Technique for improving quality and quantity of production output per machine hour of open circuit mill

Abstract

This invention discloses technique to increase yield and quality when it grinds the plant in open flow system, which is characterized in that, slow releasing solid grinding aid with cool water with pH value of 6~8 at temperature below 25Deg, preparing liquid grinding aid on field, and adding into grinder with controlled precise quantity. With the technique, it can increase whole effect 10~25% for three grinders; it can control precisely the hole sizer of fineness 4900 when residual is 1.5~5.0%, and the special surface area 320~450m2/kg; the temperature when cement prepared can decrease 10~20Deg; it increases the special surface area with 10~40m2/kg and early strength with 0.5~1.5MPa for same condition separately.

Description

Technical field [0001] The invention belongs to a new technology for processing cement, in particular to a technology for improving the output and quality of an open flow system mill. Background technique [0002] Generally speaking, the open flow system mill has the advantages of simple process layout, less equipment, low investment and low maintenance cost. However, there are also major disadvantages: ball encapsulation, encapsulation, serious electrostatic adsorption, many over-grinding phenomena, low table time, high power consumption, high cement temperature after grinding, fineness, and specific surface area are not suitable for control. At present, there is a solution to optimize the grinding efficiency of various cements by adding grinding aids. However, the grinding aids used now are in liquid state, and are directly transported to the construction site by the manufacturer for use. Its shortcomings are: transportation is inconvenient, the concentration of the grin...

AI Technical Summary

Problems solved by technology

However, there are also major disadvantages: ball wrapping, section wrapping, serious electrostatic adsorption, frequent over-grinding phenomena, low table time, high power consumption, high cement temperature after grinding, fineness, and specific surface area are not suitable for control.

Its shortcomings are: transportation is inconvenient, the concentration of grinding aid has been fixed, and it cannot be adjusted according to needs, and the use effect is not optimal