CN215233161U - Cumene oxidation tail gas treatment device - Google Patents
Cumene oxidation tail gas treatment device Download PDFInfo
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- CN215233161U CN215233161U CN202121853124.6U CN202121853124U CN215233161U CN 215233161 U CN215233161 U CN 215233161U CN 202121853124 U CN202121853124 U CN 202121853124U CN 215233161 U CN215233161 U CN 215233161U
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- adsorption tank
- tail gas
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Abstract
The utility model discloses a processing apparatus of isopropyl benzene oxidation tail gas belongs to tail gas treatment technical field. Including the intake pipe, first tail silo, second tail silo, the buffer tank, adsorption tank and blast pipe, intake-tube connection is on the top of first tail silo, be connected with first heat exchanger between intake pipe and the first tail silo, the side of first tail silo is passed through connecting pipe A and is connected with the top of second tail silo, be connected with the second heat exchanger on the connecting pipe A, the side and the buffer tank of second blowing pipe are connected, the side and the adsorption tank of buffer tank are connected, the side of adsorption tank is connected with the blast pipe. The utility model discloses a heat exchanger carries out the condensation separation to tail gas, recycles the organic gas of active carbon adsorption jar in to tail gas and adsorbs the processing, and organic matter content reaches below 50ppm in the tail gas, has both protected the environment, has retrieved the isopropyl benzene raw materials in the tail gas again.
Description
Technical Field
The utility model relates to a tail gas treatment technical field specifically is a processing apparatus of isopropyl benzene oxidation tail gas.
Background
Cumene is oxidized to cumene hydroperoxide, tail gas is generated in the oxidation reaction process, the main components of the tail gas are water vapor, cumene and other organic gases, and the tail gas is directly discharged to the atmosphere and can influence the environment, so that a cumene oxidation tail gas treatment device is needed for efficiently treating the tail gas generated in the oxidation of the cumene.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a device for treating cumene oxidation tail gas.
The utility model discloses a realize through following technical scheme:
a device for treating cumene oxidation tail gas comprises an air inlet pipe, a first tail material groove, a second tail material groove, a buffer tank, an adsorption tank and an exhaust pipe, wherein the air inlet pipe is connected to the top end of the first tail material groove, a first heat exchanger is connected between the air inlet pipe and the first tail material groove, the side surface of the first tail material groove is connected with the top end of the second tail material groove through a connecting pipe A, the connecting pipe A is connected with a second heat exchanger, the bottoms of the first tail material groove and the second tail material groove are respectively connected with a first discharging pipe and a second discharging pipe, the side surface of the second discharging pipe is connected with the buffer tank, the side surface of the buffer tank is connected with the adsorption tank, the side surface of the adsorption tank is connected with the exhaust pipe, the upper end of the adsorption tank is connected with a recovery tank through a connecting pipe B, the connecting pipe B is also connected with a third heat exchanger, and the bottom of the adsorption tank is connected with a low-pressure steam pipe, and a valve is arranged on the low-pressure steam pipe.
The adsorption tank comprises a first adsorption tank and a second adsorption tank which are connected with each other.
The first adsorption tank and the second adsorption tank are activated carbon adsorption tanks.
The refrigerant of the first heat exchanger adopts cooling water, and the refrigerant of the second heat exchanger adopts chilled water.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model adopts the heat exchanger to condense and separate the tail gas, and the active carbon adsorption tank is reused to adsorb the organic gas in the tail gas, so that the content of the organic matter in the tail gas reaches below 50ppm, thereby not only protecting the environment, but also recovering the raw material of isopropyl benzene in the tail gas; the adsorption tank can be regenerated, and the organic matters adsorbed on the activated carbon particles enter the heat exchanger for condensation and recovery after high-temperature gasification, so that the use is convenient and the adsorption efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. an air inlet pipe; 2. a first heat exchanger; 3. a first tail trough; 4. a connecting pipe A; 5. a second heat exchanger; 6. a second tail trough; 7. a first discharge pipe; 8. a second discharge pipe; 9. a buffer tank; 10. a first adsorption tank; 11. a second adsorption tank; 12. a connecting pipe B; 13. a third heat exchanger; 14. a recovery tank; 15. a low pressure steam pipe; 16. a valve; 17. and (4) exhausting the gas.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the attached drawing figure 1 of the specification, a device for treating cumene oxidation tail gas comprises an air inlet pipe 1, a first tail material groove 3, a second tail material groove 6, a buffer tank 9, an adsorption tank and an exhaust pipe 17, wherein the air inlet pipe 1 is connected to the top end of the first tail material groove 3, a first heat exchanger 2 is connected between the air inlet pipe 1 and the first tail material groove 3, the side surface of the first tail material groove 3 is connected with the top end of the second tail material groove 6 through a connecting pipe A4, the connecting pipe A4 is connected with a second heat exchanger 5, the bottoms of the first tail material groove 3 and the second tail material groove 6 are respectively connected with a first discharging pipe 7 and a second discharging pipe 8, the side surface of the second discharging pipe 8 is connected with the buffer tank 9, the side surface of the buffer tank 9 is connected with the adsorption tank, the side surface of the adsorption tank is connected with the exhaust pipe 17, the upper end of the adsorption tank is connected with a recovery tank 14 through a connecting pipe B12, the connecting pipe B12 is also connected with a third heat exchanger 13, the bottom of the adsorption tank is connected with a low-pressure steam pipe 15, and a valve 16 is arranged on the low-pressure steam pipe 15.
The canister includes a first canister 10 and a second canister 11 connected to each other.
The first adsorption tank 10 and the second adsorption tank 11 are activated carbon adsorption tanks.
The refrigerant of the first heat exchanger 2 is cooling water, and the refrigerant of the second heat exchanger 5 is chilled water.
Examples
A device for treating cumene oxidation tail gas comprises an air inlet pipe 1, a first tail trough 3, a second tail trough 6, a buffer tank 9, an adsorption tank and an exhaust pipe 17, wherein the air inlet pipe 1 is connected to the top end of the first tail trough 3, a first heat exchanger 2 is connected between the air inlet pipe 1 and the first tail trough 3, the side surface of the first tail trough 3 is connected with the top end of the second tail trough 6 through a connecting pipe A4, the connecting pipe A4 is connected with a second heat exchanger 5, the bottoms of the first tail trough 3 and the second tail trough 6 are respectively connected with a first discharging pipe 7 and a second discharging pipe 8, the side surface of the second discharging pipe 8 is connected with the buffer tank 9, the side surface of the buffer tank 9 is connected with the adsorption tank, the adsorption tank comprises a first adsorption tank 10 and a second adsorption tank 11 which are connected with each other, the side surface of the second adsorption tank 11 is connected with the exhaust pipe 17, the upper end of the adsorption tank is connected with a recovery tank 14 through a connecting pipe B12, the connecting pipe B12 is also connected with a third heat exchanger 13, the bottom of the adsorption tank is connected with a low-pressure steam pipe 15, and the low-pressure steam pipe 15 is provided with a valve 16.
The tail gas treatment process of the embodiment is as follows: cumene oxidation tail gas gets into first heat exchanger 2 from intake pipe 1 and condenses, the condensate gets into sedimentation separation in the first tail silo 3, tail gas is condensed once more in the second heat exchanger 5 of entering from connecting pipe A4, the condensate gets into sedimentation separation in the second tail silo 6, tail gas after twice condensation treatment passes through first adsorption tank 10 and second adsorption tank 11 in proper order and adsorbs the processing, organic gas in the tail gas is adsorbed by the active carbon particle, tail gas is up to standard after discharging to the atmosphere from blast pipe 17, no influence is had to the environment.
Acidic water layers in the first tail trough 3 and the second tail trough 6 are discharged from the bottoms of the acidic water layers, and the cumene raw material can be discharged and collected after deposition for recycling.
The first adsorption tank 10 and the second adsorption tank 11 are activated carbon adsorption tanks, and can perform regeneration operation after adsorbing for a period of time, during regeneration, a valve 16 is opened, low-pressure steam is introduced from a low-pressure steam pipe 15, organic matters adsorbed on activated carbon particles enter a third heat exchanger 13 for condensation and recovery after high-temperature gasification, and the valve 16 adjusts the flow of the steam.
The refrigerant of the first heat exchanger 2 adopts cooling water, the refrigerant of the second heat exchanger 5 adopts chilled water with lower temperature, the condensation effect is better, and water vapor and isopropyl benzene in tail gas are fully condensed.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications of the shapes, structures, features and spirit described in the claims of the present invention should be included in the scope of the present invention.
Claims (4)
1. A device for treating cumene oxidation tail gas is characterized in that: comprises an air inlet pipe (1), a first tail trough (3), a second tail trough (6), a buffer tank (9), an adsorption tank and an exhaust pipe (17), wherein the air inlet pipe (1) is connected to the top end of the first tail trough (3), a first heat exchanger (2) is connected between the air inlet pipe (1) and the first tail trough (3), the side surface of the first tail trough (3) is connected with the top end of the second tail trough (6) through a connecting pipe A (4), the connecting pipe A (4) is connected with a second heat exchanger (5), the bottoms of the first tail trough (3) and the second tail trough (6) are respectively connected with a first discharging pipe (7) and a second discharging pipe (8), the side surface of the second discharging pipe (8) is connected with the buffer tank (9), the side surface of the buffer tank (9) is connected with the adsorption tank, and the side surface of the adsorption tank is connected with the exhaust pipe (17), the upper end of adsorption tank is connected with recovery jar (14) through connecting pipe B (12), still be connected with third heat exchanger (13) on connecting pipe B (12), the bottom of adsorption tank is connected with low pressure steam pipe (15), be equipped with valve (16) on low pressure steam pipe (15).
2. The apparatus for processing cumene oxidation tail gas according to claim 1, characterized in that: the adsorption tank comprises a first adsorption tank (10) and a second adsorption tank (11) which are connected with each other.
3. The apparatus for processing cumene oxidation tail gas according to claim 2, characterized in that: the first adsorption tank (10) and the second adsorption tank (11) are activated carbon adsorption tanks.
4. The apparatus for processing cumene oxidation tail gas according to claim 1, characterized in that: the refrigerant of the first heat exchanger (2) adopts cooling water, and the refrigerant of the second heat exchanger (5) adopts chilled water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121853124.6U CN215233161U (en) | 2021-08-10 | 2021-08-10 | Cumene oxidation tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121853124.6U CN215233161U (en) | 2021-08-10 | 2021-08-10 | Cumene oxidation tail gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215233161U true CN215233161U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121853124.6U Active CN215233161U (en) | 2021-08-10 | 2021-08-10 | Cumene oxidation tail gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215233161U (en) |
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2021
- 2021-08-10 CN CN202121853124.6U patent/CN215233161U/en active Active
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