CN106400891B - A kind of III type multistage tank body supply equipment of NFWG - Google Patents
A kind of III type multistage tank body supply equipment of NFWG Download PDFInfo
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- CN106400891B CN106400891B CN201610571973.XA CN201610571973A CN106400891B CN 106400891 B CN106400891 B CN 106400891B CN 201610571973 A CN201610571973 A CN 201610571973A CN 106400891 B CN106400891 B CN 106400891B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 179
- 230000006641 stabilisation Effects 0.000 claims abstract description 59
- 238000011105 stabilization Methods 0.000 claims abstract description 59
- 239000002775 capsule Substances 0.000 claims abstract description 52
- 230000001629 suppression Effects 0.000 claims abstract description 52
- 230000009977 dual effect Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 230000033228 biological regulation Effects 0.000 claims description 9
- 239000008398 formation water Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 12
- 238000013461 design Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000008400 supply water Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 241001347978 Major minor Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
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- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/02—Methods or layout of installations for water supply for public or like main supply for industrial use
-
- 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
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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 a kind of III type multistage tank body supply equipments of NFWG, including control system, current stabilization tank arrangement between water main and outfall sewer is set, the current stabilization tank arrangement is multistage tank structure, including current stabilization tank body and ftercompction tank body, the ftercompction tank interior is provided with ftercompction capsule body, the water inlet pipe of connection ftercompction tank body is provided on the water main, the open communication of the water inlet pipe water outlet and ftercompction capsule body, the current stabilization tank body is connect by a negative pressure suppression device with ftercompction tank body, the negative pressure suppression device is connect with control system, the negative pressure suppression device is connected to by pipeline with the cavity of the ftercompction tank body outside ftercompction capsule body.The supply equipment passes through the cooperating of multistage tank structure, carries out dual ftercompction guarantee by ftercompction capsule and gas, enhances the negative pressure suppression effect of municipal administration water inlet, ensured the safe operation of city planting ductwork.
Description
Technical field
The present invention relates to supply equipment technical fields, more particularly, to a kind of III type multistage tank body supply equipment of NFWG.
Background technique
Traditional primary supply water has not been well positioned to meet the water demand of modern city.With economic continuous development
And the continuous renewal of various technologies, it is secondary that pipe network pressure-superposed non-negative pressure water-supply device progress is added on the basis of original water supply
It supplies water.Due to non-negative pressure water-supply device water supply and energy saving, space, pollution-free good characteristic are saved, is able to by modern secondary water-supply
Industry is widely applied.
With the continuous expansion of urbanization process, skyscraper is growing day by day, supplies water into a townie large focal spot.
Original municipal network pipeline once supply water may have the effect of for multi-storey building it is relatively good, but in high-rise and small sized multiple story building face
It is preceding but to seem unable to do what one wishes.Early stage carries out second pressure water supply to skyscraper to change city by the methods of air pressure, frequency conversion
Water supply tension, this traditional secondary water-supply method are unfavorable for energy saving and right due to pond, the formation of many intermediate members of water tank
Water resource be easy to cause secondary pollution.Technology is maked rapid progress, and non-negative pressure water-supply device is born therewith.It is developed so far ten
Time many years, this novel secondary water-supply mode of non-negative pressure method of water supply because its it is good save land, energy conservation, nonstaining property energy, quilt
Modern high-rise building water supplying system is widely applied.
The traditional of early stage use substantially has following two mode to water-pressurization system: one, being using " pond+water pump+height
The method of position water tank ", the water for needing to be pressurized in municipal water first fully enter tank, sent after then being pressurizeed by constant speed pump to
Family, adjustment effect when high water tank plays high ebb water.Two, it is the method for using " pond+frequency conversion speed adjusting pump ", sets
After the pressure of supply water of water pump, under the control of frequency converter, the revolving speed of water pump changes with the variation of water supply, subtracts after reducing revolving speed
Small power, saves power consumption to a certain extent.
There is following common fault in both way of supplying water, first is that there is open water storage facility, water quality is easy by dirt
Dye, this secondary pollution directly affect water supply quality safety, even generate serious water pollution accident sometimes;Second is that generally up to
Municipal water supply pressure to more than 20 meters of heads fails to be fully utilized, and causes biggish energy waste.
No-negative-pressure water supply equipment does not set tank, directly absorbs water from city planting ductwork, when equipment works, passes through the control of equipment
The synergy of mode, steady flow compensator, vacuum suppresser, the suction generated when eliminating pump working, to tap water pipe network
Dynamic pressure does not influence.The structure of totally-enclosed completely cuts off the contact with air, thoroughly avoids the secondary pollution of water quality, municipal water supply overbottom pressure
Stackable to utilize for lift, water pump only supplements setting water supply pressure and overbottom pressure insufficient section, and energy-saving effect is obvious.
As pipe network pressure-superposed (no negative pressure) supply equipment of the development of industry improves the safety and stability requirement of system,
The technology of common building secondary pressurized equipment can no longer meet its demand, in Isobarically Control, valve control, monitoring device control
Etc. need to be substantially improved in intelligence degrees.Lack at work for pipe network pressure-superposed (no negative pressure) supply equipment at present and strives to property
Explosion stack guard technology, cause to impact pipe network service life, and be easy booster cause bigger accident, and
It is easy to cause pump group damage, valve damage, user's property loss etc. unsafe for water environment.
Existing general anti-negative pressure technique use traditional vacuum suppresser, mechanical structure control, in system failure without
Method is found in time, causes pipe network negative pressure to generate risk larger.Due to system delay, instantaneous flow, which increases or reduces, will appear water outlet
Ductwork pressure moment increases, and can not restore normal pressure in time, cause to cause to damage to city planting ductwork, influence the pipe network service life, increases
Big resistance of pipe system causes energy consumption to waste.The pressure compensation of water inlet does not have motive power, generally relies on compressed air and carries out ftercompction, effect
Fruit is poor, and negative pressure protective capability is limited, and in intake pressure fluctuation, is easy to impact outlet pressure.
Existing general pipe network pressure-superposed (no negative pressure) supply equipment is all all-sealed structure, damages or loses in pump group operating system
When control, because the supplement of air pressure is not easy to cause pipe network the negative pressure of subatmospheric power dangerous, cause to entire phase
The water supply for closing pipe network impacts.
Chinese patent literature (day for announcing: on August 19th, 2015, notification number: CN 104846942A) discloses setting gas
Pressure tank energy conservation pipe network Pressure-superposed water supply equipment is mainly made of steady-flow tank, negative pressure canceller, water pump, control cabinet, air pressure tank, the gas
Pressure tank is mainly made of tank body and air bag, and sparge pipe is equipped in air pressure tank and protrudes into air bag water-filling to increase flowing and avoid dead
Water, air bag water outlet separately set out the mouth of a river, make to form interior circulation between the water inlet and water outlet in air bag, to ensure that the water in air bag
It is of fine quality good and a possibility that eliminate ponding in normal system, stagnant water.The control cabinet be used for detect steady-flow tank intake pressure,
The discharge pressure of outfall sewer, control negative pressure canceller act in due course and eliminate negative pressure, and automatic start-stop, the change of control water pump
Frequently, switching, working barrel increase and decrease and the switching of small flow energy-saving mode.
Chinese patent literature (day for announcing: on May 28th, 2008, notification number: CN101187215) discloses one kind entirely certainly
Dynamic current limiting type negative pressure-free pipe network Pressure-superposed water supply equipment directly concatenates water pump pressurization on pipe network and supplies water, to cancel pond, water tank
Equal water bodys exposure such as stores at the pilot process for generating secondary pollution；Under totally-enclosed environment, eliminating negative pressure formation condition makes to set
Standby to run under constraint condition, when operating, does not generate negative pressure, avoids the bad impact to pipe network；Even if will generate negative
Pressure can also eliminate it in the critical state that negative pressure generates, and prevent, the dual function that disappears guarantees the smooth change of the stabilization of water flow state in pipe network
Change, make pipe network stable operation, by qualified tap water direct be supplied to user each with water spot, have high energy conservation, high reliability,
Strong applicability, Automatic Control, environmentally protective outstanding feature.
Although above-mentioned technical proposal discloses several supply equipments, but not can solve existing in the prior art above-mentioned
Technical problem.
Summary of the invention
The purpose of the present invention is to solve relying on compressed air to carry out ftercompction in the prior art, effect is poor, and negative pressure is protected
Shield ability is limited, and in intake pressure fluctuation, is easy the problems such as impacting to outlet pressure, and provide it is a kind of can be effective
A kind of prevent that negative relative from generating, III type multistage tank body supply equipment of NFWG with dual pressure supplementing function.
The present invention realizes that technical solution used by its technical purpose is: a kind of III type multistage tank body supply equipment of NFWG,
Including control system, the current stabilization tank arrangement being arranged between water main and outfall sewer, the current stabilization tank arrangement is multistage
Tank structure, including current stabilization tank body and ftercompction tank body, the ftercompction tank interior are provided with ftercompction capsule body, the water supply
The water inlet pipe of connection ftercompction tank body, the opening company of the water inlet pipe water outlet and ftercompction capsule body are provided on general pipeline
Logical, the current stabilization tank body is connect by a negative pressure suppression device with ftercompction tank body, and the negative pressure suppression device and control are
System connection, the negative pressure suppression device are connected to by pipeline with the cavity of the ftercompction tank body outside ftercompction capsule body.The water supply
Multistage tank structure is arranged in equipment on water main, and a ftercompction tank body, pressure stabilizing tank body and ftercompction tank are connected on pressure stabilizing tank body
Body is by a negative pressure suppression device connection or disconnects, and ftercompction tank interior is provided with ftercompction capsule, pressure stabilizing tank body and ftercompction
The internal cavity of tank body is connected to and is not connected to inside ftercompction capsule body, and the opening of ftercompction capsule by a water inlet pipe and supplies
Supply mains is connected to without being connected to ftercompction tank interior cavity.When equipment work, municipal tap water passes through water main, pressure stabilizing
Adjuster enters current stabilization tank body, and part water inlet is entered inside the intracorporal ftercompction capsule body of ftercompction tank by water inlet pipe, while steady
After the air of stream tank interior is compressed, the cavity outside ftercompction tank interior ftercompction capsule is entered by negative pressure suppression device
In, and pressure is generated to ftercompction capsule outer walls, ftercompction capsule is compressed under the action of compressed air, until intake pressure and benefit
The pressure intracorporal gas pressure of tank reaches balance.When equipment operates normally, municipal intake pressure is constant, current stabilization tank body and ftercompction tank
Intracorporal pressure keeps balance；When the increase of equipment flow or pump group start moment, when municipal intake pressure being caused to decline, ftercompction
Tank body carries out ftercompction to municipal administration water inlet by water inlet pipe, and water inlet enters ftercompction capsule, ftercompction glue by water inlet pipe
Capsule, which swells, compresses the air of ftercompction tank interior to current stabilization tank body, is ftercompction by ftercompction capsule and the air of ftercompction tank interior
Flow provides motive power, ensures the timeliness and validity of ftercompction flow；When equipment since certain failures or abnormal cause cause
When city planting ductwork is cut off the water, equipment is still being run, and the gas of ftercompction tank interior is discharged to current stabilization tank body by negative pressure suppression device
Inside supplements the pressure of current stabilization tank body, ensures that current stabilization tank interior does not have negative pressure generation.The supply equipment passes through multistage tank body knot
The cooperating of structure carries out dual ftercompction guarantee by ftercompction capsule and gas, enhances the negative pressure suppression effect of municipal administration water inlet, protects
The safe operation of city planting ductwork is hindered.
Preferably, the water inlet inside the water inlet pipe, which enters in ftercompction capsule body, forms water inlet ftercompction, it is described
Current stabilization tank interior gas by negative pressure suppression device enter the ftercompction tank interior outside ftercompction capsule body formed gas
Body pressure, the water inlet ftercompction and gas pressure form dual ftercompction to steady-flow tank body.
It is adjusted preferably, being provided with the pressure stabilizing connecting with control system between the water main and current stabilization tank arrangement
Device, the water inlet pipe are arranged between voltage regulation adjustor and current stabilization tank arrangement.
Preferably, the negative pressure suppression device includes outer housing, connecting tube, connecting flange and negative pressure suppression ontology,
The negative pressure suppression ontology is arranged in outer housing, and the negative pressure suppression ontology includes the ventilation for being connected to current stabilization tank interior
Pipe, high-frequency electromagnetic valve, negative pressure suppression cylinder, sphere and the thimble connecting with snorkel, the negative pressure suppression cylinder are connected to
The outlet end of snorkel is simultaneously connected to snorkel, and the thimble and sphere are provided with negative pressure suppression inner barrel, the top
Needle connect with sphere and is arranged with venting tube outlet face.Negative pressure suppression device is set as above structure, will by connecting flange
The negative pressure suppression device is connect with equipment water inlet current stabilization tank body, when city planting ductwork water inlet, due to current stabilization tank interior gas
It is compressed, the gas of current stabilization tank interior is discharged by snorkel, and sphere and thimble, high-frequency electromagnetic valve are in the open state at this time.
When liquid level rises to ball position after gas discharge in steady-flow tank body, sphere starts to float, and thimble closes snorkel, liquid
It can not flow out.High-frequency electromagnetic valve is controlled by control system close simultaneously.It is needed when in municipal water inlet insufficient pressure, steady-flow tank body
When ftercompction, high-frequency electromagnetic valve is opened, and the gas of ftercompction tank interior adds to current stabilization by snorkel while liquid level declines
In tank body, prevent negative pressure from generating.
Preferably, being provided with exit branch on the outfall sewer, it is connected with vacuum tank on the exit branch,
The vacuum tank is internally provided with pressure stabilizing capsule body, and the opening of the pressure stabilizing capsule body is connect with exit branch, described
The water inlet pipe of connection ftercompction tank body is connected by solenoid valve with the exit branch for connecting vacuum tank, the solenoid valve and control
System connection.It is to play the role of small flow pressure maintaining to carry out pressure stabilizing to supply equipment that vacuum tank is arranged on exit branch,
Pressure stabilizing tank interior is equipped with the pressure stabilizing capsule body of food-grade, and pressure stabilizing capsule body is connect with exit branch, logical with water inlet in water outlet
The branch pipe tip designs on road are mounted with solenoid valve, and in supply equipment abnormal high pressure, protection water outlet pipe network will be controlled by system carries out
Releasing pressure automatically prevents the generation of pipe explosion accident.
Preferably, the steady-flow tank is connected with one group of pump housing, the water outlet of each pump housing by one group of inlet valve
It is respectively arranged with check-valves and flowing water Valve and is connect with outfall sewer, pressure switch, institute are provided on the outfall sewer
The outfall sewer stated passes through water outlet main valve connection water outlet pipe network.Current stabilization tank body is directly connect with one group of pump housing, and each pump housing goes out
The mouth of a river is separately installed with check-valves and flowing water Valve and connect with outfall sewer, and pressure switch is equipped on outfall sewer, this
The structure of sample advantageously ensures that the normal operation of supply equipment.
Preferably, it is provided with pipeline expansion joint and electromagnetic flowmeter on the outfall sewer of the water outlet main valve front,
The electromagnetic flowmeter is connect with control system.
Preferably, control system uses redundancy structure, the control system includes master control system and auxiliary control
System, system, which operates normally, to be controlled by master control system and is monitored by supplementary controlled system, and master control system exception or failure are then
Supplementary controlled system operation, the solenoid valve are controlled by supplementary controlled system.Control system control cabinet part uses redundancy knot
Structure design is worked when system is operated normally by master control system, the fortune of supplementary controlled system then real-time monitoring master control system
Row state, and the real time data of storage system operation；When master control system exception or failure, supplementary controlled system is automatically engaged
Operation avoids the risk shut down, has ensured the demand of uninterrupted water supply.
Preferably, being additionally provided on water main into water main valve, y-type filter and backflow preventer.Equipment work
When, municipal tap water enters steady-flow tank, such knot by water inlet main valve, y-type filter, backflow preventer, voltage regulation adjustor
Structure realizes effective filtering to water supply, and ensure that water will not be flow backwards in water supply process.
The beneficial effects of the present invention are: the III type multistage tank body supply equipment of NFWG, 1. device structure parts increase valve
Intelligent control forms duplicate protection with mechanical structure, system operational safety performance, control system part is improved when operating normally
It is designed using redundancy structure, when control system operates normally, master control system is as control operation, and auxiliary system is as monitoring
System and data storage center, when master control system exception or failure, auxiliary system automatically engages operation, greatly improves and is
The security performance of system ensures continual water requirements.
2. the intelligent control of the disengaging water end (W.E.) design electromagnetic valve in equipment, pressure sensor detect Inlet and outlet water end pressure,
Pressure difference control is formed in systems, and when equipment is run, when discharge pressure superelevation, system controls electromagnetic valve and carries out automatic leakage
Pressure prevents outlet pipeline because of high pressure, increases the leakage loss of pipeline and shorten the service life of pipeline, and prevents the hair of pipe explosion accident
It is raw.
3. anti-negative pressure function is substantially mentioned using negative pressure suppression system by the duplicate protection of mechanical structure plus intelligent control
The stability of high equipment operation, in equipment operation, real-time monitoring intake pressure variation, intelligence control system control valve is opened
It closes, prevents the generation of negative relative, and by the timely ftercompction of mechanical structure, compensate flow of inlet water, duplicate protection negative pressure generates.
4. on the basis of totally-enclosed structure prevents water pollution once again, by collecting tank interior gas through overcompression
Energy provides motive power when intake pressure deficiency needs ftercompction, reduces the system ftercompction time, shortens the flow-compensated time,
Inhibit negative pressure to generate in time, water inlet pipe network is impacted.
5. device structure is automatically drained out the gas of storage, is supplemented to steady-flow tank when device systems operation exception or failure
The generation for the accidents such as body prevents tank interior because of vacuum phenomenon caused by totally-enclosed, prevents tank body from damaging, and pipeline goes to pot.
6. solving by the multistage tank structure design of the compensation of intake pressure and discharge pressure buffering because of intake pressure
Discharge pressure fluctuates caused by fluctuation, keeps discharge pressure more stable, promotes user and is tested with water body.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of III type multistage tank body supply equipment of NFWG of the present invention；
Fig. 2 is a kind of operation logic figure of III type multistage tank body supply equipment of NFWG of the present invention；
Fig. 3 is a kind of structural schematic diagram of multistage tank structure in the present invention；
Fig. 4 is a kind of structural schematic diagram of negative pressure suppression device in the present invention；
In figure: 1, control system, 2, water main, 3, outfall sewer, 4, current stabilization tank arrangement, 5, voltage regulation adjustor, 6, steady
Flow tank body, 7, ftercompction tank body, 8, ftercompction capsule body, 9, water inlet pipe, 10, negative pressure suppression device, 11, outer housing, 12, connection
Pipe, 13, connecting flange, 14, negative pressure suppression ontology, 15, snorkel, 16, high-frequency electromagnetic valve, 17, negative pressure suppression cylinder, 18, ball
Body, 19, thimble, 20, exit branch, 21, vacuum tank, 22, pressure stabilizing capsule body, 23, solenoid valve, 24, inlet valve, 25, the pump housing,
26, check-valves, 27, flowing water Valve, 28, pressure switch, 29, water outlet main valve, 30, pipeline expansion joint, 31, electromagnetic flowmeter, 32,
Master control system, 33, supplementary controlled system, 34, water inlet main valve, 35, y-type filter, 36, backflow preventer, 37, pressure inverting
Device.
Specific embodiment
Technical solution of the present invention is described in further detail below by specific embodiment and in conjunction with attached drawing.
Embodiment 1:
In Fig. 1, embodiment shown in Fig. 2, a kind of III type multistage tank body supply equipment of NFWG, including control system 1, set
Set the current stabilization tank arrangement 4 between water main 2 and outfall sewer 3, water main 2 and current stabilization tank arrangement 4 between be provided with it is steady
Adjuster 5 is pressed, current stabilization tank arrangement 4 is multistage tank structure, including current stabilization tank body 6 and ftercompction tank body 7, is set inside ftercompction tank body 7
It is equipped with ftercompction capsule body 8(and sees Fig. 3), connection ftercompction tank is provided on the water main 2 between voltage regulation adjustor 5 and steady-flow tank 4
The water inlet pipe 9 of body 7, the open communication of water inlet pipe 9 water outlet and ftercompction capsule body 8, current stabilization tank body 6 pass through a negative pressure suppression
Device 10 is connect with ftercompction tank body 7, and negative pressure suppression device 10 and voltage regulation adjustor 5 are connect with control system 1 respectively, negative pressure suppression
Device 10 is connected to by pipeline with the cavity of the ftercompction tank body 7 outside ftercompction capsule body 8.
Negative pressure suppression device 10 includes that outer housing 11, connecting tube 12, connecting flange 13 and negative pressure suppression ontology 14(are shown in figure
4), negative pressure suppression ontology 14 is arranged in outer housing 11, and negative pressure suppression ontology 14 includes the snorkel inside connection current stabilization tank body 6
15, high-frequency electromagnetic valve 16, negative pressure suppression cylinder 17, sphere 18 and the thimble 19 being connect with snorkel 15, negative pressure suppression cylinder 17
It is connected to the outlet end of snorkel 15 and is connected to snorkel 15, thimble 19 and sphere 18 are provided in negative pressure suppression cylinder 17
Portion, thimble 19 connect with sphere 18 and export face setting with snorkel 15.
It is provided with exit branch 20 on outfall sewer 3, vacuum tank 21 is connected on exit branch 20, is set inside vacuum tank 21
It is equipped with pressure stabilizing capsule body 22, the opening of pressure stabilizing capsule body 22 is connect with exit branch 20, connects the water inlet pipe 9 of ftercompction tank body 7
It is connected by solenoid valve 23 with the exit branch 20 for connecting vacuum tank 21, solenoid valve 23 is connect with control system 1.
Current stabilization tank arrangement 4 is connected with one group of pump housing 25, the water outlet difference of each pump housing 25 by one group of inlet valve 24
It is provided with check-valves 26 and flowing water Valve 27 and is connect with outfall sewer 3, pressure switch 28 is provided on outfall sewer 3, be discharged
General pipeline 3 passes through the water outlet connection water outlet pipe network of main valve 29.
It is discharged on the outfall sewer 3 of 29 front of main valve and is provided with pipeline expansion joint 30 and electromagnetic flowmeter 31, Electromagnetic Flow
Meter 31 is connect with control system 1.
Control system 1 uses redundancy structure, and control system 1 includes master control system 32 and supplementary controlled system 33, system
Normal operation is controlled by master control system 32 and is monitored by supplementary controlled system 33, and 32 exception of master control system or failure then assist
Control system 33 is run, and solenoid valve 23 is controlled by supplementary controlled system 33.
It is additionally provided on water main 2 into water main valve 34, y-type filter 35 and backflow preventer 36.
Voltage regulation adjustor 5 is installed, 6 upper end of current stabilization tank body is equipped with negative pressure suppression among municipal water inlet pipe to current stabilization tank arrangement 4
The inner cavity of device 10 processed and ftercompction tank body 7 (water inlet passes through the import entrance of ftercompction capsule body 8 inside ftercompction capsule body 8)
Connection；2 interface of water main installs pressure transmitter 37 and detects intake pressure, and divides to have into water branch 9 and connect ftercompction tank body
7, the ftercompction capsule body 8(that food-grade is equipped with inside ftercompction tank body 7 is intake inside ftercompction capsule body 8)；Current stabilization tank body 6 is direct
It is connect with one group of pump housing 25, each 25 water outlet of the pump housing is separately installed with check-valves 26 and flowing water Valve 27 and outfall sewer 3 connects
It connects, pressure switch 28 is installed on outfall sewer 3, and divide the connection of exit branch 20 vacuum tank 21 all the way, pacify inside vacuum tank 21
Pressure stabilizing capsule body 22 equipped with food-grade.Solenoid valve 23 is installed, solenoid valve 23 is by auxiliary between exit branch 20 and water inlet pipe 9
Control system 33 is helped to be controlled.
The operation logic of the supply equipment: equipment work when, municipal tap water by water inlet main valve 34, y-type filter 35,
Backflow preventer 36, voltage regulation adjustor 5 enter current stabilization tank body 6, and part water inlet is entered in ftercompction tank body 7 by water inlet pipe 9
The inside of ftercompction capsule body 8, while after the air inside current stabilization tank body 6 is compressed, ftercompction is entered by negative pressure suppression device 10
Inside ftercompction tank body 7 outside tank body 7(ftercompction capsule body 8) ftercompction capsule body 8 is compressed, until intake pressure and ftercompction
Gas pressure in tank body 7 reaches balance.When equipment operates normally, municipal intake pressure is constant, current stabilization tank body 6 and ftercompction tank
Pressure in body 7 keeps balance；When the increase of equipment flow or pump group start moment, when municipal intake pressure being caused to decline, benefit
It presses tank body 7 to carry out ftercompction to municipal administration water inlet by water inlet pipe 9, and is by the air inside ftercompction capsule body 8 and ftercompction tank body 7
Ftercompction flow provides motive power, ensures the timeliness and validity of ftercompction flow；When equipment is due to certain failures or abnormal cause
When city planting ductwork being caused to be cut off the water, equipment is still being run, and the gas inside ftercompction tank body 7 is gone forward side by side by the discharge of negative pressure suppression device 10
Enter inside current stabilization tank body 6, supplement the pressure of current stabilization tank body 6, ensures inside current stabilization tank body 6 there is no negative pressure generation.Water outlet setting
Vacuum tank 21 be equipment pressure stabilizing, the effect of small flow pressure maintaining, water outlet with water inlet access branch pipe tip designs be mounted with electricity
Magnet valve 23 is that protection water outlet pipe network will be controlled progress releasing pressure automatically by system in unit exception high pressure, prevents the hair of pipe explosion accident
It is raw.
The 1 control cabinet part of control system of equipment is designed using redundancy structure, when system operates normally, by main control system
32 work of system, the operating status of the then real-time monitoring master control system 32 of supplementary controlled system 33, and storage system operation is real-time
Data；When 32 exception of master control system or failure, supplementary controlled system 33 automatically engages operation, avoids the risk shut down, and protects
The demand of uninterrupted water supply is hindered.
Municipal administration water inlet enters in current stabilization tank body 6 from water main 2, and 6 inner part air of current stabilization tank body passes through negative after being compressed
Constrain device 10 processed and gas flow pipe enters ftercompction tank interior, a part water inlet then enters ftercompction capsule by water inlet pipe
Inside body 8, ftercompction capsule body 8 is installed on inside ftercompction tank body 7.
To ensure city planting ductwork safety, if intake pressure is P1,6 internal gas pressure of current stabilization tank body is P2, works as influent pressure
It is P1=P2 that power, which reaches balance,；When municipal water inlet pipe network pressure fluctuation, the balance and P1 ≠ P2 of intake pressure is broken, have then mended
Tank body 7 is pressed to carry out ftercompction to water inlet by the contraction of internal ftercompction capsule body 8 and air and adjust the steady of intake pressure
It is fixed, it is equivalent to the effect of air pressure tank body.(the water inlet of the default most minimum living when the deficiency of intake pressure reaches zero boundary's negative pressure value
Protecting pressure, that is, negative relative) P1 < P2, negative pressure suppression device are controlled by system and put the gas inside ftercompction tank body 7 at this time
Out, it is supplemented in current stabilization tank body 6, compensates 6 internal pressure of part steady-flow tank body, expand compensation rate, ensure municipal administration water inlet without negative pressure
It generates, is increased by the cooperating of multistage tank structure by the dual ftercompction guarantee of ftercompction capsule body 8 and gas in the design
The strong negative pressure suppression effect of municipal water inlet, ensures the safety of city planting ductwork.
In the design, negative pressure suppression device 10 is connect by connecting flange 13 with equipment water inlet current stabilization tank body 6, works as municipal administration
When pipe network is intake, since 6 internal gas of current stabilization tank body compresses, 6 internal gas of current stabilization tank body is discharged by snorkel 15, stainless at this time
Steel ball body 18 and thimble 19, high-frequency electromagnetic valve 16 are in the open state.Liquid level rises to not after gas is discharged in current stabilization tank body 6
When rust 18 position of steel ball body, stainless steel sphere 18 starts to float, and thimble 19 closes snorkel 15, and liquid can not flow out.High frequency
Solenoid valve 16 is controlled by control system 1 close simultaneously.When needing ftercompction inside municipal water inlet insufficient pressure, current stabilization tank body 6,
High-frequency electromagnetic valve 16 is opened, and gas is added in current stabilization tank body 6 by snorkel 15 while liquid level declines, and prevents negative pressure from producing
It is raw.
The equipment also devises pressure in water outlet in the negative pressure protection and the design of pressure compensation of municipal water inlet end
Compensation and small flow pressure maintaining function, it is therefore prevented that the frequent fluctuation of pressure, more perfect guarantee are generated without negative pressure.Equipment is in negative pressure
Protection, negative pressure eliminate the function of functionally devising duplicate protection, intrinsic by the storage and release and capsule body of gas pressure
Contractility eliminates function come the ftercompction for realizing city planting ductwork water inlet and negative pressure, protect municipal intake pressure when equipment is run more
Add safety.Equipment has done the safeguard protection of major-minor system, intelligentized control method, dual system redundancy structure on intelligent control system
Design, the safety that lifting means supplies water.No negative pressure equipment takes full advantage of equipment on pressure compensation and produces at runtime
Raw excess pressure energy, compensation function realize inside equipment, is not take up space, low manufacture cost, effective protection pipe network
The insecurity factor generated is influenced by water outlet high pressure, pipe network loss and leakage loss is reduced, achievees the purpose that energy-saving safe.Equipment is more
Point pressure monitoring, multisystem cooperation control, and circulation is mutually standby, gives warning in advance, and realize uninterrupted water supply, ensure equipment safety operation.
Claims (8)
1. a kind of III type multistage tank body supply equipment of NFWG, including control system (1), setting in water main (2) and are discharged total
Manage the current stabilization tank arrangement (4) between (3), it is characterised in that: the current stabilization tank arrangement (4) is multistage tank structure, including steady
Stream tank body (6) and ftercompction tank body (7), the ftercompction tank body (7) are internally provided with ftercompction capsule body (8), and the water supply is total
The water inlet pipe (9) of connection ftercompction tank body (7), the water inlet pipe (9) water outlet and ftercompction capsule body are provided on pipe (2)
(8) open communication, the current stabilization tank body (6) is connect by a negative pressure suppression device (10) with ftercompction tank body (7), described
Negative pressure suppression device (10) is connect with control system (1), and the negative pressure suppression device (10) passes through pipeline and ftercompction capsule body
(8) the cavity connection of external ftercompction tank body (7)；The internal water inlet of the water inlet pipe (9) enters ftercompction capsule body (8)
Interior formation water inlet ftercompction, the internal gas of the current stabilization tank body (6) enter ftercompction capsule by negative pressure suppression device (10)
Gas pressure is formed inside the external ftercompction tank body (7) of body (8), the water inlet ftercompction and gas pressure are to current stabilization tank body (6)
Form dual ftercompction；Described water main (2) interface is equipped with pressure transmitter (37).
2. III type multistage tank body supply equipment of a kind of NFWG according to claim 1, it is characterised in that: the water supply is total
The voltage regulation adjustor (5) connecting with control system (1), the water inlet pipe are provided between pipe (2) and current stabilization tank arrangement (4)
(9) it is arranged between voltage regulation adjustor (5) and current stabilization tank arrangement (4).
3. III type multistage tank body supply equipment of a kind of NFWG according to claim 1, it is characterised in that: the negative pressure suppression
Device (10) processed includes outer housing (11), connecting tube (12), connecting flange (13) and negative pressure suppression ontology (14), the negative pressure
Inhibit ontology (14) setting in outer housing (11), the negative pressure suppression ontology (14) includes that connection current stabilization tank body (6) is internal
Snorkel (15), the high-frequency electromagnetic valve (16), negative pressure suppression cylinder (17), sphere (18) and the thimble that are connect with snorkel (15)
(19), the negative pressure suppression cylinder (17) is connected to the outlet end of snorkel (15) and is connected to snorkel (15), described
Thimble (19) and sphere (18) setting are internal in negative pressure suppression cylinder (17), the thimble (19) connect with sphere (18) and with
Snorkel (15) exports face setting.
4. III type multistage tank body supply equipment of a kind of NFWG according to claim 1, it is characterised in that: the water outlet is total
It is provided with exit branch (20) on pipe (3), vacuum tank (21), the vacuum tank is connected on the exit branch (20)
(21) it is internally provided with pressure stabilizing capsule body (22), the opening of the pressure stabilizing capsule body (22) is connect with exit branch (20), institute
The water inlet pipe (9) for the connection ftercompction tank body (7) stated passes through solenoid valve (23) and the exit branch (20) that connect vacuum tank (21)
Connection, the solenoid valve (23) are connect with control system (1).
5. III type multistage tank body supply equipment of a kind of NFWG according to claim 1, it is characterised in that: the steady-flow tank
Device (4) is connected with one group of pump housing (25) by one group of inlet valve (24), and the water outlet of each pump housing (25) is respectively arranged with
Check-valves (26) and flowing water Valve (27) are simultaneously connect with outfall sewer (3), and the outfall sewer is provided with pressure switch on (3)
(28), the outfall sewer (3) passes through water outlet main valve (29) connection water outlet pipe network.
6. III type multistage tank body supply equipment of a kind of NFWG according to claim 5, it is characterised in that: the water outlet is total
Pipeline expansion joint (30) and electromagnetic flowmeter (31), the Electromagnetic Flow are provided on the outfall sewer (3) of valve (29) front
Meter (31) is connect with control system (1).
7. III type multistage tank body supply equipment of a kind of NFWG according to claim 1 or 2 or 3 or 4 or 5 or 6, feature exist
In: control system (1) uses redundancy structure, and the control system (1) includes master control system (32) and supplementary controlled system
(33), system, which operates normally, is controlled by master control system (32) and is monitored by supplementary controlled system (33), master control system (32)
Then supplementary controlled system (33) is run for exception or failure.
8. III type multistage tank body supply equipment of a kind of NFWG according to claim 1 or 2 or 3 or 4 or 5 or 6, feature exist
In: it is additionally provided on water main (2) into water main valve (34), y-type filter (35) and backflow preventer (36).
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| CN201610571973.XA CN106400891B (en) | 2016-07-20 | 2016-07-20 | A kind of III type multistage tank body supply equipment of NFWG |
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| CN201610571973.XA CN106400891B (en) | 2016-07-20 | 2016-07-20 | A kind of III type multistage tank body supply equipment of NFWG |
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| CN106400891A CN106400891A (en) | 2017-02-15 |
| CN106400891B true CN106400891B (en) | 2019-03-01 |
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| CN107542128A (en) * | 2017-09-12 | 2018-01-05 | 江苏铭星供水设备有限公司 | The compensation box type negative-pressure-free supply equipment of digital full frequency conversion residual quantity |
| CN108438281B (en) * | 2018-05-06 | 2022-01-18 | 长春融成智能设备制造股份有限公司 | Variable pressure fluid quantity control device based on local constant pressure and accurate quantity control method |
| CN109281355A (en) * | 2018-09-07 | 2019-01-29 | 南方泵业智水（杭州）科技有限公司 | The compensation laminating water supply equipment of transfiguration |
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| CN110512688A (en) * | 2019-08-30 | 2019-11-29 | 长沙中赢供水设备有限公司 | A kind of filter-type non-negative pressure water-supply device based on Internet of Things |
| CN111997142B (en) * | 2020-08-26 | 2021-09-24 | 无锡康宇水处理设备有限公司 | Flow compensation non-negative pressure pipe network pressure-superposed energy-saving water supply control system |
| CN111997144B (en) * | 2020-08-26 | 2021-09-21 | 无锡康宇水处理设备有限公司 | Outdoor integral intelligent pipe network pressure-superposed water supply equipment |
| CN112031075A (en) * | 2020-09-01 | 2020-12-04 | 蒋介中 | Energy-saving pipe network pressure-superposed water supply control system |
| CN116378170B (en) * | 2023-05-05 | 2023-09-22 | 艺坤智慧水务集团有限公司 | Distributed energy compensation device for negative pressure elimination |
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| CN106400891A (en) | 2017-02-15 |
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Effective date of registration: 20190819 Address after: 310000 No. 20 Hengyi Road, Yuhang Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee after: Southern pump industry Zhi Shui (Hangzhou) Technology Co., Ltd. Address before: Renhe Town of Yuhang District of Hangzhou City, Zhejiang province 311107 Patentee before: Southern Gold environment Limited by Share Ltd |
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Address after: 310000 Building 2, No.20 Hengyi Road, Yuhang Economic and Technological Development Zone, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Nanfang Zhishui Technology Co.,Ltd. Address before: 310000 Building 2, No.20 Hengyi Road, Yuhang Economic and Technological Development Zone, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: NANFANG PUMP ZHISHUI (HANGZHOU) TECHNOLOGY Co.,Ltd. |
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