Energy saving by increasing the actual operating efficiency of the fan

In terms of ventilators, the main reason is to improve the efficiency of the fan by increasing the actual operating efficiency of the fan. The specific way is to develop a high-efficiency fan. Further study the theory of ternary flow and expand its application range. Expand the adjustment range to improve the efficiency of the fan under variable load conditions. The ternary flow theory is applied to develop a high-efficiency ternary impeller; the ternary flow theory is used in the design of the stationary element of the vane diffuser to improve the efficiency of the whole machine; the high-efficiency area of ​​the fan is enlarged to ensure that the fan can also operate efficiently under variable load conditions. For example, a small humpless axial fan that has been successfully developed. The main fan is selected correctly during the design. According to the use of the site, ensure the use of air volume and wind pressure, and select high-efficiency and low-noise fans based on this; select the adjustment scheme and energy-saving scheme according to the given working conditions and the changing working conditions in operation.

Reasonable choice of fan adjustment program. Speed ​​control energy-saving research has become the main direction of fan energy-saving research. The method of changing the impeller speed mainly adopts multi-speed or two-speed motor, frequency conversion speed regulation, cascade speed regulation, hydraulic coupler speed regulation, etc. Matching motor type selection speed control scheme. The frequency conversion speed regulation technology has the best energy saving scheme, and has the advantages of obvious energy saving, high precision control speed and torque, high speed driving, soft start, etc., and has been adopted by many mines. The ventilation network is reasonably arranged with ventilation network to reduce air leakage, increase ventilation section, reasonably distribute wind and air, clean and repair leaky roadway, increase ventilation section and reduce network resistance.

3inch Tow Strap 9m

A recovery strap is designed to "recover" a vehicle from the ditch, mud, etc. Nylon recovery straps have loops on each end for ease of use. A Tow Strap should not be used to recover or "snatch" a vehicle that's stuck. Traditional vehicle tow straps are much less flexible and designed only to pull a load that freely moves. The strap's inability to stretch can't absorb energy, which increases the likelihood that it will break. The metal hooks on the ends can then come unhooked and launch through the air at high speeds, injuring bystanders or the vehicles. Using a tow strap with very little stretch is extremely unsafe.

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