China Hot Sale Cost of Cement Plant
Cement kiln system, rotary kiln system, cement grinding station and
grinding system play main roles in cement plant.
1. This cement plant adopts advanced technology and equipment of
current cement industry. With the advanced technology and dependable equipment, great
economy benefits can be acquired.
2. The high-efficiency low-resistance five-stage cyclone pre-heater
and cdc furnace system with high gas adaptability, high
classification efficiency, high heat exchanging efficiency and low system resistance will be adopted at
the kiln inlet, so as to increase the output of clinker. china complete cement machine,cement
3. New technology will be adopted at the rotary kiln head.
4. In the raw meal grinding section, air swept drying mill is
adopted. The raw material is dried by waste heat from the kiln inlet to save energy and investment.
5. According to technology requirements of the new dry process
rotary kiln, advanced computerized dcs control system is adopted for the control of main production
parts from bottom of raw material blending silos to top of cement silos. And PLC control system is
adopted for other parts.
6.Great importance has been attached to the environment protection
in the plan. In order to measure up to the environment protection standard, advanced and practicable
dust collectors are adopted at all dust generating points.
Brief introduction of process:
1) limestone crushing
2) raw material storage and blending
3) raw meal grinding
4) raw meal homogenizing and kiln feeding
5) kiln inlet, kiln middle, kiln head and pulverized coal
6) waste gas treatment at kiln inlet
7) clinker and admixture storage
8) cement grinding
9) cement storage and packing
In this process, most of raw material should be crushed, such as
limestone, clay, iron ore and coal. Limestone is the largest amount
of raw materials in cement production line, so it is very important
in cement production line.
Raw material pro-homogenization is making the raw material yard
with storage and pro-homogenization function by applying scientific
3. Raw material preparation
In cement production process, to produce 1 ton of Portland cement
must grind at least 3 tons of materials (including raw materials,
fuel, clinker, mixed materials, gypsum). According to statistics,
grinding operations in the dry-process cement production line need
to consume power accounts for about 60% of the whole plant power,
of which 30% of raw material grinding, more than about 3% of coal
mill, cement grinding about 40%. Therefore, a reasonable choice
grinding equipment and processes, optimizing the process
parameters, proper operation and controlling operation system is of
4. Raw material pro-homogenization
The system of raw material pro-homogenization plays a raw meal of
raw ingredients stability of pit entry last gatekeepers.
5. Preheat & decomposition
Raw material preheating and decomposition is completed by
preheater, which can improve the kiln system productivity and
reduce heat consumption of clinker Purposes.
6. The burning of cement clinker
Raw material is carried out into the rotary kiln clinker for
completion after preheating in the preheater and pre-decomposition
7. Cement grinding
Cement grinding is the last process of cement production line, also
the most power consuming process. Its main function is to grind the
cement clinker (and gelling agent, performance tuning materials,
etc.) into the appropriate size and a certain particle size
distribution, which is for increasing the size of its hydration,
accelerating the hydration rate and meeting the coagulation,
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