CN111678363B - A double tube sheet silicon carbide heat exchanger with a single plate and double seal structure - Google Patents
A double tube sheet silicon carbide heat exchanger with a single plate and double seal structure Download PDFInfo
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- CN111678363B CN111678363B CN202010662556.2A CN202010662556A CN111678363B CN 111678363 B CN111678363 B CN 111678363B CN 202010662556 A CN202010662556 A CN 202010662556A CN 111678363 B CN111678363 B CN 111678363B
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- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 43
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 117
- 239000000463 material Substances 0.000 claims abstract description 14
- 229920002379 silicone rubber Polymers 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000004945 silicone rubber Substances 0.000 claims description 9
- 229920001973 fluoroelastomer Polymers 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 9
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
-
- 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
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
- F28F21/083—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0229—Double end plates; Single end plates with hollow spaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
- F28F9/10—Arrangements for sealing elements into header boxes or end plates by dismountable joints by screw-type connections, e.g. gland
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
- F28F9/12—Arrangements for sealing elements into header boxes or end plates by dismountable joints by flange-type connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本发明公开了一种单板双封结构的双管板碳化硅换热器，包括有直筒型筒体，直筒型筒体的外壁上分别设有壳程蒸汽进口和壳程冷凝水出口，直筒型筒体内的两端分别滑动连接有截面呈凹形的筒体侧管板，筒体侧管板的外侧设有截面呈凸型的封头侧管板，筒体侧管板和封头侧管板上分别设有若干同轴的管孔一和管孔二，直筒型筒体内设有两端依次穿过管孔一和管孔二的碳化硅换热管，封头侧管板的外侧设有封头，其中一侧的封头上设有物料进口，另一侧的封头上设有物料出口；本发明具有碳化硅换热器密封效果好的特点。
The present invention discloses a double-tube sheet silicon carbide heat exchanger with a single-plate double-seal structure, comprising a straight-cylindrical cylinder, the outer wall of which is respectively provided with a shell-side steam inlet and a shell-side condensate outlet, the two ends of the straight-cylindrical cylinder are respectively slidably connected with cylinder side tube sheets with a concave cross-section, the outer side of the cylinder side tube sheet is provided with a head side tube sheet with a convex cross-section, the cylinder side tube sheet and the head side tube sheet are respectively provided with a plurality of coaxial tube holes one and two, the straight-cylindrical cylinder is provided with silicon carbide heat exchange tubes with two ends passing through the tube holes one and two in sequence, the outer side of the head side tube sheet is provided with a head, a material inlet is provided on the head on one side, and a material outlet is provided on the head on the other side; the present invention has the characteristic of good sealing effect of the silicon carbide heat exchanger.
Description
Technical Field
The invention relates to a silicon carbide heat exchanger, in particular to a double-tube plate silicon carbide heat exchanger with a single-plate double-seal structure.
Background
The silicon carbide ceramic has the excellent characteristics of corrosion resistance, high temperature resistance, high heat conductivity, high hardness, wear resistance, thermal shock resistance and the like, wherein the heat conductivity coefficient of the silicon carbide ceramic is 5 times that of stainless steel, and the silicon carbide ceramic is an excellent corrosion-resistant heat exchange material, and the silicon carbide heat exchanger is a novel heat exchanger which uses the silicon carbide ceramic material as a heat transfer material.
The silicon carbide heat exchanger has the characteristics of incapability of bonding and welding, so the technical core of the silicon carbide heat exchanger is how to solve the problems of corrosion resistance and sealing strength of tube plates, one of the silicon carbide heat exchangers in the prior art is a compression sealing structure adopting a tetrafluoro tube plate, the sealing capability of the structure is limited due to the strength problem of tetrafluoro materials, the pressure resistance is generally not higher than 0.2MPa, and the other is a sealing structure adopting steel lining tetrafluoro double tube plates for clamping, and although the sealing structure adopting steel lining tetrafluoro double tube plates for clamping increases sealing points, the sealing effect is improved to a certain extent, but due to the limitation of the traditional heat exchanger structure, each tube plate in the double tube plates can only be singly sealed by a single plate, and the sealing effect is still not ideal. Therefore, how to further solve the sealing problem of the silicon carbide heat exchanger is still a technical problem in the industry.
Disclosure of Invention
The invention aims to provide a double-tube-plate silicon carbide heat exchanger with a single-plate double-seal structure. The invention has the characteristic of good sealing effect of the silicon carbide heat exchanger.
The double-tube-plate silicon carbide heat exchanger comprises a straight-tube-type cylinder, wherein a shell side steam inlet and a shell side condensate outlet are respectively arranged on the outer wall of the straight-tube-type cylinder, a cylinder side tube plate with a concave section is respectively and slidably connected to the two ends in the straight-tube-type cylinder, a seal head side tube plate with a convex section is arranged on the outer side of the cylinder side tube plate, a plurality of coaxial tube holes I and tube holes II are respectively arranged on the cylinder side tube plate and the seal head side tube plate, silicon carbide heat exchange tubes with two ends penetrating through the tube holes I and the tube holes II in sequence are arranged in the straight-tube-type cylinder, a seal head is arranged on the outer side of the seal head side tube plate, a material inlet is arranged on the seal head on one side, and a material outlet is arranged on the seal head on the other side;
a first sealing groove and a second sealing groove with the aperture larger than that of the first pipe hole are respectively arranged on one side, far away from the end socket side pipe plate, of the first pipe hole, and one side, close to the end socket side pipe plate, of the first pipe hole;
A third sealing groove and a fourth sealing groove with the aperture larger than that of the second pipe hole are respectively formed in one side, close to the barrel side pipe plate, of the second pipe hole, a fourth sealing component is arranged in the third sealing groove, internal threads are arranged in the fourth sealing groove, and the fourth sealing groove is connected with a seal head side compression nut through threads;
And a silicon rubber support body is arranged on the silicon carbide heat exchange tube between the first tube hole and the second tube hole, and two ends of the silicon rubber support body are respectively clamped into the first tube hole and the second tube hole on the corresponding sides.
The double-tube-plate silicon carbide heat exchanger with the single-plate double-sealing structure is characterized in that two ends of the straight cylinder body are provided with cylinder body flanges, a flange I is arranged on the outer side of the cylinder body flange, an O-shaped sealing ring I which is tightly clamped on a cylinder body side tube plate is arranged between the flange I and the cylinder body flange, a sealing head flange is arranged on the sealing head, and the sealing head flange is connected with the cylinder body flange and the flange I through a bolt component.
The double-tube-plate silicon carbide heat exchanger with the single-plate double-sealing structure is characterized in that a flange II is arranged between the tube body side tube plate and the end socket side tube plate, an O-shaped sealing ring II tightly hooped on the end socket side tube plate is arranged between the flange II and the tube body side tube plate, and the flange II is connected with the tube body side tube plate through a bolt assembly II.
In the double-tube-plate silicon carbide heat exchanger with the single-plate double-seal structure, the flange II and the tube-side tube plate are further provided with the bolt component III, and one end of the bolt component III sequentially penetrates through the end socket-side tube plate and the end socket flange to connect the tube-side tube plate, the flange II and the end socket-side tube plate with the end socket.
In the double-tube-plate silicon carbide heat exchanger with the single-plate double-seal structure, the tube body side tube plate and the end socket side tube plate are both of steel lining structures, and the second bolt component and the third bolt component are both connected to the steel lining.
In the double-tube-plate silicon carbide heat exchanger with the single-plate double-seal structure, the baffle plate is arranged in the straight cylinder body.
In the double-tube-plate silicon carbide heat exchanger with the single-plate double-sealing structure, the first sealing component, the second sealing component, the third sealing component and the fourth sealing component are formed by sequentially stacking a tetrafluoro sealing ring I, a fluororubber O-shaped ring, a tetrafluoro sealing ring II, a silicone rubber O-shaped ring and a tetrafluoro sealing ring III from inside to outside.
The double-tube plate silicon carbide heat exchanger with the single-plate double-sealing structure comprises a silicon rubber support body and a heat exchange tube, wherein the silicon rubber support body consists of straight barrel sections at two ends and a waist drum section in the middle, and a tetrafluoro sleeve is arranged in the middle of the waist drum section.
The beneficial effects of the invention are that
1. According to the invention, the tube side tube plates at two ends of the tube are connected in the straight tube type tube body in a sliding connection mode, which is different from the traditional mode of stacking the tube body and the tube side tube plates, so that the tube plates and the heat exchange tubes can be integrally inserted into the tube body after the tube body is assembled outside, and the heat exchange tubes and the tube plates assembled outside can realize single-plate double sealing, in particular, the compression nuts are arranged on the inner side surfaces of the tube side tube plates, so that the sealing performance of the silicon carbide heat exchanger is greatly improved;
2. According to the invention, a double tube plate structure is adopted, and the silicon rubber support body is sleeved on the silicon carbide heat exchange tube between the double tube plates, so that a further sealing effect can be achieved on the connecting joint between the tube plates and the heat exchange tube in the process of installing and mutually extruding the double tube plates, and meanwhile, the sealing assemblies on the corresponding sides are tightly pressed, so that the sealing effect is ensured (2 MPa steam can be used for heating);
3. The invention sets the silicon rubber support body into straight barrel sections at two ends and a waist drum shape in the middle, and in the tube plate extrusion process, the silicon rubber support body can better fill the sealing grooves at the corresponding sides, thereby improving the sealing effect;
4. In order to overcome the new sealing problem caused by sliding connection between the tube plate on the tube side and the tube body and the sealing problem between the tube plate on the tube side and the tube plate on the tube side are respectively provided with sealing protection by matching the flange and the O-shaped sealing ring, and then the whole tube, the tube plate and the tube plate are connected into an integral structure through the tube flange and the tube flange, so that the connection strength requirement of the heat exchanger is also ensured under the premise of realizing the sealing function, and the design is quite reasonable;
5. The tube plate on the side of the tube body and the tube plate on the side of the end socket adopt a composite tube plate structure with a steel lining, so that the problems that the adhesive force between a tetrafluoro material and a carbon steel substrate is not strong, the tube plate is easy to fall off and cracks are generated are solved, and the problem of channeling among tube plate overflow holes caused by the cracks is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a partial structure of a tube sheet joint;
FIG. 3 is a schematic view of a partial structure of a head side tube sheet at a fourth (18) seal groove of 1;
FIG. 4 is a schematic structural view of a silicone rubber support;
Fig. 5 is a schematic view of the structure of the tube sheet on the cylinder side.
The reference numerals indicate 1-straight cylinder, 2-shell side steam inlet, 3-shell side condensate outlet, 4-cylinder side tube plate, 5-head side tube plate, 6-tube hole I, 7-tube hole II, 8-silicon carbide heat exchange tube, 9-head, 10-material inlet, 11-material outlet, 12-seal groove I, 13-seal groove II, 14-seal assembly I, 15-cylinder side compression nut, 16-seal assembly II, 17-seal groove III, 18-seal groove IV, 19-seal assembly III, 20-seal assembly IV, 21-head side compression nut, 22-silicone rubber support, 23-cylinder flange, 24-flange I, 25-O-ring I, 26-head flange, 27-bolt assembly I, 28-flange II, 29-O-ring II, 30-bolt assembly II, 31-bolt assembly III, 32-baffle plate, 33-tetrafluoro ring I, 34-fluororubber O-ring II, 36-silicone ring O-ring, 37-tetrafluoro ring III, 220-drum segment 221-shaped sleeve segment, and four-drum segment 221-shaped sleeve segment.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to be limiting.
Embodiments of the invention
The utility model provides a double tube sheet carborundum heat exchanger of veneer double seal structure, as shown in fig. 1-5, including the straight barrel 1 of metal material, be equipped with shell side steam inlet 2 and shell side comdenstion water export 3 respectively on the outer wall of straight barrel 1, be used for letting in the steam that heats usefulness and discharge the comdenstion water after cooling, both ends in the straight barrel 1 are sliding connection respectively have a barrel side tube sheet 4 that the cross-section is concave, barrel side tube sheet 4 and straight barrel 1 pass through precision finishing, ensure that barrel side tube sheet 4 can insert straight barrel 1 inside while, still need reduce the clearance between the two as far as, the outside of barrel side tube sheet 4 is equipped with head side tube sheet 5 that the cross-section is protruding, head side tube sheet 5 bulge and barrel side tube sheet 4's concave portion also are just the matching through precision finishing, the concave part of barrel side tube sheet 4 is outside, be equipped with a plurality of coaxial tube holes 6 and two tube holes 7 respectively on barrel side tube sheet 5 side tube sheet 4 and head side tube sheet 5, namely, it is equipped with tube hole 9 and two tube 9 of tube 9 that the tube sheet 9 is equipped with on the opposite side of head 9 in proper order to cross-section, the tube sheet 9 is equipped with the head 9 of tube 9 on the head side of the material that the end 9 is equipped with in proper order;
The sealing device comprises a first pipe hole 6, a second pipe hole 13, a first sealing component 14, a second sealing component 16, a first cylinder side compression nut 15, a second cylinder side compression nut 15, a first sealing component 14 and a second sealing component 16, wherein the first sealing component 12 and the second sealing component 13 are respectively arranged in the pipe hole 6 at one side far from the first pipe hole 6 and one side close to the first pipe hole 5;
A third sealing groove 17 and a fourth sealing groove 18 with the aperture larger than that of the second tube hole 7 are respectively arranged on one side, close to the tube body side tube plate 4, and one side, far away from the tube body side tube plate 4, of the second tube hole 7, a third sealing component 19 is arranged in the third sealing groove 17, a fourth sealing component 20 is arranged in the fourth sealing groove 18, internal threads are arranged in the ports of the fourth sealing groove 18, and the fourth sealing groove 18 is connected with a seal head side compression nut 21 through threads;
The silicon carbide heat exchange tube 8 between the first tube hole 6 and the second tube hole 7 is provided with a silicon rubber support body 22, two ends of the silicon rubber support body 22 are respectively clamped into the first tube hole 6 and the second tube hole 7 on the corresponding sides, the silicon rubber support body 22 is required to be sleeved on the silicon carbide heat exchange tube 8 before the end socket side tube plate 5 is installed, and two ends of the silicon rubber support body are extruded into sealing grooves on the corresponding sides through extrusion force when the end socket side tube plate 5 and the barrel side tube plate 4 are installed.
The two ends of the straight cylinder type cylinder body 1 are provided with cylinder body flanges 23, the outer side of the cylinder body flange 23 is provided with a flange I24, an O-shaped sealing ring I25 tightly hooped on the cylinder body side tube plate 4 is arranged between the flange I24 and the cylinder body flange 23, the sealing head 9 is provided with a sealing head flange 26, and the sealing head flange 26 is connected with the cylinder body flange 23 and the flange I24 through a bolt component I27. The flange one 24 is installed after the cylinder side tube plate 4 is inserted into the straight cylinder 1, the O-shaped sealing ring one 25 meeting the requirement is sleeved on the cylinder side tube plate 4, the flange one 24 is used for clamping the O-shaped sealing ring one between the cylinder side tube plate 4 and the flange one, and finally the seal head 9, the straight cylinder 1 and the flange one 24 are connected into a whole through the bolt component one 27, and as the flange one 24 has no pressure source, a nut is needed to be arranged in the middle of the bolt component one 27 and is positioned between the seal head flange 26 and the flange one 24, and the flange one 24 and the O-shaped sealing ring one 25 can be provided with fastening force when being screwed to one side of the flange one 24.
The flange II 28 is arranged between the cylinder side tube plate 4 and the end socket side tube plate 5, the O-shaped sealing ring II 29 tightly hooped on the end socket side tube plate 5 is arranged between the flange II 28 and the cylinder side tube plate 4, and the flange II 28 is connected with the cylinder side tube plate 4 through the bolt component II 30. Because the tube plate 4 on the tube side and the tube plate 5 on the seal head side are also in sliding connection, as in the connection of the tube plate 4 on the tube side and the tube 1 on the straight tube type, the sealing of the sliding connection is solved through the O-shaped sealing ring II 29 and the flange II 28, and the sealing pressure source of the sealing connection is provided for the bolt component II 30, and the bolt component II 30 is directly screwed into a preset threaded hole in the tube plate 4 on the tube side after passing through the flange II 28.
The second flange 28 and the tube-side tube plate 4 are also provided with a third bolt component 31, and one end of the third bolt component 31 sequentially passes through the end socket-side tube plate 5 and the end socket flange 26 and then connects the tube-side tube plate 4, the second flange 28, the end socket-side tube plate 5 and the end socket 9. The design of the third bolt assembly 31 is to improve the overall connection strength.
The cylinder side tube plate 4 and the seal head side tube plate 5 are of steel lining structures, and the bolt assemblies II and III 30 and 31 are connected to the steel lining, namely the whole body is made of steel lining PFA material.
The baffle plates 32 are arranged in the straight cylinder type cylinder body 1, a plurality of baffle plates 32 can be arranged according to requirements, and the baffle plates are arranged on the silicon carbide heat exchanger 8 in advance when the silicon carbide heat exchanger 8 is assembled outside.
The first sealing component 14, the second sealing component 16, the third sealing component 19 and the fourth sealing component 20 are respectively composed of a first tetrafluoro sealing ring 33, a fluororubber O-shaped ring 34, a second tetrafluoro sealing ring 35, a silicone rubber O-shaped ring 36 and a third tetrafluoro sealing ring 37 which are sequentially stacked from inside to outside. The structural design of the sealing assembly can improve the sealing effect and ensure the supporting strength of the sealing assembly.
The silicone rubber support 22 is composed of straight barrel sections 220 at two ends and a waist drum section 221 in the middle, wherein a tetrafluoro sleeve 222 is arranged in the middle of the waist drum section 221. The silicon rubber support body 22 is mainly used as a sealing support between the sealing component III 19 and the sealing component IV 20 between the cylinder side tube plate 4 and the sealing head side tube plate 4, and is tightly compacted in the corresponding sealing groove, and meanwhile, the pore canal of the sealing groove is sealed, so that the sealing effect is improved.
While the invention has been described with reference to the preferred embodiments, it should be understood that the invention is not limited to the embodiments described above, but is intended to cover modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010662556.2A CN111678363B (en) | 2020-07-10 | 2020-07-10 | A double tube sheet silicon carbide heat exchanger with a single plate and double seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010662556.2A CN111678363B (en) | 2020-07-10 | 2020-07-10 | A double tube sheet silicon carbide heat exchanger with a single plate and double seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111678363A CN111678363A (en) | 2020-09-18 |
| CN111678363B true CN111678363B (en) | 2024-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010662556.2A Active CN111678363B (en) | 2020-07-10 | 2020-07-10 | A double tube sheet silicon carbide heat exchanger with a single plate and double seal structure |
Country Status (1)
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| CN (1) | CN111678363B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485220B (en) * | 2022-01-21 | 2024-01-02 | 江苏双立制氧机械有限公司 | Silicon carbide tubular heat exchanger with tube plate sealing compensation structure |
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|---|---|---|---|---|
| FR2960051A3 (en) * | 2010-05-12 | 2011-11-18 | Thermi Consult | DEVICE FOR PLATING TUBULAR PLATES FOR HEAT EXCHANGERS |
| CN108050866A (en) * | 2017-12-29 | 2018-05-18 | 无锡英罗唯森科技有限公司 | A kind of carborundum double tube plate heat exchanger |
| CN209558964U (en) * | 2019-02-22 | 2019-10-29 | 无锡英罗唯森科技有限公司 | Double tubesheet silicon carbide heat exchanger |
| CN210441708U (en) * | 2019-03-12 | 2020-05-01 | 山东豪迈机械制造有限公司 | Heat exchanger |
| CN212431868U (en) * | 2020-07-10 | 2021-01-29 | 贵州兰鑫石墨机电设备制造有限公司 | Double-tube-plate silicon carbide heat exchange device with single-plate double-seal structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1465732A (en) * | 1974-02-11 | 1977-03-02 | Zeiss Stiftung | Heat-exchanger |
| US4635712A (en) * | 1985-03-28 | 1987-01-13 | Baker Robert L | Heat exchanger assembly for a compressor |
| ITMI20022449A1 (en) * | 2002-11-19 | 2004-05-20 | Tycon Technoglass S P A | HEAT EXCHANGER WITH SILICON CARBIDE TUBE BAND E |
| US20050034847A1 (en) * | 2003-08-11 | 2005-02-17 | Robert Graham | Monolithic tube sheet and method of manufacture |
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