Month: October 2019

GN solids control will participate in India HDD exhibition held in December, 2019, Welcome to visit our stand at NO DIG SHOW or make an appointment by Teresa@gnsolidscontrol.com .

Show Name: NO DIG INDIA SHOW 2019
Show time: Dec. 11th & 12th, 2019
Show address: New Delhi, India

Recently we shipped one unit of 200gpm mud recycling & mixing system to Bahrain for HDD projects. This is a compact design mud system with cleaning, recycling, mixing and storage function. The system is consist of double deck shale shaker with desilter cone, 1 unit of desilter feeding pump, 1 unit of mixing pump, 1 unit of venturi hopper, 1 unit of mud tank. Below is the photo for GNMS-200G mud system.

We also have compact design mud cleaning system GNMS-200D with 200gpm mud system, this system is with cleaning function only, and the storage capacity is very small, this economic configuration unit is normally used for TBM & Piling project.
Below is the photo for 2 sets of construction slurry dewatering system for America Client shipped in June. This is to treat the construction slurry from vacuum tanker vehicle in USA. Including:

1) Slurry collection hopper to collect from vacuum tanker vehicle.
2) Coarse solids separation shaker to separate big solids from the construction slurry
3) Fine screen shale shaker to separate small solids from the slurry
4) Mud cleaner with desilter cone, the cut point is 25 microns
5) Decanter centrifuge with feed pump, the separation cut point is 2~ 5 microns, the high speed decanter centrifuge produce G force up to 3062G to separate the fine solids, the max rotary speed is 3900rpm, the normal working speed is 3200rpm.
We can provide customized solution for HDD,CBM, Piling, Tunneling and construction industry projects, welcome to contact with GN solids control.

Below is the working photo of oil sludge separation system at site, they install the complete unit under the awning to proof the sunshine, rain, snow. The most essential component is 3 phase separation modular, which consist of below equipments:

1) 2 phase decanter centrifuge to separate solids from fluids, to make it easily separation, the operator can add chemicals to the static mixer through chemical dosing system and then to centrifuge feed tube, the chemicals will accumulate the solids size for easier separation by decanter centrifuge.
2) The fluids discharged from decanter centrifuge will flow to a intermediate tank, then a small diaphragm pump will pump the mixture fluids to a disc centrifuge to separate the oil from water. The clean fluids will flow to a oil tank for temporary storage, once it reach the limit level, the oil pump will pump to a big storage tank automatically. The water will pump also be pump to a water storage tank automatically when reach the level limit.

3) By adding proper chemicals, the recovered oil BS & W below 3%,the discharged solids with oil content can be treated to 1% o 2%. The recovery water with oil content below 1000 ppmv, if the client need it to be below 30 ppm, we need to use further oil water separator after 3 phase centrifuge also by working with proper chemicals.
4) All the equipments, liquid level meter, intermediate tank, lightings, are installed on the same skid for convenient transportation and operation. Proper lifting points are provided on the four corners of the skid.
The other modular including oil sludge transfer modular ( vacuum pump), pre mixing modular, shale shaker modular, dewatering unit modular. We can sell the complete set oil sludge treatment system or by separate modular according to different oil sludge conditions.

The decanter centrifuges and centrifugal pump are ready for shipment to Russia, the decanter centrifuge can be used to treat drilling fluids for separation of low gravity solids and barite recovery. It can be also used as dewatering centrifuge with chemical dosing system, oil sludge separation decanter centrifuge in the oil sludge treatment system, and waste water treatment system to get pure water, and all the other solids & liquid separation application.

Features of GN decanter centrifuge:
1) Bowl straight cone is made of duplex stainless steel 2304/ 2205 which is much better than SS316L and SS304. The cone and other components is made of stainless steel 316L.
2) The screw is made of SS304 by centrifugal casting with heat treatment up to 1000 degree, the impeller is protected by tungsten carbide tiles, it is repairable and interchangeable. The open type design on the impeller will increase the treating capacity and improve the efficiency.
3) The bearing is made of SKF brand brearing for reliable working life.
4) The solids discharge port and fluids distribution port are both protected by tungsten alloy and it is interchangeable.
5) The collection box is made of stainless steel.
6) 2 motors-main motor and back drive motor are installed on one side for easy operation.
7) If required by client, we will provide positive pressurized VFD control panel with 3 motor VFD to provide variable speed drive. We provide CNEX, ATEX and IEC EX approved for option.

The centrifugal pump can be widely used for drilling fluids transfer, charging pump of mud pump, trip pump of trip tank, feeding pump of desander, desilter, mixing pump.
Except for decanter centrifuge and centrifugal pump, we also produce desander, desilter, vacuum degasser, centrifugal degasser, shale shaker, mud cleaner, shaker screens, mud gas separator and drilling waste management equipments.

Recently 2 package of triple shale shaker and mud cleaner set are ready for shipment, they are for SOBM & OBM separation, to make 3 units shale shaker on the same skid is for convenient transportation. Shale shaker is the first phase cleaning equipment, desander cone is the second phase cleaning equipment, desilter cone is third phase cleaning equipment, mud cleaner is the combination of desander cone, desilter cone and bottom shaker 3 in 1. The bottom shale shaker model is same with the tripe shale shaker, the screen size and model is same 585x1165mm, 4pcs screen panel.
The technical specification of the shale shaker is as below:

1) Dual vibration mode, linear motion and progressive elliptical, the user can adjust the vibration mode in the starter, when Linear motion is on, the max treating capacity is 140m3/h, the max G force is 7.6G, the Vibration Amplitude is 4.14~6.12mm ,when progressive elliptical motion is on, the treating capacity is 100m3/h, the G force is 5.7G, , the Vibration Amplitude is 6.39~9.18mm.
2) The vibration motor brand is Itavibras, which is DGMS/ IEC EX/ DGMS certified

3) The starter is ATEX certified, with Cast aluminum Control Cabinet, the electric components are Siemens, Schneider, ABB brand. The internal connection cable and gland is also ATEX approved.
4) The shaker screen is composite material frame shaker screen for longer working life, the effective screen area is 20% larger than the steel frame shaker screens, for API mesh size over API60, 3 layers stainless steel 316L is applied for steadily quality, The storage life is up to 5 years, which is more anti-corrosion material.
5) The possem belly can control the drilling fluids by slide gate to feed to the shale shaker for convenient operation. It can be disassembly easily during shipment and transportation.