Hollow heat-insulation building block and method of producing the same

An insulating block and hollow technology, applied in the field of building materials, can solve the problems of insufficient wind pressure resistance, cumbersome construction, unsafe use, etc., and achieve the effect of reducing the overall cost

Inactive Publication Date: 2009-09-23
无锡裕宸建筑节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Facing the specific implementation of this requirement and standard, the current thermal insulation exterior wall system, polystyrene board and compact board will face practical problems in technology and construction: the thermal conductivity of polystyrene board is 0.04w / m·k, The thermal conductivity of the dense board is 0.027-0.029w / m·k. Although the thermal conductivity of the dense board is good, its wind resistance value cannot withstand the high-rise buildings.
This will inevitably lead to the disadvantages of cumbersome construction, insufficient wind pressure resistance, and unsafe use on high-rise buildings.

Method used

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  • Hollow heat-insulation building block and method of producing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Preparation of waterproofing liquid: 10kg of waterproofing agent (KL-205 Kele high-efficiency waterproofing series, produced by Chengdu Xinglong Chemical Co., Ltd.) mixed with 200kg of water.

[0033] Weigh each raw material according to the following parts by weight (unit: kg): acidified magnesium powder 99.4, superfine building material high-efficiency additive 0.6 (prepared according to the method disclosed in the patent No. ZL200310113325.2 or purchased from Shanghai Yuchen Technology Co., Ltd. ), open-cell expanded perlite 200; after the above raw materials are mixed evenly, 80kg of waterproof liquid is added, and the traditional brick-making process is used to press and make bricks without calcining and drying.

[0034] The hollow thermal insulation blocks prepared in this example were tested, and the performance results are shown in Table 1.

[0035] Table 1 Performance test results of the hollow thermal insulation block of the present invention

[0036] ...

Embodiment 2

[0038] Weigh each raw material according to the following parts by weight (unit: kg): acidified magnesium powder 97, superfine building material high-efficiency additive 3 (prepared according to the method disclosed in the patent No. ZL200310113325.2 or purchased from Shanghai Yuchen Technology Co., Ltd. ), open-cell expanded perlite 300; after mixing the above raw materials evenly, add 90kg of waterproof liquid, and use traditional brick-making technology to press and make bricks, without calcination and drying.

[0039] The hollow thermal insulation blocks prepared in this example were tested, and the performance results are shown in Table 2.

[0040] Table 2 Performance Test Results of Hollow Insulation Blocks of the Present Invention

[0041] Test item name and unit Insulation brick Density 300-400 Thermal conductivity w / m·k ≤0.1 Intensity (MPs) 1-2

[0042] Water absorption (%) 23

Embodiment 3

[0044] Weigh each raw material according to the following parts by weight (unit: kg): acidified magnesium powder 99.1, superfine building material high-efficiency additive 0.6 (prepared according to the method disclosed in the patent No. ZL200310113325.2 or purchased from Shanghai Yuchen Technology Co., Ltd. ), closed-cell expanded perlite 150; after mixing the above raw materials evenly, add 90kg of waterproof liquid, and use traditional brick-making technology to press and make bricks, without calcination and drying.

[0045] The hollow thermal insulation blocks prepared in this example were tested, and the performance results are shown in Table 3.

[0046] Table 3 Performance test results of the hollow thermal insulation block of the present invention

[0047] Test item name and unit Imitation red brick insulation brick Density 300-400 Thermal conductivity w / m·k ≤0.08 Intensity (MPs) 1-2 Water absorption (%) 24

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Abstract

The invention discloses a novel hollow insulating block and a preparation method thereof. The hollow thermal insulation block of the invention is mainly made of the following raw materials in parts by weight: 0.5-1.5 parts of acidified magnesium thermal insulation material additive and 1-3 parts of expanded perlite. The preparation method of the hollow thermal insulation block of the present invention comprises the following steps: 1) weighing each raw material according to the following parts by weight: 0.5-1.5 parts of acidified magnesium thermal insulation material additive and 1-3 parts of expanded perlite; 2) mixing the above raw materials evenly Finally, add water which is 30-40% of the total weight of the mixture, use the traditional brick-making process to press and make a hollow block, and dry it without calcination. The hollow thermal insulation block prepared by the method of the present invention is a non-burning product. After the slurry is dried, a crystal lattice is formed, and the minimum pressure can withstand 1.0MPa, and the maximum pressure can be as high as 2.0MPa, and its thermal conductivity is 0.08 -0.1 / m·k, which is 8 times the temperature resistance capacity of ordinary bricks. The thermal insulation brick of the invention has the advantages of energy saving, sound resistance, thermal insulation, fire prevention and pressure bearing, and is a building thermal insulation material with excellent performance.

Description

technical field [0001] The invention relates to a building material, in particular to a hollow thermal insulation block for building and a preparation method thereof, belonging to the field of building materials. Background technique [0002] At present, the thermal insulation materials using polystyrene board, dense polystyrene board and thermal insulation mortar (cement mixed with polystyrene particles) in the thermal insulation market all have their own insurmountable defects and unsatisfactory parts in technology. [0003] Polystyrene board is an organic material extracted from petroleum. Sensitive to the influence of temperature, the molecular activity is very active. The heat-resistant temperature is only 70°C, and the dimensional change rate reaches 5% after 48 hours at 70°C as measured by experiments. The outdoor temperature in Northeast China is -45°C to -20°C in winter, and the wall temperature in South China can reach a maximum of 70°C to 75°C in summer. The po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B22/08C04B14/18
Inventor 刘贵堂刘曦
Owner 无锡裕宸建筑节能科技有限公司
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