CN204311506U - Pipe network pressure-superposition non-negative pressure steady flow supply equipment - Google Patents
Pipe network pressure-superposition non-negative pressure steady flow supply equipment Download PDFInfo
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- CN204311506U CN204311506U CN201420662258.3U CN201420662258U CN204311506U CN 204311506 U CN204311506 U CN 204311506U CN 201420662258 U CN201420662258 U CN 201420662258U CN 204311506 U CN204311506 U CN 204311506U
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Abstract
The utility model discloses pipe network pressure-superposition non-negative pressure steady flow supply equipment to form primarily of flow detector, non negative pressure controller, steady-flow tank, rill buret, water pump, pressure-head switch and switch board; described steady-flow tank is horizontal stainless steel closed structure; dividing plate is provided with in steady-flow tank; steady-flow tank is divided into current stabilization chamber and small flow pressure maintaining chamber two parts by dividing plate; in small flow pressure maintaining chamber, be also equiped with barrier film, barrier film is fixed on by fastening bolt and is welded in the vessel flange of steady-flow tank.The beneficial effects of the utility model are; steady-flow tank is divided into the two-chamber integrated morphology in current stabilization chamber and small flow pressure maintaining chamber by the utility model; there is the advantages such as compact conformation, in-site installation convenience and good stability; and the barrier film being installed in small flow pressure maintaining chamber is for convenience detach and change; the energy-efficient performance that low discharge supplies water is good, and have pipe network pressure-superposition non-negative pressure steady flow water supply function, its occupation of land is little simultaneously; automaticity is high, and defencive function is complete.
Description
Technical field
The utility model relates to secondary water-supply technical field, specifically a kind of pipe network pressure-superposition non-negative pressure steady flow supply equipment.
Background technology
The pipe network pressure-superposed cities and towns tap water pipe network that can directly be serially connected in supplies water, it is a kind of novel secondary hydrotechny, its major advantage is that energy-conservation, health, occupation of land are little, uses in the secondary water-supply field of much industry and civilian construction at present, and achieves good effect.But because secondary water-supply exists water supply volume vary within wide limits, by features such as water are uneven; and often there will be the situation of long-time low discharge or zero delivery, as in the period in morning, but in order to maintain ductwork pressure; water pump still needs to run and consumed energy, there is not energy-conservation phenomenon.Therefore, the pipe network Pressure-superposed water supply equipment that market occurs often all vertical installation auto-pneumatic cylinder on water pump water outlet house steward, when being intended to realize low discharge, termination of pumping is supplied water to reach energy-saving effect by auto-pneumatic cylinder, but, auto-pneumatic cylinder is owing to being constantly subject to the effect of water pump water supply compression and termination of pumping expansion, the impact such as unstability, vibration is easily caused on outfall sewer, and auto-pneumatic cylinder is not used in in-site installation and layout, there is the problems such as voltage endurance capability and anticorrosion, corrosion simultaneously yet.
Utility model content
The purpose of this utility model is to provide a kind of without the need to arranging separately auto-pneumatic cylinder, reaching again the pipe network pressure-superposition non-negative pressure steady flow supply equipment of low discharge water supply and energy saving effect.
The utility model solves the technical scheme that its technical problem adopts: pipe network pressure-superposition non-negative pressure steady flow supply equipment is primarily of flow detector, non negative pressure controller, steady-flow tank, rill buret, water pump, pressure-head switch and switch board composition, described steady-flow tank is horizontal stainless steel closed structure, dividing plate is provided with in steady-flow tank, steady-flow tank is divided into current stabilization chamber and small flow pressure maintaining chamber two parts by dividing plate, also barrier film is equiped with in small flow pressure maintaining chamber, barrier film is fixed on by fastening bolt and is welded in the vessel flange of steady-flow tank, vessel flange is positioned at small flow pressure maintaining cavity segment, small flow pressure maintaining chamber is divided into again high pressure hydroecium gentle room two parts by barrier film, charging connector is provided with at plenum section, pressure meter is provided with at high pressure hydroecium top, the bottom of high pressure hydroecium is provided with low discharge mouth, at the current stabilization top of chamber installing non negative pressure controller of steady-flow tank, and be provided with water inlet, current stabilization is provided with liquid level sensor bottom chamber, atmospheric valve and delivery port, the water inlet of steady-flow tank is connected with tap water water inlet pipe, tap water water inlet pipe is provided with backflow preventer before connecting steady-flow tank, flow detector was provided with before backflow preventer, strainer and pressure sensor is equiped with before flow detector, the delivery port of steady-flow tank connects water suction house steward, water pump is connected again by water suction house steward, water pump water outlet connects outfall sewer and supplies water to water spot, outfall sewer is equiped with pressure sensor and pressure-head switch, walk around water pump, bypass pipe is provided with between water suction house steward and outfall sewer, bypass pipe is provided with flap valve, after the flap valve of bypass pipe, be provided with rill buret be connected with the low discharge mouth of steady-flow tank, rill buret is also equiped with discharging valve, the pressure sensor of tap water water inlet pipe, flow detector, liquid level sensor, water pump, the pressure sensor of outfall sewer is connected with switch board by wire respectively with pressure-head switch, described wire comprises cable, RVV and shielding line.
Operating principle of the present utility model is, first tap water enters the current stabilization chamber water-filling of steady-flow tank, after the full water of current stabilization chamber, water pump automatically starts and carries out constant pressure water supply, when tap water water inlet is less than the water outlet of current stabilization chamber, the non negative pressure controller be installed on steady-flow tank fills into air by automatically opening, to eliminate negative pressure, the deficiency that supplementary tap water is intake by the water storage now in current stabilization chamber, water pump continues to run, water level in current stabilization chamber declines thereupon, liquid level sensor detects the SEA LEVEL VARIATION in current stabilization chamber, when detecting that water level is in below designated water level, system will judge lack of water, and by water pump stoppage protection and warning, when tap water water inlet recovers, and after being full of current stabilization chamber, water pump automatically starts and recovers normal work, in water pump operation process, a water pump water outlet part is used for the normal water supply of maintenance water spot, another part then enters the high pressure hydroecium in the small flow pressure maintaining chamber of steady-flow tank by rill buret, the gas in membrane compresses air chamber is passed through again by high pressure hydroecium, to store regulating pondage, gas in air chamber shifts to an earlier date preliminary filling by charging connector or supplements, when detecting that pump variable frequency frequency is lower than low discharge setpoint frequency, and when detecting that flow is in below setting small flow rate values by flow detector, system is after time delay 10s ~ 40s, make outfall sewer pressure higher than 0.02 ~ 0.06MPa of normal constant pressure raising pump head, after voltage stabilizing 5s ~ 10s time, water pump is shut down and is entered dormancy power save mode, now system is supplied water by the small flow pressure maintaining chamber of steady-flow tank, the regulating pondage of high pressure hydroecium to be sent to by rill buret by barrier film effect and to use with water spot by the gas of air chamber, along with the discharge reduction of high pressure hydroecium, the volume of air chamber correspondingly increases, and air pressure reduces, thus the pressure making it supply water reduces, when detecting supply mains's pressure lower than the minimum operating pressure set, water pump wakes up automatically, and start water supply, so repeatedly, to reach the energy-saving effect of low discharge interval termination of pumping and continuous water supply.
Described pressure-head switch is used for carrying out overpressure protection to outfall sewer; when the overpressure protection value that outfall sewer pressure exceedes setting can not effectively control; pressure-head switch action and make water pump out of service and report to the police, after superpressure is eliminated, water pump will recover normal operation automatically.
The beneficial effects of the utility model are; steady-flow tank is divided into the two-chamber integrated morphology in current stabilization chamber and small flow pressure maintaining chamber by the utility model; there is the advantages such as compact conformation, in-site installation convenience and good stability; and the barrier film being installed in small flow pressure maintaining chamber is for convenience detach and change; the energy-efficient performance that low discharge supplies water is good, and have pipe network pressure-superposition non-negative pressure steady flow water supply function, its occupation of land is little simultaneously; automaticity is high, and defencive function is complete.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
In figure, 1, tap water water inlet pipe, 2, pressure sensor, 3, strainer, 4, flow detector, 5, backflow preventer, 6, non negative pressure controller, 7, steady-flow tank, 8, liquid level sensor, 9, atmospheric valve, 10, pressure meter, 11, wire, 12, rill buret, 13, discharging valve, 14, bypass pipe, 15, flap valve, 16, water suction house steward, 17, water pump, 18, outfall sewer, 19, pressure sensor, 20, pressure-head switch, 21, switch board, 22, with water spot, 701, dividing plate, 702, current stabilization chamber, 703, high pressure hydroecium, 704, delivery port, 705, low discharge mouth, 706, water inlet, 707, vessel flange, 708, fastening bolt, 709, barrier film, 710, air chamber, 711, charging connector.
Detailed description of the invention
With regard to accompanying drawing 1, pipe network pressure-superposition non-negative pressure steady flow supply equipment of the present utility model is described in detail below below.
As shown in Figure 1, pipe network pressure-superposition non-negative pressure steady flow supply equipment of the present utility model is primarily of flow detector 4, non negative pressure controller 6, steady-flow tank 7, rill buret 12, water pump 17, pressure-head switch 20 and switch board 21 form, described steady-flow tank 7 is horizontal stainless steel closed structure, dividing plate 701 is provided with in steady-flow tank 7, steady-flow tank 7 is divided into current stabilization chamber 702 and small flow pressure maintaining chamber two parts by dividing plate 701, barrier film 709 is also equiped with in small flow pressure maintaining chamber, barrier film 709 is fixed on by fastening bolt 708 and is welded in the vessel flange 707 of steady-flow tank 7, vessel flange 707 is positioned at small flow pressure maintaining cavity segment, small flow pressure maintaining chamber is divided into again high pressure hydroecium 703 and air chamber 710 two parts by barrier film 709, charging connector 711 is provided with in air chamber 710 part, pressure meter 10 is provided with at high pressure hydroecium 703 top, the bottom of high pressure hydroecium 703 is provided with low discharge mouth 705, at the top, current stabilization chamber 702 of steady-flow tank 7 installing non negative pressure controller 6, and be provided with water inlet 706, liquid level sensor 8 is provided with bottom current stabilization chamber 702, atmospheric valve 9 and delivery port 704, the water inlet 706 of steady-flow tank 7 is connected with tap water water inlet pipe 1, tap water water inlet pipe 1 is provided with backflow preventer 5 before connecting steady-flow tank 7, flow detector 4 was provided with before backflow preventer 5, strainer 3 and pressure sensor 2 is equiped with before flow detector 4, the delivery port 704 of steady-flow tank 7 connects water suction house steward 16, water pump 17 is connected again by water suction house steward 16, water pump 17 water outlet connects outfall sewer 18 and supplies water to water spot 22, outfall sewer 18 is equiped with pressure sensor 19 and pressure-head switch 20, walk around water pump 17, bypass pipe 14 is provided with between water suction house steward 16 and outfall sewer 18, bypass pipe 14 is provided with flap valve 15, after the flap valve 15 of bypass pipe 14, be provided with rill buret 12 be connected with the low discharge mouth 705 of steady-flow tank 7, rill buret 12 is also equiped with discharging valve 13, the pressure sensor 2 of tap water water inlet pipe 1, flow detector 4, liquid level sensor 8, water pump 17, the pressure sensor 19 of outfall sewer 18 is connected with switch board 21 by wire 11 respectively with pressure-head switch 20, described wire 11 comprises cable, RVV and shielding line.
Operating principle of the present utility model is, first tap water enters current stabilization chamber 702 water-filling of steady-flow tank 7, after the full water of current stabilization chamber 702, water pump 17 automatically starts and carries out constant pressure water supply, when tap water water inlet is less than 702 water outlet of current stabilization chamber, the non negative pressure controller 6 be installed on steady-flow tank 7 fills into air by automatically opening, to eliminate negative pressure, the deficiency that supplementary tap water is intake by the water storage now in current stabilization chamber 702, water pump 17 continues to run, water level in current stabilization chamber 702 declines thereupon, liquid level sensor 8 detects the SEA LEVEL VARIATION in current stabilization chamber 702, when detecting that water level is in below designated water level, system will judge lack of water, and by water pump 17 stoppage protection and warning, when tap water water inlet recovers, and after being full of current stabilization chamber 702, water pump 17 automatically starts and recovers normal work, in water pump 17 running, a water pump 17 water outlet part is used for the normal water supply of maintenance water spot 22, another part then enters the high pressure hydroecium 703 in the small flow pressure maintaining chamber of steady-flow tank 7 by rill buret 12, the gas in barrier film 709 compression air chamber 710 is passed through again by high pressure hydroecium 703, to store regulating pondage, gas in air chamber 710 shifts to an earlier date preliminary filling by charging connector 711 or supplements, when detecting that water pump 17 conversion frequencies is lower than low discharge setpoint frequency, and when detecting that flow is in below setting small flow rate values by flow detector 4, system is after time delay 10s ~ 40s, make outfall sewer 18 pressure higher than 0.02 ~ 0.06MPa of normal constant pressure raising water pump 17 lift, after voltage stabilizing 5s ~ 10s time, dormancy power save mode is shut down and entered to water pump 17, now system is supplied water by the small flow pressure maintaining chamber of steady-flow tank 7, the gas of air chamber 710 acts on the regulating pondage of high pressure hydroecium 703 to be sent to by rill buret 12 by barrier film 709 and uses with water spot 22, along with the discharge reduction of high pressure hydroecium 703, the volume of air chamber 710 correspondingly increases, and air pressure reduces, thus the pressure making it supply water reduces, when detecting supply mains 18 pressure lower than the minimum operating pressure set, water pump 17 wakes up automatically, and start water supply, so repeatedly, to reach the energy-saving effect of low discharge interval termination of pumping and continuous water supply.
Described pressure-head switch 20 is for carrying out overpressure protection to outfall sewer 18; when the overpressure protection value that outfall sewer 18 pressure exceedes setting can not effectively control; pressure-head switch 20 action and make water pump 17 out of service and report to the police; after superpressure is eliminated, water pump 17 will recover normal operation automatically.
Claims (4)
1. a pipe network pressure-superposition non-negative pressure steady flow supply equipment is primarily of flow detector, non negative pressure controller, steady-flow tank, rill buret, water pump, pressure-head switch and switch board composition, it is characterized in that, described steady-flow tank is horizontal stainless steel closed structure, dividing plate is provided with in steady-flow tank, steady-flow tank is divided into current stabilization chamber and small flow pressure maintaining chamber two parts by dividing plate, also barrier film is equiped with in small flow pressure maintaining chamber, barrier film is fixed on by fastening bolt and is welded in the vessel flange of steady-flow tank, vessel flange is positioned at small flow pressure maintaining cavity segment, small flow pressure maintaining chamber is divided into again high pressure hydroecium gentle room two parts by barrier film, charging connector is provided with at plenum section, pressure meter is provided with at high pressure hydroecium top, the bottom of high pressure hydroecium is provided with low discharge mouth, at the current stabilization top of chamber installing non negative pressure controller of steady-flow tank, and be provided with water inlet, current stabilization is provided with liquid level sensor bottom chamber, atmospheric valve and delivery port, the water inlet of steady-flow tank is connected with tap water water inlet pipe, the delivery port of steady-flow tank connects water suction house steward, water pump is connected again by water suction house steward, water pump water outlet connects outfall sewer and supplies water to water spot, walk around water pump, bypass pipe is provided with between water suction house steward and outfall sewer, bypass pipe is provided with flap valve, after the flap valve of bypass pipe, be provided with rill buret be connected with the low discharge mouth of steady-flow tank.
2. pipe network pressure-superposition non-negative pressure steady flow supply equipment according to claim 1, it is characterized in that, before tap water water inlet pipe connects steady-flow tank, be provided with backflow preventer, before backflow preventer, be provided with flow detector, before flow detector, be equiped with strainer and pressure sensor.
3. pipe network pressure-superposition non-negative pressure steady flow supply equipment according to claim 1, is characterized in that, outfall sewer is equiped with pressure sensor and pressure-head switch.
4. pipe network pressure-superposition non-negative pressure steady flow supply equipment according to claim 1, is characterized in that, rill buret is also equiped with discharging valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420662258.3U CN204311506U (en) | 2014-11-09 | 2014-11-09 | Pipe network pressure-superposition non-negative pressure steady flow supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420662258.3U CN204311506U (en) | 2014-11-09 | 2014-11-09 | Pipe network pressure-superposition non-negative pressure steady flow supply equipment |
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| Publication Number | Publication Date |
|---|---|
| CN204311506U true CN204311506U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420662258.3U Expired - Fee Related CN204311506U (en) | 2014-11-09 | 2014-11-09 | Pipe network pressure-superposition non-negative pressure steady flow supply equipment |
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| Country | Link |
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| CN (1) | CN204311506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173023A (en) * | 2019-06-24 | 2019-08-27 | 上海威派格智慧水务股份有限公司 | A kind of three tank body stabilizing compensation non-negative pressure water-supply devices |
-
2014
- 2014-11-09 CN CN201420662258.3U patent/CN204311506U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173023A (en) * | 2019-06-24 | 2019-08-27 | 上海威派格智慧水务股份有限公司 | A kind of three tank body stabilizing compensation non-negative pressure water-supply devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20151109 |
|
| EXPY | Termination of patent right or utility model |