Deceleration strip for sponge city

The invention discloses a deceleration strip for a sponge city. An arc-shaped main body is included. An inner portion of the arc-shaped main body is divided into a gas collection cavity and a water collection cavity through a partition plate. The gas collection cavity is positioned above the water collection cavity; the gas collection cavity is connected with the water collection cavity through apressure valve; a mounting groove is arranged in an upper part of the main body; a pressing plate is elastically mounted in the mounting groove; the mounting groove is connected with the gas collection cavity through a first one-way valve; a plurality of micro spray heads are fixedly mounted at the bottoms of the two sides of the main body; the micro spray heads are connected with the water collection cavity through a water outlet pipe; and the water collection cavity is connected with the outside through a temperature control valve, the temperature control valve comprises a memory alloy spring and a ball, a connectin