KR101670175B1 - Material storage tower - Google Patents

Material storage tower Download PDF

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Publication number
KR101670175B1
KR101670175B1 KR1020150086686A KR20150086686A KR101670175B1 KR 101670175 B1 KR101670175 B1 KR 101670175B1 KR 1020150086686 A KR1020150086686 A KR 1020150086686A KR 20150086686 A KR20150086686 A KR 20150086686A KR 101670175 B1 KR101670175 B1 KR 101670175B1
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KR
South Korea
Prior art keywords
gate
weight
frame
empty
gate frame
Prior art date
Application number
KR1020150086686A
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Korean (ko)
Inventor
김종국
전호순
Original Assignee
현대제철 주식회사
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Priority to KR1020150086686A priority Critical patent/KR101670175B1/en
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Publication of KR101670175B1 publication Critical patent/KR101670175B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/34—Devices for discharging articles or materials from conveyor 
    • B65G47/44—Arrangements or applications of hoppers or chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/26—Hoppers, i.e. containers having funnel-shaped discharge sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G11/00—Chutes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

An invention for a raw material storage tower is disclosed. The raw material storage tower of the present invention comprises: a chute having a discharge port for discharging a raw material; An empty gate installed at the discharge port to open and close the outlet of the chute; A gate frame provided with an empty gate for opening and closing the empty gate as it is moved by the charging and discharging device; And a weight device connected to the gate frame and applying a load to the gate frame to move the gate frame in a direction in which the empty gate closes the discharge port.

Figure R1020150086686

Description

{MATERIAL STORAGE TOWER}

Field of the Invention [0002] The present invention relates to a raw material storage tower, and more particularly, to a raw material storage tower in which an empty gate can close a chute by a load of a weight device.

Generally, raw materials such as coal are stored in raw material storage towers in steel mills. A hopper is installed in the raw material storage tower to store coal. The hopper is provided with a chute for discharging coal. The charge car is moved to the lower part of the chute, and the charge car opens the chute and charges the charge to the charge car.

Background Art [0002] The background art of the present invention is disclosed in Korean Patent Laid-Open Publication No. 2014-0040993 (published on Apr. 04, 04, entitled "Call Tower").

According to one embodiment of the present invention, there is provided a raw material storage tower in which empty gate can close the chute by the load of the weight device.

The raw material storage tower according to the present invention comprises: a chute having a discharge port for discharging a raw material; An empty gate installed at the discharge port to open and close the discharge port of the chute; A gate frame for opening and closing the empty gate as the empty gate is installed and moved by the charging and discharging device; And a weight device connected to the gate frame for applying a load to the gate frame to move the gate frame in a direction in which the empty gate closes the discharge port.

The weight device comprising: a rope connected to the gate frame; A pulley on which the rope is wound; And a weight portion connected to the rope and acting as a load to pull the gate frame.

A plurality of the ropes are provided, a plurality of the ropes and the gate frame are connected by a turnbuckle, and the horizontal state of the weight device can be corrected by adjusting the length of the turnbuckle.

The weight portion including a weight frame connected to the rope; And a loading box which is installed inside the weight frame and on which the weight member is loaded.

The weight portion may further include a guide frame installed to be parallel to a moving direction of the weight frame to guide the weight frame.

The load of the weight device may vary depending on the number of the weight members loaded in the loading box.

A plurality of the empty gates may be provided in the gate frame.

The raw material storage tower may further include a movement sensing unit installed to sense movement of the weight device.

According to the present invention, since the gate frame and the empty gate are moved by the load of the weight device, the empty gate can close the discharge port of the chute by the load of the weight device. Therefore, it is possible to prevent the raw material stored in the hopper from falling to the bottom of the raw material storage tower.

Further, according to the present invention, since the guide frame is provided so as to guide the weight frame, the weight frame can be prevented from being shaken when the weight frame is moved.

Further, according to the present invention, since the plurality of ropes and the gate frame are connected by the turnbuckle, the horizontal state of the weight device can be corrected by adjusting the length of the turnbuckle. Therefore, it is possible to prevent the weight device from traveling in an inclined state and concentrating the load on a part of the rope.

1 is a view illustrating a raw material storage tower according to an embodiment of the present invention.
FIG. 2 is a view showing a weight device in a raw material storage tower according to an embodiment of the present invention.
3 is a front view showing a weight portion of a weight device in a raw material storage tower according to an embodiment of the present invention.
4 is a view illustrating a state in which a weight device is lifted in a raw material storage tower according to an embodiment of the present invention.
5 is a front view showing a state in which a weight device is lifted in a raw material storage tower according to an embodiment of the present invention.

Hereinafter, an embodiment of a raw material storage tower according to the present invention will be described with reference to the accompanying drawings. In the course of describing the raw material storage tower, the thicknesses of the lines and the sizes of the constituent elements shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a view illustrating a raw material storage tower according to an embodiment of the present invention. FIG. 2 is a view illustrating a weight device in a raw material storage tower according to an embodiment of the present invention. Fig. 2 is a front view showing a weight portion of a weight device in a raw material storage tower according to an embodiment of the present invention.

1 to 3, a raw material storage tower according to an embodiment of the present invention includes a chute 110, an empty gate 120, a gate frame 130, and a weight device 140.

A hopper (not shown) is installed above the chute 110 to store the raw material. The hopper is fed with a raw material by a conveyor (not shown). A discharge port 113 is formed in the lower portion of the chute 110 to discharge the raw material. A plurality of chutes 110 are formed.

The empty gate 120 is installed in the discharge port 113 of the chute 110 to open and close the discharge port 113 of the chute 110. When the empty gate 120 opens the discharge port 113, the raw material of the hopper is discharged to the outside of the hopper through the discharge port 113 of the chute 110. The empty gate 120 is formed in a plate shape to open and close the discharge port 113 of the chute 110.

An empty gate 120 is provided in the gate frame 130. As the gate frame 130 is moved by the opening and closing device 20 of the charge car 10, the empty gate 120 causes the chute 110 to open and close. The gate frame 130 is moved in the horizontal direction. A plurality of empty gates 120 are provided in the gate frame 130. Accordingly, the plurality of empty gates 120 are simultaneously moved by the gate frame 130 to open or close the discharge ports 113 of the plurality of chutes 110 at the same time. Since the plurality of chutes 110 are opened at the same time, the raw material can be charged into the loading car 10 more quickly.

The opening and closing device 20 of the charging car 10 includes a support base 21 provided on the upper side of the charging car 10, a piston 23 provided on the upper side of the support base 21, And a pressing member 25 connected to press the opening / closing hook 133 of the gate frame 130. The opening and closing hook 133 of the gate frame 130 protrudes to the lower side of the gate frame 130 and is caught by the pressing member 25. [ When the piston 23 moves the pressing member 25 to one side (the right side in FIG. 1), the pressing member 25 moves the opening / closing hook 133 to one side and the empty gate 120 opens the chute 110 . When the piston 23 moves the pressing member 25 to the other side (the left side in FIG. 1), the pressing member 25 moves the opening / closing hook 133 to the other side so that the empty gate 120 closes the chute 110 .

The weight device 140 is connected to the gate frame 130. The weight device 140 applies a load to the gate frame 130 to move the empty gate 120 in the direction of closing the discharge port 113 of the chute 110 (left side in FIG. The weight device 140 moves the gate frame 130 and the empty gate 120 by the load so that the opening and closing device 20 of the charge car 10 does not close the discharge port 113 of the chute 110 The empty gate 120 can close the discharge port 113 of the chute 110 by the load of the weight even if the charging car 10 moves in the chute 110. [ Therefore, the raw material stored in the hopper can be prevented from being discharged to the bottom of the raw material storage tower, and the operation of the subsequent process can be prevented from being interrupted because the charge car 10 can not be moved to the lower side of the raw material storage tower.

The weight device 140 includes a rope 141 connected to the gate frame 130, a pulley 142 around which the rope 141 is wound, a load connected to the rope 141 to pull the gate frame 130 And a weight portion 143 acting as a weight portion. The rope 141 is installed to bend in a substantially "a" form relative to the pulley 142. A gate frame 130 is connected to one side of the rope 141 and a weight 143 is connected to the other side of the rope 141. The pulley 142 is fixed to the wall of the raw material storage tower by the support member 142a. The weight portion 143 is mounted on the rope 141 in a suspended state and is moved up and down by the rope 141. The vertical load of the weight portion 143 is changed to the horizontal load in the section between the pulley 142 and the gate frame 130 since the pulley 142 is provided to bend the rope 141. [ Therefore, since the gate frame 130 is moved in the horizontal direction, the plurality of empty gates 120 can simultaneously open the plurality of chutes 110. [

The weight portion 143 includes a weight frame 144 connected to the rope 141 and a loading box 145 provided inside the weight frame 144 and on which the weight member 146 is loaded. Since the weight member 146 is loaded on the loading box 145, the load of the weighting device 140 can be varied according to the number of loading of the weighting member 146. [ Therefore, the number of the weight members 146 to be stacked can be adjusted in accordance with the frictional force of the plurality of empty gates 120. At this time, the number of the weight members 146 to be stacked is determined so that the load of the weight device 140 becomes larger than the frictional force of the gate frame 130.

The weight portion 143 further includes a guide frame 147 which is disposed in parallel to the moving direction of the weight frame 144 so as to guide the weight frame 144. [ The guide frame 147 is vertically installed. Since the guide frame 147 is provided so as to guide the weight frame 144, it is possible to prevent the weight frame 144 from being shaken when the weight frame 144 is moved.

A plurality of ropes 141 are provided, and a plurality of ropes 141 and gate frames 130 are connected by a turnbuckle 149. The horizontal state of the weight device 140 can be corrected by adjusting the length of the turnbuckles 149. [ Therefore, since the weight device 140 is operated in an inclined state, it is possible to prevent a load from concentrating on a part of the ropes 141, thereby preventing some of the ropes 141 from being damaged.

The turnbuckle 149 includes a body portion 149a on both sides of which a threaded portion 149b is formed and a bolt portion 149c screwed onto the threaded portion 149b. One side bolt portion 149c is connected to the rope 141 and the other side bolt portion 149c is connected to the weight frame 144. [ The length of the turnbuckle 149 can be adjusted since the bolt portion 149c is moved from the body portion 149a by rotating the bolt portion 149c.

The raw material storage tower further includes a movement sensing unit 150 installed to sense the movement of the weighting device 140. The movement sensing unit 150 may be disposed at the lifting position of the weighting device 140 to sense the weighting device 140 when the weighting device 140 is lifted. The movement sensing unit 150 may be disposed at a lowered position of the weighting device 140 to sense the weighting device 140 when the weighting device 140 is lowered. The movement detecting unit 150 is electrically connected to the controller 160. The control unit 160 can determine whether the weight device 140 is lifted by the signal received from the movement sensing unit 150 so that the empty gate 120 opens or closes the discharge port 113 of the chute 110 Or not.

The operation of the raw material storage tower according to one embodiment of the present invention will be described.

FIG. 4 is a view illustrating a state in which a weight device is lifted in a raw material storage tower according to an embodiment of the present invention. FIG. 5 is a view illustrating a state in which a weight device is lifted in a raw material storage tower according to an embodiment of the present invention. Fig.

Referring to Figs. 4 and 5, the charge difference 10 is moved to the lower side of the raw material storage tower. When the entry port of the loading car 10 corresponds to the chute 110, the loading car 10 is stopped.

The opening / closing device 20 of the charging vehicle 10 moves the gate frame 130 to one side. As the gate frame 130 is moved to one side, the empty gate 120 opens the chute 110. At this time, when the piston 23 moves the pressing member 25 to one side (the right side in FIG. 1), the pressing member 25 moves the opening and closing hook 133 to one side. As the opening / closing hook 33 is moved to one side, the empty gate 120 opens the chute 110.

When the gate frame 130 is moved to one side, the gate frame 130 pulls the rope 141 to one side, so that the weight device 140 is raised by the movement distance of the gate frame 130. At this time, since the guide frame 147 guides both sides of the weight frame 144, it is possible to prevent the guide frame 147 from being shaken when the guide frame 147 is lifted.

When the loading of the raw material into the charging car 10 is completed, the opening and closing device 20 of the charging car 10 moves the gate frame 130 to the other side. As the gate frame 130 is moved to the other side, the empty gate 120 closes the chute 110 (see FIGS. 1 and 2). The charging car 10 is moved after the chute 110 is closed. At this time, since the load of the weight device 140 acts on the gate frame 130 to move the gate frame 130 to the other side, the opening / closing device 20 of the charge car 10 acts on the gate frame 130 The driving force can be reduced.

On the other hand, when the opening / closing device 20 of the charging device 10 causes a malfunction, the opening / closing device 20 can move the empty gate 120 to leave the raw material storage tower without closing the chute 110 . In addition, when an accident or safety hazard occurs in a steel making facility, the loading car 10 can be moved from the raw material storage tower to another place without closing the chute 110.

When the charge car 10 leaves the raw material storage tower without closing the chute 110, the weight device 140 pulls the gate frame 130 to the other side by a load. Therefore, as the weight device 140 is lowered, the gate frame 130 is moved to the other side, so that the empty gate 120 closes the discharge port 113 of the chute 110. The chute 110 is closed by the load of the weight device 140 so that the raw material of the hopper can be prevented from being discharged to the lower side of the raw material storage tower through the chute 110. [

As the weight device 140 moves the gate frame 130 and the empty gate 120 by the load as described above, the vacant gate 120 is moved by the load of the weight device 140 to the discharge port 113 can be closed. Therefore, it is possible to prevent the raw material stored in the hopper from falling to the bottom of the raw material storage tower. In addition, it is possible to prevent the follow-up process from being interrupted because the charge car 10 can not be moved to the lower side of the raw material storage tower.

Further, since the guide frame 147 is provided so as to guide the weight frame 144, it is possible to prevent the weight frame 144 from being shaken when the weight frame 144 is moved.

Since the plurality of ropes 141 and the gate frame 130 are connected by the turnbuckle 149, the horizontal state of the weight device 140 can be corrected by adjusting the length of the turnbuckle 149. Therefore, the weight device 140 can be operated in a tilted state to prevent the load from concentrating on some of the ropes 141, thereby preventing some of the ropes 141 from being damaged.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand.

Accordingly, the true scope of protection of the present invention should be defined by the claims.

10: charging car 20: opening / closing device
21: support 23: piston
25: pressing member 110: chute
113: outlet 120: empty gate
130: gate frame 133: opening / closing hook
140: weight device 141: rope
142: pulley 142a: support member
143: weight part 144: weight frame
145: load box 146: weight member
147: Guide frame 149: Turnbuckle
149a: Body part 149b:
149c: bolt part 150: movement detecting part
160:

Claims (8)

A chute having a discharge port for discharging the raw material;
An empty gate installed at the discharge port to open and close the discharge port of the chute;
A gate frame for opening and closing the empty gate as the empty gate is installed and moved by the charging and discharging device; And
And a weighting device coupled to the gate frame for applying a load to the gate frame to move the gate frame in a direction that the empty gate closes the outlet,
Wherein the gate frame is provided with a plurality of the empty gates,
Wherein the gate frame is installed to be moved in a horizontal direction,
And the plurality of empty gates are moved as the gate frame is moved to simultaneously open or close the discharge ports of the plurality of suits.
The method according to claim 1,
The weighting device includes:
A rope connected to the gate frame;
A pulley on which the rope is wound; And
And a weight portion connected to the rope and acting as a load to pull the gate frame.
3. The method of claim 2,
A plurality of the ropes are provided,
Wherein the plurality of ropes and the gate frame are connected by a turnbuckle,
And the horizontal state of the weight device is corrected by adjusting the length of the turnbuckle.
3. The method of claim 2,
The weight portion may include:
A weight frame connected to the rope; And
And a loading box which is installed inside the weight frame and on which the weight member is loaded.
5. The method of claim 4,
Wherein the weight portion further comprises a guide frame installed parallel to a moving direction of the weight frame so as to guide the weight frame.
5. The method of claim 4,
And the load of the weight device varies depending on the number of the weight members loaded on the loading box.
delete The method according to claim 1,
And a movement sensing unit installed to sense movement of the weight device.
KR1020150086686A 2015-06-18 2015-06-18 Material storage tower KR101670175B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03297781A (en) * 1990-04-17 1991-12-27 Mitsubishi Electric Corp Balancing rope mounting device for elevator
JPH10235229A (en) * 1997-02-26 1998-09-08 Mitsubishi Kakoki Kaisha Ltd Discharge chute device
KR20060034740A (en) * 2004-10-19 2006-04-25 엠엔테크(주) Discharge apparatus for selection system of recycling goods
JP2008280101A (en) * 2007-05-08 2008-11-20 Mitsubishi Electric Building Techno Service Co Ltd Device and method of managing and measuring clearance between elevator counterweight and governor rope stretching sheave

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03297781A (en) * 1990-04-17 1991-12-27 Mitsubishi Electric Corp Balancing rope mounting device for elevator
JPH10235229A (en) * 1997-02-26 1998-09-08 Mitsubishi Kakoki Kaisha Ltd Discharge chute device
KR20060034740A (en) * 2004-10-19 2006-04-25 엠엔테크(주) Discharge apparatus for selection system of recycling goods
JP2008280101A (en) * 2007-05-08 2008-11-20 Mitsubishi Electric Building Techno Service Co Ltd Device and method of managing and measuring clearance between elevator counterweight and governor rope stretching sheave

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