CN1030205C - Synthetic diesel oil ued for cold area - Google Patents
Synthetic diesel oil ued for cold area Download PDFInfo
- Publication number
- CN1030205C CN1030205C CN 92102043 CN92102043A CN1030205C CN 1030205 C CN1030205 C CN 1030205C CN 92102043 CN92102043 CN 92102043 CN 92102043 A CN92102043 A CN 92102043A CN 1030205 C CN1030205 C CN 1030205C
- Authority
- CN
- China
- Prior art keywords
- diesel oil
- oil
- combined diesel
- synthetic diesel
- raw material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- C10L1/04—Liquid carbonaceous fuels essentially based on blends of hydrocarbons
- C10L1/08—Liquid carbonaceous fuels essentially based on blends of hydrocarbons for compression ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
Abstract
The present invention relates to synthetic diesel oil used for cold districts, which is prepared by the following steps that heavy benzol is taken as a main raw material, and a right amount of kerosene and regulating agent for cetane numbers are added into the main raw material and mixed. A small amount of pour depressant is reused for adjusting the solidifying point index of synthetic diesel oil, and synthetic diesel oil which is equivalent to No. 0 to No. 50 synthetic diesel oil in GB252-87 can be prepared. The synthetic diesel oil of the present invention has the advantages of moderate cetane numbers, good ignition properties, high combustion efficiency, low discharge quantity of smoke gas, moderate solidifying points and stickiness, no water content and mechanical impurity, simple preparation technology and equipment, low cost, etc., and the main raw material comes from leftovers of petroleum and chemical industry. The present invention can have quite strong competitive power in market.
Description
The invention belongs to chemical field, is a kind of combined diesel oil, and its product is specially adapted to extremely frigid zones, also can be used for general geographic diesel engine.
The present invention is the continuation of CN89106267.X, is the improvement project on a kind of therein scheme basis, and the CN89106267.X case is recalled.
The diesel oil that is used for fuel is to be formed by petroleum refining mostly.Its product is subjected to the restriction of oil reserves.Along with industry, agricultural, the development of transportation and the raising of people's living standard, the imbalance between supply and demand day of diesel oil is becoming tight, in order to address this problem, at present, occurred the synthetic liquid fuel both at home and abroad, a class is to be that the liquid fuel of main raw material can replace natural gasoline or diesel oil with methyl alcohol.For example, at U.S.P4,336,032, U.S.P4,300,912, U.S.P4,298,352 and CN87104075 in the content of this respect is disclosed, main component is except that with also having materials such as hydro carbons or polyoxyalkylene mixture, or polyoxyethylene glycol fluid methyl alcohol or ethanol or the butanols in their prescription.Shortcoming is: its starting material are industrial chemicals current in short supply and cost an arm and a leg that its product burning is insufficient, the discharging black smoke; Be short of power.Climbing, overload poor performance and machine had the corrosive wear effect.Two classes are with the combined diesel oil of smart tar as main raw material.For example at U.S.P4673411, CN88109773 and CN90101391, the content of this respect is disclosed: in their prescription, except that with also having kerosene and a small amount of alcohols or materials such as ethers or alkyl nitrate esters to form the smart tar.Though main raw material source is easier, this type of combined diesel oil exists still that combustionproperty is poor, discharging smoke pollution environment and machine had shortcoming such as wearing and tearing.Therefore, up to the present, this two classes combined diesel oil does not all obtain actual applying.The 3rd class be immediate with the present invention, be to be main raw material and alcohols blended synthetic liquid fuel with toluene, its serviceability index approaches gasoline, is applicable to gasoline engine.
The purpose of this invention is to provide a kind of is the combined diesel oil that is specially adapted to extremely frigid zones of main component with heavy benzol.
Preparation program of the present invention is to be main raw material by heavy benzol, adds an amount of kerosene and cetane value conditioning agent as three kinds of main components, mixes a spot of pour point depressant again and mixes, and its preparation program is: (is 100 parts by 1.～4. liquid parts by volume)
1. heavy benzol 60～35
2. kerosene 35～20
3. the cetane value conditioning agent 2～27
4. pour point depressant 0～3
5. precipitation agent 0.1～0.5%(is 100 by 1.～4. gross weight)
The byproduct that above-mentioned main component heavy benzol is refinery and coke-oven plant, it is the mixture of trimethylbenzene, indenes and benzofuran.Can be got 150～200 ℃ of following fractionation by the tankage crude benzol of petrochemical industry, price is very low.Add-on is 60～35 parts.
Used kerosene is cracking kerosene or illuminating kerosene in the scheme, selects for use according to the height of the required condensation point of product, and generally low condensation point should select cracking kerosene, selected for use the illuminating kerosene of high condensation point for use.It is the main action of evocating that rises in prescription, and cracking kerosene also has certain pour-point depressing process.Add-on should account for 20～35 parts of cumulative volume part.
Used cetane value conditioning agent in the scheme can be at nitric acid or nitrous acid ester thing for example: amyl nitrate or Isopentyl nitrite etc.; Nitro alkanes thing such as nitrobutane, nitro octane etc.; In materials such as isoparaffin thing and natural solar oil or heavy gas oil, choose any one kind of them or two kinds mix with proper volume part, the cetane value of this combined diesel oil can be adjusted in 20～50 the scope.Its add-on is preferably in more than 20 parts as using natural diesel oil, and other above-mentioned substance add-ons are generally below 10 parts.From economic angle, it is lower to use natural diesel oil to do cetane value conditioning agent cost, general slow speed diesel engine heavy gas oil, and high-speed diesel engine is regulated cetane value with solar oil.
The pour point depressant of this combined diesel oil can be by choosing any one kind of them in ethylene vinyl acetate copolymer or the alkylnaphthalene.If not with pour point depressant, the present invention program can obtain being equivalent to the condensation point index of No. 0 diesel oil among the GB252-87, and add pour point depressant about 0.1～3 part, then can obtain respectively being equivalent among the GB252-87-No. 10 ,-No. 20 ,-No. 35 ,-No. 50 and the combined diesel oil of above condensation point index.
Used precipitation agent in the scheme, not as the component of this combined diesel oil, but the needed material of blending process, it helps contamination precipitation.Can be by choosing any one kind of them in sodium hydroxide or the SODIUM PHOSPHATE, MONOBASIC, and SODIUM PHOSPHATE, MONOBASIC is more excellent.The add-on of these two kinds of materials: require with the crystal solids of 98% above technical purity directly knock down 1.～4. in the mixing liquid, with in the prescription 1.～4. the item cumulative volume be scaled 0.1～0.5% of weight and measure.
Its blending process of combined diesel oil of the present invention is simple, and step is as follows:
1. starting material are measured, mix by selected share;
2. conventional the stirring 10 minutes;
3. centrifugal treating 1 minute or left standstill 72 hours;
4. conventional filtration;
5. obtaining brown transparent liquid is finished product, sampling inspection, warehouse-in or sale.
Embodiment one: (being 100 parts by 1.～4. liquid parts by volume joins)
1. heavy benzol 38
2. illuminating kerosene 35
3. solar oil 27
4. pour point depressant 0
5. sodium hydroxide 0.5%(1.～4. gross weight be 100)
Being mixed with by above-mentioned technology and being equivalent among the GB252-87 No. 0 combined diesel oil, is № 1 sample oil when sending quality inspection.
Embodiment two: (being 100 parts by 1.～4. liquid parts by volume joins)
1. heavy benzol 60
2. illuminating kerosene 34
3. amyl nitrate 4.6
4. alkylnaphthalene 1.4
5. SODIUM PHOSPHATE, MONOBASIC 0.1%(1.～4. gross weight be 100)
Be mixed with by aforementioned technology and be equivalent among the GB252-87-No. 10 combined diesel oil, be decided to be № 2 sample oil when sending quality examination.
Embodiment three: (being 100 parts by 1.～4. liquid parts by volume joins)
1. heavy benzol 55
2. cracking kerosene 35
3. nitrobutane and nitro octane 4.5+3.0
4. alkylnaphthalene 2.5
5. SODIUM PHOSPHATE, MONOBASIC 0.1%(1.～4. gross weight be 100)
Make by aforementioned blending process and to be equivalent among the GB252-87-No. 20 combined diesel oil, when quality examination, be decided to be № 3 sample oil.
Embodiment four: (being 100 parts by 1.～4. liquid parts by volume joins)
1. heavy benzol 45
2. cracking kerosene 34
3. heavy gas oil 20.7
4. ethylene vinyl acetate copolymer 0.3
5. SODIUM PHOSPHATE, MONOBASIC 0.3%(1.～4. gross weight be 100)
Make by aforementioned blending process and to be equivalent among the GB252-87-No. 35 combined diesel oil, when quality examination, be decided to be № 4 sample oil.This product is applicable to that slow speed diesel engine uses winter.
Embodiment five: (being 100 parts by 1.～4. liquid parts by volume joins)
1. heavy benzol 50
2. cracking kerosene 27.6
3. solar oil 22
4. ethylene vinyl acetate copolymer 0.4
5. SODIUM PHOSPHATE, MONOBASIC 0.2%(1.～4. gross weight be 100)
By aforementioned blending process, produce and be equivalent among the GB252-87-No. 35 combined diesel oil, when quality examination, be decided to be № 5 sample oil.This product is applicable to extremely frigid zones, and high-speed diesel engine uses winter.
Embodiment six: (being 100 parts by 1.～4. liquid parts by volume joins)
1. heavy benzol 42.5
2. cracking kerosene 30
3. solar oil 27
4. ethylene vinyl acetate copolymer 0.5
5. sodium hydroxide 0.2%(1.～4. gross weight be 100)
Make-No. 50 the combined diesel oil that is higher than condensation point index among the GB252-87 by aforementioned technology.When sending quality examination № 6 sample oil.This combined diesel oil is applicable to and uses the winter of the cold regional high-speed diesel engine of extra-high-speed.
Oil sample to embodiment one to six carries out determination of quality index, its condensation point; Filter with fixed attention a little; Pour point; Flash-point; Density and kinematic viscosity; The content of sulphur, charcoal, moisture content and mechanical impurity; Acid, alkali, degree of corrosion; What item such as color and cetane value was measured the results are shown in the subordinate list 1, and data show, reach set quota in the following diesel oil standard substantially.
№ 4 in the sample oil and № 5 combined diesel oils are contained on 6 tons " Hino " and 4 tons of " Isuzu Motors " cargo trucies and the hand tractor road test through 100 and 500 kilometers, have all done test to the startability of fuel, dynamic performance, hundred kilometers oil consumption, smoke evacuation performance and to the corrosion wear characteristic of parts; Test result shows:
1. start sensitivity and be 1～2 times of natural diesel oil.Particularly hand tractor is under the minus 8 degrees Centigrade weather condition, and cold start is normal, and startability obviously is better than natural diesel oil.
2. dynamic performance respectively unloaded, fully loaded and overload situation down train evidence burning evenly, travel steadily, 17 ° of climbings use three retainings all right sail normal.
3. hundred kilometers oil consumptions are slightly less than natural diesel oil, its test data is: is 13.5 liters/hundred kilometers 4 tons " Isuzu Motors " with combined diesel oil, with natural diesel oil is 14 liters/hundred kilometers, being 17.5 liters/hundred kilometers with combined diesel oil on 6 tons of " Hino " cars, is 18 liters/hundred kilometers with natural diesel oil.
4. smoke discharge amount is lower than national standard.Smog or flue dust are can't see in range estimation.
5. after the road test, injector head, high-pressure pump oil pipe, injector head cushion rubber are detected, do not note abnormalities.
Advantage of the present invention is: cetane value is moderate, ignition properties is good, efficiency of combustion is high, smoke discharge amount is low, condensation point and viscosity appropriateness, not water content and mechanical impurity, simple and the main raw material of blending process, equipment derives from oil and chemical industry tankage, can make combined diesel oil cost of the present invention low, will in market, have great competitive power.
The oil sample determination of quality index data sheet of subordinate list 1: embodiment one to six:
After table is seen literary composition
№.1 №.2 №.3 №.4 №.5 №.6
Condensation point, ℃-4-15-25-22-48-55
Cold filter clogging temperature, ℃-2-11-20-16-42-53
Sulphur content, % 0.2 0.25 0.25 0.25 0.26 0.24
Moisture, % vestige vestige vestige vestige vestige vestige
10% steams the excess carbon residue, and % 0.1 0.2 0.3 0.3 0.4 0.2
Density (20 ℃), gram/cubic centimetre/0.8322 0.8338 0.8211 0.8270/
Kinematic viscosity (20 ℃), mm/s 4.17 1.6 1.6 1.4 1.5 2.53
Copper corrosion, (50 ℃ of 3h) 1 1～2 1～2 1 1～2 1
Pour point, ℃-3-12-22-19-44-50
Flash-point (remaining silent) ℃ 76 76 74 65 64 66
Water soluble acid or alkali do not have
Mechanical impurity does not have
Color is reddish brown reddish brown yellowish-brown yellowish-brown
Cetane value 36 26 32 41 42 41
(water filling divides vestige:＜0.03%)
Claims (7)
1, a kind of combined diesel oil that is used for extremely frigid zones, be to be that main raw material adds an amount of kerosene and cetane value conditioning agent as three kinds of main components by heavy benzol, mix a spot of pour point depressant again and mix, wherein each component and proportionlity thereof are: (is 100 parts by 1.～4. liquid cumulative volume part)
1. heavy benzol 35～60
2. kerosene 20～35
3. the cetane value conditioning agent 2～27
4. pour point depressant 0～3
5. precipitation agent 0.1～0.5% (is 100 by 1.～4. gross weight)
2, combined diesel oil as claimed in claim 1, its cetane value conditioning agent can be by choosing any one kind of them or two kinds in nitrate esters thing, nitrous acid ester thing, nitro alkanes thing, isoparaffin thing, natural solar oil or the heavy gas oil material.
3, combined diesel oil as claimed in claim 1, its used pour point depressant can be by choosing any one kind of them in ethylene vinyl acetate copolymer and the alkylnaphthalene.
4, as claim 1 or 2 or 3 described combined diesel oils, its pour point depressant is an ethylene vinyl acetate copolymer.
5, combined diesel oil as claimed in claim 4, its used precipitation agent can be by choosing any one kind of them in sodium hydroxide and the SODIUM PHOSPHATE, MONOBASIC.
6, combined diesel oil as claimed in claim 5, its precipitation agent is a SODIUM PHOSPHATE, MONOBASIC.
7, a kind of preparation method who is used for the combined diesel oil of extremely frigid zones:
1. starting material are measured, mix by selected share;
2. conventional the stirring 10 minutes;
3. centrifugal treating 1 minute or left standstill 72 hours;
4. conventional filtration;
5. finished product.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92102043 CN1030205C (en) | 1992-03-26 | 1992-03-26 | Synthetic diesel oil ued for cold area |
| CA 2091856 CA2091856A1 (en) | 1992-03-26 | 1993-03-17 | Synthetic diesel oil |
| AU35279/93A AU3527993A (en) | 1992-03-26 | 1993-03-18 | Synthetic diesel oil |
| EP93302238A EP0562840A1 (en) | 1992-03-26 | 1993-03-24 | Synthetic diesel oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92102043 CN1030205C (en) | 1992-03-26 | 1992-03-26 | Synthetic diesel oil ued for cold area |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1076716A CN1076716A (en) | 1993-09-29 |
| CN1030205C true CN1030205C (en) | 1995-11-01 |
Family
ID=4939435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92102043 Expired - Fee Related CN1030205C (en) | 1992-03-26 | 1992-03-26 | Synthetic diesel oil ued for cold area |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0562840A1 (en) |
| CN (1) | CN1030205C (en) |
| AU (1) | AU3527993A (en) |
| CA (1) | CA2091856A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000144150A (en) * | 1998-11-11 | 2000-05-26 | Nippon Mitsubishi Oil Corp | Low-sulfur light oil |
| CN103666591B (en) * | 2013-11-26 | 2015-08-12 | 沃太能源南通有限公司 | A kind of preparation method of methanol gasoline of good stability |
| CN107338079A (en) * | 2017-08-25 | 2017-11-10 | 青岛涌泉石油有限公司 | Advanced No. 10 diesel oil of environmental protection and energy saving and preparation method thereof |
| CN110526470A (en) * | 2019-09-17 | 2019-12-03 | 中铁环境科技工程有限公司 | A kind of extremely frigid zones construction sewage disposal system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR503482A (en) * | 1917-06-18 | 1920-06-11 | George Edward Heyl | Liquid fuel enhancements for internal combustion engines |
| US3284338A (en) * | 1964-02-24 | 1966-11-08 | Phillips Petroleum Co | Refining of hydrocarbons to produce diesel fuels and gasoline |
-
1992
- 1992-03-26 CN CN 92102043 patent/CN1030205C/en not_active Expired - Fee Related
-
1993
- 1993-03-17 CA CA 2091856 patent/CA2091856A1/en not_active Abandoned
- 1993-03-18 AU AU35279/93A patent/AU3527993A/en not_active Abandoned
- 1993-03-24 EP EP93302238A patent/EP0562840A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| AU3527993A (en) | 1993-09-30 |
| CN1076716A (en) | 1993-09-29 |
| CA2091856A1 (en) | 1993-09-27 |
| EP0562840A1 (en) | 1993-09-29 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |