Calcium injection circulating fluidized bed combustion gasification co in a heavy oil residue furnace 2 In-Situ Adsorption Enhanced Water Vapor Shift Hydrogen Production Process
A circulating fluidized bed and water-vapor shift technology, applied in hydrogen, chemical recovery, inorganic chemistry, etc., can solve problems such as low conversion rate and inability to produce hydrogen from solid raw materials
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Embodiment 1
[0023] According to the mass ratio of heavy oil residue primary feed and secondary feed of 1:6, the air used in the circulating fluidized bed is 1:1.2 according to the ratio of the number of oxygen moles in the air to the carbon moles in the primary feed of heavy oil residue, and the water vapor used According to the ratio of the moles of water vapor to the carbon moles in the heavy oil residue secondary feed is 5:1, the amount of limestone desulfurizer is 6% according to the mass ratio of its Ca content to the heavy oil residue secondary feed, the gasification agent The water vapor enters the circulating fluidized bed furnace at an angle of 25 degrees downwards and injects it into the nozzle to burn and gasify the heavy oil residue in the circulating fluidized bed, and the generated synthesis gas enters the water vapor shift reactor. Carbon, water vapor and nitrogen in the molar ratio C / H 2 O / N 2 It is 1.78 / 5.35 / 20.8, sent into the water vapor shift reactor, wherein the flow...
Embodiment 2
[0025] According to the mass ratio of the heavy oil residue primary feed and secondary feed of 1:8, the air used in the circulating fluidized bed is 1:1.1 according to the ratio of the number of oxygen moles in the air to the carbon moles in the heavy oil residue primary feed, and the water vapor used According to the ratio of the number of moles of water vapor to the number of moles of carbon in the secondary feed of heavy oil residue is 6:1, the amount of limestone desulfurizer is 10% according to the mass ratio of its Ca content to the secondary feed of heavy oil residue, gasification agent The water vapor enters the circulating fluidized bed furnace at an angle of 30 degrees downwards and sprays it at an angle of 30 degrees, and the circulating fluidized bed burns and gasifies the heavy oil residue, and the generated synthesis gas enters the water vapor shift reactor. Carbon, water vapor and nitrogen in the molar ratio C / H 2 O / N 2 It is 1.78 / 5.35 / 20.8, sent into the water...
Embodiment 3
[0027]According to the mass ratio of heavy oil residue primary feed and secondary feed of 1:7, the air used in the circulating fluidized bed is 1:1.2 according to the ratio of the number of oxygen moles in the air to the carbon moles in the primary feed of heavy oil residue, and the water vapor used According to the ratio of moles of water vapor to carbon moles in the secondary feed of heavy oil residue is 5:1, the amount of limestone desulfurizer is 8% according to the mass ratio of its Ca content to the secondary feed of heavy oil residue, gasification agent The water vapor enters the circulating fluidized bed furnace at an angle of 28 degrees downward and injects into the nozzle to burn and gasify the heavy oil residue in the circulating fluidized bed, and the generated synthesis gas enters the water vapor shift reactor. Carbon, water vapor and nitrogen in the molar ratio C / H 2 O / N 2 It is 1.78 / 5.35 / 20.8, sent to the water vapor shift reactor, wherein the flow rate of nitr...
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