CN107975094A - Anti pollution water supply installation - Google Patents

Anti pollution water supply installation Download PDF

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Publication number
CN107975094A
CN107975094A CN201711450378.1A CN201711450378A CN107975094A CN 107975094 A CN107975094 A CN 107975094A CN 201711450378 A CN201711450378 A CN 201711450378A CN 107975094 A CN107975094 A CN 107975094A
Authority
CN
China
Prior art keywords
water
pipe
distributing
water supply
control valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711450378.1A
Other languages
Chinese (zh)
Inventor
张会明
张勇华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Keyuan Water Supply And Drainage Equipment Engineering Co Ltd
Original Assignee
Shandong Keyuan Water Supply And Drainage Equipment Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Keyuan Water Supply And Drainage Equipment Engineering Co Ltd filed Critical Shandong Keyuan Water Supply And Drainage Equipment Engineering Co Ltd
Priority to CN201711450378.1A priority Critical patent/CN107975094A/en
Publication of CN107975094A publication Critical patent/CN107975094A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00Methods or layout of installations for water supply
    • E03B1/02Methods or layout of installations for water supply for public or like main supply for industrial use
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00Arrangements or adaptations of tanks for water supply
    • E03B11/10Arrangements or adaptations of tanks for water supply for public or like main water supply
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B5/00Use of pumping plants or installations; Layouts thereof
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/02Public or like main pipe systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/077Arrangement of backflow preventing devices
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00Arrangements or adaptations of tanks for water supply
    • E03B2011/005Tanks with two or more separate compartments divided by, e.g. a flexible membrane

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Structural Engineering (AREA)
  • Domestic Plumbing Installations (AREA)

Abstract

The present invention, which provides a kind of Anti pollution water supply installation, to be included:Anti pollution water tank, water supply pump group and switch board;Wherein, the Anti pollution water tank includes:Water tank, is divided into two Room of left and right by partition plate, is respectively distributing water room and water-supplying chamber;Distributing pipe line, water distribution pipe, water-supplying chamber's inlet pipeline, counter-flushing pipeline, drain water circuit and outlet pipeline.

Description

Anti pollution water supply installation
Technical field
The present invention relates to a kind of water supply installation, more particularly to a kind of Anti pollution water supply installation.
Background technology
1st, in the prior art, three kinds are substantially divided by the syntagmatic water supply installation of water tank and no negative pressure unit:
1. non-negative-pressure variable frequency constant pressure unit is combined with water tank.
2. non-negative-pressure variable frequency constant pressure unit is combined with water tank Pressure Unit.
3. electronic simulation flow unit is combined with water tank.
First two combines, and outside the shortcomings that removing commonly known non-negative-pressure variable frequency constant pressure water supply equipment, is besides supplying water In folded, pressure process, electric pressure signal transmission is fully relied on, is carried out in equipment and technology, mechanical-electrical integration automatic switchover, structure control It is complicated.Therefore equipment rolls up, probability of malfunction is high, and cost is high.
The third combination, then city planting ductwork cannot be ensured thoroughly safely.
2nd, the box water system of traditional tap water, its water tank generally existing secondary pollution phenomenon:
1. since water tank is rectangular configuration, the easy life and death pool in corner of water tank.
2. the secondary pollution measure of water conservancy diversion mortise is added to can not form flow velocity, also easily because water consumption is disproportionate with area of passage Produce slough.
3. secondary pollution is prevented using boxboard surface texture is changed, using changing more than boxboard surface texture still occurs Phenomenon.
4. using disinfection by ultraviolet light, first, complexity is not easy to control, second, fragile
5. closed phase timing emptying Water in Water Tank of reordering, in practice it has proved that be not empty, and originally hydropexis is still longer, easily production Raw secondary pollution.
6. cistern free water disinfection facility, it is necessary to which allocated water quality detects chlorine residue equipment and specialized water disinfectant, daily Roof tank water quality free chlorine residual content is measured not less than 0.05mg/l as defined in state health standards.Since tap water is used to sterilize Free chlorine is volatile, when small more than 24.Chlorine residue is less than 0.05mg/l or chlorine residue and is not present in water, easily causes total plate count, big Intestinal flora and other pathogenic bacteria, virus etc. are exceeded, drink and human body is damaged.
3, existing box type negative-pressure-free frequency-changing pressure stabilizing device energy conservation effect is poor
Existing box type negative-pressure-free frequency-changing pressure stabilizing device configuration is complicated, is additionally arranged suppressor, more electrically operated valves, pipeline and secondary disappears Sound facility etc., operation energy consumption is high, and energy-saving effect is poor, and cost performance is low.
4, easily there is large stretch of water supply low-pressure area when supplying water the water use peak phase in existing box type negative-pressure-free frequency conversion equipment
When supplying water on peak, due to body structure reason, water pump supplies water and is carried out at the same time with water tank water intake, therefore makes water supply network excess load Operation causes large stretch of low-pressure area.
The content of the invention
In view of the foregoing deficiencies of prior art, supply water and fill it is an object of the invention to provide a kind of Anti pollution Put, for solving the above problem of the prior art.
In order to achieve the above objects and other related objects, the present invention provides a kind of Anti pollution water supply installation, including:Newly The anti-pollution water tank of type, water supply pump group and switch board;Wherein, the Anti pollution water tank includes:
Water tank, is divided into two Room of left and right by partition plate, is respectively distributing water room and water-supplying chamber;
Distributing pipe line, is arranged at the top of the distributing water room of the water tank, including water distribution supervisor and some range pipes;The water distribution One end of supervisor is used to be connected with water supply pipe, and sets inlet valve;Each range pipe is parallel to each other, and with it is described Water distribution supervisor is vertically connected logical, and some distributing holes are set on the tube wall of each range pipe;
Water distribution pipe, is arranged at lower part, the lower section of the distributing pipe line of the distributing water room of the water tank, if including water distribution supervisor and Dry water distribution branch pipe;It is enclosed construction that the water distribution, which is responsible for one end, and the other end, that is, water outlet is from distributing water room through water-supplying chamber from described Water tank side wall is pierced by, for outwards supplying water;The water outlet of the water distribution supervisor sets control valve A, control valve B;It is described each Water distribution branch pipe is parallel to each other, and is connected with water distribution supervisor, and some water distributing pores are set on the tube wall of each water distribution branch pipe;Institute Each water distribution branch pipe is stated to be in the distributing water room;
Water-supplying chamber's inlet pipeline, supervisor is connected with the water distribution, its water outlet is connected with water-supplying chamber, sets thereon into water control Valve processed;
Counter-flushing pipeline, including connecting pipe;The connecting pipe is connected with water distribution supervisor, its tie point is in control valve Between door A, control valve B;The water outlet of the water supply pump group is connected with the connecting pipe, the water inlet of the water supply pump group Mouth is connected with water supply pipe, supplies water for being responsible for the water distribution;
Drain water circuit, is arranged on the bottom plate of the water tank, positioned at the lower section of the water-supplying chamber, for water outlet described in emptying Room;The drain water circuit includes tapping pipe and sluicing control valve;
Outlet pipeline, including outlet pipe and flowing water Valve;The outlet pipe is connected with the water-supplying chamber, and the flowing water Valve is set It is placed on the outlet pipe;
The control valve A, control valve B, water inlet control valve door and the water supply pump group pass through control circuit and the control Cabinet processed is connected.
Preferably, the distributing hole radially distributes with respect to range pipe center line;The water distributing pore is with respect to water distribution branch Tube hub line radially distributes.
Preferably, the water inlet end of water distribution supervisor sets flow sensor, the flow sensor by signal wire with The switch board is connected.
Preferably, liquid level sensor is set on the side wall of the water-supplying chamber, for controlling the inflow of water-supplying chamber;The liquid Level sensor is connected by signal wire with the switch board.
Preferably, manhole is set on the top plate of the water tank.
Preferably, the water outlet of the water distribution supervisor sets steady-flow tank.
Preferably, Counterflow-proof device is set on the water supply pipe.
Preferably, the water pump assembly is formed by some water pump branch circuit parallel connections, each water pump branch by water pump, butterfly valve, Damping check valve, which is sequentially connected in series, to be formed.
The Anti pollution water supply installation of the present invention has following features:
1st, Anti pollution water tank is, it can be achieved that uniform water distribution, water tank is without deposition dead band.
2 and water displacement it is thorough, anti-secondary pollution significant effect.
3rd, intelligent automatic water supply can be achieved.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention:
Fig. 2 is the front view of water tank of the present invention;
Fig. 3 is the top view of water tank of the present invention;
Fig. 4 is A-A profiles;
Fig. 5 is B-B sectional views;
Fig. 6 is C-C sectional views;
Fig. 7 is D-D sectional views;
In figure:1 Anti pollution water tank, 2 water supply pump groups, 3 switch boards, 4 steady-flow tanks, 5 Counterflow-proof devices;101 water tanks, 102 water distributions Supervisor, 103 flow sensors, 104 inlet valves, 105 range pipes, 106 manholes, 107 connecting pipes, 108 control valve A, 109 sluicing control valves, 110 tapping pipes, 111 partition plates, 112 water supply pump groups, 113 water distributions supervisor, 114 water distribution branch pipes, 115 liquid levels Sensor, 116 water inlet control valve doors, 117 water-supplying chamber's inlet pipelines, 118 flowing water Valves, 119 outlet pipes, 120 distributing holes, 121 Water distributing pore, 122 distributing water room, 123 water-supplying chamber, 124 control valve B, 125 connecting pipes.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book understands other advantages and effect of the present invention easily.
Please refer to Fig.1 to Fig. 7.It should be clear that structure, ratio, size depicted in this specification attached drawing etc., only coordinating The revealed content of specification, so that those skilled in the art understands and reads, it is enforceable to be not limited to the present invention Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, Do not influence under the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed technology contents In the range of covering.Meanwhile cited such as " on ", " under ", "left", "right", " centre " and " one " in this specification Term, be merely convenient to understanding for narration, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or Adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable category of the present invention.
Please referring to Fig.1 to Fig. 7, the present invention provides a kind of Anti pollution water supply installation, including:Anti pollution water tank 1, Water supply pump group 2 and switch board 3;Wherein, the Anti pollution water tank 1 includes:
Water tank 101, is divided into two Room of left and right by partition plate 111, is respectively distributing water room 122 and water-supplying chamber 123;
Distributing pipe line, is arranged at the top of the distributing water room 122 of the water tank 101, including water distribution supervisor 102 and some range pipes 105;One end of the water distribution supervisor 102 is used to be connected with water supply pipe, and sets inlet valve 104;Each water distribution branch Pipe 105 is parallel to each other, and is vertically connected logical with water distribution supervisor 102, and some match somebody with somebody is set on the tube wall of each range pipe 102 Water hole 120;
Water distribution pipe, is arranged at lower part, the lower section of the distributing pipe line of the distributing water room 122 of the water tank 101, including water distribution master Pipe 113 and some water distribution branch pipes 114;It is enclosed construction that the water distribution, which is responsible for 113 one end, and the other end, that is, water outlet is from distributing water room 122 are pierced by through water-supplying chamber 123 from 101 side wall of water tank, for outwards supplying water;The water outlet of the water distribution supervisor 113 is set Control valve A108, control valve B124;Each water distribution branch pipe 114 is parallel to each other, and is connected with water distribution supervisor 113 It is logical, some water distributing pores 121 are set on the tube wall of each water distribution branch pipe 114;Each water distribution branch pipe 114 is in the distributing water room In 122;
Water-supplying chamber's inlet pipeline 117, is connected, its water outlet is connected with water-supplying chamber 123, thereon with water distribution supervisor 113 Water inlet control valve door 116 is set;
Counter-flushing pipeline, including connecting pipe 125;The connecting pipe 125 is connected with water distribution supervisor, its tie point exists Between control valve A, control valve B;The water outlet of the water supply pump group 2 is connected with the connecting pipe 125, the water supply The water inlet of pump group 2 is connected with water supply pipe, for supplying water to water distribution supervisor 113;
Drain water circuit, is arranged on the bottom plate of the water tank 101, positioned at the lower section of the water-supplying chamber 123, for described in emptying Water-supplying chamber 123;The drain water circuit includes tapping pipe 110 and sluicing control valve 109;
Outlet pipeline, including outlet pipe 119 and flowing water Valve 118;The outlet pipe 119 is connected with the water-supplying chamber 123, institute Flowing water Valve 118 is stated to be arranged on the outlet pipe 119;
The control valve A108, control valve B124, water inlet control valve door 116 and the water supply pump group 2 pass through control line Road is connected with the switch board 3.
In another embodiment, the distributing hole 120 radially distributes with respect to 105 center line of range pipe;The cloth Water hole 121 radially distributes with respect to 114 center line of water distribution branch pipe.
In another embodiment, the water inlet end of the water distribution supervisor 102 sets flow sensor 103, the flow sensing Device 103 is connected by signal wire with the switch board 3.
In another embodiment, liquid level sensor 115 is set on the side wall of the water-supplying chamber 123, for controlling water-supplying chamber 123 inflow;The liquid level sensor 115 is connected by signal wire with the switch board 3
In another embodiment, manhole 106 is set on the top plate of the water tank 101.
In another embodiment, the water outlet of the water distribution supervisor 113 sets steady-flow tank 4.
In another embodiment, Counterflow-proof device 5 is set on the water supply pipe.
In another embodiment, the water pump assembly 2 is formed by some water pump branch circuit parallel connections, and each water pump branch is by water Pump, butterfly valve, damping check valve, which are sequentially connected in series, to be formed.
In use, opening inlet valve 104, water supply line supplies water to water distribution supervisor 102, and the water in water distribution supervisor 102 leads to Each distributing hole 120 on each range pipe 105 is crossed uniformly to be flowed into distributing water room 122;Water in distributing water room 122 is through each water distributing pore 123 enter each water distribution branch pipe 114 and water distribution supervisor 113;When opening water inlet control valve door 116, water is through water distribution in distributing water room 122 Supervisor 113 and water-supplying chamber's inlet pipeline 117 are flowed into water-supplying chamber 123;When opening flowing water Valve 118, water-supplying chamber 123 outwards supplies Water;Sluicing control valve 109 is opened, tapping pipe 110 can empty water;When counter-flushing pipeline works, it will control and closed into water valve 116 Close, control valve B125 is closed, open control valve A108 and simultaneously start water supply pump group 2, water supply pump group 2 through connecting pipe 107 to Distributing water room reversely send water, and water tank 101 is rinsed well.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as Into all equivalent modifications or change, should by the present invention claim be covered.

Claims (8)

  1. A kind of 1. Anti pollution water supply installation, it is characterised in that including:Anti pollution water tank, water supply pump group and switch board; Wherein, the Anti pollution water tank includes:
    Water tank, is divided into two Room of left and right by partition plate, is respectively distributing water room and water-supplying chamber;
    Distributing pipe line, is arranged at the top of the distributing water room of the water tank, including water distribution supervisor and some range pipes;The water distribution One end of supervisor is used to be connected with water supply pipe, and sets inlet valve;Each range pipe is parallel to each other, and with it is described Water distribution supervisor is vertically connected logical, and some distributing holes are set on the tube wall of each range pipe;
    Water distribution pipe, is arranged at lower part, the lower section of the distributing pipe line of the distributing water room of the water tank, if including water distribution supervisor and Dry water distribution branch pipe;It is enclosed construction that the water distribution, which is responsible for one end, and the other end, that is, water outlet is from distributing water room through water-supplying chamber from described Water tank side wall is pierced by, for outwards supplying water;The water outlet of the water distribution supervisor sets control valve A, control valve B;It is described each Water distribution branch pipe is parallel to each other, and is connected with water distribution supervisor, and some water distributing pores are set on the tube wall of each water distribution branch pipe;Institute Each water distribution branch pipe is stated to be in the distributing water room;
    Water-supplying chamber's inlet pipeline, supervisor is connected with the water distribution, its water outlet is connected with water-supplying chamber, sets thereon into water control Valve processed;
    Counter-flushing pipeline, including connecting pipe;The connecting pipe is connected with water distribution supervisor, its tie point is in control valve Between door A, control valve B;The water outlet of the water supply pump group is connected with the connecting pipe, the water inlet of the water supply pump group Mouth is connected with water supply pipe, supplies water for being responsible for the water distribution;
    Drain water circuit, is arranged on the bottom plate of the water tank, positioned at the lower section of the water-supplying chamber, for water outlet described in emptying Room;The drain water circuit includes tapping pipe and sluicing control valve;
    Outlet pipeline, including outlet pipe and flowing water Valve;The outlet pipe is connected with the water-supplying chamber, and the flowing water Valve is set It is placed on the outlet pipe;
    The control valve A, control valve B, water inlet control valve door and the water supply pump group pass through control circuit and the control Cabinet processed is connected.
  2. 2. Anti pollution water supply installation according to claim 1, it is characterised in that:The distributing hole is with respect to range pipe Center line radially distributes;The water distributing pore radially distributes with respect to water distribution branch pipe center line.
  3. 3. Anti pollution water supply installation according to claim 1, it is characterised in that:The water inlet end of the water distribution supervisor is set Flow sensor is put, the flow sensor is connected by signal wire with the switch board.
  4. 4. Anti pollution water supply installation according to claim 1, it is characterised in that:Set on the side wall of the water-supplying chamber Liquid level sensor, for controlling the inflow of water-supplying chamber;The liquid level sensor is connected by signal wire with the switch board.
  5. 5. Anti pollution water supply installation according to claim 1, it is characterised in that:People is set on the top plate of the water tank Hole.
  6. 6. Anti pollution water supply installation according to any one of claim 1 to 5, it is characterised in that:The water distribution master The water outlet of pipe sets steady-flow tank.
  7. 7. Anti pollution water supply installation according to any one of claim 1 to 5, it is characterised in that:The feed pipe Counterflow-proof device is set on road.
  8. 8. Anti pollution water supply installation according to any one of claim 1 to 5, it is characterised in that:The water pump machine Group is formed by some water pump branch circuit parallel connections, and each water pump branch is sequentially connected in series by water pump, butterfly valve, damping check valve to be formed.
CN201711450378.1A 2017-12-27 2017-12-27 Anti pollution water supply installation Pending CN107975094A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711450378.1A CN107975094A (en) 2017-12-27 2017-12-27 Anti pollution water supply installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711450378.1A CN107975094A (en) 2017-12-27 2017-12-27 Anti pollution water supply installation

Publications (1)

Publication Number Publication Date
CN107975094A true CN107975094A (en) 2018-05-01

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ID=62008229

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711450378.1A Pending CN107975094A (en) 2017-12-27 2017-12-27 Anti pollution water supply installation

Country Status (1)

Country Link
CN (1) CN107975094A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110158708A (en) * 2019-06-10 2019-08-23 山东科源供排水设备工程有限公司 A kind of anti-dead, remaining water, leveling differential pressure water conservancy diversion peak regulation water tank and water supply pumping plant

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203307077U (en) * 2013-07-01 2013-11-27 杨志江 Water distributor
CN204456291U (en) * 2015-01-26 2015-07-08 中美金光(北京)水务科技有限公司 A kind of self-cleaning tank
CN204475429U (en) * 2015-02-03 2015-07-15 福州鑫福节能环保科技有限公司 A kind of backwash constant pressure water supply case
CN205046630U (en) * 2015-08-27 2016-02-24 李天如 Novel environmental protection feed -tank
CN206015800U (en) * 2016-06-12 2017-03-15 太原若水环境工程有限公司 Vertical fit water tank secondary pressurized Based Intelligent Control supply equipment
CN207749566U (en) * 2017-12-27 2018-08-21 山东科源供排水设备工程有限公司 Anti pollution water supply installation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203307077U (en) * 2013-07-01 2013-11-27 杨志江 Water distributor
CN204456291U (en) * 2015-01-26 2015-07-08 中美金光(北京)水务科技有限公司 A kind of self-cleaning tank
CN204475429U (en) * 2015-02-03 2015-07-15 福州鑫福节能环保科技有限公司 A kind of backwash constant pressure water supply case
CN205046630U (en) * 2015-08-27 2016-02-24 李天如 Novel environmental protection feed -tank
CN206015800U (en) * 2016-06-12 2017-03-15 太原若水环境工程有限公司 Vertical fit water tank secondary pressurized Based Intelligent Control supply equipment
CN207749566U (en) * 2017-12-27 2018-08-21 山东科源供排水设备工程有限公司 Anti pollution water supply installation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110158708A (en) * 2019-06-10 2019-08-23 山东科源供排水设备工程有限公司 A kind of anti-dead, remaining water, leveling differential pressure water conservancy diversion peak regulation water tank and water supply pumping plant

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