Method for the removal of deposits on the internal walls of industrial furnaces of bunkers

US20070137539A1Inactive Publication Date: 2007-06-21HNE TECH
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
HNE TECH
Publication Date
2007-06-21
Estimated Expiration
Not applicable · inactive patent

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Abstract

In a method for the removal of deposits from the inner walls of industrial furnaces and bunkers or for the destruction of material accumulations by shelling with an industrial cannon, the shells include an explosive charge and an impact detonator and are driven out of the cannon by compressed air with a controllable travel speed.
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Description

BACKGROUND OF THE INVENTION

[0001] The invention relates to a method for the removal of deposits from the internal walls of industrial furnaces or bunkers such as blast furnaces, cement ovens, waste incineration plants, coal-burning power plants or other plants such as large silos, bulk material bunkers, mixing bunkers, etc . . .

[0002] On the inner walls of industrial furnaces or bunkers increasingly thick layers of slag, encrustations or other deposits are built up during operation. It is necessary from time to time to remove these deposits in order to maintain an efficient operation. Since such deposits may be quite thick and, because of their strength and hardness, are difficult to remove, it is quite common to remove these deposits by shelling the interior walls with industrial cannons whereby the deposits are broken off the walls.

[0003] With the industrial cannons generally used today, which are of a design and operated similar to machine guns, a special ammunition with a dri...

Claims

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