Calculation of gas consumption of sterilizer on duty and control of back pressure

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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