CN102002379B - Device and process for preparing and producing oils for processing coal tar - Google Patents
Device and process for preparing and producing oils for processing coal tar Download PDFInfo
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- CN102002379B CN102002379B CN 201010584045 CN201010584045A CN102002379B CN 102002379 B CN102002379 B CN 102002379B CN 201010584045 CN201010584045 CN 201010584045 CN 201010584045 A CN201010584045 A CN 201010584045A CN 102002379 B CN102002379 B CN 102002379B
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Abstract
The invention discloses a device and a process for preparing and producing oils for processing coal tar. The device comprises an oil distributing tank, an oil gas condenser, an oil gas capturer, an oil distributing conveying pump, an oil distribution gasification and condensation cooler, a waste gas cooler and the like. The process is as follows: anthracene oil is pumped to a shell side of the oil gas condenser at the upper part of the oil distributing tank, enters the oil gas capturer, then enters the shell side of the oil gas condenser from top to bottom, enters the oil distributing tank, then is mixed with medium-temperature asphalt in the oil distributing tank, and then is circulated to the oil distributing tank through the oil distributing conveying pump and the oil distribution gasification and condensation cooler; oil generated during the oil distribution sequentially passes through the oil gas condenser, the oil gas capturer and the waste gas cooler; the anthracene oil is completely recycled, and waste gas after the anthracene oil is removed is washed with gas absorber oil and then discharged into atmosphere; and the final product is conveyed to a product tank through a product conveying pipeline. The device and process thereof are simple and convenient for operation; and the obtained product has the advantages of stable quality, good product quality, high yield and no pollution during the production.
Description
Technical field
The present invention relates to metallurgical coking industry coal tar processing route field, specifically, be oil product preparation production equipment and the production technique thereof of production process in the middle of the coal tar processing device, be applicable to technological transformation and the new project of metallurgical coking industry coal tar processing industry.
Background technology
The oil product preparation production technological process of production of existing coal tar processing industry generally is that mid-temperature pitch and carbolineum enter respectively distributing groove both at home and abroad, be provided with mechanical stirrer at distributing groove, when producing, start agitator, allow the mid-temperature pitch and the carbolineum that enter distributing groove mix, quality according to oil product, adjust respectively mid-temperature pitch and carbolineum inlet, the oil gas that produces when it joins oil, directly enter the exhaust cleaning system through bleeder, when inlet amount is large, produce a large amount of oil gas, can not all enter diffusion system, the flange connections of part oil gas slave unit and stirrer shaft sealing place are revealed, and pollute surrounding environment; Enter the flue gas of diffusion system because temperature is higher, the washing oil temperature of exhaust system is raise, also follow a large amount of carbolineums to enter cleaning system, make the exhaust cleaning system clean decrease in efficiency, show as exhaust washing column exhaust band oil, the oil gas that produces when joining oil for minimizing, some distributing devices have increased pitch vaporization and condensation water cooler before the mid-temperature pitch pipeline enters distributing groove, distributing groove arranges 2 covers usually.
The above-mentioned oil product preparation technological process of production is distributed a large amount of flue gas (oil gas) around device, its reason mainly is:
(a) temperature that can not cool off of mid-temperature pitch is too low, and misoperation makes the pitch blocking pipe easily;
(b) since equipment on mechanical stirring device, agitator runs to its packing seal place fume leakage of certain hour;
(c) for guaranteeing the repair and maintenance of agitator, the large flange of section steel manufacture is adopted at the equipment top, is connected with bolt, asbestos plate pad with top board because equipment is larger, all be the in-situ processing making, during production all around in various degree emit flue gas;
(d) temperature Gao Shiyi causes bumping, from flange connection surface and stirrer shaft sealing leakage of oil, causes when serious and sends out oil leak accident;
(e) flue-gas temperature is high, with larger, makes exhaust cleaning system decrease in efficiency, and after running for some time, the waste gas band oil that gas shaft is discharged is around floating down on the wind
The existing present both at home and abroad oil product preparation production process in all coal tar processing device also have well to solve the smog of joining oil generation around device when producing, in contaminate environment also with the damage of carbolineum raw material; Agitator not only consumes a large amount of energy in condition of high temperature running for a long time, also want the regular maintenance agitator, can say, current all coal tar processing enterprises are perplexed by the pollution of oil product preparation production equipment all when producing, operator not only are subject to smog, mist of oil infringement when operation, also with certain risk.
There is following defective in the oil product preparation Processes and apparatus of each manufacturing enterprise's use now:
(a) smog is large, contaminate environment, and the infringement operator are physically and mentally healthy;
(b) the oil loss amount is large, and production cost increases;
(c) operation makes agitator current consumption large, and it is higher to consume energy;
(d) maintenance of the equipment is frequent, and labor intensity of operating staff is large;
(e) mishandle can cause the pitch bumping, and accident can cause casualties when serious.
Therefore, in the coal tar processing process, in the urgent need to improving existing oil product preparation production technique, make new oil product preparation production technique be more suitable for the coal tar processing need of production, reduce the coal tar processing device to the pollution of environment.Be badly in need of design and have that technical process is simple, investment is low, pollution-free, suitability novel oil product preparation production equipment widely.
Summary of the invention
The object of the invention provides the production technique of oil product preparation in a kind of coal tar processing process, to realize reducing the unit consumption of product, increases carbon black oil or oil fuel product yield, and the purpose of improving the quality of products improves Business Economic Benefit.The present invention also is coal tar processing industry environmental contamination reduction, the new technology of energy efficiency.
The main points of explained hereafter flow process of the present invention are thoroughly to solve the problem of environmental pollution that oil product preparation is produced, and are energy-saving and cost-reducing, reduce project investment.
Another object of the present invention provides a cover and guarantees pollution-free for described coal tar processing process oil product preparation production technique, the environmental protection that has no irritating odor, take up an area few, less investment, oil product preparation production equipment simple to operate, that labour intensity is low, safe.
Technical scheme of the present invention
A kind of oil product preparation production equipment of coal tar processing process comprises and joins oil tank, it is characterized in that also wrapping
Draw together, oil-gas condenser, hydrocarbon entrapment device, join oily transferpump, join oily vaporization and condensation water cooler, gaseous effluent cooler;
The described oil tank, oil-gas condenser, three equipment of hydrocarbon entrapment device of joining is integrated, and complies with from top to bottom
Inferior for hydrocarbon entrapment device, oil-gas condenser, join oil tank;
The opening for feed place on described hydrocarbon entrapment device top is provided with the carbolineum divider, the feed distributor that the carbolineum divider adopts chemical tower to use, because it is installed in opening for feed place, hydrocarbon entrapment device top, can guarantee that the carbolineum that enters the hydrocarbon entrapment device evenly sprays on top;
The bottom of carbolineum divider is provided with 5～10 layers of ripple tray from top to bottom successively in the described hydrocarbon entrapment device, and each tray spacing is 500mm, and first ripple tray below the top-down carbolineum divider and the spacing of carbolineum divider are 800mm.
Described ripple tray pattern is the ripple tray that chemical tower uses, because it is installed in the bottom of carbolineum divider in the hydrocarbon entrapment device, the so carbolineum that evenly sprays of carbolineum divider, fall on the ripple tray, carry out the gas-to-liquid contact of carbolineum and oil gas at tower tray, realize that carbolineum is to containing the capture of carbolineum in the oil gas;
Hydrocarbon entrapment device, oil-gas condenser, the connection of joining between the oil tank are the flange seal connection, form the closed-loop operation system, be that hydrocarbon entrapment device lower flange is connected with oil gas condensation water cooler upper flange, oil gas condensation water cooler lower flange with join the oil tank top flange and be connected; Described flange connects, and namely is furnished with the packing ring that seals between each joint flange;
In addition, link to each other with the entrance of the shell side of oil-gas condenser for delivery of the pipeline of raw material carbolineum, oil gas is cold
The outlet of the shell side of condenser links to each other with the opening for feed on hydrocarbon entrapment device top;
The top of described hydrocarbon entrapment device also links to each other with gaseous effluent cooler by pipeline; Described waste gas cooling
Device also links to each other with exhaust Washers with Venturi meter; In addition, gaseous effluent cooler bottom also by pipeline with join oil tank and link to each other;
The described tank bottom of joining exports by the pipeline of joining oily transferpump being housed and joining oily vaporization and condensation water cooler
Entrance link to each other;
Described outlet of joining oily vaporization and condensation water cooler by return line with join oil tank and link to each other return line
The oil tank outside is being joined apart from joining oil tank bottom in the road
550～650mmThe place extend into joins oil tank inside.Return line is being joined the oil tank outside apart from joining oil tank bottom in the preferred embodiment of the invention
550～650mmHorizontal loops was put after the place extend into and joins the inner bending of oil tank, the return line that horizontal loops is put, shut the termination of pipe, below the pipe of the return line of putting in horizontal loops or side-lower equidistantly open 10 irregular circular holes, its aperture is 0.32 of return line caliber, r/R=0.32;
In addition, also be provided with a bypass on the described return line, be the product transport pipe, this product transport pipe links to each other with the products pot of carbon black oil or oil fuel;
For delivery of the pipeline of raw material mid-temperature pitch with join oil tank and link to each other.
A kind of production technique of utilizing device described above to carry out oil product preparation, step is as follows:
Mid-temperature pitch and carbolineum entered continuously by pipeline join oil tank; Wherein to enter that the ratio of joining oil tank calculates by volume be mid-temperature pitch for mid-temperature pitch and carbolineum: carbolineum is 1:0.4～1.2, and flow velocity is 0.5～1.5m/s;
In a preferred embodiment of the invention, mid-temperature pitch directly enters by pipeline self from the tar distillation flash evaporator and joins oil tank; Another kind of raw material carbolineum is delivered to by pipeline by the carbolineum pump of tar distillation and is joined oily operation;
Carbolineum at first passes through the shell side of the oil-gas condenser of joining oil tank top, enters the carbolineum divider on hydrocarbon entrapment device top again, makes carbolineum enter oil gas condensation water cooler tube side from top to bottom at this by the carbolineum divider, enters and joins oil tank;
In joining oil tank, mid-temperature pitch and carbolineum can produce a large amount of high-temperature oil gas when mixing, in this oil gas uphill process, at first enter the oil-gas condenser tube side, then enter the hydrocarbon entrapment device, produce a large amount of high-temperature oil gas when joining oil like this through oil-gas condenser and hydrocarbon entrapment device, contain a large amount of oil of joining in the oil gas and be condensed, certainly flow back to and join oil tank; Join the oil tank utilization and join oily transferpump and extract out and join oil production, and some is back to through return line and joins oil tank;
Joining mid-temperature pitch and carbolineum utilization in the oil tank joins oily transferpump, joins oily vaporization and condensation water cooler and return line carries out the oil product circulation, mid-temperature pitch and carbolineum are fully mixed, final needed carbon black oil or the oil fuel of forming, treat that liquid level reaches and join oil tank range 50～70% values, open again the product line of pipes, product oil is delivered to the products pot of carbon black oil or oil fuel, adjust simultaneously produced quantity, keep that to join oil tank level stable;
Join oily transferpump joining to start when oil tank is in low liquid level, join oily transferpump outlet and discharge oil through joining oily vaporization and condensation water cooler cooling, pass through again return line, be back to and join oil tank, mid-temperature pitch and carbolineum were fully mixed, the temperature of joining oil tank is reduced;
Hydrocarbon entrapment device top expellant gas cools off through gaseous effluent cooler, the micro oil that contains in the gas is cooled again, the oil that condenses returns joins oil tank or delivers to the tar stock tank, and cooled waste gas is through removing the exhaust washing column, enters atmosphere after cleaning with washing oil; Wherein the cooled gas temperature of control is 60 ℃ in the gaseous effluent cooler process of cooling, can ensure in the waste gas not oil-containing, and waste gas cleans through washing oil that to drain into atmosphere free from environmental pollution again.
Above-mentioned join in the oil tank working process control and join that temperature is 150～250 ℃ in the oil tank, joining tank pressure is 0.03～0.5MPa; This operating temperature range and working pressure scope, e-quipment and pipe stops up in the time of can preventing from joining oil, avoids again joining simultaneously the operational danger that oil tank high temperature brings.
Above-mentioned production technique adopts joins oily transferpump outlet discharge oil through joining oily vaporization and condensation water cooler cooling, cooled oil is back to joins oil tank, the heat that mid-temperature pitch can be brought is taken out of by the oily vaporization and condensation water cooler of circulation line, the temperature of joining oil in the oil tank is reduced, operating temperature range can be controlled at 150～250 ℃, reduce the evaporating capacity of joining carbolineum in the oil production process, avoid the equipment superpressure;
Above-mentioned production technique adopts oil gas through oil-gas condenser and the heat exchange of shell side raw material carbolineum, oil gas temperature decrease, a large amount of being condensed of carbolineum of vaporization cool down, this part carbolineum is got back to again and is joined oil tank, make and join raw materials used carbolineum amount loss amount minimizing in the oil, better guarantee to join the stable of oil production quality;
Described production technique adopt the hydrocarbon entrapment device capture in the oil gas with residual carbolineum, make in the exhaust carbolineum content be down to minimum, on hydrocarbon entrapment device top the carbolineum divider is arranged, the bottom is provided with 5 ~ 10 layers of ripple tray, carbolineum at this from top to bottom, oil gas enters hydrocarbon entrapment device bottom, and with the reverse gas-to-liquid contact of carbolineum, carbolineum remaining in the oil gas is captured to greatest extent;
Described production technique adopts hydrocarbon entrapment device top expellant gas to cool off through gaseous effluent cooler, the micro oil that contains in the gas is cooled again, the Residual oil that recovery condenses returns joins oil tank, cooled gas temperature is 60 ℃, can ensure in the waste gas not oil-containing, waste gas cleans through washing oil that to drain into atmosphere free from environmental pollution again.
In addition, the used major equipment of production technique of the present invention is to join oil tank, oil-gas condenser, hydrocarbon entrapment device employing special construction design (seeing the narration of major equipment structure), be interconnected to integrated, utilize simultaneously and join oily transferpump outlet and discharge being back to behind the oil cooling and join oil tank, again mix, not only play stirring action, the temperature of joining oil in the oil tank is reduced, this equipment belongs to low-pressure pressure container, and is simple to operate, and security is good.
Beneficial effect of the present invention
Oil product preparation production equipment of the present invention and production technique thereof have following advantage:
The present invention adopts Trinitarian special construction design owing to join oil tank, oil-gas condenser, hydrocarbon entrapment device, making the even mixing process of whole mid-temperature pitch and carbolineum is to finish in closed system, do not have gas overflowing, do not have oil product excessive, improved product yield thereby compare; Also can realize even mixing on the other hand, process temperature is constant, and constant pressure can operate continuously, and mid-temperature pitch and carbolineum charge ratio are stable, constant product quality;
The present invention is owing to the cooled gas temperature of control in the gaseous effluent cooler process of cooling is 60 ℃, can ensure in the waste gas not oil-containing, waste gas cleans through washing oil that to drain into atmosphere free from environmental pollution again, thereby guaranteed not have smog and oils excessive, safe and reliable production environment, waste gas does not contain hazardous substance, and is free from environmental pollution;
The present invention adopts and to join oily transferpump outlet and discharge oil through joining oily vaporization and condensation water cooler cooling, and cooled oil is back to joins oil tank, and carrying out the oil product circulation, to have replaced traditional mid-temperature pitch and mixing of carbolineum be to adopt churned mechanically form, thus the reduction energy consumption.
In addition, the present invention adopts Trinitarian special construction design owing to join oil tank, oil-gas condenser, hydrocarbon entrapment device, and whole device project organization is simple, takes up an area little, less investment, and its production technique is simple, easy to operate.
Oil product preparation production equipment and the production technique thereof of a kind of coal tar processing process of the present invention can match with 30,000 ton/years of-1,000,000 ton/years of coal tar processing equipment, can realize joining continuously oil production.
Description of drawings
The oil product preparation production equipment synoptic diagram of Fig. 1, a kind of coal tar processing process.
Fig. 2, join the structural representation that oil tank, oil-gas condenser, three equipment of hydrocarbon entrapment device are integrated.
Embodiment
Below in conjunction with accompanying drawing the present invention is further set forth, but do not limit the present invention.
A kind of oil product preparation production equipment synoptic diagram of coal tar processing process, as shown in Figure 1 and Figure 2.
The oil product preparation production equipment of a kind of coal tar processing process of described the present invention comprises joins oil tank 1, oil-gas condenser 2, hydrocarbon entrapment device 3, joins oily transferpump 4, joins the equipment such as oily vaporization and condensation water cooler 5, gaseous effluent cooler 6;
The described oil tank 1, oil- gas condenser 2,3 three equipment of hydrocarbon entrapment device of joining is integrated, and is followed successively by from top to down hydrocarbon entrapment device 3, oil-gas condenser 2, joins oil tank 1;
As shown in Figure 2, the opening for feed place, top in the described hydrocarbon entrapment device 3 is provided with carbolineum divider 31, and the feed distributor that described carbolineum divider adopts chemical tower to use can guarantee that the carbolineum that enters hydrocarbon entrapment device 3 evenly sprays on top;
As shown in Figure 2, bottom in the described hydrocarbon entrapment device 3 is provided with 5～10 layers of ripple tray 32 from top to bottom successively, this ripple tray pattern is the ripple tray that chemical tower uses, be installed in the bottom of carbolineum divider in the hydrocarbon entrapment device, the so carbolineum that evenly sprays of carbolineum divider, fall on the ripple tray, carry out the gas-to-liquid contact of carbolineum and oil gas at tower tray, realize that carbolineum is to containing the capture of carbolineum in the oil gas; Described each tray spacing is 500mm, and first ripple tray below the top-down carbolineum divider and the spacing of carbolineum divider are 800mm.
In addition, link to each other with the entrance of the shell side of oil-gas condenser 2 for delivery of the pipeline of raw material carbolineum, the outlet of the shell side of oil-gas condenser 2 links to each other with the opening for feed on hydrocarbon entrapment device 3 tops;
The top of described hydrocarbon entrapment device 3 also links to each other with gaseous effluent cooler 6 by pipeline; Described gaseous effluent cooler 6 also links to each other by the Venturi meter of pipeline with the exhaust cleaning system, cleans with washing oil through Venturi meter and removes the exhaust washing column, enters atmosphere; In addition, the bottom of gaseous effluent cooler 6 also by pipeline with join oil tank and link to each other;
Described oil tank 1 outlet at bottom of joining links to each other with the entrance of joining oily vaporization and condensation water cooler 5 by the pipeline of joining oily transferpump 4 is housed;
Described outlet of joining oily vaporization and condensation water cooler 5 by return line with join oil tank 1 and link to each other, identity distance is joined tank bottom outside joining oil tank
550～650mmThe place extend into joins oil tank inside;
In addition, also be provided with a bypass on the described return line, be the product transport pipe, this product transport pipe links to each other with the products pot of carbon black oil or oil fuel;
For delivery of the pipeline of raw material mid-temperature pitch with join oil tank 1 and link to each other.
As the outlet of joining oily vaporization and condensation water cooler 5 among the embodiment 1 by return line with join oil tank 1 and link to each other, return line extend into joins oil tank inside, horizontal loops is put after the bending, the return line 11 that horizontal loops is put is as shown in Figure 2; Shut the termination of pipe, below the pipe of the return line of putting in horizontal loops or side-lower equidistantly open 10 irregular circular holes, its aperture is 0.32 of return line caliber, i.e. r/R=0.32, other are with embodiment 1.
Be provided with continuous pipeline between the described entrance and exit of joining oily vaporization and condensation water cooler 5.This pipeline, join oily transferpump 4, join oil tank, return line and relevant pipeline connect and compose the oil product circulation loop jointly, other are with embodiment 1.
Mid-temperature pitch and carbolineum entered continuously by pipeline join oil tank;
Wherein to enter that the ratio of joining oil tank calculates by volume be mid-temperature pitch for mid-temperature pitch and carbolineum: carbolineum is 1:1, and the mid-temperature pitch flow velocity is 0.6m/s, and the carbolineum flow velocity is 1.1m/s;
Wherein mid-temperature pitch directly enters by pipeline self from the tar distillation flash evaporator and joins oil tank;
Another kind of raw material carbolineum is delivered to by pipeline by the carbolineum pump of tar distillation and is joined oily operation, carbolineum at first passes through the shell side of the oil-gas condenser of joining oil tank top, enter again hydrocarbon entrapment device top, make carbolineum enter oil gas condensation water cooler tube side from top to bottom at this by the carbolineum divider, enter again and join oil tank, it is 180 ℃ that the interior temperature of oil tank is joined in control, and joining tank pressure is 0.05MPa;
Joining mid-temperature pitch and carbolineum utilization in the oil tank joins oily transferpump, joins oily vaporization and condensation water cooler and return line carries out the oil product circulation, mid-temperature pitch and carbolineum are fully mixed, form needed carbon black oil or oil fuel, treat that liquid level reaches when joining oil tank range 50% value, open again the product line of pipes, product oil is delivered to the products pot of carbon black oil or oil fuel; Hydrocarbon entrapment device top expellant gas cools off through gaseous effluent cooler, and the oil that condenses returns joins oil tank or deliver to the tar stock tank, owing to there is not the run, drip, leak accident to occur, output ratio is suitable, and this product yield reaches 100%.Cooled waste gas is through removing the exhaust washing column, enters atmosphere after cleaning with washing oil; Wherein the cooled gas temperature of control is 60 ℃ in the gaseous effluent cooler process of cooling, simultaneously the waste gas of getting rid of is detected, and exhausted air quantity is very little, oil-containing not in the waste gas.
It is mid-temperature pitch that control mid-temperature pitch and carbolineum enter that the ratio of joining oil tank calculates by volume: carbolineum is 1:0.5, and other are with embodiment 4.
Comprehensive above embodiment can find out oil product preparation production equipment and the production technique thereof of a kind of coal tar processing process of the present invention, can thoroughly eliminate the mist of oil of joining oil generation when producing; Simultaneously, can also improve quality and the yield of joining oil production, reduce the oil product loss; Utilize reflux cycle to stir and to substitute mechanical stirring fully, oil product is mixed fully and completely, reach the effect of save energy.
The contriver wishes that new generation technique can promote the use of in the coal tar processing industry, thoroughly change the environmental pollution that in the past oil product preparation production brings, alleviate the sector operator's work load, can improve the economic benefit of coal tar processing enterprise, have preferably application prospect.
Under the prerequisite that does not depart from operational path of the present invention and essence, can carry out various modifications and change to the present invention, these modifications and change all belong within the scope of appended claims.
Claims (9)
1. the oil product preparation production equipment of a coal tar processing process comprises and joins oil tank, characterized by further comprising, oil-gas condenser, hydrocarbon entrapment device, joins oily transferpump, joins oily vaporization and condensation water cooler, gaseous effluent cooler;
The described oil tank, oil-gas condenser, three equipment of hydrocarbon entrapment device of joining is integrated, and is followed successively by from top to down hydrocarbon entrapment device, oil-gas condenser, joins oil tank;
Hydrocarbon entrapment device, oil-gas condenser, join connection between the oil tank and be flange and connect, namely hydrocarbon entrapment device lower flange is connected with oil gas condensation water cooler upper flange, oil gas condensation water cooler lower flange with join the oil tank top flange and be connected; Described flange connection portion is furnished with the packing ring that seals between each joint flange;
In addition, link to each other with the entrance of the shell side of oil-gas condenser for delivery of the pipeline of raw material carbolineum, the outlet of the shell side of oil-gas condenser links to each other with the opening for feed on hydrocarbon entrapment device top;
Described hydrocarbon entrapment device top also links to each other with gaseous effluent cooler by pipeline; Described gaseous effluent cooler is final also to link to each other with exhaust Washers with Venturi meter; In addition, gaseous effluent cooler bottom also by pipeline with join oil tank and link to each other;
Describedly join tank bottom outlet and link to each other with the entrance of joining oily vaporization and condensation water cooler by the pipeline of joining oily transferpump is housed;
Described outlet of joining oily vaporization and condensation water cooler by return line with join oil tank and link to each other return line
Road identity distance outside joining oil tank is joined tank bottom
550～650mmThe place stretches into joins in the oil tank; Join the pipeline that is communicated with between also being provided with between the entrance and exit of oily vaporization and condensation water cooler;
In addition, also be provided with a bypass on the described return line, be the product transport pipe, this product transport pipe links to each other with the products pot of oil fuel;
For delivery of the pipeline of raw material mid-temperature pitch with join oil tank and link to each other.
2. the oil product preparation production equipment of a kind of coal tar processing process as claimed in claim 1 is characterized in that:
The opening for feed place on the top in the described hydrocarbon entrapment device is provided with the carbolineum divider;
The space of the bottom of the carbolineum divider in the hydrocarbon entrapment device, be provided with successively 5～10 layers of ripple tray from top to bottom, each tray spacing is 500mm, and first ripple tray below the top-down carbolineum divider and the spacing of carbolineum divider are 800mm.
3. the oil product preparation production equipment of a kind of coal tar processing process as claimed in claim 2 is characterized in that: the feed distributor that described carbolineum divider adopts chemical tower to use;
Described ripple tray pattern is the ripple tray that chemical tower uses.
4. the oil product preparation production equipment of a kind of coal tar processing process as claimed in claim 1 or 2 is characterized in that:
Horizontal loops was put after described return line extend into and joins the inner bending of oil tank, the return line that horizontal loops is put, shut the termination of pipe, below the pipe of the return line of putting in horizontal loops or side-lower equidistantly open 10 irregular circular holes, its aperture is 0.32 of return line caliber, r/R=0.32.
5. production technique of utilizing device as claimed in claim 4 to carry out oil product preparation is characterized in that may further comprise the steps:
Mid-temperature pitch and carbolineum entered continuously join oil tank;
Carbolineum at first passes through the shell side of the oil-gas condenser of joining oil tank top, enters hydrocarbon entrapment device top again, makes carbolineum enter oil gas condensation water cooler tube side from top to bottom at this by the carbolineum divider, enters and joins oil tank;
It is 150～250 ℃ that the interior temperature of oil tank is joined in control, and joining tank pressure is 0.03～0.5MPa;
Joining mid-temperature pitch and carbolineum utilization in the oil tank joins oily transferpump, joins oily vaporization and condensation water cooler and return line carries out the oil product circulation, mid-temperature pitch and carbolineum are fully mixed, form needed oil fuel, treat that liquid level reach a certain height, open again the product line of pipes, product oil is delivered to the products pot of oil fuel;
Hydrocarbon entrapment device top expellant gas cools off through gaseous effluent cooler, the micro oil that contains in the gas is cooled again, the oil that condenses returns joins oil tank or delivers to the tar stock tank, and cooled waste gas is through removing the exhaust washing column, enters atmosphere after cleaning with washing oil.
6. production technique of carrying out oil product preparation as claimed in claim 5 is characterized in that it is 180 ℃ that the interior temperature of oil tank is joined in control, and joining tank pressure is 0.05MPa.
7. production technique of carrying out oil product preparation as claimed in claim 6, it is characterized in that it is mid-temperature pitch that mid-temperature pitch and carbolineum are entered that the ratio of joining oil tank calculates by volume: carbolineum is 1:0.4～1.2, and mid-temperature pitch and carbolineum flow velocity are 0.5～1.5m/s.
8. such as claim 6 or 7 described production technique of carrying out oil product preparation, it is characterized in that it is mid-temperature pitch that mid-temperature pitch and carbolineum enter that the ratio of joining oil tank calculates by volume: carbolineum is 1:1 or 1:0.5; The mid-temperature pitch flow velocity is 0.6m/s, and the carbolineum flow velocity is 1.1m/s.
9. production technique of carrying out oil product preparation as claimed in claim 8 is characterized in that the cooled gas temperature of control is 60 ℃ in the gaseous effluent cooler process of cooling.
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| CN110947311B (en) * | 2019-12-23 | 2024-01-19 | 中冶焦耐(大连)工程技术有限公司 | Oil product mixing device and process in needle coke production process |
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| CN2075219U (en) * | 1990-08-20 | 1991-04-17 | 李培元 | Mixing decice for distributing oil of asphalt |
| DE4019303A1 (en) * | 1989-12-11 | 1991-06-13 | Ruetgerswerke Ag | Carbon intermediate recovery from prepn. of bituminous coal tar - by sepg. tars contg. quinoline insolubles, and distilling |
| CN201915067U (en) * | 2010-12-13 | 2011-08-03 | 上海应用技术学院 | Oil product preparation and production device in coal tar processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5835236B2 (en) * | 1975-11-19 | 1983-08-01 | 新日鐵化学株式会社 | Coal tar Pituchinoseizouhou |
-
2010
- 2010-12-13 CN CN 201010584045 patent/CN102002379B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4019303A1 (en) * | 1989-12-11 | 1991-06-13 | Ruetgerswerke Ag | Carbon intermediate recovery from prepn. of bituminous coal tar - by sepg. tars contg. quinoline insolubles, and distilling |
| CN2075219U (en) * | 1990-08-20 | 1991-04-17 | 李培元 | Mixing decice for distributing oil of asphalt |
| CN201915067U (en) * | 2010-12-13 | 2011-08-03 | 上海应用技术学院 | Oil product preparation and production device in coal tar processing |
Non-Patent Citations (1)
| Title |
|---|
| JP特开昭52-62329 1977.05.23 |
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| CN102002379A (en) | 2011-04-06 |
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