KR20040078032A - The method manufacture of soliditybriquet use paper - Google Patents

Abstract

PURPOSE: A method for preparing an RDF by using waste paper is provided to recycle waste paper and thereby prevent environmental pollution. CONSTITUTION: The method comprises steps of: (a) sorting out foreign materials such as metals, stones, wood from waste paper, (b) crushing the waste paper into paper chip having size of not more than 5 mm with a crusher, (c) preparing certain amounts of powdered coal, saw dust and loess, (d) mixing a mixture of 60-70 wt.% of paper chip, 10-30 wt.% of saw dust and 10-20 wt.% of powdered coal with water in a mixing ratio of 6 : 4, (e) putting the mixed composition obtained in the fourth step in a molding frame having a regular shape and pressurizing it with a pressure of 1-2 ton/cm¬2 to mold RDF, and (f) drying the molded RDF into an RDF having a water content of not more than 10%.

Description

The method manufacture of solidity briquet use paper}

The present invention is to produce a solid coal having a predetermined shape using a waste paper (waste paper) generated in industrial sites, such as a print shop, a paper mill, a newspaper company, a publishing company to provide as a fuel of the stove. In particular, it provides fuel for heating of agricultural crop houses in rural areas, livestock, heating fuel for pig farms, heating fuel for flower farmers, and heating fuel for industrial sites, thereby reducing the cost of heating by replacing oil and at the same time. The present invention relates to a solid coal composition using waste paper and a method for manufacturing the same, which are capable of recycling papers generated from the wastewater and preventing environmental pollution.

Previously, anthracite was used as the main fuel for heating in rural crop houses, livestock pig farms, flower farmers, and industrial sites.However, due to the closure of coal mines, the main fuel supply is from anthracite coal and diesel oil. It is being replaced and used. However, oil has the advantage of being convenient to use and not managing fuel supply until the oil in the supplied tank runs out. However, since oil is not produced in Korea, it costs much more to purchase fuel than briquettes, and it is sensitive to oil fluctuations. Oil prices are not stable, fluctuate, supply is unstable, and there is a problem that air pollution due to the combustion of oil when heating.

In addition, some of the waste paper (waste paper) generated at industrial sites such as printing shops, paper mills, newspapers, and publishing houses are recycled in some cases, but this is also a selective process. It has the disadvantage of relieving the waste and waste paper, which does not discolor ink, scrap paper, recycled paper, fax paper used as photo paper, receipt paper, etc., which cannot be recycled but incinerated or landfilled, which increases air pollution and soil pollution. In the industrial sites where waste paper is generated, it is not possible to dispose of the waste paper at that time, but it is accumulated in an empty lot or on one side of the factory, and when storage reaches a certain limit, it is entrusted to a waste disposal company for a separate treatment cost. Companies have to consider considerable waste disposal It was dots.

The present invention has been invented in view of the above problems, and is made of solid coal having a certain shape by using waste paper (waste paper) generated in industrial sites such as printing shops, paper mills, newspapers, and publishing houses to provide fuel for stoves. It can be used as fuel for heating of agricultural crops in rural areas, livestock, heating fuel for pig farms, heating fuel for flower farmers, and heating fuel for industrial sites, thereby reducing the cost of heating by replacing oil. It is for the purpose.

The present invention having the above object comprises the steps of preparing shredded paper to form waste paper by shredding 5mm or less using a shredder to form a fine piece of paper;

Preparing an amount of powdered coal, sawdust and loess;

Forming the solid briquettes by mixing the total weight of the crushed waste papers prepared below 5mm, sawdust and powdered coal and water at 6: 4 and pressurizing them into a molding die at a press pressure of 1ton / cm 2 to 2ton / cm 2;

Dry packing the molded solid coal is to provide a method for producing solid coal using the waste paper to produce a paper solid coal.

1 is a solid coal production process according to the present invention

Figure 2 is an illustration of solid coal produced by the production method of the present invention.

Figure 3a, 3b, 3c is another embodiment of solid coal produced by the production method of the present invention.

<Explanation of symbols on the main parts of the drawing>

10: solid coal 11: body

12: groove 13a, 13b: groove

14: Through 15: Combustion

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Collecting waste paper discarded at home and industrial sites to sort out foreign substances such as metal, stone, and wood;

A crushing zone for crushing the sorted waste paper to 5 mm or less using a crusher to form a fine piece of paper;

To prepare a certain amount of coal, sawdust, and loess

Mixing the total weight and water in which the prepared pulmonary pulmonary pulverized powder of 5 mm or less is mixed with 60 wt% to 70 wt%, sawdust 10 wt% to 30 wt%, and powdered coal 10 wt% to 20 wt% at 6: 4;

Putting the mixed composition into a mold having a uniform shape to press the press pressure at 1ton / cm 2 to 2ton / cm 2 to form solid briquettes;

It is characterized in that the paper solid coal to produce a step of drying the molded solid coal to a water content of 10% or less.

Solid coal prepared as described above is characterized in that the composition is mixed with 60% to 70% by weight, 10% to 30% by weight of sawdust, 10% by weight to 20% by weight of pulverized pulmonary pulverized less than 5mm.

Another embodiment of the present invention is characterized by the composition of the pulmonary pulverized shredded 60% to 70% by weight, 10% to 30% by weight, 10% to 20% by weight ocher.

An embodiment for shaping the solid fuel made from the waste paper of the present invention manufactured as described above will be described.

Example

As a composition for producing solid coal, which is mainly made of paper, waste paper, sawdust and powdered coal are used as raw materials, and this will be described for each process.

Step 1: Collect and Shred Waste Paper

First, waste papers generated from homes, print shops, newspapers, publishing houses, etc. are collected to separate and separate foreign materials such as stones, metals, and wood.

Waste paper from which foreign matters are separated as described above is smoothly mixed with the mixture and crushed to 5 mm or less with a crusher to harden the tissue to prepare a paper as a solid carbon raw material.

The shredder for shredding the waste paper using a conventional paper shredder used in the society to cut the waste paper and the cut size to 5mm or less is preferable for the smooth mixing at a later mixing. However, due to the characteristics of the paper, it is released when it comes into contact with water, so it is not necessarily lower than 5mm, and larger sizes are possible. However, the cutting size of the waste paper is preferably 5 mm or less, because it is intended to enhance the workability and the density of the tissue when manufacturing solid coal.

Second Process: Preparing Coal and Sawdust

After the waste paper is prepared, the powdered coal and sawdust are prepared. In this case, the powdered coal is used as it is, and the sawdust is prepared by collecting sawdust generated from ash mills, woodworking plants, and the like.

Third Process: Mixing

After the waste paper, powdered coal, and sawdust are prepared in the first and second processes, the mixed paper is mixed, and the mixing ratio thereof is 60% to 70% by weight of the pulverized waste paper, and 10% to 30% by weight of sawdust. And 10% by weight to 20% by weight of coal powder.

After mixing the composition as described above, water is kneaded by mixing 6: 4 to the total weight of the mixed composition.

50% of the total weight of the powdered coal in the mixed composition may be used by replacing ocher, and if necessary, it may be used by reconstituting the loess at 10% by weight to 20% by weight.

4th process: solid coal forming

The composition mixed with the water is put into a molding die and pressurized at a press pressure of 1ton / cm 2 to 2ton / cm 2 to form wood solid coal.

At this time, when pressurized by the press, water is first removed, and the shape of the solid coal is formed in the same shape as the existing ball-hole coal, shell coal, and charcoal as shown in FIG.

5th Process: Drying

After forming the solid coal having a predetermined shape as described above, to remove the moisture contained in the solid coal is naturally dried in a place where air circulation is well done, but if necessary dry in a drying chamber to complete the solid coal.

The moisture content of moisture to be dried does not need to be defined separately. In other words, the solid coal used in the present invention is enough to be used as fuel for the boiler, which is a heating device for growing crops and an industrial heating device, by mixing waste paper, sawdust and powdered coal with water.

In addition, the drying carried out in this process is not necessarily through the drying process, but if it is not dried to prevent damage or deformation in the distribution process, it is effective to maintain the exothermic effect only when there is moisture in use.

Step 6: inspect and pack

After the solid fuel is molded and dried as described above, the product is inspected for quality, and then packaged in a predetermined amount except that the appearance of solid coal is broken.

When the solid coal is packaged, it may be packaged by a certain amount according to the use of the consumer. When packing the fuel for use as fuel for industrial and rural crop heating, it is preferable to pack in a bag of 10 kg or more.

In addition, as described in the above manufacturing process, a composition in which pulverized pulmonary pulverized as another embodiment of the present invention is mixed with 60% by weight to 70% by weight, 10% by weight to 30% by weight of sawdust, 10% by weight to 10% by weight of ocher In the case of forming the solid coal by using the coal briquettes are not used, so the sulfur dioxide generated by the combustion of the coal is reduced to a minimum, thereby preventing air pollution.

The product of the solid coal molded according to the manufacturing method of the present invention carried out as described above will be described in detail with reference to the drawings.

The molded solid coal 10 may be molded in the same shape as the conventional ball-hole coal, and the body 11 is formed in a circular shape as shown in FIG. 2A, and a plurality of recesses 12 are formed on the outer circumferential surface of the solid coal 10. Even if they are in close contact with each other or close to the inner wall of the stove, the air flow is smoothly made so that combustion is performed well.

In addition, the upper and lower surfaces of the body 11 form grooves 13a and 13b in a half-groove state so that the solid coal 10 and the solid coal 10 are spaced apart without being sealed when stacked, and the central part of the body 11 is closed. Formation of the through hole 14, and the plurality of combustion holes 15 formed on the outer circumferential surface of the through hole 14 is also to enable a smooth combustion.

Figures 3a, 3b, 3c, 3d shows an embodiment of a product molded by the manufacturing method of the present invention. The size of the solid coal to be molded in this way may be enlarged or reduced as needed.

That is, the solid coal 10 used for livestock farming and crop house heating is larger as shown in FIG. 2A so that solid coal fuel does not need to be put frequently, and when used indoors such as offices, the solid solid as shown in FIGS. 3A to 3D. It is possible to make the coal small for easy handling.

In addition, since the solid coal 10 is press-molded in a press, paper powder, powdered coal, ocher powder, etc. are not generated during use.

The present invention does not need to mix the powdered coal and loess at the time of producing solid coal as in the other embodiments, it may be used to crush waste wood or mix sawdust.

In the present invention, the mixing of anthracite coal has the advantage of generating less harmful gas when the mixed material of solid coal is made of only paper or sawdust, but has a disadvantage in that combustion occurs quickly and heat cannot be generated continuously. You can mix the coal and loess to keep the combustion going.

The powdered coal and loess powder may be selectively used depending on the place of use of the fuel.

In other words, powdered coal can be mixed with solid coal used as fuel for crop cultivation house, and ocher powder is mixed with solid fuel used in industrial sites, lodgings and offices where people work. The far-infrared radiation will have the effect of smoothing the body's new metabolism.

In the present invention, the shape and shape of the solid coal body are not necessarily limited, and a feature of the present invention is that the waste paper can be recycled into solid coal and supplied as fuel and supplied as an alternative fuel of oil.

The present invention as described above collects paper waste and produces solid coal of paper, coal and sawdust, thereby easily and easily disposing of waste paper, heating fuel of industrial sites, stove fuel of office, farm water, barn, etc. By using it as a fuel, it is possible to reduce the high cost generated by the oil, at the same time prevent the air pollution and have the effect of providing a stable fuel supply.

Claims (4)

Collecting waste paper discarded at home and industrial sites to sort out foreign substances such as metal, stone, and wood; A crushing zone for crushing the sorted waste paper to 5 mm or less using a crusher to form a fine piece of paper; To prepare a certain amount of coal, sawdust, and loess Mixing the total weight and water in which the prepared pulmonary pulmonary pulverized powder of 5 mm or less, 60 wt% to 70 wt%, sawdust 10 wt% to 30 wt%, and coal powder 10 wt% to 20 wt% were mixed at 6: 4; Putting the mixed composition into a mold having a uniform shape to press the press pressure at 1ton / cm 2 to 2ton / cm 2 to form solid briquettes; Solid coal production method using waste paper, characterized in that for producing paper solid coal in the step of drying the molded solid coal to a water content of less than 10%. The method of claim 1, Solid coal is a method for producing solid coal using waste paper, characterized in that the pulverized pulmonary crushed 5mm or less, 60% by weight to 70% by weight, sawdust 10% by weight to 30% by weight, powdered coal 10% by weight to 20% by weight. The method of claim 1, Solid coal is a method for producing solid coal, characterized in that the pulverized pulmonary pulverized mixed 60% to 70% by weight, sawdust 10% to 30%, ocher 10% to 20% by weight. Solid coal using waste paper, characterized in that the solid coal produced by the manufacturing method of claim 1.