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Shaker Screens

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What are shaker screens?

Shakers are a must-have for any solid control company. Shaker screens are a control device used to separate solids from liquids, typically sand or other heavy materials.

Shaker screens on a shale shaker work by suspending the solid material in fluid and rocking it back and forth through a screen mesh until they become separated.

Shaker screens are designed to capture all of the solid particles and allow any excess mud to pass through.

PLC manufactures our own shaker screens and are API RP 13 C compliant. PLC screens are designed to maximize open area on existing major brand shakers and offers higher performance solids removal, more control and lower screen costs.

Types of Shaker Screens

When it comes to shale shaker screens, the differences in screen design can have a big impact on what type of shaker you are going to need for the job.

In general, shaker screens come in two different designs: needle and woven wire mesh.

Most shaker screens are made with a needle design because it is easier to weave finer meshes of needles together versus using thick metal wires.

However, if you need larger holes for screens that are going to be used for heavy solids, you’ll need a woven wire mesh.

Benefits of Shaker Screens

Solid separator screens offer a number of benefits including: increased production, reduced downtime for maintenance, improved quality control during drilling operations, more accurate measurement readings.

In addition to these benefits, shaker screens help with the separation of solids from fluids so that they can be reused or disposed of easily without affecting the other people in your company's operations.

Shaker screens also allow drilling operations to continue even with high turbidity levels.

Maintaining Shaker Screens

To ensure good shaker screen performance, it's necessary to maintain them properly.

The precise filtration accuracy allows for control over the size and content of solids being screened.

Make sure to choose the correct mesh size selection for drilling and check the screen surface regularly.

Checking the shaker's condition is also important, such as the tensioning system's condition and sealing strip.

Post shut off,  remove screen panels and clean them with water, eliminating abrasion on the screen and storing them in a dry place.

Installing Shaker Screens

Shale shaker screens installation requires minimal time or effort.

  1. Prior to installing the new screen, wash down the screen support area.
  2. Replace worn or missing screen seals, screen supports and crown rubbers.
  3. Shale shaker screen seals must be replaced in pairs and crown rubbers in sets.
  4. Carefully lay in the new pre-tensioned screen panel and install the screen wedges in the designated slots on each side of the basket.
  5. Lastly, check that the screen wedges are tightly secured.
 

Solid Separation Control

A solids control system is an installation of several solid-liquid separators used in a series. The function of the solids control system is to remove suspended material from a liquid, such as oil or water.

The first element of a solids control system is usually a screen with a surface designed to retain the most common particles.

Industries Who Need Solid Separation Control

The increase in the number of drilling and manufacturing activities for the oil and gas industry has driven market growth for shale shakers and shale shaker screens.

Shakers are used in oil and gas drilling for cleaning the drilling fluid. They remove the drilling liquid from large solid waste so it can be recycled and reused.

However, shaker screen manufacturers also construct screens for for the solid removal of mining, plastics, sand, dirt, pulp, chemicals and precious metal waste disposal.

Equipment Used for Solid Separation Control

Solid separation control is used for the recovery of a valuable solid component, liquid recovery, recovery of both solid and liquid, or the recovery of neither.

There are many solid/ liquid separation techniques and equipment which have established value for solid separation control companies, below a few of them:

  • Classifiers - hydraulic, mechanical, screens, sieve bends
  • Gravity, Live, Magnetic, Pressure, and Vacuum Filters
  • Hydrocyclones - conical, circulating bed
  • Sedimenting and Filtering Centrifuges
 

Shaker Screen Bolts vs
Carriage Bolts

Shaker Screen Bolts

Shaker Screen Bolts are full thread carriage bolts. They feature a low profile head and are designed for wood-to-wood or wood-to-metal applications.

When used in square punched holes, they prevent turning when nut is tightened. They allow for flexible installation and can be installed from the nut side of the assembly.

Carriage Bolts

Carriage Bolts are also known as square neck, round head bolts. Their square neck on shank is designed for use in square punched holes which prevents turning when nut is tightened.

Short Neck Carriage Bolts, like regular carriage bolts, are designed to stop rotation when the nut is tightened. Short Neck Carriage Bolts are used in sheet metal applications where a standard sized neck would cause an obstruction.

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