What are the possible reasons for slow vacuuming in a vacuum dryer?

Poor sealing, vacuum pump malfunction, or a leak in the system.

What causes excessive noise during dryer operation?

Check for worn bearings, unbalanced fan blades, or loose mounting bolts.

What to do if the heating system fails to heat up?

Check for damaged heating elements, a faulty thermostat, or electrical connection problems.

How to prevent dust explosions during the drying process?

Control oxygen concentration, install explosion-proof devices, and ensure proper grounding and static electricity elimination measures.

How to optimize high dryer energy consumption?

Use a waste heat recovery system, optimize the drying curve, or upgrade to high-efficiency insulation materials.

Durable China Automatic Spray Dryer for Compound Fertilizer Drying

Name: Durable China Automatic Spray Dryer for Compound Fertilizer Drying
Brand: Qingdao Zhongwanfang Energy Tech Co., Ltd.
SKU: 2157597832

Shandong, ChinaQingdao Zhongwanfang Energy Tech Co., Ltd.

US$10,000.00-5,000,000.00

1 Piece

Product profile

Customization

Available

Type

Drying Oven

Application

Slurry

Model NO.

Paddle Dryer

Fuel

Gas

Operating Pressure

Atmospheric

Roller Number

Single Drum

Cloth Membrane Forms

Top Feed

Fluid Bed Drying Equipment Type

Monolayer Fluid Bed

Vacuum Drying Equipment Type

Vacuum Disc

Condition

New

Product Name

Paddle Dryer

Keywords

Spray Dryer

OEM & ODM Custom

Logo Custom

Thermal Efficiency

Paddle: 80-90% / Spray: 50-70%

Evaporation Capacity

Paddle: 8-12kg/M²·H Intensity/Spray: 5-5,000kg/H

Final Moisture Content

Paddle: 0.5-15% / Spray: 0.5-5%

Energy Consumption

Paddle: 2, 800-3, 500 Kj / Spray: 4, 000-5, 500 Kj

Certification

ATEX / GMP

Transport Package

Wooden Box

Specification

Standard Specifications or Customized

Trademark

ZHONGWANFANG

Origin

Shandong, China

HS Code

8419399090

Production Capacity

50000pieces/Year

Key features

High Thermal Efficiency: Paddle dryer achieves 80-90% thermal efficiency, saving over 40% energy compared to traditional dryers.

Handles High Viscosity: Processes materials up to 500,000 cP viscosity with self-cleaning wedge blade design and precision gap control.

Scalable Evaporation: Spray dryer offers scalable capacity from 5 to 5,000 kg/h with precise particle size control.

ATEX & GMP Certified: Explosion-proof design with nitrogen protection for solvents; GMP-certified for pharmaceutical applications.

Multi-Mode Atomization: Offers centrifugal, pressure nozzle, and air-assisted atomization to match specific material characteristics.

Complete Customization: Accepts OEM/ODM, logo customization, and flexible customization from samples or designs.

Continuous Operation: Designed for true 24/7 continuous operation with minimal maintenance and high throughput.

Company profile

Importers and ExportersCooperated with Fortune 500High Repeat Buyers ChoiceManagement Certification

Qingdao Zhongwanfang Energy Tech Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.56h

AI-Powered supplier vetting

SummaryQingdao Zhongwanfang Energy Tech Co., Ltd. is a China-based limited company established in 2016 with 53 employees, operating in Shandong. Its stated businesses cover electric power towers and related steel structures, mechanical equipment, and environmental-treatment equipment for sludge and sewage, pharmaceutical, food, and chemical industries. The company reports ISO 9001:2015 and ISO 14001:2015 certification, customized professional solutions, laboratories for raw-material and welding inspection, CNC processing equipment, and annual production capacity of 30,000 tons. Audit information identifies CTI, with a report period from March 12, 2025 to March 11, 2026, but the meaning of the coded audit result is not provided. R&D, ODM/OEM, SDK, overseas service, traceability, after-sales, financial, and customer-case evidence is insufficient for positive assessment.

Supplier typeThe supplier is a China-based limited company established in 2016, with 53 employees and a combined business classification. Its stated offerings span electric power towers, steel structures, mechanical equipment, and environmental-treatment equipment, indicating a manufacturer with multiple industrial product lines.

CertificationsThe supplier explicitly reports ISO 9001:2015 and ISO 14001:2015 certificates. These certifications support documented quality-management and environmental-management credentials, although certificate scope and validity details are not provided.

R&D capabilityThe company states that it conducts research and innovation in environmental-governance technologies, processes, and equipment, and describes its mechanical-equipment business as integrating R&D, manufacturing, and sales. However, new-product status, R&D documentation, ODM, SDK, private-mold, and 3D-design capabilities are all unknown, limiting verification of the broader innovation offering.

Production capacityThe supplier lists production of transmission towers, steel poles and towers, substation frames, communication towers, steel structures, bridges, photovoltaic brackets, and mechanical equipment. It reports CNC flame/plasma cutting, CNC flat drilling, physical and chemical laboratories, welding inspection equipment, and annual capacity of 30,000 tons, providing explicit evidence of substantial manufacturing capability.

Customization capabilityThe company explicitly states that it tailors professional solutions and designs and manufactures corresponding equipment according to customer needs. Its broad product range and stated R&D, manufacturing, laboratory, and inspection resources support customization, although specific customization methods or project examples are not provided.

Product Q&A

Q:What are the main types of dryers available?

We offer spray dryers, vacuum dryers, fluidized bed dryers, freeze dryers, and drum dryers.

Q:What materials are the dryers suitable for?

They are suitable for powders, granules, slurries, and pastes. The specific model should be selected based on material characteristics like heat sensitivity and moisture content.

Q:What if the moisture content of the dried product is not up to standard?

Check if the inlet air temperature, air velocity, material layer thickness, or drying time is reasonable. Adjust the parameters or clean the filter.

Q:How to prevent material from clumping or sticking to the wall?

Optimize the feed rate, adjust the stirring frequency, or spray an anti-stick coating on the inner wall.

Q:How to deal with nozzle blockage in a spray dryer?

After stopping the machine, disassemble and clean it. Check the material for large particles or impurities, or add a pre-treatment filtration step.