KR101820751B1 - Apparatus and method for changing ram - Google Patents

Abstract

The present invention may be applied to a moving device for moving the ram; And a support portion for supporting the ram moved by the moving device, wherein the support portion is raised and lowered to adjust a height difference between the support portion and the ram, and a ram replacement method using the same. Accordingly, when the ram is replaced, the ram can be easily drawn out, and at the same time, even when the ram is installed in the extruder, the ram can be securely supported so as to prevent deformation due to friction or the like.

Description

[0001] APPARATUS AND METHOD FOR CHANGING RAM [0002]

The present invention relates to a RAM replacement apparatus and a replacement method. More particularly, the present invention relates to a ram replacement apparatus and method for facilitating withdrawal and insertion of a ram for replacement of a ram when the lifetime of the ram used in a coke oven facility is reached.

Generally, the coke oven facility has a plurality of carbonization chambers for charging coal, and a heat coke is produced in the carbonization chamber by applying 1,250 ° C. heat for about 18 hours.

In this coke making process, fuel is supplied to the inside of the carbonizing chamber through the inlet of each carbonizing chamber, and the gaseous coke which has been completely dried is loaded into the fire extinguishing vehicle through the open region as the coke oven door is opened, (Coke supply section).

Referring to FIG. 1, the coke oven facility 2 of the coke oven plant uses a charging car 3 to load coal into the carbonization chamber 11 of the coke oven 10, and coke oven It is a facility to perform the process.

When the coking process is completed, the transfer car 20 brings the coke guide 21 into close contact with the carbonization chamber 11 side so that the gaseous coke C can be smoothly extruded toward the fire extinguisher side.

For example, the transfer car 20 advances the coke guide 21 in a state where the coke oven door 12 installed at the inlet of the carburizing chamber 11 is detached, so that the un-extruded coke C ) Can be introduced into the fire extinguisher.

The unextruded coke C is extruded using the ram 40 of the extruder 30 and the coke C is introduced into the extruder 30 through the coke guide 21 of the transfer car 20 have.

Referring to FIGS. 1 and 2, the ram 40 provided in the extruder 30 and the extruder 30 will be described with reference to FIGS. 1 and 2. As the drive pinion gear 31 is installed on one side of the motor, The rack gear 43 of the ram 40 is shifted to the pinion gear 31 so that the ram 40 provided on the extruder 30 performs the forward and backward movements. Thus, the ram 40 pushes out the red coke to the carbonization chamber 11, which has been completely dried.

3, when the coke is extruded in the center twist state due to thermal deformation deterioration of the ram 40, the wall of the carbonization chamber 11 formed of the refractory by the deformed ram 40 is damaged (for example, Pores 13, wear, etc.).

As a result, the operation and repair of the carbonization chamber 11 are stopped and the operation is hindered.

According to an aspect of the present invention, there is provided a RAM replacement apparatus and a RAM replacement method for facilitating the removal and insertion of a RAM for replacing a RAM when the life of the RAM is reached.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems not mentioned here can be understood by those skilled in the art from the following description.

According to a preferred embodiment of the present invention, there is provided a ram replacing apparatus for replacing a ram of an extruder, comprising: a moving device for moving the ram; And a support for supporting the ram moved by the moving device, wherein the support is raised and lowered to adjust the height difference with the ram.

The supporting portion may include a plate-like supporting portion for supporting the ram when the ram is moved; Pedestal; And an elevating cylinder disposed between the plate-like supporting portion and the pedestal, wherein the elevating cylinder can elevate the plate-like supporting portion.

The ram replacement apparatus may further include a lifting movement supporting device installed to be movable along the longitudinal direction of the plate supporting portion.

The elevating and moving support device in which the ram is fixed to the upper portion includes: a main body; A ram fixing part disposed at an upper portion of the main body to fix the ram to the main body; And the moving part may be detachably installed in the main body.

The ram fixing unit may include a lift plate disposed on the body so as to be movable in a vertical direction; And a lug fixed to one side of the ram. The lug may be raised by lifting the ram while fixing one side of the ram.

Here, the height of the lug may be adjusted.

The apparatus may further include a fixing member that penetrates a long hole formed in a lengthwise direction on one side of the lug and couples the same to the main body.

The elevating and moving support device may further include a barrel installed on a side surface of the main body.

According to a preferred embodiment of the present invention, there is provided a ram replacement method for replacing a ram installed in an extruder using a ram replacement apparatus, the method comprising: moving the ram to a ram test point; Separating the ram from the extruder; Adjusting a height difference between the ram replacing device and the ram; Withdrawing the ram; Disposing a lifting and moving support device; Mounting a ram to be replaced on an upper portion of the lifting and moving support device; And installing the ram to be replaced in an extruder.

The step of mounting the ram to be replaced to the upper portion of the lifting and moving support device includes a step of lifting the ram beam of the ram to the lifting and moving support device and fixing the ram beam to the lifting and moving support device can do.

The step of installing the ram in the extruder may include: replacing the roller of the extruder; Moving the ram beam forward; Installing a driving pinion gear; And installing a ram head on the ram beam.

Here, the roller may be at least one of a support roller, a thrust roller, and a pivot roller.

In the step of installing the driving pinion gear, a driving pinion is engaged with the rack gear of the ram beam, and the driving pinion gear and the bash-lash of the rack gear can be adjusted.

The ram replacing apparatus according to an embodiment of the present invention having the above-described structure is configured to support the ram so that the ram can be easily taken out when the ram is replaced and at the same time, even when the ram is installed in the extruder, You can safely support the ram to help install the ram.

In addition, since the lifetime of the ram is easily changed to prevent the carbonization chamber from being damaged, the efficiency of production of the coke can be secured.

1 is a view showing a coke oven facility,
2 is a view showing a ram installed in a coke oven facility,
3 is a view showing a carbonized chamber damaged by a deformed ram,
4 is a view illustrating a RAM replacement apparatus according to an embodiment of the present invention,
FIG. 5 is a view showing a RAM test position of a RAM replacement apparatus according to an embodiment of the present invention,
6 is a view illustrating an elevating movement supporting apparatus of a ram replacing apparatus according to an embodiment of the present invention,
7 is a view showing a method of fixing a ram using a lifting plate and a clamp of a lifting and moving support device,
8 is a block diagram illustrating a RAM replacement method according to an embodiment of the present invention,
9 is a view showing a driving pinion gear removed in the ram replacement method according to an embodiment of the present invention,
10 is a view showing a replaced roller of an extruder,
11 is a view for moving a ram beam forward by using a moving device of a ram replacing device according to an embodiment of the present invention,
Fig. 12 is a view showing a case where a driving pinion gear is installed in a rack gear of a ram by adjusting a bash-lash.

The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated and described in the drawings. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terms including ordinal, such as second, first, etc., may be used to describe various elements, but the elements are not limited to these terms. The terms may be used solely for the purpose of distinguishing one element from another.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

In the description of the embodiments, when an element is described as being formed "on or under" another element, the upper or lower (lower) (on or under) all include that the two components are in direct contact with each other or that one or more other components are indirectly formed between the two components. Also, when expressed as 'on or under', it may include not only an upward direction but also a downward direction based on one component.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Unless otherwise defined, terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art, and unless otherwise explicitly defined in the present application, It is not interpreted in formal sense.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings, wherein like or corresponding elements are denoted by the same reference numerals, and redundant description thereof will be omitted.

Referring to FIGS. 4 to 7, the RAM replacement apparatus 1 according to an embodiment of the present invention may include a support unit 100 and a mobile device 200 for moving the RAM 40.

Then, the mobile device 200 can move the ram 40 forward or backward. Herein, the term 'forward' refers to the side of the carbonization chamber 11 on the basis of the extruder 30, and 'rear' refers to the direction opposite to the side of the carbonization chamber 11 with respect to the extruder 30 .

The ram replacement device 1 may further include a lifting and moving support device 300 that is movably disposed on the upper part of the support part 100.

When withdrawing the ram 40, the support 100 may support the ram 40 that is moved by the moving device 200. The supporting portion 100 can support the lower side of the lifting and moving support device 300 that supports the ram 40 when the ram 40 is inserted into the extruder 30.

Here, the ram 40 may include a ram head 41 and a ram beam 42. The ram head 41 is detachably mounted on one side of the ram beam 42.

Further, when the ram 40 is drawn out, the support portion 100 adjusts the height difference with the ram 40.

4, the support 100 may include a plate support 110, a pedestal 120, and a lifting cylinder 130 disposed between the plate support 110 and the pedestal 120. As shown in FIG.

5, when the ram 40 moved to the ram test position P is pulled out to the outside by using the moving device 200, the plate-like supporting portion 110 of the supporting portion 100 is moved to the ram 40 As shown in Fig.

1 and 4, the ram test position P indicates a position where the ram 40 has moved to the opposite side (rear side) of the carbonization chamber 11 as much as possible, and the rack gear 43 The ram 40 can be moved to the ram test position P by the rotation of the driving pinion gear 31 of the extruder 30,

Then, in the RAM test position P, the operator can recognize whether or not the RAM 40 is deformed.

When the deformation of the ram 40 is determined, the ram 40 can be moved to the upper surface 111 of the plate-like support 110 by the moving device 200.

At this time, a height difference may occur between the lower surface of the ram 40 and the upper surface 111 of the plate-like support 110. The plate-like support 110 may be elevated and lowered using the elevating cylinder 130 of the support 100, It is possible to prevent a height difference from being generated. Here, as the elevating cylinder 130, an air cylinder or a hydraulic cylinder may be used.

4, the plate-like support 110 may further include a guide 112 protruding vertically from both sides of the upper surface 111. In addition,

The guide 112 guides the lifting and moving support device 300 when the lifting and moving support device 300 moves along the upper surface 111 and guides the lifting and moving support device 300 It is possible to prevent a safety accident in advance.

The guide 112 may also guide the ram 40 when the ram 40 is taken out.

Meanwhile, the pedestal 120 may be disposed between the elevating cylinder 130 and the ground G.

A wheel (not shown) may be installed under the pedestal 120 to allow the support 100 to move. Further, a stopper (not shown) may be further provided on the pedestal 120 to fix the moved support portion 100 to the ground G.

4, the supporting part 100 may further include a lifting and supporting member 140 disposed between the pedestals 120 and supporting the lower part of the plate-like supporting part 110. As shown in FIG.

The lifting and supporting member 140 may be disposed between the pedestals 120 and then lift the upper end to support the plate-shaped supporting portion 110. Thus, the elevation support member 140 prevents the center side of the pedestal 120 from being deflected by the load.

The mobile device 200 can move the ram 40 to replace the ram 40. [ Here, as the mobile device 200, a crane can be used as shown in Fig.

The lifting and moving support device 300 may be disposed on the top of the plate-like support 110 so as to be movable along the longitudinal direction of the plate- Accordingly, the lifting and moving support device 300 can be used when the ram 40 is replaced.

Particularly, in order to prevent damage to the new type ram 40 to be replaced, rather than when the ram 40 is deformed, More can be used.

That is, when the ram 40 is inserted, the lifting and moving support apparatus 300 can move while supporting the ram 40 which is moved by the moving apparatus 200. Accordingly, the ram replacing apparatus 1 prevents the new ram 40 to be replaced by the lifting and moving support apparatus 300 from being damaged by friction or the like.

The lifting and moving support device 300 supports the ram 40 to prevent the ram 40 from sagging and allows the lifting and moving support device 300 to move to the plate support 110 of the support 100 in consideration of the load of the ram 40. [ A plurality of such units may be installed.

Referring to FIG. 6, the lifting and moving support apparatus 300 may include a main body 310, a RAM fixing portion 320, and a moving portion 330.

6, the RAM fixing part 320 is disposed at an upper portion of the main body 310 to fix the ram 40 to the main body 310. [

The moving part 330 may be detachably installed in the lower part of the main body 310 so that the main body 310 is movable along the plate supporting part 110 of the supporting part 100.

The ram fixing part 320 may include a lift plate 321 and a lug 322 that move up and down by a hydraulic cylinder (not shown) disposed inside the main body 310.

The lifting plate 321 prevents slipping of the ram 40 against the ram beam 42 so that the ram beam 42 can be stably lifted to the lifting and supporting device 300. [

Accordingly, the lift steel plate 321 can be formed of a material such as rubber or urethane, thereby minimizing the transmission of the vibration generated during the movement to the ram beam 42 while preventing the sliding steel plate 321 from sliding. have.

The height of the lug 322 can be adjusted.

A long hole 323 (slit hole) may be formed at one side of the lug 322 and the fixing member 324 such as a bolt passing through the long hole 323 allows the lug 322 to be inserted into the main body 310 ).

That is, the height of the lug 322 can be easily adjusted through the engagement of the long hole 323 formed on one side of the lug 322 and the fixing member 324.

Hereinafter, a method of fixing the new ram 40 to the lifting and moving support device 300 using the lifting plate 321 and the lug 322 will be described.

Referring to FIG. 7A, the ram 40 to be replaced is placed on the lifting plate 321 using the crane, and then the lug 322 is fixed to one side of the ram 40. Here, as shown in Fig. 7, the lug 322 may be formed in a cross-sectional shape.

At this time, since the fixing member 324 is fixed to the long hole 323 of the lug 322, the lug 322 can move in the vertical direction without being detached from the main body 310.

One side of the lug 322 firmly fixes the lug 322 to the main body 310 by using the fixing member 324 while the ram 400 is fixed.

7 (b), the lifting plate 321 is lifted upward so that the ram 40 is fixed to the lifting and moving support device 300. Then, as shown in Fig.

Accordingly, the ram 40 can move in a state supported by the lifting and moving support apparatus 300. [

The moving part 330 is detachably installed in the lower part of the main body 310.

The moving part 330 allows the lifting and supporting device 300 to move along the longitudinal direction of the plate-

A urethane roller 331 may be installed on the moving part 330 to minimize shock and vibration when the ram 40 is moved by the moving device 200. However, since the wear of the urethane roller 331 occurs due to the load of the ram 40, it is preferable that the moving part 330 is detachably installed in order to replace the moving part 330.

The lifting and moving support device 300 may further include a barrel 340 installed at one side of the main body 310.

The neckline 340 may be installed on the side of the main body 310, as shown in FIG. Thus, after securing the hanger portion 210 of the crane, which is an embodiment of the mobile device 200, to the barrel 340, the crane can move the elevator support device 300 to the upper portion of the plate- .

Then, the lock unit 210 is unfastened in the lock 340, and the crane puts the new ram 40 to be replaced on the upper portion of the lift-motion support apparatus 300.

The crane can move the new ram 40 supported by the elevation support device 300 to the extruder 30 side.

The mobile device 200 can move the ram 40 when replacing the ram 40 and move the lifting and moving support device 300 to the upper portion of the plate support 110 as described above .

Hereinafter, a RAM replacement method (S1) will be described with reference to the RAM replacement apparatus (1). In describing the ram replacing method S1 according to an embodiment of the present invention, it is preferable that the respective components of the RAM replacing apparatus 1 described in the same numerals as the constituent elements of the RAM replacing apparatus 1 The description of which will be omitted.

Referring to FIGS. 8 to 12, the RAM replacement method S1 relates to a method of extracting a modified RAM using the RAM replacement apparatus 1 and inserting and installing a new type RAM.

The ram replacement method S1 includes moving a ram to a ram test point S10, separating the ram from the extruder S20, adjusting a height difference between the ram replacement device and the ram S30, (S50) of mounting the elevating movement supporting device (S50), mounting the ram to be replaced on the elevating movement supporting device (S60), and installing the ram on the extruder (S70) can do.

In step S10 of moving the ram to the ram test point, the driving pinion gear 31 of the extruder 30, which is provided to be engaged with the rack gear 43 of the ram 40, is rotated to move the ram 40 to the ram test position P ).

Then, in the RAM test position P, the operator can recognize whether or not the RAM 40 is deformed.

In the step S20 of separating the ram from the extruder, when the deformation of the ram 40 is determined, the ram head 41 of the ram 40 is separated from the ram beam 42 and, as shown in Fig. 9, The drive pinion gear 31 is disassembled.

In the step S30 of adjusting the height difference between the ram replacing device and the ram, a height difference may be generated between the lower surface of the ram 40 and the upper surface 111 of the plate supporting portion 110, 130 can be used to raise and lower the plate-like support 110, thereby preventing occurrence of a height difference.

In step S40 of withdrawing the ram, the ram 40 may be moved along the upper surface 111 of the plate-like support 110 using the crane provided to the mobile device 200 and removed. At this time, the lifting and moving support apparatus 300 of the ram replacement apparatus 1 may be used, but it is not necessarily required to take out the ram beam 42 in which the deformation has occurred.

In the step S50 of placing the elevating and moving support device, the elevating and moving supporting device 300 can be moved to the upper part of the plate supporting part 110 by using the moving device 200 of the ram replacing device 1. [

In step S60 of mounting the ram to be replaced to the upper portion of the lifting support device, the ram beam 42 is moved to the upper portion of the lifting support device 300 using the lifting device 200 of the ram replacing device 1 Move it away.

7, the ram beam 42 is fixed to the upper portion of the elevation movement support apparatus 300 through the ram fixing section 320 of the elevation movement support apparatus 300. As shown in Fig.

Accordingly, the step S60 of mounting the ram to be replaced to the upper portion of the elevating and moving support device includes a step S61 of elevating the ram beam to the elevating and moving support device and a step of fixing the ram beam to the elevating and moving support device 300 S62).

In the step of installing the ram on the extruder (S70), the ram 40 is installed on the extruder using the moving device 200 of the ram replacement device 1.

The step of installing the ram in the extruder S70 includes a step S71 of replacing the roller of the extruder, a step S72 of moving the ram beam forward, a step S73 of installing the drive pinion gear, (Step S74).

Referring to FIG. 10, in step S71 of replacing the rollers of the extruder, the rollers assisting the movement of the ram beam 42 before the ram beam 42 is moved forward can be replaced. Here, the roller may include a support roller 32, a thrust roller 33, and a pivot roller 34. [

11, in the step S72 of moving the ram beam forward, the ram beam 42 is moved forward by using the moving device 200 of the ram replacing device 1. As shown in FIG.

Referring to FIG. 12, in step S73 of installing the drive pinion gear, the drive pinion gear 31 is installed to be engaged with the rack gear 43 of the ram beam 42. As shown in FIG. At this time, the driving pinion gear 31 and the bash-lash of the rack gear 43 can be adjusted. The gap of the bash-lash may be adjusted to be 8 mm to 12 mm. Preferably, the gap of the bash-lash may be adjusted to be 10 mm.

In the step S74 of installing the ram head on the ram beam, the ram head 41 is installed on the end of the ram beam 42. [ At this time, if the RAM head 41 is damaged, the new RAM head 41 can be replaced.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the appended claims. It will be understood that the present invention can be changed. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

1: Ram replacement device 2: Coke oven facility
3: Charging car 10: Coke oven
11: carbonization chamber 30: extruder
31: drive pinion gear 32: support roller
33: thrust roller 34: pivot roller
40: Ram 41: Ram Head
42: ram beam 43: rack gear
100: Support part 110: Plate type support part
111: upper surface 120:
130: lifting cylinder 200: moving device
300: lifting and moving support device 310:
320: ram fixing part 321:
322: Lug 333: Long hole
340: Fixing member 350:
S1: How to replace the RAM

Claims (13)

A ram replacement device for replacing a ram of an extruder,
A moving device for moving the ram;
A support for supporting the ram moved by the moving device; And
And a lifting and moving support device movably installed along the longitudinal direction of the support portion,
The elevating and moving support device, in which the ram is fixed to the upper portion,
main body;
A ram fixing part disposed at an upper portion of the main body to fix the ram to the main body;
And a moving part,
And the moving unit is detachably installed in the main body. The method according to claim 1,
The support portion
A plate-shaped support for supporting the ram when the ram is moved;
Pedestal; And
And a lift cylinder disposed between the plate-like support and the pedestal,
And the lifting cylinder causes the plate-like supporting portion to be lifted and lowered. delete delete The method according to claim 1,
The ram fixing portion includes:
A lifting plate disposed on the body so as to be movable up and down; And
A lug secured to one side of the ram,
And the ram is lifted so that the ram is fixed while the lug fixes one side of the ram. 6. The method of claim 5,
Wherein the lug is adjustable in height. The method according to claim 6,
Further comprising a fixing member penetrating an elongated hole formed in a longitudinal direction at one side of the lug and coupling the elongated hole to the main body. The method according to claim 1,
And a barrel installed on a side surface of the main body. A ram replacement method for replacing a ram installed in an extruder using a ram replacement device,
Moving the ram with a ram test point;
Separating the ram from the extruder;
Adjusting a height difference between the ram replacing device and the ram;
Withdrawing the ram;
Disposing a lifting and moving support device;
Mounting a ram to be replaced on an upper portion of the lifting and moving support device; And
Installing the ram to be replaced in an extruder,
The step of mounting the ram to be replaced to the upper portion of the lifting /
Mounting a ram beam of the ram on the lifting support device; and fixing the ram beam to the lifting support device. delete 10. The method of claim 9,
The step of installing the ram in the extruder comprises:
Replacing the rollers of the extruder;
Moving the ram beam forward;
Installing a driving pinion gear; And
And installing a ram head on the ram beam. 12. The method of claim 11,
Wherein the roller is at least one of a support roller, a thrust roller, and a pivot roller. 12. The method of claim 11,
Wherein the driving pinion gear is provided with a driving pinion engaged with the rack gear of the ram beam, and the driving pinion gear and the boss-lash of the rack gear are adjusted.

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