CN114033026A - Accumulated silt at bottom of pool system of breaking away - Google Patents
Accumulated silt at bottom of pool system of breaking away Download PDFInfo
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- CN114033026A CN114033026A CN202111202284.9A CN202111202284A CN114033026A CN 114033026 A CN114033026 A CN 114033026A CN 202111202284 A CN202111202284 A CN 202111202284A CN 114033026 A CN114033026 A CN 114033026A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000010802 sludge Substances 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 14
- 239000013049 sediment Substances 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 6
- 230000000116 mitigating effect Effects 0.000 claims 2
- 238000005406 washing Methods 0.000 abstract description 11
- 230000009471 action Effects 0.000 abstract description 9
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 210000000621 bronchi Anatomy 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
- E03F7/103—Wheeled apparatus for emptying sewers or cesspools with a tank featuring one or more partition walls
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
- E03F7/106—Accessories, e.g. hose support
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
- E03F9/007—Devices providing a flushing surge
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a system for breaking accumulated silt at the bottom of a pool, and relates to the technical field of drainage. The system comprises a tank body, a flexible part and a power source. The inside of the pool body is divided by a partition to form a water storage chamber and a main pool. The separator is provided with a water through hole, and the water through hole is provided with a valve mechanism capable of being opened and closed. The flexible piece is arranged at the bottom of the main water pool and is used for breaking the plate knots attached to the bottom of the main water pool. The power supply is used for making the flexible piece take place deformation, and when the flexible piece takes place deformation, the flexible piece acts on the board knot thing and can be broken to it. During use of the tank, a sludge deposit is formed on the flexible member. When the bottom of the pool needs to be washed, the flexible air bag can be deformed, the plate knots can be broken under the action of the flexible air bag at the moment to form common accumulated silt which is easy to wash, then the valve mechanism is opened, the washing water in the water storage chamber flows out from the water through hole under the action of gravity to form jet flow, and the bottom of the pool in the main pool is rolled and washed.
Description
Technical Field
The invention relates to the technical field of drainage, in particular to a system for breaking silt accumulated at the bottom of a pool.
Background
In drainage works, it is necessary to store water bodies with large pollution loads such as domestic sewage and initial rainwater for a long time in water storage and discharge tanks such as a reservoir, a regulation tank and a regulation tank. Silt, pollutants and the like in the water body can be precipitated at the bottom of the pool, and a silt deposition layer can be formed after a long time. The presence of such deposits can cause the following problems: on one hand, the accumulated silt occupies the volume of the tank body, so that the available volume of the tank body is reduced, and the function of the system is influenced; on the other hand, the area of the sludge generates toxic and malodorous gas, thereby causing great influence on the safety of personnel and the surrounding environment.
In order to solve the above problems, a solution of washing the bottom of the tank by means of washing devices is generally adopted at present, these washing devices can wash the loose part of the accumulated silt surface, but cannot effectively wash the sediment with higher density at the bottom of the accumulated silt, and the sediment which is not washed away can form thick, compact and firm plate knots at the bottom of the tank, which brings trouble to the cleaning of the bottom of the tank.
At present, the hardened objects at the bottom of the pool are generally cleaned manually, but the pool bottom is located underground, and the hardened objects at the bottom of the pool are cleaned manually, so that the problems that:
1. the workload of manually cleaning the hardened plate is large.
2. The dangerousness of working in the limited space under the ground is extremely high, and the operation of mechanical equipment is difficult.
3. The manual cleaning of the hardened plate needs to be carried out under the condition that no water exists in the tank, the tank body is used as an important component of a drainage system, the drainage system is stopped due to emptying in the tank, and the urban drainage system is seriously affected.
Disclosure of Invention
In view of the above situation, the present invention provides a system for breaking the accumulated sludge at the bottom of a pool, so as to solve the technical problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a bottom of pool silt knot breaks system that removes, mainly can include: cell body, flexible member and power supply.
The inside of the pool body is divided by a partition to form a water storage chamber and a main pool. The separator is provided with a water through hole, and the water through hole is provided with a valve mechanism capable of being opened and closed.
The flexible piece is arranged at the bottom of the main water pool and is used for breaking the plate knots attached to the bottom of the main water pool.
The power supply is used for making the flexible piece take place deformation, and when the flexible piece takes place deformation, the flexible piece acts on the board knot thing and can be broken to it.
In one embodiment of the invention, the flexible member comprises a flexible bladder and the power source comprises an air pump.
In one embodiment of the invention, the number of flexible bladders is multiple and they are distributed discretely at the bottom of the main basin.
In one embodiment of the invention, the flexible air bag of any one of the air bags is provided with at least one air nozzle, and the air pump is communicated with the air nozzle through the main air pipe, the air distribution pipe and the branch air pipe in sequence.
In one embodiment of the invention, the bottom of the main basin has a plurality of recesses. The flexible air bag is laid in the concave part along the inner contour of the concave part, and the rest space in the concave part except the space occupied by the flexible air bag is used for accommodating the plate knots.
In one embodiment of the invention, the bottom of the main basin has a plurality of recesses. The flexible member is disposed in the recess.
In one embodiment of the invention, a support member arranged according to a predetermined shape is arranged in the concave part, the support member is used for supporting the flexible member, and the shape of the support member is matched with that of the concave part.
In one embodiment of the invention, the support is detachably mounted in the recess.
In one embodiment of the invention, a support member is arranged at the bottom of the main water pool according to a preset shape, the support member is used for supporting the flexible member, and the shape of the support member is matched with that of the flexible member.
In one embodiment of the present invention, the bottom silt deposit breaking system further comprises: liquid level inductor and controlling means. The liquid level inductor is arranged in the main water tank. The output end of the liquid level sensor is electrically connected with the input end of the control device, and the output end of the control device is electrically connected with the input end of the air pump.
The embodiment of the invention at least has the following advantages or beneficial effects:
during use of the tank, a sludge deposit is formed on the flexible member. When the bottom of the pool needs to be washed, the flexible air bag can be deformed, the plate knots can be broken under the action of the flexible air bag at the moment to form common accumulated silt which is easy to wash, then the valve mechanism is opened, the washing water in the water storage chamber flows out from the water through hole under the action of gravity to form jet flow, and the bottom of the pool in the main pool is rolled and washed.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a sludge floor breaking system;
FIG. 2 is a schematic structural view of a sludge floor breaking system during inflation of the flexible members;
FIG. 3 is a schematic structural diagram of a broken plate;
FIG. 4 is a schematic structural diagram of the broken flushing plate;
FIG. 5 is a schematic view of the flexible member when it is not inflated;
FIG. 6 is a schematic view of the flexible member when inflated;
fig. 7 is a schematic structural view of the flexible member and the support member.
Icon: 11-a tank body, 111-a separating part, 112-a water storage chamber, 113-a main water tank, 114-a tank bottom, 115-a water passing hole, 116-a valve plate, 117-a concave part, 13-a flexible part, 131-a flexible air bag, 132-an air nozzle, 133-a supporting part, 151-a main air pipe, 152-an air distribution pipe, 153-a branch air pipe, 154-a liquid level sensor, 155-a control device and 156-an air pump.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
In drainage works, it is necessary to store water bodies with large pollution loads such as domestic sewage and initial rainwater for a long time in water storage and discharge tanks such as a reservoir, a regulation tank and a regulation tank. Silt, pollutants and the like in the water body can be precipitated at the bottom of the pool, and a silt deposition layer can be formed after a long time. The presence of such deposits can cause the following problems: on one hand, the accumulated silt occupies the volume of the tank body, so that the available volume of the tank body is reduced, and the function of the system is influenced; on the other hand, the area of the sludge generates toxic and malodorous gas, thereby causing great influence on the safety of personnel and the surrounding environment.
In order to solve the above problems, a solution of washing the bottom of the tank by means of washing devices is generally adopted at present, these washing devices can wash the loose part of the accumulated silt surface, but cannot effectively wash the sediment with higher density at the bottom of the accumulated silt, and the sediment which is not washed away can form thick, compact and firm plate knots at the bottom of the tank, which brings trouble to the cleaning of the bottom of the tank.
At present, the hardened objects at the bottom of the pool are generally cleaned manually, but the pool bottom is located underground, and the problems that the hardened objects at the bottom of the pool are cleaned manually are as follows:
1. the workload of manually cleaning the hardened plate is large.
2. The dangerousness of working in the limited space under the ground is extremely high, and the operation of mechanical equipment is difficult.
3. The manual cleaning of the hardened plate needs to be carried out under the condition that no water exists in the tank, the tank body is used as an important component of a drainage system, and the drainage system is shut down due to the emptying in the tank, so that the urban drainage system is seriously damaged.
Referring to fig. 1 to 7, in order to solve the above problem, the present embodiment provides a system for breaking a silt deposit on a pool bottom, which mainly includes: cell body 11, flexible piece 13 and power supply, flexible piece 13 is used for the broken plate knot thing.
The inside of the tank body 11 is partitioned by a partition 111 to form a water storage chamber 112 and a main water tank 113. The tank body 11 may be formed by casting concrete, for example. The bottom of the main water tank 113 is a tank bottom 114, the partition 111 is provided with a water through hole 115, the water through hole 115 is provided with a valve mechanism which can be opened and closed, and the valve mechanism at least comprises a valve plate 116 which can be opened and closed. By opening valve plate 116, the flushing water in water reservoir 112 can enter main reservoir 113. Valve plate 116 may be hydraulically driven, for example, and valve plate 116 hydraulically driven has the advantages of simple structure, convenient maintenance, safety, reliability, etc. The valve mechanism can be made of metal and non-metal materials with rust resistance and corrosion resistance, and is durable in use and long in service life.
The flexible members 13 are used to break the sheet material attached to the bottom 114 of the pool, and the flexible members 13 may mainly include flexible bladders 131. The shape of the flexible bladder 131 may be changed, and after the shape of the flexible bladder 131 is changed, the flexible bladder 131 may act on the sheet knots to break the sheet knots.
The power source is used to deform the flexible member 13 and may mainly include an air pump 156.
During use of the tank body 11, a sludge deposition layer is formed on the flexible bladder 131. When the bottom 114 of the pool needs to be washed, the air pump 156 can firstly inflate the flexible air bag 131 to deform the flexible air bag 131, at the moment, the plate-shaped objects can be broken under the action of the flexible air bag 131 to become common accumulated silt which is easy to wash, then the valve plate 116 is opened, the washing water in the water storage chamber 112 flows out from the water through hole 115 under the action of gravity to form jet flow, so as to roll and wash the bottom 114 of the main pool 113.
From the above, when the breaker plate is broken, the mechanical equipment does not need to be operated by entering the bottom 114 of the tank manually, thereby reducing the workload and improving the safety. When the broken objects are broken, the water in the main water tank 113 does not need to be drained, so that the normal operation of the urban drainage system is ensured. In addition, through the cooperation of flexible piece 13, water storage room 112 and valve mechanism, can also stir the higher sewage of lower part concentration and the lower sewage of its upper portion concentration in main pond 113 and mix, form the water of concentration homogeneous to alleviate the impact of water concentration inequality to drainage system.
In this embodiment, the flexible bladder 131 has an air nozzle 132 thereon to facilitate the inflation of air into the flexible bladder 131. The air nozzle 132 may be provided in plurality so as to improve the efficiency of inflating and deflating the flexible bladder 131. The air pump 156 is communicated with the air nozzles 132 through the main air pipe 151, the air distribution pipe 152 and the bronchus 153 in sequence, and the air nozzles 132 and the bronchus 153 correspond to each other one by one. The air pump 156 is installed outside the tank body 11, so that the air pump 156 can be conveniently overhauled and maintained.
It should be noted that there may be more than one flexible bladder 131 or only one flexible bladder 131 in the bottom 114, and when there is only one flexible bladder 131, it is preferable that the flexible bladder 131 can cover the whole bottom 114; when there are a plurality of flexible airbags 131, the flexible airbags 131 can be uniformly distributed on the bottom 114 of the pool or can be discretely distributed on the bottom 114 of the pool, and in order to ensure the effect of the flexible airbags 131 on breaking the plate knots, in the embodiment, the flexible airbags 131 are preferably uniformly distributed on the bottom 114 of the pool.
The bottom 114 of the tank is provided with a support 133 having a predetermined shape, and the support 133 supports the flexible member 13 so as to collect the sediment and the hardened material in the recess 117. The supporting member 133 is arranged in a predetermined shape, which means that the shape of the supporting member 133 matches the shape of the recess 117, i.e. the supporting member 133 can be arranged according to the shape of the recess 117, for example, when the shape of the recess 117 is V-shaped, the supporting member 133 is also V-shaped. The specific shape of the recess 117 is not limited in this embodiment, and can be selected by the user as appropriate.
The supporting member 133 is detachably mounted to the recess 117, and the supporting member 133 may be fixed to the recess 117 by bolts, for example, so as to facilitate the detachment and replacement of the supporting member 133 and the flexible member 13. Of course, in other embodiments, the supporting member 133 may be connected to the recess 117 by embedding, welding, or the like.
A liquid level sensor can also be disposed in the main tank 113 to monitor the liquid level change in the main tank 113.
The system for breaking the accumulated sludge at the bottom of the pond can further comprise a control device 155, the output end of the liquid level sensor is electrically connected with the input end of the control device 155, and the output end of the control device 155 is electrically connected with the input end of the air pump 156, so that the start and stop of the air pump 156 can be automatically controlled according to the liquid level change. The control device 155 is installed outside the tank body 11 so as to overhaul and maintain the control device 155.
The system for breaking the accumulated silt at the bottom of the pool only needs to detect the liquid level in daily work, and has the advantages of low energy consumption, low noise and the like.
In combination with the above structure, the working principle of the bottom silt-accumulating flushing system will be described in detail below.
When the system is in a normal working state, the flexible air bag 131 is not inflated, the flushing device is closed to shield the water through hole 115, a certain amount of flushing water is stored in the water storage chamber 112, and pollutants in the water in the main water tank 113 are slowly precipitated into the concave part 117 of the wave-shaped tank bottom 114 and attached to the flexible air bag 131.
When the liquid level sensor 154 detects that the liquid level in the main water tank 113 meets the set value, the control device 155 sends an inflation signal, the air pump 156 is started, the air distribution pipe 152 is inflated through the main air pipe 151, the air distribution pipe 152 is respectively inflated into the flexible air bag 131 through the plurality of branch air pipes 153, so that the flexible air bag 131 deforms, at the moment, the plate knots can be broken under the action of the flexible part 13 to become common accumulated silt which is easy to be washed, the valve plate 116 is opened again, the washing water in the water storage chamber 112 flows out from the water passing hole 115 under the action of gravity to form jet flow, and the bottom 114 of the main water tank 113 is rolled and washed.
When the plate knots are broken, the flexible air bag 131 is inflated and deflated intermittently, so that the flexible air bag 131 is deformed periodically, and the efficiency of breaking the plate knots is improved.
In order to ensure the effect of breaking the plate knots, the control device 155 keeps the air pump 156 in a continuous inflation state for a certain time, and the surface of the inflated flexible airbag 131 is flat.
After the flushing is finished, the control device 155 sends out a signal to close the valve plate 116, the flexible air bag 131 exhausts air under the elastic action of the material, the water storage chamber 112 stores water again, and the system is restored to the initial state to prepare for the next work. The flexible air bag 131 can exhaust air through elasticity of materials, does not need to be driven by external energy, and is energy-saving and environment-friendly.
Finally, it should be noted that: the present invention is not limited to the above-described preferred embodiments, but various modifications and changes can be made by those skilled in the art, and the embodiments and features of the embodiments of the present invention can be combined with each other arbitrarily without conflict. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a bottom of pool sediment silt system of breaking away which characterized in that includes: the pool body, the flexible piece and the power source;
the inside of the tank body is divided by a partition to form a water storage chamber and a main water tank; a water passing hole is formed in the separator, and a valve mechanism capable of being opened and closed is arranged at the water passing hole;
the flexible piece is arranged at the bottom of the main water pool and is used for crushing hardened objects attached to the bottom of the main water pool;
the power source is used for enabling the flexible piece to deform, and when the flexible piece deforms, the flexible piece acts on the plate knot object and can break the plate knot object.
2. The bottom-of-pool silt plate breaking system of claim 1, wherein the flexible member comprises a flexible bladder and the power source comprises an air pump.
3. The bottom-of-pool sludge mitigation system of claim 2, wherein the number of flexible bladders is plural and they are discretely distributed at the bottom of the main pool.
4. The system for breaking silt accumulated on the bottom of a pool according to claim 3, wherein any one of the flexible air bags is provided with at least one air tap, and the air pump is communicated with the air tap through a main air pipe, an air distribution pipe and a branch air pipe in sequence.
5. The bottom-accumulated sludge breaking system according to claim 3, wherein:
the bottom of the main water pool is provided with a plurality of concave parts;
the flexible air bag is laid in the concave part along the inner contour of the concave part, and the rest space in the concave part except the space occupied by the flexible air bag is used for accommodating the plate knots.
6. The bottom-of-pool silt plate breaking system of claim 1, wherein:
the bottom of the main water pool is provided with a plurality of concave parts;
the flexible member is disposed in the recess.
7. The bottom-of-pool sludge breaking system of claim 6, wherein a support member is installed in the recess and configured in a predetermined shape, the support member is used for supporting the flexible member, and the shape of the support member matches with the shape of the recess.
8. The bottom-of-pool sludge mitigation system of claim 7, wherein the support is removably mounted within the recess.
9. The bottom-of-pool sludge breaking system according to claim 1, wherein a support member is installed at the bottom of the main pool, the support member being configured to support the flexible member, the support member having a shape matching the flexible member.
10. The bottom-of-pool sludge breaking system of any one of claims 2-5, further comprising: a liquid level sensor and a control device;
the liquid level sensor is arranged in the main water tank;
the output end of the liquid level sensor is electrically connected with the input end of the control device, and the output end of the control device is electrically connected with the input end of the air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202284.9A CN114033026B (en) | 2021-10-15 | 2021-10-15 | Pool bottom accumulated silt hardening and removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202284.9A CN114033026B (en) | 2021-10-15 | 2021-10-15 | Pool bottom accumulated silt hardening and removing system |
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| Publication Number | Publication Date |
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| CN114033026A true CN114033026A (en) | 2022-02-11 |
| CN114033026B CN114033026B (en) | 2024-01-19 |
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| CN202111202284.9A Active CN114033026B (en) | 2021-10-15 | 2021-10-15 | Pool bottom accumulated silt hardening and removing system |
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| CN (1) | CN114033026B (en) |
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| TWM596235U (en) * | 2020-03-03 | 2020-06-01 | 李長盈 | System structure applied to filtering system and other reactors to reduce plate agglomeration |
| CN212801902U (en) * | 2020-06-04 | 2021-03-26 | 蓝深集团股份有限公司 | Sludge deposition prevention pump station |
| CN212561851U (en) * | 2020-06-16 | 2021-02-19 | 扬州市政管网有限公司 | Automatically cleaning pump station |
| CN212772757U (en) * | 2020-07-30 | 2021-03-23 | 上海淼瑞智能科技有限公司 | Intelligent vacuum cleaning system |
| CN213268257U (en) * | 2020-08-13 | 2021-05-25 | 英泰格润环保科技（天津）有限公司 | Vacuum flushing system |
| CN112044648A (en) * | 2020-09-28 | 2020-12-08 | 泗县金皖泵业有限公司 | Water curtain paint spraying chamber for spraying paint on outer surface of water pump |
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| CN114033026B (en) | 2024-01-19 |
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