Refractory brick patching principle

Fire bricks used a certain degree of damage to the phenomenon, there will be a problem to repair and that in the fire brick problems in repair, and we should follow the principle:

1 refractory brick must be used with the same factory as the same manufacturers of the same batch of bricks;

2 use the same time as the old brick and the same time to repair the remaining scattered brick (Note: the use of damp or damaged brick is prohibited to use);

The contact surface of 3 new and old brick must be lighter mud;

Between the 4 old brick interface cannot make iron;

5. Lock hole brick on both sides of the brick joints cannot be beat iron, two adjacent ring brick iron to staggered, with a piece of brick on both sides cannot play an iron plate.

6 irons must be completely into brick seam;

7 before the closure of a few of the ring block must be from the side of the  firebrick, and the last part of the use of a positive plug brick sealing;

8 in strict accordance with the design of the proportion of bricks masonry not free to change the masonry ratio;

9. Patching brick expansion joint board shall not tear apart and patching brick must wet masonry (fire mud plumpness should reach more than 95%, is strictly prohibited no fireclay brick head, head of fireclay, if appear this kind of circumstance, should be promptly removed heavy masonry;

10 people when not used as much as possible (or reduce the use of brick processing).

Well. The above is the today to introduce to everybody refractory brick patching the principle of knowledge, welcome everybody to click to read.