KR101634928B1 - Solid refuse fuel pelletation system - Google Patents

Solid refuse fuel pelletation system Download PDF

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Publication number
KR101634928B1
KR101634928B1 KR1020150057877A KR20150057877A KR101634928B1 KR 101634928 B1 KR101634928 B1 KR 101634928B1 KR 1020150057877 A KR1020150057877 A KR 1020150057877A KR 20150057877 A KR20150057877 A KR 20150057877A KR 101634928 B1 KR101634928 B1 KR 101634928B1
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KR
South Korea
Prior art keywords
housing
synthetic resin
primary
waste synthetic
crusher
Prior art date
Application number
KR1020150057877A
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Korean (ko)
Inventor
박숙영
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박숙영
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Priority to KR1020150057877A priority Critical patent/KR101634928B1/en
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Publication of KR101634928B1 publication Critical patent/KR101634928B1/en

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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
    • C10L5/406—Solid fuels essentially based on materials of non-mineral origin on plastic
    • 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
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools, brushes, or analogous members
    • B08B1/001—Cleaning by methods involving the use of tools, brushes, or analogous members characterised by the type of cleaning tool
    • B08B1/002—Brushes
    • B29C47/36—
    • 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

Abstract

The present invention relates to a method of manufacturing a solid refuse fuel (SRF) pellet, which does not use water for washing a waste synthetic resin, A primary crusher (210) for primarily crushing the charged waste synthetic resin; A conveyor 220 for conveying the primary pulverized waste synthetic resin discharged from the primary crusher 210; A hopper 230 for receiving the primary pulverized waste synthetic resin discharged from the vibrator plate conveyor 220; A secondary crusher 240 disposed at a lower portion of the hopper 230 for crushing primary crushed waste synthetic resin discharged from the hopper 230; A first housing 250 disposed at a lower portion of the secondary crusher 240 to receive and melt secondary crushed waste synthetic resin discharged from the secondary crusher 240; A second housing 260 separated from the first housing 250 to be installed on the lower side of the first housing 250 to receive the molten waste synthetic resin in the first housing 250 and to form the gel synthetic resin therein; ; A third housing (270) for receiving the first housing (250) and the second housing (260); And a molding machine 280 installed at one end of the second housing 260. The first housing 250 is installed in the third housing 270 so as to be inclined from the upper end to the lower end of the third housing 270, And a primary screw 252 provided with a plurality of through holes 251 formed on the outer side of the primary rotation shaft 254, And a control unit.

Description

[0001] SOLID REFUSE FUEL PELLETATION SYSTEM [0002]

The present invention relates to a solid fuel product pelletizing system for pelletizing waste synthetic resin used in agriculture, household, industrial use, and the like. More particularly, the present invention relates to a solid fuel product (Solid Refuse Fuel, The present invention relates to a solid fuel product pelletization system that can prevent water pollution and environmental pollution by using water for washing waste synthetic resin when it is manufactured with pellets of SRF.

In general, waste vinyl or waste synthetic resin discharged in a large amount from farming and fishing villages or industrial sites is incinerated or buried because it is not decomposed naturally. In case of incineration, incineration dust containing toxic soot and heavy metals generated at incineration Environmental pollution problems arise, and in the case of landfilling, the period of decay takes too long to pollute the environment, so recycling is adopted.

In the method of regenerating waste vinyl or waste synthetic resin up to now, as shown in the process chart of FIG. 1, the collected waste vinyl or waste synthetic resin is crushed into crusher 1 to be crushed to a predetermined size, To the crushed raw material.

And the raw material from which the foreign materials have been removed is put into the dehydrating tank 3 to dehydrate the water in the cleaning, and the dehydrated raw material is put into the melt extruder 4 and is discharged to one side while being melted by the heat of the heater , The molten raw material is cut into a predetermined size by a blade while being extruded into a hole having an appropriate diameter in the cutting device 5 and the raw materials cut to a certain size stick to each other so that the molten raw material is introduced into the cooling bath 6, (7).

Such a regeneration method can not completely remove moisture by simply dehydration process even if the dirt of the waste synthetic resin is relatively completely removed by using the wet cleaning method using water, so that moisture is contained in the molded pellets. There is a problem in that the cost for regeneration is increased when the drying using the hot air or the like is performed separately after the dewatering process to reduce the quality of the product and to completely remove the water used for washing.

To solve such a problem, Korean Patent Laid-Open No. 10-2007-0102789 has been proposed.

The foregoing prior art discloses a driving device comprising: driving means; A rod member rotatable by the driving means and a helical member formed continuously with a pitch at an outer peripheral surface of the rod member in a direction coinciding with the rotation direction of the rod member, A delivery screw including a wire; A rod which is rotated by the driving means and is shorter than the rod of the feed screw and a pitch which is formed on the outer circumferential surface of the rod in a direction coinciding with the rotation direction of the rod, A dewatering screw formed of a helical body arranged in a staggered manner with the helical body of the feed screw and rotating in a direction opposite to the feed screw; A housing having a front end inlet and a rear end outlet for receiving the feed screw and the dewatering screw and having an inner diameter corresponding to an outer diameter of the screw of each screw and having a drain hole formed in an array section of the dewatering screw; And heating means for melting the waste synthetic resin conveyed by the conveying screw. Thus, the effect of further dehydrating by the pair of conveying and dewatering screws in the melting process is expected.

However, since the prior art utilizes the wet cleaning method using water, there is still a problem that the dehydration is still insufficient to fundamentally solve the problem.

1. Korean Patent Application No. 10-2007-0102789 entitled " Waste synthetic resin melt extrusion apparatus and waste synthetic resin pelletization system using this apparatus "(published on October 22, 2007)

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to solve the above-mentioned problems, and an object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a metal- A first stage in which foreign substances such as soil or wood are firstly removed and then the secondary crusher is supplied to the hopper equipped with the secondary crusher and the primary screw is provided with the heat wire on the inner surface and the through hole on the outer surface, The molten material is melted and transported by the rotating shaft and flows out through the through hole formed in the primary screw and flows out through the outflow hole but the foreign material that can not flow through the through hole is transferred through the primary screw and separated by the metallic brush And discharged to the outside of the third housing through the discharge pipe, whereby the waste synthetic resin is pelletized without using the wet cleaning method using water To provide a solid fuel product pelletization system that is capable of producing a solid fuel product.

A solid fuel product pelletizing system according to the present invention includes a primary crusher for crushing waste synthetic resin firstly; A conveyor for conveying waste synthetic resin discharged from the primary crusher; A hopper for receiving the primary pulverized waste synthetic resin discharged from the conveyor for combined use with the vibrating plate; A secondary crusher disposed at a lower portion of the hopper to crush primary crushed waste synthetic resin discharged from the hopper; A first housing disposed below the secondary crusher for receiving and melting secondary crushed waste synthetic resin discharged from the secondary crusher; A second housing which is separated from the first housing and installed on the lower side of the first housing to receive the waste synthetic resin melted in the first housing to form the gel synthetic resin; A third housing for receiving the first housing and the second housing; And a molding machine installed at one end of the second housing, wherein the first housing is installed in the third housing so as to be inclined from the upper end to the lower end of the lower housing, And a primary screw having a plurality of through holes formed outside the primary rotating shaft.

As described above, in the solid fuel product pelletizing system according to the present invention, a metal foreign substance mixed in the waste synthetic resin or a foreign matter adhering to the waste synthetic resin is firstly removed by a conveyor for combined use of a vibrator plate equipped with a metal separator, Since it is secondly removed by brush and discharge pipe, waste synthetic resin can be regenerated without using water, so there is no fear of water pollution, water treatment cost can be reduced, and a large amount of raw material can be treated compared with wet type using water And it is advantageous in that environmental pollution caused by incineration or waste plastic due to landfill can be reduced and operation cost can be reduced.

1 is a process block diagram of a conventional wet waste plastic recycling apparatus.
2 is a schematic block diagram of a solid fuel product pelletization system according to the present invention.
3 is a detailed view of the recessed portion shown in Fig.
4 is an enlarged view of another recessed portion shown in Fig.
Fig. 5 is an enlarged view of another recessed portion shown in Fig. 3; Fig.

The solid fuel product pelletizing system according to the present invention will now be described in more detail through the detailed description of the embodiments with reference to the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions of the present invention, and they may vary depending on the intentions or customs of the client, the operator, the user, and the like. Therefore, the definition should be based on the contents throughout this specification.

Like numbers refer to like elements throughout the drawings.

FIG. 2 is a schematic structural view of a solid fuel product pelletizing system according to the present invention, FIG. 3 is a detailed view of the recessed portion shown in FIG. 2, FIG. 4 is an enlarged view of another recessed portion shown in FIG. 5 is an enlarged view of another recessed portion shown in Fig.

As shown in FIGS. 2 to 5, the solid fuel product pelletizing system according to the present invention is a system for pelletizing a waste synthetic resin, particularly a thermoplastic resin, through a conveyor belt, A crusher 210; A conveyor 220 for conveying the primary pulverized waste synthetic resin discharged from the primary crusher 210; A hopper 230 for receiving the primary pulverized waste synthetic resin discharged from the vibrator plate conveyor 220; A secondary crusher 240 disposed at a lower portion of the hopper 230 to crush primary crushed waste synthetic resin discharged from the hopper 230 to a smaller size; A first housing 250 disposed at a lower portion of the secondary crusher 240 to receive and melt secondary crushed waste synthetic resin discharged from the secondary crusher 240; A second housing 260 for separating the first housing 250 from the first housing 250 and closely contacting the first housing 250 to receive the molten waste synthetic resin in the first housing 250, )and; A third housing (270) for receiving the first housing (250) and the second housing (260); And a molding machine 280 installed at the upper end of the second housing 260.

Here, the primary crusher 210 is determined to be forward, and the molding machine 280 is set to the rear, in accordance with the transfer process in which the waste synthetic resin is pelletized.

The first housing 250 is fixed in the third housing 270 so as to be sloped from the upper end to the lower end of the first housing 250 and includes a primary rotation shaft 254 rotated by the motor 310 and having a heat wire 253 mounted therein, And a primary screw 252 having a plurality of through holes 251 formed on the outer side of the primary rotation shaft 254. Here, the first housing 250 is fixed in the third housing 270 by a coupling means such as a coupling bolt, which is well known in the art and will not be described in detail.

The first housing 250 is provided at its upper end with a metallic brush 255 for contacting the primary screw 252 and separating foreign matter therefrom. The metallic brush 255 is disposed on the lower side of the upper end of the first housing 250, And a discharge pipe 256 for discharging foreign matter to the outside of the third housing 270 is provided. In addition, at least one outlet hole 257 is formed in the first housing 250 below the discharge pipe 256 so that the molten waste synthetic resin flows out through the outlet hole 257 downward. The upper end of the first housing 250 is separated from the first housing 250 by an attachment frame 258 and an attachment bolt 259 when necessary and the metallic brush 255 is replaced .

The secondary pulverized waste synthetic resin discharged from the secondary pulverizer 240 is transferred by the primary screw 252 and is melted by the heat line 253. The molten waste synthetic resin is discharged from the primary screw 252, (252), flows out through the through hole (251) formed in the primary screw (252), flows out through the outflow hole (257) and flows out through the through hole (251) Is delivered through the primary screw 252 and separated by the metallic brush 255 and then discharged to the outside of the third housing 270 through the discharge pipe 256.

The second housing 260 is separated from the first housing 250 and fixed to the lower portion of the first housing 250 such that the second housing 260 is inclined from one end of the upper side to the other end of the lower side similar to the first housing 250 Installed in the third housing (270); A secondary rotating shaft 263 rotated by a motor 310 and equipped with a cooling water pipe 262 therein and a secondary screw 261 formed outside the secondary rotating shaft 263. Here, the second housing 260 is fixed in the third housing 270 by a coupling means such as a coupling bolt, which is well known in the art and will not be described in further detail herein.

The second housing 260 is provided at its upper portion with a receiving hole 264 for receiving the molten waste synthetic resin discharged through the outlet hole 257 of the first housing 250, And receives the molten waste synthetic resin discharged downward through the outlet hole 257 of the housing 250. At this time, the received waste synthetic resin is cooled by the cooling water pipe 262 to be formed into a gel shape, and is transferred to the molding machine 280 by the secondary screw 261 to be pelletized.

The pelletized waste synthetic resin is introduced into the water tank 290 provided outside the third housing 270 to be cooled.

The secondary crusher 240 is connected to the first motor 300 by appropriate intermediate means such as a gear or a chain gear and the primary rotary shaft 254 and the secondary rotary shaft 263 are connected to appropriate intermediate means And is connected to the second motor 310. [

The molding machine 280 may be detached if necessary to be coupled to the second housing 260 by a molding machine fixing frame 281 and a fixing bolt 282. The molding machine 280 may be in a gel form The waste synthetic resin is cut into a proper shape by a rotating blade (not shown) rotated by a motor (not shown), and the cut gel-like synthetic resin is drawn into the water tank 290 and cooled to be solid pelletized. Here, the molding machine 280 may be replaced with another type of molding machine which is removable and molded into a desired shape.

The water passing through the cooling water pipe 262 mounted on a part of the inside of the secondary rotating shaft 263 is sent to the water tank 290 and recycled.

Now, the operation of the solid fuel product pelletization system according to the present invention will be described.

First, the waste synthetic resin, particularly, the thermoplastic resin is collected, and then the waste synthetic resin is firstly crushed by putting the waste synthetic resin into a primary crusher 210 installed at the front by a conveyor belt or by hand.

Thereafter, the primary pulverized waste synthetic resin is discharged to a conveyor 220, which is equipped with a metal separator and is connected to a vibrating plate-type conveyor 220 in the form of a mesh plate or a plate having a discharge hole, and is conveyed by the conveyor 220 The metal impurities mixed in the primary pulverized waste synthetic resin are firstly removed by a metal separator, and the foreign matter adhered to the primary pulverized waste synthetic resin is removed by the vibration of the vibrating body plate conveyor 220, Lt; / RTI >

Thereafter, the waste synthetic resin whose foreign matters have been removed first is conveyed by the conveyor 220 for the vibration plate and supplied to the hopper 230.

Thereafter, the waste synthetic resin supplied to the hopper 230 is secondarily crushed to a smaller size by the secondary crusher 240 attached to the lower portion of the hopper 230.

Thereafter, the secondary pulverized waste synthetic resin is accommodated in the primary housing 250 disposed at the lower portion of the secondary crusher 240 and transferred to the primary rotary shaft 254 equipped with the primary screw 252, Is melted by the heat ray 253 mounted inside the primary rotation shaft 254 and is transferred backward by the primary screw 252.

Thereafter, the molten waste synthetic resin transferred to the rear side flows through the through hole 251 formed in the primary screw 252 while being transferred by the primary screw 252, Respectively. At this time, foreign matter that can not flow through the through hole 251 is transferred through the primary screw 252, separated by the metallic brush 255, and then discharged through the discharge pipe 256 to the third housing 270 And is then removed in a second order.

Thereafter, the molten waste synthetic resin discharged down through the outflow hole 257 is received through the receiving hole 264 of the second housing 260 installed closely to the lower portion of the first housing 250, Is transmitted to the secondary rotating shaft 263 equipped with the secondary screw 261 and cooled by the cooling water pipe 262 formed in a part of the inside of the secondary rotating shaft 263 to be formed into a gel shape, And is conveyed toward the molding machine 280 by the mold 261.

 Thereafter, the gel-like waste synthetic resin having passed through the molding machine 280 mounted on the outside of the second housing 260 is cut into a proper shape by a rotating blade rotated by a motor, and the cut gel- And is drawn into a water tank 290 provided outside the housing 270 and cooled to be pelletized.

In the solid fuel product pelletizing system according to the present invention as described above, the solid fuel product pelletizing system according to the present invention is a system for pelletizing a solid fuel product according to the present invention, in which a metal foreign substance mixed in the waste synthetic resin or a foreign matter adhering to the waste synthetic resin, It is possible to regenerate the waste synthetic resin without using water, and there is no fear of water pollution, water treatment cost can be reduced, and water can be used It is possible to treat a large amount of raw material as compared with the wet process, and it is possible to reduce the environmental pollution caused by incineration or waste plastics upon landfilling, and at the same time reduce the running cost.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, Various changes, modifications or adjustments to the example will be possible. Therefore, the scope of protection of the present invention should be construed as including all changes, modifications, and adjustments that fall within the spirit of the technical idea of the present invention.

210: Primary shredder 220: Conveyor for vibrating sheet metal
230: hopper 240: secondary crusher
250: first housing 251: through hole
252: primary screw 253: hot wire
254: Primary rotation axis 255: Brush
256: outlet pipe 257: outlet hole
258: attachment frame 259: attachment bolt
260: second housing 261: secondary screw
262: Water pipe 263: Secondary rotary shaft
264: receiving hole 270: third housing
280: molding machine 290: water tank
300: first motor 310: second motor

Claims (6)

A primary crusher 210 for crushing the charged waste synthetic resin primarily;
A conveyor 220 for conveying the primary pulverized waste synthetic resin discharged from the primary crusher 210;
A hopper 230 for receiving the primary pulverized waste synthetic resin discharged from the vibrator plate conveyor 220;
A secondary crusher 240 disposed at a lower portion of the hopper 230 for crushing primary crushed waste synthetic resin discharged from the hopper 230;
A first housing 250 disposed at a lower portion of the secondary crusher 240 to receive and melt secondary crushed waste synthetic resin discharged from the secondary crusher 240;
A second housing 260 separated from the first housing 250 and installed at a lower side of the first housing 250 to receive the waste synthetic resin melted in the first housing 250 to form a gel; ;
A third housing (270) for receiving the first housing (250) and the second housing (260);
And a molding machine 280 installed at one end of the second housing 260,
The first housing 250 is installed in the third housing 270 so as to be inclined from the upper end to the lower end of the lower housing and includes a primary rotation shaft 254 rotated by the motor 310 and having a heat wire 253 mounted therein, , And a primary screw (252) having a plurality of through holes (251) formed in the outside of the primary rotation shaft (254).
delete The method according to claim 1,
The first housing 250 includes a metallic brush 255 formed at an upper end of the first housing 250 for contacting the primary screw 252 and separating foreign matter therefrom;
And a discharge pipe (256) disposed at a lower side of the upper end and discharging the separated foreign substances to the outside of the third housing (270).
The method of claim 3,
Wherein the first housing (250) is provided with at least one or more outflow holes (257) below the discharge pipe (256) for discharging the molten waste synthetic resin.
The method according to claim 1,
The second housing 260 is installed in the third housing 270 separated from the first housing 250 so as to be inclined downward from the upper end of the first housing 250 to the lower end of the first housing 250,
A secondary rotating shaft 263 rotated by the motor 310 and equipped with a cooling water pipe 262 therein;
And a secondary screw (261) formed outside the secondary rotation shaft (263).
The method of claim 5,
Characterized in that the second housing (260) has a receiving hole (264) for accommodating molten waste synthetic resin discharged from an upper portion thereof through an outlet hole (257) of the first housing (250) Pelletizing system.
KR1020150057877A 2015-04-24 2015-04-24 Solid refuse fuel pelletation system KR101634928B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108787525A (en) * 2018-06-15 2018-11-13 酒泉钢铁(集团)有限责任公司 A kind of pelletizer being convenient to clean balling disk (-sc) disk side
KR102486237B1 (en) * 2022-02-14 2023-01-10 주식회사 성운테크 Fluid wax pelletizer for continuous discharging of granular wax

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070102789A (en) 2006-04-17 2007-10-22 정인모 Melting extruder for recycling of waste plastic and pelletation system for waste plastic using the same
JP2009183808A (en) * 2008-02-01 2009-08-20 Jong Sung Ham Waste styrene volume reduction machine
KR20100100366A (en) * 2009-03-06 2010-09-15 (주)대정기업 Oil extraction device from plastics wastematerial
KR101409506B1 (en) * 2014-02-28 2014-06-18 박숙영 Solid refuse fuel pelletation system
KR101481947B1 (en) * 2014-10-29 2015-01-14 주식회사 영하아이앤티 Apparatus and method for manufacturing solid fuel using sludge and solid fuel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070102789A (en) 2006-04-17 2007-10-22 정인모 Melting extruder for recycling of waste plastic and pelletation system for waste plastic using the same
JP2009183808A (en) * 2008-02-01 2009-08-20 Jong Sung Ham Waste styrene volume reduction machine
KR20100100366A (en) * 2009-03-06 2010-09-15 (주)대정기업 Oil extraction device from plastics wastematerial
KR101409506B1 (en) * 2014-02-28 2014-06-18 박숙영 Solid refuse fuel pelletation system
KR101481947B1 (en) * 2014-10-29 2015-01-14 주식회사 영하아이앤티 Apparatus and method for manufacturing solid fuel using sludge and solid fuel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108787525A (en) * 2018-06-15 2018-11-13 酒泉钢铁(集团)有限责任公司 A kind of pelletizer being convenient to clean balling disk (-sc) disk side
CN108787525B (en) * 2018-06-15 2023-06-02 酒泉钢铁(集团)有限责任公司 Balling machine convenient to clearance balling dish limit
KR102486237B1 (en) * 2022-02-14 2023-01-10 주식회사 성운테크 Fluid wax pelletizer for continuous discharging of granular wax

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