1. Equipment Purpose
The comprehensive gas cassette furnace testing equipment is a comprehensive performance testing system specifically designed for the R&D, production, quality inspection, and supervision sampling of portable butane gas furnaces (i.e., cassette furnaces) products. A portable butane gas stove, also known as a portable butane gas stove, refers to a portable gas burner that uses a disposable fuel cylinder with a butane content of no less than 95%, connecting the cylinder to the appliance via a snap-in mechanism. Due to its lightweight portability and ease of use, it is widely used for outdoor camping, household emergencies, barbecue cooking, and restaurant heating.
This equipment can comprehensively evaluate key indicators such as cassette furnace safety, combustion performance, and structural durability, covering multiple dimensions including gas system sealing, ignition reliability, combustion stability, thermal efficiency, flue gas emissions, and safety protection devices. The equipment is suitable for factory inspection on production lines, laboratory R&D testing, and quality supervision spot checks, providing scientific evidence to ensure product quality and user safety.
2. Core Testing Items
Comprehensive gas cassette furnace testing equipment typically integrates the following core testing modules:
| Detection categories | Testing items | Key parameters/requirements |
|---|
| Gas system sealing | Airtightness test | At a working pressure of 0.8MPa, holding pressure for 30 minutes results in a leakage rate of ≤ 0.01mL/min |
| Combustion performance | Heat load accuracy | Rated heat load ≥ 3.0kW, with measured and nominal values deviating by ≤±10%. |
| Thermal efficiency measurement | Thermal efficiency≥55% |
| Combustion stability | Continuous operation for 1 hour without flashback, spark separation, or yellow flame |
| Flame uniformity | The flame distribution at each burner port is uniform and consistent |
| Flue gas emissions | CO concentration in dry flue gas | ≤ 0.05%, and an automatic alarm will sound if exceeded |
| Ignition performance | Ignition device reliability | The success rate for 10 consecutive ignition attempts ≥ 100%, and the discharge voltage ≥ 12kV |
| Safety protection devices | Flameout protection response time | After an accidental engine shutdown, the automatic shut-off time ≤ 60 seconds |
| Overvoltage cut-off device | When cylinder pressure exceeds the limit, the gas circuit is automatically cut off or the cylinder is separated from the furnace body |
| Anti-tip protection | When tilted beyond a certain angle (usually ≥ 30°), the gas automatically shuts off |
| Structural durability | Surface temperature rise | During operation, the temperature rise of accessible parts (handles, knobs, etc.) does not exceed the safety threshold (e.g., 25K). |
| High-temperature resistance test | The burner operates continuously for 30 minutes at 650±50°C without deformation |
| Durability of gas valves | Even after 5,000 simulated on/off operations≥ the seal remains intact |
| Drop resistance | The concrete surface at a height of 0.8m falls freely, with no structural damage and normal function |
| Material properties | Corrosion resistance of metal parts | No rust or functional damage after salt spray testing |
| Shell flame-retardant rating | Plastic components pass vertical burn tests to reach V-0 or V-1 grade |
3. Equipment composition
Comprehensive gas cassette furnace testing equipment typically consists of the following functional modules:
| Module categories | Main equipment/instruments | Function description |
|---|
| Gas supply and metering | Gas mass flow meter (accuracy ± 0.5%FS), gas pressure regulating valve, differential pressure transmitter | Precisely adjust and monitor gas supply pressure, flow, and instantaneous consumption in real time |
| Airtightness testing | Airtightness tester (resolution 0.001mL/min), pressure attenuation testing system | Inflate and pressurize the gas system (1.5 times the working pressure, not less than 4kPa), and check for leakage at constant pressure |
| Combustion performance test | Thermal efficiency measurement system (including constant temperature water tank, thermocouple array, electronic balance) | The heat energy conversion and utilization rate per unit time is calculated using the water heating method |
| Flue gas analysis | Multi-component flue gas analyzer (CO/NOx/CO₂ resolution 1 ppm) | Real-time data collection and analysis of harmful gas concentrations and components in combustion exhaust gases |
| Temperature monitoring | Multi-channel temperature recorder, infrared thermal imager (temperature resolution 0.05°C) | Multi-point synchronous monitoring of furnace surface temperature distribution and flame temperature field |
| Ignition performance test | Ignition performance tester, discharge voltage/frequency counter | Testing the ignition device discharge voltage, ignition frequency, and continuous reliability |
| Safety device verification | Flameout protection testing device, overvoltage protection test bench, anti-tip simulation platform | Simulating abnormal operating conditions to verify the activation accuracy and response speed of safety protection devices |
| Environmental simulation | Constant temperature and humidity test chamber, salt spray test chamber, wind tunnel testing equipment, vibration test bench | Simulates high and low temperatures, humidity, salt spray corrosion, strong winds, transport vibrations, and other operating conditions |
| Measurement and control systems | PLC control unit + industrial touchscreen/industrial control computer, multi-channel data acquisition system | Automated testing is achieved, with simultaneous collection of all parameters such as gas pressure, flow rate, temperature, and flue gas, generating performance curves in real time |
| Data management system | Industrial control computer and testing software platform (supports one-click startup, MES integration, barcode scanning) | Automatically stores test data, supports historical data traceability, report generation, and integration with quality management systems |
4. Applicable Standards
The design and testing of comprehensive gas cassette furnace testing equipment are mainly based on the following domestic and international standards:
| Standard number | Standard name | Scope of application |
|---|
| GB/T 38522-2020 | "Outdoor Gas Burners" | Core applicable standards specifying classification, material structure, requirements, test methods, and inspection rules, applicable to outdoor gas combustion appliances with a rated heat load not exceeding 50kW, effective from February 1, 2021 |
| GB 16410-2020 | "Household Gas Stoves" | Reference for testing methods such as combustion performance, safety devices, and energy efficiency ratings |
| GB 30720-2014 | "Energy Efficiency Limits and Grades for Household Gas Stoves" | Classification requirements and testing standards for energy efficiency indicators such as thermal efficiency |
| GB/T 16411-2008 | "General Test Methods for Household Gas Appliances" | General test method specifications for thermal efficiency calculations and other related methods |
| GB/T 10125-2021 | "Artificial Atmosphere Corrosion Test and Salt Spray Test" | Corrosion resistance testing methods and evaluation standards for metal parts |
| GB 35848-2018 | "Portable Butane Gas Stove" | Specific requirements for portable butane gas stoves, including airtightness test methods |
| GB 4706.1-2005 | "Safety General Requirements for Household and Similar Appliances" | General Basic Electrical Safety Standard (applicable to electrical safety testing of electronic ignition devices for cassette furnaces) |
| GB/T 16411-2008 | "General Test Methods for Household Gas Appliances" | General test method specifications for thermal efficiency calculations and other related methods |
5. Technical Parameters of the Gas Cassette Furnace Comprehensive Testing Equipment WH-ZJ01-427:
1. Rated operating voltage: 220V-/50Hz
2. Operating voltage: 187-240V
3. Operating environment temperature: 15-40°C
4 test stations, 1 station
5. Booster pump pressure adjustable to 10.3-1.2MPa
6. 0.35MPa Test: Airtight Leak Detection (Three-channel Independent Interlock)
7. 0.7MPa Test: Airtight Leak Detection (Three-Channel Independent Lock)
8 10. 9MPa Test: Airtight Leak Detection (Three-Channel Independent Lock)
9. Test time can be set: The test time can be set
10/ Test medium: compressed air
6. Testing Functions and Methods of Comprehensive Gas Cassette Furnace Testing Equipment:
1. Cylinder simulation device for checking cylinders that can be installed in one machine and uses three different pressure levels:
2. Air pressure valves: 3 valves, each providing 3 different air pressure levels
3. Switch the wide door: When one air pressure is operating, the other two air pressures must be turned off.
4. Air pump: Can provide at least 0.9 MPa maximum pressure.
5. Workbench: All functional components are installed on top
6. Switch switch: When manually switching different air pressures, an indicator light should show the working status
7. Equipped with leakage protection function
Frequently Asked Questions
What industries is your company's testing equipment mainly suitable for?
We specialize in non-standard testing equipment for gas appliances and household appliances, especially in the gas appliance industry, with nearly thirty years of technical accumulation in the gas appliance industry, including gas water heaters, wall-hung boilers, and gas stoves. At the same time, the equipment is widely used in kitchen appliances such as range hoods, electric ovens, and sterilizers, as well as in environmental reliability testing fields like salt spray tests and high and low temperature tests. In addition, industrial automation inspection solutions can be customized according to customer requirements.
Do you make standard equipment or non-standard customization?
Focusing mainly on non-standard customs. Each production line and every product category has unique testing requirements. We provide a full range of customized services from solution design, mechanical manufacturing, electrical control, to software integration based on your inspection targets (such as valve bodies, complete machines), inspection items (performance, aging, lifespan), production line cycles, and environmental conditions. There are already numerous successful non-standard cases in the gas appliance and home appliance industries for reference.
How is the precision and stability of the equipment? How to verify it?
Before leaving the factory, we conduct complete machine testing and precision calibration according to national or industry specifications, and can provide actual measurement data reports. Common verification methods include: repeated testing with standard samples, comparison with customers' existing qualified equipment, or testing by third-party metrology agencies. For key parameters such as gas flow, pressure, and temperature, we also provide calibration recommendations and cycle reminders. For projects requiring extremely high precision, free sample testing can be arranged.
How long does it take to customize a device? Will it affect my production?
The project duration depends on the complexity of the equipment, generally 4~8 weeks, and includes requirements confirmation, solution design, manufacturing, factory pre-commissioning, and on-site installation. We complete pre-assembly and functional testing of the entire machine in the factory, and only a short time of wiring and fine-tuning can be done on site for trial operation. We will communicate with you in advance about the production shutdown window and develop a detailed installation schedule to minimize the impact on production.
Is the equipment complex to operate? What training do you offer?
The equipment uses a touchscreen human-machine interface, with simple operation logic; ordinary workers can use it daily after half a day of training. We offer tiered training: operator training (power on/off, data retrieval, fixture change), technician training (parameter adjustment, simple fault handling), and engineer training (system configuration, deep maintenance). It also provides a library of operation videos and illustrated manuals for easy access at any time.
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