Automatic back pressure and bypass heating supply putting-in and withdrawing control method and device

By using automated control methods and devices, the problem of automatic activation and deactivation of the turbine back pressure and bypass heating system has been solved, achieving stability and safety of the heating system. This solves the problem of automation control that cannot be achieved in existing technologies, realizes automated control of the back pressure and bypass combined heating system, reduces the uncertainty risks caused by manual operation, and improves heating stability and safety.

CN116044520BActive Publication Date: 2025-10-21NORTH CHINA ELECTRICAL POWER RES INST +1
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Patent Information

Application Number
CN202310157272.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-02-23
Publication Date
2025-10-21
Estimated Expiration
2043-02-23

AI Technical Summary

Technical Problem

The existing turbine back pressure and bypass combined heating system cannot be automatically put into operation and taken out of operation, which increases the workload and labor costs of operators and may affect the stable operation of the unit, posing safety hazards.

Method used

A method and device for automatic start and stop control of back pressure and bypass heating is provided. Through a series of steps and logical processes, the system realizes the automatic control of the back pressure and bypass combined heating system, including switching boiler evaporation rate, adjusting valve status, starting pump group, judging heating conditions and safety rate control, etc., to ensure that the system automatically performs operations when conditions are met.

Benefits of technology

It reduces the uncertainties and risks associated with manual operation, improves the stability and safety of heating under various heating conditions, and reduces the complexity of human intervention.

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Abstract

The application discloses a back pressure and bypass heat supply automatic input and exit control method and device, wherein the method comprises the following steps: when the execution permission condition of the input process is met, starting the operation execution state and executing the input process, and sequentially executing the input process according to the step sequence; when the execution permission condition of the exit process is met, starting the operation execution state and executing the exit process, and sequentially executing the exit process according to the step sequence. The application can guarantee the safe switching of each heat supply working condition of the unit, reduce the uncertain risk caused by manual operation, and improve the heat supply stability under each heat supply working condition of the unit.
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Citation Information

Patent Citations

  • Deep thermo-electric decoupling thermodynamic system coupled with heat supply back pressure machine

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