KR102468246B1 - Drum-type foreign substance adsorption screening device - Google Patents

Abstract

The present invention is configured to include a screen drum 100 having a hood 200 disposed therein so as to uniformly provide a suction force to the conveyor belt 10 having a U-shaped cross section, and intermediate treatment of construction waste. It relates to a sorting device that removes lightweight foreign substances such as paper, wood pieces, plastic pieces, vinyl, and styrofoam in the process of producing recycled aggregate by using
The present invention is a screen drum 100 including first and second side plates 110 and 120 disposed on both sides and a separation network 130 surrounding the first and second side plates 110 and 120. ; A hood 200 disposed inside the screen drum 100 and opened toward the conveyor belt 10 transporting the aggregate 1 to provide a suction force generated by the suction fan 400 to the conveyor belt; And a rotating shaft 500 coupled to the center of the first side plate 110 and rotating by externally applied power; Including, the suction force provided to the hood 200 is applied to the foreign matter 2 in the aggregate 1 transferred to the conveyor belt 10 through the separation net 130, so that the foreign matter 2 is separated It provides a drum-type foreign material adsorption and sorting device characterized in that it is configured to be transported along the rotational direction of the screen drum 100 in a state of adsorption to the net 130 and discharged in a section where the suction force is not provided.

Description

Drum-type foreign substance adsorption screening device {Drum-type foreign substance adsorption screening device}

The present invention is composed of a screen drum disposed inside a hood manufactured to provide a uniform suction force to a conveyor belt having a U-shaped cross section, and in the process of producing recycled aggregate by intermediate treatment of construction waste, paper , It relates to a sorting device that removes lightweight foreign substances such as wood chips, plastic chips, vinyl, and styrofoam.

According to the National Waste Generation and Treatment Status Report (2019, Ministry of Environment and Korea Environment Corporation), construction waste accounts for 48.1% of total waste, and the amount of construction waste generated was 206,951 tons/day in 2018, a 5.4% increase from 196,262 tons/day in the previous year. did Accordingly, through the “Announcement on the Use and Mandatory Amount of Recycled Aggregate Recycled Products (2017, Ministry of Environment)”, the Ministry of Environment orders recycled aggregates that can be recycled by sorting them out of construction wastes from the state, local governments, and public institutions. It is stipulated that it must be used for construction work.

However, despite the recent efforts to separate and dismantle construction sites, sorting combustible waste such as waste wood, waste plastic, and waste vinyl from waste concrete remains an unsolved problem. Therefore, at present, lightweight foreign substances contained in waste concrete are removed by methods such as manual screening, wind power screening, and wet screening before and after the first and second crushing processes for waste concrete.

However, combustible wastes that have not been sorted due to problems such as lack of manpower, lack of wind pressure during wind power sorting, precipitation due to moisture adsorption, etc. are re-entered into the repeated crushing and grinding processes of the 3rd and 4th crushing processes, so they are pulverized into smaller pieces. Eventually, it is mixed as a small foreign substance in the recycled aggregate, causing problems such as unstable recycled aggregate quality and reduced productivity.

As a method for separating and sorting small foreign substances, wet sorting is used to separate foreign substances floating on water using washing water, but there is a problem in that a large amount of wastewater and sludge are generated, causing soil and water pollution. In addition, since the washing water freezes in winter, it becomes difficult to separate and sort foreign substances, so there is a limit to the operation of the equipment in all seasons.

On the other hand, wind power sorting using wind is a method of separating and sorting combustible waste contained in recycled aggregate by using the weight difference of foreign substances by generating wind from a blower. In this regard, there are a number of research cases on the wind power sorting method using a cyclone. However, the cyclone method as described above has a problem in that aggregate with a low specific gravity can be separated along with foreign substances and fine dust is scattered by blowing. In order to solve this problem, research on a closed multi-stage blowing method is being conducted, but it is not applied to the existing recycled aggregate screening process due to the difficulty of miniaturizing the equipment.

Patent No. 10-2029736 "vibration-suction sorting device for foreign substances in aggregate" is "a vibration supply means for sending aggregate supplied to a slope downward and causing vertical vibration is provided, Vibration screening feeder that allows foreign substances to be discharged in a state separated by a specific gravity difference; A conveyor belt for receiving the aggregate discharged from the vibration sorting feeder and transporting it in one direction; a suction device installed above the point where the aggregate is discharged from the vibration sorting feeder and providing a suction force introduced through a suction pump; and a screen belt installed along a track formed around the suction device and advancing in a direction opposite to the transport direction of the conveyor belt. Including, the suction force provided by the suction device is applied to the foreign matter in the discharged aggregate through the screen belt, and the foreign material is adsorbed to the screen belt and is configured to be transported and discharged in a direction opposite to the conveying direction of the aggregate A vibration-suction sorting device for internal foreign substances” is provided.

Patent No. 10-2029736 as described above can efficiently sort out lightweight foreign substances of various types and properties from aggregates by a simple device configuration for providing vibration and suction power.

However, conventional conveyor belts for transporting construction wastes have a U-shaped cross section to prevent the wastes from scattering and escaping due to vibration and wind during transportation. In the case of the belt, there was a problem in that the suction force of the suction device was not uniformly transmitted to the U-shaped conveyor belt because the lower end was configured horizontally.

In addition, since a coupling member with a plurality of rotating shafts and a screen belt must be provided to form a circular orbit, the need for a device capable of continuously transporting the sorting net while having a simpler structure has emerged.

1. Registered Patent No. 10-2029736 "Vibration-suction sorting device for foreign matter in aggregate" 2. Registered Patent No. 10-2049250 "Vibration-self-adsorption-adsorption sorting device for foreign matter in aggregate" 3. Registered Patent No. 10-0759932 "Foreign matter sorting device for construction waste" 4. Registered Patent No. 10-0756420 "Apparatus and method for sorting and separating aggregates and foreign substances from construction waste"

The present invention permeates the suction force through the separation network of the continuously rotating screen drum, so that foreign substances such as paper, wood chips, Styrofoam, and vinyl that are transported mixed with the aggregate are adsorbed to the separation network of the screen drum. Its purpose is to provide a drum-type foreign matter adsorption sorting device.

In addition, the present invention can apply a suction force evenly in response to the U-shaped conveyor belt, and is easy to install and maintain by applying a screen drum configured to perform a sorting operation through continuous rotation, and a technical configuration that increases the efficiency of separating foreign substances There is another purpose in providing together.

In order to solve the above problems, the present invention, "a screen drum including a disc-shaped first and second side plates disposed on both sides and a separation network surrounding the first and second side plates; a hood disposed inside the screen drum and open toward a conveyor belt transporting aggregate to provide a suction force generated by a suction fan to the conveyor belt; And a rotating shaft coupled to the center of the first side plate and rotating by externally applied power; Including, the suction force provided to the hood is applied to the foreign matter in the aggregate transported to the conveyor belt through the separation network, and the foreign matter is transferred along the rotational direction of the screen drum in a state of adsorption to the separation network, It provides a drum-type foreign material adsorption and sorting device characterized in that it is configured to be discharged in a section where no suction force is provided.”

The screen drum may be disposed parallel to the moving direction of the conveyor belt, and the lower end of the hood is formed in an arc shape to provide a uniform suction force to the upper surface of the conveyor belt having a U-shaped cross section. It can be configured so that

In addition, the screen drum may include a connection frame connecting between the first and second side plates and supporting the separation network; It may be configured to further include.

In addition, the present invention is a counter weight (Counter Weight) for applying a load vertically downward to the rotating shaft; It may be configured to further include.

Also, the suction fan may be disposed inside or outside the screen drum.

In addition, the present invention is installed to contact the outer periphery of the second side plate to rotate in engagement with the second side plate, the auxiliary wheel (wheel) configured to support the load of the screen; may further include.

In addition, the separation network may be composed of a combination of separation network modules partitioned into a certain size.

1. The drum-type foreign material adsorption sorting device of the present invention has a simple structure compared to a circulation-type screen by applying a drum-type screen, so the production cost can be lowered, and the risk of failure is low, so the maintenance cost is reduced. have.

2. The lower end of the hood disposed inside the screen drum is formed in an arc shape to provide a uniform suction force to the upper surface of the U-shaped conveyor belt.

3. The drum-type foreign matter adsorption sorting device of the present invention is configured to provide suction by installing a hood inside the drum-type screen drum, and the equipment configuration is simple, so it is an intermediate treatment facility for construction waste without interference with other facilities You can easily install as many as you need at any desired location.

4. When foreign substances are attached and transported along the outer periphery of the cylindrical screen drum and discharged in a section where no suction force is provided, the foreign substances can be separated and discharged more smoothly by the centrifugal force generated by the rotation of the screen drum.

5. A return interception net is provided on the outer edge of the scrim drum separation net to facilitate discharge by effectively shaking off foreign substances adhering to the separation net and moving by static electricity and excess power.

6. Since the separation network can be replaced by module, only the damaged separation network module can be quickly replaced, making maintenance easy.

[Figure 1] is a perspective view of one embodiment of the drum-type foreign matter adsorption and sorting device of the present invention.
[Fig. 2] is a conceptual diagram of a process in which foreign substances are moved while being adsorbed to the separation net of the screen drum and separated by centrifugal force in a section where no suction force is provided.
(a) of FIG. 3 shows a state in which the suction fan is disposed inside the screen drum, and (b) shows a state in which the suction fan is disposed outside the screen drum.
[Figure 4] shows an embodiment in which a roller-type auxiliary wheel that rotates in engagement with the second side plate is installed.
5 is an example of an auxiliary wheel, (a) is an auxiliary gear is installed, (b) is an auxiliary sprocket is installed, (c) shows an embodiment in which a chain is installed.
6 shows a state in which the separation network of the present invention is installed and detached in the structure of a separation network module.

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

As shown in [Figs. 1] to [Fig. 3], the present invention surrounds the first and second side plates 110 and 120 and the first and second side plates 110 and 120 in a disk shape disposed on both sides. Screen drum 100 including a winding separation net 130; A hood 200 disposed inside the screen drum 100 and open toward the conveyor belt 10 transporting the aggregate 1 to provide a suction force generated by the suction fan 400 to the conveyor belt 10 ; And a rotating shaft 500 coupled to the center of the first side plate 110 and rotating by externally applied power; Including, the suction force provided to the hood 200 is applied to the foreign matter 2 in the aggregate 1 transferred to the conveyor belt 10 through the separation net 130, so that the foreign matter 2 is separated It provides a drum-type foreign material adsorption and sorting device characterized in that it is configured to be transported along the rotational direction of the screen drum 100 in a state of adsorption to the net 130 and discharged in a section where the suction force is not provided.

Hereinafter, in describing the embodiments of the present invention, the conveying direction of the conveyor belt 10 is referred to as the axial direction of the screen drum 100, and the direction orthogonal to the axial direction is referred to as the width direction. In addition, the direction in which the first and second side plates 110 and 120 are located in the screen drum is referred to as a side or a side.

The screen drum 100 includes disk-shaped first and second side plates 110 and 120 disposed on both sides and a separation net 130 surrounding the first and second side plates 110 and 120.

The screen drum 100 is installed so that its lower end is spaced apart from the conveyor belt 10 at a predetermined interval. In addition, the screen drum 100 is disposed parallel to the moving direction of the conveyor belt 10 .

Therefore, in the case of showing a cross-sectional view of the screen drum 100 and the conveyor belt 10 cut vertically in the traveling direction, as shown in [Fig. 2], the conveyor belt 10 having a U-shaped cross section Corresponds to the lower end of the screen drum 100 having a circular cross section, the upper surface of the conveyor belt 10 and the lower end of the screen drum 100 may be spaced apart while maintaining a constant interval as a whole.

The screen drum 100 is formed in a drum shape having a receiving space therein, and both sides are composed of first and second side plates 110 and 120 in a disk shape, and between the first and second side plates 110 and 120 It may be configured to further include a connection frame 140 connecting the.

The connecting frame 140 is arranged at regular intervals along the circumference of the first and second side plates 110 and 120 disposed to face each other, and has a cylindrical structure between the first and second side plates 110 and 120. It can be installed to form a The connecting frame 140 is installed at the end of the edge of the first and second side plates 110 and 120, or is spaced at a predetermined interval in a concentric circle direction from the edge of the first and second side plates 110 and 120 toward the center of the rotation shaft 500. and can be installed. When the connection frame 140 is installed adjacent to the end of the edge portion of the first and second side plates 110 and 120, an external force is supported at the joint between the connection frame 140 and the first and second side plates 110 and 120. Since there is a risk of cracking or damage to the first and second side plates 110 and 120 due to insufficient area of the member, the connection frame 140 is spaced at a predetermined interval from the edge of the first and second side plates 110 and 120. It is preferable to install

In addition, when the connection frames 140 are installed at regular intervals in the direction of the rotation shaft 500 as above, it is easy to install the return blocking network 160 to be described later. When the return blocking network 160 is manufactured and installed at the same height as the spaced length, the return blocking network 160 does not protrude outward from the first and second side plates 110 and 120 and is arranged externally. It is possible to prevent foreign substances from scattering to the side and to prevent damage to the return blocking network 160 by covering the side surface of the return blocking network 160 .

The first and second side plates 110 and 120 are formed in a disk shape having a constant thickness and are provided at both ends of the screen drum 100 . Since the first and second side plates 110 and 120 combine the connection frame 140 and the separation network 130 and rotate by the rotation shaft 500 for a long time, rigidity is required to prevent deformation and destruction due to torsion moment. It is preferable to be made of this high steel material and alloy steel.

The second side plate 120 is formed with an open hole to communicate with the inside of the screen drum 100, and the first side plate 110 is formed of an open hole or a closed disk-shaped panel without an open hole. It can be. The first side plate 110 having an open hole is connected to the outer edge of the rotating shaft 500 and the circumference of the open hole with a plurality of ribs, and the first side plate 110 without an open hole is directly connected to the rotating shaft 500. 1 may be coupled to the central portion of the side plate 110. At this time, since the first side plate 110 rotates together with the rotating shaft 500, a reinforcing member is added to the portion where the first side plate 110 and the rotating shaft 500 are coupled to reinforce or the first side plate 110 Strength may be increased by additionally stacking and bonding a reinforcing plate on the outside.

The flow pipe 300 may pass through the open hole of the second side plate 120 .

The flow pipe 300 may include a suction pipe 310 and a discharge pipe 320.

Among the flow pipes 300, the discharge pipe 320 is a flow passage through which air is discharged by the rotation of the suction fan 400, and the suction pipe 310 discharges air from the suction fan 400, thereby discharging air pressure difference. It is a flow path that provides the suction force generated by the hood 200.

The separation network 130 may be composed of a mesh network or a perforated network. The mesh network may be configured by weaving metal yarns in the form of a lozenge network or a lattice network. The perforated network may be configured by forming a plurality of perforated holes in a metal plate.

The hood 200 is open toward the conveyor belt 10 that transports the aggregate 1, and the suction force generated by the driving of the suction fan 400 and transmitted through the suction pipe 310 is applied to the conveyor belt. Provided to the aggregate (1) transported along (10). The suction force is applied to the aggregate 1 transferred to the conveyor belt 10 through the separation network 130 of the screen drum 100 rotating in the direction perpendicular to the moving direction of the conveyor belt 10. In addition, the suction force is insufficient to suck up the aggregate 1, and must be provided with sufficient force to suck up the foreign matter 2 such as paper, wood chips, Styrofoam, and vinyl. To this end, the suction fan 400 The rotational speed, the distance between the hood 200 and the conveyor belt 10, etc. must be appropriately adjusted. Accordingly, foreign substances 2 such as paper, wood chips, styrofoam, and vinyl mixed in the aggregate 1 can be sucked toward the hood 200 . Accordingly, it is preferable to open the entire lower surface of the hood 200 to widen the range in which the suction force is provided to correspond to the width of the conveyor belt 10.

[Fig. 2] shows the process in which the foreign matter 2 moves while adsorbed to the separation net 130 of the screen drum 100 and is separated by centrifugal force in a section where no suction force is provided.

As shown in [Fig. 2], the conveyor belt 10 for transporting the aggregate 1 is configured with a U-shaped cross section in order to prevent the separation of the aggregate 1 during transport.

Accordingly, the lower end of the hood 200 may be formed in an arc shape to provide a uniform suction force to the upper surface of the conveyor belt 10 having a U-shaped cross section. The lower end of the screen drum 100 and the cross section of the conveyor belt 10 are formed in a U shape and can be spaced apart from each other while maintaining a regular distance, and the hood 200 disposed inside the screen drum 100 is also formed at the lower end. may be formed in an arc shape.

Therefore, the lower end of the screen drum 100 and the hood 200 and the cross section of the conveyor belt 10 are all formed in a U shape to uniformly provide a suction force to the upper surface of the conveyor belt 10. .

Existing adsorption sorters have difficulty providing uniform suction to the upper surface of the conveyor belt 10 formed in a U-shaped cross section with the lower end of the hood formed horizontally, but the drum-type foreign matter adsorption sorter of the present invention has a U-shaped cross section There is an advantage in that the suction force can be uniformly provided to the conveyor belt 10 formed of.

The rotating shaft 500 may be coupled to the center of the first side plate 110 and rotated by externally applied power. The rotary shaft 500 is installed to pivot the screen drum 100, and it is preferable that the rotary shaft 500 is formed of a bar-shaped steel member to suppress torsional moment and increase durability.

The rotary shaft 500 is configured such that an end is coupled to the center of the first side plate 110 of the screen drum 100, or the rotary shaft 500 is inserted into the screen drum 100 for a certain length can be combined

Since the screen drum 100 is spaced apart in the air by the rotating shaft 500 coupled to the first side plate 110, the rotating shaft 500 is configured to support the entire load of the screen drum 100. At this time, in order to more stably couple the rotary shaft 500 and the first side plate, when the rotary shaft 500 is inserted into the screen drum 100 for a certain length and coupled, the rotary shaft 500 is finally formed. The load of the screen drum 100 can be supported more stably.

In order to install the rotation shaft 500, the rotation shaft 500 may be supported by a support frame, and bearings coupled to the rotation shaft 500 may be installed at required parts of the rotation shaft 500 and the support frame. The rotating shaft 500 may further include a power transmission unit 510 that transmits externally applied power. The power transmission unit 510 may include a power transmission sprocket formed along the outer periphery of the rotation shaft 500 and a power transmission chain that transmits rotational force applied from the outside.

Further, in the present invention, a counter weight (520) for applying a load vertically downward to the rotating shaft 500; may be configured to further include.

Since the screen drum 100 is installed spaced apart in the air with one side of the rotating shaft 500 coupled to the first side plate 110, it is fixed in a cantilever structure and is not coupled to the rotating shaft 500. A strong bending moment may be applied to the free end (periphery of the second side plate). Therefore, when the screen drum 100 is used for a long period of time, the entire screen drum 100 tilts downward due to the weight of the screen drum 100 and may contact the conveyor belt 10 and be damaged. Accordingly, tilting and sagging of the screen drum 100 can be prevented by adding a counter weight 520 that applies a load vertically downward to the rotating shaft 500 located on the opposite side of the free end.

At this time, the counter weight 520 may have a through hole into which the rotating shaft 500 is inserted. By inserting and fixing the counter weight 520 to the rotation shaft 500, a load may be applied downward to the rotation shaft 500. At this time, since the counter weight 520 rotates together with the rotating shaft 500, it is preferable to be formed in a cylindrical shape to prevent eccentric rotation.

In the present invention, the foreign matter 2 is not sucked into the hood 200, but is adsorbed to the separation net 130 of the screen drum 100 and moves for a certain section, and then in the section where the suction force is not provided. falls and is ejected.

In more detail, the suction force provided to the hood 200 is applied to the foreign matter 2 in the aggregate 1 transported to the conveyor belt 10 through the separation net 130, so that the foreign matter 2 is separated from the separation net It may be configured to be transported along the rotational direction of the screen drum 100 in a state of adsorption to the 130 and discharged in a section where the suction force is not provided.

As shown in [FIG. 2], the hood 200 provides a suction force from one end of the U-shaped conveyor belt to the other, and as the screen drum 100 rotates, the hood 200 is attached to the separation network 130. The foreign matter 2 is transferred along the rotational direction of the screen drum 100 while being attached to the separation net 130 due to the suction force provided by the hood 200 . Thereafter, when the foreign matter 2 reaches the section where the suction force is not provided, the foreign matter 2 is separated from the separation net 130 and discharged. In this case, the foreign matter 2 may not be easily separated from the separation net 130 due to the residual force of the suction force or static electricity. The screen drum 100 of the present invention is configured to continuously rotate, so that the foreign matter 2 is more easily discharged by the centrifugal force according to the rotation of the screen drum 100. In addition, when the foreign matter 2 falls freely, it may not be accurately seated in the foreign matter outlet (not shown), but in the present invention, the foreign matter 2 is moved by the centrifugal force caused by the rotation of the screen drum 100 Since it bounces up at a certain height at the same time as being discharged and settles in the foreign matter outlet, the foreign matter 2 can be discharged more stably.

As shown in FIG. 2 , the lower end of the hood 200 may have an extension portion extending a predetermined length in the discharge direction of the foreign matter 2 . When there is a need to stably guide the foreign matter 2 to the outlet of the foreign matter 2 by inducing the foreign matter 2 to a certain height, the lower end of the hood 200 is extended to a certain length to provide a suction force as described above. can In addition, in order to stably separate the foreign substances 2 when the foreign substances 2 reach the discharge section, the extension of the hood 200 gradually reduces the suction force toward the discharge section so that the foreign substances 2 are discharged. can be easily configured.

In addition, at the outer edge of the separation network 130, a plurality of return blocking networks 160 are provided at equal intervals, the upper end of which is installed in the axial direction to the separation network 130 and the lower end is configured not to touch the conveyor belt 10. It can be. At this time, the upper end of the separation network 130 connected to the separation network 130 may be rotatably coupled around the connection portion in the axial direction to accelerate the separation of the foreign matter 2 by shaking.

The return blocking network 160 may be composed of a network having the same material and structure as the separation network 130. In addition, the return blocking network 160 may be formed by reinforcing an edge part with an iron frame or made of a flexible material.

By additionally configuring the return blocking network 160, the foreign matter 2 is prevented from randomly scattering to the outside of the screen drum 100 by the suction force, and the centrifugal force, inertia and gravity in the discharge section of the foreign matter 2 The shaking of the return blocking net 160 by the above helps to discharge the foreign matter 2, and can contribute to the dropping and discharge of the foreign matter 2 at an appropriate position. In addition, the return blocking network 160 can prevent the foreign matter 2 from being returned to the separation network 130 due to static electricity during discharge.

Also, as shown in [FIG. 3], the suction fan 400 may be disposed inside or outside the screen drum 100. (a) of FIG. 3 shows a state in which the suction fan 400 is disposed inside the screen drum 100, and (b) shows a state in which the suction fan 400 is disposed outside the screen drum 100. It shows the state of being The size of the screen drum 100 can be easily changed, so that the hood 200 and the suction fan 400 can be installed inside the screen drum 100 when there is sufficient space therein.

When it is difficult to install the suction fan 400 inside the screen drum 100, the suction fan 400 can be installed outside and the suction force can be transmitted to the hood 200 through the suction pipe 310. At this time, both the suction pipe 310 and the discharge pipe 320 may be inserted through the open hole of the second side plate 120 to communicate with the inside of the screen drum 100 .

On the other hand, when the suction fan 400 is disposed inside the screen drum 100, the suction pipe 310 is disposed inside the screen drum 100, and the discharge pipe 320 is disposed inside the second side plate 120. ) can communicate with the inside of the screen drum 100 through the open hole.

At this time, the suction pipe 310 or the discharge pipe 320 inserted from the outside can support the lower end by installing an auxiliary frame and prevent long-term sagging.

The present invention is installed in contact with the outer periphery of the second side plate 120 to rotate in engagement with the second side plate 120, the auxiliary wheel (wheel, 600) configured to support the load of the screen; It may be configured to further include.

As described above, the screen drum 100 of the present invention is composed of a cantilever structure coupled to the rotation shaft 500 and the first side plate 110 and installed spaced apart in the air, so that the rotation shaft 500 A load applied to the screen drum 100 may be distributed by installing an auxiliary wheel 600 on the lower part of the second side plate 120 opposite the coupling part of the screen drum 100 and the screen drum 100.

As shown in [FIG. 2], the auxiliary wheel 600 may be disposed on the lower front side and rear side of the second side plate 120, respectively. Since this is arranged in a triangular shape when the rotation center of the screen drum 500 and the auxiliary wheels 600 on both sides are connected to each other, it is preferable to stably distribute the load.

The auxiliary wheel 600 can be applied to any rotational structure capable of engaging with the second side plate 120 and rotating, such as a roller, a gear, or a sprocket.

4 is an example of an auxiliary wheel 600 configured in a roller shape, which may be configured to rotate in contact with the second side plate 120 formed in a ring shape.

5 shows an embodiment of the auxiliary wheel 600, (a) is an auxiliary gear (600a) is installed, (b) is an auxiliary sprocket (600b) is installed, (c) is a chain 620 ) An embodiment in which is installed is shown.

5A is an example of a gear-type rotation structure, in which gear blades are formed around the second side plate 120, and the auxiliary gear 600a rotates in engagement with the gear blades formed on the second side plate 120. is shown. In this case, the auxiliary gear 600a may contribute to load distribution of the screen drum 100 like the roller-type auxiliary wheel 600 .

5B is an example of a chain 620 sprocket rotation structure, in which the chain 620 is wrapped around the second side plate 120 and installed, and the auxiliary sprocket 600b engages with the chain 620 to rotate. It shows the state of being lowered. In this case, like the roller-type auxiliary wheel 600, the auxiliary sprocket 600b may contribute to load distribution of the screen drum 100.

5C is another embodiment of the chain 620 sprocket rotation structure, in which a sprocket is formed around the second side plate 120, and the chain 620 simultaneously with the sprocket located at a distance from the top of the screen drum 100 It shows a state in which it is engaged and rotated. In this case, the second side plate 120 of the screen drum 100 is entirely connected to the upper sprocket with a chain 620, preventing the screen drum 100 from sagging and contributing to load distribution.

In addition, a channel type cover 610 installed to surround the periphery of the auxiliary wheel 600; It may be configured to further include. As shown in [FIG. 4], the channel-type cover surrounds and protects the auxiliary wheel 600, and may fix the rotation axis of the auxiliary wheel 600.

The auxiliary wheel 600 is not coupled to a separate auxiliary power transmission unit, and may perform only a role of distributing a load by being engaged with the rotation of the screen drum 100 .

Alternatively, an auxiliary power transmission unit (not shown) connected to the central axis of the auxiliary wheel 600 to rotate the auxiliary wheel 600; It may be configured to further include. In this case, the auxiliary power transmission unit may operate by adjusting the rotation speed according to the rotation ratio in order to smoothly rotate in engagement with the rotation of the second side plate 120 . As described above, when the auxiliary power transmission unit is coupled to the auxiliary wheel 600, the load of the power transmission unit 510 connected to the rotation shaft 500 may be distributed.

In addition, the separation network 130 may be composed of a combination of separation network modules 131 partitioned into a certain size.

6 shows a state in which the separation network 130 of the present invention is installed and detached in the structure of the separation network module 131.

The separation network 130 may be configured by combining separation network modules 131 partitioned to a certain size, and the size of the module may be determined based on the division formed between each connection frame 140.

Referring to the coupling structure of the separation network module 131 based on the embodiment of FIG. 6, the screen drum 100 includes first and second side plates 110 and 120 and the first and second side plates 110, 120) and includes a connection frame 140 that supports the separation network 130, and a ring-shaped frame 150 is additionally installed at the intermediate portion of the connection frame 140 to form the screen drum 100. ) can be strengthened.

According to the embodiment of [Fig. 6], the outer periphery of the screen drum 100 is composed of eight sections divided into first and second side plates 110 and 120, a connecting frame 140 and a ring frame 150, Accordingly, the separation network module 131 may be manufactured to correspond to the size and shape of each compartment and be installed by being coupled to the connection frame 140 and the ring-shaped frame 150. In addition, one separation network module 131 may be combined with several sections by forming the separation network module 131 with a size corresponding to the size of the combined size of several sections.

As described above, when the separation network 130 is composed of the combination of the separation network modules 131, even when a part of the separation network 130 is damaged, the entire separation network 130 is not replaced, and the damaged separation network module 131 ), it is possible to replace quickly, saves manpower and repair costs, and facilitates maintenance.

In the above, the present invention was examined in detail with specific examples. However, the present invention is not limited by the above embodiments and can be modified and modified within the scope without departing from the gist of the present invention. Accordingly, the claims of the present invention include such modifications and variations.

1: aggregate 2: foreign matter
10: conveyor belt
100: screen drum
110: first side plate 120: second side plate
121: open hole
130: separation network 131: separation network module
140: connection frame 150: ring type frame
160: return blocking network
200: hood
300: flow pipe
310: suction pipe 320: discharge pipe
400: suction fan
500: axis of rotation
510: power transmission unit 520: counter weight
600: auxiliary wheel
600a: auxiliary gear 600b: auxiliary sprocket
610: channel type cover 620: chain

Claims (8)

Disc-shaped first and second side plates 110 and 120 and the first and second side plates 110 and 120 disposed on both sides of the conveyor belt 10 for transporting the aggregate 1 in one direction and spaced apart from each other A screen drum 100 including a separation network 130 surrounding the;
a hood 200 disposed inside the screen drum 100 and open toward the conveyor belt 10 to provide suction force generated by the suction fan 400 to the conveyor belt 10; and
A rotating shaft 500 coupled to the center of the first side plate 110 and rotating by externally applied power; Including,
The suction force provided by the hood 200 is applied to the foreign matter 2 in the aggregate 1 transported to the conveyor belt 10 through the separation net 130, and the foreign matter 2 is transferred to the separation net 130 Drum-type foreign material adsorption and sorting device characterized in that it is configured to be transported along the rotational direction of the screen drum 100 in a state of adsorption to and discharged in a section where the suction force is not provided.
In paragraph 1,
The screen drum 100 is a drum-type foreign matter adsorption sorting device, characterized in that arranged in parallel with the traveling direction of the conveyor belt (10).
In paragraph 2,
The hood 200 is formed in an arc shape at the bottom,
Drum-type foreign matter adsorption sorting device, characterized in that configured to provide a uniform suction force to the upper surface of the conveyor belt (10) having a U-shaped cross section.
In paragraph 1,
The screen drum 100,
a connection frame 140 connecting between the first and second side plates 110 and 120 and supporting the separation network 130; Drum-type foreign matter adsorption sorting device, characterized in that configured to further include.
In paragraph 1,
A counter weight (520) for applying a load vertically downward to the rotating shaft (500); Drum-type foreign matter adsorption sorting device, characterized in that configured to further include.
In paragraph 1,
The suction fan 400 is a drum-type foreign matter adsorption sorting device, characterized in that disposed inside or outside the screen drum (100).
In paragraph 1,
an auxiliary wheel (Wheel, 600) installed in contact with the outer periphery of the second side plate 120, rotated in engagement with the second side plate 120, and configured to support a load of the screen; Drum-type foreign matter adsorption sorting device, characterized in that configured to further include.
In any one of claims 1 to 7,
The separation network 130,
Drum-type foreign matter adsorption sorting device, characterized in that composed of a combination of separation network modules 131 partitioned into a certain size.

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