CN114033026B - Pool bottom accumulated silt hardening and removing system - Google Patents
Pool bottom accumulated silt hardening and removing system Download PDFInfo
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- CN114033026B CN114033026B CN202111202284.9A CN202111202284A CN114033026B CN 114033026 B CN114033026 B CN 114033026B CN 202111202284 A CN202111202284 A CN 202111202284A CN 114033026 B CN114033026 B CN 114033026B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000013049 sediment Substances 0.000 claims abstract description 29
- 238000009825 accumulation Methods 0.000 claims abstract description 18
- 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 8
- 239000007788 liquid Substances 0.000 claims description 13
- 210000000621 bronchi Anatomy 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 9
- 239000010802 sludge Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 description 15
- 238000004140 cleaning Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 210000005056 cell body Anatomy 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
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction 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
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
- Sewage (AREA)
Abstract
The invention provides a pool bottom sediment accumulation hardening and removing system, and relates to the technical field of drainage. The system comprises a tank body, a flexible piece and a power source. The interior of the tank body is partitioned by a partition member to form a water storage chamber and a main water tank. The partition piece is provided with a water passing hole, and a valve mechanism capable of being opened and closed is arranged at the water passing hole. The flexible member is disposed at the bottom of the main sump for breaking up the hardening material attached to the bottom of the main sump. The power source is used for enabling the flexible piece to deform, and when the flexible piece deforms, the flexible piece acts on the hardening and can crush the hardening. In the process of using the tank body, a sediment accumulation layer is formed on the flexible piece. When the bottom of the pool is required to be washed, the flexible air bag can be deformed, at the moment, the plate is crushed under the action of the flexible air bag to become common accumulated sludge which is easy to wash, the valve mechanism is opened, and the washing water in the water storage chamber flows out from the water through hole under the action of gravity to form jet flow so as to roll and wash the bottom of the main pool.
Description
Technical Field
The invention relates to the technical field of drainage, in particular to a pool bottom sediment accumulation hardening and removing system.
Background
In the drainage engineering, 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 water passing tanks such as a reservoir, a regulating reservoir and a regulating reservoir. As sediment, pollutants and the like in the water body can be deposited at the bottom of the tank, a sediment layer can be formed after a long time. The presence of such deposits causes the following problems: on one hand, the accumulated sludge occupies the volume of the tank body, so that the available volume of the tank body is reduced, and the system function is affected; the other area of the sludge can generate toxic and malodorous gas, thereby greatly influencing the safety of personnel and the surrounding environment.
In order to solve the problems, solutions of flushing the bottom of the tank by means of flushing devices are generally adopted at present, and although the flushing devices can flush the loose parts of the deposited surface, the sediment with larger density at the bottom of the deposited surface cannot be flushed effectively, and thick and compact plate-like substances with solid surfaces can be formed at the bottom of the tank by the non-flushed deposited sediment, so that the cleaning of the bottom of the tank is plagued.
At present, the plate structures at the bottom of the pool are generally cleaned manually, but the bottom of the pool is positioned underground, and the plate structures at the bottom of the pool are cleaned manually, so that the following problems exist:
1. the manual cleaning of the hardening is more labor-intensive.
2. The danger of working in limited space under the ground is extremely high, and the operation of mechanical equipment is difficult.
3. Manual cleaning hardening is required to be carried out under the condition of no water in the tank, and the tank body is taken as an important component part of the drainage system, so that the drainage system is stopped when the tank is emptied, and the urban drainage system is seriously affected.
Disclosure of Invention
Aiming at the situation, the invention provides a pool bottom sediment accumulation plate hardening and removing system to solve the technical problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a pool bottom sediment accumulation and hardening and removing system mainly comprises: cell body, flexible piece and power supply.
The interior of the tank body is partitioned by a partition member to form a water storage chamber and a main water tank. The partition piece is provided with a water passing hole, and a valve mechanism capable of being opened and closed is arranged at the water passing hole.
The flexible member is disposed at the bottom of the main sump for breaking up the hardening material attached to the bottom of the main sump.
The power source is used for enabling the flexible piece to deform, and when the flexible piece deforms, the flexible piece acts on the hardening and can crush the hardening.
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, there are a plurality of flexible bladders that are discretely distributed at the bottom of the main sump.
In one embodiment of the invention, the flexible air bag of any one is provided with at least one air tap, and the air pump is communicated with the air tap through the main air pipe, the air distribution pipe and the bronchus in sequence.
In one embodiment of the invention, the bottom of the main basin has a plurality of recesses. The flexible bladder is laid in the recess along the interior contour of the recess, with the remainder of the space in the recess being used to accommodate the hardening product, except for the space occupied by the flexible bladder.
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 is mounted in the recess in a predetermined shape, the support member being adapted to support the flexible member, the support member being shaped to match the recess.
In one embodiment of the invention, the support is removably mounted within the recess.
In one embodiment of the invention, the bottom of the main basin is fitted with a support member arranged in a predetermined shape for supporting the flexible member, the shape of the support member matching that of the flexible member.
In one embodiment of the invention, the pool bottom sediment accumulation plate knot removal system further comprises: liquid level sensor and controlling means. 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.
The embodiment of the invention has at least the following advantages or beneficial effects:
in the process of using the tank body, a sediment accumulation layer is formed on the flexible piece. When the bottom of the pool is required to be washed, the flexible air bag can be deformed, at the moment, the plate is crushed under the action of the flexible air bag to become common accumulated sludge which is easy to wash, the valve mechanism is opened, and the washing water in the water storage chamber flows out from the water through hole under the action of gravity to form jet flow so as to roll and wash the bottom of the main pool.
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 that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a pool bottom sediment accumulation plate knot breaking system;
FIG. 2 is a schematic diagram of a pool bottom sediment accumulation and hardening breaking system when the flexible member is inflated;
FIG. 3 is a schematic view of the structure of the crushed plate;
FIG. 4 is a schematic view of the structure of the flushing plate when the crushed material is crushed;
FIG. 5 is a schematic view of the structure of the flexure when not inflated;
FIG. 6 is a schematic view of the structure of the flexible member when inflated;
fig. 7 is a schematic view of the structure of the flexible member and the support member.
Icon: 11-pool body, 111-separating piece, 112-water storage chamber, 113-main pool, 114-pool bottom, 115-water passing hole, 116-valve plate, 117-concave part, 13-flexible piece, 131-flexible air bag, 132-air tap, 133-supporting piece, 151-main air pipe, 152-air distribution pipe, 153-branch air pipe, 154-liquid level sensor, 155-control device and 156-air pump.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present 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 explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art according to specific circumstances.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
In the drainage engineering, 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 water passing tanks such as a reservoir, a regulating reservoir and a regulating reservoir. As sediment, pollutants and the like in the water body can be deposited at the bottom of the tank, a sediment layer can be formed after a long time. The presence of such deposits causes the following problems: on one hand, the accumulated sludge occupies the volume of the tank body, so that the available volume of the tank body is reduced, and the system function is affected; the other area of the sludge can generate toxic and malodorous gas, thereby greatly influencing the safety of personnel and the surrounding environment.
In order to solve the problems, solutions of flushing the bottom of the tank by means of flushing devices are generally adopted at present, and although the flushing devices can flush the loose parts of the deposited surface, the sediment with larger density at the bottom of the deposited surface cannot be flushed effectively, and thick and compact plate-like substances with solid surfaces can be formed at the bottom of the tank by the non-flushed deposited sediment, so that the cleaning of the bottom of the tank is plagued.
At present, the plate structures at the bottom of the pool are generally cleaned manually, but the bottom of the pool is positioned underground, and the plate structures at the bottom of the pool are cleaned manually, so that the following problems exist:
1. the manual cleaning of the hardening is more labor-intensive.
2. The danger of working in limited space under the ground is extremely high, and the operation of mechanical equipment is difficult.
3. Manual cleaning hardening is required to be carried out under the condition of no water in the tank, and the tank body is taken as an important component part of the drainage system, so that the drainage system is stopped when the tank is emptied, and the drainage system in cities is seriously endangered.
Referring to fig. 1-7, in order to solve the above-mentioned problems, the present embodiment provides a pool bottom sediment accumulation and hardening breaking system, which mainly includes: the device comprises a tank body 11, a flexible piece 13 and a power source, wherein the flexible piece 13 is used for crushing a plate.
The inside of the tank 11 is partitioned by a partition 111 to form a water storage chamber 112 and a main water tank 113. The cell body 11 may be formed by concrete casting, for example. The bottom of the main water tank 113 is a tank bottom 114, the partition 111 is provided with a water passing hole 115, the water passing hole 115 is provided with a valve mechanism capable of being opened and closed, and the valve mechanism at least comprises a valve plate 116 capable of being opened and closed. By opening the valve plate 116, the flushing water in the reservoir 112 can enter the main sump 113. Valve plate 116 may be hydraulically driven, for example, and valve plate 116 driven by hydraulic pressure has the advantages of simple structure, convenient maintenance, safety, reliability, etc. The valve mechanism can be made of metal and nonmetal materials with rust resistance and corrosion resistance, and is durable and long in service life.
The flexible member 13 serves to break up the plate material attached to the tank bottom 114, and the flexible member 13 may mainly include a flexible bladder 131. The shape of the flexible bladder 131 is variable, and after the shape of the flexible bladder 131 is changed, the flexible bladder 131 can act on the panel to break the panel.
The power source is used to deform the flexible member 13, and may include, in principle, an air pump 156.
During use of the cell body 11, a sediment layer is formed on the flexible bladder 131. When the bottom 114 of the flushing tank is required, the flexible air bag 131 can be inflated by the air pump 156 to deform the flexible air bag 131, at the moment, the plate is crushed under the action of the flexible air bag 131 to become common accumulated sludge which is easy to flush, the valve plate 116 is opened, and flushing water in the water storage chamber 112 flows out from the water passing hole 115 under the action of gravity to form jet flow so as to roll and flush the bottom 114 of the main water tank 113.
From the above, when the plate is crushed, the mechanical equipment does not need to be manually moved into the bottom 114 of the tank to operate, so that the workload is reduced and the safety is improved. When the plate is crushed, the water in the main water tank 113 does not need to be emptied, so that the normal operation of the urban drainage system is ensured. In addition, through the cooperation of the flexible piece 13, the water storage chamber 112 and the valve mechanism, the sewage with higher concentration at the lower part in the main water tank 113 and the sewage with lower concentration at the upper part can be stirred and mixed to form a water body with uniform concentration, so that the impact of the uneven water body concentration on a drainage system is reduced.
In this embodiment, the flexible air bag 131 has an air tap 132 thereon to facilitate the air filling into the flexible air bag 131. The number of air nozzles 132 may be plural in order to enhance the efficiency of inflating and deflating the flexible bladder 131. The air pump 156 is communicated with the air tap 132 through the main air pipe 151, the air distribution pipe 152 and the bronchus 153 in sequence, and the air tap 132 corresponds to the bronchus 153 one by one. The air pump 156 is installed outside the tank 11 to facilitate maintenance and repair of the air pump 156.
It should be noted that there may be a plurality of flexible air bags 131 or only one flexible air bag 131 at the bottom 114 of the tank, and when there is only one flexible air bag 131, the flexible air bag 131 preferably covers the entire bottom 114 of the tank; when there are a plurality of flexible air bags 131, the flexible air bags 131 may be uniformly distributed on the bottom 114 of the tank, or may be discretely distributed on the bottom 114 of the tank, and in order to ensure the effect of breaking the plate-like substance by the flexible air bags 131, in this embodiment, it is preferable that the flexible air bags 131 be uniformly distributed on the bottom 114 of the tank.
The tank bottom 114 has a plurality of recesses 117 for receiving the plate formations, and the tank bottom 114 may be wave-shaped, for example. When the flexible airbag 131 is not inflated, the flexible airbag 131 can be laid in the concave portion 117 along the inner contour of the concave portion 117, and at this time, the space of the concave portion 117 is used for accommodating the hardening substance except the space occupied by the flexible airbag 131 in the concave portion 117; the flexible bladder 131 may also occupy the entire space of the recess 117, where the panel structure does not easily enter the recess 117. That is, the sediment and the plate may be gathered in the recess 117 or may be located outside the recess 117, and the flexible bladder 131 may be supported under the sediment and the plate when the sediment and the plate are located outside the recess 117 or inside the recess 117. In this embodiment, in order to ensure the crushing effect on the plate-like objects, it is preferable to accumulate the sediment and the plate-like objects in the concave portion 117 to facilitate crushing and washing of the plate-like objects.
The tank bottom 114 is mounted with a support member 133 arranged in a predetermined shape, and the support member 133 is used to support the flexible member 13 so as to collect sediment and plate accumulation in the recess 117. The support 133 is arranged in a predetermined shape, meaning that the shape of the support 133 matches the shape of the recess 117, i.e. the support 133 may be arranged according to the shape of the recess 117, e.g. when the shape of the recess 117 is V-shaped, the support 133 is also V-shaped. The present embodiment is not limited to the specific shape of the recess 117, and a user may reasonably select as desired.
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, to facilitate the disassembly 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 level sensor may also be provided in the main sump 113 to facilitate monitoring of changes in the level of the liquid in the main sump 113.
The pool bottom sediment accumulation and hardening breaking system can further comprise a control device 155, wherein 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 liquid level change. The control device 155 is arranged outside the tank body 11, so that the control device 155 can be overhauled and maintained conveniently.
The pool bottom sediment accumulation hardening and removing system only needs to detect the liquid level in daily work and has the advantages of low energy consumption, low noise and the like.
With the above structure, the working principle of the pool bottom sediment flushing system will be described in detail.
When the system is in a normal working state, the flexible air bag 131 is not inflated, the flushing device is closed to cover the water passing hole 115, a certain amount of flushing water is stored in the water storage chamber 112, and pollutants in the water body in the main water tank 113 slowly settle into the concave part 117 of the wave-shaped tank bottom 114 and are 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 a set value, the control device 155 sends an inflation signal, the air pump 156 is started, the air pipe 152 is inflated to the air pipe 152 through the main air pipe 151, the air pipe 152 is respectively inflated to the flexible air bags 131 through the plurality of branch air pipes 153, the flexible air bags 131 are deformed, at the moment, the plate is crushed under the action of the flexible parts 13 to become common accumulated sludge which is easy to be flushed, the valve plate 116 is opened again, and the flushing water in the water storage chamber 112 flows out from the water passing holes 115 under the action of gravity to form jet flow so as to roll and flush the bottom 114 of the main water tank 113.
When the plate is broken, the flexible air bag 131 is intermittently inflated and deflated, so that the flexible air bag 131 is periodically deformed, and the efficiency of breaking the plate is improved.
In order to ensure the effect of breaking the hardening, the control device 155 makes the air pump 156 in a continuously inflated state for a certain period of time, and the surface of the inflated flexible air bag 131 is flat.
After the flushing is finished, the control device 155 sends out a signal to enable the valve plate 116 to be closed, the flexible air bag 131 is exhausted under the elastic action of materials, the water storage chamber 112 stores water again, and the system is restored to an initial state and is ready for the next work. The flexible air bag 131 can exhaust air through the elasticity of materials, and external energy driving is not needed, so that the energy is saved and the environment is protected.
Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art, and the embodiments and features of the embodiments of the present application may be arbitrarily combined with each other without collision. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A pool bottom sediment accumulation and hardening and removing system, comprising: the device comprises a tank body, a flexible piece and a power source;
the inside of the tank body is partitioned by a partition piece to form a water storage chamber and a main water tank; the partition piece is provided with a water passing hole, 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 tank and is used for crushing the plate matters attached to the bottom of the main water tank;
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 fastener and can crush the plate fastener;
the flexible piece comprises a plurality of flexible air bags which are discretely distributed at the bottom of the main water tank; the bottom of the main water tank 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 except the space occupied by the flexible air bag in the concave part is used for accommodating the hardening matters;
at least one air tap is arranged on the upper side of any flexible air bag; the power source comprises an air pump, and the air pump is communicated with the air tap through a main air pipe, an air distribution pipe and a bronchus in sequence.
2. The pool bottom accumulation and hardening breaking system according to claim 1, wherein a support member provided in a predetermined shape is installed in the recess, the support member being for supporting the flexible member, the support member being shaped to match the recess.
3. The pool bottom accumulation plate breaker system of claim 2, wherein the support is removably mounted within the recess.
4. The pool bottom sediment accumulation and hardening removal system as in claim 1, wherein a support member is mounted to the bottom of the main pool in a predetermined shape for supporting the flexible member, the support member having a shape matching the flexible member.
5. The pool bottom accumulation and hardening removal system of any of claims 1-4, further comprising: liquid level sensor and 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.
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CN202111202284.9A CN114033026B (en) | 2021-10-15 | 2021-10-15 | Pool bottom accumulated silt hardening and removing system |
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CN202111202284.9A CN114033026B (en) | 2021-10-15 | 2021-10-15 | Pool bottom accumulated silt hardening and removing system |
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CN109750741A (en) * | 2019-01-24 | 2019-05-14 | 无锡市政设计研究院有限公司 | A kind of inflatable catch-basin dredging structure and its dredging method |
WO2020214090A1 (en) * | 2019-04-15 | 2020-10-22 | Massachusetts Institute Of Technology | Submersible device for sediment accumulation |
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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