CN209459490U - Silicon carbide heat exchanger outer sealing device - Google Patents
Silicon carbide heat exchanger outer sealing device Download PDFInfo
- Publication number
- CN209459490U CN209459490U CN201821634456.3U CN201821634456U CN209459490U CN 209459490 U CN209459490 U CN 209459490U CN 201821634456 U CN201821634456 U CN 201821634456U CN 209459490 U CN209459490 U CN 209459490U
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- China
- Prior art keywords
- heat exchanger
- silicon carbide
- corrosion
- sealing device
- tube
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Abstract
The utility model discloses a kind of silicon carbide heat exchanger outer sealing devices, including anti-corrosion tube sheet, support plate and at least one metal tube sheets, support plate is located between anti-corrosion tube sheet and metal tube sheets, anti-corrosion tube sheet is connect with end socket, metal tube sheets are connect with shell, anti-corrosion tube sheet, support plate and metal tube sheets are above-mentioned equipped with the corresponding mounting hole in position, carborundum tube passes through mounting hole, the end of carborundum tube is fixed on the side of anti-corrosion tube sheet by first seal, the other side of anti-corrosion tube sheet connects carborundum tube by second seal, carborundum tube connects metal tube sheets by third sealing element, the utility model provides a kind of structure safety, it prevents from leaking, sealing effect is good, monitoring in time and the silicon carbide heat exchanger outer sealing device that leak materials can be analyzed in time.
Description
Technical field
The utility model relates to chemical mechanical equipment fields, are more particularly to a kind of silicon carbide heat exchanger outer side seal dress
It sets.
Background technique
Silicon carbide heat exchanger is a kind of new type heat exchanger using thyrite as a heat transfer medium.Due to carbonization
Silicon ceramics have the good characteristics such as corrosion-resistant, high temperature resistant, highly thermally conductive, high rigidity, wear-resisting.It has high temperature resistant and heat shock resistance
Excellent properties;Thermal coefficient is equal with stainless steel;There is good corrosion resistance in oxidisability and acid medium.In structure at
It solves the problems, such as to function thermal compensation and preferably solves air seal.The device heat transfer efficiency is high, and energy-saving effect is significant, to
The process gas of warm-up combustion-supporting air or the certain processes of heating, can save non-renewable energy, gas saving up to 30% or more, and
Can reinforcement process process, significantly improve production capacity.The pressing of carborundum tube upper seal is usually adopted in the prior art
With fixed compression mode, but such pressing mode is as multiple heating is cooling, sealing material aging and then can be formed
The leakage of medium is caused in gap.Simultaneously because medium is integrally sealing, even if so leakage, which occurs, to be found in time.
Utility model content
To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of structures safely, prevents leakage, sealing
Effect is good, timely monitoring and the silicon carbide heat exchanger outer sealing device that can analyze leak materials in time.
One aspect according to the present utility model, provides silicon carbide heat exchanger outer sealing device, including anti-corrosion tube sheet,
Support plate and at least one metal tube sheets, support plate are located between anti-corrosion tube sheet and metal tube sheets, and anti-corrosion tube sheet is connect with end socket,
Metal tube sheets are connect with shell, and anti-corrosion tube sheet, support plate and metal tube sheets are above-mentioned equipped with the corresponding mounting hole in position, carborundum tube
Across mounting hole, the end of carborundum tube is fixed on the side of anti-corrosion tube sheet, the other side of anti-corrosion tube sheet by first seal
Carborundum tube is connected by second seal, carborundum tube connects metal tube sheets by third sealing element.
In some embodiments, the both ends of carborundum tube are equipped at least twice annular recess.
In some embodiments, first seal includes tetrafluoro screw thread pressing sleeve, the tetrafluoro set gradually to housing direction
Washer, O-ring, tetrafluoro washer, soft tetrafluoro filler and O-ring, O-ring are set in annular recess.
In some embodiments, second seal includes that the O-ring set gradually to housing direction, soft tetrafluoro are filled out
Material, O-ring, tetrafluoro washer and elastic supporting member for supporting optical member.
In some embodiments, third sealing element includes the elastic supporting member for supporting optical member set gradually to housing direction, phenyl tetrafluoride pad
Circle, O-ring, tetrafluoro washer, soft tetrafluoro filler and O-ring.
In some embodiments, elastic supporting member for supporting optical member is hollow tetrafluoro bellows.
In some embodiments, between end socket and anti-corrosion tube sheet, between anti-corrosion tube sheet and support plate, support plate and metal
Between tube sheet, the 4th sealing element is equipped between metal tube sheets and shell.
In some embodiments, the 4th sealing element is rubber seal.
In some embodiments, support plate vertical direction is equipped with detection slot, and the top of detection slot is equipped with leak detection
Device, the bottom of detection slot are equipped with tapping valve, and tapping valve is equipped with fastening bolt, and leak detection apparatus is pressure sensing
Device.
In some embodiments, mounting hole all in detection slot connection support plate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model silicon carbide heat exchanger outer sealing device;
Fig. 2 is the partial enlarged view of A in Fig. 1;
Fig. 3 is the partial enlarged view of B in Fig. 1;
Fig. 4 is the partial enlarged view of C in Fig. 1.
Specific embodiment
The utility model is further described With reference to embodiment.
As shown in Figure 1,9 heat exchanger single-side sealing device of silicon carbide described in the utility model, including anti-corrosion tube sheet 1, branch
Fagging 2 and at least one metal tube sheets 3, support plate 2 are located between anti-corrosion tube sheet 1 and metal tube sheets 3, anti-corrosion tube sheet 1 and end socket 4
Connection, metal tube sheets 3 connect with shell 5, and anti-corrosion tube sheet 1, support plate 2 and metal tube sheets 3 are above-mentioned equipped with the corresponding installation in position
Hole, carborundum tube 9 pass through mounting hole, and the end of carborundum tube 9 is fixed on the side of anti-corrosion tube sheet 1 by first seal 6, prevent
The other side of rotten tube sheet 1 connects carborundum tube 9 by second seal 7, and carborundum tube 9 connects metal by third sealing element 8
Tube sheet 3.The utility model is suitable for corrosion material and flows in carborundum tube 9, is convenient for using anti-corrosion tube sheet 1 in end socket 4
Corrosion liquid is sealed.Wherein anti-corrosion tube sheet 1 is optimal is made of tetrafluoride material, and the inner wall of end socket 4 is also required to be equipped with anti-corrosion
Coating.
As shown in Fig. 2, first seal 6 includes tetrafluoro screw thread pressing sleeve 61, the tetrafluoro washer set gradually to 5 direction of shell
62, O-ring 63, tetrafluoro washer 62, soft tetrafluoro filler 64 and O-ring 63, O-ring 63 are set in annular recess.By setting
Tetrafluoro washer 62, O-ring 63, tetrafluoro washer 62, soft tetrafluoro filler 64 and the O-ring 63 set be carborundum tube 9 and through-hole it
Between sealing be more bonded.
The both ends of carborundum tube 9 are equipped at least twice annular recess.By twice annular recess convenient for holding O-ring 63
Position, prevent the medium in shell 51 from leaking to guarantee sealing effect more preferably.
Such as figure, shown in 3, fixed compression is generallyd use for the pressing of 9 upper seal of carborundum tube in the prior art
Mode, but such pressing mode causes medium as multiple heating is cooling, sealing material meeting aging forms gap in turn
Leakage, second seal 7 includes the O-ring 63, soft tetrafluoro filler 64, O-ring 63, four set gradually to 5 direction of shell
Fluorine washer 62 and elastic supporting member for supporting optical member 65.It is always maintained at the pressing of sealing material at any time using elastic supporting member for supporting optical member 65, guarantees close
Sealing property is good.
As shown in figure 4, third sealing element 8 includes elastic supporting member for supporting optical member 65, the tetrafluoro washer set gradually to 5 direction of shell
62, O-ring 63, tetrafluoro washer 62, soft tetrafluoro filler 64 and O-ring 63.It is convenient for protecting always at any time using elastic supporting member for supporting optical member 65
The pressing of sealing material is held, guarantees favorable sealing property.
Elastic supporting member for supporting optical member 65 is hollow tetrafluoro bellows.Elastic supporting member for supporting optical member 65 is it is also an option that spring, the spring of metal
Or spring made of anti-corrosion material.
Between end socket 4 and anti-corrosion tube sheet 1, between anti-corrosion tube sheet 1 and support plate 2, between support plate 2 and metal tube sheets 3, gold
Belong to and is equipped with the 4th sealing element 10 between tube sheet 3 and shell 5.
4th sealing element 10 is rubber seal.By rubber seal, convenient for by between end socket 4 and anti-corrosion tube sheet 1, it is anti-
It is sealed mutually between rotten tube sheet 1 and support plate 2, between support plate 2 and metal tube sheets 3, between metal tube sheets 3 and shell 5,
It prevents from leaking.
Simultaneously in the prior art since heat exchanger is integrally sealing, even if so leakage, which occurs, to be found in time.
2 vertical direction of support plate is equipped with detection slot 21, and the top of detection slot 21 is equipped with leak detection apparatus 22, the bottom of detection slot 21
Equipped with tapping valve 23, tapping valve 23 is equipped with fastening bolt, and leak detection apparatus 22 is pressure sensor.It is passed by pressure
Convenient for monitoring the pressure in detection slot 21 in fact, the pressure value after leakage does not occur and leaks in detection slot 21 is sensor
It is different, it timely monitors whether to leak by pressure sensor;By tapping valve 23 convenient for detection in time
It is that leakage occurs for corrosion liquid or thermal medium leaks out.
Detection slot 21 is connected to mounting hole all in support plate 2.In order to whether leaked in all mounting holes into
Row detection.
Above-described is only some embodiments of the utility model, it is noted that for the ordinary skill of this field
For personnel, under the premise of not departing from the concept of the utility model, other modification and improvement can also be made, these are all
Belong to the protection scope of the utility model.
Claims (10)
1. silicon carbide heat exchanger outer sealing device, which is characterized in that including anti-corrosion tube sheet, support plate and at least one metal tube
Plate, the support plate are located between anti-corrosion tube sheet and metal tube sheets, and the anti-corrosion tube sheet is connect with end socket, the metal tube sheets with
Shell connection, the anti-corrosion tube sheet, support plate and metal tube sheets are above-mentioned equipped with the corresponding mounting hole in position, and carborundum tube passes through peace
Fill hole, the end of the carborundum tube is fixed on the side of anti-corrosion tube sheet by first seal, the anti-corrosion tube sheet it is another
Side connects carborundum tube by second seal, and the carborundum tube connects metal tube sheets by third sealing element.
2. silicon carbide heat exchanger outer sealing device according to claim 1, which is characterized in that the two of the carborundum tube
End is equipped at least twice annular recess.
3. silicon carbide heat exchanger outer sealing device according to claim 1, which is characterized in that the first seal packet
Include the tetrafluoro screw thread pressing sleeve set gradually to housing direction, tetrafluoro washer, O-ring, tetrafluoro washer, soft tetrafluoro filler and O-shaped
Circle, the O-ring are set in annular recess.
4. silicon carbide heat exchanger outer sealing device according to claim 1, which is characterized in that the second seal packet
Include the O-ring set gradually to housing direction, soft tetrafluoro filler, O-ring, tetrafluoro washer and elastic supporting member for supporting optical member.
5. silicon carbide heat exchanger outer sealing device according to claim 4, which is characterized in that the third sealing element packet
Include the elastic supporting member for supporting optical member set gradually to housing direction, tetrafluoro washer, O-ring, tetrafluoro washer, soft tetrafluoro filler and O-ring.
6. according to silicon carbide heat exchanger outer sealing device described in claim 4 or 5, which is characterized in that the elasticity branch
Support member is hollow tetrafluoro bellows.
7. silicon carbide heat exchanger outer sealing device according to claim 1, which is characterized in that the end socket and anti-corrosion pipe
It is close that the 4th is equipped between plate, between anti-corrosion tube sheet and support plate, between support plate and metal tube sheets, between metal tube sheets and shell
Sealing.
8. silicon carbide heat exchanger outer sealing device according to claim 7, which is characterized in that the 4th sealing element is
Rubber seal.
9. silicon carbide heat exchanger outer sealing device according to claim 1, which is characterized in that the support plate is square vertically
Leak detection apparatus is installed to the top for being equipped with detection slot, the detection slot, the bottom of the detection slot is equipped with tapping valve,
The tapping valve is equipped with fastening bolt, and the leak detection apparatus is pressure sensor.
10. silicon carbide heat exchanger outer sealing device according to claim 9, which is characterized in that the detection slot connection
All mounting holes in support plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821634456.3U CN209459490U (en) | 2018-10-09 | 2018-10-09 | Silicon carbide heat exchanger outer sealing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821634456.3U CN209459490U (en) | 2018-10-09 | 2018-10-09 | Silicon carbide heat exchanger outer sealing device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209459490U true CN209459490U (en) | 2019-10-01 |
Family
ID=68035251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821634456.3U Active CN209459490U (en) | 2018-10-09 | 2018-10-09 | Silicon carbide heat exchanger outer sealing device |
Country Status (1)
Country | Link |
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CN (1) | CN209459490U (en) |
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2018
- 2018-10-09 CN CN201821634456.3U patent/CN209459490U/en active Active
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