Evaporative Gas Generating Device for Stable Bromine Supply
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Solution Overview
Problem
Existing hydrogen bromide production facilities face challenges in stably supplying a fixed amount of bromine gas due to fluctuations in evaporative gas generation, often requiring costly post-superheating to prevent liquefaction, which increases operational costs.
Innovation Solution
An evaporative gas generating device with a double-walled container and internal heating jackets that continuously heat both the liquid and evaporative gas, coupled with a liquid level control system to maintain a stable liquid level, ensuring consistent bromine gas production without post-superheating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the power source of the electric heater is repeatedly switched on and off to adjust the amount of evaporization, then the evaporization amount can be controlled, but the heat applied to the liquid bromine cannot be easily kept fixed and minute fluctuations occur
Solution Approach 1:
The patent applies periodic action by repeatedly switching the heater on and off in cycles. The heater operates periodically with an on-time (when the liquid level sensor detects low level) and off-time (when the liquid level sensor detects adequate level), creating a rhythmic heating pattern that maintains stable evaporization without excessive temperature fluctuations.
2Reliability
If post-superheating is performed to prevent liquefaction of bromine gas, then the bromine gas can be kept in gaseous state, but the cost rises due to additional heating equipment and energy consumption
Solution Approach 1:
The patent applies preliminary action by maintaining the bromine gas temperature above its dew point during the evaporation process itself, rather than performing separate post-superheating. The continuous heating action ensures the gas is already superheated before leaving the evaporation chamber, preventing liquefaction during transport to the reactor without requiring additional heating equipment.
Solution Approach 2:
The patent applies multi-functionality by designing the evaporation chamber to simultaneously serve as both the evaporation space and the superheating zone. The same heater that evaporates the liquid bromine also maintains the gas temperature above the dew point, eliminating the need for separate post-superheating equipment while achieving both evaporation and liquefaction prevention functions.
3Use of energy by moving object
If the temperature of evaporative gas is not maintained, then energy consumption is reduced, but the evaporative gas may be liquefied (condensed) during transport to the reactor
Solution Approach 1:
The patent applies feedback through the liquid level sensor that continuously monitors the liquid bromine level in the evaporation chamber. When the liquid level drops below a threshold, the sensor triggers the heater to turn on, and when the level rises above the threshold, the heater turns off. This feedback control ensures the gas remains superheated and prevents liquefaction during transport without excessive energy consumption.
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 allows for stable and efficient generation and supply of a fixed amount of evaporative gas, reducing the need for post-superheating and lowering production costs by maintaining bromine gas in a superheated state, thus preventing liquefaction and ensuring consistent hydrogen bromide production.
Implementation Method 1
a heating unit that heats both the liquid accommodating part and the evaporative gas accommodating part to evaporate the liquid within the liquid accommodating part and raises the temperature of the evaporative gas within the evaporative gas accommodating part
Implementation Method 2
heats both the liquid accommodating part and the evaporative gas accommodating part to evaporate the liquid within the liquid accommodating part and raises the temperature of the evaporative gas
Data Source
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AI summary
Provided is an evaporative gas generating device and a method for producing evaporative gas capable of stably generating and supplying a fixed amount of evaporative gas without performing post-superheating. Additionally, provided is a hydrogen bromide production device and a method for producing hydrogen bromide that efficiently form hydrogen bromide from bromine gas and hydrogen gas without performing post-superheating of bromine gas. The hydrogen bromide production device is provided with an evaporative gas generating device (1) that generates bromine gas, and a reactor (3) that reacts the bromine gas with hydrogen gas to form hydrogen bromide. The evaporative gas generating device (1) is provided with a container (10) that accommodates liquid bromine (B), and heating jackets (35, 36) that supply heat to a wall surface of the container (10), and heat and evaporate the liquid bromine (B) within a liquid accommodating part (15) of the container (10) to raise the temperature of the bromine gas within the evaporative gas accommodating part (16).