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Tag Archives: drilling fluid centrifuge

DCLW series decanter centrifuge features and extensive application

DCLW series decanter centrifuge uses solid-liquid density difference to form two-phase separation under the function of centrifugal force. It’s mainly for the recovery of barite, removing fine solids and reducing the solids content of drilling fluid, controlling the density and viscosity of the drilling fluid, ensuring the performance of the drilling fluid, and having an important role in rapid drilling.

decanter centrifuges

Features of DCLW Series Decanter Centrifuge

Bearing :Germany FAG or Sweden SKF.
Electrical Component: Siemens and Schneider.
Diversion port of screw pusher and slag-drip opening of the drum are protected by replaceable wear-resistant alloy sleeve, delaying the service life and maintenance cycle.
Frequency control facilitates customers to adjust speed at any time, meeting different working conditions.
Drum assembly is protected with demountable support frame in transit, preventing damage to bearing.

centrifuges

DCLW series decanter centrifuge is widely used in city bored piling, oil & gas drilling, trenchless HDD, Drilling Waste Management, tunneling construction, Oil Mud Seperation, Oil Sludge Dewatering Systems, Coal Bed Gas Solids Control System, mining, Water Drilling, environment protection, Pharmaceutical Industry,chemical Industry, food industry, etc.

 

DCLW decanter centrifuge for Wastewater treatment plant

Wastewater treatment plant operators. Operating budgets necessitate doing more with less. Increasingly stringent regulations require more sophisticated treatment processes while the experienced technicians you need to operate them can be difficult to find and retain.

Municipalities can help address many of these issues by partnering. Our advanced decanter centrifuge systems for municipalities support improved operations while simultaneously reducing operating costs.

decanter centrifuge

With worldwide population growth and the resulting growing demand for fresh water for communities, agriculture and industry, the challenges of meeting global water demand with innovative technologies are also increasing.

DCLW decanters in processes for the desalination of seawater and the treatment of ground and surface water. Centrifugal separator technology plays a key role in the production of drinking water.

DCLW decanters centrifuge have established themselves here as a sustainable solution in the process of seawater desalination and in the treatment of surface water. They provide optimal results with the greatest possible saving of water and energy, thus contributing significantly to a sustainable global water supply.

 

Drilling fluid centrifuge for Unweighted and Weighted Drilling Fluids.

Drilling fluid centrofuge is the 4 stage equipment of the oil& gas drilling fluid circulating system. The centrifuge suck the mud from the compartment receiving the discharge from the desilters and mud cleaners, and the returned stream is directed to the next compartment downstream.

DCLW centrifuges can be used in Unweighted Drilling Fluids and Weighted Drilling Fluids. Following is the maters of the centrifuge used in the different materials.

decanter centrifuges

When centrifuging the unweighted drilling mud, keep in mind the following:  the centrifuge with High G force as the solids loads are low. Adjust the weir to a deep pool to maximized solids separation. Control a smaller mud feed rate to increase residence time Operate centrifuges in parallel, not in series if multiple centrifuges are required.

centrifuge

With the unavoidably higher solids content of weighted mud, the increase of gel strengths and viscosity, as well as the degradation of ? quality associated with the diminution of particle size with time, can become a serious problem. The problem is caused by the increasing concentration of colloidal and near-colloidal particles that are  to be separated from the base. Centrifuges are used to selectively remove these solids.

With high solids content of weighted fluids, torque is a problem when processing it, the following is some advice when operating the centrifuges. Increase pond depth. Reduce in rpm or run a higher conveyor differential. Process the mud at a reduced feed rate Centrifuges.

DC models drilling fluid centrifuge in drilling site

Drilling fluid centrifuge is an important part of solid control system. DC Solid control sold 50 more sets centrifuge to different countries used for different industries.

Drilling rig centrifuges have got large development on both structure and functions. Especially there are many manufacturers design centrifuges according to drilling mud features or property. Then the centrifuge become many models and types used in various drilling projects.

drilling fluid centrifuge

Decanters are equipped with either fixed or variable back drive. The scrolling speed -(relative conveyor speed) can be changed in a matter of seconds by operations of a simple control switch. The optimum scowling speed is selected in each case according to solids load, required separation efficiency and required underflow density.

Actually, in drilling rig solids control system centrifuge is the most complicated one. It is rather difficult for operator get leagal operation, etc. However, in long term its important position is following shale shaker subsequently.

 

Key benefit of oilfield centrifuge from DC Mud equipment company

An oilfield centrifuge is one of solid control equipment which has a capability to remove solid which is larger than 10 micron.The oilfield centrifuges have limitations on feed rate, solid discharge, power of motor, etc. Therefore, it cannot handle the entire solid in the mud.

mud equipmentThe best way is to place shale shakers and/or hydrocyclones upstream of the centrifuges in order to remove large solid particles and let the centrifuges remove large portion of small particles which cannot be separated by shale shakers and hydrocyclones. By doing that, you will be able to effectively eliminate both large and small particles.

Key Benefits of DC Mud centrifuge 
Simple, compact and robust design
High efficiency in removing fine solids
Automatic, unattended operation
Low operating cost and easy maintenance
Reliability and long service life
Extremely versatile – can be used with all mud types

DC Mud equipment company has many models centrifuges are available for customer option, customized centrifuge could be designed and provided as per customer requirements.

 

Discount sales decanter centrifuge at the China port

Drilling fluid centrifuge is the fourth stage equipment of the mud cleaning system. At the first half year, to expand the market, all the drilling fluid centrifuge engoys a big discount sales. Below picture is the centrifuge got to the China port.

The drilling mud decanter centrifuges can separate fine particles well,for separating 5~7μm particles in drilling mud,usually use medium speed decanter centrifuge,for less then 2μm,usually use high speed decanter centrifuges.

decanter centrifuge

Drilling rig centrifuges have got large development on both structure and functions. Especially there are many manufacturers design centrifuges according to drilling mud features or property. Then the centrifuge become many models and types used in various drilling projects.

DC solids control based in China manufacture and supply complete line of high-speed, variable-speed and fully variable-speed drilling mud decanting centrifuge for handling drilling fluids. Our factory and company are Quality Management System ISO 9001-2000 certified.

Large stock of DCLW355-1258VFD Centrifuges enjoy discount sales

DC Solid control is a professional manufacturer of mud cleaning equipment for many years. 80% of our business are export to abroad based on our cost effective product. To show gratefulness to the registered customers, we bring out a model of decanter centrifuge of DCLW355-1258 VFD centrifuge for discount sales.

This model of decanter centrifuge is a professional unif for oil& gas drilling mud cleaning system. It is used as the fourth stage mud separation in the whole cleaning system.

centrifuge

The drilling mud decanter centrifuges can separate fine particles well,for separating 5~7μm particles in drilling mud,usually use medium speed decanter centrifuge,for less then 2μm,usually use high speed decanter centrifuges.

decanter centrifuge

Main parameters of the DCLW355-1258 VFD centrifuges:
1. Drum length and diameter: 1258mm and 355mm.
2. Main and back motor: 30kw and 11kw
3. Max treating capacity: 45m3/h
4. Bowl speed(VFD): 0~3400rpm
5. Dimension: 2900×1500×1650mm
6. Weight: 3000kg

Simplified solid control system, DCLW centrifuges with the advantages of low energy consumption , lighter working load, and the purification efficiency increased by 30% than original.

 

Advantages of using decanter centrifuge for oilfield

Having effective solids control equipment is very important for any oilfield. Without having proper solids control, drills can encounter a variety of problems.

With a horizontal oilfield decanter centrifuge, the mixture of drilling liquid and cuttings and solids enter into the centrifuge. When it enters the centrifuge, it gets spun at an extremely high rate, sometimes as much as 3000 times the force of gravity. When this happens, the solids will separate from the liquids. When they are separated, the drilling liquid can be decanted and eventually returned to the mud tank where it can be replaced into the borehole for efficient drilling.

centrifuge supplier

One of the biggest advantages to having an oilfield decanter centrifuge is the size that it takes up. Compared to other solids control equipment, a centrifuge takes up less real estate. On many oilfields the site footprint is not large enough to support a wide range of solids control equipment. A centrifuge is highly effective and efficient so you can separate solids from drilling liquids even on small drilling sites.

drilling fluid centrifuge

If you are looking for an oilfield decanter centrifuge that is highly effective and affordable, please browse our products. We offer a range of centrifuges of different sizes and capabilities that give you the exact results you need at a price that you can afford.

Small flow decanter centrifuge for waster water processing

Sludge dewatering is the separation of a liquid and solid phase whereby, generally, the least possible residual moisture is required in the solid phase and the lowest possible solid particle residues are required in the separated liquid phase.

DCLW Small flow decanter centrifuge is a professional unit for waster water processing unit. DC Machinery can supply treating capacity from 3-10m3/h samll flow decanter centrifuge.

centrifuge

In this case, the residual moisture in the dewatered solids determines the disposal costs and the centrate quality determines the pollution load returned back to the treatment facility. Minimizing both must be achieved at the lowest possible cost, with the lowest possible polymer and energy consumption, with low maintenance costs and with the lowest possible number of required operating staff.

In practice, the operator quickly realizes that there is no clearly defined operating point given daily and seasonal fluctuations; changes in system input or process configurations, as well as malfunctions of every sort always present new challenges that must be met.

The DCLW model decanter centrifuge is a highly engineered piece of process equipment designed to separate insoluble suspended solids from a liquid. The centrifuge can be used to produce a relatively dry cake from the separated solids and are flexible enough to cope with a wide fluctuation in the feed material and still achieve excellent clarification and dewatering performance.

Solids Control Equipment – Centrifuges of DC Machinery

Drilling mud decanter centrifuge is the fourth stage equipment for a drilling mud system.Drilling mud cleaning first stage uses drilling fluids shale shaker ,then second stage uses desander,third desilter,(now drilling mud cleaner is widely used to replace desander,desilter).

The decanting centrifuge produced by DC Machinery consists of a rotating horizontal centrifuge bowl with a conveyor turning in the same direction but at a lower speed. The slurry is introduced at the centre of the narrow end of the bowl and travels to the liquid overflow at the opposite end.

drilling fluid centrifuge

Drilling rig centrifuges have got large development on both structure and functions. Especially there are many manufacturers design centrifuges according to drilling mud features or property. Then the centrifuge become many models and types used in various drilling projects.

As we know, at the beginning centrifuge for drilling rig is from chemical and food industry, etc. But now, we find centrifuge for drilling fluid process is more advanced and professional.

 

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