CN114748976A - Medical oxygen generator with self-cleaning active carbon adsorption layer - Google Patents
Medical oxygen generator with self-cleaning active carbon adsorption layer Download PDFInfo
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- CN114748976A CN114748976A CN202210501746.5A CN202210501746A CN114748976A CN 114748976 A CN114748976 A CN 114748976A CN 202210501746 A CN202210501746 A CN 202210501746A CN 114748976 A CN114748976 A CN 114748976A
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- adsorption layer
- carbon adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
- B01D53/053—Pressure swing adsorption with storage or buffer vessel
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/116—Molecular sieves other than zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0046—Nitrogen
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses a medical oxygen generator with a self-cleaning active carbon adsorption layer, which comprises a box body, wherein an installation space and a working space are arranged in the box body, a partition plate is arranged between the installation space and the working space, a nitrogen-oxygen molecular sieve is arranged in the installation space, the molecular sieve is connected with an oxygen storage tank, the oxygen storage tank is communicated with an oxygen output pipe, and the oxygen output pipe penetrates through the box body; the molecular sieve is also connected with a nitrogen discharge pipe, the nitrogen-oxygen molecular sieve is used for separating oxygen and nitrogen, wherein the oxygen is stored for normal use, the nitrogen is discharged into a natural space, the air flow generated by the nitrogen is used for driving the fan blades to rotate when the nitrogen is discharged, and the scraper blade is driven by a series of transmissions to perform reciprocating continuous descaling along the surface of the activated carbon adsorption layer, so that the adsorption efficiency of the activated carbon adsorption layer can be effectively improved, and the service life of the activated carbon adsorption layer can be effectively prolonged; and one side demountable installation of scraper blade has the collection box, only need regularly clear up collect the box can, need not the complicated active carbon filter layer of demolising.
Description
Technical Field
The invention belongs to the technical field of medical oxygen generators, and particularly relates to a medical oxygen generator with a self-cleaning active carbon adsorption layer.
Background
A common type of medical oxygen generator is a pressure swing adsorption oxygen generator which adopts a pressure swing adsorption technology to generate oxygen and can extract oxygen from air. The medical oxygen generator is filled with the molecular sieve, the surface area of each gram of the molecular sieve can reach 800-1000 m2/g, under the condition of pressurization, the physical adsorption technology and the desorption technology of the molecular sieve are utilized to adsorb nitrogen in the air, and the unadsorbed oxygen can be collected and purified, so that the oxygen with higher purity can be obtained. In the case of depressurization of the molecular sieve, the previously adsorbed nitrogen is again discharged into the air. When the pressure is increased again, nitrogen can be adsorbed for preparing oxygen;
the active carbon filtering and adsorbing layer for filtering generally needs to be replaced once in 6-9 months in maintenance, can be taken out periodically at ordinary times, is exposed to the sun, can remove peculiar smell and prolong the service life of the active carbon filtering and adsorbing layer, but the effect is always weaker and weaker, the main reason is that dust and dirt are easily accumulated on one side of the active carbon filtering and adsorbing layer, which is in contact with the outside air, and the adsorption efficiency of the active carbon filtering and adsorbing layer is greatly reduced.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a medical oxygen generator with a self-cleaning activated carbon adsorption layer.
The technical scheme adopted by the invention is as follows:
a medical oxygen generator with an active carbon adsorption layer capable of being automatically cleaned comprises a box body, wherein an installation space and a working space are arranged in the box body, a partition plate is arranged between the installation space and the working space, a nitrogen-oxygen molecular sieve is arranged in the installation space, the molecular sieve is connected with an oxygen storage tank, the oxygen storage tank is communicated with an oxygen output pipe, and the oxygen output pipe penetrates through the box body; the molecular sieve is also connected with a nitrogen discharge pipe, the nitrogen discharge pipe penetrates through the partition plate, and one end of the nitrogen discharge pipe, which is positioned in the working space, penetrates through the box body and is communicated with the outside; an air compressor is arranged in the working space and is communicated with the molecular sieve through a pipeline penetrating through the partition plate; one side of air compressor machine is equipped with the air inlet, the air inlet is located on one side inner wall of working space, the air inlet pass through the pipeline with the air compressor machine intercommunication, the air inlet is equipped with the activated carbon adsorption layer with the junction of pipeline, the activated carbon adsorption layer with be equipped with the scraper blade between the air inlet.
Preferably, two ends of the scraping plate are respectively provided with a sliding chute, one sliding chute is fixed on the partition plate, and the other sliding chute is fixed on the box body; the scraper slides between the two sliding chutes.
Preferably, one end of the air inlet close to the scraper is made of an elastic wear-resistant material, and one end of the air inlet close to the scraper is in close contact with the scraper and/or the activated carbon adsorption layer.
Preferably, one end of the scraper is fixedly provided with a connecting block, the connecting block is rotatably provided with a driving rod, one end of the driving rod, which is far away from the connecting block, is rotatably provided with a driving rod, one end of the driving rod, which is far away from the driving rod, is fixedly arranged on a rotating shaft, and the rotating shaft is rotatably connected with the inner wall of one side of the working space.
Preferably, a fan cover is arranged at the joint of the nitrogen outlet pipe penetrating through the box body, the fan cover is fixedly connected with the inner wall of one side of the working space, the fan cover is conical, and the diameter of the fan cover increases progressively towards the side close to the inner wall of the working space.
Preferably, a grid plate is arranged in the fan housing and fixedly connected with the fan housing, air holes are formed in the grid plate, and air is allowed to pass through the grid plate.
Preferably, the rotating shaft penetrates through the box body, one end of the rotating shaft is located in the working space, the other end of the rotating shaft is located in an external space, a transmission belt wheel is fixedly arranged at one end of the rotating shaft located in the external space, the transmission belt wheel is in transmission connection with a driving belt wheel through a synchronous belt, the driving belt wheel is fixedly arranged on the rotating shaft, the rotating shaft is rotatably arranged on the grid plate, and fan blades are fixedly arranged at one end of the rotating shaft, which is far away from the driving belt wheel.
Preferably, one end of the box body is provided with a support leg, and the height of the support leg is greater than the length of the rotating shaft at one end of the external space.
Preferably, two sides of the air compressor are respectively provided with one air inlet, and the two air inlets are symmetrical with each other about the center of the air compressor.
Preferably, a mounting groove is formed in a sliding groove fixed on the box body, the mounting groove is embedded in the box body, and a collecting box is detachably mounted in the mounting groove.
The beneficial effects of the invention are as follows: the medical oxygen generator with the self-cleaning active carbon adsorption layer utilizes the nitrogen-oxygen molecular sieve to separate oxygen and nitrogen, wherein the oxygen is stored and normally used, the nitrogen is discharged into a natural space, airflow generated by the nitrogen is utilized to drive the fan blades to rotate when the nitrogen is discharged, and the scraper blade is driven by a series of transmissions to perform reciprocating continuous descaling along the surface of the active carbon adsorption layer, so that the adsorption efficiency and the service life of the active carbon adsorption layer can be effectively improved; and one side demountable installation of scraper blade has the collection box, only need regularly clear up collect the box can, need not the complicated active carbon filter layer of demolising, easy operation is swift, convenient and practical.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 taken along the line A-A;
fig. 3 is an enlarged structural view of the invention at B of fig. 1.
Detailed Description
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 embodiments. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration only, not by way of limitation, i.e., the embodiments described are intended as a selection of the best mode contemplated for carrying out the invention, not as a full mode. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The following describes a specific embodiment of the present invention with reference to fig. 1 to 3, and a medical oxygen generator with a self-cleaning activated carbon adsorption layer, which includes a box body 11, wherein an installation space 12 and a working space 26 are provided in the box body 11, a partition plate 23 is provided between the installation space 12 and the working space 26, a nitrogen-oxygen molecular sieve is provided in the installation space 12, the molecular sieve is connected to an oxygen storage tank, the oxygen storage tank is communicated with an oxygen output pipe, and the oxygen output pipe penetrates through the box body 11; the molecular sieve is also connected with a nitrogen discharge pipe, the nitrogen discharge pipe penetrates through the partition plate 23, and one end of the nitrogen discharge pipe, which is positioned in the working space 26, penetrates through the box body 11 and is communicated with the outside; an air compressor 22 is arranged in the working space 26, and the air compressor 22 is communicated with the molecular sieve through a pipeline penetrating through the partition plate 23; one side of air compressor machine 22 is equipped with air inlet 14, air inlet 14 is located on one side inner wall of workspace 26, air inlet 14 pass through the pipeline with air compressor machine 22 intercommunication, the junction of air inlet 14 and pipeline is equipped with activated carbon adsorption layer 17, activated carbon adsorption layer 17 with be equipped with scraper blade 16 between the air inlet 14.
Advantageously, two sliding grooves 15 are respectively provided at the two ends of said scraper 16, wherein one of said sliding grooves 15 is fixed on said partition 23, and the other sliding groove 15 is fixed on said box body 11; the scraper 16 slides between the two runners 15.
Advantageously, the end of the air inlet 14 close to the scraper 16 is made of an elastic wear-resistant material, and the end of the air inlet 14 close to the scraper 16 is in close contact with the scraper 16 and/or the activated carbon adsorption layer 17.
Advantageously, a connecting block 18 is fixedly arranged at one end of the scraper 16, a driving rod 28 is rotatably arranged on the connecting block 18, a driving rod 19 is rotatably arranged at one end of the driving rod 28 far away from the connecting block 18, one end of the driving rod 19 far away from the driving rod 28 is fixedly arranged on a rotating shaft 21, and the rotating shaft 21 is rotatably connected with one side inner wall of the working space 26.
Beneficially, a fan housing 27 is arranged at a connection position where the nitrogen gas outlet pipe penetrates through the box body 11, the fan housing 27 is fixedly connected with the inner wall of one side of the working space 26, the fan housing 27 is conical, and the diameter of the fan housing 27 increases gradually towards the side close to the inner wall of the working space 26.
Advantageously, a grid plate 30 is arranged inside the fan housing 27, the grid plate 30 is fixedly connected with the fan housing 27, the grid plate 30 is provided with air holes, and the grid plate 30 allows air to pass through.
Beneficially, the rotating shaft 21 penetrates through the box body 11, one end of the rotating shaft 21 is located in the working space 26, the other end of the rotating shaft 21 is located in the external space, a driving pulley 20 is fixedly arranged at one end of the rotating shaft 21 located in the external space, the driving pulley 20 is in transmission connection with a driving pulley 31 through a synchronous belt 32, the driving pulley 31 is fixedly arranged on a rotating shaft 33, the rotating shaft 33 is rotatably arranged on the grid plate 30, and a fan blade 29 is fixedly arranged at one end of the rotating shaft 33 far away from the driving pulley 31.
Advantageously, one end of the box 11 is provided with a leg having a height greater than the length of the rotating shaft 21 at the end located in the external space.
Advantageously, one air inlet 14 is provided on each side of the air compressor 22, and the two air inlets 14 are symmetrical to each other about the center of the air compressor 22.
Advantageously, a mounting groove is provided in the sliding groove 15 fixed to the box body 11, said mounting groove being embedded inside the box body 11, and a collection box is detachably mounted in said mounting groove.
The using method of the invention comprises the following steps:
the air compressor 22 is started, air enters the nitrogen-oxygen molecular sieve along the air inlets 14 at two sides, oxygen is collected in the oxygen storage tank, and nitrogen is discharged to the external space from the bottom of the box body 11 through the grid plate 30 at the air hood 27;
When nitrogen is discharged, airflow is formed, the airflow blows the fan blades 29 to rotate, the fan blades 29 drive the rotating shaft 33 to rotate, the driving belt wheel 31 rotates along with the rotating shaft 33, the driving belt wheel 31 drives the driving belt wheel 20 through the synchronous belt 32, the driving belt wheel 20 drives the rotating shaft 21 to rotate, the driving rod 19 rotates along with the rotating shaft 21, the connecting block 18 is driven to move under the action of the driving rod 28, and the scraper 16 slides along the chute 15 along with the connecting block 18;
the portion of the blade 16 in contact with the air inlet 14 deforms the air inlet 14; the part of the scraper 16 which is not in contact with the air inlet 14 is not deformed and is continuously attached to the activated carbon adsorption layer 17, and dust and dirt on the activated carbon adsorption layer 17 are scraped off by the scraper 16;
the dust and dirt fall into the collecting box, and the collecting box is replaced regularly, so that the adsorption efficiency and the service life of the activated carbon adsorption layer 17 can be ensured.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing is merely illustrative and explanatory of the present invention and various modifications, additions or substitutions may be made to the specific embodiments described by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a medical oxygenerator of active carbon adsorption layer automatically cleaning which characterized in that: the oxygen storage tank is communicated with an oxygen output pipe, and the oxygen output pipe penetrates through the box body; the molecular sieve is also connected with a nitrogen discharge pipe, the nitrogen discharge pipe penetrates through the partition plate, and one end of the nitrogen discharge pipe, which is positioned in the working space, penetrates through the box body and is communicated with the outside; an air compressor is arranged in the working space and is communicated with the molecular sieve through a pipeline penetrating through the partition plate; one side of air compressor machine is equipped with the air inlet, the air inlet is located on one side inner wall of working space, the air inlet pass through the pipeline with the air compressor machine intercommunication, the air inlet is equipped with the activated carbon adsorption layer with the junction of pipeline, the activated carbon adsorption layer with be equipped with the scraper blade between the air inlet.
2. The medical oxygen generator with the self-cleaning active carbon adsorption layer as claimed in claim 1, wherein: two ends of the scraping plate are respectively provided with a sliding chute, one sliding chute is fixed on the partition plate, and the other sliding chute is fixed on the box body; the scraper is slid between the two sliding grooves.
3. The medical oxygen generator with the self-cleaning active carbon adsorption layer as claimed in claim 1, wherein: the air inlet is close to the one end of scraper blade is the wear-resisting material of elasticity, the air inlet is close to the one end of scraper blade with the scraper blade and/or active carbon adsorption layer in close contact with.
4. The medical oxygen generator with the self-cleaning active carbon adsorption layer as claimed in claim 3, wherein: the fixed connecting block that is equipped with of one end of scraper blade, it is equipped with the actuating lever to rotate on the connecting block, the actuating lever is kept away from the one end of connecting block is rotated and is equipped with the transfer line, the transfer line is kept away from the one end of actuating lever is fixed to be set up in the axis of rotation, the axis of rotation with one side inner wall of working space rotates the connection.
5. The medical oxygen generator with the self-cleaning active carbon adsorption layer as claimed in claim 4, wherein: the nitrogen gas discharge pipe penetrates through the connecting part of the box body to be provided with a fan cover, the fan cover is fixedly connected with the inner wall of one side of the working space, the fan cover is conical, and the diameter of the fan cover is gradually increased towards the side close to the inner wall of the working space.
6. The medical oxygen generator with the self-cleaning active carbon adsorption layer as claimed in claim 5, wherein: the wind shield is characterized in that a grid plate is arranged inside the wind shield and fixedly connected with the wind shield, air holes are formed in the grid plate, and the grid plate allows air to pass through.
7. The medical oxygen generator with the self-cleaning active carbon adsorption layer as claimed in claim 6, wherein: the axis of rotation runs through the box, the one end of axis of rotation is located in the workspace, the other end of axis of rotation is located external space, the one end that the axis of rotation is located external space is fixed and is equipped with driving pulley, driving pulley passes through the hold-in range and is connected with the drive pulley transmission, the drive pulley is fixed to be set up on the rotation axis, the rotation axis rotates and sets up on the grid board, the rotation axis is kept away from the fixed flabellum that is equipped with of one end of drive pulley.
8. The medical oxygen generator with the self-cleaning active carbon adsorption layer as claimed in claim 7, wherein: and one end of the box body is provided with a supporting leg, and the height of the supporting leg is greater than the length of one end of the rotating shaft, which is located in the external space.
9. The medical oxygen generator with the self-cleaning active carbon adsorption layer as claimed in claim 1, wherein: the two sides of the air compressor are respectively provided with one air inlet, and the two air inlets are mutually symmetrical with the center of the air compressor.
10. The medical oxygen generator with the self-cleaning active carbon adsorption layer as claimed in claim 2, wherein: fix be equipped with the mounting groove in the spout on the box, the mounting groove inlays to be established inside the box, demountable installation has the collection box in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210501746.5A CN114748976A (en) | 2022-05-09 | 2022-05-09 | Medical oxygen generator with self-cleaning active carbon adsorption layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210501746.5A CN114748976A (en) | 2022-05-09 | 2022-05-09 | Medical oxygen generator with self-cleaning active carbon adsorption layer |
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| Publication Number | Publication Date |
|---|---|
| CN114748976A true CN114748976A (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210501746.5A Pending CN114748976A (en) | 2022-05-09 | 2022-05-09 | Medical oxygen generator with self-cleaning active carbon adsorption layer |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207722514U (en) * | 2017-12-13 | 2018-08-14 | 天津中冀源环保科技有限公司 | A kind of paint spray booth emission-control equipment |
| CN208684408U (en) * | 2018-05-21 | 2019-04-02 | 珠海军卫有限公司 | A kind of dust-proof molecular-sieve type oxygen generating plant |
| CN110759318A (en) * | 2019-11-15 | 2020-02-07 | 湖南一特电子医用工程股份有限公司 | Algorithm-based medical oxygen generation equipment with stable performance |
| CN112062093A (en) * | 2020-07-30 | 2020-12-11 | 湖南厚生医疗器械有限公司 | Novel medical oxygen generator |
| CN112145265A (en) * | 2020-09-22 | 2020-12-29 | 吴蜀 | Automobile tail gas treatment equipment |
| CN214287439U (en) * | 2020-10-27 | 2021-09-28 | 宜宾华洁环保工程有限责任公司 | Effluent water sump exhaust treatment device |
| CN113521908A (en) * | 2021-06-03 | 2021-10-22 | 江苏互竑生物医学有限公司 | Air filtering device of medical oxygen generator |
| CN214715492U (en) * | 2021-01-28 | 2021-11-16 | 泰州绿水青山环保科技有限公司 | Efficient active carbon adsorption tower |
| CN113926754A (en) * | 2021-11-04 | 2022-01-14 | 江西神州龙气体科技有限公司 | Air dryer with air purification device |
| CN215667149U (en) * | 2021-08-19 | 2022-01-28 | 山东航和医疗设备有限公司 | Molecular sieve type oxygen generator with hollow fiber membrane |
| WO2022036645A1 (en) * | 2020-08-20 | 2022-02-24 | 惠州市集迅电子有限公司 | Molecular sieve oxygenator and molecular sieve device thereof |
| CN215901135U (en) * | 2021-08-12 | 2022-02-25 | 福建创世纪铝业有限公司 | Exhaust device is used in aluminium bar processing |
| CN216077514U (en) * | 2021-08-17 | 2022-03-18 | 山东桑霸能源科技有限公司 | Novel air pre-filter for air compressor |
-
2022
- 2022-05-09 CN CN202210501746.5A patent/CN114748976A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207722514U (en) * | 2017-12-13 | 2018-08-14 | 天津中冀源环保科技有限公司 | A kind of paint spray booth emission-control equipment |
| CN208684408U (en) * | 2018-05-21 | 2019-04-02 | 珠海军卫有限公司 | A kind of dust-proof molecular-sieve type oxygen generating plant |
| CN110759318A (en) * | 2019-11-15 | 2020-02-07 | 湖南一特电子医用工程股份有限公司 | Algorithm-based medical oxygen generation equipment with stable performance |
| CN112062093A (en) * | 2020-07-30 | 2020-12-11 | 湖南厚生医疗器械有限公司 | Novel medical oxygen generator |
| WO2022036645A1 (en) * | 2020-08-20 | 2022-02-24 | 惠州市集迅电子有限公司 | Molecular sieve oxygenator and molecular sieve device thereof |
| CN112145265A (en) * | 2020-09-22 | 2020-12-29 | 吴蜀 | Automobile tail gas treatment equipment |
| CN214287439U (en) * | 2020-10-27 | 2021-09-28 | 宜宾华洁环保工程有限责任公司 | Effluent water sump exhaust treatment device |
| CN214715492U (en) * | 2021-01-28 | 2021-11-16 | 泰州绿水青山环保科技有限公司 | Efficient active carbon adsorption tower |
| CN113521908A (en) * | 2021-06-03 | 2021-10-22 | 江苏互竑生物医学有限公司 | Air filtering device of medical oxygen generator |
| CN215901135U (en) * | 2021-08-12 | 2022-02-25 | 福建创世纪铝业有限公司 | Exhaust device is used in aluminium bar processing |
| CN216077514U (en) * | 2021-08-17 | 2022-03-18 | 山东桑霸能源科技有限公司 | Novel air pre-filter for air compressor |
| CN215667149U (en) * | 2021-08-19 | 2022-01-28 | 山东航和医疗设备有限公司 | Molecular sieve type oxygen generator with hollow fiber membrane |
| CN113926754A (en) * | 2021-11-04 | 2022-01-14 | 江西神州龙气体科技有限公司 | Air dryer with air purification device |
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