CN209940468U

CN209940468U - Modular oxygen generator airflow distribution structure

Info

Publication number: CN209940468U
Application number: CN201920678113.5U
Authority: CN
Inventors: 刘松; 王银平; 鲁小俊
Original assignee: Gaithy Technology (suzhou) Co Ltd
Current assignee: Gaithy Technology (suzhou) Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-01-14
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a modular oxygen generator air flow distribution structure belongs to modular oxygen generator field, and it is including installing the diffusion equipment in the barrel, diffusion equipment connects in the barrel bottom to communicate with the intake pipe, first air vent and second air vent have been seted up on the diffusion equipment, first air vent is inconsistent with the direction of seting up of second air vent. The utility model discloses have and can be to spreading everywhere after the air gets into the barrel by the intake pipe, evenly with the molecular sieve contact, the filter pressure of each molecular sieve in the balanced barrel, extension molecular sieve life's effect.

Description

Modular oxygen generator airflow distribution structure

Technical Field

The utility model relates to a modular oxygen generator field, in particular to modular oxygen generator air current distribution structure.

Background

The modular oxygen generator refers to a novel device for extracting oxygen from air based on Pressure Swing Adsorption (PSA) technology. Specifically, the device adopts the adsorption performance of a molecular sieve, takes a large-displacement oil-free compressor as power through a physical principle, separates nitrogen from oxygen in air, and finally obtains high-concentration oxygen.

As shown in the attached drawing 1 of the specification, the schematic structural diagram of the molecular sieve 4 adsorption cylinder for the oxygen generator in the prior art includes two cylinders 1, an air inlet pipe 13 connected to the bottom end of the cylinder 1, and an oxygen pipe 14 connected to the top end of the cylinder 1, the two air inlet pipes 13 are respectively connected with a first control valve 131 and are communicated with each other, the positions of the air inlet pipes 13 close to the cylinders 1 are respectively communicated with a nitrogen exhaust pipe 15, and the two nitrogen exhaust pipes 15 are respectively connected with a second control valve. When oxygen extraction is performed, air enters from the air inlet pipe 13, one first control valve 131 and one second control valve are opened in a staggered mode, oxygen is discharged from the oxygen pipe 14, and nitrogen is discharged from the nitrogen exhaust pipe 15.

The above prior art has the following disadvantages: because the intake pipe diameter is limited, the air lets in a large amount of air upward movements along vertical direction in the barrel back, and a small amount of air is to diffusion around, causes the molecular sieve filter pressure in the centre great, and the molecular sieve that is close to barrel lateral wall department contacts less with the air, causes the different circumstances in life-span of the molecular sieve everywhere in the barrel, and this problem is waited for to solve urgently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a modular oxygen generator air current distribution structure has and can be to spreading everywhere after the air gets into the barrel by the intake pipe, evenly with the molecular sieve contact, the filter pressure of each department molecular sieve in the balanced barrel, extension molecular sieve life's effect.

The modular oxygen generator airflow distribution structure comprises a diffusion device arranged in a barrel, wherein the diffusion device is connected to the bottom of the barrel and is communicated with an air inlet pipe, a first vent hole and a second vent hole are formed in the diffusion device, and the forming directions of the first vent hole and the second vent hole are different.

The utility model discloses further set up to: the diffusion device comprises a connecting part and a horizontal part arranged along the horizontal direction, one end of the connecting part is integrally formed with the periphery of the horizontal part, the other end of the connecting part is connected with the barrel, the diameter of the horizontal part is equal to the inner diameter of the air inlet pipe, and a bus of the connecting part is vertical to the horizontal part;

the first vent hole is formed in the horizontal portion, the second vent hole is formed in the connecting portion, and the first vent hole and the second vent hole are perpendicular to each other at the horizontal portion and the connecting portion respectively.

The utility model discloses further set up to: the inner wall of the bottom of the barrel is located above the diffusion device and fixedly connected with an air guide plate, the air guide plate is arranged in a circular ring shape, the inner wall of the barrel is located below the air guide plate and provided with an air inlet, the inner side wall of the barrel is located above the air guide plate and provided with a plurality of diffusion holes, and the diffusion holes are communicated with the air inlet.

The utility model discloses further set up to: the barrel includes vertical portion and connects the base in vertical portion bottom, air inlet and air deflector all set up at the base inboard, the diffusion hole is seted up on vertical portion inner wall, be flange joint between base and the vertical portion.

The utility model discloses further set up to: the height of the side, connected with the base, of the air guide plate is lower than the height of the side, far away from the base, of the air guide plate.

The utility model discloses further set up to: the top of base lateral wall is formed with the sealing ring, the seal groove with the sealing ring adaptation is seted up to the bottom of vertical portion lateral wall, the sealing ring inlays to be established in the seal groove.

The utility model discloses further set up to: the side wall of the sealing ring is provided with a taper.

The utility model discloses further set up to: the connecting part is in threaded connection with the base.

After the air enters the cylinder body through the air inlet pipe, the movement direction is disturbed through the first air vent and the second air vent which are arranged on the connecting part and the horizontal part, one part of the air continues to move upwards to be in contact with the molecular sieve, the other part of the air flows through the air guide plate and then enters the air inlet, the air continues to move upwards and is in contact with the molecular sieve through the diffusion holes, the pressure of the air filtered by the molecular sieve at each part in the cylinder body is balanced, and the service life of the molecular sieve is prolonged.

To sum up, the utility model discloses following beneficial effect has:

1. the diffusion device consists of the horizontal part and the connecting part, and the first vent hole and the second vent hole which are arranged on the diffusion device change the flowing direction of the gas and improve the diffusion direction of the gas;

2. the uniformity of contact between air and the molecular sieve is further improved through the air guide plate, the air inlet formed below the air guide plate and the diffusion holes formed above the air guide plate;

3. through the setting of sealing ring and seal groove, improve the leakproofness between base and the vertical portion.

Drawings

FIG. 1 is a schematic diagram of a prior art structure for embodying the whole;

fig. 2 is a schematic cross-sectional view of the inner structure of the barrel according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure, 1, a cylinder; 11. a base; 111. an air inlet; 112. a seal ring; 12. a vertical portion; 121. A diffusion hole; 122. a sealing groove; 13. an air inlet pipe; 131. a first control valve; 14. an oxygen tube; 15. A nitrogen exhaust pipe; 151. a second exhaust pipe; 2. a diffusion device; 21. a horizontal portion; 211. a first vent hole; 22. a connecting portion; 221. a second vent hole; 3. a gas guide plate; 31. a through hole; 4. and (3) a molecular sieve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also regarded as the scope of the present invention without substantial changes in the technical content.

Example (b):

as shown in fig. 2 and 3, for the utility model relates to a modular oxygen generator air flow distribution structure, including installing diffusion equipment 2 in barrel 1, barrel 1 includes vertical portion 12 and base 11, the connection can be dismantled in vertical portion 12 bottom to base 11, molecular sieve 4 is filled in vertical portion 12, intake pipe 13 is connected on base 11, diffusion equipment 2 is connected in base 11, and communicate with intake pipe 13, the air is behind intake pipe 13, the direction of flowing through of air obtains changing behind diffusion equipment 2, make molecular sieve 4 in barrel 1 can evenly contact with the air.

As shown in fig. 3, the diffuser 2 includes a horizontal portion 21 and a connecting portion 22, the connecting portion 22 is detachably connected to the base 11 through a screw thread, the horizontal portion 21 is fixedly connected to one end of the connecting portion 22 away from the air inlet pipe 13, the diameter of the horizontal portion 21 is equal to the inner diameter of the air inlet pipe 13, and the diameters of the connecting portion 22 from top to bottom are equal. The horizontal portion 21 is provided with a plurality of first vent holes 211 perpendicular to the length direction thereof, the connecting portion 22 is provided with a plurality of second vent holes 221 perpendicular to the connecting portion, and the horizontal portion 21 and the connecting portion 22 are integrally formed. Because the diameter of the horizontal part 21 is equal to the inner diameter of the air inlet pipe 13, after air enters the base 11 through the air inlet pipe 13, the air needs to pass through the diffusion device 2, a part of air continues to move upwards through the first vent holes 211, and the other part of air leaves the diffusion device 2 through the second vent holes 221 and then moves along the horizontal direction, so that the movement direction of the air is dispersed, and the uniformity of the contact between the air and the molecular sieve 4 is effectively improved.

As shown in fig. 3, an air guide plate 3 is fixedly connected to the inside of the base 11 above the diffuser 2, the air guide plate 3 is annular, a through hole 31 for the diffuser 2 to pass through is formed in the middle of the air guide plate 3, and the height of the side of the air guide plate 3 connected to the base 11 is lower than the height of the side of the air guide plate 3 away from the base 11. The air inlet 111 has been seted up to the base 11 lateral wall below being located air guide plate 3, and a plurality of diffusion holes 121 have been seted up along same vertical straight line to the inside wall of vertical portion 12, and the diffusion hole 121 has been seted up a plurality ofly around vertical portion 12 inner wall, and diffusion hole 121 communicates with air inlet 111. After the movement direction of the air is disturbed by the first vent holes 211 and the second vent holes 221, a part of the air continues to move upwards to be in contact with the molecular sieve 4, and the other part of the air enters the air inlet 111 after flowing through the air guide plate 3, continues to move upwards and is in contact with the molecular sieve 4 through the diffusion holes 121, so that the pressure of the air filtered by the molecular sieve 4 at each position in the cylinder 1 is balanced, and the service life of the molecular sieve 4 is prolonged.

As shown in fig. 3, the base 11 is flange-connected to the vertical portion 12, a sealing ring 112 is formed at the top end of the sidewall of the base 11, a sealing groove 122 adapted to the sealing ring 112 is formed at the bottom end of the sidewall of the vertical portion 12, and the sealing ring 112 is embedded in the sealing groove 122. Before connecting vertical portion 12 with base 11, pass gas deflector 3 with diffusion equipment 2 and screw up in base 11, then wear to establish the bolt installation together after butt joint vertical portion 12 and base 11, add molecular sieve 4 in vertical portion 12, the installation finishes. The side wall of the sealing ring 112 is formed with taper, which has good butt joint guiding effect, and simultaneously increases the contact area between the sealing ring 112 and the sealing groove 122, and improves the sealing effect of the sealing ring 112 and the sealing groove 122 on the cylinder body 1 and the base 11.

The implementation principle of the above embodiment is as follows: after the base 11 and the upright portion 12 are joined together, the molecular sieve 4 is filled in the upright portion 12. Air is introduced from the air inlet pipe 13, the air is dispersed in the movement direction through the dispersing device, and is further dispersed through the air inlet 111 and the diffusion holes 121, so that the air is more uniformly contacted with the molecular sieve 4, and the service life of the molecular sieve 4 is prolonged.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a modular oxygen generator air current distribution structure which characterized in that: the air purifier comprises a diffusion device (2) installed in a barrel (1), wherein the diffusion device (2) is connected to the bottom of the barrel (1) and communicated with an air inlet pipe (13), a first vent hole (211) and a second vent hole (221) are formed in the diffusion device (2), and the forming directions of the first vent hole (211) and the second vent hole (221) are inconsistent.

2. The modular oxygen generator flow distribution structure of claim 1, wherein: the diffusion device (2) comprises a connecting part (22) and a horizontal part (21) arranged along the horizontal direction, one end of the connecting part (22) is integrally formed with the periphery of the horizontal part (21), the other end of the connecting part is connected with the barrel body (1), the diameter of the horizontal part (21) is equal to the inner diameter of the air inlet pipe (13), and a bus of the connecting part (22) is vertical to the horizontal part (21);

the first vent hole (211) is formed in the horizontal portion (21), the second vent hole (221) is formed in the connecting portion (22), and the first vent hole (211) and the second vent hole (221) are perpendicular to each other at each position of the horizontal portion (21) and the connecting portion (22).

3. The modular oxygen generator flow distribution structure of claim 2, wherein: barrel (1) bottom inner wall is located diffusion equipment (2) top fixedly connected with air deflector (3), air deflector (3) set up to the ring form, barrel (1) inner wall is located air deflector (3) below and has seted up air inlet (111), barrel (1) inside wall is located air deflector (3) top and has seted up a plurality of diffusion holes (121), diffusion hole (121) and air inlet (111) intercommunication.

4. The modular oxygen generator flow distribution structure of claim 3, wherein: barrel (1) is including vertical portion (12) and base (11) of connection in vertical portion (12) bottom, air inlet (111) and air deflector (3) all set up at base (11) inboard, diffusion hole (121) are seted up on vertical portion (12) inner wall, be flange joint between base (11) and vertical portion (12).

5. The modular oxygen generator flow distribution structure of claim 3, wherein: the height of the side, connected with the base (11), of the air guide plate (3) is lower than that of the side, far away from the base (11), of the air guide plate (3).

6. The modular oxygen generator flow distribution structure of claim 4, wherein: the top of base (11) lateral wall is formed with sealing ring (112), seal groove (122) with sealing ring (112) adaptation are seted up to the bottom of vertical portion (12) lateral wall, sealing ring (112) inlay and establish in seal groove (122).

7. The modular oxygen generator flow distribution structure of claim 6, wherein: the side wall of the sealing ring (112) is provided with a taper.

8. The modular oxygen generator flow distribution structure of claim 5, wherein: the connecting part (22) is in threaded connection with the base (11).