KR20040043004A - An apparatus for removing tar from coke oven - Google Patents

Abstract

PURPOSE: An apparatus for removing tar of coke oven is provided to perform coke operation more stably by completely removing tar generated after coke extracting operation, thereby preventing mounting and demounting defects of coke oven door. CONSTITUTION: In an apparatus for removing solid of tar(205) generated at a lower part of coke oven door(220) when performing coke extracting operation using transfer car(210) in coke oven operation, the apparatus(1) for removing tar of coke oven comprises a heating part(10) comprising a heating plate(5) mounted on an outer lower part of the coke oven door, and a heat exchange pipe(15) installed at a lower part of the heating plate, and to which heat is conducted from a heat exchanger mounted on coke oven chamber(202) to heat the heating plate so that tar(205) on the heating plate is heated; a scraping part comprising a crushing roller(40) mounted on a lower part of the transfer car so that the crushing roller is rotated through a link arm(37), and a scraper(42) installed on an upper part of the crushing roller to remove the tar by scraping downward the tar on the heating plate; and a driving part(60) comprising a plural hydraulic cylinders(65) mounted on the transfer car so that the crushing roller crushes and removes the tar by rotating the link ram, thereby closely adhering the crushing roller to the heating plate.

Description

Tar removing device of coke oven {AN APPARATUS FOR REMOVING TAR FROM COKE OVEN}

The present invention relates to a device for removing tar solids generated in the lower part of the coke oven door during the extrusion operation of the coke by the transfer car in the coke oven operation, more specifically, the tar is generated during coal distillation operation in the oven carbonization chamber The present invention relates to a tar removal apparatus of a coke oven for easily and efficiently removing the coagulation that flows to the outside when the door frame is detached and solidified under the door.

In general, the coke oven equipment for producing coke is, as shown in Figure 1, the transfer car 210 is located on one side of the coke oven 200 to move.

The coke oven 200 is injected into the coal blended therein, and after drying for a certain time, the transfer car 210 serves as an extrusion guide so that coke is discharged smoothly.

Such coke oven equipment is a tar 205 is generated inside the carbonization chamber 202 during the drying of coal, the tar 205 generated in this way is a coke oven door 220 formed on one side of the oven carbonization chamber 202 Sticking or flowing down to the close contact portion of the) is a phenomenon that interferes with the mounting, detachment of the door 220.

The coke oven door 220 is opened to discharge the coal from the carbonization chamber 202 when the carbonization operation is completed in the carbonization chamber 202, the transfer through the coke oven door 220 opened in this way Ram equipment (not shown) of the car 210 enters the carbonization chamber 202 and receives the completed coke through another opened coke oven door 220 on the opposite side of the open coke oven door 220. Push it out.

As such, it is very important that the coke oven door 220 is normally opened and closed. In the related art, as a means for solving the problem of fixing the coke oven door 220 by the tar 205, a jam cleaner 230 is provided. It is provided on one side of the transfer car 210.

The jamb cleaner 230 has a plurality of blades 232 for cleaning the frame of the coke oven door 220 opened at one side of the coke oven door 220, as shown in detail in the coke oven door 220. And a cylinder body 238, 239, a scraper 240, and the like, and the coke oven door 220 after extruding the coke by the transfer car 210. The tar 205 flowing down to the outer lower portion of the carbonization chamber 202 is removed using the scraper 240.

That is, the inclined surface 250 in which the tar 205 is fixed to the scraper 240 installed so that the hydraulic cylinders 238 and 239 provided in the cleaner body 235 are rotatable in the cleaner body 235. The tar 205 fixed to the inclined surface 250 by the scraper 240 is scraped off and removed.

However, a problem of the tar removal apparatus according to the prior art configured as described above is that the tar scraping by the simple scraper 240 does not effectively remove the tar 205 fixed to the bottom of the inclined surface 250. Since the tar 205 maintains a high temperature state when it flows out of the carbonization chamber 202, the tar 205 solidifies as it flows down to the floor, and thus the solidified state cannot be easily scraped off.

Therefore, if the scraper 240 is not completely removed, the remaining amount of tar 205 always remains on the bottom of the outer inclined surface 250 of the coke oven door 220. As described above, when the tar 205 remains, it becomes difficult to open and close the coke oven door 220 as described above, and as shown in b) of FIG. 2, the worker manually removes the remaining tar 205. Should be removed.

As a cause of the tar 205 not being completely removed as described above, the scraper 240 is not only integrated with the cleaner body 235 by the cylinder 238, but the cleaner body 235 is formed on the upper shaft. While the rotational motion by means of the scraper 240 is due to the linear movement with respect to the bottom of the inclined surface 250 to which the tar 205 is fixed, the scraper 240 does not completely scratch the floor is the cause.

In addition, the solidified tar 205 was not easily removed by the scraper 240 due to its coking force.

The present invention is to solve the conventional problems as described above, by detecting the tar generated on the bottom surface during the coke extrusion operation to achieve the effective removal of the tar to achieve a perfect cleaning (cleaning) of the bottom surface of the coke oven door The purpose of the present invention is to provide a tar removal device for the coke oven, which is improved to stabilize the operation by removing and mounting smoothly.

1 is an overall configuration diagram showing a coke oven and a transfer car according to the prior art;

2 is a structural diagram showing the tar removal method of the coke oven according to the prior art,

a) with a scraper; b) with a hand;

3 is a perspective view showing the overall configuration of the tar removal apparatus of the coke oven according to the present invention;

4 is an exploded view showing the structure of a heating unit provided in the tar removal apparatus of the coke oven according to the present invention;

5 is an exploded view showing the structure of the scraping portion provided in the tar removal apparatus of the coke oven according to the present invention;

6 is an operating state diagram showing a scraper standby state immediately before tar is scraped and removed by the tar removing device of the coke oven according to the present invention;

7 is an operational state diagram after the tar is scraped off by the tar removal apparatus of the coke oven according to the present invention.

<Description of the symbols for the main parts of the drawings>

5 ..... heating plate 10 ..... heating part

12 .... heat exchanger 15 ..... heat exchanger tube

20 ..... Load Cell 22 ..... Balance Spring

30 ..... Weight Controller 35 ..... Scrape

37 ..... Link Arm 40 ..... Shredding Roller

42 ..... scraper 45 ..... shredding roller guide plate

47 ..... Shock absorber 50 ..... Scraper retaining plate

53 ..... Vertical bolts 55 ..... Spring

60 ..... Drive section 65 ..... Hydraulic cylinder

70 ..... Hydraulic tank 72 ..... Hydraulic gauge

75 ..... control valve 200 ..... coke oven

202 .... carbonation chamber 205 ..... tar

210 .... Transfer Car 220 .... Coke Oven Door

230 .... Jamb Cleaner 232 .... Blade

235 .... Cleaner fuselage 238,239 ... cylinder

240 .... scraper 250 .... slope

In order to achieve the above object, the present invention, in the coke oven operation in the apparatus for removing the solids of the tar generated in the bottom of the coke oven door during the extrusion of the coke by the transfer car,

The heating plate is provided on the outer lower portion of the coke oven door, and the lower side of the heating plate is provided with a heat exchanger tube for conducting heat from the heat exchanger mounted in the carbonization chamber to warm the heating plate to heat the tar on the heating plate. part;

A scraper having a shredding roller rotatably mounted at a lower end of the transfer car through a link arm, and having a scraper provided at the top of the shredding roller to scrape and remove the tar on the heating plate downward; and

And a drive unit provided with a plurality of hydraulic cylinders mounted on the transfer car to rotate the link arm so that the shredding roller is in close contact with the heating plate to shred and remove the tar; and removes the fixed tar on the side of the coke oven door. By providing a tar removal device of the coke oven.

Hereinafter, a tar removal apparatus of a coke oven according to the present invention will be described in detail with reference to the accompanying drawings.

Tar removal apparatus 1 of the coke oven according to the present invention, as shown in FIGS. 3 and 4, the heating portion for raising the heating plate 5 so that the stuck tar 205 is not condensed on the inclined surface ( 10).

The heating part 10 has a heating plate 5 mounted on the outer lower portion of the coke oven door 220, and from the heat exchanger 12 mounted on the carbonization chamber 202 on the lower side of the heating plate 5; The heat is conducted to provide a heat exchange tube 15 for warming the heating plate 5 to heat the tar 205 on the heating plate 5.

That is, the heat exchanger 12 is installed near the heat storage chamber in the lower part of the carbonization chamber 202 which maintains a high temperature at all times, and heat exchanges the lower part of the outer heating plate 5 of the carbonization chamber 202. The pipe 15 is installed in a line. The heat exchanger 12 and the heat exchanger tube 15 serve as a type of heat pump, and heat having a temperature of about 200 ° C. of the carbonization chamber 202 from the heat exchanger 12 is heat conduction. By the effect, the heat exchanger tube 15 is heated.

In addition, the heat exchange tube 15 has a structure fixed to the outer inclined surface 250 of the carbonization chamber 202, the upper side of the heating plate 5 formed a plurality of bending grooves (5a) in the longitudinal direction Is mounted. Therefore, the tar 205 or the like is solidified on the heating plate 5, and the load cells 20 are formed at both edges of one side of the heat exchange tube 15 so that the weight of the tar 205 can be measured. On the opposite side, balancing springs 22 are installed at both edges to keep the heat exchange tube 15 horizontal.

The weight of the tar 205 measured in the load cell 20 is input to the weight controller 30 and the input data is controlled to operate the hydraulic cylinder of the drive unit 60 which will be described later. .

On the other hand, the flexible tube 13 is mounted to the connection portion between the heat exchanger 12 and the heat exchanger tube 15, the flexible tube 13 is heat in measuring the weight of the tar 205 on the heating plate 5 It is provided in order to give the up-down fluidity of the exchange pipe 15.

In addition, the tar removal apparatus 1 of the coke oven according to the present invention is provided with a scratching portion 35 at the lower end of the jamb cleaner 230 toward the upper side of the heating portion 10.

The scraping part 35 has a crushing roller 40 mounted to be rotatable through a plurality of link arms 37 behind the cleaner body 235 of the transfer car 210, and the crushing roller 40 The scraper 42 provided at the upper end of the) is scraped off the tar 205 on the heating plate 5 to the bottom.

That is, as shown in detail in FIG. 5, the scratching part 35 breaks and removes the tar 205 solidified on the lateral inclined surface 250 of the coke oven door 220, which is a cleaner body part 235. A plurality of link arms 37, which are connected as hinges 37a, are installed on the rear side of the back side.

The link arm 37 has a crushing roller guide plate 45 connected to a lower end thereof, and shock absorbers 47 are formed at both sides of the guide plate 45 to form a scraper fixing plate 50 at an upper side thereof. Is connected to.

The shock absorber 47 has vertical bolts 53 downwardly formed at both lower ends of the scraper fixing plate 50, springs 55 are fitted into the respective vertical bolts 53, and the vertical bolts 53 are disposed. They extend downward through guides 57 formed on both sides of the crushing roller guide plate 45 and are fixed with nuts 53a.

Therefore, the crushing roller guide plate 45 is supported relative to the scraper fixing plate 50 by the elastic force of the spring 55, when it is moved up and down.

In addition, the shredding roller guide plate 45 forms a plurality of grooves 45a toward the front side thereof, and the shredding rollers 40 are positioned in the grooves 45a, respectively, so that the guides cross the grooves 45a. It is mounted on the rotating shaft 40a fixed to the plate 45 to be rotatable.

On the other hand, the both sides of the crushing roller guide plate 45 is connected to the scraper fixing plate 50 by the shock absorber 47, the link by the hydraulic cylinder 65 of the drive unit 60 described later When the arms 37 are pushed out, a stronger force is applied to the crushing roller 40 to crush the tar 205 solidified on the inclined surface 250.

The crushing roller 40 is provided with a plurality of protruding crushing projections on the surface of each wheel so as to be crushed while rotating the upper portion of the heating plate 5 is formed in a curved shape.

The shredding rollers 40 are arranged to correspond to the bending grooves 5a of the heating plate 5, respectively, and when the rollers descend to the heating plate 5 side, the shredding rollers 40 break up the tar 205 collected in the bending grooves 5a. will be.

In addition, the sawtooth scraper 42 is fastened to the scraper fixing plate 50 and the bolt (Bolt) on the upper side of the crushing roller 40, after the crushing roller 40 crushes the tar 205, It is then installed to remove it. In this manner, the saw-tooth scraper 42 is also disposed to coincide with the bent groove 5a of the heating plate 5, and when lowered to the heating plate 5 side, the tar 205 is formed in the bent groove 5a. It is the role of scraping off.

On the other hand, the scraper 42 is the rear end is mounted so that the scraper fixing plate 50 is rotatable through the hinge (50a) at the lower end of the cleaner body 235, the middle portion of the scraper fixing plate 50 It is configured to be inclined toward the heating plate 5 side by the hydraulic cylinder 238 connecting the cleaner body portion 235.

That is, the scraper 42 is mounted to the front end of the scraper fixing plate 50, the scraper fixing plate 50 inclined rotation around the hinge 50a by the operation of the hydraulic cylinder 238 of the scraper The heating plate 5 is in contact.

In addition, a driving unit 60 is provided on the rear surface of the link arm 37 and the cleaner body 235, and the driving unit 60 includes a plurality of hydraulic cylinders 65 mounted on the transfer car 210. By rotating the link arm 37, the shredding roller 40 is brought into close contact with the heating plate 5 to shred and remove the tar 205.

As shown in FIGS. 5 and 6, the drive unit 60 includes a plurality of hydraulic cylinders 65, each of which has a body mounted to the cleaner body 235. The rod is rotatably connected in the middle of the link arm 37. The operation of the hydraulic cylinder 65 causes the shredding roller guide plate 45 to be downward about the upper hinge 37a of the link arm 37. This is to crush the tar 205 on the heating plate 5 by applying a strong force to the crushing roller 40.

The hydraulic cylinder 65 of the drive unit 60 is installed between the cleaner body 235 and the link arm 37 to operate the link arm 37 at a constant pressure to push the crushing roller guide plate 45. It plays a role. Accordingly, the driving unit 60 includes a hydraulic tank 70 and built-in hydraulic pumps (not shown) for operating the hydraulic cylinders 65, and is installed at an intermediate portion of the connecting pipe 65a of the hydraulic cylinder 65. Hydraulic system 72 is a device for measuring the working pressure of the hydraulic cylinder 65, the control valve 75 receives the weight of the tar 205 transmitted from the weight controller 30, the constant calculated pressure is the hydraulic cylinder ( It is a device that is installed to control to work.

The effect of this invention comprised as mentioned above is demonstrated.

Tar removal apparatus 1 of the coke oven according to the present invention, as shown in Figures 6 and 7, when the tar 205 is generated and accumulated in the lower portion of the coke oven door 220 after the extrusion operation of the coke It works to remove the tar 205.

That is, when the tar 205 is accumulated on the heating plate 5, the heating plate 5 is concentrated in the tar 205 inside the bending groove 5a due to the bending groove 5a structure. As the front edge of the heating plate 5 is lowered by the tar weight, the weight is applied to the load cell 20.

In addition, the load cell 20 detects the weight of the tar 205 as an electrical signal and transmits the weight to the weight controller 30. In the weight controller 30, the value exceeds the preset reference value. In order to remove the tar 205 on the heating plate 5, a signal is provided to the driving unit 60.

As described above, when the tar 205 on the heating plate 5 is to be removed, the hydraulic cylinder 65 of the driving unit 60 is in the form of holding the shredding roller guide plate 45 in a completely closed state. , The sawtooth scraper 42 is also in the standby position, that is, the top position of the inclined heating plate 5.

In the load cell 20, the weight of the tar 205 is measured and transmitted to the weight controller 30. The weight controller 30 transmits data to the control valve 75 of the driving unit 60. Although it is a state, since the cleaner body 235 does not operate, the operation of the hydraulic cylinder 65 by data is not performed. That is, the operation of the hydraulic cylinder 65 is made at the same time as the cleaner body 235 is operated.

As the tar removal device 1 according to the present invention as in the sixth operation, the cleaner body 230 is operated while the jamb cleaner 230 moves backward, and at the same time, the operation of FIG. 7 is performed.

That is, when the jamb cleaner 230 moves away from the coke oven 200 and lowers the cleaner body 235 by the hydraulic cylinder 239, the control valve 75 of the drive unit 60 causes tar. According to the weight, the pressure to be applied in the hydraulic cylinder 65 for operating the link arm 37 is adjusted.

That is, the weight controller 30 adjusts the control valve 75 so that the pressure increases when the weight of the detected tar 205 is large and the pressure decreases when the weight of the tar 205 is small. If not set, the driver determines the set value of the weight controller 30 is automatically adjusted to match the set value.

When the cleaner body 235 operates in a state where the pressure value is given in this manner, the hydraulic cylinder 65 pushes the link arms 37 at the set pressure and the crushing roller 40 comes into close contact with the heating plate 5. The tar 205 is crushed by rotation in the bent groove 5a, and the crushed tar 205 is followed by the sawtooth scraper 42 to remove the tar 205 from the heating plate 5.

In this case, the scraper 42 may be in close contact with the heating plate 5 by the operation of the hydraulic cylinder 238 connecting the scraper fixing plate 50 to the cleaner body 235.

On the other hand, the tar 205 stuck to the heating plate 5 is easily crushed because the tar 205 is heated by the temperature rising by the heating plate 5. That is, since the heat exchanger tube 15 is in a state in which conductive heat is applied from the heat exchanger 12 installed inside the carbonization chamber 202 to heat the heating plate 5, heat is transferred to the tar 205 and tar. 205 is heated and softened.

The heat exchanger 12 and the heat exchanger tubes 15 may be tubes of copper having excellent thermal conductivity, in order to improve the conduction of heat transferred from the carbonization chamber 202, and a structure filled with a heat conductive medium therein. Can be.

As described above, according to the present invention, the tar 205 generated after the coke extruding operation is heated by the heating plate 5 to prevent sticking. The cumulative weight of the tar 205 is measured to set an appropriate pressure to set a hydraulic cylinder ( 65 is operated to crush and remove, thereby completely removing the tar 205 formed in the vicinity of the inclined surface 250 of the coke oven door 220.

Accordingly, the effect of preventing coking oven door 220 from being long or detached and achieving more stable coke operation is obtained.

Claims (4)

In the apparatus for removing the solids of the tar 205 generated in the lower portion of the coke oven door 220 during the extrusion operation of the coke by the transfer car 210 in the coke oven operation, It is provided with a heating plate (5) fired on the outer lower portion of the coke oven door 220, the heat is conducted from the heat exchanger 12 mounted on the carbonization chamber 202 on the lower side of the heating plate (5) A heating part (10) provided with a heat exchange tube (15) for heating (5) to heat the tar (205) on the heating plate (5); At the bottom of the transfer car 210 is provided with a crushing roller 40 rotatably mounted through a link arm 37, and provided with a scraper 42 provided on the top of the crushing roller 40, the heating plate ( 5) scraping portion 35 to scrape off the tar 205 on the bottom; and The crushing roller 40 is attached to the heating plate 5 to crush and remove the tar 205 by rotating the link arm 37 with a plurality of hydraulic cylinders 65 mounted on the transfer car 210. And a drive unit (60). The tar removal apparatus of the coke oven, characterized in that for heating and removing the fixed tar on the side of the coke oven door. According to claim 1, wherein the heating plate 5 is a structure in which a plurality of bending grooves (5a) formed in the longitudinal direction, so that the weight of the tar 205 can be measured on one side lower portion of the heat exchange tube (15) Load cells 20 are installed at both corners, and opposite springs are provided with balance springs 22 at both edges to keep the heat exchange tube 15 horizontal, while measuring at the load cell 20. The weight of the tar (205) is input to a weight controller (Controller) 30, the tar removal device of the coke oven, characterized in that the control is made to operate the hydraulic cylinder (65) of the drive unit (60). According to claim 1, wherein the shredding roller 40 is provided with a plurality of protruding shredding projections on each wheel surface to be shredded while rotating the upper portion of the heating plate (5) formed in a curved shape, the heating plate (5) Arranged in correspondence with the bent groove (5a) of each), when falling to the heating plate (5) side, tar removal apparatus of the coke oven, characterized in that configured to crush the tar 205 collected in the bent groove (5a) . According to claim 1, The scraping part 35 is connected to the crushing roller guide plate 45 at the lower end of the link arm 37, the shock absorbing device 47 is formed on both sides of the guide plate 45 It is connected to the scraper fixing plate 50 to the upper side, the shock absorber 47 is vertical bolts 53 are formed downward to both lower ends of the scraper fixing plate 50, each of the vertical bolts (53) 55 are fitted, and the vertical bolts 53 extend downward through guide holes 57 formed on both sides of the crushing roller guide plate 45 to be fixed by the nut 53a, thereby releasing the crushing roller guide plate 45. ) Is a tar removal device of the coke oven, characterized in that the structure is supported by the scraper fixing plate 50 by the elastic force of the spring (55) when moving up and down.