Preparation method of house outer-wall mortar
A mortar and exterior wall technology, which is applied in the field of preparation of house exterior wall mortar, can solve the problems that refractory bricks cannot be effectively bonded, easy to collapse, overturn, and refractory mud has no strength, etc., so as to achieve convenient operation in the configuration process and construction process, The setting time is short and the effect of increasing the adhesive performance
Inactive Publication Date: 2014-06-04
SICHUAN YAHAO REAL ESTATE DEV
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Problems solved by technology
[0006] Refractory mud is used as filling material, non-cementing material. After masonry refractory bricks are calcined at high temperature, because of the same chemical composition as refractory bricks, they can be effectively sintered into a whole, and have high strength after sintering and hardening; , refractory mud has almost no strength, and it cannot be effectively bonded with refractory bricks, and accidents such as collapse and overturning are prone to occur during the masonry process, posing a great safety hazard
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[0040] A preparation method of house exterior wall mortar of the present invention comprises the following components: raw materials are composed of 20-35% of cement, 2-5% of powdery refractory mud, 20-35% of bauxite powder, sand 50-60%, the balance is water. When the temperature is low, you can add early-strength agent or early-strength water reducer with a mass percentage of 0.5-2%. The maximum particle size of bauxite powder is less than 5mm, and the sand is continuous For graded medium sand, when the cement is 425 type, the dosage is 20-25%, when the cement is 525 type, the dosage is 17-25%, when the cement is 625 type, the dosage is 17-22% , When choosing 725 types of cement, the dosage is 15-20%.
[0041] The firewall will be dismantled after the oil testing operation is completed, and the land will be recultivated. Therefore, the firewall is a temporary structure, and the demolition time ranges from 20 days to 50 days after the spraying is completed. It is a tempora...
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Abstract
The invention relates to a preparation method of house outer-wall mortar, which comprises the following raw materials in percentage by mass: 20-35% of cement, 2-5% of powdery fire clay, 20-35% of bauxite powder, 50-60% of sand and the balance of water. The method provided by the invention effectively improves the early strength of mortar, and enhances the adhesive property between the mortar and refractory bricks while guaranteeing the strength of the mortar after high-temperature calcination; the sulfate corrosion resistance is enhanced; the preparation process and construction process are both convenient to operate, the construction cycle is not prolonged, other side effects and potential safety hazard are avoided, and the mortar is very suitable for the project with short construction cycle and put into use immediately after construction; the construction risk is effectively reduced, and the potential safety hazard is eliminated; the cost is lower than that of the traditional process.
Description
technical field [0001] The invention relates to a mortar used for a fire wall, in particular to a preparation method of the mortar for the outer wall of a house. Background technique [0002] Refractory cement is a powder made of bauxite clinker and a binder. It is used as a filling material for the gap between refractory bricks. Refractory cement is also called bauxite cement. It is water with low alkalinity aluminate as the main mineral The hard material is an unshaped refractory material. Bauxite, also known as bauxite or high alumina, is mainly composed of aluminum oxide; it is brown or light red due to iron content, with a density of 3.9-4q / cm3 and a hardness of 1-3; it is opaque, brittle, and insoluble in water. It is mainly used for aluminum or refractory materials. Refractory brick is a shaped refractory material, which is used to build firewalls or furnaces, and the content of aluminum oxide is more than 75%. [0003] In the process of oil and gas exploitation, a...
Claims
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IPC IPC(8): C04B28/00C04B14/06
Inventor 贺昶明
Owner SICHUAN YAHAO REAL ESTATE DEV