KR102142807B1 - Roll for transfer of furnace - Google Patents

Abstract

The present invention relates to a transfer roll apparatus of a heating furnace. According to the present invention, the transfer roll apparatus of the heating furnace comprises: a plurality of roller members placed in the heating furnace; a bearing member placed outside the heating furnace on a rotary shaft of the roller members; a cooling unit placed outside the roller members and outside the heating furnace to face the bearing member and the rotary shaft; and a cooling guide unit placed between the cooling unit and the heating furnace to face the rotary shaft. The cooling unit is provided to have a refrigerant circulate inside. The cooling guide unit is able to receive the refrigerant leaked to the outside of the cooling unit and move the refrigerant to the outside of the heating furnace. There can be a plurality of bearing members, cooling units, and cooling guide units to correspond to the rotary shafts of the roller members one on one. The present invention aims to provide the transfer roll apparatus of the heating furnace, which is able to improve durability and maintenance efficiency of the heating furnace and the transfer rolls of the heating furnace.

Description

ROLL FOR TRANSFER OF FURNACE

The present invention relates to a transfer roll device for a heating furnace.

In general, the heating furnace has a difference in temperature depending on process characteristics and material characteristics, but the material can be heated to a temperature of about 900°C.

As shown in FIG. 1, the heating furnace 10 may include a heating furnace body 11 including a space for heating a material therein, and a bellows 12 extending from the heating furnace body 11.

A plurality of transfer rolls 20 for transporting a material (not shown) may be provided on the furnace body 11, and the materials are transferred and heated by the transfer roll 20 within the high temperature furnace body 11 do.

The transfer roll 20 is located on the side of the heating furnace body 11 and the bellows 12, the roller body 21 on which the material (not shown) is seated, and the rotating shaft 22 provided at the ends of the roller body 21 ).

The rotating shaft 22 is provided with a bearing member 31 rotatably supporting the roller body 21, and in some cases, a bearing box 30 accommodating the rotating shaft 22 and the bearing member 31 Is provided.

Since these components are exposed to the environment of the high-temperature heating furnace 10 as they are, they may be damaged, such as thermal damage, so as to cool at least one of the transfer roll 20 and the bearing member 31 from the high temperature water jacket ( 40) is provided.

The water jacket 40 can be fastened between the bellows 12 and the bearing box 30, accommodates the refrigerant W therein, and faces the rotating shaft 22 or is provided to contact the rotating shaft 22. At least one of the transfer roll 20 and the bearing member 31 is cooled from the high-temperature heating furnace 10.

However, a crack region 41 may occur in the water jacket 40 for a reason of use or a series of reasons, and when the crack region 41 occurs, the refrigerant W inside the water jacket 40 flows out. Problems can occur.

Refrigerant (W) leaked in this way usually flows along the bellows (12) and is drawn into the inside of the furnace body (11). Not only is it not known from the outside that it has occurred, it can also seriously damage the furnace 10.

KR 10-1091286 B1 (2011.12.01)

An object of the present invention is to improve the durability and the efficiency of maintenance of the heating roll and the transfer roll of the heating furnace.

In addition, it is an object of the present invention to improve the efficiency and speed of the heating furnace process and improve the work convenience of the operator.

The present invention relates to a transfer roll device for a heating furnace.

The transfer roll device of the heating furnace according to the present invention includes: a roller member provided with a plurality of inside the heating furnace; and a bearing member located outside the heating furnace and provided on a rotating shaft of the roller member; and, the roller member A cooling unit disposed outside of the furnace and outside of the heating furnace and facing the bearing member and the rotating shaft; And a cooling guide unit disposed to face the rotating shaft between the cooling unit and the heating furnace, wherein the cooling unit is provided to circulate a refrigerant therein, and the cooling guide unit comprises: It is provided to receive the refrigerant flowing out to move to the outside of the heating furnace, the bearing member, the cooling unit and the cooling guide unit is provided with a plurality, it is provided to correspond to the rotating shaft of the roller member one-to-one, The cooling unit includes a refrigerant circulation space therein, a cooling member disposed between the bearing member and the cooling guide unit, and the cooling guide unit includes a sealing space therein. A cooling guide chamber that restricts the refrigerant coming out of the refrigerant circulation space in contact with the cooling member and the heating path into the heating path; and a drain pipe connected to the cooling guide chamber to communicate with the sealing space; And a drain valve provided on the drain pipe; and a control unit connected to each of the drain pipes to sense the flow inside the drain pipe; wherein the control unit is provided on the drain pipe and A sensing member for sensing the flow inside the drain pipe; And a display member connected to the sensing member and displaying flow information inside the drain pipe sensed by the sensing member.

In addition, the cooling unit is connected to the cooling member to communicate with the refrigerant circulation space, the cooling pipe provided to circulate the refrigerant in the refrigerant circulation space; And a cooling pump connected to the cooling pipe.

The cooling guide unit may further include a sealing member disposed between the rotating shaft and the cooling guide chamber to seal the sealing space.

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According to the present invention, the durability of the heating furnace and the transfer roll of the heating furnace and the efficiency of maintenance can be improved.

In addition, the efficiency and speed of the heating furnace process can be improved, and the work convenience of the worker can be improved.

1 schematically shows a transfer roll device of a conventional heating furnace.
Figure 2 schematically shows the transfer roll device of the heating furnace according to an embodiment of the present invention.
3 schematically shows a cooling unit according to the present invention.
Figure 4 schematically shows a transfer roll device of a heating furnace according to another embodiment of the present invention.
5 schematically shows a transfer roll device of a heating furnace according to another embodiment of the present invention.

In order to help understanding of the description of the embodiments of the present invention, elements described with the same reference numerals in the accompanying drawings are the same elements, and related elements among the elements that perform the same action in each embodiment are the same or a number on the extension line Notation.

In addition, in order to clarify the gist of the present invention, descriptions of elements and techniques well known by the prior art will be omitted, and hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

However, the spirit of the present invention is not limited to the presented embodiments, and specific components may be added, changed, or deleted by other skilled artisans, but this is also included within the scope of the same spirit as the present invention. Reveals.

As shown in FIG. 2, a plurality of roller members 110 of the transfer roll device of the heating furnace may be provided inside the heating furnace body 102 of the heating furnace 101.

In addition, the roller member 110 may include a roller body 111 for transporting a material (not shown) and a rotating shaft 112 connected to the roller body 111.

At least a portion of the roller body 111 may be present inside the furnace body 102, the rotary shaft 112 may extend to the outside of the furnace body (102, for example, bellows).

In addition, a bearing member 120 is fastened to the rotating shaft 112 so that the rotating shaft 112 and the roller body 111 can be supported relative to the heating furnace 101 while allowing the rotating shaft to rotate.

The bearing member 120 may be provided on each of the rotating shafts 112 of the plurality of roller members 110 that may exist inside the heating furnace 101.

However, hereinafter, for convenience of explanation, a roller member 110 inside the heating furnace 101 will be described, and components provided in connection with the roller member 110 described below will be described as a heating furnace ( 101) A plurality of roller members present therein may be provided to correspond to each one-to-one, and the roller member 110 described below may be provided with components provided to correspond to the roller member 110 with a heating furnace ( 101) A plurality may exist inside.

The transfer roll device of the heating furnace according to an embodiment of the present invention may include the roller member 110 and the bearing member 120 described above, in addition to the outer and the heating furnace body of the roller member 110 ( 102) the cooling unit 130 and the cooling unit and the heating contacting the bearing member from outside, and cooling at least one of the bearing member 120 and the rotating shaft 112 facing the rotating shaft 112 It may include a cooling guide unit 140 that contacts the furnace body 102 and faces the rotating shaft 112.

The cooling unit 130 may include a cooling member 131 provided with a refrigerant circulation space 132 therein and a refrigerant circulated in the refrigerant circulation space 132.

In one embodiment of the present invention, the refrigerant is cooling water, but the type is not necessarily limited by the present invention, and the type of the refrigerant is appropriately changed and applied by a person skilled in the art.

The refrigerant circulation space 132 of the cooling member 131 is provided with a cooling pipe 133 and a cooling pump 134 connected to the cooling pipe 133 to provide suction power, and is suitable for the refrigerant circulation space 132. It is provided so that the refrigerant of temperature can be circulated.

And one side of the cooling member 131, the bearing box 121 may be coupled by a fastening member 150, the other side of the cooling member is a cooling guide unit 140 by another fastening member 150 Combined.

In addition, the cooling guide unit 140 may be coupled by another fastening member 150 to an extended end (eg, bellows) of the furnace body 102.

Components such as bolts may be applied to the fastening member 150, but this is not necessarily limited by the present invention, and the type of the fastening member may be appropriately selected and applied by a person skilled in the art.

The cooling guide unit 140 serves to receive the refrigerant flowing out of the cooling member 131.

Receiving the refrigerant that can be discharged from the cooling member 131 by the cooling guide unit 140 can prevent the refrigerant from entering the furnace body 102, and can extend the life of the furnace body 102. have.

In addition, it is possible to prevent the operation from being stopped for maintenance of the heating furnace body 102 or the roller member 110, so that the efficiency and speed of the process can be improved.

As shown in FIG. 3, the cooling unit 130 according to an embodiment of the present invention may include a cooling member 131 including a rotating shaft coupling hole 131a through which the rotating shaft (112 of FIG. 2) can pass. .

In addition, the cooling member 131 includes a refrigerant circulation space 132 accommodating refrigerant, and a cooling pipe 133 having a refrigerant inlet pipe 133a and a refrigerant outlet pipe 133b is connected to the refrigerant circulation space. And, the refrigerant inlet pipe (133a) and the refrigerant outlet pipe (133b) may be connected to the cooling pump (134).

With this configuration, it is possible to cool the refrigerant present in the refrigerant circulation space 132 to an appropriate temperature.

In addition, the cooling member 131 is provided with a fastening member coupling hole 131b, which is a through hole for coupling with other components, and a fastening member (150 in FIG. 2) passes through the fastening member coupling hole 131b. Can be.

In addition, as shown in FIG. 4, the cooling guide unit 140 according to an embodiment of the present invention contacts the cooling member 131 and the heating furnace body 102 and includes a sealing space 142 therein. The cooling guide chamber 141 may include a drain pipe 143 connected to the cooling guide chamber 141 and a drain valve 144 provided in the drain pipe to be connected to the sealing space 142.

According to the cooling guide unit 140, the refrigerant W deviated from the refrigerant circulation space 132 by the crack region C generated in the cooling member 131 is accommodated in the sealing space 142 or drain pipe. Since it is prevented from being discharged to the outside of the cooling guide chamber 141 along the heating path body 143, the durability and maintenance of the heating furnace 101 and the roller member 110, which is a transfer roll of the heating furnace, are prevented. Improve the efficiency of.

To this end, the cooling guide chamber 141 may be fixed through the fastening member 150 so as to contact the cooling member 131 and the ends (eg, bellows) of the furnace body 102.

According to this, by placing the cooling guide chamber 141 on the path through which the refrigerant W is introduced into the furnace body 102, the introduction of the refrigerant W into the furnace body 102 can be more easily blocked.

In addition, the cooling effect of the cooling guide chamber 141 by the cooling member 131 can also be obtained, contributing to the improvement of the overall durability of the device.

The drain valve 144 installed in the drain pipe 143 can control the flow and flow rate in the drain pipe 143.

In addition, as shown in Figure 5, the transfer roll apparatus of the heating furnace according to another embodiment of the present invention is installed by being installed corresponding to each of a plurality of roller members (110 of FIG. 4) present in the furnace body 102 It may include a control unit 160 connected to each of the drain pipe 143 is present.

The control unit 160 is connected to each of the drain pipe 143, the sensing member 161 for sensing the flow inside the drain pipe 143 and the sensing member 161 is connected to the sensing member 161 It may include a display member 162 to display the sensed information to be delivered to the operator.

The method in which the display member 162 transmits information to the worker is not limited to visual, olfactory, and aural, and a method suitable for the working environment and the worker may be adopted and applied.

In addition, the sensing member 161 may be a dew point meter, which is not necessarily limited by the present invention and may be replaced with other sensor means.

According to this, it is possible to quickly grasp the outflow of the refrigerant W from the cooling member 131 installed in which roller member among the plurality of roller members (110 of FIG. 4), and only perform maintenance of the problem part Therefore, the efficiency of the process and the work convenience of the worker can be improved.

In addition, the cooling guide chamber 141 of the cooling guide unit 140 may be provided in a form in which an end thereof extends in the direction of the roller body 111 or the rotating shaft 112 to form a sealing space 142. Can.

In addition, the end of the cooling guide chamber 141 can effectively block the refrigerant W from being introduced into the furnace body 102 as close as possible to the roller body 111 or the rotating shaft 112.

In addition, preferably, a sealing member 145 is provided between the cooling guide chamber 141 and the roller body 111 or the rotating shaft 112 to more effectively block the introduction of the refrigerant W into the heating furnace body 102. have.

The sealing member 145 may be provided with a bearing or the like, but without introducing interference to the rotation of the roller body 111 or the rotating shaft 112, the introduction of the refrigerant W into the heating furnace body 102 is blocked. If possible, the type is not necessarily limited by the present invention.

The above-described matters have been described in relation to one embodiment of the present invention, and the scope of rights of the present invention is not limited thereto, and various modifications and variations are possible without departing from the technical spirit of the present invention as set forth in the claims. It will be apparent to those skilled in the art.

10: heating furnace 20: transfer roll
30: bearing box 40: water jacket
101: heating furnace 102: heating furnace body
110: roller member 111: roller body
112: rotating shaft 120: bearing member
121: bearing box 130: cooling unit
131: cooling member 132: refrigerant circulation space
133: cooling piping 134: cooling pump
140: cooling guide unit 141: cooling guide chamber
142: sealing space 143: drain pipe
144: drain valve 150: fastening member
160: control unit 161: detection member
162: display member

Claims (6)

A roller member provided with a plurality of inside the heating furnace;
A bearing member present outside the heating furnace and provided on a rotating shaft of the roller member;
A cooling unit disposed outside the roller member and outside the heating furnace, and facing the bearing member and the rotating shaft; And
Includes a cooling guide unit disposed between the cooling unit and the heating furnace facing the rotating shaft;
The cooling unit,
Refrigerant is provided to circulate therein,
The cooling guide unit,
It is provided to receive the refrigerant flowing out of the cooling unit and move it to the outside of the heating furnace,
The bearing member, the cooling unit and the cooling guide unit,
A plurality is provided, and is provided to correspond one-to-one to the rotating shaft of the roller member,
The cooling unit includes a refrigerant circulation space therein, and a cooling member disposed between the bearing member and the cooling guide unit.
The cooling guide unit includes a cooling guide chamber having a sealing space therein and restricting the refrigerant coming out of the refrigerant circulation space by coming into contact with the cooling member and the heating furnace into the heating furnace;
A drain pipe connected to the cooling guide chamber to communicate with the sealing space; And
Includes; drain valve provided on the drain pipe;
Further comprising; a control unit connected to each of the drain pipe to detect the flow inside the drain pipe;
The control unit includes a sensing member provided in the drain pipe to sense the flow inside the drain pipe; And
And a display member connected to the sensing member and displaying flow information inside the drain pipe sensed by the sensing member.
According to claim 1,
The cooling unit,
A cooling pipe connected to the cooling member to communicate with the refrigerant circulation space and provided to circulate the refrigerant in the refrigerant circulation space; And
A cooling pump connected to the cooling pipe;
Transfer roller device of the heating furnace further comprising a.
delete According to claim 1,
The cooling guide unit,
A sealing member disposed between the rotating shaft and the cooling guide chamber to seal the sealing space;
Transfer roll device of the heating furnace further comprising.
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