If you observe carefully, you will find that when we flush the toilet on high-speed trains, we use much less water than the domestic toilet, and the impact is significantly greater. Why is that? Since the toilet used in high-speed rail is a vacuum toilet, here is how it works:
In order to reduce the use of flushing water, the air pressure difference generated by the flushing system is used to suck the dirt out of the toilet in the form of air suction. It is the sewage through the vacuum pipe, add a small amount of flushing water collected into the vacuum tank. After the use of vacuum public toilet, each flushing <0.8L/ time; Thoroughly solve the small space, air is not smooth toilet smell problem.
Advantages:
1. Complete odor problem: negative pressure is sucked from outside to inside, and the odor will not spread into the air. Thoroughly solve the small space, air is not smooth toilet smell problem.
2. Saving flushing water：The traditional water-saving toilet is 6L/ time, while the vacuum public toilet is less than 0.8L/ time
3. Simplified installation procedure, cost saving because negative pressure is the power source, pipeline installation process can follow the structure of the external, internal linear, curved type, even up and down are no problem, and these, the traditional gravity flow is more difficult to do. In addition, because of the use of negative pressure source, conveying pipe diameter can be greatly reduced, about 1/3 of the original.
4. Not easy to plug, stable operation using -0.045 ~ -0.075 negative pressure source can ensure that there is enough power to transport the original.
