CN217188060U - Deslagging device of aeration grit chamber - Google Patents
Deslagging device of aeration grit chamber Download PDFInfo
- Publication number
- CN217188060U CN217188060U CN202220011783.3U CN202220011783U CN217188060U CN 217188060 U CN217188060 U CN 217188060U CN 202220011783 U CN202220011783 U CN 202220011783U CN 217188060 U CN217188060 U CN 217188060U
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- Prior art keywords
- pipe
- air stripping
- sand
- deslagging
- scum
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- 238000005273 aeration Methods 0.000 title claims abstract description 44
- 239000004576 sand Substances 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000002893 slag Substances 0.000 claims description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000013049 sediment Substances 0.000 abstract description 25
- 230000008859 change Effects 0.000 abstract description 8
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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Classifications
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model particularly relates to a dross removal mechanism of aeration grit chamber, this dross removal mechanism of aeration grit chamber include air stripping fan, arrange sand air stripping pipe, arrange sediment air stripping pipe and U type scum pipe, the export of air stripping fan respectively with arrange sediment air stripping pipe, arrange sand air stripping pipe intercommunication, arrange sand air stripping pipe and install sediment air stripping pipe valve on the sediment air stripping pipe, arrange sediment air stripping pipe and install sediment air stripping pipe valve, one side and the sediment air stripping union coupling of U type scum pipe, the governing valve is installed to the entrance point of U type scum pipe. The utility model discloses dross is got rid of to the usable air stripping of dross removal mechanism in aeration grit chamber, need not to install the scum board, can be according to liquid level adjustment height, has overcome traditional scum board elevation and has distinguished the liquid level change with the dross and mismatch and lead to the problem that dross can't be collected.
Description
Technical Field
The utility model belongs to water pollution control field, concretely relates to dross removal mechanism in aeration grit chamber.
Background
Sewage treatment plant preliminary treatment workshop section aeration grit chamber, the aeration is partial inorganic granule of portion and is sunk, and partial suspended particle can the come-up produce a large amount of dross, only relies on artifical handheld simple and easy instrument to salvage regularly, not only wastes time and energy but also the dross volume of remaining is more, influences one process under and handles, and artifical dross of salvaging exists and easily takes place to weigh down the potential safety hazard that falls into aeration grit chamber.
At present, a scum trough of an aeration grit chamber of a sewage treatment plant usually adopts a reinforced concrete tank body, a scum discharge pipe is embedded, a scum board is driven by a truss vehicle sand suction machine to move, scum is scraped into a scum well, and then scum is removed. However, in actual use, the water yield changes and can lead to the liquid level to change, and then often appear the scum groove and the scum board elevation mismatch, can't collect the dross, and then need the condition of artifical salvage.
The patent with publication number CN206823262U discloses a scum clearing device of an aeration grit chamber, which comprises a scum board and a traction electromagnet, wherein the scum board is arranged at the bottom of a travelling frame of a sand sucker through a connecting rod; the traction electromagnet is fixedly arranged on the sand sucker travelling frame, the sand sucker travelling frame is provided with a plate-type sawtooth-shaped hook, and the slag scraping plate can drive the connecting rod to move upwards through external force so as to enable the connecting rod to be hung on the plate-type sawtooth-shaped hook; the traction electromagnet is connected with the plate-type sawtooth-shaped hook through a steel wire rope; the steel wire rope is tensioned through the action of the traction electromagnet, so that the connecting rod slides down from the plate-type sawtooth-shaped hook. This patent can improve artifical salvage and waste time and energy and the more condition of dross volume of remaining to a certain extent, nevertheless still exists the liquid level change and leads to the dross groove to mismatch with the scum board elevation, collects the poor problem of dross effect.
SUMMERY OF THE UTILITY MODEL
Thereby unmatched the poor problem of collection dross effect in order to solve the scum groove that exists among the prior art and scum board elevation, the utility model provides an aeration grit chamber's dross removal mechanism, the dross is got rid of to the usable air stripping of this dross removal mechanism, need not to install the scum board, can be according to liquid level adjustment height, has overcome traditional scum board elevation and has distinguished the liquid level change with the dross and mismatch and lead to the problem that the dross can't be collected.
The to-be-solved technical problem of the utility model is realized through following technical scheme:
a deslagging device of an aeration grit chamber comprises: the device comprises an air stripping fan, a sand discharge air stripping pipe, a slag discharge air stripping pipe and a U-shaped slag discharge pipe;
the outlet of the air stripping fan is respectively communicated with the slag discharge air stripping pipe and the sand discharge air stripping pipe;
a sand discharge air stripping pipe valve is arranged on the sand discharge air stripping pipe, and a slag discharge air stripping pipe valve is arranged on the slag discharge air stripping pipe;
one side of the U-shaped slag discharge pipe is connected with the slag discharge gas stripping pipe, and the inlet end of the U-shaped slag discharge pipe is provided with the regulating valve.
Furthermore, the deslagging device of the aeration grit chamber is arranged above the aeration grit chamber, and the aeration grit chamber comprises a scum area, an aeration area and a sand collecting area.
Furthermore, a truss vehicle type sand sucker is arranged above the aeration grit chamber.
Further, above-mentioned U type is arranged the sediment pipe and is installed in the dross district, the import of U type row's sediment pipe is adjusted through the governing valve according to the actual liquid level height in dross district, arranges the dross to the sand collection district.
Furthermore, when slag is discharged, the truss vehicle type sand suction machine operates, the truss vehicle type sand suction machine can drive the U-shaped slag discharge pipe to move, the air-lift fan works, the valve of the sand discharge air lift pipe is closed, the valve of the slag discharge air lift pipe is opened, scum on the surface layer of the scum area is lifted to the sand collection area through the U-shaped slag discharge pipe, then the scum is discharged to the rear end to be separated into slag and water, the scum is separated to the grid slag trolley, and the water is separated to the drainage pipe network.
Furthermore, during sand discharging, the truss vehicle type sand suction machine operates, the truss vehicle type sand suction machine can drive the U-shaped slag discharge pipe to move, the air stripping fan works, the sand discharge air stripping pipe valve is opened, the slag discharge air stripping pipe valve is closed, through aeration, gravel in sewage sinks to the bottom of the aeration zone, and enters the sand collection zone through the sand discharge air stripping pipe by air stripping, and then sand and water separation is realized at the rear end of discharging, the gravel is separated to the grid slag trolley, and the water is separated to the drainage pipe network.
Furthermore, the sand discharge stripping pipe, the slag discharge stripping pipe and the U-shaped slag discharge pipe are all made of stainless steel.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a dross removal mechanism of aeration grit chamber includes air stripping fan, sediment discharge air stripping pipe, arranges sediment air stripping pipe and U type scum pipe, the export of air stripping fan respectively with arrange sediment air stripping pipe, sediment discharge air stripping pipe intercommunication, arrange and install sediment air stripping pipe valve on the sediment air stripping pipe, arrange sediment air stripping pipe and install sediment air stripping pipe valve, one side and the sediment air stripping union coupling of U type scum pipe, the governing valve is installed to the entrance point of U type scum pipe. The deslagging device can remove scum by air lift by using an existing air lift fan of a truss car sand sucker without installing a scum board; this dross removal mechanism can be according to liquid level adjustment height, has overcome traditional scum board elevation and the liquid level change in dross district and has unmatched and lead to the unable problem of collecting of dross, can remove artifical the sediment of dragging for from, has realized the automatic clearance of dross.
Drawings
FIG. 1 is a schematic view of the slag removal device of the aeration grit chamber of the utility model.
Fig. 2 is a schematic view of a slag removing device of an aeration grit chamber closest to the present invention.
In the figure: 1. a gas stripping fan; 2. a sand discharge stripping pipe; 3. a slag-discharging stripping pipe; 4. a U-shaped slag discharge pipe; 5. a sand discharge air stripping pipe valve; 6. a slag discharge gas stripping pipe valve; 7. adjusting a valve; 8. a scum zone; 9. an aeration zone; 10. a sand collection area; 11. truss car formula sand sucker.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the present invention is not limited thereto.
This embodiment provides a dross removal mechanism in aeration grit chamber, and this dross removal mechanism utilizes the air stripping to get rid of the dross, need not to install the scum board, can be according to liquid level adjustment height, has overcome traditional scum board elevation and the liquid level change in dross district and has unmatched and lead to the unable problem of collecting of dross, salvages the dross effectual, has avoided artifical salvage dross to have simultaneously and has easily taken place to weigh down the potential safety hazard that falls into the aeration grit chamber.
Referring to fig. 1, the deslagging apparatus of the aeration grit chamber includes: the device comprises an air stripping fan 1, a sand discharge air stripping pipe 2, a slag discharge air stripping pipe 3 and a U-shaped slag discharge pipe 4. The outlet of the air stripping fan 1 is respectively communicated with the sand discharge air stripping pipe 2 and the slag discharge air stripping pipe 3. The sand discharge stripping pipe 2 is provided with a sand discharge stripping pipe valve 5, and the slag discharge stripping pipe 3 is provided with a slag discharge stripping pipe valve 6. One side of the U-shaped slag discharge pipe 4 is connected with the slag discharge stripping pipe 3, and the inlet end of the U-shaped slag discharge pipe 4 is provided with an adjusting valve 7. The row's sand air stripping pipe 2 of this embodiment, arrange sediment air stripping pipe 3 and U type row's sediment pipe 4 and all adopt stainless steel, and one side of U type row's sediment pipe 4 adopts welded fastening to be connected with the one end of arranging sediment air stripping pipe 3.
The deslagging device of the aeration grit chamber of the embodiment is arranged above the aeration grit chamber, and the aeration grit chamber comprises a scum area 8, an aeration area 9 and a sand collecting area 10. A truss vehicle type sand sucker 11 is arranged above the aeration grit chamber, and the truss vehicle type sand sucker 11 comprises a gas lift fan 1.
The U-shaped slag discharge pipe 4 is arranged in a scum area 8, and the inlet of the U-shaped slag discharge pipe 4 is adjusted through the adjusting valve 7 according to the actual liquid level height of the scum area 8, so that scum is discharged to a sand collection area 10.
When slag needs to be discharged, the truss vehicle type sand suction machine 11 operates, the truss vehicle type sand suction machine 11 moves to drive the U-shaped slag discharge pipe 4 to move, the air stripping fan 1 works, the sand discharge air stripping pipe valve 5 is closed, the slag discharge air stripping pipe valve 6 is opened, scum on the surface layer of the scum area is lifted to the sand collecting area 10 by air through the U-shaped slag discharge pipe 4 and then discharged into the rear end to be separated into slag and water, the scum is separated to the grid slag trolley, and the water is separated to the drainage pipe network.
When needing the sand discharge, the operation of truss car formula sand sucker 11, the motion of truss car formula sand sucker 11 can drive the motion of U type scum pipe 4, and air stripping fan 1 work is opened row's sand air stripping pipe valve 5, closes row sediment air stripping pipe valve 6, through the aeration, the grit in the sewage sinks to aeration zone 9 bottom to get into sand collection district 10 by the air stripping through row's sand air stripping pipe 2, and then arrange the rear end and realize the sand-water separation, the grit separation to bars sediment dolly, the separation of water to water drainage network.
In the prior art, the scum clearing device of the aeration grit chamber of the sewage treatment plant is closest to the invention, and referring to the attached drawing 2, the scum clearing device drives a scum board to move through a truss vehicle sand sucker to scrape scum into a scum well, so that the scum is removed. However, in actual use, the water yield change can lead to the liquid level change, and then often appear the dross liquid level and scrape the slag plate elevation and mismatch, can't collect the dross, and then need the condition of artifical salvage.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (7)
1. The utility model provides a dross removal mechanism of aeration grit chamber which characterized in that: the method comprises the following steps: the device comprises an air stripping fan (1), a sand discharge air stripping pipe (2), a slag discharge air stripping pipe (3) and a U-shaped slag discharge pipe (4);
the outlet of the air stripping fan (1) is respectively communicated with the sand discharge air stripping pipe (2) and the slag discharge air stripping pipe (3);
a sand discharge stripping pipe valve (5) is arranged on the sand discharge stripping pipe (2), and a slag discharge stripping pipe valve (6) is arranged on the slag discharge stripping pipe (3);
one side of the U-shaped slag discharge pipe (4) is connected with the slag discharge stripping pipe (3), and an adjusting valve (7) is installed at the inlet end of the U-shaped slag discharge pipe (4).
2. A deslagging apparatus for an aerated grit chamber according to claim 1, mounted above the aerated grit chamber, said aerated grit chamber comprising a scum zone (8), an aeration zone (9) and a sand collection zone (10).
3. The deslagging apparatus of the aeration grit chamber according to claim 2, wherein a truss-car type sand sucker (11) is installed above the aeration grit chamber.
4. A deslagging apparatus for an aerated grit chamber according to claim 2, wherein said U-shaped deslagging pipe (4) is installed in the scum zone (8), and the inlet of said U-shaped deslagging pipe (4) is adjusted by the adjusting valve (7) according to the actual liquid level of the scum zone (8) to discharge scum to the sand collection zone (10).
5. The deslagging device of the aeration grit chamber according to claim 3, wherein during deslagging, the truss vehicle type sand sucker (11) is operated, the truss vehicle type sand sucker (11) moves to drive the U-shaped deslagging pipe (4) to move, the air stripping fan (1) operates, the sand discharge air stripping pipe valve (5) is closed, the deslagging air stripping pipe valve (6) is opened, the scum on the surface layer of the scum area is stripped to the sand collecting area (10) through the U-shaped deslagging pipe (4) and is further discharged to the rear end for slag-water separation, the scum is separated to the grid slag trolley, and the water is separated to the drainage pipe network.
6. The deslagging device of the aeration grit chamber according to claim 3, wherein during the sand discharging, the truss vehicle type sand sucker (11) operates, the truss vehicle type sand sucker (11) moves to drive the U-shaped deslagging pipe (4) to move, the air stripping fan (1) works, the sand discharging air stripping pipe valve (5) is opened, the deslagging air stripping pipe valve (6) is closed, the gravel in the sewage sinks to the bottom of the aeration zone (9) through aeration, and enters the sand collecting zone (10) through the sand discharging air stripping pipe (2) by air stripping, and is discharged to the rear end to realize sand-water separation, the gravel is separated to the grid slag trolley, and the water is separated to the water discharging pipe network.
7. The deslagging device of the aeration grit chamber according to claim 1, wherein the sand discharge stripping pipe (2), the deslagging stripping pipe (3) and the U-shaped deslagging pipe (4) are all made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220011783.3U CN217188060U (en) | 2022-01-05 | 2022-01-05 | Deslagging device of aeration grit chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220011783.3U CN217188060U (en) | 2022-01-05 | 2022-01-05 | Deslagging device of aeration grit chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217188060U true CN217188060U (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220011783.3U Active CN217188060U (en) | 2022-01-05 | 2022-01-05 | Deslagging device of aeration grit chamber |
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| CN (1) | CN217188060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405077A (en) * | 2022-01-05 | 2022-04-29 | 北京恩菲环保技术有限公司 | A slag removal device for aeration grit chamber |
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2022
- 2022-01-05 CN CN202220011783.3U patent/CN217188060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405077A (en) * | 2022-01-05 | 2022-04-29 | 北京恩菲环保技术有限公司 | A slag removal device for aeration grit chamber |
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