【Q&A Question 254】December 30, 2016
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【Q&A Question 254】December 30, 2016: Why is nitrogen injected at the packing in the cracking reciprocator? The reference answers will be visible after responding; points are awarded by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) To prevent hydrogen in the cylinder from leaking into the crankcase. To this end, two isolation chambers are installed between the cylinder block and the crankcase. The chamber located near the cylinder block vents the tiny amounts of hydrogen that leak out into the atmosphere through a vent pipe, while the chamber near the crankcase is filled with nitrogen to maintain a slight positive pressure and prevent hydrogen from entering. Summary post of Q&A from 2016 (updated up to December~~~~) http://bbs.hcbbs.com/thread-1597792-1-1.html New Normal Cup–2016 HaiChuan Top 10 Selection – Please recommend candidates http://bbs.hcbbs.com/thread-1654112-1-1.html Third round of HaiChuan Outstanding Management Members selection http://bbs.hcbbs.com/thread-1655902-1-1.html (Source: HaiChuan Chemical Forum)
1 Isolation protection to prevent medium leakage； 2. Purging and cleaning – to blow out impurities from within the seal ； 3. The function of removing the air or medium from inside the packing seal at startup ； 4 Pressure balance between chambers, enhancing the sealing effect.
Prevent hydrogen leakage and prevent the filler from overheating.
1 Isolation protection to prevent medium leakage； 2. Purging and cleaning – to blow out impurities from within the seal ； 3. The function of removing the air or medium from inside the packing seal at startup ； 4 Pressure balance between chambers, enhancing the sealing effect.
1. Blow the leaking medium gas into the flare emission system; 2. It can reduce the temperature of the packing; 3. It blows away some of the carbonized and worn packing particles; 4. It reduces the concentration of flammable gases in the collection tank; 5. It provides isolation and protection to prevent medium leakage； 6. Remove the air or medium from within the packing seal when starting up ； 7. Pressure balance between chambers, improved sealing
1. Isolation protection to prevent medium leakage； 2. Purging and cleaning: to blow out impurities from within the seal ； 3. The function of removing the air or medium from within the packing seal when starting up the device ； 4. Pressure balance between chambers, enhancing the sealing effect.
1 Isolation protection to prevent medium leakage； 2. Purging and cleaning – to blow out impurities from within the seal ； 3. The function of removing the air or medium from inside the packing seal at startup ； 4 Pressure balance between chambers, enhancing the sealing effect.
1 Isolation protection to prevent medium leakage； 2. Purging and cleaning – to blow out impurities from within the seal ； 3. The function of removing the air or medium from inside the packing seal at startup ； 4 Pressure balance between chambers, enhancing the sealing effect.
Prevents the medium from flowing in reverse, serving as a seal