CN216498411U - Molecular sieve tower structure - Google Patents

Abstract

The utility model discloses a molecular sieve tower structure, and belongs to the technical field of adsorption towers. The utility model provides a molecular sieve tower structure, includes two molecular sieve towers that the lower extreme is equipped with bottom plate and roof respectively, still includes: the two lower cavities and the upper cavity are respectively arranged on the opposite side walls of the bottom plate and the top plate, wherein the two molecular sieve towers are fixedly connected between the two groups of lower cavities and the upper cavity, the upper end of the bottom plate is provided with a lower groove, the upper end of the bottom plate is fixedly connected with an air storage tank communicated with the lower groove, the side walls of the two lower cavities are respectively provided with two lower communicating cavities, and the tail ends of the two lower communicating cavities are communicated with the lower groove through lower cavities; the silica gel gaskets are abutted to the upper ports of the two lower pipe-shaped cavities and detachably connected to the inner bottom of the lower groove; the input pipe with a valve is fixedly arranged at the lower end of the top plate; the utility model does not need to use a joint and a hose for connection, thereby effectively avoiding the air leakage condition and being convenient for the later transportation work.

Description

Molecular sieve tower structure

Technical Field

The utility model relates to the technical field of adsorption towers, in particular to a molecular sieve tower structure.

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 whole system is fully automatically controlled by a singlechip.

Among the prior art, through several pipe connection between the molecular sieve adsorption tower in the oxygenerator and the gas holder, the structure is compact enough, and is not convenient for transport, and local backward flow phenomenon appears easily when the gas in the gas holder is easy to produce the oxygen system and arrange nitrogen in addition, influences oxygenerator system oxygen effect and efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a molecular sieve tower structure.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a molecular sieve tower structure, includes two molecular sieve towers that the upper and lower end was equipped with bottom plate and roof respectively, still includes: the two lower cavities and the upper cavity are respectively arranged on the opposite side walls of the bottom plate and the top plate, wherein the two molecular sieve towers are fixedly connected between the two groups of lower cavities and the upper cavity, the upper end of the bottom plate is provided with a lower groove, the upper end of the bottom plate is fixedly connected with an air storage tank communicated with the lower groove, the side walls of the two lower cavities are respectively provided with two lower communicating cavities, and the tail ends of the two lower communicating cavities are communicated with the lower groove through lower cavities; the silica gel gasket is abutted against the upper ports of the two lower pipe-shaped cavities and is detachably connected to the inner bottom of the lower open groove; the input tube with the valve is fixedly installed at the lower end of the top plate, wherein the side walls of the two upper cavities are provided with upper communicating cavities, the lower end of the top plate is provided with two groups of upper tube-shaped cavities which are communicated with the two upper communicating cavities respectively, and the output end of the input tube is communicated with the two upper tube-shaped cavities.

For the convenience of replacing the silica gel gasket, preferably, the inner bottom of the lower slot is fixedly connected with a fixed seat, and the silica gel gasket is fixedly installed on the fixed seat through screws.

In order to ensure the sealing performance of the silica gel gasket, preferably, the silica gel gasket is L-shaped, and two ears of the silica gel gasket respectively elastically abut against the upper ports of the two lower pipe-shaped cavities.

In order to facilitate the control of the oxygen flow for cleaning the molecular sieve, preferably, the two lower communicating chambers are communicated through a sizing hole.

In order to guarantee the leakproofness between molecular sieve tower, storage jar and bottom plate, the roof, preferably, the equal fixedly connected with of port and the annular slab of lower fluting, lower cavity and upper plenum is a plurality of the outer wall of annular slab all is equipped with the ring channel, and is a plurality of all the cover is equipped with the rubber circle in the ring channel.

In order to ensure the use strength of the bottom plate and the top plate, preferably, a plurality of ribs distributed circumferentially are fixedly connected to the inner walls of the lower cavity and the upper cavity.

Compared with the prior art, the utility model provides a molecular sieve tower structure, which has the following beneficial effects:

1. according to the molecular sieve tower structure, the molecular sieve tower, the input pipe and the gas storage tank are connected through the channel, so that the whole device is more compact, a joint and a hose are not needed for connection, the gas leakage condition is effectively avoided, and the transportation work at the later stage is facilitated;

2. this molecular sieve tower structure can make the silica gel gasket upwards bounce through the gas of carrying in the downward fluting, and when tubular intracavity did not have gas down, the silica gel gasket then can elasticity reset and support the last port in tubular chamber down to make the oxygen that gets into in the gas holder can not flow back when oxygen system row nitrogen and go back, guarantee system oxygen efficiency.

3. The molecular sieve tower structure can be used for controlling the oxygen flow between two molecular sieve towers of the oxygen generation system for cleaning the molecular sieve through the sizing holes in the bottom plate.

Drawings

FIG. 1 is a schematic axial view of a molecular sieve tower structure according to the present invention;

FIG. 2 is a schematic diagram of a bottom plate axial structure of a molecular sieve tower structure according to the present invention;

FIG. 3 is a schematic diagram of a top plate axial structure of a molecular sieve tower structure according to the present invention;

FIG. 4 is a front view sectional structure diagram of a molecular sieve tower structure according to the present invention;

FIG. 5 is a schematic diagram of a molecular sieve column according to the present invention at A in FIG. 4;

fig. 6 is a schematic structural diagram at B in fig. 4 of a molecular sieve tower structure according to the present invention.

In the figure: 1. a base plate; 2. a top plate; 3. a lower cavity; 4. an upper cavity; 5. a molecular sieve column; 6. lower grooving; 7. a gas storage tank; 8. an input tube; 9. an upper communicating chamber; 10. a lower communicating chamber; 11. a lower tubular cavity; 12. sizing holes; 13. a silica gel gasket; 14. a fixed seat; 15. an annular plate; 16. an annular groove; 17. a rubber ring; 18. an upper pipe-shaped cavity; 19. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-6, a molecular sieve tower structure, includes two molecular sieve towers 5 whose upper and lower ends are respectively provided with a bottom plate 1 and a top plate 2, and further includes: the two lower cavities 3 and the upper cavity 4 are respectively arranged on the opposite side walls of the bottom plate 1 and the top plate 2, wherein the two molecular sieve towers 5 are fixedly connected between the two groups of lower cavities 3 and the upper cavities 4, the upper end of the bottom plate 1 is provided with a lower open groove 6, the upper end of the bottom plate 1 is fixedly connected with a gas storage tank 7 communicated with the lower open groove 6, the side walls of the two lower cavities 3 are respectively provided with two lower communicating cavities 10, and the tail ends of the two lower communicating cavities 10 are communicated with the lower open groove 6 through lower tubular cavities 11; the silica gel gasket 13 which is abutted against the upper ports of the two lower pipe-shaped cavities 11 is detachably connected with the inner bottom of the lower open groove 6; an input pipe 8 with a valve is fixedly arranged at the lower end of a top plate 2, wherein the side walls of two upper cavities 4 are both provided with an upper communicating cavity 9, the lower end of the top plate 2 is provided with two groups of upper tubular cavities 18 which are respectively communicated with the two upper communicating cavities 9, the output end of the input pipe 8 is communicated with the two upper tubular cavities 18, gas generated by the oxygen generator is conveyed to the upper communicating cavities 9 through the input pipe 8 and the upper tubular cavities 18, then enters the upper cavities 4 from the upper communicating cavities 9, then enters the molecular sieve tower 5 from the upper cavities 4 for adsorption and filtration, the filtered gas enters the lower communicating cavity 10 from the lower cavity 3 of the bottom plate 1, then enters the lower groove 6 from the lower communicating cavity 10 through the lower tubular cavities 11, and finally enters the gas storage tank 7 from the lower groove 6, and the whole device can be more compact by connecting the molecular sieve tower 5, the input pipe 8 and the gas storage tank 7 through a channel, need not use joint and hose connection, effectively avoided the gas leakage condition to the transportation work in the later stage of still being convenient for, silica gel gasket 13 in the under shed 6 can make the oxygen that gets into in the gas holder 7 can not flow back and go back when oxygen system nitrogen discharging, guarantees system oxygen efficiency.

Bottom fixedly connected with fixing base 14 in lower fluting 6, silica gel gasket 13 passes through screw 19 fixed mounting on fixing base 14, when silica gel gasket 13 needs to be changed, with the screw 19 from fixing base 14 unscrew can, make silica gel gasket 13's change efficiency higher.

The shape of silica gel gasket 13 is L shape, and two ears of silica gel gasket 13 elasticity respectively support in the last port of two lower tube-shaped chambeies 11, and L shape silica gel gasket 13 can guarantee to have good elasticity top pressure to the port of two lower tube-shaped chambeies 11.

The two lower communicating cavities 10 are communicated through a sizing hole 12, and the sizing hole 12 in the bottom plate 1 can be used for controlling the oxygen flow between the two molecular sieve towers 5 of the oxygen generation system for cleaning the molecular sieves.

Equal fixedly connected with of port and annular plate 15 of lower fluting 6, lower cavity 3 and upper chamber 4, the outer wall of a plurality of annular plates 15 all is equipped with ring channel 16, all overlaps in a plurality of ring channels 16 and is equipped with rubber ring 17, and the leakproofness between molecular sieve tower 5, gas holder 7 and bottom plate 1 and roof 2 can be guaranteed to rubber ring 17 in the ring channel 16.

The inner walls of the lower cavity 3 and the upper cavity 4 are fixedly connected with rib plates distributed circumferentially, and the rib plates can ensure the use strength of the bottom plate 1 and the top plate 2.

The working principle is as follows: in the utility model, gas generated by an oxygenerator is conveyed to an upper communicating cavity 9 through an input pipe 8 and an upper pipe cavity 18, then enters an upper cavity 4 from the upper communicating cavity 9, then enters a molecular sieve tower 5 from the upper cavity 4 for adsorption and filtration, the filtered gas enters a lower communicating cavity 10 from a lower cavity 3 of a bottom plate 1, then enters a lower groove 6 from the lower communicating cavity 10 through a lower pipe cavity 11, and finally enters a gas storage tank 7 from the lower groove 6 for storing gas, the whole device can be more compact by connecting the molecular sieve tower 5, the input pipe 8 and the gas storage tank 7 through a channel, a joint and a hose are not needed for connection, the gas leakage condition is effectively avoided, the later transportation work is convenient, when the gas enters the lower groove 6 through the lower pipe cavity 11, a silica gel gasket 13 at the inner bottom of the lower groove 6 can bounce upwards under the action of air pressure, gaseous then can enter into under the lower fluting 6 from lower tubular chamber 11 in, when not having gaseous in the lower tubular chamber 11, silica gel gasket 13 then can elasticity reset and support the last port at tubular chamber 11 down to make the oxygen that gets into in the gas holder 7 can not flow back when oxygen system arranges nitrogen and go back, guarantee system oxygen efficiency, and the sizing hole 12 in the bottom plate 1 can be used for controlling the oxygen flow size that is used for wasing the molecular sieve between two molecular sieve towers 5 of system oxygen system.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a molecular sieve tower structure, includes two molecular sieve towers (5) that the lower extreme is equipped with bottom plate (1) and roof (2) respectively, its characterized in that still includes:

two lower cavities (3) and an upper cavity (4) are respectively arranged on the opposite side walls of the bottom plate (1) and the top plate (2),

the molecular sieve tower comprises two molecular sieve towers (5), a bottom plate (1), a lower groove (6), a gas storage tank (7) communicated with the lower groove (6), two lower communicating cavities (10) and a lower pipe cavity (11), wherein the two molecular sieve towers (5) are fixedly connected between two groups of lower cavities (3) and an upper cavity (4), the upper end of the bottom plate (1) is provided with the lower groove (6), the upper end of the bottom plate (1) is fixedly connected with the gas storage tank (7) communicated with the lower groove (6), the side walls of the two lower cavities (3) are provided with the two lower communicating cavities (10), and the tail ends of the two lower communicating cavities (10) are communicated with the lower groove (6) through the lower pipe cavity (11);

the silica gel gasket (13) is abutted against the upper ports of the two lower pipe-shaped cavities (11) and is detachably connected to the inner bottom of the lower open groove (6);

an input pipe (8) with a valve is fixedly arranged at the lower end of the top plate (2),

the side walls of the two upper cavities (4) are provided with upper communicating cavities (9), the lower end of the top plate (2) is provided with two groups of upper tubular cavities (18) which are communicated with the two upper communicating cavities (9) respectively, and the output end of the input tube (8) is communicated with the two upper tubular cavities (18).

2. A molecular sieve tower structure according to claim 1, wherein the inner bottom of the lower slot (6) is fixedly connected with a fixed seat (14), and the silica gel gasket (13) is fixedly mounted on the fixed seat (14) through a screw (19).

3. A molecular sieve tower structure according to claim 1, wherein said silicone gasket (13) is L-shaped, and two ears of said silicone gasket (13) are respectively elastically abutted against the upper ports of two lower tubular cavities (11).

4. A molecular sieve column structure according to claim 1, wherein two of said lower communicating chambers (10) communicate with each other through a sizing hole (12).

5. A molecular sieve tower structure according to claim 1, wherein the ports of the lower open slot (6), the lower cavity (3) and the upper cavity (4) are all fixedly connected with annular plates (15), the outer walls of a plurality of annular plates (15) are all provided with annular grooves (16), and rubber rings (17) are all sleeved in the annular grooves (16).

6. A molecular sieve tower structure according to claim 1, wherein a plurality of ribs distributed circumferentially are fixedly connected to the inner walls of both the lower cavity (3) and the upper cavity (4).

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