All permits shall be subject to further regulation that may be imposed by the council, and nothing in this chapter contained shall be construed to create any vested right in any person to the assignment, renewal, reissuance or continuance of any permit, and the right shall be and remain at all times vested in the council, and the council may as hereinafter provided, revoke and cancel any permit for fraud or misrepresentation in its procurement, or for a violation of any of the provisions of this chapter, or any other ordinance of the city, or for a violation of any state or federal statute, or for any conduct or act on the part of the person to whom the permit is issued, or the employees of such person, or permitted by him or them on the premises where such apparatus is used, or in connection therewith, or adjacent thereto, tending to render such premises where the same is used a public nuisance, or a menace to the health, peace or general welfare of the city.