Method and equipment for producing automotive diesel fuel from medium temperature coal tar light oil as raw material

The invention discloses equipment for producing an automotive diesel fuel from medium temperature coal tar light oil as a raw material. The equipment comprises a preheating tank for preheating the raw oil, a cyclic heating system for heating and gasifying the preheated raw oil, and a catalytic separation system for catalyzing and separating the raw oil which is heated and gasified previously, wherein the cyclic heating system comprises a cyclic kettle and a tubular furnace for heating and gasifying the preheated raw oil; and the catalytic separation system comprises a catalatic tower for catalytically cracking the gasified raw oil and a separation tower for separating a product obtained through the catalytic cracking. In addition, the invention also discloses a method for producing the automotive diesel fuel from the medium temperature coal tar light oil as the raw material by using the equipment. The equipment provided by the invention is reliable to run, simple to operate, and capable of realizing continuou