CN113804031A - Rotary heat exchanger - Google Patents
Rotary heat exchanger Download PDFInfo
- Publication number
- CN113804031A CN113804031A CN202111163833.6A CN202111163833A CN113804031A CN 113804031 A CN113804031 A CN 113804031A CN 202111163833 A CN202111163833 A CN 202111163833A CN 113804031 A CN113804031 A CN 113804031A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- heat exchanger
- middle cylinder
- rotary heat
- outer cylinder
- 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
- 239000012530 fluid Substances 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000007788 roughening Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- F28D11/00—Heat-exchange apparatus employing moving conduits
- F28D11/02—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a rotary heat exchanger which comprises a main body, wherein the main body is formed by sleeving an inner cylinder, a middle cylinder and an outer cylinder, an inlet and a discharge outlet are formed in the main body, the rotatable middle cylinder is arranged between the inner cylinder and the outer cylinder, a first fluid channel is formed between the inner cylinder and the middle cylinder, and a second fluid channel is formed between the middle cylinder and the outer cylinder. The heat exchanger has the advantages of reasonable design and simple structure, is convenient to provide a heat exchanger with high thermal conductivity, and can meet the use requirement.
Description
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a rotary heat exchanger.
Background
A heat exchanger (heat exchanger) is a device that transfers part of the heat of a hot fluid to a 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, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied. When the existing heat exchanger is used, in the process of convection heat exchange of fluid in the heat exchanger, due to the laminar flow characteristic of the surface of a contact part of the fluid and the heat exchanger, the fluid cannot flow rapidly inside and the contact surface, so that high heat on the surface cannot be conducted to the inside rapidly, the actual thermal conductivity is only about 1/8-1/10 theoretically, the heat exchange effect is poor, and the use requirement cannot be met, so that the existing heat exchanger needs to be improved!
Disclosure of Invention
Technical problem to be solved
Aiming at the defects in the prior art, the invention provides a rotary heat exchanger which is reasonable in design, simple in structure, convenient to provide a heat exchanger with high thermal conductivity and capable of meeting the use requirement.
(II) technical scheme to be adopted
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a rotation type heat exchanger, includes the main part, the main part mainly is formed by inner tube, well section of thick bamboo and urceolus suit, be provided with entry and escape orifice in the main part, the inner tube with be provided with rotatable well section of thick bamboo between the urceolus, the inner tube with be formed with first fluid passage between the well section of thick bamboo, well section of thick bamboo with be formed with the second fluid passage between the urceolus.
Preferably, a rotatable middle cylinder is arranged between the inner cylinder and the outer cylinder, specifically, inner bearings are correspondingly arranged between the two ends of the middle cylinder and the two ends of the inner cylinder, outer bearings are correspondingly arranged between the two ends of the middle cylinder and the two ends of the outer cylinder, and a transmission mechanism is arranged at one end of the middle cylinder.
Preferably, the transmission mechanism adopts a rotary joint or a transmission wheel.
Preferably, a mechanical seal is provided on the outer bearing.
Preferably, the width of the first fluid channel is such that the difference between the radii of the inner and outer cylinders is 50 mm.
Preferably, the middle cylinder is a cylinder, and the radius of the middle cylinder and the radius of the outer cylinder are 50mm or 100 mm.
Preferably, the middle cylinder is a two-step stepped cylinder, the difference between the radii of the outer cylinder of the middle cylinder with a low step is 100mm, and the difference between the radii of the outer cylinder and the middle cylinder with a high step is 50 mm.
Preferably, the inner surface and the outer surface of the middle cylinder are both provided with a roughened layer.
Preferably, the roughened layer is made by a roughening technique.
Preferably, the inlet comprises a water inlet hole and an inlet I which are arranged on the middle cylinder, and an inlet II which is arranged on the outer cylinder, wherein the inlet I is positioned on one end surface of the middle cylinder, and the inlet II is positioned on the side end surface of the outer cylinder; the discharge opening comprises a water outlet hole and an outlet I which are arranged on the middle cylinder, and an outlet II which is arranged on the outer cylinder, wherein the outlet I is positioned on the other end surface of the middle cylinder, and the outlet II is positioned on the side end surface of the outer cylinder.
(III) the beneficial effects to be achieved
The invention has the beneficial effects that:
the heat exchanger comprises an inner cylinder, an outer cylinder, a first fluid channel, a second fluid channel, a third fluid channel, a fourth fluid channel, a fifth fluid channel, a sixth fluid channel, a fifth fluid channel, a sixth fluid channel, a seventh fluid channel, a sixth fluid channel, a fifth fluid channel, a sixth fluid channel, a fourth fluid channel, a sixth fluid channel, a fourth fluid channel, a fourth fluid channel, a sixth, a channel, a fourth fluid channel, a fourth fluid channel, a fourth fluid channel, a fourth, a.
And secondly, the inner surface and the outer surface of the cylinder are both provided with the roughened layers, so that turbulent vortex is formed on the surface of the fluid in the rapid rotation process, and laminar flow is destroyed to the maximum extent, thereby greatly improving the heat conduction efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of an embodiment of the present invention.
In the figure: 1, a main body; 2, an inlet; 3, a leakage port; 11, an inner cylinder; 12, a middle cylinder; 13, an outer cylinder; 14, a first fluid channel; 15, a second fluid channel; 21, a water inlet hole; 22, an inlet I; 23, an inlet II; 31, water outlet holes; 32, an outlet I; 33, an outlet II; 121, an inner bearing; 122, an outer bearing; 123, a transmission mechanism; 124, mechanical seal.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, the rotary heat exchanger comprises a main body 1, wherein the main body 1 is mainly formed by sleeving an inner cylinder 11, a middle cylinder 12 and an outer cylinder 13, an inlet 2 and a discharge outlet 3 are arranged on the main body 1, the rotatable middle cylinder 12 is arranged between the inner cylinder 11 and the outer cylinder 13, a first fluid channel 14 is formed between the inner cylinder 11 and the middle cylinder 12, and a second fluid channel 15 is formed between the middle cylinder 12 and the outer cylinder 13.
The first embodiment is as follows: further, as shown in fig. 2, a rotatable middle cylinder 12 is disposed between the inner cylinder 11 and the outer cylinder 13, specifically, inner bearings 121 are disposed between two ends of the middle cylinder 12 and two ends of the inner cylinder 11 correspondingly, outer bearings 122 are disposed between two ends of the middle cylinder 12 and two ends of the outer cylinder 13 correspondingly, one end of the middle cylinder 12 is provided with a transmission mechanism 123, it is to be noted that the transmission mechanism 123 adopts a rotary joint or a transmission wheel (gear), and the transmission wheel can be mounted on two ends of the middle cylinder 12, so that the rotation of the middle cylinder 12 can be realized. It should be further noted that the outer bearing 122 is provided with a mechanical seal 124, and the mechanical seal 124 is a seal ring, which is beneficial to improving the sealing performance.
Example two: on the basis of the first embodiment, the width of the first fluid channel 14 is the difference between the radii of the inner cylinder 1 and the outer cylinder 13, as shown in fig. 1, 50mm is adopted in the present embodiment, which is more favorable for the liquid to flow in the first fluid channel 14, the middle cylinder 12 is a cylinder, the difference between the radii of the middle cylinder 12 and the outer cylinder 13 is 50mm or 100mm in the present embodiment, as shown in fig. 2, or the middle cylinder 12 is a two-step stepped cylinder, the difference between the radii of the outer cylinder 13 of the middle cylinder 12 with a low step is 100mm, and the difference between the radii of the middle cylinder 12 with a high step and the outer cylinder 13 is 50mm, which is more favorable for the liquid to flow in the second fluid channel 15.
Example three: on the basis of the first embodiment or the second embodiment, further, the inner surface and the outer surface of the middle cylinder 12 are both provided with the roughening layers, the roughening layers are manufactured through roughening treatment technology, and due to the roughening layers, turbulent vortex is formed on the surfaces of the fluid in the rapid rotation process, laminar flow is damaged to the maximum extent, and therefore heat conduction efficiency is greatly improved. After the treatment, the thermal conductivity of the invention can be improved by about 9 times compared with the common plate heat exchanger, and is close to a theoretical value, thereby being capable of meeting the use requirement.
Example four: on the basis of the first embodiment or the second embodiment or the third embodiment, as further shown in fig. 1 and fig. 2, the inlet 2 includes three inlet holes 21 and one inlet 22 provided on the middle cylinder 12, and two inlet holes 23 provided on the outer cylinder 13, in this embodiment, the number of the inlet holes 21 is three, the one inlet 22 is located on one end surface of the middle cylinder 12, and the two inlet holes 23 are located on the side end surface of the outer cylinder 13, and this arrangement facilitates the liquid in the first fluid channel 14 and the second fluid channel 15 to enter; the drain 3 includes a water outlet hole 31 and a first outlet hole 32 provided on the middle cylinder 12, and a second outlet hole 33 provided on the outer cylinder 13, in this embodiment, the number of the water outlet holes 31 is three, the first outlet hole 32 is located on the other end surface of the middle cylinder 12, and the second outlet hole 33 is located on the side end surface of the outer cylinder 13, and this arrangement facilitates the discharge of the liquid in the first fluid channel 14 and the second fluid channel 15. This arrangement is more advantageous for the flow of liquid in the first and second fluid channels 14, 15. It is further to be noted that, since the manhole is provided on the outer cylinder 13, which is commonly provided by those skilled in the art, it will not be described in detail herein, and the manhole is mainly convenient for later cleaning and maintenance, and prolongs the service life of the equipment. In the use process, the first fluid channel 14 is used for passing relatively clean fluid (not easy to scale), the second fluid channel 15 is used for passing fluid easy to scale, and the outer cylinder 13 is provided with a manhole as required, so that the cleaning and maintenance are facilitated.
Standard parts used in the application document can be purchased from the market, and the specific connection mode of each part adopts conventional means such as mature sealing rings, rotary joints and the like in the prior art. No specific description will be made herein.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.
Claims (10)
1. The utility model provides a rotary heat exchanger, includes main part (1), main part (1) mainly by inner tube (11), well section of thick bamboo (12) and urceolus (13) suit form, be provided with entry (2) and let out (3) on main part (1), its characterized in that: a rotatable middle cylinder (12) is arranged between the inner cylinder (11) and the outer cylinder (13), a first fluid channel (14) is formed between the inner cylinder (11) and the middle cylinder (12), and a second fluid channel (15) is formed between the middle cylinder (12) and the outer cylinder (13).
2. A rotary heat exchanger according to claim 1 wherein: the inner tube (11) with be provided with rotatable well section of thick bamboo (12) between urceolus (13), specifically, the both ends of well section of thick bamboo (12) inside correspond with be provided with inner bearing (121) between inner tube (11) both ends, the both ends outside of well section of thick bamboo (12) correspond with be provided with outer bearing (122) between urceolus (13) both ends, the one end of well section of thick bamboo (12) is provided with drive mechanism (123).
3. A rotary heat exchanger according to claim 2 wherein: the transmission mechanism (123) adopts a rotary joint or a transmission wheel.
4. A rotary heat exchanger according to claim 2 wherein: a mechanical seal (124) is disposed on the outer bearing (122).
5. A rotary heat exchanger according to claim 1 wherein: the width of the first fluid channel (14) is such that the difference between the radii of the inner cylinder (1) and the outer cylinder (13) is 50 mm.
6. A rotary heat exchanger according to claim 5 wherein: the middle cylinder (12) is a cylinder, and the radius of the middle cylinder (12) and the outer cylinder (13) is 50mm or 100 mm.
7. A rotary heat exchanger according to claim 5 wherein: the middle cylinder (12) is a two-step cylinder, the radius difference of the middle cylinder (12) and the outer cylinder (13) with low steps is 100mm, and the radius difference of the middle cylinder (12) and the outer cylinder (13) with high steps is 50 mm.
8. A rotary heat exchanger according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 wherein: the inner surface and the outer surface of the middle cylinder (12) are both provided with a roughening layer.
9. A rotary heat exchanger according to claim 8 wherein: the roughening layer is manufactured by roughening treatment technology.
10. A rotary heat exchanger according to claim 1 wherein: the inlet (2) comprises a water inlet hole (21) and an inlet I (22) which are arranged on the middle cylinder (12) and an inlet II (23) which is arranged on the outer cylinder (13), the inlet I (22) is positioned on one end face of the middle cylinder (12), and the inlet II (23) is positioned on the side end face of the outer cylinder (13); the drain outlet (3) comprises a water outlet hole (31) and a first outlet (32) which are arranged on the middle cylinder (12), and a second outlet (33) which is arranged on the outer cylinder (13), wherein the first outlet (32) is positioned on the other end surface of the middle cylinder (12), and the second outlet (33) is positioned on the side end surface of the outer cylinder (13).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021222211876 | 2021-09-14 | ||
| CN202122221187 | 2021-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113804031A true CN113804031A (en) | 2021-12-17 |
Family
ID=78897289
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111163833.6A Pending CN113804031A (en) | 2021-09-14 | 2021-09-30 | Rotary heat exchanger |
| CN202122394480.2U Active CN216347989U (en) | 2021-09-14 | 2021-09-30 | Rotary heat exchanger |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122394480.2U Active CN216347989U (en) | 2021-09-14 | 2021-09-30 | Rotary heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN113804031A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804031A (en) * | 2021-09-14 | 2021-12-17 | 黄金琪 | Rotary heat exchanger |
| CN116182615B (en) * | 2023-04-26 | 2023-06-27 | 四川优浦达科技有限公司 | High-efficiency recovery device and method for waste liquid and waste heat of wastewater treatment plant |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0053586A2 (en) * | 1980-12-03 | 1982-06-09 | PRESSINDUSTRIA S.p.A. | Rotary heat exchanger |
| CN102519282A (en) * | 2011-12-29 | 2012-06-27 | 中国船舶重工集团公司第七一一研究所 | Heat exchanger with heat exchange surface capable of rotating so as to strengthen heat exchange |
| CN107764106A (en) * | 2017-09-22 | 2018-03-06 | 昆明理工大学 | A kind of rotation blade heat exchanger |
| CN108519013A (en) * | 2018-03-30 | 2018-09-11 | 宁波金名片能源科技有限公司 | A kind of low-temperature waste heat retracting device |
| CN208805023U (en) * | 2018-08-17 | 2019-04-30 | 郑州市东鼎干燥设备有限公司 | A kind of three layers of telescopic roller drying machine |
| CN216347989U (en) * | 2021-09-14 | 2022-04-19 | 黄金琪 | Rotary heat exchanger |
-
2021
- 2021-09-30 CN CN202111163833.6A patent/CN113804031A/en active Pending
- 2021-09-30 CN CN202122394480.2U patent/CN216347989U/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0053586A2 (en) * | 1980-12-03 | 1982-06-09 | PRESSINDUSTRIA S.p.A. | Rotary heat exchanger |
| CN102519282A (en) * | 2011-12-29 | 2012-06-27 | 中国船舶重工集团公司第七一一研究所 | Heat exchanger with heat exchange surface capable of rotating so as to strengthen heat exchange |
| CN107764106A (en) * | 2017-09-22 | 2018-03-06 | 昆明理工大学 | A kind of rotation blade heat exchanger |
| CN108519013A (en) * | 2018-03-30 | 2018-09-11 | 宁波金名片能源科技有限公司 | A kind of low-temperature waste heat retracting device |
| CN208805023U (en) * | 2018-08-17 | 2019-04-30 | 郑州市东鼎干燥设备有限公司 | A kind of three layers of telescopic roller drying machine |
| CN216347989U (en) * | 2021-09-14 | 2022-04-19 | 黄金琪 | Rotary heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN216347989U (en) | 2022-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216347989U (en) | Rotary heat exchanger | |
| CN108061471B (en) | A kind of multiple-unit composite screw plate heat exchanger | |
| WO2015055122A1 (en) | Plated pipe-type heat exchanger | |
| CN102322757A (en) | Honeycomb type heat exchanger adopting multiple times of diffluence and confluence | |
| CN213841839U (en) | Large-flux graphite heat exchanger | |
| CN2370371Y (en) | Asymmetric net flow guide plate heat exchanger | |
| CN2446484Y (en) | Wholley welded plate type heat exchanger | |
| CN111536819B (en) | Heat exchange module | |
| CN204881286U (en) | Plate type heat exchanger | |
| CN210570121U (en) | Water-cooling pipe | |
| CN210862335U (en) | Heat exchanger with observation window for 80K low temperature | |
| CN2534546Y (en) | Whole-welding plate type heat exchanger | |
| CN207456248U (en) | A kind of plate beam heat exchanger | |
| CN210426189U (en) | Heat exchanger with spiral turbulence wire in heat exchange tube | |
| CN219551260U (en) | Special-shaped tube-fin heat exchanger | |
| CN209763802U (en) | Novel micro-channel flat tube heat exchanger with internal teeth | |
| CN211782890U (en) | High-efficiency energy-saving heat exchanger | |
| CN220288359U (en) | Plate shell type semi-welded heat exchange plate | |
| CN219265058U (en) | Tower type efficient heat exchanger | |
| CN219103805U (en) | Heat exchange plate of plate heat exchanger for refrigerating and heating air conditioner | |
| CN210625441U (en) | Cold-heat exchanger | |
| CN212585541U (en) | Polytetrafluoroethylene heat exchanger that leakproofness is good | |
| CN215928682U (en) | Seamless steel pipe for petroleum cracking | |
| CN211178049U (en) | Heat exchanger convenient to dismantle and clean | |
| CN217032114U (en) | Heat exchanger with distribution structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |