Natural gas purification device

The utility model discloses a natural gas purification device. The inner wall of a barrel cover is connected with a sealing ring A, the upper end of the inside of the barrel cover is provided with a sealing ring B, and the outer wall of a barrel is provided with through holes. The upper end of the barrel is connected with the barrel cover, and glycerol is placed between the sealing ring A and the sealing ring B. The inner part of the barrel is connected with an inner container cavity which is connected with hanging elements. The outer wall of the cavity is provided with through holes, sides of the barrel and the outer wall of the cavity are respectively provided with feeding holes and hot discharge holes from top to bottom, and the opposite sides thereof are respectively provided with hot intake holes and discharge holes from top to bottom. Each feeding hole, each hot discharge hole, each hot intake hole and each discharge hole are respectively provided with a valve A, a valve B, a valve C and a valve D. An oxygen content detector is arranged on the discharge hole and between the outer wall of the barrel and the valve. A heat conduction pipe is arranged in the cavity, the free ends of two adjacent U-shaped square pipes are connected by a vertical assistant pipe, the free end of the upper end of the U-shaped square pipe is connected with the heat intake hole, the free end of the lower end of the U-shaped square pipe is connected with the hot discharge hole, and the upper surface of the outer part of the U-shaped square pipe is made of red copper oxide. The natural gas purification device is simple in structure, relatively low in cost and thoroughly purified, thus the natural gas is ensured in quality.