Improve the quality of primaryreformer catalyst loadingby Unidense technology
UNIDENSETM catalyst loadingtechnology is used for filling primreformer tubes in ammonia, methhydrogen and other reformer bas
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UNIDENSETM catalyst loadingtechnology is used for filling primaryreformer tubes in ammonia, methanol,hydrogen and other reformer basedplants. It results in a high and uniformcatalyst density for efficient operationof the primary reformer.
UNIDENSETM is a simple and fastloading technology applicable to tubesizes from 3 to 10” internal diameter.UNIDENSETM requires no pre-socking ofcatalyst and no vibration of thereformer tubes.
UNIDENSETM combines being a highquality and fast loading technology.Reloading of tubes is normally avoided,and less catalyst is wasted.
UNIDENSETM principle: Catalyst is filled into the tube and theloading rope is gradually pulled out ofthe tube as the catalyst layer builds up.The brushes with flexible springsreduce the speed of the catalystparticles so that the breakage isavoided. The catalyst particles areloaded without bridges andunnecessary voids, hence there is noneed for vibration.
By applying the UNIDENSETM
technology the loading time of theprimary reformer can be substantiallyreduced whilst maintaining highquality loading. Typical loading timefor 4” tubes is 8 minutes.
UNIDENSETM technology ensures evengas flow in the tubes, and the pressuredrop variation is kept to a minimum.The density will normally be higherthan with the ‘sock’-method, resultingin slightly increased, but more evenpressure drop, due to better packing.
Since there are no extra voids, furthersettling of the catalyst, and thuspressure drop increase, will be minimal. UNIDENSETM gives high uniform densityalong the full length of the tube,decreasing the risk of hot spots andcontributing to lower tube walltemperatures and prolonged tube life.UNIDENSETM technology has been usedfor loading of all common catalysttypes and sizes. Reformer tube designswith varying internal diameter, narrowor wide top section, have successivelybeen loaded.� Loading of catalyst
Primary reformer loading
• Fast loading
• No presocking of catalyst
• No vibration of the tubes
• Uniform pressure drop
• Less waste of catalyst
• No bridging or extra voids
• High uniform density
UNIDENSE Technology GmbHAlexander-von-Humboldtstrasse 2D-01987 SchwarzheideTel.: +49-357-52 94 86 77Fax: +49-357-52 94 86 78 E-mail: [email protected]
Technology for primary reformer loading
� Loading of catalyst by Unidense Technology
� Reformer tubes
Inlet Y-piece �
� Loaded catalyst
Catalyst packing100 mm tube
Sock
load
ing
UN
IDEN
SETM
� Delta pressure measurement
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