Free Essay

Mechanical Noise of Corn Shelling Machine Blower

In: Business and Management

Submitted By agrimachinery
Words 365
Pages 2
Mechanical Noise of CORN SHELLING MACHINE Blower
The corn shelling machine may have mechanical noise in working. There are three methods that can reduce the noise: a guarantee under the premise amount of wind pressure, a try to use low-power low-speed fan, the outlet pipe opening to avoid the three passive noise muffler selection.

The level of noise control technology and fan size and energy level, the gap control, vibration values for gap control properly, the efficiency up, energy consumption decreases, noise reduction. Fans of the usual maintenance: under normal circumstances, we will open a hole in the low-pressure turbine cleaning, and timely cleaning can reduce fan vibration, balance running 2 C fan timely replacement of oil

Fan vibration for the following reasons : a solid foundation 2 wheel bolt loose parts or grazing 3 4 5 out of the impeller inlet pipe deformation poor installation , impeller fouling resonance 6 7 installation errors, the motor shaft and the fan shaft misalignment.

Bearing temperature: 1 grease failure or mixed dust, impurities 2 bearing cover bolts too tight or loose links 3 bearing damage. A gas density is too large , the motor overload 2 grid voltage is too low or single-phase power

Grid voltage is too low or single-phase power for CORN SHELLING MACHINE:
1 fan is installed so that the motor should be grounded.
2 each time you start the fan intake damper closed tightly, upon turning to open the throttle properly .
3 fan operation is strictly prohibited to enter the foreign body.
In corn shelling machine industry, the policy can be divided into import and export policies, trade policies, purchasing and storage and auction policies that constitute the production on corn deep-processing industry, and affect corn shelling machine manufacturing.

While domestic corn deep-processing industry is affected by the impact of policies, and the extent of its impact is essentially the first order of industrial policy followed by the import and export policies. From the industry's future development policy to the direction of corn shelling machine, there should have an impact on specific aspects of supply and demand for raw materials and products industry.
http://www.corn-thresher.com/…...

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