WO1997021638A1 - Kiln exhaust gas processing method by chlorine bypass and apparatus therefor - Google Patents
Kiln exhaust gas processing method by chlorine bypass and apparatus therefor Download PDFInfo
- Publication number
- WO1997021638A1 WO1997021638A1 PCT/JP1996/003545 JP9603545W WO9721638A1 WO 1997021638 A1 WO1997021638 A1 WO 1997021638A1 JP 9603545 W JP9603545 W JP 9603545W WO 9721638 A1 WO9721638 A1 WO 9721638A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- exhaust gas
- kiln
- classifier
- fine powder
- dust
- 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.)
- Ceased
Links
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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/436—Special arrangements for treating part or all of the cement kiln dust
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/44—Burning; Melting
Definitions
- the present invention relates to a kiln exhaust gas treatment method using a chlorine bypass and an apparatus therefor.
- the present invention relates to a method and an apparatus for treating kiln exhaust gas by chlorine bypass.
- this circulation may reach equilibrium within a few hours, and the amount of volatile components brought into the system from the cement raw material and fuel may be equal to the amount of volatile components taken out of the system by the cement clinker.
- the so-called alkali bypass method is used.
- This method is a method in which kiln exhaust gas having a high concentration of volatile components is extracted to the outside of the system by means of an Al bypass, and the Al bypass is removed.
- the alkali bypass will be briefly described. Approximately 110 o ° c of kiln exhaust gas extracted from the kiln via an extraction duct is introduced into the cooling room, where it is mixed with cool air from a fan, and the gas temperature is adjusted to 400 to 450 °. Lower to C. At this time, a compound of a volatile component is condensed on the surface of the dust due to a decrease in the gas temperature.
- Dust is collected in spray towers and electric precipitators, but is a dust enriched with volatile components and is disposed of:
- the kiln exhaust gas of about 110 ° C extracted by the alkali bypass is discharged outside the system, and the heat loss increases greatly.
- the gas cooling temperature is set to 600 to 700 ° C
- the gas is collected by a dust collector
- the exhaust gas is returned to the preheater exhaust gas system to waste heat
- these patents reduce the absolute amount of processing dust by passing extracted gas of 600 to 70 CTC through a classifier and returning the dust of 1 Oizrn or more to the kiln as it is. It is intended to
- the point of the patent is that the extracted gas can be increased from the conventional 400-45 CTC to 600-700 ° C., thereby reducing the heat loss and the equipment cost. 2
- alkali is omnipresent to fine powder side, by returning to the kiln to separate more than 1 0 W m in the classifier, in that it reduces the waste Das Bok amount: That is, the present invention That the condensation temperature of volatile components has been accurately determined, and Found that it was more distributed on the dust side of the dust, embodying that discovery.
- the conventional example mainly aims at removing alkali components, and in order to achieve this purpose, it is necessary to extract a large amount of kiln exhaust gas.
- the heat loss of the kiln / pre-heater system is 140-180 J / kg 'clean power in the SP kiln and NSP kiln in the case of extracting 10% of the kiln exhaust gas. 50 ⁇ 70JZkg. It is about clinker. The biggest cause of this heat loss is the large amount of extracted kiln exhaust gas.
- an object of the present invention is to make it possible to ensure stable operation of a kiln economically with little heat loss. Another purpose is to make it easier to process fine dust. Disclosure of the invention
- the method for treating kiln exhaust gas by chlorine bypass comprises: a step of extracting a part of the kiln exhaust gas from the kiln; a step of cooling the extracted exhaust gas to a temperature equal to or lower than a melting point of the chlorine compound; A step of classifying the coarse powder into fine powder and fine powder by a classifier, and a step of returning the separated coarse powder to the kiln and sending the fine powder to a downstream side of the classifier; More than 0% and less than 5%.
- the method for treating kiln exhaust gas by chlorine bypass comprises: a step of extracting a part of the kiln exhaust gas from the kiln; a step of cooling the extracted exhaust gas to a temperature equal to or lower than a melting point of the chlorine compound; A step of classifying the coarse powder into fine powder and fine powder by a classifier, and a step of returning the separated coarse powder to the kiln and sending the fine powder to a downstream side of the classifier; More than 0% and less than 5%, and the classification point of the classifier is 5 ⁇ ! ⁇ 7 m.
- the kiln exhaust gas treatment method using a chlorine bypass includes the steps of: A process of extracting the exhaust gas from the kiln, a process of cooling the extracted exhaust gas below the melting point of the chlorine compound, and a process of classifying the dust in the exhaust gas into coarse powder and fine powder by a classifier.
- a kiln exhaust gas treatment apparatus using a chlorine bypass includes: an extraction device that extracts a part of the kiln exhaust gas from the kiln; a cooling device that cools the extracted exhaust gas to 600 ° C. to 70 ° C. or less; A classifier for classifying the dust in the cooled exhaust gas into coarse powder and fine powder, and a coarse / fine powder conveying means for returning the separated coarse powder to the kiln and sending the fine powder downstream of the classifier.
- the bleeding means bleeds at a rate of more than 0% to 5% or less of the amount of bled gas of the kiln exhaust gas;
- the coarse and fine powder conveying means supplies all fine powder to the cleansing tank or the finishing mill.
- FIG. 1 shows the relationship between the bypass rate (%) of the kiln exhaust gas of the present invention and the chlorine concentration reduction rate (%)
- Figure 2 shows the experimental apparatus
- Figure 3 shows the experimental results.
- FIG. 4 is a diagram showing the relationship between the dust particle size (; um) of the present invention and the cumulative particle size distribution (%).
- FIG. 5 is a diagram showing the chlorine bypass dust addition ratio (%) of the present invention and the mortar 28. Ratio
- FIG. 6 is a diagram showing a first embodiment of the present invention
- FIG. 7 is a diagram showing a second embodiment of the present invention
- FIG. 8 is a diagram showing a third embodiment of the present invention.
- FIG. 9 is a diagram showing a fourth embodiment of the present invention
- FIG. 10 is an enlarged perspective view of the indirect air cooling device of FIG. 9,
- FIG. 11 is a diagram showing a fifth embodiment of the present invention.
- the inventor of the present invention has conducted intensive studies on the problems of the conventional example described above, and first of all, stable operation of the kiln.
- chlorine most acutely affects the stable operation of kilns.
- chlorine is about 1/10 of the content of alkali and sulfur in the components in the cleaning power, but its slight change in concentration is sensitive to the formation of coating in the preheater and, consequently, to the stable operation of the kiln.
- the cement raw material ⁇ is fed into the kiln RK through the Brewerita ⁇ , and part of the chlorine and alkali (sodium and potassium) in the raw material ⁇ is volatilized and circulated in the kiln together with the kiln exhaust gas KG Others will be discharged out of the kiln together with CLINKA CK.
- Curve D chlorine
- Curve ⁇ alkali
- Curve F was the cumulative particle size distribution of the dust and the horizontal axis. Indicates the particle size (wm), and the vertical axis indicates the cumulative particle size distribution (%).
- Fig. 5 For example, when chlorine bypass dust using the present invention is mixed into cement in an amount of more than 0.1%, mortar, which is an important index for cement quality, may have an extremely low compressive strength. Understand. From this, it was found that the addition of chlorine bypass dust to cement is possible without any problem if it is less than 0.1%.
- the vertical axis shows the compressive strength ratio of mortar 28 (1)
- the horizontal axis shows the chlorine bypass dust addition rate (%).
- the amount of clinker produced by the cement kiln and the amount of cement produced are normally proportional, and the dust discharged by the chlorine bypass according to the present invention is less than 0.1% of the clean power production, and the total Even if it is mixed into cement, the cement quality does not deteriorate: the conventional Al-force re-bypass generates a large amount of dust, and it is impossible to add the entire amount to the cement. This is the first technique that has become possible.
- a kiln exhaust gas treatment apparatus using a chlorine bypass according to a first embodiment of the present invention will be described with reference to FIG.
- Extraction of kiln exhaust gas G at 2 It is desirable that this extraction position is as far as possible from the place where the raw material flows, for example, kiln riser 1a is selected. And chlorine concentration is high.
- the ratio of the amount of extracted kiln exhaust gas should be more than 0% and 5% or less.
- the high-temperature kiln exhaust gas G extracted from the bleed air duct 2 is cooled to the melting point of chlorine compounds, i.e., 600 to 70 (cooled instantaneously to TC, in the cooler 3 and then to the classifier 8 such as a cyclone classifier.
- the cyclone classifier 8 has a cross-sectional area of a cyclone body of a X 7.55 x 10 3 m 2 or less, preferably ax 5 x 10 'm 2 to ax 5 x 10 3 m 2 , provides a well-balanced facility between economy and efficiency:
- the classification point of this classifier is 5 to 7 im and the powder exceeding the classification point is returned to the kiln 1 as it is.
- the gas G containing fine powder of 5 to 7 / m or less is heat-exchanged through the boiler 9 and then collected by the dust collector 6
- the gas G is discharged into the atmosphere, and the dust W with a high chlorine content collected by the boiler 9 and the dust collector 6 is used in the cement kiln system.
- suitable transportation means such as trucks, pneumatic transport vehicles, pneumatic transports, belt conveyors, chain conveyors, etc. Send.
- the transferred dust W passes through the primary storage bin 11a, the scale 12b, and the transport means 13 and is mixed with the clink force 14 in the clinker tank 18 burned out of the kiln 1. .:
- the dust w is stored in the storage bin 11b where the cleaning power is stored, or in the finishing mill 20 and further in the cement 1 discharged from the finishing mill 20. It may be supplied to 7 and mixed.
- a second embodiment of the present invention will be described with reference to FIG. 7.
- a high-temperature kiln exhaust gas G extracted from a kiln exhaust gas extraction duct 2 is directly guided to a classifier 8, for example, a cyclone. 0 to 7 ° Classification while cooling to CTC.
- the cooling method is to introduce cooling air CL from the entrance of the cyclone 8 or the fuselage 8a for instantaneous cooling. Subsequent processing is the same as in Example 1 above.
- Example 3 A third embodiment of the present invention will be described with reference to FIG. 8.
- This embodiment shows another exhaust gas treatment method in the above embodiment.
- - Kiln exhaust gas G passed through a classifier 8 can be treated even at a high temperature.
- a dust collector for example, a moving bed dust collector 22
- the exhaust gas is returned to the exhaust air of the kiln preheater 23, and the exhaust gas is heated by an installed waste heat boiler 24.
- 25 indicates a calciner
- 26 indicates a pre-night
- 27 indicates an induction fan
- S indicates a cyclone of a pre-heater 26, respectively.
- FIGS. shows still another exhaust gas treatment method in the above embodiment:
- the gas temperature is as high as 400 to 500 ° C, and for example, a moving bed dust collector is used. It is possible to collect the dust as it is, return the exhaust gas to the kiln system, and turn off the heat with a waste heat boiler, but it can not be collected with a normal dust collector- Lowering or attaching a small boiler has been used to reduce the temperature and heat the heat.
- this device 28 combines the passage 81 of the dust-containing gas G and the passage 82 of the cold air CL.
- the cold air CL is used to lower the temperature of the dust-containing gas G to 200 ° C or less.
- water is used as a refrigerant in this type of indirect cooling.However, when water is used in the present invention, dew condensation or humidity increases at the boundary surface, and a deliquescent chlorine compound adheres. A trouble that the cooler is blocked occurs.
- a fourth embodiment of the present invention will be described with reference to FIG.
- the difference between this embodiment and the first embodiment is that an air-mixing type cooling device 93 similar to the cooling device 3 is provided between the classifier 8 and the dust collector 6:
- the embodiment of the present invention is not limited to the above.
- the cool air CL sent to the cooler 3 is sent more than the other embodiments, and the temperature of the kiln exhaust gas G is reduced to 200 ° C. or less. May be introduced into classifier 8
- the present invention has the following remarkable effects-
- Chlorine is almost removed because the extraction rate of kiln exhaust gas is more than 0% and less than 5% .: Therefore, the rotary kiln can be operated stably and with minimum heat loss. Can remove chlorine-
- the kiln can be reduced to a level that does not affect cement quality even if it is bypassed and mixed with cement. Landfilling and other treatments can be omitted: Also, since the amount of dust is extremely small compared to the conventional example, even if landfilling, washing, etc. are performed, the amount of treatment is small, which is economically advantageous.
Landscapes
- 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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Treating Waste Gases (AREA)
Description
Claims
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/875,516 US5937771A (en) | 1995-12-11 | 1996-12-04 | Method of processing kiln exhaust gases by chlorine bypass system and apparatus therefor |
| ES96941160T ES2160848T5 (es) | 1995-12-11 | 1996-12-04 | Método de tratamiento de gases de escape de un horno por derivación de cloro y aparato para el mismo |
| AU10400/97A AU1040097A (en) | 1995-12-11 | 1996-12-04 | Kiln exhaust gas processing method by chlorine bypass and apparatus therefor |
| JP52191897A JP3318714B2 (ja) | 1995-12-11 | 1996-12-04 | 塩素バイパスによるキルン排ガス処理方法及びその装置 |
| KR1019970705531A KR100243987B1 (ko) | 1995-12-11 | 1996-12-04 | 염소바이패스에 의한 킬른 배기가스 처리방법 및 그 장치 |
| DK96941160.2T DK0808809T4 (da) | 1995-12-11 | 1996-12-04 | Fremgangsmåde til behandling af ovnforbrændingsgas ved afledning af chlor og et apparat dertil |
| EP96941160A EP0808809B2 (en) | 1995-12-11 | 1996-12-04 | Kiln exhaust gas processing method by chlorine bypass and apparatus therefor |
| DE69615344T DE69615344T3 (de) | 1995-12-11 | 1996-12-04 | Verfahren zum behandeln von ofenabgas mittels chlorbypass und vorrichtung dafür |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7/321993 | 1995-12-11 | ||
| JP32199395 | 1995-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1997021638A1 true WO1997021638A1 (en) | 1997-06-19 |
Family
ID=18138735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1996/003545 Ceased WO1997021638A1 (en) | 1995-12-11 | 1996-12-04 | Kiln exhaust gas processing method by chlorine bypass and apparatus therefor |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5937771A (ja) |
| EP (1) | EP0808809B2 (ja) |
| JP (1) | JP3318714B2 (ja) |
| KR (1) | KR100243987B1 (ja) |
| CN (1) | CN1077555C (ja) |
| AU (1) | AU1040097A (ja) |
| DE (1) | DE69615344T3 (ja) |
| DK (1) | DK0808809T4 (ja) |
| ES (1) | ES2160848T5 (ja) |
| TW (1) | TW367267B (ja) |
| WO (1) | WO1997021638A1 (ja) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11278888A (ja) * | 1998-03-26 | 1999-10-12 | Taiheiyo Cement Corp | セメントの製造方法 |
| JP3172131B2 (ja) | 1997-10-24 | 2001-06-04 | 川崎重工業株式会社 | セメント焼成装置からの有害物質の除去方法及び装置 |
| JP3172132B2 (ja) | 1997-10-24 | 2001-06-04 | 川崎重工業株式会社 | セメント焼成装置からの有害物質の制御・除去方法及び装置 |
| JP2003528793A (ja) * | 2000-03-30 | 2003-09-30 | エフ・エル・スミス・アンド・カンパニー・エー・エス | 粒状セメント原料からセメントクリンカを製造するための方法及び装置 |
| WO2006035630A1 (ja) | 2004-09-29 | 2006-04-06 | Taiheiyo Cement Corporation | セメントキルン燃焼ガス抽気ダストの処理システム及び処理方法 |
| JP2008174446A (ja) * | 2003-01-22 | 2008-07-31 | Taiheiyo Cement Corp | セメント製造装置の排ガスの処理方法 |
| CN100561094C (zh) * | 2003-11-18 | 2009-11-18 | 太平洋水泥株式会社 | 燃烧气体抽出用抽气管及燃烧气体的处理方法 |
| WO2009154088A1 (ja) * | 2008-06-17 | 2009-12-23 | 太平洋セメント株式会社 | セメントキルン排ガスの処理装置及び処理方法 |
| WO2010055703A1 (ja) | 2008-11-12 | 2010-05-20 | 太平洋セメント株式会社 | 工業塩、工業塩の製造装置及び製造方法 |
| JP2010215421A (ja) * | 2009-03-13 | 2010-09-30 | Ube Ind Ltd | セメント組成物の水和熱低減方法及びセメント組成物の製造方法 |
| WO2011101948A1 (ja) | 2010-02-16 | 2011-08-25 | 太平洋セメント株式会社 | 焼却灰及びセメントキルン燃焼ガス抽気ダストの水洗方法及び水洗システム |
| US8114190B2 (en) | 2008-10-08 | 2012-02-14 | Mitsubishi Materials Corporation | Exhaust gas treatment method and system for cement burning facility |
| JP2015066477A (ja) * | 2013-09-27 | 2015-04-13 | 太平洋セメント株式会社 | 含水有機廃棄物の処理装置及び処理方法 |
| JP2016064938A (ja) * | 2014-09-24 | 2016-04-28 | 太平洋セメント株式会社 | 抽気冷却装置並びにこれを用いた塩素バイパスシステム及びセメントキルン抽気ガスの処理方法 |
| JP2017095325A (ja) * | 2015-11-27 | 2017-06-01 | 太平洋セメント株式会社 | セメントキルン排ガスの処理装置及び処理方法 |
| JP2020147469A (ja) * | 2019-03-14 | 2020-09-17 | 宇部興産株式会社 | セメントキルン抽気ダストの水洗処理方法 |
| EP3978455A1 (en) * | 2020-09-30 | 2022-04-06 | Cogcem Proyectos, S.L. | Control of volatile particles in cement clinker manufacturing processes |
| JP2022096084A (ja) * | 2020-12-17 | 2022-06-29 | 太平洋セメント株式会社 | セメントクリンカ製造システム及びそれを用いたセメントクリンカ製造方法 |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1048629B1 (en) * | 1998-08-28 | 2010-02-17 | Taiheiyo Cement Corporation | Device and method for bypassing kiln exhaust gas |
| FR2818918B1 (fr) * | 2000-12-29 | 2003-09-19 | Fcb | Procede et dispositif d'elimination des elements volatifs nefastes, notamment chlorures et/ou sulfates, contenus dans un courant de fumees. |
| KR20020067820A (ko) * | 2001-02-19 | 2002-08-24 | 전채현 | 시멘트 소성공정에서의 염소성분 제거설비 |
| KR20020076065A (ko) * | 2001-03-27 | 2002-10-09 | 전채현 | 시멘트 소성 공정에서의 염소 성분 제거 설비의 제어시스템과 그 제어 방법 |
| KR20020042596A (ko) * | 2002-05-15 | 2002-06-05 | 원경산업주식회사 | 시멘트 소성로계 내의 휘발성 물질 제어 장치 |
| KR100661403B1 (ko) * | 2002-12-11 | 2006-12-27 | 다이헤이요 세멘토 가부시키가이샤 | 시멘트 킬른 염소·유황 바이패스 시스템 |
| JP2006089298A (ja) * | 2004-09-21 | 2006-04-06 | Sumitomo Osaka Cement Co Ltd | セメント焼成設備における排ガスの処理方法及び処理装置 |
| JP4664093B2 (ja) * | 2005-03-01 | 2011-04-06 | 太平洋セメント株式会社 | 熱回収装置及び塩素バイパス設備 |
| JP5461789B2 (ja) * | 2007-06-20 | 2014-04-02 | 宇部興産株式会社 | セメント系固化材 |
| JP5461790B2 (ja) * | 2007-06-20 | 2014-04-02 | 宇部興産株式会社 | セメント系固化材 |
| JP5478846B2 (ja) * | 2007-07-18 | 2014-04-23 | 宇部興産株式会社 | セメント組成物及びセメント系固化材 |
| JP4197049B1 (ja) * | 2007-12-19 | 2008-12-17 | 三菱マテリアル株式会社 | セメント焼成設備の排ガス処理システム |
| DK176904B1 (da) * | 2008-01-05 | 2010-04-12 | Smidth As F L | Indretning og fremgangsmåde til afkøling af ovnrøggas i et ovn-bypass |
| CN102114387B (zh) * | 2010-12-22 | 2012-10-10 | 浙江工商大学 | 一种高硫生料生产水泥熟料防结皮工艺 |
| CN106524773A (zh) * | 2011-01-31 | 2017-03-22 | 太平洋水泥株式会社 | 氯旁通系统和氯旁通抽气气体的处理方法 |
| JP4746158B1 (ja) * | 2011-02-22 | 2011-08-10 | 電気化学工業株式会社 | 塩素バイパスダストの空気輸送設備及び当該設備を備えたセメントキルン排ガスの処理システム |
| JP4998639B1 (ja) * | 2011-07-25 | 2012-08-15 | 三菱マテリアル株式会社 | セメント製造設備 |
| JP5051325B1 (ja) * | 2012-01-23 | 2012-10-17 | 三菱マテリアル株式会社 | 塩素バイパス装置 |
| CN103486867A (zh) * | 2013-08-16 | 2014-01-01 | 华新水泥股份有限公司 | 水泥窑旁路放风工艺及系统 |
| DE102013112210A1 (de) * | 2013-11-06 | 2015-05-07 | Thyssenkrupp Ag | Verfahren zur Reinigung von Bypassgasen der Zement- oder Mineralsindustrie sowie Anlage der Zement- oder Mineralsindustrie |
| DE102015002688B3 (de) * | 2015-03-04 | 2016-05-19 | Khd Humboldt Wedag Gmbh | Verfahren und Anlage zur Entstickung von Bypassabgasen in einem mehrstufigen System von Mischkammern bei einer Anlage zur Herstellung von Zementklinker |
| DE102017123746A1 (de) * | 2017-10-12 | 2019-04-18 | Thyssenkrupp Ag | Verfahren und Anlage zur Herstellung von Zementklinker oder eines anderen mineralischen Produkts |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02116649A (ja) * | 1988-10-25 | 1990-05-01 | Tosoh Corp | セメント焼成設備のスケール付着防止方法、及び装置、並びにこれに用いるバイパス管 |
| JPH0796464B2 (ja) * | 1986-12-26 | 1995-10-18 | 日本セメント株式会社 | Nspキルンにおけるアルカリ、塩素類の低減方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3653645A (en) * | 1970-12-10 | 1972-04-04 | Allis Chalmers Mfg Co | Method and furnace for heat treating materials |
| JPS5238569B2 (ja) * | 1973-07-03 | 1977-09-29 | ||
| DE3016642A1 (de) * | 1980-04-30 | 1981-11-05 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren und vorrichtung zum entfernen von in heissen gasen enthaltenen chemischen, teils fluechtigen stoffen oder stoffverbindungen |
| US4440578A (en) * | 1982-05-12 | 1984-04-03 | Wadia Darius A | Method and apparatus for processing raw meal having a high alkali chloride and/or sulfate content |
| DE3244241A1 (de) * | 1982-11-30 | 1984-05-30 | Krupp Polysius Ag, 4720 Beckum | Verfahren zur herstellung von zement aus schwefelhaltigem rohmaterial |
| DE3319083A1 (de) * | 1983-05-26 | 1984-11-29 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren und vorrichtung zur herstellung von kalkreichen bindemitteln, insbesondere von zementen |
| DE3326935A1 (de) * | 1983-07-26 | 1985-02-07 | Krupp Polysius Ag, 4720 Beckum | Verfahren zur entfernung von schadstoffen aus den abgasen eines drehrohrofens |
| DE3341695A1 (de) * | 1983-11-18 | 1985-05-30 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren und anlage zum brennen von feinkoernigem gut, insbesondere zur herstellung von zementklinker aus zementrohmehl |
| DE3403449A1 (de) † | 1984-02-01 | 1985-08-01 | Dyckerhoff Zementwerke Ag, 6200 Wiesbaden | Vorrichtung zur waermebehandlung von feinkoernigem gut |
| DE3621170A1 (de) * | 1986-06-25 | 1988-01-07 | Metallgesellschaft Ag | Verfahren zur staubaufbereitung |
| DE3829853C1 (ja) * | 1988-09-02 | 1989-11-30 | O & K Orenstein & Koppel Ag, 1000 Berlin, De | |
| US5259876A (en) * | 1990-05-04 | 1993-11-09 | F. L. Smidth & Co. A/S | Method and apparatus for the manufacture of clinker from mineral raw materials |
| JPH0796464A (ja) * | 1993-09-28 | 1995-04-11 | Toyoda Mach Works Ltd | ビトリファイド超硬質砥粒砥石 |
| DE4436939A1 (de) * | 1994-10-15 | 1996-04-18 | Kloeckner Humboldt Deutz Ag | Anlage zur thermischen Behandlung von mehlförmigen Rohmaterialien |
-
1996
- 1996-12-04 ES ES96941160T patent/ES2160848T5/es not_active Expired - Lifetime
- 1996-12-04 KR KR1019970705531A patent/KR100243987B1/ko not_active Expired - Lifetime
- 1996-12-04 DE DE69615344T patent/DE69615344T3/de not_active Expired - Lifetime
- 1996-12-04 WO PCT/JP1996/003545 patent/WO1997021638A1/ja not_active Ceased
- 1996-12-04 AU AU10400/97A patent/AU1040097A/en not_active Abandoned
- 1996-12-04 US US08/875,516 patent/US5937771A/en not_active Expired - Lifetime
- 1996-12-04 JP JP52191897A patent/JP3318714B2/ja not_active Expired - Lifetime
- 1996-12-04 EP EP96941160A patent/EP0808809B2/en not_active Expired - Lifetime
- 1996-12-04 CN CN96191884A patent/CN1077555C/zh not_active Expired - Lifetime
- 1996-12-04 DK DK96941160.2T patent/DK0808809T4/da active
- 1996-12-09 TW TW085115191A patent/TW367267B/zh not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0796464B2 (ja) * | 1986-12-26 | 1995-10-18 | 日本セメント株式会社 | Nspキルンにおけるアルカリ、塩素類の低減方法 |
| JPH02116649A (ja) * | 1988-10-25 | 1990-05-01 | Tosoh Corp | セメント焼成設備のスケール付着防止方法、及び装置、並びにこれに用いるバイパス管 |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3172131B2 (ja) | 1997-10-24 | 2001-06-04 | 川崎重工業株式会社 | セメント焼成装置からの有害物質の除去方法及び装置 |
| JP3172132B2 (ja) | 1997-10-24 | 2001-06-04 | 川崎重工業株式会社 | セメント焼成装置からの有害物質の制御・除去方法及び装置 |
| JPH11278888A (ja) * | 1998-03-26 | 1999-10-12 | Taiheiyo Cement Corp | セメントの製造方法 |
| JP2003528793A (ja) * | 2000-03-30 | 2003-09-30 | エフ・エル・スミス・アンド・カンパニー・エー・エス | 粒状セメント原料からセメントクリンカを製造するための方法及び装置 |
| JP2008174446A (ja) * | 2003-01-22 | 2008-07-31 | Taiheiyo Cement Corp | セメント製造装置の排ガスの処理方法 |
| CN100561094C (zh) * | 2003-11-18 | 2009-11-18 | 太平洋水泥株式会社 | 燃烧气体抽出用抽气管及燃烧气体的处理方法 |
| WO2006035630A1 (ja) | 2004-09-29 | 2006-04-06 | Taiheiyo Cement Corporation | セメントキルン燃焼ガス抽気ダストの処理システム及び処理方法 |
| WO2009154088A1 (ja) * | 2008-06-17 | 2009-12-23 | 太平洋セメント株式会社 | セメントキルン排ガスの処理装置及び処理方法 |
| JPWO2009154088A1 (ja) * | 2008-06-17 | 2011-11-24 | 太平洋セメント株式会社 | セメントキルン排ガスの処理装置及び処理方法 |
| US8114190B2 (en) | 2008-10-08 | 2012-02-14 | Mitsubishi Materials Corporation | Exhaust gas treatment method and system for cement burning facility |
| WO2010055703A1 (ja) | 2008-11-12 | 2010-05-20 | 太平洋セメント株式会社 | 工業塩、工業塩の製造装置及び製造方法 |
| JP2010215421A (ja) * | 2009-03-13 | 2010-09-30 | Ube Ind Ltd | セメント組成物の水和熱低減方法及びセメント組成物の製造方法 |
| WO2011101948A1 (ja) | 2010-02-16 | 2011-08-25 | 太平洋セメント株式会社 | 焼却灰及びセメントキルン燃焼ガス抽気ダストの水洗方法及び水洗システム |
| KR20120117885A (ko) | 2010-02-16 | 2012-10-24 | 다이헤이요 세멘토 가부시키가이샤 | 소각재 및 시멘트 킬른 연소 가스 추기 더스트의 수세 방법 및 수세 시스템 |
| JP2015066477A (ja) * | 2013-09-27 | 2015-04-13 | 太平洋セメント株式会社 | 含水有機廃棄物の処理装置及び処理方法 |
| JP2016064938A (ja) * | 2014-09-24 | 2016-04-28 | 太平洋セメント株式会社 | 抽気冷却装置並びにこれを用いた塩素バイパスシステム及びセメントキルン抽気ガスの処理方法 |
| JP2017095325A (ja) * | 2015-11-27 | 2017-06-01 | 太平洋セメント株式会社 | セメントキルン排ガスの処理装置及び処理方法 |
| JP2020147469A (ja) * | 2019-03-14 | 2020-09-17 | 宇部興産株式会社 | セメントキルン抽気ダストの水洗処理方法 |
| EP3978455A1 (en) * | 2020-09-30 | 2022-04-06 | Cogcem Proyectos, S.L. | Control of volatile particles in cement clinker manufacturing processes |
| JP2022096084A (ja) * | 2020-12-17 | 2022-06-29 | 太平洋セメント株式会社 | セメントクリンカ製造システム及びそれを用いたセメントクリンカ製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0808809B1 (en) | 2001-09-19 |
| ES2160848T5 (es) | 2013-03-19 |
| EP0808809B2 (en) | 2012-10-31 |
| ES2160848T3 (es) | 2001-11-16 |
| AU1040097A (en) | 1997-07-03 |
| US5937771A (en) | 1999-08-17 |
| DE69615344T3 (de) | 2013-03-14 |
| KR100243987B1 (ko) | 2000-02-01 |
| DK0808809T3 (da) | 2001-11-19 |
| JP3318714B2 (ja) | 2002-08-26 |
| KR19980702136A (ko) | 1998-07-15 |
| DK0808809T4 (da) | 2012-12-10 |
| DE69615344T2 (de) | 2002-07-04 |
| TW367267B (en) | 1999-08-21 |
| DE69615344D1 (de) | 2001-10-25 |
| CN1077555C (zh) | 2002-01-09 |
| EP0808809A4 (en) | 1999-12-01 |
| CN1173857A (zh) | 1998-02-18 |
| EP0808809A1 (en) | 1997-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO1997021638A1 (en) | Kiln exhaust gas processing method by chlorine bypass and apparatus therefor | |
| US9458059B2 (en) | Process for the calcination and manufacture of synthetic pozzolan | |
| JPWO1997021638A1 (ja) | 塩素バイパスによるキルン排ガス処理方法及びその装置 | |
| CN100478294C (zh) | 包括分流引出含有害物质的转炉废气的水泥熟料生产方法 | |
| US20120160135A1 (en) | Process for the Manufacture of Synthetic Pozzolan | |
| WO2008001747A1 (en) | Cement burning apparatus and method of drying highly hydrous organic waste | |
| JP3552463B2 (ja) | セメント原料焼成方法および焼成装置 | |
| JPH09227184A (ja) | セメントキルン排ガス処理方法及びその装置 | |
| JP4663935B2 (ja) | 煙霧流れからの揮発性成分の除去方法及び装置 | |
| US5704780A (en) | Apparatus for thermal processing of raw materials in dust form | |
| JP4823596B2 (ja) | セメント焼成設備における排ガスの処理方法及び処理装置 | |
| EP0209961B2 (en) | Method and apparatus for producing clinker | |
| US5259876A (en) | Method and apparatus for the manufacture of clinker from mineral raw materials | |
| KR102662338B1 (ko) | 2-단계 드로스 처리 | |
| EP0455301B1 (en) | Method and apparatus for the manufacture of clinker from mineral raw materials | |
| JPH0952742A (ja) | セメントキルン排ガス中のダストの処理方法および装置 | |
| JP2002172314A (ja) | 塩素バイパスによるキルン排ガス処理方法及びその装置 | |
| JP4158860B2 (ja) | セメントキルン排ガス中のダストの処理方法および装置 | |
| JPH0372027B2 (ja) | ||
| JP4156272B2 (ja) | セメントの製造方法 | |
| JPH0550458B2 (ja) | ||
| JP4999260B2 (ja) | 塩素処理方法 | |
| KR20080093700A (ko) | 시멘트 킬른 염소바이패스 설비 | |
| DK201770399A1 (en) | A SYSTEM FOR PYROPROCESSING SUPPLEMENTARY CEMENTITIOUS MATERIALS | |
| SU1006518A1 (ru) | Способ подготовки влажного известн ка дл агломерационного производства |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 96191884.5 Country of ref document: CN |
|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AU CN JP KR US VN |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 1996941160 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 08875516 Country of ref document: US |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 1019970705531 Country of ref document: KR |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| WWP | Wipo information: published in national office |
Ref document number: 1996941160 Country of ref document: EP |
|
| WWP | Wipo information: published in national office |
Ref document number: 1019970705531 Country of ref document: KR |
|
| WWG | Wipo information: grant in national office |
Ref document number: 1019970705531 Country of ref document: KR |
|
| WWG | Wipo information: grant in national office |
Ref document number: 1996941160 Country of ref document: EP |