CN213556203U

CN213556203U - Molecular sieve tower

Info

Publication number: CN213556203U
Application number: CN202021431029.2U
Authority: CN
Inventors: 戴联平
Original assignee: Shanghai Hengye Molecular Sieve Co ltd
Current assignee: Shanghai Hengye microcrystalline Material Technology Co.,Ltd.
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-06-29
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a molecular sieve tower, include the molecular sieve tower main part of constituteing by last tower body and lower tower body, be equipped with the packing chamber in the molecular sieve tower main part, it has first molecular sieve layer, second molecular sieve layer and the third molecular sieve layer that has microporous structure to pack intracavity from the top down to fill in proper order, the top of going up the tower body is equipped with the outlet duct, the bottom of tower body is equipped with the intake pipe down, the inner chamber of tower body is equipped with the cover intake pipe air inlet and is cylindric unhurried current cover down, the week side of unhurried current cover is equipped with the venthole of tower body inside wall down, the top of unhurried current cover is equipped with molecular sieve positioning mechanism, molecular sieve positioning mechanism include with the inconsistent location otter board of third molecular sieve layer bottom surface, be equipped with a plurality of pressure spring between the top of location otter board and unhurried. The utility model discloses effectively avoided gaseous molecular sieve layer to cause direct impact for the pulverization takes place for the molecular sieve layer, and has reduced the screening effect.

Description

Molecular sieve tower

Technical Field

The utility model relates to a molecular sieve technical field specifically is a molecular sieve tower.

Background

When oxygen is prepared from compressed air, the compressed air enters an adsorption tower, and the oxygen is obtained after nitrogen is adsorbed by a molecular sieve. In the prior art, compressed air enters the tower body, generally and simply passes through the filter screen and then directly contacts with the molecular sieve, the air distribution structure of the structure is unreasonable, and the impact force of the compressed air on the molecular sieve in the tower body is large, so that the molecular sieve is easy to pulverize, the service life of the molecular sieve is influenced, and the adsorption effect of the molecular sieve is influenced. We therefore provide a molecular sieve column.

Disclosure of Invention

For solving the defect that prior art exists, the utility model provides a molecular sieve tower.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a molecular sieve tower, which comprises a molecular sieve tower main body consisting of an upper tower body and a lower tower body, a filling cavity is arranged in the molecular sieve tower main body, a first molecular sieve layer, a second molecular sieve layer and a third molecular sieve layer with microporous structures are sequentially filled in the filling cavity from top to bottom, the top end of the upper tower body is provided with an air outlet pipe, the bottom end of the lower tower body is provided with an air inlet pipe, the inner cavity of the lower tower body is provided with a cylindrical slow flow cover which covers the air inlet of the air inlet pipe, the periphery of the slow flow cover is provided with an air outlet facing the inner side wall of the lower tower body, the top of the slow flow cover is provided with a molecular sieve positioning mechanism, the molecular sieve positioning mechanism comprises a positioning screen plate which is abutted against the bottom end face of the third molecular sieve layer, a plurality of compression springs are arranged between the positioning screen plate and the top of the slow flow cover, and a rubber anti-collision layer is arranged on the positioning screen plate.

As an optimized technical scheme of the utility model, the outer tip on first molecular sieve layer, second molecular sieve layer and third molecular sieve layer is equipped with buffering sponge layer.

As an optimal technical scheme of the utility model, go up tower body and tower body threaded connection down.

As an optimized technical scheme of the utility model, the week side of first molecular sieve layer, second molecular sieve layer and third molecular sieve layer is equipped with the rubber sealing layer.

As a preferred technical solution of the present invention, the first molecular sieve layer is a sodium type molecular sieve; the second molecular sieve layer is an octahedral molecular sieve, and the third molecular sieve layer is a mercerized molecular sieve.

As an optimized technical scheme of the utility model, the one end that first molecular sieve layer is close to the outlet duct is equipped with just relative and the notch of inside concave yield with the outlet duct.

The utility model has the advantages that: this molecular sieve tower is equipped with the unhurried current cover that just is cylindric that covers the intake pipe air inlet through the inner chamber of tower body under, unhurried current cover's week side is equipped with the venthole of tower body inside wall down towards. Utilize the unhurried current cover to play the effect of unhurried current, when avoiding entering into from the intake pipe and filling the intracavity, cause direct impact to first molecular sieve layer, make first molecular sieve layer take place the pulverization easily, and reduced the screening effect to first molecular sieve layer is plugged up easily to the bits of broken powder that produces after the pulverization, and reduces the air flow. In addition the utility model has the characteristics of be convenient for installation and dismantlement easily change first molecular sieve layer, second molecular sieve layer and third molecular sieve layer, and wherein the top of slow stream cover is equipped with molecular sieve positioning mechanism, molecular sieve positioning mechanism includes the location otter board inconsistent with third molecular sieve layer bottom end face, be equipped with a plurality of pressure spring between the top of location otter board and slow stream cover, be equipped with rubber anticollision layer on the location otter board, make the location otter board closely contradict with the bottom on first molecular sieve layer under pressure spring's effect, play the effect of location, effectively avoided first molecular sieve layer, second molecular sieve layer and third molecular sieve layer to take place to rock loading the intracavity, cause the striking damaged.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a molecular sieve column of the present invention;

fig. 2 is a schematic structural diagram of a molecular sieve positioning mechanism of the molecular sieve tower of the present invention.

In the figure: 1. a molecular sieve column body; 2. an upper tower body; 3. a lower tower body; 4. filling the cavity; 5. a first molecular sieve layer; 6. a second molecular sieve layer; 7. a third molecular sieve layer; 8. an air outlet pipe; 9. an air inlet pipe; 10. a slow flow cover; 11. an air outlet; 12. a molecular sieve positioning mechanism; 13. positioning a screen plate; 14. a compression spring; 15. a rubber anti-collision layer; 16. a buffer sponge layer; 17. a rubber sealing layer; 18. a notch.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1 and fig. 2, the molecular sieve tower of the present invention comprises a molecular sieve tower main body 1 composed of an upper tower body 2 and a lower tower body 3, wherein a filling cavity 4 is arranged in the molecular sieve tower main body 1, the filling cavity 4 is filled with a first molecular sieve layer 5, a second molecular sieve layer 6 and a third molecular sieve layer 7 which have microporous structures from top to bottom in sequence, the top end of the upper tower body 2 is provided with an outlet pipe 8, the bottom end of the lower tower body 3 is provided with an inlet pipe 9, the inner cavity of the lower tower body 3 is provided with a cylindrical slow flow cover 10 which covers the air inlet of the inlet pipe 9, the periphery of the slow flow cover 10 is provided with an outlet hole 11 facing the inner side wall of the lower tower body, the top of the slow flow cover 10 is provided with a molecular sieve positioning mechanism 12, the molecular sieve positioning mechanism 12 comprises a positioning screen 13 which is abutted against the bottom end surface of the third molecular sieve layer, a plurality of compression springs 14 are arranged between the positioning screen 13 and the top of the, the positioning screen plate 13 is provided with a rubber anti-collision layer 15; the inner cavity of the lower tower body 3 is provided with a cylindrical slow flow cover 10 which covers the air inlet of the air inlet pipe 9, and the circumferential side of the slow flow cover 10 is provided with an air outlet hole 11 facing the inner side wall of the lower tower body 3. Utilize slow flow cover 10 to play the effect of slow flow, when avoiding entering into from intake pipe 9 and filling the chamber 4 in, cause direct impact to first molecular sieve layer 5, make first molecular sieve layer 5 take place the pulverization easily, and reduced the screening effect to first molecular sieve layer 5 is plugged up easily to the bits and pieces that produce after the pulverization, and reduce the air flow. Additionally the utility model has the characteristics of be convenient for installation and dismantlement easily change first molecular sieve layer 5, second molecular sieve layer 6 and third molecular sieve layer 7, and wherein the top of slowly flowing cover 10 is equipped with molecular sieve positioning mechanism 12, molecular sieve positioning mechanism 12 includes the location otter board 13 inconsistent with third molecular sieve layer 7 bottom face, location otter board 13 and slowly flow and be equipped with a plurality of pressure spring between the top of cover 10, be equipped with rubber anticollision layer 15 on the location otter board 13, make location otter board 13 closely contradict with the bottom of first molecular sieve layer 5 under pressure spring's effect, play the effect of location, effectively avoided first molecular sieve layer 5, second molecular sieve layer 6 and third molecular sieve layer 7 to take place to rock at the loading intracavity, cause the striking damaged.

The outer end parts of the first molecular sieve layer 5, the second molecular sieve layer 6 and the third molecular sieve layer 7 are provided with a buffer sponge layer 16, so that the buffer and anti-collision effects are achieved, and the first molecular sieve layer 5, the second molecular sieve layer 6 and the third molecular sieve layer 7 are subjected to rigid collision to cause damage.

Wherein, go up

tower body

2 and 3 threaded connection of tower body down, be convenient for install and dismantle.

The rubber sealing layer 17 is arranged on the peripheral sides of the first molecular sieve layer 5, the second molecular sieve layer 6 and the third molecular sieve layer 7, gaps among the first molecular sieve layer 5, the second molecular sieve layer 6, the third molecular sieve layer and the filling cavity are sealed by the rubber sealing layer 17, so that the whole structure has better air tightness, and gas can pass through the gaps among the first molecular sieve layer 5, the second molecular sieve layer 6, the third molecular sieve layer and the filling cavity in the screening process, so that the screening is incomplete.

One end of the first molecular sieve layer 5 close to the air outlet pipe is provided with a notch 18 which is opposite to the air outlet pipe 8 and is recessed inwards, so that the air outlet area is effectively increased, and the air outlet quantity is better.

The utility model discloses an inner chamber of tower body 3 is equipped with the slow flow cover 10 that just is cylindric that covers the intake pipe 9 air inlet under, the week side of slow flow cover 10 is equipped with the venthole 11 of 3 inside walls of tower body down. Utilize slow flow cover 10 to play the effect of slow flow, when avoiding entering into from intake pipe 9 and filling the chamber 4 in, cause direct impact to first molecular sieve layer 5, make first molecular sieve layer 5 take place the pulverization easily, and reduced the screening effect to first molecular sieve layer 5 is plugged up easily to the bits and pieces that produce after the pulverization, and reduce the air flow. Additionally the utility model has the characteristics of be convenient for installation and dismantlement easily change first molecular sieve layer 5, second molecular sieve layer 6 and third molecular sieve layer 7, and wherein the top of slowly flowing cover 10 is equipped with molecular sieve positioning mechanism 12, molecular sieve positioning mechanism 12 includes the location otter board 13 inconsistent with third molecular sieve layer 7 bottom face, location otter board 13 and slowly flow and be equipped with a plurality of pressure spring 14 between the top of cover 10, be equipped with rubber anticollision layer 15 on the location otter board 13, make location otter board 13 closely contradict with the bottom on first molecular sieve layer 5 under pressure spring 14's effect, play the effect of location, effectively avoided first molecular sieve layer 5, second molecular sieve layer 6 and third molecular sieve layer 7 to take place to rock in filling chamber 4, cause the striking damaged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a molecular sieve tower, includes molecular sieve tower main part (1) of constituteing by last tower body (2) and lower tower body (3), its characterized in that: the molecular sieve tower is characterized in that a filling cavity (4) is arranged in the molecular sieve tower main body (1), a first molecular sieve layer (5), a second molecular sieve layer (6) and a third molecular sieve layer (7) with a microporous structure are sequentially filled in the filling cavity (4) from top to bottom, an air outlet pipe (8) is arranged at the top end of the upper tower body (2), an air inlet pipe (9) is arranged at the bottom end of the lower tower body (3), a cylindrical slow flow cover (10) which covers an air inlet of the air inlet pipe (9) is arranged in an inner cavity of the lower tower body (3), air outlet holes (11) facing to the inner side wall of the lower tower body are formed in the peripheral side of the slow flow cover (10), a molecular sieve positioning mechanism (12) is arranged at the top of the slow flow cover (10), the molecular sieve positioning mechanism (12) comprises a positioning screen plate (13) which is in butt contact with the bottom end face of the third molecular sieve layer, a plurality of compression springs (14) are arranged between the positioning screen, and a rubber anti-collision layer (15) is arranged on the positioning screen plate (13).

2. A molecular sieve column according to claim 1, wherein the outer ends of the first (5), second (6) and third molecular sieve layers (7) are provided with a buffer sponge layer (16).

3. A molecular sieve tower according to claim 1, wherein the upper tower body (2) and the lower tower body (3) are threaded.

4. A molecular sieve column according to claim 1, wherein the first molecular sieve layer (5), the second molecular sieve layer (6) and the third molecular sieve layer (7) are provided with a rubber sealing layer (17) on the peripheral side.

5. A molecular sieve column according to claim 1, wherein the first molecular sieve layer (5) is a sodiurn type molecular sieve; the second molecular sieve layer (6) is an octahedral molecular sieve, and the third molecular sieve layer (7) is a mercerized molecular sieve.

6. A molecular sieve column according to claim 1, wherein the end of the first molecular sieve layer (5) adjacent the outlet conduit is provided with a notch (18) diametrically opposed to the outlet conduit (8) and recessed inwardly.