1, the principle of ammonia decomposition ammonia decomposition principle is liquid ammonia as raw material, liquid ammonia gasification preheated into the ammonia decomposition furnace equipped with a catalyst, at a certain temperature pressure and the role of the catalyst ammonia is decomposed to produce a mixture containing 75% hydrogen, 25% nitrogen, the gas through the heat exchanger and cooler, into the dryer equipped with UOP zeolite molecular sieve as an adsorbent, after the adsorption separation and purification, effectively remove the residual ammonia and water in the gas mixture. The chemical equation for the decomposition of ammonia to produce hydrogen is as follows: 2NH3==3H2+N2-22080 cards Under standard conditions, the complete decomposition of 1kg of liquid ammonia produces 2.64Nm3 of hydrogen-nitrogen mixture gas.
2、Features of ammonia decomposition equipment
(1) Ammonia decomposition hydrogen production equipment has reliable performance and long service life: the core components are made of high-temperature and corrosion-resistant Cr25Ni20 stainless steel furnace chamber, which ensures a long service life in the high temperature and highly corrosive environment.
(2) Ammonia decomposition saves water and electricity: Evergrande's ammonia decomposition equipment does not need process water, effectively saves water, and uses decomposition gas heat to preheat ammonia gas to achieve the purpose of saving electricity.
(3) Easy to use: mature process, compact structure, overall skid-mounted, small area without infrastructure investment, easy to operate, only need to connect the power supply and gas source to produce hydrogen on site. (4) Wide range of hydrogen machine application: It can meet most of the needs of hydrogen use, especially in the metal heat treatment, powder metallurgy, electronics and other leading fields have been widely applied. (5) Low operating cost of hydrogen production equipment: ammonia decomposition price investment is small, liquid ammonia raw materials are cheap, low energy consumption, high efficiency, low operating cost, is the most economical source of nitrogen-hydrogen mixture protection atmosphere.
3. Technical indicators for ammonia decomposition
Raw material ammonia grade: primary ammonia
Flow rate: 10Nm3/h
Ammonia residue: ≤3ppm
Dew point: ≤ -60℃
The main parameters of ammonia decomposition are: 5 cubic meters per hour, 10 cubic meters per hour, 15 cubic meters per hour, 20 cubic meters per hour, 30 cubic meters per hour, 40 cubic meters per hour, 50 cubic meters per hour, 60 cubic meters per hour, 80 cubic meters per hour, 100 cubic meters per hour, 120 cubic meters per hour, 150 cubic meters per hour, 200 cubic meters per hour, 250 cubic meters per hour, 300 cubic meters per hour, 400 cubic meters per hour, 500 cubic meters per hour, 600 cubic meters per hour, 800 cubic meters per hour, 1000 cubic meters per hour.
Suzhou Evergrande Purification Equipment Co., Ltd. is a joint-stock high-tech enterprise, is a collection of research, development, manufacturing nitrogen machine, ammonia decomposition, hydrogen purification equipment, nitrogen purification equipment, gas engineering and other gas equipment, and also undertake a variety of gas non-standard equipment repair, maintenance and technical advice.
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