Boiler heat resisting seal cover board

Abstract

The invention discloses a boiler heat resistant sealing cover plate, a section of which takes on a 'T' shape or an 'L' shape; a transverse baffle of the sealing cover plate covers above one side of a fire grate, and a vertical baffle of the sealing cover plate is provided with two pin holes; the sealing cover plate is fixedly installed on a lateral plate of the fire grate through the pin holes by a pin shaft; the vertical baffle of the sealing cover plate is provided with a concave table to form a ventilating cavity together with one side of the fire grate, or the vertical baffle is a hollow body; the vertical baffle of the sealing cover plate is provided with a ventilation opening which is communicated with the ventilating cavity. The traditional whole solid sealing block is provided with the ventilating cavity, and the air is circularly ventilated to the ventilating cavity from the ventilation opening to be fully cooled, so that the sealing cover plate is heated evenly, has good cooling effect, is hard to deform and burn down, and effectively prevents the flame from burning outside and the coal from overflowing, thus reducing the material consumption, having low cost and light weight, being difficult for the fire grate to sink, and ensuring the normal operation of the fire grate.

Description

technical field [0001] The invention relates to the field of boiler sealing equipment, in particular to a heat-resistant sealing cover plate of a boiler on a grate side. Background technique [0002] The coal burning on the grate in the boiler often has flames and coal overflow, which is easy to cause safety accidents. In order to prevent this phenomenon, sealing blocks are installed on both sides of the chain grate, as disclosed in a patent No. ZL200520072460.1. A sealing block, the sealing block is a whole solid body, the sealing block is unevenly heated, the cooling effect is poor, it is easy to be deformed, broken, and burned at high temperature, so that the grate is not running smoothly or stuck, and the solid sealing block has many consumables and is heavy and easy The sinking will cause the long pin to bend and break, and if it is serious, it will cause the furnace wall to loosen and collapse, resulting in a major accident. Contents of the invention [0003] In ord...

AI Technical Summary

Problems solved by technology

[0002] The coal burning on the grate in the boiler often has flames and coal overflow, which is easy to cause safety accidents. In order to prevent this phenomenon, sealing blocks are installed on both sides of the chain grate, as disclosed in a patent No. ZL200520072460.1. A sealing block, the sealing block is a whole solid body, the sealing block is unevenly heated, the cooling effect is poor, it is easy to be deformed, broken, and burned at high temperature, so that the grate is not running smoothly or stuck, and the solid sealing block has many consumables and is heavy and easy Sinking will cause the long pins to bend and break, and in severe cases, the furnace wall will loosen and collapse, resulting in major accidents

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