CN105968885A - Environmentally friendly carbon black production technology - Google Patents

Environmentally friendly carbon black production technology Download PDF

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Publication number
CN105968885A
CN105968885A CN201610395236.9A CN201610395236A CN105968885A CN 105968885 A CN105968885 A CN 105968885A CN 201610395236 A CN201610395236 A CN 201610395236A CN 105968885 A CN105968885 A CN 105968885A
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China
Prior art keywords
carbon black
production technology
cbo
environmentally friendly
raw oil
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CN201610395236.9A
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CN105968885B (en
Inventor
孙亚光
蒋利萍
徐鑫泉
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HANGZHOU ZHONGCE QINGQUAN INDUSTRIAL Co Ltd
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HANGZHOU ZHONGCE QINGQUAN INDUSTRIAL Co Ltd
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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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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

An environmentally friendly carbon black production technology comprises the following steps that 1, low-density coal tar CBO-01 and ethylene tar CBO-03 are prepared according to the weight ratio of 10:0 or 8:2 or 7:3 to obtain carbon black raw oil; 2, the raw oil is mixed with dual high-temperature rotating airflows of 1800 DEG C at an NTD section from a raw oil gun jet nozzle outlet of a novel reacting furnace to the end face of a choke; 3, a QTD section, namely, the distance between the end face of the choke and a primary rapid cooling water gun, is extended, and oxidative decomposition of polycyclic aromatic hydrocarbon (PAHS) left in the mixture is ensured; 4, carbon black smoke is collected and separated by a main bag filter, separated exhaust gas is used for heating of an exhaust gas furnace and power generation of a boiler, and carbon black is granulated and dried and then is stored. The environmentally friendly carbon black production technology can not only thoroughly reduce the carbon black PAHS content, and can also avoid the shortcoming of carbon black surface property changes brought by a common environmentally friendly carbon black aftertreatment measure.

Description

Environment-friendly type white carbon black production Technology
Technical field
The present invention relates to production of carbon black field, specifically produce the environmentally-friecarbon carbon black technology of extremely low content polycyclic aromatic hydrocarbon PAHS.
Background technology
Containing a certain amount of polycyclic aromatic hydrocarbon PAHS material in conventional carbon black product, considerable part is wherein had to have carcinogenecity, Such as benzo[α, benzo α anthracene etc., the most common environmental protection class white carbon black end product is extremely difficult to long term human contact class Material is for the requirement (18 sum content ＜ 10ppm) of polycyclic aromatic hydrocarbon PAHS.
Summary of the invention
The present invention provides and directly controls the environment-friendly type charcoal that polycyclic aromatic hydrocarbon PAHS generates and remains in the reaction of a kind of soot formation Black production Technology.
The present invention is achieved by the following technical solution: a kind of environment-friendly type white carbon black production Technology, its feature exists In comprising the following steps:
1) low-density coal tar CBO-01 and ethylene bottom oil CBO-03 is selected to carry out with the ratio of weight ratio 10:0 or 8:2 or 7:3 Proportioning is as carbon black raw oil；
2) raw oil at the raw material oil gun outlet spout of novel reaction stove to distance i.e. NTD section and 1800 DEG C of high temperature of trunnion end face Rotate double air-flow mixing, add molecular collision frequency, make aromatic hydrocarbons mixture fully be cracked into charcoal nucleus；
3) the trunnion end face distance i.e. QTD section to a chilling hydraulic giant is extended, it is ensured that the polycyclic aromatic hydrocarbon PAHS of residual in mixture Oxidation Decomposition；
4) carbon black smoke is collected through main bag hose and is separated, and isolated tail gas is for tail gas furnace heat supply and boiler generating, charcoal Black storage after granulating and drying.
As preferably, described step 3) QTD length is extended 1.5-6.0m, carbon black smoke flow velocity 15m/s by original 4m, increases Add response time 100-400ms.
As preferably, the coal tar CBO-01 density domination in described step 1) is at 1.150-1.165kg/m3 。
The present invention first passes through formula adjustment in soot formation reacts and reduces unsaturated condensed ring shape carbon-chain structure in raw oil Ratio, because the easy dehydrogenation polycondensation of thick cyclic carbon chain generates polycyclic aromatic hydrocarbon PAHS, its reaction equation following (1):
C4n+2H6n+6→C4m+2H2m+4+H2(1)
Controlling the response time again will attach to the polycyclic aromatic hydrocarbon PAHS material of carbon blacksurface and at high temperature carries out oxidation Decomposition.It is anti- Answer formula following (2):
C4m+2H2m+4+O2→CO2+H2+ CO (2)
Present invention is mainly applied to that soot formation reaction directly controls polycyclic aromatic hydrocarbon PAHS generate and a kind of technique skill of residual Art, can not only more thoroughly reduce white carbon black polycyclic aromatic hydrocarbon PAHS content (＜ 10ppm), and locate after can avoiding common environmentally-friecarbon carbon black The shortcoming of the carbon blacksurface performance change that reason measure brings.
Detailed description of the invention:
Further present disclosure is illustrated below by way of detailed description of the invention.
Producing 30000 tons of carbon black production lines per year uses the present invention to produce environmentally-friecarbon carbon black.
Case study on implementation 1
1) select low-density 100% coal tar CBO-01 as carbon black raw oil；
2) raw oil is in the distance of novel reaction stove NTD(raw material oil gun outlet spout to trunnion end face) section and the rotation of 1800 DEG C of high temperature Turn double air-flow mixing, make aromatic hydrocarbons mixture fully be cracked into charcoal nucleus, then form carbon black aggregate at conversion zone.
3) the QTD(trunnion end face distance to a chilling hydraulic giant is set) segment length 4m, with reverse cooling mode chilling, eventually Only white carbon black reaction.
4) carbon black smoke is collected through main bag hose and is separated, and isolated tail gas generates electricity for tail gas furnace heat supply and boiler, White carbon black stores after granulating and drying.
Case study on implementation 2
1) select low-density coal tar CBO-01 and ethylene bottom oil CBO-03 using 8:2 proportioning as carbon black raw oil；
2) raw oil is in the distance of novel reaction stove NTD(raw material oil gun outlet spout to trunnion end face) section and the rotation of 1800 DEG C of high temperature Turn double air-flow mixing, make aromatic hydrocarbons mixture fully be cracked into charcoal nucleus, then form carbon black aggregate at conversion zone.
3) the QTD(trunnion end face distance to a chilling hydraulic giant is set) segment length 6m, with reverse cooling mode chilling, eventually Only white carbon black reaction.
4) carbon black smoke is collected through main bag hose and is separated, and isolated tail gas generates electricity for tail gas furnace heat supply and boiler, White carbon black stores after granulating and drying.
Case study on implementation 3
1) select low-density coal tar CBO-01 and ethylene bottom oil CBO-03 using 7:3 proportioning as carbon black raw oil；
2) raw oil is in the distance of novel reaction stove NTD(raw material oil gun outlet spout to trunnion end face) section and the rotation of 1800 DEG C of high temperature Turn double air-flow mixing, make aromatic hydrocarbons mixture fully be cracked into charcoal nucleus, then form carbon black aggregate at conversion zone.
3) the QTD(trunnion end face distance to a chilling hydraulic giant is set) segment length 10m, with reverse cooling mode chilling, Terminate white carbon black reaction.
4) carbon black smoke is collected through main bag hose and is separated, and isolated tail gas generates electricity for tail gas furnace heat supply and boiler, White carbon black stores after granulating and drying.
After using the present invention, polycyclic aromatic hydrocarbon PAHs all has decline in various degree, and with formula coal tar CBO-01: second Alkene tar CBO-03=7:3, QTD (distance of trunnion end face to a chilling hydraulic giant) 10 meters be optimal, this result verification this The effectiveness of invention.
Claimed it is not only process technology scheme, also includes the environmentally-friecarbon carbon black product that this type of technique produces.As There is the renewal in this Technology, also should list scope of patent protection in.

Claims (3)

1. an environment-friendly type white carbon black production Technology, it is characterised in that comprise the following steps:
1) low-density coal tar CBO-01 and ethylene bottom oil CBO-03 is selected to carry out with the ratio of weight ratio 10:0 or 8:2 or 7:3 Proportioning is as carbon black raw oil；
2) raw oil at the raw material oil gun outlet spout of novel reaction stove to distance i.e. NTD section and 1800 DEG C of high temperature of trunnion end face Rotate double air-flow mixing, add molecular collision frequency, make aromatic hydrocarbons mixture fully be cracked into charcoal nucleus；
3) the trunnion end face distance i.e. QTD section to a chilling hydraulic giant is extended, it is ensured that the polycyclic aromatic hydrocarbon PAHS of residual in mixture Oxidation Decomposition；
4) carbon black smoke is collected through main bag hose and is separated, and isolated tail gas is for tail gas furnace heat supply and boiler generating, white carbon black Store after granulating and drying.
2. a kind of environment-friendly type white carbon black production Technology as claimed in claim 1, it is characterised in that described step 3) QTD length 1.5-6.0m is extended by original 4m.
3. a kind of environment-friendly type white carbon black production Technology as claimed in claim 1, it is characterised in that the coal in described step 1) Tar CBO-01 density domination is at 1.150-1.165kg/m3 。
CN201610395236.9A 2016-06-07 2016-06-07 Environment-friendly type carbon black production Technology Active CN105968885B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610395236.9A CN105968885B (en) 2016-06-07 2016-06-07 Environment-friendly type carbon black production Technology

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CN201610395236.9A CN105968885B (en) 2016-06-07 2016-06-07 Environment-friendly type carbon black production Technology

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CN105968885A true CN105968885A (en) 2016-09-28
CN105968885B CN105968885B (en) 2018-02-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106380857A (en) * 2016-10-21 2017-02-08 中昊黑元化工研究设计院有限公司 Carbon black-sealant joint production method
CN106752118A (en) * 2016-12-01 2017-05-31 杭州中策清泉实业有限公司 Inner tube of a tyre black carbon special N666 production technologies

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130244160A1 (en) * 2007-04-24 2013-09-19 Cabot Corporation Low structure carbon black and method of making same
CN104672953A (en) * 2015-02-10 2015-06-03 安徽黑钰颜料新材料有限公司 Pigment carbon black reacting furnace with super-long remaining section and pigment carbon black produced by the pigment carbon black reacting furnace
CN104672954A (en) * 2015-02-10 2015-06-03 安徽黑钰颜料新材料有限公司 Production method of furnace carbon black with low polyaromatic hydrocarbon content and pigment carbon black product thereof
CN104725899A (en) * 2015-02-10 2015-06-24 安徽黑钰颜料新材料有限公司 Production method of environment-friendly and safe furnace carbon black and carbon black product

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130244160A1 (en) * 2007-04-24 2013-09-19 Cabot Corporation Low structure carbon black and method of making same
CN104672953A (en) * 2015-02-10 2015-06-03 安徽黑钰颜料新材料有限公司 Pigment carbon black reacting furnace with super-long remaining section and pigment carbon black produced by the pigment carbon black reacting furnace
CN104672954A (en) * 2015-02-10 2015-06-03 安徽黑钰颜料新材料有限公司 Production method of furnace carbon black with low polyaromatic hydrocarbon content and pigment carbon black product thereof
CN104725899A (en) * 2015-02-10 2015-06-24 安徽黑钰颜料新材料有限公司 Production method of environment-friendly and safe furnace carbon black and carbon black product

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106380857A (en) * 2016-10-21 2017-02-08 中昊黑元化工研究设计院有限公司 Carbon black-sealant joint production method
CN106752118A (en) * 2016-12-01 2017-05-31 杭州中策清泉实业有限公司 Inner tube of a tyre black carbon special N666 production technologies
CN106752118B (en) * 2016-12-01 2018-08-21 杭州中策清泉实业有限公司 Inner tube of a tyre black carbon special production technology

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Denomination of invention: Production technology of environment-friendly carbon black

Effective date of registration: 20221103

Granted publication date: 20180216

Pledgee: The Bank of Hangzhou Fuyang branch of the new Limited by Share Ltd.

Pledgor: HANGZHOU ZHONGCE QINGQUAN INDUSTRIAL Co.,Ltd.

Registration number: Y2022980020736

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