API SHAKER SCREEN

A shale shaker is a screen mesh or a sieve that vibrates. The vibrating shaker screen mesh strains the slurry and liquid out of the mud. This mud is further sent to the mud tank. When the drilling equipment processes finer cuttings, they can usually be collected and recycled by a shale shaker.

The different need for a shale shaker screen is based on different mesh sizes and could be adjusted following the various API mesh number standards.

Mesh size usually is connected with the mesh number (a US measurement standard) and its relationship to the size of the openings in the screen and the size of particles that could pass through the openings. It is very easy to figure out the mesh number. All you need to do is count the number of openings in one linear inch of screen. This count is called the mesh number. A 4-mesh screen mesh means there are four small square openings across 1 inch of the screen. A 100-mesh screen means 100 openings per inch, and so on.

GN Solids Control manufactures shale shakers and screen meshes in the oil and gas industry. We provide API standards shale shaker screens for solids control shakers and mining shakers. GN shale shaker screens are compliant with API RP 13C.

What API Size Shaker Screen is available from GN?

D 100 Separation(Micron)	API Screen Number
>1850.0 TO 2180.0	API 10
>780.0 TO 925.0	API 20
> 462.5 TO 550.0	API 35
> 390.0 TO 462.5	API 40
> 275.0 TO 327.5	API 50
> 231.0 TO 275.0	API 60
> 196.0 TO 231.0	API 70
> 165.0 TO 196.0	API 80
> 137.5 TO 165.0	API 100
> 116.5 TO 137.5	API 120
> 98.0 TO 116.5	API 140
> 82.5 TO 98.0	API 170
> 69.0 TO 82.5	API 200
> 58.0 TO 69.0	API 230
> 49.0 TO 58.0	API 270
> 41.5 TO 49.0	API 325

 

How many types of shaker screens does GN have?

According to the factory stock, there are at least 3 kinds of screens: flat stainless-steel screen, wave stainless screen, and Polyurethane sieve plate. We don’t use API to describe a sieve plate. But Polyurethane sieve plates are also widely used in exploring industries.

Now, GN is able to provide replacement screens for nearly all widely known international shale shaker brands in the drilling industry.

1. GN uses robots to weld the internal steel frame to ensure consistency.
2. GN has its 3-layer design of API 60, while other suppliers in China use API 120.
3. The outer plastic material is 100% new and clean, not recycled materials.
4. The wire mesh is pre-tensioned so that the surface of the screen is stronger.
5. GN screen can be repaired with a screen rubber stopper when the damage is less than 10% of screen mesh.

All in all, GN screen meshes are well-designed and welcomed around the world. If you have a solids dewatering project and need replacement screens, don’t miss GN Solids Control!

 

 

GN Solids America is committed to protecting the environment and complying with environmental discharge regulations. Especially in drilling fluid recycling applications, GN solids control equipment could maximize the recovery of drilling cuttings and recover fluids. GN small decanter centrifuge is mainly used in diamond drilling and core industry to remove fine solids in fluids.

 

The GN decanter centrifuge combined with other solids control units forms a complete dewatering system. At the remote drilling site, our dewatering system allows drilling contractors to reduce the amount of wastewater and water transported. The complete dewatering system can fully recycle contaminated drilling fluids and recover clean water. The Vibratory Screen functions as the first stage to launch large, aggressive particles. The GN decanter centrifuge is normally installed at the end of the dewatering system to remove fine solids and obtain clean fluids. Here are some reasons why many drilling companies choose the GN centrifuge. Small Decanter Centrifuge

Advantages of GN Small Bowl Centrifuge

 

1. GN core and diamond drilling decanter centrifuge is a 9” bowl centrifuge that occupies a very small size and fits the restricted drilling site.

 

2. 3800RPM is capable of removing 2~5 micron solids in fluids. We also offer Fixed Speed ​​Control Panel, Variable Frequency Drive（VFD） Control Panel, Standard Motor and Hydraulic Motor to meet or exceed customer expectations.

 

3. We use high-standard duplex stainless steel to manufacture the centrifuge, and high-quality and durable bearings are also installed in the decanter centrifuge.

 

4. The GN centrifuge can efficiently remove finer solids and control the weight or density of fluids, thus obviously improving ROP.

 

Except for drilling and diamond applications, GN centrifuges are also used in oil and gas drilling fluid industry. We have 14″, 18″ and 22″ bowl centrifuges to meet different requirements. Contact GN for more information.

The GN Compact Solids Removal Unit (SRU) is used for solids control of drilling fluids for small mining rigs for diamond drilling. Instead of using traditional drilling sumps, the GN Solids Removal Unit is described The GN Solids Removal Unit (SRU) is used for solids control of drilling fluids for small mining rigs for diamond drilling. Instead of using traditional drilling sumps, drilling contractors and resource companies in the drilling industry describe the GN Solids Extraction Unit as the way of the future. The closed loop drilling fluid system is a cost-effective solution to reduce environmental impact and greatly improve the efficiency of drilling operations.

Working principle of the GN solids removal unit

Drilling fluid circulates directly from the drill collar to the GN Mini Shale agitator for first-stage solids removal. And a positive displacement feed pump carries drilling fluids below the agitator tank to feed the GN mini decanter centrifuge for fine solids removal. Clean drilling fluids are returned to the drilling hole for reuse. The highly mobile unit also incorporates a mixing chamber and mixing hopper and pumps, allowing chemical drilling fluids to be added accurately and efficiently. The GNLW223 Baby Centrifuge is the world’s smallest decanter centrifuge for treating drilling fluids. It is popular in the diamond core drilling industry.

 

Features and Benefits of the GN Solids Removal Unit

Process capacity: 0-150 LPM

Reduction of drilling fluid consumption by more than 40% Autonomous unit with agitator, centrifuge, pumps, mixing, tanks and generators (optional).

Environmentally friendly, no drilling of wells: reduced water consumption

Reduces site installation and repair costs

Reduced downhole rig costs by improving diamond drill bit/rod life.

GN Solids Control manufactures the decanter centrifuge for the profitable production of fruit juice, direct juice, and vegetable juice. The high-quality machine is designed to achieve high production output with lower costs due to reliable operation, lower maintenance, and service cost. GN has developed other lines of processes in which it diversifies its processes to the one it has been working on normally directed at solids control equipment.

Typical fruit and vegetable juice process

• The vegetable or fruit is fed to a mill by means of an elevator for grinding.
• The belt press is washed with water and separates the fluid into a liquid phase and solid phase.
• The solid phase is sent to the vibrating screen and the liquid phase is sent for enzymatic treatment.

After treatment, the liquid phase is sent to a decanter centrifuge to produce fruit or vegetable juice.

However, among the above processes, many other treatments and processes are involved to meet the quality and standard for beverage manufacturing.

Advantage of GN Decanter Centrifuge to produce fruit juice and vegetable juice:

• Optimize juice extraction to maximize the yield of fruit juice and vegetable juice.
• Reduction of the content of settleable solids and improvement of the quality of the juice generate more benefits for the producer.
• Optimum clarification of fruit juices, and vegetable juices with a reliable machine with lower maintenance and operation costs.
• High-efficiency Decanter Centrifuge and beverage-making machine to adapt to different plants.
• Worldwide distribution partners in the juice manufacturing industry.
• High-quality stainless steel is made from centrifugal casting for durability and long life.
• Less space, clear design, easy access, and less maintenance to minimize the cost of installation and operation.

Popular fruit juices include orange juice, grapefruit juice, strawberry juice, apple juice, grape juice, pear juice, mango juice, peach juice, apricot juice, kiwi juice, hawthorn juice, pineapple juice, guava juice, passionflower juice, tomato juice, fresh carrot juice, etc.

Popular vegetable juices include fresh carrot juice, celery juice

cabbage juice, cucumber juice, tomato juice, and pumpkin juice with honey. Normally, vegetable juice is a juice made from all kinds of vegetables.

The functionality that GN offers in its centrifugal decanters in its wide range of models allows preventive maintenance to be carried out over longer periods and with less economic impact, allowing the end customer to maximize their production costs; Seeing GN Solids control equipment as the best option, a safe and guaranteed investment in the short and long term.

 

GN Solids Control manufactures a complete line of equipment for the control, separation and transport of solids, including decanter centrifuges (2-phase and 3-phase), disc separators, shale shakers, screw filter presses, etc. Much of the equipment needs the explosion-proof capability to be able to work in hazardous operating conditions.

Due to this requirement, GN Solids Control manufactures blast control panels for the applications. A typical application is the decanter centrifuge in oil and gas drilling.

For such an application, GN Solids Control provides an air-conditioned control panel. This type of control panel can work up to 55 degrees Celsius.

This type of panel uses an airtight, corrosion-resistant stainless steel casing. Compressed air is fed into the control panel to establish a positive pressure so that the explosive gas cannot enter the control panel and thus an explosion does not occur.

Inside this control panel are all the control elements. The most important is the PLC.

GN Solids Control standardized PLC, uses Omron or Siemens, and is moving to use only Siemens PLCs and touch screens.

The control panel also houses the VFD. Due to the high power of VFDs, it is necessary to use a large enclosure. Good ventilation is imperative for such an application.

The advanced control program is used in the said control panel. It will control the decanter centrifuge, it will automatically and continuously optimize the parameters of the decanter centrifuge so that it always works in optimal conditions according to the predefined target. It also monitors the temperature and vibration of decanter centrifuges to protect your safety. GN Solids Control also provides an optional monitoring kit to provide real-time analysis of bearings and alerts once anomalies are found by the PLC through its advanced algorithm.

The GN Solids Control Dashboard also provides other functionality please contact GN Solids Control for more information.

 

GN Solids Control has within its line of development the manufacture of complete mining sludge treatment systems for clients in the mining industry. As a leading manufacturer of solids control equipment and waste management treatment systems, GN Solids Control has provided products to more than 70 countries.

In the mining area, some customers use high-pressure water to wash minerals, because those finer particles are also very expensive, they also need to recycle small particles. This GN mining sludge treatment system is used to recycle expensive particles. It mainly includes the following three parts:

1. GN High G-Force Vibratory Screen

A vibrating shaker is one of the most used treatment equipment for the separation of solids and liquids. Using the high G-force (up to 8.0 G), the slurry separates on the shale shaker screens due to gravity differences between the solid and liquid. GN Solids Control manufactures thousands of vibrating screens each month. Many replacement screens are used on Mi-Swaco, Derrick, NOV, FSI and Kemtron shale shakers.

2. GN decanter centrifuge

The GN centrifuge is the second stage of treatment. After treatment with a GN Hi-G agitator, solids larger than 100 microns can be separated, while smaller solids or particles need to be further treated using 10-inch or 4-inch GN cyclones. Sometimes GN decanter centrifuges are directly used to separate the particles larger than 2~5 microns. Here GN recommends using an 18-inch rotary bowl centrifuge, which is GNW452. GN centrifuges are widely used in various areas, many big customers like Shell, Baker Hughes or Bariod are using GN centrifuges.

3. GN mud tank

The GN Hi-G agitator and centrifuge are mounted in the mud tank. And there is also a screw feed pump (feed decanter centrifuge) fixed on the side tank.

With this compact design, the GN mining sludge treatment system can be easily moved between different sites.

 

Biofuel is a clean and renewable energy source. It is a renewable diesel fuel made from oil crops, wild oil plants, aquatic plant oils such as engineered microalgae, animal oils, food craving oil, and other raw materials through the process of transesterification. It is a high-quality substitute for petroleum and diesel, also known as “renewable oil”. The supply of biofuels is not controlled by OPEC, it is not restricted by mineral reserves, and it is cheap and stable. It plays an important role in the process of improving national energy security and environmental protection. Biofuel is a typical “green energy”. Developing biofuels is of great strategic importance for sustainable economic development, promoting energy substitution, reducing environmental pressure, and controlling urban air pollution. The GN decanter centrifuge and disc separator play an irreplaceable role in the biofuel processing process. It can be used not only for solid-liquid separation but also for liquid phase clarification and liquid-liquid separation of different densities, so as to obtain better biofuel and meet fuel requirements by indicators.

 

GN 2 and 3 phase decanter centrifuge:

• GN has a 2-phase decanter centrifuge and a 3-phase decanter centrifuge, which can be applied to different process targets in biofuel production. GN 3-phase decanter centrifuge is commonly used to process the raw materials before 3-phase esterification and separation of free fatty acids, glycerol, and salt precipitates (such as potassium sulfate in glycerol treatment). The 2-stage decanter centrifuge is often used to re-wash salt precipitates, such as the separation of potassium sulfate produced in glycerol treatment.

 

GN 2 and 3 phase separating disc:

• GN has a 2-stage disc stack separator and a 3-stage disc stack separator. The 2-phase disc stack separator is mainly used to clarify solids in the liquid phase, while the 3-phase disc stack separators can separate liquids with different densities, at the same time discharging the solid residue. In the biofuel production process, a three-stage disc stack separator is generally used to separate glycerin water from fatty acid esters and biodiesel washing. 2-stage clarifier disc stack separators are used to separate solid impurities from biofuel. Compared with the decanter centrifuge, the advantage of the disc stack separator is that the separated biofuel is cleaner and more complete. The disadvantage is that it is not suitable for high solids materials or materials with very large particles. Therefore, the decanter centrifuge and the disc stack separator are often used in the processes before and after biofuel production to achieve the optimal comprehensive goal.

COMMON APPLICATION OF THE BIOFUELS INDUSTRY:

 

Fuel ethanol processing technology: corn/cassava, milling, saccharification, hydrolase, fermentation, crude distillation (fuel ethanol), distiller’s grains, separation and dehydration (distiller’s grains as feed), fine distillation, condensation, fuel ethanol. In the separation and dehydration process, the GN C series high-speed decanter centrifuge is used to dehydrate distiller grains after crude distillation. C series high-speed decanter centrifuges are more comprehensive in separating and dehydrating distiller grains after crude distillation, with low residue alcohol content and high alcohol recovery. At the same time, the energy consumption of the follow-drying slag is low, which saves costs. In the biofuel processing process, the GN disc stack separator is abundantly used in methyl ester, glycerin, catalyst, soap removal, methanol, water washing methyl ester, fatty acid extraction, glycerin field desalination, and others.

The specially designed GN decanter centrifuge for plastic recycling allows the customer to make new products from used or dirty plastic. And also this processing is an environmental solution for plastic waste. The advantage of the GN centrifuge for plastic recycling is to have a high purity of grades after processing.

 

The typical process of Plastics Recycling by GN Centrifuge:

• Plastic waste with air bubbles, surface effects, or dust will be cut into small pieces and sent to the conveyor’s storage hopper.
• The screw conveyor will transfer the residual plastic to a plastic washing tank.
• The mix in the wash tank will be transferred to feed the GN centrifuge for fast and efficient separation. The separated plastics are obtained with a significantly higher degree of dryness.

GN separation equipment and centrifuges can provide customers with solutions for the separation of mixed plastics and sheets, recycling of plastic fibers, processing of PET flakes, and hollow bodies of ground material. In addition, GN’s centrifuges and separation equipment can assist customers in the treatment or processing of medical plastic granules, carpet fibers, production waste granules, and returned containers. In addition, GN decanter centrifuges are also popular for recycling cable jackets and insulation.

 

GN branches or partners around the world can offer you local services for your plastic recycling business. PLC-controlled centrifuge allows our customers to have high separation precision and higher purity of the final product. The adjustable G-force machine provides the ability to separate different materials even for particles smaller than 1mm. Continuous operation with less labor and less maintenance means less investment and more return. Free technical advisor before order and rest assured that after-sales services bring more satisfaction to our customers. This is one of the main reasons why GN solids control has more repeat customers.

The development of the chemical and pharmaceutical industries is of great importance to human welfare, where mechanical separation and conveying equipment have been widely used. The decanter centrifuge and stack separator discs can be used to extract specific chemicals, classify and dehydrate chemicals and pharmaceuticals, and separate liquid mixtures of different densities. GN various transportation equipment and vacuum pumps for solids are also used in the transportation of chemical materials. In the chemical and pharmaceutical industry, users have a high demand for safety and stability. GN is committed to providing high-quality products to meet the requirements for safety and efficiency of operation. For these industries, GN took the best step forward to ensure product safety and reliability in product design and development aspects.

Separation and extraction of API (active pharmaceutical ingredient), pharmaceutical intermediates, teas, honeysuckle, Chinese yews, vitamin B5, pig brain protein, intestinal capsid, etc. API extraction process: network preparation, cutting, processing, drying, grinding, extraction (water extraction or solvent extraction: organic solvents such as ethanol), solid-liquid separation, ultrafiltration, concentration by evaporation (solvent recovery organic), drying, grinding, screening, packaging, sending to the preparation workshop for solids or liquids. In the solid-liquid separation process, GN C series explosion-proof high-speed decanter centrifuge or high-speed disc stack separator can be used to separate and remove impurities after alcohol precipitation to that the active ingredients dissolve in an ethanol solution; followed by high-temperature distillation of ethanol and complete separation of pharmaceutical ingredients. GN GNZS series vibrating screen can be used in the separation process

GN Solids Control manufactures centrifuges for the production of wine and beer to produce high-quality wine and beer. The function of the GN centrifuge is to perform separation and clarification during the production of wine and beer.

Wine production centrifuge

Must clarification and lees processing is very important for wine making, the GN decanter centrifuge can be used to clarify solids from liquid phases. Instead of using a rotary vacuum filter to perform the clarification, centrifugal decanter separation allows the must to remain in contact with the lees for a shorter period. As a result, the centrifuge minimizes the negative effects of the lees on the quality of the must, since the lees usually have a high phenol content. Compared with the conventional diatomaceous earth process, decanter centrifuge separation produces less waste in wine production for disposal with easy operation and lower maintenance cost. Cost-effective NG centrifuges offer decisive economic benefits in general for wine producers. The solids discharged from the GN wine processing centrifuge can be used as fertilizer for the vineyard. PLC and HIM automatic control centrifuge reduces processing time, ensuring efficiency for wine production. Quality is a fundamental factor for wine producers because the GN decanter centrifuge uses high-quality stainless steel, resistant to corrosion and acids, made from centrifugal casting or forging. The GN decanter centrifuge can meet the most stringent hygiene requirements. Finally, the bottom line is that the effective separation and clarification of the GN centrifuge for wine ensures producers have high-quality products.

 

Centrifuge for brewing

GN beer processing centrifuge is the best choice to produce high performance with consistent beer quality. In brewing, GN centrifuges can be used for a variety of applications including dehydration of beer grains, recovery of wort from hot trub, clarification of beer prior to filtration, recovery of beer from leftover yeast, separation of green beer, defined adjustment of turbidity, reduction of brewery wastewater. The GN centrifuge specially designed for brewing is the ideal choice for those applications. GN Customized Beer Centrifuge can meet the specific requirements of the brewing industry to reduce the cost during brewing. In addition, it is considered that our experienced engineers always have the product that can reduce beer losses, minimize wastewater and avoid fluctuations in the brewing process.