Chongqing Blower The blower should be maintained.

　　Blowers are primarily used in key sectors of the national economy—including metallurgy, petrochemicals, power generation, urban rail transit, textiles, and shipbuilding—as well as in various ventilation applications. Beyond their traditional uses, they also hold significant growth potential in over 20 emerging markets, such as the comprehensive utilization of coal gangue, the upgrading of new dry‑process clinker production technologies, energy conservation in the metallurgical industry, and integrated resource utilization. Today, we’ll explain why blowers require regular maintenance.

　　 Chongqing Blower The blower should be maintained.

　　1. Under normal operating conditions, after approximately one month of continuous operation, the bearings should be lubricated with a grease gun using calcium‑sodium grease or molybdenum disulfide grease. When the fan has been running continuously for 3 to 6 months, the grease should be replaced, filling about two-thirds of the bearing cavity.

　　2. Perform regular fan maintenance to remove dust and debris from inside the fan.

　　3. During the startup, shutdown, or operation of the fan, if any abnormal conditions are detected—such as unusual temperature, vibration, or noise—immediate repairs must be carried out.

　　4. Use the tensioning device to maintain uniform belt tension—neither too loose nor too tight—and ensure that the lengths of multiple V-belts are as consistent as possible.

　　5. For standby units that are not in use or for fans that have been out of service for an extended period, the rotor should be rotated periodically by 120° to 180° to prevent shaft bending. Install a valve at the fan’s inlet or outlet; close it during startup and open it once the fan is running, continuing to do so until the specified operating conditions are reached and the interference fit between the inner ring and the shaft is properly established.

　　 Chongqing Blower : Analysis of Future Development Trends and Directions for Blowers

　　Chongqing Blower: Blowers are primarily used in key sectors of the national economy, including metallurgy, petrochemicals, power generation, urban rail transit, textiles, and shipbuilding, as well as in a wide range of ventilation applications. Beyond their traditional applications, they also hold significant growth potential in over 20 emerging market segments, such as the comprehensive utilization of coal gangue, the upgrading of new dry‑process clinker production technologies, energy conservation in the metallurgical industry, and the integrated utilization of resources.

　　Chongqing Blower: Based on the specific requirements of blowers, it is anticipated that for medium- and small-sized blowers—widely used across a broad range—the product design and manufacturing processes are relatively simple, resulting in lower costs. Users primarily seek high efficiency, low noise, long service life, and affordability. In contrast, another category comprises capital- and technology-intensive products with complex designs, extended manufacturing cycles, and strong integrality and system‑level performance. Moreover, these units often operate under high-pressure, high-temperature, and high-speed conditions, with some even enduring harsh operating environments. For turbomachinery blowers, compressors, and large-scale fans, users prioritize superior quality, exceptional reliability, stable operation, and extended service life. From the perspective of demand structure across key sectors, general-purpose ventilation fans are expected to enjoy widespread application, with substantial demand and a large number of manufacturers.

　　Chongqing Blower: A key feature of blowers is that, within their allowable pressure range, flow rate varies only slightly, and they offer a wide pressure‑adjustment range, enabling forced air delivery. Their main drawback is relatively high noise levels. Through technology transfer, joint ventures, and independent R&D, China has introduced low‑noise three‑lobed Roots blowers, which have been well received by users and enjoy promising market prospects.