Solid waste treatment furnace and solid waste treatment method

Abstract

The invention discloses a solid waste treatment furnace and a solid waste treatment method. A furnace body of the treatment furnace comprises a melting chamber, a necking section and a combustion chamber, more than three first nozzles are arranged on the straight cylinder section of the melting chamber, the included angle alpha between the axis of each first nozzle and the radial direction of the furnace body is 0 degree-15 degrees, and the distance h1 between the intersection point of the axis of each first nozzle and the inner wall surface of the straight cylinder section of the melting chamber and the bottom surface of the straight cylinder section of the melting chamber is 0.1 m-2.0 m; the ratio x1 of the length to the inner diameter of the straight cylinder section of the melting chamber is 0.5-8; the treatment furnace is further provided with a granulating device, a first cooling device, a second nozzle and a second cooling device. According to the solid waste treatment furnace, smooth slag discharging of a slag discharging opening can be achieved, slag blocking is avoided, the fly ash content of flue gas discharged out of the furnace body is reduced, solidified particle slag good in shape and uniform in particle size can be formed, the amount of fly ash adhering to the water cooling wall of the combustion chamber can be reduced, the generation amount of nitric oxide can be reduced, and the flue gas discharged out of the furnace body does not contain dioxin.

Description

technical field [0001] The invention relates to a solid waste treatment furnace and a treatment method. Background technique [0002] With the rapid development of my country's social economy, a large amount of harmful solid waste such as sludge, waste residue, and garbage is produced in daily life and industrial production processes. If it is not handled properly, it will cause great harm to the ecological environment. Incineration is one of the main methods of solid waste disposal at present, but the secondary pollution of dioxins, fly ash, nitrogen oxides and other harmful substances produced by conventional incineration is serious, and the treatment cost is high. Modern society urgently needs clean and efficient solid waste. Waste recycling, reduction and harmless technology. [0003] Based on this, the patent document CN102537980B, published on 2012.07.04, discloses a high-temperature melting treatment system and method for sludge. The treatment system includes a furna...

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the high fly ash content in the flue gas discharged from the furnace body in the treatment furnace in the sludge high temperature melting treatment system in the prior art, the difficulty of liquid slagging and slagging at the slag discharge port smoothly. In order to solve the defect that the mouth is easy to block slag, a kind of solid waste treatment furnace and treatment method are provided

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