Monthly Archives: September 2023

Desander and Centrifuge Unit for Construction Mud Treatment to Overseas Company

News from GN company this week: Recently, 1 complete set of Desander and Decanter centrifuge have been manufactured and ready to start serving a new construction mud treatment project for an overseas company.

Decanter Centrifuge 2023.09.27_

To make sure the Desander and Decanter centrifuge will provide a reliable performance and every 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 in each step.

Desander Plant 2023.09.27

If you need any support about the operation and maintenance of Desander and 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.

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.

Application of decanter centrifuge in environmental protection

The application of Decanter centrifuges in environmental protection mainly refers to the dewatering of sludge generated in the process of industrial and civil wastewater treatment. Today’s environmental issues have become the focus of common concern around the world. Under this background, the value of decanter centrifuges has been manifested. In the past, sewage plants or related treatment plants used self-settlement or belt filter presses to dewater and concentrate sludge. The test proves that the sludge moisture content is reduced from 98% to 80%, and its volume can be reduced by 10 times. Because of this, Decanter centrifuge has the characteristics of large processing capacity, automatic operation, and good dehydration effect. The field of protection has been widely used and promoted. The single product sales of decanter centrifuges account for about half of all centrifuge products, laying its irreplaceable position. In foreign countries, decanter centrifuges are preferred for sewage treatment equipment.

2023.03.24 Decanter Centrifuge 2

Application for different industry:

Drilling mud, environmental protection sewage, oily sludge, cutting fluid, sand washing water, mineral washing water, soda white mud, salt mud dewatering, magnesium aluminum emulsion, steel-making wastewater, precision casting wastewater, construction mud, tunnel mud, mine wastewater, industrial wastewater, organic wastewater, aquaculture wastewater, chemical industrial wastewater, printing and dyeing wastewater, municipal sewage, river sludge, water plant sludge, lake sludge, kaolin grading, calcium carbonate, bentonite, Silica, titanium dioxide, calcium sulfate, barium sulfate, conductive film glass polishing solution, aluminum hydroxide, cryolite, silicate, oil sand separation, landing oil, oil sludge, coal tar, inorganic fertilizer, Chinese medicine extraction such as taxus chinensis, honeysuckle and liquorice, clarification, concentration and dehydration of salt crystals, etc.

GN dewatering Decanter centrifuge is T series decanter centrifuge with beach angle of 8.5 degrees. GN T series decanter centrifuge is usually used dewatering and thickening purpose. It is widely used for maximum dewatering requirements of municipal and industrial wastewater sludge. The dewatering decanter centrifuge is designed for easy separation material include large particle size, high density difference of solid and liquid, low viscosity, high concentration, high treatment capacity and higher dryness than clarity. The materials like sludge or wastewater containing fine particles usually need to be added with flocculants to gather the fine particles condensed into large ones, and then dewatered with T series decanter centrifuge.

The use and value of manure processed by decanter centrifuge

The first use of manure for electricity generation is relatively mature technology. Use cow dung to generate electricity and make substitutes for biogas and coal. For example, in dairy farms, the annual electricity generated by the fermentation of dried cow manure processed by a cow manure Decanter centrifuge can save 1.2 million yuan in electricity costs. In addition, cow dung sticks and cow dung honeycomb coal can also be developed in a certain place. Cow dung sticks made of cow dung are used as fuel, and the combustion value is high. Cow dung honeycomb coal is compressed with cow dung and coal at a ratio of 4:6, which solves the problem of honeycomb coal.

2023.06.21 Decanter Centrifuge 2

The second use of feces

Feces can also grow Agaricus bisporus and straw mushrooms. The cow dung produced by the milk buffalo is used for biogas power generation. The produced biogas slurry can be made into liquid fertilizer, and the fertilizer is sold for more than 3,000 yuan a ton. The milk produced by milk buffalo is about 4 yuan, but the fertilizer can sell for 100 yuan. This shows that the use of cow dung can not only increase the economic income of cattle farmers, but also bring many economic and social benefits. In order to solve the problem of farming wastewater pollution and build an environment-friendly farming base, the company’s leaders attach great importance to pollution control work, and entrusted our unit to design a plan for the fecal sewage solid-liquid separation treatment project. In order to complete this work with high quality, the Decanter centrifuge is recommended to be used.

The dried cow dung dehydrated by the cow manure Decanter centrifuge can also be used as feed for many animals. The cow manure contains minerals and various nutrients, including organic matter, total nitrogen, crude protein and other nutrients.

After the manure is processed by the decanter centrifuge, according to the similar project investigation and the information provided by the owner, the sewage mainly comes from cow urine and ground washing wastewater, and contains manure and urine.

According to the requirements of the owner, it is necessary to treat about 300 tons of manure sewage produced by 4000 cows every day, and the moisture content of the dried cow manure after treatment is about 60%-70%. The excrement processed by the decanter centrifuge can greatly increase the income of the enterprise, and truly turn waste into treasure.

Common causes and solutions of decanter centrifuge vibration

If the vibration is too large during the use of the Decanter centrifuge, it will cause the fatigue damage of the drum in advance, the connection bolts will be loose and broken, and even the differential will separate from the drum, causing an accident and affecting the service life. This passage will share some key information about the common causes and solutions of decanter centrifuge vibration

2022.10.28 mining tailing decanter centrifuge

1. During the maintenance and assembly, the score lines of the drum are not aligned; the accuracy of the dynamic balance is destroyed. Solution: Realign the reticle.

2. The lubricating oil deteriorates. Solution: Replace as described in the instruction manual.

3. The main bearing of Decanter centrifuge fails. Solution: replace the bearing.

4. The inner ring of the main bearing loosely cooperates with the shaft. Solution: Repair or replace the end cap.

5. The screw conveyor bearing fails. Solution: replace the bearing.

6. The bolts of the liquid outlet and the slag outlet are not tightened or the pipes are rigidly connected. Solution: Tighten the bolts, and change the elastic flexible connection of the pipeline.

7. Loose flange of the machine head causes vibration of the differential. Solution: replace the head flange or small end cover.

8. The differential is damaged (generally caused by lack of oil). Solution: replace the differential parts.

9. After the stop, the valve is not tightly closed and the material is fed, which causes the accumulation of material in the drum and the partial weight. Solution: wash in water, when the accumulation of material is serious, use the counter-clockwise steering wheel to drive the auxiliary pulley of the differential after stopping to discharge the material. After the accumulation of material is discharged, it can be put into use again.

10. The joints of rotating parts are loosely deformed. Solution: Check and repair.

11. The replacement of the new parts has a poor dynamic balance. Solution: adjust or replace.

12. The related parts are worn seriously. Solution: Replace and repair.

13. The material accumulated in the casing rubs against the outer drum. Solution: clean up or flush regularly.

Being a pioneering manufacturer of separation and conveying equipment, GN consistently prioritizes product quality and the enduring benefits it offers to our customers. Additionally, GN takes pride in its position as a specialist Decanter centrifuge manufacturer. The company places significant importance on the choice of raw materials, utilizing high-quality centrifugal casting or forged stainless steel materials, and incorporates hard alloy protection for components that require wear resistance.

8 Sets Inclined Plate Clarifier and 6 Sets Decanter Centrifuge for mud treatment

News from GN company this week: Recently, 8 Sets Inclined Plate Clarifier and 6 Sets Decanter centrifuge have been manufactured.

Among them: 8 sets of GNIPC-25A Inclined Plate Clarifier will be sold to South American customers for industrial sludge treatment.

2023.09.01 Inclined Plate Clarifier

6 GNLW453D-VFD high-speed VFD Decanter centrifuge will be sold to large drilling companies for drilling mud treatment.

2023.09.01 Decanter Centrifuge

To ensure the reliable performance and extended longevity of our Inclined Plate Clarifier and decanter centrifuge, as well as the smooth operation of all equipment components, GN has placed significant emphasis on material selection, preparation, production processes, and thorough inspections at each production stage. Our technical, production, and quality control departments have meticulously overseen these aspects to guarantee top-notch results.

Should you require any assistance with the operation and maintenance of our Decanter Centrifuge System, including the Inclined Plate Clarifier and decanter centrifuge, please don’t hesitate to reach out to GN. Our engineers possess extensive experience and knowledge within the relevant industry, and we are committed to providing the best support for your project. Our goal is to establish a stable, long-term cooperation with you, and we are prepared to offer online support and on-site guidance as needed.

As a leading manufacturer of separation and conveying equipment, GN places paramount importance on product quality and the long-term benefits of our users. We’d like to highlight GN as a professional manufacturer in the decanter centrifuge field, where we prioritize the selection of raw materials. We utilize high-quality centrifugal casting or forging stainless steel materials, with hard alloy protection for wearing parts

Our state-of-the-art CNC lathes, CNC centers, and CNC gantry milling machines ensure the precise machining of centrifuge components. In terms of dynamic balance, we go beyond the ordinary low and medium-speed dynamic balancing. GN employs a high-speed dynamic balancing process that dynamically balances the centrifuge screw and bowl at the actual working speed of the centrifuge.

GN decanter centrifuges find extensive applications across various industries and are exported to over 60 countries and regions worldwide, consistently earning high praise from our valued customers.