JPS5978960A - Blast furnace slag granulation aid - Google Patents
Blast furnace slag granulation aidInfo
- Publication number
- JPS5978960A JPS5978960A JP57190449A JP19044982A JPS5978960A JP S5978960 A JPS5978960 A JP S5978960A JP 57190449 A JP57190449 A JP 57190449A JP 19044982 A JP19044982 A JP 19044982A JP S5978960 A JPS5978960 A JP S5978960A
- Authority
- JP
- Japan
- Prior art keywords
- blast furnace
- furnace slag
- salts
- fatty acid
- grinding
- 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.)
- Granted
Links
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)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
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。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a blast furnace slag crushing aid added when blast furnace slag is crushed.
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。従って、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。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. The development of an effective grinding aid has been long awaited.
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っ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。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. The current situation is that it is being crushed.
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、脂肪酸、ロジン及びそれらの塩類からなる
群から選ばれた１種又は２種以上の混合物が粉砕用助剤
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。In view of the current situation, the present inventors devoted themselves to the development of a grinding aid, and as a result, a mixture of one or more selected from the group consisting of fatty acids, rosin, and salts thereof has been found to be highly effective as a grinding aid. They found that it is effective and completed the present invention.
本発明において、脂肪酸としては牛脂オレイン酸、トー
ル油脂肪酸、大豆油脂肪酸、ヤシ油脂肪酸、パーム油脂
肪酸、ヒマシ油脂肪酸などのような動植物油脂肪酸又は
合成脂肪酸が用いられる。ロジンとしてはガムロジン、
ウッドロジン、トールロジンは勿論のことホルムアルデ
ヒドなどで処理したロジンやマレイン酸、フマル酸、ア
クリル酸などを付加したロジンも用いられる。又、上記
した脂肪酸及びロジンの塩類としてはリチウム、ナトリ
ウム、カリウムなどのアルカリ金属塩、アンモニウム塩
のほか、エタノールアミン、プロパツールアミンなどの
アルカノールアミン類やアルキルアミン類などのような
有機アミンの塩が用いられる。In the present invention, as the fatty acid, animal and vegetable oil fatty acids or synthetic fatty acids such as beef tallow oleic acid, tall oil fatty acid, soybean oil fatty acid, coconut oil fatty acid, palm oil fatty acid, and castor oil fatty acid are used. As rosin, gum rosin,
Not only wood rosin and tall rosin, but also rosin treated with formaldehyde, etc., and rosin added with maleic acid, fumaric acid, acrylic acid, etc. are also used. In addition, the salts of fatty acids and rosin mentioned above include salts of alkali metals such as lithium, sodium, and potassium, and ammonium salts, as well as salts of organic amines such as alkanolamines and alkylamines such as ethanolamine and propatoolamine. is used.
上記した脂肪酸、ロジン及びそれらの塩類からなる群か
ら選ばれた１種又は２種以上の混合物をそのままの形で
又は水溶液の形で又はグリコール類、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
。A grinding aid in which one or a mixture of two or more selected from the group consisting of fatty acids, rosins, and salts thereof as described above is used as it is, in the form of an aqueous solution, or in the form of a solution of glycols or glycol ethers. It can be used as
脂肪酸、ロジン及びそれらの塩類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。Fatty acids, rosins, and their salts can be made into a solution to lower their viscosity, so they can be added more uniformly as grinding aids.
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。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.
水溶液の形で用ａ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。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.
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って、
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。The above-mentioned grinding aid of the present invention has a zero
．． By adding an amount of 0.005 to 0.5 wt%,
The grinding efficiency of blast furnace slag grinding can be improved and the grinding time can be significantly shortened.
次に、テスト用ポッ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。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.
粉砕方法はテスト用ボットミルに直径３ＱｌＫ１！と１
７ｍ５の鋳鉄製ボール各Ｑ、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） ６００９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、８５ ｒｐｍ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、各サンプルのプレーン比表面積をＪ工５−Ｒ−５２
０１の方法により測定し、粉砕時間とプレーン比表面積
値のグラフ曲線から、プレーン比表面積値３５００ｃｍ
’／ｌ。The grinding method is a test bot mill with a diameter of 3QlK1! and 1
Add 5 kg of each 7 m5 cast iron ball Q, then add thoroughly dried blast furnace water scythe slag (manufactured by Nippon Steel Chemical Industry Co., Ltd.) 6009 and the required amount of grinding aid (hereinafter simply referred to as aid). and mill at a rotation speed of 85 rpm. To evaluate the crushing effect, samples were taken every hour, and the plain specific surface area of each sample was measured using J-K5-R-52.
Measured by the method of 01, and from the graph curve of grinding time and plain specific surface area value, plain specific surface area value 3500 cm
'/l.
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。The pulverization time required to obtain this was determined, and the pulverization times were compared. All percentages shown below are wt%.
実施例１
上記方法に従って、助剤としてトール油脂肪酸ｏ、１ｓ
９（高炉スラグに対して０．０３％である）を添加して
粉砕した。粉砕時間は４２０分であった。Example 1 According to the above method, tall oil fatty acid o, 1s as auxiliary agent
9 (0.03% based on blast furnace slag) was added and pulverized. The grinding time was 420 minutes.
実施例２
助剤として大豆油脂肪酸ナトリウム塩の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４０５分であった。Example 2 1.8 g of a 16.7% aqueous solution of soybean oil fatty acid sodium salt (0.3% based on blast furnace slag) was added as an auxiliary agent and pulverized. The grinding time was 405 minutes.
実施例３
助剤としてトール油脂肪酸トリエタノ−／ｌｚ ７ミン
塩の１６．７％水溶液１．ｓｑ（高炉スラグに対し０．
３％）を添加し粉砕した。粉砕時間は３９５分であった
。Example 3 A 16.7% aqueous solution of tall oil fatty acid triethanol/lz 7mine salt as an auxiliary agent. sq (0.0% for blast furnace slag)
3%) was added and pulverized. The milling time was 395 minutes.
実施例４
助剤としてトール油脂肪酸トリエタノ−７レアミン塩の
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。Example 4 0.18 g of a 50% ethylene glycol solution of tall oil fatty acid triethanol-7 leamine salt (0.03% based on blast furnace slag) was added as an auxiliary agent and pulverized.
粉砕時間は４１０分であった。The grinding time was 410 minutes.
実施例５
助剤としてヤシ油脂肪酸ナトリウム塩の１０％水溶液１
．ａｇ（高炉スラグに対し０．３％）を添加し粉砕した
。粉砕時間は４９５分であった。Example 5 10% aqueous solution 1 of coconut oil fatty acid sodium salt as auxiliary agent
．． Ag (0.3% based on blast furnace slag) was added and pulverized. The milling time was 495 minutes.
実施例６、
助剤としてマレイン化ガムロジンを２５％含有するガム
ロジンのカリウム塩の１６．７％水溶液１．８９（高炉
スラグに対し０．３％）を添加し粉砕した。粉砕時間は
４１０分であった。Example 6 1.89% (0.3% based on blast furnace slag) of a 16.7% aqueous solution of potassium salt of gum rosin containing 25% maleated gum rosin as an auxiliary agent was added and pulverized. The grinding time was 410 minutes.
比較例１ 助剤を用いず粉砕した。粉砕時間は４８０分であった。Comparative example 1 It was ground without using any auxiliaries. The grinding time was 480 minutes.
比較例２
助剤として、水を１．８ｇ（高炉スラグに対し０．３％
）添加し粉砕した。粉砕時間は５９５分であった。Comparative Example 2 1.8g of water (0.3% based on blast furnace slag) was used as an auxiliary agent.
) was added and ground. The grinding time was 595 minutes.
比較例３
助剤としてトリエタノールアミン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。Comparative Example 3 Triethanolamine 16.7% aqueous solution 1. as an auxiliary agent.
8g (0.3% based on blast furnace slag) was added and pulverized.
粉砕時間は５０５分であった。The grinding time was 505 minutes.
上記した実施例並びに比較例を一括して表示すれば次表
のとおりであり、本発明の助剤が優Ｊ１ていることが明
確である。The following table shows the above-mentioned Examples and Comparative Examples collectively, and it is clear that the auxiliary agent of the present invention is superior.
Claims (3)
選ばれた１種又は２種以上を含有することを特徴とする
高炉スラグ粉砕用助剤。(1) A blast furnace slag grinding aid characterized by containing one or more selected from the group consisting of fatty acids, rosin, and salts thereof.
１項記載の高炉スラグ粉砕用助剤。(2) The blast furnace slag crushing aid according to claim 1, wherein the fatty acid is an animal or vegetable oil fatty acid.
モニウム塩又は有機アミン塩である特許請求の範囲第１
項記載の高炉スラグ粉砕用助剤。(3) Claim 1 in which the fatty acid and rosin salts are alkali metal salts, ammonium salts, or organic amine salts.
Auxiliary agent for blast furnace slag grinding as described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57190449A JPS5978960A (en) | 1982-10-28 | 1982-10-28 | Blast furnace slag granulation aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57190449A JPS5978960A (en) | 1982-10-28 | 1982-10-28 | Blast furnace slag granulation aid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5978960A true JPS5978960A (en) | 1984-05-08 |
| JPH0228526B2 JPH0228526B2 (en) | 1990-06-25 |
Family
ID=16258310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57190449A Granted JPS5978960A (en) | 1982-10-28 | 1982-10-28 | Blast furnace slag granulation aid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5978960A (en) |
-
1982
- 1982-10-28 JP JP57190449A patent/JPS5978960A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0228526B2 (en) | 1990-06-25 |
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