CN203923124U - The wash-out benzene device washing oil recycle system - Google Patents
The wash-out benzene device washing oil recycle system Download PDFInfo
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- CN203923124U CN203923124U CN201420350589.3U CN201420350589U CN203923124U CN 203923124 U CN203923124 U CN 203923124U CN 201420350589 U CN201420350589 U CN 201420350589U CN 203923124 U CN203923124 U CN 203923124U
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- wash
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model relates to the washing oil recycle system, is specifically related to a kind of wash-out benzene device washing oil recycle system.Described system comprises debenzolizing tower and washes benzene tower, debenzolizing tower and wash vaporizer, poor oil-rich heat exchanger, soft water interchanger, oil-poor water cooler are set between benzene tower; Wherein: the bottom of debenzolizing tower connects vaporizer, and vaporizer is connected with poor oil-rich heat exchanger, soft water interchanger, oil-poor water cooler successively, benzene tower bottom is washed in oil-poor water cooler connection; Poor oil-rich heat exchanger also respectively with wash benzene top of tower, tubular oven is connected, tubular oven connects the top of debenzolizing tower; Vaporizer is also connected with soft water interchanger, drum respectively, and drum connects steam manifold; Soft water interchanger top arranges soft water water outlet, and bottom arranges soft water water-in; Oil-poor water cooler top arranges recirculated cooling water water-in, and bottom arranges recirculated cooling water water outlet.The utility model can make full use of the waste heat producing in system, its simple in structure, stable operation, and cost is lower.
Description
Technical field
The utility model relates to the washing oil recycle system, is specifically related to a kind of wash-out benzene device washing oil recycle system.
Background technology
The purification process technique of coke gas is first to using sulfuric acid as absorption agent, remove the ammonia in coal gas, output byproduct of ammonium sulfate thereupon, through centrifugal, the dry ammonium sulfate products that obtains, coal gas after deamination enters wash-out benzene operation again, through eventually cold, wash benzene, de-benzene makes coal gas reach purification, obtains crude benzol product simultaneously.Yet the waste heat producing in existing technique can not utilize, caused great energy dissipation.
Utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: the wash-out benzene device washing oil recycle system that a kind of simple in structure, stable operation, cost are low, make full use of system waste heat is provided.
The utility model solves the technical scheme that its technical problem adopts:
The described wash-out benzene device washing oil recycle system, comprises debenzolizing tower and washes benzene tower, debenzolizing tower and wash vaporizer, poor oil-rich heat exchanger, soft water interchanger, oil-poor water cooler are set between benzene tower; Wherein:
The bottom of debenzolizing tower connects vaporizer, and vaporizer is connected with poor oil-rich heat exchanger, soft water interchanger, oil-poor water cooler successively, and oil-poor water cooler connects washes benzene tower bottom;
Poor oil-rich heat exchanger also respectively with wash benzene top of tower, tubular oven is connected, tubular oven connects the top of debenzolizing tower;
Vaporizer is also connected with soft water interchanger, drum respectively, and drum connects steam manifold;
Soft water interchanger top arranges soft water water outlet, and bottom arranges soft water water-in;
Oil-poor water cooler top arranges recirculated cooling water water-in, and bottom arranges recirculated cooling water water outlet.
Vaporizer can be one-level or two-stage tandem, and the heat interchanging area of vaporizer is 250m
2, the heat interchanging area of oil-poor water cooler is 120m
2, the volume of drum is 15m
3.
During work, the oil-poor vaporizer that first passes into that debenzolizing tower column bottom temperature is higher, produces after steam heat-exchanging, and oil-poor temperature reduces by 5～10 ℃.Oil-poorly continue to enter poor oil-rich heat exchanger, heating rich oil, oil-poor temperature is reduced to 95 ℃ of left and right.Oil-poorly after soft water interchanger, oil-poor water cooler are cooling, enter and wash benzene tower, the oil-poor rich oil that becomes after washing benzene, rich oil enters debenzolizing tower again after poor oil-rich heat exchanger, tubular oven heating.Soft water interchanger is used for after soft water preheating, and soft water enters vaporizer again as vaporizer water, has saved energy.After the steam that the utility model produces passes into steam manifold, oneself is for ammonium sulfate workshop section and wash-out benzene workshop section.
The beneficial effect that the utility model has is:
The utility model, by setting up vaporizer, drum, soft water interchanger, can make full use of the waste heat producing in system, its simple in structure, stable operation, and cost is lower.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
In figure: 1, debenzolizing tower; 2, tubular oven; 3, wash benzene tower; 4, recirculated cooling water water-in; 5, oil-poor water cooler; 6, recirculated cooling water water outlet; 7, soft water water-in; 8, soft water interchanger; 9, soft water water outlet; 10, poor oil-rich heat exchanger; 11, vaporizer; 12, drum.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in Figure 1, the described wash-out benzene device washing oil recycle system, comprises debenzolizing tower 1 and washes benzene tower 3, debenzolizing tower 1 and wash vaporizer 11, poor oil-rich heat exchanger 10, soft water interchanger 8, oil-poor water cooler 5 are set between benzene tower 3; Wherein:
The bottom of debenzolizing tower 1 connects vaporizer 11, and vaporizer 11 is connected with poor oil-rich heat exchanger 10, soft water interchanger 8, oil-poor water cooler 5 successively, and oil-poor water cooler 5 connects washes benzene tower 3 bottoms; Poor oil-rich heat exchanger 10 also respectively with wash benzene tower 3 tops, tubular oven 2 is connected, tubular oven 2 connects the top of debenzolizing towers 1; Vaporizer 11 is also connected with soft water interchanger 8, drum 12 respectively, and drum 12 connects steam manifold; Soft water interchanger 8 tops arrange soft water water outlet 9, and bottom arranges soft water water-in 7; Oil-poor water cooler 5 tops arrange recirculated cooling water water-in 4, and bottom arranges recirculated cooling water water outlet 6.
Described vaporizer 11 is one-level, vaporizer 11 heat interchanging area 250m
2, the heat interchanging area 120m of oil-poor water cooler 5
2.The volume of drum 12 is 15m
3.
During work, the oil-poor vaporizer 11 that first passes into that debenzolizing tower 1 column bottom temperature is higher, produces after steam heat-exchanging, and oil-poor temperature reduces by 5～10 ℃.Oil-poorly continue to enter poor oil-rich heat exchanger 10, heating rich oil, oil-poor temperature is reduced to 95 ℃ of left and right.Oil-poorly after soft water interchanger 8, oil-poor water cooler 5 are cooling, enter and wash benzene tower 3, the oil-poor rich oil that becomes after washing benzene, rich oil enters debenzolizing tower 1 again after poor oil-rich heat exchanger 10, tubular oven 2 heating.Soft water interchanger 8 is used for after soft water preheating, and soft water enters vaporizer 11 again as vaporizer water, has saved energy.
The utility model by debenzolizing tower 1 tower in wash-out benzene operation at the bottom of high temperature oil-poor (approximately 175 ℃) be out passed in vaporizer 11, through heat exchange, produce steam; Oil-poorly continue to enter into poor oil-rich heat exchanger 10 heating rich oils, the steam that vaporizer 11 is produced is connected grid-connected with plant area original steam manifold, thereby reaches the object of the waste heat recovery of circulating washing oil.The utility model is simple in structure, stable operation, and cost is lower, and steam production reaches 70,000 tons/year, for enterprise brings economic benefit.The utility model can produce approximately 80 tons of process steams every day, meets need of production completely, and can steam saving expense pay approximately 4,500,000 yuan the whole year.
Claims (5)
1. the wash-out benzene device washing oil recycle system, comprise debenzolizing tower (1) and wash benzene tower (3), it is characterized in that: debenzolizing tower (1) and wash vaporizer (11), poor oil-rich heat exchanger (10), soft water interchanger (8), oil-poor water cooler (5) are set between benzene tower (3); Wherein:
The bottom of debenzolizing tower (1) connects vaporizer (11), vaporizer (11) is connected with poor oil-rich heat exchanger (10), soft water interchanger (8), oil-poor water cooler (5) successively, and oil-poor water cooler (5) connects washes benzene tower (3) bottom;
Poor oil-rich heat exchanger (10) also respectively with wash benzene tower (3) top, tubular oven (2) is connected, tubular oven (2) connects the top of debenzolizing tower (1);
Vaporizer (11) is also connected with soft water interchanger (8), drum (12) respectively, and drum (12) connects steam manifold;
Soft water interchanger (8) top arranges soft water water outlet (9), and bottom arranges soft water water-in (7);
Oil-poor water cooler (5) top arranges recirculated cooling water water-in (4), and bottom arranges recirculated cooling water water outlet (6).
2. the wash-out benzene device washing oil recycle system according to claim 1, is characterized in that: described vaporizer (11) is one-level or two-stage tandem.
3. the wash-out benzene device washing oil recycle system according to claim 1 and 2, is characterized in that: the heat interchanging area 250m of described vaporizer (11)
2.
4. the wash-out benzene device washing oil recycle system according to claim 1, is characterized in that: the heat interchanging area 120m of described oil-poor water cooler (5)
2.
5. the wash-out benzene device washing oil recycle system according to claim 1, is characterized in that: the volume of described drum (12) is 15m
3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420350589.3U CN203923124U (en) | 2014-06-26 | 2014-06-26 | The wash-out benzene device washing oil recycle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420350589.3U CN203923124U (en) | 2014-06-26 | 2014-06-26 | The wash-out benzene device washing oil recycle system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203923124U true CN203923124U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420350589.3U Active CN203923124U (en) | 2014-06-26 | 2014-06-26 | The wash-out benzene device washing oil recycle system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105132042A (en) * | 2015-08-31 | 2015-12-09 | 山东铁雄新沙能源有限公司 | Slagging device of crude benzene regenerator and slagging method |
| CN107057776A (en) * | 2016-12-23 | 2017-08-18 | 山东钢铁股份有限公司 | A kind of tower internal cooling washing oil washes benzene process |
-
2014
- 2014-06-26 CN CN201420350589.3U patent/CN203923124U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105132042A (en) * | 2015-08-31 | 2015-12-09 | 山东铁雄新沙能源有限公司 | Slagging device of crude benzene regenerator and slagging method |
| CN105132042B (en) * | 2015-08-31 | 2017-09-26 | 山东铁雄新沙能源有限公司 | A kind of crude benzene regenerator slag-draining device and Slagoff method |
| CN107057776A (en) * | 2016-12-23 | 2017-08-18 | 山东钢铁股份有限公司 | A kind of tower internal cooling washing oil washes benzene process |
| CN107057776B (en) * | 2016-12-23 | 2020-10-23 | 山东钢铁股份有限公司 | Benzene washing process for cooling washing oil in tower |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |