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Sand sculpture based on MgO-MgSO4-H2O cementing material and preparation method of sand sculpture

A technology for cementing materials and sand sculptures, applied in the direction of climate change adaptation, etc., can solve the problems of prolonging the storage time of sand sculptures, no reports, and inability to move and transport sand sculpture handicrafts, so as to achieve easy long-term preservation and movement, low cost and easy preservation and the effect of transport

Inactive Publication Date: 2019-04-02
QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method prolongs the storage time of sand sculptures very limited, and it is impossible to move and carry sand sculpture crafts
[0004] However, at home and abroad, MgO-MgSO 4 -H 2 O cementitious material is that the making of the sand sculpture of binding agent has not been reported so far

Method used

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  • Sand sculpture based on MgO-MgSO4-H2O cementing material and preparation method of sand sculpture

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] 1. Get an appropriate amount of magnesium sulfate and dissolve it in water so that the concentration of the obtained magnesium sulfate solution is 25 degrees Baume.

[0045] 2. Take light-burned magnesia powder raw material (30kg) and desert fine sand (450kg) and mix evenly.

[0046] 3. Add magnesium sulfate solution (90kg) to the mixture in step 2, stir and mix to form MgO-MgSO 4 -H 2 O gelled sand mix.

[0047] 4. MgO-MgSO 4 -H 2 Fill the cemented sand mixture into the sand sculpture mold, tamp it firmly, and release it after 6 hours to become a durable sand sculpture.

Embodiment 2

[0049] 1. Get an appropriate amount of magnesium sulfate and dissolve it in water so that the concentration of the obtained magnesium sulfate solution is 15 degrees Baume.

[0050] 2. Take caustic dolomite powder magnesium oxide raw material (30kg) and desert fine sand (300kg) and mix evenly.

[0051] 3. Add magnesium sulfate solution (60kg) to the mixture in step 2, stir and mix to form MgO-MgSO 4 -H 2 O gelled sand mix.

[0052] 4. MgO-MgSO 4 -H 2 Fill the cemented sand mixture into the sand sculpture mold, tamp it firmly, and release it after 8 hours to become a durable sand sculpture.

Embodiment 3

[0054] 1. Get an appropriate amount of magnesium sulfate and dissolve it in water so that the concentration of the obtained magnesium sulfate solution is 35 degrees Baume.

[0055] 2. Take light-burned magnesia powder raw material (30kg) and desert fine sand (600kg) and mix evenly.

[0056] 3. Add magnesium sulfate solution (60kg) and coagulant to the mixture in step 2, stir and mix to form MgO-MgSO 4 -H 2 O gelled sand mix.

[0057] 4. MgO-MgSO 4 -H 2 Fill the cemented sand mixture into the sand sculpture mold, tamp it firmly, and release it after 6 hours to become a durable sand sculpture.

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Abstract

The invention discloses a sand sculpture based on an MgO-MgSO4-H2O cementing material and a preparation method of the sand sculpture. The preparation method comprises the steps: mixing a magnesium sulfate solution, magnesium oxide and fine sand evenly so as to form a MgO-MgSO4-H2O cemented sand mixture, wherein the mass ratio of the magnesium sulfate solution to the magnesium oxide is (2-10):1, and the mass ratio of the fine sand to the magnesium oxide is (10-20):1; and filling the MgO-MgSO4-H2O cemented sand mixture into a sand sculpture mold, performing compacting and molding, and performingdemoulding so as to obtain the sand sculpture based on the MgO-MgSO4-H2O cementing material. The MgO-MgSO4-H2O cementing material is adopted as a binder for preparing the sand sculpture, the preparation method has the advantages of low cost, stable performance, strong wind erosion resistance and simple construction, and the obtained sand sculpture has long preservation time, strong sand texture,excellent weather resistance, excellent corrosion resistance, weather resistance and other performance, strong visual sense, easy storage and handling.

Description

technical field [0001] The invention relates to a sand sculpture production process, in particular to a MgO-MgSO-based 4 -H 2 The invention relates to a sand sculpture with a cementitious material as a binder and a manufacturing method thereof, belonging to the technical field of sand sculpture production. Background technique [0002] Sand sculpture is a kind of sand and water as raw materials, which are molded by stacking, engraving, carving, digging, etc., and then reinforced by spraying specific glue on the surface. The main characteristics of sand sculptures are large size, heavy weight, easy to disperse, and difficult to store and move. After the work is completed, it is reinforced by spraying specific glue on the surface. However, in the production of existing sand sculpture works of art, after the work is completed, it is reinforced by spraying special glue on the surface, or adding a binder during the production process. The most widely used molding sand binder i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/30C04B111/20C04B111/21
CPCC04B28/30C04B2111/00956C04B2111/20C04B2111/21C04B2111/29C04B14/304C04B22/14C04B14/06Y02A40/22
Inventor 李翔周园海春喜曾金波任秀峰申月孙艳霞
Owner QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI
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