CN108795463A - The method that coking production is carried out as part coking raw material using Wooden Biomass - Google Patents
The method that coking production is carried out as part coking raw material using Wooden Biomass Download PDFInfo
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- CN108795463A CN108795463A CN201710295202.7A CN201710295202A CN108795463A CN 108795463 A CN108795463 A CN 108795463A CN 201710295202 A CN201710295202 A CN 201710295202A CN 108795463 A CN108795463 A CN 108795463A
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- coking
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- coal
- wooden biomass
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/04—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/04—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of powdered coal
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of methods carrying out coking production as part coking raw material using Wooden Biomass, include the following steps：(1), stalk is subjected to Mechanical Crushing screening, chooses granularity and is used as sample less than 1mm；(2), the sample of selection is pressed into the block of 10-15mm, block is carbonized under 200-300 DEG C of temperature condition, carbonization time 3-4h；And the block cooling after charing is continued to employ；(3), basic coal is broken into the raw material that granularity is less than 1mm, block after cooling is added and is sufficiently mixed and moisture is added in the mixture, it is 4-6% to keep the moisture of mixture, and the addition of wherein block accounts for the 15-20% of basic coal weight；(4), coking is carried out using step (3) products therefrom as coking raw material.
Description
Technical field
The present invention relates to coal high temperature pyrolysis coking and the technical fields of biomass comprehensive utilization and environmental protection, specifically relate to
And a kind of new method carrying out coking production as part coking raw material using Wooden Biomass.
Background technology
Biomass refers to the various organisms generated by photosynthesis using big gas and water, soil etc., i.e., one cuts with life
The organic substance that can be grown of life is commonly referred to as biomass.It includes plant, animal and microorganism.Under generalized concept, biomass
Including all plants, microorganism and using plant, microorganism as the animal of food and its waste of production.It is representational
Biomass such as crops, agricultural waste material, timber, timber waste and animal wastes.Under narrow sense concept, biomass is mainly
The leftover bits and pieces of the lignocellulosics such as stalk, trees in finger agriculture and forestry production process in addition to grain, fruit, farming industry
The substances such as fowl and animal excrement and waste during material, agriculture and forestry organic waste material and Animal husbandry production.Biomass has recyclability, low
The characteristics of pollution and widely distributed property.Biomass energy is the important component of regenerative resource.Biomass energy is efficiently opened
Hair utilizes, and to solving the energy, ecological environment problem will play very positive effect.Biomass type is various, is respectively provided with not
With feature and attribute, using technical sophistication, various, domestic and international biomass utilization technologies is made a general survey of, are to be converted into solid-state, liquid
State and fuel gas are efficiently utilized, and main path has：
1, Direct-Combustion Technology；Including family cooking stove combustion technology, the mixed firinor fuel burning of boiler combustion technology, biomass and coal
Technology；
2, conversion technology；Such as small-sized domestic methane tank, large and medium-sized anaerobic digestion；
3, thermochemical study technology；Including gasification of biomass, destructive distillation, rapidly pyrolysing and liquefying technology；
4, liquefaction technology；Including refining the technologies such as plant oil tech, ethanol production, methanol；
5, organic waste energy treatment technology.
Wheat, paddy and the corn largely planted for a large amount of farmland and sorghum, although the stalk of these plants
Enormous amount, but some can directly be burnt by original place, and some can be used as the firewood of peasant, cause to the very big of resource
Waste, while certain destruction is also resulted in ecological environment.
Although stalk is applied at many aspects.Such as application No. is 87103594 Chinese patent literatures to propose one
The method that kind produces plank with maize straw, application No. is 88101790 Chinese patent literatures to propose with stalk production hydroxyl first
The new method of base sodium cellulosate.Application No. is 87102045.9 Chinese patent literatures to propose using as processing feedstuff with stalks
Method.Application No. is 200610096499.6 Chinese patent literatures to provide a kind of side preparing activated carbon with maize straw
Method.
On the other hand, blast furnace ironmaking needs to consume a large amount of fossil fuel, while discharging a large amount of greenhouse gases.And it is biological
Matter as a kind of renewable resource, and burning when will not increase air in CO2, it is a kind of CO2Neutral substance has CO2
The characteristics of zero-emission.China possesses abundant biomass resource, does not also recycle crops as main fuel in rural area, also makes
At certain environmental pollution.Therefore, in order to realize the comprehensive utilization of resources of crops, and reduce what blast furnace ironmaking discharged in the process
CO2Pollution to environment can carry out coking in mixed coal with addition of biomass.Also, with the development of economy, China's molten iron
Yield alreadys exceed 800,000,000 tons, and the consumption of this STRENGTH ON COKE proposes great demand, but continually developing with coal resource, since coal provides
Source it is non-renewable, coking coal resource is fewer and fewer.
Invention content
It is good in economic efficiency, can replace technical problem to be solved by the present invention lies in providing a kind of relatively existing coking raw material
Dai Xingqiang's substitutes the method that coking raw material in part carries out coking production using Wooden Biomass.
Its technical problem to be solved can be implemented by the following technical programs.
The present invention provides a kind of new methods producing coke using Wooden Biomass and coal cocoaking；Its feature is to make
Wooden Biomass is the crops bar such as stalk, cornstalk, and crops bar is carried out Mechanical Crushing screening first, and granularity is less than
1mm's uses as sample, and broken sample is utilized grinding tool by continuing to be crushed to and used less than after 1mm more than 1mm
Pressure-like machine is pressed into the cylindrical specimens of diameter 10-15mm, height 12-15mm under 10-15kg pressure conditions, and sample is existed
It is carbonized under 200-300 DEG C of temperature condition, carbonization time 3-4h.Sample after charing is come out of the stove cooling for use.The base used
Plinth coal be factory mixed coal (Ad=5-8%, VMd=26-30%) granularity be less than 6mm, by basic coal be added crusher into
Granularity after row crushes is less than 1mm；Carbonized wooden biomass sample after cooling is added in basic coal afterwards and is sufficiently mixed,
The usage amount of Wooden Biomass charing sample accounts for the 15-20% of basic coal weight, to Wooden Biomass charing sample and after crushing
Basic coal mixture in be incorporated certain moisture, ensure mixture moisture be 4-6%, after feed the mixture into 40kg coke
Stove carries out coking test under certain temperature increasing schedule and obtains qualified coke, and STRENGTH ON COKE carries out quality testing.Specific technical solution
It is as follows：
(1), crushing and screening
A certain amount of crops bar is taken, crops bar is subjected to Mechanical Crushing, screening behaviour is carried out using 1mm round-hole meshes after being crushed
Make, keeps sample less than the sample of 1mm spare.Wooden Biomass more than 1mm is crushed using pulverizer, is recycled after crushing
1mm round-hole meshes sieve, and keep sample for use less than 1mm Wooden Biomass.
(2), mould pressing sample and charing
Wooden Biomass less than 1mm is pressed into the circle of diameter 10-15mm height 12-15mm under 10-15kg pressure
Cylinder carbonizes sample, carbonization time 3-4h under 200-300 DEG C of temperature condition, after charing sample in air from
It is so cooling.
(3), it material broken and mixes
Crusher is added in the mixed coal (Ad=5-8%, VMd=26-30%) less than 6mm from factory to be broken
Granularity after broken is less than 1mm；Charing sample after cooling is added in mixed coal and is sufficiently mixed, Wooden Biomass carbonizes sample
The usage amount of product accounts for the 15-20% of mixed coal weight.
(4), prepared by product
It is incorporated certain moisture into the mixture of Wooden Biomass carbide and basic coal after being sufficiently mixed, is ensured mixed
Close object moisture be 4-6%, after feed the mixture into 40kg coke ovens high temperature carbonization under the conditions of certain temperature, after coke maturation
It is cooled down using dry quenching method, and then obtains qualified coke.
The technical program proposes a kind of new method producing coke using Wooden Biomass and coal cocoaking.The present invention's
Purpose is in the prior art, and Wooden Biomass can only be used for manufacturing furniture, or as incendiary material or the material that generates electricity
Material cannot carry out high value utilize with the coking coal resource problem fewer and fewer as non-renewable resources, it is proposed that a kind of utilization
Wooden Biomass carries out the method that co carbonization prepares good coke as coking coal alternate resources and coal, reduces Wooden Biomass combustion
The environmental pollution brought is burnt, process of coking and ironmaking processes CO are reduced2Discharge, while to the shortage of coking coal resource, finding
A kind of material of partial alternative coking coal is conducive to alleviate the pressure that coking coal resource shortage is brought, while having well
Environmental benefit.
Co carbonization processing is carried out with coal after molding carbonizes using Wooden Biomass, solving Wooden Biomass can only use
The problem of manufacturing furniture, or as incendiary material either electricity generation material, cannot carrying out high value utilization, is wooden biology
The high value of matter utilizes and has found the roads Tiao Xin.Simultaneously a kind of partial alternative material is had found for coking coal resource less and less
Material reduces risk for the shortage of coking coal resource, Wooden Biomass participate in process of coking can reduce coking production process at
This.The high value that mixture coking production conventional coke is carried out using Wooden Biomass and coal utilizes method, reduces environmental pressure,
The generation of pernicious gas and gas caused by Wooden Biomass burning has been inherently eliminated directly to be arranged without processing
The possibility put can reduce process of coking and ironmaking processes CO applied to coking and iron-making production2Discharge has good
Environmental benefit and economic benefit.The present invention provides a kind of Wooden Biomass to substitute think of of the part coal as raw material production coke
Road, while also alleviating coking coal resource consumption to a certain extent and lacking caused pressure.
Description of the drawings
Fig. 1 is new method schematic diagram of the present invention using Wooden Biomass and coal cocoaking production coke；
Specific implementation mode
The specific implementation mode of the present invention is described in further detail below with reference to attached drawing.
It is provided by the invention as shown in Figure 1 that the side that coking raw material in part carries out coking production is substituted using Wooden Biomass
Method；Main includes the sorting of the progress crushing and screening to biomass, and molding charing process, and mixed with broken mixed coal
Close each step of processing, and then the coking raw material that the compound coking of production department requires.It is provided below in conjunction with above-mentioned basic step
Specific embodiment.
Embodiment 1：
Crops cornstalk from agricultural is subjected to Mechanical Crushing screening, granularity is used less than 1mm as sample, greatly
In 1mm continue to be crushed to less than 1mm after use, by broken sample using grinding tool pressure-like machine in 15kg pressure conditions
Under be pressed into the cylindrical specimens of diameter 15mm height 15mm, after sample is carbonized under 300 DEG C of temperature conditions, when charing
Between be 4h.Sample after charing is come out of the stove cooling for use.Mixed coal (the Ad=of 6mm will be less than from factory using crusher
5%, VMd=30%) it crushes, the granularity after crushing is less than 1mm；Charing cornstalk sample after cooling addition is less than
It is sufficiently mixed in the mixed coal of 1mm, the usage amount of cornstalk charing sample accounts for the 15% of basic coal weight, to mixed
Be incorporated certain moisture in mixture, ensure that the moisture of mixture is 4%, after feed the mixture into 40kg coke ovens and centainly heating up
Coking test is carried out under system and obtains qualified coke, and STRENGTH ON COKE carries out quality testing.STRENGTH ON COKE product is detected result：
M40 is 62.3%, M10 16.1%, CRI 36.4%, CSR 51.6%.
Embodiment 2：
Crops kaoliang stalk from agricultural is subjected to Mechanical Crushing screening, granularity is used less than 1mm as sample, greatly
In 1mm continue to be crushed to less than 1mm after use, by broken sample using grinding tool pressure-like machine in 12kg pressure conditions
Under be pressed into the cylindrical specimens of diameter 10mm height 12mm, after sample is carbonized under 250 DEG C of temperature conditions, when charing
Between be 3.5h.Sample after charing is come out of the stove cooling for use.Mixed coal (the Ad=of 6mm will be less than from factory using crusher
6%, VMd=28%) it crushes, the granularity after crushing is less than 1mm；Charing kaoliang stalk sample after cooling addition is less than
It is sufficiently mixed in the mixed coal of 1mm, the usage amount of kaoliang stalk charing sample accounts for the 17% of basic coal weight, to mixed
Be incorporated certain moisture in mixture, ensure that the moisture of mixture is 5%, after feed the mixture into 40kg coke ovens and centainly heating up
Coking test is carried out under system and obtains qualified coke, and STRENGTH ON COKE carries out quality testing.STRENGTH ON COKE product is detected result：
M40 is 61.5%, M10 17.1%, CRI 37.4%, CSR 50.9%.
Embodiment 3：
Crops reed bar from agricultural is subjected to Mechanical Crushing screening, granularity uses as sample less than 1mm, is more than
The continuing to be crushed to of 1mm uses less than after 1mm, by broken sample using grinding tool pressure-like machine under 10kg pressure conditions
Be pressed into the cylindrical specimens of diameter 12mm height 15mm, after sample is carbonized under 200 DEG C of temperature conditions, carbonization time
For 3h.Sample after charing is come out of the stove cooling for use.Using crusher by from factory less than 6mm mixed coal (Ad=7%,
VMd=27% it) crushes, the granularity after crushing is less than 1mm；Matching less than 1mm is added in charing reed bar sample after cooling
It closes and is sufficiently mixed in coal, the usage amount of reed bar charing sample accounts for the 18% of basic coal weight, into mixed mixture
Be incorporated certain moisture, ensure mixture moisture be 6%, after feed the mixture into 40kg coke ovens under certain temperature increasing schedule into
Row coking test obtains qualified coke, and STRENGTH ON COKE carries out quality testing.STRENGTH ON COKE product is detected result：M40 is
60.7%, M10 17.9%, CRI 38.2%, CSR 50.3%
Embodiment 4：
Crops cornstalk from agricultural is subjected to Mechanical Crushing screening, granularity is used less than 1mm as sample, greatly
In 1mm continue to be crushed to less than 1mm after use, by broken sample using grinding tool pressure-like machine in 12kg pressure conditions
Under be pressed into the cylindrical specimens of diameter 15mm height 12mm, after sample is carbonized under 250 DEG C of temperature conditions, when charing
Between be 4h.Sample after charing is come out of the stove cooling for use.Mixed coal (the Ad=of 6mm will be less than from factory using crusher
8%, VMd=26%) it crushes, the granularity after crushing is less than 1mm；Charing cornstalk sample after cooling addition is less than
It is sufficiently mixed in the mixed coal of 1mm, the usage amount of cornstalk charing sample accounts for the 20% of basic coal weight, to mixed
Be incorporated certain moisture in mixture, ensure that the moisture of mixture is 6%, after feed the mixture into 40kg coke ovens and centainly heating up
Coking test is carried out under system and obtains qualified coke, and STRENGTH ON COKE carries out quality testing.STRENGTH ON COKE product is detected result：
M40 is 59.5%, M10 18.1%, CRI 38.7%, CSR 49.8%.
Claims (7)
1. a kind of method carrying out coking production as part coking raw material using Wooden Biomass, which is characterized in that including such as
Lower processing step：
(1), stalk is subjected to Mechanical Crushing screening, chooses granularity and is used as sample less than 1mm；
(2), the sample of selection is pressed into the block of 10-15mm, block is carbonized under 200-300 DEG C of temperature condition,
Carbonization time is 3-4h；And the block cooling after charing is continued to employ；
(3), basic coal is broken into the raw material that granularity is less than 1mm, block after cooling is added and is sufficiently mixed and in the mixture
Moisture is added, it is 4-6% to keep the moisture of mixture, and the addition of wherein block accounts for the 15-20% of basic coal weight；
(4), coking is carried out using step (3) products therefrom as coking raw material.
2. the method for using Wooden Biomass to carry out coking production as part coking raw material according to claim 1, special
Sign is that the stalk is selected from one or more of cornstalk, kaoliang stalk and reed bar.
3. the method for using Wooden Biomass to carry out coking production as part coking raw material according to claim 1, special
Sign is that the block is cylinder material, and a diameter of 10-15mm of the cylinder material is highly 12-15mm.
4. according to the method for carrying out coking production as part coking raw material using Wooden Biomass of claim 1 or 3,
It is characterized in that, the block is suppressed using grinding tool pressure-like machine, pressure condition 10-15kg.
5. the method for using Wooden Biomass to carry out coking production as part coking raw material according to claim 1, special
Sign is that the basis coal is mixed coal, and the technical indicator before being crushed is：Granularity < 6mm, Ad=5-8%, VMd=26-
30%.
6. the method for using Wooden Biomass to carry out coking production as part coking raw material according to claim 1, special
Sign is that the cooling condition of block is natural cooling in air after charing.
7. the method for using Wooden Biomass to carry out coking production as part coking raw material according to claim 1, special
Sign is, is crushed to the basic coal using crusher.
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| CN201710295202.7A CN108795463A (en) | 2017-04-28 | 2017-04-28 | The method that coking production is carried out as part coking raw material using Wooden Biomass |
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| CN201710295202.7A CN108795463A (en) | 2017-04-28 | 2017-04-28 | The method that coking production is carried out as part coking raw material using Wooden Biomass |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111978970A (en) * | 2020-07-23 | 2020-11-24 | 北京科技大学 | Method for preparing coking raw material by biomass hydrothermal carbonization treatment and application of method in coking production |
| CN113174272A (en) * | 2021-04-07 | 2021-07-27 | 徐州工业职业技术学院 | Preparation method of bamboo charcoal powder used as coke preparation thinning agent and coke thinning process |
| CN114214082A (en) * | 2021-11-29 | 2022-03-22 | 山东钢铁股份有限公司 | Method for efficiently recycling fallen leaves |
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| JP2004168893A (en) * | 2002-11-20 | 2004-06-17 | Kansai Coke & Chem Co Ltd | Method for producing coke |
| CN101643656A (en) * | 2009-08-20 | 2010-02-10 | 韩大海 | Coke making method by adding biomass energy to mixed coal |
| CN103194245A (en) * | 2013-04-07 | 2013-07-10 | 昆明理工大学 | Preparation method of biomass carbon coal |
| CN105238421A (en) * | 2015-10-21 | 2016-01-13 | 云南煤业能源股份有限公司 | Tamping coking method with biomass mixed |
| CN105316013A (en) * | 2014-07-31 | 2016-02-10 | 宝山钢铁股份有限公司 | Method for producing coke by replacing part of coal by sawdust |
| WO2017044976A1 (en) * | 2015-09-11 | 2017-03-16 | Enginuity Worldwide, LLC | Improved process and products using a rotary compression unit |
| CN106520246A (en) * | 2016-11-07 | 2017-03-22 | 武汉科技大学 | Method for applying biomass briquettes to coal blending for coking |
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Patent Citations (7)
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|---|---|---|---|---|
| JP2004168893A (en) * | 2002-11-20 | 2004-06-17 | Kansai Coke & Chem Co Ltd | Method for producing coke |
| CN101643656A (en) * | 2009-08-20 | 2010-02-10 | 韩大海 | Coke making method by adding biomass energy to mixed coal |
| CN103194245A (en) * | 2013-04-07 | 2013-07-10 | 昆明理工大学 | Preparation method of biomass carbon coal |
| CN105316013A (en) * | 2014-07-31 | 2016-02-10 | 宝山钢铁股份有限公司 | Method for producing coke by replacing part of coal by sawdust |
| WO2017044976A1 (en) * | 2015-09-11 | 2017-03-16 | Enginuity Worldwide, LLC | Improved process and products using a rotary compression unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111978970A (en) * | 2020-07-23 | 2020-11-24 | 北京科技大学 | Method for preparing coking raw material by biomass hydrothermal carbonization treatment and application of method in coking production |
| CN113174272A (en) * | 2021-04-07 | 2021-07-27 | 徐州工业职业技术学院 | Preparation method of bamboo charcoal powder used as coke preparation thinning agent and coke thinning process |
| CN114214082A (en) * | 2021-11-29 | 2022-03-22 | 山东钢铁股份有限公司 | Method for efficiently recycling fallen leaves |
| CN114214082B (en) * | 2021-11-29 | 2024-05-28 | 山东钢铁股份有限公司 | Method for efficiently recycling fallen leaves |
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