Lightly-calcined-dolomite sandwich composite partition wall plate and manufacturing method thereof
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A technology of lightly burning dolomite and lightly burning dolomite powder, which is applied in the direction of building structure, building components, climate change adaptation, etc., can solve the problems of consuming magnesite resources, difficult to popularize and apply, etc., and achieves the promotion of resource utilization and comprehensive utilization. , expand the scope of application, improve the effect of thermal insulation performance
Inactive Publication Date: 2011-05-04
QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI +2
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However, the sources of magnesium oxide for this patented product are concentrated in Haicheng City, Dashiqiao City, Liaoning Province, and Laizhou City, Shandong Province. They are obtained by calcining magnesite. On the one hand, due to geographical limitations, it is difficult to promote and apply nationwide. On the other hand, it consumes a lot of precious magnesite resources in my country
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Embodiment 1
[0037] Embodiment 1: a kind of manufacturing method of lightly burned dolomite sandwich composite partition wall board, comprises the following steps successively:
[0038] (1) With lightly burned dolomite powder, industrial waste slag, blending agent solution, reinforcing thickener, chopped fiber, gas regulator, water-resistant additive and water reducing agent as raw materials, according to the mixing ratio of embodiment 2-9, Measured separately, mixed and stirred to make light burnt dolomite mixture;
[0039] (2) pouring a lightly burned dolomite mixture with a thickness of 2 to 5 mm on the bottom surface of the mold;
[0040] (3) Spread glass fiber mesh cloth;
[0041] (4) Pouring a lightly burned dolomite mixture with a thickness of 2 to 5mm;
[0042] (5) Place or pour the insulation sandwich layer;
[0043] (6) Pouring light-burned dolomite mixture around and on the surface of the thermal insulation sandwich layer, the thickness of the surface mixture is 2-5mm;
[00...
Embodiment 18
[0056] Example 18: The performance of the lightly burned dolomite sandwich composite partition wall panel prepared by the formula of Examples 2-17 was tested, and the results are shown in Table 3.
[0057] Table 3: Performance test table of the lightly burned dolomite sandwich composite partition wall board prepared by the formula of Example 2-17
[0058]
[0059]
[0060] It can be seen from Table 3 that the present invention has the characteristics of light weight, high strength, water resistance, frost resistance, impact resistance, and environmental protection requirements.
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Abstract
The invention relates to a lightly-calcined-dolomite sandwich composite partition wall plate and a manufacturing method thereof. The lightly-calcined-dolomite sandwich composite partition wall plate is of a composite structure comprising a shell and a core, wherein the core is a heat-insulating layer, and the shell is made of a fiberglass mesh enhanced lightly-calcined dolomite mixture. The manufacturing method comprises the following steps of: (1) preparing a lightly-calcined dolomite mixture; (2) pouring the lightly-calcined dolomite mixture 2-5 mm in thickness on the bottom surface of a mold; (3) spreading a fiberglass mesh; (4) pouring lightly-calcined dolomite mixture 2-5 mm in thickness; and (5) placing or pouring the heat-insulating core layer. The lightly-calcined-dolomite sandwich composite partition wall plate provided by the invention has the advantages of steam-free or autoclaving maintenance, quick normal-temperature reaction curing, high strength, good water resistance, no moisture absorption or helogenation, no efflorescence, frost resistance, sound insulation, heat insulation, flame retarding, utilization of a great amount of industrial solid wastes and agricultural wastes, resource and energy saving, no emission of three wastes and the like.
Description
technical field [0001] The present invention relates to a partition board and a manufacturing method thereof, in particular to a light-burned dolomite sandwich composite partition board which is lightweight, high-strength, good in water resistance, sound-insulating, heat-insulating, flame-retardant and meets environmental protection requirements and its method of manufacture. Background technique [0002] The reform of wall materials is an important part of protecting land resources, saving energy, comprehensively utilizing resources, and improving the environment. Promoting the use of new wall materials is one of the important ways to develop a low-carbon economy, realize building energy conservation, and achieve sustainable social development. In modern buildings, especially high-rise buildings with frame structure, a large number of lightweight partition panels are used in the interior walls. Commonly used lightweight partition panels include hollow wall panels, solid wal...
Claims
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Patent Type & Authority Applications(China)
IPC IPC(8): E04C2/288C04B28/30C04B28/36
CPCY02A30/244
Inventor 余红发武金永董金美王常清麻海燕李颖李成栋王梅娟吴成友
Owner QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI
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