CN113280657A - Three-phase heat exchanger - Google Patents
Three-phase heat exchanger Download PDFInfo
- Publication number
- CN113280657A CN113280657A CN202110690153.3A CN202110690153A CN113280657A CN 113280657 A CN113280657 A CN 113280657A CN 202110690153 A CN202110690153 A CN 202110690153A CN 113280657 A CN113280657 A CN 113280657A
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- pipe
- tube
- inner cylinder
- flat cover
- pass inner
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- 238000007789 sealing Methods 0.000 claims description 19
- 238000003491 array Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Images
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
- F28D7/16—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 arranged in parallel spaced relation
- F28D7/1607—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 arranged in parallel spaced relation with particular pattern of flow of the heat exchange media, e.g. change of flow direction
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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
- F28F11/00—Arrangements for sealing leaky tubes and conduits
-
- 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
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a three-phase heat exchanger, and particularly relates to the technical field of heat exchangers. The invention comprises a pressure-bearing shell, wherein a fixing device is arranged on the outer side wall of the pressure-bearing shell; the upper end and the lower end of the pressure-bearing shell are respectively provided with an upper flat cover and a lower flat cover, through holes are respectively arranged on the upper flat cover and the lower flat cover, a first reducing pipe and a second reducing pipe are respectively arranged on the upper flat cover and the lower flat cover, an upper tube pass inner cylinder and a lower tube pass inner cylinder are arranged in the pressure-bearing shell, tube arrays are respectively arranged on the upper tube pass inner cylinder and the lower tube pass inner cylinder, and a shunting cavity is arranged between the upper tube pass inner cylinder and the lower tube pass inner cylinder; the pressure-bearing shell is provided with a first feed inlet, a second feed inlet, a first discharge outlet and a second discharge outlet, and the upper pipe-pass inner cylinder and the lower pipe-pass inner cylinder are both provided with gap openings; an inner pipe is arranged in the tube nest, a cavity is arranged between the inner pipe and the tube nest, and communicating pipes are arranged at two ends of the inner pipe. The three-phase heat exchanger provided by the invention can improve the heat exchange efficiency of the heat exchanger.
Description
Technical Field
The invention belongs to the technical field of heat exchangers, and particularly relates to a three-phase heat exchanger.
Background
The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production.
The utility model provides a prevent plate heat exchanger of interior hourglass (application number CN201810811759.6), discloses a prevent plate heat exchanger of interior hourglass, and the device can avoid two mediums of mutual heat transfer can not take place to series flow phenomenon, has solved the condition that causes the adverse reaction after the current plate heat exchanger takes place easily to leak, but the device heat exchange efficiency is not good.
To the above circumstances, a three-phase heat exchanger is needed, which can improve the heat exchange efficiency of the heat exchanger.
Disclosure of Invention
The invention provides the following technical scheme:
a three-phase heat exchanger comprises a pressure-bearing shell, wherein a fixing device is arranged on the outer side wall of the pressure-bearing shell; an upper flat cover and a lower flat cover are respectively arranged at the upper end and the lower end of the pressure-bearing shell, through holes are respectively formed in the upper flat cover and the lower flat cover, a first reducing pipe and a second reducing pipe are respectively arranged on the upper flat cover and the lower flat cover, the first reducing pipe and the second reducing pipe are respectively communicated with the through holes, an upper pipe-pass inner cylinder and a lower pipe-pass inner cylinder are arranged in the pressure-bearing shell, the upper end of the upper pipe-pass inner cylinder and the lower end of the lower pipe-pass inner cylinder are respectively communicated with the through holes of the upper flat cover and the lower flat cover, a row pipe is respectively arranged in the upper pipe-pass inner cylinder and the lower pipe-pass inner cylinder, a shunt cavity is arranged between the upper pipe-pass inner cylinder and the lower pipe-pass inner cylinder, and the row pipe is communicated with the shunt cavity; the pressure-bearing shell is provided with a first feed inlet, a second feed inlet, a first discharge outlet and a second discharge outlet, the first feed inlet and the first discharge outlet are arranged on the outer side of the upper tube pass inner tube, the second feed inlet and the second discharge outlet are arranged on the outer side of the upper tube pass inner tube, the upper tube pass inner tube and the lower tube pass inner tube are both provided with gap openings, and the gap openings are communicated with the first feed inlet, the first discharge outlet, the second feed inlet and the second discharge outlet; the inner tube is arranged in the tube nest, a cavity is arranged between the inner tube and the tube nest, communicating tubes are arranged at two ends of the inner tube, and two ends of each communicating tube are respectively communicated with the inner cavities of the upper tube pass inner tube, the lower tube pass inner tube and the inner tube.
Preferably, the pipe walls of the inner pipe and the tube nest are respectively composed of a plurality of arc plates, two sides of the arc plates are sequentially connected, and a fixing rod is arranged between the inner pipe and the tube nest.
Preferably, guide plates are arranged in the upper pipe-pass inner cylinder and the lower pipe-pass inner cylinder and are arranged in a staggered mode, and the tubes penetrate through the guide plates.
Preferably, the outer side walls of the upper pipe-pass inner cylinder and the lower pipe-pass inner cylinder are respectively provided with a sealing ring protrusion, and the sealing ring protrusions are in sliding connection with the inner side wall of the pressure-bearing shell.
Preferably, the lower end of the lower tube pass inner tube is provided with a limiting ring protrusion and a sealing ring, the upper end of the upper tube pass inner tube is provided with a fixing ring, the limiting ring protrusion is arranged on the upper end face of the lower flat cover, the inner ring wall and the outer ring wall of the sealing ring are respectively connected with the outer side wall of the lower tube pass inner tube and the hole wall of the through hole, the inner ring wall of the fixing ring is connected with the outer side wall of the upper end of the upper tube pass inner tube, and the outer side wall of the fixing ring is in sliding connection with the hole wall of the through hole.
Preferably, a connecting outer pipe is arranged between the first reducing pipe and the through hole in the upper flat cover, a connecting inner pipe is arranged in the connecting outer pipe, and the connecting inner pipe is connected with the upper end of the upper pipe-stroke inner cylinder.
Preferably, the pipe wall of the longitudinal section of the connecting inner pipe is concave-convex.
Preferably, a connecting ring is arranged between the first reducing pipe and the connecting outer pipe, an upper ring surface of the connecting ring is connected with the lower end of the first reducing pipe, and a lower ring surface of the connecting ring is connected with the upper ends of the connecting outer pipe and the connecting inner pipe.
Preferably, the fixing device consists of an ear plate and a ground plate, and the side end and the lower end of the ear plate are respectively connected with the outer side wall of the pressure-bearing shell and the upper end face of the ground plate.
Preferably, the upper flat cover and the lower flat cover are provided with vent holes, and the vent holes are provided with sealing plugs.
The invention has the beneficial effects that:
the pressure-bearing shell, the upper tube pass inner cylinder and the lower tube pass inner cylinder are assembled, so that the pressure-bearing shell is convenient to disassemble and maintain;
the upper tube pass inner tube and the lower tube pass inner tube realize twice heat exchange, and compared with the primary heat exchange, the temperature difference of the heat exchange is improved, and the heat exchange efficiency is improved;
the shunting cavity between the upper tube-pass inner cylinder and the lower tube-pass inner cylinder is convenient for redistributing the heat exchange substances in the tube array in the lower tube-pass inner cylinder into the tube array in the upper tube-pass inner cylinder, so that the heat exchange effect is improved;
the overall upward thermal expansion can be counteracted by connecting the inner tubes.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the present invention;
FIG. 3 is a partial enlarged view of the present invention
FIG. 4 is a schematic cross-sectional view of a tube array of the present invention.
Description of reference numerals:
1. a pressure-bearing housing; 2. an ear plate; 3. a ground plate; 4. a flat cover is arranged; 5. performing next modification; 6. a first reducer pipe; 7. a second reducer pipe; 8. an upper pipe-pass inner cylinder; 9. an inner tube for tube-pass discharging; 10. a through hole; 11. arranging pipes; 12. a shunting cavity; 13. a first feed port; 14. a first discharge port; 15. a second discharge port; 16. a second feed port; 17. a clearance opening; 18. an inner tube; 19. a cavity; 20. a connecting pipe; 21. fixing the rod; 22. a baffle; 23. the sealing ring is convex; 24. the limiting ring is convex; 25. a seal ring; 26. a fixing ring; 27. connecting an outer pipe; 28. connecting the inner pipes; 29. a connecting ring; 30. a vent hole; 31. and (4) sealing the plug.
Detailed Description
As shown in fig. 1 to 4, the three-phase heat exchanger includes a pressure-bearing housing 1, a fixing device is disposed on an outer side wall of the pressure-bearing housing 1, the fixing device is composed of an ear plate 2 disposed in a vertical direction and a ground plate 3 disposed in a horizontal direction, a side end and a lower end of the ear plate 2 are respectively connected with an outer side wall of the pressure-bearing housing 1 and an upper end face of the ground plate 3, and the fixing device facilitates fixing and mounting of the pressure-bearing housing 1.
The upper end and the lower end of a pressure-bearing shell 1 are respectively provided with an upper flat cover 4 and a lower flat cover 5, the upper flat cover 4 and the lower flat cover 5 are connected with the pressure-bearing shell 1 through bolts, the upper flat cover 4 and the lower flat cover 5 are respectively provided with a through hole 10 and a vent hole 30, the vent hole 30 is provided with a sealing plug 31, the sealing plug 30 is connected with the upper flat cover 4 and the lower flat cover 5 through bolts, an upper tube pass inner tube 8 and a lower tube pass inner tube 9 are arranged in the pressure-bearing shell 1, the upper end of the upper tube pass inner tube 8 and the lower end of the lower tube pass inner tube 9 are respectively communicated with the through holes 10 of the upper flat cover 4 and the lower flat cover 5, the lower end of the lower tube pass inner tube 9 is provided with a limiting ring bulge 24 and a sealing ring 25, the upper end of the upper tube pass inner tube 8 is provided with a fixing ring 26, the limiting bulge 24 is arranged on the upper end face of the lower flat cover 5, the inner ring wall and the outer ring wall of the sealing ring 25 are respectively connected with the outer wall of the through hole 10, the upper end of the upper tube 26 is connected with the outer wall of the upper tube 8, the outer side wall of the fixing ring 26 is in sliding connection with the hole wall of the through hole 10, the limiting ring protrusion 24 facilitates the lower tube pass inner cylinder 9 to be fixed firmly, the sealing ring 25 improves the tightness between the lower tube pass inner cylinder 9 and the through hole 10, and the fixing ring 26 facilitates the upper tube pass inner cylinder to move up stably after thermal expansion.
The upper flat cover 4 and the lower flat cover 5 are respectively provided with a first reducing pipe 6 and a second reducing pipe 7, the second reducing pipe 7 is connected with the lower flat cover 5 through bolts, a connecting outer pipe 27 is arranged between the first reducing pipe 6 and a through hole 10 on the upper flat cover 4, a connecting inner pipe 28 is arranged in the connecting outer pipe 27, the lower end of the connecting inner pipe 28 is connected with the upper end of an upper tube stroke inner cylinder 8, the middle part of the connecting inner pipe 28 is an elastic corrugated pipe, the longitudinal section pipe wall of the connecting inner pipe 28 is concave-convex, the upper end and the lower end of the connecting outer pipe 27 are respectively connected with the lower end of the first reducing pipe 6 and the upper flat cover 4 through bolts, the first reducing pipe 6, the second reducing pipe 7 and the connecting outer pipe 27 are communicated with the through hole 10, the first reducing pipe 6 and the second reducing pipe 7 are convenient for heat exchange substances to be connected with the upper flat cover 4 and the lower flat cover 5, and the connecting outer pipe 27 plays a role in protecting the connecting inner pipe 28;
a connecting ring 29 is arranged between the first reducing pipe 6 and the connecting outer pipe 27, the upper ring surface of the connecting ring 29 is connected with the lower end of the first reducing pipe 6, the lower ring surface of the connecting ring 29 is connected with the connecting outer pipe 27, the upper end of the connecting inner pipe 28 is connected with the connecting ring 29 through a bolt, and the connecting ring 29 is convenient for fixing the connecting inner pipe 28.
The outer side walls of the upper tube pass inner cylinder 8 and the lower tube pass inner cylinder 9 are respectively provided with a sealing ring protrusion 23, the sealing ring protrusions 23 are connected with the inner side wall of the pressure-bearing shell 1 in a sliding manner, a plurality of tube arrays 11 are arranged in the upper tube pass inner cylinder 8 and the lower tube pass inner cylinder 9 along the vertical direction, the upper tube pass inner cylinder 8 and the lower tube pass inner cylinder 9 are connected through bolts, a shunting cavity 12 is arranged between the upper tube pass inner cylinder and the lower tube pass inner cylinder, the end parts of the tube arrays 11 are communicated with the shunting cavity 12, and the shunting cavity is convenient for redistributing heat exchange substances in the tube arrays in the lower tube pass inner cylinder into the tube arrays in the upper tube pass inner cylinder, so that the heat exchange effect is improved;
an inner tube 18 is arranged in the tube nest 11, a cavity 19 is arranged between the inner tube and the tube nest, communicating tubes 20 are arranged at two ends of the inner tube 18, two ends of each communicating tube 20 are respectively communicated with the inner cavities of the upper tube pass inner cylinder 8, the lower tube pass inner cylinder 9 and the inner tube 18, the tube walls of the inner tube 18 and the tube nest 11 are respectively composed of four arc plates, two sides of the arc plates are sequentially connected, and a fixing rod 21 is arranged between the inner tube 18 and the tube nest 11, so that the full contact between heat exchange substances is facilitated, and the heat exchange efficiency is improved;
the pressure-bearing shell 1 is provided with a first feed inlet 13, a second feed inlet 16, a first discharge outlet 14 and a second discharge outlet 15, the first feed inlet 13 and the first discharge outlet 14 are arranged on the outer sides of two ends of the lower tube pass inner cylinder 9, the second feed inlet 16 and the second discharge outlet 15 are arranged on the outer sides of two ends of the upper tube pass inner cylinder, the upper tube pass inner cylinder 8 and the lower tube pass inner cylinder 9 are both provided with gap openings 17, the gap openings 17 are communicated with the first feed inlet 13, the first discharge outlet 16, the second feed inlet 14 and the second discharge outlet 15, guide plates 22 are arranged in the upper tube pass inner cylinder 8 and the lower tube pass inner cylinder 9, the guide plates 22 are arranged in a staggered mode, the tubes 11 penetrate through the guide plates 22, the heat exchange distance is increased through the guide plates 22, and the heat exchange effect is improved.
The working mode of the invention is as follows: high-temperature liquid and gaseous substances enter the first reducer 6, sequentially flow through a cavity 19 in the tube array 11, a flow splitting cavity 12 and the cavity 19 in the tube array 11, are finally discharged from the second reducer 7, low-temperature gaseous substances enter the second feed inlet 15, flow through the upper tube pass inner cylinder 8 and are finally discharged from the second discharge outlet 16, and low-temperature liquid substances enter the first feed inlet 13, flow through the lower tube pass inner cylinder 9 and are finally discharged from the first outlet 14.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a three-phase heat exchanger, includes the pressure-bearing shell, its characterized in that: the outer side wall of the pressure-bearing shell is provided with a fixing device; an upper flat cover and a lower flat cover are respectively arranged at the upper end and the lower end of the pressure-bearing shell, through holes are respectively formed in the upper flat cover and the lower flat cover, a first reducing pipe and a second reducing pipe are respectively arranged on the upper flat cover and the lower flat cover, the first reducing pipe and the second reducing pipe are respectively communicated with the through holes, an upper pipe-pass inner cylinder and a lower pipe-pass inner cylinder are arranged in the pressure-bearing shell, the upper end of the upper pipe-pass inner cylinder and the lower end of the lower pipe-pass inner cylinder are respectively communicated with the through holes of the upper flat cover and the lower flat cover, a row pipe is respectively arranged in the upper pipe-pass inner cylinder and the lower pipe-pass inner cylinder, a shunt cavity is arranged between the upper pipe-pass inner cylinder and the lower pipe-pass inner cylinder, and the row pipe is communicated with the shunt cavity; the pressure-bearing shell is provided with a first feed inlet, a second feed inlet, a first discharge outlet and a second discharge outlet, the first feed inlet and the first discharge outlet are arranged on the outer side of the upper tube pass inner tube, the second feed inlet and the second discharge outlet are arranged on the outer side of the upper tube pass inner tube, the upper tube pass inner tube and the lower tube pass inner tube are both provided with gap openings, and the gap openings are communicated with the first feed inlet, the first discharge outlet, the second feed inlet and the second discharge outlet; the inner tube is arranged in the tube nest, a cavity is arranged between the inner tube and the tube nest, communicating tubes are arranged at two ends of the inner tube, and two ends of each communicating tube are respectively communicated with the inner cavities of the upper tube pass inner tube, the lower tube pass inner tube and the inner tube.
2. A three-phase heat exchanger according to claim 1, wherein: the pipe wall of the inner pipe and the pipe nest consists of a plurality of arc plates, the two sides of the arc plates are connected in sequence, and a fixing rod is arranged between the inner pipe and the pipe nest.
3. A three-phase heat exchanger according to claim 2, wherein: guide plates are arranged in the upper pipe-pass inner cylinder and the lower pipe-pass inner cylinder and are arranged in a staggered mode, and the tubes penetrate through the guide plates.
4. A three-phase heat exchanger according to claim 1, wherein: the outer side walls of the upper pipe-pass inner cylinder and the lower pipe-pass inner cylinder are respectively provided with a sealing ring protrusion, and the sealing ring protrusion is connected with the inner side wall of the pressure-bearing shell in a sliding mode.
5. A three-phase heat exchanger according to claim 1, wherein: the lower end of the lower tube pass inner cylinder is provided with a limiting ring protrusion and a sealing ring, the upper end of the upper tube pass inner cylinder is provided with a fixing ring, the limiting ring protrusion is arranged on the upper end face of the lower flat cover, the inner ring wall and the outer ring wall of the sealing ring are respectively connected with the outer side wall of the lower tube pass inner cylinder and the hole wall of the through hole, the inner ring wall of the fixing ring is connected with the outer side wall of the upper tube pass inner cylinder, and the outer side wall of the fixing ring is connected with the hole wall of the through hole in a sliding mode.
6. A three-phase heat exchanger according to claim 1, wherein: and a connecting outer pipe is arranged between the first reducing pipe and the through hole on the upper flat cover, a connecting inner pipe is arranged in the connecting outer pipe, and the connecting inner pipe is connected with the upper end of the upper pipe-stroke inner cylinder.
7. A three-phase heat exchanger according to claim 6, wherein: the longitudinal section pipe wall of the connecting inner pipe is concave-convex.
8. A three-phase heat exchanger according to claim 7, wherein: and a connecting ring is arranged between the first reducing pipe and the connecting outer pipe, the upper ring surface of the connecting ring is connected with the lower end of the first reducing pipe, and the lower ring surface of the connecting ring is connected with the upper ends of the connecting outer pipe and the connecting inner pipe.
9. A three-phase heat exchanger according to claim 1, wherein: the fixing device is composed of an ear plate and a ground plate, and the side end and the lower end of the ear plate are respectively connected with the outer side wall of the pressure-bearing shell and the upper end face of the ground plate.
10. A three-phase heat exchanger according to claim 1, wherein: the upper flat cover and the lower flat cover are provided with vent holes, and the vent holes are provided with sealing plugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110690153.3A CN113280657A (en) | 2021-06-24 | 2021-06-24 | Three-phase heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110690153.3A CN113280657A (en) | 2021-06-24 | 2021-06-24 | Three-phase heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113280657A true CN113280657A (en) | 2021-08-20 |
Family
ID=77285088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110690153.3A Pending CN113280657A (en) | 2021-06-24 | 2021-06-24 | Three-phase heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113280657A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696859A (en) * | 2009-10-20 | 2010-04-21 | 沈阳东方钛业有限公司 | Heat exchanger for distillation |
| CN102538515A (en) * | 2011-12-29 | 2012-07-04 | 中国船舶重工集团公司第七一一研究所 | Rotary tube bundle heat exchanger |
| CN202329301U (en) * | 2011-05-30 | 2012-07-11 | 中国石油化工集团公司 | Fixed tube sheet heat exchanger combined with heat exchange unit modules |
| CN203443425U (en) * | 2013-07-22 | 2014-02-19 | 北京广厦环能科技有限公司 | Two-off-three fluid corrugated tube heat exchanger |
| CN104949555A (en) * | 2015-07-08 | 2015-09-30 | 湖南省中达换热装备有限公司 | Three-in-one gas cooling device |
| CN206440170U (en) * | 2017-01-26 | 2017-08-25 | 北京石油化工工程有限公司 | Single tube journey movable tube sheets heat exchanger |
| CN212204611U (en) * | 2020-04-13 | 2020-12-22 | 紫江炉业南京有限公司 | Waste gas waste heat recovery device of heat treatment equipment |
-
2021
- 2021-06-24 CN CN202110690153.3A patent/CN113280657A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696859A (en) * | 2009-10-20 | 2010-04-21 | 沈阳东方钛业有限公司 | Heat exchanger for distillation |
| CN202329301U (en) * | 2011-05-30 | 2012-07-11 | 中国石油化工集团公司 | Fixed tube sheet heat exchanger combined with heat exchange unit modules |
| CN102538515A (en) * | 2011-12-29 | 2012-07-04 | 中国船舶重工集团公司第七一一研究所 | Rotary tube bundle heat exchanger |
| CN203443425U (en) * | 2013-07-22 | 2014-02-19 | 北京广厦环能科技有限公司 | Two-off-three fluid corrugated tube heat exchanger |
| CN104949555A (en) * | 2015-07-08 | 2015-09-30 | 湖南省中达换热装备有限公司 | Three-in-one gas cooling device |
| CN206440170U (en) * | 2017-01-26 | 2017-08-25 | 北京石油化工工程有限公司 | Single tube journey movable tube sheets heat exchanger |
| CN212204611U (en) * | 2020-04-13 | 2020-12-22 | 紫江炉业南京有限公司 | Waste gas waste heat recovery device of heat treatment equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210820 |