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A cement-based self-leveling mortar with temperature adjustment function
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A self-leveling mortar and temperature regulation technology, applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of poor filling, poor fluidity, and no temperature regulation function, and save energy. , the effect of reducing the use time
Inactive Publication Date: 2011-12-28
CHINA JINGYE ENG TECH CO LTD
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Problems solved by technology
[0004] (1) There is no temperature adjustment function, and the heat transfer can only be carried out passively;
[0005] (2) The fluidity is not good, and the filling will not be dense during the construction process;
Method used
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Embodiment 1
[0016] Choose 60 kg of cement, 80 kg of sand, 20 kg of fly ash, 2.5 kg of water reducing agent, 10 kg of expansion agent, 5 kg of redispersible latex powder, 1 kg of defoamer, and 40 kg of phase change material. First put the sand and cement into the mixer and mix, then put the water reducer, fly ash, expansion agent, redispersible latex powder, defoamer, phase change material into the mixer, mix well and pack into bags.
Embodiment 2
[0018] Choose 25 kg of cement, 50 kg of sand, 10 kg of fly ash, 0.25 kg of water reducer, 5 kg of expansion agent, 1 kg of redispersible latex powder, 0.1 kg of defoamer, and 2 kg of phase change material. First put the sand and cement into the mixer for mixing, then put the water reducer, fly ash, expansion agent, redispersible latex powder, defoamer, phase change material into the mixer, and mix all the selected materials evenly in the factory Then packed into bags. After transporting to the construction site, add 20% water according to the weight percentage of the material, stir it with a hand drill for 2 minutes to form a self-leveling early-strength ground material with good fluidity, and then pour it evenly on the ground radiant heating equipment to form a dense and flat filling layer.
Embodiment 3
[0020] Choose 35 kg of cement, 55 kg of sand, 13 kg of fly ash, 1.5 kg of water reducing agent, 7 kg of expansion agent, 2 kg of redispersible latex powder, 0.5 kg of defoamer, and 20 kg of phase change material. Packed into bags after processing according to the method of embodiment 2. After transporting to the construction site, add 20% water according to the weight percentage of the material, use a forced mixer, a hand electric drill or manual mixing, and mix it into a self-leveling early-strength ground material with good fluidity, and then pour it evenly on the ground radiation heating equipment. A dense and flat filling layer is formed, and when the ambient temperature is 20°C, it can be installed within 2 hours after construction.
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Abstract
The invention proposes a cement based self-leveling mortar with a temperature regulation function, which comprises the following components according to parts by weight: 25 portions to 60 portions of cement, 50 portions to 80 portions of sand, 10 portions to 20 portions of fly ash, 0.25 portion to 2.5 portions of water reducing agent, 5 portions to 10 portions of expansion agent, 1 portion to 5 portions of redispersible latex powder, 0.1 portion to 1 portion of defoaming agent and 2 portions to 40 portions of phase change material. The invention has the advantages: (1) well mixed material has a self-leveling feature and can form ground with very high surface evenness; (2) the mortar has a high-early strength feature and people can walk on the surface 2 hours after the application of the mortar; and (3) the mortar has the temperature regulation function. The phase change material melts and absorbs heat to prevent temperature from rising when the ambient temperature rises; the phase change material solidifies and gives out heat to prevent temperature from reducing when the ambient temperature reduces, therefore, the temperature in a room can be maintained constant within a certain range to reduce the use time of an air conditioner or a central heating, thereby saving energy.
Description
technical field [0001] The invention relates to a special cement-based engineering material, in particular to a cement-based self-leveling mortar with a temperature regulating function. Background technique [0002] Ground radiant heating is a new heating method in recent years. It buries the heat source under the ground, heats the whole ground evenly, and uses the heat storage of the ground itself and the law of upward radiation of heat to conduct from bottom to top to achieve the purpose of heating. In this way, the shortcomings of the traditional heating method are overcome, and each room can be heated separately and the uniformity of the temperature in the room can be guaranteed. [0003] At present, the materials used to fill the heating layer for ground radiant heating are generally fine stone concrete and ordinary mortar, but they have the following shortcomings: [0004] (1) There is no temperature adjustment function, and the heat transfer can only be carried out p...
Claims
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Application Information
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