CN211987159U - Novel debenzolization tower - Google Patents
Novel debenzolization tower Download PDFInfo
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- CN211987159U CN211987159U CN201922429272.4U CN201922429272U CN211987159U CN 211987159 U CN211987159 U CN 211987159U CN 201922429272 U CN201922429272 U CN 201922429272U CN 211987159 U CN211987159 U CN 211987159U
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Abstract
The utility model relates to a novel debenzolization tower, including the tower body, be provided with feed inlet and discharge gate on the tower body, install liquid distributor in the tower body, the tower body includes the rectifying section on upper portion and the stripping section of lower part, installs the multilayer column plate on the rectifying section, is provided with two sections novel regular packings on the stripping section, is provided with liquid collection redistributor between two sections packings, and the lower part internal diameter of stripping section is greater than the internal diameter on the upper portion of stripping section. Furthermore, the column plate is a float valve column plate, the novel structured packing is corrugated packing, and the surface of the packing is subjected to bluing treatment to improve the corrosion resistance. The ratio of the inner diameter of the lower part of the stripping section to the inner diameter of the upper part of the stripping section is (3-4):5, and a flash evaporation feeder is arranged on the feed inlet. The actual increase of the treatment capacity after modification is 13t/h, the treatment capacity of the whole device is improved, and the yield of the device is further improved; the purity of benzene at the tower top is actually improved by 20 percent; the alkane content in the circulating benzene is reduced, and the energy consumption of the device is effectively reduced.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, concretely relates to novel debenzolization tower.
Background
The debenzolization tower is one of the important components of the alkylation fractionation system, and the treatment capacity and the separation effect directly influence the yield and the energy consumption of the device. Mixed feeding is carried out in the middle part, and benzene is discharged from the top of the tower; the alkane and alkylate are discharged from the bottom of the tower. The prior debenzolization tower has small treatment capacity and low debenzolization efficiency. Therefore, there is a need for improvements to existing debenzolization towers.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides a novel debenzolization tower, specific technical scheme is as follows:
the utility model provides a novel debenzolization tower, includes the tower body, the tower body on be provided with feed inlet and discharge gate, install liquid distributor in the tower body, the tower body include the rectification section on upper portion and the stripping section of lower part, the rectification section on install the multilayer column plate, the stripping section on be provided with two sections novel regular packing, be provided with liquid collection redistributor between two sections packings, the lower part internal diameter of stripping section be greater than the internal diameter on the upper portion of stripping section.
Further, the tray is a floating valve tray.
Furthermore, the novel structured packing is corrugated packing, and the surface of the packing is subjected to bluing treatment to improve the corrosion resistance.
Furthermore, the ratio of the inner diameter of the lower part of the stripping section to the inner diameter of the upper part of the stripping section is (3-4): 5.
Furthermore, a flash evaporation feeder is arranged on the feeding hole.
Furthermore, the heights of the upper section of the novel structured packing and the lower section of the novel structured packing are respectively 18-20% and 36-40% of the height of the tower body.
Furthermore, the number of the plates of the rectifying section is 15, and the number of the additional plates of the stripping section is 16.
The utility model has the advantages that: the actual increase of the treatment capacity after modification is 13t/h, the treatment capacity of the whole device is improved, and the yield of the device is further improved; the purity of benzene at the tower top is actually improved by 20 percent; the alkane content in the circulating benzene is reduced, and the energy consumption of the device is effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of a novel debenzolization tower of the embodiment of the present invention.
Wherein, the distillation tower comprises a tower body 1, a rectifying section 2, a stripping section 3, a structured packing 4, a liquid collecting redistributor 5, a stripping section 6 and a stripping section 7.
The specific implementation mode is as follows:
in order to deepen understanding of the present invention, the following detailed description is made on the embodiments of the present invention with reference to the accompanying drawings.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve.
Examples
With reference to figure 1 of the drawings,
the utility model provides a novel debenzolization tower, includes tower body 1, is provided with feed inlet and discharge gate on the tower body 1, installs liquid distributor in the tower body, and the tower body includes rectifying section 2 on upper portion and stripping section 3 of lower part, installs the multilayer column plate on the rectifying section 2, is provided with two sections novel regular fillers 4 on the stripping section 3, is provided with liquid collection redistributor 5 between two sections fillers, and 6 internal diameters in the lower part of stripping section are greater than the internal diameter of the upper portion 7 of stripping section.
Further, the trays are valve trays.
Furthermore, the novel structured packing 4 is corrugated packing, and the surface of the packing 4 is subjected to bluing treatment to improve the corrosion resistance.
Further, the ratio of the inner diameter of the lower part 6 of the stripping section to the inner diameter of the upper part 7 of the stripping section is (3-4): 5.
Further, a flash evaporation feeder is arranged on the feeding hole.
Further, the heights of the upper section of the novel structured packing 4 and the lower section of the novel structured packing 4 are respectively 18-20% and 36-40% of the height of the tower body.
Further, the number of plates in the rectifying section 2 was 15, and the number of plates in the stripping section 3 was 16.
The utility model has the advantages that: the actual increase of the treatment capacity after modification is 13t/h, the treatment capacity of the whole device is improved, and the yield of the device is further improved; the purity of benzene at the tower top is actually improved by 20 percent; the alkane content in the circulating benzene is reduced, and the energy consumption of the device is effectively reduced.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, but also comprises the technical scheme consisting of the equivalent replacement of the technical features. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.
Claims (7)
1. The utility model provides a novel debenzolization tower, a serial communication port, includes the tower body, the tower body on be provided with feed inlet and discharge gate, install liquid distributor in the tower body, the tower body include the rectifying section on upper portion and the stripping section of lower part, the rectifying section on install the multilayer column plate, the stripping section on be provided with two sections novel regular packing, be provided with liquid collection redistributor between two sections packs, the lower part internal diameter of stripping section be greater than the internal diameter on the upper portion of stripping section.
2. The novel debenzolization column as claimed in claim 1, wherein said trays are valve trays.
3. The novel debenzolization tower as claimed in claim 1, wherein said novel structured packing is corrugated packing, and the surface of said packing is blued to increase corrosion resistance.
4. The novel debenzolization column as claimed in claim 1, characterized in that the ratio of the internal diameter of the lower part of said stripping section to the internal diameter of the upper part of said stripping section is (3-4): 5.
5. The novel debenzolization column as recited in claim 1, wherein a flash feeder is installed at the feed inlet.
6. The novel debenzolization tower as claimed in claim 1, wherein the heights of the upper and lower sections of novel structured packing are respectively 18-20% and 36-40% of the height of the tower body.
7. The novel debenzolization column as claimed in claim 1, wherein the number of the trays in the rectification section is 15, and the number of the trays in the stripping section is 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922429272.4U CN211987159U (en) | 2019-12-30 | 2019-12-30 | Novel debenzolization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922429272.4U CN211987159U (en) | 2019-12-30 | 2019-12-30 | Novel debenzolization tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211987159U true CN211987159U (en) | 2020-11-24 |
Family
ID=73428294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922429272.4U Active CN211987159U (en) | 2019-12-30 | 2019-12-30 | Novel debenzolization tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211987159U (en) |
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2019
- 2019-12-30 CN CN201922429272.4U patent/CN211987159U/en active Active
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