Multi-gas-source heater
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Solution Overview
Problem
Existing gas heaters are typically designed for a single type of gas, requiring users to contact manufacturers for component replacements when switching between high and low calorific value gases, which is inconvenient and costly.
Innovation Solution
A multi-gas-source heater with a simple structure, featuring a pipeline system with switchable states for high and low calorific value gases, a temperature-sensing valve for flow regulation, and a switching valve to switch between nozzles, along with a pressure stabilizing valve to manage gas pressure, allowing for easy switching between gas sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a gas heater is designed for a single type of gas, then the device structure can be simple, but the adaptability to different gas sources is poor
Solution Approach 1:
The gas outlet is divided into multiple independent nozzle groups, each optimized for specific gas types (natural gas, liquefied petroleum gas, artificial gas). The switching valve selectively connects different nozzle groups to the gas inlet, allowing the same heater body to serve multiple gas sources without structural modification to the combustion chamber or other core components.
Solution Approach 2:
The heater is designed with universal adaptability to handle multiple gas types (high calorific value gases like natural gas and low calorific value gases like liquefied petroleum gas) through a single device. The multi-nozzle configuration combined with the switching valve enables one heater to perform the function of multiple specialized heaters, eliminating the need for users to purchase different devices for different gas sources.
2Ease of operation
If users need to switch between high and low calorific value gases, then contact with manufacturer for component replacement is required, but this increases use cost and inconvenience
Solution Approach 1:
The heater incorporates a user-accessible switching valve that enables consumers to independently change gas types without requiring manufacturer intervention or specialized tools. The valve is designed with a simple operation mechanism that allows users to switch between different gas sources (natural gas, liquefied petroleum gas, artificial gas) directly at the device, transforming a previously service-dependent operation into a self-service function.
3Reliability
If different nozzles are used for high and low calorific value gases, then combustion efficiency is improved, but the pipeline system complexity increases
Solution Approach 1:
The pipeline system is segmented into multiple independent pathways, each leading to a specific nozzle group optimized for certain gas types. The switching valve acts as a router that directs gas flow through different pipeline segments based on the selected gas source. This segmentation allows each nozzle to be precisely tuned for its designated gas type while keeping the overall pipeline structure manageable through clear functional separation.
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
Enables convenient and cost-effective use of both high and low calorific value gases by allowing users to switch between gas sources without the need for frequent manufacturer involvement, while stabilizing gas pressure to prevent damage to the system.
Implementation Method 1
the temperature-sensing valve is capable of regulating flow of an output gas
Implementation Method 2
the switching valve is capable of switching the pipeline system between the first communication state and the second communication state
Implementation Method 3
the gas is output to the burner through the first nozzle, and ignited by the ignition apparatus, and the gas in the burner is combusted to supply heat
Implementation Method 4
the ignition apparatus is connected to the burner and is capable of igniting the burner
Data Source
AI summary
A multi-gas-source heater is disclosed including a main shell, an ignition apparatus, a pipeline system arranged on the main shell, a temperature-sensing valve, a burner and a switching valve; the pipeline system has a first and second communication states; the temperature-sensing valve is connected to the pipeline system and can regulate flow of output gas; the burner includes a first and second nozzles both connected to the pipeline system; the ignition apparatus is connected to and can ignite the burner; the switching valve is connected to and can switch the pipeline system between the first and second communication states; when the switching valve switches the pipeline system to the first communication state, the first nozzle outputs the gas; when the switching valve switches the pipeline system to the second communication state, the second nozzle outputs the gas, or the first and second nozzles both output the gas.