CN103062958B - Back washing system - Google Patents
Back washing system Download PDFInfo
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- CN103062958B CN103062958B CN201310048656.6A CN201310048656A CN103062958B CN 103062958 B CN103062958 B CN 103062958B CN 201310048656 A CN201310048656 A CN 201310048656A CN 103062958 B CN103062958 B CN 103062958B
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- underground pipe
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- knockout drum
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Abstract
The invention discloses a back washing system. The back washing system comprises a ground source heat pump set, a buried pipe side water return pipe, a buried pipe side water supply pipe, a first-stage water separator and a first-stage water collector, wherein the buried pipe side water return pipe and the buried pipe side water supply pipe are arranged on one side of the ground source heat pump set, the first-stage water separator is arranged at the end part of the buried pipe side water return pipe, a second-stage water separator is connected to the end part of the first-stage water separator, a first valve box is arranged on the first-stage water separator, a first water pump, a second water pump and a third water pump which are connected in parallel are arranged on the buried pipe side water supply pipe, and a first valve, a second valve and a third valve which are connected in parallel are arranged on the buried pipe side water supply pipe. According to the back washing system, the scale and the corrosion generated during long-term running of a buried pipe system can be removed by flushing the buried pipe side water return pipe and the buried pipe side water supply pipe by water flow.
Description
Technical field
The present invention relates to earth source heat pump field, particularly relate to a kind of backwashing system.
Background technology
Along with the raising of social development and people's living standard, people also constantly increase for the demand of the energy, and the excessive exploitation of non-renewable energy resources brings serious harm for the survival and development of climatic environment, descendants, therefore developing regenerative resource becomes the Critical policies solving this problem.Earth source heat pump more and more receives the concern of people as a kind of novel, clean, environmental protection, efficiently energy technology.It utilizes the metastable soil in underground, underground water temperature, the new device of soil, underground internal water cooling (heat) energy is obtained by medium, earth source heat pump, by inputting a small amount of high-grade energy (as electric energy), realizes low-temperature heat energy and shifts to high-temperature position.Ground can be distinguished in the winter time as the thermal source of heat pump heating and the low-temperature receiver of summer air-conditioning, namely in the winter time, the heat in ground energy " is got " out, after improving temperature, and supply indoor heating; In summer, the heat of indoor is taken out, goes down with being discharged into, therefore earth source heat pump is usually used in building for warm refrigeration.
Earth source heat pump is all generally adopt underground pipe form, because the long-term constant temperature of ground end temperature, generally at about 18 degree, so just can provide a good condensation and evaporating temperature in summer and winter for air-conditioner host, effectively improve Energy Efficiency Ratio, be beneficial to unit energy-conservation.Underground pipe system is closed system, and flowed in the underground buried tube closed by circulation fluid (water or take water as the anti-icing fluid of main component), the heat transfer realized between system and the earth exchanges, and structure is a underground pipe heat exchange interchanger be made up of underground buried tube.During underground pipe system longtime running, water impact tube wall, easily produces fouling, corrosion.The problem directly caused is, cooling water loop cross section of fluid channel is long-pending to be reduced, and resistance increases, flow velocity improves, pump energy consumption increases, and under extreme case, produces Severe blockage, occupy runner completely, cause source pump to run at channel bend place.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of backwashing system.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of backwashing system, comprise: earth source heat pump unit, underground pipe side water return pipeline, underground pipe side supply channel, first order water knockout drum and first order water collector, the side of described earth source heat pump unit is provided with underground pipe side water return pipeline and underground pipe side supply channel, the end of described underground pipe side water return pipeline is provided with first order water knockout drum, the end of described first order water knockout drum is connected with second level water knockout drum, described first order water knockout drum is provided with the first valve group, described underground pipe side supply channel is provided with 3 the first water pumps in parallel, second water pump and the 3rd water pump, described underground pipe side supply channel is provided with 3 the first valves in parallel, second valve and the 3rd valve, the end of described underground pipe side supply channel is provided with first order water collector, the end of described first order water collector is connected with second level water collector, described first order water collector is provided with the second valve group.
In a preferred embodiment of the present invention, described underground pipe side water return pipeline is connected by pipeline with between the supply channel of underground pipe side.
In a preferred embodiment of the present invention, described first order water collector has 4 loops.
In a preferred embodiment of the present invention, described first order water knockout drum has 4 loops.
The invention has the beneficial effects as follows: backwashing system of the present invention, utilize water impact underground pipe side water return pipeline and underground pipe side supply channel, when getting rid of underground pipe system longtime running, produce fouling and corrosion.
Accompanying drawing explanation
Fig. 1 is the perspective view of a preferred embodiment of backwashing system of the present invention;
In accompanying drawing, the mark of each parts is as follows: 1, earth source heat pump unit, and 2, underground pipe side water return pipeline, 3, underground pipe side supply channel, 4, first order water knockout drum, 5, first order water collector, the 6, first valve group, 7, the second valve group, 8, the first valve, the 9, second valve, the 10, the 3rd valve, 11, the first water pump, 12, the second water pump, the 13, the 3rd water pump, 14, second level water knockout drum, 15, second level water collector.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1, Fig. 1 is the perspective view of a preferred embodiment of backwashing system of the present invention.
Described backwashing system, comprising: earth source heat pump unit 1, underground pipe side water return pipeline 2, underground pipe side supply channel 3, first order water knockout drum 4 and first order water collector 5, first order water knockout drum 4 and first order water collector 5
,the side of described earth source heat pump unit 1 is provided with underground pipe side water return pipeline 2 and underground pipe side supply channel 3, the end of described underground pipe side water return pipeline 2 is provided with first order water knockout drum 4, the end of described first order water knockout drum 4 is connected with second level water knockout drum 14, described first order water knockout drum 4 is provided with the first valve group 6, described underground pipe side supply channel 3 is provided with 3 the first water pumps 11 in parallel, second water pump 12 and the 3rd water pump 13 and 3 the first valves 8 in parallel, second valve 9 and the 3rd valve 10, the end of described underground pipe side supply channel 3 is provided with first order water collector 5, the end of described first order water collector 5 is connected with second level water collector 15, described first order water collector 5 is provided with the second valve group 7, first order water knockout drum is connected with the ground land source side water pump in Cooling and Heat Source machine room with first order water collector, form underground pipe loop, second level water knockout drum 14 and second level water collector 15 arrange first valve group 6 and the second valve group 7 that can regulate separately keying when being connected to first order water knockout drum 4 and first order water collector 5, second level water knockout drum 14 corresponding to half quantity and second level water knockout drum 15 is opened when shutting down backwash, the supply channel of buried side or the water return pipeline of buried side are connected with pipeline and valve displacement, when shutting down backwash, adjust the valve opening mode on corresponding pipeline, ensure that current are by reverse flow when running, when can effectively ensure to ensure backwash under the prerequisite not increasing backwash pump, discharge is 2 times of operating flux.
Preferably, described underground pipe side water return pipeline 2 is connected by pipeline with between underground pipe side supply channel 3, and the water in underground pipe side water return pipeline 2 can flow in underground pipe side supply channel 3.
Preferably, described first order water collector 5 has 4 loops, and described first order water knockout drum 4 has 4 loops, can from different circuit water inlet or water outlet.
Preferably; described underground pipe side supply channel 3 is provided with 3 the first water pump 11, second water pumps 12 in parallel and the 3rd water pump 13 and 3 the first valve 8, second valves 9 in parallel and the 3rd valve 10; when when maintenance down backwash; open the first valve 8 and the 3rd valve 10; unlatching is divided into the first water pump 11 and the second water pump 12; and mutual the first corresponding valve group 6, second valve group 7, ensure that backwash current are contrary, flow is 2 times of operating flux.
The backwashing system of the underground pipe side of earth source heat pump of the present invention, solves the defect in technical scheme, utilizes water impact underground pipe side water return pipeline and underground pipe side supply channel, when getting rid of underground pipe system longtime running, produces fouling and corrosion.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a backwashing system, it is characterized in that, comprise: earth source heat pump unit, underground pipe side water return pipeline, underground pipe side supply channel, first order water knockout drum and first order water collector, the side of described earth source heat pump unit is provided with underground pipe side water return pipeline and underground pipe side supply channel, the end of described underground pipe side water return pipeline is provided with first order water knockout drum, the end of described first order water knockout drum is connected with second level water knockout drum, described first order water knockout drum is provided with the first valve group, described underground pipe side supply channel is provided with 3 the first water pumps in parallel, second water pump and the 3rd water pump, described underground pipe side supply channel is provided with 3 the first valves in parallel, second valve and the 3rd valve, the end of described underground pipe side supply channel is provided with first order water collector, the end of described first order water collector is connected with second level water collector, described first order water collector is provided with the second valve group.
2. backwashing system according to claim 1, is characterized in that, described underground pipe side water return pipeline is connected by pipeline with between the supply channel of underground pipe side.
3. backwashing system according to claim 1, is characterized in that, described first order water collector has 4 loops.
4. backwashing system according to claim 1, it is characterized in that, described first order water knockout drum has 4 loops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310048656.6A CN103062958B (en) | 2013-02-07 | 2013-02-07 | Back washing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310048656.6A CN103062958B (en) | 2013-02-07 | 2013-02-07 | Back washing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103062958A CN103062958A (en) | 2013-04-24 |
| CN103062958B true CN103062958B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310048656.6A Expired - Fee Related CN103062958B (en) | 2013-02-07 | 2013-02-07 | Back washing system |
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| Country | Link |
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| CN (1) | CN103062958B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180499B (en) * | 2015-09-23 | 2017-11-10 | 同济大学 | A kind of small-sized cleanable earth source heat pump all-in-one |
| CN110094863A (en) * | 2019-04-22 | 2019-08-06 | 宁夏医科大学总医院 | A kind of reverse flow purging method for cleaning central air-conditioning |
| CN114893931B (en) * | 2022-05-27 | 2023-10-03 | 和璞思德能源顾问(山东)有限公司 | Ground source heat exchange system for green building |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275791A (en) * | 2007-03-30 | 2008-10-01 | 同方人工环境有限公司 | Water source heat pump units capable of automatically backwashing sewage water |
| CN201441990U (en) * | 2009-07-08 | 2010-04-28 | 那崇贤 | Back-flushing device used for geothermal water separator |
| CN101782293A (en) * | 2010-02-01 | 2010-07-21 | 长沙北极熊节能环保技术有限公司 | Multi-layer water separating and collecting device of ground source heat pump and series and parallel-connection ground pipe burying technique thereof |
| CN203148108U (en) * | 2013-02-07 | 2013-08-21 | 江苏新城新能源有限公司 | Backwashing system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003279296A (en) * | 2002-03-25 | 2003-10-02 | Takenaka Komuten Co Ltd | Filtering heat exchanger used for aquifer heat accumulating system |
| US7407003B2 (en) * | 2003-05-30 | 2008-08-05 | 1438253 Ontario Inc. | Ground source heat exchange system |
-
2013
- 2013-02-07 CN CN201310048656.6A patent/CN103062958B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275791A (en) * | 2007-03-30 | 2008-10-01 | 同方人工环境有限公司 | Water source heat pump units capable of automatically backwashing sewage water |
| CN201441990U (en) * | 2009-07-08 | 2010-04-28 | 那崇贤 | Back-flushing device used for geothermal water separator |
| CN101782293A (en) * | 2010-02-01 | 2010-07-21 | 长沙北极熊节能环保技术有限公司 | Multi-layer water separating and collecting device of ground source heat pump and series and parallel-connection ground pipe burying technique thereof |
| CN203148108U (en) * | 2013-02-07 | 2013-08-21 | 江苏新城新能源有限公司 | Backwashing system |
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| CN103062958A (en) | 2013-04-24 |
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