CN220567288U - Prevent effectual air heater of blocking up - Google Patents
Prevent effectual air heater of blocking up Download PDFInfo
- Publication number
- CN220567288U CN220567288U CN202322288532.7U CN202322288532U CN220567288U CN 220567288 U CN220567288 U CN 220567288U CN 202322288532 U CN202322288532 U CN 202322288532U CN 220567288 U CN220567288 U CN 220567288U
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- China
- Prior art keywords
- fixed
- preheater
- threaded rod
- dust
- inner cavity
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- 230000000903 blocking effect Effects 0.000 title abstract description 6
- 239000000428 dust Substances 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 11
- 241000208125 Nicotiana Species 0.000 abstract description 13
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 13
- 239000010902 straw Substances 0.000 abstract description 10
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000010405 clearance mechanism Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007790 scraping Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Air Supply (AREA)
Abstract
The utility model relates to an air preheater with good anti-blocking effect, which comprises a preheater body, wherein a plurality of smoke pipes are fixed between the upper side and the lower side of an inner cavity of the preheater body, a cleaning mechanism is arranged on the upper surface of the preheater body, a dust collection mechanism is arranged on the lower surface of the preheater body, the dust collection mechanism comprises a shell fixed on the lower surface of the preheater body, a filter screen is fixed on the inner cavity wall of the shell, the dust collection mechanism further comprises a plurality of first suction pipes fixed on the lower surface of the inner cavity of the preheater body, and two fans and four supporting legs are fixed on the lower surface of the shell. This prevent stifled effectual air heater, through dust absorption mechanism, after the dust is cleared up, the fan is with the inside dust of preheater body through first straw suction to the casing in, the dust keeps apart under the effect of filter screen, and the air passes through the second straw and goes out the tuber pipe and discharges, prevents that the dust from blocking up the tobacco pipe once more, is favorable to the result of use of tobacco pipe.
Description
Technical Field
The utility model relates to the technical field of air preheaters, in particular to an air preheater with good anti-blocking effect.
Background
The air preheater is a heat exchange device for a large power station boiler, and flue gas in a tail flue of a combustion boiler preheats air before entering the boiler to a certain temperature through an internal radiating fin, so that the aim of heating the air is fulfilled, and the air preheater is generally divided into three types of plate type, rotary type and tubular type, wherein the tubular type air preheater is popular in the market due to simple structure, convenient manufacture, installation and maintenance, low price and the like.
For example, chinese patent (publication No. CN 218820460U) discloses an anti-blocking device of an air preheater, which comprises a case, a matrix smoke tube arranged in the case, a first cleaning mechanism arranged in the case and used for cleaning the outer wall of the smoke tube, a second cleaning mechanism arranged on the case and the first cleaning mechanism and used for cleaning the inner wall and the outer wall of the smoke tube, and a driving mechanism used for driving the first cleaning mechanism to move up and down.
Above-mentioned air heater prevents stifled device still has certain not enough, every straight lateral wall of spout all fixed mounting has a row of first arch, correspondingly, be provided with the second arch on the slide bar, when the slide bar moves along straight spout, produce vibrations between first arch and the second arch, and finally transmit fixed column and contact ball through rectangular frame, the connecting rod, the cross bar, the arc, contact ball and tobacco pipe outer wall contact, but the dust under the vibrations can pile up in the inside of containment, can not clean up the dust, at the in-process of admitting air, the dust still can be at the inside activity of containment, even attach at the surface of tobacco pipe again, make the tobacco pipe jam, therefore, propose an prevent stifled effectual air heater in order to solve above-mentioned problem.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the air preheater with good anti-blocking effect, which has the advantages of good anti-blocking effect and the like, and solves the problem of poor anti-blocking effect of the anti-blocking device of the existing air preheater.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an air preheater with good anti-blocking effect comprises a preheater body, wherein a plurality of smoke pipes are fixed between the upper side and the lower side of an inner cavity of the preheater body, a cleaning mechanism is arranged on the upper surface of the preheater body, and a dust collection mechanism is arranged on the lower surface of the preheater body;
the dust collection mechanism comprises a shell fixed on the lower surface of the preheater body, a filter screen is fixed on the wall of the inner cavity of the shell, the dust collection mechanism further comprises a plurality of first suction pipes fixed on the lower surface of the inner cavity of the preheater body, two fans and four supporting legs are fixed on the lower surface of the shell, a second suction pipe is fixed at the input end of each fan, and an air outlet pipe is fixed at the output end of each fan.
Further, the second straw is L-shaped, and the upper surface of the second straw is fixed on the lower surface of the shell.
Further, two one sides of the air outlet pipes, which are opposite to each other, are both fixed with dust screens, and the shell is a cuboid with a hollow inside and a missing upper end.
Further, square holes are formed in the right side of the shell, and hinge doors are hinged to the inner portions of the square holes.
Further, clearance mechanism is including being fixed in the storehouse body of preheater body upper surface, the upper surface fixed with the motor of storehouse body inner chamber, the output shaft of motor is fixed with first threaded rod, the upper surface of storehouse body inner chamber is connected with the second threaded rod through the bearing frame rotation, the surface of first threaded rod and second threaded rod is equipped with drive assembly, the equal threaded connection of surface of first threaded rod and second threaded rod has the movable block, two be fixed with the clearance board between the movable block.
Further, the transmission assembly comprises a first sprocket fixed on the outer surface of the first threaded rod and a second sprocket fixed on the outer surface of the second threaded rod, and the outer surfaces of the first sprocket and the second sprocket are in transmission connection with a chain.
Further, two sides that the movable block is on the back of each other are all fixed with the slider, the spout has all been seted up to the left and right sides of preheater body inner chamber, slider sliding connection is in the inside of spout.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this prevent stifled effectual air heater, through dust absorption mechanism, after the dust is cleared up, the fan is with the inside dust of preheater body through first straw suction to the casing in, the dust keeps apart under the effect of filter screen, and the air passes through the second straw and goes out the tuber pipe and discharges, prevents that the dust from blocking up the tobacco pipe once more, is favorable to the result of use of tobacco pipe.
2. This prevent effectual air heater prevents blocking up, through clearance mechanism, the motor drives first threaded rod rotation, and first threaded rod passes through drive assembly and drives the rotation of second threaded rod, and first threaded rod and second threaded rod drive movable block and clearance board and remove together, scrape down the dust of tobacco pipe surface, prevent that the tobacco pipe from blockking up.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a dust-absorbing mechanism according to the present utility model;
FIG. 3 is a schematic view of a cleaning mechanism according to the present utility model;
fig. 4 is a schematic top view of the cleaning plate of the present utility model.
In the figure: 1 preheater body, 2 tobacco pipes, 3 clearance mechanism, 301 motor, 302 first threaded rod, 303 second threaded rod, 304 drive assembly, 305 movable block, 306 clearance board, 307 storehouse body, 4 dust absorption mechanism, 401 first straw, 402 casing, 403 filter screen, 404 landing leg, 405 second straw, 406 fan, 407 play tuber pipe.
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, an air preheater with good anti-blocking effect in this embodiment includes a preheater body 1, an air inlet pipe is fixed on the front surface of the preheater body 1, an exhaust pipe is fixed on the back surface of the preheater body 1, a plurality of smoke pipes 2 are fixed between the upper side and the lower side of the inner cavity of the preheater body 1 for heating air, a cleaning mechanism 3 is arranged on the upper surface of the preheater body 1 for cleaning the smoke pipes 2, a dust suction mechanism 4 is arranged on the lower surface of the preheater body 1 for absorbing cleaned dust and preventing the dust from blocking the smoke pipes 2 again.
It should be noted that, the preheater body 1 is a device for heating air in the prior art, and the working principle thereof will not be described in detail herein.
Referring to fig. 2, in order to absorb dust, the dust collection mechanism 4 in this embodiment includes a housing 402 fixed on the lower surface of the preheater body 1, the housing 402 is a cuboid with a hollow interior and a missing upper end, for collecting dust, a filter screen 403 is fixed on the inner cavity wall of the housing 402, the dust collection mechanism 4 further includes a plurality of first suction pipes 401 fixed on the lower surface of the inner cavity of the preheater body 1, for sucking cleaned dust into the housing 402, two fans 406 and four supporting legs 404 are fixed on the lower surface of the housing 402, the supporting legs 404 play a supporting role, dust is left in the housing 402 through the filter screen 403, a second suction pipe 405 is fixed on the input end of the fans 406, and an air outlet pipe 407 is fixed on the output end of the fans 406, for discharging the redundant air.
Wherein, second straw 405 is L shape, and the upper surface of second straw 405 is fixed in the lower surface of casing 402 for absorb the air in the casing 402, two air-out pipes 407 all are fixed with the dust screen on one side that is on the back, prevent that the dust from entering into fan 406, square hole has been seted up on the right side of casing 402, and the inside in square hole articulates there is the hinge door, conveniently clears up the outside with the dust in the casing 402.
In the dust collection mechanism 4 in the embodiment, after the dust is cleaned, the fan 406 sucks the dust in the preheater body 1 into the housing 402 through the first suction pipe 401, the dust is isolated under the action of the filter screen 403, and the air is discharged through the second suction pipe 405 and the air outlet pipe 407.
Referring to fig. 3-4, in order to clean dust on the smoke tube 2, the cleaning mechanism 3 in this embodiment includes a bin body 307 fixed on the upper surface of the preheater body 1, a motor 301 is fixed on the upper surface of an inner cavity of the bin body 307, a first threaded rod 302 is fixed on an output shaft of the motor 301, a second threaded rod 303 is rotatably connected to the upper surface of the inner cavity of the bin body 307 through a bearing seat, a transmission assembly 304 is arranged on the outer surfaces of the first threaded rod 302 and the second threaded rod 303, the first threaded rod 302 drives the second threaded rod 303 to rotate through the transmission assembly 304, moving blocks 305 are connected to the outer surfaces of the first threaded rod 302 and the second threaded rod 303 in a threaded manner, a cleaning plate 306 is fixed between the two moving blocks 305, and the two moving blocks 305 and the cleaning plate 306 are driven to move together through the rotation of the first threaded rod 302 and the second threaded rod 303.
The transmission assembly 304 includes a first sprocket fixed on the outer surface of the first threaded rod 302 and a second sprocket fixed on the outer surface of the second threaded rod 303, the outer surfaces of the first sprocket and the second sprocket are in transmission connection with a chain, and the first threaded rod 302 drives the second threaded rod 303 to rotate through the transmission assembly 304.
In addition, the two moving blocks 305 are fixed with sliding blocks on opposite sides, sliding grooves are formed in the left side and the right side of the inner cavity of the preheater body 1, the sliding blocks are connected to the inner portions of the sliding grooves in a sliding mode, and stability of the moving blocks 305 during moving is improved.
Also, a plurality of through holes are formed in the upper surface of the cleaning plate 306, and an annular scraping plate is fixed in the through holes for scraping dust on the outer surface of the smoke tube 2.
In the cleaning mechanism 3 in this embodiment, the motor 301 drives the first threaded rod 302 to rotate, the first threaded rod 302 drives the second threaded rod 303 to rotate through the transmission component 304, and the first threaded rod 302 and the second threaded rod 303 drive the moving block 305 and the cleaning plate 306 to move together to scrape dust on the outer surface of the smoke tube 2.
The working principle of the embodiment is as follows:
(1) When the dust is cleaned, the fan 406 sucks the dust in the preheater body 1 into the housing 402 through the first suction pipe 401, the dust entering the housing 402 is isolated under the action of the filter screen 403, and the rest of the air is sucked by the fan 406 through the second suction pipe 405 and sent to the air outlet pipe 407 through the second suction pipe 405, and the air in the air outlet pipe 407 is finally discharged.
(2) When needs are cleared up tobacco pipe 2, open motor 301, motor 301 drives first threaded rod 302 rotation, can drive first sprocket and rotate together when first threaded rod 302 rotates, first sprocket passes through the chain and drives second sprocket and rotate together with second threaded rod 303, through first threaded rod 302 and second threaded rod 303 together rotate, drive movable block 305 and clearance board 306 and remove together, movable block 305 can drive the slider and slide in the inside of spout, stability when increasing movable block 305 and remove, clearance board 306 is removed, can slide at the surface of tobacco pipe 2, scrape the dust of tobacco pipe 2 surface.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
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 (7)
1. The utility model provides an prevent effectual air heater of jam, includes pre-heater body (1), its characterized in that: a plurality of smoke pipes (2) are fixed between the upper side and the lower side of the inner cavity of the preheater body (1), a cleaning mechanism (3) is arranged on the upper surface of the preheater body (1), and a dust collection mechanism (4) is arranged on the lower surface of the preheater body (1);
the dust absorption mechanism (4) comprises a shell (402) fixed on the lower surface of the preheater body (1), a filter screen (403) is fixed on the inner cavity wall of the shell (402), the dust absorption mechanism (4) further comprises a plurality of first suction pipes (401) fixed on the lower surface of the inner cavity of the preheater body (1), two fans (406) and four supporting legs (404) are fixed on the lower surface of the shell (402), a second suction pipe (405) is fixed at the input end of each fan (406), and an air outlet pipe (407) is fixed at the output end of each fan (406).
2. An air preheater with good anti-blocking effect according to claim 1, wherein: the second suction pipe (405) is L-shaped, and the upper surface of the second suction pipe (405) is fixed on the lower surface of the shell (402).
3. An air preheater with good anti-blocking effect according to claim 1, wherein: the dustproof nets are fixed on one sides of the two air outlet pipes (407) which are opposite to each other, and the shell (402) is a cuboid with a hollow inside and a missing upper end.
4. An air preheater with good anti-blocking effect according to claim 1, wherein: square holes are formed in the right side of the shell (402), and hinge doors are hinged to the inside of the square holes.
5. An air preheater with good anti-blocking effect according to claim 1, wherein: the cleaning mechanism (3) comprises a bin body (307) fixed on the upper surface of the preheater body (1), a motor (301) is fixed on the upper surface of an inner cavity of the bin body (307), a first threaded rod (302) is fixed on an output shaft of the motor (301), a second threaded rod (303) is connected to the upper surface of the inner cavity of the bin body (307) through bearing seat rotation, a transmission assembly (304) is arranged on the outer surfaces of the first threaded rod (302) and the second threaded rod (303), moving blocks (305) are connected to the outer surfaces of the first threaded rod (302) and the second threaded rod (303) in a threaded mode, and a cleaning plate (306) is fixed between the two moving blocks (305).
6. The air preheater with good anti-blocking effect according to claim 5, wherein: the transmission assembly (304) comprises a first sprocket fixed on the outer surface of the first threaded rod (302) and a second sprocket fixed on the outer surface of the second threaded rod (303), and the outer surfaces of the first sprocket and the second sprocket are in transmission connection with a chain.
7. The air preheater with good anti-blocking effect according to claim 5, wherein: the two moving blocks (305) are fixed with sliding blocks on one side opposite to each other, sliding grooves are formed in the left side and the right side of the inner cavity of the preheater body (1), and the sliding blocks are connected inside the sliding grooves in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322288532.7U CN220567288U (en) | 2023-08-25 | 2023-08-25 | Prevent effectual air heater of blocking up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322288532.7U CN220567288U (en) | 2023-08-25 | 2023-08-25 | Prevent effectual air heater of blocking up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220567288U true CN220567288U (en) | 2024-03-08 |
Family
ID=90101100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322288532.7U Active CN220567288U (en) | 2023-08-25 | 2023-08-25 | Prevent effectual air heater of blocking up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220567288U (en) |
-
2023
- 2023-08-25 CN CN202322288532.7U patent/CN220567288U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |