Oct 15

Recently, a set of sludge dewatering equipment produced by GN SOLIDS CONTROL has been put into operation in a customer factory in the Middle East. The equipment is operating in good condition and the customer is very satisfied. The system consists of a two-phase decanter centrifuge and a dosing device independently produced by GN SOLIDS CONTROL. The dosing device is used to mature the reaction agent and flocculate the material in order to enhance the separation effect of the centrifuge on the solid phase.

GN SOLIDS CONTROL is a professional solids control equipment manufacturing company. Its products are exported to many countries around the world. The decanter centrifuge is one of our core products. The centrifuge is independently developed and manufactured by GN. The centrifuge is coordinated with other equipment. , Such as Vertical Cutting Dryers/Shale Shaker/Screw Feeding Pump, have been applied in petroleum, chemical, food, sewage treatment and other fields, and have obtained quite good feedback. GN Decanter Centrifuge, classified according to the treatment effect, has three models. For clarification, drying and clarification and drying, GN can select suitable centrifuges for customers according to the different processing requirements of customers.


At the same time, no matter how good the mechanical equipment is, the professional maintenance of the equipment is inseparable from the customer. When the centrifuge is in use, there are some places that we need to pay attention to. Phase appears. Check whether the lubricating oil of the bearing or hydraulic oil station needs to be in good condition. After the centrifuge is used up, if it needs to be shut down for a long time, it is necessary to pump clean water and run the centrifuge before shutting down to remove the dirt in the centrifuge drum to avoid the drying and solidification of mud in the centrifuge drum to jam the equipment. Therefore, only in daily use, strictly follow the operating instructions to operate and maintain the centrifuge. In order to make it run more smoothly.

Please contact us in time if you need it.

written by GN solids Control

Sep 26

GN Solids Control also supplies various conveying pumps in the complete set of equipment, including screw pumps, submerged slurry pumps, sand pumps, and solid vacuum conveying pumps.

Among them, the solid vacuum pump is a new technology specially designed for conveying materials with high density, high solid content and good fluidity. Recently, GN Solids Control provided 2 sets of solid vacuum pumps to a European company. One GNSP40B is used for fixed-position transportation; one GNSP20B, this type of vacuum pump has a pulley at the bottom, which can be moved at will, and is used by customers for mobile use.

GN Solids Control vacuum pump is a pneumatic pump that uses air as its power source. It can be used to transport mine tailings, drilling waste, industrial slurry, chemical powder, construction aggregates, oil sludge, kitchen waste and other materials.


In solid transportation, screw conveyors are conventionally used for transportation, which has short transportation distance and high cost, which cannot be satisfied for long-distance transportation. The vacuum pump has a suction distance of 50 meters for clean water and a discharge distance of 1000 meters. It is of great significance for long-distance transportation.

The maximum processing capacity of GN vacuum pump is 40m³/h. If more processing capacity is needed, solid vacuum pumps can be used in parallel. A domestic Shanghai drilling mud company uses 4 GN Solids Control vacuum pumps in parallel, which greatly increases the processing capacity, thus satisfying On-site use requirements.

The reason why the vacuum pump can have a good effect and a longer head for solid transportation is that it can form a higher negative pressure and a positive pressure. GN Solids Control has specially designed two devices, a vacuum pump rotary discharge device and a vacuum pump buffer funnel, to relieve pressure and prevent the impact of the discharge of materials. So as to meet the customer’s requirements.

GN Solids Control mud treatment system also widely used in trenchless, piling, and shield tunneling projects. Please contact us in time if you need it.

written by GN solids Control

Sep 19

GN Solids Control is a supplier specializing in the production of mud treatment equipment. Since the establishment of the company for more than ten years, GN Solids Control’s mud treatment equipment has been sold to many domestic and foreign customers. Recently, the large-scale mud-water separation decanter centrifuge system manufactured by GN Solids Control has completed the conditions for delivery of tools and will be sent to a domestic tunnel engineering company for use.

GN’s mud treatment system is a mud system specially developed for the fine separation of mud in shield engineering. This system can minimize the specific gravity of mud. When used with the flocculation dosing system, the mud can achieve environmentally friendly discharge standards.

1. Decanter centrifuge GNLW764A-VFD

GN specializes in the design of centrifuges based on the customer’s specific mud conditions and usage requirements, with high-quality material selection and cutting-edge processing and testing equipment, which greatly improves the trial performance of the centrifuge. GN Solids Control can manufacture various types of centrifuges with a transfer diameter of 220mm-760mm, with a length-to-diameter ratio of 4.2 and a separation factor of up to 3000G. The decanter centrifuge GNLW764A-VFD is made of 2304 bidirectional stainless steel centrifugal casting with superior wear resistance. The screw pusher adopts cemented carbide sheet inlay technology, which increases the wear resistance and is more convenient for maintenance. This centrifuge is equipped with a lubricating oil circulation workstation, which can meet the needs of continuous work. At the same time, in order to ensure the stable operation of the centrifuge, we use internationally renowned brand screw pumps to supply the equipment to ensure a constant flow rate.


2. Chemical dosing system: GNDW-6000L

The GN flocculation dosing system is mainly used to automatically configure chemical flocculants, coagulants or demulsifiers, and is used to assist the decanter centrifuge to separate finer particles, so as to realize the reuse or discharge of clean water. The GNDW-6000L dosing system is made of 304 stainless steel as a whole, and the three-box design meets the maturation and mixing process of the medicament, and continues to provide medicament for the decanter centrifuge during operation.

GN Solids Control mud treatment system is widely used in trenchless, piling, and shield tunneling projects. Please contact us in time if you need it.

written by GN solids Control

Sep 10

GN Solids Control is a manufacturer of solids control and waste disposal equipment. After more than 10 years of continuous innovation and development, GN Solids Control has become a well-known brand in the domestic solids control equipment industry.

GN Solids Control‘s continuous pursuit of equipment quality and performance is an important reason why customers at home and abroad increasingly prefer to choose GN. In August 2021, the GN solids control centrifuge was successfully used in South American drilling rigs. This time we provided centrifuges and screw pumps to customers. The specific models and introductions are as follows:


1. Decanter centrifuge GNLW363C-VFD

Centrifuge is widely used in drilling fluid control and barite recovery. The price of drilling fluid is very expensive, because it usually needs to add chemicals to make it have a certain specific gravity and viscosity before it can be reused, so it is very important to recover more drilling fluid. The GN centrifuge processes the drilling fluid under the action of high rotation speed and high gravity, so that the drilling fluid is separated from the solid and liquid, and more drilling fluid is recovered, and at the same time, the useless solid phase is separated, which saves a lot of cost and improves efficiency.

GN Solids Control drilling fluid centrifuges are available in a variety of sizes, including 14 inches, 18 inches and 22 inches. The decanter centrifuge GNLW363C-VFD provided this time is one of the most popular centrifuge series products, and many units have been sold at home and abroad. The conventional solids control system is equipped with two centrifuges, namely a medium-speed centrifuge and a high-speed centrifuge, while the GNLW363C-VFD centrifuge of GN Solids Control is a high-speed centrifuge with good treatment effects and good economic benefits, and is well received by customers.

2. GN screw pump GNG30-075B

GN company generally chooses screw pumps in the selection of liquid feed pumps for decanter centrifuges. Because the screw pump can control the liquid supply flow and can record the liquid supply. The flow range of the screw pump can be adjusted according to customer needs.

GN Solids Control has always been committed to providing customers with cost-effective solutions. If customers have any needs, they can contact us at any time.

written by GN solids Control

Sep 02

GN Solids Control is a professional manufacturer of solids control and waste treatment equipment. With years of rapid development, GN Solids Control products have been sold to many countries and regions around the world. The system was successfully sold to the North American market and applied to the job site, which was well received by customers. This set of dehydration system mainly includes the following modules.

1. Receiving funnel

The receiving funnel is mainly used to collect the mud after vacuum excavation, and a metal grid is installed inside the funnel to remove larger stones and prevent larger particles from entering the vibrating screen and damaging the vibrating screen.

2. Coarse screen shaker

The slurry after removing large-size rocks through the receiving funnel enters the GN Solids Control shale shaker. The first coarse screen is carried out by selecting a smaller mesh screen to remove harmful solid phases in the slurry.

3. Double-layer shale shaker GNZS706

GNZS706 double-layer shale shaker is screened separately through the upper and lower screens. First, the slurry that has passed the coarse screen enters the upper layer of the double-layer shale shaker for a primary screening, and the liquid-phase slurry after screening falls into the second screen. The net for secondary screening can effectively remove solid phases with different particle sizes in the mud.


4. Desilter

The sludge remover is installed above the vibrating screen by 12 4-inch cyclones made of polyurethane material, and the slurry is pumped into the cyclone at a certain pressure through the slurry supply centrifugal pump, and the heavy solid phase and the The light liquid phase is simply separated, the heavy solid phase directly falls into the vibrating screen below for another solid-liquid separation, and the liquid phase enters the mud recovery tank from above.

5. Decanter centrifuge GNLW553-VFD

The GN Solids Control550 series centrifuge is a widely used centrifuge. Its processing capacity can meet the needs of most working conditions. The mud is discharged through the slag discharge port.

6. Chemical dosing system

The automatic dosing system can automatically and continuously add chemicals to the centrifuge to gather fine particles together, which is beneficial to the solid-liquid separation of the centrifuge and removes more harmful solid phases.

7. Mud tank

According to the actual processing capacity of the customer on site, our company matched the corresponding mud tank for the customer. The main tank size is 10369x2100x2312mm, and it is equipped with protective equipment such as pipe manifolds and protective fence walkways.

If you have solid-liquid separation needs, you can contact us at any time.

written by GN solids Control

Aug 30

GN Solids Control is a manufacturer of solids control and waste treatment equipment. After more than ten years of continuous development, GN Solids Control’s solid-liquid separation equipment has been sold to many countries and regions around the world. This month, our company successfully customized a set of trenchless tailings treatment equipment for the domestic Sinopec Engineering Company, which is used in conjunction with the customer’s on-site slurry treatment equipment for the back-end tailings treatment. This set of tailings treatment equipment mainly includes the following the contents of the three modules.

1. Decanter centrifuge GNLW553C-VFD

The decanter centrifuge GNLW553C-VFD is a centrifuge produced by our company with a wide range of applications. This type of centrifuge can meet most of the working conditions and treatment effects, and is widely used in solid-liquid separation fields such as drilling mud treatment and sewage treatment. GN Solids Control550 series centrifuges have two options of length-to-diameter ratio of 3:1 and 4:1. Because customers are used to process drilling mud tailings, we match the length-to-diameter ratio of 3:1 for customers, and GN Solids Control A special electrical department has been established to provide a professional PLC control system, which significantly improves the practicability and maneuverability of the decanter centrifuge.

2, dosing dehydration system: GNDW-2000L

In order to obtain a better dewatering effect in the treatment of drilling mud tailings, it needs to be used with a chemical dosing system. This system is matched with the GNDW-2000L chemical dosing system for customers, which can realize automatic dosing and reduce human intervention, To obtain better dosing effect.

 2017.05.25 Decanter Centrifuge

3, mud tank

The tail slurry treatment system customized for the customer this time is matched with the matching mud tank for the customer according to the customer’s on-site working conditions. The size of the mud tank is 6000x2500x2400mm, which is mainly used to collect the liquid phase after the decanter centrifuge. The customer installed supporting artificial walkway guardrails and ladders.

If you have solid-liquid separation needs, you can contact us at any time.

written by GN solids Control

Aug 21

GN Solids Control is a mud treatment equipment manufacturer. After more than ten years of continuous development, GN Solids Control mud water separation equipment has been successfully sold to many countries and regions around the world. Recently, our company successfully customized a set of GNTBM-240 series shield mud-water separation system for South American customers, and sent it to the customer site. After the customer’s debugging and installation, the customer fully affirmed the effect of the GN Solids Control mud-water separation system. . This shield mud-water separation system mainly includes the following equipment modules.

1. Desander machine

According to the requirements of the customer’s processing capacity, our company matched the GNZY705E-Y2S de-sanding integrated machine for the customer. The integrated machine vibrating screen adopts a double-layer vibrating screen. The upper layer is used to process the solid phase sieved from the desanding cyclone for drying and sieving again to obtain drier cuttings and recover more shield mud. The desanding cyclone adopts a polyurethane material cyclone, which can effectively extend the service life of the desanding cyclone, and a 55KW sand pump is used as the slurry supply pump for the GN Solids Control desanding integrated machine.

2. All-in-one desilter machine

For this shield mud-water separation system, our company matched the GNZY752E-Y12N desilting integrated machine and equipped with an underflow screen. When the mud is transported by the slurry supply pump to the desilting cyclone for cyclone separation, the liquid phase is separated from the cyclone. The upper part of the flow device is discharged into the slurry tank, and the solid phase falls into the bottom flow screen for solid-liquid separation again, to obtain a better separation effect. In order to effectively extend the service life of the sludge cyclone, the cyclone made of polyurethane material is also selected.


3. Mud tank and accessories

Our company also equips customers with slurry tanks for mud processing and transfer, as well as matching folding corridors, which are convenient for installation and transportation. The whole system integrates the electronic control system, which is easy to operate and safe and reliable.


If you have equipment requirements for mud-water separation, you can contact us at any time.

written by GN solids Control

Aug 15

Recently, GN Solids Control has successfully supplied a batch of drilling mud desander cleaners and mud cleaners to domestic oilfield service companies.

The GN Solids Control desander cleaner is a combination of the GN Solids Control desander and the vibrating screen. It has a compact structure design and can effectively save working space. The GN Solids Control desander uses a 10-inch polyurethane material cyclone, and is matched with a GN Solids Control shale shaker at the bottom of the cyclone. The sand removal cleaner is mainly used to remove harmful solid phases above 45 microns in drilling mud. The working principle is mainly to centrifugal pump the mud into the cyclone with a certain lift through the sand pump, and the heavier solid phase flows in the shell through the cyclone. It falls inside the body, and finally falls on the shale shaker for re-screening. The light liquid phase is discharged from the top of the cyclone into the slurry tank.


The GN Solids Control desilter cleaner, like the degreasing cleaner, combines a desilter and a shaker screen. Unlike the desilter, the GN Solids Control desilter uses a 4-inch polyurethane cyclone. A vibrating screen is also installed at the bottom of the cyclone to re-screen the solid phase discharged by the de-sludge cyclone, recover more useful drilling mud, and get drier drilling cuttings. The GN Solids Control desilter can remove harmful solids above 25 microns in the drilling mud, and is generally installed after the vibrating screen and de-sander.

In addition to providing customers with sand removers and sludge removers, GN Solids Control can also customize slurry treatment equipment, such as vibrating screens, centrifuges, and various slurry supply pumps and storage tanks, according to customer requirements. If you have any needs or questions regarding mud treatment, you can contact us at any time.

written by GN solids Control

Jul 07

Environmental pollutants such as drilling oil field, industrial slurry and chemical, degrade the soil and groundwater when not properly managed. When soil and groundwater pollution occur happen, these anthropological impacts in most cases leads to irreversible damage to the environment and many techniques can be used to remediate the contaminated soils and groundwater to a state which is fit for use or purpose. So people should make sure we protect the environment at all cost. It is far more cheaper to do so than paying heavily to restore the impacted environment to its native state.


As equipment manufacture, GN Solids Control already have various equipment work for environment protect or waste management work. Below is some of GN equipment.


  1. Complete set of oil sludge treatment system

GN complete set of oily sludge treatment equipment uses heating chemical hot washing technology to process oily sludge, recover oil and water, and reduce oil content of solid waste to 2%. The main equipment includes: sludge vibrating screen, sludge solid-liquid separation decanter centrifuge, three-phase oil-water residue separator.


  1. Big drum sludge dewatering decanter centrifuge

The big bowl decanter centrifuge provides an efficient and large-volume sludge dewatering treatment solution. It occupies a small area, has a large processing capacity, has a high-efficiency processing effect and a high degree of automation.


  1. Solid/sludge vacuum pump

GN solid/sludge vacuum pump is a pneumatic vacuum suction, positive pressure pneumatic conveying pump. Strong suction capacity and long discharge distance. It can be used for conveying solids, solid-liquid mixtures, sludge, etc. Commonly used in the fields of sludge pit suction, solid waste transportation, kitchen waste treatment, river dredging and other fields.


If have more need of this solution, welcome contact us.

written by GN solids Control

Jun 30

GN Solids Control is a mud treatment equipment supplier. After more than ten years of continuous development, GN Solids Control mud treatment equipment has been successfully sold to many countries and regions around the world. Recently, GN Solids Control delivered a batch of HDD mud treatment equipment to a Chinese engineering company.

GN Solids Control’s HDD mud treatment system is divided into two large series, namely economic mud treatment system and high-profile mud treatment system. The main difference is that the economical mud treatment system is mainly used for the purification and recycling of mud, but it does not have a mud tank for storing mud and a jet mud mixing device for adding materials. It needs to be equipped with an external slurry storage device and a jet mixing device separately. . The high-profile mud treatment system integrates the functions of mud recovery, mud storage and mud mixing, and can achieve multi-stage mud purification treatment, which can meet the needs of high-end and medium-sized drilling rigs.

The working principle of the GN Solids Control Trenchless Mud Purifier is that the mud in the mud pool is first sucked into the shale shaker logging tank through the submerged slurry pump, and then into the shale shaker for the bottom coarse screen to remove the mud in the mud. The solid phase of the large particles is separated, and then the liquid phase enters the slurry storage tank, and then the mud is pumped out of the slurry storage tank by the sand pump and transported to the desander. The desander cyclone screens out the fine particles in the mud. The solid phase falls into the upper layer of the vibrating screen to be sieved again, and the liquid phase enters the slurry storage tank. The re-sieved solid phase is relatively dry and can be discharged for treatment, and the liquid slurry continues to be recycled.

In addition to the standard configuration, the GN Solids Control non-excavation mud treatment system can also be designed into a skid-mounted, hydraulic lift, and vehicle-mounted type according to the customer’s project request to meet the requirements of customers for rapid transportation in different working conditions.

If you have any needs and questions regarding trenchless mud treatment, you can contact us at any time.

written by GN solids Control