8/13/2019 What is Pyrolysis Technology
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What is pyrolysis technology?
Pyrolysis technology is a new technology for waste treatment developed quickly inrecent years. In the early 90s, foreign scientists found that during the process of burni
ng waste, it will produce extremely harmful carcinogens to human-Tetrachlorodibenz
o- p-dioxin. Therefore, when the western developed countries study how to avoid pro
ducing secondary pollution when burning waste, they spend large sum of money to de
velop and research new garbage disposal technology. Waste pyrolysis technology is g
enerally recognized by national environmental protection experts, they think this is a
new road for waste harmless, reduction and recycling.
1. The theory of pyrolysis technology.
Pyrolysis technology and burning are tow totally different process. Incineration is an e
xothermic process, and pyrolysis technology need to absorb a lot of heat. The main pr
oduct of incineration are the carbon dioxide and water, pyrolysis technology mainly ta
ke advantage of thermal instability of the organic matter in waste, under the condition
of the anaerobic or anoxia, let organic produce cracking, after condensation to form a
variety of new gas, liquid and solid, extract process of fuel oil, combustible gas.
In one word, the essence of pyrolysis technology is the process by heating the molecul
ar organic molecules, let it crack into many small molecular, which contains many co
mplicated physical and chemical process.
2. The method of pyrolysis technology.
Thermal decomposition process has a different pyrolysis method due to the heating w
ay, the product shape, and the different pyrolysis furnace structure. According to the d
ifferent pyrolysis temperatures, more than 1000 DHS C called high-temperature pyrol
ysis, 600-700 DHS C called tepid solution, 600 DHS C hereafter called low temperatu
re pyrolysis. Pyrolysis way has direct heating method and the indirect heating method
according to the heating points.
3. The main characteristics of innovation pyrolysis technology.
(1)Combine of direct heating and indirect heating
(2) Set the mixed gas reaction device, make gas sufficient reaction.
(3)Use of advanced dust removal system, solve the waste pyrolysis gas emissions pro
blem.
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