CN103015489A - Differential pressure variable reservoir non-suction head double-purpose water supply system - Google Patents
Differential pressure variable reservoir non-suction head double-purpose water supply system Download PDFInfo
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- CN103015489A CN103015489A CN2012105336791A CN201210533679A CN103015489A CN 103015489 A CN103015489 A CN 103015489A CN 2012105336791 A CN2012105336791 A CN 2012105336791A CN 201210533679 A CN201210533679 A CN 201210533679A CN 103015489 A CN103015489 A CN 103015489A
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Abstract
A differential pressure variable reservoir non-suction head double-purpose water supply system, which relates to a water supply system, mainly comprises non-negative pressure secondary pressurization equipment, a commonly used reservoir, an emergency reservoir and disinfection equipment, the commonly used reservoir and the emergency reservoir are respectively connected with a municipal water supply pipeline through float valves, and are connected with each other through a connecting valve, the commonly used reservoir is connected with the municipal water supply pipeline through a connecting pipeline L3 with a high-head pump unit, the connecting pipeline L3 is connected in parallel with a connecting pipeline L1 and a connecting pipeline L2, and the rated flows of the high-head pump unit and a low-head pump unit are equal. The differential pressure variable reservoir non-suction head double-purpose water supply system is mainly based on a non-negative pressure secondary pressurization unit, and is provided with the water-reserving water supply mode composed of the commonly used reservoir and the emergency reservoir, the reservoirs and the non-negative pressure secondary pressurization unit adopt separate water supply pipelines to supply water, moreover, the disinfection equipment is arranged to solve the problem of water quality safety, and the differential pressure variable reservoir non-suction head double-purpose water supply system has the advantages of remarkable energy-saving effect, stable water supply and safe and reliable water quality.
Description
Technical field
The present invention relates to for water supply system, relate in particular to a kind of differential pressure variable pond without inhaling the dual-purpose water system of journey.
Background technology
Fast development along with the Chinese Urbanization progress, city size is increasing, in order to solve from the water supply in the zone of municipal network water supply away from, the second pressure water supply system indispensable part that become to serve a town with water, traditional secondary water supply system all arranges storage cistern, but the setting of storage cistern not only causes water quality to be polluted easily, also can cause the municipal network water supply overbottom pressure to be not used, and causes huge energy waste.In order to address this problem, Chinese patent 201730138U provides a kind of differential-pressure variable-type suction lift-free supercharging equipment, mainly by without the high-pressure pump group of inhaling journey steady-flow tank, intake pressure sensor, isocon, collecting fitting, discharge pressure sensor, parallel combination and low-lift pump group, flow meter, composition of the control system, utilize remaining pressure of piping system choose reasonable different capacity, lift but the pump variable frequency speed governing operation mode of same flow, improve to greatest extent the motor service efficiency, energy-saving effect is obvious, and can not cause negative pressure to ductwork pressure.But the deficiency that this equipment exists is: owing to do not regulate and deposit water source equipment, use this equipment can cause peripheral ductwork pressure sharply to reduce when water use peak, affect the municipal water supply safety.
Chinese patent CN100365216C provides a kind of secondary pressing pump station water supply system, this system comprises overbottom pressure use device and reservoir, adopt reservoir and municipal water inlet pipe double water source way of supplying water, this system directly supplies water to the user by the overbottom pressure use device when ductwork pressure is normal; When ductwork pressure can not satisfy user's water supply, but during greater than the minimum pressure of supply water of water supply department, the little pump that starts the overbottom pressure use device passes through second pressure water supply; When ductwork pressure and the water yield all can not satisfy user's water, reservoir is mixed large pumps water by the overbottom pressure use device with pipe network water supply.But this system still can not thoroughly solve the problem that affects the municipal water supply safety when water use peak, because when ductwork pressure is very low, although reservoir is mixed with pipe network water supply, but still communicate with the pipe network water source during large water supplying pump, so still can cause peripheral ductwork pressure sharply to reduce, affect the municipal water supply safety, and the reservoir of this system problem that matter near water polluted of still meeting, because reservoir and overbottom pressure use device share a supply channel, therefore when pipe network long period during stable water supply, will cause the easy secondary pollution of reservoir pond hydropexis overlong time, water supply quality can not be guaranteed.
Summary of the invention
The invention provides a kind of differential pressure variable pond without inhaling the dual-purpose water system of journey, can not take full advantage of remaining pressure of piping system to solve prior art, problem dangerous and that water supply quality can not be guaranteed supplies water.
The present invention is mainly by steady flow compensator, the high lift pump group, the low-lift pump group, control device, connecting pipe and monitoring device form, steady flow compensator is connected with the municipal water supply pipe, steady flow compensator outlet respectively by with the connecting pipe L2 of high lift pump group be connected the connecting pipe L1 of low-lift pump group and be connected with the municipal water supply pipe, be connected in parallel with the connecting pipe L2 of high lift pump group with the connecting pipe L1 of low-lift pump group, solving the technical scheme that its technical problem adopts is also to comprise pond commonly used, emergent pond and sterilizing equipment decontaminating apparatus, pond commonly used links to each other with the municipal water supply pipe by float valve respectively with emergent pond, be connected by coupling cock between pond commonly used and the emergent pond, pond commonly used links to each other with the municipal water supply pipe by the connecting pipe L3 with the high lift pump group, connecting pipe L3 and connecting pipe L1 and connecting pipe L2 are connected in parallel, and the high lift pump group is identical with the metered flow of low-lift pump group.
The volume in above-mentioned pond commonly used is no more than the per hour metered flow of high lift pump group or low-lift pump group.
In the above-mentioned pond commonly used guide wall and water level monitor are set, in the emergent pond water level monitor are set.
Above-mentioned sterilizing equipment decontaminating apparatus is infrared sterilization or high-frequency electronic or disinfection by chlorine dioxide equipment.
Pressure sensor and vacuum suppresser are set on the above-mentioned steady flow compensator.
The outlet in above-mentioned steady flow compensator and pond commonly used arranges electromagnetic valve.
Between above-mentioned connecting pipe L2 and the connecting pipe L3 electromagnetic valve and pressure sensor are set.
Above-mentioned connecting pipe L1 arranges overpressure protector.
Above-mentioned chlorination equipment arranges at regular time and quantity control device, only automatically comes into operation when the way of supplying water of pond.
Above-mentionedly prevent that the tank water holdup time is long, pollute, water pump and the control device of self-timing circulation primary is set.
The present invention take without the negative pressure secondary Pressure Unit as main, and be equipped with the water storage way of supplying water for subsequent use that pond commonly used and emergent pond form, supply channel supplies water with adopt independently without the negative pressure secondary Pressure Unit in the pond, and sterilizing equipment decontaminating apparatus is set to solve water quality security, not only can take full advantage of municipal ductwork pressure and laminate water supply, can when the pipe network water supply insufficient pressure, utilize again pond commonly used to realize intermittent moisturizing, also can utilize emergent pond and sterilizing equipment decontaminating apparatus Emergency water supply when city planting ductwork is cut off the water.
The invention has the beneficial effects as follows:
1, energy-saving effect is remarkable.Utilize remaining pressure of piping system, choose reasonable different capacity, lift but the pump group frequency control method of operation of same flow improves the motor service efficiency to greatest extent, operating cost significantly reduces.
2, water supply is stable, and water quality safety is reliable.Utilize pond commonly used and emergent pond to solve the water supply problem that the city planting ductwork overbottom pressure is low and pipe network is cut off the water, supply channel supplies water with adopt independently without the negative pressure secondary Pressure Unit in the pond, be independent of each other, little volume is adopted in pond commonly used simultaneously, and guide wall is set, guide wall can keep the pond water flow, has guaranteed water quality safety; When pipe network is cut off the water, then supply water for the user by emergent pond and sterilizing equipment decontaminating apparatus, safe and reliable.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention;
1 steady flow compensator, 2 ponds commonly used, 3 emergent ponds, 4 sterilizing equipment decontaminating apparatus, 5 municipal water supply pipes, 6 high lift pump groups, 7 low-lift pump groups, 8 coupling cocks, 9 pressure sensors, 10 overpressure protectors, 11 vacuum suppressers, 21 float valves, 22 guide walls, 23 water level monitors, 31 float valves, 32 water level monitors, 51 electromagnetic valves, 52 electromagnetic valves, 53 electromagnetic valves, 101 water supply networks, 102 users, 103 control device among the figure.
The specific embodiment
As shown in the figure; a kind of differential pressure variable pond is without inhaling the dual-purpose water system of journey; mainly by steady flow compensator 1; high lift pump group 6; low-lift pump group 7; control device 103; connecting pipe and monitoring device form; steady flow compensator 1 is connected with municipal water supply pipe 5; steady flow compensator 1 outlet respectively by with the connecting pipe L2 of high lift pump group 6 be connected the connecting pipe L1 of low-lift pump group 7 and be connected with municipal water supply pipe 5; pressure sensor 9 and vacuum suppresser 11 are set on the steady flow compensator 1; be connected in parallel with the connecting pipe L2 of high lift pump group 6 with the connecting pipe L1 of low-lift pump group 7; water system also comprises pond 2 commonly used; the sterilizing equipment decontaminating apparatus 4 of emergent pond 3 and use disinfection by chlorine dioxide; pond 2 commonly used links to each other with municipal water supply pipe 5 by float valve 21; emergent pond 3 links to each other with municipal water supply pipe 5 by float valve 31; be connected by coupling cock 8 between pond 2 commonly used and the emergent pond 3; pond 2 commonly used links to each other with municipal water supply pipe 5 by the connecting pipe L3 with high lift pump group 6; connecting pipe L3; connecting pipe L1 and connecting pipe L2 are connected in parallel; high lift pump group 6 is identical with the metered flow of low-lift pump group 7; maximum output is 210m3/h; the volume in pond 2 commonly used is less than 210m3; pond commonly used 2 interior guide wall 22 and the water level monitors 23 of arranging; the emergent pond 3 interior water level monitors 32 that arrange; steady flow compensator 1 outlet arranges electromagnetic valve 51; the outlet in pond 2 commonly used arranges electromagnetic valve 53; electromagnetic valve 52 and pressure sensor 9 are set between connecting pipe L2 and the connecting pipe L3, and connecting pipe L1 arranges overpressure protector 10.
High lift pump group 6, sterilizing equipment decontaminating apparatus 4, overpressure protector 10, electromagnetic valve 51, electromagnetic valve 52, electromagnetic valve 53 on low-lift pump group 7, connecting pipe L2 and the connecting pipe L3 on control device 103 and pressure sensor 9, vacuum suppresser 11, the connecting pipe L1 link to each other.When system moves, pressure sensor 9 on the control device 103 reception steady flow compensator 1 and the feedback signal of the pressure sensor 9 between connecting pipe L2 and the connecting pipe L2, with the work of control electromagnetic valve 51, high lift pump group 6 and low-lift pump group 7, high lift pump group 6 and low-lift pump group 7 are carried out optimum selecting according to overbottom pressure; When low or pipe network is cut off the water when water supply network 101 overbottom pressure, control device 103 supplies water for user 102 to moisturizing or the emergent pond of utilization without the negative pressure secondary Pressure Unit thereby realize commonly using the pond by high lift pump group 6 and sterilizing equipment decontaminating apparatus 4 on control electromagnetic valve 52, electromagnetic valve 53, the connecting line L3.
Water system mode of operation of the present invention is divided into four kinds:
The first pattern: when city planting ductwork hydraulic pressure can satisfy the requirement of user's water, and during the minimum pressure of supply water that municipal ductwork pressure requires greater than water supply department, control device 103 is according to the pressure signal of pressure sensor 9, control device 103 shut electromagnetic valves 51, high lift pump group 6 and low-lift pump group 7, the water of water supply network 101 are that user 102 supplies water by municipal water supply pipe 5 directly.Pond 2 commonly used and emergent pond 3 are carried out moisturizing according to the sensed water level of water level monitor 23 and water level monitor 32 by float valve 21 and float valve 31.
The second pattern: when city planting ductwork hydraulic pressure can not satisfy the requirement of user's water; but during the minimum pressure of supply water that municipal ductwork pressure requires greater than water supply department; control device 103 is according to the pressure signal of pressure sensor 9; control device 103 is opened electromagnetic valve 51; at first start low-lift pump group 7; L1 carries out constant pressure water supply for user 102 by pipeline; overpressure protector 10 on the pipeline L1 provides overpressure protection for low-lift pump group 7; if 7 operation a period of times of low-lift pump group can not reach the requirement of user's water; control device 103 is according to the pressure sensor 9 between connecting pipe L2 and the connecting pipe L3; can close low-lift pump group 7; open the high lift pump group 6 on the connecting line L2, carry out constant pressure water supply, if remaining pressure of piping system raises; control device 103 is understood switchback low-lift pump groups 7 drive manners, has reached the purpose of energy saving water supply.
The third pattern: when city planting ductwork hydraulic pressure can not satisfy the requirement of user's water, when the unlatching overbottom pressure utilizes the pump group can not satisfy the requirement of user's water, control device 103 can will be opened electromagnetic valve 52 and electromagnetic valve 53, utilize the water in pond 2 commonly used to carry out moisturizing, at this moment the water of the water of steady flow compensator 1 by electromagnetic valve 51 and pond commonly used is mixed into the high lift pump group 6 on the connecting line L2, carry out constant pressure water supply, at this moment low-lift pump group 7 is in closed condition, improve the intake pressure of high lift pump group 6 by the moisturizing in pond commonly used, thereby supply water for user 102.
The 4th kind of pattern: even still do not satisfy the requirement of user's water when the extremely low pond commonly used moisturizing of city planting ductwork hydraulic pressure, or city planting ductwork is when cutting off the water, high lift pump group 6 on control device 103 or shut electromagnetic valve 51, electromagnetic valve 52 and the connecting line L2 and low-lift pump group 7, open high lift pump group 6 and sterilizing equipment decontaminating apparatus 4 on electromagnetic valve 53, the connecting line L3, manually open the coupling cock 8 between pond 2 commonly used and the emergent pond 3, the water by the pond of meeting an urgent need supplies water to user 103.
Water system of the present invention supplies water by above-mentioned four kinds of patterns, both taken full advantage of remaining pressure of piping system, improve to greatest extent the motor service efficiency, reduced operating cost, utilize simultaneously emergent pond and pond commonly used to carry out the sterilizing function of water storage auxiliary water supply, chlorination equipment, ensured pipe network water supply safety and user's water safety.
Claims (10)
1. a differential pressure variable pond is without inhaling the dual-purpose water system of journey, mainly by steady flow compensator, the high lift pump group, the low-lift pump group, control device, connecting pipe and monitoring device form, steady flow compensator is connected with the municipal water supply pipe, steady flow compensator outlet respectively by with the connecting pipe L2 of high lift pump group be connected the connecting pipe L1 of low-lift pump group and be connected with the municipal water supply pipe, be connected in parallel with the connecting pipe L2 of high lift pump group with the connecting pipe L1 of low-lift pump group, it is characterized in that also comprising pond commonly used, emergent pond and sterilizing equipment decontaminating apparatus, pond commonly used links to each other with the municipal water supply pipe by float valve respectively with emergent pond, be connected by coupling cock between pond commonly used and the emergent pond, pond commonly used links to each other with the municipal water supply pipe by the connecting pipe L3 with the high lift pump group, connecting pipe L3 and connecting pipe L1 and connecting pipe L2 are connected in parallel, and the high lift pump group is identical with the metered flow of low-lift pump group.
2. differential pressure variable according to claim 1 pond is characterized in that without inhaling the dual-purpose water system of journey the volume in pond commonly used is no more than the per hour metered flow of high lift pump group or low-lift pump group.
3. differential pressure variable according to claim 1 pond is characterized in that in the pond commonly used guide wall and water level monitor being set without inhaling the dual-purpose water system of journey, in the emergent pond water level monitor is set.
4. differential pressure variable according to claim 1 pond is characterized in that without inhaling the dual-purpose water system of journey sterilizing equipment decontaminating apparatus is infrared sterilization or high-frequency electronic or disinfection by chlorine dioxide equipment.
5. differential pressure variable according to claim 1 pond is characterized in that arranging on the steady flow compensator pressure sensor and vacuum suppresser without inhaling the dual-purpose water system of journey.
6. differential pressure variable according to claim 1 pond is characterized in that without inhaling the dual-purpose water system of journey the outlet in steady flow compensator and pond commonly used arranges electromagnetic valve.
7. differential pressure variable according to claim 1 pond is characterized in that between connecting pipe L2 and the connecting pipe L3 electromagnetic valve and pressure sensor being set without inhaling the dual-purpose water system of journey.
8. differential pressure variable according to claim 1 pond is characterized in that without inhaling the dual-purpose water system of journey connecting pipe L1 arranges overpressure protector.
9. differential pressure variable according to claim 1 pond is characterized in that without inhaling the dual-purpose water system of journey chlorination equipment is provided with at regular time and quantity control device, only automatically comes into operation when the way of supplying water of pond.
10. differential pressure variable according to claim 1 pond is without inhaling the dual-purpose water system of journey, it is characterized in that for preventing the tank water holdup time longly, pollutes the water pump of every mouthful of self-timing circulation primary and control device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210533679.1A CN103015489B (en) | 2012-12-12 | 2012-12-12 | The dual-purpose water system of differential pressure variable reservoir non-suction head |
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| CN201210533679.1A CN103015489B (en) | 2012-12-12 | 2012-12-12 | The dual-purpose water system of differential pressure variable reservoir non-suction head |
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| CN103015489A true CN103015489A (en) | 2013-04-03 |
| CN103015489B CN103015489B (en) | 2015-11-25 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594452A (en) * | 2014-12-25 | 2015-05-06 | 江苏水智乐自动化设备有限公司 | Tap water high and low pressure compensation equipment with automatic cleaning function |
| CN104612215A (en) * | 2014-12-25 | 2015-05-13 | 江苏水智乐自动化设备有限公司 | Pressurizing and flow stabilizing automatic controller of non-negative-pressure pipe network |
| CN104791259A (en) * | 2015-04-20 | 2015-07-22 | 孙成礼 | Total head limit pump capable of automatically regulating flow rate |
| CN105155628A (en) * | 2015-10-12 | 2015-12-16 | 王伐帝 | Water storage type non-negative-pressure water supply facility |
| CN108286278A (en) * | 2018-04-04 | 2018-07-17 | 天津宏捷安装工程有限公司 | A kind of pipe network pressure-superposed compression system of frequency conversion |
| CN112031079A (en) * | 2020-08-25 | 2020-12-04 | 上海城市水资源开发利用国家工程中心有限公司 | System and method for optimizing water age of secondary water supply of residence |
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| CN1773031A (en) * | 2005-11-15 | 2006-05-17 | 北京交通大学 | Secondary pressing pump station water supply system |
| CN200971526Y (en) * | 2006-09-08 | 2007-11-07 | 张明亮 | Non-negative water supply equipment for spare water of water tank |
| CN201236360Y (en) * | 2008-07-23 | 2009-05-13 | 秦强 | Self-adaption cleaning chamber type ductwork laminating water supply equipment |
| CN203049681U (en) * | 2012-12-12 | 2013-07-10 | 德州市科源给水配套工程开发有限公司 | Differential-pressure variable water pond suction-stroke-free two-purpose water supply system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004068348A (en) * | 2002-08-05 | 2004-03-04 | Eco Water:Kk | Privately owned water supply system |
| CN1773031A (en) * | 2005-11-15 | 2006-05-17 | 北京交通大学 | Secondary pressing pump station water supply system |
| CN200971526Y (en) * | 2006-09-08 | 2007-11-07 | 张明亮 | Non-negative water supply equipment for spare water of water tank |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594452A (en) * | 2014-12-25 | 2015-05-06 | 江苏水智乐自动化设备有限公司 | Tap water high and low pressure compensation equipment with automatic cleaning function |
| CN104612215A (en) * | 2014-12-25 | 2015-05-13 | 江苏水智乐自动化设备有限公司 | Pressurizing and flow stabilizing automatic controller of non-negative-pressure pipe network |
| CN104594452B (en) * | 2014-12-25 | 2017-02-08 | 江苏项瑛农机有限公司 | Tap water high and low pressure compensation equipment with automatic cleaning function |
| CN104791259A (en) * | 2015-04-20 | 2015-07-22 | 孙成礼 | Total head limit pump capable of automatically regulating flow rate |
| CN105155628A (en) * | 2015-10-12 | 2015-12-16 | 王伐帝 | Water storage type non-negative-pressure water supply facility |
| CN108286278A (en) * | 2018-04-04 | 2018-07-17 | 天津宏捷安装工程有限公司 | A kind of pipe network pressure-superposed compression system of frequency conversion |
| CN112031079A (en) * | 2020-08-25 | 2020-12-04 | 上海城市水资源开发利用国家工程中心有限公司 | System and method for optimizing water age of secondary water supply of residence |
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| CN103015489B (en) | 2015-11-25 |
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Address after: No. 22, Decheng Road, Dezhou, Shandong, Shandong Patentee after: Shandong Keyuan water supply and drainage equipment Engineering Company Limited Address before: 253000 Shandong Dezhou Economic Development Zone East Red East Road West Liu Ji Village Wen Zhuang Road South Patentee before: Dezhou Keyuan Water Supply Associated Engineering Development Co., Ltd. |
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