KR102294780B1 - Device for crushing organic wastes - Google Patents

Abstract

The present invention relates to an apparatus for pulverizing organic waste such as food waste, agricultural and marine product waste, sewage sludge and sludge which have gone through drying and sorting processes. The present invention provides an apparatus for pulverizing organic waste, wherein when an internal component such as a hammer of a pulverizing apparatus cartridge is being replaced, the entire pulverizing apparatus cartridge can be easily mounted and separated from a pulverizing apparatus main body in a slidable manner. In addition, a novel pulverizing apparatus cartridge replacement scheme is implemented in a way that a shaft and fixing plate are combined in a structure of being assembled and dissembled, such that the fixing plate can be easily mounted and separated from the shaft so as to improve workability in replacing the pulverizing apparatus cartridge, and therefore, efficiency in maintenance, repairing, and management of a facility can be ensured. Meanwhile, a novel air circulation system, in which a circulation duct branched from an exit side of the pulverizing apparatus is connected to an entrance side of the pulverizing apparatus, is implemented such that air flows smoothly inside the pulverizing apparatus. Accordingly, clogging occurring at the entrance side and a perforated net of the pulverizing apparatus can be completely resolved so as to improve an operating ratio of a facility and there is a reduction in the amount of dust such that the indoor working environment is improved.

Description

Device for crushing organic wastes

The present invention relates to an organic waste pulverizer, and more particularly, to a pulverizer for crushing organic wastes such as food waste, agricultural and livestock waste, sewage sludge and sludge after drying and screening.

Recently, with the development of industrial society, the treatment of various industrial wastes generated in large quantities is emerging as a serious social problem.

In particular, there are many difficulties in the treatment of organic wastes such as food waste, sludge, or sludge.

As an example, food waste or sludge, etc., are organic wastes containing a lot of water, and when they are buried as they are, they cause serious environmental pollution such as soil contamination and groundwater contamination by leachate, as well as require a vast landfill site. The severity of the treatment is very high.

Therefore, as the recycling method of organic waste has been studied from various angles, the progress of organic waste to feed and compost is being actively promoted. The recycling method is mainly applied.

In general, organic waste drying systems include a supply unit that supplies organic waste, a disk-type dryer that dries organic waste, a boiler that supplies a heat source to the dryer, a cyclone that separates particulate organic waste in condensed gas discharged from the dryer, and discharge from the dryer. It includes a condenser for condensing the condensed gas, and a discharge unit for discharging dry waste.

In addition, a dryer/cooler, a vibrating separator, a grinder, etc. are sequentially installed on the waste line between the dryer and the discharge unit for discharging the dry organic waste, and the dry organic waste exiting the dryer is post-processed and dried during the drying process. After passing through the process of sorting and grinding, it is supplied to the storage hopper of the discharge part.

In this organic waste drying system, the dried organic waste discharged through the dryer goes through the primary screening process, and is classified into iron and coarse materials, then flows into the crusher and is finely cut by a hammer attached to the inner cartridge. are crushed

Here, the pulverizer needs to be replaced periodically because the internal parts such as the hammer and the fixing plate are worn out after a certain period of use.

In the past, when replacing the cartridge (rotating body with hammers), the cartridge could be separated only when the main body was completely disassembled. There are disadvantages in terms of maintenance and operation of

Registered Patent Publication No. 10-1399503 Laid-open Patent Publication No. 10-2012-0021771 Unexamined Patent Publication No. 10-2019-0003066 Japanese Patent Laid-Open No. 2013-71046

Therefore, the present invention has been devised in view of this point, and when replacing internal parts such as hammers of the grinder cartridge, the entire grinder cartridge can be easily detached and mounted from the grinder body in a sliding manner, and the shaft and the fixed plate are disassembled And by implementing a new crusher cartridge replacement method that allows easy separation and installation of the fixed plate from the shaft by combining it with an assembly-friendly structure, it is possible to improve the replacement workability of the crusher cartridge, thereby securing the efficiency of maintenance and operation of the facility. An object of the present invention is to provide an organic waste shredder that can

In addition, another object of the present invention is to introduce a new air circulation system that connects the circulation duct branched from the outlet side of the grinder to the inlet side of the grinder so that the air flow inside the grinder can be made smoothly, so that the inlet side and It is to provide an organic waste shredder that can improve the indoor working environment by reducing dust, etc. as well as improving the utilization rate of the facility, such as completely eliminating the clogging phenomenon of the perforated network.

In order to achieve the above object, the organic waste pulverizer provided by the present invention has the following characteristics.

The organic waste pulverizer includes a pulverizer body having an upper inlet and a lower outlet, and a shaft that is installed inside the pulverizer body and is connected to the shaft of a motor as a means for pulverizing organic waste and is fitted coaxially on the shaft. A pulverizer cartridge comprising a plurality of fixed plates and a plurality of hammers coupled to the fixed plate through hammer pins, installed outside the pulverizer body and connected to the shaft of the pulverizer cartridge at the same time to provide power for rotation of the pulverizer cartridge It consists of a structure including a motor.

In particular, the front part of the grinder body is provided with a door that can be opened and closed while being tilted around the hinge part at the bottom, and slide grooves for removing or inserting the shaft of the grinder cartridge are provided on both side plates of the grinder body toward the rear side of the grinder body. The slide groove is formed in an exploded shape and is closed by a cartridge cover that is detachably installed on both sides of the grinder body with a bolt fastening structure, so that when replacing the grinder cartridge, the door is opened and the cartridge cover is removed. The feature is that the entire grinder cartridge can be pulled out or inserted through the slide groove in the state.

Here, on the outer circumferential surface of the shaft of the crusher cartridge, a concave portion is formed in parallel along the shaft longitudinal direction, and a convex portion is formed on the inner circumferential surface of the shaft penetrating portion of the fixed plate in response thereto, so that the shaft and the fixed plate are disassembled and convex through the concave-convex structure It is desirable to enable bonding.

In addition, an input conveyor and a discharge conveyor are installed at the inlet side and the outlet side of the crusher body, respectively, and a circulation duct is connected between the input conveyor and the discharge conveyor, so that the air circulation path leading to the internal space of the crusher body and the circulation duct is According to the composition, it is possible to prevent the internal clogging of the grinder body.

As a preferred embodiment, the crusher body is installed between the inlet and the crusher cartridge and is installed in a structure that can be folded back and forth to guide the organic waste input into the inside of the crusher body to one side and to prevent the organic waste from overflowing from the opposite side It may include a damper.

The organic waste grinder provided by the present invention has the following effects.

First, when replacing internal parts such as the hammer of the crusher cartridge, the entire crusher cartridge can be separated and mounted from the crusher body in a slide manner through the door opening operation and the removal of the cartridge cover, so that the replacement workability of the crusher cartridge is improved. It has the effect of securing the efficiency of the maintenance and operation of the facility, such as improving it.

Second, by combining the shaft and the fixing plate in a structure that can be disassembled and assembled, it is possible to easily separate and install the fixing plate from the shaft, as well as to replace only the worn out fixing plate, thereby saving time when replacing parts and replacing parts. It also has the effect of significantly reducing costs.

Third, by connecting the circulation duct branched from the outlet side of the grinder to the inlet side of the grinder to create a smooth air circulation flow inside the grinder, the clogging phenomenon of the inlet side of the grinder and the perforated network can be completely eliminated. It can improve the operation rate, improve the indoor working environment by reducing dust, etc., and has the effect of reducing the failure rate of equipment.

1 and 2 are a front view and a side view showing an organic waste pulverizer according to an embodiment of the present invention;
3 to 6 are perspective views showing the replacement process of the crusher cartridge in the organic waste crusher according to an embodiment of the present invention;
7 to 9 are a perspective view and a cross-sectional view showing a crusher cartridge in the organic waste crusher according to an embodiment of the present invention;
10 is a schematic view showing a circulation duct of an organic waste pulverizer according to an embodiment of the present invention

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

1 and 2 are a front view and a side view showing an organic waste shredder according to an embodiment of the present invention, and FIGS. 3 to 6 are perspective views showing the replacement process of the shredder cartridge in the organic waste shredder according to an embodiment of the present invention am.

1 to 6, the organic waste pulverizer includes a pulverizer body 12 as a means for providing a space for pulverizing organic waste.

An inlet 10 is formed at the upper portion of the pulverizer body 12 to allow organic waste to enter the pulverizer body, and an outlet 11 is formed at the lower portion to discharge the pulverized material therethrough.

The pulverizer cartridge 18 is installed inside the pulverizer body 12, and the organic waste introduced into the pulverizer body 12 can be finely pulverized by the pulverizing operation of the pulverizer cartridge 18 at this time.

The organic waste shredder also comprises a shredder cartridge 18 as a means for substantially crushing the organic waste.

The crusher cartridge 18 serves to crush or cut the organic waste in a manner that strikes the organic waste using the rotating hammer 17 .

The crusher cartridge 18 includes a shaft 14 connected to the shaft of the motor 13 to rotate, a plurality of fixing plates 15 that rotate together while being fitted and coupled in a coaxial structure on the shaft 14, and the fixing plate 15 ) is composed of a plurality of hammers 17 and the like that rotate together while being coupled through the hammer pins 16 on the .

The crusher cartridge 18 configured in this way can be installed in a structure supported through both ends of the shaft 14 .

For example, the grinder cartridge 18 is located inside the grinder body 12, and in this state, the shaft 14 of the grinder cartridge 18 passes through the side plate of the grinder body 12 (substantially) Bearings 29 extending outside the grinder body 12 (through the cartridge cover installed on the side plate) and having both ends of the shaft 14 positioned in this way installed on the outer frame structure of the grinder body 12 . ) by being supported at both ends, the crusher cartridge 18 can be installed in a structure supported through both ends of the shaft coupled to the bearing 29 .

Therefore, when power is received from the motor 13 and the shaft 14, the fixing plate 15, and the hammer 17 are rotated as a whole, the organic waste entering the inside of the crusher body 12 is the hammer 17. It can be crushed and crushed by hitting it.

In addition, the organic waste shredder includes a motor 13 as a means for providing power for rotation of the shredder cartridge 18 .

The motor 13 is installed in a structure supported on the frame structure from one external side of the grinder body 12, and the shaft of the motor 13 installed in this way penetrates the side plate of the grinder body 12 and extends outward. It is connected to one end of (14) by a coupling (30).

Accordingly, when the motor 13 rotates, the shaft 14 also rotates, and as a result, the entire grinder cartridge 18 rotates, so that the grinding operation can be performed.

Here, unexplained reference numeral 33 denotes a perforated network.

In particular, the present invention provides a structure in which the entire grinder cartridge 18 can be easily removed from the inside of the grinder body 12 or easily inserted into the grinder body 12 .

To this end, a door 20 that can be opened and closed is installed on the front part of the grinder main body 12 while being tilted around the lower hinge part 19 .

Therefore, during normal operation of the grinder, the front part of the grinder body 12 is closed while the door 20 is kept closed, and when the grinder cartridge 18 is replaced, the door 20 is opened and opened at the same time. The grinder cartridge 18 can be removed or inserted through the rear opening of the grinder body 12 .

Here, the upper end of the door 20 can be fixed to the grinder body 12 side by a known clamping device (not shown) capable of locking and releasing.

As another embodiment, as a means that can replace the role of the door 20, a cover for opening (not shown) detachable by a bolt fastening structure may be installed on the front portion of the grinder body 12, at this time When the cover for opening is removed from the Edo grinder body 12, an open part with a sufficient area is created in the front part of the grinder body 12, so that the grinder cartridge 18 can be removed or inserted through this place. .

In addition, on both side plates of the grinder body 12 , slide grooves 21 , through which the shaft 14 of the grinder cartridge 18 can be pulled out or put, for example, upper and lower dimensions relatively large compared to the diameter of the shaft 14 . Each of the slide grooves 21 cut in a substantially rectangular shape having a width is formed, and the slide grooves 21 thus formed can be formed in a form that is completely opened toward the rear side of the grinder body 12 .

In addition, cartridge covers 22 in the form of square plates having a relatively large area compared to the area of the slide groove 21 are respectively installed on both side plates of the grinder body 12, at this time each cartridge cover 22 can be detachably installed on the side plate of the grinder body 12 by a bolt fastening structure while closing the slide grooves 21 formed on both side plates of the grinder body 12 .

Accordingly, when replacing the grinder cartridge 18, open the door 20 installed on the front part of the grinder body 12 downward (or remove the cover installed on the front part of the grinder body), When the bolt fastening portion of the cartridge cover 22 installed on both side plates of the grinder body 12 is loosened, the front part of the grinder body 12 is opened and the fixed state of the side part is released at the same time, and the slide groove 21 A space through which the shaft 14 can escape is secured.

In this state, after separating the perforated network 33 disposed on the periphery of the crusher cartridge 18, the fixed state of the bearing 29 supporting the shaft 14 is released and the shaft 14 is connected If the connection with the coupling 30 is released and the entire grinder cartridge 18 including the bearings 29 and cartridge cover 22 on both sides is pulled out toward the front, the grinder cartridge 18 can be easily removed from the grinder body ( 12) can be separated from the outside.

That is, since the whole grinder cartridge 18 can be taken out by a simple operation of opening the door 20 and releasing the cartridge cover 22, as before, after completely disassembling the grinder body 12, the grinder cartridge 18 Compared to the method of removing the shredder cartridge, it is possible to secure the efficiency of replacement of the crusher cartridge, as there are advantages in terms of working time and manpower.

Of course, even when reassembling the new crusher cartridge 18 or the repaired crusher cartridge 18, push the crusher cartridge 18 into it from the front side of the crusher body 12 to position it, and then insert the cartridge cover ( 22) and simply closing the door 20, the reassembly work after replacement can also be completed quickly and easily.

In addition, the organic waste shredder includes a damper 28 as a means to assist the shredder cartridge 18 to more effectively pulverize the organic waste.

The damper 28 is in the form of a square plate and is positioned between the inlet 10 of the grinder body 12 and the grinder cartridge 18 and can be folded back and forth by a pin 31 at the bottom installed on the grinder body 12 side. installed in the structure.

When the damper 28 installed in this way is fully tilted backward while taking an inclined posture of about 45°, the inlet 10 side and one side of the crusher cartridge 18 (eg, a vertical line passing through the center of the crusher cartridge is a reference) As the front side - left in Fig. 2) is in an open state, organic waste is induced there and sent to the crusher cartridge 18 side, and at the same time, the inlet 10 side and the other side of the crusher cartridge 18 (for example, , the rear side relative to the vertical passing through the center of the crusher cartridge - the right side in FIG. 2) is closed, and organic waste is not sent to the crusher cartridge 18 side through this place.

Accordingly, the organic waste entering through the inlet 10 of the crusher body 12 is guided by the damper 28 to one side of the crusher cartridge 18, for example, the crusher cartridge 18 driven counterclockwise. It is pulverized as it naturally descends toward the rotational direction of the pulverizer, and the organic waste that comes up to the other side of the pulverizer cartridge 18 is blocked by the damper 28 to prevent overflow.

As a result, the organic waste introduced into the inlet 10 of the crusher body 12 smoothly while solving problems such as clogging and entanglement of organic wastes in the inlet area of the crusher cartridge 18 using the damper 28 It is possible to ensure a smooth flow of organic waste, such as being able to send it to the crusher cartridge 18 side, and to effectively pulverize the organic waste.

7 to 9 are a perspective view and a cross-sectional view showing a pulverizer cartridge of an organic waste pulverizer according to an embodiment of the present invention.

As shown in Figs. 7 to 9, here shows a method in which the fixing plate 15 can be easily detached or combined from the shaft 14 when the grinder cartridge 18 is replaced.

The pulverizer cartridge 18 includes a shaft 14, a fixed plate 15, a hammer 17, etc., and pulverizes organic waste using a hammer 17 that rotates after receiving power through the shaft 14 will play a role

To this end, a plurality of fixing plates 15 in the form of a disk are coupled to the outer circumferential surface of the shaft 14 while being fitted in a coaxial structure through the center hole, and the shaft 14 is between each fixing plate 15 at this time. A spacer 32 fitted thereon is disposed to maintain a gap between the fixing plates 15 .

In addition, a plurality of hammer pins 16 arranged in a horizontal direction in parallel with the shaft 14 at an edge portion of each fixing plate 15 fitted and coupled on the shaft 14, for example, at a predetermined interval along the circumferential direction About six hammer pins 16 arranged as .

At this time, since bolts are fastened to both ends of the hammer pin 16 , the hammer pin 16 as well as the hammer 17 can be easily separated when the bolt is released.

Accordingly, when the shaft 14 rotates according to the operation of the motor 13, the fixing plate 15 as well as the plurality of hammers 17 coupled to the ends also rotate, and eventually the rotating hammers 17 strikes the organic waste, so that the organic waste can be pulverized.

In particular, each fixing plate 15 axially installed on the shaft 14 is coupled in a structure that can be easily separated from the shaft side.

To this end, a recess 23 in the form of a square key groove is formed on the outer circumferential surface of the shaft 14 in parallel along the shaft longitudinal direction, and the recess 23 at this time is 180° out of phase on the outer circumferential surface of the shaft 14 and Two rows can be formed.

In addition, a rectangular convex portion 24 is formed on the inner circumferential surface of the shaft penetrating portion of the fixing plate 15, and the convex portion 24 at this time may also be formed in two places with a 180° phase difference on the inner peripheral surface of the shaft penetrating portion.

Accordingly, when the fixing plate 15 is coupled to the shaft 14, it can be coupled while inserting the convex part 24 of the fixing plate 15 along the recess 23 of the shaft 14, and thus the shaft 14 ) and the fixing plate 15 are coupled by an uneven structure, so that the fixing plate 15 can be easily disassembled from the shaft 14 side, and the fixing plate 15 can be easily coupled to the shaft 14 side. be able to

As a result, only the fixing plate 15 to be replaced can be replaced after the fixing plate 15 is separated from the shaft 14 when the fixing plate 15 is unbalanced or damaged when the fixing plate 15 is damaged, saving time related to the replacement of the fixing plate Of course, the cost of replacing parts can be greatly reduced.

That is, in the past, since the shaft and the fixing plate were connected by welding, the entire fixing plate and the shaft had to be replaced when the fixing plate was worn out or some of the fixing plates were damaged. Since only the parts to be replaced can be easily replaced, the working time can be shortened and the cost of replacing the parts can also be reduced.

10 is a schematic view showing a circulation duct of the organic waste pulverizer according to an embodiment of the present invention.

As shown in FIG. 10 , here, a structure is shown to prevent clogging by the pulverized material by creating a flow through which air can circulate inside the pulverizer body 12 .

Usually, the grinder cartridge 18 installed inside the grinder body 12 rotates at about 2,000 rpm. At this time, when the air inside the grinder body to which the grinder cartridge 18 belongs is not smoothly discharged, the grinder body 12 The clogging of the pulverized material occurs in the entrance and the perforated network 33 of the , and eventually, the facility operation rate is reduced such as frequent cleaning as well as inspection due to facility failure.

In the present invention, in order to solve this problem, a circulation duct 27 is provided between the input conveyor 25 and the discharge conveyor 26 respectively installed on the inlet 10 side and the outlet 11 side of the grinder body 12 . By connecting and installing the air circulation path leading to the internal space of the grinder body 12 and the circulation duct 27 , it is possible to prevent the internal clogging of the grinder body 12 .

That is, by guiding the exhaust air generated from the crusher cartridge 18 rotating at a high speed of about 2,000 rpm to the circulation duct 27 again and sending it to the inlet 10 side of the crusher body 12, the crusher body 12 It is possible to reduce clogging caused by pulverized materials such as creating a strong air flow from the inlet side to the outlet side. be able to

As described above, in the present invention, when replacing internal parts such as hammers of the grinder cartridge, the entire grinder cartridge can be easily separated and mounted from the grinder body in a sliding manner, as well as the shaft and the fixed plate are combined in a structure that can be disassembled and assembled. By providing a new method of replacing the crusher cartridge that can be easily separated and mounted on the fixed plate from the shaft, the efficiency of maintenance and operation of the facility can be secured, such as improving the replacement workability of the crusher cartridge.

In addition, in the present invention, by connecting the circulation duct branched from the outlet side of the grinder to the inlet side of the grinder to provide a new air circulation system that allows the air flow inside the grinder to be made smoothly, the inlet side of the grinder and the perforated network It is possible to improve the indoor working environment by reducing dust as well as improving the utilization rate of facilities, such as completely eliminating clogging.

10 : entrance
11: Exit
12: grinder body
13: motor
14: shaft
15: fixed plate
16: hammer pin
17 : hammer
18 : shredder cartridge
19: hinge
20 : door
21: slide groove
22: cartridge cover
23 : Yobu
24: iron
25: input conveyor
26: discharge conveyor
27: circulation duct
28 : damper
29: bearing
30: coupling
31 : pin
32: spacer
33: perforated network

Claims (4)

A grinder body 12 having an upper inlet 10 and a lower outlet 11, and a means for pulverizing organic waste installed inside the grinder body 12 and connected to the shaft of the motor 13 at the same time After passing through the cartridge cover 22, the shaft 14 supported at both ends by the bearings 29 installed on the outer frame structure of the grinder body 12 and the shaft 14 are coaxially fitted and coupled on the shaft 14. A grinder cartridge 18 comprising a plurality of fixing plates 15 and a plurality of hammers 17 coupled to the fixing plate 15 through hammer pins 16, and installed outside the grinder body 12 at the same time comprising a motor (13) connected to the shaft (14) of the grinder cartridge (18) to provide power for rotation of the grinder cartridge (18);
A detachable opening cover is installed on the front part of the grinder body 12 by a bolt fastening structure, and when the opening cover is removed from the grinder body 12, an open part is formed on the front part of the grinder body 12 As it is made, it is possible to take out or insert the grinder cartridge 18 through the opening made in this way,
On both side plates of the grinder body 12, slide grooves 21 into which the shaft 14 of the grinder cartridge 18 can be pulled out or inserted are formed in a form that bursts toward the rear of the grinder body 12, and at the same time, the slide grooves 21 is closed by a cartridge cover 22 that is detachably installed on both sides of the crusher body 12 with a bolt fastening structure, thereby opening the cover for opening when replacing the crusher cartridge 18 and the cartridge With the cover 22 removed, the entire grinder cartridge 18 can be pulled out or inserted through the slide groove 21,
An input conveyor 25 and a discharge conveyor 26 are installed at the inlet 10 side and the outlet 11 side of the grinder body 12, respectively, and a circulation duct is provided between the input conveyor 25 and the discharge conveyor 26 (27) is connected, so that the internal space of the grinder body 12 and the circulation path of the air leading to the circulation duct 27 are created, thereby preventing the internal clogging of the grinder body 12,
The pulverizer body 12 is installed between the inlet 10 and the pulverizer cartridge 18 and has a structure that can be folded back and forth to guide the organic waste input into the pulverizer body 12 to one side and organic waste from the opposite side Organic waste shredder, characterized in that it comprises a damper (28) to prevent this overflow. delete delete delete

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