Sedimentation furnace device and method for testing co-combustion characteristic of solid fuel containing carbon

Abstract

The invention discloses a sedimentation furnace device and method for testing the co-combustion characteristic of solid fuel containing carbon. The sedimentation furnace device comprises a sedimentation furnace body, a pulverized coal feeding pipeline assembly and a smoke discharging assembly. The air / pulverized coal inlet end of the sedimentation furnace body is connected with the pulverized coal feeding pipeline assembly, and the smoke outlet end of the sedimentation furnace body is connected with the smoke discharging assembly. The pulverized coal feeding pipeline assembly comprises two primary air / pulverized coal pipes, a secondary air pipe and an inlet water cooling section, wherein the length difference between the two primary air / pulverized coal pipes can be adjusted. The smoke discharging assembly comprises an outlet water cooling section, an ash collection device and a smoke outlet. By the adoption of the sedimentation furnace device, study of the co-combustion characteristic of the different solid fuel containing the carbon in an intra-furnace mixing mode and an extra-furnace mixing mode can be conducted, and meanwhile study of the co-combustion characteristic of the different solid fuel containing the carbon under different blending combustion proportions and different mixing times can also be achieved. According to the sedimentation furnace device and method for testing the co-combustion characteristic of the solid fuel containing the carbon, the structure is simple, and implementation is convenient and effective; compared with an existing sedimentation furnace, co-combustion of the solid fuel containing the carbon under the actual industrial condition can be simulated more comprehensively.

Description

technical field [0001] The invention belongs to the technical field of solid fuel combustion, and in particular relates to a settling furnace device and method for testing the co-combustion characteristics of carbon-containing solid fuels. Background technique [0002] Mixed fuel combustion technology refers to mixing different types of fuels in a certain proportion to change the ignition characteristics, slagging characteristics, burnout characteristics, emission characteristics, etc. of the mixed fuels to meet the fuel requirements of different combustion equipment. Common carbon-containing solid fuel mixed combustion technologies include mixed coal combustion, coal and biomass co-firing, sludge and coal co-firing, coal and petroleum coke co-firing, etc. [0003] Taking power plant boilers as an example, the types of coal used in power plant boilers are variable, and the indicators of actual coal consumption are quite different from the designed coal types, which seriously...

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Problems solved by technology

[0003] Taking power plant boilers as an example, the types of coal used in power plant boilers are variable, and the indicators of actual coal consumption are quite different from the designed coal types, which seriously affects the economy and safety of power plant boiler operation.

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