CN107177366A - Production process of coal briquette stacking coke - Google Patents
Production process of coal briquette stacking coke Download PDFInfo
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- CN107177366A CN107177366A CN201710608260.0A CN201710608260A CN107177366A CN 107177366 A CN107177366 A CN 107177366A CN 201710608260 A CN201710608260 A CN 201710608260A CN 107177366 A CN107177366 A CN 107177366A
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- 239000003245 coal Substances 0.000 title claims abstract description 145
- 239000000571 coke Substances 0.000 title claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000004484 Briquette Substances 0.000 title abstract description 3
- 238000004939 coking Methods 0.000 claims abstract description 44
- 238000010791 quenching Methods 0.000 claims abstract description 29
- 230000000171 quenching effect Effects 0.000 claims abstract description 29
- 238000000197 pyrolysis Methods 0.000 claims abstract description 23
- 239000003034 coal gas Substances 0.000 claims abstract description 17
- 238000007731 hot pressing Methods 0.000 claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims abstract 3
- 238000000034 method Methods 0.000 claims description 39
- 239000003818 cinder Substances 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000002894 chemical waste Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000002802 bituminous coal Substances 0.000 description 2
- 229960004424 carbon dioxide Drugs 0.000 description 2
- 229910002090 carbon oxide Inorganic materials 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc 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
- C10B53/04—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of powdered coal
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to a production process of coal briquette stacking coke, which comprises the following steps: pretreatment: crushing coal, weighing corresponding crushed coal, adding or not adding a binder, and mixing to obtain raw material coal; molding: hot-pressing or cold-pressing the raw material coal to obtain molded coal; stacking: stacking molded coal into a coal wall and laterally installing the molded coal into a vertical coke oven; coking: dry distilling in a vertical coke oven; quenching coke: pushing the coke into a coke quenching car, screening and storing the coke after quenching, and recycling the coal gas generated by dry distillation. The technical scheme of the invention effectively improves the viscosity of the coal, so that the consumption of the weakly caking coal can be improved to more than 40 percent, and the density of the weakly caking coal is improved by adopting a cold press molding technology, so that the coking time can be greatly shortened; the starting temperature of dry distillation can be effectively improved, the generation of coking wastewater is reduced, and the quality of coal gas is improved; the effects of energy conservation and environmental protection are realized by recovering the sensible heat of the generated coal gas.
Description
Technical field
The invention belongs to coal coking technical field, and in particular to a kind of coal cinder stacking coke production technique.
Background technology
Coke be bituminous coal isolation air under conditions of, be heated to certain temperature, by drying, pyrolysis, melting, glue
What the stages such as knot, solidification, contraction were finally made, this process is high-temperature coking (high-temperature retorting).Jiao obtained by high-temperature coking
Charcoal can be used for blast furnace process, casting and gasify.Produced in process of coking it is recovered, purification after coke-stove gas be both high heating value
Fuel, be the important organic synthesis raw material of industry again.Coke is mainly used in blast furnace ironmaking and for copper, lead, zinc, titanium, antimony, mercury
Deng the blast furnace smelting of non-ferrous metal, reducing agent, exothermic mixture and stock column skeleton function are played.
Coal resources in China is enriched very much, but passes through geological prospecting, and the reserves of coking coal only account for gross reserves
36.78%, wherein can the coking coal reserves of independent coking there was only 6.21%.In addition, coal source and coal are distributed not in national each province
, some particularly southern regional coal reserves of some provinces and regions are seldom, and mainly mill coal.Therefore how significantly to expand non-
The utilization of coking coal, is the important topic of current China's coking industry development.In addition to blast furnace ironmaking needs a large amount of coke, other
Coke required for industry is quite a few, such as Foundry Coke, and gasification is burnt, electric Jiao etc..Cupola coke is the main of furnace cupola molten iron
Fuel, for melting batch, and overheats molten iron, also plays support stock column, the effect such as the good gas permeability of holding and confession charcoal.
China Coke industry is grown along with steel industry Growth Development, and its coal utilization technology and coking technique technology can be rated as
It is world-class.Existing coke production technique has resource restriction, an environmental pollution, the problems such as especially operating environment is severe,
The exploitation of 21 century coke production technique has two great development directions, is concentrated mainly on the effective of weakly caking coal and utilizes and enhancement of environment, drop
In terms of low energy consumption.Correspondingly, many New Coke-making Technologies are developed, " the jumbo Coking reaction of such as European coking worker exploitation
The single hole coking system of device one ", SCOPE21 techniques of Japan's exploitation etc..The new coke production technology of exploitation is world's coking
The problem that industry faces.
To expand coking coal as raw material, by specific coal blending process, hot extrusion molding is fabricated with certain size and strong
Coke is made by charing in the shaped coal of degree, is an important method for expanding coking coal source.Both can be using jet coal, smokeless
The coal cokings such as coal, can also expand cohesive, weakly caking coal chlorine adding ratio.Existing coke production technique, it is tight usually using resource
The strong caking coal of some scarce, production efficiency is relatively low, the thermal efficiency is poor.Meanwhile, the problems such as also gas leak pollutes environment.Cause
This, develops new coking process and current technology is thoroughly innovated.
Publication No. CN1923956A patent application discloses a kind of pretreatment technology of coking mixing coal, and specifically discloses
Step：A certain amount of anthracitic coking mixing coal will be incorporated to be mixed evenly with water, another side heating is while be stirred to
Predetermined moisture content, that is, by coking mixing coal carry out bubble, water boil, drying process, make the coking coal and nothing in coking mixing coal
Bituminous coal merges into an organic whole；The coking mixing coal by boiling by bubble, water, after drying process enters stove coking again, can produce high-quality burnt.But
The moisture that above-mentioned technical proposal is boiled after step in coal through bubble, water is largely raised, and step is also additionally dried, and wastes energy
Source and improve cost.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to a kind of new coal cinder stacking coke production technique is provided,
Can be by improving the viscosity and density of coal, coking time, degree can be greatly shortened, reduces coking chemical waste water and generate and improve coal gas
Quality, has the advantages that energy-conserving and environment-protective.
The technical scheme that uses to achieve the above object of the present invention is：A kind of coal cinder stacking coke production technique, including with
Lower step：
1) pre-process：After coal charge is crushed, by blending ratio weigh it is corresponding crush coal charge addition or without binding agent after,
Damping, it is mixed to get feed coal；
2) it is molded：Feed coal hot pressing or cold moudling are obtained into moulded coal；
3) stacking：Moulded coal stacking coal-forming wall is simultaneously attached to vertical coke oven in side；
4) coking：The destructive distillation in vertical coke oven；
5) quenching：Coke is pushed into coke quenching cart, sieves, preserve after quenching, the coal-gas recovering processing that destructive distillation is produced；
Further, step 1) in crush coal charge grain diameter be less than 2mm；
Further, step 1) in damping to moisture be 2-6%；
Further, step 2) in hot pressing or cold moudling compression ratio be more than 2:1, briquetting pressure is more than 20MPa；
Further, it is preferable to cold moudling；
Further, step 2) in hot pressing or cold moudling moulded coal density >=1.25 ton/m3；
Further, step 3) in moulded coal stacking coal-forming wall is put into the dragging on coal plate of totally-enclosed charging car, and side
By dragging coal baffle, by dragging coal plate and dragging the motion of coal baffle plate that stacking coal wall is loaded into the furnace chamber of vertical coke oven；
Further, step 4) in pyrolysis temperature be 950-1050 DEG C；
Further, step 4) in retorting time be 16-26h；
Further, step 5) in will refine ripe coke with ram and be pushed into coke quenching cart through coke guide；Quenching is used
Cooled coal gas, nitrogen or vapor quenching, then sieve, preserve；
Further, step 5) in destructive distillation produce coal gas through heat exchange be cooled to 650 DEG C after, be chilled to 85 with cyclic ammonia water
DEG C, then it is sent to chemical products recovery workshop working process through gas gathering system.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1) by the application of coal cinder stacking New Coke-making Technology, coke chemicals upgrading is realized, is that coal chemical enterprise is found
New growth engines is arrived；
2) Iight sticky coal ratio is improved, valuable coking coal resource is saved, reduces coke production cost, realize enterprise
Quick sustainable development；
3) shaping coking is carried out to as-fired coal, improves destructive distillation initial temperature, shortened coking time 20% or so, improve
Coking ability, reduces coking chemical waste water 6%--8%, improves gas quality；
4) stove technology is entered using totally-enclosed stacking coal bin shaped coal, produced cigarette when preventing to coaling along with coke, dirt,
The discharge of BaP etc., it is environment-friendly.
Technical scheme allows the consumption of weak caking coal to bring up to more than 40%, and uses thermoforming skill
Art improves its density, and coking time can be greatly shortened；Destructive distillation initial temperature, reduction coking chemical waste water is effectively improved to generate and improve
Gas quality；Reclaimed by the gas heat to generation, realize the effect of energy-saving and environmental protection.
Embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
A kind of coal cinder stacking coke production technique, comprises the following steps：
1) pre-process：After coal charge is crushed according to coal property, weighed by blending ratio and corresponding crush coal charge addition or not
Add after binding agent, damping, be mixed to get feed coal；
2) it is molded：Feed coal hot pressing or cold moudling are obtained into moulded coal；
3) stacking：Moulded coal stacking coal-forming wall is simultaneously attached to vertical coke oven in side；
4) coking：The destructive distillation in vertical coke oven；
5) quenching：Coke is pushed into coke quenching cart, sieves, preserve after quenching, the coal-gas recovering processing that destructive distillation is produced；
Preferably, step 1) in crush coal charge grain diameter be less than 2mm；
Preferably, step 2) in hot pressing or cold moudling compression ratio be more than 2:1, briquetting pressure is more than 20MPa；
Preferably, using the method for cold moudling；It is simpler and easy to operate compared to hot-forming.
Preferably, step 2) in hot pressing or cold moudling moulded coal density >=1.25 ton //m3；
Preferably, step 3) in moulded coal stacking coal-forming wall is put into the dragging on coal plate of charging car, and side is by dragging coal
Baffle, by dragging coal plate and dragging the motion of coal baffle plate that stacking coal wall is loaded into the furnace chamber of vertical coke oven；
Preferably, step 4) in pyrolysis temperature be 950-1050 DEG C；
Preferably, step 4) in retorting time be 16-26h；
Preferably, step 5) in will refine ripe coke with ram and be pushed into coke quenching cart through coke guide；Quenching is used
Cooled coal gas, nitrogen or vapor quenching, then sieve, preserve；
Preferably, step 5) in destructive distillation produce coal gas through heat exchange be cooled to 650 DEG C after, be chilled to 85 with cyclic ammonia water
DEG C, then it is sent to chemical products recovery workshop working process through gas gathering system.
Embodiment 1
A kind of coal cinder stacking coke production technique, comprises the following steps：
1) pre-process：After coal charge is crushed, phase is weighed by the blending ratio of binding coal 60%, the weight of weak caking coal 40%
Moisture is adjusted to after 2-6% be mixed to get feed coal by the crushing coal charge answered without binding agent is conditioned, crushes the particle of coal charge
Particle diameter is less than 2mm；
2) it is molded：Feed coal hot pressing or cold moudling are obtained into moulded coal, the compression ratio of hot pressing or cold moudling is more than 2:1,
Briquetting pressure is more than 20MPa, obtained hot pressing or cold moudling moulded coal density >=1.25 ton/m3；
3) stacking：Moulded coal stacking coal-forming wall is put into the dragging on coal plate of totally-enclosed charging car, and side is by dragging coal baffle plate
Stop, by dragging coal plate and dragging the motion of coal baffle plate that stacking coal wall is loaded into the furnace chamber of vertical coke oven；
4) coking：The destructive distillation in vertical coke oven, pyrolysis temperature is 950-1050 DEG C, and retorting time is 14h；
5) quenching：Ripe coke, which will be refined, with ram is pushed into coke quenching cart through coke guide；Quenching uses cooled coal gas quenching,
Then sieve, preserve；After the coal gas that destructive distillation is produced is cooled to 650 DEG C through heat exchange, 85 DEG C are chilled to cyclic ammonia water, then through gas collection
System is sent to chemical products recovery workshop working process.
After testing, coking chemical waste water amount is reduced to 6%, and obtained gas composition is as follows：Methane 34%, nitrogen content 3%, one
Carbonoxide 11%, calorific value, 20.2MJ/m2。
Embodiment 2
A kind of coal cinder stacking coke production technique, comprises the following steps：
1) pre-process：Corresponding crushing coal charge is weighed by the blending ratio of binding coal 60%, the weight of weak caking coal 40%
Moisture is adjusted to after 2-6% to be mixed to get feed coal without binding agent is conditioned, the grain diameter for crushing coal charge is less than 2mm；
2) it is molded：Feed coal hot pressing or cold moudling are obtained into moulded coal, the compression ratio of hot pressing or cold moudling is more than 2:1,
Briquetting pressure is more than 20MPa, obtained hot pressing or cold moudling moulded coal density >=1.25 ton/m3；
3) stacking：Moulded coal stacking coal-forming wall is put into the dragging on coal plate of totally-enclosed charging car, and side is by dragging coal baffle plate
Stop, by dragging coal plate and dragging the motion of coal baffle plate that stacking coal wall is loaded into the furnace chamber of vertical coke oven；
4) coking：The destructive distillation in vertical coke oven, pyrolysis temperature is 950-1050 DEG C, and retorting time is 14h；
5) quenching：Ripe coke, which will be refined, with ram is pushed into coke quenching cart through coke guide；Quenching uses cooled coal gas quenching,
Then sieve, preserve；After the coal gas that destructive distillation is produced is cooled to 650 DEG C through heat exchange, 85 DEG C are chilled to cyclic ammonia water, then through gas collection
System is sent to chemical products recovery workshop working process.
After testing, coking chemical waste water amount is reduced to 6%, and obtained gas composition is as follows：Methane 35%, nitrogen content 3%, one
Carbonoxide 10%, calorific value, 20.6MJ/m2。
Embodiment 3
Exemplified by existing 5.5 meters of tamping coke furnaces, transformed, target year 200000 tons of yield of increase：
1) preheating briquette shaper is calculated
Forming machine is the key equipment of production, has considerable influence to the production efficiency and quality of product.According to this work
The requirement of skill is, it is necessary to production capacity is big, hot pressing or cold-compacting forming device.
The design requirement fills the hole of moulded coal 60 daily, 1330 pieces of moulded coal is needed per hole, the daily working time is 21 hours, i.e., every
Hour needs the moulded coal to be：
N0=(60 × 1330) ÷ 21=3800 parts
Press model SKM600-6B, rated pressure 31.5MPa, the average 7s of single device is selected to produce 1 piece of moulded coal, i.e.,
Every can produce moulded coal per hour
N=3600 ÷ 7=514 parts
Need press
N=1900 ÷ 514=7.38 platforms, round numbers 8
If 1 standby, therefore selected forming machine number of units is N=9 platforms
2) moulded coal stacking station is calculated
Palletizing mechanical is the key equipment of production, has considerable influence to the production efficiency of product.Working time is divided into moulded coal
Palletization times and loading time.
Palletization times
T1=20min
Loading time
T2=3.5min
Assuming that calculating cycle has 20% error, then K=1.2
Total operating time
T=K (T1+T2)=1.2 × (20+3.5)=28.2min
Therefore T0=50.4min>T=28.2min, use requirement is met using 1 set of stacking station.
Above-described embodiment is simply to illustrate that the technical concepts and features of the present invention, the purpose is to be to allow in the art
Those of ordinary skill can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent change or modification according to made by the essence of present invention, should all covers within the scope of the present invention.
Claims (10)
1. a kind of coal cinder stacking coke production technique, it is characterised in that comprise the following steps：
1) pre-process：After coal charge is crushed, weigh it is corresponding crush coal charge addition or without binding agent after, damping, mix
To feed coal；
2) it is molded：Feed coal hot pressing or cold moudling are obtained into moulded coal；
3) stacking：Moulded coal stacking coal-forming wall is simultaneously attached to vertical coke oven in side；
4) coking：The destructive distillation in vertical coke oven；
5) quenching：Coke is pushed into coke quenching cart, sieves, preserve after quenching, the coal-gas recovering processing that destructive distillation is produced.
2. a kind of coal cinder stacking coke production technique as claimed in claim 1, it is characterised in that step 1) middle crushing coal charge
Grain diameter is less than 2mm.
3. a kind of coal cinder stacking coke production technique as claimed in claim 1, it is characterised in that step 1) in damping to moisture
Content is 2-6%.
4. a kind of coal cinder stacking coke production technique as claimed in claim 1, it is characterised in that step 2) in hot pressing or cold pressing
The compression ratio of shaping is more than 2:1, briquetting pressure is more than 20MPa.
5. a kind of coal cinder stacking coke production technique as claimed in claim 2, it is characterised in that step 2) in hot pressing or cold pressing
Moulded coal density >=1.25 ton/m of shaping3。
6. a kind of coal cinder stacking coke production technique as claimed in claim 1, it is characterised in that step 3) in by moulded coal stacking
Coal-forming wall is put into the dragging on coal plate of totally-enclosed charging car, and side is by dragging coal baffle, by dragging coal plate and dragging coal baffle plate
Motion stacking coal wall is loaded into the furnace chamber of vertical coke oven.
7. a kind of coal cinder stacking coke production technique as claimed in claim 1, it is characterised in that step 4) in pyrolysis temperature be
950-1050℃。
8. a kind of coal cinder stacking coke production technique as claimed in claim 1, it is characterised in that step 4) in retorting time be
16-26h。
9. a kind of coal cinder stacking coke production technique as claimed in claim 1, it is characterised in that step 5) in will with ram
Refine ripe coke and be pushed into coke quenching cart through coke guide；Quenching uses cooled coal gas, nitrogen or vapor quenching, then sieves, stores
Hide.
10. a kind of coal cinder stacking coke production technique as claimed in claim 1, it is characterised in that step 5) in destructive distillation produce
Coal gas through heat exchange be cooled to 650 DEG C after, 85 DEG C are chilled to cyclic ammonia water, then chemical products recovery vehicle is sent to through gas gathering system
Between working process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608260.0A CN107177366A (en) | 2017-07-24 | 2017-07-24 | Production process of coal briquette stacking coke |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608260.0A CN107177366A (en) | 2017-07-24 | 2017-07-24 | Production process of coal briquette stacking coke |
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| Publication Number | Publication Date |
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| CN107177366A true CN107177366A (en) | 2017-09-19 |
Family
ID=59837547
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| CN201710608260.0A Pending CN107177366A (en) | 2017-07-24 | 2017-07-24 | Production process of coal briquette stacking coke |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111187634A (en) * | 2019-11-24 | 2020-05-22 | 石晶 | Intelligent forming, stacking and coking production method |
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| DE102010047036A1 (en) * | 2010-09-30 | 2012-04-05 | Rwe Power Ag | Method for providing stack of brown coal briquette bundles on substrate in industry, involves constructing stack of mold bundles, packing combustible mold bundles into paper-based packaging, and cooling channel-free stacks of bundles |
| CN104531253A (en) * | 2014-12-31 | 2015-04-22 | 太原重工股份有限公司 | Briquette coal wall manufacturing device and method for loading briquette coal in vertical coke oven |
| CN105542799A (en) * | 2015-12-19 | 2016-05-04 | 太原重工股份有限公司 | Briquette staking station |
-
2017
- 2017-07-24 CN CN201710608260.0A patent/CN107177366A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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