Flash Closed Heat Exchanger Negative Pressure Evaporation
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Solution Overview
Problem
Conventional air-cooled heat exchangers are inefficient in hot and humid environments due to external temperature and humidity variations, leading to poor refrigeration performance and high energy consumption.
Innovation Solution
An enclosed flash-evaporation heat exchanger is designed with a negative-pressure fan and water atomization device to promote the evaporation of atomized water within a closed environment, creating a negative-pressure environment that enhances heat exchange and refrigeration efficiency, independent of external weather conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional air-cooled heat exchangers are used, then the structure is simple and easy to manufacture, but the refrigeration effect is greatly affected by external temperature and humidity conditions
Solution Approach 1:
The patent changes the working parameters of the heat exchanger by enclosing it in a housing and controlling the internal environment. The enclosure isolates the heat exchanger from external temperature and humidity variations, allowing it to maintain stable refrigeration performance regardless of external conditions. This transforms the system from being environment-dependent to environment-independent through parameter control.
Solution Approach 2:
The patent creates an enclosed housing that forms a controlled environment around the heat exchanger. This enclosure acts as an inert barrier that protects the heat exchanger from harmful external environmental factors (temperature and humidity variations), allowing the system to operate reliably in diverse external conditions without being affected by them.
2Reliability
If water spraying is used to lower natural wind temperature, then the refrigeration effect is improved, but the energy consumption increases significantly in hot and humid areas
Solution Approach 1:
The patent changes the approach from actively cooling the air (which consumes energy) to passively utilizing evaporation within a controlled environment. By enclosing the heat exchanger and allowing water to evaporate naturally in the confined space, the system achieves refrigeration through phase change rather than active cooling, significantly reducing energy consumption while maintaining reliable refrigeration effect.
Solution Approach 2:
The patent utilizes the phase transition of water from liquid to vapor through evaporation. This phase change absorbs latent heat from the surroundings, providing a natural refrigeration effect without requiring significant energy input. The enclosed housing concentrates this evaporative cooling effect, making it highly efficient even in hot and humid conditions where conventional water spraying would be ineffective and energy-intensive.
3Productivity
If an enclosed housing with negative pressure environment is used, then the refrigeration efficiency is improved and space is reduced, but the device complexity increases
Solution Approach 1:
The patent merges multiple functions into the enclosed housing: it serves as both the structural containment and the environment control mechanism. The housing simultaneously provides structural support, isolates the heat exchanger from external conditions, and facilitates the negative pressure environment for enhanced evaporation. This integration achieves high refrigeration efficiency without proportionally increasing device complexity.
Solution Approach 2:
The enclosed housing creates a controlled negative pressure environment that enhances water evaporation and heat exchange efficiency. This inert environment control is achieved through relatively simple means (the enclosure structure itself), avoiding complex active control systems while still delivering significant improvements in refrigeration efficiency.
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 system achieves stable and reliable refrigeration with high efficiency, occupying less space and avoiding heat island effects by utilizing the evaporation process to release cold capacity without relying on external air convection, thus functioning effectively across various environmental conditions.
Implementation Method 1
a negative-pressure fan is provided on the enclosed housing, and the negative pressure fan is configured to form a negative-pressure environment inside the enclosed housing
Implementation Method 2
a water atomization device is provided in the enclosed housing, the water atomization device is configured to spray atomized water into the enclosed housing for evaporating the atomized water into vapor
Implementation Method 3
enclosed flash-evaporation heat exchanger
Implementation Method 4
by promoting the transition of water from liquid to gas in an enclosed housing, heat is absorbed and cold capacity is released
Data Source
AI summary
Disclosed is a flash closed heat exchanger, comprising a closed housing. A negative pressure fan is provided on the closed housing. A negative pressure environment is formed inside the closed housing by means of the negative pressure fan. A water atomization device is provided inside the closed housing. The water atomization device sprays atomized water into the inside of the closed housing, so that the atomized water evaporates into steam in the negative pressure environment. In the flash closed heat exchanger, the evaporation of atomized water is promoted in a closed negative pressure environment.