CN214809661U - Pneumatic balancing device of medical molecular sieve oxygen generation system - Google Patents
Pneumatic balancing device of medical molecular sieve oxygen generation system Download PDFInfo
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- CN214809661U CN214809661U CN202121521026.2U CN202121521026U CN214809661U CN 214809661 U CN214809661 U CN 214809661U CN 202121521026 U CN202121521026 U CN 202121521026U CN 214809661 U CN214809661 U CN 214809661U
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Abstract
The utility model belongs to the technical field of molecular sieve type oxygen generators, in particular to a pneumatic balancing device of a medical molecular sieve oxygen generation system, which provides a proposal that comprises a mounting plate, wherein a first oxygen generation molecular sieve tower and a second oxygen generation molecular sieve tower are symmetrically arranged on the mounting plate, a pressure equalizing component for equalizing the air pressure inside the first oxygen generation molecular sieve tower and the second oxygen generation molecular sieve tower is arranged between the first oxygen generation molecular sieve tower and the second oxygen generation molecular sieve tower, the top parts of the first oxygen generation molecular sieve tower and the second oxygen generation molecular sieve tower are respectively and fixedly connected with a second oxygen discharge pipe and a first oxygen discharge pipe, the utility model has simple structure and convenient use, and the pressure equalizing component is arranged to equalize the air in the oxygen generation molecular sieve towers, thereby improving the pressure equalizing performance of the medical molecular sieve oxygen generation system, preventing the molecular sieve from being damaged instantly when the air pressure is larger, thereby improving the efficiency of producing oxygen.
Description
Technical Field
The utility model relates to a molecular sieve formula oxygenerator technical field especially relates to medical molecular sieve system air-operated balance device.
Background
The molecular sieve type oxygen generator generally adopts a pressure adsorption normal pressure desorption method, and two adsorption towers respectively carry out the same circulation process, thereby realizing continuous gas supply. The process comprises two towers, wherein raw material air is pressurized by a compressor, then solid impurities such as oil, dust and the like and water are removed through an air pretreatment device, the raw material air is cooled to normal temperature, the treated compressed air enters an adsorption tower filled with a molecular sieve through an air inlet valve, nitrogen, carbon dioxide and the like in the air are adsorbed, and the effluent gas is high-purity oxygen.
The pneumatic balance device of the conventional medical molecular sieve oxygen generator is simple in arrangement, only one communicating pipeline and one electromagnetic valve are connected, the electromagnetic valve is used for controlling the opening and closing of ventilation, and the air flow is easy to cause molecular sieve damage in the moment when the air pressure is high, so that the impact on the molecular sieve is high, and the pneumatic balance device of the medical molecular sieve oxygen generator system is provided for solving the problems.
Disclosure of Invention
The utility model aims at solving the problem that the pneumatic balance device of the medical molecular sieve oxygen generator in the prior art has poor air pressure balance effect, and the air quantity easily causes the molecular sieve to be damaged in the twinkling of an eye when the air pressure is great, thereby impacting the great defect of the molecular sieve result and providing the pneumatic balance device of the medical molecular sieve oxygen generator system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the pneumatic balance device of the medical molecular sieve oxygen generation system comprises a mounting plate, wherein a first oxygen generation molecular sieve tower and a second oxygen generation molecular sieve tower are symmetrically arranged on the mounting plate, a pressure equalizing assembly for equalizing the air pressure in the first oxygen generation molecular sieve tower and the second oxygen generation molecular sieve tower is arranged between the first oxygen generation molecular sieve tower and the second oxygen generation molecular sieve tower, the top parts of the first oxygen generation molecular sieve tower and the second oxygen generation molecular sieve tower are respectively and fixedly connected with a second oxygen discharge pipe and a first oxygen discharge pipe, the bottom parts of the first oxygen generation molecular sieve tower and the second oxygen generation molecular sieve tower are respectively and fixedly connected with a first air inlet pipe and a second air inlet pipe in a penetrating way, the bottom parts of the first air inlet pipe and the second air inlet pipe are fixedly connected with the same conduit, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve are symmetrically arranged on the conduit, and are positioned on two sides of the first air inlet pipe, and the third electromagnetic valve and the fourth electromagnetic valve are positioned at two sides of the second air inlet pipe.
Preferably, the bottom of the conduit is fixedly connected with a connecting pipe, and the outer wall of the bottom of the connecting pipe is provided with connecting threads.
Preferably, silencers are fixedly arranged at both ends of the conduit.
Preferably, the pressure equalizing assembly comprises a first connecting box and a second connecting box which are fixedly connected with the outer walls of the adjacent sides of the first oxygen-making molecular sieve tower and the second oxygen-making molecular sieve tower respectively, one sides of the first connecting box and the second connecting box which are close to each other are respectively and fixedly connected with a first air pressure pipe and a second air pressure pipe, one side of the first pneumatic tube and one side of the second pneumatic tube which are close to each other are fixedly connected with the same connecting block, the first pneumatic tube and the second pneumatic tube are both provided with a pressure sensor, one end of the second oxygen exhaust tube penetrates through the top of the first connecting box and extends into the first connecting box, one end of the first oxygen discharge pipe extends into the second connection box through the top of the second connection box, one side that first connecting box and second connecting box are close to each other runs through the same gas circuit siphunculus of fixedly connected with, be provided with two second pneumatic valves on the gas circuit siphunculus.
Preferably, the connecting block is provided with a groove, the first connecting box penetrates through the first oxygen output pipe fixedly connected with, one end of the first oxygen output pipe penetrates through the connecting block and extends into the groove, the second connecting box penetrates through the second oxygen output pipe fixedly connected with, one end of the second oxygen output pipe penetrates through the connecting block and extends into the groove, the first oxygen output pipe and the second oxygen output pipe are both provided with first pneumatic valves, and the top end of the fixedly connected with at the bottom of the connecting block extends into the oxygen output main pipe in the groove.
Preferably, a controller is arranged on the first oxygen-making molecular sieve tower, and the controller is electrically connected with the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the pressure sensor, the first pneumatic valve and the second pneumatic valve.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, firstly, the first oxygen-making molecular sieve tower is used for working, when the pressure sensor on the first air pressure pipe detects that the working pressure of the first oxygen-making molecular sieve tower reaches 5.0-6bar, the second electromagnetic valve is automatically closed, the air supply to the first oxygen-making molecular sieve tower is stopped, and the controller can send a signal to the first pneumatic valve on the first oxygen output pipe, after the first pneumatic valve is opened, the oxygen in the first oxygen-making molecular sieve tower is discharged into the first connecting box from the second oxygen discharge pipe, and is discharged into the groove from the first oxygen output pipe, and finally is output by the oxygen output main pipe, when the oxygen discharge in the first oxygen-making molecular sieve tower is completed, the controller opens the second pneumatic valve, the gas in the first oxygen-making molecular sieve tower can go into the second oxygen-making molecular sieve tower, when the working pressures in the first oxygen-making molecular sieve tower and the second oxygen-making molecular sieve tower both reach 2.5-3bar, the controller sends a signal to close the second pneumatic valve, at the moment, the third electromagnetic valve is automatically opened to introduce air into the second oxygen-making molecular sieve tower from the second air inlet pipe, and simultaneously, the first electromagnetic valve is opened to discharge nitrogen in the first oxygen-making molecular sieve tower through the first air inlet pipe and the conduit;
2. in the utility model, when the pressure sensor on the second air pressure pipe detects that the working pressure of the second oxygen-making molecular sieve tower reaches 5.0-6bar, the third electromagnetic valve is closed to stop the air intake of the second oxygen-making molecular sieve tower, the controller can send a signal to the first pneumatic valve on the second oxygen output pipe, at the moment, the oxygen in the second oxygen-making molecular sieve tower enters the second connecting box through the first oxygen discharge pipe, then enters the groove through the second oxygen output pipe, and finally the oxygen output main pipe outputs, when the oxygen discharge in the second oxygen-making molecular sieve tower is completed, the second pneumatic valve is opened, the gas in the second oxygen-making molecular sieve tower can go into the first oxygen-making molecular sieve tower, when the working pressures in the first oxygen-making molecular sieve tower and the second oxygen-making molecular sieve tower reach 2.5-3bar, the controller sends a signal to close the second pneumatic valve, when the second system oxygen molecular sieve tower discharges nitrogen, the first system oxygen molecular sieve tower begins to admit air, so the preparation of oxygen is carried out in the circulation repeatedly.
The utility model discloses simple structure, convenient to use is provided with the pressure-sharing subassembly and carries out the pressure-sharing to the gas in making oxygen molecular sieve tower, has improved medical molecular sieve system's pressure-sharing performance, has prevented that atmospheric pressure from causing the molecular sieve to damage in the twinkling of an eye when great to the efficiency of making oxygen has been improved.
Drawings
Fig. 1 is a schematic view of the pneumatic balance device of the medical molecular sieve oxygen generation system according to the present invention;
fig. 2 is a schematic view of a cross-sectional structure of a balance assembly of the pneumatic balance device of the medical molecular sieve oxygen generation system according to the present invention;
fig. 3 is a schematic three-dimensional structure diagram of the connecting block of the pneumatic balance device of the medical molecular sieve oxygen generation system provided by the utility model.
In the figure: 1. a first oxygen-producing molecular sieve column; 2. a second oxygen-producing molecular sieve column; 3. mounting a plate; 4. a first intake pipe; 5. a first solenoid valve; 6. a muffler; 7. a second solenoid valve; 8. a conduit; 9. a connecting pipe; 10. a third electromagnetic valve; 11. a second intake pipe; 12. a fourth solenoid valve; 13. a first pneumatic valve; 14. a first pneumatic tube; 15. a first oxygen discharge pipe; 16. a second pneumatic tube; 17. a pressure sensor; 18. a second oxygen discharge pipe; 19. a groove; 20. a first connection box; 21. a second connecting box; 22. a controller; 23. an oxygen output manifold; 24. connecting blocks; 25. a gas path through pipe; 26. a second pneumatic valve; 27. a first oxygen output pipe; 28. a second oxygen output pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-3, the pneumatic balance device of the medical molecular sieve oxygen generation system comprises a mounting plate 3, a first oxygen generation molecular sieve tower 1 and a second oxygen generation molecular sieve tower 2 are symmetrically arranged on the mounting plate 3, a pressure equalizing assembly for equalizing the internal air pressure of the first oxygen generation molecular sieve tower 1 and the second oxygen generation molecular sieve tower 2 is arranged between the first oxygen generation molecular sieve tower 1 and the second oxygen generation molecular sieve tower 2, the top of the first oxygen generation molecular sieve tower 1 and the top of the second oxygen generation molecular sieve tower 2 are respectively and fixedly connected with a second oxygen discharge pipe 18 and a first oxygen discharge pipe 15, the bottom of the first oxygen generation molecular sieve tower 1 and the bottom of the second oxygen generation molecular sieve tower 2 are respectively and fixedly connected with a first air inlet pipe 4 and a second air inlet pipe 11, the bottom of the first air inlet pipe 4 and the bottom of the second air inlet pipe 11 are fixedly connected with a same conduit 8, and a first electromagnetic valve 5 and a second electromagnetic valve 7 are symmetrically arranged on the conduit 8, The third electromagnetic valve 10 and the fourth electromagnetic valve 12, the first electromagnetic valve 5 and the second electromagnetic valve 7 are positioned at two sides of the first air inlet pipe 4, and the third electromagnetic valve 10 and the fourth electromagnetic valve 12 are positioned at two sides of the second air inlet pipe 11.
Example two
Referring to fig. 1-3, the pneumatic balance device of the medical molecular sieve oxygen generation system comprises a mounting plate 3, a first oxygen generation molecular sieve tower 1 and a second oxygen generation molecular sieve tower 2 are symmetrically arranged on the mounting plate 3, a pressure equalizing assembly for equalizing the pressure inside the first oxygen generation molecular sieve tower 1 and the second oxygen generation molecular sieve tower 2 is arranged between the first oxygen generation molecular sieve tower 1 and the second oxygen generation molecular sieve tower 2, the pressure equalizing assembly comprises a first connecting box 20 and a second connecting box 21 which are fixedly connected with the outer walls of the adjacent sides of the first oxygen generation molecular sieve tower 1 and the second oxygen generation molecular sieve tower 2 respectively, a first air pressure pipe 14 and a second air pressure pipe 16 are fixedly connected with one side of the first connecting box 20 and one side of the second connecting box 21 which are adjacent to each other respectively, the same connecting block 24 is fixedly connected with one side of the first air pressure pipe 14 and one side of the second air pressure pipe 16 which are adjacent to each other, and pressure sensors 17 are arranged on the first air pressure pipe 14 and the second air pressure pipe 16, one end of the second oxygen discharge pipe 18 penetrates through the top of the first connection box 20 and extends into the first connection box 20, one end of the first oxygen discharge pipe 15 penetrates through the top of the second connection box 21 and extends into the second connection box 21, one side, close to each other, of the first connection box 20 and the second connection box 21 penetrates through and is fixedly connected with the same air passage pipe 25, two second air-operated valves 26 are arranged on the air passage pipe 25, the first connection box 20 penetrates through and is fixedly connected with a first oxygen output pipe 27, one end of the first oxygen output pipe 27 penetrates through the connection block 24 and extends into the groove 19, the second connection box 21 penetrates through and is fixedly connected with a second oxygen output pipe 28, one end of the second oxygen output pipe 28 penetrates through the connection block 24 and extends into the groove 19, the first air-operated valves 13 are arranged on the first oxygen output pipe 27 and the second oxygen output pipe 28, the bottom of the connection block 24 is fixedly connected with an oxygen output main pipe 23 of which the top end extends into the groove 19, the pressure equalizing component can equalize the pressure of the gas in the tower, the pressure equalizing performance of the medical molecular sieve oxygen generation system is improved, and the molecular sieve damage caused by the instant gas amount when the gas pressure is larger is prevented, so that the oxygen generation efficiency is improved, the top parts of the first oxygen generation molecular sieve tower 1 and the second oxygen generation molecular sieve tower 2 are respectively and fixedly connected with a second oxygen discharge pipe 18 and a first oxygen discharge pipe 15, the bottom parts of the first oxygen generation molecular sieve tower 1 and the second oxygen generation molecular sieve tower 2 are respectively and fixedly connected with a first gas inlet pipe 4 and a second gas inlet pipe 11 in a penetrating way, the bottom parts of the first gas inlet pipe 4 and the second gas inlet pipe 11 are fixedly connected with a same conduit 8, the bottom part of the conduit 8 is fixedly connected with a connecting pipe 9, the outer wall at the bottom part of the connecting pipe 9 is provided with connecting threads, the connecting pipe 9 is provided with connecting threads for the quick connection with external gas supply equipment, and the convenience is brought to the connection work, the silencer 6 is fixedly arranged at both ends of the conduit 8, the silencer can effectively eliminate noise generated in the exhaust process, the conduit 8 is symmetrically provided with a first electromagnetic valve 5, a second electromagnetic valve 7, a third electromagnetic valve 10 and a fourth electromagnetic valve 12, the first electromagnetic valve 5 and the second electromagnetic valve 7 are positioned at both sides of the first air inlet pipe 4, the third electromagnetic valve 10 and the fourth electromagnetic valve 12 are positioned at both sides of the second air inlet pipe 11, the controller 22 and the first electromagnetic valve 5, the second electromagnetic valve 7, the third electromagnetic valve 10, the fourth electromagnetic valve 12 and the pressure sensor 17, the first pneumatic valve 13 and the second pneumatic valve 26 are electrically connected, and the controller 22 can better control the first solenoid valve 5, the second solenoid valve 7, the third solenoid valve 10, the fourth solenoid valve 12, the pressure sensor 17, the first pneumatic valve 13 and the second pneumatic valve 26, so that convenience is brought to oxygen production workers.
The working principle is as follows: firstly, the first oxygen-making molecular sieve tower 1 is used for working, when the pressure sensor 17 on the first air pressure pipe 14 detects that the working pressure of the first oxygen-making molecular sieve tower 1 reaches 5.0-6bar, the second electromagnetic valve 7 is automatically closed, the air supply to the first oxygen-making molecular sieve tower 1 is stopped, and the controller 22 sends a signal to the first air valve 13 on the first oxygen output pipe 27, after the first air valve 13 is opened, the oxygen in the first oxygen-making molecular sieve tower 1 is discharged into the first connecting box 20 from the second oxygen discharge pipe 18, the oxygen is discharged into the groove 19 from the first oxygen output pipe 27, and finally the oxygen is output by the oxygen output main pipe 23, when the oxygen discharge in the first oxygen-making molecular sieve tower 1 is completed, the controller 22 opens the second air valve 26, the gas in the first oxygen-making molecular sieve tower 1 can be discharged into the second oxygen-making molecular sieve tower 2, when the working pressures in the first oxygen-making molecular sieve tower 1 and the second molecular sieve tower 2 reach 2 are both 2 to 2.5-3bar, the controller 22 sends a signal to close the second pneumatic valve 26, at this time, the third electromagnetic valve 10 is automatically opened to introduce air into the second oxygen-making molecular sieve tower 2 from the second air inlet pipe 11, and simultaneously, the first electromagnetic valve 5 is opened to discharge nitrogen in the first oxygen-making molecular sieve tower 1 through the first air inlet pipe 4 and the conduit 8; when the pressure sensor 17 on the second air pressure pipe 16 detects that the working pressure of the second oxygen-making molecular sieve tower 2 reaches 5.0-6bar, the third electromagnetic valve 10 is closed to stop air intake to the second oxygen-making molecular sieve tower 2, the controller 22 will send a signal to the first pneumatic valve 13 on the second oxygen output pipe 28, at this time, the oxygen in the second oxygen-making molecular sieve tower 2 enters the second connecting box 21 through the first oxygen output pipe 15, and then enters the groove 19 through the second oxygen output pipe 28, and finally the oxygen output main pipe 23 outputs the oxygen, when the oxygen discharge in the second oxygen-making molecular sieve tower 2 is completed, the second pneumatic valve 26 is opened, the gas in the second oxygen-making molecular sieve tower 2 will go into the first oxygen-making molecular sieve tower 1, when the working pressures in the first oxygen-making molecular sieve tower 1 and the second oxygen-making molecular sieve tower 2 both reach 2.5-3bar, the controller 22 sends a signal to close the second pneumatic valve 26, when 2 rows of nitrogen gas in the second oxygen generation molecular sieve tower, first oxygen generation molecular sieve tower 1 begins to admit air, so the preparation that circulates repeatedly carries out oxygen, the utility model discloses simple structure, convenient to use is provided with the pressure-sharing subassembly and carries out the pressure-sharing to the gas in the oxygen generation molecular sieve tower, has improved medical molecular sieve oxygen generation system's pressure-sharing performance, has prevented that atmospheric pressure from causing the molecular sieve to damage in the twinkling of an eye tolerance when great to the efficiency of making oxygen has been improved.
Of course, as is well known to those skilled in the art, the working principle and the wiring method of the first solenoid valve 5, the second solenoid valve 7, the third solenoid valve 10, the fourth solenoid valve 12, the pressure sensor 17, the first pneumatic valve 13, the second pneumatic valve 26, the first oxygen molecular sieve column 1 and the second oxygen molecular sieve column 2 are all conventional means or common knowledge in the art, and will not be described herein again, and those skilled in the art can make any choice according to their needs or convenience.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The pneumatic balance device of the medical molecular sieve oxygen generation system comprises a mounting plate (3) and is characterized in that a first oxygen generation molecular sieve tower (1) and a second oxygen generation molecular sieve tower (2) are symmetrically arranged on the mounting plate (3), a pressure equalizing assembly for equalizing the internal air pressure of the first oxygen generation molecular sieve tower (1) and the second oxygen generation molecular sieve tower (2) is arranged between the first oxygen generation molecular sieve tower (1) and the second oxygen generation molecular sieve tower (2), the tops of the first oxygen generation molecular sieve tower (1) and the second oxygen generation molecular sieve tower (2) are respectively and fixedly connected with a second oxygen discharge pipe (18) and a first oxygen discharge pipe (15), the bottoms of the first oxygen generation molecular sieve tower (1) and the second oxygen generation molecular sieve tower (2) are respectively and fixedly connected with a first air inlet pipe (4) and a second air inlet pipe (11), and the bottoms of the first air inlet pipe (4) and the second air inlet pipe (11) are fixedly connected with a same conduit (8), the air inlet pipe is characterized in that a first electromagnetic valve (5), a second electromagnetic valve (7), a third electromagnetic valve (10) and a fourth electromagnetic valve (12) are symmetrically arranged on the conduit (8), the first electromagnetic valve (5) and the second electromagnetic valve (7) are located on two sides of the first air inlet pipe (4), and the third electromagnetic valve (10) and the fourth electromagnetic valve (12) are located on two sides of the second air inlet pipe (11).
2. The pneumatic balancing device of the medical molecular sieve oxygen generation system as claimed in claim 1, wherein a connecting pipe (9) is fixedly connected to the bottom of the conduit (8), and a connecting thread is formed on the outer wall of the bottom of the connecting pipe (9).
3. The pneumatic balancing device of the medical molecular sieve oxygen generation system as claimed in claim 1, wherein a silencer (6) is fixedly arranged at both ends of the conduit (8).
4. The pneumatic balance device of the medical molecular sieve oxygen generation system according to claim 1, wherein the pressure equalizing assembly comprises a first connecting box (20) and a second connecting box (21) which are fixedly connected with the outer walls of the adjacent sides of the first oxygen generation molecular sieve tower (1) and the second oxygen generation molecular sieve tower (2), a first air pressure pipe (14) and a second air pressure pipe (16) are fixedly connected with the adjacent sides of the first connecting box (20) and the second connecting box (21), respectively, a same connecting block (24) is fixedly connected with the adjacent sides of the first air pressure pipe (14) and the second air pressure pipe (16), a pressure sensor (17) is arranged on each of the first air pressure pipe (14) and the second air pressure pipe (16), one end of the second oxygen discharge pipe (18) extends into the first connecting box (20) through the top of the first connecting box (20), the top that the one end of first oxygen escape pipe (15) runs through second connecting box (21) extends to in second connecting box (21), one side that first connecting box (20) and second connecting box (21) are close to each other runs through the same gas circuit siphunculus (25) of fixedly connected with, be provided with two second pneumatic valves (26) on gas circuit siphunculus (25).
5. The pneumatic balancing device of a medical molecular sieve oxygen generation system according to claim 4, wherein the connecting block (24) is provided with a groove (19), the first connecting box (20) is fixedly connected with a first oxygen output pipe (27) in a penetrating manner, one end of the first oxygen output pipe (27) extends into the groove (19) through the connecting block (24), the second connecting box (21) is fixedly connected with a second oxygen output pipe (28) in a penetrating manner, one end of the second oxygen output pipe (28) extends into the groove (19) in a penetrating manner through the connecting block (24), the first pneumatic valve (13) is arranged on each of the first oxygen output pipe (27) and the second oxygen output pipe (28), and the bottom of the connecting block (24) is fixedly connected with an oxygen output main pipe (23) the top end of which extends into the groove (19).
6. The pneumatic balancing device of the medical molecular sieve oxygen generation system according to claim 1, wherein the first oxygen generation molecular sieve tower (1) is provided with a controller (22), and the controller (22) is electrically connected with the first electromagnetic valve (5), the second electromagnetic valve (7), the third electromagnetic valve (10), the fourth electromagnetic valve (12), the pressure sensor (17), the first pneumatic valve (13) and the second pneumatic valve (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121521026.2U CN214809661U (en) | 2021-07-06 | 2021-07-06 | Pneumatic balancing device of medical molecular sieve oxygen generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121521026.2U CN214809661U (en) | 2021-07-06 | 2021-07-06 | Pneumatic balancing device of medical molecular sieve oxygen generation system |
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| Publication Number | Publication Date |
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| CN214809661U true CN214809661U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121521026.2U Active CN214809661U (en) | 2021-07-06 | 2021-07-06 | Pneumatic balancing device of medical molecular sieve oxygen generation system |
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2021
- 2021-07-06 CN CN202121521026.2U patent/CN214809661U/en active Active
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Address after: 011500 No. 178, Shengle economic Park, Helinger County, Hohhot City, Inner Mongolia Autonomous Region (east of Fenghua thermal power plant) Patentee after: Inner Mongolia Mulan Medical Technology Co.,Ltd. Address before: 011500 No. 178, Shengle economic Park, Helinger County, Hohhot City, Inner Mongolia Autonomous Region (east of Fenghua thermal power plant) Patentee before: Inner Mongolia Mulan Pharmaceutical Co.,Ltd. |