Qingdao Gofai provide with sponge rubber balls,
For more, please contact with Kathy Zhao,
Standard peeling rubber ball
The standard peeling rubber ball is especially suitable for various condenser copper tubes. The standard peeling rubber ball is also a kind of rubber ball commonly used in various power plants. The rubber ball is made of natural rubber with foaming and special additives. Standard peeling rubber balls can be used in various rubber ball cleaning equipment and water quality.
The peeling rubber ball effectively removes biological dirt and high-viscosity biological dirt. Suitable for stainless steel tube and titanium alloy tube heat exchanger.
Technical parameters and quality standards of sponge rubber ball for cleaning condenser
Rubber ball specifications and the inner diameter of the suitable cleaning copper pipe
Copper pipe inner diameter mm …… 16 17 …… 24 25 ……
Rubber ball diameter mm …… 15.5 16.5 …… 23.5 24.5 ……
Appearance quality standard of rubber ball
1. The pores are uniform and the size of the pores is basically close;
2. The hole lacks glue, the depth is not more than 3mm, each ball is not more than 3, and the total area of the lack of glue is not greater than the outside.
10% of the surface area;
3. The diameter tolerance of the rubber ball is ±0.5mm;
4. Ordinary ball Φ16-Φ28, peeling ball Φ16-Φ27, gold steel sand rubber ball Φ16-Φ26.
After immersing in water at 40±1℃ for 48 hours, the wet density change is 0.90～1.20g/cm3 and the diameter change rate does not exceed 10% of the ball diameter.
3. How to use
The number of cooling pipes on one side and one process of the condenser is 7%-13%. Depending on the time required for one rubber ball cycle, take the lower limit or the upper limit or its close value. The time for a rubber ball cycle is generally 30 seconds as the limit. .
·Gum ball replenishment cycle or replacement cycle
The rubber ball replenishment cycle is a total of 7 runs of the rubber ball cleaning system, and the replenishment cycle can also be adjusted according to the specific conditions of the unit.
The rubber ball replacement cycle, according to the statistics of domestic ball use, is that the rubber ball cleaning system runs 60 times in total.
In addition, after immersing in water for a period of time, individual rubber balls may swell too much, causing the diameter to exceed the standard. When refilling and replacing rubber balls, they should be replaced in time to prevent the cooling pipe from being blocked.
Fourth, the conventional model
Name Rubber ball diameter (mm) Rubber ball diameter (mm)
16, 17, 18, 19, 20 21, 22, 23, 24, 25, 26, 28
Emery rubber ball 12, 14, 16, 17, 18, 19, 20 21, 22, 23, 24, 25, 26, 28
Standard peeling ball 12, 14, 16, 17, 18, 19, 20 21, 22, 23, 24, 25, 26, 28, 29
For continuous cleaning, it is necessary to send the rubber ball into the cleaning system. The rubber balls that have been cleaned of the cooling pipe are recovered in time and used to clean the pipe again. The accumulation of dirt on the heat exchange surface of the water side of the condenser of the power plant not only deteriorates the vacuum and reduces the thermal efficiency of the steam turbine, but also causes corrosion and leakage of the copper pipe, which may threaten the operation of the steam turbine in severe cases. Rubber ball cleaning is an effective method to accumulate dirt on the heat exchange area on the side of the condenser tube and is an ideal cleaning method in the case of fouling.
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