CN107939256A - A kind of substation's light sound-insulation rolling screen door - Google Patents

Abstract

The invention discloses a light-weight sound-insulating rolling door of a substation, which comprises a light-weight sound-insulating curtain surface, a rolling shutter driving assembly and a top-sealing box body. The rolling shutter driving assembly includes a reel and a roller shutter machine that drives the reel to rotate. The light-weight sound-insulating curtain surface is wound on the reel, and the light-weight sound-insulating curtain surface and the roller-blind drive assembly are both arranged in the top-sealed box body. Both ends of the light-weight sound-insulating curtain surface are provided with The rolling shutter guide rail matched with the sound curtain surface, the light sound insulation curtain surface includes a rubber and plastic sound insulation core layer and a fireproof and waterproof surface layer arranged outside the rubber and plastic sound insulation core layer. The invention has the advantages of light weight, good sound insulation performance and convenient disassembly.

Description

A light-weight sound-proof rolling door for a substation

technical field

The invention relates to the technical field of environmental engineering, in particular to a light-weight sound-insulating rolling door for a substation.

Background technique

With the development of social economy and the increase of urban population density, the noise pollution of substations has attracted more and more public attention. Noise reduction facilities such as sound barriers and sound insulation enclosures are the most commonly used and most effective technical means in noise pollution control. However, currently commonly used noise reduction devices such as sound barriers, sound insulation doors, and sound-absorbing modules have problems such as long power outage installation time and inconvenience in main equipment maintenance. Therefore, it is necessary to develop a sound insulation and absorption device that is lighter and more convenient to disassemble, so as to greatly reduce the power outage operation time and reduce the impact on the maintenance and maintenance of the main equipment.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a light-weight, sound-insulating rolling door for a substation with light weight, good sound-insulation performance, and easy disassembly.

In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:

A light-weight sound-insulating rolling door for a substation, comprising a light-weight sound-insulating curtain surface, a rolling-shutter driving assembly, and a top-sealing box, the rolling-shutter driving assembly including a reel and a roller shutter machine that drives the reel to rotate, and the light-weight sound-insulating The curtain surface is wound on the reel, and the light-weight sound-insulating curtain surface and the roller-blind drive assembly are both arranged in the top-sealing box body, and the two ends of the light-weight sound-insulating curtain surface are equipped The light-weight sound-insulating curtain surface includes a rubber-plastic sound-insulating core layer and a fireproof and waterproof surface layer arranged outside the rubber-plastic sound-insulating core layer.

As a further improvement of the above technical solution:

The protruding end of the lightweight sound insulation curtain is fixedly connected to a movable bottom seal, and the movable bottom seal includes a metal structure inner layer and a rubber outer layer.

The protruding end of the lightweight sound insulation curtain is inserted into the movable bottom seal and locked by bolts.

A fixed bottom seal that can cooperate with the protruding end of the light-weight sound insulation curtain is arranged under the top sealing box, and the structure of the fixed bottom seal is the same as that of the movable bottom seal.

The light-weight sound-insulating curtain surface is provided with a reinforcing rib assembly, and the reinforcing-rib assembly includes two metal strips and fastening bolts. Fastened to a lightweight acoustic curtain.

The reinforcing rib components are arranged in multiple groups, and the multiple groups of reinforcing rib components are evenly arranged on the light-weight sound insulation curtain surface in the transverse direction.

The top-sealing box is also provided with a roller shutter controller for controlling the opening and closing of the roller shutter.

The rubber-plastic sound-insulating core layer is a flexible sound-insulating material, and the flexible sound-insulating material includes the following components in parts by weight: 25-40 parts of rubber, 15-25 parts of plastic, 5-10 parts of reinforcing fiber, heavy powder 5-15 parts of body, 10-20 parts of plasticizer, 1-2 parts of heat stabilizer, 1-2 parts of accelerator, 1-2 parts of vulcanizing agent, and 1-2 parts of coupling agent.

As for the flexible sound insulation material, preferably, the reinforcing fiber is one or more of aluminum fiber, carbon fiber, polyester fiber and silicate fiber.

For the flexible sound insulation material, preferably, the heavy powder is one or more of ultrafine graphene powder, ultrafine aluminum oxide powder, and ultrafine metal powder; The particle size of the solid powder is 100nm-100μm.

Preferably, the flexible sound insulation material further includes: 1-2 parts of bactericide.

The flexible sound insulation material, preferably, the rubber is one or more of fluorine rubber, nitrile rubber, neoprene; the plastic is polycarbonate resin, polyvinyl chloride, polyethylene, polyvinyl chloride One or more of styrene, polypropylene, polyurethane.

The flexible sound insulation material, preferably, the plasticizer is one of dibutyl phthalate, dioctyl phthalate, and dioctyl adipate; the heat stabilizer is calcium One of zinc powder, organic tin, and organic antimony; the accelerator is dibenzothiazole disulfide, N-cyclohexyl-2-benzothiazole sulfenamide, tetramethylthiuram disulfide One; the vulcanizing agent is selected from one or more of sublimated sulfur, zinc oxide, magnesium oxide; the coupling agent is a chromium complex coupling agent, a silane coupling agent, a titanate coupling agent One of.

For the flexible sound-insulating material, preferably, the antibacterial agent is one of nano-silver, silver-loaded phosphate, and tetrachlorophthalonitrile.

The present invention also provides a method for preparing the above-mentioned flexible sound insulation material, comprising the following steps:

(1) Put the rubber, plastic, plasticizer and heat stabilizer in the open mixer at a temperature of 120°C to 180°C and a speed of 10 to 30r/min and mix for 1 to 5 minutes, then add reinforcing fibers, heavy quality powder and coupling agent, keep the temperature and rotation speed constant, knead for 2-10 minutes, cool to room temperature, and obtain the premix;

(2) Add accelerator and vulcanizing agent to the premix obtained in step (1), mix at 30-90°C for 2-10 minutes at a speed of 10-30r/min, leave it at room temperature for 12-36 hours, and Continue mixing for 2 to 10 minutes at a speed of 10 to 30 r/min, and finally put it on a flat vulcanizing machine for molding. The molding temperature is 120 to 180 ° C, the pressure is 5 to 15 MPa, and the time is 10 to 30 minutes. After cooling at room temperature, flexible insulation is obtained. sound material.

The preparation method of the flexible sound insulation material, preferably, in the step (2), further includes adding an antibacterial agent into the premix.

As a further improvement of the above technical solution:

The rubber-plastic sound-insulating core layer is a flame-retardant flexible sound-insulating material, and the flame-retardant flexible sound-insulating material includes the following components in parts by weight: 25-40 parts of halogen-free rubber, 15-25 parts of halogen-free plastic, reinforcing fiber 2-10 parts, heavy powder 5-15 parts, plasticizer 10-20 parts, flame retardant 5-10 parts, stabilizer 1-2 parts, accelerator 1-2 parts, vulcanizing agent 1-2 parts , and 1 to 2 parts of coupling agent.

In the flame-retardant flexible sound-insulating material, preferably, the reinforcing fibers are one or more of aluminum fibers, carbon fibers, polyester fibers, and silicate fibers.

The flame-retardant flexible sound-insulating material, preferably, the heavy powder is one or more of ultrafine graphene powder, ultrafine aluminum oxide powder, and ultrafine iron powder; The particle size of the heavy powder is 100nm-100μm.

The flame-retardant flexible sound-insulating material preferably further includes: 1-2 parts of bactericide.

For the flame-retardant flexible sound-insulating material, preferably, the halogen-free rubber is one or more of silicone rubber, butadiene rubber, and ethylene-propylene-diene rubber; the halogen-free plastic is polycarbonate, polyester One or more of propylene, polyethylene, polyurethane.

The flame-retardant flexible sound-insulating material, preferably, the plasticizer is one of dibutyl phthalate, dioctyl phthalate, and dioctyl adipate; the flame-retardant The stabilizer is one or more of aluminum hydroxide, magnesium hydroxide, and zinc borate; the stabilizer is one of calcium zinc powder, organic tin, and organic antimony; the accelerator is dibenzothiazole disulfide , one of N-cyclohexyl-2-benzothiazole sulfenamide, and tetramethylthiuram disulfide; the vulcanizing agent is one or more of sublimated sulfur, zinc oxide, and magnesium oxide; The coupling agent is one of chromium complex coupling agent, silane coupling agent and titanate coupling agent.

In the flame-retardant flexible sound-insulating material, preferably, the antibacterial agent is one of nano-silver, silver-loaded phosphate, and tetrachlorophthalonitrile.

The present invention also provides a method for preparing the above-mentioned flame-retardant flexible sound-insulating material, comprising the following steps:

(1) Put the halogen-free rubber, halogen-free plastic, plasticizer and stabilizer in the open mixer at a temperature of 120°C to 180°C and a speed of 10 to 30r/min and mix for 1 to 5 minutes, then add Reinforcing fiber, heavy powder, flame retardant and coupling agent, keep the temperature and rotation speed constant, knead for 2-10 minutes, cool to room temperature, and get the premix;

(2) Add accelerator and vulcanizing agent to the premix obtained in step (1), mix at 30-90°C for 2-10 minutes at a speed of 10-30r/min, leave it at room temperature for 12-36 hours, and Continue mixing for 2 to 10 minutes at a speed of 10 to 30 r/min, and finally place it on a flat vulcanizer for molding. The molding temperature is 120 to 180 ° C, the pressure is 5 to 15 MPa, and the time is 10 to 30 minutes. After cooling at room temperature, the flame retardant Flexible soundproofing material.

The preparation method of the flame-retardant flexible sound-insulating material, preferably, in the step (2), further includes adding an antibacterial agent into the premix.

The innovation of the present invention is:

The sound insulation of homogeneous materials obeys the "mass law", that is, the greater the density, the greater the sound insulation. The present invention is on the basis of nitrile rubber and polyvinyl chloride mixture, by adding reinforcing fiber (such as being aluminum fiber, carbon fiber, polyester fiber, silicate fiber etc.) and heavy powder (such as graphene, trioxide Two aluminum, iron powder, etc.), can not only increase the density of the material, but at the same time, the reinforcing fiber and ultrafine powder dispersed in the mixture can form multiple layers of acoustic reflection at different interfaces, which increases the consumption of acoustic energy, so it can effectively improve The sound insulation of the material breaks through the "mass law". At the same time, due to the addition of reinforcing fibers, the cross-linked network structure formed by the reinforcing fibers improves the compressive and tensile properties of the material.

Compared with the prior art, the present invention has the advantages of:

The light-weight sound-insulating rolling door of the substation of the present invention adopts a light-weight sound-insulating curtain surface, so when it is packaged in the top-sealed box, the top-sealed box is also relatively light in weight, and can be easily fixed on the installation structure. The soundproof curtain surface, the reel, and the shutter machine are all encapsulated in the top sealing box, that is to say, the whole system only has two parts, the top sealing box and the roller shutter guide rail, and only need to fix the roller shutter guide rail and the top sealing box during installation , to achieve quick installation; when dismounting, only need to remove the roller shutter guide rail and the top sealing box to achieve quick disassembly; the lightweight sound insulation curtain surface includes a rubber and plastic sound insulation core layer and a rubber and plastic sound insulation The fireproof and waterproof surface layer outside the core layer has the advantages of light weight and good sound insulation performance.

Further, the sound insulation curtain surface of the present invention adopts flexible sound insulation material, uses rubber and plastic blend as composite matrix, uses fiber reinforcement and heavy powder as auxiliary filler to improve sound energy consumption, and uses plasticizer, heat Stabilizers, accelerators, vulcanizing agents, coupling agents, and bactericides are the main additives. The formed flexible sound insulation material has the advantages of light weight, good sound insulation performance, and can be easily folded and rolled. It is suitable for The use environment of quick installation and disassembly; it also has the advantages of flame retardancy, good anti-aging performance, good compression and tensile performance.

Further, the sound insulation curtain surface of the present invention adopts flame retardant flexible sound insulation material, uses halogen-free rubber and plastic blend as composite matrix, uses fiber reinforcing agent and modifier as auxiliary filler, uses flame retardant, plasticizer , stabilizer, accelerator, vulcanizing agent, coupling agent, and fungicide are the main additives. The flame-retardant flexible sound-insulation material formed has the advantages of light weight, good sound insulation performance, and can be easily folded and rolled. There is no toxic black smoke after burning, and it is suitable for use environments that require quick installation and disassembly. It also has the advantages of flame retardancy, good anti-aging performance, good compression and tensile performance, etc.

Description of drawings

Fig. 1 is a front view structural diagram of Embodiment 1 of the present invention.

Fig. 2 is a schematic side view of the structure of Embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of the lightweight sound-insulating curtain of Example 1 of the present invention.

Each label in the figure means:

1. Lightweight sound-proof curtain surface; 2. Roller shutter driving components; 21. Scroll; 22. Roller shutter machine; 3. Top seal box; 4. Roller shutter guide rail; 5. Movable bottom seal; 51. Metal structure interior Layer; 52. Rubber outer layer; 6. Installation structure; 7. Rib component; 71. Metal strip; 72. Fastening bolt; 8. Shutter controller; 9. Operation button.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Example 1

As shown in Figures 1 to 3, the light-weight sound-insulating rolling door of the substation in this embodiment includes a light-weight sound-insulating curtain surface 1, a rolling shutter driving assembly 2 and a top sealing box 3, and the rolling shutter driving assembly 2 includes a reel 21 and The roller blind machine 22 that drives the reel 21 to rotate, the lightweight sound-insulating curtain surface 1 is wound on the reel 21, the light-weight sound-insulating curtain surface 1 and the roller blind driving assembly 2 are both arranged in the top sealing box 3, the light-weight insulation curtain surface 1 The two ends of the acoustic curtain surface 1 are provided with roller shutter guide rails 4 that can be matched with the light-weight sound-insulation curtain surface 1. The light-weight sound-insulation curtain surface 1 includes a rubber-plastic sound-insulation core layer and a fire-proof layer arranged outside the rubber-plastic sound-insulation core layer. Waterproof finish.

In this embodiment, the lightweight sound-insulating curtain surface 1 is rolled on the reel 21, and the reel 21 is controlled by the rolling machine 22 in the direction of rotation, forward rotation is to open the light-weight sound-insulation curtain surface 1, and reverse rotation is to retract the light-weight sound-insulation curtain surface 1. The curtain surface 1 and the roller shutter guide rail 4 (side guide rail) are arranged on both sides of the top sealing box 3; The sealed sound insulation surface can be installed at the door of the main transformer room of the indoor substation, or at the sound barrier in front of the main transformer of the outdoor substation, so as to facilitate the access of the transformer during maintenance. The sound insulation curtain used in this structure is light, so when it is packaged in the top seal box 3, the weight of the top seal box 3 is also relatively light, and can be easily fixed on the installation structure 6, due to the light weight of the sound insulation curtain 1. The reel 21 and the roller shutter machine 22 are all encapsulated in the top sealing box 3, that is to say, the whole system has only two parts, the top sealing box 3 and the roller shutter guide rail 4. During installation, only the roller shutter guide rail 4, The top sealing box 3 is fixed, which realizes quick installation; and when dismounting, only the roller shutter guide rail 4 and the top sealing box 3 need to be removed, and quick disassembly can be realized. The lightweight sound-insulating curtain 1 includes a rubber-plastic sound-insulating core layer and a fireproof and waterproof surface layer arranged outside the rubber-plastic sound-insulating core layer, which has the advantages of light weight and good sound insulation performance.

In this embodiment, the output shaft of the roller blind machine 22 transmits power to the reel 21 through a belt or a chain.

In this embodiment, the protruding end of the lightweight sound-insulating curtain surface 1 is fixedly connected to a movable bottom seal 5, the movable bottom seal 5 includes a metal structure inner layer 51 and a rubber outer layer 52, and the protruding end of the lightweight sound-insulating curtain surface 1 The end is inserted into the movable bottom seal 5 and locked by bolts. The movable bottom seal 5 is fixedly connected with the lightweight sound-insulating curtain 1, and moves along with the movement of the light-weight sound-insulating curtain 1, quickly realizing the sealing of the bottom when the light-weight sound-insulating curtain 1 is opened. Lightweight sound insulation curtain surface 1, movable bottom seal 5, roller shutter guide rail 4, and top seal box body 3 form an integral sealed sound insulation surface. The rubber outer layer 52 can reduce vibration and wear when the movable bottom seal 5 is in contact with the ground.

In addition to this embodiment, it is also possible to provide a fixed bottom seal (not shown in the figure) that can cooperate with the protruding end of the lightweight sound insulation curtain 1 under the top seal box body 3, and the structure and activities of the fixed bottom seal The bottom seal 5 has the same structure. The fixed bottom seal is fixed on the ground below the top seal casing 3, and the light-weight sound insulation curtain surface 1 is inserted into the fixed bottom seal to realize sealing when it is opened.

In this embodiment, the lightweight sound-insulating curtain surface 1 is provided with a reinforcing rib assembly 7, and the reinforcing rib assembly 7 includes two metal strips 71 and fastening bolts 72, and the two metal strips 71 are clamped on the lightweight sound-insulating curtain surface 1 The outer side is fastened on the lightweight sound insulation curtain surface 1 by fastening bolts 72. The rib assemblies 7 are provided in multiple groups, and the multiple sets of rib assemblies 7 are evenly arranged on the light-weight sound-insulating curtain surface 1 in the transverse direction.

In this embodiment, there is also a shutter machine controller 8 for controlling the opening and closing of the shutter machine 22 inside the top-sealing box body 3 . The top sealing box body 3 is provided with an operation button 9 connected with the controller 8 of the shutter machine. The signal is fed back to the roller shutter controller 8 through the operation button 9, and the roller shutter controller 8 controls the opening and closing of the roller shutter 22, as well as fast and slow speed.

In this embodiment, the lightweight sound-insulating curtain surface 4 includes a rubber-plastic sound-insulating core layer and a fireproof and waterproof surface layer arranged outside the rubber-plastic sound-insulating core layer. The fireproof and waterproof surface layer is the surface layer of glass fiber aluminum foil cloth. The rubber and plastic sound insulation core layer is a flexible sound insulation material. This embodiment provides a kind of preparation method of flexible sound insulation material, comprises the following steps:

(1) Weigh raw materials according to the following weight ratio: 30 parts of nitrile rubber, 20 parts of polyvinyl chloride, 10 parts of carbon fiber, 15 parts of nano graphene powder (200nm), 15 parts of dioctyl adipate, calcium zinc 2 parts powder, 2 parts dibenzothiazole disulfide, 2 parts sublimated sulfur, 2 parts silane coupling agent (KH570), 2 parts nano silver.

(2) Pre-vulcanization treatment: Put nitrile rubber, polyvinyl chloride, dioctyl adipate, and calcium zinc powder into an open mill (at a temperature of 160°C and at a speed of 20r/min) and knead for 2 minutes, then add Carbon fiber, graphene nanometer and silane coupling agent, continue kneading 5min.

(3) Vulcanization treatment: After the mixture is cooled to room temperature, add sublimated sulfur, dibenzothiazole disulfide and nano-silver in the open mill (temperature 60°C, speed 20r/min) according to the corresponding proportion, and knead 5min; After standing at room temperature for 24h, knead in an open mill (room temperature, speed 20r/min) for 5min, and then place it on a flat vulcanizer (temperature 160°C, pressure 10MPa) for 15min.

(4) Post-vulcanization treatment: Take out the sample, cool it at room temperature for 24 hours, and finally cut the obtained flexible sound insulation sheet into required size for use.

The performance parameters are shown in Table 1 when the sample thickness is 1.5mm.

Table 1 The performance table of the flexible sound insulation material prepared in Example 1

Example 2:

This embodiment is basically the same as Embodiment 1, the difference only lies in:

This embodiment provides another preparation method of flexible sound insulation material, including the following steps:

(1) Take raw materials according to the following weight ratio: 35 parts of nitrile rubber, 20 parts of polyvinyl chloride, 5 parts of aluminum fiber, 15 parts of ultrafine metal iron powder (2um), 15 parts of dioctyl phthalate, 2 parts of organic antimony, 2 parts of dibenzothiazole disulfide, 2 parts of sublimed sulfur, 2 parts of silane coupling agent (KH570), 2 parts of nano silver.

(2) Pre-vulcanization treatment: first put nitrile rubber, polyvinyl chloride, dioctyl phthalate, and organic antimony into an open mixer (at a temperature of 160°C, at a speed of 20r/min) and knead for 2 minutes, then add Aluminum fiber, ultrafine metal iron powder and silane coupling agent, continue to knead for 5min.

(3) Vulcanization treatment: After the mixture is cooled to room temperature, add sublimated sulfur, dibenzothiazole disulfide and nano-silver in the open mill (temperature 60°C, speed 20r/min) according to the corresponding proportion, and knead 5min; After standing at room temperature for 24h, knead in an open mill (room temperature, speed 20r/min) for 5min, and then place it on a flat vulcanizer (temperature 160°C, pressure 10MPa) for 15min.

(4) Post-vulcanization treatment: Take out the sample, cool it at room temperature for 24 hours, and finally cut the obtained flexible sound insulation sheet into required size for use.

The performance parameters when the sample thickness is 1.0 mm are shown in Table 2.

Table 2 The performance table of the flexible sound insulation material prepared in Example 2

Example 3:

This embodiment is basically the same as Embodiment 1, the difference only lies in:

This embodiment provides the third preparation method of the flexible sound insulation material, including the following steps:

(1) Weigh raw materials according to the following weight ratio: 35 parts of nitrile rubber, 15 parts of polyurethane, 10 parts of aluminum fiber, 15 parts of nano graphene powder (200nm), 15 parts of dioctyl adipate, calcium zinc powder 2 parts, 2 parts of dibenzothiazole disulfide, 2 parts of sublimed sulfur, 2 parts of silane coupling agent (KH570), 2 parts of nano silver.

(2) Pre-vulcanization treatment: Put nitrile rubber, polyurethane, dioctyl adipate, and calcium-zinc powder into an open mill (at a temperature of 160°C and at a speed of 20r/min) and knead for 2 minutes, then add aluminum fiber , nano-graphene powder and silane coupling agent, continue to knead for 5min.

(3) Vulcanization treatment: After the mixture is cooled to room temperature, add sublimated sulfur, dibenzothiazole disulfide and nano-silver in the open mill (temperature 60°C, speed 20r/min) according to the corresponding proportion, and knead 5min; After standing at room temperature for 24h, knead in an open mill (room temperature, speed 20r/min) for 5min, and then place it on a flat vulcanizer (temperature 160°C, pressure 10MPa) for 15min.

(4) Post-vulcanization treatment: Take out the sample, cool it at room temperature for 24 hours, and finally cut the obtained flexible sound insulation sheet into required size for use.

When the sample size is 1.0mm, the performance parameters are shown in the table below.

Table 3 The performance table of the flexible sound insulation material prepared in Example 3

Example 4:

This embodiment is basically the same as Embodiment 1, the difference only lies in:

In this example, the rubber-plastic sound-insulating core layer is a flame-retardant flexible sound-insulating material. This example provides a preparation method of a flame-retardant flexible sound-insulating material, including the following steps:

(1) Weigh raw materials according to the following weight ratio: 30 parts of EPDM, 20 parts of polypropylene, 5 parts of carbon fiber, 15 parts of ultrafine metal iron powder (2 μm), 15 parts of dioctyl adipate, hydrogenated 5 parts of aluminum, 2 parts of calcium zinc powder, 2 parts of dibenzothiazole disulfide, 2 parts of sublimed sulfur, 2 parts of silane coupling agent (KH570), 2 parts of nano silver.

(2) Pre-vulcanization treatment: Put EPDM, polypropylene, dioctyl adipate, and calcium-zinc powder into an open mill (at a temperature of 160°C and at a speed of 20r/min) and knead for 2 minutes. Add carbon fiber, superfine metal iron powder, aluminum hydroxide and silane coupling agent (KH570), and continue kneading for 5 minutes.

(3) Vulcanization treatment: After the mixture is cooled to room temperature, add sublimated sulfur, dibenzothiazole disulfide and nano-silver in the open mill (temperature 60°C, speed 20r/min) according to the corresponding proportion, and knead 5min; After standing at room temperature for 24h, knead in an open mill (room temperature, speed 20r/min) for 5min, and then place it on a flat vulcanizer (temperature 160°C, pressure 10MPa) for 15min.

(4) Post-vulcanization treatment: take out the sample, cool it at room temperature for 24 hours, and finally cut the obtained sheet into the required size for use.

The performance parameters when the sample thickness is 1.5 mm are shown in Table 4.

Table 4 The performance table of the flame-retardant flexible sound-insulating material with a thickness of 1.5 mm prepared in Example 4

Example 5:

This embodiment is basically the same as Embodiment 4, the difference only lies in:

This embodiment provides the second preparation method of the flame-retardant flexible sound-insulating material, including the following steps:

(1) Weigh raw materials according to the following weight ratio: 35 parts of EPDM, 20 parts of polypropylene, 5 parts of aluminum fiber, 10 parts of ultrafine metal iron powder (2 μm), 15 parts of dioctyl phthalate, 5 parts of aluminum hydroxide, 2 parts of organic antimony, 2 parts of dibenzothiazole disulfide, 2 parts of sublimed sulfur, 2 parts of silane coupling agent (KH570), 2 parts of nano silver.

(2) Pre-vulcanization treatment: Put EPDM, polypropylene, dioctyl phthalate, and organic antimony into an open mixer (at a temperature of 160°C and at a speed of 20 r/min) and knead for 2 minutes, then add Aluminum fiber, superfine metal iron powder, aluminum hydroxide and silane coupling agent (KH570), continue kneading for 5 minutes.

(3) Vulcanization treatment: After the mixture is cooled to room temperature, add sublimated sulfur, dibenzothiazole disulfide and nano-silver in the open mill (temperature 60°C, speed 20r/min) according to the corresponding proportion, and knead 5min; After standing at room temperature for 24h, knead in an open mill (room temperature, speed 20r/min) for 5min, and then place it on a flat vulcanizer (temperature 160°C, pressure 10MPa) for 15min.

(4) Post-vulcanization treatment: Take out the sample, cool it at room temperature for 24 hours, and finally cut the obtained flame-retardant flexible sound-insulating sheet into the required size for use.

The performance parameters when the sample thickness is 1.0 mm are shown in Table 5.

Table 5 The performance table of the flame-retardant flexible sound-insulating material with a thickness of 1.0mm prepared in Example 5

Embodiment 6:

This embodiment is basically the same as Embodiment 4, the difference only lies in:

This example provides the third preparation method of the flame-retardant flexible sound-insulating material, which includes the following steps:

(1) Weigh raw materials according to the following weight ratio: 35 parts of butadiene rubber, 15 parts of polyurethane, 5 parts of aluminum fiber, 15 parts of ultrafine graphene powder (200nm), 15 parts of dioctyl adipate, zinc borate 5 parts, calcium zinc powder 2 parts, dibenzothiazole disulfide 2 parts, sublimated sulfur 2 parts, silane coupling agent (KH570) 2 parts, nano silver 2 parts.

(2) Pre-vulcanization treatment: Put butadiene rubber, polyurethane, dioctyl adipate, and calcium-zinc powder into an open mill (at a temperature of 160°C and at a speed of 20r/min) and knead for 2 minutes, then add aluminum fiber , ultrafine graphene powder and chromium complex coupling agent, continue to knead for 5min.

(3) Vulcanization treatment: After the mixture is cooled to room temperature, add sublimated sulfur, dibenzothiazole disulfide and nano-silver in the open mill (temperature 60°C, speed 20r/min) according to the corresponding proportion, and knead 5min; After standing at room temperature for 24h, knead in an open mill (room temperature, speed 20r/min) for 5min, and then place it on a flat vulcanizer (temperature 160°C, pressure 10MPa) for 15min.

(4) Post-vulcanization treatment: Take out the sample, cool it at room temperature for 24 hours, and finally cut the obtained flame-retardant flexible sound-insulating sheet into the required size for use.

The performance parameters when the sample thickness is 1.0 mm are shown in Table 6.

Table 6 The performance table of the flame-retardant flexible sound-insulating material with a thickness of 1.0 mm prepared in Example 6

Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person familiar with the art, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make many possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent implementation of equivalent changes example. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. A kind of 1. substation's light sound-insulation rolling screen door, it is characterised in that：Including light sound-insulation curtain face (1), roller shutter drive component (2) The shutter (22) for including spool (21) with closedtop babinet (3), the roller shutter drive component (2) and driving spool (21) to rotate, The light sound-insulation curtain face (1) is wound on spool (21), and the light sound-insulation curtain face (1) and roller shutter drive component (2) are all provided with It is placed in closedtop babinet (3), light sound-insulation curtain face (1) both ends are equipped with the roller shutter that can coordinate with light sound-insulation curtain face (1) and lead Rail (4), the light sound-insulation curtain face (1) include rubber and plastic sound insulation sandwich layer and the fire-proof and water-proof face on the outside of rubber and plastic sound insulation sandwich layer Layer.
2. 2. substation's light sound-insulation rolling screen door according to claim 1, it is characterised in that：The light sound-insulation curtain face (1) External part be fixedly connected with a movable underseal (5), the activity underseal (5) includes metal structure internal layer (51) and rubber outer (52)。
3. 3. substation's light sound-insulation rolling screen door according to claim 2, it is characterised in that：The light sound-insulation curtain face (1) The external part insertion movable underseal (5) in and locked by bolt.
4. 4. substation's light sound-insulation rolling screen door according to claim 1, it is characterised in that：Below the closedtop babinet (3) Equipped with the fixation underseal that can coordinate with the external part in light sound-insulation curtain face (1), the structure of the fixed underseal and movable underseal (5) Structure is identical.
5. 5. substation's light sound-insulation rolling screen door according to any one of claims 1 to 4, it is characterised in that：The lightweight Sound isolation curtain face (1) is equipped with reinforcing rib component (7), and the reinforcing rib component (7) includes two metal strips (71) and fastening bolt (72), two metal strips (71) are clipped on the outside of light sound-insulation curtain face (1), and are fastened on light sound-insulation curtain by fastening bolt (72) On face (1), the reinforcing rib component (7) is arranged to multigroup, and multigroup reinforcing rib component (7) is laterally uniform to be arranged in light sound-insulation On curtain face (1).
6. 6. substation's light sound-insulation rolling screen door according to any one of claims 1 to 4, it is characterised in that：The closedtop The curtain rolling machine controller (8) for controlling shutter (22) to open and close is additionally provided with babinet (3).
7. 7. substation's light sound-insulation rolling screen door according to any one of claims 1 to 4, it is characterised in that：The rubber and plastic Sound insulation sandwich layer is flexible sound-proof materials, and the flexible sound-proof materials include the component of following parts by weight：25~40 parts of rubber, plastics 15~25 parts, 5~10 parts of reinforcing fiber, 5~15 parts of heavy powder, 10~20 parts of plasticiser, 1~2 part of heat stabilizer, accelerating agent 1~2 part, 1~2 part of vulcanizing agent, and 1~2 part of coupling agent.
8. 8. substation's light sound-insulation rolling screen door according to claim 7, it is characterised in that：The reinforcing fiber is fine for aluminium One or more in dimension, carbon fiber, polyester fiber, silicate fiber；The heavy powder is superfine graphite alkene powder, ultra-fine One or more in alundum (Al2O3) powder, submicron particle；The particle diameter of the heavy powder is 100nm~100 μm.
9. 9. substation's light sound-insulation rolling screen door according to any one of claims 1 to 4, it is characterised in that：The rubber and plastic Sound insulation sandwich layer is flame retardant flexible sound insulating material, and the flame retardant flexible sound insulating material includes the component of following parts by weight：Halogen-free rubber 25~40 parts of glue, halogen-free 15~25 parts of plastics, 2~10 parts of reinforcing fiber, 5~15 parts of heavy powder, 10~20 parts of plasticiser, 5~10 parts of fire retardant, 1~2 part of stabilizer, 1~2 part of accelerating agent, 1~2 part of vulcanizing agent, and 1~2 part of coupling agent.
10. 10. substation's light sound-insulation rolling screen door according to claim 9, it is characterised in that：The reinforcing fiber is fine for aluminium One or more in dimension, carbon fiber, polyester fiber, silicate fiber；The heavy powder is superfine graphite alkene powder, ultra-fine One or more in alundum (Al2O3) powder, superfine iron powder body；The particle diameter of the heavy powder is 100nm~100 μm.