Liquid level measurement device of last water sealed tank of ultra supercritical once -through boiler

The utility model provides a liquid level measurement device of last water sealed tank of ultra supercritical once -through boiler, including buoyancy block, trace, conducting strip, first contact piece, speaker, bearing frame and cavity lead screw, buoyancy block fixes terminal surface under the trace, the trace is installed inside the cavity lead screw, the conducting strip is fixed at the traceup end, terminal surface left side under the speaker is installed to first contact piece, the speaker is fixed at cavity lead screw up end, and the problem that original liquid level measurement device does not have the automatic alarm function has been solved in this design, the bearing frame is fixed and is being surveyed the buret up end, the cavity lead screw is installed at the bearing frameinboardly, and the problem that original liquid level measurement device does not have the regulatory function has been solved in this design, the utility model discloses rational in infrastructure,the safety in utilization i