CN205100295U - Urban water supply system - Google Patents
Urban water supply system Download PDFInfo
- Publication number
- CN205100295U CN205100295U CN201520809299.5U CN201520809299U CN205100295U CN 205100295 U CN205100295 U CN 205100295U CN 201520809299 U CN201520809299 U CN 201520809299U CN 205100295 U CN205100295 U CN 205100295U
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- Prior art keywords
- water
- pipeline
- variable frequency
- arm
- branch pipe
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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
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Abstract
The utility model provides an urban water supply system, including consecutive first pipeline, constant flow compensator, second pipeline, variable frequency pump group and third pipeline, be equipped with water inlet control valve, Y type filter, backflow preventer, chlorine residue on -line monitoring device and flow controller on the first pipeline, last vacuum suppression device and the discharge opening of being equipped with of constant flow compensator, draw forth first branch pipe and second branch pipe on the second pipeline respectively, be connected with drinking water ultraviolet disinfector between first branch pipe and the second branch pipe, be equipped with the branch pipe valve on first branch pipe and/or the second branch pipe, be equipped with the second valve on the second pipeline between first branch pipe and the second branch pipe, be equipped with water control valve on the third pipeline, variable frequency pump group, chlorine residue on -line monitoring device, flow controller, vacuum suppression device, drinking water ultraviolet disinfector are connected with no negative pressure variable frequency control cabinet electricity. The utility model discloses incessant assurance is carried out to quality of water to the chlorine residue concentration of real -time supervision municipal administration water.
Description
Technical field
The utility model relates to municipal network water supply technical field, specifically a kind of water-supply systems.
Background technology
Existing water-supply systems, municipal administration water directly supplies user after the equipment of building itself stores pressurization, municipal administration water is in order to ensure water quality not by germ contamination, disinfectant is added before municipal water dispatches from the factory, ensure the contents of residual chlorine of pipe network end, but because municipal grid distance is far away especially, contents of residual chlorine in the remote water supply pipe had is in the critical point of standard, after pipe network Pressure-superposed water supply equipment (being yet the called non-negative pressure water-supply installation) pressurization of building itself, contents of residual chlorine does not reach codes and standards so again, possible environment is provided to ducted bacteria breed, hidden danger is caused to water supply security.
When city planting ductwork insufficient water or user's water supply volume are greater than city planting ductwork supply capacity, in city planting ductwork, vacuum can be produced.Conventional vacuum suppresses system Main Function to be prevent from producing negative pressure to the municipal network water supply in domestic water supplying system, impacts periphery water unit.Modal vacuum suppresses system to be mechanical float-ball type air breather, and realize by communicating with air, its shortcoming is that air itself is also a kind of pollution sources, theory significance is also the hidden danger that there is secondary pollution.
Utility model content
The utility model proposes a kind of water-supply systems, to solve in prior art nitrogen content more than water supply network end not enough and produce water supply hidden danger, vacuum suppresses system to there is the problem of secondary pollution.
The technical solution of the utility model is achieved in that
A kind of water-supply systems, comprise the first pipeline, steady flow compensator, second pipe, variable frequency pump group, the 3rd pipeline and non-negative-pressure variable frequency switch board; Described first pipeline, steady flow compensator, second pipe, variable frequency pump group are connected successively with the 3rd pipeline; Described variable frequency pump group is electrically connected with described non-negative-pressure variable frequency switch board;
Described first pipeline is provided with water inlet control valve, y-type filter, backflow preventer, chlorine residue on-Line Monitor Device and flow control valve, and described chlorine residue on-Line Monitor Device and flow control valve are electrically connected with described non-negative-pressure variable frequency switch board;
Described steady flow compensator is provided with vacuum eliminating device and discharge opening, and described vacuum eliminating device is electrically connected with described non-negative-pressure variable frequency switch board;
Described second pipe is drawn respectively the first arm and the second arm, be connected with ultraviolet ray disinfector between described first arm and the second arm, described ultraviolet ray disinfector is electrically connected with described non-negative-pressure variable frequency switch board; Described first arm and/or the second arm are provided with arm valve, and the second pipe between described first arm and the second arm is provided with the second valve;
Described 3rd pipeline is provided with outlet water control valve.
Further, described first pipeline is provided with the first pressure sensor, and described 3rd pipeline is provided with the 3rd pressure sensor, and described first pressure sensor and the 3rd pressure sensor are electrically connected with described non-negative-pressure variable frequency switch board respectively.
Further, described vacuum eliminating device comprises gas storage device and the charge delivery mechanism for carrying out gas transport between gas storage device and steady flow compensator; Nitrogen is loaded with in described gas storage device.
Further, described gas storage device is fixed in described steady flow compensator, and described charge delivery mechanism is positioned at described gas storage device inside and is communicated with described steady flow compensator.
Further, described charge delivery mechanism comprises pressure balance appendix, and one end of described pressure balance appendix is air inlet port, and the other end is communicated with described steady flow compensator, and described pressure balance appendix is provided with by-pass valve control.
Further, described air inlet port place is provided with horn-like collection mouth.
Further, described by-pass valve control is electromagnetic valve, and described electromagnetic valve is electrically connected with described non-negative-pressure variable frequency switch board.
Further, described gas storage device is provided with inflation inlet.
Further, Flange joint is passed through between described gas storage device and described steady flow compensator.
The beneficial effects of the utility model are:
The residual chlorine concentration of Real-Time Monitoring municipal administration water, carries out continual guarantee to water quality; Whole system controls simple, and result of use is good; Ultraviolet ray disinfector only just can be opened when residual chlorine concentration does not reach requirement, has saved electric energy to a certain extent, also extends the life-span of ultraviolet ray disinfector simultaneously; Ultraviolet ray disinfector belongs to physical disinfection, no coupling product, safe and sanitary.
The vacuum eliminating device adopted is isolated from the outside when running completely, stops secondary pollution; Ensure the totally-enclosed operation of a complete set of equipment; Do not need maintaining at ordinary times, within 2 years, fill a nitrogen, do not affect normal water supply.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment.
Wherein:
1, the first pipeline; 2, water inlet control valve; 3, y-type filter; 4, backflow preventer; 5, the first pressure sensor; 6, chlorine residue on-Line Monitor Device; 7, flow control valve; 8, steady flow compensator; 9, vacuum eliminating device; 10, discharge opening; 11, second pipe; 12, the second valve; 13, the first arm; 14, the second arm; 15, ultraviolet ray disinfector; 16, arm valve; 17, variable frequency pump group; 18, the 3rd pressure sensor; 19, outlet water control valve; 20, non-negative-pressure variable frequency switch board; 21, gas storage device; 22, pressure balance appendix; 23, by-pass valve control; 24, horn-like collection mouth; 25, the 3rd pipeline.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, water-supply systems in the present embodiment, comprise the first pipeline 1, steady flow compensator 8, second pipe 11, variable frequency pump group 17, the 3rd pipeline 25 and non-negative-pressure variable frequency switch board 20, wherein the first pipeline 1, steady flow compensator 8, second pipe 11, variable frequency pump group 17 are connected successively with the 3rd pipeline 25, and variable frequency pump group 17 is electrically connected with non-negative-pressure variable frequency switch board 20.
Wherein, the first pipeline 1 is provided with water inlet control valve 2, y-type filter 3, backflow preventer 4, chlorine residue on-Line Monitor Device 6 and flow control valve 7, and chlorine residue on-Line Monitor Device 6 and flow control valve 7 are electrically connected with non-negative-pressure variable frequency switch board 20.
Wherein, steady flow compensator 8 is provided with vacuum eliminating device 9 and discharge opening 10, and vacuum eliminating device 9 is electrically connected with non-negative-pressure variable frequency switch board 20.
Wherein, second pipe 11 drawn respectively the first arm 13 and be connected with ultraviolet ray disinfector 15 between the second arm 14, first arm 13 and the second arm 14, ultraviolet ray disinfector 15 is electrically connected with non-negative-pressure variable frequency switch board 20.In first arm 13 and the second arm 14, at least one is provided with arm valve 16, and in the present embodiment, the two second pipe 11 be all provided with between arm valve 16, first arm 13 and the second arm 14 is provided with the second valve 12.
Wherein, the 3rd pipeline 25 is provided with outlet water control valve 19.
In order to monitor ducted pressure condition, the first pipeline 1 being provided with the first pressure sensor 5, the 3rd pipeline 25 being provided with the 3rd pressure sensor 18, first pressure sensor 5 and the 3rd pressure sensor 18 is electrically connected with non-negative-pressure variable frequency switch board 20 respectively.
During work, when chlorine residue on-Line Monitor Device 6 monitors that in water, chlorine concentration meets the demands, such as during more than 0.05mg/L, municipal water supply enters from the first pipeline 1, by water inlet control valve 2, y-type filter 3, backflow preventer 4, chlorine residue on-Line Monitor Device 6, flow control valve 7, steady flow compensator 8, second pipe 11, second valve 12, variable frequency pump group 17, the 3rd pipeline 25 and outlet water control valve 19 to water user.When in the water that chlorine residue on-Line Monitor Device 6 monitors, chlorine concentration does not meet the demands, time such as lower than 0.05mg/L, non-negative-pressure variable frequency switch board 20 gives ultraviolet ray disinfector 15 signal, ultraviolet ray disinfector 15 is started working, second valve 12 is closed simultaneously, arm valve 16 is opened, and water returns second pipe 11 after second pipe 11 enters ultraviolet ray disinfector 15, carries out disinfection to water.Continual guarantee is carried out to water quality.The non-negative-pressure variable frequency switch board 20 that runs through of ultraviolet ray disinfector 15 controls, and just can open, saved electric energy to a certain extent when only having residual chlorine concentration not reach requirement, also extends the life-span of ultraviolet ray disinfector 15 simultaneously.Ultraviolet ray disinfector 15 belongs to physical disinfection, no coupling product, safe and sanitary.
In the present embodiment, vacuum eliminating device 9 comprises gas storage device 21 and the charge delivery mechanism for carrying out gas transport between gas storage device 21 and steady flow compensator 8, is loaded with nitrogen in gas storage device 21.
Gas storage device 21 is fixed in steady flow compensator 8 by flange (not shown), forms annular seal space between gas storage device 21 and steady flow compensator 8, and nitrogen is full of in sealing chamber.Charge delivery mechanism is positioned at gas storage device 21 inside and is communicated with steady flow compensator 8.In the present embodiment, charge delivery mechanism comprises pressure balance appendix 22, one end of pressure balance appendix 22 is air inlet port, and the other end welds together with steady flow compensator 8 and is communicated with steady flow compensator 8, and pressure balance appendix 22 is provided with by-pass valve control 23.
In order to better carry out gas collection, be provided with horn-like collection mouth 24 at air inlet port place.By-pass valve control 23 in the present embodiment is electromagnetic valve, and electromagnetic valve is electrically connected with non-negative-pressure variable frequency switch board 20, and electromagnetic valve controls to carry out folding by non-negative-pressure variable frequency switch board 20.After the nitrogen in gas storage device 21 tails off gradually, need to inflate gas storage device 21, therefore on gas storage device 21, be provided with inflation inlet (not shown), seal at this inflation inlet at ordinary times.
Vacuum eliminating device 9 course of work of the present embodiment is as follows: when municipal water pressure power is lower than 0.2MPa, in steady flow compensator 8, water level starts to decline, simultaneously outside non-negative-pressure variable frequency switch board 20 gives electromagnetic valve signal, electromagnetic valve is opened, nitrogen enters from horn-like collection mouth 24, adds in the middle of steady flow compensator 8 by pressure balance appendix 22, destroys the vacuum layer in steady flow compensator 8, closed electromagnetic valve, returns to normal water supply state; When municipal water pressure power is higher than 0.2MPa, in steady flow compensator 8, water level starts to rise, at this moment outside non-negative-pressure variable frequency switch board 20 gives electromagnetic valve signal, electromagnetic valve is opened, nitrogen enters gas storage device 21 from steady flow compensator 8 through pressure balance appendix 22, horn-like collection mouth 24, closed electromagnetic valve, returns to normal water supply state.
The present embodiment vacuum eliminating device 9 is isolated from the outside when running completely, and the medium of breaking vacuum is inert nitrogen gas, nontoxic, and colorless and odorless is water insoluble, stops secondary pollution; Ensure the totally-enclosed operation of a complete set of equipment.By Flange joint between gas storage device 21 and steady flow compensator 8, easy for installation.Safeguard simple, do not need maintaining at ordinary times, within 2 years, fill a nitrogen, do not affect normal water supply.
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 amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. water-supply systems, is characterized in that, comprise the first pipeline, steady flow compensator, second pipe, variable frequency pump group, the 3rd pipeline and non-negative-pressure variable frequency switch board; Described first pipeline, steady flow compensator, second pipe, variable frequency pump group are connected successively with the 3rd pipeline; Described variable frequency pump group is electrically connected with described non-negative-pressure variable frequency switch board;
Described first pipeline is provided with water inlet control valve, y-type filter, backflow preventer, chlorine residue on-Line Monitor Device and flow control valve, and described chlorine residue on-Line Monitor Device and flow control valve are electrically connected with described non-negative-pressure variable frequency switch board;
Described steady flow compensator is provided with vacuum eliminating device and discharge opening, and described vacuum eliminating device is electrically connected with described non-negative-pressure variable frequency switch board;
Described second pipe is drawn respectively the first arm and the second arm, be connected with ultraviolet ray disinfector between described first arm and the second arm, described ultraviolet ray disinfector is electrically connected with described non-negative-pressure variable frequency switch board; Described first arm and/or the second arm are provided with arm valve, and the second pipe between described first arm and the second arm is provided with the second valve;
Described 3rd pipeline is provided with outlet water control valve.
2. a kind of water-supply systems as claimed in claim 1, it is characterized in that, described first pipeline is provided with the first pressure sensor, described 3rd pipeline is provided with the 3rd pressure sensor, and described first pressure sensor and the 3rd pressure sensor are electrically connected with described non-negative-pressure variable frequency switch board respectively.
3. a kind of water-supply systems as claimed in claim 1 or 2, is characterized in that, described vacuum eliminating device comprises gas storage device and the charge delivery mechanism for carrying out gas transport between gas storage device and steady flow compensator; Nitrogen is loaded with in described gas storage device.
4. a kind of water-supply systems as claimed in claim 3, is characterized in that, described gas storage device is fixed in described steady flow compensator, and described charge delivery mechanism is positioned at described gas storage device inside and is communicated with described steady flow compensator.
5. a kind of water-supply systems as claimed in claim 4, it is characterized in that, described charge delivery mechanism comprises pressure balance appendix, and one end of described pressure balance appendix is air inlet port, the other end is communicated with described steady flow compensator, and described pressure balance appendix is provided with by-pass valve control.
6. a kind of water-supply systems as claimed in claim 5, is characterized in that, described air inlet port place is provided with horn-like collection mouth.
7. a kind of water-supply systems as claimed in claim 6, is characterized in that, described by-pass valve control is electromagnetic valve, and described electromagnetic valve is electrically connected with described non-negative-pressure variable frequency switch board.
8. a kind of water-supply systems as claimed in claim 7, is characterized in that, described gas storage device is provided with inflation inlet.
9. a kind of water-supply systems as claimed in claim 8, is characterized in that, pass through Flange joint between described gas storage device and described steady flow compensator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809299.5U CN205100295U (en) | 2015-10-19 | 2015-10-19 | Urban water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809299.5U CN205100295U (en) | 2015-10-19 | 2015-10-19 | Urban water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205100295U true CN205100295U (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520809299.5U Expired - Fee Related CN205100295U (en) | 2015-10-19 | 2015-10-19 | Urban water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205100295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088211A (en) * | 2016-08-11 | 2016-11-09 | 安徽海沃特水务股份有限公司 | A kind of monoblock type non-negative pressure water service system steady-flow tank and control method |
-
2015
- 2015-10-19 CN CN201520809299.5U patent/CN205100295U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088211A (en) * | 2016-08-11 | 2016-11-09 | 安徽海沃特水务股份有限公司 | A kind of monoblock type non-negative pressure water service system steady-flow tank and control method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20191019 |