GN 3 Phase Decanter Centrifuge for Waste Oil Recovery

Keeping improving is the major feature of GN Solids Control, and this could be proved by the continuously issued new products in GN’s line sheet. Just shortly before, GN published the 3 phase decanter centrifuge on the official website to tell customers that GN is able to provide this type decanter centrifuge which is very popularly used for recovering the waste oil.

The slurry treated by the 3 phase decanter centrifuge is consisting of two kinds of immiscible liquid, always water and oil, and solid. The 3 phases need have different density so that the centrifuge could separate much easier, as all the horizontal decanter centrifuges are separating the phases by centrifugal force.

GN’s 3 phase decanter centrifuge structure is not big different with 2 phase model. The difference is how the liquids discharged out of the centrifuge. The solids in the slurry should have much higher density than the liquid, and then the solids could be easily separated out, which will increase the efficiency of the separation process. Higher density liquid will be discharged out under the pressure, while the light liquid will flow out from the liquid discharge ports at the bowl end face.

3 phase decanter centrifuge is mainly used in separation of oil sludge containing oil from refineries. Oil refineries have many holding tanks for oil need cleaned regularly, always the operator will used high pressure water to flush the bottom of the mud tank, and this type mixed slurry is the main source of the material treated by the 3 phase decanter centrifuge. Some other industries like food industry, edible oil production, biofuel production etc will also widely use 3 phase decanter centrifuge.

GN solids control now could provide the 3 phase centrifuge with bowl size of 14 inch, 18 inch and 22 inch. Any of your inquiry about other equipments such as shale shaker, mud agitator, mud gas separator , shear pump etc. is welcomed.

HDD Mud Recycling System with Decanter Centrifuge

HDD drilling is short for horizontal directional drilling project, it is widely used for the pipeline work for the oil and gas transporting and etc. Normally, the drilling mud recycled from the HDD machine is to be reserved in a mud pit and the mud cleaning system, which is used to treat the mud to be next time use, treats the drilling mud from the pit and storage the well done mud in the tanks.

Equipment needed for the HDD mud recycling system:

In a traditional HDD mud recycling system, there arenormally 3 phase of separation equipmentincluding shale shaker, desander cones, desilter cones and mud mixing unit for adding new chemicals into the drilling mud, normally 2 jet mixing hoppers and mixing pumps. But now, as the environment demands and the cost pressure for the contractors are becoming more and more important, a lot of HDD contractors are taking decanter centrifuge into consideration in order to get better separation result and lower the mud weight.

What is the main function of the decanter centrifuge used for the HDD drilling mud system?

1.       The centrifuge helps to minimize the negative effect on the environment.

2.       The centrifuge helps to reduce the weight of mud.

3.       Centrifuge helps to lower down the total cost on mud.

GNLW452C or GNLW452C-VFD is a very suitable model of decanter centrifuge to be used for the HDD mud recycling system. It is big bowl centrifuge of 18 inch bowl diameter and the speed of 1800 RPM is efficient for the HDD works, in China, the largest HDD contractor CPP, always use GNLW452 in their mud cleaning systems.

The centrifuge feed pump could transfer the mud from the storage tank to the centrifuge and after the separation, the mud could directly fall back to the same tank, cycling like this helps to reduce the mud weight. Or, there could be another storage tank to collect the drilling fluid from the centrifuge.

Welcome to contact GN for more suggestion and learn more information about other equipment such as mud gas separator, shear pump, mud mixing system and drilling waste management equipment..

GN Solids Control’s products naming rules

GN Solids Control is a world famous company and brand in the solids control and drilling waste management industry. Now its business range spanning from shale shakers, mud cleaners, decanter centrifuge, cutting dryer, vacuum degasser and so on. GN could be your one stop shop in the solids control and waste management area. Its product application covers from oil and gas drilling, HDD and CBM drilling, bored pile and TBM drilling.

Today I will introduce two naming rules to you, the vacuum degasser and decanter centrifuge. For the vacuum degasser GNZCQ360A, GN means the company name, ZCQ means the equipment is with a vacuum pump to help separate the mud and gas, 360 means the processing capacity is 360 cubic meter per hour. A means it’s the first generation and later we will upgrade it periodically as technology improves.

For the decanter centrifuge GNLW363CG-VFD, GN means the company name, LW means it is horizontal axled centrifuge, 363 mean the centrifuge’s diameter is 360 mm, and the ratio of the length and diameter of the bowl is 3, C means it is the third generation of the machine, G means it is high configuration with many super features, such as the bowl is made from duplex stainless steel 2205 by centrifugal casting, there is tungsten carbide tiles on the surface of screw for longer life, the bearings are made by SKF, the screw flow distribution port and bowl solid discharging port are protected by ceramic insert and so on. So more and more customers like this high configuration cause it’s more reliable and rugged. VFD means variable frequency drive, this feature can make it providing consistent and effective solids control in a wide range of drilling fluid types and drilling conditions. This automated control system can adjust bowl and conveyor speed as well as the feed rate to optimize it for the most efficient solid control in a wide range of drilling applications.

That’s the basic introduction of the naming rules for vacuum degasser and decanter centrifuge. Hopefully it will be useful to you.We will try our best to assist your business to be successful. Welcome to visit www.gnsolidsamerica.com and please send your inquiries to USA@gnsolidscontrol.com

GN Solids America LLC's drilling fluid management during the winter cold weather

The installation of solids control drilling mud cleaning system to meet the oil well drilling requirement in different stage of well drilling. The drilling fluid tanks mixer, butterfly valves need to be easy to use.

Base on the provisions of the garbage pit dug well, the size of garbage pit cannot be smaller than requirements of the design.

To make sure the safety of operators, it needs adjusting calibration of rotation direction of the motors that connected to the spindle flange ring. The start use of desander and desilter, and the drilling fluid decanter centrifuge before pre-heating of steam pumps and the pipelines.

The circulation of the drilling fluid, it reserves and distribution system work of insulation.

The ground measurement, maintenance and the handling to ensure the stability of performance of drilling fluid is base on strict implementation of the design of drilling fluid program that strengthen the daily management of the drilling fluid.  

The slurry and bentonite must be pre-hydration of 24 hours.

The filtrate loss reducer and plugging agent to add amount to be enough to maintain the stability of the borehole by increase the drilling fluid input. 

The personals that work on drilling fluid recycle system need to be increase compare with the drilling operation in the summer time by use mud scraper, blowout prevention box to reduce the waste.

Make sure strengthen the drilling fluid material reserves and management works, the reserves should be sufficient to prepare more than 50 cubic meters of drilling fluid.

The timely manner to remove the drilling cuttings in both desander and desilter cones to make sure that the conical tank liquid discharge port clearance.

To complete testing variety of drilling fluid equipments ensure ease of use for drilling mud recycling system operators.

GN Solids America LLC's drilling mud cleaning system export to more than 60 countries where operation weather can be both extreme hot like Middle-East region and extreme cold region like Russia and in both extreme condition, the mud recycle system is operational like normal.  

One Team, One Dream-GN Excellent Staff Awarded Trip to Thailand

Last week, a team of Chinese visitors arrived to Thailand to enjoy a one week journey to another country as an award from the company, they are from GN Solids Control, China, and their company is the Top manufacturer in drilling solids control and drilling waste management in China.

Look back to last year, the economy is always a tragic topic, but even in this year, GN Solids Control did a good work and got satisfactory result as following:

1.       GN Solids Control was awarded High-Tech Technology Company from the government.

2.       GN Solids Control got big order from world giant oil service companies, even in the bad economic situation.

3.       GN updated model of Decanter centrifuge, Vertical cuttings dryer and shale shaker were put on show in March in Beijing.

4.       GN second factory was put into use with advanced producing equipment and GN new screen producing line was ready.

GN Solids Control is a 100% private owned company, but GN’s boss never thought to keep the wealth to himself. He is a man who likes to share. It is GN’s tradition that at the annual celebrating party, company gives award to the excellent employees, mostly are bonus in cash and each year, there are special fund for buying cars for excellent staff or directly gives a car to some. He encourages his staff to enjoy the life and suggest them how to enjoy it. Last year, besides the car, the bonus and cash, there’s a new award as to have a trip outside China.

Last week, some GN staff went to Thailand to relax and have a good time, in near future, another team from GN will go to Europe.

We have reason to believe, a good company is a good team, a team who share same dream and goal. Let’s do things better.

GN shale shaker in USA

GN received the customer high praise, and May on the oil as well as natural gas mining contractors web site published articles about all of our equipment performance, editor is actually Ken westcott (Ken Wysocky). GN can sieve received the customer high praise, including May on the oil as well as natural gas mining contractors web site published articles about the equipment performance, editor will be Ken westcott (Ken Wysocky).
The title of the article is actually: the vibrating screen devices to help California contractor be ahead in the industry of the speed of oil field.

"Matt reyes, everytime their solid control equipment into a drilling site the risks are usually high, the bottom line is: keep speed or to give way to other vendors can, our solution is GN America four screen associated with drilling fluid shale shaker.
In the oil field marketplace, oil field service organizations, especially those who provide providers and dehydration of solids control equipment company, a great name for business; And more significantly your equipment as well as your track record. If your equipment is broken, the particular drilling companies in in addition won't give you a call.
"CGE with solid control in addition to dehydration services for a variety of sectors, including oil drilling businesses. Reyes said that the company can purchase GN shale shaker initially was a year ago. Then the main appeal is it is competitive price. But reyes soon discovered that the machine overall performance is very good, this also describes why CGE has 15 of the champions league in order to equipment now - or maybe occupy half of its discuss of the shale shaker, he or she points out. "

When considering began investing in GN shale shaker, is the price to attract the shoppers, and finally, customers can observed shale shaker can achieve functionality requirements of the regulations, motivating the customer from the champions category can buy more equipment.
"Performance of the key factors would be that the liquid flow rate as well as the G force on the screen; the liquid flow level and the higher G power, can be and the higher the speed of per hour. GN can easily quadruple sieve sieve exhibited capacity is 140 hourly, exciting force can arrive at 8. 0 G, gear performance is of critical importance in both areas, reyes said. Many companies, said they can give you so much G drive value, but when you do the motions analysis, it almost can not the actual requirements, " he explained. But the GN can make it tools. "
This customer includes a GN shale shaker in addition to mud cleaner; Mud cleaner with the shale shaker has got the same design for drilling cuttings from the cyclone separation involving dry. Sieve frame essential heat treatment to make it have sufficient strength to run on 8. 5-8 g force. Plan beam welding in the durability of the side walls increased the screen again. A number of pieces of screen mesh by means of 8 wedge firmly repaired on the bottom frame. Bottom body is made of stainless steel has a great deal better antiseptic function. 2 . 73 square meters of GN can sieve screen region made 140 M3 ability, when using the API 40 nylon uppers screen. Users can based on need to use the corresponding nylon uppers screen, depending on their drilling how much sand, clay and also other materials.


"Overall, reyes told me to buy GN equipment is an effective investment. Reyes said: inch you need to recover the cost. Have you any idea? And they did it. According to the utilize, we sometimes run a system for six months, almost can easily earn back the cost. Next is profit. "


GN in its reliability picked up compliments; The first device to sell for this customer 24 hours of steady operation for 3 months, with no problems. Contractors want to make the profit in the fierce level of competition, GN manufacturing high rate of solids control products and drilling waste management equipment are a good choice.

GN Traditional Decanter Centrifuge Shown in Tehran

Last month, GN Solids Control attended Iran Oil Show, which was held in Tehran, Iran, during May 5^th to May 8^th, this yearly oil and gas show attracted a lot of visitors from all over Iran. Some companies’ top management came from Ahwaz, Kish and other oil fields in Iran and some are from other countries. Also, since last year, US lifted the sanction on Iran to some extent, Iran became one of the hottest expected market, many European companies are bring their equipment and service to Iran.

As leading solids control manufacturer, GN Solids Control is one of the top brands in IRAN oil and gas industry. And this time, the Decanter Centrifuge GN showed in the exhibition is the traditional model, which is well accepted by Iran clients.

What are the main specifications of this decanter centrifuge?

1.       Model of this decanter centrifuge is GNLW363CG, it is the 3^rd generation of GNLW series decanter centrifuges.

2.       Bowl diameter of this model is 14 inch, this is the most commonly used bowl diameter, like Derrick DE1000 and Swaco 518, they all of the similar size.

3.       Bowl length is 50 inch, so the ideal length-diameter ratio 3 is suitable for oil and gas industry.

4.       High speed up to 3900RPM in design and normal working speed is 3200RPM. By applying different pulley and belt, this centrifuge could work at other speed options.

5.       Best material for this application, as SS2205 as bowl main body, tungsten carbide tiles for impeller protection and special ceramic for solids discharge ports.

6.       Top brand parts like SKF Bearing, SIEMENZ, Schneider and ABB electrical devices.

For this model, GN also has flame proof VFD controlled and positive pressurized VFD control panel for option for the end user to achieve different speed at jobsite.