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Practical micro-emulsified environment-friendly and energy-saving diesel oil and preparation method thereof

An environmentally friendly, energy-saving, micro-emulsion technology, used in the petroleum industry, liquid carbon-containing fuels, fuels, etc., can solve the problem of low calorific value and cetane number, increased sediment and colloid, power engine cylinder block and ferrous metal parts Corrosion and other problems, to achieve the effect of increasing the calorific value and cetane number, reducing the oil-water interfacial tension, and solving the difficulty of starting at low temperature

Inactive Publication Date: 2014-03-12
陈卫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Diesel oil emulsification technology has spanned two centuries, from milky white emulsified diesel oil to transparent micro-emulsion diesel oil, but it has not been industrialized and put into the market as commodity oil. The main reason is that the existing diesel emulsification technology one-sidedly pursues the maximization of water content and profit, while ignoring the repair and conditioning of various physical and chemical indicators in the oil phase, so various difficult problems appear in actual use
Common problems include: (1) Poor fluidity and high viscosity, resulting in poor atomization of fuel injection, frequent carbon deposits in fuel injectors, and difficulty in cold starting at low temperatures
⑵ Low calorific value and cetane number, resulting in insufficient power, insufficient combustion, high fuel consumption, and actually fail to achieve the purpose of energy saving
⑶ Due to the unreasonable additive formula, long-term use will easily cause corrosion to the cylinder block and ferrous metal parts of the power machine, thus shortening the normal service life of the power machine
⑷ Poor stability, easy to oxidize, darken the color, increase sediment and colloid, form a large amount of carbon deposits in the combustion chamber, increase cylinder wear and tear, and it is difficult to promote as commercial oil
⑸ Saponification and demulsification in water, poor miscibility, turbidity and stratification after miscibility with various grades of diesel oil, resulting in power machine failure

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Get 65% of diesel oil, 20% of aviation kerosene, add 6% of oil phase additive, add 8% of water, add 0.5% of water phase additive, mix and stir for 10-20 minutes until transparent, then add 0.5% of the conditioning agent of the present invention to obtain the described The practical microemulsion environmental protection and energy-saving diesel oil.

[0023] National standard diesel oil at -20°C: cetane number: 53.5; copper sheet corrosion (50°C.3h) level 3 ) 0.825; closed flash point: 59 ℃.

Embodiment 2

[0025] Get 72% of diesel oil, 10% of aviation kerosene, add 6.3% of oil phase additive, add 10% of water, add 0.7% of water phase additive, mix and stir for 10-20 minutes until transparent, then add 1% of the conditioning additive of the present invention to get the described The practical microemulsion environmental protection and energy-saving diesel oil.

[0026] National standard diesel oil at -10°C: cetane number: 52.5; copper sheet corrosion (50°C.3h) level ≤ 1; calorific value: 10630 kcal; oxidation stability sediment mg / 100ml: 0.8; color number: 2.2; sulfur Content: 0.007%; Ash: 0.0012; Density (20℃ kg / m 3 ) 0.838; closed flash point: 67 ℃.

Embodiment 3

[0028] Get 71% of diesel oil, 5% of aviation kerosene and add 8% of oil phase additive, 13% of water, add 1% of water phase additive and mix and stir for 10-20 minutes until transparent, then add 2% of the conditioning additive of the present invention to get the described The practical microemulsion environmental protection and energy-saving diesel oil.

[0029] After actual measurement: cold filtration point ℃: 2; freezing point: -2; cetane number: 48.5; copper sheet corrosion (50°C.3h) level ≤ 1; calorific value: 10350 kcal; oxidation stability sediment mg / 100ml : 1.2; Color number: 3; Sulfur content: 0.009%; Ash content: 0.0015; Density (20℃ kg / m3) 0.853; Closed flash point: 68℃; Kinematic viscosity (20℃) / (mm 2 / s) 4.7.

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Abstract

The invention discloses practical micro-emulsified environment-friendly and energy-saving diesel oil and a preparation method thereof. The yellowish and crystal practical micro-emulsified environment-friendly and energy-saving diesel oil is prepared by stirring 60-80% of diesel oil, 5-20% of aviation kerosene, 6-12% of micro-emulsifying agent, 6-13% of water and 0.5-2% of modifier for 10-20 minutes under normal temperature and normal pressure. The practical micro-emulsified environment-friendly and energy-saving diesel oil has the advantages of good fluidity, high impetus, low oil consumption, practicability, environment friendliness, energy saving, simplicity in production equipment, wide source of raw materials, low investment and high economic benefit, and can be widely popularized and utilized as commercial oil.

Description

technical field [0001] The invention belongs to the field of microemulsion diesel oil, and in particular relates to a practical microemulsion environment-friendly and energy-saving diesel oil and a preparation method thereof. Background technique [0002] Diesel emulsification technology has spanned two centuries. From the development of milky white emulsified diesel oil to the current transparent micro-emulsion diesel oil, it has not been industrialized and put into the market as commercial oil. The main reason is that the existing diesel emulsification technology only pursues water content and profit. The maximization of oil phase, while ignoring the repair and tempering of various physical and chemical indicators in the oil phase, so there are various difficult problems in actual use. Common problems include: (1) Poor fluidity and high viscosity, resulting in poor atomization of fuel injection, frequent carbon deposits in fuel injectors, and difficulty in cold starting at...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/32C10L1/30C10L1/24C10L1/23C10L1/222C10L1/198C10L1/188C10L1/183C10L1/182
Inventor 陈伟
Owner 陈卫
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