CN211896333U - Convenient mud gravity concentration pond of dross clearance - Google Patents
Convenient mud gravity concentration pond of dross clearance Download PDFInfo
- Publication number
- CN211896333U CN211896333U CN202020215749.9U CN202020215749U CN211896333U CN 211896333 U CN211896333 U CN 211896333U CN 202020215749 U CN202020215749 U CN 202020215749U CN 211896333 U CN211896333 U CN 211896333U
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- gravity
- scum
- pond
- box
- sludge
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- 230000005484 gravity Effects 0.000 title claims abstract description 81
- 239000010802 sludge Substances 0.000 claims abstract description 51
- 239000010865 sewage Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000008719 thickening Effects 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 239000002893 slag Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000003818 cinder Substances 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Removal Of Floating Material (AREA)
Abstract
The utility model relates to a convenient mud gravity thickening pond of dross clearance relates to the technical field of sewage treatment, and it includes the gravity pond, the bottom of gravity pond is equipped with the mud export, gravity pond center department is equipped with the (mixing) shaft, the (mixing) shaft is driven through the drive arrangement who installs in the gravity pond top, be equipped with the grid on the (mixing) shaft, still be equipped with the dross box on the gravity pond lateral wall, the dross box is located sewage top, be equipped with the filter plate in the dross box, four sides of filter plate respectively with the inner wall of dross box with the inner wall butt of gravity pond; the side wall of the scum box is provided with a scum inlet, the scum inlet is communicated with a second water pump, the second water pump is communicated with sewage through a water pipe, and the water pipe is higher than the sludge. The utility model discloses have and promote scum cleaning efficiency, reduce the moisture that contains in the dross, the transportation of the dross of being convenient for and the effect of processing.
Description
Technical Field
The utility model belongs to the technical field of the sewage treatment technique and specifically relates to a convenient mud gravity concentration tank is cleared up to dross.
Background
The water content of the sludge generated in the wastewater treatment process is very high, so the volume of the sludge is large, and the treatment, utilization and transportation of the sludge are difficult. The sludge is thickened after the sludge is concentrated, the water content of the sludge is reduced, and the volume of the sludge is greatly reduced, so that the investment of other engineering measures can be greatly reduced.
The sludge concentration method comprises three common methods of gravity concentration, air flotation concentration and centrifugal concentration. The gravity concentration process is simple, the operation cost is low, and the gravity concentration process is most widely used in sewage plants at present. The gravity concentration tank is a common device for sludge gravity concentration, is generally constructed by water-tight reinforced concrete and is provided with a sludge inlet pipe, a sludge discharge pipe and a supernatant discharge pipe. The purpose of the thickening tank is to reduce the volume of sludge to be stabilized, dewatered, disposed of or discarded.
Chinese patent with publication number CN205774019U discloses a sludge gravity concentration tank, which comprises a circular tank, a scum scraper and a scum groove, wherein a sludge inlet pipe extends into the circular tank by half of the depth, an overflow weir is arranged at the edge of the upper part of the circular tank, a sludge discharge hopper and a sludge discharge pipe are arranged at the lower part of the circular tank, the scum scraper rotating around the sludge inlet pipe is arranged on the sludge inlet pipe, the scum groove matched with the scum scraper is also arranged at the edge of the upper part of the circular tank, and a plurality of sludge thickeners with grid bars are arranged in the circular tank.
The above prior art solutions have the following drawbacks: scum is only scraped by a scum scraper in a rotating way and is discharged out of the pool; in the scum removing mode, moisture is inevitably mixed in the scum, the scum with the moisture not only needs to be further dehydrated in the later period, but also the scum containing the moisture is troublesome to transport.
SUMMERY OF THE UTILITY MODEL
According to the not enough of prior art existence, the utility model aims at providing a convenient mud gravity concentration pond of dross clearance has the dross and gets rid of efficiently, and the dross contains moisture less, the effect of the transportation and the processing of being convenient for.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a sludge gravity concentration tank convenient for scum cleaning comprises a gravity tank, wherein a sludge outlet is formed in the bottom of the gravity tank, a stirring shaft is arranged in the center of the gravity tank and is driven by a driving device arranged above the gravity tank, grid bars are arranged on the stirring shaft, a scum box is further arranged on the side wall of the gravity tank and is positioned above sewage, a filter plate is arranged in the scum box, and four side surfaces of the filter plate are respectively abutted against the inner wall of the scum box and the inner wall of the gravity tank;
the side wall of the scum box is provided with a scum inlet, the scum inlet is communicated with a second water pump, the second water pump is communicated with sewage through a water pipe, and the water pipe is higher than the sludge.
Through adopting above-mentioned technical scheme, the sewage and the dross of mud top get into the dross box from advancing the cinder notch to drop on the filter plate, sewage passes from the filter plate, flow back to in the gravity pond, the dross is then held back on the filter plate, carries out the dross clearance through the mode of second water pump extraction, and dross cleaning efficiency is higher, and the setting of filter plate then can make the moisture in the dross reduce, the transportation and the processing of being convenient for.
The present invention may be further configured in a preferred embodiment as: be equipped with on the roof of scum box and drive actuating cylinder, drive actuating cylinder's piston rod with filter plate fixed connection, the filter plate with one side of the lateral wall butt in gravity pond articulates there is the baffle, when the baffle is in vertical state, with the lateral wall butt of filter plate, be equipped with on the lateral wall in gravity pond with the scum groove that baffle length is unanimous, the height in scum groove is greater than the height of baffle, the filter plate orientation the scum groove is the trend of gradually lowering.
Through adopting above-mentioned technical scheme, after having accumulated not few dross on the filter plate, drive actuating cylinder and drive the filter plate and rise, when the bottom surface that highly is higher than the dross groove of filter plate, the baffle falls down automatically, and the dross falls out the dross groove from the filter plate, realizes the transfer of dross, the transportation and the processing of the dross of being convenient for.
The present invention may be further configured in a preferred embodiment as: and a material collecting box is arranged on the side wall of the gravity pool and is positioned below the scum groove.
By adopting the technical scheme, the scum of the material receiving box is convenient to transport and treat.
The present invention may be further configured in a preferred embodiment as: and the stirring shaft is provided with helical blades which are positioned below the grid bars.
Through adopting above-mentioned technical scheme, helical blade can be convenient for with mud direction mud export, the discharge of the mud of being convenient for promotes mud exhaust efficiency.
The present invention may be further configured in a preferred embodiment as: and an overflow port is also arranged on the side wall of the gravity tank, and the overflow port is lower than the scum groove.
Through adopting above-mentioned technical scheme, when the sewage in the gravity tank was too high, spill over from the overflow mouth, reduce the possibility that sewage spills out the gravity tank.
The present invention may be further configured in a preferred embodiment as: one side in gravity pond still is equipped with vice pond, the overflow mouth with vice pond intercommunication, on the vice pond through the inlet pipe with gravity pond intercommunication.
Through adopting above-mentioned technical scheme, sewage introduces the auxiliary tank earlier, introduces the gravity pond from the auxiliary tank again, and the auxiliary tank can play the effect of temporary storage when the gravity pond treatment rate is slower, reduces because of sewage is excessive, and then overflows the possibility in gravity pond.
The present invention may be further configured in a preferred embodiment as: and a pore plate is arranged in the overflow port.
By adopting the technical scheme, the pore plate can filter the scum, and the possibility that the scum enters the auxiliary tank is reduced.
The present invention may be further configured in a preferred embodiment as: the sludge outlet is in an inverted cone shape.
By adopting the technical scheme, the inverted cone-shaped sludge outlet is convenient for discharging sludge.
To sum up, the utility model discloses a following at least one useful technological effect:
1. through the arrangement of the scum box, the second water pump and the filter plate, the effects of improving the scum cleaning efficiency, reducing the moisture contained in scum and facilitating the transportation and treatment of the scum can be achieved;
2. through the arrangement of the driving cylinder, the baffle plate, the filter plate, the scum groove and the material receiving box, the scum can be conveniently transferred, and the scum is further conveniently treated and transported;
3. through the setting of overflow mouth, auxiliary tank and inlet pipe, can play interim deposit sewage, reduce the possible effect that sewage spills over the gravity pond.
Drawings
Fig. 1 is a schematic structural diagram for embodying the whole in this embodiment.
Fig. 2 is a schematic sectional structure diagram for embodying the scum box and the stirring shaft in the present embodiment.
In the figure, 1, a gravity tank; 11. a sludge outlet; 12. an overflow port; 121. an orifice plate; 13. a water outlet; 14. a scum trough; 15. a material receiving box; 16. a drive device; 2. a stirring shaft; 21. grid bars; 22. a helical blade; 3. a scum box; 31. filtering the plate; 311. a baffle plate; 32. a driving cylinder; 33. a second water pump; 34. a slag inlet; 4. a secondary pool; 41. a feed pipe; 42. a first water pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1, the utility model discloses a convenient mud gravity concentration pond of dross clearance, including gravity pond 1 and vice pond 4, vice pond 4 and gravity pond 1 are through inlet pipe 41 intercommunication, and vice pond 4 is discharged earlier to sewage, gets into gravity pond 1 from vice pond 4 again, and when blockking up appeared in reducible gravity pond 1, the possibility of sewage nowhere discharging. The feeding pipe 41 is provided with a first water pump 42 for pumping the sewage in the secondary tank 4 into the gravity tank 1.
Referring to fig. 1 and 2, a sludge outlet 11 is formed at the bottom of the gravity tank 1 and used for discharging sludge, and the sludge outlet 11 is in an inverted cone shape and is convenient for discharging sludge. A water outlet 13 is arranged on the side wall of the gravity and is used for discharging relatively clear sewage between the scum and the sludge; the side wall of the gravity tank 1 is also provided with an overflow port 12, and the overflow port 12 is positioned at the top of the gravity tank 1 and is communicated with the auxiliary tank 4, so that the possibility that sewage overflows out of the gravity tank 1 is reduced; an orifice 121 is arranged in the overflow port 12 and is used for preventing scum on the surface of the sewage from entering the secondary tank 4.
Referring to fig. 1 and 2, a stirring shaft 2 is arranged at the center of the gravity tank 1, a driving device 16 is arranged on the top wall of the gravity tank 1, the driving device 16 is used for driving the stirring shaft 2 to rotate, and the driving device 16 can adopt a driving motor. The stirring shaft 2 is sequentially provided with grid bars 21 and helical blades 22 from top to bottom, the grid bars 21 rotate along with the stirring shaft 2 to stir the sludge, and the separation of interstitial water and sludge particles is facilitated. The helical blades 22 can guide the sludge into the sludge outlet 11 when rotating along with the stirring shaft 2, so that the sludge can be conveniently discharged.
Referring to fig. 1 and 2, in order to rapidly clean scum, a scum box 3 is further disposed in the gravity tank 1, a filter plate 31 is disposed in the scum box 3, and four sides of the filter plate 31 are respectively abutted against the inner wall of the scum box 3 and the inner wall of the gravity tank 1 to filter scum. A slag inlet 34 is arranged on the side wall of the scum box 3 and is used for sewage and scum to enter; the slag inlet 34 is communicated with a second water pump 33, the second water pump 33 is connected into sewage through a water pipe to extract the sewage, and the water pipe is higher than the sludge, so that the possibility of sucking the sludge is reduced. A driving cylinder 32 is fixed on the top wall of the filter box, a piston rod of the driving cylinder 32 is fixedly connected with the filter plate 31, and the piston rod of the driving cylinder 32 extends out and retracts to drive the filter plate 31 to ascend and descend. The side face of the filter plate 31, which is abutted against the inner wall of the gravity tank 1, is hinged with a baffle 311, the side wall of the gravity tank 1 is also provided with a scum groove 14, the length of the scum groove 14 is consistent with that of the baffle 311, the height of the scum groove 14 is greater than that of the baffle 311 for scum transfer, and a material receiving box 15 is further installed below the scum groove 14 for scum collection.
Referring to fig. 2, when the scum on the filter plates 31 is accumulated to a certain amount, the driving cylinder 32 drives the filter plates 31 to move upwards, and when the bottom surfaces of the filter plates 31 are higher than the ground surface of the scum groove 14, the baffle 311 falls towards the collecting box 15, and the scum falls into the collecting box 15 from the filter plates 31. The filter plate 31 is gradually lowered toward the material receiving box 15, and the scum automatically falls toward the material receiving box 15 under the action of gravity. After the scum transfer is completed, the driving cylinder 32 drives the filter plate 31 to move downwards, the baffle 311 abuts against the side wall of the gravity tank 1 to enable the gravity tank to gradually return to a vertical state, and at the moment, two sides of the baffle 311 abut against the filter plate 31 and the side wall of the gravity tank 1 respectively. The height of the scum trough 14 is higher than that of the overflow port 12, so that the possibility of sewage overflowing from the scum trough 14 is reduced.
The implementation principle of the above embodiment is as follows: sewage is discharged into the auxiliary tank 4 and then enters the gravity tank 1 from the auxiliary tank 4 through the first water pump 42; then the driving device 16 is started to drive the stirring shaft 2 to rotate, the stirring shaft 2 drives the grid bars 21 to rotate, separation of water in gaps and sludge particles is accelerated, and meanwhile the helical blades 22 assist sludge to be discharged out of the gravity tank 1. Meanwhile, the second water pump 33 pumps the relatively clear sewage and the scum into the scum box 3, the scum is trapped by filtering through the filter plate 31, and after the scum on the filter plate 31 reaches a certain amount, the air cylinder 32 is driven to drive the filter plate 31 to move upwards, so that the scum is transferred into the material receiving box 15.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a convenient mud gravity thickening pond of dross clearance, includes gravity pond (1), the bottom in gravity pond (1) is equipped with sludge outlet (11), gravity pond (1) center department is equipped with (mixing) shaft (2), (mixing) shaft (2) through install in drive arrangement (16) the drive of gravity pond (1) top, be equipped with grid (21), its characterized in that on (mixing) shaft (2): the side wall of the gravity tank (1) is also provided with a scum box (3), the scum box (3) is positioned above sewage, a filter plate (31) is arranged in the scum box (3), and four side surfaces of the filter plate (31) are respectively abutted against the inner wall of the scum box (3) and the inner wall of the gravity tank (1);
the side wall of the scum box (3) is provided with a scum inlet (34), the scum inlet (34) is communicated with a second water pump (33), the second water pump (33) is communicated with sewage through a water pipe, and the water pipe is higher than sludge.
2. The gravity sludge thickening tank of claim 1, wherein: be equipped with on the roof of scum box (3) and drive actuating cylinder (32), the piston rod that drives actuating cylinder (32) with filter plate (31) fixed connection, filter plate (31) with one side of the lateral wall butt of gravity pond (1) articulates there is baffle (311), when baffle (311) are in vertical state, with the lateral wall butt of filter plate (31), be equipped with on the lateral wall of gravity pond (1) with the scum groove (14) of baffle (311) length unanimity, the height in scum groove (14) is greater than the height of baffle (311), filter plate (31) orientation scum groove (14) are the trend of gradually lowering.
3. The gravity sludge thickening tank of claim 2, wherein: and a material collecting box (15) is arranged on the side wall of the gravity pool (1), and the material collecting box (15) is positioned below the scum groove (14).
4. The gravity sludge thickening tank of claim 3, wherein: the stirring shaft (2) is provided with helical blades (22), and the helical blades (22) are positioned below the grid bars (21).
5. The gravity sludge thickening tank of claim 4, wherein: an overflow port (12) is further arranged on the side wall of the gravity tank (1), and the overflow port (12) is lower than the scum trough (14).
6. The gravity sludge thickening tank of claim 5, wherein: one side of gravity pond (1) still is equipped with vice pond (4), overflow mouth (12) with vice pond (4) intercommunication, on vice pond (4) through inlet pipe (41) with gravity pond (1) intercommunication.
7. The gravity sludge thickening tank of claim 6, wherein: a pore plate (121) is arranged in the overflow port (12).
8. The gravity sludge thickening tank of claim 1, wherein: the sludge outlet (11) is in an inverted cone shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020215749.9U CN211896333U (en) | 2020-02-26 | 2020-02-26 | Convenient mud gravity concentration pond of dross clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020215749.9U CN211896333U (en) | 2020-02-26 | 2020-02-26 | Convenient mud gravity concentration pond of dross clearance |
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| Publication Number | Publication Date |
|---|---|
| CN211896333U true CN211896333U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020215749.9U Active CN211896333U (en) | 2020-02-26 | 2020-02-26 | Convenient mud gravity concentration pond of dross clearance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005465A (en) * | 2021-02-25 | 2021-06-22 | 上海金厦实业有限公司 | Acid pickling module for galvanizing line barrel plating process |
| CN113716719A (en) * | 2021-08-25 | 2021-11-30 | 江苏晟益建筑安装工程有限公司 | Rainwater recycling type rainwater well structure |
-
2020
- 2020-02-26 CN CN202020215749.9U patent/CN211896333U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005465A (en) * | 2021-02-25 | 2021-06-22 | 上海金厦实业有限公司 | Acid pickling module for galvanizing line barrel plating process |
| CN113716719A (en) * | 2021-08-25 | 2021-11-30 | 江苏晟益建筑安装工程有限公司 | Rainwater recycling type rainwater well structure |
| CN113716719B (en) * | 2021-08-25 | 2023-04-21 | 江苏晟益建筑安装工程有限公司 | Rainwater recycling type rainwater well structure |
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