Automatic separating and conveying device for casing gas of producing well

The utility model discloses a producing well casing gas automatic separating and conveying device which is provided with a three-way body and a clamp head, a lower vertical pipe of the three-way body is connected with an upper vertical pipe through an oil pipe coupling, the top of the upper vertical pipe is closed, and the top of the upper vertical pipe and a sealing seat fixedly connected to the top of a guide cylinder in the upper vertical pipe form a gas collecting chamber. The gas conveying pipeline is connected with the gas collecting chamber; a gas passing hole is formed in the cylinder wall of the guide cylinder, and the floating cylinder is mounted in the guide cylinder; casing gas can enter the gas collecting chamber through the gas passing hole and a central hole of the sealing seat; the filter plates and the filter balls are arranged in the lower vertical pipe and the upper vertical pipe of the three-way body, and when the sleeve gas water in the three-way body overflows, the buoy can block the cen