Process control parameters
Thread Content
Process control indicators for the coking plant’s production process in 2011Serial Number | Indicator Name | Unit | Pass Rate (%) | Frequency | Remarks
1 | Collector gas temperature | °C | ≥95 | 1 time/hour |
2 | K average | — | ≥0.90 | ≥90 | 1 time/day |
3 | K safety value | — | ≥0.80 | ≥90 | 1 time/day |
4 | K horizontal value | — | ≥0.86 | ≥90 | 2 times/month |
5 | K furnace tip value | — | ≥0.90 | ≥90 | 2 times/month |
6 | K3 | — | ≥0.40 | ≥90 | 1 time/shift |
7 | Temperature in the furnace top space | °C | 770–830 | 100 | 1 time/month |
8 | Moisture content of qualified coke | % | 4–7 | ≥95 | 1 time/day |
9 | Volatilization content of qualified coke | % | ≤1.8 | 100 | 1 time/day |
10 | Oxygen content in raw gas | % | ≤0.8 | ≥95 | 4 times/shift |
11 | Secondary coking rate | % | ≤0.05 | ≥90 | According to the coke pushing schedule |
12 | Air excess factor | — | 0.95–1.25 | ≥90 | 1 time per coke oven per day |
13 | Average curvature of the furnace column | mm | ≤25 | ≥98 | 1 time/quarter |
14 | Height of the coal cake | m | 5.10–5.20 | ≥98 | According to the coke pushing schedule |
It’s a 5.5-meter coke oven; it seems like it hasn’t been in operation for very long yet
What are the similarities and differences between the operation of a coking furnace and that of a fixed-bed reactor?