CN218495888U - Convenient winding tube heat exchanger who dismantles - Google Patents
Convenient winding tube heat exchanger who dismantles Download PDFInfo
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- CN218495888U CN218495888U CN202222725152.0U CN202222725152U CN218495888U CN 218495888 U CN218495888 U CN 218495888U CN 202222725152 U CN202222725152 U CN 202222725152U CN 218495888 U CN218495888 U CN 218495888U
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Abstract
The utility model provides a coiled tube heat exchanger convenient to disassemble, which comprises an upper tube box, an upper tube plate, a shell, a lower tube plate and a lower tube box which are sequentially connected from top to bottom, wherein the top of the upper tube plate is welded and fixed with the upper tube box, and the bottom of the lower tube plate is welded and fixed with the lower tube box; the upper pipe box is provided with a first medium inlet, and the lower pipe box is provided with a first medium outlet; a second medium inlet is formed in the side wall of the bottom end of the shell, and a second medium outlet is formed in the side wall of the top end of the shell; a central tube is fixedly connected between the upper tube plate and the lower tube plate, a winding tube bundle is arranged outside the central tube, and two ends of the winding tube bundle respectively penetrate through the upper tube plate and the lower tube plate and are communicated with an upper tube box and a lower tube box; the winding tube bundle is arranged inside the shell; the upper tube plate is detachably connected with the shell through a first fixing assembly, and the lower tube plate is detachably connected with the shell through a second fixing assembly. The utility model discloses can take winding tube bank out from the casing and wash, improve abluent cleanliness factor.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field especially relates to a convenient winding tubular heat exchanger who dismantles.
Background
Compared with the common tube type heat exchanger, the winding tube type heat exchanger has incomparable advantages, wide applicable temperature range, thermal shock adaptation, self elimination of thermal stress and high compactness, and due to the special structure of the winding tube type heat exchanger, a flow field is fully developed, no flow dead zone exists, and particularly, through arranging a plurality of tube passes, the heat exchange of a plurality of strands of fluids can be met in one device.
However, the tubular shell, the tube plate and the winding tube bundle of the traditional winding tube type heat exchanger are welded together to form a whole, and cannot be disassembled, when the heat exchanger needs to be cleaned regularly, cleaning liquid can only be introduced into the tube pass or the shell for cleaning, and the tube plate and the winding tube bundle cannot be taken out of the tubular shell for cleaning, so that the cleaning is not thorough enough; in addition, when the heat exchanger appears unusually and needs to be overhauld, also can't dismantle and overhaul.
Disclosure of Invention
The utility model provides a convenient winding tubular heat exchanger who dismantles has solved among the prior art problem that the unable washing that leads to of dismantling of tube-shape casing and tube sheet is not thorough and inconvenient to overhaul.
The technical scheme of the utility model is realized like this:
a coiled tube type heat exchanger convenient to disassemble comprises an upper tube box, an upper tube plate, a shell, a lower tube plate and a lower tube box which are sequentially connected from top to bottom, wherein the top of the upper tube plate is welded and fixed with the upper tube box, and the bottom of the lower tube plate is welded and fixed with the lower tube box; the upper pipe box is provided with a first medium inlet, and the lower pipe box is provided with a first medium outlet; a second medium inlet is formed in the side wall of the bottom end of the shell, and a second medium outlet is formed in the side wall of the top end of the shell; a central tube is fixedly connected between the upper tube plate and the lower tube plate, a winding tube bundle is arranged outside the central tube, and two ends of the winding tube bundle respectively penetrate through the upper tube plate and the lower tube plate and are communicated with an upper tube box and a lower tube box; the winding tube bundle is arranged inside the shell; the upper tube plate is detachably connected with the shell through a first fixing assembly, and the lower tube plate is detachably connected with the shell through a second fixing assembly.
The utility model discloses a first fixed subassembly will go up the tube sheet and can dismantle with the casing and be connected, will descend tube sheet and casing through the fixed subassembly of second and can dismantle with the casing and be connected, when needs wash winding tube bank, can pull down tube sheet, lower tube sheet from the casing to the convenience is washd winding tube bank comprehensively, has improved abluent cleanliness factor.
As a preferred scheme of the present invention, the first fixing assembly includes a first flange and a pressing ring, the first flange is fixedly mounted on the outer wall of the top end of the casing, and the outer diameter of the upper tube box is smaller than the inner diameter of the casing; the outer wall of the bottom end of the upper tube plate is provided with an annular step, and the outer wall of the annular step is abutted against the inner wall of the first flange; the compression ring is detachably connected with the first flange through a first fastening bolt, and the inner wall of the compression ring extends downwards to be abutted against the top surface of the annular step; through the cooperation of the first flange on the shell, the pressing ring and the annular step of the upper tube plate, the detachable connection of the upper tube plate and the shell can be realized.
As a preferred scheme of the present invention, the first fixing assembly further includes a first sealing washer, the first sealing washer is sleeved outside the upper tube plate and located on the step, and an inner wall of the pressing ring extends downward to abut against a top surface of the first sealing washer; through set up first sealing washer on the step of last tube sheet, can guarantee the leakproofness of going up the tube sheet installation, avoid the inside medium of casing to reveal.
As a preferred scheme of the present invention, the second fixing component includes a second flange and a third flange, the second flange is fixedly mounted on the outer wall of the bottom end of the casing, the third flange is fixedly mounted on the outer wall of the top end of the lower tube box, and the second flange and the third flange are detachably connected through a second fastening bolt; a convex ring extends outwards from the middle part of the outer wall of the lower tube plate, the top surface of the convex ring is abutted against the bottom surface of the second flange, and the bottom surface of the convex ring is abutted against the top surface of the third flange; the outer convex ring of the lower tube plate is clamped by the second flange on the shell and the third flange on the lower tube box and is locked by the second fastening bolt, so that the lower tube plate is connected with the shell in a detachable mode.
As a preferred scheme of the present invention, the second fixing assembly further includes two second sealing washers, and the two second sealing washers are respectively located between the protruding ring and the second flange and between the protruding ring and the third flange; the second sealing washer is arranged at the position where the convex ring is abutted against the second flange and the third flange, so that the sealing performance of the lower tube plate installation can be ensured, and the medium inside the shell is prevented from leaking.
As the utility model discloses preferred scheme, the casing outer wall is equipped with the support, the vertical installation tube-shape casing of being convenient for.
Advantageous effects
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model can realize the detachable connection of the upper tube plate and the shell by the matching of the first flange on the shell, the press ring and the annular step of the upper tube plate; the convex ring outside the lower tube plate is clamped by a second flange on the shell and a third flange on the lower tube box and is locked by a second fastening bolt, so that the lower tube plate is detachably connected with the shell; when the winding tube bundle is required to be cleaned, the upper tube box, the upper tube plate, the central tube, the winding tube bundle, the lower tube plate and the lower tube box can be integrally drawn out from the bottom of the shell, so that the winding tube bundle can be conveniently and comprehensively cleaned, and the cleaning cleanliness is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an internal structure of a coiled tube heat exchanger convenient to disassemble according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic view of a connection structure between the first fixing assembly and the upper tube plate according to an embodiment of the present invention;
FIG. 4 is a partial enlarged view of portion B of FIG. 1;
in the figure: 1. an upper channel box; 2. an upper tube sheet; 3. a housing; 4. a lower tube plate; 5. a lower pipe box; 6. a first media inlet; 7. a first medium outlet; 8. a second media inlet; 9. a second medium outlet; 10. a central barrel; 11. winding the tube bundle; 12. a first stationary component; 13. a second stationary component; 14. a first flange; 15. pressing a ring; 16. an annular step; 17. a first fastening bolt; 18. a first sealing gasket; 19. a second flange; 20. a third flange; 21. a convex ring; 22. a second fastening bolt; 23. a second sealing gasket; 24. and (4) a support.
Detailed Description
The technical solutions of the present invention will be described clearly and completely below with reference to embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1, the embodiment provides a conveniently-detachable wound tube heat exchanger, which includes an upper tube box 1, an upper tube plate 2, a shell 3, a lower tube plate 4 and a lower tube box 5, which are sequentially connected from top to bottom, wherein the top of the upper tube plate 2 is welded and fixed with the upper tube box 1, and the bottom of the lower tube plate 4 is welded and fixed with the lower tube box 5; the upper pipe box 1 is provided with a first medium inlet 6, and the lower pipe box 5 is provided with a first medium outlet 7; a second medium inlet 8 is formed in the side wall of the bottom end of the shell 3, and a second medium outlet 9 is formed in the side wall of the top end of the shell; a central tube 10 is fixedly connected between the upper tube plate 2 and the lower tube plate 4, a winding tube bundle 11 is arranged outside the central tube 10, two ends of the winding tube bundle 11 respectively penetrate through the upper tube plate 2 and the lower tube plate 4 and then are communicated with the upper tube box 1 and the lower tube box 5, and two ends of the winding tube bundle 11 are respectively welded and fixed with the upper tube plate 2 and the lower tube plate 4; the winding tube bundle 11 is mounted inside the shell 3; the upper tube plate 2 is detachably connected with the shell 3 through a first fixing assembly 12, and the lower tube plate 4 is detachably connected with the shell 3 through a second fixing assembly 13.
This embodiment will go up tube sheet 2 through first fixed subassembly 12 and can dismantle with casing 3 and be connected, will descend tube sheet 4 and can dismantle with casing 3 through the fixed subassembly 13 of second and be connected, when needs wash winding tube bundle 11, can pull down upper tube sheet 2, lower tube sheet 4 from casing 3 to the convenience is washd winding tube bundle 11 comprehensively, has improved abluent cleanliness factor.
As shown in fig. 2 and 3, as a preferable scheme of the present embodiment, the first fixing assembly 12 includes a first flange 14 and a pressing ring 15, the first flange 14 is fixedly installed on an outer wall of a top end of the casing 3, and an outer diameter of the upper tube box 1 is smaller than an inner diameter of the casing 3; an annular step 16 is arranged on the outer wall of the bottom end of the upper tube plate 2, and the outer wall of the annular step 16 is abutted against the inner wall of the first flange 14; the pressing ring 15 and the first flange 14 are detachably connected through a first fastening bolt 17, and the inner wall of the pressing ring 15 extends downwards to abut against the top surface of the annular step 16 (in this embodiment, the axial section of the pressing ring 15 is in a "T" shape, and the extension part of the pressing ring 15 is inserted between the inner wall of the first flange 14 and the outer wall of the upper tube plate 2); the detachable connection of the upper tube plate 2 and the shell 3 can be realized through the matching of the first flange 14 on the shell 3, the pressure ring 15 and the annular step 16 of the upper tube plate 2.
As a preferable scheme of the present embodiment, the first fixing assembly 12 further includes a first sealing gasket 18, the first sealing gasket 18 is sleeved outside the upper tube plate 2 and located on the step, and an inner wall of the pressing ring 15 extends downward to abut against a top surface of the first sealing gasket 18; through set up first sealing washer on the step of last tube sheet 2, can guarantee the leakproofness of going up the installation of tube sheet 2, avoid the inside medium of casing 3 to reveal.
As shown in fig. 4, as a preferable solution of this embodiment, the second fixing assembly 13 includes a second flange 19 and a third flange 20, the second flange 19 is fixedly installed on the outer wall of the bottom end of the housing 3, the third flange 20 is fixedly installed on the outer wall of the top end of the lower tube box 5, and the second flange 19 and the third flange 20 are detachably connected by a second fastening bolt 22; a convex ring 21 extends outwards from the middle part of the outer wall of the lower tube plate 4, the top surface of the convex ring 21 is abutted against the bottom surface of the second flange 19, and the bottom surface of the convex ring 21 is abutted against the top surface of the third flange 20; the lower tube plate 4 is detachably connected with the shell 3 by clamping a convex ring 21 outside the lower tube plate 4 through a second flange 19 on the shell 3 and a third flange 20 on the lower tube box 5 and locking the convex ring through a second fastening bolt 22.
As a preferable solution of this embodiment, the second fixing assembly 13 further includes two second sealing gaskets 23, and the two second sealing gaskets 23 are respectively located between the convex ring 21 and the second flange 19 and between the convex ring 21 and the third flange 20; the second sealing washer 23 is arranged at the abutting part of the convex ring 21 and the second flange 19 and the third flange 20, so that the installation tightness of the lower tube plate 4 can be ensured, and the medium inside the shell 3 is prevented from leaking.
In this embodiment, the first sealing washer 18 and the second sealing washer 23 are made of a high temperature resistant, wear resistant, and corrosion resistant rubber material.
As a preferable solution of this embodiment, the outer wall of the housing 3 is provided with a support 24, which facilitates the vertical installation of the cylindrical housing 3.
When the heat exchanger of the embodiment is used, a first medium is injected through the first medium inlet 6, and enters the winding tube bundle 11 from the upper tube box 1 through the upper tube plates 2; a second medium is injected through a second medium inlet 8, the second medium is subjected to sufficient heat exchange with the first medium in the winding tube bundle 11 in the shell 3, then flows out of a second medium outlet 9, the first medium subjected to heat exchange enters the lower tube box 5 through the lower tube plate 4, and finally flows out of a first medium outlet 7, so that the heat exchange process is completed, the first medium and the second medium are subjected to countercurrent heat exchange in the heat exchange process, and the heat exchange efficiency is high.
When the winding tube bundle 11 needs to be cleaned, the first fastening bolt 17 connecting the first flange 14 and the compression ring 15 is firstly disassembled, and then the compression ring 15 is taken out; then, the second fastening bolts 22 connecting the second flange 19 and the third flange 20 are removed, and finally, the entire upper tube box 1, the upper tube plate 2, the center tube 10, the wound tube bundle 11, the lower tube plate 4, and the lower tube box 5 are pulled out from the bottom of the casing 3 and cleaned.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A coiled tube type heat exchanger convenient to disassemble is characterized by comprising an upper tube box (1), an upper tube plate (2), a shell (3), a lower tube plate (4) and a lower tube box (5) which are sequentially connected from top to bottom, wherein the top of the upper tube plate (2) is fixedly welded with the upper tube box (1), and the bottom of the lower tube plate (4) is fixedly welded with the lower tube box (5); the upper pipe box (1) is provided with a first medium inlet (6), and the lower pipe box (5) is provided with a first medium outlet (7); a second medium inlet (8) is formed in the side wall of the bottom end of the shell (3), and a second medium outlet (9) is formed in the side wall of the top end of the shell; a central barrel (10) is fixedly connected between the upper tube plate (2) and the lower tube plate (4), a winding tube bundle (11) is arranged outside the central barrel (10), and two ends of the winding tube bundle (11) respectively penetrate through the upper tube plate (2) and the lower tube plate (4) and then are communicated with the upper tube box (1) and the lower tube box (5); the winding tube bundle (11) is arranged inside the shell (3); the upper tube plate (2) is detachably connected with the shell (3) through a first fixing assembly (12), and the lower tube plate (4) is detachably connected with the shell (3) through a second fixing assembly (13).
2. A coiled heat exchanger convenient for disassembly as claimed in claim 1, wherein the first fixing assembly (12) comprises a first flange (14) and a pressing ring (15), the first flange (14) is fixedly installed on the outer wall of the top end of the shell (3), and the outer diameter of the upper tube box (1) is smaller than the inner diameter of the shell (3); an annular step (16) is arranged on the outer wall of the bottom end of the upper tube plate (2), and the outer wall of the annular step (16) is abutted to the inner wall of the first flange (14); clamping ring (15) can be dismantled through first fastening bolt (17) with first flange (14) and be connected, and the inner wall downwardly extending of clamping ring (15) and the top surface butt of annular step (16).
3. A coiled heat exchanger to facilitate disassembly according to claim 2, wherein the first fixing assembly (12) further comprises a first sealing gasket (18), the first sealing gasket (18) is sleeved on the outer part of the upper tube plate (2) and is positioned on the annular step (16), and the inner wall of the pressing ring (15) extends downwards to abut against the top surface of the first sealing gasket (18).
4. A coiled heat exchanger convenient for disassembly as recited in claim 1, wherein the second fixing assembly (13) comprises a second flange (19) and a third flange (20), the second flange (19) is fixedly installed on the outer wall of the bottom end of the shell (3), the third flange (20) is fixedly installed on the outer wall of the top end of the lower tube box (5), and the second flange (19) and the third flange (20) are detachably connected through a second fastening bolt (22); the middle part of the outer wall of the lower tube plate (4) extends outwards to form a convex ring (21), the top surface of the convex ring (21) is abutted to the bottom surface of the second flange (19), and the bottom surface of the convex ring (21) is abutted to the top surface of the third flange (20).
5. A coiled heat exchanger to facilitate disassembly according to claim 1, wherein the second fixing assembly (13) further comprises a second sealing gasket (23); and two second sealing gaskets (23) are arranged and are respectively positioned between the convex ring (21) and the second flange (19) and between the convex ring (21) and the third flange (20).
6. A readily demountable coil heat exchanger according to claim 1 wherein the outer wall of the housing (3) is provided with a seat (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222725152.0U CN218495888U (en) | 2022-10-17 | 2022-10-17 | Convenient winding tube heat exchanger who dismantles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222725152.0U CN218495888U (en) | 2022-10-17 | 2022-10-17 | Convenient winding tube heat exchanger who dismantles |
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| Publication Number | Publication Date |
|---|---|
| CN218495888U true CN218495888U (en) | 2023-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222725152.0U Active CN218495888U (en) | 2022-10-17 | 2022-10-17 | Convenient winding tube heat exchanger who dismantles |
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| CN (1) | CN218495888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116734633A (en) * | 2023-08-03 | 2023-09-12 | 河南心连心智能装备科技有限公司 | Double-flow mixed tube bundle combined type tube-winding heat exchanger |
-
2022
- 2022-10-17 CN CN202222725152.0U patent/CN218495888U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116734633A (en) * | 2023-08-03 | 2023-09-12 | 河南心连心智能装备科技有限公司 | Double-flow mixed tube bundle combined type tube-winding heat exchanger |
| CN116734633B (en) * | 2023-08-03 | 2023-10-20 | 河南心连心智能装备科技有限公司 | Double-flow mixed tube bundle combined type tube-winding heat exchanger |
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