CN107165260B - Sludge cleaning method for rainwater pump station - Google Patents
Sludge cleaning method for rainwater pump station Download PDFInfo
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- CN107165260B CN107165260B CN201710411568.6A CN201710411568A CN107165260B CN 107165260 B CN107165260 B CN 107165260B CN 201710411568 A CN201710411568 A CN 201710411568A CN 107165260 B CN107165260 B CN 107165260B
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- 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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/26—Installations for stirring-up sewage
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- 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
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- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
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- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a method for cleaning sludge of a rainwater pump station, which comprises the following steps: (1) stopping the operation of all equipment of the rainwater pumping station, and plugging the water outlets of the rainwater pipeline; (2) pumping the sewage in the pump station tank through a submersible pump until the sewage in the pump station tank is completely pumped; (3) detecting the content of toxic gas in the pump well through a toxic gas detector, and flushing and/or cutting sludge in the pump station pool from inside to outside when no toxic gas exists in the pump well or the content of the toxic gas reaches the standard; (4) the sewage suction truck extends into the pump well through a sewage suction pipeline to suck and clean sludge in the rainwater pump station; (5) and (5) repeating the steps (2) to (4) until the sludge in the rainwater pumping station is cleaned completely. The method for cleaning the sludge in the rainwater pump station can conveniently and quickly clean the sludge in the rainwater pump station, and improves the efficiency of cleaning the sludge in the rainwater pump station.
Description
Technical Field
The invention relates to the technical field of sludge cleaning, in particular to a sludge cleaning method for a rainwater pump station
Background
With the development of the technology and the acceleration of the urbanization process, the vigorous development of the sponge city has important significance on waterlogging encountered in the development of the city. The rainwater pumping station is of great significance to urban rainwater prevention and urban non-domestic water supply. The rainwater pump station has been widely used in the city, and after the rainwater pump station is used for a long time, because sundries in rainwater are continuously accumulated in the pump station pool, the rainwater in the pump station pool is odorous and pollutes the rainwater in the pump station pool, and even the rainwater is dangerous to use in the downstream. Therefore, the existing rainwater pump station needs to perform sludge cleaning at irregular intervals, the cleaning time is often prolonged by the method generally adopted in the existing rainwater pump station sludge cleaning process, the sludge cleaning efficiency is low, the cleaning is not thorough enough, the rainwater pump station needs to be cleaned again after sludge cleaning is performed, and the operation of the rainwater pump station is influenced while a large amount of manpower and material resources are wasted.
Therefore, in order to solve the above technical problems, there is a need for a sludge cleaning method of a rainwater pumping station, which can conveniently, quickly, efficiently and thoroughly perform sludge cleaning.
Disclosure of Invention
The invention aims to provide a sludge cleaning method of a rainwater pump station, wherein the rainwater pump station comprises a pump station pool, a rainwater pipeline, a rainwater well, a submersible pump and a pump well, wherein the rainwater pipeline extends to the pump station pool and is communicated with the pump station pool;
the method for cleaning the sludge of the rainwater pumping station comprises the following steps:
(1) stopping the operation of all equipment of the rainwater pump station, plugging the water outlet of a rainwater pipeline and ensuring that no external water enters the pool of the pump station;
(2) pumping sewage in the pump station tank through a submersible pump until the sewage in the pump station tank is completely pumped, and continuously exhausting air to a pump well where the submersible pump is located;
(3) detecting the content of toxic gas in the pump well through a toxic gas detector, flushing and/or cutting sludge in the pump station tank from inside to outside when no toxic gas exists in the pump well or the content of the toxic gas reaches the standard, and blowing air into the pump station tank continuously;
(4) starting a sludge stirring device, inserting the stirring knife into the sludge to stir the washed and/or cut sludge, and extending a sewage suction truck into a pump well through a sewage suction pipeline to suck and clean the sludge in the rainwater pump station;
(5) and (5) repeating the steps (2) to (4) until the sludge in the rainwater pump station is cleaned, opening the plug of the rainwater pipeline, and recovering the operation of the rainwater pump station.
Preferably, the soil pick-up car adopts the combined soil pick-up car, the combined soil pick-up car includes automobile body and sludge suction system, the automobile body includes load-bearing platform, sludge suction system includes the sludge tank, sludge tank bottom one end with load-bearing platform is articulated, the sludge tank bottom other end through scissors formula lifting mechanism with load-bearing platform connects, makes the sludge tank is relative load-bearing platform rotates.
Preferably, the sludge suction system further comprises a three-stage centrifugal fan, and an exhaust outlet and a sludge inlet are formed at the top end of the sludge tank; the third-stage centrifugal fan is communicated with the exhaust outlet through an air suction pipe, and the sludge inlet is communicated with a sewage suction pipe;
preferably, the sludge suction system further comprises an auxiliary sludge tank and an auxiliary sewage suction pipe, wherein a first interface of the auxiliary sewage suction pipe is communicated with the sewage suction pipe, a second interface of the auxiliary sewage suction pipe is communicated with the sewage suction pipe, and a side pipe communicated with the auxiliary sludge tank is arranged on one side of the auxiliary sewage suction pipe.
Preferably, the method for plugging the rainwater pipeline comprises pipe plug plugging, bricklaying plugging and gate plugging.
Preferably, the pump well is continuously exhausted for 24 hours by an exhaust fan.
Preferably, the air is continuously blown into the pump station pool for 24 hours by the air blower without interruption.
Preferably, the sludge is subjected to a cutting process using a high pressure washing lance.
Preferably, the method for plugging the rainwater pipeline adopts a pipe plug for plugging, and a safety test for water leakage is carried out for 4-6 hours after the pipe plug is installed on the rainwater pipeline.
Preferably, the rainwater pipeline plugging method adopts bricking plugging, and the bricking wall is subjected to solidification treatment for 20-22 hours.
Preferably, the toxic gas detector is a GasAlertMicroClip four-in-one toxic gas detector-BW.
Preferably, the pump station pond is divided into a plurality of unit areas from inside to outside, and according to the unit areas stir and suck and clear up silt from inside to outside in proper order.
Preferably, the submersible pump is a 7.5KW submersible pump.
The sludge cleaning method for the rainwater pump station provided by the invention has the advantages of convenience and rapidness in sludge cleaning, high efficiency, thorough cleaning, effective saving of manpower and material resources, no need of frequent sludge cleaning for the rainwater pump station and guarantee of operation of the rainwater pump station.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
Further objects, features and advantages of the present invention will become apparent from the following description of embodiments of the invention, with reference to the accompanying drawings, in which:
FIG. 1 is a rainwater pumping station structure using the sludge cleaning method of the rainwater pumping station of the present invention;
FIG. 2 is a plan view of the stirring device of the present invention;
FIG. 3 is a cross-sectional view of the stirring device of the present invention;
FIG. 4 is a schematic structural view of the combined soil pick-up truck of the present invention;
FIG. 5 is a schematic view of a sludge tank sewage suction process of the combined sewage suction truck of the invention;
FIG. 6 is a schematic view of the combined sewage suction truck for assisting the combined sewage suction process of the sludge tank and the sewage suction pipe;
fig. 7 is a schematic structural diagram of a scissor type lifting mechanism of the combined sewage suction truck.
Detailed Description
The objects and functions of the present invention and methods for accomplishing the same will be apparent by reference to the exemplary embodiments. However, the present invention is not limited to the exemplary embodiments disclosed below; it can be implemented in different forms. The nature of the description is merely to assist those skilled in the relevant art in a comprehensive understanding of the specific details of the invention.
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.
The sludge cleaning method of the rainwater pump station is described below with reference to specific embodiments, and the sludge cleaning method provided by the invention is adopted for different pump stations due to different specification operation time of the pump station, but the sludge cleaning method provided by the invention improves the sludge cleaning efficiency and ensures thorough cleaning through multiple cleaning of washing, cutting and stirring and continuous operation. The invention provides a sludge cleaning method for a rainwater pump station, which exemplarily provides the following examples for different rainwater pump stations and cleaning operation time:
(1) specification of a rainwater pumping station:
the length of the pump station pool is 38 meters, the width is 16 meters, the depth of the mud is 1.5 meters, and the amount of the mud is 912 meters3. The water inlet pipes are arranged in two rows d2200, and the water depth is 4.8 m. Cleaning time: and 6 days.
(2) Specification of a rainwater pumping station:
the pump station pool is 22 meters long, 20 meters wide, 2 meters deep and 880m sludge3. The water inlet pipes are arranged in two rows d2400, and the water depth is 3.6 m. Cleaning time: and 6 days.
(3) Specification of a rainwater pumping station:
the length of the pump station pool is 30 meters, the width is 23 meters, the depth of the mud is 2 meters, and the amount of the mud is 1380m3. The water inlet pipes are arranged in two rows d2600, and the water depth is 3.3 m. Cleaning time: 4 days.
(4) Specification of a rainwater pumping station:
a circular pool with a diameter of 18 meters, a mud depth of 2 meters and a mud amount of 508.68m3And the water inlet pipes are arranged in two rows d2200 and the water depth is 4 meters. Cleaning time: and 5 days.
In the following, a concrete embodiment of a method for cleaning sludge in a rainwater pumping station according to the present invention is further explained, as shown in fig. 1, in an embodiment of a rainwater pumping station using the method for cleaning sludge in a rainwater pumping station according to the present invention, the rainwater pumping station requiring sludge cleaning includes a pumping station pool 101, a rainwater pipe 103, a rainwater well 105, a submersible pump 104 and a pumping well 102, wherein the rainwater pipe 103 extends to the pumping station pool 101 and is communicated with the pumping station pool, a grid 106 for blocking impurities in rainwater is disposed at a rainwater pipe outlet 1031, the submersible pump 104 is disposed at the bottom of the pumping well 102, and the pumping well 102 is communicated with the pumping station pool 101. When the rainwater pump station is used for a long time, rainwater enters the rainwater pump station from the rainwater well, a large amount of sludge can be deposited in the pump station pool 101, and the sludge in the rainwater pump station is cleaned according to the sludge cleaning method provided by the invention.
According to the rainwater pump station sludge cleaning method provided by the invention, the cleaning method in the embodiment comprises the following steps:
(1) all equipment of the rainwater pumping station stops working, a water outlet 1031 of the rainwater pipeline 103 is blocked, it is guaranteed that no external water enters the pumping station pool 101, a pipe plug is adopted in the blocking method of the rainwater pipeline 103, and a water leakage safety test is carried out for 4-6 hours after the pipe plug is installed on the rainwater pipeline 103. Specifically, the method for plugging the rainwater pipeline 103 includes pipe plug plugging, brick laying plugging and gate plugging, and in this embodiment, the pipe plug is used for plugging. In some embodiments, the rainwater pipeline is plugged by brickwork, the brickwork wall is solidified for 20-22 hours, and subsequent cleaning operation is performed after the plugged brickwork wall is solidified.
(2) The sewage in the pump station pool 101 is pumped by the submersible pump 104, the sewage in the pump station pool 101 and the pump well 102 is pumped by the submersible pump pipeline 1041 through the submersible pump 104 until the sewage in the pump station pool 101 is completely pumped, and simultaneously the pump well 102 where the submersible pump 104 is located is continuously exhausted, in the embodiment, the pump well is continuously exhausted for 24 hours by the exhaust fan, and the submersible pump is preferably a 7.5KW submersible pump.
(3) The toxic gas content in the pump well 102 is detected through a toxic gas detector, when no toxic gas exists in the pump well 102 or the toxic gas content reaches the standard, the sludge in the pump station pool 101 is washed and/or cut from inside to outside, meanwhile, air is continuously blown into the pump station pool, and in the embodiment, the air is continuously blown into the pump station pool for 24 hours through the air blower. The inside-out is to wash and/or cut sludge from the water inlet end of the pump station pool 101 to the pump well 102. Preferably, when the ultra-large plate hard sludge exists in the pump station pool 101, the sludge is subjected to cutting treatment by using a high-pressure flushing spray gun. The poison gas detector is preferably a GasAlertMicroClip four-in-one poison gas detector-BW.
(4) The sludge stirring device is started, a plurality of unit areas are divided from inside to outside in the pump station pool, and sludge is stirred and sucked and cleaned in sequence from inside to outside according to the unit areas. Fig. 2 is a plan view of the stirring device of the present invention, and fig. 3 is a sectional view of the stirring device of the present invention. The stirring device has a conical housing 201, a stirring blade 202 and a central shaft 203, and the bottom of the housing 201 is provided with a blade 204 for facilitating the insertion of sludge. Stirring sword 202 inserts silt stirring and washes and/or the silt after the cutting along with agitating unit's shell 201, and silt 1011 after the stirring is fluffy form by agitating unit's shell 201's opening and spills over, and the soil pick-up car stretches into the pump well 102 through soil pick-up pipeline 107 and carries out the suction clearance to the silt in the rainwater pump station, and silt 1012 after the stirring is inhaled the soil pick-up pipeline under the high pressure of soil pick-up car.
(5) And (5) repeating the steps (2), (3) and (4) until the sludge in the rainwater pump station is cleaned, opening a plugging pipe plug of the rainwater pipeline, and recovering the operation of the rainwater pump station.
The structure and the sewage suction process of the combined sewage suction truck adopted by the present invention are explained below, and as shown in fig. 4, the overall structure of the combined sewage suction truck of the present invention provides a combined sewage suction truck, which comprises a truck body 50 and a sludge suction system 40. Wherein
The vehicle body 50 comprises a bearing platform 501, and the sludge suction system 40 comprises a sludge tank 401, a three-stage centrifugal fan 402, a sewage suction pipe 405, an auxiliary sludge tank 404 and an auxiliary sewage suction pipe 406.
One end of the bottom of the sludge tank 401 is hinged to the bearing platform 501 through a hinge 502, and the other end of the bottom of the sludge tank 501 is connected with the bearing platform 501 through a scissor-type lifting mechanism 403, so that the sludge tank 401 rotates relative to the bearing platform 501. One end of the sludge tank 401 is provided with a sealing cover 4011, and the opening and closing of the sealing cover 4011 are controlled by a full hydraulic control device. When the process of dumping the sludge in the sludge tank, the sludge tank 401 rotates relative to the bearing platform 501, the sealing cover 4011 at one end of the sludge tank 401 is opened, and the automatic discharge of the sludge is realized.
The top end of the sludge tank 401 is provided with an exhaust outlet 4013 and a sludge inlet 4012; the tertiary centrifugal fan 402 is communicated with an exhaust outlet 4013 through an air suction pipe 4021, and a sludge inlet 4012 is communicated with a sewage suction pipe 405. The first interface 4061 of the auxiliary sewage suction pipe 406 is communicated with the sewage suction pipe 405, the second interface 4062 of the auxiliary sewage suction pipe 406 is communicated with the sewage suction pipe 405, and one side of the auxiliary sewage suction pipe 406 is provided with a side pipe 407 communicated with the auxiliary sludge tank 404, so that liquid sewage in sludge enters the auxiliary sludge tank 404 through the auxiliary sewage suction pipe 406 and the side pipe 407.
Fig. 5 is a schematic view of a sewage suction process of a sludge tank of the combined sewage suction truck according to the present invention, fig. 6 is a schematic view of a combined sewage suction process of an auxiliary sludge tank and a sewage suction pipe of the combined sewage suction truck according to the present invention, and the sewage suction process according to the present invention will be described with reference to fig. 4 to 6. The working process of the combined sewage suction truck provided by the invention comprises the steps of firstly starting the three-stage centrifugal fan 402, and pumping out gas A in a sludge tank 401 from an exhaust outlet 4013 through an air suction pipe 4021 under the action of the three-stage centrifugal fan 402 to form vacuum negative pressure. At this time, substances such as sewage can be pressed into the sewage suction pipe 405 to a certain height under the action of atmospheric pressure. Meanwhile, under the action of the three-stage centrifugal fan 402, air in the atmosphere is sucked into the sewage suction pipe 405 at a high speed through the air inlet 4052 at the lower part of the sewage suction pipe 405, and the high-speed air flow in the sewage suction pipe 405 carries substances such as sewage B and the like to continuously rise and enter the sludge tank 401 through the sludge inlet 4012. Preferably, in this embodiment, a hydraulic control valve is disposed in the air intake pipe 4021 to control the suction wind power of the tertiary centrifugal fan 402. In this embodiment, a liquid level meter is installed on one side of the sludge tank 401 and used for identifying the position of sludge in the sludge tank 401. The three-stage centrifugal fan 402 selected by the invention is twice as large as a common vacuum pump, has super-large air flow and has quick loading performance.
According to the combined sewage suction truck provided by the invention, the sewage suction pipe 405 is provided with the first valve 4051 between the first interface 4061 of the auxiliary sewage suction pipe 406 and the second interface 4062 of the auxiliary sewage suction pipe 406. The auxiliary suction pipe 406 is provided with a second valve 4063, and a nozzle 4064 is provided at the connection between the auxiliary suction pipe 406 and the side pipe 407. An induced draft fan 408 is arranged on one side of the auxiliary sludge tank 404, and the induced draft fan 408 is communicated with the auxiliary sludge pipe 406. In the above-mentioned soil pick-up process, when the moisture is more in the mud of suction, when the large granule solid is less, or when need carry out a period of suction to moisture in soil pick-up earlier stage, need start supplementary soil pick-up. The first valve 4051 and the second valve 4063 are closed, the induced draft fan 408 is started to pump out air in the auxiliary sludge tank 404, sewage is pressed into the sewage suction pipe 405 to a certain height by atmosphere, under the action of the induced draft fan 408, air in the atmosphere is sucked into the sewage suction pipe 405 at a high speed due to the air inlet 4052 at the lower part of the sewage suction pipe 405, the high-speed air flow in the sewage suction pipe 405 carries the substances such as sewage B and the like to continuously rise, the substances enter the auxiliary sewage suction pipe 406 through the second interface 4062 of the auxiliary sewage suction pipe 406, liquid sewage is sprayed to the side pipe 407 through the nozzle 4064 due to the air pressure formed at two sides of the nozzle 4064, and then enters the auxiliary sludge tank 404, and the auxiliary sludge tank 404 collects liquid sewage. When the vertical suction distance of sludge to be sucked is large, the combined sewage suction truck provided by the invention simultaneously sucks the sludge through the sewage suction pipe 405 and the auxiliary sewage suction pipe 406. The first valve 4051 and the second valve 4063 are opened, the three-stage centrifugal fan 402 and the induced draft fan 408 are started, and impurities in the sludge are pressed to a certain height of the sewage suction pipe 405 under the action of the atmospheric pressure. Meanwhile, under the action of the three-stage centrifugal fan 402 and the induced draft fan 408, air in the atmosphere is sucked into the sewage suction pipe 405 at a high speed due to the air inlet 1052 at the lower part of the sewage suction pipe 405, high-speed air flow in the sewage suction pipe 405 carries substances such as sewage B to continuously rise, and due to different pressures at two sides of the nozzle 4064 in the auxiliary sewage suction pipe 406, a part of liquid sewage enters the auxiliary sewage suction pipe 406 and then enters the auxiliary sludge tank 404 through the side pipe 407. A portion of the solid debris with large particles continues to rise within the soil pick-up pipe 405 until it enters the sludge tank 401. The combined sewage suction truck effectively separates mud and water through the sewage suction process.
Preferably, a mud-water filter plate is arranged in the auxiliary sludge tank 404, and a gauze is laid on the mud-water filter plate; a liquid level meter is arranged on one side of the auxiliary sludge tank 404 and is used for identifying the liquid level of sludge in the auxiliary sludge tank; one end of the auxiliary sludge tank 404 is provided with a sealing cover, and the opening and the closing of the sealing cover are controlled by a full hydraulic control device.
As shown in fig. 4, the scissors type lifting mechanism of the combined sewage suction truck of the present invention has a schematic structural view, the scissors type lifting mechanism includes a support plate 4031 and mutually intersecting support bars, a rotation shaft 4032 is provided between the mutually intersecting support bars, and the rotation shaft 4032 is connected to a hydraulic cylinder 4033. When sludge in the sludge tank 401 needs to be dumped, the hydraulic cylinder 4033 is lifted to drive the support rod to rotate around the rotating shaft 4032 relatively, so that the support plate 4031 is driven to be lifted, and the sludge tank 401 is inclined to dump the sludge.
The sludge cleaning method for the rainwater pump station provided by the invention has the advantages of convenience and rapidness in sludge cleaning, high efficiency, thorough cleaning, effective saving of manpower and material resources, no need of frequent sludge cleaning for the rainwater pump station and guarantee of operation of the rainwater pump station.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (7)
1. A sludge cleaning method of a rainwater pump station is characterized in that the rainwater pump station comprises a pump station pool, a rainwater pipeline, a rainwater well, a submersible pump and a pump well, wherein the rainwater pipeline extends to the pump station pool and is communicated with the pump station pool;
the method for cleaning the sludge of the rainwater pumping station comprises the following steps:
(1) stopping the operation of all equipment of the rainwater pump station, plugging the water outlet of a rainwater pipeline and ensuring that no external water enters the pool of the pump station;
(2) pumping sewage in the pump station tank through a submersible pump until the sewage in the pump station tank is completely pumped, and continuously exhausting air to a pump well where the submersible pump is located;
(3) detecting the content of toxic gas in the pump well through a toxic gas detector, flushing and/or cutting sludge in the pump station tank from inside to outside when no toxic gas exists in the pump well or the content of the toxic gas reaches the standard, and blowing air into the pump station tank continuously;
(4) starting a sludge stirring device, inserting the stirring knife into the sludge to stir the washed and/or cut sludge, and extending a sewage suction truck into a pump well through a sewage suction pipeline to suck and clean the sludge in the rainwater pump station;
(5) repeating the steps (2) to (4) until the sludge in the rainwater pump station is completely cleaned, opening the plug of the rainwater pipeline, and recovering the operation of the rainwater pump station;
the sewage suction truck adopts a combined sewage suction truck, the combined sewage suction truck comprises a truck body and a sludge suction system, the truck body comprises a bearing platform, the sludge suction system comprises a sludge tank, one end of the bottom of the sludge tank is hinged with the bearing platform, and the other end of the bottom of the sludge tank is connected with the bearing platform through a scissor type lifting mechanism, so that the sludge tank rotates relative to the bearing platform;
the sludge suction system also comprises a three-stage centrifugal fan, and the top end of the sludge tank is provided with an exhaust outlet and a sludge inlet; the third-stage centrifugal fan is communicated with the exhaust outlet through an air suction pipe, and the sludge inlet is communicated with a sewage suction pipe;
the sludge suction system further comprises an auxiliary sludge tank and an auxiliary sewage suction pipe, a first interface of the auxiliary sewage suction pipe is communicated with the sewage suction pipe, a second interface of the auxiliary sewage suction pipe is communicated with the sewage suction pipe, and a side pipe communicated with the auxiliary sludge tank is arranged on one side of the auxiliary sewage suction pipe.
2. The cleaning method according to claim 1, wherein the blocking method of the rainwater pipeline comprises a pipe plug blocking, a bricklaying blocking and a gate blocking.
3. A cleaning method according to claim 1, characterized in that the pump well is continuously exhausted for 24 hours by an exhaust fan and/or continuously blown into the pump station basin for 24 hours by a blower.
4. The cleaning method according to claim 1, characterized in that the sludge is subjected to a cutting treatment using a high-pressure washing lance.
5. The cleaning method according to claim 2, wherein the rainwater pipeline is plugged by a pipe plug, and a water leakage safety test is performed for 4-6 hours after the pipe plug is installed on the rainwater pipeline.
6. The cleaning method according to claim 2, wherein the rainwater pipeline is plugged by using brickwork, and the brickwork is solidified for 20-22 hours.
7. The cleaning method according to claim 1, wherein a plurality of unit areas are divided from inside to outside in the pump station pool, and the sludge is stirred and sucked and cleaned according to the unit areas from inside to outside in sequence.
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| CN108678138B (en) * | 2018-06-22 | 2020-09-11 | 上海景铭建设发展有限公司 | Urban pipeline dredging device and dredging method using same |
| CN110565790A (en) * | 2019-09-19 | 2019-12-13 | 燕山大学 | Method for comprehensively cleaning silt in sewage well without dead angle |
| FI130444B (en) * | 2021-06-30 | 2023-09-01 | Lumipower Oy | Method and apparatus for handling storm water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6448937A (en) * | 1987-08-12 | 1989-02-23 | Toyo Kankyo Kk | Dredger for sludgy soil on bottom under water |
| DE10119882A1 (en) * | 2001-04-24 | 2002-10-31 | Mueller Umwelttechnik | Vehicle for cleaning/inspecting sewerage systems and collecting/transporting silt/wet waste matter has a global positioning satellite system for detecting the vehicle's position and processing/evaluating positioning data |
| KR101104345B1 (en) * | 2009-05-22 | 2012-01-16 | 디에이치엠(주) | multipurpose dredging apparatus composed open circuit type hydraulic system |
| CN202689175U (en) * | 2012-04-24 | 2013-01-23 | 中国水电顾问集团华东勘测设计研究院 | Water collecting well desilting system |
| CN204804030U (en) * | 2015-03-25 | 2015-11-25 | 李聚恒 | Husky clearance car of multi -functional inspection shaft mud |
| CN105887958B (en) * | 2016-04-14 | 2019-03-22 | 西安科技大学 | Coal mine wellhole mud method for cleaning |
| CN205669222U (en) * | 2016-06-20 | 2016-11-02 | 四川奇尚建设工程有限公司 | A kind of sewage disposal pond desilting equipment |
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