CN204626530U - Have stabilizing compensation ability and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations - Google Patents
Have stabilizing compensation ability and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations Download PDFInfo
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- CN204626530U CN204626530U CN201520326517.XU CN201520326517U CN204626530U CN 204626530 U CN204626530 U CN 204626530U CN 201520326517 U CN201520326517 U CN 201520326517U CN 204626530 U CN204626530 U CN 204626530U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
Stabilizing compensation ability that what the utility model related to have and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations, comprise constant-pressure compensation tank and variable frequency pump, the input of constant-pressure compensation tank is connected with city planting ductwork by connecting line, the output of constant-pressure compensation tank is connected with user's pipe network through variable frequency pump, also include bidirectional compensator, super-pressure chamber compensating tank and super-pressure storage pump, the input of bidirectional compensator is connected with the input of constant-pressure compensation tank, the output of bidirectional compensator is connected with user's pipe network, the compensation end of bidirectional compensator is connected through the input of super-pressure storage pump with super-pressure chamber compensating tank, the output of super-pressure chamber compensating tank is connected with the compensation end of bidirectional compensating tank, by this programme, solve the effective compensation water yield that traditional secondary pressurization supply equipment small flow pressure maintaining function provides less, water pump start and stop are frequent, voltage stabilizing function is not enough, the problem that discharge pressure changes greatly, and makes water system run safety and stability, energy-efficient more.
Description
Technical field
The utility model relates to a kind of supply equipment, particularly relate to a kind of have stabilizing compensation ability and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations.
Background technology
In the design process of water system, when the water yield of outdoor water supply pipe net, hydraulic pressure can not meet the water yield and the hydraulic demand of pipe network in house, secondary pressurized equipment need be set a water is promoted thus meets user's water demand.
Second pressure water supply equipment main in the market mainly contains: frequency-changing water supply device and non-negative pressure water-supply installation, specifically can supply according to project, condition is needed to match, but in actual application, still there is more problem and shortage part in above equipment, because pressure in the vacuum tank that the pressurized equipment port of export is arranged is only pressure needed for user's least favorable water distribution point, both total head pressure after pump, detected by reality, existing second pressure water supply equipment, the effective compensation water yield provided in small flow pressure maintaining function is less, low discharge supplies water the period, water pump start and stop are frequent, particularly night, this phenomenon is comparatively obvious, affect equipment water pump application life, voltage stabilizing function is not enough, and discharge pressure changes greatly.
Utility model content
In view of this, main purpose of the present utility model be to provide a kind of have stabilizing compensation ability and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations, pass through the technical program, can automatically adjust according to the changes in demand of the supply working conditions change of city planting ductwork and user's pipe network, under protection municipal ductwork pressure maintains the prerequisite of more than lowest service value all the time, at water supply flow peak period and water supply flow low-valley interval, all can ensure the requirement of user side to the water yield and hydraulic pressure, normal water supply, and can guarantee the long period residual quantity compensate function and night small flow pressure maintaining function.
The technical solution of the utility model be achieved in that a kind of have stabilizing compensation ability and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations, comprise constant-pressure compensation tank and variable frequency pump, the input of described constant-pressure compensation tank is connected with city planting ductwork by connecting line, the output of constant-pressure compensation tank is connected with user's pipe network through variable frequency pump, also include bidirectional compensator, super-pressure chamber compensating tank and super-pressure storage pump, the input of described bidirectional compensator is connected with the input of constant-pressure compensation tank, the output of bidirectional compensator is connected with user's pipe network, the compensation end of bidirectional compensator is connected through the input of super-pressure storage pump with super-pressure chamber compensating tank, the output of described super-pressure chamber compensating tank is connected with the compensation end of bidirectional compensating tank.
The connecting line that city planting ductwork is connected is provided with without vacuum flow amount controller and pressure sensor, is describedly electrically connected mutually respectively by wire and controller with pressure sensor without vacuum flow amount controller.
The connecting pipeline that described super-pressure chamber compensating tank is connected with the compensation end of bidirectional compensator is provided with electromagnetic relief pressure valve.
Adopt the beneficial effect after technique scheme to be: a kind of have stabilizing compensation ability and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations, to traditional secondary pressurization supply equipment analysis and summary, by the technical program, solve the effective compensation water yield that traditional secondary pressurization supply equipment small flow pressure maintaining function provides less; Water pump start and stop are frequent; Voltage stabilizing function is not enough, the problem that discharge pressure changes greatly, and makes water system run safety and stability, energy-efficient more.
Accompanying drawing illustrates:
Fig. 1 is overall structure schematic diagram of the present utility model.
Wherein, 1 constant-pressure compensation tank, 2 variable frequency pumps, 3 connecting lines, 4 city planting ductworks, 5 user's pipe networks, 6 bidirectional compensators, 7 super-pressure chamber compensating tanks, 8 super-pressure storage pumps, 9 without vacuum flow amount controller, 10 pressure sensors, 11 wires, 12 controllers, 13 electromagnetic relief pressure valves.
Detailed description of the invention
Below in conjunction with accompanying drawing, concrete technical scheme of the present utility model is elaborated further.
As shown in Figure 1, stabilizing compensation ability that what the utility model related to have and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations, comprise constant-pressure compensation tank 1 and variable frequency pump 2, the input of described constant-pressure compensation tank 1 is connected with city planting ductwork 4 by connecting line 3, the output of constant-pressure compensation tank 1 is connected with user's pipe network 5 through variable frequency pump 2, also include bidirectional compensator 6, super-pressure chamber compensating tank 7 and super-pressure storage pump 8, the input of described bidirectional compensator 6 is connected with the input of constant-pressure compensation tank 1, the output of bidirectional compensator 6 is connected with user's pipe network 5, the compensation end of bidirectional compensator 6 is connected through the input of super-pressure storage pump 8 with super-pressure chamber compensating tank 7, the output of described super-pressure chamber compensating tank 7 is connected with the compensation end of bidirectional compensating tank 1.
The connecting line 3 that city planting ductwork 4 is connected is provided with without vacuum flow amount controller 9 and pressure sensor 10, is describedly electrically connected mutually respectively by wire 1 and controller 12 with pressure sensor 10 without vacuum flow amount controller 9.
The connecting pipeline 3 that described super-pressure chamber compensating tank 7 is connected with the compensation end of bidirectional compensator 6 is provided with electromagnetic relief pressure valve 13.
The utility model is when normal discharge water supply work, city planting ductwork 4 working condition is good, carry out water pressure and the water yield is all guaranteed, now city planting ductwork 4 water, by without vacuum flow amount controller 9, after variable frequency pump 2 pressurizes, user's pipe network 5 is supplied after wherein a road enters constant-pressure compensation tank 1, another road is through the input of bidirectional compensator 6, in the process, while guarantee user pipe network 5 normal water supply, bidirectional compensator 6 is communicated with super-pressure chamber storage pump 8 and is again squeezed in super-pressure chamber compensating tank 7 by water after adherence pressure.
The utility model is when with discharge peak activity, city planting ductwork 4 carrys out water pressure and occurs short-time fluctuations, controller 12 is by pressure sensor 10 collection signal and make analysis, and control to reduce the water withdrawal of equipment by city planting ductwork 4 without vacuum flow amount controller 9, the control compensation end of bidirectional compensator 6 and the input of bidirectional compensator 6 are conducted simultaneously, super-pressure chamber compensating tank 7 is by after electromagnetic relief pressure valve 13, the residual quantity of carrying out continuous and effective through bidirectional compensator 6 pairs of constant-pressure compensation tanks 1 compensates, thus make up the deficiency of city planting ductwork 4 water withdrawal, greatly improve equipment residual quantity compensation ability.
The utility model is when low discharge water conservancy project is done, it is the low discharge water time at night, in equipment, variable frequency pump 2 quits work, controller 12 manipulates the compensation end of bidirectional compensator 6 and the output conducting of bidirectional compensator 6, super-pressure chamber compensating tank 7 is communicated with user's pipe network 5, the water yield that compensating tank 7 pairs of user's pipe networks in super-pressure chamber carry out continuous and effective compensates, and meets user's low discharge water demand, great raising equipment small flow pressure maintaining function.
In the utility model, super-pressure chamber compensating tank 7 is the liner type compensating tanks adopting prior art, and in this not go into detail.
The above, be only the preferred embodiment of utility model, be not intended to limit this practicality new protection domain.
Claims (3)
1. one kind have stabilizing compensation ability and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations, comprise constant-pressure compensation tank and variable frequency pump, the input of described constant-pressure compensation tank is connected with city planting ductwork by connecting line, the output of constant-pressure compensation tank is connected with user's pipe network through variable frequency pump, it is characterized in that, include bidirectional compensator, super-pressure chamber compensating tank and super-pressure storage pump, the input of described bidirectional compensator is connected with the input of constant-pressure compensation tank, the output of bidirectional compensator is connected with user's pipe network, the compensation end of bidirectional compensator is connected through the input of super-pressure storage pump with super-pressure chamber compensating tank, the output of described super-pressure chamber compensating tank is connected with the compensation end of bidirectional compensating tank.
2. according to claim 1 have stabilizing compensation ability and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations, it is characterized in that, the connecting line that city planting ductwork is connected is provided with without vacuum flow amount controller and pressure sensor, is describedly electrically connected mutually respectively by wire and controller with pressure sensor without vacuum flow amount controller.
3. according to claim 1 have stabilizing compensation ability and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations, it is characterized in that, the connecting pipeline that described super-pressure chamber compensating tank is connected with the compensation end of bidirectional compensator is provided with on connecting line that city planting ductwork is connected and is provided with electromagnetic relief pressure valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520326517.XU CN204626530U (en) | 2015-05-20 | 2015-05-20 | Have stabilizing compensation ability and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520326517.XU CN204626530U (en) | 2015-05-20 | 2015-05-20 | Have stabilizing compensation ability and night small flow pressure maintaining function two cavate non-negative pressure water-supply installations |
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| CN204626530U true CN204626530U (en) | 2015-09-09 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756131A (en) * | 2016-04-22 | 2016-07-13 | 无锡康宇水处理设备有限公司 | Hydraulic control device of water supply equipment |
| CN105756137A (en) * | 2016-04-22 | 2016-07-13 | 无锡康宇水处理设备有限公司 | Steady flow compensation system of water supply equipment |
| CN106436839A (en) * | 2016-04-22 | 2017-02-22 | 无锡康宇水处理设备有限公司 | Multi-tank integrated type water supply equipment |
| CN109930661A (en) * | 2017-12-15 | 2019-06-25 | 上海威派格智慧水务股份有限公司 | Double tank body raising frequency pressure maintaining non-negative pressure water-supply devices and its method of supplying water |
| CN110173021A (en) * | 2019-06-17 | 2019-08-27 | 上海威派格智慧水务股份有限公司 | A kind of frequency conversion pressurization dedicated pressurization energy storage equipment of supply equipment |
| CN110185094A (en) * | 2019-05-21 | 2019-08-30 | 上海威派格智慧水务股份有限公司 | It is a kind of list tank body add water tank type structure without negative pressure secondary water supply |
| CN110565749A (en) * | 2019-08-23 | 2019-12-13 | 上海威派格智慧水务股份有限公司 | Frequency conversion pressurization water supply equipment |
| CN111236364A (en) * | 2020-01-16 | 2020-06-05 | 辽宁中霖供水科技有限公司 | Voltage stabilization compensation equipment |
-
2015
- 2015-05-20 CN CN201520326517.XU patent/CN204626530U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756131A (en) * | 2016-04-22 | 2016-07-13 | 无锡康宇水处理设备有限公司 | Hydraulic control device of water supply equipment |
| CN105756137A (en) * | 2016-04-22 | 2016-07-13 | 无锡康宇水处理设备有限公司 | Steady flow compensation system of water supply equipment |
| CN106436839A (en) * | 2016-04-22 | 2017-02-22 | 无锡康宇水处理设备有限公司 | Multi-tank integrated type water supply equipment |
| CN109930661A (en) * | 2017-12-15 | 2019-06-25 | 上海威派格智慧水务股份有限公司 | Double tank body raising frequency pressure maintaining non-negative pressure water-supply devices and its method of supplying water |
| CN110185094A (en) * | 2019-05-21 | 2019-08-30 | 上海威派格智慧水务股份有限公司 | It is a kind of list tank body add water tank type structure without negative pressure secondary water supply |
| CN110173021A (en) * | 2019-06-17 | 2019-08-27 | 上海威派格智慧水务股份有限公司 | A kind of frequency conversion pressurization dedicated pressurization energy storage equipment of supply equipment |
| CN110565749A (en) * | 2019-08-23 | 2019-12-13 | 上海威派格智慧水务股份有限公司 | Frequency conversion pressurization water supply equipment |
| CN111236364A (en) * | 2020-01-16 | 2020-06-05 | 辽宁中霖供水科技有限公司 | Voltage stabilization compensation equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210316 Address after: 201800 No. 1 Changchang Road, Jiading District, Shanghai Patentee after: WPG (SHANGHAI) SMART WATER PUBLIC Co.,Ltd. Address before: 102615 No. 1, business road, long Zi Ying Town, Daxing District, Beijing Patentee before: BEIJING WAPWPG TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |