CN104746550A - Pipe network pressure-superposed viable-frequency water supply device - Google Patents
Pipe network pressure-superposed viable-frequency water supply device Download PDFInfo
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- CN104746550A CN104746550A CN201310736228.2A CN201310736228A CN104746550A CN 104746550 A CN104746550 A CN 104746550A CN 201310736228 A CN201310736228 A CN 201310736228A CN 104746550 A CN104746550 A CN 104746550A
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Abstract
The invention discloses a pipe network pressure-superposed viable-frequency water supply device which mainly consists of a filter, a backflow preventer, a negative pressure eliminator, a flow stabilization tank, an ultraviolet sterilizer, water pumps, a flow meter and a control cabinet. A water level controller is arranged in the flow stabilization tank and used for detecting the water level in the flow stabilization tank, a liquid control opening matched with the water level controller is formed in the bottom of the flow stabilization tank and used for wiring, and the control cabinet is used for detecting the water level of the flow stabilization tank, the pressure of a water suction header pipe, the pressure of a water outlet header pipe and water using amount, meanwhile controlling the negative pressure eliminator to perform appropriate action and controlling automatic start and stop, frequency conversion, switching and number increase or decrease of the water pumps. The pipe network pressure-superposed viable-frequency water supply device has the advantages of being simple in structure, complete in protection functions, stable and reliable in performance, high in supplied water quality, safe and hygienic and the like, being small in occupied area and low in cost by adopting an installing and maintenance scheme, being capable of utilizing the pressure of a tap water pipe to achieve energy-saving effect and therefore having high practical value and social and economic benefits in secondary water supply application.
Description
Technical field
The present invention relates to secondary water-supply technical field, specifically a kind of pipe network laminated press frequency conversion supply equipment.
Background technology
More and more along with highrise building, secondary water-supply also day by generally.First tap water is normally put and is stored to pond or water tank by secondary water-supply, then the mode of pressurization of being fetched water by water pump.Secondary water-supply is provided with the effect of pond or water tank: one is amount of the reserve water, and two is avoid water pump to be directly connected in series to supply water on the impact of cities and towns tap water pipe network generation negative pressure.But because pond, water tank volume are large, installation and maintenance are inconvenient, and take up an area the problems such as large, high, the easy generation water pollution of energy consumption and be not well solved all the time.Therefore on market there is a kind of water distribution system flushing mode cancelled reservoirs and tanks, adopt water pump to be directly connected in series in recent years, this way of supplying water is primarily of compositions such as steady flow compensator, vacuum suppresser, water pumps, but because its structure is comparatively complicated, expensive, and go wrong and must be overhauled by producer, so that incur loss through delay emergency repair time, thus fail to be used widely and popularization.
Summary of the invention
The object of the present invention is to provide that a kind of structure is simple, management maintenance is convenient, working stability is reliable and the pipe network laminated press frequency conversion supply equipment of good energy-conserving effect.
The technical solution adopted for the present invention to solve the technical problems is: pipe network laminated press frequency conversion supply equipment is primarily of strainer, backflow preventer, negative pressure canceller, steady-flow tank, ultraviolet ray disinfector, water pump, flow meter and switch board composition, steady-flow tank water inlet is connected with tap water water inlet pipe, tap water water inlet pipe is provided with strainer, backflow preventer is equiped with after strainer, negative pressure canceller is installed on steady-flow tank, non-negative pressure method of water supply is realized for coordinating steady-flow tank, steady-flow tank is also provided with vacuum table, water level controller is provided with in steady-flow tank, for detecting the water level in steady-flow tank, hydrous water level controller is arranged on bottom steady-flow tank and is provided with hydraulic control mouth for wiring, conveniently inspection and maintenance, is also provided with drain valve in the bottom of steady-flow tank, steady-flow tank water outlet passes through water suction house steward water pump to outfall sewer, water suction house steward is equiped with pressure detecting table and ultraviolet ray disinfector, and outfall sewer is provided with air pressure tank and pressure detecting table, between water suction house steward and outfall sewer, walk around water pump and be provided with bypass pipe, bypass pipe is provided with one way valve, and outfall sewer connects user's pipe network to using water spot supply, negative pressure canceller through flow meter, water level controller, the pressure detecting table of water suction house steward, ultraviolet ray disinfector, water pump, the pressure detecting table of outfall sewer and flow meter are connected to switch board by cable respectively, and described switch board is for detecting steady-flow tank water level, water suction manifold pressure, outfall sewer pressure and use discharge, control the in good time action of negative pressure canceller simultaneously, and control water pump automatic start-stop, frequency conversion, switch and number of units increase and decrease, described water pump is 2 ~ 4 parallel connections, and all can implement frequency conversion and unvarying pressure control, described flow meter is for detecting the use discharge of supply mains, and described air pressure tank is for eliminating water hammer and regulating output when low discharge is shut down energy-conservation.
Operating principle of the present invention is, first tap water enters steady-flow tank through tap water water inlet pipe, air in steady-flow tank is discharged by negative pressure canceller, be full of after water until steady-flow tank, negative pressure canceller is closed automatically, steady-flow tank is made to be in totally-enclosed barotropic state, water pump absorb water manifold pressure higher than setting open pump pressure time automatic startup optimization carry out constant pressure water supply according to the discharge pressure of outfall sewer setting, when the manifold pressure that absorbs water is higher than the discharge pressure set, water pump is shut down and is carried out resting state, is now supplied water to water spot by bypass pipe; When water level decreasing in steady-flow tank; negative pressure canceller is automatically opened and is filled into air; to destroy the vacuum in steady-flow tank; eliminate negative pressure; now steady-flow tank plays and regulates the effect of inflow, when water level controller detects the lowest water level of the water level in steady-flow tank lower than setting, and water pump stoppage protection; in steady-flow tank water level rise to full water and negative pressure canceller close and water suction manifold pressure higher than setting open pump pressure time, water pump restarts and returns to normal water supply state.
The invention has the beneficial effects as follows; the advantages such as the present invention has that structure is simple, defencive function is complete, stable and reliable for performance, water supply quality safety and sanitation; and installation and maintenance scheme; take up an area little; cost is low; and tap water water inlet pipe pressure can be utilized to reach energy-saving effect, thus in secondary water-supply, application will have good practical value and economic results in society.
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, vacuum table, 5, negative pressure canceller, 6, water level controller, 7, steady-flow tank, 8, drain valve, 9, water suction house steward, 10, hydraulic control mouth, 11, pressure detecting table, 12, ultraviolet ray disinfector, 13, water pump, 14, bypass pipe, 15, one way valve, 16, outfall sewer, 17, flow meter, 18, air pressure tank, 19, pressure detecting table, 20, cable, 21, switch board, 22, use water spot.
Detailed description of the invention
With regard to accompanying drawing 1, pipe network laminated press frequency conversion supply equipment of the present invention is described in detail below below.
As shown in Figure 1, pipe network laminated press frequency conversion supply equipment of the present invention is primarily of strainer 2, backflow preventer 3, negative pressure canceller 5, steady-flow tank 7, ultraviolet ray disinfector 12, water pump 13, flow meter 17 and switch board 21 form, steady-flow tank 7 water inlet is connected with tap water water inlet pipe 1, tap water water inlet pipe 1 is provided with strainer 2, backflow preventer 3 is equiped with after strainer 2, negative pressure canceller 5 is installed on steady-flow tank 7, non-negative pressure method of water supply is realized for coordinating steady-flow tank 7, steady-flow tank 7 is also provided with vacuum table 4, water level controller 6 is provided with in steady-flow tank 7, for detecting the water level in steady-flow tank 7, hydrous water level controller 6 is arranged on bottom steady-flow tank 7 and is provided with hydraulic control mouth 10 for wiring, conveniently inspection and maintenance, drain valve 8 is also provided with in the bottom of steady-flow tank 7, steady-flow tank 7 water outlet arrives outfall sewer 16 by water suction house steward 9 water pump 13, water suction house steward 9 is equiped with pressure detecting table 11 and ultraviolet ray disinfector 12, outfall sewer 16 is provided with air pressure tank 18 and pressure detecting table 19, between water suction house steward 9 and outfall sewer 16, walk around water pump 13 and be provided with bypass pipe 14, bypass pipe 14 is provided with one way valve 15, outfall sewer 16 connects user's pipe network through flow meter 17 and supplies to water spot 22, negative pressure canceller 5, water level controller 6, the pressure detecting table 11 of water suction house steward 9, ultraviolet ray disinfector 12, water pump 13, pressure detecting table 19 and the flow meter 17 of outfall sewer 16 are connected to switch board 21 by cable 20 respectively, described switch board 21 is for detecting the water level of steady-flow tank 7, the pressure of water suction house steward 9, pressure and the use discharge of outfall sewer 16, control negative pressure canceller 5 action in good time simultaneously, and control water pump 13 automatic start-stop, frequency conversion, switch and number of units increase and decrease, described water pump 13 is 2 ~ 4 parallel connections, and all can implement frequency conversion and unvarying pressure control, described flow meter 17 is for detecting the use discharge of supply mains 16, described air pressure tank 18 is for eliminating water hammer and regulating output when low discharge is shut down energy-conservation.
Operating principle of the present invention is, first tap water enters steady-flow tank 7 through tap water water inlet pipe 1, air in steady-flow tank 7 is discharged by negative pressure canceller 5, after steady-flow tank 7 is full of water, negative pressure canceller 5 is closed automatically, steady-flow tank 7 is made to be in totally-enclosed barotropic state, water pump 13 the house steward 9 that absorbs water pressure higher than setting open pump pressure time automatic startup optimization, and carry out constant pressure water supply according to the discharge pressure that outfall sewer 16 sets, when the pressure of the house steward 9 that absorbs water is higher than the discharge pressure set, water pump 13 is shut down and is carried out resting state, now supplied water to water spot 22 by bypass pipe 14, when water level decreasing in steady-flow tank 7, negative pressure canceller 5 is automatically opened and is filled into air, to destroy the vacuum in steady-flow tank 7, eliminate negative pressure, now steady-flow tank 7 plays the effect regulating inflow, when water level controller 6 detects lowest water level lower than setting of water level in steady-flow tank 7, water pump 13 stoppage protection, water level in steady-flow tank 7 rise to full water and negative pressure canceller 5 close and the pressure of the house steward 9 that absorbs water higher than setting open pump pressure time, water pump 13 restarts and returns to normal water supply state.
Claims (5)
1. a pipe network laminated press frequency conversion supply equipment is primarily of strainer, backflow preventer, negative pressure canceller, steady-flow tank, ultraviolet ray disinfector, water pump, flow meter and switch board composition, steady-flow tank water inlet is connected with tap water water inlet pipe, tap water water inlet pipe is provided with strainer, backflow preventer is equiped with after strainer, negative pressure canceller is installed on steady-flow tank, it is characterized in that, water level controller is provided with in steady-flow tank, hydrous water level controller is arranged on bottom steady-flow tank and is provided with hydraulic control mouth for wiring, steady-flow tank water outlet passes through water suction house steward water pump to outfall sewer, water suction house steward is equiped with pressure detecting table and ultraviolet ray disinfector, outfall sewer is provided with air pressure tank and pressure detecting table, outfall sewer connects user's pipe network through flow meter and supplies to water spot.
2. pipe network laminated press frequency conversion supply equipment according to claim 1, it is characterized in that, pressure detecting table and the flow meter of the pressure detecting table of negative pressure canceller, water level controller, water suction house steward, ultraviolet ray disinfector, water pump, outfall sewer are connected to switch board by cable respectively.
3. pipe network laminated press frequency conversion supply equipment according to claim 1, is characterized in that, steady-flow tank is also provided with vacuum table.
4. pipe network laminated press frequency conversion supply equipment according to claim 1, is characterized in that, is also provided with drain valve in the bottom of steady-flow tank.
5. pipe network laminated press frequency conversion supply equipment according to claim 1, is characterized in that, between water suction house steward and outfall sewer, walk around water pump and be provided with bypass pipe, bypass pipe is provided with one way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310736228.2A CN104746550A (en) | 2013-12-29 | 2013-12-29 | Pipe network pressure-superposed viable-frequency water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310736228.2A CN104746550A (en) | 2013-12-29 | 2013-12-29 | Pipe network pressure-superposed viable-frequency water supply device |
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| Publication Number | Publication Date |
|---|---|
| CN104746550A true CN104746550A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310736228.2A Pending CN104746550A (en) | 2013-12-29 | 2013-12-29 | Pipe network pressure-superposed viable-frequency water supply device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2013
- 2013-12-29 CN CN201310736228.2A patent/CN104746550A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150701 |