1500t/d回转窑水泥生产线工程

1.1生产方法 Production method

干法生产，设置一条φ3.5×54m带窑外分解炉五级旋风预热器回转窑生产线。

The production method is dry process. A rotary kiln(φ3.5×54m) production line with five-stage cyclone pre-heater and decomposition furnace will be adopted.

1.2生产能力及工厂规模Production scale and capacity

   烧成系统生产能力为日产熟料1500吨，掺加石膏后工厂年产硅酸盐水泥500000吨。

The production capacity is 1500t/d for clinker, while 500,000t/a for Portland cement when mixed with gypsum.

1.3 水泥品种 Cement types

本技术和设备可生产符合中国水泥标准GB175-1999中的硅酸盐水泥,其强度为32.5MP、42.5MP，可根据市场需要进行调节。

The technology and equipment adopted can produce 32.5MP and 42.5MP types of cement in accordance with Chinese Standard GB175-1999. They can be adjusted according to market demand.

 

2. 工艺设计特点Main technical characteristics

2.1 为保证系统运转率，提高产品产、质量，设计中大量选用了具有二十世纪九十年代先进水平的新设备、新工艺，以提高生产线的装备水平，确保设计指标的实现。如新型五级旋风预热预分解系统、高效空气梁篦冷机，节能型多通道喷煤管，戴维森高温风机，鲁奇最新技术生产的电收尘（BS930）等，输送设备采用了耐用、节电的板链提升机、链式输送机，将使本工程的装备在同规模生产线中处于领先水平。

This production line adopts advanced technology and equipment in 1990s to raise technical level and to ensure design indexes. New five-stage cyclone pre-heater system, high efficiency air girder grate cooler, multi-passage pulverized coal burner, Davison heat temperature fan, Luqi BS930 electrical dust collector, as well as chain-board elevator, chain conveyor adopted in this production line can ensure that the technology is advanced compared to other production lines with the same scale.

2.2 在保证生产线的完整性、生产的连续性和可靠性的前提下，力求简化生产工艺流程，以便于生产管理，减少生产事故点，降低投资。

If it has not bad influences on completeness，continuity and reliability, process procedures will be simplified to enhance production management, reduce troubles and lower investment. 

2.3 工艺布置上，简化设备厂房，减少建筑面积 Simplifying houses for equipment to decrease building area

库顶露天布置；高温风机露天布置；带式输送机通廊不设屋顶，用玻璃钢防雨罩防雨；取消提升机楼；收尘器露天放置。

Top of silos are without covers, heat temperature fan and dust collectors are open arranged and glass fiber rainproof covers instead of roofs will be set for belt conveyor passages. There will be no building for bucket elevator.

对各种原料、半成品和成品，在满足正常生产要求的前提下，合理减少储存期，并尽量采用堆棚储存。土建费用大幅度降低。

If it has not bad influences on normal production, by properly reducing storage periods for all raw materials, semi-product and finished product and adopting shed to store those materials and products, civil engineering costs will be greatly reduced.

改进窑尾工艺布置，窑尾预热器塔架设计为钢结构，既可加快施工安装进度，节省投资，又可美化建筑。

Frame for pre-heater at kiln inlet will adopt steel structure to save investment, accelerate erection speed and beautify building. 

2.4 充分考虑节能、降耗，生料入窑使用节能型的板链式提升机和空气输送斜槽，提高了系统的运行可靠性，降低了输送能耗。

Measures have been taken to save energy and reduce consumption. using chain-board elevator and air slides, reliability of the system is enhanced and conveying energy consumption is decreased.     

 

 

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