CN103613959A - Carbon black reaction furnace - Google Patents
Carbon black reaction furnace Download PDFInfo
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- CN103613959A CN103613959A CN201310680498.6A CN201310680498A CN103613959A CN 103613959 A CN103613959 A CN 103613959A CN 201310680498 A CN201310680498 A CN 201310680498A CN 103613959 A CN103613959 A CN 103613959A
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Abstract
The invention relates to the field of carbon black production, and particularly relates to a carbon black reaction furnace which comprises a combustion section, a choke section, a reaction section and a cooling section which are sequentially connected, wherein a front row of oil guns and a rear row of oil guns are arranged on the choke section, and a middle row of oil guns is arranged on the choke section and positioned between the front row of oil guns and the rear row of oil guns. According to the carbon black reaction furnace provided by the invention, the middle row of oil guns is arranged in the middle of the choke section, thus the yield of carbon black with high oil absorbing value is increased, and the problem that the equipment occupation space is increased by lengthening the choke section is prevented.
Description
Technical field
The present invention relates to production of carbon black field, in particular to black reactor.
Background technology
Carbon black is that under the operating mode of stock oil (coal tar, carbolineum, ethylene bottom oil etc.) high temperature, high flow rate in Reaktionsofen, incomplete combustion generates.The oil-absorption(number) of carbon black is an important indicator weighing carbon black mass, and oil-absorption(number) is higher, and the quality of carbon black is higher.
At present, in production of carbon black, most widely used equipment is six segmentation Reaktionsofens, and this Reaktionsofen comprises burner, burning zone, trunnion section, conversion zone, cooling section and six parts of stay segment that connect successively.The principle of work of this Reaktionsofen is: coal gas and air enter burning zone by burner, then in burning zone perfect combustion, produces high-temperature high-speed airflow, enters subsequently trunnion section; Now stock oil sprays into trunnion section through the oil gun of trunnion section setting, subsequently trunnion section with in conversion zone, contact mixing with the high-temperature high-speed airflow from burning zone, stock oil rapidly vaporization cracking generates carbon black; Carbon black enters cooling section by cooling rapidly subsequently, then enters stay segment, for next process operations such as () granulation of carbon black, dry or collections is prepared.
In above-mentioned reaction, the reaction times of carbon black is longer, and chain branch structure is just longer, and oil-absorption(number) is also just higher.And oil gun is closely related to the distance of cooling section in the reaction times of carbon black and trunnion section, in trunnion section, oil gun is longer to the distance of cooling section, and the reaction times of carbon black is just longer, and the oil-absorption(number) of the carbon black of generation is also just higher.But the reaction times of carbon black is longer, the byproduct that stock oil generates is just more, and the output of carbon black decreases.For this reason, the black reactor in correlation technique adopts the trunnion section of following structure conventionally: an oil extraction rifle (being front-seat oil gun and rear oil extraction rifle) is set respectively at the two ends of trunnion section.Because the front end of trunnion section is connected with burning zone, rear end is connected with conversion zone, and therefore front-seat oil gun is far away apart from cooling section, makes the long reaction time of stock oil, and the oil-absorption(number) of the carbon black of generation is higher, but yields poorly.Rear oil extraction rifle is near apart from cooling section, makes the reaction times of stock oil short, and the carbon black output of generation is high, but oil-absorption(number) is lower, cannot meet quality product requirement.
As can be seen here, adopt the as above trunnion section of structure, although the ultimate production of carbon black increases.But the output of the carbon black of high oil-absorption(number) is still lower.
Summary of the invention
The object of the present invention is to provide black reactor, to solve the above problems.
A kind of black reactor is provided in an embodiment of the present invention, has comprised the burning zone, trunnion section, conversion zone and the cooling section that connect successively; Trunnion section is provided with front-seat oil gun and rear oil extraction rifle, and trunnion section goes forward to be provided with middle oil extraction rifle between oil extraction rifle and rear oil extraction rifle.
Further, middle oil extraction rifle is uniformly distributed 8 oil guns.
Further, front-seat oil gun is uniformly distributed 8 oil guns.
Further, rear oil extraction rifle is uniformly distributed 8 oil guns.
Further, front-seat oil gun to the distance of middle oil extraction rifle with and middle oil extraction rifle extremely the distance of rear oil extraction rifle equate.
Further, the length of trunnion section is 1078mm, and one end that trunnion section is connected with burning zone is front end, and the distance between front-seat oil gun and the front end of trunnion section is 231mm, distance between middle oil extraction rifle and front-seat oil gun is 257mm, and the distance between rear oil extraction rifle and front-seat oil gun is 515mm.
Oil extraction rifle during the black reactor of the above embodiment of the present invention increases by the middle part in trunnion section, improved the output of the carbon black of high oil-absorption(number), be specially: compare with rear oil extraction rifle, the middle oil extraction rifle of trunnion section and the distance of cooling section, therefore the long reaction time of stock oil herein, the oil-absorption(number) of the carbon black generating is just higher, thereby can obtain the carbon black of how high oil-absorption(number), therefore, compare with the Reaktionsofen in correlation technique, the output that the Reaktionsofen of above-described embodiment is produced high oil-absorption(number) carbon black is higher.Simultaneously, through evidence, the oil-absorption(number) high approximately 10% of the carbon black that the oil-absorption(number) of the carbon black that in use, oil extraction rifle obtains obtains than oil extraction rifle after using, in addition, the output of the carbon black that in use, oil extraction rifle obtains has improved approximately 20% than the output of the carbon black that uses front-seat oil gun to obtain, and in using oil extraction rifle can in a large number production model the comparatively high-end carbon black that is N220 and N234.
In addition, above-described embodiment has replaced lengthening trunnion section and has improved the mode of carbon black oil-absorption(number), thereby has avoided lengthening the problem that trunnion section meeting increasing device takes up room.
The principle that above-mentioned black reactor is produced carbon black is identical with correlation technique, and coal gas and air, in burning zone perfect combustion, produce high-temperature high-speed airflow, enter subsequently trunnion section; The three oil extraction rifles that now stock oil arranges through trunnion section (front-seat, middle row and after row) spray into trunnion section, subsequently trunnion section with in conversion zone, contact with the high-temperature high-speed airflow from burning zone mixings, the stock oil also cracking generation carbon black of vaporizing rapidly.In actual production, can selectivity use in three oil extraction rifles as required, i.e. unlatching a row or several rows oil gun wherein.
Accompanying drawing explanation
Fig. 1 shows the structural representation of trunnion section in embodiments of the invention;
Fig. 2 shows the A-A sectional view of Fig. 1.
Embodiment
Below by specific embodiment, also by reference to the accompanying drawings the present invention is described in further detail.
One embodiment of the present of invention provide a kind of black reactor, comprise the burning zone, trunnion section 1, conversion zone and the cooling section that connect successively; As illustrated in fig. 1 and 2, trunnion section 1 is provided with front-seat oil gun 2 and rear oil extraction rifle 4 to the structure of trunnion section 1, and trunnion section 1 goes forward to be provided with middle oil extraction rifle 3 between oil extraction rifle 2 and rear oil extraction rifle 4.Wherein, in Fig. 2, the projection of front-seat oil gun, rear oil extraction rifle and middle oil extraction rifle overlaps 5 places.
Oil extraction rifle during above black reactor increases by the middle part in trunnion section 1, improved the output of the carbon black of high oil-absorption(number), be specially: compare with rear oil extraction rifle 4, the middle oil extraction rifle 3 of trunnion section 1 and the distance of cooling section, the therefore long reaction time of stock oil herein, the oil-absorption(number) of the carbon black of generation is just higher, thereby can obtain the carbon black of how high oil-absorption(number), therefore, compare with the Reaktionsofen in correlation technique, the output that the Reaktionsofen of above-described embodiment is produced high oil-absorption(number) carbon black is higher.In addition, through evidence, the oil-absorption(number) high approximately 10% of the carbon black that the oil-absorption(number) of the carbon black that in use, oil extraction rifle 3 obtains obtains than oil extraction rifle 4 after using, the output of the carbon black that in use, oil extraction rifle 3 obtains has improved approximately 20% than the output of the carbon black that uses front-seat oil gun 2 to obtain, and in using oil extraction rifle 3 can in a large number production model the carbon black that is N220 and N234.
In addition, above-described embodiment has replaced lengthening trunnion section 1 and has improved the mode of carbon black oil-absorption(number), thereby has avoided lengthening the problem that trunnion section 1 meeting increasing device takes up room.
The principle that above-mentioned black reactor is produced carbon black is identical with correlation technique, and coal gas and air, in burning zone perfect combustion, produce high-temperature high-speed airflow, enter subsequently trunnion section 1; The three oil extraction rifles that now stock oil arranges through trunnion section 1 (front-seat, middle row and after row) spray into trunnion section 1, subsequently trunnion section 1 with in conversion zone, contact with the high-temperature high-speed airflow from burning zone mixings, the stock oil also cracking generation carbon black of vaporizing rapidly.In actual production, can selectivity use in three oil extraction rifles as required, i.e. unlatching a row or several rows oil gun wherein.
In addition, above-mentioned black reactor can also further improve, to reach more technique effect, literary composition specific as follows.
Preferably, middle oil extraction rifle 3 is uniformly distributed 8 oil guns, and/or, front-seat oil gun 2 is uniformly distributed 8 oil guns, and/or rear oil extraction rifle 4 is uniformly distributed 8 oil guns: guarantee that stock oil has enough penetration powers and coverage rate, be conducive to stock oil atomization, thereby improve the formation efficiency of carbon black.
Preferably, front-seat oil gun 2 to the distance of middle oil extraction rifle 3 with and middle oil extraction rifle 3 to the distance of rear oil extraction rifle 4 equate.Three oil extraction rifles adopt above-mentioned distribution can improve the uniformity coefficient of carbon black mass.
According to above preferred distance proportion, below provide a more specifically trunnion section: the length of trunnion section 1 is 1078mm, one end that trunnion section 1 is connected with burning zone is front end, distance between front-seat oil gun 2 and the front end of trunnion section 1 is 231mm, distance between middle oil extraction rifle 3 and front-seat oil gun 2 is 257mm, and the distance between rear oil extraction rifle 4 and front-seat oil gun 2 is 515mm.This trunnion section is applicable to 2.5 ten thousand tons of production-scale Reaktionsofens.
In order more to clearly demonstrate effect of the present invention, the present invention also provides concrete test example.
Test example one
Utilize respectively front-seat oil gun and middle oil extraction rifle production carbon black in trunnion section, and both carbon black output is contrasted, result is as shown in table 1.
The front-seat oil gun of table 1 and middle oil extraction rifle are produced the output of carbon black
| Oil gun position | Air quantity Nm 3/h | Feed stock for blast furnace oil kg/h | Output t/h |
| Front-seat oil gun | 11000 | 3150 | 2.0 |
| Middle oil extraction rifle | 11000 | 3900 | 2.4 |
As can be seen from Table 1, in use, oil extraction rifle has promoted approximately 20% than the carbon black output of the front-seat oil gun of use.While in fact using middle oil gun, when the air quantity of oil extraction rifle is used front-seat oil gun in use, increase 300Nm
3/ h, that is to say, the raising of production capacity, over 20%, in the situation that guaranteeing quality product, has reached the output with rear oil extraction rifle.
Test example two
Use respectively Reaktionsofen (hereinafter to be referred as three oil extraction rifle Reaktionsofens) the production carbon black that the Reaktionsofen (hereinafter to be referred as two oil extraction rifle Reaktionsofens) of front-seat oil gun, rear oil extraction rifle is set and front-seat oil gun, middle oil extraction rifle, rear oil extraction rifle are set, the gas consumption amount that compares both, result is as shown in table 2.
The gas consumption amount of table 2 liang oil extraction rifle Reaktionsofen and three oil extraction rifle Reaktionsofens
As can be seen from Table 2, by 0.65 yuan/m3 coal gas unit price, adjust, utilize three oil extraction rifle Reaktionsofens, carbon black gas saving per ton consumes 142m
3, amount to 92.3 yuan of costs.
Test example three
Utilize respectively the front-seat oil gun of trunnion section and middle oil extraction rifle to produce carbon black, and the additive capacity that both are consumed contrasts, result is as shown in table 3.From result, the additive usage quantity in use during oil extraction rifle is for being used 10% of front-seat oil gun.
Table 3 is used the depletion of additive amount of front-seat oil gun and middle oil extraction rifle
Test example four
Produce the oily proportioning of N234 carbon black
Due to when guaranteeing production capacity, the product oil-absorption(number) that Reaktionsofen of the present invention obtains obtains a certain amount of lifting, thereby guaranteeing on the basis of product tinctorial strength as far as possible, can suitably increase the tar ratio in oily proportioning for N234, can will now by 8:2 proportioning, further be extended to 7:3 or 6:4 proportioning, and be feasible by this ratio of verification experimental verification.
Press 3400 yuan/ton of carbolineums, 2700 yuan/ton of calculating of coal tar, carbolineum: 3260 yuan/ton of coal tar=8:2 carbon black oil costs, use 7:3 carbon black oil cost to decline 70 yuan/ton, further use 6:4 carbon black oil cost can decline 140 yuan/ton.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. black reactor, comprises the burning zone, trunnion section, conversion zone and the cooling section that connect successively; Described trunnion section is provided with front-seat oil gun and rear oil extraction rifle, it is characterized in that, between the above front-seat oil gun of described trunnion section and described rear oil extraction rifle, is provided with middle oil extraction rifle.
2. black reactor according to claim 1, is characterized in that, described middle oil extraction rifle is uniformly distributed 8 oil guns.
3. black reactor according to claim 1, is characterized in that, described front-seat oil gun is uniformly distributed 8 oil guns.
4. black reactor according to claim 1, is characterized in that, described rear oil extraction rifle is uniformly distributed 8 oil guns.
5. black reactor according to claim 1, is characterized in that, described front-seat oil gun to the distance of described middle oil extraction rifle with and described middle oil extraction rifle extremely the distance of described rear oil extraction rifle equate.
6. black reactor according to claim 1, it is characterized in that, the length of described trunnion section is 1078mm, one end that described trunnion section is connected with described burning zone is front end, distance between described front-seat oil gun and the front end of described trunnion section is 231mm, distance between described middle oil extraction rifle and described front-seat oil gun is 257mm, and the distance between described rear oil extraction rifle and described front-seat oil gun is 515mm.
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| CN201310680498.6A CN103613959B (en) | 2013-12-12 | 2013-12-12 | Black reactor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980741A (en) * | 2014-04-11 | 2014-08-13 | 嘉峪关大友嘉能化工有限公司 | Method and reacting furnace for production of rubber-grade carbon black from coal tar |
| CN106675113A (en) * | 2017-03-06 | 2017-05-17 | 唐山黑猫炭黑有限责任公司 | U-shaped carbon black reaction furnace device for producing carbon black |
| CN109777158A (en) * | 2019-03-05 | 2019-05-21 | 云南云维飞虎化工有限公司 | A kind of new-type carbon black reacting furnace |
| CN110330816A (en) * | 2019-07-26 | 2019-10-15 | 邯郸黑猫炭黑有限责任公司 | A kind of formula oil and preparation method thereof for production of carbon black |
| CN111154296A (en) * | 2020-03-02 | 2020-05-15 | 江西黑猫炭黑股份有限公司 | Throat pipe for producing carbon black and raw oil spray gun |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980741A (en) * | 2014-04-11 | 2014-08-13 | 嘉峪关大友嘉能化工有限公司 | Method and reacting furnace for production of rubber-grade carbon black from coal tar |
| CN103980741B (en) * | 2014-04-11 | 2016-01-20 | 嘉峪关大友嘉能化工有限公司 | A kind of method and Reaktionsofen producing rubber grade carbon black with coal tar |
| CN106675113A (en) * | 2017-03-06 | 2017-05-17 | 唐山黑猫炭黑有限责任公司 | U-shaped carbon black reaction furnace device for producing carbon black |
| CN109777158A (en) * | 2019-03-05 | 2019-05-21 | 云南云维飞虎化工有限公司 | A kind of new-type carbon black reacting furnace |
| CN110330816A (en) * | 2019-07-26 | 2019-10-15 | 邯郸黑猫炭黑有限责任公司 | A kind of formula oil and preparation method thereof for production of carbon black |
| CN111154296A (en) * | 2020-03-02 | 2020-05-15 | 江西黑猫炭黑股份有限公司 | Throat pipe for producing carbon black and raw oil spray gun |
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| CN103613959B (en) | 2015-10-21 |
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Effective date of registration: 20190102 Address after: 655331 Pine Forest Community of Huashan Street, Zhanyi District, Qujing City, Yunnan Province Patentee after: Yunnan Yunwei Feihu Chemical Co., Ltd. Address before: 655336 Songlin Village, Panjiang Town, Zhanyi County, Qujing City, Yunnan Province Patentee before: Yunnan Dawei Coke Co., Ltd. |
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