Abstract
The paper presents results of a comparison of integral characteristics for ignition and combustion of droplets of organic coal-water fuels (OCWF) made using processing wastes (filter cakes) of coals of different grade and typical liquid combustibles: waste engine, turbine oil, and fuel oil. In experiments, sizes (radii) of fuel droplets are from 0.4 mm to 1.5 mm; a temperature of oxidizer varies from 600 K to 1200 K; oxidizer flow rate is in a range from 0.5 m/s to 5 m/s. We consider the two hydrodynamic regimes of a relative motion of the droplets and oxidizer flow: a steady-state regime with droplet position on a junction of a low-inertia thermocouple and a regime of droplet soaring in oxidizer flow. Minimal ignition temperatures (significantly less than 1000 K) of filter-cake-based OCWF are reported. Study presents dependences of the integral characteristics of OCWF ignition on properties of liquid fuel components, such as, primarily, the flash point and ignition temperature. Based on experimental results, recommendations for choosing an optimal regime of combustion and a method of slag removal depending on used components of OCWF are given. Experimental data and formulated conclusions can be considered as a significant contribution to a development of OCWF technologies, which can help to solve global problems of humanity, i.e. reduction of an atmospheric pollution, global warming and dimming.
| Original language | English |
|---|---|
| Pages (from-to) | 235-243 |
| Number of pages | 9 |
| Journal | Applied Thermal Engineering |
| Volume | 128 |
| DOIs | |
| Publication status | Published - 5 Jan 2018 |
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Keywords
- Droplet
- Filter cake
- Ignition
- Organic coal-water fuel
- Soaring
ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Industrial and Manufacturing Engineering
Cite this
Ignition of coal-water fuels made of coal processing wastes and different oils. / Vershinina, K. Yu; Lapin, D. A.; Lyrschikov, S. Yu; Shevyrev, S. A.
In: Applied Thermal Engineering, Vol. 128, 05.01.2018, p. 235-243.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Ignition of coal-water fuels made of coal processing wastes and different oils
AU - Vershinina, K. Yu
AU - Lapin, D. A.
AU - Lyrschikov, S. Yu
AU - Shevyrev, S. A.
PY - 2018/1/5
Y1 - 2018/1/5
N2 - The paper presents results of a comparison of integral characteristics for ignition and combustion of droplets of organic coal-water fuels (OCWF) made using processing wastes (filter cakes) of coals of different grade and typical liquid combustibles: waste engine, turbine oil, and fuel oil. In experiments, sizes (radii) of fuel droplets are from 0.4 mm to 1.5 mm; a temperature of oxidizer varies from 600 K to 1200 K; oxidizer flow rate is in a range from 0.5 m/s to 5 m/s. We consider the two hydrodynamic regimes of a relative motion of the droplets and oxidizer flow: a steady-state regime with droplet position on a junction of a low-inertia thermocouple and a regime of droplet soaring in oxidizer flow. Minimal ignition temperatures (significantly less than 1000 K) of filter-cake-based OCWF are reported. Study presents dependences of the integral characteristics of OCWF ignition on properties of liquid fuel components, such as, primarily, the flash point and ignition temperature. Based on experimental results, recommendations for choosing an optimal regime of combustion and a method of slag removal depending on used components of OCWF are given. Experimental data and formulated conclusions can be considered as a significant contribution to a development of OCWF technologies, which can help to solve global problems of humanity, i.e. reduction of an atmospheric pollution, global warming and dimming.
AB - The paper presents results of a comparison of integral characteristics for ignition and combustion of droplets of organic coal-water fuels (OCWF) made using processing wastes (filter cakes) of coals of different grade and typical liquid combustibles: waste engine, turbine oil, and fuel oil. In experiments, sizes (radii) of fuel droplets are from 0.4 mm to 1.5 mm; a temperature of oxidizer varies from 600 K to 1200 K; oxidizer flow rate is in a range from 0.5 m/s to 5 m/s. We consider the two hydrodynamic regimes of a relative motion of the droplets and oxidizer flow: a steady-state regime with droplet position on a junction of a low-inertia thermocouple and a regime of droplet soaring in oxidizer flow. Minimal ignition temperatures (significantly less than 1000 K) of filter-cake-based OCWF are reported. Study presents dependences of the integral characteristics of OCWF ignition on properties of liquid fuel components, such as, primarily, the flash point and ignition temperature. Based on experimental results, recommendations for choosing an optimal regime of combustion and a method of slag removal depending on used components of OCWF are given. Experimental data and formulated conclusions can be considered as a significant contribution to a development of OCWF technologies, which can help to solve global problems of humanity, i.e. reduction of an atmospheric pollution, global warming and dimming.
KW - Droplet
KW - Filter cake
KW - Ignition
KW - Organic coal-water fuel
KW - Soaring
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UR - http://www.scopus.com/inward/citedby.url?scp=85029044021&partnerID=8YFLogxK
U2 - 10.1016/j.applthermaleng.2017.09.029
DO - 10.1016/j.applthermaleng.2017.09.029
M3 - Article
VL - 128
SP - 235
EP - 243
JO - Applied Thermal Engineering
JF - Applied Thermal Engineering
SN - 1359-4311
ER -