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52results about How to "Constant effect" patented technology

Apparatus for removing material from a liquid flowing through a channel

An apparatus for removing material from a liquid flowing through a channel includes a sieve grate, a screw conveyor and a detaching device. The sieve grate has an inflow side, an inner side and an outer side. The sieve grate is designed to be cylindrical and to be rotatably driven. The sieve grate is arranged at an inclined orientation to be partially submerged in the liquid. The sieve grate at the inflow side includes an open face. The sieve grate at the inner side includes a plurality of guide plates. The sieve grate includes a shaping carrier element. The sieve grate includes a mesh fabric, the mesh fabric being designed and arranged to form a separation surface for the material. The screw conveyor includes a housing. The screw conveyor includes a driven conveying screw. The screw conveyor is coaxially arranged with respect to the sieve grate. The screw conveyor in the region of the sieve grate includes a feeding hopper for the material, the feeding hopper having a bottom side and including a majority of openings located in the region of the bottom side. The detaching device is arranged at the outer side of the sieve grate and above the feeding hopper in a stationary way. The detaching device is designed and arranged to detach material which adheres to the separation surface from inside of the sieve grate.
Owner:HANS HUBER MASCHEN & ANLAGENBAU

Apparatus for removing material from a liquid flowing through a channel

An apparatus for removing material from a liquid flowing through a channel includes a sieve grate, a screw conveyor and a detaching device. The sieve grate has an inflow side, an inner side and an outer side. The sieve grate is designed to be cylindrical and to be rotatably driven. The sieve grate is arranged at an inclined orientation to be partially submerged in the liquid. The sieve grate at the inflow side includes an open face. The sieve grate at the inner side includes a plurality of guide plates. The sieve grate includes a shaping carrier element. The sieve grate includes a mesh fabric, the mesh fabric being designed and arranged to form a separation surface for the material. The screw conveyor includes a housing. The screw conveyor includes a driven conveying screw. The screw conveyor is coaxially arranged with respect to the sieve grate. The screw conveyor in the region of the sieve grate includes a feeding hopper for the material, the feeding hopper having a bottom side and including a majority of openings located in the region of the bottom side. The detaching device is arranged at the outer side of the sieve grate and above the feeding hopper in a stationary way. The detaching device is designed and arranged to detach material which adheres to the separation surface from inside of the sieve grate.
Owner:HANS HUBER MASCHEN & ANLAGENBAU

Method for obtaining constant elongation in states of acceleration and deceleration

The invention provides a method for obtaining constant elongation in states of acceleration and deceleration. The method comprises the following steps of respectively acquiring the speed of strip steel of an entrance and the speed of strip steel of an exit; setting a length-variable calculating period; calculating an actual value of the elongation; comparing the actual value of the elongation to a setting value of the elongation to obtain an elongation difference value; using a product of the elongation difference value and an elongation adaptive adjustment factor as an inputting value of a PI (proportional integral) controller; outputting additional controlled quantity of a rolling force control ring and additional controlled quantity of a tension control ring; and superposing the additional controlled quantity of the rolling force control ring, the additional controlled quantity of the tension control ring and a rolling force adaptive adjustment factor to obtain final rolling force adjustment amount. Elongation length calculating periods are set at different speed sections, so that the problem of slipping of strip steel in processes of acceleration and deceleration can be solved. By correlation operation of three-times extraction of a square root of actual speed, elongation fluctuation adjustment in the processes of acceleration and deceleration is accelerated in a feedforward control manner; and adaptive factors are set according to dynamic correction of errors of an actual rolling force and an elongation expected rolling force and relation of thickness, width and elongation, and the control precision and the stability of the elongation in the processes of acceleration and deceleration are improved.
Owner:WISDRI WUHAN AUTOMATION
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