CN211651320U - Air preheating device for boiler - Google Patents
Air preheating device for boiler Download PDFInfo
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- CN211651320U CN211651320U CN201922440244.2U CN201922440244U CN211651320U CN 211651320 U CN211651320 U CN 211651320U CN 201922440244 U CN201922440244 U CN 201922440244U CN 211651320 U CN211651320 U CN 211651320U
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Abstract
The utility model discloses an air preheating device for boiler, including the preheating device main part, the lower extreme of preheating device main part is provided with the supporting legs, the one end of supporting legs is provided with clearance mechanism, one side that the lower extreme of preheating device main part is close to the supporting legs is provided with the blow off pipe, the lower extreme of blow off pipe is connected with fixed lid, the upper end of preheating device main part is provided with the intake pipe, the upper end of intake pipe is connected with adapter sleeve, adapter sleeve's inside is provided with the filter screen, adapter sleeve's upper end is provided with the connecting pipe, one side that the upper end of preheating device main part is close to the intake pipe is provided with the outlet. An air preheating device for boiler, the discharge of the inside debris of device of can being convenient for, the wiring of device of can being convenient for the wiring of device is more stable.
Description
Technical Field
The utility model relates to an air preheating technical field of boiler, in particular to an air preheating device for boiler.
Background
An air preheating device of a boiler is a heating surface for preheating air before entering the boiler to a certain temperature by smoke in a flue at the tail part of the boiler through an internal radiating fin, and is a device for improving the heat exchange performance of the boiler and reducing energy consumption.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an air preheater for a boiler, which can effectively solve the problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an air preheating device for a boiler comprises a preheating device main body, wherein the lower end of the preheating device main body is provided with supporting legs, one end of each supporting leg is provided with a cleaning mechanism, one side of the lower end of the preheating device main body, which is close to the supporting legs, is provided with a drain pipe, the lower end of the drain pipe is connected with a fixing cover, the upper end of the preheating device main body is provided with an air inlet pipe, the upper end of the air inlet pipe is connected with a connecting sleeve, a filter screen is arranged inside the connecting sleeve, the upper end of the connecting sleeve is provided with a connecting pipe, one side of the upper end of the preheating device main body, which is close to the air inlet pipe, is provided with a first flange, one end of the first flange is connected with a second flange, the inside of the second flange is provided with a fixing, the upper end of the controller is provided with a wiring device, and a heating pipe is arranged in the preheating device main body.
Preferably, termination includes fixed pipe, rotating sleeve, the lower extreme of fixed pipe and the upper end fixed connection of controller, the upper end of fixed pipe is provided with rotating sleeve, rotating sleeve's lower extreme and the upper end swing joint of fixed pipe.
Preferably, clearance mechanism includes spliced pole, fixed sleeve, connects the spine, the one end of spliced pole and the one end fixed connection of supporting legs, the one end of spliced pole is provided with fixed sleeve, the one end fixed connection of fixed sleeve's one end and spliced pole, fixed sleeve's inside is provided with connects the spine, the surface of connecting the spine and fixed sleeve's internal surface swing joint.
Preferably, a guide plate is connected inside the heating pipe and fixedly connected with the heating pipe.
Preferably, the upper end of the supporting leg is fixedly connected with the lower end of the preheating device main body, the upper end of the drain pipe is fixedly connected with the lower end of the preheating device main body, and the upper end of the fixing cover is movably connected with the lower end of the drain pipe.
Preferably, the lower end of the air inlet pipe is fixedly connected with the upper end of the preheating device main body, the lower end of the connecting sleeve is movably connected with the upper end of the air inlet pipe, and the filter screen is fixedly connected with the connecting sleeve.
Preferably, the lower end of the connecting pipe is movably connected with the upper end of the connecting sleeve, the lower end of the air outlet pipe is fixedly connected with the upper end of the preheating device main body, and one end of the first flange plate is fixedly connected with one end of the preheating device main body.
Preferably, one end of the second flange plate is fixedly connected with one end of the first flange plate, the fixing screw is fixedly connected with the second flange plate, one end of the controller is fixedly connected with one end of the fixing screw, and the heating pipe is fixedly connected with the preheating device main body.
Compared with the prior art, the utility model discloses following beneficial effect has: the air preheating device for the boiler can connect the air inlet pipe and the connecting pipe through the connecting sleeve, is convenient to filter impurities in air through the filter screen in the connecting sleeve, is more convenient, can separate the fixed cover from the blow-off pipe during blow-off, can facilitate the discharge of impurities through the blow-off pipe, can draw out the connecting sharp pricks from the inside of the fixed sleeve when the blow-off pipe is blocked by the impurities, can break the impurities in the blow-off pipe through the connecting sharp pricks, is convenient to discharge the impurities in the blow-off pipe, is more convenient, the external lead can pass through the rotating sleeve and the fixed pipe to be connected with the controller, can screw the rotating sleeve above the fixed pipe and screw the rotating sleeve when the external lead is connected with the controller, can fix the external lead through the screwing of the rotating sleeve, is convenient for the connection and fixation of the external lead with the controller, and is more practical, the using effect is better compared with the traditional mode.
Drawings
Fig. 1 is a schematic view of an overall structure of an air preheating device for a boiler according to the present invention;
FIG. 2 is a schematic sectional view of an inlet pipe of an air preheating device for a boiler according to the present invention;
FIG. 3 is an exploded view of a controller and a blow-off pipe of an air preheating device for a boiler according to the present invention;
FIG. 4 is a schematic structural view of a wiring device of an air preheating device for a boiler according to the present invention;
FIG. 5 is a structural diagram of a cleaning mechanism of an air preheater for a boiler according to the present invention;
fig. 6 is a schematic sectional view of the preheating device main body of the air preheating device for a boiler of the present invention.
In the figure: 1. a preheating device main body; 2. an air inlet pipe; 3. connecting a sleeve; 4. an air outlet pipe; 5. a first flange plate; 6. a second flange plate; 7. a wiring device; 71. a fixed tube; 72. rotating the sleeve; 8. a cleaning mechanism; 81. connecting columns; 82. fixing the sleeve; 83. connecting the spikes; 9. fixing screws; 10. a blow-off pipe; 11. a controller; 12. supporting legs; 13. a connecting pipe; 14. a filter screen; 15. heating a tube; 16. a baffle; 17. and (5) fixing the cover.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-6, an air preheating device for a boiler comprises a preheating device main body 1, a supporting leg 12 is arranged at the lower end of the preheating device main body 1, a cleaning mechanism 8 is arranged at one end of the supporting leg 12, a drain pipe 10 is arranged at one side of the lower end of the preheating device main body 1 close to the supporting leg 12, a fixing cover 17 is connected with the lower end of the drain pipe 10, an air inlet pipe 2 is arranged at the upper end of the preheating device main body 1, a connecting sleeve 3 is connected with the upper end of the air inlet pipe 2, a filter screen 14 is arranged inside the connecting sleeve 3, a connecting pipe 13 is arranged at the upper end of the connecting sleeve 3, an air outlet pipe 4 is arranged at one side of the upper end of the preheating device main body 1 close to the air inlet pipe 2, a first flange 5 is arranged at one end of the preheating device, a controller 11 is arranged at one end of the second flange 6, a wiring device 7 is arranged at the upper end of the controller 11, and a heating pipe 15 is arranged inside the preheating device main body 1.
The wiring device 7 comprises a fixed pipe 71 and a rotary sleeve 72, the lower end of the fixed pipe 71 is fixedly connected with the upper end of the controller 11, the upper end of the fixed pipe 71 is provided with the rotary sleeve 72, the lower end of the rotary sleeve 72 is movably connected with the upper end of the fixed pipe 71, an external lead can penetrate through the rotary sleeve 72 and is connected with the controller 11, when the external lead is connected with the controller 11, the rotary sleeve 72 can be screwed above the fixed pipe 71 and the rotary sleeve 72 is screwed, and the external lead can be fixed through screwing of the rotary sleeve 72.
The interior of the heating pipe 15 is connected with a guide plate 16, the guide of liquid can be facilitated through the guide plate 16, and the guide plate 16 is fixedly connected with the heating pipe 15.
The upper end of the supporting leg 12 is fixedly connected with the lower end of the preheating device main body 1, the preheating device main body 1 can be supported through the supporting leg 12, the upper end of the sewage discharge pipe 10 is fixedly connected with the lower end of the preheating device main body 1, and the upper end of the fixed cover 17 is movably connected with the lower end of the sewage discharge pipe 10.
The lower extreme of intake pipe 2 and the upper end fixed connection of preheating device main part 1, the lower extreme of adapter sleeve 3 and the upper end swing joint of intake pipe 2, filter screen 14 and adapter sleeve 3 fixed connection can filter the dust in the air through filter screen 14.
The lower end of the connecting pipe 13 is movably connected with the upper end of the connecting sleeve 3, the lower end of the air outlet pipe 4 is fixedly connected with the upper end of the preheating device main body 1, and one end of the first flange 5 is fixedly connected with one end of the preheating device main body 1.
One end of the second flange 6 is fixedly connected with one end of the first flange 5, the fixing screw 9 is fixedly connected with the second flange 6, the first flange 5 and the second flange 6 can be connected through the fixing screw 9, one end of the controller 11 is fixedly connected with one end of the fixing screw 9, and the heating pipe 15 is fixedly connected with the preheating device main body 1.
It should be noted that the present invention relates to an air preheating device for a boiler, air can enter the preheating device main body 1 from the connecting sleeve 3, and can be discharged from the outlet pipe 4 after being heated by the heating pipe 15, so as to facilitate preheating of air, the first flange 5 and the second flange 6 can be connected by the fixing screw 9, the fixing sleeve 82 can be connected by the connecting post 81, the connecting spike 83 can be fixed inside the fixing sleeve 82, when the blow-off pipe 10 is blocked by the sundries, the connecting spike 83 can be drawn out from the inside of the fixing sleeve 82, the sundries in the blow-off pipe 10 can be broken by the connecting spike 83, so as to facilitate discharging the sundries in the blow-off pipe 10, the external lead wire can pass through the rotating sleeve 72, the fixing pipe 71 is connected with the controller 11, when the external lead wire is connected with the controller 11, the rotating sleeve 72 can be screwed on the fixing pipe 71, the rotary sleeve 72 is screwed, and the external lead can be fixed by screwing the rotary sleeve 72, so that the rotary sleeve is more convenient, surpasses the traditional air preheating device in the use prospect, and is more practical.
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 (8)
1. An air preheating device for a boiler, comprising a preheating device main body (1), characterized in that: the lower end of the preheating device main body (1) is provided with a supporting leg (12), one end of the supporting leg (12) is provided with a cleaning mechanism (8), one side of the lower end of the preheating device main body (1) close to the supporting leg (12) is provided with a blow-off pipe (10), the lower end of the blow-off pipe (10) is connected with a fixed cover (17), the upper end of the preheating device main body (1) is provided with an air inlet pipe (2), the upper end of the air inlet pipe (2) is connected with a connecting sleeve (3), a filter screen (14) is arranged inside the connecting sleeve (3), the upper end of the connecting sleeve (3) is provided with a connecting pipe (13), one side of the upper end of the preheating device main body (1) close to the air inlet pipe (2) is provided with an air outlet pipe (4), one end of the preheating device main body (1) is provided with a first flange, the inside of No. two ring flanges (6) is provided with set screw (9), the one end of No. two ring flanges (6) is provided with controller (11), the upper end of controller (11) is provided with termination (7), the internally mounted of preheating device main part (1) has heating pipe (15).
2. An air preheating device for a boiler as set forth in claim 1, wherein: termination (7) are including fixed pipe (71), rotating sleeve (72), the upper end fixed connection of the lower extreme of fixed pipe (71) and controller (11), the upper end of fixed pipe (71) is provided with rotating sleeve (72), the lower extreme of rotating sleeve (72) and the upper end swing joint of fixed pipe (71).
3. An air preheating device for a boiler as set forth in claim 1, wherein: clearance mechanism (8) are including spliced pole (81), fixed sleeve (82), connect spine (83), the one end of spliced pole (81) and the one end fixed connection of supporting legs (12), the one end of spliced pole (81) is provided with fixed sleeve (82), the one end of fixed sleeve (82) and the one end fixed connection of spliced pole (81), the inside of fixed sleeve (82) is provided with connects spine (83), connect the internal surface swing joint of the surface of spine (83) and fixed sleeve (82).
4. An air preheating device for a boiler as set forth in claim 1, wherein: the inside of the heating pipe (15) is connected with a guide plate (16), and the guide plate (16) is fixedly connected with the heating pipe (15).
5. An air preheating device for a boiler as set forth in claim 1, wherein: the upper end of the supporting leg (12) is fixedly connected with the lower end of the preheating device main body (1), the upper end of the drain pipe (10) is fixedly connected with the lower end of the preheating device main body (1), and the upper end of the fixed cover (17) is movably connected with the lower end of the drain pipe (10).
6. An air preheating device for a boiler as set forth in claim 1, wherein: the lower extreme of intake pipe (2) and the upper end fixed connection of preheating device main part (1), the lower extreme of adapter sleeve (3) and the upper end swing joint of intake pipe (2), filter screen (14) and adapter sleeve (3) fixed connection.
7. An air preheating device for a boiler as set forth in claim 1, wherein: the lower extreme of connecting pipe (13) and the upper end swing joint of adapter sleeve (3), the lower extreme of outlet duct (4) and the upper end fixed connection of preheating device main part (1), the one end of a ring flange (5) and the one end fixed connection of preheating device main part (1).
8. An air preheating device for a boiler as set forth in claim 1, wherein: the one end of No. two ring flanges (6) and the one end fixed connection of a ring flange (5), set screw (9) and No. two ring flanges (6) fixed connection, the one end of controller (11) and the one end fixed connection of set screw (9), heating pipe (15) and preheating device main part (1) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922440244.2U CN211651320U (en) | 2019-12-30 | 2019-12-30 | Air preheating device for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922440244.2U CN211651320U (en) | 2019-12-30 | 2019-12-30 | Air preheating device for boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211651320U true CN211651320U (en) | 2020-10-09 |
Family
ID=72701068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922440244.2U Active CN211651320U (en) | 2019-12-30 | 2019-12-30 | Air preheating device for boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211651320U (en) |
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2019
- 2019-12-30 CN CN201922440244.2U patent/CN211651320U/en active Active
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