What is Cement Raw Material

What is Cement Raw Material?

What is cement raw material? It is composed material of calcareous, a small amount of correction clayey material (sometimes adding a mineralization agent, seed and so on, add coal when the production of kiln), to a certain degree of fineness of grinding material. Currently, in order to follow the clinker calcination process smoothly during the progress of various physical and chemical reactions in cement manufacturing, reduce energy consumption during calcination and to improve the capacity and quality of clinker.

Usage of Cement Raw Material

Raw material is to mixing various materials according to required proportion, then grinding into a suitable kiln calcined semi-finished products which is for calcined into mature material (also semi-finished products), and then mixed with clinker and some materials into the cement.

Model selection and technological process in Cement Raw Material powder processing

HLM vertical cement mill

Analysis on grinding mill models

HLM vertical cement mill is an ideal, with extensive use of large scale milling equipment. The main component is main frame, feeder, classifier, blower, plumbing fixtures, storage hopper, electric control system, collection system, widely used in electricity, metallurgy, chemicals, non-metallic mineral industries for grinding and processing. Guilin Hong Cheng produced HLM vertical milling machine is a set of integration of drying, grinding, classification, transport as one, for grinding and processing raw material of cement, clinker, power plant desulfurization with lime powder, slag powder, manganese , gypsum, coal and other materials with high capacity and efficiency.

Cement Raw Material powder processing technological process

Phrase one: raw material crushing
Cement raw material blocks will be crushed to 15mm-50mm fineness by crusher.
Phrase two: grinding
Crushed cement raw material will be sent to the storage hopper by the elevator, and then the feeder will send the material to the main mill for grinding.
Phrase three: classifying
Grinded cement raw material powder will be classified; coarse powder will fall back into the main mill waiting to be grinded again.
Phase four: production collecting
Qualified powder will flow with the air and be collected in the dust catcher, and then the finished powder will be transported to the product storage bin through discharge port. Lastly, the powder will be loaded by tank car or packed by packing machine.

source:http://www.hcmilling.com/solutions/mineral-processing/cement-raw-solution.html

What is FGD Gypsum?

What is FGD Gypsum?

FGD gypsum is been respected because it is a common desulfurization agent. Gypsum is a complex product gypsum obtained through sulfur dioxide of coal-fired or oil enterprise in the process of flue gas, showing a white color (parts are yellow), its radioactive is far less than the natural ore gypsum, not only with all the performance higher than natural gypsum, but also the index is also higher;

Usage of FGD Gypsum

Desulfurization gypsum powder and gypsum powder has large differences on the physical component, desulfurization gypsum powder contains silica, sodium oxide, sodium carbonate, calcium sulfite, limestone, calcium chloride, magnesium chloride and other elements which makes the application rate is relatively high and can be used in many fields such as construction, building materials, industrial mold and artistic models, the chemical industry, agriculture, food processing, medical cosmetology, etc., with renewable, small particle size, composition and stability, low content of harmful impurities, high purity and other characteristics.

Agriculture area: 1. Improve clay or sandy soil into fertile soil, to improve its structure and drainage characteristics;

2. A good source of calcium and sulfur for peanuts, beans, potatoes and cotton, in the process of fruit trees training planted is suitable for a good source of calcium;

3. For adjust the soil PH value and increasing the cation exchange capacity which has important applications meanings;

4.  Be able to provide useful trace elements;

5. Can enhance nodule production; promote the conversion of nitrogen compounds;

6. An important measure to maintain crops disease-free.

Model selection and technological process in FGD Gypsum powder processing

HLM vertical mill

Analysis on grinding mill models

For gypsum milling enterprises, HLM vertical mill is an advanced milling equipment with characteristics of high grinding efficiency, low electric consumption, big feed size, easy to adjust the product fineness, process equipment is simple, small footprint, low noise, low dust, easy maintenance, low operating costs, less consumption of wear-resistant materials.

FGD Gypsum powder processing technological process

Phrase one: raw material crushing
FGD Gypsum blocks will be crushed to 15mm-50mm fineness by crusher.
Phrase two: grinding
Crushed FGD gypsum will be sent to the storage hopper by the elevator, and then the feeder will send the material to the main mill for grinding.
Phrase three: classifying
Grinded FGD gypsum powder will be classified, coarse powder will fall back to the main mill to be grinded again.
Phase four: production collecting
Qualified powder will flow with the air and be collected in the dust catcher, and then the finished powder will be transported to the product storage bin through discharge port. Lastly, the powder will be loaded by tank car or packed by packing machine.

source:http://www.hcmilling.com/solutions/mineral-processing/fgd-gypsum-solution.html

What is Phosphogypsum?

What is Phosphogypsum?

Phosphogypsum refers to the solid waste in the production of phosphoric acid with sulfuric acid phosphate rock, the main component is calcium sulfate. Phosphorus gypsum is generally powder, the appearance is gray, grayish yellow, light green and other colors, contains organic phosphorus, sulfur compounds, bulk density 0.733-0.88g/cm3, particle diameter is generally 5 ~ 15um, the main component is calcium sulfate dihydrate, content counted about 70 ~ 90%, among which secondary ingredients contained vary with different phosphate rock origin, usually contain rock components Ca, Mg phosphate and silicate. China's current annual emissions of phosphogypsum is about 20 million tons, the cumulative displacement of nearly 100 million tons, is the largest displacement of gypsum waste, gypsum waste had occupied large number of soil and formed waste slag hill, which seriously polluted the environment.

Usage of Phosphogypsum

1. Widely used in the field of building materials, large consumptive amount of phosphogypsum and its mature technology application route is carried out by grinding mill. The fine powder of gypsum plaster could be used as building materials in the manufacture of new products including gypsum instead of natural gypsum cement retarder production, refining building gypsum powder, production of plaster board, gypsum block and the like.

2. phosphogypsum rendered acidic, is very rich in sulfur, calcium, magnesium and other trace elements, in addition of widely used for construction, road and other purposes, but also for improvement of saline-alkali soil conditioner, played an important role in alleviate desertification. And moreover, phosphogypsum can also be prepared as a long-acting fertilizer and other fertilizer raw materials.

3. Phosphogypsum has a very large space for development. In industrial field, phosphogypsum used to produce sulfuric acid and cement ammonium sulfate, potassium sulfateand and other products through different processing methods, give full play to its special value.

Model selection and technological process in Phosphogypsum powder processing

HLM currently widely used on the market as the first choice of vertical mill for phosphogypsum grinding, because of its low power consumption, feed size, easy to adjust the product fineness; the process is simple and other advantages to activated in non-metallic mineral including gypsum market.

Analysis on grinding mill models

Hong Cheng vertical mill --HLM vertical milling integrate from drying, grinding, classification, transport as a whole, mainly used grinding and processing of cement, clinker, power plant desulfurization with lime powder, slag powder, manganese ore, gypsum, coal , barite, calcite and other materials. The mill mainly consist of main frame, feeder, classifier, blower, plumbing fixtures, hopper, electronic control systems, collection systems, etc., is a very advanced, efficient, energy-saving milling equipment.

Phosphogypsum powder processing technological process

Phrase one: raw material crushing
Phosphogypsum blocks will be crushed to 15mm-50mm fineness by crusher.
Phrase two: grinding
Crushed phosphogypsum material will be sent to the storage hopper by the elevator, and then the feeder will send the material to the main mill for grinding.
Phrase three: classifying
Grinded phosphogypsum powder will be classified, coarse powder will fall back to the main mill to be ground again.
Phase four: production collecting
qualified powder will flow with the air and be collected in the dust catcher, and then the finished powder will be transported to the product storage bin through discharge port. Lastly, the powder will be loaded by tank car or packed by packing machine..

source:http://www.hcmilling.com/solutions/mineral-processing/phosphogypsum-solution.html

What kind of Raymond Mill should be used to process ilmenite?

Ilmenite industrial value is high, the main purpose is to produce titanium dioxide, and the market prospects are relatively tight. For a professional preparation of milling equipment, advanced manufacturers, Guilin Hong Cheng always concerned about the market of ilmenite and other industries Development needs, developed a professional ilmenite Raymond Mill according to industry needs, not only have excellent quality, stable performance, but also have high efficiency grinding, low comprehensive investment cost, is preferred equipment for ilmenite to achieve greater value.

The main purpose of ilmenite ore is used to produce titanium dioxide powder, mainly use the titanium element in ilmenite; and the use of iron in ilmenite need to go through a complex process before convert into a low value-added by-product, or direct dump as waste, so that both cause the waste of resources and caused serious pollution. With the increasing prominence of resources and environmental problems, the comprehensive utilization of various elements in minerals has become an inevitable trend of mineral utilization.

The use of advanced milling equipment to achieve the comprehensive application of ilmenite value, improve its market competitiveness, ilmenite milling enterprises must consider the development factors. Guilin Hong Cheng is experienced in the field of non-metallic milling equipment, is rigorous production process and advanced, service management is comprehensive and thoughtful, professional manufacture of ilmenite Raymond Mill has many patented technologies, including pendulum structure, maintenance-free roller assembly, ultrafine classifier, energy efficient dust removal system, easy maintenance transmission system, greatly improved the technical indicators for the efficient preparation of ilmenite to provide greater technical support and protection.

Guilin Hong Cheng new environmentally friendly ilmenite Raymond Mill: HC series of vertical pendulum mill
<Number of rollers>: 3-5
<Grinding ring diameter>: 1000-1700mm
<Maximum feed particle size>: ≤25-30mm
<Machine power>: 85-362kw
<Finished particle size>: 22-180μm
<Production capacity>: 1-25t/h
<Scope>: The mill covers a number of patented technology, is technological innovation based on the R-type mill, widely used in electric power, metallurgy, cement, chemicals, building materials, coatings, paper, rubber, medicine , Food and other areas of production and life.
[Performance advantages]: The mill is replacement equipment of the traditional milling machine. Wide usage, simple operation, easy maintenance, stable performance, high cost-effective, 30% -40% higher output than the traditional Raymond Mill, is a kind of economical and practical milling equipment.
<Applicable materials>: Focus on grinding and processing of diabase, clay, graphite, clay, coal gangue, wollastonite, lime, zircon sand, bentonite, manganese ore, gypsum, calcite and other Mohs hardness below 7 non-metallic mineral ores. The equipment has a number of national patent technologies; performance reached the national leading level.

source:http://www.hcmilling.com/news170803-1.html

Vertical mill is the priority equipment for limestone power plant desulfurization

Vertical mill is the ideal equipment for large-scale nonmetallic ore processing. Because of the many advantages of the equipment, it is popular in the fields of limestone, gypsum, coal, barite, and calcite and so on. Limestone is desulfurization agent commonly used in power plant desulfurization process, the use of limestone grinding equipment, not only can efficiently processing powder, but also to meet the desulfurizer finished product size requirements, it is the preferred plant desulfurization equipment.

The limestone-gypsum wet flue gas desulfurization process has been widely used because of its mature technology, high desulfurization efficiency, abundant source of absorbent, low price and available by-products. It has become the most widely used method of flue gas desulfurization in coal-fired power plants. The use of limestone powder in fire power plant desulfurization is because the coal of fire power plant containing sulfurs which emergence in the form of sulfur dioxide or sulfur dioxide under high temperature combustion. Limestone high temperature combustion after calcium oxide was alkaline, able to neutralize the acid and alkali to achieve the purpose of desulfurization. Other alkaline substances can also be used, but limestone is cheap.

Guilin Hong Cheng fully absorb the advanced manufacturing experience, specializing in the production of limestone grinding equipment, the equipment covers a number of patented technology, stand-alone production capacity is large, low energy consumption, and energy consumption is 40-50% lower compared to the ball mill, due to the use of roller limit device, it can greatly avoid severe vibration caused by the mill working time due to lack of material, reliability is very high, in addition, the product particles is evenly, narrow particle size distribution, good liquidity, product adaptability, is the preferred equipment for the efficient processing of limestone.

Guilin Hong Cheng environmental limestone grinding equipment: HLM vertical mill
* Grinding plate diameter *: 800-5600mm
* Feed size *: 50mm
* Production capacity *: 5-700t/h
* Finished product size *: 22-180μm
* Motor power *: 450-6700kw
* Application areas *: Widely used in electric power, metallurgy, cement, chemicals, building materials, coatings, paper, rubber, medicine, food and other production and living areas.
*Practical materials *: For various non-metallic mineral materials with high production and efficient grinding capacity, such as cement raw materials, clinker, power plant desulfurization limestone powder, slag powder, Manganese ore, gypsum, coal, barite, calcite, bauxite and others.

source:http://www.hcmilling.com/news170803.html

How much do you know the Brucite powder ultrafine grinding mill?

Price is the primary consideration when purchase, especially for large milling equipment, in order to purchase the favorite equipment, a lot of factors must be considered. In the field of brucite milling, the use of advanced brucite ultrafine grinding millcan improve the market value of brucite, enhance product competitiveness, is the first choice for the preparation of brucite ultrafine powder.

What are the advantages of brucite ultrafine mill?
Speaking of the advantages of milling machine, Guilin Hong Cheng series ultrafine grinding mill is result of many advanced production technologies, therefore, production capacity and energy consumption are different from the traditional milling machine, Hong Cheng manufactured brucite ultrafine grinding mill with roller, grinding, impact and other mechanical crushing performance, crushing ratio is high, high energy efficiency, the entire system operation under negative pressure state, integrate from raw materials, crushing, transportation, milling to finished products collection, storage, packaging, can be self-contained as a complete production system, the system is very strong, the applicability of the device is also very strong, is brucite ideal dry milling equipment.

Guilin Hong Cheng brucite ultrafine grinding mill---HCH ultrafine roller grinding mill environmental protection equipment
<Maximum feeding size>: ≤10mm
<Model type>: HC780, HC980, HC1395, HC2395 and so on
<Weight>: 17.5-70t
<Capacity>: 0.7-22t/h
<Finished grain size>: 5-45μm
<Features>: Integration of rolling, grinding, impact and other comprehensive crushing performance, scientific and rational design, unique structure and innovation, especially the HCH1395 model reward by the China Calcium Carbonate Association certification as calcium carbonate energy-saving equipment in China, HCH2395 is currently China's largest ultrafine grinding mill.
<Focus areas>: Focus on gypsum, calcite, barite, fluorite, marble and other Mohs hardness below 7 and humidity less than 6% non-metallic mineral ultra-fine processing and grinding, the equipment with a number of countries patented technology, performance reached the national leading level.

source:http://www.hcmilling.com/news170802-1.html

What kind of wollastonite ultrafine grinding mill is more energy efficient?

In the field of ultra-fine wollastonite powder processing, Guilin Hong Cheng has been rich in manufacturing experience, is a professional and strong, technologically leading wollastonite ultra-fine milling machine manufacturers. Hong Cheng has been well-known for its products and services will continue to maintain high-quality products and services in the future for the customer's milling project, to create greater value.

As a popular industrial non-metallic mineral, wollastonite market prospects are still relatively wide, have obvious use in rubber, ceramics, paint coatings, metallurgy and many other areas. In the future industry, wollastonite will be more widely used. Such as emphasizing the deep processing of wollastonite, especially the development of modified high aspect ratio wollastonite products; the development of wollastonite in plastics, high quality paint coatings, friction and bioactive materials and other fields; The development of wollastonite and mica, kaolin, quartz, talc and other mixed particles in the polymer composite materials in the synergistic effect, improve the overall performance of materials and so on. To broaden its application areas, increase its market capacity, these are the future development direction of wollastonite.

Ultrafine grinding mill is integrate with roller, grinding, impact and other comprehensive mechanical crushing performance, product fineness can be adjusted between 325-2500 mesh, as a new energy-saving equipment, the equipment is widely used in wollastonite, talc, calcite, calcium carbonate, dolomite, potassium feldspar, bentonite and other non-metallic mineral preparation field. Hong Cheng professional manufactured wollastonite ultrafine mill with a small footprint, wide use, simple operation, easy maintenance and other advantages, therefore, can greatly reduce the plant land and infrastructure costs, is a wollastonite ultrafine crushing deep processing, efficient, energy saving, energy consumption, investment income fast mainstream equipment.

Guilin Hong Cheng wollastonite ultra-fine milling machine---HCH ultrafine grinding roller mill equipment
<Maximum feed size>: ≤10mm
<Model type>: HC780, HC980, HC1395, HC2395 and so on
<Weight>: 17.5-70t
<Yield>: 0.7-22t/h
<Finished grain size>: 5-45μm
<Features>: Integration of rolling, grinding, impact and other comprehensive crushing performance, scientific and rational design, unique structure and innovation, especially the HCH1395 model reward by the China Calcium Carbonate Association certification as calcium carbonate energy-saving equipment in China, HCH2395 is currently China's largest ultrafine grinding mill.
<Focus areas>: Focus on gypsum, calcite, barite, fluorite, marble and other Mohs hardness below 7 and humidity less than 6% non-metallic mineral ultra-fine processing and grinding, the equipment with a number of countries patented technology, performance reached the national leading level.

source:http://www.hcmilling.com/news170802.html