JP2000128615A - Wallboard filler - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a wallboard filler capable of forming a stable wallboard having excellent fireproofing and waterproofing properties and excellent noiseproof and heat insulating effect, lightweight and high pressure-resistant strength by subjecting coal dust after coal combustion to grinding and polishing processing into granules having a specific particle diameter and powder waste. SOLUTION: Coal dust as a waste after combustion of coal is subjected to grinding and polishing processing into granules having <1 cm diameter and powder waste. The granules and the powder waste are packed into bags and the bags are transported to an application place for producing a wallboard, opened, mixed with water, mechanically stirred and directly poured into a hollow part of a wallboard. In the operation, the granules are used as a coarse aggregate and the powder waste is used as a fine aggregate. A paste obtained by mixing the granules, the powder waste, cement and water sufficiently exhibits a bonding form of concrete. Preferably sand is added to the paste to increase pressure-resistant strength. A waterproofing agent is added to the paste to enhance waterproofing function. Consequently this filler can be suitably used as a filler in a bathtub of a building such as especially a concrete block, etc., in a partition wall of kitchen, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a type of wallboard packing, and more particularly, to a method of combining concrete by crushing coal dust after burning and utilizing coal to form granules having a diameter of less than 1 cm. By operating and mixing with cement and water, the thus formed wallboard filler is transported and injected into the hollow part of the wallboard at high pressure, so that fire and water resistance are good and sound insulation and heat insulation effect are obtained. The present invention relates to an apparatus capable of forming a good, light unit weight, high withstand pressure strength and stable wallboard.

[0002]

2. Description of the Related Art Generally, a conventional lightweight partition wall is filled with glass wool in an intermediate hollow portion thereof, thereby achieving a soundproofing effect. This filling is light and certainly has its advantages in structural loading operations and is therefore used to date. However, its soundproofing effect, fireproofness, waterproofness, durability, hanging performance and impact resistance of the wallboard could not be improved, so that the operation could only be slightly applied to the partition wall.

[0003] The wallboard filler, which is recently used and is made by mixing styrofoam granules (1) with sand (2), cement (3) and water (4) and filling the hollow portion of the wallboard, is Although the effect can improve the function of the wallboard compared to the traditional wallboard packing, the use of styrofoam granules (1) achieves the purpose of increasing weight and weight, but its fire protection performance The styrofoam granules chemically changed when exposed to heat and generated toxic gas.

Further, in recent years, automation of the production process and greening policy have been actively promoted, and the present invention plays a part of the policy. In recent years, awareness of environmental protection has increased internationally, and great care has been taken to prevent the occurrence of secondary pollution when using chemical materials. Further, the present invention solves disadvantages such as difficulty in obtaining natural material resources and incomplete operation method, and provides an effect of compensating for a shortage of natural materials such as sand and stone.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks of the prior art, and has been made in view of the above-mentioned drawbacks. Achieve the effect as well as the concept and spirit of environmental protection, process and reuse a large amount of waste after being used in industry, and have the added effect that this material is easy to obtain It is an object to provide a kind of wallboard packing.

More specifically, the present invention utilizes coal dust after coal combustion, pulverizes the coal dust into granules having a diameter of less than 1 cm and dust, and operates a concrete bonding system.
It is to be mixed and stirred with cement and water and transported and injected into the partition wall at high pressure.

[0007]

According to the first aspect of the present invention, coal dust after coal combustion is mixed with cement and water according to the necessity of the structural function of the wall plate, mixed and stirred, and then pressed at high pressure. A wall plate filler that can be injected into the hollow part of the above, characterized in that the coal dust after the coal combustion is crushed and polished into granules and dust having a diameter of less than 1 cm. . According to a second aspect of the present invention, there is provided the wallboard filler according to the first aspect, wherein sand is further added for enhancing the coercive strength. According to a third aspect of the present invention, there is provided the wallboard filler according to the first aspect, wherein a waterproofing agent is further added to improve waterproofness.

[0008]

FIG. 2 shows a combination of the wallboard packing of the present invention. It collects coal dust, which is waste after burning coal, and crushes and grinds it into granules and dust 5 with a diameter of less than 1 cm to prevent them from being blown away by the wind and to make them convenient for transportation. Then, transport it to the construction site where the wallboard will be made, open it, mix the cement 6 and water 7 in different ratios as needed for the wallboard process, and inject directly into the hollow part of the wallboard after mechanical stirring. Is done. Granules smaller than 1 cm in diameter are considered as coarse aggregate,
Is fine aggregate.

The original coal dust is in an irregular state, and its diameter is 2 to 7 cm. When the cement 6 is directly combined with the water 7 by stirring, the gap between the coal dust is too large and the amount of the cement 6 used Are no longer economically costly, and their coercive strength and density are non-uniform and unstable, which poses a problem in the safety of the subsequent fastening of the hanging material. The original coal dust is polished and pulverized into granules and dust 5 with a diameter of less than 1 cm, mixed with cement 6 and water 7, and the paste obtained by stirring is exhibiting a concrete bonding method. Strong, convenient for transportation, can be injected into the hollow part of the wall plate to improve the density and pressure resistance, uniform density, good waterproofing, light weight, high pressure resistance, hanging goods Safe against

[0010] The materials are mixed in different ratios,
Tested after 8 days, the density was 700 kg / m
^{3 to} 1000 kg / m ³ , withstand pressure 1300 PSI
2000 PSI, and its density, compressive strength and cement dose are directly proportional.

The present invention has a low mass and a unit weight of 70
In ^{0kg / m 3 ~1000kg / m 3} , normal 1 / 3-1 / 2 of the unit weight of the concrete, a 2 / 5-2 / 3 of the unit weight of the block wall. The pressure resistance of the present invention is from 1300 PSI to 2000 PSI, which is better than the pressure resistance of the block wall from 600 PSI to 1000 PSI, so that after the wall is completed, there is no problem in hanging in the subsequent process and special materials are used. There is no need to mix. Although the present invention theoretically does not require close contact with the wall plate surface,
However, after injecting the present invention, the serum penetrates into the pores of the plate surface, and after the serum solidifies, the packing and the wall plate are tightly bonded to each other, and the peeling phenomenon does not occur. In addition, it enhances the pressure resistance of the wall plate surface and provides good waterproof performance. INDUSTRIAL APPLICATION This invention is applicable to RC structure, SC structure, and SRC structure, and is the wallboard filler which can strengthen the strength of the partition wallboard of buildings, such as block construction.

As shown in FIG. 3, the present invention can add sand to enhance its coercive strength. When sand 8 was mixed with the present invention at different ratios, and the sample was tested after 28 days, the density was 800 kg / m ³ (unit weight).
And the pressure resistance was 1500 PSI to 2300 PSI. Be added sand 8 in the present invention, the unit weight was slightly 800kg / m ³ ~1200kg / m ^3, and the unit weight of the ordinary concrete 1 / 3-1 / 2,
It is 2/5 to 2/3 of the unit weight of the block wall. The withstanding strength is between 1500 PSI and 2300 PSI, which is better than the withstanding strength of the block walls of 600 PSI to 1000 PSI.

FIG. 4 shows an embodiment in which a waterproofing agent is combined with the present invention. In the present invention, a waterproofing agent 9 is added to enhance the waterproofing function. This embodiment is particularly applied to RC structure, SC structure and SRC structure, and is used for a specific part of a building such as a block structure, for example, a partition wall of a bathtub, a kitchen, and the like. It is used as a filler inside, and exhibits waterproofing and lubricating properties due to the material properties of the waterproofing agent 9, makes the distribution of coarse particles more uniform, and is convenient for mechanical transportation after mixing and stirring.

[0014]

In summary, the present invention prolongs the use time of the well-known technology, is excellent in fireproof and waterproof properties, has good soundproof and heat insulating properties, is excellent in shock resistance and hanging performance, and has a unit weight. But light, with increased pressure resistance. The present invention recycles waste, conforms to the concept of environmental protection and is easy to obtain, its function is definitely enhanced, and its use value is improved, and the disadvantages of known technology And is not published prior to the filing of the application and is not readily apparent to those of ordinary skill in the art than known technologies and possesses novelty and industrial value. are doing.

[Brief description of the drawings]

FIG. 1 is a combination block diagram of a traditional conventional wallboard packing.

FIG. 2 is a combination block diagram of the wallboard packing of the present invention.

FIG. 3 is a combination block diagram to which the sand of the present invention is added.

FIG. 4 is a combination block diagram to which a waterproofing agent of the present invention is added.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Styrofoam granules 2 Sand 3 Cement 4 Water 5 Granules and powder dust smaller than 1 cm in diameter 6 Cement 7 Water 8 Sand 9 Waterproofing agent

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (reference) C04B 18:10 14:06) 111: 70

Claims (3)

[Claims] 1. Filling a wall plate so that coal dust after coal combustion can be mixed with cement and water and mixed and stirred as required for the structural function of the wall plate and then injected into the hollow portion of the wall plate at high pressure. A filler for a wall plate, wherein the coal dust after the coal combustion is pulverized and polished to produce granules and dust having a diameter of less than 1 cm. 2. The wallboard filling according to claim 1, wherein sand is further added for increasing the coercive strength. 3. The wallboard filling according to claim 1, wherein a waterproofing agent is further added to enhance waterproofness.