GN Company is a professional manufacturer of Solid Liquid Separation Equipment, including 2/3 Phase Decanter Centrifuge, and 2/3 Phase Disc Separator. Recently GN Company arranged shipment of two units of high G-force Disc Separators to client in Middle East, which is used for coolant clarifying in the fabrication of aluminum beverage cans.
This Middle East client purchases 3-Phase Disc Separator, which is used for light phase (oil), heavy phase (water), and solid separation. 3-Phase Disc Stack Separator is a high speed, stable and automatic slag discharge centrifuge machine. The sludge material is feed into the bowl of the Disc Separator and clarified in the disc group. Through the very narrow disc compartment, the liquid is divided into thin liquid layers, and the settling displacement is reduced to a minimum. The clarified liquid is squeezed to the center of the drum and then flows to the holder cavity, where the light liquid will pass through the holder and be discharged without foam under pressure. The solid particles will be accelerated to move toward the underside of the disc, and flow out into the slag cavity, and the separated ash will be periodically discharged through the slag outlet.
3-Phase Decanter Centrifuge can also be used for light phase, heavy phase, and slag separation. While its separation performance, especially the clarity of light phase is not as good as decanter, as separate has much higher speed of rotation, thus stronger centrifugal force.
Welcome to contact GN Sales Managers, and they would offer one stop turnkey solution based on clients’ project.
Best & Regards,
Kevin Liu
Regional Manager
GN Separation & Conveying
Hebei GN Separation & Conveying Equipment Co.,Ltd
Tel: +86-316-5276988/9
Mob (WhatsApp/Wechat): +86-15810901775
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
GN China: www.gnseparation.com (Langfang/Beijing)
GN USA: www.gnsolidsamerica.com (Houston, Texas)
GN Russia: www.gnseparation.ru (Moscow City)
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Published: 18 August 2021
GN Company is professional manufacturer of Decanter Centrifuge and Disc Separator for over 10 years. Recently GN Company completed fabrication of one complete set of Oil Sludge Treatment Package for domestic environmental solution company. The capacity is about 15 cubic meters per hour, and the system includes 2-phase Decanter Centrifuge, 3-phase Disc Stack Separator, Polymer Preparation Unit, Sludge Feeding Pump, and supporting pipelines, etc.
2-phase Decanter Centrifuge is used for solids and liquid separation. Because of high viscosity and density of oily sludge, GN Engineers suggest doing pre-treatment on the sludge, including heating and adding demusfier. Sometimes if the solid content percentage in the sludge is high, it is better to mixture with water, to reduce solids content to about 20%. Thus the sludge is fluid bale and can be pumped to GN system. The client chooses GN a big model of Decanter for this project, with bowl size about 550mm, and length vs width ratio reaches about 4.1. All the wetted part is made of Duplex Stainless Steel 2205, which has great corrosion resistance than common stainless steel 304 or 316L.
The liquid phase discharged from Decanter Centrifuge would be feed into 3-phase Disc Separator, which is use for solid/liquid/liquid separation, and the light phase (oil) would be more purified, because of the stronger centrifuge force of Disc Separator than Decanter Centrifuge, as it has much higher speed. The light phase (oil) discharged from Disc Separator has water & solids content less than 3%, and it can be resell to refinery plant for energy.
Welcome to contact GN Sales Managers, and they would offer One Stop Turnkey solution based on clients’ requirement.
Best & Regards,
Kevin Liu
Regional Manager
GN Separation & Conveying
Hebei GN Separation & Conveying Equipment Co.,Ltd
Tel: +86-316-5276988/9
Mob (WhatsApp/Wechat): +86-15810901775
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
GN China: www.gnseparation.com (Langfang/Beijing)
GN USA: www.gnsolidsamerica.com (Houston, Texas)
GN Russia: www.gnseparation.ru (Moscow City)
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Published: 11 August 2021
Client from North American had purchase one complete of Hydrovac Slurry Dewatering System. Now they send greatly feedback about GN Company's equipment's performance, and look forward great cooperation.
The Slurry Dewatering System is composed of different separation/dewatering modules and related auxiliary equipment, and detailed explanation is as below.
1. Industry Dewatering Vibrating Screen. The slurry from client’s job site would firstly be feed into the Vibrating Screen, where to remove coarse particle, with size more than 100um. The screen is made of composite frame and oil resistance rubber sealing part.
2. Hydro Cyclone Unit. The slurry, which passes through the screen, would be feed into Hydro cyclone by Centrifugal Sand Pump, where solids with size 20~100um would be separated out from the slurry.
3. Sludge Dewatering Decanter Centrifuge. The clean slurry recovered from Hydro Cyclone Unit would be feed into Decanter Centrifuge by Progressive Cavity Pump, where find solids with size less than 20um would be separated out from the slurry. And for solids size less than 2um, GN Technical offers Polymer Preparation Unit with Dosing Pump, in order to add flocculent, which can help Decanter Centrifuge to get better separation performance.
Besides supplying single unit equipment, GN Company takes more advantages of delivering One Stop Turnkey Solution. And GN Company Technical Team can design all the system on skid or in container, which would be easy for transportation and installation. This can greatly bring convenience for the client to work around different job sites.
Welcome to contact GN Sales Managers, and they would offer detailed solution based on clients’ requirement.
Clients can also post their sample to GN Factories, and GN Technical Engineers can arrange Lab Experiment or Pilot Test, and suggest the best solution based on the result.
Best & Regards,
Kevin Liu
Regional Manager
GN Separation & Conveying
Hebei GN Separation & Conveying Equipment Co.,Ltd
Tel:+86-316-5276988/9
Mob(WhatsApp/Wechat): +86-15810901775
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
GN China: www.gnseparation.com (Langfang/Beijing)
GN USA: www.gnsolidsamerica.com (Houston, Texas)
GN Russia: www.gnseparation.ru (Moscow City)
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Published: 03 August 2021
GN Company has supplied one unit of 240m3/hour Desander Plant for European client, and now received good feedback from client. GN Company is a professional manufacturer of Solids Liquid Separation equipment, including Vibrating Screen & Screen, Desander Unit, Decanter Centrifuge, Pump, Screw Conveyor, etc.
Desander Unit is used to remove the coarse particle from drilling mud, and then reuse for drilling activity, which greatly save cost for the drilling companies. The Desander Unit has two layers of screen, tank, centrifugal pump, and hydro cyclone, etc. The working principle about GN Company’s Desander Unit is that the drilling slurry firstly comes to the bottom screen of shaker, where coarse particle are separated out. Then mud flow to the storage tank below the screen, where centrifugal pump would feed the mud to hydro cyclone. Because of the centrifugal force, the solids/sand would be discharged to upper screen of shaker from the outlet nipple of the hydro cyclone, and the clean mud would be discharged out to intermediary tank through overflow pipe.
The color of the Desander Unit can be customized based on clients’ requirement, and GN Company has complete CE Certification for the Desander Unit and Centrifugal Pump.
GN Company can also supply the Motor of Shaker and Pump, and Electrical Control Box based on ATEX Zone 2 explosion proof, which is acceptable for mostly European countries.
GN Company has already supplied equipment to about 65 countries, and welcome to contact GN Sales Manager, and they would offer One Stop Turnkey Solution for clients' project.
Best & Regards,
Kevin Liu
Regional Manager
GN Separation & Conveying
Hebei GN Separation & Conveying Equipment Co.,Ltd
Tel:+86-316-5276988/9
Mob(WhatsApp/Wechat): +86-15810901775
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
GN China: www.gnseparation.com (Langfang/Beijing)
GN USA: www.gnsolidsamerica.com (Houston, Texas)
GN Russia: www.gnseparation.ru (Moscow City)
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Published: 27 July 2021
Client from Europe ordered one unit of 3-Phase Decanter Centrifuge for oily sludge from Dissolved Air Floatation (DAF) process.
GN Company's 3-Phase Decanter applies the technology of ''centripetal pump'', which is used to discharge of heavy liquid. An adjustable impeller discharges the "heavy" liquid phase. Furthermore, the operator can use the adjustable impeller to adjust the pond depth of the heavy liquid without difficulty during ongoing operation. According to the Proportion of two different phases, an adjustment mechanism causes the position of the impeller to change, thus changing the separation line of the liquids. The process engineering results can thus be influenced so as to achieve the required separation result.
The motor of GN Decanter are reputable Chinese brand, and non-china brand is also available if it is required from clients.
The material contact part is made of duplex stainless steel by centrifugal casting, which is better than SS304/316, especially for slurry with high content chloride ion.
Flushing is not necessary during 3-Phase Decanter Centrifuge's continuous operation, and only if Decanter Centrifuge stops for long hours, for example, overnight time, then it's better to clean with clean water. Flushing Pump and Sludge Feeding Pump can be the same one Pump, because Sludge Feeding Pump itself shall also be flushed. 2~3 m3/hour flow rate is okay, and municipal water supply's water pressure is enough for flushing. And generally flushing time is 10~30minutes.
Besides supplying Decanter Centrifuge, GN Company is also capable to manufacture supporting equipment, such as Polymer Dosing System, Sludge Feeding Pump , Polymer Dosing Pump, Screw Conveyor, etc.
Welcome to contact GN Sales Managers, and they would offer One Stop Turnkey Solution based on clients' requirement.
Best & Regards,
Kevin Liu
Regional Manager
GN Separation & Conveying
Hebei GN Separation & Conveying Equipment Co.,Ltd
Tel: +86-316-5276988/9
Mob (WhatsApp/Wechat): +86-15810901775
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
GN China: www.gnseparation.com (Langfang/Beijing)
GN USA: www.gnsolidsamerica.com (Houston, Texas)
GN Russia: www.gnseparation.ru (Moscow City)
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Published: 19 July 2021
This week one complete set of Sludge Dewatering Screw Press with Polymer Preparation Unit for South American client is ready for shipment. GN Company is a professional manufacturer for Solids Liquid Separation equipment, including Decanter Centrifuge, Disc Separator, Screw Press, Solids Vacuum Pump, Screw Conveyor, etc.
Screw Press is a newly developed economic and environmental sludge dewatering equipment, which achieves dewatering by the principle of screw extrusion, through strong squeezing force generated by the change of screw diameter and screw pitch h, and the tiny gap between the floating ring and fixed ring.
Comparing with Decanter Centrifuge, Filter Press, and other dewatering equipment, Screw Press has obvious advantages of low energy/electricity cost, labor/operation cost, investment cost, maintenance cost, and compact footprint, etc. It is suitable for small/medium dewatering project, with solid content percentage in the feeding inlet less than 5%.
GN Company now is capable to manufacture screw press with diameter from 100m to 400mm, and electrical components, including motor, can be international reputable brand.
The fluid contact part is made of stainless steel 304/316, and duplex 2205 is available if necessary.
Besides supplying the main dewatering equipment, GN Company can also manufacture Polymer Preparation Unit, Sludge Feeding Pump, and Slurry Tank. GN Company also takes advantages of delivering One Stop Turnkey Solution. GN Technical Team can design the whole system, including Screw Press, Polymer Preparation Unit, and Sludge Feeding Pump on one skid, which is more convenient to move around different job sites.
Welcome to contact GN Sales Managers, and they would offer detailed solution based on clients’ requirement.
Best & Regards,
Kevin Liu
Regional Manager
GN Separation & Conveying
Hebei GN Separation & Conveying Equipment Co.,Ltd
Tel:+86-316-5276988/9
Mob(WhatsApp/Wechat): +86-15810901775
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
GN China: www.gnseparation.com (Langfang/Beijing)
GN USA: www.gnsolidsamerica.com (Houston, Texas)
GN Russia: www.gnseparation.ru (Moscow City)
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Published: 11 July 2021