CN219178364U - Baffle plate assembly and silicon carbide heat exchanger - Google Patents
Baffle plate assembly and silicon carbide heat exchanger Download PDFInfo
- Publication number
- CN219178364U CN219178364U CN202223532038.2U CN202223532038U CN219178364U CN 219178364 U CN219178364 U CN 219178364U CN 202223532038 U CN202223532038 U CN 202223532038U CN 219178364 U CN219178364 U CN 219178364U
- Authority
- CN
- China
- Prior art keywords
- baffle plate
- baffle
- connecting rod
- heat exchanger
- plates
- 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.)
- Active
Links
Images
Classifications
-
- 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
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A baffle plate assembly and a silicon carbide heat exchanger belong to the field of production of silicon carbide heat exchanger equipment. The method is characterized in that: the device comprises a plurality of baffle plates and connecting rod assemblies, wherein the baffle plates are arranged at intervals, the connecting rod assemblies are arranged between every two adjacent baffle plates, and all baffle plates are spliced into an integrated structure through the connecting rod assemblies. The baffle plates are spliced into an integrated mechanism through the connecting rod assembly, so that the overall strength is improved, the impact vibration of the baffle plates caused by mediums such as gas, liquid and the like is reduced, and the breakage caused by the transmission of the vibration of the baffle plates to the silicon carbide ceramic tube is avoided; the heat exchanger is assembled outside the heat exchanger shell, and is placed in the heat exchanger shell after the assembly is completed, so that the installation is convenient.
Description
Technical Field
A baffle plate assembly and a silicon carbide heat exchanger belong to the field of production of silicon carbide heat exchanger equipment.
Background
The silicon carbide heat exchanger is a novel heat exchanger which uses silicon carbide ceramic material as heat transfer medium. Because the silicon carbide ceramic has the excellent characteristics of corrosion resistance, high temperature resistance, high thermal conductivity, high hardness, wear resistance and the like, the silicon carbide ceramic heat exchanger is suitable for the use requirements of high-temperature and corrosion-resistant environments.
The toughness of the silicon carbide ceramic is poor, and in the process of manufacturing the silicon carbide ceramic tube from the silicon carbide ceramic, the silicon carbide ceramic tube is extremely easy to generate resonance fracture phenomenon due to the impact of medium such as air flow, liquid and the like. At present, when the silicon carbide ceramic tube is used, a baffle plate is adopted to reduce the flow velocity of media such as gas, liquid and the like, reduce the impact on the silicon carbide ceramic tube, improve the turbulence degree of fluid in a shell, reduce the flow dead zone and the vibration of a tube bundle of the silicon carbide ceramic tube, and further improve the heat transfer efficiency.
However, in the use process, the gas and the liquid can impact the baffle plate, so that the baffle plate generates vibration and is transmitted to the silicon carbide ceramic tube, the service life of the silicon carbide ceramic tube is influenced, and the fracture risk of the silicon carbide ceramic tube is greatly increased. And meanwhile, the baffle plate is arranged in the inner cavity of the shell and is fixedly connected with the inner cavity of the shell, so that the baffle plate is complicated to install and is not easy to maintain and replace, and the clearance of the inner cavity of the shell side is blocked.
In view of the foregoing, there is a need for a structure that is safe, stable, and easy to install.
Disclosure of Invention
The utility model solves the problems that: aiming at the defects in the prior art, each baffle plate is spliced into an integrated structure through a plurality of connecting rod assemblies, and the baffle plate assemblies and the silicon carbide heat exchanger with the overall strength are increased.
The technical scheme adopted for solving the technical problems is as follows: a baffle assembly, characterized by: the device comprises a plurality of baffle plates and connecting rod assemblies, wherein the baffle plates are arranged at intervals, the connecting rod assemblies are arranged between every two adjacent baffle plates, and all baffle plates are spliced into an integrated structure through the connecting rod assemblies.
Further, the connecting rod assembly comprises a connecting rod and detachable connecting pieces, wherein the detachable connecting pieces are arranged at two ends of the connecting rod, and the detachable connecting pieces are fixedly connected with the connecting rod.
Further, the detachable connecting piece comprises a bolt and a nut, the bolt and the nut are respectively fixed at two ends of the connecting rod, and the bolt penetrates through the baffle plate to be in threaded connection with the nut at the corresponding side.
Further, the baffle plate comprises baffle plate whole plates and baffle plate missing plates, wherein two baffle plate whole plates are arranged at intervals, and at least one baffle plate missing plate is arranged between the two baffle plate whole plates.
Further, a plurality of connecting rod assemblies are arranged between every two adjacent baffle plates, and the plurality of connecting rod assemblies are annularly arranged.
Further, the baffle plate is made of modified glass fiber tetrafluoro material.
A silicon carbide heat exchanger, characterized by: the heat exchanger comprises a heat exchanger main body, adjustable supporting pieces and the baffle plate assembly, wherein the baffle plate assembly is arranged between two tube plates of the heat exchanger main body, the adjustable supporting pieces are arranged at two ends of the baffle plate assembly, and two ends of the baffle plate assembly are respectively supported on the tube plates at corresponding sides through the adjustable supporting pieces.
Further, the adjustable support member is an internal thread adjusting member, and the internal thread adjusting member is in threaded connection with the connecting rod assembly.
Compared with the prior art, the baffle plate assembly and the silicon carbide heat exchanger have the following beneficial effects: 1) According to the baffle plate missing assembly structure, all baffle plates are spliced into an integrated structure through the connecting rod assembly, so that the overall strength is improved, the vibration of the baffle plates caused by the impact of media such as gas, liquid and the like is reduced, and the breakage caused by the transmission of the vibration of the baffle plates to the silicon carbide ceramic tube is avoided; the heat exchanger is assembled from the outside of the heat exchanger shell, and is placed in the heat exchanger shell after the assembly is finished, so that the installation is convenient; 2) The adjustable support piece of the silicon carbide heat exchanger is tightly connected with the tube plates on the corresponding sides, and the two tube plates clamp the baffle plate assembly through the adjustable support piece, so that the baffle plate assembly is prevented from shaking, and the stability of an integral structure is improved.
Drawings
FIG. 1 is a schematic left-hand view of the present baffle assembly.
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1.
Fig. 3 is an enlarged schematic view of a portion B in fig. 2.
Fig. 4 is an enlarged schematic view of a portion C in fig. 2.
Fig. 5 is a schematic cross-sectional view of a silicon carbide heat exchanger.
Wherein: 1. the heat exchanger comprises a heat exchanger shell 2, a baffle full plate 201, mounting holes 301, an upper baffle plate notch 302, a lower baffle plate notch 4, bolts 5, nuts 6, a first connecting rod 7, a second connecting rod 8, an internal thread adjusting piece 9, a silicon carbide ceramic tube 10, a first flange joint 11, a tube plate 12, a second flange joint 13, a tube side inlet 14 and a tube side outlet.
Detailed Description
The present utility model will be further described with reference to specific embodiments, however, it will be appreciated by those skilled in the art that the detailed description herein with reference to the accompanying drawings is for better illustration, and that the utility model is not necessarily limited to such embodiments, but rather is intended to cover various equivalent alternatives or modifications, as may be readily apparent to those skilled in the art.
Fig. 1 to 5 are diagrams illustrating preferred embodiments of the present utility model, and the present utility model is further described below with reference to fig. 1 to 5.
Example 1:
as shown in fig. 1 to 4, the baffle plate assembly is installed in a cylindrical heat exchanger shell 1, and specifically, the baffle plate assembly comprises a baffle plate 2, a baffle plate, a connecting rod, a detachable connecting piece and an adjustable supporting piece. The two full baffle plates 2 are arranged at two ends in the heat exchanger shell 1, the two full baffle plates 2 are circular plates, the edges of the two full baffle plates 2 are tightly matched with the inner wall of the heat exchanger shell 1, and a plurality of baffle missing plates are uniformly arranged between the two full baffle plates 2. The number of the baffle plates is set according to the length of the heat exchanger shell 1, and six baffle plates are arranged in the embodiment. The baffle is a semicircular plate, the baffle comprises an upper baffle 301 and a lower baffle 302, the upper baffle 301 is tightly matched with the inner wall of the upper side of the central line of the heat exchanger shell 1, the lower baffle 302 is tightly matched with the inner wall of the lower side of the central line of the heat exchanger shell 1, three upper baffles 301 and three upper baffles 302 are arranged, and one lower baffle 302 is arranged between every two adjacent upper baffles 301.
The two baffle plates 2 and the baffle plates are provided with mounting holes 201, and the mounting holes 201 are arranged opposite to each other. The mounting holes 201 are provided with a plurality of mounting holes 201 which are uniformly distributed on the baffle plate 2 and the baffle plate. The mounting holes 201 are used for mounting silicon carbide ceramic tubes and for use with removable connectors.
A plurality of connecting rods and detachable connecting pieces are arranged between the baffle plate 2 and the adjacent baffle plate, and between the two adjacent baffle plate, the connecting rods and the detachable connecting pieces are arranged in an annular mode, and the connecting rods and the detachable connecting pieces between each baffle plate 2 and the adjacent baffle plate, and between the two adjacent baffle plate are opposite to each other. The detachable connecting pieces clamp the corresponding baffle plate 2 or baffle plate segments, and two ends of each connecting rod are fixedly connected with the detachable connecting pieces respectively, so that the baffle plate 2 and the baffle plate segments are spliced into an integrated structure. In the embodiment, six connecting rods and detachable connecting pieces between every two adjacent baffle plates 2 and every two adjacent baffle plates or between every two adjacent baffle plates are respectively arranged.
Specifically, the connecting rod includes a first connecting rod 6 and a second connecting rod 7, the first connecting rod 6 and the second connecting rod 7 are both round rods, the first connecting rod 6 is longer than the second connecting rod 7, the first connecting rod 6 is twice as long as the second connecting rod 7, the first connecting rod 6 is used for connecting two adjacent upper baffles 301 or two lower baffles 302, and the second connecting rod 7 is used for connecting adjacent upper baffles 301 and lower baffles 302.
The detachable connecting piece comprises a bolt 4 and a nut 5, wherein the bolt 4 and the nut 5 are respectively arranged at two sides of the baffle plate 2 or the baffle plate, and the bolt 4 passes through the mounting holes 201 on the corresponding baffle plate and is fastened by the nut 5. When the detachable connecting piece is used for fastening the outermost baffle plate 2, the screw rod of the bolt 4 penetrates through the baffle plate 2 from the inner side of the baffle plate 2, and the screw rod of the bolt 4 protrudes outwards and is fastened through the nut 5.
For convenient manufacture and splicing use, the bolt 4 and the nut 5 of the detachable connecting piece are welded with the connecting rod into a whole according to the use requirement, so that the connecting rod assembly is formed.
The adjustable support piece sets up at an organic whole structure both ends, and adjustable support piece and heat exchanger casing 1 zonulae occludens prevents the rocking of an organic whole structure, increases an organic whole structure's stability.
Specifically, the adjustable support member is an internal thread adjusting member 8, and the internal thread adjusting member 8 is in threaded connection with the outermost bolt 4.
The concrete installation mode is as follows:
the heat exchanger is installed outside the heat exchanger shell 1, and bolts 4 at the ends of the first connecting rod 6 and the second connecting rod 7 penetrate through the corresponding baffle plate 2, the upper baffle plate 301 or the lower baffle plate 302 and are fastened by nuts 5. Two baffle plates 2, three upper baffle plates 301 and three baffle plates 302 are spliced into an integral structure. After the inner threaded connecting pieces 8 are sleeved on the outermost bolts 4, the integrated structure is placed in the heat exchanger shell 1.
Referring to fig. 5, the present embodiment provides a silicon carbide heat exchanger, which includes a heat exchanger body and the above-mentioned baffle plate assembly, wherein the heat exchanger body includes a heat exchanger shell 1, a first flange joint 10, a second flange joint 12, a tube plate 11, and a plurality of silicon carbide ceramic tubes 9.
The heat exchanger shell 1 is provided with a shell side inlet 13 and a tube side outlet 14, the tube side inlet 13 and the tube side outlet 14 are used for inflow and outflow of heat exchange media, and an inner cavity of the heat exchanger shell 1 is a heat exchange cavity used for heat exchange. Tube plates 11 are respectively arranged at two ends of the heat exchanger shell 1, and a plurality of through holes for installing the silicon carbide ceramic tubes 9 are arranged on each tube plate 11.
The first flange joint 10 and the second flange joint 12 are respectively arranged on the outer sides of the two tube plates 11, the first flange joint 10 and the heat exchanger shell 1 are fastened through bolts and nuts, and the first flange joint 10 and the heat exchanger shell 1 clamp the tube plates 11 between the two. The second flange joint 12 and the heat exchanger shell 1 are fastened through bolts and nuts, and the second flange joint 12 and the heat exchanger shell 1 clamp the tube plate 11 between the second flange joint and the heat exchanger shell 1. The first flange joint 10 is a heated medium inflow end, and the second flange joint 12 is a heated medium outflow end.
The baffle plate assembly is arranged in the heat exchange cavity between the two tube plates 11, and an upper baffle plate defect 301 and a lower baffle plate defect 302 of the baffle plate assembly are arranged in an up-and-down staggered mode. The internal thread adjusting parts 8 at the two ends of the baffle plate assembly are supported on the tube plates 11 at the corresponding sides, and the two tube plates 11 clamp the baffle plate assembly through the internal thread adjusting parts 8 to prevent the baffle plate assembly from shaking.
The silicon carbide ceramic tubes 9 are arranged between the two tube plates 11, the silicon carbide ceramic tubes penetrate through the baffle plate assembly, two ends of each silicon carbide ceramic tube 9 are respectively inserted into through holes of the tube plates 11 on the corresponding sides, and each silicon carbide ceramic tube 9 is in sealing connection with the tube plate 11.
The specific process is as follows:
the heating medium enters the heat exchange cavity from the tube side inlet 13, passes through the upper baffle plate defect 301 and the lower baffle plate defect 302 which are arranged in a staggered way up and down in sequence, flows out from the tube side outlet 14, and heats the silicon carbide ceramic tube 9 along the way.
The heated medium (for example, fluorine-containing sulfuric acid) flows in from the first flange joint 10, enters into each silicon carbide ceramic tube 9, fully exchanges heat with the steam in the heat exchange cavity through the silicon carbide ceramic tubes 9, and finally flows out from the second flange joint 12.
Example 2:
in this embodiment, the principle is the same as that of embodiment 1, and when polytetrafluoroethylene is used as the baffle plate 2 and the baffle plate, the baffle plate is not high in hardness and is easy to deform in the use process, so that the later replacement or use is affected. In this embodiment, the baffle plate 2 and the baffle plate lack plate are made of modified glass fiber tetrafluoro material, which is known and widely used, for example, the application number is as follows: CN202110768522.6, patent name: a production method of a glass fiber tetrafluoro plate can be realized according to the modified glass fiber tetrafluoro material produced by the method. The material is used for increasing the hardness and the bending resistance, and simultaneously preventing the baffle plate 2 and the baffle plate from vibrating in use.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims (7)
1. A baffle assembly, characterized by: the device comprises a plurality of baffle plates and connecting rod assemblies, wherein the baffle plates are arranged at intervals, the connecting rod assemblies are arranged between every two adjacent baffle plates, and all baffle plates are spliced into an integrated structure through the connecting rod assemblies; the connecting rod assembly comprises a connecting rod and detachable connecting pieces, wherein the detachable connecting pieces are arranged at two ends of the connecting rod, and the detachable connecting pieces are fixedly connected with the connecting rod.
2. A baffle assembly as set forth in claim 1, wherein: the detachable connecting piece comprises a bolt (4) and a nut (5), wherein the bolt (4) and the nut (5) are respectively fixed at two ends of the connecting rod, and the bolt (4) penetrates through the baffle plate and is in threaded connection with the nut (5) at the corresponding side.
3. A baffle assembly as set forth in claim 1, wherein: the baffle plate comprises baffle plate whole plates (2) and baffle plate lacking plates, wherein two baffle plate whole plates (2) are arranged at intervals, and at least one baffle plate lacking plate is arranged between the two baffle plate whole plates (2).
4. A baffle assembly as set forth in claim 1, wherein: the connecting rod assemblies between every two adjacent baffle plates are provided with a plurality of connecting rod assemblies which are annularly arranged.
5. A baffle assembly as set forth in claim 1, wherein: the baffle plate is made of modified glass fiber polytetrafluoroethylene material.
6. A silicon carbide heat exchanger, characterized by: the heat exchanger comprises a heat exchanger body, adjustable supporting pieces and the baffle plate assembly according to any one of claims 1-5, wherein the baffle plate assembly is arranged between two tube plates (11) of the heat exchanger body, the adjustable supporting pieces are arranged at two ends of the baffle plate assembly, and the two ends of the baffle plate assembly are respectively supported on the tube plates (11) at the corresponding sides through the adjustable supporting pieces.
7. A silicon carbide heat exchanger according to claim 6 wherein: the adjustable support piece is an internal thread adjusting piece (8), and the internal thread adjusting piece (8) is in threaded connection with the baffle plate assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223532038.2U CN219178364U (en) | 2022-12-29 | 2022-12-29 | Baffle plate assembly and silicon carbide heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223532038.2U CN219178364U (en) | 2022-12-29 | 2022-12-29 | Baffle plate assembly and silicon carbide heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219178364U true CN219178364U (en) | 2023-06-13 |
Family
ID=86672594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223532038.2U Active CN219178364U (en) | 2022-12-29 | 2022-12-29 | Baffle plate assembly and silicon carbide heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219178364U (en) |
-
2022
- 2022-12-29 CN CN202223532038.2U patent/CN219178364U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0854192A (en) | Heat exchanging coil assembly and combined member | |
| CN101435670A (en) | Longitudinal disturbed flow shell and tube hear exchanger | |
| CN103047882A (en) | Deflecting fence type square heat exchanger with waved tube | |
| CN202229648U (en) | Shell and tube type heat exchanger with U-shaped tube bundle vibration proof device | |
| CN219178364U (en) | Baffle plate assembly and silicon carbide heat exchanger | |
| CN110686532A (en) | Portable plane elastic array scroll heat exchange device | |
| CN102393159B (en) | Shell-and-tube type heat exchanger with U-shaped tube-bundle vibration-proof device | |
| CN108050866A (en) | A kind of carborundum double tube plate heat exchanger | |
| CN108613159A (en) | A kind of intermediate header being suitable for super critical boiler underload flexibility operation | |
| CN212030286U (en) | Tube type heat exchanger capable of avoiding local scaling and corrosion | |
| CN212870852U (en) | Silicon carbide tube type heat exchanger | |
| CN207741605U (en) | A kind of silicon carbide double tube plate heat exchanger | |
| CN109506498B (en) | Tubular ultra-high temperature gas cooler | |
| CN211178060U (en) | Heat exchanger convenient to disassemble and assemble for oil temperature machine | |
| CN219319131U (en) | All-welded plate type heat exchanger | |
| CN218545416U (en) | Fixing device of rocket engine spiral pipe and rocket engine heat exchanger | |
| CN207262515U (en) | A kind of self-circulating energy-saving heating system | |
| CN218002258U (en) | Non-metal corrosion-resistant reinforced heat exchanger | |
| CN217877239U (en) | Improved baffle horizontal silicon carbide heat exchanger | |
| CN209246392U (en) | Heat exchanger tube and gas heater | |
| CN214950767U (en) | Inner fin heat exchange tube convenient to disassemble and assemble | |
| CN217358154U (en) | Quick assembly disassembly's unsteady coil pipe heat exchanger | |
| CN209588781U (en) | Spiral silicon carbide heat exchanger | |
| CN213120204U (en) | Fluid heat exchange device | |
| CN211552065U (en) | Corrugated vacuum tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |