JPH0228527B2 - - Google Patents
Info
- Publication number
- JPH0228527B2 JPH0228527B2 JP19045082A JP19045082A JPH0228527B2 JP H0228527 B2 JPH0228527 B2 JP H0228527B2 JP 19045082 A JP19045082 A JP 19045082A JP 19045082 A JP19045082 A JP 19045082A JP H0228527 B2 JPH0228527 B2 JP H0228527B2
- Authority
- JP
- Japan
- Prior art keywords
- blast furnace
- furnace slag
- grinding
- added
- salts
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000000227 grinding Methods 0.000 claims description 24
- 239000002893 slag Substances 0.000 claims description 21
- -1 ester salts Chemical class 0.000 claims description 14
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 6
- 229930195729 fatty acid Natural products 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 6
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000012752 auxiliary agent Substances 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- CDOUZKKFHVEKRI-UHFFFAOYSA-N 3-bromo-n-[(prop-2-enoylamino)methyl]propanamide Chemical compound BrCCC(=O)NCNC(=O)C=C CDOUZKKFHVEKRI-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 235000019329 dioctyl sodium sulphosuccinate Nutrition 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 2
- OXLXSOPFNVKUMU-UHFFFAOYSA-N 1,4-dioctoxy-1,4-dioxobutane-2-sulfonic acid Chemical class CCCCCCCCOC(=O)CC(S(O)(=O)=O)C(=O)OCCCCCCCC OXLXSOPFNVKUMU-UHFFFAOYSA-N 0.000 description 1
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical compound [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Disintegrating Or Milling (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture Of Iron (AREA)
Description
本発明は高炉スラグを粉砕する時に添加する高
炉スラグ粉砕用助剤に関するものである。
周知のとおり、ポルトランドセメントに次いで
広く使用される高炉セメントは、製鉄用高炉から
でるスラグを急冷し粉砕した高炉スラグとポルト
ランドセメントの混合物である。従つて、高炉ス
ラグをセメント原料として使用するためには、高
炉スラグを微粉化する必要があるが、高炉スラグ
はガラス質であり粉砕強度が大きく、ポルトラン
ドセメントに比較して多大の粉砕エネルギーを要
するため有効な粉砕用助剤の開発が待望されてい
た。
従来、高炉スラグの粉砕用助剤としてジエチレ
ングリコールやトリエタノールアミン等の水溶液
を添加する方法が知られているが、これらの方法
は高炉スラグに水だけを添加して粉砕する方法よ
りは粉砕効果が良好であるものの、これらの方法
よりも、何等の粉砕用助剤も添加することなく粉
砕する方がかえつて粉砕が早いため実際には高炉
スラグは何等の粉砕用助剤も添加することなくそ
のままで粉砕されているのが現状である。
本発明者等はかかる現状に鑑み、粉砕用助剤の
開発に専念した結果、スルホコハク酸ジアルキル
エステル塩及び硫酸化脂肪酸塩からなる群から選
ばれた１種又は２種以上を含有する化合物が粉砕
用助剤として著しく有効であることを見出し、本
発明を完成した。
本発明において、スルホコハク酸ジアルキルエ
ステル塩としては各種のエステル塩が用いられる
が、その代表的なものとしてはスルホコハク酸ジ
オクチルエステル塩が挙げられる。
又、硫酸化脂肪酸としてはα−スルホン化脂肪
酸は勿論のこと不飽和脂肪酸又は不飽和脂肪酸エ
ステルのエポキシ化物を硫酸エステル化したもの
が挙げられ、これらの硫酸化脂肪酸のアルカリ金
属塩、アンモニウム塩、有機アミン塩が本発明の
高炉スラグ粉砕用助剤として用いられる。
上記したスルホコハク酸ジアルキルエステル塩
及び硫酸化脂肪酸塩からなる群から選ばれた１種
又は２種以上の化合物はそのままの形で又は水溶
液の形でグリコール類、グリコールエーテル類の
溶液の形で粉砕用助剤として用いることができ
る。
これらの塩類助剤は溶液の形にすることにより
低粘度化できるため粉砕用助剤としてより均一な
添加ができる。
しかしながら、水には高炉スラグ粉砕効果を抑
制する性質があるから、水溶液の形で使用するよ
りも、エチレングリコール、プロピレングリコー
ル、ジエチレングリコール、トリエチレングリコ
ール、ジプロピレングリコール、トリプロピレン
グリコール、グリセリンなどのようなグリコール
類又はグリコールエーテル類の溶液の形で用いる
方が好ましい粉砕効果を得ることができる。
水溶液の形で用いるときは、水溶液の添加量を
増やすよりも、高濃度水溶液を添加する方が好結
果が得られる。
上記した本発明の粉砕用助剤は通常高炉スラグ
に対し0.005〜0.5wt％の量を添加することによつ
て、高炉スラグ粉砕の粉砕効率を高め粉砕時間を
大幅に短縮することができる。
次に、テスト用ポツトミルを用いて本発明の粉
砕用助剤の効果を測定した実施例の数例並びに比
較例を示す。
粉砕方法はテスト用ポツトミルに直径30mmと17
mmの鋳鉄製ボール各2.5Kgを投入し、次いで充分
乾燥した高炉水サイスラグ（新日本製鉄化学工業
株式会社製）600ｇと所要量の粉砕用助剤（以下
単に助剤と略記する）を投入し、85rpmの回転速
度で粉砕する。粉砕効果の評価は１時間毎にサン
プリングを行い、各サンプルのブレーン比表面積
をJIS−Ｒ−5201の方法により測定し、粉砕時間
とブレーン比表面積値のグラフ曲線から、ブレー
ン比表面積値3500cm2／ｇが得られる迄に要する粉
砕時間を求め、この粉砕時間を比較した。以下％
表示は全てwt％である。
実施例 １
上記方法に従つて、助剤としてスルホコハク酸
ジオクチルナトリウム塩（エーロゾルOT、和光
純薬工業株式会社製）の16.7％水溶液1.8ｇ（高
炉スラグに対し0.3％）を添加し、粉砕した。粉
砕時間は470分であつた。
実施例 ２
助剤としてスルホコハク酸ジオクチルナトリウ
ム塩の50％エチレングリコール溶液0.18ｇ（高炉
スラグに対し0.03％）を添加し粉砕した。粉砕時
間は400分であつた。
実施例 ３
助剤として、トール油脂肪酸をその不飽和結合
を利用してエポキシ化した後、硫酸エステル化し
たもののナトリウム塩の50％水溶液0.36ｇ（高炉
スラグに対し0.06％）を添加し粉砕した。粉砕時
間は440分であつた。
比較例 １
何等の助剤も用いることなく、高炉スラグをそ
のままで粉砕した。粉砕時間は480分であつた。
比較例 ２
助剤として、水のみを使用し、水1.8ｇ（高炉
スラグに対し0.3％）を添加し粉砕した。粉砕時
間は595分であつた。
上記した実施例及び比較例を一括表示すれば次
表のとおりであり、本発明の粉砕助剤の効果が良
好であることが明らかである。
The present invention relates to a blast furnace slag crushing aid that is added when crushing blast furnace slag. As is well known, blast furnace cement, which is widely used next to Portland cement, is a mixture of Portland cement and blast furnace slag, which is obtained by rapidly cooling and pulverizing slag from blast furnaces for steel manufacturing. Therefore, in order to use blast furnace slag as a raw material for cement, it is necessary to pulverize the blast furnace slag, but since blast furnace slag is glassy and has a high crushing strength, it requires a large amount of crushing energy compared to Portland cement. Therefore, the development of an effective grinding aid has been long awaited. Conventionally, methods of adding aqueous solutions such as diethylene glycol and triethanolamine as grinding aids to blast furnace slag have been known, but these methods have a better grinding effect than adding only water to blast furnace slag. Although these methods are good, it is actually faster to grind the blast furnace slag without adding any grinding aids than these methods. Currently, it is being crushed. In view of the current situation, the present inventors devoted themselves to the development of a grinding aid, and as a result, a compound containing one or more selected from the group consisting of sulfosuccinic acid dialkyl ester salts and sulfated fatty acid salts was crushed. It was discovered that it is extremely effective as an auxiliary agent, and the present invention was completed. In the present invention, various ester salts are used as the sulfosuccinic acid dialkyl ester salt, and a typical example thereof is sulfosuccinic acid dioctyl ester salt. Sulfated fatty acids include not only α-sulfonated fatty acids but also sulfuric esters of unsaturated fatty acids or epoxidized unsaturated fatty acid esters, and alkali metal salts, ammonium salts, Organic amine salts are used as blast furnace slag grinding aids in the present invention. One or more compounds selected from the group consisting of the above-mentioned sulfosuccinic acid dialkyl ester salts and sulfated fatty acid salts are used for pulverization in the form of a solution of glycols or glycol ethers, as they are, or in the form of an aqueous solution. It can be used as an auxiliary agent. These salt aids can be made into a solution to lower their viscosity, so they can be added more uniformly as grinding aids. However, since water has the property of suppressing the blast furnace slag crushing effect, it is preferable to use ethylene glycol, propylene glycol, diethylene glycol, triethylene glycol, dipropylene glycol, tripropylene glycol, glycerin, etc. rather than using it in the form of an aqueous solution. A preferable pulverizing effect can be obtained by using glycols or glycol ethers in the form of a solution. When used in the form of an aqueous solution, better results can be obtained by adding a highly concentrated aqueous solution than by increasing the amount of the aqueous solution added. By adding the above-described grinding aid of the present invention in an amount of 0.005 to 0.5 wt% to blast furnace slag, it is possible to improve the grinding efficiency of blast furnace slag grinding and significantly shorten the grinding time. Next, several examples and comparative examples will be shown in which the effects of the grinding aid of the present invention were measured using a test pot mill. The grinding method is a test pot mill with a diameter of 30 mm and 17
2.5 kg of each 2.5 mm cast iron balls were added, and then 600 g of thoroughly dried blast furnace water sizing slag (manufactured by Nippon Steel Chemical Industry Co., Ltd.) and the required amount of grinding aid (hereinafter simply referred to as aid) were added. , grinding at a rotation speed of 85 rpm. To evaluate the crushing effect, samples were taken every hour, and the Blaine specific surface area of each sample was measured according to the method of JIS-R-5201. From the graph curve of the crushing time and Blaine specific surface area value, the Blaine specific surface area value was 3500 cm 2 / The grinding time required to obtain g was determined, and the grinding times were compared. below%
All values shown are wt%. Example 1 According to the above method, 1.8 g of a 16.7% aqueous solution (0.3% based on blast furnace slag) of dioctyl sodium sulfosuccinate (Aerosol OT, manufactured by Wako Pure Chemical Industries, Ltd.) as an auxiliary agent was added and pulverized. The grinding time was 470 minutes. Example 2 0.18 g of a 50% ethylene glycol solution of dioctyl sodium sulfosuccinate (0.03% based on blast furnace slag) was added as an auxiliary agent and pulverized. The grinding time was 400 minutes. Example 3 As an auxiliary agent, tall oil fatty acids were epoxidized using their unsaturated bonds, and then 0.36 g of a 50% aqueous solution of sodium salt of the sulfuric acid ester (0.06% based on blast furnace slag) was added and pulverized. . The grinding time was 440 minutes. Comparative Example 1 Blast furnace slag was pulverized as it was without using any auxiliaries. The grinding time was 480 minutes. Comparative Example 2 Only water was used as an auxiliary agent, and 1.8 g of water (0.3% based on blast furnace slag) was added and pulverized. The grinding time was 595 minutes. The above-mentioned Examples and Comparative Examples are summarized in the following table, and it is clear that the effect of the grinding aid of the present invention is good.
【表】【table】
Claims (1)
酸化脂肪酸塩からなる群より選ばれた１種又は２
種以上の化合物を含有することを特徴とする高炉
スラグ粉砕助剤。1 One or two selected from the group consisting of sulfosuccinic acid dialkyl ester salts and sulfated fatty acid salts
A blast furnace slag grinding aid characterized by containing more than one type of compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57190450A JPS5978961A (en) | 1982-10-28 | 1982-10-28 | Blast furnace slag granulation aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57190450A JPS5978961A (en) | 1982-10-28 | 1982-10-28 | Blast furnace slag granulation aid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5978961A JPS5978961A (en) | 1984-05-08 |
| JPH0228527B2 true JPH0228527B2 (en) | 1990-06-25 |
Family
ID=16258329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57190450A Granted JPS5978961A (en) | 1982-10-28 | 1982-10-28 | Blast furnace slag granulation aid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5978961A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4770147B2 (en) * | 2004-09-17 | 2011-09-14 | 栗田工業株式会社 | Coal dry grinding aid and dry grinding method |
| JP5122390B2 (en) * | 2007-08-10 | 2013-01-16 | 花王株式会社 | Method for producing hydraulic powder |
| JP5055219B2 (en) | 2007-08-10 | 2012-10-24 | 花王株式会社 | Method for producing hydraulic powder |
-
1982
- 1982-10-28 JP JP57190450A patent/JPS5978961A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5978961A (en) | 1984-05-08 |
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