CN203980955U - A kind of internal and external anti-corrosive type teflon heat exchanger - Google Patents
A kind of internal and external anti-corrosive type teflon heat exchanger Download PDFInfo
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- CN203980955U CN203980955U CN201420439609.4U CN201420439609U CN203980955U CN 203980955 U CN203980955 U CN 203980955U CN 201420439609 U CN201420439609 U CN 201420439609U CN 203980955 U CN203980955 U CN 203980955U
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- shell
- ptfe
- carbon steel
- heat exchanger
- polytetrafluoroethylene
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Abstract
The utility model discloses a kind of internal and external anti-corrosive type teflon heat exchanger, comprise carbon steel shell and be located at shell side medium channel and the tube side medium channel in carbon steel shell, tube side medium channel comprises adapter assembly and polytetrafluoroethylene (PTFE) tube bank, shell side medium channel comprises that the medium being divided on the outer wall of carbon steel shell two ends is into and out of the gap between interface and carbon steel shell and polytetrafluoroethylene (PTFE) tube bank, and the inwall and the medium that at shell side medium channel, are positioned at carbon steel shell are also laid with anticorrosive PTFE layer on the inwall of interface.Internal and external anti-corrosive type teflon heat exchanger of the present utility model is simple in structure, its shell side medium channel has good corrosion resistance, make enterprise can adopt a heat exchanger can be simultaneously to two kinds of Korrosionsmediums heat respectively, cooling, greatly reduce the equipment investment of enterprise, reduce the production cost of enterprise simultaneously, overcome the defect of prior art.
Description
Technical field
The utility model belongs to technical field of heat exchangers, says accurately and relates to a kind of corrosion resistant teflon heat exchanger.
Background technology
Heat exchanger is exchange heat and the indispensable equipment of transmission in chemical process.But in exchange heat, often to use the material that some corrosivity, oxidisability are very strong, therefore, require the material of manufacturing heat exchanger to there is anti-deep-etching performance.Conventional corrosion-resistant material mainly contains the metal materials such as the nonmetallic materials such as graphite, pottery, glass, polytetrafluoroethylene (PTFE) and stainless steel, titanium, tantalum, zirconium, but there is shortcoming frangible, that volume is large, heat conductivility is poor in the heat exchanger that the nonmetallic materials such as graphite, pottery, glass are made, with the heat exchanger that the metal materials such as titanium, tantalum, zirconium are made, because material cost is higher, cause heat exchanger price too expensive, stainless steel material is poor to the corrosion resistance of partial corrosion medium, uses and has potential safety hazard.And polytetrafluoroethylene (PTFE) is a kind of artificial synthetic macromolecular material, it has not viscosity of excellent chemical stability, extremely strong corrosion resistance, fabulous surface, thereby application is very extensive in the industrial environment of height corrosion, the heat exchanger made from polytetrafluoroethylmaterial material is widely used in the chemical industry of high corrosion.
Existing teflon heat exchanger, the main carbon steel that adopts is made shell, in shell, be provided with the tube bank that some polytetrafluoroethylmaterial materials are made, in heat exchange, a kind of MEDIA FLOW is restrained through polytetrafluoroethylene (PTFE), and the cavity of another kind of medium reverse flow between tube bank and shell, the thin-walled that two media is restrained by polytetrafluoroethylene (PTFE) carries out heat exchange, thereby reaches the object of exchange heat.Wherein, the medium of the polytetrafluoroethylene (PTFE) of flowing through tube bank is tube side medium conventionally, is mainly Korrosionsmedium; The medium in cavity between shell and tube bank of flowing through is shell side medium conventionally.The shell of making due to carbon steel does not have corrosion resistance, and therefore, shell side medium can only be noncorrosive medium.If chemical enterprise need in process of production to two kinds of Korrosionsmediums heat respectively, cooling, just must adopt two existing teflon heat exchangers, every heat exchanger carries out heat exchange with a kind of non-aggressive medium respectively, realization is to the heating of corresponding Korrosionsmedium or cooling, result increases the equipment investment of enterprise, and production cost improves.
Utility model content
The purpose of this utility model is: provide a kind of internal and external anti-corrosive type teflon heat exchanger, to solve existing heat exchanger because can not cause business equipment to drop into higher problem for the heat exchange between two kinds of Korrosionsmediums simultaneously.
The technical solution adopted in the utility model is: a kind of internal and external anti-corrosive type teflon heat exchanger, comprise carbon steel shell and be located at shell side medium channel and the tube side medium channel in carbon steel shell, described tube side medium channel is mainly comprised of the polytetrafluoroethylene (PTFE) tube bank that is divided into the adapter assembly of shell opposite end oral area and be connected between two adapter assemblies, described shell side medium channel is mainly entered by the medium being divided on the outer wall of carbon steel shell two ends, gap between outgoing interface and carbon steel shell and polytetrafluoroethylene (PTFE) tube bank forms, the inwall and the medium that at described shell side medium channel, are positioned at carbon steel shell enter, on the inwall of outgoing interface, be also laid with anticorrosive PTFE layer.
Between described tube sheet and corresponding shell end oral area, also grip annular polytetrafluoroethylene (PTFE) pressing plate, described polytetrafluoroethylene (PTFE) tube bank is through the centre bore of this cyclic polytetrafluoroethylene pressing plate, and described anticorrosive PTFE layer extends to shell end oral area for pressing and touch the end face coordinating with pressing plate.
At described adapter assembly, and tube sheet is pressed between the tactile binding face coordinating and tube sheet is pressed between the tactile binding face coordinating and is respectively equipped with seal washer with polytetrafluoroethylene (PTFE) pressing plate.
Outer opening's edge place at described medium into and out of interface is installed with respectively for connecting the adpting flange of corresponding pipeline, and described anticorrosive PTFE layer extends to corresponding adpting flange for the outer face with corresponding pipe flange compression fit.
Internal and external anti-corrosive type teflon heat exchanger of the present utility model lays anticorrosive PTFE layer on the basis of existing teflon heat exchanger on the inwall of carbon steel shell, make the shell side medium channel of heat exchanger also there is good corrosion resistance, thereby make enterprise can adopt a heat exchanger can be simultaneously to two kinds of Korrosionsmediums heat respectively, cooling, greatly reduce the equipment investment of enterprise, reduce the production cost of enterprise simultaneously, overcome the defect of prior art.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model internal and external anti-corrosive type teflon heat exchanger specific embodiment.
The specific embodiment
As shown in Figure 1, this heat exchanger comprises the carbon steel shell 1 of tubular to the specific embodiment of internal and external anti-corrosive type teflon heat exchanger of the present utility model, is respectively equipped with two for passing into shell side medium channel and the tube side medium channel of different medium in carbon steel shell 1.Tube side medium channel is mainly comprised of the polytetrafluoroethylene (PTFE) tube bank 3 that is divided into the adapter assembly of carbon steel shell 1 upper/lower terminal and be connected between two adapter assemblies, wherein, polytetrafluoroethylene (PTFE) tube bank 3 comprises some polyfluortetraethylene pipes that are set up in parallel, the two ends of each polyfluortetraethylene pipe install respectively and are fixed on correspondence and arrange in tube sheet 6, and the interval, middle part of polytetrafluoroethylene (PTFE) tube bank 3 is laid with deflection plate 4; Adapter assembly comprises the pipe joint 8 that polytetrafluoroethylmaterial material makes and is connected the combination end socket 7 of this pipe joint 8 and ring flange, pipe joint 8 be fixedly connected with combination end socket 7 and by with combine the spacing ring flange coordinating of end socket 7 blocks and be fixed on the port part that carbon steel shell 1 is corresponding.In the present embodiment, between the port part of the tube sheet 6 of restraining 3 two ends at polytetrafluoroethylene (PTFE) and corresponding carbon steel shell 1, also grip respectively annular polytetrafluoroethylene (PTFE) pressing plate 10, the two ends of polytetrafluoroethylene (PTFE) tube bank 3, respectively through the centre bore of corresponding polytetrafluoroethylene (PTFE) pressing plate 10, are fixed tube sheet 6 and polytetrafluoroethylene (PTFE) pressing plate 10 by the adpting flange between adapter assembly and carbon steel shell 1 corresponding end oral area.At each adapter assembly, and corresponding tube sheet 6 is pressed between the binding face that touches cooperation and each tube sheet 6 is pressed between the tactile binding face coordinating and is equipped with seal washer 9 with corresponding polytetrafluoroethylene (PTFE) pressing plate 10, to strengthen the sealing property of heat exchanger, avoids Korrosionsmedium seepage.
Shell side medium channel forms into and out of the gap between interface 5,11 and carbon steel shell 1 inner chamber and polytetrafluoroethylene (PTFE) tube bank 3 by being divided into the medium that is communicated with shell inner cavity on carbon steel shell 1 top and bottom sidewall, at medium, into and out of the outer opening's edge portion of interface 5,11, is fixed with respectively the mounting flange for corresponding connecting pipe.In the present embodiment, it is positioned at the inwall of carbon steel shell 1 and medium channel and is laid with respectively anticorrosive PTFE layer 2 into and out of the inwall of interface 5,11 in shell side medium channel.
Because carbon steel shell 1 inwall in shell side medium channel is all laid with anticorrosive PTFE layer with medium inlet and outlet connectors 5,11 inwalls that are connected carbon steel shell 1 inner chamber, make the shell side medium channel of this teflon heat exchanger there is good corrosion resistance, thereby can be used in two kinds of heat exchange between the Korrosionsmedium that has a temperature difference.
Further, the anticorrosive PTFE layer laying in shell side medium channel also extends for pressing to touch on the end face of cooperation and the mounting flange outer face of medium inlet and outlet connectors 5,11 with corresponding polytetrafluoroethylene (PTFE) pressing plate 10 to carbon steel shell 1 port part respectively.Thereby in the time of can guaranteeing to use, Korrosionsmedium, all the time in the shell side medium channel in being surrounded by anticorrosive PTFE layer, improves the dependability of this teflon heat exchanger.
Claims (4)
1. an internal and external anti-corrosive type teflon heat exchanger, comprise carbon steel shell and be located at shell side medium channel and the tube side medium channel in carbon steel shell, described tube side medium channel is mainly comprised of the polytetrafluoroethylene (PTFE) tube bank that is divided into the adapter assembly of shell opposite end oral area and be connected between two adapter assemblies, described shell side medium channel is mainly entered by the medium being divided on the outer wall of carbon steel shell two ends, gap between outgoing interface and carbon steel shell and polytetrafluoroethylene (PTFE) tube bank forms, it is characterized in that, the inwall and the medium that at described shell side medium channel, are positioned at carbon steel shell enter, on the inwall of outgoing interface, be also laid with anticorrosive PTFE layer.
2. internal and external anti-corrosive type teflon heat exchanger according to claim 1, it is characterized in that, between described tube sheet and corresponding shell end oral area, also grip annular polytetrafluoroethylene (PTFE) pressing plate, described polytetrafluoroethylene (PTFE) tube bank is through the centre bore of this cyclic polytetrafluoroethylene pressing plate, and described anticorrosive PTFE layer extends to shell end oral area for pressing and touch the end face coordinating with pressing plate.
3. internal and external anti-corrosive type teflon heat exchanger according to claim 2, it is characterized in that, at described adapter assembly, and tube sheet is pressed between the tactile binding face coordinating and tube sheet is pressed between the tactile binding face coordinating and is respectively equipped with seal washer with polytetrafluoroethylene (PTFE) pressing plate.
4. internal and external anti-corrosive type teflon heat exchanger according to claim 1, it is characterized in that, outer opening's edge place at described medium into and out of interface is installed with respectively for connecting the adpting flange of corresponding pipeline, and described anticorrosive PTFE layer extends to corresponding adpting flange for the outer face with corresponding pipe flange compression fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420439609.4U CN203980955U (en) | 2014-01-14 | 2014-08-06 | A kind of internal and external anti-corrosive type teflon heat exchanger |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420020300 | 2014-01-14 | ||
| CN201420020300.1 | 2014-01-14 | ||
| CN201420439609.4U CN203980955U (en) | 2014-01-14 | 2014-08-06 | A kind of internal and external anti-corrosive type teflon heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203980955U true CN203980955U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420439609.4U Expired - Fee Related CN203980955U (en) | 2014-01-14 | 2014-08-06 | A kind of internal and external anti-corrosive type teflon heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203980955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174018A (en) * | 2019-04-08 | 2019-08-27 | 无锡市钱桥化工机械有限公司 | Economic benefits and social benefits and the heat-exchange system that cooling thermal impact can be reduced |
-
2014
- 2014-08-06 CN CN201420439609.4U patent/CN203980955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174018A (en) * | 2019-04-08 | 2019-08-27 | 无锡市钱桥化工机械有限公司 | Economic benefits and social benefits and the heat-exchange system that cooling thermal impact can be reduced |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20150806 |
|
| EXPY | Termination of patent right or utility model |