CN218672257U - Air heater deashing broach and ash removal device thereof - Google Patents
Air heater deashing broach and ash removal device thereof Download PDFInfo
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- CN218672257U CN218672257U CN202223209479.9U CN202223209479U CN218672257U CN 218672257 U CN218672257 U CN 218672257U CN 202223209479 U CN202223209479 U CN 202223209479U CN 218672257 U CN218672257 U CN 218672257U
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- comb
- air preheater
- deashing
- ash removal
- rack
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model belongs to the technical field of the ash removal device, concretely relates to air heater deashing broach and ash removal device thereof, including connecting block, first comb strip and second comb strip, the both ends of first comb strip and second comb strip are connected through the connection piece respectively, the shape of connection piece is the V style of calligraphy, connecting block and the connection piece fixed connection who is located the upper end. The both ends of first comb strip and second comb strip are connected through the connection piece respectively, can be in order to form the structure of returning the style of calligraphy, guarantee can with the better laminating of pipeline, the shape of connection piece is the V style of calligraphy moreover, has certain deflection, further guarantees with the laminating of pipeline, simultaneously, when meetting hard thing, can prevent to cause the unnecessary damage to the pipeline through warping.
Description
Technical Field
The utility model belongs to the technical field of the ash removal device, concretely relates to air heater deashing broach and ash removal device thereof.
Background
The function of the air preheater is as follows: 1. the combustion is improved and strengthened, the air after passing through the waste heat device enters the boiler, the drying, firing and combustion processes of the fuel are accelerated, the stable combustion in the boiler is ensured, and the combustion efficiency is improved. 2. The heat transfer is enhanced, because the combustion in the furnace is improved and enhanced, and the temperature of the hot air entering the furnace is increased, the average temperature level in the furnace is also increased, thereby enhancing the radiation heat transfer in the furnace. 3. The loss in the boiler is reduced, the exhaust gas temperature is reduced, and the thermal efficiency of the boiler is improved. Because the combustion in the furnace is stable, the radiation heat exchange is strengthened, and the chemical incomplete combustion loss can be reduced; on the other hand, the air preheater utilizes the waste heat of the flue gas, thereby further reducing the loss of smoke discharge and improving the thermal efficiency of the boiler.
However, the existing air preheater needs to perform ash removal operation, and patent application number 202221908940.7 discloses a sawtooth type comb tooth ash removal device which adopts a movable comb tooth plate to remove ash from an internal pipeline of the air preheater. But this fishback is platelike structure, and its only upper end position is fixed, and the lower extreme is unrestricted, and then leads to long-term operation back fishback lower extreme and pipeline laminating effect variation, and then leads to lower extreme clearance effect to reduce.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problems, an aspect of the present invention is to provide an ash removal comb for an air preheater, the lower portion of which can be better attached to a pipeline; another object of the utility model is to provide a dust cleaning device who contains above-mentioned deashing broach.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the utility model provides an air heater deashing broach, includes connecting block, first rack and second rack, the both ends of first rack and second rack are connected through the connection piece respectively, the shape of connection piece is the V style of calligraphy, connecting block and the connection piece fixed connection that is located the upper end.
The first comb rack, the second comb rack and the connecting piece are arranged in an integrated structure.
The connecting piece is connected with the first comb tooth strip and the second comb tooth strip through bolts.
Teeth are arranged on two sides of the first comb rack and the second comb rack.
The connecting piece that is located the upper end passes through connecting plate and connecting block fixed connection, and the connecting plate passes through bolted connection with the connecting block.
The ash removal device comprises a connecting rod and a plurality of air preheater ash removal comb teeth, wherein connecting blocks in the plurality of air preheater ash removal comb teeth are fixedly connected with the connecting rod; the connecting rod is connected with a driving mechanism, and the driving mechanism drives the connecting rod to move.
The connecting rod is a square rod.
The supporting device is characterized by further comprising a supporting block, wherein a supporting wheel is rotatably connected to the supporting block, and the supporting block is fixedly connected with the connecting rod.
The connecting block is inserted into the connecting rod, corresponding jacks are formed in the connecting block, and connecting bolts are arranged on the connecting block and can abut against the connecting rod.
Compared with the prior art, the utility model, the beneficial effect who has is:
the both ends of first comb strip and second comb strip are connected through the connection piece respectively, can be in order to form the structure of returning the style of calligraphy, guarantee can with the better laminating of pipeline, the shape of connection piece is the V style of calligraphy moreover, has certain deflection, further guarantees with the laminating of pipeline, simultaneously, when meetting hard thing, can prevent to cause the unnecessary damage to the pipeline through warping.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
fig. 4 is a schematic structural diagram of the bolted connection between the connecting piece 13 and the first comb rack 11 and the second comb rack 12;
fig. 5 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 6 is a schematic view of the use state of embodiment 2 of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at C;
wherein: 1, an air preheater ash removal comb tooth, 10, a connecting block, 11, a first comb rack, 12, a second comb rack, 13, 14, a connecting plate and 15 are pressing plates; 2, a dust cleaning device, 20, a connecting rod, 21, a driving mechanism, 22, a supporting block, 23, a supporting wheel, 24, a connecting bolt and 25, wherein the dust cleaning device is a dust cleaning device.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 4, the ash removal comb teeth of the air preheater comprise a connecting block 10, a first comb tooth bar 11 and a second comb tooth bar 12, wherein two ends of the first comb tooth bar 11 and the second comb tooth bar 12 are respectively connected through a connecting sheet 13, and a frame-shaped structure can be formed after connection, i.e. the lower end of the ash removal comb teeth is limited to a certain extent, the swing amplitude of the ash removal comb teeth is reduced, and the ash removal comb teeth are better attached to a pipeline; meanwhile, the connecting sheet 13 is V-shaped and has a certain deformation, so that the connection with the connecting sheet can be further ensured. The connecting piece 13 can be made of a spring or other metal material with elasticity. The connecting block 10 is fixedly connected with a connecting piece 13 positioned at the upper end.
Furthermore, the first comb rack 11, the second comb rack 12 and the connecting piece 13 are arranged in an integrated structure.
Further, the connecting piece 13 is connected with the first comb-teeth strip 11 and the second comb-teeth strip 12 through bolts.
Furthermore, teeth are arranged on two sides of the first comb rack 11 and the second comb rack 12, so that the dust removing operation of the pipeline is facilitated.
Further, a connecting sheet 13 at the upper end is fixedly connected with the connecting block 10 through a connecting plate 14, and the connecting sheet 13 is fixedly connected with the connecting plate 14, and can be connected in a welding mode; the connecting plate 14 is connected with the connecting block 10 through a bolt, and can be directly connected through the bolt, or a corresponding pressing plate 15 can be arranged, through holes are arranged on the pressing plate 15 and the connecting plate 14, a threaded hole is arranged on the connecting block 10, the bolt sequentially penetrates through the pressing plate 15 and the connecting plate 14 to be connected with the connecting block 10, and the connecting plate 14 is pressed through the pressing plate 15; the number of the bolts may be two.
Example 2
As shown in fig. 5 to 7, the ash removing device comprises a connecting rod 20 and a plurality of air preheater ash removing comb teeth, wherein the connecting blocks 10 in the plurality of air preheater ash removing comb teeth are fixedly connected with the connecting rod 20; the connecting rod 20 is connected with a driving mechanism 21, and the connecting rod 20 is driven to move by the driving mechanism 21.
The driving mechanism 21 can adopt a common linear motor, a telescopic cylinder and a gear rack moving mechanism or can adopt a chain wheel and chain driving mechanism 21 adopted in a sawtooth type comb tooth ash cleaning device with the patent application number of 202221908940.7.
Specifically, the method comprises the following steps: taking a linear motor as an example, a guide rod 25 is fixed to a moving part of the linear motor, the guide rod 25 is fixedly connected to the connecting rod 20, and the connecting rod 20 is driven to move by the movement of the moving part.
When the device is used, the driving mechanism 21 drives the connecting rod 20 to reciprocate, and the connecting rod 20 drives the ash removal comb teeth of each air preheater to remove ash from the pipeline inside the air preheater.
Further, above-mentioned connecting rod 20 is square pole, can avoid adopting round rod, and leads to connecting block 10 rather than becoming flexible, and the rotation takes place for the air heater deashing broach.
Further, in order to improve the supporting effect, the support device further comprises a supporting block 22, a supporting wheel 23 is rotatably connected to the supporting block 22, and the supporting block 22 is fixedly connected with the connecting rod 20. The supporting wheel 23 may be supported on a pipeline inside the air preheater, or may be supported on a rack inside the air preheater, and may be specifically adjusted according to actual conditions.
Furthermore, the connection block 10 and the connection rod 20 preferably adopt a plug-in connection mode, and corresponding jacks are formed in the connection block 10; meanwhile, the connecting bolt 24 is arranged on the connecting block 10, the corresponding threaded through hole is formed in the connecting block 10, the connecting bolt 24 is screwed after the connecting bolt is inserted, and the end part of the connecting bolt 24 can be abutted against the connecting rod 20, so that the connecting block 10 is fixed and prevented from moving.
The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.
Claims (9)
1. The utility model provides an air heater deashing broach which characterized in that: including connecting block (10), first comb rack (11) and second comb rack (12), the both ends of first comb rack (11) and second comb rack (12) are connected through connection piece (13) respectively, the shape of connection piece (13) is the V style of calligraphy, connecting block (10) and connection piece (13) fixed connection who is located the upper end.
2. The air preheater deashing broach according to claim 1, characterized by: the first comb rack (11), the second comb rack (12) and the connecting piece (13) are arranged in an integrated structure.
3. The air preheater deashing broach according to claim 1, characterized by: the connecting piece (13) is connected with the first comb rack (11) and the second comb rack (12) through bolts.
4. The air preheater deashing broach according to claim 1, characterized by: teeth are arranged on two sides of the first comb rack (11) and the second comb rack (12).
5. The air preheater deashing broach according to claim 1, characterized by: the connecting piece (13) positioned at the upper end is fixedly connected with the connecting block (10) through a connecting plate (14), and the connecting plate (14) is connected with the connecting block (10) through a bolt.
6. The utility model provides an ash removal device which characterized in that: the air preheater dust removal comb teeth comprise connecting rods (20) and the air preheater dust removal comb teeth as claimed in any one of claims 1 to 5, wherein a plurality of air preheater dust removal comb teeth are arranged, and connecting blocks (10) in the plurality of air preheater dust removal comb teeth are fixedly connected with the connecting rods (20); the connecting rod (20) is connected with a driving mechanism (21), and the driving mechanism (21) drives the connecting rod (20) to move.
7. The ash removal device of claim 6, wherein: the connecting rod (20) is a square rod.
8. The ash removal device of claim 6, wherein: the device is characterized by further comprising a supporting block (22), wherein the supporting block (22) is connected with a supporting wheel (23) in a rotating mode, and the supporting block (22) is fixedly connected with the connecting rod (20).
9. The ash removal device of claim 6, wherein: the connecting block (10) is connected with the connecting rod (20) in an inserting mode, corresponding inserting holes are formed in the connecting block (10), connecting bolts (24) are arranged on the connecting block (10), and the connecting bolts (24) can abut against the connecting rod (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223209479.9U CN218672257U (en) | 2022-12-01 | 2022-12-01 | Air heater deashing broach and ash removal device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223209479.9U CN218672257U (en) | 2022-12-01 | 2022-12-01 | Air heater deashing broach and ash removal device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218672257U true CN218672257U (en) | 2023-03-21 |
Family
ID=85542817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223209479.9U Active CN218672257U (en) | 2022-12-01 | 2022-12-01 | Air heater deashing broach and ash removal device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218672257U (en) |
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2022
- 2022-12-01 CN CN202223209479.9U patent/CN218672257U/en active Active
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