CN220555654U - Anaerobic tower sludge return pipeline heating device - Google Patents
Anaerobic tower sludge return pipeline heating device Download PDFInfo
- Publication number
- CN220555654U CN220555654U CN202321883144.7U CN202321883144U CN220555654U CN 220555654 U CN220555654 U CN 220555654U CN 202321883144 U CN202321883144 U CN 202321883144U CN 220555654 U CN220555654 U CN 220555654U
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- Prior art keywords
- shell
- sludge
- heating pipe
- heating
- pipe
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 86
- 239000010802 sludge Substances 0.000 title claims abstract description 70
- 238000004140 cleaning Methods 0.000 claims abstract description 57
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000007790 scraping Methods 0.000 description 11
- 230000006872 improvement Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Cleaning In General (AREA)
Abstract
The utility model discloses a heating device for a sludge return pipeline of an anaerobic tower, which comprises a shell, wherein a heating pipe is arranged in the shell, both ends of the heating pipe penetrate through the shell, a feeding pipe and a discharging pipe are arranged in the shell, a cleaning piece extending along a spiral track is arranged in the shell, the axial lead of the spiral track coincides with the axial lead of the heating pipe, and the cleaning piece is arranged in a rotating way around the axial lead of the cleaning piece. When the spiral cleaning piece rotates, the heating pipe can be cleaned, so that the heat exchange efficiency between steam and sludge is improved, and the accuracy of controlling the temperature of the sludge is improved; when the spiral cleaning piece is in a static state, the spiral cleaning piece can guide the sludge to advance and rotate around the heating pipe, so that the contact time of the sludge and the heating pipe is prolonged, and the heat exchange efficiency between the sludge and steam is improved; when the spiral cleaning piece rotates, the sludge can be pushed to advance, and when the sludge is blocked, the dredging effect can be achieved.
Description
Technical Field
The utility model belongs to the technical field of heat exchangers, and particularly relates to a heating device for a sludge return pipeline of an anaerobic tower.
Background
The anaerobic tower is a treatment device for purifying organic substances in sewage by utilizing the degradation of anaerobic microorganisms under the anaerobic condition. Under the anaerobic condition, anaerobic bacteria in the sewage decompose organic matters such as carbohydrate, protein, fat and the like to generate organic acid, and then the organic acid is further fermented to form methane, carbon dioxide, hydrogen and the like under the action of methane bacteria, so that the sewage is purified.
In order to keep the activity of anaerobic bacteria, the anaerobic tower needs to keep the sludge at a proper temperature, so that the temperature of the sludge needs to be controlled, and the existing temperature control mode is to install a heat exchanger on a sludge return pipeline of the anaerobic tower, and to introduce steam into the heat exchanger to realize the temperature control of the sludge; but the mud is easy to accumulate on the steam pipe surface of the heat exchanger, so that the heat exchange efficiency between the steam and the mud is reduced, the accuracy of the temperature control of the mud is affected, the energy loss is increased, and the use cost of equipment is increased.
Therefore, there is a need for an improved anaerobic tower sludge return line heating apparatus.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the heating device for the sludge return pipeline of the anaerobic tower, which can clean the steam pipeline of the heat exchanger, improve the heat exchange efficiency between steam and sludge, improve the accuracy of controlling the temperature of the sludge and simultaneously achieve the effect of energy conservation.
In order to achieve the above purpose, the specific technical scheme of the anaerobic tower sludge return pipeline heating device is as follows:
the utility model provides an anaerobic tower mud return line heating device, includes the shell, the inside heating pipe that is provided with of shell, the both ends of heating pipe all run through the shell, the shell is provided with inlet pipe and discharging pipe, the inside cleaning member that extends along spiral orbit that is provided with of shell, spiral orbit's axial lead with the axial lead coincidence of heating pipe, the cleaning member rotates the setting around self axis.
Preferably, the cleaning member is a scraper, two ends of the scraper are fixedly connected with rotating sleeves, the rotating sleeves are coaxially arranged with the heating pipe, and the shell is provided with a driving member which is in transmission connection with one of the rotating sleeves.
Preferably, the cross section of the scraper along the radial direction of the spiral track is isosceles trapezoid, and the bottom of the isosceles trapezoid is attached to the heating pipe.
Preferably, a plurality of raised strips are arranged on two sides of the scraping plate, the raised strips extend along the radial direction of the spiral track, and the raised strips are distributed at equal intervals along the extending direction of the spiral track.
Preferably, the side surface of the scraper blade attached to the heating pipe is a cleaning surface, the cleaning surface is provided with a cleaning strip, and the cleaning strip is arranged along the extending direction of the spiral track.
Preferably, the cleaning surface is provided with a mounting groove along the extending direction of the spiral track, and the cleaning strip is in plug-in fit with the mounting groove.
Preferably, the shell is of a hollow cylindrical structure, the axial lead of the shell is coincident with the axial lead of the heating pipe, and the feeding pipe and the discharging pipe are respectively communicated with two ends of the shell.
Preferably, the feeding pipe extends along the tangential direction of the housing.
The anaerobic tower sludge return pipeline heating device has the following advantages: when the spiral cleaning piece rotates, the heating pipe can be cleaned, so that the heat exchange efficiency between steam and sludge is improved, and the accuracy of controlling the temperature of the sludge is improved; when the spiral cleaning piece is in a static state, the spiral cleaning piece can guide the sludge to advance and rotate around the heating pipe, so that the contact time of the sludge and the heating pipe is prolonged, and the heat exchange efficiency between the sludge and steam is improved; when the spiral cleaning piece rotates, the sludge can be pushed to advance, and when the sludge is blocked, the dredging effect can be achieved.
Drawings
FIG. 1 is a schematic diagram of a heating device for a sludge return line of an anaerobic tower;
FIG. 2 is a schematic view of the internal structure of the housing of the present utility model;
fig. 3 is an enlarged view of a portion a of fig. 2;
FIG. 4 is a schematic view of a connection structure of a heating tube and a cleaning member according to the present utility model;
fig. 5 is an enlarged view of a portion B of fig. 4;
the figure indicates: 1. a driving member; 2. a housing; 3. heating pipes; 4. a feed pipe; 5. a discharge pipe; 6. a cleaning member; 7. a bearing; 8. a cleaning bar; 11. a motor; 12. a gear; 61. a scraper; 62. rotating the sleeve; 63. a mounting groove; 64. a gear ring; 65. a convex strip.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
Reference to "top" and "bottom" are made to the normal use of the heating device for convenience of description and simplicity of description, and are not to be construed as indicating or implying that the device or element in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
When the anaerobic tower is used, in order to keep the activity of fungus inside the anaerobic tower, the sludge is required to be controlled at a proper temperature, a heat exchanger is arranged on a sludge return pipeline for the purpose, steam is introduced into the heat exchanger, and the steam and the sludge realize heat exchange inside the heat exchanger, so that the temperature control of the sludge is realized, but when the heat exchanger is used, the sludge is easy to adhere to a heating pipe 3 of the heat exchanger, so that the heat exchange efficiency is influenced, and the problem is solved.
As shown in fig. 2, the heating device for the sludge return pipeline of the anaerobic tower comprises a shell 2, wherein a heating pipe 3 is arranged inside the shell 2, two ends of the heating pipe 3 penetrate through the shell 2, the shell 2 is provided with a feeding pipe 4 and a discharging pipe 5, a cleaning piece 6 extending along a spiral track is arranged inside the shell 2, the axial lead of the spiral track coincides with the axial lead of the heating pipe 3, and the cleaning piece 6 is arranged in a rotating mode around the axial lead of the cleaning piece.
The heat exchange device is a heat exchanger, wherein a shell 2 is in sealing connection with a heating pipe 3, when the heat exchange device is used, steam enters from one end of the heating pipe 3 and is discharged from the other end of the heating pipe 3, sludge in a sludge return pipeline of an anaerobic tower enters the shell 2 from a feeding pipe 4, and the sludge contacts with the heating pipe 3 in the shell 2, so that heat exchange between the sludge and the steam is realized, heating of the sludge is realized, and then the sludge is discharged from a discharging pipe 5; in the process, the periphery of the heating pipe 3 is provided with the spiral cleaning piece 6, the cleaning piece 6 can be started at regular time and rotate around the heating pipe 3, so that the sludge adhered to the heating pipe 3 is cleaned through the cleaning piece 6, the heating pipe 3 is kept clean, the heat exchange efficiency between the sludge and steam is improved, and the accuracy of controlling the temperature of the sludge is improved.
When the spiral cleaning piece 6 rotates, not only can the heating pipe 3 be cleaned, but also the sludge can be pushed to move from the feeding pipe 4 to the discharging pipe 5, and when the sludge is blocked in the shell 2, the cleaning piece 6 can dredge the sludge; when the cleaning piece 6 is in a static state, the spiral cleaning piece 6 can also guide sludge to rotate around the heating pipe 3, so that the contact time of the sludge and the heating pipe 3 is prolonged, and the heat exchange effect between the sludge and steam is improved.
The side surface of the cleaning piece 6, which is away from the heating pipe 3, and the inner wall of the shell 2 can keep a certain interval, and the sludge can pass through the interval.
As shown in fig. 2 and 3, a further improvement is that the cleaning member 6 is a scraper 61, two ends of the scraper 61 are fixedly connected with rotating sleeves 62, the rotating sleeves 62 are coaxially arranged with the heating pipe 3, the housing 2 is provided with a driving member 1, and the driving member 1 is in transmission connection with one of the rotating sleeves 62.
The driving piece 1 comprises a motor 11 and a gear 12, the motor 11 is arranged outside the shell 2, the gear 12 stretches into the shell 2, the rotating sleeve 62 is arranged to improve the connection stability of the scraping plate 61 and the heating pipe 3, meanwhile, the gear ring 64 can be arranged on the periphery of the rotating sleeve 62 and meshed with the gear 12, the bearing 7 can be arranged between the rotating sleeve 62 and the heating pipe 3, the inner ring of the bearing 7 is fixed with the periphery of the heating pipe 3, and the outer ring of the bearing 7 is fixed with the rotating sleeve 62.
When the heating tube 3 is used, the motor 11 provides power, the rotating sleeve 62 is driven to rotate under the transmission action of the gear 12 and the gear ring 64, the bearing 7 can promote the stability of the connection between the rotating sleeve 62 and the heating tube 3, and meanwhile, the rotating sleeve 62 can rotate more smoothly; the rotating sleeve 62 drives the scraping plate 61 to rotate, so that sludge on the outer surface of the heating pipe 3 is scraped by the scraping plate 61, and the heating pipe 3 is cleaned.
As shown in fig. 5, a further improvement is that the cross-sectional shape of the scraper 61 along the radial direction of the spiral track is an isosceles trapezoid, and the bottom of the isosceles trapezoid is attached to the heating pipe 3.
The isosceles trapezoid structure makes the contact side surface area of the scraper 61 and the heating pipe 3 larger, reduces the probability of inclination of the scraper 61 under the action of pressure, and improves the stability of the scraper 61.
As shown in fig. 2 and 3, a further improvement is that a plurality of convex strips 65 are provided on both sides of the scraper 61, the convex strips 65 extend radially along the spiral track, and the convex strips 65 are equally spaced along the extending direction of the spiral track.
The arrangement of the raised strips 65 can further increase the contact surface area of the scraping plate 61 and the heating pipe 3, further improve the stability of the scraping plate 61, and simultaneously strengthen the structural strength of the scraping plate 61 through the raised strips 65, and meanwhile, when the scraping plate 61 rotates, the raised strips 65 can also push the sludge, so that the sludge and the scraping plate 61 are prevented from slipping, the raised strips 65 also have a certain sludge stirring effect, and the heat exchange efficiency between the sludge and the steam is improved.
In order to enhance the cleaning effect of the scraper 61 on the heating pipe 3, as shown in fig. 4 and 5, the side surface of the scraper 61, which is attached to the heating pipe 3, is a cleaning surface, and the cleaning surface is provided with cleaning strips 8, and the cleaning strips 8 are arranged along the extending direction of the spiral track.
The cleaning strip 8 can be a rubber strip, and the setting of the cleaning strip 8 can fill the gap between the scraping plate 61 and the heating pipe 3, so that the cleaning effect on the heating pipe 3 is improved, meanwhile, the mutual abrasion between the scraping plate 61 and the heating pipe 3 can be reduced, and the service life of equipment is prolonged.
As shown in fig. 5, a further improvement is that the cleaning surface is provided with a mounting groove 63 along the extending direction of the spiral track, and the cleaning strip 8 is in plug-in fit with the mounting groove 63.
The setting of mounting groove 63 has realized dismantling between cleaning strip 8 and the scraper blade 61 and has been connected, has promoted the convenience that cleaning strip 8 changed the maintenance.
In order to improve the heat exchange effect of the sludge and the steam, as shown in fig. 1, the shell 2 is of a hollow cylindrical structure, the axial lead of the shell 2 is coincident with that of the heating pipe 3, the feeding pipe 4 and the discharging pipe 5 are respectively communicated with two ends of the shell 2, and the feeding pipe 4 extends along the tangential direction of the shell 2.
The cylindrical shell 2 is matched with the heating pipe 3 in shape, so that the thickness of the sludge between the heating pipe 3 and the shell 2 is consistent, the uniformity of heating the sludge is improved, the sludge is input into the feeding pipe 4 along the tangential direction, a sludge path is separated from the path of the heating pipe 3, the sludge can rotate around the heating pipe 3, and the heating effect of the heating pipe 3 on the sludge is improved.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides an anaerobic tower mud return line heating device, includes shell (2), the inside heating pipe (3) that is provided with of shell (2), the both ends of heating pipe (3) all run through shell (2), shell (2) are provided with inlet pipe (4) and discharging pipe (5), its characterized in that:
the cleaning piece (6) extending along the spiral track is arranged in the shell (2), the axial lead of the spiral track is coincident with the axial lead of the heating pipe (3), and the cleaning piece (6) is arranged in a rotating mode around the axial lead of the cleaning piece.
2. The anaerobic tower sludge return line heating device according to claim 1, wherein the cleaning member (6) is a scraper (61), two ends of the scraper (61) are fixedly connected with rotating sleeves (62), the rotating sleeves (62) are coaxially arranged with the heating pipe (3), the housing (2) is provided with a driving member (1), and the driving member (1) is in transmission connection with one of the rotating sleeves (62).
3. The anaerobic tower sludge return line heating apparatus according to claim 2, wherein the cross-sectional shape of the scraper (61) along the radial direction of the spiral track is an isosceles trapezoid, and the bottom of the isosceles trapezoid is attached to the heating pipe (3).
4. A device for heating a sludge return line of an anaerobic tower according to claim 3, wherein a plurality of raised strips (65) are provided on both sides of the scraper (61), the raised strips (65) extend radially along the spiral track, and the raised strips (65) are distributed at equal intervals along the extending direction of the spiral track.
5. A device for heating an anaerobic tower sludge return line according to claim 3, wherein the side surface of the scraper (61) attached to the heating pipe (3) is a cleaning surface, the cleaning surface is provided with a cleaning strip (8), and the cleaning strip (8) is arranged along the extending direction of the spiral track.
6. The anaerobic tower sludge return line heating apparatus according to claim 5, wherein the cleaning surface is provided with a mounting groove (63) along the extending direction of the spiral track, and the cleaning strip (8) is in plug-in fit with the mounting groove (63).
7. The anaerobic tower sludge return pipeline heating device according to claim 1, wherein the shell (2) is of a hollow cylindrical structure, the axial lead of the shell (2) coincides with the axial lead of the heating pipe (3), and the feeding pipe (4) and the discharging pipe (5) are respectively communicated with two ends of the shell (2).
8. The anaerobic tower sludge return line heating apparatus according to claim 7 wherein the feed pipe (4) is provided extending tangentially to the housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321883144.7U CN220555654U (en) | 2023-07-17 | 2023-07-17 | Anaerobic tower sludge return pipeline heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321883144.7U CN220555654U (en) | 2023-07-17 | 2023-07-17 | Anaerobic tower sludge return pipeline heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220555654U true CN220555654U (en) | 2024-03-05 |
Family
ID=90050123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321883144.7U Active CN220555654U (en) | 2023-07-17 | 2023-07-17 | Anaerobic tower sludge return pipeline heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220555654U (en) |
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2023
- 2023-07-17 CN CN202321883144.7U patent/CN220555654U/en active Active
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