Source Double Cone Vacuum Powder Dryer for Pharma, Food, Chemical
Find 30 double cone vacuum powder dryer models with capacities from 2000L to 1500L. Compare specifications including SUS316L construction, 5.5kw motor power, and ISO9001-2008 certification to identify suitable continuous or intermittent drying solutions for bulk materials; compare the available evidence and request quotations based on your requirements.
Key considerations
Products List
Comprehensive Sourcing Guide
Double Cone Vacuum Powder Dryer Sourcing Guide
Procuring a double cone vacuum powder dryer requires a nuanced understanding of how continuous and intermittent drying modes impact material integrity. Buyers must distinguish between fixed and combined movement ways, as these mechanical configurations directly influence the uniformity of heat transfer and the final moisture content of the product. The choice between transmission heating and other modes determines the thermal efficiency, particularly when processing sensitive materials that degrade under high temperatures. Understanding these operational distinctions is critical for aligning equipment capabilities with specific production throughput requirements.
The physical properties of the material being processed, such as cream, solution, or bulk powder states, dictate the necessary volume and loading capacity of the dryer. Suppliers often list models with varying loading quantities, ranging from small batches to large industrial volumes, which must be matched to the facility’s daily output needs. Additionally, the availability of customization options allows buyers to tailor the equipment to unique chemical compositions or regulatory constraints, ensuring that the final product meets strict quality standards without compromising the structural integrity of the drying vessel.
Product Scope and Observed Listing Signals
Market listings for double cone vacuum powder dryers reveal a wide spectrum of specifications, including voltage ratings, power consumption, and total weight. Observed data indicates that units may operate on standard 220V systems with motor powers ranging from 4kw to 11kw, reflecting the diverse energy demands of different drying cycles. The weight of the equipment, often cited around 800kg to 2500kg, provides insight into the robustness of the construction and the stability required for continuous operation, which is essential for maintaining consistent drying performance over long periods.
Listing signals also highlight the variety of materials used in construction, such as SUS304, SUS316L, and titanium, which are crucial for corrosion resistance and hygiene in pharmaceutical or food-grade applications. Buyers should note that while some listings specify a single material status, others accommodate multiple states like cream, solution, and powder, indicating versatile design capabilities. The presence of core components like motors and the inclusion of ISO9001-2008 certification in some listings serve as baseline indicators of manufacturing quality, though buyers must verify these claims against current standards.
Technical Specifications to Verify
Verifying the drying medium is a critical step, as options include air, superheated steam, and inactive gases, each offering different thermal properties and safety profiles. Buyers must confirm whether the system supports parallel, contra-flow, or cross-flow configurations, as these flow dynamics significantly affect drying efficiency and energy consumption. The operational method, whether continuous or intermittent, must align with the production schedule, ensuring that the equipment can handle the required batch sizes without causing bottlenecks or excessive downtime between cycles.
The volume and loading capacity of the dryer, often specified in liters and kilograms, must be carefully matched to the density and volume of the raw material. For instance, a 1000L or 1500L capacity may be suitable for medium-scale operations, while larger volumes up to 2500L are needed for high-throughput environments. Additionally, the atomization method, such as rotary atomization, and the operational pressure, typically vacuum, must be verified to ensure they meet the specific requirements of the material being dried, preventing issues like caking or uneven moisture distribution.
Compliance and Safety Documentation
Ensuring that the equipment meets relevant safety and quality standards is paramount, especially when dealing with volatile or sensitive materials. Buyers should request documentation confirming compliance with ISO9001-2008 or its updated equivalents, as this certification indicates a structured approach to quality management in the manufacturing process. While some listings mention CE certification, buyers must verify the validity and scope of such certifications to ensure they align with local regulatory requirements and international safety norms.
Safety features related to vacuum operation and pressure containment must be thoroughly reviewed, as improper sealing or pressure relief can lead to hazardous conditions. Documentation should include detailed schematics of the heating mode, whether transmission or otherwise, and the materials used in contact with the product, such as SUS316L for high-purity applications. Buyers should also inquire about the testing procedures used to validate the equipment’s performance, ensuring that the dryer can maintain stable vacuum levels and consistent temperatures throughout the drying cycle.
Cost Drivers and Commercial Terms
The cost of a double cone vacuum powder dryer is influenced by several factors, including the material of construction, motor power, and the complexity of the drying system. Units constructed from high-grade stainless steel or titanium, such as SUS316L, typically command higher prices due to their superior corrosion resistance and durability. Additionally, the inclusion of advanced features like rotary atomization or specific flow configurations can increase the initial investment, but may offer long-term savings through improved efficiency and reduced maintenance costs.
Commercial terms, such as packaging and shipping, also play a significant role in the total cost of ownership. Listings often specify wooden case or container packaging, which is essential for protecting the equipment during transit from China to international destinations. Buyers should clarify whether these packaging costs are included in the quoted price and inquire about the lead times for production and delivery, as these factors can impact project timelines and budget planning.
Supplier Qualification and Quality Control
Evaluating supplier qualifications is essential to ensure that the equipment meets the required technical and quality standards. Buyers should verify the supplier’s manufacturing capabilities, including their experience with double cone vacuum dryers and their ability to provide customization options. The presence of ISO9001-2008 certification in supplier listings is a positive indicator, but buyers should also request evidence of recent quality audits and customer references to assess the supplier’s reliability and consistency in delivering high-quality equipment.
Quality control processes should be transparent and well-documented, covering all stages from material procurement to final assembly and testing. Buyers should inquire about the inspection procedures used to verify the integrity of the vacuum seals, the performance of the motor, and the uniformity of the drying process. Additionally, suppliers should provide detailed manuals and training materials to ensure that the equipment is operated and maintained correctly, minimizing the risk of operational failures and extending the lifespan of the dryer.
Long-Term Procurement Checks
Long-term procurement success depends on the availability of spare parts and the supplier’s commitment to after-sales support. Buyers should confirm the lead times for replacing critical components like motors and seals, as downtime can significantly impact production efficiency. Suppliers with a robust network of service providers or in-house technical support teams are preferable, as they can offer timely assistance and troubleshooting guidance to resolve any issues that may arise during operation.
Regular maintenance and performance monitoring are also crucial for sustaining the efficiency of the double cone vacuum powder dryer. Buyers should establish a preventive maintenance schedule that includes routine inspections of the vacuum system, heating elements, and structural integrity of the cone. By maintaining detailed records of operational parameters and maintenance activities, buyers can identify potential issues early and optimize the drying process, ensuring consistent product quality and operational reliability over the long term.
FAQs
What materials can a double cone vacuum powder dryer handle?
This dryer handles powder, cream, solution, and bulk materials, making it suitable for pharmaceutical, chemical, and food powders that require low-temperature drying under vacuum. Wet cakes, slurries, and solvent-laden products can also be processed depending on the model configuration. Material contact parts are available in SUS304, SUS316L, titanium, and other grades, so wetted surfaces can be matched to product corrosivity and hygiene requirements.
Which stainless steel grades are offered for contact parts?
Contact parts are offered in SUS304, SUS304L, SUS316, SUS316L, titanium, and other materials on request. SUS316L is commonly chosen for corrosive or pharmaceutical applications because of its corrosion resistance and ease of polishing. When selecting a grade, consider the solvent or acid content of your product, required surface finish, and cleaning method, since these factors determine which stainless steel option provides the best service life.
How large are the available vessel volumes and loading capacities?
Available models span volumes from roughly 350L up to 2000L, with some configurations reaching 1000L, 1500L, and larger sizes. Maximum loading quantities range from about 500kg to 800kg, and loading volumes can extend from 50L to 2500L across the product range. Rotary dimensions vary between 1750mm and 4200mm. Choose a vessel size based on batch weight and the recommended fill ratio, which is typically well below full volume.
What is the working principle of this vacuum dryer?
The double cone vessel rotates so material tumbles continuously while heat is transmitted through the jacketed shell. Under vacuum, the boiling point of moisture or solvent drops sharply, so drying occurs at low temperature without exposing heat-sensitive powders to hot air. This transmission heating with vacuum operation suits oxidation-sensitive products and solvent recovery. The machine runs as a batch, intermittent process rather than a continuous line.
Can the equipment be customized for specific production needs?
Yes, customization is available. Buyers can specify material grades such as SUS304 or SUS316L, vessel volume, motor power, voltage, and loading capacity to match their process. Options may also cover drying medium selection, since models work with superheated steam, air, or inert gas, and configurations exist for different flow patterns. Discuss your product characteristics, solvent type, and required batch size with suppliers to define the right configuration.
What are the power and weight characteristics of typical models?
Typical configurations include motor power of 4kw to 5.5kw and total power around 11kw, with 220V voltage options listed. Total machine weights range from about 800kg for smaller units to 2000kg and 2500kg for larger vessels such as 1000L and 2000L models. These figures matter for foundation design, workshop floor loading, and utility planning, so confirm the exact weight and electrical data sheet for the specific model you select.
How is the equipment packed and shipped after purchase?
Units are shipped in wooden case or wooden container packaging suitable for export transport. The equipment originates from China, so buyers should plan for sea freight, customs clearance, and inland delivery as part of the procurement schedule. Because total weights can reach 2500kg, confirm lifting arrangements and forklift or crane capacity at the receiving site. Verify packaging dimensions such as 3400x1600x3300mm for larger models when booking transport.
Which drying media can be used with these vacuum dryers?
Depending on the model, the drying medium can be superheated steam alone, superheated steam with air, superheated steam with inert gas, or air with superheated steam and inert gas combinations. Inert gas operation is preferred when drying solvent-wet or explosion-sensitive powders because it eliminates oxygen from the drying environment. Flow patterns also vary, including parallel flow, contra-flow, and cross flow, so match the medium and flow to your product's thermal and safety sensitivity.





























