زمان انتشار:دسامبر 17، 2019
We have set up the largest white cement production line with most complicated process flow – Anqing White Cement Plant which has two old small white cement production lines and the total annual capacity is 120,000ton white cement, meanwhile Denmark Maierbo Portland Group purchased and then set up Aalborg Portland (Anqing) Co., Ltd in Nov. of 2004. This company signed the turnkey contract with Tianjin Cement Industrial Design Institute Co., Ltd in Apr. of 2008 to set up a new modern white cement production line whose max. capacity could reach 465,000ton white cement clinker and 600,000ton white cement. The address of new plant located in Southern part of Bailushan, Yangqiao – northeast of Anqing.
البورگ پورتلند (Anqing) شرکت با مسئولیت محدود بزرگترین تولید کننده سیمان سفید در جهان است که پایگاه تولید ان در دانمارک، امریکا، مصر، مالزی و چین واقع شده است، در عین حال خالص فروش ان در سراسر جهان گسترش یافته است. پس از خط تولید البورگ پورتلند (Anqing) شرکت با مسئولیت محدود به تولید قرار داده است، ان را تولید PW42.5، PW32.5 و سیمان سفید برای دکوراسیون دیوار خارجی، در حالی که فروش عمدتا در چین است، و تابش به روسیه، ژاپن، کره، استرالیا و بازاریابی شرق دور.
The annual production of Aalborg Anqing White Cement پروژه is 400,000ton white cement clinker according to turnkey contract, means daily production is 1300ton but the requested daily production could reach 1500ton, means max. white cement clinker production could reach 465,000ton which has become the max. white cement production line with most complicated process flow.
White Silicate cement is white cement which still belongs to silicate type cement. As the special requirements on white cement process has large discrepancy with normal silicate cement, the content of white cement clinker of MgO, SO3 and Fe2O3, thus the requirements on raw material is higher, outlet clinker need to utilize water to quick cooling & bleaching process to improve the white content of clinker. After clinker discharged from kiln (＞1300℃), make Fe2O3 to reduce FeO via quick water cooling, iron aluminate will turn up in the form of C6AF2 to reduce the C4AF content which affect the white content, as it speeds up clinker cooling speed and produce large quantity of glass phase content which is hard to paint, thus compared to normal silicate cement, white cement production line has large difference on limestone mineral dressing, raw meal manufacturing and clinker cooling and white cement packing which open a new design area from the designing site of cement plant.
شخصیت های فرایند تولید سیمان سفید Anqing:
1. Two segment crushing, three times screening and washing of limestone
1st limestone crushing is jaw crusher, 2nd crushing chooses to utilize hammer crusher. After a specific crushing and three times screening of limestone, 1st and 3rd screening is liner vibrating screen, 2nd screening is rotary screening and washing and add hammer crusher into 3rd screening. This could ensure that no limestone with impurity enters into factory. After precipitation, washwater will separate the impurity and then re-cycle. The process of limestone crushing, screening and washing is complicated; the height difference of process distribution exceeds 50m.
2. Raw meal manufacturing should be a combination of dry and wet process.
سیمان سفید با استفاده از مواد اولیه سیلیکات برای تولید شن و ماسه کوارتز و پیروفیلیت، به منظور کاهش الودگی ناشی از پودر سیلیکات، پیروفیلیت پس از خرد کردن سنگ شکن فکی و پرس غلتکی وارد اسیاب فرایند مرطوب برای سنگ زنی تک با دو قطعه اتصال موازی می شود. در داخل اسیاب فرایند مرطوب با استفاده از لاینر لاستیکی و چرخ اسکری، علاوه بر این، با استفاده از مواد الیاژی برای غلتک و دیسک اسیاب عمودی خام و کاهش اهن فلزی برای فرایند سنگ زنی. سنگ اهک و سایر مواد خام با استفاده از اسیاب عمودی برای سنگ زنی، دوغاب پیروفیلیت با سایر مواد خام مخلوط می شود و سپس انها در داخل اسیاب عمودی خشک می شوند، اسیاب عمودی غذای خام خروجی باید صلاحیت محتوا و رطوبت را تضمین کند. با توجه به استفاده از فرایند خشک و مرطوب سنگ زنی برای فرایند پردازش مواد غذایی خام، سخت ترین نقطه طراحی برای کنترل و خشک کردن مواد در داخل اسیاب عمودی است.
3. Clinker cooling system is very complicated
Clinker in outlet of kiln will go through one high temperature roller crusher, and then they will be quickly cooled to 100 centi degree via poaching engine, after that, the clinker will be transported by conveying equipment, as during water quenching process, white cement clinker is hot, thus water has become the steam thus it can’t be recovered which cause the much higher heat consumption for white cement calcination compared to that of normal Portland cement. In this project, control clinker temperature after the water quenching inside of poaching engine to be 550-600 centi degree, meanwhile second-cool the clinker to less than 100 centi degree by grate cooler after poaching engine which could recover the waste heat of exhausted waste gas of grate cooler and the waste gas exhausted from grate cooler with 180-200 centi degree could be used as 2nd air for rotary kiln head or 3rd air for calciner.
کنترل در طراحی و ساخت دستگاه شکار غیرقانونی فوق الذکر بسیار دشوار است، پاشش اب در داخل دستگاه شکار غیرقانونی باید پودر کافی باشد، پاشش باید به یک محدوده خاص محدود شود، به این معنی که فقط می تواند به کلینکر تخلیه شده اسپری شود و سعی کند به اجرهای داخلی دستگاه شکار غیرقانونی اسپری نشود، دمای بخار از موتور شکار غیرقانونی باید در داخل 350-400 سانتی گراد و دمای کلنکر خارج از شکار غیرقانونی کنترل شود موتور باید در داخل 550-600 درجه کنترل شود.
به عنوان جریان فرایند بخش سر کوره سیستم کلسیناسیون سیمان سفید، بنابراین براکت سیستم سوزاندن در سر کوره، کوره دوار و سیستم سوزاندن در دم کوره بالاتر از سیستم سوزاندن سیمان پورتلند معمولی است و در مقایسه با همان نوع کوره دوار، همه انها حدود 9 متر بالاتر هستند.
دیگران به منظور استفاده کافی از گرمای هدر می دهند، یک مبدل حرارتی لوله حرارتی را پیکربندی می کند. بخار 350-400 درجه از شکار غیرقانونی، هوای خنک کننده را تا 200 درجه پس از تبادل گرما گرم می کند که می تواند از طریق سنگ زنی زغال سنگ (اسیاب عمودی) خشک شود.
4. Preheating decomposition of burning system at kiln tail utilizes single series five-stage cyclone preheater and TTF three sprayed calciner meanwhile feeding could implement the toggle between 4 & 5 stages.
Waste gas after preheater should be used to dry raw meal for vertical mill, according to theoretic calculation, the drying requirements for raw meal with inlet moisture ≤15%; When the moisture fluctuation of raw meal grinding is large, moisture of raw meal is inside 15-16.5%, it should control to feed material from the connecting pipes of C3-C2 cyclone (means 4 stage preheating), and now the discharged waste gas of C2 stage could reach 420 centi degree which couldn’t meet the requirements for raw meal drying. Waste gas of raw meal vertical mill will enter into large-scale dust filter via 1st stage cyclone filter, then it will be exhausted, when raw meal vertical stop operation, waste gas discharged from C1 stage cyclone should enter into the large air pipes between C1 stage cyclone and high temperature fan to be sprayed for cooling, then it could enter into bag filter.
5. بخش بسته بندی سیمان
علاوه بر یک بسته بندی کیسه بزرگ 1t برای سیمان به پایان رسید، اضافه کردن یک 1T تجهیزات بسته بندی کیسه های بزرگ برای کلینکر؛ بسته بندی سیمان می تواند کیسه های کاغذی 4.0 کیلوگرمی و 25 کیلوگرمی را برای فیلتر کیسه ای علاوه بر کیسه های کاغذی 50 کیلوگرمی با توجه به تقاضای فروش سیمان سفید اجرا کند.
اشکال زدایی و راه اندازی خط تولید سیمان سفید
As too much key points of process and complicated process flow of white cement production line, meanwhile the rotary ire washer, poaching machine, 1300tpd grate cooler, wet process mill, 1t large paper clinker packer, 3rd air pipes, heat exchanger at kiln head, etc. are designed specially for 1300tpd white cement production line and they are put into operation for first time, thus debugging and commissioning is harder than expected. From the recent half years commissioning, the choice on process, equipments and process flow of Anqing White Cement Production Line is reasonable, however some individual equipment is not proper for white cement production and they has been adjusted during the commissioning, at present white cement has implemented continuous production, since this year, all main equipments has been proved and accepted part by part according to the requirements of contract.
در طول راه اندازی، حداکثر خروجی سیستم سوزاندن در طول راه اندازی بیش از 1500tpd است، هنوز هم برخی از فضای به روز رسانی دارد.
The commissioning of Anqing White Cement Production Line has gradually been normal, white cement production line has stepped out into white cement area from designing angle and has some breakup in process and technology, accumulate some experiences, especially in the sides of raw meal producing & wet process grinding section, material slurry conveying, mill stop for cleaning, material slurry storage and measuring, moisture control of material slurry, at least from design side, there are 30 years no concern about this and the key point of white cement production process is that how to ensure the qualification of content & moisture of outlet raw meal of raw vertical mill. Look back to the whole design process of white cement production line, there is some lacking and inconsiderate points, for example the abrasive function of pyrophillite and its high grinding consumption, after quenching of poaching machine, seeding of white cement clinker is small and becomes harder and more abrasive, via commissioning, these problems has been solved out by adjustment, at present Anqing white cement production condition has reached or exceed the contract target. At present white cement produced by Anqing white cement plant has reliable performance and high quality, each index of that has exceed that of international extra class, sales market is quite good and white cement clinker has been exported to Australia.
انتخاب کنید از (چین مصالح ساختمانی خالص)
البورگ پورتلند (Anqing) شرکت با مسئولیت محدود بزرگترین تولید کننده سیمان سفید در جهان است که پایگاه تولید ان در دانمارک، امریکا، مصر، مالزی و چین واقع شده است، در عین حال خالص فروش ان در سراسر جهان گسترش یافته است. پس از خط تولید البورگ پورتلند (Anqing) شرکت با مسئولیت محدود به تولید قرار داده است، ان را تولید PW42.5، PW32.5 و سیمان سفید برای دکوراسیون دیوار خارجی، در حالی که فروش عمدتا در چین است، و تابش به روسیه، ژاپن، کره، استرالیا و بازاریابی شرق دور.
The annual production of Aalborg Anqing White Cement پروژه is 400,000ton white cement clinker according to turnkey contract, means daily production is 1300ton but the requested daily production could reach 1500ton, means max. white cement clinker production could reach 465,000ton which has become the max. white cement production line with most complicated process flow.
White Silicate cement is white cement which still belongs to silicate type cement. As the special requirements on white cement process has large discrepancy with normal silicate cement, the content of white cement clinker of MgO, SO3 and Fe2O3, thus the requirements on raw material is higher, outlet clinker need to utilize water to quick cooling & bleaching process to improve the white content of clinker. After clinker discharged from kiln (＞1300℃), make Fe2O3 to reduce FeO via quick water cooling, iron aluminate will turn up in the form of C6AF2 to reduce the C4AF content which affect the white content, as it speeds up clinker cooling speed and produce large quantity of glass phase content which is hard to paint, thus compared to normal silicate cement, white cement production line has large difference on limestone mineral dressing, raw meal manufacturing and clinker cooling and white cement packing which open a new design area from the designing site of cement plant.
شخصیت های فرایند تولید سیمان سفید Anqing:
1. Two segment crushing, three times screening and washing of limestone
1st limestone crushing is jaw crusher, 2nd crushing chooses to utilize hammer crusher. After a specific crushing and three times screening of limestone, 1st and 3rd screening is liner vibrating screen, 2nd screening is rotary screening and washing and add hammer crusher into 3rd screening. This could ensure that no limestone with impurity enters into factory. After precipitation, washwater will separate the impurity and then re-cycle. The process of limestone crushing, screening and washing is complicated; the height difference of process distribution exceeds 50m.
2. Raw meal manufacturing should be a combination of dry and wet process.
سیمان سفید با استفاده از مواد اولیه سیلیکات برای تولید شن و ماسه کوارتز و پیروفیلیت، به منظور کاهش الودگی ناشی از پودر سیلیکات، پیروفیلیت پس از خرد کردن سنگ شکن فکی و پرس غلتکی وارد اسیاب فرایند مرطوب برای سنگ زنی تک با دو قطعه اتصال موازی می شود. در داخل اسیاب فرایند مرطوب با استفاده از لاینر لاستیکی و چرخ اسکری، علاوه بر این، با استفاده از مواد الیاژی برای غلتک و دیسک اسیاب عمودی خام و کاهش اهن فلزی برای فرایند سنگ زنی. سنگ اهک و سایر مواد خام با استفاده از اسیاب عمودی برای سنگ زنی، دوغاب پیروفیلیت با سایر مواد خام مخلوط می شود و سپس انها در داخل اسیاب عمودی خشک می شوند، اسیاب عمودی غذای خام خروجی باید صلاحیت محتوا و رطوبت را تضمین کند. با توجه به استفاده از فرایند خشک و مرطوب سنگ زنی برای فرایند پردازش مواد غذایی خام، سخت ترین نقطه طراحی برای کنترل و خشک کردن مواد در داخل اسیاب عمودی است.
3. Clinker cooling system is very complicated
Clinker in outlet of kiln will go through one high temperature roller crusher, and then they will be quickly cooled to 100 centi degree via poaching engine, after that, the clinker will be transported by conveying equipment, as during water quenching process, white cement clinker is hot, thus water has become the steam thus it can’t be recovered which cause the much higher heat consumption for white cement calcination compared to that of normal Portland cement. In this project, control clinker temperature after the water quenching inside of poaching engine to be 550-600 centi degree, meanwhile second-cool the clinker to less than 100 centi degree by grate cooler after poaching engine which could recover the waste heat of exhausted waste gas of grate cooler and the waste gas exhausted from grate cooler with 180-200 centi degree could be used as 2nd air for rotary kiln head or 3rd air for calciner.
کنترل در طراحی و ساخت دستگاه شکار غیرقانونی فوق الذکر بسیار دشوار است، پاشش اب در داخل دستگاه شکار غیرقانونی باید پودر کافی باشد، پاشش باید به یک محدوده خاص محدود شود، به این معنی که فقط می تواند به کلینکر تخلیه شده اسپری شود و سعی کند به اجرهای داخلی دستگاه شکار غیرقانونی اسپری نشود، دمای بخار از موتور شکار غیرقانونی باید در داخل 350-400 سانتی گراد و دمای کلنکر خارج از شکار غیرقانونی کنترل شود موتور باید در داخل 550-600 درجه کنترل شود.
به عنوان جریان فرایند بخش سر کوره سیستم کلسیناسیون سیمان سفید، بنابراین براکت سیستم سوزاندن در سر کوره، کوره دوار و سیستم سوزاندن در دم کوره بالاتر از سیستم سوزاندن سیمان پورتلند معمولی است و در مقایسه با همان نوع کوره دوار، همه انها حدود 9 متر بالاتر هستند.
دیگران به منظور استفاده کافی از گرمای هدر می دهند، یک مبدل حرارتی لوله حرارتی را پیکربندی می کند. بخار 350-400 درجه از شکار غیرقانونی، هوای خنک کننده را تا 200 درجه پس از تبادل گرما گرم می کند که می تواند از طریق سنگ زنی زغال سنگ (اسیاب عمودی) خشک شود.
4. Preheating decomposition of burning system at kiln tail utilizes single series five-stage cyclone preheater and TTF three sprayed calciner meanwhile feeding could implement the toggle between 4 & 5 stages.
Waste gas after preheater should be used to dry raw meal for vertical mill, according to theoretic calculation, the drying requirements for raw meal with inlet moisture ≤15%; When the moisture fluctuation of raw meal grinding is large, moisture of raw meal is inside 15-16.5%, it should control to feed material from the connecting pipes of C3-C2 cyclone (means 4 stage preheating), and now the discharged waste gas of C2 stage could reach 420 centi degree which couldn’t meet the requirements for raw meal drying. Waste gas of raw meal vertical mill will enter into large-scale dust filter via 1st stage cyclone filter, then it will be exhausted, when raw meal vertical stop operation, waste gas discharged from C1 stage cyclone should enter into the large air pipes between C1 stage cyclone and high temperature fan to be sprayed for cooling, then it could enter into bag filter.
5. بخش بسته بندی سیمان
علاوه بر یک بسته بندی کیسه بزرگ 1t برای سیمان به پایان رسید، اضافه کردن یک 1T تجهیزات بسته بندی کیسه های بزرگ برای کلینکر؛ بسته بندی سیمان می تواند کیسه های کاغذی 4.0 کیلوگرمی و 25 کیلوگرمی را برای فیلتر کیسه ای علاوه بر کیسه های کاغذی 50 کیلوگرمی با توجه به تقاضای فروش سیمان سفید اجرا کند.
اشکال زدایی و راه اندازی خط تولید سیمان سفید
As too much key points of process and complicated process flow of white cement production line, meanwhile the rotary ire washer, poaching machine, 1300tpd grate cooler, wet process mill, 1t large paper clinker packer, 3rd air pipes, heat exchanger at kiln head, etc. are designed specially for 1300tpd white cement production line and they are put into operation for first time, thus debugging and commissioning is harder than expected. From the recent half years commissioning, the choice on process, equipments and process flow of Anqing White Cement Production Line is reasonable, however some individual equipment is not proper for white cement production and they has been adjusted during the commissioning, at present white cement has implemented continuous production, since this year, all main equipments has been proved and accepted part by part according to the requirements of contract.
در طول راه اندازی، حداکثر خروجی سیستم سوزاندن در طول راه اندازی بیش از 1500tpd است، هنوز هم برخی از فضای به روز رسانی دارد.
The commissioning of Anqing White Cement Production Line has gradually been normal, white cement production line has stepped out into white cement area from designing angle and has some breakup in process and technology, accumulate some experiences, especially in the sides of raw meal producing & wet process grinding section, material slurry conveying, mill stop for cleaning, material slurry storage and measuring, moisture control of material slurry, at least from design side, there are 30 years no concern about this and the key point of white cement production process is that how to ensure the qualification of content & moisture of outlet raw meal of raw vertical mill. Look back to the whole design process of white cement production line, there is some lacking and inconsiderate points, for example the abrasive function of pyrophillite and its high grinding consumption, after quenching of poaching machine, seeding of white cement clinker is small and becomes harder and more abrasive, via commissioning, these problems has been solved out by adjustment, at present Anqing white cement production condition has reached or exceed the contract target. At present white cement produced by Anqing white cement plant has reliable performance and high quality, each index of that has exceed that of international extra class, sales market is quite good and white cement clinker has been exported to Australia.
انتخاب کنید از (چین مصالح ساختمانی خالص)