Apparatus and method for producing diesel fuel and jet fuel using fischer-tropsch synthetic oil

An apparatus for producing diesel fuel and jet fuel using Fischer-Tropsch synthetic oil, the apparatus comprising a hydrofining reactor, a hot separator, a first rectifying column, a hydrocracking reactor, a hydroisomerization reactor, a second rectifying column, a first mixing chamber and a second mixing chamber;

• wherein
• the hydrofining reactor comprises a raw material inlet and a hydrofining product outlet;
• the hot separator comprises a separated oil outlet and a hydrofining product inlet which is connected to the hydrofining product outlet;
• the first rectifying column comprises a tail oil fraction outlet, a diesel fraction outlet and a separated oil inlet which is connected to the separated oil outlet;
• the first mixing chamber comprises a circulating hydrogen inlet, a first mixture outlet and a tail oil fraction inlet which is connected to the tail oil fraction outlet;
• the hydrocracking reactor comprises a hydrocracking product outlet and a first mixture inlet which is connected to the first mixture outlet;
• the second mixture chamber comprises a renewal hydrogen inlet, a second mixture outlet and a diesel fraction inlet connected to the diesel fraction outlet;
• the hydroisomerization reactor comprises a hydroisomerization product outlet and a second mixture inlet which is connected to the second mixture outlet;
• and
• the second rectifying column comprises an aviation kerosene outlet, a diesel outlet and a hydrogenation product mixture inlet which is connected to the hydrocracking product outlet and the hydroisomerization product outlet.