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1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price

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China Luoyang Zhongtai Industrial Co., Ltd. certification
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1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price

1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price
1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price 1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price 1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price 1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price 1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price

Large Image :  1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price

Product Details:
Place of Origin: China
Brand Name: ZTIC
Certification: IOS/CE
Model Number: Cusotmized
Payment & Shipping Terms:
Minimum Order Quantity: 1 set
Price: negotiable
Packaging Details: regular packing
Delivery Time: 30 workday
Payment Terms: L/C, T/T
Supply Ability: 50 sets per year
Detailed Product Description
Product Name: Cement Rotary Kiln Type: Rotary Kiln
Certification: ISO/CE Key Selling Points: Energy Saving
Application Industry: Cement Plant, Steel Mill, Chemical Plant & Incinerator Output: 180~10000 T/d
High Light:

1000 Tpd Cement Rotary Kiln

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3r/min Cement Rotary Kiln

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1000 Tpd rotary kiln and dryer

1000 tpd Cement Rotary Kiln dry and wet process high output Kiln

 

ZTIC developed large new dry process cement rotary kiln product with cement research and design institutes in Tianjin, Nanjing and Hefei by using domestic advanced technology, and the product can match 3000~10000t/d large new dry process cement production line. The company has a first-rate rotary kiln development, research and design team, perfect test and inspection means and excellent large rotary kiln manufacturing equipment and manufacturing technology, and has formed a complete technology and production system integrating rotary kiln design, manufacture, install and debugging service.

 

1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price 0

 

Rotary Kiln Processes

With the arrival of rotary kilns, cement manufacturing processes became sharply defined according to the form in which the raw materials are fed to the kiln. Raw materials were either ground with addition of water, to form a slurry containing typically 30-45% water, or they were ground dry, to form a powder or "raw meal".

In the Wet Process, the kiln system is fed with liquid slurry, the water then being evaporated in the kiln.In the Semi-Wet Process, raw material is prepared as a slurry, but a substantial proportion (50-80%) of the water is mechanically removed, usually by filtration, and the resulting "filter cake" is fed to the kiln system.

In the Dry Process, the kiln system is fed with dry raw meal powder.

In the Semi-Dry Process, a limited amount of water (10-15%) is added to dry raw meal so that it can be nodulised, and the damp nodules are fed to the kiln system.

 

1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price 1

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ZTIC Cement rotary kiln technical characteristics:
● Kiln body is made of high quality composed of carbon steel or alloy steel plate and automatic welding;
● Tyre,Support Roller,Open gear adopts alloy cast steel;
● Sliding bearing with large gap not scraping tile bearing;
● Transmission device adopts hard tooth surface reducer, flexible diaphragm coupling, dc motor;
● Adopts hydraulic gear wheel;
● Preheater scales were used respectively to veiw of kiln head, and cylinder pressure tight seal;
● A slow drive device.

 

Wet process kilns

The original rotary cement kilns were called 'wet process' kilns. In their basic form they were relatively simple compared with modern developments. The raw meal was supplied at ambient temperature in the form of a slurry.

A wet process kiln may be up to 200m long and 6m in diameter. It has to be long because a lot of water has to be evaporated and the process of heat transfer is not very efficient.

The slurry may contain about 40% water. This takes a lot of energy to evaporate and various developments of the wet process were aimed at reducing the water content of the raw meal. An example of this is the 'filter press' (imagine a musical accordion 10-20 metres long and several metres across) - such adaptions were described as 'semi-wet' processes.

The wet process has survived for over a century because many raw materials are suited to blending as a slurry. Also, for many years, it was technically difficult to get dry powders to blend adequately.

Quite a few wet process kilns are still in operation, usually now with higher-tech bits bolted on. However, new cement kilns are of the 'dry process' type.

 

1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price 2


Dry process kilns

In a modern works, the blended raw material enters the kiln via the pre-heater tower. Here, hot gases from the kiln, and probably the cooled clinker at the far end of the kiln, are used to heat the raw meal. As a result, the raw meal is already hot before it enters the kiln.

The dry process is much more thermally efficient than the wet process.

Firstly, and most obviously, this is because the meal is a dry powder and there is little or no water that has to be evaporated.

Secondly, and less obviously, the process of transferring heat is much more efficient in a dry process kiln.

An integral part of the process is a heat exchanger called a 'suspension preheater'. This is a tower with a series of cyclones in which fast-moving hot gases keep the meal powder suspended in air. All the time, the meal gets hotter and the gas gets cooler until the meal is at almost the same temperature as the gas.

The basic dry process system consists of the kiln and a suspension preheater. The raw materials, limestone and shale for example, are ground finely and blended to produce the raw meal. The raw meal is fed in at the top of the preheater tower and passes through the series of cyclones in the tower. Hot gas from the kiln and, often, hot air from the clinker cooler are blown through the cyclones. Heat is transferred efficiently from the hot gases to the raw meal.

The heating process is efficient because the meal particles have a very high surface area in relation to their size and because of the large difference in temperature between the hot gas and the cooler meal. Typically, 30%-40% of the meal is decarbonated before entering the kiln.

A development of this process is the 'precalciner' kiln. Most new cement plant is of this type. The principle is similar to that of the dry process preheater system but with the major addition of another burner, or precalciner. With the additional heat, about 85%-95% of the meal is decarbonated before it enters the kiln.

In addition to these distinctions, a further category has emerged in the last 40 years: Precalciner Kilns, in which a proportion of the kiln fuel is burned in a static preheater before the feed enters the rotary kiln.

 

1000 Tpd Cement Rotary Kiln and lime rotary kiln factory price 3

 

Cement Rotary Kiln Specification

Product specifications(m) Kiln dimensions Capacity(t/d) Rotation speed(r/min) Motor power(kw) Total weight(t)
Diameter(m) Length(m) Obliquity(%)
Φ2.5×40 2.5 40 3.5 180 0.44-2.44 55 149.61
Φ2.5×50 2.5 50 3 200 0.62-1.86 55 187.37
Φ2.5×54 2.5 54 3.5 204 0.48-1.45 55 196.29
Φ2.7×42 2.7 42 3.5 320 0.10-1.52 55 198.5
Φ2.8×44 2.8 44 3.5 400 0.437-2.18 55 201.58
Φ3.0×45 3 45 3.5 500 0.5-2.47 75 210.94
Φ3.0×48 3 48 3.5 700 0.6-3.48 100 237
Φ3.0×60 3 60 3.5 300 0.3-2 100 310
Φ3.2×50 3.2 50 4 1000 0.6-3 125 278
Φ3.3×52 3.3 52 3.5 1300 0.266-2.66 125 283
Φ3.5×54 3.5 54 3.5 1500 0.55-3.4 220 363
Φ3.6×70 3.6 70 3.5 1800 0.25-1.25 125 419
Φ4.0×56 4 56 4 2300 0.41-4.07 315 456
Φ4.0×60 4 60 3.5 2500 0.396-3.96 315 510
Φ4.2×60 4.2 60 4 2750 0.4-3.98 375 633
Φ4.3×60 4.3 60 3.5 3200 0.396-3.96 375 583
Φ4.5×66 4.5 66 3.5 4000 0.41-4.1 560 710.4
Φ4.7×74 4.7 74 4 4500 0.35-4 630 849
Φ4.8×74 4.8 74 4 5000 0.396-3.96 630 899
Φ5.0×74 5 74 4 6000 0.35-4 710 944
Φ5.6×87 5.6 87 4 8000 Max4.23 800 1265
Φ6.0×95 6 95 4 10000 Max5 950×2 1659

 

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