Calculation of gas consumption of sterilizer on duty and control of back pressure
Air consumption calculation
In production, how to measure the energy utilization of the shift can be calculated by the technical sterilization pot as the gas consumption of the pot. Look up the schedule steam pressure temperature density table, find the density under the boiler's incoming gas pressure, you can calculate the gas consumption of the pot. The calculation formula is: gas consumption (kg / pot) = steam consumption volume of the pot (m3) x steam density corresponding to the boiler gas pressure (kg / m3) The general manufacturer has a gas consumption reference value at the factory, will The actual gas consumption of the enterprise is compared with the nominal gas consumption of the sterilization pot, and the actual energy saving effect of the enterprise can be seen.
Counter pressure control
The pressure value can control the back pressure between the sterilization and the back pressure to be consistent with the internal temperature of the sterilized food, prevent the internal temperature of the sterilized food from being high, and the pressure is far greater than the external pressure, causing the can to break the bag. It can also prevent the external pressure from being far greater than the internal pressure of the sterilized food, causing the food to sag and smash the can.
Saturated water vapor temperature and pressure comparison table
Temperature (°C)–density (kg/m3)–absolute pressure (Mpa)
Temperature 100-density-0.6-pressure-0.1103
Temperature 101 – density – 0.611 – pressure – 0.105
Temperature 102-density -0.639-pressure-0.1088
Temperature 103-density -0.66-pressure-0.1127
Temperature 104-density -0.682-pressure-0.1167
Temperature 105-density-0.705-pressure-0.1208
Temperature 106-density -0.728-pressure-0.125
Temperature 107-density -0.752-pressure-0.1294
Temperature 108 – density -0.776 – density – 0.1339
Temperature 109-density -0.801-pressure-0.1385
Temperature 110-density -0.827-pressure-0.1433
Temperature 111-density -0.853-pressure-0.1482
Temperature 112-density -0.88-pressure-0.1532
Temperature 113-density-0.908-pressure-0.1583
Temperature 114-density -0.936-pressure-0.1636
Temperature 115-density -0.965-pressure-0.1691
Temperature 116-density -0.995-pressure-0.1747
Temperature 117-density -1.025-pressure-0.1804
Temperature 118 – density – 1.057 – pressure – 0.1863
Temperature 119-density-1.089-pressure-0.1923
Temperature 120-density-1.122-pressure-0.1985
Temperature 121-density-1.155-pressure-0.2049
Temperature 122 – density – 1.19 – pressure – 0.2115
Temperature 123 – density – 1.225 – pressure – 0.2182
Temperature 124 – density – 1.261 – pressure – 0.225
Temperature 125-density – 1.298 – pressure – 0.2321
Temperature 126-density – 1.336 – pressure – 0.2393
Temperature 127-density – 1.375 – pressure – 0.2468
Temperature 128-density -1.415-pressure-0.2544
Temperature 129 – density – 1.455 – pressure – 0.2622
Temperature 130-density – 1.497 – pressure – 0.2701
Temperature 131-density – 1.539 – pressure – 0.2783
Temperature 132 – density – 1.583 – pressure – 0.2867
Temperature 133-density – 1.627 – pressure – 0.2953
Temperature 134-density – 1.672 – pressure -0.3041
Temperature 135-density – 1.719 – pressure – 0.3131
Temperature 136-density – 1.766 – pressure -0.3223
Temperature 137 – density – 1.815 – pressure – 0.3317
Temperature 138-density – 1.864 – pressure -0.3414
Temperature 139-density-1.915-pressure-0.3513
Temperature 140-density-1.967-pressure-0.3614
Temperature 141 – Density – 2.019 – Pressure – 0.3717
Temperature 142-density-2.073-pressure-0.3823
Temperature 143-density – 2.129 – pressure -0.3931
Temperature 144 – density – 2.185 – pressure – 0.4042
Temperature 145-density – 2.242 – pressure – 0.4155
Temperature 146-density – 2.301 – pressure – 0.4271
Temperature 147-density – 2.361 – pressure – 0.4398
Temperature 148-density -4.222 – pressure -0.451
Temperature 149 – density – 2.484 – pressure – 0.4634
Temperature 150-density – 2.548 – pressure – 0.476
Temperature 160 – density – 3.26 – pressure – 0.6181
Temperature 170-density -4.123 – pressure -0.792
Temperature 180-density -5.16 – pressure -1.0027
Temperature 190-density – 6.397 – pressure – 1.2551
Temperature 200-density – 7.864 – pressure – 1.5549
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