Automatic PH value adjusting and alarming device for air conditioner closed-type chilled water system of power plant
A chilled water system and automatic adjustment technology, which is applied in heating and ventilation control systems, heating and ventilation safety systems, heating methods, etc. Real-time monitoring and out-of-standard alarms, reducing corrosion and extending operating life
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Embodiment 1
[0056] Embodiment 1, set the ratio of the total water volume in the supplementary water tank 9 to the volume of the air-conditioning closed chilled water system 1 as x (x<1), consider that the primary supplementary water volume is the total water volume in the supplementary water tank, and set the chemical desalinated water The pH value is a, set the corrosion inhibitor of the dosing system as ammonia and set the system pH value to b. The high threshold and low threshold of the first pH sensor 7 are set as PHg and PHd. The diameter of the chemical desalinated water inlet pipe is D, the diameter of the water inlet pipe of the dosing system is d, the second valve 11 and the third valve 12 are set as linear valves, the second valve 11 is the valve on the chemical desalted water inlet pipe, and the second valve 11 is set as the valve on the chemical desalted water inlet pipe. Three valves 12 are valves on the water inlet pipe of the dosing system.
[0057] Set the required pH val...
Embodiment 2
[0074] Embodiment 2, set the total water volume in the replenishment tank 9 and the capacity ratio of the air-conditioning closed chilled water system to be 5%, think that the primary replenishment volume is the total water volume in the replenishment tank for simplified calculation, and set the pH value of chemically desalinated water to 6.5, Set the corrosion inhibitor as ammonia and set the pH value of the dosing system to 10. The high threshold and low threshold of the first pH sensor 7 are set to PHg=10.5 and PHd=6. The diameter of the chemical desalinated water inlet pipe is DN50, the diameter of the water inlet pipe of the dosing system is DN10, the second valve 11 and the third valve 12 are set as linear valves, the second valve 11 is the valve on the chemical desalted water inlet pipe, The third valve 12 is a valve on the water inlet pipe of the dosing system.
[0075] Set the required pH value of the air-conditioning closed chilled water system 1 to 7.
[0076] The...
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