CN216062148U - Two heavy pond dross remove device - Google Patents
Two heavy pond dross remove device Download PDFInfo
- Publication number
- CN216062148U CN216062148U CN202121152235.4U CN202121152235U CN216062148U CN 216062148 U CN216062148 U CN 216062148U CN 202121152235 U CN202121152235 U CN 202121152235U CN 216062148 U CN216062148 U CN 216062148U
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- CN
- China
- Prior art keywords
- scum
- slag
- sedimentation tank
- secondary sedimentation
- collecting hopper
- Prior art date
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- 239000002893 slag Substances 0.000 claims abstract description 100
- 238000007790 scraping Methods 0.000 claims abstract description 57
- 238000004062 sedimentation Methods 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000013049 sediment Substances 0.000 description 14
- 239000010802 sludge Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model discloses a scum removing device for a secondary sedimentation tank, which comprises a walking bridge rotatably connected to the secondary sedimentation tank, wherein at least one group of scum scraping parts are connected below the walking bridge, and a scum collecting hopper matched with a scum board is arranged in the secondary sedimentation tank; the slag scraping part comprises a slag scraping rod and a slag scraping plate which are fixedly connected with the walking bridge, a slag scraping support rod is fixedly connected between the slag scraping rod and the slag scraping plate, and a movable rod rack is arranged on the slag scraping support rod; the slag collecting hopper is connected with a movable baffle plate in a sliding mode up and down along the rotating front end of the walking bridge, the slag collecting hopper is fixedly connected with a transmission shaft used for driving the movable baffle plate to move, a gear connected with a movable rod in a rack meshing mode is arranged on the transmission shaft, a slag collecting hopper slag discharging port is formed in the slag collecting hopper, a slag scraping plate and a slag scraping supporting rod are arranged at the outermost end of the slag scraping portion, when the slag scraping supporting rod passes through the movable baffle plate, the movable baffle plate moves downwards under the driving of the gear, scum flows into the slag collecting hopper and is discharged out, and the problem that the scum is difficult to enter the slag collecting hopper due to the fact that an inclined plate of the slag collecting hopper is higher than the liquid level is solved.
Description
Technical Field
The utility model relates to the technical field of water treatment equipment, in particular to a scum removing device for a secondary sedimentation tank.
Background
With the continuous development of industrial technology in China and the continuous improvement of the living standard of people, the pollution of water is intensified, and the water pollution is paid more and more attention. In the water treatment process technology, a secondary sedimentation tank is an important component of an activated sludge system, and has the main functions of separating mud and water, clarifying, concentrating and refluxing the mixed liquid with the activated sludge, and the working effect can directly influence the effluent quality and the concentration of the refluxed sludge of the activated sludge system.
However, in the process of secondary sedimentation in actual operation, scum is easy to appear on the water surface due to various reasons, if the scum is not cleaned in time, the surface of the secondary sedimentation tank can be covered by the scum, the quality of effluent water is affected, the conventional scum disposal mode is that the scum is driven to rotate by a walking electric drive walking bridge, so that a mud scraper is driven to push the scum to a scum collecting hopper close to the side of the tank, but the scum is difficult to enter the scum collecting hopper due to the fact that the sloping plate of the scum collecting hopper is higher than the liquid level.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a scum removing device for a secondary sedimentation tank, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a scum removing device for a secondary sedimentation tank comprises a walking bridge which is rotationally connected to the secondary sedimentation tank, wherein at least one group of scum scraping parts are connected below the walking bridge, and a scum collecting hopper matched with a scum board is arranged in the secondary sedimentation tank;
the slag scraping part comprises a slag scraping rod and a slag scraping plate which are fixedly connected with the walking bridge, a slag scraping support rod is fixedly connected between the slag scraping rod and the slag scraping plate, and a movable rod rack is arranged on the slag scraping support rod;
the slag collecting hopper is arranged on the walking bridge and is provided with a movable baffle plate in an up-and-down sliding connection mode, the slag collecting hopper is fixedly connected with a transmission shaft used for driving the movable baffle plate to move, a gear connected with the movable rod in a rack meshing mode is arranged on the transmission shaft, and a slag collecting hopper slag discharging opening is formed in the slag collecting hopper.
As a further scheme of the utility model: the movable rod is movably connected to the slag scraping supporting rod, the movable rod rack is located at the upper end of the movable rod, a groove is formed in the slag scraping supporting rod, a protruding strip begins to be arranged on the movable rod, and the protruding strip is connected in the groove in a sliding mode.
As a further scheme of the utility model: the front end of the slag collecting hopper is of an open structure, the movable baffle is connected to the opening of the slag collecting hopper in a vertically sliding mode through the sliding groove, and a reset spring is arranged between the lower end of the movable baffle and the slag collecting hopper.
As a further scheme of the utility model: the transmission shaft is rotatably connected to the front end of the slag collecting hopper, a driving gear is fixedly connected to the transmission shaft, a movable baffle rack is arranged on the movable baffle, and the movable baffle rack is meshed with the driving gear.
As a further scheme of the utility model: the upper end of the slag collecting hopper is not lower than the water surface in the secondary sedimentation tank.
As a further scheme of the utility model: the slag discharging opening of the slag collecting hopper is connected with a slag discharging pipe of the slag collecting hopper, and the slag discharging pipe is provided with a pneumatic valve.
As a further scheme of the utility model: the pneumatic valve is connected with an electric air pump through an air pipe, the air pipe is provided with an electromagnetic valve, one side of the slag collecting hopper is provided with a contact type limit switch used for controlling the electromagnetic valve and the electric air pump, the contact type limit switch is provided with a limit switch operating rod and is connected with a power supply, a control circuit groove is formed in the slag collecting hopper, and the electromagnetic valve, the electric air pump and the power supply are all located in the control circuit groove.
As a further scheme of the utility model: the slag scraping plate is located on the outer side of the slag scraping rod, the slag scraping plate is located on the rear side of the slag scraping rod, and the slag scraping plate and the slag collecting hopper are located on the same circumference.
As a further scheme of the utility model: the middle of the walking bridge is provided with a rotating shaft, the secondary sedimentation tank is provided with a secondary sedimentation tank wall, walking bridge supports are arranged at two ends of the walking bridge, a walking motor is arranged at the lower end of each walking bridge support, and the walking motor is located at the upper end of the secondary sedimentation tank wall.
As a further scheme of the utility model: a scum baffle is arranged in the secondary sedimentation tank, the scum collecting hopper is fixedly connected to the inner side of the scum baffle, an inner water outlet plate and an outer water outlet plate are arranged between the scum baffle and the wall of the secondary sedimentation tank, and a water outlet and a water drainage tank are arranged on the wall of the secondary sedimentation tank.
Compared with the prior art, the utility model has the beneficial effects that:
according to the slag scraping device, the outermost end of the slag scraping part is provided with the slag scraping plate and the slag scraping support rod, when the slag scraping support rod passes through the movable baffle plate, the movable baffle plate moves downwards under the driving of the gear, and scum flows into the slag collecting hopper to be discharged, so that the problem that the scum is difficult to enter the slag collecting hopper because the inclined plate of the slag collecting hopper is higher than the liquid level at present is solved; when the slag is not discharged, the movable baffle is in a closed state, so that the loss of liquid in the secondary sedimentation tank can be effectively reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural view of a slag collecting hopper according to the present embodiment;
FIG. 3 is a schematic structural view of the slag scraping support rod of the present embodiment;
FIG. 4 is a schematic view of the movable rod of the present embodiment;
fig. 5 is a schematic structural view of the movable baffle of the embodiment.
In the figure: 1-slag scraping support rod, 2-movable rod, 3-raised strip, 4-movable rod rack, 5-gear, 6-fixed strip, 7-movable baffle, 8-movable baffle rack, 9-transmission shaft, 10-slag collecting hopper slag discharging port, 11-pneumatic valve, 12-slag collecting hopper, 13-slag collecting hopper slag discharging pipe, 14-expansion spring, 15-air pipe, 16-solenoid valve, 17-electric air pump, 18-contact limit switch, 19-power supply, 20-limit switch operating rod, 21-groove, 22-slag scraping rod, 23-rotating shaft, 24-walking bridge, 25-slag baffle, 26-slag scraping plate, 27-internal water outlet plate, 28-external water outlet plate, 29-secondary sedimentation tank wall, 30-walking motor, 31-walking bridge support, 32-water outlet and water discharge groove, 33-control circuit groove.
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.
Referring to fig. 1-5, in an embodiment of the present invention, a scum removing apparatus for a secondary sedimentation tank includes a traveling bridge 24 rotatably connected to the secondary sedimentation tank, at least one set of scum scraping parts is connected below the traveling bridge 24, in this embodiment, two sets of scum scraping parts are provided, a scum collecting hopper 12 matched with a scum board is provided in the secondary sedimentation tank, and the upper end of the scum collecting hopper 12 is not lower than the water level in the secondary sedimentation tank.
The middle part of the walking bridge 24 is provided with a rotating shaft 23, the secondary sedimentation tank is provided with a secondary sedimentation tank wall 29, both ends of the walking bridge 24 are provided with walking bridge supports 31, the lower end of each walking bridge support 31 is provided with a walking motor 30, the walking motor 30 is positioned at the upper end of the secondary sedimentation tank wall 29, the secondary sedimentation tank is internally provided with a scum baffle 25, the scum hopper 12 is fixedly connected to the inner side of the scum baffle 25, an inner water outlet plate 27 and an outer water outlet plate 28 are arranged between the scum baffle 25 and the secondary sedimentation tank wall 29, and the secondary sedimentation tank wall 29 is provided with a water outlet and a water drainage tank 32.
Scrape sediment portion include with 24 fixed connection's of walking bridge scrape sediment pole 22, scrape slag scraper 26, scrape sediment pole 22 and scrape fixedly connected with between the slag scraper 26 and scrape sediment branch 1, scrape the outside that the slag scraper 26 is located and scrape sediment pole 22, scrape the rear side that the slag scraper 26 is located and scrape sediment pole 22, scrape the sediment board 26 and fight 12 with the collection and be located same circumference, in this embodiment, scrape sediment board 26 and scrape sediment pole 22 parallel arrangement, scrape sediment branch 1 and scrape sediment pole 22 and arrange perpendicularly, scrape and be equipped with movable rod rack 4 on the sediment branch 1, scrape swing joint has movable rod 2 on the sediment branch 1, movable rod rack 4 is located the 2 upper ends of movable rod, scrape and set up fluted 21 on the sediment branch 1, begin to have sand grip 3 on the movable rod 2, sand grip 3 sliding connection is in recess 21.
The front end of the slag collecting hopper 12 rotating along the walking bridge 24 is connected with a movable baffle 7 in an up-and-down sliding manner, the front end of the slag collecting hopper 12 is of an open structure, the movable baffle 7 is connected with the opening of the slag collecting hopper 12 in an up-and-down sliding manner through a chute, a reset spring 14 is arranged between the lower end of the movable baffle 7 and the slag collecting hopper 12, a transmission shaft 9 for driving the movable baffle 7 to move is fixedly connected onto the slag collecting hopper 12, a gear 5 meshed with a movable rod rack 4 is arranged on the transmission shaft 9, the transmission shaft 9 is rotationally connected with the front end of the slag collecting hopper 12, a driving gear is fixedly connected onto the transmission shaft 9, a movable baffle rack 8 is arranged on the movable baffle 7, the movable baffle rack 8 is meshed with the driving gear, a slag collecting hopper discharge opening 10 is arranged in the slag collecting hopper 12, a pneumatic valve 11 is arranged in the slag collecting hopper discharge opening 10, a slag collecting hopper discharge pipe 13 is connected onto the slag hopper discharge opening 10, the pneumatic valve 11 is connected with an electric air pump 17 through an air pipe 15, the air pipe 15 is provided with an electromagnetic valve 16, one side of the slag collecting hopper 12 is provided with a contact type limit switch 18 for controlling the electromagnetic valve 16 and the electric air pump 17, the contact type limit switch 18 is provided with a limit switch operating rod 20, the contact type limit switch 18 is connected with a power supply 19, the slag collecting hopper 12 is provided with a control circuit groove 33, and the electromagnetic valve 16, the electric air pump 17 and the power supply 19 are all positioned in the control circuit groove 33.
When the utility model is used, the walking motor 30 drives the walking bridge 24 to rotate, the walking bridge 24 rotates to drive the scum scraping rod 22 and the scum scraping plate 26 below the walking bridge to rotate, further, scum in a secondary sedimentation tank is scraped, under the action of centrifugal force, the scum is concentrated in a movable groove formed by the scum scraping plate 26, the scum scraping rod 1 and a scum baffle 25, when the walking bridge 24 rotates to the position of a scum hopper 12, the scum scraping rod 1 passes through one side of the scum hopper 12 to drive the scum scraping rod 1 to be provided with a movable rod 2 with a gear, the movable rod 2 adjusts the height of the groove 21 formed on the scum scraping rod 1 up and down through a convex strip 3, the movable rod rack 4 is ensured to be just matched with the gear 5 on the transmission shaft 9, when the scum scraping rod 1 passes through the lower part of the transmission shaft 9, the movable rod rack 4 drives the gear 5 on the transmission shaft 9 to rotate, and finally drives the movable baffle 7 provided with the rack to open downwards, the front end of the movable rod 2 is in contact with the contact type limit switch 18 and then is powered on, the electromagnetic valve 16 and the electric air pump 17 start to work, and the pneumatic valve 11 is driven to be opened, scum is discharged through the scum collecting hopper deslagging port 10, after the movable rod rack 4 on the movable rod 2 leaves the gear 5 outside the transmission shaft 9, the movable baffle 7 is lifted to the original position again by the spring compressed at the bottom until being closed, waiting for the next opening, when the movable rod 2 is in contact with the limit switch operating rod 20 on the contact type limit switch 18, the circuit power supply is disconnected, the electromagnetic valve 16 and the electric air pump 17 stop working, the pneumatic valve 11 is automatically closed, the movable baffle 7 can be guaranteed to be not closed tightly, and unnecessary loss of liquid in a secondary sedimentation tank outside the scum collecting hopper 12 is caused. Therefore, the scum can be effectively discharged in time, and the scum can be discharged to a scum return pump room or a biochemical reaction tank in time when the scum is lost so as to supplement the amount of microorganisms of a biochemical system.
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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A scum removing device of a secondary sedimentation tank comprises a walking bridge (24) which is rotationally connected with the secondary sedimentation tank, and is characterized in that at least one group of scum scraping parts are connected below the walking bridge (24), and a scum collecting hopper (12) matched with the scum scraping parts is arranged in the secondary sedimentation tank;
the slag scraping part comprises a slag scraping rod (22) and a slag scraping plate (26) which are fixedly connected with a walking bridge (24), a slag scraping support rod (1) is fixedly connected between the slag scraping rod (22) and the slag scraping plate (26), and a movable rod rack (4) is arranged on the slag scraping support rod (1);
slag collection fill (12) are followed walking bridge (24) pivoted front end is sliding connection has adjustable fender (7) from top to bottom, fixedly connected with is used for driving on slag collection fill (12) transmission shaft (9) of adjustable fender (7) motion, be equipped with on transmission shaft (9) with gear (5) that movable rod rack (4) meshing is connected, set up slag collection fill slag discharging opening (10) in slag collection fill (12).
2. The secondary sedimentation tank scum removing device according to claim 1, wherein the scum scraping support rod (1) is movably connected with a movable rod (2), the movable rod rack (4) is positioned at the upper end of the movable rod (2), a groove (21) is formed in the scum scraping support rod (1), a convex strip (3) is formed in the movable rod (2), and the convex strip (3) is slidably connected in the groove (21).
3. The dross removing device of claim 1, wherein the front end of the dross collecting hopper (12) is an open structure, the movable baffle (7) is connected to the open of the dross collecting hopper (12) in a sliding manner up and down through a chute, and a return spring (14) is arranged between the lower end of the movable baffle (7) and the dross collecting hopper (12).
4. The scum removal device of the secondary sedimentation tank as defined in claim 1, wherein the transmission shaft (9) is rotatably connected to the front end of the scum hopper (12), a driving gear is fixedly connected to the transmission shaft (9), a movable baffle rack (8) is arranged on the movable baffle (7), and the movable baffle rack (8) is meshed with the driving gear.
5. The dross removal apparatus of claim 1, wherein the upper end of the dross collecting hopper (12) is not lower than the water level in the secondary sedimentation tank.
6. The dross removal apparatus of claim 1, wherein the dross discharge port (10) of the dross collecting hopper is connected with a dross discharge pipe (13) of the dross collecting hopper, and the dross discharge pipe (13) is provided with a pneumatic valve (11).
7. The secondary sedimentation tank scum removing device according to claim 6, wherein the pneumatic valve (11) is connected with an electric air pump (17) through an air pipe (15), the air pipe (15) is provided with an electromagnetic valve (16), one side of the scum collection hopper (12) is provided with a contact type limit switch (18) for controlling the electromagnetic valve (16) and the electric air pump (17), the contact type limit switch (18) is provided with a limit switch operating rod (20), the contact type limit switch (18) is connected with a power supply (19), the scum collection hopper (12) is provided with a control circuit groove (33), and the electromagnetic valve (16), the electric air pump (17) and the power supply (19) are all located in the control circuit groove (33).
8. A secondary sedimentation tank dross removal apparatus according to claim 1, wherein the scraper bar (26) is located outside the scraper bar (22), the scraper bar (26) is located behind the scraper bar (22), and the scraper bar (26) and the collection hopper (12) are located on the same circumference.
9. The scum removing device for the secondary sedimentation tank according to claim 1, wherein the rotating shaft (23) is arranged in the middle of the traveling bridge (24), the secondary sedimentation tank is provided with a secondary sedimentation tank wall (29), traveling bridge supports (31) are arranged at both ends of the traveling bridge (24), a traveling motor (30) is arranged at the lower end of each traveling bridge support (31), and the traveling motor (30) is arranged at the upper end of the secondary sedimentation tank wall (29).
10. The scum removal device of claim 9, wherein a scum baffle (25) is arranged in the secondary sedimentation tank, the scum hopper (12) is fixedly connected to the inner side of the scum baffle (25), an inner water outlet plate (27) and an outer water outlet plate (28) are arranged between the scum baffle (25) and the secondary sedimentation tank wall (29), and a water outlet and a water drainage groove (32) are arranged on the secondary sedimentation tank wall (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121152235.4U CN216062148U (en) | 2021-05-26 | 2021-05-26 | Two heavy pond dross remove device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121152235.4U CN216062148U (en) | 2021-05-26 | 2021-05-26 | Two heavy pond dross remove device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216062148U true CN216062148U (en) | 2022-03-18 |
Family
ID=80662769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121152235.4U Active CN216062148U (en) | 2021-05-26 | 2021-05-26 | Two heavy pond dross remove device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216062148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121466647A (en) * | 2026-01-08 | 2026-02-06 | 湖南恒凯环保科技投资有限公司 | A device for cleaning scum from a secondary sedimentation tank in wastewater treatment |
-
2021
- 2021-05-26 CN CN202121152235.4U patent/CN216062148U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121466647A (en) * | 2026-01-08 | 2026-02-06 | 湖南恒凯环保科技投资有限公司 | A device for cleaning scum from a secondary sedimentation tank in wastewater treatment |
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