Purification Technology Edition: Daily Question [2017-12-28]

2017-12-28View Original

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What are the reasons for overheating of methanation catalysts? 1) Poor low-temperature transformation or poor decarburization, with excessive levels of carbon monoxide and carbon dioxide ； 2) Excessively high inlet temperature ； 3) Methanation preheater leak ； 4) The purity of the nitrogen supplied is poor.

Reply #22017-12-28

1) Poor low-temperature transformation or poor decarburization, with excessive levels of carbon monoxide and carbon dioxide； 2) Excessively high inlet temperature ； 3) Methanation preheater leak ； 4) The purity of the nitrogen supplied is poor.

Reply #32017-12-28

1) Poor low-temperature transformation or poor decarburization, with excessive levels of carbon monoxide and carbon dioxide； 2) Excessively high inlet temperature ； 3) Methanation preheater leak ； 4) The purity of the nitrogen supplied is poor.

Reply #42017-12-28

1) Poor low-temperature transformation or poor decarburization, with excessive levels of carbon monoxide and carbon dioxide； 2) Excessively high inlet temperature ； 3) Methanation preheater leak ； 4) The purity of the nitrogen supplied is poor.

Reply #52017-12-28

1) Poor low-temperature transformation or poor decarburization, with excessive levels of carbon monoxide and carbon dioxide； 2) Excessively high inlet temperature ； 3) Methanation preheater leak ； 4) The purity of the nitrogen supplied is poor.

Reply #62017-12-28

1) Poor low-temperature transformation or poor decarburization, with excessive levels of carbon monoxide and carbon dioxide； 2) Excessively high inlet temperature ； 3) Methanation preheater leak ； 4) The purity of the nitrogen supplied is poor.

Reply #72017-12-28

1. Excessive levels of CO and CO2 at the inlet. 2. Excessive load

Reply #82017-12-28

1) Poor low-temperature transformation or poor decarburization, with excessive levels of carbon monoxide and carbon dioxide； 2) Excessively high inlet temperature ； 3) Methanation preheater leak ； 4) The purity of the nitrogen supplied is poor.

Reply #92017-12-28

1. The amount of oxygen delivered increases, but the blood volume circulation does not keep up. 2. The zero-meter cold shock air flow is set too low. 3. H2/N2 is not qualified. 4. The ammonia cooling temperature drops too rapidly.

Reply #102017-12-28

1) Poor low-temperature transformation or poor decarburization, with excessive levels of carbon monoxide and carbon dioxide； 2) Excessively high inlet temperature ； 3) Methanation preheater leak ； 4) The purity of the nitrogen supplied is poor.

Reply #112017-12-28

1) Poor low-temperature transformation or poor decarburization, with excessive levels of carbon monoxide and carbon dioxide； 2) Excessively high inlet temperature ； 3) Methanation preheater leak ； 4) The purity of the nitrogen supplied is poor.

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