Booster Pump System for Thermal Power Plant Condenser Vacuum
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Solution Overview
Problem
Thermal power plants face inefficiencies in power generation due to vacuum fluctuations in condensers, which affect coal consumption and power output, as natural pressure differences lead to short-term vacuum maintenance and inefficient waste gas removal.
Innovation Solution
A pre-booster pumping system is introduced between the turbine and condenser, comprising booster pumps that increase vapor pressure, ensuring efficient waste gas drainage and reducing coal consumption by actively pumping waste gases before they reach the condenser.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If natural pressure difference drainage is used, then the system is simple, but vacuum cannot be maintained and waste gas removal is inefficient
Solution Approach 1:
The booster pump is installed at the inlet of the condenser to preliminarily enhance the pressure difference before waste gas enters the condenser. This preliminary action creates a stronger driving force for waste gas drainage, improving removal efficiency without requiring complex vacuum pump systems at the condenser outlet.
Solution Approach 2:
The booster pump acts as an intermediary device between the turbine exhaust and the condenser. It mediates the pressure difference, creating an optimal pressure gradient that enhances waste gas flow into the condenser without requiring direct connection to complex vacuum pumping systems.
2Reliability
If vacuum pumps are used to form vacuum in condenser, then waste gas can be pumped, but vacuum cannot be effectively increased due to large vapor amount and rapid evaporation
Solution Approach 1:
The booster pump performs preliminary pressure enhancement before waste gas enters the condenser, creating a stable pressure gradient. This preliminary action ensures consistent waste gas drainage and maintains reliable vacuum conditions without the need for complex vacuum pump systems that struggle with large vapor amounts.
Solution Approach 2:
The invention replaces the traditional mechanical vacuum pump system with a booster pump that uses pressure enhancement rather than direct vacuum creation. This substitution avoids the limitations of vacuum pumps when handling large amounts of rapidly evaporating vapor.
3Productivity
If condenser vacuum is increased to reduce coal consumption, then power generation efficiency improves, but vacuum cannot be retained due to environmental temperature variations
Solution Approach 1:
The booster pump creates a preliminary pressure gradient that is more stable and less sensitive to environmental temperature variations. By enhancing pressure difference before waste gas enters the condenser, the system maintains more consistent vacuum conditions and power generation efficiency regardless of seasonal changes.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The pre-booster pumping system enhances power generation efficiency by maintaining optimal vacuum conditions, reducing coal consumption, and operating the power plant independently of environmental temperature and vacuum pump sizes.
Implementation Method 1
the vapor pressure being increased in the booster pump and then the vapor being outputted from the output end
Implementation Method 2
the condenser serving to receive the waste gas (containing air and vapor) from the booster pump system and cool the waste vapor as water
Implementation Method 3
the condenser serving to receive the waste gas (containing air and vapor) from the booster pump system and cool the waste vapor as water
Data Source
AI summary
A pre-booster pumping system for increasing power generation of a turbine of a thermal power plant includes a booster pump system including an inlet end, an output end and at least one booster pump; the inlet end of the booster pump system being connected to the air draining end of the turbine through an input tube; each booster pump including an air inlet and an air outlet; the waste gas drained from the air draining end of the turbine being inputted to the booster pump; the vapor pressure being increased in the booster pump and then the vapor being outputted from the output end; and a condenser having an input end; the output end of the booster pump system being connected to the condenser through the output tube; the condenser serving to receive the waste gas from the booster pump system and cool the waste vapor as water.