I believe you in a lot of sewers, you will find the existence of anti-mosquito sluice, it is mainly a can move under the water baffle. Its use is mainly controlled by the automatic closing balance door. When there is no water in the water, it is closed. When there is water in the anti-mosquito brake, the water will impact it through the water and then let it open automatically.
After the anti-mosquito brake, either on a rainy day, let the rain normal discharge, also can effectively prevent the mosquitoes, flies, cockroaches, rats and other pests in and out of the sewer, but also prevent stroll to and accumulate in shajing stench from shajing mouth overflow, an effective control of vector biological breeding, shielding gas, have the effect of prevent the spread of disease, further to improve the living environment around.
