Unidirectional permeable membrane type insulation box used for electrical tar precipitator

Abstract

The invention relates to an unidirectional permeable membrane type insulation box used for an electrical tar precipitator. Hanging column support is arranged in an insulated box body. An upper hangingbracket in the electrical tar precipitator is connected to the hanging column support through a hanging column. A through hole is arranged in a bottom plate of the insulated box body and the hangingcolumn can pass through the through hole. A hanging column sleeve is arranged on an outer side of the hanging column, and a middle part of the hanging column sleeve is fixedly connected to the bottomplate of the insulation box body. One or more layers of gas unidirectional permeable membranes are arranged in the hanging column sleeve along a height direction, and a periphery of the gas unidirectional permeable membranes is fixedly connected to the hanging column sleeve. The gas unidirectional permeable membranes and the hanging column are sealed through an insulating rubber ring. A bottom ofthe hanging column sleeve is provided with a connecting flange so as to connect with an electrical tar precipitator body. A gas in the electrical tar precipitator body can be effectively prevented from entering into the insulation box, and a risk of a safety accident caused by the gas entering into the insulation box under abnormal working conditions such as starting, stopping and the like is eliminated. The structure is simple and the gas unidirectional permeable membranes are conveniently installed, which is good for long-term usage and maintenance of equipment.

Description

technical field [0001] The invention relates to the technical field of an electric tar catcher, in particular to a one-way permeable membrane insulation box for an electric tar catcher. Background technique [0002] In the coking industry, coke oven raw gas contains a large number of tar particles, the existence of these tar particles will cause blockage of subsequent gas purification equipment; and coal tar is a high value-added coking by-product, so, in coking gas The tar in the raw coal gas must be captured during the purification process. [0003] In the traditional coking process, an electric tar collector is usually used to capture tar particles. In the conventional electric tar catcher, the insulating box is directly connected to the electric tar catcher body, and there is no barrier measure between the two; some electric tar catchers use continuous nitrogen flow to prevent gas from entering the insulating box. However, in the state of start-up, shutdown or failure,...

AI Technical Summary

Problems solved by technology

However, in the state of start-up, shutdown or failure, the gas in the electric tar catcher often escapes into the insulating box, causing quality and safety accidents

In addition, operators also need to frequently clean up the tar attached to the insulation box, which increases labor intensity

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