CN101270234B - Method of preparing soft hydrocarbon black - Google Patents

Method of preparing soft hydrocarbon black Download PDF

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Publication number
CN101270234B
CN101270234B CN2008100158166A CN200810015816A CN101270234B CN 101270234 B CN101270234 B CN 101270234B CN 2008100158166 A CN2008100158166 A CN 2008100158166A CN 200810015816 A CN200810015816 A CN 200810015816A CN 101270234 B CN101270234 B CN 101270234B
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China
Prior art keywords
carbon black
production
tail gas
percent
soft carbon
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Expired - Fee Related
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CN2008100158166A
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CN101270234A (en
Inventor
李学波
郭玉亮
黄敬彬
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QINGZHOU CITY BOAO CARBON BLACK CO Ltd
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QINGZHOU CITY BOAO CARBON BLACK CO Ltd
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Abstract

The invention discloses a preparation method of soft carbon black, which is characterized in that dehumidified exhaust gas produced in carbon black production is fed in a reaction furnace. The method is characterized in that the exhaust gas which is only used for power generation is dehumidified, treated and led into the soft carbon black reaction furnace again to supply necessary heat for soft carbon block production. In this way, the method can reduce the consumption of fuel oil in carbon black production, save 10 percent to 20 percent of production oil, greatly reduce the production cost of the carbon black, reduce 10 percent to 20 percent of emission of carbon dioxide and nitrogen oxide. A secondary air inlet in a reaction zone regulates the variety and the quality of the soft carbon black by automatically controlling the air inflow.

Description

A kind of method of manufacture of soft carbon
Technical field
The invention belongs to the off-colour industry production technical field, definite saying is a kind of method of manufacture of soft carbon.
Background technology
For the sooty working method, be employed in the Reaktionsofen always oil fuel perfect combustion provide heat power can, raw oil is made in Reaktionsofen cracked method.The tail gas that raw oil produces in manufacturing processed contains a large amount of combustiblesubstances, and general way is to utilize tail gas to carry out cogeneration, and cogeneration can also be incorporated the power electrical network into except satisfying self power and electric power needs, to society electric power is provided.But so, though increased the supply of electric power,, also increased the discharging of carbonic acid gas and oxynitride.Inconsistent with the overall policy of current national energy-saving and emission-reduction.The burning of oil fuel has also increased cost of carbon black.For the cleaning production that makes production of carbon black reach energy-saving and cost-reducing, reduce discharging, those skilled in the art have done research in earnest to carbon black process, have proposed goal of the invention of the present invention.
Summary of the invention
Goal of the invention of the present invention is to exist and increase exhaust emissions and energy-saving and cost-reducing restriction in order to overcome present carbon black tail gas cogeneration, and the exhaust emissions problems such as consumption that also further increased raw material, oil fuel put forward simultaneously.
Technical solution of the present invention is achieved in that the method for manufacture of this kind soft carbon, it is characterized in that in Reaktionsofen, feeding the tail gas through dehumidification that produces behind the fuel oil combustion in the carbon black process.
Beneficial technical effects of the present invention is: after handling through dehumidification through the tail gas that will can only be used to generate electricity in the past; Introduce once more in the soft carbon black reaction furnace and essential heat is provided for production of carbon black; Like this; Can practice thrift the consumption that the raw oil when producing carbon black acts as a fuel, oily 10%-12% can economize in raw materials.The secondary air import of conversion zone is through control air input to regulate the kind and the quality of soft carbon automatically.Like N550, N600, the production of N700 series sooty, its advantage is conspicuous.
Description of drawings
Accompanying drawing 1 is a structural profile schematic views of the present invention, and accompanying drawing 2 is the A-A sectional views in the accompanying drawing 1, and accompanying drawing 3 is the B-B sectional views in the accompanying drawing 1, and accompanying drawing 4 is C-C sectional views of accompanying drawing 1.Sequence number in the accompanying drawings is described as: 1, air distributor, 2, the oil gun group, 3, burning zone, 4, the tail gas import, 5, the trunnion section; 6, conversion zone, 7, overfiren air port, 8, quench zone, 9, the cooling hydraulic giant; 10, activation section, 1-1, inlet mouth, 1-2, casing, 1-3 flow deflector.
Embodiment
Embodiment 1, the method for manufacture embodiment of soft carbon.In Reaktionsofen, feed the tail gas that produces in the carbon black process through dehumidification.Specifically the circumference tangential of the tail gas autoreaction stove of process dehumidification is passed into the feeding of the pipeline shown in sequence number [4] in the accompanying drawing 3 in the Reaktionsofen.The narration of concrete technological process is as follows: by the air pressurized blower fan process (combustion-supporting) air pressurized to 70～90KPa is delivered to the air pipe [1-1] of air distributor [1], air is through casing [1-2] and inducer [1-3] formation air swirl.Raw oil passes through the computer automatic control flow by the oil gun group after the preheating of fuel oil preheating device, under steam or pressurized air atomizing, spray into Reaktionsofen burning zone [3].The burning of part raw oil produces high-temperature combustion gas; Its hot kinetic energy offers remainder raw oil and process air in trunnion section [5] intense mixing; Mend through the tangential passage under the effect of secondary air at black reactor conversion zone [6], be cracked into carbon black and flue gas at conversion zone [6].Stablized 10～20 minutes in production of carbon black; Carbon black tail gas is sloughed the portion water steam in the tail gas through moisture eliminator; Boost to 70～90KPa by the tail gas booster fan and send into the tail gas import [4] that is positioned at Reaktionsofen burning zone [3], form combustion gases with process air homophase eddy flow; Tail gas substitutes the part material oil firing, realizes the creative manufacturing technology that carbon black tail gas alternative fuel oil is produced soft carbon.
Following embodiment provides the concrete data of various production of carbon black
Embodiment 2
Figure S2008100158166D00031
Embodiment 3
Figure S2008100158166D00032
Embodiment 4

Claims (2)

1. the method for manufacture of a soft carbon is characterized in that in Reaktionsofen tail gas import [4] through burning zone [3] feeds that the carbon black tail gas that after moisture eliminator is sloughed the portion water steam in the tail gas, boosts to 70～90Kpa by the tail gas booster fan that produces in the carbon black process forms and the combustion gases of process air homophase eddy flow.
2. according to the method for manufacture of the described a kind of soft carbon of claim 1, it is characterized in that black reactor conversion zone [6] through the tangential passage mend into secondary air.
CN2008100158166A 2008-04-25 2008-04-25 Method of preparing soft hydrocarbon black Expired - Fee Related CN101270234B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008100158166A CN101270234B (en) 2008-04-25 2008-04-25 Method of preparing soft hydrocarbon black

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008100158166A CN101270234B (en) 2008-04-25 2008-04-25 Method of preparing soft hydrocarbon black

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CN101270234B true CN101270234B (en) 2012-01-11

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101838480B (en) * 2010-04-30 2012-08-29 曲靖众一精细化工股份有限公司 Method for coproduction of carbon black and high-purity hydrogen by high-temperature pyrolysis of methane
CN102241897B (en) * 2011-04-27 2015-07-15 杨皓 Improved carbon black production process
CN109054461B (en) * 2018-09-26 2023-10-27 济宁黑猫炭黑有限责任公司 4 ten thousand tons/year soft carbon black reacting furnace for producing N774 carbon black
CN109135350B (en) * 2018-10-09 2023-10-27 济宁黑猫炭黑有限责任公司 5 ten thousand tons/year natural gas hard carbon black reacting furnace

Citations (4)

* Cited by examiner, † Cited by third party
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
CN86104576A (en) * 1986-07-03 1988-01-27 化学工业部炭黑工业研究设计所 Produce the sooty method and apparatus
CN2247660Y (en) * 1995-11-23 1997-02-19 鞍山市化工二厂 Apparatus for producing soft carbon black
CN1038293C (en) * 1993-05-28 1998-05-06 艾利森电话股份有限公司 A method for handling calls to a non-registered mobile subscriber in a mobile telephone system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86104576A (en) * 1986-07-03 1988-01-27 化学工业部炭黑工业研究设计所 Produce the sooty method and apparatus
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
CN1014151B (en) * 1986-09-15 1991-10-02 化学工业部炭黑工业研究设计所 Process and equipment for prodn. of soft carbon black
CN1038293C (en) * 1993-05-28 1998-05-06 艾利森电话股份有限公司 A method for handling calls to a non-registered mobile subscriber in a mobile telephone system
CN2247660Y (en) * 1995-11-23 1997-02-19 鞍山市化工二厂 Apparatus for producing soft carbon black

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
尹炜,解宝灵.炉法炭黑生成尾气的净化和利用.山西能源与节能.2003,(2), *
曲波,魏振文.炭黑烟气余热的回收利用.天津化工.2003,17(4),37-61. *

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