CN200946293Y - Large-scale negative pressure-free water supply installation - Google Patents
Large-scale negative pressure-free water supply installation Download PDFInfo
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- CN200946293Y CN200946293Y CN 200620139142 CN200620139142U CN200946293Y CN 200946293 Y CN200946293 Y CN 200946293Y CN 200620139142 CN200620139142 CN 200620139142 CN 200620139142 U CN200620139142 U CN 200620139142U CN 200946293 Y CN200946293 Y CN 200946293Y
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- pipe
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- water supply
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Abstract
The utility model provides a large negative-pressure-free water supply device, which comprises a stable flow compensator, a vacuum suppressor, a pump, a control cabinet, a pipe filtering device, an electric valve and a pressure sensor. The city water transmission pipe net is connected with the inlet pipe and is connected with the stable flow compensator via the pipe filtering device. A water absorption mother pipe that is connected with the exit of the stable flow compensator is connected with the pump. The electric valve is arranged at the pump water outlet exit. The water intake pipe rounds the stable flow compensator and the pump by-pass pipe and is connected with the water outlet mother pipe. A back valve is arranged on the by-pass pipe to prevent backward water flow. The utility model provides a large negative-pressure-free water supply device that has the advantages of energy saving, flexible configuration, small space occupation and stable water supplying.
Description
1, technical field
The utility model relates to a kind of secondary pressurizing feedwater equipment, specifically a kind of large-scale no-negative-pressure water supply equipment.
2, background technology
Along with rolling up of expanding economy and urban population, city water-supply pipe network water supply area constantly increases, the water distribution pipeline line increases gradually, or the on-site physical features of feedwater object is higher, hypsography is bigger in the city, the water supply load of existing water factory can not satisfy the water requirement of peak, city, if when adopting raising water factory outlet pressure to guarantee that the hydraulic pressure of remote subscriber requires, will cause bigger energy consumption waste, and the ductwork pressure in contiguous water factory area is too high, the pipe leak rate increases, and therefore fragile sanitary apparatus is set up booster station and be very important in urban pipe network.And existing booster station great majority are reservoir (or clear water reserviors) pumping plant pressurization way of supplying water, be that water factory's inner water-supply pumping plant imports water away from water factory, in the clear water reserviors near pipe network origin or beginning place, again by force (forcing) pump with the water inlet pipe net, this pressuring method need drop into big fund, and clear water reserviors and the pumping plant floor space is big, long construction period, energy waste serious (because the original pressure of water transfer pipe network all is released to 0 after entering clear water reserviors), operational management complexity; And existing non-negative pressure water supply technology is used for day output mostly less than 5000m
3The secondary pressurizing feedwater place of/d.
3, utility model content
The purpose of the present utility model provides the complete large-scale no-negative-pressure water supply equipment of a kind of energy saving in running, small accommodation area, water supply security, control and monitoring function.
The technical scheme that its technical problem that solves the utility model adopts is: large-scale no-negative-pressure water supply equipment, be by steady flow compensator, vacuum suppresser, water pump, switch board, piping filter, motor operated valve, compositions such as pressure sensor, the city water transfer pipe network is connected with water inlet pipe, behind piping filter, link to each other with steady flow compensator, steady flow compensator is provided with one or more sets parallel connections according to the big I of flow system flow, every cover steady flow compensator is provided with vacuum suppresser and pressure sensor, and generation and stable flow of inlet water with switch board synergy realization inhibition city water transfer pipe network negative pressure, pressure etc., the female pipe of suction of steady flow compensator outlet butt joint is connected in series with water pump, water pump is provided with 3～5 parallel connections, can be the same model water pump, also can be big or small pump cooperates, every pump outlet is provided with motor operated valve, motor operated valve act as: the one, and the motor operated valve automatic slowly is opened after starting mode of pump reaches certain frequency, in case stopping valve when opening pump flow increase too fast, cause ductwork pressure too high and cause damage, in the time of also can reducing water pump simultaneously and drive valve and open soon to the impact of electrical network; The 2nd, change pump or termination of pumping before, system closes motor operated valve earlier, stop water pump again, adopt water hammer in the time of can preventing the stopping valve termination of pumping like this, outfall sewer is equiped with pressure sensor, flow meter, the turbidity detector, pH value detector and residual chlorine detecting instrument, vacuum system device, pressure sensor, water pump, flow meter, the turbidity detector, pH value detector and residual chlorine detecting instrument be the wiring switch board respectively, but the pressure sensor control of pump automatic frequency-conversion constant pressure water supply of outfall sewer, the flow meter feasible system is finished variable quantity and pressure control automatically according to the variation of water supply volume, the turbidity detector, pH value detector and residual chlorine detecting instrument are used to detect water supply quality, have guaranteed the water supply security and the hygienic requirements of system.Water inlet pipe is walked around steady flow compensator and is linked to each other with outfall sewer with water pump installing bypass pipe, and the flap valve that anti counter-flowing is used is set on bypass pipe, and the bypass pipe effect is, when intake pressure reaches the required pressure of outfall sewer, current directly supply water to outfall sewer through bypass pipe, and this moment, water pump did not start.
4, description of drawings
Accompanying drawing 1 is the process structure schematic diagram (preferred embodiment) of large-scale no-negative-pressure water supply equipment.
Among the figure, 1, water inlet pipe, 2, piping filter, 3, vacuum suppresser, 4, pressure sensor, 5, steady flow compensator, 6, the female pipe of suction, 7, water pump, 8, motor operated valve, 9, pressure sensor, 10, switch board, 11, bypass pipe, 12, flap valve, 13, flow meter, 14, the turbidity detector, 15, pH value detector, 16, residual chlorine detecting instrument, 17, outfall sewer.
5, the specific embodiment
Explain below doing with regard to 1 pair of large-scale no-negative-pressure water supply equipment of the present utility model of accompanying drawing below.
As shown in Figure 1, large-scale no-negative-pressure water supply equipment of the present utility model, be by steady flow compensator (5), vacuum suppresser (4), water pump (7), switch board (10), piping filter (2), motor operated valve (8), pressure sensor (4) compositions such as (9), the city water transfer pipe network is connected with water inlet pipe (1), behind piping filter (2), link to each other with steady flow compensator (5), it is in parallel that steady flow compensator (5) is provided with two covers, every cover steady flow compensator (5) is provided with vacuum suppresser (3) and pressure sensor (4), and generation and stable flow of inlet water with switch board (10) synergy realization inhibition city water transfer pipe network negative pressure, pressure etc., the female pipe of suction (6) of steady flow compensator (5) outlet butt joint is connected in series with water pump (7), water pump is provided with 5 parallel connections, every water pump (7) delivery port is provided with motor operated valve (8), and motor operated valve (8) automatic slowly after water pump (7) startup reaches certain frequency is opened; Before changing pump or termination of pumping, system closes motor operated valve (8) earlier, stop water pump (7) again, outfall sewer (17) is equiped with pressure sensor (9), flow meter (13), turbidity detector (14), pH value detector (15) and residual chlorine detecting instrument (16), vacuum system device (3), pressure sensor (4) (9), water pump (7), flow meter (13), turbidity detector (14), pH value detector (15) and residual chlorine detecting instrument (16) be wiring switch board (10) respectively, water inlet pipe (1) is walked around steady flow compensator (5) and is linked to each other with outfall sewer (17) with water pump (7) installing bypass pipe (11), and the flap valve (12) that anti counter-flowing is used is set on bypass pipe (11), bypass pipe (11) effect is, when intake pressure reaches the required pressure of outfall sewer (17), current directly supply water to outfall sewer (17) through bypass pipe (11), and water pump this moment (7) does not start.
Large-scale no-negative-pressure water supply equipment of the present utility model has following several advantage:
1, the equipment water inlet pipe directly is connected in series the realization non-negative pressure method of water supply with the city water transfer pipe network, need not build clear water reserviors, advantage such as floor space is little so equipment has, reduced investment, easy for installation, short construction period.
2, equipment can make full use of city water transfer pipe network pressure, and can realize the variable constant voltage or the variable quantity and pressure control of water pump, good energy-conserving effect.
3, equipment can be provided with one or more sets steady flow compensator parallel connections according to the size of flow system flow, and water pump can be provided with 3～5 same model water pumps according to the variation of water supply volume or adopt big or small pump to cooperate, and is so system configuration is flexible, applied widely.
4, pump outlet is provided with motor operated valve, can realize that the full-automatic ground safety of water pump opens pump and termination of pumping, so system water supply is reliable and stable.
5, be provided with turbidity detector, pH value detector and residual chlorine detecting instrument etc. in the system, guaranteed the water supply security and the hygienic quality of system.
In the preferred embodiment of large-scale no-negative-pressure water supply equipment of the present utility model, steady flow compensator, vacuum suppresser are the non-negative pressure method of water supply product, and water pump, piping filter, motor operated valve, pressure sensor, switch board, flow meter, turbidity detector, pH value detector, residual chlorine detecting instrument are the electronic product of prior art.
Except that the described technical characterictic of manual, be those skilled in the art's known technology.
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 (4)
1, large-scale no-negative-pressure water supply equipment, form by steady flow compensator, vacuum suppresser, water pump, switch board, piping filter, motor operated valve, pressure sensor etc., it is characterized in that: the city water transfer pipe network is connected with water inlet pipe, behind piping filter, link to each other with steady flow compensator, the female pipe of suction of steady flow compensator outlet butt joint is connected in series with water pump, and pump outlet is provided with motor operated valve.
2, large-scale no-negative-pressure water supply equipment according to claim 1 is characterized in that: steady flow compensator is provided with one or more sets parallel connections according to the big I of flow system flow.
3, large-scale no-negative-pressure water supply equipment according to claim 1 is characterized in that: water pump is provided with 3～5 parallel connections, can be the same model water pump, also can be big or small pump and cooperates.
4, large-scale no-negative-pressure water supply equipment according to claim 1 is characterized in that: water inlet pipe is walked around steady flow compensator and is linked to each other with outfall sewer with water pump installing bypass pipe, and the flap valve that anti counter-flowing is used is set on bypass pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620139142 CN200946293Y (en) | 2006-09-08 | 2006-09-08 | Large-scale negative pressure-free water supply installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620139142 CN200946293Y (en) | 2006-09-08 | 2006-09-08 | Large-scale negative pressure-free water supply installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200946293Y true CN200946293Y (en) | 2007-09-12 |
Family
ID=38733353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620139142 Expired - Fee Related CN200946293Y (en) | 2006-09-08 | 2006-09-08 | Large-scale negative pressure-free water supply installation |
Country Status (1)
| Country | Link |
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| CN (1) | CN200946293Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454188A (en) * | 2010-10-17 | 2012-05-16 | 青岛三利中德美水设备有限公司 | Dual-constant pressure non-negative pressure feed water equipment |
| CN104153426A (en) * | 2014-08-19 | 2014-11-19 | 安徽金科橡塑制品有限公司 | Energy-saving water supply system |
| CN104250988A (en) * | 2013-06-26 | 2014-12-31 | 信义节能玻璃（芜湖）有限公司 | Non-negative-pressure water supply system with multiple flow stabilization tanks |
| CN105350600A (en) * | 2015-10-30 | 2016-02-24 | 杭州美安物联科技有限公司 | Secondary water supply control system |
-
2006
- 2006-09-08 CN CN 200620139142 patent/CN200946293Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454188A (en) * | 2010-10-17 | 2012-05-16 | 青岛三利中德美水设备有限公司 | Dual-constant pressure non-negative pressure feed water equipment |
| CN104250988A (en) * | 2013-06-26 | 2014-12-31 | 信义节能玻璃（芜湖）有限公司 | Non-negative-pressure water supply system with multiple flow stabilization tanks |
| CN104250988B (en) * | 2013-06-26 | 2016-03-30 | 信义节能玻璃（芜湖）有限公司 | Many steady-flow tanks non-negative pressure water service system |
| CN104153426A (en) * | 2014-08-19 | 2014-11-19 | 安徽金科橡塑制品有限公司 | Energy-saving water supply system |
| CN105350600A (en) * | 2015-10-30 | 2016-02-24 | 杭州美安物联科技有限公司 | Secondary water supply control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070912 |