The Decanter centrifuges made in China are different from the imported ones. The imported decanter centrifuge with the same function is about 6 to 10 times cost than the domestic one.

The reason is that the imported Decanter centrifuge is durable, and the control of temperature and speed is more accurate. The price difference between centrifuges of the same grade is not very big, mainly distinguished in performance and configuration. The difference of the equipment is that in terms of performance, centrifuges with freezing are much more expensive than ordinary ones. Some centrifuges also have heating functions. The more control programs, the higher the price of the centrifuge. The big difference is the configuration. Sometimes the price of accessories is higher than the price of the equipment. When purchasing, please note that in addition to the equipment, the selected rotor (number and type), plus the necessary centrifuge tubes, tube sleeves, special centrifuge bottles or blood bags, all of which add up to a complete centrifuge price. Centrifugation is to use the strong centrifugal force generated by the high-speed rotation of the centrifuge rotor to accelerate the sedimentation speed of particles in the liquid, and separate the substances with different sedimentation coefficients and buoyancy density in the sample. Therefore, it is necessary to use a centrifuge to generate a strong centrifugal force in order to force these particles to overcome the diffusion and generate a settling motion.

A Decanter centrifuge is a machine that uses centrifugal force to separate components in liquid and solid particles or a mixture of liquid and liquid. The Decanter centrifuge is mainly used to separate the solid particles in the suspension from the liquid; or to separate two liquids with different densities in the emulsion that are incompatible with each other (such as separating cream from milk); it can also be used to exclude Liquid in wet solids, for example, dry clothes in a washing machine; special super-speed tubular separator can also separate gas mixtures of different densities; the use of solid particles with different densities or particle sizes to settle in liquids at different speeds, some of them settle The centrifuge can also classify solid particles according to density or particle size. Centrifuges are widely used in chemical, petroleum, food, pharmaceutical, mineral processing, coal, water treatment and shipping sectors.

In ancient China, people used one end of the rope to tie the pottery pot, held the other end of the rope, and flicked the pottery pot to generate centrifugal force to squeeze out the honey in the pottery pot. This was the early application of the principle of centrifugal separation.

News from GN company this week: Recently, 1 set of GNOST-15B Oil Sludge Treatment Package Equipment have been manufactured and ready to start serving a Project of a Beijing client. The system includes:

1 Shale Shaker GNZS594F with spray and anti-splash device,

1 large bowl sludge treatment two-phase decanter centrifuge GNLW-554ET,

1 set of large bowl three-phase decanter centrifuge for sludge treatment GNSX-554ET.

It includes pre-mixing of sludge, vibrating screening, two-phase separation of solid-liquid separation, and three-phase separation of oil-water and residue.

To make sure the Oil Sludge Treatment Package Equipment will provide a reliable performance and the parts and components of all the equipment will run smoothly for a long term operation, our technical department, production department and quality control department have paid a lot of attention to the material selection, material preparation, every step of production and the inspection for this set of equipment in each step.

If you need any support about the operation and maintenance of the Oil Sludge Treatment Package Equipment, such as decanter centrifuge, Chemical dosing unit  and mud tanks, please feel free to contact GN company for our engineers’ best experience and knowledge in the relevant industry. We will do our best to assist your project because just in this way we can establish a stable and long term cooperation. And we can provide on-line support and site instruction for specific situation if needed.

As a leading manufacturer of separation equipment and conveying equipment, GN always pay high attention to the product quality and consider the long-term benefits for our users. We would also like to introduce GN as a professional manufacturer in decanter centrifuge field, GN pays a lot of attention in the selection of raw materials, high-quality centrifugal casting or forging stainless steel materials are used, and for wearing parts, hard alloy protection is used.

GN high-end CNC lathes, CNC centers, and CNC gantry milling machines can better ensure the machining accuracy of centrifuge parts. In terms of the dynamic balance of the decanter centrifuge, in addition to the ordinary low and medium speed dynamic balance, GN also applies a high speed dynamic balance process, which can dynamically balance the centrifuge screw and bowl at the actual working speed of the centrifuge. In terms of market applications, GN decanter centrifuges are widely used in the industry, and the products are exported to more than 60 countries and regions in the world, and have won high praise from customers.

By the way, if you are interested in our products, please check the following items of our company on Alibaba:

Decanter centrifuge

3–Phase Disc centrifuge

Sludge dewatering Screw press

Oil water separator

Centrifugal pump

Vacuum Pump

Submersible pump

News from GN company this week: Recently, a set of Sludge Dewatering Decanter centrifuge has been manufactured and are ready to start serving for a European waste disposal company  .

GN Solids Control is one of the most famous International Brand for Mud Solids Control System & Drilling Waste Management. GN have the one stop for Solids Control Solution for mud recycling projects.

To make sure this set of Sludge Dewatering Decanter centrifuge will provide a reliable performance and the parts and components of all the equipment will run smoothly for a long term operation, our technical department, production department and quality control department have paid a lot of attention to the material selection, material preparation, every step of production and the inspection for this set of equipment in each step.

If you need any support about the operation and maintenance of GN’s equipment like Sludge Dewatering Decanter centrifuge, please feel free to contact GN company for our engineers’ best experience and knowledge in the relevant industry. We will do our best to assist your project because just in this way we can establish a stable and long term cooperation. And we can provide on-line support and site instruction for specific situation if needed.

As a leading manufacturer of separation equipment and conveying equipment, GN always pay high attention to the product quality and consider the long-term benefits for our users. We would also like to introduce GN as a professional manufacturer in decanter centrifuge field, GN pays a lot of attention in the selection of raw materials, high-quality centrifugal casting or forging stainless steel materials are used, and for wearing parts, hard alloy protection is used.

By the way, if you are interested in our products, please check the following items of our company on Alibaba:

Decanter centrifuge

3–Phase Disc centrifuge

Sludge dewatering Screw press

Oil water separator

Centrifugal pump

Vacuum Pump

Submersible pump 

1. Decanter centrifuge is suitable for all kinds of sludge; belt machine is also suitable for all kinds of sludge, but for oily, viscous, remaining activated sludge, it needs a large amount of medicine and dehydration is difficult.

2. The problem of feed control

The Decanter centrifuge can automatically adjust the slip and torque according to the change of the feed concentration, and the belt machine must be manually adjusted.

3. Problems of solid recovery rate and dosage

The solid recovery rate of the Decanter centrifuge is indeed higher than that of the belt machine, but this does not mean that the solid recovery rate of the belt machine cannot be used if it is low. In fact, the belt filter must be returned to the front and reprocessed.

The dosage of medicament is added. A 15 × 104t / d urban sewage treatment plant designed by the author adopts a decanter centrifuge for dehydration. The measured consumption of PAM per ton of dry sludge after production is 1.7-2.0kg. The lower the consumption of medicine with machine (PAM) is generally 4kg / (t [dry mud]).

4. Power consumption problem

The difference in power consumption is not as claimed by the manufacturer of the machine. It is actually controversial. The centrifuge manufacturers will also say that their centrifuges use less electricity. The author speaks a jargon here: power consumption differs mainly depending on the model and the amount of processing capacity.

The noise of the centrifuge is large, but the noise with the machine is not the machine itself, mainly the sound of washing water, the sound feels better than the centrifuge;

5. The life of the machine

The bearing life of a good-quality belt machine is theoretically 20a, which is similar to the life of the host machine. The filter belt needs to be replaced frequently. The filter belt is generally replaced continuously for 2000h operation. If it is intermittently operated and maintained well, then it depends on the length of use and shutdown In contrast, regardless of whether it is a domestic or imported belt machine, the filter belt can generally be replaced with a domestic filter belt, so the cost of replacing the filter belt is not high, and the current domestic equipment of the decanter centrifuge is reliable, stable, and easy to maintain and maintain.

In theory, the running time of the belt machine can also run for 24 hours. Of course, the continuous operation of the belt machine is not as reliable as the centrifuge.

6. Calculation of operating expenses

When the belt filter press dehydration machine manufacturer calculates the dehydration and centrifuge core operating costs, there are many problems in the calculation method used. The operating costs mainly include: pharmaceutical fees, electricity costs and water costs. In addition to the belt machine, there are downtime costs and flushing costs. The author took an 8 × 104t / d sewage treatment plant as an example to calculate the actual operating cost of sludge treatment. Therefore, from the perspective of operating costs, the use of centrifuges and Not higher than with the machine.

News from GN company this week: Recently, a series of Portable Decanter centrifuges have been manufactured and are ready to start serving for a Mexican Company’s Diamond Drilling project.

GN Solids Control is one of the most famous International Brand for Mud Solids Control System & Drilling Waste Management. GN have the one stop for Solids Control Solution for mud recycling projects.

To make sure this series of Portable Decanter centrifuges will provide a reliable performance and the parts and components of all the equipment will run smoothly for a long term operation, our technical department, production department and quality control department have paid a lot of attention to the material selection, material preparation, every step of production and the inspection for this set of equipment in each step.

If you need any support about the operation and maintenance of GN’s equipment like Portable Decanter centrifuge, please feel free to contact GN company for our engineers’ best experience and knowledge in the relevant industry. We will do our best to assist your project because just in this way we can establish a stable and long term cooperation. And we can provide on-line support and site instruction for specific situation if needed.

As a leading manufacturer of separation equipment and conveying equipment, GN always pay high attention to the product quality and consider the long-term benefits for our users. We would also like to introduce GN as a professional manufacturer in decanter centrifuge field, GN pays a lot of attention in the selection of raw materials, high-quality centrifugal casting or forging stainless steel materials are used, and for wearing parts, hard alloy protection is used.

By the way, if you are interested in our products, please check the following items of our company on Alibaba:

Decanter centrifuge

3–Phase Disc centrifuge

Sludge dewatering Screw press

Oil water separator

Centrifugal pump

Vacuum Pump

Submersible pump

The principle of the decanter centrifuge is to use the centrifugal force brought by the high-speed mechanical rotation to achieve the purpose of solid-liquid separation, and some noise and vibration will be generated during the operation of the equipment. It will affect the surrounding environment of the device, so when using the device, some techniques can reduce noise and vibration. The following are some common technical solutions:

When the whole set of equipment runs empty and the inlet and outlet are closed, the average noise at 1 meter around the equipment will not exceed 85dB when tested in the manufacturing plant.

When the decanter centrifuge is idling, without water, and tested in the manufacturer, the vibration is not higher than 5mm / S. If the vibration is too large during the operation of the machine, in order to ensure safety, it can be stopped by the vibration switch.

1. There is no need to disassemble the machine when there is a material blocking failure, only need to start the automatic slag discharge of the screw pusher to clear the accumulated material.

2. After the decanter centrifuge is shut down, backwash must be performed. Backwash only needs to open the flushing water valve and flushing water pump to complete.

3. The centrifuge is equipped with emergency shutdown, motor overheating / overload, screw feeder overload, bearing temperature, vibration and other protection functions.

GN can not only provide users with Dewatering Decanter Centrifuges, rely on GN rich production line of separation and conveying equipment. GN can also provide users with turnkey solutions for the material dewatering process, including solutions for material transportation, classification and dewatering.

With complete machine monitoring and alarm system. When overload, short circuit and lack of phase occur in the course of operation, the centrifuge will be automatically protected; the speed of centrifuge, bearing temperature, vibration of the whole machine, lubrication system oil pressure, main and back motors’ current, push torque and other operating parameters are monitored in real time, and alarm is started when the parameters are abnormal. In case of blocking materials, the device will automatically switch to the plugging procedures; if plugging procedures cannot be dredged, it will then automatically switch to the shutdown procedures to ensure the safety of personnel and equipment.

News from GN company this week: Recently, 1 sets of ATEX Standard Explosion Proof Decanter centrifuge have been manufactured and are ready to start serving for a Middle East Customer.

Features:

ATEX explosion-proof zone 1 certification

Positive pressure explosion-proof frequency conversion control cabinet

Explosion-proof air conditioner to cool down, meeting the ambient temperature of +55C degrees Celsius.

To make sure this set of Decanter centrifuge will provide a reliable performance and the parts and components of all the equipment will run smoothly for a long term operation, our technical department, production department and quality control department have paid a lot of attention to the material selection, material preparation, every step of production and the inspection for this set of equipment in each step.

If you need any support about the operation and maintenance of Decanter centrifuge, please feel free to contact GN company for our engineers’ best experience and knowledge in the relevant industry. We will do our best to assist your project because just in this way we can establish a stable and long term cooperation. And we can provide on-line support and site instruction for specific situation if needed.

As a leading manufacturer of separation equipment and conveying equipment, GN always pay high attention to the product quality and consider the long-term benefits for our users. We would also like to introduce GN as a professional manufacturer in decanter centrifuge field, GN pays a lot of attention in the selection of raw materials, high-quality centrifugal casting or forging stainless steel materials are used, and for wearing parts, hard alloy protection is used.

By the way, if you are interested in our products, please check the following items of our company on Alibaba:

Decanter centrifuge

3–Phase Disc centrifuge

Sludge dewatering Screw press

Oil water separator

Centrifugal pump

Vacuum Pump

Submersible pump

News from GN company this week: Recently, 1 set of 3–Phase Decanter Centrifuge has been manufactured and are ready to start serving for an African Company. The model number is GNSX520 with VFD control panel.

To make sure this set of 3–Phase Decanter Centrifuge will provide a reliable performance and the parts and components of all the equipment will run smoothly for a long term operation, our technical department, production department and quality control department have paid a lot of attention to the material selection, material preparation, every step of production and the inspection for this set of equipment in each step.

If you need any support about the operation and maintenance of 3–Phase Decanter Centrifuge, please feel free to contact GN company for our engineers’ best experience and knowledge in the relevant industry. We will do our best to assist your project because just in this way we can establish a stable and long term cooperation. And we can provide on-line support and site instruction for specific situation if needed.

As a leading manufacturer of separation equipment and conveying equipment, GN always pay high attention to the product quality and consider the long-term benefits for our users. We would also like to introduce GN as a professional manufacturer in decanter centrifuge field, GN pays a lot of attention in the selection of raw materials, high-quality centrifugal casting or forging stainless steel materials are used, and for wearing parts, hard alloy protection is used.

By the way, if you are interested in our products, please check the following items of our company on Alibaba:

Decanter centrifuge

3–Phase Disc centrifuge

Sludge dewatering Screw press

Oil water separator

Centrifugal pump

Vacuum Pump

Submersible pump

News from GN company this week: Recently, 2 sets of Hydraulic Driven Decanter centrifuges and Vacuum Pumps have been manufactured and are ready to start serving for an African Company, including 2*GNLW363D-FHD, 1**GNSP-20B and 1*GNSP-40B.

To make sure the Decanter centrifuges and Vacuum Pumps will provide a reliable performance and the parts and components of all the equipment will run smoothly for a long term operation, our technical department, production department and quality control department have paid a lot of attention to the material selection, material preparation, every step of production and the inspection for this set of equipment in each step.

If you need any support about the operation and maintenance of Decanter centrifuges and Vacuum Pumps, please feel free to contact GN company for our engineers’ best experience and knowledge in the relevant industry. We will do our best to assist your project because just in this way we can establish a stable and long term cooperation. And we can provide on-line support and site instruction for specific situation if needed.

As a leading manufacturer of separation equipment and conveying equipment, GN always pay high attention to the product quality and consider the long-term benefits for our users. We would also like to introduce GN as a professional manufacturer in decanter centrifuge field, GN pays a lot of attention in the selection of raw materials, high-quality centrifugal casting or forging stainless steel materials are used, and for wearing parts, hard alloy protection is used.

By the way, if you are interested in our products, please check the following items of our company on Alibaba:

Decanter centrifuge

3–Phase Disc centrifuge

Sludge dewatering Screw press

Oil water separator

Centrifugal pump

Vacuum Pump

Submersible pump