Low-temperature solidification spray coating and construction method thereof
A construction method and coating technology, applied in the field of refractory materials, can solve the problems of large energy consumption, large water addition, high rebound rate, etc., and achieve the effect of reducing the rebound rate of spraying, reducing material consumption, and reducing energy consumption
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Embodiment 1
[0015] Example 1: Prepare the spray coating for the permanent lining of the large flue in the spraying sintering plant.
[0016] Dry ingredient preparation:
[0017] 30kg of coke gem granules with a particle size of 1~3mm, 20kg of electric porcelain granules with a particle size of 0.1~1mm, 10kg of mullite granules with a particle size of 0.1~1mm, 8kg of 200 mesh mullite fine powder, and 8kg of 200~320 mesh white corundum powder , 800 mesh activated alumina powder 3kg, nano-scale silicon powder 4kg, 200~320 mesh Guangxi white mud 8kg, PT organic binder 0.10kg, stir it in a 1000L strong mixer for 15 minutes, and get 90.10kg dry powder after mixing evenly. spare material;
[0018] This ratio is suitable for overall spraying of pipes with certain requirements on wear resistance and used at about 500°C.
[0019] Weigh 10kg of liquid water glass as an inorganic binder.
[0020] During the construction, the dry material and the binder are transported to the site together, and th...
Embodiment 2
[0022] Example 2: Preparation and spraying of spray coatings for emergency repair of hot air duct hot air surrounding pipes.
[0023] Dry ingredient preparation:
[0024] 25kg of coke gem granules with a particle size of 1~3mm, 10kg of electric porcelain granules with a particle size of 0.1~1mm, 20kg of mullite granules with a particle size of 0.1~1mm, 8kg of 200 mesh mullite fine powder, 10kg of 200~320 mesh white corundum powder , 800 mesh activated alumina powder 7kg, nano-scale silicon powder 2kg, 200~320 mesh Guangxi white mud 5kg, PT organic binder 0.12kg, stir it in a 1000L strong mixer for 15 minutes, and get 87.12kg dry powder after mixing evenly. spare material;
[0025] This ratio is suitable for the overall spraying of pipelines with certain requirements on wear resistance and overall strength, and the service temperature is about 1200°C.
[0026] Weigh the liquid water glass of 13kg as inorganic binding agent.
[0027] During the construction, the dry materia...
Embodiment 3
[0029] Example 3: Prepare and spray paint for dust removal flue of sintering plant.
[0030] Dry ingredient preparation:
[0031] 20kg of burnt gem granules with a particle size of 1~3mm, 20kg of electric porcelain granules with a particle size of 0.1~1mm, 15kg of mullite granules with a particle size of 0.1~1mm, 6kg of 200 mesh mullite fine powder, and 8kg of 200~320 mesh white corundum powder , 800 mesh activated alumina powder 5kg, nano-scale silicon powder 3kg, 200~320 mesh Guangxi white mud 8kg, PT organic binder 0.15kg, stir it in a 1000L strong mixer for 15 minutes, and get 85.15kg dry powder after mixing evenly. spare material;
[0032] This ratio is suitable for the overall spraying of pipelines with certain requirements on the viscosity and strength of the material, and the service temperature is about 1000°C.
[0033] Weigh the liquid water glass of 15kg as inorganic binding agent.
[0034] During construction, transport the dry material and binder to the site ...
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