KR200477943Y1 - heating apparatus - Google Patents

heating apparatus Download PDF

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Publication number
KR200477943Y1
KR200477943Y1 KR2020150000364U KR20150000364U KR200477943Y1 KR 200477943 Y1 KR200477943 Y1 KR 200477943Y1 KR 2020150000364 U KR2020150000364 U KR 2020150000364U KR 20150000364 U KR20150000364 U KR 20150000364U KR 200477943 Y1 KR200477943 Y1 KR 200477943Y1
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KR
South Korea
Prior art keywords
furnace body
bogie
heater
heating chamber
gap
Prior art date
Application number
KR2020150000364U
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Korean (ko)
Inventor
채희곤
김균영
Original Assignee
삼현테크(주)
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Publication date
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Priority to KR2020150000364U priority Critical patent/KR200477943Y1/en
Application granted granted Critical
Publication of KR200477943Y1 publication Critical patent/KR200477943Y1/en

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    • 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
    • F27B3/18—Arrangements of devices for charging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/12—Travelling or movable supports or containers for the charge
    • F27D3/123—Furnace cars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D5/00—Supports, screens, or the like for the charge within the furnace
    • F27D5/0062—Shields for the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/12—Travelling or movable supports or containers for the charge
    • F27D2003/125—Charging cars, lift trolleys

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)

Abstract

The present invention relates to a heating apparatus of a new structure capable of effectively sealing a gap between a furnace body and a bogie.
The heating device according to the present invention includes inner and outer extension blades 13 and 44 extending downward from the inner circumferential portion of the furnace body 10 and the outer circumferential portion of the heat resistant panel 43 of the support base 42, A sealing member 50 which is provided at a peripheral portion of the bogie 40 so as to be movable up and down together with the bogie 40 and a sealing member 50 provided at an inner lower side of the bogie body 10, A plurality of guide members 60 having extended cam faces 61 are provided so that when the carriage 40 is inserted into the inside of the furnace body 10 the closure member 50 is lifted along the cam face 61 So that the sealing member 50 is engaged with the inner and outer extension blades 13 and 44 to seal the gap G between the furnace body 10 and the truck 40, 40 is moved to the outside of the furnace body 10, the closure member 50 is automatically lowered, and the closure member 50 is moved downward (13).
Therefore, it is possible to effectively seal the gap G between the bogie 40 inserted into the inside of the furnace body 10 and the furnace body 10 without using any additional power, and the structure is very simple The operation reliability is high.

Figure R2020150000364

Description

[0001]

The present invention relates to a heating apparatus of a new structure capable of effectively sealing a gap between a furnace body and a bogie.

In general, a heating apparatus such as a heating furnace for heating a metal member to be forged or rolled or a heating furnace used for heating a metal member to heat the furnace, A furnace main body 10 in which a heating chamber 11 is formed and a door 12 is provided at a front side thereof and a bogie 40 which can be taken in and out of the furnace main body 10 through the door 12, A heater 20 provided in the furnace body 10 for heating an object placed on the furnace 40 and an exhaust pipe connected to the furnace body 10.

At this time, a rail 41 extending from the front of the furnace body 10 to the inside of the furnace body 10 through the door 12 is provided on the bottom surface of the furnace body 10.

The bogie 40 includes a support 42 having a plurality of wheels 42a mounted on the rail 41 and a bogie 42a formed of a heat resistant material, And a heat-resistant panel 43 so as to be able to load the object on the upper surface of the heat-resistant panel 43.

The heater 20 uses a burner that generates heat by burning fuel.

Therefore, when the door 12 is opened, the bogie 40 having the object mounted thereon is inserted into the furnace body 10, the door 12 is closed, and the heater 20 is operated The object can be heated.

3, when the bogie 40 is inserted into the inside of the furnace body 10, the circumferential surface of the furnace body 40 and the peripheral surface of the furnace body 10 A gap G is formed between the inner circumferential surface of the bogie body 40 and a gap between the bogie 40 and the furnace body 10 when heating the object placed on the bogie 40 using the heater 20 The heat is discharged to the lower side of the truck 40 through the gates G.

Not only the thermal efficiency of the heating device is lowered but also the wheel 42a provided below the bogie 40 is heated by the heat discharged to the lower side of the bogie 40 through the gap G, And the environment around the furnace body 10 is deteriorated.

Recently, various kinds of sealing devices for sealing the gap G between the periphery of the carriage 40 and the furnace body 10 have been developed and used. However, such a sealing device is very complicated in structure The sealing device itself is thermally expanded by the heat flowing out through the gap G and it is difficult to effectively seal the gap G between the periphery of the bogie 40 and the furnace body 10. [

Therefore, there is a need for a new method to solve such a problem.

10-1458075, 10-1080369,

It is an object of the present invention to provide a heating apparatus of a new structure capable of effectively sealing a gap between a furnace body and a truck.

In order to accomplish the above object, the present invention provides a furnace body including a furnace body having a heating chamber to which an object to be heated is injected and having a door at the front thereof, And a heater (20) provided in the furnace body (10) for heating an object placed on the furnace (40). The heating furnace (10) The inner and outer extending blades 13 and 44 extending downward from the inner peripheral portion of the furnace body 10 and the outer circumferential portion of the heat resistant panel 43 of the support base 42, A sealing member 50 provided on the lower side of the furnace body 10 so as to be able to move up and down together with the carriage 40 and to be moved up and down from the front side to the rear side, The guide member 60 is formed with a plurality of guide members 60. When the carriage 40 is inserted into the inside of the furnace body 10, The member 50 is lifted along the cam surface 61 so that the closure member 50 is engaged with the inner and outer extension blades 13 and 44 so that the furnace body 10 and the carriage 40, And the gap G between them is sealed.

According to another aspect of the present invention, a rail 41 extending to the inside of the furnace body 10 is provided in front of the furnace body 10, and the bunch 40 is provided with a plurality And a heat resistant panel 43 provided on the upper surface of the support base 42. The sealing member 50 is formed in a rectangular frame shape A frame member 51 formed on the upper surface of the support member 42 so as to be vertically coupled to the elevation guide 45 provided at the periphery of the support member 42 and having a concave portion 51a formed thereon, And the lower ends of the inner extension blades 13 and the inner extension blades 13 are engaged with the rim 50. When the closure member 50 is lifted by the guide member 60, Resistant powder 52 of the member 51 so that the gap G between the furnace body 10 and the periphery of the truck 40 is sealed The heating device according to Gong, is provided.

According to another aspect of the present invention, an exhaust pipe 30 provided at one side of the furnace body 10 and having a damper 70 at an intermediate portion thereof is connected to the heating chamber 11 An air pressure sensor 90 provided in the furnace body 10 for measuring the air pressure in the heating chamber 11 and an air pressure sensor 90 for measuring the air pressure inside the heating chamber 11, Further comprising a control unit (100) for receiving the signal of the heater (20) and controlling the damper (70), the air supply means (80) and the heater (20) When the operator operates the control switch 101, the control unit 100 controls the damper 70 to drive the air supply unit 80 while closing the exhaust pipe 30 Pressure air is supplied to the inside of the heating chamber 11 and a signal of the atmospheric pressure sensor 90 is received, A heating device, comprising a step on the heater 20 is provided must be elevated above the atmospheric pressure.

The heating device according to the present invention includes inner and outer extension blades 13 and 44 extending downward from the inner circumferential portion of the furnace body 10 and the outer circumferential portion of the heat resistant panel 43 of the support base 42, A sealing member 50 which is provided at a peripheral portion of the bogie 40 so as to be movable up and down together with the bogie 40 and a sealing member 50 provided at an inner lower side of the bogie body 10, A plurality of guide members 60 having extended cam faces 61 are provided so that when the carriage 40 is inserted into the inside of the furnace body 10 the closure member 50 is lifted along the cam face 61 So that the sealing member 50 is engaged with the inner and outer extension blades 13 and 44 to seal the gap G between the furnace body 10 and the truck 40, 40 is moved to the outside of the furnace body 10, the closure member 50 is automatically lowered, and the closure member 50 is moved downward (13).

Therefore, it is possible to effectively seal the gap G between the bogie 40 inserted into the inside of the furnace body 10 and the furnace body 10 without using any additional power, and the structure is very simple The operation reliability is high.

1 and 2 are side cross-sectional views showing a conventional heating apparatus,
3 is a front sectional view showing a conventional heating apparatus,
4 is a side sectional view showing a heating apparatus according to the present invention,
5 is a front sectional view showing a heating furnace of the heating apparatus according to the present invention,
FIG. 6 is a side view showing a bogie of a heating apparatus according to the present invention,
Fig. 7 is a front sectional view showing a bogie of the heating apparatus according to the present invention,
8 is a plan sectional view showing a sealing member of the heating apparatus according to the present invention,
9 and 10 are side cross-sectional views illustrating the operation of the heating device according to the present invention,
11 is a front sectional view showing the operation of the heating device according to the present invention,
12 is a side cross-sectional view showing a second embodiment of the heating apparatus according to the present invention,
13 is a circuit diagram showing a second embodiment of the heating apparatus according to the present invention.

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

4 to 11 illustrate a heating apparatus according to the present invention, in which a furnace body 10 in which a heating chamber 11 into which an object to be heated is placed and a door 12 is provided in front thereof, A bogie 40 that is capable of entering and exiting the inside of the furnace body 10 through the door 12 and a heater 20 provided in the furnace body 10 for heating an object placed on the bogie 40 And an exhaust pipe (30) connected to one side of the furnace body (10).

At this time, the door 12 is elevatably coupled to the furnace body 10 so as to lift the door 12 using the elevation driving mechanism 12a connected to the door 12, so that the furnace body 10 As shown in Fig.

A rail 41 extending to the inside of the furnace body 10 through the door 12 is provided in front of the furnace body 10.

The bogie 40 includes a support 42 having a plurality of wheels 42a mounted on the rail 41 and a heat resistant panel 43 formed on the upper surface of the support 42, ).

According to the present invention, the inner peripheral portion of the furnace body 10 and the inner and outer extended blades 13 and 44 extending downward from the outer peripheral portion of the heat resistant panel 43 of the support base 42, A sealing member 50 which is provided at a peripheral portion of the carriage 40 so as to be movable up and down together with the carriage 40 and a plurality of guide members 60 provided under the inside of the furnace body 10, .

The inner extension blade 13 is configured to extend downward in the form of a rectangular rim at an inner circumferential portion of the entire furnace body 10 including the door 12.

The outer extension blade 44 is configured to extend downward at an outer periphery of the heat-resistant panel 43 of the bogie 40 so as to form a quadrilateral shape smaller than the inner extension blade 13.

The inner and outer extension blades 13 and 44 are made of a metal material having a high strength and are integrally formed with the inner periphery of the furnace body 10 and the outer periphery of the heat- The lower ends of the inner and outer extension blades 13 and 44 are engaged with the sealing member 50 so that the entire gap G between the furnace body 10 and the support base 42 So as to be sealed.

The sealing member 50 is formed in the shape of a quadrangular rim and is connected to the lifting and lowering guide 45 provided at the periphery of the supporting frame 42. The frame member 51 has a concave portion 51a, And a heat resistant powder 52 filled in the concave portion 51a of the frame member 51.

8, the frame member 51 is configured in the form of a rectangular frame corresponding to the gap G formed between the carriage 40 and the carriage body 10, Is elevatably coupled to an elevation guide (45) provided at the periphery of a support (42)

7 and 10, the width of the concave portion 51a of the frame member 51 is wider than the interval between the inner and outer extending blades 13 and 44, The lower ends of the inner and outer extension blades 13 and 44 can be locked to the heat resistant powder 52 filled in the recess 51a.

In addition, the frame member 51 is coupled to the elevation guide so that its top is lowered until it is positioned lower than the lower ends of the inner and outer extended blades 13, 44.

An extension portion 54 extending downward from the lower edge of the frame member 51 and a support portion provided on the lower end of the extension portion 54 to be in close contact with the cam surface 61 of the guide member 60 Wheel 54 is provided.

The guide member 60 is formed of a metal material having a high strength and has a cam surface 61 extending upward from the front to the rear and a horizontal surface 61 on the rear side of the cam surface 61, (63) are formed.

9, when the carriage 40 is inserted into the furnace body 10, the guide wheel 60 is lifted up on the horizontal surface 63, (10).

The operation of the heating apparatus thus constructed will be described below.

4, when the carriage 40 is on the outside of the furnace body 10, the sealing member 50 is shown in Figs. 6 (a) and 7 (a) As described above, the lowered state is maintained.

9, when the carriage 40 is inserted into the inside of the furnace body 10, the support wheel 54 is guided by the guide member 60 , So that the sealing member 50 is raised.

6 (b) and Fig. 7 (b), the sealing member 50 is completely lifted up, and as a result, The lower ends of the inner and outer extension blades 13 and 44 are inserted into the heat resistant powder 52 of the closure member 50 so that the furnace body 10 and the supports 42 The gap G is sealed.

When the carriage 40 is moved to the outside of the furnace body 10 after the heating of the object mounted on the truck 40 is completed, the sealing member 50 is lowered along the cam surface 61 The coupling between the sealing member 50 and the inner and outer extension blades 13 and 44 is released and the bogie 40 can be taken out of the furnace body 10.

The heating device thus constructed includes inner and outer extension blades 13 and 44 extending downward from the inner periphery of the furnace body 10 and the outer periphery of the heat resistant panel 43 of the support 42, A sealing member 50 which is provided at a peripheral portion of the carriage 40 so as to be able to move up and down together with the carriage 40 and a sealing member 50 which is provided at an inner lower side of the furnace body 10, A plurality of guide members 60 having the cam surfaces 61 formed therein are provided so that the sealing member 50 is lifted along the cam surface 61 when the carriage 40 is inserted into the inside of the furnace body 10 The sealing member 50 meshes with the inner and outer extension blades 13 and 44 to seal the gap G between the furnace body 10 and the truck 40, Is moved to the outside of the main body 10, the sealing member 50 is automatically lowered, and the sealing member 50 is moved downward Thereby preventing interference with the raid 13.

Therefore, it is possible to effectively seal the gap G between the bogie 40 inserted into the inside of the furnace body 10 and the furnace body 10 without using any additional power, and the structure is very simple The operation reliability is high.

The sealing member 50 is formed in the shape of a rim of a quadrangle and is vertically coupled to an elevation guide provided at the periphery of the supporting frame 42 and has a frame member 51 having a concave portion 51a formed on its upper face, And a heat resistant powder 52 filled in the concave portion 51a of the frame member 51. When the closure member 50 is lifted by the guide member 60, The lower end of the inner extended blade 13 is inserted into the heat resistant powder 52 of the frame member 51 to seal the gap G between the furnace body 10 and the periphery of the truck 40. [

Therefore, there is an advantage that the gap G between the furnace body 10 and the periphery of the truck 40 can be sealed more effectively.

In the present embodiment, the heat resistant powder 52 is exemplified by using ordinary sand. However, the heat resistant powder 52 may be made of various materials other than the sand.

12 and 13 illustrate another embodiment of the heating apparatus according to the present invention in which a damper 70 is provided at an intermediate portion of the exhaust pipe 30 and the heating chamber 11 And an air supply means 80 for supplying high-pressure air to the inside of the indoor unit.

The damper 70 uses an electronic damper 70 which is actuated by an electrical signal to open and close the middle portion of the exhaust pipe 30.

The air supply means (80) uses an air compressor connected to the heating chamber (11).

The furnace body 10 is provided with an air pressure sensor 90 for measuring the air pressure in the heating chamber 11. The air pressure sensor 90 receives a signal from the air pressure sensor 90 and receives a signal from the damper 70 And a control unit 100 for controlling the air supply unit 80 and the heater 20 are connected.

At this time, the control unit 100 is provided with a control switch 101 for driving the heater 20.

When the operator operates the control switch 101, the control unit 100 closes the exhaust pipe 30 by controlling the damper 70 and drives the air supply means 80 to open the heating chamber 11 When the air pressure in the heating chamber 11 is raised to a predetermined air pressure or higher, the damper 70 is opened and the air is supplied to the inside of the heating chamber 11, The air in the heating chamber 11 is exhausted through the exhaust pipe 30 so that the inside of the heating chamber 11 is lowered to the atmospheric pressure and then the heater 20 is turned on.

In the heating apparatus thus constructed, an operator inserts a truck 40 into the furnace body 10, closes the door 12, and then operates the control switch 101 so that the heater 20 is turned on The high pressure air is supplied to the inside of the heating chamber 11 and the signal of the air pressure sensor 90 is monitored so that the furnace body 10, It can be confirmed whether or not the gap G between them is sealed properly.

That is, when the sealing member 50 is inserted into the furnace body 10, the sealing member 50 is pushed upward by the guide member 60 so that the inner and outer extended blades 13, The inner and outer extension blades 13 and 44 are provided on the heat resistant powder 52 in order to effectively seal the gap G by sealing the gap G by being embedded in the powder 52. [ It must be fully buried.

Since the heat resistant powder 52 uses ordinary sand, when the sealing member 50 is repeatedly lifted and lowered, the heat resistant powder 52 is applied to the concave portion 51a of the frame member 51 The inner and outer extension blades 13 and 44 can not be buried deep enough in the heat resistant powder 52 when the closure member 50 is lifted, There arises a problem that the gap G is not sufficiently sealed.

However, in the present embodiment, when the operator operates the control switch 101, the exhaust pipe 30 is closed by using the damper 70, and then the exhaust pipe 30 is closed by using the air supply means 80, It is confirmed that the atmospheric pressure inside the heating chamber 11 is elevated to a predetermined atmospheric pressure or more by observing that the atmospheric pressure inside the heating chamber 11 is elevated by using the atmospheric pressure sensor 90, It is determined that the gap G is completely sealed by the member 50 and the heater 20 is turned on so that the heater 20 is prevented from being turned on in a state in which the gap G is not completely sealed There is an advantage to be able to do.

At this time, it is also possible to connect the alarm unit to the control unit 100 so that the alarm G is activated when the gap G is not completely sealed, thereby alerting the operator.

10. Roof main body 20. Heater
30. Exhaust pipe 40. Bogie
50. Closure member 60. Guide member

Claims (3)

A furnace body 10 provided with a door 12 at the front and a rail 41 extending to the inside of the furnace body 10 at a front side thereof is provided with a heating chamber 11 to which an object to be heated is injected, );
A support base 42 having a plurality of wheels 42a mounted on the rail 41 so as to be able to enter and exit the inside of the furnace body 10 through the door 12, (40) including a heat-resistant panel (43) provided on the upper surface of the body (42);
A heater (20) provided in the furnace body (10) to heat an object placed on the truck (40);
Inner and outer extension blades (13, 44) extending downward from the inner periphery of the furnace body (10) and the outer periphery of the heat resistant panel (43) of the support base (42);
A closure member (50) provided on the periphery of the bogie (40) so as to be movable up and down together with the bogie (40); And
A plurality of guide members 60 provided on an inner bottom surface of the furnace body 10 and having a cam surface 61 extending upward from a front side to a rear side and having a horizontal surface 63 formed on the rear side thereof; , ≪ / RTI &
The sealing member 50 includes a frame member 51 which is vertically coupled to an elevation guide 45 provided at the periphery of the support frame 42 and has a concave portion 51a formed on an upper surface thereof, A heat resistant powder 52 filled in the concave portion 51a of the frame member 51 and an extension portion 53 extending downwardly at the lower circumferential portion of the frame member 51; And a support wheel (54) raised along a cam surface (61) of the guide member (60) and supported on a horizontal surface (63)
When the bogie 40 is inserted into the inside of the furnace body 10 so that the support wheel 54 of the closure member 50 rises along the cam surface 61 of the guide member 60, And the lower ends of the inner and outer extension blades 13 and 44 are inserted into the heat resistant powder 52 of the sealing member 50 so that the rod body 10 and the carriage 40 Which is a gap between the inner and outer surfaces,
And the heating device.
delete The method according to claim 1,
An exhaust pipe 30 provided at one side of the furnace body 10 and having a damper 70 at an intermediate portion thereof;
An air supply means (80) connected to the furnace body (10) for supplying high pressure air into the heating chamber (11);
An air pressure sensor (90) provided in the furnace body (10) for measuring the air pressure inside the heating chamber (11);
A control unit (100) for receiving the signal of the air pressure sensor (90) and controlling the damper (70), the air supply means (80) and the heater (20); , ≪ / RTI >
The control unit 100 is provided with a control switch 101 for driving the heater 20,
When the operator operates the control switch 101,
The control unit 100 controls the damper 70 to drive the air supply means 80 in a state in which the exhaust pipe 30 is closed so that high pressure air is supplied into the heating chamber 11, Receives the signal of the heater (90) and turns on the heater (20) only when the air pressure in the heating chamber (11) is raised to a predetermined atmospheric pressure or higher.
KR2020150000364U 2015-01-15 2015-01-15 heating apparatus KR200477943Y1 (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
KR2020150000364U KR200477943Y1 (en) 2015-01-15 2015-01-15 heating apparatus

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KR200477943Y1 true KR200477943Y1 (en) 2015-08-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200482385Y1 (en) * 2016-07-19 2017-01-17 안창준 heating furnace for casting product

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010032064A (en) * 2008-07-25 2010-02-12 Daido Steel Co Ltd Seal device of heating furnace
KR101458075B1 (en) * 2014-08-13 2014-11-05 강신복 Transporting cart for Heat treatment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010032064A (en) * 2008-07-25 2010-02-12 Daido Steel Co Ltd Seal device of heating furnace
KR101458075B1 (en) * 2014-08-13 2014-11-05 강신복 Transporting cart for Heat treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200482385Y1 (en) * 2016-07-19 2017-01-17 안창준 heating furnace for casting product

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