Month: February 2023

The 703 shaker screen is a very popular vibrating screen manufactured by GN Solid Control.

Shaker screen options can be discussed by manufacturer engineers, users, and contractors. The replacement of screens should only be selected by the user.

 

Changing the screen after use, if the screen mesh is damaged or needs to be replaced.  Remove the wedge, remove the screen, check whether the adhesive strip is enough, then place the new screen on the vibrating table and fix it stably.

Note: When using a shaker screen for the first time, the tension locking should be removed.  The screen mesh could be loose after working, so the operator should always check the mesh of the screen by hammering the wedge.

To adjust, turning the handle wheel near the spring clockwise will increase the angle. While turning the handle wheel counterclockwise will decrease the angle of the deck.

The scroll screen output angle adjustment can be used in both drive and lock modes. When all the mixers have been delivered, the whisk unit is at 0°. When the user uses the vibrating screen according to the characteristics of the drilling mud and the flow rate, the same screen is used, the larger the angle, the better the processing and the higher the processing capacity. As the drilling fluid exits the vibrating table, increasing the angle of the platform prevents the drilling fluid from migrating.

GNPS703 can adapt to different meshes. Generally, when the vibrating screen is the first step of separation equipment, the vibrating screen can be 30-100 meshes. When the shaker is part of the sludge remover, the screen can shake 80-200 mesh. This equipment can use 10-200 mesh screens.

In order to simplify the installation and removal of the screen, the GNPS703 has developed a quick installation process. The construction is a special type that uses tension wedges to hold the screen in place.  The structure consists of stand rods and wedges. When installing the screen for the first time, we need to check the size of the screen, for example, 1250±2mm, the tolerance should not exceed that. After the rubber slide is fixed, install the screen and stand behind the sliding screen (drilling fluid suction) and drive the wedges evenly on both sides, and push or tighten the wedges with a hammer to make both sides flat. level. Re-tension each screen.

The low density liquid separated from the shaker could pumped into a centrifuge for second separation.

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!