CN204514129U - Double-tube heat exchanger - Google Patents

Double-tube heat exchanger Download PDF

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Publication number
CN204514129U
CN204514129U CN201520054712.1U CN201520054712U CN204514129U CN 204514129 U CN204514129 U CN 204514129U CN 201520054712 U CN201520054712 U CN 201520054712U CN 204514129 U CN204514129 U CN 204514129U
Authority
CN
China
Prior art keywords
pipe
tube
eccentric
heat exchanger
sleeve pipe
Prior art date
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.)
Expired - Fee Related
Application number
CN201520054712.1U
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Chinese (zh)
Inventor
陈振乾
石国庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southeast University
Original Assignee
Southeast University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Southeast University filed Critical Southeast University
Priority to CN201520054712.1U priority Critical patent/CN204514129U/en
Application granted granted Critical
Publication of CN204514129U publication Critical patent/CN204514129U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of double-tube heat exchanger, comprise the sleeve pipe with arrival end and the port of export, also be provided with in described sleeve pipe and described casing axis parallel in manage and prolong the fixed mount that interval, casing length direction arranges fixing described interior pipe, described interior pipe comprises central tube and eccentric pipe, described eccentric pipe is evenly distributed at least one circle concentric with described central tube, described central tube and eccentric pipe are communicated with formation first flow at two ends, in described sleeve pipe, pipe outside forms the second runner, the two ends of this second runner are connected with described arrival end and the port of export, described sleeve pipe is also provided with inlet tube and outlet, this inlet tube and outlet are connected to the two ends of described first flow.Compared with prior art, the utility model heat exchanger tube heat exchange area but significantly increases, and heat transfer effect improves 10%.Meanwhile, the use of passage aisle can reduce the pressure loss while guarantee heat transfer effect, plays good energy-conserving action.

Description

Double-tube heat exchanger
Technical field
The utility model relates to heat exchanger, specifically a kind of small-sized double-tube heat exchanger.
Background technology
At present, double-tube heat exchanger has a wide range of applications, in order to obtain larger heat exchange efficiency, conventional double-tube heat exchanger usually inserts helix tube and makes in an outer tube, or to reduce with large copper pipe and pull into multi-start helical tubes to increase heat exchange area, but adopt its real area of the heat exchanger of this class formation not increase, just reduce folding for large copper pipe, material cost is large thus cause whole heat exchanger volume larger.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, provides a kind of energy-saving double-tube heat exchanger that can improve heat exchange efficiency in limited volume, reduce material cost.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of double-tube heat exchanger, comprise the sleeve pipe with arrival end and the port of export, it is characterized in that: be also provided with in described sleeve pipe and described casing axis parallel in manage and prolong the fixed mount that interval, casing length direction arranges fixing described interior pipe, described interior pipe comprises central tube and eccentric pipe, described eccentric pipe is evenly distributed at least one circle concentric with described central tube, described central tube and eccentric pipe are communicated with formation first flow at two ends, in described sleeve pipe, pipe outside forms the second runner, the two ends of this second runner are connected with described arrival end and the port of export, described sleeve pipe is also provided with inlet tube and outlet, this inlet tube and outlet are connected to the two ends of described first flow, the diameter of described central tube is 3-5mm, and the diameter of described eccentric pipe is 3-5mm, fixed mount comprises center pipe box and is distributed in the eccentric pipe box of at least one circle of pipe box periphery, described center, fixed by connecting rod between described eccentric pipe box and center pipe box, described central tube is positioned at described center pipe box, and described eccentric pipe is positioned at described eccentric pipe box.
Described sleeve pipe curl.
Described heat exchanger also includes support, and described sleeve pipe is arranged on support.
Joint is connected at the arrival end of described sleeve pipe and the port of export.
The utility model double-tube heat exchanger, in sleeve pipe by fixed mount fix to be made up of central tube and eccentric pipe in pipe, and form first flow by interior pipe, the second runner is formed between sleeve pipe and interior pipe, and carry out heat exchange by first flow and the second runner, interior pipe adopts diameter to be 3-5mm passage aisle, the use of passage aisle can reduce the filling quantity of cold-producing medium and bear higher pressure, be conducive to use that is poisonous or flammable coolant, can also preferably for high-pressure working medium, substantially increase the scope of application of heat exchanger, add the heat exchange area of first flow and the second runner simultaneously, improve heat exchange efficiency.
Compared with prior art, the utility model tool has the following advantages:
The diameter of the utility model heat exchanger tube and material do not increase, and heat exchange area significantly increases, and thus in limited volume, substantially increases heat exchange efficiency, and compared with original, heat transfer effect improves 10%.Simultaneously, helix tube is replaced to the passage aisle of several interior pipes, the disturbance of fluid outside interior pipe obviously outer than helix tube along with disturbance when helicla flute flows little, the pressure loss also obviously reduces, so the use of passage aisle can reduce the pressure loss while guarantee heat transfer effect, play good energy-conserving action.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the schematic cross-section of sleeve pipe.
Wherein: 1, sleeve pipe, 2, support, 3, interior pipe, 31, central tube, 32, eccentric pipe, 4, fixed mount, 5, joint, 6, medium tube.
Detailed description of the invention
See Fig. 1 ~ 3, a kind of double-tube heat exchanger of the utility model, comprises sleeve pipe 1 and support 2.The setting in spiral shape of its middle sleeve 1, interior pipe 3 is fixed with by fixed mount 4 in sleeve pipe 1, it is first flow between the two ends of interior pipe, in sleeve pipe, pipe outside forms the second runner, wherein interior pipe 3 comprises central tube and eccentric pipe 32, eccentric pipe is arranged and is that on the circle that interior pipe 3 is concentric, eccentric pipe can be a circle, also can be multi-turn.Central tube 31 is identical with the diameter of eccentric pipe 32 or not identical, and diameter is 3-5mm.Fixed mount 4 comprises center pipe box and is distributed in the eccentric pipe box of at least one circle of pipe box periphery, center, and fixed by connecting rod between eccentric pipe box and center pipe box, central tube is positioned at center pipe box, and eccentric pipe is positioned at eccentric pipe box.
Joint 5 is connected with, joint 5 and the second flow passage at the two ends of sleeve pipe 1.Each joint 5 is provided with a medium tube 6, two be arranged on medium tube on joint and be respectively the inlet tube and outlet that are communicated with first flow.
In use, in first flow and the second runner, flow into two kinds of heat exchanging fluids respectively by joint and medium tube, two kinds of fluids counter-current flow in collar cavities realizes heat exchange to the utility model heat exchanger.

Claims (4)

1. a double-tube heat exchanger, comprise the sleeve pipe with arrival end and the port of export, it is characterized in that: be also provided with in described sleeve pipe and described casing axis parallel in manage and prolong the fixed mount that interval, casing length direction arranges fixing described interior pipe, described interior pipe comprises central tube and eccentric pipe, described eccentric pipe is evenly distributed at least one circle concentric with described central tube, described central tube and eccentric pipe are communicated with formation first flow at two ends, in described sleeve pipe, pipe outside forms the second runner, the two ends of this second runner are connected with described arrival end and the port of export, described sleeve pipe is also provided with inlet tube and outlet, this inlet tube and outlet are connected to the two ends of described first flow, the diameter of described central tube is 3-5mm, and the diameter of described eccentric pipe is 3-5mm, fixed mount comprises center pipe box and is distributed in the eccentric pipe box of at least one circle of pipe box periphery, described center, fixed by connecting rod between described eccentric pipe box and center pipe box, described central tube is positioned at described center pipe box, and described eccentric pipe is positioned at described eccentric pipe box.
2. double-tube heat exchanger according to claim 1, is characterized in that: described sleeve pipe curl.
3. double-tube heat exchanger according to claim 1 and 2, is characterized in that: described heat exchanger also includes support, and described sleeve pipe is arranged on support.
4. double-tube heat exchanger according to claim 1 and 2, is characterized in that: be connected to joint at the arrival end of described sleeve pipe and the port of export.
CN201520054712.1U 2015-01-27 2015-01-27 Double-tube heat exchanger Expired - Fee Related CN204514129U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520054712.1U CN204514129U (en) 2015-01-27 2015-01-27 Double-tube heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520054712.1U CN204514129U (en) 2015-01-27 2015-01-27 Double-tube heat exchanger

Publications (1)

Publication Number Publication Date
CN204514129U true CN204514129U (en) 2015-07-29

Family

ID=53712098

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520054712.1U Expired - Fee Related CN204514129U (en) 2015-01-27 2015-01-27 Double-tube heat exchanger

Country Status (1)

Country Link
CN (1) CN204514129U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104567483A (en) * 2015-01-27 2015-04-29 东南大学 Double-pipe heat exchanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104567483A (en) * 2015-01-27 2015-04-29 东南大学 Double-pipe heat exchanger

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150729

Termination date: 20180127

CF01 Termination of patent right due to non-payment of annual fee