Big bowl Sewage Treatment Decanter Centrifuge to European Client

The GNLW654 is a large-bowl decanter centrifuge designed for demanding wastewater treatment applications, including industrial wastewater, municipal sewage, and tailings management across multiple industries. Featuring a 650mm-diameter bowl constructed from SS2205 duplex stainless steel, it offers superior corrosion resistance and structural integrity, ensuring reliable performance in harsh operating environments.

A standout feature of the GNLW654 is its screw propeller, which is reinforced with wear-resistant alloy plates. This design minimizes abrasion and significantly extends service life, reducing maintenance demands and ensuring stable long-term operation.

For process control, the centrifuge incorporates GN Solids Control’s proprietary PLC intelligent system. This advanced control platform supports full automation, providing real-time monitoring of performance data. Operators can continuously track parameters and respond quickly to feed variations, improving efficiency and operational stability.

To further enhance dewatering results, the GNLW654 is often paired with the GNSJY6000 three-tank automatic dosing unit. This accessory automates the preparation, mixing, and delivery of chemical reagents, ensuring precise dosing to maximize solids-liquid separation. When integrated, the centrifuge and dosing system form a streamlined, fully automated treatment process that delivers consistent results while reducing manual intervention.

In wastewater and sewage treatment, decanter centrifuges combined with dosing systems are widely adopted for improving fine solids removal—an essential step in meeting stringent discharge requirements.

Beyond the GNLW654, GN Solids Control provides a complete product line of decanter centrifuges to meet varied project needs. Options range from compact 9-inch units for laboratory and small-scale operations, to medium sizes of 14 and 18 inches, and large-bowl models up to 22, 26, and 30 inches. These centrifuges are applied not only in the oil and gas sector but also across non-oil industries, offering versatile, high-performance solutions for diverse solid-liquid separation challenges.

Centrifugal pump and drilling mud agitator for workover rigs

GN Solids Control possesses a unique ability to design and manufacture complete mud systems customized for a variety of applications, such as demanding workover rigs, high-pressure deep drilling rigs, and continuously developing rigs. These systems are engineered to integrate seamlessly and perform optimally in both tough onshore and offshore settings.

GN recently finished producing and shipped a large batch of high-quality drilling mud agitators and sturdy centrifugal pumps, which are specifically heading to overseas workover rigs. This recent delivery highlights GN’s ability to satisfy global demand with reliable, high-performance equipment, enhancing their status as a trusted partner in the drilling industry.​

GN Solids Control is a leading manufacturer that provides a wide range of equipment for drilling mud solids control and advanced drilling cuttings treatment. Committed to innovation and efficiency, GN offers robust solutions aimed at optimizing drilling operations around the world, meeting both onshore and offshore requirements. Their extensive product range ensures that clients can achieve excellent fluid management, from the initial solids separation to environmentally responsible waste handling.​

At the heart of their offerings is a full range of drilling mud solids control equipment. This includes high-performance shale shakers for primary solids removal, efficient mud cleaners that combine hydrocyclones and fine shakers for secondary separation, and versatile decanter centrifuges capable of fine particle separation and barite recovery. Essential supporting parts like powerful pumps for fluid transfer, reliable agitators to keep mud consistent in tanks, integrated mixing units for precise chemical additions, strong hoppers for material feeding, and effective mud guns for tank cleaning are all part of GN’s comprehensive product lineup. These parts work together to maintain the integrity and properties of drilling fluids, greatly reducing operational costs and improving drilling efficiency.​

In addition to solids control, GN Solids Control excels in drilling cuttings treatment equipment, which is crucial for environmental compliance and waste reduction. Their advanced solutions include vertical cuttings dryers (VCDs) that recover valuable drilling fluids from oil-based cuttings, and high G drying shakers for processing water-based cuttings. Efficient screw conveyors aid in material transport within the system, while specialized dewatering units further treat liquids for reuse or safe discharge. This integrated method allows GN to provide complete closed-loop systems and zero-discharge systems, helping operators reduce their environmental impact and adhere to strict regulations worldwide.​

GN Solids Control Unveils New Professional Workshop for Material Separation Testing

GN Solids Control is excited to officially declare the completion of its new, professional workshop dedicated to material separation testing. This substantial investment is a clear indication of GN Solids Control’s unwavering dedication to presenting top – notch service, innovative solutions, and all – round client support. The workshop is crafted to be a vibrant center where clients can directly interact with GN’s advanced separation technologies and personally verify their performance.​

This new – built facility enables strict and accurate testing across a wide range of applications. Clients can communicate with GN’s sales engineers and send their specific materials to GN Solids Control. This allows our experts to conduct detailed tests and vividly demonstrate the optimal separation performance.​

Whether it is assessing a sturdy mud separation system, fine – tuning a multi – functional decanter centrifuge, or displaying the complex capabilities of a specialized 3 – phase centrifuge, the workshop offers a controlled environment for precise evaluation. Necessary supporting equipment, such as various pumps essential for material transfer and system integration, is also available for comprehensive system testing.​

Beyond validating individual equipment, the workshop is uniquely set up to simulate full – scale operational scenarios for intricate treatment challenges. This involves demonstrating the effectiveness of complete oily sludge separation systems, optimizing wastewater treatment systems, and validating the efficiency of advanced dewatering systems. This hands – on approach enables GN engineers to fine – tune processes, ensuring that the final solution is precisely customized to meet the client’s specific requirements, from the initial stage of solids removal to the final step of liquid clarification.​
An essential feature of this professional workshop is its interactive nature.​

Clients have the option to observe the testing of their materials when necessary and participate in comprehensive operational training sessions. GN Solids Control’s experienced engineers will conduct in – depth demonstrations, providing valuable insights into the subtleties of each piece of equipment and system. This direct engagement ensures that clients thoroughly understand their chosen solutions, from the basic principles of pumps to the complex operations of a 3 – phase centrifuge, preparing them for successful deployment and operation in their own facilities.​

Furthermore, the workshop serves as a crucial center for pre – delivery performance verification for certain special projects. This new professional workshop further strengthens GN Solids Control’s position as a leader in providing outstanding material separation solutions. By offering unrivaled testing capabilities, practical training, and strict performance validation, GN Solids Control empowers its clients with confidence and optimized operational efficiency to meet all their mud separation, dewatering, and specialized treatment needs.

2 Sets GNOST-15 Oil Sludge Treatment System for Asia Customer

GN Solids Control has successfully completed an oil sludge treatment unit with a processing capacity of 15m³/h. This comprehensive system is designed to effectively handle and separate oil sludge, providing a reliable solution for industries dealing with waste oil, such as oil and gas or petrochemical operations.

Key Features of GN Solids Control Oil Sludge Treatment System:
Coarse Separation Shale Shaker
The system includes a coarse separation shale shaker with a spray protection cover. This essential component removes large particles from the sludge, providing an initial pre-separation step before centrifugal separation. The shaker ensures that only appropriately sized materials enter the subsequent stages of the process, improving the efficiency and longevity of the entire treatment system.

Two-Phase Decanter Centrifuge
A two-phase decanter centrifuge is included in the system to separate solid and liquid phases. This centrifuge ensures efficient removal of solids from the oil sludge, enhancing the overall separation process. The high-efficiency centrifuge is designed to handle the complex demands of sludge treatment with minimal maintenance.

Three-Phase Decanter Centrifuge
In addition to the two-phase decanter, the system also features a three-phase decanter centrifuge. This advanced centrifuge separates oil, water, and solids in one step, making it ideal for treating oil sludge. The three-phase separation process ensures optimal recovery of oil, water, and solids, which can be handled or disposed of appropriately.

Containerized Chemical Dosing Unit
To enhance the separation process, the system includes a containerized chemical dosing unit. The dosing unit injects the appropriate chemicals into the sludge, aiding in the separation and improving the overall efficiency of the system.

Heated Mud Tanks and Steam Heater
The mud tanks in the system are equipped with internal heating pipelines to maintain optimal temperatures for treatment. A steam heater is used to heat the material to 70°C, which is the most active temperature for chemical treatment. This ensures that the chemicals work efficiently, maximizing the separation process and ensuring better results.

Conclusion
GN Solids Control’s 15m³/h oil sludge treatment unit offers a comprehensive solution for treating oil sludge with high efficiency. Through advanced equipment such as shale shakers, decanter centrifuges, chemical dosing units, and heating systems, this unit ensures optimal separation of oil, water, and solids, providing a reliable and effective solution for industrial waste management.

High-Frequency Mining Fine Vibrating Screens for Overseas Customer

GN Solids Control recently delivered 11 sets of high-frequency mining vibrating screens to an overseas customer. Manufactured by GN Solids Control, these advanced shale shakers are specifically designed to meet the rigorous requirements of fine particle separation in the mining industry, ensuring improved efficiency and performance in processing mineral materials.

Key Features and Benefits:
High-Frequency Vibration Technology
GN Solids Control’s high-frequency vibrating screens are engineered to deliver superior performance in separating fine particles. The high-frequency vibration helps to effectively screen fine materials, ensuring that even the smallest particles are properly separated.

Efficient Separation of Fine Materials
These screens are ideal for processing fine-sized particles in mining operations, such as separating ores and minerals that are difficult to screen with conventional equipment. Their high efficiency reduces the risk of clogged screens, ensuring a smooth and continuous operation.

Durability and Reliability
Built with high-quality materials, GN Solids Control’s vibrating screens are designed to withstand the demanding conditions of mining environments. Their robust construction ensures durability and longevity, even in high-impact, high-load conditions.

Customizable Configurations
The 11 sets of screens supplied to the overseas customer were tailored to meet their specific operational requirements. GN Solids Control offers a range of customizable options for mesh sizes, screen material, and vibration frequencies, ensuring optimal performance for each unique mining application.

Energy Efficient
The high-frequency design of these screens minimizes energy consumption while maintaining high separation efficiency. This makes them an eco-friendly choice for mining operations aiming to reduce their energy footprint.

Application in Mining Operations
These high-frequency fine vibrating screens, from GN Solids Control, are an excellent solution for a variety of mining applications, including mineral processing, ore beneficiation, and the recovery of fine particles. With these screens, the overseas customer can enhance their productivity by achieving higher separation efficiency and reducing the time and costs associated with fine material processing.

In conclusion, GN Solids Control’s high-frequency vibrating screens and shale shakers offer robust, efficient, and customizable solutions for fine particle separation in the mining industry. They provide reliable performance and superior results for customers worldwide, cementing GN Solids Control as a trusted brand in the mining sector.

5 Hydraulic Centrifuges GNLW364-FHD for Overseas Starch Processing Plants

The GNLW364-FHD model is specifically designed to meet the stringent requirements of starch processing plants, particularly for high-viscosity, high-concentration materials. This advanced hydraulic centrifuge offers cutting-edge technology and exceptional performance, ensuring efficient separation and compliance with food safety standards.

Key Features and Specifications
Food-Grade Polishing
The interior of both the drum and the scroll of the GNLW364-FHD centrifuge is polished to meet the highest food safety standards. This polishing ensures that the machine maintains cleanliness and hygiene during operation, which is crucial for industries like starch processing, where contamination risks must be minimized.

High-Viscosity Separation
The GNLW364-FHD is equipped with the internationally renowned Viscotherm hydraulic drive system (Swiss brand), which makes it ideal for separating high-viscosity, high-concentration starch materials. This system is specifically designed to handle the unique challenges presented by thick, viscous materials, ensuring that the centrifuge delivers reliable and efficient separation performance even in demanding conditions.

Viscotherm Hydraulic System Components
The hydraulic drive system integrates several high-performance components to ensure optimal operation:

Hydraulic Differential: Provides precise control over the centrifuge’s operation, adjusting the separation process for maximum efficiency.
Hydraulic Unit: Powers the system with consistent and reliable force, ensuring smooth operation under varying loads.
Air-Cooling System: Prevents overheating and ensures the hydraulic system operates within optimal temperature ranges, enhancing durability and performance.
The Swiss-made Viscotherm hydraulic system is designed to handle high-viscosity materials like starch, ensuring stable and effective separation throughout the centrifuge’s lifespan. The system’s advanced design helps optimize separation efficiency and reduces maintenance requirements.

Conclusion
The GNLW364-FHD hydraulic centrifuge is the ideal solution for overseas starch processing plants, offering a combination of food-grade polishing, high-viscosity separation capabilities, and a reliable Viscotherm hydraulic system. This centrifuge is engineered to meet the demanding needs of high-concentration materials, providing excellent performance and long-term reliability.

GN Solids Control’s 2-Phase and 3-Phase Decanter Centrifuges for Oil Sludge Separation

GN Solids Control manufactures both 2-phase and 3-phase decanter centrifuges, offering tailored solutions for a variety of separation needs. Recently, the company supplied its GNLWS554 3-phase centrifuge to a USA-based company for an oily sludge separation project. This centrifuge, designed for complex separation applications, plays a crucial role in efficiently handling and separating various phases of oil sludge to meet industry standards.

Oil Sludge Treatment Systems
In addition to the GNLWS554 3-phase centrifuge, GN Solids Control also provides complete oil sludge treatment systems with different capacities, including 5cbm, 10cbm, and 15cbm models. These systems are designed to handle a wide range of oil sludge volumes and separation requirements, providing effective solutions for the oil and gas, petrochemical, and environmental industries.

Key Equipment for Oil Sludge Separation
GN Solids Control’s oil sludge systems integrate several key pieces of equipment for comprehensive treatment:

Shale Shaker: A vital piece of equipment in the first stage of the separation process, the shale shaker is used for the initial removal of coarse solids from the sludge. It ensures that the material entering the centrifuge is properly conditioned for further processing.

2-Phase Decanter Centrifuge: The 2-phase centrifuge is ideal for separating solid particles from liquid phases in oil sludge, efficiently handling the solid-liquid separation required in many applications.

3-Phase Decanter Centrifuge: The GNLWS554 3-phase centrifuge is particularly suited for separating oil, water, and solids in a single step. Its advanced design and reliable performance make it an ideal solution for complex oil sludge treatment.

 

Dewatering Unit: A dewatering unit is integrated into the system to further process the separated solids, reducing their moisture content for easier disposal or further handling.

 

Customizable Solutions for Oil Sludge Projects
Each oil sludge treatment system is customized to meet the specific needs of the client, ensuring that the equipment and configuration are optimized for performance. GN Solids Control’s full-package systems deliver reliable, efficient, and scalable solutions to handle various oil sludge separation challenges, providing high-performance results across different capacities.

 

In summary, GN Solids Control’s comprehensive range of 2-phase and 3-phase centrifuges, combined with essential separation equipment, offers robust solutions for effective oily sludge management, whether for large or small-scale operations.

How to choose the right model desanding unit for TBM trenchless project

When selecting the right model of a desanding plant for trenchless project, it’s important to address key operational parameters and customer concerns to ensure optimal performance. A thorough analysis of the problem, along with understanding the specific operational requirements, will guide the solution.

One customer feedbach that the 500GPM for their new piling rig looks not performance well. They want to know what is the problem and how to address it.

Slurry Overflow: If the issue is related to inadequate processing capacity, causing slurry to overflow from the shaker screen, it suggests that the desanding plant is not handling the required flow rate.

Insufficient Separation Efficiency: If the complaint is regarding minimal differences in mud specific gravity before and after treatment, this indicates that the separation efficiency is not meeting the required standards, likely due to improper shaker screen selection or operational parameters.

Key Operational Parameters to Verify
To resolve these issues, it’s crucial to check the flow rate of the client’s mud pump. The processing capacity of the desanding plant should be carefully matched with the mud pump flow rate. If the system capacity is significantly lower than the pump flow, slurry overflow will occur. This balance ensures that the desanding plant can efficiently process the slurry without underloading or overloading.

GNMS-500D mud desaning unit Technical Specifications
For example, the GNMS-500D desander plant is designed to handle a maximum processing capacity of 500 GPM. It comes with a double deck screen shale shaker setup, including a 1mm coarse screen and a 0.3mm fine screen under the cyclone, which are crucial for separating coarse and fine solids.

Solution for Improving Separation Performance
If the desanding plant’s capacity is adequate but the goal is to reduce the gravity or solids content of the separated liquid, a finer mesh screen can improve separation efficiency. The following screen options can be considered:

Coarse Screen Options: API 20, API 40, or API 60
Fine Screen Under Cyclone: API 40, API 60, or API 80
It’s important to note the trade-off when choosing finer mesh screens. While finer screens offer better liquid clarity and more effective solids removal, they can reduce processing capacity. The finer the mesh, the slower the processing rate, so the right balance must be struck between liquid clarity and throughput.

In summary, addressing the specific complaint and aligning the desanding plant’s capacity with the pump flow, while carefully selecting the appropriate screen mesh, will optimize performance and ensure the required separation efficiency.

GNLW364 Sludge Dewatering Centrifuge for Overseas Environmental Company 

The GNLW364 is a 14-inch bowl high-speed decanter centrifuge engineered for wastewater treatment, designed to handle both oily and oil-free effluents. Built on a robust standard design, the GNLW364 can be modified and customized to meet the unique requirements of different projects. In this particular case, it was tailored for an overseas environmental company, with adjustments made to suit the client’s site-specific conditions and processing goals.

To ensure each solution is fit-for-purpose, GN Solids Control sales engineers begin the process by issuing detailed technical questionnaires. These help gather all necessary project parameters and operational conditions. Based on this information, GN’s centrifuge engineering team proposes optimized specifications to deliver efficient and reliable separation performance.

Technical Features

Bowl Geometry: The GNLW364 features a bowl with a 4:1 diameter-to-length ratio, which is considered ideal for wastewater and dewatering applications. This larger ratio increases sedimentation efficiency, supporting higher throughput and improved separation.

Centrifuge Speed Control: Variable speed control is essential for wastewater treatment due to fluctuating feed characteristics. The GNLW364 is equipped with a VFD (Variable Frequency Drive) control panel that enables precise, real-time adjustment of both the bowl and conveyor speeds to maintain consistent performance across different feed conditions.

Safety System: The unit includes a full suite of integrated safety features, such as temperature and vibration sensors. These protect both the machine and operators, allowing for safe and continuous operation.

Application Scope

This particular project utilizes the GNLW364 for 2-phase separation. However, GN Solids Control also offers 3-phase decanter centrifuges to handle more complex separation tasks involving oil, water, and solids. Available in multiple bowl sizes, these systems are used widely in industries such as petroleum refining, chemical processing, food production, and environmental engineering.

The flexibility and engineering precision of the GNLW364 make it a versatile and reliable solution for demanding separation applications in diverse global markets.

GN VFD Driling Fluids Decanter Centrifuge for Asia Drilling Company

Two sets of GNLW363D-VFD decanter centrifuge and one set of GNLW453D-VFD decanter centrifuge, manufactured by GN Solids Control, were recently shipped to an Asia-based drilling company for drilling mud treatment operations.

These units are equipped with advanced Variable Frequency Drive (VFD) technology, providing precise control over the centrifuge’s speed and performance, which is crucial for optimizing the drilling fluid treatment process.

The VFD centrifuges come with a complete control system, enabling the user to easily adjust the centrifuge’s bowl speed,  conveyor speed, feeding flowrate and operational settings according to the specific needs of the drilling operation. This flexibility ensures consistent solids separation and enhanced performance in the treatment of drilling mud. The VFD technology also improves energy efficiency by allowing the motor to operate at variable speeds, reducing power consumption while maintaining optimal separation performance.

Each centrifuge set includes a feeding pump (German brand NETZSCH screw pump), which is essential for supplying the proper flow of drilling fluid to the centrifuge. The feeding pump works seamlessly with the VFD centrifuge, ensuring a consistent and steady flow rate, which is key for effective solids removal. Additionally, the package includes telescopic skids, hoses, and pipes, all internally packaged for easy integration into the drilling operations. The telescopic skids allow for easy transportation and positioning of the centrifuge units at different drilling sites, which is especially important when moving between multiple rigs.

The provided hoses and pipes ensure proper connection and minimize the risk of leaks, facilitating smooth operation without interruptions. These centrifuges from GN Solids Control offer a reliable and efficient solution for managing drilling mud, improving the overall performance of the drilling operation while reducing environmental impact.

With the VFD control system, these centrifuge units provide enhanced operational flexibility, making them ideal for a variety of drilling conditions. The system allows for easy speed adjustments, ensuring that the company can maintain an efficient and effective drilling fluid system across multiple rigs and drilling operations. GN Solids Control continues to be a trusted manufacturer in the solids control industry, offering high-quality solutions for mud treatment.