There are mainly 4 possible sources of pollution may be harmful to the environment for the waste tyre/plastic recycling machine, and they are respectively Water Pollution, Air Pollution, Bad Smell and Noise Pollution.
Now we are writing to explain to you how we prevent these possible pollutions.
1.No water pollution
The water used in the whole recycling system is divided into two parts. One part functions as
cooling water for cooling down the hot oil gas, and it circulating, the water-in is the same as
the water-out, so there is no any pollution. The other part is as rinse water to remove the sulphur and dust in the flue gas purifying process, which is also recycled and no need to discharge it but add it regularly with its evaporating.
A. The waste water is neutral after desulfurization by the Gas Scrubber(Dust Removal
Equipment). There is only insoluble calcium sulfite(CaSO3↓) sinking in the bottom of water. And calcium sulfite(CaSO3↓) cannot cause any pollution to water and air, in contrast , it is a kind of water purification chemical used in treating plant.
B. The whole dust removal(including desulfurization) process can be described with the
chemical reaction equations.
Na2CO3 + SO2←→Na2SO3 +CO2↑ (1)
2NaOH + SO2 ←→Na2SO3 + H20 (2)
Na2SO3 + SO2 + H20←→2NaHSO3 (3)
2NaHSO3 + Ca(OH)2←→Na2SO3 + CaSO3↓ + H20 (4)
2Na2SO3 + Ca(OH)2←→2NaOH + CaSO3↓ (5)
2.No air pollution
The incondensable oil gas (exhaust oil gas) is recycled to the furnace as auxiliary heating fuel instead of releasing directly to the air, so there is no oil gas pollution.
The flue gas with sulfur dioxide will be cleaned by gas professional gas scrubbing system with the basic rinse water. The smoke from the chimney is white color and as 3.Bad Smell and Noise Pollution
According to customer feedback, after burning the exhaust gas, there will be bad smell produced. So now we equip one odor removal device( inside is activated carbon) in front of the gas scrubbing system to absorb the bad smell. The noisiest part of our machine is the drat fan. Its
noise is less than 50dB.
Is pyrolysis bad for the environment?
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