KR830008940A - Cement Clinker Manufacturing Method - Google Patents

Cement Clinker Manufacturing Method Download PDF

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Publication number
KR830008940A
KR830008940A KR1019820000872A KR820000872A KR830008940A KR 830008940 A KR830008940 A KR 830008940A KR 1019820000872 A KR1019820000872 A KR 1019820000872A KR 820000872 A KR820000872 A KR 820000872A KR 830008940 A KR830008940 A KR 830008940A
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KR
South Korea
Prior art keywords
gas
clinker
fluidized bed
bed reactor
supplied
Prior art date
Application number
KR1019820000872A
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Korean (ko)
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KR890000862B1 (en
Inventor
한스-베르너 슈밋트 독크톨
바이스벵거 한스
로라레 독크톨
폴리오 알베르
빨리아르 모리스
Original Assignee
코로조-로와르 단뜨레쁘리제
하인리히 고쯔, 에른스트 횟샤
라파즈제 꼬삐
메탈게젤샤후트 아크치엔 게젤샤후트
폴리오 알베르
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Priority claimed from DE19813107701 external-priority patent/DE3107701A1/en
Application filed by 코로조-로와르 단뜨레쁘리제, 하인리히 고쯔, 에른스트 횟샤, 라파즈제 꼬삐, 메탈게젤샤후트 아크치엔 게젤샤후트, 폴리오 알베르 filed Critical 코로조-로와르 단뜨레쁘리제
Publication of KR830008940A publication Critical patent/KR830008940A/en
Application granted granted Critical
Publication of KR890000862B1 publication Critical patent/KR890000862B1/en

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00Hydraulic cements
    • C04B7/36Manufacture of hydraulic cements in general
    • C04B7/43Heat treatment, e.g. precalcining, burning, melting; Cooling
    • C04B7/44Burning; Melting

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

내용 없음No content

Description

시멘트 클링커 제조방법Cement Clinker Manufacturing Method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

본 발명에 의한 시멘트 클링커 제조시설Cement clinker manufacturing facility according to the present invention

Claims (8)

현수형 열교환기에서 원료시멘트 분말을 예열하고 유동층에서 탈산하여 회전로에서 클링커를 제조한 후 이 클링커를 냉각하는 시멘트 클링커 제조방법에 있어서, (가) 유동층 반응기(5), 사이클론 분리기(6) 및 순환용 덕트(7)로 구성된 순환계통에서 850℃이상의 온도에서 최소한 95% 정도를 탈산시키고, (나) 하소 및 클링커 제조공정에 소요되는 연료중 최소한 65%(전체 열 소요에 대한 것임)을 탈산처리 용유동층 반응기(5)로 공급하고 최소한 10%(전체 열 소요에 대한 것임)을 회전로(13)에 공급하며, (다) 탈산처리용 유동층 반응기(5)로 공급되는 연료를 최소한 두가지 부분적인 함산소 가스 흐름으로 된 두가지 연소 단계에서 거의 화학량론적으로 연소시킬 때 첫번째 가스흐름을 유동화용 가스(8)로 하여 공급하고 나머지 가스흐름을 2차 가스(9)로 하여 보다 많은 량으로 하여 공급하며, 유동화용 가스와 2차 가스와의 속도 및 체적의 비율을 1:1-1:10으로 하므로서 유동화용 가스의 유입구(8)와 2차 가스의 유입구(9)사이에 있는 부분에서의 평균부유밀도가 100-300kg/m3되도록 유지하고 2차 가스의 유입구(9)위에서의 평균 부유밀도를 5-30kg/m3되게 유지함을 특징으로 하는 시멘트 클링커 제조방법.In the cement clinker manufacturing method of preheating the raw cement powder in a suspension type heat exchanger, deoxidizing in a fluidized bed to produce a clinker in a rotary furnace, and cooling the clinker, (A) fluidized bed reactor (5), cyclone separator (6) and Deoxidize at least 95% at temperatures above 850 ° C in a circulation system consisting of circulation ducts (7), and (b) deoxidize at least 65% of the fuel required for the calcining and clinker manufacturing process (for total heat requirements). At least two parts of the feed to the fluidized bed reactor (5) and at least 10% (for the total heat requirement) to the rotary furnace (13) and (c) the fuel to the deoxidation fluidized bed reactor (5). When combusting nearly stoichiometrically in two combustion stages with two oxygen-containing gas streams, the first gas stream is supplied as the fluidizing gas (8) and the remaining gas stream as the secondary gas (9). It is supplied in a large amount, and the ratio between the velocity and volume of the fluidizing gas and the secondary gas is 1: 1-1: 10, and is between the inlet 8 of the fluidizing gas and the inlet 9 of the secondary gas. the average density of the floating part of 100-300kg / m 3 is maintained, and method for producing cement clinker, characterized by maintaining the average to be the second density of the suspended above the inlet 9 of the gas 5-30kg / m 3 at that. 청구범위 제1항에 있어서 하소 및 클링커 제조공정에 소요되는 연료의 70-85%(전체 열 소요에 대한 것임)를 탈산처리용 유동층 반응기(5)로 공급하고 이 연료의 15-30%(전체 열 소요에 대한 것임)을 클링커 제조용 회전로(13)에 공급함을 특징으로 하는 제조방법.70-85% of the fuel required for the calcining and clinker manufacturing process (for the total heat requirement) is fed to the deoxidation fluidized bed reactor 5 and 15-30% of the fuel according to claim 1 Manufacturing method, characterized in that the feed to the rotary furnace (13) for producing clinker. 청구범위 제1항에 있어서 탈산처리용 순환계통 중에서의 고체의 체류시간을 3-15분, 되도록이면 5-10분으로 함을 특징으로 하는 제조방법.The process according to claim 1, wherein the residence time of the solid in the deoxidation cycle is 3-15 minutes, preferably 5-10 minutes. 청구범위 제1항 또는 제3항에 있어서 탈산 처리용 순환계통에서의 온도범위를 950-1150℃로 유지함을 특징으로 하는 제조방법.The manufacturing method according to claim 1 or 3, wherein the temperature range in the deoxidation treatment circulation system is maintained at 950-1150 ° C. 청구범위 제1항, 제3항 또는 제4항에 있어서 평균입자 직경 dp이 50-500μm, 되도록이면 100-300μm 범위인 고체탄소질 연료를 사용함을 특징으로 하는 제조방법.Method according to claim 1, 3 or 4, characterized in that the use of a solid carbonaceous fuel having an average particle diameter dp of 50-500 μm, preferably 100-300 μm. 청구범위 제1항에 있어서 최소한 일부가 탄산처리용 유동층 반응기(5)로 공급되는 함산소 가스의 가열과 클링커의 냉각을 병용함을 특징으로 하는 제조방법.Method according to claim 1, characterized in that at least part of the combined use of heating of oxygenated gas and cooling of the clinker supplied to the fluidized bed reactor (5) for carbonation treatment. 청구범위 제6항에 있어서 함산소 가스로 클링커를 냉각하므로서 이 함산소 가스를 직접 접촉 및 간접 접촉에 의해 가열함을 특징으로 하는 방법.Method according to claim 6, characterized in that the oxygenated gas is heated by direct and indirect contact while cooling the clinker with oxygenated gas. 청구범위 제6항 또는 제7항에 있어서 클링커 냉각시에 간접으로 가열된 함산소가스중 최소한 일부를 유동화용 가스(8)로 하여 유동층 반응기(5)로 공급하고 냉각되는 클링커와 직접 접촉하여 가열된 함산소 가스중 최소한 일부를 2차 가스(9)로 하여 유동층 반응기(5)로 공급함을 특징으로 하는 제조방법.8. The heating method according to claim 6, wherein at least a part of oxygen gas indirectly heated at the time of cooling the clinker is supplied to the fluidized bed reactor 5 with the fluidization gas 8 and heated in direct contact with the cooled clinker. At least a portion of the oxygenated gas as a secondary gas (9) is supplied to the fluidized bed reactor (5). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR8200872A 1981-02-28 1982-02-27 Process of producing cement clinker KR890000862B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813107701 DE3107701A1 (en) 1980-03-05 1981-02-28 Process and device for controlling the thickness of extruded flat films or sheets of thermoplastic
DE3107710.2 1981-02-28

Publications (2)

Publication Number Publication Date
KR830008940A true KR830008940A (en) 1983-12-16
KR890000862B1 KR890000862B1 (en) 1989-04-11

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KR8200872A KR890000862B1 (en) 1981-02-28 1982-02-27 Process of producing cement clinker

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