Liquid fuel for industrial boiler by using diesel oil slurry of powdered coal as raw material, and preparation method
A technology for industrial boilers and liquid fuels, which is used in liquid carbon-containing fuels, petroleum industry, fuels, etc. to achieve the effects of good fluidity, lower costs, and improved coal utilization.
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Embodiment 1
[0016] The selected raw material composition distribution ratio (quality) of the present invention is pulverized coal: 50-60%, the best quality: 53%, diesel oil: 5-10%, the best quality: 5%, oil slurry: 30-40%, the best Best quality: 40%, dispersant 0.5-3.0%, best quality: 2%.
[0017] Prepare liquid fuel method of the present invention by above-mentioned each component is:
[0018] Put the oil slurry dispersant and diesel oil into the container tank according to the given ratio at normal temperature and pressure, and blend evenly, then add coal powder ground to a certain particle size into the container tank in batches, and then fully stir until The product can be made when the viscosity is 1000-1800MPa·S in the vortex state.
[0019] The dispersant is composed of two compounds, that is, a compound of anionic surfactant and nonionic surfactant, and the volume fraction of the two compounds is 70-92% and 8-30% or 80-97% and 3- 20%.
[0020] The diesel oil is national standar...
Embodiment 2
[0022] 1. Screening of dispersant types
[0023] Preface
No
Dispersant type
Amount of dispersant added
Stablize
sex
(mPa.s)
non-ionic surface
anionic surfactant
sex agent
Nonionic
superficial
sex agent
anion
superficial
sex agent
1
Polyoxyethylene
0.5%
Regardless
layer
1600
2
Polyoxyethylene
0.5%
Regardless
layer
1550
3
Polynaphthalene sulfonate series
1.5%
layered
1200
4
lignosulfonate
1.5%
Regardless
layer
1800
5
Humate Series
1.5%
layered
1600
6
Polyolefin series
1.5%
layered
14...
Embodiment 3
[0037] 6. Preparation method:
[0038] Blend the oil slurry, dispersant and diesel oil according to the given ratio at normal temperature and pressure. After blending evenly under closed conditions, add coal powder ground to a certain particle size in batches, and stir until the vortex is closed. Can.
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