1000tpd Dry Process Cement Production LineDescription of New Type
Dry Process Cement Production Line: This new type dry process
cement production line is a kind of process mainly used for small,
medium and large-scale cement plants. Its preheater employs outside
kiln precalciner. Capable of utilizing the waste heat from kiln
inlet to decompose raw meal, this line is good at saving
electricity and heat. Its closed production line makes it possible
to reduce its ambient dust pollution to less than 50mg/Nm3.
Besides, its capacity to make use waste heat makes it quite cost
efficient for users.Here in Jiangsu Pengfei Group Co., Ltd, we
offer one-stop service for you, including designing, building,
suitable equipment providing, installing and debugging, technical
serving, and overall contracting. And we have successfully finished
the construction of cement production lines of 6000t/d, 5000t/d,
3000t/d, 2500t/d, 1500t/d, and 600t/d.Production Flow of New Type
Dry Process Cement Production Line: 1. Crushing and
Pre-homogenizing:Most of the raw materials, like limestone, clay,
iron ores, and coal, should be crushed before their
pre-homogenization. Limestone is the primary material in this line,
and due to its large particle size and high hardness, its good
crushing plays an important role in the whole line. Special
stacking and reclaiming technology has been used in the
pre-homogenizing process so that raw materials can be better
primarily homogenized.2. Raw Meal Preparing:Since the raw meal
grinding work takes up more than 30% labor force in the whole dry
process cement production line, it is quite important to choose
appropriate grinding equipment and technological process so that
high-quality products can be obtained.3. Raw Meal Homogenizing:The
raw meal homogenization is a key factor for stable clinker
calcination.4. Preheating and Decomposing:The preheater is used to
preheat as well as decompose raw meal. So the length of the rotary
kiln is effectively shortened. And the raw meal can fully exchange
heat with the hot gases from the kiln. Because of its rapid and
high-efficiency heat transfer, the production efficiency and heat
consumption of this production line are greatly improved.5. Clinker
Calcining:After its preheating and pre-decomposing, the raw meal
will be calcined in the rotary kiln, where the generated carbonate
will be further decomposed. Meanwhile, a series of solid phase
reactions will take place.6. Cement Grinding:As the last process,
the cement grinding will consume a great deal of electricity. And
in this process, special size granule cement will be obtained.7.
Cement Packaging:The cement can be transported in bulk or in
bags.Main equipment list DepartmentEquipment
nameSpecificationQtyWeight(t)1:Preparation ofRaw
MaterialshammerCrusher for limestoneCapacity: 150~220t/hFeed size:
1000mmProduct size:
95%≤25mm1 532 Limestone pre-blendingSide cantilever
stackerDB250/14.5Material repose angle:
38°Capacity:300t/h 1 Bridge-type scraper reclaimerQG
120/22Capacity:120 t/h 1 3:Raw Meal
Preparation Tube mill3.8*7.5mCapacity : 85t/hFeed size :
≤ 25mmFineness: ≤12~14% ( R 80mm)Product moisture: ≤1%Motor
Power : ~1,400kW1 1180Mill fanCapacity :
200,000m3/hPressure :6,500PaMotor Power:
500kW1 1~18 ID fanCapacity : 280,000m3/hPressure :
7,500PaMotor Power: 800kW1 1~20 Bag filterCapacity
: 280,000m3/hTemp. : 100ºC-mill
on 200ºC-mill offOutlet
dust content : ≤30mg/ Nm31~132FanCapacity: 280,000m3/hPressure:
2,800PaMotor Power:
250kW1 1~23 4:Clinker
manufacturePreheater and precalcinerCapacity :1,200t/dCyclone :C1
:1-Φ4,950mmC2 :1-Φ4,950mmC3 :1-Φ4,950mmC4 :1-Φ5,200mmC5
:1-Φ5,200mmPrecalciner:Φ3,900×24,000mm1~250Rotary
kilnΦ3.3×50mCapacity :1000t/dPiers :3Inclination: 4%Speed
:0.4~4.2r/minMotor Power:190kW1 1320Tertiary
air ductΦ1,800mm1 Clinker coolerCapacity : 1,200t/dCooling
area : ~31m2Inlet temp.:1400ºCOutlet temp. : 65C+amb. temp.Motor
Power:63kWClinker
crusher 1 11 ~150Burner 1~3EP for
coolerGas volume : 180,000m3/hInlet temp.: 250ºC(Max. 400ºC)Outlet
dust content :
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