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Product Name:

Conical Screw Mixer

Product Category:

Conical Screw Mixer

Keyword:

Conical Screw Mixer, also famous known as Nauta Mixer, consists of a conical shape vessel,

Product Description

Conical Screw Mixer, also famous known as Nauta Mixer, consists of a conical shape vessel, top drive unit and screw agitator. The screw lifts the materials in a spiral upward flow and the arm orbit the vessel to remove the materials away from the vessel wall and deflects them into center of vessel. The mixing screw is suspended from an orbital arm, which rotates the mixing screw along the conical inner vessel wall causing convective mixing of particles and shear. It is a gentle mixing and minimal heat generation without any product distortion. Big batch capacity and simple design is widely used in various industries. It's especially suited for delicate products and processes where very accurate results are required and is synonymous with gentle mixing of large volumes of up to 50 000 litres.

Features

● Gentle mixing with minimal heat generation for free flowing material
● Large batch capacity
● CIP cleaning design is optional
● Liquid Injection at top through reducer shaft
● Heating/cooling jacket and vacuum drying design is optional
● Complete Discharge

Applications

● Dry Powder
● Dry Powder with liquid additives
● Slurry
● Paste

Depending on the needs of the customer, our machines assume additional features to fit the relevant task.

Detailed Description

A. Mixed effects
The standard conical mixer has two stirring spirals, one long and one short. In actual applications, single (one long spiral) or three (two short and one long symmetrically arranged) spirals can be used according to the size of the equipment.

B. Cooling and heating
Various types of jackets can be added outside the mixer barrel, and the material can be cooled or heated by injecting hot and cold media into the jacket. Industrial water is generally pumped in for cooling, and steam or thermal oil can be introduced for heating.

C. Add liquid and mix
The liquid spray pipe is connected to the middle shaft of the mixer and connected to the atomizing nozzle to achieve liquid addition and mixing; by selecting specific materials, acid and alkaline liquid materials can be added for powder-liquid mixing.

D. Pressure resistant type
The cylinder cover can be made into a head type, and the cylinder is thickened to withstand positive or negative pressure, and at the same time it can reduce residue and facilitate cleaning. This setting is often used when the mixer cylinder needs to withstand pressure.

E. Feeding method
It can be fed manually, fed by vacuum feeder, or fed by conveying machinery. In a specific process, the mixer barrel can be made into a negative pressure chamber, and a hose can be used to suck dry materials with good fluidity into the mixing chamber for mixing, which can avoid residues and contamination in the material feeding process.

F. Discharging method
Standard equipment generally uses a plum blossom-shaped "dislocation valve". This valve fits closely with the bottom of the long spiral, effectively reducing the mixing dead angle. The driving form is manual or pneumatic. According to user needs, butterfly valves, ball valves, and star valves can also be installed. Unloader, side discharge, etc.

Conical Mixer with CIP

 

S&L conical screw mixer is equipped with a Clean-in-Place (CIP) system to enhance its performance for hygienic production. This system allows for thorough cleaning of the mixer without disassembly. It involves installing washing devices and performing manual preparatory steps to initiate the cleaning process. The CIP system operates in a fully automated mode through programmable logic control (PLC), ensuring complete cleaning. After wet cleaning, it is essential to dry the mixer using air. By utilizing the CIP system, cross-contamination between batches can be prevented, thus ensuring the quality of the finished products.

 

Conical Mixer with Jacket

The dimple jacket is a commonly used type of jacket for dryer mixers. It consists of a thin external shell attached to the vessel shell using spot welds. The cooling or heating medium flows through the jacket, allowing for temperature control of the mixer. With advancements in material processing, mixers are increasingly being used for multi-functional mixing purposes. A dryer mixer can be utilized for mixing materials with a maximum water content of 70%, which can then be dried through the heating jacket combined with vacuum technology. In some cases, the drying effect can reduce the water content to as low as 0.05%. The basic design of a dryer mixer involves a stationary horizontal cylinder that is loaded from the top and discharged from the bottom. The standard mixing tools are plow-shaped and radiate from a horizontal shaft supported by outboard bearings. Other mixing tool designs are also available to suit specific requirements.

  • Operating based on the proven "fluidized bed" mixing principle, this dryer maintains the materials in a mechanically fluidized suspended state. This allows for intimate contact between reacting mediums, such as gas-solid or liquid-solid, and facilitates efficient heat transfer between them and the heat transfer surfaces of the mixer.
  • Cooling or heating: Various types of jackets can be added to the outside of the mixer cylinder to achieve cooling or heating of the materials by injecting cold or hot media into the jackets. Cooling is typically achieved by pumping industrial water, while heating can be achieved by introducing steam or thermal oil.

Conical Mixer with Retractable Rotor

 

In a hygienic mixing environment, the screw agitator pull-out design is an ideal choice. This design allows for easy access to the mixing chamber, reduces downtime for cleaning, and prevents cross-contamination between batches. The driven system ensures that the top cover and vessel can be easily separated, facilitating efficient cleaning of the mixer. The screw agitator pull-out design is particularly useful for dealing with sticky materials that may adhere to the vessel or agitator. This design provides a good way to ensure complete cleaning, thereby avoiding any potential pollution or cross-contamination issues. Additionally, this design allows for quick and easy receipt changing, enabling users to increase the efficiency of their mixing processes.

 

 

 

Specifications

Gross Volume (L) Effective Volume (L) Overall Dimensions (mm) Shaft Speed (rpm) Approx. Weight (kg)
A (length) B (width) C (height)
100 40-60 670 670 1300 118 250
300 120-180 934 934 1900 119 450
500 200-300 1106 1106 2200 119 550
1000 400-600 1509 1509 2800 97 1100
1500 600-900 1662 1662 3000 97 1300
2000 800-1200 1844 1844 3300 97 1450
3000 1200-1800 2071 2071 3500 97 1600
4000 1600-2400 2314 2314 4000 74 2550
5000 2000-3000 2457 2457 4150 74 2800
6000 2400-3600 2603 2603 4400 74 2900
8000 3200-4800 2850 2850 5000 74 4350
10000 4000-6000 3088 3088 5300 72 5600
12000 4800-7200 3267 3267 5600 72 6150
15000 6000-9000 3505 3505 5950 72 6600
20000 8000-12000 3833 3833 6500 56 10150
25000 10000-15000 4115 4115 7000 56 11000
30000 12000-18000 4359 4359 7400 56 12000


       

Related Products

Conical Screw Mixer With Cip

For a kind vertical mixer, we can apply CIP to have perfect performance for hygienic production. Clean-in-Place-CIP system can be added for all our vertical mixers.

Conical Screw Mixer With Heating/Cooling Jacket

A jacketed mixing tank is a type of container used to circulate cooling or heating fluid around the outside of the tank in order to regulate the temperature within.

Conical Ribbon Mixer

The screw agitator pull out for cleaning is an ideal design for hygienic mixing environment, access mixing chamber and reduce downtime for cleaning and cross contamination. With driven system, the top cover and vessel are separated from each easily.

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