KR100799461B1 - A size control method for slag granulation of apparatus for processing the slag granulation - Google Patents

A size control method for slag granulation of apparatus for processing the slag granulation Download PDF

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Publication number
KR100799461B1
KR100799461B1 KR1020060130154A KR20060130154A KR100799461B1 KR 100799461 B1 KR100799461 B1 KR 100799461B1 KR 1020060130154 A KR1020060130154 A KR 1020060130154A KR 20060130154 A KR20060130154 A KR 20060130154A KR 100799461 B1 KR100799461 B1 KR 100799461B1
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South Korea
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slag
impinging
particle size
plate
slag granulation
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KR1020060130154A
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Korean (ko)
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조기현
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재단법인 포항산업과학연구원
주식회사 포스코
주식회사 포스코건설
포스코신기술연구조합
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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • C21B3/08—Cooling slag
    • 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
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02—Cooling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2200/00—Recycling of non-gaseous waste material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/14—Discharging devices, e.g. for slag

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

An impinging plate of an apparatus for processing slag granulation is provided to be able to produce slag granulation with uses and sizes desired by users by controlling the impinging surface angle of the impinging plate such that impinging frequency of slag is controlled, thereby controlling size of slag granulation generated by rapid cooling of slag, and a method for controlling size of slag granulation using the same is provided. In an impinging plate(100a) of an apparatus for processing slag granulation, which controls size of slag granulation generated by rapid cooling of the slag by spraying high pressure cooling water onto slag in a molten state injected into an agitation tank through a main iron through from a spray pipe, thereby impinging and crushing the slag onto the impinging plate and rapidly cooling the slag at the same time, the impinging plate of the apparatus for processing slag granulation is characterized in that an impinging surface of the impinging plate collided with the slag is bent at least once to form a bent portion. The bent portion is bent one to four times.

Description

수재제조설비의 충돌판 및 그를 이용한 수재 입도 조절방법{A SIZE CONTROL METHOD FOR SLAG GRANULATION OF APPARATUS FOR PROCESSING THE SLAG GRANULATION}A collision control panel of a manufacturing equipment and a method for controlling the particle size using the same {A SIZE CONTROL METHOD FOR SLAG GRANULATION OF APPARATUS FOR PROCESSING THE SLAG GRANULATION}

도 1은 일반적인 슬래그의 수재화 공정을 나타낸 개략도1 is a schematic diagram showing the process of rehydrating a general slag

도 2는 도 1의 수재 입도 조절과정을 나타낸 개략도Figure 2 is a schematic diagram showing the granular particle size control process of Figure 1

도 3은 도 1의 충돌판의 평면도3 is a plan view of the collision plate of FIG.

도 4a ~ 도 4d는 본 발명의 일실시예들에 따른 충돌판의 평면도4A-4D are plan views of impingement plates in accordance with one embodiment of the present invention.

도 5a ~ 도 5e는 도 3과 도 4a ~ 도 4d의 충돌횟수를 나타낸 평면도5A to 5E are plan views showing the number of collisions of FIGS. 3 and 4A to 4D.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

F : 고로 T : 수송설비 2 : 슬러리펌프F: Blast Furnace T: Transport Equipment 2: Slurry Pump

2a : 공급펌프 2b : 순환펌프 3 : 탈수조2a: supply pump 2b: circulation pump 3: dehydration tank

4 : 급수조 5 : 냉각탑 6 : 취제실4: water tank 5: cooling tower 6: cleaning room

7 : 스텍 7a : 교반조 10 : 대탕도7: Stack 7a: Agitator 10: Large bath

30 : 분사관 40 : 충돌판 50 : 수재30: injection pipe 40: collision plate 50: water

60 : 이송콘베이어60: conveying conveyor

본 발명은 수재제조설비의 충돌판 및 그를 이용한 수재 입도 조절방법에 관한 것으로서, 보다 상세하게는 수재의 입도크기를 효과적으로 조절할 뿐만 아니라 조절된 수재의 입도가 균일하게 생성되도록 함으로서, 수요자가 원하는 수재의 용도 및 크기로 수재를 생산할 수 있도록 한 수재제조설비의 수재 입도 조절방법에 관한 것이다.The present invention relates to a collision plate and a method for controlling the particle size using the same, and more specifically to effectively control the particle size of the material as well as to create a uniformly adjusted particle size of the hand, The present invention relates to a method for regulating the particle size of a material manufacturing facility which enables the production of the material in use and size.

일반적으로 수재는, 액체 상태의 슬래그를 급속 냉각시켜 생산된 잔알갱이 모양의 슬래그로서, 슬래그 시멘트의 기본 원료로 사용된다.Generally, wood is a fine grain slag produced by rapid cooling of liquid slag, and is used as a basic raw material of slag cement.

도 1은 일반적인 슬래그의 수재화 공정을 나타낸 개략도로서, 고로(F)에서 발생된 고온 용융상태의 슬래그(slag)는 대탕도(10, 도 2참조) 및 취제실(6)을 통하여 일정높이를 갖는 스텍(7)의 하부공간인 교반조(7a)내로 공급되는데, 이때 상기 교반조(7a)내로 공급된 슬래그에 냉각수를 고르게 뿌려 냉각, 파쇄 및 응고시켜 수재를 만들게 된다.1 is a schematic view showing a general slag rehydration process, the slag of the hot molten state generated in the blast furnace (F) is a certain height through the large bath (10, Fig. 2) and the cleaning chamber (6) It is supplied into the stirring tank 7a, which is the lower space of the stack 7 having the stack 7, wherein the slag supplied into the stirring tank 7a is evenly sprayed with cooling water, cooled, crushed and solidified to make the water.

상기 냉각수에 의해서 수재화된 슬래그는 상기 교반조(7a)의 하부에서 일정시간 체류한 후, 슬러리펌프(2)에 의해 탈수조(3)로 배관을 통하여 보내지고, 상기 탈수조(3)에서 물과 분리된 수재슬래그는 상기 탈수조(3)의 하부공간에 배치되는 수송설비(T)에 의해 후공정으로 수송되며, 상기 탈수조(3)에서 분리된 나머지 물은 별도의 외부배관을 통하여 급수조(4)로 공급되어 이에 일시 저장된다. 이어서, 상기 급수조(4)의 물은 공급펌프(2a)에 의해서 냉각탑(5)으로 공급되고, 상기 냉각탑(5)에서 일정온도까지 냉각된 물인 냉각수는 순환펌프(2b)에 의해서 상기 교반조(7a)의 슬래그를 수재화하는 공정에 순환공급된다.The slag reclaimed by the cooling water stays in the lower portion of the stirring tank 7a for a predetermined time, and then is sent to the dehydrating tank 3 by the slurry pump 2 through a pipe, and in the dehydrating tank 3 The water slag separated from the water is transported to the post process by a transport facility T disposed in the lower space of the dehydration tank 3, and the remaining water separated from the dewatering tank 3 is separated through an external pipe. It is supplied to the water supply tank 4 and temporarily stored therein. Subsequently, the water in the water supply tank 4 is supplied to the cooling tower 5 by the supply pump 2a, and the cooling water, which is water cooled to a predetermined temperature in the cooling tower 5, is supplied to the stirring tank by the circulation pump 2b. It is circulated and supplied to the process of rehydrating the slag of (7a).

상기 슬래그를 수재화하는 공정에 있어서, 상기 수재의 입도 조절은 슬래그에 냉각수를 고르게 뿌려 냉각, 파쇄 및 응고시키는 과정에서 설정되며, 그 방법을 도 2를 참조하여 살펴보면 다음과 같다.In the process of rehydrating the slag, the particle size control of the slag is set in the process of cooling, crushing and solidifying by sprinkling the cooling water evenly on the slag, the method as follows with reference to FIG.

고로(F, 도 1참조)에서 배출되는 용융상태의 슬래그가 대탕도(10)를 통하여교반조(7a)에 투입되고, 교반조(7a)에 투입되는 용융상태의 슬래그에 분사관(30)을 통하여 분사되는 고압상태의 냉각수를 분사하여 충돌판(40)에 충돌/파쇄시키는 동시에 급냉시킴으로서, 상기 슬래그의 급냉에 의해 생성되는 수재(50)의 입도를 조절한 후, 교반조(7a)의 하부에 적재된 상기 수재(50)를 이송콘베이어(60)를 통하여 배출시키게 된다.The molten slag discharged from the blast furnace F (see FIG. 1) is introduced into the stirring tank 7a through the large bath 10, and the injection tube 30 is injected into the molten slag introduced into the stirring tank 7a. By spraying the high-pressure cooling water injected through the impingement / crushing to the collision plate 40 and quenching at the same time, after controlling the particle size of the water material 50 generated by the quenching of the slag, the stirring tank 7a The resin 50 loaded in the lower portion is discharged through the transfer conveyor 60.

그러나 상기의 종래 수재 입도 조절과정에서 사용되는 충돌판은 도 3에 도시된 바와 같이, 그 충돌면이 일직선으로 구성되어 슬래그의 충돌/파쇄 시, 그 입도의 미립화가 이루어지지 못할 뿐만 아니라 그 입도가 불균일하여 수요자가 원하는 수재의 용도 및 크기로 수재를 생산하지 못하게 되는 등의 문제점이 있었다.However, as shown in FIG. 3, the collision plate used in the conventional granular particle size adjusting process has a collision surface formed in a straight line, and thus, when the slag collides or crushes, the particle size is not atomized, and the particle size thereof is not achieved. There was a problem such as the non-uniform to prevent the consumer to produce the tree with the purpose and size of the desired tree.

본 발명은 상술한 문제점을 해결하기 위한 것으로서, 특히, 본 발명은 수재제조설비에 사용되는 충돌판의 충돌면 내각을 조절하여 슬래그의 충돌횟수를 조절하고 그로 인해 슬래그의 급냉에 의해 생성되는 수재의 입도가 조절되도록 함으로서 수요자가 원하는 수재의 용도 및 크기로 수재를 생산할 수 있도록 하는 수재제조설비의 충돌판 및 그를 이용한 수재 입도 조절방법을 제공함에 목적이 있다.The present invention is to solve the above-described problems, in particular, the present invention is to adjust the number of collision of slag by adjusting the impact surface angle of the impact plate used in the manufacturing equipment of the slag and thereby the slag produced by the quenching of slag It is an object of the present invention to provide a collision plate of a manufacturing equipment and a method for controlling the particle size using the same to allow the consumer to produce the material in the desired use and size of the material by adjusting the particle size.

상술한 목적을 달성하기 위한 본 발명의 특징은, 충돌판의 충돌면 내각을 조절함으로서 상기 조절된 충돌면의 내각에 의해 슬래그의 충돌횟수가 조절되고 상기 충돌횟수의 차이에 따라 슬래그의 급냉에 의해 생성되는 수재의 입도가 조절되는 수재제조설비의 수재 입도 조절방법이다.A feature of the present invention for achieving the above object is, by adjusting the collision surface angle of the impact plate, the number of collision of the slag is adjusted by the angle of the adjusted collision surface and by the rapid cooling of the slag in accordance with the difference in the number of collisions It is a method for adjusting the particle size of the hand material manufacturing equipment in which the particle size of the generated hand material is controlled.

상술한 목적을 달성하기 위한 본 발명의 다른 특징은, 슬래그가 충돌하는 충돌면이 1회 이상 절곡되는 절곡부가 형성된 수재 제조설비의 충돌판이다.Another feature of the present invention for achieving the above object is a collision plate of a water-manufacture facility, a bent portion formed by bending the collision surface in which the slag collides one or more times.

상기 본 발명의 다른 특징에 의한 충돌판의 절곡부는, 1회 ~ 4회 절곡시키는 실시예를 구성할 수 있다.The bent portion of the impingement plate according to another feature of the present invention can constitute an embodiment to bend one to four times.

상기 본 발명의 목적과 특징 및 장점은 첨부도면 및 다음의 상세한 설명을 참조함으로서 더욱 쉽게 이해될 수 있을 것이다.The objects, features and advantages of the present invention will be more readily understood by reference to the accompanying drawings and the following detailed description.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예의 구성 및 그 작용 효과에 대해 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and effect of the preferred embodiment of the present invention.

도 4a 내지 도 4d는 본 발명의 바람직한 실시예들에 따른 충돌판들의 평면도로서, 본 발명은 충돌판(100)의 충돌면 내각이 다양하게 조절된 충돌판(100)을 설치/교체하여 상기 조절된 충돌면의 내각에 의해 슬래그의 충돌횟수가 조절되고 그로 인해 상기 충돌횟수의 차이에 따라 슬래그의 급냉에 의해 생성되는 수재의 입도가 조절되게하는 것을 특징으로 하며,4A to 4D are plan views of the collision plates according to the preferred embodiments of the present invention. The present invention provides the above-described adjustment by installing / replacing a collision plate 100 in which a collision surface angle of the collision plate 100 is variously adjusted. It is characterized in that the number of impact of the slag is adjusted by the cabinet of the impact surface is adjusted so that the particle size of the wood produced by the rapid cooling of the slag according to the difference in the number of collisions is adjusted,

상기 충돌판(100)의 충돌면 내각은, 수요자가 원하는 수재의 용도 및 크기에 따라 다양하게 적용가능하며, 내각의 조절에 의해 충돌면이 증가할수록 충돌횟수가 증가하여 수재의 입도가 미립화 된다.The collision surface cabinet of the collision plate 100 can be variously applied according to the use and size of the user's desired material, and the number of collisions increases as the collision surface increases by the adjustment of the cabinet, so that the granularity of the material is atomized.

도 5a ~ 도 5e는 종래의 충돌판(40)과 본 발명의 각 실시예들에 따른 충돌판(100)들의 충돌횟수를 나타낸 비교도로서, 5A to 5E are comparison diagrams showing the number of collisions between the conventional collision plate 40 and the collision plate 100 according to the embodiments of the present invention.

도 5a에 도시된 바와 같이, 종래의 충돌판(40)은 그 충돌면이 내각이 없는 일직선, 즉, 한 면만 형성되어 슬래그의 충돌/파쇄시, 그 입도가 미립화되지 못할 뿐만 아니라 입도의 크기를 임의로 조절불가능하게 되는 반면,As shown in FIG. 5A, the impact plate 40 has a straight line without a cabinet, that is, only one surface is formed so that when the slag collides or crushes, the particle size is not atomized and the size of the particle size is not limited. Randomly uncontrollable,

본 발명은 다양한 내각을 통해 다양한 수의 충돌면을 갖는 충돌판(100~100c)을 교체/설치함으로서, 상기 충돌면의 내각에 의해 슬래그의 충돌횟수가 조절되고 그로 인해 상기 충돌횟수의 차이에 따라 수재의 입도를 효과적으로 조절할 수 있게 되어 수요자가 원하는 수재의 용도 및 크기에 따른 다양한 입도를 가지는 수재를 생산할 수 있게 되는 것으로서,The present invention is to replace / install the collision plate (100 ~ 100c) having a different number of collision surface through a variety of cabinets, the number of collision of the slag is adjusted by the interior of the collision surface, and accordingly the difference in the number of collisions As it is possible to effectively control the particle size of the hand material, it is possible to produce a hand material having a variety of particle size according to the purpose and size of the hand material desired by the consumer,

도 5b에 도시된 바와 같이, 충돌면이 1회 절곡된 충돌판(100)을 설치할 경우, 상기 슬래그는 충돌면에 2회 충돌하게 되며,As shown in FIG. 5B, when installing the collision plate 100 in which the collision surface is bent once, the slag collides with the collision surface twice.

도 5c에 도시된 바와 같이, 충돌면이 2회 절곡된 충돌판(100a)을 설치할 경우, 상기 슬래그는 충돌면에 3회 충돌하여 상기 1회 절곡된 충돌판(100)을 설치했을 때보다 입도가 더욱 미립화된 수재를 생성할 수 있게 되며,As shown in FIG. 5C, when the collision plate 100a in which the collision surface is bent twice is installed, the slag collides three times with the collision surface and thus the particle size is larger than when the collision plate 100 is bent once. Will be able to generate more atomized wood,

도 5d에 도시된 바와 같이, 충돌면이 3회 절곡된 충돌판(100b)을 설치할 경우, 상기 슬래그는 충돌면에 4회 충돌하여 상기 1회 및 2회 절곡된 충돌판(100~100a)을 설치했을 때보다 입도가 더욱 미립화된 수재를 생성할 수 있게 되며,As shown in FIG. 5D, when the collision plate 100b in which the collision surface is bent three times is installed, the slag collides with the collision surface four times to open the collision plates 100-100a bent twice and twice. You will be able to produce more fine grained wood than when installed,

도 5e에 도시된 바와 같이, 충돌면이 4회 절곡된 충돌판(100c)을 설치할 경 우, 상기 슬래그는 충돌면에 5회 충돌하여 상기 1회, 2회 및 3회 절곡된 충돌판(100~100b)을 설치했을 때보다 입도가 더욱 미립화된 수재를 생성할 수 있게 되어, 작업자는 상기 다양한 수로 절곡된 충돌판(100~100c)을 적절히 교체/설치함으로서, 수요자가 원하는 용도 및 크기에 알맞는 수재를 생상할 수 있게 된다.As shown in FIG. 5E, when the collision surface 100c is bent four times, the slag collides with the collision surface five times and the collision plate 100 bent once, twice and three times. It is possible to produce a finer granular material than when the ~ ~ 100b) is installed, the operator knows the use and size desired by the consumer by appropriately replacing / installing the impact plate (100 ~ 100c) bent in various numbers You will be able to produce the right wood.

이외에도 본 발명인 수재제조설비의 충돌판 및 그를 이용한 수재 입도 조절방법은 다양하게 변형실시될 수 있는 것으로, 본 발명의 목적범위를 일탈하지 않는 한, 변형되는 실시예들은 모두 본 발명의 권리범위에 포함되어 해석되어야 한다.In addition, the impact plate of the present inventors manufacturing equipment and the method for adjusting the particle size using the same may be carried out in various ways, all modifications are included in the scope of the present invention without departing from the scope of the present invention. To be interpreted.

이상의 본 발명에 의하면, 수재의 입도를 효과적으로 조절할 수 있게 함으로서, 수요자가 원하는 수재의 용도 및 크기로 수재를 생산할 수 있게 되는 등의 이점을 얻을 수 있게 된다.According to the present invention, it is possible to effectively control the particle size of the hand material, it is possible to obtain the advantages, such as to be able to produce the hand material to the use and size of the hand material desired by the consumer.

Claims (3)

대탕도를 통하여 교반조에 투입되는 용융상태의 슬래그에 분사관을 통하여 분사되는 고압상태의 냉각수를 분사하여 충돌판에 충돌/파쇄시키는 동시에 급냉시킴으로서, 상기 슬래그의 급냉에 의해 생성되는 수재의 입도를 조절하는 수재제조설비의 수재 입도 조절방법에 있어서, By controlling the particle size of the water produced by the quenching of the slag by quenching and crushing the impact plate by injecting the high-pressure cooling water injected through the injection tube to the molten slag introduced into the stirring tank through the large bath. In the method of adjusting the particle size of the manual manufacturing equipment, 상기 충돌판의 충돌면 내각을 조절함으로서 상기 조절된 충돌면의 내각에 의해 슬래그의 충돌횟수가 조절되고 상기 충돌횟수의 차이에 따라 슬래그의 급냉에 의해 생성되는 수재의 입도가 조절되는 것을 특징으로 하는 수재제조설비의 수재 입도 조절방법.By controlling the inner surface of the collision surface of the impact plate by controlling the angle of the impact surface of the slag is adjusted the number of slags and the particle size of the water produced by the quenching of the slag is controlled according to the difference in the number of collisions How to adjust the particle size of the water manufacturing equipment. 대탕도를 통하여 교반조에 투입되는 용융상태의 슬래그에 분사관을 통하여 분사되는 고압상태의 냉각수를 분사하여 충돌판에 충돌/파쇄시키는 동시에 급냉시킴으로서, 상기 슬래그의 급냉에 의해 생성되는 수재의 입도를 조절하는 수재제조설비의 상기 충돌판에 있어서,By controlling the particle size of the water produced by the quenching of the slag by quenching and crushing the impact plate by injecting the high-pressure cooling water injected through the injection tube to the molten slag introduced into the stirring tank through the large bath. In the impingement plate of the remanufactured equipment, 슬래그가 충돌하는 충돌면이 1회 이상 절곡되는 절곡부가 형성된 것을 특징으로 하는 수재 제조설비의 충돌판. The impact plate of the hand-made manufacturing equipment, characterized in that the bent portion formed by bending the collision surface in which the slag collides one or more times. 제 2항에 있어서, 절곡부는,The method of claim 2, wherein the bent portion, 1회 ~ 4회 절곡되는 것을 특징으로 하는 수재 제조설비의 충돌판.Impingement plate of the handmade manufacturing equipment, characterized in that bent once to four times.
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KR20200017964A (en) * 2018-08-10 2020-02-19 사토시 타츠타 Apparatus and method for granulation a molten slag

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JPH0926270A (en) * 1994-09-19 1997-01-28 Mitsubishi Materials Corp Water granulation for calcium base slag
JP2002249347A (en) 2001-02-20 2002-09-06 Nippon Steel Corp Manufacturing method of granulated blast furnace slag and equipment therefor
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JPH0926270A (en) * 1994-09-19 1997-01-28 Mitsubishi Materials Corp Water granulation for calcium base slag
JPH0891883A (en) * 1994-09-27 1996-04-09 Nippon Steel Corp Water granulating treatment device for molten waste slag
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Publication number Priority date Publication date Assignee Title
KR20200017964A (en) * 2018-08-10 2020-02-19 사토시 타츠타 Apparatus and method for granulation a molten slag
KR102127566B1 (en) * 2018-08-10 2020-06-29 사토시 타츠타 Apparatus and method for granulation a molten slag

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