CN108485739A - A kind of coal production method and device - Google Patents
A kind of coal production method and device Download PDFInfo
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- CN108485739A CN108485739A CN201810445856.8A CN201810445856A CN108485739A CN 108485739 A CN108485739 A CN 108485739A CN 201810445856 A CN201810445856 A CN 201810445856A CN 108485739 A CN108485739 A CN 108485739A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
- C10L1/322—Coal-oil suspensions
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- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The present invention discloses a kind of coal production method and device, described device includes the shearing mineralizer for carrying out being mixed to get mixed raw material water-coal-slurry raw material with oily raw material and air raw material, for the mixed raw material to be carried out water phase, separation of oil obtains the grease phase separator of oil phase material, and the oil phase precipitation tank of coal is obtained for being precipitated the oil phase material；The shearing mineralizer, grease phase separator and oil phase precipitation tank are sequentially communicated by pipeline.The present invention utilizes the difference of surface hydrophilicity between the carbonaceous particle in water-coal-slurry and ash particles, wherein carbonaceous particle oleophilic drainage, ash particles are hydrophilic and oleophobic, water-coal-slurry raw material and oily raw material and air raw material are passed through in shearing mineralizer and are stirred, so that oily raw material replaces the water phase on carbonaceous particle surface automatically, to generate coal, the invention avoids water-coal-slurry thickening processes, to save the energy for being largely used to prepare dry coal dust.
Description
Technical field
The present invention relates to coal field more particularly to a kind of coal production method and devices.
Background technology
Existing common coal preparation method is that coal dust and solvent naphtha are respectively added in blender, then passes through machine
The mode that tool stirred or be bubbled stirring is mixed.In mixed process, the thinner coal dust of granularity, especially granularity are less than 150 μ
, easily there is the phenomenon that particle agglomeration during being mixed with solvent naphtha in the pulverized coal particle of m, causes liquid oil phase can only be in coal
Granular powder surface is dissolved, and cannot be impregnated into inside particle, and then the well-mixed purpose of solid-liquid is not achieved.
Meanwhile the coal particle water content prepared by existing method for floating is about 70wt.%, conventional method is using this water
When coal slurry raw material prepares coal, it usually needs water-coal-slurry progress thickening is handled, dry coal dust is made, however institute
It states thickening process to need to consume a large amount of energy, is not suitable for industrial production.
Therefore, the existing technology needs to be improved and developed.
Invention content
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of coal production method and device,
Aim to solve the problem that the larger and small grain size carbonaceous particle of existing coal preparation method energy consumption is difficult to be fully dispersed in oil solvent and shape
The problem of at uniform coal.
Technical scheme is as follows：
A kind of coal process units, wherein including being used to mix water-coal-slurry raw material with oily raw material and air raw material
The shearing mineralizer of mixed raw material is obtained, for the mixed raw material to be carried out water phase, separation of oil obtains the oil of oil phase material
Aqueous phase separation device obtains the oil phase precipitation tank of coal for being precipitated the oil phase material；The shearing mineralizer, oil
Aqueous phase separation device and oil phase precipitation tank are sequentially communicated by pipeline.
The coal process units, wherein the shearing mineralizer includes that several are sequentially communicated by pipeline
Shear mixer unit, the shear mixer unit bottom is both provided with trepanning, and the shear mixer unit passes through institute
Trepanning is stated to be connected to the microbubble generator for input air raw material.
The coal process units, wherein the shearing mineralizer include three be sequentially communicated by pipeline the
One shear mixer unit, the second shear mixer unit and third shear mixer unit, the first shear mixer list
First side upper end is provided with the water phase feed inlet for inputting water-coal-slurry raw material and the oil phase feed inlet for inputting oily raw material,
The first shear mixer unit side lower end is provided with the first discharge port for exporting mixed raw material, second shearing
Mixer unit side lower end is provided with the second charging aperture that pipeline is connected to first discharge port, second shearing
Mixer unit side upper end is provided with the second discharge port for exporting mixed raw material；The third shear mixer cell side
Face upper end is provided with the third feed inlet that pipeline is connected to second discharge port, the third shear mixer cell side
Face lower end is provided with the third discharge port for exporting mixed raw material, and the third discharge port passes through pipeline and the grease phase point
It is connected to from device；The bottom of the first shear mixer unit, the second shear mixer unit and third shear mixer unit
It is both provided with trepanning, and the first shear mixer unit, the second shear mixer unit and third shear mixer unit
It is connected to the microbubble generator for input air raw material by respective trepanning.
The coal process units, wherein the grease phase separator include several separation for being sequentially communicated every
The bottom of room, the separate compartment is both provided with water phase discharge port.
The coal process units, wherein the grease phase separator includes three the first separation being sequentially communicated
Compartment, the second separate compartment and third separate compartment, the side upper end of first separate compartment be provided with mixed raw material into
Mouth end, is provided with first through hole, second separate compartment and third between first separate compartment and the second separate compartment
The second through-hole is provided between separate compartment, the side upper end of the third separate compartment is additionally provided with oil phase discharge port, described
The height of oil phase discharge port is less than the height of second through-hole, and the height of second through-hole is less than the height of the first through hole
Degree；The bottom of first separate compartment, the second separate compartment and third separate compartment is both provided with water phase discharge port.
A kind of coal production method, wherein including step：
Water-coal-slurry raw material and oily raw material and air raw material are passed through in shearing mineralizer, under being stirred of shearing mineralizer
Obtain mixed raw material；
The mixed raw material is passed through in grease phase separator, standing separation obtains oil phase material and water phase material；
The oil phase material is passed through oil phase precipitation tank, staticly settles to obtain coal.
The coal production method, wherein in the step of water-coal-slurry raw material is passed through shearing mineralizer with oily raw material
In, the weight ratio that the water-coal-slurry raw material and oily raw material is added is 1:0.1-8.
The coal production method, wherein the mixing speed of the shearing mineralizer is 300-3000rpm.
The coal production method, wherein time of repose of the mixed raw material in grease phase separator be
0.5-9h。
The coal production method, wherein in the step of oil phase material is passed through to oil phase precipitation tank, further include：
Precipitating reagent is added in the oil phase precipitation tank, the precipitating reagent is polyacrylamide, hydroxymethyl cellulose, sulfomethylated lignin
It is one or more in hydrochlorate and naphthalene sulfonate.
Advantageous effect：The present invention utilizes the difference of surface hydrophilicity between the carbonaceous particle in water-coal-slurry coal particle and ash particles
Different, wherein carbonaceous particle oleophilic drainage, ash particles are hydrophilic and oleophobic, and water-coal-slurry raw material and oily raw material and air raw material are passed through
It is stirred in shearing mineralizer so that oily raw material replaces the water phase on carbonaceous particle surface automatically, to generate coal.This hair
The coal preparation method of bright offer avoids water-coal-slurry thickening process, is largely used to prepare dry coal dust to save
Energy；The hydrophilic and oleophobic characteristic of carbonaceous hydrophobic oleophilic oil, ash content is utilized simultaneously so that content of ashes obtains to a certain extent in coal
It reduces.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of coal process units preferred embodiment of the present invention.
Fig. 2 is the structural schematic diagram of present invention shearing mineralizer preferred embodiment.
Fig. 3 is the structural schematic diagram of grease phase separator preferred embodiment of the present invention.
Specific implementation mode
A kind of coal production method of present invention offer and device, to make the purpose of the present invention, technical solution and effect more
Add clear, clear, the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of coal process units preferred embodiment provided by the invention,
As shown, described device includes for carrying out water-coal-slurry raw material and oily raw material and air raw material to be mixed to get mixed raw material
Shearing mineralizer 100, obtain the grease phase separator of oil phase material for the mixed raw material to be carried out water phase, separation of oil
200, obtain the oil phase precipitation tank 300 of coal product for being precipitated the oil phase material；The shearing mineralizer
100, grease phase separator 200 and oil phase precipitation tank 300 are sequentially communicated by pipeline.
Specifically, the shearing mineralizer is mainly used for filling water-coal-slurry raw material and oily raw material and air raw material
Divide and be stirred, the shearing mineralizer includes the shear mixer unit that several are sequentially communicated by pipeline, each to shear
Agitating paddle is both provided with inside mixer unit, the agitating paddle is respectively independent to be electrically connected with a motor, and each shearing is mixed
Clutch unit bottom is both provided with trepanning, and the shear mixer unit is by the trepanning and for input air raw material
Microbubble generator is connected to.
Preferably, the mixing speed of the shearing mineralizer is 300-3000rpm, and under the mixing speed, the oil is former
Material comes into full contact with water-coal-slurry raw material to be mixed.
As a wherein specific implementation mode, as depicted in figs. 1 and 2, the shearing mineralizer 100 passes through pipe including three
The first shear mixer unit 110, the second shear mixer unit 120 and the third shear mixer unit that road is sequentially communicated
130, the 110 side upper end of the first shear mixer unit is provided with the water phase feed inlet 111 for inputting water-coal-slurry raw material
And the oil phase feed inlet 112 for inputting oily raw material, the 110 side lower end of the first shear mixer unit, which is provided with, to be used for
Export mixed raw material the first discharge port 113, the 120 side lower end of the second shear mixer unit be provided with pipeline with
The second charging aperture 121 that first discharge port 113 is connected to, the second shear mixer unit side upper end, which is provided with, to be used for
Export the second discharge port 122 of mixed raw material；The 130 side upper end of third shear mixer unit be provided with pipeline with
The third feed inlet 131 that second discharge port 122 is connected to, the third shear mixer unit side lower end, which is provided with, to be used for
The third discharge port 132 of mixed raw material is exported, the third discharge port 132 is connected by pipeline and the grease phase separator 200
It is logical；The bottom of the first shear mixer unit 110, the second shear mixer unit 120 and third shear mixer unit 130
Portion is both provided with trepanning 140, and the first shear mixer unit 110, the second shear mixer unit 120 are sheared with third
Mixer unit 130 is connected to by respective trepanning with the microbubble generator 400 for input air raw material.
Preferably, as shown in Figure 1, in this embodiment, the water-coal-slurry raw material is stored in coal water slurry storage tank 10, institute
It states and is provided with a delivery pump between coal water slurry storage tank and the shearing mineralizer；The oil has raw material to be stored in oil product storage tank 20
In, it is also equipped with a delivery pump between the oil product storage tank and the shearing mineralizer；The water-coal-slurry raw material and oily raw material are equal
By respective delivery pump respectively from being transported in water-coal-slurry raw material storage tank and oil product storage tank in the shearing mineralizer, stirred
Mix mixing.
Water-coal-slurry raw material and oily raw material and air raw material are passed through in shear mixer by the present invention, are stirred and are mixed
Material is closed, when the shear mixer unit starting stirs, the microbubble generator starts from the shear mixer list
First bottom is passed through air raw material and generates microbubble, in agitating paddle high shear agitation and there are under conditions of a large amount of bubbles, profit
With the hydrophilic sex differernce of carbonaceous particle in coal particle and grey matter particle surface, the carbonaceous in the water-coal-slurry raw material is adhered to oil phase
In microbubble surface, and the ash content in water-coal-slurry raw material then enters water phase, and the ash content in water-coal-slurry raw material is obtained with carbonaceous at this time
It is partially separated.
Preferably, in the present invention, the water-coal-slurry raw material includes the carbonaceous particle of 50-75wt.%, the ash of 0-30wt.%
Point, the water of 20-40wt.%, the granularity of the carbonaceous particle and ash particles is 200 microns hereinafter, it is preferred that 100 microns or less.
Preferably, the oily raw material be residual oil, it is petroleum crude oil, heavy oil, shale oil, coal tar, biological liquefaction, industrial
Oil, waste edible oil, it is one or more in toluene and benzene, but not limited to this.
Further, the present invention is preferably 1 according to water-coal-slurry raw material and oily raw material weight ratio:The ratio of 0.1-8 is by water-coal-slurry
Raw material and oily raw material are passed through in shear mixer, when water-coal-slurry raw material and the weight ratio of oily raw material are higher than 1:When 0.1, then oily raw material
Weight ratio relative to carbonaceous in water-coal-slurry raw material reduces, i.e., the weight ratio of carbonaceous increases in oil phase material, this will cause
Carbonaceous in water-coal-slurry raw material is unable to fully be distributed in oil phase, and the mobility of obtained oil phase material is significantly reduced；
When water-coal-slurry raw material and the weight ratio of oily raw material are less than 1:When 8, then weight ratio of the oily raw material relative to carbonaceous in water-coal-slurry raw material
Example increases, i.e., the weight ratio of carbonaceous reduces in oil phase material, this will cause recycle oil raw material flow in subsequent technique to rise, and add
Big system energy consumption.
With oily raw material it is 1 according to weight ratio by water-coal-slurry raw material as a wherein specific implementation mode：The ratio of 0.1-8
Be passed through it is above-mentioned by three the first shear mixer units 110 being sequentially communicated by pipeline, the second shear mixer unit 120 with
In the shearing mineralizer that third shear mixer unit 130 forms, the air raw material is at the bottom of three shear mixer units
Portion enters, and generates the microbubble that grain size is less than 1cm by microbubble generator, the water-coal-slurry raw material and oily raw material are above-mentioned three
The time being stirred in a shear mixer unit is 0.5-3 hours, and the carbonaceous in the water-coal-slurry raw material is dredged due to it
Water oil-wet behavior enters in oil phase, and the ash content in water-coal-slurry raw material is then since its hydrophilic oil transportation characteristic enters water phase, by more
After grade is stirred, carbonaceous and ash content in the water-coal-slurry raw material are partially separated.
Preferably, in the coal process units, the grease phase separator includes several points being sequentially communicated
From compartment, the bottom of the separate compartment is both provided with water phase discharge port.
As a wherein specific implementation mode, as shown in figures 1 and 3, the grease phase separator 200 include three successively
The first separate compartment 210, the second separate compartment 220 and the third separate compartment 230 of connection, first separate compartment 210
Side upper end be provided with mixed raw material input end 211, set between first separate compartment, 210 and second separate compartment 220
It is equipped with first through hole 212, the second through-hole 213, institute are provided between second separate compartment 220 and third separate compartment 230
The side upper end for stating third separate compartment 230 is additionally provided with oil phase discharge port 214, and the height of the oil phase discharge port 214 is less than
The height of second through-hole 213, the height of second through-hole 213 are less than the height of the first through hole 212；Described first
The bottom of separate compartment 210, the second separate compartment 220 and third separate compartment 230 is both provided with water phase discharge port 215.
Preferably, the height of the oil phase discharge port is lower 10-50cm than the height of second through-hole, second through-hole
Height it is lower 10-50cm than the height of the first through hole.
Specifically, the mixed raw material sheared in mineralizer is passed into the grease phase separator, the mixing is former
Material is being entered by mixed raw material input end 211 in the first separate compartment 210, after standing one end time, then is sequentially entered
Second separate compartment and third separate compartment, the mixed material are 0.5-3 in the residence time of above three separate compartment
Hour, in each separate compartment, utilize the hydrophilic and oleophobic characteristic of the characteristic and ash content of carbonaceous hydrophobic oleophilic oil, water-coal-slurry raw material
In carbonaceous and ash content can be redistributed in water phase and oil phase, be separated by the greases of multiple separate compartments, carbonaceous can be made
More with the separating effect of ash content, the final water phase material for being enriched with ash content is then from the water phase discharge port of each separate compartment bottom
It is flowed out in 215, the oil phase material for being enriched with carbonaceous is then flowed out from the oil phase discharge port 214 of third separate compartment.
Further, isolated oil phase material from the grease phase separator is passed into oil phase precipitation tank,
After standing 5-15min, precipitation obtains coal, and the coal contains the carbonaceous of 50-75wt.%, the oil phase of 20-40wt.%.
Preferably, it is the rapid subsidence of carbonaceous in promotion oil phase material, precipitating reagent is added in oil phase precipitation tank, it is described heavy
Shallow lake agent is one or more in polyacrylamide, hydroxymethyl cellulose, lignosulfonates and naphthalene sulfonate, but is not limited to
This.The precipitating reagent is that can mutually be leaned on elecrtonegativity carbonaceous particle in oil phase material with electropositive group
Closely, and the potential of carbonaceous particle is reduced, is at unstable state, then makes this using the aggregation property of the precipitating reagent
The carbonaceous particle to play pendulum a bit concentrates polymerization, to rapid subsidence.
Further, after the oil phase material staticly settles in oil phase precipitation tank, obtained coal product passes through defeated
It send pump to enter downstream process and carries out subsequent processing, remaining oil product is then recycled into shearing mine as oily raw material by delivery pump
Change in device.
Further, as shown in Figure 1, the water phase discharge port 215 of grease phase separator bottom passes through pipeline and one
Aqueous phase precipitation slot 500 is connected to, and the aqueous phase precipitation trench bottom is connected to by pipeline with a filter press 600.
It will be passed into the aqueous phase precipitation slot, stand from water phase material isolated in the grease phase separator
After 10-60min, nonaqueous phase solid precipitation is obtained（Including ash content）, the nonaqueous phase solid precipitation is entered described by pipeline
In filter press 600, the nonaqueous phase solid precipitation forms mud cake after filter press is handled；The water phase sinks remaining water in slot
Phase is then entered in shearing mineralizer by delivery pump and is recycled.
In conclusion the present invention provides a kind of coal production method, pass through water-coal-slurry original that will be from coal water slurry storage tank
Material, the oily raw material from oil product storage tank are sent through delivery pump pressurization into shearing mineralizer respectively, will be empty by microbubble generator
Gas raw material input shearing mineralizer, three is sufficiently mixed in the shearing mineralizer；In grease phase separator, due to oil
Phase, the density contrast of water phase and the carbonaceous in water-coal-slurry coal component and ash content（Mineralizer）Hydrophilic gender gap（The hydrophobic parent of carbonaceous
Oil, ash content are hydrophilic and oleophobic）So that material is divided into water phase and oil phase two-phase in grease phase separator, while carbonaceous enters oil phase, ash
Divide and enters water phase.The oil phase material detached in oil water separator then enters the isolated coal product of oil phase precipitation tank and oil
Product, coal product enter downstream process and are further processed, the oil product be then pumped to after delivery pump pressurizes oil product storage tank into
One step uses；The water phase material detached in oil water separator then enters recycling recirculated water and ash in aqueous phase precipitation slot and pressure filter
Point, the recirculated water of recycling prepares water-coal-slurry through the supreme journey of swimming across of pump pressurization pumping.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of coal process units, which is characterized in that including being used for water-coal-slurry raw material and oily raw material and air raw material
The shearing mineralizer for being mixed to get mixed raw material is carried out, for the mixed raw material to be carried out water phase, separation of oil obtains oil phase
The grease phase separator of material obtains the oil phase precipitation tank of coal for being precipitated the oil phase material；The shearing
Mineralizer, grease phase separator and oil phase precipitation tank are sequentially communicated by pipeline.
2. coal process units according to claim 1, which is characterized in that the shearing mineralizer includes that several are logical
The shear mixer unit that piping is sequentially communicated, the shear mixer unit bottom are both provided with trepanning, and the shearing
Mixer unit is connected to by the trepanning with the microbubble generator for input air raw material.
3. coal process units according to claim 1, which is characterized in that the shearing mineralizer passes through including three
The first shear mixer unit, the second shear mixer unit and the third shear mixer unit that pipeline is sequentially communicated, it is described
First shear mixer unit side upper end is provided with water phase feed inlet for inputting water-coal-slurry raw material and for inputting oil
The oil phase feed inlet of raw material, the first shear mixer unit side lower end is provided with to be gone out for exporting the first of mixed raw material
Material mouth, the second shear mixer unit side lower end be provided with that pipeline is connected to first discharge port second into
Material mouth, the second shear mixer unit side upper end are provided with the second discharge port for exporting mixed raw material；Described
Three shear mixer unit sides upper end are provided with the third feed inlet that pipeline is connected to second discharge port, and described
Three shear mixer unit sides lower end are provided with the third discharge port for exporting mixed raw material, and the third discharge port passes through
Pipeline is connected to the grease phase separator；The first shear mixer unit, the second shear mixer unit and third are cut
The bottom for cutting mixer unit is both provided with trepanning, and the first shear mixer unit, the second shear mixer unit with
Third shear mixer unit is connected to by respective trepanning with the microbubble generator for input air raw material.
4. coal process units according to claim 1, which is characterized in that the grease phase separator includes connecting successively
The bottom of several logical separate compartments, the separate compartment is both provided with water phase discharge port.
5. coal process units according to claim 1, which is characterized in that the grease phase separator include three according to
The first separate compartment, the second separate compartment and the third separate compartment of secondary connection, the side upper end of first separate compartment
It is provided with mixed raw material input end, is provided with first through hole between first separate compartment and the second separate compartment, described
The second through-hole is provided between two separate compartments and third separate compartment, the side upper end of the third separate compartment is additionally provided with
Oil phase discharge port, the height of the oil phase discharge port are less than the height of second through-hole, and the height of second through-hole is less than
The height of the first through hole；The bottom of first separate compartment, the second separate compartment and third separate compartment is respectively provided with
There is water phase discharge port.
6. a kind of coal production method, which is characterized in that including step：
Water-coal-slurry raw material and oily raw material and air raw material are passed through in shearing mineralizer, under being stirred of shearing mineralizer
Obtain mixed raw material；
The mixed raw material is passed through in grease phase separator, standing separation obtains oil phase material and water phase material；
The oil phase material is passed through oil phase precipitation tank, staticly settles to obtain coal.
7. coal production method according to claim 6, which is characterized in that be passed through by water-coal-slurry raw material and oily raw material
In the step of shearing mineralizer, the weight ratio that the water-coal-slurry raw material and oily raw material is added is 1:0.1-8.
8. coal production method according to claim 6, which is characterized in that it is described shearing mineralizer mixing speed be
300-3000rpm。
9. coal production method according to claim 6, which is characterized in that the mixed raw material is in grease phase separator
In time of repose be 0.5-9h.
10. coal production method according to claim 6, which is characterized in that oil phase material is being passed through oil phase precipitation
In the step of slot, further include：
Precipitating reagent is added in the oil phase precipitation tank, the precipitating reagent is polyacrylamide, hydroxymethyl cellulose, sulfomethylated lignin
It is one or more in hydrochlorate and naphthalene sulfonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810445856.8A CN108485739B (en) | 2018-05-11 | 2018-05-11 | Method and device for producing oil coal slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810445856.8A CN108485739B (en) | 2018-05-11 | 2018-05-11 | Method and device for producing oil coal slurry |
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| Publication Number | Publication Date |
|---|---|
| CN108485739A true CN108485739A (en) | 2018-09-04 |
| CN108485739B CN108485739B (en) | 2020-05-19 |
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ID=63353863
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810445856.8A Active CN108485739B (en) | 2018-05-11 | 2018-05-11 | Method and device for producing oil coal slurry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110437894A (en) * | 2019-07-30 | 2019-11-12 | 深圳瑞科天启科技有限公司 | A kind of class I liquid I fuel of Diversity and preparation method thereof |
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|---|---|---|---|---|
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| JPS59193993A (en) * | 1983-04-19 | 1984-11-02 | Ube Ind Ltd | De-ashing device for coal |
| JPS59207990A (en) * | 1983-05-13 | 1984-11-26 | Mitsubishi Heavy Ind Ltd | Coal deashing |
| JPS6036595A (en) * | 1983-08-10 | 1985-02-25 | Hitachi Ltd | Coal granulation and removal of ash from coal |
| JPS62132999A (en) * | 1985-12-05 | 1987-06-16 | Mitsubishi Heavy Ind Ltd | Production of coal slurry |
| CN103550956A (en) * | 2013-11-01 | 2014-02-05 | 哈尔滨工业大学 | Simple oil-water separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57145185A (en) * | 1981-03-04 | 1982-09-08 | Hitachi Ltd | Coal deashing |
| JPS59193993A (en) * | 1983-04-19 | 1984-11-02 | Ube Ind Ltd | De-ashing device for coal |
| JPS59207990A (en) * | 1983-05-13 | 1984-11-26 | Mitsubishi Heavy Ind Ltd | Coal deashing |
| JPS6036595A (en) * | 1983-08-10 | 1985-02-25 | Hitachi Ltd | Coal granulation and removal of ash from coal |
| JPS62132999A (en) * | 1985-12-05 | 1987-06-16 | Mitsubishi Heavy Ind Ltd | Production of coal slurry |
| CN103550956A (en) * | 2013-11-01 | 2014-02-05 | 哈尔滨工业大学 | Simple oil-water separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110437894A (en) * | 2019-07-30 | 2019-11-12 | 深圳瑞科天启科技有限公司 | A kind of class I liquid I fuel of Diversity and preparation method thereof |
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| Publication number | Publication date |
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| CN108485739B (en) | 2020-05-19 |
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