Microwave pyrolysis device and microwave pyrolysis method having carrier gas mixing and heating and oil collecting functions

Abstract

The invention discloses a microwave pyrolysis device and a microwave pyrolysis method having carrier gas mixing and heating and oil collecting functions. The microwave pyrolysis device includes a gas mixer which mixes inputted inert gases in different types; a carrier gas heater; a quartz reaction kettle that is arranged in a microwave chamber and is used for accommodating a microwave pyrolysis material; a high-temperature flue gas filter; a condenser; an oil collector; and a fan. The gas mixer, the carrier gas heater, the quartz reaction kettle, the high-temperature flue gas filter, the condenser, the oil collector and the fan are successively connected to each other through pipelines. The fan is used for forming negative pressure in the pipelines. The microwave pyrolysis device is simple and available, can effectively improve oil collection efficiency during microwave pyrolysis, and is more accurate, clean and safe in microwave pyrolysis test.

Description

technical field [0001] The invention relates to a microwave pyrolysis device, in particular to a microwave pyrolysis device and method with the functions of carrier gas mixing heating and oil collection. Background technique [0002] At present, the energy utilization methods of biomass, sludge, garbage and other renewable materials usually include incineration and pyrolysis. The efficiency of incineration is higher than that of pyrolysis, but the emissions of dioxin, fly ash, nitrogen oxides, etc. are relatively large, and a complete tail gas treatment system is required. Pyrolysis can convert biomass energy into three-phase energy products such as gas, liquid, and solid, with less flue gas, less fly ash, and less dioxins produced in a reducing atmosphere, but the efficiency is lower than that of incineration. The traditional pyrolysis method is to transfer heat from the outside to the material according to the principles of heat conduction, convection and radiation, so th...

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Problems solved by technology

This will not only reduce the oil production rate of the raw material, but also pollute the wall of the reactor, and even cause the pipe to be blocked

For the industrial production process, the condensation of condensable gas on the wall of the reactor and the channel of the pipe will reduce the total oil production and increase the cleaning cost, which is not in line with the economics of production; for the microwave pyrolysis experiment process in the laboratory, this situation will It is not conducive to the determination of the real yield of solid, liquid and gas three-phase products, and it takes a certain amount of time to clean the instrument, which is not conducive to the accuracy of the experiment

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