CN111704941A - Environment-friendly smokeless fuel oil and preparation method thereof - Google Patents
Environment-friendly smokeless fuel oil and preparation method thereof Download PDFInfo
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- CN111704941A CN111704941A CN202010571143.3A CN202010571143A CN111704941A CN 111704941 A CN111704941 A CN 111704941A CN 202010571143 A CN202010571143 A CN 202010571143A CN 111704941 A CN111704941 A CN 111704941A
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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
- C10L1/04—Liquid carbonaceous fuels essentially based on blends of hydrocarbons
-
- 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
- C10L1/02—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
-
- 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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
-
- 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
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/02—Use of additives to fuels or fires for particular purposes for reducing smoke development
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B13/00—Recovery of fats, fatty oils or fatty acids from waste materials
-
- 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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Abstract
The invention discloses an environment-friendly smokeless fuel oil and a preparation method thereof, wherein the environment-friendly smokeless fuel oil comprises the following components in parts by weight: 150-450 parts of solvent oil, 100-300 parts of vegetable oil, 200-500 parts of finish-machined kitchen waste grease, 50-100 parts of octanol, 40-50 parts of pour point depressant and 35-50 parts of detergent dispersant. The invention takes the kitchen waste grease as one of the main raw materials, changes waste into valuable and makes the waste into fuel, and has the advantages of environmental protection and reproducibility; the kitchen waste grease is prevented from entering the dining table for the second time to damage human bodies, so that energy is saved, emission is reduced, and a positive maintenance effect can be achieved in the field of food; the raw material cost is reduced, the prepared fuel oil is environment-friendly smokeless fuel oil, and the quality of the fuel oil meets the SH/T0396-96 industrial standard.
Description
Technical Field
The invention relates to fuel oil and a preparation method thereof, in particular to environment-friendly smokeless fuel oil and a preparation method thereof.
Background
At present, the fuel oil is also called heavy oil and residual oil and is produced by processing crude oil or other raw materials; the fuel is mainly used for power generation of power plants, fuel for boilers, fuel for heating furnaces, and metallurgical and other industrial fuels. Heavy oil for wax oil ships, reduced pressure heavy oil (firewood catalysis), normal pressure heavy oil (common firewood), first to third fuel oil, seventh fuel oil, sixth fuel, industrial fuel, fourth to fifth fuel oil and other oil products. The oil products are mainly used as fuel for combustion, and the fuel has long carbon chain, high sulfur content and other harmful impurities; the smoke, ash and black smoke are generated during combustion, so that the environment is greatly damaged, and the smoke, ash and black smoke are the largest pollution sources of air.
In the traditional concept of people, fuel oil can be burnt, the quality is not so strict as the required quality of gasoline and diesel oil, so that the quality of the fuel oil is not well held when the fuel oil leaves a factory, and the residual chemical raw materials are sold as the fuel oil after the finished oil is purified. The fuel oil can be purchased as long as the price of the fuel oil is low, other factors are not considered, the fuel oil is out of control, the haze and pm2.5 are increased after the fuel oil is combusted and used, and air is seriously polluted.
The kitchen waste grease is composed of saturated fatty acid and unsaturated fatty acid, and is oxidized to generate harmful substances such as ketones, aldehydes, aflatoxin B2(C17H14C6) and acrylamide (C3H4N0), wherein the harmful substances are contained in the kitchen waste grease, and if lawbreakers flow the kitchen waste grease into dining tables, the kitchen waste grease is extremely harmful to human bodies, and the consequences are unreasonable. However, the applicant finds that the harmful substances can be used as fuel, and the ketone, aldehyde, acrylamide and aspergillus flavus groups are good cosolvent and can be mutually fused with alcohols such as methanol, ethanol, octanol and the like, so that the viscosity of the kitchen waste oil is greatly reduced, and the kitchen waste oil can be prepared into emulsion.
In order to relieve the huge pressure brought by petroleum and environmental protection, eliminate haze weather and reduce pm2.5, and people also use blue sky dolomite, the applicant selects biomass as a raw material to process and prepare fuel, vegetable oil, kitchen waste grease, octanol and other alcohols are used as raw materials and are converted into the fuel through a physical or chemical method, and the raw materials have high oxygen content and no sulfur, can be biodegraded, are non-toxic and are harmless to the environment.
The applicant selects biomass as a raw material, and the biomass fuel has extremely strong competitiveness in the aspect of economy, has the advantages of being environment-friendly and renewable, and is a biomass fuel with great potential. The biomass fuel is developed vigorously and researched, important strategic significance is expected to be generated in the aspects of sustainable development of energy substitution or reduction of environmental pressure, control of atmospheric pollution and the like, particularly, the waste materials are turned into wealth to serve as fuel aiming at development of kitchen waste oil, damage to human bodies caused by the kitchen waste oil entering dining tables is prevented, energy is saved, emission is reduced, active maintenance is achieved in the field of food, illegal persons are prevented from mixing the kitchen waste oil into edible oil, and the edible risk is greatly reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing the environment-friendly smokeless fuel oil and the preparation method thereof aiming at the defects in the prior art, the kitchen waste oil is used as one of the main raw materials, the waste is changed into valuable, and the fuel is made from the waste, so that the environment-friendly smokeless fuel oil has the advantages of being environment-friendly and renewable; the kitchen waste grease is prevented from entering the dining table for the second time to damage human bodies, so that energy is saved, emission is reduced, and a positive maintenance effect can be achieved in the field of food; the raw material cost is reduced, the prepared fuel oil is environment-friendly smokeless fuel oil, and the quality of the fuel oil meets the SH/T0396-96 industrial standard.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention firstly provides environment-friendly smokeless fuel oil which comprises the following components in parts by weight: 150-450 parts of solvent oil, 100-300 parts of vegetable oil, 200-500 parts of finish-machined kitchen waste grease, 50-100 parts of octanol, 40-50 parts of pour point depressant and 35-50 parts of detergent dispersant.
In the technical scheme, the solvent oil is 200# solvent oil (a commercial product).
In the technical scheme, the vegetable oil is any one of soybean oil, rapeseed oil, castor oil, palm oil and jatropha curcas seed oil, or mixed oil formed by mixing more than two of the soybean oil, the rapeseed oil, the castor oil, the palm oil and the jatropha curcas seed oil in any proportion.
In the technical scheme, the finish machining kitchen waste grease is prepared by the following method:
removing impurities: feeding purchased kitchen waste grease into a steel heatable container, heating to melt the grease in the kitchen waste grease, and melting the grease into clean oil so as to float on the surface layer of the steel heatable container;
the first-stage filtration: fishing out the clear oil floating in the step I, carrying out primary filtration on the collected clear oil through a filter screen I, and collecting the obtained filtered oil;
third, secondary filtering: pressurizing and filtering the filtered oil obtained in the second step in a pressure tank, wherein the pressure tank is divided into an upper layer and a lower layer by a grid, a filter screen II is laid above the grid, and a layer of white sand is laid on the filter screen II to form a white sand layer; the filtered oil passes through a white sand layer and a filter screen II in sequence under the action of 1-2 atmospheric pressures and then flows to the lower part of a grid, and the fine-processing kitchen waste grease is obtained at the lower part of a pressure tank;
preferably, in the step I, feeding purchased kitchen waste oil into a steel heatable container, heating to 70-110 ℃, and keeping the temperature for 5-10 min, so that the oil in the kitchen waste oil is melted into clear oil;
preferably, in the second step, the filter screen I is made of steel wires, and the mesh number of the filter screen is 50-100 meshes;
preferably, in the third step, the filter screen II is made of steel wires, and the mesh number of the filter screen is 80-120 meshes;
preferably, in the third step, the white sand (a commercial product) has a particle size of 0.25-0.5 mm;
preferably, in the third step, the weight ratio of the filtered oil to the white sand is 5: 1, reusing the white sand, filtering for 5 times, and recovering after oil filtering.
In the technical scheme, the pour point depressant is T-803B.
In the technical scheme, the detergent dispersant is polyether amine.
The invention also provides a preparation method of the environment-friendly smokeless fuel oil, which comprises the following steps:
(1) preparing refined kitchen waste grease:
removing impurities: feeding purchased kitchen waste grease into a steel heatable container, heating to melt the grease in the kitchen waste grease, and melting the grease into clean oil so as to float on the surface layer of the steel heatable container;
the first-stage filtration: fishing out the clear oil floating in the step I, carrying out primary filtration on the collected clear oil through a filter screen I, and collecting the obtained filtered oil;
third, secondary filtering: pressurizing and filtering the filtered oil obtained in the second step in a pressure tank, wherein the pressure tank is divided into an upper layer and a lower layer by a grid, a filter screen II is laid above the grid, and a layer of white sand is laid on the filter screen II to form a white sand layer; the filtered oil passes through a white sand layer and a filter screen II in sequence under the action of 1-2 atmospheric pressures and then flows to the lower part of a grid, and the fine-processing kitchen waste grease is obtained at the lower part of a pressure tank;
(2) primary stirring: adding 150-450 parts of solvent oil and 100-300 parts of vegetable oil into an oil material stirring tank, introducing 200-500 parts of the fine-processing kitchen waste oil obtained in the step (1), uniformly stirring, and finishing stirring until the specific gravity of the mixture is 0.877;
(3) and (3) secondary stirring: transferring the mixture obtained in the step (2) into another oil material stirring tank, introducing 50-100 parts of octanol, 40-50 parts of pour point depressant and 35-50 parts of detergent dispersant, uniformly stirring, and finishing stirring until the specific gravity of the mixture is 0.86; and (4) transferring the mixture into an oil storage tank for storage to obtain the smokeless fuel oil.
In the technical scheme, in the step I, the purchased kitchen waste oil is sent into a steel heatable container, heated to 70-110 ℃ and kept at the temperature for 5-10 min, so that the oil in the kitchen waste oil is melted into the clear oil.
In the above technical scheme, in the second step, the filter screen I is made of steel wires, and the mesh number of the filter screen is 50-100 meshes.
In the above technical scheme, in the third step, the filter screen II is made of steel wires, and the mesh number of the filter screen is 80-120 meshes; the white sand (a commercial product) has the particle size of 0.25-0.5 mm; the weight ratio of the filtered oil to the white sand is 5: 1, reusing the white sand, filtering for 5 times, and recovering after oil filtering.
The technical scheme of the invention has the following technical advantages:
(1) the biomass is selected as a raw material, vegetable oil, kitchen waste oil, octanol and other alcohols are used as the raw material to be converted into fuel through a physical or chemical method, and the raw materials have high oxygen content, do not contain sulfur, can be biologically degraded, are non-toxic and are harmless to the environment; in addition, the biomass fuels have extremely strong competitiveness in the aspect of economy, have the advantages of environmental friendliness and reproducibility, and are potential biomass fuels.
(2) The kitchen waste grease is composed of saturated fatty acid and unsaturated fatty acid, and is oxidized to generate harmful substances such as ketones, aldehydes, a strong carcinogen aflatoxin B2 and acrylamide, and if lawbreakers flow the kitchen waste grease into a dining table, the harm to human bodies is great, and the consequences are unreasonable. The invention utilizes the harmful substances as fuel, and the ketone, aldehyde, acrylamide and aspergillus flavus group are good cosolvent and can be mutually fused with alcohols such as methanol, ethanol, octanol and the like, so that the viscosity of the kitchen waste grease is greatly reduced. Aiming at the development of the kitchen waste oil, the waste is changed into valuable as fuel, the kitchen waste oil is prevented from entering a dining table for the second time to damage human bodies, energy is saved, emission is reduced, a positive maintenance effect can be achieved in the field of food, lawless persons are prevented from doping the kitchen waste oil into edible oil, and the edible risk is greatly reduced.
(3) The fuel oil prepared by the invention is environment-friendly smokeless fuel oil, and the quality of the fuel oil meets the SH/T0396-96 industrial standard.
Detailed Description
The following detailed description of the embodiments of the present invention is provided, but the present invention is not limited to the following descriptions:
the invention will now be illustrated with reference to specific examples:
example 1:
an environment-friendly smokeless fuel oil, comprising: 200kg of solvent oil, 200kg of vegetable oil, 400kg of finish-machining kitchen waste oil, 100kg of octanol, 50kg of pour point depressant and 50kg of detergent dispersant, and is prepared by the following method:
(1) preparing refined kitchen waste grease:
firstly, removing impurities; feeding purchased kitchen waste grease into a steel heatable container, heating to 90 ℃ by using an electric thermocouple, heating for 7min at the temperature, depositing non-decomposable impurities such as pepper skins, pepper skins and bones in the kitchen waste grease at the high temperature at the bottom of the container, melting decomposable substances such as the grease into clear oil, and floating the clear oil on the surface layer of the container;
filtering in the first stage; fishing the clear oil floating in the step I, passing the collected clear oil through a filter screen I made of steel wires, wherein the mesh number of the filter screen I is 50 meshes, and collecting the obtained filtered oil;
thirdly, secondary filtering; pressurizing and filtering the filtered oil obtained in the step two in a pressure tank; the pressure tank is divided into an upper layer and a lower layer by a grid, a layer of filter screen II made of steel wires is laid above the grid, and a layer of white sand (the grain diameter of the white sand is 0.25-0.3 mm, the mesh number of the filter screen II is 100) is laid on the filter screen II to form a white sand layer; the filtered oil passes through a white sand layer and a filter screen II in sequence under the action of 2 atmospheric pressures and then flows to the lower part of the pressure tank to obtain the finish-machined kitchen waste grease; the weight ratio of the filtered oil to the white sand is 5: 1, reusing the white sand, filtering for 5 times, and recovering.
(2) Primary stirring: adding the solvent oil and the vegetable oil in the proportion into an oil material stirring tank, introducing the fine-processed kitchen waste oil obtained in the step (1) in the proportion, uniformly stirring, and stirring until the specific gravity of the mixture is 0.877 (the specific gravity can be measured by a hydrometer once every certain time, and the specific gravity reaches the required ending process);
(3) and (3) secondary stirring: transferring the mixture obtained in the step (2) into another oil material stirring tank, introducing the octanol, the pour point depressant and the detergent dispersant in the proportion, uniformly stirring, and finishing stirring until the specific gravity of the mixture is 0.86; and (4) transferring the mixture into an oil storage tank for storage to obtain the smokeless fuel oil.
In this embodiment: the solvent oil is 200# solvent oil, and is purchased from Asia Tong petrochemical company Limited and Shandong Shouguanqing petrochemical company Limited in Dongying; the vegetable oil is rapeseed oil, and is purchased from Jiahui oil & fat Co., Ltd of Luo river, Henan province; the kitchen waste oil is purchased from Borui oil Co Ltd in Yu City of Shandong; the white sand is quartz white sand, and is purchased from a Hua pavilion quartz sand factory in the bridge mouth area in Wuhan city; the octanol is purchased from Wunsted Delami International trade company, Ltd; the pour point depressant is T-803B, and the cleaning dispersant is polyetheramine, and is purchased from Shandong gold Macrotoma chemical Co.
Example 2:
an environment-friendly smokeless fuel oil, comprising: 180kg of solvent oil, 120kg of vegetable oil, 500kg of finish-processed kitchen waste oil, 100kg of octanol, 50kg of pour point depressant and 50kg of detergent dispersant, which are prepared by the same method as the embodiment 1;
the raw materials in this example are essentially the same as in example 1, except that: the vegetable oil is rapeseed oil, and is purchased from Borui oil Co., Ltd, City Yu, Shandong.
Example 3:
an environment-friendly smokeless fuel oil, comprising: 2000kg of solvent oil, 100kg of vegetable oil, 500kg of refined kitchen waste oil, 100kg of octanol, 50kg of pour point depressant and 50kg of detergent dispersant are prepared by the same method as the embodiment 1;
the raw materials in this example are essentially the same as in example 1, except that: the vegetable oil is castor oil, and is purchased from Jiahui oil & fat Co., Ltd, Henan province.
Verification of the examples:
the environmental-friendly smokeless fuel oil obtained in examples 1 to 3 and the commercially available fuel oil were tested according to the SH/T396-96 industry standard test method, and the results are shown in Table 1:
table 1: the quality standard of the environment-friendly smokeless fuel oil of the invention is compared with the quality standard of the existing fuel oil
As can be seen from Table 1, the fuel oil prepared by the invention is environment-friendly smokeless fuel oil, and the quality of the fuel oil meets the SH/T0396-96 industrial standard.
The above examples are only for illustrating the technical concept and features of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The environment-friendly smokeless fuel oil is characterized by comprising the following components in parts by weight: 150-450 parts of solvent oil, 100-300 parts of vegetable oil, 200-500 parts of finish-machined kitchen waste grease, 50-100 parts of octanol, 40-50 parts of pour point depressant and 35-50 parts of detergent dispersant.
2. The environment-friendly smokeless fuel oil of claim 1, wherein the mineral spirit is 200# mineral spirit; the vegetable oil is any one of soybean oil, rapeseed oil, castor oil, palm oil and jatropha curcas seed oil, or mixed oil formed by mixing more than two of the soybean oil, the rapeseed oil, the castor oil, the palm oil and the jatropha curcas seed oil in any proportion; the pour point depressant is T-803B; the detergent dispersant is polyether amine.
3. The environment-friendly smokeless fuel oil according to claim 1, wherein the refined kitchen waste grease is prepared by the following method:
removing impurities: feeding purchased kitchen waste grease into a steel heatable container, heating to melt the grease in the kitchen waste grease, and melting the grease into clean oil so as to float on the surface layer of the steel heatable container;
the first-stage filtration: fishing out the clear oil floating in the step I, carrying out primary filtration on the collected clear oil through a filter screen I, and collecting the obtained filtered oil;
third, secondary filtering: pressurizing and filtering the filtered oil obtained in the second step in a pressure tank, wherein the pressure tank is divided into an upper layer and a lower layer by a grid, a filter screen II is laid above the grid, and a layer of white sand is laid on the filter screen II to form a white sand layer; the filtered oil passes through the white sand layer and the filter screen II in sequence under the action of 1-2 atmospheric pressures and then flows to the lower part of the grid, and the fine-processing kitchen waste grease is obtained at the lower part of the pressure tank.
4. The environment-friendly smokeless fuel oil according to claim 3, wherein in step (r), the purchased kitchen waste oil is sent into a steel heatable container, heated to 70-110 ℃ and kept at the temperature for 5-10 min, so that the oil in the kitchen waste oil is melted into clear oil.
5. The environment-friendly smokeless fuel oil of claim 3, wherein in the second step, the filter screen I is made of steel wire, and the mesh number of the filter screen is 50-100 meshes; in the third step, the filter screen II is made of steel wires, and the mesh number of the filter screen is 80-120 meshes.
6. The environment-friendly smokeless fuel oil of claim 3, wherein in step (c), the white sand has a particle size of 0.25-0.5 mm; the weight ratio of the filtered oil to the white sand is 5: 1, reusing the white sand, filtering for 5 times, and recovering after oil filtering.
7. The preparation method of the environment-friendly smokeless fuel oil is characterized by comprising the following steps:
(1) preparing refined kitchen waste grease:
removing impurities: feeding purchased kitchen waste grease into a steel heatable container, heating to melt the grease in the kitchen waste grease, and melting the grease into clean oil so as to float on the surface layer of the steel heatable container;
the first-stage filtration: fishing out the clear oil floating in the step I, carrying out primary filtration on the collected clear oil through a filter screen I, and collecting the obtained filtered oil;
third, secondary filtering: pressurizing and filtering the filtered oil obtained in the second step in a pressure tank, wherein the pressure tank is divided into an upper layer and a lower layer by a grid, a filter screen II is laid above the grid, and a layer of white sand is laid on the filter screen II to form a white sand layer; the filtered oil passes through a white sand layer and a filter screen II in sequence under the action of 1-2 atmospheric pressures and then flows to the lower part of a grid, and the fine-processing kitchen waste grease is obtained at the lower part of a pressure tank;
(2) primary stirring: adding 150-450 parts of solvent oil and 100-300 parts of vegetable oil into an oil material stirring tank, introducing 200-500 parts of the fine-processing kitchen waste oil obtained in the step (1), uniformly stirring, and finishing stirring until the specific gravity of the mixture is 0.877;
(3) and (3) secondary stirring: transferring the mixture obtained in the step (2) into another oil material stirring tank, introducing 50-100 parts of octanol, 40-50 parts of pour point depressant and 35-50 parts of detergent dispersant, uniformly stirring, and finishing stirring until the specific gravity of the mixture is 0.86; and (4) transferring the mixture into an oil storage tank for storage to obtain the smokeless fuel oil.
8. The preparation method according to claim 7, wherein in the step (r), the purchased kitchen waste oil is sent into a steel heatable container, heated to 70-110 ℃ and kept at the temperature for 5-10 min, so that the oil in the kitchen waste oil is melted into the clear oil.
9. The preparation method according to claim 7, wherein in the second step, the filter screen I is made of steel wires, and the mesh number of the filter screen is 50-100 meshes.
10. The preparation method of claim 7, wherein in the third step, the filter screen II is made of steel wire, and the mesh number of the filter screen is 80-120 meshes; the white sand (a commercial product) has the particle size of 0.25-0.5 mm; the weight ratio of the filtered oil to the white sand is 5: 1, reusing the white sand, filtering for 5 times, and recovering after oil filtering.
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| CN202010571143.3A CN111704941A (en) | 2020-06-22 | 2020-06-22 | Environment-friendly smokeless fuel oil and preparation method thereof |
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| CN202010571143.3A CN111704941A (en) | 2020-06-22 | 2020-06-22 | Environment-friendly smokeless fuel oil and preparation method thereof |
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| CN105176604A (en) * | 2015-08-20 | 2015-12-23 | 郭永秋 | Smokeless vehicle diesel oil and preparation method thereof |
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2020
- 2020-06-22 CN CN202010571143.3A patent/CN111704941A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544915A (en) * | 2008-03-25 | 2009-09-30 | 王建业 | Automobile-used methanol-based clean fuel and preparation method thereof |
| CN101831326A (en) * | 2010-05-18 | 2010-09-15 | 杭州绿洲能源科技有限公司 | Biomass fuel oil and preparation method thereof |
| CN103265981A (en) * | 2013-05-20 | 2013-08-28 | 清远市精旺环保设备有限公司 | Alcohol-based fuel combustion improver and alcohol-based fuel |
| CN105176604A (en) * | 2015-08-20 | 2015-12-23 | 郭永秋 | Smokeless vehicle diesel oil and preparation method thereof |
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Application publication date: 20200925 |