KR101865127B1 - High-efficiency foreign matter removing cyclone dust collector - Google Patents

Abstract

The present invention relates to a high efficiency foreign matter removing cyclone dust collecting apparatus. More specifically, low quality mixed wastes, which are remnants having low calorific values after screening for various daily wastes and industrial wastes in a pretreatment facility for resource and energy recovery, are reduced on a basis of moisture which can meet solid fuel quality standard through a bio-drying process. The present invention relates to a high efficiency foreign matter removing cyclone dust collecting apparatus which enhances combustible dust collecting and dust collecting efficiency.

Description

[0001] The present invention relates to a high-efficiency foreign matter removing cyclone dust collector,

The present invention relates to a high-efficiency foreign matter removing cyclone dust collecting apparatus, and more particularly, to a high-efficiency foreign matter elimination cyclone dust collecting apparatus for waste matter having a low calorific value as a remnant after screening for resource and energy in various municipal wastes and industrial wastes, The present invention relates to a highly efficient foreign matter removing cyclone dust collecting apparatus which improves combustible material collecting and dust collecting efficiency by reducing mixed wastes on the basis of moisture that can meet solid fuel quality standards through a bio-drying process.

The landfill, incineration and recycling technologies are mainly used for disposal of municipal waste. However, landfill only has a landfill period of 12 years when excluding the landfill in the metropolitan area. In case of incineration, And in the case of recycling, there is a limit to the waste disposal as the facilities are inferior.

Accordingly, new methods for replacing such conventional waste disposal methods have been attempted. One of them is MBT (Mechanical Biological Treatment) treatment.

MBT treatment is a method of solidifying municipal wastes, and refers to a method of converting solid waste into solid fuel using combustible solid wastes such as waste synthetic resins, waste tires, waste synthetic fibers, and waste rubber, which satisfy a low calorific value of 3,500 kcal or more.

In addition, industrial wastes, such as wastes from the workplace or recycling screening facilities, are sorted into solid fuels, and the remaining residues are also made of materials such as soil, paper, small vinyl, stone, glass fragments, food, cigarette butts And the remaining waste after screening is about 40% of the total garbage volume.

However, these have a moisture content of more than 40%, which means that they can not be treated by MT (mechanical treatment) facilities, which are general screening facilities lacking biological treatment processes, because they contain a large amount of water.

Therefore, low-grade, low-grade mixed wastes (residues left after roughage in raw sewage treatment plants) must be landfilled, and landfill space is limited. Even if landfilled, water content is high, The problem of environmental pollution still remains.

However, since low-grade mixed waste has a low calorific value, if it is treated through the bio-drying process, the amount of heat can be increased while reducing water content to meet the solid fuel quality standard.

For this purpose, the micro-combustibles remaining after mechanical weight separation or separation of combustible materials having relatively large volume are separated and sorted by a cyclone-coupled tornado suction sorting device capable of flammable and dust collecting.

However, since the conventional cyclone type suction type separating apparatus collects and collects the dust by the specific gravity difference simply by rotating the dust inside the cyclone, the dust is discharged together with the water without being separated when the moisture content is large, The fine refuse can not be separated by the specific gravity difference but is discharged together with the separation efficiency, which lowers the combustible recovery rate of the low-grade mixed waste.

Particularly, the moisture or fine soil particles remaining in the collected dust accelerate the clogging of the filter at the discharge port, thereby causing the collection efficiency to be further decreased. The means for solving this problem is mainly air pulsing, There is a disadvantage that the operation must be stopped for air pulsing.

Of course, the air pulsing can be performed during operation, but it is very inefficient. Even if the air clogging part is blown off by the air pulsing, the dust cake is moved toward the filter by the suction pressure immediately, The air pulsing during operation is virtually meaningless because it causes clogging.

Here, the filter includes all the filtering means using the bag filter.

Korea Patent Registration No. 10-0344756 (Jul. 23, 2002) 'Dust collector' Korea Patent Publication No. 2016-0108904 (2016.09.21.) 'Dust Removal Cyclone' Japanese Unexamined Patent Publication No. 1989-274858 (November 22, 1989) 'Saikuron Separation Method' Japanese Unexamined Patent Publication No. 1994-238197 (August 30, 1994) 'Saikkuron Apparatus' Japanese Unexamined Patent Publication No. 1997-164344 (June 24, 1997) 'Saikuron type dust collector'

DISCLOSURE OF THE INVENTION The present invention has been made in view of the above-described problems in the prior art, and it is an object of the present invention to provide a method and apparatus for recovering valuable wastes and industrial wastes, The present invention provides a high-efficiency foreign matter cyclone dust collecting apparatus that reduces combustible waste and dust collecting efficiency while reducing low-quality mixed waste, which is a waste that is contained therein, on the basis of moisture that can meet solid fuel quality standards through a bio-drying process. .

According to the present invention, there is provided a means for achieving the above object, comprising: a cone-shaped cyclone body having a projecting guide spirally formed on an inner peripheral surface thereof; An inner separating cylinder housed in the cyclone body with a lower end thereof opened and having a plurality of through holes formed around the upper side thereof; A dust storage box to which a lower end of the cyclone body is connected; A dust supply pipe penetrating the upper end of the cyclone body in the radial direction and communicating with the inside of the inner separator; A discharge inducing pipe fixed at the center of the inner separating cylinder and piped through an upper surface of the inner separating cylinder and the cyclone body; A fixed disk having a through hole fixed to and communicating with an upper end of the discharge induction pipe; A rotary disk rotatably fixed on the stationary disk and provided with a dust filter at a predetermined radius in the circumferential direction; A rotary motor fixed to the lower surface of the stationary disk and connected to the shaft of the rotary disk; An air injection port provided at an upper portion of the filter ball at a point symmetrical with the through-hole with respect to the rotating disk in the radial direction; A discharge pipe provided below the filter ball at a position directly below the air jet opening and connected to the dust storage box; And a suction pipe having an expansion and contraction tube which is closely adhered to an upper surface of the filter hole coinciding with the through hole.

At this time, a pair of small cylinders are fixed to the outer peripheral surface of the suction pipe symmetrically in the radial direction, and the lower end of the cylinder rod of the small cylinder is also connected to the expansion and contraction pipe.

Further, the lower end of the expansion and contraction tube is also characterized by a flange having a vertically bent outward direction.

According to the present invention, low-quality mixed wastes, which are waste materials having a low calorific value as remnants after screening for recycling and energization in various municipal wastes and industrial wastes, It is possible to obtain an effect of improving flammable material collection and dust collecting efficiency while reducing treatment on the basis of moisture that can satisfy the standard.

In addition, there is an advantage that the clogging of the dust filter can be immediately solved without process loss.

1 is an exemplary sectional view of a highly efficient foreign matter removing cyclone dust collecting apparatus according to the present invention.
FIG. 2 is a plan view illustrating the structure of a dust-collecting filter of a highly efficient foreign matter removing cyclone dust collector according to the present invention.
FIG. 3 is an exemplary cross-sectional view illustrating a dust-filter top sealing structure of a highly efficient foreign matter removing cyclone dust collector according to the present invention.

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

Before describing the present invention, the following specific structural or functional descriptions are merely illustrative for the purpose of describing an embodiment according to the concept of the present invention, and embodiments according to the concept of the present invention may be embodied in various forms, And should not be construed as limited to the embodiments described herein.

In addition, since the embodiments according to the concept of the present invention can make various changes and have various forms, specific embodiments are illustrated in the drawings and described in detail herein. However, it should be understood that the embodiments according to the concept of the present invention are not intended to limit the present invention to specific modes of operation, but include all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.

As shown in FIG. 1, the high efficiency foreign matter removing cyclone dust collecting apparatus according to the present invention includes a cyclone main body 100.

The cyclone body 100 has a known cone shape, the interior is empty, and the bottom is connected to the dust storage box 200.

Accordingly, dusts separated by the specific gravity difference within the cyclone body 100 are accommodated in the dust storage box 200.

Particularly, the protruding guide 110 protrudes from the inner circumferential surface of the cyclone body 100 along the circumference.

The protruding guide 110 rotates on the inner circumferential surface so that dust to be separated scattered toward the inner circumferential surface of the cyclone body 100 due to the centrifugal force can not be immediately dropped and discharged to reach the dust storage box 200 So as to increase separation efficiency of the undissolved products in the process.

In addition, a cone-shaped inner separating cylinder 120 corresponding to the cyclone body 100 is provided at an inner center of the cyclone body 100 at a predetermined interval from the inner diameter of the cyclone body 100.

At this time, a large number of through holes 124 are formed in the upper part of the inner separating cylinder 120 in the circumferential direction, and the lower side of the inner separating cylinder 120 is opened with the dust storing box 200 at a predetermined interval Respectively.

A dust supply pipe 130 is connected to one end of the upper end of the cyclone body 100 to communicate with the inside of the inner separating cylinder 120.

Accordingly, the dusty waste left out of the low-grade mixed waste through the dust feed pipe 130 is first introduced into the inner separator 120.

A discharge inducing pipe 126 is fixed to the inner separating cylinder 120. The upper end of the discharging inducing pipe 126 penetrates the inner separating cylinder 120 and the upper end of the cyclone body 100 And extends to a certain height.

2, a fixed disk 140 having a through hole 142 communicating with the discharge inducing pipe 126 is fixed at the upper end of the discharge induction pipe 126. [

In addition, a circular center of the rotary disk 150 is rotatably fixed to one side of the upper face of the fixed disk 140 through a rotary shaft 152, and a dust filter having a certain radius in the circumferential direction 156 are fixed.

A rotation motor 160 is fixed to the lower surface of the stationary disk 140, and a motor shaft of the rotation motor 160 is connected and fixed to the rotation shaft 152.

Therefore, when the rotation motor 160 is rotated, the rotation disc 150 can rotate at a predetermined angle with respect to the fixed disc 140. At this time, an encoder is installed in the rotation motor 160 for accurate rotation angle control .

An air jet opening 170 is provided in a space above the dust filter 156 at a position opposite to the through hole 142 in the radial direction of the rotary disk 150, Is fixed through a bracket 172 fixed on a stationary disk 140 that does not interfere with the rotation operation of the rotary disk 150 and is configured to be capable of jetting air through a known air pump, , And the controller is preferably a PLC used for process control in the industry.

Particularly, the air jet opening 170 is controlled so that the air is purged for a predetermined period of time when the rotary disk 150 is rotated at a predetermined angle.

In addition, a discharge pipe 180 connected to the dust storage box 200 is further provided at a position directly below the rotary disk 150 in which the air jet opening 170 is provided.

The extension pipe 190 is provided in the upper portion of the through hole 142 in close contact with the rotary plate 150. The extension pipe 190 may be regarded as a corrugated pipe.

The upper end of the extension pipe 190 is fixed to the end of the suction pipe 192. A pair of small cylinders 194 are fixed around the suction pipe 192 symmetrically in the radial direction, 194 are connected to the lower end of the expansion pipe 190 at the lower end of the cylinder rod 196.

Accordingly, when the rotary disk 150 rotates, the cylinder rod 196 rises and the expansion and contraction tube 190 is separated from the rotary disk 150, so that it smoothly rotates without interference. When the rotation is completed, The lower end of the extension pipe 190 is brought into close contact with the dust collecting filter 156 of the rotary disk 150 so that the leakage of the suction pressure acting on the suction pipe 192 hardly occurs So that dust suction can be performed efficiently.

At this time, it is preferable that the expansion and contraction pipe 190 has a larger diameter than the through-hole 142.

In particular, the suction pipe 192 is further provided with a pressure detecting sensor S, and when the suction pressure drops below the set pressure, a signal is sent to automatically recognize that the dust filter 156 has been clogged, If the disc 150 is controlled to rotate, the clogging can be removed without stopping even during the process, thereby preventing the process loss.

In addition, as shown in FIG. 3, when the flange F is further extended orthogonally to the outer side at the lower end of the extension pipe 190, the sealing property is further enhanced, and the suction pressure loss can be completely prevented.

The present invention having such a configuration has the following operational relationship.

First, the particulate dust that has been subjected to the sorting process through the dust supply pipe 130 is supplied to the inner separator 120.

The dust is circulated in the circumferential direction of the inner separating cylinder 120 and then escapes from the inner separating cylinder 120 due to the suction pressure applied to the suction pipe 192. At this time, do.

Then, the unseparated portions are separated by colliding against the inner wall of the cyclone body 100, and a small amount of water is also separated in this process.

In addition, the internal heat rises due to friction or the like during the rotation movement, and in the process, the separation efficiency of a trace amount of moisture also increases.

Particularly, since the dust is lowered toward the lower end of the cyclone main body 100 while being spirally swirled on the protrusion guide 110, a time delay occurs due to the discharge, and the dust separation efficiency is rapidly increased.

Then, when reaching the lower end of the cyclone main body 100, the dust having a large specific gravity is immediately dropped and stored in the dust storage box 200 due to the suction pressure sucked from the lower end of the inner separating cylinder 120, These light dusts are sucked into the inner separating cylinder 120 and then moved toward the suction pipe 192 on the discharge inducing pipe 126.

At this time, the exhaust gas passes through a dust filter 156 disposed at the upper end of the discharge induction pipe 126, so that only fine particles smaller than the vents of the dust filter 156 escape, and larger ones are collected by the dust filter 156.

When the dust filter 156 is operated for a predetermined period of time, the dust filter 156 is automatically replaced by rotating the rotary disk 150 periodically under the control of the controller, or by using the pressure detection sensor S, The dust collecting filter 156 can be replaced by rotating the rotating disk 150.

For example, if the dust collecting filter 156 needs to be replaced due to clogging, the small cylinder 194 operates first to raise the extension pipe 190 slightly when a signal is applied, and then the rotation motor 160 rotates The rotary disk 150 is rotated by a predetermined angle.

Then, the dust filter 156 having clogging is moved to the side at a predetermined angle, and the new dust filter 156 is positioned above the through hole 140.

Thereafter, when the small cylinder 194 descends and the extension pipe 190 is brought into close contact with the rotating disk 150, the air jet opening 170 blows air to eliminate the clogging of the dust filter 156 located immediately below the small diameter cylinder 194 do.

In other words, since the rotary disk 150 rotates continuously, the clogging is automatically eliminated when the rotary disk 150 is placed below the air jet opening 170 in a state of clogging.

The dust that has caused the clogging due to the air purging through the air jet opening 170 falls down directly below. When falling, the dust is dropped on the discharge pipe 180 and stored in the dust storage box 200.

As described above, the present invention is expected to be very useful in the related art since the clogging of the filter is automatically eliminated while improving the efficiency of dust separation and discharge.

100: Cyclone body 110: Extrusion guide
120: inner separator 130: dust feed pipe
140: stationary disk 150: rotating disk
160: rotation motor 170: air nozzle
180: discharge pipe 190: extension pipe
200: dust storage box

Claims (3)

A cone-shaped cyclone body having a spiral guide protruding on an inner peripheral surface thereof;
An inner separating cylinder housed in the cyclone body with a lower end thereof opened and having a plurality of through holes formed around the upper side thereof;
A dust storage box to which a lower end of the cyclone body is connected;
A dust supply pipe penetrating the upper end of the cyclone body in the radial direction and communicating with the inside of the inner separator;
A discharge inducing pipe fixed at the center of the inner separating cylinder and piped through an upper surface of the inner separating cylinder and the cyclone body;
A fixed disk having a through hole fixed to and communicating with an upper end of the discharge induction pipe;
A rotary disk rotatably fixed on the stationary disk and provided with a dust filter at a predetermined radius in the circumferential direction;
A rotary motor fixed to the lower surface of the stationary disk and connected to the shaft of the rotary disk;
An air injection port provided at an upper portion of the filter ball at a point symmetrical with the through-hole with respect to the rotating disk in the radial direction;
A discharge pipe provided below the filter ball at a position directly below the air jet opening and connected to the dust storage box; And a suction pipe having an expansion and contraction tube which is closely adhered to an upper surface of a filter hole coinciding with the through hole.
The method according to claim 1,
Wherein a pair of small cylinders are fixed symmetrically in the radial direction on the outer circumferential surface of the suction pipe, and a lower end of the cylinder rod of the small cylinder is connected to the expansion and contraction pipe.
The method according to claim 1,
Wherein a lower end of the expansion and contraction tube is further formed with a flange that is vertically bent in an outward direction.

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