Belt Press
Optimised Sludge Dewatering with High-Performance Belt Press Technology
The Hydroflux Belt Press is a reliable and efficient solution for dewatering sludge in industrial wastewater treatment applications. Engineered for high throughput and optimal solids capture, it delivers consistent performance while minimising operational costs.
The system features robust stainless steel construction, automated controls, and adjustable belt tensioning. With low energy consumption, high processing capacity, and customisable configurations, Hydroflux Belt Presses can be the ideal choice for sustainable and cost-effective sludge management.
Key Features & Specifications
The Hydroflux Belt Press is ideal for sludge dewatering all types of sludge generated by, temporary infrastructure works, food and beverage processing, industrial manufacturing, pulp and paper industries, and mining and mineral processing applications.
- Processing Capacity: Available in various sizes to handle sludge flow rates from 1 kL/hr to over 100 kL/hr, depending on sludge characteristics
- Dry Solids Content: Capable of achieving similar dry solids contents to other technologies depending on sludge type and polymer dosing
- Multi-Zone Filtration: Incorporates gravity drainage, wedge compression, and high-pressure roller zones for optimal dewatering
- Material Construction: Stainless steel (304 or 316) frame for corrosion resistance
- High-tensile woven filter belts for efficient solids capture and extended service life
- Belt Width Options: Available in multiple widths, typically ranging from 500 mm to 3000 mm to match specific throughput requirements
- Automated Control System:
- Belt tracking & tensioning for reliable operation
- Adjustable pressure settings to optimise performance for different sludge types
- Integrated wash water system with spray nozzles to maintain belt cleanliness
- Polymer Injection System: Ensures efficient flocculation and enhanced sludge dewatering
- Energy Efficiency: Operates at low power consumption, reducing operational costs
- Compact Footprint: Designed to minimize space requirements while maximising throughput
Capacities and Models
The Hydroflux Belt Press is available with belt widths ranging from 500mm to 3000mm. The capacity of a belt press is based on a combination of hydraulic and solids loads. Please contact us for more information.
| Model Number | Max Hydraulic flow (m³/h)* | Max solids load (kg/h) |
| HY-PRESS® 500 | 1-4 | 80-100 |
| HY-PRESS® 1000 | 4-8 | 160-200 |
| HY-PRESS® 1500 | 6-12 | 240-300 |
| HY-PRESS® 2000 | 8-16 | 320-400 |
| HY-PRESS® 2500 | 16-25 | 400-500 |
*typical capacities, consult Hydroflux Industrial for specific data
Belt Press FAQs
A belt press typically requires significantly more wash water than other dewatering technologies, such as a screw press. Wash water is primarily used for continuous belt cleaning to prevent clogging and maintain efficient dewatering performance.
The exact amount of wash water needed depends on factors such as belt width, sludge characteristics, and operating conditions. Generally, a belt press consumes 2 to 10 cubic meters per hour (m³/h) per meter of belt width, meaning a 1.5-meter-wide belt press may require 3 to 15 m³/h of wash water. If this water is returned to the head of the works, it can contribute substantial volumes to the trade waste flow, potentially impacting overall wastewater treatment capacity.
To mitigate high water usage, many installations incorporate recycled water systems, reducing freshwater demand and operating costs while maintaining effective cleaning and dewatering performance.
While belt presses are highly effective in some applications, belt presses require regular maintenance due to their mechanical complexity and continuous operation. One of the most critical aspects of maintenance is keeping the belts clean to prevent clogging, known as “blinding.” This requires a high volume of wash water and frequent monitoring to ensure proper belt function. Additionally, belt alignment and tensioning need to be adjusted regularly, as improper alignment can lead to uneven wear and reduced dewatering efficiency. The polymer dosing system also requires routine inspection to ensure consistent sludge flocculation, as blockages or incorrect dosing can negatively impact performance.
Other key maintenance tasks include lubricating and inspecting rollers and bearings, as they are subject to continuous movement and wear. If not properly maintained, worn rollers can cause belt damage, leading to costly replacements. Components such as doctor blades, filtrate trays, and drive systems must also be checked regularly to prevent unexpected failures. While belt presses are effective for sludge dewatering, particularly with high sludge volumes, their higher maintenance demands make them more labor-intensive compared to screw presses, which have fewer moving parts and lower operational requirements.
Design and Construction Capabilities
Hydroflux has the expertise and capability to deliver design-and-construct project and offers flexible contract options, ranging from equipment design and supply to full turnkey installations.
With a team of qualified civil, mechanical, chemical, and electrical engineers, as well as experienced project managers, site supervisors, commissioning engineers, and service technicians, Hydroflux ensures expert execution at every stage. Our offices across Australia provide a strong local presence, ensuring seamless project management from design through to installation. Additionally, Hydroflux offers post-installation routine service contracts to maintain system performance and longevity.
Sustainable Solutions
As Australia’s first certified carbon-neutral water and wastewater chemical supply and service business, we focus on sustainability. Developing and delivering sustainable solutions for treatment plant operation and maintenance is at the core of what we do. Our equipment is the most sustainable in the Australian and New Zealand market and is also carbon-neutral. Click here to find out what this means for you.
