CN104501465A - Efficient self-cleaning water taking system of sewage source heat pump - Google Patents
Efficient self-cleaning water taking system of sewage source heat pump Download PDFInfo
- Publication number
- CN104501465A CN104501465A CN201410797945.0A CN201410797945A CN104501465A CN 104501465 A CN104501465 A CN 104501465A CN 201410797945 A CN201410797945 A CN 201410797945A CN 104501465 A CN104501465 A CN 104501465A
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- China
- Prior art keywords
- sewage
- water
- pond
- diversion
- road
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
Disclosed is an efficient self-cleaning water taking system of a sewage source heat pump. A water diversion pool and a water taking pool are arranged on two sides of a road respectively, a municipal cesspool of a sewage main canal is connected to the water taking pool through a diversion pipe and a primary mechanical grating, water is taken from the middle of the municipal cesspool by the diversion pipe, mud and sand impurities at the bottom of the municipal cesspool directly flow downstream along the sewage main canal, sewage taken from the middle enters the primary mechanical grating through the diversion pipe to be filtered, the filtered sewage enters the diversion pool, and the impurities filtered out drop into a sewage discharge pipe, connected with a sewage discharge pump, on the other side after rising along with the primary mechanical grating and then are discharged downstream positions of the municipal cesspool; the sewage entering the diversion pool flows into the water taking pool on the other side of the road through inclined automatic following pipelines arranged below the sewage main canal and the road. The efficient self-cleaning water taking system is quite suitable for application of the sewage source heat pump mounted at a position where the sewage main canal and a heating building are positioned on two sides respectively.
Description
Technical field
The invention belongs to sewage source heat pump system, particularly relate to a kind of sewage source heat pump water intake system.
Background technology
The utilization of sewage cold-hot source, current energy-intensive situation can be alleviated, have good energy-saving effect, environmental benefit and economic benefit, will freshwater resources day by day in short supply be saved, for new field is opened up in using energy source, for comprehensive full use water resource provides a new thinking.Why sewage cold-hot source does not have large area to use and promotes mainly because its water quality can not meet water standard required in current water circulation system, in the middle of the engineering of actual motion, these dirts block water pump and heat exchanger often, cause systematic function obviously to decline, even can not run.
For solving the problem, take up an area the Perfected process that the few continuous regenerate filtration method of filtering surface waterpower of scalp becomes sewage cold-hot source utilization, the main patent of current filtering surface regeneration has ZL200410043654.9, ZL200720127607.1 and ZL200420031799.2 and automatic pollution removing device etc., its thinking is that scrubbing filtering surface (orifice plate filtering surface or orifice plate cartridge filter) is divided into filtering area and renewing zone two parts, the water after having filtered participation heat exchange is utilized to carry out backwash to scrubbing filtering surface, alleviate the blockage problem of large-scale dirt to water pump and heat exchanger to a great extent.But because the dirty foreign material of sewage are too many, over-burden to cause filtering surface, and in Practical Project, such equipment fault occurs frequently.Simultaneously because the hydraulic pressure of filtering surface renewing zone is higher than filtering area hydraulic pressure, cause the certainty of mixed water, cause heat transmission equipment degraded performance.
Still small particle and hair class dirt is contained in water source after above-mentioned patent deficiency is its process in addition, the water source entering heat exchanger still can not meet national standard, heat exchange property is still not high, after the operation long period, still occur that dirt increases, especially hair class dirty foreign material blocking heat exchanger tube problem.Adopt 2.5-3m/s high flow rate, rubber ball cleaning and automatically clean the methods such as little brush for the current main method of blockage problem.Although increase flow velocity method can suppress gathering of dirt, the increase due to flow velocity causes a large amount of pump to consume, and itself and energy-conservation original intention are disagreed; Rubber ball cleaning with automatically to clean little brush bad due to reason results of use such as techniques, thus more employing overseas equipments and cause larger investment.For the problem that heat exchange property is not high, the area mainly strengthening heat exchanger at present solves, but will increase the investment of system like this.Application number is a kind of Large Diameter Pipeline shell-tube type fluid bed sewage heat exchanger disclosed in the patent of 201210269219.2, devises the devices such as solid-liquid separator, can solve heat exchanger cleaning problem very well, but can not self instead to clean.
In addition, the patent of invention of affiliate Dalian Baoguang Energy-saving Conditioner Equipment Factory design, number of patent application be 201310526386.5 patent can solve the obstructing problem of sewage in water taking heat-transfer process preferably, sewage in trunk sewer enters the setting pot of road opposite side, sewage through setting pot enters in the mechanical grille in water intaking pond, but through the engineering actual motion more than 2 years, current produced problem is as follows:
The water inlet in the setting pot saturated water intaking of impact on the contrary of silt particle over time pond, and the mud of fetching water in pond is cumulative, and after a cycle of operation, mud primary pump to burying, even can not pull out primary pump, and its water intaking function is also just lost.The scheme of current solution is, labor cleaning, and utilize car of removing contamination to carry out soil pick-up, each cycle of operation spends about 5-7 ten thousand yuan.Burden is brought to operation.
Summary of the invention
The present invention in order to overcome above-mentioned prior art exist deficiency, effectively solve silt particle enter water intaking pond affects primary pump, setting pot arranges the problems such as unnecessary, provide a kind of high efficiency self-cleaning sewage source heat pump water intake system.
The technical solution adopted for the present invention to solve the technical problems is: whole system comprise trunk sewer, water intaking pond, automatic pollution removing device, two stage pump, heat exchanger inlet pipeline, hair filter, counter-flushing pipeline, circulation pipe, control valve a, control valve b, control valve c, control valve d, control valve e, sewage heat exchanger, solid-liquid separator, heat exchanger water return pipeline, wherein fetch water pond comprise: secondary mechanical grid, primary pump;
Also comprise municipal wastewater well, road, drainage tube, diversion pond, one-level mechanical grille, dredge pump, agitator;
Diversion pond and water intaking pond are respectively in road both sides, the municipal wastewater well of trunk sewer is connected to diversion pond by drainage tube and one-level mechanical grille, drainage tube is fetched water from the middle part of municipal wastewater well, ensure that the sediment contamination of municipal wastewater bottom is directly left to downstream along trunk sewer, the sewage that middle part is taken out enters one-level machinery grid filtration by drainage tube, sewage after filtration enters diversion pond, the impurity filtered drops in the blow-off pipe that opposite side is connected with dredge pump after rising with one-level mechanical grille, and then is discharged to municipal wastewater down-hole and swims; The sewage entering diversion pond flows to the water intaking pond of road opposite side by the inclined self-flow pipeline be arranged under trunk sewer and road; Diversion also arranges agitator in pond, and when sewage source heat pump system is out of service, regularly close the water inlet of inclined self-flow pipeline, agitator stirs, and the mud of bottom deposit is discharged to municipal wastewater down-hole trip in trunk sewer together with sewage by dredge pump.When sewage source heat pump system normally works, dredge pump also runs continuously, and just flow is less, extracts the sewage in a small amount of diversion pond, is used for the impurity of one-level machinery grid filtration to be flushed to the trip of municipal wastewater down-hole.
Cancel setting pot at the opposite side of road, inclined self-flow pipeline connects water intaking pond, automatic pollution removing device, two stage pump, hair filter, connects sewage heat exchanger after hair filter is connected with circulation pipe, and heat exchanger water return pipeline connects solid-liquid separator; Sewage enters in the secondary mechanical grid in water intaking pond, then is drawn in automatic pollution removing device by primary pump by sewage, is removed by dirty foreign material further; Sewage after filtration is extracted by two stage pump, and it is divided into two parts, and a part enters automatic pollution removing device; Another part enters hair filter by heat exchanger inlet pipeline, sewage after filtration enters sewage heat exchanger and participates in heat exchange together with the solid particle separated in solid separator, solid-liquid separator is connected at the outlet of sewer of sewage heat exchanger, return in secondary mechanical grid after the sewage that sewage after Separation of Solid and Liquid enters heat exchanger water return pipeline and automatic pollution removing device converges, after the dirty foreign material in backwash secondary mechanical grid, enter trunk sewer; In four sewage pipes that sewage heat exchanger connects, control valve b, control valve c, control valve d, control valve e are set respectively, by the switching of control valve switch, backwash are carried out to plumbing drain.
Benefit of the present invention and effect be,
Be applicable to very much trunk sewer and heating building thing to live apart the sewage source heat pump application type of road both sides.The impurity such as the silt particle in sewage are precipitated in the diversion pond of road side, and agitator and scrubbing pump are set, impurity can be discharged easily.Ensure that the sewage entering inclined self-flow pipeline contains less suspension and weight particle, reduce the burden of primary pump in road opposite side water intaking pond, very favourable to the operation of whole sewage source heat pump system.According to measuring and calculating, for the annual scrubbing cost of this system of the buildings of 50,000 square metres at about 10,000 yuan, and 1 year only need clear up once.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present invention.
In Fig. 1: 1. trunk sewer, 2. secondary mechanical grid, 3. primary pump, 4. automatic pollution removing device, 5. two stage pump, 6. heat exchanger inlet pipeline, 7. hair filter, 8. counter-flushing pipeline, 9. circulation pipe, 10. control valve a, 11. control valve b, 12. control valve c, 13. control valve d, 14. control valve e, 15. sewage heat exchangers, 16. solid-liquid separators, 17. heat exchanger water return pipelines, 18. municipal wastewater wells, 19. roads, 20. one-level mechanical grilles, 21. dredge pumps, 22. drainage tubes, 23. agitators, 24. water intaking ponds, 25. diversion ponds.
Detailed description of the invention
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing and technical scheme:
A kind of high efficiency self-cleaning sewage source heat pump water intake system.
The technical solution adopted for the present invention to solve the technical problems is: whole system comprise trunk sewer 1, water intaking pond 24, automatic pollution removing device 4, two stage pump 5, heat exchanger inlet pipeline 6, hair filter 7, counter-flushing pipeline 8, circulation pipe 9, control valve a10, control valve b11, control valve c12, control valve d13, control valve e14, sewage heat exchanger 15, solid-liquid separator 16, heat exchanger water return pipeline 17, wherein fetch water pond 24 comprise: secondary mechanical grid 2, primary pump 3;
Also comprise municipal wastewater well 18, road 19, drainage tube 22, diversion pond 25, one-level mechanical grille 20, dredge pump 21, agitator 23;
Diversion pond 25 and water intaking pond 24 are respectively in road 19 both sides, the municipal wastewater well 18 of trunk sewer 1 is connected to diversion pond 25 by drainage tube 22 and one-level mechanical grille 20, drainage tube 22 is fetched water from the middle part of municipal wastewater well 18, ensure that the impurity such as the silt particle of bottom are directly left to downstream along trunk sewer 1, sewage enters one-level mechanical grille 20 by drainage tube 22 and filters, sewage after filtration enters diversion pond 25, the impurity such as floating thing filtered drops in the blow-off pipe that opposite side is connected with dredge pump 21 after rising with one-level mechanical grille, and then be discharged to municipal wastewater well 18 downstream, the sewage entering diversion pond 25 flows to the water intaking pond 24 of opposite side by the inclined self-flow pipeline be arranged under trunk sewer 1 and road 19, in diversion pond 25, agitator 23 is also set, when sewage source heat pump system is out of service, the water inlet of regular closedown inclined self-flow pipeline, agitator 23 stirs, and the mud of bottom deposit is discharged to municipal wastewater well 18 downstream in trunk sewer 1 together with sewage by dredge pump 21.
Cancel setting pot at the opposite side of road, inclined self-flow pipeline connects water intaking pond, automatic pollution removing device, two stage pump, hair filter, connects sewage heat exchanger after hair filter is connected with circulation pipe, and heat exchanger water return pipeline connects solid-liquid separator; Sewage enters in the secondary mechanical grid in water intaking pond, then is drawn in automatic pollution removing device by primary pump by sewage, is removed by dirty foreign material further; Sewage after filtration is extracted by two stage pump, and it is divided into two parts, and a part enters automatic pollution removing device; Another part enters hair filter by heat exchanger inlet pipeline, sewage after filtration enters sewage heat exchanger and participates in heat exchange together with the solid particle separated in solid separator, solid-liquid separator is connected at the outlet of sewer of sewage heat exchanger, return in secondary mechanical grid after the sewage that sewage after Separation of Solid and Liquid enters heat exchanger water return pipeline and automatic pollution removing device converges, after the dirty foreign material in backwash secondary mechanical grid, enter trunk sewer; In four sewage pipes that sewage heat exchanger connects, control valve b, control valve c, control valve d, control valve e are set respectively, by the switching of control valve switch, backwash are carried out to plumbing drain.
The present invention is not limited to the present embodiment, any the present invention disclose technical scope in equivalent concepts or change, be all classified as protection scope of the present invention.
Claims (1)
1. a high efficiency self-cleaning sewage source heat pump water intake system, comprise trunk sewer (1), water intaking pond (24), automatic pollution removing device (4), two stage pump (5), heat exchanger inlet pipeline (6), hair filter (7), counter-flushing pipeline (8), circulation pipe (9), control valve a (10), control valve b (11), control valve c (12), control valve d (13), control valve e (14), sewage heat exchanger (15), solid-liquid separator (16), heat exchanger water return pipeline (17), pond (24) of wherein fetching water comprising: secondary mechanical grid (2), primary pump (3),
It is characterized in that: also comprise municipal wastewater well (18), road (19), drainage tube (22), diversion pond (25), one-level mechanical grille (20), dredge pump (21), agitator (23);
Diversion pond (25) and water intaking pond (24) are respectively in road (19) both sides, the municipal wastewater well (18) of trunk sewer (1) is connected to diversion pond (25) by drainage tube (22) and one-level mechanical grille (20), drainage tube (22) is fetched water from the middle part of municipal wastewater well (18), ensure that the sediment contamination of municipal wastewater well (18) bottom is directly left to downstream along trunk sewer (1), the sewage that middle part is taken out enters one-level mechanical grille (20) by drainage tube (22) and filters, sewage after filtration enters diversion pond (25), the impurity filtered drops in the blow-off pipe that opposite side is connected with dredge pump (21) after rising with one-level mechanical grille, and then be discharged to municipal wastewater well (18) downstream, the sewage entering diversion pond (25) flows to the water intaking pond (24) of road opposite side by the inclined self-flow pipeline be arranged under trunk sewer (1) and road (19), agitator (23) is also set in diversion pond (25), when sewage source heat pump system is out of service, the water inlet of regular closedown inclined self-flow pipeline, agitator (23) stirs, and the mud of bottom deposit is discharged to municipal wastewater well (18) downstream in trunk sewer (1) together with sewage by dredge pump (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410797945.0A CN104501465A (en) | 2014-12-18 | 2014-12-18 | Efficient self-cleaning water taking system of sewage source heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410797945.0A CN104501465A (en) | 2014-12-18 | 2014-12-18 | Efficient self-cleaning water taking system of sewage source heat pump |
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| CN104501465A true CN104501465A (en) | 2015-04-08 |
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| CN201410797945.0A Pending CN104501465A (en) | 2014-12-18 | 2014-12-18 | Efficient self-cleaning water taking system of sewage source heat pump |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080011677A1 (en) * | 2006-07-13 | 2008-01-17 | Yen-Jung Hu | Wastewater treating system |
| CN101157485A (en) * | 2007-09-05 | 2008-04-09 | 大连理工大学 | Open-cycle integration type sewage water taking machine |
| BRPI0806176A2 (en) * | 2008-11-10 | 2010-09-21 | Rosa Maria Baroncello | wastewater recovery and drainage system and selective collection of solid waste |
| CN203148109U (en) * | 2013-03-14 | 2013-08-21 | 山东中鸿新能源科技有限公司 | Sewage source heat pump |
| CN103629837A (en) * | 2013-10-29 | 2014-03-12 | 大连葆光节能空调设备厂 | Efficient sewage heat exchange system capable of carrying out on-line cleaning and automatic decontamination |
| CN103848537A (en) * | 2012-12-04 | 2014-06-11 | 黄丽亚 | Riverway sewage treatment device |
| CN204329410U (en) * | 2014-12-18 | 2015-05-13 | 大连大学 | A kind of high efficiency self-cleaning sewage source heat pump water intake system |
-
2014
- 2014-12-18 CN CN201410797945.0A patent/CN104501465A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080011677A1 (en) * | 2006-07-13 | 2008-01-17 | Yen-Jung Hu | Wastewater treating system |
| CN101157485A (en) * | 2007-09-05 | 2008-04-09 | 大连理工大学 | Open-cycle integration type sewage water taking machine |
| BRPI0806176A2 (en) * | 2008-11-10 | 2010-09-21 | Rosa Maria Baroncello | wastewater recovery and drainage system and selective collection of solid waste |
| CN103848537A (en) * | 2012-12-04 | 2014-06-11 | 黄丽亚 | Riverway sewage treatment device |
| CN203148109U (en) * | 2013-03-14 | 2013-08-21 | 山东中鸿新能源科技有限公司 | Sewage source heat pump |
| CN103629837A (en) * | 2013-10-29 | 2014-03-12 | 大连葆光节能空调设备厂 | Efficient sewage heat exchange system capable of carrying out on-line cleaning and automatic decontamination |
| CN204329410U (en) * | 2014-12-18 | 2015-05-13 | 大连大学 | A kind of high efficiency self-cleaning sewage source heat pump water intake system |
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Application publication date: 20150408 |
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