KR20100082407A - The mixing-earth manufacturing-process for restoring ruined quarry - Google Patents

Abstract

PURPOSE: A manufacturing method of cover soil for covering ruined quarry is provided to use industrial waste including sewage and wastewater, sludge, and combustion ash for successively producing the cover soil. CONSTITUTION: A manufacturing method of cover soil for covering ruined quarry comprises the following steps: storing sewage and wastewater, and sludge; storing fuel ash, an incinerate material, and quicklime; mixing the fuel ash and the incinerate material; mixing the mixture with cement or the quicklime; and mixing the mixture from the previous step with the sewage and wastewater, and the sludge.

Description

Manufacturing method of cover material for restoration of waste quarry {The mixing-earth manufacturing-process for restoring ruined quarry}

The present invention relates to a method for manufacturing a cover material for use in restoring a circularly damaged area, such as a quarry, in detail, a mixture of 20% by weight of combustion ash, 20% by weight of incineration ash, 5% by weight of cement and A mixture formed by mixing 5% by weight of quicklime with a water content of 90%. The present invention relates to a method for producing a cover material that is continuously mixed with 50% by weight of wastewater sludge and process sludge to produce a mixture having a water content of 50%.

Conventional cover material was manufactured by mixing wastewater sludge, plant sludge, combustion plant of power plant, incinerator of incinerator, and cement as described above, but it was manufactured by mixing and producing in a predetermined container. There was a problem that can not be produced, there was a problem that can not apply the mixing ratio correctly.

The present invention provides a mixture of 20% by weight of combustibles and 20% by weight of incineration ash, 5% by weight of cement and quicklime 5 through the process of storing sewage, wastewater sludge and process sludge, and the process of storing combustible, incineration, cement and quicklime. It is an object of the present invention to provide a method for producing a cover material, which is configured to continuously produce a mixture of a mixture of wt% and a mixture of 50 wt% of wastewater sludge and plant sludge.

The present invention provides a mixture of 20% by weight of combustibles and 20% by weight of incineration ash through the storage process of wastewater sludge, process sludge, combustion ash storage process, incineration ash storage process, and cement and quicklime storage process. , 50% by weight of the mixture of the combustion material, incineration ash and 5% by weight cement and 5% by weight of quicklime is composed by mixing the wastewater sludge and the plant sludge.

The present invention mixes 50% water content by mixing wastewater sludge and plant sludge and combustion material, incineration ash, cement and quicklime with a water content of 90%.

The cover material manufacturing method according to the present invention has the effect of using a large amount of waste materials such as waste water sludge, plant sludge, combustion material, incineration ash and the like.

The cover material manufacturing method according to the present invention has the effect that can be produced continuously to form industrial properties.

The cover material manufacturing method according to the present invention has the effect of preventing the new environmental destruction by preventing the mining in other places to cover.

The cover material manufacturing method according to the present invention has the effect that the industrial waste can be disposed of in nature.

The present invention relates to a process for storing combustibles, a process for storing incinerators, a process for storing cement, a process for storing quicklime, a process for mixing combustibles and incinerators, a process for mixing combustibles and incineration mixtures and cement, Composed of a mixture of the combustion ash, incineration ash, cement, quicklime, bottom, wastewater sludge and plant sludge, 5% by weight of cement in a mixture of 20% by weight of combustion ash and 20% by weight incineration ash, To the mixture of 5% by weight of quicklime, it is configured to continuously produce cover material having a water content of 50% in the mixture of wastewater sludge and 50% by weight of plant sludge.

The present invention is composed of a combustion material storage tank 11, an incineration ash storage tank 12, a cement storage tank 13 and a quicklime storage tank 28, and the upper portion of each of the storage tanks (11, 12, 13, 28) and Air is provided at the lower portion of the lower portion so that the combustion material, the incineration material, and the cement are easily transported.

Mixing cylinders 22a and 22b are formed to mix the combustion ash, the incineration ash, the cement and the quicklime with the wastewater sludge and the plant sludge.

The combustion material used in the present invention is a fly ash such as a power plant.

Incinerator used in the present invention is ash generated in the paper sludge incinerator.

The wastewater sludge used in the present invention is a precipitate of the wastewater treatment plant.

The plant sludge used in the present invention is waste sludge that is disposed of in a factory.

In the present invention, the mixing of combustion materials, incineration ash, sewage, wastewater sludge, plant sludge, etc., and mixing cement and quicklime are for realizing solidification of the mixture.

Figure 1 shows the production process of the cover material according to the present invention.

Figure 2 shows the system of the production process of the cover material according to the present invention.

The present invention will be described with reference to embodiments and drawings.

As shown in FIG. 2, the combustor tank 11, the incineration tank 12, the cement tank 13, and the quicklime tank 28 have inflow pipes 15a, 15b, and 15c so that the respective materials can be introduced from the outside. 15d is connected to the top of each of the tanks 11, 12, 13 and 28.

Air filters 18a, 18b, 18c, and 18d are mounted on upper portions of the tanks 11, 12, 13, and 28, and the air filters 18a, 18b, 18c, and 18d are connected to the compressor 17. have.

The air filters 18a, 18b, 18c, and 18d are provided with blowing air from the step-down fans 21a, 21b, 21c, and 21d through the air inlet pipes 15a, 15b, 15c, and 15d to provide tanks 11, 12, and 13d. It is formed to boost the pressure in the 28, and is formed to facilitate the discharge of the combustion material, incineration ash, cement and quicklime by the air boosting pressure, and the blowing of the step-down fan (21a, 21b, 21c, 21d) is controlled by the control panel (19). Is configured to control.

The bottom of the combustion material tank 11, the incineration ash tank 12, the cement tank 13 and the quicklime tank 28 is formed in a conical shape and the air inlet pipe (18e, 18f, 18g) for supplying air for easy transportation It is connected to the compressor (17), so that the air flows into the combustor, incineration ash, cement and quicklime are formed to facilitate the transfer.

    At the bottom of the combustion material tank 11, a mixing cylinder 22a to be mixed by the stirring furnace 24a is formed.

The bottom portion of the incineration ash tank 12 is connected to a conveying screw conveyor 23a to convey the incineration ash into the mixing barrel 22a mixed by the stirring furnace 24a.

The mixture of the combustion material and the incineration ash is formed to be transferred to the transfer screw conveyor 23e.

The cement is formed to be mixed while being transferred to the transfer screw conveyor (23b) to be mixed with the mixture of the combustion and incineration ash.

The quicklime is formed to flow into the second mixture 22b.

As described above, the combustion material and the incineration ash are formed to be mixed in the first mixing cylinder 22a, and the mixture of the combustion material and the incineration ash is formed to be mixed during the transfer process of the cement and the screw conveyor 23e.

The mixture of the combustion material, the incineration ash, and the cement is formed to flow into the second mixing cylinder 22b.

The quicklime is formed to flow into the second mixing cylinder 22b to be mixed by the stirring furnace 24b using the screw conveyor 23f.

As shown in Fig. 2, hoppers 14a and 14b into which wastewater sludge and plant sludge flow are formed.

Under the hoppers 14a and 14b, belt conveyors 25a and 25b for conveying the wastewater sludge and the plant sludge 22b to receive the plant sludge are formed.

The second mixing cylinder 22b and the combustion material tank 11 are connected to the mixing cylinder 22b so that dust generated in the mixing cylinder 22b and the like can be transferred to the combustion material tank 11.

The stirring furnaces 24a and 24b of the mixing cylinders 22a and 22b are formed so that the mixture is conveyed in the outlet direction when rotating.

The chemical tank 26 and the conveying pipe 27 are formed in the mixing cylinder 22a in which the combustion material and the incineration material are mixed so that ferrous sulfate is provided for neutralization according to the components of the combustion material and the incineration material.

 Example

The present invention is to mix the ash from the fly ash and the paper sludge incinerator generated from the combustion of the power plant and sludge from the wastewater treatment plant and sludge from the plant wastewater, and to mix a small amount of cement and quicklime as a cover material. .

The cover material required by the present invention is to implement an eco-friendly cover material capable of vegetation.

It is common for the sludge to have a water content of 90%.

The present invention forms a mixture having a water content of 50% by mixing sludge, a combustion material, an incineration ash, cement and quicklime (CaO) with a water content of 90%, and leaving it for a predetermined time to react with quicklime (CaO) with water. The mixture is dried while changing to OH) ₂ and since cement is a kind of hardener, it is configured to solidify the mixture according to the present invention.

If the quarry is a mountain, restoring it to a circular shape is to restore the shape of the mountain rather than simply filling the soil. Therefore, it is necessary to use technical civil engineering techniques to save the mountain ridges and valleys, and to apply materials to the technique.

In addition, the restored place should be configured to allow vegetation, so the cover material needed for restoration cannot be restored only by rubble, such as stones, and only by soil.

In case of restoration to soil, a huge amount of soil is required, and soil is not always prepared at the required time. Also, to restore soil, it is possible to use soil from the civil engineering area. Although it can be restored with dirt, it will cause another place to be restored.

The present invention seeks to provide a technology that can simultaneously achieve the effect of recycling waste that occurs around life and which requires a great deal of cost to dispose of.

The air flowing into the combustion material tank 11, the incineration ash tank 12, the cement tank 13, and the quicklime tank 28 flows into the high pressure to easily discharge the combustion ash, the incineration ash, the cement and the quicklime. do.

As shown in FIG. 2, the combustion material of the combustion material tank 11 is discharged and introduced into the mixing cylinder 22a, and the incineration material of the incineration ash tank 12 is discharged to the mixing cylinder 22a by using a screw conveyor 23a. Inlet, stirred and mixed.

When neutralization of the mixture of the combustion material and the incineration ash as described above is required ferrous sulfate in the chemical chemical tank 26 is introduced into the first mixture (22a) using the feed pipe 27 and the combustion and incineration ash and Mix together and neutralize.

Combustion material and incineration material mixed in the mixing cylinder 22a are discharged and conveyed to the screw conveyor 23e.

Cement is introduced into the screw conveyor (23e) is mixed in the process of transporting.

Combustion material, incineration material and cement mixed in the screw conveyor 23e flow into the second mixing cylinder 22b.

Quicklime flows into the second mixing cylinder 22b using a screw conveyor 23f.

Wastewater sludge and plant sludge flow into the second mixture 22b at a water content of 90%.

As described above, the combustion mixture, the incineration ash, the cement, the quicklime, the bottom, the wastewater sludge, and the plant sludge flow into the second mixture vessel 22b, and the mixed mixture is a mixture having a water content of 50%.

As described above, the dust generated in the mixing process of the second mixing cylinder 22b is transferred to the combustion material tank 11.

As described above, the mixture having a water content of 50% becomes crumbly while being hardened by cement and quicklime.

Combustion material, incineration ash, cement, quicklime, sewage, wastewater sludge and plant sludge are mixed in the same state as general soil which can be planted and does not pollute the environment. By using the generated material, the production of cover material can also be continuously produced and supplied.

1 is a manufacturing process diagram of the present invention

2 is a manufacturing process flow chart according to the present invention

** Description of symbols for important parts of drawings **

11: combustion ash tank 12: incineration ash tank

13: cement tank 14: hopper (a, b)

15: inlet pipe (a, b, c, d) 16: air inlet pipe (a, b, c, d, e, f, g)

17: compressor 18: filter (a, b, c, d)

19: control panel 21: high pressure blower (a, b, c, d)

22: mixing cylinder (a, b) 23: screw conveyor (a, b, c, d, e)

24: stirrer (a, b) 25: belt conveyor (a, b, c)

26: chemical tank 27: chemical transport pipe

28: quicklime tank

Claims (5)

In the method of manufacturing the cover material for the restoration of the waste quarry, the combustion material storage process, the incineration ash storage process, the cement storage process, the quicklime storage process, the mixing of the combustion ash and the incineration ash, the mixture of the combustion ash and the incineration ash and the cement are mixed And a process of mixing the combustion material, the incineration ash, the cement, the quicklime, the wastewater sludge and the plant sludge, each mixture comprising 20% by weight of the combustion ash, 20% by weight of the incineration ash, and 5 cement. A method for producing a waste quarry restoring material, characterized in that the moisture content of the mixture of 50% by weight and 5% by weight of quicklime and 50% by weight of wastewater sludge and plant sludge. The process according to claim 1, wherein the combustor storage process, the incineration ash storage process, the cement storage process, the quicklime storage process, the mixing process of the combustion ash and the incineration ash, the mixing process of the mixture of the combustion ash and the incineration ash and cement, The process of mixing the combustion material, incineration ash, cement mixture, quicklime, sewage, wastewater sludge and plant sludge is the combustion ash storage tank in which the combustion ash is stored and the incineration ash storage tank in which the ash is stored and the cement storage in which the cement is stored. A screw conveyor comprising a quicklime storage tank in which a tank and quicklime are stored, and the combustor and the incinerator are discharged and introduced and mixed by an agitator, and a mixture of the combustor and the incinerator is introduced and cement is introduced and mixed. And, a mixture of the combustor, the incineration ash, and the cement is introduced, quicklime is introduced, and the wastewater sludge and the empty water are introduced through the hopper. The second method of producing a mixing trough boktojae for quarry waste restore characterized in that the configuration in which the sum of sludge is transported by a belt conveyor horn by an agitator. According to claim 1, wherein the air is injected into the upper and the bottom of the combustion material tank, incineration tank, cement tank and quicklime tank using a compressor to be configured to facilitate the discharge of the combustion ash, incineration ash, cement and quicklime. Manufacturing method of cover material for waste quarry restoration. 3. The method of claim 2, wherein the first mixture is configured such that ferrous sulfate can be provided for the purpose of neutralizing the mixture when the combustion material and the incinerator are mixed. 3. The cover material for restoring waste quarry according to claim 2, wherein fine dust generated when the combustor, the incineration ash, the cement, the quicklime, the bottom, the wastewater sludge, and the plant sludge are stirred and mixed is transferred to the combustor tank. Manufacturing method.

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