JPH09220715A - Production of mortar or concrete - Google Patents
Production of mortar or concreteInfo
- Publication number
- JPH09220715A JPH09220715A JP8053751A JP5375196A JPH09220715A JP H09220715 A JPH09220715 A JP H09220715A JP 8053751 A JP8053751 A JP 8053751A JP 5375196 A JP5375196 A JP 5375196A JP H09220715 A JPH09220715 A JP H09220715A
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- powder
- fine powder
- specific gravity
- mortar
- 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.)
- Pending
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、微粉末を用いたモ
ルタル又はコンクリートの製造方法に関するものであ
る。TECHNICAL FIELD The present invention relates to a method for producing mortar or concrete using fine powder.
【０００２】[0002]
【従来の技術】従来、シリカフュームのような比重の軽
い微粉体を空気圧送方式で運搬車からレディーミックス
トコンクリート工場の粉体サイロに入れている。又は、
微粉末をスラリー状にして使用している。2. Description of the Related Art Conventionally, a fine powder having a low specific gravity such as silica fume is put into a powder silo of a ready-mixed concrete factory from a carrier by an air pressure feeding method. Or
The fine powder is used as a slurry.
【０００３】しかし、従来の方法では、次のような問題
点がある。 ＜イ＞シリカフュームのような比重の軽い微粉末は、圧
送管の曲がり部で閉塞することが多かった。 ＜ロ＞微粉体を粉体サイロから計量器、及び、計量器か
らミキサーへ重力により落下させる場合、ゲートを開け
ても落下しない場合がある。 ＜ハ＞微粉末専用の設備を別に設置することは、設備が
大掛かりになる。 ＜ニ＞微粉末をスラリー状にする場合、スラリーの貯
蔵、運搬、流量計量の別の設備を設ける必要がある。However, the conventional method has the following problems. <A> Fine powder having a low specific gravity such as silica fume was often clogged at the bent portion of the pressure feeding pipe. <B> When the fine powder is dropped from the powder silo to the weighing instrument and from the weighing instrument to the mixer by gravity, it may not be dropped even if the gate is opened. <C> Installing a separate facility dedicated to fine powders requires a large amount of equipment. <D> When making the fine powder into a slurry, it is necessary to provide another facility for storing, transporting, and measuring the flow rate of the slurry.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、従来の設備
を使用して、微粉末を使用したモルタル又はコンクリー
トを製造することにある。SUMMARY OF THE INVENTION The present invention is to produce mortar or concrete using fine powder using conventional equipment.
【０００５】[0005]
【課題を解決するための手段】本発明は、微粉末を用い
たモルタル又はコンクリートの製造方法において、微粉
末より比重の重い粉体と微粉末とを混合して混合材を作
成し、該混合材を輸送し、骨材と混ぜてモルタル又はコ
ンクリートを製造することを特徴とする、モルタル又は
コンクリートの製造方法、又は、上記モルタル又はコン
クリートの製造方法において、微粉末はシリカフューム
であり、比重の重い粉体はポルトランドセメント、スラ
グ石膏系結合材、フライアッシュ、高炉スラグ微粉末及
び石灰石粉の少なくとも１種類とすることを特徴とす
る、モルタル又はコンクリートの製造方法にある。The present invention relates to a method for producing mortar or concrete using fine powder, in which a powder having a higher specific gravity than the fine powder is mixed with the fine powder to prepare a mixed material, and the mixed material is mixed. In the method for producing mortar or concrete, characterized in that the material is transported and mixed with aggregate to produce mortar or concrete, in the method for producing mortar or concrete, the fine powder is silica fume and has a high specific gravity. The powder is at least one kind of portland cement, slag gypsum-based binder, fly ash, blast furnace slag fine powder and limestone powder, and a method for producing mortar or concrete is provided.
【０００６】[0006]
【発明の実施の形態】以下、図面を用いて本発明の実施
の形態を説明する。Embodiments of the present invention will be described below with reference to the drawings.
【０００７】＜イ＞モルタル又はコンクリートプラント
の概要 モルタル又はコンクリートを製造するプラントは、既存
のものが使用でき、図１にその一例を示す。微粉末と微
粉末より比重の重い粉体を混合機１で混合して混合材を
作り、混合材を輸送管２を通して粉体サイロ３に輸送す
る。<A> Outline of mortar or concrete plant As a plant for producing mortar or concrete, an existing plant can be used, and an example thereof is shown in FIG. The fine powder and the powder having a specific gravity higher than that of the fine powder are mixed by the mixer 1 to prepare a mixed material, and the mixed material is transported to the powder silo 3 through the transport pipe 2.
【０００８】一方、骨材は、ベルトコンベア５で骨材貯
蔵部６に収納する。モルタル又はコンクリートを製造す
る段階で、混合材を粉体計量ホッパ４で計量し、骨材を
骨材計量ホッパ７で計量する。そして、混合材と骨材を
所定の割合でミキサ部９に送り混合する。その際、水貯
蔵タンク８から水をミキサ部９に所定量注入してモルタ
ル又はコンクリートを製造し、コンクリートホッパ１０
から排出する。On the other hand, the aggregate is stored in the aggregate storage unit 6 by the belt conveyor 5. At the stage of producing mortar or concrete, the mixed material is weighed by the powder weighing hopper 4 and the aggregate is weighed by the aggregate weighing hopper 7. Then, the mixed material and the aggregate are sent to the mixer section 9 at a predetermined ratio and mixed. At that time, a predetermined amount of water is injected from the water storage tank 8 into the mixer section 9 to produce mortar or concrete, and the concrete hopper 10
Discharged from
【０００９】＜ロ＞混合体 高品質で高強度のモルタル又はコンクリートは、粒子が
細かく比重の軽い微粉末とセメントを混合して得られた
粉体を使用して製造される。<B> Mixture A high-quality, high-strength mortar or concrete is produced by using a fine powder having fine particles and a low specific gravity and a powder obtained by mixing cement.
【００１０】微粉末は、例えば、比重２．２のシリカフ
ューム（比表面積は２００，０００ｃｍ2 ／ｇ程度）が
使用できる。シリカフュームは粒子が細かく比重の軽い
微粉末であるので、粒子が大きく比重の重い他の粉体
（例えば普通のポルトランドセメント（比表面積は３，
０００〜３，５００ｃｍ2 ／ｇ程度））と混ぜ合わせ
て、全体で（トータルとして）粒子が大きく比重の重い
混合体の粉体として使用する。As the fine powder, for example, silica fume having a specific gravity of 2.2 (specific surface area of about 200,000 cm 2 / g) can be used. Since silica fume is a fine powder with fine particles and light specific gravity, other powders with large particles and heavy specific gravity (for example, ordinary Portland cement (specific surface area: 3,
000-3,500 cm 2 / g)) and is used as a powder of a mixture having a large particle size (in total) and a high specific gravity.
【００１１】微粉体より比重の重い粉体として、例え
ば、比重３．１６のポルトランドセメント、比重２．９
２２のスラグ石膏系混和材、比重２．２０のフライアッ
シュ、比重２．９０の高炉スラグ微粉末、比重２．７０
の石灰石粉などの粉体が使用される。As the powder having a specific gravity higher than that of the fine powder, for example, Portland cement having a specific gravity of 3.16 and specific gravity of 2.9.
22 slag gypsum-based admixture, fly ash with specific gravity 2.20, blast furnace slag fine powder with specific gravity 2.90, specific gravity 2.70
Powders such as limestone powder of
【００１２】＜ハ＞モルタル又はコンクリートの製造方
法 セメント工場などで使用されている混合セメントを製造
する既存の混合機１を用いて、微粉末と比重の重い粉体
を混合して、混合体を製造する。例えば、微粉末は、取
扱いが難しいので１トン袋積めの荷姿で運搬され、混合
機１に投入され、比重の重い粉体は、それぞれのサイロ
から混合機１に輸送され投入される。<C> Method for producing mortar or concrete Using an existing mixer 1 for producing mixed cement used in a cement factory or the like, fine powder and powder having a high specific gravity are mixed to form a mixture. To manufacture. For example, since the fine powder is difficult to handle, it is transported in the form of a 1-ton bag-packed product and loaded into the mixer 1, and the powder having a large specific gravity is transported into the mixer 1 from each silo and loaded.
【００１３】[0013]
【発明の実施例】以下に、コンクリートの製造の実施例
と比較例を説明する。Examples of concrete production and comparative examples will be described below.
【００１４】＜イ＞コンクリートの調合 実施例では、表１に示すように、比重２．９８の混合
材、比重２．６１の細骨材６８５ｋｇ、比重２．６６の
粗骨材９０２ｋｇ、比重１．０の高性能ＡＥ減水剤１
３．６ｋｇ、及び比重１．０の水１５０ｋｇを混合して
コンクリートを製造する。混合材は、表２に示すよう
に、比重３．１６のポルトランドセメント４７８ｋｇ、
比重２．９２のスラグ石膏系混和材１３６ｋｇ及び比重
２．２のシリカフューム６８ｋｇを混合して製造され
る。<B> Mixing of concrete In the examples, as shown in Table 1, a mixed material having a specific gravity of 2.98, a fine aggregate 685 kg having a specific gravity of 2.61, a coarse aggregate 902 kg having a specific gravity of 2.66, and a specific gravity of 1 High-performance AE water reducing agent 1 of 0.0
Concrete is manufactured by mixing 3.6 kg and 150 kg of water having a specific gravity of 1.0. As shown in Table 2, the mixed material is 478 kg of Portland cement having a specific gravity of 3.16,
It is manufactured by mixing 136 kg of a slag gypsum-based admixture having a specific gravity of 2.92 and 68 kg of silica fume having a specific gravity of 2.2.
【００１５】[0015]
【表１】 [Table 1]
【００１６】[0016]
【表２】 [Table 2]
【００１７】比較例では、混合材を使用せず、同一成分
である比重３．１６のポルトランドセメント４７８ｋ
ｇ、比重２．９２のスラグ石膏系混和材１３６ｋｇ及び
比重２．２のシリカフューム６８ｋｇをそのまま使用
し、それ以外は、全て同一成分を使用する。In the comparative example, no mixed material was used, and the same component Portland cement 478k having a specific gravity of 3.16
g, 136 kg of a slag-gypsum-based admixture having a specific gravity of 2.92 and 68 kg of silica fume having a specific gravity of 2.2 are used as they are, and otherwise, the same components are used.
【００１８】＜ロ＞製造実験結果 図１の様な既存のコンクリートプラントにおいて調合し
た成分を用いてコンクリートを製造する場合、比較例で
は、シリカフュームを粉体運搬車からプラントの粉体サ
イロ３に圧送して輸送管２を通して輸送する際、輸送管
２の曲り部が閉塞し、また、シリカフュームが軽いため
に、粉体計量ホッパ４からミキサ部９へ投入できず、シ
リカフュームは粉体計量ホッパ４の位置から直接ミキサ
部９に手投入し、作業に多大の時間を要した。<B> Manufacturing Experiment Results When a concrete is manufactured using the components mixed in the existing concrete plant as shown in FIG. 1, in the comparative example, silica fume is pressure-fed from the powder carrier to the powder silo 3 of the plant. When transporting through the transport pipe 2, the bent portion of the transport pipe 2 is blocked, and since the silica fume is light, it cannot be charged from the powder measuring hopper 4 into the mixer unit 9, and the silica fume is stored in the powder measuring hopper 4. A large amount of time was required for the operation by directly inserting the mixer unit 9 from the position.
【００１９】一方、実施例では、混合材は、比重が大き
いので、輸送管２内の閉塞がなく、また、粉体計量ホッ
パ４からミキサ部９へ容易に投入できた。なお、実施例
も比較例も同一成分で同一量で製造されるので、コンク
リートの強度は同等であった。On the other hand, in the embodiment, since the specific gravity of the mixed material is large, the transportation pipe 2 is not clogged and the powder weighing hopper 4 can be easily charged into the mixer portion 9. Since the examples and the comparative examples were produced with the same components and in the same amount, the concrete had the same strength.
【００２０】[0020]
【発明の効果】本発明は、次のような効果を得ることが
できる。 ＜イ＞既存のモルタル又はコンクリートプラントの既存
の設備を変更することなく、シリカフュームのような微
粉末を用いることができるので、既存の設備でも高品
質、高強度のコンクリートを短時間にかつ容易に製造す
ることができる。According to the present invention, the following effects can be obtained. <a> Fine powder such as silica fume can be used without changing existing equipment of existing mortar or concrete plant, so high quality and high strength concrete can be easily and quickly produced with existing equipment. It can be manufactured.
【図１】既存のモルタル又はコンクリートプラントFigure 1: Existing mortar or concrete plant
Claims (2)
の製造方法において、 微粉末より比重の重い粉体と微粉末とを混合して混合材
を作成し、 該混合材を輸送し、骨材と混ぜてモルタル又はコンクリ
ートを製造することを特徴とする、 モルタル又はコンクリートの製造方法。1. A method for producing mortar or concrete using fine powder, wherein powder having a specific gravity higher than that of fine powder and fine powder are mixed to prepare a mixed material, and the mixed material is transported to produce an aggregate. A method for producing mortar or concrete, characterized by producing mortar or concrete by mixing.
トの製造方法において、 微粉末はシリカフュームであり、 比重の重い粉体はポルトランドセメント、スラグ石膏系
結合材、フライアッシュ、高炉スラグ微粉末及び石灰石
粉の少なくとも１種類とすることを特徴とする、 モル
タル又はコンクリートの製造方法。2. The method for producing mortar or concrete according to claim 1, wherein the fine powder is silica fume, and the powder having a high specific gravity is Portland cement, slag gypsum-based binder, fly ash, blast furnace slag fine powder and limestone. A method for producing mortar or concrete, characterized in that at least one type of powder is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8053751A JPH09220715A (en) | 1996-02-16 | 1996-02-16 | Production of mortar or concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8053751A JPH09220715A (en) | 1996-02-16 | 1996-02-16 | Production of mortar or concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09220715A true JPH09220715A (en) | 1997-08-26 |
Family
ID=12951523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8053751A Pending JPH09220715A (en) | 1996-02-16 | 1996-02-16 | Production of mortar or concrete |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09220715A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264447A (en) * | 2013-04-07 | 2013-08-28 | 深圳市为海建材有限公司 | Novel environment-protective premixing mortar production apparatus |
| CN105092003A (en) * | 2015-09-25 | 2015-11-25 | 苏州聚冠复合材料有限公司 | Built granule-and-powder mixed weightlessness weighing scale platform device |
| IT201800011068A1 (en) * | 2018-12-13 | 2020-06-13 | Geomits S R L | PROCESS AND PLANT FOR THE PRODUCTION OF PRODUCTS BASED ON GEOPOLYMERIC BINDERS |
-
1996
- 1996-02-16 JP JP8053751A patent/JPH09220715A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264447A (en) * | 2013-04-07 | 2013-08-28 | 深圳市为海建材有限公司 | Novel environment-protective premixing mortar production apparatus |
| CN105092003A (en) * | 2015-09-25 | 2015-11-25 | 苏州聚冠复合材料有限公司 | Built granule-and-powder mixed weightlessness weighing scale platform device |
| CN105092003B (en) * | 2015-09-25 | 2017-12-22 | 苏州聚冠复合材料有限公司 | A kind of grain powder mixed type weight-loss metering scale stage apparatus built |
| IT201800011068A1 (en) * | 2018-12-13 | 2020-06-13 | Geomits S R L | PROCESS AND PLANT FOR THE PRODUCTION OF PRODUCTS BASED ON GEOPOLYMERIC BINDERS |
| WO2020121264A1 (en) * | 2018-12-13 | 2020-06-18 | Geomits S.R.L. | Process and plant for the production of products based on geo-polymeric binders |
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