KR102463779B1 - Apparatus for preventing sticking unnecessary substance of disk type dryer - Google Patents

Abstract

The present invention relates to a device for preventing attachment of a foreign substance, which can prevent a foreign substance, such as an inert matter from being grown and fixed in a ring shape between disks in a disk type dryer for drying food waste. The device for preventing attachment of a foreign substance has various shapes of blades between the disks of the disk type dryer. So, the device for preventing attachment of a foreign substance completely prevents the foreign substance, such as the inert matter, from being fixed in the ring shape during a dry process, thereby obtaining a sufficient heating surface of the disk and smoothly discharging a dried matter in a rotation direction of the disk. Therefore, the device for preventing attachment of a foreign substance can improve a facility operation rate and increase a dried amount of the waste by improving drying efficiency of the disk type dryer. Also, a protrusion structure having a rod shape is attached to the surface of the disk, and a scrapper is arranged between the disks so that the waste is mixed well by being turned over. Therefore, the device for preventing attachment of a foreign substance can improve the drying efficiency and mixing efficiency of the waste and generally improve treatment efficiency for the waste by easily crushing and mixing the compacted waste like a lump.

Description

A device for preventing foreign substances from adhering to a disk dryer

The present invention relates to a foreign material adhesion prevention device for a disk dryer, and more particularly, a foreign material adhesion prevention apparatus capable of preventing foreign substances such as contaminants from growing and fixing in a ring shape between disks in a disk dryer for drying food waste is about

In general, food waste discharged daily from restaurants or households can be recycled as animal feed, organic matter-rich compost, fuel supplements, etc. if dried while maintaining appropriate humidity and temperature.

In this regard, various types of food waste dryers have been proposed, such as fermentation, dehydration, pulverization drying, hot air and hot air drying, but there are many spatial restrictions due to the installation of the dryer, the problem of odor generation, and the processing time. There is a disadvantage in that the efficiency is lowered in relation to the operation of the dryer due to the problem of taking a long time.

Recently, a disk dryer that dries food waste using high-temperature steam is mainly adopted.

The disk dryer is a method of drying food waste by supplying steam while stirring and transporting the food waste using a disk rotating inside the drum. It is possible to improve the drying efficiency and processing efficiency related to the operation of the dryer, such as being able to dry efficiently in time.

Such a disk dryer can significantly lower the moisture content of food waste to increase the drying efficiency, and can increase the overall food waste drying efficiency and treatment efficiency, such as drying food waste in a uniform and suitable condition for recycling purposes. As a result, most food waste treatment companies are currently using it a lot.

However, the drying method using the conventional disk dryer has the following problems.

Usually, the waste (eg, food waste, sludge, etc.) stored in the food waste storage hopper goes through a pre-treatment process such as a crusher and a dehydrator, and the waste that has been continuously pre-treated is put into a disk dryer, dried, and then turned into feed. do.

In this way, the waste input between the heated multi-disks in the dryer is subjected to a step-by-step drying process, for example, the initial drying section → the main drying section (glue zone formation) → the waste vinyl, contaminants remaining in the waste, etc. As time passes, the same foreign material is fixed in the form of a ring-shaped mass from the inside between the discs. have.

Korean Patent Registration No. 10-1659814 Korean Patent Publication No. 10-2021-0016935

Therefore, the present invention was devised in consideration of this point, and by installing various types of blades between the disks of the disk dryer, it completely blocks foreign substances such as contaminants from sticking in a ring shape during the drying process, thereby reducing the heat transfer area of the disk. To provide a device for preventing foreign substances from adhering to a disk dryer, which can increase the drying efficiency of the disk dryer, improve the facility operation rate, and increase the amount of waste drying, by ensuring sufficient security and allowing the dry material to be smoothly discharged in the disk rotation direction. There is a purpose.

In addition, another object of the present invention is to attach a round bar-shaped protrusion structure to the surface of the disk and arrange a scraper between the disks so that the waste can be mixed well while being turned over, so that the drying efficiency and stirring efficiency of the waste can be increased at the same time. An object of the present invention is to provide a device for preventing foreign substances from adhering to a disk dryer, which can improve the overall waste treatment efficiency, such as easily crushing and agitating the hard lump-like waste.

In order to achieve the above object, the apparatus for preventing foreign matter from being attached to a disk dryer provided by the present invention has the following characteristics.

The apparatus for preventing attachment of foreign substances of the disk dryer includes a shaft installed in a rotatable structure inside the dryer body, a plurality of disks installed on the shaft, and at least one blade interposed between the disks, The blades are arranged in the radial direction of the shaft and installed in a structure that is fixed to the outer peripheral surface of the shaft and the surfaces of the disks on both sides facing each other through the lower end and both side ends. It is characterized by being able to block it.

Here, the blades may be formed in a flat plate shape or in a gentle arc-shaped plate, and the blades may be arranged at regular intervals along the shaft circumferential direction, and the blades may have the same length or , or may be of different lengths, respectively.

In addition, a plurality of round bars may be installed on the surface of the disk, which are radially arranged around the shaft while having a predetermined length.

In a preferred embodiment, the device for preventing attachment of foreign substances of the disk dryer further includes a scraper that is supported on the dryer body side and extends in the radial direction of the shaft to be positioned between adjacent disks and serves to turn over the waste between the disks. can do.

In this way, the scraper installed between the disks may be displaced at a predetermined angle along the shaft circumferential direction to form a zigzag shape as a whole.

These scrapers may be of the same length, or they may be of different lengths.

As a preferred embodiment, a "U"-shaped reinforcing clip may be installed on the edge of the disk to surround the joint between the two disk plates.

The device for preventing foreign matter from sticking to the disk dryer provided by the present invention has the following effects.

First, by using the blade installed between the disks of the disk dryer to prevent foreign substances such as contaminants from adhering in a ring shape during the drying process in advance, the heat transfer area of the disk can be sufficiently secured and the dry material can be moved in the disk rotation direction. Thus, it is possible to efficiently maintain and operate the facility, such as to improve the facility operation rate by increasing the drying efficiency of the disk dryer, and to increase the amount of waste drying treatment, and to increase the drying efficiency of the disk dryer. The improvement can reduce the consumption of fuel (LNG), which has the effect of reducing the cost.

Second, by using the scraper installed between the round bar attached to the surface of the disk and the disk to mix well while turning the waste over, it is possible to increase the drying efficiency and stirring efficiency of the waste and to easily remove the solid waste like a lump There is an effect that can improve the overall waste treatment efficiency, such as pulverization and stirring.

Third, it is possible to improve the working environment of the facility operation manager because it is unnecessary to remove the adherent material, and since it is possible to create a clean and comfortable condition around the facility, there is an effect of improving the working environment of the worker.

1 is a front view showing a disk dryer to which a foreign material adhesion prevention device according to an embodiment of the present invention is applied;
2 to 7 are a perspective view and a cross-sectional view illustrating an apparatus for preventing adhesion of foreign substances of a disk dryer according to an embodiment of the present invention;
8 and 9 are a side view and a cross-sectional view showing a round bar and a scraper in the apparatus for preventing foreign matter from attaching to a disk dryer according to an embodiment of the present invention;

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

1 is a front view showing a disk dryer to which a foreign material adhesion prevention device according to an embodiment of the present invention is applied.

As shown in FIG. 1 , the disk dryer includes a dryer body 10 as a means for providing a space in which food waste is dried.

The dryer body 10 has a cylindrical drum shape, and an inlet for inputting food waste is formed on the upper end of the front end, and an outlet for discharging dried food waste is formed on the side of the rear end.

Accordingly, when food waste is put into the interior of the dryer body 10 through the inlet, the food waste is dried by contact with the disk heated by steam and moved toward the outlet, and the food waste after drying treatment is discharged through the outlet.

In addition, the disk dryer includes a shaft 11 and a disk 12 as means for heating and drying the food waste and agitating it at the same time, and for moving the food waste backward.

The shaft 11 is a hollow shaft rotated by the driving device 17 , and can form a structure communicating with the inside of the disk 12 , and accordingly, the steam supplied to the inside of the shaft 11 . As it flows into the inside of the disk 12 , the disk 12 can be heated.

The disk 12 has a hollow disk shape having a space therein, and is installed on the shaft 11 in a structure coaxial with the shaft side while penetrating through the center thereof.

A plurality of such disks 12 are provided, and each disk 12 can be arranged at regular intervals along the longitudinal direction of the shaft 11 .

Accordingly, a certain amount of food waste, for example, food waste having a moisture content of 75 to 90% or more, is input through the inlet of the dryer body 10, and the shaft 11 and the disk 12 are driven by the driving device 17 As it rotates, the disk 12 is heated by the steam supplied to the inside of the shaft 11 and the surface temperature of the disk increases.

In this state, the food waste stirred while being mixed by the disk rotation in the dryer body 10 is dried while contacting the surface of the disk at which the temperature is raised, and the food waste that has been dried continuously is the outlet of the dryer body 10 . is emitted through

2 to 7 are a perspective view and a cross-sectional view illustrating an apparatus for preventing foreign matter from attaching to a disk dryer according to an embodiment of the present invention.

As shown in FIGS. 2 to 7 , the foreign material adhesion prevention device of the disk dryer is interposed between the disks 12 and is a means for preventing foreign matter from adhering in a ring shape to the outer circumference of the shaft between the disks. It comprises one or more blades (13).

The blade 13 is in the form of a plate made of a metal material, and is disposed in a form extending along the shaft radial direction, and while taking a posture with the front and rear faces facing the shaft rotation direction, it serves to push the food waste around the shaft. will do

These blades 13 may be made of a plurality of blades disposed at regular intervals along the shaft circumferential direction. Accordingly, it can be arranged at intervals of 120°.

Of course, a plurality of blades 13 can be arranged at intervals of 180° when two blades are formed, and at intervals of 90° when four blades 13 form various angles and can be arranged at equal intervals.

Such a blade 13 can be installed in a structure fixed to the outer peripheral surface of the shaft 11 and the surfaces of the disks 12 on both sides facing each other through the lower end and both side ends, respectively, through welding.

That is, the blade 13 is a plate in the form of a small engraving plate having a predetermined shape and size, for example, a rhombic shape or a trapezoidal shape while taking a length of about 100 to 200 mm, a thickness of about 6 mm, and a thickness of about 40 to 50 mm. It is made of a plate in the form of a plate having a width, so that it can be installed in a structure that fits snugly within the gap formed between the outer circumferential surface of the shaft 11 and the surfaces of the disks 12 on both sides.

In particular, the blade 13 may be formed in a flat plate shape, or may be formed in a gently curved arc-shaped plate.

Here, when the blade 13 is made of an arc-shaped plate, the blade 13 at this time has a curvature of about R300 and an arc (弧)-shaped plate.

At this time, the plurality of blades 13 made of the arc-shaped plate can be arranged to be bent in the same direction along the shaft circumferential direction.

In addition, the plurality of blades 13 may all have the same length or may have different lengths.

As an example, when the blade 13 is formed of three, each blade 13 may be formed to a length of about 200 mm.

As another example, when the blade 13 is made of three, one blade 13 has a length of about 100 mm, another blade 13 has a length of about 150 mm, and another blade 13 has a length of about 200 mm. be able to

Therefore, the blade 13 is disposed on the circumference of the shaft 11 within the gap between the disk 12 and the disk 12 and rotates together, so that the blade 13 is pushed to one side by the rotation of the disk 12 and In addition, the blade 13 pushes the food waste gathered toward the center while rotating, and as a result, it is possible to effectively block in advance the growth and fixation of foreign substances in the form of a ring around the shaft between the disks.

8 and 9 are a side view and a cross-sectional view showing a round bar and a scraper in the apparatus for preventing foreign matter from attaching to a disk dryer according to an embodiment of the present invention.

As shown in Figs. 8 and 9, here shows a round bar 14 and a scraper 15 that serve to effectively agitate the food waste.

Here, the round bar 14 and the scraper 15 can be applied to the disk 12 and the shaft 11 on which the blade 13 is installed.

The round bar 14 is made of a bar made of a metal material having a predetermined length and diameter.

For example, the round bar 14 may be formed in a circular bar shape having a length of about 100 to 200 mm and a diameter of about 5 to 10 mm.

The round bar 14 is made of a plurality of pieces and is installed through welding in a form that is radially arranged around the shaft 11 on the surface of the disk 12 .

For example, each of the round bars 14 can be installed in a form that is arranged in parallel along the radial direction in the radial middle region of the disk surface and arranged at regular intervals along the circumferential direction.

Here, the round bar 14 is preferably installed on both surfaces of the disk 12, and the round bar 14 installed on both surfaces at this time can correspond to the same position.

In addition, about four round bars 14 may be installed at intervals of 90° even in the surface edge area of the disk 12, and the round bars 14 installed in the disk surface edge area in this way are round bars installed in the middle area of the radius. Compared to (14), it is possible to make a rod of a relatively small length.

Accordingly, since a plurality of round rods 14 are installed on the surface of the disk 14, frictional interference between the food waste and the round rod 14 occurs when the disk 14 is rotated, and eventually the food waste becomes the round rod 14 ) and it is turned over by frictional interference and can be mixed well.

The scraper 15 is a plate made of a rectangular elongated band, and is installed in a structure extending in a straight line along the radial direction of the shaft while being supported on the dryer body 10 side using one end.

For example, the scraper 15 is installed in a structure in which one end is bolted onto the bracket 18 installed on the inner wall of the dryer body 10 .

The scraper 15 installed in this way is positioned between the disks 12 adjacent to each other and serves to turn over the waste between the disks 12 as well as to cut off the tangled waste lumps.

In addition, the scrapers 15 installed between the disks 12 are displaced at a certain angle along the shaft circumferential direction to form a zigzag shape as a whole.

As an example, the scraper 15 disposed in the front and the scraper 15 disposed in the rear side are disposed with a phase difference of about 10 to 20°, and the scraper 15 disposed at the rear side of the next is also Conversely, each scraper 15 arranged along the shaft length direction, such as arranged with a phase difference of about 10 to 20° (eg, arranged at the same position as the front scraper), can be installed while forming a zigzag shape. .

In particular, the other end of the scraper 15 can be extended to a position where the round bar 14 installed on the disk 12 is located, and accordingly, when the disk 12 is rotated, the scraper 15 and The round bar 14 can cooperate with each other to turn over the waste more smoothly, such as can interfere with the waste at the same time.

In addition, the scraper 15 may be made of the same length or may have different lengths, and the other end of the scraper 15 (eg, the end toward the shaft) is the shaft 11 . It is located close to the end of the blade 13 in the, and thus, when the disk 12 is rotated, the scraper 15 and the blade 13 cooperate with each other to effectively turn over and cut off the waste.

In addition, a "U"-shaped reinforcing clip 16 that surrounds the joint between the two disk plates is installed on the edge of the disk 12 by welding.

The reinforcing clip 16 installed in this way serves to firmly hold both disk plates in order to prevent deformation such as the joint portion of both disk plates, that is, the edge portion of the disk 12, to be widened. It serves to turn over the dry material well inside the main body 10 .

These reinforcing clips 16 can be installed at about four edges of the disk 12 .

Therefore, when the disk 12 is rotated, the food waste that is interfered with by the scraper 15 extending from the inner wall of the dryer body 10 toward the center is continuously turned over and mixed while the food waste in the form of a tangled lump is finely chopped. It is broken and disassembled and mixed, and eventually heat exchange with the disk side is sufficiently achieved, and drying efficiency can be further increased.

That is, among the food wastes that are pushed together and agitated when the disk 12 is rotated, the food wastes that are tightly agglomerated like lumps are interfered with by forcibly colliding with the scraper 15 so that they can be crushed and turned over once or twice at the same time. Therefore, the stirring operation can be actively performed, and eventually the food waste can be mixed evenly and drying efficiency can be improved.

As described above, in the present invention, by installing various types of blades between the disks of the disk dryer, it is possible to completely block foreign substances such as contaminants from adhering in a ring shape during the drying process, and thus, the heat transfer area of the disk can be sufficiently secured at the same time. By improving the drying efficiency of the disk dryer, such as allowing the dry material to be smoothly discharged in the rotational direction of the disk, it is possible to increase the facility operation rate, as well as increase the amount of waste drying treatment.

10: dryer body
11: shaft
12 : disk
13 : Blade
14 : Hwanbong
15 : scraper
16: reinforcing clip
17: driving device
18: bracket

Claims (10)

A shaft 11 installed in a rotatable structure inside the dryer body 10, a plurality of disks 12 installed on the shaft 11, and a blade 13 interposed between the disks 12 includes,
The blade 13 is disposed in the radial direction of the shaft and is fixed to the outer circumferential surface of the shaft 11 and the surfaces of the disks 12 on both sides facing each other through the lower end and both side ends while being installed between the disks. A device for preventing foreign substances from adhering to the disk dryer, characterized in that it can prevent foreign substances from adhering to the outer circumference of the shaft in advance.
The method according to claim 1,
The blade 13 is an apparatus for preventing foreign matter from being attached to a disk dryer, characterized in that it is formed in a flat plate shape.
The method according to claim 1,
The blade (13) is a device for preventing foreign substances from attaching to a disk dryer, characterized in that it is made of a plate of a gentle arc (弧) shape.
The method according to claim 1,
The blades 13 are disposed at regular intervals along the shaft circumferential direction.
delete The method according to claim 1,
A device for preventing foreign substances from adhering to a disk dryer, characterized in that a plurality of round rods (14) are installed on the surface of the disk (12) having a predetermined length and radially arranged around the shaft (11).
The method according to claim 1,
It is supported on the dryer body 10 side and extends in the radial direction of the shaft and is positioned between the disks 12 adjacent to each other and further includes a scraper 15 serving to turn over the waste between the disks 12 A device for preventing adhesion of foreign substances in a disk dryer, characterized in that.
8. The method of claim 7,
The scraper (15) installed between the disks (12) is displaced at a certain angle along the shaft circumferential direction to form a zigzag shape as a whole.
8. The method of claim 7,
The scraper (15) has the same length or different lengths.
The method according to claim 1,
A device for preventing foreign matter from adhering to a disk dryer, characterized in that a "U"-shaped reinforcing clip (16) is installed at the edge of the disk (12) to surround the joint between the two disk plates.

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