CN217999953U - Draught fan wheel hub cover based on high-temperature flue gas conveying - Google Patents
Draught fan wheel hub cover based on high-temperature flue gas conveying Download PDFInfo
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- CN217999953U CN217999953U CN202221322912.7U CN202221322912U CN217999953U CN 217999953 U CN217999953 U CN 217999953U CN 202221322912 U CN202221322912 U CN 202221322912U CN 217999953 U CN217999953 U CN 217999953U
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Abstract
The utility model relates to a draught fan technical field, specific draught fan wheel hub cover based on carry high temperature flue gas that says so, including the fan blade, fan blade fixed connection is at wheel hub peripheral surface, the wheel hub surface is equipped with protection component, be equipped with anticorrosive board No. one in the protection component, anticorrosive board passes through connecting bolt fixedly connected with anticorrosive board No. two, no. two anticorrosive board surface top integrations are connected with peripheral anticorrosive board, peripheral anticorrosive board below is equipped with the heat insulating board, the connection screw has been seted up on the heat insulating board surface, it has connecting bolt to connect in the screw, connecting bolt keeps away from the one end of connecting the screw and is connected with anticorrosive board integration, through being connected with anticorrosive board at the wheel hub surface, heat insulating board and rubber slab can protect wheel hub not receive the corruption of high temperature flue gas and wheel hub does not receive the high temperature when using influence with this extension wheel hub's life to it is convenient that anticorrosive board and heat insulating board dismantle, convenient the change.
Description
Technical Field
The utility model relates to a draught fan technical field particularly, relates to a draught fan wheel hub cover based on carry high temperature flue gas.
Background
The induced draft fan is a device which generates negative pressure through the rotation of an impeller and then extracts air from a system (device), and is generally installed at the tail end of a boiler and used for extracting hot flue gas in a hearth. In daily life, ventilators are generally divided into induced draft fans (used under negative pressure) and blowers (used under positive pressure) according to different use modes of positive pressure and negative pressure. Induced draft fans are widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilating and air inducing of boilers and industrial kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. The working principle of the induced draft fan is basically the same as that of a turbine compressor, but the pressure change is not large due to low gas flow rate, and the change of the specific volume of the gas is generally not required to be considered, namely the gas is treated as incompressible fluid.
And the hub surface of the induced draft fan used for conveying the high-temperature flue gas can be corroded by the high-temperature flue gas usually to cause the service time of the hub to be shorter, so that the hub needs to be replaced frequently, and the conveying cost and the conveying time are increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a draught fan wheel hub cover based on carry high temperature flue gas, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a draught fan wheel hub cover based on carry high temperature flue gas, includes fan blade, fan blade fixed connection is at wheel hub peripheral surface, the wheel hub surface is equipped with the protection subassembly, be equipped with anticorrosive board No. one in the protection subassembly, anticorrosive board passes through connecting bolt fixedly connected with anticorrosive board No. two, no. two anticorrosive board surface top integration is connected with peripheral anticorrosive board, peripheral anticorrosive board below is equipped with the heat insulating board, the connection screw has been seted up on the heat insulating board surface, the connection has connecting bolt in the connection screw, connecting bolt keeps away from the one end of connecting the screw and is connected with anticorrosive board integration No. one, heat insulating board inner wall fixedly connected with rubber slab between anticorrosive board and No. two, be equipped with wheel hub between the rubber slab, wheel hub center department is connected with the axis of rotation, axis of rotation peripheral surface is equipped with anticorrosive pipe, anticorrosive pipe integration is connected in anticorrosive board and No. two anticorrosive board center departments, no. two anticorrosive board surface integration is connected with connecting seat and connecting piece, pass through fixing bolt fixed connection between connecting piece and the connecting seat.
Preferably, the protection component is sleeved and connected to the surface of the hub.
Preferably, the surface of the peripheral anticorrosive plate is provided with a blade groove, and the blade groove penetrates through the surfaces of the peripheral anticorrosive plate and the heat insulation plate.
Preferably, one end of the peripheral anticorrosive plate, which is close to the first anticorrosive plate, is also provided with a connecting screw hole, and a connecting bolt on the surface of the first anticorrosive plate is connected in the connecting screw hole.
Preferably, one surface of the first anti-corrosion plate, which is close to the second anti-corrosion plate, is provided with two connecting bolts, and the connecting bolts are respectively connected with connecting screw holes in the surfaces of the peripheral anti-corrosion plate and the heat insulation plate.
Preferably, the first anti-corrosion plate is fixedly connected between the first anti-corrosion plate and the second anti-corrosion plate through the connecting bolt and the connecting screw hole.
Preferably, the first anti-corrosion plate and the second anti-corrosion plate are provided with a plurality of pieces, and the second anti-corrosion plate is fixedly connected with the connecting piece through the connecting seat.
Compared with the prior art, the utility model discloses following beneficial effect has:
through being connected with anticorrosive board at the wheel hub surface, can protect wheel hub can not receive the corruption of high temperature flue gas when carrying the high temperature flue gas, and heat insulating board protection wheel hub does not receive high temperature when using and influences the life who prolongs wheel hub with this, and the rubber slab between wheel hub and the heat insulating board not only can strengthen the heat-proof quality of heat insulating board, can also increase the frictional force between heat insulating board and the wheel hub and make not have the space between heat insulating board and the wheel hub, it is convenient to dismantle between anticorrosive board and the heat insulating board through connecting bolt and fixing bolt messenger again, convenient change.
Drawings
Fig. 1 is a schematic view of the overall structure of a hub cover of a draught fan for conveying high-temperature flue gas according to the present invention;
fig. 2 is a schematic structural view of the protection assembly of the induced draft fan hubcap for conveying high-temperature flue gas of the present invention;
fig. 3 is a schematic structural view of a connecting seat of a hub of a draught fan hubcap for conveying high-temperature flue gas according to the present invention;
fig. 4 is the utility model relates to a draught fan wheel hub cover's schematic structure based on carry high temperature flue gas.
In the figure: 1. a fan blade; 2. a rotating shaft; 3. a guard assembly; 301. a corrosion resistant plate I; 302. a second corrosion-resistant plate; 303. a peripheral corrosion protection plate; 304. a vane groove; 305. a heat insulation plate; 306. a rubber plate; 307. connecting screw holes; 308. a connecting bolt; 309. a connecting seat; 310. a connecting member; 311. fixing the bolt; 312. an anticorrosion pipe; 4. a hub.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Examples
As shown in fig. 1 to 4, a draught fan wheel hub cover based on carry high temperature flue gas, including fan blade 1, fan blade 1 fixed connection is on 4 peripheral surfaces of wheel hub, 4 surfaces of wheel hub are equipped with protection component 3, be equipped with anticorrosive board 301 in the protection component 3, anticorrosive board 301 passes through connecting bolt 308 fixedly connected with anticorrosive board 302 No. two, no. two anticorrosive board 302 surface tops integration is connected with peripheral anticorrosive board 303, peripheral anticorrosive board 303 below is equipped with heat insulating board 305, connecting screw 307 has been seted up on heat insulating board 305 surface, connecting bolt 307 in-connection has connecting bolt 308, connecting bolt 308 keeps away from the one end of connecting screw 307 and is connected with anticorrosive board 301 integration, heat insulating board 305 inner wall fixedly connected with rubber slab 306 between anticorrosive board 301 and the anticorrosive board 302 No. two, be equipped with wheel hub 4 between the rubber slab 306, wheel hub 4 center department is connected with axis of rotation 2, 2 peripheral surface of axis of rotation is equipped with anticorrosive pipe 312, anticorrosive pipe 312 is connected in anticorrosive board 301 and anticorrosive board 302 center department of No. two, anticorrosive board 309 and 302 surface integration are connected with anticorrosive board 309 and connecting seat 310, connecting seat 309 and connecting seat are connected through bolt connection fixed connection 311.
Through the technical scheme, the heat insulation plate 305 prevents the hub 4 from being affected by high temperature during working, the rubber plate 306 on the inner wall of the heat insulation plate 305 is responsible for increasing the friction force between the heat insulation plate 305 and the hub 4 and enables no gap to exist between the heat insulation plate 305 and the hub 4, the fixing bolt 311 penetrates through the screw hole formed in the inner wall of the connecting piece 310 to be connected with the connecting base 309 and connected inside the connecting base 309 and the connecting piece 310, and therefore the fixing bolt 311 is not affected by corrosion of high-temperature smoke to assemble and disassemble the second anti-corrosion plate 302.
In this embodiment, 3 covers of protection component establish and connect on the wheel hub 4 surface, peripheral anticorrosive board 303 surface is equipped with blade groove 304, blade groove 304 runs through and sets up on peripheral anticorrosive board 303 and heat insulating board 305 surface, peripheral anticorrosive board 303 is close to the one end of anticorrosive board 301 and has seted up connection screw 307 equally, connect the connecting bolt 308 that is connected with anticorrosive board 301 surface in the screw 307, anticorrosive board 301 one side near No. two anticorrosive board 302 is equipped with two connecting bolt 308, connecting bolt 308 connects peripheral anticorrosive board 303 and the connection screw 307 on heat insulating board 305 surface respectively, anticorrosive board 301 passes through connecting bolt 308 and connecting screw 307 and with 305 fixed connection between anticorrosive board 301 and No. two anticorrosive board 302, anticorrosive board 301 No. two is equipped with a plurality of pieces with No. two, through connecting seat 309 and connecting piece 310 fixed connection between anticorrosive board 302, peripheral anticorrosive board 303 is not only responsible for protecting wheel hub 4 peripheral surface also anticorrosive board 301 and No. two anticorrosive board 302 and is in the same time connected together.
This theory of operation based on carry draught fan wheel hub cover of high temperature flue gas:
when the fan blade is used, firstly, the blade groove 304 on the surface of the heat insulation plate 305 penetrates through the fan blade 1, then the heat insulation plates 305 are sleeved on the surface of the hub 4, the rubber plate 306 on the inner wall of the heat insulation plates 305 is responsible for increasing the friction force between the heat insulation plates 305 and the hub 4 and enabling no gap to exist between the heat insulation plates 305 and the hub 4, then the connecting seat 309 and the connecting piece 310 on one side, away from the peripheral corrosion-resistant plate 303, of the second corrosion-resistant plate 302 are fixedly connected through the fixing bolt 311, the second corrosion-resistant plate 302 is connected together, then the corrosion-resistant pipe 312 in the center of the second corrosion-resistant plate 302 is sleeved on the surface of the rotating shaft 2, the second corrosion-resistant plate 302 is fixed on the surface of the hub 4 through the corrosion-resistant pipe 312, the connecting bolt 308 on the surface of the first corrosion-resistant plate 301 is connected with the connecting screw hole 307 on the surfaces of the peripheral corrosion-resistant plate 303 and the heat insulation plates 305, and the first corrosion-resistant plate 301 is fixedly connected with one side, away from the second corrosion-resistant plate 302, of the hub 4.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an draught fan wheel hub cover based on carry high temperature flue gas, includes fan blade (1), its characterized in that: the fan blade (1) is fixedly connected to the peripheral surface of a hub (4), a protection component (3) is arranged on the surface of the hub (4), a first anti-corrosion plate (301) is arranged in the protection component (3), the first anti-corrosion plate (301) is fixedly connected with a second anti-corrosion plate (302) through a connecting bolt (308), the top of the surface of the second anti-corrosion plate (302) is integrally connected with a peripheral anti-corrosion plate (303), a heat insulation plate (305) is arranged below the peripheral anti-corrosion plate (303), a connecting screw hole (307) is formed in the surface of the heat insulation plate (305), a connecting bolt (308) is connected in the connecting screw hole (307), one end of the connecting bolt (308) far away from the connecting screw hole (307) is integrally connected with the first anti-corrosion plate (301), a rubber plate (306) is fixedly connected to the inner wall of the heat insulation plate (305) between the first anti-corrosion plate (301) and the second anti-corrosion plate (302), the hub (4) is arranged between the rubber plates (306), a rotating shaft (2) is connected to a rotating shaft (2) peripheral surface, an anti-corrosion pipe (312) is connected to the first anti-corrosion pipe (312) and the second anti-corrosion plate (302) and a connecting seat (309) and an anti-corrosion plate (310) are connected to the anti-corrosion plate (302), the connecting piece (310) is fixedly connected with the connecting seat (309) through a fixing bolt (311).
2. The induced draft fan wheel hub cover based on high temperature flue gas conveying of claim 1, wherein: the protection component (3) is sleeved and connected on the surface of the hub (4).
3. The induced draft fan wheel hub cover based on high temperature flue gas conveying of claim 1, wherein: blade grooves (304) are formed in the surface of the peripheral anti-corrosion plate (303), and the blade grooves (304) penetrate through the surfaces of the peripheral anti-corrosion plate (303) and the heat insulation plate (305).
4. The induced draft fan wheel hub cover based on high temperature flue gas conveying of claim 1, wherein: one end of the peripheral anticorrosive plate (303) close to the first anticorrosive plate (301) is also provided with a connecting screw hole (307), and a connecting bolt (308) on the surface of the first anticorrosive plate (301) is connected in the connecting screw hole (307).
5. The induced draft fan wheel hub cover based on high temperature flue gas conveying of claim 1, wherein: one surface of the first anti-corrosion plate (301) close to the second anti-corrosion plate (302) is provided with two connecting bolts (308), and the connecting bolts (308) are respectively connected with the peripheral anti-corrosion plate (303) and a connecting screw hole (307) on the surface of the heat insulation plate (305).
6. The induced draft fan wheel hub cover based on high temperature flue gas conveying of claim 1, wherein: the first anti-corrosion plate (301) is used for fixedly connecting the heat insulation plate (305) between the first anti-corrosion plate (301) and the second anti-corrosion plate (302) through the connecting bolt (308) and the connecting screw hole (307).
7. The induced draft fan wheel hub cover based on high temperature flue gas conveying of claim 1, wherein: a plurality of anticorrosive board (301) and No. two anticorrosive board (302) are equipped with, through connecting seat (309) and connecting piece (310) fixed connection between No. two anticorrosive board (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221322912.7U CN217999953U (en) | 2022-05-30 | 2022-05-30 | Draught fan wheel hub cover based on high-temperature flue gas conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221322912.7U CN217999953U (en) | 2022-05-30 | 2022-05-30 | Draught fan wheel hub cover based on high-temperature flue gas conveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217999953U true CN217999953U (en) | 2022-12-09 |
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ID=84292177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221322912.7U Active CN217999953U (en) | 2022-05-30 | 2022-05-30 | Draught fan wheel hub cover based on high-temperature flue gas conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217999953U (en) |
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2022
- 2022-05-30 CN CN202221322912.7U patent/CN217999953U/en active Active
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