Hydrogen rotary reduction furnace
By designing a stable rotating rotary furnace body in a hydrogen slewing reduction furnace, recycling hydrogen in the exhaust gas, and optimizing the discharge process, the problems of poor rotation stability, hydrogen waste and discharge troubles are solved, and a more efficient and economical production process is achieved.
Patent Information
- Application Number
- CN202421275911.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The rotary stability of the hydrogen slewing reduction furnace is poor, resulting in waste of hydrogen raw materials, increasing production costs, and the discharge process is more troublesome.
A hydrogen rotary reduction furnace is designed, including a bottom plate, rotary furnace body, mounting frame, drive assembly, furnace port, furnace door, hydrogen intake pipe and exhaust pipe. The stable rotation of the rotary furnace body is ensured through the coordination of the mounting frame, guide wheel and mounting ring; the hydrogen in the exhaust gas is recovered by the recycling component, and the discharge process is optimized through the support frame and the discharge component.
It improves the stability of the rotary furnace, reduces the waste of hydrogen, reduces production costs, simplifies the discharge process, and improves the efficiency of feeding and discharge.
Smart Images
Figure CN222758290U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydrogen rotary reduction furnaces, in particular to a hydrogen rotary reduction furnace. Background Art
[0002] In the hydrogen rotary reduction furnace, hydrogen acts as a reducing medium, reducing the carbon and oxygen contained in the processed metal materials to generate carbon monoxide, carbon dioxide and water, etc., and then realizing the surface reduction treatment of the metal materials. Although the existing hydrogen rotary reduction furnace can realize the rotation of the rotary furnace body, so that the materials can be turned over for uniform heating, the rotary furnace is coordinated with the guide wheel under the action of gravity, and the stability is poor; moreover, a large amount of hydrogen is mixed in the exhaust gas, resulting in a waste of hydrogen raw materials and increasing production costs; in addition, it is more troublesome to discharge the rotary furnace body. Utility Model Content
[0003] 1. Technical Problems Solved
[0004] The technical problems to be solved by the utility model are that the rotation stability is poor; the hydrogen raw material is wasted, the production cost is increased; and the material discharging is relatively troublesome.
[0005] 2. Technical Solution
[0006] In order to solve the above technical problems, the technical solution provided by the utility model is: a hydrogen rotary reduction furnace, comprising a bottom plate and a rotary furnace body with a heating function, the rotary furnace body is rotatably connected to the bottom plate, the bottom plate is provided with a mounting frame outside the rotary furnace body, the bottom plate is connected with a driving component that can drive the rotary furnace body to rotate, furnace openings are respectively connected at both ends of the rotary furnace body, furnace doors are respectively sealed and hingedly provided on the furnace openings, a hydrogen inlet pipe is rotatably connected to the furnace door on one side, and a waste gas exhaust pipe is rotatably connected to the furnace door on the other side, a recovery component that can recover hydrogen is connected to the waste gas exhaust pipe, the base is respectively connected with support frames on both sides of the bottom plate, and the support frames are respectively connected with discharge components that can facilitate the discharge of the rotary furnace body.
[0007] Furthermore, a mounting ring is connected to the rotary kiln body, and the mounting frame includes an arc frame and a connecting frame connected to both sides of the arc frame, the other end of the connecting frame is connected to the base plate, and a first guide wheel is rotatably connected to the inner side of the arc frame, and the first guide wheel cooperates with the mounting ring, and the base plate is rotatably connected to second guide wheels on both sides of the mounting ring, and the second guide wheel cooperates with the mounting ring. The mounting frame, the first guide wheel, the second guide wheel and the mounting ring are matched to facilitate the rotary kiln body to be limited on the base plate when the rotary kiln body is tilted, and the first guide wheel and the second guide wheel are respectively matched to the mounting ring to facilitate the rotational connection between the rotary kiln body and the base plate.
[0008] Furthermore, the driving assembly includes a connecting shaft connected to the second guide wheel, a connecting block is connected to the middle of the base plate, the connecting shaft is rotatably connected to the connecting block and is respectively connected to pulley one at the end, the base plate is rotatably connected to pulley two, the base plate is connected to a motor between the pulley one, the power output end of the motor is connected to a driving wheel, the driving wheel is connected to pulley one and pulley two in sequence through a synchronous belt, by starting the motor, the motor drives the driving wheel, and the driving wheel transmits motion to pulley one and pulley two through the synchronous belt, and the arrangement of pulley two facilitates to ensure that sufficient wrap angles are maintained between pulley one and the driving wheel and the synchronous belt, thereby facilitating effective driving of the synchronous belt.
[0009] Furthermore, the recovery component includes an absorption box connected to the exhaust pipe of the waste gas, an alkaline absorption liquid is connected to the inside of the absorption box, the exhaust pipe of the waste gas is connected to the bottom of the absorption box, a return air pipe is connected to the top of the hand washing box, and the other end of the return air pipe is connected to a hydrogen inlet pipe. Hydrogen generates waste gases such as carbon monoxide and carbon dioxide by reducing the carbon and oxygen in the material, and the waste gas mixed with hydrogen is introduced into the absorption box through the exhaust pipe of the waste gas, and the alkaline absorption liquid absorbs carbon monoxide and carbon dioxide in the waste gas to separate the hydrogen. The separated hydrogen is introduced into the hydrogen inlet pipe through the return air pipe and recycled again, thereby reducing the amount of hydrogen used and being more energy-saving and environmentally friendly.
[0010] Furthermore, the discharging assembly includes a hinge shaft connected to the top of the support frame, the support frame is hinged with a cross bar through the hinge shaft, both ends of the cross bar are rotatably connected with third guide wheels, the third guide wheels abut the side wall of the mounting ring, and a telescopic cylinder is hinged on the support frame, the power end of the telescopic cylinder is hinged to the cross bar, and by starting the telescopic cylinder, the telescopic cylinder drives the cross bar to drive the rotary kiln body to rotate and tilt around the hinge shaft.
[0011] Furthermore, the support frame is an inverted T-shaped structure.
[0012] 3. Beneficial Effects
[0013] The advantages of the utility model compared with the prior art are:
[0014] 1. The coordinated arrangement of the bottom plate, rotary kiln body, mounting frame, driving assembly, furnace mouth, furnace door, hydrogen inlet pipe and exhaust gas exhaust pipe facilitates feeding and discharging through the coordinated arrangement of the furnace mouth and furnace door on both sides. The rotary kiln body is driven to rotate by the driving assembly, so that the material contacts the inner wall of the rotary kiln body more evenly, which is convenient for uniform heating. In addition, it is also convenient to increase the contact area of hydrogen to facilitate hydrogen reduction of oxygen in the material, etc.
[0015] 2. The setting of the recovery component makes it easy to recover the hydrogen mixed in the exhaust gas, which is convenient for reducing energy saving and cost;
[0016] 3. The coordinated setting of the support frame and the discharge assembly facilitates the driving of the rotary kiln body to rotate and tilt, so that one side of the furnace mouth faces downward, and the furnace door is opened to facilitate discharge. When the discharge is completed, the furnace door on this side is closed, and then the furnace door on the other side is opened to facilitate feeding, thereby improving the discharge and feeding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the structure of the hydrogen rotary reduction furnace of the utility model. Figure 1 .
[0018] Figure 2 It is a schematic diagram of the side section structure of the hydrogen rotary reduction furnace of the utility model.
[0019] Figure 3 This is a schematic diagram of the structure of the hydrogen rotary reduction furnace of the utility model. Figure 2 .
[0020] Figure 4 It is a structural schematic diagram of a driving component in a hydrogen rotary reduction furnace of the utility model.
[0021] Figure 5 This is a top view of the structure of the recovery component in the hydrogen rotary reduction furnace of the utility model.
[0022] As shown in the figure: 1. bottom plate, 2. rotary furnace body, 3. mounting frame, 4. furnace door, 5. hydrogen inlet pipe, 6. exhaust pipe, 7. support frame, 8. mounting ring, 9. first guide wheel, 10. arc frame, 11. second guide wheel, 12. connecting shaft, 13. pulley one, 14. pulley two, 15. motor, 16. driving wheel, 17. synchronous belt, 18. absorption box, 19. return air pipe, 20. articulated shaft, 21. cross bar, 22. third guide wheel, 23. telescopic cylinder. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0024] Embodiment 1
[0025] Combined with Figure 1 , Figure 2 , Figure 3 and Figure 4The hydrogen rotary reduction furnace comprises a bottom plate 1 and a rotary furnace body 2 with a heating function, wherein the rotary furnace body 2 is rotatably connected to the bottom plate 1, and a mounting ring 8 is connected to the rotary furnace body 2. The bottom plate 1 is provided with a mounting frame 3 outside the rotary furnace body 2, and the mounting frame 3 comprises an arc frame 10 and a connecting frame connected to both sides of the arc frame 10, and the other end of the connecting frame is connected to the bottom plate 1, and a first guide wheel 9 is rotatably connected to the inner side of the arc frame 10, and the first guide wheel 9 cooperates with the mounting ring 8, and the bottom plate 1 is rotatably connected to the two sides of the mounting ring 8 respectively with a second guide wheel 11, and the second guide wheel 11 Cooperating with the mounting ring 8, the bottom plate 1 is connected with a driving assembly that can drive the rotary kiln body 2 to rotate, and the driving assembly includes a connecting shaft 12 connected to the second guide wheel 11, a connecting block is connected to the middle of the bottom plate 1, the connecting shaft 12 is rotatably connected to the connecting block and is respectively connected to a pulley 1 13 at the end, a pulley 2 14 is rotatably connected to the bottom plate 1, a motor 15 is connected between the bottom plate 1 and the pulley 1 13, and a driving wheel 16 is connected to the power output end of the motor 15, and the driving wheel 16 is sequentially connected to the pulley 13 and the pulley 2 14 through a synchronous belt 17;
[0026] Combined with Figure 1 The two ends of the rotary furnace body 2 are respectively connected with furnace openings, and the furnace openings are respectively sealed and hinged with furnace doors 4. A hydrogen inlet pipe 5 is rotatably connected to the furnace door 4 on one side, and an exhaust gas exhaust pipe 6 is rotatably connected to the furnace door 4 on the other side.
[0027] Through the coordinated arrangement of the bottom plate 1, the rotary furnace body 2, the mounting frame 3, the driving assembly, the furnace mouth, the furnace door 4, the hydrogen inlet pipe 5 and the exhaust gas exhaust pipe 6 in the above structure, it is convenient to drive the rotary furnace body 2 to rotate through the driving assembly, so that the material therein can be heated more evenly, and because the material is turned with the rotary furnace body 2, the material can be more exposed to hydrogen, which facilitates the reduction of the oxides therein by the hydrogen.
[0028] Embodiment 2
[0029] Based on the first embodiment, combined with the attached Figure 5 The waste gas exhaust pipe 6 is connected to a recovery component that can recover hydrogen, and the recovery component includes an absorption box 18 connected to the waste gas exhaust pipe 6, and an alkaline absorption liquid is connected to the absorption box 18. The waste gas exhaust pipe 6 is connected to the bottom of the absorption box 18, and a return air pipe 19 is connected to the top of the hand washing box, and the other end of the return air pipe 19 is connected to the hydrogen inlet pipe 5.
[0030] The coordinated arrangement of the absorption box and the return air pipe in the above structure facilitates separation of waste gas and hydrogen in the exhaust gas, facilitates hydrogen recovery, and also absorbs waste gas to prevent waste gas from polluting the environment.
[0031] Embodiment 3
[0032] Based on the first and second embodiments, Figure 3 The base is respectively connected to support frames 7 on both sides of the bottom plate 1, and the support frame 7 is an inverted T-shaped structure. The support frame 7 is respectively connected to discharge components that can facilitate the discharge of the rotary furnace body 2. The discharge components include a hinge shaft 20 connected to the top of the support frame 7, and the support frame 7 is hinged with a cross bar 21 through the hinge shaft 20. The two ends of the cross bar 21 are respectively rotatably connected with third guide wheels 22, and the third guide wheel 22 abuts against the side wall of the mounting ring 8. A telescopic cylinder 23 is hinged on the support frame 7, and the power end of the telescopic cylinder 23 is hinged to the cross bar 21.
[0033] The arrangement of the support frame 7, the articulated seat 20, the cross bar 21 and the telescopic cylinder 23 in the above structure facilitates the cross bar 21 to drive the rotary furnace body 2 to rotate through the telescopic cylinder 23, so that the furnace mouth faces downward, which is convenient for discharging.
[0034] The specific usage is as follows:
[0035] The rotary kiln body 2 is driven to rotate by the driving assembly, and the motor 15 is started, and the motor 15 drives the driving wheel 16. The driving wheel 16 transmits the motion to the pulley 13 and the pulley 2 14 through the synchronous belt 17. The setting of the pulley 2 14 is convenient for ensuring that the pulley 13 and the driving wheel 16 maintain a sufficient wrap angle with the synchronous belt 17, which is convenient for the effective driving of the synchronous belt 17. The matching setting of the mounting frame 3, the first guide wheel 9, the second guide wheel 11 and the mounting ring 8 is convenient for ensuring that the rotary kiln body 2 is limited on the bottom plate 1 when the rotary kiln body 2 is tilted. The matching setting of the first guide wheel 9 and the second guide wheel 11 with the mounting ring 8 is convenient for ensuring the rotation connection between the rotary kiln body 2 and the bottom plate 1, so that the material contacts the inner wall of the rotary kiln body 2 more evenly, which is convenient for uniform heating. In addition, it is also convenient to increase the contact area of hydrogen to facilitate hydrogen reduction of oxygen in the material, etc.;
[0036] Hydrogen generates waste gases such as carbon monoxide and carbon dioxide by reducing carbon and oxygen in the material. The hydrogen mixed in the waste gas can be easily recovered by setting the recovery component. The waste gas mixed with hydrogen is introduced into the absorption box 18 through the waste gas exhaust pipe 6. The alkaline absorption liquid absorbs carbon monoxide and carbon dioxide in the waste gas, so that the hydrogen is separated. The separated hydrogen is introduced into the hydrogen intake pipe 5 through the return pipe 19 and recycled again, thereby reducing the amount of hydrogen used, being more energy-saving and environmentally friendly, and reducing energy consumption and costs.
[0037] Feeding and discharging can be achieved through the coordinated arrangement of the furnace openings and the furnace door 4 on both sides. The coordinated arrangement of the support frame 7 and the discharging assembly makes it easy to drive the rotary furnace body 2 to rotate and tilt. By starting the telescopic cylinder 23, the telescopic cylinder 23 drives the cross bar 21 to drive the rotary furnace body 2 to rotate and tilt around the hinge shaft 20, so that one side of the furnace opening faces downward, and the furnace door 4 is opened to facilitate discharging. When discharging is completed, the side furnace door 4 is closed, and then the other side furnace door 4 is opened to facilitate feeding, thereby improving the discharging and feeding efficiency.
[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
[0040] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A hydrogen rotary reduction furnace, comprising a bottom plate (1) and a rotary furnace body (2) having a heating function, wherein the rotary furnace body (2) is rotatably connected to the bottom plate (1), characterized in that: The bottom plate (1) is provided with a mounting frame (3) outside the rotary kiln body (2); a driving component capable of driving the rotary kiln body (2) to rotate is connected to the bottom plate (1); furnace openings are respectively connected to both ends of the rotary kiln body (2); furnace doors (4) are respectively sealed and hingedly provided on the furnace openings; a hydrogen inlet pipe (5) is rotatably connected to the furnace door (4) on one side; a waste gas exhaust pipe (6) is rotatably connected to the furnace door (4) on the other side; a recovery component capable of recovering hydrogen is connected to the waste gas exhaust pipe (6); support frames (7) are respectively connected to both sides of the bottom plate (1); and discharge components capable of facilitating the discharge of the rotary kiln body (2) are respectively connected to the support frames (7).
2. The hydrogen rotary reduction furnace according to claim 1, characterized in that: The rotary kiln body (2) is connected to a mounting ring (8), the mounting frame (3) comprises an arc frame (10) and a connecting frame connected to both sides of the arc frame (10), the other end of the connecting frame is connected to the bottom plate (1), the inside of the arc frame (10) is rotatably connected to a first guide wheel (9), the first guide wheel (9) cooperates with the mounting ring (8), the bottom plate (1) is rotatably connected to both sides of the mounting ring (8) and second guide wheels (11) are respectively provided, the second guide wheel (11) cooperates with the mounting ring (8).
3. The hydrogen rotary reduction furnace according to claim 2, characterized in that: The driving assembly comprises a connecting shaft (12) connected to the inside of the second guide wheel (11); a connecting block is connected to the middle of the base plate (1); the connecting shaft (12) is rotatably connected to the connecting block and is respectively connected to pulleys 1 (13) at the ends; a pulley 2 (14) is rotatably connected to the base plate (1); a motor (15) is connected between the base plate (1) and the pulley 1 (13); a driving wheel (16) is connected to the power output end of the motor (15); the driving wheel (16) is sequentially connected to the pulley 1 (13) and the pulley 2 (14) via a synchronous belt (17).
4. The hydrogen rotary reduction furnace according to claim 1, characterized in that: The recovery component comprises an absorption box (18) connected to a waste gas exhaust pipe (6), an alkaline absorption liquid is connected to the absorption box (18), the waste gas exhaust pipe (6) is connected to the bottom of the absorption box (18), a return air pipe (19) is connected to the top of the absorption box, and the other end of the return air pipe (19) is connected to a hydrogen inlet pipe (5).
5. The hydrogen rotary reduction furnace according to claim 2, characterized in that: The discharging assembly comprises a hinge shaft (20) connected to the top of the support frame (7); the support frame (7) is hingedly provided with a cross bar (21) through the hinge shaft (20); both ends of the cross bar (21) are rotatably connected with third guide wheels (22); the third guide wheels (22) abut against the side wall of the mounting ring (8); a telescopic cylinder (23) is hingedly provided on the support frame (7); the power end of the telescopic cylinder (23) is hingedly provided with the cross bar (21).
6. The hydrogen rotary reduction furnace according to claim 5, characterized in that: The support frame (7) is an inverted T-shaped structure.