Coke oven ascending pipe waste-heat utilization equipment
A waste heat and coke oven technology, which is applied in the field of coke oven riser waste heat utilization equipment, can solve the problems of affecting the flow performance of working fluid, insufficient circulation, and easy deformation of the inner cylinder under stress, so as to solve the problems of coking and corrosion, increase Efficiency of waste heat recovery and effect of reducing possibility of coking
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[0031] Example 1
[0032] Such as Figure 1-3 As shown, this embodiment provides a coke oven riser tube waste heat utilization equipment, including a riser tube heat exchange device and a steam-water separator. The riser tube heat exchange device includes a shell, a heat insulation layer, and a refractory that are sequentially arranged from the outside to the inside. Layer and heat exchange channel 2;
[0033] Wherein, the heat exchange channel 2 includes spirally arranged heat exchange pipes, two adjacent heat exchange pipes are closely attached to each other, and the outer wall of the heat exchange pipe facing the center of the heat exchange channel 2 is provided with a nano non-stick coating;
[0034] The heat exchange channel 2 includes a heat exchange pipe, and two adjacent heat exchange pipes are connected in a sealed manner;
[0035] The outer shell is in sealed connection with the carbonization chamber and the bridge pipe,
[0036] The upper end of the heat exchange pipe is pr...
Example Embodiment
[0045] Example 2
[0046] On the basis of the above-mentioned embodiment, this embodiment provides a coke oven riser waste heat utilization equipment. The difference from embodiment 1 is that the heat exchange channel 2 includes two or more heat exchange pipes. Sealed connection between adjacent heat exchange pipes;
[0047] The upper end of each heat exchange pipe is set at the same height, the upper end of each heat exchange pipe is in communication with an upper communication pipe, and the upper communication pipe is in communication with the steam-water mixture outlet 3,
[0048] The lower end of each heat exchange pipe is set at the same height, the lower end of each heat exchange pipe communicates with a lower communicating pipe, and the lower communicating pipe communicates with the steam-water mixture outlet 3.
[0049] In this embodiment, multiple heat exchange pipes are used, which can increase the amount of water circulating per unit time, so that the water in the steam-wat...
Example Embodiment
[0050] Example 3
[0051] On the basis of the above-mentioned embodiment, this embodiment provides a coke oven rising pipe waste heat utilization equipment. In the rising pipe waste heat equipment of this embodiment, connecting flanges are provided at both ends of the rising pipe, and the connecting flange It includes an annular horizontal connecting plate and a cylindrical vertical connecting plate, the inner diameter of the vertical connecting plate is equal to the outer diameter of the heat exchange channel 2, and the horizontal connecting plate is connected to the housing 1. The inner diameter of the horizontal connecting plate is equal to the inner diameter of the vertical connecting plate, and the horizontal connecting plate and the vertical connecting plate are coaxially connected together.
[0052] The flange setting method of this embodiment can prevent the heat exchange channel 2 and the housing 1 from moving radially to each other, which can ensure that the distance betw...
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