CN114832452A - A aeration grit chamber for sewage treatment - Google Patents
A aeration grit chamber for sewage treatment Download PDFInfo
- Publication number
- CN114832452A CN114832452A CN202210580093.4A CN202210580093A CN114832452A CN 114832452 A CN114832452 A CN 114832452A CN 202210580093 A CN202210580093 A CN 202210580093A CN 114832452 A CN114832452 A CN 114832452A
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- China
- Prior art keywords
- sand
- sand collecting
- grit chamber
- box
- collecting tank
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- 238000005273 aeration Methods 0.000 title claims abstract description 60
- 239000010865 sewage Substances 0.000 title claims abstract description 29
- 239000004576 sand Substances 0.000 claims abstract description 230
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 244000035744 Hura crepitans Species 0.000 claims description 12
- 238000004065 wastewater treatment Methods 0.000 claims description 5
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 239000013049 sediment Substances 0.000 description 48
- 239000002244 precipitate Substances 0.000 description 18
- 239000000047 product Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 5
- 239000010954 inorganic particle Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sewage (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to an aeration grit chamber for sewage treatment, which comprises an aeration grit chamber, wherein a water inlet is arranged above one end of the aeration grit chamber, a sand collecting tank is arranged at the bottom of the aeration grit chamber, the sand collecting tank is arranged at one end of the aeration grit chamber, which is far away from the water inlet, the sand collecting tank is communicated with the aeration grit chamber through the sand collecting tank, a sand outlet is fixedly arranged at the joint of the sand collecting tank and the sand collecting tank, and a sand collecting device for automatically cleaning the sand at the bottom of the sand collecting tank to the outer side of the sand collecting tank is arranged in the sand collecting tank.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an aeration grit chamber for sewage treatment.
Background
The wastewater often contains a lot of sand and stones, and aeration sand setting is needed in the sewage treatment. Under the action of aeration, inorganic particles in the wastewater are always in a suspended state, sand grains rub against each other and bear the shearing force of aeration, organic pollutants attached to the sand grains can be removed, and the sand grains form precipitates after the action of aeration.
A common aeration grit chamber in life is a long channel, sand grains after aeration are precipitated in a long groove at the bottom of the aeration grit chamber, a travelling crane device is arranged above the aeration grit chamber for cleaning the precipitated sand grains in the long groove, a sand pumping device is arranged on the travelling crane device, the travelling crane device drives the sand pumping device to reciprocate at the bottom of the aeration grit chamber to pump precipitates in the long groove, a large amount of water is often pumped when the precipitates are pumped, and the pumped precipitates need to be separated by sand water to reduce water.
For this reason, an aerated grit chamber for sewage treatment is proposed.
Disclosure of Invention
The invention aims to provide an aeration grit chamber for sewage treatment, which solves the problems in the background art by arranging a sand collecting device, and can filter water in sediments formed in the aeration grit chamber when the sediments are cleaned, so that the treated sediments do not need to be subjected to sand-water separation.
In order to achieve the purpose, the invention provides the following technical scheme:
the device comprises an aeration grit chamber, a sand collecting tank and a sand collecting tank, wherein a water inlet is arranged above one end of the aeration grit chamber, and the bottom of the aeration grit chamber is provided with the sand collecting tank;
the sand collecting tank is arranged at one end of the aeration grit chamber, which is far away from the water inlet, the sand collecting tank is communicated with the aeration grit chamber through a sand collecting groove, and a sand outlet is fixedly arranged at the joint of the sand collecting groove and the sand collecting tank;
and the sand collecting device is arranged in the sand collecting pool and automatically cleans the settled sand at the bottom of the sand collecting pool to the outer side of the sand collecting pool.
Preferably, receive sand device includes the frame, the frame includes two curb plates and a plurality of horizontal poles, curb plate top fixed mounting has driving motor, two the curb plate top rotates jointly and installs the drive shaft, the equal fixed mounting in drive shaft both ends has the sprocket No. one, and the one end of drive shaft and driving motor's output fixed connection, two the curb plate below rotates jointly and installs the driven shaft, the equal fixed mounting in driven shaft both ends has the sprocket No. two, the sprocket passes through the chain and is connected with the sprocket No. two, be equipped with a plurality of receipts sand box on the chain, it passes through connecting rod and chain fixed connection to receive the sand box, fixed mounting has the sand collection board on the horizontal pole, and the sand collection board is located the bottom of frame.
Preferably, the chain is made of a nickel-chromium alloy metal material.
Preferably, the sand collecting box comprises a box body and a box bottom, and a plurality of small water through holes are formed in the box body and the box bottom.
Preferably, elastic blocks are fixedly mounted on the lower portion of the cross rod, the bottom of the sand collecting tank and the wall of the sand collecting tank far away from the aeration grit chamber, and a plurality of semicircular bulges are arranged on the elastic blocks.
Preferably, the sand collecting box is rotatably provided with a cover, the sand collecting box is provided with a spring hinge, one end of the spring hinge is fixedly arranged on the cover, one end of the spring hinge, far away from the cover, is fixedly arranged on the box body, and a cover opening assembly is arranged on a moving path of the sand collecting box.
Preferably, the equal fixed mounting in lid both sides has the cylinder lug, the subassembly of uncapping includes two trapezoidal baffles of symmetry fixed mounting on the sand-collecting plate, and two trapezoidal baffles all mutually support with the cylinder lug, is located the top symmetrical fixed mounting has two arc tilt plates of mutually supporting with the cylinder lug on the horizontal pole.
Preferably, the sand collecting groove is inclined towards the sand collecting pool from one side of the water inlet.
Preferably, a sand pump is fixedly mounted above the sand collection pool and is connected with the bottom of the sand collection pool through a pipeline.
Preferably, one side of the sand collecting tank is inclined upwards from the bottom.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the aeration grit chamber for sewage treatment, the sand collecting device is arranged, so that the problem that water in sediments formed in the aeration grit chamber can be filtered when the sediments are cleaned, and the sediments treated do not need to be subjected to sand-water separation is solved.
2. According to the aeration grit chamber for sewage treatment, the cover is arranged on the sand collecting box, the cover opening assembly is arranged on the travelling path of the sand collecting box, and therefore the problems that sediment entering the sand collecting box cannot flow out of the sand collecting box along with the flow of water, and the cover can be opened to collect the sediment and pour the sediment are solved.
3. According to the aeration grit chamber for sewage treatment, the sand pump is arranged, so that the problem that the long-term formed sediment in the sand collecting tank influences the operation of the sand collecting device is solved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic structural view of a sand collecting device part of the invention;
FIG. 4 is an enlarged view taken at A of FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of the invention at B of FIG. 3;
in the figure: 1. an aeration grit chamber; 2. a water inlet; 3. a sand collecting tank; 4. a sand outlet; 5. a sand collecting tank; 6. a bump; 7. a sand pump; 8. a side plate; 9. a cross bar; 10. a drive motor; 11. a drive shaft; 12. a driven shaft; 13. a first chain wheel; 14. a second sprocket; 15. a chain; 16. a sand collecting box; 17. a connecting rod; 18. a sand collection plate; 19. a box body; 20. a box bottom; 21. a small water hole is formed; 22. an elastic block; 23. a cover; 24. a spring hinge; 25. a lid opening assembly; 26. a baffle plate; 27. the plate is poured.
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 to 5, the present invention provides an aeration grit chamber for sewage treatment, which has the following technical scheme:
an aerated grit chamber for wastewater treatment comprising:
the device comprises an aeration grit chamber 1, wherein a water inlet 2 is arranged above one end of the aeration grit chamber 1, and a sand collecting groove 3 is arranged at the bottom of the aeration grit chamber 1;
the sand collecting tank 5 is arranged at one end of the aeration grit chamber 1 far away from the water inlet 2, the sand collecting tank 5 is communicated with the aeration grit chamber 1 through a sand collecting groove 3, and a sand outlet 4 is fixedly arranged at the joint of the sand collecting groove 3 and the sand collecting tank 5;
and the sand collecting device is arranged in the sand collecting pool 5, and the sand collecting device is arranged in the sand collecting pool 5 and used for automatically cleaning settled sand at the bottom of the sand collecting pool 5 to the outer side of the sand collecting pool 5.
When in use, sewage enters the aeration grit chamber 1 through the water inlet 2 of the aeration grit chamber 1, the density of suspended particles and inorganic particles in the sewage is greater than that of water, after the sewage is aerated by the aeration grit chamber 1, the suspended particles and inorganic particles in the sewage can be precipitated on the sand collecting groove 3 at the bottom of the aeration grit chamber 1, sediment on the sand collecting groove 3 is pushed by the gravity of the sediment and the water flow in the aeration grit chamber 1, the water flow at the bottom of the aeration grit chamber 1 is low in mobility and cannot disperse the sediment, the sediment enters the sand collecting tank 5 through the sand outlet 4 along the sand collecting groove 3, a sand collecting device for automatically cleaning the sediment in the sand collecting tank 5 is arranged in the sand collecting tank 5, the aerated sediment is treated and filtered by the sand collecting device, the aerated sediment is cleaned by the sand collecting device, and the water in the sediment can be filtered in the cleaning process, the sediment after being cleaned does not need to be subjected to sand-water separation.
Receive sand device includes the frame, the frame includes two curb plates 8 and a plurality of horizontal pole 9, 8 top fixed mounting of curb plate has driving motor 10, two 8 top of curb plate rotate jointly and install drive shaft 11, 11 equal fixed mounting in drive shaft both ends has sprocket 13 No. one, and the one end of drive shaft 11 and driving motor 10's output fixed connection, two 8 below of curb plate rotate jointly and install driven shaft 12, the equal fixed mounting in driven shaft 12 both ends has leading wheel 14, sprocket 13 passes through chain 15 and is connected with leading wheel 14, be equipped with a plurality of sand collecting box 16 on the chain 15, sand collecting box 16 passes through connecting rod 17 and 15 fixed connection of chain, fixed mounting has sand collecting plate 18 on the horizontal pole 9, and sand collecting plate 18 is located the bottom of frame.
A driving motor 10 is arranged on a side plate 8 of a frame of the sand collecting device, the driving motor 10 rotates to drive a driving shaft 11 to rotate, a first chain wheel 13 on the driving shaft 11 and a guide wheel 14 on a driven shaft 12 are in transmission through a chain 15, the guide wheel can prevent the chain from deviating, the driving shaft 11 rotates, the chain 15 rotates and then rotates, a sand collecting box 16 is fixed on the chain 15 through a connecting rod 17, the chain 15 rotates to drive the sand collecting box 16 to move, sediment falls onto a sand collecting plate 18 on a cross rod 9 of the frame, the sediment enters the sand collecting box 16 along the sand collecting plate 18, the sand collecting box 16 which collects the sediment is driven to leave the sand collecting pool 5 through the rotation of the chain 15, the sediment is poured when the sediment reaches the sand collecting box 16 and the opening is downward, the top of the frame obliquely extends out of the sand collecting pool 5, the poured sediment is ensured to fall outside the sand collecting pool 5 and is collected, and the poured sediment is prevented from falling into the sand collecting pool 5 again, sediment generated by the aeration grit chamber 1 is removed by arranging a sand collecting device in the sand collecting tank 5.
The chain 15 is made of a nickel-chromium alloy metal material.
Receive the sand device setting inside receiving the sand pond, it can soak in sewage for a long time to receive the sand device, sewage has certain corrosivity, 15 long-term soaks in aqueous of chain, 15 can be corroded, 15 works at aqueous of chain, the chain can't be lubricated, can produce comparatively serious wearing and tearing in the course of the work, 15 corrosion of chain, probably produce behind the wearing and tearing and fall the chain, circumstances such as card chain, through using the chain 15 that nichrome metal made, 15 corrosion resistance and the wearability of multiplicable chain, thereby promote 15 life of chain.
The sand collecting box 16 comprises a box body 19 and a box bottom 20, and a plurality of small water through holes 21 are formed in the box body 19 and the box bottom 20.
The plurality of water through holes 21 are formed in the box body 19 and the box bottom 20 of the sand collection box 16, sediment is collected in water by the sand collection box 16, so that a large amount of water is contained in the collected sediment, the sand collection box 16 moves away from the water surface along with the chain 15, water in the sediment flows out through the water through holes 21, the water in the sediment is reduced, and the discharged sediment does not need to be subjected to sand-water separation.
Elastic blocks 22 are fixedly mounted below the cross rod 9, at the bottom of the sand collecting tank 5 and on the wall of the sand collecting tank 5 far away from the aeration grit chamber 1, and a plurality of semicircular bulges are arranged on the elastic blocks 22.
When the sand collecting box 16 filters water, fine sand may block the water through small holes 21, the elastic block 22 is arranged below the cross rod 9 of the sand collecting device and on the wall of the sand collecting pool 5, the sand collecting box 16 extrudes the elastic block 22 when passing through the position of the elastic block 22, and a plurality of semicircular bulges on the elastic block 22 enter the water through small holes 21 to eject the fine sand in the water through small holes 21, so that the blocking of the water through small holes 21 is effectively prevented.
Receive and rotate on the sand box 16 and install lid 23, be equipped with spring hinge 24 on the sand box 16, spring hinge 24 one end fixed mounting is on lid 23, the one end fixed mounting that lid 23 was kept away from to spring hinge 24 is equipped with uncapping subassembly 25 on receiving the sand box 16 movement path on box body 19.
Because sand collection tank 5 and aeration grit chamber 1 intercommunication and receipts sand box 16 can remove along with chain 15, the water in the sand collection tank 5 can produce certain mobility, for preventing to flow away along with the flow of water with the precipitate that gets into in receiving sand box 16, rotate on receiving sand box 16 and install lid 23, install spring hinge 24 between lid 23 and box body 19, receive sand box 16 can close lid 23 after collecting the precipitate, open lid 23 through subassembly 25 of uncapping and collect and empty.
The equal fixed mounting in lid 23 both sides has cylinder lug 7, uncap subassembly 25 including symmetry fixed mounting two trapezoidal baffles 26 on sand collection board 18, and two trapezoidal baffles 26 all mutually support with cylinder lug 7, be located the top symmetrical fixed mounting has two arc boards 27 that incline mutually support with cylinder lug 7 on the horizontal pole 9.
When the sand collecting box 16 moves to the sand collecting plate 18, the cylindrical bump 7 on the cover 23 of the sand collecting box 16 moves along the inclined plane of the trapezoidal baffle 26 to drive the cover 23 of the sand collecting box 16 to be gradually opened for collection, when the sand collecting box 16 leaves the sand collecting plate 18, the cover 23 of the sand collecting box 16 is closed, when the sand collecting box 16 moves above the sand collecting device, the cylindrical bump 7 on the cover 23 of the sand collecting box 16 moves along the arc surface of the inclined plate 27 to drive the cover 23 of the sand collecting box 16 to be gradually opened, when the opening of the sand collecting box 16 is downward, the cover 23 is completely opened for dumping sediment, and the cover 23 after being closed can be opened for collecting sediment and dumping sediment by arranging the cover opening assembly 25.
The sand collecting groove 3 is inclined from one side of the water inlet 2 to the sand collecting pool 5.
Through setting up the sand collection groove 3 of slope, make the sediment that produces in the aeration grit chamber 1 under self gravity and the promotion of aeration grit chamber 1 rivers, the sediment can get into sand collection pond 5 smoothly, prevents that the sediment from piling up in sand collection groove 3.
The sand collecting tank 5 is fixedly provided with a sand pump 7 above, and the sand pump 7 is connected with the bottom of the sand collecting tank 5 through a pipeline.
Because sand collection tank 5 and 1 intercommunication of aeration grit chamber, also can produce a small amount of precipitate in the sand collection tank 5, the time is long the precipitate can accumulate more, for avoiding the long-time precipitate of accumulation in the sand collection tank 5 to lead to the fact the influence to receiving the sand device, do untimely processing to sand collection tank 5 bottom precipitate through setting up sand pump 7.
One side of the sand collecting pool 5 is inclined upwards from the bottom.
One side of the sand collecting pool 5 is inclined upwards from the bottom, so that the accumulation area of sediments generated in the sand collecting pool 5 is reduced, and the sand pump 7 is convenient to clean.
The working principle is as follows: when the device is used, sewage enters the aeration grit chamber 1 from the water inlet 2, inorganic particles and suspended particles in the sewage form precipitates to the inclined sand collecting groove 3 at the bottom of the aeration grit chamber 1 under the aeration action of the aeration grit chamber 1, and the precipitates can smoothly enter the sand collecting tank 5 through the sand outlet 4 along the inclined sand collecting groove 3 under the action of water flow pushing and self gravity; a sand collecting device is arranged in the sand collecting pool 5, a driving motor 10 is arranged on a side plate 8 of a frame of the sand collecting device, the driving motor 10 rotates to drive a driving shaft 11 to rotate, a first chain wheel 13 on the driving shaft 11 is driven by a guide wheel 14 on a driven shaft 12 through a chain 15, the guide wheel 14 can prevent the chain from deviating, the driving shaft 11 rotates, the chain 15 rotates and then fixes a sand collecting box 16 on the chain 15 through a connecting rod 17, the chain 15 rotates to drive the sand collecting box 16 to move, precipitates come out of a sand outlet 4 and fall onto a sand collecting plate 18 on a cross rod 9 of the frame, when the sand collecting box 16 moves to the sand collecting plate 18, a cylindrical lug 7 on a cover 23 of the sand collecting box 16 moves along an inclined plane of a trapezoidal baffle 26 on the sand collecting plate 18 to drive a cover 23 of the sand collecting box 16 to be gradually opened for sand collecting, and when the sand collecting box 16 leaves the sand collecting plate 18, the cover 23 of the sand collecting box 16 is closed through a spring 24, when the sand collecting box 16 moves above the sand collecting device, the cylindrical lug 7 on the cover 23 of the sand collecting box 16 moves along the arc surface of the dumping plate 27 to drive the cover 23 of the sand collecting box 16 to be gradually opened, and the cover 23 is completely opened to dump sediment when the sand collecting box 16 is opened downwards; the cover 23 can be opened after being closed by arranging the cover opening assembly 25 to collect sediment and pour the sediment; the sand collecting box 16 collects sediment in water, so that the collected sediment has a large amount of moisture, the sand collecting box 16 moves away from the water surface along with the chain 15, and the water in the sediment flows out along with the water through small holes 21, so that the moisture in the sediment is reduced, the discharged sediment does not need to be subjected to sand-water separation, and the sediment contains fine particles, so that the water through small holes 21 in the sand collecting box 16 can be prevented from being blocked by arranging the elastic blocks 22; the sand collecting device is arranged in the sand collecting pool, the sand collecting device needs to be soaked in sewage for a long time, the sewage has certain corrosivity, the chain 15 can be corroded when the chain 15 is soaked in the water for a long time, the chain 15 can be corroded, the chain can be broken down and clamped after the chain 15 is corroded, and the service life of the chain 15 can be prolonged by using the nickel-chromium alloy chain 15; because collection sand basin 5 and 1 intercommunication of aeration grit chamber, also can produce a small amount of precipitate in the collection sand basin 5, the time is long the precipitate can accumulate more, for the precipitate of avoiding long-time accumulation in the collection sand basin 5 causes the influence to receiving the sand device, do untimely processing to collection sand basin 5 bottom precipitate through setting up sand pump 7, set up to be by bottom tilt up on one side of collection sand basin 5, the precipitate gathering area that produces in making collection sand basin 5 reduces, be convenient for take out the clearance of sand pump 7. The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An aerated grit chamber for sewage treatment, comprising:
the device comprises an aeration grit chamber (1), wherein a water inlet (2) is arranged above one end of the aeration grit chamber (1), and a sand collecting groove (3) is arranged at the bottom of the aeration grit chamber (1);
the sand collecting tank (5) is arranged at one end, far away from the water inlet (2), of the aeration grit chamber (1), the sand collecting tank (5) is communicated with the aeration grit chamber (1) through a sand collecting groove (3), and a sand outlet (4) is fixedly arranged at the joint of the sand collecting groove (3) and the sand collecting tank (5);
and the sand collecting device is arranged in the sand collecting pool (5), and the sand collecting device is arranged in the sand collecting pool (5) and used for automatically cleaning the settled sand at the bottom of the sand collecting pool (5) to the outer side of the sand collecting pool (5).
2. An aerated grit chamber for wastewater treatment according to claim 1, wherein: the sand collecting device comprises a rack, the rack comprises two side plates (8) and a plurality of cross rods (9), a driving motor (10) is fixedly mounted above the side plates (8), a driving shaft (11) is mounted above the side plates (8) in a rotating mode, a first chain wheel (13) is fixedly mounted at two ends of the driving shaft (11), one end of the driving shaft (11) is fixedly connected with the output end of the driving motor (10), a driven shaft (12) is mounted below the side plates (8) in a rotating mode, guide wheels (14) are fixedly mounted at two ends of the driven shaft (12), the first chain wheel (13) is connected with the guide wheels (14) through chains (15), a plurality of sand collecting boxes (16) are arranged on the chains (15), the sand collecting boxes (16) are fixedly connected with the chains (15) through connecting rods (17), and sand collecting plates (18) are fixedly mounted on the cross rods (9), and the sand collecting plate (18) is positioned at the bottom end of the frame.
3. An aerated grit chamber for sewage treatment as claimed in claim 2, wherein: the chain (15) is made of a nickel-chromium alloy metal material.
4. An aerated grit chamber for sewage treatment as claimed in claim 2, wherein: the sand collecting box (16) comprises a box body (19) and a box bottom (20), and a plurality of small water through holes (21) are formed in the box body (19) and the box bottom (20).
5. An aerated grit chamber for sewage treatment as claimed in claim 3, wherein: elastic blocks (22) are fixedly mounted on the lower portion of the cross rod (9), the bottom of the sand collecting tank (5) and the wall of the sand collecting tank (5) far away from the aeration grit chamber (1), and a plurality of semicircular bulges are arranged on the elastic blocks (22).
6. An aerated grit chamber for sewage treatment as claimed in claim 4, wherein: receive to rotate on sand box (16) and install lid (23), be equipped with spring hinge (24) on sand box (16), spring hinge (24) one end fixed mounting is on lid (23), the one end fixed mounting that lid (23) were kept away from in spring hinge (24) is on box body (19), it uncaps subassembly (25) to be equipped with on sand box (16) moving path.
7. An aerated grit chamber for sewage treatment as claimed in claim 2, wherein: the equal fixed mounting in lid (23) both sides has cylinder lug (6), uncap subassembly (25) including symmetry fixed mounting two trapezoidal baffle (26) on sand collection board (18), and two trapezoidal baffle (26) all mutually support with cylinder lug (6), be located the top on horizontal pole (9) symmetry fixed mounting have two with cylinder lug (6) arc board of inclining that mutually support (27).
8. An aerated grit chamber for wastewater treatment according to claim 1, wherein: the sand collecting groove (3) is inclined from one side of the water inlet (2) to the sand collecting pool (5).
9. An aerated grit chamber for wastewater treatment according to claim 1, wherein: the sand collecting tank is characterized in that a sand pump (7) is fixedly mounted above the sand collecting tank (5), and the sand pump (7) is connected with the bottom of the sand collecting tank (5) through a pipeline.
10. An aerated grit chamber for wastewater treatment as claimed in claim 9, wherein: one side of the sand collecting pool (5) is inclined upwards from the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210580093.4A CN114832452A (en) | 2022-05-25 | 2022-05-25 | A aeration grit chamber for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210580093.4A CN114832452A (en) | 2022-05-25 | 2022-05-25 | A aeration grit chamber for sewage treatment |
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| Publication Number | Publication Date |
|---|---|
| CN114832452A true CN114832452A (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210580093.4A Pending CN114832452A (en) | 2022-05-25 | 2022-05-25 | A aeration grit chamber for sewage treatment |
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| KR200346273Y1 (en) * | 2003-11-11 | 2004-03-30 | (주)용진기계 | Sewage disposal unit |
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| CN211051081U (en) * | 2019-09-17 | 2020-07-21 | 何长鹏 | Sand setting device for sewage treatment |
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