A method for producing plastering mortar and tile adhesive additives by using black foundry sand
A technology for plastering mortar and glue additives, applied in the field of building materials, can solve the problems of increasing production costs, difficulty in recycling and processing waste casting sand, and difficulty in obtaining perfect utilization, etc.
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Embodiment 1
[0030] A kind of method utilizing black foundry sand to produce plastering mortar and tile glue auxiliary agent, comprises the following steps:
[0031] S1. Use a crusher to break the agglomerated black casting sand into sand grains, then remove iron through a magnetic separator, and then send it to a high-frequency vibrator to remove the film on the surface of the black casting sand particles;
[0032] S2. Send the black casting sand obtained through step S1 into the drum sieve for screening, and select the black casting sand with a particle size of ≤0.08mm as black casting sand fine powder, and the black casting sand with a particle size>0.08mm as Black foundry sand fine sand; the black foundry sand fine powder obtained by sieving in this way is 3-8wt%.
[0033] S3, 80 parts by weight of black foundry sand fine powder obtained by sieving in step S2, 3 parts of mineral activator, 18 parts of redispersible latex powder, 0.5 part of hydroxyethyl methylcellulose, polycarboxylic ...
Embodiment 2
[0039] A kind of method utilizing black foundry sand to produce plastering mortar and tile glue auxiliary agent, comprises the following steps:
[0040] S1. Use a crusher to break the agglomerated black casting sand into sand grains, then remove iron through a magnetic separator, and then send it to a high-frequency vibrator to remove the film on the surface of the black casting sand particles;
[0041] S2. Send the black casting sand obtained through step S1 into the drum sieve for screening, and select the black casting sand with a particle size of ≤0.08mm as black casting sand fine powder, and the black casting sand with a particle size>0.08mm as Black foundry sand fine sand; the black foundry sand fine powder obtained by sieving in this way is 3-8wt%.
[0042] S3, in parts by weight, 80 parts of black foundry sand fine powder obtained by sieving in step S2, 3.5 parts of mineral activator, 15 parts of redispersible latex powder, 0.8 part of hydroxyethyl methylcellulose, pol...
Embodiment 3
[0048] A kind of method utilizing black foundry sand to produce plastering mortar and tile glue auxiliary agent, comprises the following steps:
[0049] S1. Use a crusher to break the agglomerated black casting sand into sand grains, then remove iron through a magnetic separator, and then send it to a high-frequency vibrator to remove the film on the surface of the black casting sand particles;
[0050] S2. Send the black casting sand obtained through step S1 into the drum sieve for screening, and select the black casting sand with a particle size of ≤0.08mm as black casting sand fine powder, and the black casting sand with a particle size>0.08mm as Black foundry sand fine sand; the black foundry sand fine powder obtained by sieving in this way is 3-8wt%.
[0051] S3, in parts by weight, 80 parts of black casting sand fine powder obtained by sieving in step S2, 2 parts of mineral activator, 20 parts of redispersible latex powder, 0.3 part of hydroxyethyl methylcellulose, polyc...
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Abstract
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