CN107236558A - A kind of handling process of biomass - Google Patents
A kind of handling process of biomass Download PDFInfo
- Publication number
- CN107236558A CN107236558A CN201610186597.2A CN201610186597A CN107236558A CN 107236558 A CN107236558 A CN 107236558A CN 201610186597 A CN201610186597 A CN 201610186597A CN 107236558 A CN107236558 A CN 107236558A
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- China
- Prior art keywords
- biomass
- coke
- handling process
- upgrading
- bundled
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/08—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form in the form of briquettes, lumps and the like
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention provides a kind of handling process of biomass, the technique is by the way that pack bundled, direct pressing of biomass material to be molded biomass moulding material is made, then carries out upgrading processing to biomass moulding material under given conditions, and raw gas, tar and coke can be made.The biomass processes technique of the present invention can not only reduce oil gas and the cost of material of coke product, can also effectively realize the recycling of biomass so that the existing considerable economic benefit of technique of the invention has certain social benefit again.The biomass processes technique of the present invention had both solved prior art because making the problem of biomass application is limited, the problem of low existing tamping coke furnace availability, upgrading industry production capacity surplus are overcome again in the absence of large-scale industrialization equipment.
Description
Technical field
Tamping coke furnace pair is used the present invention relates to the exploitation field of biomass energy, more particularly to one kind
The technique that biomass is handled.
Background technology
With China's demand for energy increase rapidly and conventional fossil fuel increasingly depleted, coal
Will not occur within the following quite a long time as the principal status of public economy of China's production of energy and consumption
Sexually revise at all.At present, the utilization for coal is more based on burning, and coal is in combustion
The pollutants such as substantial amounts of dust, carbon monoxide, sulphur or nitrogen oxide can be discharged, ecological environment is caused
It is continuous worsening, cause increasingly serious environmental problem.Therefore, clean regenerative resource has been developed
So turn into the important channel for solving energy crisis and environmental pollution.
Biomass energy is that green plants converts solar energy into chemical energy and is stored in the energy inside biomass
Amount, i.e., using biomass as the form of energy of carrier, it directly or indirectly derives from the light of green plants
Cooperation is used, and can be converted into conventional solid-state, liquid and fuel gas, inexhaustible, nexhaustible,
It is a kind of regenerative resource, while being also a kind of unique reproducible carbon source.Also, biomass energy is also
With multi-functionals such as energy substitution, emission reduction environmental protection and promotion rural economys, therefore, from energy security
Set out with environmental protection, the exploitation to biomass energy turn into the war of current development regenerative resource
Omit emphasis.
However, because the short texture of biological energy raw material, distribution are scattered, space-consuming is big, as
Fuel has that energy density is small, directly burn the thermal efficiency is low, transport and storage cost,
Cause to be difficult to scale efficiently to utilize, economic benefit is poor, commodity energy is converted into as restriction biomass
The key factor in source.The biomass solid shaping technology researched and developed in recent years changes traditional biomass energy
Land use systems, highdensity shaped fuel is converted into by loose biomass, is directly burnt or as gas
Change, liquefy raw material, a kind of effective way developed as biomass energy, be also to substitute conventional energy
The effective ways in source.But do not possess the equipment for applying biomass fuel heavy industrialization still at present,
It thus limit the exploitation of biomass.
Tamping coke furnace is the maximization equipment used in the coking process of coal, and its floor space is wide, investment
Capital cost is big.Coking of coal be by raw material of coal through high-temperature retorting produce coke, while obtain coal gas,
Coal tar and a kind of coal conversion process for reclaiming other chemical products, its coke product are mainly metallurgical coke
Or chemical industry is burnt.Due to industrially very high to the quality requirements of this kind of coke so that production metallurgy is burnt or changes
The coal raw material that work Jiao is used is mainly coking coal, 1/3 coking coal, bottle coal, rich coal, lean coal, meager lean coal
Etc. coal, belong to mesometamorphism bituminous coal, but the shortage of coal resources in recent years, particularly for coking
The reduction of the middle high-quality coal raw material of industry so that the cost of material of coking industry is growing day by day, in addition
Steel, metallurgy etc. were a large amount of in recent years needs the decline of metallurgical coke or the burnt industry of chemical industry, causes coke to produce
The demands of product is reduced, price declines, so as to force coke-oven plant drastically to reduce coke output, thus band
Come consequence be that tamping coke furnace is out of service, once and coke oven disable will scrap, then in order to protect
Furnish a huge amount of money for the tamping coke furnace equipment invested to build, would have to maintain the operation of coke oven in minimum level, this
Sample not only reduces the availability of tamping coke furnace, can also cause the production capacity surplus of coking industry.Therefore,
The coking industry for being on the verge of negative growth how is saved, the availability of tamping coke furnace is improved, coking industry is solved
The problem of production capacity surplus, has turned into the bottleneck of current containment coking industry development.
In summary, how tamping coke furnace is applied to opening for biomass energy under current situation
Hair utilizes field, so that above-mentioned both sides problem is all readily solved, it is puzzlement art technology
The technical barrier of personnel.
The content of the invention
Present invention solves the technical problem that being to overcome prior art can not realize that biomass energy on a large scale should
The problem of defect and low existing tamping coke furnace availability, and then offer one kind uses tamping coke furnace
The technique handled biomass.
Therefore, the present invention realizes that the technical scheme of above-mentioned purpose is：
A kind of handling process of biomass, comprises the following steps：
(1) biomass material is packed bundled, forms bundled materials；
(2) it is under conditions of 20-50 DEG C, 25-45MPa that the bundled materials are compressing, life is made
Material molding mass；
(3) to the biomass moulding material carry out upgrading processing, control upgrading temperature be 850-950 DEG C,
The upgrading time is not less than 16 hours, the raw gas overflowed, tar is collected, while obtaining carbon residue.
The water content of the biomass material is not more than 20wt%.
The biomass material is stalk and/or wood wastes.
The volume of the bundled materials is not less than 0.5m3。
Power is 40-50 DEG C, 30-40MPa under conditions of the compacting.
The ratio between density of the biomass moulding material and the bundled materials is (4-7)：1.
The upgrading processing is carried out in tamping coke furnace.
The present invention carries out compression process using hydraulic test to above-mentioned bundled materials, according to used mould
Shape and size difference, the molding mass with arbitrary shape and size can be made.Preferably,
The shape and size of biomass moulding material produced by the present invention and the carbonization chamber of tamping coke furnace match.
The above-mentioned technical proposal of the present invention has the following advantages that：
The handling process for the biomass that the present invention is provided, makes full use of high-temperature retorting to make in biomass
Organic matter changes olefiant gas and residue can be used as the burnt characteristic of chemical industry, by former directly by biomass
Material packing is bundled, compressing under given conditions again, on the one hand ensures that biomass material can be pushed into
Upgrading processing is carried out in tamping coke furnace, on the other hand also the solid product after biomass carbonization is difficult
Efflorescence, it is easy to the coke pushing of tamping coke furnace, so as to obtain the raw gas of certain appreciable amount, tar, coke.
It can be seen that, technique of the invention can not only reduce oil gas and the cost of material of coke product, can also be effective
Realize the recycling of biomass so that the existing considerable economic benefit of technique of the invention has one again
Fixed social benefit.The biomass processes technique of the present invention had both solved prior art because in the absence of big rule
The industrial equipment of mould and make the problem of biomass application is limited, existing tamping coke furnace profit is overcome again
Expenditure is low, upgrading industry production capacity surplus the problem of.
Embodiment
Technical scheme will be clearly and completely described below, it is clear that described
Embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, it is all that those of ordinary skill in the art are obtained under the premise of creative work is not made
Other embodiment, belongs to the scope of protection of the invention.In addition, invention described below is different
As long as involved technical characteristic does not constitute conflict and can just be combined with each other each other in embodiment.
In the following embodiments, wt% represents weight/mass percentage composition, and " kg/t molding mass " refers to shaping per ton
Expect the obtained kilogram number of product, " Nm3/ t molding mass " refers to the body for the raw gas that molding mass per ton is obtained
Product is converted into the cubic meter number of 0 DEG C, 1 normal atmosphere pressure.
Embodiment 1
The handling process of biomass described in the present embodiment, comprises the following steps：
(1) it is 100kg, water content is bundled for 18wt% stalk packing, volume is obtained for 0.5m3
Rectangular-shape bundled materials；
(2) it is under conditions of 50 DEG C, 30MPa that bundled materials are compressing, biomass moulding material is produced,
The ratio between density of the biomass moulding material and bundled materials is 5：1；
(3) the biomass moulding material is pushed into tamping coke furnace and carries out upgrading processing, control upgrading temperature
Spend for 850 DEG C, the upgrading time is 16 hours, the raw gas overflowed, tar is collected, while obtaining Jiao
Charcoal.
The amount for the raw gas that the present embodiment is obtained is 330Nm3/ t molding mass, the amount of tar for 25kg/t into
Moulding mixture, the amount of coke is 280kg/t molding mass, in mass, the solids carbon content wherein in coke
It is not more than 6% not less than 50%, volatile matter content, of the particle diameter in more than 40mm after coke screening
Grain gross mass is the 10% of coke gross mass, and particle diameter is total for coke in more than 25mm particle gross mass
The 20% of quality.
Embodiment 2
The handling process of biomass described in the present embodiment, comprises the following steps：
(1) it is 110kg, water content is bundled for 20wt% stalk packing, volume is obtained for 0.5m3
Rectangular-shape bundled materials；
(2) it is under conditions of 40 DEG C, 40MPa that bundled materials are compressing, biomass moulding material is produced,
The ratio between density of the biomass moulding material and bundled materials is 6：1；
(3) the biomass moulding material is pushed into tamping coke furnace and carries out upgrading processing, control upgrading temperature
Spend for 900 DEG C, the upgrading time is 18 hours, the raw gas overflowed, tar is collected, while obtaining Jiao
Charcoal.
The amount for the raw gas that the present embodiment is obtained is 335Nm3/ t molding mass, the amount of tar for 24kg/t into
Moulding mixture, the amount of coke is 280kg/t molding mass, in mass, the solids carbon content wherein in coke
It is not more than 6% not less than 50%, volatile matter content, of the particle diameter in more than 40mm after coke screening
Grain gross mass is the 10% of coke gross mass, and particle diameter is total for coke in more than 25mm particle gross mass
The 20% of quality.
Embodiment 3
The handling process of biomass described in the present embodiment, comprises the following steps：
(1) it is 90kg, water content is bundled for 16wt% stalk packing, volume is obtained for 0.5m3's
Rectangular-shape bundled materials；
(2) it is under conditions of 20 DEG C, 45MPa that bundled materials are compressing, biomass moulding material is produced,
The ratio between density of the biomass moulding material and bundled materials is 7：1；
(3) the biomass moulding material is pushed into tamping coke furnace and carries out upgrading processing, control upgrading temperature
Spend for 950 DEG C, the upgrading time is 16 hours, the raw gas overflowed, tar is collected, while obtaining Jiao
Charcoal.
The amount for the raw gas that the present embodiment is obtained is 340Nm3/ t molding mass, the amount of tar for 22kg/t into
Moulding mixture, the amount of coke is 282kg/t molding mass, in mass, the solids carbon content wherein in coke
It is not more than 4% not less than 80%, volatile matter content, of the particle diameter in more than 40mm after coke screening
Grain gross mass is the 45% of coke gross mass, and particle diameter is total for coke in more than 25mm particle gross mass
The 60% of quality.
Embodiment 4
The handling process of biomass described in the present embodiment, comprises the following steps：
(1) it is 100kg, water content is bundled for 18wt% stalk packing, volume is obtained for 0.5m3
Rectangular-shape bundled materials；
(2) it is under conditions of 45 DEG C, 25MPa that bundled materials are compressing, biomass moulding material is produced,
The ratio between density of the biomass moulding material and bundled materials is 4：1；
(3) the biomass moulding material is pushed into tamping coke furnace and carries out upgrading processing, control upgrading temperature
Spend for 950 DEG C, the upgrading time is 20 hours, the raw gas overflowed, tar is collected, while obtaining Jiao
Charcoal.
The amount for the raw gas that the present embodiment is obtained is 336Nm3/ t molding mass, the amount of tar for 21kg/t into
Moulding mixture, the amount of coke is 278kg/t molding mass, in mass, the solids carbon content wherein in coke
It is not more than 6% not less than 50%, volatile matter content, of the particle diameter in more than 40mm after coke screening
Grain gross mass is the 10% of coke gross mass, and particle diameter is total for coke in more than 25mm particle gross mass
The 20% of quality.
Embodiment 5
The process for upgrading of biomass moulding material described in the present embodiment, comprises the following steps：
(1) it is 110kg, water content is bundled for 20wt% stalk packing, volume is obtained for 0.5m3
Rectangular-shape bundled materials；
(2) it is under conditions of 35 DEG C, 35MPa that bundled materials are compressing, biomass moulding material is produced,
The ratio between density of the biomass moulding material and bundled materials is 5.5：1；
(3) the biomass moulding material is pushed into tamping coke furnace and carries out upgrading processing, control upgrading temperature
Spend for 950 DEG C, the upgrading time is 16 hours, the raw gas overflowed, tar is collected, while obtaining Jiao
Charcoal.
The amount for the raw gas that the present embodiment is obtained is 337Nm3/ t molding mass, the amount of tar for 23kg/t into
Moulding mixture, the amount of coke is 276kg/t molding mass, in mass, the solids carbon content wherein in coke
It is not more than 6% not less than 50%, volatile matter content, of the particle diameter in more than 40mm after coke screening
Grain gross mass is the 10% of coke gross mass, and particle diameter is total for coke in more than 25mm particle gross mass
The 20% of quality.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to embodiment party
The restriction of formula.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to give all embodiments
With exhaustion.And the obvious changes or variations thus extended out is still in the guarantor of the invention
Protect among scope.
Claims (7)
1. a kind of handling process of biomass, comprises the following steps：
(1) biomass material is packed bundled, forms bundled materials；
(2) it is under conditions of 20-50 DEG C, 25-45MPa that the bundled materials are compressing, life is made
Material molding mass；
(3) to the biomass moulding material carry out upgrading processing, control upgrading temperature be 850-950 DEG C,
The upgrading time is not less than 16 hours, the raw gas overflowed, tar is collected, while obtaining coke.
2. handling process according to claim 1, it is characterised in that the biomass material
Water content is not more than 20wt%.
3. handling process according to claim 1 or 2, it is characterised in that the biomass is former
Expect for stalk and/or wood wastes.
4. the handling process according to claim any one of 1-3, it is characterised in that the bundle shape
The volume of material is not less than 0.5m3。
5. the handling process according to claim any one of 1-4, it is characterised in that the compacting
Under conditions of power be 40-50 DEG C, 30-40MPa.
6. the handling process according to claim any one of 1-5, it is characterised in that the biology
The ratio between density of matter molding mass and the bundled materials is (4-7)：1.
7. the handling process according to claim any one of 1-6, it is characterised in that the upgrading
Processing is carried out in tamping coke furnace.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610186597.2A CN107236558A (en) | 2016-03-29 | 2016-03-29 | A kind of handling process of biomass |
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| CN201610186597.2A CN107236558A (en) | 2016-03-29 | 2016-03-29 | A kind of handling process of biomass |
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|---|---|---|---|---|
| AU3962578A (en) * | 1977-09-07 | 1980-03-13 | Koppelman Edward | Making coke from cellulosic materials |
| JP2006282914A (en) * | 2005-04-01 | 2006-10-19 | Nippon Steel Corp | Method of manufacturing biomass coke |
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| 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 |
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