CN116576695A - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- CN116576695A CN116576695A CN202310516765.XA CN202310516765A CN116576695A CN 116576695 A CN116576695 A CN 116576695A CN 202310516765 A CN202310516765 A CN 202310516765A CN 116576695 A CN116576695 A CN 116576695A
- Authority
- CN
- China
- Prior art keywords
- outer cylinder
- heat exchange
- tube
- baffle plates
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011295 pitch Substances 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 47
- 238000007789 sealing Methods 0.000 claims description 14
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 28
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
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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
- F28F9/02—Header boxes; End plates
-
- 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
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention relates to the technical field of heat transfer, and discloses a heat exchanger, which comprises: the invention provides a heat exchanger, which is characterized in that a central cylinder is fixed in the outer cylinder, a central axis of the central cylinder coincides with the central axis of the outer cylinder, a plurality of baffle plates are uniformly distributed in each radial direction in the circumferential direction of the central cylinder, the baffle plates are arranged along the axis of the central cylinder, the baffle plates in each radial direction jointly form a spiral towards the tail end of the central cylinder, the heat exchange tube bundles are sleeved on the periphery of the baffle plates, the heat exchange tube bundles and the baffle plates are distributed in a staggered manner, and the spiral directions and the screw pitches of the plurality of baffle plates are the same.
Description
Technical Field
The invention relates to the technical field of heat transfer, in particular to a heat exchanger.
Background
Energy conservation and emission reduction have become important development points in various industries, particularly petrochemical industry. The heat exchanger occupies a non-negligible position in petrochemical equipment, and the data show that the investment of the heat exchanger is about 1/3 of the total investment, so that the energy utilization rate of the heat exchanger is improved, and the energy conservation and emission reduction are realized, thereby having important effects on improving the economic benefit of petrochemical industry. The temperature and pressure fluctuation of the heat exchanger used in the petrochemical industry is large, and the corrosion of the medium is strong, so the shell-and-tube heat exchanger still serves as main heat exchange equipment at present, and the data show that the use amount of the shell-and-tube heat exchanger accounts for about 54% of the total use amount of the heat exchanger. With the development of science and technology, the heat exchanger is used as special equipment for medium heat exchange, and is widely applied to industries such as petroleum, chemical industry, pharmacy, nuclear power and the like.
Chinese patent CN106288909a discloses a plane reverse-folded elastic reinforced heat exchange tube bundle and heat exchanger, which has a first heat exchange tube and a second heat exchange tube with a direction different from that of the first heat exchange tube, and uses the two heat exchange tubes to form the reverse-folded heat exchange tube bundle, and fixes the inlet end and outlet end of the heat exchange tube bundle, and the other parts are in a floating state, so as to form a proper transverse vibration frequency and amplitude to strengthen heat transfer.
However, due to the limitation of the internal structure, the elastic tube bundle heat exchange device cannot realize the flow guiding of the shell-side fluid, so that the shell-side fluid cannot fully absorb heat, and the heat transfer enhancement effect is not obvious.
Disclosure of Invention
The invention provides a heat exchanger, which utilizes a spiral structure of a baffle plate to realize the flow guide of a process fluid in an inner shell of the heat exchanger, so that the contact time between the heat exchange fluid and the heat exchange tube is prolonged, and the heat exchange efficiency is improved.
The invention provides a heat exchanger, comprising:
the heat exchange tube comprises an outer cylinder body, a first end cover and a second end cover, wherein the first end cover and the second end cover are correspondingly sealed at two ports of the outer cylinder body;
the central cylinder is fixed in the outer cylinder body, and the central axis of the central cylinder coincides with the central axis of the outer cylinder body;
the heat exchange tube bundle is sleeved on the periphery of the baffle plates, the heat exchange tube bundles and the baffle plates are distributed in a staggered mode, and the spiral formed by the baffle plates and the spiral direction and the screw pitch of the heat exchange tube bundle are the same.
Optionally, the plurality of baffles are arranged at intervals along the axis of the central cylinder or the plurality of baffles are connected into a whole along the axis of the central cylinder.
Optionally, the heat exchange tube bundle comprises:
the inner winding pipes are spirally arranged in the outer cylinder body along the axial direction of the outer cylinder body from the head end to the tail end, two end parts of the inner winding pipes are respectively fixed on the corresponding first end cover or second end cover in a circumferential array, and the inner winding pipes are positioned at the periphery of the baffle plate;
the outer winding pipes are spirally arranged in the outer cylinder body along the axial direction of the outer cylinder body from the head end to the tail end, two end parts of the outer winding pipes are respectively fixed on the corresponding first end cover or second end cover in a circumferential array, the outer winding pipes are sleeved on the periphery of the inner winding pipes, the outer winding pipes are not contacted with the inner winding pipes, the inner winding pipes and the outer winding pipes form a heat exchange pipe bundle, the heat exchange pipe bundles are distributed in a staggered mode with the baffle plates, and the spiral directions and the spiral pitches of the spiral formed by the baffle plates are identical to those of the heat exchange pipe bundles.
Alternatively, the inner wrap tube and the outer wrap tube are made of an elastomeric material.
Optionally, the method further comprises:
the first end socket is fixedly connected to one side of the first end cover, which is far away from the outer cylinder body;
the second end socket is fixedly connected to one side of the second end cover, which is far away from the outer cylinder body;
the shell side outlet pipe is vertically connected to one end of the outer cylinder body close to the second seal head, and is positioned above the straight pipe of the heat exchange pipe bundle;
the shell side inlet pipe is vertically connected to one end, close to the first end socket, of the outer cylinder body, and is positioned below the straight pipe of the heat exchange tube bundle;
the tube side inlet tube is connected to one side of the second sealing head far away from the outer cylinder along the axial direction of the outer cylinder;
the tube side outlet pipe is connected to one side, far away from the outer cylinder, of the first sealing head along the axial direction of the outer cylinder, and the tube side inlet pipe and the tube side outlet pipe are respectively communicated with the outer cylinder.
Optionally, gaskets are respectively connected between the first end cover and the first end cover, between the second end cover and the second end cover, between the first end cover and the outer cylinder body, and between the second end cover and the outer cylinder body.
Optionally, the method further comprises:
the two cylinder flanges are correspondingly sealed at the openings of the shell side outlet pipe or the shell side inlet pipe one by one;
the two end socket flanges are correspondingly sealed at the openings of the shell side inlet pipe or the tube side outlet pipe one by one.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the central cylinder is arranged in the outer cylinder, and the plurality of baffle plates are connected with the periphery of the central cylinder, so that the plurality of baffle plates form a spiral structure, the spiral structure is utilized to realize the flow guide of the shell side fluid, the contact time between the heat exchange fluid and the heat exchange fluid is prolonged, and the shell side fluid fully absorbs heat, so that the heat transfer effect is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a heat exchanger according to an embodiment of the present invention;
FIG. 2 is a schematic view of a first construction of a baffle plate according to an embodiment of the present invention;
FIG. 3 is a schematic view of a second construction of a baffle plate according to an embodiment of the present invention;
FIG. 4 is a schematic view of a structure of a wrapped bundle according to an embodiment of the present invention;
fig. 5 is a left side view of a wrapped bundle provided by an embodiment of the present invention.
Reference numerals illustrate:
the heat exchanger comprises a left end socket 1, a center cylinder 2, a left end cover 3, a baffle plate 4, an outer winding pipe 5, an inner winding pipe 6, a shell side outlet pipe 7, a cylinder flange 8, a right end cover 9, a seal head flange 10, a tube side inlet pipe 11, a right end socket 12, a heat exchange tube bundle 13, a cylinder outside 14, a shell side inlet pipe 15, a tube side outlet pipe 16 and a gasket 17.
Detailed Description
One embodiment of the present invention will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the technical solutions of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Energy conservation and emission reduction have become important development points in various industries, particularly petrochemical industry. The heat exchanger occupies a non-negligible position in petrochemical equipment, and the data show that the investment of the heat exchanger is about 1/3 of the total investment, so that the energy utilization rate of the heat exchanger is improved, and the energy conservation and emission reduction are realized, thereby having important effects on improving the economic benefit of petrochemical industry. The temperature and pressure fluctuation of the heat exchanger used in the petrochemical industry is large, and the corrosion of the medium is strong, so the shell-and-tube heat exchanger still serves as main heat exchange equipment at present, and the data show that the use amount of the shell-and-tube heat exchanger accounts for about 54% of the total use amount of the heat exchanger. With the development of science and technology, the heat exchanger is used as special equipment for medium heat exchange, and is widely applied to industries such as petroleum, chemical industry, pharmacy, nuclear power and the like.
Chinese patent CN106288909a discloses a plane reverse-folded elastic reinforced heat exchange tube bundle and heat exchanger, which has a first heat exchange tube and a second heat exchange tube with a direction different from that of the first heat exchange tube, and uses the two heat exchange tubes to form the reverse-folded heat exchange tube bundle, and fixes the inlet end and outlet end of the heat exchange tube bundle, and the other parts are in a floating state, so as to form a proper transverse vibration frequency and amplitude to strengthen heat transfer.
However, due to the limitation of the internal structure, the elastic tube bundle heat exchange device cannot realize the flow guiding of the shell-side fluid, so that the shell-side fluid cannot fully absorb heat, and the heat transfer enhancement effect is not obvious.
In order to solve the above-mentioned technical problems, the embodiment of the present invention provides a heat exchanger, which uses a spiral structure of a baffle plate to achieve the flow guiding of a process fluid in an inner shell of the heat exchanger, so that the contact time between the heat exchange fluid and the heat exchange tube is prolonged, and the heat exchange efficiency is improved.
As shown in fig. 1 to 3, a heat exchanger provided in an embodiment of the present invention includes: the heat exchange tube comprises an outer cylinder 14 and a first end cover 3 and a second end cover 9 which are correspondingly sealed at two ports of the outer cylinder 14, wherein a heat exchange tube bundle 13 is connected in the outer cylinder 14, two ends of the heat exchange tube bundle 13 are fixedly connected with the first end cover 3 or the second end cover 9 in one-to-one correspondence, a central cylinder 2 is fixed in the outer cylinder 14, the central axis of the central cylinder 2 coincides with the central axis of the outer cylinder 14, a plurality of baffle plates 4 are uniformly distributed in each radial direction of the circumferential direction of the central cylinder 2, the baffle plates 4 are arranged along the axial line of the central cylinder 2, the baffle plates 4 in each radial direction jointly form a spiral shape towards the tail end of the central cylinder 2, the heat exchange tube bundle 13 is sleeved on the periphery of the baffle plates 4, the heat exchange tube bundle 13 and the baffle plates 4 are distributed in a staggered manner, and the spiral directions formed by the baffle plates 4 are identical to the spiral directions and the screw pitches of the heat exchange tube bundle 13.
According to the invention, the central cylinder is arranged in the outer cylinder, and the plurality of baffle plates are connected with the periphery of the central cylinder, so that the plurality of baffle plates form a spiral structure, the spiral structure is utilized to realize the flow guide of the shell side fluid, the contact time between the heat exchange fluid and the heat exchange fluid is prolonged, and the shell side fluid fully absorbs heat, so that the heat transfer effect is further improved.
Referring to fig. 2 and 3, a plurality of baffles 4 are arranged at intervals along the axis of the central cylinder 2 or the baffles 4 are connected into a whole along the axis of the central cylinder 2, and the baffles form a discontinuous spiral structure or a continuous spiral structure to realize spiral flow outside the pipe.
Referring to fig. 4-5, in this embodiment, the heat exchange tube bundle 13 includes: the inner winding pipes 6 and the outer winding pipes 5 are spirally arranged in the outer cylinder 14 along the axial direction of the outer cylinder 14 from the head end to the tail end, two ends of the inner winding pipes 6 are respectively fixed on the corresponding first end cover 3 or second end cover 9 in a circumferential array, the inner winding pipes 6 are positioned on the periphery of the baffle plate 4, the outer winding pipes 5 are spirally arranged in the outer cylinder 14 along the axial direction of the outer cylinder 14 from the head end to the tail end, two ends of the outer winding pipes 5 are respectively fixed on the corresponding first end cover 3 or second end cover 9 in a circumferential array, the outer winding pipes 5 are sleeved on the periphery of the inner winding pipes 6, the outer winding pipes 5 are not contacted with the inner winding pipes 6, the inner winding pipes 6 and the outer winding pipes 5 form a heat exchange pipe bundle 13, the heat exchange pipe bundle 13 and the baffle plate 4 are distributed in a staggered manner, and the spiral direction formed by the baffle plate 4 is identical to the spiral direction of the heat exchange pipe bundle 13.
In the embodiment, the heating tube bundle is divided into the inner winding tube and the outer winding tube, so that the heat exchange area can be remarkably increased in unit volume, the heat exchange tube bundle adopts a spiral winding structure, the fluid medium in the tube induces the heat exchange tube bundle to vibrate, the turbulent flow characteristic of the fluid medium at the inner/outer near wall of the tube is enhanced, the enhanced heat transfer is realized, and meanwhile, the secondary flow generated by the fluid medium in the tube can further realize the enhanced heat transfer.
Optionally, the inner winding tube 6 and the outer winding tube 5 are made of elastic materials, so that the inner winding tube 6 and the outer winding tube 5 can vibrate fully, the heat exchange efficiency is further improved, and when the working temperature is low, the inner winding tube 6 and the outer winding tube 5 can be made of PE elastic tubes or carbon steel tubes or low alloy steel tubes.
Referring again to fig. 1, a heat exchanger provided in an embodiment of the present invention further includes: the heat exchange tube comprises a first sealing head 1, a second sealing head 12, a shell side outlet pipe 7, a shell side inlet pipe 15, a tube side inlet pipe 11 and a tube side outlet pipe 16, wherein the first sealing head 1 is fixedly connected to one side of a first end cover 3, which is far away from an outer cylinder 14, the second sealing head 12 is fixedly connected to one side of a second end cover 9, which is far away from the outer cylinder 14, the shell side outlet pipe 7 is vertically connected to one end of the outer cylinder 14, which is close to the second sealing head 12, the shell side outlet pipe 7 is positioned above a straight pipe of a heat exchange tube bundle 13, the shell side inlet pipe 15 is vertically connected to one end of the outer cylinder 14, which is close to the first sealing head 1, the shell side inlet pipe 15 is positioned below the straight pipe of the heat exchange tube bundle 13, the shell side outlet pipe 7 and the shell side inlet pipe 15 are respectively communicated with the outer cylinder 14, the tube side inlet pipe 11 is axially connected to one side of the second sealing head 12, which is far away from the outer cylinder 14, the tube side outlet pipe 16 is axially connected to one side of the first sealing head 1, which is far away from the outer cylinder 14, which is respectively communicated with the outer cylinder 14.
The heat exchanger provided by the embodiment of the invention adopts a transverse installation mode, and hot fluid flows in a tube side inlet pipe, a heat exchange tube bundle and a tube side outlet pipe, and the path is called tube side; the cold fluid flows in the gaps among the shell side inlet pipe, the heat exchange tube bundle, the shell side outlet pipe and the outer cylinder body, the path is called shell side, the tube side heat medium flows in from the tube side inlet pipe, and the tube side outlet pipe flows out; the shell-side cooling medium flows in from the bottom shell-side inlet pipe, so that the cooling medium can be filled in the shell, and then flows out from the top shell-side outlet pipe, so that the cross flow between the shell-side medium and the tube-side medium is realized, and better heat exchange effect is achieved.
Optionally, gaskets 2 are respectively connected between the first seal head 1 and the first end cover 3, between the second seal head 12 and the second end cover 9, between the first end cover 3 and the outer cylinder 14, and between the second end cover 9 and the outer cylinder 14.
Optionally, the method further comprises: the shell side inlet pipe and shell side outlet pipe comprises a shell side flange 8 and a seal head flange 10, wherein the two shell side flanges 8 are correspondingly sealed at the opening of the shell side outlet pipe 7 or the shell side inlet pipe 15, and the two seal head flanges 10 are correspondingly sealed at the opening of the shell side inlet pipe 15 or the tube side outlet pipe 16.
The heat exchanger provided by the embodiment of the invention adopts a transverse installation mode, and hot fluid flows in a tube side inlet pipe, a heat exchange tube bundle and a tube side outlet pipe, and the path is called tube side; the cold fluid flows in the gaps among the shell side inlet pipe, the heat exchange tube bundle, the shell side outlet pipe and the outer cylinder body, the path is called shell side, the tube side heat medium flows in from the tube side inlet pipe, and the tube side outlet pipe flows out; the shell-side cooling medium flows in from the bottom shell-side inlet pipe, so that the cooling medium can be filled in the shell, and then flows out from the top shell-side outlet pipe, so that the cross flow between the shell-side medium and the tube-side medium is realized, and better heat exchange effect is achieved. The heat exchange tube bundle in the heat exchanger is made of elastic materials, and shell side and tube side fluid media induce the tube bundle to vibrate, so that the turbulent flow characteristic of the fluid media at the inner/outer near wall of the tube is enhanced, the enhanced heat transfer is realized, the tube bundle adopts a spiral winding structure, and secondary flow is generated when the fluid media in the tube flows, so that the enhanced heat transfer can be further realized; by utilizing the spiral baffle plate structure, the flow guide of the shell-side fluid is realized, so that the shell-side fluid fully absorbs heat, the heat transfer effect is further improved, and the heat exchanger adopts a transverse installation mode, so that the pressure drop of the outlet/inlet of each tube tends to be consistent, and the uniform and consistent vibration effect of each tube is facilitated.
The foregoing disclosure is merely illustrative of some embodiments of the invention, but the embodiments are not limited thereto and variations within the scope of the invention will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a heat exchanger, includes outer barrel (14) and corresponding first end cover (3) and second end cover (9) that seal in two ports departments of outer barrel (14), outer barrel (14) interconnect has heat exchange tube bundle (13), the both ends of heat exchange tube bundle (13) one-to-one with first end cover (3) or second end cover (9) link firmly, its characterized in that still includes:
the central cylinder (2) is fixed in the outer cylinder body (14), and the central axis of the central cylinder (2) coincides with the central axis of the outer cylinder body (14);
the heat exchange tube comprises a plurality of baffle plates (4), wherein the baffle plates (4) are uniformly distributed on each radial direction of the circumference direction of the central tube (2), the baffle plates (4) are arranged along the axis of the central tube (2), the baffle plates (4) on each radial direction jointly form a spiral shape towards the tail end of the central tube (2), the periphery of the baffle plates (4) is sleeved with a heat exchange tube bundle (13), the heat exchange tube bundles (13) and the baffle plates (4) are distributed in a staggered mode, and the spiral formed by the baffle plates (4) is identical to the spiral direction and the spiral pitch of the heat exchange tube bundle (13).
2. A heat exchanger according to claim 1, wherein a plurality of said baffles (4) are spaced along the axis of said central cylinder (2) or wherein a plurality of said baffles (4) are integrally connected along the axis of said central cylinder (2).
3. Heat exchanger according to claim 1 or 2, wherein the heat exchange tube bundle (13) comprises:
the inner winding pipes (6) are spirally arranged in the outer cylinder body (14) along the axial direction of the outer cylinder body (14) from the head end to the tail end, two end parts of the inner winding pipes (6) are respectively fixed on the corresponding first end cover (3) or second end cover (9) in a circumferential array, and the inner winding pipes (6) are positioned on the periphery of the baffle plate (4);
the outer winding pipes (5) are spirally arranged in the outer cylinder body (14) from the head end to the tail end, two ends of the outer winding pipes (5) are respectively fixed on the corresponding first end cover (3) or second end cover (9) in a circumferential array, the outer winding pipes (5) are sleeved on the peripheries of the inner winding pipes (6), the outer winding pipes (5) are not contacted with the inner winding pipes (6), the inner winding pipes (6) and the outer winding pipes (5) form a heat exchange pipe bundle (13), the heat exchange pipe bundles (13) and the baffle plates (4) are distributed in a staggered mode, and the spiral directions and the screw pitches of the baffle plates (4) are identical.
4. A heat exchanger according to claim 3, wherein the inner and outer winding tubes (6, 5) are made of an elastic material.
5. The heat exchanger of claim 1 or 4, further comprising:
the first sealing head (1) is fixedly connected to one side, far away from the outer cylinder body (14), of the first end cover (3);
the second end socket (12) is fixedly connected to one side, far away from the outer cylinder body (14), of the second end cover (9);
the shell side outlet pipe (7) is vertically connected to one end, close to the second sealing head (12), of the outer cylinder (14), and the shell side outlet pipe (7) is positioned above the straight pipe of the heat exchange pipe bundle (13);
the shell side inlet pipe (15) is vertically connected to one end, close to the first sealing head (1), of the outer cylinder (14), the shell side inlet pipe (15) is positioned below the straight pipe of the heat exchange pipe bundle (13), and the shell side outlet pipe (7) and the shell side inlet pipe (15) are respectively communicated with the outer cylinder (14);
a tube side inlet tube (11) which is connected to one side of the second seal head (12) far away from the outer cylinder (14) along the axial direction of the outer cylinder (14);
the tube side outlet pipe (16) is connected to one side, far away from the outer cylinder (14), of the first sealing head (1) along the axial direction of the outer cylinder (14), and the tube side inlet pipe (11) and the tube side outlet pipe (16) are respectively communicated with the outer cylinder (14).
6. A heat exchanger according to claim 5, wherein gaskets (2) are connected between the first head (1) and the first end cap (3), between the second head (12) and the second end cap (9), between the first end cap (3) and the outer cylinder (14) and between the second end cap (9) and the outer cylinder (14).
7. The heat exchanger of claim 6, further comprising:
the two cylinder flanges (8) are correspondingly sealed at the openings of the shell side outlet pipe (7) or the shell side inlet pipe (15) one by one;
the two end socket flanges (10) are correspondingly sealed at the openings of the shell side inlet pipe (15) or the tube side outlet pipe (16) one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310516765.XA CN116576695A (en) | 2023-05-09 | 2023-05-09 | Heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310516765.XA CN116576695A (en) | 2023-05-09 | 2023-05-09 | Heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116576695A true CN116576695A (en) | 2023-08-11 |
Family
ID=87535271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310516765.XA Pending CN116576695A (en) | 2023-05-09 | 2023-05-09 | Heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116576695A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117053603A (en) * | 2023-09-27 | 2023-11-14 | 广东捷邦节能设备制造有限公司 | Energy-saving stainless steel heat exchanger |
-
2023
- 2023-05-09 CN CN202310516765.XA patent/CN116576695A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117053603A (en) * | 2023-09-27 | 2023-11-14 | 广东捷邦节能设备制造有限公司 | Energy-saving stainless steel heat exchanger |
| CN117053603B (en) * | 2023-09-27 | 2024-04-02 | 广东捷邦节能设备制造有限公司 | Energy-saving stainless steel heat exchanger |
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