CN115446050A - Air-water flushing system applied to water supply and drainage field and flushing method thereof - Google Patents

Air-water flushing system applied to water supply and drainage field and flushing method thereof Download PDF

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Publication number
CN115446050A
CN115446050A CN202211173938.4A CN202211173938A CN115446050A CN 115446050 A CN115446050 A CN 115446050A CN 202211173938 A CN202211173938 A CN 202211173938A CN 115446050 A CN115446050 A CN 115446050A
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China
Prior art keywords
air
pipe
tank
water
mud
Prior art date
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Pending
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CN202211173938.4A
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Chinese (zh)
Inventor
池国正
徐建华
吴利先
徐肖杰
李丽
诸葛芝
吴苏煌
李堂
池万清
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Zhejiang Lianchi Water Equipment Stock Co ltd
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Zhejiang Lianchi Water Equipment Stock Co ltd
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Application filed by Zhejiang Lianchi Water Equipment Stock Co ltd filed Critical Zhejiang Lianchi Water Equipment Stock Co ltd
Priority to CN202211173938.4A priority Critical patent/CN115446050A/en
Publication of CN115446050A publication Critical patent/CN115446050A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08Cleaning containers, e.g. tanks
    • B08B9/0856Cleaning of water-treatment installations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08Cleaning containers, e.g. tanks
    • B08B9/093Cleaning containers, e.g. tanks by the force of jets or sprays

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The invention discloses an air-water flushing system and a flushing method thereof, which are applied to the field of water supply and drainage, and comprise a filter tank, a sedimentation tank and a flocculation reaction tank which are sequentially connected, wherein the filter tank is provided with an air source, an air pipe and a water hammer-proof inverted n-shaped elbow, the sedimentation tank is provided with a sedimentation device, the flocculation reaction tank is provided with a flocculation device, a plurality of sludge discharge pipes are arranged below the sedimentation device and the flocculation device, the sludge discharge pipes are provided with holes, the sludge discharge pipes extend out of the tank body and are provided with sludge discharge valves at the outer pipe sections of the tank, and the air pipes are led out from the air pipes and are arranged at the same side of the outer pipe sections of the tank and are respectively communicated for use, so that the sludge discharge pipes have multiple functions of pollution discharge and air flushing. By depending on the existing sludge discharge system serving the flocculation reaction tank and the sedimentation tank and the existing air-water back flushing system serving the filtering tank, a pipeline is built and is respectively communicated with the sludge discharge pipe for use, so that a multifunctional function and a multifunctional system are formed, the flocculation device and the sedimentation device in the tank body are thoroughly washed clean by using air instead of water, and the sewage discharge function is kept.

Description

Air-water flushing system applied to water supply and drainage field and flushing method thereof
Technical Field
The invention belongs to the field of environmental protection water supply and drainage, and particularly relates to an air-water washing system and an air-water washing method thereof, wherein a flocculation device arranged in a flocculation tank comprises a grid reactor, a vortex flow reactor, a folded plate reactor and the like, a sedimentation device arranged in a sedimentation tank comprises an inclined pipe, an inclined plate, a shunting inclined plate and the like.
Background
At present, the conventional treatment of a water treatment plant adopts a three-stage process of flocculation, precipitation and filtration, and the processes are often in loop-to-loop connection.
The device in traditional water treatment flocculation reaction pond, the sedimentation tank is after the use period, very easily adheres a large amount of attachments, if: various algae, slurry, shellfish, garbage, various impurities and the like in the water body bring many problems of function attenuation, treatment capacity reduction, even blockage, production stop accidents and the like to the operation of a water treatment plant. Therefore, in order to recover the normal production and operation capacity of the water treatment plant, the devices in the flocculation reaction tank and the inclined plate device in the sedimentation tank need to be manually cleaned; however, because a large amount of water in the tank must be drained each time for manual cleaning, the tank can be cleaned, and the cleaning is generally carried out by adopting a high-pressure water gun; moreover, because the device is fully distributed in the tank, the tank is basically free of moving space, so that the cleaning difficulty is high and the tank is extremely inconvenient. Moreover, after being drained, the water is often only cleaned on the upper surface of the device, but not deep into the device and at the bottom. Therefore, the device in the manual cleaning pool can not be thoroughly cleaned, the effect is often poor, and the purposes of thoroughly cleaning the reaction pool and the sedimentation pool and recovering the purification function are difficult to achieve.
Disclosure of Invention
The invention aims to provide an air-water flushing system and a flushing method thereof applied to the field of water supply and drainage, which rely on the existing sludge discharge system serving a flocculation reaction tank and a sedimentation tank and an air-water back flushing system serving a filtering tank, use an air source and an air pipe of the filtering tank as pressure air conveying sources, use sludge discharge pipes of the flocculation reaction tank and the sedimentation tank as air flushing pipelines, build pipelines and communicate with the sludge discharge pipes, realize that a flocculation device and a sedimentation device in a tank body are thoroughly flushed by using water instead of gas, achieve the aim of flushing the flocculation device and the sedimentation device completely by saving time, labor, water and energy, solve the problem that the device in the flocculation reaction tank and the sedimentation tank of a water treatment plant is seriously influenced by sludge accumulation, blockage and the like, and simultaneously retain the sludge discharge function of the sludge discharge pipes.
The invention discloses an air-water flushing system applied to the field of water supply and drainage, which comprises a filter tank, a sedimentation tank and a flocculation reaction tank which are sequentially connected, wherein the filter tank is provided with an air source, an air pipe and a waterproof hammer reverse-striking n-shaped elbow for connecting the air source with the air pipe, the sedimentation tank is provided with a sedimentation device, the flocculation reaction tank is provided with a flocculation device, a plurality of sludge discharge pipes are arranged below the sedimentation device and the flocculation device, the sludge discharge pipes are provided with holes, penetrate out of the tank body and are provided with sludge discharge valves at the outer pipe sections of the tank, and gas transmission pipelines led out of the air pipe are arranged at the same side of the outer pipe sections of the tank and are respectively communicated for use, so that the sludge discharge pipes have multiple functions of sewage discharge and air flushing.
Preferably, the air source is a blower or an air compressor.
Preferably, the sludge discharge pipe penetrates and extends out of one side of the tank body or penetrates and extends out of two opposite sides of the tank body; if the air pipe penetrates and extends out of the single side, an air conveying pipeline is led out from the air pipe to the side; if the air pipe extends out from two sides, an air pipeline is respectively led out from the air pipe to the two sides.
Preferably, the mud pipe is arranged in a straight line from the pond outer pipe section that the cell body worn the extension, and gas transmission pipeline violently draws forth from the tuber pipe including violently managing and the standpipe that is located mud pipe pond outer pipe section top, violently manages the pond outer pipe section of every mud pipe and violently manages the intercommunication through the standpipe with violently, and intercommunication department is located mud valve the place ahead.
Preferably, the caliber of the transverse tube is DN 30-300, and the caliber of the vertical tube is DN 30-250.
Preferably, an air valve is arranged at one end of the transverse pipe close to the water hammer reverse-striking n-shaped elbow.
Preferably, the holes are distributed along the bottom and two sides of the sludge discharge pipe.
The invention also discloses an air-water flushing method, which comprises the following steps:
step 1: opening an air source, opening an air valve and sending pressure air to a transverse pipe;
step 2: closing a mud discharge valve, allowing pressure gas to enter a mud discharge pipe through a vertical pipe and then to be ejected out through a hole, and performing air-water washing on a flocculation device of a flocculation reaction tank and a sedimentation device of a sedimentation tank by water in a mixing tank;
and 3, step 3: and closing the air source and the air valve, opening the mud valve, and discharging the sewage through the mud pipe.
Has the beneficial effects that:
1. the air-water flushing system provided by the invention is based on the existing sludge discharging system serving a flocculation reaction tank and a sedimentation tank and the existing air-water back flushing system serving the filtration tank, takes the air source and the air pipe of the filtration tank as pressure air conveying sources, takes the sludge discharging pipes of the flocculation reaction tank and the sedimentation tank as air flushing pipelines, builds a pipeline and is communicated with the sludge discharging pipe, so that pollutants (such as sewage in a filter tank, a flocculation device and attachments on the sedimentation device) intercepted in the tank body are thoroughly flushed by using water instead of air, the aim of saving time, labor, water and energy is fulfilled, the problem that the treatment operation is seriously influenced by sludge accumulation and blockage of devices in the flocculation reaction tank and the sedimentation tank of a water treatment plant is solved, the sludge discharging function of the sludge discharging pipe is kept, and one pipe has multiple purposes.
2. The air-water flushing system provided by the invention does not need to change the structure and equipment of the existing tank body, and only needs to additionally arrange the pipeline and the air valve in or outside the tank, so that the continuity of water treatment is not influenced, and the construction cost and the material cost are greatly reduced.
3. The air-water flushing method provided by the invention is simple to operate.
Drawings
FIG. 1 is a schematic structural diagram of an air-water flushing system of the present invention.
Fig. 2 is a partially enlarged view of a in fig. 1.
Figure 3 is a front view of the air and water flushing system of the present invention.
FIG. 4 is a top view of the gas-water flushing system of the present invention.
Fig. 5 isbase:Sub>A sectional view taken along the directionbase:Sub>A-base:Sub>A of the sludge discharge pipe in fig. 4.
The labels in the figure are: the device comprises a filter tank 1, a sedimentation tank 2, a flocculation reaction tank 3, an air source 11, an air pipe 12, a water hammer reverse-beating n-shaped elbow 13, a sludge discharge pipe 4, a hole 41, a sludge discharge valve 42, an air transmission pipeline 5, a transverse pipe 51, a vertical pipe 52 and an air valve 6.
Detailed Description
The structures referred to in the present invention or these terms of art used are further described below. The description is given for the sake of example only, to illustrate how the invention may be implemented, and does not constitute any limitation on the invention.
The invention is further described with reference to the following figures and detailed description. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus are not to be construed as limitations of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "fixed" and the like are to be understood broadly, and for example, "fixed" may be fixedly connected, detachably connected, or integrated; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1-5, the invention discloses an air-water flushing system applied to the field of water supply and drainage, which comprises a filter tank 1, a sedimentation tank 2 and a flocculation reaction tank 3 which are connected in sequence, wherein the filter tank 3 is provided with an air source 11, an air pipe 12 and a waterproof hammer reverse-beating n-shaped elbow 13 for connecting the air source 11 with the air pipe 12, the sedimentation tank 2 is provided with a sedimentation device, the flocculation reaction tank 3 is provided with a flocculation device, a plurality of sludge discharge pipes 4 are arranged below the sedimentation device and the flocculation device, the sludge discharge pipes 4 are provided with holes 41, the sludge discharge pipes 4 extend out of the tank body and are provided with sludge discharge valves 42 at the outer pipe sections of the tank, and air pipelines 5 led out from the air pipe 32 and are arranged at the same side as the outer pipe sections of the tank and are respectively communicated for use, so that the sludge discharge pipes 4 have multiple functions of pollution discharge and air flushing.
Wherein, the flocculation device includes but not limited to the form of grid reactor, vortex flow reactor, folded plate reactor, etc., and the sedimentation device includes but not limited to the form of inclined plate, inclined tube, etc.
Depending on the existing sludge discharge system serving a flocculation reaction tank and a sedimentation tank and an air-water back flushing system serving the filtration tank, an air source and an air pipe of the filtration tank are used as pressure air conveying sources, sludge discharge pipes of the flocculation reaction tank and the sedimentation tank are used as air flushing pipelines, an additional pipeline is connected with the sludge discharge pipes and communicated with the sludge discharge pipes respectively, and gas with pressure is transferred into the sludge discharge pipes through the additional pipeline and flushed out of holes of the sludge discharge pipes to form strong gas which is used for performing strong air-water flushing on a flocculation device and a sedimentation device in the tank respectively so as to achieve the effect of cleaning the devices in the tank; the air source is closed, the sludge discharge valve is opened to open the sludge discharge function of the sludge discharge pipe, so that the multifunctional function and system with one pipe are formed. Moreover, the structure and equipment of the existing tank body do not need to be changed, and only the pipeline and the air valve need to be additionally arranged in the tank or outside the tank, so that the continuity of water treatment is ensured, and the construction cost and the material cost are greatly reduced.
As a specific embodiment, the air source 31 is a blower or an air compressor. Of course, the gas source 31 is not limited to the above as long as it can supply the pressure gas.
As a specific embodiment, the sludge discharge pipe 4 penetrates and extends from one side of the sedimentation tank 2 and the flocculation reaction tank 3, or penetrates and extends from the opposite sides of the sedimentation tank 2 and the flocculation reaction tank 3. If it extends from a single side, a gas line 5 leads from the air line 12 to this side. If the air pipe extends out from two sides, an air pipeline 5 is respectively led out from the air pipe 12 to the two sides.
As a specific embodiment, the tank body is rectangular or other shape, the flocculation reaction tank 3, the sedimentation tank 2 and the filtration tank 1 are arranged in sequence according to the water treatment process, the sludge discharge pipe 4 extends through the tank body of the sedimentation tank 2 and the flocculation reaction tank 3, and the tank outer pipe sections are arranged in a straight line, the gas transmission pipeline 5 comprises a horizontal pipe 51 and a vertical pipe 52 both located above the sludge discharge pipe outer pipe section, the horizontal pipe 51 is led out from the air pipe 32, the tank outer pipe section of each sludge discharge pipe 4 is communicated with the horizontal pipe 51 through the vertical pipe 52, and the communication position is located in front of the sludge discharge valve 42, see fig. 2, wherein the front is only based on the position relationship shown in fig. 2 and cannot be understood as a limitation of the present invention. The shape of the pool body is not limited, and can be regular or irregular, and the shape of the gas transmission pipeline 5 can be changed according to the shape of the pool body. The mud pipe 4 is close to the bottom in the pond, and the mounted position is low, and below installation space is limited, and the top space is enough, sets up gas transmission pipeline 5 in the pond outer tube section top of mud pipe 4, can make full use of space, and is convenient for install.
In one specific embodiment, the caliber of the transverse tube is DN 30-300, and the caliber of the vertical tube is DN 30-250.
As a specific embodiment, the cross tube 51 is provided with an air valve 6 at one end near the n-bend 13 for preventing water hammer from reversely striking. The air valve 6 is used for controlling the system to be closed and the air volume, the vertical pipe 52 can be also provided with a valve independently, the linkage of the air valve and the mud discharge valve can be automatically controlled, or the air flushing time can be controlled manually by opening and closing the valve on the spot, the timed flushing of the mud discharge pipe is achieved, and the mud accumulation of the mud bucket in the mud discharge pipe and at the periphery of the mud discharge pipe is prevented. The air valve 6 is close to one end of the n-shaped elbow 13 which is knocked backwards by the waterproof hammer, and the purpose of controlling all the vertical pipes 52 is achieved.
As a specific embodiment, the holes 41 of the sludge discharge pipe are distributed along the bottom and both sides of the sludge discharge pipe 4, see fig. 5. Mud pipe 4 has blowdown and air blast function, and its air blast function includes two aspects, is on the one hand to carry out powerful air water to the reaction flocculation device in the pond and the sediment device respectively washes to reach the purpose of cleaning device in the pond, and on the other hand is that the gas that erupts mixes the interior water of pond and assaults the stirring to the mud deposit layer of mud pipe 4 below, makes the mud deposit layer float and become soft, easily discharges.
The invention also discloses an air-water flushing method, which comprises the following steps:
step 1: starting a gas source, opening a gas valve and conveying pressure gas to the transverse pipe;
step 2: closing a mud discharge valve, allowing pressure gas to enter a mud discharge pipe through a vertical pipe and then to be ejected out through a hole, and performing air-water washing on a flocculation device of a flocculation reaction tank and a sedimentation device of a sedimentation tank by water in a mixing tank;
and step 3: and closing the air source and the air valve, opening the mud valve, and discharging the sewage through the mud pipe.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.

Claims (8)

1. The utility model provides an air water rinse-system for plumbing field, is including the filtering ponds, sedimentation tank, the flocculation reaction pond that connect gradually, and the filtering ponds establish air supply, tuber pipe, connect the waterproof hammer of air supply and tuber pipe and beat n type elbow, and the sedimentation tank establishes the sediment device, and the flocculation reaction pond establishes the flocculation device, and a plurality of mud pipes are established to sediment device and flocculation device below, and the hole is seted up to the mud pipe, and the mud pipe wears to stretch out the external pipe section installation mud valve in the pond of the pond, its characterized in that: the gas pipeline led out from the wind pipe is arranged at the same side of the outer pipe section of the pool and is respectively communicated for use, so that the sludge discharge pipe has multiple functions of sewage discharge and air blast.
2. The air-water flushing system applied to the field of water supply and drainage as claimed in claim 1, characterized in that: the air source is a blower or an air compressor.
3. The air-water flushing system applied to the field of water supply and drainage, as claimed in claim 1, is characterized in that: the sludge discharge pipe penetrates and extends out of one side of the tank body or penetrates and extends out of two opposite sides of the tank body; if the air pipe penetrates and extends out of the single side, an air conveying pipeline is led out from the air pipe to the side; if the air pipe extends out from two sides, an air pipeline is respectively led out from the air pipe to the two sides.
4. The air-water flushing system applied to the field of water supply and drainage as claimed in claim 1, characterized in that: the mud pipe is arranged in a straight line from the pond outer pipe section that the cell body worn to stretch out, and gas transmission pipeline violently manages from tuber pipe department including violently managing and the standpipe that is located mud pipe pond outer pipe section top, violently manages, and the pond outer pipe section of every mud pipe passes through the standpipe and violently manages the intercommunication, and intercommunication department is located mud valve the place ahead.
5. The air-water flushing system applied to the field of water supply and drainage, as claimed in claim 4, is characterized in that: the caliber of the horizontal tube is DN 30-300, and the caliber of the vertical tube is DN 30-250.
6. The air-water flushing system applied to the field of water supply and drainage of claim 5, which is characterized in that: the transverse pipe is provided with an air valve.
7. The air-water flushing system applied to the field of water supply and drainage as claimed in claim 1, characterized in that: the holes are distributed along the bottom and two sides of the sludge discharge pipe.
8. A gas-water flushing method as claimed in any one of claims 1 to 7, which is characterized in that: the method comprises the following steps:
step 1: opening a gas source, opening a gas valve and conveying pressure gas to a transverse pipe;
and 2, step: closing a mud discharge valve, allowing pressure gas to enter a mud discharge pipe through a vertical pipe and then to be ejected out through a hole, and performing air-water washing on a flocculation device of a flocculation reaction tank and a sedimentation device of a sedimentation tank by water in a mixing tank;
and step 3: and closing the air source and the air valve, opening the mud valve, and discharging the sewage through the mud pipe.
CN202211173938.4A 2022-09-26 2022-09-26 Air-water flushing system applied to water supply and drainage field and flushing method thereof Pending CN115446050A (en)

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CN202211173938.4A CN115446050A (en) 2022-09-26 2022-09-26 Air-water flushing system applied to water supply and drainage field and flushing method thereof

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CN202211173938.4A CN115446050A (en) 2022-09-26 2022-09-26 Air-water flushing system applied to water supply and drainage field and flushing method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116022980A (en) * 2023-03-29 2023-04-28 济南森华工程技术有限公司 Building water supply and drainage sewage treatment device and application method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0001074D0 (en) * 2000-01-18 2000-03-08 Wash Systems Ltd Vehicle washer
CN102886163A (en) * 2012-09-28 2013-01-23 天津晟远环境有限公司 Pulsed airlift sludge discharge device
CN204981324U (en) * 2015-05-06 2016-01-20 北京动力康环保科技有限公司 Aeration / row mud integration allies oneself with with membrane biological reaction device
CN105565540A (en) * 2015-12-14 2016-05-11 山东华通环境科技股份有限公司 Modular water purification device with settling, sludge discharging and back flushing functions and quick sludge discharging method
CN113082794A (en) * 2021-04-30 2021-07-09 浙江联池水务设备股份有限公司 Wing type sludge discharging device and sludge discharging system for sludge discharge
CN113559570A (en) * 2021-08-11 2021-10-29 浙江联池水务设备股份有限公司 A type A sludge discharge device and sludge discharge system for sludge discharge
CN216366757U (en) * 2021-11-25 2022-04-26 陕西陕煤韩城矿业有限公司 Mine water station sedimentation tank system with backwashing function
CN218283037U (en) * 2022-09-26 2023-01-13 浙江联池水务设备股份有限公司 An air-water flushing system applied in the field of water supply and drainage

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0001074D0 (en) * 2000-01-18 2000-03-08 Wash Systems Ltd Vehicle washer
CN102886163A (en) * 2012-09-28 2013-01-23 天津晟远环境有限公司 Pulsed airlift sludge discharge device
CN204981324U (en) * 2015-05-06 2016-01-20 北京动力康环保科技有限公司 Aeration / row mud integration allies oneself with with membrane biological reaction device
CN105565540A (en) * 2015-12-14 2016-05-11 山东华通环境科技股份有限公司 Modular water purification device with settling, sludge discharging and back flushing functions and quick sludge discharging method
CN113082794A (en) * 2021-04-30 2021-07-09 浙江联池水务设备股份有限公司 Wing type sludge discharging device and sludge discharging system for sludge discharge
CN113559570A (en) * 2021-08-11 2021-10-29 浙江联池水务设备股份有限公司 A type A sludge discharge device and sludge discharge system for sludge discharge
CN216366757U (en) * 2021-11-25 2022-04-26 陕西陕煤韩城矿业有限公司 Mine water station sedimentation tank system with backwashing function
CN218283037U (en) * 2022-09-26 2023-01-13 浙江联池水务设备股份有限公司 An air-water flushing system applied in the field of water supply and drainage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116022980A (en) * 2023-03-29 2023-04-28 济南森华工程技术有限公司 Building water supply and drainage sewage treatment device and application method thereof

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