The methods of parameter detection, inspection and certification, and testing of environmental protection equipment usually include multiple aspects to ensure that the performance, safety, and environmental protection effects of the equipment meet the relevant standards and requirements. The following are some common methods:

1. Quality inspection and testing
Physical performance test: including the measurement of parameters such as equipment size, weight, and work efficiency, as well as physical performance tests of equipment, such as strength, hardness, and wear resistance.
Trial operation: The equipment is actually operated for a period of time to observe its operation and effect, including the start and stop of the equipment, noise, vibration, temperature, pressure, and other operating parameters.
Exhaust gas emission measurement: Use gas analyzers, flue gas particulate samplers, and other equipment to sample and analyze the gas composition and particulate matter emitted by the equipment to determine whether its emissions meet the requirements of relevant regulations and standards.
2. Appearance and structural inspection
Appearance inspection: Check the appearance of the equipment, including whether the surface of the equipment is flat, whether the welds are firm, and whether the seal is good.
Structural inspection: Check whether the structure of the equipment meets the design requirements, including connectors, materials, sealing, and other aspects.
3. Inspection of key components and functions
Inspection of filter screens, filter elements, and filters: confirm whether they need to be replaced to ensure the filtering effect of the equipment.
Inspection of electrical components: such as wiring, switches, sensors, etc., to confirm whether they are working properly.
Inspection of key power components: such as pumps, fans, compressors, etc., to confirm whether they are operating well.
Inspection of safety protection devices: such as emergency stop buttons, circuit breakers, etc., to confirm whether they are used normally.
4. Inspection of pipelines and valves
Inspection of pipeline sealing: confirm whether there is leakage to ensure the environmental protection effect of the equipment.
Inspection of pipeline patency: confirm whether there is a blockage to ensure the normal operation of the equipment.
Inspection of valves and pipeline joints: confirm whether there is any abnormality to ensure the stability and safety of the equipment.
5. Environmental protection treatment effect detection
Monitor and analyze the pollutant emissions after treatment by environmental protection equipment, such as waste gas and wastewater, to determine whether the treatment effect meets environmental protection requirements.

6. Safety detection
For the safety protection system, the safety is judged by testing the endurance and adaptability of equipment components such as safety protection devices, brakes, and transmissions.

7. Professional testing methods and equipment
Mechanical property identification: Applicable to the quality identification of large equipment, such as through testing and evaluation of appearance, size, and structure, to judge its quality grade and performance.
Physical parameter identification: Mainly through electrical, magnetic, and other physical properties for testing, including equipment resistance, capacitance, inductance, magnetism, energy size, etc. Applicable to electronic environmental protection equipment.
Chemical parameter identification: By analyzing the chemical composition of environmental protection equipment to judge its quality and environmental protection performance, including analysis of equipment pollutant characteristics, heavy metal content, pH, and other factors. Applicable to the quality identification of most environmental protection equipment, especially for water treatment, gas treatment, and other fields.
8. Certification and testing process
Preparation stage: clarify the purpose, requirements, and standards of the test, prepare test equipment and tools, and formulate a test plan.
Implementation stage: Test according to the test plan and record test data and results.
Analysis stage: Analyze and evaluate the test data to determine whether the equipment meets the relevant standards and requirements.
Certification stage: Issue the corresponding certification certificate or report based on the test results and evaluation conclusions.
In summary, the methods of parameter detection, inspection and certification, and testing of environmental protection instruments and equipment involve multiple aspects and multiple links. In actual operation, appropriate methods and processes should be selected according to specific equipment and test requirements, and testing and evaluation should be carried out in strict accordance with relevant standards and specifications.