WO2016058162A1

WO2016058162A1 - Wall brick for buildings and preparation method therefor and wall composed therefrom

Info

Publication number: WO2016058162A1
Application number: PCT/CN2014/088742
Authority: WO
Inventors: 李世光
Original assignee: 李世光
Priority date: 2014-10-16
Filing date: 2014-10-16
Publication date: 2016-04-21

Abstract

A wall brick for buildings and a preparation method therefor and a wall composed therefrom. The brick comprises the following components in parts by weight: 50-70 parts of SiO₂, 5-10 parts of CaO, 9-15 parts of Al₂O₃, 10-16 parts of ZrO₂, 0.5-1.5 parts of SiC and 18-28 parts of Nishan stone from Qufu, and the brick has a mountain-shaped bulge. The brick has good heat preservation and fireproofing performances.

Description

Wall brick for building, preparation method thereof and wall composed of wall brick

Technical field

The invention relates to the technical field of materials, in particular to a wall brick for building, a preparation method thereof and a wall body composed of wall bricks.

Background technique

The use of river and lake silt sintering new wall materials has been fully utilized in China. At present, the main products are standard bricks, porous bricks and other products, which are widely used in industrial and civil buildings, and have played a positive role in promoting the basic national policy of prohibiting the use of land and resources and comprehensive utilization of resources. At the same time, it is also one of the new wall materials strongly promoted by the state, in line with national industrial policies. Standard bricks are used for load-bearing walls and perforated bricks for frame structure infill walls. The problem is that the wall does not reach 50% of the public construction required by the state, and 65% of the energy-saving insulation effect is built. It is necessary to make insulation on the external wall, costing materials, long construction period, low fire performance, poor sound insulation effect, and external wall insulation still have quality problems such as short service life, easy water seepage and falling off.

Summary of the invention

In order to meet the demand for energy-saving insulation standards of 50% of the state's public construction, the invention provides a wall brick for construction. Good heat preservation effect, fire retardant, anti-aging, high durability, long life, stable performance, good safety and stability, the outer wall is no longer used for heat preservation, it can reach the national public construction 50% residential construction 65% energy-saving insulation standard . Because the external wall does not need to be insulated by the external wall, the construction cost can be reduced by 40-45 yuan per square meter compared with the traditional practice.

In order to achieve the above object, the present invention provides a wall brick for construction comprising the following components by weight ratio: 50-70 parts of SiO ₂ , CaO 5-10 parts, Al ₂ O ₃ 9-15 parts, ZrO ₂ 10-16 parts, SiC 0.5-1.5 parts and 18-28 parts of Querini.

The building wall brick comprises a left end brick body, an intermediate brick body and a right end brick body.

The left end brick body is a profile composed of a Japanese-shaped hollow brick body and a mountain-shaped convex protrusion located on the right side of the Japanese-shaped hollow brick body; the right end brick body is composed of a Japanese-shaped hollow brick body and is located in a Japanese shape a profile of two symmetrical rectangular protrusions on the left side of the hollow brick body, two of the rectangular protrusions on the left side of the right end brick body and the mountain-shaped protrusions on the right side of the left end brick body Outside the gap The contours are the same.

The intermediate brick body comprises a Japanese-shaped hollow brick body, the right side of the Japanese-shaped hollow brick body is provided with the same mountain-shaped protrusion as the left end brick body, and the left side is provided with the same same as the right-end brick body The rectangular protrusions.

The invention also provides a preparation method of a wall brick for building, comprising the following steps:

Step 1. According to the parts by weight, the components are pulverized to a particle size of ≤ 2 mm by a pulverizer, sent to a box feeder by a forklift, and then conveyed by a belt conveyor to a powerful mixer for 8-10 minutes. Add 8-13 parts of water;

Step 2: The stirred mixture enters the QTY-15 mold-shock block forming machine through the belt conveyor, and is pressed and formed by cloth, mold and normal temperature; the block forming time is 30-60 seconds per plate, and the block is formed after being formed. Drying room, temperature 95-98 ° C, the block is dried in the drying chamber for 22-24h, the dried block is heated in sections in the kiln, firstly, the temperature is raised to 300 degrees in one hour. 2.5 hours, then continue to heat up, raise the temperature to 800 degrees in 2 hours, fire for 3-4 hours, the temperature is raised to 1200 ° C in the last hour, the sintering is completed for 48 hours, cooling for 48 hours, get the building Wall bricks.

The invention also provides a wall body composed of wall bricks for building, the wall body comprises a plurality of layers parallel to the upper and lower sides, and the middle part of the wall body of each layer uses a plurality of the intermediate brick bodies connected in series at the ends, both ends Forming a layer using a left end brick body and a right end brick body, respectively, between two adjacent intermediate brick bodies, between the intermediate brick body and the left end brick body, and the intermediate brick body and The rectangular body between the right end portions is fitted and connected by the rectangular protrusion and the mountain-shaped protrusion.

Between each layer of the wall, between two adjacent intermediate bricks of the wall of each layer, between the intermediate brick body and the left end brick body, and the intermediate brick body Cement or mortar is applied between the right end brick body.

The outer surface of the wall is covered with cement and crack resistant mortar.

The beneficial effects of the invention are: the comprehensive utilization of resources is prohibited, the grounding effect is remarkable, the heat preservation effect reaches the energy saving standard of 65% of the national public construction, and the fireproof performance is good, the service life is long, and the production cost is reduced by 40-45 per square. Yuan, eliminating the common quality problems caused by traditional wall practices.

The wall constructed by the product is not used for heat preservation, which completely solves the disadvantages of the traditional external wall insulation and easy to produce quality accidents, and has the advantages of good heat preservation effect, good fireproof performance, long service life, low cost and stable connection.

DRAWINGS

1 is a schematic structural view of a left end brick body according to Embodiment 1 of the present invention.

2 is a schematic structural view of an intermediate brick body according to Embodiment 2 of the present invention.

3 is a schematic structural view of a brick body at the right end according to Embodiment 3 of the present invention.

4 is a top plan view of a wall according to an embodiment of the present invention.

Figure 5 is a side view of a wall of an embodiment of the present invention

Among them, 1, Japanese-shaped hollow brick body; 2, mountain-shaped convex; 3, two symmetrical convex.

Detailed ways

In view of the problems of the prior art, the present invention provides a wall brick for building comprising the following components by weight ratio: 50-70 parts of SiO ₂ , CaO 5-10 parts, Al ₂ O ₃ 9-15 parts, ZrO ₂ 10-16 parts, SiC 0.5-1.5 parts, Qufu Nishan stone parts. The heat preservation effect can reach the national energy requirement of 50% of the public construction of more than 65% of the building. The wall of the masonry does not need to be insulated by the external wall. Compared with the traditional hollow brick masonry, the cost per square meter can be reduced by 40-45 yuan. The product meets the national A1 fire protection standard and has the same life span of more than 70 years.

Embodiment 1 The left end brick body of the present invention

See Figure 1

A wall brick for construction comprising the following components by weight ratio: 50 parts of SiO ₂ , 10 parts of CaO, 12 parts of Al ₂ O ₃ , 13 parts of ZrO ₂ , 0.5 parts of SiC, and 22 parts of Tritonite.

The left end brick body is composed of a Japanese-shaped hollow brick body and a mountain-shaped convex protrusion at one end of the Japanese-shaped hollow brick body.

The preparation method of the wall brick for building comprises the following steps:

Step 1. According to the parts by weight, the components are pulverized to a particle size of ≤ 2 mm by a pulverizer, sent to a box feeder by a forklift, and then conveyed by a belt conveyor to a powerful mixer for 10 minutes, and water is added during the stirring process. Share

Step 2, the stirred mixture enters the QTY-15 mold-shocking block forming machine through the belt conveyor, and is pressed and formed by cloth, mold and normal temperature; the block forming time is 60 seconds per plate, and the block is formed into the drying room after molding. , the temperature is 98 ° C, the block is dried in the drying chamber for 24h, and the dried block is heated in stages in the kiln. Firstly, the temperature is raised to 300 degrees in one hour and fired for 2 hours, then continue to heat up. The temperature is raised to 800 degrees in 2 hours, fired for 4 hours, and the temperature is raised to 1200 ° C in the last hour, firing 48 After the hour is sintered, it is cooled for 48 hours to obtain a wall brick for construction.

The density is 580kg/m ³ , the compressive strength is 7.1Mpa, the water absorption rate is 8%, the weathering resistance is 0.55, and the composite wall thermal resistance is 2.8M ² K/M.

Embodiment 2 intermediate brick body of the present invention

See Figure 3

A wall brick for building comprising the following components by weight ratio: 70 parts of SiO ₂ , 8 parts of CaO, 15 parts of Al ₂ O ₃ , 10 parts of ZrO ₂ , 1.5 parts of SiC, and 18 parts of Tritonite.

The middle brick body is composed of a Japanese-shaped hollow brick body, and one end of the Japanese-shaped hollow brick body is provided with a mountain-shaped protrusion, and the other end is provided with two symmetric protrusions.

Step 1. According to the parts by weight, the components are pulverized to a particle size of ≤ 2 mm by a pulverizer, sent to a box feeder by a forklift, and then conveyed by a belt conveyor to a powerful mixer for 8 minutes, and water is added during the stirring process. Share

Step 2: The stirred mixture enters the QTY-15 mold-shocking block forming machine through the belt conveyor, and is pressed and formed by cloth, mold and normal temperature; the block forming time is 30 seconds per plate, and the block is formed into the drying room after molding. At a temperature of 95 ° C, the block is dried in a drying chamber for 22 hours. The dried block is fired in sections in a kiln. The temperature is first raised to 300 degrees in an hour for 2.5 hours, and then the temperature is continued. The temperature was raised to 800 degrees in 2 hours, fired for 3 hours, and the temperature was raised to 1200 ° C in the last hour, and the sintering was completed in 48 hours, and the mixture was cooled for 48 hours to obtain a wall brick for construction.

The density is 560kg/m ³ , the compressive strength is 7.2Mpa, the water absorption rate is 7%, the weathering resistance is 0.54, and the composite wall thermal resistance is 2.7M ² K/M.

Embodiment 3 The right end brick of the present invention

See Figure 2.

A wall brick for building comprising the following components by weight ratio: 60 parts of SiO ₂ , 5 parts of CaO, 9 parts of Al ₂ O ₃ , 16 parts of ZrO ₂ , 1 part of SiC, and 28 parts of Tritonite.

The right end brick body is a profile composed of a Japanese-shaped hollow brick body and two symmetrical protrusions at one end of the Japanese-shaped hollow brick body.

Step 1. According to the parts by weight, the components are pulverized by a pulverizer to a particle size of ≤ 2 mm, and sent to the box with a forklift. After the metering machine is metered, it is conveyed by a belt conveyor to a powerful mixer for 10 minutes, and 8-13 parts of water is added during the stirring process;

Step 2, the stirred mixture enters the QTY-15 mold-shocking block forming machine through the belt conveyor, and is pressed and formed by cloth, mold and normal temperature; the block forming time is 60 seconds per plate, and the block is formed into the drying room after molding. , the temperature is 98 ° C, the block is dried in the drying chamber for 24h, and the dried block is heated in stages in the kiln. Firstly, the temperature is raised to 300 degrees in one hour and fired for 2.5 hours, then continue to heat up. The temperature was raised to 800 degrees in 2 hours, fired for 4 hours, and the temperature was raised to 1200 ° C in the last hour, and the sintering was completed for 48 hours, and the mixture was cooled for 48 hours to obtain a wall brick for construction.

The density is 580kg/m ³ , the compressive strength is 7.0Mpa, the water absorption rate is 8%, the weathering resistance is 0.54, and the composite wall thermal resistance is 2.8M ² K/M.

Embodiment 4 Wall composed of wall bricks for building

See Figure 4 and Figure 5

The wall consists of four layers of parallel upper and lower sides. The middle part of each wall uses two intermediate bricks connected in series at the beginning and the end. The two ends are respectively composed of a left end brick body and a right end brick body, and two adjacent intermediate bricks. Between the body, between the intermediate brick body and the left end brick body, and between the intermediate brick body and the right end brick body, a rectangular protrusion and a mountain-shaped protrusion are fitted and connected.

Mortar is applied between each layer of the wall, between two adjacent intermediate bricks of each wall, between the intermediate brick and the left end brick, and between the intermediate brick and the right end brick.

The outer surface of the wall is covered with a crack-resistant mortar.

It can be seen from Table 1 that the insulation brick for building insulation of the embodiment of the present invention has good heat preservation effect, and the product with good safety and stability, the outer wall is no longer used for heat preservation, and can reach the energy-saving insulation standard of 65% of the national public construction 50%.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalents, improvements, etc., which are within the spirit and scope of the present invention, should be included in the protection of the present invention. Within the scope.

Claims

A wall brick for building characterized by comprising the following components by weight ratio: 50-70 parts of SiO 2 , 5-10 parts of CaO, 9-15 parts of Al 2 O 3 , 10-16 parts of ZrO 2 , SiC 0.5-1.5 parts and 18-28 parts of Tritonite.
The wall brick for a building according to claim 1, wherein the wall brick for construction comprises a left end brick body, an intermediate brick body, and a right end brick body.
The wall brick for building according to claim 2, wherein the left end brick body is a profile composed of a Japanese-shaped hollow brick body and a mountain-shaped protrusion located on the right side of the Japanese-shaped hollow brick body; The right end brick body is a profile composed of a Japanese-shaped hollow brick body and two symmetrical rectangular protrusions on the left side of the Japanese-shaped hollow brick body, and the rectangular protrusion on the left side of the right-end brick body is The two girth outer contours formed by the sagittal protrusions on the right side of the left end brick body are the same.
The wall brick for building according to claim 3, wherein the intermediate brick body comprises a Japanese-shaped hollow brick body, and the right side of the Japanese-shaped hollow brick body is provided with the same as the left end brick body. The mountain-shaped protrusion is provided with the same rectangular protrusion as the right end brick body on the left side.
The method for preparing a building wall brick according to any one of claims 1 to 4, characterized in that it comprises the following steps:

Step 1. According to the parts by weight, the components are pulverized to a particle size of ≤ 2 mm by a pulverizer, sent to a box feeder by a forklift, and then conveyed by a belt conveyor to a powerful mixer for 8-10 minutes. Add 8-13 parts of water;

Step 2: The stirred mixture enters the QTY-15 mold-shock block forming machine through the belt conveyor, and is pressed and formed by cloth, mold and normal temperature; the block forming time is 30-60 seconds per plate, and the block is formed after being formed. Drying room, temperature 95-98 ° C, the block is dried in the drying chamber for 22-24h, the dried block is heated in sections in the kiln, firstly, the temperature is raised to 300 degrees in one hour. 2.5 hours, then continue to heat up, raise the temperature to 800 degrees in 2 hours, fire for 3-4 hours, the temperature is raised to 1200 ° C in the last hour, the sintering is completed for 48 hours, cooling for 48 hours, get the building Wall bricks.
A wall body composed of the wall brick for building according to any one of claims 1 to 4, wherein the wall body comprises a plurality of layers vertically parallel, and each of the layers of the wall is connected in series with a plurality of ends. The intermediate brick body is composed of a left end brick body and a right end brick body, and two adjacent intermediate brick bodies, the middle brick body and the left end brick body. Between the intermediate brick body and the right end brick body, the rectangular protrusion and the mountain-shaped protrusion are fitted and coupled.
A wall composed of a wall brick for a building according to claim 6, wherein between each of the layers of the wall, between two adjacent intermediate bricks of the wall of each layer Cement or mortar is applied between the intermediate brick body and the left end brick body and between the intermediate brick body and the right end brick body.
A wall body composed of a wall brick for a building according to claim 6 or 7, wherein the outer surface of the wall body is covered with cement and crack-resistant mortar.