Xinxiang Great Wall Machinery Co., Ltd company News and Trends items

Steel slag is a by-product of steel manufacturing. Approximately 160 kg of steel slag is generated per ton of steel produced. The common chemical compounds in steel slag are SiO2, CaO, Fe2O3, Al2O3, and MnO. The major mineral components of steel slag are C3S, C2S, C4AF, RO phase, and free-CaO. Many studies have shown that steel slag can be applied in ceramics, road pavem...

Have you wondered how cement plants will be in the future? For those of us in this industry it is crucial to know what changes there will be, because it may depend our survival, professional success or failure. This is my opinion about the future: 1. Key Performance Indicator. - During the next 20 years CO2 emissions will be the most important thing in the operation ...

In the production process of industrial enterprises, the ball mill machine has always been a piece of important equipment, not only a large investment but also its work efficiency directly affects economic efficiency. So it has always been the focus of the industry's attention. What are the problems of ball mills in production practice? Generally speaking, there are ...

In a modern cement plant the total consumption of electrical energy is about 100 kWh/t . The cement grinding process accounts for approx. 40% if this energy consumption. Further the quality of the final cement is very dependent on the operation mode and product quality as well as consumption of electrical energy it is important that the cement grinding plant is adequatel...

ball mill is used as a grinder of cement clinker which is horizontal cylinder type mill. A ball mill is filled with the steel balls that rotate on the axis of mill which has tumbling and cascading actions on the balls. Impact forces cause the crushing of material in the horizontal cylinder. Clinker is grinder with impact and friction forces inside the cylinder. Grinding ...

Rotary kilns use extremely high temperatures combined with controlled retention times to cause a chemical reaction or phase change in a material. At certain temperatures (different per each material), a material will undergo a chemical reaction or phase change. This is often necessary to bring about certain qualities of a material, or to cause components of the materi...

In terms of industrial waste slag grinding, the main needs to be studied are the selection of raw materials and the fineness. At present, the types of waste slags discharged by domestic industries are: slag, fly ash, steel slag and silica fume. Although silica fume is an English paper cup high-performance concrete, its price is high and the output is small, which cannot ...

The rocker arm is one of the core parts of the vertical roller mill, and its main task is to transfer the pressure of the hydraulic cylinder to the grinding roller to make it become the grinding force of the feed bed. CHAENG can make all kinds of rockers for vertical roller mill according to the drawings and sizes provided by the customers. Welcome to visit and consul...

It is well known that the steel castings need to be tested for flaw detection during the finishing and machining stages, and the internal defects of the steel castings, such as cracks and shrinkage cavities, can be further detected through the inspection. According to the way of flaw detection, the flaw detection methods can be divided into: ultrasonic flaw detection, ma...

Over the last three decades the vertical roller mill has become the preferred ball mill for grinding of raw materials. The grinding efficiency of the vertical roller mill combined with an ability to dry, grind and classify within a single unit gives the vertical roller mill a decided advantage over a ball mill system. However, despite these benefits, applications of the ...

CHAENG has advanced casting technology and strong production strength. It can provide customers with customized processing services for vertical roller mill grinding table. CHAENG uses superior carbon steel and silicon-manganese steel to produce the grinding table with strong wear-resistant and longer service life. At present, the vertical roller mill grinding tables pro...

The ball mill trunnion /ball mill head is a very important component to support the moving load of the entire mill body and the grinding media, and is continuously operates under the action of alternating stress. Therefore, the ball mill trunnion /ball mill head is required to have good comprehensive mechanical properties in actual production, and there must be no castin...

Steel slag is a by-product of steelmaking in steel plants. A large amount of steel slag is piled up, and it is not used, it will not only occupy land resources, pollute the environment, but also burden the enterprise. According to relevant industry information statistics, the increasing amount of steel slag has caused serious challenges to the operation of steel enterpri...

The ball mill geared ring is important component driving the ball mill cylinder for a long time. CHAENG, as a professional casting girth gear manufacturer, has decades of years’ experience on large steel casting production for ball mill and rotary kiln. Process advantages of CHAENG geared ring for ball mill: Before casting, CHAENG numerically simulates the casting ...

The ball mill is generally composed of a horizontal cylinder, a hollow shaft for feeding and discharging, and a grinding head. The cylinder body is provided with an abrasive body, the cylinder body is made of steel plate, and the steel lining plate is fixed with the cylinder body, and the grinding body is generally a steel ball, and Load into the barrel according to diff...

The rocker arm is one of the more important core components of the vertical roller mill. It can be said that the lack of operation of the vertical roller mill will greatly reduce the work efficiency. Each group of vertical rollre mill rocker arms includes an upper rocker arm and a lower rocker arm, a central shaft, a bearing housing and a bearing, etc., which are all req...

Casting is one of the basic crafts of the modern machinery manufacturing industry. With the increasing demand for large steel castings by major heavy industrial enterprises, the foundry industry has developed rapidly and the number of foundry manufacturers in the market is increasing. The large demand for steel castings has caused the prices of raw materials used by l...

The vertical shaft lime kiln is a lime kiln with an upright shape for burning lime. The modern vertical lime kiln has the advantages of environmental protection, energy saving and mechanization, and high degree of automation. 1. energy saving From the top to the bottom of the vertical lime kiln, the pre-tropical zone, the calcination zone and the cooling zone are in ...

Cement production line is the production line composed of a series of cement production equipment, mainly involving crushing, prehomogenization, raw material preparation and homogenization, preheating and decomposition, sintering of cement clinker, cement grinding and packing and so on. Great Wall Machinery can provide general contracting of new dry process cement produc...

The full name of the coal burning lime kiln is fully automatic mechanized coal burning vertical steel-shell lime kiln, and Kiln type is vertical cylindrical.The fuel for the equipment is mainly solid fuel, such as coke, bituminous coal, anthracite, briquette. Production Process Limestone and coal are respectively fed into the storage bins by forklift. The lower par...

Weihui Chunjiang Cement Co., Ltd is a subsidiary corporation of Chunjiang Group. It has two 4500t/d NSP cement production line. Rotary kiln, as one of the most important equipment in this production line, must has the advantage of energy saving, high efficiency and environmental friendly. Φ4.5*66m cement rotary kiln produced by Great Wall Machinery completely meets thes...

The metallurgical slag pot is a special device for receiving slag from a furnace during steel making or iron making. Due to the high temperature, the material and structural requirements of the slag pot are also very strict. The metallurgical slag pots are the star product of CHAENG. Since 2008, CHAENG has provided about 50 types of slag pots for domestic and foreign ...

Vertical roller mill (vertical grinding mill) is mainly suitable for ultra-fine powder processing of non-inflammable and non-explosive brittle materials with medium and low hardness and Moh’s hardness of 6. The main disadvantages of vertical roller mills are: (1) Since the finished product is sent by the wind, the composition of the finished product composition is re...

Because of its good performance, vertical roller mills are widely used in the grinding and ultra-fine grinding of various solid materials in cement, building materials, electric power, metallurgy, chemical, non-metallic minerals and other industries. As the demand for cement continues to increase, the cement industry continues to grow and develop, and the application...