CN115031554A - U-shaped tube heat exchanger - Google Patents
U-shaped tube heat exchanger Download PDFInfo
- Publication number
- CN115031554A CN115031554A CN202210952910.4A CN202210952910A CN115031554A CN 115031554 A CN115031554 A CN 115031554A CN 202210952910 A CN202210952910 A CN 202210952910A CN 115031554 A CN115031554 A CN 115031554A
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- Prior art keywords
- tube
- shell
- heat exchange
- exchange tube
- side cylinder
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Classifications
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- 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
- F28D7/06—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 having a single U-bend
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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
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
- F28F9/10—Arrangements for sealing elements into header boxes or end plates by dismountable joints by screw-type connections, e.g. gland
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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
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
- F28F9/266—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators by screw-type connections
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- 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
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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 application relates to chemical industry equipment technical field, the U type heat exchanger that this application provided includes: the heat exchange tubes on two sides of the U-shaped heat exchange tube are respectively a first side heat exchange tube and a second side heat exchange tube, and the turning part of the U-shaped heat exchange tube is a turning heat exchange tube; the head cover is communicated with two straight shell side cylinders, namely a first shell side cylinder and a second shell side cylinder; the first side heat exchange tube is arranged in the first shell side cylinder, the second side heat exchange tube is arranged in the second shell side cylinder, and the turning heat exchange tube is arranged in the head cover; compared with the prior art, the liquid inlet and the liquid outlet are arranged on one tube plate instead of the prior art, and the phenomenon that the tube plate bears excessive pressure is avoided.
Description
Technical Field
The application relates to the technical field of chemical equipment, and more particularly relates to a U-shaped pipe heat exchanger.
Background
In the U-shaped tube heat exchanger in the prior art, two ends of the U-shaped heat exchange tube are fixed on the same tube plate, the tube bundle can freely stretch out and draw back, temperature difference stress cannot be generated due to medium temperature difference, the operation is reliable, and the U-shaped tube heat exchanger is suitable for high-temperature and high-pressure occasions. However, because the tube side is difficult to clean, the tube side fluid must be clean and difficult to scale, and because the U-shaped heat exchange tube needs a certain bending radius, the distance between the innermost layers of the U-shaped heat exchange tube is large, the shell side is easy to short circuit, and the utilization rate of the tube plate is low; the inner layer pipe can not be replaced, and the rejection rate of the heat exchange pipe is high.
In addition, because the heat exchange tube is supported by a tube plate, the thickness of the tube plate is larger than that of other forms under the same shell inner diameter. Moreover, when the diameter of the heat exchanger is large, the turning part (U-shaped part) of the U-shaped heat exchange tube is difficult to support, and the vibration resistance of the tube bundle is poor.
Therefore, how to avoid the tube plate from bearing excessive pressure is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of this, this application provides a U type tubular heat exchanger to realize avoiding the tube sheet to bear too big pressure.
In order to achieve the above purpose, the present application provides the following technical solutions: a U-tube heat exchanger comprising: the heat exchange tubes on two sides of the U-shaped heat exchange tube are respectively a first side heat exchange tube and a second side heat exchange tube, the turning part of the U-shaped heat exchange tube is a turning heat exchange tube, the end part of the first side heat exchange tube is a first tube orifice end, and the end part of the second side heat exchange tube is a second tube orifice end; the head cover is communicated with two straight shell side cylinders, namely a first shell side cylinder and a second shell side cylinder; the first side heat exchange tube is arranged in the first shell side cylinder, the second side heat exchange tube is arranged in the second shell side cylinder, and the turning heat exchange tube is arranged in the head cover; one end of the first shell side cylinder body, which is not communicated with the head cover, is connected with a first tube plate, and the end of the first tube plate is connected with the first tube plate; one end of the second shell side cylinder body, which is not communicated with the head cover, is connected with a second tube plate, and the end of the second tube plate is connected with the second tube plate.
Optionally, the circumferential side wall of the first tube plate is provided with tube plate threads, the first tube plate is connected with a threaded flange through the tube plate threads, the threaded flange is connected with a tube side reducing flange in a clamping mode through bolts, and the large-diameter end of the tube side reducing flange is close to the first tube plate.
Optionally, the shell side of the first tube plate is provided with a shell side shoulder, the first shell side cylinder is connected with the first tube plate through the conical shell, the shell side shoulder is connected with the small diameter end of the conical shell, and the first shell side cylinder is connected with the large diameter end of the conical shell.
Optionally, the tube side of the first tubesheet is provided with a tube side shoulder, and a corrugated tooth gasket is arranged between the tube side shoulder and the tube side reducing flange.
Optionally, the head cover is connected with the first shell side cylinder through a tail connecting flange, bolt holes in the head cover are connected with bolt holes of the tail connecting flange through bolt clamping, and the first shell side cylinder is welded with an interface of the tail connecting flange.
Optionally, the outer wall of the first shell-side cylinder body is sleeved with a U-shaped bolt, and two ends of the U-shaped bolt are connected with the support bolts.
Optionally, the conical shell comprises a left conical shell and a right conical shell, and after the first side heat exchange tube is connected with the first tube plate and the first side heat exchange tube is assembled with the first shell-side barrel, the left conical shell and the right conical shell are combined between the first tube plate and the first shell-side barrel and welded into the conical shell.
The application provides a U type heat exchanger includes: the heat exchange tubes on two sides of the U-shaped heat exchange tube are respectively a first side heat exchange tube and a second side heat exchange tube, the turning part of the U-shaped heat exchange tube is a turning heat exchange tube, the end part of the first side heat exchange tube is a first tube orifice end, and the end part of the second side heat exchange tube is a second tube orifice end; the head cover is communicated with two straight shell side barrels which are respectively a first shell side barrel and a second shell side barrel; the first side heat exchange tube is arranged in the first shell side cylinder, the second side heat exchange tube is arranged in the second shell side cylinder, and the turning heat exchange tube is arranged in the head cover; one end of the first shell side barrel, which is not communicated with the head cover, is connected with a first tube plate, and the end of the first tube plate is connected with the first tube plate; one end of the second shell side cylinder body, which is not communicated with the head cover, is connected with a second tube plate, and the end of the second tube plate is connected with the second tube plate. By adopting the structure, compared with the prior art, the structure essentially adopts two tube plates to replace one tube plate, the two tube plates are respectively a first tube plate and a second tube plate, the first tube plate is connected with the liquid inlet, the second tube plate is connected with the liquid outlet, and the structure that the liquid inlet and the liquid outlet are both arranged on one tube plate in the prior art is replaced, because the structure of the first tube plate and the second tube plate is adopted, because the tube side is difficult to clean, tube side fluid must be clean and not easy to scale, and because the U-shaped heat exchange tube needs a certain bending radius, the distance between the innermost layers of the U-shaped heat exchange tube is large, but the U-shaped heat exchange tube is distributed on the two tube plates, no problem exists no matter how large the distance between the innermost layers is, the shell side is not easy to short circuit, and the utilization rate of the tube plates is high; the inner layer tube of the U-shaped heat exchange tube is convenient to replace, and the rejection rate of the heat exchange tube is low. In addition, because the U-shaped heat exchange tube does not bear the whole supporting function of a tube plate, the thickness of the tube plate can be smaller when the inner diameter of the shell is the same. When the diameter of the U-shaped tube heat exchanger is larger, the head cover is used for supporting, the U-shaped heat exchange tube is not difficult to support in a turning part (U-shaped part), the U-shaped heat exchange tube is good in vibration resistance, and the tube plate is prevented from bearing excessive pressure.
Drawings
The novel features believed characteristic of the application are set forth with particularity in the appended claims. A better understanding of the features and advantages of the present application will be obtained by reference to the following detailed description that sets forth illustrative embodiments, in which the principles of the application are utilized, and the accompanying drawings. The drawings are only for purposes of illustrating embodiments and are not to be construed as limiting the application. Also, like elements are denoted by like reference numerals throughout the drawings.
In the drawings: fig. 1 is a schematic structural diagram of a U-tube heat exchanger provided in the present application.
In the drawings: fig. 2 is a schematic connection diagram of the U-tube heat exchanger threaded flange, the tube side reducing flange and the first tube plate provided by the present application.
In the drawings: FIG. 3 is a schematic view of the connection between the shell-side tube and the bracket of the U-tube heat exchanger provided by the present application.
In fig. 1 to 3: 1 is a tube side reducing flange, 2 is a thread flange, 3 is a first side heat exchange tube, 4 is a cone shell, 5 is a first shell side cylinder, 6 is a tail connecting flange, 7 is a head cover, 8 is a bracket, 9 is a first tube plate, 10 is a wave tooth gasket, and 11 is a U-shaped bolt.
Detailed Description
The application provides a U type heat exchanger has realized avoiding the tube sheet to bear too big pressure.
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a schematic structural view of a U-tube heat exchanger provided in the present application; FIG. 2 is a schematic view of the connection between the threaded flange of the U-tube heat exchanger and the tube-side reducing flange and the first tube plate provided in the present application; FIG. 3 is a schematic view of the connection between the shell-side tube and the bracket of the U-tube heat exchanger provided by the present application.
The application provides a U type heat exchanger includes: the heat exchange tubes on two sides of the U-shaped heat exchange tube are respectively a first side heat exchange tube 3 and a second side heat exchange tube, the turning part of the U-shaped heat exchange tube is a turning heat exchange tube, the end part of the first side heat exchange tube 3 is a first tube orifice end, and the end part of the second side heat exchange tube is a second tube orifice end; the head cover 7 is communicated with two straight shell side cylinder bodies, namely a first shell side cylinder body 5 and a second shell side cylinder body; the first side heat exchange tube 3 is arranged in the first shell side cylinder 5, the second side heat exchange tube is arranged in the second shell side cylinder, and the turning heat exchange tube is arranged in the head cover 7; one end of the first shell side cylinder 5, which is not communicated with the head cover 7, is connected with a first tube plate 9, and the end of the first tube plate is connected with the first tube plate 9; one end of the second shell side cylinder body, which is not communicated with the head cover 7, is connected with a second tube plate, and the end of the second tube plate is connected with the second tube plate.
By adopting the structure, compared with the prior art, the structure essentially adopts two tube plates to replace one tube plate, the two tube plates are respectively the first tube plate 9 and the second tube plate, the first tube plate 9 is connected with the liquid inlet, the second tube plate is connected with the liquid outlet, and the structure that the liquid inlet and the liquid outlet are both arranged on one tube plate in the prior art is replaced, because the structure of the first tube plate 9 and the second tube plate is adopted, because the tube side is difficult to clean, the tube side fluid must be a clean material which is difficult to scale, and because the U-shaped heat exchange tube needs a certain bending radius, the innermost layer distance of the U-shaped heat exchange tube is large, but the U-shaped heat exchange tube is distributed on the two tube plates, no problem exists no matter how large the innermost layer distance is, the shell side is difficult to short circuit, and the utilization rate of the tube plates is high; the inner layer tube of the U-shaped heat exchange tube is convenient to replace, and the rejection rate of the heat exchange tube is low. In addition, because the U-shaped heat exchange tubes are not supported by a tube plate, the thickness of the tube plate can be smaller when the inner diameter of the shell is the same. When the diameter of the U-shaped tube heat exchanger is larger, the head cover 7 is used for supporting, so that the U-shaped heat exchange tube is not difficult to support at the turning part (U-shaped part), the U-shaped heat exchange tube has good vibration resistance, and the tube plate is prevented from bearing excessive pressure. For the first side heat exchange tube 3 and the second side heat exchange tube of two tube sheets and U type heat exchanger, set up first shell side barrel 5 and second shell side barrel, the two connect in skull 7 department, form same cavity, as the shell side.
In a specific embodiment of the present application, a tube sheet thread is provided on a circumferential side wall of the first tube sheet 9, the first tube sheet 9 is connected to the threaded flange 2 through the tube sheet thread, the threaded flange 2 is connected to the tube side reducing flange 1 through a bolt, and a large diameter end of the tube side reducing flange 1 is close to the first tube sheet 9. The pipe side reducing flange 1 is used as a liquid inlet, one section of liquid inlet is small in diameter, a liquid inlet pipeline is conveniently connected, the first pipe plate 9 is provided with a fixed diameter, and therefore the large-diameter end of the pipe side reducing flange 1 is connected and is clamped and connected through the two flanges matched with bolts, and sealing performance can be well guaranteed.
In a specific embodiment of the present application, the shell side of the first tube sheet 9 is provided with a shell side shoulder, the first shell side cylinder 5 is connected with the first tube sheet 9 through the conical shell 4, the shell side shoulder is connected with the small diameter end of the conical shell 4, and the first shell side cylinder 5 is connected with the large diameter end of the conical shell 4. The first tube plate 9 and the first shell side cylinder 5 are connected in a transition mode through the conical shell 4, so that the manufacturing cost of finished parts is avoided, and the economic concept of environmental protection, energy conservation and high efficiency is developed; and the conical shell 4 plays a role in enlarging the diameter, which is particularly important in the application, because the structure of one tube plate in the prior art is replaced by the structure of two tube plates, the structure of one tube plate in the prior art can naturally ensure that the diameter of the shell side cylinder is large enough, and because the turning part of the U-shaped heat exchange tube can enlarge the diameter of the shell side cylinder, and the novel problem easily brought by adopting the innovative structure of the application is that the diameter of the first shell side cylinder 5 is small, the capacity of the shell side is small, and the diameter is enlarged by adopting the conical shell 4, so that the diameter of the first shell side cylinder 5 can be ensured to be sufficient.
In a particular embodiment of the present application, the tube side of the first tube sheet 9 is provided with a tube side shoulder, and a corrugated tooth gasket 10 is provided between the tube side shoulder and the tube side reducing flange 1. The corrugated gasket 10 ensures a good seal.
In an embodiment of the present application, the head cover 7 is connected to the first shell-side cylinder 5 through the tail connecting flange 6, bolt holes on the head cover 7 are connected to bolt holes of the tail connecting flange 6 through bolt clamping, and the first shell-side cylinder 5 is welded to the interface of the tail connecting flange 6. The end cover 7 is connected with the first shell side barrel body 5 through the tail connecting flange 6, connection tightness and sealing performance are good, and bolt clamping connection is beneficial to sealing.
In a specific embodiment of the present application, a U-shaped bolt 11 is sleeved on an outer wall of the first shell-side cylinder 5, and two ends of the U-shaped bolt 11 are bolted to the bracket 8. U type bolt 11 can effectively guarantee that first shell side barrel 5 installation is firm because the whole suit of U type bolt 11 is on the outer wall of first shell side barrel 5.
In a specific embodiment of the present application, the conical shell 4 includes a left conical shell and a right conical shell, and after the first side heat exchange tube 3 is connected to the first tube sheet 9 and the first side heat exchange tube 3 is assembled with the first shell-side cylinder 5, the left conical shell and the right conical shell are combined between the first tube sheet 9 and the first shell-side cylinder 5 and welded into the conical shell 4. The conical shell 4 is further designed into a split structure, so that the conical shell is more convenient to disassemble and assemble, the conical shell 4 can be installed after the conical shell is assembled, and the installation flow of the whole structure is greatly simplified. The left conical shell and the right conical shell can be made by cutting the conical shell 4 into two parts along the central line after the conical shell is manufactured, or can be two parts which are not equally divided, and even for actual installation needs, the conical shell 4 can be designed into more split bodies, not only two split structures.
It should be understood that the various steps recited in the method embodiments of the present disclosure may be performed in a different order, and/or performed in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present application is not limited in this respect.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the disclosure may be practiced without these specific details. In some embodiments, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
While exemplary embodiments of the present application have been shown and described herein, it will be obvious to those skilled in the art that such embodiments are provided by way of example only. Numerous modifications, changes, and substitutions will now occur to those skilled in the art without departing from the application. It should be understood that various alternatives to the embodiments of the application described herein may be employed in practicing the application. It is intended that the following claims define the scope of the application and that methods and structures within the scope of these claims and their equivalents be covered thereby.
Claims (7)
1. A U-tube heat exchanger, comprising: the heat exchange tubes on two sides of the U-shaped heat exchange tube are respectively a first side heat exchange tube (3) and a second side heat exchange tube, the turning part of the U-shaped heat exchange tube is a turning heat exchange tube, the end part of the first side heat exchange tube (3) is a first tube orifice end, and the end part of the second side heat exchange tube is a second tube orifice end; the head cover (7) is communicated with two straight shell-side cylinders, namely a first shell-side cylinder (5) and a second shell-side cylinder; the first side heat exchange tube (3) is arranged in the first shell side cylinder (5), the second side heat exchange tube is arranged in the second shell side cylinder, and the turning heat exchange tube is arranged in the head cover (7); one end of the first shell side cylinder (5) which is not communicated with the head cover (7) is connected with a first tube plate (9), and the first tube opening end is connected with the first tube plate (9); and one end of the second shell side cylinder body, which is not communicated with the head cover (7), is connected with a second tube plate, and the end of the second tube plate is connected with the second tube plate.
2. The U-tube heat exchanger according to claim 1, wherein the circumferential side wall of the first tube sheet (9) is provided with tube sheet threads, the first tube sheet (9) is connected with a threaded flange (2) through the tube sheet threads, a tube side reducing flange (1) is clamped and connected on the threaded flange (2) through bolts, and the large diameter end of the tube side reducing flange (1) is close to the first tube sheet (9).
3. A U-tube heat exchanger according to claim 2 wherein the shell side of the first tube sheet (9) is provided with a shell side shoulder, the first shell side cylinder (5) being connected to the first tube sheet (9) by a conical shell (4), the shell side shoulder being connected to the small diameter end of the conical shell (4), the first shell side cylinder (5) being connected to the large diameter end of the conical shell (4).
4. A U-tube heat exchanger according to claim 3, wherein the tube side of the first tube sheet (9) is provided with a tube side shoulder, and wherein a corrugated gasket (10) is provided between the tube side shoulder and the tube side reducing flange (1).
5. U-tube heat exchanger according to claim 4, wherein the head cover (7) is connected to the first shell-side tube (5) by a rear connection flange (6), bolt holes in the head cover (7) are connected to bolt holes in the rear connection flange (6) by bolt clamping, and the first shell-side tube (5) is welded to the interface of the rear connection flange (6).
6. The U-tube heat exchanger according to claim 5, wherein the outer wall of the first shell-side cylinder (5) is sleeved with a U-shaped bolt (11), and two ends of the U-shaped bolt (11) are bolted with the bracket (8).
7. U-tube heat exchanger according to claim 6, wherein the conical shell (4) comprises a left conical shell and a right conical shell, and after the first side heat exchange tube (3) is connected to the first tube sheet (9) and the first side heat exchange tube (3) is assembled with the first shell-side cylinder (5), the left conical shell and the right conical shell are combined between the first tube sheet (9) and the first shell-side cylinder (5) and welded into the conical shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952910.4A CN115031554A (en) | 2022-08-10 | 2022-08-10 | U-shaped tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952910.4A CN115031554A (en) | 2022-08-10 | 2022-08-10 | U-shaped tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115031554A true CN115031554A (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210952910.4A Pending CN115031554A (en) | 2022-08-10 | 2022-08-10 | U-shaped tube heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN115031554A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3333735A1 (en) * | 1983-09-17 | 1985-04-04 | Borsig Gmbh, 1000 Berlin | HEAT EXCHANGER FOR COOLING HOT GASES, ESPECIALLY FROM THE AMMONIA SYNTHESIS |
| US20130313822A1 (en) * | 2011-02-07 | 2013-11-28 | Carrier Corporation | Brazing ring |
| CN204535521U (en) * | 2014-12-19 | 2015-08-05 | 北京迪威尔石油天然气技术开发有限公司 | A kind of conical head jockey of wound tube heat exchanger |
| CN106017150A (en) * | 2016-07-21 | 2016-10-12 | 黄志钊 | U-shaped shell type liquefied natural gas gasifier |
| CN205919715U (en) * | 2016-08-27 | 2017-02-01 | 哈尔滨锅炉厂有限责任公司 | A novel heat exchanger for solar thermal power generation system |
| CN106440876A (en) * | 2016-11-30 | 2017-02-22 | 山东北辰机电设备股份有限公司 | External flow guiding type baffle rod U-tube U-housing pure counter-flow heat exchanger |
| CN110145947A (en) * | 2019-06-19 | 2019-08-20 | 哈尔滨汽轮机厂辅机工程有限公司 | A kind of high temperature and pressure compressed air heat exchanger structure |
| CN216409896U (en) * | 2021-12-27 | 2022-04-29 | 张家港市江南锅炉压力容器有限公司 | Connecting structure of tube plate and heat exchange tube |
-
2022
- 2022-08-10 CN CN202210952910.4A patent/CN115031554A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3333735A1 (en) * | 1983-09-17 | 1985-04-04 | Borsig Gmbh, 1000 Berlin | HEAT EXCHANGER FOR COOLING HOT GASES, ESPECIALLY FROM THE AMMONIA SYNTHESIS |
| US20130313822A1 (en) * | 2011-02-07 | 2013-11-28 | Carrier Corporation | Brazing ring |
| CN204535521U (en) * | 2014-12-19 | 2015-08-05 | 北京迪威尔石油天然气技术开发有限公司 | A kind of conical head jockey of wound tube heat exchanger |
| CN106017150A (en) * | 2016-07-21 | 2016-10-12 | 黄志钊 | U-shaped shell type liquefied natural gas gasifier |
| CN205919715U (en) * | 2016-08-27 | 2017-02-01 | 哈尔滨锅炉厂有限责任公司 | A novel heat exchanger for solar thermal power generation system |
| CN106440876A (en) * | 2016-11-30 | 2017-02-22 | 山东北辰机电设备股份有限公司 | External flow guiding type baffle rod U-tube U-housing pure counter-flow heat exchanger |
| CN110145947A (en) * | 2019-06-19 | 2019-08-20 | 哈尔滨汽轮机厂辅机工程有限公司 | A kind of high temperature and pressure compressed air heat exchanger structure |
| CN216409896U (en) * | 2021-12-27 | 2022-04-29 | 张家港市江南锅炉压力容器有限公司 | Connecting structure of tube plate and heat exchange tube |
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Application publication date: 20220909 |