System and method for drying garbage by means of waste heat from flue gas
A technology for flue gas and garbage, applied in the field of comprehensive utilization of energy, can solve the problems of poor drying effect, low drying rate, increased energy consumption, etc., and achieve the effects of reducing energy consumption, increasing surface area, and reducing the thickness of garbage
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Embodiment 1
[0064] In a waste pyrolysis plant, the pyrolysis gas produced is used for power generation, and the power generation equipment uses a gas-fired internal combustion engine. The waste heat of the flue gas generated by the internal combustion engine can be used as a heat source for garbage drying. The moisture content of the primary garbage entering the site is 40%. The rubbish composition consists of:
[0065] Table 1 Household garbage composition (wt%)
[0066]
[0067] First of all, screen the new garbage entering the factory to screen out large pieces of inorganic substances, metals, etc. The sieved garbage is then crushed, and then the garbage crushed to a certain size is sent to the feeding belt through the grab bucket to enter the next drying process.
[0068] There are 4 generators, the rated power of each generator is 500kw, the displacement of each internal combustion engine is 70L, and the exhaust gas temperature is 400-450°C. The flue gas from the 4 internal co...
Embodiment 2
[0074] In a waste pyrolysis plant, the pyrolysis gas produced is used for power generation, and the power generation equipment uses a gas-fired internal combustion engine. The waste heat of the flue gas generated by the internal combustion engine can be used as a heat source for garbage drying. The moisture content of the primary garbage entering the site is 50%. The rubbish composition consists of:
[0075] Table 2 Household garbage composition (wt%)
[0076]
[0077] First of all, screen the new garbage entering the factory to screen out large pieces of inorganic substances, metals, etc. The sieved garbage is then crushed, and then the garbage crushed to a certain size is sent to the feeding belt through the grab bucket to enter the next drying process.
[0078] During operation, the feeding belt maintains a constant speed and continuously and stably sends the garbage into the garbage treatment furnace. There are 5 generators, the rated power of each generator is 800k...
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