Separation method and separation apparatus for direct liquefaction product of coal

The invention discloses a separation method for the direct liquefaction product of coal. The separation method comprises: A, preheating the direct liquefaction product of coal; B, separating the preheated direct liquefaction product of the coal to obtain an oil gas product and a solid product; and C, carrying out fractionation treatment on the oil gas product obtained in the step B step to obtain a gas product and a liquid product. The present invention further discloses a separation apparatus for the direct liquefaction product of coal and for achieving the separation method. According to the present invention, the method and the apparatus have advantages of simple process, mature, reliability, low energy consumption, and good economic benefit. 本发明公开了种煤直接液化产物的分离方法，由如下步骤组成：A、对煤直接液化产物进行预热处理；B、对经预热处理的煤直接液化产物进行分离处理，分离出油气产物和固体产物；C、对B步所得的油气产物进行分馏处理，得气体产物和液体产物。本发明还公开了实现上述分离方法的种煤直接液化产物的分离装置。本发明流程简洁、成熟可靠、能量消耗较低，经济效益较好。