CN104846883A - Pot-type pressure-superposed water supply device with small-flow auxiliary pump for energy saving - Google Patents
Pot-type pressure-superposed water supply device with small-flow auxiliary pump for energy saving Download PDFInfo
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- CN104846883A CN104846883A CN201410582565.5A CN201410582565A CN104846883A CN 104846883 A CN104846883 A CN 104846883A CN 201410582565 A CN201410582565 A CN 201410582565A CN 104846883 A CN104846883 A CN 104846883A
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- low discharge
- auxiliary pump
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- pump
- flow
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- 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
Abstract
The invention discloses a pot-type pressure-superposed water supply device with a small-flow auxiliary pump for energy saving. The pot-type pressure-superposed water supply device is mainly composed of a flow stabilization compensator, a non-negative-pressure controller, an air pressure water tank, the small-flow auxiliary pump, a solenoid valve, a main pump, a flow detecting device and a control cabinet. A second bypass pipe is arranged between a water distribution header pipe and a water outlet header pipe in the manner of bypassing a main pump, and a small-flow pipe is arranged at the position, behind a third check valve, of the second bypass pipe to be connected with the air pressure water tank; and the solenoid valve and a second pressure detecting meter are installed on the small-flow pipe, and a first bypass pipe is further arranged at the position, by passing the solenoid valve and the second pressure detecting meter, of the small-flow pipe. The pot-type pressure-superposed water supply device has the beneficial effects that the small-flow auxiliary pump and the air pressure water tank are arranged, so that the energy saving water supply effect can be better achieved when the flow is small; the pressure-superposed water supply energy-saving potential is further excavated, and the energy-saving flow range is enlarged; in addition, the using rate of the effective volume of the air pressure water tank can be greatly improved through the small-flow auxiliary pump, and the investment and the occupied land are better saved.
Description
Technical field
The present invention relates to secondary water-supply technical field, specifically a kind of the energy-conservation tank-type pressure-superposed of the auxiliary pump of low discharge is set.
Background technology
Tank-type pressure-superposed has energy-conservation, health, take up an area few, the advantages such as reduced investment and management maintenance convenience, be widely used in house at present, office, shop, hospital, the secondary water-supply fields such as school, but tank-type pressure-superposed can not solve the power saving that water pump departs from efficient district well when low discharge, so, many tank-type pressure-superposeds on market all arrange auto-pneumatic cylinder at delivery port, be intended to small flow pressure maintaining energy-conservation, but the volume adjusted of auto-pneumatic cylinder is little, its volume adjusted accounts for total measurement (volume) less than 1/3, increase volume adjusted and certainly will will strengthen the total measurement (volume) of auto-pneumatic cylinder, this not only adds investment, and installation takes up room, therefore, the auto-pneumatic cylinder diameter arranged in tank-type pressure-superposed is often at below φ 800mm, volume adjusted is less than 0.3m
3, this energy-saving effect brought small flow pressure maintaining is very limited, some almost zero, be only ornaments.
Summary of the invention
The object of the present invention is to provide a kind of effective and auto-pneumatic cylinder pondage large the energy-conservation tank-type pressure-superposed of the auxiliary pump of low discharge is set.
The technical solution adopted for the present invention to solve the technical problems is: arrange the energy-conservation tank-type pressure-superposed of the auxiliary pump of low discharge primarily of steady flow compensator, non negative pressure controller, auto-pneumatic cylinder, the auxiliary pump of low discharge, electromagnetic valve, main pump, flow detector and switch board composition, described steady flow compensator is the airtight pressure bearing stored water receptacle of pot type, preferred horizontal type structure, steady flow compensator top is equiped with non negative pressure controller and pressure detecting table one, steady flow compensator water inlet is connected in series with tap water water inlet pipe, and along water (flow) direction, strainer and backflow preventer are housed in turn on tap water water inlet pipe, steady flow compensator water outlet is connected with main pump by distribution main, main pump water outlet is connected to outfall sewer, outfall sewer is by after being connected with flow detector, water delivery is to supplying water with water spot again, outfall sewer is equiped with pressure detecting table three, walk around main pump, bypass pipe two is provided with between distribution main and outfall sewer, and bypass pipe two is provided with flap valve three, after the flap valve three of bypass pipe two, be provided with rill buret be connected with auto-pneumatic cylinder, and electromagnetic valve is equiped with on rill buret, pressure detecting table two is housed between electromagnetic valve and auto-pneumatic cylinder, on rill buret, walk around electromagnetic valve and pressure detecting table two is also provided with bypass pipe one, and on bypass pipe one, be equiped with the auxiliary pump of low discharge and flap valve two, bypass pipe one before the auxiliary pump of low discharge is also provided with low discharge distribution pipe be connected with distribution main, and on low discharge distribution pipe, flap valve one is housed, make low discharge distribution pipe and auto-pneumatic cylinder all can be low discharge auxiliary pump and water source is provided.Described pressure detecting table one, non negative pressure controller, pressure detecting table two, the auxiliary pump of low discharge, electromagnetic valve, main pump, flow detector are connected with switch board by cable respectively with pressure detecting table three.
Described main pump is 1 ~ 4 and is arranged in parallel, preferably 2 ~ 3; The auxiliary pump of described low discharge arranges 1, and the flow of the auxiliary pump of low discharge is selected according to main pump flow 1/4 ~ 1/3, and the auxiliary pump lift of low discharge is selected according to main pump lift or lower than main pump lift 5% ~ 25%.
Operating principle of the present invention is, non negative pressure controller is used for main pump to be directly connected in series to implement without negative pressure water distribution system flushing by steady flow compensator and tap water water inlet pipe, when the water-supply shortages of tap water water inlet pipe, water storage in steady flow compensator supplement and water level starts to decline time, non negative pressure controller fills into air by automatically opening and eliminates negative pressure, treat that tap water inflow is sufficient, and after detecting steady flow compensator full water, non negative pressure controller is automatically closed and is returned to and laminates water supply, namely ftercompction water supply is carried out to tap water water inlet pipe pressure, during normal work, by main pump frequency modulation water supply, main pump is by bypass pipe two simultaneously, through rill buret and electromagnetic valve to the enough regulating pondage of auto-pneumatic cylinder deposit, electromagnetic valve is opened, when the low discharge with water low peak period, when being detected that by flow detector instantaneous delivery is lower than low discharge setting value, and when continuing 5s ~ 30s, system is by stopping main pump and enter main pump resting state, now pass through rill buret by auto-pneumatic cylinder, electromagnetic valve and bypass pipe two give small flow pressure maintaining to outfall sewer and supply water, electromagnetic valve is opened, along with the regulating pondage in auto-pneumatic cylinder reduces, its pressure of supply water decreases, when pressure detecting table two detects pressure of supply water lower than the minimum operating pressure value set, the auxiliary pump startup of low discharge, closed electromagnetic valve, the water outlet constant voltage value that now the auxiliary pump of low discharge sets according to pressure detecting table three carries out frequency modulation water supply, run the auxiliary pump of low discharge than main pump energy-saving and frequency-variable, and the water source of the auxiliary pump of low discharge comes from auto-pneumatic cylinder and low discharge distribution pipe, after treating low discharge, when the auxiliary pump of operation low discharge can not meet the water supply requirement of water supply volume increase, system will automatically switch to main pump frequency modulation water supply state, the auxiliary pump of low discharge stops, so repeatedly, to reach energy-efficient effect,
In addition, in the main pump course of work, when the water-supply shortages of tap water water inlet pipe and non negative pressure controller detects below the water storage water level decreasing of steady flow compensator to the current stabilization water level of setting time, system judges anhydrous, and main pump stoppage protection is also reported to the police; When the sufficient and pressure detecting table one of the output of tap water water inlet pipe detect that steady flow compensator pressure reaches setting minimum open more than pump pressure force value time, main pump will automatically start and recover normal operating conditions;
Equally; in the auxiliary pump operation process of low discharge; when pressure detecting table two detects the intake pressure of the auxiliary pump of low discharge lower than the water deprivation stress value set; system judges that the anhydrous and auxiliary pump of low discharge is shut down and reports to the police; wait have water and pressure detecting table one detect that steady flow compensator pressure reaches setting minimum open more than pump pressure force value time, start main pump and be restored to normal operating conditions.
The invention has the beneficial effects as follows, the present invention arranges the auxiliary pump of low discharge and auto-pneumatic cylinder can reach energy saving water supply preferably effect when low discharge, thus excavated the energy-saving potential laminating water supply further, expand the range of flow of energy saving water supply, and auto-pneumatic cylinder can also improve the utilization rate of its useful capacity greatly by the auxiliary pump of low discharge, be conducive to reducing investment outlay and taking up an area.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
In figure, 1, tap water water inlet pipe, 2, strainer, 3, backflow preventer, 4, pressure detecting table, 5, non negative pressure controller, 6, steady flow compensator, 7, auto-pneumatic cylinder, 8, rill buret, 9, pressure detecting table two, 10, bypass pipe one, 11, flap valve one, 12, low discharge distribution pipe, 13, the auxiliary pump of low discharge, 14, electromagnetic valve, 15, flap valve two, 16, flap valve three, 17, bypass pipe two, 18, distribution main, 19, main pump, 20, outfall sewer, 21, flow detector, 22, pressure detecting table three, 23, cable, 24, switch board, 25, use water spot.
Detailed description of the invention
With regard to accompanying drawing 1, the tank-type pressure-superposed arranging the auxiliary pump of low discharge energy-conservation of the present invention is described in detail below below.
As shown in Figure 1, the energy-conservation tank-type pressure-superposed of the auxiliary pump of low discharge that arranges of the present invention is primarily of steady flow compensator 6, non negative pressure controller 5, auto-pneumatic cylinder 7, the auxiliary pump 13 of low discharge, electromagnetic valve 14, main pump 19, flow detector 21 and switch board 24 form, described steady flow compensator 6 is the airtight pressure bearing stored water receptacle of pot type, preferred horizontal type structure, steady flow compensator 6 top is equiped with non negative pressure controller 5 and pressure detecting table one 4, steady flow compensator 6 water inlet is connected in series with tap water water inlet pipe 1, and along water (flow) direction, strainer 2 and backflow preventer 3 are housed in turn on tap water water inlet pipe 1, steady flow compensator 6 water outlet is connected with main pump 19 by distribution main 18, main pump 19 water outlet is connected to outfall sewer 20, outfall sewer 20 is by after being connected with flow detector 21, water delivery is to supplying water with water spot 25 again, outfall sewer 20 is equiped with pressure detecting table three 22, walk around main pump 19, bypass pipe 2 17 is provided with between distribution main 18 and outfall sewer 20, and bypass pipe 2 17 is provided with flap valve 3 16, after the flap valve 3 16 of bypass pipe 2 17, be provided with rill buret 8 be connected with auto-pneumatic cylinder 7, and electromagnetic valve 14 is equiped with on rill buret 8, pressure detecting table two 9 is housed between electromagnetic valve 14 and auto-pneumatic cylinder 7, on rill buret 8, walk around electromagnetic valve 14 and pressure detecting table two 9 is also provided with bypass pipe 1, and on bypass pipe 1, be equiped with the auxiliary pump 13 of low discharge and flap valve 2 15, bypass pipe 1 before the auxiliary pump 13 of low discharge is also provided with low discharge distribution pipe 12 be connected with distribution main 18, and on low discharge distribution pipe 12, flap valve 1 is housed, make low discharge distribution pipe 12 and auto-pneumatic cylinder 7 all can be low discharge auxiliary pump 13 and water source is provided.The auxiliary pump 13 of described pressure detecting table one 4, non negative pressure controller 5, pressure detecting table two 9, low discharge, electromagnetic valve 14, main pump 19, flow detector 21 are connected with switch board 24 by cable 23 respectively with pressure detecting table three 22.
Described main pump 19 is 1 ~ 4 and is arranged in parallel, preferably 2 ~ 3; The auxiliary pump 13 of described low discharge arranges 1, and the flow of the auxiliary pump 13 of low discharge is selected according to main pump 19 flow 1/4 ~ 1/3, and the lift of the auxiliary pump 13 of low discharge is selected according to main pump 19 lift or lower than main pump 19 lift 5% ~ 25%.
Operating principle of the present invention is, non negative pressure controller 5 is for being directly connected in series to implement without negative pressure water distribution system flushing by steady flow compensator 6 with tap water water inlet pipe 1 by main pump 19, when the water-supply shortages of tap water water inlet pipe 1, water storage in steady flow compensator 6 supplement and water level starts to decline time, non negative pressure controller 5 fills into air by automatically opening and eliminates negative pressure, treat that tap water inflow is sufficient, and after detecting steady flow compensator 6 full water, non negative pressure controller 5 is automatically closed and is returned to and laminates water supply, namely ftercompction water supply is carried out to tap water water inlet pipe 1 pressure, during normal work, by main pump 19 frequency modulation water supply, main pump 19 is by bypass pipe 2 17 simultaneously, enough regulating pondages are laid in through rill buret 8 and electromagnetic valve 14 pairs of auto-pneumatic cylinders 7, electromagnetic valve 14 is opened, when the low discharge with water low peak period, when being detected that by flow detector 21 instantaneous delivery is lower than low discharge setting value, and when continuing 5s ~ 30s, system is by stopping main pump 19 and enter main pump 19 resting state, now pass through rill buret 8 by auto-pneumatic cylinder 7, electromagnetic valve 14 and bypass pipe 2 17 give small flow pressure maintaining to outfall sewer 20 and supply water, electromagnetic valve 14 is opened, along with the regulating pondage in auto-pneumatic cylinder 7 reduces, its pressure of supply water decreases, when pressure detecting table two 9 detects pressure of supply water lower than the minimum operating pressure value set, the auxiliary pump 13 of low discharge starts, electromagnetic valve 14 cuts out, the water outlet constant voltage value that now the auxiliary pump 13 of low discharge sets according to pressure detecting table three 22 carries out frequency modulation water supply, run the auxiliary pump 13 of low discharge than main pump 19 energy-saving and frequency-variable, and the water source of the auxiliary pump 13 of low discharge comes from auto-pneumatic cylinder 7 and low discharge distribution pipe 12, after treating low discharge, when the auxiliary pump 13 of operation low discharge can not meet the water supply requirement of water supply volume increase, system will automatically switch to main pump 19 frequency modulation water supply state, the auxiliary pump 13 of low discharge stops, so repeatedly, to reach energy-efficient effect,
In addition, in main pump 19 course of work, when the water-supply shortages of tap water water inlet pipe 1 and non negative pressure controller 5 detects below the water storage water level decreasing of steady flow compensator 6 to the current stabilization water level of setting time, system judges anhydrous, and main pump 19 stoppage protection is also reported to the police; When the sufficient and pressure detecting table one 4 of the output of tap water water inlet pipe 1 detect that steady flow compensator 6 pressure reaches setting minimum open more than pump pressure force value time, main pump 19 will automatically start and recover normal operating conditions;
Equally; in low discharge auxiliary pump 13 running; when pressure detecting table two 9 detects the intake pressure of the auxiliary pump 13 of low discharge lower than the water deprivation stress value set; system judges that the anhydrous and auxiliary pump 13 of low discharge is shut down and reports to the police; wait have water and pressure detecting table one 4 detect that steady flow compensator 6 pressure reaches setting minimum open more than pump pressure force value time, start main pump 19 and be restored to normal operating conditions.
Claims (5)
1. one kind arranges the energy-conservation tank-type pressure-superposed of the auxiliary pump of low discharge primarily of steady flow compensator, non negative pressure controller, auto-pneumatic cylinder, the auxiliary pump of low discharge, electromagnetic valve, main pump, flow detector and switch board composition, non negative pressure controller and pressure detecting table one is equiped with at steady flow compensator top, steady flow compensator water inlet is connected in series with tap water water inlet pipe, steady flow compensator water outlet is connected with main pump by distribution main, main pump water outlet is connected to outfall sewer, walk around main pump, bypass pipe two is provided with between distribution main and outfall sewer, and bypass pipe two is provided with flap valve three, it is characterized in that, after the flap valve three of bypass pipe two, be provided with rill buret be connected with auto-pneumatic cylinder, and electromagnetic valve is equiped with on rill buret, pressure detecting table two is housed between electromagnetic valve and auto-pneumatic cylinder, on rill buret, walk around electromagnetic valve and pressure detecting table two is also provided with bypass pipe one, and on bypass pipe one, be equiped with the auxiliary pump of low discharge and flap valve two, bypass pipe one before the auxiliary pump of low discharge is also provided with low discharge distribution pipe be connected with distribution main, and on low discharge distribution pipe, flap valve one is housed.
2. according to claim 1ly arrange the energy-conservation tank-type pressure-superposed of the auxiliary pump of low discharge, it is characterized in that, described steady flow compensator is the airtight pressure bearing stored water receptacle of pot type.
3. according to claim 1 the energy-conservation tank-type pressure-superposed of the auxiliary pump of low discharge is set, it is characterized in that, outfall sewer is equiped with pressure detecting table three.
4. according to claim 1ly arrange the energy-conservation tank-type pressure-superposed of the auxiliary pump of low discharge, it is characterized in that, described main pump is 1 ~ 4 and is arranged in parallel.
5. according to claim 1 the energy-conservation tank-type pressure-superposed of the auxiliary pump of low discharge is set, it is characterized in that, the auxiliary pump of described low discharge arranges 1, and the flow of the auxiliary pump of low discharge is selected according to main pump flow 1/4 ~ 1/3, the auxiliary pump lift of low discharge is selected according to main pump lift or lower than main pump lift 5% ~ 25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410582565.5A CN104846883A (en) | 2014-10-28 | 2014-10-28 | Pot-type pressure-superposed water supply device with small-flow auxiliary pump for energy saving |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410582565.5A CN104846883A (en) | 2014-10-28 | 2014-10-28 | Pot-type pressure-superposed water supply device with small-flow auxiliary pump for energy saving |
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| CN104846883A true CN104846883A (en) | 2015-08-19 |
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| CN201410582565.5A Pending CN104846883A (en) | 2014-10-28 | 2014-10-28 | Pot-type pressure-superposed water supply device with small-flow auxiliary pump for energy saving |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421531A (en) * | 2015-12-01 | 2016-03-23 | 江苏源江建设发展有限公司 | Water inlet device of pressure-superposed water supply pump station |
| CN106638792A (en) * | 2016-09-14 | 2017-05-10 | 厦门海源泵业有限公司 | Small-flow energy-saving controller for secondary water supply equipment and secondary water supply method |
| CN107366333A (en) * | 2017-08-24 | 2017-11-21 | 浙江南方智慧水务有限公司 | Continuous energy type pipe network Pressure-superposed water supply equipment |
| CN111999581A (en) * | 2020-08-14 | 2020-11-27 | 燕山大学 | Device and method for testing electromagnetic characteristics of small-flow electromagnetic switch valve |
-
2014
- 2014-10-28 CN CN201410582565.5A patent/CN104846883A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421531A (en) * | 2015-12-01 | 2016-03-23 | 江苏源江建设发展有限公司 | Water inlet device of pressure-superposed water supply pump station |
| CN106638792A (en) * | 2016-09-14 | 2017-05-10 | 厦门海源泵业有限公司 | Small-flow energy-saving controller for secondary water supply equipment and secondary water supply method |
| CN106638792B (en) * | 2016-09-14 | 2019-06-04 | 厦门海源泵业有限公司 | Small flow energy-saving controller and secondary water-supply method applied to secondary water-supply equipment |
| CN107366333A (en) * | 2017-08-24 | 2017-11-21 | 浙江南方智慧水务有限公司 | Continuous energy type pipe network Pressure-superposed water supply equipment |
| CN111999581A (en) * | 2020-08-14 | 2020-11-27 | 燕山大学 | Device and method for testing electromagnetic characteristics of small-flow electromagnetic switch valve |
| CN111999581B (en) * | 2020-08-14 | 2021-04-30 | 燕山大学 | Device and method for testing electromagnetic characteristics of small-flow electromagnetic switch valve |
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Application publication date: 20150819 |
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| WD01 | Invention patent application deemed withdrawn after publication |