Introduced the working principle of batch off unit and matching control system, which is to beequipped with Kole steel Ltd 450 extruder for making synchronous operation together.

Introduced the batch off unit and the bag dust catcher,technical parameters and complied equipment standards.

The development of wheel automatic line's cooling device;

The solution to hidden troubles of rectifier cooling device of power supply system;

Design of modular cooling device for DF_(7G) locomotive;

Based on thermodynamic experiment data of several typical locomotives, this paper presents the cooling capability of the cooling systems under different circumstance temperatures and locomotive powers ,in order to resolve the main question existing in the cooling system of locomotive at present.

In order to ensure the quality of extruded products for high speed extrusion with the speed higher than 300r/min,besides improving the structure of the machinery,the cooling equipment in the metering zone becomes particularly important.

In order to solve the problem of long cooling time of work rolls which affects the turnover of work rolls, a suit of compulsive cooling equipment is designed and made the result of usage is obviou

This paper makes comparison of several kinds of vacuum evaporating equipment, introduces a kind of vacuum evaporating-cooling equipment, and testifies that the vacuum evaporating-cooling equipment has the merits of energy saving and consumption reducing, convenient and smooth operation by using actual example.

The functions of the digital control cooling apparatus based on modern mechatronics and computer technique in related materials studies are expounded in this paper.

This paper describes the application scenarios of flameproof rubber-tyred vehicle,the structure design of flameproof diesel engine\'s cooling apparatus,the effect of main cooling package,and the cooling method of exhaust gas.