SS304 Vertical Powder Mixer for Food Industry, Doebritz Powder Blender, 300L Capacity / CIP Design

Product Overview

The Doebritz Mixer is a high-precision processing equipment for powder and granule blending,catering to the demands of diverse industries.It delivers customized blending solutions tailored to the process characteristics of different sectors,and meets the blending, batching and material handling requirements in food, pharmaceutical,chemical, new energy and other fields.Featuring flexible configuration options, robust safety design and superior blending performance,the Doebritz Mixer stands out as a preferred choice for material handling across industries.It is applicable to a wide range of complex materials, including ordinary powders, as well as materials requiring high cleanliness, prone to abrasion,flammable and explosive substances.

Core Products & Technical Features

Diverse Product Range

Doebritz offers a full lineup of mixers to suit varied process requirements and application scenarios:

• Vertical Mixer: A general-purpose unit for standard working conditions, featuring compact structure and small footprint.
• Sanitary Type: Designed for high-cleanliness applications and compliant with sanitary standards for food and pharmaceutical industries.
• High-speed Type: Enables rapid blending to boost production efficiency, ideal for high-volume material processing.
• CIP Type: Equipped with integrated Clean-in-Place function to cut manual maintenance costs.
• Low-residue Type: Developed for high-value material sminimizing material residue and production waste to the greatest extent.
• High-vacuum Resistant Type: Capable of blending under vacuum conditions to satisfy special processes such as degassing.

Premium Material & Structural Design

• Material Selection: The main body is made of SUS304 or SUS316L stainless steel,which boasts excellent corrosion resistance and meets hygiene criteria for high-cleanliness environments, suitable for handling materials of various properties.
• Structural Forms: Two versions are available: quick-dismantling and standard. Thequick-dismantling design allows easy disassembly for cleaning and maintenance,perfect for production with frequent batch and material changes. Meanwhile,multiple stirring structures including vertical agitator, side agitator and high-speed side agitator are provided to accommodate materials with different viscosities and properties.

Core Products & Technical Features

Sealing & Safety Protection Design

• Shaft Sealing: Multiple sealing solutions such as packing seal and lip seal with air purge are adopted to effectively prevent material leakage, keep the production
  environment clean and safe, and eliminate dust emission.
• Explosion-proof Configuration: Complete explosion-proof solutions are available for flammable and explosive materials, covering non-explosion-proof, Zone 22 and Zone 21 explosion-proof grades. Optional accessories include explosion-proof motors and flameless venting devices. The clearance between rotor and housing is also optimized to ensure operational safety in hazardous environments.

Full Working Condition Adaptability

The Doebritz Mixer adapts to multiple production conditions and process flows:

• Positive Pressure Pneumatic Conveying: With a pressure resistance up to 4 bar and frequency conversion control, it supports material blending and handling during positive pressure conveying.
• Negative Pressure Pneumatic Conveying: Suitable for low negative pressure (pressure resistance above -0.4 bar) and high negative pressure (-1 bar to -0.4 bar) environments, equipped with frequency conversion for stable operation in negative pressure conveying systems.
• Gravity Discharging: Features adjustable speed and leak-proof gravity discharging.The material flow rate is controllable to prevent powder leakage, matching standard gravity discharging processes.
• Batch Metering: Supported by PLC automatic control, it realizes batch metering.formula metering and automatic batching. Its adjustable speed and leak-proof performance guarantee accurate and stable batching results.

Sanitation and Cleaning Solutions

To meet the requirements of high-cleanliness industries, Doebritz mixers are equipped with comprehensive sanitation and cleaning solutions:

• Cleanroom Compatibility:The equipment is compatible with cleanrooms of multiple grades including GradeW, Grade 1OW, Grade 30W, Grade C and Grade D, complying with differentiated clean production standards for the food and pharmaceutical industries.
• Cleaning Methods:Multiple targeted cleaning options are available. A hoist for rapid cleaning can be optionally configured to enable quick equipment disassembly and facilitate manual cleaning. Besides, the mixers support in-place CIP (Clean-in-Place) and WIP (Wash-in-Place) cleaning. In-place cleaning without equipment disassembly drastically improves cleaning efficiency, cuts downtime between batch switches and eliminates cross-contamination risks.
• Surface Treatment:
  External Surface: Optional treatments including sandblasting, shot blasting and fingerprint-resistant finishing are provided to enhance equipment appearance and corrosion resistance.
  Internal Surface: Mirror polishing and surface finishing with roughness grades of Ra0.4um, Ra0.8um and Ra1.6um are available. Tungsten carbide coating, ceramic coating and polymer coating can also be optionally applied to satisfy dualdemands for sanitary compliance and wear resistance.

Flexible Optional Configurations

To accommodate customers’ personalized process requirements, Doebritz mixers come with a wide range of optional configurations:

• Temperature Control Unit: Water-cooled jacket or heating jacket is available for precise material temperature control, ideal for temperature-dependent blending
  processes.
• Cleaning System: Optional CIP (Clean-in-Place) system enables automatic in-place cleaning and reduces manual work.
• Vacuum System: An optional vacuum system supports blending under vacuum conditions to meet special requirements such as degassing and vacuum batching.
• Quick-Clean Hoist: The optional hoist facilitates rapid equipment disassembly for easy manual cleaning and maintenance.

Comprehensive Industry Application Solutions

Doebritz mixers serve multiple sectors including food, pharmaceutical, chemical and new energy industries, with customized solutions tailored to the characteristics of each field.

Food Industry
The food industry sets stringent standards for production hygiene, safety and cross-contamination prevention. Featuring sanitary design, Doebritz mixers fully comply with food production regulations and process a wide variety of food powders and granules.

Applicable materials:
Coffee, chocolate, flour, biscuit ingredients, milk powder, baking materials, grains,wheat flour, corn flour, starch, oatmeal, protein powder, whey powder, whole milk powder, skimmed milk powder, soy protein powder, spices, compound seasonings,chili powder, pepper, five-spice powder, salt and other powdered food raw materials.

The equipment meets production requirements for high-grade clean areas. Equipped with CIP and quick-dismantling cleaning functions, it enables fast batch changeover, effectively prevents cross-contamination and ensures safe and compliant food production.

Pharmaceutical Industry

The pharmaceutical industry demands superior mixing uniformity, precise batching and high-level cleanliness. Doebritz mixers conform to pharmaceutical production criteria and are suitable for processing raw materials for medicines and health products.

Applicable materials:

Antibiotic powder, vitamin powder, hormone preparations, biological fermentation products, cold remedy granules, raw materials for health product capsules and sustained-release tablets, pharmaceutical starch, lactose powder, microcrystalline cellulose, calcium carbonate, recombinant protein powder, freeze-dried vaccine powder, probiotic powder and other pharmaceutical and health product ingredients.Compatible with Grade C, Grade D and other cleanroom environments, the mixers adopt PLC automatic batch metering and formula batching systems to guarantee production accuracy and traceability for every batch. They fully comply with GMP specifications for pharmaceutical production.

Chemical & New Energy Industries

Materials used in chemical and new energy sectors are often flammable, explosive,highly abrasive and complex in properties. Doebritz mixers deliver customized wear-resistant and explosion-proof solutions for processing diverse complex chemical materials.

Applicable materials:

Carbon black, polyolefin resin (PE/PP pellets), petroleum coke powder, PTA, ternary cathode materials for lithium batteries, graphite anode materials, polysilicon / monocrystalline silicon powder, urea pellets, compound fertilizer, herbicide powder,pesticide granules, titanium dioxide, calcium carbonate, kaolin, organic and inorganic pigment powders. The products cover fine chemicals, chemical fertilizers,new energy, new materials and other sub-sectors.
For such materials, optional wear-resistant treatments including tungsten carbide coating, ceramic coating, polymer lining and PTFE cladding are available to extend service life. Complete explosion-proof configurations are also provided to handle flammable and explosive materials and secure operational safety.

Main Technical Parameters

 

ltem	Specifications
Equipment Volume	100 – 3000 L, meeting production demands for different batch sizes
Ambient Temperature	Standard: room temperature; Optional: -15°C to 135°C for wide Standard: room temperature; Optional: -15°C to 135°C for wide
Material Processing Temperature	Standard: room temperature; Optional: 0°C to 135°C
Max Positive Pressure Resistance	4 bar
Min Negative Pressure Resistance	-1 bar
Control Mode	Frequency conversion regulation, PLC automatic control, batch & formula metering

Main Technical Parameters

Doebritz mixers are manufactured in specifications incrementing by 100 liters, ranging from 100 L to 3000 L.

HLJ Series Single-shaft Conical Mixer

The model name of HLJ series conical single-shaft mixers corresponds to its maximum batch volume (liter). It delivers superior mixing quality even at low filling rates.

Note: Detailed dimension drawings are available upon request.Drive power varies greatly depending on bulk density, flow characteristics,rotating speed and processing tasks (e.g. deagglomeration).Equipment weight differs according to the size and design of the drive unit;additional dynamic load is extremely low.

Main Technical Parameters

Doebritz mixers have obtained multiple internationally authoritative certifications including CE, TUV and relevant compliance statements. The products are fully qualified for market access in regions worldwide and provide reliable equipment support for customers.