Настройка по требованию полезного дешевого цементного промышленного экономичного нестандартного оборудования для цементной промышленности
1 000,00 $
2000 т/д небольшой мини цементный завод Китай гарантия качества клинкерный шлифовальный по низкой цене
- Категория: >>>
- Поставщик: Henan Zoomjo International Trade Co. Ltd.Henan Ltd.
Сохранить в закладки 1600929942106:
Описание и отзывы
Характеристики
2000T/D Small Mini Cement Plant China Quality Guarantee Clinker Grinding Plant with Low Price
Product Description
The cement production line is a series of continuous equipment and processes used in a cement plant to produce cement. It consists of the following main components.
There are two main methods used in the blending process of cement manufacturing, namely, the dry process and the wet process.
a) Dry process:
1. The calcareous and muddy raw materials are firstly put into the gyratory crusher for crushing to get blocks of 2-5 cm size.
2. The crushed material is put into ball mill or tube mill again for fine grinding to get fine particles.
3. The finely ground material is screened and stored in a hopper.
4. Next, these powdered minerals are mixed in the required proportions to form a dry raw meal mixture which is stored in silos ready to be fed into the rotary kiln.
5. In the rotary kiln, the raw materials are mixed in specific proportions to ensure that the average composition of the final product remains appropriate.
b) Wet Process:
1. Raw materials are first crushed and made into powder form and then stored in silos.
2. the clay is washed in a scrubber mill to remove the organic matter adhering to the clay.
3. the powdered limestone and washed clay are fed into a channel, flowed and transferred to a mill where they are thoroughly mixed to form a paste known as slurry.
4. The grinding process can be carried out in a ball mill or a tube mill or even both.
5. The slurry is then introduced into a collection tank where its composition can be adjusted.
6. The slurry, which contains about 38-40% water, is stored in tanks and is ready for the rotary kiln.
It is important to note that the above process only covers the blending stage of the cement manufacturing process, the actual production process also includes other important steps such as calcination and cooling to obtain the final cement product.
a) Dry process:
1. The calcareous and muddy raw materials are firstly put into the gyratory crusher for crushing to get blocks of 2-5 cm size.
2. The crushed material is put into ball mill or tube mill again for fine grinding to get fine particles.
3. The finely ground material is screened and stored in a hopper.
4. Next, these powdered minerals are mixed in the required proportions to form a dry raw meal mixture which is stored in silos ready to be fed into the rotary kiln.
5. In the rotary kiln, the raw materials are mixed in specific proportions to ensure that the average composition of the final product remains appropriate.
b) Wet Process:
1. Raw materials are first crushed and made into powder form and then stored in silos.
2. the clay is washed in a scrubber mill to remove the organic matter adhering to the clay.
3. the powdered limestone and washed clay are fed into a channel, flowed and transferred to a mill where they are thoroughly mixed to form a paste known as slurry.
4. The grinding process can be carried out in a ball mill or a tube mill or even both.
5. The slurry is then introduced into a collection tank where its composition can be adjusted.
6. The slurry, which contains about 38-40% water, is stored in tanks and is ready for the rotary kiln.
It is important to note that the above process only covers the blending stage of the cement manufacturing process, the actual production process also includes other important steps such as calcination and cooling to obtain the final cement product.
Working Flow
Which is better, the dry process or the wet process?
If we consider the quality and rate then wet process is better and if we consider fuel consumption and time of process then dry process is better. Difference between dry and wet process in table form:
Dry Process | Wet Process |
1. Mixing of raw material in dry state in blenders. | 1. Mixing of Raw materials in wash mill with 35 to 50% water. |
2. The dry materials exiting the mill are called “kiln feed”. | 2. Materials exiting the mill are called “slurry” and have flowability characteristics. |
3. Fuel consumption is low i.e., 100 kg of coal per tonne of cement produced | 3. Fuel consumption is high i.e., 350 kg of coal per tonne of cement produced |
4. Cost of production is less. | 4. Cost of production is high |
5. Capital cost is high due to blenders. | 5. Capital cost (Cost of establishment) is comparatively less |
6. Size of the kiln needed for manufacturing of cement is smaller. | 6. Size of the kiln needed for manufacturing of cement is bigger. |
7. Difficult to control mixing of Raw materials, so it is difficult to obtain a better homogeneous material. | 7. Raw material can be mixed easily, so a better homogeneous material can be obtained |
Main Equipment
Cement making machinery mainly includes crushing equipment, grinding equipment, calcination equipment, dust removal equipment, packaging equipment and preheater, coal mill, cooler, steel silo.
1. Crushing & Proportioning
Primary crushing involves limestone rock fed through large capacity crushers. This reduces the rock to a maximum size of approximately 150 mm. Secondary crushing further reduces this to 75mm or under. Residule material is stacked and reclaimed with a bridge reclaimer in a cross section so that the homogeneous limestone is fed further in the process. This averages the limestone quality.
Primary crushing involves limestone rock fed through large capacity crushers. This reduces the rock to a maximum size of approximately 150 mm. Secondary crushing further reduces this to 75mm or under. Residule material is stacked and reclaimed with a bridge reclaimer in a cross section so that the homogeneous limestone is fed further in the process. This averages the limestone quality.
2. Raw milling & Blending
Crushed particles are ground to 90 microns or less in a closed circuit ball mill with high efficiency separator. The raw meal is transferred to continuous blending silos (CFC) for homogenization ,extracted by load cell hopper for feeding to the kiln preheaters.
Crushed particles are ground to 90 microns or less in a closed circuit ball mill with high efficiency separator. The raw meal is transferred to continuous blending silos (CFC) for homogenization ,extracted by load cell hopper for feeding to the kiln preheaters.
3. Pyro processing
Raw material is heated to over 1,450 °C in a pre-heater tower,then through a pre-calciner and finally to the rotary kiln.
Raw material is heated to over 1,450 °C in a pre-heater tower,then through a pre-calciner and finally to the rotary kiln.
4. Burning
As the material progresses through the kiln, certain elements areremoved in the form of gases. The remaining elements unite to form a new substance (clinker) with new physical and chemical characteristics. Clinker is formed in small marble sized pieces
As the material progresses through the kiln, certain elements areremoved in the form of gases. The remaining elements unite to form a new substance (clinker) with new physical and chemical characteristics. Clinker is formed in small marble sized pieces
5. Cooling, Milling, Storage & Packing
Clinker is discharged from the kiln and the temperature is reduced in grate coolers. The hot air from the coolers is redirected back to the kiln, this saves fuel and increases burning efficiency.
Portland cement, the basic ingredient of concrete, is a combination of calcium, silicon, aluminum, iron and small amounts of other ingredients to which gypsum is added in the final grinding process to regulate the setting time of the concrete.
Packing & Delivery
Customer Cases
500TPD Cement Production Line in Philippines
1000TPD Cement Production Line in Peru
2000TPD Cement Production Line in Oman
800TPD Cement Production Line in Uzbekistan
Company Profile
ZOOMJO is a large-scale enterprise that mainly produces heavy mining machinery and integrates scientific research, production and sales. It mainly produces various large and medium-sized crushing equipment, sand making equipment, drying and calcining equipment, mineral processing equipment and other series of products.
ZOOMJO has developed steadily from its establishment to the present with its technical strength, and has grown stronger day by day, and has gathered a large number of high-level management and scientific research personnel. Our company covers an area of 50,000 square meters, and another 10,000 square meters of modern office space, R&D center and sales center. The company has more than 500 employees, including more than 20 intermediate technicians. With strong technical strength, scientific management system and high product quality, ZOOMJO will rapidly grow into an important production and export base of mining machinery.
FAQ
1. How is the quality of your products?
Our products are manufactured strictly according to national and international standard, and we take a test on every grinder before delivery.
2. Is the price of products reliable?
Yes, we are manufacturer and we have the strength to give you the lowest price compared with other dealers. However, we have the policy that "According to the quantity order, we will offer the lowest price as possible with our utterly honest attitude towards business ".
3. Will you help with installation and staff training?
Yes, we can send our engineers to your place to guide the installation and train your workers if needed, but the buyer should bear our technician’s round tickets, accommodation, and food.
4. Service and Payment Terms?
Our products are manufactured strictly according to national and international standard, and we take a test on every grinder before delivery.
2. Is the price of products reliable?
Yes, we are manufacturer and we have the strength to give you the lowest price compared with other dealers. However, we have the policy that "According to the quantity order, we will offer the lowest price as possible with our utterly honest attitude towards business ".
3. Will you help with installation and staff training?
Yes, we can send our engineers to your place to guide the installation and train your workers if needed, but the buyer should bear our technician’s round tickets, accommodation, and food.
4. Service and Payment Terms?
a. We usually accept T/T, L/C, but other terms also workable.
b. We take pictures of finished products before delivery.
b. We take pictures of finished products before delivery.
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