Accurate oxygenation control method for condensed water of thermal power plant and device for heat exchanger

• Main Authors: HAN ZHENQIANG, WU XIAOHUI, XIONG JUNLIU, ZHANG YUE, YAO WEIXING, YANG FAN, LUO PENG, YANG HUA, CHEN RONG, PENG XUHUI
• Format: Patent
• Language: Chinese; English
• Published: 26.01.2024
• Subjects: APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; BLASTING; CHEMISTRY; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; DRYING; DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM; HEAT EXCHANGE IN GENERAL; HEATING; LIGHTING; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; MECHANICAL ENGINEERING; METALLURGY; PERFORMING OPERATIONS; PHYSICS; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; SPRAYING OR ATOMISING IN GENERAL; TESTING; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE; WEAPONS

The invention discloses a thermal power plant condensed water accurate oxygenation control method and a device for a heat exchanger. The method comprises the following steps that S1, before the heat exchanger is used, a heat exchanger detection smearing device is used for conducting anti-corrosion treatment on a heat exchange pipe of the heat exchanger and conducting deformation detection on the heat exchange pipe; s2, the heat exchanger and the degassing mold are connected with a condensed water bypass; s3, a condensation water flow meter and a condensation water flow adjusting valve are arranged at a condensation water inlet of the heat exchanger, an oxygen bottle and a nitrogen bottle are connected in parallel and provided with a flow valve connected to a gas inlet of the degassing membrane equipment, and a condensation water dissolved oxygen meter is connected with a water outlet; and S4, a condensation water total dissolved oxygen instrument is arranged on the condensation water pipeline connected with t