Pipeline butt joint anti-diffusion device for formaldehyde production
The utility model provides a formaldehyde production pipeline butt joint anti-diffusion device which comprises a main body mechanism which comprises a first butt joint pipe, a second butt joint pipe arranged at one end of the first butt joint pipe, a first protection assembly arranged on one side of...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides a formaldehyde production pipeline butt joint anti-diffusion device which comprises a main body mechanism which comprises a first butt joint pipe, a second butt joint pipe arranged at one end of the first butt joint pipe, a first protection assembly arranged on one side of the first butt joint pipe and one side of the second butt joint pipe, and a second protection assembly arranged on one side of the second butt joint pipe. The first protection assembly comprises a sealing cover arranged on one side of the first butt joint pipe and one side of the second butt joint pipe. The filtering mechanism comprises an air outlet pipe arranged on one side of the sealing cover, a mounting plate arranged in the air outlet pipe and a suction fan arranged on one side of the mounting plate; when the sealing device is used, formaldehyde escaping between the first butt joint pipe and the second butt joint pipe enters the sealing cover, the butt joint rings at the bottoms of the sealing plates at the |
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