CN218687283U - Drainage water filtering device for miscellaneous compressed air storage tank - Google Patents

Abstract

The utility model discloses a miscellaneous compressed air storage tank dredging and filtering device, which comprises an air storage tank, an air inlet pipe, an air outlet pipe, a spare pipe and a closed flange plate. The inner surface of the lower end of the air storage tank is connected with an inlet Air pipe, the bottom surface of the lower end of the gas storage tank is fixedly connected with a spare pipe, and the lower end of the spare pipe is fixed with a closed flange plate through bolts, and the lower end of the seepage pipe is fixedly connected with a water outlet pipe through bolts, and the water outlet pipe The lower surface of the sliding tube is penetrated, and the upper end of the sliding tube is fixedly provided with a cleaning block, and the side surface of the cleaning block is uniformly provided with air injection ports. The water drainage filter device for compressed air storage tanks for miscellaneous uses seals the pipeline at the bottom of the original compressed air storage tank for miscellaneous uses by sealing the flange plate and installs a filter box to filter and discharge condensed water through the filter box. The original drain pipe was made into a spare pipe for drainage in case of emergency.

Description

A miscellaneous compressed air storage tank discharge water filter device

technical field

The utility model relates to the technical field of thermal power plants, in particular to a miscellaneous compressed air storage tank discharge water filter device.

Background technique

The miscellaneous compressed air system of a thermal power plant is an important system to maintain the normal operation of thermal power generation. The fly ash produced in the thermal power generation process needs to be transported with miscellaneous compressed air, the purging of various pipelines, the cooling of various monitors and Various compressed air needs to be used for purging of various equipment, etc. In order to maintain the stability and reliability of the compressed air, the thermal power plant has several compressed air storage tanks for buffering and storage;

The miscellaneous compressed air storage tank consists of at least the tank body, the air inlet and outlet pipelines, the bottom water discharge pipeline, and valves. The condensed water level of the gas storage tank is too high, resulting in compressed air with water, causing fly ash to harden when it encounters water, and various monitors are damaged by water, and various equipment are damaged by water during the purging process;

However, in the prior art, the inner wall of the miscellaneous compressed air storage tank is in a high humidity and high oxygen environment, and the inner wall of the miscellaneous compressed air storage tank is severely oxidized and corroded, and the peeled off scale falls to the bottom of the compressed air storage tank. Blocking the bottom drain pipe and valve makes it difficult to discharge condensed water. Although a conventional filter device is installed in front of the bottom drain pipe and valve, the conventional filter device has the following defects:

1. The small flow area of the conventional filter screen makes the volume of condensed water flowing in from the filter screen limited, and the condensed water cannot be discharged in time, which will easily cause the water level of the condensed water to rise and make the miscellaneous compressed air carry water

2. The filter screen is easily blocked by oxide scales, and the condensed water cannot be discharged. The condensed water flows in the filter screen with little deflection, and the oxide scales carried block the inlet section of the filter screen, which makes the filtration efficiency drop rapidly.

Utility model content

The purpose of the utility model is to provide a miscellaneous compressed air storage tank draining water filter device to solve the problem that the filter screen has a small flow area and the filter screen is easily blocked by scale in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a miscellaneous compressed air storage tank discharge water filter device, including a storage tank, an air inlet pipe, an air outlet pipe, a spare pipe and a closed flange plate, the air storage tank The inner side surface of the lower end of the tank is connected with an air inlet pipe, and the upper side surface of the gas storage tank is connected with an air outlet pipe, and the bottom surface of the lower end of the gas storage tank is fixedly connected with a spare pipe, and the lower end of the spare pipe is fixed with a sealing method by bolts. Blue plate, the bottom surface of the lower end of the gas storage tank is connected with a filter box, the side surface of the filter box is provided with an inspection port, and the inspection port is closed and installed by an end cover, the lower end of the filter box is penetrated by a water seepage pipe, And the side surface of the seepage pipe is fixedly installed with a baffle plate, the outer surface of the seepage pipe is wound with steel wool, and steel wool balls are filled between the steel wool and the inner wall of the filter box, and the lower end of the seepage pipe is fixedly connected with a The water outlet pipe, the lower surface of the water outlet pipe is penetrated by the sliding pipe, the upper end of the sliding pipe is fixedly provided with a cleaning block, and the side surface of the cleaning block is uniformly provided with air injection ports.

Preferably, the filter box has a columnar design, and the upper end of the filter box runs through the bottom surface of the gas storage tank.

By adopting the above technical solution, the filter box can drain the condensed water at the bottom of the gas storage tank.

Preferably, the outer surface of one end of the seepage pipe located inside the filter box is uniformly provided with holes, and the upper end of the seepage pipe is designed to be closed.

By adopting the above technical solution, the seepage pipe can discharge the filtered condensed water through the holes on the outer surface.

Preferably, the baffles are obliquely designed, and the inclination directions of two adjacent baffles are opposite, and one end of the baffles is attached to the inner surface of the filter box.

By adopting the above technical solution, the baffle plate can guide the condensed water to the bottom of the filter box for filtering.

Preferably, the sliding pipe and the water outlet pipe are connected by sliding friction, and the end of the sliding pipe outside the water outlet pipe is connected to an external air source through a hose.

By adopting the above technical solution, the sliding pipe can slide relative to the water outlet pipe without water leakage.

Preferably, both the sliding pipe and the cleaning block are hollow, and the upper end of the cleaning block is embedded in the upper end of the seepage pipe, and the air jets on the side surface of the cleaning block are in contact with the inner surface of the upper end of the seepage pipe.

Adopting the above technical scheme, the gas will not be ejected outward when the cleaning block is located inside the upper end of the seepage pipe.

Compared with the prior art, the beneficial effect of the utility model is: the miscellaneous compressed air storage tank discharge water filter device:

1. By sealing the flange plate to seal the pipeline at the bottom of the original miscellaneous compressed air storage tank and installing a filter box, the filter box is used to filter and discharge the condensed water, and the original drain pipe is made into a spare pipe for emergencies Drain down;

2. By setting steel wool and steel balls inside the filter box to filter the oxide skin, and cooperating with the baffle to guide the condensed water, the condensed water can fully contact the steel wool and steel balls inside the filter box Filtration, while ensuring the drainage speed of the seepage pipe, the use of steel wool and steel balls for easy replacement and cleaning reduces the difficulty of maintenance of the filter box;

3. By sliding down the slide pipe when the seepage pipe is blocked, the air holes on the surface of the seepage pipe are blown back to clean the air holes on the surface of the seepage pipe with the gas ejected from the air jet, so as to achieve the purpose of quickly dredging the seepage pipe, so that the filter box can be restored quickly normal work.

Description of drawings

Fig. 1 is a schematic view of the overall front view structure of the utility model;

Fig. 2 is the structural schematic diagram of front section of filter box of the present utility model;

Fig. 3 is a schematic diagram of the front section structure of the connection between the water outlet pipe and the sliding pipe of the utility model;

Fig. 4 is a schematic diagram of the enlarged structure at A in Fig. 3 of the present utility model.

In the figure: 1. Gas storage tank; 2. Inlet pipe; 3. Outlet pipe; 4. Backup pipe; 5. Closed flange plate; 6. Filter box; 7. Inspection port; 8. Seepage pipe; 9. Baffle board; 10, steel wool; 11, steel ball; 12, outlet pipe; 13, sliding pipe; 14, cleaning block; 15, air jet.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, the utility model provides a technical solution: a miscellaneous compressed air storage tank discharge water filter device, including a storage tank 1, an air inlet pipe 2, an air outlet pipe 3, a spare pipe 4, and a sealing method Blue plate 5, filter box 6, inspection port 7, water seepage pipe 8, baffle plate 9, steel wool 10, steel wool ball 11, water outlet pipe 12, slide pipe 13, cleaning block 14, air injection port 15, air storage tank 1 The inner surface of the lower end is connected with an air intake pipe 2, and the upper side surface of the air storage tank 1 is connected with an air outlet pipe 3, and the bottom surface of the lower end of the air storage tank 1 is fixedly connected with a spare pipe 4, and the lower end of the spare pipe 4 is fixed by a bolt. The flange plate 5 is closed, the bottom surface of the lower end of the gas storage tank 1 is connected with a filter box 6, the side surface of the filter box 6 is provided with an inspection port 7, and the inspection port 7 is sealed and installed by an end cover, the filter box 6 is a columnar design, and The upper end of the filter box 6 runs through the bottom surface of the gas storage tank 1, the outer surface of one end of the seepage pipe 8 located inside the filter box 6 is evenly opened with holes, and the upper end of the seepage pipe 8 is designed to be closed, and the upper end of the seepage pipe 8 is closed. The condensed water can only flow into the seepage pipe 8 from the hole on the side surface of the seepage pipe 8 to be discharged after being filtered.

The lower end of the filter box 6 is penetrated by the seepage pipe 8, and the side surface of the seepage pipe 8 is fixed with a baffle plate 9, and the outer surface of the seepage pipe 8 is wrapped with steel wool 10, and the steel wool 10 and the inner wall of the filter box 6 Filled with steel balls 11, the baffles 9 are obliquely designed, and the inclination directions of the two adjacent baffles 9 are opposite, and one end of the baffles 9 is attached to the inner surface of the filter box 6, and the The flow plate 9 enables the condensed water to flow downward inside the filter box 6, ensuring that the steel wool 10 and steel wool balls 11 below can also fully contact the condensed water for filtering.

The lower end of the seepage pipe 8 is fixedly connected with a water outlet pipe 12 by bolts, the lower surface of the water outlet pipe 12 is penetrated by the slide pipe 13, and the upper end of the slide pipe 13 is fixedly provided with a cleaning block 14, and the side surface of the cleaning block 14 is evenly provided with air jets. The port 15, the sliding pipe 13 and the water outlet pipe 12 are connected by sliding friction, and the end of the sliding pipe 13 located outside the water outlet pipe 12 is connected with the external air source through a hose, the sliding pipe 13 and the cleaning block 14 are both hollow design, and the The upper end of the block 14 is embedded in the upper end of the seepage pipe 8, and the air jet port 15 on the side surface of the cleaning block 14 is attached to the inner surface of the upper end of the water seepage pipe 8, so that the slide pipe 13 can slide through the cleaning block 14 and the air jet port 15 to The outer jet cleans up the seepage pipe 8 .

Working principle: When using this miscellaneous compressed air storage tank drainage water filter device, the gas first enters the air storage tank 1 through the intake pipe 2, and the condensed water generated by the compressed air is deposited inside the gas storage tank 1, and the compressed air is used When it is discharged through the air outlet pipe 3, the condensed water leaks downward to the filter box 6. You estimate that the condensed water passes through the steel wool 10 and steel wool balls 11 of various heights under the guidance of the baffle plate 9 to filter, and finally the condensed water passes through The holes on the surface of the seepage pipe 8 flow into the seepage pipe 8 and are discharged through the outlet pipe 12. When the steel wool 10 and the steel wool ball 11 are blocked by impurities, after the pressure of the gas storage tank 1 is released, the end cover of the inspection port 7 is opened, and the steel wool 10 and the steel ball 11 are hooked out by tools for cleaning or replacement, then slide the slide tube 13 downwards, the slide tube 13 drives the cleaning block 14 and the air injection port 15 to slide down, and the air injection port 15 sprays the external air that passes into the slide tube 13 Clean the holes on the side surface of the seepage pipe 8 from the inside, then reinsert the steel wool 10 and the steel wool ball 11 into the filter box 6, close the end cover of the inspection port 7, and complete the maintenance and cleaning of the filter box 6. When the filter box 6 When the damage cannot be replaced and repaired in time, open the closed flange plate 5 and add a connecting pipe with a filter to the spare pipe 4, so as to restore the normal operation of the gas storage tank 1 in an emergency and increase the overall practicability .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a miscellaneous compressed air gas holder drainage water filter equipment, includes gas holder (1), intake pipe (2), outlet duct (3), stand-by pipe (4) and closed flange board (5), its characterized in that: the air storage tank is characterized in that an air inlet pipe (2) is connected to the inner side surface of the lower end of the air storage tank (1), an air outlet pipe (3) is connected to the side surface of the upper end of the air storage tank (1), a spare pipe (4) is fixedly connected to the bottom surface of the lower end of the spare pipe (4), a sealing flange plate (5) is fixedly mounted at the lower end of the spare pipe through bolts, a filter box (6) is connected to the bottom surface of the lower end of the air storage tank (1), an access hole (7) is formed in the side surface of the filter box (6), the access hole (7) is mounted in an end cover sealing mode, the lower end of the filter box (6) is penetrated through by a water seepage pipe (8), a baffle plate (9) is fixedly mounted at the side surface of the water seepage pipe (8), a steel wool (10) is wound on the outer surface of the water seepage pipe (8), a steel wool (11) is filled between the inner wall of the steel wool (10) and the inner wall of the filter box (6), a lower end of the water seepage pipe (8) is fixedly connected to a water outlet pipe (12) through bolts, the lower surface of the water outlet pipe (12) is penetrated through a sliding pipe (13), a cleaning block (14) is fixedly arranged at the upper end of the sliding pipe (13), and an air injection hole (15) is uniformly formed in the side surface.

2. The device as claimed in claim 1, wherein the filter unit comprises: the filter box (6) is designed to be columnar, and the upper end of the filter box (6) penetrates through the bottom surface of the air storage tank (1).

3. The device as claimed in claim 1, wherein the filter unit comprises: the outer surface of one end of the water seepage pipe (8) positioned in the filter box (6) is uniformly provided with holes, and the upper end of the water seepage pipe (8) is designed to be closed.

4. The device as claimed in claim 1, wherein the filter unit comprises: the baffle plates (9) are designed in an inclined mode, the inclined directions of the adjacent 2 baffle plates (9) are opposite, and one end of each baffle plate (9) is attached to the inner side surface of the corresponding filter box (6).

5. The device as claimed in claim 1, wherein the filter unit comprises: the sliding pipe (13) is connected with the water outlet pipe (12) in a sliding friction mode, and one end, located outside the water outlet pipe (12), of the sliding pipe (13) is connected with an external air source through a hose.

6. The device as claimed in claim 1, wherein the filter unit comprises: slide pipe (13) and clearance piece (14) are the cavity design, and the embedded installation in infiltration pipe (8) upper end of the upper end of clearance piece (14) to the jet-propelled mouth (15) of clearance piece (14) side surface laminates with the upper end inside surface of infiltration pipe (8) mutually.

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