CN113667327A - Production method of carbon black - Google Patents
Production method of carbon black Download PDFInfo
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- CN113667327A CN113667327A CN202111090103.8A CN202111090103A CN113667327A CN 113667327 A CN113667327 A CN 113667327A CN 202111090103 A CN202111090103 A CN 202111090103A CN 113667327 A CN113667327 A CN 113667327A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
- C09C1/50—Furnace black ; Preparation thereof
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Abstract
The invention discloses a production method of carbon black. The method of the invention comprises the following steps: the distillate quantity before 360 ℃ is not less than 33 v/v% and the density is 1.21-1.22g/cm for raw oil3Preheating to 200-220 ℃, and radially spraying into a throat pipe section of the reaction furnace; the ratio of air to fuel gas is 3.5:1, and the temperature of a combustion chamber is more than 1700 ℃; carrying out high-temperature pyrolysis to produce carbon black flue gas, quenching, terminating the reaction, cooling, collecting, crushing and warehousing; wherein, the insertion depth and the gun head diameter of the crude oil gun are uniformly standardized and uniformly arranged, and all additives are uniformly mixed and uniformly atomized; the air intake mode of the air uniform distributor in the reaction furnace is changed into radial cut-in air intake. The method can produce the carbon black with higher tinting strength and optimize the quality of the carbon black.
Description
Technical Field
The invention relates to a production technology of carbon black, in particular to a production method of carbon black.
Background
Carbon black color strength is generally measured in terms of reflectance of a slurry of carbon black and zinc oxide in an oil, and is primarily a measure of the ability of carbon black to reduce the amount of reflected light, generally speaking, the smaller the primary particle size of the carbon black, the higher the color strength.
With the development of the market, the requirement on the color strength of the hard carbon black N330 is higher and higher. However, the tinctorial strength of N330 in the market is generally in the lower limit range, and cannot meet the market requirements.
In order to solve the above technical problems, the present invention proposes a method for producing carbon black.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a production method of carbon black, which can produce carbon black with higher tinting strength and optimize the quality of the carbon black.
In order to achieve the above purpose, the invention provides the following technical scheme:
a method for producing carbon black comprising the method steps of:
(1) the distillate quantity before 360 ℃ is not less than 33 v/v% and the density is 1.21-1.22g/cm for raw oil3Preheating to 200-220 ℃, and radially spraying into a throat pipe section of the reaction furnace; the ratio of air to fuel gas is 3.5:1, and the temperature of a combustion chamber is more than 1700 ℃;
(2) the carbon black flue gas is produced by pyrolysis, quenched, stopped to react, cooled, collected, crushed and warehoused.
Preferably, the insertion depth and the gun head diameter of the crude oil gun are standardized uniformly and arranged uniformly, and all the additives are mixed uniformly and atomized uniformly.
Preferably, the air inlet mode of the air uniform distributor in the reaction furnace is changed into radial cutting-in air inlet.
Specifically, (1) according to the original design combustion theory model, the actual production process adopts 5.5:1 (air: 13000 Nm)3H, coal gas: 2360Nm3The air-gas ratio of/h), according to the combustion condition of the reaction furnace, the temperature of the combustion chamber can reach about 1400 ℃, the temperature is lower, the air excess coefficient is larger, on the premise of improving the fuel gas, the air quantity is reduced, the air-gas ratio is adjusted to 3.5:1, after the implementation, the temperature of the combustion section is increased, the reaction temperature is improved, the temperature of the combustion chamber reaches over 1700 ℃, and the normal production requirement is met;
(2) the quality of the crude oil is ensured to be qualified by optimizing a crude oil mixing and conveying system:
the source treatment is carried out, each key index of the raw oil is determined, the distillate quantity of the carbon black raw oil before 360 ℃ is generally more than or equal to 33 v/v%, and the density is generally controlled to be 1.21-1.22g/cm3(ii) a The blending and the specified dehydration of the crude oil are comprehensively optimizedTime, optimizing a conveying program, improving the preheating temperature, and comprehensively reducing the influence of ash and moisture in the crude oil on the production process; the crude oil preheating temperature and the crude oil pressure are increased by 10-20%, the raw oil atomization effect is optimized, and the particle size distribution state is improved;
(3) fine management, the insertion depth and the diameter of the gun head of the crude oil gun are determined, and unified adjustment is achieved:
the insertion depth and the size of the oil gun at the throat section are unified and standardized, and uniform arrangement is achieved; the blending of the additive is enhanced, the uniform mixing is ensured, and the uniform atomization is realized when the mixture is fed into a furnace;
(4) replacing the air uniform distributor: the vertical air inlet mode of the original Venturi air uniform distributor is changed into radial cut-in air inlet, so that the air resistance in the furnace is reduced, and the pressure in the furnace is reduced; inspecting and optimizing a gas system; the gas flowmeter and the check valve are checked, and the accuracy of gas supply is ensured.
Specifically, from data, the carbon black produced by the method has the color intensity improved from 77-80% to 96-101%.
The invention has the beneficial effects that:
by adopting the scheme, the carbon black with higher tinting strength can be produced, the quality of the carbon black is optimized, and the product grade of the carbon black is improved, so that the economic benefit is increased, the sales market is widened, and the method is suitable for high-end users.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
a method for producing carbon black comprising the method steps of:
(1) the distillate quantity before 360 ℃ of the raw oil is more than or equal to 33v/v percent and the density is 1.21g/cm3Preheating to 220 ℃, and then radially spraying into a throat pipe section of the reaction furnace; the ratio of air to fuel gas is 3.5:1, and the temperature of a combustion chamber is more than 1700 ℃;
(2) carrying out high-temperature pyrolysis to produce carbon black flue gas, quenching, terminating the reaction, cooling, collecting, crushing and warehousing;
(3) wherein, the insertion depth and the gun head diameter of the crude oil gun are uniformly standardized and uniformly arranged, and all additives are uniformly mixed and uniformly atomized;
(4) wherein, the air inlet mode of the air uniform distributor in the reaction furnace is changed into radial cutting-in air inlet.
Example 2:
a method for producing carbon black comprising the method steps of:
(1) the distillate quantity before 360 ℃ of the raw oil is more than or equal to 33v/v percent and the density is 1.22g/cm3Preheating to 220 ℃, and then radially spraying into a throat pipe section of the reaction furnace; the ratio of air to fuel gas is 3.5:1, and the temperature of a combustion chamber is more than 1700 ℃;
(2) carrying out high-temperature pyrolysis to produce carbon black flue gas, quenching, terminating the reaction, cooling, collecting, crushing and warehousing;
(3) wherein, the insertion depth and the gun head diameter of the crude oil gun are uniformly standardized and uniformly arranged, and all additives are uniformly mixed and uniformly atomized;
(4) wherein, the air inlet mode of the air uniform distributor in the reaction furnace is changed into radial cutting-in air inlet.
Example 3:
a method for producing carbon black comprising the method steps of:
(1) the distillate quantity before 360 ℃ of the raw oil is more than or equal to 33v/v percent and the density is 1.22g/cm3Preheating to 200 ℃, and then radially spraying into a throat pipe section of the reaction furnace; the ratio of air to fuel gas is 3.5:1, and the temperature of a combustion chamber is more than 1700 ℃;
(2) carrying out high-temperature pyrolysis to produce carbon black flue gas, quenching, terminating the reaction, cooling, collecting, crushing and warehousing;
(3) wherein, the insertion depth and the gun head diameter of the crude oil gun are uniformly standardized and uniformly arranged, and all additives are uniformly mixed and uniformly atomized;
(4) wherein, the air inlet mode of the air uniform distributor in the reaction furnace is changed into radial cutting-in air inlet.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A method for producing carbon black, characterized in that: the method comprises the following steps:
(1) the distillate quantity before 360 ℃ is not less than 33 v/v% and the density is 1.21-1.22g/cm for raw oil3Preheating to 200-220 ℃, and radially spraying into a throat pipe section of the reaction furnace; the ratio of air to fuel gas is 3.5:1, and the temperature of a combustion chamber is more than 1700 ℃;
(2) the carbon black flue gas is produced by pyrolysis, quenched, stopped to react, cooled, collected, crushed and warehoused.
2. The method for producing carbon black according to claim 1, characterized in that: wherein, the depth of insertion and the rifle head diameter of standardizing the crude oil rifle in unison are evenly arranged, and each additive misce bene is evenly atomized.
3. The method for producing carbon black according to claim 1, characterized in that: wherein, the air inlet mode of the air uniform distributor in the reaction furnace is changed into radial cutting-in air inlet.
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| CN202111090103.8A CN113667327A (en) | 2021-09-17 | 2021-09-17 | Production method of carbon black |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106499A (en) * | 1986-09-15 | 1987-04-22 | 化学工业部炭黑工业研究设计所 | Produce the method and apparatus of soft carbon |
| CN102181178A (en) * | 2011-03-01 | 2011-09-14 | 乌海黑猫炭黑有限责任公司 | 40-thousand-ton hard carbon black reaction furnace and production process of carbon black |
| CN203333554U (en) * | 2013-02-06 | 2013-12-11 | 青州市博奥炭黑有限责任公司 | Multi-throat carbon black reaction furnace |
| 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 |
| CN106084898A (en) * | 2016-06-21 | 2016-11-09 | 朝阳黑猫伍兴岐炭黑有限责任公司 | A kind of white carbon black reaction unit |
| CN109054460A (en) * | 2018-09-26 | 2018-12-21 | 乌海黑猫炭黑有限责任公司 | A kind of New Rigid black reactor |
| CN109054459A (en) * | 2018-08-08 | 2018-12-21 | 山东联科新材料有限公司 | A kind of production method of cable inner shield material carbon black |
| CN208732993U (en) * | 2018-06-25 | 2019-04-12 | 龙星化工股份有限公司 | A kind of reacting furnace of the suitable higher CDBP carbon black of production |
| CN110511599A (en) * | 2019-09-04 | 2019-11-29 | 山西三强新能源科技有限公司 | Hard (carbon) black reacting furnace |
| CN210683654U (en) * | 2019-09-27 | 2020-06-05 | 张海达 | Furnace method pigment carbon black reactor |
-
2021
- 2021-09-17 CN CN202111090103.8A patent/CN113667327A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106499A (en) * | 1986-09-15 | 1987-04-22 | 化学工业部炭黑工业研究设计所 | Produce the method and apparatus of soft carbon |
| CN102181178A (en) * | 2011-03-01 | 2011-09-14 | 乌海黑猫炭黑有限责任公司 | 40-thousand-ton hard carbon black reaction furnace and production process of carbon black |
| CN203333554U (en) * | 2013-02-06 | 2013-12-11 | 青州市博奥炭黑有限责任公司 | Multi-throat carbon black reaction furnace |
| 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 |
| CN106084898A (en) * | 2016-06-21 | 2016-11-09 | 朝阳黑猫伍兴岐炭黑有限责任公司 | A kind of white carbon black reaction unit |
| CN208732993U (en) * | 2018-06-25 | 2019-04-12 | 龙星化工股份有限公司 | A kind of reacting furnace of the suitable higher CDBP carbon black of production |
| CN109054459A (en) * | 2018-08-08 | 2018-12-21 | 山东联科新材料有限公司 | A kind of production method of cable inner shield material carbon black |
| CN109054460A (en) * | 2018-09-26 | 2018-12-21 | 乌海黑猫炭黑有限责任公司 | A kind of New Rigid black reactor |
| CN110511599A (en) * | 2019-09-04 | 2019-11-29 | 山西三强新能源科技有限公司 | Hard (carbon) black reacting furnace |
| CN210683654U (en) * | 2019-09-27 | 2020-06-05 | 张海达 | Furnace method pigment carbon black reactor |
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