Product introduction
The double-start bridge type, the fish scale floor air passage and the underground air passage (ground and lower ventilation cage) are the ideal products obtained by long-term repeated trials of experts such as grain storage and grain conservation in China.
Applicable to long-term storage of wheat, rice, corn, soybeans, etc. It is the ideal ventilation equipment for medium storage, national storage and local large grain storage. It is used for room warehouses and open-air bulk grain, which can make air flow evenly into the grain pile. Effectively implement multi-directional operation such as cooling, precipitation, chemical fumigation, air conditioning, quenching and tempering, elimination of residual poison, and odor. Its products are beautiful in appearance, reasonable in structure, anti-oxidation, anti-corrosion, anti-extrusion, no leakage, easy to install and save time, convenient storage and long service life.
The ground ventilation cage is inverted U-shaped. The dimensions are (1000*340*500mm) and (1000*260*400mm). Both ends are turned outward 20mm. Thick cold rolled steel sheets are used. The air duct is fixed with three and two ribs per meter.
It is mainly composed of distribution box, main air duct, branch air duct, air flow regulating valve, three-way, elbow, plug and other components.
Second, technical parameters
Sheet cold rolled sheet thickness ≥ 1.5mm
Air distribution box plate thickness 3mm
Elbow radius 1.5D
Air duct opening ratio ≥35
Quota continuous
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Ventilation cage
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An Analytical Balance (often called a "lab balance") is a class of balance designed to measure small mass in the sub-milligram range. The measuring pan of an analytical balance (0.1 mg or better) is inside a transparent enclosure with doors so that dust does not collect and so any air currents in the room do not affect the balance's operation. This enclosure is often called a draft shield. The use of a mechanically vented balance safety enclosure, which has uniquely designed acrylic airfoils, allows a smooth turbulence-free airflow that prevents balance fluctuation and the measure of mass down to 1 μg without fluctuations or loss of product.[citation needed] Also, the sample must be at room temperature to prevent natural convection from forming air currents inside the enclosure from causing an error in reading. Single pan mechanical substitution balance maintains consistent response throughout the useful capacity is achieved by maintaining a constant load on the balance beam, thus the fulcrum, by subtracting mass on the same side of the beam to which the sample is added.[citation needed]
Electronic analytical scales measure the force needed to counter the mass being measured rather than using actual masses. As such they must have calibration adjustments made to compensate for gravitational differences. They use an electromagnet to generate a force to counter the sample being measured and outputs the result by measuring the force needed to achieve balance. Such measurement device is called electromagnetic force restoration sensor.
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