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Tag Archives: drilling fluid centrifuge

High Speed Decanter Centrifuge Shipped to Russian

Decanter centrifuge is the fourth solid control facility in processing drilling fluid. Main unit of Centrifuge is made up of bowl, conveyor(screw propeller), big end bearing
plate, small end bearing plate, differential, main drive motor, auxiliary drive motor, hydraulic coupling, bearing seat, rotating body shield, drive shield, transmission belt,
control box, and the base, etc. Bowl and conveyor(screw propeller) are core components of decanter centrifuge. Solid phase separation of drilling fluid is proceed here.

DC Solid control is a professional manufacturer of drilling fluid centrifuge for many years. Recent days, we shipped a set of centrifuge to Russian client. The centrifuge
model is DCLW355-1250, treating capacity is 45m3/h; drum dia is 355mm and drum length is 1250mm.

centrifuge

Features of DC Decanter Centrifuge:

1. Straight and cone section of the drum made from 2205 duplex stainless steel material, because we adopt centrifugal casting process;
2. Remaining components of the drum assembly made from SS316L;
3. Screw carrier adopts YG6 wear-resistant alloy sheet protection. With long life, also easy maintenance and replacement;
4. Diversion port of screw pusher and slag-drip opening of the drum almost protected by replaceable wear-resistant alloy sleeve. While this delays the service life and maintenance cycle.
5. Drum assembly protected with demountable support frame in transit, preventing damage to bearing;
6. Using imported even more SKF and NSK bearings to improve equipment stability and bearing life;
7. Frequency control facilitates customers to adjust speed at any time. Also this meets different working conditions;
8. Schneider or Siemens electrical components. While current overload & mechanical limit switch dual protections.

centrifuges

DCLW series Decanter centrifuge are almost used to process unweighted and weighted, water-based and oil-based drilling fluids (muds). Furthermore, DC Solids Control is a
professional manufacturer of decanter centrifuge in China. Welcome you to visit our factory at any time!

DC Decanter centrifuges use features and application

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. DC have the decanter centrifuge from 9 inch bowl to 22
inch bowl available for different applications.

To be as a professional manufacturer of all kinds of decanter centrifuges. We can design and produce it according to users request. According to different rotating speed, it
can be defined as middle speed, high speed and high speed VFD centrifuge. It is mainly use for recycling the barite, removing the fine solid particles sized in 2-7μm,
controlling the density and viscosity of drilling fluid to keep the drilling fluid performance.

centrifuge

Features of DC decanter centrifuge:

1. The straight section and cone section of the drum adopts duplex 2205 stainless steel material, formed by centrifugal casting;
2. The drum assembly and other parts is made of stainless steel SS316L;
3. The screw conveyor with wear-resistant alloy sheet protection, which is durable and easy for maintenance and replacement;
4. Wear resistant ceramic protective sleeve for the diversion port of the screw conveyor and the discharging port of the drum to ensure the durability and less maintenance;
5. The adjustable pond height to meet the different working conditions;
6. The drum assembly in the transport with the support frame to protect the bearing from damage;
7. Explosion-proof PLC intelligent electrical control cabinet with simple operation and automation to achieve different speeds for different working condition.

Decanter

Our decanter centrifuge used for different Application:

Decanter centrifuge is widely used in industries as municipal and industrial waste water treatment, food processing, pharmaceuticals and chemicals, etc.
1. Decanter centrifuge solid phase dehydration: dehydration effect for processing materials of solid particles.
2. Decanter centrifuge particle size classification: used in the removal of material of large diameter solid particles.
3. Decanter centrifuge liquid clarification: used for removing solid particles in the suspension liquid are clarified.

The main advantags of use decanter centrifuge in solid control system

Mud contains a certain fine particles and suspension fluid. The features of mud are decided by its material and local geological condition. If construct mud is misconduct can pollute environment. So the use technology of centrifuge can solve the problems, but the advantages of horizontal screw centrifuge process mud are very notable.

The capacity is big of single machine

Mud has output big and difficult to store, but the capacity is big of horizontal screw centrifuge single machine, horizontal screw centrifuge can process 60 cm3 mud per hour, it has the enough “measure” to eat the mud and digest it. So solve the problem that is the output is big and difficult to store. Compared with other mud processing equipment, horizontal screw centrifuge has the higher processing effect adapting bad field.

centrifuge

Centrifuge is a set at the construction field, but it can adapt the bad requirements.

It not fear expose to the weather; the change of field environment temperature is big, there is large dust in the air.
It not fear the overload impacting; the change of mud componential, the fluctuate of feeding flow, centrifuge has the enough power margin and the impeccable protection measures.

It not fear mud wear; the solid phase particles in the drum abrade every contacting part, but centrifuge has the enough wearing resistance ability. It not fears the electric interference; the big power motor frequently open and stop in the field, when all kinds of machine operate produce the electric arc led to electric source pressure has a big substantially fluctuate, but the centrifuge use the antiriot motor, so the conditions can’t appear. It not fears misoperation; the electric operation parts is less of horizontal screw centrifuge, the process is easy and easy to operate. Characteristics of differential mechanism.

decanter centrifuges

The characteristics of differential mechanism:

Small speed ratio: the size of differential depends on the demanding sand, when the differential is too higher the time of remain is decrease make the moisture filter is increase, but the slip speed is too low will amplify the pushing momental of spiral,. In order to get rid of large desilting by centrifuge, differential speed must bigger than common sewage treatment centrifuge. The horizontal screw centrifuge is the small speed ratio.

Big torsion; the differential mechanism operate in the bad condition of high speed, heavy load and constantly bear impact cyclic loading, so demanding the resistance overload impact and torsional vibration isolation performance of differential is very good. The horizontal screw centrifuge can meet the requirement.

Drilling fluid centrifuge produced by DC Solid control

Drilling mud decanter centrifuge is the fourth stage equipments 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).

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.

The drilling fluid centrifuge is mainly used for the separation of the suspension containing fine/ medium particles, and the solid particles of granular, crystal or fiber, especially for the separation of material whose viscosity is high, with fine fineness, it’s poisonous or inflammable. It is widely used in the industries of chemical, pharmaceutical, food, light industry and environment protection, etc.

centrifuges

Tangshan Dachuan Machinery Co., Ltd has a mature technology and complete product line, involving filtration, centrifugation, drying and crushing granulation and other products, the follow-up will be relying on its own technical strength, the introduction of more talents, and constantly develop new products, with more and better products and services to customers.

 

Decanter Centrifuges in drilling mud cleaning system

Decanter Centrifuges are a key component in drilling mud cleaning on a Drilling Rig solids control equipment to the oilfield. To maintain drilling mud in an optimum condition results in less waste, reduced operating cost and a high efficiency of the total solids control system.

Separation point of decanter centrifuge is as fine as 2~7 microns. According to different rotation speed, there are high-speed and middle-speed centrifuges. It really plays an important role in lower mud density and bentonite recovery.

decanter centrifuge

Features Of DC Decanter Centrifuge
1. Bowl Cylindrical and the Conical section made of Duplex Stainless Steel 2205 by centrifugal casting. Other parts of the bowl assembly are made of stainless steel 316L.
2. Screw protection: Tungsten Carbide Tiles for longer life and easier replacement.
3. Screw flow distribution port and bowl solids discharge port protected by tungsten carbide alloy.
4. Easy to adjust liquid discharge weir height for flexible application.
5. Bowl assembly supported by the tighter belt for the protection of bearing in moving.
6. Pressurized EX Proof VFD control cabinet available.
7. Genuine SKF bearing for longer and reliable operation.

If you have interest with drilling fluid centrifuges, Please contact DC Solid control to get more info about it. DC Solid control company will be your best choice.

Application or use ranges of Decanter centrifuges

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.

DCGLW250-980N Decanter Centrifuge 01

DCS Series centrifuges are designed & developed and manufactured by its own factory, mostly used in the mining and oilfields, main body uses SS materials, high standard production process, high quality with long service life, is welcome by the customers at home and abroad.

We 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.

decanter centrifuges

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.

Please contact DC Solid control company of you have requirements of decanter centrifuges.

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.

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.

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