Heating performance of a jettingmixing lowpressure heater

Heating simulation experiments on the lowpressure heating system of a power plant are carried out, including experiments on the jetting and heating performance of a jettingmixing lowpressure heater with the structurearea ratios of m=10.56, 4.69, 2.64, and 1.69, and a practical heating experiment with inlet hydraulic pressure at 0.17 MPa to 0.22 MPa. When 120 L/h water ejected the steam with 34 kg/h as m=10.56, and when 170 L/h ejected the steam with 33 kg/h as m=4.69, the outlet hydraulic temperature of the heater could exceed 106 ℃, which is superior to the heating performance of existing heater systems. The results of jetting experiment when the inlet pressure is at 0.05 MPa to 0.6 MPa indicate that it is safe and feasible to use the jettingmixing lowpressure heater in lowpressure heating systems.

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