Та мессежээ энд үлдээж болно, бид танд шууд имэйл илгээх болно.
SL/RN Process. process is a widely used coal-based DRI-making process which uses a rotary kiln. The process uses lump ore, pellets, beach sand or ilmenite ore and solid carbon to produce hot or cold DRI. The process operates at high temperature and atmospheric pressure.The advantage of this technology is its robustness and the potential to use ...
SL/RN Process SL/RN Process The so-called Stelco-Lurgi/Republic Steel-National Lead (SL/RN) process is a widely used coal-based DRI-making process which uses a rotary kiln. The process uses lump ore, pellets, beach sand or ilmenite ore and solid carbon to produce hot or cold DRI. The process operates at high temperature and atmospheric pressure.
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The coal-based processes can be grouped into four categories according to their reduction reactors. The rotary kiln processes include ACCAR/OSIL, DRC, Krupp-CODIR and SL/RN processes. Kinglor ...
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The kiln is lined with high alumina refractory (70% Al 2 O 3 ) having a thickness of 200 · 10 À3 m, which can withstand 1600- 1700 C (1873-1973 K) and have high abrasion resis- tance. Fig. 3 ...
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With one single exception, all the SL/RN plants have hitherto been built by the consumer and are integral components of steel works. ID/too.14/19 Page 2 Saaisaii 1. INTRODUCTION 2. SL/RN PROCESS 2.1 Process Plow Sheet 2.2 Kiln heating 2.3 Combination: Preheating unit - rotary kiln ¿z4
The SL/RN process was developed in the early 1960s by Outotec in collaboration with three US companies. Benefits The process principles are the basis for numerous rotary kiln plants and still represent the dominant technology for the direct reduction of lump ore or pellets using coal.
01. Хамгийн урт үргэлжилдэг цуурай Ирландад бий. Хэрвээ та Лох-Лейн нуурын дэргэдэх Каррантуилла уулын орой дээр гараад хамаг чангаараа орилох юм бол таны дуу хоолой 100 удаа давтагдан цуурайтах болно.02.
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Үүний тулд байгууллагын бүх процессийг 1. Үндсэн процессууд, 2.Дэмжих чиглэлийн процессууд 3. Удирдахуйд хамаарах процесс гэсэн гурван түвшинд авч үзэн удирдах хэрэгтэй болдог.
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Lurgi/Republic National (SL/RN) process, makes up 50% or more of the total iron charge. The SL/ RN DRI samples from a kiln cooler had high nitrogen contents (50 250 ppm, depending on
SL/RN and HYL are two such DR processes. While HYL is a batch-type gas based process and uses a countercurrent shaft-furnace, the SL/RN process utilizes rotary kiln to reduce lump ore, pellets and sand iron with coal. Here we will discuss about some key features, including advantages and disadvantages of these two DR processes. HYL III
Зардлын ангилал 3-р баг Шууд зардал Шууд бус зардал -Ажилчдын сарын цалин -Газрын түрээс -Тээврийн хөлс -Тог цахилгааны зардал -Харуулуудын цалин. 15. Зардлын ангилал - Шуудан зөөгчийн цалин ...
The SL/RN process flow sheet is shown in Fig. 4. The charge consists of a mixture of pellets and/or lump ore, fluxes such as limestone and/or dolomite (amount depending on [2] the sulfur content ...
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Description. A mathematical model has been developed to predict the operating behaviour of an SL/RN direct reduction kiln from a knowledge of the main process variables. The model is based on steady state principles and is capable of quantitatively describing the complex chemical reactions in the kiln such as reduction, Boudouard reaction, coal ...
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