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Intermittent automatic centrifuge made to improve the design

Author: Date:2010-12-27
Introduction

     P25T / K full-automatic centrifuge from the United Kingdom (BROAD ? BENT)?????& Sons Ltd. to introduce the ban fully automatic screening equipment. This product is mainly used for sugar, pharmaceuticals, mining and metallurgy, environmental protection, chemical and food industries.

     Broadbent automatic centrifuge gap in the role of the centrifugal force, the material in the crystal and mother liquor separation, such as sugar paste, such as monosodium glutamate. To deal with the material in the filter and a perforated cylinder to the basket, hung on to a long basket at the bottom of the shaft. Suspended from the shaft of a flexible buffer, the buffer rotating device to allow a slight swing in order to find its own Ping Hengzhou rotation, thus reducing the transmission platform to support the vibration. centrifuges from a three-speed electrical or electromagnetic induction frequency converter driven motor drive, feed and sugar in the process of scraping the speed control through a three-phase realization of SCR memory, used to feed and discharge of all structures Pneumatic action. The entire machine control by programmable logic controllers (PLC) control.

centrifuge operation principle

     The material handling machines operating space in the following manner cycle.

     To a low-speed centrifuge to accelerate, according to the concentration of sugar paste to set the general rate of feed is set 200r/min, such as the high concentration of sugar paste, feed speed is set 180r/min, the concentration of low-sugar paste, feed speed is set 240r/min; reach the speed of feed, feed butterfly valve and open the gate, the material down into the trough to the screen and into the basket. Material flow in the distribution of on-board cone, in the role of the centrifugal force under the basket and climbed up the screen form a uniform layer of material, the liquid began to filter through the screen and clear the basket holes to go out and collect shells, respectively, into the lower part of the pipeline equipment China. Material thickness of the screen in the basket until the increase in feed detector which feed off the control valve to close. After a short time delay, the gate valve to close, will not allow any residual material drop to the dark blue screen of the materials. Feed depends on the rate of feed to open the butterfly valves, can be manual or automatic control.

     Feed after the completion of the centrifuges to accelerate the speed to medium and maintain the speed, waiting for the operation or licensing procedures in order to continue the next step. centrifuge and then speed up to a maximum speed of separation (for the general 1200r/min), in the meantime, continue to remove layers of material from the liquid and spray washing water and steam to remove the last of the micro-crystal mother liquor. The mother liquor washed high purity, can be used shunt valve system to guide them to a different liquid in the discharge pipe. centrifuges in the pre-set period of time to maintain the separation speed, crystal layer to dry meet the required standards.

     Upon completion of the separation, the centrifuge slowdown to a very low speed, the screen at the bottom of the basket to open the discharge valve plate, scraping shovel blade to cut into the crystal layer along the top of the screen and slowly moving down to the bottom of the screen basket, dumping In addition to the dry crystal and unloaded at the shell of the following in the operation of the conveyor.

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