CN107236561A - A kind of low-order coal, the moulding process of rubbish and biomass and the molding mass as made from the technique - Google Patents
A kind of low-order coal, the moulding process of rubbish and biomass and the molding mass as made from the technique Download PDFInfo
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- CN107236561A CN107236561A CN201610186609.1A CN201610186609A CN107236561A CN 107236561 A CN107236561 A CN 107236561A CN 201610186609 A CN201610186609 A CN 201610186609A CN 107236561 A CN107236561 A CN 107236561A
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- 239000003245 coal Substances 0.000 title claims abstract description 86
- 238000000465 moulding Methods 0.000 title claims abstract description 67
- 239000002028 Biomass Substances 0.000 title claims abstract description 51
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000008569 process Effects 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 60
- 239000011258 core-shell material Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 24
- 239000011230 binding agent Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000010411 cooking Methods 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 238000000197 pyrolysis Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000007767 bonding agent Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 2
- 239000002916 wood waste Substances 0.000 claims description 2
- 239000000571 coke Substances 0.000 abstract description 43
- 239000000047 product Substances 0.000 abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000003763 carbonization Methods 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000012265 solid product Substances 0.000 abstract description 2
- 238000004939 coking Methods 0.000 description 14
- 239000002245 particle Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 13
- 239000002802 bituminous coal Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 10
- 239000003077 lignite Substances 0.000 description 9
- 239000011269 tar Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 239000003610 charcoal Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 2
- 241001464837 Viridiplantae Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- 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
- C10B57/06—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives
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)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a kind of low-order coal, the moulding process and the molding mass as made from the technique of rubbish and biomass, the technique is by the way that low-order coal and rubbish are loaded in formed bundled materials of being packed by biomass, compression process is carried out to the obtained material with core shell structure under given conditions again, it can be prepared by containing low-order coal, the molding mass of rubbish and biomass, so on the one hand it can make low-order coal, rubbish and biomass material, which can be pushed into tamping coke furnace, carries out high-temperature retorting, on the other hand low-order coal is also caused, solid product after rubbish and biomass carbonization is easy to release from tamping coke furnace, so as to obtain the raw gas of appreciable amount, tar, carbon residue.It can be seen that, moulding process of the invention can not only reduce oil gas and the cost of material of coke product, can also effectively realize rubbish and the recycling of biomass so that the existing considerable economic benefit of the present invention has certain social benefit again.
Description
Technical field
The present invention relates to coking technology field, more particularly to it is a kind of suitable for tamping coking by low-order coal,
The technique and the molding mass as made from the technique of rubbish and biomass compression molding.
Background technology
Since 18th century, coal turns into one of widely used energy of human world, with regard to China
Energy consumption structure for, current coal occupies 70% or so, is the national main energy sources depended on for existence.
According to the difference of structure and composition, coal is divided into lignite, bituminous coal and anthracite three major types, its metabituminous coal
It is divided into lower-grade metamorphic bituminous and mesometamorphism bituminous coal again, lower-grade metamorphic bituminous also referred to as ub-bituminous coal, itself and lignite one
Rise and be referred to as " low-order coal ".According to statistics, the reserves of China's low-order coal account for national explored coal reserves
More than 55%, up to 561,200,000,000 tons, but due to product of the low-order coal as incoalation initial stage,
With phosphorus content is low, moisture is high, it is easy efflorescence, easy spontaneous combustion, high fugitive constituent, immersion intensity difference, anti-dropping
The features such as intensity difference, thus the serious direct exploitation for limiting low-order coal, this undoubtedly causes huge
The big wasting of resources.In addition, increasingly increase and high-quality coal stock number with domestic energy demand
Fall sharply, upgrading conversion and the comprehensive utilization of low-order coal already turn into current China's energy research and exploitation
Major fields.
So far, the Upgrading Processes both at home and abroad for low-order coal are broadly divided into pyrolysis upgrading skill
Art, non-evaporating dehydrolysis upgrading technology and shaping upgrading technology three major types, wherein, for shaping upgrading skill
For art, low-order coal is in forming process, and the physical action such as high pressure or shearing is to its gel structure and hole
Slot sytem generates irreversible destruction, it is thus possible to inherently lifts the coal rank of low-order coal, makes it
Degree of coalification is also improved therewith, so that the dust for solving drying low-order coal is big, easily absorb water again, easily
In deficiencies such as spontaneous combustions.But current low-order coal upgrading technology is in experimental study and engineering initially should
With the stage, the equipment in the absence of its heavy industrialization is applied thus limit the exploitation of low-order coal
Utilize.
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.The biology researched and developed in recent years
Matter curing molding technology changes traditional mode of biomass energy utilization, and loose biomass is converted into
Highdensity shaped fuel, directly burns or as gasification, liquefaction raw material, as biomass energy exploitation
A kind of effective way utilized, is also the effective ways for substituting conventional energy resource, Unfortunately, mesh
It is preceding not possess the equipment for applying biomass fuel heavy industrialization still.
There is the garbage compost work carried out at present in China for the recycling mode of house refuse at this stage
Skill and the garbage derivatived fuel technology studied, wherein for garbage derivatived fuel technology, though
The right technology has obtained commercial application in day, moral, Mei Deng developed countries, but because China is current
Do not possess the separate waste collection system of specification still, so the external sorting rubbish stable for component
Fuel manufacturing technology can not be applied to the high humidity composting of China, therefore, should be directed to the rubbish of China
Rubbish reclaims present situation, and design research and development are adapted to the process for treating garbage as resource of China's national situation.
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 low-order coal, rubbish under current situation
It is puzzlement this area skill with the exploitation field of biomass so that above mentioned problem is all readily solved
The technical barrier of art personnel.
The content of the invention
Present invention solves the technical problem that being to overcome prior art can not realize low-order coal, rubbish and life
The problem of defect of material energy large-scale application and low existing tamping coke furnace availability, and then provide one
Plant suitable for the technique that low-order coal, rubbish and biomass are pressed of tamping coking and by the work
Molding mass made from skill.
Therefore, the present invention realizes that the technical scheme of above-mentioned purpose is：
The moulding process of a kind of low-order coal, rubbish and biomass, comprises the following steps：
(1) biomass material is packed bundled, forms bundled materials；
(2) house refuse is classified, collects organic components, the organic components include wood
One or more in product, bamboo product, Cotton and Linen, paper products, rubbish from cooking；At 110-120 DEG C
Oxygen free condition under to the organic components be dried processing until water content be reduced to 25wt% with
Under；
(3) organic components for obtaining step (2) are mixed to form mixture with low-order coal, by institute
The inside that mixture is filled to the bundled materials is stated, the material with core shell structure is formed；
(4) it is under conditions of 20-100 DEG C, 15-40MPa that the material is compressing, that is, it is made
Molding mass containing low-order coal, rubbish and biomass.
The water content of the biomass material is not more than 20wt%；The biomass material be stalk and/or
Wood wastes.
The volume of the bundled materials is not less than 0.5m3。
In step (3), the water content of the low-order coal is not more than 20wt%, the organic components with
The mass ratio of the low-order coal is (4-7)：(3-6).
In step (3), binding agent, the binding agent and the low-order coal are also included in the mixture
Mass ratio be (1-3)：(9-7).
The binding agent is the organic adhesive that destructive distillation weightlessness is less than 50% under conditions of 850 DEG C of isolation air
Agent.
The mass ratio of the low order coal mixtures and the bundled materials is 1：(1-5).
Power is 50-70 DEG C, 20-30MPa under conditions of the compacting.
The ratio between density of the molding mass and the material is (2-4)：1.
Molding mass containing low-order coal, rubbish and biomass as made from the moulding process of preceding claim.
The present invention carries out compression process using hydraulic test to the above-mentioned material with core shell structure, according to
The difference of the shape and size of used mould, can be made the shaping with arbitrary shape and size
Material.Preferably, the shape and chi of the molding mass produced by the present invention containing low-order coal, rubbish and biomass
The very little carbonization chamber with tamping coke furnace matches.
The above-mentioned technical proposal of the present invention has the following advantages that：
1st, the moulding process of low-order coal, rubbish and biomass that the present invention is provided, by by low-order coal and
Rubbish is loaded in formed bundled materials of being packed by biomass, then the tool to obtaining under given conditions
Have core shell structure material carry out compression process, you can be made containing low-order coal, rubbish and biomass into
On the one hand moulding mixture, so can enable low-order coal, rubbish and biomass material be pushed into tamping coke furnace
Row high-temperature retorting, on the other hand also make it that the solid product after low-order coal, rubbish and biomass carbonization is easy
In being released from tamping coke furnace, so as to obtain the raw gas of appreciable amount, tar and carbon residue.It can be seen that, this
The moulding process of invention can not only reduce oil gas and the cost of material of coke product, can also effectively realize
The recycling of rubbish and biomass so that the existing considerable economic benefit of the present invention has certain again
Social benefit.Thus, molding mass of the invention not only solves prior art because in the absence of large-scale
Industrial equipment and make the problem of low-order coal, rubbish and biomass application limited, also effectively overcome existing
Some tamping coke furnace availabilities are low, coking industry production capacity surplus the problem of.
2nd, the moulding process of low-order coal, rubbish and biomass that the present invention is provided, preferably to low-order coal with
Binding agent is added in the mixture of organic components, further preferred binding agent is to completely cut off air at 850 DEG C
Under conditions of destructive distillation weightlessness be less than 50% organic binder bond so that the active ingredient in binding agent can promote
The degraded of high molecular polymer at high temperature in low-order coal, rubbish and biomass, so as to help to carry
The oil and gas production of low-order and high-order coal, rubbish and biomass material, makes oil gas total amount increase production more than 10%.And
And in forming process, certain pressure effect promotes binding agent by biomass and low-order coal, garbage adhesion
Close so that the liquid that low-order coal, rubbish and biomass material are produced during high-temperature retorting can ooze
Enter into binding agent, be so favorably improved the quality for the carbon residue that low-order coal, rubbish and biomass are produced.
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.
Low-order coal composition in molding mass produced by the present invention is applied to all low-order coal coal or it is mixed
Compound, for purposes of illustration only, the low-order coal in following embodiments is by taking ub-bituminous coal or lignite as an example.Following
In embodiment, wt% represents weight/mass percentage composition, quality=((quality+biology of low-order coal of molding mass
The quality of quality+rubbish of matter) × 80%+ binding agents quality), " kg/t molding mass " refer to it is per ton into
Kilogram number for the product that moulding mixture is obtained, " Nm3/ t molding mass " refers to the raw gas that molding mass per ton is obtained
Volume is converted into the cubic meter number of 0 DEG C, 1 normal atmosphere pressure.
Embodiment 1
The moulding process of low-order coal, rubbish and biomass described in the present embodiment, comprises the following steps：
(1) it is water content is bundled for 18wt% stalk packing, volume is obtained for 0.5m3Rectangular-shape
Bundled materials；
(2) house refuse is classified, collect woodwork, bamboo product, Cotton and Linen, paper products,
The organic components are dried by the organic components such as rubbish from cooking under 110 DEG C of oxygen free condition
Processing is until water content is reduced to below 25wt%；
(3) organic components for obtaining step (2) and water content are 20wt% ub-bituminous coal by quality
Than 4:6 are mixed to form mixture, and the mixture is filled to the inside of the bundled materials, form tool
There is the material of core shell structure；The mass ratio of the ub-bituminous coal mixture and the bundled materials is 1：5；
(4) it is under conditions of 50 DEG C, 15MPa that the material is compressing, that is, be made containing low-order coal,
The ratio between density of the molding mass of rubbish and biomass, the molding mass and bundled materials is 2：1.
Upgrading processing will be carried out in molding mass push-in tamping coke furnace made from the present embodiment, control upgrading temperature
Spend for 850 DEG C, the upgrading time is 16 hours, the raw gas and tar overflowed is collected, while obtaining residual
Charcoal.The amount for the raw gas that the present embodiment is obtained is 395Nm3/ t molding mass, the amount of tar is 32kg/t
Molding mass, the amount of carbon residue is 320kg/t molding mass, and in mass, the solid carbon wherein in coke contains
Amount is not more than 6% not less than 50%, volatile matter content, and particle diameter is more than 40mm's after carbon residue screening
Particle gross mass is the 10% of carbon residue gross mass, and particle diameter is coke in more than 25mm particle gross mass
The 40% of gross mass.
Embodiment 2
The moulding process of low-order coal, rubbish and biomass described in the present embodiment, comprises the following steps：
(1) it is water content is bundled for 15wt% stalk packing, volume is obtained for 0.5m3Rectangular-shape
Bundled materials；
(2) house refuse is classified, collect woodwork, bamboo product, Cotton and Linen, paper products,
The organic components are dried by the organic components such as rubbish from cooking under 120 DEG C of oxygen free condition
Processing is until water content is reduced to 16wt%；
(3) organic components for obtaining step (2) and water content for 15wt% lignite in mass ratio
5:5 are mixed to form mixture, and the mixture is filled to the inside of the bundled materials, and being formed has core
The material of shell structure；The mass ratio of the lignite and the bundled materials is 1：3；
(4) it is under conditions of 100 DEG C, 30MPa that the material is compressing, that is, it is made and contains low order
The ratio between density of the molding mass of coal and biomass, the molding mass and bundled materials is 4：1.
Upgrading processing will be carried out in molding mass push-in tamping coke furnace made from the present embodiment, control upgrading temperature
Spend for 850 DEG C, the upgrading time is 16 hours, the raw gas and tar overflowed is collected, while obtaining residual
Charcoal.The amount for the raw gas that the present embodiment is obtained is 412Nm3/ t molding mass, the amount of tar for 38kg/t into
Moulding mixture, the amount of coke is 335kg/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 50% of quality.
Embodiment 3
The moulding process of low-order coal, rubbish and biomass described in the present embodiment, comprises the following steps：
(1) it is water content is bundled for 16wt% stalk packing, volume is obtained for 0.5m3Rectangular-shape
Bundled materials；
(2) house refuse is classified, collect woodwork, bamboo product, Cotton and Linen, paper products,
The organic components are dried by the organic components such as rubbish from cooking under 115 DEG C of oxygen free condition
Processing is until water content is reduced to 22wt%；
(3) organic components for obtaining step (2) and water content are 17wt% ub-bituminous coal, bonding
Agent is mixed to form mixture, then the mixture is filled to the inside of the bundled materials, and formation has
The material of core shell structure；
The mass ratio of the organic components and the ub-bituminous coal is 7:3, the ub-bituminous coal and the bonding
The mass ratio of agent is 9:1, the mass ratio of the ub-bituminous coal and the bundled materials is 1：1, the bonding
Agent is the organic binder bond that destructive distillation weightlessness is less than 50% under conditions of 850 DEG C of isolation air, in this implementation
Organic binder bond described in example is preferably the coal tar pitch that softening point is 120 DEG C；
(4) it is under conditions of 70 DEG C, 20MPa that the material is compressing, that is, it is made and contains low-order coal
With the molding mass of biomass, the ratio between density of the molding mass and bundled materials is 2.5：1.
Upgrading processing will be carried out in molding mass push-in tamping coke furnace made from the present embodiment, 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 430Nm3/ t molding mass, the amount of tar for 45kg/t into
Type, the amount of coke is 380kg/t molding mass, and in mass, the solids carbon content wherein in coke is not
It is not more than 6% less than 50%, volatile matter content, particle of the particle diameter in more than 40mm after carbon residue screening
The 30% of gross mass is accounted for, particle diameter is the 60% of coke gross mass in more than 25mm particle gross mass.
Embodiment 4
The moulding process of low-order coal, rubbish and biomass described in the present embodiment, comprises the following steps：
(1) it is water content is bundled for 16wt% stalk packing, volume is obtained for 0.5m3Rectangular-shape
Bundled materials；
(2) house refuse is classified, collect woodwork, bamboo product, Cotton and Linen, paper products,
The organic components are dried by the organic components such as rubbish from cooking under 120 DEG C of oxygen free condition
Processing is until water content is reduced to 19wt%；
(3) organic components for obtaining step (2) and lignite, binding agent that water content is 18wt%
Mixing forms mixture, then the mixture is filled into the inside of the bundled materials, and being formed has core
The material of shell structure；
The mass ratio of the lignite and the bundled materials is 1：2, the organic components and the lignite
Mass ratio be 6:4, the mass ratio of the binding agent and the lignite is 7:3, the binding agent is
Destructive distillation weightlessness is less than 50% organic binder bond under conditions of 850 DEG C of isolation air, in the present embodiment
The organic binder bond is preferably the asphalt that softening point is 125 DEG C；
(4) it is under conditions of 20 DEG C, 40MPa that the material is compressing, that is, it is made and contains low-order coal
With the molding mass of biomass, the ratio between density of the molding mass and bundled materials is 3：1.
Upgrading processing will be carried out in molding mass push-in tamping coke furnace made from the present embodiment, 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 420Nm3/ t molding mass, the amount of tar for 35kg/t into
Moulding mixture, the amount of coke is 359kg/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 30% of coke gross mass, and particle diameter is total for coke in more than 25mm particle gross mass
The 60% 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 (10)
1. the moulding process of a kind of low-order coal, rubbish and biomass, comprises the following steps：
(1) biomass material is packed bundled, forms bundled materials；
(2) house refuse is classified, collects organic components, the organic components include wood
One or more in product, bamboo product, Cotton and Linen, paper products, rubbish from cooking；At 110-120 DEG C
Oxygen free condition under to the organic components be dried processing until water content be reduced to 25wt% with
Under；
(3) organic components for obtaining step (2) are mixed to form mixture with low-order coal, by institute
The inside that mixture is filled to the bundled materials is stated, the material with core shell structure is formed；
(4) it is under conditions of 20-100 DEG C, 15-40MPa that the material is compressing, that is, it is made
Molding mass containing low-order coal, rubbish and biomass.
2. moulding process according to claim 1, it is characterised in that the biomass material
Water content is not more than 20wt%；The biomass material is stalk and/or wood wastes.
3. moulding process according to claim 1 or 2, it is characterised in that the bundled materials
Volume is not less than 0.5m3。
4. the moulding process according to claim any one of 1-3, it is characterised in that step (3)
In, the water content of the low-order coal is not more than 20wt%, the matter of the organic components and the low-order coal
Amount is than being (4-7)：(3-6).
5. the moulding process according to claim any one of 1-4, it is characterised in that step (3)
In, binding agent is also included in the mixture, the binding agent and the mass ratio of the low-order coal are
(1-3)：(9-7).
6. the moulding process according to claim any one of 1-5, it is characterised in that the bonding
Agent is the organic binder bond that destructive distillation weightlessness is less than 50% under conditions of 850 DEG C of isolation air.
7. the moulding process according to claim any one of 1-6, it is characterised in that the low order
The mass ratio of coal and the bundled materials is 1：(1-5).
8. the moulding process according to claim any one of 1-7, it is characterised in that the compacting
Under conditions of power be 50-70 DEG C, 20-30MPa.
9. the moulding process according to claim any one of 1-8, it is characterised in that the shaping
The ratio between density of material and the material is (2-4)：1.
10. contain low-order coal, rubbish and life as made from the moulding process described in claim any one of 1-9
The molding mass of material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610186609.1A CN107236561B (en) | 2016-03-29 | 2016-03-29 | Low-rank coal, garbage and biomass molding process and molding material prepared by process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610186609.1A CN107236561B (en) | 2016-03-29 | 2016-03-29 | Low-rank coal, garbage and biomass molding process and molding material prepared by process |
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| Publication Number | Publication Date |
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| CN107236561B CN107236561B (en) | 2020-02-28 |
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| CN105400534A (en) * | 2014-09-16 | 2016-03-16 | 北京三聚环保新材料股份有限公司 | Coking process raw materials |
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| CN1309166A (en) * | 2001-01-11 | 2001-08-22 | 昆明理工大学 | Process for preparing composite biomass briquettes |
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