KR101033202B1 - Processing method of molasses - Google Patents

Processing method of molasses Download PDF

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KR101033202B1
KR101033202B1 KR1020090053096A KR20090053096A KR101033202B1 KR 101033202 B1 KR101033202 B1 KR 101033202B1 KR 1020090053096 A KR1020090053096 A KR 1020090053096A KR 20090053096 A KR20090053096 A KR 20090053096A KR 101033202 B1 KR101033202 B1 KR 101033202B1
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molasses
flux
heating
carboxy
processing method
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KR20100134465A (en
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신희봉
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(주)영흥세라텍
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00

Abstract

본 발명은 당밀 가공방법에 관한 것으로, 제강용 플럭스(flux)의 바인더로 사용되는 당밀을 가열하여 상기 당밀에 함유된 황성분을 줄여 안정화시키고, 카르복시 메틸 셀룰로오스(carboxy methly cellulose)를 혼합하여 당밀의 접착력을 강화함으로써 제강공정에서 사용되는 플럭스(flux)의 최적바인더를 만드는 데 있다. The present invention relates to a molasses processing method, by heating the molasses used as a binder of the steelmaking flux (flux) to reduce the sulfur component contained in the molasses and stabilized, by mixing carboxy methyl cellulose (carboxy methly cellulose) to bond the molasses It is to make an optimum binder of the flux used in the steelmaking process by strengthening.

본 발명은 제강용 플럭스(flux)의 바인더로 사용되는 당밀 가공방법에 있어서, 상기 당밀을 건조기에 투입 후, 60~80℃에서 3시간~4시간 가열하여 4~5%의 수분을 증발시키는 가열단계와; 상기 가열단계를 거친 당밀과, 상기 증발된 수분양과 동일한 양의 수용액을 혼합하여 당밀의 접착력을 강화하는 혼합단계로 이루어지고, 상기 수용액은 카르복시 메틸 셀룰로오스(carboxy methly cellulose)가 2% 혼합된 것을 특징으로 한다. The present invention is a molasses processing method used as a binder of the steelmaking flux (flux), after the molasses is put into the dryer, the heating to evaporate 4-5% moisture by heating at 60 ~ 80 ℃ for 3 hours to 4 hours Steps; The molasses undergoes the heating step and a mixing step of strengthening the adhesion of molasses by mixing an aqueous solution of the same amount as the evaporated water, wherein the aqueous solution is a mixture of carboxy methyl cellulose (carboxy methly cellulose) 2% It features.

플럭스(flux), 당밀, 카르복시 메틸 셀룰로오스(carboxy methly cellulose) Flux, molasses, carboxy methly cellulose

Description

당밀의 가공방법{PROCESSING METHOD OF MOLASSES}Process of processing molasses {PROCESSING METHOD OF MOLASSES}

본 발명은 당밀 가공방법에 관한 것으로, 제강용 플럭스(flux)의 바인더로 사용되는 당밀을 가열하여 상기 당밀에 함유된 황성분을 줄여 안정화시키고, 카르복시 메틸 셀룰로오스(carboxy methly cellulose)를 혼합하여 당밀의 접착력을 강화함으로써 제강공정에서 사용되는 플럭스(flux)의 최적바인더를 만드는 데 있다.The present invention relates to a molasses processing method, by heating the molasses used as a binder of the steelmaking flux (flux) to reduce the sulfur component contained in the molasses and stabilized, by mixing carboxy methyl cellulose (carboxy methly cellulose) to bond the molasses It is to make an optimum binder of the flux used in the steelmaking process by strengthening.

일반적으로 제강 공정에서 사용되는 플럭스(flux)는 슬래그의 조성을 변화시키기 위해 사용되며, 슬래그는 인, 황등의 불순물을 제거하기 위해 사용된다. Flux, which is generally used in steelmaking processes, is used to change the composition of slag, and slag is used to remove impurities such as phosphorus and sulfur.

그러나, 플럭스(flux)의 바인더로 사용되는 당밀에는 황성분이 많이 함유되어 있어 철강 제품을 생산하였을 경우 많은 양의 황성분으로 인해 제품의 품질이 저하되는 문제점이 발생하고 있는 실정이다. However, molasses used as a flux binder contains a large amount of sulfur, which causes a problem in that the quality of the product is degraded due to a large amount of sulfur when producing a steel product.

본 발명은 상기의 문제점을 해결하기 위하여 창안된 것으로, 제강용 플럭스(flux)의 바인더로 사용되는 당밀을 가열단계를 거침으로써 황성분을 줄여 안정화시키고, 카르복시 메틸 셀룰로오스(carboxy methly cellulose)가 혼합된 수용액을 가열단계를 거친 당밀과 혼합함으로써 당밀의 접척력을 강화하여 제강공정에서 사용되는 플럭스(flux)의 최적바인더를 만들도록 하는 데 있다. The present invention was devised to solve the above problems, stabilizes the molasses used as a binder of steelmaking flux by heating step to reduce the sulfur component, and the aqueous solution mixed with carboxy methyl cellulose (carboxy methly cellulose) It is to mix the molasses with the heating step to strengthen the molasses to make the optimum binder of the flux (flux) used in the steelmaking process.

상기의 목적을 달성하기 위한 본 발명의 구성은, 제강용 플럭스(flux)의 바인더로 사용되는 당밀 가공방법에 있어서, 상기 당밀을 건조기에 투입 후, 60~80℃에서 3시간~4시간 가열하여 4~5%의 수분을 증발시키는 가열단계와; 상기 가열단계를 거친 당밀과, 상기 증발된 수분양과 동일한 양의 수용액을 혼합하여 당밀의 접착력을 강화하는 혼합단계로 이루어지고, 상기 수용액은 카르복시 메틸 셀룰로오스(carboxy methly cellulose)가 2% 혼합된 것을 특징으로 한다. The constitution of the present invention for achieving the above object is, in the molasses processing method used as a binder of the steelmaking flux (flux), after the molasses is put into the dryer, and heated at 60 ~ 80 ℃ 3 hours to 4 hours A heating step of evaporating 4-5% of moisture; The molasses undergoes the heating step and a mixing step of strengthening the adhesion of molasses by mixing an aqueous solution of the same amount as the evaporated water, wherein the aqueous solution is a mixture of carboxy methyl cellulose (carboxy methly cellulose) 2% It features.

상술한 바와 같이 본 발명 따르면, 제강용 플럭스(flux)의 바인더로 사용되는 당밀을 가열단계를 거침으로써 황성분이 줄어들고, 카르복시메틸셀룰로오스(carboxy methly cellulose)가 혼합된 수용액을 가열단계를 거친 당밀과 혼합함 으로써 당밀의 접척력이 강화되는 효과가 있어 제강공정에서 사용되는 플럭스(flux)의 최적바인더를 가공할 수 있게 된다. As described above, according to the present invention, the sulfur component is reduced by heating the molasses used as the binder of the steelmaking flux, and the aqueous solution in which the carboxy methly cellulose is mixed is mixed with the molasses undergoing the heating step. As a result, the adhesion force of molasses is enhanced, so that the optimum binder of the flux used in the steelmaking process can be processed.

이하, 본 발명의 당밀 가공방법를 상세히 설명한다. Hereinafter, the molasses processing method of the present invention will be described in detail.

본 발명에 따른 당밀 가공방법은 제강용 플럭스(flux)의 바인더로 사용되는 당밀 가공방법에 있어서, 상기 당밀을 건조기에 투입 후 가열하는 가열단계와, 혼합단계로 이루어진다. The molasses processing method according to the present invention is a molasses processing method used as a binder of the steelmaking flux (flux), the heating step of heating the molasses after the input to the dryer and a mixing step.

상기 가열단계는 당밀을 건조기에 투입 후, 60~80℃에서 3시간~4시간 가열하여 4~5%의 수분을 증발시킨다. In the heating step, molasses is added to a dryer, and then heated at 60 to 80 ° C. for 3 to 4 hours to evaporate 4 to 5% of moisture.

다시 말해, 상기 당밀을 60~80℃에서 3시간~4시간 가열하여 4~5%의 수분을 증발시킴으로써 상기 당밀에 함유된 황성분을 줄여 상기 당밀를 안정화시키는 것이다. In other words, by heating the molasses at 60 ~ 80 ℃ for 3 hours to 4 hours to evaporate 4-5% moisture to reduce the sulfur component contained in the molasses to stabilize the molasses.

여기서, 상기 당밀을 60℃ 이하의 온도에서 가열하면 당밀에 함유된 수분 증발이 원활하게 이루어지지 않고, 80℃ 이상의 온도에서 가열하면 당밀이 태워지는 문제점이 발생할 수 있으므로, 상기 당밀을 가열하는 온도는 70℃를 유지하는 것이 가장 바람직할 것이다. Here, when the molasses is heated at a temperature of 60 ℃ or less, the moisture contained in the molasses is not smoothly evaporated, and when heated at a temperature of 80 ℃ or more may cause a problem that the molasses burns, the temperature for heating the molasses is It would be most desirable to maintain 70 ° C.

그리고, 상기 혼합단계는 상기 가열단계를 거친 당밀과, 상기 증발된 수분양과 동일한 양의 수용액을 혼합하여 당밀의 접착력을 강화하기 위한 단계로, 상기 수용액은 카르복시 메틸 셀룰로오스(carboxy methly cellulose)가 2% 혼합된 것이 다. In addition, the mixing step is a step for strengthening the adhesion of molasses by mixing the molasses undergoing the heating step with the same amount of the evaporated water content, the aqueous solution is a carboxy methyl cellulose (carboxy methly cellulose) 2 % Mixed.

다시 말해, 상기 가열단계에서 당밀에 함유된 수분이 5% 가량 증발하였다면, 상기 5%의 수분증발량과 동일한 양의 수용액과, 상기 가열단계를 거친 당밀을 혼합기에 넣어 혼합함으로써 당밀의 접착력을 강화하는 것이다. In other words, if the moisture contained in the molasses evaporated about 5% in the heating step, the mixture of the molten water through the heating step with the aqueous solution of the same amount as the 5% water evaporation, and mixing the mixture to enhance the adhesion of the molasses will be.

아래 표는 상기 카르복시 메틸 셀룰로오스(CMC: carboxy methly cellulose) 첨가량에 따른 플럭스의 강도변화를 나타낸 것이다. The table below shows the change in flux intensity according to the amount of carboxy methyl cellulose (CMC) added.

CMC 첨가량CMC addition amount 회전강도 지수Rotational strength index 마모강도지수Wear strength index 낙하강도지수Drop strength index 관능치Sensory value 비고Remarks 0.00%0.00% 34.3%34.3% 45.745.7 75.01%75.01% 부적합incongruity 시편의 표면이 거침Rough surface of specimen 1.00%1.00% 42.7%42.7% 43.243.2 82.43%82.43% 적합fitness 1.50%1.50% 54.3%54.3% 30.230.2 90.21%90.21% 적합fitness 시편의 표면이 매끄러움Smooth surface of the specimen 2.00%2.00% 62.4%62.4% 20.420.4 98.46%98.46% 적합fitness 상품성이 뛰어남Superior Merchandise 2.50%2.50% 실험불가Experiment not possible 3.00%3.00% 실험불가Experiment not possible

상기와 같이 수용액에는 2%의 CMC가 첨가되는 것이 바람직할 것이다. As above, it will be preferable to add 2% CMC to the aqueous solution.

여기서, 상기 회전강도와 마모강도는 KS E ISO 3271 철광석-회전강도측정방법에 따른 측정값이며, 상기 낙하강도는 KS E 3714 철광석 소결광의 낙하강도 시험방법에 따른 값이다. Here, the rotational strength and wear strength is a measured value according to the KS E ISO 3271 iron ore-rotational strength measuring method, the dropping strength is a value according to the falling strength test method of KS E 3714 iron ore sintered ore.

또한, 도 1 내지 도 3에 도시된 바와 같이 CMC 첨가량에 따른 낙하강도지수, 회전강도지수, 마모강도지수는 CMC 2% 일 때가 가장 좋은 것임을 알 수 있다. In addition, as shown in Figures 1 to 3 it can be seen that the drop strength index, the rotational strength index, the wear strength index according to the CMC addition amount is the best when the CMC 2%.

이와 같이 당밀에 함유된 황성분을 줄여 안정화되고, 증발된 수분양과 동일한 양의 카르복시 메틸 셀룰로오스(carboxy methly cellulose)가 혼합된 수용액을 당밀과 혼합하여 접착력이 강화되는 효과가 있다. As such, by reducing the sulfur component contained in molasses, it is stabilized, and the adhesion strength is enhanced by mixing the aqueous solution in which the same amount of carboxy methyl cellulose (carboxy methly cellulose) is mixed with molasses.

상기에서와 같이 본 발명에 관해 상세히 설명하였으나, 본 발명이 속하는 분야에 통상의 지식을 갖는 자라면 본 발명의 범주에서 벗어나지 않는 범위에서 다양 한 변형실시가 가능할 것이다. 그러므로, 본 발명의 범위는 상술한 실시예에 한정하지 않고, 후술하는 특허청구범위뿐만 아니라, 이 청구범위와 균등한 것들에 의해 정해져야 할 것이다.Although the present invention has been described in detail as described above, those skilled in the art to which the present invention pertains will be capable of various modifications without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined not only by the claims below but also by those equivalent to the claims.

도 1는 본 발명에 따른 CMC첨가량에 따른 플럭스의 낙하강도지수 변화를 나타낸 그래프,1 is a graph showing a drop strength index change of the flux according to the amount of CMC added according to the present invention,

도 2은 본 발명에 따른 CMC첨가량에 따른 플럭스의 회전강도지수의 변화를 나타낸 그래프,2 is a graph showing a change in the rotational strength index of the flux according to the CMC addition amount according to the present invention,

도 3는 본 발명에 따른 CMC첨가량에 따른 플럭스의 마모강도지수의 변화를 나타낸 그래프.Figure 3 is a graph showing the change in the wear strength index of the flux according to the amount of CMC added according to the present invention.

Claims (1)

제강용 플럭스(flux)의 바인더로 사용되는 당밀 가공방법에 있어서, In the molasses processing method used as a binder of steelmaking flux, 상기 당밀을 건조기에 투입 후, 60~80℃에서 3시간~4시간 가열하여 4~5%의 수분을 증발시키는 가열단계와; After heating the molasses in the dryer, the heating step of evaporating 4 to 5% moisture by heating for 3 to 4 hours at 60 ~ 80 ℃; 상기 가열단계를 거친 당밀과, 상기 증발된 수분양과 동일한 양의 수용액을 혼합하여 당밀의 접착력을 강화하는 혼합단계로 이루어지고, 상기 수용액은 카르복시 메틸 셀룰로오스(carboxy methly cellulose)가 2% 혼합된 것을 특징으로 하는 당밀 가공방법. The molasses undergoes the heating step and a mixing step of strengthening the adhesion of molasses by mixing an aqueous solution of the same amount as the evaporated water, wherein the aqueous solution is a mixture of carboxy methyl cellulose (carboxy methly cellulose) 2% A molasses processing method characterized by the above-mentioned.
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090208405A1 (en) 2008-02-08 2009-08-20 Vale Inco Limited Process for manufacturing prefluxed metal oxide from metal hydroxide and metal carbonate precursors

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090208405A1 (en) 2008-02-08 2009-08-20 Vale Inco Limited Process for manufacturing prefluxed metal oxide from metal hydroxide and metal carbonate precursors

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