Tag: decanter centrifuge

Solids Removal Hydraulic Drive Centrifuge Unit for Core Drilling

Recently one batch of core drilling hydraulic drive centrifuge system are ready for shipment. The main components consists of hydraulic drive centrifuge, hydraulic driving system, diesel engine, mud tank, feeding pump, mixing pump, mixing hopper. The hydraulic drive centrifuge system is specially designed for solids liquid separation of waste water in core drilling, in geological and mineral exploration, geological core drilling, the centrifuge separation system is commonly used for solids liquid separation of core drilling mud. It is operated without any electricity power supply, use the diesel engine to supply power. As a modular design hydraulic drive centrifuge unit, it is a lightweight design to meet the requirement for helicopter hoisting.


The features of GN hydraulic drive centrifuge system including:
1. Reduce drilling cost, including reduce drilling waste transportation cost, reduce water consumption, reduce the cost of using chemicals, protect drill bits and mud pump and reduce the wear and tear of these drilling machine
2. Environmental friendly, reduce soil contamination , water reuse to reduce water consumption, reduce drilling waste disposal cost


3. Improve drilling efficiency, skid mounted or trailed mounted design, lightweight, can meet the requirement of helicopter lifting
The technical parameters of the main equipments:
1. Mini decanter centrifuge: GNLW223D, GNLW223D-FHD,GNLW224D-VFD for option, GNLW223D-FHD is fully hydraulic drive centrifuge, bowl diameter is 9 inch, bowl length is 670mm, max treating capacity is 130 L/min, the typical treating capacity is 100L /min, the typical bowl speed is 0 ~3800rpm, the max G force is 2492G, the typical speed is 1777G.
2. Cutting point: 2 ~5 microns
3. Treating capacity of the whole hydraulic drive centrifuge unit: 50~ 130 L/min


4. Driving type: diesel engine drive coupler( including oil source, motor, diesel engine 3ea, control system and hydraulic pipelines) and hydraulic drive system
5. Feeding pump and discharge pump

2 Sets GNOST-15 Oil Sludge Treatment System for Asia Customer

Recently 2 sets of GNOST-15 Oil Sludge Treatment System are ready for shipment to Asia customer. Each set of GNOST-15 Oil Sludge Treatment System including the components as below:


1. Feeding pump module, to pick up the oil sludge from waste pit and transfer to pre-mixing tank
2. Pre-mixing tank module, the function is to diluting, washing, heating and mixing of the oil sludge, so that the solids can be separated from the liquids in the further process of shale shaker, decanter centrifuge and three phase decanter centrifuge.


3. Coarse shale shaker separation module, to separate the coarse solids and reduce the solids content of the oil sludge, to protect the further decanter centrifuge, if the solids content is very high, the decanter centrifuge screw will be damaged and blocked easily.
4. GNLW-554 two phase decanter centrifuge module, the fine solids can be separated out from the decanter centrifuge by adding chemicals by chemical dosing unit
5. GNLWS-554 three phase separation decanter centrifuge module, to separate the fine solids, water and oil. The recovered oil can be reused or to be sold, the water can be reused in the circulation system or sent to waste water treatment facility, the solids discharged from shale shaker, two phase decanter centrifuge and three phase decanter centrifuge will be collected and sent to TDU for final treatment.


6. Chemical dosing unit module, to add chemicals in pre-mixing tank and 2 phase decanter centrifuge to improve the separation efficiency
7. Steam generator module, to provide hot steam to pre-mixing tank heating line , shale shaker separation tank module heating line, two phase decanter centrifuge tank heating line. There are electrical driven steam generator and diesel driven steam generator for option.
To get a customized proposal of the oil sludge treatment system, pls contact with GN solids sales.

GN Solids 750HP Workover Rig Solids Control System for China Oilfield Service Company

Recently one set of 750HP Workover Rig Solids Control System are ready for delivery to China oilfield service company.
The typical features of 750 HP rig including:

1.Compact Layout: Designed for skid-mounted or trailer-based mobility.
2.Automation: Modern systems may include PLC controls for optimized performance.
3.Adaptability: Handles oil based mud (OBM), water based mud (WBM), and synthetic based mud (SBM).
The solids control system including the items below:


1) One set of mud tank system, customized dimension as client’s requirement, including shaker tank, mixing tank, trip tank, each tank equipped with mud agitator, mud gun, lightings, mud tank accessories.
2) 2 sets of drilling fluids shale shaker GNZS594K, GNZS594K shale shaker is the lastest version linear motion shale shaker produced by GN solids control, it is a 4 panel shale shaker installed 4pcs of 585x1165mm composite material frame shaker screen. The shale shaker is drived by 2ea 2.6HP vibration motors, the max G force is 7.5G and it is adjustable.
3) 1 set of mud cleaner GNZS594K-2S12NK, it is desander, desilter, shale shaker 3 in 1 combination mud cleaner, the 10 inch desander cone qty is 2ea, the 4 inch desilter cone qty is 12 ea, the treating capacity of the mud cleaner is 1000gpm, 2ea centrifugal pumps are installed on the tank skid as feeding pump of the desander cone and desilter cone.


4) 1 set of middle speed decanter centrifuge GNLW452D, it has been widely used for barite recovery. If you need to separate the low gravity solids further, we can use GNLW363 or GNLW363-VFD decanter centrifuge.
5) Centrifugal pumps, mud agitator, mixing hopper, mixing pump, electric control system, etc.
If you need a customized design and high quality high performance drilling rig solids control system, pls contact with GN solids control for more information.

GN Module Hydrovac Slurry Dewatering System for Overseas Client

Recently one complete set of module Hydrovac slurry dewatering system are ready for delivery.
There are totally five modules for the customized hydrovac slurry dewatering system：


Coarse screening module: GNLMP-1536 mining coarse separation screen is used to remove coarse solids from the construction slurry. The high screening efficiency and large treating capacity can ensure the further step treatment with better performance.


Fine screening module: Double deck fine screening shale shaker GNZS596K can separate fine solids from the construction slurry. The top layer screen work as coarse solids separation screen, the bottom layer screen works as fine solids separation screen, the max treating capacity is up to 140m3/h, compared with the single deck shale shaker, the double deck shale shaker can remove the fine solids better, and make the discharged solids drier.
Desanding & desiltering module: The mud cleaner is a combination of desander cone, desilter cone and bottom shale shaker. The desander cone separation cut point is 40 microns, the desilter cone separation cut point is 25 microns.


Centrifuge separation unit: The big bowl big volume decanter centrifuge GNLW553D-VFD is used to separate the ultra fine solids 5~10 microns by working with chemical doing unit, the mixed chemicals is prepared and transferred by the chemical dosing pump to static mixer, the fluids is feed by the feeding pump to the centrifuge feed tube, the chemicals adding is to increase the centrifuge separation performance and to make the discharged solids drier, which will be collected by waste collection box.
Chemical dosing unit: the 20ft containerized chemical dosing unit, including fully automatic polymer mixing, storage and injection to enhance dewatering. The container type chemical dosing unit is designed for convenient transportation, operation and for better protection.
For more information about GN modular hydrovac slurry dewatering system, pls contact with GN solids control.

Vertical Cuttings Dryer and Centrifuge Unit for Africa Waste Management Company

Recently one set of vertical cuttings dryer package and one set of decanter centrifuge unit with screw conveyors are ready for shipment to Africa drilling waste management company. The technical configuration of the customized drilling cuttings treatment system is as below:


1. GNCD930G vertical cuttings dryer with separate skid, the flushing pump is installed on the skid for flushing the screen basket during operation, we have 250 microns, 350 microns and 500 microns opening screen basket for option for client’s different requirement. Additionally, soft starter, VFD control is available for the main motor drive.


2. GNLW363D-VFD decanter centrifuge with feeding pump installed on the separate telescopic skid, the VFD control panel is also installed on the skid for convenient operation. The whole package is suitable for standard container loading when the telescopic skid lowered to the lowest hole. During transportation, the guardrail and walkway, stair can be foldable and attached with the skid for convenient transportation.
3. The screw conveyor is used to collect the drilling cuttings from primary solids control shale shaker, then transfer to vertical cuttings dryer; it can be also used to collect the discharged solids from vertical cuttings dryer and transfer to skips. The user can make the auger support at site according to the installation requirement.
If the drilling cuttings have been storage in the waste pit at rig site, the sludge vacuum pump can be used to suck the drilling waste from waste pit and feeding to vertical cuttings dryer, the horizontal transfer distance is up to 500 ~1000 meters, it is specially suitable for transferring drilling waste with high solids content and high viscosity. Except for drilling waste, it has been widely used for oil sludge transfer, industrial waste transfer, sand transfer and industrial waste transfer.
If you need a customized solution for drilling waste treatment system, pls contact with GN solids contrl.