CN208594594U - A kind of non-negative pressure frequency-changing water supply device - Google Patents

A kind of non-negative pressure frequency-changing water supply device Download PDF

Info

Publication number
CN208594594U
CN208594594U CN201821140755.1U CN201821140755U CN208594594U CN 208594594 U CN208594594 U CN 208594594U CN 201821140755 U CN201821140755 U CN 201821140755U CN 208594594 U CN208594594 U CN 208594594U
Authority
CN
China
Prior art keywords
pipe
water
tank
valve
communicating pipe
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.)
Active
Application number
CN201821140755.1U
Other languages
Chinese (zh)
Inventor
赵晓娜
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.)
Tianhao Pump Industry Group Co Ltd
Original Assignee
Tianhao Pump Industry 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 Tianhao Pump Industry Group Co Ltd filed Critical Tianhao Pump Industry Group Co Ltd
Priority to CN201821140755.1U priority Critical patent/CN208594594U/en
Application granted granted Critical
Publication of CN208594594U publication Critical patent/CN208594594U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

Abstract

The utility model relates to the technical fields of urban water supply auxiliary equipment can prevent secondary pollution more particularly to a kind of non-negative pressure frequency-changing water supply device, improve use reliability;And the pressure that can efficiently use urban pipe network improves the energy saving of equipment, reduces supply equipment energy consumption, improves practicability;Including urban pipe network;Including water-supply-pipe, steady-flow tank, frequency conversion tank, air pressure tank, outfall sewer, water inlet manifold, first communicating pipe, second communicating pipe and flow pipe, it is sequentially communicated from left to right on first communicating pipe and is provided with the first import service valve, first variable frequency pump, first check valve and first outlet service valve, it is sequentially communicated from left to right on second communicating pipe and is provided with the second import service valve, second variable frequency pump, second one-way valve and second outlet service valve, pressure release valve device is provided on outfall sewer, frequency conversion tank is mounted on the rear side of steady-flow tank, and the first variable frequency pump and the second variable frequency pump are electrically connected with frequency conversion tank.

Description

A kind of non-negative pressure frequency-changing water supply device
Technical field
The utility model relates to the technical fields of urban water supply auxiliary equipment, supply water more particularly to a kind of non-negative-pressure variable frequency Equipment.
Background technique
It is well known that non-negative pressure frequency-changing water supply device is that a kind of occupy for people is lived, supply water, in order to which user is more preferable The auxiliary equipment with water, be widely used in a variety of applications in the field of the lives such as building, house and cell;Existing nothing is negative Pressing frequency-changing water supply device includes urban pipe network, reservoir, the first drinking-water pipe, the first suction pump, water tank, the second drinking-water pipe and second Suction pump, reservoir are mounted on building bottom, and water tank is mounted on building middle layer, and the output end of urban pipe network passes through a left side for reservoir End outer wall is stretched to inside reservoir and is connected to reservoir inside, and the input terminal of the first drinking-water pipe passes through the top outer wall of reservoir It stretches to inside reservoir and is connected to reservoir inside, the bottom end outer wall that the output end of the first drinking-water pipe passes through water tank stretches to water It is connected to inside case with water tank inside, the connection setting of the first suction pump is also set up on the first drinking-water pipe, and on the first drinking-water pipe There is the first water pumping valve, the top outer wall that the bottom end of the second drinking-water pipe passes through water tank is stretched to inside water tank and is connected to water tank inside, The connection of second suction pump is arranged on the second drinking-water pipe, and the second water pumping valve is additionally provided on the second drinking-water pipe, and first draws water Be respectively arranged with multiple groups branched pipe on pipe and the second drinking-water pipe, and the output end of branched pipe respectively with low layer, middle layer and high level User's connection;Existing non-negative pressure frequency-changing water supply device is in use, water is delivered to inside reservoir by urban pipe network first, then The first suction pump is opened, the water inside reservoir is pumped into inside water tank, is then to use by the water inside reservoir and water tank It supplies water at family;It is found in existing non-negative pressure frequency-changing water supply device use, the presence of reservoir and water tank, so that such confession Water mode is there are the risk of secondary pollution, and reservoir and tank inner wall dirt easy to attach breed moss, in reservoir and water tank The stagnant water of portion bottom end germ easy to breed, leakproofness is poor, is easy by outside contamination, while repair and maintenance is inconvenient, causes to make It is lower with reliability;Municipal ductwork pressure is not utilized effectively simultaneously, substantially reduces the energy saving of equipment, increases water supply and sets Standby energy consumption, it is poor so as to cause practicability.
Utility model content
In order to solve the above technical problems, the utility model, which provides one kind, prevents secondary pollution, use reliability is improved;And The pressure that urban pipe network can be efficiently used improves the energy saving of equipment, reduces supply equipment energy consumption, and the nothing for improving practicability is negative Press frequency-changing water supply device.
A kind of non-negative pressure frequency-changing water supply device of the utility model, including urban pipe network;Including water-supply-pipe, steady-flow tank, change Frequency cabinet, air pressure tank, outfall sewer, water inlet manifold, the first communicating pipe, the second communicating pipe and flow pipe, the left end of the water-supply-pipe It is connected to the output end of urban pipe network, the steady-flow tank is internally provided with current stabilization chamber, and the top setting and water inlet of steady-flow tank Mouthful, the water inlet is communicated with current stabilization chamber, and the output end of the water-supply-pipe is connected to water inlet, the bottom end setting of the steady-flow tank There is water outlet, and water outlet is communicated with current stabilization chamber, the input terminal of the water inlet manifold is connected to water outlet, the water inlet manifold Right side on be provided with two groups and go out moisture mouth, the input terminal of first communicating pipe and the second communicating pipe go out moisture with two groups respectively Mouth connection, the top of the steady-flow tank is additionally provided with pressure-detecting device and protection negative pressure eliminating device, and protection negative pressure eliminating device position In the right side of pressure-detecting device, the right side positioned at water inlet manifold of the outfall sewer, and the left side setting of outfall sewer There are two groups of water inlets to divide mouth, the output end of first communicating pipe and the second communicating pipe divide mouth to be connected to two groups of water inlets respectively, described It is located at the top of the second communicating pipe the first communicating pipe, is provided with flow pipe, the flow pipe on the right side of the bottom end of the outfall sewer Output end be connected to respectively with multiple groups user, be sequentially communicated from left to right on first communicating pipe be provided with the first import maintenance Valve, the first variable frequency pump, the first check valve and first outlet service valve are sequentially communicated from left to right on second communicating pipe and set It is equipped with the second import service valve, the second variable frequency pump, second one-way valve and second outlet service valve, the air pressure tank is located at water outlet The top of general pipeline, and air pressure tank is internally provided with atmospheric pressure cavity, and the bottom end of the air pressure tank, which is provided with out, presses mouth, the water outlet The top of general pipeline is connected to pressure mouth is gone out, and pressure release valve device is additionally provided on outfall sewer, and the frequency conversion tank is mounted on current stabilization The rear side of tank, and the first variable frequency pump and the second variable frequency pump are electrically connected with the frequency conversion tank.
A kind of non-negative pressure frequency-changing water supply device of the utility model, further include secondary inlet service valve, auxiliary variable frequency pump, Check valve, pilot outlet service valve and auxiliary communication pipe are assisted, is provided on the right side of the water inlet manifold and assists out moisture mouth, institute It states to be provided with auxiliary on the left of outfall sewer and intake and divides mouth, the left end of the auxiliary communication pipe is connected to moisture mouth is assisted out, and And the right end of auxiliary communication pipe divides mouth to be connected to auxiliary water inlet, the secondary inlet service valve, auxiliary variable frequency pump, auxiliary are unidirectional Valve and pilot outlet service valve, which are sequentially communicated, to be arranged on auxiliary communication pipe, and auxiliary communication pipe is located at the second cross over pipe or more Side, and variable frequency pump is assisted to be electrically connected with frequency conversion tank.
A kind of non-negative pressure frequency-changing water supply device of the utility model, further includes negative pressure preventing module and backflow preventer, described Negative pressure preventing module and backflow preventer are separately mounted on the water-supply-pipe, and backflow preventer is located at a left side for negative pressure preventing module Side.
A kind of non-negative pressure frequency-changing water supply device of the utility model further includes three groups of Y-shaped filters, described three groups " Y " Type filter, which is respectively communicated with, to be arranged on the first communicating pipe, the second communicating pipe and auxiliary communication pipe, and three groups of Y-shaped filters It is located at the right side of the first import service valve, the second import service valve and secondary inlet service valve.
A kind of non-negative pressure frequency-changing water supply device of the utility model, further includes sewage pipe and blowdown valve, the steady-flow tank Bottom end is provided with sewage draining exit, and sewage draining exit is communicated with current stabilization chamber, and the input terminal of the sewage pipe is connected to sewage draining exit, and is arranged The output end of dirty pipe communicates with the outside world, and the blowdown valve is mounted on sewage pipe.
Compared with prior art the utility model has the following beneficial effects: by above-mentioned setting, steady-flow tank, first can be passed through Variable frequency pump, the second variable frequency pump and air pressure tank are continuously user's water supply, while the first variable frequency pump and the second variable frequency pump are A preparation and a use setting, maintenance convenient to overhaul prevent secondary pollution, improve use reliability;And it can be by being set on steady-flow tank The pressure of pressure release valve device effective use urban pipe network on the pressure-detecting device and protection negative pressure eliminating device and air pressure tank set, mentions The energy saving of high equipment reduces supply equipment energy consumption, improves practicability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
It is attached marked in the figure: 1, urban pipe network;2, water-supply-pipe;3, steady-flow tank;4, frequency conversion tank;5, air pressure tank;6, outfall sewer; 7, water inlet manifold;8, the first communicating pipe;9, the second communicating pipe;10, flow pipe;11, the first import service valve;12, the first frequency conversion Water pump;13, the first check valve;14, first outlet service valve;15, the second variable frequency pump;16, pressure release valve device;17, assist into Mouth service valve;18, variable frequency pump is assisted;19, check valve is assisted;20, pilot outlet service valve;21, auxiliary communication pipe;22, prevent Negative pressure module;23, backflow preventer;24, Y-shaped filter;25, sewage pipe;26, blowdown valve.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1, a kind of non-negative pressure frequency-changing water supply device of the utility model, including urban pipe network 1;Including water-supply-pipe 2, steady-flow tank 3, frequency conversion tank 4, air pressure tank 5, outfall sewer 6, water inlet manifold 7, the first communicating pipe 8, the second communicating pipe 9 and flow pipe 10, the left end of water-supply-pipe is connected to the output end of urban pipe network, and steady-flow tank is internally provided with current stabilization chamber, and the top of steady-flow tank Setting and water inlet, water inlet are communicated with current stabilization chamber, and the output end of water-supply-pipe is connected to water inlet, and the bottom end of steady-flow tank is provided with Water outlet, and water outlet is communicated with current stabilization chamber, and the input terminal of water inlet manifold is connected to water outlet, is set on the right side of water inlet manifold It is equipped with two groups and goes out moisture mouth, the input terminal of the first communicating pipe and the second communicating pipe go out moisture mouth with two groups respectively and is connected to, steady-flow tank Top be additionally provided with pressure-detecting device and protection negative pressure eliminating device, and protection negative pressure eliminating device is located at the right side of pressure-detecting device Side, the right side positioned at water inlet manifold of outfall sewer, and be provided with two groups of water inlets on the left of outfall sewer and divide mouth, the first connection Pipe and the output end of the second communicating pipe divide mouth to be connected to two groups of water inlets respectively, and the first communicating pipe was located at the top of the second communicating pipe, It is provided with flow pipe on the right side of the bottom end of outfall sewer, the output end of flow pipe is connected to multiple groups user respectively, on the first communicating pipe It is sequentially communicated from left to right and is provided with the first import service valve 11, the first variable frequency pump 12, the first check valve 13 and first outlet Service valve 14 is sequentially communicated from left to right on second communicating pipe and is provided with the second import service valve, the second variable frequency pump 15, second Check valve and second outlet service valve, air pressure tank be located at the top of outfall sewer, and air pressure tank is internally provided with atmospheric pressure cavity, The bottom end of air pressure tank, which is provided with out, presses mouth, and the top of outfall sewer is connected to pressure mouth is gone out, and is additionally provided with and is let out on outfall sewer Pressure valve device 16, frequency conversion tank are mounted on the rear side of steady-flow tank, and the first variable frequency pump and the second variable frequency pump are and frequency conversion tank Electrical connection;By above-mentioned setting, use can be continuously by steady-flow tank, the first variable frequency pump, the second variable frequency pump and air pressure tank Family is supplied water, while the first variable frequency pump and the second variable frequency pump are a preparation and a use setting, and maintenance convenient to overhaul prevents secondary dirt Dye improves use reliability;And the pressure-detecting device and protection negative pressure eliminating device that are arranged on steady-flow tank and air pressure can be passed through The pressure of pressure release valve device effective use urban pipe network on tank, improves the energy saving of equipment, reduces supply equipment energy consumption, improve Practicability.
A kind of non-negative pressure frequency-changing water supply device of the utility model further includes secondary inlet service valve 17, auxiliary frequency conversion water Pump 18 assists check valve 19, pilot outlet service valve 20 and auxiliary communication pipe 21, and auxiliary water outlet is provided on the right side of water inlet manifold To divide mouth, auxiliary water inlet is provided on the left of outfall sewer and divides mouth, the left end of auxiliary communication pipe is connected to moisture mouth is assisted out, and The right end of auxiliary communication pipe divides mouth to be connected to auxiliary water inlet, secondary inlet service valve, auxiliary variable frequency pump, auxiliary check valve and auxiliary It helps outlet service valve to be sequentially communicated to be arranged on auxiliary communication pipe, and auxiliary communication pipe is located at the second cross over pipe upper and lower, and And auxiliary variable frequency pump is electrically connected with frequency conversion tank;By above-mentioned setting, night small flow can be realized by assisting variable frequency pump It supplies water, prevents night water resource waste, improve practicability.
A kind of non-negative pressure frequency-changing water supply device of the utility model, further includes negative pressure preventing module 22 and backflow preventer 23, Negative pressure preventing module and backflow preventer are separately mounted on water-supply-pipe, and backflow preventer is located at the left side of negative pressure preventing module; By above-mentioned setting, can prevent from generating negative pressure between urban pipe network and steady-flow tank by negative pressure preventing module and backflow preventer, And aqueous reflux phenomenon is caused, improve safety.
A kind of non-negative pressure frequency-changing water supply device of the utility model further includes three groups of Y-shaped filters 24, three groups of Y-shapeds Filter, which is respectively communicated with, to be arranged on the first communicating pipe, the second communicating pipe and auxiliary communication pipe, and three groups of Y-shaped filters point Not Wei Yu the first import service valve, the second import service valve and secondary inlet service valve right side;Pass through above-mentioned setting, Ke Yiyou The contaminant filter that will contain in pipeline of effect, while Y-shaped filter interior filter core is detachable, cleaning replacement is convenient, improves real The property used.
A kind of non-negative pressure frequency-changing water supply device of the utility model, further includes sewage pipe 25 and blowdown valve 26, steady-flow tank Bottom end is provided with sewage draining exit, and sewage draining exit is communicated with current stabilization chamber, and the input terminal of sewage pipe is connected to sewage draining exit, and sewage pipe Output end communicate with the outside world, blowdown valve is mounted on sewage pipe;It, can be effectively by steady-flow tank bottom end by above-mentioned setting Stagnant water cleaning discharge, it is easy to clean.
A kind of non-negative pressure frequency-changing water supply device of the utility model, at work, before completing above-mentioned movement, first It is moved into the position of user's needs, the water of urban pipe network is input by water-supply-pipe into steady-flow tank, and steady-flow tank carries out water Current stabilization, then opens frequency conversion tank, and frequency conversion tank controls the first variable frequency pump on the first communicating pipe and opens, open simultaneously air pressure tank into Row pressure maintaining is supplied water for user, if the first communicating pipe upper pump valve assemblies are damaged, closes the first import service valve and the One outlet service valve, by the first communicating pipe close, open the second communicating pipe on the second import service valve, the second variable frequency pump and Second outlet service valve is that user continues to supply water, and then overhauls the pump valve assemblies on the first communicating pipe, and when night closes first and connects Siphunculus and the second communicating pipe the pump valve assemblies on auxiliary communication pipe are opened, carries out small flow water supply for user.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into modification.

Claims (5)

1. a kind of non-negative pressure frequency-changing water supply device, including urban pipe network (1);It is characterised in that it includes water-supply-pipe (2), steady-flow tank (3), frequency conversion tank (4), air pressure tank (5), outfall sewer (6), water inlet manifold (7), the first communicating pipe (8), the second communicating pipe (9) and The left end of flow pipe (10), the water-supply-pipe (2) is connected to the output end of urban pipe network (1), setting inside the steady-flow tank (3) There is current stabilization chamber, and water inlet is arranged in the top of steady-flow tank (3), the water inlet is communicated with current stabilization chamber, the water-supply-pipe (2) Output end is connected to water inlet, and the bottom end of the steady-flow tank (3) is provided with water outlet, and water outlet is communicated with current stabilization chamber, institute The input terminal for stating water inlet manifold (7) is connected to water outlet, is provided with two groups on the right side of the water inlet manifold (7) and is gone out moisture mouth, First communicating pipe (8) and the input terminal of the second communicating pipe (9) go out moisture mouth with two groups respectively and are connected to, the steady-flow tank (3) Top be additionally provided with pressure-detecting device and protection negative pressure eliminating device, and protection negative pressure eliminating device is located at the right side of pressure-detecting device Side, the outfall sewer (6) are located at the right side of water inlet manifold (7), and two groups of water inlets point are provided on the left of outfall sewer (6) Mouthful, first communicating pipe (8) and the output end of the second communicating pipe (9) divide mouth to be connected to two groups of water inlets respectively, and described first connects Siphunculus (8) is located at the top of the second communicating pipe (9), is provided with flow pipe (10) on the right side of the bottom end of the outfall sewer (6), described The output end of flow pipe (10) is connected to multiple groups user respectively, is sequentially communicated setting from left to right on first communicating pipe (8) There are the first import service valve (11), the first variable frequency pump (12), the first check valve (13) and first outlet service valve (14), it is described It is sequentially communicated from left to right on second communicating pipe (9) and is provided with the second import service valve, the second variable frequency pump (15), second unidirectionally Valve and second outlet service valve, the air pressure tank (5) are located at the top of outfall sewer (6), and the inside setting of air pressure tank (5) There is atmospheric pressure cavity, the bottom end of the air pressure tank (5), which is provided with out, presses mouth, and the top of the outfall sewer (6) is connected to pressure mouth is gone out, and And pressure release valve device (16) are additionally provided on outfall sewer (6), the frequency conversion tank (4) is mounted on the rear side of steady-flow tank (3), and First variable frequency pump (12) and the second variable frequency pump (15) are electrically connected with the frequency conversion tank (4).
2. a kind of non-negative pressure frequency-changing water supply device as described in claim 1, which is characterized in that further include secondary inlet service valve (17), variable frequency pump (18), auxiliary check valve (19), pilot outlet service valve (20) and auxiliary communication pipe (21) are assisted, it is described It is provided on the right side of water inlet manifold (7) and assists out moisture mouth, auxiliary water inlet is provided on the left of the outfall sewer (6) and divides mouth, The left end of the auxiliary communication pipe (21) is connected to moisture mouth is assisted out, and the right end of auxiliary communication pipe (21) and auxiliary are intake Divide mouth connection, the secondary inlet service valve (17), auxiliary variable frequency pump (18), auxiliary check valve (19) and pilot outlet maintenance Valve (20), which is sequentially communicated, to be arranged on auxiliary communication pipe (21), and auxiliary communication pipe (21) is located at the second cross over pipe upper and lower, And variable frequency pump (18) is assisted to be electrically connected with frequency conversion tank (4).
3. a kind of non-negative pressure frequency-changing water supply device as claimed in claim 2, which is characterized in that further include negative pressure preventing module (22) With backflow preventer (23), the negative pressure preventing module (22) and backflow preventer (23) are separately mounted on the water-supply-pipe (2), And backflow preventer (23) is located at the left side of negative pressure preventing module (22).
4. a kind of non-negative pressure frequency-changing water supply device as claimed in claim 3, which is characterized in that further include three groups " filtering of Y " type Device (24), described three groups " Y " type filter (24) is respectively communicated with setting in the first communicating pipe (8), the second communicating pipe (9) and auxiliary On communicating pipe (21), and three groups " Y " type filter (24) is located at the first import service valve (11), the second import service valve With the right side of secondary inlet service valve (17).
5. a kind of non-negative pressure frequency-changing water supply device as claimed in claim 4, which is characterized in that further include sewage pipe (25) and row The bottom end of dirty valve (26), the steady-flow tank (3) is provided with sewage draining exit, and sewage draining exit is communicated with current stabilization chamber, the sewage pipe (25) input terminal is connected to sewage draining exit, and the output end of sewage pipe (25) communicates with the outside world, blowdown valve (26) installation On sewage pipe (25).
CN201821140755.1U 2018-07-18 2018-07-18 A kind of non-negative pressure frequency-changing water supply device Active CN208594594U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821140755.1U CN208594594U (en) 2018-07-18 2018-07-18 A kind of non-negative pressure frequency-changing water supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821140755.1U CN208594594U (en) 2018-07-18 2018-07-18 A kind of non-negative pressure frequency-changing water supply device

Publications (1)

Publication Number Publication Date
CN208594594U true CN208594594U (en) 2019-03-12

Family

ID=65603211

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821140755.1U Active CN208594594U (en) 2018-07-18 2018-07-18 A kind of non-negative pressure frequency-changing water supply device

Country Status (1)

Country Link
CN (1) CN208594594U (en)

Similar Documents

Publication Publication Date Title
CN201321636Y (en) Integrated intelligent water supply pump station
CN207633434U (en) A kind of cistern water supply system
CN206902825U (en) A kind of pipe network laminated press frequency conversion water system
CN207776007U (en) A kind of non-negative pressure water-supply installation
CN208594594U (en) A kind of non-negative pressure frequency-changing water supply device
CN1904237A (en) Pipe network superimposed water supply device
CN213682327U (en) Municipal administration water pipe network steady voltage water tank
CN2903190Y (en) Pllution-free sterilizing type pipe net overlay pressing water supplying equipment
CN201024440Y (en) Mute pressurizing pump and non-negative pressure water supply equipment
CN209099434U (en) It is a kind of to purify at mantle without negative pressure pressurization supply equipment
CN208309683U (en) A kind of box integrated pump station of included pipeline enclosure
CN2587946Y (en) No-negative pressure boosting apparatus
CN213979140U (en) Integrated pump room water supply device
CN208884629U (en) A kind of mute type water tank-type pressure-superposed
CN214829450U (en) Municipal drainage is environmental protection filter equipment for pipeline
CN201031409Y (en) Non negative-pressure water supply apparatus
CN204023719U (en) A kind of box voltage-stabilizing and energy-saving water system that laminates
CN104746555A (en) Double-tank adjustable pipe network pressure-superposed water supply device
CN203393776U (en) Non-negative pressure pipe network pressure-boosting and flow-stabilizing water supply device
CN203569638U (en) Intelligent tank-type water supplying equipment
CN104746561A (en) Integrated pipe net overlying water supply equipment
CN212835624U (en) Absolute pressure secondary water supply equipment
CN219907320U (en) High-efficient integration water purification treatment facility
CN219860694U (en) Filter structure for rural domestic water treatment
CN217419833U (en) Special negative pressure-free water supply equipment for plateau

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant