TWI641695B - Method for manufacturing steelmaking accelerator - Google Patents
Method for manufacturing steelmaking accelerator Download PDFInfo
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- TWI641695B TWI641695B TW106131960A TW106131960A TWI641695B TW I641695 B TWI641695 B TW I641695B TW 106131960 A TW106131960 A TW 106131960A TW 106131960 A TW106131960 A TW 106131960A TW I641695 B TWI641695 B TW I641695B
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- aluminum slag
- secondary aluminum
- steelmaking
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- slag
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- 238000009628 steelmaking Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 119
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 118
- 239000002893 slag Substances 0.000 claims abstract description 96
- 238000002156 mixing Methods 0.000 claims abstract description 25
- 235000013379 molasses Nutrition 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 239000008187 granular material Substances 0.000 claims abstract description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 5
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract 2
- 238000005469 granulation Methods 0.000 claims description 21
- 230000003179 granulation Effects 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 17
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- 230000008569 process Effects 0.000 description 8
- 229920002472 Starch Polymers 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 6
- 235000019698 starch Nutrition 0.000 description 6
- 239000008107 starch Substances 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 235000014347 soups Nutrition 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000005360 mashing Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Furnace Details (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
本發明煉鋼促進劑之製造方法，其依序包含有準備、拌合、造 粒等步驟；其中，該準備步驟主要是集收二次鋁渣原料後，且該二次鋁渣成分範圍為可溶鋁30%以上、氧化鋁10~60%、二氧化矽10%，而後該拌合步驟備具有至少一糖蜜，且以該二次鋁渣總量為基準，即於該二次鋁渣中加入有4%~7%糖蜜拌合成一混拌物，最後將該混拌物予以造粒，即可順利完成粒料狀之煉鋼促進劑，有效降低外在水氣侵蝕，並且達到品質佳且不易崩裂分離之功效。 The method for producing a steelmaking accelerator according to the present invention comprises, in sequence, preparation, mixing, and manufacturing a step of granules or the like; wherein the preparation step is mainly after collecting the secondary aluminum slag raw material, and the secondary aluminum slag component ranges from more than 30% of soluble aluminum, 10 to 60% of alumina, and 10% of cerium oxide, and then The mixing step is provided with at least one molasses, and based on the total amount of the secondary aluminum slag, 4% to 7% of molasses is added to the secondary aluminum slag to form a mixed mixture, and finally the mixture is mixed. When the material is granulated, the pellet-shaped steel-making accelerator can be successfully completed, the external water vapor erosion can be effectively reduced, and the effect of good quality and easy to be cracked and separated can be achieved.
Description
本發明係有關於一種製造方法，特別是一種煉鋼促進劑之製造方法。 The present invention relates to a manufacturing method, and more particularly to a method for producing a steelmaking accelerator.
鋁渣主要是在煉鋁製程或熔鋁過程中產出，例如鋁礦土提煉原生鋁時電解作業，將鋁湯與渣分離過程或鋁廢料熔煉再生鋁等作業皆會產生鋁渣，即是鋁在熔煉過程中氧化或氮化結果，生成氧化鋁、氮化鋁等，而浮於鋁湯表面形成之熔渣，熔渣經取出並夾帶部分鋁湯形成所謂的熔渣，其中，夾帶著鋁金屬成分高的鋁渣就稱為一次鋁渣，一次鋁渣經過篩選與研磨將渣與金屬鋁分開後，殘鋁之鋁渣稱為二次鋁渣；由於二次鋁渣因金屬鋁成分低，回收價值低，通常會被不肖業者四處租地堆存，或任意棄置，致使環境汙染及公害事件不斷地重複出現。 The aluminum slag is mainly produced in the aluminum smelting process or the aluminum melting process. For example, the aluminum ore is used for the electrolysis operation when refining the original aluminum, and the aluminum slag and the slag separation process or the aluminum scrap smelting and reclaiming aluminum will produce aluminum slag, that is, The aluminum is oxidized or nitrided during the smelting process to form alumina, aluminum nitride, etc., and the slag floating on the surface of the aluminum soup is taken out, and the slag is taken out and a part of the aluminum soup is entrained to form a so-called slag. The aluminum slag with high aluminum metal composition is called primary aluminum slag. After the primary aluminum slag is separated from the metal aluminum by screening and grinding, the aluminum residue of residual aluminum is called secondary aluminum slag; because the secondary aluminum slag is composed of metal aluminum Low, low recovery value, usually will be piled up by unscrupulous people, or disposed of at will, resulting in repeated environmental pollution and pollution incidents.
由於二次鋁渣目前資源化利用技術並不成熟，加上二次鋁渣中含有大部份安定的鋁、矽、鐵、銅、鈦等氧化物，但也含有活潑成分與水反應產生臭味或危險性氣體，如該二次鋁渣成分中的氮化鋁與水接觸後，將產生水解反應生成臭味氨氣，且此微弱放熱的反應化學動力極低，數年後尚有臭味產生，而對環境影響持續存在，故使得二次鋁渣送掩埋後，於掩埋場內仍相當不穩定，每逢雨季大量接觸水後，會引起周圍環境立即性的污染，同時因含有氨的水流入水中將造成優養化效果，因此許多 國家與地區已禁止二次鋁渣送衛生掩埋場進行掩埋處理，故二次鋁渣後續如何處理去化，將是非常棘手的問題。 Since the secondary aluminum slag is currently not mature in resource utilization technology, and the secondary aluminum slag contains most of the stable oxides of aluminum, bismuth, iron, copper, titanium, etc., it also contains active components that react with water to produce odor. A taste or dangerous gas, such as aluminum nitride in the secondary aluminum slag component, is in contact with water, and then hydrolyzed to form an odorous ammonia gas, and the chemical reaction of the weak exothermic reaction is extremely low, and there is still a stinky after several years. The taste is generated, and the environmental impact persists. Therefore, after the secondary aluminum slag is buried, it is still quite unstable in the landfill. When a large amount of water comes into contact with the rainy season, it will cause immediate pollution to the surrounding environment and contain ammonia. Water flowing into the water will cause an eutrophication effect, so many The state and the region have banned the secondary aluminum slag from being sent to the sanitary landfill for landfill disposal. Therefore, how to deal with the secondary aluminum slag will be a very difficult problem.
故為減少二次鋁渣對環境的污染，各界積極擴展二次鋁渣的使用去處，例如使用於煉鋼業(作為脫硫脫氧劑)、回收鹽類、資材化(如製作成陶瓷材料、水泥製品、人造沸石等)，資源化(生成鋁酸鈣、氧化鋁純化、安定化並回收氨水)等等方法；就以煉鋼業而言，由於二次鋁渣含有少量的金屬鋁成分，加上氧化鋁具有保溫、還原、脫氧及放熱等特性，因此，如何選用何種二次鋁渣，以及如何儲放與運送，二次鋁渣可以用來當作鋼液的脫氧、脫硫劑，習知經過含鋁成分篩選後符合含鋁成分後，將直接加入煉鋼鐵水中，其粉狀物難以精準控制投入外，同時二次鋁渣也容易因外在環境影響而使得二次鋁渣氧化變質，以致無法精確控制該二次鋁渣的品質，因此，如何使該二次鋁渣能在一定鋁含量範圍內保存，並且降低環境中水氣對該二次鋁渣影響，將是本發明後續所研發之目的。 Therefore, in order to reduce the environmental pollution of secondary aluminum slag, all walks of life actively expand the use of secondary aluminum slag, for example, in the steel industry (as a desulfurization and deoxidizer), recovery of salt, and materialization (such as making ceramic materials, Cement products, artificial zeolites, etc., resource (to produce calcium aluminate, alumina purification, stabilization and recovery of ammonia), etc.; in the steel industry, because the secondary aluminum slag contains a small amount of metal aluminum, In addition, alumina has the characteristics of heat preservation, reduction, deoxidation and heat release. Therefore, how to choose secondary aluminum slag and how to store and transport it, secondary aluminum slag can be used as deoxidation and desulfurizer for molten steel. After the aluminum-containing component is screened and conforms to the aluminum-containing component, it is directly added to the steelmaking water. The powder is difficult to accurately control the input, and the secondary aluminum slag is also easily affected by the external environment to make the secondary aluminum slag. Oxidative deterioration, so that the quality of the secondary aluminum slag cannot be precisely controlled. Therefore, how to make the secondary aluminum slag can be stored within a certain range of aluminum content, and to reduce the influence of moisture in the environment on the secondary aluminum slag, it will be After invention The R & D purposes.
因此，本發明之目的，是在提供一種煉鋼促進劑之製造方法，其能降低二次鋁渣因環境中的空氣、水氣影響而變質，並且達到品質佳不易崩裂分離之煉鋼促進劑。 Therefore, an object of the present invention is to provide a method for producing a steelmaking accelerator which can reduce the deterioration of secondary aluminum slag due to the influence of air and moisture in the environment, and achieve a steelmaking accelerator which is excellent in quality and is not easily cracked and separated. .
於是，本發明煉鋼促進劑之製造方法，其依序包含有準備、拌合、造粒等步驟；其中，該準備步驟有一二次鋁渣，且該二次鋁渣成分範圍為可溶鋁30%以上、氧化鋁10~50%、二氧化矽10%以下；另，該拌合步驟係備具有至少一糖蜜，並以該二次鋁渣總量為基準，於該二次鋁渣中加入有4%~7%重量百分比之糖蜜後，並均勻拌合成一混 拌物，最後，該造粒步驟則將該混拌物予以壓球造粒，即可完成粒狀之煉鋼促進劑，除能避免生產過程產生氨氣外，同時凝固後該糖蜜更能於該二次鋁渣外形成一保護層，並有效降低外在水氣直接侵蝕該二次鋁渣，以及不易於運送過程崩解分離，有效提升該煉鋼促進劑之品質。 Therefore, the method for producing a steelmaking accelerator of the present invention comprises the steps of preparing, mixing, granulating, etc.; wherein the preparation step has a secondary aluminum slag, and the secondary aluminum slag component is soluble. 30% or more of aluminum, 10 to 50% of alumina, and 10% or less of cerium oxide; further, the mixing step is provided with at least one molasses, and based on the total amount of the secondary aluminum slag, the secondary aluminum slag After adding 4% to 7% by weight of molasses, it is evenly mixed and mixed. The mixture, finally, the granulation step is to press the granules into the granules to complete the granulated steel-making accelerator, in addition to avoiding ammonia gas in the production process, and the molasses is more capable after solidification. The secondary aluminum slag forms a protective layer outside, and effectively reduces the external water vapor directly eroding the secondary aluminum slag, and is not easy to disintegrate and separate during transportation, thereby effectively improving the quality of the steelmaking accelerator.
圖1為本發明一較佳實施例之流程示意圖。 FIG. 1 is a schematic flow chart of a preferred embodiment of the present invention.
圖2為本發明二較佳實施例之流程示意圖。 2 is a schematic flow chart of a second preferred embodiment of the present invention.
有關本發明之前述及其他技術內容、特點與功效，在以下配合參考圖式之較佳實施例的詳細說明中，將可清楚地明白。 The above and other technical features, features, and advantages of the present invention will become apparent from the Detailed Description of the <RTIgt;
參閱圖1，本發明第一較佳實施例，本實施例中煉鋼促進劑之製造方法包含有一準備步驟、拌合步驟、造粒步驟等；其中，該準備步驟具備有二次鋁渣，該二次鋁渣係由一次鋁渣再經熔煉回收金屬鋁後所產出，且該成分為可溶鋁30%重量百分比以上，氧化鋁10~50%重量百分比，二氧化矽10%重量百分比以下，而本實施例中，將該二次鋁渣篩分出粒徑0.15mm~5mm進行使用為較佳級配，後續可使造粒效果更佳。 Referring to Figure 1, in a first preferred embodiment of the present invention, a method for manufacturing a steelmaking accelerator in the present embodiment includes a preparation step, a mixing step, a granulation step, and the like; wherein the preparation step is provided with secondary aluminum slag, The secondary aluminum slag is produced by primary aluminum slag and then smelted to recover metal aluminum, and the component is more than 30% by weight of soluble aluminum, 10 to 50% by weight of alumina, and 10% by weight of cerium oxide. Hereinafter, in the present embodiment, the secondary aluminum slag is sieved to have a particle diameter of 0.15 mm to 5 mm, and is preferably used in a gradation, and the granulation effect can be further improved.
仍續前述，該拌合步驟具備有一至少包含有一糖蜜，且以該二次鋁渣為拌合基準，並於該二次鋁渣中額外加入有佔該二次鋁渣4~7%重量百分比之糖蜜，並且將該二次鋁渣與該糖蜜進行攪拌，使該糖蜜與該二次鋁渣混合，同時於本實施例中，為增加後續該二次鋁渣之壓球 成型強度，以該二次鋁渣為拌合基準，可適時額外添加有有佔該二次鋁渣0.5~1.5%重量百分比的澱粉，如單獨換算該糖蜜與澱粉比例為82.4%~93.3%糖蜜及6.7%~17.6%的澱粉，而以該糖蜜加上該澱粉與二次鋁渣的拌合百分比則為4.5%至8.5%重量百分比間，使以該二次鋁渣與該糖蜜混合成一具有黏結性之混拌物，並且由於該糖蜜為膏狀物質且僅含有少量水分，因此並不會使該二次鋁渣中的鋁成分拌合步驟中產生大量氨氣臭味，當然也可以確保該混拌物的穩定性。 Continuing with the foregoing, the mixing step is provided with at least one molasses, and the secondary aluminum slag is used as a mixing standard, and the secondary aluminum slag is additionally added with 4 to 7% by weight of the secondary aluminum slag. Molasses, and the secondary aluminum slag is stirred with the molasses to mix the molasses with the secondary aluminum slag, and in the present embodiment, in order to increase the pressure of the secondary aluminum slag The molding strength is based on the secondary aluminum slag as a mixing standard, and may additionally add 0.5 to 1.5% by weight of the starch of the secondary aluminum slag, and the ratio of the molasses to the starch is 82.4% to 93.3% molasses separately. And 6.7%~17.6% of the starch, and the mixture of the molasses plus the starch and the secondary aluminum slag is between 4.5% and 8.5% by weight, so that the secondary aluminum slag and the molasses are mixed into one a cohesive mixture, and since the molasses is a paste-like substance and contains only a small amount of water, it does not cause a large amount of ammonia odor in the aluminum component mixing step in the secondary aluminum slag, and certainly ensures The stability of the mixture.
仍續前述，該拌合步驟與造粒步驟間可適時增設有一輾壓步驟，該輾壓步驟係將前述所得之後續該二次鋁渣再以一輾壓處理後，使該混拌物中的糖蜜或糖蜜與澱粉與二次鋁渣內部得以更緊實的混合，即於輾壓過程能因輾壓而產生的擠壓作用，而使得存在於該二次鋁渣內之顆粒間的空氣能排除且緻密，而輾壓條件可利用一輪輾機進行輾壓，經過輾壓3~5分鐘即可，將可提高最後成品粒料之強度3~12%，使該最終成品更容易成型且不易崩散，而本實施例以下係以設置有該輾壓步驟為例說明。 Continuing the foregoing, a step of pressing may be added between the mixing step and the granulation step, and the rolling step is performed by subjecting the subsequent obtained secondary aluminum slag to a rolling treatment to obtain the mixture. The molasses or molasses and the starch and the secondary aluminum slag are more tightly mixed inside, that is, the pressing action caused by the rolling during the rolling process, so that the air existing between the particles in the secondary aluminum slag It can be removed and compacted, and the rolling condition can be pressed by a round of rolling machine. After rolling for 3 to 5 minutes, the strength of the final finished pellet can be increased by 3~12%, making the final product easier to form and It is not easy to disintegrate, and the following embodiment is exemplified by the step of providing the pressing.
最後，該造粒步驟則將該混拌物經一造粒機進行造粒，而本實施例該造粒機使用壓球造粒，而造粒之大小最佳之粒徑範圍為25mm~55mm，如此將可順利將該混拌物製作成複數粒狀之煉鋼促進劑，同時將可確保該煉鋼促進劑之成分品質，並且因為該糖蜜作用，其硬固後將可於該二次鋁渣外形成一保護層，能避免環境中的空氣、水氣直接接觸該二次鋁渣，避免該煉鋼促進劑的金屬鋁再次氧化變質，使該煉鋼促進劑維持較佳之保存效果，再者，該糖蜜凝固硬化後，也能使該二次鋁渣內之顆粒相互黏結固定，以及確保該煉鋼促進劑成形後仍具有一定 之強度，且能避免運輸過程因外在震動而崩裂分離之功效，有效增加後續使用之方便性。 Finally, in the granulation step, the mixture is granulated by a granulator, and in the present embodiment, the granulator is granulated by using a ball, and the granulation size is preferably in the range of 25 mm to 55 mm. Therefore, the mixture can be smoothly formed into a plurality of granular steel-making accelerators, and at the same time, the composition quality of the steel-making accelerator can be ensured, and because of the molasses action, it can be hardened after the hardening. A protective layer is formed outside the aluminum slag to prevent the air and moisture in the environment from directly contacting the secondary aluminum slag, thereby preventing the metal aluminum of the steelmaking promoter from being oxidized and degraded, so that the steelmaking promoter maintains a better preservation effect. Furthermore, after the molasses is solidified and hardened, the particles in the secondary aluminum slag can be bonded to each other, and the steelmaking accelerator is ensured to have a certain shape after forming. The strength, and can avoid the effect of cracking and separation due to external vibration during transportation, and effectively increase the convenience of subsequent use.
以下將以實驗例進行說明，分別以未經處理之二次鋁渣，以及拌合步驟、輾壓步驟後測試成球強度(藉由日本工業規格(Japanese Industrial Standards；JIS)第M8712-2009號之檢測方法測量其滾筒強度，其中成品球經滾筒轉動摔落13圈後，留於篩網上之比率)，如下表：
仍續前述，由上表中可知，將未經處理之二次鋁渣經造粒步驟後進行測試，其成球強度僅有17.9%，另在於造粒步驟前先經輾壓處理，反而強度降低至16.9%，因此，可得知，雖然二次鋁渣可直接靠壓力壓球成型，但其成球強度很差，容易在運送過程就造成崩解分離之現象；另外，該二次鋁渣再經添加有2%糖蜜進行拌合後再進行造粒步驟時，即可將成品球強度提升至70.1%，另外如造粒步驟前再經一輪輾步驟時，可將強度提升至82.1%；另外，當糖蜜提升到4%、7%時，其不經輾壓與經輾壓都有不錯的表現；再者，如 再加入有一澱粉時，將有助於提升成球強度；此外，本案實驗例進行時，拌合過程並無放熱及氨氣臭味產生，另，造粒過程後脫模過程中也不沾黏，最後該糖蜜將於該二次鋁渣外型形成一保護層，促使成品穩定度高不產生氣裂解之情事。 Continuing from the above, it can be seen from the above table that the untreated secondary aluminum slag is tested after the granulation step, and the ball-forming strength is only 17.9%, and the other is subjected to rolling treatment before the granulation step, but the strength is reversed. It is reduced to 16.9%. Therefore, it can be known that although the secondary aluminum slag can be directly formed by pressure ball molding, its ball forming strength is very poor, and it is easy to cause disintegration and separation during transportation; in addition, the secondary aluminum After the slag is added with 2% molasses for mixing and then granulation step, the strength of the finished ball can be increased to 70.1%, and the strength can be increased to 82.1% after a round of mashing step before the granulation step. In addition, when the molasses is raised to 4% and 7%, it has a good performance without pressure and pressure. When a starch is added, it will help to increase the strength of the ball. In addition, when the experimental example is carried out, there is no exothermic and ammonia odor during the mixing process, and the mold is not sticky during the demolding process. Finally, the molasses will form a protective layer on the shape of the secondary aluminum slag, which promotes high stability of the finished product without causing gas cracking.
參閱圖3，本發明第二較佳實施例，本實施例中煉鋼促進劑之製造方法，其仍包含有一準備、拌合、造粒等步驟，且前述步驟所揭示之要件與欲達成之功效皆與第一實施例相同，恕不詳述，特別是，本實施例中，該拌合步驟中，其主要備具有一不飽和聚酯樹脂，且以該二次鋁渣為基準，以於該二次鋁渣中額外加入有佔該二次鋁渣1.5~3%重量百分比之不飽和聚酯樹脂，該不飽和聚酯樹脂與該二次鋁渣進行拌合成一混拌物，由於該不飽和聚酯樹脂硬固後，其亦能於該二次鋁渣外型形成一保護層，能避免環境中的空氣、水氣直接接觸該二次鋁渣，避免該煉鋼促進劑的金屬鋁再次氧化變質，能使該煉鋼促進劑之保存效果提昇，再者，也能使該二次鋁渣內之顆粒相互黏結固定，以及確保該煉鋼促進劑成形後仍具有一定之強度，且該煉鋼促進劑能避免運輸過程因外在震動而崩裂分離之功效，有效增加後續使用之方便性。 Referring to FIG. 3, in a second preferred embodiment of the present invention, the method for manufacturing a steelmaking accelerator in the embodiment further includes a step of preparing, mixing, granulating, etc., and the elements disclosed in the foregoing steps are to be achieved. The effects are the same as those in the first embodiment, and are not described in detail. In particular, in the mixing step, the mixing step is mainly provided with an unsaturated polyester resin, and based on the secondary aluminum slag, An unsaturated polyester resin is added to the secondary aluminum slag in an amount of 1.5 to 3% by weight of the secondary aluminum slag, and the unsaturated polyester resin is mixed with the secondary aluminum slag to form a mixed mixture, After the unsaturated polyester resin is hardened, it can also form a protective layer on the shape of the secondary aluminum slag, thereby avoiding direct contact of the air and moisture in the environment with the secondary aluminum slag, and avoiding the steelmaking accelerator. The metal aluminum is oxidized and deteriorated again, so that the preservation effect of the steelmaking accelerator can be improved, and further, the particles in the secondary aluminum slag can be bonded and fixed to each other, and the steelmaking accelerator can be ensured to have a certain strength after forming. And the steelmaking accelerator can avoid the transportation process The effect of cracking and separating in vibration effectively increases the convenience of subsequent use.
以下將以實驗例進行說明，分別以未經處理之二次鋁渣，以及拌合步驟、輾壓步驟後測試成球強度(藉由日本工業規格(Japanese Industrial Standards；JIS)第M8712-2009號之檢測方法測量其滾筒強度，其中成品球經滾筒轉動摔落13圈後，留於篩網上之比率)，如下表：表二、以該二次鋁渣為100%重量百分比時，以加入有0.5%、1.5%、3%不飽和聚酯樹脂及不經輪輾與經過輪壓的成球強度結果：
仍續前述，由上表中可知，將未經處理之二次鋁渣經造粒步驟後進行測試，其成球強度僅有17.9%，另在於造粒步驟前先經輾壓處理，反而強度降低至16.9%，因此，雖二次鋁渣可直接靠壓力壓球成型，但其成球強度很差，容易在運送過程就造成崩解分離之現象；另外，該二次鋁渣再經添加有0.5%的不飽和聚酯樹脂進行拌合後再進行造粒步驟時，即可將成品球強度提升至81%，另外如造粒步驟前再經一輪輾步驟時，可將強度提升至85.5%；另外，當不飽和聚酯樹脂提升到1.5%、3%時，其不經輾壓與經輾壓都有不錯的表現；此外，本案實驗例進行時，拌合過程並無放熱及氨氣臭味產生，另，造粒過程中脫模過程中也不沾黏，最後該不飽和聚酯樹脂將於該二次鋁渣外形成一保護層，促使成品硬度高不易粉碎之情事。 Continuing from the above, it can be seen from the above table that the untreated secondary aluminum slag is tested after the granulation step, and the ball-forming strength is only 17.9%, and the other is subjected to rolling treatment before the granulation step, but the strength is reversed. It is reduced to 16.9%. Therefore, although the secondary aluminum slag can be directly formed by pressure ball molding, its ball forming strength is very poor, and it is easy to cause disintegration and separation during transportation; in addition, the secondary aluminum slag is added again. When 0.5% of the unsaturated polyester resin is mixed and then subjected to the granulation step, the strength of the finished ball can be increased to 81%, and the strength can be increased to 85.5 by a round of boring step before the granulation step. In addition, when the unsaturated polyester resin is raised to 1.5% and 3%, it has good performance without rolling and rolling; in addition, when the experimental example is carried out, there is no exothermic and ammonia during the mixing process. The gas odor is generated. In addition, the granulation process is not sticky during the demolding process. Finally, the unsaturated polyester resin will form a protective layer outside the secondary aluminum slag, which promotes the high hardness of the finished product and is not easy to be pulverized.
歸納前述，本發明煉鋼促進劑之製造方法，其依序透過該準備、拌合、造粒等步驟，其藉由該拌合步驟中，其挑選一定成分之二次鋁渣後，透過一糖蜜或不飽和聚酯樹脂，使該糖蜜或不飽和聚酯樹脂與二次鋁渣予以混合後，將形成一具有黏結性之混拌物，最後該造粒步驟再將該混拌物予以壓球造粒成複數粒狀物之煉鋼促進劑，使該二次鋁渣外層形成有一保護層，有效降低環境中之空氣與水氣影響該二次鋁渣，如 此將可確保該煉鋼促進劑之品質，以及形成粒狀後仍具有一定之強度，避免運輸震動而造成崩裂分離之功效。 In the above, the method for producing a steelmaking accelerator according to the present invention sequentially passes through the steps of preparation, mixing, granulation, etc., wherein the second aluminum slag of a certain composition is selected by the mixing step, and then passed through a Molasses or unsaturated polyester resin, after the molasses or unsaturated polyester resin is mixed with the secondary aluminum slag, a cohesive mixture is formed, and finally the granulation step is pressed The ball is granulated into a plurality of granular steel-making accelerators, so that a protective layer is formed on the outer layer of the secondary aluminum slag, thereby effectively reducing the influence of air and moisture in the environment on the secondary aluminum slag, such as This will ensure the quality of the steelmaking accelerator, and still have a certain strength after the formation of the granules, and avoid the transportation shock to cause the crack separation.
惟以上所述者，僅為說明本發明之較佳實施例而已，當不能以此限定本發明實施之範圍，即大凡依本發明申請專利範圍及發明說明書內容所作之簡單的等效變化與修飾，皆應仍屬本發明專利涵蓋之範圍內。 The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made in accordance with the scope of the present invention and the contents of the description of the invention. All should remain within the scope of the invention patent.
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| TWI894914B (en) * | 2024-04-15 | 2025-08-21 | 行富投資股份有限公司 | Aluminum alloy deoxidizer with carbon compounds |
| TWI896079B (en) * | 2024-04-15 | 2025-09-01 | 行富投資股份有限公司 | Deoxidizer with aluminum-containing material |
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| TW407068B (en) * | 1998-09-11 | 2000-10-01 | Ind Tech Res Inst | The method of fabricating water-preserving brick by utilizing the second aluminum dregs |
| TW201400438A (en) * | 2012-06-25 | 2014-01-01 | Univ Cheng Shiu | A flue dust of an aluminum smelting aggregate manufacturing methods |
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| TW407068B (en) * | 1998-09-11 | 2000-10-01 | Ind Tech Res Inst | The method of fabricating water-preserving brick by utilizing the second aluminum dregs |
| TW201400438A (en) * | 2012-06-25 | 2014-01-01 | Univ Cheng Shiu | A flue dust of an aluminum smelting aggregate manufacturing methods |
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| TWI894914B (en) * | 2024-04-15 | 2025-08-21 | 行富投資股份有限公司 | Aluminum alloy deoxidizer with carbon compounds |
| TWI896079B (en) * | 2024-04-15 | 2025-09-01 | 行富投資股份有限公司 | Deoxidizer with aluminum-containing material |
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