The PFW impact crusher from Zhengzhou Kuanglian Machinery Co., Ltd. features a unique double-wedge discharge opening adjustment mechanism. This mechanism combines hydraulic and mechanical linkage, enabling rapid stepless adjustment. The design concept behind it is to provide users with a more flexible and precise way to control the product particle size.
The hydraulic system in this mechanism can generate a large amount of force, which is used to drive the movement of the wedges. The mechanical linkage ensures the stability and accuracy of the adjustment process. By adjusting the position of the wedges, the size of the discharge opening can be changed, thereby controlling the particle size of the crushed materials. For example, in a typical limestone processing plant, the double-wedge mechanism can adjust the discharge opening from 20mm to 80mm, which meets the different particle size requirements of various production processes.
When operating the PFW impact crusher, first, ensure that the machine is in a stable state and all safety devices are in place. Then, start the hydraulic system and use the control panel to adjust the position of the wedges. Observe the particle size of the discharged materials through the observation window and make fine adjustments according to the actual situation.
For limestone, due to its relatively low hardness, the discharge opening can be set to a smaller value to obtain finer particles. Generally, when processing limestone, the recommended discharge opening size is between 20mm - 40mm. For coal gangue, which has a higher hardness, a larger discharge opening is required. The recommended size is between 40mm - 80mm.
The following is a simple debugging flow chart to guide users through the adjustment process: 1. Start the crusher and let it run idle for a few minutes. 2. Feed a small amount of raw materials and observe the particle size of the discharged materials. 3. Adjust the discharge opening according to the observation results. 4. Repeat steps 2 and 3 until the desired particle size is achieved.
In a chemical plant in Shandong, China, the PFW impact crusher was used to process limestone. After using the double-wedge discharge opening adjustment mechanism, the plant was able to increase the production efficiency by 30% and improve the product quality. The particle size of the crushed limestone was more uniform, which met the requirements of the subsequent production processes.
Common problems with the discharge opening adjustment mechanism include hydraulic system failures and mechanical jams. If the hydraulic system fails, first check the oil level and pressure. If the oil level is low, add hydraulic oil; if the pressure is abnormal, check the hydraulic pump and valves. In case of mechanical jams, stop the machine immediately and check for any foreign objects or damaged parts.
Q: Can the double-wedge adjustment mechanism be used for all types of chemical raw materials? A: Generally, it can be used for most chemical raw materials, but for some extremely hard or sticky materials, additional adjustments may be required.
Q: How long does it take to adjust the discharge opening? A: With the hydraulic and mechanical linkage, the adjustment can be completed within a few minutes.
Are you looking for a reliable impact crusher with precise particle size control? Discover the PFW impact crusher from Zhengzhou Kuanglian Machinery Co., Ltd. and take your production to the next level! Learn More
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