A Russian client delegation recently visited a petrochemical engineering design institute and an equipment manufacturing plant in China to advance discussions on a proposed oil refinery and petrochemical project. The visit brought together the client, process engineers, equipment specialists and pro
A small refinery project in Central Asia is nearing completion. Watch the latest site video showing equipment installation, piping integration and preparation for final inspection and commissioning.
GYF supported a caustic soda production line project in Iran with engineering coordination, equipment fabrication, quality inspection and delivery services. The equipment was manufactured and checked at our production base before shipment. Our project team worked around the client’s process requirem
GYF participated in a soda ash production line project in Egypt, providing process equipment and project support for site installation and commissioning. The project demonstrates our ability to coordinate equipment supply, piping systems, on-site technical work and international project execution.Pr
Caustic soda can be produced by ionic membrane process and causticizing process. Two methods of production of liquid alkali, tablet alkali, granular alkali, our factory has been doing for many years.Causticizing process introductionSodium hydroxide, chemical formula is NaOH, is a strong alkali
Recently, a delegation of high-quality Russian clients visited our factory for on-site inspection. They focused on researching the complete set of sodium hydroxide production line project and had in-depth discussions on customized cooperation plans. This laid a solid foundation for cross-border proj
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Counterroll crusher
Product introduction: Our roller crusher products are divided into six models according to the diameter and length of the roller, which can meet the feed particle size of 32mm-90mm, discharge particle size of 2mm-25mm, when the output of 2-60t production needs. It has the advantages of simple structure, compact and lightweight body, low price, reliable operation, convenient adjustment and crushing, less excessive crushing phenomenon during crushing, and can crush wet materials.
Processing capacity: 2-60t/h
Specification Model: 2PGφ400 x 250-2PGφ900 x 1200
Application: Used in metallurgy, building materials, mining, highway, mineral processing and other industries of small pieces of material crushing.
Introduction to roll crusher products
Roll crusher (roll crusher) is suitable for fine breaking of brittle bulk materials in cement, chemical industry, electric power, mining, metallurgy, building materials, refractory materials, coal mining and other industries. The discharge particle size is adjustable, and the material with compressive strength ≤160MPa can be broken. Especially in the coal industry, the use of this machine to break raw coal, as long as the iron removal, impurity removal, no need to remove dirt, it can be directly broken, broken materials, uniform particle size, low crushing rate, thus simplifying the coal preparation process, reducing investment and production costs.
Outstanding advantage
1, the roller crusher has the advantages of small volume, large crushing ratio, large crushing capacity, low noise, simple structure and convenient maintenance;
2, the crushing material particle size is uniform, over crushing rate is low, easy maintenance, overload protection sensitive, safe and reliable;
3, for the coal industry, the use of this machine to break raw coal, as long as the removal of iron, impurity, no need to remove dirt, it can be directly broken, broken materials, uniform particle size, low fragmentation;
4, simplify the process, reduce the investment and production costs.
Working principle
The counterroll crusher is a pair of cylindrical rolls mounted horizontally on a frame in parallel to each other. The front roller 1 and the back roller work opposite to each other, and the material is added to the feeding box and falls on the top of the rotating roller. Under the action of the friction on the surface of the roller, the material is pulled between the rotating rollers and crushed by the roller. The crushed material is pushed out by the roller and unloaded downward.
Technical parameter
| Model number | Roller diameter (mm) | Roll length (mm) | Feed size (mm) | Discharge size (mm) | Production capacity (t/h) | Motor power (kW) | Weight (t) |
| 2PGa400×250 | 400 | 250 | 32 | 2~8 | 2~5 | 5.5×2 | 1.6 |
| 2PGo610×400 | 610 | 400 | 65 | 2~20 | 5~15 | 15×2 | 3.8 |
| 2PGs750×500 | 750 | 500 | 75 | 2~25 | 10~30 | 18.5×2 | 6.5 |
| 2PGa600×750 | 600 | 750 | 80 | 2~25 | 15~40 | 22×2 | 10.2 |
| 2PGo900×900 | 900 | 900 | 90 | 2~25 | 11~45 | 37×2 | 13.2 |
| 2PGo900×1200 | 900 | 1200 | 90 | 2~25 | 20~60 | 55×2 | 20.8 |





