CN203361247U - Pipe network pressure-superposed full-variable-frequency water supply equipment - Google Patents
Pipe network pressure-superposed full-variable-frequency water supply equipment Download PDFInfo
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- CN203361247U CN203361247U CN 201320468241 CN201320468241U CN203361247U CN 203361247 U CN203361247 U CN 203361247U CN 201320468241 CN201320468241 CN 201320468241 CN 201320468241 U CN201320468241 U CN 201320468241U CN 203361247 U CN203361247 U CN 203361247U
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- pipeline
- storage device
- water supply
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Abstract
The utility model relates to the technical field of water supply and discharge equipment and provides pipe network pressure-superposed full-variable-frequency water supply equipment. The water supply equipment comprises a pipeline water storage device, a buffer water pipe and a water outlet pipeline which are communicated with one another sequentially, wherein the water storage device is communicated the water outlet pipeline of a tap water pipe network; the water outlet pipeline is communicated with multiple user pipelines; a pressure balance drum is arranged between the pipeline water storage device and the buffer water pipe; the water outlet pipeline comprises two water supply pipelines and a standby pipeline which are connected in parallel; the standby pipeline is located between the two water supply pipelines; a compressed air control valve, a remote-transmission pressure gauge and a water pump are all controlled by a power distribution cabinet in a variable-frequency linkage way. The water supply equipment does not cause any loss of tap water pressure at all in the process of water supply; besides, the inlet pressure of the water pump is stable, the equipment utilization rate is enhanced, the load of the water pump is reduced, and the water pressure difference between a far user and a near user is decreased.
Description
Technical field
The utility model relates to the water supply and draining equipment technical field, is specially a kind of pipe network pressure-superposed full frequency-changing water supply device.
Background technology
Traditional supply equipment is usually all used by water tower, water pump control cabinet, submersible pump etc. and is formed, adopt such technical scheme that a lot of shortcoming and defect are arranged, because, in pure underground water suction water tower, not only various impurity very easily enters water tower, the severe contamination water source, affect the healthy of user, and there is the water of hydraulic pressure from tap water pipe network, after entering water tower, hydraulic pressure disappears, cause waste, in addition, this equipment also has the shortcomings such as investment is large, expense is high, occupation of land is many.
Pipe network pressure-superposed full frequency-changing water supply device is a kind of novel supply equipment that new development is got up on the said equipment basis, shown in Fig. 1, be that a kind of the most common pipe network laminated press frequency conversion PLC controls supply equipment, this complete equipment comprises the water tank 1 be communicated with successively, buffering water pipe 2a and outlet pipeline 3a, water tank is provided with flow regulator 4, water tank pressure meter 5 and negative pressure canceller 6, outlet pipeline 3a comprises the supply channel 7a be connected in parallel, maintenance pipeline 8 and spare duct 9a, the outlet of outlet pipeline 3a only has one, all be provided with successively suction water pipe control valve 10a(butterfly valve or gate valve on supply channel 7a and spare duct 9a), flap valve 11a, water pump 12a and outlet pipeline control valve 13a, also be provided with electrolysis point pressure table 14 and distance-transmission pressure gauge 15a after outlet pipeline control valve 13a, wherein, water tank pressure meter 5, negative pressure canceller 6, water pump 12a, electrolysis point pressure table 14 and distance-transmission pressure gauge 15a etc. all carry out the full frequency conversion PLC control that links by a power distribution cabinet 16a.This pipe network pressure-superposed full frequency-changing water supply device of prior art is rational in infrastructure, floor space is little, energy-conservation, automaticity is high, bookkeeping is easy, safe and reliable to operation, easy for installation, be easy to safeguard.
But, still there is following shortcoming in this complete equipment of prior art: after one, from the water with pressure of tap water pipe network, entering water tank, pressure still has impairment, and if tap water hydraulic is unstable, on the aspects such as variable frequency adjustment of supply channel, all affect larger; Two, supply equipment comprises a set of supply channel and a set of spare duct, while normally using, only uses a set of supply channel, utilization rate of equipment and installations lower (50%), and pump load is larger; Three, user's hydraulic pressure of the user of far-end and near-end differs larger, and more user's hydraulic pressure of far-end is less.
The utility model content
Technical problem to be solved in the utility model is: a kind of pipe network pressure-superposed full frequency-changing water supply device is provided, can effectively solves the problems referred to above that prior art exists.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
Pipe network pressure-superposed full frequency-changing water supply device, comprise the water storage device, buffering water pipe and the outlet pipeline that are communicated with successively, and described water storage device is communicated with the tap water pipe network outlet pipeline, described outlet pipeline and a plurality of user side pipeline connection:
Described water storage device is the pipeline water storage device;
Be provided with pressure balance cylinder between described pipeline water storage device and buffering water pipe, the top of described pressure balance cylinder is communicated with compressed air line, and described compressed air line is provided with compressed air control valve;
Described outlet pipeline comprises two supply channels and the spare duct be connected in parallel, described spare duct is between described two supply channels, all be provided with successively suction water pipe control valve, flap valve, water pump and outlet pipe control valve on described two supply channels and a spare duct, after described outlet pipe control valve, also be provided with distance-transmission pressure gauge;
Described compressed air control valve, distance-transmission pressure gauge and water pump are all controlled by a power distribution cabinet frequency conversion interlock.
Preferably, described pipeline water storage device is the snake pipe water storage device.
Preferably, the top of described pressure balance barrel is provided with the pressure balance barrel pressure meter.
Preferably, described compressed air control valve is pneumatic operated valve.
After having adopted technique scheme, the beneficial effects of the utility model are:
1, because described water storage device is the pipeline water storage device, therefore, the tap water hydraulic free of losses;
2, owing between described pipeline water storage device and buffering water pipe, being provided with pressure balance cylinder, even if tap water hydraulic fluctuates, compressed air in pressure balance barrel can cushion adjusting to hydraulic pressure, and the pressure in pressure balance barrel also can with the adjusting that links of exit of pump pressure, therefore, guaranteed the stable of unit fixed on water pump suction pressure;
3, described outlet pipeline comprises two supply channels and the spare duct be connected in parallel, described spare duct is between described two supply channels, therefore, when a supply channel wherein breaks down, spare duct can be used, and has not only improved capacity utilization (66.7%), also because two supply channels supply water simultaneously, reduce the load of water pump, and reduced the user of far-end and user's differential water pressures of near-end.
The accompanying drawing explanation
Fig. 1 is prior art supply equipment structural representation;
Fig. 2 is the utility model specific embodiment structural representation;
Wherein, 1, water tank; 2a, 2b, the buffering water pipe; 3a, 3b, outlet pipeline; 4, flow regulator; 5, water tank pressure meter; 6, negative pressure canceller; 7a, 7b, supply channel; 8, maintenance pipeline; 9a, 9b, spare duct; 10a, 10b, the suction line control valve; 11a, 11b, flap valve; 12a, 12b, water pump; 13a, 13b, the outlet pipeline control valve; 14, electrolysis point pressure table; 15a, 15b, distance-transmission pressure gauge; 16a, 16b, power distribution cabinet; 17, snake pipe water storage device; 18, pressure balance cylinder; 19, pressure balance barrel pressure meter; 20, compressed air control valve.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.
A kind of pipe network pressure-superposed full frequency-changing water supply device as shown in Figure 2, comprise the snake pipe water storage device 17, pressure balance cylinder 18, buffering water pipe 2b and the outlet pipeline 3b that are communicated with successively, snake pipe water storage device 17 is communicated with the tap water pipe network outlet pipeline, outlet pipeline 3b and a plurality of user side pipeline connection.
The top of pressure balance cylinder 18 is communicated with compressed air line, and is provided with pressure balance barrel pressure meter 19, and compressed air line is provided with compressed air control valve 20, and compressed air control valve 20 is pneumatic operated valve.
Compressed air control valve 20, distance-transmission pressure gauge 15b and water pump 12b all control by a power distribution cabinet 16b frequency conversion interlock.
The utility model makes tap water be pressed in not loss fully in water supply process, the unit fixed on water pump suction pressure stability, not only improved capacity utilization, also because two supply channels supply water simultaneously, reduce the load of water pump, and reduced the differential water pressures of remote subscriber and near-end user water.
The utility model is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done, within all dropping on protection domain of the present utility model.
Claims (4)
1. pipe network pressure-superposed full frequency-changing water supply device, comprise the water storage device, buffering water pipe and the outlet pipeline that are communicated with successively, and described water storage device is communicated with the tap water pipe network outlet pipeline, and described outlet pipeline and a plurality of user side pipeline connection is characterized in that:
Described water storage device is the pipeline water storage device;
Be provided with pressure balance cylinder between described pipeline water storage device and buffering water pipe, the top of described pressure balance cylinder is communicated with compressed air line, and described compressed air line is provided with compressed air control valve;
Described outlet pipeline comprises two supply channels and the spare duct be connected in parallel, described spare duct is between described two supply channels, all be provided with successively suction water pipe control valve, flap valve, water pump and outlet pipe control valve on described two supply channels and a spare duct, after described outlet pipe control valve, also be provided with distance-transmission pressure gauge;
Described compressed air control valve, distance-transmission pressure gauge and water pump are all controlled by a power distribution cabinet frequency conversion interlock.
2. pipe network pressure-superposed full frequency-changing water supply device as claimed in claim 1, it is characterized in that: described pipeline water storage device is the snake pipe water storage device.
3. pipe network pressure-superposed full frequency-changing water supply device as claimed in claim 1, it is characterized in that: the top of described pressure balance barrel is provided with the pressure balance barrel pressure meter.
4. pipe network pressure-superposed full frequency-changing water supply device as claimed in claim 1, it is characterized in that: described compressed air control valve is pneumatic operated valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320468241 CN203361247U (en) | 2013-08-01 | 2013-08-01 | Pipe network pressure-superposed full-variable-frequency water supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320468241 CN203361247U (en) | 2013-08-01 | 2013-08-01 | Pipe network pressure-superposed full-variable-frequency water supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203361247U true CN203361247U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320468241 Expired - Fee Related CN203361247U (en) | 2013-08-01 | 2013-08-01 | Pipe network pressure-superposed full-variable-frequency water supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203361247U (en) |
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2013
- 2013-08-01 CN CN 201320468241 patent/CN203361247U/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: 20131225 Termination date: 20140801 |
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| EXPY | Termination of patent right or utility model |