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Tag Archives: High quality centrifuges

Drilling fluid decanter centrifuge used for oil gas drilling

Decanting centrifuge is also referred to centrifuge decanter, or decanter centrifuge. Centrifuges are used to process unweighted and weighted, water-based and oil-base drilling fluids.  DC Machinery is a manufacturer on drilling fluids decanter centrifuge for many years.

drilling fluid centrifuge

Centrifuge used in drilling solids control is the decanter type. Almost the decanter centrifuge used at drilling site are horizontal type. There are bowl, drum, conveyor, motor, control panel consisted in centrifuge assembly. Of course, also the support base or base frame.

oilfield centrifuge

Decanting centrifuge in drilling fluids system is used after desilter cone or mud cleaner. It can handle the solids ranged 2-7 microns. There are middle speed and the high speed one, the fixed frequency or VFD one. Treating capacity / handling rate varies along with centrifuge size. Usually, it is from 30~60m³/h. We can select screw pump or slurry pump as feeding pump.

Please find more information on DC solids control site. Or you can contact us freely.

Varies types and models of decanter centrifuges from DC Solid control

As the original manufacturer of decanter centrifuge, DC Solid control has designed and produced 4 main decanters over 10 models. The 4 Main decanters are RFD decanter centrifuge, VFD decanter centrifuge, DCLW 3-phase decanter centrifuge and Hydraulic decanter centrifuge.

decanter centrifuge

Among these four different decanter centrifuge, there are LW355*1257-N, Rate freq. LW520×1320-N, Rate freq. LW520 × 1924-N,?Variable freq. LW520×1320BP-N / Variable freq. LW520×1924BP-N, LW450 decanter centrifuge, LW630 decanter centrifuge, etc. You can find more details information about different decanter centrifuges In solid control company.

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Our Decanter centrifuge are used to process unweighted and weighted, water-based and oil-based drilling fluids (mud). Mechanical energy is utilized to increase the gravitational force exerted on solids that are present in the mud system.oilfield Decanting Centrifuge are able to apply over 3,000 G-forces on the liquid/solids mixture, which separates the heavier solids from the lighter solids. Additionally, high G-forces separate fine solids from liquid.

If you have request with the decanter centrifuges, please contact me freely.

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.

 

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.

 

A decanter centrifuge from DC Machinery are painting now

The decanter centrifuge ordered by my Russian client are painting now this morning. It is used for oil drilling site to process the drilling fluid and located after the desilter.

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.

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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..

So DCLW centrifuges have adopted new technology on conveyor. Such as mount carbon tungsten alloy plates by welding and bolts. This increase centrifuge conveyer usable life and whole equipment duration.

You are welcome to contact Tangshan Dachuan Machinery to get more detailed infos of different type centrifuges, we will supply our best service for you.

3-Phase centrifuge produced by DC Machinery

DC Machinery is a profession manufacturer of design and produce two and three phase centrifuges. The DCLW series is a screw decanter centrifuge with a special specification. It enables three-phase separation of Oil, Water and Solid matter based on previous two-phase separation using the difference in specific gravity between solid and liquid.

centrifuge

Three-phase centrifuge separation by unique structure:

Separation of light and heavy liquid has been made possible by adopting the special structure of a liquid outlet dam. We also have various options available, and have good advancements for palm oil manufacturers with our high-G and anti-wear specification machines.

Working Principle:

Using two different size dams for liquid outlets, light liquid and heavy liquid separated using the centrifugal effect can be discharged separately.

centrifuge

Specifications:

1. Disposal volume is in the case of press water for fish meal, and can be altered according to the liquid disposed.
2. Motor Output can be altered according to the adopted centrifugal effect. *= On the condition of no common bed

You are welcome to contact DC Machinery to get more detailed info, we will supply our best service for you.

What Is The Working Principle Of Decanter Centriguges

The centrifuge is fed through a stationary pipe, which is inside a hollow shaft connected to the rotating screw conveyor (scroll.) There it enters a feed compartment and is accelerated through feed slots into the rotating bowl. Once inside the bowl, centrifugal forces accelerate the heavy solids, where they settle on the bowl wall. The lighter liquid will fill the bowl to the level of the effluent dam (weirs).

decanter centrifuge

The conveyor is connected to a gearbox and turns slightly slower than the bowl. Since it is turning slower and the helix is angled toward the small diameter (conical end) thus the solids are then conveyed along the bowl wall to the solids discharge end and discharged there.

The liquid flows around the conveyor and exits over effluent dam located on the large diameter end of the bowl. Lighter Solids, which did not settle to the inside diameter of the bowl (floaters), are carried out with the liquid over the effluent dams.

centrifuges

The Effluent dams are adjustable and control the amount of liquid inside the bowl. The Effluent Dam diameter is normally larger than the solids discharge diameter thus creating a Drying section at the Solids discharge end called a beach. The larger the beach the dryer the solids discharge however this will reduce the amount of liquid inside the bowl.
A larger the amount of liquid usually results in a cleaner effluent.

We can offer many different drive systems to operate decanter centrifuge form fully automatic Frequency controlled units to a simple one speed setup.

Based on your process requirements we can thus optimize your decanter selection.

Typical areas of use of decanter centrifuges

The decanter centrifuge produced by DC Machinery are horizontally positioned centrifuges with a solid wall drum (therefore also called solid wall screw centrifuges). The drum is cylindrical-conical, it consists of a longer cylindrical part (the so-called clarifying zone) and of a conical part (the so-called dry zone). The material to be processed is fed via a so-called feed tube into the drum, where, due to the centrifugal force the solid material particles sediment on the drum wall.

Decanters (decanter centrifuges) are “solid material oriented” centrifuges which can process liquids / suspensions with high solid material contents (up to ca. 60% by volume).

centrifgues
Typical areas of use are:

Clarification of liquids and suspensions
Thickening of sludges
Dehydration of sludges and suspensions
Washing
Classification (wet classification of solid materials in a suspension according to grain size)
Extraction
Separation of 3-phase mixtures (two fluid phases, insoluble in each other, and a solid material phase) etc.

Three phase decanter centrifuges from DC solid control for sale

To be as a leader of wasterwater treatment company. DC Solid control developed a 3 phase decanter centrifuge used in oil and gas field and all kinds industries wastewater treatment projects.

The three phase decanter centrifuge. It is made of cone drum, spiral unloader, differential system, bearing base, engineer base, main motor, back motor and electrical system.

decanters

Working principle of 3 phase decanter centrifuges:

Under the great centrifugal force of the high rotatry speed of the centrifuge can make the material continous used in 24 hours. Main motor drive the drum through the belt will produce a rotation speed differential based on the braked differential drive the back motor to realize the material hydration and pushing function. The centrifuge have the function of differential speed auto control, because of the feeding material content the solid ration maybe have fluctuate, use the differential speed control system to ensure the differential speed is steady to make the better separation effect.

centrifuges

The heavy and  light liquid phase is discharged respectively from the heavy and light liquid phase outlet to reach the liquid, liquid and solid three phase separation. The centrifuge have the ideal seal properties, material dehydration working is in a state of full sealed, and make the working environment is clean.

All of DC Solid control decanter centrifuges adopt the international advanced special structure design. The centrifuge has the advantages of superior quality and efficiency, with larger treating capacity , better separation effect and easy to operate.

The machine has the certificated of ISO9001-2000. Mechanical properties is higher than JB/T502-2004《spiral sedimentation unload centrifuge》standard.

Why more users choose DC centrifuge for wastewater treatment

Horizontal decanter centrifuge has the advantages of good separation performance, well-adapted, can be automatic continuous operated, exercise intensively is small, small footprint and lower maintenance cost. So the decanter centrifuge had a rapidly development recent years, which can be widely used in industrial wastewater and municipal wastewater process field. Such as, printing, light industry, chemical industry, chemical fiber, leather making, mining, pharmaceutical, brewing, food, coal dust, electroplating. Our company combines the decanters structure of Sweden, Germany, Japan and users request to adopt advanced manufacturing technique to get the domestic advanced level.

structure of decanter

Main feature of the decanters centrifuge compared with others:

1 Separation factor is high: Max 4000.

2.Ration of length and diameter is big: Max 4.2.
3. low energy consumption: 1/3~1/2 of the same product.
4. Smoothness Of Operation : Parts precision dynamic balancing and the whole set machine work dynamic balance, vibration strength of the decanter is below 5mm/s, is fall far below 《Technical condition of decanter centrifuges》, 7.1mm/s.
5. Low noise: less than 85Db(A).
6. Operating reliability: DC company decanters differential mechanism adopt planetary gear transmission in high speed, and adopt pin-cycloid planetary gearing in low speed to improve the working reliablity. Spiral drive main bear use roller bearing and the structure of the thrust ball bearing which can improve the bear ability of the Axial force.
7.Wear-resistant treatment: The touching part of our company is made of stainless steel and superior alloy steel, the blades of screw pusher paint abrasion-resistant alloy or spectacles special cemented carbide.
8. All kinds of models: The diameter series of the decanter produced by our company are 250、350、450、550, slenderness ratio is 2. 3. 4. ect.

decanters

DC decanters widely used in oil, chemical, light industry, mining, metallurgy, food, environmental protection and ect, which can totaly meet the requirements of dehydration of solid, and liquid phase.

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