Maintenance and maintenance of solar collector hot water project

 

Solar heat collection system is widely used in hot water engineering because of its characteristics of stable operation, long life and no consumption of conventional energy. If it can be properly maintained in daily use, it will be extended and the operation time will be more than 20 years. Then how to maintain the solar heat collection system in operation?

1. Maintenance and maintenance of solar collector

1.1 Ensure that there is a medium inside the solar collector to avoid stuffy and empty sun in the operation of the system

Avoiding sultry heat and air exposure is an important part of the operation of solar heat collecting system, especially the vacuum tube heat collecting system, but also to ensure that there is a medium operation. At the same time, it is also necessary to ensure the flow of the collector mediator, so as not to cause sultry.

1.2 Antifreeze in low temperature environment

The solar energy system with antifreeze medium should check whether the antifreeze medium is qualified before the freezing period to ensure that the hot water system can operate stably under low temperature environment.

Without the use of anti-freezing media system, you can use forced circulation, half tropical measures such as anti-freezing, winter does not use the system needs to be emptied measures.

1.3 Excessive heat problem

If the water temperature in the heat storage tank is too high and the solar radiation energy is too strong in the process of use, the whole block of partial solar collector can be covered to block the solar radiation and reduce the heat generation capacity.

1.4 Cleaning and descaling of solar collector

The glass part of the solar collector should be inspected frequently, cleared of dust and cleaned regularly. Scale is easy to form in the inner part of the collector during operation, which will interfere with the absorption of heat radiation by the heat collecting system, reduce the conversion efficiency and affect the use of the hot water system. Therefore, scale should be removed regularly.

2. Maintenance and maintenance of heat storage parts

2.1 Check the heat storage water tank regularly, and repair the damaged water tank in time.

2.2 Regularly check that the valve, controller and empenting device of the water storage tank can be used normally.

2.3 Check the water storage tank regularly to prevent foreign matter from entering and causing circulation pipe blockage.

2.4 Clean the scale in the water tank regularly. Especially in areas with hard water quality, special attention should be paid to the scale.

3. Maintenance and maintenance of piping system

3.1 Ensure that the insulation layer and surface moisture-proof layer of the pipeline shall not be damaged or replaced to prevent the occurrence of thermal bridge and condensation and dripping.

3.2 Ensure that there is no air in the pipeline to prevent hot water from being transported to each water distribution point due to air blocking.

3.2 Keep the system pipeline smooth and flush regularly to prevent the deposition of rust and blockage of pipes.