CN104774670B - A kind of production method and device of ashless coal - Google Patents
A kind of production method and device of ashless coal Download PDFInfo
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- CN104774670B CN104774670B CN201510129425.7A CN201510129425A CN104774670B CN 104774670 B CN104774670 B CN 104774670B CN 201510129425 A CN201510129425 A CN 201510129425A CN 104774670 B CN104774670 B CN 104774670B
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- coal
- rotary kiln
- ashless coal
- coke powder
- ashless
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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Abstract
The present invention provides a kind of production method and device of ashless coal, and device includes that removing oil degassing partition rotary kiln, hydrochlorate process kettle, heating partition rotary kiln, Si-Mo rod resistance furnace, rotary kiln and ashless coal storage tank.Production stage is as follows：(1) coal dust carries out coal tar oil and gas into removing oil degassing partition rotary kiln and obtains coke powder；(2) coke powder enters hydrochlorate and processes kettle, is processed with 10%～37% hydrochloric acid, 0 ~ 90 DEG C for the treatment of temperature；(3) the coke powder after HCl treatment adds process into rotary kiln, the ashless coal for obtaining.The present invention can optimize ashless coal production process, produce high-quality ashless coal.
Description
Technical field
The invention belongs to the purification treatment technology field of coal, is related to the production method and device of a kind of ashless coal.
Background technology
All the time, exist from coal except the low culm for deashing.The system of existing low culm is described in the patent literature
Make method.The manufacture method of the low culm is to mix coal and solvent, and will be not dissolved in the ash of solvent and be dissolved in solvent
Coal composition separate, solvent is separated from the coal composition for being dissolved in solvent, low culm is thus obtained.Additionally, in the patent literature
Describe in making conventional coal and mix binding coal, the technology for improving the sedimentation velocity of solvent insoluble component.Low culm it is suitable
Mobility, softening meltbility are different according to the purposes difference of low culm.Particularly using low culm as the raw material of coke use when,
The control of mobility is critically important.
The application for a patent for invention of Publication No. CN104011189A provides one kind, and " manufacture method of ashless coal is controlled ashless
The mobility of coal, and make the mobility of ashless coal uniform.It possess from the solution portion for be dissolved with coal composition separate solvent and
Obtain ashless coal ashless coal obtain operation (solvent recovery unit 8) with by mobility when making ashless coal different various coals
Or the mixed processes (reference marks B1～B6) mixed by the different various coal compositions of mobility when making ashless coal.It is ashless
It is to separate solvent from the solution portion comprising mixed various coal compositions and obtain nothing that coal obtains operation (solvent recovery unit 8)
The operation of culm ".
The content of the invention
The present invention provides a kind of production method of ashless coal, to optimize ashless coal production process, produces high-quality ashless coal.This
The another object of invention is to provide a kind of process units of ashless coal.
The technical scheme is that：The production method of ashless coal, production stage are as follows：
(1) coal dust carries out completely cutting off air heating, abjection coal tar and gas isolation air into removing oil degassing partition rotary kiln
Cooling obtains coke powder, and heating-up temperature is 400 ~ 1200 DEG C；
(2) the coke powder after removing oil degassing enters HCl treatment kettle, and it is 1 to press sour charcoal mass ratio with 10%～37% HCl treatment:99
～99:The mixing of 1 ratio is processed, 0 ~ 90 DEG C for the treatment of temperature, and the ash in coke powder forms lower boiling chloride；
(3) the coke powder after HCl treatment carries out completely cutting off air heating into 1200 DEG C of heating partition rotary kiln, then every
Absolutely in the state of air, reheating feed into 1600 DEG C of Si-Mo rod resistance furnace and carries out high temperature isolation air heating, obtains ashless coal；
Or the coke powder after HCl treatment carries out isolation heating treatment into 1600 DEG C of rotary kiln, obtains ashless coal, rotary kiln
It is fuel used for ashless coal.
Coal dust can be replaced with the straw of plant or other carbonaceous materials.Ashless pit ash is less than 0.02%（Quality percentage
Than）Below.
The process units of ashless coal of the present invention, including removing oil degassing partition rotary kiln, removing oil degassing partition rotary kiln are provided with
Coal dust adds mouth, coke powder outlet and coke-stove gas outlet.Device is provided with HCl treatment kettle, heating partition rotary kiln, Si-Mo rod electricity
Resistance stove, rotary kiln and ashless coal storage tank.Coke powder outlet is connected to HCl treatment kettle, the outlet of HCl treatment kettle be connected to rotary kiln or
Heating partition rotary kiln, the discharging opening for heating partition rotary kiln are connected to Si-Mo rod resistance furnace.The discharging opening of Si-Mo rod resistance furnace
Ashless coal storage tank is connected to by completely cutting off air cooler with the discharging opening of rotary kiln.
Device is provided with dehydration equipment, oil gas separation equipment, coal tar oil tank and gas holder, and coke-stove gas outlet connects successively
Dehydration equipment, oil gas separation equipment are connected to, the gas outlet of oil gas separation equipment is connected to gas holder, and liquid outlet is connected to
Coal tar oil tank.
The production method and device of ashless coal of the present invention, is deaerated between partition rotary kiln, HCl treatment kettle, heating by removing oil
Wall rotary kiln, Si-Mo rod resistance furnace and rotary kiln, with coal as raw material through coking and removing oil degasification process into coke powder, coke powder is passed through
Acid treatment makes the ash in coke powder form lower boiling chloride, the coke powder Jing isolation air high-temperature heating treatments after HCl treatment
Obtain high-quality ashless coal.Ashless coal has the features such as ashless, anhydrous, thermal activities are high, thermoplasticity is good, mobility is strong, therefore can be with
In terms of being extensively incorporated in clean fuel, gasification, liquefaction and coking.
Description of the drawings
Fig. 1 is ashless coal process units schematic flow sheet of the present invention；
Schematic flow sheets of the Fig. 2 for another embodiment of the present invention；
Wherein：
1-removing oil degassing partition rotary kiln, 2.-HCl treatment kettle, 3-heating partition rotary kiln, 4-Si-Mo rod resistance
Stove, 5-rotary kiln, 6-ashless coal storage tank.
Specific embodiment
With reference to embodiment, the present invention is described in detail.The scope of the present invention is not limited to embodiment, this area
Technical staff makes any change in the range of claim is limited and falls within the scope of protection of the invention.
Embodiment 1
The process units of ashless coal of the present invention as shown in figure 1, including removing oil degassing partition rotary kiln 1, HCl treatment kettle 2,
Heating partition rotary kiln 3, Si-Mo rod resistance furnace 4 and ashless coal storage tank 6.Removing oil degassing partition rotary kiln be provided with coal dust add mouth,
Coke powder is exported and coke-stove gas is exported.Coke powder outlet is connected to HCl treatment kettle 2, and the outlet of HCl treatment kettle is connected to heating partition
Rotary kiln, the discharging opening for heating partition rotary kiln are connected to Si-Mo rod resistance furnace, and the discharging opening of Si-Mo rod resistance furnace is connected to nothing
Culm storage tank.Device is provided with dehydration equipment, oil gas separation equipment, coal tar oil tank and gas holder, and coke-stove gas is exported successively
Dehydration equipment, oil gas separation equipment are connected to, the gas outlet of the oil gas separation equipment is connected to gas holder, liquid outlet
It is connected to coal tar oil tank.The production method of ashless coal, production stage are as follows：
(1) coal dust carries out completely cutting off air heating into removing oil degassing partition rotary kiln 1, and abjection coal tar and gas isolation are empty
Air cooling obtains coke powder, and heating-up temperature is 400 ~ 1200 DEG C；
(2) the coke powder after removing oil degassing enters HCl treatment kettle 2, with 10%～37% HCl treatment, is 1 by sour charcoal mass ratio:
99～99:The mixing of 1 ratio is processed, 0 ~ 90 DEG C for the treatment of temperature, and the ash in coke powder forms lower boiling chloride；
(3) the coke powder after HCl treatment carries out completely cutting off air heating, Ran Houzai into 1200 DEG C of heating partition rotary kiln 3
Isolation air hot charging carries out high temperature isolation air heating into 1600 DEG C of Si-Mo rod resistance furnace 4, obtains ashless coal.Ashless coal
Ash is reduced to 0.02%（Mass fraction）Below.
Embodiment 2
Another embodiment of the present invention is as shown in Fig. 2 including removing oil degassing partition rotary kiln 1, HCl treatment kettle 2, revolution
Kiln 5 and ashless coal storage tank 6.Coke powder outlet is connected to HCl treatment kettle 2, and the outlet of HCl treatment kettle is connected to rotary kiln 5, rotary kiln
Discharging opening ashless coal storage tank is connected to by chiller.Device is provided with dehydration equipment, oil gas separation equipment, coal tar oil tank
And gas holder, coke-stove gas outlet be consecutively connected to dehydration equipment, oil gas separation equipment, the gas of the oil gas separation equipment
Outlet is connected to gas holder, and liquid outlet is connected to coal tar oil tank.The production method of ashless coal, production stage are：Implement
In example 1, step coke powder (2) after HCl treatment carries out heat treated into 1600 DEG C of rotary kiln 5, obtains ashless coal, rotary kiln
It is fuel used for ashless coal.Other flowage structures and production stage are same as Example 1.
Claims (2)
1. a kind of production method of ashless coal, the ashless pit ash are less than 0.02%（Mass percent）, ashless coal production step
It is rapid as follows：
(1) coal dust enters removing oil degassing partition rotary kiln（1）Carry out completely cutting off air heating, abjection coal tar and gas isolation air
Cooling obtains coke powder, and heating-up temperature is 400 ~ 1200 DEG C；
(2) the coke powder after removing oil degassing enters HCl treatment kettle（2）, it is 1 to press sour charcoal mass ratio with 10%～37% HCl treatment:99
～99:The mixing of 1 ratio is processed, 0 ~ 90 DEG C for the treatment of temperature, and the ash in coke powder forms lower boiling chloride；
(3) the coke powder after HCl treatment enters 1200 DEG C of heating partition rotary kiln（3）Carry out completely cut off air heating, then every
Absolutely in the state of air, reheating feed into 1600 DEG C of Si-Mo rod resistance furnace（4）High temperature isolation air heating is carried out, obtains ashless
Coal；Or the coke powder after HCl treatment is into 1600 DEG C of rotary kiln（5）Isolation heating treatment is carried out, ashless coal is obtained,
Rotary kiln is fuel used for ashless coal.
2. a kind of production method of ashless coal according to claim 1, is characterized in that：The coal dust with the straw of plant or
Other carbonaceous materials replace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510129425.7A CN104774670B (en) | 2015-03-24 | 2015-03-24 | A kind of production method and device of ashless coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129425.7A CN104774670B (en) | 2015-03-24 | 2015-03-24 | A kind of production method and device of ashless coal |
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| CN104774670A CN104774670A (en) | 2015-07-15 |
| CN104774670B true CN104774670B (en) | 2017-04-05 |
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| CN201510129425.7A Active CN104774670B (en) | 2015-03-24 | 2015-03-24 | A kind of production method and device of ashless coal |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105001882B (en) * | 2015-09-02 | 2017-08-01 | 石家庄新华能源环保科技股份有限公司 | A kind of electric heating furnace apparatus under inert atmosphere protection |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01252698A (en) * | 1983-04-19 | 1989-10-09 | Ube Ind Ltd | Coal deashing method |
| ZA886518B (en) * | 1987-09-03 | 1989-05-30 | Commw Scient Ind Res Org | Coal ash modification and reduction |
| CN1031348C (en) * | 1992-06-13 | 1996-03-20 | 煤炭科学研究总院北京煤化学研究所 | Multi-stage rotary process of coal pyrogenic decomposition |
| CN101774565B (en) * | 2009-12-25 | 2012-01-11 | 昆明理工大学 | Method for deeply deashing cock |
| CN102153081A (en) * | 2011-04-28 | 2011-08-17 | 神华集团有限责任公司 | Method for preparing activated carbon by utilizing direct coal liquefaction residue |
| CN102583373B (en) * | 2012-02-13 | 2014-12-10 | 西安三瑞实业有限公司 | Method for preparing active carbon by using coal |
| CN104232125A (en) * | 2013-06-06 | 2014-12-24 | 何巨堂 | Powdery carbon material deashing method |
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