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Raymond Mill is a kind of powder grinding machine with air inlet, air outlet and a feeding port in the middle part. It is suitable for all kinds of pulverized coal making and mineral powder grinding. Compared with the ball mill, it has higher efficiency, lower power consumption, a smaller area and less investment.
Processing Materials:
Coal, barite, calcite, potassium feldspar, talc, marble, limestone, dolomite, fluorite, etc.
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The Raymond mill, or Raymond roller mill, is an efficient, eco-friendly, closed-cycle mill. It integrates grinding, classification and drying (if necessary) to produce powders of precise sizes.
The Raymond mill is widely used in cement, chemicals, mining, construction, and metallurgy industries. It is ideal for grinding non-flammable and explosive non-metallic minerals with a Mohs hardness below 7 and a humidity below 6%, such as gypsum, limestone, kaolin, and coal. The output of FTM Machinery Raymond mill can reach 8–176 t/shift (1–22 t/h), and the finished product fineness is 0.173 mm–0.044 mm (80–325 mesh).
Raymond mills are increasingly favored in the grinding industry due to their high efficiency, low energy consumption, and environmentally friendly production.
What are the advantages of FTM Machinery's Raymond mills?
The electrical system adopts centralized control, the grinding workshop can be operated unmanned, and maintenance is simple and convenient.
Fan and analyzer control fineness, eliminating screens and blockages, producing uniform powder (80–325 mesh) with over 99% passing rate.
Integrate drying and grinding in one unit, eliminating the need for a separate dryer and reducing investment.
With an integral gearbox, anti-vibration system, and parts like a grinding ring lasting 8,000 hours and a grinding roller up to 6,000 hours, this mill is designed to last over 30 years.
The grinding process uses a closed-loop circulation system with negative pressure to minimize dust and noise. With a full-pulse dust collector, 99% of dust is removed.
Small footprint, high efficiency powder making, energy consumption is more than 60% lower than ball mill.
The powder production process of Raymond mill is feeding-crushing-grinding-selecting-collecting, forming an independent production system, among which grinding and collecting are the core links.
Step 1The raw materials are crushed into specified particle sizes by a jaw crusher, lifted to the hopper by a bucket elevator, and then fed into the mill evenly and quantitatively by a feeder. Step 2Inside the mill, the main shaft rotates to generate centrifugal force, causing the grinding roller to swing outward and press against the grinding ring. The rotating shovels scoop up raw materials and project them between the rollers and the ring where the grinding takes place. Step 3The pulverized powder is blown by the circulating air of the blower to the classifier for classifying. Under the action of the impeller of the classifier, the unqualified coarse powder would be sent back to the grinding chamber for re-grinding. The qualified powder is collected by the cyclone collector and discharged from the bottom as end products. Step 4To ensure that the Raymond mill works under negative pressure, the increased airflow enters the pulse dust collector through the pipeline and is discharged into the atmosphere after purification. The dust-free operation in the workshop is realized by the pulse collector.
| Model | HGM88 | HGM95 | HGM 100 | HGM120 | HGM130 | HGM138 | HGM160 | HGM175 | HGM190 |
| Feeding size（mm） | ＜20 | ＜25 | ＜25 | ＜25 | ＜25 | ＜25 | ＜30 | ＜35 | <40 |
| Finished product size（mm） | 0.25-0.015 | 0.25-0.015 | 0.25-0.015 | 0.25-0.015 | 0.25-0.038 | 0.25-0.038 | 0.25-0.038 | 0.25-0.038 | 0.25-0.038 |
| Processing capacity（t/h） | 0.4-5 | 0.6-7 | 0.8-10 | 1.2-15 | 1.6-21 | 2-25 | 2.7-28 | 3-35 | 5-40 |
| Central shaft rotate speed（r.min） | 167 | 150 | 142 | 136 | 105 | 92.5 | 82 | 75 | 74 |
| Diameter of pulverizing ring（mm） | 908 | 1006 | 1075 | 1280 | 1400 | 1510 | 1770 | 1900 | 2040 |
| Number Of pulverizing roller | 3 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 4 |
| Main motor power（kw） | 22 | 30 | 45 | 55 | 75 | 90 | 132 | 185 | 280 |
| Fan motor power（kw） | 22 | 30 | 45 | 75 | 90 | 110 | 160 | 200 | 280 |
| Analyzer motor power（kw） | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 22/30 | 30/45 | 55 |
Super good jaw crusher, it's definitely a good purchase experience.
This jaw crusher is with high performance, my clients are satisfied with my products. Thanks for your wonderful jaw crusher and service.
I am so happy that I did receive my order in perfect condition I strongly recommend this supplier.what i really loved about his machines is that they are portable and can be easily transported anywhere in the country without hiring a car or truck to carry it around.
This stone crusher works better than my previous one, May be I will order a 250*10000 some day.
Nala is very helpful and professional, I am worried about the quality at first, but now I am satisfied very much about it, easy to install and operate, I will definitely to come back
Outstanding service! The supplier was extremely professional and responsive. The items arrived on time and were of excellent quality. Highly recommended for reliable sourcing!
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