CN116986711A - Advanced dephosphorization device for sewage treatment - Google Patents
Advanced dephosphorization device for sewage treatment Download PDFInfo
- Publication number
- CN116986711A CN116986711A CN202311266778.2A CN202311266778A CN116986711A CN 116986711 A CN116986711 A CN 116986711A CN 202311266778 A CN202311266778 A CN 202311266778A CN 116986711 A CN116986711 A CN 116986711A
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- shell
- sludge
- chamber
- air
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- 239000010865 sewage Substances 0.000 title claims abstract description 34
- 239000010802 sludge Substances 0.000 claims abstract description 61
- 238000004062 sedimentation Methods 0.000 claims abstract description 37
- 238000001125 extrusion Methods 0.000 claims abstract description 27
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 239000007864 aqueous solution Substances 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 2
- 238000004065 wastewater treatment Methods 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000018044 dehydration Effects 0.000 abstract description 3
- 238000006297 dehydration reaction Methods 0.000 abstract description 3
- 238000004026 adhesive bonding Methods 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 12
- 229910052698 phosphorus Inorganic materials 0.000 description 12
- 239000011574 phosphorus Substances 0.000 description 12
- 238000009434 installation Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/006—Regulation methods for biological treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment advanced dephosphorization device. Including shell, first motor, first screw rod, scraper blade, extrusion mechanism and collection mechanism etc. symmetrical connection has first motor on the shell, first screw rod and the output shaft of first motor to drive first screw rod rotation, first screw rod and shell rotation are connected, scraper blade and first screw rod threaded connection, so that first screw rod rotation can drive the scraper blade and control the removal, scraper blade and the contact of sedimentation chamber inner wall, with the mud of gluing at the sedimentation chamber inner wall is scraped, extrusion mechanism is used for carrying out extrusion dehydration to mud, collection mechanism is used for collecting the mud after the dehydration. According to the invention, the first motor drives the first screw to rotate, so that the scraper can be driven to move rightwards, sludge in the sedimentation chamber can be scraped rightwards, and the scraper can scrape the sludge adhered to the inner wall of the sedimentation chamber due to the contact between the scraper and the inner wall of the sedimentation chamber, so that the sludge is prevented from adhering to the inner wall of the sedimentation chamber, and the sewage treatment effect is ensured.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment advanced dephosphorization device.
Background
The biological phosphorus removal of sewage mainly utilizes the action of phosphorus accumulating bacteria for releasing phosphorus under anaerobic conditions and accumulating phosphorus under aerobic conditions, and the phosphorus removal of sewage comprises two necessary processes, namely, firstly, the soluble phosphorus-containing substances in the sewage are converted into insoluble particle forms, and then, the purpose of removing phosphorus from the sewage is achieved by removing the particle solids.
At present, sewage is required to be led into a sedimentation tank for sedimentation after anaerobic, anoxic and aerobic treatment, clear water and sludge are respectively discharged, but the sludge is easy to adhere to the inner wall of the sedimentation tank, so that the sewage treatment effect can be influenced, the water content of the sludge discharged from the sedimentation tank is very high, additional equipment is required for dewatering the sludge after the sludge is discharged, and then the treatment steps such as digestion, drying and the like are carried out, so that the cost is high.
Disclosure of Invention
In view of the above, the invention aims to overcome the defects that sludge is easy to adhere to the inner wall of a sedimentation tank and the water content of discharged sludge is very high when biological dephosphorization is carried out on sewage in the prior art, and the invention aims to provide a sewage treatment deep dephosphorization device capable of automatically cleaning the sludge and reducing the water content of the sludge.
The utility model provides a sewage treatment degree of depth dephosphorization device, including the shell, the inlet tube, the outlet pipe, the lid, filter media, spray tube and conveying assembly, the shell internal portion is four processing chambers, be anaerobic chamber from left to right in proper order, the anoxic chamber, good oxygen room and settling chamber, the intercommunication has inlet tube and outlet pipe on the shell, the interval is equipped with four lids on the shell, be connected with the filter media that is used for filtering mud in the settling chamber, the intercommunication has the spray tube on the shell, spray tube and good oxygen room intercommunication, spray tube external air pump group can provide oxygen for good oxygen room, conveying assembly is used for carrying sewage to anoxic chamber from anaerobic chamber in proper order in anoxic chamber, good oxygen room and the settling chamber, still including first motor, first screw rod, the scraper blade, extrusion mechanism and collection mechanism, symmetrical connection has first motor on the shell, first screw rod and the output shaft of first motor, in order to drive first screw rod rotation, first screw rod and shell rotation are connected, so that first screw rod rotation can drive the scraper blade left and right movement, contact with the settling chamber inner wall, with the mud scraping that will glue at settling chamber inner wall, extrusion mechanism is used for carrying out dehydration to the sludge, after the collection mechanism is used for collecting to collect the mud.
Preferably, the conveying component comprises a water pump, a slurry pump and a pipeline, wherein three water pumps are connected to the shell at intervals, the water outlets and water inlets of the water pumps are respectively communicated with adjacent treatment chambers, so that sewage is sequentially conveyed into different treatment chambers, the slurry pump is connected with the shell, the water outlets and water inlets of the slurry pump are respectively communicated with the pipeline, and one ends of the pipeline, far away from the slurry pump, are respectively communicated with the anaerobic chamber and the sedimentation chamber so as to convey sludge in the sedimentation chamber into the anaerobic chamber for recycling.
Preferably, the extrusion mechanism comprises an electric push rod, an extrusion plate, an installation shell, a filter frame, a return pipe and a one-way valve, wherein the electric push rod is connected with the shell, the extrusion plate is connected with a telescopic rod of the electric push rod so as to drive the extrusion plate to move up and down, the installation shell is connected with the shell, the installation shell is positioned right below the extrusion plate, the filter frame is connected in the installation shell, the scraper blade moves to the right to scrape sludge into the filter frame, when the extrusion plate moves downwards, the sludge can be extruded and dehydrated, the return pipe is communicated between the bottom of the installation shell and the settling chamber so that water in the sludge can flow back into the settling chamber, and the one-way valve is arranged on the return pipe.
Preferably, the collecting mechanism comprises a collecting frame, a mounting rod, a sliding block, a second screw rod, a connecting block, a third screw rod, a second motor, a pushing block and a sealing ring, wherein the collecting frame for collecting sludge is connected to the shell, the mounting rod is connected with the shell, the sliding block is in sliding connection with the mounting rod and can slide back and forth, the sliding block blocks the rear side of the mounting shell, the second screw rod is rotationally connected with the mounting rod, the connecting block is in threaded connection with the second screw rod, the connecting block is fixedly connected with the sliding block, the second screw rod is rotationally driven to move back and forth by the second screw rod, the third screw rod is connected with the second screw rod, the second motor is connected with the mounting shell, an output shaft of the second motor is connected with the third screw rod to drive the third screw rod to rotate, the pushing block is in threaded connection with the third screw rod, the pushing block is in contact with the inner wall of the filtering frame, the third screw rod is rotationally driven to slide back and forth, the pushing block can push out sludge by the backward movement, and the sealing ring is connected to the pushing block and the sliding block.
Preferably, the second screw has a flight groove density greater than that of the third screw.
Preferably, the collecting mechanism further comprises a corrugated pipe, the corrugated pipe is connected between the pushing block and the sliding block, and the corrugated pipe is sleeved outside the third screw to protect the third screw.
Preferably, the feeding mechanism comprises a protection frame, a storage tank, a dust cover, a discharging pipe, a screw feeder, a third motor and a rotating block, wherein the protection frame is connected with the shell, the storage tank for storing acetic acid aqueous solution is connected to the protection frame, the dust cover is connected to the storage tank in a screw mode, the discharging pipe is communicated with the bottom of the storage tank, the screw feeder is arranged in the protection frame and is used for communicating the discharging pipe with the anaerobic chamber so as to convey the acetic acid aqueous solution into the anaerobic chamber, the third motor is connected with the discharging pipe, the rotating block is connected with an output shaft of the third motor so as to drive the rotating block to rotate, the rotating block is positioned in the discharging pipe, and a plurality of storage cavities for quantitatively feeding the acetic acid aqueous solution are uniformly spaced on the rotating block.
Preferably, a handle is connected to the dust cover.
Preferably, the air pump comprises an air pump, a fixed plate, an air bag, a movable plate, a first air pipe and a second air pipe, wherein a plurality of air pumps are uniformly connected in the rotating block at intervals, the air pump and the storage cavities are in one-to-one correspondence, the fixed plates are all connected in the storage cavities, the air bags are all connected on the fixed plates, one sides of the air bags away from the fixed plates are all connected with the movable plate, the first air pipe is communicated between the air outlet of the air pump and the air bags, the second air pipe is communicated with the air inlet of the air pump, and one end of the second air pipe away from the air pump is communicated with the outside.
Preferably, the device further comprises a rubber cover, wherein the rubber cover is connected with the sedimentation chamber, is positioned right above the left end of the return pipe so as to protect the left end of the return pipe, and is provided with a cross opening.
The beneficial effects of the invention are as follows:
1. according to the invention, the first motor drives the first screw to rotate, so that the scraper can be driven to move rightwards, sludge in the sedimentation chamber can be scraped rightwards, and the scraper can scrape the sludge adhered to the inner wall of the sedimentation chamber due to the contact between the scraper and the inner wall of the sedimentation chamber, so that the sludge is prevented from adhering to the inner wall of the sedimentation chamber, and the sewage treatment effect is ensured.
2. According to the invention, the extrusion plate is driven to move downwards through the electric push rod to extrude and dewater the sludge, then the push block and the sliding block are driven to move backwards through the second motor, the extruded sludge can be pushed backwards, and meanwhile, the speed of the sliding block moving backwards is smaller than that of the push block moving backwards, so that the push block can be gradually close to the sliding block, the sludge can be extruded and dewatered for the second time through the push block and the sliding block, and then the dewatered sludge can fall into the collecting frame to be collected, so that the water content of the sludge can be reduced.
3. According to the invention, the acetic acid aqueous solution can be automatically and quantitatively added into the anaerobic chamber through the action of the feeding mechanism, so that sufficient volatile fatty acid can be provided for the anaerobic chamber, and the propagation of phosphorus accumulating bacteria and the effective biological phosphorus removal effect are ensured.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a cross-sectional view of the housing of the present invention.
Fig. 4 is a schematic perspective view of the extrusion mechanism of the present invention.
Fig. 5 is a cross-sectional view of the mounting case of the present invention.
Fig. 6 is a schematic perspective view of the collecting mechanism of the present invention.
FIG. 7 is a schematic view showing a specific structure of the collecting mechanism of the present invention.
Fig. 8 is a schematic perspective view of the feeding mechanism of the present invention.
Fig. 9 is a cross-sectional view of a protective frame of the present invention.
FIG. 10 is a cross-sectional view of a tapping pipe according to the present invention.
Fig. 11 is a cross-sectional view of a turning block of the present invention.
Fig. 12 is a schematic perspective view of the air pump, the first air pipe and the second air pipe according to the present invention.
Fig. 13 is a partial cross-sectional view of the present invention.
Fig. 14 is an enlarged view of portion a of fig. 13 in accordance with the present invention.
The reference symbols in the drawings: 1-shell, 101-anaerobic chamber, 102-anoxic chamber, 103-aerobic chamber, 104-sedimentation chamber, 2-inlet pipe, 3-outlet pipe, 4-cover, 5-filter, 6-water pump, 7-slurry pump, 8-pipe, 9-spray pipe, 10-first motor, 11-first screw, 12-scraper, 13-pressing mechanism, 131-electric push rod, 132-pressing plate, 133-mounting shell, 134-filter frame, 135-return pipe, 136-check valve, 14-collecting mechanism, 141-collecting frame, 142-mounting rod, 143-sliding block, 144-second screw, 145-connecting block, 146-third screw, 147-second motor, 148-pushing block, 149-sealing ring, 1410-bellows, 15-charging mechanism, 151-protecting frame, 152-storage tank, 153-dust cover, 154-discharging pipe, 1541-spiral feeder, 155-third motor, 156-rotating block, 157-storage chamber, 16-adjusting mechanism, 161-air pump, 162-fixing plate, 163-moving air pipe, 165-third air pipe, 171-172-moving pipe, and air pipe, and rubber cover.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Examples: a sewage treatment advanced dephosphorization device, as shown in figures 1-13, comprises a shell 1, a water inlet pipe 2, a water outlet pipe 3, a cover 4, a filter material 5, a water pump 6, a slurry pump 7, a pipeline 8, a spray pipe 9, a first motor 10, a first screw 11, a scraping plate 12, an extrusion mechanism 13 and a collection mechanism 14, wherein the interior of the shell 1 is divided into four treatment chambers, namely an anaerobic chamber 101, an anoxic chamber 102, an aerobic chamber 103 and a sedimentation chamber 104 in sequence from left to right, the left upper part of the shell 1 is communicated with the water inlet pipe 2, the right upper part of the shell 1 is communicated with the water outlet pipe 3, the rear side of the upper part of the shell 1 is provided with four covers 4 at intervals, the middle part of the inner side of the sedimentation chamber 104 is connected with the filter material 5, the filter material 5 can filter and block sludge in the sedimentation chamber 104, so that clear water and the sludge can be separated, the front side of the shell 1 is bolted with three water pumps 6 at intervals, the water outlet and the water inlet of the water pump 6 are respectively communicated with the adjacent treatment chambers, the right part of the front side of the shell 1 is bolted with a slurry pump 7, the water outlet and the water inlet of the slurry pump 7 are both communicated with a pipeline 8, one end of the pipeline 8 far away from the slurry pump 7 is respectively communicated with an anaerobic chamber 101 and a sedimentation chamber 104, the lower part of the front side of the shell 1 is communicated with a spray pipe 9, the spray pipe 9 is communicated with an aerobic chamber 103, an externally-connected air pump group of the spray pipe 9 can provide sufficient oxygen for the aerobic chamber 103, the lower part of the right side of the shell 1 is symmetrically bolted with a first motor 10 in front and back, the output shafts of the first motor 10 are both connected with a first screw rod 11, the first screw rods 11 are both connected with the shell 1 in a rotating way, a scraping plate 12 is in contact with the inner wall of the sedimentation chamber 104 in a threaded way, the first screw rod 11 is driven to rotate by the first motor 10, the scraping plate 12 can be driven to move to the right, thereby the sludge in the sedimentation chamber 104 can be scraped to the right, the housing 1 is provided with a pressing mechanism 13 and a collecting mechanism 14.
As shown in fig. 1, fig. 4 and fig. 5, the extrusion mechanism 13 comprises an electric push rod 131, an extrusion plate 132, a mounting shell 133, a filter frame 134, a return pipe 135 and a check valve 136, wherein the electric push rod 131 is symmetrically bolted around the upper part of the right side of the shell 1, the extrusion plate 132 is connected between telescopic rods of the electric push rod 131, the mounting shell 133 is connected with the right side of the bottom of the shell 1, the mounting shell 133 is positioned under the extrusion plate 132, the filter frame 134 is connected with the inner wall of the mounting shell 133, sludge scraped by the scraper 12 to the right can fall into the filter frame 134, the extrusion plate 132 is driven to move downwards through the electric push rod 131, the sludge in the filter frame 134 can be extruded and dehydrated, the return pipe 135 is communicated between the bottom of the mounting shell 133 and the sedimentation chamber 104, and the check valve 136 is arranged on the return pipe 135.
As shown in fig. 1, fig. 2, fig. 3, fig. 6 and fig. 7, the collecting mechanism 14 comprises a collecting frame 141, a mounting rod 142, a sliding block 143, a second screw 144, a connecting block 145, a third screw 146, a second motor 147, a pushing block 148, a sealing ring 149 and a corrugated pipe 1410, the collecting frame 141 is connected to the lower portion of the rear side of the shell 1, the mounting rod 142 is welded to the right lower portion of the rear side of the shell 1, the sliding block 143 is connected to the lower portion of the mounting rod 142 in a sliding manner, the sliding block 143 blocks the rear side of the mounting shell 133, the second screw 144 is connected to the second screw 144 in a rotating manner, the connecting block 145 is connected to the upper thread of the second screw 144, the connecting block 145 is fixedly connected with the sliding block 143, the front end of the second screw 144 is connected to the third screw 146, the second motor 147 is bolted to the front side of the mounting shell 133, the output shaft of the second motor 147 is connected to the third screw 146, the pushing block 148 is in contact with the inner wall of the filtering frame 134, the third screw 146 is driven by the second motor 147 to rotate, the pushing block 148 can drive the third screw 146 to move the pushing block 148 to the sliding block 148 to the inner side of the filtering frame 134, and the sludge can be pushed to the outside of the filtering block 148 is connected to the inner side of the sealing block 143, and the corrugated pipe 1410 is connected to the inner side of the sealing block 143.
The jet pipe 9 can be externally connected with the air pump group so as to supply oxygen to the aerobic chamber 103, firstly, sewage can be introduced into the anaerobic chamber 101 of the shell 1 through the water inlet pipe 2, after being treated, the sewage can be conveyed into the anoxic chamber 102 through the water pump 6 on the left side, after being treated, the sewage can be conveyed into the aerobic chamber 103 through the water pump 6 in the middle, the sewage can be sequentially subjected to denitrification and dephosphorization treatment in the anaerobic chamber 101, the anoxic chamber 102 and the aerobic chamber 103, then the treated sewage can be conveyed into the settling chamber 104 through the water pump 6 on the right side, the sewage can be subjected to mud-water separation in the settling chamber 104, the filter material 5 can filter and separate sludge, so that clear water can be discharged through the filter material 5 and the water outlet pipe 3, and the sludge can remain in the settling chamber 104, and at the moment, a part of the sludge can be conveyed into the anaerobic chamber 101 through the slurry pump 7 and the pipeline 8 for use without arranging an additional sludge reflux system; when the sludge is required to be discharged, the first screw 11 can be driven to rotate by the first motor 10 to drive the scraping plate 12 to move to the right, the scraping plate 12 can scrape the sludge in the settling chamber 104 to the right, the scraping plate 12 can scrape the sludge adhered to the inner wall of the settling chamber 104 due to the contact between the scraping plate 12 and the inner wall of the settling chamber 104, the sludge falls into the filter frame 134, the filter frame 134 can filter and isolate the sludge, then the electric push rod 131 drives the extrusion plate 132 to move downwards, the extrusion plate 132 stretches into the filter frame 134 to extrude the sludge, water in the sludge can fall into the installation shell 133 through the filter frame 134, the corrugated pipe 1410 can protect the third screw 146, the sludge is prevented from remaining in a thread groove of the third screw 146, the water in the installation shell 133 can flow back into the settling chamber 104 through the return pipe 135, and the one-way valve 136 can prevent the sludge and water in the settling chamber 104 from entering the return pipe 135; then the third screw rod 146 can be driven to rotate by the second motor 147, the third screw rod 146 can drive the second screw rod 144 to rotate, the third screw rod 146 can drive the pushing block 148 to move backwards, the second screw rod 144 can drive the sliding block 143 to move backwards, but the density of the thread grooves of the second screw rod 144 is larger than that of the third screw rod 146, so that the speed of the backward movement of the sliding block 143 is smaller than that of the pushing block 148, the pushing block 148 can gradually approach the sliding block 143, the corrugated tube 1410 is shortened, the sludge in the filter frame 134 can be extruded and dehydrated again by the pushing block 148 and the sliding block 143, the sealing ring 149 can play a sealing role to prevent the sludge from crossing the pushing block 148 and the sliding block 143, meanwhile, the pushing block 148 can also push the sludge in the filter frame 134 backwards, when the sliding block 143 moves backwards to be separated from the mounting shell 133, the pushing block 148 can push the dehydrated sludge backwards to fall into the collecting frame 141, then the third screw rod 146 is driven to reversely rotate by the second motor 147, the third screw rod 146 can be reversely rotated, and the third screw rod 146 can drive the sliding block 148 and the sliding block 146 to move forwards and the corrugated tube 1410 to be protected, and the third screw rod 146 can be reset, and the corrugated tube 1410 can be driven to move forwards and the sliding block 146 can be protected.
As shown in fig. 1, fig. 2, fig. 3, fig. 8, fig. 9 and fig. 10, the feeding mechanism 15 is further included, the feeding mechanism 15 includes a protection frame 151, a storage tank 152, a dust cover 153, a discharging pipe 154, a screw feeder 1541, a third motor 155 and a rotating block 156, the protection frame 151 is connected to the rear side of the housing 1, the storage tank 152 is connected to the upper portion of the protection frame 151, the dust cover 153 is connected to the top of the storage tank 152 in a threaded manner, the discharging pipe 154 is communicated with the bottom of the storage tank 152, the screw feeder 1541 is installed in the protection frame 151, the screw feeder 1541 is communicated with the lower end of the discharging pipe 154 and the anaerobic chamber 101, the third motor 155 is connected to the front side of the discharging pipe 154 in a bolting manner, the rotating block 156 is connected to the output shaft of the third motor 155, the rotating block 156 is located in the discharging pipe 154, and a plurality of material storage cavities 157 are uniformly spaced on the rotating block 156.
The principle of biological dephosphorization is that phosphorus accumulating bacteria absorb volatile fatty acid under anaerobic condition and release polymerized phosphate in cells, while under aerobic condition, a large amount of orthophosphate in dissolved state can be absorbed from sewage to form biological sludge rich in phosphorus, and sufficient volatile fatty acid is needed to ensure the propagation of phosphorus accumulating bacteria and effective biological dephosphorization, so that a feeding mechanism 15 is arranged; firstly, the dustproof cover 153 can be rotated and opened, then a proper amount of acetic acid aqueous solution with the solubility of 56% is added into the storage tank 152, then the third motor 155 drives the rotating block 156 to rotate, every time the storage cavity 157 of the rotating block 156 rotates to the right upper position, the acetic acid aqueous solution can enter the storage cavity 157 and fill the storage cavity 157, the rotating block 156 can drive the storage cavity 157 to rotate along with the continuous rotation of the rotating block 156, when the storage cavity 157 rotates to the right lower position, the acetic acid aqueous solution in the storage cavity 157 can drop into the spiral feeder 1541 through the discharging pipe 154, and the acetic acid aqueous solution can be conveyed into the anaerobic chamber 101 through the spiral feeder 1541, so that sufficient volatile fatty acid can be provided for the anaerobic chamber 101, and the acetic acid aqueous solution can be quantitatively fed due to the consistent volume of each storage cavity 157.
As shown in fig. 3, 11 and 12, the air conditioner further comprises an adjusting mechanism 16, the adjusting mechanism 16 comprises an air pump 161, a fixing plate 162, an air bag 163, a moving plate 164, first air pipes 165 and second air pipes 166, a plurality of air pumps 161 are uniformly and alternately bolted in the rotating block 156, the air pump 161 and the storage cavities 157 are in one-to-one correspondence, the fixing plate 162 is connected in the storage cavities 157, the air bag 163 is connected on the fixing plate 162, one side, far away from the fixing plate 162, of the air bag 163 is connected with the moving plate 164, a first air pipe 165 is communicated between an air outlet of the air pump 161 and the air bag 163, a second air pipe 166 is communicated at an air inlet of the air pump 161, and one end, far away from the air pump 161, of the second air pipe 166 is communicated with the outside.
When the charging amount of the acetic acid aqueous solution is required to be reduced, the air pump 161 can be controlled to pump outside air through the second air pipe 166, then air can be injected into the air bag 163 through the first air pipe 165, the air bag 163 can be expanded, the air bag 163 can drive the movable plate 164 to move along the direction of the storage cavity 157, so that the internal space of the storage cavity 157 can be occupied, when the acetic acid aqueous solution enters the storage cavity 157, the movable plate 164 can block the acetic acid aqueous solution, so that the volume of the acetic acid aqueous solution stored in the storage cavity 157 can be reduced, the charging amount of the acetic acid aqueous solution is reduced, the larger the volume of the air bag 163 is, the smaller the charging amount of the acetic acid aqueous solution is, and similarly, when the charging amount of the acetic acid aqueous solution is required to be increased, the air pump 161 can be controlled to reversely discharge the air in the air bag 163, the air bag 163 is reduced, and the smaller the charging amount of the acetic acid aqueous solution is increased each time.
As shown in fig. 13 and 14, the sedimentation device further comprises a rubber cover 171, wherein the rubber cover 171 is connected to the left side of the bottom in the sedimentation chamber 104, the rubber cover 171 is positioned right above the left end of the return pipe 135, and a cross opening 172 is formed in the rubber cover 171; at first, the rubber cover 171 blocks the upper left end of the return pipe 135, and the rubber cover 171 can make the cross opening 172 in a closed state under the self elastic action, so that the sludge in the settling chamber 104 can be prevented from blocking the end part of the return pipe 135, when the water in the installation shell 133 flows back into the settling chamber 104 through the return pipe 135, the cross opening 172 can be opened under the action of water pressure, and the cross opening 172 is in an open state, so that the backflow of clean water is not influenced.
It is to be understood that the above description is intended to be illustrative only and is not intended to be limiting. Those skilled in the art will appreciate variations of the present invention that are intended to be included within the scope of the claims herein.
Claims (10)
1. The utility model provides a sewage treatment degree of depth dephosphorization device, including shell (1), inlet tube (2), outlet pipe (3), lid (4), filter media (5), spray tube (9) and conveying component, the inside part of shell (1) is four treatment rooms, from a left side to right side is anaerobic chamber (101) in proper order, anoxic chamber (102), good oxygen room (103) and sedimentation chamber (104), communicate on shell (1) has inlet tube (2) and outlet pipe (3), the interval is equipped with four lid (4) on shell (1), sedimentation chamber (104) in-connection has filter media (5) that are used for filtering mud, the intercommunication has spray tube (9) on shell (1), spray tube (9) and good oxygen room (103) intercommunication, spray tube (9) external air pump package can be good oxygen room (103) provide, conveying component is used for carrying sewage to anoxic chamber (102) in good oxygen room (103) and sedimentation chamber (104) in proper order from anaerobic chamber (101), characterized in still including first motor (10), first screw rod (11), scraper blade (13) and collection mechanism (14), be connected with first screw rod (11) with first output shaft (11) on symmetry, the first screw rod (11) is rotationally connected with the shell (1), the scraping plate (12) is in threaded connection with the first screw rod (11), so that the scraping plate (12) can be driven to move left and right by the rotation of the first screw rod (11), the scraping plate (12) is contacted with the inner wall of the sedimentation chamber (104) to scrape off sludge adhered to the inner wall of the sedimentation chamber (104), the extruding mechanism (13) is used for extruding and dehydrating the sludge, and the collecting mechanism (14) is used for collecting the dehydrated sludge.
2. The advanced dephosphorization device for sewage treatment according to claim 1, wherein the conveying component comprises a water pump (6), a slurry pump (7) and a pipeline (8), wherein three water pumps (6) are connected to the shell (1) at intervals, the water outlets and water inlets of the water pumps (6) are respectively communicated with adjacent treatment chambers so as to sequentially convey sewage into different treatment chambers, the slurry pump (7) is connected with the shell (1), the pipeline (8) is respectively communicated with the water outlets and the water inlets of the slurry pump (7), and one ends, far away from the slurry pump (7), of the pipeline (8) are respectively communicated with the anaerobic chamber (101) and the sedimentation chamber (104) so as to convey sludge in the sedimentation chamber (104) into the anaerobic chamber (101) for recycling.
3. The advanced dephosphorization device for sewage treatment according to claim 2, wherein the extrusion mechanism (13) comprises an electric push rod (131), an extrusion plate (132), a mounting shell (133), a filtering frame (134), a return pipe (135) and a one-way valve (136), the electric push rod (131) is connected with the shell (1), the extrusion plate (132) is connected with a telescopic rod of the electric push rod (131) so as to drive the extrusion plate (132) to move up and down, the mounting shell (133) is connected with the shell (1), the mounting shell (133) is positioned under the extrusion plate (132), the filtering frame (134) is connected with the mounting shell (133), the scraping plate (12) moves to the right to scrape the sludge into the filtering frame (134), and when the extrusion plate (132) moves down, the sludge can be extruded and dehydrated, the return pipe (135) is communicated between the bottom of the mounting shell (133) and the sedimentation chamber (104) so that the water in the sludge can flow back into the sedimentation chamber (104), and the one-way valve (136) is arranged on the return pipe (135).
4. The device of claim 3, wherein the collecting mechanism (14) comprises a collecting frame (141), a mounting rod (142), a sliding block (143), a second screw (144), a connecting block (145), a third screw (146), a second motor (147), a pushing block (148) and a sealing ring (149), the collecting frame (141) for collecting sludge is connected to the housing (1), the mounting rod (142) is connected to the housing (1), the sliding block (143) is slidably connected to the mounting rod (142) and can slide back and forth, the sliding block (143) blocks the rear side of the mounting shell (133), the second screw (144) is rotatably connected to the mounting rod (142), the connecting block (145) is in threaded connection with the second screw (144), the connecting block (145) is fixedly connected to the sliding block (143) so that the second screw (144) rotates to drive the sliding block (143) to move back and forth, the third screw (146) is connected to the second screw (144), the second motor (147) is connected to the mounting shell (1), the second motor (146) is connected to the third screw (146) to the output shaft (133) to drive the third screw (146) to rotate and the third screw (146) to rotate in contact with the inner wall (133), so that the third screw rod (146) rotates to drive the pushing block (148) to slide forwards and backwards, the pushing block (148) moves backwards to push out sludge, and the pushing block (148) and the sliding block (143) are connected with sealing rings (149).
5. The advanced wastewater treatment dephosphorization apparatus according to claim 4, wherein the second screw (144) has a thread groove density greater than that of the third screw (146).
6. The advanced wastewater treatment dephosphorization apparatus according to claim 5, wherein the collecting mechanism (14) further comprises a bellows (1410), the bellows (1410) is connected between the pushing block (148) and the sliding block (143), and the bellows (1410) is sleeved outside the third screw (146) to protect the third screw (146).
7. The advanced dephosphorization device for sewage treatment according to claim 6, further comprising a charging mechanism (15), the charging mechanism (15) comprises a protection frame (151), a storage tank (152), a dust cover (153), a discharging pipe (154), a screw feeder (1541), a third motor (155) and a rotating block (156), the protection frame (151) is connected with a shell (1), the protection frame (151) is connected with the storage tank (152) for storing acetic acid aqueous solution, the dust cover (153) is connected with the storage tank (152) in a threaded manner, the discharging pipe (154) is communicated with the bottom of the storage tank (152), the screw feeder (1541) is installed in the protection frame (151), the screw feeder (1541) is used for communicating the discharging pipe (154) with the anaerobic chamber (101) so as to convey acetic acid aqueous solution into the anaerobic chamber (101), the third motor (155) is connected with the pipe (154), the rotating block (156) is connected with an output shaft of the third motor (155) so as to drive the rotating block (156) to rotate, the rotating block (156) is located in the anaerobic chamber (154), and the acetic acid aqueous solution is uniformly discharged and quantitatively fed into the storage chamber (157) by the plurality of the rotating blocks (156).
8. The advanced wastewater treatment dephosphorization apparatus as claimed in claim 7, wherein a handle is attached to the dust cap (153).
9. The advanced dephosphorization device for sewage treatment according to claim 8, further comprising an adjusting mechanism (16), wherein the adjusting mechanism (16) comprises an air pump (161), a fixed plate (162), an air bag (163), a moving plate (164), a first air pipe (165) and a second air pipe (166), a plurality of air pumps (161) are uniformly and alternately connected in the rotating block (156), the air pumps (161) are in one-to-one correspondence with the storage cavities (157), the fixed plates (162) are all connected in the storage cavities (157), the air bags (163) are all connected on the fixed plates (162), one sides, far away from the fixed plates (162), of the air bags (163) are all connected with the moving plate (164), a first air pipe (165) is communicated between the air outlet of the air pump (161) and the air bag (163), a second air pipe (166) is all communicated at the air inlet of the air pump (161), and one end, far away from the air pump (161), of the second air pipe (166) is communicated with the outside.
10. The advanced wastewater treatment dephosphorization apparatus according to claim 9, further comprising a rubber cover (171), wherein the rubber cover (171) is connected with the settling chamber (104), the rubber cover (171) is located right above the left end of the return pipe (135) to protect the left end of the return pipe (135), and a cross opening (172) is formed in the rubber cover (171).
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| CN202311266778.2A CN116986711B (en) | 2023-09-28 | 2023-09-28 | Advanced dephosphorization device for sewage treatment |
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| CN213407826U (en) * | 2020-07-25 | 2021-06-11 | 陈上海 | Industrial wastewater sedimentation tank |
| CN214059955U (en) * | 2020-12-23 | 2021-08-27 | 华跃建工有限公司 | Sludge discharge device for sewage treatment |
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