Dust collection blackboard rack
A blackboard and board body technology, applied in the field of blackboard racks, can solve problems such as dead corners of sanitation, unfavorable health, air pollution, etc., and achieve the effect of rapid removal
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[0008] figure 1 The chalk dust scattered downward from the blackboard body 1 will enter the interior of the box body 2 through the suction hole 3 on the top cover of the box body 2. At this time, there is an appropriate amount of water inside the box body 2 to absorb the entered chalk dust. , so that the scattered chalk dust is collected and fixed. When cleaning, open the piston of the water outlet hole 5 on the side of the box body 2, and the sewage with chalk dust will flow out of the box body 2 downward along the slope 4 at the bottom of the box, and catch the sewage with a sewage bucket at the water outlet hole 5 , when you use it again, just replace it with clean water from the suction hole 3.
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