noodle restaurant is not completely smoke-free. The emission regulations of the kitchen without cooking fume in the hotel are as follows.

1. The emission standard of oil fume concentration has been improved. The actual emission standard of each area is 1.1mg/m3, and the purification efficiency is more than 95%. The control standard of NMHC is increased, and the value is required to be less than 11mg/m3

2. According to the relevant regulations, all catering units should be equipped with smoke hoods, exhaust pipes and fans, and equipped with fume purifier equipment to ensure the normal operation of the above equipment and meet the requirements of relevant installation standards. Take relevant measures to effectively control the odor of equipment, resulting in oil fume exceeding the organization emission standard.

3. The outlet of oil fume exhaust pipe should be far away from residents or buildings. The standard and height of smoke outlet shall be installed according to relevant standards and meet the corresponding emission requirements.

4. All catering enterprises are required to clean and maintain the fume purification equipment. The cleaning and replacement of attachments shall be registered and a ledger shall be established for future reference.