CN211006862U - Two-tank three-cavity type non-negative-pressure water supply device with sterilization function - Google Patents

Two-tank three-cavity type non-negative-pressure water supply device with sterilization function Download PDF

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Publication number
CN211006862U
CN211006862U CN201921697100.9U CN201921697100U CN211006862U CN 211006862 U CN211006862 U CN 211006862U CN 201921697100 U CN201921697100 U CN 201921697100U CN 211006862 U CN211006862 U CN 211006862U
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water
tank
flow compensation
water supply
valve
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王金广
谭丽艳
孙凤军
王守法
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Yiyuan Rate Automatic Equipment Co ltd
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Yiyuan Rate Automatic Equipment Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

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Abstract

A two-tank three-cavity type non-negative pressure water supply device with a sterilization function belongs to the technical field of water supply equipment. The method is characterized in that: the energy storage tank (3) is arranged on the upper side of the steady flow compensation tank (2), a water outlet of the steady flow compensation tank (2) is connected with a water supply pipe (6), a water outlet of the sterilization device is communicated with a water inlet of the steady flow compensation tank (2), a water inlet of the sterilization device is connected with a water inlet pipe (4), an independent gas storage cavity (18) and a compensation cavity (19) are arranged in the energy storage tank (3), the gas storage cavity (18) is communicated with the top of the steady flow compensation tank (2), and the compensation cavity (19) is communicated with a water outlet of the water pump (7) and a water inlet of the steady flow compensation tank (2) through a reversing. The two-tank three-cavity non-negative-pressure water supply device with the sterilization function greatly saves energy consumption, enables equipment to run stably, and can sterilize tap water entering a steady flow compensation tank, so that the quality of the tap water supplied for the sterilization device is guaranteed.

Description

Two-tank three-cavity type non-negative-pressure water supply device with sterilization function
Technical Field
A two-tank three-cavity type non-negative pressure water supply device with a sterilization function belongs to the technical field of water supply equipment.
Background
Along with the progress of scientific technology, the gradual improvement of the water quality standard of a municipal water supply system and the enhancement of water supply capacity, the non-negative pressure water supply equipment is delivered at present, the equipment makes full use of the original pressure of a municipal pipe network to carry out superposition pressurization water supply, the occupied area is small, the energy is saved, the environment is protected, and a large amount of applications are obtained. However, the existing non-negative pressure compensation is mostly communicated with the atmosphere to eliminate negative pressure, and the working principle is as follows: the water inlet of the non-negative pressure tank is connected with a tap water pipe network, the water outlet is connected with a water pump until reaching a user, when tap water enters the non-negative pressure tank, the water level in the non-negative pressure tank gradually rises, and air in the non-negative pressure tank is automatically discharged through the non-negative pressure automatic exhaust valve, so that the interior of the non-negative pressure tank is communicated with the outside to form no pressure. When the water level in the non-negative pressure tank rises to a certain water level, the non-negative pressure valve closes the automatic exhaust valve after receiving a water level signal, so that the pressure in the non-negative pressure tank is slowly formed, the pressure in the non-negative pressure tank is gradually increased along with the continuous entering of water in the pipe network, and the water level in the non-negative pressure tank can be stabilized until the pressure in the non-negative pressure tank is balanced with the pressure in the water inlet pipe network. When the water consumption of the water pump is increased or the water consumption of the tap water pipe network is reduced, the air pressure of the non-negative pressure tank gradually expands, the water level gradually decreases, and when the water level is lower than the specified water level, the non-negative pressure valve receives a water level decrease signal, the automatic air inlet valve is opened, so that the vacuum is not formed in the non-negative pressure tank, and the suction stroke of the water pump is not formed.
The existing non-negative pressure water supply equipment has the following problems when in use: (1) when municipal tap water pipe network low pressure and short time user water, also need start-up water pump, lead to equipment power consumption high, the water pump starts moreover night, still can cause the noise, influences people's rest. (2) The existing non-negative pressure water supply equipment is usually directly communicated with the atmosphere, so that negative pressure generated in the equipment is avoided, and tap water is easy to cause secondary pollution when contacting with air.
The application number is 201620444464.6's chinese utility model patent discloses a no negative pressure bistable flow pressure compensation device, its equipment water header is direct to be supplied with the running water to steady voltage compensation chamber to compress the air of steady voltage compensation intracavity, thereby realized the steady voltage, the air of steady voltage compensation intracavity is in proper order through hindering liquid discharge valve, check valve arrival high pressure gas storage chamber, uses when in order to compensate. The non-negative pressure bistable flow pressure compensation device has the following problems in use: (1) the water outlet main pipe of the crystal equipment in the tap water inlet pipe enters the pressure stabilizing compensation cavity, so that the air pressure in the pressure stabilizing compensation cavity and the air pressure in the high-pressure air storage cavity are limited, and when the water pump is stopped, the flow of supplied water is limited, so that the requirement is difficult to meet; (2) the diameter of the tap water of the municipal pipe network is pressurized by a water pump and is supplied to users, the tap water is not treated, and the quality of the tap water supplied for use cannot be ensured.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, and the two-tank three-cavity negative-pressure-free water supply device with the sterilization function is provided, which can sterilize tap water entering a steady flow compensation tank and can enable the water pressure in a compensation cavity to meet the requirement.
The utility model provides a technical scheme that its technical problem adopted is: this two jars of three chamber formula no negative pressure water supply installation with function of disinfecting, its characterized in that: the energy storage tank is arranged on the upper side of the steady flow compensation tank, a water supply pipe is connected to a water outlet of the steady flow compensation tank, a water pump is arranged between the water supply pipe and a water outlet of the steady flow compensation tank, a water outlet of the sterilization device is communicated with a water inlet of the steady flow compensation tank, a water inlet pipe is connected to a water inlet of the sterilization device, an independent gas storage cavity and a compensation cavity are arranged in the energy storage tank, the gas storage cavity is communicated with the top of the steady flow compensation tank, and the compensation cavity is communicated with the water outlet of the water pump and the water inlet of the steady flow compensation tank through a.
Preferably, the water inlet pipe is provided with a water inlet valve, the sterilization device is arranged in parallel with the water inlet valve, and the water inlet of the sterilization device is provided with a sterilization valve.
Preferably, the system also comprises a water quality online detector, and a water inlet of the water quality online detector is communicated with a water inlet of the steady flow compensation tank.
Preferably, a water bag is arranged in the compensation cavity and is simultaneously communicated with a water outlet of the water pump and a water inlet of the steady flow compensation tank through a reversing valve.
Preferably, a plurality of water pumps are arranged between the steady flow compensation tank and the water supply pipe in parallel.
Preferably, a water outlet valve is arranged between the water inlet of the water pump and the water outlet of the steady flow compensation tank.
Preferably, a check valve is arranged between the water outlet of the water pump and the water supply pipe, and the compensation cavity is simultaneously communicated with the water supply pipe and the water inlet of the steady flow compensation tank through a reversing valve.
Preferably, a pressure reducing valve is arranged between the water inlet of the steady flow compensation tank and the reversing valve.
Preferably, an air storage valve is arranged between the air storage cavity and the steady flow compensation tank.
Preferably, the bottom of the steady flow compensation tank is connected with a drain pipe, and a drain valve is arranged on the drain pipe.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
1. the compensation cavity of the two-tank three-cavity type non-negative-pressure water supply device with the sterilization function is simultaneously communicated with the water outlet of the water pump and the water inlet of the steady-flow compensation cavity through the reversing valve, water is pumped into the compensation cavity through the water pump for storage, the compensation cavity is pressurized, the water pump can be closed when the municipal tap water pipe network has low pressure or the water consumption is less at night, the water in the steady-flow compensation tank is pressed into the water supply pipe through the compensation cavity, the energy consumption is greatly saved, the equipment runs stably, the pressure of the compensation cavity is high, and the smooth water supply can be ensured; the gas storage cavity can pour into the unnecessary gas of pollution-free gas and water pipe network into when equipment moves and store, under the condition that water pipe network does not have water, the gas of gas storage cavity enters into the stationary flow compensation jar, just so can avoid the water pipe network to produce the negative pressure and influence municipal tap water pipe network pressure, the energy storage jar sets up at stationary flow compensation jar upside, avoid the rivers in the stationary flow compensation jar to go into the gas storage cavity, sterilization apparatus can be to the running water sterilization that enters into the stationary flow compensation jar, guarantee to supply with the quality of the running water that is used for.
2. The sterilizing device is connected with the water inlet valve in parallel, when the pressure of tap water of the municipal tap water pipe network is low, the tap water directly enters the steady flow compensation tank through the water inlet valve, the problem that the tap water pressure is low due to the fact that the tap water flows through the sterilizing device to affect the water supply of the tap water is avoided, and when the water pressure is enough, the tap water enters the steady flow compensation tank after being sterilized through the sterilizing device.
3. The online water quality detector can real-time detect the water quality of tap water and ensure the quality of the tap water supplied for the online water quality detector.
4. The compensation intracavity is provided with the water pocket, and the water pocket is linked together through the delivery port of switching-over valve simultaneously with the water pump and the water inlet of stationary flow compensation jar, and water enters into and accomplishes the storage in the water pocket, avoids the gas in the compensation intracavity to cause secondary pollution to the running water, can adjust the pressure in the compensation intracavity through the mode to infusing gas in the compensation intracavity moreover, and then adjusts the water supply pressure when supplying water through the compensation chamber, and it is convenient to adjust.
5. A plurality of water pumps are arranged between the steady flow compensation tank and the water supply pipe in parallel, so that the water supply quantity input into the water supply pipe is convenient to adjust.
6. The water outlet valve is convenient for cutting off the water pump and the steady flow compensation tank, and the water pump is convenient to overhaul and replace.
7. The check valve can avoid the water pump stop work time, and the water of compensation intracavity flows back through the pipeline between compensation chamber and the water pump delivery port.
8. The pressure reducing valve can avoid overlarge pressure in the compensation cavity and ensure stable water pressure in the water supply pipe.
9. The drain pipe is convenient for regularly cleaning the steady flow compensation tank.
Drawings
Fig. 1 is a schematic perspective view of a two-tank three-chamber non-negative pressure water supply device with sterilization function.
Fig. 2 is a schematic top view of a two-tank three-chamber non-negative pressure water supply device with sterilization function.
Fig. 3 is a schematic structural view of a two-tank three-chamber type non-negative pressure water supply device with a sterilization function.
In the figure: 1. the device comprises a rack 2, a steady flow compensation tank 3, an energy storage tank 4, a water inlet pipe 5, a water inlet valve 6, a water supply pipe 7, a water pump 8, a check valve 9, a water outlet valve 10, an energy storage pipe 11, an electric reversing valve 12, a pressure reducing valve 13, a pressure increasing pipe 14, a communicating pipe 15, a water outlet pipe 16, a sewage discharge pipe 17, a sewage discharge valve 18, an air storage cavity 19, a compensation cavity 20, an air storage valve 21, an air storage pipe 22, a water bag 23, an ultraviolet sterilizer 24, a sterilization valve 25 and an online water quality detector.
Detailed Description
Fig. 1 to 3 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 3.
The utility model provides a two jars of three chamber formula no negative pressure water supply installation with function of disinfecting, including stationary flow compensation jar 2, energy storage jar 3 and sterilizing equipment, energy storage jar 3 sets up the upside at stationary flow compensation jar 2, the delivery port of stationary flow compensation jar 2 is connected with delivery pipe 6, and be provided with water pump 7 between the delivery port of delivery pipe 6 and stationary flow compensation jar 2, sterilizing equipment's delivery port is linked together with the water inlet of stationary flow compensation jar 2, sterilizing equipment's water inlet is connected with inlet tube 4, be provided with independent gas storage chamber 18 and compensation chamber 19 in the energy storage jar 3, gas storage chamber 18 is linked together with the top of stationary flow compensation jar 2, compensation chamber 19 is linked together through the switching-over valve with the delivery port of water pump 7 and the water. The compensation cavity 19 of the two-tank three-cavity type non-negative-pressure water supply device with the sterilization function is simultaneously communicated with the water outlet of the water pump 7 and the water inlet of the steady flow compensation tank 2 through the reversing valve, water is pumped into the compensation cavity 19 through the water pump for storage, the compensation cavity 19 is pressurized, the water pump 7 can be closed when the municipal tap water pipe network has low pressure or the water consumption is less at night, the water in the steady flow compensation tank 2 is pressed into the water supply pipe 6 through the compensation cavity 19, the energy consumption is greatly saved, the equipment can stably run, the pressure of the compensation cavity 19 is high, and smooth water supply can be ensured; the gas storage cavity 18 can pour into the pollution-free gas into and the unnecessary gas in the water pipe network is stored when equipment moves, under the condition that the water pipe network does not have water, gas in the gas storage cavity 18 enters into the stationary flow compensation jar 2, just so can avoid the water pipe network to produce the negative pressure and influence municipal tap water pipe network pressure, energy storage tank 3 sets up at 2 upsides of stationary flow compensation jar, avoid the rivers in the stationary flow compensation jar 2 to go into in the gas storage cavity 18, sterilization apparatus can be to the running water sterilization that enters into in the stationary flow compensation jar 2, guarantee to supply with the quality of the running water that is used for.
The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.
Specifically, the method comprises the following steps: as shown in FIGS. 1 to 3: stationary flow compensation jar 2 and the equal horizontal installation of energy storage jar 3 are in frame 1, and energy storage jar 3 is parallel and the interval sets up directly over stationary flow compensation jar 2, and inlet tube 4 is used for being linked together with municipal water supply network, and inlet tube 4 level sets up in one side of stationary flow compensation jar 2, and inlet tube 4 and stationary flow compensation jar 2 are parallel and the interval sets up, and stationary flow compensation jar 2 sets up between water pump 7 and inlet tube 4, and water pump 7 installs in frame 1. The water inlet valve 5 is arranged on the water inlet pipe 4, so that the on-off of water supply can be conveniently controlled.
In this embodiment, the sterilization device is an ultraviolet sterilizer 23, the ultraviolet sterilizer 23 is connected in parallel with the water inlet valve 5, the water inlet of the ultraviolet sterilizer 23 is communicated with the water inlet pipe 4 on the water inlet side of the water inlet valve 5, the water outlet of the ultraviolet sterilizer 23 is communicated with the water inlet pipe 4 on the water outlet side of the water inlet valve 5, and a sterilization valve 24 is arranged between the water inlet of the ultraviolet sterilizer 23 and the water inlet pipe 4. When the tap water in the municipal tap water pipe network is normal, the water inlet valve 5 is closed, the sterilizing valve 24 is opened, and the tap water enters the steady flow compensation tank 2 after being sterilized by the ultraviolet sterilizer 23; when the water pressure in the municipal tap water pipeline network is low, the sterilizing valve 24 is closed, the water inlet valve 5 is opened, and tap water directly enters the steady flow compensation tank 2, so that the influence on the supply of the tap water is avoided.
The water inlet pipe 4 is communicated with the water inlet of the steady flow compensation tank 2, so that tap water in the municipal tap water pipe network is conveyed into the steady flow compensation tank 2. The water inlet of the water pump 7 is communicated with the bottom of the steady flow compensation tank 2, and the water outlet is connected with a water supply pipe 6, so that water is supplied to a user.
The water pump 7 is provided with a plurality of in parallel, and in this embodiment, the water pump 7 is provided with four in parallel, and the bottom of stationary flow compensation jar 2 is linked together with delivery pipe 6 through outlet pipe 15, outlet pipe 15 and water pump 7 one-to-one, and water pump 7 sets up on the outlet pipe 15 that corresponds to can adjust the water supply of delivery pipe 6 through the number of the water pump 7 of opening, and adjust the convenience. All be provided with outlet valve 9 and check valve 8 on every water outlet pipe 15, outlet valve 9 sets up the water inlet at the water pump 7 that corresponds, and check valve 8 sets up the delivery port at the water pump 7 that corresponds, can enough make things convenient for maintenance and the change to water pump 7, can avoid the water backward flow in the compensation chamber 19 when water pump 7 stop work again.
The middle part of the energy storage tank 3 is provided with a partition board, so that the inner cavity of the energy storage tank 3 is divided into a compensation cavity 19 and a gas storage cavity 18, and a water sac 22 is arranged in the gas storage cavity 18.
The top of the steady flow compensation tank 2 is communicated with the gas storage cavity 18 through the gas storage pipe 21, the gas storage valve 20 is arranged on the gas storage pipe 21, the gas storage cavity 18 can be filled with pollution-free gas and redundant gas in a tap water pipe network to be stored when equipment runs, and when the tap water pipe network is in water, the gas in the gas storage cavity 18 enters the steady flow compensation tank 2, so that the tap water pipe network can be prevented from generating negative pressure to influence the pressure of the municipal tap water pipe network.
The water bladder 22 is in communication with both the water supply pipe 6 and the water inlet pipe 4 via a diverter valve, in this embodiment an electrically operated diverter valve 11, and with the ballast compensation tank 2 via the water inlet pipe 4. Three ports of the reversing valve are respectively communicated with the water supply pipe 6, the water inlet pipe 4 and the water bag 22 through the energy storage pipe 10, the pressure increasing pipe 13 and the communicating pipe 14, and the pressure reducing valve 12 is arranged on the pressure increasing pipe 13 to avoid overlarge water pressure entering the steady flow compensation tank 2. When the water pump 7 works, the water bag 22 is communicated with the water supply pipe 6 through the reversing valve, meanwhile, the water bag 22 is disconnected from the steady flow compensation tank 2, tap water in the steady flow compensation tank 2 is conveyed into the water supply pipe 6 through the water pump 7, part of the tap water in the water supply pipe 6 is supplied to a user for use, and the other part of the tap water enters the water bag 22 through the energy storage pipe 10 and the communicating pipe 14 for storage, so that the compensation cavity 19 is pressurized; when the water pump 7 stops working, the reversing valve cuts off the water bag 22 from the water supply pipe 6, meanwhile, the water bag 22 is communicated with the steady flow compensation tank 2, water in the water bag 22 enters the steady flow compensation tank 2 through the pressure in the compensation cavity 19, and tap water in the steady flow compensation tank 2 is pressed into the water supply pipe 6, so that stable water supply is realized.
The bottom of the steady flow compensation tank 2 is also connected with a drain pipe 16, and the drain pipe 16 is provided with a drain valve 17, so that the steady flow compensation tank 2 can be conveniently and regularly cleaned. The two-tank three-cavity non-negative-pressure water supply device with the sterilization function further comprises a water quality online detector 25, a water inlet of the water quality online detector 25 is communicated with a water inlet of the steady flow compensation tank 2, a water outlet of the water quality online detector 25 is communicated with a drain pipe 16 on a water outlet side of the drain valve 17, so that detected water is drained through a drain hook, a detection valve can be arranged between a gold water reservoir of the water quality online detector 25 and the water inlet of the steady flow compensation tank 2, the flow of water entering the water quality online detector 25 can be controlled, and the on-off of the water entering the water quality online detector 25 is conveniently controlled.
The air storage cavity 18 and the compensation cavity 19 can be connected with an air charging nozzle, so that air charging is facilitated, and the pressure in the air storage cavity 18 and the pressure in the compensation cavity 19 are respectively adjusted.
The working method of the two-tank three-cavity type non-negative-pressure water supply device with the sterilization function comprises the following steps: when the water pump 7 works normally, the energy storage pipe 10 is communicated with the communicating pipe 14 through the reversing valve, the communicating pipe is disconnected with the pressure increasing pipe 13, tap water in a municipal tap water network enters the steady flow compensation tank 2 after being sterilized through the water inlet pipe 4 through the ultraviolet sterilizer 23, meanwhile, gas in the steady flow compensation tank 2 enters the gas storage cavity 18 and is compressed to be free of pollution gas filled in the gas storage cavity 18, the tap water in the steady flow compensation tank 2 is pumped into the water supply pipe 6 through the water pump 7, part of water in the water supply pipe 6 is supplied to a user, and part of water enters the water bag 22 and pressurizes the compensation cavity 19. The online water quality detector 25 can monitor tap water entering the steady flow compensation tank 2 in real time.
When the water pump 7 stops working, the communicating pipe 14 is communicated with the pressure increasing pipe 13 through the reversing valve and is disconnected from the energy storage pipe 10, water in the water bag 22 enters the steady flow compensation tank 2, tap water in the steady flow compensation tank 2 is pressed into the water supply pipe 6, and normal and stable water supply is guaranteed.
When the municipal tap water pipe network cuts off water, the gas in the gas storage cavity 18 enters the steady flow compensation tank 2, so that negative pressure generated in the steady flow compensation tank 2 is avoided, and further the pressure on the municipal tap water pipe network is avoided. When the water pressure of the municipal tap water pipe network is low, tap water directly enters the steady flow compensation tank 2 without being sterilized by the ultraviolet sterilizer 23.
The communicating pipe 14 can be directly communicated with the compensation cavity 19, and the water bag 22 is filled with gas; the water bladder 22 may not be provided.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a two jars of three chamber formula no negative pressure water supply installation with function of disinfecting which characterized in that: including stationary flow compensation jar (2), energy storage tank (3) and sterilization apparatus, energy storage tank (3) set up the upside at stationary flow compensation jar (2), the delivery port of stationary flow compensation jar (2) is connected with delivery pipe (6), and be provided with water pump (7) between the delivery port of delivery pipe (6) and stationary flow compensation jar (2), sterilization apparatus's delivery port is linked together with the water inlet of stationary flow compensation jar (2), sterilization apparatus's water inlet is connected with inlet tube (4), be provided with independent gas storage chamber (18) and compensation chamber (19) in energy storage jar (3), gas storage chamber (18) are linked together with stationary flow compensation jar (2) top, compensation chamber (19) are linked together through the delivery port of switching-over valve simultaneously with water pump (7) and the water inlet of stationary flow compensation jar (2).
2. The two-tank three-chamber type non-negative pressure water supply device with sterilization function as claimed in claim 1, wherein: the water inlet pipe (4) is provided with a water inlet valve (5), the sterilizing device is connected with the water inlet valve (5) in parallel, and the water inlet of the sterilizing device is provided with a sterilizing valve (24).
3. The two-tank three-chamber type non-negative pressure water supply device with sterilization function as claimed in claim 1, wherein: the device also comprises an online water quality detector (25), wherein a water inlet of the online water quality detector (25) is communicated with a water inlet of the steady flow compensation tank (2).
4. The two-tank three-chamber type non-negative pressure water supply device with sterilization function as claimed in claim 1, wherein: and a water bag (22) is arranged in the compensation cavity (19), and the water bag (22) is simultaneously communicated with a water outlet of the water pump (7) and a water inlet of the steady flow compensation tank (2) through a reversing valve.
5. The two-tank three-chamber type non-negative pressure water supply device with sterilization function as claimed in claim 1, wherein: and a plurality of water pumps (7) are arranged in parallel between the steady flow compensation tank (2) and the water supply pipe (6).
6. The two-tank three-chamber type non-negative pressure water supply device with sterilization function according to claim 1 or 5, characterized in that: a water outlet valve (9) is arranged between the water inlet of the water pump (7) and the water outlet of the steady flow compensation tank (2).
7. The two-tank three-chamber type non-negative pressure water supply device with sterilization function as claimed in claim 6, wherein: a check valve (8) is arranged between the water outlet of the water pump (7) and the water supply pipe (6), and the compensation cavity (19) is communicated with the water supply pipe (6) and the water inlet of the steady flow compensation tank (2) through a reversing valve.
8. The two-tank three-chamber type non-negative pressure water supply device with sterilization function as claimed in claim 1, wherein: a pressure reducing valve (12) is arranged between the water inlet of the steady flow compensation tank (2) and the reversing valve.
9. The two-tank three-chamber type non-negative pressure water supply device with sterilization function as claimed in claim 1, wherein: an air storage valve is arranged between the air storage cavity (18) and the steady flow compensation tank (2).
10. The two-tank three-chamber type non-negative pressure water supply device with sterilization function as claimed in claim 1, wherein: the bottom of the steady flow compensation tank (2) is connected with a drain pipe (16), and the drain pipe (16) is provided with a drain valve (17).
CN201921697100.9U 2019-10-11 2019-10-11 Two-tank three-cavity type non-negative-pressure water supply device with sterilization function Active CN211006862U (en)

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Application Number Priority Date Filing Date Title
CN201921697100.9U CN211006862U (en) 2019-10-11 2019-10-11 Two-tank three-cavity type non-negative-pressure water supply device with sterilization function

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113279457A (en) * 2021-05-30 2021-08-20 上海上锐泵业(集团)有限公司 Double-tank type pressure-stabilizing compensation non-negative-pressure water supply equipment
CN113431144A (en) * 2021-06-23 2021-09-24 上海邦浦实业集团有限公司 Hydraulic detection system and detection method for secondary water supply equipment
CN113898028A (en) * 2021-11-25 2022-01-07 重庆昕晟环保科技有限公司 Secondary water supply processing apparatus with safeguard function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113279457A (en) * 2021-05-30 2021-08-20 上海上锐泵业(集团)有限公司 Double-tank type pressure-stabilizing compensation non-negative-pressure water supply equipment
CN113431144A (en) * 2021-06-23 2021-09-24 上海邦浦实业集团有限公司 Hydraulic detection system and detection method for secondary water supply equipment
CN113898028A (en) * 2021-11-25 2022-01-07 重庆昕晟环保科技有限公司 Secondary water supply processing apparatus with safeguard function

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