The water outlet at the bottom of the sprinkler truck was fitted with a “duckmouth”. The sprayed water was fan-shaped and was close to the ground like a shovel.

At the end of February this year, 4 sets of sprinklers were introduced. After a period of washing operations, the original outlet was found to be far away from the water flow, but the pressure was not so great. It was easy to form mist in the air, and only the floating ash could be cleaned. The road surface was washed thoroughly and it did not reach the standard of “welcoming road” on the road section.

After some research on the maintenance team of the cleaning team, the original two sets of water outlet pipes of the four sprinklers were rebuilt, four sets of pneumatic valves were added, and a “duckmouth” was put on the outlet to make the water spouted. Fan-shaped, the water coverage is wider and the water pressure is greater. "Duckbill" can also be rotated to bring water closer to the ground, just like a "water shovel" under the sprinkler.

In the past, three cars washed an area of ​​120,000 square meters and washed 5 times back and forth. Now one of them has been converted into a modified car, and as long as 4 miles can solve the problem, 17 tons of water and one hour of time can be saved.

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