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Introduction to the function and characteristics of fire control cabinet

The fire control cabinet is widely used in many high-rise buildings, shopping malls, schools and other crowded places. This equipment enables the fire pump to cut off the circuit or alarm through the components in the fire control cabinet when it fails, and play a warning and The role of protection.

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1. Power switch and protection function
The fire control cabinet is usually designed with a circuit breaker element, which is connected to the incoming power supply, which can help the control cabinet complete the on-off operation of the circuit, and can provide protection when the circuit and the frequency converter are short-circuited or overloaded. In addition, the frequency conversion cabinet can also cut off the power supply during motor maintenance to ensure the safety of operators.
2. Intuitive control function
The cabinet body is designed with a display device and an operation panel, which are connected to the internal electrical components, which can visually display the operating status of the control cabinet, and at the same time facilitate the operator to control the operation of the frequency conversion device and perform on-site operations on the controlled equipment such as the motor.

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    Fire pumps are a type of pump used in fire fighting. Compared to ordinary pumps, fire pumps have higher standards and requirements in terms of sealing, corrosion resistance and operational efficiency. Before running the fire pump equipment, we need to discharge the gas inside the pump, do you know what is the significance of doing so? The following is the answer from Shanghai Xizhiquan.

    1. If there is gas inside the fire pump, then the equipment cannot form a sufficient vacuum during operation, resulting in the liquid not being able to be sucked up. This phenomenon is called gas binding, and is a phenomenon that often results from many operators not understanding this operation.
    2, understand the formation of gas binding causes, we will understand how to avoid this problem occurs. Before the fire pump equipment is started, the pump casing needs to be filled with liquid. In the pump suction pipe mouth need to be equipped with a non-return valve, can effectively avoid the pump in the liquid due to gravity into the low tank, if the pump position is low, there is no need to carry out filling the pump.
    3. The compressed gas inside the fire pump will occupy a certain space in the fire pump, making it impossible to seal it.

    Therefore, the operation of deflating the fire pump before putting it into use can increase the vacuum of the equipment and increase the pumping capacity of the pump, thus effectively improving the efficiency of the equipment and reducing the waste of resources.