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An analysis of the inevitability of the raw material roller press to replace the vertical mill
2025-06-07
The direct costs of cement production mainly include raw material procurement and transportation costs，fuel procurement and transportation costs, electricity costs, etc. In the current environment of insufficient demand in the cement market, in order to ensure that cement factories have a certain profit, it is necessary to find ways to reduce costs. Therefore, reducing production costs has become a necessity for the daily operation of cement factories.
The current popular direction for cost reduction in sintering systems is to mainly reduce coal consumption by lowering the heat consumption of the sintering sys...
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The adjustment of the kiln centerline—Pengfei Group
2024-07-14
Abstract: This article mainly analyzes the deviation of the centerline of the rotary kiln after long-term operation. In response to the large number of pits and cracks on the surface of the support roller, and the high risk of conventional adjustment of the support roller, a new adjustment method is proposed. The case of the author's team using the pad adjustment method to adjust the centerline of the kiln is introduced, providing reference suggestions for rotary kiln technicians.
The cement rotary kiln is mainly composed of six parts: cylinder body, support device, transmission device, hydraulic stop wheel d...
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Production process of lithium carbonate from spodumene-Pengfei Group
2023-11-29
The production of lithium carbonate from spodumene involves two relatively independent processes: pre roasting to produce brine and brine to produce lithium carbonate. The production of brine from spodumene includes eight small steps: drying, roasting, cooling, crushing, grinding, acidification, water immersion, and solid-liquid separation.
Australian Spodumene
1、 Drying: The moisture content of spodumene purchased for the project is usually 8%. In order to not affect the subsequent roasting process, the material needs to be dried. The drying is carried out in a rotary drying kiln, with a drying temperatur...
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What is a rotary kiln?
2023-09-11
What is a rotary kiln?
Your safe and durable rotary kiln solutions, Large rotary kiln manufacturer in China
Rotary kiln produced by PENGFEI can be divided into cement rotary kiln, metallurgical rotary kiln, chemical rotary kiln or active lime rotary kiln.
Working principle of rotary kilns:
The kiln is a cylindrical vessel, inclined slightly from the horizontal, which is rotated slowly about its longitudinal axis. The process feedstock is fed into the upper end of the cylinder. As the kiln rotates, material gradually moves down toward the lower end, and may undergo a certain amount of stirri...
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What is a cement plant?
2023-08-17
What is a cement plant?
Complete process for cement plant
Cement plant is mainly composed of main production workshop, auxiliary workshop & living and administration buildings.
Cement plant is mainly composed of following sections:
Mines includes limestone mine, clay or shale, etc. clay raw material mines.
Raw meal system includes limestone crushing section, pre-homogenization storage shed, raw meal grinding mill & raw meal silo, etc.
Burning system includes kiln inlet section, kiln section and kiln outlet section; coal powder production section if coal is used as fuel
Cement production...
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Production process and main equipment of cement plant
2021-04-05
Cement production method
The production process of cement is simply two grinding and one sintering, that is, raw materials are mined, crushed, ground and mixed to produce raw materials. Raw materials are fired at 1450 ~ C high temperature to produce clinker. Clinker is crushed and ground together with gypsum or other mixed materials to become cement. Due to the difference between dry and wet raw meal preparation, the production methods are divided into three types: wet process, semi dry process or semi wet process and dry process.
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Characteristics of wet process producti...
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