GN Company finished the final test of one set of Wastewater Treatment Equipment, including Decanter Centrifuge, Flocculent Doing Unit, and Sludge Feeding Pump, and planned to do shipment to client's job site in Middle East very soon.

For the sludge dewatering, including STP, ETP, WWTP, the Decanter Centrifuge is the mostly used application. The Client ordered a big bowl Decanter Centrifuge for his project, based on treatment capacity requirement, with bowl size 18inch (450mm), L/D 4.2, and variable frequency driven speed of 0~3500RPM, and adjustable centrifugal force. The bowl is made of Duplex Stainless Steel 2304/2205, and the solids discharge port is made of tungsten carbide inserts, which is anti-abrasion and would extend working life. And GN Company would do 3 stages balancing process to maximize the balance of centrifuge, which includes 1800RPM low speed balancing, real operation high speed balancing, and assembly balancing.

Generally in order to get better performance of Decanter Centrifuge in wastewater treatment, Chemical Dosing Unit for flocculent is necessary. And GN Company can design and supply Chemical Dosing Unit with flocculent either from powder or liquid.

The client chooses Progressive Cavity Pump as pump both for sludge feeding and chemical dosing, which has advantage of stable flow rate. And GN Company can supply material of wetted parts in duplex stainless steel if client requests, in case of consideration about anti-corrosion.

Welcome to contact GN Sales Managers, and they would offer detailed solution based on your requirement.

Best & Regards,

Kevin Liu

Regional Manager

GN Separation & Conveying

Hebei GN Separation & Conveying Equipment Co.,Ltd

Tel:+86-316-5276988/9 Fax:+86-315-5276990

Mob(WhatsApp/Wechat): +86-15810901775

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Web: http://www.gnseparation.com

Address: No. 1 Zhongxun Road Dachang Chaobai River Industry Zone, Langfang, Hebei, China (Close to Beijing Int. Airport)

Hydrovac Excavation is widely used in Europe and American for excavation. It is to use high-pressure water to scour the ground instead of traditional way of digging. This would produce a large amount of mixture of water and soil, which occupies a lot of space, and not allowed to discharge to sewer directly. The Client can use GN Slurry Treatment System to dewatering the slurry, reduce volume amount, and recover clean water for reuse. The slurry is always collected from different working sites by Vacuum Truck, and transferred to professional Slurry-Dewater Plant to treatment.

GN Slurry Treatment System is a multi-stage separation system of Solids and Liquid, includes coarse solid particle separation, fine solid particle separation, and slurry dewatering. (chemical dosing system is optional)

First module is Coarse Solid Particle Separation, there is a big Hopper to collect the slurry discharged from Vacuum Truck directly, this Hopper would separate out sundries, such as gloves, plastic bags, etc. And then the slurry would flow to Coarse Vibrating Screen through bottom port of Hopper, the Coarse Vibrating Screen would separate out gravel and other big size of stone.

Second module is Fine Solid Particle Separation, the slurry would be pumped to a Desander Plant, where sand, silt, and other smaller solids would be separated out.

Slurry Dewater Module is to use Decanter Centrifuge, which is to remove fine particles of less than 5microns in the slurry. GN Company can also supply Flocculant Dosing Unit, to prepare either powder or liquid chemical, which would add to decanter centrifuge with slurry together, it helps Decanter Centrifuge to get better performance of solid and liquid separation.

The recovered water from Hydrovac Slurry Treatment System can be reused for hadrovac excavaton, and the dewatered solids can be used for land filling or as construction material.

Welcome to contact GN Company, the Sales Manager would offer professional suggestions for your project.

Best & Regards,

Kevin Liu

Regional Manager

GN Separation & Conveying

Hebei GN Separation & Conveying Equipment Co.,Ltd

Tel:+86-316-5276988/9 Fax:+86-315-5276990

Mob(WhatsApp/Wechat): +86-15810901775

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Web: http://www.gnseparation.com

Address: No. 1 Zhongxun Road Dachang Chaobai River Industry Zone, Langfang, Hebei, China (Close to Beijing Int. Airport)

GN Company recently supplied big bowl Decanter Centrifuge for TBM Slurry Dewatering in Europe, with chemical dosing unit and sludge feeding pump.

GN Company has been focus on manufacturing of Decanter Centrifuge for 13 years since 2007, and its equipment can be widely used for different industries, including drilling mud, wastewater, oily sludge, sewage, mineral water, salt mud dewatering, mineral oil, chemical material from different factories, fruit juice, milk, biodiesel, starch, edible oil, protein, cheese, beverage, etc.

GN Company is capable to manufacture big bowl decanter centrifuge, ranging from 22inch to 30inch, which is 550mm and 760 mm. Fine particles in the slurry is separated by centrifugal force, and based on the separation factor formula, the bigger separation factor, the better separation performance there would be. With big size of diameter, the Big Bowl-Decanter Centrifuge can get bigger separation force with relatively low speed of bowl, this would also ensure safety in operation and stable of running of the equipment itself.

Because there is much high content of fine particle in TBM slurry, so there should be necessary protection for decanter centrifuge. GN Technical Team designs and installs tungsten carbide inserts on the screw, and tungsten carbide bushing on the slurry distribution port and solids cake discharge port. All these would extend working hours of centrifuge and decrease maintenance.

And GN Technical Team also designs VFD for the two motors of Decanter Centrifuge, and PLC and HMI touch screen would make control easier.

GN Company takes more advantages of designing and supplying one stop turnkey solution for client project.

Welcome to contact GN Sales Managers, and they would offer complete solution based on clients’ project specially.

Best & Regards,

Kevin Liu

Regional Manager

GN Separation & Conveying

Hebei GN Separation & Conveying Equipment Co.,Ltd

Tel:+86-316-5276988/9 Fax:+86-315-5276990

Mob(WhatsApp/Wechat): +86-15810901775

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Web: http://www.gnseparation.com

Address: No. 1 Zhongxun Road Dachang Chaobai River Industry Zone, Langfang, Hebei, China (Close to Beijing Int. Airport)

Recently GN Company supplied one unit of 3-Phase Decanter Centrifuge for African Client, for oil sludge treatment in oil field. The client would like to remove Impurity and Water from oil, and recover clean oil as much as possible. 3-Phasae Decanter Centrifuge is used for Solid, Water and Oil separation by centrifugal force, and the mixture would be discharged separately from Decanter.

Regarding to oil sludge, besides oilfield drilling waste, Decanter Centrifuge can also work for refinery waste, and crude oil tank bottom residual. The recovered oil by Decanter Centrifuge, its impurity & water content is less than 3%.

Besides supplying single equipment, GN Company takes more advantages of design and supplying One Stop Turnkey Solution.

For Oil Sludge Treatment, because it is high viscosity and density, firstly GN Company supplies Sludge Solids Vacuum Pump to collect and transfer the sludge into our System. Secondly, we supply Pre-mixing Tank, which is used to heat and add water into sludge, in order to make it have fluidity, and solids concentration become less than 20% in the sludge. Thirdly, we supply Shaker, which is used to remove coarse particles from sludge. Fourthly, we have 3-Phase Decanter Centrifuge, for oil, water, and solids separation. (For some projects, we suggest 2-Phase Decanter Centrifuge + 3-Phase Disc Separator, which the recovered oil is more clean).

Please find video about GN Oil Sludge Treatment System from linkage as below.

https://www.youtube.com/watch?v=hXrzm5J_k1A

GN Company can manufacturer and supply all the accessories and supporting equipment, including Chemical Dosing System (powder or liquid chemical), Pipelines, Sludge Feeding Pump, Tanks, etc.

Welcome to contact GN Sales Managers, and they would offer professional suggestions and solutions based on your project.

Best & Regards,

Kevin Liu

Regional Manager

GN Separation & Conveying

Hebei GN Separation & Conveying Equipment Co.,Ltd

Tel:+86-316-5276988/9 Fax:+86-315-5276990

Mob(WhatsApp/Wechat): +86-15810901775

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Web: http://www.gnseparation.com

Address: No. 1 Zhongxun Road Dachang Chaobai River Industry Zone, Langfang, Hebei, China (Close to Beijing Int. Airport)