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Batch-type preparation device and preparation method of nano-hydrogen bubble/diesel mixed fuel

A technology for mixing fuels and preparing devices, which is applied to fuels, liquid carbon-containing fuels, petroleum industry, etc., can solve the problems of little promotion significance, and achieve the effects of improving fuel economy, easing the oil supply situation, and improving combustion performance.

Inactive Publication Date: 2020-11-20
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since both diesel and hydrogen do not contain hydrophilic polar structures, surfactants based on hydrophilic / oleophilic amphiphilic structures have little significance in promoting the mixing process of hydrogen and diesel microbubbles, and most surfactants In-cylinder combustion in diesel engines has detrimental effects, therefore, the preparation of hydrogen / diesel microbubble blends requires the development of completely new bubble generation methods

Method used

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  • Batch-type preparation device and preparation method of nano-hydrogen bubble/diesel mixed fuel
  • Batch-type preparation device and preparation method of nano-hydrogen bubble/diesel mixed fuel

Examples

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preparation example Construction

[0026] The basic requirements of each component of an embodiment of the preparation device in the present invention are as follows:

[0027]The hydrogen cylinder 1 adopts an ordinary hydrogen cylinder; the maximum output pressure of the hydrogen pressure reducing valve 2 is greater than 5MPa; the pressure adjustment range of the secondary pressure regulator 3: 0-5MPa; the material of the mixer interface 4 is stainless steel, and the inner diameter is 4-6mm; The material of the container 5 is stainless steel, the volume is 0.1-10L, and the shape is cylindrical; the pressure resistance of the sealing rubber pad 6 is greater than 5MPa; the material of the mixer top cover 7 is stainless steel, and its outer diameter is the same as that of the mixer 5; The filling port 8 is made of stainless steel pipe with an inner diameter of 5-15mm; the material of the sealing plug 9 is stainless steel; the pressure measuring range of the pressure gauge 10 is 0-5MPa; the opening pressure of the s...

Embodiment 1

[0032] Select the mixer 5 with a volume of 0.5L; add 0.5L diesel oil into the mixer 5 from the filler port 8 with an inner diameter of 5mm on the mixer top cover 7, the space in the mixer 5 is completely filled with diesel oil, and there is no gas residue. The sealing plug 9 closes the filling port 8; the hydrogen cylinder 1 supplies hydrogen at a constant pressure of 0.5 MPa to the mixer 5 through the hydrogen pressure reducing valve 2, the secondary pressure regulator 3 and the mixer interface 4 with an inner diameter of 4 mm; turn on the magnetic stirring Heater 18, adjust the rotating speed of stirrer 16 to 1 rpm, and adjust the diesel oil temperature in mixer 5 to a constant temperature of 50°C, and stir for 60 minutes; after the stirring process is completed, close hydrogen bottle 1 and hydrogen pressure reducing valve 2 and the secondary pressure regulator 3, slowly open the micro regulating valve 12, adjust the gas flow in the soap film flow meter 14 at 0.5ml / min, relea...

Embodiment 2

[0035] Select a mixer 5 with a volume of 1L; add 1L of diesel oil to the mixer 5 from the filler port 8 with an inner diameter of 10mm on the top cover of the mixer 7, the space in the mixer 5 is completely filled with diesel oil, and there is no gas residue. The head 9 closes the filling port; the hydrogen cylinder 1 supplies hydrogen at a constant pressure of 2 MPa to the mixer 5 through the hydrogen pressure reducing valve 2, the secondary pressure regulator 3 and the mixer interface 4 with an inner diameter of 5 mm; open the magnetic stirring heater 18, Adjust the rotating speed of the stirring bar 16 to 3 revolutions / s, and adjust the temperature of the diesel oil in the mixer 5 to a constant temperature of 100°C, and stir for 30 minutes; after the stirring process is completed, close the hydrogen cylinder 1, the hydrogen pressure reducing valve 2 and the secondary pressure Regulator 3, slowly open the micro-adjustment valve 12, adjust the gas flow in the soap film flowmet...

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Abstract

The invention discloses an intermittent preparation method of nanometer hydrogen bubble / diesel mixed fuel. After diesel is added into a mixer, sealing is performed; after pressure reduction and pressure regulation, hydrogen gas is supplied to the mixer at the constant pressure of 0.5 to 5MPa; the temperature of diesel in the mixer is regulated to the constant temperature being room temperature to 150 DEG C; after the stirring is performed for 30 to 120min, air supply stops; a micro-regulation valve is opened; the gas flow speed in the soap film flowmeter is regulated to be 0.1 to 1ml / min; diesel and hydrogen overflowing flow the mixer are released; after the pressure reaches ordinary pressure, a sealing plug is taken down; an oil drain valve is opened; the released fluid is the nanometer hydrogen bubble / diesel mixed fuel. When the mixed fuel is applied, a diesel engine only needs a set of oil supply system; the regulation on oil supply system hardware is not needed; the fuel oil economical efficiency of the diesel engine is greatly improved; the pollutant discharging is reduced. The combustion performance of mixed fuel on the diesel engine is improved; the long-period stable existence of hydrogen bubbles is facilitated; the uniformity and the stability of the nanometer hydrogen bubble / diesel mixed fuel are ensured.

Description

technical field [0001] The invention belongs to the preparation of alternative fuels for internal combustion engines, in particular to a batch-type preparation method of nano hydrogen bubble / diesel fuel mixed fuel which can be used as diesel engine fuel. Background technique [0002] Over the years, internal combustion engines fueled by gasoline and diesel have made outstanding contributions to economic development and improvement of people's lives in the field of power. There is a growing crisis of faith in conventional liquid-fueled internal combustion engines. Among them, the disadvantages of traditional liquid fuel internal combustion engines in terms of pollutant emissions are particularly prominent, and the development of effective pollutant emission reduction technical measures has become the key to the survival of internal combustion engines. [0003] Hydrogen (H 2 ) is a recognized high-efficiency and clean energy, and its research history in the field of internal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/04C10L1/12
CPCC10L1/04C10L1/1208C10L2250/06
Inventor 吕刚马宇乾宋崇林
Owner TIANJIN UNIV
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