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Stress buffering material for prefabricated brick of pellet rotary kiln and manufacturing method of stress buffering material
The invention discloses a stress buffering material for a prefabricated brick of a pellet rotary kiln, belonging to the technical field of refractory materials. The stress buffering material comprisesthe following components: 40%-60% of alumina, 10%-20% of a binding agent, 1%-2% of a plasticizer, and 20%-30% of a waterproof emulsion, wherein the alumina comprises alumina particles and fine alumina powder in a weight ratio of 5: 3. The stress buffering material has enough strength and a waterproof function at a normal temperature, can be repeatedly used in the process of heating-cooling-heating, has high-temperature extrusion deformability, is beneficial to pressure release, and can ensure sufficient filling property; and after a temperature is reduced, the material has self-bridging contractibility, so filling of gaps to a full state is always ensured in the temperature rising and falling process, fire penetration is prevented, and stress can be fully released.
本发明公开了一种球团回转窑预制砖用缓冲应力材料，涉及耐火材料技术领域，包括如下组分：矾土40%‑60%、结合剂10%‑20%、增塑剂1%‑2%、防水乳液20%‑30%，矾土包括矾土颗粒料和矾土细粉料，矾土颗粒料和矾土细粉料的重量比为5:3。在常温下有足够的强度，同时还具有防水功能；能够在升温‑降温‑升温过程中重复使用，具有高温挤压可变形性，既有利于释放压力，又能确保充分填充性；温度降低又具有自弥合收缩性，从而保证在温度升降过程，始终确保缝隙填充饱满，防止穿火，又能使应力得到充分释放。
Stress buffering material for prefabricated brick of pellet rotary kiln and manufacturing method of stress buffering material
The invention discloses a stress buffering material for a prefabricated brick of a pellet rotary kiln, belonging to the technical field of refractory materials. The stress buffering material comprisesthe following components: 40%-60% of alumina, 10%-20% of a binding agent, 1%-2% of a plasticizer, and 20%-30% of a waterproof emulsion, wherein the alumina comprises alumina particles and fine alumina powder in a weight ratio of 5: 3. The stress buffering material has enough strength and a waterproof function at a normal temperature, can be repeatedly used in the process of heating-cooling-heating, has high-temperature extrusion deformability, is beneficial to pressure release, and can ensure sufficient filling property; and after a temperature is reduced, the material has self-bridging contractibility, so filling of gaps to a full state is always ensured in the temperature rising and falling process, fire penetration is prevented, and stress can be fully released.
本发明公开了一种球团回转窑预制砖用缓冲应力材料，涉及耐火材料技术领域，包括如下组分：矾土40%‑60%、结合剂10%‑20%、增塑剂1%‑2%、防水乳液20%‑30%，矾土包括矾土颗粒料和矾土细粉料，矾土颗粒料和矾土细粉料的重量比为5:3。在常温下有足够的强度，同时还具有防水功能；能够在升温‑降温‑升温过程中重复使用，具有高温挤压可变形性，既有利于释放压力，又能确保充分填充性；温度降低又具有自弥合收缩性，从而保证在温度升降过程，始终确保缝隙填充饱满，防止穿火，又能使应力得到充分释放。
Stress buffering material for prefabricated brick of pellet rotary kiln and manufacturing method of stress buffering material
一种球团回转窑预制砖用缓冲应力材料及其制造方法
LI JIE (author) / ZHU ZIJIANG (author) / SHANG XUEJUN (author) / JIANG AIJUN (author) / SUN QIUCHENG (author)
2021-01-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
F27B
Industrieöfen, Schachtöfen, Brennöfen, Retorten allgemein
,
FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL
/
F27D
Einzelheiten oder Zubehör für Industrieöfen, Schachtöfen, Brennöfen oder Retorten, soweit sie nicht auf eine Ofenart eingeschränkt sind
,
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
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