CN210346465U - Ash removal device of flue gas waste heat recoverer - Google Patents
Ash removal device of flue gas waste heat recoverer Download PDFInfo
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- CN210346465U CN210346465U CN201921279104.5U CN201921279104U CN210346465U CN 210346465 U CN210346465 U CN 210346465U CN 201921279104 U CN201921279104 U CN 201921279104U CN 210346465 U CN210346465 U CN 210346465U
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- driving wheel
- flue gas
- ash removal
- heat exchange
- waste heat
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Abstract
The utility model discloses a flue gas waste heat recoverer's ash removal device for fin heat exchange tube to among the flue gas waste heat recoverer carries out the deashing and handles, and it mainly includes actuating mechanism and deashing mechanism, and actuating mechanism drive deashing mechanism reciprocating motion is gone up at the length direction of fin heat exchange tube, and deashing mechanism carries out the deashing through following fumarole blowout compressed air. The deashing device with the structure can efficiently deash the fin heat exchange tube and does not need to stop equipment during deashing.
Description
Technical Field
The utility model relates to an ash removal device technical field, concretely relates to flue gas waste heat recoverer's ash removal device.
Background
For realizing the recovery of heat energy resource and recycling, the flue gas of the higher temperature that produces in production can pass through flue gas waste heat recoverer to retrieve heat energy and supply other production units to reuse, but the flue gas composition is complicated, contain the dust usually, have corrosive granule etc. when the flue gas passes through flue gas waste heat recoverer, the dust granule in the flue gas can be attached to the heat exchange tube of flue gas waste heat recoverer, can lead to the heat exchange efficiency of heat exchange tube to descend under long-term accumulation, even more can corrode the equipment surface, reduce the running life of equipment. Therefore, the heat exchange tubes in the flue gas waste heat recoverer are needed to be subjected to ash removal treatment, the heat exchange tubes commonly used at present are fin heat exchange tubes, the arrangement of pipelines is dense, the intervals of the pipelines are small, the existing ash removal mode is generally manually operated, equipment needs to be stopped to operate when ash removal is carried out, the production efficiency is reduced, meanwhile, the working efficiency of the manual ash removal mode is low, and certain labor cost is also needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above-mentioned defect or the problem that exist among the background art, provide a flue gas waste heat recoverer's ash removal device, can carry out high-efficient deashing to the heat exchange tube automatically, and need not the stop equipment operation during the deashing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a flue gas waste heat recoverer's ash removal device for carry out the ash removal to the fin heat exchange tube in the flue gas waste heat recoverer and handle, include:
the driving mechanism is arranged in the flue gas waste heat recoverer;
the ash removal mechanism is driven by the driving mechanism to reciprocate in the length direction of the fin heat exchange tube;
the ash removal mechanism comprises a gas collecting pipe and a plurality of ash removal pipes communicated with the gas collecting pipe; the gas collecting pipe is provided with an air inlet which is used for accessing compressed air; the ash removal pipe is vertically arranged relative to the length direction of the fin heat exchange pipe, and a plurality of air injection holes are formed in the pipe wall of the ash removal pipe facing the fin heat exchange pipe.
Furthermore, the driving mechanism comprises a driving motor, a first driving wheel, a second driving wheel, a transmission shaft, a first driving wheel, a second driving wheel, a first chain and a second chain;
the first driving wheel is fixedly connected with the second driving wheel through a transmission shaft, the first driving wheel drives the first transmission wheel to rotate through a first chain, and the second driving wheel drives the second transmission wheel to rotate through a second chain;
the output end of the driving motor is connected with the first driving wheel to drive the first driving wheel to rotate;
and two ends of the gas collecting pipe are fixedly connected with the first chain and the second chain respectively.
Further, the device also comprises a fixing rod and a guide track; the fixed rod is fixedly connected with the other end of each ash cleaning pipe, which is opposite to the other end connected with the gas collecting pipe, and a sliding hole is formed in the fixed rod; the guide rail is fixedly arranged in the flue gas waste heat recoverer along the length direction of the fin heat exchange tube and penetrates through a sliding hole in the fixed rod to limit the movement direction of the fixed rod.
Further, the guide tracks are arranged in parallel, the sliding holes are formed in the two ends of the fixing rod respectively, and each guide track penetrates through the corresponding sliding hole.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
1. through the reciprocating motion of deashing mechanism, utilize compressed air to carry out the omnidirectional deashing to the fin heat exchange tube and handle, can carry out the deashing when equipment operation, realize automatic deashing simultaneously, improve deashing efficiency, reduce the cost of labor.
2. The driving mechanism is arranged to realize the reciprocating motion of the ash removing mechanism, and the chain transmission is utilized, so that the structure is simple and reliable.
3. Set up the guide rail, guide the holistic direction of motion of ash removal device, avoid the ash removal pipe to take place to touch with the fin heat exchange tube and lead to damaging.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a flue gas waste heat recoverer provided by the present invention;
FIG. 2 is a side view of a finned heat exchange tube and the ash removal mechanism of FIG. 1;
FIG. 3 is an enlarged view of a portion of the ash removal pipe shown in FIG. 2 at A.
Description of the main reference numerals:
10. a finned heat exchange tube; 21. a gas collecting pipe; 211. an air inlet; 22. a dust removal pipe; 221. a gas injection hole; 31. a drive motor; 32. a first drive wheel; 33. a second drive wheel; 34. a drive shaft; 35. a first drive pulley; 36. a second transmission wheel; 37. a first chain; 38. a second chain; 41. fixing the rod; 411. a slide hole; 42. a guide track.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are preferred embodiments of the invention and should not be considered as excluding other embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.
In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.
In the claims, the specification and the drawings, unless otherwise expressly limited, all directional or positional relationships, such as those using the terms "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," "counterclockwise," and the like, are based on the directional or positional relationships illustrated in the drawings and are for the purpose of convenience in describing the invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the scope of the invention.
In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the term "fixedly connected" or "fixedly connected" is used, which is to be understood broadly, that is, any connection mode without displacement relation or relative rotation relation between the two, that is, including non-detachably fixed connection, integrated connection and fixed connection through other devices or elements.
In the claims, the specification and the drawings, the terms "including", "comprising" and variations thereof, if used, are intended to be inclusive and not limiting.
Referring to fig. 1, fig. 1 shows a structural schematic diagram of an embodiment of a flue gas waste heat recoverer, it is used for carrying out the deashing to the fin heat exchange tube 10 among the flue gas waste heat recoverer and handles, and its major structure includes actuating mechanism and deashing mechanism, and actuating mechanism installs in flue gas waste heat recoverer, and the reciprocating motion is gone up by actuating mechanism drive in the length direction of fin heat exchange tube 10 to the deashing mechanism.
The ash removal mechanism comprises a gas collecting pipe 21 and a plurality of ash removal pipes 22 communicated with the gas collecting pipe 21, an air inlet 211 is formed in the gas collecting pipe 21, the air inlet 211 is used for being connected with compressed air, the ash removal pipes 22 are vertically arranged in the length direction of the fin heat exchange pipe 10, and a plurality of air injection holes are formed in the pipe wall of the ash removal pipes facing the fin heat exchange pipe 10.
Particularly, as shown in fig. 2, the flue gas waste heat recoverer is generally configured into a cabinet structure with a cavity inside, the flue gas waste heat recoverer has a cabinet shell, the fin heat exchange tube 10 is fixedly installed inside the cabinet body, an inlet and an outlet are formed in the cabinet shell, flue gas is supplied to enter and be discharged, when the flue gas enters the flue gas waste heat recoverer, heat exchange can be performed with the fin heat exchange tube 10, heat is transferred into the fin heat exchange tube 10, the fin heat exchange tube 10 is dense, the length direction of the fin heat exchange tube is generally consistent with the flue gas transmission direction, and in fig. 2, the fin heat exchange tube 10 is arranged front and back along the horizontal direction.
In this embodiment, the fin heat exchange tube 10 has two clusters, a passageway is arranged in the middle of the cluster, the gas collecting tube 21 is transversely arranged above the fin heat exchange tube 10 and is a hollow tube, an opening at one end of the gas collecting tube forms the gas inlet 211, the gas inlet 211 is connected with compressed air through a hose, the compressed air can enter the gas collecting tube 21 through the gas inlet 211, three heat exchange tubes 22 are vertically arranged and are respectively located at two sides and the middle of the fin heat exchange tube 10, one end of each ash removing tube 22 is communicated with the gas collecting tube 21, the ash removing tubes 22 are hollow tubes, and the compressed air entering the gas collecting tube 21 can further enter the ash removing tubes 22.
As shown in fig. 3, a plurality of air injection holes 221 are formed in the ash removal pipe 22 in a direction toward the finned heat exchange pipe 10, and the air injection holes 221 are vertically arranged on the pipe wall of the finned heat exchange pipe 10 and are used for injecting compressed air in the ash removal pipe 22, and the injected compressed air can perform ash removal on the finned heat exchange pipe 10.
In addition, the driving mechanism includes a driving motor 31, a first driving wheel 32, a second driving wheel 33, a transmission shaft 34, a first driving wheel 35, a second driving wheel 36, a first chain 37 and a second chain 38, the first driving wheel 32 and the second driving wheel 33 are fixedly connected through the transmission shaft 34, the first driving wheel 32 drives the first driving wheel 35 to rotate through the first chain 37, the second driving wheel 33 drives the second driving wheel 36 to rotate through the second chain 38, an output end of the driving motor 31 is connected with the first driving wheel 32 to drive the first driving wheel 32 to rotate, and two ends of the gas collecting pipe 21 are fixedly connected with the first chain 37 and the second chain 38 respectively.
Specifically, as shown in fig. 1, the driving motor 31 is fixedly installed at the position close to the upper side inside the cabinet of the flue gas waste heat recovery device through the base, the center of the first driving wheel 32 is fixedly connected with the driving shaft extending from the driving motor 31, the driving motor 31 can drive the first driving wheel 32 to rotate when rotating, the center of the other side of the first driving wheel 32 is fixedly connected with the transmission shaft 34, the other end of the transmission shaft 34 is fixedly connected with the second driving wheel 33, when the first driving wheel 32 rotates, the first driving wheel 32 and the second driving wheel 33 are driven to rotate simultaneously through the effect of the transmission shaft 34, the first driving wheel 32 and the second driving wheel 33 both form a fixed relationship with the inside of the cabinet of the flue gas waste heat recovery device through a base, and a through hole for the rotating shaft of the. Similarly, the first driving wheel 35 and the second driving wheel 36 are also fixedly connected with the inside of the solid body of the flue gas waste heat recovery device through similar bases, the first driving wheel 35 and the first driving wheel 32 are connected into a whole through a first chain 37, and the second driving wheel 36 and the second driving wheel 33 are connected into a whole through a second chain 38, so that when the first driving wheel 32 and the second driving wheel 33 rotate, the first driving wheel 35 and the second driving wheel 36 also rotate along with the first driving wheel and the second driving wheel, and the limit of the two ends of the first chain 37 and the second chain 38 is realized.
The two ends of the gas collecting pipe 21 are provided with connecting blocks, and the connecting blocks can be directly fixedly connected with the first chain 37 or the second chain 38 in a welding mode, so that the first chain 37 and the second chain 38 move along with the first chain 37 and the second chain 38. At this time, the whole reciprocating motion of the ash removing mechanism can be realized by controlling the forward rotation or the reverse rotation of the driving motor 31.
In addition, distance sensors can be arranged in front of and behind the first driving wheel 32 and the first driving wheel 35 for sensing the position of the connecting block of the gas collecting pipe 21, so as to determine the position of the whole ash cleaning mechanism, when the ash cleaning mechanism is about to reach the position of the first driving wheel 35, the driving motor 31 is controlled to rotate to enable the ash cleaning mechanism to move towards the direction of the first driving wheel 32, or when the ash cleaning mechanism is about to reach the position of the first driving wheel 32, the driving motor 31 is controlled to rotate to enable the ash cleaning mechanism to move towards the direction of the first driving wheel 35.
Particularly, the ash removal device further comprises a fixing rod 41 and a guide rail 42, the fixing rod 41 is fixedly connected with the other end of each ash removal pipe 22 opposite to the end connected with the gas collecting pipe 21, a sliding hole 411 is formed in the fixing rod 41, and the guide rail 42 is fixedly arranged in the flue gas waste heat recoverer along the length direction of the fin heat exchange pipe 10 and penetrates through the sliding hole 411 in the fixing rod 41 to limit the movement direction of the fixing rod 41.
As a part of this embodiment, two guide rails 42 are provided in parallel, sliding holes 411 are respectively provided at both ends of the fixing rod 41, and each guide rail 42 penetrates its corresponding sliding hole 411.
Specifically, as shown in fig. 1, in the lower part of the ash removal mechanism, the ash removal pipe 22 is located at the end of the lower side, and is all fixedly connected with a fixing rod 41 through welding and other manners, so as to prevent the lower end of the ash removal pipe 22 from being unfixed to cause displacement, block structures are also formed at the two ends of the fixing rod 41, a through sliding hole 411 is formed in the block structure, the guide rail 42 is directly fixed and installed inside the flue gas waste heat recoverer through welding and other manners, and the length direction of the guide rail is consistent with the length direction of the fin heat exchange pipe 10, the guide rail 42 is set to be two parallel in the embodiment, the guide rail 42 penetrates through the sliding hole 411 on the fixing rod 41, so that when the ash removal mechanism moves, a limiting effect can be formed.
When specifically using, accessible manual control or automatic control's mode, control driving motor 31's operation, make driving motor 31 corotation or reversal, when driving motor 31 moves, can make the dust cleaning mechanism realize along fin heat exchange tube 10's length direction's reciprocating motion, let in compressed air to the gas collecting pipe 21 of dust cleaning mechanism simultaneously, make compressed air spout from fumarole 221, the realization is to the deashing of fin heat exchange tube 10, dust cleaning mechanism can carry out comprehensive deashing to fin heat exchange tube 10 during reciprocating motion.
The utility model provides a pair of ash removal device of flue gas waste heat recoverer is provided with actuating mechanism and deashing mechanism, and reciprocating motion can be gone up along fin heat exchange tube 10's length direction to deashing mechanism under actuating mechanism's drive, realizes the comprehensive deashing to fin heat exchange tube 10, and deashing efficiency improves greatly, does carry out the deashing when the recoverer moves.
The description of the above specification and examples is intended to illustrate the scope of the invention, but should not be construed as limiting the scope of the invention. Modifications, equivalents and other improvements which may be made to the embodiments of the invention or to some of the technical features thereof by a person of ordinary skill in the art through logical analysis, reasoning or limited experimentation in light of the above teachings of the invention or the above embodiments are intended to be included within the scope of the invention.
Claims (4)
1. The utility model provides a flue gas waste heat recoverer's ash removal device for carry out the deashing to the fin heat exchange tube in the flue gas waste heat recoverer and handle, its characterized in that includes:
the driving mechanism is arranged in the flue gas waste heat recoverer;
the ash removal mechanism is driven by the driving mechanism to reciprocate in the length direction of the fin heat exchange tube;
the ash removal mechanism comprises a gas collecting pipe and a plurality of ash removal pipes communicated with the gas collecting pipe; the gas collecting pipe is provided with an air inlet which is used for accessing compressed air; the ash removal pipe is vertically arranged relative to the length direction of the fin heat exchange pipe, and a plurality of air injection holes are formed in the pipe wall of the ash removal pipe facing the fin heat exchange pipe.
2. The ash removal device of the flue gas waste heat recovery device according to claim 1, wherein the driving mechanism comprises a driving motor, a first driving wheel, a second driving wheel, a transmission shaft, a first driving wheel, a second driving wheel, a first chain and a second chain;
the first driving wheel is fixedly connected with the second driving wheel through a transmission shaft, the first driving wheel drives the first transmission wheel to rotate through a first chain, and the second driving wheel drives the second transmission wheel to rotate through a second chain;
the output end of the driving motor is connected with the first driving wheel to drive the first driving wheel to rotate;
and two ends of the gas collecting pipe are fixedly connected with the first chain and the second chain respectively.
3. The ash removal device of the flue gas waste heat recovery device according to claim 2, further comprising a fixing rod and a guide rail; the fixed rod is fixedly connected with the other end of each ash cleaning pipe, which is opposite to the other end connected with the gas collecting pipe, and a sliding hole is formed in the fixed rod; the guide rail is fixedly arranged in the flue gas waste heat recoverer along the length direction of the fin heat exchange tube and penetrates through a sliding hole in the fixed rod to limit the movement direction of the fixed rod.
4. The ash removing device for flue gas waste heat recoverer according to claim 3, wherein the number of the guide rails is two, the sliding holes are respectively provided at two ends of the fixing rod, and each guide rail penetrates through the corresponding sliding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921279104.5U CN210346465U (en) | 2019-08-08 | 2019-08-08 | Ash removal device of flue gas waste heat recoverer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921279104.5U CN210346465U (en) | 2019-08-08 | 2019-08-08 | Ash removal device of flue gas waste heat recoverer |
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| CN210346465U true CN210346465U (en) | 2020-04-17 |
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| CN201921279104.5U Active CN210346465U (en) | 2019-08-08 | 2019-08-08 | Ash removal device of flue gas waste heat recoverer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985162A (en) * | 2020-12-26 | 2021-06-18 | 山东泰王冷却设备有限公司 | Automatic descaling device for closed cooling tower |
| CN114251970A (en) * | 2021-12-22 | 2022-03-29 | 巢湖市鑫皖新能源有限公司 | Mechanical pneumatic hybrid air preheater ash handling equipment |
| CN117433031A (en) * | 2023-12-18 | 2024-01-23 | 华能济南黄台发电有限公司 | Automatic clear thermal power boiler economizer of heat exchange tube |
-
2019
- 2019-08-08 CN CN201921279104.5U patent/CN210346465U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985162A (en) * | 2020-12-26 | 2021-06-18 | 山东泰王冷却设备有限公司 | Automatic descaling device for closed cooling tower |
| CN112985162B (en) * | 2020-12-26 | 2022-11-22 | 山东泰王冷却设备有限公司 | Closed cooling tower automatic descaling device |
| CN114251970A (en) * | 2021-12-22 | 2022-03-29 | 巢湖市鑫皖新能源有限公司 | Mechanical pneumatic hybrid air preheater ash handling equipment |
| CN114251970B (en) * | 2021-12-22 | 2024-03-15 | 巢湖市鑫皖新能源有限公司 | Mechanical pneumatic hybrid air preheater ash removal device |
| CN117433031A (en) * | 2023-12-18 | 2024-01-23 | 华能济南黄台发电有限公司 | Automatic clear thermal power boiler economizer of heat exchange tube |
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