Multifunctional online cleaning device for condenser

Abstract

The invention provides a multifunctional online cleaning device for a condenser, which comprises a machine frame, two nozzle main pipes, a transmission mechanism and two groups of guide mechanism, wherein the two ends of each nozzle main pipe are sealed; a water inlet is formed in the nozzle main pipe, and a plurality of condenser pipe cleaning nozzles are formed on one side of the nozzle main pipe; the transmission mechanism comprises a servo motor, a transmission lead screw and a lead screw drum which are mounted on the machine frame; a transmission shaft of the servo motor transmits the transmission lead screw; the lead screw drum is mounted on the nozzle main pipes; each guide mechanism comprises a guide rail, a road wheel seat and a road wheel which are mounted on the machine frame; the guide rail is parallel to the transmission lead screw; the road wheel seat is mounted on the nozzle main pipes; and the road wheel is clamped at the upper side of the guide rail. The multifunctional online cleaning device for the condenser has the advantages of scientific design, reasonable structure, reliable operation, high work efficiency and good cleaning effect.

Description

technical field [0001] The invention relates to a cleaning device for a condenser, in particular to a multifunctional online cleaning device for a condenser. Background technique [0002] The condenser is one of the important cold-end equipment of the steam turbine. Its function is to condense the waste steam of the steam turbine into water, generate and maintain a high degree of vacuum, and improve the thermal cycle efficiency of the unit; the condenser in the condenser acts as a For heat exchange, the cooling water in the condensation pipe is generally taken from rivers, rivers, lakes, seas, groundwater or urban water. Due to the heat exchange and the concentration of cooling water in the operation of the condenser, problems such as mud accumulation and scaling will occur in the condensation pipe, resulting in a decrease in the heat transfer efficiency of the condenser, an increase in the steam consumption of the steam turbine, and long-term mud accumulation and scaling wi...

AI Technical Summary

Problems solved by technology

The traditional non-stop online cleaning method uses a rubber ball cleaning device, which can be cleaned without stopping the unit. However, in actual operation, the rubber ball cleaning device generally has low ball collection rate, poor cleaning effect, and rubber ball consumption. The power plant needs to shut down several times a year for high-pressure water cleaning, mechanical cleaning or other cleaning methods, which not only affects the power generation, but also increases the maintenance cost

When the steam turbine is shut down for maintenance and the condenser is cleaned with high-pressure water, it can only keep the condenser tube clean for a short period of time, but cannot keep the condenser tube clean for a long time. Soon after the turbine is put into operation, the condenser tube of the condenser will produce mud and scaling question

[0004] The prior art discloses several condenser cleaning robot devices, which are mainly characterized by the use of crawler wheel travel mechanism or curved arm telescopic mechanism. There are multiple sets of transmission and power mechanisms inside the condenser, and a single high-pressure water nozzle is used for cleaning. Although Online cleaning is realized, but there are problems such as poor adaptability, poor stability, low cleaning efficiency, and low reliability

More importantly, the capacity of the generating set is different, the form of the condenser is different, and the layout of the condenser tubes in different condensers is different. There is a relatively complicated support structure inside the water chamber of the large condenser, and the condenser cleaning robot cannot realize Free to move, thus difficult to promote use

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