CN103952015B - Carbon black products and production technique thereof - Google Patents
Carbon black products and production technique thereof Download PDFInfo
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- CN103952015B CN103952015B CN201410145140.8A CN201410145140A CN103952015B CN 103952015 B CN103952015 B CN 103952015B CN 201410145140 A CN201410145140 A CN 201410145140A CN 103952015 B CN103952015 B CN 103952015B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a kind of carbon black products and production technique thereof, be specifically related to a kind of efficient suction controlled carbon black products of iodine and production technique thereof.Carbon black products is made up of stock oil and a year combustion gas, and described stock oil is carbolineum, and carrying a combustion gas is coke-oven gas, and stock oil with the weight proportion carrying combustion gas is: 360 ~ 400:140 ~ 240; Its production technique belongs to the mixed gas slotless manufacturing technologies of carbon black in contact process, and the product of this explained hereafter is colour carbon black, has that degree of mobilization is high, blackness is high, strong coloring force and a good feature of glossiness.
Description
Technical field
The present invention relates to a kind of carbon black products and production technique thereof, be specifically related to a kind of efficient suction controlled carbon black products of iodine and production technique thereof.
Background technology
Carbon black is the general name of the carbon black products comprising all kinds of purposes, and its definition is: carbon black is the black powder being obtained polymolecularity by hydro carbons (hydrocarbon polymer of liquid, solid, gas) cracking and incomplete combustion, and it is mainly made up of carbon.Manufacturing technologies of carbon black has Audit For Process and the large class of contact process two, different production technique is had again in every class, this multiple production technique shape of depositing cash causes carbon black quality uneven, production efficiency also differs greatly, and particularly realizes carbon black products iodine absorption value desired value Controlling Technology very immature in contact process production process.
Summary of the invention
The object of this invention is to provide a kind of efficient suction controlled carbon black products of iodine and production technique thereof, this production technique belongs to the mixed gas slotless manufacturing technologies of carbon black in contact process, this production technique according to carbon black quality achieve fire tube height and burner aperture quick-replaceable, greatly improve its efficiency, also achieve the controlled of iodine absorption value simultaneously.The product of this explained hereafter is colour carbon black, has that degree of mobilization is high, blackness is high, strong coloring force and a good feature of glossiness.
Carbon black products provided by the invention is colour carbon black, comprises C611, C311, C111 series carbon black.The raw material of described carbon black products comprises: stock oil and year combustion gas, and described stock oil with the weight proportion carrying combustion gas is: 360 ~ 400:140 ~ 240; Stock oil is carbolineum, and carrying combustion gas is coke-oven gas.
Further, the moisture of described stock oil is less than 4%, and density is 1.13 ~ 1.16g/mL, described coke-oven gas low heat value>=16500kJ/m3, H
2s≤300mg/m3, NH
3≤ 100mg/m3, naphthalene≤500mg/m3, tar≤50mg/m3, density is 0.45 ~ 0.50kg/m
3.
Manufacturing technologies of carbon black provided by the invention, comprises the following steps:
(1) air is by the mode of natural air inlet, and enter fiery room by fiery room two bottom sides adjustable scoop, this air inlet mode does not need additional Fan Energy-saving, and the aperture adjustment of fluorescent tube height and burner is convenient;
(2) stock oil squeezes into carbolineum preheating can by oil pump, enters still preheater preheating by carbolineum test tank dosing, and preheating temperature controls, at 160 DEG C ~ 200 DEG C, then to enter gasification still;
(3) in gasification still stock oil gasification with carry a combustion gas mixing, the temperature of mixing controls at 300 DEG C ~ 340 DEG C, and pressure-controlling, at 2000 DEG C ~ 2800Pa, then enters the fluorescent tube in fiery room, carries out incomplete combustion by the fluorescent tube that arranges in length and breadth and burner above;
Combustion gas in described year, before entering gasification still, is first rounded by gas pipeline, is taken full advantage of fiery room waste heat and heat in fiery room, and the temperature of carrying combustion gas controls at 450 DEG C ~ 550 DEG C, and pressure-controlling is at 2000 ~ 2800Pa.
(4) the high-temperature product flue gas produced after reaction first with carry combustion gas heat exchange after, enter the total pipeline be centered around outside fiery room and carry out air-cooled heat exchange, make the temperature of product flue gas be down to less than 300 DEG C;
(5) product flue gas enters air conveying wind system through cyclonic separator, bag filter temperature after being down to 180 DEG C ~ 200 DEG C, sends into granulator granulation by air conveying blower fan, makes carbon black products packaging warehouse-in after granulation after lift, sieve apparatus;
(6) tail gas in bag filter is outer row after purification;
(7) pitch in the carbolineum accumulated bottom gasification still delivers to asphalt tank through bitumenpump, and in asphalt tank, the lhv gas of hard pitch volatilization reclaims after pitch washing tower.This step has not only reclaimed pitch and has also reduced pollution to environment, and both had an economic benefit environmental benefit good in addition.
In such scheme, the fluorescent tube in described fiery room, for arrange in length and breadth, is provided with 110 ~ 200, and fluorescent tube is 1 ~ 3 meter apart from the distance bottom fiery room, and fluorescent tube is provided with burner, and the aperture of burner is 0.3 ~ 3mm.
Further, 20 ~ 200 mesh sieves selected by described sieve apparatus.
This production technique of change according to market can regulate product performance by the mode of quick adjustment burner, and particularly fiery room height and technical arrangement plan can control the iodine absorption value of product carbon black.
The present invention take carbolineum as stock oil, with coke-oven gas for carrying combustion gas, adopt the proportioning of rational carbolineum and coke-oven gas, be adjustable fire tube by changing traditional fixing fire tube height, fixing burner aperture is can regulating burning nozzle aperture, not only increase the efficiency of production, and also achieve the controlled of carbon black iodine absorption number.The colour carbon black particle diameter that the present invention produces is medium, size distribution is narrower, the active function groups on its surface is higher, carbon black is after tablets press, the serial carbon black products such as obtained C611, therefore this production technique efficiency is high, production technique can be regulated as required to obtain the colour carbon black of different iodine absorption value, and it is high that this product has degree of mobilization, blackness is high, strong coloring force and the good feature of glossiness, and raw material is easily purchased, production cost is low, large scale investment is produced, the preheating of heat-carrying gas adopts fiery room pre-heating technique to be a conservation measures, in production process, burner is changed the product succinctly can producing different quality and is had good economic benefit.
The C611 series carbon black that production technique of the present invention is produced is mainly used in the industries such as ink product, plastics and papermaking; C311 carbon black is mainly used in the industry such as plastics of coating, leatherware, ink, high-quality, has splendid uvioresistant, antioxidant property in polyolefin master batch; C111 carbon black is mainly used in aterrimus coating, the toning of high-grade plastics machine synthon, the industries such as disc, aterrimus goods.
Accompanying drawing explanation
Fig. 1 is mixed gas slotless manufacturing technologies of carbon black schema of the present invention.
In figure, 1 is carbolineum storage tank; 2 is preheating can; 3 is oil pump; 4 is carbolineum test tank; 5 is still preheater; 6 is gasification still; 7 is coke-oven coal gas tank; 8 is fiery room; 9 is suction fan; 10 is cyclonic separator; 11 is bag filter; 12 is air conveying blower fan; 13 is tablets press; 14 is lift; 15 is carbon black storage tank; 16 is wrapping machine; 17 is bitumenpump; 18 is asphalt tank; 19 is blower fan; 20 is pitch washing tower.
Embodiment
Further illustrate the present invention below by embodiment, but be not limited to following examples.
Embodiment 1: preparation C611 series carbon black products
First composition graphs 1 illustrates technical process of the present invention:
(1) stock oil coming from carbolineum storage tank 1 squeezes into carbolineum preheating can 2 by oil pump 3, enters still preheater 5 preheating by carbolineum test tank 4 dosing, and preheating temperature controls at 160 DEG C ~ 200 DEG C, then enters gasification still 6;
(2) what come from coke-oven coal gas tank 7 carried combustion gas before entering gasification still 6, first rounded in fiery room 8 by gas pipeline, take full advantage of fiery room waste heat to heat, the temperature of carrying combustion gas controls at 450 DEG C ~ 550 DEG C, and pressure-controlling is at 2000 ~ 2800Pa.
(3) stock oil gasification and a year combustion gas mixing in gasification still 6, the temperature of mixing controls at 300 DEG C ~ 340 DEG C, pressure-controlling, at 2000 DEG C ~ 2800Pa, then enters the fluorescent tube in fiery room 8, carries out incomplete combustion by more than 140 fluorescent tube by arranging in length and breadth and burner above.
Air, by the mode of natural air inlet, enters fiery room by fiery room two bottom sides adjustable ventilation door, and this air inlet mode does not need additional Fan Energy-saving outer and easy to adjust, only need adjust the air door bottom fiery room.
(4) the high-temperature product flue gas produced after reaction first with carry combustion gas heat exchange after, enter the total pipeline be centered around outside fiery room 8 and carry out air-cooled heat exchange, make the temperature of product flue gas be down to less than 300 DEG C.
(5) product flue gas enters air conveying wind system through cyclonic separator 10, bag filter 11 temperature after being down to 180 DEG C ~ 200 DEG C; send into tablets press 13 granulation by air conveying blower fan 12, after lift 14, carbon black storage tank 15, wrapping machine 16, after granulation, make carbon black products packaging warehouse-in.
(6) tail gas in bag filter 11 is outer row after purification.
(7) pitch in the carbolineum accumulated bottom gasification still 6 delivers to asphalt tank 18 through bitumenpump 17, in asphalt tank 18, the lhv gas of hard pitch volatilization reclaims after pitch washing tower 20, not only reclaimed pitch and also reduced pollution to environment, both had an economic benefit environmental benefit in addition.
The present embodiment adopts the reaction unit shown in Fig. 1 and above-mentioned reaction principle to prepare C611 series carbon black products, comprises the following steps:
(1) air is by the mode of natural air inlet, enters fiery room by fiery room two bottom sides adjustable ventilation door, and this air inlet mode does not need additional Fan Energy-saving outer and easy to adjust, only need adjust the air door bottom fiery room;
(2) 360kg/h stock oil squeezes into carbolineum preheating can by oil pump, enters still preheater preheating by test tank dosing mode, and preheating temperature controls, at 160 DEG C, then to enter gasification still,
(3) 140kg/h is carried combustion gas and is rounded in fiery room by its pipeline and take full advantage of fiery room waste heat and heat, and the temperature of carrying combustion gas controls at 450 DEG C, and pressure-controlling is at 1800Pa.
(4) in gasification still stock oil gasification with carry a combustion gas mixing, the temperature of mixing controls at 300 DEG C, and pressure-controlling, at 2000Pa, then enters the fluorescent tube in fiery room, heighten fluorescent tube height for bottom fiery room 2.0 meters and burner diameter be 2mm;
Described stock oil is carbolineum, and carrying combustion gas is coke-oven gas; The moisture of described stock oil is less than 4%, and density is 1.13g/mL, described coke-oven gas low heat value>=16500kJ/m3, H
2s≤300mg/m3, NH
3≤ 100mg/m3, naphthalene≤500mg/m3, tar≤50mg/m3, density is 0.451kg/m
3.Carbolineum consumption is 360kg per hour, and coke-oven gas consumption is 310m3 per hour.
(5) the high-temperature product flue gas produced after reaction first with carry combustion gas heat exchange after, enter the total pipeline be centered around outside fiery room and carry out air-cooled heat exchange, make the temperature of product flue gas be down to less than 300 DEG C.
(6) product flue gas enters air conveying wind system through cyclonic separator, bag filter temperature after being down to 180 DEG C; make a gift to someone into granulator granulation by air conveying blower fan, after chapelet, 150 mesh sieves, after granulation, make C611 series carbon black packing of product warehouse-in.
(7) tail gas in the bag filter described in is outer row after purification.
The C611 series test index of carbon black products that production technique of the present invention is produced and reference standard as follows:
| Project | Test value | Reference value (GB/T7044-2003) |
| Blackness (reflectivity) | ≤44 | ≤44 |
| Tinting strength % | 114 | ≥106 |
| DBP absorption value (mL/g) | 1.02 | ≤1. 2 |
| Weight loss on heating (massfraction) % | 0.9 | ≤4.0 |
| Fugitive constituent (massfraction) % | 6.0 | ≥3.0 |
| Ash content (massfraction) % | 0.01 | ≤0.2 |
| Degree of mobilization 35 DEG C | 24 | ≥23 |
| pH | 3.1 | 2~6 |
| Bi Biao Mian Ji ㎡/g | 196 | 80~120 |
The C611 series carbon black that production technique of the present invention is produced is mainly used in the industries such as ink product, plastics and papermaking.
Embodiment 2: preparation C311 series carbon black products
The present embodiment adopts the reaction unit shown in Fig. 1 and above-mentioned reaction principle to prepare C311 series carbon black products, comprises the following steps:
(1) air is by the mode of natural air inlet, enters fiery room by fiery room two bottom sides adjustable ventilation door, and this air inlet mode does not need additional Fan Energy-saving outer and easy to adjust, only need adjust the air door bottom fiery room;
(2) 380kg/h stock oil squeezes into carbolineum preheating can by oil pump, enters still preheater preheating by section dosing mode preset time, and preheating temperature controls, at 180 DEG C, then to enter gasification still,
(3) 200kg/h is carried combustion gas and is rounded in fiery room by its pipeline and take full advantage of fiery room waste heat and heat, and the temperature of carrying combustion gas controls at 520 DEG C, and pressure-controlling is at 2400Pa.
(4) in gasification still stock oil gasification with carry a combustion gas mixing, the temperature of mixing controls at 320 DEG C, and pressure-controlling, at 2100Pa, then enters the fluorescent tube in fiery room, heighten fluorescent tube height for bottom fiery room 1.0 meters and burner diameter be 1.6mm;
Described stock oil is carbolineum, and carrying combustion gas is coke-oven gas; The moisture of described stock oil is less than 4%, and density is 1.13g/mL, described coke-oven gas low heat value>=16500kJ/m3, H
2s≤300mg/m3, NH
3≤ 100mg/m3, naphthalene≤500mg/m3, tar≤50mg/m3, density is 0.451kg/m
3.Carbolineum consumption is 380kg per hour, and coke-oven gas consumption is 443m3 per hour.
(5) the high-temperature product flue gas produced after reaction first with carry combustion gas heat exchange after, enter the total pipeline be centered around outside fiery room and carry out air-cooled heat exchange, make the temperature of product flue gas be down to less than 300 DEG C.
(6) product flue gas enters air conveying wind system through cyclonic separator, bag filter temperature after being down to 190 DEG C; make a gift to someone into granulator granulation by air conveying blower fan, after chapelet, 180 mesh sieves, after granulation, make C311 series carbon black packing of product warehouse-in.
(7) tail gas in the bag filter described in is outer row after purification.
The C311 series test index of carbon black products that production technique of the present invention is produced and reference standard as follows:
| Project | Test value | Reference value GB/T7044-2003 |
| Blackness (reflectivity) | ≤32 | ≤32 |
| Tinting strength % | 128 | ≥109 |
| DBP absorption value (mL/g) | 1.04 | ≤1.3 |
| Weight loss on heating (massfraction) % | 1.16 | ≤5.0 |
| Fugitive constituent (massfraction) % | 6.7 | ≥3.0 |
| Ash content (massfraction) % | 0.05 | ≤0.2 |
| Degree of mobilization 35 DEG C | 23 | ≥16 |
| pH | 2.5 | 2~6 |
| Bi Biao Mian Ji ㎡/g | 262 | 150~400 |
The C311 series carbon black that production technique of the present invention is produced is mainly used in the industry such as plastics of coating, leatherware, ink, high-quality, has splendid uvioresistant, antioxidant property in polyolefin master batch.
Embodiment 3: preparation C111 series carbon black products
The present embodiment adopts the reaction unit shown in Fig. 1 and above-mentioned reaction principle to prepare C111 series carbon black products, comprises the following steps:
(1) air is by the mode of natural air inlet, enters fiery room by fiery room two bottom sides adjustable ventilation door, and this air inlet mode does not need additional Fan Energy-saving outer and easy to adjust, only need adjust the air door bottom fiery room;
(2) 400kg/h stock oil squeezes into carbolineum preheating can by oil pump, enters still preheater preheating by section dosing mode preset time, and preheating temperature controls, at 200 DEG C, then to enter gasification still,
(3) 240kg/h is carried combustion gas and is rounded in fiery room by its pipeline and take full advantage of fiery room waste heat and heat, and the temperature of carrying combustion gas controls at 550 DEG C, and pressure-controlling is at 2800Pa.
(4) stock oil gasification and a year combustion gas mixing in gasification still, the temperature of mixing controls at 340 DEG C, and pressure-controlling, at 2200Pa, then enters the fluorescent tube in fiery room, and heightening fluorescent tube height is for 1.5m and burner diameter are 1.2mm bottom fiery room;
Described stock oil is carbolineum, and carrying combustion gas is coke-oven gas; The moisture of described stock oil is less than 4%, and density is 1.13g/mL, described coke-oven gas low heat value>=16500kJ/m3, H
2s≤300mg/m3, NH
3≤ 100mg/m3, naphthalene≤500mg/m3, tar≤50mg/m3, density is 0.451kg/m
3.Carbolineum consumption is 400kg per hour, and coke-oven gas consumption is 532m3.
(5) the high-temperature product flue gas produced after reaction first with carry combustion gas heat exchange after, enter the total pipeline be centered around outside fiery room and carry out air-cooled heat exchange, make the temperature of product flue gas be down to less than 300 DEG C.
(6) product flue gas enters air conveying wind system through cyclonic separator, bag filter temperature after being down to 200 DEG C; make a gift to someone into granulator granulation by air conveying blower fan, after chapelet, 200 mesh sieves, after granulation, make C111 series carbon black packing of product warehouse-in.
(7) tail gas in the bag filter described in is outer row after purification.
The C111 series test index of carbon black products that production technique of the present invention is produced and reference standard as follows:
| Project | Test value | Reference value GB/T7044-2003 |
| Blackness (reflectivity) | ≤20 | ≤20 |
| Tinting strength % | 144 | ≥109 |
| DBP absorption value (mL/g) | 1.13 | ≤1.8 |
| Weight loss on heating (massfraction) % | 1.8 | ≤6.0 |
| Fugitive constituent (massfraction) % | 8.2 | ≥3.0 |
| Ash content (massfraction) % | 0.01 | ≤0.5 |
| Degree of mobilization 35 DEG C | 27 | ≥18 |
| pH | 2.1 | 2~6 |
| Bi Biao Mian Ji ㎡/g | 333 | 200~600 |
The C111 series carbon black that production technique of the present invention is produced is mainly used in aterrimus coating, the toning of high-grade plastics machine synthon, the industries such as disc, aterrimus goods.
Claims (3)
1. a production technique for carbon black products, carbon black products is made up of stock oil and a year combustion gas, and described stock oil with the weight proportion carrying combustion gas is: 360 ~ 400:140 ~ 240; Described stock oil is carbolineum, and carrying combustion gas is coke-oven gas; It is characterized in that: comprise the following steps:
(1) air is by the mode of natural air inlet, and enter fiery room by fiery room two bottom sides adjustable scoop, this air inlet mode does not need additional Fan Energy-saving, and the aperture adjustment of fluorescent tube height and burner is convenient;
(2) stock oil squeezes into carbolineum preheating can by oil pump, enters still preheater preheating by carbolineum test tank dosing, and preheating temperature controls, at 160 DEG C ~ 200 DEG C, then to enter gasification still;
(3) in gasification still stock oil gasification with carry a combustion gas mixing, the temperature of mixing controls at 300 DEG C ~ 340 DEG C, and pressure-controlling, at 2000Pa ~ 2800Pa, then enters the fluorescent tube in fiery room, carries out incomplete combustion by the fluorescent tube that arranges in length and breadth and burner above;
Fluorescent tube in described fiery room, for arrange in length and breadth, is provided with 110 ~ 200, and fluorescent tube is 1 ~ 3 meter apart from the distance bottom fiery room, and fluorescent tube is provided with burner, and the aperture of burner is 0.3 ~ 3mm;
(4) the high-temperature product flue gas produced after reaction first with carry combustion gas heat exchange after, enter the total pipeline be centered around outside fiery room and carry out air-cooled heat exchange, make the temperature of product flue gas be down to less than 300 DEG C;
(5) product flue gas enters air conveying wind system through cyclonic separator, bag filter temperature after being down to 180 DEG C ~ 200 DEG C, sends into granulator granulation by air conveying blower fan, makes carbon black products packaging warehouse-in after granulation after lift, sieve apparatus;
(6) tail gas in bag filter is outer row after purification;
(7) pitch in the carbolineum accumulated bottom gasification still delivers to asphalt tank through bitumenpump, and in asphalt tank, the lhv gas of hard pitch volatilization reclaims after pitch washing tower.
2. the production technique of carbon black products according to claim 1, it is characterized in that: combustion gas in described year is before entering gasification still, first rounded in fiery room by gas pipeline, take full advantage of fiery room waste heat to heat, the temperature of carrying combustion gas controls at 450 DEG C ~ 550 DEG C, and pressure-controlling is at 2000 ~ 2800Pa.
3. the production technique of carbon black products according to claim 1, is characterized in that: 20 ~ 200 mesh sieves selected by described sieve apparatus.
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| CN112011197A (en) * | 2020-08-21 | 2020-12-01 | 山西富立桦特种材料科技有限公司 | Non-groove gas-mixing pigment carbon black with low polycyclic aromatic hydrocarbon content and production method thereof |
| CN112724711A (en) * | 2021-01-11 | 2021-04-30 | 北京化工大学 | Preparation method of high-pigment carbon black |
| CN113698797B (en) * | 2021-09-05 | 2022-06-10 | 山西盛达威科技有限公司 | Vaporization tower for producing carbon black by gas mixing |
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