CN103157343A - Molecular sieve adsorber - Google Patents
Molecular sieve adsorber Download PDFInfo
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- CN103157343A CN103157343A CN201310105329XA CN201310105329A CN103157343A CN 103157343 A CN103157343 A CN 103157343A CN 201310105329X A CN201310105329X A CN 201310105329XA CN 201310105329 A CN201310105329 A CN 201310105329A CN 103157343 A CN103157343 A CN 103157343A
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- porous plate
- molecular sieve
- sieve adsorber
- filter screen
- cap
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Abstract
The invention relates to a molecular sieve adsorber. The molecular sieve adsorber comprises a shell, a first porous plate, a second porous plate, a first filter screen, a second filter screen, a molecular sieve bed, a pressing device and a sealing sleeve, wherein the shell is provided with a gas inlet and a gas outlet; the first porous plate and the second porous plate are arranged in the shell and respectively positioned near the gas inlet and the gas outlet; the first filter screen and the second filter screen are respectively arranged on the first porous plate and the second porous plate; the molecular sieve bed is arranged between the first porous plate and the second porous plate; the pressing device is arranged on the molecular sieve bed and used for pressing the molecular sieve bed; the shell comprises a shell body and a shell cover; the pressing device comprises elastic parts which are sandwiched between the shell cover and the second porous plate and used for providing downward pressure for the second porous plate; the sealing sleeve is arranged on the second porous plate; and the outer wall of the sealing sleeve is tightly attached to the inner wall of the shell body. The molecular sieve adsorber is simple in structure and low in cost. The purity of gas which is screened and adsorbed by the adsorber is improved.
Description
Technical field
the invention belongs to gas manufacturing technology field, be specifically related to the molecular sieve adsorber that a kind of gas is produced use.
Background technology
in modern industry, the technology that molecular sieve adsorber carries out adsorbing separation to gas is widely used in the industries such as petrochemical industry, medicine metallurgy, electronics, as gas separation, drying and air cleaning, wastewater treatment, oxygen nitrogen processed etc.In molecular sieve adsorber, sorbing material generally adopts molecular sieve, molecular sieve has suction-operated to a certain or several components in mixed gas feed, and when gas passes through molecular sieve adsorber, one or more components are adsorbed, other components flow out separated, reach separating effect.
at present, molecular sieve adsorber comprises the housing with air inlet and gas outlet, be separately positioned on the first porous plate and second porous plate of air inlet and gas outlet, be separately positioned on the first filter screen and the second filter screen on the first porous plate and the second porous plate, be arranged on the molecular sieve bed between the first porous plate and the second porous plate and be arranged on the molecular sieve bed top for compressing the air-cylinder compressing device of molecular sieve bed downwards, first, two porous plates are all put and are welded in inner walls, filter screen is pressed on porous plate, after molecular sieve bed screening absorption, gas is discharged after the second mistake porous plate and the second strainer filtering, yet, the inwall of the second porous plate and housing is not tightly connected completely, there is gap between the two, so a small amount of gas, not by the filtration of the second filter screen, directly discharged to gas outlet, affected the purity of the rear gas of absorber absorption, the second porous plate point is welded in the inwall of housing simultaneously, be not easy to dismounting and the installation of the second porous plate.In addition, adopt air-cylinder compressing device, guarantee that the molecular sieve bed is not loosening, and for small-sized absorber, air-cylinder compressing device price comparison costliness, cost is higher.
Summary of the invention
technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of improved molecular sieve adsorber is provided.
for solving above technical problem, the present invention takes following technical scheme:
a kind of molecular sieve adsorber, comprise the housing with air inlet and gas outlet, be arranged in housing respectively the first porous plate and the second porous plate near air inlet and position, gas outlet, be separately positioned on the first filter screen and the second filter screen on the first porous plate and the second porous plate, be arranged on the molecular sieve bed between the first porous plate and the second porous plate and be arranged on the molecular sieve bed top for compressing the hold down gag of molecular sieve bed downwards, housing wherein comprises body and is arranged on the cap at body top, gas outlet is arranged on cap, air inlet is arranged on the bottom of body, hold down gag comprises to being located between cap and the second porous plate, for the elastomeric element of downward pressure is provided to the second porous plate, absorber also comprises and is arranged on the second porous plate and outer wall is close to the sealing shroud of body inwall.
preferably, elastomeric element is spring, and has a plurality ofly, is fixed with a plurality of a plurality of joint pins for the linking springs bottom on the second porous plate, and the upper end of spring is against on the inner surface of cap.
according to a concrete aspect, the bottom of joint pin is fixedly connected with the second porous plate through the second filter screen.The mode of being fixedly connected with can be for example welding.
preferably, a plurality of springs circumferentially being uniformly distributed along the second porous plate.
the concrete enforcement and preferred aspect according to the present invention, weld mutually with described the second porous plate the bottom of sealing shroud.
further, sealing shroud comprises the body that center line overlaps with the center line of the second porous plate, the sealing ring that is set in the body periphery.Preferably, the periphery of body forms a circle groove along its circumferential indent, and sealing ring is fastened in groove.
another concrete enforcement and preferred aspect according to the present invention, absorber also comprises the guiding device be arranged between air inlet and the first porous plate for surrounding bottom body that air-flow is led.Preferably, guiding device comprises that surface has the mozzle of a plurality of tap holes.
in addition, the body top also is provided with flange, between cap and flange, is provided with seal washer, and absorber also comprises the pressing plate be pressed on the first filter screen, and the center of pressing plate is provided with through hole.
due to the enforcement of above technical scheme, the present invention compared with prior art has following advantage:
molecular sieve adsorber of the present invention adopts the elastomeric element be arranged between cap and the second porous plate to replace air-cylinder compressing device to prevent that the gas in molecular sieve bed from becoming flexible or sinking, this elastomeric element can not only make molecular sieve bed be able to long-term stable operation under high strength, High Pressure Difference special operation condition, reduce the generation of channeling, improve the output of the rear gas of absorption, and cost is low.In addition, the present invention also is provided with the sealing shroud that outer wall is close to the body inwall on the second porous plate, and it can prevent not through the second filter screen gas, and the slit flow mistake between the second porous plate and body inwall improves the purity that rear gas is adsorbed in the absorber screening.
The accompanying drawing explanation
below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described in detail:
fig. 1 is the main cross-sectional schematic according to molecular sieve adsorber of the present invention;
fig. 2 is the partial exploded view according to molecular sieve adsorber of the present invention;
the schematic top plan view that Fig. 3 is the second screen pack in Fig. 2;
wherein: 1, housing; 10, air inlet; 11, gas outlet; 12, body; 13, cap; 2, the first porous plate; 3, the second porous plate; 30, joint pin; 4, the first filter screen; 5, the second filter screen; 50, dodge hole; 6, molecular sieve bed; 7, hold down gag; 70, elastomeric element; 8, sealing shroud; 80, body; 81, sealing ring; 800, draw-in groove; 9, guiding device; 90, tap hole; 91, mozzle; 14, flange; 15, seal washer; 16, pressing plate; 160, through hole.
The specific embodiment
as shown in Figure 1 to Figure 3, the present embodiment provides a kind of molecular sieve adsorber, it comprises the housing 1 with air inlet 10 and gas outlet 11, be arranged on the first porous plate 2 and second porous plate 3 of the interior close air inlet 10 respectively of housing 1 and 11 positions, gas outlet, be separately positioned on the first filter screen 4 and the second filter screen 5 on the first porous plate 2 and the second porous plate 3, be arranged on the molecular sieve bed 6 between the first porous plate 2 and the second porous plate 3, be arranged on molecular sieve bed 6 tops for compressing the hold down gag 7 of molecular sieve bed 6 downwards, and be arranged on the second porous plate 3 and outer wall is close to the sealing shroud 8 of housing 1 inwall.
above-mentioned housing 1 comprises body 12 and is arranged on the cap 13 at body 12 tops, gas outlet 11 is arranged on cap 13, air inlet 10 is arranged on the bottom of body 12, in addition, in this example the top of body 12 also be provided with flange 14 and be arranged on flange 14 and cap 13 between seal washer 15, hold down gag 7 comprises to being located between cap 13 and the second porous plate 3, for the elastomeric element 70 of downward pressure is provided to the second porous plate 3, this elastomeric element 70 is for spring and have a plurality of, be fixed with a plurality of a plurality of joint pins 30 for the linking springs bottom on the second porous plate 3, the upper end of spring is against on the inner surface of cap 13, in this example, spring and joint pin 30 are corresponding one by one, and there are six, six joint pins 30 are welded on the second porous plate 3 simultaneously, and the second filter screen 5 is provided with the circumferentially equally distributed hole 50 of dodging, six centers around the second filter screen 5, six joint pins 30 are connected with the bottom of spring 70 through dodging hole 50.Sealing shroud 8 comprises the body 80 that center line overlaps with the center line of the second porous plate 3, the sealing ring 81 that is set in body 80 peripheries, wherein weld mutually with the second porous plate 3 bottom of body 80, periphery at body 80 forms a circle groove 800 along its circumferential indent, and sealing ring 81 is fastened in groove 800.
in addition, absorber in this example also comprises the guiding device 9 be arranged between air inlet 10 and the first porous plate 2 for body 12 bottom surroundings that air-flow is led, this guiding device 9 comprises that surface has the mozzle 91 of a plurality of tap holes 90, so, air-flow distributes more even, is conducive to guarantee the uniformity of gas on whole absorber cross section.Simultaneously on the first filter screen 4, be installed with pressing plate 16, and pressing plate 16 center is provided with through hole 160, gas flows to molecular sieve bed 6 from the through hole 160 of pressing plate 16 after the first filter screen 4 filters.
when the absorber of the present embodiment is worked, gas raw material enters tower body 1 inside by air inlet 10, utilize the dispersion guide functions of mozzle 91, make before gas enters molecular sieve 6, air velocity reduces and fully is diffused into adsorption tower bottom surrounding, and enter molecular sieve bed 6 through the first porous plate 2 and the first filter screen 4 uniformly, gas raw material filters for the first time at the first filter screen 4 places, and then enter the middle part of the tower body 1 of having filled molecular sieve bed 6, a certain or several components by 6 pairs of mists of molecular sieve bed have suction-operated, after suction-operated completes, gas is pooled to gas outlet 11 outflow absorbers by the second porous plate 3 and second filter screen 5 on top, gas completes adsorption cleaning.Utilize hold down gag 7 simultaneously, guaranteed that 6 layers of molecular sieve beds are loosening, thereby prevented the powder phenomenon-tion of 6 layers of molecular sieve beds, improved adsorption efficiency.In addition, on the second porous plate 3 and outer wall be close to the sealing shroud 8 of housing 1 inwall, can effectively prevent that portion gas from filtering through the second filter screen 5, between the second porous plate 3 and body 12, the place, gap is flow through, and improves the purity of the rear gas of absorber screening absorption.
in sum, an aspect of of the present present invention adopts and is arranged on the elastomeric element between cap and the second porous plate, prevent that the gas in molecular sieve bed from becoming flexible or sinking, can under high strength, High Pressure Difference special operation condition, obtain long-term stable operation, further reduced the generation of channeling, improve purity and the output of the rear gas of absorption, and easy to operate; Adopt on the other hand and be arranged on the second porous plate and outer wall is close to the sealing shroud of body inwall, prevent not through the second filter screen gas, slit flow between the second porous plate and body inwall is to gas outlet, improve the purity of the rear gas of absorber screening absorption, in addition, the present invention is simple in structure, under unit design production capacity requires, reduce equipment design specification, power consumption, saving electric energy, reduced cost of investment etc.
above the present invention is described in detail; its purpose is to allow the personage who is familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; the equivalence that all Spirit Essences according to the present invention are done changes or modifies, and all should be encompassed in protection scope of the present invention.
Claims (10)
1. a molecular sieve adsorber, comprise the there is air inlet housing (1) of (10) and gas outlet (11), be arranged in described housing (1) respectively the first porous plate (2) and the second porous plate (3) near described air inlet (10) and position, gas outlet (11), be separately positioned on the first filter screen (4) and the second filter screen (5) on described the first porous plate (2) and the second porous plate (3), be arranged on the molecular sieve bed (6) between described the first porous plate (2) and the second porous plate (3) and be arranged on described molecular sieve bed (6) top for compressing the hold down gag (7) of described molecular sieve bed (6) downwards, described housing (1) comprises body (12) and is arranged on the cap (13) at described body (12) top, described gas outlet (11) is arranged on described cap (13), described air inlet (10) is arranged on the bottom of described body (12), it is characterized in that: described hold down gag (7) comprises to being located between described cap (13) and described the second porous plate (3), for the elastomeric element (70) of downward pressure is provided to described the second porous plate (3), described absorber also comprises and is arranged on the sealing shroud (8) that the upper and outer wall of described the second porous plate (3) is close to described body (12) inwall.
2. molecular sieve adsorber according to claim 1, it is characterized in that: described elastomeric element (70) is spring, and have a plurality of, on described the second porous plate (3), be fixed with a plurality ofly for connecting a plurality of joint pins (30) of described spring bottom, the upper end of described spring is against on the inner surface of described cap (13).
3. molecular sieve adsorber according to claim 2 is characterized in that: the bottom of described joint pin (30) is fixedly connected with described the second porous plate (3) through described the second filter screen (5).
4. according to the described molecular sieve adsorber of claim 2 or 3, it is characterized in that: described a plurality of springs circumferentially being uniformly distributed along described the second porous plate (3).
5. molecular sieve adsorber according to claim 1, it is characterized in that: weld mutually with described the second porous plate (3) bottom of described sealing shroud (8).
6. molecular sieve adsorber according to claim 1 or 5 is characterized in that: described sealing shroud (8) comprises the body (80) that center line overlaps with the center line of described the second porous plate (3), the sealing ring (81) that is set in described body (80) periphery.
7. molecular sieve adsorber according to claim 6 is characterized in that: the periphery of described body (80) forms a circle groove (800) along its circumferential indent, and described sealing ring (81) is fastened in described groove (800).
8. molecular sieve adsorber according to claim 1 is characterized in that: described absorber also comprises the guiding device (9) be arranged between described air inlet (10) and the first porous plate (2) for described body (1) bottom surrounding that air-flow is led.
9. molecular sieve adsorber according to claim 8, it is characterized in that: described guiding device (9) comprises that surface has the mozzle of a plurality of tap holes (90) (91).
10. molecular sieve adsorber according to claim 1, it is characterized in that: described body (12) top also is provided with flange (14), be provided with seal washer (15) between described cap (13) and described flange (14), described absorber also comprises the pressing plate (16) be pressed on described the first filter screen (4), and the center of described pressing plate (16) is provided with through hole (160).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310105329.XA CN103157343B (en) | 2013-03-28 | 2013-03-28 | Molecular sieve adsorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310105329.XA CN103157343B (en) | 2013-03-28 | 2013-03-28 | Molecular sieve adsorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103157343A true CN103157343A (en) | 2013-06-19 |
| CN103157343B CN103157343B (en) | 2015-06-03 |
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ID=48581184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310105329.XA Withdrawn - After Issue CN103157343B (en) | 2013-03-28 | 2013-03-28 | Molecular sieve adsorber |
Country Status (1)
| Country | Link |
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| CN (1) | CN103157343B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368222A (en) * | 2014-11-14 | 2015-02-25 | 北京中成航宇空分设备有限公司 | PSA (Pressure Swing Adsorption) equipment and molecular sieve compaction and sealing structure thereof |
| CN105749708A (en) * | 2016-04-11 | 2016-07-13 | 珠海市臻的科技有限公司 | Barrel cover for adsorption dryer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286427Y (en) * | 1997-05-22 | 1998-07-22 | 王蒙 | Counter flow adsorption tower |
| JP2002028434A (en) * | 2000-07-14 | 2002-01-29 | Orion Mach Co Ltd | Gas dehumidifying device |
| CN2913326Y (en) * | 2005-09-07 | 2007-06-20 | 胜利油田胜利工程设计咨询有限责任公司 | Nitrogen generator by normal temperature air separation |
| CN102029099A (en) * | 2010-11-02 | 2011-04-27 | 开封空分集团有限公司 | Molecular sieve compressing and gas distribution integrated device |
| CN202010495U (en) * | 2011-01-30 | 2011-10-19 | 北京谊安医疗系统股份有限公司 | Molecular sieve drum |
| CN202214220U (en) * | 2011-08-16 | 2012-05-09 | 上海亿维工业设备有限公司 | Improved air inlet device of pressure swing adsorption nitrogen making machine |
| CN203139873U (en) * | 2013-03-28 | 2013-08-21 | 张家港市江南利玛特设备制造有限公司 | Molecular sieve adsorber |
-
2013
- 2013-03-28 CN CN201310105329.XA patent/CN103157343B/en not_active Withdrawn - After Issue
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2286427Y (en) * | 1997-05-22 | 1998-07-22 | 王蒙 | Counter flow adsorption tower |
| JP2002028434A (en) * | 2000-07-14 | 2002-01-29 | Orion Mach Co Ltd | Gas dehumidifying device |
| CN2913326Y (en) * | 2005-09-07 | 2007-06-20 | 胜利油田胜利工程设计咨询有限责任公司 | Nitrogen generator by normal temperature air separation |
| CN102029099A (en) * | 2010-11-02 | 2011-04-27 | 开封空分集团有限公司 | Molecular sieve compressing and gas distribution integrated device |
| CN202010495U (en) * | 2011-01-30 | 2011-10-19 | 北京谊安医疗系统股份有限公司 | Molecular sieve drum |
| CN202214220U (en) * | 2011-08-16 | 2012-05-09 | 上海亿维工业设备有限公司 | Improved air inlet device of pressure swing adsorption nitrogen making machine |
| CN203139873U (en) * | 2013-03-28 | 2013-08-21 | 张家港市江南利玛特设备制造有限公司 | Molecular sieve adsorber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368222A (en) * | 2014-11-14 | 2015-02-25 | 北京中成航宇空分设备有限公司 | PSA (Pressure Swing Adsorption) equipment and molecular sieve compaction and sealing structure thereof |
| CN105749708A (en) * | 2016-04-11 | 2016-07-13 | 珠海市臻的科技有限公司 | Barrel cover for adsorption dryer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103157343B (en) | 2015-06-03 |
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