OD Automatic Batch Mixer Machine

Study on Jute Batch Mixer Machine/ OD Automatic Batch Mixer Machine is Described in Easy way

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Content Index hide
Introduction:
Objectives:
Function of elements:
Water:
Oil:
Emulsifier:
OD Automatic Batch Mixer Machine:
Faults of Emulsion:
Creaming:
Causes of creaming:
Remedy to avoid creaming:
Breaking of Emulsion:
Conclusion:
Related Posts:

Introduction:

OD automatic batch mixer machine is described in easy way in this article. Jute batching is a simple process, usually containing only the emulsifying agent, mineral oil, and water as the only ingredients. In a basic sense, an emulsion is the intimate mixture of two immiscible liquids, where one is dispersed in droplets from inside the other. In other words, it is composed of two phases: the external phase and the internal phase. There is an external phase of water and an internal phase of mineral oil. A batching oil is usually a golden, amber-colored liquid, and water is a colorless liquid, but when the two are mixed together as an emulsion, the resulting liquid is an unsightly, milky white liquid with a golden sheen.

Objectives:

  1. To know what is emulsion.
  2. To know standard recipe of emulsion.
  3. Working principle of OD automatic emulsion mixer machine.

Standard recipe of emulsion:

Water79.5%
Mineral Oil20%
Emulsifier0.5%
Total=100%

Function of elements:

Water:

  1. Softens the fiber.
  2. Increases fibre extensibility.
  3. Prevent excessive fiber breakage at the cards.
  4. Makes the fiber to easily bend round the pins and rollers.
  5. Reduces wt. loss.
  6. Gives required dampness and flexibility.

Oil:

  1. Increase fiber cohesion.
  2. Helps in proper drafting.
  3. Reduces quick evaporation of water from the fibre body.
  4. Lubricates the fibre and helps their free movement during processing.

Emulsifier:

  1. Reduces surface tension.
  2. Stabilizes the emulsion.
OD automatic mixer machine
Figure 01: OD automatic mixer machine

OD Automatic Batch Mixer Machine:

A first emulsifier and equal quantities of mineral oil are placed on the bottom of the mixing tank. Afterward, the remaining oil is added slowly and steadily, heated, and mixed for 35 minutes at a low temperature. A small amount of water and the additive of choice is then added, and the mixture is mixed for approximately 20 minutes until the desired form is achieved. The emulsification process begins when all the ingredients are added to the paddle, and the agitator on the paddle blows at high speed to agitate the mixture when the emulsification process is complete, the mixture is pumped into the supply tank. A further 20 minutes are to be spent in the reserve tank after the emulsion has been transferred from the mixing tank to the reserve tank. After that, it is taken to a softener or spreader machine, where it is put into action.

Faults of Emulsion:

Creaming:

When preparing an emulsion, it is not possible to make all the drops exactly the same size. The larger droplets move toward the surface of the water because they have a lower density than the water. As a result of these droplets, water is unevenly distributed and forms a layer on the surface, causing uneven distribution of emulsion as well. A defect such as this is known as creaming. As a result of this defect, yarn breaks more easily during the spinning process.

Causes of creaming:

  1. Bad agitation of the mixture.
  2. Improper oil selection.
  3. Not accurate mixing ratio of oil, water and emulsifier.

Remedy to avoid creaming:

  1. Using oil of high specific gravity.
  2. Emulsion should not be stored for long time.
  3. Using slow running paddles to stir the mixture, thus the droplet size can be kept small.

Breaking of Emulsion:

It is sometimes the case that the mixture is not uniform and so there are some places where it is dense and others where it is light. This defect is known as breaking, and it is a structural defect. As a result of faulty stirring equipment, this problem occurs. To avoid this problem, it is recommended that high speed agitation is use

Conclusion:

Jute is a fiber that is composed of lignin, so it is hard and brittle due to its composition. When subjected to abrasion and mechanical treatment, this material is easily broken down. To make it soft and easy, a mixture of some lubricating agent is used in order to make it soft and easy. In this experiment, we learned the concept of emulsion and how to prepare an emulsion as a result of our experiments. We would like to thank our teacher for helping us out. In the future, this experiment will be of great help to us in our careers.

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