CN105925327A - Coal-based three phase hybrid fuel prepared from waste engine oil - Google Patents
Coal-based three phase hybrid fuel prepared from waste engine oil Download PDFInfo
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- CN105925327A CN105925327A CN201610263104.0A CN201610263104A CN105925327A CN 105925327 A CN105925327 A CN 105925327A CN 201610263104 A CN201610263104 A CN 201610263104A CN 105925327 A CN105925327 A CN 105925327A
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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
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
- C10L1/324—Dispersions containing coal, oil and water
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Abstract
A coal-based three phase hybrid fuel prepared from waste engine oil is formed by coal dust, waste engine oil and water, and also contains a dispersant and an emulsifier, and is concretely prepared through the following steps: adding the emulsifier to a certain amount of water, adding the waste engine oil and water to a colloid mill, and fully stirring until above materials are uniform in order to obtain an oil-water emulsion; and grinding broken particles with the size being smaller than 1mm, screening the ground particles to obtain the coal dust, mixing the coal dust with the oil-water emulsion, adding a proper amount of the dispersant, and fully stirring all above materials at room temperature until the materials are uniform. The waste engine oil is used to prepare oil coal water mixture in order to realize changing of wastes into valuables, the problem of pollution of the waste engine oil to environment is solved, the disadvantages of high burning point and low calorific value of traditional coal water slurry are overcomes, and the coal-based three phase hybrid fuel has the advantages of low viscosity, good stability, low processing cost, simple operation, and large-scale industrial application prospect.
Description
Technical field
The present invention relates to a kind of coal base three-phase fuel combination and preparation method thereof, a kind of method utilizing used oil to prepare oil coal water mixture fuel combination.
Background technology
China that the fast development of modern industry and the raising of people's living standard make becomes that vehicles number in the world is most and the most ever-increasing country.The data issued at the beginning of 2015 according to Public Security Department of the Ministry of Public Security show, within nearly 5 years, the average annual increment of motor vehicles is more than 1,500 ten thousand, and by the end of the year 2014, whole nation vehicle guaranteeding organic quantity has reached 2.64 hundred million.Meanwhile, also increasing sharply the lubricating oil i.e. demand of machine oil swift and violent, its consumption is only second to fuel oil, becomes second largest consumption of petroleum product.But, machine oil is in use owing to being chronically at hot environment, and constantly contact with oxygen, generation because of slow oxidizing process, the part physicochemical property in oil product is caused to change, and then produce the harmful substance such as oxidation product, colloid, asphalitine, change original composition, cause machine oil lubrication, anti-attrition, cool down, seal, the aspect such as vibration damping is ineffective and is changed into used oil.Generally, new machine oil changed once by automobile often 5000 kilometers of needs of row.Due in used oil containing metals such as various hydro carbons, polycyclic aromatic hydrocarbon and the ferrum being difficult in a large number to degrade, lead, zinc, as being immediately discharged to environment, drinking water and soil can be caused serious harm, and be difficult to recover in the quite a long period.
Used oil currently mainly has two kinds of Land use systems: one is to be regenerated as base oil through sulphuric acid-hargil, solvent refining and hydrofinishing etc., adds appropriate additive and continues to use as lubricating oil；Two is to be translated into other chemical products by pyrolysis.But, more weak to the supervision of used oil in the market, the used oil brand of recovery, model, quality differ, and use traditional renovation process to be difficult to the reclaimed oil of excellent, and the mud that these processes produce is difficult to process；High temperature pyrolysis process needs to consume substantial amounts of energy simultaneously.According to statistics, China's used oil recovery utilization rate is only about 20%, and substantial amounts of used oil remains and goes out of use or directly burn, severe contamination is caused to environment, therefore, the most effectively utilize used oil, remain the problem that common solution is needed in the current whole world badly.
Fluid fuel is a kind of feed mode that coal gasification is conventional at present.Coal is made mobility and the water-coal-slurry having good stability, is advantageously implemented the purpose of coal clean utilization.Under normal circumstances, water-coal-slurry is made up of the chemical addition agent of the coal of 65%, the water of 34% and 1%, has relatively high burning efficiency, relatively low stain and is easy to the features such as pipeline transportation.Owing to mobility is preferable, can use as oil-substituted fuel in certain limit.But, owing to water-coal-slurry moisture ratio is higher, transpiring moisture requires the expenditure of energy, thus there is the drawback that burning-point is higher and calorific value is relatively low, and boiler and nozzle are had high requirement.The oily coal water three-phase fuel combination that the present invention prepares with used oil, coal and water, overcomes these defects well, and provides a utilization ways effectively turned waste into wealth for used oil.
Summary of the invention
One of the problem to be solved in the present invention is the new way how seeking a kind of extensive disposal for used oil, and is formed with the oil coal water mixture fuel of beneficially coal clean utilization, is effectively improved resource utilization, reduces environmental pollution, it is achieved the purpose turned waste into wealth.
The two of the problem to be solved in the present invention are how to add used oil to prepare fuel combination in water-coal-slurry, and to overcome water-coal-slurry in use energy consumption relatively big, burning-point is higher, the deficiency that calorific value is relatively low.
It is an object of the invention to provide a kind of coal base three-phase fuel combination prepared by used oil.
A kind of coal base three-phase fuel combination prepared by used oil, the composition of its raw material and content thereof are to be made up of 40 ~ 55% coal dusts, 5 ~ 20% used oil and 30 ~ 50% water by mass percentage；Additive is by the dispersant that percentage ratio is 0.5 ~ 1.0% of ature of coal amount；It is the emulsifying agent of 0.5 ~ 2.0% by the percentage ratio of oil quality.
The further technical characteristic of technique scheme is as follows.
Described coal dust is the one in bottle coal, coking coal and lean coal.
Described used oil refers to that machine oil gradually goes bad, and generates organic acid, colloid and asphaltic substances.
Described dispersant is the one in sodium lignin sulfonate and naphthalene sulfonic acid-formaldehyde condensation product.
Described emulsifying agent is the one in Tween 80, triton x-100 and polyoxyethylene lauryl ether.
Described raw material and reagent are commercially available technical grades.
The preparation method of described coal base three-phase fuel combination is first to be added by emulsifying agent in a certain amount of water, after in colloid mill add used oil and water stirring, after stirring, it is thus achieved that oil hydrosol；Then the granule less than 1 mm pulverized is ground, obtains the coal dust of 37-50 μm by screening, and coal dust is mixed with oil hydrosol, and add appropriate dispersant, at room temperature stir, prepare coal base three-phase fuel combination.
Above-mentioned the provided a kind of coal base three-phase fuel combination prepared by used oil of the present invention, compared with prior art, used oil is mixed in water-coal-slurry, improve the calorific value of fuel combination, reduce burning-point, and utilize oil/water or water/oil in aflame microexplosion phenomenon, further increase the nebulization efficiency of gasification, improve efficiency of combustion, particularly the trace meter component in used oil accordingly and just serve as the catalyst of combustion process, further increase combustion efficiency；Owing to fuel combination employing the less coal dust of granularity and there is relatively low viscosity, can be directly used for oil burning boiler burning, but also can use as oil-substituted fuel on large diesel engine.
Used oil water-coal-slurry fuel combination of the present invention, there is preparation process simple, with low cost, without used oil being carried out the advantages such as pretreatment, not only solve the used oil pollution problem to environment, but also take full advantage of the value of used oil, it is achieved that turn waste into wealth, it is to avoid the purpose of environmental pollution.This fuel combination, coal dust content can reach 55% by mass percentage；It is 100s in shear rate-1Time, its viscosity is less than 1000mPa s；Place 20 days, produce without hard-caked sediment phenomenon, show preferable stability, there is wide industrial applications prospect.
Detailed description of the invention
Below the detailed description of the invention of the present invention is made further instructions.
Implementing the preparation method of a kind of coal base three-phase fuel combination prepared by used oil, the raw material composition of described preparation method and content thereof are 40 ~ 55% coal dusts, 5 ~ 20% used oil and 30 ~ 50% water by mass percentage；Additive is by the dispersant that percentage ratio is 0.5 ~ 1.0% of ature of coal amount；Being the emulsifying agent of 0.5 ~ 2.0% by the percentage ratio of oil quality, concrete grammar is as follows:
First emulsifying agent is added in a certain amount of water, after in colloid mill add used oil and water stirring, after stirring, it is thus achieved that oil hydrosol；Then the coal particle less than 1 mm pulverized is ground, obtains the coal dust of 37-50 μm by screening, and coal dust is mixed with oil hydrosol, and add appropriate dispersant, at room temperature stir, prepare coal base three-phase fuel combination.
In the above-described embodiment, coal dust is to use the one in bottle coal coal dust, coking coal coal dust and lean coal coal dust；The used oil used is that machine oil the most gradually goes bad, and generates organic acid, colloid and asphaltic substances, the used oil that industry and agricultural use are crossed including various machines, equipment, automobile, steamer, aircraft etc.；The dispersant used is sodium lignin sulfonate, or naphthalene sulfonic acid-formaldehyde condensation product；The emulsifying agent used is the one in Tween 80, triton x-100 and polyoxyethylene lauryl ether.
It is further described below below by instantiation.
Embodiment one
40g distilled water, 0.05g Tween 80 (Tween 80 is added in colloid mill, also known as polyoxyethylene sorbitan monooleate dehydration) and 5g used oil room temperature under at a high speed (2900 revs/min) emulsifying within 10 minutes, obtain oil hydrosol, then adding the stirring of 0.275g sodium lignin sulfonate in the oil hydrosol prepared makes it uniform in 5 minutes, add bottle coal coal dust (37-50 μm) 55g after grinding, while add the stirring of coal dust limit, after all adding, continue high-speed stirred within 10 minutes, make coal base three-phase fuel combination.Whole preparation process is the most at room temperature carried out, and prepares coal base three-phase fuel combination of the present invention.
The coal base three-phase fuel combination of preparation apparent viscosity at 25 DEG C is 998mPa s, and mobility is preferable, preserves 20 days without hard-caked sediment phenomenon.
Embodiment two
In colloid mill, add high speed (2900 revs/min) emulsifying under 43g distilled water, 0.15g triton x-100 (TritonX-100) and 10g used oil room temperature obtain oil hydrosol in 15 minutes, then adding the stirring of 0.376g sodium lignin sulfonate in the oil hydrosol prepared makes it uniform in 5 minutes, add coking coal coal dust (37-50 μm) 47g after grinding, while add the stirring of coal dust limit, after all adding, continue high-speed stirred within 10 minutes, make coal base three-phase fuel combination.Whole preparation process is the most at room temperature carried out, and prepares coal base three-phase fuel combination of the present invention.
The coal base three-phase fuel combination of preparation apparent viscosity at 25 DEG C is 493mPa s, and mobility is preferable, preserves 20 days without hard-caked sediment phenomenon.
Embodiment three
In colloid mill, add high speed (2900 revs/min) emulsifying under 40g distilled water, 0.075g polyoxyethylene lauryl ether and 15g used oil room temperature obtain oil hydrosol in 20 minutes, then adding the stirring of 0.45g naphthalene sulfonic acid-formaldehyde condensation product in the oil hydrosol prepared makes it uniform in 5 minutes, add lean coal coal dust (37-50 μm) 45g after grinding, while add the stirring of coal dust limit, after all adding, continue high-speed stirred within 20 minutes, make coal base three-phase fuel combination.Whole preparation process is the most at room temperature carried out, and prepares coal base three-phase fuel combination of the present invention.
The coal base three-phase fuel combination of preparation apparent viscosity at 25 DEG C is 219mPa s, and mobility is preferable, preserves 20 days without hard-caked sediment phenomenon.
Embodiment four
50g distilled water, 0.4g Tween 80 (Tween 80 is added in colloid mill, also known as polyoxyethylene sorbitan monooleate dehydration) and 20g used oil room temperature under at a high speed (2900 revs/min) emulsifying within 20 minutes, obtain oil hydrosol, then adding the stirring of 0.32g naphthalene sulfonic acid-formaldehyde condensation product in the oil hydrosol prepared makes it uniform in 5 minutes, add bottle coal coal dust (37-50 μm) 40g after grinding, while add the stirring of coal dust limit, after all adding, continue high-speed stirred within 20 minutes, make coal base three-phase fuel combination.Whole preparation process is the most at room temperature carried out, and prepares coal base three-phase fuel combination of the present invention.
The coal base three-phase fuel combination of preparation apparent viscosity at 25 DEG C is 283mPa s, and mobility is preferable, preserves 20 days without hard-caked sediment phenomenon.
Embodiment five
30g distilled water, 0.2g Tween 80 (Tween 80 is added in colloid mill, also known as polyoxyethylene sorbitan monooleate dehydration) and 20g used oil room temperature under at a high speed (2900 revs/min) emulsifying within 20 minutes, obtain oil hydrosol, then adding the stirring of 0.40g naphthalene sulfonic acid-formaldehyde condensation product in the oil hydrosol prepared makes it uniform in 5 minutes, add coking coal coal dust (37-50 μm) 50g after grinding, while add the stirring of coal dust limit, after all adding, continue high-speed stirred within 20 minutes, make coal base three-phase fuel combination.Whole preparation process is the most at room temperature carried out, and prepares coal base three-phase fuel combination of the present invention, without hard-caked sediment phenomenon.
Claims (6)
1. the coal base three-phase fuel combination prepared by used oil, the composition of its raw material and content thereof are to be made up of 40 ~ 55% coal dusts, 5 ~ 20% used oil and 30 ~ 50% water by mass percentage；Additive is by the dispersant that percentage ratio is 0.5 ~ 1.0% of ature of coal amount；It is the emulsifying agent of 0.5 ~ 2.0% by the percentage ratio of oil quality.
2. the coal base three-phase fuel combination prepared by used oil as claimed in claim 1, described coal dust is the one in bottle coal, coking coal and lean coal.
3. the coal base three-phase fuel combination prepared by used oil as claimed in claim 1, described used oil refers to that machine oil gradually goes bad, and generates organic acid, colloid and asphaltic substances.
4. the coal base three-phase fuel combination prepared by used oil as claimed in claim 1, described dispersant is the one in sodium lignin sulfonate and naphthalene sulfonic acid-formaldehyde condensation product.
5. the coal base three-phase fuel combination prepared by used oil as claimed in claim 1, described emulsifying agent is the one in Tween 80, triton x-100 and polyoxyethylene lauryl ether.
6. the preparation method of the coal base three-phase fuel combination prepared by used oil as claimed in claim 1, described preparation method is first to be added by emulsifying agent in a certain amount of water, after in colloid mill, add used oil and water stirring, after stirring, it is thus achieved that oil hydrosol；Then the coal particle less than 1 mm pulverized is ground, obtains the coal dust of 37-50 μm by screening, and coal dust is mixed with oil hydrosol, and add appropriate dispersant, at room temperature stir, prepare coal base three-phase fuel combination.
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| CN201610263104.0A CN105925327A (en) | 2016-04-26 | 2016-04-26 | Coal-based three phase hybrid fuel prepared from waste engine oil |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227183A (en) * | 2017-07-13 | 2017-10-03 | 斯养武 | A kind of high heating value water-coal-slurry |
| CN107559845A (en) * | 2017-10-16 | 2018-01-09 | 陕西煤化能源有限公司 | It is a kind of that the device and method for burning processing used oil is mixed with coal gasifier |
| CN108264946A (en) * | 2018-04-02 | 2018-07-10 | 浙江丰登化工股份有限公司 | A kind of harmlessness disposing of waste mineral oil utilizes method |
| CN111534343A (en) * | 2020-05-29 | 2020-08-14 | 新沂市建科新材料有限公司 | Preparation method of coal water slurry additive mixed with petrochemical wastes |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227183A (en) * | 2017-07-13 | 2017-10-03 | 斯养武 | A kind of high heating value water-coal-slurry |
| CN107227183B (en) * | 2017-07-13 | 2019-07-09 | 斯养武 | A kind of high heating value water-coal-slurry |
| CN107559845A (en) * | 2017-10-16 | 2018-01-09 | 陕西煤化能源有限公司 | It is a kind of that the device and method for burning processing used oil is mixed with coal gasifier |
| CN108264946A (en) * | 2018-04-02 | 2018-07-10 | 浙江丰登化工股份有限公司 | A kind of harmlessness disposing of waste mineral oil utilizes method |
| CN111534343A (en) * | 2020-05-29 | 2020-08-14 | 新沂市建科新材料有限公司 | Preparation method of coal water slurry additive mixed with petrochemical wastes |
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