Conical screw cooker for food production
Optimize batch and continuous operations in your production line with efficient mixing, cooking, and sterilizing capabilities designed for versatile applications, from food production to advanced chemical processes.

Mixes, Cooks, and Sterilizes Under Vacuum Pressure
The Conical Screw Cooker Series DF 050 – DF 600 from BOLZ-SUMMIX is designed to efficiently mix, cook, and sterilize a variety of products across the food, pharmaceutical, and chemical industries. This equipment’s conical construction and rotating mixing screw facilitate gentle and effective product handling, making it ideal for applications such as roasting coffee beans, producing chocolate liquor, and processing active pharmaceutical ingredients. It supports various operations including batch and continuous processes with vacuum and pressure capabilities, enabling precise control over heat treatment for diverse material types.
With a capacity range accommodating different scales of production, this cooker ensures rapid process times and thorough mixing. The design allows for direct steam injection and the addition of process liquids, enhancing sterilization and product consistency. It is constructed with materials like AISI 316L and Hastelloy C22, providing corrosion resistance for demanding industrial environments. Compliance with standards such as GMP and ATEX ensures it meets stringent quality and safety requirements.
Integrating seamlessly into existing lines, this cooker features options for PLC control and remote monitoring, optimizing automation and integration. The inclusion of a CIP system simplifies cleaning and maintenance, reducing downtime. BOLZ-SUMMIX also offers customization for specific needs, including specialized seal designs and pressure ratings, supported by comprehensive engineering assistance.
Benefits
- Achieves rapid processing time with efficient heat transfer, reducing production cycle duration.
- Versatile for a wide range of products, minimizing the need for multiple specialized machines.
- Vacuum and pressure capability ensures precise control, maximizing product quality and consistency.
- Constructed with corrosion-resistant materials, enhancing durability and longevity in harsh conditions.
- Seamless integration with CIP systems lowers maintenance time and operational costs.
- Applications
- Gluten,Fine chemicals,Chemical products,Nuts,Cocoa nibs,Coffee beans,Pharmaceutical products,Food products,Metal recycling,Chestnuts
- End products
- Chestnut puree,Fine chemical precursors,Gluten-free flour,Food additives,Active pharmaceutical ingredients (apis),Chocolate liquor,Nut butter,Roasted coffee beans,Metal powders for recycling
- Steps before
- Grinding,Drying,Purification
- Steps after
- Sterilization,Packing,Extraction
- Input ingredients
- coffee beans,cocoa nibs,gluten,chestnuts,nuts,natural products,process liquid
- Output ingredients
- cooked products,sterilized products,processed natural products
- Market info
- Heinkel (Bolz Summix) specializes in engineered-to-order industrial equipment, offering expertise in solid-liquid separation and mixing technologies, with a strong reputation for high-quality centrifuges, mixers, and dryers tailored to various industry needs.
- Operating temperature (Orbital system)
- 160°C
- Operating temperature (Central shaft)
- 240°C
- Operating pressure
- -1 bar to +6 bar
- Explosion shock proof design
- 10 bar ESP
- Material
- Stainless steel (AISI 304,AISI 316L,AISI 316,AISI 904L,Hastelloy C22)
- Surface finish (Product contact)
- Fine polish / electro-polish
- Surface finish (Externals)
- Sanitary polish / glass blast bead
- Rotary shaft seals
- Single- or multiple lip seal assembly,gas-purged or liquid quench,non-contact lift-off mechanical seals
- Pressure Equipment Directive (PED)
- European with AD-2000 calculation
- Regulations and Standards
- ASME,ASME Code VIII,GB150,SELO,SVDB,CODAP,JIS,GOST,GMP,cGMP,FDA,REACH,ATEX,NEC,CEC,IEC,TA Luft (air quality control)
- Sampling valves
- With containment
- Valves
- Filling and discharge valves
- Nozzles
- WIP / CIP / SIP nozzles
- Filter
- With reverse jet cleaning
- Jacket type
- Heating jacket / insulating jacket
- Working mechanism
- Conical screw design with rotating mixing screw
- Integrated steps
- Mixing,stirring,cooking,sterilizing
- Batch vs. inline operation
- Batch
- Heat treatment process
- Direct steam injection and heated jacket
- Vacuum and pressure capabilities
- Vacuum and pressure rated
- Cleaning method
- CIP (Clean-In-Place)
- Total drain
- Short time for both solid and liquid drain
- Cleanability
- Yes
- Corrosive resistance (e.g. acids)
- High,with materials such as Stainless Steel AISI 316L and Hastelloy C22
- Biological compatibility
- Suitable for food products
- Abrasion resistance
- Good,based on stainless steel construction
- Density/particle size
- Suitable for a range of densities and particle sizes,such as coffee beans and cocoa nibs
- European PED Pressure Equipment Directive
- AD-2000 calculation
- ASME
- ASME Code VIII
- Machine footprint
- Varies based on series DF 050 - DF 600
- Tank shape
- Conical
- Feed/discharge method
- Total drain of solid and liquid in a short time
- Control panel type
- PLC/HMI Integration
- Discharge method
- Total drain of solid and liquid
- Rotary shaft seals
- Single or multiple lip seal assembly
- Rotary shaft seals
- Dry,gas-purged or liquid quench
- Heating jacket
- Steam or electrical heating options
- Surface finish
- Fine polish / electro-polish
- Surface finish
- Sanitary polish / glass blast bead
- Material choice
- Stainless steel (AISI 304,AISI 316L,AISI 316,AISI 904L,Hastelloy C22)