KR100382665B1 - The method and apparatus for manufacturing of building meterials using indutrial waste - Google Patents

Abstract

The present invention relates to a method for manufacturing building materials and manufacturing apparatus using industrial waste, and in the first step, after crushing the waste lime stored in the storage room, removing foreign matters from the filter, and then transferring it to a blower to crush it again in a secondary crusher. . Dry waste lime is prepared by drying with heated air, and recycle waste gypsum is manufactured in the same way using the same equipment as the second process and waste gypsum in the second process. After removing, the iron is separated by a magnetic separator, and then pulverized again in a secondary crusher, the foreign material is removed again in the secondary filter, and the final iron is separated from the secondary magnetic separator to prepare reclaimed sand. 4th step, steel slag is recycled waste slag by the same method as the third step, and the raw material manufactured in the 5th step, step is 15 to 20 weight of waste lime by meter attached to the lower part of storage 10 to 20 parts by weight of waste gypsum, 40 to 50 parts by weight of reclaimed sand, 3 to 10 parts by weight of steel slag, 10 to 18 parts by weight of cement and 2 to 5 parts by weight of waste incinerators through a conveyor (3). Thrown in 22) After the addition, 0.05 parts by weight of lignin sulfonate was added to the admixture, pulverized and stirred, then transferred to a molding machine by a conveyor, followed by molding into a high temperature steam curing room, followed by steam curing at 70-80 ° C. for 2 hours, and slow cooling for about 22 hours. The present invention relates to a method for manufacturing building materials and a manufacturing apparatus using industrial waste, characterized in that the building materials are manufactured.

Description

Method and apparatus for manufacturing construction materials using industrial wastes {The method and apparatus for manufacturing of building meterials using indutrial waste}

The present invention relates to a method for manufacturing building materials and manufacturing apparatus using industrial waste, and more particularly, to a brick, a block, a sidewalk block, a boundary stone, a telephone pole using waste lime mainly containing waste lime, cement, waste gypsum, and steel slag. The present invention relates to a method for manufacturing building materials and manufacturing equipment such as a fume pipe and a prefabricated building panel.

In general, the building material composition has been manufactured using cement, sand, gravel and water, such as cement bricks, but the strength is weak, to solve the problem of poor waterproof, soundproofing and soundproofing effect and to reduce the weight of building materials, in recent years Construction materials manufactured by adding materials have begun to be introduced.

Moreover, as the technology of composition materials for recycling incineration sludges and incineration residues, various kinds of synthetic resins and combustion residues of household waste, and construction materials for recycling of construction wastes has been developed day by day, the construction materials technologies formed by them have been developed in various fields. .

Korean Patent Publication No. 94-4779 discloses a composition for building materials mainly containing waste lime, cement, water and surfactants,

Korean Laid-Open Patent Publication No. 99-64880 discloses a method of manufacturing building bricks by kneading sand, crushed lime, cement, and water from a building demolition concrete material,

Korean Laid-Open Patent Publication No. 99-31805 describes lightweight building materials using waste lime using waste lime, waste foundry sand, clay and sand.

Korean Patent Application Publication No. 99-83777 describes a method of manufacturing civil construction materials such as bricks by mixing cement with particles of incineration residues, sludge, combustion materials, and construction waste materials of household waste and industrial waste.

The prior art relates to a building material composition used in a building, but did not completely solve the conventional problem of insulated, soundproofed, and waterproof.

In order to solve the problems as described above, the present invention is a construction material manufacturing method and manufacturing apparatus using industrial waste that solves the problem of heat insulation and waterproofing by forming a light concrete mortar mainly made of waste lime, such as factory waste, which is an environmental pollutant. The purpose is to provide.

1 is a detailed view of the waste casting sand and steel slag regeneration apparatus of the present invention

2 is a detailed view of the waste lime and waste gypsum recycling apparatus of the present invention

3 is a detailed view of a building material manufacturing apparatus using the industrial waste of the present invention

<Description of the Drawings>

Inlet (1,1`), primary crusher (2,2`), conveyor (3,3`), primary filter (4,4`),

Primary magnetic separator (5), secondary crusher (6,6`), secondary filter (7),

Secondary magnetic separator (8), recycled sand storage (9), recycled steel slug storage (9`),

Transfer blower (10), transfer pipe (11), blower (12), heater (13),

Recycled Waste Lime Storage (14), Recycled Waste Lime Storage (14`),

Automatic weighing machine (20, 20`), grinding stirrer (22), molding machine (24), curing machine (25)

Cement storage (26), admixture storage (27), waste incineration storage (28)

In order to achieve the above object, the present invention is an application of the patent application No. 10-2000-8258 filed by the applicant of the present invention to improve the building material composition and the manufacturing method using the waste lime, waste lime 15 to 20 weight Conveyor composition consisting of 10 to 20 parts by weight of waste gypsum, 40 to 50 parts by weight of waste foundry sand, 10 to 18 parts by weight of cement, 3 to 10 parts by weight of steel slag, 2 to 5 parts by weight of waste incinerators and 0.05 parts by weight of admixture (3) and put into the pulverizer and agitator (22, 23), and then crushed and stirred, then transferred to a molding machine by a conveyor, and then transferred to a high temperature steam curing room and steam cured at 70 ~ 80 ℃ for 2 hours It relates to a building material manufacturing method and manufacturing apparatus using industrial waste produced by slow cooling for about 22 hours.

Waste lime is generated as a by-product of soda ash and fertilizer manufacturing process, which causes environmental pollution, and its amount is increasing recently.

The main component of waste lime is composed of 20-30 parts by weight of CaCO ₃ , 10 parts by weight of CaO, 10 parts by weight of MgO, 5 parts by weight of CaCl ₂ , CaSO ₄ 5 parts by weight of Fe ₂ O ₃ Other substances, depending on the state left in the air The content of ingredients can be changed, it serves to lighten the building materials,

The waste foundry sand has a pH of about 9 to 10, its main component is SiC ₂ , and contains a small amount of alumina, iron oxide, etc., and most of them are treated by landfilling.

Waste gypsum is a kind of inorganic compound, and when used as cement composition, it delays the setting time.

Steel slag is to use what is produced as a by-product in the steel mill,

After the waste lime is pulverized, foreign matters are removed from the filter, and then transported to a blower, and then crushed again in a secondary mill, followed by drying with heated air to recycle waste lime. Waste gypsum is also recycled in the same way as above.

After crushing the waste foundry sand and steel slag to remove foreign substances from the filter, and then to separate the iron powder by the magnetic separator, and then crushed again in the secondary crusher, and then to remove the foreign substances in the secondary filter again, the secondary magnetic separator To separate the final iron, to produce and use recycled sand and waste slug,

As the admixture, a silica-based surfactant, lignin sulfonate, polyacrylamide, and the like are used as the surfactant.

The present invention has been developed to provide a building material composition using the industrial waste as described above and a manufacturing method thereof, to contribute to the environment and building materials.

Hereinafter, the present invention will be described with reference to Examples.

Example 1

After crushing the waste lime stored in the first process storage, the foreign matter is removed from the filter, then transferred to the blower, and then crushed again in the secondary crusher. Drying with hot air to recycle recycled lime.

The second step waste gypsum was recycled in the same manner using the same apparatus as the first step.

Step 3 After the waste foundry sand is crushed, foreign substances are removed from the filter, iron is separated by a magnetic separator, and then crushed again by the secondary crusher, and then the foreign substances are removed again by the secondary filter, and then the final magnetic separator is used. Iron powder was separated to prepare reclaimed sand.

The recycled slag of the fourth process steel slag was manufactured by the same method as that of the third process.

Example 2

15 parts by weight of waste lime, 15 parts by weight of waste gypsum, 40 parts by weight of reclaimed sand, 5 parts by weight of steel slag, 10 parts by weight of cement, and waste incineration materials by a meter attached to the lower part of the storage cell prepared in Example 1 The weight part was put into the grinding and stirrer (22, 23) through the conveyor (3), and then 0.05 part by weight of lignin sulfonate was added to the admixture, pulverized and stirred, and then transferred to a molding machine by a conveyor to be molded, followed by high temperature. After being cured at 70 ~ 80 ℃ for 2 hours and cured steam for 2 hours, it is cooled slowly for about 22 hours, and then the molded building material is transferred to the shade or warehouse to supply a certain amount of water with a spray to cure or dry out the final product. Manufacture.

Example 3

In Example 2, 18 parts by weight of waste lime, 15 parts by weight of waste gypsum, 50 parts by weight of reclaimed sand and 5 parts by weight of waste steel slag, 18 parts by weight of cement and 5 parts by weight of waste incinerators were mixed with 0.05 parts by weight of lignin sulfonate as a mixed material. To prepare a building material in the same manner as in Example 2.

Experimental Example

The physical properties of the building material using the waste lime prepared in the present invention is a test table in comparison with the conventional building materials.

1. Compressive strength and absorption rate comparison test results

Dimensions (mm) Compressive strength Water absorption Length Height thickness (N / mm2) (%) Conventional combustion ash brick 190 56 90 8 or more 15 or less Example 2 190 56 90 11-15 7-9 Example 3 190 56 90 11-14 7-10

Referring to the drawings in detail as follows.

1 is a waste casting sand and steel slag recycling apparatus of the present invention, Figure 2 is a waste lime and waste gypsum recycling apparatus of the present invention, Figure 3 shows a building material manufacturing apparatus using the waste lime of the present invention, the inlet (1,1 `), Primary grinder (2,2`), conveyor (3,3`), primary filter (4,4`), primary magnetic separator (5), secondary grinder (6,6`), 2 Filter (7), secondary magnetic separator (8), recycled sand storage (9), recycled steel slug storage (9`), transfer blower (10), transfer pipe (11), blower (12), heater (13) ), Recycled waste lime storage (14), recycled waste lime storage (14`), automatic weighing machines (20, 20`), grinding stirrer (22), molding machine (24), curing machine (25), cement storage (26), It shows that the admixture storage 27 and the waste incineration material (28).

Looking at the configuration as shown in Figure 1 as a device for recycling the waste foundry sand and steel slag, an injector (1) for injecting the waste foundry sand and steel slag in the crusher, a grinder (2) for pulverizing the input raw material, and the pulverized raw material filter Conveyor (3) to be transferred to, the filter 4, 4` to be introduced by the conveyor to filter the foreign matter, and the primary magnet is transferred to the conveyor (3) from the primary filter (4) to be separated by a magnet Separator 5, a secondary mill (6) for transferring the raw material separated by the primary magnetic separator (5) by the conveyor (3) and secondary grinding, and the raw material ground in the secondary mill (6) To the secondary filter (7) is introduced through the conveyor (3) and the secondary filtration, and the secondary magnetic separator for separating the secondary magnet by transferring the raw material filtered in the secondary filter (7) through the conveyor (3) (8) recycled sand and recycled steel sludge separated by the secondary magnetic separator (8) Consists of a reservoir (9) and (9`) for storing,

FIG. 2 relates to a recycling apparatus for waste gypsum and waste lime, wherein an inlet 1` for introducing waste lime and waste gypsum into a grinder 2` and a raw material pulverized by the grinder 2` are conveyed through a conveyor 3. A filter 4` for filtering by means of a filter, a transfer blower 10 for moving the raw material filtered by the filter 4` with a blower, a transfer pipe 11, and a raw material transferred by the transfer blower 10. Blower 12 and heater 13 for drying the raw material pulverized in the secondary crusher 6` and the raw material pulverized with the heated air; and the blower 12 and the heater 13 It consists of a recycled lime storage 14 and a recycled gypsum storage 14` for transporting and storing the raw material dried by the conveyor, and may be transported by installing a screw conveyor in the transfer pipe (11).

Figure 3 relates to a building material manufacturing apparatus using waste lime, the recycled sand storage (9), recycled steel slag storage (9`), recycled lime storage (14), recycled gypsum storage (14`), cement storage ( 26) and an automatic weighing machine 20 designed to automatically discharge the set amount installed in the lower part of the garbage storage 28, a conveyor 3 for conveying a certain amount of raw material, and a pulverization for pulverizing and stirring the raw materials. The stirrer 22, the mixing agent reservoir 27 to be introduced into the grinding stirrer 22, and the raw material pulverized and stirred by the grinding stirrer 22 are transferred to the conveyor 3 to form a building material 24. ), A steam drying curing machine 25 for drying the building material molded by the molding machine 24 with steam, and a yard 28 for natural curing the building material cured by the curing machine 25 again. It is

The present invention as described above is to produce building materials that are soundproof, waterproof, and insulating materials, while recycling environmental pollutants generated as by-products from industrial waste, to provide economical building materials and to contribute greatly to the national industry. .

Claims (5)

delete In the manufacturing method of building materials using industrial waste, In the first process, the waste lime stored in the storage room is pulverized, the foreign matter is removed from the filter, then transferred to the blower and crushed again in the secondary crusher. Dried by heated air to produce recycled waste lime, In the second process, the waste gypsum is manufactured in the same manner using the same apparatus as the first process, In the third process, the waste molding sand is pulverized to remove foreign substances from the filter, the iron is separated by a magnetic separator, and then crushed again in the secondary crusher, and then the foreign substances are removed again from the secondary filtration machine, and then in the secondary magnetic separator. The final iron is separated to produce reclaimed sand, In the fourth step, the steel slag is recycled waste slag in the same way as the third device, The fifth step, 15-20 parts by weight of waste lime, 10 to 20 parts by weight of waste gypsum, 40 to 50 parts by weight of reclaimed sand, 3 to 10 weights of steel slag by a meter attached to the lower part of the reservoir 10 to 18 parts by weight of cement and 2 to 5 parts by weight of waste incinerators are introduced into the grinding and stirrers 22 and 23 through the conveyor (3), and then 0.05 parts by weight of lignin sulfonate is added as a mixed material to grind and stir. Then, it is transferred to a molding machine by a conveyor and molded, and then transferred to a high temperature steam curing room, followed by steam curing at 70-80 ° C. for 2 hours, followed by slow cooling for about 22 hours, followed by construction of industrial wastes. Method of manufacturing the material. Apparatus for manufacturing construction materials using industrial waste, comprising: recycled sand storage (9), recycled steel slag storage (9`) for storing raw materials manufactured from waste foundry sand and recycled steel slag devices, and waste lime and waste gypsum recycling equipment; Automatic weighing machine 20 designed to automatically discharge the set amount installed in the lower portion of the recycling lime storage (14), recycled gypsum storage (14`), cement storage (26) and waste incineration ash storage (28), and Conveyor 3 for conveying raw materials, a pulverizing stirrer 22 for pulverizing and stirring the raw materials, a mixing agent reservoir 27 for feeding into the pulverizing stirrer 22, and raw materials pulverized and stirred in the pulverizing stirrer 22 Is transferred to the conveyor (3), the molding machine 24 for molding the building material, the steam drying curing machine 25 for drying the building material molded in the molding machine 24 with steam, and the curing machine (25) Building materials cured in Apparatus for manufacturing building materials using industrial waste, characterized in that it comprises a yard (28) for natural curing again. The waste molding sand and steel slag recycling apparatus of claim 3, wherein the waste molding sand and steel slag recycling apparatus includes a feeder (1) for feeding the stored waste casting sand and steel slag to a grinder, a grinder (2) for grinding the injected raw material, and a conveyor for transferring the ground raw material to a filter. (3), a filter (4) which is introduced by the conveyor to filter foreign matter, a primary magnetic separator (5) which is transferred from the primary filter (4) to the conveyor (3) and separated by a magnet; The secondary mill (6) for conveying the raw material separated by the primary magnetic separator (5) by the conveyor (3) and the second mill, and the raw material ground in the secondary mill (6) to the conveyor (3) The secondary filter (7) and the secondary magnetic separator (8) for separating the secondary magnets by transferring the raw material filtered by the secondary filter (7) and the secondary filter (7), which is introduced through the secondary filtration. A reservoir (9) for storing reclaimed sand and recycled steel slugs separated by the primary magnetic separator (8); Apparatus for manufacturing building materials using industrial waste, characterized in that comprises (9`). 4. The waste lime and waste gypsum regeneration apparatus of claim 3, wherein the waste lime and waste gypsum recycling apparatus transfers the raw material pulverized into the grinder 2 ′ and the raw material pulverized by the crusher 2 ′ through the conveyor 3. A filter 4` for filtering by means of a filter, a transfer blower 10 for moving the raw material filtered by the filter 4` with a blower, a transfer pipe 11, and a raw material transferred by the transfer blower 10. Blower 12 and heater 13 for drying the raw material pulverized in the secondary crusher 6` and the raw material pulverized with the heated air; and the blower 12 and the heater 13 Apparatus for manufacturing building materials using industrial waste, characterized in that it comprises a recycled lime storage (14) and a recycled gypsum storage (14`) for transporting and storing the raw material dried by the conveyor.