CN219756428U - Secondary air bellows guide plate structure - Google Patents

Abstract

The utility model discloses a guide plate structure of a secondary air bellow, which relates to the technical field of bellow and comprises a box body, wherein an air inlet and an air outlet are respectively formed in two ends of the box body, a filter screen is fixedly inserted into one end of the air inlet of the box body, a guide mechanism is arranged on the filter screen, the guide mechanism comprises a guide cylinder, a rotating rod and guide plates, the guide cylinder is fixedly inserted into one end of the filter screen, the guide cylinder is in a round table-shaped structure, the rotating rod is rotatably arranged at one end of the guide cylinder, a plurality of guide plates are fixedly connected to the side surface of the guide cylinder, the secondary air enters the box body through the air inlet, the secondary air contacts the guide plates to drive the rotating rod to rotate at one end of the guide cylinder, and then the secondary air is uniformly guided to the inner side wall of the filter screen through the guide cylinder and then filtered through the filter screen, so that the problem that the secondary air can be filtered through a filter plate in most of the existing secondary air bellow, but the secondary air cannot be uniformly guided to a filter element for uniform filtration is solved.

Description

Secondary air bellows guide plate structure

Technical Field

The utility model relates to the technical field of air boxes, in particular to a guide plate structure of a secondary air box.

Background

In the boiler combustion, the secondary air is air supply for providing oxygen for fuel, the air quantity of the secondary air is maximum in the primary air, the secondary air and the tertiary air, in order to provide the secondary air, a fan is required to output the secondary air, and the secondary air output by the fan is required to be filtered through an air box;

the existing overgrate air bellows is mostly as disclosed in publication number: in order to solve the above-mentioned problems, an ash conveying device of a secondary air bellows of CN112577062a is provided, which can filter secondary air through a filter plate, but the secondary air cannot be uniformly guided to a filter element for uniform filtration.

Disclosure of Invention

The utility model aims to solve the technical problems: most of the existing secondary air bellows can filter secondary air through a filter plate, but the secondary air cannot be uniformly guided to a filter piece for uniform filtration, so that a secondary air bellows guide plate structure is provided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a overgrate air bellows guide plate structure, the box of bellows is including the box of bellows, air intake and air outlet have been seted up respectively at the both ends of box, box air intake one end fixed grafting has the filter screen that is used for filtering the overgrate air, the filter screen is provided with the guiding mechanism that is used for evenly leading the overgrate air to the filter screen surface, guiding mechanism includes the draft tube, bull stick and baffle, the draft tube is fixed to be pegged graft in the one end of filter screen, the draft tube sets up to round platform column structure, the bull stick rotates the one end of installing at the draft tube, the baffle sets up to a plurality of, and a plurality of baffle fixed connection is in the side of bull stick, the overgrate air gets into in the box through the air intake, the overgrate air contacts the baffle and drives the bull stick and rotate at draft tube one end, and then evenly water conservancy diversion to the filter screen inside wall through draft tube and pivoted baffle, the overgrate air is filtered through the filter screen afterwards.

As a preferable technical scheme of the utility model, one end of the guide cylinder is fixedly connected with a groove plate for fixing the filter screen, the groove plate is provided with a ring groove, one end of the filter screen is fixedly connected with a snap ring matched with the ring groove, and the snap ring is clamped in the ring groove to further fix the guide cylinder.

As a preferable technical scheme of the utility model, the other end of the filter screen is fixedly connected with a mounting ring which can be clamped at the air inlet of the box body, and the filter screen is fixed at the air inlet of the box body through the mounting ring.

As a preferable technical scheme of the utility model, the inner side of the mounting ring is fixedly connected with the mounting frame, one end of the rotating rod is rotatably mounted on the mounting frame, and the rotating rod is conveniently rotated through the mounting frame.

As a preferable technical scheme of the utility model, one end of the mounting ring is fixedly connected with a plurality of fixing rods for stabilizing the filter screen, the other ends of the fixing rods are fixedly inserted into one end of the groove plate, and the filter screen is further fixed at one end of the groove plate through the fixing rods.

As a preferable technical scheme of the utility model, a mounting plate for fixing the groove plate is arranged in the box body, a plurality of brackets for supporting the mounting plate are fixedly connected in the box body, and the groove plate is fixed through the mounting plate.

As a preferable technical scheme of the utility model, one end of the groove plate is fixedly connected with a plurality of clamping blocks, the mounting plate is provided with clamping holes matched with the clamping blocks, and the clamping holes are clamped by the clamping blocks, so that the groove plate is fixed at one end of the mounting plate.

As a preferable technical scheme of the utility model, one end of the box body provided with the air inlet is fixedly connected with an air inlet pipe, one end of the box body provided with the air outlet is fixedly connected with an air outlet pipe, and secondary air is convenient to pass through the box body through the air inlet pipe and the air outlet pipe.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the secondary air enters the box body through the air inlet, the secondary air contacts the guide plate to drive the rotating rod to rotate at one end of the guide cylinder, so that the secondary air is uniformly guided to the inner side wall of the filter screen through the guide cylinder and the rotating guide plate, and then the secondary air is filtered through the filter screen, so that the problem that the existing secondary air box can filter the secondary air through the filter plate mostly, but the secondary air cannot be uniformly guided to the filter element for uniform filtration is solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a case according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a screen according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a filter screen according to an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a diversion mechanism according to an embodiment of the present utility model.

In the figure: 1. a case; 11. an air inlet pipe; 12. an air outlet pipe; 13. a mounting plate; 131. a bracket; 2. a filter screen; 21. a clasp; 22. a mounting ring; 221. a mounting frame; 222. a fixed rod; 3. a diversion mechanism; 31. a guide cylinder; 311. a trough plate; 312. a clamping block; 32. a rotating rod; 33. and a guide plate.

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.

Examples

Referring to fig. 1-5, the present embodiment provides a structure of a secondary air box baffle, including a box body 1 of a secondary air box.

Wherein, the air intake has been seted up to the one end of box 1, and the air outlet has been seted up to the other end of box 1, and the one end fixedly connected with air-supply line 11 of air intake is seted up to box 1, and the one end that box 1 was kept away from to air-supply line 11 is used for connecting the fan of overgrate air, and the one end fixedly connected with air-out pipe 12 of air outlet is seted up to box 1, exports box 1 exhaust gas through air-out pipe 12.

Wherein, the air inlet pipe 11 and the air outlet pipe 12 are preferably fixedly connected at two ends of the box body 1 in a threaded connection manner.

In order to facilitate the filtration of the secondary air entering the box body 1, a filter screen 2 is fixedly arranged in the box body 1.

Wherein, the one end fixedly connected with collar 22 of filter screen 2, collar 22 block is fixed in the air intake department of box 1, and then fixed filter screen 2, can filter through filter screen 2 after the overgrate air gets into in the box 1.

In order to make the secondary wind energy entering the filter screen 2 uniformly contact the inner side wall of the filter screen 2 for filtering, the filter screen 2 is provided with a flow guiding mechanism 3.

The guiding mechanism 3 includes a guiding cylinder 31, a rotating rod 32 and guiding plates 33, as shown in fig. 2, the guiding cylinder 31 is preferably configured as a circular truncated cone structure, the rotating rod 32 is rotatably mounted at one end of the guiding cylinder 31 with smaller area, the guiding plates 33 are preferably configured as a plurality of guiding plates 33, and the plurality of guiding plates 33 are uniformly and fixedly connected on the outer side wall of the rotating rod 32 in an annular array with the rotating rod 32 as a center of a circle.

Wherein, the great one end fixedly connected with fluted disc 311 of draft tube 31, fluted disc 311 has seted up the annular, and the one end fixedly connected with snap ring 21 of collar 22 is kept away from to filter screen 2, and snap ring 21 fixed block is in the annular, and then makes guiding mechanism 3 peg graft in filter screen 2.

To fix the slot plate 311, the slot plate 311 is stably installed in the case 1, and the installation plate 13 is provided in the case 1.

Wherein, fixedly connected with support 131 in the box 1, support 131 preferably sets up to a plurality ofly, and the one end fixed connection of a plurality of supports 131 is on the lateral wall of mounting panel 13, and then fixed stay mounting panel 13.

Wherein, the one end fixedly connected with fixture block 312 that guide shell 31 was kept away from to frid 311, and fixture block 312 preferably sets up to a plurality of, and the mounting panel 13 has seted up the draw-in hole, and fixture block 312 is fixed to be pegged graft in the draw-in hole, and then makes frid 311 fixed connection in the one side of mounting panel 13, and then supports stable frid 311 through mounting panel 13.

After the secondary air is guided into the box body 1 through the air inlet pipe 11, the secondary air enters the filter screen 2, and the secondary air flows to contact the guide plate 33 to drive the rotating rod 32 to rotate, so that the secondary air is guided to the inner side surface of the filter screen 2 through the rotating guide plate 33, and meanwhile, the secondary air passing through the guide plate 33 is also guided to the inner side surface of the filter screen 2 through the guide cylinder 31.

To stabilize the rotation of the rotating rod 32, a mounting bracket 221 is fixedly attached to the inner side of the mounting ring 22.

Wherein, the mounting bracket 221 has been seted up and has been changeed the hole, and the bull stick 32 is kept away from the one end rotation grafting of draft tube 31 in the changeing hole of collar 22, and then stabilizes bull stick 32 and rotate.

To further support the screen 2, a fixing rod 222 is fixedly connected to an end of the mounting ring 22 facing the slot plate 311.

Wherein, the fixing rods 222 are preferably provided in a plurality, the slot plate 311 is provided with slots, and the fixing rods 222 are fixedly inserted into the slots of the slot plate 311, so that the structural strength of the filter screen 2 is enhanced through the fixing rods 222, and the filter screen 2 is stabilized, so that the filter screen 2 is more stable.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a overgrate air bellows guide plate structure, includes box (1) of bellows, its characterized in that: the two ends of the box body (1) are respectively provided with an air inlet and an air outlet, a filter screen (2) for filtering secondary air is fixedly inserted into one end of the air inlet of the box body (1), and the filter screen (2) is provided with a flow guide mechanism (3) for uniformly guiding the secondary air to the surface of the filter screen (2);

guide mechanism (3) are including guide cylinder (31), bull stick (32) and baffle (33), guide cylinder (31) are fixed to be pegged graft in the one end of filter screen (2), guide cylinder (31) set up to round platform column structure, bull stick (32) rotate the one end of installing at guide cylinder (31), baffle (33) set up to a plurality ofly, and a plurality of baffle (33) fixed connection are in the side of bull stick (32).

2. The overgrate air bellows baffle structure of claim 1 wherein: one end fixedly connected with of draft tube (31) is used for fixed filter screen (2) fluted plate (311), annular has been seted up to fluted plate (311), one end fixedly connected with of filter screen (2) snap ring (21) with annular matching.

3. A overgrate air bellows baffle structure as set forth in claim 2 wherein: the other end of the filter screen (2) is fixedly connected with a mounting ring (22) which can be clamped at the air inlet of the box body (1).

4. A overgrate air bellows baffle structure as set forth in claim 3 wherein: the inside fixedly connected with mounting bracket (221) of collar (22), the one end of bull stick (32) rotates and installs on mounting bracket (221).

5. The overgrate air bellows baffle structure of claim 4 wherein: one end of the mounting ring (22) is fixedly connected with a plurality of fixing rods (222) for stabilizing the filter screen (2), and the other ends of the fixing rods (222) are fixedly inserted into one end of the groove plate (311).

6. The overgrate air bellows baffle structure of claim 5 wherein: the inside of box (1) is provided with mounting panel (13) that are used for fixed frid (311), fixedly connected with a plurality of support (131) that are used for supporting mounting panel (13) in box (1).

7. The overgrate air bellows baffle structure of claim 6 wherein: one end of the groove plate (311) is fixedly connected with a plurality of clamping blocks (312), and the mounting plate (13) is provided with clamping holes matched with the clamping blocks (312).

8. The overgrate air bellows baffle structure of claim 6 wherein: one end of the box body (1) provided with an air inlet is fixedly connected with an air inlet pipe (11), and one end of the box body (1) provided with an air outlet is fixedly connected with an air outlet pipe (12).