	US 12,257,614 B2
	Organic solid waste treatment device based on chemical-looping hydrogen production
Xun Wang, Wuhan (CN); Tingting Xu, Wuhan (CN); and Bo Xiao, Wuhan (CN)
Assigned to Huazhong University of Science and Technology, Wuhan (CN)
Appl. No. 18/042,640
Filed by Huazhong University of Science and Technology, Wuhan (CN)
PCT Filed Apr. 25, 2021, PCT No. PCT/CN2021/089538 § 371(c)(1), (2) Date Feb. 23, 2023, PCT Pub. No. WO2022/141976, PCT Pub. Date Jul. 7, 2022.
Claims priority of application No. 202011629938.1 (CN), filed on Dec. 31, 2020.
Prior Publication US 2023/0321701 A1, Oct. 12, 2023
Int. Cl. B09B 3/45 (2022.01); B09B 3/70 (2022.01)

CPC B09B 3/45 (2022.01) [B09B 3/70 (2022.01)]

8 Claims

1. An organic solid waste treatment device based on chemical-looping hydrogen production, comprising a pyrolysis reactor (3) and a sleeve-type chemical-looping reactor (19), wherein the sleeve-type chemical-looping reactor (19) comprises an inner cavity and an outer cavity annularly wrapping the inner cavity, the pyrolysis reactor (3) can generate pyrolysis gas, which then is input to the inner cavity and the outer cavity through the pyrolysis gas inlet device (6), water vapor is input to the inner cavity and the outer cavity through a water vapor inlet device (7), syngas generated in the inner cavity and the outer cavity is output through a syngas output device (28), hydrogen generated in the inner cavity and the outer cavity is output through a hydrogen output device (29), an outer reaction chamber (17) is internally loaded with an outer chamber oxygen carrier, an inner reaction chamber (18) is loaded with an inner chamber oxygen carrier, and the outer chamber oxygen carrier and the inner chamber oxygen carrier can be converted into each other through a reversible chemical reaction;

the outer chamber oxygen carrier is a reduced oxygen carrier, which is oxidized into an oxidized oxygen carrier by the water vapor;

alternatively, the outer chamber oxygen carrier is an oxidized oxygen carrier, which is reduced into a reduced oxygen carrier by the pyrolysis gas;

the inner cavity is horizontally partitioned by an inner cavity partition plate (16) to form an inner gas distribution chamber (14) and an inner reaction chamber (18), and the outer cavity is horizontally partitioned by an outer cavity partition plate (15) to form an outer gas distribution chamber (13) and an outer reaction chamber (17);

the syngas output device (28) is a three-way pipe, comprising a first syngas outlet branch pipe (23) in communication with the outer reaction chamber (17), a second syngas outlet branch pipe (24) in communication with the inner reaction chamber (18), and a syngas output pipe;

the hydrogen output device (29) is a three-way pipe, comprising a first hydrogen outlet branch pipe (26) in communication with the outer reaction chamber (17), a second hydrogen outlet branch pipe (25) in communication with the inner reaction chamber (18), and a hydrogen output pipe;

the pyrolysis gas inlet device (6) is a three-way pipe, comprising a first pyrolysis gas inlet branch pipe (8) in communication with the outer gas distribution chamber (13), a second pyrolysis gas inlet branch pipe (9) in communication with the inner gas distribution chamber (14), and a pyrolysis gas inlet pipe;

the water vapor inlet device (7) is a three-way pipe, comprising a first water vapor inlet branch pipe (11) in communication with the outer gas distribution chamber (13), a second water vapor inlet branch pipe (10) in communication with the inner gas distribution chamber (14), and a water vapor inlet pipe;

the first pyrolysis gas inlet branch pipe (8), the second pyrolysis gas inlet branch pipe (9), the second water vapor inlet branch pipe (10), the first water vapor inlet branch pipe (11), the first syngas outlet branch pipe (23), the second syngas outlet branch pipe (24), the second hydrogen outlet branch pipe (25), and the first hydrogen outlet branch pipe (26) are all provided with valves.