CN203452130U - Non-negative-pressure secondary water supply system - Google Patents
Non-negative-pressure secondary water supply system Download PDFInfo
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- CN203452130U CN203452130U CN201320509925.XU CN201320509925U CN203452130U CN 203452130 U CN203452130 U CN 203452130U CN 201320509925 U CN201320509925 U CN 201320509925U CN 203452130 U CN203452130 U CN 203452130U
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- water
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- negative pressure
- pipeline
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The utility model provides a non-negative-pressure secondary water supply system and is used for solving the problems that when the water supply pressure of a municipal pipe network is insufficient, a secondary pressurizing water pump possibly forms negative pressure on the municipal pipe network and pumps water from the municipal pipe network. The structure of the non-negative-pressure secondary water supply system comprises a water-in pipeline, a pressurizing device, a user water supply pipeline, pressure sensing devices, a controller, a backflow preventer and a constant flow compensator, wherein the water-in pipeline is connected with the municipal pipe network, and a water-in control valve is arranged on the water-in pipeline; the pressurizing device is used for pressurizing water from the municipal pipe network; after the user water supply pipeline is connected to the pressurizing device, a water-out control valve is arranged on the user water supply pipeline; the pressure sensing devices are respectively arranged on the user water supply pipeline and the water-in pipeline and used for monitoring water pressure in monitored pipelines; the work state of the pressurizing device is controlled by the controller according to signals from the pressure sensing devices; the backflow preventer is arranged on the water-in pipeline and used for preventing water in a user pipe network from flowing back to the municipal pipe network; after the constant flow compensator is arranged on the backflow preventer, the constant flow compensator can serve as a tank body capable of storing little water, and a vacuum inhibitor is arranged at the top end of the constant flow compensator.
Description
Technical field
The utility model relates to supply equipment field, refers to especially a kind of without negative pressure secondary water system.
Background technology
The secondary water-supply unit of referring to or individual supply water city public water supply or self-built facility through storing, pressurizeing, and by pipeline, supply user or personal form again, are the only selection modes of current high-floor feedwater.The quality whether secondary water-supply facility is built in accordance with regulations, designs and built is directly connected to secondary water-supply water quality, hydraulic pressure and water supply security, closely related with the normal stable life of the people.
The principle of modern supply equipment is exactly by the pressurization of secondary pressurized water pump, pressure of supply water further to be risen to and can be met on entire building space on the desired pressure of every water demand on the basis of the municipal network of rivers or storage tank (pond).
Existing technology generally can be divided into two kinds of water supply schemes: cistern water supply and pipe network superimposed water supply.
1, cistern water supply scheme is: user's pipe network of building with the pipe network of municipal water supply without being directly connected.Intermediate link is the water tank (pond) of a limiting water level, when municipal water supply makes the water level of water tank (pond) rise to certain limit, water level switch can be closed municipal water supply automatically, and when water level drops to the water level lower limit of water tank, water level switch can be opened recovery municipal water supply automatically.And on user's pipe network, pressure pump is water and the pressure of supply water from constantly drawing water in water tank and consuming when the water with replenish user directly.Generally that twenty four hours uninterruptedly supplies water.The intermittent replacement of water pump used.Its basic structure is as follows:
City planting ductwork → water tank (pond) → secondary pressing pump group → user pipe network → user
2, pipe network superimposed water supply: user's pipe network of building is directly connected by secondary pressurized water pump with the pipe network of municipal water supply, and secondary water-supply is not exposed to airborne part, the water that secondary pressing pump directly extracts in city planting ductwork is supplied with building user use.Its pump group continues pressurization and supplies water on city planting ductwork pressure of supply water, and its pressure of supply water can be reached on the desired pressure of the every water demand of entire building space.Its basic structure is as follows:
City planting ductwork → secondary pressing pump group → user pipe network → user
Appealing two kinds of water supply schemes is the nearly early stage water supply scheme generally adopting; Wherein water tank (pond) water supply scheme, when city planting ductwork water supply does not reach water requirements, can alleviate the pressure of user's water to city planting ductwork, also can above guarantee that user's water demand is met a period of time simultaneously.When but water tank (pond) supplies water, need 24 hours uninterrupted water supply, the water pump discontinuous operation time is longer, of long duration can make the overtired phenomenon that causes water pump premature aging of water pump, and pressure when it has wasted municipal water supply need to select more powerful water pump to carry out assure feed water when selecting water pump.And water in water tank is exposed in air, of long duration can not shelter evil people and countenance evil practices unavoidably, the microbial contamination water quality such as breed bacteria form the secondary pollution to water.
With respect to cistern water supply mode, pipe network superimposed water supply is direct access user pipe network from city planting ductwork, and the water in pipe network generally can not contact with air, and the probability of its secondary pollution is very little.But it needs within 24 hours, supply water equally, not tired not the alleviating to water pump, and also when municipal water supply insufficient pressure, secondary pressurized water pump may form negative pressure to city planting ductwork, extracts the water on city planting ductwork, and this is definitely unallowed.
Utility model content
In order to address the above problem, it is a kind of without negative pressure secondary water system that the utility model provides, solved secondary pressurized water pump when municipal water supply insufficient pressure and may form negative pressure to city planting ductwork, extracted the problem of the water on city planting ductwork, the water system of safety and stability is more provided; And further reduced the working time of water booster system, extended the application life of water booster system.
Constant pressure frequency conversion pump group of the present utility model is achieved in that
Without a negative pressure secondary water system, comprising:
Inlet channel, connects city planting ductwork, is provided with water inlet control valve on it;
Backflow preventer, is located on inlet channel, in order to prevent that the aqueous reflux of user's pipe network from returning city planting ductwork;
Steady flow compensator, is located at the downstream position of backflow preventer, is a tank body for water on a small quantity, and for water, its top is provided with vacuum suppresser, in order to stablize the hydraulic pressure in pipeline;
Water booster system, pressurizes for the water to from city planting ductwork;
User's water supply line, after being connected in water booster system, which is provided with outlet water control valve;
Pressure sensor device, it is located at respectively on user's water supply line and inlet channel, for monitoring the hydraulic pressure in pipeline;
Control device, it is according to the duty of the signal controlling water booster system from pressure sensor device.
Described water booster system is variable frequency pump group, and it at least comprises two groups of variable frequency pumps.
The conduit region two ends that every group of variable frequency pump pressurizes are respectively equipped with control valve, as stainless steel welding butterfly valve etc.And by rubber soft joint, connect with being connected between the pipeline of control valve through the current zone duct after variable frequency pump pressurization.
Above-mentioned variable frequency pump group preferably includes two to four groups of variable frequency pumps.Above-mentioned pressure sensor device can be distance-transmission pressure gauge.
As to the technical program improvement, at the downstream position of water booster system, be also provided with energy storage equipment, for the water to through water booster system pressurization, carry out pressurize.
Above-mentioned control device is frequency-conversion control cabinet, and it receives from the hydraulic pressure data of pressure sensor device and judges, controls the duty of water booster system according to judged result.
As to the technical program improvement, on inlet channel, be also provided with purifier, in order to the water in pipeline is purified before secondary pressurized.
Above-mentioned purifier can be y-type filter, in order to impurity screening.
Operating principle: the water process water inlet control valve that city planting ductwork goes out, purifier are as y-type filter (optional), backflow preventer arrival steady flow compensator, again by water booster system pressurization, can meet user's needs with guarantee to supply water after secondary pressurized lift and flow, then pass through energy storage equipment (optional) and supply with user's pipe network.
Pressure sensor device during water supply on pipe network such as distance-transmission pressure gauge etc. constantly sends pressure signal to control device, and control device regulates the duty of water booster system again according to the pressure of pipe network.
Below the control procedure of control device is illustrated:
(a), when system pressure is in a relatively constant pressure, and pressure is during higher than pressurize value, illustrate that user is water supply volume is very little during this period of time, control device can provide the signal of cutting out water booster system, close water booster system and change by energy storage equipment pressurize, provide user's pipe network required pressure.
(b), the force value that is less than pressurize when the pressure of user's pipe network is while being greater than preset value again, control device provides the impressed power of corresponding Signal Regulation water booster system, in assure feed water pressure, reduces energy consumption.
(c), when pressure is less than or equal to preset value, control device can normal start water booster system, water booster system is in normal operating conditions, system normal water supply.
Pressure sensor device in city planting ductwork water inlet, the pressure of its test city planting ductwork, and signal is passed to control device, after processing via control device, its duty is divided into five kinds:
(1), when municipal water supply pressure is during higher than setting pressure 0.25Mpa, by normal water supply pressure water supply.
(2), when water system generation emergency case causes municipal water supply pressure lower than setting pressure 0.25Mpa, control system by automatically reduce water booster system power reduction water supply flow and same alarm; As when reducing water supply flow pressure and still can not recover, vacuum suppresser is opened with atmosphere and communicated, now way of supplying water is that normal pressure supplies water, when the water level in steady flow compensator drops to the water level of setting, and system autostop.
(3), when equipment water supply flow and pressure meet design load, system is normally moved.
(4), when water supply flow is greater than while setting flow, control device will reduce the power of water booster system automatically, to reduce the same alarm of water supply flow.
(5), when pressure of supply water is greater than setting pressure, control device by the power that automatically reduces water booster system to reduce the same alarm of pressure of supply water, when pressure of supply water is greater than setting pressure 0.1Mpa, system autostop.
In sum, of the present utility model without negative pressure secondary water system owing to having set up backflow preventer and steady flow compensator, solved the problem that secondary pressurized water pump when municipal water supply insufficient pressure may form to city planting ductwork negative pressure, extract the water on city planting ductwork, the water system of safety and stability is more provided; And owing to having set up energy storage equipment, further reduced the working time of water booster system, extended the application life of water booster system.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structural representation without negative pressure secondary water system of the utility model;
In figure: 11-inlet channel; 12-user's water supply line; 21-water inlet control valve; 22-outlet water control valve; 3-energy storage equipment; 4-control device; 5-pressure sensor device; 6-water booster system; 61-variable frequency pump; 7-purifier; 8-backflow preventer; 9-steady flow compensator; 91-vacuum suppresser.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, of the present utility model without negative pressure secondary water system, comprising:
Inlet channel 11, connects city planting ductwork, is provided with water inlet control valve 21 on it; Backflow preventer 8, is located on inlet channel 11, in order to prevent that the aqueous reflux of user's pipe network from returning city planting ductwork; Steady flow compensator 9, is located at the downstream position of backflow preventer 8, is a tank body for water on a small quantity, and its top is provided with vacuum suppresser 91, in order to stablize the hydraulic pressure in pipeline; Water booster system 6, pressurizes for the water to from city planting ductwork; User's water supply line 12, after being connected in water booster system 6, which is provided with outlet water control valve 22; Pressure sensor device 5, it is located at respectively on user's water supply line 12 and inlet channel 11, for monitoring the hydraulic pressure in pipeline; Control device 4, it is according to the duty of the signal controlling water booster system 6 from pressure sensor device 5.
The above water booster system 6 is variable frequency pump group, and it at least comprises two groups of variable frequency pumps 61.
The conduit region two ends that every group of variable frequency pump 61 pressurizes are respectively equipped with control valve (not shown on figure), as stainless steel welding butterfly valve etc.And the current zone duct after variable frequency pump 61 pressurization connects by rubber soft joint with being connected between the pipeline of control valve.
Above-mentioned variable frequency pump group preferably includes two to four groups of variable frequency pumps.
Above-mentioned pressure sensor device 5 can be distance-transmission pressure gauge.
Downstream position at water booster system is also provided with energy storage equipment 3, for the water to through water booster system 6 pressurizations, carries out pressurize.
Above-mentioned control device 4 is frequency-conversion control cabinet, and it receives from the hydraulic pressure data of pressure sensor device 5 and judges, controls the duty of water booster system 6 according to judged result.
On inlet channel 11, be also provided with purifier 7, in order to the water in pipeline is purified before secondary pressurized.
Above-mentioned purifier 7 can be y-type filter, in order to impurity screening.
Operating principle: the water process water inlet control valve 12 that city planting ductwork goes out, purifier 7 are as y-type filter (optional), backflow preventer 8 arrival steady flow compensator 9, again by water booster system 6 pressurization, can meet user's needs with guarantee to supply water after secondary pressurized lift and flow, then it is optional to pass through energy storage equipment 3() supply with user's pipe network.
Pressure sensor device 5 such as distance-transmission pressure gauge during water supply on pipe network etc. constantly sends pressure signal to control device 4, and control device 4 regulates the duty of water booster system 6 again according to the pressure of pipe network.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. without a negative pressure secondary water system, comprising:
Water booster system, pressurizes for the water to from city planting ductwork;
Pressure sensor device, it is located at respectively on user's water supply line and inlet channel, for monitoring the hydraulic pressure in pipeline;
Control device, it is according to the duty from water booster system described in the signal controlling of described pressure sensor device;
On described user's water supply line and described inlet channel, be respectively equipped with water flow control valve;
It is characterized in that: also have
Backflow preventer, is located on described inlet channel, in order to prevent that the aqueous reflux of user's pipe network from returning city planting ductwork;
Steady flow compensator, is located at the downstream position of described backflow preventer, and for water, its top is provided with vacuum suppresser.
2. according to claim 1 without negative pressure secondary water system, it is characterized in that: described water booster system is variable frequency pump group, it at least comprises two groups of variable frequency pumps.
3. according to claim 2 without negative pressure secondary water system, it is characterized in that: the conduit region two ends that described in every group, variable frequency pump pressurizes are respectively equipped with control valve.
4. according to claim 3 without negative pressure secondary water system, it is characterized in that: described control valve is stainless steel welding butterfly valve.
5. according to claim 3 without negative pressure secondary water system, it is characterized in that: through the current zone duct after variable frequency pump pressurization, by rubber soft joint, connect with being connected between the pipeline of control valve.
6. according to claim 1 without negative pressure secondary water system, it is characterized in that: described pressure sensor device is distance-transmission pressure gauge.
7. according to claim 1 without negative pressure secondary water system, it is characterized in that: be also provided with energy storage equipment, be located at the downstream position of described water booster system, for the water to through described water booster system pressurization, carry out pressurize.
8. according to claim 1 without negative pressure secondary water system, it is characterized in that: described control device is frequency-conversion control cabinet, it receives from the hydraulic pressure data of described pressure sensor device and judges, controls the duty of described water booster system according to judged result.
9. according to claim 1 without negative pressure secondary water system, it is characterized in that: on described inlet channel, be also provided with purifier, in order to the water from city planting ductwork is purified before secondary pressurized.
10. according to claim 9 without negative pressure secondary water system, it is characterized in that: described purifier is y-type filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509925.XU CN203452130U (en) | 2013-08-20 | 2013-08-20 | Non-negative-pressure secondary water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509925.XU CN203452130U (en) | 2013-08-20 | 2013-08-20 | Non-negative-pressure secondary water supply system |
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| Publication Number | Publication Date |
|---|---|
| CN203452130U true CN203452130U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320509925.XU Expired - Fee Related CN203452130U (en) | 2013-08-20 | 2013-08-20 | Non-negative-pressure secondary water supply system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018551A (en) * | 2014-05-30 | 2014-09-03 | 葫芦岛双泉水暖设备有限公司 | Pressure-superposed water supply device |
| CN105205731A (en) * | 2015-09-28 | 2015-12-30 | 移康智能科技(上海)有限公司 | Dynamic booster pump water pressure controlling method and booster pump |
| WO2018102939A1 (en) * | 2016-12-05 | 2018-06-14 | 王彩霞 | Prefabricated pump station for tap water pressurization |
| CN111738457A (en) * | 2020-05-12 | 2020-10-02 | 中国兵器科学研究院 | Method and equipment for determining maintenance of urban water supply pipe network |
| CN116607601A (en) * | 2023-05-25 | 2023-08-18 | 杭州翱朝科技有限公司 | Urban water supply and drainage intelligent collaborative management control system |
-
2013
- 2013-08-20 CN CN201320509925.XU patent/CN203452130U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018551A (en) * | 2014-05-30 | 2014-09-03 | 葫芦岛双泉水暖设备有限公司 | Pressure-superposed water supply device |
| CN105205731A (en) * | 2015-09-28 | 2015-12-30 | 移康智能科技(上海)有限公司 | Dynamic booster pump water pressure controlling method and booster pump |
| CN105205731B (en) * | 2015-09-28 | 2019-06-04 | 移康智能科技（上海）股份有限公司 | A kind of booster pump hydraulic pressure dynamic management-control method and booster pump |
| WO2018102939A1 (en) * | 2016-12-05 | 2018-06-14 | 王彩霞 | Prefabricated pump station for tap water pressurization |
| CN111738457A (en) * | 2020-05-12 | 2020-10-02 | 中国兵器科学研究院 | Method and equipment for determining maintenance of urban water supply pipe network |
| CN111738457B (en) * | 2020-05-12 | 2021-03-23 | 中国兵器科学研究院 | Method and equipment for determining maintenance of urban water supply pipe network |
| CN116607601A (en) * | 2023-05-25 | 2023-08-18 | 杭州翱朝科技有限公司 | Urban water supply and drainage intelligent collaborative management control system |
| CN116607601B (en) * | 2023-05-25 | 2023-11-10 | 杭州翱朝科技有限公司 | Urban water supply and drainage intelligent collaborative management control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING TONGLI HUASHENG ENVIRONMENTAL PROTECTION W Free format text: FORMER NAME: BEIJING TONGLI HUASHENG ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: The 100070 Beijing Seahawks Fengtai District Science City Road No. 8 Building No. 1 room 512 (Park) Patentee after: BEIJING TONGLI HUASHENG ENVIRONMENTAL PROTECTION WATER SUPPLY SCIENCE & TECHNOLOGY CO., LTD. Address before: The 100070 Beijing Seahawks Fengtai District Science City Road No. 8 Building No. 1 room 403-1 Patentee before: Beijing Tongli Huasheng Environmental Protection Science and Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: The 100070 Beijing Seahawks Fengtai District Science City Road No. 8 Building No. 1 room 512 (Park) Patentee after: Beijing Tiandi sun and moon environmental protection water supply Polytron Technologies Inc Address before: The 100070 Beijing Seahawks Fengtai District Science City Road No. 8 Building No. 1 room 512 (Park) Patentee before: BEIJING TONGLI HUASHENG ENVIRONMENTAL PROTECTION WATER SUPPLY SCIENCE & TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20190820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |