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Sep 04

GN is going to complete the fabrication of two sets big bowl decanter centrifuge for an American client for construction slurry dewatering treatment.

The model GNLW764 is the largest decanter centrifuge GN can make currently. Client chose this model according to their treating capacity requirement. In the long run, the large model equipment will save the operating cost so as to bring more economic benefit. 

GNLW764, the 30 inch bowl diameter decanter centrifuge has been proved with good performance onsite. Last year, GN has already shipped two 2 sets same model decanters to Australia in the plant for coal tailing dewatering.

Features of the Big Bowl Decanter Centrifuge GNLW764

1. GN adopts the duplex stainless steel to make the bowl of the decanter, and the centrifugal casting processing to make it a better balance performance and denser material distribution to avoid casting bubbles
2. Inside screw propeller is from duplex stainless steel 2205. For longer working life and less maintenance, GN uses tungsten carbide plate and sleeve to protect the screw blade and mud distribution port. 
3. To protect the motor, GN equips the decanter with VFD control panel to start the machine from low speed to high speed gradually. This prevents the over electric current to burn the motor. On the other hand, a VFD control panel will help the operator to run the machine at different speed according to slurry condition and process purpose.
4. GNLW764 is using oil pump to feed lubricants to both of the bearing seats. The plate type heat exchanging system can cool down the lubricating oil with high efficiency. 

The client has already ordered several slurry dewatering systems from GN for their hydraulic excavation slurry treatment. This 30 inch decanter will greatly increase the client’s capability in treating the tough slurry. With the trust on GN, the client added order on the decanter supporting leg. Supporting leg is critical as the weight of the GNLW764 is almost 17 metric tons. 

For more information on GN large bowl decanter centrifuge, please feel free to contact.

written by desander desilter

Aug 26

GN shale shaker is the first stage cuttings separation equipment in the mud system, thus the importance of the shale shaker is imaginable. The performance of the shale shaker will affect a large extent the performance of subsequent equipment. 

What is the advantage of GN Shale Shaker?

  • Shaker deck is completely processed by heating treatment to bear the high vibration force. 
  • To ensure a good sealing performance, GN created the U-type groove and embedded rubber sealing technology, which provides excellent sealing effect and in the meanwhile makes the replacement of the sealing rubber easily. 
  • GN developed 3 technics on how to tighten the shaker screen by using the wedge blocks. Hammer pushing, ratchet spanner pushing and quick pressing. Customer can choose as per their preference. 
  • GN upgraded the damping rubber spring to make the steel spring and rubber bushing combined and unbreakable, which increase the safety and reduce the part quantity.  

What GN Shale Shaker are Doing

  • GN shale shaker is used mainly for drilling mud cleaning, by changing different type mud feeder, GN shaker can be used in oil drilling, HDD and waste cutting management.
  • The shaker mostly is installed on the mud tank for primary solids control. By changing to larger horse power vibrators, GN shaker can be used as the High G force drying shaker.
  • All GN shaker are designed to have the bolting hole of the cyclone frame, the standard installation dimension make the assembling of the mud cleaner much easier. 
  • To achieve a better mud recovery effect, GN developed the vacuum screen device that can connect with the last panel screen of the shaker. All GN shakers can install this vacuum screen system

written by desander desilter

Aug 04

GN Solids Control have been widely known for HDD systems, solids control equipment, oil sludge treatment etc., and now also working on CRI, TDU, and more diversifying different decanter centrifuges for all the industry separations.The offshore drilling mud tank system is a full function and self-contained design. It has all necessary equipment to process the drilling mud step by step. Per the different working principle, the impurities with different sizes in the drilling mud would be separated by different equipment. Equipment list of the Offshore Drilling Mud Tank System

  1. Shale shaker, with simple structure and adjustable vibrating G force, is used to remove the coarse cuttings in drilling fluids. GN connected the main shaker unit and the underflow drying shaker unit in mud cleaner to make larger capacity vibrating screen system, this reduced the footprint of the system, but ensures the flow rate.    
  2. This system has a centrifugal degasser that is used to remove the air invaded into the drilling mud. The degasser unit can effectively remove the air to ensure the property of the mud. This also guarantees the sufficient pressure of the sand pump in feeding the drilling mud to the cyclone unit of the mud cleaner. 
  3. Decanter centrifuge is used to remove the fine solids in the drilling mud. GN decanter has been proved with stable performance and easy operation procedures to meet the demand on drilling site. The material application in rotation part and protection design in wearing part greatly extends the working hours and reduces the maintenance cost.
  4. GN also equipped screw conveyer to collect the waste cutting discharged from above mentioned equipment. As on platform, collecting the drilling cutting is also an important job due to limited space.

It is good to have one more famous client in offshore, as a Chinese company, COSL have been supporting more and more on local suppliers, and after a few times cooperation with GN, they are now trusting more and more on GN. 

written by desander desilter

Jul 29

It is not arrogant, this is just the best team. If you are going to argue, you are in same position as me. In the first half of 2019, GN has achieved a fruitful result. In order to thank the employees’ hard work and enrich their culture life, GN Solid Control held the 2019 Tourism Culture Festival on July 15-16 in the beautiful fishing island of Qinhuangdao. The theme of this culture festival is “Smelting the team, surpassing ourselves; working together and being invincible.”

In the past many years, lots of people contribute a lot on the development, so either in the good days or bad days, GN stay focusing on top quality products, based on that, everyone is trying to do their best. The fishing island marine hot spring scenic spot is locating in one of the most beautiful eight major coasts in China. The beach has the characteristics of fine sand, slow beach, clear water and flat tide.

With the theme of “Appreciating the sand sculptures by boat, skiing on the sand and grass and suffering the waves, bathing in the hot springs and watching the sea, living in the villas and eating seafood”, the classic entertainment projects: racecourse, shooting range, sand-skiing, grass-skiing surf, beach motorcycle, Flying cars, water trapeze, marine animals, Ferris wheel, carousel, double flying, pirate ship, dream water village, circulation river and so on.

G show Hollywood film and television stunt show: a huge amount of money and the United States Hollywood stunt performance team teamed up to create the world’s top stunt show. The fishing island scenic spot was promoted to the national AAAA level scenic spot in 2019.

Expecting a fruitful 2019, and all the coming years.

written by desander desilter

Jul 22

Tank bottom oil sludge is a kind of waste mixture of oil, water and sand. However, if the oil and water could be recovered from the sludge, a great benefit would be obtained. This week, GN will finish the factory trail assembling and test for one set of oil sludge treatment system for an oil storage tank bottom cleaning project. 

Working Principle of GN Oil Sludge Treatment System

GN oil sludge treatment system is using a series of equipment to separate the oil, water and solid step by step; while in each specific procedure, the separation equipment will be different.

Brief introduction on each module of Tank Bottom Oil Sludge Treatment System.
1. Coarse shaker – a shaker unit is used as the first step separation equipment to remove the coarse solid in the oil sludge. GN uses the linear motion shaker with 2 vibrators to provide an adjustable G force. The hot water spraying tube could be installed on the shaker for better washing of the solids. 
2. Decanter centrifuge – the decanter is installed after the shaker unit for fine solids separation. Slurry treated by shaker contains lot of fine solids that need to be separated out under a higher G force. The decanter is an ideal equipment to do this job. 

3. Inclined plate clarifier – even the decanter centrifuge cannot 100% remove the ultrafine solids in the slurry. GN puts one inclined plate clarifier to collect the slurry discharged from the decanter centrifuge. Multi-plates inside the clarifier will speed up the ultrafine solid sedimentation to the bottom of the clarifier, in the meanwhile, oil and water mixture will overflow to the OWS.
4. Oil water separator – OWS is the last procedure of the separation, here the demulsified oil and water will be separated and guided to different vessel for storage. 

GN tank bottom oil sludge treatment system could also be equipped with dosing system module to make chemical solution that will be injected into the oil sludge for better demulsification performance. For more information on GN oil sludge treatment system, please feel free to contact with GN Solids Control.

written by desander desilter

Jul 18

GN is known as one of the solution provider especially for solids and liquid. One batch of solids control equipment was ready for shipping to a USA client who is doing the solids control business. The equipment included in this order is shale shakers and decanter centrifuge. 

Shale shaker and decanter centrifuge are two type solids control equipment with different working principle. The shale shaker separates the solids by using the wire mesh based on the solids size, while the decanter centrifuge separates the solids using the centrifugal force. Shale shaker is almost used for the coarse solids separation, and the decanter centrifuge is used for fine solids separation. Thus is the step by step separation system, the decanter centrifuge is always located after the shale shaker. 

GN shale shaker is with simple structure design and easy operation. The shaker deck is with full treatment to make is much strengthen to bear a higher vibration force. During transportation of the shale shaker, the shaker deck is fastened by using a fixing block and bolts, after arriving the site and before running the machine, just loose the bolt. GN shale shaker is fixed with composite frame pre-tensioned screen for long working life time. 

GN decanter centrifuge adopts the duplex stainless steel as the material of the rotating bowl for better machinability with centrifugal casting technology for better dynamic balance. For solid liquid separation, GN has a wide range decanter centrifuge models for different capacity and application. GN decanter centrifuge is now widely used not only in drilling fluids solids control system, but also in environment industry like waste treatment and slurry dewatering project. 

GN is able to provide the full series solids control equipment used in drilling mud recycling projects. In the meanwhile, more and more client coming from other industries will apply the solid liquid separation equipment. For more information on GN, please feel free to contact with us.

written by desander desilter

Jul 08

It is the first time for GN to show at OGA, though it is not quite an exhibition for drilling works, it is still very popular in Malaysia, lots of clients came to the show. And in the show the big energy companies like Sapuara also have big booth, many parts suppliers from China showing products to the whole world.

Malaysia’s Oil & Gas show has been running since 1987 and today it has more attendees and more exhibiting companies than any other show in the region. Between 2011 and 2015 the number of exhibitors increased by 44% and the number of attendees increased 48%. The growth in the number of attendees is in part a consequence of Malaysia becoming the petroleum industries regional centre. The growth in the number of exhibitors is in part because 92% of exhibiting companies come back year after year, with many believing it’s the best show they’ve partaken.

Beside the existing business and clients, more people are interested in GN Oil Sludge Treatment system, and tank cleaning system, it is not high technology but it is widely used and during this moment, drilling works is not quite increasing, but the tank cleaning, oil sludge treatment is still important, as environmental protection would be a constant topic.

It is very grateful to have many clients drop by, take some time together, with or without business it is good to have a chance to meet with each other.

Thank you again and keep in touch.

written by desander desilter

Jun 09

GN have designed a complete system for hyro vac slurry separation, believe me people think differently, but we are trying to standardrize our design, some performance proved design.
Below is a rough idea how it works:

  • Slurry Collection Hopper – per client requirement, GN designed a large open top hopper with 3-side weir surrounded, 1 side is low weir for slurry feeding from the vacuum tanker vehicle. The hopper is designed with water spraying pipe system to assist the slurry drop to the hopper discharge port easily.
  • Coarse Screen Module – One unit coarse shaker is installed under the collection hopper for coarse solids separation. Coarse shaker in installed on collection tank into where the slurry will drop waiting for further treatment. The submersible pump installed on the tank is used to transfer the slurry to subsequent module.
  • Fine Screen Module – the slurry treated by the coarse shaker will be pumped to fine screen shaker for small size sand separation, the shaker deck is covered with rubber to prevent the slurry spraying out to contaminate the equipment.
  • De-dilting Module – de-silter is a machine used for finer solids separation from slurry. It has hydrocyclone unit and under flow drying shaker to remove finer solids and make the discharged solids dryer for easy conveying.
  • Decanter Module – the decanter centrifuge is working by centrifugal force to separate solid and liquid. Its rotating part runs at a high speed to produce high G force that can remove the ultrafine solids in the slurry to make the recovered water cleaner.

Contact GN Sales Team for more info.

written by desander desilter

Jun 09

Exhibition: OGA, Oil Gas Asia https://www.oilandgas-asia.com/

GN Booth No.: 7711, in Hall 3 

Location:  Kuala Lumpur Convention Centre Stall 7, Jalan Pinang, Kuala Lumpur City Centre, 50088, Kuala Lumpur

Duration: June 18th to 20th, 2019

GN is with rich experience in design and manufacturing the solids control equipment like drilling fluids shale shaker, shaker screen and decanter centrifuge. Moreover, GN is investing a lot in research and development so that to provide better solution to customers. This year, besides the shaker unit and decanter, GN also brought few new items to the show.

After Beijing, Houston, now here we come to K.L. Malaysia.  Malaysia’s Oil & Gas show has been running since 1987 and today it has more attendees and more exhibiting companies than any other show in the region. Between 2011 and 2015 the number of exhibitors increased by 44% and the number of attendees increased 48%. The growth in the number of attendees is in part a consequence of Malaysia becoming the petroleum industries regional centre. The growth in the number of exhibitors is in part because 92% of exhibiting companies come back year after year, with many believing it’s the best show they’ve partaken.

One product that has received widespread customer attention is the solid vacuum pump. The solid vacuum pump is a product developed by GN in the recent year for the solid and high solids material transportation in the petroleum industry. It is characterized by strong self-priming ability, long transport distance, and ability to transport solids and high solids materials. The solids vacuum pump is widely used in clearing operations, cuttings transportation, oily sludge transportation.

written by desander desilter

May 25

Founded in 2007 and has won since that time the trust of our worldwide operating clients due to consistent market positioning and supply of individual customer tailored solutions in the field of environmental services, and manufacture only top quality products. Today, like then, our field of activity refer to the wide range of environmental protection services, including tank cleaning mud recycling, oily sludge treatment system, we are present where complex problems are and deliver unique modern, complete, effective and best solutions, especially adapted  to our customer’s requirements and locations, and together with our professional support at each project step leads to a proven track record of success.

We develop our operations with focus on natural resources protection and offer the best uptodate solutions, adapted to each customer conditions, with positive results on the environment. We rely on a team of  fully trained experts team working in the field, with experience in solving difficult operations that and require modern treatment methods and equipment. Based on our experience, we understand that each environmental issue is unique, requiring a specific approach and an individual dedicated solution. In this respect, we have developed many different set up of systems, with GN basic equipment, and all the different design, now are very flexible to offer many different customisation for different projects.

For Oil sludge treatment, normal methods used: centrifugation, bio-remediation, washing, solidification, thermal desorption, stabilization, etc. We are specialized in complex technological processes required to treat oil sludge from lagoons, separators, etc. These processes are conducted using mobile equipment integrated in a full technological flow, using additive recipes tested by chemical suppliers in the lab, which is necessary for a high quality separation of  the three phases.We are aware that quality service cannot exist without a high-end technology, so we rely on the most recent and effective equipment, such as three-phase disc centrifuges, vertical separators, chemicals, and trained operators.The advantage of mobile equipment’s consists in the to provide services at the beneficiary’s location, reducing the costs and associated risks of the waste transportation from generation to the processing area.

written by desander desilter

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