JP2020176057A5 - - Google Patents

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JP2020176057A5
JP2020176057A5 JP2020122115A JP2020122115A JP2020176057A5 JP 2020176057 A5 JP2020176057 A5 JP 2020176057A5 JP 2020122115 A JP2020122115 A JP 2020122115A JP 2020122115 A JP2020122115 A JP 2020122115A JP 2020176057 A5 JP2020176057 A5 JP 2020176057A5
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Japan
Prior art keywords
cement
raw material
material slurry
cement clinker
slurry
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JP2020122115A
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Japanese (ja)
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JP2020176057A (en
JP6958682B2 (en
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Priority claimed from JP2018149247A external-priority patent/JP6763419B2/en
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Priority to JP2020122115A priority Critical patent/JP6958682B2/en
Priority claimed from JP2020122115A external-priority patent/JP6958682B2/en
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Publication of JP2020176057A5 publication Critical patent/JP2020176057A5/ja
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Claims (3)

原料を焼成してセメントクリンカーを製造するセメントクリンカー製造工程と、
前記セメントクリンカー製造工程で発生する排ガスに含まれる亜硫酸ガスを原料スラリーに吸収させて亜硫酸化合物を含むスラリーを得る脱硫工程と、
前記セメントクリンカーと前記スラリーとを含む配合物をセメントミルに導入して粉砕し、セメント組成物を得る粉砕工程を有し、
前記原料スラリーは、当該原料スラリーに含まれる無機粉末全体に対してカルシウム化合物をＣａＯとして１０〜９８質量％含有し、
前記セメントミルの出口における前記セメント組成物の温度が４０〜１５０℃である、セメント組成物の製造方法。 The cement clinker manufacturing process, which manufactures cement clinker by firing raw materials,
A desulfurization step of absorbing sulfur dioxide gas contained in the exhaust gas generated in the cement clinker manufacturing step into the raw material slurry to obtain a slurry containing a sulfur dioxide compound, and
Said formulation comprising a cement clinker and the slurry was pulverized and introduced into a cement mill, have a crushing step to obtain a cement composition,
The raw material slurry contains 10 to 98% by mass of a calcium compound as CaO with respect to the entire inorganic powder contained in the raw material slurry.
A method for producing a cement composition, wherein the temperature of the cement composition at the outlet of the cement mill is 40 to 150 ° C. 前記原料スラリーは、前記セメントクリンカー製造工程で発生するカルシウム化合物を含有する無機粉末を含む、請求項１〜７のいずれか一項に記載のセメント組成物の製造方法。 The raw material slurry, the cement clinker production process the inorganic powder including containing calcium compounds generated in manufacturing process of the cement composition according to any one of claims 1 to 7. 原料を焼成してセメントクリンカーを得るセメントクリンカー焼成部と、
前記セメントクリンカー焼成部からの排ガスに含まれる亜硫酸ガスを原料スラリーに吸収して、亜硫酸化合物を含むスラリーを得る脱硫部と、
前記セメントクリンカーと前記スラリーとを含む配合物をセメントミルに導入して粉砕してセメント組成物を得る粉砕部と、を備え、
前記原料スラリーは、当該原料スラリーに含まれる無機粉末全体に対してカルシウム化合物をＣａＯとして１０〜９８質量％含有し、
前記セメントミルの出口における前記セメント組成物の温度が４０〜１５０℃である、セメント組成物の製造システム。 A cement clinker firing part that fires raw materials to obtain cement clinker,
A desulfurization section that absorbs sulfurous acid gas contained in the exhaust gas from the cement clinker firing section into the raw material slurry to obtain a slurry containing a sulfurous acid compound.
A crushing section for introducing a formulation containing the cement clinker and the slurry into a cement mill and pulverizing the mixture to obtain a cement composition is provided .
The raw material slurry contains 10 to 98% by mass of a calcium compound as CaO with respect to the entire inorganic powder contained in the raw material slurry.
A cement composition manufacturing system in which the temperature of the cement composition at the outlet of the cement mill is 40 to 150 ° C.
JP2020122115A 2018-08-08 2020-07-16 Cement composition manufacturing method and cement composition manufacturing system Active JP6958682B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2020122115A JP6958682B2 (en) 2018-08-08 2020-07-16 Cement composition manufacturing method and cement composition manufacturing system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018149247A JP6763419B2 (en) 2018-08-08 2018-08-08 Cement composition manufacturing method and cement composition manufacturing system
JP2020122115A JP6958682B2 (en) 2018-08-08 2020-07-16 Cement composition manufacturing method and cement composition manufacturing system

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Publications (3)

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JP2020176057A JP2020176057A (en) 2020-10-29
JP2020176057A5 true JP2020176057A5 (en) 2021-04-01
JP6958682B2 JP6958682B2 (en) 2021-11-02

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102638775B1 (en) * 2021-05-21 2024-02-20 세움건설 주식회사 CKD-based carbon dioxide storage cement manufacturing systems and methods

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JPH10109013A (en) * 1996-10-04 1998-04-28 Hisaji Koyama Magnesium oxide and regenerated sulfuric acid recovering type flue gas desulfurization apparatus
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JP5730087B2 (en) * 2011-03-22 2015-06-03 株式会社デイ・シイ Cement clinker manufacturing method
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JP6184149B2 (en) * 2012-10-11 2017-08-23 太平洋セメント株式会社 Fired product
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JP6579928B2 (en) * 2015-11-25 2019-09-25 株式会社トクヤマ Method for producing cement clinker
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