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Tag Archives: high quality centrifuge

Complementary use of hydrocyclones and centrifuges

DC Machinery offers solutions for all of your Classification needs from hydrocyclones and centrifuges to classifiers and heavy media separation.

Hydrocyclones are related to centrifuges in that both are intended to separate heavies and lights by application of centrifugal force. The key difference is that hydrocyclones are passive separators capable of applying modest amounts of centrifugal force, whereas centrifuges are dynamic, spinning separators that are generally able to apply much more centrifugal force than hydrocyclones.

cones

Another key difference between hydrocyclones and centrifuges is cost. Centrifuges are expensive precision rotating machines that often need sophisticated control, whereas hydrocyclones have no moving parts and usually no controls at all, so they are lower cost devices.

hydrocyclones

Hydrocyclones and centrifuges are complementary rather than competing devices. If gravity alone will settle a significant portion of your solids in a minute or two using a quick bottle test, you should investigate hydrocyclone separation. If settling takes much longer than this, then you may need a centrifuge or other separation method.

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.

3 Sets DCLW450-1000N decanrer centrifuge shipped to Egypt

Congratulations, another order from Egypt prepared to delivery this morning. The order includes 3 sets DCLW450-1000N decanter centrifuge used for water drilling.

All tochning fluid parts of the centrifuge is stainless steel 304. Lowest line price, best quality and perfect service attracted more and more Egypt users.

centrifuge

Parameters of the DCLW450-1000N centrifuge
1. The inlet flow of the DCLW450-1000N centrifuge is 50m3/h
2. Main motor and back motor respectively are 37kw and 7.5kw
3. Drum speed is about 2200rpm
4. Drum length and drum diameter respectively are 450mm and 1000mm

centrifuges

The centrifuge produced by DC Machinery has high purification efficiency, convenient adjustment and easy maintenance .You are welcome to contact Tangshan Dachuan Machinery to get more detailed infos, we will supply our best service for you.

The Use of Decanter Centrifuges for Unweighted Drilling Fluids

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.

centrifuges

When centrifuging the unweighted drilling mud, keep in mind the following:

Operate 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.
The Use of Decanter Centrifuges with Weighted Drilling Fluids

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 tranditional dilution requirements and drilling waste volume for disposal.

DCLW450-1000N decanter centrifue at XinGang Railway station

DC Machinery shipped a decanter centrifuge to Kazakhstan, now the centrifuge already got to XinGang Railway station to shipped the container.

The centrifuges model is DCLW450-1000N centrifuge which is a professional type used in oilfield. The length and diameter of the drum respectively are 1000mm and 450mm. Max treating capacity is 50m3/h, main motor is 37kw and back motor is 7.5kw. Usually matched a 7.5kw feeding pumps.

centrifuge

Drilling fluid decanting centrifuge used for recovery barite to remove small solid particles, reduce the mud solid content, to ensure the performance of the drilling fluid. Our optimized the settling zone parameters and feeding mode, enhanced the centrifuge sand removing effect, performance can be comparable to the same specifications of the imported centrifuge .

And DC production drilling fluid centrifuge has high purification efficiency, convenient adjustment and easy maintenance. You are welcome to contact DC Machinery to get more detailed infos of different decanter centrifuges, we will supply our best service for you.

Dewatering of sludge centrifuge from DC Solid control

DC Solid control company can design and manufacturer the centrifuge specialized in Dewatering of sludge.

Working pinciple:

The sludge is concentrated in the concentration section and then transported to the dewatering section. During the progress of the sludge,the pressure and the pitch are gradually reduced, and the back pressure plate is blocked, resulting in a great internal pressure, To achieve the purpose of full dehydration.Centrifugal sludge dewatering machine through the conditioning agitation tank, concentration system, sludge alarm distribution, sludge dewatering, filter cloth cleaning, sludge cake removal complete just sludge dewatering process.

Sludge dewatering machine is a continuous operation of the sludge treatment equipment, due to the mud moisture content is low, stable operation, with a small energy consumption, control and management is relatively simple, easy maintenance.

decanter centrifuge

Product Application:

1. Industrial wastewater coagulation sedimentation sludge.
2. Industrial wastewater excess activated sludge.
3. Municipal sewage treatment of excess sludge.
4. Community sewage treatment sludge.
5. Water purification plant agglutination sludge.
6. Treatment of excess sludge with water and fertilizer.
7. Solid – Liquid Separation in Factory.

Product Features:

1. Small footprint, easy to repair and replacement; small weight, easy handling.
2. With self-cleaning function. There is no need for cleaning to prevent clogging, reducing the amount of water used for flushing and reducing the burden of internal circulation.
3. Using low-speed screw extrusion technology, low power consumption.
4 . less failure, noise, vibration, safe operation.

 

Decanter centrifuge used in piling construction fields

Decanter centrifuge is a separation equipment used in many fields, such as, oil& gas, HDD, and piling constrction field. Recent days, DC Solid control got an order of decanter centrifuge used in piling construction in Indonesia.

The one that we proposed is a professional model for piling construction wastewater process system, which already has the mature technical guidance and rich experience in the fields. So the Indonesia client was very satified with our decanter centrifuge process effect and after sales service.

centrifuge

Besides, I detailed introduce the work principle of the professional decanter centrifuge to the customer. Separation takes place in a horizontal cylindrical bowl equipped with a scroll conveyor. The processing material is fed into the bowl through a stationery inlet tube and is smoothly accelerated in the accelerate chamber.

Centrifugal forces cause instant sedimentation of the solids on the wall of the bowl. The conveyor rotates in the same direction as the bowl, but at a different speed, thus moving the solids towards the conical end of the bowl.

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

Foreign clients inspect and pre-test the decanter centrifuge

Today, Saudi Arabia clients checked the decanter centrifuge which they ordered DCLW450-1258N. This type of decanter is specialized in waste water processed industry.

decanter centrifuge (1)

The reason why DC Machinery proposal this type to the clients:

1 Different working speed can be set according to actual need, thus achieving the purpose of energy saving.
2 Fast dynamic responses and accurate speed difference adjustment can greatly improving the content of dry material in the wastes.
3 Switch between speed and torque is quite convenient , which can improve working efficiency.
4 The device can be used to separate solid particles whose diameter is above 2 microns.
5 Explosion-proof electronic control cabinet adopts explosion-proof fan to cooling and heating tape to deice and defrost.

decanter centrifuge (2)

DCLW Series centrifuges not only used in waste water processing industry, but also can be used in drilling fluid circulating system, Chemical, Food and ect. If you have special request, please feel free to contact us.

Three sets constant-frequency decanter centrifuge for ARAMCO

Usually decanter centrifuge is the third stage separation equipment of drilling fluid circulating system, it can separate out the solid particles whose diameter is 5-7um. Decanter centrifuges are an essential part gradually of cost drilling fluid processing.

Nowdays, DC solid control shipped three sets constant-frequency centrifuge for ARACO. I am glad that the company was introduced by my another Saudi clients. Finally we build our first business cooperation because of this relationship.

centrifuge

Features of the orders’ centrifuge:

1. The three sets centrifuge with bowl diameter larger than 450mm is always called as big bowl. Comparing with the small bowl centrifuge of 842 inch, the big bowl has larger capacity.
2. The protection of the screw propeller is tungsten carbide tiles to enhance the anti-wear features. Long lifetime saves the cost for repairing and maintenance.
3. DC Solid control’s centrifuge, no matter big bowl or small bowl, is driven by 2 motors. This 450mm big bowl is driven by a 30kw main motor and a 7.5kw back motor. Via the planetary gearbox, the back motor could drive the screw propeller to rotate same direction as the bowl but different speed, so that the solids could be pushed out from the inside the bowl.

decanter centrifuge

In addition to producing the constant and variable frequency 2 phase decanter centrifuge. DC Solid control aslo manufacture the three phase decanter centrifuges to separate the oil,water and cuttings from drilling fluid. If you have requirements of any of them, please don’t hesitate to contact us.

 

Decanter centrifuge preparing delivery to Indonesia

Decanter centrifuge is a special separation equipment for drilling fluid circulating system, waste management, textile waste processing and ect.

Recent days, there is a decanter centrifuge preparing delivery to Indonesia which used for textile industry. The bowl cylindrical and conical section made from duplex stainless steel 2205 by centrifugal casting. Other parts of the bowl assembly material is stainless steel SS316. And the screw flow distrubution port and bowl solids discharge port protected by tungsten carbide alloy. Pressurized EX proof VFD control cabinet with PLC controlled.

centrifuges

The corrosion resistance and abrasive resistance of duplex stainless steel is better than the common SS304, which have already received by the masses of users gradually and will replacing SS304 drum decanter centrifuges.

decanter centrifuge

The main working part of centrifuge is the drum whose length and diameter directly decide the centrifuge treating capacity. DC Solid contrl provide different radial centrifuges. We have fixed and frequency conversion the two kinds of centrifuges. Any questions about decanter centrifuges, please contact us.

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