If I am selling complete sets of exhaust gas adsorption equipment, does my company still need to have the qualifications to produce drawings for exhaust gas systems?
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If I am selling complete exhaust gas adsorption systems, does my company need to have the necessary qualifications for producing drawings related to exhaust gas systems in order to create process diagrams, equipment diagrams, electrical schematics, etc.? Can other qualifications be used as a substitute? Is a qualification for handling exhaust gases required for installation as well? Is a general contracting qualification for engineering sufficient?
The drawings provided by the equipment manufacturer are technical documents, and no certification for drawing production is required for these； The qualification for producing drawings generally refers to design firms, which must have the necessary design credentials; the drawings they produce need to be stamped to carry legal validity ； Installation qualifications generally refer to broad categories; there are no specific qualifications for exhaust gas installation ；
Some manufacturers do have design qualifications.
I agree with what was said on the second floor: there are no separate design qualifications or engineering installation qualifications required for exhaust gases, unless the exhaust gases in question fall under requirements related to special equipment.
The environmental protection Class B qualification specifies wastewater treatment; it does not cover gas treatment. Can it be used for gas treatment?
If it only involves exhaust gas and there are no such specific qualification requirements, then it is possible to produce drawings even without design qualifications. Provided that no other mandatory norms are involved. I saw the question you asked earlier: benzene is present in exhaust gases, and it is a toxic and harmful substance that is also flammable and explosive. I suggest that you check the concentration of benzene in the exhaust gases; if it reaches the levels considered hazardous or meets the requirements set by fire safety standards, then compliance with other relevant mandatory standards will be necessary.
Judging from these questions you’re asking, it seems to be a case of taking on private orders, having them manufactured by other factories, and then selling the products to the client. One person handled all the tasks related to procurement, design, and business affairs. There are many people doing this these days, but after working in engineering for so many years, my biggest realization is the need to know how to revere and feel fear. I admire those who have the courage to try to get something without putting in any effort, but looking at the questions you’ve asked on the forum lately, many of them are full of jargon used by laypeople. Still, I’d advise to refrain from taking on tasks that are beyond your capabilities. If you don’t have the necessary skills, don’t try to handle such tasks.
For complete exhaust gas adsorption systems, corresponding design and manufacturing qualifications are required, just as is the case for complete boilers and boiler manufacturers. Installation on-site is possible as long as one has a qualification level of second class or above in electrical and mechanical work as well as piping installation. No qualification for exhaust gas installation.
According to the regulations of the Ministry of Housing and Urban-Rural Development, the separate categories related to environmental protection qualifications (such as air and waste gas treatment, water pollution control, etc.) have been abolished; they are all now included under the general category of environmental protection qualifications.
For the design of projects such as exhaust gas adsorption facilities, drawings can also be prepared using expertise from the pharmaceutical, petroleum, and chemical industries or relevant professional qualifications.
Is there any specific official document or something of that kind available for this? Regarding the cancellation of the special category for environmental protection qualifications