CN201660928U - Low-resistance backflow-preventing-type negative-pressure-free pressure-stacking water supplying device - Google Patents
Low-resistance backflow-preventing-type negative-pressure-free pressure-stacking water supplying device Download PDFInfo
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- CN201660928U CN201660928U CN 201020117710 CN201020117710U CN201660928U CN 201660928 U CN201660928 U CN 201660928U CN 201020117710 CN201020117710 CN 201020117710 CN 201020117710 U CN201020117710 U CN 201020117710U CN 201660928 U CN201660928 U CN 201660928U
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Abstract
The utility model discloses a low-resistance backflow-preventing-type negative-pressure-free pressure-stacking water supplying device comprising a water pump, wherein an outlet of the water pump is connected with an air-pressure tank by a water outlet check valve which is also connected with a water outlet end; and an inlet of the water pump is connected with an outlet of a flow-stabilizing tank by a control valve. The low-resistance backflow-preventing-type negative-pressure-free pressure-stacking water supplying device is characterized in that the flow-stabilizing tank is connected with a low-pressure interface of a wash-out valve; a high-pressure interface of the wash-out valve is connected with a water inlet check valve inlet; an outlet of the water inlet check valve is connected with the inlet of the flow-stabilizing tank; and an inlet of the water inlet check valve inlet is also connected with the water inlet end. The low-resistance backflow-preventing-type negative-pressure-free pressure-stacking water supplying device has the advantages of being capable of reducing the loss of the water inlet resistance, thus improving the use ratio of the pressure of a pipe network, having simple structure, and reducing the production cost.
Description
Technical field
The utility model belongs to a kind of supply equipment that can directly link to each other with the tap water pipe network, and the anti-down streaming of specifically a kind of low-resistance does not have the negative pressure laminating water supply equipment, particularly to the improvement of its structure and function.
Background technology
Owing to after general water supply facilities directly inserts the tap water pipe network, can cause the decline of ductwork pressure, influence peripheral user's water, this way of supplying water generally is unallowed.For addressing this problem, traditional way of supplying water adopts reservoir or water tank to cut off usually and regulates.System architecture is: 1, frequency conversion tank; 2, air pressure tank; 3, pressure sensor; 4, flap valve; 5, water pump; 6, control valve; 7, pond (water tank).The shortcoming of this way of supplying water is: the water quality in pond or the water tank is easily polluted and the spilling water loss is arranged; Original tap water pipe network pressure energy wastes; Investment and floor space are big etc.
Existing a kind of non-negative pressure stabilized water supply facilities, it is composed as follows: 1, frequency conversion tank; 2, air pressure tank 3, pressure sensor; 4, flap valve; 5, water pump; 6, control valve; 8, backflow preventer; 9, current stabilization jar.The shortcoming of this structure is: the backflow preventer of configuration is actual to be the two-stage flap valve, and adding has the one-level flap valve in the system, then constitute three grades of flap valve, has so just increased the drag losses of system.
Summary of the invention
The purpose of this utility model is to provide the anti-down streaming of a kind of low-resistance not have the negative pressure laminating water supply equipment, can reduce the drag losses of system.
In order to realize this purpose, the technical solution of the utility model is as follows: the anti-down streaming of a kind of low-resistance does not have the negative pressure laminating water supply equipment, comprise water pump, the outlet of water pump is connected with air pressure tank by going out Water Check Valve, going out Water Check Valve also is connected with the water side, the import of water pump is connected by the outlet of control valve with the current stabilization jar, it is characterized in that the current stabilization jar is connected with the drain valve low-voltage interface, the drain valve high voltage interface is connected with the water inlet check valve inlet, the outlet of water inlet flap valve is connected with the import of current stabilization jar, and the water inlet check valve inlet also is connected with water inlet end.
The utility model is established the water inlet flap valve in the import of current stabilization jar and is formed the partition chamber that secondary flap valve, current stabilization jar become backflow preventer with the Water Check Valve that goes out that is located at exit of pump, complete equipment has just had the function of backflow preventer, because of adopting the water inlet flap valve, system replaced backflow preventer, saved the one-level reducing valve, the drag losses of system reduces greatly, promptly saved cost of production, also reduced the water inlet drag losses, thereby improved utilization rate ductwork pressure.Advantage of the present utility model is to reduce the water inlet drag losses, thereby has improved the utilization rate to ductwork pressure, and simple in structure, reduces production costs.
Description of drawings
Fig. 1 is an embodiment pipeline connecting figure of prior art
Fig. 2 is another embodiment pipeline connecting figure of prior art
Fig. 3 is the pipeline connecting figure of the utility model one embodiment
Specific implementation method
The anti-down streaming of a kind of low-resistance does not have the negative pressure laminating water supply equipment, comprise water pump 5, the outlet of water pump 5 is connected with air pressure tank 2 by going out Water Check Valve 4, going out Water Check Valve 4 also is connected with the water side, the import of water pump 5 is connected with the outlet of current stabilization jar 8 by control valve 6, it is characterized in that current stabilization jar 8 is connected with drain valve 10 low-voltage interfaces, and drain valve 10 high voltage interfaces are connected with 11 imports of water inlet flap valve, 11 outlets of water inlet flap valve are connected with 8 imports of current stabilization jar, and 11 imports of water inlet flap valve also are connected with water inlet end.The water side is provided with pressure sensor 3, goes out Water Check Valve 4 outlets and is provided with pressure sensor 3, and frequency conversion tank 1 is connected with control valve 5 and pressure sensor 3, is used to gather the pressure of water side, and 6 actions of control control valve.According to an embodiment of the present utility model, drain valve 10 low-voltage interfaces are connected with 8 outlets of current stabilization jar, and drain valve 10 low-voltage interfaces also can be connected with the import of current stabilization jar 8 certainly.
The utility model is established water inlet flap valve 11 in the import of current stabilization jar 8 and is formed the partition chamber that secondary flap valve, current stabilization jar 8 become backflow preventer with the Water Check Valve 4 that goes out that is located at water pump 2 outlets, and complete equipment has just had the function of backflow preventer.Inlet check valve can be with the flap valve of any pattern.
Claims (4)
1. the anti-down streaming of low-resistance does not have the negative pressure laminating water supply equipment, comprise water pump, the outlet of water pump is connected with air pressure tank by going out Water Check Valve, going out Water Check Valve also is connected with the water side, the import of water pump is connected by the outlet of control valve with the current stabilization jar, it is characterized in that the current stabilization jar is connected with the drain valve low-voltage interface, and the drain valve high voltage interface is connected with the water inlet check valve inlet, the outlet of water inlet flap valve is connected with the import of current stabilization jar, and the water inlet check valve inlet also is connected with water inlet end.
2. no negative pressure laminating water supply equipment as claimed in claim 1 is characterized in that the water side is provided with pressure sensor, goes out the Water Check Valve outlet and is provided with pressure sensor, and frequency conversion tank is connected with control valve and pressure sensor.
3. no negative pressure laminating water supply equipment as claimed in claim 2 is characterized in that the drain valve low-voltage interface is connected with the outlet of current stabilization jar.
4. no negative pressure laminating water supply equipment as claimed in claim 2 is characterized in that the drain valve low-voltage interface is connected with the import of current stabilization jar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020117710 CN201660928U (en) | 2010-02-24 | 2010-02-24 | Low-resistance backflow-preventing-type negative-pressure-free pressure-stacking water supplying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020117710 CN201660928U (en) | 2010-02-24 | 2010-02-24 | Low-resistance backflow-preventing-type negative-pressure-free pressure-stacking water supplying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201660928U true CN201660928U (en) | 2010-12-01 |
Family
ID=43231345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020117710 Expired - Fee Related CN201660928U (en) | 2010-02-24 | 2010-02-24 | Low-resistance backflow-preventing-type negative-pressure-free pressure-stacking water supplying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201660928U (en) |
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2010
- 2010-02-24 CN CN 201020117710 patent/CN201660928U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20101201 Termination date: 20150224 |
|
| EXPY | Termination of patent right or utility model |