NOVELTY - A membrane-type biogas tank with hanging part, comprises a membrane-type biogas tank liner, a raised hanging part on the liner, a groove for supporting the liner on the wall, bonding cloth, and a male piece with engaged teeth; where the membrane-type biogas tank liner is made of polyethylene macromolecular composite material; the liner is a rectangle solid, cylinder, sphere, and ellipse; the raised hanging part on the liner is connected with the liner by hot melting method; a hole is installed on the raised hanging part; and the raised hanging part and groove are assembled body.    USE - The membrane-type biogas tank with hanging part is useful for industrial and commercial applications.    ADVANTAGE - The membrane-type biogas tank with hanging part solves the quick installation and fixation problems of the current membrane-type biogas tank.    DETAILED DESCRIPTION - A membrane-type biogas tank with hanging part, comprises a membrane-type biogas tank liner, a raised hanging part on the liner, a groove for supporting the liner on the wall, bonding cloth, and a male piece with engaged teeth; where the membrane-type biogas tank liner is made of polyethylene macromolecular composite material; the liner is a rectangle solid, cylinder, sphere, and ellipse; the raised hanging part on the liner is connected with the liner by hot melting method; a hole is installed on the raised hanging part; the raised hanging part and groove are assembled body; the raised hanging part is a semi-circle clamping tenon with inverted hook; the clamping tenon is embedded to the groove to be fixedly connected; the bonding cloth and male piece with engaged teeth are assembled body, which are bonded and then integrally fixed on the membrane-type biogas tank liner; and after being located, the male piece with engaged teeth is fixed on the wall to be engaged with the bonding cloth.    DESCRIPTION OF DRAWING(S) - The drawing shows a sectional view of the membrane-type biogas tank with hanging part.