Shale thermal insulation material and preparation method thereof
A technology of thermal insulation material and shale rock, applied in the field of building materials, can solve the problems of long maintenance cycle of cement products, high labor intensity of workers and high production cost, and achieve the effects of improving labor conditions, easy operation and short production cycle.
Active Publication Date: 2015-03-18
哈尔滨琪裕新材料科技有限公司
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Problems solved by technology
Adding cement to produce blocks, the production cost is high, the labor intensity of workers is high, the maintenance cycle of cement products is long, the site needs to be large, and it is limited by the temperature season
Method used
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specific Embodiment approach 1
[0025] Specific Embodiment 1: The shale thermal insulation material of this embodiment is formed by puffing and sintering shale and soda ash as raw materials. The amount of soda ash is determined according to the puffing temperature of the shale. When the temperature is high, its dosage is 5-10% of the shale weight.
specific Embodiment approach 2
[0026] Embodiment 2: This embodiment differs from Embodiment 1 in that the shale thermal insulation material is puffed and sintered from shale and soda ash as raw materials, and the amount of soda ash is 6% of the weight of the shale.
specific Embodiment approach 3
[0027] Embodiment 3: This embodiment is different from Embodiment 2 in that the amount of soda ash used is 7% of the shale weight.
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Abstract
A shale heat insulating material and a preparation method thereof belong to the field of building materials and relate to a heat insulating material and a preparation method thereof. The shale thermal insulation material is made by puffing and sintering shale and soda ash as raw materials. The preparation method is as follows: crush shale into particles, and then mix it with soda ash in proportion; Temperature-resistant distributing machine; through the distributing machine, a layer of material is evenly spread from the upper part of the tunnel kiln to the kiln car located in the high temperature zone of the tunnel kiln, and the material is sintered and puffed at 1200-1250 ° C and bonded together; until the material in the tunnel kiln is sintered After molding to the specified thickness, the material and the kiln car are sent out together, and the next kiln car is sintered and puffed to form, and the reciprocating process is carried out; the material sent out of the kiln car enters the heat preservation kiln, and after 24 hours of heat preservation, the temperature drops below 300 ° C, cooled Cut to shape. The invention has the advantages of controllable kiln temperature, low production cost, space saving and good heat preservation effect.
Description
technical field [0001] The invention belongs to the field of building materials, and relates to a thermal insulation material and a preparation method thereof. Background technique [0002] Shale puffed blocks are puffed into ceramsite by using a rotary kiln at high temperature, then mixed with water, mechanically formed, and artificially maintained. In the process of producing shale puffing in the rotary kiln, it is difficult to control the kiln temperature due to different materials. Low kiln temperature is easy to produce material, and high kiln temperature is easy to stick to the kiln and affect production. There are higher requirements for shale quality and particle size. Adding cement to produce blocks has high production costs, high labor intensity for workers, long maintenance period for cement products, requires a large site, and is limited by temperature and seasons. Contents of the invention [0003] The object of the present invention is to provide a shale th...
Claims
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IPC IPC(8): C04B33/13C04B33/32
Inventor 李增俊
Owner 哈尔滨琪裕新材料科技有限公司