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JPS58171486A |
For drying organic solid materials such as, for example, brown coals, these materials are, after preheating, treated with saturated steam under a pressure of 5 to 45 bar and at a temperature of 150 DEG to 260 DEG C. Prior to the subseque...
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JPS5844116B2 |
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JPS58164696A |
PURPOSE: To prepare high-quality coal with a high calorific value, by adding a mixture of silica, ferric oxide, magnessium, sodium nitrate and diatomaceous earth, followed by heat treatment. CONSTITUTION: A mixture of 20% silica, 20% fer...
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JPS58162695A |
PURPOSE: To reduce the amount of oil used and to carry out the ash removal treatment of coal efficiently and economically, by collecting an oil and powdered coal while adsorbing them on a hydrophilic fibrous member as a nucleus. CONSTITU...
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JPS58162694A |
PURPOSE: To reduce the amount of a low-boiling oil used, to carry out granulation in a short time, and to obtain economically ash removed coal having an extremely high ratio of ash removal, by using seed particles comprising a mixture of...
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JPS58162696A |
PURPOSE: A solid fuel having improved self-ignition properties, storage properties and combustion properties, containing a carbonaceous substance, a specific oxidizing agent, a sublimable organic substance, and a binder. CONSTITUTION: Th...
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JPS58149995A |
PURPOSE: To increase deashing and deashed coal recovery rates by controlling the bubble size of oil vapor froth within a specified range by adjusting the amt. of an added frother, peripheral speed of an atomizer, etc. in deashing coal by...
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JPS58128605U |
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JPS58128604U |
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JPS58145877A |
A sieve drum (2) for drying solid materials such as, for example, brown coal is rotatably supported for being rotated around its axis (8). A conveying screw (3) is arranged within the interior of the sieve drum and can be rotated indepen...
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JPS5839471B2 |
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JPS58142989A |
PURPOSE: To dry an organic solid material economically and efficiently, by premolding an organic solid material such as granular or powdery brown coal, etc. into larger granular state, sealing the premolded material in a pressure contain...
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JPS58142988A |
PURPOSE: To dehydrate brown coal with steam economically efficiently, by feeding hot water and saturated steam to plural pressure containers with changing the plural containers alternately or one after the other, sending partially formed...
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JPS58142991A |
PURPOSE: To carry out drying efficiently with lttle trouble in handling, by subjecting classified organic solid material such as brown coal, etc, to unsteamed dehydration with saturated steam, etc., passing super heated steam through it ...
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JPS58124449U |
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JPS5838227B2 |
PURPOSE:To carry out the titled treatment without damaging effective components by adding a high speed dehydration treating agent obtained by compounding powdery quick lime, silicic magnesia lime, carbonic lime, talc powder and neutral k...
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JPS58141295A |
PURPOSE: To enable reduction in the ash content of coal and removal of rust and scale formed on an internal surface of pipe as well as long-distance transportation of coal, by dispersing ash-containing pulverized coal in an aqueous solut...
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JPS5835239B2 |
A system for the safe handling of pulverized coal, which system includes conventional coal pulverizing and drying equipment, with cyclones and bag filters added, the latter serving to separate the fine coal from the conveying gas (usuall...
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JPS58127793A |
PURPOSE: To prepare low grade coal which is prevented from spontaneous ignition and is dehydrated at low cost, by spray coating dried low-grade coal in granules or in powder with a paste consisting of pulverized anthracite and water-solu...
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JPS58127794A |
PURPOSE: To prepare low-grade coal which is prevented from spontaneous ignition and is dehydrated at low cost, by fluidizing and drying low-grade coal in granules or in powder and then spray coating it with a thermosetting solution, foll...
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JPS58501183A |
A deashed coal-water slurry and process for preparing the same containing 65-85 percent of solids and 0.01-2.4 weight percent of dispersing agent. The slurry is comprised of a coal compact whose coal particles have a particle size distri...
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JPS58111896A |
PURPOSE: To prevent coal from being accumulated in stages and to efficiently dry coal, by providing each contrarotation plate with a contrarotation lever, and providing a guide plate under each stage at a position at which the guide plat...
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JPS58109594A |
PURPOSE: To thermally crack a hydrophilic functional group in low-carbonized coal and to dehydrate and granulate the low-carbonized coal, by treating the pulverized, low-carbonized coal in the coexistence of a binder and a surfactant at ...
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JPS58104986A |
PURPOSE: To obtain a formed coke of improved quality and productivity, with the advantage of using high-ash caking coal, etc., by blending a caking coal and a non- or sparingly caking coal, carrying out grinding followed by adding a bind...
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JPS5892352U |
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JPS58103592A |
PURPOSE: To increase the recovery rate of coal, by mixing an emulsion oil with a coal/water slurry and repeating an ultrasonic irradiation stage, a gas-introducing stage and a separation stage in the deashing of coal by an oil addition/ ...
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JPS58101195A |
PURPOSE: To improve the deashing efficiency of a coal, by sorting the coal having a high ash density before agitating the coal in water in granulating the coal in water. CONSTITUTION: Raw coal is introduced into a gravity concentration a...
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JPS58101194A |
PURPOSE: To improve the deashing efficiency of coal, by purging the interior of a dry mill in the finely pulverizing step of the coal in granulating the coal in water, and preventing the oxidation of the coal. CONSTITUTION: A coal 5 is i...
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JPS5898393A |
PURPOSE: To economically deash coal in the oil addition/granulation method by preliminarily separating roughly crushed coal into a low-ash floating material and a high-ash sediment by dense medium separation using a gravity liquid and pu...
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JPS5898396A |
PURPOSE: To deash coal in a shortened aggregation time, by combining floation with oil addition granulation, intoducing part of coal of a relatively large particle size separated in a floation plant into an aggregation vessel of an oil a...
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JPS5898397A |
PURPOSE: To deash coal in a shortened aggregation time, by pulverizing part of coal of a relatively large paticle size separated in a dense-medium separator as a nucleus in the granulation of pulverized coal and introducing it into an ag...
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JPS5898395A |
PURPOSE: To deash coal in a shortened granulation time in a small apparatus, by classifying roughly crushed coal into coarse coal, fine coal and pulverized coal, and using a granule obtd. by pulverzation, oil addition, granulation and de...
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JPS5898391A |
PURPOSE: To efficiently deash coal in a short time, by adding a small amt. of emulsion oil to an aq. slurry of crushed coal and forming an aggregate of the coal component and the oil by irradiation with a supersonic wave followed by agit...
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JPS5898394A |
PURPOSE: To deash coal efficiently, by a method wherein pulverized coal is subjected to dense medium separation and the obtd. floating material of low ash content is recovered as such as a product while the obtd. sediment containing conc...
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JPS5898392A |
PURPOSE: To efficiently deash coal, by adding emulsion oil to coal slurry, forming aggregate of the coal and oil by irradiation with a supersonic wave, and floating and separating the aggregate from a sinking suspension of ash by introdu...
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JPS5896679A |
PURPOSE: To remove oxygen in coal in high efficiency without using expensive high pressure hydrogen and a catalyst, and to improve the economicity of coal liquefaction reaction remarkably, by mixing coal with mediumWheavy oil, and heatin...
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JPS5893795A |
PURPOSE: To efficiently remove water in brown coal by heating a slurry consisting of the brown coal and a solvent under a press. above saturated vapor press and vaporizing water by flashing the heated slurry. CONSTITUTION: After mixed wi...
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JPS5826395B2 |
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JPS5891798A |
PURPOSE: To remove ash in coal at a high rate of separation, by introducing a gas into a liquid mixt. consisting of pulverized coal, hydrocarbon oil and water to form a coal/oil aggregate and separation an aqueous phase contg. a lot of a...
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JPS5825392B2 |
Process for calcining green coke in at least three heating stages, which comprises preheating the green coke in the first stage, preliminarily calcining the coke in the second stage, cooling the coke; and calcining the coke in the third ...
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JPS5825399B2 |
A process for the removal of pyrite from coal which comprises preparing an aqueous slurry containing finely-divided coal particles; adding to the slurry an alkali metal hydroxide selected from the group consisting of sodium hydroxide, po...
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JPS5825359B2 |
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JPS5887179A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS5887194A |
PURPOSE: To improve the collectability of coal ash formed by the combustion of coal, by adding calcium sulfite to coal. CONSTITUTION: Calcium sulfite collected from a stack gas desulfurization apparatus resulting from the combustion of s...
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JPS5883096A |
PURPOSE: To effect dehydration at a low cost without necessitating any heat medium, by adding a binder to a mixed slurry consisting of powdered coal and water and forming aggregated and granulated coal with agitation followed by mechanic...
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JPS5879096A |
PURPOSE: To reduce the remaining ash in a granulated coal further efficiently, by pulverizing a granulated coal formed once by the wet method, and regranulating the pulverized coal. CONSTITUTION: A granulated coal formed in a granulating...
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JPS5876495A |
An improved process and system for drying moist particulate carbonaceous materials. The invention has particular application to staged drying processes wherein the particulate material is entrained in one or more serially connect hot gas...
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JPS5822510B2 |
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JPS5822500B2 |
The invention provides a process for the liquefaction of coal. The comminuted coal is slurried in a solvent or pasting oil and digested, normally under hydrogen pressure, e.g. of 50 to 250 atmospheres partial pressure, under catalytic co...
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JPS5822076B2 |
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