CN201730148U - Pressure-variable non-negative pressure water supply equipment - Google Patents
Pressure-variable non-negative pressure water supply equipment Download PDFInfo
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- CN201730148U CN201730148U CN2010202388362U CN201020238836U CN201730148U CN 201730148 U CN201730148 U CN 201730148U CN 2010202388362 U CN2010202388362 U CN 2010202388362U CN 201020238836 U CN201020238836 U CN 201020238836U CN 201730148 U CN201730148 U CN 201730148U
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Abstract
Pressure-variable non-negative pressure water supply equipment provided in the utility model consists of a current stabilizing compensator, a vacuum suppressor, a filter, a water pump, an outlet pressure sensor, a flow meter, a human-computer interface and a control cabinet, wherein the vacuum suppressor is installed on the current stabilizing compensator; the water pump is connected with the current stabilizing compensator; a water outlet main pipe is provided with an overpressure protection device and the outlet pressure sensor and added with the flow meter to detect the flow rate of outlet water; and the vacuum suppressor, a pressure test gauge, the water pump, the overpressure protection device, the outlet pressure sensor and the flow meter are respectively connected to the control cabinet; and the control cabinet is connected with the human-computer interface. The pressure-variable non-negative pressure water supply equipment adopts the flow rate of outlet water to control the set pressure at a water outlet so that the set pressure changes along with the flow rate of the outlet water, runs consistently in a curve manner according to the characteristic of a pipeline and meet the working pressure least needing water points, so as to realize water supply of variable quantity and variable pressure, solves the waste of pressure and water quantity existing in constant pressure water supply when the flow rate of outlet water reduces, and achieve the best energy-saving effect.
Description
Technical field
The utility model relates to a kind of secondary water-supply equipment, specifically a kind of pressure swing type no-negative-pressure water supply equipment that directly is connected in series with pipe network.
Background technology
The no-negative-pressure water supply equipment great majority of prior art are to adopt constant pressure type control, the pressure of supply water of equipment does not change with the variation of flow, and remain in the scope of setting pressure permission fluctuation, and setting pressure to be pressure of supply water during by the maximum water supply volume that satisfies under the most unfavorable processing condition determine, and with the device service scope in water supply height, pipeline head loss and determine with the water spot operating pressure, when water supply volume reduces, the pipeline head loss is also corresponding to be reduced, but equipment is still by the setting pressure operation, it is unnecessary a part to occur, invalid pressure, cause with the operating pressure of water spot higher, not only cause because of superpressure goes out stream and waste the water yield, but also exist unnecessary, the waste of invalid lift is particularly at low discharge or more unobvious during water.
The utility model content
For overcoming the deficiencies in the prior art, the utility model provides a kind of automaticity height, energy saving in running, easy to operate pressure swing type no-negative-pressure water supply equipment.
The technical scheme that its technical problem that solves the utility model adopts is: the pressure swing type no-negative-pressure water supply equipment is by steady flow compensator; vacuum suppresser; strainer; water pump; outlet pressure sensor; flow meter; man-machine interface and switch board are formed; steady flow compensator directly is connected in series with water inlet pipe; and be provided with vacuum table successively at the steady flow compensator front end of water inlet pipe upper edge water (flow) direction; strainer and backflow preventer; vacuum suppresser is installed on the steady flow compensator; and on steady flow compensator installing pressure detecting table; the steady flow compensator bottom is provided with draining valve; water pump is connected with steady flow compensator; and on pumping line, be provided with flap valve and valve; walk around water pump and be provided with bypass pipe; installing flap valve and valve on bypass pipe; and being provided with low discharge pressurize pipe after the flap valve on bypass pipe is connected with steady flow compensator; pumping line and bypass pipe respectively pick out the supply mains; on outfall sewer, be provided with overpressure protection apparatus and outlet pressure sensor; and on outfall sewer, install flow meter additional; to detect discharge; vacuum suppresser; the pressure detecting table; water pump; overpressure protection apparatus; outlet pressure sensor and flow meter are wired to switch board respectively, and switch board is connected with man-machine interface.
Steady flow compensator and vacuum suppresser mating reaction do not produce negative pressure to water inlet pipe when supplying water with the realization water pump.
The purpose that backflow preventer is set is to pollute the water quality of water inlet pipe in order to prevent pipe network water from flowing backwards.
Adopt flow meter to detect discharge, and water flow is transferred to switch board, move by predefined match pipeline characteristic curve by the switch board control of pump again, the setting pressure of outlet pressure sensor capable of automatic changing when water flow changes, setting pressure is changed according to pipeline characteristic curve, reach the Energy Saving Control of variable quantity and pressure, saved the unnecessary lift of changes in flow rate the pipeline head loss.
Switch board adopts man-machine interface to show and operation, makes operation become simple lively, can reduce operate miss, and have functions such as switch, indicator lamp demonstration, data demonstration, the generation of various dynamic chart, data input, abnormal alarm, static demonstration.
During operation, when inflow during less than water yield, steady flow compensator cooperates vacuum suppresser to suppress the formation of negative pressure at the totally-enclosed state, and makes the pressure in the steady flow compensator be not less than a certain setting value all the time, thereby has protected the pressure of water inlet pipe to maintain all the time on the lowest service pressure; Simultaneously, the deposit water in the steady flow compensator will in time replenish, with regulating pondage; When inflow during greater than water yield, steady flow compensator and vacuum suppresser are under the situation of eliminating the instantaneous negative pressure that produces because of water pump water supply, compare by the setting pressure of water pump water inlet pipe pressure and outlet pressure sensor, the setting pressure of outlet pressure sensor then is to change according to predefined match pipeline characteristic curve according to the water flow that flow meter detects, when water flow is big, setting pressure is just high, otherwise setting pressure is just low; When water inlet pipe pressure during, water pump autostop, and supply water by bypass pipe more than or equal to the setup pressure value of water flow correspondence; When at low discharge or not during water, water pump will enter resting state automatically, and water pump is shut down, and then supplied water by low discharge pressurize pipe this moment, reaches energy-conservation better.
In running, when the fault because of water pump, outlet pressure sensor, flow meter, switch board makes the pressure of outfall sewer out of control, and when exceeding the hyperpressure of setting; the overpressure protection apparatus action; the water pump termination of pumping is not damaged with the protection pipe network and with the utensil of water spot, guarantees safety.
The beneficial effects of the utility model are, adopt the setting pressure of water flow control delivery port, setting pressure is changed with water flow to be changed, and move according to pipeline characteristic curve all the time, satisfy the operating pressure of least using water spot, realizing that variable quantity and pressure supplies water, the pressure when having solved water flow that constant pressure water supply exists and reducing, the waste of the water yield make the energy-saving effect that has reached best; Adopt steady flow compensator and vacuum suppresser to realize directly being connected in series water supply with water inlet pipe, and water inlet pipe do not produced negative pressure, polluted water not, can make full use of original pressure of water inlet pipe again, and be provided with low discharge or dry shutdown dormancy, avoid the power consumption operation of water pump, make energy-conservation the biglyyest in poor efficiency; Switch board adopts man-machine interface to show and operation, makes operation become simple lively, and can show dynamic menu in real time, has promoted intelligentized operant level better.
Description of drawings
Accompanying drawing 1 is a process structure schematic diagram of the present utility model.
Among the figure, 1, steady flow compensator, 2, vacuum suppresser, 3, water inlet pipe; 4, vacuum table, 5, strainer, 6, backflow preventer, 7, the pressure detecting table; 8, draining valve, 9, low discharge pressurize pipe, 10, bypass pipe, 11, flap valve; 12, valve, 13, water pump, 14, pumping line, 15, flap valve; 16, valve, 17, outfall sewer, 18, overpressure protection apparatus, 19, outlet pressure sensor; 20, flow meter, 21, switch board, 22, man-machine interface, 23, use water spot.
The specific embodiment
Explain below doing with regard to 1 pair of pressure swing type no-negative-pressure water supply equipment of the present utility model of accompanying drawing below.
As shown in Figure 1; pressure swing type no-negative-pressure water supply equipment of the present utility model is by steady flow compensator (1); vacuum suppresser (2); strainer (5); water pump (13); outlet pressure sensor (19); flow meter (20); man-machine interface (22) and switch board (21) are formed; steady flow compensator (1) directly is connected in series with water inlet pipe (3); and be provided with vacuum table (4) successively at steady flow compensator (1) front end of water inlet pipe (3) upper edge water (flow) direction; strainer (5) and backflow preventer (6); vacuum suppresser (2) is installed on the steady flow compensator (1); and at the last installing of steady flow compensator (1) pressure detecting table (7); steady flow compensator (1) bottom is provided with draining valve (8); water pump (13) is connected with steady flow compensator (1); and on pumping line (14), be provided with flap valve (15) and valve (16); walk around water pump (13) and be provided with bypass pipe (10); go up installing flap valve (11) and valve (12) at bypass pipe (10); and the flap valve (11) on bypass pipe (10) is provided with low discharge pressurize pipe (9) afterwards and is connected with steady flow compensator (1); pumping line (14) and bypass pipe (10) respectively pick out supply mains (17); on outfall sewer (17), be provided with overpressure protection apparatus (18) and outlet pressure sensor (19); and on outfall sewer (17), install flow meter (20) additional; to detect discharge; vacuum suppresser (2); pressure detecting table (7); water pump (13); overpressure protection apparatus (18); outlet pressure sensor (19) and flow meter (20) are wired to switch board (21) respectively, and switch board (21) is connected with man-machine interface (22).
Steady flow compensator (1) and vacuum suppresser (2) mating reaction do not produce negative pressure to water inlet pipe (3) when supplying water with realization water pump (13).
Adopt flow meter (20) to detect discharge, and water flow is transferred to switch board (21), move by predefined match pipeline characteristic curve by switch board (21) control of pump (13) again, the setting pressure of outlet pressure sensor capable of automatic changing (19) when water flow changes, setting pressure is changed according to pipeline characteristic curve, reach the Energy Saving Control of variable quantity and pressure, saved the unnecessary lift of changes in flow rate the pipeline head loss.
During operation, when inflow during less than water yield, steady flow compensator (1) cooperates vacuum suppresser (2) to suppress the formation of negative pressure at the totally-enclosed state, and make the pressure in the steady flow compensator (1) be not less than a certain setting value all the time, thereby protected the pressure of water inlet pipe (3) to maintain all the time on the lowest service pressure; Simultaneously, the deposit water in the steady flow compensator (1) will in time replenish, with regulating pondage; When inflow during greater than water yield, steady flow compensator (1) and vacuum suppresser (2) are under the situation of eliminating the instantaneous negative pressure that produces because of water pump (13) water supply, compare by the setting pressure of water pump (13) water inlet pipe (3) pressure and outlet pressure sensor (19), the setting pressure of outlet pressure sensor (19) then is to change according to predefined match pipeline characteristic curve according to the water flow that flow meter (20) detects, when water flow is big, setting pressure is just high, otherwise setting pressure is just low; When water inlet pipe (3) pressure during, water pump (13) autostop, and supply water by bypass pipe (10) more than or equal to the setup pressure value of water flow correspondence; When at low discharge or not during water, water pump (13) will enter resting state automatically, and water pump (13) is shut down, and then supplied water by low discharge pressurize pipe (9) this moment, reaches energy-conservation better.
In running; when the fault because of water pump (13), outlet pressure sensor (19), flow meter (20), switch board (21) makes the pressure of outfall sewer (17) out of control; and when exceeding the hyperpressure of setting; overpressure protection apparatus (18) action; water pump (13) termination of pumping; be not damaged with the protection pipe network and with the utensil of water spot (23), guarantee safety.
Institute it should be noted that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, the technical solution of the utility model is made amendment or is equal to replacement, and do not break away from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (3)
1. the pressure swing type no-negative-pressure water supply equipment is by steady flow compensator, vacuum suppresser, strainer, water pump, outlet pressure sensor, flow meter, man-machine interface and switch board are formed, it is characterized in that: steady flow compensator directly is connected in series with water inlet pipe, and be provided with vacuum table successively at the steady flow compensator front end of water inlet pipe upper edge water (flow) direction, strainer and backflow preventer, vacuum suppresser is installed on the steady flow compensator, and on steady flow compensator installing pressure detecting table, the steady flow compensator bottom is provided with draining valve, water pump is connected with steady flow compensator, and on pumping line, be provided with flap valve and valve, walk around water pump and be provided with bypass pipe, installing flap valve and valve on bypass pipe, and be provided with low discharge pressurize pipe after the flap valve on bypass pipe and be connected with steady flow compensator.
2. pressure swing type no-negative-pressure water supply equipment according to claim 1 is characterized in that: pumping line and bypass pipe respectively pick out the supply mains, are provided with overpressure protection apparatus and outlet pressure sensor on outfall sewer, and install flow meter on outfall sewer additional.
3. pressure swing type no-negative-pressure water supply equipment according to claim 1 is characterized in that: vacuum suppresser, pressure detecting table, water pump, overpressure protection apparatus, outlet pressure sensor and flow meter are wired to switch board respectively, and switch board is connected with man-machine interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202388362U CN201730148U (en) | 2010-06-19 | 2010-06-19 | Pressure-variable non-negative pressure water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202388362U CN201730148U (en) | 2010-06-19 | 2010-06-19 | Pressure-variable non-negative pressure water supply equipment |
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| Publication Number | Publication Date |
|---|---|
| CN201730148U true CN201730148U (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202388362U Expired - Fee Related CN201730148U (en) | 2010-06-19 | 2010-06-19 | Pressure-variable non-negative pressure water supply equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457254A (en) * | 2020-05-22 | 2020-07-28 | 孔庆珍 | Data collection and detection system based on big data intelligent urban water supply |
-
2010
- 2010-06-19 CN CN2010202388362U patent/CN201730148U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457254A (en) * | 2020-05-22 | 2020-07-28 | 孔庆珍 | Data collection and detection system based on big data intelligent urban water supply |
| CN111457254B (en) * | 2020-05-22 | 2021-08-20 | 厦门海源泵业有限公司 | Data collection and detection system based on big data intelligent urban water supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QINGDAO SANLI ZHONGDEMEI WATER EQUIPMENT CO., LTD. Free format text: FORMER OWNER: ZHANG MINGLIANG Effective date: 20150116 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150116 Address after: Hong Tan Street of Chengyang District of Shandong city in Qingdao province 266111 spine Industrial Road northbound No. 2 Patentee after: Qingdao Sanli Zhongdemei Water Equipment Co., Ltd. Address before: 266111 Shandong city of Qingdao Province Green Industrial Park of Chengyang District, Qingdao Sanli Group Co., Ltd. Patentee before: Zhang Mingliang |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20170619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |