In the rapid development of trenchless technology globally, the Mud Recycling Unit (MRU) has become an indispensable piece of equipment for overseas trenchless projects. Today, let’s discuss the significant role and technical characteristics of this equipment in overseas trenchless projects.

The Importance of Mud Recycling Unit

In trenchless construction processes such as pipe jacking, directional drilling, and microtunnel boring machine (MTBM) applications, mud serves as a crucial auxiliary material. It functions as a lubricant, coolant, supporter, and carrier of soil particles. However, as the project progresses, the mud gradually becomes contaminated and diluted, losing its original properties. This is where the Mud Recycling Unit comes into play.

The Mud Recycling Unit effectively separates, purifies, and reuses discarded mud, significantly improving mud utilization and reducing project costs. Meanwhile, the recycled mud maintains good performance, ensuring smooth progress in trenchless construction.

Technical Characteristics of Mud Recycling Unit

Efficient Separation:

The Mud Recycling Unit employs advanced physical or chemical separation techniques to efficiently separate solid particles from the liquid in discarded mud, ensuring the purity of the recycled mud.

Intelligent Control:

The equipment is equipped with an intelligent control system that can continuously monitor the mud’s performance parameters such as density and viscosity, and automatically adjust based on needs, ensuring the stable quality of recycled mud.

Environmental Protection and Energy Conservation:

During the recycling process, the Mud Recycling Unit effectively reduces the discharge of discarded mud, minimizing environmental pollution. Additionally, the equipment itself is designed for energy conservation, lowering energy consumption.

Strong Adaptability:

The Mud Recycling Unit can adapt to different geological conditions and project needs, demonstrating strong adaptability and flexibility.

Application Cases in Overseas Trenchless Projects

In recent years, the Mud Recycling Unit has been widely applied in overseas trenchless projects. For instance, in a drainage pipeline renovation project in a Southeast Asian city, the Mud Recycling Unit was used to recycle and reuse discarded mud. Through practical operation, the equipment not only significantly improved mud utilization and reduced project costs, but also ensured smooth progress in construction.

Conclusion

As an essential piece of equipment in overseas trenchless projects, the Mud Recycling Unit, with its technical characteristics such as efficient separation, intelligent control, environmental protection, and strong adaptability, plays an increasingly significant role in trenchless construction. With the continuous development of trenchless technology, the application prospects of the Mud Recycling Unit will be even broader.

In the world of trenchless construction, mud recycling units play a crucial role in ensuring the smooth operation of horizontal directional drilling (HDD) and coalbed methane (CBM) drilling projects. GN Solids Control, a leading manufacturer in this field, offers top-notch mud recycling systems that have been trusted by numerous international projects.

The GN drilling mud recycling system is renowned for its versatility and reliability. Its extensive application in countries like Australia, Indonesia, and India speaks volumes about its performance and popularity. With the support of GN Solids America branch and GN Australia Partner, GN provides prompt service and spare parts from Beijing, Houston, and Brisbane, ensuring customers get the best support possible.

One of the standout features of GN HDD CBM Mud Recycling Equipments is its complete line of mud systems. From GNMS-200GPM to GN1500 GPM, these self-contained mud recycling systems cater to a wide range of project requirements. The cost-effective equipment integration, which includes all necessary drilling mud equipment from a single source—GN Solids Control Factory, further adds to its appeal.

The fast-moved compact system design is another plus. Its small footprint and quick-connect features for removable parts ensure smooth transportation while meeting all regulations. Fixed parts remain in place during travel, making setup and dismantling a breeze.

Customers can also rest assured about the service they receive. GN can send experienced engineers for installation and training, ensuring customers’ engineers are well-versed in the operation and maintenance of the mud recycling unit.

Moreover, GN offers flexible options for mud tanks, including skid-mounted, trailer-mounted, and hydraulic jack-up tanks. This flexibility allows customers to choose the most suitable option based on their specific needs and project requirements.

In conclusion, GN Solids Control’s mud recycling unit is a reliable and efficient solution for overseas trenchless projects. Its comprehensive features, cost-effectiveness, and customer-centric service make it a preferred choice for HDD and CBM drilling operations worldwide.

In the world of municipal sludge management, finding an efficient and environmentally friendly solution for sludge dewatering is crucial. GN’s latest product, The GNDL303 screw press is a perfect fit for this challenge, offering a cost-effective and sustainable approach to sludge dewatering in US municipalities.

The GNDL303 screw press utilizes the principle of screw extrusion to achieve solid-liquid separation. Through the powerful squeezing force generated by the varying screw diameter and pitch, as well as the minute gap between the floating ring and fixed ring, the sludge is compressed and dewatered. This process not only ensures efficient water removal but also reduces the volume of the sludge, making it easier to handle and transport.

The GNDL303 screw press comes equipped with a fully automatic control cabinet, flocculation modulation box, sludge thickening and dewatering device, and liquid collecting tank. The automatic control technology allows for fully automatic flocculation operation, continuously completing sludge thickening and squeezing. The collected filtrate liquid can then be recycled or discharged safely.

The advantages of the GNDL303 screw press are numerous. It is suitable for a wide range of sludge types, including oily sludge, and can operate continuously and automatically without the risk of clogging. Additionally, it boasts low investment and operation costs, as well as energy-saving and environmentally friendly features. Its compact design also minimizes the required footprint, making it a practical solution for space-constrained municipal facilities.

Lastly, the GNDL303 screw press can dewater sludge under aerobic conditions, which avoids the release of phosphorus from anaerobic sludge dewatering. This further enhances its environmental benefits and makes it a preferred choice for municipalities looking for a reliable sludge dewatering solution.

In conclusion, the GNDL303 screw press is an excellent choice for US municipal sludge dewatering,

1.Project Background

With the acceleration of global urbanization, the treatment and disposal of municipal sludge has become one of the key challenges in environmental protection and sustainable development. In response to this issue, an overseas municipal sludge dewatering project has adopted the GNLW364 sludge dewatering centrifuges produced by GN Solids Control to improve sludge dewatering efficiency, reduce moisture content, and achieve the goals of resource utilization, reduction, and harmlessness of sludge.

2.Equipment Overview

Model and Quantity: GNLW364 sludge dewatering centrifuge, totaling 3 units.

Design Characteristics:

Single-unit Processing Capacity: 35m³/h

Design Critical Speed: 3900RPM

Regular Speed Range: 0-3200RPM

Critical Separation Factor: 3063G

Particle Separation Diameter: 2-5μm

Differential Gearbox Torque: 3500N.M

Main Motor Power: 37KW

Key Advantages:

The drum material is duplex stainless steel SS2305, outperforming industry standards.

The centrifugal casting process ensures a uniform drum texture with excellent dynamic balance performance.

The discharge port and the outlet of the screw conveyor are embedded with tungsten carbide hard alloy sleeves, providing high wear resistance.

The screw conveyor is embedded with wear-resistant alloy plates, ensuring a long service life and reducing maintenance frequency.

Controlled by a PLC panel, real-time monitoring of equipment status is possible.

3. Application Scenarios

The GNLW364 sludge dewatering centrifuges in this project are widely used in urban sewage treatment plants, industrial wastewater treatment plants, and other facilities. Through efficient centrifugal dehydration technology, the centrifuges quickly remove water from the sludge, reducing the moisture content and facilitating subsequent treatment and disposal.

4.Project Benefits

Improved Dewatering Efficiency:

The GNLW364 sludge dewatering centrifuges utilize advanced centrifugal dehydration technology to effectively remove water from sludge, significantly improving dewatering efficiency.

Energy Conservation and Environmental Protection:

No chemical agents are required during the dehydration process, reducing environmental pollution. Additionally, the equipment has low energy consumption, promoting energy conservation and emission reduction.

Easy Operation:

The equipment features an automated control system, simplifying operation and reducing labor costs.

Strong Adaptability:

The equipment is suitable for processing different types of sludge, demonstrating strong adaptability.

5. Conclusion

By adopting the GNLW364 sludge dewatering centrifuges produced by GN Solids Control, the overseas municipal sludge dewatering project has achieved the goals of efficient, environmentally friendly, and energy-saving sludge treatment. This not only contributes to improving local environmental quality but also facilitates the sustainable development of the city.

GN Solids Control Company Introduction

GN Solids Control is a professional manufacturer of solids control equipment, specializing in providing high-performance solids control solutions for the oil and gas exploration, drilling, and mining industries. The company upholds API certification as a quality assurance, committed to delivering high-quality solids control equipment and services to its customers. GN Solids Control boasts a wide range of products, including shale shakers, mud cleaners, centrifuges, and other key equipment, capable of meeting the needs of various customers.

Overview of the 1,500 HP Drilling Mud Solids Control System Exported to Africa Project

Project Background:

With the continuous global demand for oil resources, oil exploration and drilling activities in Africa have become increasingly frequent. To meet the demand for efficient and reliable solids control systems in Africa, GN Solids Control has introduced the 1,500 HP drilling mud solids control system and successfully exported it to Africa.

Project Content:

The system primarily consists of shale shakers, mud cleaners, centrifuges, and other key equipment, possessing powerful solid-liquid separation capabilities. It can effectively remove solid particles from drilling mud, improving the recovery rate of drilling mud.

GN Solids Control’s shale shakers employ motors from renowned brands such as OLI (Italy) or Martin (USA), with heat-treated screens and a vibration intensity of up to 8.0G, meeting the requirements of various working conditions.

The mud cleaners integrate desander and desilter functions, achieving secondary and tertiary treatment of drilling mud for improved processing effects.

As one of the core equipment in the system, the centrifuge removes ultra-fine unwanted solids from drilling mud, enhancing the purity of the mud.

Project Characteristics:

High efficiency: The system boasts high solid-liquid separation capabilities, significantly improving the recovery rate of drilling mud.

Environmental friendliness: By reducing the discharge of drilling waste, it minimizes environmental pollution and complies with environmental protection requirements.

Reliability: The use of quality motors and electrical components ensures the stability and reliability of the system, reducing the failure rate.

Project Significance:

The successful implementation of this project not only demonstrates GN Solids Control’s professional technical strength in the field of solids control but also further enhances the company’s competitiveness in the international market.

For oil exploration and drilling activities in Africa, this system provides advanced solids control solutions, helping improve drilling efficiency, reduce drilling costs, and promote local economic development.

Through the successful implementation of this project, GN Solids Control will continue to provide high-performance solids control solutions for the global oil and gas exploration, drilling, and mining industries, driving the sustainable development of the industry.

In the quest for efficient and sustainable solutions for municipal sewage treatment, GN Separation Equipment Co., Ltd. has emerged as a leading provider of industrial separation equipment. Recently, we were proud to supply 3 sets of GNLW364 Dewatering Decanter Centrifuges for an overseas municipal sewage treatment project.

The GNLW364 Dewatering Decanter Centrifuge is a T series decanter centrifuge with a beach angle of 8.5 degrees, designed for maximum efficiency in dewatering and thickening applications. This centrifuge is particularly suitable for the demanding requirements of municipal and industrial wastewater sludge treatment, where high dryness and clarity are paramount.

The GNLW364 Dewatering Decanter Centrifuge excels in separating materials with large particle sizes, high solid-liquid density differences, low viscosity, and high concentrations. Its high treatment capacity ensures that large volumes of sludge or wastewater containing fine particles can be processed efficiently. For materials with fine particles, the addition of flocculants is often required to aggregate the particles into larger ones, which can then be effectively dewatered using the T series decanter centrifuge.

At GN Separation, we pride ourselves on our ability to provide turnkey solutions for material dewatering processes. In addition to Dewatering Decanter Centrifuges, we offer a comprehensive range of separation and conveying equipment, enabling us to provide customized solutions that cover material transportation, classification, and dewatering.

As a subsidiary of Hebei GN Solids Control Co., Ltd., GN Separation has been a trusted name in the separation industry since 2007. Our three factories spanning 110,000 square meters in China, along with our branch offices in the United States and Australia, ensure that we can provide timely and comprehensive service to our global customers.

Holding National High-Tech Enterprise status, GN Separation maintains robust management systems and has been certified by the American API Quality Management System for 14 consecutive years since 2010. We also hold ISO9001, ISO14001, and ISO45001 certifications from the China Classification Society.

With our commitment to excellence and dedication to providing cutting-edge solutions, GN Separation remains the preferred choice for municipalities and industries seeking reliable and efficient dewatering solutions.

Recently, we are pleased to announce that GN Solids Control has successfully shipped a 22-inch large bowl centrifuge to overseas customers. This milestone event not only demonstrates GN Solids Control‘s exceptional technical strength in the solid control equipment industry, but also further proves our commitment to serving global customers.

As a leader in the solid control equipment industry, GN Solids Control has always upheld the philosophy of innovation, efficiency, and reliability, providing high-quality products and professional services to global customers.

The 22-inch large bowl centrifuge shipped to overseas customers is a concentrated embodiment of GN Solids Control‘s technical strength.

This centrifuge boasts excellent processing capabilities and stable performance, easily handling solid-liquid separation needs in various complex production processes. Through precise control and optimized design, it achieves efficient separation results, bringing significant production and economic benefits to customers.

To meet the strict requirements of overseas customers for product quality and delivery time, GN Solids Control has specially strengthened quality control and logistics management. Before shipment, we conducted comprehensive inspections and tests on the centrifuge to ensure that all performance parameters meet standards. At the same time, we provided customers with detailed operation manuals and maintenance guidelines to ensure they can easily operate and fully utilize its performance advantages.

To ensure that the centrifuge can safely and smoothly reach overseas customers, we closely communicated and collaborated with logistics companies.

We selected reliable transportation methods and routes, and professionally packaged and fixed the centrifuge to ensure it would not be damaged during long-distance transportation.

The successful export of GN Solids Control‘s 22-inch large bowl centrifuge not only further consolidated our cooperation with overseas customers but also enhanced GN Solids Control’s influence and competitiveness in the international market.

We firmly believe that with the launch of more high-quality products and the upgrading of services, GN Solids Control will create even more brilliant achievements in the global solid control equipment market.

In the future, GN Solids Control will continue to uphold the philosophy of innovation, efficiency, and reliability, continuously developing and producing more high-quality solid control equipment. We are committed to providing global customers with even better services to meet their diverse needs. Let us work together to create a better future!

In the world of industrial separation, the GN 22 inch (550mm) bowl diameter decanter centrifuge stands out as a high-performing and versatile piece of equipment. This centrifuge, with its large bowl diameter, offers exceptional capacity for various applications, both onshore and offshore.

Key Features and Specifications

The GN 22 inch centrifuge is available in two bowl length and diameter ratios: 3.3:1 or 4.2:1, allowing for customization based on specific requirements. The fully variable speed unit, controlled by a VFD (Variable Frequency Drive), utilizes either ABB or SIEMENS brand variable frequency drive units, ensuring reliability and durability.

The centrifuge’s electronic load sensing and feed pump control system enable automatic optimization of feed rate, bowl speed, and differential conveyor speed. This ensures maximum efficiency and minimizes operator intervention.

Direct readouts of bowl RPM, motor loads, and bearing temperatures (optional) are relayed directly to the control panel, giving the operator complete visibility and control over the equipment’s performance.

Popular Applications

Tunnel Boring Project Mud Cleaning – The GN 22 inch centrifuge is ideal for cleaning mud and debris from tunnel boring projects, ensuring smooth and efficient operations.

Dredging Slurry Separation – For dredging operations, the centrifuge separates solids from slurry, facilitating the recycling of valuable materials.

Industry Waste Water Treatment – In industrial wastewater treatment, the centrifuge removes suspended solids, improving water quality and reducing environmental impact.

Drilling Fluids Solids Control – Drilling fluids undergo rigorous solids control using the GN 22 inch centrifuge, maintaining fluid properties and enhancing drilling efficiency.

Oil Recovery from Marine Slop – In marine environments, the centrifuge recovers oil from slop, reducing waste and promoting environmental sustainability.

Oil Sludge Treatment – Oil sludge is effectively treated using the centrifuge, separating valuable oil from contaminants.

Municipal Sewage Sludge in Purification Plants – For municipal sewage sludge treatment, the centrifuge removes solids, reducing sludge volume and simplifying downstream processing.

Mining Industry Separation – In the mining industry, the GN 22 inch centrifuge separates minerals and other valuable materials from ore slurry, enhancing recovery rates.

Hebei GN Solids Control Co., Ltd. has been a trusted name in solids control and waste management equipment for over 15 years. As one of the largest manufacturers of solids control equipment globally, GN operates three factories spanning 110,000 square meters in China and maintains service capabilities through branch offices in the United States and Australia.

Recognized as a National High-Tech Enterprise, GN boasts a robust management system and holds various certifications, including the American API Quality Management System Certification, ISO9001, ISO14001, ISO45001, EU CE, ATEX, and International IECEx. GN’s commitment to quality and innovation ensures that its products, including the GN 22 inch bowl decanter centrifuge, meet the highest standards of performance and reliability.

Recently, GN Solids Control has successfully sold its fully hydraulic centrifuge GNLW363D-FHD to Asian customers, marking a milestone that further solidifies our position in the international market. GN Solids Control, as a leading player in the industry, has won the trust of global customers with its exquisite craftsmanship and superior product quality.

The GNLW363D-FHD centrifuge, as the star product of GN Solids Control, utilizes a fully hydraulic drive system, boasting significant performance advantages.

Firstly, its hydraulic drive system can operate stably under high-temperature conditions, ensuring that the equipment maintains efficient working conditions under various complex operating scenarios. Secondly, this centrifuge features diverse solid-phase discharge capabilities, adapting to the solid-phase discharge requirements of mud under different conditions through flexible adjustments.

Hydraulic centrifuges possess several notable characteristics that enable them to excel in various industrial applications.

Firstly, during operation,

the hydraulic centrifuge generates powerful centrifugal force through the high-speed rotation of the centrifuge bowl, separating the material into solid and liquid phases within the bowl. Solid particles are compressed into the centrifuge filter bag under the action of centrifugal force, while liquid material flows out from the bottom of the centrifuge bowl through the filter bag, achieving solid-liquid separation. This efficient separation method enables the hydraulic centrifuge to excel in both processing efficiency and capacity.

Secondly, the design of the slag discharge mechanism of the hydraulic centrifuge directly affects its processing efficiency and separation effect.

Common slag discharge mechanisms include manual and automatic types. The automatic slag discharge mechanism controls the movement of the slag discharge plate through a hydraulic cylinder, achieving timed automatic slag discharge. This design reduces manual operation and improves work efficiency. Meanwhile, the spiral slag discharge plate design ensures that the material is fully discharged from the centrifuge bowl, reducing material residue and further enhancing processing efficiency.

Additionally, the hydraulic centrifuge features a compact single-skid structure, facilitating on-site installation.

The entire machine is equipped with pressure, vibration, temperature, and other detection switches, enabling real-time monitoring of the centrifuge’s operating conditions. The hydraulic differential speed transmission torque can be automatically adjusted according to actual operating conditions to adapt to various types of mud. These characteristics provide the hydraulic centrifuge with broad application prospects in the pharmaceutical, chemical, and environmental protection industries.

Taking the GNLW363D-FHD fully hydraulic centrifuge produced by GN Solids Control as an example.

it utilizes a fully hydraulic drive system, featuring high-temperature stability, diverse solid-phase discharge capabilities, and other advantages. This centrifuge employs high-precision CNC machining equipment and high-speed dynamic balance testing equipment to ensure the reliable performance of the rotor. Meanwhile, the PLC intelligent control system incorporates intelligent control and safety protection programs, making operation simpler and safer.

In conclusion, hydraulic centrifuges possess significant advantages in the field of solid-liquid separation due to their efficient separation methods, flexible slag discharge mechanism design, compact structure, and intelligent control system.

In today’s fast-paced oil and gas industry, the demand for efficient and reliable separation equipment is paramount. GN Solids Control, a leading manufacturer of decanter centrifuges, has risen to the challenge by introducing the GNLW363D-FHD, a fully hydraulic drive decanter centrifuge tailored specifically for Asia’s rigorous conditions.

Powered by a hydraulic bowl and scroll drive system, the  offers unparalleled flexibility and adaptability. This system utilizes two hydraulic oil circuits to drive both the conveyor and bowl of the centrifuge, eliminating the need for complex mechanical transmissions. The result is a centrifuge that is not only highly efficient but also exceptionally easy to operate and maintain.

A collaboration between GN Solids Control and our Swiss supplier, a pioneer in centrifuge hydraulic driving systems, has ensured that the GNLW363D-FHD meets the highest international standards. This partnership has allowed us to develop a centrifuge that is specifically designed to handle heavy mud in high-temperature environments.

The full hydraulic drive system consists of three key components: the hydraulic pump unit, the bowl drive hydraulic motor, and the scroll drive. The hydraulic pump unit feeds hydraulic oil to both the scroll and bowl drives via two separate and independently operating circuits. This ensures that the bowl’s rotational speed and the scroll’s differential speed can be adjusted independently, continuously, and infinitely variable during operation.

The pump unit is driven by an electric motor and contains all the necessary setting devices, safety valves, and pressure gauges. This comprehensive design allows for precise control over the centrifuge’s performance, ensuring optimal separation efficiency under varying conditions.

The compact skid design of the GNLW363D-FHD makes it easy to transport and install on any rig site. This, coupled with its exceptional performance, makes it a highly sought-after solution for oil and gas exploration projects in Asia.

In conclusion, the GNLW363D-FHD fully hydraulic drive decanter centrifuge is a cutting-edge solution that offers unmatched flexibility, reliability, and performance. It is the perfect choice for Asia’s demanding oil and gas industry.