CN208309701U - A kind of Intelligent pipe net laminating water supply equipment with water tank - Google Patents
A kind of Intelligent pipe net laminating water supply equipment with water tank Download PDFInfo
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- CN208309701U CN208309701U CN201820594789.1U CN201820594789U CN208309701U CN 208309701 U CN208309701 U CN 208309701U CN 201820594789 U CN201820594789 U CN 201820594789U CN 208309701 U CN208309701 U CN 208309701U
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Abstract
The utility model relates to the box pressure-superposed water supplying facility field of suitching type, in particular to a kind of Intelligent pipe net laminating water supply equipment with water tank.The supply equipment integrate stainless steel pressure tank, Intelligent pressure unit, automatic open-close type overflow mechanism, flow controller, human-computer dialogue formula Intelligent control cabinet of new generation, without negative pressure device, steady flow compensation device, pressurizer, there is certain Regulation capacity, it is still available for water after power failure, is not required to keep an eye on after debugging.It is not required to build water tower, supports small, land occupation less, flexible arrangement is constructed and put into operation fast, while solving secondary pollution in water supply and low noise.
Description
Technical field
The utility model relates to the box pressure-superposed water supplying facility field of suitching type, in particular to a kind of Intelligent pipe nets with water tank
Laminating water supply equipment.
Background technique
Traditional laminating water supply equipment is directly intake using city planting ductwork, can have section effectively using municipal pressure
Can, the advantages of being not likely to produce secondary pollution and take up little area, but traditional frequency conversion laminating water supply equipment, cut off the water or stop in city planting ductwork
In the case where electricity, the interruption with water will result in, on peak when water, be not able to satisfy large area water and high-storey water.Not yet
Unit, factory or the rural area of tap water, such equipment do not laminate function, are less useful for the popularization of product, cannot respond country
Call about energy-saving consumption-reducing.
Utility model content
In view of problem above, the utility model provides a kind of Intelligent pipe net laminating water supply equipment with water tank, using water
Gas automatic adjustment, automatic operating, energy conservation and tap water auto-parallel, have certain Regulation capacity, water are still available for after power failure, debug
After be not required to keep an eye on.It is not required to build water tower, supports small, land occupation less, flexible arrangement is constructed and put into operation fast, while solving secondary water-supply
Pollution and low noise, the production, life, office that can be widely used for enterprises and institutions, residential quarter and rural area are supplied water.
In order to realize above-mentioned purpose of utility model, the utility model the following technical schemes are provided:
A kind of Intelligent pipe net laminating water supply equipment with water tank in the utility model, whole equipment are in closed operation, packet
Include flow regulator, several water pumps, protection negative pressure eliminating device, control cabinet, supercharging device, pressure tank, automatic open-close type overflow dress
It sets and pressure regulator, the protection negative pressure eliminating device includes steady flow compensator and vacuum suppresser, protection negative pressure eliminating device is for disappearing
Except the vacuum phenomenon generated in pipe network, avoid generating negative pressure.Municipal tap water pipe network water inlet is respectively directly in steady flow compensator
It is connected with pressure tank, steady flow compensator and city planting ductwork integrally laminate elimination negative pressure, eliminate secondary pollution, and intelligent compensation is used
Water flow.The branch road that the municipal tap water pipe network water inlet is connected with steady flow compensator is equipped with municipal intake pressure sensing
Device reaches control system for intake pressure signal to be converted into electric signal.The side of the flow regulator is equipped with filtering
Device, flow regulator can maintain flow constant, record data on flows directly according to design setting flow.Filter device is used to
The impurity in medium is removed, to protect the normal use of valve and equipment.Electronic components, the unit are connected on rear side of the water pump
Part includes pipe fitting and gate valve, and the thermomechanical components are also connected with diaphragm air pressure tank, and the diaphragm air pressure tank is located at the side of water pump,
Diaphragm air pressure tank is used for buffer system pressure oscillation, eliminates water hammer and plays pressure stabilizing off-load.User terminal is provided in the thermomechanical components
The pipeline branch road of pressure sensor, the thermomechanical components is equipped with pressure regulator, for the detection of pressure medium signal, display,
Alarm and control signal output, it is ensured that system operates normally.Gate valve, no is bolted in the outlet pipeline of the pressure tank
Rust steel connecting hose, supercharging device, check-valves and protection negative pressure eliminating device are commonly connected to water pump and form the first pipeline branch, and described the
One pipeline branch road is equipped with electric controller and maintenance valve, and the electric controller can realize on-off action, and adjustment type is electronic
Valve realizes valve position regulatory function.Through flanged joint on the first pipeline branch road, maintenance valve is used for transmission the maintenance valve
Liquid controls the on-off of fluid path, reaches maintenance purpose.Supercharging device setting electric controller and maintenance valve it
Between, for supplementing municipal tap water pipe network intake pressure.The first pipeline branch is equipped with several short tubes, and the short tube passes through butterfly
Valve, rubber soft joint are connected with the water inlet of water pump, and the water outlet of each water pump is by short tube and total outlet pipe road
It is connected, butterfly valve, rubber soft joint and check-valves is successively arranged between the water pump and total outlet pipe road, the water pump is in connect side by side
It connects, the steady flow compensator is connected to total outlet pipe road by short tube, and ball valve, the control are equipped in the steady flow compensator
Cabinet is connected with water pump, and designed frequency-conversion control cabinet has higher intelligence.Realize the detection at two-way water source, alarm, from
Dynamic switching；Realize to water tank moisturizing, water storage, water source switching, each link of pressure operation United Dispatching, reasonable management.It can be attached
Add automatic inspection function, reduces estate management expense.Control system, which has, to manually boot stopping, starting stopping mode automatically, is pre-
Stay remote-controlled operation interface, automatic switchover of stand by pump, pressure control, high-low voltage protection, phase failure protection, earth leakage protective, overload
The functions such as protection, overheating protection, trip protection, system fully automatic operation is without staff on duty, man-machine interface, can remotely adjust,
Monitoring and maintenance.The user terminal pressure sensor is connected by pressure short tube with total outlet pipe road, and user's end pressure is passed through
Discharge pressure signal is converted into electric signal and reaches control system by sensor.The pressure sensor passes through signal wire and control cabinet
It is connected, equipment detects outlet pressure by pressure sensor in real time, will test value and setting value is compared, calculate in municipal administration
Increased pressure value is needed on the basis of pressure more than tap water pipe network, determines water pump investment number of units and frequency converter output frequency, adjustment
The revolving speed realization of water pump laminates constant pressure water supply or laminates the control of variable-pressure water supply.The total outlet pipe road is arranged outside pressure tank
Portion, the total outlet pipe road are reserved with flange plate.
Preferably, the municipal tap water pipe network water inlet by gate valve and remote control float valve be connected.
Preferably, the pressure tank lower part is additionally provided with drain outlet, for being vented water tank memory water, cleans convenient for water tank
Maintenance.
Preferably, the water pump selects stainless steel centrifugal multistage pump multiple centrifugal pump.
Preferably, the steady flow compensation device selects vacuum tank.
Preferably, the control cabinet is man-machine dialog mode Intelligent control cabinet.
Preferably, the pressure tank is stainless steel pressure tank.
Preferably, the control cabinet is connected by cable with the motor box on water pump.
Preferably, stainless steel material equipment used in the Intelligent pipe net laminating water supply equipment with water tank be food-grade not
Rust 304 material of steel is made.
Coordinative composition of equipments is easy for installation, only one the city planting ductwork import of no negative pressure box-typed pump station and a service water outlet docking
Mouthful.System water supply is stablized, even if pipe network is temporarily cut off the water supply, also can fully ensure that system end pressure by water tank normal water supply, with
When can do two-way water source switching, and run according to water condition manual handling equipment.Equipment is at runtime by municipal tap water
Pressure, be superimposed required pressure difference on the basis of original ductwork pressure, how much is difference, mend how much, make full use of the remaining of pipe network
Pressure, system adjust automatically water pump operation number of units or adjustment pump rotary speed realize that high efficiency point is run always.When intake pressure can expire
When sufficient design pressure, water pump enters suspend mode power save mode.Therefore operating cost is greatly saved, meets the requirement of national energy-saving.
Advantages and beneficial effects of the utility model lie in that a kind of Intelligent pipe net laminating water supply equipment with water tank is provided,
The novel electromechanical integration supply equipment combined by computer technology, converter technique with electric-motor pump, to meet city water service pipe
In net, negative pressure is neither generated when drawing water, and has certain Regulation capacity, and peak period is not cut off the water supply the requirement cut off the water.Using microcomputer
It controls variable frequency pump and the original pressure of city planting ductwork is utilized with a constant revolution operation, there are energy-saving and environmental protection, low noise, water supply
The advantages that pressure is constant.Intelligent pipe net laminating water supply equipment protection ductwork pressure with water tank adjusts potential peak usage, energy conservation, peace
Entirely, environmental protection, water supply high-quality, solve secondary pollution in water supply and low noise.It is set in addition, the Intelligent pipe net with water tank laminates water supply
It is standby to be not required to build water tower, invest that small, land occupation is few, using aqueous vapor automatic adjustment, automatic operating, energy conservation and tap water auto-parallel,
Water is still available for after power failure, the several years is not required to keep an eye on after debugging.Than building water tower investment reduction 70%, thrown than building high water tank saving
Money 60%, greatlys save construction investment.Intelligent pipe net laminating water supply equipment with water tank can make full use of during laminating water supply
The pressure potential that municipal water sources itself have, how much is the how many benefits of difference, superposition and automatic frequency-conversion operation side using ductwork pressure
Formula, energy-saving effect are significantly improved.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the Intelligent pipe net laminating water supply equipment schematic diagram with water tank.
Description of symbols
1. 3. filter device of municipal intake pressure 2. flow regulator of sensor, 4. steady flow compensator
5. 6. diaphragm air pressure tank of water pump, 7. thermomechanical components, 8. user terminal pressure sensor
9. 10. electric controller of protection negative pressure eliminating device, 11. control cabinet, 12. supercharging device
13. overhauling 14. pressure tank of valve, 15. drain outlet, 16. pressure regulator
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
Embodiment 1
Whole equipment is in closed operation, including flow regulator 2, three water pumps 5, protection negative pressure eliminating devices 9, control cabinet
11, supercharging device 12, pressure tank 14, automatic open-close type overflow mechanism and pressure regulator 16, the protection negative pressure eliminating device 9 wrap
Steady flow compensator 4 and vacuum suppresser are included, municipal tap water pipe network water inlet is respectively directly in steady flow compensator 4 and pressure tank
14 are connected, and the branch road that the municipal tap water pipe network water inlet is connected with steady flow compensator 4 is equipped with municipal intake pressure
Sensor 1, the side of the flow regulator 2 are equipped with filter device 3, and electronic components 7 are connected on rear side of the water pump 5, described
Thermomechanical components 7 include pipe fitting and gate valve, and the thermomechanical components 7 are also connected with diaphragm air pressure tank 6, and the diaphragm air pressure tank 6 is located at water
5 side is pumped, user terminal pressure sensor 8 is provided in the thermomechanical components 7, the pipeline branch road of the thermomechanical components 7 is equipped with pressure
Draught control mechanism 16, the outlet pipeline of the pressure tank 14 are bolted gate valve, stainless steel soft connector, supercharging device, stop
It returns valve and protection negative pressure eliminating device 9 is commonly connected to water pump 5 and forms the first pipeline branch, the first pipeline branch road is equipped with electronic
Controller 10 and maintenance valve 13, the maintenance valve 13 pass through flanged joint on the first pipeline branch road, the supercharging device
Between electric controller 10 and maintenance valve 13, the first pipeline branch is equipped with several short tubes for 12 settings, and the short tube is logical
Cross butterfly valve, rubber soft joint is connected with the water inlet of water pump 5, the water outlet of each water pump 5 be by short tube and it is total go out
Water lines are connected, and butterfly valve, rubber soft joint and check-valves, the water pump 5 are successively arranged between the water pump 5 and total outlet pipe road
In connection arranged side by side, the steady flow compensator 4 is connected to total outlet pipe road by short tube, is equipped with ball in the steady flow compensator 4
Valve, the control cabinet 11 are connected with water pump 5, and the user terminal pressure sensor 8 passes through pressure short tube and total outlet pipe road phase
Connection, the pressure sensor 8 are connected by signal wire with control cabinet 11, and the total outlet pipe road is arranged outside pressure tank 14
Portion, the total outlet pipe road are reserved with flange plate.
The hermetically sealed operation of system, foreign matters enter internal system, do not contact directly with air.Such as anti-negative pressure or decompression dress
When setting starting, membrane-filtering unit blocks the bacterium in air, does not enter system, prevents with water secondary pollution, it is ensured that the water hygiene is used,
Meet people to drinking water increasingly higher demands, also complies with the world and paddle hygienic practice.
Embodiment 2
All flow passage components of supply equipment are all made of 304 material of food-grade stainless steel and manufacture, equipment closed operation, no
With contacting external air, avoid the secondary pollution of water, in conjunction with laminate pressure tank 14 ensure that in municipal hypotony or
The reliability of water when cutting off the water directly absorbs water from water supply network, detects pressure by municipal intake pressure sensor 2, will examine
Measured value and setting value are compared, and are calculated and are needed increased pressure on the basis of original pressure of municipal tap water pipe network
Value determines that water pump 5 puts into number of units and frequency converter output frequency, adjusts the revolving speed of water pump 5 to meet curves for water use and realize that constant pressure supplies
Water or variable-pressure water supply.
Described below by way of different city planting ductwork water supply situations working principle of the utility model is:
Working condition 1: when equipment normal operating conditions, the water of city planting ductwork enters pressure tank 14 and steady-flow tank simultaneously.
When municipal ductwork pressure abundance, equipment is directly laminated from city planting ductwork to user's water supply by current stabilization and without negative pressure device；It removes
When timing, fixed point starting water tank self-loopa function, pressure tank 14 is simultaneously not involved in water supply.
Working condition 2: equipment guarantees the pressure of city planting ductwork first in the case where municipal water supply insufficient pressure, passes through stream
Measure pump-out of the reduction of adjuster 2 from city planting ductwork.The difference for the water that user's water consumption and city planting ductwork can supply is by increasing
Here it is the modes of residual quantity compensation to supplement for pressure water tank 14.The pressure and water supply of city planting ductwork can be made full use of in this way, saved
About energy and reduce the volume of water tank.The pressure of Intelligent pipe net laminating water supply equipment Water in Water Tanks with water tank is by pressurized water
The supercharging device 12 being arranged in case 14 is to be pressurized supply, and being pressurized and filling 12 is a pump valve assembly, and the pressure of supercharging device 12 is used
Substitute municipal ductwork pressure, supercharging device 12 uses frequency control, therefore the water tank pressurization that supercharging device 12 is adjusted is for hydraulic pressure
Power can be adjusted according to the pressure of city planting ductwork, guarantee the increased hydraulic pressure in 14 part of pressure tank and municipal water supply at any time
Pressure is consistent.
For the living water equipment of high lift, equipment export pressure is very high, to prevent in municipal ductwork pressure shakiness
In the case of cause pipe network superpressure and increase this function.When equipment is in automatic operating state, ductwork pressure is more than the pressure of setting
When, equipment alarm and adjust automatically working condition, the safety of effective protection pipe network.
Working condition 3: when city planting ductwork is cut off the water, protection negative pressure eliminating device 9 is closed, and water system is right by pressure tank 14
User supplies water, and when water level reaches lower limit alarm water level, equipment alarm notifies control centre and autostop.Municipal administration restores
When water supply, system can resume water supply automatically.The system stainless steel water tank bigger equipped with capacity, when pipe network insufficient water or pipe
System automatically switches to water suction in water tank when net is cut off the water, and realizes continuous water supply.When pipe network restores pressure, system is restored just automatically
Often operation；System cuts off the water supply in water inlet or when water shortage, and when water inlet pressure drops to setting value, system automatically switches to water tank suction
Water.When equipment restores water inlet and reaches setting condition, equipment is restored to operate normally automatically.
System is directly connected with municipal tap water pipe network, though when having a power failure, force (forcing) pump stops working, running water pipe network pressure
Power can still maintain low area user to supply water, even if user can also lean on current stabilization to fill water and maintain short time water supply when cutting off the water.
Working condition 4: it is required in view of most of the time municipal administration pressure can satisfy user, to avoid pressure tank
14 water does not flow for a long time and goes bad, my company especially increases self-loopa function to pressure tank 14, and equipment can be with water height
It automatically switches to water tank when peak to absorb water several hours, to guarantee one day circulation of water of water tank.Further enhance the peace of water supply
Quan Xing guarantees the cleaning supplied water.Even if the water in pressure tank remains to be required according to user in the case where municipal water pressure abundance
In 12 hours or user's sets itself, carrys out timing acording to the requirement of user or fixed point is recycled, recycling replacing finishes, and avoids
A possibility that water of pressure tank becomes stagnant water, smelly water, ensure that the water safety of user.
Embodiment 3
The system start stop operation of the utility model can execute in control system, need only make simple knob-operated；
And pressure of supply water needed for the setting and modification of parameter, the selection of the equipment method of operation, the determination of each pump switching time, user is repaired
Changing etc. need only carry out on frequency-changer operation panel；Can also show on frequency-changer operation panel simultaneously such as motor operating power supply,
Motor operates the line items such as torque and revolution, water pump operation operating condition, water pump accumulated running time, accumulative electricity consumption, so more
Convenient for the observation and management of system.
Remote wireless monitoring measure is taken in the box laminating water supply equipment of pressurization provided by the utility model, works as equipment
Can to recognize in our after-sale service personnel at the first time and rush towards in-situ processing in time when failure.Specifically
May include following function:
1, fault alarm Trigger Function
If there is heat after failure, the anhydrous failure in pond or manual pull station are pressed, the monitoring of monitoring room is called
System, notice maintenance troop carry out maintenance work.
2, start and stop function is forced
Monitoring system by calling monitoring room realizes the control to field control cabinet, completes to force start and stop supply equipment,
Set start-stop time.
3, definition status function of reporting
Field control cabinet state in which, such as manual mode, auto state, operating status or malfunction real-time status
Also monitoring system is notified at once.
4, file administration, report and online enquiries function
In addition, there are also several file administration, report management and function of remote query.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of Intelligent pipe net laminating water supply equipment with water tank, which is characterized in that whole equipment is in closed operation, including stream
Measure adjuster, several water pumps, protection negative pressure eliminating device, control cabinet, supercharging device, pressure tank, automatic open-close type overflow mechanism and
Pressure regulator, the protection negative pressure eliminating device include steady flow compensator and vacuum suppresser, municipal tap water pipe network water inlet point
It is not connected in steady flow compensator with pressure tank directly, what the municipal tap water pipe network water inlet was connected with steady flow compensator
Branch road is equipped with municipal intake pressure sensor, and the side of the flow regulator is equipped with filter device, after the water pump
Side connect electronic components, the thermomechanical components include pipe fitting and gate valve, and the thermomechanical components are also connected with diaphragm air pressure tank, it is described every
Film air pressure tank is located at the side of water pump, and user terminal pressure sensor, the pipeline branch of the thermomechanical components are provided in the thermomechanical components
Road is equipped with pressure regulator, and gate valve, stainless steel soft connector, pressurization dress is bolted in the outlet pipeline of the pressure tank
Set, check-valves and protection negative pressure eliminating device are commonly connected to water pump and form the first pipeline branch, the first pipeline branch road is equipped with
Electric controller and maintenance valve, through flanged joint on the first pipeline branch road, the supercharging device is set the maintenance valve
It sets between electric controller and maintenance valve, the first pipeline branch is equipped with several short tubes, and the short tube passes through butterfly valve, rubber
Glue connecting hose is connected with the water inlet of water pump, and the water outlet of each water pump is to be connected by short tube with total outlet pipe road,
Butterfly valve, rubber soft joint and check-valves are successively arranged between the water pump and total outlet pipe road, the water pump is in connection side by side, institute
State steady flow compensator and total outlet pipe road be connected to by short tube, ball valve is installed in the steady flow compensator, the control cabinet with
Water pump is connected, and the user terminal pressure sensor is connected by pressure short tube with total outlet pipe road, the pressure sensor
It is connected by signal wire with control cabinet, the total outlet pipe road is arranged outside pressure tank, and the total outlet pipe road is reserved
There is flange plate.
2. a kind of Intelligent pipe net laminating water supply equipment with water tank according to claim 1, which is characterized in that the municipal administration
Tap water pipe network water inlet by gate valve and remote control float valve be connected.
3. a kind of Intelligent pipe net laminating water supply equipment with water tank according to claim 1, which is characterized in that the pressurization
Water tank lower part is additionally provided with drain outlet.
4. a kind of Intelligent pipe net laminating water supply equipment with water tank according to claim 1, which is characterized in that the water pump
Select stainless steel centrifugal multistage pump multiple centrifugal pump.
5. a kind of Intelligent pipe net laminating water supply equipment with water tank according to claim 1, which is characterized in that the current stabilization
Compensation device selects vacuum tank.
6. a kind of Intelligent pipe net laminating water supply equipment with water tank according to claim 1, which is characterized in that the control
Cabinet is man-machine dialog mode Intelligent control cabinet.
7. a kind of Intelligent pipe net laminating water supply equipment with water tank according to claim 1, which is characterized in that the pressurization
Water tank is stainless steel pressure tank.
8. a kind of Intelligent pipe net laminating water supply equipment with water tank according to claim 1, which is characterized in that the control
Cabinet is connected by cable with the motor box on water pump.
9. a kind of Intelligent pipe net laminating water supply equipment with water tank according to claim 1, which is characterized in that with water tank
Stainless steel material equipment used in Intelligent pipe net laminating water supply equipment is that 304 material of food-grade stainless steel is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820594789.1U CN208309701U (en) | 2018-04-24 | 2018-04-24 | A kind of Intelligent pipe net laminating water supply equipment with water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820594789.1U CN208309701U (en) | 2018-04-24 | 2018-04-24 | A kind of Intelligent pipe net laminating water supply equipment with water tank |
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| Publication Number | Publication Date |
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| CN208309701U true CN208309701U (en) | 2019-01-01 |
Family
ID=64714358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820594789.1U Active CN208309701U (en) | 2018-04-24 | 2018-04-24 | A kind of Intelligent pipe net laminating water supply equipment with water tank |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286616A (en) * | 2019-06-01 | 2019-09-27 | 来剑锋 | Moisturizing facility and control method for town road cleaning or urban afforestation maintenance |
| CN110886347A (en) * | 2019-11-07 | 2020-03-17 | 杭州沃德水泵制造有限公司 | Pressure-dividing box type water supply equipment |
| CN112942497A (en) * | 2021-02-04 | 2021-06-11 | 崔忠朝 | Intelligent stable water supply equipment |
-
2018
- 2018-04-24 CN CN201820594789.1U patent/CN208309701U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286616A (en) * | 2019-06-01 | 2019-09-27 | 来剑锋 | Moisturizing facility and control method for town road cleaning or urban afforestation maintenance |
| CN110286616B (en) * | 2019-06-01 | 2020-09-18 | 黑龙江省龙建路桥第一工程有限公司 | Water replenishing facility for municipal road cleaning or urban greening maintenance and control method |
| CN110886347A (en) * | 2019-11-07 | 2020-03-17 | 杭州沃德水泵制造有限公司 | Pressure-dividing box type water supply equipment |
| CN112942497A (en) * | 2021-02-04 | 2021-06-11 | 崔忠朝 | Intelligent stable water supply equipment |
| CN112942497B (en) * | 2021-02-04 | 2022-09-30 | 埃梯梯智慧水务科技有限公司 | Intelligent stable water supply equipment |
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