Converter for distributing and guiding flue gas
By using multiple fine conversion tubes and spoiler components in the conversion furnace, the problems of heat inhomogeneity and efficiency reduction caused by a single large diameter conversion tube are solved, and more efficient nitrogen oxide conversion and convenient equipment maintenance are achieved.
Patent Information
- Application Number
- CN202422464640.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-10-12
AI Technical Summary
In existing conversion furnaces, the diameter of a single conversion tube is large, resulting in uneven internal heating, reduced conversion efficiency, accelerated catalyst deactivation and equipment damage.
A conversion furnace for flue gas distribution and flow diversion is designed, and multiple thinner conversion tubes are used to replace the traditional thick conversion tubes, and a spoiler assembly is installed in the furnace body to accelerate the gas flow through the rotation of the disturbing plate to ensure that each conversion tube is uniformly heated.
Through the distribution and diversion design of multiple conversion tubes, the uniformity of gas heat is achieved, the conversion efficiency is improved, the catalyst life is extended, and the conversion tube replacement process is simplified.
Smart Images

Figure CN223027083U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reforming furnaces, in particular to a reforming furnace for flue gas distribution and diversion. Background Technique
[0002] Nitrogen oxides are one of the main pollutants in flue gas emissions. Nitrogen oxides in flue gas include nitric oxide and nitrogen dioxide. Nitric oxide accounts for the vast majority, and the proportion of nitrogen dioxide is very small. However, with the strengthening of environmental protection efforts, the emission standards for nitrogen oxides are getting lower and lower, and the detection of nitrogen dioxide has become gradually stricter. The detection of nitrogen dioxide is relatively difficult. It is necessary to first convert nitrogen dioxide into nitric oxide using a reforming furnace and then conduct the detection. The nitrogen oxide reforming furnace uses a polymer material as a carrier and is loaded with a highly efficient catalyst. Under certain temperature conditions, nitrogen dioxide can be converted into nitric oxide. In the prior art, the reforming furnace generally uses a single reforming tube. The diameter of a single reforming tube is relatively large. The larger the diameter of the reforming tube, the more uneven the internal heating, which will lead to problems such as a decrease in reforming efficiency, accelerated deactivation of the catalyst, and equipment damage. Therefore, the utility model proposes a reforming furnace for flue gas distribution and diversion to solve the above problems. Content of the Utility Model
[0003] The purpose of the utility model is to provide a reforming furnace for flue gas distribution and diversion to solve the problems raised in the above background technique.
[0004] To achieve the above purpose, the utility model provides the following technical solution: A reforming furnace for flue gas distribution and diversion, including a furnace body and a heating structure for heating the inside of the furnace body. A flow disturbing component for disturbing the gas inside the furnace body is provided on the furnace body. A tail cover is threadedly connected to the furnace body. A rotating column is rotatably connected inside the tail cover. One end of the rotating column is fixedly connected to a second disc. One end of the second disc is fixedly connected to a connecting plate. One end of the connecting plate is fixedly connected to a first disc. A plurality of reforming tubes are provided on the first disc. The first disc and the reforming tubes are installed through a sealing installation component.
[0005] Preferably, an air inlet pipe is communicated with the furnace body, and an air outlet pipe is communicated with the furnace body. A first sealing ring is provided on the first disc, and a second sealing ring is provided on the second disc. The second disc and the second sealing ring are closely attached to the inside of the furnace body.
[0006] Preferably, the flow disturbing component includes a driving motor fixedly installed at one end of the furnace body. The output end of the driving motor is fixedly connected to a connecting column. The connecting column is rotatably connected to the furnace body. A plurality of disturbing plates are fixedly installed on the connecting column.
[0007] Preferably, the sealing and mounting assembly includes a convex hole, a sealing gasket, positioning posts, positioning holes, locking bolts, and a fixing ring, and the convex hole is formed in the first disc.
[0008] Preferably, the sealing gasket is arranged in the convex hole, the positioning posts are fixedly installed at one end of the first disc, the fixing ring is fixedly installed on the conversion tube, and the conversion tube can extend into the convex hole.
[0009] Preferably, the positioning holes are formed in the fixing ring for the positioning posts to extend into, the fixing ring and the first disc are locked by the locking bolts, and the inside of the conversion tube is filled with a catalyst.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0011] By rotating the disturbance plate, the gas flow in the furnace body is accelerated, so that the heat received by the conversion tube is more uniform. The gas contacts the catalyst in the conversion tube through multiple conversion tubes, and the multiple conversion tubes realize the distribution and diversion of the gas, making the gas receive heat more uniformly inside the conversion tube. The first sealing ring and the second sealing ring are high-temperature-resistant O-shaped sealing rings, which play a sealing role to prevent gas leakage. By rotating the locking bolts, the locking bolts are separated from the first disc, and the conversion tube can be removed and replaced, improving the convenience. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model.
[0013] Figure 2 is a schematic diagram of the internal structure of the present utility model.
[0014] Figure 3 is a schematic diagram of the partial structure of the present utility model.
[0015] Figure 4 is a schematic diagram of the structure of the sealing and mounting assembly of the present utility model.
[0016] In the figure: 1, furnace body; 2, tail cover; 3, air outlet pipe; 4, air inlet pipe; 5, turbulence component; 6, sealing and mounting assembly; 7, conversion tube; 8, first disc; 9, first sealing ring; 10, second disc; 11, second sealing ring; 12, connecting plate; 13, rotating column; 51, driving motor; 52, connecting column; 53, disturbance plate; 61, convex hole; 62, sealing gasket; 63, positioning post; 64, positioning hole; 65, locking bolt; 66, fixing ring. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0018] Please refer to Figures 1 to 4 , the present invention provides a technical solution: a reformer for flue gas distribution and diversion, including a furnace body 1 and a heating structure for heating the inside of the furnace body 1. The heating structure is a mature prior art and will not be described in detail here. A flow disturbing component 5 for disturbing the gas in the furnace body 1 is arranged on the furnace body 1. A tail cover 2 is threadedly connected to the furnace body 1. A rotating column 13 is rotatably connected inside the tail cover 2. One end of the rotating column 13 is fixedly connected to a second disk 10. One end of the second disk 10 is fixedly connected to a connecting plate 12. One end of the connecting plate 12 is fixedly connected to a first disk 8. A plurality of reforming tubes 7 are arranged on the first disk 8. The first disk 8 and the reforming tubes 7 are installed through a sealing installation component 6. A driving motor 51 drives a disturbing plate 53 to rotate through a connecting column 52, accelerating the gas flow in the furnace body 1, making the heating of the reforming tubes 7 more uniform. The gas contacts the catalyst in the plurality of reforming tubes 7. The plurality of reforming tubes 7 realize the distribution and diversion of the gas, making the heating of the gas in the reforming tubes 7 more uniform. The first sealing ring 9 and the second sealing ring 11 are high-temperature-resistant O-shaped sealing rings, playing a sealing role to prevent gas leakage. By rotating the locking bolt 65, the locking bolt 65 is disengaged from the first disk 8, and the reforming tube 7 can be removed and replaced, improving the convenience.
[0019] An air inlet pipe 4 is communicated with the furnace body 1, and an air outlet pipe 3 is communicated with the furnace body 1. A first sealing ring 9 is arranged on the first disk 8, and a second sealing ring 11 is arranged on the second disk 10. The second disk 10 and the second sealing ring 11 are closely attached to the inside of the furnace body 1. The flow disturbing component 5 includes a driving motor 51 fixedly installed at one end of the furnace body 1. The output end of the driving motor 51 is fixedly connected to a connecting column 52. The connecting column 52 is rotatably connected to the furnace body 1. A plurality of disturbing plates 53 are fixedly installed on the connecting column 52. Starting the driving motor 51, the driving motor 51 drives the disturbing plate 53 to rotate through the connecting column 52, accelerating the gas flow in the furnace body 1, making the heating of the reforming tubes 7 more uniform.
[0020] The sealed installation assembly 6 includes a convex hole 61, a gasket 62, a positioning post 63, a positioning hole 64, a locking bolt 65 and a fixing ring 66. The convex hole 61 is formed in the first disk 8. The gasket 62 is arranged in the convex hole 61. The positioning post 63 is fixedly installed at one end of the first disk 8. The fixing ring 66 is fixedly installed on the conversion tube 7. The convex hole 61 allows the conversion tube 7 to extend into it. The positioning hole 64 is formed in the fixing ring 66 for the positioning post 63 to extend into. The fixing ring 66 and the first disk 8 are locked by the locking bolt 65. The interior of the conversion tube 7 is filled with a catalyst. Multiple thinner conversion tubes 7 replace the traditional thick conversion tube 7, making the heat inside the conversion tube 7 more uniform. The first sealing ring 9 and the second sealing ring 11 are high-temperature-resistant O-ring seals, which play a sealing role to prevent gas leakage. After the converted gas enters the clamping cavity, it finally flows out through the air outlet pipe 3. When the conversion tube 7 needs to be replaced, rotate the locking bolt 65 to disengage the locking bolt 65 from the first disk 8, and the conversion tube 7 can be removed and replaced.
[0021] During actual use, the furnace body 1 is heated by an external heating structure. The gas to be converted is introduced into the furnace body 1 through the air inlet pipe 4. The first sealing ring 9 plays a sealing role. Start the driving motor 51. The driving motor 51 drives the disturbing plate 53 to rotate through the connecting column 52, accelerating the gas flow in the furnace body 1 and making the heat received by the conversion tube 7 more uniform. The gas contacts the catalyst in the multiple conversion tubes 7. The multiple conversion tubes 7 achieve the distribution and diversion of the gas, making the heat received by the gas inside the conversion tube 7 more uniform. The converted gas flows out through the convex hole 61 and enters the clamping cavity between the first disk 8 and the second disk 10. The first sealing ring 9 and the second sealing ring 11 are high-temperature-resistant O-ring seals, which play a sealing role to prevent gas leakage. After the converted gas enters the clamping cavity, it finally flows out through the air outlet pipe 3. When the conversion tube 7 needs to be replaced, rotate the locking bolt 65 to disengage the locking bolt 65 from the first disk 8, and the conversion tube 7 can be removed and replaced, improving the convenience.
[0022] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A flue gas distribution and diversion reformer, comprising a furnace body (1) and a heating structure for heating the interior of the furnace body (1), characterized in that: The furnace body (1) is provided with a turbulent assembly (5) for disturbing the gas in the furnace body (1); a tail cover (2) is threadedly connected to the furnace body (1); a rotating column (13) is rotatably connected inside the tail cover (2); a second disc (10) is fixedly connected to one end of the rotating column (13); a connecting plate (12) is fixedly connected to one end of the second disc (10); a first disc (8) is fixedly connected to one end of the connecting plate (12); a plurality of conversion tubes (7) are provided on the first disc (8); and the first disc (8) and the conversion tubes (7) are mounted via a sealing mounting assembly (6).
2. The reformer with flue gas distribution and diversion according to claim 1, characterized in that: An air inlet pipe (4) is connected to the furnace body (1), an air outlet pipe (3) is connected to the furnace body (1), a first sealing ring (9) is provided on the first disc (8), a second sealing ring (11) is provided on the second disc (10), and the second disc (10) and the second sealing ring (11) are tightly attached to the interior of the furnace body (1).
3. The reformer with flue gas distribution and diversion according to claim 2, characterized in that: The spoiler assembly (5) comprises a drive motor (51) fixedly mounted on one end of the furnace body (1); a connecting column (52) is fixedly connected to the output end of the drive motor (51); the connecting column (52) is rotatably connected to the furnace body (1); and a plurality of spoiler plates (53) are fixedly mounted on the connecting column (52).
4. The reformer with flue gas distribution and diversion according to claim 3, characterized in that: The sealing installation assembly (6) comprises a convex hole (61), a sealing gasket (62), a positioning column (63), a positioning hole (64), a locking bolt (65) and a fixing ring (66); the convex hole (61) is formed on the first disc (8).
5. The reformer with flue gas distribution and diversion according to claim 4, characterized in that: The sealing gasket (62) is arranged in the convex hole (61), the positioning column (63) is fixedly mounted on one end of the first disc (8), the fixing ring (66) is fixedly mounted on the conversion tube (7), and the convex hole (61) allows the conversion tube (7) to extend into.
6. The reformer with flue gas distribution and diversion according to claim 5, characterized in that: The positioning hole (64) is formed on the fixing ring (66) and is provided for the positioning column (63) to extend therein. The fixing ring (66) and the first disc (8) are locked by means of locking bolts (65). The interior of the conversion tube (7) is filled with a catalyst.