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Electric Heat Pump Closed Loop Sludge Drying Machine Water Cooled Closed Structure System for Eco Drying

Heat Pump Closed Belt-Type Sludge Dryer

Using a heat pump system, humid air from the drying cabinet is cooled and dehumidified through the evaporator, and then reheated by the condenser into dry&hot air. This air is sent into the dryer,and the process repeats continuously.The moisture in the sludge is drained as condensate into the sewage tank.

Electric-Powered, Highly Adaptable
Fully electric-driven, suitable for a wide range of industrial sludge treatment scenes.

Continuous Operation, High-Volume Processing
Supports round-the-clock, uninterrupted operation, easily handling high-volume sludge processing needs.

Low-Temperature Technology, Safe And Clean
Operating under low-temperature conditions, without high-temperature risks; the closed structure meets both discharge reduction and ecological needs.

Intelligent Control For Worry-Free Mass Production
Equipped with an automated control system, it operates stably and is suitable for large-scale mass production.
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  • TENESUN

Core Product Advantage

This advanced heat pump closed loop sludge dryer delivers up to 70% energy savings by recovering latent heat. Its closed-loop design ensures zero odor and zero emissions, making it ideal for eco-friendly industrial use. The water-cooled system ensures stable operation even in extreme temperatures, providing consistent performance and a high reduction in sludge volume without environmental impact.

Practical Function Design

Operating at low temperatures (40-60°C), this machine removes moisture through a continuous evaporation and condensation cycle. It safely processes wet sludge (60-85% moisture) into a dry product (10-50% moisture) while preventing dust explosions. The integrated PLC control allows for fully automated, precise management, significantly reducing disposal costs and simplifying waste handling.

Material And Specification Details

Built with SUS304 or SUS316L stainless steel, the drying chamber and multi-layer belt offer superior corrosion resistance. The system includes high-efficiency compressors and heat exchangers optimized for heavy-duty industrial loads. It requires a standard cooling tower connection for the water-cooled condenser. Available in various capacities with customizable layouts to fit your site.

Application Scenarios

Highly versatile for municipal sewage, electroplating, chemical, and food waste treatment. Its compact, odor-free design is perfect for space-constrained factories or sites near residential areas. Ideal for B2B importers, environmental project contractors, and brand owners seeking reliable, high-performance sludge dewatering solutions for complex industrial waste management requirements.

Packaging And Supply Support

We offer full OEM/ODM customization, covering technical specs and branding. Machines are packed in reinforced wooden crates for safe global transit. Our support includes comprehensive installation manuals, technical videos, and remote guidance. We ensure a steady supply of spare parts and rapid technical response to maintain your production efficiency and long-term equipment stability.

FAQ

Q1: What is the working temperature of the sludge dryer?

A1: The equipment runs at a low temperature of 40-60°C. Low-temperature drying avoids material deterioration, dust explosion risks and harmful gas generation, ensuring safe and environmentally friendly sludge treatment.

Q2: What kind of sludge moisture can this machine handle?

A2: It is suitable for wet sludge with 60%-85% initial moisture content. After continuous drying treatment, the sludge moisture can be stably reduced to 10%-50% to meet different disposal and resource reuse standards.

Q3: Is the closed-loop system really zero emission and odorless?

A3: Yes. The fully closed-loop circulating structure completely isolates internal gas from the outside environment. There is no exhaust gas discharge, no peculiar smell overflow, and no secondary pollution, which fully meets strict environmental protection inspection standards.

Q4: Can the equipment work stably in extreme weather?

A4: Equipped with a professional water-cooled cooling system, the heat pump dryer maintains stable operating efficiency and constant drying effect in high-temperature and extreme working environments, avoiding performance attenuation caused by temperature changes.

Q5: Is the equipment corrosion-resistant for long-term industrial use?

A5: The drying chamber and multi-layer conveyor belt are made of SUS304 or SUS316L stainless steel, which has excellent acid and alkali corrosion resistance. It adapts to long-term continuous operation in harsh industrial sewage and chemical waste environments.

Q6: Is the equipment fully automatic and easy to operate?

A6: Adopting integrated PLC intelligent control system, the whole process realizes automatic feeding, constant-temperature drying, circulating dehumidification and discharging. It supports precise parameter adjustment, effectively labor-saving and simplifies daily waste sludge management.

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