Double-layer sealed box having activated carbon circulation sealing device

Patent metadata

Field	Value
Publication number	US-12343679-B2
Application number	US-202217880675-A
Country	US
Kind code	B2
Filing date	Aug 4, 2022
Priority date	Feb 10, 2020
Publication date	Jul 1, 2025
Grant date	Jul 1, 2025

Abstract

The invention discloses a double-layer sealed box having an activated carbon circulation sealing device, comprising an outer layer box, an inner layer box, and an activated carbon input device. The inner layer box is wrapped in the outer layer box, a first activated carbon transport chamber is formed at the top of the inner layer box, between the outer layer box and the inner layer box, and a second activated carbon transport chamber is formed at least one side of the inner layer box, between the outer layer box and the inner layer box.

First claim

The invention claimed is:

1. A double-layer sealed box having an activated carbon circulation sealing device, wherein it comprises an outer layer box, an inner layer box, an activated carbon input device, a top activated carbon recovery device, a sampling detection device, and an underground activated carbon recovery device,
wherein the inner layer box is wrapped in the outer layer box, a first activated carbon transport chamber is formed at the top of the inner layer box, between the outer layer box and the inner layer box, and a second activated carbon transport chamber is formed around the inner layer box, between the outer layer box and the inner layer box,
the activated carbon input device is connected with the first activated carbon transport chamber through at least one first opening on the top surface of the outer box, and the activated carbon input device is connected with the second activated carbon transport chamber through at least one second opening arranged on the surface of the outer box;
the sampling detection device is connected with the second activated carbon transport chamber through at least one third opening in the middle of the surface of the outer box;
the top activated carbon recovery device is connected with the first activated carbon transport chamber through at least one fourth opening on the front surface of the outer box;
the underground activated carbon recovery device is connected with the second activated carbon transport chamber at the lower surface of the outer box.

2. The double-layer sealed box having an activated carbon circulation sealing device according to claim 1 , wherein the activated carbon input device comprises a feed inlet, a heat pipe, a reduction box, a plurality of rotary valves, a plurality of top delivery pipes, a plurality of lateral delivery pipes, a plurality of shaftless screw conveyors, a plurality of top separating plates, a first stop valve, a second stop valve, and a plurality of third stop valves,
wherein the feed inlet, the heat pipe, and the reduction box are connected in sequence, a bottom of the reduction box is connected to each of the top delivery pipes and the lateral delivery pipes, wherein the first stop valve is arranged between the feed inlet and the heat pipe, the second stop valve is arranged between the heat pipe and the reduction box, each of the third stop valves is arranged in one of the top delivery pipe, each of the rotary valve is arranged in one of the lateral delivery pipes.

3. The double-layer sealed box having an activated carbon circulation sealing device according to claim 2 , wherein the top activated carbon recovery device comprises a plurality of top recovery boxes, a plurality of top feed pipes, one or more bucket elevators, a plurality of fourth stop valves, and a plurality of fifth stop valves,
wherein each of the top recovery box is connected with one top feed pipe, all of the top feed pipe are connected with the bucket elevators, the fourth stop valve and the fifth stop valve respectively arranged in the top recovery box and the top feed pipe, the top recovery box is connected with the first activated carbon transport chamber, and a output of the bucket elevator is aligned with the feed inlet.

4. The double-layer sealed box having an activated carbon circulation sealing device according to claim 1 , wherein the sampling detection device comprises a sixth stop valve and a detection box, the sixth stop valve is used to control opening and closing of the detection box, and the detection box is connected with the second activated carbon transport chamber.

5. The double-layer sealed box having an activated carbon circulation sealing device according to claim 2 , wherein the underground activated carbon recovery device is connected to the second activated carbon transport chamber at the bottom of the second activated carbon transport chamber, the underground activated carbon recovery device is used to receive the activated carbon already used, reduct the activated carbon received, and deliver the activated carbon reducted to the feed inlet.

6. The double-layer sealed box having an activated carbon circulation sealing device according to claim 1 ,
wherein the outer layer box is formed by jointing a bottom plate and a plurality of outer plates together, the outer plates comprise a front outer plate, a top outer plate, a left outer plate, a right outer plate and a back outer plate, and the plurality of outer plates are welded to the bottom plate in sequence to form the outer layer box.

7. The double-layer sealed box having an activated carbon circulation sealing device according to claim 6 ,
the inner layer box is wrapped in the outer layer box, and the inner layer box comprises a plurality of inner plates which comprise a front inner plate, a top inner plate, a left inner plate, a right inner plate, and a back inner plate, four sides of the top inner plate are respectively welded to inner surfaces of the front outer plate, the left outer plate, the right outer plate, and the back outer plate, left side and right side of the front inner plate are respectively welded to the inner surfaces of the left outer plate and the right outer plate, left and right sides of the front inner plate and the back inner plate are respectively welded to the inner surfaces of the left outer plate and the right outer plate and the plurality of inner plates are welded to the bottom plate in sequence to form the inner layer box.

8. The double-layer sealed box having an activated carbon circulation sealing device according to claim 2 , wherein the first activated carbon transport chamber is separated into a plurality of sub-chambers by a plurality of top separating plates, each sub-chamber is installed with one shaftless screw conveyor, and the second activated carbon transport chamber is separated into a plurality of sub-chambers by a plurality of side separating plates.

Assignees

• Univ Hunan

Inventors

• Jiang Chao
• Tian Wanyi
• Deng Huiqiu
• Gao Xingke

Classifications

• B65D90/08 Primary

  Interconnections of wall parts; Sealing means therefor · CPC title

• B01J20/28052 Primary

  Several layers of identical or different sorbents stacked in a housing, e.g. in a column · CPC title

• B01J20/20

  comprising free carbon; comprising carbon obtained by carbonising processes · CPC title

• B01D2257/80

  Water · CPC title

• B01D53/46

  Removing components of defined structure · CPC title