CN215810429U - Flexible sealing device of rotary air preheater - Google Patents
Flexible sealing device of rotary air preheater Download PDFInfo
- Publication number
- CN215810429U CN215810429U CN202122139069.0U CN202122139069U CN215810429U CN 215810429 U CN215810429 U CN 215810429U CN 202122139069 U CN202122139069 U CN 202122139069U CN 215810429 U CN215810429 U CN 215810429U
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- Prior art keywords
- wall
- sealing
- spring
- machine body
- air preheater
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- 238000007789 sealing Methods 0.000 title claims abstract description 117
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000428 dust Substances 0.000 description 9
- 238000001914 filtration Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009194 climbing Effects 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
- 238000005303 weighing Methods 0.000 description 1
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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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- Sealing Devices (AREA)
Abstract
The utility model discloses a flexible sealing device of a rotary air preheater, which comprises a machine body, a cleaning mechanism and a sealing mechanism, wherein a first air outlet pipe is arranged on the outer wall of the machine body, the cleaning mechanism is arranged on the outer wall of the first air outlet pipe in a penetrating manner, a rotor is arranged on the inner wall of the machine body through a bearing, the sealing mechanism is arranged at the top of the rotor, and a pressure rod is arranged at the top of the sealing mechanism through a bearing. The sealing mechanism is provided with the sealing wheel, the sealing brush and the moving rod, so that the multi-layer sealing effect is realized, the sealing mechanism rotates to enable the pressing rod to move, the pressing rod moves to drive the first spring to move, the first spring moves to realize first-layer sealing, the sealing mechanism rotates to drive the sealing wheel to move, the sealing wheel moves to drive the moving rod to move, the moving rod moves to drive the second spring to move, the second spring moves to realize second-layer sealing, the second spring moves to drive the sealing brush to move, the sealing brush moves to realize third-layer sealing, and the multi-layer sealing and the function of reducing power consumption are realized.
Description
Technical Field
The utility model relates to the technical field of flexible sealing of air preheaters, in particular to a flexible sealing device of a rotary air preheater.
Background
The problem of big air leakage rate of the existing rotary air preheater generally exists, the air leakage rate is about 15% according to statistics, the problems of increase of service power consumption, high exhaust gas temperature and the like are caused, the heat efficiency of a boiler is reduced, the existing air preheater mostly adopts hard sealing of a fixed sealing sheet type, the sealing gap meets the requirement in a cold state, when the air preheater is in a hot state, the gap between a rotor and a sector plate and a sealing surface is enlarged due to thermal expansion, energy loss is correspondingly caused, the air leakage rate of the air preheater and the power consumption of a fan are increased, dust cannot be cleaned in time, and the phenomena of untight sealing and air leakage of the air preheater can also be caused.
The prior air preheater flexible sealing device has the following defects:
1. the comparison document CN206617968U discloses a flexible rolling contact type air preheater sealing device, and the right item of protection "includes a sealing roller, a sealing roller positioning tube, a sealing roller positioning pin, a rotating seal plate, a rotating support tube, a rotating pin, a fixed support plate and an elastic component, the fixed support plate is fixedly connected with one end of the rotating pin, the rotating support tube is sleeved outside the other end of the rotating pin, the rotating seal plate is fixed on the rotating support tube, one end of the sealing roller positioning tube is fixed at the top of the rotating seal plate, the sealing roller is sleeved outside the other end of the sealing roller positioning tube and provided with the sealing roller positioning pin at the end, and the two ends of the elastic component are respectively fixed on the rotating seal plate and the fixed support plate. The sealing device for the flexible rolling contact type air preheater provided by the utility model has the advantages of simple and reasonable structure, good sealing performance and small leakage amount, and is beneficial to saving energy and reducing the operation cost. ", but; the structure is not perfect enough, corresponding replacement is not available after the roller fails, and time is not provided for rush repair of workers when the roller fails;
2. the existing flexible sealing device of the air preheater is not provided with a corresponding cleaning and sealing mechanism, dust cannot be cleaned in time, the phenomena of untight sealing and air leakage of the air preheater can be caused, and power consumption is increased.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a flexible sealing device for a rotary air preheater, which solves the problems of the sealing mechanism and the cleaning mechanism in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: a flexible sealing device of a rotary air preheater comprises a machine body, a cleaning mechanism and a sealing mechanism, wherein a first air outlet pipe is mounted on the outer wall of the machine body, the cleaning mechanism is mounted on the outer wall of the first air outlet pipe in a penetrating mode, a rotor is mounted on the inner wall of the machine body through a bearing, and the sealing mechanism is mounted at the top of the rotor;
the sealing device comprises a sealing mechanism, a sleeve, a movable rod, a sealing wheel and a sealing brush, wherein the top of the sealing mechanism is provided with a pressure rod through a bearing, the top of the sealing mechanism is provided with a first spring, the first spring is positioned below the pressure rod, the outer wall of the sealing mechanism is provided with the sleeve, the inner wall of the sleeve is provided with a second spring, one end of the second spring is provided with the movable rod, one end of the movable rod penetrates through one end of the sleeve, one end of the movable rod is provided with the sealing wheel, and the outer wall of the movable rod is provided with the sealing brush;
a first air inlet pipe is installed on the outer wall of the machine body, a ladder stand is installed on the outer wall of the machine body, and the ladder stand is located on one side of the first air inlet pipe.
Preferably, control button is installed to the outer wall of first play tuber pipe, and the ultrasonic ware is installed to the inner wall of organism, and the coil is installed to the inner wall of clean mechanism, and the outer wall of clean mechanism is equipped with the notch, and first filter screen is installed to the inner wall of clean mechanism, and the second filter screen is located one side of first filter screen, and the inner wall of first play tuber pipe is equipped with the opening, and the third spring is installed to the open-ended inner wall, and the iron plate is installed to the one end of third spring.
Preferably, the outer wall of the machine body is provided with a display screen.
Preferably, the inner wall of rotor runs through and installs the pivot, and pivot one end runs through and installs the bearing, and the one end of pivot extends to the top of organism, and the sector plate is installed to the outer wall of bearing, and first gear is installed to the outer wall of pivot, and the motor is installed to the inner wall of organism, and the second gear is installed to the output of motor, and the second gear passes through drive belt and first gear engagement.
Preferably, a second air inlet pipe is installed at the top of the machine body.
Preferably, a second air outlet pipe is installed at the top of the machine body.
Preferably, a support ladder is installed at the top of the machine body.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the sealing wheel, the sealing brush and the moving rod are installed, so that the multi-layer sealing effect is realized, the rotor rotates to drive the sealing mechanism to rotate, the sealing mechanism rotates to drive the pressing rod to move, the pressing rod moves to drive the first spring to move, the first spring moves to realize first-layer sealing, the sealing mechanism rotates to drive the sealing wheel to move, the sealing wheel moves to drive the moving rod to move, the moving rod moves to drive the second spring to move, the second spring moves to realize second-layer sealing, the second spring moves to drive the sealing brush to move, the sealing brush moves to realize third-layer sealing, and the multi-layer sealing and the function of reducing power consumption are realized;
2. the cleaning device is provided with the ultrasonic device, the coil and the first filter screen, so that the cleaning effect is realized, the ultrasonic device vibrates to enable dust of the rotor and the sealing mechanism to shake off, the dust falls to the first filter screen through the air duct after shaking off to be filtered, the first filter screen enters the second filter screen after filtering is finished, the dust is discharged after secondary filtering to be cleaned, the coil is demagnetized by pressing the control button, the coil is demagnetized to enable the iron block to move, the iron block moves to drive the third spring to move, and the third spring moves to enable the cleaning mechanism to be taken out to be cleaned, so that the cleaning of the device is realized, and the function of preventing air leakage due to dust is ensured.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of a rotor section of the present invention;
FIG. 4 is a schematic view of a portion of the cleaning mechanism of the present invention;
fig. 5 is a partial structural schematic diagram of the sealing mechanism of the present invention.
In the figure: 1. a body; 101. a display screen; 2. a cleaning mechanism; 201. a control button; 202. a coil; 203. a second filter screen; 204. a first filter screen; 205. a third spring; 206. an iron block; 207. an ultrasonic device; 3. a sealing mechanism; 301. a pressure lever; 302. a seal wheel; 303. a sealing brush; 304. a travel bar; 305. a first spring; 306. a second spring; 4. a rotor; 401. a first gear; 402. a sector plate; 403. a motor; 404. a second gear; 405. a rotating shaft; 5. a first air outlet pipe; 501. a second air inlet pipe; 6. a first air inlet pipe; 601. a second air outlet pipe; 7. climbing a ladder; 701. a support ladder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1: referring to fig. 1, 2, 3, 4 and 5, a flexible sealing device for a rotary air preheater comprises a machine body 1, a cleaning mechanism 2 and a sealing mechanism 3, wherein the machine body 1 is used for supporting the operation of the device, the cleaning mechanism 2 is used for cleaning the sealing mechanism 3 and a rotor 4, the sealing mechanism 3 is used for providing conditions for sealing a sector plate 402, a first air outlet pipe 5 is installed on the outer wall of the machine body 1, the first air outlet pipe 5 is used for discharging cooled hot air, the cleaning mechanism 2 is installed on the outer wall of the first air outlet pipe 5 in a penetrating manner, the rotor 4 is installed on the inner wall of the machine body 1 through a bearing, the rotor 4 is used for providing a place for temperature exchange, the sealing mechanism 3 is installed on the top of the rotor 4, a first air inlet pipe 6 is installed on the outer wall of the machine body 1, the first air inlet pipe 6 is used for allowing cold air to enter to cool the rotor 4, the outer wall of the machine body 1 is provided with the ladder stand 7, the ladder stand 7 is positioned on one side of the first air inlet pipe 6, the function of the ladder stand 7 is convenient for workers to maintain, the outer wall of the machine body 1 is provided with the display screen 101, the function of the display screen 101 is the operation state of the display device, the inner wall of the rotor 4 is provided with the rotating shaft 405 in a penetrating way, the rotating shaft 405 is used for providing conditions for the rotation of the rotor 4, one end of the rotating shaft 405 is provided with the bearing in a penetrating way, one end of the rotating shaft 405 extends to the top of the machine body 1, the bearing is used for providing a place for the rotation of the rotating shaft 405, the outer wall of the bearing is provided with the sector plate 402, the sector plate 402 is used for providing a subarea for the rotor 4, the outer wall of the rotating shaft 405 is provided with the first gear 401, the inner wall of the machine body 1 is provided with the motor 403, the output end of the motor 403 is provided with the second gear 404, the second gear 404 is meshed with the first gear 401 through a transmission belt, the motor 403 rotates to drive the second gear 404 to rotate, second gear 404 rotates and drives first gear 401 through the drive belt and rotates, first gear 401 rotates and drives pivot 405 and remove, pivot 405 removes and drives rotor 4 and rotates, rotor 4 rotates the conversion that realizes the air, second air-supply line 501 is installed at the top of organism 1, second air-supply line 501's effect is the transport hot-blast, second play tuber pipe 601 is installed at the top of organism 1, the effect that the second goes out tuber pipe 601 is the gas after the output heat absorption, support ladder 701 is installed at the top of organism 1, the effect of support ladder 701 is the area of weighing of increase device.
Example 2: referring to fig. 2 and 5, a press rod 301 is installed on the top of the sealing mechanism 3 through a bearing, a first spring 305 is installed on the top of the sealing mechanism 3, the first spring 305 is located below the press rod 301, a sleeve is installed on the outer wall of the sealing mechanism 3, a second spring 306 is installed on the inner wall of the sleeve, a moving rod 304 is installed at one end of the second spring 306, one end of the moving rod 304 penetrates through one end of the sleeve, a sealing wheel 302 is installed at one end of the moving rod 304, a sealing brush 303 is installed on the outer wall of the moving rod 304, the rotor 4 rotates to drive the sealing mechanism 3 to rotate, the press rod 301 is driven by the rotation of the sealing mechanism 3, the first spring 305 is driven by the movement of the press rod 301, the first spring 305 moves to realize first-layer sealing, the sealing mechanism 3 rotates to drive the sealing wheel 302 to move, the sealing wheel 302 moves to drive the moving rod 304 to move, the moving rod 304 moves to drive the second spring 306 to move, the second spring 306 moves to realize second-layer sealing, the second spring 306 moves to drive the sealing brush 303 to move, and the sealing brush 303 moves to realize third-layer sealing.
Example 3: referring to fig. 1, 2 and 4, a control button 201 is installed on the outer wall of the first air outlet pipe 5, an ultrasonic device 207 is installed on the inner wall of the machine body 1, a coil 202 is installed on the inner wall of the cleaning mechanism 2, a notch is formed on the outer wall of the cleaning mechanism 2, a first filter screen 204 is installed on the inner wall of the cleaning mechanism 2, a second filter screen 203 is installed on the inner wall of the cleaning mechanism 2, the second filter screen 203 is located on one side of the first filter screen 204, an opening is formed on the inner wall of the first air outlet pipe 5, a third spring 205 is installed on the inner wall of the opening, an iron block 206 is installed at one end of the third spring 205, the ultrasonic device 207 vibrates to shake off dust of the rotor 4 and the sealing mechanism 3, the dust falls off to the first filter screen 204 through an air duct after shaking, the first filter screen 204 enters the second filter screen 203 for secondary filtration, the cleaning is finished after the secondary filtration, the coil 202 is demagnetized by pressing the control button 201, the coil 202 is demagnetized to move the iron block 206, the iron block 206 moves to drive the third spring 205 to move, and the third spring 205 moves to enable the cleaning mechanism 2 to be taken out for cleaning.
The working principle is that the machine body 1 is used for supporting the operation of the device, the cleaning mechanism 2 is used for cleaning the sealing mechanism 3 and the rotor 4, the sealing mechanism 3 is used for providing conditions for sealing the sector plate 402, the motor 403 rotates to drive the second gear 404 to rotate, the second gear 404 rotates to drive the first gear 401 to rotate through the transmission belt, the first gear 401 rotates to drive the rotating shaft 405 to move, the rotating shaft 405 moves to drive the rotor 4 to rotate, the rotor 4 rotates to realize air conversion, the rotor 4 rotates to drive the sealing mechanism 3 to rotate, the sealing mechanism 3 rotates to drive the pressure lever 301 to move, the pressure lever 301 moves to drive the first spring 305 to move, the first spring 305 moves to realize first-layer sealing, the sealing mechanism 3 rotates to drive the sealing wheel 302 to move, the sealing wheel 302 moves to drive the moving rod 304 to move, the moving rod 304 moves to drive the second spring 306 to move, and the second spring 306 moves to realize second-layer sealing, second spring 306 removes to drive sealing brush 303 and removes, sealing brush 303 removes to realize the third layer and seals, ultrasonic wave ware 207 vibrates the dust that makes rotor 4 and sealing mechanism 3 and shakes, fall first filter screen 204 through the wind channel after the shake and filter, first filter screen 204 filters and accomplishes entering into second filter screen 203 and carry out the secondary filter, it is clean to discharge to accomplish after the secondary filter, press control button 201 coil 202 and demagnetize, coil 202 demagnetize makes iron plate 206 remove, iron plate 206 removes and drives third spring 205 and remove, third spring 205 removes and makes clean mechanism 2 can take out and wash.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a flexible sealing device of convolution air heater, includes organism (1), clean mechanism (2) and sealing mechanism (3), its characterized in that: a first air outlet pipe (5) is mounted on the outer wall of the machine body (1), a cleaning mechanism (2) is mounted on the outer wall of the first air outlet pipe (5) in a penetrating mode, a rotor (4) is mounted on the inner wall of the machine body (1) through a bearing, and a sealing mechanism (3) is mounted on the top of the rotor (4);
the sealing device is characterized in that a pressure lever (301) is mounted at the top of the sealing mechanism (3) through a bearing, a first spring (305) is mounted at the top of the sealing mechanism (3), the first spring (305) is located below the pressure lever (301), a sleeve is mounted on the outer wall of the sealing mechanism (3), a second spring (306) is mounted on the inner wall of the sleeve, a moving rod (304) is mounted at one end of the second spring (306), one end of the moving rod (304) penetrates through one end of the sleeve, a sealing wheel (302) is mounted at one end of the moving rod (304), and a sealing brush (303) is mounted on the outer wall of the moving rod (304);
a first air inlet pipe (6) is installed on the outer wall of the machine body (1), a ladder stand (7) is installed on the outer wall of the machine body (1), and the ladder stand (7) is located on one side of the first air inlet pipe (6).
2. A rotary air preheater flexible seal assembly as recited in claim 1, wherein: control button (201) are installed to the outer wall of first tuber pipe (5), ultrasonic wave ware (207) are installed to the inner wall of organism (1), coil (202) are installed to the inner wall of clean mechanism (2), the outer wall of clean mechanism (2) is equipped with the notch, first filter screen (204) are installed to the inner wall of clean mechanism (2), second filter screen (203) are installed to the inner wall of clean mechanism (2), and second filter screen (203) are located one side of first filter screen (204), the inner wall of first tuber pipe (5) is equipped with the opening, third spring (205) are installed to the open-ended inner wall, iron plate (206) are installed to the one end of third spring (205).
3. A rotary air preheater flexible seal assembly as recited in claim 1, wherein: the outer wall of the machine body (1) is provided with a display screen (101).
4. A rotary air preheater flexible seal assembly as recited in claim 1, wherein: the inner wall of rotor (4) runs through and installs pivot (405), pivot (405) one end runs through and installs the bearing, and the one end of pivot (405) extends to the top of organism (1), sector plate (402) are installed to the outer wall of bearing, first gear (401) are installed to the outer wall of pivot (405), motor (403) are installed to the inner wall of organism (1), second gear (404) are installed to the output of motor (403), and second gear (404) pass through drive belt and first gear (401) meshing.
5. A rotary air preheater flexible seal assembly as recited in claim 1, wherein: and a second air inlet pipe (501) is arranged at the top of the machine body (1).
6. A rotary air preheater flexible seal assembly as recited in claim 1, wherein: and a second air outlet pipe (601) is arranged at the top of the machine body (1).
7. A rotary air preheater flexible seal assembly as recited in claim 1, wherein: the top of the machine body (1) is provided with a support ladder (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122139069.0U CN215810429U (en) | 2021-09-06 | 2021-09-06 | Flexible sealing device of rotary air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122139069.0U CN215810429U (en) | 2021-09-06 | 2021-09-06 | Flexible sealing device of rotary air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215810429U true CN215810429U (en) | 2022-02-11 |
Family
ID=80156565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122139069.0U Expired - Fee Related CN215810429U (en) | 2021-09-06 | 2021-09-06 | Flexible sealing device of rotary air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215810429U (en) |
-
2021
- 2021-09-06 CN CN202122139069.0U patent/CN215810429U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |