Backward flow condensing equipment

The utility model relates to a backward flow condensing equipment in chemical production field, the device include reactor and direct condenser, and the feed inlet at direct condenser top is connected to the ascending gas port at reactor top, and the liquid outlet of direct condenser bottom passes through the back flow to be connected with the backward flow mouth at reactor top, and direct condenser's lower lateral part sets up the gas outlet, still include the demister, the demister is the drum ladle, the inside silk screen of filling, and the peripheral hardware adds the cover, adds to sheathe in to be equipped with water inlet and delivery port, and the demister lateral part sets up the feed inlet, and the bottom sets up the liquid outlet, and the delivery port is connected with direct condenser's water inlet, and the feed inlet is connected with direct condenser's gas outlet, and the liquid outlet is connected with the back flow. Along with twice condensation of material in condenser and demister of acces