Switched chemical chain hydrogen production device and hydrogen production method
A hydrogen production device and chemical chain technology, which is applied in the field of switchable chemical chain hydrogen production system, can solve the problems such as the decrease of the utilization rate of oxygen carrier, and achieve the effect of ingenious design, avoiding wear and improving utilization rate
Active Publication Date: 2018-03-16
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology
[0006] In order to solve the problems of the chemical chain hydrogen production device in the prior art that the oxygen carrier circulates between different reactors, which will cause wear and tear, resulting in a decrease in the utilization rate of the oxygen carrier, the present invention intends to provide a switchable chemical chain hydrogen production device and its utilization Its hydrogen production method avoids the circulation of oxygen carrier between the reactors, and improves the utilization rate of oxygen carrier and reactor
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Embodiment 1
[0032] as attached figure 1 As shown, it is the switching type chemical looping hydrogen production device of the present invention, including three chemical looping reactors and two CaO reactors connected in parallel, the internal diameter of the chemical looping reactor and the CaO reactor is 8mm, and the height is 50mm; each Each chemical chain reactor is provided with five inlets and five outlets respectively, and the five inlets of chemical chain reactor Ⅰ1 respectively pass through valve a10, valve b11, valve c12, valve d13 and valve e14 and fuel gas pipeline 61, water vapor pipe Road 62, air line 63, CO 2 The pipeline 64 communicates with the gas mixture I pipeline 66, and the five outlets of the chemical chain reactor I1 respectively pass through the valve f15, the valve g16, the valve h17, the valve i18 and the valve j19 and the CO 2 and water vapor pipeline 65, mixed gas I pipeline 66, mixed gas II pipeline 67, H 2 It communicates with the water vapor pipeline 68 a...
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The invention discloses a switchover-type chemical-looping hydrogen production plant which comprises at least three chemical-looping reactors connected in parallel and at least two CaO reactors, wherein each chemical-looping reactor is provided with five inlets and five outlets; each CaO reactor is provided with one inlet and two outlets; and the inlets and outlets are respectively connected with different gas pipelines through valves. By using the plant, the reduction-oxidation circulation process of the oxygen carrier is utilized to implement hydrogen production; the reaction is divided into three reaction stages with identical time length; and the chemical-looping reactors are respectively controlled in different stages, thereby implementing circulating and continuous hydrogen production. The plant implements immobilized reaction of the oxygen carrier, avoids the abrasion due to the flow of the oxygen carrier in the reactor, and enhances the utilization ratio of the oxygen carrier. The plant is ingenious in design, implements continuous production, and enhances the utilization ratio of the reactors.
Description
technical field [0001] The invention relates to a switchable chemical chain hydrogen production device and method, in particular to a 2 Captured switchable chemical chain hydrogen production system and method. Background technique [0002] As an important material basis for human survival and development, fossil energy such as coal, oil, and natural gas has supported the progress of human civilization and economic and social development for nearly 200 years from the 19th century to the 20th century. However, as the most important energy consumed in the world at present, traditional fossil energy not only obtains energy but also produces a large amount of CO in the process of utilization. 2 , leading to the "greenhouse effect". Therefore, enhancing the CO 2 The capture and storage of energy is particularly important, and there is an urgent need to research and develop new clean and efficient energy utilization methods. [0003] In 1983, German scientists Richter and Knoch...
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IPC IPC(8): C01B3/02
CPCC01B3/02
Inventor 孙兆松梁皓尹泽群张锦桦
Owner CHINA PETROLEUM & CHEM CORP