KR100402002B1 - Apparatus for picking molten pig iron sample in blast furnace main through - Google Patents

Abstract

The present invention relates to a molten iron sample collection device of the blast furnace, and its object is to collect the hot molten iron sample more stably without the manual work of the operator.

Therefore, the technical means for achieving the above object is the lowermost layer in the opening 24 formed in one side wall 26a of the hopper 26 inside the hopper 26 provided for forward and backward transport along the rail 22. The operation handle protruding to one side of the cartridge storage unit 20, the cartridge storage unit 20 is built in such a position, and the holder arm 30 installed to rotate on the support 32 installed to one side of the hopper 20 42 is integrally connected to one side of the rod 40a of the first cylinder 40 installed inside the holder arm 30, and the other side of the first cylinder 40 passes through the air pipe 44. The moving block 71 which moves forward and backward at a predetermined interval in the inside of the suction unit 50 to be installed and the holder 60 which is installed to be rotated as an adjustment spring 62 at one end of the holder arm 30. ) Is installed, the second cylinder 70 is installed, in front of the moving block (71) A suction bar 80 connected to the first cylinder 40 and the air hose 72 is installed, and a cartridge embedded in the hopper 20 at an end of the suction bar 80 outside the holder 60. It is characterized in that it is configured as a sample take-up portion 90 in which the cone 82 inserted into the (10) is formed.

Accordingly, the molten iron sample can be accurately and easily collected without a separate worker's manual work to prevent the safety accident of the operator, and the post-process can be easily carried out by a smooth molten iron sample analysis.

Description

Apparatus for picking molten pig iron sample in blast furnace main through}

The present invention relates to a molten iron sample collection device for the collection of inspection samples to continuously manage the state of the molten iron from the blast furnace, and more specifically, to collect the molten iron sample from the blast furnace extremely safely and easily without the operator's manual operation Of course, the present invention relates to a molten iron sample collection device of the blast furnace to allow the molten iron analysis work to be carried out constantly and easily by collecting the molten iron over a certain depth as a sample.

In general, molten pig iron from the blast furnace (molten pig iron) is collected and analyzed at regular intervals, so that it is possible to perform the post-process more precisely by using the data of the next process, in such a conventional molten iron sample collecting operation, As shown in Figure 1, in order to collect the molten iron (P) flowing in the large bath 110 under the cover 100, the operator has a hole formed on the cover 100, the sampling container 120 coupled to the rod ( After collecting the molten iron sample through 102, the molten iron is poured into the mold 130 prepared on one side, and when the collected molten iron P cools, it is separated from the mold 130 and analyzed in the analysis room. To do.

However, in the conventional molten iron sample collecting operation as described above, the molten iron that is considerably hot during the misoperation of the worker by collecting the molten iron (P) in the cover 100 directly by the worker using the collecting container 120 by hand. Thereby, the risk of a safety accident such as a worker burns, there is a concern, in particular, there is a problem that a safety accident of the worker due to the high temperature and high temperature gas generated during chartering.

In addition, as described above, by collecting the molten iron (P) of high heat by hand, it is easy to extract only the upper portion of the molten iron (P) flowing in the large bathway 110, the end of the molten iron (P) is easy to contain As the upper part was taken, there were many problems such as more accurate and uniform analysis of the molten iron sample, and eventually, accurate sample data could not be obtained, thus making it impossible to precisely proceed with the post process.

The present invention has been made in order to improve the various problems as described above, the object of the object is that the safety of the operator due to the hot heat of the molten iron by using the cartridge from the hot water to take out the hot molten iron without manual labor In order to prevent accidents in advance, it is to provide a molten iron sample collection device.

In addition, another object of the present invention is to perform the molten metal sample analysis work for the data of the post process smoothly and precisely by collecting the molten iron sample continuously and safely and collecting the molten iron sample at a certain depth of the molten iron flowing in the bath. The present invention is to provide a blast furnace sample collection device to improve the overall manufacturing productivity of the blast furnace.

1 is a schematic diagram showing a molten iron sample collection operation of the conventional blast furnace large hot water

Figure 2 (a) and (b) is a schematic plan view and front view showing the installation state of the molten iron sample collection device of blast furnace large hot water according to the present invention

Figure 3 is a perspective view showing a molten iron sample collection device of blast furnace Daetangdo according to the present invention

Figure 4 (a) and (b) is a plan view and a front view showing the molten iron sample collection device of the present invention

5 is a block diagram showing the main portion of the present invention molten iron sample collection device, showing the suction portion

Figure 6 is a front configuration diagram showing the holder portion of the present invention molten iron sample collection device

Figure 7 (a)-(h) is a schematic perspective view showing the operation sequence of the present invention molten iron sample collection device

Explanation of symbols on the main parts of the drawings

1 .... Charterer 10 ... Cartridge

12 .... Corrugated cardboard container 14 .... Air intake

16 .... Protective cover 20 .... Cartridge storage compartment

22 .... rail 24 .... opening

26 .... Hopper 28 .... Forward and backward cylinder

30 .... Holder Arm 32 .... Support

34 .... drive motor 40, 70 .... 1st and 2nd cylinder

42 .... Operation handle 44 .... Air line

46,74,62 .... spring and adjustment spring 48 .... retaining pin

50 .... suction 60 .... holder

64 .... support bar 71 .... moving block

72 .... Air Hose 74 .... Spring

80 .... suction bar 82 .... cone

As a technical means for achieving the above object, the present invention, a cartridge in which a plurality of cartridges are stored therein to one side of the large waterway, and the hopper having an opening formed on one side wall to discharge the cartridge of the lowermost layer is movable. Storage,

On one side of the hopper, an operation handle which is integrally moved by a moving hopper is protrudingly installed on one side wall of the holder arm installed to rotate on the support object, and the operation handle is rod end of the first cylinder installed inside the holder arm. A suction part connected to the other end of the first cylinder and connected to an air pipe;

A second cylinder provided with a moving block connected to the front and rear movements is installed inside the holder installed to be rotatably connected to one end of the holder arm, and a suction connected to the air pipe of the first cylinder as an air hose at the front of the moving block. The bar is connected to the outside of the holder, and the end of the suction bar is provided by the blast furnace molten sample collection device configured to include a sample collecting unit is formed integrally with the cone fixed to the cartridge by the hopper movement.

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

2 (a) and (b) is a schematic plan view and a front view showing the installation state of the molten iron sample automatic sampling device of the blast furnace large hot water according to the present invention, Figure 3 is the automatic sample of molten iron sample of the blast furnace large hot water according to the present invention Figure 4 is a perspective view of the device, Figure 4 (a) and (b) is a plan view and a front view showing the molten iron sample automatic collection device of the present invention, Figure 5 is an automatic charter sample collection device of the present invention, Fig. 6 is a front configuration diagram showing a holder portion of the inventors' automatic molten iron sample collection device, and Fig. 7 (a)-(h) is an automatic molten iron sample collection device of the present invention. As a schematic perspective view showing the operation procedure of the present invention, the automatic molten metal sample collection apparatus 1 of the present invention is configured as a cartridge storage unit 20, a suction unit 50, and a sample collection unit 90.

The cartridge storage unit 20 which directly precipitates on the molten iron P flowing in the large hot waterway 2 and collects a molten iron sample therein is provided with a rail 22 provided on one side of the cover 3 of the large hot waterway 2. A plurality of cartridges 10 are stored in the hopper 26 installed in the forward and backward directions along one side thereof, and one cartridge located at the lowermost layer by an inner partition 26a on one side wall of the hopper 26. An opening 24 is formed to discharge 10.

In addition, between the rails 22 below the hopper 26, a front and rear transfer cylinder 28, one end of which is fixed to the bottom, is installed, and the rod 28a is fixed block 28b below the hopper 26. The hopper 26 is coupled to the hopper 26, and is installed to be moved forward and backward along the rail 22 by the transfer cylinder 28, and the cartridge 10 forms a cylindrical container with corrugated cardboard 12 and at one end therein. An air inlet 14 is formed and a sample mold 18 is formed which protrudes to the outside of the container 12 to the other side and is sealed as a protective cover 16, and the other side is a cone 82 of the suction bar 80. The inlet 10a to be inserted is formed.

The suction unit 50 for generating a suction force for sampling the cartridge 10, the holder arm 30 of the holder arm 30 is installed so as to rotate on the support 32 vertically installed to one side of the large-scale water supply cover 3 The operation handle 42 protruding toward one side of the central portion is integrally connected to one side of the rod 40a of the first cylinder 40 installed inside the holder arm 30, and on the other side of the first cylinder 40. An air pipe 44 passing through the inside is installed.

In addition, the holder arm 30 is coupled to the support shaft 36 installed in connection with the drive motor 34 installed to one side of the support 32 so that the rotation operation, the rod 40a of the first cylinder 40 Is installed elastically connected to the spring 46 installed therein, and the fixing jaw (40b) detachable to the rod (40a) is fixed to the fixed pin 48 to move as the electromagnetic side 48a installed on the front end of the cylinder (40) ) Is integrally formed, and the rod 40a of the first cylinder 40 is installed to be transported back and forth by elasticity of the inner spring 46 according to the detachable state of the operation handle 42 and the fixing pin 48. The holder arm 30 is elastically connected to the adjustment spring 62 to facilitate the rotational movement of the holder 60 is connected to the support bar 64 is installed to move inward.

Sampling unit 90 to collect the molten iron sample in conjunction with the suction unit 50, the front and rear of the holder 60, which is installed to be connected to rotate on one side end of the holder arm (30) forward and backward a predetermined interval A second cylinder 70 is installed to which the movable moving block 71 is connected, and the suction bar 80 is connected to the first cylinder 40 and the air hose 72 in front of the movable block 71. ) And a cone 82 inserted into the cartridge 10 embedded in the hopper 20 is formed at the end of the suction bar 80 to the outside of the holder 60.

On the other hand, the holder 60 is fixed to one end of the holder arm 30 to rotate as a support shaft 36, the second cylinder 70 inside the contraction upon suction of the first cylinder 40 Spring 74 is elastically connected and the fixing jaw (60a) formed in the holder 60 on the lower side of the moving block 71 is connected to the rod 70a of the second cylinder (70) A fixed pin 76 is installed to be fixed to the moving block 71 is made of a configuration to move backward to a predetermined width.

Referring to the operation and effects of the present invention made of the above configuration as follows.

As shown in Figure 3 to Figure 7, the molten iron sample collected for the analysis work to provide the data of the post-process by collecting the molten iron (P) flowing in the blast furnace (2) extremely safe and smooth The blast furnace sample automatic sampling device (1) of the blast furnace so that it can be carried out as follows.

First, as shown in FIGS. 2 and 3, the cartridge 10 is inserted through the upper cover hole 4 of the cover 3 through which the molten iron P flows to settle in the molten iron P to a certain depth. After that, a certain amount of the molten iron sample is collected by suction in the cartridge 10. As shown in the detail of the cartridge 10 of FIG. 3, when the cartridge 10 constituting the container 12 is compressed into the compressed cardboard, A portion of the molten iron is introduced into the sample mold 18 in the container 12 while the protective cover 16 of the tip portion is melted. In this case, the injection of the molten iron as described above will be described in detail below. Air is sucked in through the cone 82 engaging the cartridge 10 as the air inlet 14 formed in the mold 18 is performed.

On the other hand, as shown in Figure 3, the cartridge 10 is loaded in the hopper 26 that moves along the rail 22 installed on both sides of the floor of the workplace, the partition wall portion 26a installed in the hopper 26 Are installed in an inclined state so that only one cartridge 10 in the hopper 26 is positioned at the lowermost layer. As a result, one cartridge 10 is always provided in the opening 24 formed in one side wall of the hopper 26. Only wait.

At this time, one end is fixed to the bottom of the hopper 26 and the other end is installed before and after the transfer cylinder 28 is coupled to the rod 28a end to the fixed block 28b coupled to the lower side of the hopper 26 The hopper 26 is integrally conveyed in the forward and backward directions according to the forward and backward operations of the cylinder 28.

In addition, as shown in FIGS. 3 and 7, a support plate 32 having a square plate shape is vertically installed at one side of the hopper 26, and a drive motor 34 horizontally horizontally disposed on one side of the upper support 32. The holder arm 30 of the rectangular bar shape is coupled to the support shaft 36 installed in connection with the support shaft 36. As a result, when the driving motor 34 operates, the holder arm 30 is rotated at an angle, and the holder 60 is connected. The lower side is brought into contact with the support bar 64 elastically connected as an adjustment spring 62 installed on the holder arm 30 below.

Therefore, as shown in FIGS. 3 and 7, when the holder arm 30 first rotates as the drive motor 34, one holder 60 of the holder arm 30 moves the support shaft 36 as the axis. It is pushed as the support bar 64 of the adjustment spring 62 so that its tip is always directed in the vertical direction.

On the other hand, as shown in Figure 3 to 5, the holder arm 30, the operation handle 42 is installed to protrude through the long groove formed in the holder arm 30, the hopper 26 is moved while the When the operation handle 42 is pushed backward, the rod 40a of the first cylinder 40 connected to the operation handle 42 and the holder arm 30 moves backward.

That is, as shown in FIG. 5, the spring 46 elastically installed in the cylinder 40 at the end of the rod 40a is compressed, and the rod 40a of the cylinder 40 is operated by the operation handle 42. ) Is completed, the rod 40a is fixed while the fixing pin 48 installed at the end of the cylinder 40 is fitted to the fixing jaw 40b formed on the rod 40a. 40b) is formed at a right angle to one side, and thus, the cylinder 40 is maintained in the contracted state of the spring 46, and this contracted spring 46 will be described in detail later, but the fixing pin 48 Upon departure, the rod 40a is momentarily advanced to generate suction force.

6 and 7, the cone 82 at the tip of the holder 60, which is initially in a horizontal state when the hopper 26 moves to the operation of the cylinder, opens the opening of the hopper 26. One cartridge 10, which is held at the lowermost layer in the hopper 26 through 24, is fitted into the cone 82 and is fixed. On the contrary, when the hopper 26 is advanced in the opposite direction, the cartridge is inserted into the cone 82. 10 is discharged through the hopper opening 24.

At this time, as shown in Figure 6, the cone 82 is formed in the tip portion of the suction bar 80, the cone 82 in the state in which the second cylinder 70, which is connected to the holder 60 to the rear, the forward operation operation When the operation of inserting the cartridge 10 is completed by a sensor (not shown) installed in the holder), the holder arm 30 and the holder 60 rotate as the driving motor 34 and the support bar 64, respectively. The cone 82 of 60 is vertically settled to a certain depth in the molten iron P through the hole 4 of the cover 3, as shown in FIGS. 2 and 7. As described above, the molten metal sample is injected into the cartridge 10.

5 and 6, when the above-described first cylinder 40 is in a compressed state and the electromagnetic side 48a installed in front of the first cylinder 40 operates, the fixing pin 48 The cylinder 40 moves forward as the contracted spring 46 is released and the holder 60 is released as an air hose 44 and an air hose 72 installed on the other side of the cylinder 40. The internal air of the suction bar (80) installed in the suction is sucked, which sucks the internal air of the cartridge (10) inserted into the tip cone (82) of the suction bar (80) and finally collects a certain amount of molten iron sample in the cartridge (10). To do so.

Therefore, as shown in FIG. 6, when the molten iron sample flows into the cartridge 10, air pressure is injected into the second cylinder 70, and when the rod 70a of the cylinder is moved backward, the rod 70a ends. The fixing pin 76 of the installed moving block 71 is lifted up first, and then the moving block 71 is reversed. Finally, the suction bar 80 is reversed so that the cartridge 10 inserted into the cone 82 is inserted into the holder ( 60) is forcibly released from the end portion, as shown in FIG. 7, is placed on the holder arm 30, so that the analysis work of the molten sample in the sample mold 18 in the cartridge 10 is performed. .

That is, in detail the operation sequence of the present invention molten iron sample collecting device 1 in Figure 7a-7b, when the hopper 26 is moved in the initial state (Fig. 7a) and the cartridge 10 is fixed to the cone 82 (FIG. 7B), while the hopper 26 is moved and the holder arm 30 and the holder 60 are sequentially rotated (FIGS. 7C and 7D), the cartridge 10 passes through the cover 3 hole 4. After settling, the molten iron sample is introduced into the cartridge 10 by the suction operation described above (Figs. 7E and 7F), and the holder arm 30 and the holder 60 are operated again to return to the initial position and the cone 82 Cartridge 10 is forcibly released. (FIGS. 7F, 7H)

At this time, as shown in Figure 3, the rear side of the holder arm 30, the limit switch to operate as an operating bar 94 installed on the holder 60 in accordance with the holder arm 30 of the holder 60 seated state 92 is provided, and accordingly the electromagnetic side 48a for disengaging the fixing pin 48 from the cylinder rod 40a to enable the suction operation of the first cylinder 40 according to the position of the holder 60 is described above. It acts as a limit switch 92.

On the other hand, although not shown in the figure, a limit switch is provided in the front and rear to adjust the movement of the hopper 26, and also moves backward as the hopper 26 and advances as the spring 46 of the first cylinder 40. A limit switch is installed at the uppermost end of the operation handle 42, a detection sensor is installed at the cone 82 of the suction bar 80 to which the cartridge 10 is fixed, and is always provided inside the holder 60. Limit switches for adjusting the movement of the two cylinders 70 are respectively provided. The sensor and the limit switches of the apparatus 1 are not described in the drawing, but a pneumatic unit for operating each drive motor and cylinder on a normal operation panel and The connection is controlled together.

Accordingly, by allowing the hot molten iron sample to be automatically collected without the manual work of the operator, the analysis of the molten iron sample is smooth, as well as the subsequent process is smoothly progressed.

As described above, according to the present invention of the blast furnace sample collection device of the blast furnace, it is possible to prevent the safety accident of the operator due to the hot heat of the molten iron by performing the hot molten iron without using a manual labor by using a cartridge from the large hot water. There is an advantage to this.

In addition, the molten iron sample can be continuously and automatically carried out to facilitate the analysis work for the manufacturing data of the post-process, as well as to improve the manufacturing productivity of the entire blast furnace in particular.

While the invention has been shown and described with respect to specific embodiments thereof, it will be appreciated that various changes and modifications can be made in the art without departing from the spirit or scope of the invention as set forth in the following claims. Those of ordinary skill will want to know easily.

Claims (4)

In the blast furnace sample collection operation of blast furnace large hot water road (2) A cartridge in which a plurality of cartridges 10 are stored inside to one side of the large bath 2, and a hopper 26 having an opening 24 formed on one side wall to discharge the cartridge 10 of the lowermost layer is movable. Storage unit 20, On one side of the holder arm 30 installed to rotate on the support 32 to one side of the hopper 20, an operation handle 42 integrally moved by the moving hopper 20 is protrudingly installed, and The operation handle 42 is connected to an end portion of the rod 40a of the first cylinder 40 installed inside the holder arm 30, and an air pipe 44 is connected to the other end of the first cylinder 40. Section 50, On the inner side of the holder (60) rotatably connected to one end of the holder arm (30), a second cylinder (70) is provided to which the moving block (71) is connected to move forward and backward, and the front of the moving block (71). The suction pipe 80 is connected to the air pipe 44 and the air hose 72 of the first cylinder 40 is installed, the hopper at the end of the suction bar 80 to the outside of the holder 80 (10) blast furnace molten sample collection device characterized in that it comprises a sample collection unit 90 is formed integrally with the cone (82) to which the cartridge 10 is fixed by movement The rail (22) of claim 1, wherein the hopper (26) has one end fixed to the floor and the other end of the rod (28a) is connected to the fixed block (28b) of the hopper 26 by the front and rear transfer cylinder (28). It is installed so as to move back and forth along the cartridge, the cartridge 10 stored in the hopper 26 constitutes a container with a corrugated cardboard 12, and an air inlet 14 is formed at one end therein, and to the outside of the container 12 to the other side. The sample mold 18 which protrudes and is closed as the protective cover 16 is built in, and the other side has an inlet 10a into which the cone 82 of the suction bar 80 is inserted. Sample Collection Device. According to claim 1, wherein the holder arm 30 is rotatably coupled to the support shaft 36 is connected to the drive motor 34 installed to the upper side of the support 32 installed vertically to one side of the hopper (26) The rod 40a of the first cylinder 40 with the spring 46 elastically connected to the suction operation therein is fastened with a fixing pin 48 that moves as an electromagnetic valve 48a installed at the tip of the cylinder 40. The fixed jaw 40b which is supported is integrally formed, and the other end of the first cylinder 40 has air as the first cylinder 40 which is advanced to the elasticity of the spring 46 when the rod is removed from the fixing pin 48. Intake air pipe 44 is installed, the support bar 64 is elastically connected adjustment spring 62 is installed so that the position of the holder 60 to a certain time, the molten iron sample collection of the blast furnace Device. According to claim 1, wherein the holder 60 is connected to one end of the holder arm 30 as the support shaft 36 so as to be idling, the first cylinder 40 in the second cylinder 70 therein Spring 74, which is contracted upon inhalation, is elastically connected and is formed in the holder 60 at the lower side of the movable block 71 to which the rod 70a of the second cylinder 70 is connected. Fixing pin (76) is fixed to the fixed jaw (60a) is installed is the moving block 71 is a molten iron sample collection device of the blast furnace large hot water, characterized in that configured to move backward to a predetermined width.