CN103992821B - Coal gasification method - Google Patents
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- CN103992821B CN103992821B CN201410209670.4A CN201410209670A CN103992821B CN 103992821 B CN103992821 B CN 103992821B CN 201410209670 A CN201410209670 A CN 201410209670A CN 103992821 B CN103992821 B CN 103992821B
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Abstract
The invention discloses a coal gasification method and relates to the technical field of coal gasification. The coal gasification method can avoid scorification in a gasification method to ensure continuous and stable operation in the gasification process and expand the coal type application range of the gasification process. The coal gasification method disclosed by the invention comprises the following steps: supplying coal, a gasifying agent and slag containing silicoaluminate to gasifying equipment; and carrying out a gasification reaction on coal and the gasifying agent in the gasifying equipment. The coal gasification method disclosed by the invention is suitable for the coal gasification process.
Description
Technical field
The present invention relates to Coal Gasification Technology field, particularly relate to a kind of coal gasification method.
Background technology
Coal stores rich in natural resources as one, occupies critical positions in energy resource structure.Coal gasification is efficiently, cleans
One of main path utilizing coal.
Present in coal gasifying process, subject matter is the clogging problems of coal ash.The ash of some coal melts temperature relatively
Low, easy slagging scorification when causing gasification, the slagging scorification of coal ash can bring impact in various degree to operation, will cause when slagging scorification is serious
Stop production.Especially in catalytic gasification course of reaction, the addition of catalyst can react with catalytic gasification, reduce reaction temperature, makes low
Temperature is lower obtains higher reaction rate；But the base metal catalysts added is anti-together with minerals in coal during catalytic gasification
Low temperature fused matter should be formed, reduce the ash fusion point of coal, the easy slagging scorification relatively low particularly with sial content in ash, ferrum calcium content is higher
Coal, the interpolation of catalyst can be substantially reduced the ash fusion point of coal, thus causes coal ash particle mutually to bond slagging scorification, causes fluidisation shape
Condition is not good enough, can cause deslagging difficulty, even defluidization etc., cause reactor to be difficult to continuous and steady operation to be made time serious
Coal be unsuitable for catalysis gasification technique, the coal scope of application causing catalysis gasification technique is narrower.
Summary of the invention
Present invention is primarily targeted at, it is provided that a kind of coal gasification method, it is possible to avoid the slagging scorification in gasifying process, to protect
The continuous and steady operation of card gasification, widens the coal scope of application of gasifying process.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that
On the one hand, the invention provides a kind of coal gasification method, wherein, including:
Coal, gasifying agent and the lime-ash containing silicoaluminate are fed in equipment for gasification；
Described coal and described gasifying agent be generating gasification reaction in described equipment for gasification.
Specifically, in described lime-ash, the content of silicoaluminate is more than or equal to 40wt%.
Alternatively, before described coal and described gasifying agent generating gasification react, described method also includes:
Supply catalyst in equipment for gasification.
Preferably, the particle size range of described lime-ash is identical with the particle size range of described coal.
Alternatively, the particle diameter of described lime-ash is 0.01～10mm.
Preferably, the particle diameter of described lime-ash is 0.01～2mm.
Alternatively, the addition of described lime-ash be described coal gross mass 0.01～20%.
Preferably, the addition of described lime-ash be described coal gross mass 2～6%.
Specifically, described coal is clinker(ing) coal kind.
Specifically, described specifically include by coal, gasifying agent with in being fed to equipment for gasification containing the lime-ash of silicoaluminate:
Coal is mixed homogeneously with the lime-ash containing silicoaluminate in mixing arrangement, then mixture is fed to gasification
In equipment, or coal, lime-ash containing silicoaluminate are direct supplied in equipment for gasification respectively；
Gasifying agent is fed in equipment for gasification.
The coal gasification method that the present invention provides, with the addition of a certain amount of ash containing silicoaluminate in equipment for gasification
Slag, in lime-ash rich in the sial content that is effectively improved in equipment for gasification in coal ash of silane agent, thus improve coal
Ash fusion point, efficiently avoid coal ash particle in certain temperature range and mutually bonds slagging scorification, thus avoids fluidized status and owe
Good, deslagging is difficult or the phenomenon such as defluidization, it is ensured that the continuous and steady operation of gasification, significantly widened the coal of gasifying process
Plant the scope of application.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
The flow chart of a kind of coal gasification method that Fig. 1 provides for the embodiment of the present invention；
The process chart of a kind of coal gasification method that Fig. 2 provides for the embodiment of the present invention；
The process chart of the another kind of coal gasification method that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under not making creative work premise all its
His embodiment, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, embodiments provide a kind of coal gasification method, wherein, including:
S1, by coal, gasifying agent and it is fed in equipment for gasification containing the lime-ash of silicoaluminate；
S2, coal and gasifying agent be generating gasification reaction in equipment for gasification.
The coal gasification method that the embodiment of the present invention provides, with the addition of a certain amount of containing silicoaluminate in equipment for gasification
Lime-ash, in lime-ash rich in the sial content that is effectively improved in equipment for gasification in coal ash of silane agent, thus improve
The ash fusion point of coal, efficiently avoid coal ash particle in certain temperature range and mutually bonds slagging scorification, thus avoid fluidisation shape
Condition is not good enough, deslagging is difficult or the phenomenon such as defluidization, it is ensured that the continuous and steady operation of gasification, significantly widens gasifying process
The coal scope of application.
It should be noted that the coal gasification method that the embodiment of the present invention provides, it is also suitable under conditions of catalyst exists.
I.e. in the coal described in step S2 and gasifying agent in equipment for gasification before generating gasification reaction, described method also includes:
S1-1, supply catalyst in equipment for gasification.
It is to say, the method is also applied for the catalytic gasification process of coal.Wherein, step S1 and step S1-1 can be simultaneously
Occur, i.e. can coal, gasifying agent, the lime-ash containing silicoaluminate, catalyst be fed in equipment for gasification simultaneously.
Owing to lime-ash is high-temperature product, component is the most stable, and under conditions of catalyst exists, lime-ash is not easy to same catalyst
Component reaction, thus catalysis gasification technique catalytic performance, gasification reactivity and catalyst are reclaimed and also will not by the interpolation of lime-ash
Cause adverse consequences.
Specifically, the catalyst described in the embodiment of the present invention can be the compound etc. of alkali metal, alkaline-earth metal etc..Described
Coal be the coal that in clinker(ing) coal kind, preferably ash, sial content is relatively low, iron content is higher, can be such as brown coal, bituminous coal, secondary
Bituminous coal or anthracite etc..
Lime-ash used in the embodiment of the present invention, can be lime-ash produced by any technical process, if its rich in
Silicoaluminate, this is not construed as limiting by the embodiment of the present invention, such as can be produced by coal gasification course, steelmaking process etc.
Lime-ash.The lime-ash containing silicoaluminate described in the embodiment of the present invention can also with natural aluminosilicate system nonmetallic ore (such as
Clay, Kaolin, bentonite etc.), rich in sial spoil mine tailing, high sial river silt sand etc. replaces, as long as it is rich in silicon
Aluminium compound.
Wherein, in lime-ash, the content of silicoaluminate can be more than or equal to 40wt%, preferably greater than or equal to 50wt%, such as
Can be 40wt%, 50wt%, 60wt%, 70wt%, 80wt% or 90wt%.
The particle size range of lime-ash is identical with the particle size range of the coal used in gasification.Such as, in gasifying process, coal
Particle size range can be 0.01～10mm, preferably 0.01～6mm, more preferably 0.01～2mm, therefore, lime-ash
Particle diameter can be 0.01～10mm, it is therefore preferable to 0.01～6mm, is further preferably 0.01～2mm, such as, and putting down of lime-ash
All particle diameter can be 0.01mm, 0.05mm, 0.1mm, 0.3mm, 0.5mm, 0.8mm, 1mm, 1.5mm, 1.9mm, 2mm, 3mm,
4mm, 5mm, 6mm, 7mm, 8mm, 9mm or 10mm.
It should be noted that the material in equipment for gasification is in fluid mapper process, the relatively big then minimum fluidization velocity of grain diameter
The biggest；Before coal particle fluidizes, along with the increase of gasifying agent, bigger granule is easily deposited on bottom bed, and lighter
Granule can be brought to bed top, obvious granule segregation phenomenon occurs.In the embodiment of the present invention, due to the particle size range of lime-ash
Identical with the particle size range of coal, therefore, the hybrid particles of lime-ash and coal is when common fluidisation, and lime-ash can be good with coal particle particle diameter
Coupling, can the most uniformly mix in gasification, without occurring layering to separate out, thus be effectively improved gasification
The ash fusion point of coal in equipment, it is to avoid coal ash particle mutually bonds slagging scorification.
Specifically, by controlling the addition of lime-ash, sial content in coal ash can be effectively improved in equipment for gasification and enter
And improve the ash fusion point of clinker(ing) coal kind, such as, the addition of lime-ash can be the gross mass of the coal used in gasification
0.01～20%, preferably 1～10%, more preferably 2～6%, such as 0.01%, 1%, 2%, 3%, 4%, 5%,
6%, 7%, 8%, 9%, 10%, 12%, 15%, 17% or 20%.
In the embodiment of the present invention, gasifying agent used can be superheated steam；Or, gasifying agent except include vapours it
Outward, it is also possible to include at least one in carbon monoxide, hydrogen, oxygen and carbon dioxide.
In the embodiment of the present invention, the addition of lime-ash, it is greatly improved the ash fusion point of gasified raw material coal, makes the temperature of gasification reaction
Degree operating range broadens, such as when there being catalyst to participate in reaction, and can be by catalytic gasification reaction temperature by 600～700 DEG C of changes
It is 600～800 DEG C, therefore, gasification temperature can be properly increased in rational technology temperature range, and then gas can be effectively improved
Change efficiency and efficiency of carbon con version.
It should be noted that in the embodiment of the present invention, described in above-mentioned steps S1 by coal, gasifying agent and containing sial chemical combination
The lime-ash of thing specifically may include that in being fed to equipment for gasification
Coal is mixed homogeneously with the lime-ash containing silicoaluminate in mixing arrangement, then mixture is fed to gasification
In equipment, or coal, lime-ash containing silicoaluminate are direct supplied in equipment for gasification respectively；
Gasifying agent is fed in equipment for gasification.
It is to say, in the embodiment of the present invention, after can first coal being mixed homogeneously with lime-ash, then add gasification together to and set
In Bei, it is also possible to respectively coal, lime-ash are separately added in equipment for gasification, and it is mutually mixed under the airflow function of gasifying agent all
Even.Owing to the particle size range of lime-ash and the particle size range of coal are identical, therefore, no matter using which kind of hybrid mode, both of which can be filled
Divide uniformly mixing, and in gasification, do not have the phenomenons such as layering precipitation such that it is able to be effectively improved in equipment for gasification
The ash fusion point of coal.
When there being catalyst to participate in, can first catalyst be supported on coal, after mixing homogeneously with lime-ash the most again together with
Add in equipment for gasification, or by being loaded with the coal of catalyst, lime-ash is added separately in equipment for gasification；Can also directly by
Catalyst, coal add in equipment for gasification together with after lime-ash mix homogeneously, or catalyst, coal and lime-ash are individually added respectively
It is added in equipment for gasification, and is mutually mixed under the airflow function of gasifying agent uniformly.It is to say, can not first catalyst be born
It is loaded on coal, but catalyst is directly added together with coal.
In detail, as in figure 2 it is shown, in standby coal measures system 11, coal a ' is broken, screening, obtain the coal of certain grain size distribution
Powder a, such as, the particle size range of coal can be 0.01～10mm, preferably 0.01～6mm, more preferably 0.01～2mm；
The aqueous solution b of coal dust with a certain amount of catalyst or catalyst is carried out catalyst load in catalyst-supported units 12, catalysis
The mass ratio of agent b and coal dust a can be 0.01～0.3:1, and then the wet coal dust prepared is existed by preferably 0.05～0.2:1
Drying system 13 is dried.
Carry out lime-ash crushing, be dried, sieve pretreatment, obtain particle diameter and be 0.01～10mm, be preferably 0.01～2mm
Lime-ash c；The dried coal a+b being loaded with catalyst is uniformly mixed in mixing arrangement 14 with lime-ash c, then by mixture
A+b+c add transformation hopper (not shown), through high pressure feed bin (not shown), under the effect of dispenser (not shown) add gasification
Equipment 15；Then gasifying agent d is inputted to equipment for gasification 15, to carry out gasification reaction；Gaseous product e after gasification is at isolation of purified
Obtaining the product gas f rich in methane through gas solid separation, purified treatment etc. in system 16, reacted solid residue g is through catalyst
Recovery unit 17 carries out catalyst recovery, and the catalyst b after recovery can be passed through catalyst-supported units 12 to be carried out next time
The load of catalyst.
Or, as shown in Figure 3, it is also possible to the dried coal a+b being loaded with catalyst is directly added into respectively with lime-ash c
To equipment for gasification 15, the most dried coal a+b being loaded with catalyst is separately added to through a channel feed system respectively with lime-ash c
Equipment for gasification 15 so that it is mix homogeneously under the airflow function of gasifying agent d, so, it is also possible to save mixing arrangement 14.Fig. 3 institute
In the embodiment shown, other technological processes are identical with the technological process of the embodiment shown in Fig. 2, and the embodiment of the present invention is to this no longer
Repeat to repeat.
Specifically, the equipment for gasification described in the embodiment of the present invention can be fluidized-bed gasification furnace；Catalyst-supported units is
The equipment of catalyst load can be carried out, such as the blender etc. of band stirring；Mixing arrangement is for can will be loaded with catalyst
Coal and the well-mixed device of lime-ash, be such as agitator tank, fluid bed etc.；Transformation hopper, high pressure feed bin and dispenser are for urging
Feed arrangement conventional during activating QI；Isolation of purified system is mainly used in the product after gasifying coal dust, the coal carried
The dust-filterings such as ash and catalyst get off, and the product after gasification is carried out gas purification separation, to remove sour gas, and tool
Body ground, isolation of purified system can include gas solid separation system such as multi-cyclone and cleaning treatment system；Catalysis
Agent recovery unit essentially consists in and reacted solid residue is carried out catalyst recovery, and to reduce cost, such as this catalyst returns
Receive unit to include water washing tank, clear up still etc..
The advantage of the embodiment of the present invention will be described by specific experiment data analysis below.
Using coal 1 as experimental analysis raw material, first it is carried out coal analysis, be shown in Table 1, wherein, table 1a is coal 1
Industrial Analysis, elementary analysis；Table 1b is the ash component analysis of coal 1.
Table 1a
Remarks: in table 1a, MadRepresent moisture under air drying condition；AadRepresent ash under air drying condition to contain
Amount；VadRepresent volatile matter content under air drying condition；FCadRepresent fixed carbon content under air drying condition；CdRepresent and be dried
Under the conditions of carbon element content；HdRepresent protium content under drying condition；NdRepresent nitrogen element content under drying condition；SdRepresent
Sulfur content under drying condition.
Table 1b
The ash component of lime-ash is analyzed, is shown in Table 2.
Table 2
Carry out coal 1 pulverizing, screening processes, and obtains the coal dust of 40～80 mesh, these coal dusts are divided into three parts, its
Middle portion is labeled as YL；Another part of coal dust is carried out catalyst load, and catalyst loading is the 10% of this part of quality of pc, dry
Dry, obtain gasified raw material, be labeled as YL-K；Last a coal dust is carried out catalyst load, and catalyst loading is this part of coal
The 10% of opaque amount, is dried, and then adds the lime-ash that particle diameter is 40～80 mesh, and the addition of lime-ash is this part of quality of pc
5%, mix homogeneously, obtain gasified raw material, be labeled as YL-T.Then use ash fusion point determination meter respectively to sample YL, YL-K,
YL-T carries out ash fusion point analysis.Analysis result is shown in Table 3:
Table 3
Visible, after adding catalyst, hence it is evident that reduce the deformation temperature of coal, softening temperature, hemispherical fusion temperature and flowing temperature,
After i.e. catalyst adds, the ash fusion point of coal substantially reduces；And after adding lime-ash, the deformation temperature of coal, softening temperature, hemispherical fusion temperature
And flowing temperature substantially rises, i.e. add lime-ash and be effectively improved the ash fusion point of coal.
Respectively sample YL, YL-K, YL-T are carried out in equipment for gasification fluidized-bed reactor gasification reaction, wherein, gasification
During reaction, in fluidized-bed reactor pressure be 3.5MPa, temperature be 700 DEG C, gasifying agent use steam, steam is with coal dust matter
Amount is 1.5:1 than controlling, and after reaction, sample YL is still graininess, non-slagging scorification；Sample YL-K Serious Slagging；And YL-T does not has yet
Slagging scorification.
Therefore, from the above in lime-ash rich in sial can be effectively improved in coal ash sial content and then improve easily
The ash fusion point of slagging scorification coal, can reach to avoid in certain temperature range operation the purpose of slagging scorification, effectively widen technique coal
The suitability, thus ensure that gasification reaction can stably be carried out.
Carry out coal 1 pulverizing, screening processes, and obtains the coal dust of 40～80 mesh, these coal dusts are divided into three parts, will
A copy of it coal dust carries out catalyst load, and catalyst is potassium carbonate, and addition is the 10% of this part of quality of pc, is dried,
To gasified raw material, it is labeled as raw material 1；Another part of coal dust is carried out catalyst load, and catalyst is potassium carbonate, and addition is this part
The 10% of quality of pc, is dried, and then adds the lime-ash that particle diameter is 40～80 mesh, and the addition of lime-ash is this part of quality of pc
5%, mix homogeneously, obtain gasified raw material, be labeled as raw material 2；Last a coal dust is carried out catalyst load, and catalyst is carbon
Acid potassium, addition is the 10% of this part of quality of pc, is dried, and then adds the aluminium sesquioxide that particle diameter is 40～80 mesh, three oxygen
Change addition is this part of quality of pc the 5% of two aluminum, mix homogeneously, obtain gasified raw material, be labeled as raw material 3.
Reactivity during contrast raw material 1,2,3 catalytic gasification, and the lime-ash produced after reaction is carried out catalyst
Reclaim, add the impact on catalyst recovery yield with investigate lime-ash and aluminium sesquioxide.
Raw material 1,2,3 carries out gasification assessment experiment in a fluidized bed reactor, and wherein, during gasification reaction, fluid bed is anti-
To answer pressure in device be 3.5MPa, temperature is 700 DEG C, and gasifying agent uses steam, and steam is 1.5 with quality of pc than control:
1.Reacted the results are shown in Table 4:
Table 4
Remarks: in table 4, washing is after catalyst recovery yield refers to that gasification reaction terminates, carry out the lime-ash of generation washing with
Reclaiming soluble catalyst, the ratio of the catalyst added when the catalyst of recovery loads with gasification reaction procatalyst is washed
Catalyst recovery yield.In the embodiment of the present invention, washing catalyst recovery yield is used for the interpolation investigating lime-ash to catalyst recovery
Impact.
As shown in Table 4, after adding lime-ash, efficiency of carbon con version is the most stable, is risen to 80% by 78%, and washing catalyst reclaims
Rate slightly improves, and is risen to 80% by 75%, and avoids the slagging scorification in course of reaction.Therefore, add in gasified raw material coal
Add lime-ash, it is possible to utilize in lime-ash rich in the component such as sial to the sial content improving in coal ash, and then improve the ash of coal
Fusing point, efficiently avoid coal ash particle and mutually bonds slagging scorification；Further, owing to lime-ash is high-temperature product, component is the most stable, no
Easily react with catalytic component, catalysis gasification technique catalytic performance, gasification reactivity and catalyst are reclaimed and does not also result in
Adverse consequences.
But, when adding aluminium sesquioxide, efficiency of carbon con version is reduced to 70% by 78%, washing catalyst recovery yield by
75% is reduced to 60%, it is seen then that although the interpolation of aluminium sesquioxide can improve coal clogging problems, but to gasification reactivity and urge
It is bigger that agent reclaims impact.This potassium salt catalyst being likely to be due in aluminium sesquioxide and coal add react generate insoluble
Property compound potassium aluminosilicate, causes catalyst catalytic performance to reduce, coal gasification activity decrease, meanwhile, and insoluble compound silicon
Potassium aluminate is also greatly reduced washing catalyst recovery yield.
Summary, in the embodiment of the present invention, adds lime-ash in gasified raw material coal, and the ash being effectively improved coal melts
Point, it is to avoid coal ash particle mutually bonds slagging scorification, and to catalysis gasification technique catalytic performance, gasification reactivity and catalyst
Reclaim and also do not result in adverse consequences, and lime-ash is less expensive, therefore, the interpolation of lime-ash, can be with relatively low cost-effective
Ground solves lime-ash clogging problems, economical and practical, is suitable to industrial applications, say, that the embodiment of the present invention is for solving catalysis gas
The clogging problems that metallization processes exists provides a kind of simple economy, general feasible efficient Anti-slagging agent.
The coal gasification method that the embodiment of the present invention provides, with the addition of a certain amount of containing silicoaluminate in equipment for gasification
Lime-ash, in lime-ash rich in the sial content that is effectively improved in equipment for gasification in coal ash of silane agent, thus improve
The ash fusion point of coal, efficiently avoid coal ash particle in certain temperature range and mutually bonds slagging scorification, thus avoid fluidisation shape
Condition is not good enough, deslagging is difficult or the phenomenon such as defluidization, it is ensured that the continuous and steady operation of gasification, significantly widens catalytic gasification work
The coal scope of application of skill.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with scope of the claims.
Claims (9)
1. a coal gasification method, it is characterised in that including:
The lime-ash containing silicoaluminate that coal, catalyst, gasifying agent and steelmaking process or coal gasification course produce is fed to
In equipment for gasification；
Described coal and described gasifying agent be generating gasification reaction in described equipment for gasification, and the reaction temperature of described gasification reaction is
600～800 DEG C.
Coal gasification method the most according to claim 1, it is characterised in that in described lime-ash, the content of silicoaluminate is more than
Equal to 40wt%.
Coal gasification method the most according to claim 1, it is characterised in that the particle size range of described lime-ash and the grain of described coal
Footpath scope is identical.
Coal gasification method the most according to claim 3, it is characterised in that the particle diameter of described lime-ash is 0.01～10mm.
Coal gasification method the most according to claim 4, it is characterised in that the particle diameter of described lime-ash is 0.01～2mm.
Coal gasification method the most according to claim 1, it is characterised in that the addition of described lime-ash is total matter of described coal
The 0.01～20% of amount.
Coal gasification method the most according to claim 6, it is characterised in that the addition of described lime-ash is total matter of described coal
The 2～6% of amount.
Coal gasification method the most according to claim 1, it is characterised in that described coal is clinker(ing) coal kind.
9. according to the coal gasification method described in any one of claim 1～8, it is characterised in that described by coal, catalyst, gasification
The lime-ash containing silicoaluminate that agent and steelmaking process or coal gasification course produce specifically includes in being fed to equipment for gasification:
The lime-ash containing silicoaluminate that coal produces with steelmaking process or coal gasification course is mixed homogeneously in mixing arrangement,
Then mixture is fed in equipment for gasification, or by coal, steelmaking process or coal gasification course produce containing sial chemical combination
The lime-ash of thing direct supplies in equipment for gasification respectively；
Gasifying agent is fed in equipment for gasification.
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| CN104263416A (en) * | 2014-10-16 | 2015-01-07 | 中国科学院山西煤炭化学研究所 | Method for preventing slagging of catalytic gasification furnace |
| CN104449865A (en) * | 2014-10-16 | 2015-03-25 | 中国科学院山西煤炭化学研究所 | Method for improving catalytic coal gasification activity and catalyst recovery rate |
| CN104449866A (en) * | 2014-10-16 | 2015-03-25 | 中国科学院山西煤炭化学研究所 | Method for using low-ash-fusing-point coal for catalytic gasification |
| CN105001914B (en) * | 2015-07-06 | 2017-08-01 | 开滦（集团）有限责任公司 | Coking dedusting ash mixes the method that coal gasifies altogether |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101111590A (en) * | 2005-02-01 | 2008-01-23 | 塞索鲁奇科技（特许）有限公司 | Method of operating a fixed bed dry bottom gasifier |
| CN101580751A (en) * | 2009-06-24 | 2009-11-18 | 淮南师范学院 | Fusing assistant for lowering coal ash fusion temperature and preparation method thereof |
| US20110120013A1 (en) * | 2008-07-25 | 2011-05-26 | Johannes Christoffel Van Dyk | Gasification of coal |
| CN102977953A (en) * | 2012-12-07 | 2013-03-20 | 贵州金赤化工有限责任公司 | Anthracite coal water slurry for coal gasification and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103087778B (en) * | 2013-01-28 | 2014-11-05 | 新奥科技发展有限公司 | Jet pipe, fluidized bed reactor with jet pipe and coal catalyzing and gasifying method |
-
2014
- 2014-05-16 CN CN201410209670.4A patent/CN103992821B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101111590A (en) * | 2005-02-01 | 2008-01-23 | 塞索鲁奇科技（特许）有限公司 | Method of operating a fixed bed dry bottom gasifier |
| US20110120013A1 (en) * | 2008-07-25 | 2011-05-26 | Johannes Christoffel Van Dyk | Gasification of coal |
| CN101580751A (en) * | 2009-06-24 | 2009-11-18 | 淮南师范学院 | Fusing assistant for lowering coal ash fusion temperature and preparation method thereof |
| CN102977953A (en) * | 2012-12-07 | 2013-03-20 | 贵州金赤化工有限责任公司 | Anthracite coal water slurry for coal gasification and preparation method thereof |
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| CN103992821A (en) | 2014-08-20 |
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