CN219956216U - Flue gas waste heat recovery device - Google Patents
Flue gas waste heat recovery device Download PDFInfo
- Publication number
- CN219956216U CN219956216U CN202321688622.9U CN202321688622U CN219956216U CN 219956216 U CN219956216 U CN 219956216U CN 202321688622 U CN202321688622 U CN 202321688622U CN 219956216 U CN219956216 U CN 219956216U
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- CN
- China
- Prior art keywords
- flue gas
- water tank
- waste heat
- heat recovery
- recovery device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 239000003546 flue gas Substances 0.000 title claims abstract description 92
- 239000002918 waste heat Substances 0.000 title claims abstract description 34
- 238000011084 recovery Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000007599 discharging Methods 0.000 claims abstract description 34
- 238000007790 scraping Methods 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 14
- 239000000779 smoke Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 abstract description 12
- 239000000428 dust Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005087 graphitization Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a flue gas waste heat recovery device which comprises a water tank, wherein a plurality of flue gas pipes vertically distributed along the length direction of the flue gas pipes are arranged in the water tank, each flue gas pipe penetrates through the water tank, a plurality of first cavities independently distributed are arranged at the upper end of the water tank, a plurality of second cavities independently distributed are arranged at the lower end of the water tank, the first cavities and the second cavities are connected through the flue gas pipes to form a serpentine channel, a rotatable scraping structure is arranged in each flue gas pipe, and a discharging structure is connected at the lower end of each second cavity. The utility model has the advantages that the operation is convenient and fast when the flue gas pipe is cleaned, the use is convenient, part of dust can be directly deposited into the discharging structure after the flue gas pipe is vertically distributed, the dust is not easy to adhere to the flue gas pipe, the cleaning frequency of the flue gas pipe can be reduced, and the waste heat recovery work can be normally carried out when the flue gas pipe is cleaned.
Description
Technical Field
The utility model relates to a waste heat recovery technology, in particular to a flue gas waste heat recovery device.
Background
In the graphitization process of the cathode material, a large amount of high-temperature smoke can be generated, and the smoke waste heat has high taste and high recovery value, so that the smoke generated in the graphitization process can be generally subjected to waste heat recovery and utilization.
At present, in a flue gas waste heat recycling system, cold water is generally adopted to recycle waste heat in flue gas, a flue gas pipe is led into the cold water, and the cold water absorbs heat to form hot water, so that the recycling of the flue gas waste heat is realized. Because the flue gas contains a large amount of dust, when working for a long time, the dust can be attached to the inner wall of the flue gas pipe, and the inner wall of the flue gas pipe is thickened because of long-time no cleaning, thereby influencing heat transfer and causing poor waste heat recovery effect, so that the flue gas pipe needs to be cleaned regularly. However, the existing flue gas pipe is usually of a spiral structure, so that when a worker cleans the flue gas pipe, the operation is complex, and time and labor are wasted.
Disclosure of Invention
The utility model provides a flue gas waste heat recovery device which is used for solving the problems of complex operation and time and labor waste when the existing flue gas waste heat recovery device is used for cleaning a flue gas pipe.
The utility model provides a flue gas waste heat recovery device, which comprises a water tank, wherein a plurality of flue gas pipes vertically distributed along the length direction of the water tank are arranged in the water tank, and each flue gas pipe penetrates through the water tank;
the upper end of the water tank is provided with a plurality of first cavities which are independently distributed, and the lower end of the water tank is provided with a plurality of second cavities which are independently distributed;
the first cavity and the second cavity are connected through the flue gas pipe to form a serpentine channel;
a rotatable scraping structure is arranged in each flue gas pipe;
the lower end of each second cavity is connected with a discharging structure.
Optionally, the scraping structure comprises a rotating shaft, scraping plates which are in contact with the inner wall of the flue gas pipe and are vertically distributed are fixed on the rotating shaft, and the rotating shaft extends out of the first cavity corresponding to the rotating shaft and is rotationally connected with the first cavity.
Optionally, the device further comprises a driving mechanism, wherein the driving mechanism is connected with all the rotating shafts at the same time and drives all the rotating shafts to rotate at the same time.
Optionally, the actuating mechanism includes the mounting box, the mounting box is fixed the upper end of first cavity, the drive shaft of horizontal distribution is installed in the rotation of mounting box, the drive shaft is connected with the motor, just the drive shaft through bevel gear transmission structure with the pivot is connected.
Optionally, the water tank further comprises an upper box body, the upper box body is of a hollow structure with an opening at the bottom, the opening end of the upper box body is fixedly connected with the upper end of the water tank in a sealing way, a plurality of upper partition boards matched with the upper box body are arranged in the upper box body, and the upper partition boards divide the upper box body into a plurality of first cavities which are distributed independently.
Optionally, the water tank further comprises a lower box body, wherein the lower box body is of a hollow structure with an open top, the open end of the lower box body is fixedly connected with the lower end of the water tank in a sealing way, a plurality of lower partition boards matched with the lower box body are arranged in the lower box body, and the lower partition boards divide the lower box body into a plurality of second cavities which are distributed independently.
Optionally, the discharging structure comprises a discharging bin, the discharging bin is of a bucket-shaped structure, the upper end of the discharging bin is communicated with the second cavity and is in sealing connection, and a discharging valve is arranged at the lower end of the discharging bin.
Compared with the prior art, the utility model has the beneficial effects that:
according to the flue gas waste heat recovery device provided by the utility model, the plurality of flue gas pipes vertically distributed along the length direction are arranged in the water tank, each flue gas pipe penetrates through the water tank, the upper end of the water tank is provided with the plurality of first cavities independently distributed, the lower end of the water tank is provided with the plurality of second cavities independently distributed, the first cavities and the second cavities are connected through the flue gas pipes to form the serpentine channel, the rotatable scraping structure is arranged in each flue gas pipe, and the lower end of each second cavity is connected with the discharging structure, so that after a certain amount of dust is attached to the inner wall of the flue gas pipe for a long time, the attachments on the inner wall of the flue gas pipe can be scraped by rotating the scraping structure, and the scraped attachments can fall into the second cavities according to self gravity and are settled in the discharging structure. This mode clearance flue gas pipe not only simple operation, convenient to use, the flue gas pipe is vertical distribution in addition in, in partial dust can directly sink to the row material structure, the powder is difficult for adhering to on the flue gas pipe, can reduce the frequency of flue gas pipe clearance to and can normally carry out waste heat recovery work when the clearance flue gas pipe. In addition, the serpentine structure channel can prolong the heat exchange time of the flue gas and water, so that the effect of flue gas waste heat recovery is ensured not to be deteriorated.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a front view structure of a flue gas waste heat recovery device according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a partial cross-sectional front view of a flue gas waste heat recovery device according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a front view cross-section structure of a driving mechanism of a flue gas waste heat recovery device according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a flue gas flow direction of a flue gas waste heat recovery device according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a partial top view structure of a flue gas waste heat recovery device according to an embodiment of the present utility model.
Reference numerals illustrate: the water tank 1, the water inlet pipe 2, the water outlet pipe 3, the flue gas pipe 4, the first cavity 5, the second cavity 6, the serpentine channel 7, the air inlet pipe 8, the air outlet pipe 9, the upper box 10, the upper partition 11, the lower box 12 and the lower partition 13;
the scraping structure 14, the rotating shaft 15 and the scraping plate 16;
a driving mechanism 17, a mounting box 18, a driving shaft 19, a motor 20 and a bevel gear transmission structure 21;
a discharging structure 22, a discharging bin 23 and a discharging valve 24.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are 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 also within the scope of the utility model.
As shown in fig. 1-5:
the flue gas waste heat recovery device provided by the embodiment of the utility model comprises a water tank 1, wherein the water tank 1 further comprises a water inlet pipe 2 and a water outlet pipe 3, the water inlet pipe 2 is positioned at the lower left side of the water tank 1, and the water outlet pipe 3 is positioned at the upper right side of the water tank 1. A plurality of smoke pipes 4 vertically distributed along the length direction of the water tank 1 are arranged in the water tank 1, and each smoke pipe 4 penetrates through the water tank 1.
Specifically, the flue gas pipe 4 has a circular pipe structure penetrating up and down. The upper end of each flue gas pipe 4 penetrates through the upper end of the water tank 1 and is welded with the upper end of the water tank 1 in a sealing manner. The lower end of each flue gas pipe 4 penetrates through the lower end of the water tank 1 and is welded with the lower end of the water tank 1 in a sealing manner.
The upper end of the water tank 1 is provided with a plurality of first cavities 5 which are independently distributed, and the lower end of the water tank 1 is provided with a plurality of second cavities 6 which are independently distributed.
The first cavity 5 and the second cavity 6 are connected through the flue pipe 4 to form a serpentine channel 7.
In this embodiment, in order to facilitate connection between the serpentine channel 7 and the flue gas delivery pipeline, one end of the serpentine channel 7 is connected with an air inlet pipe 8 in communication therewith in a sealing manner, and the other end of the serpentine channel 7 is connected with an air outlet pipe 9 in communication therewith.
The rotatable scraping structure 14 is arranged in each flue gas pipe 4, and attachments on the inner wall of each flue gas pipe 4 are scraped after the scraping structure 14 rotates.
A discharging structure 22 is connected to the lower end of each second cavity 6 for discharging the attachments under cleaning.
When the high-temperature flue gas heat recovery device is used, high-temperature flue gas enters the serpentine channel 7 from the air inlet pipe 8, flows along the serpentine channel 7, is finally discharged from the exhaust pipe 9, and exchanges heat with cold water in the water tank 1 in the flowing process of the flue gas pipe 4, and the cold water absorbs heat in the high-temperature flue gas, so that the waste heat recovery of the flue gas is realized.
When the inner wall of the flue gas pipe 4 needs to be cleaned, the scraping structure 14 in each flue gas pipe 4 is rotated, after the scraping structure 14 rotates, attachments on the inner wall of the flue gas pipe 4 are scraped, the scraped attachments are discharged according to self gravity and finally fall into the second cavity and are settled in the discharging structure 22, and the attachments are discharged periodically.
According to the flue gas waste heat recovery device provided by the utility model, the plurality of flue gas pipes 4 vertically distributed along the length direction of the flue gas pipes are arranged in the water tank 1, each flue gas pipe 4 penetrates through the water tank 1, the plurality of first cavities 5 independently distributed are arranged at the upper end of the water tank 1, the plurality of second cavities 6 independently distributed are arranged at the lower end of the water tank 1, the first cavities 5 and the second cavities 6 are connected through the flue gas pipes 4 to form the serpentine channel 7, the rotatable scraping structure 14 is arranged in each flue gas pipe 4, and the discharging structure 22 is connected at the lower end of each second cavity 6, so that attachments on the inner wall of the flue gas pipe 4 can be scraped only by rotating the scraping structure 14. In addition, the serpentine structure channel can prolong the heat exchange time of the flue gas and water, so that the effect of flue gas waste heat recovery is ensured not to be deteriorated.
In some embodiments of the present utility model, the scraping structure 14 includes a rotating shaft 15, scraping plates 16 that are in contact with the inner wall of the flue gas pipe 4 and are vertically distributed are fixed on the rotating shaft 15, and the rotating shaft 15 extends out of the first cavity 5 corresponding to the rotating shaft 15 and is rotationally connected with the first cavity 5, so that cleaning of the inner wall of the flue gas pipe 4 can be achieved only by rotating the rotating shaft 15.
In some embodiments of the present utility model, the cleaning device further includes a driving mechanism 17, where the driving mechanism 17 is connected with all the rotating shafts 15 at the same time and drives all the rotating shafts 15 to rotate at the same time, so that a worker only needs to operate the driving mechanism 17 to realize rotation of all the rotating shafts 15, and further can realize cleaning of inner walls of all the flue gas pipes 4 at the same time, thereby improving cleaning convenience and cleaning efficiency of the flue gas pipes 4.
In some embodiments of the utility model, the drive mechanism 17 comprises a mounting box 18, the mounting box 18 being fixed at the upper end of the first chamber 5, the mounting box 18 being rotatably mounted with a horizontally distributed drive shaft 19. Specifically, the drive shaft 19 is rotatably connected to the inner wall of the mounting case 18 by two bearings. The drive shaft 19 is connected to a motor 20, and the motor 20 is fixed to the outer wall of the mounting case 18. And the driving shaft 19 is connected with the rotating shaft 15 through a bevel gear transmission structure 21.
Specifically, the bevel gear transmission mechanism comprises a drive bevel gear, wherein a driven bevel gear perpendicular to the drive bevel gear is meshed with the drive bevel gear, the drive bevel gear is fixed on a driving shaft 19, and the driven bevel gear is fixedly connected with the upper end of the rotating shaft 15.
When the smoke tube 4 cleaning device is used, the motor 20 drives the driving shaft 19 to rotate, the driving bevel gear is driven to synchronously rotate along with the driving bevel gear after the driving shaft 19 rotates, the driving bevel gear drives the driven bevel gear to rotate, the driven bevel gear drives the rotating shaft 15 connected with the driven bevel gear to rotate, the rotating shaft 15 drives the scraping plate 16 to rotate, the scraping plate 16 scrapes attachments on the inner wall of the smoke tube 4, and therefore a worker only needs to control the motor 20 to complete the smoke tube 4 cleaning work, and the convenience of the smoke tube 4 cleaning is further improved.
In some embodiments of the present utility model, the upper tank body 10 further comprises an upper tank body 10, the upper tank body 10 is a hollow structure with an opening at the bottom, the opening end of the upper tank body 10 is welded with the upper end of the water tank 1 in a sealing manner, a plurality of upper partition plates 11 matched with the upper tank body 10 are arranged in the upper tank body 10, and the upper partition plates 11 divide the upper tank body 10 into a plurality of first cavities 5 which are independently distributed. Specifically, the upper partition 11 is fixedly connected with the upper end of the water tank 1 and the inner wall of the upper tank 10 at the same time in a sealing manner.
In this embodiment, the rotation shaft 15 penetrates through the upper end of the upper case 10 and is rotatably connected with the upper end of the upper case 10 through a bearing, and the installation case 18 is fixed to the upper end of the upper case 10.
In this embodiment, to prevent heat loss, the upper case 10 employs an incubator.
In some embodiments of the present utility model, the lower box 12 is a hollow structure with an open top, the open end of the lower box 12 is welded with the lower end of the water tank 1 in a sealing manner, a plurality of lower partition plates 13 adapted to the lower box 12 are arranged in the lower box 12, and the lower partition plates 13 divide the lower box 12 into a plurality of second cavities 6 which are distributed independently. Specifically, the lower partition 13 is fixedly connected with the lower end of the water tank 1 and the inner wall of the lower tank body 12 in a sealing manner.
In this embodiment, to prevent heat loss, the lower case 12 employs an incubator.
In some embodiments of the present utility model, the discharging structure 22 includes a discharging bin 23, in order to facilitate discharging, the discharging bin 23 is in a bucket structure, an upper end of the discharging bin 23 is communicated with the second cavity 6 and is welded in a sealing manner, a discharging valve 24 is installed at a lower end of the discharging bin 23, and discharging work can be performed by opening the discharging valve 24.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will appreciate that; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. The utility model provides a flue gas waste heat recovery device, includes water tank (1), its characterized in that: a plurality of flue gas pipes (4) vertically distributed along the length direction of the water tank (1) are arranged in the water tank (1), and each flue gas pipe (4) penetrates through the water tank (1);
the upper end of the water tank (1) is provided with a plurality of first cavities (5) which are independently distributed, and the lower end of the water tank (1) is provided with a plurality of second cavities (6) which are independently distributed;
the first cavity (5) and the second cavity (6) are connected through the smoke pipe (4) to form a serpentine channel (7);
a rotatable scraping structure (14) is arranged in each smoke pipe (4);
the lower end of each second cavity (6) is connected with a discharging structure (22).
2. The flue gas waste heat recovery device according to claim 1, wherein: the scraping structure (14) comprises a rotating shaft (15), scraping plates (16) which are in contact with the inner wall of the flue gas pipe (4) and are vertically distributed are fixed on the rotating shaft (15), and the rotating shaft (15) extends out of a first cavity (5) corresponding to the rotating shaft and is rotationally connected with the first cavity (5).
3. The flue gas waste heat recovery device according to claim 2, wherein: the device also comprises a driving mechanism (17), wherein the driving mechanism (17) is simultaneously connected with all the rotating shafts (15) and drives all the rotating shafts (15) to simultaneously rotate.
4. A flue gas waste heat recovery device according to claim 3, wherein: the driving mechanism (17) comprises a mounting box (18), the mounting box (18) is fixed at the upper end of the first cavity (5), a horizontally distributed driving shaft (19) is rotatably mounted in the mounting box (18), the driving shaft (19) is connected with a motor (20), and the driving shaft (19) is connected with the rotating shaft (15) through a bevel gear transmission structure (21).
5. The flue gas waste heat recovery device according to claim 1, wherein: the novel water tank is characterized by further comprising an upper tank body (10), wherein the upper tank body (10) is of a hollow structure with an opening at the bottom, the opening end of the upper tank body (10) is fixedly connected with the upper end of the water tank (1) in a sealing manner, a plurality of upper partition boards (11) matched with the upper tank body are arranged in the upper tank body (10), and the upper partition boards (11) divide the upper tank body (10) into a plurality of first cavities (5) which are distributed independently.
6. The flue gas waste heat recovery device according to claim 1, wherein: the water tank is characterized by further comprising a lower box body (12), wherein the lower box body (12) is of a hollow structure with an open top, the open end of the lower box body (12) is fixedly connected with the lower end of the water tank (1) in a sealing manner, a plurality of lower partition boards (13) matched with the lower box body are arranged in the lower box body (12), and the lower partition boards (13) divide the lower box body (12) into a plurality of second cavities (6) which are distributed independently.
7. The flue gas waste heat recovery device according to claim 6, wherein: the discharging structure (22) comprises a discharging bin (23), the discharging bin (23) is of a bucket-shaped structure, the upper end of the discharging bin (23) is communicated with the second cavity (6) and is in sealing connection, and a discharging valve (24) is arranged at the lower end of the discharging bin (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321688622.9U CN219956216U (en) | 2023-06-30 | 2023-06-30 | Flue gas waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321688622.9U CN219956216U (en) | 2023-06-30 | 2023-06-30 | Flue gas waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219956216U true CN219956216U (en) | 2023-11-03 |
Family
ID=88535769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321688622.9U Active CN219956216U (en) | 2023-06-30 | 2023-06-30 | Flue gas waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219956216U (en) |
-
2023
- 2023-06-30 CN CN202321688622.9U patent/CN219956216U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |