JPS5887178A - Chemical crushing agent - Google Patents

Chemical crushing agent

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Publication number
JPS5887178A
JPS5887178A JP18442781A JP18442781A JPS5887178A JP S5887178 A JPS5887178 A JP S5887178A JP 18442781 A JP18442781 A JP 18442781A JP 18442781 A JP18442781 A JP 18442781A JP S5887178 A JPS5887178 A JP S5887178A
Authority
JP
Japan
Prior art keywords
cao
agent
crushing agent
chemical crushing
cacl2
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
Application number
JP18442781A
Other languages
Japanese (ja)
Inventor
Masanori Miura
正範 三浦
Motoyasu Nishimura
西村 元康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central Glass Co Ltd
Original Assignee
Central Glass Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Central Glass Co Ltd filed Critical Central Glass Co Ltd
Priority to JP18442781A priority Critical patent/JPS5887178A/en
Publication of JPS5887178A publication Critical patent/JPS5887178A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To provide a chemical crushing agent capable of safely and slowly breaking concrete and rocks by utilizing expansion pressure due to a hydration reaction, consisting mainly of CaCl2 and CaO coated with a CaCl2/CaO double salt. CONSTITUTION:Quick lime, calcium chloride and anhydrous gypsum are calcined in a predetermined ratio at 800-1,000 deg.C and crushed to form a compsn. which contains 30-85wt% CaO, CaCl2 in an amount of 1-1/80 times by weight that of CaO and not more than 20wt% CaSO4 and in which CaO is coated with a CaCl2/CaO double salt. Then 0.5-2wt% water-reducing agent for cement, such as a water-soluble melamine resin, 3-30wt% water-retaining agent such as hydraulic gypsum and 0.01-5wt% initial setting retarder such as an org. carboxylic acid are added to said compsn. to obtain a chemical crushing agent.

Description

【発明の詳細な説明】 本発明は、コンクリート、岩石等を火薬類を使うことな
く安全に且つ、徐々に破壊する化学的破砕剤に関するも
のである。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a chemical crushing agent that can safely and gradually destroy concrete, rocks, etc. without using explosives.

従来、土木工事等でコンクリート、岩石等を破壊する場
合には、火薬類による爆発解体又はブレーカ−などによ
る機械的解体が行なわれてきた。
Conventionally, when destroying concrete, rocks, etc. during civil engineering work, explosive demolition using explosives or mechanical demolition using breakers or the like has been carried out.

しかしこれらは、騒音、振動、飛石、粉塵、ガス等を発
生し安全、公害面での対策が必要となり都市ビルの破壊
、住宅密集地での工事には不向きとされている。
However, these systems generate noise, vibration, flying stones, dust, gas, etc., and require safety and pollution countermeasures, making them unsuitable for destroying urban buildings or for construction in densely populated residential areas.

一方生石灰を主成分として、これらの水和にJ:る膨張
圧を利用して、コンクリ−1〜、ン′1石等を静的に破
壊しうることは以前より知Iうれていたが、生石灰の水
和速度は非常に速く1石灰のスラリーが膨圧する際、破
砕孔よりスラリーが流出1ノ膨張圧が逃げてしまうため
、破砕剤どしてはこのままでは使用できない。
On the other hand, it has been known for some time that it is possible to statically destroy concrete stones, etc. by using quicklime as the main component and by utilizing the expansion pressure caused by hydration. The hydration rate of quicklime is very fast, and when the lime slurry expands, the slurry flows out of the crushing holes and the expansion pressure of quicklime escapes, so it cannot be used as a crushing agent as it is.

これを改善覆る方法どじで、破砕孔の間口部を急硬性セ
メン1〜又は器具により塞ぐ方法が提案さねでいるが、
操作がや・)かいで実用的Cはない。
As a way to improve this problem, a method has been proposed in which the frontage of the fracture hole is closed with rapidly hardening cement or an instrument.
There is no practical C because the operation is difficult.

本発明は、こねらの欠点を改良すべく ?ilt究した
結果なされたもので、焼成によって得た主成分組成とじ
T’ Ca Oを30〜80wt%、CaCl 2をC
a O/Ca Cl  2の重! Ltが1−.80と
なるJ:うに含み、かつCaOがCa(’::l 2と
CaOの複ノーで菫ねれていることを特徴とする化学的
破砕剤をぞの要旨どづるbのである。
Is the present invention intended to improve the drawbacks of konera? This was made as a result of research, and the main component composition obtained by firing is 30 to 80 wt% T'CaO, C
The weight of a O/Ca Cl 2! Lt is 1-. This is a chemical crushing agent characterized by containing 80 J: sea urchins and having Ca('::l2 and CaO mixed together).

すなわち本発明は焼成による主成分がCa0(゛、ぞの
CaOがCa C12−Ca 01CaCl 2・3C
aOのような複塩あるいはこねらの水和物で覆わtl、
 i、、−、t)の1.1、ノド川)中1qが比較的)
Fiいが膨圧率が人4することの知見に早づいて<iさ
ねたしのである。
That is, in the present invention, the main component by firing is Ca0 (゛, the CaO is Ca C12-Ca 01 CaCl 2.3C
tl covered with a double salt such as aO or a hydrate of knead,
1.1 of i,, -, t), 1q of Nodo River) is relatively)
I was quick to discover that the turgor rate was 4 times higher than that of humans.

本発明の破f11.+剤の成づ)範囲11. Ca O
30−85wt%りfましくは45へ・80w[%であ
るが、Ca□の含イ4甲が30 w t%禾渦の場合に
−1,1(’; a Oの6)+ 甲が1−分に発揮さ
れず、破砕に必要な膨圧11:が得られ、イ1い。さ’
7)I;、−8!+ w 1%を越える場合には、1:
’i 1.′顕−1贅な膨圧圧増加は認められず、85
 w 1%JスF ’<” −1分である。
Destruction of the present invention f11. + Formation of agent) Range 11. Ca O
30-85wt% or preferably 45 to 80w[%, but if the content of Ca□4A is 30wt%, then -1,1('; 6 of a O) + A is not exerted within 1 minute, and the turgor pressure required for crushing is 11:, which is good. difference'
7) I;, -8! +w If it exceeds 1%, 1:
'i 1. 'No significant increase in turgor pressure was observed, 85
w 1%JsuF'<"-1 minute.

(:a (〕tl 2はCa O,、’Ca Cl  
2の甲吊比で・1、−.80どなるように含むものであ
り、その比が1.1、り小さい場合には、他の成分との
亜合すあるが、比較的にCa○含早が少むくなるため1
分な膨張圧が1qられす、また、CaCl7)活P1を
抑えでざる結果どなり、比較的短時間での破砕が行なえ
ず、効果的ではない。また、Ca Q、・CaC12の
mfU仕が80を越える場合にFjl、1−分な水11
遅延効宋が得られ<’にい1、CaSO4の存在は本川
抑制のイ1用を采し、ぞのit kl、’ 20wt%
1ス下がなrましい。
(:a (]tl 2 is Ca O,,'Ca Cl
With a suspension ratio of 2, 1, -. 80, and if the ratio is smaller than 1.1, it may be sub-combined with other components, but the Ca○ content will be relatively low, so 1.
In addition, CaCl7) active P1 cannot be suppressed, resulting in a loud explosion, and crushing cannot be performed in a relatively short time, which is not effective. In addition, if the mfU specification of Ca Q, ・CaC12 exceeds 80, Fjl, 1-minute water 11
The delayed effect of Song was obtained and the presence of CaSO4 led to the suppression of the main effect, resulting in an increase of 20 wt%.
1st below is annoying.

化学的破砕剤は所定の組成となるように、生石灰または
炭酸力ルシウ11を、またはさらに無水石こうを加えて
混合し、800−.1000℃にて焼成し、該焼成物を
粉砕りることにより1!7らねろものである。この焼成
濡mは800℃未満では上のな水f[1)イ延効宋が1
0られり“、1000°Cを越えると、特に水和万延効
果が増大することもないため、1000℃以)での焼成
で十分である。
The chemical crushing agent is mixed with quicklime or carbonic acid 11, or anhydrous gypsum to give a predetermined composition. By firing at 1000°C and pulverizing the fired product, it is made into 1!7 grains. This firing temperature is lower than 800℃, and the water f[1] is 1.
If the temperature exceeds 1000°C, the hydration effect does not particularly increase, so firing at a temperature of 1000°C or higher is sufficient.

本発明においては、水和遅延効果及び作te1等を考慮
して6秤助剤を添加づることで、4j、り実用的な破砕
剤を盲るものである。具体的な助剤どし乙は、減水剤、
保持剤、硬化始発遅延剤等があり、減水剤を用いること
により操作性が向」−づるbのであり、この減水剤とし
ては、リグニン系、高級多価アルコールのスルホンII
II塩おJ:びぞの高縮合化合物系、ポリオール複合体
系、水溶性メラミン樹脂系、β−jフタリンスルホン1
15 ’I\ルンリン縮合物系などの各種のしのを用い
ることがひき、添7JII aとしては0.5〜25− w 1.”、(+の範囲が好よ【、い、  0.!il
〜l l (i6木偵A (1a減71<作用が現われ
ず、2V1%を越える添加をしくb“(の効果は向1シ
lr &’ 、。
In the present invention, by adding 6 weighing aids in consideration of the hydration retardation effect and the production te1, etc., 4j is a more practical crushing agent. Specific auxiliary agents include water reducing agents,
There are retaining agents, hardening start retardants, etc., and the use of water reducing agents improves operability.These water reducing agents include lignin-based and higher polyhydric alcohol sulfone II.
II Salt OJ: Bizo's high condensation compound system, polyol composite system, water-soluble melamine resin system, β-j phthaline sulfone 1
It is possible to use various compounds such as 15'I\Runlin condensate type, and the value of Attachment 7JIIa is 0.5 to 25-w1. ”, (+ range is preferable [,i, 0.!il
〜l l(i6木译A(1a 71<effect did not appear, so it is recommended not to add more than 2V1%).

ま1.X、保持剤どして水硬性tiこう4添加りること
に、J、す、石こうが速やかに硬化し、破砕剤の!(l
jの保1島及び況入水の保1が1に役vI′″)t)の
である。水硬すノ[石こうの吊1.t 3w1%未満ζ
゛は硬化が不1分て型の保持がでさ4“、あ、[り多部
に41−ると他成分との兼合もあるが、主成分の出が相
3=1的(、−少イー−くなるICめ、301V I%
jスF’ 4’i! aがθrまし。
1. By adding hydraulic titanium as a retention agent, the gypsum hardens quickly and becomes a crushing agent! (l
J's 1st island and the 1st part of the water supply are 1).
゛The curing does not take 1 minute and the mold retention is difficult. 4", ah, [41- in many parts may be combined with other components, but the output of the main component is phase 3 = 1 (, - Low E- IC, 301V I%
jsuF'4'i! a is better than θr.

い。また、水1i1F t’Lnこ)と]ノで(1、α
−゛1′水行こう、β−半水石こう、■T111無水?
iこ、)hpを用いるJとが出来るが、での水和速度か
らα、β゛12水にうの使用が好L()い、、 ′A:
IL 、硬化始発’It延剤どしては、り■ン耐、]ハ
ク酎、リンゴ酸、マI−Iン酸ζりの右はノ1ルボン酸
、砂糖等の多糖類、トリポリリlυ酸ソーダ、ピロりん
酸ソーダ、りん酸力ルシウlX等のりん酸塩、小つ砂等
の小ウソ化合物、銅化合物、ケイフッ化物、Pミノ酸、
たんばく分解物の内にり選択1−、 lJI TiF 
6− 類まIL: 1.1混合ii]能1.Tものイjらば2
種類以」を使用することが出来、その添加早は杼湾竹、
実効を勘案した場合(1,01・−・0.5Nv1%の
範囲が好ましい5、 本発明の破砕剤を実際に用いる場合には、破砕剤100
市品部に水30へ・40重畠部を加えスラリー化し被破
砕物に穿孔[−、た孔中に11人(1、^′11置づれ
ば、1、く、徐〕7にCaOの水和が進行1ノ硬化膨張
覆ることで被破砕物を無へイノ(態で破砕づる3、実施
例1〜6、比較例1−・2 60・〜、1()O′l−7シーlの!1石灰に121
1化力ルシウノ、〈純厖7:’H′+;)及び無水石こ
うをよく混合し、電気炉に(約900″(ロ、=C焼成
し/;:、2時間焼成複電う炉から取り出し、デシリー
ターにて放冷後、粉f、l+ l、、40メッシl以1
ζ稈度のものをlr/ iこ。このY)末の大部分は陵
詑、1’lに乏しい生石灰とイイっ((15つ、表面か
1=どして□it Cl 2 ・Ca (’)、CaC
1z ・3(、:;aQの複塩で覆われているこ一′さ
T111認1)、、:、、このもの(J所定の助ハリを
添IJr+ シて、所定量の水に゛Cスラリー化し70
x 70X 7(ten:の−1ンイIリ−1−+51
!にあ【Jた30cmφX3(lcnl、+穴(J充填
し、この結甲を観察した。各々の組成、及び結甲を人に
示η。
stomach. In addition, water 1i1F t'Ln) and] no (1, α
-゛1'Let's go to water, β-hemihydrate gypsum, ■T111 anhydrous?
Although it is possible to use J using HP, it is preferable to use α, β゛12 water due to the hydration rate in L(), 'A:
IL, hardening starting agent, rinsing resistance, malic acid, malic acid, and the right side of the hardening agent are norubonic acid, polysaccharides such as sugar, and tripolylylic acid. Soda, sodium pyrophosphate, phosphates such as phosphoric acid lucium
Inner selection of protein decomposition products 1-, lJI TiF
6- Similar IL: 1.1 Mixture ii] Function 1. T-mono Ij Love 2
It is possible to use different types of bamboo, including Shuwan bamboo,
When considering the effectiveness (preferably in the range of 1,01...0.5Nv1%5), when the crushing agent of the present invention is actually used, the crushing agent 100
Add 30 and 40 layers of water to the market part to make a slurry, and drill into the material to be crushed. 3, Examples 1 to 6, Comparative Examples 1--2 60-, 1()O'l-7 Seal of! 121 to 1 lime
Thoroughly mix the 1-chemical power luciuno, 〈Pure 7:'H'+;) and anhydrous gypsum, and fire it in an electric furnace (approximately 900'' (Ro, =C)/;:, for 2 hours from a double electric furnace. Take out and leave to cool in a desiccator, then add powder f, l + l, 40 mesh l or more 1
The one with ζ culm degree is lr/i. Most of this Y
1z ・3 (,:; T111 recognized as being covered with double salt of aQ)... Slurry 70
x 70X 7 (ten: -1 -1 - +51
! The hole was filled with a diameter of 30cmφX3 (lcnl), and the cartilage was observed.The composition of each and the carp were shown to people.

実施例7 実施例4.5および比較例1.2の組成の破砕剤50g
をそれぞれ水20(+にてスラリー化し、内径3amm
 、深さ70mmの一シリンダに注入し7.1kgの1
吊をかけ、スラリ一層の上端の目盛よりその体膨張率を
測定した。その結果を図に示す。
Example 7 50 g of crushing agent with the composition of Example 4.5 and Comparative Example 1.2
Each was made into a slurry with 20% water (+), and the inner diameter was 3 mm.
, injected into one cylinder with a depth of 70 mm, and 7.1 kg of 1
The slurry was hung, and the coefficient of body expansion was measured from the scale at the top of one layer of slurry. The results are shown in the figure.

【図面の簡単な説明】[Brief explanation of the drawing]

図は実施例4.5、比較例1.2の破砕剤を用いた場合
の試験結果を示すグラフである。 特許出願人 セントラル硝子株式会社 代理人  弁理士  小松 秀岳 10− 0   4   8    +2   )6   20
  24   2B先蟻後、時間 (h【) 手続補正書 昭和56年12月14日 特許庁長官 島田春樹 殿 1、事件の表示 昭和56年特許願第184427号 2、発明の名称 化学的破砕剤 3、補正をする者 事件との関係  特許出願人 名称(220) tントラル硝子株式会社4、代理人 
〒107(電話586−8854 )住所 東京都港区
赤坂4丁目13番5号赤坂オフィスハイツ 氏名 <7899)弁理士 小松秀岳 5、補正命令の日付  (自発) 6、補正により増加する発明の数 0 7、補正の対象 明細書中、特許請求の範囲並びに発明の詳細な説明の欄 8、補正の内容  別紙のとおり (別紙) (1)明細書中筒1頁第4行以下の特許請求の範囲の記
載を下記のとおり訂正する。 「2、特許請求の範囲 1、焼成によって得た主成分組成として、CaOを30
〜85wt%、CaCl、をCa O/Ca Cl 2
の手量比が1へ・80となるように含み、かつ、CaO
がCaCl 2とCaOの複塩で覆われていることを特
徴とする化学的破砕剤。 2、焼成によって得た主成分にCaSO4を20W[%
以下含む特許請求の範囲第1項記載の化学的破砕剤。 3、助剤としてレメント減水剤が0.5〜2wt%とな
るように添加されてなる特許請求の範囲第1項又は第2
項記載の化学的破砕剤。 4、助剤である保持剤として、水硬性石膏が3〜30 
W t%となるように添加されてなる特許請求の範囲第
1項ないし第3項のいずれかに記載の化学的破砕剤。 1− 5、助剤である始発遅延剤として有機カルボン酸、多糖
類、りん酸塩、ホウ素化合物、銅化合物、ケイフッ化物
、アミノ酸、たlυばく分解物のうちより選択1ノた少
なくとも1種以上が0 、 (11〜5wt%となるよ
うに添加されてなる特許請求の範囲第1項ないし第4項
のいずれかに記載の化学的破砕剤。] (2)第7頁第3行の(’ 0.5wt%1を「5W(
%」とりる。 2−
The figure is a graph showing the test results when the crushing agents of Example 4.5 and Comparative Example 1.2 were used. Patent applicant Central Glass Co., Ltd. Agent Patent attorney Hidetake Komatsu 10-0 4 8 +2 ) 6 20
24 2B After the first ant, time (h [) Procedural amendment December 14, 1980 Director General of the Patent Office Haruki Shimada 1, Indication of the case 1984 Patent Application No. 184427 2, Title of the invention Chemical crushing agent 3 , Relationship with the person making the amendment Patent applicant name (220) Ttoral Glass Co., Ltd. 4, Agent
107 (Phone: 586-8854) Address: Akasaka Office Heights, 4-13-5 Akasaka, Minato-ku, Tokyo Name <7899) Patent attorney Hidetake Komatsu 5 Date of amendment order (voluntary) 6. Number of inventions increased by amendment 0 7. In the specification to be amended, scope of claims and detailed description of the invention column 8, contents of the amendment as shown in the attached sheet (Attachment) (1) The patent claims on page 1 of the specification, line 4 and below. The description of the scope will be corrected as follows. "2. Claim 1. The main component composition obtained by firing is 30% CaO.
~85wt%, CaCl, CaO/CaCl2
CaO
is covered with a double salt of CaCl2 and CaO. 2. Add 20W [%] of CaSO4 to the main component obtained by firing.
A chemical crushing agent according to claim 1, which includes: 3. Claim 1 or 2, in which a Lement water reducing agent is added as an auxiliary agent in an amount of 0.5 to 2 wt%.
Chemical disruption agents as described in Section. 4. Hydraulic gypsum is used as an auxiliary retention agent of 3 to 30%
The chemical crushing agent according to any one of claims 1 to 3, wherein the chemical crushing agent is added in an amount of Wt%. 1-5. At least one selected from the group consisting of organic carboxylic acids, polysaccharides, phosphates, boron compounds, copper compounds, silicofluorides, amino acids, and catalytic decomposition products as an auxiliary initial retardant. (Chemical crushing agent according to any one of claims 1 to 4, which is added in an amount of 11 to 5 wt%.) (2) Page 7, line 3 ( '0.5wt%1 to '5W(
%”. 2-

Claims (1)

【特許請求の範囲】 1、焼成にJ:・)て(qた↑成分組成としC1Ca○
を30−85wt%、Ca C+  2をCab、/C
a CI □の重量比が1〜8oどなるように含み、か
つ、CaOがCa Cl 2ど(E Oa’>複塩で沼
わ杓Cいることを特徴どりる化学的破砕剤。 2、焼成によ−)て1qた主成分にCa 304を20
W1%以下含む特許請求の範囲第1項記載の化学的破砕
剤。 3、助剤として【?メント減水剤が0.5・−2W t
%となるJ:うに添加されてなる特許請求の範囲第1項
又は第2項記載の化学的破砕剤。 4、助剤である保持剤として、水硬性石膏が3−3−3
q%と4Tるように添加されてなる特許請求の範囲第1
項ないし第3慎のいずれかに記載の化学的破砕剤。 5、助剤である始発遅延剤として有機カルボン酸、多糖
類、りん酸塩、ホウ素化合物、銅化合物、ケイフッ化物
、アミノ酸、たんばく分解物のうちより選択した少なく
とも1種以上が0.01〜0.5wt%となるように添
加されてなる特許請求の範囲第1項ないし第4項のいず
れかに記載の化学的破砕剤。
[Claims] 1. For firing J:・) (q ↑ component composition C1Ca○
30-85wt%, Ca C+ 2, Cab, /C
A chemical crushing agent characterized by containing a weight ratio of CI □ in the range of 1 to 8 degrees, and containing CaO as Ca Cl 2 (E Oa'> double salt). 2. For calcination. 20% of Ca 304 is added to the main component of 1q
The chemical crushing agent according to claim 1, which contains W1% or less. 3. As an auxiliary agent [? Mento water reducing agent is 0.5・-2Wt
% J: The chemical crushing agent according to claim 1 or 2, which is added to sea urchin. 4. Hydraulic gypsum is used as an auxiliary retention agent in 3-3-3
q% and 4T.
The chemical crushing agent according to any one of Items 1 to 3. 5. At least one selected from organic carboxylic acids, polysaccharides, phosphates, boron compounds, copper compounds, silicofluorides, amino acids, and protein decomposition products as an auxiliary initial retardant with a content of 0.01 to The chemical crushing agent according to any one of claims 1 to 4, which is added in an amount of 0.5 wt%.
JP18442781A 1981-11-19 1981-11-19 Chemical crushing agent Pending JPS5887178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18442781A JPS5887178A (en) 1981-11-19 1981-11-19 Chemical crushing agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18442781A JPS5887178A (en) 1981-11-19 1981-11-19 Chemical crushing agent

Publications (1)

Publication Number Publication Date
JPS5887178A true JPS5887178A (en) 1983-05-24

Family

ID=16152959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18442781A Pending JPS5887178A (en) 1981-11-19 1981-11-19 Chemical crushing agent

Country Status (1)

Country Link
JP (1) JPS5887178A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6080663A (en) * 1983-10-12 1985-05-08 旭化成株式会社 Static crushing method and expansible tablet therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6080663A (en) * 1983-10-12 1985-05-08 旭化成株式会社 Static crushing method and expansible tablet therefor
JPH0424505B2 (en) * 1983-10-12 1992-04-27 Asahi Chemical Ind

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