CN114543562A - Core-pulling type welded plate shell type heat exchanger - Google Patents
Core-pulling type welded plate shell type heat exchanger Download PDFInfo
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- CN114543562A CN114543562A CN202210179888.4A CN202210179888A CN114543562A CN 114543562 A CN114543562 A CN 114543562A CN 202210179888 A CN202210179888 A CN 202210179888A CN 114543562 A CN114543562 A CN 114543562A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000003780 insertion Methods 0.000 claims abstract description 16
- 230000037431 insertion Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000012546 transfer Methods 0.000 claims description 25
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
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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
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
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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 a core-pulling type welded plate-shell heat exchanger, belongs to the technical field of heat exchangers, and is used for solving the technical problem that a heat exchange assembly is inconvenient to take out for cleaning or overhauling. The core-pulling type welded plate-shell heat exchanger comprises a cylinder, wherein one end of the cylinder is sealed, the other end of the cylinder penetrates through the cylinder to form an insertion hole, the insertion hole is detachably and fixedly connected with a sealing head, a heat exchange assembly is inserted in the cylinder, a water inlet is formed in the side wall of the cylinder, a water inlet pipe is fixedly connected to the water inlet, a first flange plate is arranged on the water inlet pipe, a second flange plate is arranged on an external pipeline, a sleeve is inserted in the water inlet pipe, and a plate is fixedly arranged at one end of the sleeve; the heat exchange assembly comprises a frame, a shell and a plurality of heat exchange plates arranged in the shell, wherein the shell is provided with an inlet for introducing a heat exchange medium, the shell is arranged in the frame, the frame is fixedly connected with a socket base, the socket base is provided with a channel, and the other end of the sleeve is inserted into the channel. The core-pulling type welded plate-shell heat exchanger is convenient to take out a heat exchange assembly for cleaning or overhauling, and is convenient to use.
Description
Technical Field
The invention belongs to the technical field of heat exchangers, and particularly relates to a core-pulling type welded plate-shell heat exchanger.
Background
The heat exchanger is energy-saving equipment for realizing heat transfer between materials between two or more than two fluids with different temperatures, so that heat is transferred from the fluid with higher temperature to the fluid with lower temperature, the temperature of the fluid reaches the index specified by the process, and the requirement of process conditions is met. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production and is widely applied.
The traditional heat exchanger is usually to install each part of heat exchanger core inside the barrel, uses a period of time at the heat exchanger after, and the heat exchanger is easy scale deposit or breaks down, and the heat exchanger is not convenient for take out smoothly and washs or overhauls this moment, and is inconvenient to use.
Disclosure of Invention
The invention provides a core-pulling type welded plate-shell heat exchanger, which is used for solving the technical problem that a heat exchanger is inconvenient to take out a heat exchange assembly for cleaning or overhauling.
The invention is realized by the following technical scheme: a core-spun welded plate and shell heat exchanger comprising:
the heat exchanger comprises a cylinder, one end of the cylinder is sealed, the other end of the cylinder penetrates through the cylinder to form an insertion hole, the insertion hole is detachably and fixedly connected with a sealing head used for plugging the insertion hole, a heat exchange assembly used for heat exchange is inserted in the cylinder, the side wall of the cylinder is provided with a water inlet, the water inlet is fixedly connected with a water inlet pipe, the water inlet pipe is provided with a first flange, an external pipeline is provided with a second flange, the first flange is used for being connected with the second flange, a sleeve is inserted in the water inlet pipe, one end of the sleeve is fixedly provided with a sheet bar, and when the first flange is connected with the second flange, the sheet bar is clamped between the first flange and the second flange;
the heat exchange assembly comprises a frame, a shell and a plurality of heat exchange plates arranged in the shell in parallel, a heat exchange flow channel for the circulation of a heat exchange medium is formed between every two adjacent heat exchange plates, an inlet for introducing the heat exchange medium is formed in the shell, the heat exchange flow channel is communicated with the inlet, the shell is installed in the frame, a socket base is fixedly connected to the frame, a channel is formed in the socket base, and the other end of the sleeve is inserted into the channel.
Furthermore, in order to better realize the invention, a convex ring coaxial with the channel is arranged on the inner wall of the channel, the other end of the sleeve is connected with the convex ring, and a rubber sealing ring is also arranged between the other end of the sleeve and the convex ring.
Furthermore, in order to better realize the invention, a first elliptical convex block and a second elliptical convex block are convexly arranged on one side plate surface of the heat exchange plate, the first elliptical convex block and the second elliptical convex block form a herringbone structure, and an included angle between the length direction of the first elliptical convex block and the length direction of the second elliptical convex block is 65 degrees.
Furthermore, in order to better realize the invention, a spherical convex block is also convexly arranged on one side plate surface of the heat exchange plate and is positioned inside the herringbone structure.
Furthermore, in order to better implement the present invention, a plurality of convex units are formed by one of the first elliptical convex blocks, one of the second elliptical convex blocks and the corresponding spherical convex block, and the plurality of convex units are distributed on the heat exchange plate in a matrix form.
Further, in order to better implement the present invention, the height of the spherical bump protrusion is 2 mm.
Further, in order to better implement the present invention, the first elliptical protrusion is disposed on the heat exchange plate through a drawing die, the drawing die angle is 110 °, and the length and the width of one end of the first elliptical protrusion departing from the heat exchange plate are 12mm and 4mm, respectively.
Further, in order to better implement the present invention, the second elliptical protrusion is disposed on the heat exchange plate through a drawing die, the drawing die angle is 110 °, and the length and the width of one end of the second elliptical protrusion departing from the heat exchange plate are 11mm and 4mm, respectively.
Furthermore, in order to better realize the invention, four heat exchange plates are arranged in the shell, and three heat exchange flow channels are formed among the four heat exchange plates.
Further, in order to better implement the present invention, the cross-sectional areas of the three flow paths are different.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a core-pulling type welded plate-shell heat exchanger, which comprises a cylinder body and a heat exchange assembly, wherein one end of the cylinder body is sealed, the other end of the cylinder body penetrates through the cylinder body to form an insertion hole, the insertion hole is detachably and fixedly connected with a sealing head, the sealing head is sealed at the insertion hole, the side wall of the cylinder body is provided with a water inlet, a water inlet pipe is fixedly connected in the water inlet, the water inlet pipe is provided with a first flange, an external pipeline is provided with a second flange, the first flange is connected with the second flange to communicate the water inlet pipe with the external pipeline, a sleeve is inserted in the water inlet pipe, one end of the sleeve is fixedly provided with a plate, when the first flange is connected with the second flange, the plate is clamped between the first flange and the second flange, the heat exchange assembly for heat exchange is inserted in the cylinder body, the heat exchange assembly comprises a frame, a shell and a plurality of heat exchange plates, the plurality of heat exchange plates are arranged in parallel in the shell, a heat exchange flow passage for the circulation of heat exchange medium is formed between the adjacent heat exchange plates, the shell is provided with an inlet for introducing a heat exchange medium, the heat exchange flow channel is communicated with the inlet, the shell is arranged inside the frame, the frame is fixedly connected with a socket base, the socket base is provided with a channel, and the other end of the sleeve is inserted into the channel.
Through the structure, when the heat exchanger is used, the heat exchange medium flows into the shell through the inlet, the heat exchange water is put into the cylinder through the water inlet, and the heat exchange medium flows out after heat exchange is carried out on the heat exchange medium in the heat exchange flow channel through the heat exchange plate, so that heat exchange is completed; the first flange plate and the second flange plate are loosened when the heat exchanger needs to be taken out for cleaning or maintenance, then the external pipeline is removed, and then the sleeve pipe is taken out upwards, so that no connecting part exists between the cylinder body and the heat exchange assembly, and the end socket is opened, so that the heat exchange assembly can be drawn out from the insertion hole.
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 the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a core-pulling type welded plate-shell heat exchanger provided by the present invention;
FIG. 2 is a cross-sectional view of a core-pulling welded plate and shell heat exchanger provided by the present invention;
FIG. 3 is a schematic view of a connection structure of a pipe sleeve and a socket base according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a heat exchanger plate in an embodiment of the invention;
fig. 5 is a partially enlarged view of the area a in fig. 4.
In the figure:
1-a cylinder body; 2-sealing the end; 3-water inlet pipe; 4-a sleeve; 5-a plate sheet; 6-a heat exchange assembly; 61-a frame; 62-a housing; 63-heat exchange plates; 7-socket base; 8-rubber sealing ring; 9-a first elliptical bump; 10-a second elliptical bump; 11-spherical bumps.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example 1:
the invention provides a core-pulling type welded plate-shell heat exchanger, which is used for solving the technical problem that a heat exchanger is inconvenient to take out a heat exchange assembly 6 for cleaning or overhauling. This core-pulling formula welding plate shell type heat exchanger includes barrel 1, head 2 and heat transfer core, wherein:
the cylinder body 1 is in a cylindrical structure, the cylindrical cylinder body 1 increases the capacity of fluid in the cylinder body 1, the heat exchange effect is better, one end of the cylinder body 1 is sealed, the other end of the cylinder body 1 penetrates through to form an insertion hole, the axial direction of the cylinder body 1 is horizontal, the insertion hole is detachably and fixedly connected with an end socket 2, the end socket 2 is plugged at the insertion hole, a water inlet is formed in the side wall of the cylinder body 1, a water inlet pipe 3 is fixedly connected in the water inlet, the water inlet pipe 3 is provided with a first flange, a second flange is arranged on an external pipeline, the first flange is connected with the second flange to communicate the water inlet pipe 3 with the external pipeline, water in the external pipeline (water needing heat exchange) flows into the cylinder body 1 through the water inlet pipe 3, a sleeve 4 is inserted in the water inlet pipe 3, a sheet 5 is fixedly arranged at one end of the sleeve 4, when the first flange is connected with the second flange, the sheet 5 is clamped between the first flange and the second flange, like this, make the leakproofness of junction better, more excellent through slab 5 between inlet tube 3 and the external pipeline, set up the saddle of being convenient for place barrel 1 in the bottom of barrel 1, the saddle is fixed barrel 1, makes the more stable that this heat exchanger placed.
The heat exchange assembly 6 is inserted into the cylinder 1 through the insertion hole, the heat exchange assembly 6 is used for completing heat exchange, specifically, the heat exchange assembly 6 comprises a frame body, a shell 62 and a plurality of heat exchange plates 63, the heat exchange plates 63 are arranged in the shell 62 in parallel, the heat exchange plates 63 are connected together by welding, the temperature resistance and pressure resistance of the heat exchange plates 63 are improved by welding, so that the service life of the heat exchanger is longer, the heat exchange plates 63 are stainless steel plates which have good heat exchange performance, the stainless steel plates can be S30408 or S31603, the heat exchange plates 63 are arranged in the shell 62 in parallel, heat exchange channels are formed between the adjacent heat exchange plates 63, heat exchange media can flow in the heat exchange channels, the shell 62 is provided with an inlet, the inlet is used for introducing the heat exchange media into the heat exchange assembly 6, and the heat exchange channels are communicated with the inlet, heat exchange medium enters a heat exchange flow channel from an inlet and exchanges heat through a heat exchange plate 63, a shell 62 is installed inside a frame 61, a socket base 7 is fixedly connected to the frame 61, the socket base 7 is provided with a channel, and the other end of the sleeve 4 is inserted into the channel, so that the heat exchange assembly 6 is fixed in the barrel 1 due to the blocking of the sleeve 4, when the heat exchange assembly 6 is taken out, the sleeve 4 needs to be taken out upwards, no connection part exists between the barrel 1 and the heat exchange assembly 6, then the heat exchange assembly 6 is taken out from the barrel 1, and water flowing into the water inlet pipe 3 enters the barrel 1 from the channel.
Through the structure, when the heat exchanger is used, a heat exchange medium flows into the shell 62 through the inlet, heat exchange water is put into the barrel 1 through the water inlet, and the heat exchange medium flows out after heat exchange is carried out on the heat exchange medium through the heat exchange plate 63 in the heat exchange flow channel, so that heat exchange is completed; need take out at the heat exchanger and wash or overhaul, loosen first ring flange and second ring flange, then remove external pipeline the back, then upwards take out sleeve pipe 4, like this, just do not have any junction between barrel 1 and the heat exchange assembly 6, open above-mentioned head 2 again, can take heat exchange assembly 6 out from above-mentioned inserted hole, consequently, the 6 dismouting of heat exchange assembly in the core-pulling formula welding lamella heat exchanger that this embodiment provided are more convenient, and the practicality is stronger.
An alternative implementation of this embodiment is as follows: be equipped with a bulge loop coaxial with above-mentioned passageway on the inner wall of above-mentioned passageway, the other end and the bulge loop of above-mentioned sleeve pipe 4 meet, and still be provided with rubber seal 8 between the other end of above-mentioned sleeve pipe 4 and the bulge loop, sleeve pipe 4 supports tightly in rubber seal 8, and like this, sleeve pipe 4 and the inseparable contact of rubber packing pad, make the water in sleeve pipe 4 can not leak outside sleeve pipe 4 from the junction, rubber packing pad makes sleeve pipe 4 and socket base 7 be connected more stably, make heat exchange assemblies 6 fix in barrel 1 steadily, and simultaneously, rubber packing pad has reduced the vibrations between sleeve pipe 4 and the passageway inner wall, better protective case 4 and passageway.
An alternative implementation of this embodiment is as follows: the protruding first oval lug 9 and the oval lug 10 of second that is equipped with on a curb plate face of above-mentioned heat transfer board 63, a first oval lug 9 and the oval lug 10 of second constitute "people" style of calligraphy structure, and the contained angle between the length direction of first oval lug 9 and the length direction of the oval lug 10 of second is 65, and like this, when heat transfer medium flows in the heat transfer runner, can make heat transfer medium form turbulent state under very low velocity of flow, make the area of contact between heat transfer medium and the slab 5 bigger, the heat transfer time is longer, improve comprehensive heat transfer coefficient, make the heat transfer effect of heat exchanger better.
Specifically, the first elliptical protrusion is disposed on the heat exchange plate 63 through a drawing die, the drawing die angle is 110 °, and the length and the width of one end of the first elliptical protrusion, which is away from the heat exchange plate 63, are 12mm and 4mm, respectively;
the second elliptical protrusion is disposed on the heat exchange plate 63 through a drawing die, the drawing die angle is 110 °, and the length and the width of one end of the second elliptical protrusion departing from the heat exchange plate 63 are 11mm and 4mm, respectively.
An alternative implementation of this embodiment is as follows: still protruding spherical convex block 11 that is equipped with on one side face of heat transfer board 63, spherical convex block 11 is located inside above-mentioned "people" style of calligraphy structure, and specifically, the bellied height of spherical convex block 11 is 2mm, and the spherical is protruding mainly to play the effect that increases structural strength for heat transfer board 63's temperature resistance, pressure resistance are better, and the life of extension heat transfer board 63 piece 5, and simultaneously, spherical convex block 11 further improves the heat transfer coefficient of above-mentioned first oval convex block 9 and above-mentioned second oval convex block 10, improves heat transfer performance.
An alternative implementation of this embodiment is as follows: protruding unit is constituteed with the oval lug of above-mentioned second 10 and the above-mentioned sphere lug 11 that corresponds to one above-mentioned first oval lug 9, is equipped with above-mentioned a plurality of protruding unit on the above-mentioned heat transfer board 63 to a plurality of protruding unit is the matrix and distributes on above-mentioned heat transfer board 63, and like this, when heat transfer medium flows the heat transfer in the heat transfer runner, a plurality of protruding units and heat transfer medium contact have improved heat transfer plate 63's heat exchange speed, have improved the efficiency of heat transfer, and the result of use is better.
An alternative implementation of this embodiment is as follows: four heat exchange plates 63 are arranged in the housing 62, three heat exchange flow channels are formed among the four heat exchange plates 63, specifically, the sectional areas of the three flow channels are different, and the flow of the three flow channels can be 1 according to different matching of flow velocity: n is proportioned to achieve the best heat exchange efficiency.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A core-pulling type welded plate-shell heat exchanger is characterized by comprising:
the heat exchanger comprises a cylinder, one end of the cylinder is sealed, the other end of the cylinder penetrates through the cylinder to form an insertion hole, the insertion hole is detachably and fixedly connected with a sealing head used for plugging the insertion hole, a heat exchange assembly used for heat exchange is inserted in the cylinder, the side wall of the cylinder is provided with a water inlet, the water inlet is fixedly connected with a water inlet pipe, the water inlet pipe is provided with a first flange, an external pipeline is provided with a second flange, the first flange is used for being connected with the second flange, a sleeve is inserted in the water inlet pipe, one end of the sleeve is fixedly provided with a sheet bar, and when the first flange is connected with the second flange, the sheet bar is clamped between the first flange and the second flange;
the heat exchange assembly comprises a frame, a shell and a plurality of heat exchange plates arranged in the shell in parallel, a heat exchange flow channel for the circulation of a heat exchange medium is formed between every two adjacent heat exchange plates, an inlet for introducing the heat exchange medium is formed in the shell, the heat exchange flow channel is communicated with the inlet, the shell is installed in the frame, a socket base is fixedly connected to the frame, a channel is formed in the socket base, and the other end of the sleeve is inserted into the channel.
2. The core-pulling welded plate and shell heat exchanger of claim 1, wherein: the inner wall of the channel is provided with a convex ring which is coaxial with the channel, the other end of the sleeve is connected with the convex ring, and a rubber sealing ring is arranged between the other end of the sleeve and the convex ring.
3. A core-spun welded plate and shell heat exchanger according to claim 1 or 2, wherein: the heat exchange plate is characterized in that a first oval convex block and a second oval convex block are arranged on one side plate surface of the heat exchange plate in a protruding mode, the first oval convex block and the second oval convex block form a structure shaped like a Chinese character 'ren', and an included angle formed between the length direction of the first oval convex block and the length direction of the second oval convex block is 65 degrees.
4. A core-spun welded plate and shell heat exchanger according to claim 3, wherein: a spherical convex block is further convexly arranged on the surface of one side of the heat exchange plate and is positioned inside the herringbone structure.
5. The core-pulling welded plate and shell heat exchanger of claim 4, wherein: one first oval lug with one second oval lug and corresponding protruding unit is constituteed to the sphere lug, on the heat transfer board the quantity of protruding unit is a plurality of, and a plurality of protruding unit is in be the matrix and distribute on the heat transfer board.
6. The core-pulling welded plate and shell heat exchanger of claim 5, wherein: the height of the spherical convex block is 2 mm.
7. A core-spun welded plate and shell heat exchanger according to claim 3, wherein: the first elliptical bulge is arranged on the heat exchange plate through a drawing die, the drawing die angle is 110 degrees, and the length and the width of one end of the first elliptical bulge, which deviates from the heat exchange plate, are 12mm and 4mm respectively.
8. A core-spun welded plate and shell heat exchanger according to claim 7, wherein: the second elliptical bulge is arranged on the heat exchange plate through a drawing die, the drawing die angle is 110 degrees, and the length and the width of one end of the second elliptical bulge, which deviates from the heat exchange plate, are respectively 11mm and 4 mm.
9. A core-spun welded plate and shell heat exchanger according to claim 1, wherein: four heat exchange plates are arranged in the shell, and three heat exchange flow channels are formed among the four heat exchange plates.
10. A core-spun welded plate and shell heat exchanger according to claim 9, wherein: the cross-sectional areas of the three flow passages are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210179888.4A CN114543562A (en) | 2022-02-25 | 2022-02-25 | Core-pulling type welded plate shell type heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210179888.4A CN114543562A (en) | 2022-02-25 | 2022-02-25 | Core-pulling type welded plate shell type heat exchanger |
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| CN114543562A true CN114543562A (en) | 2022-05-27 |
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|---|---|---|---|
| CN202210179888.4A Pending CN114543562A (en) | 2022-02-25 | 2022-02-25 | Core-pulling type welded plate shell type heat exchanger |
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| CN211012582U (en) * | 2019-09-24 | 2020-07-14 | 南京天水机械设备有限公司 | Novel heat exchanger for purified water |
| CN211782925U (en) * | 2019-12-28 | 2020-10-27 | 东莞埃欧热能技术有限公司 | Multi-flow detachable plate-shell heat exchanger |
| CN111765787A (en) * | 2020-07-14 | 2020-10-13 | 北京市京海换热设备制造有限责任公司 | Heat transfer structure and heat exchanger |
| CN113137880A (en) * | 2021-04-22 | 2021-07-20 | 上海蓝滨石化设备有限责任公司 | Welded plate type heat exchanger |
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