CN110258727A - More compensation are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure - Google Patents
More compensation are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure Download PDFInfo
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- CN110258727A CN110258727A CN201910584843.3A CN201910584843A CN110258727A CN 110258727 A CN110258727 A CN 110258727A CN 201910584843 A CN201910584843 A CN 201910584843A CN 110258727 A CN110258727 A CN 110258727A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 250
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 239000008399 tap water Substances 0.000 claims description 14
- 235000020679 tap water Nutrition 0.000 claims description 14
- 239000012535 impurity Substances 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 9
- 239000008400 supply water Substances 0.000 claims description 8
- 230000006641 stabilisation Effects 0.000 claims description 7
- 238000011105 stabilization Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000011897 real-time detection Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 230000002401 inhibitory effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 241000242583 Scyphozoa Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/072—Arrangement of flowmeters
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/074—Arrangement of water treatment devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
- E03B7/075—Arrangement of devices for control of pressure or flow rate
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses one kind to compensate without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure more, including pedestal, steady flow compensation tank, water inlet main pipe, main water outlet pipe and diaphragm air pressure tank, steady flow compensation pot bottom both ends are mounted on pedestal top side by bracket, steady flow compensation tank top side offers the first water inlet end, first water inlet end is connected with the second gate valve by pipeline, and second gate valve one end is connected with municipal water inlet component by pipeline；The first water outlet is offered at steady flow compensation pot bottom center, first water outlet is connected with by pipe level into water main pipe, and the water inlet main pipe side is connected with first butterfly valve by pipeline；Present device supply in full sets, installation and debugging are convenient, management convenient for safeguarding；Device structure is compact, and occupied area is reduced compared with traditional water supply device；It is controlled using intelligent frequency-conversion, it is more energy-efficient；Equipment automatic running is not necessarily to personal management, stable and reliable in work.
Description
Technical field
The present invention relates to supply equipment fields, and specially more compensation are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure.
Background technique
Secondary water-supply equipment refers to that the operator of water supply industry passes through a kind of solution resident of field exploring, test, research and development
The equipment of problem of water consumption；Secondary water-supply equipment investment is few, occupied area is few, flexible, convenient, is suitable for major high-rise resident and uses
Family, city square, school district villa, hospital, school etc., secondary water-supply equipment using automatic operating, energy conservation with tap water automatically simultaneously
Net can be resumed water supply automatically after service restoration.
Existing secondary water-supply complete set of equipments can not effectively intake to municipal administration carry out water quality monitoring and filtering when in use, make
At the normal use of impurity effect valve and pump in pipeline, the medium in pipeline occurs flowing backwards when equipment stops or siphon is fallen
Stream is caused to flow backwards and be polluted；When manifold pressure is too small, it may appear that pipe network empty pump situation damages water pump and equipment；And
When setting pressure is still not achieved in water pressure, it is unable to complete pressurization only by the operation for improving water pump, and equipment is for a long time
The work that do not rest improves equipment use cost；When water pump breaks down, needs to close whole equipment and repair replacement.
Summary of the invention
The purpose of the present invention is to provide more compensation without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure, above-mentioned in order to overcome
Existing secondary water-supply complete set of equipments can not effectively intake to municipal administration carry out water quality monitoring and filtering when in use, cause in pipeline
Impurity effect valve and pump normal use, the medium in pipeline occurs flowing backwards when equipment stops or siphon is flow backwards, and causes
Flow backwards pollution；When manifold pressure is too small, it may appear that pipe network empty pump situation damages water pump and equipment；And in hydraulic pressure
When setting pressure is still not achieved in power, it is unable to complete pressurization only by the operation for improving water pump, and equipment is not rested for a long time
Work improves equipment use cost；When water pump breaks down, needs to close whole equipment and repair the technology of replacement and ask
Topic.
The purpose of the present invention can be achieved through the following technical solutions:
More compensation are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure, including pedestal, steady flow compensation tank, water inlet main pipe, go out
Jellyfish pipe and diaphragm air pressure tank, steady flow compensation pot bottom both ends are mounted on pedestal top side, the steady flow compensation by bracket
Tank top side offers the first water inlet end, and first water inlet end is connected with the second gate valve, second gate valve by pipeline
One end is connected with municipal water inlet component by pipeline；
The first water outlet is offered at steady flow compensation pot bottom center, first water outlet is connected by pipe level
It is connected into water main pipe, the water inlet main pipe side is connected with first butterfly valve by pipeline, and described first butterfly valve one end passes through first
It is flexible coupling and is connect with the second water inlet end of water pump, water pump bottom side both ends is fixed on pedestal top side, the water by support frame
Second water outlet of pump is connected with check-valves by pipeline, and described check-valves one end is flexible coupling by second to be connected with second butterfly valve
It connects, the second butterfly valve top is connect with main water outlet pipe；
Described main water outlet pipe one end is connected with the 4th gate valve by pipeline, and described 4th gate valve one end is connected with flowmeter,
The main water outlet pipe other end is connected with third gate valve by pipeline, and the third gate valve is connected by pipeline and diaphragm air pressure tank
It connects.
As a further solution of the present invention: the municipal administration water inlet component includes the first gate valve, y-type filter, flows backwards and prevent
Only device and water quality monitor, second gate valve one end are connected with water quality monitor, backflow preventer, Y type in turn by pipeline
Filter and the first gate valve, the second gate valve other end connect the water inlet end of steady flow compensation tank, first lock by pipeline
Valve one end connects y-type filter, and the other end is connect with municipal water inlet line.
As a further solution of the present invention: blowdown valve, pressure gauge and true are sequentially installed on the outside of the steady flow compensation tank
Empty suppressor, the blowdown valve are located at the bottom of steady flow compensation tank, and the pressure gauge is located at the top of steady flow compensation tank, described true
Empty suppressor is located at pressure gauge side.
As a further solution of the present invention: the water inlet main pipe top side is equipped with first pressure transmitter, the water inlet
Main pipe side is opened up there are three the first shunt conduit, and three the first shunt conduits are sequentially installed with first butterfly valve, first soft
Connection, water pump, check-valves, second are flexible coupling and second butterfly valve, and water pump installation bottom is provided with rubber vibration isolation cushion.
As a further solution of the present invention: main water outlet pipe top side both ends be separately installed with second pressure transmitter and
Electro connecting pressure gauge, the main water outlet pipe side are opened up there are three the second shunt conduit, and three the second shunt conduits respectively with
Three the first shunt conduits are corresponding, and three the second shunt conduits are connect with second butterfly valve respectively.
As a further solution of the present invention: a size being installed inside the diaphragm air pressure tank and is held than diaphragm air pressure tank
The small rubber pneumatic bag of product, and rubber pneumatic bag is connect with third gate valve by pipeline.
As a further solution of the present invention: connection is connected with extraneous pressor areas by pipeline in the flowmeter.
As a further solution of the present invention: control cabinet being installed on the outside of the equipment, and PLC control is installed inside control cabinet
Device processed, water quality monitor, first pressure transmitter, second pressure transmitter and electro connecting pressure gauge are electric with PLC controller respectively
Property connection.
As a further solution of the present invention: the use operating procedure of the equipment are as follows:
Step 1: municipal water inlet component is connect with municipal water inlet line, and flowmeter is connected by pipeline with extraneous pressor areas
Connection, opens the first gate valve, tap water after the impurity in y-type filter filtering pipe network by backflow preventer, then into
Enter water quality monitor and carry out preliminary water quality monitoring, then opens the second gate valve and enter steady flow compensation tank；
Step 2: inhibiting the negative pressure that tap water generates in steady flow compensation tank by vacuum suppresser, after, into steady flow compensation
The water inlet main pipe of pot bottom connection, after being shunted by three the first shunt conduits of main pipe of intaking, by first butterfly valve and
First is flexible coupling into water pump, and check-valves is passed sequentially through after water pump pressurizes, second is flexible coupling with second butterfly valve from three
Two shunt conduits enter main water outlet pipe, after the 4th gate valve of one end pipeline connection for opening main water outlet pipe, the tap water after pressurization
Into pressor areas, pass through flowmeter detection flows；
Step 3: water inlet main pipe on first pressure transmitter real-time detection municipal administration intake pressure and transmit a signal to
PLC controller, when real-time municipal water supply pressure is lower than the minimum pressure set in PLC controller, PLC controller controller meeting
It is automatically stopped the equipment and runs and issue alarm signal, PLC controller is by reading out the second pressure pick-up in main water outlet pipe
After the real-time pressure data of device is compared with its setting value, water pump operation state is adjusted, when insufficient pressure, is improved
Pump working frequency is gradually increased in the running frequency of water pump, and at the appointed time, setting pressure is still not achieved in pressure of supply water,
PLC controller starts to increase pump at this time, and the quantity for increasing operation water pump completes pressurization, wherein the electro connecting pressure gauge in main water outlet pipe
The pressure for showing test point passes through PLC controller when pressure of supply water is beyond electro connecting pressure gauge triggering setting maximum pressure value
Starting shutdown operation is simultaneously alarmed；
Step 4: equipped with a size ratio inside the diaphragm air pressure tank being connect with the main water outlet pipe other end by third gate valve
The small rubber pneumatic bag of diaphragm air pressure tank volume is full of high pressure water in air bag when pump working as blowing up a balloon, with water
Low peak period or reach water supply setting pressure after suspend mode shut down when, user's pipeline can be punctured into automatically by air bag in diaphragm air pressure tank
Compensation pressure and flow avoid water pump from being frequent start and stop because of small pressure oscillation.
Compared with original technology, beneficial effects of the present invention:
1, municipal water inlet component can be segmented shutdown municipal administration water inlet by the first gate valve, provide just for equipment detachable maintaining of cutting off the water
Benefit, by backflow preventer after filtering the impurity in pipe network into y-type filter, then tap water is carried out by water quality monitor
Preliminary water quality monitoring carries out real-time monitoring to water quality, then opens the second gate valve and enter steady flow compensation tank, effectively filter pipe network
In impurity, protect the normal use of valve and pump, backflow preventer can absolutely prevent the medium in pipeline under any operating condition
It flows backwards or siphon is flow backwards, polluted with achieving the purpose that avoid to flow backwards；
2, the moisture of steady flow compensation tank is fitted on each branch water pump assembly by water inlet main pipe, and the first pressure in main pipe of intaking becomes
It send device real-time detection municipal administration intake pressure and transmits a signal to PLC controller, when real-time municipal water supply pressure is controlled lower than PLC
When the minimum pressure set in device, alarm is run and issued by PLC controller arrestment, plays protection water pump and equipment peace
Entirely, the empty pump to pipe network is avoided；
3, the high pressure water that each branch pressurizes is collected supply diaphragm air pressure tank and user and is responsible for water by main water outlet pipe, PLC control
It is right after device processed is compared by the real-time pressure data of second pressure transmitter read out in main water outlet pipe with its setting value
Water pump operation state is adjusted, and when insufficient pressure, improves the running frequency of water pump, pump working frequency is gradually increased,
In stipulated time, setting pressure is still not achieved in pressure of supply water, and PLC controller starts to increase pump at this time, increases the number of operation water pump
Amount completes pressurization, guarantees that inside water pressure is stablized, and wherein diaphragm air pressure tank is by internal rubber pneumatic bag, when pump working as
It blowing up a balloon the same, high pressure water is full of in air bag, when with water low peak period, PLC controller, which controls water pump and shuts down, enters suspend mode,
To guarantee equipment high efficiency energy conservation and economy, pipeline pressure and stream can be punctured into automatically by air bag in diaphragm air pressure tank at this time
Amount compensation, avoids the flow pressure Dissipation change due to caused by small flow water, and causes the frequent start-stop of water pump, guarantees pipeline
The stabilization of pressure；
4, when any water pump in three branch water pump assemblies breaks down, in order to not influence normally making for equipment
With first butterfly valve and second butterfly valve control to the setting of water pump Inlet and outlet water two sides individually close and faulty branched pipe are isolated
Road avoids the case where causing complete equipment to shut down because of some individual fault of water pump, while also mentioning to equipment maintenance
For convenient convenience.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is top view of the present invention；
Fig. 2 is side view of the present invention.
In figure: 1, pedestal；2, the first gate valve；3, y-type filter；4, backflow preventer；5, the second gate valve；6, steady flow compensation
Tank；7, blowdown valve；8, pressure gauge；9, water quality monitor；10, vacuum suppresser；11, water inlet main pipe；12, first pressure pick-up
Device；13, first butterfly valve；14, first is flexible coupling；15, water pump；16, main water outlet pipe；17, second pressure transmitter；18, electric contact
Pressure gauge；19, third gate valve；20, diaphragm air pressure tank；21, the 4th gate valve；22, flowmeter；23, check-valves；24, the second soft company
It connects；25, second butterfly valve.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
It please refers to shown in Fig. 1-2, more compensation are mended without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure, including pedestal 1, current stabilization
It repays tank 6, water inlet main pipe 11, main water outlet pipe 16 and diaphragm air pressure tank 20,6 bottom both ends of steady flow compensation tank and bottom is mounted on by bracket
1 top side of seat, 6 top side of steady flow compensation tank offer the first water inlet end, and the first water inlet end is connected with the second gate valve by pipeline
5,5 one end of the second gate valve is connected with municipal water inlet component by pipeline；
6 bottom center of steady flow compensation tank offers the first water outlet, the first water outlet by pipe level be connected with into
Jellyfish pipe 11, water inlet 11 side of main pipe are connected with first butterfly valve 13 by pipeline, and 13 one end of first butterfly valve is flexible coupling by first
14 connect with the second water inlet end of water pump 15, and 15 bottom side both ends of water pump are fixed on 1 top side of pedestal by support frame, and the of water pump 15
Two water outlets are connected with check-valves 23 by pipeline, 23 one end of check-valves by second be flexible coupling 24 and second butterfly valve 25 connect,
25 top of second butterfly valve is connect with main water outlet pipe 16；
16 one end of main water outlet pipe is connected with the 4th gate valve 21 by pipeline, and 21 one end of the 4th gate valve is connected with flowmeter 22,
16 other end of main water outlet pipe is connected with third gate valve 19 by pipeline, and third gate valve 19 is connected by pipeline and diaphragm air pressure tank 20
It connects.
Municipal water inlet component includes the first gate valve 2, y-type filter 3, backflow preventer 4 and water quality monitor 9, the second lock
5 one end of valve is connected with water quality monitor 9, backflow preventer 4, y-type filter 3 and the first gate valve 2, the second lock in turn by pipeline
5 other end of valve by pipeline connect steady flow compensation tank 6 water inlet end, 2 one end of the first gate valve connect y-type filter 3, the other end with
Municipal water inlet line connection, 9 pairs of municipal administration water inlets of water quality monitor detect, while dismantling to 9 installation and maintenance of water quality monitor
Shi Wuxu municipal administration is cut off the water, and convenient for operation, is purged by the y-type filter 3 for installing first to the impurity in water pipe, is guaranteed water
The positive production of matter monitor 9 uses operation.
Blowdown valve 7, pressure gauge 8 and vacuum suppresser 10 are sequentially installed on the outside of steady flow compensation tank 6, blowdown valve 7 is located at steady
The bottom of compensating tank 6 is flowed, pressure gauge 8 is located at the top of steady flow compensation tank 6, and vacuum suppresser 10 is located at 8 side of pressure gauge, current stabilization
Compensating tank 6 is the important component of pot type pressure-superposed variable frequency supply equipment, and enclosed construction is realized straight with municipal tap water pipe network
Series connection is connect, piping flow is stablized, the vacuum suppresser 10 for being mounted on 6 top of steady flow compensation tank is then used to inhibit to produce in water system
Raw negative pressure guarantees the pressure balance of city planting ductwork.
Water inlet 11 top side of main pipe is equipped with first pressure transmitter 12, and water inlet 11 side of main pipe opens up that there are three first to shunt
Pipeline, and three the first shunt conduits are sequentially installed with first butterfly valve 13, first are flexible coupling 14, water pump 15, check-valves 23,
Two are flexible coupling 24 and second butterfly valve 25, and water pump 15 installs bottom and is provided with rubber vibration isolation cushion, on the one hand can effectively reduce equipment fortune
On the other hand vibration when row also can absorb piping flow and pressure oscillation and alleviates water hammer effect to the impact of pipeline.
16 top side both ends of main water outlet pipe are separately installed with second pressure transmitter 17 and electro connecting pressure gauge 18, second pressure
Transmitter 17 perceives inner pipe water pressure, and electro connecting pressure gauge 18 also can provide pressure guarantor in addition to that can show detection point pressure
Trigger signal is protected, when the maximum pressure trigger value that pressure of supply water is arranged beyond electro connecting pressure gauge 18, trigger signal can be activated
PLC controller overpressure protection function, equipment can start automatically shutdown procedure and issue alarm signal, to guarantee that water supply line is pacified
Complete and equipment safety, 16 side of main water outlet pipe are opened up there are three the second shunt conduit, and three the second shunt conduits are respectively with three
A first shunt conduit is corresponding, and three the second shunt conduits are connect with second butterfly valve 25 respectively.
One size rubber pneumatic bag smaller than 20 volume of diaphragm air pressure tank, and rubber gas are installed inside diaphragm air pressure tank 20
Capsule is connect with third gate valve 19 by pipeline, is punctured into pipeline pressure automatically by air bag in diaphragm air pressure tank 20 and flow is mended
It repays, avoids the flow pressure Dissipation change due to caused by small flow water, and cause the frequent start-stop of water pump 15, guarantee pipeline pressure
The stabilization of power.
Connection is connected with extraneous pressor areas by pipeline for flowmeter 22, the tap water after conveying pressurization.
Control cabinet is installed on the outside of the equipment, and PLC controller is installed inside control cabinet, model CP1H-X40DT-
D, water quality monitor 9, first pressure transmitter 12, second pressure transmitter 17 and electro connecting pressure gauge 18 are controlled with PLC respectively
Device is electrically connected, ABB frequency converter and water pump 15, realizes intelligent frequency-conversion control, more energy-efficient, equipment automatic running is not necessarily to
Personal management, it is stable and reliable in work.
The use operating procedure of the equipment are as follows:
Step 1: municipal water inlet component is connect with municipal water inlet line, and flowmeter 22 is led by pipeline and extraneous pressor areas
Lead to and connect, open the first gate valve 2, tap water passes through backflow preventer 4 after the impurity that y-type filter 3 filters in pipe network, so
Enter water quality monitor 9 afterwards and carry out preliminary water quality monitoring, then opens the second gate valve 5 and enter steady flow compensation tank 6；
Step 2: inhibiting the negative pressure that tap water generates in steady flow compensation tank 6 by vacuum suppresser 10, after, into current stabilization
The water inlet main pipe 11 of 6 bottom of compensating tank connection, after being shunted by three the first shunt conduits of main pipe 11 of intaking, by the
One butterfly valve 13 and first is flexible coupling and 14 enters water pumps 15, passes sequentially through check-valves 23 after the pressurization of water pump 15, second is flexible coupling
24 and second butterfly valve 25 from three the second shunt conduits enter main water outlet pipe 16, open one end pipeline connection of main water outlet pipe 16
After 4th gate valve 21, the tap water after pressurization enters pressor areas, passes through 22 detection flows of flowmeter；
Step 3: water inlet main pipe 11 on 12 real-time detection municipal administration intake pressure of first pressure transmitter and signal is transmitted
To PLC controller, when real-time municipal water supply pressure is lower than the minimum pressure set in PLC controller, PLC controller controller
The equipment can be automatically stopped and run and issue alarm signal, PLC controller is by reading out the second pressure in main water outlet pipe 16
After the real-time pressure data of transmitter 17 is compared with its setting value, 15 operating status of water pump is adjusted, when pressure not
When sufficient, the running frequency of water pump 15 is improved, 15 working frequency of water pump is gradually increased, at the appointed time, pressure of supply water still reaches
Less than setting pressure, PLC controller starts to increase pump at this time, and the quantity for increasing operation water pump 15 completes pressurization, wherein main water outlet pipe
Electro connecting pressure gauge 18 on 16 shows the pressure of test point, when pressure of supply water is maximum beyond the triggering setting of electro connecting pressure gauge 18
When pressure value, shutdown operation is started by PLC controller and is alarmed；
Step 4: equipped with one inside the diaphragm air pressure tank 20 being connect with 16 other end of main water outlet pipe by third gate valve 19
The size rubber pneumatic bag smaller than 20 volume of diaphragm air pressure tank, when water pump 15 works as blowing up a balloon, full of height in air bag
Press water, with water low peak period or reach water supply setting pressure after suspend mode shut down when, can be automatic by air bag in diaphragm air pressure tank 20
It is punctured into user's compensation of pipeline pressure and flow, water pump 15 is avoided to be frequent start and stop because of small pressure oscillation.
The present invention is designed by reasonable structure, and municipal water inlet component can be segmented shutdown municipal administration water inlet by the first gate valve 2,
Convenience is provided for equipment detachable maintaining of cutting off the water, passes through backflow preventer after filtering the impurity in pipe network subsequently into y-type filter 3
4, tap water carries out preliminary water quality monitoring by water quality monitor 9, carries out real-time monitoring to water quality, then opens the second gate valve 5
Into steady flow compensation tank 6, the effective impurity filtered in pipe network is protected the normal use of valve and pump, is fallen under any operating condition
Stream preventer 4 can absolutely prevent the refluence of the medium in pipeline or siphon from flowing backwards, and be polluted with achieving the purpose that avoid to flow backwards；Water inlet is female
The moisture of steady flow compensation tank 6 is fitted on each 15 unit of branch water pump by pipe 11, and the first pressure transmitter 12 in main pipe 11 of intaking is real
When detect municipal intake pressure and transmit a signal to PLC controller, when real-time municipal water supply pressure in PLC controller lower than setting
When fixed minimum pressure, alarm is run and issued by PLC controller arrestment, plays protection water pump 15 and equipment safety,
Avoid the empty pump to pipe network；The high pressure water that each branch pressurizes is collected supply diaphragm air pressure tank 20 and user's water by main water outlet pipe 16
Supervisor, PLC controller are set by the real-time pressure data of second pressure transmitter 17 read out in main water outlet pipe 16 with it
After value is compared, 15 operating status of water pump is adjusted, when insufficient pressure, improves the running frequency of water pump 15, gradually
15 working frequency of water pump is improved, at the appointed time, setting pressure is still not achieved in pressure of supply water, and PLC controller starts at this time
Increase pump, increases the quantity completion pressurization of operation water pump 15, guarantee that inside water pressure is stablized, wherein diaphragm air pressure tank 20 passes through inside
Rubber pneumatic bag is full of high pressure water when water pump 15 works as blowing up a balloon in air bag, when with water low peak period, PLC control
Device controls water pump 15 and shuts down, and guarantees equipment high efficiency energy conservation and economy, is punctured into pipe automatically by air bag in diaphragm air pressure tank 20
Road pressure and flow-compensated, avoids the flow pressure Dissipation change due to caused by small flow water, and causes the frequent of water pump 15
Start and stop guarantee the stabilization of pipeline pressure；When any water pump 15 in three 15 units of branch water pump breaks down, in order to
The normal use for not influencing equipment controls the first butterfly valve 13 and second butterfly valve 25 of the setting of 15 Inlet and outlet water two sides of water pump, individually
Faulty branch line is closed and be isolated, is avoided because of the feelings that some independent 15 failure of water pump causes complete equipment to shut down
Condition, while also convenient convenience is provided to equipment maintenance.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (9)
1. compensation is without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure more than, which is characterized in that including pedestal (1), steady flow compensation tank
(6), it intakes main pipe (11), main water outlet pipe (16) and diaphragm air pressure tank (20), steady flow compensation tank (6) the bottom both ends pass through branch
Frame is mounted on pedestal (1) top side, and steady flow compensation tank (6) top side offers the first water inlet end, first water inlet end
It is connected with the second gate valve (5) by pipeline, described second gate valve (5) one end is connected with municipal water inlet component by pipeline；
Steady flow compensation tank (6) bottom center offers the first water outlet, and first water outlet is connected by pipe level
It is connected into water main pipe (11), the water inlet main pipe (11) side is connected with first butterfly valve (13), the first butterfly valve by pipeline
(13) one end by first be flexible coupling (14) connect with the second water inlet end of water pump (15), water pump (15) the bottom side both ends pass through
Support frame is fixed on pedestal (1) top side, and the second water outlet of the water pump (15) is connected with check-valves (23) by pipeline, described
Check-valves (23) one end is flexible coupling (24) by second and second butterfly valve (25) connects, second butterfly valve (25) top and water outlet
Main pipe (16) connection；
Described main water outlet pipe (16) one end is connected with the 4th gate valve (21) by pipeline, and described 4th gate valve (21) one end is connected with
Flowmeter (22), main water outlet pipe (16) other end are connected with third gate valve (19) by pipeline, the third gate valve (19)
It is connect by pipeline with diaphragm air pressure tank (20).
2. more compensation according to claim 1 are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure, which is characterized in that described
Municipal water inlet component includes the first gate valve (2), y-type filter (3), backflow preventer (4) and water quality monitor (9), and described the
Two gate valves (5) one end is connected with water quality monitor (9), backflow preventer (4), y-type filter (3) and first in turn by pipeline
Gate valve (2), water inlet end of the second gate valve (5) other end by pipeline connection steady flow compensation tank (6), first gate valve
(2) one end connection y-type filter (3), the other end are connect with municipal water inlet line.
3. more compensation according to claim 1 are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure, which is characterized in that described
Blowdown valve (7), pressure gauge (8) and vacuum suppresser (10), the blowdown valve (7) are sequentially installed on the outside of steady flow compensation tank (6)
Positioned at the bottom of steady flow compensation tank (6), the pressure gauge (8) is located at the top of steady flow compensation tank (6), the vacuum suppresser
(10) it is located at pressure gauge (8) side.
4. more compensation according to claim 1 are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure, which is characterized in that described
Water inlet main pipe (11) top side be equipped with first pressure transmitter (12), water inlet main pipe (11) side open up there are three first point
Flow tube road, and three the first shunt conduits are sequentially installed with first butterfly valve (13), first are flexible coupling (14), water pump (15), only
It goes back to valve (23), second be flexible coupling (24) and second butterfly valve (25), water pump (15) bottom are provided with rubber vibration isolation cushion.
5. more compensation according to claim 1 are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure, which is characterized in that described
Main water outlet pipe (16) top side both ends are separately installed with second pressure transmitter (17) and electro connecting pressure gauge (18), the main water outlet
Pipe (16) side is opened up there are three the second shunt conduit, and three the second shunt conduits respectively with three the first shunt conduits pair
It answers, and three the second shunt conduits are connect with second butterfly valve (25) respectively.
6. more compensation according to claim 1 are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure, which is characterized in that described
One size rubber pneumatic bag smaller than diaphragm air pressure tank (20) volume be installed inside diaphragm air pressure tank (20), and rubber pneumatic bag with
Third gate valve (19) is connected by pipeline.
7. more compensation according to claim 1 are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure, which is characterized in that described
Connection is connected with extraneous pressor areas by pipeline in flowmeter (22).
8. more compensation according to claim 1 are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure, which is characterized in that this sets
Standby outside is equipped with control cabinet, and PLC controller is equipped with inside control cabinet, water quality monitor (9), first pressure transmitter
(12), second pressure transmitter (17) and electro connecting pressure gauge (18) are electrically connected with PLC controller respectively.
9. more compensation according to claim 1 are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure, which is characterized in that this sets
Standby use operating procedure are as follows:
Step 1: municipal water inlet component is connect with municipal water inlet line, and flowmeter (22) is connected by pipeline with extraneous pressor areas
Connection, tap water, by backflow preventer (4), are supervised after the impurity in y-type filter (3) filtering pipe network subsequently into water quality
It surveys instrument (9) and carries out preliminary water quality monitoring, then open the second gate valve (5) into steady flow compensation tank (6)；
Step 2: the negative pressure for inhibiting steady flow compensation tank (6) interior tap water to generate by vacuum suppresser (10), after, into current stabilization
The water inlet main pipe (11) of compensating tank (6) bottom connection, after being shunted by three the first shunt conduits of water inlet main pipe (11),
It is flexible coupling (14) into water pump (15) by first butterfly valve (13) and first, passes sequentially through check-valves after water pump (15) pressurization
(23), second is flexible coupling (24) and second butterfly valve (25) enters main water outlet pipe (16) from three the second shunt conduits, opens water outlet
After 4th gate valve (21) of one end pipeline connection of main pipe (16), the tap water after pressurization enters pressor areas, passes through flowmeter
(22) detection flows；
Step 3: water inlet main pipe (11) on first pressure transmitter (12) real-time detection municipal administration intake pressure and signal is transmitted
To PLC controller, when real-time municipal water supply pressure is lower than the minimum pressure set in PLC controller, PLC controller controller
The equipment can be automatically stopped and run and issue alarm signal, PLC controller is by reading out the second pressure on main water outlet pipe (16)
After the real-time pressure data of power transmitter (17) is compared with its setting value, water pump (15) operating status is adjusted, when
When insufficient pressure, the running frequency of water pump (15) is improved, water pump (15) working frequency is gradually increased, at the appointed time, supplied water
Setting pressure is still not achieved in pressure, and PLC controller starts to increase pump at this time, and the quantity for increasing operation water pump (15) completes pressurization,
Wherein the electro connecting pressure gauge (18) in main water outlet pipe (16) shows the pressure of test point, when pressure of supply water exceeds electric contact pressure
When table (18) triggering setting maximum pressure value, shutdown operation is started by PLC controller and is alarmed；
Step 4: equipped with one inside the diaphragm air pressure tank (20) being connect with main water outlet pipe (16) other end by third gate valve (19)
A size rubber pneumatic bag smaller than diaphragm air pressure tank (20) volume is full of high pressure water in air bag when water pump (15) work, with
Water low peak period reaches suspend mode shutdown after water supply setting pressure, can be punctured into automatically user by diaphragm air pressure tank (20) interior air bag
Compensation of pipeline pressure and flow avoid water pump (15) pressure oscillation frequent start-stop.
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| CN201910584843.3A CN110258727A (en) | 2019-07-01 | 2019-07-01 | More compensation are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure |
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| CN201910584843.3A CN110258727A (en) | 2019-07-01 | 2019-07-01 | More compensation are without the pipe network pressure-superposed secondary water-supply complete set of equipments of negative pressure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111677045A (en) * | 2020-05-28 | 2020-09-18 | 杨仁虎 | Self-controlled running water supply device |
| CN111797525A (en) * | 2020-06-03 | 2020-10-20 | 中国南方电网有限责任公司超高压输电公司广州局 | Pipeline pressure control method and system |
| CN112982554A (en) * | 2021-03-15 | 2021-06-18 | 安徽海沃特水务股份有限公司 | Intelligent platform system with non-negative pressure water supply pipe |
| CN114541522A (en) * | 2022-02-26 | 2022-05-27 | 王坤 | Non-negative pressure water supply device capable of intelligently adjusting high, medium and low peak water supply flow |
| CN115434391A (en) * | 2022-09-14 | 2022-12-06 | 安徽海沃特水务股份有限公司 | A fully automatic constant pressure and steady flow water supply control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111677045A (en) * | 2020-05-28 | 2020-09-18 | 杨仁虎 | Self-controlled running water supply device |
| CN111797525A (en) * | 2020-06-03 | 2020-10-20 | 中国南方电网有限责任公司超高压输电公司广州局 | Pipeline pressure control method and system |
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| CN112982554A (en) * | 2021-03-15 | 2021-06-18 | 安徽海沃特水务股份有限公司 | Intelligent platform system with non-negative pressure water supply pipe |
| CN114541522A (en) * | 2022-02-26 | 2022-05-27 | 王坤 | Non-negative pressure water supply device capable of intelligently adjusting high, medium and low peak water supply flow |
| CN115434391A (en) * | 2022-09-14 | 2022-12-06 | 安徽海沃特水务股份有限公司 | A fully automatic constant pressure and steady flow water supply control system |
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