CN219784705U - Device for reducing styrene tar yield - Google Patents
Device for reducing styrene tar yield Download PDFInfo
- Publication number
- CN219784705U CN219784705U CN202320993503.8U CN202320993503U CN219784705U CN 219784705 U CN219784705 U CN 219784705U CN 202320993503 U CN202320993503 U CN 202320993503U CN 219784705 U CN219784705 U CN 219784705U
- Authority
- CN
- China
- Prior art keywords
- polyethylbenzene
- tower
- boiling
- styrene tar
- tar yield
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000000126 substance Substances 0.000 claims abstract description 30
- 238000010992 reflux Methods 0.000 claims abstract description 22
- 238000009835 boiling Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims description 4
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract description 6
- 239000012188 paraffin wax Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model provides a device for reducing styrene tar yield, including the polyethylbenzene tower, high-boiling substance cooler and high-boiling substance jar have been connected gradually to the bottom of polyethylbenzene tower, the top of polyethylbenzene tower is connected with polyethylbenzene top of the tower condenser, be connected with polyethylbenzene tower reflux drum on the polyethylbenzene top of the tower condenser, two pipelines are divided to the tank bottom of polyethylbenzene tower reflux drum, reflux to the polyethylbenzene tower in one way, another way is carried through paraffin transfer material charge pump, through the high-boiling substance outlet device line of new preparation, high-boiling substance is incorporated into the C10 crude aromatic hydrocarbon line, reduce styrene tar yield, increase C10 crude aromatic hydrocarbon output simultaneously, increase company economic benefits.
Description
Technical Field
The utility model relates to the technical field of chemical equipment, in particular to a device for reducing styrene tar generation amount.
Background
A part of the byproduct high-boiling substances of the ethylbenzene device are used as dehydrogenation tail gas absorbent of the styrene device and a thin film evaporator liquid level meter for flushing, and most of the surplus high-boiling substances are mixed into styrene tar for outward delivery treatment. Because of the special physical properties, the styrene tar is easy to generate polymerization reaction with various oil products, and the styrene tar is used as a dangerous waste, can only be subjected to solid waste treatment by an environmental protection unit, has higher cost, is limited by the treatment capacity of the environmental protection unit and the transportation of dangerous chemicals, and causes great treatment difficulty.
Disclosure of Invention
In order to solve the technical defects in the prior art, the utility model provides a device for reducing the generation amount of styrene tar.
The technical scheme adopted by the utility model is as follows: the device for reducing the styrene tar production comprises a polyethylbenzene tower, wherein the bottom of the polyethylbenzene tower is sequentially connected with a high-boiling-point substance cooler and a high-boiling-point substance tank, the top of the polyethylbenzene tower is connected with a polyethylbenzene tower top condenser, the polyethylbenzene tower top condenser is connected with a polyethylbenzene tower reflux tank, the bottom of the polyethylbenzene tower reflux tank is divided into two pipelines, one pipeline is refluxed to the polyethylbenzene tower, and the other pipeline is conveyed by an alkane transfer material feed pump.
The bottom of the polyethylbenzene tower is also connected with a polyethylbenzene tower reboiler, and the polyethylbenzene tower reboiler is connected back to the bottom of the polyethylbenzene tower through a circulating pipeline.
And a polyethylbenzene tower bottom pump is arranged between the polyethylbenzene tower and the high-boiling-point substance cooler.
The bottom of the high-boiling-point substance tank is also provided with a high-boiling-point substance delivery pump.
And a polyethylbenzene tower reflux pump is arranged on a pipeline of the polyethylbenzene tower for refluxing the bottom of the polyethylbenzene tower reflux tank.
The beneficial effects of the utility model are as follows: the utility model provides a device for reducing the generation amount of styrene tar, which comprises a polyethylbenzene tower, wherein the bottom of the polyethylbenzene tower is sequentially connected with a high-boiling-point substance cooler and a high-boiling-point substance tank, the top of the polyethylbenzene tower is connected with a polyethylbenzene tower top condenser, the polyethylbenzene tower top condenser is connected with a polyethylbenzene tower reflux tank, the bottom of the polyethylbenzene tower reflux tank is divided into two pipelines, one pipeline is refluxed to the polyethylbenzene tower, the other pipeline is conveyed by an alkane transfer material feeding pump, and the high-boiling-point substance is merged into a C10 crude aromatic hydrocarbon line through a newly prepared high-boiling-point substance outlet device line, so that the generation amount of the styrene tar is reduced, the yield of the C10 crude aromatic hydrocarbon is increased, and the economic benefit of companies is increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Wherein the device comprises a 1-polyethylbenzene tower, a 2-high-boiling-point substance cooler, a 3-high-boiling-point substance tank, a 4-polyethylbenzene tower top condenser, a 5-polyethylbenzene tower reflux tank, a 6-alkane transfer material feeding pump, a 7-polyethylbenzene tower reboiler, an 8-polyethylbenzene tower bottom pump, a 9-high-boiling-point substance external feeding pump and a 10-polyethylbenzene tower reflux pump.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are within the scope of the utility model based on the embodiments of the utility model.
The device for reducing the styrene tar production comprises a polyethylbenzene tower 1, wherein the bottom of the polyethylbenzene tower 1 is sequentially connected with a high-boiling-point substance cooler 2 and a high-boiling-point substance tank 3, the top of the polyethylbenzene tower 1 is connected with a polyethylbenzene top condenser 4, the polyethylbenzene top condenser 4 is connected with a polyethylbenzene tower reflux tank 5, the bottom of the polyethylbenzene tower reflux tank 5 is divided into two pipelines, one pipeline is refluxed to the polyethylbenzene tower 1, and the other pipeline is conveyed by an alkane transfer material feed pump 6. The bottom of the polyethylbenzene tower 1 is also connected with a polyethylbenzene tower reboiler 7, and the polyethylbenzene tower reboiler 7 is connected back to the bottom of the polyethylbenzene tower 1 through a circulation pipeline. And a polyethylbenzene tower bottom pump 8 is arranged between the polyethylbenzene tower 1 and the high-boiling-point substance cooler 2. The bottom of the high-boiling-point substance tank 3 is also provided with a high-boiling-point substance delivery pump 9. The bottom of the polyethylbenzene tower reflux tank 5 is provided with a polyethylbenzene tower reflux pump 10 on a pipeline of the polyethylbenzene tower 1. The utility model combines the high-boiling-point substances into the C10 crude aromatic hydrocarbon line through the newly prepared high-boiling-point substances outlet device line, reduces the generation amount of styrene tar, increases the yield of the C10 crude aromatic hydrocarbon, increases the economic benefit of companies, has low investment and high return rate, and occupies small area. In daily production, the method can reduce the generation amount of styrene tar, and provides a new idea and method for energy conservation and emission reduction of the device and green and safe production.
The skilled person will know: while the utility model has been described in terms of the foregoing embodiments, the inventive concepts are not limited to the utility model, and any modifications that use the inventive concepts are intended to be within the scope of the appended claims.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (5)
1. The utility model provides a reduce device of styrene tar yield, includes polyethylbenzene tower (1), its characterized in that, the bottom of polyethylbenzene tower (1) connect gradually high boiling point thing cooler (2) and high boiling point thing jar (3), the top of polyethylbenzene tower (1) be connected with polyethylbenzene top of the tower condenser (4), polyethylbenzene top of the tower condenser (4) on be connected with polyethylbenzene tower reflux drum (5), the tank bottoms of polyethylbenzene tower reflux drum (5) divide into two pipelines, reflux is at most ethylbenzene tower (1) in one way, another way is carried through alkane transfer material charge pump (6).
2. The device for reducing styrene tar yield according to claim 1, wherein the polyethylbenzene tower (1) is further connected with a polyethylbenzene tower reboiler (7), and the polyethylbenzene tower reboiler (7) is connected back to the bottom of the polyethylbenzene tower (1) through a circulation pipeline.
3. The device for reducing styrene tar yield according to claim 1, wherein a polyethylbenzene bottom pump (8) is further arranged between the polyethylbenzene tower (1) and the high-boiling-point substance cooler (2).
4. The device for reducing the styrene tar yield according to claim 1, wherein the bottom of the high-boiling-point substance tank (3) is further provided with a high-boiling-point substance delivery pump (9).
5. The device for reducing styrene tar yield according to claim 1, wherein a polyethylbenzene tower reflux pump (10) is further arranged on a pipeline of the polyethylbenzene tower (1) for refluxing the bottom of the polyethylbenzene tower reflux tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320993503.8U CN219784705U (en) | 2023-04-27 | 2023-04-27 | Device for reducing styrene tar yield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320993503.8U CN219784705U (en) | 2023-04-27 | 2023-04-27 | Device for reducing styrene tar yield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219784705U true CN219784705U (en) | 2023-10-03 |
Family
ID=88154793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320993503.8U Active CN219784705U (en) | 2023-04-27 | 2023-04-27 | Device for reducing styrene tar yield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219784705U (en) |
-
2023
- 2023-04-27 CN CN202320993503.8U patent/CN219784705U/en active Active
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