CN101029238A - Method for producing diesel oil from kerosine - Google Patents
Method for producing diesel oil from kerosine Download PDFInfo
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- CN101029238A CN101029238A CN 200610045946 CN200610045946A CN101029238A CN 101029238 A CN101029238 A CN 101029238A CN 200610045946 CN200610045946 CN 200610045946 CN 200610045946 A CN200610045946 A CN 200610045946A CN 101029238 A CN101029238 A CN 101029238A
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Abstract
Production of diesel oil from coal is carried out by adding into auxiliaries, breaking, dipping, drying, crushing to prepare into coal powders, adding into auxiliaries, agitating, reacting, distilling and purifying. The diesel oil consists of coal 40-70wt%, auxiliaries 30-60wt%, which comprises shale oil 25-30wt%, petroleum heavy oil 35-50wt% and petroleum asphalt 25-35wt%. It's simple, cheap and rational and has no environmental pollution.
Description
(1) technical field
The present invention relates to the fuel production industry, is an a kind of novel process that adopts the coal production substitute diesel.
(2) background technology
Diesel oil is with a long history as a kind of traditional fuel oil, and in the world today of energy scarcity, fuel saving oil becomes the task of top priority, then have the people in diesel oil water mixing so that fuel saving oil; The somebody utilizes the mixed replacement of various chemical reagent with oil, but these miscellaneous novel methods all exist to involve great expense, and therefore cost height, and unacceptable defective such as contaminate environment, fundamentally do not solve the oil fuel problem of shortage.
(3) summary of the invention
The present invention is a kind of to utilize the purpose of prescription that coal produces substitute diesel and preparation method thereof, is the shortcoming at above-mentioned technology, provides a kind of coal that utilizes to adopt easy processing method to extract substitute diesel, reaches the effect that increases the oil fuel volume increase.
The present invention is to be raw material with coal, by adding auxiliary agent, through broken, dipping, dry, pulverize, make the dry coal powder, add auxiliary agent again through technological processs such as stirring, reaction, distillation, purifications, production can replace the product of diesel oil.
Described auxiliary agent is made up of shale oil, black petroleum products and petroleum pitch.
Formula constituent of the present invention and content (by weight percentage):
Coal: 40%-70%, auxiliary agent 30%-60%;
Auxiliary agent component and content (by weight percentage):
Shale oil 25%-30%, black petroleum products 35%-50%, petroleum pitch 25%-35%.
Preparation method of the present invention:
Broken process: at first coal being crushed to diameter is 0.5-0.8cm;
The dipping operation: coal is added in the treating water, and coal is 1.5: 5 with the ratio for the treatment of water, floods fully to stir in 20-30 hour;
Drying process: coal is carried out drying, and dry back water content is 0.8-2.5%;
Pulverizing process: coal is pulverized, and granularity is the 150-200 order;
Agitating procedure: auxiliary agent is heated to 60-100 ℃, adds coal dust then, fully stir; Reaction and agitating procedure: continue coal dust is heated to 60-400 ℃, pressure is 3-4MPa, and the time is 2-3 hour;
Distillation process: be heated to 230-280 ℃, isolate smart tar, be cooled to normal temperature;
Purification process: smart tar is added an amount of kerosene or methyl alcohol at normal temperatures, make it to reach the processed oil standard, filtration, removal of impurities promptly obtain the finished product substitute diesel then.
The optimum size that coal is pulverized is the 100-180 order, the optimum temps of whipping process is 70-95 ℃, and the optimum temps of reaction process is 175-350 ℃, and Best Times is 2.2-2.6 hour, optimum pressure is 3.25-3.75MPa, and the optimum temps of still-process coal is 260-270 ℃.
Positively effect of the present invention is, adopts coal to make raw material, produces diesel oil, and the processing method that is adopted is simple, technology rationally, easy row, non-environmental-pollution, with low cost; For alleviating the social difficult problem of oil fuel anxiety, provide new solution route.
(4) embodiment
Embodiment one
At first, by formulated desired raw material of the present invention, the component and the content (% by weight) of substitute diesel prescription are auxiliary agents 30%, and surplus is a coal; Auxiliary agent component and content are that shale oil and black petroleum products (% by weight) are respectively 30%, and surplus is a pitch, and each component is heated to 50 ℃, and is stirred well to dissolving after adding container; Treating water preparation: H with 30%
2CO
3The aqueous solution adds among the 20%NaCH, mixes and stirs.
Preparation technology of the present invention and condition:
Broken: that coal is crushed to 0.5cm; Dipping: above-mentioned coal is joined in the treating water, and coal is 1.5: 5 with the ratio for the treatment of water, fully stirs, and dipping time is 20 hours; Dry: the water content of dry back coal is no more than 1%; Pulverize: the granularity of coal dust is controlled at 180 orders; Stir: be 65 ℃ at first, add coal dust afterwards, fully stir the auxiliary agent Heating temperature; Reaction is stirred: temperature was 175 ℃ when reaction was stirred, and pressure is 3.0MPa, time 2hr; Distillation: distillation temperature is 240 ℃, isolates smart tar, is cooled to normal temperature; Purify: with smart tar at normal temperatures, add an amount of kerosene or methyl alcohol, concoct up to standardly to the processed oil technological standard, filter, the removal of impurity, make and produce the substitute diesel finished product.
The heating of above-mentioned each technological process can be adopted methods such as electrically heated in the chemical technique, steam-heated cal(l)andria, also can adopt heating means such as coal gas, fuel oil, fire coal.
The Measurement results of substitute diesel of the present invention shows, every performance index all reach or are better than the performance index of diesel oil, its condensation point reaches as high as-40C, and have sufficient combustion, thermo-efficiency height, advantage such as emission concentration is low, raw material sources are abundant, cheap, less investment, preparation technology and equipment are simple.
Embodiment two
Component and the content (% by weight) of producing the substitute diesel prescription are auxiliary agents 50%, and surplus is a coal; Auxiliary agent component and content (% by weight): (shale oil+black petroleum products) each 35%, surplus is a pitch; Treating water preparation: H with 30%
2CO
3The aqueous solution adds 20%NaCH, is stirred to dissolving.
The blending process condition:
Broken: coal is carried out fragmentation, to granularity be 0.7cm; Dipping: above-mentioned coal is joined in the treating water, and dipping time is 28 hours, fully stirs; Dry: the water content of dry back coal is no more than 1.5%; Pulverize: coal powder size is 190 orders; Stir: after Heating temperature is 95 ℃, dry coal powder and auxiliary agent are added; Reaction is stirred: temperature was 350 ℃ when reaction was stirred, and pressure is 3.75MPa, time 2.5hr; Distillation: temperature is 260 ℃; Purification process is identical with embodiment 1.
Embodiment three
The component and the content (% by weight) of preparation substitute diesel prescription: auxiliary agent 65%, surplus are coal;
Auxiliary agent component and content (% by weight): (shale oil+black petroleum products) each 40%, surplus is a pitch; Treating water: H with 30%
2CO
3The aqueous solution adds 30%NaCH3 and makes solution.
Preparation process condition:
Broken: that coal is crushed to granularity 1cm; Dipping: above-mentioned coal is joined in the treating water, and dipping time is 36 hours, fully stirs; Dry: the water content of dry back coal is no more than 3%; Pulverize: coal powder size is 200 orders; Stir: Heating temperature is 105 ℃, and coal dust and auxiliary agent should fully stir evenly; Reaction is stirred: temperature was 400 ℃ when reaction was stirred, and pressure is 4MPa, time 1hr; Distillation: temperature is 280 ℃.Other operations and condition are all identical with embodiment 1, can produce qualified product equally.
Claims (4)
1, produces the method for diesel oil with coal, it is characterized in that with coal being raw material, by adding auxiliary agent, pass through fragmentation, dipping, drying, pulverize, make the dry coal powder, add auxiliary agent again through technological processs such as stirring, reaction, distillation, purifications, production can replace the product of diesel oil, and described auxiliary agent is made up of shale oil, black petroleum products and petroleum pitch, and the present invention's formula constituent and content by weight percentage is: coal: 40%-70%, auxiliary agent 30%-60%; Auxiliary agent component and content are by weight percentage: shale oil 25%-30%, black petroleum products 35%-50%, petroleum pitch 25%-35%;
Preparation technology and condition are:
A, broken process: at first coal being crushed to diameter is 0.5-0.8cm;
B, dipping operation: coal is added in the treating water, and coal is 1.5: 5 with the ratio for the treatment of water, floods fully to stir in 20-30 hour;
C, drying process: coal is carried out drying, and dry back water content is 0.8-2.5%;
D, pulverizing process: coal is pulverized, and granularity is the 150-200 order;
E, agitating procedure: auxiliary agent is heated to 60-100 ℃, adds coal dust then, fully stir;
F, reaction and agitating procedure: continue coal dust is heated to 60-400 ℃, pressure is 3-4MPa, and the time is 2-3 hour;
G, distillation process: be heated to 230-280 ℃, isolate smart tar, be cooled to normal temperature;
H, purification process: smart tar is added an amount of kerosene or methyl alcohol at normal temperatures, make it to reach the processed oil standard, filtration, removal of impurities promptly obtain the finished product substitute diesel then;
The optimum size that I, coal are pulverized is the 100-180 order, the optimum temps of whipping process is 70-95 ℃, and the optimum temps of reaction process is 175-350 ℃, and Best Times is 2.2-2.6 hour, optimum pressure is 3.25-3.75MPa, and the optimum temps of still-process coal is 260-270 ℃.
2, produce the method for diesel oil according to claim 1 is described with coal, it is characterized in that at first, by formulated desired raw material of the present invention, the component and the content (% by weight) of substitute diesel prescription are auxiliary agents 30%, and surplus is a coal; Auxiliary agent component and content are that shale oil and black petroleum products (% by weight) are respectively 30%, and surplus is a pitch, and each component is heated to 50 ℃, and is stirred well to dissolving after adding container; Treating water preparation: H with 30%
2CO
3The aqueous solution adds among the 20%NaCH, mixes and stirs;
Preparation technology and condition are fragmentation: coal is crushed to 0.5cm; Dipping: above-mentioned coal is joined in the treating water, and coal is 1.5: 5 with the ratio for the treatment of water, fully stirs, and dipping time is 20 hours; Dry: the water content of dry back coal is no more than 1%; Pulverize: the granularity of coal dust is controlled at 180 orders; Stir: be 65 ℃ at first, add coal dust afterwards, fully stir the auxiliary agent Heating temperature; Reaction is stirred: temperature was 175 ℃ when reaction was stirred, and pressure is 3.0MPa, time 2hr; Distillation: distillation temperature is 240 ℃, isolates smart tar, is cooled to normal temperature; Purify: with smart tar at normal temperatures, add an amount of kerosene or methyl alcohol, concoct up to standardly to the processed oil technological standard, filter, the removal of impurity, print and produce the substitute diesel finished product.
3, produce the method for diesel oil according to claim 1 is described with coal, the component and the content (% by weight) that it is characterized in that producing the substitute diesel prescription are auxiliary agents 50%, and surplus is a coal; Auxiliary agent component and content (% by weight): (shale oil+black petroleum products) each 35%, surplus is a pitch; Treating water preparation: H with 30%
2CO
3The aqueous solution adds 20%NaCH, is stirred to dissolving;
Preparation technology and condition are fragmentation: coal is carried out fragmentation, to granularity be 0.7cm; Dipping: above-mentioned coal is joined in the treating water, and dipping time is 28 hours, fully stirs; Dry: the water content of dry back coal is no more than 1.5%; Pulverize: coal powder size is 190 orders; Stir: after Heating temperature is 95 ℃, dry coal powder and auxiliary agent are added; Reaction is stirred: temperature was 350 ℃ when reaction was stirred, and pressure is 3.75MPa, time 2.5hr; Distillation: temperature is 260 ℃.
4, produce the method for diesel oil according to claim 1 is described with coal, it is characterized in that preparing the component and the content (% by weight) of substitute diesel prescription: auxiliary agent 65%, surplus are coal; Auxiliary agent component and content (% by weight): (shale oil+black petroleum products) each 40%, surplus is a pitch; Treating water: H with 30%
2CO
3The aqueous solution adds 30%NaCH3 and makes solution;
Preparation process condition is fragmentation: coal is crushed to granularity 1cm; Dipping: above-mentioned coal is joined in the treating water, and dipping time is 36 hours, fully stirs; Dry: the water content of dry back coal is no more than 3%; Pulverize: coal powder size is 200 orders; Stir: Heating temperature is 105 ℃, and coal dust and auxiliary agent should fully stir evenly; Reaction is stirred: temperature was 400 ℃ when reaction was stirred, and pressure is 4MPa, time 1hr; Distillation: temperature is 280 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610045946 CN101029238A (en) | 2006-03-03 | 2006-03-03 | Method for producing diesel oil from kerosine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610045946 CN101029238A (en) | 2006-03-03 | 2006-03-03 | Method for producing diesel oil from kerosine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101029238A true CN101029238A (en) | 2007-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610045946 Pending CN101029238A (en) | 2006-03-03 | 2006-03-03 | Method for producing diesel oil from kerosine |
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|---|---|
| CN (1) | CN101029238A (en) |
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2006
- 2006-03-03 CN CN 200610045946 patent/CN101029238A/en active Pending
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