Coal blending method suitable for coal used in shell pulverized coal pressurization gasification
A pulverized coal pressurized gasification, Shell's technology, applied in the coal blending field of Shell pulverized coal pressurized gasification coal, can solve the problems of high ash content and high cost of raw coal, achieve the purpose of increasing calorific value and fixed carbon content, and improving production The effect of increasing the load and effective gas volume
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Embodiment 1
[0027] Take Guizhou coal with high ash content, the blending ratio is 95%, petroleum coke-Shandong Yantai Longkou petroleum coke, the blending ratio is 5%, and the blending is uniform. The heat Qnet,ar, and the fixed carbon FCar received were 21.08%, 6029Kcal / Kg, and 67.33%, respectively. At this time, the effective gas output per ton of standard coal of the gasifier is 1668.13NM 3 / t standard coal, the oxygen consumption per ton of standard coal is 649.23NM 3 / t standard coal. CO in effective gas composition is 66%, H 2 17%.
Embodiment 2
[0029] Take Guizhou coal with high ash content, the blending ratio is 90%, petroleum coke-Shandong Yantai Longkou petroleum coke, the blending ratio is 10%, and the blending is even. The heat Qnet, ar, and the received base fixed carbon FCar are 20.10%, 6159Kcal / Kg, and 69.65%, respectively. At this time, the effective gas output per ton of standard coal of the gasifier is 1710.57NM 3 / t standard coal, the oxygen consumption per ton of standard coal is 643.25NM 3 / t standard coal. CO in effective gas composition is 66%, H 2 18%.
Embodiment 3
[0031] Take Guizhou coal with high ash content, the blending ratio is 84%, petroleum coke-Shandong Yantai Longkou petroleum coke, the blending ratio is 16%, and the blending is even. The heat Qnet, ar, and the received base fixed carbon FCar are 18.73%, 6228Kcal / Kg, and 68.85%, respectively. At this time, the effective gas output per ton of standard coal of the gasifier is 1781.74NM 3 / t standard coal, the oxygen consumption per ton of standard coal is 638.43NM 3 / t standard coal. CO in effective gas composition is 67%, H 2 18%.
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