CN213853794U - Airflow uniform distribution type adsorption tower - Google Patents
Airflow uniform distribution type adsorption tower Download PDFInfo
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- CN213853794U CN213853794U CN202022788093.2U CN202022788093U CN213853794U CN 213853794 U CN213853794 U CN 213853794U CN 202022788093 U CN202022788093 U CN 202022788093U CN 213853794 U CN213853794 U CN 213853794U
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Abstract
The utility model relates to an air current equipartition type adsorption tower, it includes adsorption tower, intake pipe, the intake pipe passes the diapire of adsorption tower and extends to in the adsorption tower, be equipped with a plurality of diversion assembly in the adsorption tower, a plurality of diversion assembly is coaxial and by interior and set gradually outside with the adsorption tower, connects between two adjacent diversion assembly, diversion assembly includes the straight tube, connects in the diffusion cover of straight tube one end, the diffusion cover is along the direction diameter grow gradually of keeping away from the straight tube, and a plurality of straight tube all communicates with each other with the intake pipe, and the cross-sectional area of annular cavity equals between the cross-sectional area of middle straight tube inner chamber and two adjacent straight tubes, and the external diameter of outside straight tube equals the internal diameter of intake pipe, and the lateral wall of outside diversion assembly diffusion cover is hugged closely with the inner wall of adsorption tower. This application has the advantage that makes air evenly distributed in adsorption tower.
Description
Technical Field
The application relates to the field of nitrogen preparation, in particular to an airflow uniform distribution type adsorption tower.
Background
An adsorption tower is a device for packing a solid adsorbent in a tower so that some components in gas entering the tower are adsorbed by a porous structure of the adsorbent to thereby achieve component separation, and thus the adsorption tower is commonly used for the production of nitrogen.
When compressed air passes through the adsorption tower lower extreme and gets into inside the adsorption tower, mostly be inside a vertical pipeline inserts the adsorption tower from the bottom of adsorption tower, the air directly gets into in the adsorption tower from the opening of adsorption tower inner tube way upper end.
The in-process in the air gets into the adsorption tower from the opening of pipeline upper end can cause gaseous velocity of flow at the inside lower extreme center of adsorption tower too fast, and the air is slower at the inside lower extreme outlying velocity of flow of adsorption tower to cause the air can not realize even rising at the inside lower extreme of adsorption tower, and then be unfavorable for going on of air at the inside lower extreme reaction of adsorption tower, exist obviously not enoughly.
SUMMERY OF THE UTILITY MODEL
In order to improve the uneven problem of back distribution in the air admission adsorption tower, this application provides an air current equipartition type adsorption tower.
The application provides a pair of distribution of air flow type adsorption tower adopts following technical scheme:
the utility model provides an air current equipartition type adsorption tower, includes adsorption tower, intake pipe, the intake pipe passes the diapire of adsorption tower and extends to in the adsorption tower, be equipped with a plurality of water conservancy diversion subassembly in the adsorption tower, a plurality of water conservancy diversion subassembly and the coaxial and by interior and set gradually outside and by interior, connect between two adjacent water conservancy diversion subassemblies, water conservancy diversion subassembly includes the straight tube, connects in the diffusion cover of straight tube one end, the diffusion cover is along the direction diameter grow gradually of keeping away from the straight tube, and a plurality of straight tube all communicates with each other with the intake pipe, and the cross-sectional area of ring type cavity equals between two adjacent straight tubes of cross-sectional area of middle straight tube inner chamber, and the external diameter of outside straight tube equals the internal diameter of intake pipe, and the lateral wall of outside water conservancy diversion subassembly diffusion cover is hugged closely with the inner wall of adsorption tower.
Through adopting above-mentioned technical scheme, the cross-sectional area of middle straight tube inner chamber equals with the cross-sectional area of ring type cavity between two adjacent straight tubes, and the external diameter of outside straight tube equals the internal diameter of intake pipe to this has realized evenly distributed to the air in the intake pipe, and the air after the evenly distributed can be even dispersion to the region that corresponds in, thereby has realized the evenly distributed of air in the adsorption tower.
Optionally, one end of the diffusion cover facing away from the straight pipe is connected with a guide cylinder, and the cross-sectional area of the inner cavity of the middle guide cylinder is equal to that of the annular cavity between two adjacent guide cylinders.
Through adopting above-mentioned technical scheme, the setting of a plurality of draft tube has realized evenly distributed to the cross-sectional area of adsorption tower, plays the guide effect to the flow of evenly distributed back air simultaneously, and after the air clashed the lateral wall of draft tube, the flow direction was become vertical state by the tilt state, has improved the homogeneity of air dispersion in the adsorption tower.
Optionally, the outer side wall of the guide cylinder on the outermost side is connected with a guide strip, the inner wall of the adsorption tower is provided with a guide groove for inserting the guide strip, and the guide strip and the guide groove are both parallel to the axis of the adsorption tower.
Through adopting above-mentioned technical scheme, the sliding fit of gib block and guide way has played the effect of direction to the installation of a plurality of water conservancy diversion subassembly, is favorable to improving the stability that the direction subassembly is located the adsorption tower simultaneously.
Optionally, four insertion grooves are formed in one end, back to the diffusion cover, of each straight pipe along the length direction of the straight pipe, the four insertion grooves are circumferentially and uniformly distributed around the axis of the flow guide assembly, the positions of the four insertion grooves on two adjacent straight pipes correspond to one another one by one, and the same installation piece which is arranged in a cross shape is inserted into the four insertion grooves of the straight pipes.
Through adopting above-mentioned technical scheme, the installation has been realized to a plurality of water conservancy diversion subassembly in the setting of installation piece, has strengthened the axiality between a plurality of water conservancy diversion subassembly simultaneously to this evenly distributed that is favorable to the air in the adsorption tower.
Optionally, the straight tube is inserted into the air inlet tube, a limiting groove is formed in the inner side wall of one end, located in the adsorption tower, of the air inlet tube, the limiting groove is parallel to the axis direction of the adsorption tower, and four sides of the mounting piece correspond to one limiting groove respectively and are in plug-in fit with the limiting groove.
Through adopting above-mentioned technical scheme, the effect of direction has been played to the alignment pipe insertion intake pipe to the grafting cooperation of spacing groove and installation piece, can improve the axiality between water conservancy diversion subassembly and the intake pipe simultaneously.
Optionally, a first flow guide ring arranged in an arc shape is connected to a corner of the straight pipe and the diffusion cover, and an outer arc surface of the first flow guide ring is tangent to the outer wall of the diffusion cover and an outer arc surface of the first flow guide ring is tangent to the outer wall of the straight pipe respectively; the corner of diffusion cover and draft tube is connected with the second water conservancy diversion ring that is the arc type setting, the extrados of second water conservancy diversion ring and the inner wall of diffusion cover, the extrados of second water conservancy diversion ring and the inner wall of draft tube are tangent respectively.
Through adopting above-mentioned technical scheme, set up first guide plate and second guide plate to the air from the straight tube through the diffusion cover, play the guide effect in flowing to the adsorption tower from the draft tube at last, reduced the air and take place the striking or the friction leads to the possibility that the velocity of flow slows down with diffusion cover, draft tube.
Optionally, the bottom end of the mounting piece and the bottom end of the straight tube are respectively provided with a guide inclined plane.
Through adopting above-mentioned technical scheme, the setting of guide inclined plane plays the guide effect to the air, has reduced the air and has strikeed the bottom surface of installation piece and straight tube and cause the uneven possibility of air distribution.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the cross sectional area of the inner cavity of the middle straight pipe is equal to that of the annular cavity between the two adjacent straight pipes, the outer diameter of the straight pipe at the outermost side is equal to the inner diameter of the air inlet pipe, so that the air in the air inlet pipe is uniformly distributed, and the uniformly distributed air can be uniformly dispersed into corresponding areas, so that the uniform distribution of the air in the adsorption tower is realized;
2. the arrangement of the guide cylinders realizes uniform distribution of the cross-sectional area of the adsorption tower, and simultaneously plays a role in guiding the flow of the uniformly distributed air, after the air impacts the side walls of the guide cylinders, the flow direction is changed from an inclined state to a vertical state, so that the uniformity of the air dispersion in the adsorption tower is improved;
3. the installation has been realized to a plurality of water conservancy diversion subassembly to the setting of installation piece, has strengthened the axiality between a plurality of water conservancy diversion subassembly simultaneously to this is favorable to the evenly distributed of air in the adsorption tower.
Drawings
FIG. 1 is a schematic structural diagram for embodying the present application;
FIG. 2 is a cross-sectional view for embodying the present application;
FIG. 3 is an enlarged view of a portion A in FIG. 2;
FIG. 4 is an enlarged view of a portion B of FIG. 2;
fig. 5 is an exploded view for showing the connection relationship among the intake pipe, the mounting piece, and the straight pipe in the present application.
Description of reference numerals: 1. an adsorption tower; 11. a tower body; 12. a top cover; 2. an air inlet pipe; 31. a straight pipe; 32. a diffusion cover; 33. a draft tube; 4. a guide strip; 13. a guide groove; 311. inserting grooves; 5. mounting a sheet; 21. a limiting groove; 6. a first flow guide ring; 7. a second flow guide ring; 8. a guide ramp.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses distribution of air flow type adsorption tower. Referring to fig. 1, the adsorption tower with uniformly distributed airflow comprises an adsorption tower 1, an air inlet pipe 2 and a plurality of guide assemblies arranged in the adsorption tower 1, wherein the guide assemblies are communicated with the air inlet pipe 2; the adsorption tower 1 includes a tower body 11 having an open top and a top cover 12 bolted to the open top.
Referring to fig. 1, an adsorption tower 1 is vertically disposed; intake pipe 2 passes the diapire of adsorption tower 1 and extends to in the adsorption tower 1, and 2 vertical settings of intake pipe, intake pipe 2 are fixed through the welded mode realization with adsorption tower 1.
Referring to fig. 2, a plurality of flow guide assemblies are coaxially arranged with the adsorption tower 1, and the plurality of flow guide assemblies are sequentially arranged from inside to outside; the guide assembly comprises a straight pipe 31 inserted in the air inlet pipe 2, a diffusion cover 32 fixedly connected to one end of the straight pipe 31 positioned outside the air inlet pipe 2, and a guide cylinder 33 fixedly connected to one end, far away from the straight pipe 31, of the diffusion cover 32.
Referring to fig. 2, the cross-sectional area of the inner cavity of the middle straight tube 31 is equal to the cross-sectional area of the annular cavity between two adjacent straight tubes 31, and the outer wall of the outermost straight tube 31 is tightly attached to the inner wall of the air inlet tube 2, so that the air introduced into the air inlet tube 2 is uniformly distributed, and the air is uniformly dispersed into the adsorption tower 1.
Referring to fig. 2, the diffusion cover 32 gradually increases in diameter in a direction away from the straight tubes 31, the outer side wall of the outermost diffusion cover 32 is in close contact with the inner wall of the adsorption tower 1, and the diffusion cover 32 diffuses air uniformly distributed through the plurality of straight tubes 31.
Referring to fig. 2, the cross-sectional area of the inner cavity of the middle guide shell 33 is equal to the cross-sectional area of the annular cavity between two adjacent guide shells 33, so that the cross-sectional area of the adsorption tower 1 is uniformly distributed, and the air uniformly distributed by the straight pipes 31 can be uniformly distributed into the adsorption tower 1 through the guide shells 33, so that the air can be uniformly distributed in the adsorption tower 1.
Referring to fig. 2, the guide cylinder 33 is arranged to guide the air diffused by the diffusion cover 32, and the air collides with the sidewall of the guide cylinder 33, so that the flow direction is changed from an inclined state to a vertical state, thereby improving the uniformity of the air dispersion in the adsorption tower 1.
Referring to fig. 2, the outer side wall of the guide cylinder 33 on the outermost side is connected with the guide strip 4, the inner wall of the adsorption tower 1 is provided with guide grooves 13 for the guide strip 4 to be inserted, the two guide strips 4 and the two guide grooves 13 are symmetrically arranged about the axis of the adsorption tower 1, and the two guide strips 4 and the two guide grooves 13 are both parallel to the axis of the adsorption tower 1.
Referring to fig. 2, when an operator installs a plurality of diversion assemblies in the adsorption tower 1, the guide strip 4 is inserted into the guide groove 13 and slides, so that guidance is realized for installation of the plurality of diversion assemblies, and improvement of stability of the diversion assemblies in the adsorption tower 1 is facilitated.
Referring to fig. 2 and 3, a second flow guide ring 7 arranged in an arc shape is fixedly connected to a corner of the diffuser 32 and the guide cylinder 33, and an outer arc surface of the second flow guide ring 7 is tangent to an inner wall of the diffuser 32 and an outer arc surface of the second flow guide ring 7 is tangent to an inner wall of the guide cylinder 33.
Referring to fig. 2 and 3, the second guide ring 7 is arranged to guide the air flowing from the diffuser 32 to the guide cylinder 33, and reduces the possibility of the air colliding or rubbing with the guide cylinder 33 to reduce the flow speed.
Referring to fig. 2 and 4, a first flow guide ring 6 in an arc shape is fixedly connected to a corner of the straight pipe 31 and the diffusion cover 32, and an outer arc surface of the first flow guide ring 6 is tangent to an outer wall of the diffusion cover 32 and an outer arc surface of the first flow guide ring 6 is tangent to an outer wall of the straight pipe 31.
Referring to fig. 2 and 4, the arrangement of the first deflector ring 6 guides the air flowing from the straight pipe 31 to the diffuser cap 32, and reduces the possibility of the air colliding or rubbing against the diffuser cap 32 to reduce the flow speed.
Referring to fig. 5, four insertion grooves 311 are respectively formed in one end of the plurality of straight pipes 31, which faces away from the diffusion cover 32, along the length direction of the straight pipes, the four insertion grooves 311 are circumferentially and uniformly distributed around the axis of the flow guide assembly, the positions of the four insertion grooves 311 on two adjacent straight pipes 31 correspond to each other one by one, and the same installation piece 5 arranged in a cross shape is inserted into the four insertion grooves 311 of the plurality of straight pipes 31.
Referring to fig. 5, the coaxiality of the plurality of straight pipes 31 is enhanced by the insertion fit of the mounting pieces 5 and the insertion grooves 311, so that the accuracy of uniform distribution of air in the straight pipes 31 is improved.
Referring to fig. 5, after the installation sheet 5 is inserted into the insertion groove 311 of the straight pipe 31, the installation sheet 5 is welded to the straight pipe 31, so that the connection between the guide assemblies is realized.
Referring to fig. 5, four limiting grooves 21 are formed in the inner side wall of the air inlet pipe 2 at one end in the adsorption tower 1, the limiting grooves 21 are parallel to the axis direction of the adsorption tower 1, and four sides of the mounting piece 5 correspond to one limiting groove 21 respectively and are in plug-in fit with the limiting groove 21.
Referring to fig. 5, when an operator installs a plurality of flow guide assemblies in the adsorption tower 1, four sides of the installation sheet 5 are respectively inserted into the corresponding limiting grooves 21, so that the straight pipes 31 are inserted to achieve guidance, and meanwhile, the installation sheet 5 and the insertion grooves 311 are inserted and matched to stabilize the coaxiality between the air inlet pipe 2 and the straight pipes 31.
Referring to fig. 5, the bottom end of the mounting piece 5 and the bottom end of the straight tube 31 are respectively provided with a guide inclined plane 8, the guide inclined plane 8 at the bottom end of the outermost straight tube 31 is inclined downwards from the inside to the outside of the adsorption tower 1, and the guide inclined planes 8 at the bottom ends of the other straight tubes 31 and the mounting piece 5 are all arranged in a V shape.
Referring to fig. 5, the provision of the guide slope 8 guides air, reducing the possibility of air striking the bottom surfaces of the mounting plate 5 and the straight tube 31 and causing air maldistribution.
The implementation principle of this application embodiment an air current equipartition type adsorption tower does: air enters the flow guide assembly from the air inlet pipe 2, the air firstly enters the straight pipes 31, the transverse cross-sectional area of the inner cavity of the middle straight pipe 31 is equal to the cross-sectional area of the annular cavity between the two adjacent straight pipes 31, the outer diameter of the outermost straight pipe 31 is equal to the inner diameter of the air inlet pipe 2, and the air in the air inlet pipe 2 is uniformly distributed by the straight pipes 31. Then the uniform air enters the diffusion cover 32, the diffusion cover 32 disperses the air, the dispersed air enters the guide cylinders 33, the cross-sectional area of the inner cavity of the guide cylinder 33 at the middle is equal to that of the annular cavity between the two adjacent guide cylinders 33, the guide cylinders 33 uniformly distribute the cross-sectional area of the adsorption tower 1, and the uniformly distributed air can be uniformly dispersed into the adsorption tower 1, so that the uniform distribution of the air in the adsorption tower 1 is realized.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides an air current equipartition type adsorption tower, includes adsorption tower (1), intake pipe (2) pass the diapire of adsorption tower (1) and extend to in adsorption tower (1), its characterized in that: be equipped with a plurality of water conservancy diversion subassembly in adsorption tower (1), a plurality of water conservancy diversion subassembly and adsorption tower (1) are coaxial and by interior and set gradually outward, connect between two adjacent water conservancy diversion subassemblies, the water conservancy diversion subassembly includes straight tube (31), connects diffusion cover (32) in straight tube (31) one end, diffusion cover (32) grow gradually along the direction diameter of keeping away from straight tube (31), and a plurality of straight tube (31) all communicate with each other with intake pipe (2), and the cross-sectional area of ring type cavity equals between the cross-sectional area of middle straight tube (31) inner chamber and two adjacent straight tube (31), and the external diameter of outside straight tube (31) equals the internal diameter of intake pipe (2), and the lateral wall of outside side water conservancy diversion subassembly diffusion cover (32) is hugged closely with the inner wall of adsorption tower (1).
2. The gas flow equipartition type adsorption tower of claim 1, wherein: one end of the diffusion cover (32), which is back to the straight pipe (31), is connected with a guide cylinder (33), and the cross-sectional area of the inner cavity of the middle guide cylinder (33) is equal to that of the annular cavity between two adjacent guide cylinders (33).
3. The gas flow equipartition type adsorption tower of claim 2, wherein: the outer side wall of the guide cylinder (33) on the outermost side is connected with a guide strip (4), the inner wall of the adsorption tower (1) is provided with a guide groove (13) for the guide strip (4) to insert, and the guide strip (4) and the guide groove (13) are both parallel to the axis of the adsorption tower (1).
4. The gas flow equipartition type adsorption tower of claim 1, wherein: one end of each straight pipe (31) back to the diffusion cover (32) is respectively provided with four insertion grooves (311) along the length direction, the four insertion grooves (311) are circumferentially and uniformly distributed around the axis of the flow guide assembly, the positions of the four insertion grooves (311) on two adjacent straight pipes (31) correspond to each other one by one, and the same installation piece (5) arranged in a cross shape is inserted into the four insertion grooves (311) of the straight pipes (31).
5. The gas flow equipartition type adsorption tower of claim 4, wherein: the straight pipe (31) is inserted in the air inlet pipe (2), a limiting groove (21) is formed in the inner side wall of one end, located in the adsorption tower (1), of the air inlet pipe (2), the limiting groove (21) is parallel to the axis direction of the adsorption tower (1), and four sides of the installation piece (5) correspond to one limiting groove (21) respectively and are matched with the limiting groove in an inserted mode.
6. The gas flow equipartition type adsorption tower of claim 2, wherein: a first flow guide ring (6) which is arranged in an arc shape is connected to the corner of the straight pipe (31) and the diffusion cover (32), the outer arc surface of the first flow guide ring (6) is tangent to the outer wall of the diffusion cover (32), and the outer arc surface of the first flow guide ring (6) is tangent to the outer wall of the straight pipe (31) respectively; the corner of diffusion cover (32) and draft tube (33) is connected with second guide ring (7) that is the setting of circular arc type, the extrados of second guide ring (7) and the inner wall of diffusion cover (32), the extrados of second guide ring (7) and the inner wall of draft tube (33) are tangent respectively.
7. The gas flow equipartition type adsorption tower of claim 5, wherein: the bottom end of the mounting piece (5) and the bottom end of the straight pipe (31) are respectively provided with a guide inclined plane (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022788093.2U CN213853794U (en) | 2020-11-26 | 2020-11-26 | Airflow uniform distribution type adsorption tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022788093.2U CN213853794U (en) | 2020-11-26 | 2020-11-26 | Airflow uniform distribution type adsorption tower |
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| CN213853794U true CN213853794U (en) | 2021-08-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211204A (en) * | 2021-12-21 | 2022-03-22 | 北京星航机电装备有限公司 | Gamma-shaped half-section end ring and superplastic forming method thereof |
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2020
- 2020-11-26 CN CN202022788093.2U patent/CN213853794U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211204A (en) * | 2021-12-21 | 2022-03-22 | 北京星航机电装备有限公司 | Gamma-shaped half-section end ring and superplastic forming method thereof |
| CN114211204B (en) * | 2021-12-21 | 2023-02-03 | 北京星航机电装备有限公司 | Gamma-shaped half-section end ring and superplastic forming method thereof |
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