CN203821490U - Non-negative pressure water supply equipment - Google Patents
Non-negative pressure water supply equipment Download PDFInfo
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- CN203821490U CN203821490U CN201420063481.6U CN201420063481U CN203821490U CN 203821490 U CN203821490 U CN 203821490U CN 201420063481 U CN201420063481 U CN 201420063481U CN 203821490 U CN203821490 U CN 203821490U
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- water
- negative pressure
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- valve
- tank
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Abstract
The utility model provides non-negative pressure water supply equipment, which comprises a non-negative pressure flow stabilization tank, a control cabinet, a water inlet pipe, a water outlet pipe, a plurality of water pumps and a pressure stabilizing tank, wherein the non-negative pressure flow stabilization tank is connected with a water inlet, a pipe network pressure detection device, a filter and a reverse flow preventer are sequentially arranged between the water inlet and the non-negative pressure flow stabilization tank, the water inlet end of the non-negative pressure flow stabilization tank is provided with a vacuum inhibiter, an equipment hanging lug and a liquid level sensor used for measuring the water level, and a water outlet, a support frame, a cleaning drain valve and a ventilation opening are arranged at the water outlet end of the non-negative pressure flow stabilization tank. The variable-frequency speed-regulation non-negative pressure water supply equipment has the advantages that the non-negative pressure flow stabilization tank is used for replacing traditional water tanks and water pools, the building investment is reduced, the secondary pollution on drinking water is avoided, and sanitation and environment protection are realized. Meanwhile, negative pressure cannot be generated on a municipal tap water pipe network, the original pressure of the municipal tap water pipe network is utilized to the maximum degree, the efficiency is high, and the energy is saved, and water can still be supplied in a power failure period of a pump room.
Description
Technical field
The utility model relates to second pressure water supply field, is specifically related to a kind of non-negative pressure water-supply installation.
Background technology
Traditional second pressure water supply mode, is in the tap water of city planting ductwork is introduced the pond or water tank pump house, supplies water to user via force (forcing) pump, and the hydraulic pressure on former city planting ductwork is wasted completely.If fetched water and water pump is directly connected on city planting ductwork, can make again pipe network produce negative pressure, affect other user's waters of periphery.
Although people are by variable-frequency control technique, according to the minimizing of user's water supply volume or increase, pump speed control moves, but does not utilize the pressure on former city planting ductwork, consumes energy larger.Build water tank, pond is long in time limit, cost is high, floor space is large, reservoir fouling, scale removal clean, secondary pollution, unhygienic, not environmental protection.Pump house customer interrupted does not have water.
Utility model content
The purpose of this utility model is for the above-mentioned problems in the prior art, and the frequency control non-negative pressure water-supply installation of a kind of intelligent operation, energy-efficient, hygienic environment-protecting is provided.
Concrete, the utility model provides a kind of non-negative pressure water-supply installation, it comprises non-negative pressure stabilized tank, switch board, water inlet pipe, outlet pipe, multiple water pump and vacuum tank, described non-negative pressure stabilized tank connects water inlet, between described water inlet and described non-negative pressure stabilized tank, is disposed with ductwork pressure checkout gear, strainer and backflow preventer; The water inlet end of described non-negative pressure stabilized tank is provided with vacuum suppresser, equipment hanger and for measuring the liquid level sensor of water level, the water side of described non-negative pressure stabilized tank is provided with delivery port, support, cleaning blowoff valve and blow vent; Described delivery port connects described water inlet pipe, and described water inlet pipe connects described outlet pipeline, between described water inlet pipe and described outlet pipe, is provided with vacuum tank, multiple water pump and bypass pipe, and described multiple water pumps connect respectively described switch board.
Preferably, between described multiple water pumps and described water inlet pipe, be provided with valve, between described multiple water pumps and described outlet pipe, be disposed with the pipeline that is flexible coupling, flap valve and valve.
Preferably, between described vacuum tank and described water inlet pipe, be provided with valve, between described vacuum tank and described outlet pipe, be disposed with flap valve and valve.
Preferably, on described bypass pipe, between described water inlet pipe and described outlet pipe, be disposed with flap valve and valve.
Preferably, on described water inlet pipe, be provided with electro connecting pressure gauge, described electro connecting pressure gauge connects described switch board.
Preferably, described outlet pipe is connected with pressure sensor and overpressure protection apparatus, and described pressure sensor and overpressure protection apparatus connect respectively described switch board.
Preferably, the end of described outlet pipe is provided with valve.
Preferably, described vacuum suppresser and described liquid level sensor all connect described switch board.
Preferably, described switch board is frequency-conversion control cabinet, on described switch board, is provided with control button.
Preferably, the quantity of institute's transfer device hanger is two, is provided with the convenient through hole hanging on described equipment hanger.
Preferably, described water pump is provided with motor, and described water pump is stainless steel centrifugal multistage pump multiple centrifugal pump.
Preferably, the quantity of described water pump is 2-6 platform.
Preferably, in described frequency-conversion control cabinet, be provided with frequency converter, the quantity of described frequency converter is 1-5 platform.
Advantage of the present utility model has: compared with prior art, this frequency control non-negative pressure water-supply installation has replaced traditional water tank, pond with non-negative pressure stabilized tank, saves construction investment, the secondary pollution of having avoided quoting water, hygienic environment-protecting.Can directly not carry out grid to municipal administration simultaneously and produce negative pressure, utilize to greatest extent the municipal original pressure that directly carrys out grid, energy-efficient, pump house customer interrupted still has water.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the utility model is further explained:
As shown in Figure 1, this non-negative pressure water-supply installation comprises non-negative pressure stabilized tank 1, switch board 6, water inlet pipe 3, outlet pipe 5, some water pumps 4 and vacuum tank 10, non-negative pressure stabilized tank 1, water inlet pipe 3, outlet pipe 5, some water pumps 4 and vacuum tank 10 connect into complete equipment, electro connecting pressure gauge 9 on liquid level sensor 7, inlet pipeline in its non-negative pressure stabilized tank, the pressure sensor 8 on outlet pipeline, some water pumps 4 are all connected with switch board 6, thereby realize Based Intelligent Control frequency control.The number of units of water pump 4 is 2 to 6, and in the present embodiment, the number of units of water pump 4 is 3, and water pump 4 is stainless steel vertical multi-stage centrifugal pump.
Switch board 6 is frequency-conversion control cabinet, is provided with frequency converter in frequency-conversion control cabinet, and the quantity of frequency converter is 1-5 platform.On switch board 6, be provided with control button.Electro connecting pressure gauge 9 on switch board 6 difference connecting fluid level sensors 7, inlet pipeline, the pressure sensor 8 on outlet pipeline, some water pumps 4.
Between the water inlet end of municipal tap water pipe and non-negative pressure stabilized tank 1, be disposed with ductwork pressure checkout gear 15, strainer 17 and backflow preventer 18, on the water inlet end of non-negative pressure stabilized tank 1, be provided with equipment hanger 19 and liquid level sensor 7, on the water side of non-negative pressure stabilized tank 1, be provided with and clean blowoff valve 20 and blow vent 21.On the outlet pipe 5 of non-negative pressure water-supply installation, be provided with overpressure protection apparatus 16.
Between water inlet pipe 3 and outlet pipe 5, be provided with vacuum tank 10, multiple water pump 4 and bypass pipe 14, multiple water pumps 4 connect respectively switch board 6.Between multiple water pumps 4 and water inlet pipe 3, be provided with valve 12, between multiple water pumps 4 and outlet pipe 5, be disposed with the pipeline 13 that is flexible coupling, flap valve 11 and valve 12.Between vacuum tank 10 and water inlet pipe 3, be provided with valve, between vacuum tank 10 and outlet pipe 5, be disposed with flap valve 11 and valve 12.On bypass pipe 14, between water inlet pipe 3 and outlet pipe 5, be disposed with flap valve 11 and valve 12.
Non-negative pressure stabilized tank 1, water inlet pipe 3, outlet pipe 5, valve 12, flap valve 11, be flexible coupling 13, water pump 4, vacuum tank 10, be stainless steel (304 material) manufacture, guarantee tap water quality non-secondary pollution.
Below operating principle of the present utility model is further explained:
Non-negative pressure stabilized tank 1 in this non-negative pressure water-supply installation is directly connected with municipal tap water pipe network, water enters and is stored in non-negative pressure stabilized tank 1 from water inlet, suppress vacuum by vacuum suppresser 2, can not produce negative pressure to municipal tap water pipe network, in the time that the straight water ductwork pressure of municipal administration is enough, the detected pressure value of the water side that outlet pipeline 5 detected is passed to frequency-conversion control cabinet 6 by pressure sensor 8, the water pump 4 that frequency-conversion control cabinet 6 is controlled cuts out, and directly supplies water to user by the bypass pipe 14 of inlet and outlet pipe with municipal tap water.In the time that the straight water ductwork pressure of municipal administration is not enough, the detected pressure value of water side is passed to frequency-conversion control cabinet 6 by pressure sensor 8, frequency-conversion control cabinet 6 compares detected pressure value and setting value, calculate the force value that needs supercharging on original pressure-based of municipal tap water pipe network, determine number of units and water pump 4 frequency conversion output valves (pump rotary speed and change of frequency) that water pump 4 puts into operation, realize constant voltage to meet water curve.In the time that municipal administration directly comes that grid short-term is cut off the water or water supply volume is greater than output, the interior storage water of non-negative pressure stabilized tank 1 replenish user is used; When the interior storage water of non-negative pressure stabilized tank 1 reaches in limited time lower, signal is passed to switch board 6 by liquid level sensor 7, electro connecting pressure gauge 9, frequency-conversion control cabinet 6 powered-downs, equipment quits work, in the time that municipal administration directly carrys out grid recovery pressure and supplies water, the water level of the storage water in non-negative pressure stabilized tank 1 rises, and signal is passed to frequency-conversion control cabinet 6 by liquid level sensor 7, electro connecting pressure gauge 9, frequency-conversion control cabinet 6 power-on, equipment is resumed work.
Vacuum suppresser 2 in this frequency control non-negative pressure water-supply installation in non-negative pressure stabilized tank is stainless steel (304 material) manufacture.Stable performance, guarantees to suppress vacuum.
In this frequency control non-negative pressure water-supply installation, the number of units of the interior configuration frequency converter of switch board 6 is 1 to 5, in the present embodiment, water pump 4 number of units are 3, belong to dual-purpose one for type, and the number of units of the interior configuration frequency converter of switch board 6 is 2, make 2 work water pumps all in variable frequency water supply mode, more energy-conservation.
Advantage of the present utility model has: compared with prior art, this frequency control non-negative pressure water-supply installation has replaced traditional water tank, pond with non-negative pressure stabilized tank, saves construction investment, the secondary pollution of having avoided quoting water, hygienic environment-protecting.Can directly not carry out grid to municipal administration simultaneously and produce negative pressure, utilize to greatest extent the municipal original pressure that directly carrys out grid, energy-efficient, pump house customer interrupted still has water.
Person of ordinary skill in the field is to be understood that: in the situation that not departing from general principle of the present utility model; can carry out various amendments, retouching, combination to the utility model, supplement or the replacement of technical characterictic, these are equal to substitute mode or within obviously mode of texturing all falls into protection domain of the present utility model.
Claims (7)
1. a non-negative pressure water-supply installation, it is characterized in that: it comprises non-negative pressure stabilized tank, switch board, water inlet pipe, outlet pipe, multiple water pump and vacuum tank, described non-negative pressure stabilized tank connects water inlet, between described water inlet and described non-negative pressure stabilized tank, is disposed with ductwork pressure checkout gear, strainer and backflow preventer; The water inlet end of described non-negative pressure stabilized tank is provided with vacuum suppresser, equipment hanger and for measuring the liquid level sensor of water level, the water side of described non-negative pressure stabilized tank is provided with delivery port, support, cleaning blowoff valve and blow vent; Described delivery port connects described water inlet pipe, and described water inlet pipe connects described outlet pipeline, between described water inlet pipe and described outlet pipe, is provided with vacuum tank, multiple water pump and bypass pipe, and described multiple water pumps connect respectively described switch board.
2. non-negative pressure water-supply installation according to claim 1, is characterized in that: between described multiple water pumps and described water inlet pipe, be provided with valve, between described multiple water pumps and described outlet pipe, be disposed with the pipeline that is flexible coupling, flap valve and valve.
3. non-negative pressure water-supply installation according to claim 1, is characterized in that: between described vacuum tank and described water inlet pipe, be provided with valve, between described vacuum tank and described outlet pipe, be disposed with flap valve and valve.
4. non-negative pressure water-supply installation according to claim 1, is characterized in that: on described bypass pipe, between described water inlet pipe and described outlet pipe, be disposed with flap valve and valve.
5. non-negative pressure water-supply installation according to claim 1, is characterized in that: on described water inlet pipe, be provided with electro connecting pressure gauge, described electro connecting pressure gauge connects described switch board.
6. non-negative pressure water-supply installation according to claim 5, is characterized in that: described outlet pipe is connected with pressure sensor and overpressure protection apparatus, and described pressure sensor and overpressure protection apparatus connect respectively described switch board.
7. non-negative pressure water-supply installation according to claim 6, is characterized in that: the end of described outlet pipe is provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063481.6U CN203821490U (en) | 2014-02-12 | 2014-02-12 | Non-negative pressure water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063481.6U CN203821490U (en) | 2014-02-12 | 2014-02-12 | Non-negative pressure water supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203821490U true CN203821490U (en) | 2014-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420063481.6U Expired - Fee Related CN203821490U (en) | 2014-02-12 | 2014-02-12 | Non-negative pressure water supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203821490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100225A (en) * | 2017-03-14 | 2017-08-29 | 温州金棕榈建设有限公司 | A kind of municipal tap water is without negative pressure pipe network pressurized watering device |
-
2014
- 2014-02-12 CN CN201420063481.6U patent/CN203821490U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100225A (en) * | 2017-03-14 | 2017-08-29 | 温州金棕榈建设有限公司 | A kind of municipal tap water is without negative pressure pipe network pressurized watering device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20160212 |