Showing posts with label Decanter Centrifuge. Show all posts
Showing posts with label Decanter Centrifuge. Show all posts

Thursday, January 2, 2014

Drilling waste management

Drilling and Completion waste generation and classification

Drilling and completion fluids and waste management into solid two elements. when the liquid waste generated from sewerage waste drilling mud separation , wash water well field , formation outflow of water, diesel motor cooling water , improvement instrumentation and wellsite sewerage water , etc. ; solid waste , together with waste drilling mud contamination occurred when separation mud, drilling cuttings square measure contaminated with harmful drilling parcels , wellsite construction residue , contaminated soil , drilling materials and packaging.

Drilling waste management, there square measure several waste substances harmful to humans , significant metal ions , some harmful parts like chemical science , once discharged into the atmosphere round the well web site , can inevitably result in soil, surface water and groundwater pollution , impact on the atmosphere cannot be assess the injury , notably in environmentally sensitive areas , would endanger people's health and life , therefore, the drilling and completion of waste treatment is important .
drilling waste management 

Drilling and Completion standing waste treatment abroad

At present, foreign countries usually price the event of the industry drilling and completion technology, waste disposal , from the start of the last century , the corresponding process instrumentation and installations are within the international advanced level , just like the us , Canada, France and different countries within the drilling method of drilling completed abandoned wells on liquid waste treatment employing a four solids management instrumentation to gather cuttings and dust , so were cured of their waste or transport . usually used instrumentation shale shaker, desander , desilter , decanter centrifuge, and different rubble recovery.

Thursday, December 19, 2013

Brightway Centrifuge Structure


1. Structure
This decanter centrifuge consists of unit assembly of revolving half, power gear mechanism, overload unharness system, base and casing, feed tube, electrical system, etc.
Graph one shows external dimensions of the most machine while Graph five illustrates the exploded drawing of the unit.
1.1 Unit assembly of revolving half
The rotating assembly consists of such parts as bowl,  conveyor, gearbox, etc., and that is fastened horizontally on the bottom through 2 pillow blocks. The bowl may be a column - cone structure and there ar six adjustable dams with a pool depth on the large finish semi-shaft of the bowl. Inner ribs ar welded on the axis of inner columnar surface and inner conic surface. The unit of the screw conveyor is especially welded together with core pipes, accelerators, volute flight, etc. and that is placed coaxially within the bowl by the bearings on the semi-shafts of 2 finish of it. The spline housing of the large finish is connected with case by spline shaft. The screw conveyor is double-ended, left rotating, whose conveyance face is bead welded with wear-resisting laborious alloy layer.
decanter centrifuge

Graph seven indicates the exploded drawing of motion components assembly.
1.2 Power transmission and overload unharness system
1.2.1 Power transmission
The main power transmission drives the bowl to rotate by motor and hydro-coupling put in on the axis of it, through belts and pulleys. the rear power transmission drives the input shaft of case to rotate by motor and machine, through reducer and therefore the machine of case and thru overload unharness.
1.2.2 Over load unharness
This machine adopts a double protection live of mechanism-electric appliance, embody hydro-coupling, mechanic overload unharness.
1.3 Base and casing
Consist of vessel assembly, base, vibration dampers, and transport frame.
1.4 Assembly of feed tube
The assembly of feed tube involves that of feed tube and improvement tube. The improvement tubes is employed for flushing the centrifuge before shuting down.
1.5 electrical system
Electric system includes management cupboard, limit switch and corresponding cables.

Brightway is the professional manufacturer in the solids control euqipment and drilling fluid system.Welcome every customer to visit our factory.

Thursday, August 15, 2013

What centrifuge we can provide similar as MI Swaco CD-250 centrifuge?

Brightway Centrifuge BWLWF220 can be used for the mineral drilling rigs, with the similar capacity as MI Swaco CD-250 centrifuge.

Decanter centrifuge

Model
CD-250
BWLWF220
Brand
MI-SWACO
Brightway
Bowl diameter
253mm
220mm
Bowl length
941mm
880mm
Rotary speed
0~4500rpm
0~4800rpm
4000rpm operation speed
4000rpm operation speed
G-force
2773G 
2840G 
Weight
1010 KGS
1000KGS

Advantage:
  1. Small footprint
  2. High efficiency, with max speed as 4800 rpm and separation force as 2840G
  3. Already being used in mineral drilling,diamond drilling, HDD etc.
  4. Competitive price 


As the professional solids control equipment manufacturer, we also produce shale shaker, vacuum degasser, mud cleaner, mud tank, and mud gas separator etc.

Allen Lee
Name:Xian Brightway Energy Equipment Co., Ltd
Phone:+86-29-89305763
Fax:+86-29-89305769
Address:No.118 Fuyu Road, Yuhua Industrial Zone, Yanta District, Xi’an City, China
E-mail:brightway@bwsolidscontrol.com


All rights by Alice from Xi'an BW solids control Co.,Ltd.

Tuesday, July 23, 2013

BW Decanter Centrifuge Working Principle and Function

Decanter centrifuge is the important phase cleaning equipment in a complete solids control system to separate fine solids. It is the most high technology products among all solids control equipments.

Centrifuge Working Principle
A centrifuge works on the principle of accelerated settling. By imparting addition “G” forces to the content of a centrifuge, solids (in a solids laden fluid) will settle much quicker. To understand how a decanting centrifuge works after desilter , first look at a simple sedimentation vessel.
Solids in this fluid will settle to the bottom of the vessel over a period of time. One way to speed the process of settling is to reduce the height of the vessel so the solids do not have as far to drop. If a specific volume is required, the vessels dimensions can be lengthened or widened . Depending on the rheological properties of the fluid and the size and density of the solids, settling time can still prove quite slow. 
Centrifuge Functions
A decanting centrifuge consists of a conical, horizontal steel bowl that rotates at high speed using a double screw type conveyor. The conveyor rotates in the same direction as the outer bowl but at a slightly slower speed. 
Functions including:
1) De-water hydrocyclone underflow;
2) Remove drilled solids from the active mud system
3) Control rheological properties by removing colloidal particles in weighted drilling fluids.

A decanting centrifuge is so named because it decants or removes free liquid from separated solids. It consists of a conveying screw inside a rotating bowl By exerting increased G-force on the drilling fluid, the particles are accelerated and settle on the outside of the bowl The free liquid pool is removed and the solids are pushed away and discharged from the bowl. 
Please contact BW Solids for inquiry freely.