CN109487855A - A kind of integration wisdom pump house and control system - Google Patents

A kind of integration wisdom pump house and control system Download PDF

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Publication number
CN109487855A
CN109487855A CN201811478324.0A CN201811478324A CN109487855A CN 109487855 A CN109487855 A CN 109487855A CN 201811478324 A CN201811478324 A CN 201811478324A CN 109487855 A CN109487855 A CN 109487855A
Authority
CN
China
Prior art keywords
control system
water
supply unit
water supply
area
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
CN201811478324.0A
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Chinese (zh)
Inventor
拾井凯
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.)
Shanghai Haicheng Water Science And Technology Group Co Ltd
Original Assignee
Shanghai Haicheng Water Science And Technology Group 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 Shanghai Haicheng Water Science And Technology Group Co Ltd filed Critical Shanghai Haicheng Water Science And Technology Group Co Ltd
Priority to CN201811478324.0A priority Critical patent/CN109487855A/en
Publication of CN109487855A publication Critical patent/CN109487855A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B5/00Use of pumping plants or installations; Layouts thereof
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • 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, 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, valves, in the pipe systems
    • E03B7/074Arrangement of water treatment devices
    • 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, valves, in the pipe systems
    • E03B7/075Arrangement of devices for control of pressure or flow rate
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/09Component parts or accessories
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection

Abstract

A kind of integration wisdom pump house and control system, belong to water supply control field, it is characterized in that: including low area's water supply unit, high area's water supply unit, steady flow compensator, water tank and control system, steady flow compensator is set in municipal back with water inlet line, low area's water supply unit and high area's water supply unit are connected through steady flow compensator with municipal back with water inlet line, low area's water supply unit and high area's water supply unit are connected through pipeline with water tank, water tank is connected through pipeline with municipal back with water inlet line, municipal back with water inlet line is equipped with municipal motor-driven valve and first pressure sensor, radiator drain line is equipped with water tank motor-driven valve, high area's outlet pipeline is equipped with second pressure sensor, low area's outlet pipeline is equipped with third pressure sensor, low area's water supply unit, high area's water supply unit, municipal motor-driven valve, water tank motor-driven valve and three pressure sensors are connect with control system.When city planting ductwork is negative pressure, moisturizing can be carried out by water tank, supplying water by two water supplying machine group superpositions can reach the function of constant pressure water supply.

Description

A kind of integration wisdom pump house and control system
Technical field:
The present invention relates to a kind of water supply control fields, and in particular to a kind of integration wisdom pump house and control system.
Background technique:
With the development of city process, high-rise building emerges one after another, and very big difficulty, floor mistake are brought to urban water supply Height can make the pressure of supply water of city planting ductwork insufficient, cause the water in city planting ductwork that can not flow out, can not carry out normal water supply, influence The just common water of user, makes troubles to life, meanwhile, also there is the unstable situation of pressure of supply water to city planting ductwork in duration, so The discharge pressure that will cause at house lead in is unstable, keeps water supply water flow excessive or too small, is unfavorable for urbanite water consumption, and city planting ductwork is normal It often will appear negative pressure appearance.
Water supply pump house current simultaneously is all made of basement civil engineering pump house+supply equipment mode, and civil engineering occupies garage etc. The useful space.And it is related to complex work of the supply equipment to scene into secondary installing after pump house, higher cost.
Summary of the invention:
The present invention is to overcome above-mentioned technical problem, a kind of integrated wisdom pump house and control system is provided, when municipal administration is managed When net is negative pressure, moisturizing can be carried out by water tank, it is ensured that the just common water of resident, supplying water by two water supplying machine group superpositions can reach The function of constant pressure water supply, and this equipment is that supply equipment and pump house are prefabricated in the factory and finish, integration apparatus is straight to scene Installation is connect, then couples turnover pipeline, cost that is time saving and energy saving and reducing entire engineering.
Integrated wisdom pump house of the invention and control system, technical solution used for the above purpose are: It is described low including being set to equipment room Nei Di area's water supply unit, high area's water supply unit, steady flow compensator, water tank and control system Area's water supplying machine is mounted on low area's outlet pipeline, and high area's water supplying machine is mounted on high area's outlet pipeline, the steady flow compensation Device is set in municipal back with water inlet line, and low area's water supply unit and high area's water supplying machine group are respectively through steady flow compensator and municipal back with water inlet line Be connected, low area's water supply unit and high area's water supplying machine group pass through radiator drain line respectively and are connected with water tank, water tank pass through water tank into Water pipeline is connected with municipal back with water inlet line, and the municipal administration back with water inlet line is equipped with municipal motor-driven valve and first pressure sensor, institute Radiator drain line is stated equipped with water tank motor-driven valve, high area's outlet pipeline is equipped with second pressure sensor, the low area Outlet pipeline is equipped with third pressure sensor, low area's water supply unit, high area's water supply unit, municipal motor-driven valve, water tank electricity Dynamic valve, first pressure sensor, second pressure sensor and third pressure sensor with control system connection communication.
As a further improvement of the present invention, the radiator drain line is equipped with water quality testing meter, and water quality testing meter connects Connected control system.Six conventional detections of chlorine residue, turbidity, conductivity, PH, dissolved oxygen and temperature are carried out by water quality testing meter.
As a further improvement of the present invention, high area's outlet pipeline is equipped with first flow detection meter, low area's water outlet Pipeline is equipped with second flow detection meter, and first flow detection meter and second flow detection meter are connected with control system respectively.It is logical It crosses first flow detection meter and second flow detection meter detects the flow of high area's outlet pipeline and the stream of low area's outlet pipeline respectively Amount, and will test data transmission to control system.
As a further improvement of the present invention, the water tank water intake pipeline is equipped with first filter.Pass through the first filtering Device is filtered the water entered in water tank.
As a further improvement of the present invention, the water tank water intake pipeline be equipped with scouring electromagnetic valve, scouring electromagnetic valve with Control system is connected.Water tank can be rinsed by starting scouring electromagnetic valve.
As a further improvement of the present invention, the water tank water intake pipeline is equipped with ball-cock assembly.It is controlled by ball-cock assembly The liquid level of water tank.
As a further improvement of the present invention, water level detection gauge is equipped in the water tank.Water tank is measured by water level detection gauge Water level, and send numerical value to control system.
As a further improvement of the present invention, ultraviolet ray sterilizer is equipped in the water tank.Control system controls ultraviolet light Disinfecting instrument carries out disinfection to the water in water tank.
As a further improvement of the present invention, the radiator drain line is equipped with the second filter.By the second filter The water entered in high area's outlet pipeline and low area's outlet pipeline is filtered.
As a further improvement of the present invention, access control system, access control system and control system phase are equipped in the equipment room Even.
As a further improvement of the present invention, camera is equipped in the equipment room, camera is connected with control system.It is logical It crosses with fresh air in the certifiable equipment room of exhaust blower
As a further improvement of the present invention, exhaust blower is equipped in the equipment room, exhaust blower is connected with control system.It is logical Crossing dehumidifier can guarantee being air-dried in equipment room.
The beneficial effects of the present invention are:
When the pressure of the municipal pipe network is normal, low area's water supply unit and high area's water supply unit are managed by steady flow compensator from municipal administration Draw water on the net and laminate water supply, pressure difference how much mend how much, to reach the function of constant pressure water supply.Work as city planting ductwork When water shortage or hydraulic pressure deficiency, control system detects the numerical value of first pressure sensor, closes the municipal administration in municipal back with water inlet line Motor-driven valve cuts off the watering of city planting ductwork, while control system opens water tank motor-driven valve, and the area Shi Di water supply unit and high area supply Water dispenser group is drawn water from water tank, to reach the function of uninterruptedly persistently supplying water;After municipal water pressure restores, control system switches city Political affairs motor-driven valve and water tank motor-driven valve, the area Shi Di water supply unit and high area's water supply unit is return draws water to city planting ductwork, low area supplies water Unit and high area's water supply unit draw water from water tank, and equipment can be made to have residual quantity compensation function, i.e., can supplement confession within a certain period of time The water of the city planting ductwork of water dispenser group front end is insufficient or pressure oscillation, guarantees that the user of water supply unit rear end can just commonly use water.
In addition, the present invention has telecommunication and control function, start and stop including each pump, operating status, the municipal administration respectively pumped Pipe network protects the remotely modifying of pressure and discharge pressure setting, fault alarm, defencive function, the setting of parameter and PLC program.
In addition, the present invention is prefabricated integration apparatus in factory, the peace that current civil engineering pump house adds supply equipment may replace Die-filling formula can cancel the installment work of pump house, can be placed in next occasionally any place on the ground, can rain-proof outdoor placement, can prevent Only basement occurs by the case where water logging.
Detailed description of the invention:
Fig. 1 is the structural diagram of the present invention.
Specific embodiment:
Referring to Fig.1, the integration wisdom pump house and control system, including be set to 1 area Nei Di water supply unit 2 of equipment room, High area's water supply unit 3, steady flow compensator 4, water tank 11 and control system 17, low area's water supply unit 2 are set to low area's outlet pipe On road 27, high area's water supply unit 3 is set on high area's outlet pipeline 26, and low area's water supply unit 2 and high area's water supply unit 3 are by water Pump group is at the steady flow compensator 4 is set in municipal back with water inlet line 7, and low area's water supply unit 2 and high area's water supply unit 3 pass through respectively Steady flow compensator 4 is connected with municipal back with water inlet line 7, and low area's water supply unit 2 and high area's water supply unit 3 pass through radiator drain respectively Line 111 is connected with water tank 11, and water tank 11 is connected by water tank water intake pipeline 112 with municipal back with water inlet line 7, by municipal back with water inlet line 7 supply water to water tank 11 so as to spare, and the municipal administration back with water inlet line 7 is equipped with municipal motor-driven valve 5 and first pressure sensor 6, institute Radiator drain line 111 is stated equipped with water tank motor-driven valve 14, high area's outlet pipeline 26 is equipped with second pressure sensor 20, Low area's outlet pipeline 27 is equipped with third pressure sensor 22, low area's water supply unit 2, high area's water supply unit 3, municipal administration Motor-driven valve 5, water tank motor-driven valve 14, first pressure sensor 6, second pressure sensor 20 and third pressure sensor 22 with control 17 connection communication of system processed, control system 17 are set by remotely monitoring output end 28 and the long-range monitoring of control centre, water supply group It is standby to be connected.
Normal water supply stage, low area's water supply unit 2 and high area's water supply unit 3 are managed by steady flow compensator 4 from municipal administration is connected to Draw water in the municipal back with water inlet line 7 of net and laminate water supply, pressure difference how much mend how much, to reach constant pressure water supply function Energy.When city planting ductwork water shortage or hydraulic pressure deficiency, control system 17 detects the numerical value of first pressure sensor 6, closes municipal administration Municipal motor-driven valve 5 in back with water inlet line 7 cuts off the watering of city planting ductwork, while control system 17 opens water tank motor-driven valve 5, The area Shi Di water supply unit 2 and high area's water supply unit 3 draw water from water tank 11, to reach the function of uninterruptedly persistently supplying water;Work as city After political affairs hydraulic pressure restores, control system 17 restarts municipal motor-driven valve 15, closes water tank motor-driven valve 14, the area Shi Di water supply unit 2 With high area's water supply unit 3 is return draws water to city planting ductwork.
Control system 17 detects the discharge pressure of high area's outlet pipeline 26 by second pressure sensor 20, passes through third pressure Force snesor 22 detects the discharge pressure of low area's outlet pipeline 27, then controls the unlatching of the first motor-driven valve 5 or the second motor-driven valve 14 Size regulates and controls discharge pressure.When second pressure sensor 20 and third pressure sensor 22 break down simultaneously, control system 17 can detect the pressure signal of suction inlet side using first pressure sensor 6, thus to low area's water supply unit 2 and Gao Qu Water pump in water supply unit 3 carries out frequency control and operation controls, and realizes Emergency water supply function.
The present invention can protect city planting ductwork not generate negative pressure function by the above facility, protect the municipal administration of supply equipment front end Ductwork pressure is unaffected when equipment start-stop, working normally.Wherein low area's water supply unit 2 and high area's water supply unit 3 are from water tank 11 draw water, and equipment can be made to have residual quantity compensation function, i.e., can supplement the city planting ductwork of water supply unit front end within a certain period of time Water is insufficient or pressure oscillation, guarantees the water safety of water supply unit backend user.
The area Zhong Di water supply unit 2 of the present invention and high area's water supply unit 3 are non-negative pressure water-supply device, have totally-enclosed function Can, the pressure of the sufficiently sharp city planting ductwork of energy, it is ensured that equipment does not have secondary pollution to water quality;Have small flow pressure maintaining function, energy The main pump not start and stop for guaranteeing low area's water supply unit 2 and high area's water supply unit 3 guarantee low area's water supply unit 2 and high area's water supply unit 3 The pressure of rear end keeps pressure constant state;Has the fault alarms such as over-voltage, under-voltage, phase shortage, short circuit, overcurrent and automatic protection function Can, recoverable failure energy automatic or manual is eliminated, restores to operate normally.
For the control system 17 using PLC as controller, complete supply equipment should provide what independence was connected with PLC RS485 communication interface and ethernet communication interface, data acquisition support MODBUS RTU and uplink agreement to support TCP/IP communication Agreement, PLC upload to the information such as water pressures, pump operation data, converter parameter, the fault alarm at 1 scene of equipment room Control centre, water supply group uses for device management software platform;Complete supply equipment should have suspension data and function is locally stored Can, data forward function after network recovery.For the access for supporting other equipment data, control system 17 must at least have one The communication modes of three slave stations of main website.
Further, the radiator drain line 111 is equipped with water quality testing meter 16, the connection control of water quality testing meter 16 system System 17.Water quality testing meter 16 carries out six conventional detections of chlorine residue, turbidity, conductivity, PH, dissolved oxygen and temperature, will have in real time Effect data are transferred to company's platform by monitoring network, analyze related data.
Further, high area's outlet pipeline 26 is equipped with first flow detection meter 21, sets on low area's outlet pipeline 27 There is second flow detection meter 23, first flow detection meter 21 and second flow detection meter 23 are connected with control system 17 respectively, lead to It crosses first flow detection meter 21 and second flow detection meter 23 detects the flow and low area's outlet pipe of high area's outlet pipeline 26 respectively The flow on road 27, and will test data transmission to control system 17, it is uploaded on remote supervisory and control(ling) equipment by control system 17.
Further, the water tank water intake pipeline 112 is equipped with first filter 8, scouring electromagnetic valve 9 and ball-cock assembly 10, Scouring electromagnetic valve 9 is connected with control system 17.The water entered in water tank 11 by 8 Duis of first filter is filtered, by opening Dynamic scouring electromagnetic valve 9 can be rinsed water tank, and the liquid level of water tank 11 is controlled by ball-cock assembly 10.
Further, it being equipped with water level detection gauge 18 in the water tank 11, water level detection gauge 18 is connected with control system 17, by Water level detection gauge 18 measures the water level of water tank 11, and sends numerical value to control system 17, is transmitted to remotely by control system 17 In monitoring device.
Further, ultraviolet ray sterilizer 12, ultraviolet ray sterilizer 12 and 17 phase of control system are equipped in the water tank 11 Even, control system 17 controls ultraviolet ray sterilizer 12 and carries out disinfection to the water in water tank 11.
Further, the radiator drain line 111 is equipped with the second filter 15, is entered by 15 Duis of the second filter high Water in area's outlet pipeline 26 and low area's outlet pipeline 27 is filtered.
Further, it is equipped with access control system 19 in the equipment room 1, access control system 19 is connected with control system 17.Gate inhibition System 19 need to be provided with anti-intrusion anti-terrorism system, and control system 17 can connect access control system 19, can upload gate inhibition's record in real time; And be equipped with it is abnormal enter alarm measure, while acoustic scene police, SMS alarm, pump house access door (window) should have security door.
Further, it is equipped with camera 25 in the equipment room 1, camera 25 is connected with control system 17, camera 25 Using spherical IP Camera, built-in intelligence behavioural analysis module, support pass through warning line, region invasion, into region, from Open region hovers, gathering of people, fast moves, stops, the rule deployment, automatic detection, alarm such as article is left, article is taken Linkage, storage and transfer function support more scene cruise detections, support target size filtering configuration, support face snap function, Web operation.
Further, be equipped with exhaust blower 13 and dehumidifier 24 in the equipment room 1, exhaust blower 13 and dehumidifier 24 respectively with Control system 17 is connected, and can be ensured by exhaust blower 13 and dehumidifier 24 with fresh air, dry in equipment room 1.

Claims (10)

1. a kind of integration wisdom pump house and control system, it is characterised in that: including being set to equipment room (1) area Nei Di water supplying machine Group (2), high area's water supply unit (3), steady flow compensator (4), water tank (11) and control system (17), low area's water supply unit (2) it is set on low area's outlet pipeline (27), high area's water supply unit (3) is set on high area's outlet pipeline (26), the current stabilization Compensator (4) is set on municipal back with water inlet line (7), and low area's water supply unit (2) and high area's water supply unit (3) are respectively through steady flow compensation Device (4) is connected with municipal back with water inlet line (7), and low area's water supply unit (2) and high area's water supply unit (3) pass through radiator drain respectively Line (111) is connected with water tank (11), and water tank (11) is connected by water tank water intake pipeline (112) with municipal back with water inlet line (7), described Municipal back with water inlet line (7) is equipped with municipal motor-driven valve (5) and first pressure sensor (6), on the radiator drain line (111) Equipped with water tank motor-driven valve (14), high area's outlet pipeline (26) is equipped with second pressure sensor (20), low area's water outlet Pipeline (27) is equipped with third pressure sensor (22), and low area's water supply unit (2), high area's water supply unit (3), municipal administration are electronic Valve (5), water tank motor-driven valve (14), first pressure sensor (6), second pressure sensor (20) and third pressure sensor (22) With control system (17) connection communication.
2. a kind of integrated wisdom pump house as described in claim 1 and control system, it is characterised in that: the radiator drain Line (111) is equipped with water quality testing meter (16), and water quality testing meter (16) connects control system (17).
3. a kind of integrated wisdom pump house as described in claim 1 and control system, it is characterised in that: high area's outlet pipe Equipped with first flow detection meter (21), low area's outlet pipeline (27) is equipped with second flow detection and counts (23) on road (26), and first Flow detection meter (21) and second flow detection meter (23) are connected with control system (17) respectively.
4. a kind of integrated wisdom pump house as described in claim 1 and control system, it is characterised in that: the tank inlet pipe Line (112) is equipped with first filter (8).
5. a kind of integrated wisdom pump house as described in claim 1 and control system, it is characterised in that: the water tank is (in 11 Equipped with ultraviolet ray sterilizer (12), ultraviolet ray sterilizer (12) is connected with control system (17).
6. a kind of integrated wisdom pump house as described in claim 1 and control system, it is characterised in that: the radiator drain Line (111) is equipped with the second filter (15).
7. a kind of integrated wisdom pump house as described in claim 1 and control system, it is characterised in that: the equipment room (1) Interior to be equipped with access control system (19), access control system is connected with control system (17).
8. a kind of integrated wisdom pump house as described in claim 1 and control system, it is characterised in that: the equipment room (1) Interior to be equipped with camera (25), camera (25) is connected with control system (17).
9. a kind of integrated wisdom pump house as described in claim 1 and control system, it is characterised in that: the equipment room (1) Interior to be equipped with exhaust blower (13), exhaust blower (13) is connected with control system (17).
10. a kind of integrated wisdom pump house and control system as described in any one of claim 1-9, it is characterised in that: Dehumidifier (24) are equipped in the equipment room (1), dehumidifier (24) is connected with control system (17).
CN201811478324.0A 2018-12-05 2018-12-05 A kind of integration wisdom pump house and control system Pending CN109487855A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811478324.0A CN109487855A (en) 2018-12-05 2018-12-05 A kind of integration wisdom pump house and control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811478324.0A CN109487855A (en) 2018-12-05 2018-12-05 A kind of integration wisdom pump house and control system

Publications (1)

Publication Number Publication Date
CN109487855A true CN109487855A (en) 2019-03-19

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Application Number Title Priority Date Filing Date
CN201811478324.0A Pending CN109487855A (en) 2018-12-05 2018-12-05 A kind of integration wisdom pump house and control system

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Country Link
CN (1) CN109487855A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110725363A (en) * 2019-09-26 2020-01-24 南方泵业智水(杭州)科技有限公司 Water outlet compensation type supercharged box type non-negative-pressure water supply equipment
CN111255016A (en) * 2020-01-21 2020-06-09 奥利机械(集团)有限公司 Water supply equipment is with integration wisdom pump house

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206070656U (en) * 2016-08-31 2017-04-05 山东百特淂威节能装备有限公司 Box type negative-pressure-free supply equipment
CN206205056U (en) * 2016-11-25 2017-05-31 上海连成(集团)有限公司 A kind of non-negative pressure water service system
CN206308744U (en) * 2016-12-23 2017-07-07 上海海澄水务科技集团有限公司 A kind of municipal water supply equipment with multi-functional volume control device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206070656U (en) * 2016-08-31 2017-04-05 山东百特淂威节能装备有限公司 Box type negative-pressure-free supply equipment
CN206205056U (en) * 2016-11-25 2017-05-31 上海连成(集团)有限公司 A kind of non-negative pressure water service system
CN206308744U (en) * 2016-12-23 2017-07-07 上海海澄水务科技集团有限公司 A kind of municipal water supply equipment with multi-functional volume control device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110725363A (en) * 2019-09-26 2020-01-24 南方泵业智水(杭州)科技有限公司 Water outlet compensation type supercharged box type non-negative-pressure water supply equipment
CN111255016A (en) * 2020-01-21 2020-06-09 奥利机械(集团)有限公司 Water supply equipment is with integration wisdom pump house

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Application publication date: 20190319