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Shanghai Guandai Ventilation Energy saving Equipment Co., Ltd
Boiler centrifugal fan
NegotiableUpdate on 04/11
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Overview
When the impeller of the boiler centrifugal fan is driven to rotate by the electric motor, the gas filled between the blades rotates together with the impeller. Under the action of centrifugal force, the gas is thrown out of the groove between the blades and transported out from the outlet of the impeller. When the outflow of gas causes a vacuum in the impeller space, the external gas will automatically enter the impeller to replenish. Due to the continuous operation of the fan, gas is sucked in and out, forming a continuous flow of gas and thus forming continuous operation.
Product Details
Boiler centrifugal fan
When the impeller of a centrifugal fan is driven to rotate by an electric motor, the gas filled between the blades rotates together with the impeller. Under the action of centrifugal force, the gas is thrown out of the groove between the blades and transported out from the outlet of the impeller. When the outflow of gas causes a vacuum in the impeller space, the external gas will automatically enter the impeller to replenish. Due to the continuous operation of the fan, gas is sucked in and out, forming a continuous flow of gas and thus forming continuous operation.
From the perspective of a fan, there is no difference between a supply fan and an induced draft fan. Both fans are driven by an electric motor to rotate the fan blades, generating wind. Although more complex than an electric fan, there is essentially no difference. The different functions of induced draft fans are determined by their installation locations. The former is located at the rear end of the boiler, blowing air into the flue outside the boiler, creating negative pressure on the furnace, and guiding the flue gas, so it is called an induced draft fan; The latter is located at the front end of the boiler and blows air into the boiler, so it is called a blower.
The noise level of the blower and induced draft fan in the boiler room is generally around 90 decibels. Due to the high temperature of the boiler flue gas transported reaching 180 ℃, using enclosed sound insulation can lead to poor heat dissipation, high motor temperature, and even motor burnout. Therefore, combining the noise reduction and energy saving aspects of the fan in the process .
Through practice, the comprehensive treatment plan for energy-saving and noise reduction of boiler fans is as follows: keep the process layout of the boiler room unchanged, place the blower and induced draft fan separately in the soundproof room, connect them to the main unit with ventilation pipes, open air inlets on the top or wall of the soundproof room, and install noise suppressors for air intake in the machine room. When arranging the plan, place the blower near the boiler room, the air inlet on the upwind side, and the motor in the middle of the airflow channel.Boiler centrifugal fan
