Oil gas adsorber

The invention discloses an oil gas adsorber which comprises an adsorber top cover (16), an adsorber main body (1) and an adsorber bottom cover (3) that are connected through bolts (14), wherein the adsorber top cover (16) is provided with an emptying hole (17), and the adsorber main body (1) comprises a composite adsorbing material (11) and a circulating water jacket (12); the circulating water jacket (12) is provided with a circulating water jacket water inlet (8) and a circulating water jacket water outlet (13); the adsorber bottom cover (3) is provided with an oil gas inlet (2), a drain outlet (4), a vacuum pump port (5), a pressure sensor (6) and a pressure meter (7); and the composite adsorbing material (11) is a mixture of foam metal and an adsorbing agent. In the invention, heat radiation is enhanced through the foam metal, the circulating cooling/heating water jackets is additionally arranged outside the oil gas adsorber to enhance heat transfer, thus the temperature rise problem in the adsorber and the temperature drop problem in a desorber can be effectively solved.