CN105132042A - Slagging device of crude benzene regenerator and slagging method - Google Patents
Slagging device of crude benzene regenerator and slagging method Download PDFInfo
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- CN105132042A CN105132042A CN201510548359.7A CN201510548359A CN105132042A CN 105132042 A CN105132042 A CN 105132042A CN 201510548359 A CN201510548359 A CN 201510548359A CN 105132042 A CN105132042 A CN 105132042A
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Abstract
The invention discloses a slagging device of a crude benzene regenerator and a slagging method. Tar is poured into a slag tank and mixed with washing oil from the regenerator, generated waste gas enters a spray tower and makes contact with circulating water to be condensed, condensate water enters a circulation water trough, and the waste gas which is not condensed is recycled; an outer delivery valve is opened, and the tar is delivered into a tar trough. By means of the slagging device of the crude benzene regenerator and the slagging method, the quality of the washing oil can be optimized, the using amount of steam is reduced, a slagging pipeline is prevented from being blocked, the waste gas originally discharged into air is recycled in a sealed container, and harm to the environment is reduced.
Description
Technical field
Regenerating wash oil field in coking production of the present invention, a kind of crude benzene regenerator slag discharging device and Slagoff method.
Background technology
Hua Chan workshop, coke-oven plant crude benzol workshop section deslagging controls washing oil quality for principle, improves the technological operation for the purpose of crude benzol recovery rate.A part of circulating washing oil is sent into revivifier by this operation usually, and carry out blowing steaming with superheated vapour, blow the oil gas steamed and enter debenzolizing tower as thermal source, the remaining polymer substance of circulating washing oil is discharged as residue; Revivifier deslagging has usually: 1. steaming out method; 2. washing oil dissolution method; 3. artificial dredging method.Current domestication factory generally produces workshop crude benzol workshop section revivifier deslagging in change and adopts traditional dry cinder discharging, although this method can save the consumption of washing oil, but in tapping process, very easily cause dry slag aging, blocking revivifier Residue extraction pipeline, washing oil quality deteriorated; Need during deslagging to consume a large amount of superheated vapour (elevated pressures), gas enters in air that Dark smoke billows, and peculiar smell is unpleasant, works the mischief to environment; The residue of simultaneously discharging generally is allocated in coal or sale at low prices as waste residue again, causes financial loss.
Summary of the invention
The invention provides a kind of crude benzene regenerator slag discharging device and Slagoff method, washing oil quality can be optimized, reduce steam consumption, avoid Residue extraction pipeline to block, change into recycling originally discharging aerial waste gas in encloses container, reduce the harm that environment is caused.
The technical scheme that the present invention is complete comprises:
Crude benzene regenerator slag discharging device, comprises tar tank, residue tank, residue pump, well heater, revivifier, spray column, induced draft fan, circulating water channel, spray pump, tar pipeline, steam blowing equipment, bleeder;
Described tar tank receives the tar of self-condensation workshop section, and bottom is connected with residue tank by tar pipeline, ash pit is provided with in residue tank, residue tank connects tar tank top by another road tar pipeline, this another road tar pipeline is provided with residue pump and sends valve outside, send the residue after being diluted by tar back to tar tank, residue tank connects regenerator bottoms valve by Residue extraction pipeline, described Residue extraction pipeline is provided with steam blowing equipment, residue pot bottom is provided with well heater, regenerator overhead connects debenzolizing tower, residue tank connects spray column bottom by bleeder, described spray column top connects induced draft fan, spray column top connects waste gas recovering device, circulating water channel connects spray column top by spray pump, recirculated water is sent into spray column top, circulating water channel is connected by water circulating pump bottom spray column.
Utilize above-mentioned slag discharging device to carry out a method for deslagging, comprise the following steps:
(1) open spray column recirculated water, and start induced draft fan and start spray, spray flow is 10m
3/ h, after in stable condition, the tar of condensation workshop section is injected in residue tank through tar tank, and to ash pit, heater, and heat at tapping process always, guarantee that temperature is not less than 60-80 DEG C, to prevent residue from condensing, preheating pipe, and open the clear and coherent tar pipeline of steam blowing equipment, superheated vapour pressure is 3.0MPa;
(2) regenerating wash oil in revivifier, add oil-poor, purged by superheated vapour, light constituent is discharged from top, and heavy constituent and tar residue are discharged from scum pipe, is mixed by the tar in residue tank with the tar residue from revivifier, produce waste gas, described waste gas enters spray column bottom through bleeder, and from the recirculated water condensation by contact of circulating water channel, water of condensation enters circulating water channel by water circulating pump; Not solidifying waste gas then enters waste gas recovering device and reclaims;
(3) after deslagging with superheated vapour clear and coherent Residue extraction pipeline again, purge complete, first close slag-discharging valve, then close steam valve; Drive residue pump and reverse flow valve subsequently, after ensureing whole system circulation 30min, close induced draft fan and spray column recirculated water, closing volume valve, opens and sends valve outside, is delivered to by tar in tar groove.
In described step (2), the tar in residue tank is 7:1 with the tar residue blending ratio from revivifier.
The present invention is relative to the advantage of prior art:
Increase residue tank, spray column and recycle pump, lay tar pipeline, changing the multinomial measures such as slag-discharging valve, making system when discharging wet slag, when not with contacting external air, just tar groove is pumped to by residue, thus washing oil quality can be optimized, reduce steam consumption, avoid deslagging pipeline to block, change waste gas into recycle originally discharging aerial waste gas in encloses container, reduce the harm that environment is caused.
Accompanying drawing explanation
Fig. 1 is crude benzene regenerator slag discharging device structural representation.
In figure, 1 is tar tank, and 2 is tar pipeline, and 3 is residue tank, and 4 is residue pump, and 5 for sending valve outside, and 6 is Residue extraction pipeline, and 7 is revivifier, and 8 is well heater, and 9 is bleeder, and 10 is spray column, and 11 is induced draft fan, and 12 is circulating water channel, and 13 is spray pump.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
As shown in Figure 1, a kind of crude benzene regenerator slag discharging device, comprises tar tank 1, tar pipeline 2, residue tank 3, residue pump 4, send valve 5 outside, Residue extraction pipeline 6, revivifier 7, well heater 8, bleeder 9, spray column 10, induced draft fan 11, circulating water channel 12, spray pump 13, steam blowing equipment;
Described tar tank 1 receives the tar of self-condensation workshop section, and bottom is connected with residue tank 3 by tar pipeline 2, ash pit is provided with in residue tank, residue tank connects tar tank top by another road tar pipeline, this another road tar pipeline is provided with residue pump 4 and sends valve 5 outside, send the residue after being diluted by tar back to tar tank 1, residue tank connects revivifier 7 bottom valve by Residue extraction pipeline 6, described Residue extraction pipeline is provided with steam blowing equipment, residue pot bottom is provided with well heater 8, revivifier 7 top connects debenzolizing tower, residue tank 3 connects spray column 10 bottom by bleeder 9, described spray column 10 top connects induced draft fan 11, spray column top connects waste gas recovering device, circulating water channel 12 connects spray column 10 top by spray pump 13, recirculated water is sent into spray column 10 top, circulating water channel 12 is connected by water circulating pump bottom spray column 10.
Concrete technology flow process is:
(1) open spray column recirculated water, spray column is of a size of:
high 2500mm, and start induced draft fan start spray, spray flow is 10m
3/ h, after in stable condition, the tar of condensation workshop section is injected in residue tank through tar tank, and to ash pit, heater, and heat at tapping process always, guarantee that temperature is not less than 60-80 DEG C, to prevent residue from condensing, preheating pipe, and open the clear and coherent tar pipeline of steam blowing equipment, superheated vapour pressure is 3.0MPa;
(2) regenerating wash oil in revivifier, add oil-poor, purged by superheated vapour, light constituent is discharged from top, and heavy constituent and tar residue are discharged from scum pipe, tar in residue tank is mixed with the tar residue from revivifier, tar in residue tank is 7:1 with the tar residue blending ratio from revivifier, and produce waste gas, described waste gas enters spray column bottom through bleeder, with the recirculated water condensation by contact from circulating water channel, water of condensation enters circulating water channel by water circulating pump; Not solidifying waste gas then enters waste gas recovering device and reclaims;
(3) after deslagging with superheated vapour clear and coherent Residue extraction pipeline again, purge complete, first close slag-discharging valve, then close steam valve; Drive residue pump and reverse flow valve subsequently, after ensureing whole system circulation 30min, close induced draft fan and spray column recirculated water, closing volume valve, opens and sends valve outside, is delivered to by tar in tar groove.
Claims (3)
1. a crude benzene regenerator slag discharging device, is characterized in that, comprises tar tank, residue tank, residue pump, well heater, revivifier, spray column, induced draft fan, circulating water channel, spray pump, tar pipeline, steam blowing equipment, bleeder;
Described tar tank receives the tar of self-condensation workshop section, and bottom is connected with residue tank by tar pipeline, ash pit is provided with in residue tank, residue tank connects tar tank top by another road tar pipeline, this another road tar pipeline is provided with residue pump and sends valve outside, send the residue after being diluted by tar back to tar tank, residue tank connects regenerator bottoms valve by Residue extraction pipeline, described Residue extraction pipeline is provided with steam blowing equipment, residue pot bottom is provided with well heater, regenerator overhead connects debenzolizing tower, residue tank connects spray column bottom by bleeder, described spray column top connects induced draft fan, spray column top connects waste gas recovering device, circulating water channel connects spray column top by spray pump, recirculated water is sent into spray column top, circulating water channel is connected by water circulating pump bottom spray column.
2. utilize slag discharging device described in claim 1 to carry out a method for deslagging, it is characterized in that, comprise the following steps:
(1) open spray column recirculated water, and start induced draft fan and start spray, spray flow is 10m
3/ h, after in stable condition, the tar of condensation workshop section is injected in residue tank through tar tank, and to ash pit, heater, and heat at tapping process always, guarantee that temperature is not less than 60-80 DEG C, to prevent residue from condensing, preheating pipe, and open the clear and coherent tar pipeline of steam blowing equipment, superheated vapour pressure is 3.0MPa;
(2) regenerating wash oil in revivifier, add oil-poor, purged by superheated vapour, light constituent is discharged from top, and heavy constituent and tar residue are discharged from scum pipe, is mixed by the tar in residue tank with the tar residue from revivifier, produce waste gas, described waste gas enters spray column bottom through bleeder, and from the recirculated water condensation by contact of circulating water channel, water of condensation enters circulating water channel by water circulating pump; Not solidifying waste gas then enters waste gas recovering device and reclaims;
(3) after deslagging with superheated vapour clear and coherent Residue extraction pipeline again, purge complete, first close slag-discharging valve, then close steam valve; Drive residue pump and reverse flow valve subsequently, after ensureing whole system circulation 30min, close induced draft fan and spray column recirculated water, closing volume valve, opens and sends valve outside, is delivered to by tar in tar groove.
3. method as claimed in claim 2, is characterized in that, in described step (2), the tar in residue tank is 7:1 with the tar residue blending ratio from revivifier.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510548359.7A CN105132042B (en) | 2015-08-31 | 2015-08-31 | A kind of crude benzene regenerator slag-draining device and Slagoff method |
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| CN201510548359.7A CN105132042B (en) | 2015-08-31 | 2015-08-31 | A kind of crude benzene regenerator slag-draining device and Slagoff method |
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| CN105132042B CN105132042B (en) | 2017-09-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105920972A (en) * | 2016-06-02 | 2016-09-07 | 江苏华兴橡胶科技有限公司 | Exhaust gas recovery and purification system applied to tyre reclaimed rubber production |
| CN109604307A (en) * | 2018-12-07 | 2019-04-12 | 山西焦化股份有限公司 | A kind of equipment that two recovery systems crude benzol regeneration slag recycles |
| CN110368710A (en) * | 2018-04-14 | 2019-10-25 | 广东韶钢松山股份有限公司 | A kind of residue oil groove exhaust gas treating method |
| CN111333481A (en) * | 2020-03-18 | 2020-06-26 | 本钢板材股份有限公司 | Method for improving deep color and turbidity problems of crude benzene product |
| CN113020228A (en) * | 2021-04-15 | 2021-06-25 | 新余钢铁股份有限公司 | Benzene tank bottom residue treatment system and treatment process |
| CN114797138A (en) * | 2022-05-25 | 2022-07-29 | 广东韶钢松山股份有限公司 | Conveying method and device for residual oil |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105920972A (en) * | 2016-06-02 | 2016-09-07 | 江苏华兴橡胶科技有限公司 | Exhaust gas recovery and purification system applied to tyre reclaimed rubber production |
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| CN110368710A (en) * | 2018-04-14 | 2019-10-25 | 广东韶钢松山股份有限公司 | A kind of residue oil groove exhaust gas treating method |
| CN109604307A (en) * | 2018-12-07 | 2019-04-12 | 山西焦化股份有限公司 | A kind of equipment that two recovery systems crude benzol regeneration slag recycles |
| CN111333481A (en) * | 2020-03-18 | 2020-06-26 | 本钢板材股份有限公司 | Method for improving deep color and turbidity problems of crude benzene product |
| CN113020228A (en) * | 2021-04-15 | 2021-06-25 | 新余钢铁股份有限公司 | Benzene tank bottom residue treatment system and treatment process |
| CN114797138A (en) * | 2022-05-25 | 2022-07-29 | 广东韶钢松山股份有限公司 | Conveying method and device for residual oil |
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| CN105132042B (en) | 2017-09-26 |
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Inventor after: Wu Shenghai Inventor after: Wei Yunhua Inventor after: Ning Junfan Inventor after: Gao Peng Inventor after: Shao Cunlu Inventor after: Kong Luhui Inventor after: Li Chaowei Inventor after: Liu Baoliang Inventor before: Wu Shenghai Inventor before: Ning Junfan Inventor before: Gao Peng Inventor before: Shao Cunlu Inventor before: Kong Luhui Inventor before: Li Chaowei Inventor before: Liu Baoliang |
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Effective date of registration: 20170915 Address after: 274900 resident coal chemical industry park of Tian Zhen Town, Juye County, Shandong City, Heze province (327 National Road North) Co-patentee after: SHANDONG TIEXIONG XINSHA ENERGY CO., LTD. Patentee after: Shandong HENGWEI Chemical Technology Co., Ltd. Address before: 274900 Shandong city of Heze province Juye County Tian Qiao Zhen Shandong Tiexiong Xinsha Energy Co. Ltd. Patentee before: SHANDONG TIEXIONG XINSHA ENERGY CO., LTD. |
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