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IPC classes for russian patent Crude mixture for making expanded clay (RU 2513872):
Another patents in same IPC classes:
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FIELD: chemistry.
SUBSTANCE: crude mixture for producing expanded clay contains components in the following ratio, wt %: montmorillonite clay 53.6-60.6, fibre wastes from primary wool processing 1.0-1.4, water 22.0-26.0, tripoli 15.0-19.0, hydrolysed lignin 0.4-1.0.
EFFECT: high strength of expanded clay made from the crude mixture.
1 tbl
The invention relates to industry smailing materials and for the production of expanded clay.
Famous raw meal production date of the clay containing, wt.%: clay raw materials 75,5-76,8; fibrous waste of the primary processing of wool 0,9-1,4; water - other [1].
The objective of the invention is to increase the strength of the clay obtained from a raw mixture.
The technical result is achieved by the fact that the raw material mixture for the production of expanded clay, clay-containing raw materials, fibrous waste of the primary processing of wool, water, as raw clay contains montmorillonite clay and additionally Tripoli and lignin in the following ratio, wt.%: clay montmorillonite 53,6-60,6; fibrous waste of the primary processing of wool 1,0-1,4; water 22,0-6,0; trepel 15,0-19,0; lignin of 0.4 to 1.0.
The table below shows the composition of the raw mix for the production of expanded clay.
| Table. |
| Components |
|
| Part No. |
Clay montmorillonite |
Fibrous waste of the primary processing of wool |
Water |
Tripoli |
Lignin |
| 1 |
60,6 |
1,4 |
22,0 |
15,0 |
1,0 |
3-4 |
| 2 |
57,1 |
1,2 |
24,0 |
of 17.0 |
0,7 |
3-4 |
| 3 |
53,6 |
1,0 |
26,0 |
19,0 |
0,4 |
3-4 |
In the composition of the raw mix used clay montmorillonite, including A1-montmorillonite (Fe-montmorillonite (nontronite).
The components are metered in the desired quantities and mix. From the obtained raw material mixture is formed into pellets (fraction 20-40 mm), which is dried and calcined at a temperature of 1100-1150°C.
The source of information
l. SU 6281229, C04B 14/12, 1978.
Raw mix for the production of expanded clay, clay-containing raw materials, fibrous waste of the primary processing of wool, water, characterized in that as the clay raw materials contains montmorillonite clay and additionally Tripoli and lignin during the trail the next ratio of the components, wt.%:
| clay montmorillonite |
53,6-60,6 |
| fibrous waste |
|
| primary processing of wool |
1,0-1,4 |
| water |
22,0-26,0 |
| Tripoli |
15,0-19,0 |
| lignin |
0,4-1,0 |
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