CN113883948B - Shell-and-tube heat exchanger - Google Patents
Shell-and-tube heat exchanger Download PDFInfo
- Publication number
- CN113883948B CN113883948B CN202111123834.8A CN202111123834A CN113883948B CN 113883948 B CN113883948 B CN 113883948B CN 202111123834 A CN202111123834 A CN 202111123834A CN 113883948 B CN113883948 B CN 113883948B
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- China
- Prior art keywords
- heat exchanger
- heat
- exchanger body
- heat preservation
- protective shell
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Classifications
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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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
-
- 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
-
- 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
- F28F9/007—Auxiliary supports for elements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the field of heat exchangers, in particular to a shell and tube type heat exchanger, which comprises a heat exchanger body, wherein a heat preservation layer and a protective shell are arranged on the heat exchanger body, the heat preservation layer is positioned between the protective shell and the heat exchanger body, the heat preservation layer can play a role in heat preservation, the heat preservation layer is arranged between the heat exchanger body and the protective shell, heat loss in the heat exchanger body can be reduced, the heat exchange effect is improved, and the problem that part of heat in the heat exchanger body can be emitted through a shell to influence the heat exchange effect is solved.
Description
Technical Field
The invention relates to the field of heat exchangers, in particular to a tube type heat exchanger.
Background
The shell and tube heat exchanger is a heat exchanger with simple structure, low cost, wider flow section and low heat transfer coefficient, can be used at high temperature and high pressure, and is a heat exchanger with wider application at present.
The Chinese patent with the bulletin number of CN208779986U discloses an anti-corrosion shell and tube heat exchanger, which comprises a heat exchanger body, the middle part of the heat exchanger body comprises a shell, the both ends of the shell are all connected with a tube box, the junction that the shell and the tube box are connected with the tube box is fixedly connected with a sealing extension plate, just the shell is connected with the tube box through the sealing extension plate, one the left side surface of the tube box is fixedly communicated with a first liquid inlet tube, the other the right side surface of the tube box is fixedly communicated with a second liquid inlet tube, the outer side surface of the shell is fixedly connected with a connecting sleeve, the bottom of the connecting sleeve is fixedly connected with a supporting seat, the top of the shell is fixedly communicated with a third liquid inlet tube and a fourth liquid inlet tube respectively, a chamber is formed in the interior of the tube box, a heat exchange chamber is formed in the interior of the shell, a tube plate is arranged between the heat exchange chamber and the chamber, the outer side surface of the heat pipe is fixedly connected with the inner wall of the shell, the heat exchange chamber is internally provided with a heat exchange tube, the both ends of the heat exchange chamber are connected with the tube plate, the tube plate is fixedly communicated with the inner side of the heat tube, the heat tube is internally provided with a through-inlet tube or a through-inlet tube, the first liquid inlet tube is communicated with the second liquid inlet tube through the through-inlet tube and the first liquid inlet tube and the second liquid inlet tube.
The heat exchanger can achieve the purpose of heat exchange, but in the heat exchange process, part of heat in the heat exchanger body can be emitted through the shell, so that the heat exchange effect is affected.
Disclosure of Invention
In order to improve the problem that part of heat in the heat exchanger body can be distributed out through the casing, influence the heat transfer effect, this application provides a shell and tube heat exchanger.
The tube type heat exchanger provided by the application adopts the following technical scheme:
the shell and tube heat exchanger comprises a heat exchanger body, wherein an insulation layer and a protective shell are arranged on the heat exchanger body, and the insulation layer is located between the protective shell and the heat exchanger body.
Through adopting above-mentioned technical scheme, the heat preservation can play the heat preservation effect, sets up the heat preservation between heat exchanger body and protecting crust, can reduce the inside heat loss of heat exchanger body, helps improving the heat transfer effect, has improved the problem that the part heat in the heat exchanger body can be distributed through the casing, influences the heat transfer effect.
Optionally, the heat preservation with the connection can be dismantled to the heat exchanger body, be equipped with the access hole on the protecting crust and be used for sheltering from the access cover of access hole, the access cover with the connection can be dismantled to the protecting crust.
By adopting the technical scheme, a user can detach the access cover periodically, and check the heat preservation layer through the access opening so as to determine whether the heat preservation layer needs to be replaced or not; when changing the heat preservation, dismantle the heat preservation from the heat exchanger body, take out the heat preservation through the access hole, install new heat preservation on the heat exchanger body through the access hole again, realize the smooth change of heat preservation to ensure the heat preservation effect of heat preservation.
Optionally, the heat-insulating layer includes a plurality of heat-insulating blocks, and the heat-insulating blocks are detachably connected with the heat exchanger body
Through adopting above-mentioned technical scheme, the user can change single heat preservation piece according to the demand when the inspection heat preservation, need not change whole heat preservation, has saved the replacement cost on the one hand, on the other hand, save material, can not cause the waste of material.
Optionally, the heat exchanger body is rotatably connected with an annular mounting frame, and the heat insulation block is detachably connected with the annular mounting frame
By adopting the technical scheme, when whether the heat insulation block needs to be replaced or not is checked, the annular mounting frame can be rotated, so that each part on the heat insulation block has a chance to be rotated to the overhaul port to be checked, and the checking effect is better; the state of each heat preservation block is observed through the overhaul port, whether the heat preservation block needs to be replaced or not is then determined, and the heat preservation block needing to be replaced is rotated to the overhaul port, so that replacement is facilitated.
Optionally, be equipped with T shape piece on the annular mounting bracket, the length direction of T shape piece with the length direction of annular mounting bracket is the same, the vertical portion of T shape piece with annular mounting bracket links to each other, the both sides of heat preservation piece are located the horizontal part of T shape piece with between the annular mounting bracket, the heat preservation piece is heat preservation cotton.
Through adopting above-mentioned technical scheme, when changing the heat preservation cotton, pull out the both sides of heat preservation cotton from between horizontal part and the annular mounting bracket of T shape piece, rethread access hole takes out the heat preservation cotton, then inserts between horizontal part and the annular mounting bracket of T shape piece with new heat preservation cotton's both sides through the access hole, accomplishes the change of heat preservation cotton, and change process convenience, swift.
Optionally, sliding connection has the limited piece on the T shape piece, the limited piece with be connected with the spring between the T shape piece, the limited piece is located in the protecting crust and contradict the protecting crust inner wall, just the limited piece is located when the protecting crust, the spring is compressed.
Through adopting above-mentioned technical scheme, when changing the heat preservation cotton, will need change the heat preservation cotton and rotate to the access hole department, the stop piece that is located on the T shape piece of heat preservation cotton both sides is popped out under the elasticity effect of spring, and the stop piece is located access hole lateral wall department after popping out to spacing to the protecting crust, the protecting crust rotates when avoiding changing the heat preservation cotton, influences the change of heat preservation cotton.
Optionally, the stop piece is through ball conflict the protecting crust inner wall, the ball sets up on the stop piece, the ball is contradicted the protecting crust inner wall.
Through adopting above-mentioned technical scheme, when the stop piece in the protecting crust, the ball contradicts the protecting crust inner wall, and the setting of ball can make the rotation of annular mounting bracket more smooth and easy, brings the convenience for observing the state of use of heat preservation cotton.
Optionally, be connected with the support on the heat exchanger body, be connected with gyro wheel and locking subassembly on the support, the gyro wheel rotates to be connected on the support, locking subassembly includes locking ring, ratchet and pawl, the locking ring rotates to be connected on the support, be equipped with the breach on the locking ring, the ratchet sets up on the locking ring, be equipped with the connecting rod on the support, the pawl with the connecting rod rotates to be connected, the cover is equipped with the torsional spring on the connecting rod, the one end of torsional spring is connected the support, the other end is connected the pawl, the pawl joint is in on the ratchet, be located on the heat exchanger body with the adjacent ratchet opposite direction on the ring of one side, when breach on the locking ring is towards ground, leave the space between breach and ratchet and the ground.
Through adopting above-mentioned technical scheme, when needs remove the heat exchanger body, adjust the locking ring, the breach on the messenger locking ring is towards ground, promotes the heat exchanger body, and the gyro wheel takes place to rotate to realize the purpose of conveniently removing the heat exchanger body, when need not continue to remove the heat exchanger body, rotate the locking ring, make the ratchet on the locking ring towards ground and contradict subaerial, the ratchet is by the pawl chucking this moment, plays the locking effect to the heat exchanger body, because the ratchet opposite direction on the adjacent locking ring of same side on the heat exchanger body, consequently, can make the heat exchanger body all be difficult for taking place to remove from both ends which direction.
Optionally, the center of the locking ring and the center of the roller are on the same horizontal line, and the outer diameter of the locking ring is not smaller than the diameter of the roller.
Through adopting above-mentioned technical scheme, remove the heat exchanger body to the suitable position after, readjust the in-process of locking ring, when the ratchet on the locking ring contradicts ground, the gyro wheel can break away from ground to further improve the stability of heat exchanger body, make the heat exchanger body be difficult to take place more and remove.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the heat preservation layer can play a role in heat preservation, is arranged between the heat exchanger body and the protective shell, can reduce heat loss in the heat exchanger body, is beneficial to improving the heat exchange effect, and solves the problem that part of heat in the heat exchanger body can be emitted through the shell to influence the heat exchange effect;
2. the user can detach the access cover periodically, and check the heat preservation layer through the access opening so as to determine whether the heat preservation layer needs to be replaced; when the heat preservation is replaced, the heat preservation is detached from the heat exchanger body, the heat preservation is taken out through the access hole, and a new heat preservation is installed on the heat exchanger body through the access hole, so that the heat preservation can be replaced smoothly, and the heat preservation effect of the heat preservation is ensured;
3. when the user checks the heat preservation, can change individual heat preservation piece according to the demand, need not change whole heat preservation, saved the replacement cost on the one hand, on the other hand, save material, can not cause the waste of material.
Drawings
Fig. 1 is a schematic structural diagram of a shell and tube heat exchanger according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram for illustrating a positional relationship between a roller and a locking assembly according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram for embodying a positional relationship between a heat insulation block and a heat exchanger body in the embodiment of the present application.
Fig. 4 is an enlarged view of a portion a of fig. 3 for showing a connection relationship between the stopper piece and the T-piece.
Fig. 5 is a schematic structural view of a locking assembly according to an embodiment of the present application.
Reference numerals illustrate:
1. a heat exchanger body; 2. a protective shell; 3. a heat preservation block; 4. an annular mounting frame; 5. t-shaped piece; 6. a stop piece; 7. a spring; 8. a mounting groove; 9. a ball; 10. an access cover; 11. a bracket; 12. a locking ring; 13. a ratchet; 14. a pawl; 15. a connecting shaft; 16. a linkage rod; 17. a notch; 18. a connecting rod; 19. a torsion spring; 20. a roller; 21. a rotating lever; 22. and (3) a torsion spring.
Detailed Description
The embodiment of the application discloses a shell and tube heat exchanger. Referring to fig. 1, a shell and tube heat exchanger includes a heat exchanger body 1, and an insulation layer and a protective shell 2 are connected to the heat exchanger body 1. The heat preservation layer is positioned between the protective shell 2 and the heat exchanger body 1.
Referring to fig. 2 and 3, the heat exchanger body 1 is rotatably connected with an annular mounting frame 4 through a bearing, the heat insulation layer comprises a plurality of heat insulation blocks 3, the heat insulation blocks 3 are heat insulation cotton, the heat insulation blocks 3 are detachably connected with the annular mounting frame 4, the heat insulation blocks 3 are in an annular array with the central line of the annular mounting frame 4 as the center, T-shaped pieces 5 are fixedly connected to the annular mounting frame 4, the length direction of the T-shaped pieces 5 is identical with the length direction of the annular mounting frame 4, the vertical parts of the T-shaped pieces 5 are connected with the annular mounting frame 4, and two sides of the heat insulation blocks 3 are positioned between the horizontal parts of the T-shaped pieces 5 and the annular mounting frame 4.
Referring to fig. 2 and 4, a stop piece 6 is slidably connected to the T-shaped piece 5, a spring 7 is connected between the stop piece 6 and the T-shaped piece 5, specifically, an installation groove 8 is formed in the T-shaped piece 5, one side of the stop piece 6 is located in the installation groove 8 and slidably matched with the installation groove 8, one end of the spring 7 is connected with the bottom of the installation groove 8, the other end of the spring is connected with the stop piece 6, the annular mounting frame 4, the T-shaped piece 5, the heat insulation block 3 and the stop piece 6 are located in the protective shell 2, the stop piece 6 abuts against the inner wall of the protective shell 2 through balls 9, the balls 9 are arranged on the stop piece 6, the balls 9 abut against the inner wall of the protective shell 2, and when the stop piece 6 is located in the protective shell 2, the spring 7 is compressed.
Referring to fig. 2 and 4, the protective housing 2 is provided with an access hole and an access cover 10 for shielding the access hole, the access cover 10 is detachably connected with the protective housing 2 through screws, the ball 9 on the stop piece 6 at the access hole in the protective housing 2 abuts against the access cover 10, and when one stop piece 6 abuts against the side wall of the access hole, the other stop piece 6 adjacent thereto abuts against the side wall of the access hole.
Referring to fig. 1, 2 and 5, a support 11 is connected to a heat exchanger body 1, a roller 20 and a locking component are connected to the support 11, the roller 20 and the locking component are located on two opposite sides of the support 11, the roller 20 is rotationally connected to the support 11 through a rotating rod 21, the rotating rod 21 is rotationally connected to the support 11, the roller 20 is arranged on the rotating rod 21, the locking component comprises a locking ring 12, a ratchet 13 and a pawl 14, the locking ring 12 is rotationally connected to the support 11, specifically, the support 11 is rotationally connected to a connecting shaft 15, the side wall of the connecting shaft 15 is connected with the inner side wall of the locking ring 12 through a linkage rod 16, the center line of the locking ring 12 coincides with the center line of the connecting shaft 15, the center of the locking ring 12 is on the same horizontal line with the center of the roller 20, the outer diameter of the locking ring 12 is not smaller than the diameter of the roller 20, in this embodiment, the outer diameter of the locking ring 12 is larger than the roller 20, an indentation 17 is arranged on the locking ring 12, the ratchet 13 is arranged on the locking ring 12, a connecting rod 18 is connected to the support 11, the pawl 14 is rotationally connected to the connecting rod 18, a torsion spring 12 is sleeved on the connecting rod 18, 22 is arranged on the connecting rod, the other end of the ratchet 12 is clamped to the ratchet 13, and the pawl 14 is opposite to the ratchet 13, and the opposite end is opposite to the ratchet 13 on the side of the support 12, and the opposite direction of the ratchet 12 when the ratchet is connected to the ratchet 13, and the opposite direction is connected to the opposite side to the side of the support 12.
The implementation principle of the tube type heat exchanger in the embodiment of the application is as follows: install the heat preservation outside heat exchanger body 1, can play the heat preservation effect to heat exchanger body 1, reduce the heat loss of heat exchanger body 1 inside, make the heat in the heat exchanger body 1 mainly used heat transfer, help improving the heat transfer effect, improved the problem that partial heat in the heat exchanger body 1 can be distributed out through the casing, influence the heat transfer effect.
The staff can fix a position and inspect the heat preservation piece 3 in the protecting crust 2, when the inspection, dismantle the access cover 10 from the protecting crust 2, stir the heat preservation piece 3, annular mounting frame 4 rotates, when stop piece 6 moves to access opening department, stop piece 6 pops out from access opening department under the elasticity effect of spring 7, stop piece 6 is contradicted on two opposite lateral walls on the access opening, thereby carry out spacing to annular mounting frame 4, avoid annular mounting frame 4 to rotate, so that the staff inspects the heat preservation piece 3, after the inspection, apply force to stop piece 6, press stop piece 6 back into protecting crust 2, continue to rotate annular mounting frame 4, so as to inspect next heat preservation piece 3, repeat above-mentioned operation, until all inspections to heat preservation piece 3 are completed.
In the inspection process, if the heat preservation block 3 needs to be replaced, two sides of the heat preservation block 3 needing to be replaced are taken out from between the horizontal part of the T-shaped piece 5 and the annular mounting frame 4 through the access hole, and two sides of a new heat preservation block 3 are inserted between the horizontal part of the T-shaped piece 5 and the annular mounting frame 4, so that the replacement of the heat preservation block 3 is completed.
When the heat exchanger body 1 needs to be moved, the locking ring 12 is adjusted, the notch 17 on the locking ring 12 faces the ground, the heat exchanger body 1 is forced, the roller 20 rolls, the purpose of moving the heat exchanger body 1 is achieved, after the heat exchanger body 1 is moved to a proper position, the locking ring 12 is rotated, the notch 17 on the locking ring 12 does not face the ground any more, the ratchet teeth 13 are abutted against the ground, the outer diameter of the locking ring 12 is larger than the diameter of the roller 20, at the moment, the roller 20 is separated from the ground, the pawl 14 is clamped in the ratchet teeth 13, and the directions of the ratchet teeth 13 on the adjacent locking rings 12 on the same side of the heat exchanger body 1 are opposite, so that the heat exchanger body 1 cannot easily move from any direction at two ends.
Claims (3)
1. The utility model provides a shell and tube heat exchanger, includes heat exchanger body (1), its characterized in that: the heat exchanger comprises a heat exchanger body (1), wherein a heat preservation layer and a protective shell (2) are arranged on the heat exchanger body (1), the heat preservation layer is arranged between the protective shell (2) and the heat exchanger body (1), the heat preservation layer is detachably connected with the heat exchanger body (1), an access opening and an access cover (10) for shielding the access opening are arranged on the protective shell (2), the access cover (10) is detachably connected with the protective shell (2), the heat preservation layer comprises a plurality of heat preservation blocks (3), the heat preservation blocks (3) are detachably connected with the heat exchanger body (1), an annular mounting frame (4) is rotationally connected on the heat exchanger body (1), the heat preservation blocks (3) are detachably connected with the annular mounting frame (4), T-shaped pieces (5) are arranged on the annular mounting frame (4), the length direction of the T-shaped pieces (5) is the same as the length direction of the annular mounting frame (4), the vertical parts of the T-shaped pieces (5) are connected with the annular pieces (4), the T-shaped pieces (3) are detachably connected with the annular pieces (6), the two sides of the T-shaped pieces (5) are horizontally connected with the annular mounting frame (6), the anti-collision device is characterized in that the stop piece (6) is located in the protective shell (2) and abuts against the inner wall of the protective shell (2), and when the stop piece (6) is located in the protective shell (2), the spring (7) is compressed, the stop piece (6) abuts against the inner wall of the protective shell (2) through the ball (9), the ball (9) is arranged on the stop piece (6), and the ball (9) abuts against the inner wall of the protective shell (2).
2. A shell and tube heat exchanger as claimed in claim 1, wherein: the heat exchanger is characterized in that a support (11) is connected to the heat exchanger body (1), a roller (20) and a locking assembly are connected to the support (11), the roller (20) is rotationally connected to the support (11), the locking assembly comprises a locking ring (12), a ratchet (13) and a pawl (14), the locking ring (12) is rotationally connected to the support (11), an indentation (17) is arranged on the locking ring (12), the ratchet (13) is arranged on the locking ring (12), a connecting rod (18) is arranged on the support (11), the pawl (14) is rotationally connected with the connecting rod (18), a torsion spring (22) is sleeved on the connecting rod (18), one end of the torsion spring (22) is connected to the support (11), the other end of the torsion spring is connected to the pawl (14), the pawl (14) is clamped on the ratchet (13), the ratchet (13) on the same side of the heat exchanger body (1) is opposite in direction, and the indentation (17) faces the surface of the ground and is located between the indentation (17) and the surface (17).
3. A shell and tube heat exchanger as claimed in claim 2, wherein: the center of the locking ring (12) and the center of the roller (20) are on the same horizontal line, and the outer diameter of the locking ring (12) is not smaller than the diameter of the roller (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111123834.8A CN113883948B (en) | 2021-09-24 | 2021-09-24 | Shell-and-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111123834.8A CN113883948B (en) | 2021-09-24 | 2021-09-24 | Shell-and-tube heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113883948A CN113883948A (en) | 2022-01-04 |
| CN113883948B true CN113883948B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111123834.8A Active CN113883948B (en) | 2021-09-24 | 2021-09-24 | Shell-and-tube heat exchanger |
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| CN (1) | CN113883948B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113883948A (en) | 2022-01-04 |
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