Mold for anti-crack furnace lining and method for preparing furnace lining by using same
A furnace lining and mold technology, which is applied in the field of anti-cracking furnace lining molds and the use of it to prepare furnace linings, can solve problems such as furnace lining cracking, and achieve the effect of improving safety
Active Publication Date: 2016-01-06
洛阳洛华窑业有限公司
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Problems solved by technology
[0003] In order to solve the problem of furnace lining cracking caused by liquid evaporation or volume expansion during the oven drying process of the integral furnace lining in the prior art, the present invention provides a mold for anti-cracking furnace lining and a method for preparing furnace lining by using it
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[0016] As shown in the figure, a mold for anti-cracking furnace lining includes a shell 1 combined with the inner wall 5 of the kiln to form a lining space 4, and a mounting hole 2 with a diameter of no more than 12mm is provided on the shell 1, and the mounting hole 2 is set There is a core 3 partially inserted into the lining space 4 , and the end of the core 3 inserted into the lining space 4 can be located at any depth between the furnace inner wall 5 and the shell 1 .
[0017] The above is the basic embodiment of the present invention, and the shape of the mold can be designed according to the actual situation so as to be suitable for kilns of various shapes.
[0018] Considering that the strength of the lining cannot be affected, the distance between the installation holes 2 on the housing 1 is 0.2-0.35 meters, and the diameter of the installation holes does not exceed 12mm.
[0019] The method for preparing a kiln lining by using the anti-cracking furnace lining mold as...
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Abstract
The invention discloses a die used for an anti-cracking brasque and a method for preparing a lining of a kiln. A shell of the die is mounted and fixed on the inner wall of the kiln so as to form lining space, a blended refractory castable is filled in the lining space to form brasque, before the brasque solidifies, a mold core is inserted into the brasque at any depth along a mounting hole in the shell, the mold core is pulled out when the size of the brasque is steady, and the preparation of the brasque is completed. According to the invention, the integral brasque prepared by using the die can smoothly discharge excessive moisture and steam during the baking and temperature rising process before the brasque is put into operation, and effectively absorb imbalance stress generated by thermal expansion of the brasque during the process that the kiln is started up or shut down for many times, so that the operating safety of the brasque is greatly improved in the case of special technological requirements or an emergency, such as sharp temperature rise or drop.
Description
technical field [0001] The invention relates to a refractory integral furnace lining used in the field of kilns, in particular to a mold for anti-cracking furnace linings and a method for preparing furnace linings using the same. Background technique [0002] Now, more and more thermal equipment furnace linings with cylindrical shape, cone shape and various non-standard shapes use bulk refractory materials to make the overall furnace lining. When making the overall furnace lining, the formwork must be supported first, and the pouring material is stirred with water or the ramming material is stirred with liquid and then filled into the formwork to solidify and form. Therefore, the overall furnace lining made of bulk refractories contains a lot of water or liquid. Such a furnace lining must be baked at high temperature to drive out the water and liquid added during construction before the furnace lining can be used. However, in the process of raising the baking temperature, w...
Claims
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IPC IPC(8): F27D1/16
Inventor 李朝侠黄河
Owner 洛阳洛华窑业有限公司