JPS62236712A - Method and device for adding water-soluble high molecular compound to cement composition - Google Patents
Method and device for adding water-soluble high molecular compound to cement compositionInfo
- Publication number
- JPS62236712A JPS62236712A JP8059086A JP8059086A JPS62236712A JP S62236712 A JPS62236712 A JP S62236712A JP 8059086 A JP8059086 A JP 8059086A JP 8059086 A JP8059086 A JP 8059086A JP S62236712 A JPS62236712 A JP S62236712A
- Authority
- JP
- Japan
- Prior art keywords
- water
- soluble polymer
- polymer compound
- admixture
- cement composition
- 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
- 239000000203 mixture Substances 0.000 title claims description 78
- 150000001875 compounds Chemical class 0.000 title claims description 66
- 239000004568 cement Substances 0.000 title claims description 54
- 238000000034 method Methods 0.000 title claims description 16
- 229920003169 water-soluble polymer Polymers 0.000 claims description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 239000006185 dispersion Substances 0.000 claims description 20
- 239000007864 aqueous solution Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 description 18
- 239000000428 dust Substances 0.000 description 9
- 238000004898 kneading Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 description 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical group [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 150000001346 alkyl aryl ethers Chemical class 0.000 description 1
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polyoxyethylene Polymers 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (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】
〔産業上の利用分野〕
本発明は、水溶性高分子化合物をセメント組成物に添加
して練り混ぜる際の水溶性高分子化合物の添加方法及び
その装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for adding a water-soluble polymer compound to a cement composition and an apparatus therefor when adding the water-soluble polymer compound to a cement composition and kneading the compound.
壁面に施工したセメント組成物がずり落ちる現象、施工
したセメント組成物の表面にブリージングが生ずる現象
、多孔質層の油井にセメン１４１）成物を圧入する際に
セメント組成物が瞬結する現象或いはセメント組成物を
水中に打設する際にセメント組成物の成分が分離する現
象等を防止するために水溶性高分子化合物を添加して練
り混ぜ、セメント組成物に粘稠性を付与することが行な
われている。A phenomenon in which a cement composition applied to a wall surface slides down, a phenomenon in which breathing occurs on the surface of an applied cement composition, a phenomenon in which a cement composition instantaneously solidifies when a cement composition is injected into an oil well with a porous layer, or a phenomenon in which cement composition In order to prevent the components of the cement composition from separating when the composition is placed in water, a water-soluble polymer compound is added and mixed to give the cement composition viscosity. It is.
このような目的に用いられる水溶性高分子化合物は、例
えば特開昭５７−３９２１号公報、特開昭５９−１８１
４１号公報、特開昭５９−５４６５６号公報、特開昭６
０−４２２６４号公報、特開昭６１−２１９４５号公報
等に開示されるようにアクリル系重合体、ポリエチレン
オキサイド或いはセルロース誘導体であり、通常これら
は粉末の形態で使用されている。又、セメント組成物は
セメント、水よりなるセメントペースト、セメント水、
細骨材よりなるモルタル及びセメント。Water-soluble polymer compounds used for such purposes are disclosed in, for example, JP-A-57-3921 and JP-A-59-181.
No. 41, JP-A-59-54656, JP-A-Sho 6
As disclosed in JP-A No. 0-42264, JP-A No. 61-21945, etc., these are acrylic polymers, polyethylene oxide, or cellulose derivatives, and these are usually used in the form of powder. In addition, the cement composition includes cement, cement paste consisting of water, cement water,
Mortar and cement made of fine aggregate.
水、細骨材、粗骨材よりなるコンクリートを意味する。Concrete consisting of water, fine aggregate, and coarse aggregate.
従来、上述の如き水溶性高分子化合物をセメント組成物
に添加する手段としては、ホッパー等を利用して添加す
る方法が行なわれていた。Conventionally, the water-soluble polymer compound as described above has been added to a cement composition by using a hopper or the like.
又、水溶性高分子化合物を水を含まないセメント組成物
にホッパー等を利用して添加し、これを空練りした後に
水を加えて練り混ぜる方法も、水溶性高分子化合物とセ
メント組成物とを練り混ぜる方法としては実施されてい
た。Alternatively, a method in which a water-soluble polymer compound is added to a cement composition that does not contain water using a hopper, etc., and after dry kneading, water is added and mixed is also possible. It was practiced as a method of kneading and mixing.
上記従来の技術に於て、セメント組成物にホッパー等を
利用して水溶性高分子化合物を添加して練り混ぜる場合
には、水溶性高分子化合物の一部が継粉（フィ・ノシュ
アイ）になり、その結果セメント組成物に十分な粘稠性
を付与することができないばかりか打設したセメント組
成物の仕上がり面が悪化した。又、ミキサーの壁面に水
溶性高分子化合物が付着し、これがセメント組成物の水
分を吸収してセメント組成物を固着し、ミキサーの洗浄
に多大の労力を要する等の欠点があった。In the above conventional technology, when adding and kneading a water-soluble polymer compound to a cement composition using a hopper etc., a part of the water-soluble polymer compound becomes joint powder (fi-noshuai). As a result, not only was it impossible to impart sufficient viscosity to the cement composition, but also the finished surface of the cast cement composition deteriorated. In addition, the water-soluble polymer compound adheres to the wall surface of the mixer, which absorbs water from the cement composition and causes the cement composition to stick, resulting in a disadvantage that cleaning the mixer requires a great deal of effort.
水を含まないセメント組成物と水溶性高分子化合物とを
空練りし、これに水を加えて練り混ぜる場合には、空練
りの際のミキサーへの負荷が大きく、又ミキサーの摩耗
が著しい欠点があった。When dry kneading a water-free cement composition and a water-soluble polymer compound and then adding water to the mixture, the disadvantage is that the load on the mixer during dry kneading is large and the mixer is subject to significant wear. was there.
又、従来のいずれの方法の場合にも、水溶性高分子化合
物を添加する際に粉塵が発生して作業環境を悪化し、こ
の粉塵を除去するために除塵装置を使用すると除塵装置
のバックフィルターが目詰まりする等の問題点があった
。In addition, in any of the conventional methods, dust is generated when adding a water-soluble polymer compound, worsening the working environment, and if a dust removal device is used to remove this dust, the back filter of the dust removal device There were problems such as clogging.
本発明はかかる従来の問題点を解決するために為された
もので、その目的は、水溶性高分子化合物とセメント組
成物とを短時間で均一に練り混ぜることができると共に
、粉塵を発生させることのない水溶性高分子化合物のセ
メント組成物への添加方法及びその装置を提供すること
にある。The present invention was made in order to solve such conventional problems, and its purpose is to be able to uniformly mix a water-soluble polymer compound and a cement composition in a short time, and to generate dust. An object of the present invention is to provide a method for adding a water-soluble polymer compound to a cement composition and an apparatus for the same.
本発明に係る水溶性高分子化合物のセメント組成物への
添加方法は、水溶性高分子化合物をセメント組成物に添
加して練り混ぜる際に、噴霧状にした水、混和剤水溶液
、混和剤水性分散液又はこれらの混合液と、噴出させた
水溶性高分子化合物とをセメント組成物に添加するもの
である。The method of adding a water-soluble polymer compound to a cement composition according to the present invention includes adding atomized water, an aqueous admixture solution, and an aqueous admixture solution when adding the water-soluble polymer compound to a cement composition and mixing the mixture. A dispersion liquid or a mixture thereof and a jetted water-soluble polymer compound are added to a cement composition.
又、本発明に係る水溶性高分子化合物をセメント組成物
に添加する装置は、水、混和剤水溶液。Further, the device for adding the water-soluble polymer compound according to the present invention to a cement composition includes water and an aqueous solution of an admixture.
混和剤水性分散液又はこれらの混合液の圧送管の先端に
噴霧ノズルを連結すると共に、水溶性高分子化合物の移
送管の先端に噴出口を設けて、該噴霧ノズルから噴霧さ
れた水、混和剤水溶液、混和剤水性分散液又はこれらの
混合液と該噴出口から噴出された水溶性高分子化合物と
が大気中で合流するように構成したものである。A spray nozzle is connected to the tip of the pressure-feeding pipe for the admixture aqueous dispersion or a mixture thereof, and a spout is provided at the tip of the water-soluble polymer compound transfer pipe, so that the water sprayed from the spray nozzle can be mixed with the water sprayed from the spray nozzle. An aqueous solution of an admixture, an aqueous dispersion of an admixture, or a mixture thereof and a water-soluble polymer compound ejected from the ejection port are configured to join together in the atmosphere.
本発明に於て、混和剤はコンクリート混和剤として公知
のものであり、その−例をあげると、リグニンスルフォ
ン酸塩、ナフタリンスルフオン酸ホルマリン縮合物、メ
ラミンスルフオン酸ホルマリン縮合物、オキシカルボン
酸塩、ポリカルボン酸塩等を主成分とする減水剤、高性
能減水剤、流動化剤、或いはＡＥｉ４水剤、ポリオキシ
エチレンアルキルアリールエーテル、アルキルスルフォ
ン酸塩、その他の界面活性剤（水分散性を有し減水剤以
外として使用されるもので、ＨＬＢ値が１２以下である
。）を主成分とするＡＥ剤、亜硝酸塩。In the present invention, the admixtures are those known as concrete admixtures, such as lignin sulfonate, naphthalene sulfonate formalin condensate, melamine sulfonate formalin condensate, and oxycarboxylic acid. Water reducing agents, high performance water reducing agents, fluidizing agents whose main components are salts, polycarboxylate, etc., AEi4 water agents, polyoxyethylene alkylaryl ethers, alkyl sulfonates, and other surfactants (water dispersible) AE agent, nitrite, which is used as a substance other than a water reducing agent and has an HLB value of 12 or less.
オキシカルボン酸塩等を主成分とする防錆剤、塩化カル
シウム、珪フッ化マグネシウム等を主成分とする硬化促
進剤又はその他の凝結遅延剤、防水剤等の液状の混和剤
である。又、混和剤が粉末であっても、水溶性或いは水
分散性である場合には水に溶解又は分散させて使用する
ことができる。It is a liquid admixture such as a rust preventive agent whose main component is an oxycarboxylic acid salt, a hardening accelerator whose main component is calcium chloride, magnesium silicofluoride, etc., or other setting retardant, waterproofing agent, etc. Further, even if the admixture is a powder, if it is water-soluble or water-dispersible, it can be used after being dissolved or dispersed in water.
これらの水又は混和剤は単独或いは２種以上を混合して
使用することができる。水又は混和剤の使用量は概ね水
溶性高分子化合物の重量の５０％以上が好ましい。混和
剤の使用量はセメント組成物の使用目的及び打設条件に
よって決められるので、使用できる混和剤の量が少ない
場合には水で希釈して使用することができる。These water or admixtures can be used alone or in combination of two or more. The amount of water or admixture used is preferably approximately 50% or more of the weight of the water-soluble polymer compound. The amount of admixture to be used is determined by the intended use of the cement composition and the casting conditions, so if the amount of admixture that can be used is small, it can be diluted with water before use.
水溶性高分子化合物としては、アクリルアミド。Acrylamide is a water-soluble polymer compound.
アルキルアクリルアミド、アクリル酸、２−アクリルア
ミド−２−メチルプロパンスルフォン酸等に代表される
アクリル系化合物の重合体、共重合体皮ヒその変性物、
ヒドロキシエチルセルロース。Polymers and copolymers of acrylic compounds such as alkylacrylamide, acrylic acid, and 2-acrylamido-2-methylpropanesulfonic acid;
Hydroxyethyl cellulose.
ヒドロキシプロピルセルロース等のセルロース誘導体或
いはポリエチレンオキサイド等があげられ、セメント組
成物に粘稠性を付与する性質を有するあらゆる水溶性高
分子化合物を使用する場合に本発明の方法及びその装置
は有効である。水溶性高分子化合物の形態としては、粉
末状、懸濁状、乳化状、ゲル状であっても良い。The method and apparatus of the present invention are effective when using any water-soluble polymer compound that has the property of imparting viscosity to a cement composition, such as cellulose derivatives such as hydroxypropyl cellulose or polyethylene oxide. . The form of the water-soluble polymer compound may be powder, suspension, emulsion, or gel.
本発明の方法に於ては、噴霧状にした水、混和剤水溶液
、混和剤水性分散液又はこれらの混合液と噴出させた水
溶性高分子化合物とがセメント組成物に添加され練り混
ぜられるから、水、混和剤水溶液、混和剤水性分散液又
はこれらの混合液と。In the method of the present invention, atomized water, an aqueous admixture solution, an aqueous admixture dispersion, or a mixture thereof and a jetted water-soluble polymer compound are added to a cement composition and mixed. , water, an aqueous solution of an admixture, an aqueous dispersion of an admixture, or a mixture thereof.
水溶性高分子化合物とはセメント組成物に添加されるま
での間に大気中で十分に混合され、水溶性高分子化合物
がセメント組成物に添加される過程で粘稠性を発現しな
い状態でセメント組成物中に添加されるので、水溶性高
分子化合物の粉末同志が結び付くことがない。そのため
、水溶性高分子化合物が継粉（フィンシュアイ）になる
ことがなく、粘稠性を発現した状態でセメント組成物中
に分散し、セメント組成物に粘稠性を付与する。A water-soluble polymer compound is thoroughly mixed in the atmosphere before it is added to a cement composition, and the water-soluble polymer compound is added to a cement composition in a state where it does not develop viscosity. Since it is added to the composition, the water-soluble polymer compound powders do not stick together. Therefore, the water-soluble polymer compound does not become a joint powder (finshuai) and is dispersed in the cement composition in a state where it has developed viscosity, thereby imparting viscosity to the cement composition.
本発明の装置に於ては、水、混和剤水溶液、混和剤水性
分散液又はこれらの混合液が噴霧ノズルによって噴霧状
にされると共に、水溶性高分子化合物が管の先端から気
体と共に吐出されるから、噴出する水溶性高分子化合物
と大気中で効率良く合流することができる。In the apparatus of the present invention, water, an aqueous solution of an admixture, an aqueous dispersion of an admixture, or a mixture thereof is atomized by a spray nozzle, and a water-soluble polymer compound is discharged from the tip of a tube together with a gas. Therefore, it can efficiently merge with the ejected water-soluble polymer compound in the atmosphere.
以下、本発明の詳細な説明する。尚、本発明の理解を容
易にするために、先に本発明の装置を図面を参照しなが
ら説明し、次に本発明の詳細な説明する。The present invention will be explained in detail below. In order to facilitate understanding of the present invention, the apparatus of the present invention will first be explained with reference to the drawings, and then the present invention will be explained in detail.
第１図は本発明の方法を実施するための装置の一例を示
す概念図、第２図は本発明の装置の一例を示す断面図で
ある。FIG. 1 is a conceptual diagram showing an example of an apparatus for carrying out the method of the present invention, and FIG. 2 is a sectional view showing an example of the apparatus of the present invention.
図に於て、１は水、混和剤水溶液、混和剤水性分散液又
はこれらの混合液を入れる容器であり、水、混和剤水溶
液、混和剤水性分散液又はこれらの゛混合液を圧送する
圧送管２と加圧口３と圧力計４とが設けである。圧送管
２は先方で分岐し、それぞれの先端部には噴霧ノズル５
．５が設けである。In the figure, 1 is a container containing water, an aqueous solution of an admixture, an aqueous dispersion of an admixture, or a mixture thereof. A pipe 2, a pressurizing port 3, and a pressure gauge 4 are provided. The pressure feed pipe 2 branches at the tip, and a spray nozzle 5 is installed at each tip.
．． 5 is a provision.
６は水溶性高分子化合物を収容する容器であり、下部に
スクリューフィーダ７が設けられている。6 is a container containing a water-soluble polymer compound, and a screw feeder 7 is provided at the bottom.
このスクリューフィーダ７と容器６との間には、両者間
の圧力を均一化するための均圧管８が設けである。そし
て、スクリューフィーダ７には空気吹込口１０を有する
移送管９が設けである。又、移送管９の前方には螺旋状
の板片１）が設けられると共に、先端に噴出口１２が設
けである。A pressure equalizing pipe 8 is provided between the screw feeder 7 and the container 6 to equalize the pressure between the two. The screw feeder 7 is provided with a transfer pipe 9 having an air blowing port 10. Further, a spiral plate piece 1) is provided in front of the transfer pipe 9, and a spout 12 is provided at the tip.
１３は圧送管２と移送管９とを固定するための支持板で
ある。１４はミキサーであり、噴霧状にされた水、混和
剤水溶液、混和剤水性分散液又はこれらの混合液と噴出
された水溶性高分子化合物とを大気中で混合した後にセ
メント組成物と共に練り混ぜる。13 is a support plate for fixing the pressure feed pipe 2 and the transfer pipe 9. 14 is a mixer, which mixes atomized water, an aqueous admixture solution, an aqueous admixture dispersion, or a mixture thereof and the ejected water-soluble polymer compound in the atmosphere, and then mixes the mixture together with the cement composition. .
次に、かかる装置の動作を説明する。Next, the operation of such a device will be explained.
容器ｌに入れた水、混和剤水溶液、混和剤水性分散液又
はこれらの混合液は圧送管２を経て噴霧ノズル５．５か
ら噴霧される。容器６に入れた水溶性高分子化合物はス
クリューフィーダ７によって定常的に取り出され、空気
吹込口１０から吹き込まれた気体によって移送管９を経
て噴出口１２より噴出される。この際、螺旋状の板片１
）によって、水溶性高分子化合物と気体とは乱流状態と
なって濃淡の少ない噴出状態となっている。そして、噴
出された水溶性高分子化合物は噴霧された水、混和剤水
溶液、混和剤水性分散液又はこれらの混合液と大気中で
合流し、十分に混合された後、ミキサー１４で練り混ぜ
られているセメント組成物に添加され、練り混ぜられる
。Water, an aqueous solution of an admixture, an aqueous dispersion of an admixture, or a mixture thereof placed in a container 1 is passed through a pressure pipe 2 and sprayed from a spray nozzle 5.5. The water-soluble polymer compound placed in the container 6 is constantly taken out by the screw feeder 7, and is ejected from the jet port 12 via the transfer pipe 9 by the gas blown from the air blow port 10. At this time, the spiral plate 1
), the water-soluble polymer compound and the gas are in a turbulent flow state, resulting in a jet state with little density. Then, the jetted water-soluble polymer compound is combined with the sprayed water, an aqueous solution of an admixture, an aqueous dispersion of an admixture, or a mixture thereof in the atmosphere, and after being sufficiently mixed, is kneaded in a mixer 14. It is added to the cement composition and mixed.
尚、上記実施例では、２つの噴霧ノズル５と１つの噴出
口１２を設けた場合について説明したが、噴霧された水
、混和剤水溶液、混和剤水性分散液又はこれらの混合液
と噴出された水溶性高分子化合物とを大気中で十分に混
合するために、これらの数を増加しても良い。In the above embodiment, the case where two spray nozzles 5 and one spout 12 were provided was explained, but the sprayed water, the aqueous solution of the admixture, the aqueous dispersion of the admixture, or the mixture thereof In order to sufficiently mix the water-soluble polymer compound in the atmosphere, the number of these may be increased.
更に、本発明の方法を具体的な実施例によって説明する
。Further, the method of the present invention will be explained by specific examples.
容量ｌＯＯβの傾胴ミキサーに、第１表に示した配合の
コンクリート８０１を入れ、第１図及び第２図に示した
装置を使用して水溶性高分子化合物の粉末３００ｇと水
、混和剤水溶液、混和剤水性分散液又はこれらの混合液
を添加した。水溶性高分子化合物の粉末は空気と共に噴
出させ、水。Concrete 801 having the composition shown in Table 1 was put into a tilting mixer with a capacity of lOOβ, and using the apparatus shown in Figs. 1 and 2, 300 g of water-soluble polymer compound powder, water, and an aqueous admixture solution were mixed. , an admixture aqueous dispersion, or a mixture thereof. The water-soluble polymer compound powder is ejected with air and water.
混和剤水溶液、混和剤水性分散液又はこれらの混合液は
３ ｋｇ ／ ｃｒＡの圧力で噴霧した。水溶性高分子
化合物の粉末を添加した時の粉塵を目視で観察し、練り
混ぜたコンクリートについて継粉試験及び固着物試験を
行なった。The aqueous admixture solution, aqueous admixture dispersion, or a mixture thereof was sprayed at a pressure of 3 kg/crA. When the water-soluble polymer compound powder was added, the dust was visually observed, and the mixed concrete was subjected to a joint powder test and a fixed substance test.
継扮試験は、練り混ぜたコンクリート１Ｎを１０メツシ
ユの篩に採り、水中で振動させてコンクリートのセメン
トペースト部分を除き、篩上に残った骨材の中から継粉
を探し出し、その数を調べる方法によって行なった。In the joint test, 1N mixed concrete is taken through a 10-mesh sieve, and the cement paste portion of the concrete is removed by shaking it in water.The joint powder is found in the aggregate remaining on the sieve and the number thereof is determined. It was done by the method.
固着物試験は、コンクリートを排出した傾胴ミキサーに
水１００１を入れ、１０分間回転させて洗浄し、水を排
出したあとのミキサーの内部を観察し、固着物が認めら
れた場合ははつってその重量を測定する方法によって行
なった。For the fixed substance test, pour water 1001 into the tilting mixer that has discharged the concrete, rotate it for 10 minutes to clean it, observe the inside of the mixer after draining the water, and if any fixed substances are observed, remove it. This was done by measuring the weight.
又、比較のために、水溶性高分子化合物の粉末３００ｇ
を漏斗を使って添加した場合についても同様に試験した
。Also, for comparison, 300 g of water-soluble polymer compound powder
A similar test was conducted when the sample was added using a funnel.
これらの結果を第２表に示す。These results are shown in Table 2.
以上の結果から、本実施例によれば、継粉の発生が殆ど
ないため、水溶性高分子化合物の粉末とセメント組成物
とを短時間で均一に練り混ぜることが可能で、品質の良
好な粘稠性セメント組成物を得ることができる。しかも
、水溶性高分子化合物の粉塵が発生しないので作業環境
を悪化させず、且つ水溶性高分子化合物がミキサーに付
着せず、固着物を生じることがないので使用後のミキサ
ーの洗浄が容易である。更に、空練りを必要としないの
でミキサーへ過大な負荷がかからす又ミキサーの摩耗も
少ない等の利点があることが確認された。From the above results, according to this example, there is almost no generation of joint powder, so it is possible to mix the water-soluble polymer compound powder and the cement composition uniformly in a short time, and it is possible to mix the water-soluble polymer compound powder and cement composition uniformly in a short time. A viscous cement composition can be obtained. Moreover, since no dust from the water-soluble polymer compound is generated, the working environment will not be degraded, and the water-soluble polymer compound will not adhere to the mixer and will not form stuck substances, making it easy to clean the mixer after use. be. Furthermore, it has been confirmed that since dry kneading is not required, there is no excessive load on the mixer and there is less wear on the mixer.
又、同時に水溶性高分子化合物の粉末だけをセメント組
成物に添加した比較例から明らかなように、従来方式で
は継粉及び固着物が発生すると共に粉塵の発生があるこ
とが確認された。Furthermore, as is clear from the comparative example in which only the powder of a water-soluble polymer compound was added to the cement composition, it was confirmed that the conventional method generates joint powder and fixed substances as well as dust.
以上説明したように本発明によれば、継粉が発生しない
ので、水溶性高分子化合物とセメント組成物とを短時間
で均一に練り混ぜることが可能で、品質の良好な粘稠性
セメント組成物を得ることができる。又、ミキサーの壁
面に固着物が生成しないので、ミキサーの洗浄が容易で
ある。更に、ミキサーへの負荷が小さく、ミキサーの摩
耗が少なく、且つ粉塵が発生しない等の利点がある。As explained above, according to the present invention, since joint powder is not generated, it is possible to uniformly mix a water-soluble polymer compound and a cement composition in a short time, and a viscous cement composition with good quality can be obtained. can get things. Further, since no solid matter is formed on the wall surface of the mixer, the mixer can be easily cleaned. Further, there are advantages such as a small load on the mixer, less wear on the mixer, and no generation of dust.
第１図は本発明の方法を実施するための概念図であり、
付帯設備を含む装置の一例である。第２図は本発明の装
置の一例を示す側面図である。
１・・・水、混和剤水溶液、混和剤水性分散液又はこれ
らの混合液を入れる容器、２・・・圧送管、３・・・加
圧口、４・・・圧力計、５・・・噴霧ノズル、６・・・
水溶性高分子化合物を入れる容器、７・・・スクリュー
フィーダー、８・・・均圧管、９・・・移送管、１０・
・・空気吹込口、１）・・・螺旋状の板片、１２・・・
噴出口、１３・・・支持板、１４・・・ミキサー。FIG. 1 is a conceptual diagram for implementing the method of the present invention,
This is an example of a device including incidental equipment. FIG. 2 is a side view showing an example of the device of the present invention. DESCRIPTION OF SYMBOLS 1... Container containing water, an aqueous admixture solution, an aqueous admixture dispersion, or a mixture thereof, 2... Pressure feeding pipe, 3... Pressure port, 4... Pressure gauge, 5... Spray nozzle, 6...
Container for storing water-soluble polymer compound, 7... Screw feeder, 8... Pressure equalization tube, 9... Transfer tube, 10.
...Air inlet, 1)...Spiral plate piece, 12...
Spout port, 13...Support plate, 14...Mixer.
Claims (7)
練り混ぜる際に、噴霧状にした水、混和剤水溶液、混和
剤水性分散液又はこれらの混合液と、噴出させた水溶性
高分子化合物とをセメント組成物に添加することを特徴
とする水溶性高分子化合物のセメント組成物への添加方
法。(1) When a water-soluble polymer compound is added to a cement composition and mixed, atomized water, an aqueous solution of an admixture, an aqueous dispersion of an admixture, or a mixture thereof and a jetted water-soluble polymer are mixed together. A method for adding a water-soluble polymer compound to a cement composition, the method comprising adding the compound to the cement composition.
液又はこれらの混合液と合流するように水溶性高分子化
合物を噴出させることを特徴とする特許請求の範囲第１
項記載の水溶性高分子化合物のセメント組成物への添加
方法。(2) Claim 1, characterized in that the water-soluble polymer compound is ejected so as to merge with atomized water, an aqueous solution of an admixture, an aqueous dispersion of an admixture, or a mixture thereof.
A method for adding the water-soluble polymer compound described in Section 1 to a cement composition.
液又はこれらの混合液は、噴出する水溶性高分子化合物
の重量の略５０％以上使用することを特徴とする特許請
求の範囲第１項記載の水溶性高分子化合物のセメント組
成物への添加方法。(3) A claim characterized in that the atomized water, aqueous solution of an admixture, aqueous dispersion of an admixture, or a mixture thereof is used in an amount of approximately 50% or more of the weight of the water-soluble polymer compound to be ejected. A method for adding the water-soluble polymer compound according to item 1 to a cement composition.
の混合液の圧送管の先端に噴霧ノズルを連結すると共に
、水溶性高分子化合物の移送管の先端に噴出口を設けて
、該噴霧ノズルから噴霧された水、混和剤水溶液、混和
剤水性分散液又はこれらの混合液と該噴出口から噴出さ
れた水溶性高分子化合物とが大気中で合流するように構
成したことを特徴とする水溶性高分子化合物をセメント
組成物に添加する装置。(4) A spray nozzle is connected to the tip of a pressure-feeding tube for water, an aqueous solution of an admixture, an aqueous dispersion of an admixture, or a mixture thereof, and a spout is provided at the tip of a tube for transferring a water-soluble polymer compound. It is characterized by being configured such that water, an aqueous admixture solution, an aqueous admixture dispersion, or a mixture thereof sprayed from a spray nozzle and a water-soluble polymer compound ejected from the spout meet in the atmosphere. A device that adds water-soluble polymer compounds to cement compositions.
に螺旋状の板片を挿入して水溶性高分子化合物と気体と
の流れに乱流を生ぜしめることにより濃淡の少ない噴出
状態を得ることができるように構成されていることを特
徴とする特許請求の範囲第４項記載の水溶性高分子化合
物をセメント組成物に添加する装置。(5) The water-soluble polymer compound transfer tube has a spiral plate inserted just before the tip of the tube to create turbulence in the flow of the water-soluble polymer compound and gas, allowing for a less concentrated jet. 5. An apparatus for adding a water-soluble polymer compound to a cement composition according to claim 4, wherein the apparatus is configured to be able to obtain the following conditions.
の混合液を噴霧する噴霧ノズル及び水溶性高分子化合物
を噴出させる噴出口は、それぞれ複数個設けてあること
を特徴とする特許請求の範囲第４項記載の水溶性高分子
化合物をセメント組成物に添加する装置。(6) A patent claim characterized in that a plurality of spray nozzles for spraying water, an aqueous solution of an admixture, an aqueous dispersion of an admixture, or a mixture thereof, and a plurality of jet ports for spouting a water-soluble polymer compound are provided. An apparatus for adding the water-soluble polymer compound according to item 4 to a cement composition.
気体と共に噴出させるように構成したことを特徴とする
特許請求の範囲第４項記載の水溶性高分子化合物をセメ
ント組成物に添加する装置。(7) The water-soluble polymer compound according to claim 4 is added to the cement composition, characterized in that the water-soluble polymer compound is jetted out from the tip of the transfer pipe together with a gas such as air. device to do.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8059086A JPS62236712A (en) | 1986-04-07 | 1986-04-07 | Method and device for adding water-soluble high molecular compound to cement composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8059086A JPS62236712A (en) | 1986-04-07 | 1986-04-07 | Method and device for adding water-soluble high molecular compound to cement composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62236712A true JPS62236712A (en) | 1987-10-16 |
Family
ID=13722555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8059086A Pending JPS62236712A (en) | 1986-04-07 | 1986-04-07 | Method and device for adding water-soluble high molecular compound to cement composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62236712A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2621309A1 (en) * | 1987-10-02 | 1989-04-07 | Sandoz Sa | NEW PROCESS FOR PREPARING SPREADED CONCRETE |
| JP2004268480A (en) * | 2003-03-11 | 2004-09-30 | Nmb Co Ltd | Addition apparatus for adding water-soluble cellulosic polymer into cement composition of agitator vehicle and its addition method |
| ES2331676A1 (en) * | 2007-07-03 | 2010-01-12 | Esteve Ariza Badia | Boat for the projection of mortar (Machine-translation by Google Translate, not legally binding) |
| JP2018176683A (en) * | 2017-04-21 | 2018-11-15 | 光洋機械産業株式会社 | Concrete mixer and device for producing ready-mixed concrete using the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50155032A (en) * | 1974-06-04 | 1975-12-13 | ||
| JPS605966A (en) * | 1983-06-08 | 1985-01-12 | 東急建設株式会社 | Addition of liquid mixing agent in spray concrete |
-
1986
- 1986-04-07 JP JP8059086A patent/JPS62236712A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50155032A (en) * | 1974-06-04 | 1975-12-13 | ||
| JPS605966A (en) * | 1983-06-08 | 1985-01-12 | 東急建設株式会社 | Addition of liquid mixing agent in spray concrete |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2621309A1 (en) * | 1987-10-02 | 1989-04-07 | Sandoz Sa | NEW PROCESS FOR PREPARING SPREADED CONCRETE |
| BE1004354A3 (en) * | 1987-10-02 | 1992-11-10 | Sandoz Sa | New method of preparation of projected concrete. |
| JP2004268480A (en) * | 2003-03-11 | 2004-09-30 | Nmb Co Ltd | Addition apparatus for adding water-soluble cellulosic polymer into cement composition of agitator vehicle and its addition method |
| ES2331676A1 (en) * | 2007-07-03 | 2010-01-12 | Esteve Ariza Badia | Boat for the projection of mortar (Machine-translation by Google Translate, not legally binding) |
| JP2018176683A (en) * | 2017-04-21 | 2018-11-15 | 光洋機械産業株式会社 | Concrete mixer and device for producing ready-mixed concrete using the same |
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