CN107828437A - A kind of method that civilian clean coke is produced using coal tar pitch - Google Patents
A kind of method that civilian clean coke is produced using coal tar pitch Download PDFInfo
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- CN107828437A CN107828437A CN201711119539.9A CN201711119539A CN107828437A CN 107828437 A CN107828437 A CN 107828437A CN 201711119539 A CN201711119539 A CN 201711119539A CN 107828437 A CN107828437 A CN 107828437A
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- 239000000571 coke Substances 0.000 title claims abstract description 60
- 239000011294 coal tar pitch Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000003245 coal Substances 0.000 claims abstract description 104
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims abstract description 20
- 238000010791 quenching Methods 0.000 claims abstract description 10
- 230000000171 quenching effect Effects 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000010304 firing Methods 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 37
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 24
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 24
- 238000002485 combustion reaction Methods 0.000 claims description 19
- 235000019580 granularity Nutrition 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 19
- 235000019738 Limestone Nutrition 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- 239000006028 limestone Substances 0.000 claims description 16
- 239000003054 catalyst Substances 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- 239000003077 lignite Substances 0.000 claims description 12
- 229910052759 nickel Inorganic materials 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 11
- 229910052788 barium Inorganic materials 0.000 claims description 11
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 11
- 229910052748 manganese Inorganic materials 0.000 claims description 11
- 239000011572 manganese Substances 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 11
- 239000002671 adjuvant Substances 0.000 claims description 10
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000000654 additive Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 239000005864 Sulphur Substances 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 3
- 239000001095 magnesium carbonate Substances 0.000 claims description 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 3
- 230000009257 reactivity Effects 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- ISRWWRJLOMIQNG-UHFFFAOYSA-N [K].[Mg].[Si] Chemical compound [K].[Mg].[Si] ISRWWRJLOMIQNG-UHFFFAOYSA-N 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 230000004927 fusion Effects 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 239000011295 pitch Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004939 coking Methods 0.000 description 14
- 239000002994 raw material Substances 0.000 description 13
- 230000009467 reduction Effects 0.000 description 12
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 8
- 239000003830 anthracite Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 239000003344 environmental pollutant Substances 0.000 description 8
- 231100000719 pollutant Toxicity 0.000 description 8
- 230000000996 additive effect Effects 0.000 description 7
- 239000000446 fuel Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000011280 coal tar Substances 0.000 description 6
- 239000003500 flue dust Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 238000009837 dry grinding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 125000003367 polycyclic group Chemical group 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910001710 laterite Inorganic materials 0.000 description 1
- 239000011504 laterite Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000004354 sulfur functional group Chemical group 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
- C10B53/04—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of powdered coal
-
- 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
-
- 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
- C10B57/12—Applying additives during coking
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
A kind of method that civilian clean coke is produced using coal tar pitch is by coal tar pitch：Polyfunctional Compounded Agent:Mixed coal weight ratio is 10~30:4~10:100, coal tar pitch and Polyfunctional Compounded Agent are added in mixed coal, air is completely cut off in gas retort and is heated to 800~1100 DEG C, the h of continuous heating 10~24, then normal temperature is down to through quenching process after red heat furnace charge is come out of the stove, then it is screened, that is, obtain civilian clean coke.The present invention has the advantages of easily igniting, flame is long, programming rate is fast, firing duration is long, environment-friendly.
Description
Technical field
The invention belongs to domestic coke preparation field, and in particular to a kind of side that civilian clean coke is produced using coal tar pitch
Method.
Background technology
Based on the special primary energy natural endowment structure of China's " rich coal, oil-poor, few gas ", coal it is current so that it is following quite
It is still China's production, indispensable significant energy source of living in long a period of time.Coal as primary energy, its directly or
Indirect burning is essential process.It is civilian dissipate combust coal have coal consumption it is big, using it is wide and scattered, pollutant is in line etc.
Feature, serious harm is caused to ecological environment, particularly atmospheric environment.Therefore, green, clean fuel is prepared to substitute
Dissipate and burn raw coal, the discharge that pollutant is controlled from source is one of important channel for improving atmospheric environment.
The carbonated starting material of the mesh of granularity≤80 is proportionally added into and mixed into as-fired coal by patent of invention CN103880592A
Load destructive distillation stove heat afterwards, be then down to normal temperature through quenching, then after screening, solid cleaning fuel is prepared.Patent
Bauxite compound additive is added in mixed coal by CN105567367A, and air heating is completely cut off in gas retort, is specifying temperature
The lower destructive distillation special time of degree, normal temperature is down to after red heat furnace charge is come out of the stove through quenching process, obtains having longer flame length after screening
The civilian clean coke of degree.Domestic coke combustion process pollutant emission obtained by foregoing invention is few, and environmental effect is obvious.But due to
Domestic coke is difficult to break away from the dependence to coking coal resource in process of production, thus significantly limit domestic coke enters one
Walk promotion and application.
Coal tar pitch be coal tar distillation processing remove liquid distillate after residue, account for coal tar total amount 50%~
60%, belong to bulk product.Coal tar pitch main component is polycyclic, condensed-nuclei aromatics and its derivative, and particular compound composition is very multiple
It is miscellaneous, and resistance to weather is poor, containing more harmful composition, is put into《National Hazard waste register》(2016
Version), it is a kind of hazardous chemical.Thus, green, the efficient Utilizing question of coal tar pitch is worth thinking deeply about.Coal tar pitch is cheap, tool
There are higher coking capacity and stronger plasticity, adhesive property is outstanding, thus is often used as the binding agent of coal-blending coking.Patent
CN106520246A discloses a kind of method that biomass molding fuel is applied to coal-blending coking, and biomass material is prepared into by it
After charcoal, and a certain amount of coal tar pitch mixing compression forming, and it is used for coal-blending coking, though the process saves high-quality coal resource,
But flow is added, process is relatively complicated.Patent CN1268717C discloses a kind of preparation method of foundry coke, and it is with smokeless
Coal is raw material, and with coal tar pitch etc. for binding agent, after being stirred in kneading pot, using two pairs of rollers or punch forming, being then carbonized to cast
Coke is made, this method needs through moulding process using anthracite as raw material before destructive distillation coking, and production coke cost is of a relatively high and gained
Coke is not appropriate for civilian.
Through retrieval, using thermal coal as feed coal, using coal tar pitch as binding agent, the research of civilian clean coke is directly produced not
Appear in the newspapers.
The content of the invention
It is an object of the invention to provide a kind of easily igniting, flame is long, programming rate is fast, firing duration is long, environment is friendly
Good civilian clean coke and preparation method thereof.
Coal tar pitch is used for the preparation of domestic coke by the present invention first, for substituting gas in process of coking, fertilizer, Jiao, thin refining
The use of coking coal, its core thinking of conventional metallurgical coke coal-blending coking is by the cooperation of gas, fertilizer, Jiao, thin coking coal, is had
There are suitable ash content, volatile matter, S, G value, Y value mixed coal, the work point, cold strong of metallurgical coke requirement is met after high-temperature retorting
The indices such as degree, reactivity, post reaction strength.But civilian clean coke does not have that metallurgical coke is strict to work point, intensity requirement,
The present invention uses coal tar pitch to realize power coal coking as tackifier in civilian clean coke pyrolytic process.
It is black solid under coal tar pitch normal temperature, without fixed fusing point, in glass phase, heated after-tack is then melted, density
For 1.25-1.35g/cm3, be during coal tar processing, by distillation remove liquid distillate after residue, coal tar pitch
As the main component of coal tar, account for the 50%-60% of total amount, it is considered that its main component be polycyclic, condensed-nuclei aromatics and
Its derivative, particular compound composition are sufficiently complex.Its composition was both relevant with coking coal property and its content of heteroatoms, and by Jiao
The influence of chemical industry skill, coal tar oil quality and coal tar distillation condition.
After coal tar pitch additive is added in coal blending, the increase of amount of liquid phase, stream occur for polycyclic aromatic hydrocarbon plastic body in coal tar pitch
Dynamic property improves, interphase thermal conversion processes improves, so that thickness of colloidal matter layer dramatically increases, index of cementation rises appreciably, and carries
High coking capacity, change the quality index of coal, therefore can be developed the anisotropy of gained coke in pyrolytic process, to carry
The thermal property of high coke.Tackifier in using coal tar pitch as pyrolytic process in civilian clean coke, play and serve as burnt fertilizer
The effect of the gel of coal release, realizes power coal coking, and reach the purpose that cost is greatly reduced.
To achieve these goals, civilian clean coke of the invention is with thermal coal (such as jet coal, dross coal, weak viscous
Coal, meager coal, anthracite etc.) based on, it is aided with the mixed coal that a small amount of coal tar pitch is formed, is re-introduced into solid sulphur, to subtract nitrogen, combustion-supporting etc. multi-functional
Composite assistant, formed through high-temperature retorting, its primary quality measure is as follows：Caloric value (Qnet,ar) >=5700kcal/kg, ash content
(Ad)≤23%, volatile matter (Vd)≤5%, ash fusion point (ST) >=1280 DEG C, crushing strength (M25) >=75%, sulfur-fixing rate (RS)≥
95% (1050 DEG C of ignition temperature), ignition temperature (T)≤420 DEG C, reactive (CRI) >=60%, than surface (S)=15~
35m2/g。
One kind of the invention utilizes the civilian clean coke preparation method of coal tar pitch, comprises the following steps：
By coal tar pitch:Polyfunctional Compounded Agent:Mixed coal weight ratio is 10~30:4~10:100, by coal tar pitch and more work(
Energy composite assistant is added in mixed coal, and air is completely cut off in gas retort and is heated to 800~1100 DEG C, 10~24h of continuous heating, so
Normal temperature is down to through quenching process after red heat furnace charge is come out of the stove afterwards, then it is screened, that is, obtain civilian clean coke.
The mixed coal is with thermal coal (one kind or several in such as jet coal, dross coal, weakly caking coal, meager coal, anthracite
Kind) mixed coal is mixed to form, its quality index is：FCd>=50%, Vdaf>=25%, Ad≤ 11.5%, Std＜ 1.0%.
The preparation method of the coal tar pitch：It is standby to ＜ 3mm through crusher in crushing by its blocks of solid.
The coal tar pitch:Polyfunctional Compounded Agent:Mixed coal weight ratio is 10~30:4~10:100.
The Polyfunctional Compounded Agent includes sulphur-fixing agent, combustion adjuvant and subtracts nitrogen catalyst, its sulphur-fixing agent:Combustion adjuvant:Subtract nitrogen
Catalyst weight ratio is 60~70:10~20:10~20.
The sulphur-fixing agent is sulfur fixation composite additives, its parts by weight composition is 60~80 parts of lime stone, 20~30 parts of barium slag,
10~20 parts of manganese ore, 5~10 parts of aluminum oxide, specific preparation method are shown in patent CN201610102965.0, or calcium base potassium magnesium
Silicon sulphur-fixing agent, its parts by weight composition is 60~80 parts of lime stone, 10~20 parts of potassium feldspar, 0~20 part of silica 1, magnesium carbonate 5
~10 parts, specific preparation method is shown in patent CN201610102964.6.
The parts by weight composition of the combustion adjuvant is 30~50 parts of lignite, 15~25 parts of lime stone, 5~10 parts of manganese dioxide,
Specific preparation method is shown in patent CN201710431002.X.
The parts by weight composition for subtracting nitrogen catalyst is 40~60 parts of lateritic nickel ore, 20~30 parts of calcium carbonate, specific to prepare
Method is shown in patent CN201710431048.1.
Described screening be down to normal temperature furnace charge screening be 25-80mm granularities.
The present invention compared with prior art, it is that it directly brings and the advantages of necessarily lead to it is as follows with good effect：
In the methods of the invention, used coal tar pitch and Polyfunctional Compounded Agent, raw material sources are extensive and abundant, valency
Lattice are cheap, are added directly in mixed coal, and by civilian clean coke made from high-temperature retorting, its ignition temperature is 360~420
DEG C, it is significantly less than metallurgical coke, significant effect；Compared with direct burning coal, oxysulfide emission reduction more than 90%, flue dust emission reduction
More than 96%, to solving surrounding city life in the countryside coal, improve rural area and city environmental quality, reducing haze weather has weight
Big realistic meaning.
Civilian clean coke prepared by the present invention has both sides advantage, and on the one hand the coke has blocking good, intensity
The advantages that moderate, low volatilization, low stain thing discharge and be not easy slagging, without desulphurization denitration fume treatment facility, tail gas can expire
Sufficient discharging standards；And easily light a fire, continuous fiery ability is strong, flame is long, programming rate is fast, firing duration length, be various
The preferable fuel of domestic life stove.On the other hand, the present invention is by dangerous waste product --- coal tar pitch relies on the innovation of technology, realizes
Green, efficient industrial applications.
Because feed coal property is different from proportioning, cause civilian clean coke physico-chemical parameter and metallurgical coke, moulded coal exist compared with
Big difference, form the product of uniqueness.It is mainly manifested in following several respects：
1. hole is flourishing, specific surface area is big, there is good combustion characteristics, meet the low ignition temperature of civilian clean fuel, height
The basic demand of burn rate.
2. its reactivity much larger than metallurgical coke and meet it is on fire it is fast, afterflame ability is strong, flame grows base as domestic fuel
This requirement.
3. civilian clean coke calorific capacity is moderate, though its volatile matter is very low because it belongs to gasification, and combustion, there is flame, but
Without dust, meet the requirement of civilian clean fuel.
4. due to adding special sulphur-fixing agent, civilian clean coke high-temperature captured sulfur result is best, adds the moulded coal of sulphur-fixing agent
Effect is taken second place, and metallurgical coke captured sulfur result is worst.
5. due to add it is special subtract nitrogen catalyst, civilian clean coke possess pyrolytic process subtracts nitrogen and combustion process from
The effect of main denitration, greatly reduce the discharge of nitrogen oxides.
6. due to adding special combustion adjuvant, civilian clean coke burning-point substantially reduces, combustion of 500 DEG C compared with metallurgical coke ＞
Point, less than 400 DEG C can be reduced to.
Embodiment
Embodiment of the invention is made below and further being illustrated.
Embodiment 1
(1) coal tar pitch is crushed to granularity ＜ 3mm；
(2) by dried lime stone, barium slag, manganese ore, aluminum oxide, lignite, manganese dioxide and lateritic nickel ore additive
Raw material is respectively through thick broken, thin broken to granularity≤3mm；
(3) the lime stone 80kg crushed, barium slag 20kg, manganese ore 10kg are weighed respectively as solid sulphur component, aluminum oxide
5kg, lignite 25kg are as combustion-supporting component, and manganese dioxide 5kg, lateritic nickel ore 10kg are as nitrogen component is subtracted, by sulphur-fixing agent:It is combustion-supporting
Agent:Subtract nitrogen catalyst weight ratio as 70:20:10 mix；
(4) compound to stir makes the mesh (0.1mm) of raw material granularity≤150 through dry grinding；Then in 260 DEG C of bars
Calcined 2 hours under part, be cooled to normal temperature, as Polyfunctional Compounded Agent.
(5) as-fired coal material by 25wt% jet coal, 10wt% meager coal, 25wt% 1/3 weakly caking coal, 20wt% not
Viscous coal, the 15wt% semi-coke of anthracite 5% coordinate and form mixed coal；The quality index of its mixed coal is：Vdaf30.0%,
Ad11.5%, FCd62.6%, St,d0.67%；Adhesive index=15, fineness (≤3mm)=88.6%；
(6) coal tar pitch is pressed:Polyfunctional Compounded Agent:Mixed coal weight ratio is 10:4:100, by the coal tar pitch made, more work(
Energy composite assistant is added in mixed coal, and air is completely cut off in gas retort and is heated to 1100 DEG C, continuous heating 16h, then will be red
Hot stove material through quenching process is down to normal temperature after coming out of the stove, then screened, obtains the civilian clean coke that granularity is 25-80mm.In north
The NS18-2 types 150m of Jing Chuanzi stoves Co., Ltd production2Civilian Jiao of gained is burnt in civilian reverberatory furnace, tests it
Pollutant effulent, compared with direct fire coal, oxysulfide emission reduction 88.4%, flue dust emission reduction 96%.
Its primary quality measure is as follows：
| Index | Unit | The technical indicator of the present invention | Measured value |
| Qnet,ar | kcal/kg | ≥5700 | 6209 |
| Ad | % | ≤23 | 17.2 |
| Vd | % | ≤5 | 4.1 |
| ST | ℃ | ≥1280 | 1306 |
| M25 | % | ≥75 | 76.6 |
| RS(1050 DEG C of ignition temperature) | % | ≥95 | 96.1 |
| T | ℃ | ≤420 | 381 |
| CRI | % | ≥40 | 55.8 |
| S | m2/g | 15-35 | 33.2 |
Embodiment 2
(1) coal tar pitch is broken into ＜ 3mm；
(2) by dried lime stone, barium slag, manganese ore, aluminum oxide, lignite, manganese dioxide and lateritic nickel ore additive
Raw material is respectively through thick broken, thin broken to granularity≤3mm；
(3) the lime stone 65kg crushed, potassium feldspar 12.5kg, silica 1 2.5kg are weighed respectively as solid sulphur group
Point, magnesium carbonate 10kg, lignite 20kg, as combustion-supporting component, manganese dioxide 15kg, lateritic nickel ore 15kg press as nitrogen component is subtracted
Sulphur-fixing agent:Combustion adjuvant:Subtract nitrogen catalyst weight ratio as 60:20:20 mix；
(4) compound to stir makes the mesh (0.1mm) of raw material granularity≤150 through dry grinding；Then in 270 DEG C of bars
Calcine 1.8 hours, packed after being cooled to normal temperature, as Polyfunctional Compounded Agent under part.
(5) as-fired coal is not glued by 25wt% weakly caking coal, 25wt% jet coal, 20wt% anthracite, 25wt%
Coal, 5% semi-coke, which coordinate, forms mixed coal；Its quality index (wt%)：Vdaf33.0%, Ad11.5%, FCd58.2%, St, d0.54%, adhesive index=18, fineness (≤3mm)=89.5%；
(6) coal tar pitch is pressed:Polyfunctional Compounded Agent:Mixed coal weight ratio is 15:5.5:100, by the coal tar pitch made, more
Function and service auxiliary agent is added in mixed coal, and air is completely cut off in gas retort and is heated to 1050 DEG C, continuous heating 18h, then will
Red heat furnace charge through quenching process is down to normal temperature after coming out of the stove, then screened, obtains the civilian clean coke that granularity is 25-80mm.
The NS18-2 types 150m of Beijing Chuan Zi stoves Co., Ltd production2Burnt progress combustion test civilian to gained in civilian reverberatory furnace,
Its pollutant effulent is tested, compared with direct fire coal, oxysulfide emission reduction 90.3%, flue dust emission reduction 96.5%.
Its primary quality measure is as follows：
| Symbol | Unit | The technical indicator of the present invention | Measured value |
| Qnet,ar | kcal/kg | ≥5700 | 6055 |
| Ad | % | ≤23 | 21.4 |
| Vd | % | ≤5 | 3.9 |
| ST | ℃ | ≥1280 | 1335 |
| M25 | % | ≥75 | 79.2 |
| RS(1050 DEG C of ignition temperature) | % | ≥95 | 96.8 |
| T | ℃ | ≤420 | 386 |
| CRI | % | ≥40 | 58 |
| S | m2/g | 15-35 | 30.5 |
Embodiment 3
(1) coal tar pitch is broken into ＜ 3mm；
(2) by dried lime stone, barium slag, manganese ore, aluminum oxide, lignite, manganese dioxide and lateritic nickel ore additive
Raw material is respectively through thick broken, thin broken to granularity≤3mm；
(3) the lime stone 70kg crushed, barium slag 25kg, manganese ore 10kg are weighed respectively as solid sulphur component, aluminum oxide
7.5kg, lignite 15kg are as combustion-supporting component, and manganese dioxide 10kg, lateritic nickel ore 12.5kg are as nitrogen component is subtracted, by sulphur-fixing agent:
Combustion adjuvant:Subtract nitrogen catalyst weight ratio as 70:15:15 mix；
(4) compound to stir makes the mesh (0.1mm) of raw material granularity≤150 through dry grinding；Then in 280 DEG C of bars
Calcine 1.5 hours, packed after being cooled to normal temperature, as Polyfunctional Compounded Agent under part.
(5) as-fired coal material by 25wt% jet coal, 10wt% anthracite, 30wt% weakly caking coal, 20wt% not
The meager coal of viscous coal and 15wt%, which coordinates, forms mixed coal；The quality index of its mixed coal is：Vdaf30.0%, Ad11.5%,
FCd62.6%, St,d0.57%；Adhesive index=22, fineness (≤3mm)=83.6%；
(6) coal tar pitch:Polyfunctional Compounded Agent:Mixed coal weight ratio is 20:7:100, by the coal tar pitch prepared, more work(
Energy composite assistant is directly added in mixed coal, and air is completely cut off in gas retort and is heated to 1000 DEG C, continuous heating 20h, then will
Red heat furnace charge through quenching process is down to normal temperature after coming out of the stove, then screened, obtains the civilian clean coke that granularity is 25-80mm.
The NS18-2 types 150m of Beijing Chuan Zi stoves Co., Ltd production2Burnt progress combustion test civilian to gained in civilian reverberatory furnace,
Its pollutant effulent is tested, compared with direct fire coal, oxysulfide emission reduction 92.8%, flue dust emission reduction 95.4%.
Its primary quality measure is as follows：
| Symbol | Unit | The technical indicator of the present invention | Measured value |
| Qnet,ar | kcal/kg | ≥5700 | 5980 |
| Ad | % | ≤23 | 20.1 |
| Vd | % | ≤5 | 4.3 |
| ST | ℃ | ≥1280 | 1305 |
| M25 | % | ≥75 | 82.5 |
| RS(1050 DEG C of ignition temperature) | % | ≥95 | 95.8 |
| T | ℃ | ≤420 | 378 |
| CRI | % | ≥40 | 56 |
| S | m2/g | 15-35 | 28 |
Embodiment 4
(1) coal tar pitch is broken into ＜ 3mm；
(2) by dried lime stone, barium slag, manganese ore, aluminum oxide, lignite, manganese dioxide and lateritic nickel ore additive
Raw material is respectively through thick broken, thin broken to granularity≤3mm；
(3) the lime stone 65kg crushed, potassium feldspar 25kg, silica 7.5kg are weighed respectively as solid sulphur component, carbon
Sour magnesium 12kg, lignite 18kg are as combustion-supporting component, and manganese dioxide 4.5kg, lateritic nickel ore 18kg are as nitrogen component is subtracted, by solid sulphur
Agent:Combustion adjuvant:Subtract nitrogen catalyst weight ratio as 65:20:15 mix；
(4) compound to stir makes the mesh (0.1mm) of raw material granularity≤150 through dry grinding；Then in 290 DEG C of bars
Calcine 1.3 hours, packed after being cooled to normal temperature, as Polyfunctional Compounded Agent under part.
(5) as-fired coal by 25wt% jet coal, 35wt% weakly caking coal, 20wt% meager coal, 10wt% anthracite,
10% semi-coke end, which coordinates, forms mixed coal；Its quality index (wt%)：Vdaf32.5%, Ad11.5%, FCd58.2%, St, d0.49%, adhesive index=13, fineness (≤3mm)=86.5%；
(6) coal tar pitch is pressed:Polyfunctional Compounded Agent:Mixed coal weight ratio is 25:8.5:100, by the coal tar pitch made, more
Function and service auxiliary agent is added in mixed coal, and air is completely cut off in gas retort and is heated to 950 DEG C, continuous heating 22h, then will be red
Hot stove material through quenching process is down to normal temperature after coming out of the stove, then screened, obtains the civilian clean coke that granularity is 25-80mm.In north
The NS18-2 types 150m of Jing Chuanzi stoves Co., Ltd production2Burnt progress combustion test civilian to gained, is surveyed in civilian reverberatory furnace
Its pollutant effulent is tried, compared with direct fire coal, oxysulfide emission reduction 93.2%, flue dust emission reduction 97.5%.
Its primary quality measure is as follows：
| Symbol | Unit | The technical indicator of the present invention | Measured value |
| Qnet,ar | kcal/kg | ≥5700 | 5886 |
| Ad | % | ≤23 | 21.5 |
| Vd | % | ≤5 | 3.6 |
| ST | ℃ | ≥1280 | 1327 |
| M25 | % | ≥75 | 83.6 |
| RS(1050 DEG C of ignition temperature) | % | ≥95 | 97.6 |
| T | ℃ | ≤420 | 394 |
| CRI | % | ≥40 | 56 |
| S | m2/g | 15-35 | 25 |
Embodiment 5
(1) coal tar pitch is broken into ＜ 3mm；
(2) by dried lime stone, barium slag, manganese ore, aluminum oxide, lignite, manganese dioxide and lateritic nickel ore additive
Raw material is respectively through thick broken, thin broken to granularity≤3mm；
(3) weigh respectively the lime stone 55kg crushed, barium slag 25kg, manganese ore 10kg lime stones 80kg, barium slag 20kg,
Manganese ore 10kg is as solid sulphur component, and aluminum oxide 4.5kg, lignite 18kg are as combustion-supporting component, manganese dioxide 7.5kg, laterite nickel
Ore deposit 30kg is as nitrogen component is subtracted, by sulphur-fixing agent:Combustion adjuvant:Subtract nitrogen catalyst weight ratio as 60:15:25 mix；
(4) compound to stir makes the mesh (0.1mm) of raw material granularity≤150 through dry grinding；Then in 300 DEG C of bars
Calcine 1 hour, packed after being cooled to normal temperature, as Polyfunctional Compounded Agent under part.
(5) as-fired coal material by 25wt% jet coal, 10wt% dross coal, 30wt% weakly caking coal, 20wt% it is poor
Coal and 15wt% anthracite coal, which coordinate, forms mixed coal；The quality index of its mixed coal is：Vdaf30.3%, Ad11.5%,
FCd62.6%, St,d0.60%；Adhesive index=20, fineness (≤3mm)=83.6%；
By coal tar pitch:Polyfunctional Compounded Agent:Mixed coal weight ratio is 30:10:100, by the coal tar pitch made, multi-functional
Composite assistant is added in mixed coal, and air is completely cut off in gas retort and is heated to 800 DEG C, continuous heating 24h, then by red heat stove
Expect to be down to normal temperature through quenching process after coming out of the stove, then it is screened, obtain the civilian clean coke that granularity is 25-80mm.Created in Beijing
The NS18-2 types 150m of word stove Co., Ltd production2Burnt progress combustion test civilian to gained, tests it in civilian reverberatory furnace
Pollutant effulent, compared with direct fire coal, oxysulfide emission reduction 96.4%, flue dust emission reduction 98%.
Its primary quality measure is as follows：
Claims (10)
- A kind of 1. method that civilian clean coke is produced using coal tar pitch, it is characterised in that comprise the following steps：By coal tar pitch:Polyfunctional Compounded Agent:Mixed coal weight ratio is 10~30:4~10:100, by coal tar pitch and multi-functional Composite assistant is added in mixed coal, and air is completely cut off in gas retort and is heated to 800~1100 DEG C, the h of continuous heating 10~24, so Normal temperature is down to through quenching process after red heat furnace charge is come out of the stove afterwards, then it is screened, that is, obtain civilian clean coke.
- 2. a kind of method that civilian clean coke is produced using coal tar pitch as claimed in claim 1, it is characterised in that described to match somebody with somebody It is to be mixed to form mixed coal with thermal coal to close coal, and its quality index is：FCd>=50%, Vdaf>=25%, Ad≤ 11.5%, Std＜ 1.0%。
- 3. a kind of method that civilian clean coke is produced using coal tar pitch as claimed in claim 2, it is characterised in that described dynamic Power coal be jet coal, dross coal, weakly caking coal, meager coal, anthracitic one we or it is several.
- A kind of 4. method that civilian clean coke is produced using coal tar pitch as claimed in claim 1, it is characterised in that the coal The preparation method of pitch：It is standby to ＜ 3mm through crusher in crushing by its blocks of solid.
- 5. a kind of method that civilian clean coke is produced using coal tar pitch as claimed in claim 1, it is characterised in that described more Function and service auxiliary agent is sulphur-fixing agent, combustion adjuvant and subtracts nitrogen catalyst, its sulphur-fixing agent:Combustion adjuvant:Subtract nitrogen catalyst weight ratio as 60 ~70:10~20:10~20.
- 6. a kind of method that civilian clean coke is produced using coal tar pitch as claimed in claim 5, it is characterised in that described solid Sulphur agent is sulfur fixation composite additives, and its parts by weight composition is 60~80 parts of lime stone, 20~30 parts of barium slag, manganese ore 10~20 Part, 5~10 parts of aluminum oxide；Or calcium base potassium magnesium silicon sulphur-fixing agent, its parts by weight composition is 60~80 parts of lime stone, potassium feldspar 10~20 Part, 0~20 part of silica 1,5~10 parts of magnesium carbonate.
- 7. a kind of method that civilian clean coke is produced using coal tar pitch as claimed in claim 5, it is characterised in that described to help The parts by weight composition for firing agent is 30~50 parts of lignite, 15~25 parts of lime stone, 5~10 parts of manganese dioxide.
- 8. a kind of method that civilian clean coke is produced using coal tar pitch as claimed in claim 5, it is characterised in that described to subtract The parts by weight composition of nitrogen catalyst is 40~60 parts of lateritic nickel ore, 20~30 parts of calcium carbonate.
- 9. a kind of method that civilian clean coke is produced using coal tar pitch as claimed in claim 1, it is characterised in that described Screening be down to normal temperature furnace charge screening be 25-80mm granularities.
- 10. such as the civilian clean coke of any one of claim 1-9 methods described production, it is characterised in that quality index is as follows： Caloric value >=5700kcal/kg, ash content≤23%, volatile matter≤5%, ash fusion point >=1280 DEG C, crushing strength >=75%, burning Sulfur-fixing rate >=95%, ignition temperature≤420 DEG C, reactivity >=60% during 1050 DEG C of temperature, than the m of surface=15~352/g。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479894A (en) * | 2022-01-22 | 2022-05-13 | 太原理工大学 | Additive for reducing reactivity of coke and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58104986A (en) * | 1981-12-18 | 1983-06-22 | Mitsui Eng & Shipbuild Co Ltd | Manufacuture of formed coke |
| CN105400533A (en) * | 2014-09-16 | 2016-03-16 | 北京三聚环保新材料股份有限公司 | Low-rank coal coking process |
| CN107011961A (en) * | 2017-06-09 | 2017-08-04 | 太原理工大学 | Lignite compound additive and preparation method and the application of civilian clean coke ignition temperature can effectively be reduced |
| CN107118790A (en) * | 2017-06-09 | 2017-09-01 | 太原理工大学 | Reduce Ni-based compound additive and preparation method and the application of domestic coke nitrogen content |
| CN107338066A (en) * | 2017-08-29 | 2017-11-10 | 太原理工大学 | A kind of civilian clean coke and its production method |
-
2017
- 2017-11-14 CN CN201711119539.9A patent/CN107828437A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58104986A (en) * | 1981-12-18 | 1983-06-22 | Mitsui Eng & Shipbuild Co Ltd | Manufacuture of formed coke |
| CN105400533A (en) * | 2014-09-16 | 2016-03-16 | 北京三聚环保新材料股份有限公司 | Low-rank coal coking process |
| CN107011961A (en) * | 2017-06-09 | 2017-08-04 | 太原理工大学 | Lignite compound additive and preparation method and the application of civilian clean coke ignition temperature can effectively be reduced |
| CN107118790A (en) * | 2017-06-09 | 2017-09-01 | 太原理工大学 | Reduce Ni-based compound additive and preparation method and the application of domestic coke nitrogen content |
| CN107338066A (en) * | 2017-08-29 | 2017-11-10 | 太原理工大学 | A kind of civilian clean coke and its production method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479894A (en) * | 2022-01-22 | 2022-05-13 | 太原理工大学 | Additive for reducing reactivity of coke and preparation method and application thereof |
| CN114479894B (en) * | 2022-01-22 | 2023-03-28 | 太原理工大学 | Additive for reducing coke reactivity and preparation method and application thereof |
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Application publication date: 20180323 |