Hydrogen conveying device for coal ash reduction
By introducing a rotary gas supply mechanism and an exhaust filter structure into the hydrogen conveying device, the problem of insufficient contact between hydrogen and fly ash in the traditional hydrogen conveying method is solved, the reduction effect of fly ash is improved and the diffusion of fly ash is prevented.
Patent Information
- Application Number
- CN202421093665.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The traditional hydrogen transportation method is inconvenient to the full contact between hydrogen and fly ash, resulting in poor fly ash reduction effect.
A hydrogen delivery device including a hydrogen reduction tank, a rotary gas supply mechanism and an exhaust filter structure was designed. The servo motor drives the metal pipe to rotate, and the branch pipe stirs the fly ash to improve the mixing effect of hydrogen and fly ash. Fly ash is prevented from spreading through a metal mesh.
The mixing effect of hydrogen and fly ash and the reduction effect of fly ash is improved, while avoiding fly ash diffusing into the air, enhancing the resource utilization of fly ash.
Smart Images

Figure CN222186609U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydrogen transportation, in particular to a hydrogen transportation device for fly ash reduction. Background Art
[0002] Fly ash is the main solid waste discharged from coal-fired power plants. If a large amount of fly ash is not treated, it will produce dust and pollute the atmosphere. If it is discharged into the water system, it will cause river siltation, and the toxic chemicals in it will also cause harm to humans and organisms. The main product after coal combustion is fly ash. In fly ash, the main components are aluminum oxide and silicon dioxide, and also include a variety of other components such as ferric oxide, titanium oxide, calcium oxide, sodium oxide and potassium oxide. Metallic aluminum has a wide range of applications in industry. It is necessary to reduce fly ash to obtain metallic aluminum. The reduced fly ash can be used as a resource, such as as an admixture for concrete. Fly ash reduction requires the use of hydrogen, and hydrogen needs to be transported by a conveying device for fly ash reduction. During the fly ash reduction process, a feeding structure is required to feed the fly ash into the reduction tank.
[0003] The traditional transportation method is to simply use a transportation pipe to introduce hydrogen into the reduction tank where the fly ash is located. The use effect is not good and it is not convenient for hydrogen to fully contact with the fly ash. Utility Model Content
[0004] In view of the defects existing in the prior art, the technical problem solved by the utility model is that the traditional transportation method simply uses a transportation pipe to introduce hydrogen into the reduction tank where the fly ash is located, which has a poor use effect and is not convenient for hydrogen to fully contact with the fly ash. A hydrogen transportation device for fly ash reduction is provided.
[0005] In order to achieve the above objectives, the utility model provides:
[0006] A hydrogen conveying device for fly ash reduction comprises a hydrogen reduction tank, wherein a charging port is arranged on the top of the hydrogen reduction tank, a discharge port is arranged on the bottom side of the hydrogen reduction tank, a round box is fixedly installed on the top of the hydrogen reduction tank, a connecting pipe is connected to the outside of the round box, a hydrogen supply mechanism is connected to the connecting pipe, a rotating air supply mechanism is installed on the round box, the bottom side of the rotating air supply mechanism is located inside the hydrogen reduction tank, and an exhaust filter structure is arranged on the top of the hydrogen reduction tank.
[0007] Preferably, the hydrogen supply mechanism comprises a hydrogen tank, the hydrogen tank is connected to a valve, the valve is connected to a hose, the hose is connected to a connector, the connector cooperates with the connecting pipe; a pressure valve is arranged on the hydrogen tank.
[0008] Preferably, the rotating air supply mechanism includes a servo motor, which is installed on the top of the round box. A metal tube is installed on the output shaft of the servo motor. The metal tube is rotatably installed in the hydrogen reduction tank. The top of the metal tube is an opening, and the bottom of the metal tube is a sealing structure. The part of the metal tube located in the hydrogen reduction tank is connected with multiple branch pipes, and multiple air holes are opened on the bottom sides of the multiple branch pipes. Multiple connecting rods are fixedly installed at the top of the metal tube, and the same rotating rod is installed on the multiple connecting rods. The rotating rod is rotatably connected to the top of the round box, and the rotating rod is fixedly installed on the output shaft of the servo motor; the servo motor drives the metal tube to rotate through the rotating rod and the multiple connecting rods, and the metal tube drives the multiple branch pipes to rotate to stir the fly ash, thereby improving the mixing effect of hydrogen and fly ash.
[0009] Preferably, the exhaust filtering structure includes a threaded pipe, the outer side of the threaded pipe is provided with threads, the outer side of the threads is threadedly connected to a cap, the cap is provided with a through hole, and a metal mesh is provided between the cap and the threaded pipe; the internal gas pressure of the hydrogen reduction tank increases, and the fly ash in the gas is blocked and filtered by the metal mesh and then discharged.
[0010] Compared with the prior art, the advantages of the utility model are:
[0011] 1. Add fly ash into the hydrogen reduction tank through the adding port. The hydrogen tank is provided with a pressure valve. The valve is opened, and hydrogen enters the inside of the round box through the hose, the connector and the connecting pipe. The hydrogen enters the inside of the hydrogen reduction tank through the metal pipe, multiple branch pipes and multiple air holes. The fly ash is reduced by hydrogen. The servo motor drives the metal pipe to rotate through the rotating rod and multiple connecting rods. The metal pipe drives the multiple branch pipes to rotate to stir the fly ash, thereby improving the mixing effect of hydrogen and fly ash and improving the reduction effect of fly ash.
[0012] 2. The internal gas pressure of the hydrogen reduction tank increases, and the fly ash in the gas is filtered and discharged through the metal mesh. The fly ash can be blocked while exhausting to prevent it from spreading into the air;
[0013] In the utility model, hydrogen enters the internal gas of the reduction tank to reduce the fly ash, and the metal pipe drives a plurality of branch pipes to rotate and stir the fly ash, thereby improving the mixing effect of hydrogen and fly ash and improving the reduction effect of the fly ash. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is the main structure diagram of this design;
[0015] Figure 2 The schematic diagram of the structure of the rotary air supply mechanism and the round box designed for this purpose;
[0016] Figure 3 Design for this Figure 2 Middle upward structural diagram;
[0017] Figure 4 This is a schematic diagram of the structure of the rotating air supply mechanism in this design.
[0018] In the figure: 1. hydrogen reduction tank; 11. addition port; 12. discharge port; 2. hydrogen supply mechanism; 21. hydrogen tank; 22. connector; 23. hose; 24. valve; 3. round box; 31. connecting pipe; 4. rotating air supply mechanism; 41. metal pipe; 42. branch pipe; 43. air hole; 44. servo motor; 45. rotating rod; 46. connecting rod; 5. exhaust filter structure; 51. cap; 52. through hole; 53. metal mesh; 54. threaded pipe. DETAILED DESCRIPTION
[0019] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings.
[0020] See also Figure 1-4 As shown, a hydrogen conveying device for fly ash reduction includes a hydrogen reduction tank 1. The hydrogen reduction tank 1 is externally connected to a temperature controller for temperature control. A charging port 11 is provided on the top of the hydrogen reduction tank 1, and a discharge port 12 is provided on the bottom side of the hydrogen reduction tank 1. A round box 3 is fixedly installed on the top of the hydrogen reduction tank 1. A connecting pipe 31 is connected to the outside of the round box 3. A hydrogen supply mechanism 2 is connected to the connecting pipe 31. A rotating air supply mechanism 4 is installed on the round box 3. The bottom side of the rotating air supply mechanism 4 is located inside the hydrogen reduction tank 1. An exhaust filter structure 5 is provided on the top of the hydrogen reduction tank 1.
[0021] In this embodiment, the hydrogen supply mechanism 2 includes a hydrogen tank 21, which is connected to a valve 24, which is connected to a hose 23, which is connected to a connector 22, which cooperates with a connecting pipe 31; a pressure valve is provided on the hydrogen tank 21.
[0022] In this embodiment, the rotating air supply mechanism 4 includes a servo motor 44, which is installed on the top of the round box 3. A metal tube 41 is installed on the output shaft of the servo motor 44. The metal tube 41 is rotatably installed in the hydrogen reduction tank 1. The top of the metal tube 41 is an opening, and the bottom of the metal tube 41 is a blocking structure. The part of the metal tube 41 located at the hydrogen reduction tank 1 is connected with multiple branch pipes 42, and multiple branch pipes 42 are each provided with multiple air holes 43 on their bottom sides. Multiple connecting rods 46 are fixedly installed at the top of the metal tube 41, and the same rotating rod 45 is installed on the multiple connecting rods 46. The rotating rod 45 is rotatably connected to the top of the round box 3, and the rotating rod 45 is fixedly installed to the output shaft of the servo motor 44; the servo motor 44 drives the metal tube 41 to rotate through the rotating rod 45 and multiple connecting rods 46, and the metal tube 41 drives the multiple branch pipes 42 to rotate to stir the fly ash, thereby improving the mixing effect of hydrogen and fly ash.
[0023] In this embodiment, the exhaust filtering structure 5 includes a threaded tube 54, the outer side of the threaded tube 54 is provided with threads, the outer side of the threads is threadedly connected to a cap 51, a through hole 52 is opened on the cap 51, and a metal mesh 53 is arranged between the cap 51 and the threaded tube 54; the internal air pressure of the hydrogen reduction tank 1 increases, and the fly ash in the gas is blocked and filtered by the metal mesh 53 and then discharged.
[0024] Working principle: When in use, turn on the power supply and the controller, add fly ash into the hydrogen reduction tank 1 through the adding port 11, a pressure valve is provided on the hydrogen tank 21, open the valve 24, and hydrogen enters the interior of the round box 3 through the hose 23, the connector 22 and the connecting pipe 31, and the hydrogen enters the interior of the hydrogen reduction tank 1 through the metal tube 41, multiple branch pipes 42 and multiple air holes 43, and the fly ash is reduced by hydrogen. The servo motor 44 drives the metal tube 41 to rotate through the rotating rod 45 and multiple connecting rods 46, and the metal tube 41 drives the multiple branch pipes 42 to rotate to stir the fly ash, thereby improving the mixing effect of hydrogen and fly ash and improving the reduction effect of fly ash.
[0025] The present invention is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, any technical solution that is the same or similar to the present invention is within the scope of protection.
Claims
1. A hydrogen delivery device for fly ash reduction, comprising a hydrogen reduction tank (1), wherein the top of the hydrogen reduction tank (1) is provided with a feed port (11), and the bottom side of the hydrogen reduction tank (1) is provided with a discharge port (12), characterized in that: A round box (3) is fixedly mounted on the top of the hydrogen reduction tank (1); a connecting pipe (31) is connected to the outside of the round box (3); the connecting pipe (31) is connected to a hydrogen supply mechanism (2); a rotating air supply mechanism (4) is mounted on the round box (3); the bottom side of the rotating air supply mechanism (4) is located inside the hydrogen reduction tank (1); and an exhaust gas filtering structure (5) is arranged on the top of the hydrogen reduction tank (1).
2. A hydrogen delivery device for fly ash reduction as claimed in claim 1, characterized in that: The hydrogen supply mechanism (2) comprises a hydrogen tank (21), the hydrogen tank (21) is connected to a valve (24), the valve (24) is connected to a hose (23), the hose (23) is connected to a connector (22), and the connector (22) cooperates with a connecting pipe (31).
3. A hydrogen delivery device for fly ash reduction as claimed in claim 1, characterized in that: The rotary air supply mechanism (4) comprises a servo motor (44), the servo motor (44) being mounted on the top of the round box (3), a metal tube (41) being mounted on the output shaft of the servo motor (44), the metal tube (41) being rotatably mounted in the hydrogen reduction tank (1), the top end of the metal tube (41) being open, the bottom end of the metal tube (41) being a blocking structure, the portion of the metal tube (41) located in the hydrogen reduction tank (1) being connected to a plurality of branch tubes (42), the bottom sides of the plurality of branch tubes (42) being provided with a plurality of air holes (43).
4. A hydrogen delivery device for fly ash reduction as claimed in claim 3, characterized in that: A plurality of connecting rods (46) are fixedly mounted on the top of the metal tube (41), and a same rotating rod (45) is mounted on the plurality of connecting rods (46). The rotating rod (45) is rotatably connected to the top of the round box (3), and the rotating rod (45) is fixedly mounted to the output shaft of the servo motor (44).
5. A hydrogen delivery device for fly ash reduction as claimed in claim 1, characterized in that: The exhaust filter structure (5) comprises a threaded tube (54), the outer side of the threaded tube (54) is provided with threads, the outer side of the threads is threadedly connected to a cap (51), a through hole (52) is provided on the cap (51), and a metal mesh (53) is provided between the cap (51) and the threaded tube (54).
