How to deal with Tongfei cooler high conductivity alarm

Introduction How to deal with Tongfei chiller high conductivity alarm 1. Firstly, the meter display fault should be eliminated, and then the cause should be analyzed in more detail. 2. When it is confirmed that the cold water quality is not qualified, it should be car

How to deal with Tongfei cooler high conductivity alarm

1. First of all, the counter display fault must be eliminated, and then the cause must be analyzed in more detail.

2. When it is confirmed that the cold water quality is not qualified, the cold water tank should be refilled and replaced immediately, and the reasons should be checked.

3. Check the hydrogen automatic patrol instrument to confirm whether it is caused by hydrogen leakage in constant cold water. Report the value timely and monitor changes in parameters such as hydrogen pressure and constant cold. water pressure, conductivity, etc., if necessary Stop for treatment.

4. If impure water infiltrates, the constant cooling water pressure of the cold water may be higher than the constant cold water pressure of the generator or chiller inlet . be discovered and adjusted as soon as possible to ensure that the pressure remainsuse cold water. If the cooling water pressure is higher than the cooling water pressure, install a backup chiller, isolate the leaking chiller and contact for maintenance. Or, the water quality in the replenishment pipe of the deionized water tank is not up to standard and the water needs to be replenished after the discharge water quality is up to standard.

5. Check if the ion exchanger is working normally. If the amount of water entering is too low, adjust the inlet and outlet water gates of the ion exchanger.

6. If the ion exchanger resin expires, it should be replaced in time. Check whether the ion exchange resin is faulty and replace it in time. When the conductivity indicates that the conductivity has increased to 1.5 μS/cm, the ion exchanger resin should be replaced and the water in the water tank should be changed.

7. When the conductivity of water entering the stator winding reaches 9.5μS/cm, the generator should be quickly decoupled from the power grid, the excitation of the generator should be released, and the generator should be treated as a emergency stop.

Xi'an Zhengqinghe Environmental Technology Co., Ltd. has been engaged in the technical research and development of generator internal cooling water treatment systems for a long time. The developed nuclear grade internal cooling water resin has a high transformation rate. high work exchange capacity and long operating cycle. Long and stable operating indicators and other advantages. Nuclear-grade internal cooling water resin has applied for an invention patent, titled: "A development process of nuclear-grade internal cooling water resin", patent number: 201910932995.8. The resin model of eau nuclear grade internal cooling is: ZQH-NGWR. Nuclear grade internal cooling water resin is an imported resin with better performance than domestic resin. The resin is thoroughly regenerated through a special process and filled according to a special formula. The resin has undergone strict pretreatment and deep regeneration, which significantly reduces the content of weak and organic leachable polymers and improves the processing rate. The hydrogen type rate of nuclear grade internal cooling water resin cation resin can reach more than 99%, and the hydrogen-oxygen type rate of anion resin can reach more than 95%, which greatly improves labor exchange capacity and lifespan. For 500-600L ion exchangers, the working cycle can reach two and a half to four years, which is longer than water resin ofordinary internal cooling on the market. After the nuclear grade internal cooling water resin is put into operation, for the stator cooling water system using the alkaline ion exchange method, the pH value of the stator cooling water after a stable operation is 8.0 to 9.0, conductivity is 0.4 to 1.0? s/cm, Cu2+≤10? The system indicators are better than the internal cooling water quality requirements stipulated in the national standard DL/T801-2010 “Internal Cooling Water Quality and System Technical Requirements for Large Generators”.

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