Liquid Vaporization Nozzle Bypass Path for Carrier Gas Flow
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Solution Overview
Problem
Conventional liquid material vaporization apparatuses face restrictions in carrier gas flow rate due to pressure loss in the vaporization nozzle section, limiting the vaporized amount of the liquid material, and altering the nozzle shape to increase flow rate complicates vaporization efficiency.
Innovation Solution
Incorporating a bypass path that allows a portion of the carrier gas to bypass the vaporization nozzle section and directly enter the mixed gas derivation path, increasing the carrier gas flow rate without changing the nozzle shape, and providing an open and close mechanism and flow rate control for the bypass path to adjust vaporization conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If all carrier gas passes through the vaporization nozzle section, then the liquid material can be vaporized, but the pressure loss becomes big and the carrier gas flow rate is restricted
Solution Approach 1:
The carrier gas flow path is segmented into two separate paths: one path goes through the vaporization nozzle section where liquid material vaporization occurs, and the other path is a bypass path that allows carrier gas to flow without passing through the nozzle. This segmentation enables independent control of each flow path, allowing the bypass path to compensate for pressure loss while the nozzle path maintains vaporization function.
Solution Approach 2:
The bypass path acts as an intermediary element that mediates between the carrier gas supply and the vaporization nozzle section. By providing an alternative route, the bypass path reduces the overall resistance to carrier gas flow, thereby reducing pressure loss in the system while still allowing sufficient carrier gas to reach the vaporization nozzle for effective vaporization.
2Speed
If the nozzle shape is changed to increase carrier gas flow rate, then the flow rate increases, but the vaporization efficiency is affected
Solution Approach 1:
The system is segmented into two independent flow paths: the vaporization nozzle section that maintains its original optimized shape for efficient vaporization, and the bypass path that provides additional carrier gas flow capacity. This allows the nozzle geometry to remain unchanged and preserve vaporization efficiency while the bypass path contributes to increased overall carrier gas flow rate.
Solution Approach 2:
The bypass path serves multiple functions: it increases the overall carrier gas flow rate, compensates for pressure losses in the system, and allows independent adjustment of carrier gas flow without modifying the vaporization nozzle. This multi-functionality enables the system to achieve higher flow rates while maintaining the nozzle's optimized vaporization performance.
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
This configuration enhances the carrier gas flow rate, reduces the partial pressure of the liquid material, and increases the vaporized amount without altering the nozzle shape, improving vaporization efficiency and versatility.
Implementation Method 1
a vaporization nozzle section that is communicated with the gas-liquid mixing section to subject a mixture of the liquid material and the carrier gas to flash boiling
Data Source
AI summary
An object of this invention is to provide a liquid material vaporization apparatus that is capable of increasing the flow rate of a carrier gas without changing the shape of a nozzle. The liquid material vaporization apparatus comprises a gas-liquid mixing chamber in which a liquid material and the carrier gas are mixed, a liquid material introduction path that introduces the liquid material into the gas-liquid mixing chamber, a carrier gas introduction path that introduces the carrier gas into the gas-liquid mixing chamber, a vaporization nozzle section that is communicated with the gas-liquid mixing chamber to subject a mixture of the liquid material and the carrier gas to flash boiling, and a mixed gas derivation path that is communicated with the vaporization nozzle section to derive the mixed gas vaporized by the vaporization nozzle section.