JPH0254290B2 - - Google Patents
Info
- Publication number
- JPH0254290B2 JPH0254290B2 JP3076583A JP3076583A JPH0254290B2 JP H0254290 B2 JPH0254290 B2 JP H0254290B2 JP 3076583 A JP3076583 A JP 3076583A JP 3076583 A JP3076583 A JP 3076583A JP H0254290 B2 JPH0254290 B2 JP H0254290B2
- Authority
- JP
- Japan
- Prior art keywords
- cement
- incinerated ash
- sludge
- paper
- hydration reaction
- 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
- 239000004568 cement Substances 0.000 claims description 18
- 239000010802 sludge Substances 0.000 claims description 16
- 238000006703 hydration reaction Methods 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 9
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 7
- 235000011613 Pinus brutia Nutrition 0.000 claims description 7
- 241000018646 Pinus brutia Species 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 150000001340 alkali metals Chemical class 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004566 building material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- -1 alkaline earth metal salts Chemical class 0.000 claims description 4
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 4
- 150000003863 ammonium salts Chemical class 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000002585 base Substances 0.000 claims 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000378 calcium silicate Substances 0.000 description 3
- 229910052918 calcium silicate Inorganic materials 0.000 description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229910001653 ettringite Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 235000008585 Pinus thunbergii Nutrition 0.000 description 1
- 241000218686 Pinus thunbergii Species 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000011126 aluminium potassium sulphate Nutrition 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 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
- 235000009120 camo Nutrition 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229940050271 potassium alum Drugs 0.000 description 1
- GNHOJBNSNUXZQA-UHFFFAOYSA-J potassium aluminium sulfate dodecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GNHOJBNSNUXZQA-UHFFFAOYSA-J 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 235000011127 sodium aluminium sulphate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/10—Burned or pyrolised refuse
-
- 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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Ceramic Engineering (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
【発明の詳細な説明】
本発明は、製紙スラツジ、パルプスラツジを焼
却して得られる焼却灰を原料として含む軽量建築
板材の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing lightweight construction board materials containing incinerated ash obtained by incinerating paper sludge and pulp sludge as a raw material.
従来、紙、パルプ工場で生ずる製紙スラツジ、
パルプスラツジ或るいはそれらスラツジの焼却灰
は、その殆んどが産業廃棄物として埋立地に廃棄
されていた。 Traditionally, paper sludge produced in paper and pulp mills,
Most of the pulp sludge and the incineration ash of the sludge were disposed of in landfills as industrial waste.
一般にこれらスラツジ焼却灰は、シリカ
（SiO2）25〜60％、アルミナ（Al2O3）30〜60％、
酸化第二鉄（FeO3）0.3〜３％、酸化カルシウム
（CaO）２〜12％、マグネシア（MgO）0.4〜11
％を主組成分とし、それ自体が水硬性を有し、し
かも嵩比重も約0.45と比較的軽い。 Generally, these sludge incineration ash contains 25-60% silica (SiO 2 ), 30-60% alumina (Al 2 O 3 ),
Ferric oxide (FeO 3 ) 0.3-3%, calcium oxide (CaO) 2-12%, magnesia (MgO) 0.4-11
%, has hydraulic properties itself, and has a relatively light bulk specific gravity of approximately 0.45.
これらの性質を利用して、これらスラツジの焼
却灰を単独或るいは他の材料と混合して成形し、
軽量建築用板材を製造する試みがなされた。しか
し乍ら、その水和反応が緩慢であるため、非常に
長い養生期間を必要としてまた養生が不充分であ
ると、得られた板材は初期材令での機械的強度が
著しく低いと云う欠点があつた。 Utilizing these properties, the incineration ash of these sludges can be molded alone or mixed with other materials,
Attempts have been made to produce lightweight construction boards. However, since the hydration reaction is slow, a very long curing period is required, and if the curing is insufficient, the mechanical strength of the obtained board material at its initial stage is extremely low. It was hot.
本発明は、それらスラツジ焼却灰をセメント、
繊維質材料と混合し、これら混合物に焼却灰とセ
メントとの水和反応を促進する反応促進剤と水と
を加えて水性スラリーとし、これを抄造して生マ
ツトを得、養生硬化させることにより、機械的強
度及び寸法安定性がすぐれた軽量建築用板材を製
造する方法を提供している。以下に本発明を実施
例に基づいて更に詳述する。 The present invention uses these sludge incineration ash as cement,
By mixing with a fibrous material and adding water and a reaction accelerator that promotes the hydration reaction between the incinerated ash and cement to this mixture to form an aqueous slurry, this is made into paper to obtain raw pine, which is then cured and hardened. provides a method for manufacturing lightweight construction boards with excellent mechanical strength and dimensional stability. The present invention will be explained in more detail below based on examples.
製紙スラツジ、パルプスラツジ等のスラツジを
焼却して得られる焼却灰、セメント及び繊維質原
料を混合機、解綿機にて撹拌混合する。その混合
割合は焼却灰とセメントとを重量比で２：８〜
８：２の割合で混合し、その全量に対して繊維質
原料を10〜50重量％添加混合する。 Incineration ash obtained by incinerating sludge such as paper sludge and pulp sludge, cement, and fibrous raw materials are stirred and mixed in a mixer and a flocculent. The mixing ratio is 2:8 to 2:8 by weight of incineration ash and cement.
They are mixed at a ratio of 8:2, and 10 to 50% by weight of the fibrous raw material is added to the total amount.
更に焼却灰、セメント、繊維質原料の混合物に
対して焼却灰、セメントの水和反応を促進する反
応促進剤0.01〜20重量％と適量の水とを添加し、
撹拌混合して水性スラリーを得る。 Furthermore, 0.01 to 20% by weight of a reaction accelerator that promotes the hydration reaction of the incinerated ash and cement and an appropriate amount of water are added to the mixture of incinerated ash, cement, and fibrous raw materials,
Stir and mix to obtain an aqueous slurry.
焼却灰の粒度は混合時の分散性、抄造時のスク
リーンメツシユ等を考慮して適宜選択されるが
250〜10のメツシユパスのものが好ましい。 The particle size of the incinerated ash is selected appropriately, taking into account dispersibility during mixing, screen mesh during papermaking, etc.
Preferably one with mesh pass of 250-10.
繊維質原料とはパルプ、故紙パルプ、麻、合成
繊維などの有機質繊維、石綿、岩綿、ガラス繊
維、炭素繊維などの無機質繊維を各々単独あるい
は適宜割合で添加混合したものを用いる。 The fibrous raw materials include organic fibers such as pulp, waste paper pulp, hemp, and synthetic fibers, and inorganic fibers such as asbestos, rock wool, glass fibers, and carbon fibers, each singly or mixed in an appropriate proportion.
焼却灰、セメント、及び繊維質原料の混合物に
該焼却灰セメントの水和反応促進剤及び水を加え
水性スラリーとする。 A hydration reaction accelerator for the incinerated ash cement and water are added to a mixture of incinerated ash, cement, and fibrous raw material to form an aqueous slurry.
水和反応促進剤としてはアルカリ金属の又はア
ルカリ土類金属の塩、アルカリ金属の又はアルカ
リ土類金属の水酸化物、アンモニウム塩及び硫酸
アルミニウム含有物質等があり、それらは単独で
または複合して用いられる。アルカリ金属の又は
アルカリ土類金属の塩としては硫酸ナトリウム、
硫酸カリウム、炭酸ナトリウム、塩化マグネシウ
ム、塩化カルシウム、アルミン酸ソーダ、水ガラ
スなどが含まれる。アルカリ金属の又はアルカリ
土類金属の水酸化物としては水酸化ナトリウム、
水酸化カリウム、水酸化カルシウムなどが含まれ
る。アンモニウム塩としては、無機強酸又は有機
酸のアンモニウム塩たとえば硫酸アンモニウム、
塩化アンモニウム、酢酸アンモニウム、シユウ酸
アンモニウムなどが含まれる。 Hydration reaction accelerators include alkali metal or alkaline earth metal salts, alkali metal or alkaline earth metal hydroxides, ammonium salts, and aluminum sulfate-containing substances, which may be used alone or in combination. used. Salts of alkali metals or alkaline earth metals include sodium sulfate;
Contains potassium sulfate, sodium carbonate, magnesium chloride, calcium chloride, sodium aluminate, water glass, etc. Alkali metal or alkaline earth metal hydroxides include sodium hydroxide,
Contains potassium hydroxide, calcium hydroxide, etc. Examples of ammonium salts include ammonium salts of strong inorganic acids or organic acids, such as ammonium sulfate,
Includes ammonium chloride, ammonium acetate, ammonium oxalate, etc.
硫酸アルミニウム含有物質としては硫酸アルミ
ニウム自体、ナトリウム明バン、カリ明バンなど
が含まれる。これらの反応促進剤は、その各々を
単独であるいは併用することが出来、その添加量
は焼却灰、セメント、繊維質原料の混合物に対し
て0.01〜20重量％である。 Examples of aluminum sulfate-containing substances include aluminum sulfate itself, sodium alum, potassium alum, and the like. These reaction accelerators can be used alone or in combination, and the amount added is 0.01 to 20% by weight based on the mixture of incinerated ash, cement, and fibrous raw material.
反応促進剤の添加量はその下限値以下では添加
効果が少なくまた上限値以上では逆に得られる硬
化体の長期材令における強度低下をもたらす。水
性スラリーはそのスラリー濃度を0.5〜40％とす
る。 If the amount of the reaction accelerator added is less than the lower limit, the effect of the addition is small, and if it is more than the upper limit, the strength of the resulting cured product will decrease over a long period of time. The aqueous slurry has a slurry concentration of 0.5 to 40%.
水性スラリーを丸網式抄造機に投入し過する
ことにより抄造し水分を多量に含む薄マツトを得
該薄マツトを多層に積層して生マツトの原板を得
る。 The aqueous slurry is passed through a circular mesh paper making machine to form thin pine containing a large amount of water, and the thin pine is laminated in multiple layers to obtain a green pine original plate.
長網式抄造機、押出成型機、流し込み成型機等
により厚物の生マツトを得ることも出来る。 Thick raw pine can also be obtained using a fourdrinier paper machine, an extrusion molding machine, a casting machine, etc.
次に原板を養生硬化乾燥し定尺裁断することに
よつて製品を得る。原板の養生硬化は自然養生あ
るいは蒸気養生のいずれの方法を用いてもよい。
原板は養生硬化することで焼却灰とセメントとの
水和反応によりケイ酸カルシウム水和物が生成さ
れる。水和反応促進剤は焼却灰、セメントの成中
に含まれる酸化カルシウムの水和過程で生成する
水酸化カルシウムと反応して硫酸カルシウムを生
成し、これがセメントの水和過程で生成するアル
ミン酸カルシウムとの反応によりエトリンジヤイ
トを生成する。 Next, the original plate is cured, hardened, dried, and cut to a specified length to obtain a product. The original plate may be cured by either natural curing or steam curing.
When the original plate is cured and hardened, calcium silicate hydrate is generated through a hydration reaction between the incineration ash and cement. The hydration reaction accelerator reacts with the incinerated ash and calcium hydroxide produced during the hydration process of calcium oxide contained in cement to produce calcium sulfate, which in turn produces calcium aluminate during the hydration process of cement. Ettringite is produced by reaction with
すなわち焼却灰は水硬性はあるもののその硬化
特に初期材令においては硬化反応があまり進行せ
ず初期材令における強度低下をまねくものである
が、先に記した如く、水和反応促進剤の添加によ
るエトリンジヤイト生成により硬化体の初期材令
における高強度すなわち早硬化が達成される。 In other words, although incineration ash has hydraulic properties, the curing reaction does not progress much during hardening, especially at the initial stage of the wood, leading to a decrease in strength at the early stage of the wood. Due to the formation of ettringite, high strength, ie, early hardening, is achieved in the initial stage of the cured product.
得られた製品は、初期材令ではセメントの水和
物、ケイ酸カルシウム水和物、エトリンジヤイト
の生成により、長期材令では焼却灰、セメントの
水硬性、ケイ酸カルシウム水和物により高強度が
得られ、しかも耐水性が向上されるため寸法安定
性も向上する。 The obtained product has high strength in the early stage due to the formation of cement hydrate, calcium silicate hydrate, and ettringite, and in the long stage due to the incineration ash, hydraulic properties of cement, and calcium silicate hydrate. Moreover, since the water resistance is improved, the dimensional stability is also improved.
このようにして製紙スラツジ、パルプスラツジ
を焼却して得られる焼却灰を用いた無機質建材が
得られ焼却灰の有効利用がなされるとともに安価
な焼却灰を使用することで製品自体安価に得るこ
とが出来る。 In this way, inorganic building materials can be obtained using the incinerated ash obtained by incinerating paper sludge and pulp sludge, and in addition to making effective use of incinerated ash, the product itself can be obtained at low cost by using inexpensive incinerated ash. .
Claims (1)
られる焼却灰とセメントとを主成分とする水性ス
ラリーを抄造して得られる生マツトを原板とし、
該原板を養生硬化させる無機質建材の製造方法に
おいて、上記スラリーが繊維質原料と、焼却灰及
びセメントの水和反応を促進する反応促進剤とを
含有することを特徴とする焼却灰を用いた無機質
建材の製造方法。 ２ 製紙スラツジ、パルプスラツジを焼却して得
られる焼却灰とセメントとを重量比２：８〜８：
２の割合に混合したものに繊維質原料を10〜50重
量％添加し、上記混合物に対して焼却灰及びセメ
ントの水和反応促進剤0.01〜20重量％と水とを加
え、得られる水性スラリーを抄造して生マツトの
原板とし該原板を養生硬化させることを特徴とす
る特許請求の範囲第１項記載の焼却灰を用いた無
機質建材の製造方法。 ３ 水和反応促進剤としてアルカリ金属の又はア
ルカリ土類金属の塩、アルカリ金属の又はアルカ
リ土類金属の水酸化物、アンモニウム塩及び硫酸
アルミニウム含有物質を単独でまたは併用するこ
とを特徴とする特許請求の範囲第１項又は第２項
記載の焼却灰を用いた無機質建材の製造方法。[Claims] 1. Raw pine obtained by paper-making an aqueous slurry mainly composed of incineration ash obtained by incinerating paper sludge and pulp sludge and cement, as a base plate,
In the method for producing an inorganic building material by curing and hardening the base plate, the slurry contains a fibrous raw material and a reaction accelerator that promotes a hydration reaction of incinerated ash and cement. Method of manufacturing building materials. 2. Incineration ash obtained by incinerating paper sludge and pulp sludge and cement at a weight ratio of 2:8 to 8:
Aqueous slurry obtained by adding 10 to 50% by weight of fibrous raw materials to the mixture in the ratio of 2 and adding 0.01 to 20% by weight of incinerated ash and cement hydration reaction accelerator and water to the above mixture. A method for manufacturing an inorganic building material using incinerated ash according to claim 1, characterized in that the raw pine is made into a paper and the raw pine is cured and hardened. 3. Patents characterized by the use of alkali metal or alkaline earth metal salts, alkali metal or alkaline earth metal hydroxides, ammonium salts, and aluminum sulfate-containing substances alone or in combination as hydration reaction promoters. A method for producing an inorganic building material using incinerated ash according to claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58030765A JPS59156956A (en) | 1983-02-28 | 1983-02-28 | Manufacture of inorganic construction material from incineration ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58030765A JPS59156956A (en) | 1983-02-28 | 1983-02-28 | Manufacture of inorganic construction material from incineration ash |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59156956A JPS59156956A (en) | 1984-09-06 |
| JPH0254290B2 true JPH0254290B2 (en) | 1990-11-21 |
Family
ID=12312774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58030765A Granted JPS59156956A (en) | 1983-02-28 | 1983-02-28 | Manufacture of inorganic construction material from incineration ash |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59156956A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6172667A (en) * | 1984-09-14 | 1986-04-14 | 株式会社ノダ | Extrusion molded product and manufacture |
| JPS6172669A (en) * | 1984-09-14 | 1986-04-14 | 株式会社ノダ | Extrusion molded product and manufacture |
| JPS6172668A (en) * | 1984-09-14 | 1986-04-14 | 株式会社ノダ | Extrusion molded product and manufacture |
| JPS6172666A (en) * | 1984-09-14 | 1986-04-14 | 株式会社ノダ | Extrusion molded product and manufacture |
| JPS6172670A (en) * | 1984-09-14 | 1986-04-14 | 株式会社ノダ | Extrusion molded product and manufacture |
| DE58906529D1 (en) * | 1988-06-24 | 1994-02-10 | Oschatz Gmbh | Process for removing trapping and residual materials from the paper and cardboard industry during the recycling of waste paper. |
| BE1005929A3 (en) * | 1993-01-29 | 1994-03-15 | Obourg Sa Ciments | Pozzolan ARTIFICIAL AND METHOD OF MAKING. |
| KR100588488B1 (en) * | 2004-11-05 | 2006-06-09 | 박종원 | Pulpsludge ash composite for producing construction materials |
-
1983
- 1983-02-28 JP JP58030765A patent/JPS59156956A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59156956A (en) | 1984-09-06 |
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