CN1752709A - Finned plate drawer type fluorine plastic corrosion-proof heat exchanger and preparing process thereof - Google Patents
Finned plate drawer type fluorine plastic corrosion-proof heat exchanger and preparing process thereof Download PDFInfo
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- CN1752709A CN1752709A CN 200510094970 CN200510094970A CN1752709A CN 1752709 A CN1752709 A CN 1752709A CN 200510094970 CN200510094970 CN 200510094970 CN 200510094970 A CN200510094970 A CN 200510094970A CN 1752709 A CN1752709 A CN 1752709A
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Abstract
The present invention relates to a finned plate drawer type fluoroplastic anticorrosive heat exchanger and its preparation process. Its structure is formed from metal external shell, high heat-transfer fluoroplstic heat exchanger main body and two metal-fluoroplastic composite closure heads. The high heat-transfer fluoroplastic heat exchanger main body is formed from several fluoroplastic composite material drawers and two fluoroplastic supporting plates, in the drawer interior the fluoroplastic finned plates are welded. Said invention also provides the concrete steps of its preparation process.
Description
Technical field
That the present invention relates to is a kind of finned plate drawer type fluorine plastic corrosion-proof heat exchanger and preparation technology thereof.
Background technology
At present, plate-fin heat exchanger is as a kind of efficient, compact, light and handy heat transmission equipment, be used widely in fields such as petrochemical industry, Aero-Space, electronics, atomic energy, weapon industry, metallurgy, power engineering and machineries, and utilize heat energy, recovery waste heat, economize in raw materials, reduce cost and some specific uses on obtained remarkable economic efficiency.In recent years, the research that the design theory of plate-fin heat exchanger, experimental study, manufacturing process, developing are used is in the ascendant, and the particularly infiltration of some new technologies makes its range of application more extensive, has entered a new developing period.
Adopting heat-conducting polymer material to prepare corrosion-proof heat exchanger is the problem that domestic and international researcher extremely pays close attention to, and the high-performance heat exchanger that especially adopts polytetrafluoroethylmaterial material to prepare anti-harsh corrosive medium is the research key subjects.Although polytetrafluoroethylmaterial material has very excellent decay resistance, but the thermal conductivity of polytetrafluoroethylene (PTFE) is low, the unusual defective such as difficulty of poor mechanical property, processing, make its design and application facet be subjected to great restriction at corrosion-proof heat exchanger, can only prepare the less pipe heat exchanger of some calibers at present, if develop and design the high-performance heat exchanger of wing plate structure, must solve mechanical property, lower thermal conductivity, preparation technology and the problems such as technology and structural design of polytetrafluoroethylene (PTFE).
Summary of the invention
The present invention seeks to provides a kind of finned plate drawer type fluorine plastic corrosion-proof heat exchanger and preparation technology thereof at above-mentioned weak point, adopt the structural design of finned plate drawer type fluorine plastic corrosion-proof heat exchanger, utilize wing plate drawer internal circulation corrosive medium, outside circulation cooling medium, wing plate structure purpose is to increase heat exchange efficiency.
Finned plate drawer type fluorine plastic corrosion-proof heat exchanger and preparation technology thereof take following scheme to realize:
The finned plate drawer type fluorine plastic corrosion-proof heat exchanger structure is made up of metal shell, high heat conduction teflon heat exchanger main body, two metal-fluorine plastics combined end sockets; High heat conduction teflon heat exchanger main body is made up of the fluorine plastics combined material drawer of several high conductive high strengths and two fluoroplastics gripper shoes, the fluorine plastics combined material drawer of several high conductive high strengths is welded with the fluoroplastics wing plate of high heat conductance in the fluorine plastics combined material drawer of high conductive high strength on two fluoroplastics gripper shoes.Metal shell is provided with cooling water inlet adapter, discharge connection.Two metal-fluorine plastics combined end sockets are provided with corrosive medium entrance sleeve, discharge connection.Re corrosive medium is entered by end socket like this, goes out through another end socket by the inner cooling of each drawer; Cooling water is entered by the entrance sleeve of metal shell, and cool off the corrosive medium of drawer inside the outside of each drawer of flowing through, and flows out from the discharge connection of metal shell, realizes heat transfer process.
The preparation process of finned plate drawer type fluorine plastic corrosion-proof heat exchanger:
Although polytetrafluoroethylmaterial material belongs to thermoplastic, but under molten condition, do not have mobile performance, therefore, solder technology is usually adopted in being tightly connected between the polytetrafluoroethylene (PTFE) part, the welding of polytetrafluoroethylene (PTFE) must have high welding temperature, and welding the time will exert pressure, otherwise welding performance is bad, and this also is that the fin plate type teflon heat exchanger is difficult to the key issue making and design;
The preparation process of finned plate drawer type fluorine plastic corrosion-proof heat exchanger is as follows:
1. adopt high heat conductance, high-strength polytetrafluoroethyl-ne composite material sheet to make the fluorine plastics combined material rectangular drawer of high conductive high strength (plaque type hollow, rectangular pipe);
2. adopt the high heat conductance polytetrafluoroethylsheet sheet to make U-shaped wing plate;
3. U-shaped wing plate is welded in the fluorine plastics combined material rectangular drawer of high conductive high strength, welding temperature is 370～385 ℃, welding pressure is 2～4MPa, so not only increase the heat exchange area of the fluorine plastics combined material drawer of high conductive high strength, and improved the strength and stiffness of the fluorine plastics combined material drawer of high conductive high strength;
4. make two fluoroplastics gripper shoes, several rectangle square holes are set on the fluoroplastics gripper shoe, size matches with the appearance and size of the fluorine plastics combined material rectangular drawer of high conductive high strength;
With the two ends of the fluorine plastics combined material rectangular drawer of each high conductive high strength respectively symmetry be installed in the rectangular opening of two fluoroplastics gripper shoes; And adopt welding method to connect and sealing, and welding temperature is 350～370 ℃, welding pressure is 2～4MPa, so just makes high heat conduction teflon heat exchanger main body;
6. high heat conduction teflon heat exchanger main body is installed in the metal shell of heat exchanger, and carries out encapsulation process with rubber seal;
7. make two metals-fluorine plastics combined end socket, compound fluoroplastics liner in metal end enclosure;
8. the metal shell of two metals-fluorine plastics combined end socket and heat exchanger is fastened together with screw, and carries out encapsulation process with sealing gasket, promptly make the finned plate drawer type fluorine plastic corrosion-proof heat exchanger finished product at corresponding site.
Finned plate drawer type fluorine plastic corrosion-proof heat exchanger and preparation technology's thereof design and exploitation have possessed many characteristics:
1. the ptfe composite of development high heat conductance, strong mechanical performance substitutes common polytetrafluoroethylmaterial material; The thermal conductivity of pure polytetrafluoroethylmaterial material is 0.22W/ (mK), about hot strength 22MPa, and the thermal conductivity of the ptfe composite of high heat conductance, strong mechanical performance is 1.2～1.5W/ (mK), and hot strength is 60～80MPa, and material stiffness and creep resisting ability improve greatly.
2. work out the preparation technology and the solder technology of preparation finned plate drawer type fluorine plastic corrosion-proof heat exchanger.Its preparation processing technology is reasonable in design, preparation processing, easy to assembly.
3. according to preparation technology and technology, design the new construction of finned plate drawer type fluorine plastic corrosion-proof heat exchanger.It is reasonable in design, and is simple in structure, easy to assembly, and antiseptic property is good, the heat exchange efficiency height.
4. develop preparation wing plate, drawer and high heat conduction teflon heat exchanger main body forming mould and equipment.
Description of drawings
The invention will be further described below with reference to accompanying drawing.
Fig. 1 is the finned plate drawer type fluorine plastic corrosion-proof heat exchanger front view.
Fig. 2 is the finned plate drawer type fluorine plastic corrosion-proof heat exchanger left view.
Concrete real mode
With reference to accompanying drawing 1,2, the finned plate drawer type fluorine plastic corrosion-proof heat exchanger structure is made up of metal shell 1, high heat conduction teflon heat exchanger main body 4, two metal-fluorine plastics combined end sockets 3; High heat conduction teflon heat exchanger main body 4 is made up of the fluorine plastics combined material drawer 6 of several high conductive high strengths and two fluoroplastics gripper shoes 2, several rectangle square holes are set on two fluoroplastics gripper shoes, and size matches with the appearance and size of the fluorine plastics combined material rectangular drawer of high conductive high strength; The fluorine plastics combined material drawer 6 of several high conductive high strengths is welded on respectively in two rectangle square holes on the fluoroplastics gripper shoe 2, is welded with the fluoroplastics wing plate 5 of high heat conductance in the fluorine plastics combined material drawer 6 of high conductive high strength.Metal shell 1 is provided with cooling water inlet adapter 9, discharge connection 10.Metal-fluorine plastics combined end socket 3 is compound fluoroplastics liners in metal end enclosure.Two metal-fluorine plastics combined end sockets 3 are provided with corrosive medium entrance sleeve 7, discharge connection 8.Re corrosive medium is entered by end socket like this, goes out through another end socket by the fluorine plastics combined material drawer 6 inner coolings of each high conductive high strength; Cooling water is entered by the entrance sleeve 9 of metal shell, the outside of the fluorine plastics combined material drawer 6 of each high conductive high strength of flowing through, corrosive medium to the fluorine plastics combined material drawer of high conductive high strength 6 inside cools off, flow out from the discharge connection 10 of metal shell, realize heat transfer process, the heat exchange efficiency height.
The preparation process of finned plate drawer type fluorine plastic corrosion-proof heat exchanger: in order to realize the welding between the heat exchanger main parts size, to making high heat conduction teflon heat exchanger main body 4 is that preparation technology's requirement is successively arranged, at first to make several and adopt high heat conductance, the high-strength polytetrafluoroethyl-ne composite material sheet is made the fluorine plastics combined material rectangular drawer of high conductive high strength (plaque type hollow, rectangular pipe) 6 and is adopted the high heat conductance polytetrafluoroethylsheet sheet to make U-shaped wing plate 5, and the fluoroplastics wing plate 5 with fluorine plastics combined material drawer 6 of high conductive high strength and high heat conductance welds then; Each drawer 6 and two fluoroplastics gripper shoes 2 of being welded with the wing plate are welded, could make high heat conduction teflon heat exchanger main body 4 like this; Heat exchanger metal shell and high heat conduction teflon heat exchanger main body 4 are installed together, high heat conduction teflon heat exchanger main body are installed in the metal shell of heat exchanger, and carry out encapsulation process; Make two metals-fluorine plastics combined end socket 3, compound fluoroplastics liner in metal end enclosure; Two metals-fluorine plastics combined end socket 3 is installed, two metals-fluorine plastics combined end socket 3 and the metal shell 1 usefulness screw of heat exchanger are fastened together, and carry out encapsulation process with sealing gasket at corresponding site, promptly make the finned plate drawer type fluorine plastic corrosion-proof heat exchanger finished product.
In order to improve the welding quality between the polytetrafluoroethylene (PTFE) parts and to shorten weld interval, simplify welding procedure, it is 350～370 ℃ as the welding compound welding temperature that present technique adopts modification meltability fluorine material, and welding pressure is 2～4MPa.The drawer material adopts the high conductive high strength ptfe composite, and its thermal conductivity is 1.2～1.5W/ (mK), and hot strength is 60～80MPa.
Wing sheet material material adopts high heat conduction ptfe composite, and thermal conductivity is 1.8～2.0W/ (mK).
Claims (7)
1, a kind of finned plate drawer type fluorine plastic corrosion-proof heat exchanger is characterized in that structure is made up of metal shell, high heat conduction teflon heat exchanger main body, two metal one fluorine plastics combined end sockets; High heat conduction teflon heat exchanger main body is made up of the fluorine plastics combined material drawer of several high conductive high strengths and two fluoroplastics gripper shoes, the fluorine plastics combined material drawer of several high conductive high strengths is welded on two fluoroplastics gripper shoes, is welded with the fluoroplastics wing plate of high heat conductance in the fluorine plastics combined material drawer of high conductive high strength.
2, finned plate drawer type fluorine plastic corrosion-proof heat exchanger according to claim 1 is characterized in that metal shell is provided with cooling water inlet adapter, discharge connection.
3, finned plate drawer type fluorine plastic corrosion-proof heat exchanger according to claim 1 is characterized in that two metals, one fluorine plastics combined end socket is provided with corrosive medium entrance sleeve, discharge connection.
4, finned plate drawer type fluorine plastic corrosion-proof heat exchanger according to claim 1, it is characterized in that several rectangle square holes are set on two fluoroplastics gripper shoes, size matches with the appearance and size of the fluorine plastics combined material rectangular drawer of high conductive high strength.
5, the preparation technology of the described finned plate drawer type fluorine plastic corrosion-proof heat exchanger of claim 1 is characterized in that preparation process is as follows:
(1) adopt high heat conductance, high-strength polytetrafluoroethyl-ne composite material sheet to make the fluorine plastics combined material rectangular drawer of high conductive high strength;
(2) adopt the high heat conductance polytetrafluoroethylsheet sheet to make U-shaped wing plate;
(3) U-shaped wing plate is welded in the fluorine plastics combined material rectangular drawer of high conductive high strength, welding temperature is 370～385 ℃, and welding pressure is 2～4Mpa;
(4) make two fluoroplastics gripper shoes, several rectangle square holes are set on the fluoroplastics gripper shoe, size matches with the appearance and size of the fluorine plastics combined material rectangular drawer of high conductive high strength;
(5) with the two ends of the fluorine plastics combined material rectangular drawer of each high conductive high strength respectively symmetry be installed in the rectangular opening of two fluoroplastics gripper shoes; And adopt welding method to connect and sealing, and welding temperature is 350～370 ℃, welding pressure is 2～4MPa, so just makes high heat conduction teflon heat exchanger main body;
(6) high heat conduction teflon heat exchanger main body is installed in the metal shell of heat exchanger, and carries out encapsulation process with rubber seal;
(7) make two metal-fluorine plastics combined end sockets, compound fluoroplastics liner in metal end enclosure;
(8) metal shell of two metal-fluorine plastics combined end sockets and heat exchanger is fastened together with screw, and carries out encapsulation process with sealing gasket, promptly make the finned plate drawer type fluorine plastic corrosion-proof heat exchanger finished product at corresponding site.
6, the preparation technology of finned plate drawer type fluorine plastic corrosion-proof heat exchanger according to claim 5 is characterized in that the drawer material adopts the high conductive high strength ptfe composite, and its thermal conductivity is 1.2～1.5W/ (mK), and hot strength is 60～80MPa.
7, the preparation technology of finned plate drawer type fluorine plastic corrosion-proof heat exchanger according to claim 5 is characterized in that wing sheet material material adopts high heat conduction ptfe composite, and thermal conductivity is 1.8～2.0W/ (mK).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510094970 CN1752709A (en) | 2005-10-24 | 2005-10-24 | Finned plate drawer type fluorine plastic corrosion-proof heat exchanger and preparing process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510094970 CN1752709A (en) | 2005-10-24 | 2005-10-24 | Finned plate drawer type fluorine plastic corrosion-proof heat exchanger and preparing process thereof |
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| CN1752709A true CN1752709A (en) | 2006-03-29 |
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| CN 200510094970 Pending CN1752709A (en) | 2005-10-24 | 2005-10-24 | Finned plate drawer type fluorine plastic corrosion-proof heat exchanger and preparing process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571355B (en) * | 2009-06-01 | 2011-01-05 | 苏州中门子科技有限公司 | Strong loop quick cooling chamber |
| CN105605947A (en) * | 2016-03-07 | 2016-05-25 | 西安交通大学 | Fluorine plastic tubular heat exchanger capable of being horizontally arranged |
-
2005
- 2005-10-24 CN CN 200510094970 patent/CN1752709A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571355B (en) * | 2009-06-01 | 2011-01-05 | 苏州中门子科技有限公司 | Strong loop quick cooling chamber |
| CN105605947A (en) * | 2016-03-07 | 2016-05-25 | 西安交通大学 | Fluorine plastic tubular heat exchanger capable of being horizontally arranged |
| CN105605947B (en) * | 2016-03-07 | 2017-06-20 | 西安交通大学 | It is a kind of can horizontal positioned fluoroplastics pipe heat exchanger |
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