CN211317023U - Silicon carbide double-tube-plate heat exchanger - Google Patents

Silicon carbide double-tube-plate heat exchanger Download PDF

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Publication number
CN211317023U
CN211317023U CN201821624671.5U CN201821624671U CN211317023U CN 211317023 U CN211317023 U CN 211317023U CN 201821624671 U CN201821624671 U CN 201821624671U CN 211317023 U CN211317023 U CN 211317023U
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China
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tube
shell
plate
pass
fluid
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CN201821624671.5U
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Chinese (zh)
Inventor
郭昊添
李亮
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Tianjin Baitengxin Technology Co ltd
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Tianjin Baitengxin Technology Co ltd
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Abstract

The utility model discloses a carborundum double tube sheet heat exchanger, including the shell side, one side that the top of shell side is close to second pipe case is provided with the second fluid export, and one side that the bottom of shell side is close to first pipe case is provided with the second fluid import, the internally mounted of shell side has heat transfer mechanism, heat transfer mechanism's both ends all are provided with the shell side tube sheet, the one end through connection of second pipe case has first fluid export, the outside that the top of first fluid export is close to second pipe case is provided with the manometer, the one end of first pipe case is run through and is provided with first fluid import. The utility model discloses be provided with rubber seal, can improve the airtight effect of shell side tube sheet and heat transfer mechanism's junction, make first pipe case and second pipe case keep apart with the shell side respectively through the shell side tube sheet, can avoid the shell side to receive the corruption when leaking, be provided with the manometer, can discover at the very first time that the fluid reveals.

Description

Silicon carbide double-tube-plate heat exchanger
Technical Field
The utility model relates to a carborundum technical field specifically is a carborundum double tube sheet heat exchanger.
Background
In the work of the heat exchanger, the working condition that the mixing of tube side and shell side media is strictly forbidden is often met, under the condition, a double-tube plate structure is often adopted in the current engineering, the silicon carbide heat exchanger is a novel heat exchanger using silicon carbide ceramic materials as heat transfer media, and the silicon carbide ceramic materials have the excellent characteristics of corrosion resistance, high temperature resistance, high thermal conductivity, high hardness, wear resistance and the like, so the silicon carbide ceramic heat exchanger is widely used.
The chinese patent discloses a vertical double tube sheet heat exchanger (grant publication No. CN203479100U), this patent technology has that the heat exchange is effectual, the heat utilization rate is high, energy-efficient etc., but do not set up rubber seal, can not improve the airtight effect of shell side tube sheet and heat exchange mechanism's junction, do not make first pipe case and second pipe case keep apart with the shell side respectively through the shell side tube sheet, can not be when leaking, avoid the shell side to receive the corruption, do not set up the manometer, can not discover at the very first time that the fluid reveals. Accordingly, one skilled in the art provides a silicon carbide double tube plate heat exchanger to solve the problems set forth in the background art.
Disclosure of Invention
An object of the utility model is to provide a carborundum double tube sheet heat exchanger to what provide in solving above-mentioned background art does not set up rubber seal, can not improve the airtight effect of the junction of shell side tube sheet and heat transfer mechanism, does not make first pipe case and second pipe case keep apart with the shell side respectively through the shell side tube sheet, can not avoid the shell side to receive the corruption when leaking, does not set up the manometer, can not discover the problem that the fluid was revealed at the very first time.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a carborundum double tube sheet heat exchanger, includes the shell side, the one end of shell side is provided with first pipe case, and the other end of shell side is provided with second pipe case, one side that the top of shell side is close to second pipe case is provided with the second fluid export, and one side that the bottom of shell side is close to first pipe case is provided with the second fluid import, one side fixedly connected with support that the bottom of shell side is close to the second fluid import, and the internally mounted of shell side has heat transfer mechanism, heat transfer mechanism's both ends all are provided with the shell side tube sheet, the one end through connection of second pipe case has first fluid export, the outside that the top of first fluid export is close to second pipe case is provided with the manometer, the one end of first pipe case is run through and is provided with first fluid import.
As a further aspect of the present invention: the heat exchange mechanism comprises a tube pass, tube pass tube plates are arranged at two ends of the tube pass, baffle plates are arranged on the outer side of the tube pass in an up-and-down crossed mode, and a rubber sealing ring is embedded into one end of each tube pass tube plate.
As a further aspect of the present invention: the shell side tube plate comprises an arched cover plate, one end of the arched cover plate is fixedly connected with a connecting pipe, an annular connecting plate is fixedly connected to the outer side of the other end of the arched cover plate, a second threaded hole is formed in the outer side, close to the arched cover plate, of one end of the annular connecting plate, and a first threaded hole is formed in the outer side, close to the second threaded hole, of one end of the annular connecting plate.
As a further aspect of the present invention: one side of one end of the annular connecting plate, which is far away from the arched cover plate, is provided with an annular groove, and the rubber sealing ring is connected with the arched cover plate through the annular groove.
As a further aspect of the present invention: the inner side of the second threaded hole is provided with a bolt, the annular connecting plate is fixedly connected with the tube side tube plate through the bolt on the inner side of the second threaded hole, the inner side of the first threaded hole is also provided with a bolt, and the outer sides of the two ends of the annular connecting plate are fixedly connected with the shell side and the second tube box through the bolt on the inner side of the first threaded hole.
As a further aspect of the present invention: the connecting pipe is respectively positioned in the second pipe box and the first pipe box, the connecting pipe is connected with the first fluid outlet and the first fluid inlet through flange plates, and the pipe pass is a member made of silicon carbide.
Compared with the prior art, the beneficial effects of the utility model are that:
the shell pass tube plate and the heat exchange mechanism form a closed structure through an external bolt, the sealing effect of the joint of the shell pass tube plate and the heat exchange mechanism is improved through the rubber sealing ring, so that corrosive fluid in the heat exchange mechanism is effectively prevented from leaking into the shell pass, the corrosion of the shell pass is caused, the service life of the shell pass is prolonged, the first tube box and the second tube box are respectively isolated from the shell pass through the shell pass tube plate, when the joint of the first fluid inlet or the first fluid outlet and the connecting pipe leaks, corrosive gas is blocked in the first tube box and the second tube box by the shell pass tube plate and cannot enter the shell pass, the corrosion range of the heat exchanger is reduced, the risk of loss is effectively reduced, the pressure value of the corrosive fluid outlet is detected through the pressure gauge, when sudden pressure change occurs, a user can be reminded of possibly leaking the corrosive fluid, the losses are minimized.
Drawings
FIG. 1 is a schematic structural diagram of a silicon carbide double-tube plate heat exchanger;
FIG. 2 is a schematic structural diagram of a heat exchange mechanism in a silicon carbide double-tube plate heat exchanger;
fig. 3 is a schematic structural diagram of a shell pass tube plate in a silicon carbide double tube plate heat exchanger.
In the figure: 1. shell pass; 2. a heat exchange mechanism; 21. a tube pass; 22. a baffle plate; 23. a tube side tube plate; 24. a rubber seal ring; 3. a first header; 4. a first fluid inlet; 5. a second fluid inlet; 6. a support; 7. a first fluid outlet; 8. a pressure gauge; 9. a shell-side tube sheet; 91. an arched cover plate; 92. a first threaded hole; 93. a second threaded hole; 94. an annular connecting plate; 95. a connecting pipe; 10. a second header; 11. a second fluid outlet.
Detailed Description
Please refer to fig. 1-3, in an embodiment of the present invention, a silicon carbide double-tube plate heat exchanger, including shell side 1, shell side 1's one end is provided with first tube case 3, shell side 1's the other end is provided with second tube case 10, one side that shell side 1's top is close to second tube case 10 is provided with second fluid outlet 11, one side that shell side 1's bottom is close to first tube case 3 is provided with second fluid inlet 5, one side fixedly connected with support 6 that shell side 1's bottom is close to second fluid inlet 5, shell side 1's internally mounted has heat exchange mechanism 2, heat exchange mechanism 2's both ends all are provided with shell side tube sheet 9, second tube case 10's one end through connection has first fluid outlet 7, the outside that first fluid outlet 7's top is close to second tube case 10 is provided with manometer 8, first tube case 3's one end is run through and is provided with first fluid inlet 4.
In order to realize heat exchange between fluids, the heat exchange mechanism 2 comprises a tube pass 21, tube pass tube plates 23 are arranged at two ends of the tube pass 21, baffle plates 22 are arranged on the outer sides of the tube pass 21 in an up-and-down crossing mode, and a rubber sealing ring 24 is embedded into one end of each tube pass tube plate 23.
In order to realize the isolation between the two fluids, the shell-side tube plate 9 includes an arched cover plate 91, one end of the arched cover plate 91 is fixedly connected with a connecting tube 95, the outer side of the other end of the arched cover plate 91 is fixedly connected with an annular connecting plate 94, one end of the annular connecting plate 94 is close to the outer side of the arched cover plate 91 and is provided with a second threaded hole 93, and one end of the annular connecting plate 94 is close to the outer side of the second threaded hole 93 and is provided with a first threaded hole 92.
In order to improve the sealing effect between the annular connecting plate 94 and the tube-side tube plate 23, an annular groove is formed in one side, away from the arched cover plate 91, of one end of the annular connecting plate 94, and the rubber sealing ring 24 is connected with the arched cover plate 91 through the annular groove.
In order to fix the annular connecting plate 94 and the tube-side tube plate 23 together, bolts are arranged on the inner side of the second threaded holes 93, the annular connecting plate 94 and the tube-side tube plate 23 are fixedly connected through the bolts on the inner side of the second threaded holes 93, in order to fix the annular connecting plate 94 and the shell side 1 and the second tube box 10 together, bolts are also arranged on the inner side of the first threaded holes 92, and the outer sides of the two ends of the annular connecting plate 94 are fixedly connected with the shell side 1 and the second tube box 10 through the bolts on the inner side of the first threaded holes 92.
In order to facilitate the disassembly of the second tube box 10 and the first tube box 3, the connecting pipe 95 is respectively located inside the second tube box 10 and the first tube box 3, the connecting pipe 95 is connected with the first fluid outlet 7 and the first fluid inlet 4 through flanges, and the tube side 21 is a silicon carbide member in order to improve the corrosion resistance of the tube side 21.
The utility model discloses a theory of operation: firstly, hot fluid or cold fluid flows in from a second fluid inlet 5, the hot fluid or the cold fluid enters the inside of a shell side 1, the flowing stroke of the hot fluid or the cold fluid is increased through a baffle plate 22, meanwhile, corrosive fluid flows in from a first fluid inlet 4, the corrosive fluid firstly enters a shell side tube plate 9 inside a first tube box 3 and then enters a tube side 21, when the corrosive fluid passes through the tube side 21, heat absorption or heat dissipation is carried out from the hot fluid or the cold fluid inside the shell side 1, so that the heat exchange effect is achieved, finally, the hot fluid or the cold fluid flows out from a second fluid outlet 11, the corrosive fluid flows out from a first fluid outlet 7, the pressure value of the corrosive fluid at the outlet of the first fluid outlet 7 is detected through a pressure gauge 8, the shell side tube plate 9 and the heat exchange mechanism 2 form a closed structure through an external bolt, and the sealing effect of the connection part of the shell side tube plate 9 and the heat exchange mechanism 2 is improved through a rubber sealing ring 24, therefore, corrosive fluid in the heat exchange mechanism 2 is effectively prevented from leaking into the shell side 1, the inside of the shell side 1 is corroded, the first tube box 3 and the second tube box 10 are respectively isolated from the shell side 1 through the shell side tube plate 9, after the leakage occurs at the joint of the first fluid inlet 4 or the first fluid outlet 7 and the connecting tube 95, the corrosive gas is blocked inside the first tube box 3 and the second tube box 10 by the shell side tube plate 9 and cannot enter the shell side 1, and the corrosion range of the heat exchanger is reduced.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (4)

1. A silicon carbide double-tube plate heat exchanger comprises a shell pass (1) and is characterized in that one end of the shell pass (1) is provided with a first tube box (3), the other end of the shell pass (1) is provided with a second tube box (10), one side, close to the second tube box (10), of the top end of the shell pass (1) is provided with a second fluid outlet (11), one side, close to the first tube box (3), of the bottom end of the shell pass (1) is provided with a second fluid inlet (5), one side, close to the second fluid inlet (5), of the bottom end of the shell pass (1) is fixedly connected with a support (6), a heat exchange mechanism (2) is installed inside the shell pass (1), shell pass tube plates (9) are arranged at two ends of the heat exchange mechanism (2), one end of the second tube box (10) is connected with a first fluid outlet (7) in a penetrating manner, and a pressure gauge (8) is arranged on the outer side, close to the second tube box (10), of the top, one end of the first channel box (3) is provided with a first fluid inlet (4) in a penetrating way, the heat exchange mechanism (2) comprises a tube pass (21), tube pass tube plates (23) are arranged at two ends of the tube pass (21), and the outside of the tube pass (21) is provided with baffle plates (22) in a vertical crossing way, one end of the tube pass tube plate (23) is embedded with a rubber sealing ring (24), the shell side tube plate (9) comprises an arch cover plate (91), one end of the arch cover plate (91) is fixedly connected with a connecting tube (95), and the outer side of the other end of the arched cover plate (91) is fixedly connected with an annular connecting plate (94), one end of the annular connecting plate (94) close to the outer side of the arched cover plate (91) is provided with a second threaded hole (93), and one end of the annular connecting plate (94) is provided with a first threaded hole (92) close to the outer side of the second threaded hole (93).
2. The silicon carbide double-tube plate heat exchanger as claimed in claim 1, wherein one end of the annular connecting plate (94) far away from the arched cover plate (91) is provided with an annular groove, and the rubber sealing ring (24) is connected with the arched cover plate (91) through the annular groove.
3. The silicon carbide double tube plate heat exchanger as claimed in claim 1, wherein bolts are arranged on the inner side of the second threaded holes (93), the annular connecting plate (94) is fixedly connected with the tube side tube plate (23) through the bolts on the inner side of the second threaded holes (93), bolts are also arranged on the inner side of the first threaded holes (92), and the outer sides of two ends of the annular connecting plate (94) are fixedly connected with the shell side (1) and the second tube box (10) through the bolts on the inner side of the first threaded holes (92).
4. A silicon carbide double tube sheet heat exchanger according to claim 1, wherein the connecting tubes (95) are located inside the second tube box (10) and the first tube box (3), respectively, and the connecting tubes (95) are connected to the first fluid outlet (7) and the first fluid inlet (4) by flanges, and the tube side (21) is a member made of silicon carbide.
CN201821624671.5U 2018-10-08 2018-10-08 Silicon carbide double-tube-plate heat exchanger Active CN211317023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821624671.5U CN211317023U (en) 2018-10-08 2018-10-08 Silicon carbide double-tube-plate heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821624671.5U CN211317023U (en) 2018-10-08 2018-10-08 Silicon carbide double-tube-plate heat exchanger

Publications (1)

Publication Number Publication Date
CN211317023U true CN211317023U (en) 2020-08-21

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ID=72079165

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821624671.5U Active CN211317023U (en) 2018-10-08 2018-10-08 Silicon carbide double-tube-plate heat exchanger

Country Status (1)

Country Link
CN (1) CN211317023U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112696946A (en) * 2020-12-29 2021-04-23 山东林安热能科技有限公司 Shell and tube heat exchanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112696946A (en) * 2020-12-29 2021-04-23 山东林安热能科技有限公司 Shell and tube heat exchanger

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