CN120119829B - Storage tank construction system and method - Google Patents

Abstract

The invention discloses a storage tank construction system which comprises a jacking system, a welding system and a canopy system, wherein the canopy system comprises a first canopy device, and the first canopy device comprises a first upright post, a first canopy beam, first rain cloth, a first telescopic device and a first adsorption device. The storage tank construction system can drive the first adsorption device to move through the first telescopic device and be fixed with the storage tank, and the first canopy device surrounds the storage tank and forms a relatively airtight space, so that the welding system can perform welding operation in a windless and rainless environment. Moreover, the first telescopic device can control the first adsorption device to move and separate from the storage tank, so that the jacking operation of the jacking system on the side wall of the storage tank is not hindered.

Description

Storage tank construction system and method

Technical Field

The present invention relates to the technical field of storage tank construction, and in particular to a storage tank construction system and method.

Background Art

With the rapid development of industries such as grain reserves and petrochemicals, the demand for the construction of large vertical storage tanks is growing. Traditional construction includes the forward method or the reverse method. The forward method requires the construction of a large number of aerial work platforms, which has problems such as long construction period, high safety risks, and high temporary support costs. The existing reverse construction technology has been widely used in the field of storage tank construction due to its advantages such as high safety and high construction efficiency.

However, in rainy season or windy weather, the welding quality will be greatly affected, and the construction has to be stopped to ensure the welding quality. Therefore, it is urgent to develop a tank construction system and method that can adapt to rainy day construction.

Summary of the invention

The invention provides a storage tank construction system and method, which can realize continuous construction in rainy or windy weather while ensuring welding quality.

In order to solve the above technical problems, the present invention includes the following technical solutions:

A storage tank construction system, comprising a jacking system and a welding system, and also comprising a canopy system;

The canopy system includes a first canopy device, which includes a first column, a first canopy beam, a first rain cloth, a first telescopic device and a first adsorption device;

The first column is arranged vertically, one end of the first canopy beam is connected to the first column, and the other end is provided with a first telescopic device, and the first telescopic device is connected to the first adsorption device;

A plurality of first columns are arranged at intervals around the storage tank, the first columns and the first awning beams form the skeleton of the first awning, and the first awning covers the first awning beams and the first columns;

The first telescopic device can drive the first adsorption device to move and be fixedly connected to the side wall of the storage tank, so that the first tarp encloses a relatively closed space, and can also move the first adsorption device and separate it from the side wall of the storage tank.

Furthermore, the canopy system further comprises a second canopy device, which comprises a second column, a second canopy beam, a second awning sheet, a second telescopic device and a second adsorption device;

The first column is a hollow tube, the second column is vertically arranged and the bottom is inserted into the first column, and a lifting drive mechanism is arranged between the first column and the second column, and the lifting drive mechanism can move the second canopy device up and down;

The connection method between the structures of the second canopy device is the same as the connection method between the corresponding structures of the first canopy device.

Furthermore, the storage tank construction system also includes a humidity control system, which is used to detect the humidity in the air; when the detected air humidity exceeds a predetermined humidity, the humidity control system adjusts the air humidity to not exceed the predetermined humidity.

Further, the automatic welding system includes a welding robot arm, a welding head and a welding slag catching bucket;

A welding slag fire hopper is fixed at the front end of the welding robot arm, and a compression spring is arranged between the side wall of the welding slag fire hopper and the robot arm, and the welding slag fire hopper and the side wall of the storage tank are pressed tightly by the pressure of the compression spring.

Furthermore, the first canopy device further comprises a first slide rail, a first diagonal brace and a first driving device; the first slide rail is arranged along the length direction of the first column; one end of the first diagonal brace can slide along the first slide rail, and the other end is hinged to the first canopy beam; the first driving device can drive one end of the first diagonal brace to slide along the first slide rail, so that the first canopy beam is unfolded or retracted;

The second awning device also includes a second slide rail, a second diagonal brace and a second driving device; the second slide rail is arranged along the length direction of the second column; the two ends of the second diagonal brace can slide along the second slide rail, and the other two ends are hinged to the second awning beam; the second driving device can drive the two ends of the second diagonal brace to slide along the second slide rail, so that the second awning beam can be unfolded or folded.

Furthermore, a water-swellable waterstop strip is provided below the first adsorption device. After the first adsorption device is fixedly connected to the side wall of the storage tank, the water-swellable waterstop strip is closely attached to the side wall of the storage tank.

Accordingly, the present invention also provides a storage tank construction method, using the storage tank construction system, the storage tank construction method comprises:

The storage tank is constructed by the inverted installation method. The first circle of the tank side wall is welded, and then the tank roof is welded. The first canopy device is installed around the storage tank, the welding system is installed in the first canopy device, and the jacking system is set up in the storage tank.

When it rains or the humidity content in the air exceeds a preset value or the wind force exceeds a preset value, the first telescopic device drives the first adsorption device to move and is fixedly connected to the side wall of the storage tank, so that the first rain cloth encloses a relatively closed space;

The welding system performs welding operations in the space enclosed by the first tarp.

Furthermore, the canopy system further includes a second canopy device, which includes a second column, a second canopy beam, a second tarp, a second telescopic device and a second adsorption device; the first column is a hollow tube, the second column is vertically arranged and the bottom is inserted into the first column, and a lifting drive mechanism is arranged between the first column and the second column, and the lifting drive mechanism can move the second canopy device up and down; the connection method between the various structures of the second canopy device is the same as the connection method between the corresponding structures of the first canopy device;

Before using the jacking system to lift the storage tank upward, the first adsorption device of the first canopy device is separated from the side wall of the storage tank, and the second adsorption device of the second canopy device is fixedly connected to the side wall of the storage tank. The second column is moved upward by the lifting drive mechanism, and the moving speed is the same as the lifting speed of the jacking system. The second tarp forms a relatively closed space around the storage tank.

Furthermore, the first canopy device further comprises a first slide rail, a first diagonal brace and a first driving device; the first slide rail is arranged along the length direction of the first column; one end of the first diagonal brace can slide along the first slide rail, and the other end is hinged to the first canopy beam; the first driving device can drive one end of the first diagonal brace to slide along the first slide rail, so that the first canopy beam is unfolded or retracted;

The second canopy device further comprises a second slide rail, a second diagonal brace and a second driving device; the second slide rail is arranged along the length direction of the second column; two ends of the second diagonal brace can slide along the second slide rail, and the other two ends are hinged to the second canopy beam; the second driving device can drive the two ends of the second diagonal brace to slide along the second slide rail, so that the second canopy beam is unfolded or retracted;

The tank construction system also includes a weather monitoring system. When strong winds or rain are detected, the tank construction system automatically starts the work process for windy and rainy weather. When it is detected that there is no strong wind or rain, the work process for non-windy and rainy weather is automatically started.

The working process in windy and rainy weather is as follows: the second driving device drives the second diagonal brace to slide along the second slide rail to unfold the second canopy beam, and the first driving device drives the first diagonal brace to slide along the first slide rail to unfold the first canopy beam; in welding working condition, the first adsorption device is kept moving and fixedly connected to the side wall of the storage tank; in jacking working condition, the second adsorption device is kept moving and fixedly connected to the side wall of the storage tank, the first adsorption device is moved and separated from the side wall of the storage tank, and the lifting drive mechanism moves the second canopy device, and the moving speed is the same as the lifting speed of the jacking system; after jacking is completed, the first adsorption device is moved and fixedly connected to the side wall of the storage tank, the second adsorption device is moved and separated from the side wall of the storage tank, and the lifting drive mechanism moves the second canopy device downward to the initial height;

Among them, the working process in non-windy and rainy weather is: the first driving device drives the first diagonal brace to slide along the first slide rail to shrink the first canopy beam, and the second driving device drives the second diagonal brace to slide along the second slide rail to shrink the second canopy beam. The welding operation of the welding system is carried out in the open air.

Furthermore, the storage tank construction system also includes a humidity control system, which can detect the humidity in the air;

When the humidity in the detected air exceeds a predetermined humidity, the humidity regulating system regulates the air humidity to not exceed the predetermined humidity.

Due to the adoption of the above technical scheme, the present invention has the following advantages and positive effects compared with the prior art: the tank construction system of the present invention can drive the first adsorption device to move and fix it with the tank through the first telescopic device, and the first canopy device is surrounded by the tank to form a relatively closed space, so that the welding system can perform welding operations in a windless and rainless environment. Moreover, the first adsorption device can be controlled to move and separate from the tank through the first telescopic device, without hindering the lifting operation of the jacking system on the side wall of the tank. Furthermore, when the tank construction system includes a second canopy device, when the welding system is in welding condition, the first adsorption device of the first canopy device is kept fixed to the tank, when the jacking system is in lifting condition, the first adsorption device of the first canopy device is separated from the tank, and the second adsorption device of the second canopy device is fixed to the tank, and the lifting drive mechanism keeps the rising speed of the second column consistent with the lifting speed of the jacking system on the tank. Therefore, during the entire construction process, at least one canopy device is formed around the tank to form a closed space, so that the welding construction is completely unaffected by wind and rain, and the construction speed of the tank is greatly improved. In addition, when the tank construction system includes a humidity control system, it can adjust the air humidity in the construction environment so that the air humidity meets the requirements of welding.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a top view of a storage tank construction system according to an embodiment of the present invention;

FIG2 is a longitudinal cross-sectional view of a storage tank construction system according to an embodiment of the present invention;

3 is a schematic diagram of a first canopy, a welding system, and a humidity control system in one embodiment of the present invention;

FIG4 is an enlarged view of area A in FIG3 ;

FIG5 is a schematic diagram of a first rain shelter, a second rain shelter, a welding system, and a humidity control system in one embodiment of the present invention.

The numbers in the figure are as follows:

1-tank side wall; 2-tank roof;

10- Lifting system;

20-welding system; 21-guide rail; 22-welding base; 23-welding machine arm; 24-welding head; 25-welding slag receiving bucket; 26-compression spring;

30-canopy system; 31-first canopy device; 311-first column; 312-first canopy beam; 313-first tarp; 314-first telescopic device; 315-first adsorption device; 316-first slide rail; 317-first diagonal brace; 318-first drive device; 319-water stop strip; 32-second canopy device; 321-second column; 322-second canopy beam; 323-second tarp; 324-second telescopic device; 325-second adsorption device; 326-second slide rail; 327-second diagonal brace; 328-second drive device; 329-lifting drive mechanism;

40-Humidity control system.

DETAILED DESCRIPTION

The following is a further detailed description of a storage tank construction system and method provided by the present invention in conjunction with the accompanying drawings and specific embodiments. The advantages and features of the present invention will become clearer in conjunction with the following description. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

Embodiment 1

As shown in FIG. 1 and FIG. 2 , the storage tank construction system provided in this embodiment includes a jacking system 10 , a welding system 20 and a canopy system 30 , which are used to solve the problem that the welding quality is affected in rainy or windy weather.

The jacking system 10 can be implemented by existing technology. For example, in the construction of the tank inverted installation method, the jacking system 10 mainly includes: an expansion ring, a clamping plate and a hydraulic lifting device. The hydraulic lifting device mainly includes a pump station, a hydraulic cylinder, a jacking rod, a jacking chain, etc. In the construction of the tank inverted installation method, the tank bottom plate is welded first, and then the tank side wall 1 is constructed. The tank side wall 1 includes a plurality of wall panels, and each wall panel has a plurality of arc plates welded in sequence to form a ring. After the first wall panel is welded, the tank roof 2 is welded, and then the first wall panel of the tank side wall 1 is lifted together with the tank roof 2 by the jacking system 10, and then the plurality of arc steel plates of the second wall panel of the tank side wall 1 are welded to the arc steel plates of the first wall panel, and the adjacent arc steel plates of the second wall panel are welded together.

As shown in Figures 1 to 3, the welding system 20 mainly includes a guide rail 21, a welding base 22, a welding robot arm 23 and a welding head 24. The guide rail 21 is arranged in a circular ring around the storage tank, and the welding base 22 can move along the guide rail 21. One end of the welding robot arm 23 is fixedly connected to the welding base 22, and the other end is connected to the welding head 24, and the welding head 24 is used for welding. Preferably, the welding head 24 can automatically identify the splicing seam, and the extension of the robot arm and the welding construction of the welding head are controlled by setting a controller. The welding head 24 automatically identifies the splicing seam, which can be realized based on image recognition technology or based on machine deep learning technology. Further, a welding slag catching bucket 25 is provided at the front end of the welding robot arm, and a compression spring 26 is connected to the side of the welding slag catching bucket 25. The pressure of the compression spring 26 is used to tighten the welding slag catching bucket and the side wall of the storage tank to catch the welding slag splashed and dropped during the welding process.

As shown in FIG. 1 to FIG. 4 , the canopy system 30 includes a first canopy device 31, which includes a first column 311, a first canopy beam 312, a first tarpaulin 313, a first telescopic device 314, and a first adsorption device 315. The first column 311 is vertically arranged, one end of the first canopy beam 312 is connected to the first column 311, and the other end is provided with the first telescopic device 314, and the first telescopic device 314 is connected to the first adsorption device 315. A plurality of first columns 311 are arranged at intervals around the storage tank, and the first columns 311 and the first canopy beam 312 form the skeleton of the first tarpaulin, and the first tarpaulin 313 covers the first canopy beam 312 and the first column 311. The first telescopic device 314 can drive the first adsorption device 315 to move and be fixedly connected to the side wall of the storage tank, and can also make the first adsorption device 315 move and separate from the side wall of the storage tank. As an example, the first adsorption device 315 can be a de-energized electromagnet, which can be adsorbed on the side wall of the storage tank when the circuit is powered off, and when the circuit is powered on, the electromagnet is demagnetized, so that the first adsorption device 315 can be separated from the side wall of the storage tank by the first telescopic device 314. The first adsorption device 315 can also be a suction cup, which is pushed by the first telescopic device 314 to be tightly attached to the side wall of the storage tank, and is pulled by the first telescopic device 314 to separate the suction cup from the side wall of the storage tank. As an example but not a limitation, in combination with Figures 3 and 4, the first telescopic device 314 includes a sleeve, a telescopic rod and a spring, the first adsorption device 315 adopts a de-energized electromagnet, one end of the telescopic rod is fixedly connected to the electromagnet, and the other end of the telescopic rod is inserted into the sleeve, the sleeve is fixedly connected to the first canopy beam 312, the spring is sleeved on the sleeve, and the two ends of the spring are respectively fixed to the first canopy beam 312 and the electromagnet, the suction force between the electromagnet and the side wall of the tank can stretch the spring, the spring stores energy due to elastic deformation, the electromagnet moves toward the side wall 1 of the tank and is adsorbed on the side wall 1 of the tank, after the electromagnet is demagnetized, under the pulling force of the spring, the electromagnet moves a distance toward the first canopy beam 312, so that the electromagnet is separated from the side wall 1 of the tank.

The storage tank construction system provided in this embodiment can drive the first adsorption device 315 to move and fix it to the storage tank through the first telescopic device 314, and the first canopy device 31 surrounds the storage tank to form a relatively closed space, so that the welding system 20 can perform welding operations in a windless and rainless environment, thereby ensuring the quality of the weld. In addition, the first adsorption device 315 can be controlled to move and separate from the storage tank through the first telescopic device 314, without hindering the lifting operation of the lifting system 10 on the storage tank side wall 1.

In a specific embodiment, the tank construction system further includes a humidity adjustment system 40. When the first adsorption device 315 of the first canopy device 31 is adsorbed on the side wall of the tank, the humidity adjustment system 40 is used to adjust the humidity so that the air humidity in the space enclosed by the first canopy device meets the tank welding requirements.

In a specific embodiment, the first canopy device 31 further includes a first slide rail 316, a first diagonal brace 317 and a first driving device 318. The first slide rail 316 is arranged along the length direction of the first column 311; one end of the first diagonal brace 317 can slide along the first slide rail 316, and the other end is hinged to the first canopy beam 312; the first driving device 318 can drive one end of the first diagonal brace 317 to slide along the first slide rail 316, so that the first canopy beam 312 can be unfolded or retracted. When it is sunny, the first canopy beam 312 can be retracted, and the welding operation can be carried out in the open air; when it rains, the first canopy beam 312 can be unfolded, and the welding operation can be carried out in a relatively closed space.

In a specific embodiment, during the process of the jacking system 10 lifting the storage tank, the first adsorption device 315 of the first canopy device 31 is separated from the storage tank. Therefore, during the jacking process, rainwater may enter the first canopy, affecting the air humidity in the first canopy and increasing the workload of the humidity control system 40. Rainwater may also flow down along the side wall 1 of the storage tank to the end face to be welded. Before welding, it is necessary to clean up the rainwater, which reduces the construction speed. Therefore, it is necessary to solve the sealing problem of the canopy system during the jacking process. Specifically, in combination with Figures 1 to 5, the canopy system also includes a second canopy device 32, and the second canopy device 32 includes a second column 321, a second canopy beam 322, a second tarp 323, a second telescopic device 324 and a second adsorption device 325. The first column 311 is a hollow tube, the second column 321 is vertically arranged and the bottom is inserted into the first column 311, and a lifting drive mechanism 329 is arranged between the first column 311 and the second column 321, and the lifting drive mechanism 329 can lift the second canopy device 32 upward. The connection relationship between the various components of the second canopy device 32 can refer to the first canopy device 31. During the process of the jacking system 10 lifting the storage tank, the first adsorption device 315 of the first canopy device 31 is separated from the side wall of the storage tank, the second adsorption device 325 of the second canopy device 32 is fixed to the side wall of the storage tank, and the lifting drive mechanism 329 makes the rising speed of the second column 321 consistent with the lifting speed of the storage tank by the jacking system 10, and keeps the second adsorption device 325 stably connected to the side wall of the storage tank during the jacking process of the storage tank; after the jacking system 10 is lifted into place, the first adsorption device 315 of the first canopy device 31 is fixed to the side wall of the storage tank, the second adsorption device 325 of the second canopy device 32 is separated from the side wall of the storage tank, and the lifting drive mechanism 329 makes the second column 321 descend to the initial height. The first canopy device 31 and the second canopy device 32 are alternately fixed to the side wall of the tank, so that a relatively closed space can be maintained during the welding and jacking conditions of the tank. Rainwater will not flow to the bottom end surface to be welded, and the effect of rainwater on the humidity of the closed space is limited. It can also reduce the workload of the humidity control system 40, making it easier to control the air humidity.

In a specific embodiment, the second canopy device 32 further includes a second slide rail 326, a second diagonal brace 327 and a second driving device 328. The second slide rail 326 is arranged along the length direction of the second column 321; the two ends of the second diagonal brace 327 can slide along the second slide rail 326, and the other two ends are hinged to the second canopy beam 322; the second driving device 328 can drive the two ends of the second diagonal brace 327 to slide along the second slide rail 326, so that the second canopy beam 322 can be unfolded or retracted. When it is sunny, the first canopy beam 312 and the second canopy beam 322 can be retracted, and the welding operation can be carried out in the open air; when it rains, the first canopy beam 312 and the second canopy beam 322 can be unfolded, and the welding operation can be carried out in a relatively closed space.

In a specific embodiment, the layout of the tank bottom plate, tank side wall, and tank roof is optimized by an optimization algorithm. For example, a genetic algorithm can be used to solve the optimal layout plan. The algorithm principle is that when arranging the plates, the longitudinal welds of each circle of wall plates are required to be staggered circle by circle in the same direction. The longitudinal welds of each circle of wall plates should be staggered circle by circle in the same direction to ensure that the welding stress is minimized and the welding length is short.

In a specific embodiment, the welding system uses a programmed welding robot system to achieve precise control of the weld trajectory and heat input through a pre-optimized welding sequence parameter database.

In a specific embodiment, a water-swelling waterstop strip 319 is also provided below the first adsorption device 315, and the first telescopic device 314 can drive the first adsorption device 315 to move and be fixedly connected to the side wall of the storage tank, and the water-swelling waterstop strip 319 is also close to the side wall of the storage tank. The water-swelling waterstop strip 319 will expand after encountering water, filling the gap tightly, thereby playing a role in strengthening water stopping. Similarly, a water-swelling waterstop strip 319 can also be provided below the second adsorption device 325.

In a specific embodiment, water collecting grooves may be provided at the ends of the first canopy beam 312 and the second canopy beam 322 to collect and discharge rainwater on the first awning 313 and the second awning 323 respectively.

Embodiment 2

This embodiment also provides a storage tank construction method, using the storage tank construction system, the storage tank construction method includes:

Step 1: The storage tank is constructed by the inverted installation method. The first circle of wall panels of the storage tank side wall 1 is welded, and then the storage tank roof 2 is welded. The first canopy device 31 is installed around the storage tank, the welding system 20 is installed in the first canopy device 31, and the jacking system 10 is set on the inner side of the storage tank side wall.

The bottom plate of the tank is constructed first and non-destructive testing is performed; the arc-shaped steel plates of each circle of the side wall 1 of the tank can be pre-placed on the bottom plate of the tank, and hoisting equipment is used to lift, transport and position them. Then the welding system 20 is used to weld the first circle of wall plates. Then the hoisting equipment is used to lift, transport and position the top plate of the tank, and the top plate of the tank is welded to form the tank roof. Then the jacking system 10 is used to lift the first circle of wall plates and the tank roof of the side wall 1 of the tank. After the jacking is in place, the arc-shaped steel plates of the second circle of wall plates are hoisted. The longitudinal welds of the arc-shaped steel plates of each circle of wall plates should be staggered in the same direction circle by circle. After the second circle of arc-shaped steel plates are welded, non-destructive testing is performed. The welding system 20 and the jacking system 10 work alternately to complete the construction of the tank. The maximum working stroke of the jacking system 10 needs to be greater than or equal to the maximum height of the arc-shaped steel plate. As an example, the maximum working stroke of the jacking system 10 is 3.5m, and the height of the highest arc-shaped steel plate is 3m.

Step 2: When it rains or the humidity content in the air exceeds a preset value or the wind force exceeds a preset value, the first telescopic device 314 drives the first adsorption device 315 to move and be fixedly connected to the side wall of the storage tank, so that the first tarp 313 encloses a relatively closed space.

Step 3: The welding system 20 performs welding operations in the space enclosed by the first awning 313. The awning system has the function of preventing wind and rain, and can ensure that the tank construction will not be stopped in windy and rainy weather.

In a specific embodiment, the canopy system further includes a second canopy device 32, which includes a second column 321, a second canopy beam 322, a second tarp 323, a second telescopic device 324, and a second adsorption device 325; the first column 311 is a hollow tube, the second column 321 is vertically arranged and the bottom is inserted into the first column 311, and a lifting drive mechanism 329 is arranged between the first column 311 and the second column 321, and the lifting drive mechanism 329 can move the second canopy device 32 up and down; the connection method between the various structures of the second canopy device 32 refers to the connection method between the corresponding structures of the first canopy device 31;

Before using the jacking system 10 to jack up the storage tank, the first adsorption device 315 of the first canopy device 31 is separated from the side wall of the storage tank, and the second adsorption device 325 of the second canopy device 32 is fixedly connected to the side wall of the storage tank. The second column 321 is moved upward by the lifting drive mechanism 329, and the moving speed is the same as the lifting speed of the jacking system 10. The second tarp 323 forms a relatively closed space around the storage tank.

In a specific embodiment, the first canopy device 31 further includes a first slide rail 316, a first diagonal brace 317 and a first driving device 318; the first slide rail 316 is arranged along the length direction of the first column 311; one end of the first diagonal brace 317 can slide along the first slide rail 316, and the other end is hinged to the first canopy beam 312; the first driving device 318 can drive one end of the first diagonal brace 317 to slide along the first slide rail 316, so that the first canopy beam 312 is unfolded or retracted. The second canopy device 32 further includes a second slide rail 326, a second diagonal brace 327 and a second driving device 328; the second slide rail 326 is arranged along the length direction of the second column 321; two ends of the second diagonal brace 327 can slide along the second slide rail 326, and the other two ends are hinged to the second canopy beam 322; the second driving device 328 can drive two ends of the second diagonal brace 327 to slide along the second slide rail 326, so that the second canopy beam 322 is unfolded or retracted.

The tank construction system also includes a weather monitoring system. When strong winds or rain are detected, the tank construction system automatically starts the work process for windy and rainy weather. When it is detected that the weather is not strong winds or rainy, it automatically starts the work process for non-windy and rainy weather.

Among them, the working process in windy and rainy weather is as follows: the second driving device 328 drives the second diagonal brace 327 to slide along the second slide rail 326, so that the second canopy beam 322 is unfolded, and the first driving device 318 drives the first diagonal brace 317 to slide along the first slide rail 316, so that the first canopy beam 312 is unfolded; in welding conditions, the first adsorption device 315 is kept moving and fixedly connected to the storage tank; in jacking conditions, the second adsorption device 325 is kept moving and fixedly connected to the storage tank, the first adsorption device 315 is moved and separated from the storage tank, and the lifting drive mechanism 329 moves the second canopy device 32, and the moving speed is the same as the jacking speed of the jacking system 10; after the jacking is completed, the first adsorption device 315 is moved and fixedly connected to the storage tank, the second adsorption device 325 is moved and separated from the storage tank, and the lifting drive mechanism 329 moves the second canopy device 32 downward to the initial height.

Among them, the working process in non-windy and rainy weather is as follows: the first driving device 318 drives the first diagonal brace 317 to slide along the first slide rail 316 to shrink the first canopy beam 312, and the second driving device 328 drives the second diagonal brace 327 to slide along the second slide rail 326 to shrink the second canopy beam 322. The welding operation of the welding system 20 is carried out in the open air.

In a specific embodiment, the storage tank construction system further includes a humidity adjustment system 40; the humidity adjustment system 40 includes a humidity detection device, and the humidity detection device is used to detect the humidity in the air; when the humidity in the detected air exceeds a predetermined humidity, the humidity adjustment system 40 adjusts the air humidity to not exceed the predetermined humidity. For example, according to welding requirements, the relative humidity in the canopy needs to be controlled below 90%. When the humidity exceeds 90%, the humidity adjustment system 40 will start to reduce the humidity to below 90%.

The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims (8)

1. A storage tank construction system, comprising a jacking system and a welding system, characterized in that it also comprises a canopy system; The canopy system includes a first canopy device, which includes a first column, a first canopy beam, a first rain cloth, a first telescopic device and a first adsorption device; The first column is arranged vertically, one end of the first canopy beam is connected to the first column, and the other end is provided with a first telescopic device, and the first telescopic device is connected to the first adsorption device; A plurality of first columns are arranged at intervals around the storage tank, the first columns and the first awning beams form the skeleton of the first awning, and the first awning covers the first awning beams and the first columns; The first telescopic device can drive the first adsorption device to move and be fixedly connected to the side wall of the storage tank, so that the first tarp encloses a relatively closed space, and can also move the first adsorption device and separate it from the side wall of the storage tank; The canopy system further comprises a second canopy device, which comprises a second upright column, a second canopy beam, a second awning sheet, a second telescopic device and a second adsorption device; The first column is a hollow tube, the second column is vertically arranged and the bottom is inserted into the first column, and a lifting drive mechanism is arranged between the first column and the second column, and the lifting drive mechanism can move the second canopy device up and down; The connection method between the structures of the second canopy device is the same as the connection method between the corresponding structures of the first canopy device. 2. The storage tank construction system as described in claim 1 is characterized in that it also includes a humidity control system, which is used to detect the humidity in the air; when the detected air humidity exceeds the predetermined humidity, the humidity control system adjusts the air humidity to not exceed the predetermined humidity. 3. The storage tank construction system according to claim 1, characterized in that: The automatic welding system includes a welding robot arm, a welding head and a welding slag hopper; A welding slag fire hopper is fixed at the front end of the welding robot arm, and a compression spring is arranged between the side wall of the welding slag fire hopper and the robot arm, and the welding slag fire hopper and the side wall of the storage tank are pressed tightly by the pressure of the compression spring. 4. The storage tank construction system according to claim 1, characterized in that: The first canopy device further includes a first slide rail, a first diagonal brace and a first driving device; the first slide rail is arranged along the length direction of the first column; one end of the first diagonal brace can slide along the first slide rail, and the other end is hinged to the first canopy beam; the first driving device can drive one end of the first diagonal brace to slide along the first slide rail, so that the first canopy beam is unfolded or retracted; The second awning device also includes a second slide rail, a second diagonal brace and a second driving device; the second slide rail is arranged along the length direction of the second column; the two ends of the second diagonal brace can slide along the second slide rail, and the other two ends are hinged to the second awning beam; the second driving device can drive the two ends of the second diagonal brace to slide along the second slide rail, so that the second awning beam can be unfolded or folded. 5. The storage tank construction system according to claim 1, characterized in that: A water-swellable waterstop strip is provided below the first adsorption device. After the first adsorption device is fixedly connected to the side wall of the storage tank, the water-swellable waterstop strip is closely attached to the side wall of the storage tank. 6. A storage tank construction method, characterized in that the storage tank construction system according to claim 1 is used, and the storage tank construction method comprises: The storage tank is constructed by the inverted installation method. The first circle of the tank side wall is welded, and then the tank roof is welded. The first canopy device is installed around the storage tank, the welding system is installed in the first canopy device, and the jacking system is set up in the storage tank. When it rains or the humidity content in the air exceeds a preset value or the wind force exceeds a preset value, the first telescopic device drives the first adsorption device to move and is fixedly connected to the side wall of the storage tank, so that the first rain cloth encloses a relatively closed space; The welding system performs welding operations in the space enclosed by the first tarpaulin; Before using the jacking system to lift the storage tank upward, the first adsorption device of the first canopy device is separated from the side wall of the storage tank, and the second adsorption device of the second canopy device is fixedly connected to the side wall of the storage tank. The second column is moved upward by the lifting drive mechanism, and the moving speed is the same as the lifting speed of the jacking system. The second tarp forms a relatively closed space around the storage tank. 7. The storage tank construction method according to claim 6, characterized in that: The first canopy device further includes a first slide rail, a first diagonal brace and a first driving device; the first slide rail is arranged along the length direction of the first column; one end of the first diagonal brace can slide along the first slide rail, and the other end is hinged to the first canopy beam; the first driving device can drive one end of the first diagonal brace to slide along the first slide rail, so that the first canopy beam is unfolded or retracted; The second canopy device further comprises a second slide rail, a second diagonal brace and a second driving device; the second slide rail is arranged along the length direction of the second column; two ends of the second diagonal brace can slide along the second slide rail, and the other two ends are hinged to the second canopy beam; the second driving device can drive the two ends of the second diagonal brace to slide along the second slide rail, so that the second canopy beam is unfolded or retracted; The tank construction system also includes a weather monitoring system. When strong winds or rain are detected, the tank construction system automatically starts the work process for windy and rainy weather. When it is detected that there is no strong wind or rain, the work process for non-windy and rainy weather is automatically started. The working process in windy and rainy weather is as follows: the second driving device drives the second diagonal brace to slide along the second slide rail to unfold the second canopy beam, and the first driving device drives the first diagonal brace to slide along the first slide rail to unfold the first canopy beam; in welding working condition, the first adsorption device is kept moving and fixedly connected to the side wall of the storage tank; in jacking working condition, the second adsorption device is kept moving and fixedly connected to the side wall of the storage tank, the first adsorption device is moved and separated from the side wall of the storage tank, and the lifting drive mechanism moves the second canopy device, and the moving speed is the same as the lifting speed of the jacking system; after jacking is completed, the first adsorption device is moved and fixedly connected to the side wall of the storage tank, the second adsorption device is moved and separated from the side wall of the storage tank, and the lifting drive mechanism moves the second canopy device downward to the initial height; Among them, the working process in non-windy and rainy weather is: the first driving device drives the first diagonal brace to slide along the first slide rail to shrink the first canopy beam, and the second driving device drives the second diagonal brace to slide along the second slide rail to shrink the second canopy beam. The welding operation of the welding system is carried out in the open air. 8. The storage tank construction method according to claim 6 or 7, characterized in that: The tank construction system also includes a humidity control system, which can detect the humidity in the air; When the humidity in the detected air exceeds a predetermined humidity, the humidity regulating system regulates the air humidity to not exceed the predetermined humidity.