CN220648236U - Wall-attached air nozzle device of coal-fired boiler - Google Patents
Wall-attached air nozzle device of coal-fired boiler Download PDFInfo
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- CN220648236U CN220648236U CN202322346359.1U CN202322346359U CN220648236U CN 220648236 U CN220648236 U CN 220648236U CN 202322346359 U CN202322346359 U CN 202322346359U CN 220648236 U CN220648236 U CN 220648236U
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- cover
- wall
- air
- inlet pipe
- air inlet
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims description 20
- 239000003351 stiffener Substances 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of boilers, in particular to an adherence air nozzle device of a coal-fired boiler, which comprises an air inlet pipe, a guide cover and a protection device, wherein the guide cover is positioned on the inner wall of the air inlet pipe, and four cross bars are fixedly connected with the surfaces of the guide cover and the inner surface of the air inlet pipe; the surface of the air guide sleeve is provided with a protection device, the protection device comprises a protection cover, the protection cover is sleeved on the surface of the air guide sleeve, the surface of the protection cover is provided with a plurality of adapting holes, the upper surface of the protection cover is fixedly connected with a clamping ring, the clamping ring is sleeved on the surface of the air guide sleeve, the surface of the air inlet pipe is provided with a reinforcing device, the reinforcing device comprises four reinforcing rods, the four reinforcing rods are inserted into the inner walls of the air inlet pipe and the cross rod, the side walls of the four reinforcing rods are fixedly connected with baffle plates, the baffle plates are positioned on the surface of the air inlet pipe, and the positions, close to the baffle plates, of the surface of the air inlet pipe are fixedly connected with limit columns; can reduce the wearing and tearing of kuppe through setting up the safety cover, also can conveniently install and dismantle the safety cover simultaneously.
Description
Technical Field
The utility model relates to the technical field of boilers, in particular to an adherence air nozzle device of a coal-fired boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, and the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy. The boiler is a water container heated on fire, the boiler is a place where fuel is burned, and the boiler comprises two parts of a boiler and a boiler.
One Chinese patent of Chinese patent application CN206831477U discloses an adherence air nozzle device of a coal-fired boiler, which has the technical scheme key points that: the air flow sprayed in the direction perpendicular to the water-cooled wall is converted into the direction of the parallel water-cooled wall to be sprayed through the guide piece and the annular air flow channel formed by the inner port of the air inlet pipe to be sprayed in the circumferential direction of the air inlet pipe, the annular nozzle is sprayed in the circumferential direction to form the air film covering the water-cooled wall, the air flow coverage area is quite comprehensive, the wall-attached air jet combination formed by a plurality of the devices can form the effective coverage of the water-cooled wall area which is easy to generate high-temperature corrosion, and compared with the traditional axial and radial spraying mode, the air flow spraying is more uniform without too high air rate, and the adverse effect of the high air rate on the pulverized coal combustion in the main combustion area is further avoided. .
With respect to the above and related art, the inventors believe that there are often the following drawbacks: when the boiler is used, the nozzle device is arranged on the inner wall of the air duct, air flow is guided through the guide cover when the boiler is used, a protection measure is lacking at the contact part of the air flow when the traditional guide cover is used, the guide cover is contacted with particles in the air flow when the boiler is used, and the guide cover is likely to be worn; accordingly, an adherence air jet device for a coal-fired boiler is proposed in view of the above-mentioned problems.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an adherence air spout device of a coal-fired boiler, which comprises an air inlet pipe, a guide cover and a protection device, wherein the guide cover is positioned on the inner wall of the air inlet pipe, and four cross bars are fixedly connected with the surfaces of the guide cover and the inner surface of the air inlet pipe; the surface of kuppe is equipped with protection device, protection device includes the safety cover, the safety cover is at the surface of kuppe, a plurality of adaptation holes have been seted up on the surface of safety cover, the upper surface fixedly connected with snap ring of safety cover, the snap ring cover is at the surface of kuppe, four card posts of bottom fixedly connected with of kuppe, the inner wall of safety cover is inserted to the card post, passes through the horizontal pole with the kuppe to be fixed at the air-supply line inner wall, can protect the kuppe to a certain extent through setting up the safety cover, reduces the wearing and tearing of kuppe.
Preferably, the upper surface fixedly connected with a plurality of card posts of kuppe, the guide cover surface is close to the position of card post and has seted up the card hole, the card post inserts and establishes the card downthehole wall at the guide cover, and the snap ring can overlap the surface at the card post through the card hole when the snap ring activity, and the setting of card post can restrict the position of snap ring and safety cover at the guide cover surface to a certain extent.
Preferably, the surface fixedly connected with supporting shoe of card post and kuppe, the snap ring is the rubber ring, when using the card post, fixes the supporting shoe at the surface of card post and kuppe, and the setting of supporting shoe can increase the intensity of card post.
Preferably, the jack is seted up to the position that the safety cover surface is close to the spliced pole, the spliced pole inserts the jack inner wall of establishing the safety cover, can overlap the surface at the spliced pole through the jack when the safety cover removes, and the seting up of jack can be to a certain extent with the surface at the spliced pole with the safety cover.
Preferably, the surface of air-supply line is equipped with reinforcing means, reinforcing means includes four stiffener, four the stiffener inserts the inner wall of establishing at air-supply line and horizontal pole, four the lateral wall fixedly connected with baffle of stiffener, the baffle is located the surface of air-supply line, the position fixedly connected with spacing post that the air-supply line surface is close to the baffle, the baffle cover is at the surface of two spacing posts, and the stiffener inserts the inner wall of air-supply line and horizontal pole, and the baffle also can overlap the surface at spacing post, can increase the intensity of air-supply line and horizontal pole junction through setting up the stiffener.
Preferably, the fixed surface of spacing post is connected with a plurality of antislip strips, the baffle surface is close to the position of spacing post and has been seted up spacing hole, and a plurality of antislip strips and spacing post are inserted and are established at the spacing downthehole wall of baffle, can accomodate spacing post and antislip strip to spacing downthehole wall when the baffle removes, and the setting of antislip strip can reduce the baffle and follow spacing post surface possibility that drops.
The utility model has the advantages that:
1. when the guide cover is installed, the protective cover is sleeved on the surface of the guide cover, the protective cover is sleeved on the surface of the inserting column through the inserting hole, then the clamping ring is pulled to enable the clamping ring to be sleeved on the surface of the guide cover, the clamping ring can also be sleeved on the surfaces of the clamping column and the supporting block through the clamping hole when moving, then the guide cover is fixed on the inner wall of the air inlet pipe through the cross rod, when the air flows, the surface of the protective cover can flow, part of the air flows also can pass through the inner wall of the guide cover and the inner wall of the adapting hole of the protective cover, abrasion of the guide cover can be reduced through the arrangement of the protective cover, and meanwhile, the protective cover can be installed and detached conveniently.
2. According to the utility model, after the air inlet pipe, the air guide cover and the cross rod are fixed together, the reinforcing rod is aligned with the air inlet pipe and the cross rod, then the baffle is pushed to drive the reinforcing rod to slide, the reinforcing rod is inserted into the inner walls of the air inlet pipe and the cross rod, and meanwhile, the limit post and the anti-skid strip are also inserted into the inner walls of the limit holes of the baffle, so that the strength of the joint of the air inlet pipe and the cross rod can be increased to a certain extent by arranging the reinforcing rod.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic perspective view of an air inlet pipe in an attached air jet device of a coal-fired boiler;
FIG. 2 is a schematic cross-sectional view of an air inlet pipe in an adhesive air jet device of a coal-fired boiler;
FIG. 3 is a schematic view of the construction of the wall-mounted wind jet device of the coal-fired boiler at A in FIG. 2;
FIG. 4 is a schematic view showing a bottom view of an air inlet pipe in an attached air jet device of a coal-fired boiler;
fig. 5 is a schematic view of the structure of the wall-attached wind jet device of the coal-fired boiler at the position B in fig. 4.
In the figure: 1. an air inlet pipe; 2. a guide cover; 3. a cross bar; 4. a protection device; 41. a protective cover; 42. an adapter hole; 43. a clasp; 44. inserting a column; 45. a clamping column; 46. a clamping hole; 47. a support block; 48. a jack; 5. a reinforcing means; 51. a reinforcing rod; 52. a baffle; 53. a limit column; 54. an anti-slip strip; 55. and a limiting hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-5, an adherent air nozzle device of a coal-fired boiler comprises an air inlet pipe 1, a guide cover 2 and a protection device 4, wherein the guide cover 2 is positioned on the inner wall of the air inlet pipe 1, and four cross bars 3 are fixedly connected with the surface of the guide cover 2 and the inner surface of the air inlet pipe 1; the surface of the air guide sleeve 2 is provided with a protection device 4, the protection device 4 comprises a protection cover 41, the protection cover 41 is sleeved on the surface of the air guide sleeve 2, a plurality of adapting holes 42 are formed in the surface of the protection cover 41, a clamping ring 43 is fixedly connected to the upper surface of the protection cover 41, the clamping ring 43 is sleeved on the surface of the air guide sleeve 2, the bottom end of the air guide sleeve 2 is fixedly connected with four clamping columns 45, and the clamping columns 45 are inserted into the inner wall of the protection cover 41; during operation, with the cover 41 cover at the surface of kuppe 2, can overlap the surface at inserting post 44 when cover 41 removes, then drag snap ring 43 and let snap ring 43 cover at the surface of kuppe 2, fix kuppe 2 at air-supply line 1 inner wall through horizontal pole 3 at last, can protect kuppe 2 to a certain extent through setting up the cover 41, reduce the wearing and tearing of kuppe 2.
The upper surface of the air guide sleeve 2 is fixedly connected with a plurality of clamping columns 45, clamping holes 46 are formed in the surface of the air guide sleeve 2 at positions close to the clamping columns 45, and the clamping columns 45 are inserted into the inner walls of the clamping holes 46 of the air guide sleeve 2; during operation, when the clamping ring 43 moves, the clamping ring 43 can be sleeved on the surface of the clamping column 45 through the clamping hole 46, and the clamping column 45 can limit the positions of the clamping ring 43 and the protective cover 41 on the surface of the air guide sleeve 2 to a certain extent.
The clamping post 45 and the surface of the air guide sleeve 2 are fixedly connected with a supporting block 47, and the clamping ring 43 is a rubber ring; in operation, the support block 47 is fixed on the surfaces of the clamping column 45 and the air guide sleeve 2, and the strength of the clamping column 45 can be increased due to the arrangement of the support block 47.
A jack 48 is formed in the surface of the protective cover 41 at a position close to the plug post 44, and the plug post 44 is inserted into the inner wall of the jack 48 of the protective cover 41; during operation, the protective cover 41 is sleeved on the surface of the plug post 44 through the insertion holes 48 when moving, and the protective cover 41 can be sleeved on the surface of the plug post 44 to a certain extent through the insertion holes 48.
The surface of the air inlet pipe 1 is provided with a reinforcing device 5, the reinforcing device 5 comprises four reinforcing rods 51, the four reinforcing rods 51 are inserted into the inner walls of the air inlet pipe 1 and the cross rod 3, the side walls of the four reinforcing rods 51 are fixedly connected with a baffle plate 52, the baffle plate 52 is positioned on the surface of the air inlet pipe 1, the position, close to the baffle plate 52, of the surface of the air inlet pipe 1 is fixedly connected with a limit column 53, and the baffle plate 52 is sleeved on the surfaces of the two limit columns 53; during operation, the baffle plate 52 is held to align the reinforcing rod 51 with the air inlet pipe 1 and the cross rod 3, the baffle plate 52 is pushed to drive the reinforcing rod 51 to move, the reinforcing rod 51 is inserted into the inner walls of the air inlet pipe 1 and the cross rod 3, the baffle plate 52 is sleeved on the surface of the limiting column 53, and the strength of the joint of the air inlet pipe 1 and the cross rod 3 can be increased by arranging the reinforcing rod 51.
The surface of the limiting post 53 is fixedly connected with a plurality of anti-slip strips 54, a limiting hole 55 is formed in the surface of the baffle plate 52 at a position close to the limiting post 53, and the anti-slip strips 54 and the limiting post 53 are inserted into the inner wall of the limiting hole 55 of the baffle plate 52; in operation, the limit post 53 and the anti-slip strip 54 are accommodated in the inner wall of the limit hole 55 when the baffle plate 52 moves, and the arrangement of the anti-slip strip 54 can reduce the possibility that the baffle plate 52 falls off from the surface of the limit post 53.
The working principle is that when the air guide sleeve 2 is installed, the protective cover 41 is sleeved on the surface of the air guide sleeve 2, the protective cover 41 is sleeved on the surface of the inserting column 44 through the inserting hole 48, then the clamping ring 43 is pulled to enable the clamping ring 43 to be sleeved on the surface of the air guide sleeve 2, the clamping column 45 and the supporting block 47 are sleeved on the surface of the clamping hole 46 when the clamping ring 43 moves, then the air guide sleeve 2 is fixed on the inner wall of the air inlet pipe 1 through the cross rod 3, when airflow flows, part of the airflow flows on the surface of the protective cover 41, part of the airflow also passes through the inner wall of the air guide sleeve 2 and the inner wall of the adapting hole 42 of the protective cover 41, abrasion of the air guide sleeve 2 can be reduced through the arrangement of the protective cover 41, and meanwhile, the protective cover 41 can be installed and detached conveniently; after the air inlet pipe 1, the air guide sleeve 2 and the cross rod 3 are fixed together, the reinforcing rod 51 is aligned with the air inlet pipe 1 and the cross rod 3, then the baffle plate 52 is pushed to enable the baffle plate 52 to drive the reinforcing rod 51 to slide, the reinforcing rod 51 is inserted into the inner walls of the air inlet pipe 1 and the cross rod 3, meanwhile, the limiting posts 53 and the anti-slip strips 54 are also inserted into the inner walls of the limiting holes 55 of the baffle plate 52, and the strength of the joint of the air inlet pipe 1 and the cross rod 3 can be increased to a certain extent by arranging the reinforcing rod 51.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The wall-attached air nozzle device of the coal-fired boiler comprises an air inlet pipe (1), a guide cover (2) and a protection device (4), wherein the guide cover (2) is positioned on the inner wall of the air inlet pipe (1), and four cross rods (3) are fixedly connected with the surface of the guide cover (2) and the inner surface of the air inlet pipe (1); the method is characterized in that: the surface of kuppe (2) is equipped with protection device (4), protection device (4) include safety cover (41), safety cover (41) cover is at the surface of kuppe (2), a plurality of adaptation holes (42) have been seted up on the surface of safety cover (41), the last fixed surface of safety cover (41) is connected with snap ring (43), snap ring (43) cover is at the surface of kuppe (2), the bottom fixedly connected with four card posts (45) of kuppe (2), the inner wall of safety cover (41) is inserted to card post (45).
2. The coal-fired boiler wall-mounted wind jet device according to claim 1, wherein: the upper surface of kuppe (2) fixedly connected with a plurality of card posts (45), card hole (46) have been seted up in the position that kuppe (2) surface is close to card post (45), card post (45) are inserted and are established at the card hole (46) inner wall of kuppe (2).
3. The coal-fired boiler wall-mounted wind jet device according to claim 2, wherein: the surface of the clamping column (45) and the surface of the air guide sleeve (2) are fixedly connected with a supporting block (47), and the clamping ring (43) is a rubber ring.
4. The coal-fired boiler wall-mounted wind jet device according to claim 1, wherein: the position of the surface of the protective cover (41) close to the inserting column (44) is provided with an inserting hole (48), and the inserting column (44) is inserted into the inner wall of the inserting hole (48) of the protective cover (41).
5. The coal-fired boiler wall-mounted wind jet device according to claim 1, wherein: the surface of air-supply line (1) is equipped with reinforcing means (5), reinforcing means (5) are including four stiffener (51), four stiffener (51) are inserted and are established at the inner wall of air-supply line (1) and horizontal pole (3), four lateral wall fixedly connected with baffle (52) of stiffener (51), baffle (52) are located the surface of air-supply line (1), the position fixedly connected with spacing post (53) that is close to baffle (52) on air-supply line (1) surface, baffle (52) cover is at the surface of two spacing posts (53).
6. The coal-fired boiler wall-mounted wind jet device according to claim 5, wherein: the surface fixing of spacing post (53) is connected with a plurality of antislip strips (54), spacing hole (55) have been seted up in the position that is close to spacing post (53) on baffle (52) surface, a plurality of antislip strips (54) and spacing post (53) insert establish at the spacing hole (55) inner wall of baffle (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322346359.1U CN220648236U (en) | 2023-08-30 | 2023-08-30 | Wall-attached air nozzle device of coal-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322346359.1U CN220648236U (en) | 2023-08-30 | 2023-08-30 | Wall-attached air nozzle device of coal-fired boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220648236U true CN220648236U (en) | 2024-03-22 |
Family
ID=90267930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322346359.1U Active CN220648236U (en) | 2023-08-30 | 2023-08-30 | Wall-attached air nozzle device of coal-fired boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220648236U (en) |
-
2023
- 2023-08-30 CN CN202322346359.1U patent/CN220648236U/en active Active
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