KR102480567B1 - High-purity non-molded solid fuel manufacturing system using waste synthetic resin - Google Patents

Abstract

The high-purity non-molded solid fuel manufacturing system using waste synthetic resin of the present invention includes a plurality of conveyors including a first conveyor for inputting waste synthetic resin and moving it to a crusher, and a second conveyor for moving the waste synthetic resin crushed in the crusher to a screen sorting unit. conveyor; a first magnetic sorter provided on the first conveyor and separating metal components from the waste synthetic resin transferred to the first conveyor; a crusher for crushing the waste synthetic resin supplied from the first conveyor; a second magnetic separator provided on the second conveyor and additionally sorting and separating metal components from the waste synthetic resin that is pulverized by the crusher and transported to the second conveyor; and a screen sorting unit that removes foreign substances from the pulverized waste synthetic resin using wind power and magnetic force. a rotary screen having a through hole, an inlet and an outlet formed in the longitudinal direction, and installed in a downwardly inclined state in the longitudinal direction; A driving unit that drives the rotating screen and the discharge conveyor; a protective cover that closes both sides and an upper portion of the rotating screen, has a lower portion open, and closes front and rear portions of the rotating screen except for the inlet and outlet; Blowing means including a plurality of blowers provided on the upper surface of the protective cover to provide wind power to the inside of the rotating screen to remove foreign substances attached to the waste synthetic resin; a discharge conveyor provided at the bottom of the rotating screen to discharge foreign substances removed while the waste synthetic resin passes through the rotating screen to the outside; and a frame portion including a plurality of supports fixed to the ground, and a support frame in which the rotating screen, the driving unit, the protective cover, the blowing means, and the discharge conveyor are installed.

Description

High-purity non-molded solid fuel manufacturing system using waste synthetic resin}

The present invention relates to a system for manufacturing high-purity non-molded solid fuel using waste synthetic resin, and more particularly, to a system that can more easily manufacture high-purity non-molded solid fuel by effectively removing foreign substances such as soil and metals from waste synthetic resin. it's about

In recent years, a technology for manufacturing solid fuel using waste synthetic resin generated in a workplace has been developed, and this solid fuel is used as an auxiliary fuel in power plants or industrial boilers.

However, since such waste synthetic resin contains a large amount of foreign substances such as soil, even if the waste synthetic resin is crushed, it is difficult to manufacture solid fuel due to foreign substances.

In this regard, Patent Document 1 below discloses a method for producing a mixed solid fuel of domestic waste and landfill waste.

As shown in FIG. 1, in the mixed solid fuel manufacturing method of domestic waste and landfill waste, the imported household waste is shredded and shredded by the first crusher 10, passed through the first sorting device 20, and then the domestic waste A first sorting process for separating combustible materials, breaking and crushing landfill waste brought in separately from the domestic waste with a second crusher (30), passing through a second sorting device (40), and then separating combustible materials from landfill waste Combustible materials from domestic waste and combustible materials from landfill waste separated through the second sorting process, the first sorting process and the second sorting process are integrated, and the mixed combustibles are pulverized through the third sorting device 50 into a pulverized combustibles mixing storage tank It includes a combustible mixture storage process to store.

In the second sorting device 40, the first soil removal is performed using particle size classification using the size difference between soil and combustible materials, and the second soil removal is performed using a mechanical sorting method in which only combustible materials are removed using a rake. removal takes place

In addition, in the third sorting device 50, the wind power sorter 55 can remove fine earth and sand remaining in the recycled raw material derived from landfill waste by wind power.

On the other hand, these solid fuels are divided into molded products that have undergone a compression process and non-molded products that have not undergone a compression process. The present applicant manufactures high-purity non-molded solid fuels by effectively removing foreign substances such as soil and metals from waste synthetic resin. To do this, the present invention was devised.

Registered Patent Publication No. 10-0998793 (Announced on December 6, 2010)

An object to be solved by the present invention is to provide a high-purity non-molded solid fuel manufacturing system using waste synthetic resin that can more effectively remove foreign substances such as soil and metals while using wind power and magnetic force.

In order to solve the above problems, the high-purity non-molded solid fuel manufacturing system using waste synthetic resin of the present invention includes a first conveyor in which waste synthetic resin is introduced and moved to a crusher, and a first conveyor for moving the waste synthetic resin crushed in the crusher to a screen sorting unit. A plurality of conveyors including two conveyors; a first magnetic sorter provided on the first conveyor and separating metal components from the waste synthetic resin transferred to the first conveyor; a crusher for crushing the waste synthetic resin supplied from the first conveyor; a second magnetic separator provided on the second conveyor and additionally sorting and separating metal components from the waste synthetic resin that is pulverized by the crusher and transported to the second conveyor; and a screen sorting unit that removes foreign substances from the pulverized waste synthetic resin using wind power and magnetic force. a rotary screen having a through hole, an inlet and an outlet formed in the longitudinal direction, and installed in a downwardly inclined state in the longitudinal direction; A driving unit that drives the rotating screen and the discharge conveyor; a protective cover that closes both sides and an upper portion of the rotating screen, has a lower portion open, and closes front and rear portions of the rotating screen except for the inlet and outlet; Blowing means including a plurality of blowers provided on the upper surface of the protective cover to provide wind power to the inside of the rotating screen to remove foreign substances attached to the waste synthetic resin; a discharge conveyor provided at the bottom of the rotating screen to discharge foreign substances removed while the waste synthetic resin passes through the rotating screen to the outside; and a frame portion including a plurality of supports fixed to the ground and a support frame in which the rotating screen, the drive unit, the protective cover, the blowing means, and the discharge conveyor are installed.

In addition, the system for producing high-purity non-molded solid fuel using waste synthetic resin of the present invention further includes a foreign material separation auxiliary unit rotating by the wind power of the blower inside the rotating screen, and the foreign material separation auxiliary unit is fixed inside the rotating screen. A support bar, a plurality of coupling grooves for inserting and fixing the support bar, a fixing rod located on the central axis of the rotating screen and having a predetermined length, and a fixing rod rotatably provided on the outer circumferential surface of the fixing rod and having a plurality of blades formed on the outer circumferential surface. It consists of a plurality of hollow rotating rods.

In addition, in the high-purity non-molded solid fuel manufacturing system using the waste synthetic resin of the present invention, spacers are provided on both ends of the hollow rotating rod in the longitudinal direction so as not to interfere with the independent rotation of the hollow rotating rod on the fixed rod.

In addition, in the system for producing high-purity non-molded solid fuel using waste synthetic resin of the present invention, a magnet plate is further provided on the inner circumferential surface of the rotary screen to remove metal substances contained in the waste synthetic resin and promote separation of foreign substances attached to the waste synthetic resin.

According to the high-purity non-molded solid fuel manufacturing system using the waste synthetic resin of the present invention, foreign substances such as soil and metals attached to the waste synthetic resin are more effectively removed by the foreign matter separation aid and the magnet plate.

In addition, according to the high-purity non-molded solid fuel manufacturing system using the waste synthetic resin of the present invention, waste synthetic resin as industrial waste or construction waste can be recycled and economical efficiency can be secured.

1 is a process diagram of a mixed solid fuel manufacturing process of domestic waste and landfill waste according to the prior art.
2 is a schematic configuration diagram of a high-purity non-molded solid fuel manufacturing system using waste synthetic resin according to an embodiment of the present invention.
3 is a schematic front view of a screen sorting unit in a high-purity non-molded solid fuel manufacturing system using waste synthetic resin according to an embodiment of the present invention.
4 is an internal cross-sectional view of a protective cover of a screen sorting unit and a rotating screen in a high-purity non-molded solid fuel production system using waste synthetic resin according to an embodiment of the present invention.
5 is a plan view of a part of the foreign matter separation auxiliary unit in the high-purity non-molded solid fuel manufacturing system using waste synthetic resin according to an embodiment of the present invention.

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

Referring to FIG. 2, the high purity non-molded solid fuel manufacturing system using waste synthetic resin of the present invention includes a plurality of conveyors 100, a first magnetic separator 200, a grinder 300, a second magnetic separator 400 and a screen. It consists of a sorting unit 500.

Hereinafter, specific contents of the present invention will be described for each configuration.

The plurality of conveyors 100 include a first conveyor 110 for moving the waste synthetic resin to the crusher 300 and a second conveyor 110 for moving the waste synthetic resin crushed in the crusher 300 to the screen sorting unit 500. It is configured to include a conveyor 130.

The first magnetic separator 200 is provided on the first conveyor 110 and sorts and separates metal components from the waste synthetic resin transported on the first conveyor 110 .

The grinder 300 finely grinds the waste synthetic resin supplied from the first conveyor 110 to more effectively process it, and various types of grinders such as a shear type or a grinder type may be applied.

The second magnetic separator 400 is provided on the second conveyor 130 and additionally sorts and separates metal components from the pulverized waste synthetic resin transported to the second conveyor 130 .

The screen sorting unit 500 is configured to remove foreign substances such as soil and other metal components from the pulverized waste synthetic resin using wind power and magnetic force, and as shown in FIGS. 3 and 4, the rotating screen 510, the driving unit 520, a protective cover 530, a blowing means 540, a discharge conveyor 560 and a frame portion 570.

Specifically, the rotating screen 510 is made of a hollow cylindrical shape, and is provided with a plurality of through holes 511 formed in a predetermined size through which foreign substances can pass on the outer circumferential surface, and the inlet 512 in the longitudinal direction And a discharge port 513 is formed, and is installed in a downwardly inclined state in the longitudinal direction.

Waste synthetic resin with foreign matter such as soil is pulverized in the grinder 300 and then introduced into the rotating screen 510 through the inlet 512, and foreign matter such as soil is removed from the inside of the rotating screen 510. After that, the waste synthetic resin from which foreign substances are removed is discharged through the discharge port 513 by gravity and the rotation of the rotating screen 510 by the driving unit 520.

In addition, a magnet plate 515 may be further provided on the inner circumferential surface of the rotary screen 510 to remove metal substances contained in the waste synthetic resin and promote separation of foreign substances attached to the waste synthetic resin.

The magnetic plate 515 may be integrally made of a ferromagnetic material, or may be manufactured in a form in which a permanent magnet is fixed or inserted into a part of the plate-shaped body, and preferably has a curved cross-section.

And the magnetic plate 515 is provided detachably in a structure that can be inserted from the outside of the rotating screen 100.

If a large amount of metal components are attached to the magnet plate 515, they may be removed again when they collide with waste sand, so that a removal operation of the attached metal components is required after a predetermined time has elapsed, and this is for the convenience of the operation.

The drive unit 520 is configured to drive the rotating screen 510 and the discharge conveyor 560, and has respective driving motors for driving the rotating screen 510 and the discharge conveyor 560.

The protective cover 530 is intended to protect the rotating screen 510 and minimize scattering of dust generated inside the rotating screen 510 .

The protective cover 530 closes both sides and the upper portion of the rotating screen 510, the lower portion is open, and closes the front and rear portions of the rotating screen 510 except for the input port 512 and the outlet port 513. is produced

In addition, the protective cover 530 is preferably manufactured in a form in which an upper part and a lower part are separated in order to provide convenience in maintenance.

The blower 540 provides wind power to the inside of the rotating screen 510 through the through hole 511 of the rotating screen 510 in order to remove foreign substances attached to the waste synthetic resin, and the upper surface of the protective cover 530 It is configured to include a plurality of blowers provided in the.

The waste synthetic resin moving inside the rotating screen 510 by the wind power of the blower moves in the radial direction of the rotating screen 510 or floats in the air, simply due to gravity and rotation of the rotating screen 510. The number of collisions with the inner wall of the rotating screen 510 or collisions with each other increases more than when moving by the rotation screen 510, which leads to the result of promoting the removal of foreign substances from the waste synthetic resin.

However, since the blower is provided on the upper surface of the protective cover 530, the specifications of the blower that can be mounted are limited, and considering the size of the rotating screen 510, wind is supplied only to a part of the rotating screen 510.

Accordingly, in the present invention, as shown in FIG. 4 , a diffusion plate 535 may be further provided inside the upper surface of the protective cover 530, and the diffusion plate 535 allows wind generated by the blower to rotate the screen 510. It has the function of guiding so that it can be supplied evenly over the entire surface.

In addition, in the present invention, in order to effectively remove foreign substances adhering to the waste synthetic resin, a foreign substance separation auxiliary unit 550 rotating by the wind power of the blower is further provided inside the rotating screen 510.

As shown in FIGS. 4 and 5, the foreign matter separation auxiliary unit 550 is coupled with a plurality of support bars 551 fixed inside the rotating screen 510 so that the support bars 551 can be inserted and fixed. A fixing rod 552 having a plurality of grooves 552a located on the central axis of the rotating screen 510 and having a predetermined length, and a plurality of blades rotatably provided on the outer circumferential surface of the fixing rod 552 (553a) is formed of a plurality of hollow rotating rods (553).

Further, on the fixing rod 552, a spacer plate 554 is fixed to both ends of the hollow rotating rod 553 in the longitudinal direction so as not to interfere with independent rotation of the hollow rotating rod 553.

The wind introduced into the rotating screen 510 acts on the plurality of blades 553a to rotate the hollow rotating rod 553, and the rotating hollow rotating rod 553 floats near the hollow rotating rod 553. By hitting the waste synthetic resin with the blade 553a, foreign substances attached to the waste synthetic resin can be additionally removed.

In addition, the blown waste synthetic resin moves in an irregular direction and collides with the rotary screen 510 or other waste synthetic resins again, so foreign substances can be effectively removed from the waste synthetic resin.

The discharge conveyor 560 discharges the foreign substances removed while the waste synthetic resin passes through the rotating screen 510 to the outside, and is provided at the bottom of the rotating screen 510.

The discharge conveyor 560 hangs a belt between a drive pulley connected to a drive motor provided on one side and a driven pulley provided on the other side, and is configured to be inclined downward in the longitudinal direction like the rotating screen 510.

Then, the drive pulley is rotated counterclockwise so that the moving direction of the belt is opposite to that of the waste synthetic resin from the inlet 512 to the outlet 513.

Foreign matter such as soil that has fallen through the through hole 511 of the rotating screen 510 falls on the moving belt, moves along the belt, and then falls at the end of the discharge conveyor 560 and is collected in a separate collection box (not shown). and is processed

In addition, a side shielding wall 561 for preventing foreign substances from falling from the discharge conveyor 560 may be further provided on the side of the belt, and prevents foreign substances from being pushed in the opposite direction of the belt movement according to the inclination of the discharge conveyor 560. A plurality of separating walls 562 may be further provided on the surface of the belt.

In addition, if foreign matter is adhered to the discharge conveyor 560, it may cause a malfunction or decrease in durability, so in the present invention, a brush for removing foreign matter on the belt surface is used to prevent foreign matter from being adhered to the belt surface. 570) may be further provided on one side.

The frame part 570 has a plurality of supports 571 fixed to the ground, the rotating screen 510, the driving part 520, the protective cover 530, the blowing means 540 and the discharge conveyor 560 are installed It consists of a support frame (572).

The support frame 620 may further include a work table 573 for providing a work space for a worker.

In this way, the waste synthetic resin from which all foreign substances such as soil and metals are removed through the screen sorting unit 500 can be immediately used as non-molding solid fuel. The manufacture of solid fuel is completed, and this non-molded solid fuel is moved to a hopper or a separate storage space.

Although preferred embodiments of the present invention have been described above, various modifications can be made by those skilled in the art to which the present invention pertains without departing from the spirit of the present invention.

100: conveyor
110: first conveyor 120: second conveyor
200: first magnetic separator
300: grinder
400: second magnetic separator
500: screen selector
510: rotating screen 515: magnet plate 520: driving unit
530: protective cover 540: blowing means 550: foreign matter separation auxiliary unit
560: discharge conveyor 570: frame

Claims (4)

A plurality of pluralities including a first conveyor 110 for inputting waste synthetic resin and moving it to the crusher 300, and a second conveyor 130 for moving the waste synthetic resin crushed in the crusher 300 to the screen sorting unit 500. of the conveyor 100;
a first magnetic sorter 200 provided on the first conveyor 110 and sorting and separating metal components from the waste synthetic resin transferred to the first conveyor 110;
a grinder (300) for crushing the waste synthetic resin supplied from the first conveyor (110);
a second magnetic sorter 400 provided on the second conveyor 130 and additionally sorting and separating metal components from the waste synthetic resin that is pulverized by the crusher 300 and transported to the second conveyor 130; and
a screen sorting unit 500 that removes foreign substances from the pulverized waste synthetic resin using wind power and magnetic force;
made up of,
The screen selection unit 500
It is made of a hollow cylindrical shape, and a plurality of through holes 511 formed in a predetermined size through which foreign substances can pass are provided on the outer circumferential surface, and an inlet 512 and an outlet 513 are formed in the longitudinal direction, and the longitudinal direction a rotating screen 510 installed in a downwardly inclined state;
a driving unit 520 that drives the rotating screen 510 and the discharge conveyor 560;
A protective cover 530 that closes both side surfaces and an upper portion of the rotating screen 510, has a lower portion open, and closes the front and rear portions of the rotating screen 510 except for the inlet 512 and the outlet 513;
Blowing means 540 including a plurality of blowers provided on the upper surface of the protective cover 530 to provide wind power to the inside of the rotating screen 510 to remove foreign substances attached to the waste synthetic resin;
a discharge conveyor 560 provided at the bottom of the rotating screen 510 to discharge foreign substances removed while the waste synthetic resin passes through the rotating screen 510 to the outside; and
A plurality of supports 571 fixed to the ground, a support frame 572 on which the rotating screen 510, the driving unit 520, the protective cover 530, the blowing means 540 and the discharge conveyor 560 are installed A frame portion 570 including;
is made up of
A foreign matter separation auxiliary unit 550 rotating by the wind power of the blower is further provided inside the rotating screen 510,
The foreign matter separation auxiliary unit 550 is provided with a plurality of support bars 551 fixed inside the rotating screen 510 and a plurality of coupling grooves 552a so that the support bars 551 can be inserted and fixed. A fixing rod 552 located on the central axis of 510 and having a predetermined length, and a plurality of hollow rotating rods 553 rotatably provided on the fixing rod 552 and having a plurality of blades 553a formed on the outer circumferential surface. is done,
On the fixing rod 552, a spacer plate 554 is provided at both ends in the longitudinal direction of the hollow rotating rod 553 so as not to interfere with the independent rotation of the hollow rotating rod 553,
A high purity non-molded solid using waste synthetic resin, characterized in that a magnetic plate 515 is further provided on the inner circumferential surface of the rotary screen 510 to remove metal substances contained in the waste synthetic resin and at the same time promote the separation of foreign substances attached to the waste synthetic resin. fuel manufacturing system. delete delete delete

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