KR20130098519A - Air supply pipe of annealing - Google Patents

Air supply pipe of annealing Download PDF

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Publication number
KR20130098519A
KR20130098519A KR1020120020093A KR20120020093A KR20130098519A KR 20130098519 A KR20130098519 A KR 20130098519A KR 1020120020093 A KR1020120020093 A KR 1020120020093A KR 20120020093 A KR20120020093 A KR 20120020093A KR 20130098519 A KR20130098519 A KR 20130098519A
Authority
KR
South Korea
Prior art keywords
transfer pipe
clamp
pipe
air supply
compression filter
Prior art date
Application number
KR1020120020093A
Other languages
Korean (ko)
Inventor
김길태
Original Assignee
현대제철 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대제철 주식회사 filed Critical 현대제철 주식회사
Priority to KR1020120020093A priority Critical patent/KR20130098519A/en
Publication of KR20130098519A publication Critical patent/KR20130098519A/en

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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/22—Arrangements of air or gas supply devices

Abstract

PURPOSE: An air supply pipe of an annealing furnace is provided to fix securely without using a separate fastening member in an installation of a combustion filter. CONSTITUTION: An air supply pipe of an annealing furnace comprises a combustion filter (100) inhaling an outside air, a transfer pipe (200), a connection pipe (120), a second joint part (210), multiple base parts, and a clamp (230). In a lower end circumference surface of the connection pipe, a first joint part is protruding and formed. The second joint part is combined with the first joint part. The base part is protruding from an upper circumference surface of the transfer pipe. The clamp is rotatable by being hinge-combined with the base part. The clamp fixes the first joint part by being adhered closely to an upper end of the transfer pipe when the transfer pipe and the combustion filter are combined.

Description

Air supply pipe of annealing furnace {AIR SUPPLY PIPE OF ANNEALING}

The present invention relates to an outside air supply pipe of an annealing furnace that sucks and transfers outside air to supply oxygen to a burner such as an electric furnace or annealing furnace, and a transfer pipe for transferring sucked outside air, and installed on an upper portion of the transfer pipe. The present invention relates to an external air supply pipe of an annealing furnace that allows a simple and robust coupling of a compression filter to remove dust or foreign substances contained in air.

In general, the annealing furnace is a facility for annealing while continuously connecting the iron plate, it can be largely divided into preheating zone, heating zone, overageing zone, slow cooling zone and quenching zone.

Among them, the heating table is a place where recrystallization is performed by heating to a high temperature in order to remove the residual stress of the iron plate, a plurality of radiant radiant tubes are installed between the moving iron plate, the burner for heating the iron plate is provided therein do.

As a related art in this regard, Korean Patent Publication No. 2010-0136755 (2010.12.29., Annealing furnace heating device) is.

The present invention is a compression filter for intake of outside air, and a transfer pipe for transporting the intake outside air is mounted on the upper portion of the compression filter, it is firmly fixed without using a separate fastening member when mounting the compression filter The purpose is to provide an external air supply line for the annealing furnace.

And when coupling the compression filter in the upper portion of the transfer pipe, the compression filter is guided by the inclined surface of the clamp to provide an external air supply pipe of the annealing furnace to simplify their coupling.

In addition, it provides an external air supply pipe of the annealing furnace that does not require a separate sealing (sealing) process when combining the transfer pipe and the compression filter by the above operation.

In order to solve the above problems,

The present invention is a compression filter for intake of outside air, and the transfer pipe is mounted on the upper portion to transfer the intake of the outside air, provided in the lower portion of the compression filter, the first peripheral surface A connecting tube having a coupling portion protruding from the upper peripheral surface of the transfer tube, and a second coupling portion protruding from the upper peripheral surface of the transfer tube, and protruding from the upper peripheral surface of the transfer tube, A plurality of base parts and one end of which the insertion groove is formed in a horizontal direction with respect to the direction in which the compression filter is coupled to the pipe and one end is inserted into the insertion groove and hinged to the base part to be rotatable, the transfer pipe and the compression filter It includes a clamp that is in close contact with the upper end of the transfer pipe when firmly fixed to the first coupling portion.

The clamp is formed with an inclined surface for guiding the connecting pipe on the inner surface in contact with the first coupling portion.

The clamp is provided with a locking step for fixing the first coupling portion on the inner surface in contact with the first coupling portion.

In addition, the clamp is inserted into the mounting groove recessed in the inner surface in contact with the first coupling portion, the elastic spring seated in the seating groove and the seating groove and supported by the elastic spring, and outwardly of the seating groove. It further includes a locking pin that is formed integrally the locking projection exposed.

On the other hand, the guide groove is formed in the upper surface of the transfer pipe and the guide protrusion is formed in the lower surface of the connecting pipe is inserted into the guide groove is further provided does not require a separate sealing process.

According to the solution of the above problems,

The present invention transfers the compression filter by using a crane or a crane is located on the upper portion of the transfer pipe and then lowered to guide the first coupling portion to the second coupling portion on the inclined surface of the clamp to facilitate the coupling between the transfer tube and the compression filter. It works.

In addition, when the first coupling part and the second coupling part are assembled, the clamp firmly fixes the first coupling part, thereby eliminating the need for a separate fastening operation.

In particular, the clamp is provided with a locking jaw to be caught on the upper end of the first coupling portion, or a recessed groove recessed in the inner surface of the clamp in contact with the first coupling, the elastic spring to be seated in the mounting groove and the mounting groove It is inserted into and supported by an elastic spring and is provided with a locking pin integrally formed with a locking projection exposed to the outside of the seating groove has the effect of improving the coupling force of the compression filter.

In addition, the guide protrusion of the compression filter is inserted into the guide groove of the transfer pipe, there is an effect that does not require a separate sealing work.

1 is a perspective view showing an outside air supply pipe of the annealing furnace according to the present invention.
2 shows the operation of the clamp according to the invention;
3 is a cross-sectional view of an outside air supply pipe of the annealing furnace according to the present invention.
4 shows another embodiment of a clamp according to the invention.

Hereinafter, with reference to the accompanying drawings, the air supply pipe of the annealing furnace according to the present invention will be described.

1 is a perspective view showing the outside air supply pipe of the annealing furnace according to the present invention, Figure 2 is a view showing the operation of the clamp according to the present invention, Figure 3 is a view of the outside air supply pipe of the annealing furnace according to the present invention A cross section is shown, and FIG. 4 is a diagram showing another embodiment of the clamp according to the present invention.

Referring to Figure 1, the outside air supply pipe of the annealing furnace according to the present invention is a compression filter 100 for intake of the outside air, and the transfer pipe 100 is mounted on the upper transfer pipe for transferring the intake air In (200), the connection pipe 120 is provided on the lower portion of the compression filter 100 and the first coupling portion 130 protrudes on the lower peripheral surface, and the upper peripheral surface of the transfer tube 200 Protruding from the second coupling portion 210 is coupled to the first coupling portion 130 and protruding from the upper circumferential surface of the transfer pipe 200, the outer surface and the compression filter on the transfer pipe 200 A plurality of base portions 220 and one end of which the insertion groove 221 is formed in a horizontal direction with respect to the direction in which the 100 is coupled are inserted into the insertion groove 221 and hinged to the base portion 220 to be pivotable. When the transfer pipe 200 and the compression filter 100 is coupled to the upper end of the transfer pipe 200 is in close contact with the first coupling portion 130 Firmly and a clamp 230 for fixing.

The first coupling portion 130 is a flange shape extending integrally from the lower end of the connecting pipe 120 is formed integrally, the second coupling portion 210 is the same as the first coupling portion 130, It extends outward from the upper circumferential surface of the transfer pipe 200 is a flange shape integrally formed.

The compression filter 100 is a housing shape having a space formed therein, and the filter 110 is mounted on a part of the outer wall to remove dust or foreign matter contained in the outside air.

The base portion 220 is formed to protrude from the upper circumferential surface of the transfer pipe 200, the outer surface of the insertion groove in a horizontal direction with respect to the direction in which the compression filter 100 is coupled to the transfer pipe 200 ( 221 is formed.

The base portion 220 is integrally formed on the upper outer circumferential surface of the transfer tube 200 or welded to the outer circumferential surface of the transfer tube 200.

1 and 2, the clamp 230 is hinged to the insertion groove 221 to be rotatable.

Accordingly, the clamp 230 may be rotated around the hinged portion as a central axis.

One end of the clamp 230 is inserted into the insertion groove 221 and hinged to the base part 220 to be rotatable, and the transfer pipe 200 when the transfer pipe 200 and the compression filter 100 are coupled to each other. It is in close contact with the upper end of the first coupling portion 130 is firmly fixed.

If necessary, the hinge used for the hinge coupling uses an elastic hinge, so that the clamp 230 can be held in an upward direction of the transfer pipe 200 as shown in FIG. 1. It is preferable.

An inclined surface that can guide the connecting pipe 120 when the compression filter 100 is coupled to the transfer pipe 200 on the inner surface of the clamp 230, that is, the part that is in contact with the first coupling part 130. 231 is formed.

The compression filter 100 is moved to the upper portion of the transfer pipe 200 by a crane or a crane, and is seated on the upper end of the transfer pipe 200 by an operator's operation, and the upper end of the transfer pipe 200. The first coupling portion 130 and the second coupling portion 210 are coupled to the correct position by a base portion 220 provided on the circumferential surface and a clamp 230 hinged to the base portion 220. Will be.

In addition, the inner surface of the clamp 230 is provided with a locking projection 232 protruding from the portion in close contact with the first coupling portion 130 when the transfer pipe 200 and the compression filter 100 is coupled to these To further solidify the state.

Meanwhile, as shown in FIG. 4, the clamp 230 includes a mounting groove 233 recessed from an inner side contacting the first coupling part 130 and an elastic spring seated in the mounting groove 233. The locking pin 236 is inserted into the seating groove 233 and carried by the elastic spring 234, and a locking pin 236 integrally formed with the locking protrusion 235 exposed to the outside of the seating groove 233. It may be further included.

By such a configuration, the first coupling part 130 is lowered while being guided along the inclined surface 231 of the clamp 230 when the compression filter 100 is coupled, and the locking pin is engaged by the first coupling part 130. When the 236 is pushed into the mounting groove 233 and the compression filter 100 is completely seated, the locking pin 236 protrudes from the mounting groove 233 again so that the locking protrusion 235 is coupled to the first coupling. The upper surface of the unit 130 is fixed.

In the present invention, the transfer pipe 200 is formed with a guide groove 237 recessed downward from the upper surface thereof, and a guide protrusion inserted downward from the bottom surface of the connection pipe 120 to be inserted into the guide groove 237. 140 is further provided.

That is, as shown in Figure 3, when the combination filter 100 is coupled to the transfer pipe 200, the first coupling portion 130 of the compression filter 100 is the inclined surface of the clamp 230 Guided to the correct position along the 231 is seated on the second coupling portion 210, the locking jaw 232 or the locking projection 235 of the clamp 230 on the upper surface of the first coupling portion 130 The locking is fixed to keep the coupling state between the transfer pipe 200 and the compression filter 100 more firmly.

At this time, the guide protrusion 140 is inserted into the guide groove 237 to further improve the coupling force, as well as a separate sealing between the first coupling portion 130 and the second coupling portion 210. Even without the operation, it is possible to prevent the air in the delivery pipe 200 from leaking to the outside, or the foreign matter not passing through the filter 110 into the delivery pipe 200.

The process of combining the above-described external air supply pipe of the annealing furnace will be described in more detail with reference to FIG. 2 as follows.

The compression filter 100 is lifted up using a crane or a crane and then moved upward to the upper portion of the transfer pipe 200 to slowly descend.

When the compression filter 100 is lowered to reach a height at which the first coupling part 130 is in contact with the inclined surface 231 of the clamp 230, the outer diameter of the first coupling part 130 is increased in the feed pipe 200. Guided by the inclined surface 231 of the clamp 230 located in all directions from the circumferential surface is lowered to be accurately seated on the second coupling portion (210).

Thereafter, when the compression filter 100 is completely seated, as illustrated in FIG. 2, the locking jaw 232 of the clamp 230 is caught on the upper surface of the first coupling part 130 to transfer the pipe 200. ) And the combination filter 100 are more firmly coupled.

Alternatively, the first coupling part 130 is guided by the inclined surface 231 of the clamp 230 and descends, so that the first coupling part 130 pushes the locking protrusion 235 outward to the locking pin 236. ) Is further pushed into the seating groove 233, the first engaging portion 130 is fully seated in the second coupling portion 210 by the elastic restoring force of the elastic spring 234 in the seating groove 233 236 is pushed back to the outside of the seating groove 233 so that the locking projection 235 is caught on the upper surface of the first coupling portion 130 to more firmly bond between the transfer pipe 200 and the compression filter 100. Will be done.

In addition, the guide protrusion 140 is inserted into the guide groove 237 formed on the upper surface of the transfer pipe 200 to increase the coupling force between the transfer pipe 200 and the compression filter 100, as well as the combination thereof. Sealing the gap in the area.

As described above, the external air supply pipe of the annealing furnace according to the present invention, when the combination filter 100 is coupled to the transfer pipe 200, it is not necessary to use a separate bolt and nut, fastening using a bolt and nut If you need to match the position of the fastening hole to insert the bolt to each other takes a lot of work time, while lowering the compression filter 100 in the upper portion of the transfer pipe 200 guides the coupling position by the clamp 230 The first coupling part 130 and the second coupling part 210 may be firmly coupled by the locking protrusion 235 or the locking pin 236 of the clamp 230, and inserted into the guide groove 237. These coupling portions are sealed by the guide protrusions 140, thereby reducing the work time and labor required for coupling the transfer pipe 200 and the compression filter 100.

It will be understood by those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. It is self-evident.

100: Compression filter 110: Filter
120: connector 130: first coupling portion
140: guide protrusion
200: transfer pipe 210: second coupling portion
220: base portion 221: insertion groove
230: clamp 231: inclined surface
232: locking jaw 233: seating groove
234: elastic spring 235: locking projection
236: locking pin 237: guide groove

Claims (5)

In the compression filter for taking in the outside air and the transfer pipe is mounted on the upper portion and transfers the intake outside air,
A connection tube provided below the compression filter and having a first coupling part protruding from a lower circumferential surface thereof;
A second coupling part protruding from an upper circumferential surface of the transfer pipe and coupled to the first coupling part;
A plurality of base portions protruding from an upper circumferential surface of the transfer pipe and having an insertion groove formed in a horizontal direction with respect to a direction in which the compression filter is coupled to the transfer pipe; And
One end is inserted into the insertion groove is hinged to the base portion is rotatable, the clamp is in close contact with the upper end of the transfer pipe when fixing the transfer pipe and the compression filter to secure the first coupling portion; Air supply pipe of the annealing furnace. The method according to claim 1,
The clamp
The external air supply pipe of the annealing furnace, characterized in that the inclined surface for guiding the connecting pipe is formed on the inner surface in contact with the first coupling portion. The method according to claim 1,
The clamp
The outside air supply pipe of the annealing furnace characterized in that the locking step for fixing the first coupling portion is formed on the inner surface in contact with the first coupling portion. The method according to claim 1,
The clamp
A seating recess recessed in an inner surface in contact with the first coupling part;
An elastic spring seated in the seating groove; And
And an engaging pin inserted into the seating groove and supported by an elastic spring and having a locking protrusion integrally formed to be exposed to the outside of the seating groove. The method according to claim 1,
A guide groove recessed in an upper surface of the transfer pipe; And
Protruding from the lower surface of the connecting pipe is inserted into the guide groove; Outside air supply pipe of the annealing furnace characterized in that it is further provided.
KR1020120020093A 2012-02-28 2012-02-28 Air supply pipe of annealing KR20130098519A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120020093A KR20130098519A (en) 2012-02-28 2012-02-28 Air supply pipe of annealing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120020093A KR20130098519A (en) 2012-02-28 2012-02-28 Air supply pipe of annealing

Publications (1)

Publication Number Publication Date
KR20130098519A true KR20130098519A (en) 2013-09-05

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KR1020120020093A KR20130098519A (en) 2012-02-28 2012-02-28 Air supply pipe of annealing

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190068846A (en) 2017-12-11 2019-06-19 주식회사 포스코 Heat Exchanger for Annealing Furnace
CN112643600A (en) * 2020-12-21 2021-04-13 安徽美博智能科技有限公司 Automatic air conditioner filter screen mounting process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190068846A (en) 2017-12-11 2019-06-19 주식회사 포스코 Heat Exchanger for Annealing Furnace
CN112643600A (en) * 2020-12-21 2021-04-13 安徽美博智能科技有限公司 Automatic air conditioner filter screen mounting process

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