Water-cooling hopper assembly, and transformation method for existing firebrick gasifier

Abstract

The embodiment of the invention discloses a water-cooling hopper assembly, and a transformation method for an existing firebrick gasifier. The water-cooling hopper assembly comprises a reducing section and a straight cylinder section located below the reducing section, the reducing section is in a big-end-up funnel shape, a water-cooling hopper water outlet connector is arranged at the upper end of the reducing section, the lower end of the reducing section is connected and communicated with the upper end of the straight cylinder section, and a water-cooling hopper water inlet connector is arranged at the lower end of the straight cylinder section. The water-cooling hopper assembly has a small size and light weight, and can conveniently enter the gasifier from a slag discharging port onlyby removing a slag breaker connected below the slag discharging port of the gasifier, so the purposes of improving the coal type adaptability of the firebrick gasifier and increasing the components ofeffective gas produced by the gasifier are achieved through optimization and transformation without cutting off the shell of the existing firebrick gasifier. Firebricks at the upper part are reservedin the transformation process, so that nearly one month taken by removing and rebuilding of the bricks can be saved, and the transformation procedure is greatly simplified.

Description

technical field [0001] The embodiment of the present invention relates to the technical field of coal gasification, in particular to a water-cooled bucket assembly and a method for transforming an existing refractory brick gasifier. Background technique [0002] In the entrained bed gasification furnace, the refractory brick is used as the gasifier of the shell insulation layer, commonly known as the refractory brick gasifier. Due to the adaptability of refractory brick gasifier coal types, facing fire bricks and vault bricks need to be replaced every 8000 hours, and cone-bottom refractory bricks are replaced most frequently, usually with a service life of less than 3000 hours, which restricts the long-term operation of the gasifier , and it takes a long time to change bricks. At the same time, in order to increase the composition of the effective gas produced by the gasifier, it is necessary to strengthen the back-mixing of pulverized coal particles in the combustion chamb...

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Problems solved by technology

[0003] For this reason, the embodiment of the present invention provides a water-cooled bucket assembly and a modification method for the existing refractory brick gasifier to solve the problem that the existing refractory brick gasifier has a long time for brick replacement, and the construction is limited by downtime, site, and framework. The problem of limitations

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