CN219721984U - Acetone adsorption tower - Google Patents
Acetone adsorption tower Download PDFInfo
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- CN219721984U CN219721984U CN202223591224.3U CN202223591224U CN219721984U CN 219721984 U CN219721984 U CN 219721984U CN 202223591224 U CN202223591224 U CN 202223591224U CN 219721984 U CN219721984 U CN 219721984U
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- Prior art keywords
- acetone
- adsorbent
- adsorption tower
- tower
- tower body
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- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 39
- 239000003463 adsorbent Substances 0.000 claims abstract description 48
- 238000011049 filling Methods 0.000 claims abstract description 21
- 239000007787 solid Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 35
- 238000005192 partition Methods 0.000 claims description 16
- 238000011068 loading method Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 17
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 15
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 7
- 239000000395 magnesium oxide Substances 0.000 description 7
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 7
- 239000002131 composite material Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses an acetone adsorption tower, which comprises a tower body, wherein an adsorbent filling chamber is arranged in the tower body; the utility model forms a multi-layer baffling unit through the arranged baffle plates, the support plates and the sieve plates together, ensures the efficient adsorption of acetone, ensures the filling, replacement and cleaning of the solid adsorbent to be simple and convenient, forms a passage inside by arranging two air inlets and an air outlet, recycles the acetone adsorbed by the solid adsorbent through a condenser connected with an air outlet pipeline after the air inlet is filled with dry hot air, and can be reused after the solid adsorbent is desorbed, thereby realizing the efficient utilization of the adsorbent.
Description
Technical Field
The utility model relates to the technical field of chemical equipment, in particular to an acetone adsorption tower.
Background
The adsorption tower is industrial equipment widely applied to the fields of chemical production, new energy, pharmacy, petrochemical industry, electric power and the like, and in the industrial production, the adsorption tower mainly realizes adsorption separation of certain components in gas or liquid entering the tower through a porous structure or special properties of a solid adsorbent in the tower.
In the industrial production of acetonitrile, a trace amount of acetone is mixed with the mixture, so that the purity of the acetonitrile product is reduced, wherein, the acetone is an important organic synthesis raw material in the production, can be used for producing medical and pesticide intermediates, high polymer resins, organic glass and the like, can be used as a solvent of paint and adhesive, and is necessary for adsorbing and recovering the acetone in the acetonitrile production. However, the existing acetone adsorption tower has a plurality of defects when in use, the adsorption efficiency of the adsorption tower to acetone is very low, a large amount of adsorbents are often needed to be used for adsorption, and the adsorbents cannot be reused once being used up, so that the later cleaning of the adsorbents is also a great difficulty.
Disclosure of Invention
The utility model mainly aims to provide an acetone adsorption tower which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an acetone adsorption tower comprises a tower body, wherein an adsorbent filling chamber is arranged in the tower body; the adsorbent filling chamber comprises partition plates, support plates and sieve trays, wherein the adsorbent filling chamber is layered through the partition plates, the partition plates and the inner wall of the tower are connected with the support plates, the support plates and the partition plates are sequentially staggered, the sieve trays are positioned at two sides of the adsorbent filling chamber, a plurality of through holes are formed in the plate surfaces, and the support plates, the partition plates and the sieve trays form a baffling unit together; and the manhole is arranged on the outer wall of the tower body and is communicated with the adsorbent filling chamber.
In a preferred embodiment, the bottom of the adsorbent filling chamber is further provided with a bottom plate, and the bottom plate and the lowest support plate jointly form an air inlet.
In a preferred embodiment, the two air inlets are formed in the tower in total, each air inlet is communicated with an air inlet pipe, and the air inlet pipe is provided with an air inlet valve.
In a preferred embodiment, the top of the tower body is provided with a gas collecting tank, and the top of the gas collecting tank is provided with a gas outlet.
In a preferred embodiment, the air outlet is connected with an air outlet pipe, and the air outlet pipe is used for being connected with the condenser through a pipeline.
In a preferred embodiment, a liquid outlet is formed in one side above the tower body, a liquid inlet is formed in the other side below the tower body, valves are formed in the liquid outlet and the liquid inlet, and the valves corresponding to each other in sequence are a liquid outlet valve and a liquid inlet valve.
In a preferred embodiment, the tray surface through-hole apertures are smaller than the solid sorbent diameters.
In a preferred embodiment, a filter plate is further arranged in the tower body, and the filter plate is positioned at the lower part of the gas collecting tank and is used for filtering gas and liquid in the tower.
In a preferred embodiment, the manhole further comprises a short pipe, a flange and a hole cover, wherein the short pipe and the hole cover are fixed through the flange, and a handle is arranged on the hole cover.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The multi-layer baffling unit is formed by the baffle plates, the support plates and the sieve plates, so that gas and liquid can move in a baffling way in the tower, the length of a flow channel of the gas and liquid in the tower can be effectively prolonged, the device can adsorb acetone for a longer time, and the high-efficiency adsorption of the acetone is ensured.
(2) According to the utility model, through the manhole communicated with the adsorbent filling chambers and the combination of the hole cover, the flange and the handle, each adsorbent filling chamber is provided with a specific filling area, so that a worker can conveniently and more conveniently finish the filling, replacing and cleaning operations of the solid adsorbent.
(3) According to the utility model, the two air inlets and the air outlet are arranged to form the passage inside, after the hot dry air is introduced into the air inlets, acetone adsorbed by the internal solid adsorbent flows through the condenser connected with the air outlet pipeline for recycling, and the solid adsorbent can be reused after being desorbed, so that the adsorption cost can be effectively saved, and the adsorbent can be more efficiently utilized.
Drawings
FIG. 1 is a schematic view showing an internal structure of an acetone adsorption tower according to the present utility model;
FIG. 2 is a schematic view showing the external structure of an acetone adsorption tower according to the present utility model;
FIG. 3 is a view showing a specific structure of a manhole of an acetone adsorption tower according to the present utility model;
fig. 4 is a schematic diagram of a condensation recovery structure of an acetone adsorption tower according to the present utility model.
In the figure: 1. a tower body; 2. an adsorbent loading chamber; 3. a partition plate; 4. a support plate; 5. a sieve plate; 6. a manhole; 7. a bottom plate; 8. an air inlet; 9. an air inlet pipe; 10. an intake valve; 11. a gas collecting tank; 12. an air outlet; 13. an air outlet pipe; 14. a liquid outlet; 15. a liquid inlet; 16. a liquid outlet valve; 17. a liquid inlet valve; 18. a condenser; 19. a filter plate; 20. a short pipe; 21. a flange; 22. a hole cover; 23. a handle.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Specific examples: as shown in fig. 1-3, an acetone adsorption tower comprises a tower body 1, wherein an adsorbent loading chamber 2 is arranged in the tower body 1, the adsorbent loading chamber 2 comprises a partition plate 3, a support plate 4 and a sieve plate 5, the adsorbent loading chamber 2 is layered through the partition plate 3, each layer of partition plate 3 is connected with the inner wall of the tower, the support plate 4 and the partition plate 3 are sequentially staggered, the sieve plate 5 is positioned on two sides of the adsorbent loading chamber 2, a plurality of through holes are formed in the surface of the support plate, the support plate 4, the partition plate 3 and the sieve plate 5 jointly form a baffling unit, a manhole 6 is arranged on the outer wall of the tower body 1 and is communicated with the adsorbent loading chamber 2, and the solid adsorbent is conveniently loaded and replaced through the combination of the arranged manhole 6 and the adsorbent loading chamber 2.
According to the drawings 1 and 4, the bottom of the adsorbent filling chamber 2 is also provided with a bottom plate 7, the bottom plate 7 and the lowest support plate 4 form an air inlet 8 together, the air inlet 8 is provided with two parts in the tower in total, each air inlet 8 is communicated with an air inlet pipe 9, the air inlet pipe 9 is provided with an air inlet valve 10, the top of the tower body 1 is provided with an air collecting tank 11, the top of the air collecting tank 11 is provided with an air outlet 12, the air outlet 12 is connected with an air outlet pipe 13, the air outlet pipe 13 is used for connecting a condenser 18, one side above the tower body 1 is provided with a liquid outlet 14, the other side below the tower body 1 is provided with a liquid inlet 15, the liquid outlet 14 and the liquid inlet 15 are provided with valves, and the valves corresponding in sequence are a liquid outlet valve 16 and a liquid inlet valve 17.
Specifically, the diameter of the through holes on the surface of the sieve tray 5 is smaller than the diameter of the solid adsorbent, and the solid adsorbent introduced into the adsorbent filling chamber 2 is an activated carbon adsorbent loaded with magnesium oxide.
The porous active carbon loaded magnesium oxide composite material has the greatest advantages that the magnesium oxide loading capacity is large and can be regulated and controlled in a larger range; the magnesium oxide has good dispersibility, is uniformly filled in the pores of the porous activated carbon and is uniformly deposited on the surface of the porous activated carbon; the magnesium oxide is deposited on the surface and in the holes of the porous carbon in situ, so that on one hand, the large specific surface area and the pore diameter of the activated carbon are beneficial to the adsorption of acetone gas on the surface of the activated carbon, and on the other hand, the magnesium oxide dispersed in the activated carbon can also have chemical actions such as breaking and recombination of chemical bonds with the acetone, and can also promote the adsorption of the activated carbon to the acetone, and the adsorption effect is obvious.
Further, a filter plate 19 is further arranged in the tower body 1, and the filter plate 19 is positioned at the lower part of the gas collecting tank 11 and is used for filtering gas and liquid in the tower.
Specifically, according to fig. 3, the manhole 6 further includes a short pipe 20, a flange 21, and a hole cover 22, where the short pipe 20 and the hole cover 22 are fixed by the flange 21, and the hole cover 22 is provided with a handle 23, and a sealing ring is further provided in the hole cover 22 for improving the sealing effect of the manhole structure.
Working principle: when the acetone adsorption tower is used, firstly, the active carbon composite adsorbent loaded with magnesium oxide is added into a filling chamber from a manhole, a liquid inlet valve 17 and a liquid outlet valve 16 are opened, industrial acetonitrile (the content of acetonitrile is 98-99% and the content of acetone is 50-100 ppm) is introduced, the composite adsorbent is utilized to perform specific adsorption on trace acetone, and adsorption liquid flows out from a liquid outlet through a filter plate; after the adsorption is finished, the liquid inlet and outlet valve is closed, the gas inlet and outlet valve is opened, dry hot air is introduced from two air inlets to desorb the composite adsorbent, the desorbed gas containing acetone is recovered from the upper air outlet through the condenser, the desorbed adsorbent can be recycled, the multi-layer baffling unit is formed by the arranged baffle plates, the support plates and the sieve trays together, so that the gas and liquid can move in a baffling way in the tower, the length of a flow channel of the gas and liquid in the tower can be effectively prolonged, the device can ensure the efficient adsorption of acetone for a longer time of adsorption, the solid adsorbent is filled, replaced and cleaned simply and conveniently by arranging the manhole communicated with the adsorbent filling chamber, and a passage is formed inside the solid adsorbent by arranging the two air inlets and the air outlet.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. An acetone adsorption tower, which is characterized by comprising,
the tower body (1), the tower body (1) is internally provided with an adsorbent filling chamber (2);
the adsorbent filling chamber (2) comprises a partition plate (3), a support plate (4) and sieve trays (5), wherein the adsorbent filling chamber (2) is layered through the partition plate (3), each layer of partition plate (3) is connected with the support plate (4) and the inner wall of the tower, the support plates (4) and the partition plates (3) are sequentially staggered, the sieve trays (5) are positioned on two sides of the adsorbent filling chamber (2), a plurality of through holes are formed in the surface of each sieve tray, and the support plates (4), the partition plates (3) and the sieve trays (5) form a baffling unit together;
and the manhole (6) is arranged on the outer wall of the tower body (1) and is communicated with the adsorbent filling chamber (2).
2. An acetone adsorption tower according to claim 1 wherein the adsorbent loading chamber (2) bottom is further provided with a bottom plate (7), the bottom plate (7) and the lowermost support plate (4) together forming an air inlet (8).
3. The acetone adsorption tower according to claim 2, wherein the air inlets (8) are formed in two positions in the tower, each air inlet (8) is communicated with an air inlet pipe (9), and the air inlet pipe (9) is provided with an air inlet valve (10).
4. An acetone adsorption tower according to claim 3, wherein the top of the tower body (1) is provided with a gas collecting tank (11), and the top of the gas collecting tank (11) is provided with a gas outlet (12).
5. The acetone adsorption tower according to claim 4, wherein the air outlet (12) is connected with an air outlet pipe (13), and the air outlet pipe (13) is used for being connected with a condenser (18) through a pipeline.
6. The acetone adsorption tower according to claim 5, wherein a liquid outlet (14) is formed in one side above the tower body (1), a liquid inlet (15) is formed in the other side below the tower body (1), valves are formed in the liquid outlet (14) and the liquid inlet (15), and the valves corresponding to each other in sequence are a liquid outlet valve (16) and a liquid inlet valve (17).
7. An acetone adsorption tower according to claim 6 wherein the sieve trays (5) have surface through-holes of smaller diameter than the solid adsorbent.
8. The acetone adsorption tower according to claim 7, wherein a filter plate (19) is further arranged in the tower body (1), and the filter plate (19) is positioned at the lower part of the gas collecting tank (11) and is used for filtering gas and liquid in the tower.
9. The acetone adsorption tower according to claim 8, wherein the manhole (6) further comprises a short pipe (20), a flange (21) and a hole cover (22), the short pipe (20) and the hole cover (22) are fixed through the flange (21), and a handle (23) is arranged on the hole cover (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223591224.3U CN219721984U (en) | 2022-12-29 | 2022-12-29 | Acetone adsorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223591224.3U CN219721984U (en) | 2022-12-29 | 2022-12-29 | Acetone adsorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219721984U true CN219721984U (en) | 2023-09-22 |
Family
ID=88027333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223591224.3U Active CN219721984U (en) | 2022-12-29 | 2022-12-29 | Acetone adsorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219721984U (en) |
-
2022
- 2022-12-29 CN CN202223591224.3U patent/CN219721984U/en active Active
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