Novel heat exchanger for urban heating

The utility model provides a novel heat exchanger for urban heating, which comprises a fixed end plate, a movable end plate and a plurality of heat exchange plates, two guide rods are respectively mounted at the centers of the upper end and the lower end of the rear side of the fixed end plate, a fixed end post is mounted on the rear sides of the two guide rods, the movable end plate is positioned between the fixed end plate and the fixed end post, and the heat exchange plates are arranged on the movable end plate. Containing grooves are formed in the centers of the upper end and the lower end of the movable end plate correspondingly, rolling wheels are rotationally connected to the inner walls of the two sides of each containing groove, pulley yokes are further installed on the two sides of each containing groove, spherical wheels are installed in the two pulley yokes, sliding grooves are formed in the two sides of the guide rod located at the upper end, and the two spherical wheels are located in the slidin