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WHY DO YOU USE MIXER?

Views:956     Author:Site Editor     Publish Time: 2020-04-01      Origin:Site

Many molding processes require the mixing of a number of auxiliary materials in the main molding materials. These materials have a cost-reducing pulverized regrind, a color-added color masterbatch, and various additives for adding functions. After the auxiliary raw materials are added to the main raw materials, they must be uniformly mixed to function well, and the quality of the products after molding is stable. The mixer is a device that evenly mixes the main raw materials and auxiliary materials.


The Working Principle of the Mixer

(1) The working principle of the mixer is to seal the main raw material and auxiliary raw materials to be mixed in a mixing tank, and use a motor to drive the stirring blades to rotate and stir the raw materials in the container within a certain period of time (time can be set). After it has reached the effect of uniform mixing, it is discharged to a molding machine for molding. Mixers of this type are vertical mixers and horizontal mixers. 


(2) Another kind of mixing equipment is sealed after filling the olive barrel with the main raw materials and auxiliary materials that need mixing, and the motor is used to make the container rotate at 360° for a certain period of time (time can be set), and the raw material in the material barrel After mixing and rotating, it is sufficiently uniformly mixed and discharged to a molding machine for molding. This type of mixer has a rotary mixer (also known as a drum mixer).


(3) The above mixing equipments are used for mixing before the raw materials are sent to the forming machine. In addition, a mixer is set on the forming machine to mix the main raw materials and auxiliary materials sent to the mixer through a small motor and mixing blades. This kind of mixing equipment is called on-machine mixer.


(4) Mixer can be divided into batch mixer and continuous mixer. The former mainly includes vertical mixer, horizontal mixer and drum mixer, while the latter mainly includes large vertical mixer and on-machine mixer. The mixing time set by the batch mixer is determined according to the requirements of the type, quantity and proportion of the raw materials to be mixed. It is generally controlled within half an hour and 30 minutes. On-machine mixer is usually used in conjunction with raw material metering equipment.


The Main Components of the Mixer

The main mechanical components of the industrial mixer are mixing barrel, mixing blade, stirring motor, reducer, etc. The electrical components include motor contactors, time relays (timers), current air switches, and safety protection. The working condition of the industrial mixer is that electricity is required for the motor.

 

The Selection of the Mixer

The selection of batch mixer is mainly determined by the quantity of raw materials to be mixed each time. Because it is batch mixing operation, the quantity of raw materials discharged after the first mixing operation should be able to meet the requirements of raw materials used in the forming equipment during the second mixing operation. Based on this quantity, the amount of charge in the mixing tank is determined.  Standard mixing barrels contain 50 kg, 100 kg, 200 kg, etc. The selection of continuous mixer is mainly to ensure that raw materials can be fully mixed in the time of passing through the mixer.

 

The mold mixer has a very large function in the industry, which not only allows the raw materials to be evenly mixed, but also accelerates chemical changes.


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