Pulverized Coal Vertical Mill, also known as Coal Pulverizer, is widely used in coal industry, cement industry, chemical industry, electric power industry, and other industry which is the large-scale material grinding and superfine grinding processing. It is the ideal milling industry assembly equipment of crushing, grinding, drying, classification and conveying, being used for pulverized coal preparation can meet the industry fineness national standards.

As a kind of widely used energy, environmental protection and efficient of coal will make a great contribution to the realization of low carbon targets. The combustion efficiency of pulverized coal is closely related to its fineness, the more appropriate the fineness of pulverized coal, the more quickly it burns, the less the incomplete combustion loss, and the higher combustion efficiency. Therefore the use of high performance grinding equipment can greatly improve the utilization of coal thermal energy in coal processing.

In the process of pulverized coal production, the main motor drives the grinding disc through the speed reducer to rotate, while the hot air enters into the vertical mill body from the air inlet. The raw coal goes down to the center of the grinding disc through the feeding tube, and the disc rotating at a constant speed disperses the raw coal evenly by the centrifugal force to form a material bed with a certain thickness, at the same time raw coal is rolled and crushed by a number of grinding rollers. Under the driving by a continuous centrifugal force, the raw coal move to the grinding disc edge. When the powder leaving the grinding disc meets the hot gas entering the mill the air ring and ascends. The powder get into the separator through the middle shell, during which process the coal powder and the hot gas are fully heat exchanged and moisture is rapidly evaporated. The separator controls finished product granularity from the vertical mill outlet, and the particles larger than the specified size are separated and returned to the grinding disc. The pulverized coal meeting with the requirements of the fineness enter into dust collector and the finished product gets into the finished product warehouse.

Compared with other grinding equipment, pulverized vertical coal mill has the following advantages:

1 High grinding efficiency, and power consumption can be reduced by more than 30%.

2 Assembly equipment of crushing, grinding, classification and drying, the compact equipment layout, the simplification of technological process and saving infrastructure investment with construction area and building space is small more than 30% than the ball mill system.

3 Great drying ability. Using the auxiliary heat source can be dry grinding the material whose moisture up to 12% - 15%.

4 Into the grinding grain size up to 80-120mm, large vertical mill up to 200mm, to simplify the crushing process.

5 The life of quick-wear parts is long, because the vertical mill run there is no direct contact between the metal parts in the process, less vertical mill wear abrasion (5 g/t).

6 Small floor space, compact layout, system equipment with light weight and low investment for civil construction.

7 The residence time of materials in the vertical mill is short (2--3 min), which is easy to automatically control the ingredients and chemical composition of products.

Pulverized coal vertical mill has obvious advantages in grinding efficiency, energy consumption, environmental protection and other aspects, and its application in the field of coal grinding will become more and more popular. ZK is a professional pulverized coal vertical mill manufacturer, and we can provide high-quality products and intimate service. Welcome to visit our plant.