CN101735841B - Oil shale powder slag cold-pressing balls and preparation method thereof - Google Patents
Oil shale powder slag cold-pressing balls and preparation method thereof Download PDFInfo
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- CN101735841B CN101735841B CN 200910220427 CN200910220427A CN101735841B CN 101735841 B CN101735841 B CN 101735841B CN 200910220427 CN200910220427 CN 200910220427 CN 200910220427 A CN200910220427 A CN 200910220427A CN 101735841 B CN101735841 B CN 101735841B
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Abstract
The invention provides oil shale powder slag cold-pressing balls which are prepared from oil shale raw ore and adhesive, wherein, the adhesive accounts for 2-5% of the total weight and is selected from cement or self-made adhesive; the self-made adhesive is prepared from the following components in percentage by mass: 20-40% of bentonite, 20-30% of viscose glue and water; and the diameter of the cold-pressing balls is 30-60 mm, and the strength is 50-200 kg/cm2. The oil shale powder slag cold-pressing balls have the advantages that oil shale powder slags which can not enter a furnace is successfully made into oil shale powder slag cold-pressing balls and sent into the furnace for dry distillation and petroleum extraction; and the oil shale powder slag cold-pressing balls have high strength, thus greatly reducing the mining cost, saving resources and reducing pollution on the premise that the oil yield is not reduced.
Description
Technical field
The present invention relates to the process for extracting of shale oil, a kind of oil shale powder slag cold-pressing balls and preparation method thereof is provided especially.
Background technology
Resinous shale is that a kind of standing stock are very abundant but almost also not by the Mineral resources of fine utilization.Resinous shale not only can extract fuel oils, but also can refine out synthetic gas and industrial chemicals, and by-product also can be used for the material of construction such as brickmaking, cement.The shale oil stock number that whole world resinous shale is contained has 3,662 hundred million tons substantially, Duos at least 50% than traditional petroleum resources amount.China's resinous shale verifies+4,832 hundred million tons of prognostic reserves, and 29,000,000,000 tons of contained shale oil stock numbers occupy the 4th in the world, are only second to the U.S., Brazil, front Soviet Union.Resinous shale (oil shale) is a kind of pulveryte that is rich in organic matter, has fine bedding, can burn.The overwhelming majority organic in the resinous shale is the one-tenth oil substances that is insoluble to ordinary organic solvents, is commonly called as " oil is female ".Therefore, resinous shale claims again " oil shale ".Resinous shale is a kind of energy minerals, belongs to the solid-state fossil oil of low heat value, one of inflammable minerals matter.The resinous shale main component is organic matter, mineral substance and moisture.Oily female content approximately 10%～50% in the resinous shale.The oil mother is comprised of the macromolecular organic compound of complexity, is rich in aliphatic hydrocarbon structure, and less aromatic hydrocarbons structure.Organic compound mainly is comprised of carbon, hydrogen and a small amount of oxygen, nitrogen, element sulphur; Its hydrogen-to-carbon ratio (H: be 1.25～1.75 C), be higher than the organic substance H of coal: the C ratio.The female content of oil is high, and hydrogen-to-carbon ratio is large, and then the resinous shale oil yield rate is high.The resinous shale mineral has quartz, kaolin, clay, mica, carbonatite and sulfurous iron ore etc., but mainly is clay mineral.The resinous shale mineral is often evenly compactly mixed with organic matter, and content of mineral substances is usually above organic matter.When resinous shale contains a large amount of clay mineral, often form obvious schistosity.Moisture content is relevant with the microvoid structure between mineral particle, contains 4%～25% moisture that does not wait in the resinous shale.Its organic matter of resinous shale that is used for commercial exploitation: the ratio of mineral substance is about 0.75: 5～and 1.5: 5, be lower than the organic matter in the coal: mineral substance ratio.This ratio is often greater than 4.75: 5 in the coal.According to sedimentary environment, resinous shale can be divided into three kinds of basic cause types such as terrestrial facies, lacustrine facies and marine facies.Organic matter in the continental oil shales is comprised of the organism that is rich in lipid, mainly contain resin, robe, wax epidermis and those are common in the soft tissue in the Lu Yuan roots of plants footpath in coal-forming wetland or marsh, after burying, they through incoalation, form the organic matter in the resinous shale; Therefore, this resinous shale also is a kind of sapropelinite that contains than high mineral.Organic matter in the Lacustrine Oil Shales mainly refers to move in the planktonic organism algae such as low in fresh water, salt water and salt lake; Algae buries by the organic matter that forms after corruption and the incoalation in the resinous shale.Organic matter in the Marine Oil Shale mainly is marine alga, unknown unicellular microorganism and Hai Sheng flagellate.The sedimentary environment wide range of resinous shale, so resinous shale has multiple organic matter and mineral substance.Resinous shale not only can extract various fuel oils, but also can refine out various synthol gases and industrial chemicals, and byproduct also can be used for the material of construction such as brickmaking, cement.
Be summed up, resinous shale has three kinds of main applications:
(1) shale oil and related products are produced in destructive distillation: if resinous shale is smashed and is heated to about 500 ℃, just can obtain shale oil.China often claims that shale oil is artificial petroleum.In general, 1 ton of resinous shale can extract 38 to 378 liters of (being equivalent to 0.3 to 3.2 barrel) shale oil.Behind the hydrogenation of shale oil crack refinement, can obtain the multiple Chemicals such as gasoline, kerosene, diesel oil, paraffin, stone tar.
(2) act as a fuel generating, heating and transportation. at first be generating.Utilize the form of oil shale generating to have two kinds.The one, directly resinous shale is used as boiler oil, produce steam-electric power; Another kind is the resinous shale low-temperature pyrolysis, produces geseous fuel, then is transported to the combustion in IC engine generating.A kind of form before generally adopting at present.Secondly, can utilize the oil shale combustion heating.Again, can utilize oil shale combustion to drive engine, be used for long-distance transport.
(3) produce material of construction, cement and chemical fertilizer. as additional product, the shale ashes after oil shale distillation and the burning are mainly for the production of material of construction such as cement, bricks.
It is to refine shale oil that the maximum of resinous shale is used potentiality.When traditional oil undersupply, shale oil is expected to become the substitute of oil; Or lack the country of petroleum resources or petroleum resources quantity not sufficient at those, and in order to reduce external interdependency, can use the shale oil petroleum replacing, satisfy the needs that this country builds.Yet, under prior art, grain graininess can only be refined oil through gas retort greater than the resinous shale of 8mm, grain graininess acts as a fuel less than the oil shale powder slag of 8mm or gives up.Therefore in resinous shale mining, transportation, shattering process, the granularity of meeting output 30～50% runs oil because entering stove less than the 8mm oil shale powder slag, all can only act as a fuel or give up, so just improve mining cost and caused environmental pollution, also wasted greatly resource simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of oil shale powder slag cold-pressing balls and preparation method thereof, adopt this oil shale powder slag cold-pressing balls to smelt as main furnace charge, can effectively use by successful handle oil shale powder slag that give it up or that act as a fuel, reduced the cost of mining, for country has saved ample resources.
The present invention specifically provides a kind of oil shale powder slag cold-pressing balls, it is characterized in that described oil shale powder slag cold-pressing balls is prepared from by resinous shale raw ore and binding agent, wherein binding agent accounts for 2～5% of gross weight, binding agent is selected from cement or self-control binding agent, the self-control binding agent is to be 20～40% boron-moisten soil by mass percent, 20～30% viscose glue, and water surplus is made, the cold-pressing balls diameter is 30～60mm, and intensity is 50～200kg/cm
2
The present invention also specifically provides the preparation method of above-mentioned oil shale powder slag cold-pressing balls, it is characterized in that preparing the oil shale powder slag cold-pressing balls concrete steps as follows:
1. oil shale powder slag is shattered to the meal of granularity less than 5mm;
2. the gained meal is added 2～5% binding agents of total mass, stir to get mixture through stirrer;
3. the gained mixture being cold-pressed into diameter with the pair roller nodulizer is 30～60mm, and intensity is 50～200kg/cm
2Oil shale powder slag cold-pressing balls.
The preparation method of oil shale powder slag cold-pressing balls provided by the invention, its advantage is: can't enter the oil shale powder slag that stove runs oil, the oil shale powder slag cold-pressing balls of making of success enters the stove destructive distillation, extract oil, oil shale powder slag cold-pressing balls intensity is high, when not reducing oil yield, greatly reduces the cost of mining, economize on resources, reduce and pollute.
Embodiment
Embodiment 1
Oil shale powder slag R
1Moisture content be 6.3%, oil-contg is 4.1%.
Get the oil shale powder slag R of 150 weight parts
1, granularity is crushed to granularity less than 5mm less than the oil shale powder slag of 8mm, obtain the resinous shale meal; Take cement as binding agent, the cement that accounts for gross weight 5% is added in the resinous shale meal, stir with stirrer, get mixture; It is 30mm that mixture is cold-pressed into diameter with the pair roller nodulizer, and intensity is 180kg/cm
2Oil shale powder slag cold-pressing balls; Oil shale powder slag cold-pressing balls is put into gas retort carry out destructive distillation, pyrolysis temperature is 500 ℃, runs oil, and oil yield is 4.2%.
Comparative Examples 1
Raw ore R
1Moisture content be 5.4%, oleaginousness is 4.4%, intensity is 120kg/cm
2
Get the raw ore R of 150 weight parts
1, with raw ore R
1Granularity greater than the resinous shale of 80mm through the Crushing and screening machine, granularity is wherein put into gas retort greater than the resinous shale of 8mm carry out destructive distillation, pyrolysis temperature is 500 ℃, and granularity acts as a fuel less than the oil shale powder slag of 8mm and provides heat for reaction, run oil, oily rate is 4.4%.
Embodiment 2
Oil shale powder slag R
2Moisture content be 5.9%, oil-contg is 4.3%.
Get the oil shale powder slag R of 100 weight parts
2, granularity is crushed to granularity less than 5mm less than the oil shale powder slag of 8mm, obtain the resinous shale meal; The self-control binding agent that accounts for gross weight 3% is added in the resinous shale meal, and wherein making binding agent by oneself and being is 20～40% boron-moisten soil by mass percent, 20～30% viscose glue, and water surplus is made.Stir with stirrer, get mixture; It is that 60mm intensity is 160kg/cm that mixture is cold-pressed into diameter with the pair roller nodulizer
2Oil shale powder slag cold-pressing balls; Oil shale powder slag cold-pressing balls is put into gas retort carry out destructive distillation, pyrolysis temperature is 500 ℃, runs oil, and oil yield is 4.1%.
Comparative Examples 2
Raw ore R
2Moisture content be 5%, oleaginousness is 4.6%, intensity is 130kg/cm
2
Get the raw ore R of 100 weight parts
2, with raw ore R
2Granularity greater than the resinous shale of 80mm through the Crushing and screening machine, granularity is wherein put into gas retort greater than the resinous shale of 8mm carry out destructive distillation, pyrolysis temperature is 500 ℃, and granularity acts as a fuel less than the oil shale powder slag of 8mm and provides heat for reaction, run oil, oil yield is 4.1%.
Embodiment 3
Oil shale powder slag R
3Moisture content be 6.5%, oil-contg is 3.7%.
Get the oil shale powder slag R of 120 weight parts
3, granularity is crushed to granularity less than 5mm less than the oil shale powder slag of 8mm, obtain the resinous shale meal; Take cement as binding agent, the cement that accounts for gross weight 2% is added in the resinous shale meal, stir with stirrer, get mixture; It is that 50mm intensity is 90kg/cm that mixture is cold-pressed into diameter with the pair roller nodulizer
2Oil shale powder slag cold-pressing balls; Oil shale powder slag cold-pressing balls is put into gas retort carry out destructive distillation, pyrolysis temperature is 500 ℃, runs oil, and oil yield is 3.7%.
Comparative Examples 3
Raw ore R
3Moisture content be 6%, oleaginousness is 4.0%, intensity is 80kg/cm
2
Get the raw ore R of 120 weight parts
3, with raw ore R
3Granularity greater than the resinous shale of 80mm through the Crushing and screening machine, granularity is wherein put into gas retort greater than the resinous shale of 8mm carry out destructive distillation, pyrolysis temperature is 500 ℃, and granularity acts as a fuel less than the oil shale powder slag of 8mm and provides heat for reaction, run oil, oil yield is 4.1%.
Embodiment 4
Oil shale powder slag R
4Moisture content be 5.2%, oil-contg is 4.5%.
Get the oil shale powder slag R of 130 weight parts
4, granularity is crushed to granularity less than 5mm less than the oil shale powder slag of 8mm, obtain the resinous shale meal; The self-control binding agent that accounts for gross weight 4% is added in the resinous shale meal, and wherein making binding agent by oneself and being is 20～40% boron-moisten soil by mass percent, 20～30% viscose glue, and water surplus is made.Stir with stirrer, get mixture; It is that 40mm intensity is 200kg/cm that mixture is cold-pressed into diameter with the pair roller nodulizer
2Oil shale powder slag cold-pressing balls; Oil shale powder slag cold-pressing balls is put into gas retort carry out destructive distillation, pyrolysis temperature is 500 ℃, extracts oil, and oil yield is 4.2%.
Comparative Examples 4
Raw ore R
4Moisture content be 4.1%, oleaginousness is 4.8%, intensity is 180kg/cm
2
Get the raw ore R of 130 weight parts
4, with raw ore R
4Granularity greater than the resinous shale of 80mm through the Crushing and screening machine, granularity is wherein put into gas retort greater than the resinous shale of 8mm carry out destructive distillation, pyrolysis temperature is 500 ℃, and granularity acts as a fuel less than the oil shale powder slag of 8mm and provides heat for reaction, run oil, oil yield is 4.3%.
Claims (2)
1. oil shale powder slag cold-pressing balls, it is characterized in that described oil shale powder slag cold-pressing balls is prepared from by resinous shale raw ore and binding agent, wherein binding agent accounts for 2～5% of gross weight, binding agent is selected from cement or self-control binding agent, the self-control binding agent is to be 20～40% wilkinite by mass percent, 20～30% viscose glue, and water surplus is made, the cold-pressing balls diameter is 30～60mm, and intensity is 50～200kg/cm
2
2. the preparation method of the described oil shale powder slag cold-pressing balls of claim 1 is characterized in that preparing the oil shale powder slag cold-pressing balls concrete steps as follows:
1. the oil shale powder slag of granularity less than 8mm shattered to the meal of granularity less than 5mm;
2. the gained meal is added the binding agent that accounts for total mass 2～5%, stir to get mixture through stirrer;
3. the gained mixture being cold-pressed into diameter with the pair roller nodulizer is 30～60mm, and intensity is 50～200kg/cm
2Oil shale powder slag cold-pressing balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910220427 CN101735841B (en) | 2009-12-03 | 2009-12-03 | Oil shale powder slag cold-pressing balls and preparation method thereof |
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|---|---|---|---|
| CN 200910220427 CN101735841B (en) | 2009-12-03 | 2009-12-03 | Oil shale powder slag cold-pressing balls and preparation method thereof |
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| Publication Number | Publication Date |
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| CN101735841A CN101735841A (en) | 2010-06-16 |
| CN101735841B true CN101735841B (en) | 2013-03-27 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102206499B (en) * | 2011-04-27 | 2013-09-04 | 张玉山 | High-temperature-resistant oil shale powder slag cold-pressing ball and preparation method thereof |
| CN102358685B (en) * | 2011-07-26 | 2013-07-31 | 辽宁环宇环保技术有限公司 | Balling method for oil shale particles |
| CN102618308A (en) * | 2012-04-17 | 2012-08-01 | 于炳正 | 10mm-below granular oil shale cold-pressing sphere and method for oil refining by adopting same |
| CN103881744A (en) * | 2014-04-09 | 2014-06-25 | 河南理工大学 | Oil shale powder formed additive, cold press ball and preparation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1537926A (en) * | 2003-10-23 | 2004-10-20 | 张玉山 | Cold press braize ball and its application |
| CN101492263A (en) * | 2008-06-04 | 2009-07-29 | 抚顺矿业集团有限责任公司 | Wax shale gray slag base polymer gelled material |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1537926A (en) * | 2003-10-23 | 2004-10-20 | 张玉山 | Cold press braize ball and its application |
| CN101492263A (en) * | 2008-06-04 | 2009-07-29 | 抚顺矿业集团有限责任公司 | Wax shale gray slag base polymer gelled material |
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Granted publication date: 20130327 Termination date: 20171203 |