KR101630701B1 - Apparatus for manufacturing solid fuel using waste and method thereof - Google Patents

Apparatus for manufacturing solid fuel using waste and method thereof Download PDF

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Publication number
KR101630701B1
KR101630701B1 KR1020150167360A KR20150167360A KR101630701B1 KR 101630701 B1 KR101630701 B1 KR 101630701B1 KR 1020150167360 A KR1020150167360 A KR 1020150167360A KR 20150167360 A KR20150167360 A KR 20150167360A KR 101630701 B1 KR101630701 B1 KR 101630701B1
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KR
South Korea
Prior art keywords
waste
sorting
drying
unit
solid fuel
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KR1020150167360A
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Korean (ko)
Inventor
정현태
구병권
윤희철
이민호
이보원
이훈규
양원석
이장수
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주식회사 포스코건설
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/48—Solid fuels essentially based on materials of non-mineral origin on industrial residues and waste materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B4/00—Separating by pneumatic tables or by pneumatic jigs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/406—Solid fuels essentially based on materials of non-mineral origin on plastic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/46—Solid fuels essentially based on materials of non-mineral origin on sewage, house, or town refuse
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/001—Heating arrangements using waste heat
    • F26B23/002—Heating arrangements using waste heat recovered from dryer exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • F26B9/08—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers including agitating devices, e.g. pneumatic recirculation arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Sustainable Development (AREA)
  • Microbiology (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

The present invention relates to an apparatus and a method for manufacturing a solid fuel by using waste. The apparatus of the present invention includes: a crushing unit crushing the waste; a first sorting unit sorting and separating a ferrous metal material from the crushed waste; a second sorting unit sorting the waste sorted by the first sorting unit on a predetermined particle size basis; a third sorting unit sorting and separating a metal material from the waste sorted by the second sorting unit; a fourth sorting unit sorting and separating the waste from which the metal material is separated by the third sorting unit into a heavy material, an intermediate material, and a light material depending on moisture content; and a first drying unit drying the waste sorted as the intermediate material by the fourth sorting unit. According to the present invention, the solid fuel is formed by the use of the waste sorted as the light material by the fourth sorting unit and the intermediate material dried by the first drying unit, and air in a boiler chamber is used as a drying heat source. Since the waste sorted as the light material and the waste sorted as the intermediate material are used as the solid fuel, waste drying capacity and drying costs can be reduced, solid fuel production can be performed in an economical manner, and an increase in rate of recovery can be achieved.

Description

TECHNICAL FIELD [0001] The present invention relates to an apparatus for manufacturing solid fuel using waste,

The present invention relates to an apparatus and a method for manufacturing a solid fuel using waste, and more particularly, to an apparatus and a method for manufacturing solid fuel using waste for separating and separating combustibles from waste to produce solid fuel.

Recently, technologies and policies for securing energy using waste resources have been actively promoted to reduce GHGs due to resource depletion and climate change globally. In advanced countries such as Europe and Japan, Fuel (MT (Mechanical Biological Treatment) or MBT (Mechanical Biological Treatment) facility, which is the production technology of SRF (Solid Refuse Fuels), is increasing.

In Korea, the regulations on the quality standards of solid fuels, manufacturing facilities and storage facilities have been revised and enforced by the "Law Concerning the Promotion of Resource Conservation and Recycling", and nine fuel facilities are in operation as of 2013, Is under construction or planned.

The fueling facilities for most of these wastes include, as shown in Fig. 2, a crusher 120 for crushing waste, a Trommelscreen screening device 131 for screening the crushed waste, and a screening device 130 for screening organic matters contained in the screened waste A screen separator 134 for screening the waste selected from the metal wastes by the specific gravity difference, a screening device 134 for screening the screened wastes by the specific gravity difference, An optical separator 135 for sorting the waste material by the optical wavelength, a crusher 150 for crushing the waste selected by the specific gravity and optical waste, a drier 140 for drying crushed waste, And a molding machine 160 for molding the waste material.

Also, some of the refuse fueling facilities include a crusher 120 for crushing the waste, a Trommell separator 131 for sorting the crushed waste, a screen selector for screening the Trommell sorted waste, A metal separator 133 for sorting the metals contained in the screened waste, a wind separator 134 for sorting the waste selected from the metals by the specific gravity difference, A non-molding type of Fluff type having an optical separator 135 for sorting by optical wavelength, a dryer 140 for drying the optically sorted waste, and a crusher 150 for crushing waste sorted by the specific gravity difference, SRF manufacturing facility.

The waste fuels project is being promoted in a positive manner, such as replacing fossil fuels, improving resource efficiency, and increasing the use period of waste landfills, beyond the conventional collective heat recovery method.

However, most of the waste fuel facilities contain a dryer to reduce the water content of the waste, and manual sorting processes are inevitable in which a pellet-type molding machine, recycled products and incombustibles are selected by manpower if necessary.

In this way, the existing fuel production process is complicated and the recovery efficiency is low, so that the recovery rate of the product produced by the solid fuel (SRF) is as low as about 60% based on the non-forming (fluff) standard.

In addition, by using a hot air drying method using fossil fuels such as LNG to reduce moisture contained in the SRF, it is possible to reduce the drying cost of the SRF such that the energy cost required for drying accounts for more than 50% There was also a problem of increase.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide an apparatus and method for manufacturing solid fuel using waste that can improve the economical efficiency and recovery rate of solid fuel by reducing the drying capacity and drying cost of waste. The purpose is to provide.

It is still another object of the present invention to provide an apparatus and method for producing solid fuel using waste which can improve the moldability of solid fuel and increase the compactness.

It is another object of the present invention to provide an apparatus and method for manufacturing a solid fuel using waste which is capable of separating and separating organic wastes having a high water content, which are contained in wastes.

It is another object of the present invention to provide an apparatus and method for manufacturing solid fuel using waste that can be sorted and separated into three kinds of wastes according to the specific gravity difference of wastes by using wind power.

Another object of the present invention is to provide an apparatus and a method for manufacturing a solid fuel using waste, which can dry the wastes having different moisture contents together to facilitate control of the water content and reduce the drying cost.

It is another object of the present invention to provide an apparatus and method for producing solid fuel using waste which can improve drying efficiency without using fossil fuel in a drying facility.

Another object of the present invention is to provide an apparatus and method for producing solid fuel using waste that can improve the drying efficiency of waste by stirring of waste.

Another object of the present invention is to provide an apparatus and a method for manufacturing a solid fuel using waste that can reduce the capacity of the residue to be buried in the waste and selectively improve the efficiency of the solid fueling facility of the waste. .

According to an aspect of the present invention, there is provided a waste disposal apparatus comprising: a crushing unit for crushing waste; A first sorting unit for sorting and separating the iron chips from the crushed waste; A second sorting unit for sorting the waste selected by the first sorting unit based on a predetermined size size; A third sorting unit for sorting and separating metal from the waste selected by the second sorting unit; A fourth sorting unit for sorting and separating the waste from which the metal material has been separated in the third sorting unit into a heavy material, an intermediate material, and a light material according to a water content; And a first drying unit for drying the waste selected as an intermediate in the fourth sorting unit, wherein the waste sorted by the light weight in the fourth sorting unit, the intermediate product dried in the first drying unit, Is used to form a solid fuel.

The present invention further includes a crushing unit for crushing the waste selected as the lightweight material in the fourth sorting unit and the intermediate material dried in the first drying unit to form a solid fuel .

The crushing unit of the present invention is characterized by comprising a crushing crusher for crushing the size of the waste to 50 to 120 mm or less.

The second sorting unit of the present invention is characterized by comprising a screen sorter or a trommel sorter for sorting the waste based on the particle size of the waste. The screen separator of the present invention is characterized in that the waste is sorted and separated based on a particle size of 10 to 20 mm.

The fourth sorting unit of the present invention is characterized by comprising a three-way wind power sorter for sorting waste into light weight, intermediate weight and heavy weight by wind power. The first drying unit of the present invention is characterized in that the waste selected as a heavy material and the waste selected as the intermediate in the fourth sorting unit are dried.

The first drying unit of the present invention is characterized by comprising a drying facility using low-temperature hot air inside a boiler room. The drying facility of the present invention is characterized in that an agitator for agitating waste is provided.

The present invention may further comprise a second drying unit for drying waste selected by the second sorting unit to a predetermined particle size or smaller and waste selected by the fourth sorting unit; And a sixth sorting unit for sorting the waste dried in the second drying unit based on a predetermined size size.

The waste selected in the sixth sorting part of the present invention is characterized by being used as a solid fuel or as a solid fuel after the intermediate and light weight are crushed together.

The first drying unit and the second drying unit of the present invention are characterized in that they are dried using low-temperature hot air at 40 to 70 캜, or are dried using self-heating of the waste.

In the second drying unit of the present invention, when the amount of the inorganic matter contained in the waste selected by the second sorting unit is less than a predetermined particle size and the waste selected by the fourth sorting unit is heavy, Treated or incinerated.

The present invention relates to a method for producing a waste, comprising: a crushing step of crushing waste; A first sorting step of sorting and separating the iron chips from the crushed waste; A second sorting step of sorting the waste selected in the first sorting step on the basis of a predetermined size size; A third sorting step of sorting and separating metal from the waste selected in the second sorting step; A fourth sorting step of sorting and separating the wastes into which the metal material has been separated in the third sorting step as heavy materials, intermediate materials, and light materials according to the water content; And a first drying step of drying the waste selected as an intermediate in the fourth sorting step, wherein the waste selected as the light weight in the fourth sorting step and the intermediate product dried in the first drying step Is used to form a solid fuel.

Further, the present invention is characterized by further comprising a crushing step of crushing the waste selected as the light weight in the fourth sorting step and the intermediate dried in the first drying step so as to form a solid fuel .

The first drying step of the present invention is characterized in that the waste selected as the heavy material in the fourth sorting step is dried together with the waste selected as the intermediate.

In addition, the present invention may further comprise: a second drying step of drying the waste selected below the predetermined particle size in the second sorting step and the waste selected in the fourth sorting step; And a sixth sorting step of sorting the waste dried in the second drying step on the basis of a predetermined particle size size.

The first drying step and the second drying step of the present invention are characterized in that they are dried using low-temperature hot air at 40 to 70 ° C or dried using self-heating of waste.

In the second drying step of the present invention, when a predetermined amount or more of the inorganic matter is contained in the wastes sorted in the second sorting step and the wastes sorted in the fourth sorting step and in the fourth sorting step, Treated or incinerated.

As described above, the present invention can reduce the drying capacity and drying cost of wastes by using the wastes selected as the lightweight wastes and the wastes selected as the intermediate wastes as the solid fuel, thereby improving the economical efficiency and recovery rate of the solid fuel Effect.

Further, by further including the crushing section for crushing the lightweight water and the intermediate material to form the solid fuel, the moldability of the solid fuel can be improved and the denseness can be enhanced.

Further, by limiting the particle size of the waste in the crushing section to a predetermined numerical value range, it is possible to improve the sorting performance and the separation efficiency at the downstream stage sorting machine.

Also, by using a fine screen sorter or a Trommell sorter to sort fine particles in the sorter, it is possible to selectively sort and separate the organic waste, the non-combustible material, and the high water content contained in the waste.

In addition, the sorting section is composed of a three-way wind power sorter that selects waste by weight as light weight, intermediate weight, and heavy weight, so that it can be sorted into three types of wastes depending on the specific gravity of waste by using wind power. to provide.

In addition, the waste selected as a heavy material in the drying section is dried together with the selected waste as the intermediate, thereby drying the waste having a different moisture content together to facilitate the control of the water content and to reduce the drying cost .

Further, by using a closed multi-layer drying facility using low-temperature hot air inside the boiler room as a drying unit, drying efficiency can be improved without using fossil fuel in a drying facility.

Further, by providing an agitator for agitating the waste in the drying facility, it is possible to improve the drying efficiency of the waste by stirring the waste.

In addition, the waste selected as the heavy material is dried and sorted to be used as a solid fuel, thereby reducing the capacity of the residue to be sorted and separated from the waste, and at the same time, improving the efficiency of the waste fuel plant.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an example of a conventional apparatus for producing solid fuel using waste; FIG.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus for producing solid fuel using waste.
3 is a structural view showing an example of an apparatus for producing solid fuel using waste according to the first embodiment of the present invention;
4 is a configuration view showing a modified example of an apparatus for producing solid fuel using waste according to the first embodiment of the present invention;
5 is a configuration view showing another example of an apparatus for producing solid fuel using waste according to the first embodiment of the present invention;
6 is a configuration diagram showing an example of an apparatus for producing solid fuel using waste according to a second embodiment of the present invention;
7 is a configuration view showing a modification of the apparatus for producing solid fuel using waste according to the second embodiment of the present invention.
8 is a configuration view showing another example of an apparatus for producing solid fuel using waste according to the second embodiment of the present invention;
9 is a flow chart showing a method for producing solid fuel using waste according to the first embodiment of the present invention.
10 is a flow chart showing a method of producing a solid fuel using waste according to a second embodiment of the present invention.
11 is a schematic view showing a drying unit of an apparatus for producing solid fuel using waste of the present invention.

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

FIG. 3 is a structural view showing an example of an apparatus for producing solid fuel using waste according to the first embodiment of the present invention, FIG. 4 is a view showing a modification of the apparatus for producing solid fuel using waste according to the first embodiment of the present invention Fig. 5 is a configuration diagram showing another example of an apparatus for producing solid fuel using waste according to the first embodiment of the present invention. Fig.

FIG. 6 is a structural view showing an example of an apparatus for producing solid fuel using waste according to the second embodiment of the present invention, and FIG. 7 is a view showing a modification of the apparatus for producing solid fuel using waste according to the second embodiment. FIG. 8 is a structural view showing another example of an apparatus for producing solid fuel using waste according to the second embodiment of the present invention, and FIG. 11 is a schematic view showing an apparatus for producing solid fuel using waste of the present invention Fig.

FIG. 9 is a flowchart showing a method of manufacturing solid fuel using waste according to the first embodiment of the present invention, and FIG. 10 is a flowchart showing a method of manufacturing solid fuel using waste according to the second embodiment of the present invention.

3 to 5, the apparatus for manufacturing a solid fuel using waste according to the first embodiment includes a storage unit 10, a crushing unit 20, a first sorting unit 31, The solid waste is produced by sorting the organic matter from the collected waste waste and producing solid fuel. The solid sorting unit 32, the third sorting unit 33, the fourth sorting unit 34 and the first drying unit 41, Fuel production device.

The storage unit 10 is a storage unit for storing the waste wastes brought in from the outside, and is made up of a semi-entry space or a storage tank capable of storing a large amount of waste wastes, and stores the imported waste wastes.

The crushing unit 20 is crushing means provided downstream of the storage unit 10 to crush the waste carried into the waste storage unit 10 so that the particle size of the loaded waste is 50 to 120 mm or less, And a breaking crusher for crushing to 100 mm or less. In addition, it is also possible to control the size of waste to be discharged variously such as the size of the waste discharged by controlling the crushing crusher, such as 50 to 120 mm.

At this time, the waste crushed by the crushing unit 20 is measured by a water content meter, and when the water content exceeds the predetermined standard, it is returned to the semi-entrance state in a crushed state, and the specific surface area is increased by the crushing effect, It is of course possible to reduce the water content by mixing with the waste remaining in the natural drying and semi-adhering stage, and then putting it in the crushing section 20 again for crushing.

The first sorting section 31 is a sorting means provided downstream of the crushing section 20 for sorting and separating the iron chips contained in the waste that has been crushed in the crushing section 20, eddy current) and a magnetic separator which is separated and separated by a permanent magnet.

As the sorting means provided downstream of the first sorting section 31 to sort the waste selected by the second sorting section 32 and the first sorting section 31 on the basis of a predetermined size size, And screen sorting machines or Trommell sorting machines.

The screen sorting machine selects and separates organic matter and incombustible matter below the size of 10-20 mm of the size of the waste. Specifically, it is preferable that the screen sorting machine sort and separate and process the soil, the nonflammable material having a particle size of 15 mm or less and the organic waste having a high water content.

Particularly, as such a screening machine, it is more preferable to use a fine screen, a trommel or the like or a flip-flop screen which can be selected on the basis of a particle size size of 10 to 20 mm so as to maximally select an organic matter contained in a large amount in the fine powder of the waste .

The third sorting unit 33 is provided with a second sorting unit 32 for sorting and separating the residual metals and nonmetallic materials contained in the waste selected by the fine particles in the second sorting unit 32, And a non-ferrous metal separator.

The fourth sorting unit 34 is configured to sort the wastes separated from the metal and non-metal materials in the third sorting unit 33 by weight, intermediate, and light weight according to the water content and the content of the combustible material, And a three-way wind power sorter for sorting the waste into a light weight, an intermediate weight and a heavy weight by wind power.

These three-way wind force sorters are classified into three types: heavy-weight heavy material than synthetic resin depending on the flap angle adjustment and conveyor spacing, intermediate material requiring high drying and lightweight material requiring no drying As a sorting device, it is possible to selectively sort waste by the wind direction, flow rate, nozzle interval, and conveyor interval control function, and it is possible to control the sorting amount of light weight, intermediate and heavy weight according to the characteristics of the imported waste.

The first drying unit 41 is provided downstream of the fourth sorting unit 34 so as to dry the waste selected as the intermediate product in the fourth sorting unit 34. As the drying unit, It is of course possible to use a low-temperature hot air of 40 to 70 DEG C and a closed-type drying facility of a two-stage or three-stage multi-layer structure in a narrow area for efficient installation.

As shown in FIG. 11, the drying facility uses a low-temperature hot air generated in the boiler room of the boiler facility 220 to remove odors generated in the fueling facility 210 to dry the waste do. It is of course also possible that such a drying facility is equipped with a stirrer for stirring the waste so as to improve the drying efficiency of the waste.

It goes without saying that the first drying unit 41 may be dried by self-heating of the waste. Particularly, such self-heating is caused by an exhalation reaction between an organic substance and an inorganic substance, oxygen reaction, friction, air injection or air introduction by a blower as self-heating of the residue.

Therefore, when the SRF is in a fluff form, the water content is reduced to 25% or less, and when the SRF is in the form of a pellet, the moisture content is reduced to 10% or less .

Therefore, the apparatus for producing a solid fuel using the waste according to the first embodiment is characterized in that the waste selected by the light weight in the fourth sorting unit 34 and the solid fuel dried using the intermediate dried in the first drying unit 41 Respectively.

As shown in Fig. 4, in the first drying section 41 of the present embodiment, the weight of about 40% and the intermediate of about 30% moisture content selected by the fourth sorting section 34 are individually dried It is of course possible to dry them together.

5, the apparatus for producing a solid fuel using the waste according to the first embodiment includes a second drying unit 42 disposed downstream of the second sorting unit 32 and downstream of the fourth sorting unit 34, And a sixth sorting unit 36 disposed downstream of the second drying unit 42. [0050] As shown in FIG.

The second drying unit 42 is configured to dry the waste sorted by the second sorting unit 32 at a predetermined particle size or smaller and the waste sorted by the fourth sorting unit 34 at a moisture content of 40% Drying means provided downstream of the second sorting portion 32 and downstream of the fourth sorting portion 34 may be used for drying by using low temperature hot wind at 40 to 70 DEG C in the same manner as for the first drying portion 41, It is of course possible to dry using heat.

The sixth sorting unit 36 is a sorting unit disposed downstream of the second drying unit 42 so as to sort the waste dried in the second drying unit 42 on the basis of a predetermined size size, And a screen selector or a Trommell separator for screening the size of the waste based on the size of the waste.

The waste selected in the sixth sorting section 36 is used as a solid fuel together with the intermediate product dried in the first drying section 41 and the light weight selected in the fourth sorting section 34, The recovery rate of fuel products is dramatically improved from around 60% to more than 65% based on non-molding (fluff).

Hereinafter, an apparatus for producing solid fuel using waste according to the second embodiment will be described in detail with reference to the drawings.

6 to 8, the apparatus for producing solid fuel using waste according to the second embodiment includes a storage section 10, a crushing section 20, a first sorting section 31, The organic waste is collected in the waste wastes, and the organic waste is collected in the collected waste waste to separate the solid fuel from the waste. It is a device for producing solid fuel using waste produced.

The crushing unit 20, the first sorting unit 31, the second sorting unit 32, the third sorting unit 33, the fourth sorting unit 34, the first sorting unit 33, Since the drying unit 41 is the same as that of the first embodiment, the same reference numerals are given to the grinding unit 50 and a detailed description thereof will be omitted.

The crushing unit 50 is provided with a fourth sorting unit 34 so as to form a solid fuel using the waste sorted by the light weight in the fourth sorting unit 34 and the intermediate dried in the first drying unit 41, And downstream of the first drying unit 41. [0050]

The crushing unit 50 is a crushing unit for crushing a lightweight material having a grain size of 10 to 20 mm or more selected by the screening machine of the second sorting unit 32 and an intermediate material dried by the first drying unit 41, Or less.

In the crushing section 50, a lightweight material selected by a screen sorter so as to meet a legal standard and having a predetermined particle size size exceeding 15 mm and an intermediate material dried by the first drying section 41 are mixed with a predetermined size size of 50 mm or less .

The apparatus for producing a solid fuel using the waste according to the second embodiment is provided downstream of the fourth selector 34 to selectively remove PVC from the synthetic resin contained in the intermediate of the fourth selector 34 It is also possible to further include a fifth selector 35 for selecting the second selector 35.

However, when the first drying unit 41 is provided downstream of the fourth sorting unit 34, it is not necessary to sort out the synthetic resin. Therefore, the fifth sorting unit 34 It is of course possible to provide the first drying unit 41 at the rear end without installing the first drying unit 41. [

The fifth sorting unit 35 is a sorting means provided downstream of the fourth sorting unit 34 for sorting and separating PVC out of the synthetic resin contained in the intermediate product of the fourth sorting unit 34. The sorting unit 35 includes an optical separator .

Such an optical sorting machine is a sorting machine for sorting and separating PVC mixed in an intermediate having a high water content selected by the fourth sorting portion 34, and is configured to sort PVC (Poly Vinyl Chloride) .

As shown in Fig. 8, the apparatus for producing a solid fuel using the waste according to the second embodiment is characterized in that waste selected by the second sorting unit 32 to a predetermined particle size or smaller and waste selected from the fourth sorting unit 34 A second drying unit 42 for drying the selected waste and a sixth sorting unit 36 for sorting the waste dried in the second drying unit 42 on the basis of a predetermined size size Of course it is possible.

The second drying unit 42 is configured to dry the waste selected by the second sorting unit 32 at a predetermined particle size of 15 mm or less and the waste sorted by the fourth sorting unit 34 at a moisture content of 30% It goes without saying that, as with the first drying unit 41, it is also possible to dry the waste using low-temperature hot air at 40 to 70 DEG C or to dry the waste using self-heating of the waste. Or waste having a size of 15 mm or less is buried or incinerated.

The sixth sorting unit 36 is a sorting means for sorting the wastes dried in the second drying unit 42 on the basis of a predetermined size size and in the same manner as the second sorting unit 32, Screen sorting screen or Trommell sorting screen.

The waste selected in the sixth sorting section 36 can be used directly as a solid material or as a lightweight material selected from the intermediate material dried in the first drying section 41 and the fourth sorting section 34 as a solid fuel .

Hereinafter, with reference to the accompanying drawings, a method of manufacturing solid fuel using waste by the apparatus for producing solid fuel using the waste of the first embodiment will be described in detail.

As shown in Figs. 1 and 9, the method for producing solid fuel using the waste by the apparatus for producing solid fuel using the waste of the first embodiment comprises the crushing step (S10), the first sorting step (S20) And the first drying step (S70). In this case, the organic matter is selected from the received waste wastes to produce the solid fuel, And a method for producing solid fuel using the same.

The crushing step S10 is a step of crushing the waste carried in the waste storage part 10 and is characterized in that the size of the loaded waste is 50 to 120 mm or less and optimally 100 mm or less, . It goes without saying that the size of the waste discharged from the crusher may be adjusted by varying the size of the waste, such as 50 to 120 mm.

At this time, the wastes which are crushed in the crushing step (S10) are measured by a water content meter, and when the water content exceeds a predetermined standard, they are returned to the semi-entry state in a crushed state. It is of course possible to mix the wastes remaining in the drying and semi-adhering places to lower the water content, and then to put the waste into the crushing section 20 for crushing.

The first sorting step S20 is a sorting step of sorting and separating the iron chips from the crushed waste in the crushing step S10. The iron chips contained in the waste are sorted and separated by the magnetic force of the magnetic separator.

The second sorting step S30 is a sorting step of sorting the wastes selected in the first sorting step S20 on the basis of a predetermined size size. The screening machine selects the waste by screening based on the size of the waste, .

The screen sorting machine selects and separates organic matter and incombustible matter below the size of 10-20 mm of the size of the waste. Specifically, in such a screening machine, organic matter and incombustible matter having a size of 15 mm or less in size are sorted and separated from the selected wastes to be buried or incinerated.

Particularly, it is more preferable that such a screening machine as possible uses a fine screen, a trommel or the like or a flip-flop screen which can be selected on the basis of a particle size size of 15 mm to select as much organic matter contained in a large amount as possible in the fine fraction of the waste.

The third sorting step S40 is a sorting step for sorting and separating metals such as metal and non-metal from the waste selected in the second sorting step S30. The non-metal separator separates the waste from metal, The same metal is selected and separated.

The fourth sorting step S50 is a sorting step of sorting and separating the wastes separated from the metal in the third sorting step S40 according to the water content and the content of the combustible material, The waste is sorted by a three-way wind power sorter that selects lightweight, intermediate, and heavyweight by weight.

These three-way wind force sorters are lightweight, lightweight, lightweight, and lightweight, which have a specific gravity larger than that of synthetic resin and have a smaller specific gravity than that of synthetic resin, and require drying, depending on the adjustment of the flap angle It is possible to select and sort the waste by controlling the wind direction, flow rate, nozzle interval and conveyor interval, and it is possible to control the sorting amount of light weight, intermediate weight and heavy weight according to the characteristics of the imported waste.

The first drying step (S70) is a drying step of drying the waste selected as the intermediate product in the fourth selection step (S50). The low temperature hot air in the boiler room or the low temperature hot air of 40 to 70 占 폚 is used, It is of course possible to dry the waste by using a closed type drying facility having a two or three or more multi-layer structure in a narrow area.

Also, as shown in FIG. 11, the drying facility uses the low-temperature hot air generated in the boiler room of the boiler facility 220 to remove odors generated in the fueling facility 210 to dry the waste . It is of course also possible that such a drying facility is provided with a stirrer for stirring the waste to improve the drying efficiency of the waste.

Also, in the first drying step (S70) of the present embodiment, the results of experiments showing that the water content of a heavy material is reduced by using low-temperature hot wind at about 50 DEG C are shown in Table 1 below.

division
Input temperature
(° C) Input flow
(Nm3 / min)
Whether or not stirring
Input weight
(Kg) Initial moisture content
(%) Final water content
(%) Moisture reduction
(kg / day)
Experiment 2 50 1.81 × 340 35.90 35.87 9.02 Experiment 3 60 1.17 × 310 32.79 30.95 6.02 Experiment 4 60 1.17 ○ 360 32.55 19.69 20.02 Experiment 5 60 1.52 ○ 380 33.17 24.94 21.67 Experiment 6 70 1.16 ○ 370 35.62 22.94 22.52 Experiment 7 45 1.17 ○ 430 35.74 24.26 23.28 Experiment 8 50 1.21 ○ 400 38.70 17.13 34.43

In the first drying step (S70), the intermediate having a high water content is dried by a low-temperature hot air blow to reduce the water content to less than 25% when the SRF is of the fluff type, and the pellet- The water content is reduced to 10% or less.

In the first drying step S70, it is also possible to individually dry the waste selected as the heavy material in the fourth sorting step S50 and the waste selected as the intermediate material in the fourth sorting step S50 to be.

Therefore, the method for producing a solid fuel using the waste of the first embodiment is characterized in that the waste selected as the lightweight in the fourth sorting step (S50) and the solid fuel dried using the intermediate dried in the first drying step (S70) .

The method for producing solid fuel using the waste according to the first embodiment may further comprise the step of selecting the waste selected below the predetermined particle size in the second sorting step (S30) and the waste selected as the heavy material in the fourth sorting step (S50) It is also possible to further include a sixth sorting step S100 of sorting the waste dried in the second drying step S90 and the second drying step S90 on the basis of a predetermined particle size.

The second drying step (S90) is a drying step for drying the waste selected in the second sorting step (S30) to a size smaller than the predetermined particle size and the waste selected in the fourth sorting step (S50) It is of course possible to dry using a low temperature hot air at 40 to 70 DEG C or to dry using waste heat of self-heating as in the first drying step (S70).

The sixth sorting step S100 is a sorting step of sorting the wastes dried in the second drying step S90 on the basis of a predetermined particle size size. In the same manner as the second sorting step S30, The screen is screened by a screen sorter to sort the waste.

The waste selected in the sixth sorting step S100 uses the intermediate material dried in the first drying step S70 and the lightweight material selected in the fourth sorting part S50 as solid fuel.

Hereinafter, with reference to the accompanying drawings, a method for manufacturing solid fuel using waste by the apparatus for producing solid fuel using the waste of the second embodiment will be described in more detail.

As shown in Figs. 6 and 10, the method for producing solid fuel using the waste by the apparatus for producing solid fuel using the waste of the second embodiment comprises the crushing step S10, the first sorting step S20, The organic waste is sorted into the solid waste by the sorting step S30, the third sorting step S40, the fourth sorting step S50, the first drying step S70 and the crushing step S80. A method of producing a solid fuel using a waste producing fuel.

The crushing step S10, the first screening step S20, the second screening step S30, the third screening step S40, the fourth screening step S50 and the first drying step S70 of the second embodiment , The same reference numerals are assigned to the first embodiment, and a detailed description thereof will be omitted, and only the grinding step S80 having a different structure will be specifically described.

The pulverizing step (S80) is a step of pulverizing the waste selected with the light weight in the fourth sorting step (S50) and the intermediate dried in the first drying step (S70) so as to form a solid fuel, The lightweight material having a particle size of 10 to 20 mm or more and the intermediate material dried in the first drying step (S70) are ground to a particle size of 50 mm or less in the screen sorter in step S30.

In this grinding step (S80), the lightweight material selected to have a predetermined particle size size exceeding 15 mm and the intermediate material dried in the first drying step (S70) are made to have a predetermined particle size size of 50 mm or less .

The method for producing a solid fuel using the waste according to the second embodiment may further include a fifth step of separating PVC from the synthetic resin mixed in the intermediate product of the fourth sorting step (S50) downstream of the fourth sorting step (S50) It is of course possible to further include a sorting step S60.

However, when the first drying step S70 is formed downstream of the fourth sorting step S50, the fifth drying step S60 is not performed downstream of the fourth sorting step S50, It goes without saying that step S70 may be provided at a later stage.

The fifth sorting step S60 is a sorting step of sorting PVC out of the synthetic resin contained in the waste selected as the intermediate in the fourth sorting step S50 and separating the PVC from the intermediate using an optical separator .

Such an optical sorting machine is a sorting machine for sorting and separating PVC mixed in an intermediate having a high water content selected by the fourth sorting step (S50), and separates PVC (Poly Vinyl Chloride) in the synthetic resin by the light wavelength .

The fifth sorting step S60 is a step of connecting to the one and the other branching in the fourth sorting step S50 so as to select and separate the PVCs mixed in the intermediate product and the heavy object selected in the fourth sorting step S50 Of course.

The method for producing solid fuel using the waste according to the second embodiment may further comprise the step of selecting the waste selected below the predetermined particle size in the second sorting step (S30) and the waste selected as the heavy material in the fourth sorting step (S50) The second drying step S90 and the sixth sorting step S100 for sorting the waste dried in the second drying step S90 on the basis of a predetermined particle size.

The second drying step (S90) is a drying step for drying the waste selected in the second sorting step (S30) to a size smaller than the predetermined particle size and the waste selected in the fourth sorting step (S50) , And the first drying step (S70), it is preferable to dry using a hot hot air at 40 to 70 deg.

The sixth sorting step S100 is a sorting step of sorting the wastes dried in the second drying step S90 on the basis of a predetermined particle size size. In the same manner as the second sorting step S30, The screen is screened by a screen sorter to sort the waste.

The waste selected in the sixth sorting step S100 may be used directly as a solid fuel or as an intermediate in the first drying step S70 and a lightweight material selected in the fourth sorting step S50 as a solid fuel .

As described above, according to the present invention, it is possible to reduce the drying capacity and drying cost of wastes by using the wastes selected as the light weight wastes and the wastes selected as the intermediate wastes as the solid fuel, thereby improving the economical efficiency and the recovery rate Effect.

Further, by further including a crushing section for crushing the lightweight water and the intermediate material to form the solid fuel, the moldability of the solid fuel can be improved and the denseness can be enhanced.

Further, by limiting the particle size of the waste in the crushing section to a predetermined numerical value range, it is possible to improve the sorting performance and the separation efficiency at the downstream stage sorting machine.

Further, by using a fine screen or trommel to select fine particles as a sorting unit, it is possible to select and separate the organic waste having a high water content and the soil, the incombustible matter, and the like contained in the waste.

In addition, the sorting section is composed of a three-way wind power sorter that selects waste by weight as light weight, intermediate weight, and heavy weight, so that it can be sorted into three types of wastes depending on the specific gravity of waste by using wind power. to provide.

In addition, the waste selected as a heavy material in the drying section is dried together with the selected waste as the intermediate, thereby drying the waste having a different moisture content together to facilitate the control of the water content and to reduce the drying cost .

Further, by using a closed multi-layer drying facility using low-temperature hot air inside the boiler room as a drying unit, drying efficiency can be improved without using fossil fuel in a drying facility.

Further, by providing an agitator for agitating the waste in the drying facility, it is possible to improve the drying efficiency of the waste by stirring the waste.

In addition, the waste selected as the heavy material is dried and sorted to be used as a solid fuel, thereby reducing the capacity of the residue to be sorted and separated from the waste, and at the same time, improving the efficiency of the waste fuel plant.

The present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Therefore, the above embodiments are merely illustrative in all respects and should not be construed as limiting.

10: storage section 20: crushing section
31: first selector 32: second selector
33: third selecting unit 34: fourth selecting unit
35: fifth selector 36: sixth selector
41: first drying section 42: second drying section
50: crushing part

Claims (19)

A crushing section for crushing waste;
A first sorting unit for sorting and separating the iron chips from the crushed waste;
A second sorting unit for sorting the waste selected by the first sorting unit based on a predetermined size size;
A third sorting unit for sorting and separating metal from the waste selected by the second sorting unit;
A fourth sorting unit for sorting and separating the waste from which the metal material has been separated in the third sorting unit into a heavy material, an intermediate material, and a light material according to a water content; And
And a first drying unit for drying the waste selected as an intermediate in the fourth sorting unit,
The waste selected as the light weight in the fourth sorting unit and the intermediate dried in the first drying unit are mixed to form a solid fuel,
Wherein the first drying unit comprises a drying facility using low-temperature hot air inside the boiler room, and drying the low-temperature hot air at 40-70 ° C. The method according to claim 1,
And a crushing unit for crushing the waste selected as the light weight in the fourth sorting unit and the intermediate dried in the first drying unit so as to form a solid fuel, . The method according to claim 1,
Wherein the crushing unit comprises a crushing crusher for crushing the size of the waste to a size of 50 to 120 mm or less. The method according to claim 1,
Wherein the second sorting unit comprises a screen sorter or a trommel sorter for screening the waste based on the size of the waste. 5. The method of claim 4,
Wherein said screen separator selectively separates said waste based on a particle size size of 10 to 20 mm. The method according to claim 1,
Wherein the fourth sorting unit comprises a three-way wind power sorter for sorting waste into light weight, intermediate weight and heavy weight by wind power. The method according to claim 1,
Wherein the first drying unit dries the waste selected as the heavy material and the waste selected as the intermediate material in the fourth sorting unit. The method according to claim 1,
Wherein the first drying unit comprises a closed type drying facility having a multi-layered structure of two or more stages in a narrow area for efficient installation area. 9. The method of claim 8,
Wherein the drying facility is provided with an agitator for agitating the waste. 3. The method according to claim 1 or 2,
A second drying unit for drying the waste selected by the second sorting unit to a size smaller than a predetermined particle size and the waste selected by the fourth sorting unit; And
And a sixth sorting unit for sorting the waste dried in the second drying unit based on a predetermined particle size size. 11. The method of claim 10,
Wherein the waste selected in the sixth sorting portion is used as a solid fuel or as a solid fuel after being crushed together with the intermediate and the light weight. 11. The method of claim 10,
Wherein the second drying unit is dried using low-temperature hot air at 40 to 70 DEG C or is dried using self-heating of waste. 11. The method of claim 10,
In the second drying unit, if the waste sorted by the second sorting unit has a predetermined size or smaller and the waste selected by the fourth sorting unit is heavy, Wherein the solid fuel is used as a fuel. A crushing step of crushing the waste;
A first sorting step of sorting and separating the iron chips from the crushed waste;
A second sorting step of sorting the waste selected in the first sorting step on the basis of a predetermined size size;
A third sorting step of sorting and separating metal from the waste selected in the second sorting step;
A fourth sorting step of sorting and separating the wastes into which the metal material has been separated in the third sorting step as heavy materials, intermediate materials, and light materials according to the water content; And
And a first drying step of drying the waste selected as the intermediate in the fourth sorting step,
The waste selected as the light weight in the fourth sorting step and the intermediate dried in the first drying step are mixed to form a solid fuel,
Wherein the first drying step is performed by a drying facility using low-temperature hot air inside the boiler room, and drying is performed using low-temperature hot air at 40 to 70 ° C. 15. The method of claim 14,
And a crushing step of crushing the waste selected as the light weight in the fourth sorting step and the intermediate dried in the first drying step so as to form a solid fuel, ≪ / RTI > 15. The method of claim 14,
Wherein the first drying step comprises drying the waste selected as the heavy material and the waste selected as the intermediate material in the fourth sorting step. 16. The method according to claim 14 or 15,
A second drying step of drying the waste selected below the predetermined particle size in the second sorting step and the waste selected in the fourth sorting step; And
And a sixth sorting step of sorting the waste dried in the second drying step based on a predetermined particle size size. 18. The method of claim 17,
Wherein the second drying step is performed by using low temperature hot wind at 40 to 70 DEG C or by using self heat generation of waste. 18. The method of claim 17,
In the second drying step, when the wastes sorted in a size smaller than the predetermined size and the wastes selected in the fourth sorting are contained in a predetermined amount or more in the second sorting step, they are buried or incinerated Wherein the solid fuel is a solid fuel.
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KR101852348B1 (en) 2018-01-12 2018-06-04 유길문 Analysis system for selection of combustible waste by calorific value and solid fuel production method using it
KR102215582B1 (en) * 2020-09-10 2021-02-15 에코에너지원(주) Manufacturing method of eco friendly material pellet
CN112960219A (en) * 2021-01-12 2021-06-15 启迪环境科技发展股份有限公司 Dangerous waste sorting and packaging method

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KR101852348B1 (en) 2018-01-12 2018-06-04 유길문 Analysis system for selection of combustible waste by calorific value and solid fuel production method using it
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