CN102944065A - Three-casing-pipe heat exchanger and heat pump water heater using same - Google Patents
Three-casing-pipe heat exchanger and heat pump water heater using same Download PDFInfo
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- CN102944065A CN102944065A CN2012105069979A CN201210506997A CN102944065A CN 102944065 A CN102944065 A CN 102944065A CN 2012105069979 A CN2012105069979 A CN 2012105069979A CN 201210506997 A CN201210506997 A CN 201210506997A CN 102944065 A CN102944065 A CN 102944065A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 156
- 238000002156 mixing Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 description 8
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a heat pump water heater using a three-casing-pipe heat exchanger. The heat pump water heater comprises a three-casing-pipe heat exchanger, a compressor, an air-side heat exchanger, a throttling element and a water tank; the three-casing-pipe heat exchanger comprises an inner-layer pipe, a middle-layer pipe sleeved outside the inner-layer pipe and an outer-layer pipe sleeved outside the middle-layer pipe; a first annular channel is formed between the inner-layer pipe and the middle-layer pipe; a second annular channel is formed between the middle-layer pipe and the outer-layer pipe; the compressor, the air-side heat exchanger, the throttling element and the first annular channel are communicated through pipelines, so as to form a working medium circulation loop; the water tank is connected with the inner-layer pipe through the pipeline, so as to form a water circulation loop; a water inlet and a water outlet are formed in the second annular channel; a hot water supply pipe is connected between the water outlet and the water tank; and an external water supply opening is formed in the water tank. With the adoption of the heat pump water heater using the three-casing-pipe heat exchanger provided by the invention, the energy can be efficiently saved, and the comfort degree of user in water utilization can be improved well.
Description
Technical field
The present invention relates to the high temperature heat pump technical field, relate in particular to a kind of three double-tube heat exchangers and use the Teat pump boiler of this heat exchanger.
Background technology
Along with the raising of environmental protection and awareness of saving energy, household heat pump water heater is owing to its good energy-conserving effect, and safety and sanitation are widely used in the family.
Existing circulating heating type Teat pump boiler has generally comprised compressor, air-side heat exchanger, restricting element, water-side heat and water tank, described compressor, air-side heat exchanger, restricting element and water-side heat are connected to form the working medium circulation loop by pipeline, and water tank and water-side heat are connected to form the water circulation heating circuit by pipeline.But there is following problem in circulating heating type Teat pump boiler commonly used at present: the one, and existing water-side heat adopts two-tube sleeve type structure mostly, it is the outer tube sleeve inner tube, form the circular passage between inner tube and the outer tube, flow in the circular passage working medium is arranged, yet the heat that this structure only utilizes working medium to pass to inner tube comes heating water, and the heat that working medium passes to outer tube is wasted in the air owing to bad the spilling into of insulation, and this structure heat exchange area is little, comprehensive heat exchange efficiency is low, the working medium condensation temperature is high, and energy consumption is high; The 2nd, user's water comfort level is poor, this is because at present the Teat pump boiler of common water circulation mode of heating adopts is that cold water directly fills into water tank, large and moisturizing is rapidly the time when water consumption, the cold water that fills into can mix with the hot water that stores in the water tank, and Teat pump boiler is failed in time water heating to water tank, cause leaving water temperature low, and then affect user's water comfort level, simultaneously since the hot water that flow out the external feed water inlet of water tank directly and cold water carry out after the mixed flow for the user, make water tank hot water water consumption fast, and further affect user's water comfort level.
Summary of the invention
Based on this, the invention reside in the defective that overcomes prior art, a kind of three double-tube heat exchangers are provided and use the Teat pump boiler of this heat exchanger, this uses the Teat pump boiler of three double-tube heat exchangers more energy-efficient, and can improve well the comfort level of user's water.
Its technical scheme is as follows:
A kind of three double-tube heat exchangers, include inner tube, be enclosed within the middle tube of inner tube outside and the outer tube that is enclosed within the middle tube outside, form the first circular passage between described inner tube and the middle tube, form the second circular passage between described middle tube and the outer tube, the two ends of described inner tube are respectively equipped with recirculated water entrance and circulating water outlet, the two ends of described the first circular passage are respectively equipped with working medium entrance and sender property outlet, and the two ends of described the second circular passage are respectively equipped with water inlet and delivery port.
A kind of Teat pump boiler of use three double-tube heat exchangers, include three double-tube heat exchangers, compressor, air-side heat exchanger, restricting element and water tank, three double-tube heat exchangers include inner tube, be enclosed within the middle tube of inner tube outside and the outer tube that is enclosed within the middle tube outside, form the first circular passage between inner tube and the middle tube, form the second circular passage between middle tube and the outer tube, described compressor, air-side heat exchanger, restricting element and the first circular passage form the working medium circulation loop by pipeline connection, described water tank and inner tube are connected to form water-flow circuit by pipeline, described the second circular passage is provided with water inlet and delivery port, be connected with hot water supply pipe between delivery port and the water tank, described water tank is provided with external feed water inlet.
The below describes further technical scheme:
The Teat pump boiler of described use three double-tube heat exchangers also includes water pump, and described water tank, inner tube and water pump are in turn connected to form water-flow circuit by pipeline.
Described hot water supply pipe is provided with backflow non-return valve.
The Teat pump boiler of described use three double-tube heat exchangers also includes mixing valve, and described hot water supply pipe is provided with by-pass port, and described external feed water inlet and by-pass port all connect described mixing valve by pipeline.
The below describes advantage or the principle of aforementioned techniques scheme:
1, what flow in described inner tube and the second circular passage is water, what flow in the first circular passage is heat-exchange working medium, the water that is flowed in inner tube and the second circular passage all can carry out heat exchange with heat-exchange working medium when flowing through described three double-tube heat exchanger, then compare with traditional heat exchangers, this three double-tube heat exchanger can increase heat exchange area, and the heat of effectively avoiding heat-exchange working medium sees through tube wall and spills in the air and be wasted, also make simultaneously the condensation temperature of heat-exchange working medium lower than traditional Teat pump boiler, improve heat exchange efficiency, thereby used the Teat pump boiler of three double-tube heat exchangers more energy-efficient.In addition, the delivery port of the second circular passage connects described water tank by described hot water supply pipe, then owing to carrying out heat exchange with heat-exchange working medium, the cold water that flows into from the second circular passage water inlet obtains directly-heated hot water, thereby this uses the Teat pump boiler of three double-tube heat exchangers directly to fill into directly-heated hot water as water tank, but not fill into cold water, this can slow down the speed that the hot water temperature reduces in the water tank, thereby can improve the stability with coolant-temperature gage.Therefore, this uses the Teat pump boiler of three double-tube heat exchangers can also improve well the comfort level of user's water, and comprehensive heat exchange efficiency is higher.
2, also be connected with water pump in the described water-flow circuit, the water that is then flowed in this loop can circulate effectively, makes described three double-tube heat exchangers can be to the continuous circulating-heating of the water in the water tank.
3, described hot water supply pipe is provided with backflow non-return valve, can prevent the aqueous reflux in the water tank.
4, described external feed water inlet and by-pass port all connect mixing valve by pipeline, then the directly-heated hot water of the second circular passage delivery port outflow is except filling into the described water tank by hot water supply pipe, the hot water mixed flow that also flows out with water tank by the pipeline between by-pass port and the mixing valve is together for the user, this can further improve the comfort level of user's water, and the hot water water consumption that can slow down water tank, reduce energy consumption.
Description of drawings
Fig. 1 is the structural representation of the Teat pump boiler of described use three double-tube heat exchangers of the embodiment of the invention.
Fig. 2 is the overall structure schematic diagram of described three double-tube heat exchangers of the embodiment of the invention.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is the top view of Fig. 2.
Description of reference numerals:
1, three double-tube heat exchangers, 101, inner tube, 102, middle tube, 103, outer tube, the 104, first circular passage, the 105, second circular passage, 106, circulating water inlet, 107, circulating water outlet pipe, 108, the working medium entrance, 109, sender property outlet, 110, water inlet, 111, delivery port, 2, compressor, 3, air-side heat exchanger, 4, restricting element, 5, cross valve, 6, water tank, 601, external feed water inlet, 7, hot water supply pipe, 701, by-pass port, 8, backflow non-return valve, 9, mixing valve, 10, water pump.
The specific embodiment
The below is elaborated to embodiments of the invention:
As shown in Figures 1 to 4, a kind of Teat pump boiler of use three double-tube heat exchangers, include three double-tube heat exchangers 1, compressor 2, cross valve 5, air-side heat exchanger 3, restricting element 4, water pump 10 and water tank 6, three double-tube heat exchangers 1 include inner tube 101, the outer tube 103 that is enclosed within the middle tube 102 of inner tube 101 outsides and is enclosed within middle tube 102 outsides, form the first annular path 10 4 between inner tube 101 and the middle tube 102, form the second circular passage 105 between middle tube 102 and the outer tube 103, described compressor 2, cross valve 5, air-side heat exchanger 3, restricting element 4 and the first annular path 10 4 form the working medium circulation loop by pipeline connection, described water tank 6, water pump 10 and inner tube 101 are connected to form water-flow circuit by pipeline, described the second circular passage 105 is provided with water inlet 110 and delivery port 111, be connected with hot water supply pipe 7 between delivery port 111 and the water tank 6, described water tank 6 is provided with external feed water inlet 601.
Wherein, the two ends of described inner tube 101 are respectively equipped with recirculated water entrance and circulating water outlet, and the recirculated water entrance is connected with circulating water inlet 106, and circulating water outlet is connected with circulating water outlet pipe 107.The two ends of the described first annular path 10 4 are respectively equipped with working medium entrance 108 and sender property outlet 109.Described hot water supply pipe 7 is provided with backflow non-return valve 8.The Teat pump boiler of described use three double-tube heat exchangers also includes mixing valve 9, and described hot water supply pipe 7 is provided with by-pass port 701, is connected with by-pass port and all connects described mixing valve 9 by pipeline in described external feed water inlet 601.
Present embodiment has the following advantages or principle:
1, described inner tube 101 and the second circular passage 105 interior mobile be water, the first annular path 10 4 interior mobile be heat-exchange working medium, inner tube 101 and the second circular passage 105 interior water that flow all can carry out heat exchange with heat-exchange working medium when flowing through described three double-tube heat exchanger 1, then compare with traditional heat exchangers, this three double-tube heat exchanger 1 can increase heat exchange area, and the heat of effectively avoiding heat-exchange working medium sees through tube wall and spills in the air and be wasted, also make simultaneously the condensation temperature of heat-exchange working medium lower than traditional Teat pump boiler, improve heat exchange efficiency, thereby should use the Teat pump boiler of three double-tube heat exchangers more energy-efficient.In addition, the delivery port 111 of the second circular passage 105 connects described water tank 6 by described hot water supply pipe 7, then owing to carrying out heat exchange with heat-exchange working medium, the cold water that flows into from the second circular passage 105 water inlets 110 obtains directly-heated hot water, thereby this uses the Teat pump boiler of three double-tube heat exchangers directly to fill into directly-heated hot water as water tank 6, this can slow down the speed that water tank 6 interior hot water temperatures reduce, thereby can improve the stability with coolant-temperature gage.Therefore, this uses the Teat pump boiler of three double-tube heat exchangers can also improve well the comfort level of user's water.
2, also be connected with water pump 10 in the described water-flow circuit, the water that is then flowed in this loop can circulate effectively, makes described three double-tube heat exchangers 1 can be to the continuous circulating-heating of water in the water tank 6.
3, described hot water supply pipe 7 is provided with backflow non-return valve 8, can prevent that the hot water in the water tank 6 from flowing backwards.
4, are connected with by-pass port all by pipeline connection mixing valve 9 in described external feed water inlet 601, then the directly-heated hot water of the second circular passage 105 delivery ports, 111 outflows is except filling into the described water tank 6 by hot water supply pipe 7, the hot water mixed flow that also flows out with water tank 6 by the pipeline between by-pass port 701 and the mixing valve 9 is together for the user, this can further improve the comfort level of user's water, and can reduce the hot water water consumption of water tank 6, reduce energy consumption.
5, do not set when requiring when the water temperature in the water tank 6 does not reach, then water pump 10 can start, and makes the continuous circulating-heating of water in the water tank 6, sets requirement until water tank 6 interior water temperatures satisfy.
The above embodiment has only expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. double-tube heat exchanger, it is characterized in that, include inner tube, be enclosed within the middle tube of inner tube outside and the outer tube that is enclosed within the middle tube outside, form the first circular passage between described inner tube and the middle tube, form the second circular passage between described middle tube and the outer tube, the two ends of described inner tube are respectively equipped with recirculated water entrance and circulating water outlet, the two ends of described the first circular passage are respectively equipped with working medium entrance and sender property outlet, and the two ends of described the second circular passage are respectively equipped with water inlet and delivery port.
2. Teat pump boiler that uses three double-tube heat exchangers, it is characterized in that, include three double-tube heat exchangers, compressor, air-side heat exchanger, restricting element and water tank, three double-tube heat exchangers include inner tube, be enclosed within the middle tube of inner tube outside and the outer tube that is enclosed within the middle tube outside, form the first circular passage between inner tube and the middle tube, form the second circular passage between middle tube and the outer tube, described compressor, air-side heat exchanger, restricting element and the first circular passage form the working medium circulation loop by pipeline connection, described water tank and inner tube are connected to form water-flow circuit by pipeline, described the second circular passage is provided with water inlet and delivery port, be connected with hot water supply pipe between delivery port and the water tank, described water tank is provided with external feed water inlet.
3. the Teat pump boiler of use three double-tube heat exchangers according to claim 2 is characterized in that, also includes water pump, and described water tank, inner tube and water pump are in turn connected to form water-flow circuit by pipeline.
4. the Teat pump boiler of use three double-tube heat exchangers according to claim 2 is characterized in that, described hot water supply pipe is provided with backflow non-return valve.
5. according to claim 2 to the Teat pump boiler of 4 each described use three double-tube heat exchangers, it is characterized in that, also include mixing valve, described hot water supply pipe is provided with by-pass port, and described external feed water inlet and by-pass port all connect described mixing valve by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210506997.9A CN102944065B (en) | 2012-11-30 | 2012-11-30 | Three-casing-pipe heat exchanger and heat pump water heater using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210506997.9A CN102944065B (en) | 2012-11-30 | 2012-11-30 | Three-casing-pipe heat exchanger and heat pump water heater using same |
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| Publication Number | Publication Date |
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| CN102944065A true CN102944065A (en) | 2013-02-27 |
| CN102944065B CN102944065B (en) | 2015-05-27 |
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| CN201210506997.9A Expired - Fee Related CN102944065B (en) | 2012-11-30 | 2012-11-30 | Three-casing-pipe heat exchanger and heat pump water heater using same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471249A (en) * | 2013-09-22 | 2013-12-25 | 山东创尓沃热泵技术股份有限公司 | Water tank for heat-pump water heater |
| CN103591684A (en) * | 2013-11-15 | 2014-02-19 | 大连圣鼎工业装备有限公司 | Intelligent energy-saving single water tank constant temperature unit capable of continuously supplying hot water |
| CN104482650A (en) * | 2014-12-24 | 2015-04-01 | 武汉浩宏科技有限公司 | Air energy water heater and condenser thereof |
| CN104501479A (en) * | 2014-12-24 | 2015-04-08 | 武汉浩宏科技有限公司 | Double-spiral type condenser and air-source water heater comprising same |
| CN105333613A (en) * | 2014-08-15 | 2016-02-17 | 曾银娟 | Water heater and condenser |
| CN108185263A (en) * | 2018-02-13 | 2018-06-22 | 宁夏索非利亚食品有限公司 | Energy-saving tomato pure sauce disinfection system |
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| CN102192595A (en) * | 2011-07-04 | 2011-09-21 | 苏宇贵 | Sleeve heat exchange water tank and heat pump water heater using water tank |
| CN202973541U (en) * | 2012-11-30 | 2013-06-05 | 苏宇贵 | Three-sleeve heat exchanger and heat pump water heater using heat exchanger |
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2012
- 2012-11-30 CN CN201210506997.9A patent/CN102944065B/en not_active Expired - Fee Related
Patent Citations (6)
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| JP2003247746A (en) * | 2002-02-25 | 2003-09-05 | Sanyo Electric Co Ltd | Heat pump type hot water supply device |
| CN1573226A (en) * | 2003-06-24 | 2005-02-02 | 日立家用电器公司 | Heat pump water heater |
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| CN202973541U (en) * | 2012-11-30 | 2013-06-05 | 苏宇贵 | Three-sleeve heat exchanger and heat pump water heater using heat exchanger |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471249A (en) * | 2013-09-22 | 2013-12-25 | 山东创尓沃热泵技术股份有限公司 | Water tank for heat-pump water heater |
| CN103471249B (en) * | 2013-09-22 | 2016-03-02 | 山东创尓沃热泵技术股份有限公司 | A kind of heat-pump water-heater water tank |
| CN103591684A (en) * | 2013-11-15 | 2014-02-19 | 大连圣鼎工业装备有限公司 | Intelligent energy-saving single water tank constant temperature unit capable of continuously supplying hot water |
| CN103591684B (en) * | 2013-11-15 | 2015-11-04 | 大连圣鼎工业装备有限公司 | A kind of intelligent power saving list water tank constant temperature continuous heat supply water unit |
| CN105333613A (en) * | 2014-08-15 | 2016-02-17 | 曾银娟 | Water heater and condenser |
| CN105333613B (en) * | 2014-08-15 | 2019-05-14 | 长沙英芙机电科技有限公司 | A kind of water heater and condenser |
| CN104482650A (en) * | 2014-12-24 | 2015-04-01 | 武汉浩宏科技有限公司 | Air energy water heater and condenser thereof |
| CN104501479A (en) * | 2014-12-24 | 2015-04-08 | 武汉浩宏科技有限公司 | Double-spiral type condenser and air-source water heater comprising same |
| CN108185263A (en) * | 2018-02-13 | 2018-06-22 | 宁夏索非利亚食品有限公司 | Energy-saving tomato pure sauce disinfection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102944065B (en) | 2015-05-27 |
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Effective date of registration: 20160119 Address after: 510935, Guangdong, Guangzhou province Conghua suburban street new village village Avenue East (not numbered) Workshop Patentee after: Guangzhou Keyu Energy Technology Co., Ltd. Address before: 510935 Guangdong city of Guangzhou province Conghua Ao town Qigan village south of the Five Ridges 106 National Highway Patentee before: Su Yugui |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20150527 Termination date: 20181130 |