CN202792546U - Sleeve heat exchanger - Google Patents
Sleeve heat exchanger Download PDFInfo
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- CN202792546U CN202792546U CN201220456884.8U CN201220456884U CN202792546U CN 202792546 U CN202792546 U CN 202792546U CN 201220456884 U CN201220456884 U CN 201220456884U CN 202792546 U CN202792546 U CN 202792546U
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- heat exchanger
- tube
- refrigerant agent
- heat exchange
- exchanger tube
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Abstract
The utility model discloses a sleeve heat exchanger which comprises an outer pipe, a first heat exchange pipe sleeved in the outer pipe and a second heat exchange pipe sleeved in the first heat exchange pipe, wherein a first cooling medium agent is arranged between the outer pipe and the first heat exchange pipe, and a fluid medium which requires heat exchange is arranged between the first heat exchange pipe and the second heat exchange pipe; and a second cooling medium agent is arranged in the second heat exchange pipe, the first cooling medium agent and the second cooling medium agent have temperature difference and can carry out heat exchange with the fluid medium in a simultaneous or heterochronous manner through external control. The sleeve heat exchanger provided by the utility model utilizes a heat pump principle, carries out heat exchange on the fluid medium subjected to heat exchange in the simultaneous or heterochronous manner through the two cooling medium agents with different temperatures, and rapidly heats the fluid medium subjected to heat exchange from low temperature to high temperature or rapidly cools the fluid medium subjected to heat exchange from high temperature to low temperature, thus solving the problems that the heat exchange speed of the sleeve heat exchanger is low, and the fluid medium can not be heated to a higher temperature or cooled to a lower temperature.
Description
Technical field
The utility model relates to a kind of heat pump hot-water system field, relates in particular to a kind of double-tube heat exchanger.
Background technology
At present, the heat exchanger that most heat pump water-heating machine uses is coaxial sleeve heat exchanger, and the structure of coaxial sleeve heat exchanger is to only have a heat exchange copper tube in the outer tube, and it can only use a kind of refrigerant agent and water to carry out heat exchange.
Existing double-tube heat exchanger, in the water heating process, mostly use a kind of refrigerant agent with water temperature from the low-temperature heat to high temperature.But, because refrigeration characteristic is different, so that the temperature of water temp. heating is not high, perhaps use single refrigerant agent that water temp. heating is arrived higher temperature, but its firing rate is excessively slow, usually need to make the methods such as the auxiliary heat of electricity consumption improve heating-up temperature or the rate of heat addition, cause resource utilization not high, and increased cost.
The utility model content
Main purpose of the present utility model is to provide a kind of double-tube heat exchanger, be intended to improve heat transfer rate and the heat exchange efficiency of double-tube heat exchanger, and cost is low.
In order to achieve the above object, the utility model proposes a kind of double-tube heat exchanger, comprise outer tube, overlap the first heat exchanger tube within the outer tube and be enclosed within the second interior heat exchanger tube of the first heat exchanger tube, be the first refrigerant agent between described outer tube and the first heat exchanger tube, for needing the fluid media (medium) of heat exchange, be the second refrigerant agent in the second heat exchanger tube between the first heat exchanger tube and the second heat exchanger tube; Described the first refrigerant agent and the second refrigerant agent have temperature difference, and by external control simultaneously or different time and described fluid media (medium) carry out heat exchange.
Preferably, the two ends of described outer tube are respectively equipped with the first refrigerant agent entrance and the outlet of the first refrigerant agent; The two ends of described the first heat exchanger tube are respectively equipped with water inlet and water out; The two ends of described the second heat exchanger tube are respectively equipped with the second refrigerant agent entrance and the outlet of the second refrigerant agent.
Preferably, described outer tube is stainless steel, cast iron or carbon steel material; Described the first heat exchanger tube and the second heat exchanger tube are copper pipe or aluminum pipe.
Preferably, described the first heat exchanger tube and the second heat exchanger tube are internal thread heat exchanger tube, external screw thread heat exchanger tube or helix tube; It is one of following that described the first refrigerant agent and the second refrigerant agent are at least respectively: R22, R410A, R134A, R32, R290 and CO
2
Preferably, described the first refrigerant agent and the second refrigerant agent are dissimilar refrigerant agents; Described the first refrigerant agent entrance and exit, the second refrigerant agent entrance and exit are one or more.
Preferably, the temperature of described the first refrigerant agent is less than the temperature of the second refrigerant agent; It is one of following that the shape of described the first refrigerant agent entrance and exit, the second refrigerant agent entrance and exit is at least: column type and square.
Preferably, described fluid media (medium) is aqueous medium; Described the first refrigerant agent is identical or opposite with the flow direction of aqueous medium; Described the second refrigerant agent is identical or opposite with the flow direction of aqueous medium.
Preferably, described double-tube heat exchanger also is connected with the controller that described fluid media (medium) is carried out heat exchange for controlling described the first refrigerant agent of switching and the second refrigerant agent.
A kind of double-tube heat exchanger that the utility model proposes, utilize heat pump principle, refrigerant agent by two kinds of different temperatures in heat transfer process simultaneously or the different time to being carried out heat exchange by the fluid media (medium) of heat exchange, to be heated to rapidly high temperature or be reduced to rapidly low temperature from high temperature from low temperature by the heat exchanging fluid medium, heat transfer rate and the heat exchange efficiency of double-tube heat exchanger have been improved, thereby it is low and fluid media (medium) can't be heated to higher temperature or be reduced to the problem of lower temperature to have solved the double-tube heat exchanger heat transfer rate, and cost is low.
Description of drawings
Fig. 1 is the schematic cross-section of the utility model preferred embodiment double-tube heat exchanger;
Fig. 2 is the cross-sectional view of the utility model preferred embodiment double-tube heat exchanger.
In order to make the technical solution of the utility model clearer, clear, be described in further detail below in conjunction with accompanying drawing.
The specific embodiment
The solution of the utility model embodiment mainly is: within the outer tube successively sheathed the first heat exchanger tube and the second heat exchanger tube, by the second refrigerant agent in the first refrigerant agent, the second heat exchanger tube between the outer tube with temperature difference and the first heat exchanger tube simultaneously or the fluid media (medium) between different time and the first heat exchanger tube and the second heat exchanger tube carry out heat exchange, be heated to higher temperature with the quick heat exchange of realization fluid media (medium) and with fluid media (medium) or be reduced to the purpose of lower temperature.
As shown in Figures 1 and 2, Fig. 1 is the schematic cross-section of the utility model preferred embodiment double-tube heat exchanger; Fig. 2 is the cross-sectional view of the utility model preferred embodiment double-tube heat exchanger.A kind of double-tube heat exchanger that present embodiment proposes, be connected with peripheral control unit, this double-tube heat exchanger comprises outer tube 1, be enclosed within the first heat exchanger tube 2 in the outer tube 1 and be enclosed within the second heat exchanger tube 3 in the first heat exchanger tube 2, be the first refrigerant agent between described outer tube 1 and the first heat exchanger tube 2, it is the fluid media (medium) that needs heat exchange between the first heat exchanger tube 2 and the second heat exchanger tube 3, present embodiment is take fluid media (medium) as aqueous medium, and so that water is heated to illustrate.
The 3 interior transmission of the second heat exchanger tube be the second refrigerant agent, this second refrigerant agent and the first refrigerant agent have temperature difference; Described the first refrigerant agent and the second refrigerant agent are controlled while or different time and described fluid media (medium) by peripheral control unit and are carried out heat exchange.
Particularly, present embodiment middle external tube 1 can adopt the materials such as stainless steel, cast iron or carbon steel material to make; Described the first heat exchanger tube 2 and the second heat exchanger tube 3 can be the materials such as copper pipe or aluminum pipe.
Described the first refrigerant agent and the second refrigerant agent can be R22, R410A, R134A, R32, R290 and CO
2, and the first refrigerant agent can adopt identical refrigerant agent with the second refrigerant agent, also can adopt different refrigerant agents.
The present embodiment double-tube heat exchanger utilizes heat pump principle, and the conversion by two kinds of different refrigerant agents in heating process is heated to rapidly high temperature with water temperature from low temperature, and its specific works principle is as follows:
As shown in Figure 2, the two ends of outer tube 1 are respectively equipped with the first refrigerant agent entrance and the outlet of the first refrigerant agent from left to right, and the two ends of the first heat exchanger tube 2 are respectively equipped with water out and water inlet from left to right; The two ends of the second heat exchanger tube 3 are respectively equipped with the second refrigerant agent entrance and the outlet of the second refrigerant agent from left to right.
The temperature that present embodiment is set the first refrigerant agent between outer tube 1 and the first heat exchanger tube 2 is lower, and the temperature of the second refrigerant agent in the second heat exchanger tube 3 is higher.
Externally under the control of controller, can by the first refrigerant agent and the second refrigerant agent simultaneously or the different time water between the first heat exchanger tube 2 and the second heat exchanger tube 3 is carried out heat exchange.
The situation of simultaneously water being carried out heat exchange for the first refrigerant agent and the second refrigerant agent, at first, in the second heat exchanger tube 3 and between outer tube 1 and the first heat exchanger tube 2, correspondence is transmitted the first refrigerant agent and the second refrigerant agent simultaneously, when the temperature of water between the first heat exchanger tube 2 and the second heat exchanger tube 3 is hanged down, water carries out heat exchange with the first refrigerant agent and the second refrigerant agent simultaneously, water between the first heat exchanger tube 2 and the second heat exchanger tube 3 flows into from water inlet, wall and the first refrigerant agent heat exchange by the first heat exchanger tube 2, pass through simultaneously wall and the second refrigerant agent heat exchange of the second heat exchanger tube 3, flow out from water out afterwards, by with the heat exchange of the first refrigerant agent and the second refrigerant agent, can be rapidly with water temp. heating to higher temperature.
After water is heated to uniform temperature, when the first refrigerant agent between outer tube 1 and the first heat exchanger tube 2 can not up increase water temperature again, control by peripheral control unit, make the second refrigerant agent in the second heat exchanger tube 3 continue water is carried out heat exchange, water is heated to higher temperature, thereby has not only realized the Fast Heating of water, improved the firing rate of water, and water can be heated to higher temperature, improved the heat exchange efficiency of water.
The situation of water being carried out heat exchange for the first refrigerant agent and the second refrigerant agent different time, by peripheral control unit control, the water between the first heat exchanger tube 2 and the second heat exchanger tube 3 at first and the first refrigerant agent between outer tube 1 and the first heat exchanger tube 2 carry out heat exchange; When water temp. heating after uniform temperature, when the first refrigerant agent between outer tube 1 and the first heat exchanger tube 2 can not up increase water temperature again, switch by peripheral control unit control, make the second refrigerant agent in water and the second heat exchanger tube 3 carry out heat exchange, water temp. heating is arrived higher temperature.Thereby not only realized the Fast Heating of water, improved the firing rate of water, and water can be heated to higher temperature, improve the heat exchange efficiency of water.
As preferred version, above-mentioned the first heat exchanger tube 2 and the second heat exchanger tube 3 can adopt internal thread heat exchanger tube, external screw thread heat exchanger tube or helix tube, can better realize the heat exchange between refrigerant agent and the water.
In addition, above-mentioned the first refrigerant agent entrance and exit, the second refrigerant agent entrance and exit can be set as one according to actual needs, also can be set as two or more.
The shape of described the first refrigerant agent entrance and exit, the second refrigerant agent entrance and exit can adopt column type and square etc.
In addition, the flow direction of described the first refrigerant agent between outer tube 1 and the first heat exchanger tube 2 can and the first heat exchanger tube 2 and the second heat exchanger tube 3 between water flow to identically, i.e. following current also can be opposite, i.e. adverse current.
In like manner, the flow direction of described the second refrigerant agent and water can be identical or opposite, specifically according to actual conditions, decides such as the characteristic of heat transfer effect and refrigerant agent.
The flow direction of the first refrigerant agent and the second refrigerant agent and water is contrary in the present embodiment.
Need to prove, above-mentioned the first refrigerant agent and the position of the second refrigerant agent in the cover heat exchange of heat pipe with different temperatures can be not construed as limiting, and namely the temperature of the refrigerant agent between outer tube 1 and the first heat exchanger tube 2 can be high or low than the temperature of the refrigerant agent between the first heat exchanger tube 1 and the second heat exchanger tube 2.
The present embodiment double-tube heat exchanger has not only improved the heat transfer rate who is heated fluid media (medium), improved the heat exchange efficiency of double-tube heat exchanger, and this double-tube heat exchanger processing technology is simple, only need outer tube 1, the first heat exchanger tube 2 and 3 three pipes of the second heat exchanger tube are inserted in rear fixing mutually, again three pipe bending and moldings are got final product afterwards.In addition, the utility model double-tube heat exchanger has improved thus resource utilization, and has reduced cost owing to do not need auxiliary heating equipment.
The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present utility model.
Claims (8)
1. double-tube heat exchanger, it is characterized in that, comprise outer tube, overlap the first heat exchanger tube within the outer tube and be enclosed within the second interior heat exchanger tube of the first heat exchanger tube, be the first refrigerant agent between described outer tube and the first heat exchanger tube, for needing the fluid media (medium) of heat exchange, be the second refrigerant agent in the second heat exchanger tube between the first heat exchanger tube and the second heat exchanger tube; Described the first refrigerant agent and the second refrigerant agent have temperature difference, and by external control simultaneously or different time and described fluid media (medium) carry out heat exchange.
2. double-tube heat exchanger according to claim 1 is characterized in that, the two ends of described outer tube are respectively equipped with the first refrigerant agent entrance and the outlet of the first refrigerant agent; The two ends of described the first heat exchanger tube are respectively equipped with water inlet and water out; The two ends of described the second heat exchanger tube are respectively equipped with the second refrigerant agent entrance and the outlet of the second refrigerant agent.
3. double-tube heat exchanger according to claim 1 is characterized in that, described outer tube is stainless steel, cast iron or carbon steel material; Described the first heat exchanger tube and the second heat exchanger tube are copper pipe or aluminum pipe.
4. double-tube heat exchanger according to claim 1 is characterized in that, described the first heat exchanger tube and the second heat exchanger tube are internal thread heat exchanger tube, external screw thread heat exchanger tube or helix tube; It is one of following that described the first refrigerant agent and the second refrigerant agent are at least respectively: R22, R410A, R134A, R32, R290 and CO
2
5. each described double-tube heat exchanger is characterized in that according to claim 1-4, and described the first refrigerant agent and the second refrigerant agent are dissimilar refrigerant agents; Described the first refrigerant agent entrance and exit, the second refrigerant agent entrance and exit are one or more.
6. double-tube heat exchanger according to claim 5 is characterized in that, described the first refrigerant agent temperature is less than the temperature of the second refrigerant agent; It is one of following that the shape of described the first refrigerant agent entrance and exit, the second refrigerant agent entrance and exit is at least: column type and square.
7. double-tube heat exchanger according to claim 6 is characterized in that, described fluid media (medium) is aqueous medium; Described the first refrigerant agent is identical or opposite with the flow direction of aqueous medium; Described the second refrigerant agent is identical or opposite with the flow direction of aqueous medium.
8. double-tube heat exchanger according to claim 1 is characterized in that, described double-tube heat exchanger also is connected with the controller that described fluid media (medium) is carried out heat exchange for controlling described the first refrigerant agent of switching and the second refrigerant agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220456884.8U CN202792546U (en) | 2012-09-07 | 2012-09-07 | Sleeve heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220456884.8U CN202792546U (en) | 2012-09-07 | 2012-09-07 | Sleeve heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202792546U true CN202792546U (en) | 2013-03-13 |
Family
ID=47819800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220456884.8U Expired - Lifetime CN202792546U (en) | 2012-09-07 | 2012-09-07 | Sleeve heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202792546U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421361A (en) * | 2017-08-31 | 2017-12-01 | 海龙(张家港)实业有限公司 | A kind of Mini-type heat exchanger |
| CN107560181A (en) * | 2017-09-29 | 2018-01-09 | 杨建强 | A kind of self-loopa heating boiler system |
| CN107781891A (en) * | 2017-09-29 | 2018-03-09 | 杨建强 | A kind of self-circulating energy-saving heating system |
| CN111103320A (en) * | 2019-12-13 | 2020-05-05 | 浙江海亮股份有限公司 | Heat exchange coefficient measuring device |
| CN112219930A (en) * | 2020-09-29 | 2021-01-15 | 山东大学 | Heat exchange structure and ice cream preparation system based on cold flash memory |
-
2012
- 2012-09-07 CN CN201220456884.8U patent/CN202792546U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421361A (en) * | 2017-08-31 | 2017-12-01 | 海龙(张家港)实业有限公司 | A kind of Mini-type heat exchanger |
| CN107560181A (en) * | 2017-09-29 | 2018-01-09 | 杨建强 | A kind of self-loopa heating boiler system |
| CN107781891A (en) * | 2017-09-29 | 2018-03-09 | 杨建强 | A kind of self-circulating energy-saving heating system |
| CN111103320A (en) * | 2019-12-13 | 2020-05-05 | 浙江海亮股份有限公司 | Heat exchange coefficient measuring device |
| CN112219930A (en) * | 2020-09-29 | 2021-01-15 | 山东大学 | Heat exchange structure and ice cream preparation system based on cold flash memory |
| CN112219930B (en) * | 2020-09-29 | 2022-03-29 | 山东大学 | Heat exchange structure and ice cream preparation system based on cold flash memory |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |