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Ammonia Dissociator Hydrogen Generator for industrial heat treatment
The system is low cost with long service life, simple operation, compact structure, small coverage and simple installation.
The system vaporizes liquid ammonia, and heats it with a catalyst until decomposition occurs, creating a mixture of gas consisting of 75% hydrogen and 25% nitrogen.
Based on the principle that the molecular sieve adsorbs ammonia and water at different temperatures, high purity gas is produced by heat regenerating through the mixture working at normal temperature.
Hydrogen gas purity: 98 - 99.99%
Hydrogen gas pressure: 0.6 ~ 6MPa
Hydrogen capacity: 5 ~ 1000Nm3 / H
Dew Point: ≤-10C°
HY - PH series pressure swing adsorption hydrogen ammonia gas, cracking unit in methanol decomposition, transform, refining gas, water, city gas, coke oven gas, fermentation, methanol tail gas, acetylene black exhaust emission, formaldehyde, electrolysis gas box, vice, and catalytic cracking gas containing the various sources for raw material, through a special molecular sieve adsorption of purifying low purity hydrogen will to 98-99.99% purity hydrogen purification equipment. Mainly by adsorption tower, the molecular sieve, the pneumatic control group, control system, etc.
· Advanced and reliable, the air pressure requirement is not high.
· Simple operation, high degree of automation, equipment for automatic unattended operation, quick start up.
· Equipment operation and maintenance cost low.
· Equipment operation and good stability, mature technology, reliable, and molecular sieve normal life can reach years.
· The impurities such as gas component sulfide, ammonia and other industrial residue on common harmful substances can remove.
· Product purity and yield of easy to adjust, and a strong ability to adapt.
Using liquid ammonia as the feed material, this plant gasifies and decomposes the liquid ammonia. With 1KG liquid ammonia, it could put out about 2.64 Nm³ mixed gas consisting of 75% hydrogen and 25% nitrogen. The mixed gas contains small quantity impurities(moisture ab.2g/ m³, ammonia remains ab.1000ppm). After being purified through 5A molecular sieve (American UOP) adsorption, the dew point of the product hydrogen could be decreased to -60C°and the ammonia remains inside could be reduced to below 3ppm.
1)Under the normal temperature, with the function of the catalyst, the gaseous ammonia is decomposed into hydrogen(75%) and nitrogen(25%) and adsorbs 21.9Kcal heat.
2).As the whole process is the expansion reaction by adsorbing heat, increasing the temperature helps to decompose the ammonia. Meanwhile, it's also a reaction of the volume expansion, decreasing the pressure also helps decomposing.
Widely used in manufacturing the hydrogen and nitrogen at protective atmosphere. Especially for metal heating treatment ,powder metallurgy electronics and others heating.as a ammonia decomposition furnace, it can make hydrogen and nitrogen as protective atomosphere in non-ferrous metal, silicon steel, chrome steel and stainless steel and other metal materials and parts it can be used in bright annealing, in silicon steel it plays a role in decarburization ,in iron processing base powder metallurgy etc.
Equipment Warranty and After-sales Service
Hengda provides the device hardware warranty for one year, the shelf life from the date of acceptance of the equipment is 12 months or 18 months receiving goods, according to which date arrive first.
During the period of shelf life, any defects, faults and damage caused by our design, craftsmanship, manufacturing or material defects and any issue caused by our company shall be handled by us without any charge. In the period of quality shelf life, it is free to supply and replace the equipment and spare parts which are not damaged by demand-side. If the equipment have any failure in the operation, supplier’ professional personnel will hurry to the scene within 24 hours when receiving the notice that the demand-side can’t solve the failure. And beyond of shelf-time, Hengda will annual tracking the quality regularly, checking the condition of the equipment operation and also can provide the spare parts long-term.