KR101752606B1 - Screw conveyor apparatus for reduction furnace work of finex factory - Google Patents

Abstract

According to the present invention, there is provided a screw conveyor apparatus for use in a FINEX factory fluidized-bed reduction work, which is used for discharging a minute ore 20 inside a fluidized-bed reactor 10 provided in a FINEX plant to the outside, And a discharge port 112 for discharging the charged ore 20 to the outside is formed at a lower side of one side in the longitudinal direction of the discharge port 111. [ The casing unit 110 is rotatably mounted in the casing unit 110 while both ends of the casing unit 110 and the bearings 113 and 114 mounted on both ends of the casing unit 110 are supported. And a rotary shaft part (120) for transferring the minute ore (20) to the discharge port (112) side. A driving unit 200 disposed at one side of the casing unit 110 to provide driving force necessary for rotating the rotary shaft unit 120; And a leg unit 300 mounted on the casing unit 110 to support the casing unit 110 at a predetermined height and to which a moving wheel 310 is mounted at a lower end of the FINEX factory, The device is initiated.

Description

FIELD OF THE INVENTION [0001] The present invention relates to a screw conveyor device for a fluidized-

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screw conveyor apparatus for use in a fluidized-bed reactor for a FINEX factory, and more particularly, to a FINEX factory fluidized-bed reactor used for discharging a fluidized- To a work screw conveyor apparatus.

As a part of the FINEX process, the FINEX plant usually has a fluidized-bed furnace to convert powdered ores (Iron Ore Fine) into reducing gas to convert it to pure iron.

In this fluidized-bed reactor, a process for continuously reducing the ore ore is carried out, and the ore ore that has not been discharged to the downstream is accumulated in the inside. Therefore, the inside of the fluidized- Should be done.

Conventionally, the worker has carried out the discharge of the fluidized bed by discharging the ore into the bucket by the force of the porcelain mortar and discharging it to the outside, and the work load is frequently increased due to frequent operation of the ore heated by the high temperature In addition, a large number of workers had to be input, and there was a risk of safety accidents such as burns.

Patent Document 10-0815702 (Mar. 14, 2008), Flue gas recovery apparatus and method for manufacturing molten iron using general coal and mined iron ore.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide an apparatus and a method for discharging minute ore in a fluidized-bed reduction reactor by simply pouring ore- The present invention is to provide a screw conveyor device for a fluidized-bed reduction work of a FINEX factory, which can drastically reduce manpower work, maximize work efficiency, and minimize the risk of a safety accident.

In order to accomplish the above object, according to the present invention, there is provided a screw conveyor apparatus (1) for use in a fluidized-bed reactor for FINEX factory, which is used for discharging a powdered ore 20 in a fluidized- A screw conveyor apparatus for use in a FINEX factory fluidized-bed reduction reactor, comprising: a horizontally disposed tubular body; an upwardly open upper portion extending along an extended length of the inlet (111) for introducing the ore (20) A casing 110 having a discharge port 112 for discharging the charged ore 20 to the outside and a bearing 113 and 114 mounted on both ends of the casing 110, And a rotary shaft part (120) rotatably mounted inside the rotary shaft part (110) and having a screw (121) formed on its outer circumferential surface to rotate and feed the rotary shaft (20) (100); A driving unit 200 disposed at one side of the casing unit 110 to provide driving force necessary for rotating the rotary shaft unit 120; And a leg 300 mounted on the casing 110 to support the casing 110 at a predetermined height and to which a moving wheel 310 is mounted.

Here, a plurality of through holes 411 for horizontally disposed to cover the opened top of the casing unit 110 and for passing the minute ore 20 into the casing unit 110 are formed, And a lid 410 made of a synthetic resin.

The rotating shaft portion 120 is formed in a tubular shape having open ends at both ends and has a rotary tube 122 having the screw 121 formed on the outer circumferential surface thereof and a rotary pipe 122 having one end thereof connected to one end of the casing portion 110, The first connecting rod 123 is rotatably supported on the bearing 113 and the other end is fitted to one opened end of the rotating pipe 122 and receives the driving force of the driving unit 200 to rotate the rotating pipe 122. And a second connecting rod 124 which is rotatably supported on a second bearing 114 mounted on the other end of the casing unit 110 and the other end is fitted on the other end of the rotating pipe 122, ).

In addition, a minute ore 20, which is formed in a plate shape extending up to a predetermined length and which is detachably mounted along the open periphery of the casing part 110 and is shot toward the charging port 111, And a guide plate 420 guiding the guide plate 420 to be introduced.

The leg portion 300 is vertically extended and supports the load of the casing portion 110. The leg portion 300 is hinged to the casing portion 110 and is hinged to a horizontal direction in a direction toward one end of the casing portion 110, It can be folded and operated.

In addition, a cooling water which is formed along the extended longitudinal direction of the casing part 110 and circulates the cooling water supplied from the outside is provided in the side wall or the bottom surface of the casing part 110, And a cooling pipe 430 for cooling the heat exchanger 110.

The feeding part 100 is formed in a horizontally arranged tube shape. The feeding opening 111 is formed at the upper part, the first casing connecting opening 132 is formed at one end, and the second bearing 114 is formed at the other end. And a screw 121 is formed on the outer circumferential surface of the first housing 131 and is rotatably supported at one end thereof by the second bearing 114, A first transfer unit 130 including a first rotation shaft 133 having a first shaft coupling hole 134 formed therein and a horizontally disposed tube shape having the inlet 111 formed at an upper portion thereof, A second casing 141 having a second casing connecting opening 142 to be detachably coupled to the casing connecting opening 132 and having a third casing connecting opening 143 formed at the other end thereof and a second casing 141 corresponding to the second casing 141 And a screw 121 is formed on the outer circumferential surface thereof, And a second rotation shaft 144 having a second shaft coupling hole 145 to be detachably coupled to the first shaft coupling hole 134 and having a third shaft coupling hole 146 formed at the other end thereof, And a fourth casing connecting port 132 or a third casing connecting port 143. The first casing connecting port 132 and the third casing connecting port 143 are connected to the first casing connecting port 132 and the third casing connecting port 143, A third casing 151 having a connection port 152 formed therein and a screw 121 formed on an outer circumferential surface of the third casing 151 and extending in a length corresponding to the third casing 151 and having one end rotatable with respect to the first bearing 113 And a third rotation shaft 153 formed at the other end thereof with a fourth shaft coupling hole 154 which is detachably coupled to the first shaft coupling hole 134 or the third shaft coupling hole 146. [ , And the upper surface of the first transfer unit 130, the second transfer unit 140 and the third transfer unit 150 Between the clamping state and the second may be the total length of the casing 110 and the rotary shaft portion 120 controlled according to the number entered into the transfer unit (140).

INDUSTRIAL APPLICABILITY According to the screw conveyor apparatus for use in a FINEX factory fluidized-bed reactor according to the present invention,

First, the front side of the casing unit 110, which is horizontally disposed in a tubular shape, is disposed inside the fluidized-bed reactor 10 and the rear side of the casing unit 110 is disposed outside the fluidized- The minute ore 20 inserted into the screw 121 of the rotating shaft 120 rotating inside can be poured by simply pouring the minute stone 20 into the inlet 111 of the casing unit 110, It is possible to greatly reduce the manpower work, maximize the working efficiency, and minimize the risk of the accident such as burns, since the ore 20 in the fluidized-bed reactor 10 can be easily discharged to the outside.

Second, since the casing unit 110 is supported at the lower portion of the casing unit 110 at a predetermined height and the leg 300 is mounted at the lower end thereof with the moving wheel 310, the conveyance of the screw conveyor apparatus is facilitated There is an advantage that work for installing the casing unit 110 so as to extend over the inside and outside of the entrance 11 of the fluidized-bed reactor 10 is facilitated.

Third, in the case of the leg portion 300, the leg portion 300 is vertically extended to support the load of the casing portion 110, and is hinged to the casing portion 110, and is hinged to one side (rear side) of the casing portion 110 So that even if the height of the doorway 11 of the fluidized-bed reactor 10 is high, the operator can push the doorway 11 only by pushing the casing unit 110 horizontally without having to carry the casing unit 110, So that the installation work of the casing unit 110 is facilitated.

Fourthly, an inlet 111 formed in the upper part of the casing unit 110 is formed to extend along the extended length of the casing unit 110 and moves along the casing unit 110, and the minute ore 20 is inserted into the inlet 111 It is possible to minimize the movement necessity of the operator and the movement of the casing unit 110, and it is also possible for the various occupants to simultaneously apply the cauldron 20 by using the casing unit 110 It is possible to carry work.

Fifthly, a plurality of through holes 411 are formed in the opened upper part of the casing 110 to cover the inlet 111 and pass the minute ore 20 into the casing 110 It is possible to prevent the lump ore 20 from being overloaded into the rotation of the rotating shaft 120 by being inserted into the casing 110, It is possible to prevent the occurrence of a safety accident such as the injury of the worker's body while the screw 121 is caught.

Sixth, the rotary shaft portion 120 has a tubular shape with both ends opened and a rotary pipe 122 having a screw 121 formed on the outer peripheral surface thereof, and a first bearing 113 (see FIG. 1) mounted on one end of the casing portion 110, A first connecting rod 123 that is rotatably supported on the other end of the rotary pipe 122 and is engaged with an opened end of the rotary pipe 122 and receives the driving force of the driving unit 200 to rotate the rotary pipe 122, And a second connecting rod 124 rotatably supported on a second bearing 114 mounted on the other end of the casing unit 110 and the other end of which is fitted to the other end of the rotating pipe 122, The weight of the rotary shaft 120 can be minimized while the load applied to the rotary shaft 120 can be sufficiently sustained and the driving load of the driving unit 200 can be greatly reduced.

Seventhly, a guide plate 420 having a plate shape extending upward by a predetermined length is mounted around the opening of the casing unit 110, and a minute ore 20 thrown toward the inlet 111 is inserted into the inlet 111 So that the work for injecting the ore 20 into the dispensing opening 111 can be facilitated by using a work tool such as a spade or the like. Further, since the guide plate 420 is detachably mounted on the casing 110, the guide plate 420 can be moved in a direction that facilitates the operation according to the position where the operator is disposed with respect to the casing 110 So that the convenience of the operator is increased and thus the working efficiency can be improved.

Eighth, inside the side wall or the bottom surface of the casing unit 110, a cooling pipe 430 extending along the extended longitudinal direction of the casing unit 110 and circulating cooling water supplied from the outside is disposed, The casing unit 110 heated by the heating unit 20 can be cooled effectively, so that the body of the worker is contacted with the casing unit 110 and an image is formed or the casing unit 110 made of a metal material is oxidized It is possible to prevent aging.

The ninth conveyance unit 100 including the casing unit 110 and the rotation axis unit 120 includes a first conveyance unit 130 and a second conveyance unit 140 each having a casing and a rotation axis extending to a predetermined length, And the third transfer unit 150. Each of the transfer units is detachably coupled to each other through a connection port formed at each end thereof. Therefore, depending on the size of the fluidized-bed reactor 10 or the unloading operation environment, And the entire length of the rotating shaft portion 120 can be easily adjusted.

1 and 2 are a perspective view and a side sectional view showing the construction of a screw conveyor apparatus according to a preferred embodiment of the present invention,
3 is a side view for explaining an operation principle of folding a leg portion according to a preferred embodiment of the present invention and passing it through an entrance 11 of a fluidized-
FIG. 4 is a perspective view illustrating a configuration of a cooling pipe according to a preferred embodiment of the present invention;
FIG. 5 is an exploded perspective view showing a configuration in which a conveying unit according to a preferred embodiment of the present invention includes a first conveying unit, a second conveying unit, and a third conveying unit.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

A screw conveyor apparatus 1 for a FINEX factory fluidized-bed reactor according to a preferred embodiment of the present invention is a screw conveyor apparatus 1 for use in discharging a powdered ore 20 inside a fluidized- 1, and includes a conveying unit 100, a driving unit 200, and a leg unit 300, as shown in FIGS. 1 and 2.

The conveying unit 100 is provided with a passage for conveying the ore 20 and presses the ore 20 to be conveyed along the passage with the provided driving force. The conveying unit 100 includes a casing 110, (120).

The casing unit 110 has a horizontally arranged tube shape. The casing unit 110 is upwardly opened and extends upward along the length of the inlet 111 for introducing the ore ore 20, And an outlet 112 for discharging the minute ore 20 to the outside is formed.

The lower part of the casing unit 110 is rounded downward to be spaced apart from the screw 121 of the rotary shaft part 120 to minimize the gap. Both ends of the rotary shaft part 120 are rotated Bearings 113 and 114 are mounted for possible support.

In the casing unit 110, the rear side where the discharge port 112 is disposed is disposed outside the fluidized-bed reactor 10, and the front side opposite thereto is disposed inside the fluidized-bed reactor 10 so that the fluidized- The outlet of the ore ore 20 can be discharged to the outside.

The inlet port 111 formed on the upper portion of the casing unit 110 is extended along the extended length of the casing unit 110 and moves along the casing unit 110 to connect the ore unit 20 to the inlet port 111 It is possible to minimize the movement necessity of the operator and the movement of the casing unit 110, and it is also possible for the various occupants to simultaneously apply the cauldron 20 by using the casing unit 110 It is possible to carry work.

As shown in FIGS. 1 and 2, the upper portion of the casing unit 110 is covered with an inlet 111, and a minute ore 20 is inserted into the casing unit 110 The lump portion 410 of the wire net structure in which the plurality of through holes 411 for passing the lump portion 411 is formed is mounted on the rotating shaft portion 120, It is possible to prevent the occurrence of a safety accident such as the injury of the wearer's body being caught by the rotating screw 121. [

The rotary shaft portion 120 is rotatably mounted in the casing portion 110 while both ends of the bearing portion 113 and 114 are supported by the bearings 113 and 114. A screw 121 is formed on the outer circumferential surface of the rotary shaft portion 120, And transfers the minute ore 20 to the discharge port 112 side.

2, the rotary shaft 120 includes a rotary tube 122 having a tubular shape having a length corresponding to the casing 110 and having both ends opened and having a screw 121 formed on the outer surface thereof, One end of which is rotatably supported by a first bearing 113 mounted on one end of the casing unit 110 and the other end is fitted into one end of an open end of the rotation pipe 122, A first connecting rod 123 that rotates the rotary pipe 122 and receives rotation of the rotary pipe 122 and a second bearing 114 mounted on the other end of the casing unit 110, And a second connecting rod 124 fitted to the other opened end of the second connecting rod 124.

As described above, it is possible to sufficiently support the load (load) applied to the first connecting rod 123 and the second connecting rod 124, which support the load of the rotary shaft part 120 or are directly transmitted to the driving force, The weight can be minimized and the driving load of the driving unit 200 can be greatly reduced.

The driving unit 200 is disposed at one side of the casing unit 110 to provide a driving force required for rotating the rotating shaft unit 120. The driving unit 200 includes a driving motor 210 that rotates the driving shaft according to an applied driving power and a driving motor 210 that is mounted on the casing unit 110 and supports the driving motor 210 on one side of the casing unit 110 And a chain coupling 230 connecting the driving shaft of the driving motor 210 to one end of the rotating shaft 120 and transmitting the driving force.

1, the leg portion 300 is a means for supporting the load of the casing portion 110. The leg portion 300 is mounted on the casing portion 110 to support the casing portion 110 at a predetermined height, A moving wheel 310 is mounted.

The leg portion 300 is vertically extended to support the load of the casing portion 110. The leg portion 300 is hinged to the casing portion 110 and is folded horizontally horizontally in the direction toward one end of the casing portion 110. [ .

3, even if the height of the entrance 11 of the fluidized-bed reactor 10 is high, the operator can push the casing unit 110 without moving the container unit 110, The casing 110 can be easily installed.

In addition, the leg portion 300 may have a structure in which the leg portion 300 is vertically extended and contracted in a state of being fixed to the casing portion 110 in a manner other than hinging to the casing portion 110, And can be automatically expanded or contracted by receiving the driving force from the driving means.

Due to the combination of the conveying unit 100, the driving unit 200, and the leg unit 300, the front side of the casing unit 110 having a horizontally arranged tubular shape is disposed inside the fluidized-bed reactor 10 The rear side of the casing unit 110 in which the discharge port 112 is formed is installed in the inlet 111 of the casing unit 110 in the state where the screw conveyor apparatus is installed so as to be disposed outside the fluidized- The minute powder 20 injected into the screw 121 of the rotary shaft 120 rotating inside is transferred to the outside of the fluidized-bed reactor 10 so as to be easily discharged to the outside The workforce can be greatly reduced, the work efficiency can be maximized, and the risk of safety accidents such as burns can be minimized.

1 and 2, a guide plate 420 having a plate shape extending upward by a predetermined length is mounted around the opening of the casing unit 110, It is possible to guide the minute ore 20 into the inlet 111 so that the work for injecting the ore 20 into the inlet 111 using a work tool such as a spade can be made easier. Further, since the guide plate 420 is detachably mounted on the casing 110, the guide plate 420 can be moved in a direction that facilitates the operation according to the position where the operator is disposed with respect to the casing 110 So that the convenience of the operator is increased and thus the working efficiency can be improved.

Here, the guide plate 420 can be attached to the lower side of the fastening hole 115 formed in the casing unit 110 by screwing, and the fastening hole can be detachably attached to the guide plate 420 using a fastening structure of the fastening jaw and the fastening groove or a separate bracket. Respectively.

Meanwhile, when the high-temperature minute ore 20 is conveyed along the inside of the casing unit 110, the casing unit 110 made of a metal material such as steel is heat-transferred to the inside of the casing 20, Can be heated.

4, a screw conveyor apparatus 1 according to a preferred embodiment of the present invention includes a casing unit 110 and a casing unit 110. The casing unit 110 includes a casing 110, And a cooling pipe 430 for circulating cooling water supplied from the outside is disposed to effectively cool the casing part 110 heated by the high-temperature ore powder 20, so that the body of the worker contacts the casing part 110 It is possible to prevent the casing portion 110 made of a metallic material from being burned and being easily aged due to oxidation due to high temperature.

The conveying unit 100 may include a first conveying unit 130, a second conveying unit 140, and a third conveying unit 150 so that the entire length of the conveying unit 100 can be adjusted while being assembled with each other.

As shown in FIG. 5, the first transfer unit 130 is a unit disposed on the front side of the transfer unit 100. The first transfer unit 130 has a horizontally disposed tubular shape. The transfer port 111 is formed in the upper part, A first casing 131 in which one casing connecting port 132 is formed and the other end thereof is mounted with the second bearing 114 and a screw 121 extending in a length corresponding to the first casing 131, And a first rotation shaft 133 having one end rotatably supported by the second bearing 114 and having a first shaft coupling hole 134 formed at the other end thereof.

The second conveying unit 140 is disposed at the center of the conveying unit 100. The second conveying unit 140 is horizontally disposed in a tubular shape. The inlet 111 is formed at an upper portion of the conveying unit 140, A second casing 141 having a second casing connection port 142 to be detachably coupled to the first casing 132 and a third casing connection port 143 formed at the other end of the second casing 141, A screw 121 is formed on the outer circumferential surface and a second shaft coupling hole 145 is formed at one end to be detachably coupled to the first shaft coupling hole 134 and a second shaft coupling hole 145 is formed at the other end, And a plurality of second transfer units 140 may be provided.

The third conveying unit 150 is a unit disposed on the rear side of the conveying unit 100. The third conveying unit 150 is horizontally disposed in a tubular shape. The inlet 111 is formed at the upper portion, and the first casing connecting hole 132 is formed at one end. And a fourth casing connection port 152 which is detachably coupled to the third casing connection port 143. The third casing 151 extends to a length corresponding to the third casing 151 and has a screw 121 And a fourth shaft coupling hole 154 which is detachably coupled to the first shaft coupling hole 134 or the third shaft coupling hole 146 is formed at the other end of the first bearing 113, And a third rotary shaft 153 formed with a second rotary shaft 153a.

Here, each of the connectors may be formed in a flange-like shape so as to be detachably fastened to each other by a screw connection, or may be detachably mounted using a fastening structure of a latching jaw and a latching groove or a separate bracket.

Therefore, depending on the state of engagement between the first transfer unit 130, the second transfer unit 140, and the third transfer unit 150, and the number of the second transfer unit 140 being fastened, And the entire length of the rotary shaft portion 120 can be adjusted.

The first conveying unit 130 and the third conveying unit 150 may be assembled together to reduce the length of the casing 110 and the rotary shaft 120. The first conveying unit 130, The second transfer unit 140 may be disposed between the third transfer unit 150 and the third transfer unit 150 so that the lengths of the casing 110 and the rotating shaft 120 can be increased. The number of the second transfer units 140 disposed between the first transfer unit 130 and the third transfer unit 150 is increased to further increase the length of the casing unit 110 and the rotation axis unit 120 .

The conveyance unit 100 including the casing unit 110 and the rotation axis unit 120 includes a first conveyance unit 130 and a second conveyance unit 130 having respective casings and a rotation axis extending to a predetermined length, 140 and the third conveying unit 150. Each of the conveying units is detachably coupled to each other through a connection port formed at each end of the conveying unit. Therefore, the size of the fluidizing and reducing furnace 10 or the size of the casing unit 110 and the rotary shaft 120 can be easily adjusted.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is to be understood that various modifications and changes may be made without departing from the scope of the appended claims.

1 ... screw conveyor device 10 ... fluidized-
20 ... minute ore 100 ... transfer part
110 ... casing part 120 ... rotating shaft part
200 ... driver 300 ... leg
410 ... cover part 420 ... guide plate
430 ... cooling pipe

Claims (7)

A screw conveyor device for a fluidized-bed reduction process of a FINEX factory used for discharging the ore powder (20) in a fluidized-bed reactor (10) provided in a FINEX plant to the outside,
And is provided with a horizontally disposed tube shape and upwardly opened to extend along a length of the inlet port 111 for introducing the ore ore 20, And a first bearing 113 and a second bearing 114 mounted on both ends of the casing unit 110. The first bearing 113 and the second bearing 114 are supported at both ends of the casing unit 110, And a rotating shaft part (120) rotatably installed in the outer circumferential surface of the rotating shaft part (120) and having a screw (121) formed therein to rotate and feed the minute stone ore (20) to the outlet port (112) side;
A driving unit 200 disposed at one side of the casing unit 110 to provide driving force necessary for rotating the rotary shaft unit 120; And
And a leg 300 mounted on the casing 110 to support the casing 110 at a predetermined height and to which a moving wheel 310 is mounted at a lower end thereof,
And a plurality of through holes 411 for horizontally disposed to cover the open top of the casing unit 110 and for passing the minute ore 20 into the casing 110, (410) disposed at a downstream end of the FINEX plant.
delete The method according to claim 1,
The rotating shaft portion
A rotary pipe 122 having an outer circumferential surface formed with the screw 121,
One end of which is rotatably supported by a first bearing 113 mounted on one end of the casing unit 110 and the other end is fitted into an open end of the rotation pipe 122 and a driving force of the driving unit 200 A first connecting rod 123 for receiving and rotating the rotary pipe 122,
And a second connecting rod 124 which is rotatably supported on a second bearing 114 mounted on the other end of the casing unit 110 and the other end is fitted to the other end of the rotating pipe 122 And a screw conveyor device for a fluidized-bed reduction work of a FINEX factory.
The method of claim 3,
(100) having a plate shape extending upward to a predetermined length and being detachably mounted along an opening periphery of the casing part (110) so that a minute ore (20) projected toward the charging port (111) flows into the charging port And a guiding plate (420) for guiding the guiding plate (420).
5. The method of claim 4,
The legs 300
Is extended vertically and supports a load of the casing part (110), and is hinged to the casing part (110) and horizontally folded and operated in a direction toward one end of the casing part (110) Screw conveyor device for factory flow reduction furnace work.
6. The method of claim 5,
The casing unit 110 includes a casing 110 and a casing 110. The casing unit 110 includes a casing 110 and a casing 110. The casing 110 includes a casing 110, And a cooling pipe (430) for cooling the FINEX plant.
7. The method according to any one of claims 1 to 6,
The conveying unit 100 includes:
A first casing 131 having an inlet port 111 formed at an upper portion thereof and a first casing connection port 132 formed at an upper end thereof and a second bearing 114 mounted to the other end thereof, A screw 121 is formed on the outer circumferential surface of the first casing 131 and one end of the screw 121 is rotatably supported on the second bearing 114 and a first shaft connecting hole 134 is formed on the other end A first transfer unit 130 including a first rotation shaft 133,
And a second casing connection port 142 is detachably coupled to the first casing connection port 132. The other end of the second casing connection port 142 is connected to the third casing connection port 142, A second casing 141 having a connection port 143 formed therein and a screw 121 formed on an outer circumferential surface of the second casing 141 and extending in a length corresponding to the second casing 141, One or more second conveying units 140 including a second shaft coupling hole 145 formed at one end thereof and a second shaft 144 having a third shaft coupling hole 146 at the other end thereof,
And a fourth casing connection port 152 which is detachably coupled to the first casing connection port 132 or the third casing connection port 143 is formed at one end of the fourth casing connection port 152 A screw 121 is formed on the outer circumferential surface of the third casing 151 and the third casing 151 so as to have a length corresponding to that of the third casing 151. One end of the screw 121 is rotatably supported by the first bearing 113, And a third transfer unit 150 including a third rotation shaft 153 formed with a fourth shaft coupling port 154 which is detachably coupled to the first shaft coupling port 134 or the third shaft coupling port 146,
The casing unit 110 and the second conveying unit 140 may be installed in accordance with the state in which the first transfer unit 130, the second transfer unit 140 and the third transfer unit 150 are fastened together and the second transfer unit 140 is fastened. And the entire length of the rotary shaft part (120) is adjusted.

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