KR20170064361A - Manufacturing and drying device of sintered material - Google Patents

Manufacturing and drying device of sintered material Download PDF

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Publication number
KR20170064361A
KR20170064361A KR1020150170071A KR20150170071A KR20170064361A KR 20170064361 A KR20170064361 A KR 20170064361A KR 1020150170071 A KR1020150170071 A KR 1020150170071A KR 20150170071 A KR20150170071 A KR 20150170071A KR 20170064361 A KR20170064361 A KR 20170064361A
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South Korea
Prior art keywords
raw material
hot air
blower
sinter
present
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KR1020150170071A
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Korean (ko)
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KR101759693B1 (en
Inventor
최충달
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티피에스 주식회사
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    • 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
    • F27D3/0033—Charging; Discharging; Manipulation of charge charging of particulate material
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • C22B1/20—Sintering; Agglomerating in sintering machines with movable grates
    • C22B1/205—Sintering; Agglomerating in sintering machines with movable grates regulation of the sintering process
    • 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
    • F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
    • F27D2003/0063—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising endless belts

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The present invention relates to a sintering raw material producing apparatus (110) for producing a raw material for sinter (A); A conveyor 120 for conveying the sintering raw material A produced in the sintering raw material producing machine 110; And a discharge chute 130 formed at the rear of the conveyor 120. The sintering raw material manufacturing machine 110 includes a body 110 having an input portion 111a for receiving a raw powder material in powder form A rotating body 112 installed to be rotatable in the body 111, a driving unit 113 rotating the rotating body 112, a hardening agent injected into the rotating body 112, And a supply unit 115 for supplying a hardening agent to the jetting unit 114. The conveyor 120 includes a hot air supply pipe 121 formed in a longitudinal direction at an upper portion thereof; A blower 122 connected to the hot air supply pipe 121 to generate hot air; And a control unit 123 for controlling the hot air temperature of the blower 122. The discharge chute 130 includes a discharge pipe 131 having a spiral shape whose diameter gradually decreases from the upper part to the lower part, The present invention provides an apparatus for producing and drying a raw material for sinter, and the present invention has the effect of improving the transportation efficiency by manufacturing and drying a raw material for sinter. Further, the present invention has an effect of drying the raw material for sinter by using hot air generated in the blower. The present invention has the effect of drying the raw material for sinter by controlling the temperature of hot air according to the moisture content of the raw material for sinter. On the other hand, the present invention has an effect of preventing frequent breakdown of the blower and improving service life by controlling the starting current of the blower. In addition, the present invention has the effect of minimizing the impact of the sintered raw material falling into the discharge chute, thereby preventing damage and damage.

Figure P1020150170071

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a sintering raw material manufacturing apparatus and a drying apparatus, and more particularly, to a sintering raw material manufacturing and drying apparatus capable of producing a sintering raw material and drying the surface thereof, .

Generally, raw materials for sinter are manufactured to have a certain diameter and then supplied to a subsequent process using a conveyor.

However, conventionally, there has been a problem that the sintering raw material is easily broken or damaged due to the impact generated during the transportation of the sintered raw material in a state containing a certain amount of water or during the transportation to a subsequent process.

Particularly, the raw material of the sinter is easily broken or damaged and dust is generated and the working efficiency of the subsequent process is lowered.

In addition, the sintering raw materials including water are sticking to each other, which has a problem of lowering the transport efficiency.

In addition, conventionally, the raw material for sinter is dried by using a drier, but it has a problem that the structure is complicated and operation efficiency is lowered because it needs to include a separate hot air heater or a heater.

Korean Patent No. 10-0962661 (2010.06.11) Korean Patent No. 10-1275367 (June 17, 2013) Korean Patent No. 10-1439243 (2014.09.11)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

An object of the present invention is to provide a sintering raw material manufacturing and drying apparatus capable of preventing cracking and damage of a sintering raw material by preparing and drying a raw material for sintering.

Another object of the present invention is to provide a sintering raw material manufacturing and drying apparatus capable of drying a sintering raw material by supplying hot air generated from a blower to an upper portion of a conveyer for conveying a raw material for sintering.

Another object of the present invention is to provide a sintering raw material manufacturing and drying apparatus capable of drying the sintering raw material by controlling the temperature of hot air according to the moisture content of the raw sintering raw material.

It is another object of the present invention to provide a manufacturing and drying apparatus for a raw material for sinter which can improve the drying efficiency of the raw material for sinter by controlling the starting current of the blower.

Another object of the present invention is to provide a sintering raw material manufacturing and drying apparatus capable of preventing cracks and damage caused by sintering raw material falling off.

In order to accomplish the above object, the present invention provides an apparatus (100) for manufacturing and drying a raw material for sinter,

A sintering raw material producing apparatus (110) for producing a raw sintering material (A); A conveyor 120 for conveying the sintering raw material A produced in the sintering raw material producing machine 110; And a discharge chute (130) formed at the rear of the conveyor (120)

The sintering raw material producing machine 110 includes a body 111 having an input portion 111a for receiving a sinter raw material powder in an upper portion or a side portion thereof, A driving unit 113 for rotating the rotating body 112, a jetting unit 114 for jetting a hardening agent into the rotating body 112, a supply unit for supplying a hardening agent to the jetting unit 114, And the conveyor 120 includes a hot air supply pipe 121 formed in a longitudinal direction at an upper portion thereof; A blower 122 connected to the hot air supply pipe 121 to generate hot air; And a control unit 123 for controlling the hot air temperature of the blower 122. The discharge chute 130 includes a discharge pipe 131 having a spiral shape whose diameter gradually decreases from the upper part to the lower part, .

Here, the rotating body 112 is formed so that its diameter gradually increases from the lower part to the upper part.

Particularly, a sealing cover 120a is formed on the conveyor 120 along the longitudinal direction, and a discharge port 120b is provided on one side of the upper portion of the sealing cover 120a.

In addition, a plurality of supply nozzles 121a are provided on the lower surface of the hot air supply pipe 121 so as to be spaced apart from each other in the longitudinal direction.

The control unit 123 may include a timer connected to the blower 122 and may include a transformer for sequentially increasing the starting current of the blower 122 after a predetermined time has passed in the timer .

Wherein the transformer connects the plurality of electromagnetic contactors connected to the timer and connected or disconnected over a predetermined period of time in parallel with each other.

The present invention has the effect of improving the transportation efficiency by manufacturing and drying the raw material for sinter.

Further, the present invention has an effect of drying the raw material for sinter by using hot air generated in the blower.

The present invention has the effect of drying the raw material for sinter by controlling the temperature of hot air according to the moisture content of the raw material for sinter.

On the other hand, the present invention has an effect of preventing frequent breakdown of the blower and improving service life by controlling the starting current of the blower.

In addition, the present invention has an effect of minimizing the impact of the sintered raw material falling into the discharge chute, thereby preventing damage and damage.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a conceptual diagram showing the construction of a manufacturing apparatus for a sintering raw material and a drying apparatus according to the present invention. FIG.
2 is a cross-sectional view illustrating the configuration of a conveyor and a hot air supply pipe in the present invention.
3 is a reference diagram for illustrating the operation state of the apparatus for producing and sintering raw materials of the present invention.

As described above, the construction of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a conceptual view for showing the construction of a raw material for sinter and a drying apparatus according to the present invention, FIG. 2 is a cross-sectional view showing the constitution of a conveyor and a hot air supply pipe in the present invention, And a reference diagram for indicating an operating state of the drying apparatus.

The present invention relates to a sintering raw material producing apparatus (110) for producing a raw material for sinter (A); A conveyor 120 for conveying the sintering raw material A produced in the sintering raw material producing machine 110; And a discharge chute (130) formed at the rear of the conveyor (120)

The sintering raw material producing machine 110 includes a body 111 having an input portion 111a for receiving a sinter raw material powder in an upper portion or a side portion thereof, A driving unit 113 for rotating the rotating body 112, a jetting unit 114 for jetting a hardening agent into the rotating body 112, a supply unit for supplying a hardening agent to the jetting unit 114, And the conveyor 120 includes a hot air supply pipe 121 formed in a longitudinal direction at an upper portion thereof; A blower 122 connected to the hot air supply pipe 121 to generate hot air; And a control unit 123 for controlling the hot air temperature of the blower 122. The discharge chute 130 includes a discharge pipe 131 having a spiral shape whose diameter gradually decreases from the upper part to the lower part .

In the present invention, the sintering raw material producing device 110 is a means for producing a powdered raw material having a predetermined diameter and supplying the same to the upper portion of the conveyor 120.

Particularly, the rotating body 112 is supplied with powdery sintering raw material to be supplied to the inside of the rotating body 112 through the input part 111a, and rotates by the operation of the driving part 113.

Here, the driving unit 113 may rotate the rotating body 112 at a constant speed using a speed reducer and a motor.

In addition, the hardening agent is applied to the inside of the rotating body 112 by the operation of the supplying part 115, so that the sintering raw material in powder form is made into a raw material for sinter having a certain diameter by the centrifugal force.

Here, the supply part 115 uses a pump, a hardening agent storage tank or the like to store a hardening agent and generate a discharge pressure to apply a hardening agent, and the jetting part 114 is provided on the inner side of the rotating body 112 And a plurality of spraying nozzles (not shown) are provided on the surface of the rotating body 112 so as to be spaced apart from the surface of the rotating body 112 uniformly.

Meanwhile, as shown in FIG. 3, the rotating body 112 gradually increases in diameter from the lower part to the upper part. As the rotating body 112 rotates, the sintered raw material produced with a constant diameter by centrifugal force gradually rises It can be passed over the upper part of the rotating body 112 and into the inside of the body 111 to be supplied to the upper part of the conveyor 120. [

In addition, the conveyor 120 moves the belt to supply the sintering raw material A to the discharge chute 130.

At this time, a sealing cover 120a is formed on the conveyor 120 along the longitudinal direction to minimize the outflow of hot air and to prevent the sintered raw material A from scattering or shining around.

The closed cover 120a is formed to be openable and closable by an operator and a discharge port 120b is provided on an upper side of the closed cover 120a so that hot air circulates through the conveyor 120, .

The blower 122 generates hot air and supplies the hot air to the hot air supply pipe 121.

At this time, the blower 122 may generate hot air using a turbo blower or a ring blower.

Particularly, the blower 122 can control the temperature of the hot air based on a separate sensor capable of detecting the moisture in the air or the moisture state of the raw material for sinter (A).

The hot air supply pipe 121 is formed in the longitudinal direction on the conveyor 120 in a state of being connected to the blower 122 and has a plurality of supply nozzles 121a So that hot air can be uniformly sprayed onto the surface of the raw material for sinter (A).

In addition, the controller 123 may include a timer connected to the blower 122, and a transformer may be provided to sequentially increase the starting current of the blower 122 after the time set in the timer.

Here, the transforming unit connects the plurality of electromagnetic contactors connected to the timer and connected or disconnected in parallel to each other over a predetermined period of time.

At this time, it is natural that the timer can be adjusted and set by the operator according to the working environment and the drying efficiency of the raw material for sinter (A).

In particular, it is a matter of course that the number of the electromagnetic contactors to be installed forms a plurality of the number in accordance with the rising step with respect to the starting current of the blower 122.

Accordingly, the controller 123 connects or opens the plurality of electromagnetic contactors sequentially for a predetermined time, thereby increasing the starting current to a high voltage from a low voltage to control the starting current of the blower 122 to smoothly adjust the temperature of the hot air So that the drying efficiency of the sintering raw material (A) can be increased.

The discharge chute 130 includes a discharge pipe 131 having a spiral shape whose diameter gradually decreases from the upper part to the lower part. The raw material A is naturally spirally discharged, It is possible to prevent cracks and damage which occur as they fall off.

Although the embodiments of the present invention have been described above in detail, it is to be understood that the scope of the present invention is not limited to the above embodiments and that various changes and modifications may be made without departing from the scope of the present invention. Of course.

100: Production and drying apparatus of raw material for sinter of the present invention
110: Sinter raw material manufacturing machine 111: Body
111a: input portion 112: rotating body
113: driving part 114:
115:
120: Conveyor 120a: Sealed cover
120b: outlet 121: hot air supply pipe
121a: Supply nozzle 122: Blower
123:
130: Discharge chute 131: Discharge tube
A: Sintered raw material

Claims (6)

A sintering raw material producing apparatus (110) for producing a raw sintering material (A); A conveyor 120 for conveying the sintering raw material A produced in the sintering raw material manufacturing machine 110; And a discharge chute (130) formed at the rear of the conveyor (120)
The sintering raw material producing machine 110 includes a body 111 having an input portion 111a for receiving a sinter raw material powder in an upper portion or a side portion thereof, A driving unit 113 for rotating the rotating body 112, a jetting unit 114 for jetting a hardening agent into the rotating body 112, a supply unit for supplying a hardening agent to the jetting unit 114, And the conveyor 120 includes a hot air supply pipe 121 formed in a longitudinal direction at an upper portion thereof; A blower 122 connected to the hot air supply pipe 121 to generate hot air; And a control unit 123 for controlling the hot air temperature of the blower 122. The discharge chute 130 includes a discharge pipe 131 having a spiral shape whose diameter gradually decreases from the upper part to the lower part, Wherein the sintering raw material is in the form of powder. The apparatus for producing and drying a raw material for a sinter as set forth in claim 1, wherein the rotating body (112) is formed so as to gradually increase in diameter from the bottom to the top. The method according to claim 1, wherein a sealing cover (120a) is formed along the longitudinal direction on the conveyor (120), and a discharge port (120b) is provided on one side of the top of the sealing cover (120a) ≪ / RTI > The apparatus for producing and drying a raw material for a sinter as set forth in claim 1, wherein a plurality of supply nozzles (121a) are provided on a lower surface of the hot air supply pipe (121) so as to be spaced apart from each other in the longitudinal direction. The apparatus according to claim 1, wherein the controller (123) includes a timer connected to the blower (122), and a transformer for sequentially increasing a starting current of the blower (122) Wherein the sintering raw material is in the form of powder. [6] The apparatus of claim 5, wherein the transformer connects the plurality of electromagnetic contactors connected to the timer and connected or disconnected over a predetermined period of time, in parallel with each other.
KR1020150170071A 2015-12-01 2015-12-01 Manufacturing and drying device of sintered material KR101759693B1 (en)

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KR101759693B1 KR101759693B1 (en) 2017-07-20

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JP4604849B2 (en) * 2005-06-01 2011-01-05 住友金属工業株式会社 Granulation method of sintering raw material

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