Faqs
What filtration performance can a bag filter provide?
The selection guide states that bag filters can achieve filtration efficiency of up to 99.99% under suitable conditions. Actual performance depends on the dust properties, filter media, air volume, temperature, filtration velocity, cleaning cycle, and maintenance condition. The required emission limit and test method should be confirmed before the system is finalized.
Can the equipment be used for food and pharmaceutical production?
The equipment range is used across food, pharmaceutical, chemical, mineral, and other industrial applications. For food or pharmaceutical projects, specify the required product grade, cleaning method, contact-material requirements, hygiene expectations, validation documents, and applicable local regulations. The final design and documentation package should be confirmed against the project's quality and compliance requirements.
How do you handle sticky or caking materials?
Stickiness and caking tendency must be identified during the initial process review because highly sticky materials can cause wall buildup, blockage, or poor flow. The selection guide specifically notes limitations for spray, flash, fluidized-bed, belt, and disc dryers with highly sticky materials. Provide a sample description, solids content, operating temperature, and caking behavior so the technical team can assess a suitable configuration or pretreatment.
Can the drying process control final particle size and product shape?
Product-quality requirements such as particle size, particle shape, color, and solubility should be defined before equipment selection. Spray drying is commonly considered when uniform spherical particles are required. Other dryer types may be more appropriate when preserving flakes, granules, crystals, or an existing particle structure is the priority. Final performance depends on the material and operating parameters.
Do you provide material testing before equipment purchase?
Material testing is recommended whenever the drying behavior or final product quality is uncertain. Testing can help evaluate moisture reduction, temperature sensitivity, particle characteristics, yield, and the suitability of a proposed process. Send the material description and test objectives first so the technical team can advise on the appropriate trial requirements.
Factory address: No. 3-6, Caijiatou Road, Zhenglu Town, Tianning District, Changzhou, Jiangsu, China
Post Code: 213000
Contact person: Jay Song
Contact number: (+86) 16621010006
What heat sources can be used with the drying system?
The available heat source is part of the equipment-selection review. The selection guide identifies steam, thermal oil, natural gas, electricity, and coal as possible site heat sources. Please specify the available source, pressure or temperature conditions where applicable, local fuel requirements, and any emissions limits so the process and heating system can be evaluated together.
Should I choose continuous or batch operation?
Continuous equipment is generally considered for stable, large-volume production and consistent feed conditions. Batch equipment can be more suitable for smaller volumes, multiple products, irregular production, or applications requiring flexible changeover and close batch control. The decision should also consider cleaning, labor, automation, residence time, and future capacity expansion.
How is equipment capacity determined?
Capacity is determined from the required final-product throughput together with feed moisture, target final moisture, material properties, operating hours, drying temperature, residence time, and the available heat source. Please state capacity in kg/hour or tonnes/day and clarify whether the figure refers to wet feed or final dry product.
What moisture range can your dryers process?
The appropriate range depends on the dryer and the material. The selection guide lists typical feed-moisture ranges of 40–90% for spray dryers, 15–85% for flash dryers, 5–20% for fluidized-bed dryers, 10–60% for belt dryers, and 10–50% for disc dryers. These are general selection references, not guaranteed results for every material. Final sizing should use actual laboratory or pilot-test data.
Can you design a drying system for heat-sensitive materials?
Yes. Heat sensitivity is one of the key process inputs used for equipment selection and temperature-profile design. Spray drying can use evaporative cooling and a short residence time, while flash drying can offer an ultra-short drying cycle. The suitable configuration must be confirmed from the material's allowable temperature, moisture targets, residence-time requirement, and trial results.
