Functions of retrofitting circulating water turbines
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Our unit previously modified a turbine, and we went on another inspection trip at the end of 2011. But it is said that the actual performance of this device is not ideal. I would like to ask if it is really necessary to purchase it?
This post was last edited by lijianhuai on 2012-3-5 at 10:55. The effect is good; as long as the backflow pressure meets the requirements, it’s fine； Our circulating water volume is around 16,000–20,000 tons. It was upgraded in October 2011, and it has performed well since its installation. This technology should be quite mature by now. Comparison of relevant target data before and after the modification: supply pressure, return pressure, fan speed, and notes. Before modification: 0.40~0.50 MPa for supply pressure, 0.15～0.25 MPa for return pressure; fan speed was 127 rpm with no possibility of adjustment. After modification: 0.40~0.50 MPa for supply pressure, 0.15～0.25 MPa for return pressure; maximum fan speed is 126 rpm, with a required flow rate of 4000 m3/h. The return pressure remains at 0.25 MPa, and the fan speed can be adjusted
Our return water pressure isn’t that high; it’s below 0.15 MPa. I felt that the original one didn’t work very well at all.
It’s possible. We’ve installed one as well, and the results are good – it allows us to eliminate one fan. However, it increases the amount of work required for operation. Another thing to keep in mind is to avoid exceeding the maximum rotation speed; we have turbines that lower the blades by one position each,…
Looking at the more than a dozen projects that we have carried out in collaboration with companies such as Baling and Liuhua, the longest service period for these projects has been over 3 years, and no problems have occurred yet. If you have any questions, feel free to contact me
The quality of the results depends on the amount of excess energy in the system; accurate measurement and calculation are crucial in the initial stages. Some manufacturers are irresponsible or lack the skills needed for such measurements and calculations, so the results are good when conditions are favorable but poor otherwise. If you’re interested, we can discuss this further
I saw a manufacturer take this thing apart anyway. Products with Chinese characteristics – my friend, after all, has a proper educational background; how could he use such things?
The flow rate can be increased by borrowing water and then returning it.
It depends on the circulating water flow rate and the return pressure of the circulating water; our company upgraded one unit, but the results were not good