CN205815383U - A kind of delayed coking exhaust gas processing device - Google Patents
A kind of delayed coking exhaust gas processing device Download PDFInfo
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- CN205815383U CN205815383U CN201521085731.7U CN201521085731U CN205815383U CN 205815383 U CN205815383 U CN 205815383U CN 201521085731 U CN201521085731 U CN 201521085731U CN 205815383 U CN205815383 U CN 205815383U
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Abstract
The utility model discloses a kind of delayed coking exhaust gas processing device, including emptying tower, gun barrel, the Water Tank of steaming out, it is characterized in that: the emptying column overhead that steams out connects with gun barrel, gun barrel connects with sour water tank, the emptying tower that steams out is provided with sour water import, top arranges 2～10 layers of tower tray, bottom arranges 3～12 layers of tower tray, sour water import is positioned at emptying tower bottom of steaming out, and this device solves the problem that the emptying emulsifying of tower top sour water, sour water oil and coke powder content are high.
Description
Technical field
This utility model belongs to delayed coking unit field, is to device exhaust by the delayed coking unit flow process optimized
Pretreatment, is allowed to the qualified discharge method to downstream unit.
Background technology
Along with heaviness increasingly and the in poor quality of domestic oil refining industry processing crude oil, yield of residual oil improves increasingly, delay coke
It is turned to a kind of important poor residuum conversion process in refinery, occupies important position.Delayed coking is as refinery's residual oil
Main conversion means or the means of supplementing out economy.
Along with the development and progress of society, Environmental Protection in China requires increasingly stricter, the waste gas of device each to refinery, sewage and
Discharge capacity and the discharge index of the pollutant such as waste residue are the strictest.Delayed coking unit as main heavy oil reforming unit it
One, also face increasingly serious environmental protection challenge.
The major pollutants that delayed coking unit produces are waste gas, waste water, coke powder and noise.At present, what device produced is useless
Gas is mainly coking heater flue gas, can ensure that fume emission meets environmental protection and wants by reducing the hydrogen sulfide content of fuel gas
Ask.Can pollute to a certain degree alleviating coke powder by increasing burnt a series of environmental practices such as pond enclosure wall and water spray.Noise pollution
Can be by using advanced dynamic equipment, arranging the means such as blimp and meet requirement.
Delayed coking unit creates substantial amounts of oil-containing, tail gas containing coke powder steaming out, during cold Jiao, particularly steams out
Emptying tower top creates the sour water of substantial amounts of emulsifying.At present, the process means that delayed coking unit is general are without pre-place
Reason, directly enters acidic water stripping device by this strand of sewage.
But, the sump oil contained in coking tail gas and coke powder then can have a strong impact on the normal operating of acidic water stripping device,
Shorten the on-stream time of acidic water stripping device.Sump oil in tail gas causes the long-pending oil of tower tray of acidic water stripping device, destroys vapour
Liquid balances, and affects stripping operation.After stripping, deliver to sulphur unit outside hydrogen sulfide and produce sulfur.Sump oil remains in remaining water,
In follow-up ammonia refining flow process, if three grades of condensation effects are the best, ammonia refining tower overtemperature, sump oil is easily carried secretly by gas ammonia, enters final
Liquefied ammonia product, affect product quality.Coke powder impact in tail gas is bigger, can cause the blocking of stripper, cause the non-meter of device
Draw and stop work.Fine coke powder also can enter ammonia refining flow process with gas ammonia, and some retention is in the cylinder and oil circuit of ammonia compressor, equally
It is likely to result in shut-down；Coke powder is also possible to cause the blocking of tower in Ammonia purification system, pump, pipeline etc., causes entering on a small quantity liquefied ammonia
Product, affects product quality.
This technology can reduce the oil content in delayed coking unit tail gas particularly emulsifying sour water and coke powder content,
There is provided qualified raw water for sulfur-containing sewage stripping device, improve the cycle of operation of acidic water stripping device.
Summary of the invention
For the sour water emulsification problem, oil content and the coke powder content that produce in current delayed coking unit processing procedure
The high problem affecting downstream unit operation, the present invention provides a kind of delayed coking vent gas treatment dress, improves the treatment effect of tail gas.
A kind of delayed coking exhaust gas processing device, including emptying tower, gun barrel, the Water Tank of steaming out, it is characterised in that:
The emptying column overhead that steams out connects with gun barrel, and gun barrel connects with sour water tank.
Described a kind of delayed coking vent gas treatment, it is characterised in that: the described emptying tower that steams out is provided with inlet exhaust gas, on
Portion arranges 2 ~ 8 layers of tower tray, and bottom arranges 3 ~ 10 layers of tower tray, and inlet exhaust gas is positioned at emptying tower bottom of steaming out.
Described a kind of delayed coking exhaust gas processing device, it is characterised in that: the described emptying top of tower that steams out is provided with out
Mouthful, the emptying tower bottom that steams out is provided with outlet.
Described a kind of delayed coking exhaust gas processing device, it is characterised in that: described steam out emptying top of tower outlet with
Gun barrel connects.
Described a kind of delayed coking exhaust gas processing device, it is characterised in that: described steam out emptying tower bottom outlet with
Steam out sump (waste oil) pump inlet communication at the bottom of emptying tower, and the sump (waste oil) pump outlet at the bottom of emptying tower that steams out connects with reboiler, and reboiler is put with steaming out
Void tower bottom connects, and the sump (waste oil) pump outlet at the bottom of emptying tower that steams out also connects with cold water storage cistern, and cold water storage cistern connects and steams out in emptying tower
Portion connects.
Described a kind of delayed coking exhaust gas processing device, it is characterised in that: described gun barrel through sewage pump with
Sour water tank connects.
Described a kind of delayed coking exhaust gas processing device, it is characterised in that: described gun barrel through sump (waste oil) pump with
Steam out the connection of emptying tower top.
Compared with prior art, a kind of delayed coking unit of present invention exhaust gas treating method provides the benefit that:
1, the emulsification problem of emptying tower top tail gas is solved
Existing technological process cannot solve to be vented the emulsification problem of tower top tail gas, one delayed coking of the present invention thoroughly
Device exhaust processing method, solves the emulsification problem of emptying tower top tail gas.
2, the problem that delayed coking unit sour water oil content is high, coke powder content is high is solved
Existing technological process cannot solve the problem that sour water oil content is high, coke powder content is high thoroughly, causes containing
Sulfur sewage stripping device runs abnormal, and the present invention is by optimizing emptying flow process, and qualified discharge, to sulfur-containing sewage stripping device, prolongs
Grow the cycle of operation of sulfur-containing sewage stripping device.
Accompanying drawing explanation
Fig. 1 one delayed coking unit exhaust gas processing device structure chart
1. tail gas, 2. steam out emptying tower, 3. air cooler, 4. cooler, 5. gun barrel, 6. tower top sump (waste oil) pump, 7. tower
Top sewage pump, 9. tower top sump oil, 10. reboiler, sump (waste oil) pump at the bottom of 11. emptying towers, 12. cooling water tanks, sump oil at the bottom of 13. towers, 14.
Mixing sour water, 16. blenders, 17. grease traps, 18. sour water tanks, 19. coke powders, 20. sump oils, 21. sour waters
Pump, 22. filters, 23. sour waters.
With specific embodiment, the present invention is described below, but is not limiting as scope of the present utility model.
Detailed description of the invention
Embodiment 1
A kind of delayed coking exhaust gas processing device, including emptying tower, gun barrel, the Water Tank of steaming out, it is characterised in that:
The emptying column overhead that steams out connects with gun barrel, and gun barrel connects with sour water tank, and vapour emptying tower is provided with tail gas and enters
Mouthful, top arranges 2 layers of tower tray, and bottom arranges 10 layers of tower tray, and inlet exhaust gas is positioned at emptying tower bottom of steaming out, and steam out emptying top of tower
Being provided with outlet, the emptying tower bottom that steams out is provided with outlet, and the emptying top of tower outlet that steams out connects with gun barrel, and steam out emptying tower
Outlet at bottom and the sump (waste oil) pump inlet communication at the bottom of emptying tower that steams out, the sump (waste oil) pump outlet at the bottom of emptying tower that steams out connects with reboiler, reboiling
Device connects with emptying tower bottom of steaming out, and the sump (waste oil) pump outlet at the bottom of emptying tower that steams out also connects with cold water storage cistern, and cold water storage cistern connects and blows
Connecting in the middle part of vapour emptying tower, water separation tank connects with sulfur Water Tank through sewage pump, and water separation tank passes through sump (waste oil) pump and the emptying that steams out
Tower top connects.
Embodiment 2
A kind of delayed coking exhaust gas processing device, including emptying tower, gun barrel, the Water Tank of steaming out, it is characterised in that:
The emptying column overhead that steams out connects with gun barrel, and gun barrel connects with sour water tank, and the emptying tower that steams out is provided with tail gas
Import, top arranges 8 layers of tower tray, and bottom arranges 4 layers of tower tray, and inlet exhaust gas is positioned at emptying tower bottom of steaming out, and steam out emptying tower top
Portion is provided with outlet, and the emptying tower bottom that steams out is provided with outlet, and the emptying top of tower outlet that steams out connects with gun barrel, and steam out emptying
Tower bottom outlet and the sump (waste oil) pump inlet communication at the bottom of emptying tower that steams out, the sump (waste oil) pump outlet at the bottom of emptying tower that steams out connects with reboiler, weight
Boiling device with steam out emptying tower bottom connect, steam out emptying tower at the bottom of sump (waste oil) pump outlet also connect with cold water storage cistern, cold water storage cistern connect and
Steaming out to be vented in the middle part of tower and connect, water separation tank connects with sulfur Water Tank through sewage pump, and water separation tank is put with steaming out by sump (waste oil) pump
Void tower top connects.
Embodiment 3
A kind of delayed coking exhaust gas processing device, including emptying tower, gun barrel, the Water Tank of steaming out, it is characterised in that:
The emptying column overhead that steams out connects with gun barrel, and gun barrel connects with sour water tank, and the emptying tower that steams out is provided with tail gas
Import, top arranges 3 layers of tower tray, and bottom arranges 9 layers of tower tray, and inlet exhaust gas is positioned at emptying tower bottom of steaming out, and steam out emptying tower top
Portion is provided with outlet, and the emptying tower bottom that steams out is provided with outlet, and the emptying top of tower outlet that steams out connects with gun barrel, and steam out emptying
Tower bottom outlet and the sump (waste oil) pump inlet communication at the bottom of emptying tower that steams out, the sump (waste oil) pump outlet at the bottom of emptying tower that steams out connects with reboiler, weight
Boiling device with steam out emptying tower bottom connect, steam out emptying tower at the bottom of sump (waste oil) pump outlet also connect with cold water storage cistern, cold water storage cistern connect and
Steaming out to be vented in the middle part of tower and connect, water separation tank connects with sulfur Water Tank through sewage pump, and water separation tank is put with steaming out by sump (waste oil) pump
Void tower top connects.
Embodiment 4
A kind of delayed coking exhaust gas processing device, including emptying tower, gun barrel, the Water Tank of steaming out, it is characterised in that:
The emptying column overhead that steams out connects with gun barrel, and gun barrel connects with sour water tank, and the emptying tower that steams out is provided with tail gas
Import, top arranges 5 layers of tower tray, and bottom arranges 7 layers of tower tray, and inlet exhaust gas is positioned at emptying tower bottom of steaming out, and steam out emptying tower top
Portion is provided with outlet, and the emptying tower bottom that steams out is provided with outlet, and the emptying top of tower outlet that steams out connects with gun barrel, and steam out emptying
Tower bottom outlet and the sump (waste oil) pump inlet communication at the bottom of emptying tower that steams out, the sump (waste oil) pump outlet at the bottom of emptying tower that steams out connects with reboiler, weight
Boiling device with steam out emptying tower bottom connect, steam out emptying tower at the bottom of sump (waste oil) pump outlet also connect with cold water storage cistern, cold water storage cistern connect and
Steaming out to be vented in the middle part of tower and connect, water separation tank connects with sulfur Water Tank through sewage pump, and water separation tank is put with steaming out by sump (waste oil) pump
Void tower top connects.
Embodiment 5
A kind of delayed coking exhaust gas processing device, including emptying tower, gun barrel, the Water Tank of steaming out, it is characterised in that:
The emptying column overhead that steams out connects with gun barrel, and gun barrel connects with sour water tank, and the emptying tower that steams out is provided with tail gas
Import, top arranges 7 layers of tower tray, and bottom arranges 5 layers of tower tray, and inlet exhaust gas is positioned at emptying tower bottom of steaming out, and steam out emptying tower top
Portion is provided with outlet, and the emptying tower bottom that steams out is provided with outlet, and the emptying top of tower outlet that steams out connects with gun barrel, and steam out emptying
Tower bottom outlet and the sump (waste oil) pump inlet communication at the bottom of emptying tower that steams out, the sump (waste oil) pump outlet at the bottom of emptying tower that steams out connects with reboiler, weight
Boiling device with steam out emptying tower bottom connect, steam out emptying tower at the bottom of sump (waste oil) pump outlet also connect with cold water storage cistern, cold water storage cistern connect and
Steaming out to be vented in the middle part of tower and connect, water separation tank connects with sulfur Water Tank through sewage pump, and water separation tank is put with steaming out by sump (waste oil) pump
Void tower top connects.
Claims (5)
1. a delayed coking exhaust gas processing device, including emptying tower, gun barrel, the Water Tank of steaming out, it is characterised in that: blow
Vapour emptying column overhead connects with gun barrel, and gun barrel connects with tail gas tank, and the emptying tower that steams out is provided with inlet exhaust gas, on
Portion arranges 2 ~ 10 layers of tower tray, and bottom arranges 3 ~ 12 layers of tower tray, and inlet exhaust gas is positioned at emptying tower bottom of steaming out, and steam out emptying top of tower
Outlet connects with gun barrel.
2. according to a kind of delayed coking exhaust gas processing device described in claim 1, it is characterised in that: the described emptying tower that steams out
Outlet at bottom and the sump (waste oil) pump inlet communication at the bottom of emptying tower that steams out, the sump (waste oil) pump outlet at the bottom of emptying tower that steams out connects with reboiler, reboiling
Device connects with emptying tower bottom of steaming out, and the sump (waste oil) pump outlet at the bottom of emptying tower that steams out also connects with cooling water tank, and cooling water tank connects
Connect with in the middle part of the emptying tower that steams out.
3. according to a kind of delayed coking exhaust gas processing device described in claim 1, it is characterised in that: described gun barrel
Connect with sulfur Water Tank through sewage pump.
4. according to a kind of delayed coking exhaust gas processing device described in claim 1, it is characterised in that: described gun barrel
Connect with emptying tower top of steaming out through sump (waste oil) pump.
5. according to a kind of delayed coking exhaust gas processing device described in claim 1, it is characterised in that: the described emptying tower that steams out
Being provided with inlet exhaust gas, top arranges 2 ~ 8 layers of tower tray, and bottom arranges 3 ~ 10 layers of tower tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085731.7U CN205815383U (en) | 2015-12-24 | 2015-12-24 | A kind of delayed coking exhaust gas processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085731.7U CN205815383U (en) | 2015-12-24 | 2015-12-24 | A kind of delayed coking exhaust gas processing device |
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| Publication Number | Publication Date |
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| CN205815383U true CN205815383U (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521085731.7U Active CN205815383U (en) | 2015-12-24 | 2015-12-24 | A kind of delayed coking exhaust gas processing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264923A (en) * | 2017-12-27 | 2018-07-10 | 北方华锦化学工业股份有限公司 | Delayed coking steams out blowdown system |
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2015
- 2015-12-24 CN CN201521085731.7U patent/CN205815383U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264923A (en) * | 2017-12-27 | 2018-07-10 | 北方华锦化学工业股份有限公司 | Delayed coking steams out blowdown system |
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