CN102121260A - Multi-water-source multi-way non-negative-pressure water supplying method and device - Google Patents
Multi-water-source multi-way non-negative-pressure water supplying method and device Download PDFInfo
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- CN102121260A CN102121260A CN 201010003793 CN201010003793A CN102121260A CN 102121260 A CN102121260 A CN 102121260A CN 201010003793 CN201010003793 CN 201010003793 CN 201010003793 A CN201010003793 A CN 201010003793A CN 102121260 A CN102121260 A CN 102121260A
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Abstract
The invention provides a multi-water-source multi-way non-negative-pressure water supplying method and device, relating to a water supplying method; in the multi-water-source multi-way non-negative-pressure water supplying method, the most disadvantageous point of the water tube net is that a non-negative-pressure secondary water supplying high-position pressure type water storage tank is arranged preferably at a high point; and a membrane air bag filled with compressed air is arranged inside the water storage tank so that the multi-water-resource multi-way non-negative-pressure water supplying is realized. In the invention, the water can be injected while the pump operates; when the pump is dormant, the multi-water-source water supplying system for a water pipe net is formed, can carry out the replenishment of water quantity in a short time, and has the effects of stabilizing pressure and flow; the powerless pressure-maintaining operation with small or zero flow quantity can be reached; and the method and the device ensure that the energy is saved, the operation cost lowered, and the device abrasion is reduced.
Description
Technical field
The present invention relates to a kind of method of supplying water, the method and apparatus of particularly a kind of non-negative-pressure variable frequency water supply and secondary water-supply.
Background technology
No negative pressure secondary water-supply water supply facilities, comprise that no negative pressure pressure-superposed water supplying facility, intelligence no negative pressure pressure tank, no negative-pressure pipeline supercharging water supply facilities, no negative pressure do not have suction journey pipe network supercharging current stabilization water supply facilities etc., be the novel water supply facilities after water tank (water tower) feedwater, pneumatic water supply, frequency control feedwater, have totally-enclosed, pollution-free, energy-conservation, occupation of land less, advantage such as quick for installation, reliable, easy to maintenance.But it is failed to solve water pump, comprises three problems that variable frequency pump directly feeds water and exists:
1, transient flow flux deficiency during water use peak.
This is owing to the water pump pickup lag will inevitably produce, when water supply volume increases suddenly, the water pump speed-raising increases flow and can not finish in moment, must there be several seconds～acceleration time of 1 minute, can cause of short duration underfed, even cutout, pressure oscillation appears, and vacuum tank commonly used is little to the regulating power of hydraulic pressure.
2, operating cost is too high.
Life pipe network is difficult to accomplish watertight, even has the user deliberately water tap to be turned down water receiving, because water is incoercible, as long as pipe network leaks, pressure will reduce, and water pump just needs the operation pressurize.The energy-saving effect of non-negative-pressure variable frequency feedwater is feasible in the normal water stage; But at water ebb and night when low discharge, zero delivery water, rely on the water pump low-speed running to guarantee pipe network constant pressure, have certain energy-saving effect, can't accomplish not power consumption though compare with power frequency running water pump.In one day 24 hours, real water use peak had to be in low discharge, zero delivery water state more than 20 hours less than 4 hours, and a large amount of electric energy wastes in the pressurize operation.Pressurize problem when how to solve the water supply of pipe network low discharge is to rely on pump operation to guarantee the common difficulty that the water supply facilities of pipe network constant pressure faces, and all water supply facilities producers of the whole nation all fail to address this problem effectively at present.
3, frequently open, shut down and cause equipment attrition to be quickened.
For keeping ductwork pressure, pressurized equipment frequent starting and dormancy, operating cost height not only, and also equipment attrition is fast.
Summary of the invention
Technical problem to be solved by this invention provides the multidirectional non-negative pressure method of water supply method and apparatus of a kind of multi-water resources, can solve pipe network low discharge water supply pressurize operation problem, cuts down the consumption of energy and equipment attrition.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: the multidirectional non-negative pressure method of water supply method of a kind of multi-water resources, water least favorable point at the water pipe network, preferably be positioned at eminence, no negative pressure secondary water-supply high-pressure formula water tank is set, in tank body, be provided with and be filled with compressed-air actuated barrier film air bag, thereby realize the multidirectional non-negative pressure method of water supply of multi-water resources.
Described water least favorable point is meant that in the water pipe network from water supply facilities point far away, preferred version is the eminence of this point.
A kind of no negative pressure secondary water-supply high-pressure formula water tank is provided with the barrier film air bag in the pressurized tank, the barrier film air bag is connected with air inlet port, and the pressurized tank below is provided with atmospheric valve and feed water valve, and the pressurized tank top is provided with automatic air valve, and pressurized tank one side is provided with access hole.
Described pressurized tank material is a stainless steel.
Described barrier film air bag material is a rubber.
Be filled with compressed air in the described barrier film air bag.
The multidirectional non-negative pressure method of water supply method and apparatus of a kind of multi-water resources provided by the invention, by the equipment among the present invention being arranged on the water least favorable point of water pipe network, preferably be positioned at eminence, and in pressurized tank, be provided with and filled compressed-air actuated barrier film air bag, intake when can be implemented in water pump operation, when the water pump dormancy, supply water, constitute the multi-water resources " water system " of water pipe network, the compression when water inlet of compressed air in the barrier film air bag, expand when sending water, realized non-negative pressure method of water supply, the invention has the beneficial effects as follows, can moment finish amount of makeup water, play voltage stabilizing, the effect of current stabilization, can reach low discharge, energy consumption is saved in no power consumption pressurize operation during zero delivery, reduce operating cost and equipment attrition.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is an integral installation structural representation of the present invention;
Fig. 2 is a scheme of installation of the present invention.
The specific embodiment
As shown in Figure 1 and Figure 2, the multidirectional non-negative pressure method of water supply method of a kind of multi-water resources, water least favorable point at the water pipe network, preferably be positioned at eminence, no negative pressure secondary water-supply high-pressure formula water tank is set, in tank body, be provided with and be filled with compressed-air actuated barrier film air bag, thereby realize the multidirectional non-negative pressure method of water supply of multi-water resources.
Described water least favorable point is meant that in the water pipe network from water supply facilities point far away, preferred version is the eminence of this point.
A kind of no negative pressure secondary water-supply high-pressure formula water tank, be provided with barrier film air bag 2 in the pressurized tank 3, barrier film air bag 2 is connected with air inlet port 4, and pressurized tank 3 belows are provided with atmospheric valve 7 and feed water valve 8, pressurized tank 3 tops are provided with automatic air valve 1, and pressurized tank 3 one sides are provided with access hole 6.
Described pressurized tank 3 materials are stainless steel.
Described barrier film air bag 2 materials are rubber.
Be filled with compressed air in the described barrier film air bag 2.
Water with 2 compressions of barrier film air bag, increases the water storage volume of pressurized tank 3 during water pump operation in feed water valve 8 pump-in pressure jars 3.During the water pump dormancy, pressurized tank 3 internal pressures descend, and 2 volume expansions of barrier film air bag increase the pressure in the pressurized tank 3, along with barrier film air bag 2 volumes increase, the water in the pressurized tank 3 are discharged, and guarantee ductwork pressure.Replenish during 3 pairs of pipe network low discharges of pressurized tank, reduced the start number of times of variable frequency pump, reduced energy consumption and switching on and shutting down frequency.
Barrier film air bag 2 adopts the natural rubber material to make, air inlet port 4 is fixed on the access hole 6, barrier film air bag 2 is the air bag of independent sealing, inside is filled with compressed air, compressed air does not contact with water in the pressurized tank 3, access hole 6 is opened when cleaning or change barrier film air bag 2 by access panel 5 sealings, and barrier film air bag 2 is installed and removed from access hole 6.Be provided with in pressurized tank 3 bottoms and connect an atmospheric valve 7 on the water inlet pipe of feed water valve 8, draining when being mainly used in the cleaning to pressurized tank 3.
In the feedwater process, during the normal discharge water, by the water pump of no-negative-pressure water supply equipment when feeding water with water spot, by feed water valve 8 to pressurized tank 3 moisturizings; Promptly by water pump " unidirectional water supply makes progress ".When water supply volume increases suddenly, instantaneous when the augmented flow water occurring, also do not start at water pump, pressurized tank 3 is immediately to user's pipe network water supply, and starting mode of pump and high-order water tank supply water simultaneously subsequently, has only after again water pump to supply water, enter the normal discharge water, so circulation realizes " multi-water resources water supply ", eliminates the transient flow quantity not sufficient problem that the water pump pickup lag exists.When the low discharge water, the water pump dormancy is out of service, by the deposit water in the pressurized tank 3 to user's pipe network water supply, the waste of energy problem when having solved low discharge and zero delivery water.
Claims (6)
1. multidirectional non-negative pressure method of water supply method of multi-water resources, it is characterized in that: at the water least favorable point of water pipe network, preferably be positioned at eminence, no negative pressure secondary water-supply high-pressure formula water tank is set, in tank body, be provided with and be filled with compressed-air actuated barrier film air bag, thereby realize the multidirectional non-negative pressure method of water supply of multi-water resources.
2. the multidirectional non-negative pressure method of water supply method of a kind of multi-water resources according to claim 1 is characterized in that: described water least favorable point is meant that in the water pipe network from water supply facilities point far away, preferred version is the eminence of this point.
3. no negative pressure secondary water-supply high-pressure formula water tank, it is characterized in that: be provided with barrier film air bag (2) in the pressurized tank (3), barrier film air bag (2) is connected with air inlet port (4), pressurized tank (3) below is provided with atmospheric valve (7) and feed water valve (8), pressurized tank (3) top is provided with automatic air valve (1), and pressurized tank (3) one sides are provided with access hole (6).
4. a kind of no negative pressure secondary water-supply high-pressure formula water tank according to claim 3, it is characterized in that: described pressurized tank (3) material is a stainless steel.
5. a kind of no negative pressure secondary water-supply high-pressure formula water tank according to claim 3, it is characterized in that: described barrier film air bag (2) material is a rubber.
6. according to claim 3 or 5 described a kind of no negative pressure secondary water-supply high-pressure formula water tanks, it is characterized in that: be filled with compressed air in the described barrier film air bag (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010003793 CN102121260A (en) | 2010-01-11 | 2010-01-11 | Multi-water-source multi-way non-negative-pressure water supplying method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010003793 CN102121260A (en) | 2010-01-11 | 2010-01-11 | Multi-water-source multi-way non-negative-pressure water supplying method and device |
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| CN102121260A true CN102121260A (en) | 2011-07-13 |
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| CN 201010003793 Pending CN102121260A (en) | 2010-01-11 | 2010-01-11 | Multi-water-source multi-way non-negative-pressure water supplying method and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669488A (en) * | 2013-11-30 | 2014-03-26 | 周敏 | Constant-pressure water supply tank |
| CN104695509A (en) * | 2015-03-27 | 2015-06-10 | 徐宗立 | Multipurpose expansion tank |
| CN105196686A (en) * | 2015-09-05 | 2015-12-30 | 贵州西牛王印务有限公司 | Pressurized water supplying system for circulation of fountain solution of printer |
| CN105421524A (en) * | 2015-11-30 | 2016-03-23 | 江苏海祥环保工程有限公司 | Greening water-supply frequency conversion device |
| CN106948419A (en) * | 2017-05-04 | 2017-07-14 | 福州百特节能科技有限公司 | Automatic voltage regulation unsteady flow water tank |
-
2010
- 2010-01-11 CN CN 201010003793 patent/CN102121260A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669488A (en) * | 2013-11-30 | 2014-03-26 | 周敏 | Constant-pressure water supply tank |
| CN104695509A (en) * | 2015-03-27 | 2015-06-10 | 徐宗立 | Multipurpose expansion tank |
| CN105196686A (en) * | 2015-09-05 | 2015-12-30 | 贵州西牛王印务有限公司 | Pressurized water supplying system for circulation of fountain solution of printer |
| CN105421524A (en) * | 2015-11-30 | 2016-03-23 | 江苏海祥环保工程有限公司 | Greening water-supply frequency conversion device |
| CN106948419A (en) * | 2017-05-04 | 2017-07-14 | 福州百特节能科技有限公司 | Automatic voltage regulation unsteady flow water tank |
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Application publication date: 20110713 |