Bluepurell - Leading Screw Press Sludge Dewatering Machine Manufacturer

About Bluepurell

Jiangsu Bluepurell Environmental Protection Technology Co., Ltd. stands as a domestic pioneer in manufacturing environmental equipment and components dedicated to sludge and wastewater treatment. With years of engineering expertise, we focus on solid-liquid separation technologies that deliver efficiency, durability, and sustainability.

Our mission is to provide one-stop professional services for industrial and municipal wastewater treatment, helping clients reduce operational costs, minimize environmental impact, and comply with regulatory standards.

10+ Years Experience

In sludge dewatering & separation

Global Reach

Serving clients worldwide

Our Products

High-performance wastewater treatment equipment engineered for reliability, efficiency, and long-term operation in demanding industrial environments.

Screw Press Sludge Dewatering

High-efficiency dewatering system for municipal and industrial sludge with low energy consumption and minimal maintenance.

Continuous operation
Low noise & vibration
SS304/SS316 construction

AGSP Screw Press

Advanced Gravity Screw Press designed for high-capacity sludge dewatering with automatic control systems.

Fully automated operation
PLC control panel
Compact footprint

Dissolved Air Flotation (DAF)

Efficient removal of suspended solids, oils, and fats from industrial wastewater using micro-bubble flotation.

High removal efficiency
Modular design
Low chemical usage

Shaftless Screw Conveyor

Ideal for transporting sludge, screenings, and other viscous materials without clogging or jamming.

No central shaft = higher capacity
Corrosion-resistant materials
Sealed design

PE Polymer Dosing Equipment

Precise polymer preparation and dosing system for optimal flocculation in dewatering processes.

Automatic mixing control
Variable dosing rates
Low maintenance design

SS304 Polymer Dosing Equipment

Stainless steel polymer preparation system with enhanced durability and hygiene standards.

Full SS304 construction
CIP cleaning function
Digital monitoring

Rotary Drum Filter Screen

Automated self-cleaning screen for primary filtration of wastewater with high solids loading.

Continuous self-cleaning
Low water consumption
Compact and modular

Solid-Liquid Separator

Versatile separation system for a wide range of industrial applications including food, chemical, and pharmaceutical.

High separation efficiency
Easy maintenance
Customizable configurations

View All Products

Project Applications

Real-world implementations of Bluepurell systems across diverse industries

Wastewater Treatment Plant

Municipal sludge dewatering with AGSP series for efficient cake discharge and odor control.

Painting Sludge Dewatering

Suitcase factory paint sludge processed using screw press for safe disposal.

Dairy Sludge Treatment

High-fat dairy waste separated using DAF and dewatered with screw press.

Pig Manure Processing

Large-scale livestock waste treated with solid-liquid separator for fertilizer production.

Battery Production Wastewater

Heavy metal-laden effluent treated with chemical dosing and filtration systems.

Garbage Leachate

High-strength organic leachate treated with multi-stage dewatering and flotation.

Our Videos

See our equipment in action – from manufacturing to on-site operation

New Machine Testing Operation

Multi-disk Screw Press Model: DW-131

March 28, 2025

Workshop Video

Inside our manufacturing facility and quality control process

December 18, 2023

Components Process Video

Precision machining of screw press components

December 18, 2023

Watch More Videos

Frequently Asked Questions

Everything you need to know about our wastewater treatment solutions

What is the advantage of a screw press over a belt press?

Screw presses require less space, have lower maintenance needs, consume less energy, and produce drier cake compared to belt presses. They are also fully enclosed, reducing odor and safety risks.

Can your equipment handle high-viscosity sludge?

Yes, our AGSP and multi-disk screw presses are specifically designed for high-viscosity and fibrous sludge commonly found in food processing, chemical, and pharmaceutical industries.

Do you provide installation and training?

Yes, Bluepurell offers comprehensive on-site installation supervision, commissioning, and operator training to ensure smooth startup and optimal performance.

What materials are used in your machines?

We use high-grade SS304 and SS316 stainless steel for all wetted parts to ensure corrosion resistance and long service life in aggressive environments.

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Advanced Wastewater
Treatment Solutions