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Tag Archives: decanter centrifuge

DCLW355-1250 Drilling fluid decanter centrifuge shippe to India

Horizontal spiral discharge sedimentation centrifuge (referred to as decanter centrifuge) is an effective separation equipment which use centrifugal acceleration generated by high-speed rotation into the acceleration of gravity to shorten thousands of times of the settlement time of solid particles than in the gravity field. The solid particles are discharged from the drum through the screw conveyor continuously and without interruption.

decanter centrifuge

One model of DCLW355-1250 Drilling fluid centrifuge finished the test and prepared to delivery to India. DC Machinery company have 2 or 3 phase, RFD, VFD, FHD types of centrifuges used in many oilfields of many countries rig sites or drilling companies to treat and separate drilling mud, or refinery factory to separate waste oil sludge.

Also our centrifuges can be used in oilfields waste treatment and separation, such as slope oil recovery, slope oil separation, slope oil water separation, crude oil recovery, crude oil separation, crude oil water separation, waste oil separation, waste oil recovery, waste lube recovery, waste lube separation, lubrication oil separation, lubrication oil recovery, lubricants recovery, lubricants separation.


DC Solids Control based in China manufacture and supply complete line of high-speed, variable-speed and fully variable-speed decanting centrifuge for handling drilling fluids. Our factory and company are Quality Management System ISO 9001-2000 certified. DC Solids Control operate international oil gas drilling mud separation system. If you have requirements with decanter centrifuge please send inquiry to our office mailbox.

High Speed Decanter Centrifuge Shipped to India

DC Decanter Centrifuge is designed for the drilling mud solids control and oilfield waste management. DC VFD drive decanter centrifuge with variable speed allows drilling contracor or mud service company to do the barite recovery, fine/ ultra fine solids separation,dewatering centrifuge.

Last week, DC Solid control shipped a set of high speed centrifuge to India market, although, now the COVID-19 is very serious, but the clients determined the delivery to be as the inventory that can be able to get started quickly when deblocking.

drilling fluid centrifuge

DC has the decanter centrifuge from 9 inch bowl to 22 inch bowl available for different applications. DC decanter centrifuge bowl length and diameter ration is over 3, this gives the best result for the drilling fluids cleaning.


DC Solids Control operate international oil gas drilling mud separation system. Ruggedly built for oilfield and industrial Solids control service, decanting centrifuge is especially effective in meeting fluid-on-cuttings discharge requirements in environmentally sensitive areas. decanting centrifuge also deliver high fluid recovery rates and efficient solids control to significantly reduce the operator’s total mud cost and limit waste disposal volumes.

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

Features of Decanting centrifuge supply from China supplier

Decanting centrifuge separate the suspending fluids using the principle of centrifugal action, the suspending fluids is pushed into the rotor drum through the inlet pipe and the fluid hole of the spiral feeder. As a solid control equipment, drilling fluid centrifuge plays an important role in drilling operations

In the centrifugal separations of drilling fluid, screw conveyor is a critical component to push and separate the sediment. The work performance and structural parameters of conveyor are immediately related to the production capability, the working life and the separating effect of the centrifuge.

decanter centrifuge

Researchers paid more attention to the research of centrifuge constantly, including the flow state of particle suspension, the optimization of operating conditions of the decanter centrifuges, and the structure improvement.

decanter centrifuge1

Conveyor was a key part to transport the sediment continuously, the structural reliability of conveyor made a great impact on safety working of the whole unit, therefore, researchers paid more attention to the strength calculation and structural optimization of conveyor.

DCLW Series decanter centrifuge Conveyor and screw are made of Duplex stainless steel #316 with the better wear resistance. We also can design and manufacture according to users special request, so please contact us if you have requirements of decanter centrifuges.

Business trip to Pakistan for a decanter centrifuge

To be as a leadder supplier of decanter centrifuge in China. We solid hundreds decanter centrifuge to all over the world per year. This time, our decanter centrifuge engineer got to Karachi to free adjust teh centrifuge, meanwhile, train the using workers.

DC’s high speed, high performance decanter centrifuges are ruggedly built for industrial service and are especially effective in environmentally sensitive areas. With their robust construction and corrosion-resistant materials, DC centrifuges provide long service lives and have low maintenance costs even in the toughest environments.


Features of these centrifuges include rugged construction and corrosion-resistant materials; three-port feed tube; back drive speed adjustable from -18 to +85 RPMs; and tungsten carbide scroll points.


DC Machinery also design and manufacture many types decanter centrifuge used for many industries. If you have special request, please contact me.

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.


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.



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.

Low and high speed decanter centrifuges China supplier

Drilling fluid centrifuge is one of the important equipment in solid control equipment, in general condition it is installed in the last stage in the system.

It is used to dispose not aggravating drilling fluid and can eliminate above two kinds of harmful solid phase; when dispose aggravating drilling fluid can eliminate redundant colloid in drilling fluid, control drilling fluid viscosity and recover barites; disposing hydrocyclone bottom flow can recover liquid phase, decrease the waste of fresh water and oil.


Besides, centrifuge is a ideal equipment to dispose abandon drilling and preventing pollution environment. Centrifuge is widely used in mining industry, steel, agriculture and light industry.

DC Machinery is a professional manufacture of decanter centrifuge, we have low speed and high speed centrifuges:

Low speed centrifuge

The main function of low speed centrifuge in solid control system is throwing the barites and aggravating solid phase particles out of drilling fluid and recycling utilization to control drilling fluids density. The economic benefit to dilute drilling fluid to control drilling fluid density is very obvious.


High speed centrifuge 

The high speed throughput is smaller 5 times than medium speed centrifuge, and it can dispose the fine solid phase particles, it can’t separate high solid phase density drilling fluid. So it must used matching with low speed centrifuge. But the solid phase processing range of high speed centrifuge is influencing the solid phase range of drilling fluid viscosity. So high speed centrifuge has the good effect to decrease drilling fluid shearing force in deep well, improve well quality and prevent down well accident.

If you have any requirements any models of decanter centrifuge, please contact us, you will get the most professional technical guidence and complete before sale and after sale service.

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.


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.

3-Phase horizontal centrifuge China supplier

The 3-Phase Separating Decanter is a centrifuge in which two liquids of different densities are separated from each other. At the same time solids are separated and discharged. 3-Phase centrifuges are widely used in oilfield at present.

A three-phase centrifuge is capable of three distinct phase separations in a single pass. Three-phase centrifuges are uncommon in the petroleum industry, but have been used in other industries. The oil field separation is a far more difficult problem, because the oil field mixture is a solid-stabilized emulsion produced from a liquid-solid. This 3-phase separation horizontal decanter centrifuge is primarilly employed for solid-liquid-liquid separation, namely the simultaneous separation of one solid phase and two immiscible liquid phases with different densities. The premise is that the solid phase is the heaviest.

3-phase centrifuge

Separation process of 3-phase centrifuges 

The feedstock enters the decanter through feed tube and flows into the centrifugation space through the distributor. The conveyor screw transports the solids to the solids discharge. The level of the liquid can be adjusted by fitting regulating rings or disks of the required inner diameter. Separation of the two liquid phases takes place in the separation zone, whereby the light phase flows towards the bowl axis, and the heavy phase towards the bowl wall.

Working principle

Under the centrifugal force, the material will be formed with three relatively stable layers including solid phase layer, as well as heavy and light liquid layers, from the bowl wall to the inside. The solid phase will be driven to the small end of the rotary bowl by the screw conveyor and then will be expelled from the slagging hole. The heavy and light liquid phases will flow towards the big end of the rotating bowl along passages among screw flights and then will be drained from different outlets. Therefore, the continous 3-phase separation achieved.

DC Machinery is a specialized 3-phase separation horizontal decanter centrifuge manufacturer and supplier in China. We offer a vast range of products, including high speed centrifuge, 2-phase separation horizontal decanter centrifuge. If you have any requirements, please contact us.

Characteristic introction of decanter centrifuge

The word “ decanting means pouring of liquid so slowly that any sediment in the bottom remains undisturbed.
The centrifugal force created by the centrifuge depends on the diameter and Rpm of the bowl. Use the following formula to calculate
“ G” force:  G=(RPM)2 (0.0000142) (Diameter of bowl, in ).

The performance of decanter centrifuge for a given mud depends on the following factors:
1. The G’ exerted on the fluid.
2. The retention time of the fluid in the centrifuge.
3. Conveyor speed.


The following factors are considered in different designs and applications:

1. Bowl diameter
2. Length of bowl (increases retention time )
3. RPM operating range
4. Conveyor speed
5. pool depth

The rate at witch a particle will settle is directly proportional to the force of gravity , the square of its diameter and the difference in density between liquid and the medium in which it is settling. It is also indirectly proportional to the viscosity of the liquid.

In weighted mud, the application of centrifuges is some what different. In general, two centrifuges are used. One unit is used to remove the weight materials and the second one is used to remove drilled solids. The clean mud is then returned to the achieved system where it is re- united with the recovered weight materials.


Why choose DCLW Series decanter centrifuge

Decanter centrifuges are normally based on horizontal separation technology and work at slower speeds. DCLW series decanter centrifuges are specially designed for the drilling mud solids control. The effective centrifuging and fine drilled solids separation can remove significant quantities of inseparatable solids. This significantly reduces the traditional dilution requirements and drilling waste volume for disposal.


DCLW Series centrifuges have the flexibility to adapt to almost any solids separation application and are ideal for environmentally sensitive areas and have the flexibility to adapt to almost any solids separation application and are ideal for high volume dewatering applications.

decanter centrifuge

Design features of DCLW Decanter centrifuge
1. Two- three-phase design
2. Conveyor and bowl in various stainless steels: AISI 414, AISI 304
3. Wear protection (interchangeable) of conveyor diffuser
4. Wear protection of conveyor flights in tungsten carbide
5. Automatic differential speed variation:- via Roto variator system

DCLW decanter centrifuge employs the same principles of gravitational force. However, unlike the glass mixture, the process is expedited through the use of continuous rotation. In fact, rotation provides anywhere from 1000 to 4000 times the normal gravitational force, reducing the time required for separation from hours to seconds.

DC Solid control offers horizontal continuous cleaning model decanter centrifuges available in a range of capacity sizes in addition to specialized decanter centrifuges.

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