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Introduction to circulating water pumps

Introduction to circulating water pumps

The circulating water pump is installed at the heating station (heating center), heat source or cold source, etc. In the closed loop of a heating system or air conditioning water system, the circulating water pump does not lift the water to a high level, but rather circulates the water in the system repeatedly, overcoming the resistance loss of the loop and not directly related to the height of the building. Therefore, it is called a circulating water pump.

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Debugging and maintenance of circulating water pump

Debugging and maintenance of circulating water pump

After the switch is completed, debugging and inspection should be carried out to ensure that the water pump operates normally and there are no abnormal situations. 2. The water pump equipment should be cleaned and maintained in a timely manner, and the components of the water pump should be replaced regularly to ensure the normal operation of the water pump and extend its service life. 3. When switching, attention should be paid to following the manufacturer's usage specifications and operating steps to ensure stable operation of the water pump and reduce the possibility of malfunctions. In short, switching between circulating water pumps requires mastering professional skills and standardized operating procedures, paying attention to the maintenance and debugging of the water pump, and avoiding unnecessary losses caused by misoperation, faults, etc. I hope the precautions in this article can provide reference for everyone to ensure the normal operation and service life of the circulating water pump.

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Precautions for switching circulating water pumps

Precautions for switching circulating water pumps

1、 Preparation before operation 1. Understand the principle and structure of water pumps, master operating methods, and avoid misoperation. 2. Check whether the circulating water pump operates normally and ensure that there are no faults in the water pump to avoid accidents during the switching process. 3. Before switching, the water pipeline should be checked to ensure that it is smooth and there is no leakage. 2、 Steps for switching 1. Stop the water pump currently in use and let it slowly stop running to avoid impacting the pipes and valves. 2. Close and lock the outlet and inlet valves of the current water pump. 3. Open the inlet valve of the water pump to be switched on, connect the power supply, and turn on the power switch. 4. Slowly open the outlet valve of the water pump to be switched, remove impurities such as air from the pipeline, and ensure the normal operation of the water pump. 5. When the switched water pump stops completely, turn off the power switch of the water pump and lock the power isolation switch.

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The difference between cold water pump and hot water pump

The difference between cold water pump and hot water pump

First of all, let's talk about hot water pumps and cold water pumps: The commonly used cold water pumps refer to pumps that can transport liquids with temperatures below 80 ° C, which are generally referred to as cold water pumps. Pumps with temperatures between 80 ° C and 120 ° C are generally referred to as hot water pumps. 1. The selection of materials varies, with hot water pumps using heat-resistant steel, hot water pumps using 13% Cr steel, etc., and cold water pumps not required. 2. Pay attention to the matching of dynamic and static gaps, as there may be some differences. 3. It is necessary to consider the expansion coefficients and their differences for all materials used as a whole. 4. It is necessary to consider installation, and after being heated, it should be neutral and have thermal expansion guidance, which is the same as for large units. 5. Consider insulation and the temperature difference between the upper and lower sides of the shell, which can cause deformation and cause accidents. 6. The sealing method may be different.

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The difference between direct heat pump and circulating heat pump

The difference between direct heat pump and circulating heat pump

Simply understood, cold water from the outside enters the heat pump unit and comes out with 60 ℃ hot water, and there is no small water tank inside the equipment. Due to the absence of a circulating water pump between the insulation water tank and the equipment, the start and stop of the equipment are completely controlled by the high and low water level controllers of the water tank.

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