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Food Additive Powder Activated Pharmaceutical Cone Screw Nauta Mixer

Short Description:

  • Introduction
  • CF series nauta conical screw mixer is a convective batch mixer which is specially designed for segregative, free-flowing powers and pastes. It is famous for it’s low-intensity mixing and highest level of mixing accuracy without product distortion.
  • Features:
  • 1.For accurate and low-intensity mixing of segregative, free-flowing powders, pastes and slurries ;
  • 2.Mixing vessel volume: 300-5000L;
  • 4.GMP design
  • 5. Liquid spray system and heating jacket can be equipped.
  • 6. Vacuum feeder can be equipped for dust-free and automatic feeding
  • Selection points:
  • a.The total volume of the equipment is 0.3 to 30 cubic meters
  • b.The processing capacity per batch is 0.1 to 15 cubic meters
  • c.Each batch of materials is processed from 0.1 to 20 tons
  • d.The mixing time is 15 to 60 minutes
  • e.The drive configuration power is 1.5KW-55KW
  • f.Equipment materials can be 316L, 321, 304, carbon steel

Working principle

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A Double Screw Cone Mixer  is specially used for powder mixing, it can mix medium like powder, granules, crystallized particles, pellets and agglomeration or caking, also mixing with spraying liquids.

Suspending arm of double screw cone mixer has two blending screws which are of different length and diameter. Suspending arm does revolution and the two asymmetric screws make self rotation at the same time, which makes the powdery materials elevated up and down and also does circular movement. So materials can be mixed completely and evenly under four kinds of movements.

 

Product performance

Material selection

Dry powder mixer can be made of carbon steel, manganese steel, 304 stainless steel, 316L stainless steel, 321 stainless steel and other materials of steel customization, and different materials can also be used in combination; equipment material selection is distinguished: in contact with the material and non-contact with the material part; the inside of the mixer can also be targeted to increase such as anti-corrosion, anti-bonding, isolation, wear-resistant and other functional coating or protective layer; stainless steel surface treatment sandblasting, drawing, polishing, mirror and other treatment methods, and can be applied to different use parts;

Drive Disposition

The mixer is equipped with different power and different capabilities according to the nature of the material, the starting method, and the process requirements. The double spiral cone mixer is equipped with a special double output reducer combination box, which is customized by combining cycloidal needle wheels, gears and worm gears.

Discharge device

Double spiral cone mixer equipped with the configuration of powder spherical valve or plum blossom misalignment valve; powder spherical valve convex spherical conforming to the bottom of the spiral running surface, to a greater extent to reduce the stirring dead angle, and to achieve a larger caliber discharge mouth area, to ensure the discharge residue, the spherical valve has a good sealing of the powder, liquid and even the negative pressure state; loading the plum blossom misalignment valve can achieve simple operation, control the discharge speed, and can be combined with a long spiral bottom support device. The valve drive can be divided into manual, pneumatic and electric.

Auxiliary components

Double helix-tapered mixing plants are fitted with circulating media jackets or steam coil jackets for temperature control when stirring materials. The contact surface between the cylinder and the material of the mixer can increase the anti-corrosion, anti-bonding, metal isolation coating for the nature of the material, and the stirring spiral can be surfaced and welded with wear-resistant alloys for the working conditions with relatively large wear. When adding a small amount of liquid, it is necessary to configure the spray spray device, which is more conducive to the uniform dispersion of the liquid mixed in the main material. The spraying system consists of three basic modules: pressure source, liquid storage tank and sprinkler head.

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Product advantages 

Single-Screw  double-helix conical mixer, which is composed of spray atomization device, transmission part, cylinder cover, spiral, cylinder, discharge valve, etc.

1. Spraying atomization device: The spraying atomization device is composed of a rotary joint and a liquid spraying part, and the liquid injection part is fixed to the lower end cover of the flange fixed distribution box, and the rotating joint and the spraying part are active connections so that the rotating joint is fixed to the pipeline.

2. Transmission part: the movement of the rotating motor and the rotary motor is adjusted to a reasonable speed by the worm gear and the gear, and then transmitted to the spiral to achieve self-rotation and rotation.

3. Drum cover part: the drum cover supports the entire transmission part, the transmission part is screwed to fix the cylinder cover, and the cylinder cover is provided with a feeding port, observation port, cleaning port, and maintenance hole.

4. Spiral part: When two asymmetrical spirals in the cylinder are in motion from and orbiting planets, the animal material is turned over in a large area to make the material quickly achieve uniform mixing.

5. Cylinder part: the cylinder is a conical structure, used as a multiplier material, so that the discharge is fast, clean, no accumulation, no dead end.

6. Discharge valve: the discharge valve is installed at the bottom of the cylinder, used to control the material and discharge, the discharge valve can be divided into manual, pneumatic, electric three structural forms, according to the user's needs to install liquid discharge valve (slurry valve).

 Technical parameters

1. The mixer has three-dimensional movement, which makes the material flow, shear, translation and diffusion, and makes the process from agglomeration to dispersion and doping each other, which ensures the material to be mixed evenly, and the evenness can reach more than 99.9%. The ordinary mixer, in which the material is only separated and combined in the container, has simple operation, low efficiency and poor quality
2. The effective loading rate of the container is 80%, the mixing time is short and the efficiency is high. (only 40% for ordinary mixer)
3. The height of the machine is low, and there is no special requirement for the workshop, so the capital construction investment is reduced.
4. The mixing barrel and the transmission part of the fuselage can be installed on the partition wall to meet GMP requirements.
5. For  mixer, the mixing containers of various shapes can be placed in the mixing cylinder for mixing, which is convenient to use.
6. It can realize stepless speed regulation and is easy to load and unload.
7. Long life and low noise.

Product Details

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Application range 

Broad used in the mixing of powdered and granular materials in pharmaceutical, chemical, food, building materials and other industries.

(1) Suitable for materials with a large specific gravity and considerable powder particles;

(2) Suitable for ceramic glaze mixing process is mild, and the material particles will not be fed or broken;

(3) There will be no overheating of heat-sensitive materials;

(4) In the process of powder-powder mixing, it is very convenient to add liquids required by working conditions or set up one to more spray outlet devices;

(5) The bottom misalignment valve is convenient for discharging, and because there is no fixed device at the bottom of the spiral, there will be no pressure feeding phenomenon.

Video


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