CN112594931A - Metal heat exchanger for fuel oil and gas heater - Google Patents
Metal heat exchanger for fuel oil and gas heater Download PDFInfo
- Publication number
- CN112594931A CN112594931A CN202011267967.8A CN202011267967A CN112594931A CN 112594931 A CN112594931 A CN 112594931A CN 202011267967 A CN202011267967 A CN 202011267967A CN 112594931 A CN112594931 A CN 112594931A
- Authority
- CN
- China
- Prior art keywords
- shell
- fins
- liquid flow
- heat exchanger
- inner shell
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a metal heat exchanger for a fuel oil and gas heater, which comprises an outer shell, an inner shell, inner fins and outer fins, wherein the inner shell is provided with a plurality of inner fins; the inner shell is positioned in the outer shell, and a liquid flow passage is formed between the outer shell and the inner shell; two ends of the outer shell are open, one end of the outer shell is used as a liquid flow passage inlet, and the other end of the outer shell is used as a liquid flow passage outlet; one end of the inner shell is open, the other end of the inner shell is closed, the open end is used as a flame channel inlet, and the liquid flow passage inlet and the flame channel inlet are positioned on the same side; a radial through hole is arranged on the shell on one side of the open end of the inner shell, penetrates through the outer shell and is communicated with the outside to be used as a tail gas outlet; the inner surface of the inner shell is provided with inner fins along the axial direction, the inner fins are made of copper or copper alloy, the outer surface of the inner shell is provided with outer fins along the axial direction, and the outer fins are made of aluminum or aluminum alloy. The invention improves the heat exchange efficiency of the heat exchanger.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to a metal heat exchanger for a fuel oil and gas heater.
Background
The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The energy-saving device is used for transferring heat between two or more than two fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to enable the temperature of the fluid to reach the index specified by the process so as to meet the requirements of process conditions and simultaneously is one of main devices for improving the energy utilization rate. The heat exchange efficiency of the heat exchanger is an important index for evaluating the performance of the heater.
Disclosure of Invention
In order to solve the problems, the invention provides the metal heat exchanger for the fuel oil and gas heater, and the heat exchange efficiency of the heat exchanger is improved.
The technical scheme adopted by the invention is as follows:
a metal heat exchanger for a fuel oil and gas heater comprises an outer shell, an inner shell, inner fins and outer fins;
the inner shell is positioned in the outer shell, and a liquid flow passage is formed between the outer shell and the inner shell; two ends of the outer shell are open, one end of the outer shell is used as a liquid flow passage inlet, and the other end of the outer shell is used as a liquid flow passage outlet; one end of the inner shell is open, the other end of the inner shell is closed, the open end is used as a flame channel inlet, and the liquid flow passage inlet and the flame channel inlet are positioned on the same side; a radial through hole is formed in the shell on one side of the open end of the inner shell, penetrates through the outer shell and is communicated with the outside to serve as a tail gas outlet; the inner surface of the inner shell is provided with inner fins along the axial direction, the inner fins are made of copper or copper alloy, the outer surface of the inner shell is provided with outer fins along the axial direction, and the outer fins are made of aluminum or aluminum alloy.
The thickness of the inner fin is 0.8mm-1mm, and the thickness of the outer fin is 0.8mm-1 mm.
Further, all be equipped with axial mounting groove on interior casing internal surface and the surface, be used for installing interior fin and outer fin respectively, axial mounting groove is along interior casing circumference evenly distributed.
Further, the inner shell is made of stainless steel.
Furthermore, the open end of the inner shell is fixedly connected with the open end of the liquid flow passage inlet of the outer shell through a flange plate, the inner shell is fixed on the inner circumferential surface of the flange plate, the outer shell is fixed on the outer circumferential surface of the flange plate, and the end surface of the flange plate is provided with an axial through hole communicated with the liquid flow passage.
Has the advantages that:
the inner fins and the outer fins are respectively arranged on the inner surface and the outer surface of the inner shell, the inner fins are made of copper or copper alloy, the outer fins are made of aluminum or aluminum alloy, the inner fins and the outer fins are made of different materials, the heat conduction quantity is different, the advantages of the inner fins and the outer fins are fully exerted, the diffusion speed is high, and the heat exchange efficiency of the heat exchanger is improved.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of the present invention;
wherein, 1-outer shell, 2-inner shell, 3-outer fin, 4-inner fin, 5-liquid channel outlet, 6-tail gas outlet, 7-flange, 8-flame channel inlet, 9-liquid channel inlet.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The embodiment provides a metal heat exchanger for a fuel oil and gas heater, which comprises an outer shell 1, an inner shell 2, inner fins 4, outer fins 3 and a flange 7, as shown in fig. 1.
The inner shell 2 is made of stainless steel, the inner shell 2 is positioned in the outer shell 1, and a liquid flow passage is formed between the outer shell 1 and the inner shell 2; two ends of the outer shell 1 are open, one end is used as a liquid flow passage inlet 9, and the other end is used as a hot fluid outlet; one end of the inner shell 2 is open, the other end is closed, the open end is used as a flame channel inlet 8, and the liquid flow passage inlet 9 and the flame channel inlet 8 are positioned on the same side; the shell body at one side of the open end of the inner shell body 2 is provided with a radial through hole which penetrates through the outer shell body 1 and is communicated with the outside to be used as a tail gas outlet 6. The open end of the inner shell 2 is fixedly connected with the open end of the liquid flow passage inlet 9 of the outer shell 1 through a flange 7, the inner shell 2 is fixed on the inner circumferential surface of the flange 7, the outer shell 1 is fixed on the outer circumferential surface of the flange 7, the end surface of the flange 7 is provided with an axial through hole communicated with the liquid flow passage, and the axial through hole is communicated with the liquid flow passage inlet 9.
All be equipped with axial mounting groove on interior casing 2 internal surface and the surface, be used for installing interior fin 4 and outer fin 3 respectively, axial mounting groove is along 2 circumference evenly distributed of interior casing. The inner fins 4 are axially mounted on the inner surface of the inner housing 2 and the outer fins 3 are axially mounted on the outer surface of the inner housing 2.
The inner fins 4 are made of copper or copper alloy, and the thickness of the inner fins 4 is 0.8mm-1 mm. The outer fins 3 are made of aluminum or aluminum alloy, and the thickness of the outer fins 3 is 0.8mm-1 mm.
The flame enters the cavity of the inner shell 2 through the flame channel inlet 8, absorbs heat by the inner fins 4 and is conducted to the outer fins 3 through the inner shell 2; meanwhile, the liquid absorbs the heat transferred by the outer fins 3 through the liquid flow channel inlet 9 and is discharged from the liquid flow channel outlet 5 through the liquid flow channel outlet 5; the tail gas after the heat exchange between the flame and the inner fins 4 is discharged from the tail gas outlet 6.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A metal heat exchanger for a fuel oil and gas heater is characterized by comprising an outer shell, an inner shell, inner fins and outer fins;
the inner shell is positioned in the outer shell, and a liquid flow passage is formed between the outer shell and the inner shell; two ends of the outer shell are open, one end of the outer shell is used as a liquid flow passage inlet, and the other end of the outer shell is used as a liquid flow passage outlet; one end of the inner shell is open, the other end of the inner shell is closed, the open end is used as a flame channel inlet, and the liquid flow passage inlet and the flame channel inlet are positioned on the same side; a radial through hole is formed in the shell on one side of the open end of the inner shell, penetrates through the outer shell and is communicated with the outside to serve as a tail gas outlet; the inner surface of the inner shell is provided with inner fins along the axial direction, the inner fins are made of copper or copper alloy, the outer surface of the inner shell is provided with outer fins along the axial direction, and the outer fins are made of aluminum or aluminum alloy.
2. The metal heat exchanger for a fuel and gas heater as set forth in claim 1, wherein said inner fins have a thickness of 0.8mm to 1mm, and said outer fins have a thickness of 0.8mm to 1 mm.
3. The metal heat exchanger for a fuel and gas heater as set forth in claim 1, wherein axial fitting grooves are formed on both inner and outer surfaces of the inner case for fitting the inner and outer fins, respectively, the axial fitting grooves being uniformly distributed along a circumferential direction of the inner case.
4. The metal heat exchanger for a fuel and gas heater as set forth in claim 1, wherein said inner housing is made of stainless steel.
5. The metal heat exchanger for a fuel and gas heater as set forth in claim 1, wherein the open end of said inner casing is fixedly connected to the open end of the liquid flow path inlet of the outer casing through a flange, said inner casing is fixed to the inner circumferential surface of the flange, the outer casing is fixed to the outer circumferential surface of the flange, and an axial through hole communicating with the liquid flow path is formed in the end surface of the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011267967.8A CN112594931A (en) | 2020-11-13 | 2020-11-13 | Metal heat exchanger for fuel oil and gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011267967.8A CN112594931A (en) | 2020-11-13 | 2020-11-13 | Metal heat exchanger for fuel oil and gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112594931A true CN112594931A (en) | 2021-04-02 |
Family
ID=75183003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011267967.8A Pending CN112594931A (en) | 2020-11-13 | 2020-11-13 | Metal heat exchanger for fuel oil and gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112594931A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4368777A (en) * | 1980-02-18 | 1983-01-18 | Centro Ricerche Fiat S.P.A. | Gas-liquid heat exchanger |
| JPS6438595A (en) * | 1987-07-31 | 1989-02-08 | Kawasaki Steel Co | Heat exchanger |
| CN102278244A (en) * | 2011-07-22 | 2011-12-14 | 北京北机机电工业有限责任公司 | Fin-type heterogeneous metal heat exchanger for fuel oil and gas heater |
| US20140054006A1 (en) * | 2010-05-13 | 2014-02-27 | Richardson Cooling Packages | Heat Exchanger Tank and Related Methods and Apparatuses |
| CN107514321A (en) * | 2017-07-12 | 2017-12-26 | 同济大学 | A kind of reforming hydrogen production device being used in egr system |
| JP2019113222A (en) * | 2017-12-21 | 2019-07-11 | 株式会社ニチリン | Double-pipe heat exchanger |
-
2020
- 2020-11-13 CN CN202011267967.8A patent/CN112594931A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4368777A (en) * | 1980-02-18 | 1983-01-18 | Centro Ricerche Fiat S.P.A. | Gas-liquid heat exchanger |
| JPS6438595A (en) * | 1987-07-31 | 1989-02-08 | Kawasaki Steel Co | Heat exchanger |
| US20140054006A1 (en) * | 2010-05-13 | 2014-02-27 | Richardson Cooling Packages | Heat Exchanger Tank and Related Methods and Apparatuses |
| CN102278244A (en) * | 2011-07-22 | 2011-12-14 | 北京北机机电工业有限责任公司 | Fin-type heterogeneous metal heat exchanger for fuel oil and gas heater |
| CN107514321A (en) * | 2017-07-12 | 2017-12-26 | 同济大学 | A kind of reforming hydrogen production device being used in egr system |
| JP2019113222A (en) * | 2017-12-21 | 2019-07-11 | 株式会社ニチリン | Double-pipe heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112796843B (en) | Turbine guide vane cooling device with low-melting-point metal as flowing working medium | |
| CN113489221A (en) | Motor cooling structure, motor and compressor | |
| CN114673563A (en) | Aeroengine turbine subassembly | |
| CN112594931A (en) | Metal heat exchanger for fuel oil and gas heater | |
| CN215419967U (en) | Heat dissipation structure for flywheel energy storage unit | |
| CN207991335U (en) | A kind of new type heat exchanger with bypass pipe structure | |
| CN215580689U (en) | Motor cooling structure, motor and compressor | |
| CN112727807A (en) | Cooling structure and air compressor | |
| CN201141702Y (en) | Gas flow equalizing ring for oil heater | |
| CN110098695B (en) | Cylindrical cooler structure | |
| CN219572767U (en) | Integral heat exchange tube heat exchanger assembly that allies oneself with | |
| CN211874560U (en) | Oil cooler and steam turbine | |
| CN100491860C (en) | Gas flow equalizing ring for oil heater | |
| CN218238479U (en) | High-effect heat exchanger | |
| KR101408949B1 (en) | Radiator with built-in oil cooler | |
| CN212884916U (en) | Deflector type copper pipe assembly for crystallizer | |
| CN214661079U (en) | Cooling structure and air compressor | |
| CN219064219U (en) | High-efficiency heat exchanger adopting spiral baffle plate | |
| CN216845776U (en) | 20kW/40kW burning heat exchanger | |
| CN216950505U (en) | High-temperature-resistant volute | |
| CN210625441U (en) | Cold-heat exchanger | |
| CN216240996U (en) | High-temperature-resistant EGR valve | |
| CN218155650U (en) | High-temperature skin heat exchanger | |
| CN214307695U (en) | Tandem type refrigeration heat exchanger | |
| CN215864060U (en) | Industrial electric heating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210402 |