KR20160073221A - Apparatus for charging fine iron ore - Google Patents

Apparatus for charging fine iron ore Download PDF

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Publication number
KR20160073221A
KR20160073221A KR1020140181750A KR20140181750A KR20160073221A KR 20160073221 A KR20160073221 A KR 20160073221A KR 1020140181750 A KR1020140181750 A KR 1020140181750A KR 20140181750 A KR20140181750 A KR 20140181750A KR 20160073221 A KR20160073221 A KR 20160073221A
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KR
South Korea
Prior art keywords
pipe
gas
iron ore
minute
transportation
Prior art date
Application number
KR1020140181750A
Other languages
Korean (ko)
Inventor
정종헌
신명균
고창국
최무업
이달회
Original Assignee
주식회사 포스코
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.)
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Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to KR1020140181750A priority Critical patent/KR20160073221A/en
Priority to CN201510919013.3A priority patent/CN105688758A/en
Publication of KR20160073221A publication Critical patent/KR20160073221A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/34—Devices for discharging articles or materials from conveyor 
    • B65G47/46—Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S198/00—Conveyors: power-driven
    • Y10S198/959—Weighing

Abstract

An apparatus for charging fine iron ore is provided. According to the present invention, the apparatus for charging fine iron ore comprises: a transport pipe which transfers fine iron ore upward by inducing the flow of gas-fine iron ore using the gas; an expanding pipe which has a space wider than the transport pipe, reduces the driving force of the fine iron ore transported from the transport pipe, and separates the fine iron ore from the gas to allow the fine iron ore to sink; and a reactor which allows the fine iron ore sinking from the expanding pipe and supplied with reactive gas to have a chemical reaction.

Description

{APPARATUS FOR CHARGING FINE IRON ORE}

The present invention relates to an iron ore charging apparatus for separating iron ores shipped by a gas and charging the iron ore into a reactor, and more particularly, to an apparatus for charging iron ore that separates iron ores, The present invention relates to an iron ore charging apparatus capable of providing a gas-minute iron ore separation system.

Generally, techniques for extracting powder and transporting it to a reactor have been performed by various methods to date. The powder is extracted from the powdery sample container by using a screw type or the like and directly transported to the reactor, or a certain amount of the powder is taken out from the powdery sample container and then transported to the reactor using the carrier gas.

First, when a powder is directly extracted into a reactor using a screw, a means for transporting the powder to a position much higher than the reactor is required, and the height of the entire reactor is increased in order to press it into the reactor. In this case, when the powder is transported, a lot of light is generated, and when a lot of the non-spectroscopic light is contained, the toner is jammed in the screw, which makes it difficult to carry out the quantitative extraction.

Secondly, when a certain amount of powder is taken out of the powder sample container and then transported to the reactor using the carrier gas, the height of the entire reactor is lowered and the probability of occurrence of the dropping light is reduced. However, when the gas and the iron ore transported by the transport pipe are directly charged into the reactor, the transport gas mixes with the reactive gas in the reactor and plays a role of scattering the iron ore more in the flow reactor.

Accordingly, in order to solve such a problem, the present invention proposes an apparatus for providing an enlarged pipe having a baffle plate on a transportation pipe, separating the feed gas and mined iron ore from the pipe, and supplying the pipe to the reactor.

In the present invention, an enlarged pipe having a baffle plate is installed on a transportation pipe to lose the driving force of the iron ore to be shipped, so that the iron ore flows down and flows downward, and the gas flows upward, And then supplying the separated iron ore into the reactor.

According to an embodiment of the present invention, there is provided a method of manufacturing a nuclear reactor, comprising the steps of: introducing a gas-mining iron ore stream through a gas,

An enlargement pipe disposed above the transport pipe and having a wider space than the transport pipe to lose propulsion of the minute iron ore transported from the transport pipe and separate and precipitate the minute iron ore from the base,

And a reactor for causing the chemical reaction to occur by reacting the minute iron ores that have been settled and supplied from the enlarging tube with the reactive gas.

In accordance with another embodiment of the present invention, there is provided a method of manufacturing a nuclear reactor, comprising the steps of: transporting a gas-mined iron ore stream by a gas,

An enlargement pipe disposed at an upper portion of the transport pipe and having a wider space than the transport pipe to lose the propelling power of the minute iron ore transported from the transport pipe and to separate and precipitate minute iron ores from the base,

And is installed inside the enlarging pipe and has a larger diameter than that of the transporting pipe at the upper part of the transporting pipe to reduce the driving force of the minute iron ore transported from the transporting pipe, For this purpose,

A reactor for causing the chemical reaction to occur by reacting the minute iron ores that have been settled and supplied from the expansion tube with the reactive gas, and

And a gas separation device for separating a minute amount of iron ores remaining in the transportation gas separated from the expansion pipe having the obstruction plate and for separating and discharging the gas used for the transportation in the reaction pipe without injecting the gas into the reaction pipe, Can be provided.

The enlargement tube is installed inside the enlargement tube and has a larger diameter than the transportation tube at the upper part of the transportation tube to reduce a driving force of the minute iron ores transported from the transportation tube, It can have a baffle plate for spreading and spreading.

The upper end of the transport pipe may be composed of a taper pipe having a width gradually increasing toward the upper end thereof in order to reduce the driving force of the minute iron ores fed through the transport pipe and disperse the minute iron ores well.

The enlarging tube may have a diameter which is 5 to 10 times larger than the diameter of the transportation tube.

The inclined portion may be formed at the lower end of the enlargement tube to guide the iron ores precipitated by the enlargement tube to the reactor.

The obstruction plate may be positioned between the upper end of the enlargement tube and the upper end of the transport tube.

The obstruction plate may be formed in any one of circular, square, elliptical, and polygonal shapes in order to collide and spread the transported iron ores.

The baffle plate is formed in a net shape and spreads after colliding with the minute iron ore, so that it sinks downward and the gas can be separated upward.

The interrupting plate may be composed of a plurality of unit interrupters horizontally arranged at a predetermined interval.

The unit barrier plate may be formed in any one of circular, square, elliptical, and polygonal shapes.

The plurality of unit disturbing plates may be arranged in a plurality of rows.

A row of unit transfer plates may be arranged so as to form a zigzag shape with the unit row plates of the other rows.

And a gas separation device for separating a minute amount of iron ores remaining in the transportation gas separated from the expansion pipe having the obstruction plate and for separating and discharging the gas used for the transportation without injecting the gas into the reaction pipe.

The gas separating apparatus may be composed of a CYCLONE or a filter.

As in the prior art, when the gas transported through the transport pipe and the minute iron ore are directly charged into the reactor, the transport gas mixes with the reactive gas in the reactor and plays a role of scattering the minute iron ores in the flow reactor. In addition, if the feed gas is heterogeneous in chemical reactions, it will have a negative effect.

However, according to the embodiment of the present invention, in order to overcome such a problem, it is possible to provide an enlarged pipe having a diameter larger than that of the transportation pipe at the upper side of the transportation pipe to separate and separate the minute iron ore, . In addition, by effectively separating and discharging the feed gas, it is possible to minimize scattering of the iron ores in the reactor and adverse effects.

1 is a schematic configuration diagram of a powder iron ore charging apparatus according to a first embodiment of the present invention.
FIG. 2 is a schematic configuration diagram of a powder iron ore charging apparatus according to a second embodiment of the present invention.
3 is a schematic configuration diagram of a powder iron ore charging apparatus according to a third embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention. As will be readily understood by those skilled in the art, the following embodiments may be modified in various ways within the scope and spirit of the present invention. Wherever possible, the same or similar parts are denoted using the same reference numerals in the drawings.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The singular forms as used herein include plural forms as long as the phrases do not expressly express the opposite meaning thereto. Means that a particular feature, region, integer, step, operation, element and / or component is specified, and that other specific features, regions, integers, steps, operations, elements, components, and / And the like.

All terms including technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention belongs. Predefined terms are further interpreted as having a meaning consistent with the relevant technical literature and the present disclosure, and are not to be construed as ideal or very formal meanings unless defined otherwise.

The present invention relates to an apparatus for separating minute iron ores shipped by a gas and charging the same into a reactor and includes a transport pipe 100, an enlarging pipe 200 having an obstruction plate 210, a reactor 300 or a gas separator 400, And the like, which may be modified for the purposes of the present invention or installed with additional apparatus and are not limited to those described herein.

The transport pipe 100 is for guiding the gaseous-minute iron ore stream 10 by the gas to transport the gaseous iron ore upward.

The upper end of the transport pipe 100 is tapered so as to reduce the driving force of the iron ores fed through the transport pipe and gradually spread toward the upper end thereof in order to disperse the iron ores. And a pipe 110.

The enlarged pipe 200 is disposed at an upper portion of the pipe 100 and has a wider space than the pipe 100 so that the propelling power of the mined iron ore transported from the pipe 100 is lost, To precipitate.

The enlarged pipe 200 is installed in the enlarged pipe 200 and has a diameter larger than the diameter of the pipe 100 at the upper part of the pipe 100, It may have a baffle 210 for reducing the driving force of iron ore and for spreading the brittle iron ore.

The enlarged pipe 200 may have a diameter larger than the diameter of the transport pipe 100 and may have a diameter larger than 5 times the diameter of the transport pipe 100, The diameter of which is about 5 times to 10 times greater than the diameter of the inner surface of the substrate.

An inclined portion 220 may be formed at a lower end of the enlarged pipe 200 to guide the minute iron ore settled by the enlarged pipe 200 to the reactor 300 easily.

The inclined portion 220 may have a constant angular inclination angle with respect to the longitudinal direction (the vertical direction in FIG. 1) of the magnifying tube 200 so as to easily guide the minute iron ores to the reactor.

In the reactor 300, the minute iron ore that has been settled and supplied from the expansion pipe reacts with the reaction gas to cause a chemical reaction.

The gas separator 400 separates a minute amount of iron ores remaining in the transportation gas separated from the expansion pipe 200 having the obstruction plate 210 and injects the gas used for the transportation into the reaction tube 300 And discharges it separately. In addition, the gas separator 400 may be composed of a CYCLONE, a filter, or the like.

(First embodiment)

1, the apparatus for charging minute iron ore according to the first embodiment of the present invention comprises a transport pipe 100, an enlarging pipe 200 having an obstruction plate 210, a reactor 300, and the like, The gaseous-minute iron ore transported from the tube 100 is separated from the gas by sinking the minute iron ore in the enlarging tube 200 having the disturbing plate 210, To the reaction tube 300. Accordingly, the apparatus for charging minute iron ore according to the first embodiment of the present invention comprises a main component as an apparatus for separating the gas transported from the transport pipe and the minute iron ore, but is not limited thereto.

 The transport pipe 100 is a device that mixes and transports minute iron ores by using a gas having a pressure higher than that of the reaction tube 300 and serves to guide and transport the gas-minute iron ore stream 10 to the reaction tube 300 .

The upper end of the transport pipe 100 may be composed of a tapered pipe 110 in the form of a taper so as to reduce the driving force of the iron ores to be shipped and disperse the iron ores more effectively. At this time, it is possible that the transport gas is present as a mixture of air, nitrogen (N 2 ) and the process gas used in the ladle process. The iron ores that are transported are present as minute iron ores of 10 mm or less. When the minute iron ores are transported from the upper end of the transportation pipe to the inside of the enlarging pipe 200 having the disturbing plate, the upper end (end) of the transportation pipe is tapered The taper pipe 110 of the enlarged pipe 200 is formed.

The enlarged pipe 200 having the obstruction plate 210 serves to make the minute iron ore transported from the transport pipe lose the driving force and settle down, A tube 200, an obstruction plate 210, and the like. The diameter of the enlarged pipe 200 may be 5 times or more the diameter of the pipe 100 and suitably 5 to 10 times larger than the diameter of the pipe 100, It is possible to cause the transport minute iron ore that is ejected under a pressure lower than that of the expansion pipe 300 to spread in the expansion pipe 200.

At this time, the velocity of the feed gas and the minute iron ores that moved at almost the same flow rate in the transport pipe 100 are significantly different from each other, and the feed gas and the minute iron ores are separated from each other. The minute iron ores separated by the difference in the speed can be made to settle by gravity in the enlarging pipe 200 having a diameter larger than that of the transport pipe 100.

In addition, it is possible to reduce the driving force by providing the obstruction plate 210 on the transport pipe 100 and suitably above the transport pipe 100. The obstruction plate 210 can be placed in a proper position between the uppermost portion of the enlargement tube 200 and the upper end portion of the transportation tube.

The disturbing plate 210 may be present in various shapes such as circular, square, elliptical, and polygonal shapes to spread and spread the transported iron ores. The disturbing plate 210 is formed in a net shape, It is possible to make it sink downward and the gas to be separated upward. The minute iron ore separated by the difference in velocity and sedimentation is accumulated in the lower part of the enlarging pipe 200 having the obstruction plate 210 and is conveyed to the reactor 300 along the lower surface of the slope part 220 at the lower end of the enlarging pipe 200. [ And the transportation gas is separated upwardly along the upper side of the inclined portion 220 and is introduced into the reaction tube 300.

The reactor 300 is constituted by a device that causes the supplied iron ores to react with the reaction gas to cause a chemical reaction. The minute iron ore is introduced into the reactor 300 along the inclined lower surface of the inclined portion 220 of the enlarging tube 200 and reacted with the reaction gas 30 to be discharged as the reactor product 20. At this time, the carrier gas is introduced into the upper portion of the reactor 300 and discharged from the reactor 300 into the reactor discharge gas 40. Therefore, the degree of scattering of minute iron ores in the reactor 300 is significantly reduced compared to when there is no enlarged pipe 200.

(Second embodiment)

The mining iron ore charging device according to the second embodiment of the present invention is the same as the mining iron ore charging device according to the first embodiment of the present invention, except for the details to be described below, and thus a detailed description thereof will be omitted.

The apparatus for charging mined iron ore according to the second embodiment of the present invention is different from that of the disturbing plate 210 of the magnifying tube 200 of the apparatus for charging minute iron ore according to the first embodiment of the present invention, And additional devices may be installed.

In the apparatus for charging minute iron ore according to the second embodiment of the present invention, the disturbing plate 210 of the magnifying tube 200 is divided into a plurality of unit disturbing plates 211 horizontally arranged at regular intervals as shown in FIG. 2 Can be configured.

The unit barrier plate 211 may be formed in any one of circular, square, oval, and polygonal shapes.

In addition, the plurality of unit disturbing plates 211 may be arranged in a plurality of rows. In this case, one row of the unit traveling plates 211 is arranged so as to form a zigzag shape with the other unit disturbing plates 211, It is possible to reduce the driving force of the minute iron ore so that it can be precipitated more quickly by gravity.

(Third embodiment)

The mining iron ore charging device according to the third embodiment of the present invention is the same as the mining iron ore charging device according to the first embodiment and the second embodiment of the present invention except for the matters specifically described below, .

In the apparatus for charging minute iron ore according to the third embodiment of the present invention, the gas separation device 400 is disposed above the expansion pipe 200 having the obstruction plate 210 to separate the transportation gas, Additional devices may be installed.

The gas separator 400 in the apparatus for charging minute iron ore according to the third embodiment of the present invention has a role of separating a minute amount of iron ores remaining in the transportation gas separated from the expansion pipe 200 having the disturbing plate 210 And discharges the gases used in the purging without injecting them into the reaction tube 300.

The enlarged pipe exhaust gas 50 separated from the enlargement pipe 200 and discharged upward may include fine powdered iron ore. This gas may be separated into a gas separator 400 composed of a CYCLONE, a filter, And is recycled to the separated circulating iron ores 60 by the enlarging tube 200 having the disturbing plate 210.

At this time, the discharged gas 70 is separated from the gas separating apparatus 400 and discharged. Accordingly, the discharged gas is discharged to the reactor 300 without being input to the reaction tube 300, and the iron ore powder precipitated or recirculated in the expansion tube 200 is introduced into the reactor 300, so that the amount of iron ore scattered in the reactor 300 is It is possible to reduce much more than the first embodiment or the second embodiment. It is particularly suitable when the carrier gas has a negative effect on the chemical reaction or is heterogeneous.

10: gas-minute iron ores 20: reactor product
30: Reaction gas 40: Reactor exhaust gas
100: Transportation pipe 200: Expansion pipe
210: Disturbance plate 220:
300: reactor 400: gas separator

Claims (15)

A transport pipe for guiding the gaseous-minute iron ore flow by the gas and transporting the gaseous iron ore upward,
An enlargement pipe disposed above the transport pipe and having a wider space than the transport pipe to lose propulsion of the minute iron ore transported from the transport pipe and separate and precipitate the minute iron ore from the base,
A reactor for causing the chemical reaction to occur by reacting the minute iron ores that have been settled and supplied from the enlarging tube with the reactive gas
And an iron ore charging device. A transport pipe for guiding the gaseous-minute iron ore flow by the gas and transporting the gaseous iron ore upward,
An enlargement pipe disposed at an upper portion of the transport pipe and having a wider space than the transport pipe to lose the propelling power of the minute iron ore transported from the transport pipe and to separate and precipitate minute iron ores from the base,
And a control unit that is disposed inside the expansion pipe and has a larger diameter than the transportation pipe at the upper portion of the transportation pipe to reduce a driving force of minute iron ores transported from the transportation pipe, For disturbance plates,
A reactor for causing the chemical reaction to occur by reacting the minute iron ores that have been settled and supplied from the expansion tube with the reactive gas, and
A gas separation unit for separating a minute amount of iron ores remaining in the transportation gas separated from the expansion pipe having the obstruction plate and separating and discharging the gas used for the transportation in the reaction pipe,
Including minute iron ore charging equipment. The method according to claim 1,
The enlargement tube is installed inside the enlargement tube and has a larger diameter than the transportation tube at the upper part of the transportation tube to reduce the driving force of the minute iron ores transported from the transportation tube, An iron ore charging device having a barrier plate for impingement and spreading. The method according to claim 2 or 3,
Wherein the upper end of the transport pipe is composed of a tapered pipe whose width is gradually widened toward the upper end thereof in order to reduce the driving force of the minute iron ores fed through the transport pipe and to disperse the minute iron ores well. The method according to claim 2 or 3,
Wherein the expanding pipe has a diameter which is 5 to 10 times larger than the diameter of the transporting pipe. 6. The method of claim 5,
And an inclined portion for guiding the minute iron ores precipitated by the enlarging pipe to flow down to the reactor is formed at a lower end portion of the enlarging pipe. The method according to claim 2 or 3,
Wherein the obstruction plate is located between an uppermost portion of the enlargement tube and an upper end portion of the transport tube. 8. The method of claim 7,
Wherein the baffle plate is formed in any one of circular, square, elliptical, and polygonal shapes in order to collide and spread the transported iron ores. 9. The method of claim 8,
Wherein the baffle plate is formed in a net shape so that the baffle plate is spread and collapsed downward and the gas is separated upward. The method according to claim 2 or 3,
Wherein the disturbing plates are composed of a plurality of unit disturbance plates horizontally arranged at a predetermined interval from each other. 11. The method of claim 10,
Wherein the unit barrier plate is formed in any one of a circular shape, a rectangular shape, an elliptical shape, and a polygonal shape. 12. The method of claim 11,
Wherein the plurality of unit disturbing plates are arranged in a plurality of rows. 13. The method of claim 12,
Wherein the unit transfer plates of one row are arranged so as to form a zigzag shape with the unit break plates of the other rows. The method of claim 3,
And a gas separation device for separating a minute amount of iron ores remaining in the transportation gas separated from the expansion pipe having the obstruction plate and for separating and discharging the gas used for the transportation in the reaction pipe without injecting the gas into the reaction pipe, . The method according to claim 2 or 14,
Wherein the gas separator comprises a CYCLONE or a FILTER.
KR1020140181750A 2014-12-16 2014-12-16 Apparatus for charging fine iron ore KR20160073221A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020140181750A KR20160073221A (en) 2014-12-16 2014-12-16 Apparatus for charging fine iron ore
CN201510919013.3A CN105688758A (en) 2014-12-16 2015-12-11 Powder iron charging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140181750A KR20160073221A (en) 2014-12-16 2014-12-16 Apparatus for charging fine iron ore

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11638A (en) * 1997-06-11 1999-01-06 Mitsui Eng & Shipbuild Co Ltd Apparatus for discharging product produced by thermal decomposition in waste treatment apparatus
CN1197751C (en) * 2003-09-01 2005-04-20 上海博隆粉体工程有限公司 Solid particle pneumatic transfer and blending device
CN103104920B (en) * 2013-02-01 2015-12-02 东南大学 The capture method of solid waste burning heavy metals in process and superfine particulate matter

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