CN220472391U - Shell-and-tube heat exchanger - Google Patents
Shell-and-tube heat exchanger Download PDFInfo
- Publication number
- CN220472391U CN220472391U CN202322089433.6U CN202322089433U CN220472391U CN 220472391 U CN220472391 U CN 220472391U CN 202322089433 U CN202322089433 U CN 202322089433U CN 220472391 U CN220472391 U CN 220472391U
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- Prior art keywords
- shell
- tube
- heat exchanger
- head cylinder
- seal head
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- 239000007788 liquid Substances 0.000 claims abstract description 44
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000010936 titanium Substances 0.000 claims abstract description 29
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 11
- 230000007797 corrosion Effects 0.000 abstract description 11
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 28
- 230000008093 supporting effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000004023 plastic welding Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a shell-and-tube heat exchanger, which comprises a shell, a plurality of titanium tubes penetrating through and extending out of two ends of the shell, wherein the ends of the titanium tubes vertically penetrate through tube plates together, the outer sides of the two tube plates are respectively provided with a seal head cylinder in a sealing manner, one end of each seal head cylinder is open, and one end of each seal head cylinder is sealed and connected with the end of the shell; the sealing end of the sealing head cylinder and one side of the tube plate form a tube pass communicated with the inside of the titanium tube, the other side of the tube plate and the sealing head cylinder form a shell pass communicated with the inner side of the shell, and the side part of the sealing head cylinder is respectively provided with a first liquid inlet and a second liquid outlet communicated with the tube pass and the shell pass. According to the shell-and-tube heat exchanger, the titanium tube is arranged in the shell for heat exchange, the baffle plate is not required to be arranged in the heat exchanger, corrosion and scaling of the heat exchanger are reduced, the end socket tube is detachably connected with the shell, cleaning and maintenance are more convenient, and the use efficiency of the heat exchanger is improved.
Description
Technical Field
The utility model belongs to the technical field of heat exchangers, and particularly relates to a shell-and-tube heat exchanger.
Background
The heat exchanger is used for extracting heat dispersed in sewage such as urban raw sewage, industrial wastewater, slag flushing water, printing and dyeing wastewater and the like, and can be transferred to a heat pump unit through intermediate water exchange, and the heat exchanger is lifted to heat a building through the heat pump unit, and heat in the building is transferred to the sewage in summer to refrigerate the building.
The baffle plate is arranged in the existing shell and tube heat exchanger, the fluid path is changed through the baffle plate, the heat exchange time is increased, however, turbulent flow is easy to form when fluid flows through the baffle plate, the resistance of the fluid flowing through is large, the tube wall of the heat exchanger is easy to corrode and scale, the heat exchange efficiency of the heat exchanger is affected, and the technical problem that the heat exchange efficiency is low is solved due to the fact that the scale is easy to corrode and scale of the existing heat exchanger.
Disclosure of Invention
The utility model aims to provide a shell-and-tube heat exchanger, which solves the technical problems of low heat exchange efficiency caused by corrosion and scaling in the use of the existing heat exchanger, and reduces corrosion and scaling in the heat exchanger by arranging a titanium tube in a shell, wherein a baffle plate is not required to be arranged in the heat exchanger, a seal head cylinder is detachably connected with the shell, cleaning and maintenance are more convenient, and the heat exchange efficiency of the heat exchanger is ensured.
The shell-and-tube heat exchanger comprises a shell, and further comprises a plurality of titanium tubes penetrating through and extending out to two ends of the shell, wherein the end parts of the titanium tubes vertically penetrate through tube plates together, the outer sides of the two tube plates are respectively provided with a seal head cylinder in a sealing manner, one end of each seal head cylinder is open, and one end of each seal head cylinder is sealed and connected with the end part of the shell;
the sealing end of the sealing head cylinder is communicated with one side of the tube plate to form a tube pass communicated with the inside of the titanium tube, the other side of the tube plate is communicated with the inner side of the shell through the sealing head cylinder, a first liquid inlet and a second liquid outlet communicated with the tube pass and the tube pass are respectively arranged on the side part of the sealing head cylinder at one end of the shell, and a first liquid outlet communicated with the first liquid inlet and a second liquid inlet communicated with the second liquid outlet are respectively arranged on the side part of the sealing head cylinder at the other end of the shell;
and a limit ring for preventing the tube plate from moving in series is arranged in the seal head cylinder.
The side part of the sealed end of the seal head cylinder is symmetrically provided with a plurality of support plates, the length of each support plate is greater than that of the second liquid outlet and that of the first liquid inlet, and two adjacent heat exchangers are stacked and connected through the support plates.
A first check ring is arranged at the outer side of the open end of the seal head cylinder, a second check ring in butt joint with the first check ring is arranged at the outer side of the shell, and the first check ring is connected with the second check ring through an annular clamping piece;
the annular clamping piece comprises clamping belts with two sides respectively clamped on the first side of the check ring and the second side of the check ring, and fastening joints respectively detachably connected with two ends of the clamping belts;
the clamping band comprises a plurality of U-shaped blocks hinged end to end, the distance between the two inner sides of the U-shaped blocks is gradually enlarged from the bottom end to the open end, the two inner sides of the U-shaped blocks are respectively abutted to the first check ring and the second check ring, and a sealing gasket is arranged between the first check ring and the second check ring.
The fastening joint comprises a movable block, a fixed block and a connecting rod, wherein one end of the movable block is hinged with the U-shaped block in one end of the clamping belt, one end of the fixed block is hinged with the U-shaped block in the other end of the clamping belt, and the other end of the movable block is in threaded connection with the other end of the fixed block through the connecting rod;
the other end lateral part of movable block is provided with the supporting shoe, link up on the supporting shoe and be provided with the screw hole, the other end lateral part of fixed block is provided with the L shaped plate, the connecting rod rotates perpendicularly and sets up the one end of L shaped plate, the one end lateral part of connecting rod be provided with the external screw thread of screw hole spiro union, the other end of connecting rod is provided with bevel gear one, be provided with on the L shaped plate with bevel gear two of bevel gear one meshing, bevel gear two coaxial coupling has the nut, bevel gear two passes through the nut rotates and sets up on the L shaped plate.
The outer diameter of the tube sheet is smaller than the inner diameter of the shell.
The seal head cylinder is connected with the shell in a welding way or in a flange way (the welding is performed by using a plastic welding rod made of the same material as the shell).
The open end of the seal head cylinder is sleeved on the outer side of the shell, and a first seal ring is arranged between the shell and the seal head cylinder.
And a second sealing ring is arranged between the tube plate and the seal head cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The titanium tube is arranged in the shell for heat exchange, and the baffle plate is not required to be arranged in the heat exchanger, so that corrosion and scaling of the heat exchanger are reduced, the seal head cylinder is detachably connected with the shell, the titanium tube is detachably connected with the shell, and cleaning and maintenance of the interior of the heat exchanger are more convenient, so that the heat exchange efficiency of the heat exchanger is ensured;
(2) The head cylinder is connected with the shell through the annular clamping piece, the connection of the head cylinder and the shell is firmer, the disassembly is more convenient, the head cylinders at the two ends of the heat exchanger can be installed at multiple angles, and the heat exchanger is more convenient and quick to install and assemble.
(3) The end socket cylinder is provided with the supporting plate, the heat exchanger is assembled and fixed through the supporting plate, and the heat exchanger is installed and combined stably and reliably.
Drawings
Fig. 1 is a schematic view of the internal structure of the present utility model.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic diagram showing the combination of the closure head cylinder and the shell.
Fig. 4 is a schematic structural view of the annular clip of the present utility model.
Fig. 5 is a cross-sectional view of a U-shaped block of the present utility model.
Fig. 6 is a schematic structural view of the connection of the seal head cylinder and the shell flange.
Fig. 7 is a schematic structural diagram of the connection between the seal head cylinder and the shell through the first seal ring.
Fig. 8 is a schematic structural view of the welding of the closure tube and the shell of the utility model.
Fig. 9 is a schematic diagram of a heat exchanger in series connection in accordance with a first embodiment of the present utility model.
Fig. 10 is a schematic diagram of a parallel connection structure of heat exchangers in the second embodiment of the present utility model.
Fig. 11 is a schematic diagram of an internal connection structure according to a second embodiment of the present utility model.
Wherein, in the figure: 1. a housing; 11. a first sealing ring; 12. a second check ring; 2. a seal head cylinder; 21. the liquid inlets I, 22 and the liquid outlet II; 23. a support plate; 24. a limit ring; 25. a first check ring; 26. a first liquid outlet; 27. a liquid inlet II; 3. a titanium tube; 4. a tube sheet; 41. a second sealing ring; 5. an annular clamping piece; 51. a U-shaped block; 52. a fixed block; 53. a movable block; 54. an L-shaped plate; 55. a support block; 56. a connecting rod; 57. bevel gears one, 58 and two; 6. a connector; 7. and a fixing frame.
Detailed Description
In order to more clearly describe the technical characteristics of the present solution, the present solution is described below by means of specific embodiments.
Example 1
Referring to fig. 1-9, a shell-and-tube heat exchanger comprises a shell 1, a plurality of titanium tubes 3 penetrating through and extending out of two ends of the shell 1, tube plates 4 penetrating through the ends of the titanium tubes 3 vertically, seal cartridges 2 with one open end and one closed end are respectively arranged on the outer sides of the two tube plates 4 in a sealing manner, and one open end of each seal cartridge 2 is in sealing connection with the end of the shell 1;
the sealed end of the seal head cylinder 2 and one side of the tube plate 4 form a tube pass communicated with the inside of the titanium tube 3, the other side of the tube plate 4 and the seal head cylinder 2 form a shell pass communicated with the inside of the shell 1, the side part of the seal head cylinder 2 at one end of the shell 1 is respectively provided with a first liquid inlet 21 and a second liquid outlet 22 communicated with the tube pass and the shell pass, and the side part of the seal head cylinder 2 at the other end of the shell 1 is respectively provided with a first liquid outlet 26 communicated with the first liquid inlet 21 and a second liquid inlet 27 communicated with the second liquid outlet 22;
the inside spacing collar 24 that is used for preventing tube sheet 4 from moving in series that is provided with of head section of thick bamboo 2, distance between the spacing collar 24 is slightly greater than the distance between tube sheet 4, reserve the clearance between tube sheet 4 and the spacing collar 24, and this clearance is greater than the difference of the axial deflection that causes because of the difference in temperature between casing 1 and the titanium pipe 3.
The side part of the closed end of the seal head cylinder 2 is symmetrically provided with a plurality of support plates 23, the length of each support plate 23 is greater than that of the second liquid outlet 22 and the length of each support plate is greater than that of the first liquid inlet 21, and two adjacent heat exchangers are stacked and connected through the support plates 23.
The outer side of the open end of the seal head cylinder 2 is provided with a first check ring 25, the outer side of the shell 1 is provided with a second check ring 12 which is in butt joint with the first check ring 25, and the first check ring 25 is connected with the second check ring 12 through an annular clamping piece 5;
the annular clamping piece 5 comprises clamping belts with two sides respectively clamped at the outer sides of the first retainer ring 25 and the second retainer ring 12 and fastening joints respectively detachably connected with two ends of the clamping belts;
the clamping band comprises a plurality of U-shaped blocks 51 hinged end to end, the space between the two inner sides of the U-shaped blocks 51 is gradually enlarged from the bottom end to the open end, the two inner sides of the U-shaped blocks 51 are respectively abutted with a first check ring 25 and a second check ring 12, and a sealing gasket is arranged between the first check ring 25 and the second check ring 12.
The fastening joint comprises a movable block 53 with one end hinged with the U-shaped block 51 in one end of the clamping belt and a fixed block 52 with one end hinged with the U-shaped block 51 in the other end of the clamping belt, wherein the other end of the movable block 53 is in threaded connection with the other end of the fixed block 52 through a connecting rod 56;
the other end lateral part of movable block 53 is provided with supporting shoe 55, link up on the supporting shoe 55 and be provided with the screw hole, the other end lateral part of fixed block 52 is provided with L shaped plate 54, connecting rod 56 runs through the both sides of L shaped plate 54 perpendicularly, and connecting rod 56 rotates to be connected on L shaped plate 54, the one end lateral part of connecting rod 56 is provided with the external screw thread with the screw hole spiro union, the other end of connecting rod 56 is provided with bevel gear one 57, be provided with on the L shaped plate 54 with bevel gear two 58 of bevel gear one 57 meshing, bevel gear two 58 coaxial coupling has the nut, bevel gear two 58 rotates through the nut and sets up on L shaped plate 54.
Preferably, the diameter of the titanium tube 3 is 16.88mm, the material of the shell 1 and the seal head cylinder 2 is frpp material, the diameter of the shell is 180mm, and the outer diameter of the tube plate 4 is smaller than the inner diameter of the shell 1.
(according to the water pump stroke and the flow meter, the flow rate is calculated, then the specifications of the shell 1 and the titanium tube 3 with different specifications are selected, the heat exchange efficiency of the heat exchanger can meet the use requirement on the premise of not using a baffle plate, scaling caused by the turbulent flow of the baffle plate can not happen, and the heat exchange efficiency of the heat exchanger can keep continuous and high-efficiency.)
The open end of the seal head cylinder 2 is sleeved on the outer side of the shell 1, and a first seal ring 11 is arranged between the shell 1 and the seal head cylinder 2.
A second sealing ring 41 is arranged between the tube plate 4 and the seal head cylinder 2 in a sealing way.
The two heat exchangers and the heat exchanger and the pipeline are connected through a connector 6, and a sealing ring is sleeved outside the connector 6.
The fixing frame 7 is a frame formed by encircling angle steel, and a plurality of heat exchangers are abutted with the inner sides of the angle steel of the fixing frame 7 through the supporting plates 23, so that the heat exchangers are fixed in the fixing frame.
The specific working process of the utility model comprises the following steps:
when the heat exchanger is used, the first retainer ring 25 of the seal head cylinder 2 and the second retainer ring 12 of the shell 1 are wrapped through the clamping band of the annular clamping piece 5, the connection angle of the seal head cylinder 2 and the shell 1 is adjusted, the connecting rod 56 penetrates into the supporting block 55, the nut is screwed, the nut drives the bevel gear II 58 to drive the connecting rod 56 to rotate through the bevel gear I57, the fixed block 52 and the movable block 53 are close to each other, the clamping band is tightly pressed, the seal head cylinder 2 and the shell 1 are firmly connected, the first liquid outlet 26 of one heat exchanger is connected with the first liquid inlet 21 of the adjacent heat exchanger end to end through the connector 6, meanwhile, the second liquid inlet 27 of the heat exchanger is connected with the second liquid outlet 22 of the previous heat exchanger, the heat exchangers are connected in series, a plurality of heat exchangers are stacked up and down under the supporting action of the supporting plate 23, the inner side of the angle steel of the fixing frame 7 is firmly abutted with the supporting plate 23, and the assembly of the heat exchanger system is completed.
Connecting the hot fluid with a first liquid inlet 21 of a top heat exchanger in the heat exchanger system, and discharging the hot fluid from a first liquid outlet 26 of a bottom heat exchanger after the hot fluid flows through the heat exchanger; the cold fluid is connected with a second liquid inlet 27 of the bottom heat exchanger, the cold fluid subjected to heat exchange is discharged from a second liquid outlet 22 of the top heat exchanger, and the connection and heat exchange of the pipeline are completed;
the hot fluid exchanges heat to cold fluid flowing in the shell pass in the tube pass, the cold fluid is discharged through a first liquid outlet 26 of the bottom heat exchanger, the cold fluid flows out from a second liquid outlet 22 of the top heat exchanger, and the heat exchange between the hot fluid and the cold fluid is realized through the opposite flow of the cold fluid and the hot fluid in the heat exchanger; the same can also realize the cooling heat exchange from the cold fluid to the hot fluid.
When the heat exchanger needs to be cleaned, the heat exchanger is detached from the fixing frame 7, a screw cap on the annular clamping piece 5 is screwed, the bevel gear I57 is driven to rotate through the bevel gear II 58, the bevel gear I57 drives the connecting rod 56 to reversely rotate, the movable block 53 is separated from the fixed block 52, the U-shaped block 51 is detached from the shell 1, the shell 1 is separated from the seal head cylinder 2, the inside of the heat exchanger can be cleaned, a titanium tube and the tube plate 4 can be pulled out from the shell 1, and the inside of a shell pass is deeply cleaned.
The titanium tube 3 is arranged in the shell 1 for heat exchange, and due to the fact that the specific strength of the titanium tube 3 is high, the heat exchanger can be made lighter, a baffle plate is not required to be arranged in the heat exchanger, the heat strength of the titanium tube is high, the temperature range of the titanium alloy can reach 500 ℃ in the working process, the strength of the titanium tube is not obviously attenuated, the corrosion resistance of the titanium tube is better, the titanium alloy works in humid atmosphere and seawater medium, the corrosion resistance of the titanium tube is much better than that of stainless steel, particularly the corrosion resistance, the acid corrosion and stress corrosion resistance are strong, the corrosion resistance to alkali metals and the like is excellent, the corrosion and scaling of the heat exchanger are reduced, the end socket barrel 2 is detachably connected with the shell 1, the titanium tube 3 is detachably connected with the shell 1, the cleaning and maintenance of the inside of the heat exchanger are more convenient, and the use efficiency of the heat exchanger is improved.
The shell 1 and the seal head cylinder 2 are made of frpp plastic, one-time mold opening forming can be carried out, a large number of welding operations on site are not needed during installation, and the construction is more convenient and quicker;
the titanium tube 3 is used as the heat exchange tube, no baffle plate is arranged in the shell 1, and the heat exchanger is not easy to block and scale, so that the heat exchange efficiency is not attenuated, the heat exchange tube is suitable for low-grade and low-flow-rate heat exchange conditions, and the heat recovery (circulating energy) is more energy-saving;
through annular fastener 5 detachably connection, the installation and the dismantlement installation of casing 1 and head section of thick bamboo 2 are more convenient, can carry out multiple modularization equipment with the heat exchanger, and the modularization is convenient for produce, also can satisfy the operation requirement of different engineering.
Example two
Referring to fig. 10-11, on the basis of the heat exchangers of the first embodiment being installed, four heat exchangers are connected in series to form a group, stacked on the lower part of the fixing frame 7, then four other heat exchangers are connected in series to form another group, two groups of heat exchangers are stacked together, then two liquid inlets 21 of the two groups of heat exchangers are connected in parallel, and are combined into one hot fluid inlet by using a tee joint, and two liquid outlets 26 are combined into one hot fluid outlet; combining the two liquid inlets II 27 into a cold fluid inlet, and combining the two liquid outlets II 22 into a cold fluid outlet by using a tee joint in parallel;
introducing hot fluid through a hot fluid inlet, introducing cold fluid through a cold fluid inlet, and completing heat exchange of the heat exchanger system through opposite flow of the hot fluid and the cold fluid;
the rest of the operation is the same as in the first embodiment and will not be described in detail here.
The technical features of the present utility model that are not described in the present utility model may be implemented by or using the prior art, and are not described in detail herein, but the above description is not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be within the scope of the present utility model by those skilled in the art.
Claims (8)
1. The shell-and-tube heat exchanger comprises a shell (1) and is characterized by further comprising a plurality of titanium tubes (3) penetrating through and extending out of two ends of the shell (1), wherein the end parts of the titanium tubes (3) vertically penetrate through tube plates (4) together, the outer sides of the two tube plates (4) are respectively provided with a seal head cylinder (2) with one open end and one closed end in a sealing manner, and one open end of the seal head cylinder (2) is in sealing connection with the end part of the shell (1);
the sealing device comprises a shell, a tube plate (4) and a shell, wherein a closed end of the shell (2) and one side of the tube plate (4) form a tube pass communicated with the inside of the titanium tube (3), the other side of the tube plate (4) and the shell (2) form a shell pass communicated with the inside of the shell (1), a first liquid inlet (21) and a second liquid outlet (22) communicated with the tube pass and the shell pass are respectively arranged on the side of the shell (2) at one end of the shell (1), and a first liquid outlet (26) communicated with the first liquid inlet (21) and a second liquid inlet (27) communicated with the second liquid outlet (22) are respectively arranged on the side of the shell (1) at the other end of the shell;
and a limit ring (24) for preventing the tube plate (4) from moving in series is arranged in the seal head cylinder (2).
2. Shell and tube heat exchanger according to claim 1, wherein the side of the closed end of the head cylinder (2) is symmetrically provided with a plurality of support plates (23), the length of the support plates (23) is greater than the length of the second liquid outlet (22) and greater than the length of the first liquid inlet (21), and two adjacent heat exchangers are stacked and connected by the support plates (23).
3. The shell and tube heat exchanger according to claim 2, wherein a first retainer ring (25) is arranged on the outer side of the open end of the seal head cylinder (2), a second retainer ring (12) which is in butt joint with the first retainer ring (25) is arranged on the outer side of the shell (1), and the first retainer ring (25) is connected with the second retainer ring (12) through an annular clamping piece (5);
the annular clamping piece (5) comprises clamping belts, two sides of which are respectively clamped at the outer sides of the first check ring (25) and the second check ring (12), and fastening connectors which are respectively detachably connected with two ends of the clamping belts;
the clamping band comprises a plurality of U-shaped blocks (51) hinged end to end, the distance between the two inner sides of the U-shaped blocks (51) is gradually enlarged from the bottom end to the open end, the two inner sides of the U-shaped blocks (51) are respectively abutted to the first check ring (25) and the second check ring (12), and a sealing gasket is arranged between the first check ring (25) and the second check ring (12).
4. A shell and tube heat exchanger according to claim 3, wherein the fastening joint comprises a movable block (53) with one end hinged with the U-shaped block (51) in one end of the clamping band, a fixed block (52) with one end hinged with the U-shaped block (51) in the other end of the clamping band, and the other end of the movable block (53) is in threaded connection with the other end of the fixed block (52) through a connecting rod (56);
the utility model discloses a bevel gear, including fixed block (52), connecting rod (56), movable block (53), support block (55) are provided with to the other end lateral part of the movable block (53), link up on support block (55) and be provided with the screw hole, the other end lateral part of the fixed block (52) is provided with support block (55), the other end lateral part of the fixed block (52) is provided with L shaped plate (54), connecting rod (56) one end lateral part be provided with the external screw thread of screw hole spiro union, the other end of connecting rod (56) is provided with bevel gear one (57), be provided with on L shaped plate (54) with bevel gear two (58) of bevel gear one (57) meshing, bevel gear two (58) coaxial coupling has the nut, bevel gear two (58) are passed through the nut rotates and sets up on L shaped plate (54).
5. Shell and tube heat exchanger according to claim 4, wherein the outer diameter of the tube sheet (4) is smaller than the inner diameter of the shell (1).
6. Shell and tube heat exchanger according to claim 1, characterized in that the head cylinder (2) is flanged to the housing (1).
7. The shell and tube heat exchanger according to claim 1, wherein the open end of the seal head cylinder (2) is sleeved on the outer side of the shell (1), and a seal ring I (11) is arranged between the shell (1) and the seal head cylinder (2).
8. Shell and tube heat exchanger according to claim 1, characterized in that a sealing ring two (41) is arranged between the tube plate (4) and the head cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322089433.6U CN220472391U (en) | 2023-08-04 | 2023-08-04 | Shell-and-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322089433.6U CN220472391U (en) | 2023-08-04 | 2023-08-04 | Shell-and-tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220472391U true CN220472391U (en) | 2024-02-09 |
Family
ID=89797567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322089433.6U Active CN220472391U (en) | 2023-08-04 | 2023-08-04 | Shell-and-tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220472391U (en) |
-
2023
- 2023-08-04 CN CN202322089433.6U patent/CN220472391U/en active Active
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