Microemulsified watered diesel, additive used thereby and preparation process thereof

A technology of microemulsion and additive, which is applied in the preparation process of microemulsion water-mixed diesel oil, microemulsion diesel oil additive, microemulsion water-mixed diesel oil, and can solve the problem of unqualified microemulsion water-mixed diesel technology, unstable performance, cetane Low value and other problems, to achieve huge economic value and social value, good stability, high cetane number effect

Inactive Publication Date: 2011-02-09
张宝臣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reason is that the micro-emulsion water-mixed diesel technology is not up to standard, the performance is unstable, and there are problems in actual use.
[0004] 2. The emulsified diesel oil in the prior art still has technical defects such as low calorific value, low horsepower, poor starting performance, and low cetane number.

Method used

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  • Microemulsified watered diesel, additive used thereby and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] 70% fatty acid, 7% diethylammonia, 12% methanol, 6% potassium chloride, and 5% tetrahydrofuran; at room temperature, add the above proportions into the container and stir evenly (about 30 minutes), and then obtain the multifunctional emulsifying additive .

[0045] Take 80% of diesel oil, 10% of multi-functional emulsifying additive, and 10% of water, add the above into the container in order at room temperature and stir until it is completely transparent, then mix 80% of micro-emulsified diesel with water, 20% of aviation kerosene, cetane number The proportion of the improver is 0.5‰ and the mixture is evenly stirred to obtain the qualified micro-emulsion water-mixed diesel oil. The density of the oil is 835kg / m 3 , Flash point 60°C (closed), freezing point -34°C.

Embodiment 2

[0047] Fatty acid 80%, diethylammonia 4%, methanol 7%, potassium chloride 4%, tetrahydrofuran 5%;

[0048] At normal temperature, add the above proportions into the container and stir evenly (for about 30 minutes), to obtain the multifunctional emulsifying additive.

[0049] Take 70% of diesel oil, 15% of multi-functional emulsifying additive, and 15% of water, and add the above into the container at room temperature and stir until it is completely transparent. The proportion of improver 0.8‰ is stirred evenly to obtain the qualified micro-emulsion water-mixed diesel oil, and the density of the oil is 835kg / m 3 , Flash point 58°C (closed), freezing point -33°C.

Embodiment 3

[0051] Fatty acid 85%, diethylammonia 4%, methanol 4%, potassium chloride 3%, tetrahydrofuran 4%;

[0052] At normal temperature, add the above proportions into the container and stir evenly (for about 30 minutes), to obtain the multifunctional emulsifying additive.

[0053] Take 60% of diesel oil, 20% of multi-functional emulsifying additive, and 20% of water, and add the above into the container at room temperature and stir until it is completely transparent. Mix the ratio of improver 1‰ and stir evenly to get qualified micro-emulsion water-mixed diesel oil with a density of 840kg / m 3 , Flash point 62°C (closed), freezing point -30°C.

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Abstract

The invention provides a microemulsified watered diesel additive, which comprises the following components in percentage by weight: 65 to 85 percent of fatty acid, 1 to 10 percent of diethylamine, less than or equal to 15 percent of methanol, 1 to 5 percent of potassium chloride, and 1 to 10 percent of tetrahydrofuran. The microemulsified watered diesel using the additives comprises: additive containing the above components and cetane number improver. The microemulsified watered diesel using the additive comprises the following components in percentage by weight: 50 to 90 percent of diesel, 5 to 30 percent of the microemulsified watered diesel additive, and 5 to 30 percent of water. The method for preparing the microemulsified watered diesel comprises the following steps: preparing the microemulsified watered diesel additive; mixing and stirring 50 to 90 percent of the diesel, 5 to 30 percent of the microemulsified watered diesel additive and 5 to 30 percent of the water until the mixture is transparent at normal temperature to obtain the microemulsified watered diesel. Compared with the prior art, the microemulsified watered diesel has good stability, high heat value, high power, good starting performance and high cetane number, and has expected tremendous economical value and social value.

Description

technical field [0001] The invention relates to related technologies such as micro-emulsion diesel oil additives, micro-emulsion water-mixed diesel oil and the like, and in particular provides a preparation process for micro-emulsion diesel oil additives, micro-emulsion water-mixed diesel oil and micro-emulsion water-mixed diesel oil. Background technique [0002] Diesel emulsification technology has been around for many years and has been put into use in real life, but there are always some difficult technical problems in the existing technology: [0003] 1. Poor stability: Under the condition of heat or heating (the temperature of the fuel tank in summer can reach 35-45°C), the emulsified diesel oil tends to become turbid, resulting in high viscosity, poor fluidity, and easy oil-water separation, which is serious Affect normal use. In 2008, there were reports in the press that the car broke down midway due to diesel quality problems and water was found in the fuel tank. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/188C10L1/16C10L1/222C10L1/185C10L10/12C10L1/182C10L1/23
Inventor 张宝臣
Owner 张宝臣
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