CN220380285U - Diffusion furnace tail gas discharge pipe - Google Patents
Diffusion furnace tail gas discharge pipe Download PDFInfo
- Publication number
- CN220380285U CN220380285U CN202321554592.2U CN202321554592U CN220380285U CN 220380285 U CN220380285 U CN 220380285U CN 202321554592 U CN202321554592 U CN 202321554592U CN 220380285 U CN220380285 U CN 220380285U
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- CN
- China
- Prior art keywords
- groove
- diffusion furnace
- gas discharge
- mounting panel
- discharge pipe
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims abstract description 31
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 18
- 239000002912 waste gas Substances 0.000 abstract description 21
- 229910052757 nitrogen Inorganic materials 0.000 description 17
- 230000000694 effects Effects 0.000 description 16
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of diffusion furnaces and discloses a diffusion furnace tail gas discharge pipe, which effectively solves the problem that the prior nitrogen gas is difficult to contact with waste gas in the middle position when entering the diffusion furnace tail gas discharge pipe.
Description
Technical Field
The utility model belongs to the technical field of diffusion furnaces, and particularly relates to a diffusion furnace tail gas discharge pipe.
Background
According to the patent document with the publication number of CN206247885U, the utility model name of the diffusion furnace exhaust gas discharge pipe is described in the specification: the tail of the tail gas discharge pipe of the diffusion furnace is provided with the 45-degree air inlet which is communicated with the air source through the air pipe, the opening degree of the regulating valve is regulated, and a proper amount of nitrogen is compensated into the pipe body, so that on one hand, waste gas discharge can be driven, and on the other hand, positive pressure in the tail gas discharge pipe of the diffusion furnace is maintained through the nitrogen, the contact of the discharged waste gas with air is avoided, and thus, the generation of metaphosphoric acid is avoided. The long-term smoothness of the tail gas discharge pipe of the diffusion furnace is ensured, and the corrosion of the tail gas discharge pipe of the diffusion furnace is slowed down; the following drawbacks still remain:
when nitrogen enters the scattered furnace tail gas discharge pipe, the nitrogen is often contacted with waste gas at the inner side and the outer side of the pipe, and is not easy to contact with the waste gas near the axis of the scattered furnace tail gas discharge pipe close to the inner side of the pipe, so that the contact effect between the waste gas and the nitrogen is poor, and the treatment effect on the waste gas is affected.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the diffusion furnace tail gas discharge pipe, which effectively solves the problem that the nitrogen is not easy to contact with the waste gas in the middle position when entering the diffusion furnace tail gas discharge pipe.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the exhaust pipe of the diffusion furnace comprises an exhaust pipe, wherein one end of the exhaust pipe is provided with a flange, and a treatment assembly is arranged on the exhaust pipe;
the processing assembly comprises a top block arranged at the top end of the exhaust pipe, a storage groove is formed in the top block, the storage groove is communicated with the inside of the exhaust pipe, a sliding groove is formed in the top end of the top block, the sliding groove penetrates through the storage groove, and a mounting plate is slidably mounted in the sliding groove.
Preferably, the sealing gasket is arranged on the outer wall of the mounting plate, the outer wall of the mounting plate is clung to the inner wall of the sliding groove, and the stirring assembly is arranged on the mounting plate.
Preferably, the mounting panel is kept away from one side of flange and is installed the diaphragm, and the diaphragm is located the top of top piece, and the diapire of diaphragm and the output fixed connection of cylinder, cylinder fixed mounting in the top of top piece.
Preferably, one side of the mounting plate, which is close to the flange, is provided with a connecting pipe, the bottom end of the connecting pipe is provided with a supporting frame, the supporting frame is fixedly arranged at the top end of the top block, one end of the connecting pipe is tightly attached to the outer wall of the mounting plate, and the other end of the connecting pipe is provided with a nitrogen box.
Preferably, the air inlet groove is formed in the mounting plate, the air inlet groove is formed by a first transverse groove, a second transverse groove and a longitudinal groove, the longitudinal groove is used for connecting the first transverse groove with the second transverse groove, the first transverse groove is located above the top block, one end of the first transverse groove penetrates through one side, close to the flange, of the mounting plate, the second transverse groove is located inside the storage groove, one end of the second transverse groove penetrates through one side, far away from the flange, of the mounting plate, and a one-way valve is installed in the second transverse groove.
Preferably, the stirring assembly comprises a rotary groove formed in the mounting plate, the rotary groove is located below the second transverse groove, a rotary shaft is rotatably mounted in the rotary groove, two limiting plates are mounted on the rotary shaft, and the two limiting plates are respectively in contact with two sides of the mounting plate.
Preferably, the fan blades are arranged at equal angles on the rotating shaft, the fan blades are positioned on one side of the mounting plate, which is far away from the flange, the fan blades are obliquely arranged, the fan blades at the top end of the rotating shaft and the second transverse groove are positioned on the same horizontal line, and the stirring blades are uniformly arranged on the outer side of the rotating shaft.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, when exhaust gas is discharged, the mounting plate moves downwards, so that the first transverse groove of the air inlet groove is communicated with one end of the connecting pipe, nitrogen is conveniently discharged, and meanwhile, the second transverse groove of the air inlet groove moves to the position where the axis of the second transverse groove coincides with the axis of the exhaust pipe, so that nitrogen can enter the middle part of the exhaust gas when being discharged, the contact effect of nitrogen and the exhaust gas is improved, and the exhaust gas treatment effect is improved;
(2) This novel flabellum that sets up the slope when through exhaust gas discharge produces thrust, drives the pivot under thrust effect and rotates to make stirring leaf at the inside rotation of blast pipe, stir the inside waste gas and the nitrogen gas of entering blast pipe, thereby further improve the contact effect of nitrogen gas and waste gas, improve the exhaust treatment effect.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic view of the exhaust gas discharge pipe of the diffusion furnace of the present utility model;
FIG. 2 is a schematic view of a processing assembly according to the present utility model;
FIG. 3 is a schematic view of a mounting plate according to the present utility model;
FIG. 4 is a schematic view of a stirring assembly according to the present utility model;
in the figure: 1. an exhaust pipe; 2. a flange; 3. a processing assembly; 301. a top block; 302. a storage groove; 303. a sliding groove; 304. a mounting plate; 305. a support frame; 306. a connecting pipe; 307. a cross plate; 308. a cylinder; 309. an air inlet groove; 310. a one-way valve; 4. a stirring assembly; 401. a rotary groove; 402. a rotating shaft; 403. a limiting plate; 404. a fan blade; 405. stirring the leaves.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An embodiment I is shown in fig. 1-4, the utility model comprises an exhaust pipe 1, one end of the exhaust pipe 1 is provided with a flange 2, and the exhaust pipe 1 is provided with a processing component 3;
the processing assembly 3 comprises a top block 301 arranged at the top end of the exhaust pipe 1, a containing groove 302 is formed in the top block 301, the containing groove 302 is communicated with the inside of the exhaust pipe 1, a sliding groove 303 is formed in the top end of the top block 301, the sliding groove 303 penetrates into the containing groove 302, a mounting plate 304 is slidably arranged in the sliding groove 303, a sealing gasket is arranged on the outer wall of the mounting plate 304, the outer wall of the mounting plate 304 is tightly attached to the inner wall of the sliding groove 303, a stirring assembly 4 is arranged on the mounting plate 304, a transverse plate 307 is arranged on one side of the mounting plate 304 far away from the flange 2, the transverse plate 307 is arranged above the top block 301, the bottom wall of the transverse plate 307 is fixedly connected with the output end of a cylinder 308, the cylinder 308 is fixedly arranged at the top end of the top block 301, a connecting pipe 306 is arranged on one side of the mounting plate 304 close to the flange 2, a supporting frame 305 is arranged at the bottom end of the connecting pipe 306, one end of the connecting pipe 306 is tightly attached to the outer wall of the mounting plate 304, a nitrogen box is mounted at the other end of the connecting pipe 306, an air inlet groove 309 is formed in the mounting plate 304, the air inlet groove 309 is composed of a first transverse groove, a second transverse groove and a longitudinal groove, the longitudinal groove is used for connecting the first transverse groove with the second transverse groove, the first transverse groove is located above the top block 301, one end of the first transverse groove penetrates to one side, close to the flange 2, of the mounting plate 304, the second transverse groove is located in the accommodating groove 302, one end of the second transverse groove penetrates to one side, far away from the flange 2, of the mounting plate 304, a one-way valve 310 is mounted in the second transverse groove, when waste gas is discharged, the mounting plate 304 moves downwards, so that the first transverse groove of the air inlet groove 309 is communicated with one end of the connecting pipe 306, nitrogen is conveniently discharged, and meanwhile, the second transverse groove of the air inlet groove 309 moves to a position where the axis of the second transverse groove coincides with the axis of the exhaust pipe 1, the nitrogen can enter the middle part of the waste gas during the discharge of the nitrogen, the contact effect of the nitrogen and the waste gas is improved, and the waste gas treatment effect is improved.
The stirring subassembly 4 is including seting up in the inside rotary groove 401 of mounting panel 304, the rotary groove 401 is located the below in the second horizontal groove, the pivot 402 is installed in the inside rotation of rotary groove 401, install two limiting plates 403 on the pivot 402, two limiting plates 403 respectively with the both sides contact of mounting panel 304, the fan blade 404 is installed to equiangle on the pivot 402, the fan blade 404 is located the mounting panel 304 and keeps away from one side of flange 2, the fan blade 404 slope sets up, the fan blade 404 on pivot 402 top is in same horizontal line with the second horizontal groove, stirring leaf 405 is evenly installed in the outside of pivot 402, the fan blade 404 to slope setting produces the thrust when waste gas is discharged, drive the pivot 402 rotation under the thrust effect, thereby make stirring leaf 405 rotate in blast pipe 1 inside, stir the waste gas and the nitrogen gas that get into blast pipe 1 inside, thereby further improve the contact effect of nitrogen gas and waste gas, improve the waste gas treatment effect.
Working principle: when the exhaust gas treatment device is used, firstly, when exhaust gas in the exhaust pipe 1 is exhausted, the air cylinder 308 is started, the output end of the air cylinder 308 moves downwards to drive the mounting plate 304 to move downwards, one end of the first transverse groove of the air inlet groove 309 is communicated with one end of the connecting pipe 306, the mounting plate 304 moves downwards, the second transverse groove of the air inlet groove 309 moves downwards, the axis of the second transverse groove is coincident with the axis of the exhaust pipe 1, nitrogen is conveniently introduced from the middle part of the exhaust gas, the contact effect of the nitrogen and the exhaust gas is improved, so that the exhaust gas treatment effect is improved, and the check valve 310 is arranged in the second transverse groove of the air inlet groove 309 to prevent the exhaust gas from being exhausted from the air inlet groove 309;
when nitrogen gas is discharged from the second transverse groove, the nitrogen gas is acted on the surface of the fan blade 404 which is obliquely arranged, and under the action of impact force, the rotating shaft 402 is driven to rotate, so that the stirring blade 405 is driven to continuously rotate in the exhaust pipe 1 to stir nitrogen gas and waste gas, the contact effect of the waste gas and the nitrogen gas is further improved, and the waste gas treatment effect is improved.
Claims (7)
1. The utility model provides a diffusion furnace exhaust emission pipe, includes blast pipe (1), its characterized in that: one end of the exhaust pipe (1) is provided with a flange (2), and the exhaust pipe (1) is provided with a treatment assembly (3);
the processing assembly (3) comprises a top block (301) arranged at the top end of the exhaust pipe (1), a storage groove (302) is formed in the top block (301), the storage groove (302) is communicated with the inside of the exhaust pipe (1), a sliding groove (303) is formed in the top end of the top block (301), the sliding groove (303) penetrates through the inside of the storage groove (302), and a mounting plate (304) is arranged in the sliding groove (303) in a sliding mode.
2. A diffusion furnace exhaust gas discharge pipe according to claim 1, wherein: the outer wall of mounting panel (304) is equipped with sealed pad, and the outer wall of mounting panel (304) is hugged closely with the inner wall of sliding tray (303), installs stirring subassembly (4) on mounting panel (304).
3. A diffusion furnace exhaust gas discharge pipe according to claim 1, wherein: one side of mounting panel (304) far away from flange (2) is installed diaphragm (307), and diaphragm (307) are located the top of top piece (301), and the diapire of diaphragm (307) is fixed connection with the output of cylinder (308), and cylinder (308) fixed mounting is in the top of top piece (301).
4. A diffusion furnace exhaust gas discharge pipe according to claim 1, wherein: one side of mounting panel (304) near flange (2) is equipped with connecting pipe (306), and support frame (305) are installed to the bottom of connecting pipe (306), and support frame (305) fixed mounting is in the top of top piece (301), and the outer wall of mounting panel (304) is hugged closely to one end of connecting pipe (306), and the nitrogen gas tank is installed to the other end of connecting pipe (306).
5. A diffusion furnace exhaust gas discharge pipe according to claim 1, wherein: air inlet groove (309) has been seted up to the inside of mounting panel (304), air inlet groove (309) comprises first horizontal groove, the horizontal groove of second and longitudinal groove, longitudinal groove is with first horizontal groove and the horizontal groove connection of second, first horizontal groove is located top piece (301), and the one end in first horizontal groove runs through to mounting panel (304) one side near flange (2), the second horizontal groove is located accomodates inslot (302), the one end in second horizontal groove runs through to mounting panel (304) one side of keeping away from flange (2), internally mounted in the horizontal groove of second has check valve (310).
6. A diffusion furnace exhaust gas discharge pipe according to claim 2, characterized in that: the stirring assembly (4) comprises a rotating groove (401) formed in the mounting plate (304), the rotating groove (401) is located below the second transverse groove, a rotating shaft (402) is installed in the rotating groove (401) in a rotating mode, two limiting plates (403) are installed on the rotating shaft (402), and the two limiting plates (403) are respectively in contact with two sides of the mounting plate (304).
7. A diffusion furnace exhaust gas discharge pipe according to claim 6, wherein: the fan blades (404) are arranged on the rotating shaft (402) at equal angles, the fan blades (404) are located on one side, far away from the flange (2), of the mounting plate (304), the fan blades (404) are obliquely arranged, the fan blades (404) at the top end of the rotating shaft (402) and the second transverse groove are located on the same horizontal line, and stirring blades (405) are uniformly arranged on the outer side of the rotating shaft (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321554592.2U CN220380285U (en) | 2023-06-19 | 2023-06-19 | Diffusion furnace tail gas discharge pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321554592.2U CN220380285U (en) | 2023-06-19 | 2023-06-19 | Diffusion furnace tail gas discharge pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220380285U true CN220380285U (en) | 2024-01-23 |
Family
ID=89568720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321554592.2U Active CN220380285U (en) | 2023-06-19 | 2023-06-19 | Diffusion furnace tail gas discharge pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220380285U (en) |
-
2023
- 2023-06-19 CN CN202321554592.2U patent/CN220380285U/en active Active
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