CN202973541U - Three-sleeve heat exchanger and heat pump water heater using heat exchanger - Google Patents
Three-sleeve heat exchanger and heat pump water heater using heat exchanger Download PDFInfo
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- CN202973541U CN202973541U CN 201220656856 CN201220656856U CN202973541U CN 202973541 U CN202973541 U CN 202973541U CN 201220656856 CN201220656856 CN 201220656856 CN 201220656856 U CN201220656856 U CN 201220656856U CN 202973541 U CN202973541 U CN 202973541U
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Abstract
The utility model discloses a three-sleeve heat exchanger and a heat pump water heater using the heat exchanger. The heat pump water heater comprises the three-sleeve heat exchanger, a compressor, an air side heat exchanger, a throttling element and a water tank, wherein the three-sleeve heat exchanger comprises an inner pipe, a middle pipe and an outer pipe, the middle pipe is sheathed on the outside of the inner pipe, the outer pipe is sheathed on the outside of the middle pipe, a first annular passage is formed between the inner pipe and the middle pipe, a second annular passage is formed between the middle pipe and the outer pipe, the compressor, the air side heat exchanger, the throttling element and the first circular passage are communicated to form a working medium circulation loop by pipelines, the water tank is connected with the inner pipe to form a water circulation loop by a pipeline, the second circular passage is provided with a water inlet and a water outlet, a hot water supplementing pipe is arranged between the water outlet and the water tank, and the water tank is provided with an external water supply port. The heat pump water heater using the heat exchanger has the advantages that the efficiency is higher, the energy is saved, and the use comfortability of water is well provided for a user.
Description
Technical field
The utility model relates to the high temperature heat pump technical field, relates in particular to a kind of three double-tube heat exchangers and uses 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 due 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 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 air due 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, what this was that Teat pump boiler due at present 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 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, the hot water that flows out due to water tank external feed water inlet simultaneously directly and cold water carry out after 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 utility model is to overcome the defective of 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, the outer tube that includes inner layer pipe, is enclosed within the middle tube of inner layer pipe outside and is enclosed within the middle tube outside, form the first circular passage between described inner layer pipe and middle tube, form the second circular passage between described middle tube and outer tube, the two ends of described inner layer pipe 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.
the Teat pump boiler of a kind 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 layer pipe, the outer tube that is enclosed within the middle tube of inner layer pipe outside and is enclosed within the middle tube outside, form the first circular passage between inner layer pipe and middle tube, form the second circular passage between middle tube and 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 layer pipe 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 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 layer pipe 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 layer pipe 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 layer pipe 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, 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 air and be wasted, also make simultaneously the condensation temperature of heat-exchange working medium lower than traditional Teat pump boiler, improved heat exchange efficiency, thereby use 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, because 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 in water tank, the hot water temperature reduces, thereby can improve the stability with coolant-temperature gage.Therefore, the Teat pump boiler of these use three double-tube heat exchangers can also improve the comfort level of user's water well, and comprehensive heat exchange efficiency is higher.
2, also be connected with water pump in described water-flow circuit, the water that is 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 water tank.
3, described hot water supply pipe is provided with backflow non-return valve, can prevent the aqueous reflux in water tank.
4, described external feed water inlet and by-pass port all connect mixing valve by pipeline, the directly-heated hot water of the second circular passage delivery port outflow is except filling into 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 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 utility model embodiment.
Fig. 2 is the overall structure schematic diagram of described three double-tube heat exchangers of the utility model embodiment.
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 layer pipe, 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 embodiment of the present utility model:
as shown in Figures 1 to 4, the Teat pump boiler of a kind 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 layer pipe 101, be enclosed within the middle tube 102 of inner layer pipe 101 outsides and the outer tube 103 that is enclosed within middle tube 102 outsides, form the first annular path 10 4 between inner layer pipe 101 and middle tube 102, form the second circular passage 105 between middle tube 102 and 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 is connected to form water-flow circuit with inner layer pipe 101 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 water tank 6, described water tank 6 is provided with external feed water inlet 601.
Wherein, the two ends of described inner layer pipe 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.
The present embodiment has the following advantages or principle:
1, described inner layer pipe 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 layer pipe 101 and the second interior water that flows in circular passage 105 all can carry out heat exchange with heat-exchange working medium when flowing through described three double-tube heat exchanger 1, 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 air and be wasted, also make simultaneously the condensation temperature of heat-exchange working medium lower than traditional Teat pump boiler, improved 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, because 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 the interior hot water temperature of water tank 6 reduces, thereby can improve the stability with coolant-temperature gage.Therefore, the Teat pump boiler of these use three double-tube heat exchangers can also improve the comfort level of user's water well.
2, also be connected with water pump 10 in described water-flow circuit, the water that is 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 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 water tank 6 from flowing backwards.
4, are connected with by-pass port and all connect mixing valve 9 by pipeline in described external feed water inlet 601, the directly-heated hot water of the second circular passage 105 delivery ports 111 outflows is except filling into 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 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 water tank 6 does not reach, water pump 10 can start, and makes the continuous circulating-heating of water in water tank 6, sets requirement until the interior water temperature of water tank 6 satisfies.
The above embodiment has only expressed the specific embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (5)
1. double-tube heat exchanger, it is characterized in that, the outer tube that includes inner layer pipe, is enclosed within the middle tube of inner layer pipe outside and is enclosed within the middle tube outside, form the first circular passage between described inner layer pipe and middle tube, form the second circular passage between described middle tube and outer tube, the two ends of described inner layer pipe 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 layer pipe, the outer tube that is enclosed within the middle tube of inner layer pipe outside and is enclosed within the middle tube outside, form the first circular passage between inner layer pipe and middle tube, form the second circular passage between middle tube and 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 layer pipe 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 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 layer pipe 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. the Teat pump boiler of described use three double-tube heat exchangers of according to claim 2 to 4 any one, 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 |
|---|---|---|---|
| CN 201220656856 CN202973541U (en) | 2012-11-30 | 2012-11-30 | Three-sleeve heat exchanger and heat pump water heater using heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220656856 CN202973541U (en) | 2012-11-30 | 2012-11-30 | Three-sleeve heat exchanger and heat pump water heater using heat exchanger |
Publications (1)
| Publication Number | Publication Date |
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| CN202973541U true CN202973541U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220656856 Expired - Lifetime CN202973541U (en) | 2012-11-30 | 2012-11-30 | Three-sleeve heat exchanger and heat pump water heater using heat exchanger |
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| CN (1) | CN202973541U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944065A (en) * | 2012-11-30 | 2013-02-27 | 苏宇贵 | Three-casing-pipe heat exchanger and heat pump water heater using same |
| CN107560181A (en) * | 2017-09-29 | 2018-01-09 | 杨建强 | A kind of self-loopa heating boiler system |
| US10221768B2 (en) | 2014-11-10 | 2019-03-05 | Rolls-Royce Plc | Heat exchanger having a coaxial or concentric tube construction |
-
2012
- 2012-11-30 CN CN 201220656856 patent/CN202973541U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944065A (en) * | 2012-11-30 | 2013-02-27 | 苏宇贵 | Three-casing-pipe heat exchanger and heat pump water heater using same |
| CN102944065B (en) * | 2012-11-30 | 2015-05-27 | 苏宇贵 | Three-casing-pipe heat exchanger and heat pump water heater using same |
| US10221768B2 (en) | 2014-11-10 | 2019-03-05 | Rolls-Royce Plc | Heat exchanger having a coaxial or concentric tube construction |
| CN107560181A (en) * | 2017-09-29 | 2018-01-09 | 杨建强 | A kind of self-loopa heating boiler system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20150527 |
|
| RGAV | Abandon patent right to avoid regrant |