Heat recovery unit for raw coke oven gas of ascending pipe of coke oven

The invention discloses a heat recovery unit for raw coke oven gas of an ascending pipe of a coke oven. The heat recovery unit comprises a water/gas storage tank, wherein the bottom end of the water/gas storage tank is connected with a water outlet pipe, a gas inlet pipe is connected to the middle part of the water/gas storage tank, the water outlet pipe and the gas inlet pipe are connected with an intrinsic device, the intrinsic device is provided with a heat exchange device, a water inlet annular pipe matched with the water outlet pipe is arranged at the bottom end of the heat exchange device, the water inlet annular pipe is connected with a water inlet pipe, and a water/gas outlet annular pipe matched with the gas inlet pipe is arranged on the top of the heat exchange device and is connected with a water/gas outlet pipe. The heat recovery unit has the characteristic of high heat conversion rate due to arrangement of the heat exchange device and further has the effect of excellent safety due to the arrangement of steel sleeves in and outside pipe sleeve type heat pipes arranged in the heat exchange device. In addition, the heat recovery unit has the advantages of efficient working efficiency and excellent heat supply rate.