Full-gas-circulation long-flame-coal gas retort

Abstract

The invention provides a full-gas-circulation long-flame-coal gas retort. The full-gas-circulation long-flame-coal gas retort comprises a vertically arranged retort body with a round upper part and a lower square part, a feeding device arranged on the top of the retort body, a gas circulating device, herringbone baffle plates, material-separating decorated walls and a coke discharging device, wherein the gas circulating device comprises a conical array umbrella, a gas discharging pipeline and a tripod-structured gas distribution device. The retort further comprises coke discharging channels and water jacket located at the peripheries of the lower parts of the coke discharging channels. The tripod-structured gas distribution device is provided with flow deflectors. The coke discharging device comprises a chain type coke knocker and a basin, wherein the chain row of the chain type coke knocker is provided with draining ports. The conical array umbrella is fixedly connected with the gas discharging pipeline and is connected with the inner wall of the retort via a chain. The herringbone baffle plates are provided with leaking holes. The feeding device comprises a particle level meter arranged on the top of the retort body. The full-gas-circulation long-flame-coal gas retort provided by the invention is more uniform in gas distribution and obviously improves long-flame-coal retorting efficiency.

Description

technical field [0001] The invention relates to the technical field of coal upgrading, in particular to a gas full-cycle long-flame coal carbonization furnace. Background technique [0002] The development direction of low-rank coal upgrading technology is mainly low-temperature dry distillation. At present, the temperature of the gas distribution temperature field of traditional domestic dry distillation furnaces is still not uniform enough, and the dry distillation effect needs to be improved. Contents of the invention [0003] The present invention provides a gas full cycle long-flame coal carbonization furnace, the technical scheme is as follows: [0004] A gas full-cycle long-flame coal retort furnace, comprising a furnace body with a vertical upper circle and lower structure, a feeding device located on the top of the furnace body, gas circulation equipment, a herringbone baffle, a material distribution flower wall and a coke discharge device; The gas circulation eq...

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