Pipeline centrifugal pump operation maintenance how to efficiently solve air conditioning water system balance gate valve

Pipeline centrifugal pump operation maintenance how to efficiently solve air conditioning water system balance gate valve

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Pipeline centrifugal pump operation maintenance

First, the import pipeline must have liquid, strictly prohibit the pump in cavitation for a long time operation.

Second, check the motor current on time, can not exceed the rated voltage of the motor.

Third, after the long-term operation of the pump, because of the damage of mechanical equipment, the generator set noise and vibration expansion, should stop the inspection, when necessary can be replaced vulnerable parts and rolling bearings, generator set maintenance period is generally a year.

Fourth, the relatively high pressure of the system cannot exceed 1.6mpa, and the suction pressure generally does not exceed 0.3mpa.

Fifth, the substance is cold water, and the solid insoluble volume of the substance does not exceed 0.1% of the enterprise volume, and the particle size distribution shall not exceed 0.2mm.

Sixth, the relative humidity of surrounding air shall not exceed 40℃, the altitude shall not exceed 1000m, and the air humidity shall not exceed 95%.

Note: If the substance used contains fine particles, please indicate when ordering, so that manufacturers can choose wear-resistant mechanical seal.

*** indicates that the relatively high pressure cannot exceed 1.6mpa, which refers to the design scheme of the system

The suction pressure is generally not more than 0.3mpa, which means that the general mechanical seal is higher than 1.1mpa. If the suction pressure is more than 0.3mpa and 80 meters are used, the working pressure of the system will exceed 1.1mpa, which will destroy the mechanical seal.

How to solve air conditioning water system balance gate valve efficiently

How to solve air conditioning water system balance gate valve efficiently

Automatic constant differential pressure valve electric regulating valve is currently used to deal with air conditioning water system balance a good way, when the working pressure of the system changes, constant differential pressure valve can use to change their circulation total area to keep the pressure difference on both sides of the electric regulating valve consistent, so that the CV value of the regulating valve is one from beginning to end, To ensure that the electric regulating valve has been operating in the most ideal situation, really do the change of water is only related to temperature and work pressure irrelevant, you can ensure that the water into the air conditioning unit at any time is all the water you need. The system features more superior, more convenient maintenance.

After the application of automatic differential pressure valve electric regulating valve at the end of the system can save many applications in the hierarchical control of the static balance valve, so it can make the system more superior characteristics, more convenient maintenance.

Automatic constant differential pressure valve electric regulating valve is the key to ensure the hydraulic power balance of variable total flow air conditioning water system, the application of automatic balance ratio credit card integral regulating valve in the system can produce a lot of interests for you.

1. Because there is no need to carry out system adjustment, it saves a lot of inconvenience, saves the time of large quantities and reduces the completion date.

2. Because there is no need to use gate valve sets and gate valves for hierarchical operation, you can save more pipe fittings, heat insulation materials and installation costs and time.

3. The water system is in a state of balance at all times, so no matter installation installment project construction or equipment installment application is unlikely to harm the balance of the water system.

4. Even if the water system design scheme of some regions has to be changed due to the change of some uses in the middle and later stage of the project or after the capital is put into operation, it will not affect the water system design scheme of other regions, and it is unlikely to affect the water system balance of other regions.

5. Because the whole system is in balance, the refrigeration unit and centrifugal water pump will operate in the most environmental protection and energy saving mode, saving large quantities of operation and maintenance costs.

6. Because the total flow balance of the system is automatically realized by the system, it makes installation and maintenance more convenient, and avoids the possibility of damage to the balance by human factors.

Automatic balance ratio credit card score adjustment valve and balance valve

In fact, the balance valve is a cut-off valve that can be accurately set by human factors. It adjusts part of the friction resistance according to human factors to deal with the hydraulic power balance problem in part of the pipe of air conditioning water system. At the beginning of system adjustment, the system of all gate valves are in a certain opening, adjusting the staff according to the mathematical analysis model of the original one by one for each of the balancing valve for opening set (set gate opening for a certain value), but for different water system of the frictional resistance around the curves of * * * is not the same, and is unable to detect.

Thus, the balance valve only hazy, determine the operation of the water yield. For a variable total flow air conditioning water system, the change of the water volume of each air conditioning unit is random, the change of the working pressure of the whole pipeline system can not be measured, and the change of the opening degree of the regulating valve is random.


Post time: May-12-2022

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