CN111271990A - Shear type spiral diversion sanitary heat exchanger - Google Patents
Shear type spiral diversion sanitary heat exchanger Download PDFInfo
- Publication number
- CN111271990A CN111271990A CN202010116516.8A CN202010116516A CN111271990A CN 111271990 A CN111271990 A CN 111271990A CN 202010116516 A CN202010116516 A CN 202010116516A CN 111271990 A CN111271990 A CN 111271990A
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- China
- Prior art keywords
- medium
- heat exchanger
- outer tube
- shear
- spiral
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- 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
- F28D7/10—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 one within the other, e.g. concentrically
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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
- 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
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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
-
- 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
Abstract
The invention discloses a shear type spiral flow dividing sanitary heat exchanger which comprises an outer tube pass (17) and an inner tube pass (18) arranged in the outer tube pass (17), wherein a first flow spoiler (10), a second flow spoiler (11) and a baffle plate (12) are arranged in the outer tube pass (17), the inner tube pass (18) comprises a plurality of medium tubes (8) for medium circulation, and spiral flow dividers (9) are arranged in the medium tubes (8). The invention can reduce the impact of cold/hot media to the medium pipe, reduce the damage of medium pressure to the medium pipe, change the flow direction of the medium, reduce the detention area at the same time; the invention leads the medium to flow spirally in the medium pipe, reduces the pipe wall detention, leads the medium to be easier to exchange heat and improves the heat exchange efficiency.
Description
Technical Field
The invention relates to a heat exchange device, in particular to a shear type spiral diversion sanitary heat exchanger.
Background
Heat exchangers, also known as heat exchangers, are devices that transfer part of the heat of a hot fluid to a cold fluid, are widely used in chemical, petroleum, food and many other industrial sectors, and occupy an important place in production, and can be used for both heating and cooling media.
In current all kinds of heat exchanger structures, no matter media such as steam, refrigerated water, process water all can cause inner tube process to damage because of pressure is too big, and the high temperature difference causes the damage to heat exchanger, because of the flow direction is single, forms the container wall and detains the district to make the heat exchange incomplete, cause the extravagant problem of media, material cost waste and heat exchange efficiency low, life is short.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a shear type spiral flow-dividing sanitary heat exchanger which can prevent a stagnation area from being formed, change the molecular weight of a medium, enable the medium to be easier to exchange heat and improve the heat exchange efficiency.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme: a shear type spiral diversion sanitary heat exchanger comprises an outer tube pass and an inner tube pass arranged in the outer tube pass, wherein a first spoiler, a second spoiler and a baffle plate are arranged in the outer tube pass; the inner pipe pass comprises a plurality of medium pipes for medium circulation, and spiral flow dividers are arranged in the medium pipes.
In addition, the invention also provides the following auxiliary technical scheme:
the outer tube side comprises a shell and an inner tube plate, the shell is a hollow cylinder made of 304 stainless steel, and two ends of the shell are welded with the inner tube plate into a whole; the inner pipe plate is correspondingly provided with round holes with the same number as the medium pipes, the medium pipes penetrate through the round holes and play a role in fixing the medium pipes, no gap exists between the medium pipes and the round holes, so that the medium circulating in the inner pipe process and the cold/heat medium circulating in the outer pipe process are not communicated with each other, and medium pollution is avoided.
The heat exchanger is characterized in that a second spoiler and a baffle plate are arranged in the shell, an expansion joint is arranged in the middle of the shell, a cold/heat medium inlet, a cold/heat medium outlet and a safety connector are arranged at two ends of the shell, and a first spoiler is arranged in the cold/heat medium inlet.
The second spoiler is made of 304 stainless steel and has good corrosion resistance, and is arranged in two ends of the shell, so that flowing dead angles of cold and hot media are reduced.
The baffle plate is a spiral plate made of 304 stainless steel, a plurality of clamping holes are formed in the inner side of the baffle plate, the baffle plate is wound and clamped on the medium pipe through the clamping holes, and the outer side of the baffle plate is in close contact with the inner wall of the shell, so that cold/hot medium circulates in the outer pipe pass in a spiral mode along the baffle plate.
The expansion joint is arranged in the middle of the shell and welded on the shell, and the expansion joint is made of 304 stainless steel and has the functions of expansion with heat and contraction with cold.
The cold/heat medium inlet and the safety interface are arranged at two ends of the shell along the axial direction of the shell, and the cold/heat medium outlet and the safety interface are symmetrically arranged at the same end of the shell along the radial direction of the shell.
The utility model discloses a heat exchanger, including outer tube side, cold/hot medium inlet, first spoiler, outer tube side, the cold/hot medium inlet sets up first spoiler, first spoiler comprises the spoiler, the spoiler is stainless steel, and adjacent the spoiler is fixed together alternately, and when cold/hot medium got into cold/hot medium inlet, cold/hot medium flowed in along flow direction an and flow direction b outer tube side slows down the impact of cold/hot medium to the medium pipe.
The inner tube pass comprises an outer tube plate and the medium tubes, the outer tube plate is a circular plate made of stainless steel, and the outer tube plate is correspondingly provided with round holes with the same number as the medium tubes, so that the medium tubes can penetrate through the round holes and can fix the medium tubes; the medium pipe is a hollow round pipe made of austenitic stainless steel, and the medium pipe is arranged in the outer pipe pass.
The spiral flow divider is arranged in the medium pipe, the spiral flow divider is composed of flow dividing bodies, the flow dividing bodies are adjacent to each other and are welded, each flow dividing body comprises a first plate section and a second plate section, two ends of the spiral flow divider are flush with the end face of the medium pipe and welded in the medium pipe, a certain gap is reserved between the two ends of the spiral flow divider and the inner wall of the medium pipe, when a medium flows into the medium pipe, the medium is continuously sheared by the first plate sections and the second plate sections of the spiral flow divider, the molecular weight of the medium is changed, and the medium flows towards a medium outlet in a spiral shape.
All materials in contact with the medium of the spiral shunting sanitary heat exchanger are made of austenitic stainless steel materials, and the spiral shunting sanitary heat exchanger is polished, so that the spiral shunting sanitary heat exchanger is non-toxic, free of precipitation, corrosion resistant, high temperature resistant and free of retention, and meets the requirement of sanitary.
Compared with the prior art, the invention has the advantages that:
1. the medium enters the medium pipe, the spiral flow divider divides the medium into two parts and continuously cuts the medium, the molecular weight of the medium is changed, the medium circulates spirally, heat exchange is easier, and the medium is prevented from being detained to form dead angles.
2. A first flow-disturbing device is provided at the inlet of the cold/hot medium to reduce the impact of pressure on the tube pass and change the flow direction of the medium to make the medium flow sufficiently to prevent the formation of a stagnation region.
3. A second spoiler and a baffle plate are arranged in the outer tube pass to change the flow direction of the cold/heat medium so that the cold/heat medium spirally flows along the baffle plate to prevent the cold/heat medium from forming a retention area.
4. The expansion joint is arranged on the shell, so that the heat exchanger is prevented from being damaged by high temperature difference, and the service life of the heat exchanger is prolonged.
5. All materials in contact with the medium are made of austenite stainless steel materials which are non-toxic, free of precipitation, corrosion resistant and high temperature resistant, and are polished, ground and passivated, so that the sanitary requirement is met.
Drawings
Fig. 1 is a block diagram of a shear-type spiral-split sanitary heat exchanger according to the present invention.
FIG. 2 is a schematic diagram of the shearing configuration of the spiral flow diverter of the shear type spiral flow diverter sanitary heat exchanger of the present invention.
FIG. 3 is a front view of the spiral flow diverter of the shear type spiral diverter sanitary heat exchanger of the present invention.
Fig. 4 is a perspective view of a first flow disrupter of the shear-type spiral-split sanitary heat exchanger of the present invention.
Fig. 5 is a perspective view of a baffle of the shear-type spiral-split sanitary heat exchanger of the present invention.
Wherein:
1. casing 2, expansion joint 3, safety interface
4. Cooling/heating medium inlet 5, cooling/heating medium outlet 6, inner pipe plate
7. Outer pipe plate 8, medium pipe 9 and spiral shunt
10. First spoiler 11, second spoiler 12, baffle plate
13. Media inlet 14, media outlet 15, first plate cross-section
16. Second plate section 17, outer tube pass 18, inner tube pass
19. Spoiler 20, spiral plate 21, clip hole
22. Baffle inner side 23, baffle outer side 24, and flow splitter
Detailed Description
The present invention will be described in further non-limiting detail with reference to the following preferred embodiments and accompanying drawings.
As shown in fig. 1, a shear type spiral flow-dividing sanitary heat exchanger includes an outer tube side 17 and an inner tube side 18 disposed in the outer tube side 17, and according to the preferred embodiment of the present invention, the heat exchanger, also called heat exchanger, is a device for transferring part of heat of hot fluid to cold fluid, and is widely used in chemical, petroleum, food and other industrial sectors, and occupies an important place in production, and can be used for both heating medium and cooling medium.
The outer tube pass 17 comprises a shell 1 and an inner tube plate 6, wherein a second spoiler 11 and a baffle plate 12 are arranged in the shell 1, an expansion joint 2 is arranged in the middle of the shell 1, a cold/heat medium inlet 4, a cold/heat medium outlet 5 and a safety connector 3 are arranged at two ends of the shell, and a first spoiler 10 is arranged in the cold/heat medium inlet 4.
Casing 1 is the hollow cylinder that 304 stainless steel made, thereby casing 1 both ends and interior tube sheet 6 welding form outer tube side 17 as an organic whole, and is concrete, correspond on interior tube sheet 6 and offer a plurality of round holes (not shown) that supply medium pipe 8 to pass to play the fixed action to medium pipe 8, no clearance between medium pipe 8 and the round hole, the medium that makes circulation in interior tube side 18 and the interior cold/hot medium of circulation of outer tube side 17 are mediated and do not communicate with each other, avoid the medium pollution.
The second spoiler 11 is made of 304 stainless steel and has good corrosion resistance, and the second spoiler 11 is arranged in two ends of the shell 1, so that the flowing dead angle of cold and hot media is reduced.
As shown in fig. 1 and 5, the baffle plate 12 is a spiral plate 20 made of 304 stainless steel, the inner side 22 of the baffle plate is provided with a plurality of clamping holes 21, the baffle plate 12 is wound and clamped on the medium pipe 8 through the clamping holes 21, and the outer side 23 of the baffle plate is tightly contacted with the inner wall of the shell 1, so that the cold/hot medium circulates in the outer pipe pass 17 along the baffle plate 12 in a spiral shape.
The expansion joint 2 is arranged in the middle of the shell 1 and is connected into a whole by welding, and the expansion joint 2 is made of 304 stainless steel materials, has the functions of expansion with heat and contraction with cold and has good corrosion resistance.
The cooling/heating medium inlet 4 and the safety port 3 are provided at both ends of the casing 1 in the axial direction of the casing 1, and the cooling/heating medium outlet 5 and the safety port 3 are provided at the same end of the casing 1 in the radial direction of the casing 1.
As shown in fig. 1 and 4, the cooling/heating medium inlet 4 is provided with a first spoiler 10, the first spoiler 10 is composed of 304 stainless steel spoilers 12, the adjacent spoilers 12 are fixed together in a crossing manner, and when the cooling/heating medium enters the cooling/heating medium inlet 4, the cooling/heating medium flows into the outer tube side 17 in the flow direction a and the flow direction b, and the impact of the cooling/heating medium on the medium tube 8 is alleviated.
As shown in fig. 1, the inner tube pass 18 includes an outer tube plate 7 and a medium tube 8, the outer tube plate 7 is a circular plate made of stainless steel, and the outer tube plate 7 is correspondingly provided with circular holes having the same number as the medium tubes 8, so that the medium tubes 8 can pass through the circular holes and fix the medium tubes 8; the medium pipe 8 is a hollow round pipe made of austenitic stainless steel, and the medium pipe 8 is arranged in the outer pipe pass 17.
As shown in fig. 2 and 3, a spiral flow divider 9 is arranged in the medium pipe 8, the spiral flow divider 9 is composed of a stainless steel flow divider 24, the flow divider 24 includes a first plate section 15 and a second plate section 16, adjacent flow dividers 24 are welded together in a cross manner, two ends of the spiral flow divider 8 are flush with the end surface of the medium pipe 8 and welded in the medium pipe 8, and have a certain gap with the inner pipe wall of the medium pipe 8, when the medium flows into the medium pipe 8, the medium is continuously sheared by the first plate section 15 and the second plate section 16 of the spiral flow divider 9, the molecular weight of the medium is changed, and the medium flows spirally towards the medium outlet 14.
The working process of the shear type spiral diversion sanitary heat exchanger is as follows: the heat exchange between the medium and the cold/hot medium occurs between the inner tube pass 18 and the outer tube pass 17, the medium enters the medium tube 8 from the medium inlet 13 and flows towards the medium outlet 14, in the medium flowing process, the spiral flow divider 9 can cut the medium into two parts and continues to cut by analogy, the molecular weight of the medium is changed, the medium is easier to exchange heat, and the medium flows spirally in the medium tube 8, so that a tube wall retention area is prevented from being formed;
the cold/hot medium flows into the outer tube pass 17 through the cold/hot medium inlet 4, the first spoiler 10 has buffering and shunting functions on the cold/hot medium, the cold/hot medium flows into the outer tube pass 17 along the two flow directions of a and b, the cold/hot medium enters the outer tube pass 17 and is subjected to the shunting function of the second spoiler 11 and flows towards the front cold/hot medium outlet 5 along the spiral direction of the baffle plate 12 and passes through the shunting function of the second spoiler 11 again, so that the flow direction of the cold/hot medium is variable, the flow is more complete, a detention area is prevented from being formed, and the cold/hot medium flows out of the outer tube pass 17 through the cold/hot medium outlet 5;
during the process that the medium flows from the medium inlet 13 to the medium outlet 14 through the medium pipe 8, the cooling/heating medium flows into the outer pipe pass 17 from the cooling/heating medium inlet 4 and flows out of the outer pipe pass 17 from the cooling/heating medium outlet 5, heat exchange between the medium and the cooling/heating medium is continuously performed.
The invention has the beneficial effects that:
1. the medium enters the medium pipe, is divided into two parts by the spiral flow divider and is continuously sheared, the molecular weight of the medium is changed, the medium circulates spirally, dead angles formed by detained medium are prevented, the medium is easier to exchange heat, and the heat exchange efficiency is improved.
2. A first flow-disturbing device is provided at the inlet of the cooling/heating medium to reduce the impact of pressure on the medium pipe and the housing and to change the flow direction of the medium to make the cooling/heating medium flow sufficiently to prevent the formation of a stagnation region.
3. The tube pass is provided with the second spoiler and the baffle plate, so that the cold/heat medium flow circulates in the outer tube pass in a spiral shape, a detention area is prevented from being formed, the cold/heat medium flow is more complete, and the heat exchange efficiency is improved.
4. The expansion joint is arranged on the shell, so that the heat exchanger is prevented from being damaged by high temperature difference, and the service life of the heat exchanger is prolonged.
5. All materials in contact with the medium are made of austenite stainless steel materials which are non-toxic, free of precipitation, corrosion resistant and high temperature resistant, and are polished, ground and passivated, so that the sanitary requirement is met.
It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A shear-type spiral-split sanitary heat exchanger comprising an outer tube pass (17) and an inner tube pass (18) disposed in the outer tube pass (17), characterized in that: the spiral flow divider is characterized in that a first flow divider (10), a second flow divider (11) and a baffle plate (12) are arranged in the outer tube side (17), the inner tube side (18) comprises a plurality of medium tubes (8) for medium circulation, and spiral flow dividers (9) are arranged in the medium tubes (8).
2. The shear-type spiral split sanitary heat exchanger of claim 1, wherein: the spiral flow divider is composed of a flow dividing body (24) comprising a first plate section (15) and a second plate section (16).
3. The shear-type spiral split sanitary heat exchanger of claim 1, wherein: two ends of the spiral flow divider (9) are fixed in the medium pipe (8), and a gap is reserved between the spiral flow divider and the inner pipe wall of the medium pipe (8).
4. The shear-type spiral split sanitary heat exchanger of claim 1, wherein: the outer tube pass (17) comprises a shell (1), a cooling/heating medium inlet (4) is formed in the shell (1), and the first spoiler (10) is installed in the cooling/heating medium inlet (4).
5. The shear-type spiral split sanitary heat exchanger of claim 4, wherein: the first spoiler (10) comprises spoilers (19), and the spoilers (19) are fixed in a crossed manner.
6. The shear-type spiral split sanitary heat exchanger of claim 4, wherein: the second spoiler (11) is arranged at two ends of the shell (1).
7. The shear-type spiral split sanitary heat exchanger of claim 4, wherein: the shell (1) is internally provided with the baffle plate (12), and the baffle plate (12) is spiral.
8. The shear-type spiral flow splitting sanitary heat exchanger of any one of claims 4 to 7, wherein: an expansion joint (2) is arranged on the shell (1).
9. The shear-type spiral split sanitary heat exchanger of claim 4, wherein: the outer tube side (17) comprises an inner tube plate (6), and the inner tube plate (6) is connected with the shell (1).
10. The shear-type spiral split sanitary heat exchanger of claim 1, wherein: the inner tube pass (18) comprises an outer tube plate (7), and the medium tube (8) is fixed on the outer tube plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010116516.8A CN111271990A (en) | 2020-02-25 | 2020-02-25 | Shear type spiral diversion sanitary heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010116516.8A CN111271990A (en) | 2020-02-25 | 2020-02-25 | Shear type spiral diversion sanitary heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111271990A true CN111271990A (en) | 2020-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010116516.8A Pending CN111271990A (en) | 2020-02-25 | 2020-02-25 | Shear type spiral diversion sanitary heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111271990A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113120907A (en) * | 2021-04-23 | 2021-07-16 | 北京环宇京辉京城气体科技有限公司 | High-purity carbon dioxide purification device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435670A (en) * | 2008-12-09 | 2009-05-20 | 华中科技大学 | Longitudinal disturbed flow shell and tube hear exchanger |
| CN201917265U (en) * | 2010-12-30 | 2011-08-03 | 一重集团大连设计研究院有限公司 | Spoiling device at shell side inlet of heat exchanger |
| CN204115518U (en) * | 2014-02-14 | 2015-01-21 | 潘天银 | Heat exchanger |
| CN105466084A (en) * | 2016-01-08 | 2016-04-06 | 珠海格力电器股份有限公司 | Evaporator and air conditioner comprising same |
| CN207797781U (en) * | 2018-01-31 | 2018-08-31 | 四川普思瑞新材料有限公司 | A kind of horizontal shell and tube water cooler |
| CN208635614U (en) * | 2018-05-30 | 2019-03-22 | 郑州恒之博新能源科技有限公司 | A kind of shell side formula condenser of high efficient heat exchanging |
| CN209295735U (en) * | 2018-12-03 | 2019-08-23 | 北京广厦环能科技股份有限公司 | A kind of heat exchanger |
-
2020
- 2020-02-25 CN CN202010116516.8A patent/CN111271990A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435670A (en) * | 2008-12-09 | 2009-05-20 | 华中科技大学 | Longitudinal disturbed flow shell and tube hear exchanger |
| CN201917265U (en) * | 2010-12-30 | 2011-08-03 | 一重集团大连设计研究院有限公司 | Spoiling device at shell side inlet of heat exchanger |
| CN204115518U (en) * | 2014-02-14 | 2015-01-21 | 潘天银 | Heat exchanger |
| CN105466084A (en) * | 2016-01-08 | 2016-04-06 | 珠海格力电器股份有限公司 | Evaporator and air conditioner comprising same |
| CN207797781U (en) * | 2018-01-31 | 2018-08-31 | 四川普思瑞新材料有限公司 | A kind of horizontal shell and tube water cooler |
| CN208635614U (en) * | 2018-05-30 | 2019-03-22 | 郑州恒之博新能源科技有限公司 | A kind of shell side formula condenser of high efficient heat exchanging |
| CN209295735U (en) * | 2018-12-03 | 2019-08-23 | 北京广厦环能科技股份有限公司 | A kind of heat exchanger |
Non-Patent Citations (3)
| Title |
|---|
| 李世玉等: "《压力容器设计工程师培训教程》", 31 October 2005, 新华出版社 * |
| 毛希澜等: "《换热器设计》", 30 April 1988, 上海科学技术出版社 * |
| 王沛等: "《制药原理与设备 第2版》", 31 January 2019, 上海科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113120907A (en) * | 2021-04-23 | 2021-07-16 | 北京环宇京辉京城气体科技有限公司 | High-purity carbon dioxide purification device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200612 |
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| RJ01 | Rejection of invention patent application after publication |