CN114772716B - Sludge precipitation separation treatment equipment adopting SBR (sequencing batch reactor) method - Google Patents
Sludge precipitation separation treatment equipment adopting SBR (sequencing batch reactor) method Download PDFInfo
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- CN114772716B CN114772716B CN202210553846.2A CN202210553846A CN114772716B CN 114772716 B CN114772716 B CN 114772716B CN 202210553846 A CN202210553846 A CN 202210553846A CN 114772716 B CN114772716 B CN 114772716B
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- 239000010802 sludge Substances 0.000 title claims abstract description 95
- 238000001556 precipitation Methods 0.000 title claims abstract description 47
- 238000000926 separation method Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000012163 sequencing technique Methods 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 144
- 238000004062 sedimentation Methods 0.000 claims abstract description 97
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 42
- 238000012216 screening Methods 0.000 claims description 38
- 238000007667 floating Methods 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 20
- 239000002893 slag Substances 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 5
- 239000008187 granular material Substances 0.000 abstract description 22
- 239000002245 particle Substances 0.000 description 53
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 15
- 239000001301 oxygen Substances 0.000 description 15
- 229910052760 oxygen Inorganic materials 0.000 description 15
- 238000007599 discharging Methods 0.000 description 14
- 230000009471 action Effects 0.000 description 12
- 238000005273 aeration Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 239000004744 fabric Substances 0.000 description 8
- 230000004913 activation Effects 0.000 description 7
- 238000002834 transmittance Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 5
- 230000026683 transduction Effects 0.000 description 5
- 238000010361 transduction Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000006213 oxygenation reaction Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010865 sewage 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1263—Sequencing batch reactors [SBR]
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses sludge precipitation separation treatment equipment by an SBR method, which comprises a sedimentation tank, a circulating device and a flow guiding device, wherein the circulating device is connected with the sedimentation tank, the flow guiding device is connected with the sedimentation tank, a sedimentation tank is arranged on the sedimentation tank, one side of the sedimentation tank is provided with a liquid inlet, the liquid inlet is communicated with the sedimentation tank, and one end of the liquid inlet, which is far away from the sedimentation tank, is communicated with a water source pipeline. Sedimentation tank is main installation basis, installs other devices, carries out water circulation through circulating device, improves precipitation separation efficiency, carries out water conservancy diversion through guiding device, and control pipeline break-make, inlet one end direction sedimentation tank, the other end passes through pipeline and water source intercommunication, through the pump pressure, sends into the sedimentation tank with treating the water in the sedimentation tank, and the reposition of redundant personnel section upper end is arranged along the sedimentation tank bottom, makes the mud granule in the water can be along the reposition of redundant personnel section direct downward flow that is close to self below, reduces the level of mud granule in the sedimentation tank to the mobility.
Description
Technical Field
The invention relates to the technical field of sludge precipitation treatment, in particular to SBR (sequencing batch reactor) sludge precipitation separation treatment equipment.
Background
The SBR method sludge precipitation treatment process is also called an intermittent aeration movable sludge method, and the whole precipitation treatment process is divided into five periods and sequentially comprises the following steps: the water inlet period, the aeration oxygenation period, the sedimentation period, the drainage period and the sludge discharge period are treated step by step, and the space segmentation is replaced by the time segmentation, so that the occupied area of sludge treatment is greatly reduced, and the occupied cost is saved.
However, most of the existing sludge precipitation treatment equipment simply fills air into the water body to be treated to perform aeration reaction, and only the contact area of water and oxygen can be slightly improved by consuming larger power in a conventional aeration mode, so that the aeration cost is increased. When precipitation is carried out, the time cost can be relatively increased through simple standing precipitation, and the concept of reducing the cost of enterprises is not met.
In addition, when drainage is performed, the precipitated sludge can be resuspended in the water body by water flow disturbance, so that the drainage quality is affected, and once a certain relatively large sludge particles are in the drainage pipeline, pipeline blockage is often caused, so that the drainage quality is affected. After the drainage is in a deflection state, the sludge with small particles is easier to precipitate, so that the bottom is deposited, in the long-time precipitation process, the sludge is pressed due to the water pressure, the sludge discharge is not facilitated, and when the residual sludge is reserved as a strain, the water seepage is not facilitated due to smaller gaps among the sludge with small particles, so that the secondary treatment efficiency is affected.
Disclosure of Invention
The invention aims to provide a sludge precipitation separation treatment device by an SBR method, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the sludge precipitation separation treatment equipment comprises a sedimentation tank, a circulating device and a flow guiding device, wherein the circulating device is connected with the sedimentation tank, the flow guiding device is connected with the sedimentation tank, a sedimentation tank is arranged on the sedimentation tank, one side of the sedimentation tank is provided with a liquid inlet, the liquid inlet is communicated with the sedimentation tank, and one end of the liquid inlet, which is far away from the sedimentation tank, is communicated with a water source pipeline.
Sedimentation tank is main installation basis, installs other each device, carries out water circulation through circulating device, improves precipitation separation efficiency, carries out water conservancy diversion through guiding device, and control pipeline break-make, inlet one end direction sedimentation tank, the other end pass through pipeline and water source intercommunication, through the pump pressure, sends into the sedimentation tank with pending water and handles.
Further, the precipitation tank bottom is equipped with the guide runner, guide runner upper end and precipitation tank switch on, circulating device switches on through guide runner and precipitation tank, circulating device includes the circulating pump, guide runner keeps away from precipitation tank one end and is equipped with the mounting groove, the circulating pump is arranged in the mounting groove, circulating pump import and guide runner intercommunication, the guide runner includes a plurality of reposition of redundant personnel sections, reposition of redundant personnel section upper end and precipitation tank intercommunication, the reposition of redundant personnel section end is equipped with the section that converges, a plurality of reposition of redundant personnel section bottom meet, reposition of redundant personnel section and section that converges communicate, section that converges communicates with the circulating pump, mounting groove one side is equipped with the circulating runner, circulating pump export and circulating runner switch on, circulating runner end and precipitation tank switch on.
The utility model discloses a sedimentation tank, including the sedimentation tank, the diversion channel is carried out, diversion channel one end and sedimentation tank switch on, the other end and circulating pump intercommunication, pump liquid through the circulating pump, circulate the water, be convenient for carry out preliminary screening to the water, install the circulating pump through the mounting groove, the diversion section upper end is arranged along the sedimentation tank bottom, through array arrangement, make the mud granule in the water can be along the diversion section direct downward flow that is close to self below, thereby get into forced circulation, reduce the horizontal flow ability of mud granule in the sedimentation tank, prevent mud to assemble in the middle of the sedimentation tank, the influence treatment effeciency, water that the diversion section carried is converged through the convergent section, carry out dynamic sedimentation to mud through forced circulation, reduce mud sedimentation time, improve sedimentation separation efficiency, the circulating pump passes through the pumping, send into the sedimentation tank again through the circulation runner with circulating water, carry out the forced circulation filtration of water.
Further, the spiral arrangement of section lower extreme that converges, section spiral diameter that converges from the top down reduces gradually, and the section export that converges includes reflux tank and screening groove, and the reflux tank is located section spiral skin that converges, and the screening groove is located section spiral inlayer that converges, screening groove and circulating pump intercommunication.
The utility model discloses a sewage treatment device, including the section that converges, the section lower extreme passes through spiral arrangement, make the water in the in-process that flows downwards, along spiral direction downwardly flowing, thereby produce centrifugal force, big, the mud of granule gets into the section that converges together along with the water, make mud granule centrifugation layering in the section that converges, under centrifugal force effect, because big granule's mud self gravity is great, under centrifugal force effect, make big granule mud be located the section that converges skin, little granule mud is located the section inlayer that converges, thereby carry out preliminary separation, be equipped with the baffle between big granule's mud reflux tank and the screening groove, make the water that carries big granule mud reentrant precipitation tank along the reflux tank, be convenient for deposit big granule mud, as the bacterial of next reaction precipitation process, big granule mud improves and waste water area, improve mud activation efficiency, avoid little granule mud siltation, influence activated sludge mobility.
Further, the diameter of the upper end of the diversion section gradually increases from inside to outside along the horizontal direction of the sedimentation tank.
Through the gradual change setting of reposition of redundant personnel section diameter from inside to outside, prevent that mud granule from blocking reposition of redundant personnel section upper end, carry out the water circulation back through the circulation runner, water lateral flow performance weakens, and mud mainly receives decurrent water impulsive force, makes big granule mud granule level to the atress reduce, follows the precipitation tank bottom mobility weakening.
Further, sludge precipitation separation treatment facility still includes the booster pump, booster pump import and circulation runner intercommunication, be equipped with the jet channel on the sedimentation tank, booster pump export and jet channel intercommunication, the jet channel end is equipped with the cavitation chamber, guiding device includes stop plate and driving motor, cavitation chamber one side is equipped with the stop tank, stop plate and stop tank rotate and connect, the cavitation chamber is through stop tank and the intermittent intercommunication of conflux section, the jet channel includes the compression section, the rectification section and expansion section, compression section, rectification section and expansion section arrange along the liquid flow direction in proper order, compression section diameter convergent setting, expansion section diameter divergent setting, rectification section one side is equipped with the bypass runner, rectification section one end and air intercommunication are kept away from to the bypass runner, driving motor arranges in the cavitation chamber, the driving motor output is equipped with the rotating paddle, the rotating paddle includes the oar axle, be equipped with a plurality of paddles along the oar axle circumference, the paddle is arranged in the arc, cavitation chamber arc, paddle and cavitation chamber wall sliding connection.
Through booster pump pressure boost, assist and carry out the aeration, booster pump one end is through circulation runner and precipitation tank intercommunication, through mechanical supercharging, speed up the water, make the water efflux advance in the incident runner, through compression section diameter convergent setting, along with the cross-section reduces that overflows, make efflux water speed further improve, in the water gets into the rectification section, the rectification section diameter is minimum, the water velocity of flow is the biggest, the pressure is minimum, the rectification section passes through bypass runner and air intercommunication, make the oxygen-containing air get into the rectification section through bypass runner, form miniature gas core in the efflux water, after the water that carries the gas core gets into the expansion section from the rectification section, along with external pressure reduction, the gas core in the water of penetrating grows rapidly, form the small bubble, carry out the cavitation, install driving motor through the cavitation chamber, driving motor drives the rotating paddle, the paddle of rotating direction front end is the evagination setting, the rear end is the cambered surface, carry out the flowing back through the front end, through forcing boost, make the stop plate rotate along the stop tank, cavitation through stop tank and confluence section intercommunication, thereby make rivers through the flow section, and through diversion flow and oxygen separation section, oxygen and oxygen separation section, the contact efficiency is improved, a plurality of aeration efficiency is improved, in the whole contact time, in the aeration course, the air bubble contact with the aeration efficiency is not uniform, the whole, the air bubble is activated in the air contact with the air flow, and the air flow, the air flow has been activated in the oxygen separation efficiency, and the oxygen separation efficiency is more than the oxygen, and air in the air.
Further, circulating device still includes drain pipe and detection component, the drain pipe water inlet end is equipped with the floating plate, be equipped with floating groove on the sedimentation tank, floating plate and floating groove sliding connection, the drain pipe water outlet end is equipped with the drain pump, be equipped with on the drain pipe and detect the chamber, detection component arranges in and detects the intracavity, detection component includes base plate and light source, the base plate is arranged in detecting the intracavity, be equipped with two electrode plates on the base plate, fill resin between two electrode plates and glue, two electrode plates respectively with power intercommunication, light source and base plate are counterpoint and arrange, the light source is glued towards the resin, the light source constitutes detection circuitry with two electrode plates, drain pump and detection circuitry electricity link.
The novel water draining device is characterized in that one end of the draining pipe is connected with the draining pump, when sedimentation is completed, the draining pipe is automatically drained, the floating plate drives the draining pipe to slide along the floating groove, the draining pipe is driven to move downwards along with the progress of the draining pipe, floating detection is carried out, the density of sludge particles is larger than that of a water body, after sedimentation is completed, the sedimentation is carried out, a plurality of positions are arranged at the bottom of the sedimentation groove, the density of sludge particles suspended in water is gradually increased along with the downward movement of the draining pipe, when water is pumped through the draining pipe, water flows into the detection cavity, the light source and the substrate are respectively positioned at two sides of the detection cavity, the light transmittance of the water body in the detection cavity is detected in real time, when the draining pipe is inserted into a deeper position of the water body, the concentration of the suspended sludge particles is increased, the light transmittance is reduced, the light transmitted by the light source is blocked, the light intensity irradiated onto the resin adhesive is reduced, the excited electron-hole pair is reduced, the current on a detection circuit is reduced, when the current value is lower than a standard value, the draining pump stops running, the draining is stopped, the sludge is prevented from being discharged along with the water flow, and the drainage quality is improved.
Further, the circulating device further comprises a blocking plate, a slag discharging port is arranged on the outer side of the spiral of the drain pipe, the blocking plate is in sliding connection with the slag discharging port, the water inlet end of the drain pipe is arranged in a spiral mode, the spiral diameter of the water inlet end of the drain pipe is gradually reduced from bottom to top, and the blocking plate is in an L-shaped arrangement.
The slag discharging port is positioned at the position, close to the inlet, of the drain pipe, the spiral arrangement with the gradually reduced upward spiral diameter enables muddy water flow to be centrifuged under the spiral action, the slag discharging port is positioned at the outer side of the spiral, large-particle sludge slides along the outer side wall surface of the spiral under the centrifugal action, when the slag discharging port is moved, one end of the blocking plate slides along the slag discharging port, the other end of the blocking plate is used for water transduction transmission, the blocking plate is driven to move upwards through the blocking plate transduction, the transduction end of the blocking plate is obliquely arranged, large-particle sludge is conveniently guided, the large-particle sludge is discharged from the slag discharging port, the large-particle sludge is prevented from entering the detection cavity along with the water body, and the detection accuracy is influenced.
As optimization, a screen is arranged in the screening groove. The screening groove carries out automatic screening to small granule mud through the inside screen cloth that sets up, screen cloth and screening groove swing joint, and the screen cloth is the pull setting, is convenient for regularly clear up screen cloth and screening groove, improves screening quality.
As optimization, the tail end of the screening groove is provided with a folding angle, the flowing direction of liquid in the screening groove is upward, and the screen mesh is positioned at the upward stroke tail end of the screening groove. The end of the screening groove is bent to reverse the flow of the liquid, so that the screen is positioned above the screening groove, the deposition space of the small-particle sludge is improved, the gravity direction of the small-particle sludge is opposite to the impact direction of the water flow, deposition can be performed under the action of dead weight, the screening efficiency is improved, and the screen is prevented from being blocked rapidly.
Compared with the prior art, the invention has the following beneficial effects: the diversion section enables sludge particles in the water body to flow downwards along the diversion section close to the lower part of the diversion section, so that forced circulation is carried out, the horizontal flow capacity of the sludge particles in the sedimentation tank is reduced, the sludge is prevented from converging and accumulating towards the middle of the sedimentation tank, the treatment efficiency is influenced, the sludge is dynamically precipitated through forced circulation, the sludge precipitation time is reduced, and the precipitation separation efficiency is improved; the large-particle sludge and the small-particle sludge are subjected to primary separation under the centrifugal action, so that the water body carrying the large-particle sludge enters the precipitation tank again along the reflux tank, the large-particle sludge is convenient to reserve, the large-particle sludge is used as a strain in the next reaction precipitation process, the contact area between the large-particle sludge and wastewater is increased, the sludge activation efficiency is improved, the small-particle sludge is prevented from being deposited, and the fluidity of the activated sludge is prevented from being influenced; oxygen-containing air enters the rectifying section through the bypass flow channel to form micro gas nuclei in the jet water body, cavitation is carried out after the water body carrying the gas nuclei enters the expansion section from the rectifying section, and the water body is split through the splitting section, so that the contact area of the water body and oxygen is pressurized, the oxygenation efficiency is improved, the aeration time is reduced, the sludge activation efficiency is improved, the oxygen and the water body are continuously contacted in the air bubble floating process, and the overall activation uniformity is improved through a plurality of splitting sections; after the sediment is finished, water is pumped through the drain pipe, water flow enters the detection cavity, the light transmittance of the water body in the detection cavity is detected in real time, when the current value is lower than the standard value, the drain pump stops rotating, the drainage is stopped, and when the drainage disturbance is prevented, sludge is discharged along with the water flow, so that the drainage quality is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic general construction of the present invention;
FIG. 2 is a schematic illustration of the forced circulation of a body of water of the present invention;
FIG. 3 is an enlarged view of part A of the view of FIG. 1;
FIG. 4 is an enlarged view of part B of the view of FIG. 1;
FIG. 5 is a H-H cross-sectional view of the view of FIG. 3;
FIG. 6 is a partial cross-sectional view of the floating plate and drain pipe of the present invention;
FIG. 7 is an enlarged view of part C of the view of FIG. 6;
FIG. 8 is a partial D-amp view of the view of FIG. 6;
in the figure: 1-sedimentation tank, 11-sedimentation tank, 12-diversion channel, 121-diversion section, 122-confluence section, 1221-backflow channel, 1222-screening tank, 13-stop tank, 14-cavitation chamber, 15-jet channel, 151-compression section, 152-rectification section, 153-expansion section, 16-floating tank, 17-circulation channel, 18-bypass channel, 2-circulation device, 21-circulation pump, 22-floating plate, 23-drain pipe, 231-slag discharge port, 232-detection cavity, 24-drain pump, 25-detection component, 251-electrode plate, 252-base plate, 253-light source, 26-screen, 27-blocking plate, 3-diversion device, 31-blocking plate, 32-driving motor, 33-rotating paddle, 4-booster pump.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides the technical scheme that:
as shown in figures 1-8, the sludge precipitation separation treatment equipment by the SBR method comprises a sedimentation tank 1, a circulating device 2 and a flow guiding device 3, wherein the circulating device 2 is connected with the sedimentation tank 1, the flow guiding device 3 is connected with the sedimentation tank 1, a sedimentation tank 11 is arranged on the sedimentation tank 1, a liquid inlet is arranged on one side of the sedimentation tank 11 and is communicated with the sedimentation tank 11, and one end of the liquid inlet, far away from the sedimentation tank 11, is communicated with a water source pipeline.
Sedimentation tank 1 is main installation basis, installs other devices, carries out water circulation through circulating device 2, improves precipitation separation efficiency, carries out water conservancy diversion through guiding device 3, and control pipeline break-make, inlet one end direction sedimentation tank 11 is interior, and the other end passes through pipeline and water source intercommunication, through the pump pressure, sends into the water that treats sedimentation tank 11 in and handles.
Further, the sedimentation tank 11 bottom is equipped with the guide runner 12, guide runner 12 upper end and sedimentation tank 11 switch on, circulating device 2 switches on through guide runner 12 and sedimentation tank 11, circulating device 2 includes circulating pump 21, guide runner 12 keeps away from sedimentation tank 11 one end and is equipped with the mounting groove, circulating pump 21 arranges the mounting groove in, circulating pump 21 import and guide runner 12 intercommunication, guide runner 12 includes a plurality of reposition of redundant personnel sections 121, reposition of redundant personnel section 121 upper end and sedimentation tank 11 intercommunication, reposition of redundant personnel section 121 end is equipped with the confluence section 122, a plurality of reposition of redundant personnel section 121 bottom meets, reposition of redundant personnel section 121 and confluence section 122 intercommunication, confluence section 122 and circulating pump 21 intercommunication, mounting groove one side is equipped with circulating runner 17, circulating pump 21 export and circulating runner 17 switch on, circulating runner 17 end and sedimentation tank 11 switch on.
The water diversion is carried out through the diversion channel 12, the diversion channel 12 is communicated with the sedimentation tank 11, the other end is communicated with the circulating pump 21, pump liquid is pumped by the circulating pump 21, circulation is carried out on the water, preliminary screening is carried out on the water conveniently, the circulating pump 21 is installed through the installation groove, the upper ends of the diversion sections 121 are arranged along the bottom of the sedimentation tank 11, the arrangement is carried out through the array, sludge particles in the water can flow downwards along the diversion sections 121 close to the lower side of the diversion sections, thereby forced circulation is carried out, the horizontal flow capacity of the sludge particles in the sedimentation tank 11 is reduced, the sludge is prevented from converging and accumulating in the middle of the sedimentation tank 11, the treatment efficiency is influenced, the water conveyed by the diversion sections 121 is converged through the converging sections 122, dynamic sedimentation is carried out on the sludge through forced circulation, the sludge sedimentation time is shortened, the sedimentation separation efficiency is improved, the circulating pump 21 is used for conveying the circulating water into the sedimentation tank 11 again through the circulating flow channel 17 through the pump pressure, and forced circulation filtration of the water is carried out.
Further, the lower end of the converging section 122 is spirally arranged, the spiral diameter of the converging section 122 is gradually reduced from top to bottom, the outlet of the converging section 122 comprises a reflux groove 1221 and a screening groove 1222, the reflux groove 1221 is positioned on the outer spiral layer of the converging section 122, the screening groove 1222 is positioned on the inner spiral layer of the converging section 122, and the screening groove 1222 is communicated with the circulating pump 21.
The lower extreme of the confluence section 122 is arranged through the spiral, the water body flows downwards along the spiral direction in the downward flowing process, thereby centrifugal force is generated, the sludge with big and small particles enters the confluence section 122 along with the water body, the sludge particles are centrifugally layered in the confluence section 122, under the action of the centrifugal force, the big particle sludge is positioned on the outer layer of the confluence section 122 under the action of the centrifugal force due to the big self gravity of the big particle sludge, the small particle sludge is positioned on the inner layer of the confluence section 122 under the action of the centrifugal force, and thus preliminary separation is carried out, the water body carrying the big particle sludge reenters the sedimentation tank 11 along the backflow tank 1221, the big particle sludge is convenient to be reserved, the contact area of the big particle sludge and the waste water is increased, the sludge activating efficiency is improved, and the influence of the small particle sludge accumulation on the fluidity of the activated sludge is avoided.
Further, the diameter of the upper end of the split-flow section 121 gradually increases from inside to outside along the horizontal direction of the precipitation tank 11.
Through the gradual change setting of reposition of redundant personnel section 121 diameter from inside to outside, prevent that mud granule from blocking the reposition of redundant personnel section upper end, carry out the water circulation back through circulation runner 17, the water lateral flow performance weakens, and mud mainly receives decurrent water impulsive force, makes big granule mud granule level to the atress reduce, follows precipitation tank 11 tank bottom mobility weakening.
Further, the sludge precipitation separation treatment equipment further comprises a booster pump 4, the inlet of the booster pump 4 is communicated with a circulating runner 17, a jet runner 15 is arranged on the sedimentation tank 1, the outlet of the booster pump 4 is communicated with the jet runner 15, a cavitation chamber 14 is arranged at the tail end of the jet runner 15, the flow guiding device 3 comprises a stop plate 31 and a driving motor 32, a stop groove 13 is arranged on one side of the cavitation chamber 14, the stop plate 31 is rotationally connected with the stop groove 13, the cavitation chamber 14 is intermittently communicated with a confluence section 122 through the stop groove 13, the jet runner 15 comprises a compression section 151, a rectification section 152 and an expansion section 153, the compression section 151, the rectification section 152 and the expansion section 153 are sequentially arranged along the liquid flow direction, the diameter of the compression section 151 is gradually reduced, the diameter of the expansion section 153 is gradually expanded, a bypass runner 18 is arranged on one side of the rectification section 152, one end of the bypass runner 18 is far away from the rectification section 152 and is communicated with air, the driving motor 32 is arranged in the cavitation chamber 14, a rotating paddle 33 is arranged at the output end of the driving motor 32, the rotating paddle 33 comprises a paddle shaft, a plurality of paddles are circumferentially arranged along the paddle shaft, the paddle arc are arranged in the arc, and the cavitation chamber 14 is in arc form, and are slidingly connected with the wall surface of the cavitation chamber 14.
The booster pump 4 is used for boosting and assisting in aeration, one end of the booster pump 4 is communicated with the sedimentation tank 11 through the circulating flow channel 17, the mechanical boosting is used for accelerating the water body, water body jet flow enters the incident flow channel 15, the diameter of the compression section 151 is gradually reduced, the speed of the jet flow water body is further improved along with the reduction of the overcurrent section, when the water body enters the rectifying section 152, the diameter of the rectifying section 152 is minimum, the flow speed of the water body is maximum, the pressure is minimum, the rectifying section 152 is communicated with air through the bypass flow channel 18, negative pressure is formed through the jet flow water body, oxygen-containing air enters the rectifying section 152 through the bypass flow channel 18, micro gas core is formed in the jet flow water body, after the water body carrying the gas core enters the expansion section 153 from the rectifying section 152, the external pressure is reduced, the gas core in the water jet body rapidly grows to form small bubbles, cavitation is carried out, the driving motor 32 is installed through the cavitation chamber 14, the driving motor 32 drives the rotating paddle 33 to rotate, the paddle at the front end of the rotating direction of the rotating paddle is arranged in a convex mode, the rear end of the rotating paddle is concave, liquid is discharged through the cambered surface of the front end, the stop plate 31 is enabled to rotate along the stop groove 13 through forced boosting, the cavitation chamber is communicated with the converging section 122 through the stop groove 13, so that bubble water flows through the converging section and is shunted through the shunting section 121, the contact area of pressurized water and oxygen is increased, oxygenation efficiency is improved, aeration time is reduced, sludge activation efficiency is improved, bubbles are continuously contacted with the water in the floating process, and overall activation uniformity is improved through the shunting sections 121.
Further, the circulation device 2 further comprises a drain pipe 23 and a detection assembly 25, the water inlet end of the drain pipe 23 is provided with a floating plate 22, the sedimentation tank 1 is provided with a floating groove 16, the floating plate 22 is in sliding connection with the floating groove 16, the water outlet end of the drain pipe 23 is provided with a drain pump 24, the drain pipe 23 is provided with a detection cavity 232, the detection assembly 25 is arranged in the detection cavity 232, the detection assembly 25 comprises a substrate 252 and a light source 253, the substrate 252 is arranged in the detection cavity 232, two electrode plates 251 are arranged on the substrate 252, resin glue is filled between the two electrode plates 251, the two electrode plates 251 are respectively communicated with a power supply, the light source 253 and the substrate 252 are in alignment arrangement, the light source 253 faces the resin glue, the light source 253 and the two electrode plates 251 form a detection circuit, and the drain pump 24 is electrically connected with the detection circuit.
The water draining device is characterized in that one end of the water draining pipe 23 is connected with the draining pump 24, after precipitation is completed, the water draining pipe 23 is driven to slide along the floating groove 16 through the floating plate 22, the water draining pipe 23 is driven to move downwards along with the progress of water draining, floating detection is carried out, the density of sludge particles is larger than that of water, after precipitation is completed, the water draining pipe 23 is arranged at the bottom of the precipitation groove, the density of suspended sludge particles in water is gradually increased along with the downward movement of the water draining pipe, when water is pumped through the water draining pipe 23, water flows into the detection cavity 232, the light source 253 and the substrate 252 are respectively arranged at two sides of the detection cavity 232, the light transmittance of the water in the detection cavity 232 is detected in real time, when the water draining pipe 23 is inserted into a deeper position of the water, the concentration of suspended sludge particles is increased, the light transmittance is reduced, the light transmission of the light source 253 is blocked, the light intensity irradiated onto resin adhesive is reduced, the excited electron-hole pair is reduced, current on a detection circuit is reduced, when the current value is lower than a standard value, the water draining pump 24 stops rotating, when the current value is lower than a standard value, water draining is stopped, when water is prevented from being disturbed, the water is discharged along with the water flow, and the water draining quality is improved.
Further, the circulation device 2 further comprises a blocking plate 27, the slag discharging opening 231 is arranged on the spiral outer side of the drain pipe 23, the blocking plate 27 is in sliding connection with the slag discharging opening 231, the water inlet end of the drain pipe 23 is arranged in a spiral mode, the spiral diameter of the water inlet end of the drain pipe 23 is gradually reduced from bottom to top, and the blocking plate 27 is arranged in an L shape.
The slag discharging port 231 is located at the position, close to the inlet, of the drain pipe 23, and is arranged in a spiral mode with an upward spiral diameter gradually reduced, so that mud-containing water flows under the spiral effect to generate centrifugation, the slag discharging port is located at the outer side of the spiral, large-particle sludge slides along the outer side wall surface of the spiral under the centrifugal effect, when the large-particle sludge moves to the slag discharging port 231, one end of the blocking plate slides along the slag discharging port 231, the other end of the blocking plate is used for water transduction transmission, the blocking plate 27 is driven to move upwards, the transduction end of the blocking plate is obliquely arranged, large-particle sludge is conveniently guided, the large-particle sludge is discharged from the slag discharging port 231, the large-particle sludge is prevented from entering the detection cavity along with the water body, and detection accuracy is affected.
Preferably, the screen 26 is disposed within the screening slot 1222. Screening tank 1222 carries out automatic screening to granule mud through the screen cloth of inside setting, screen cloth and screening tank 1222 swing joint, and the screen cloth is the pull setting, is convenient for regularly clear up screen cloth and screening tank 1222, improves screening quality.
Preferably, the end of the sizing slot 1222 is angled such that the direction of flow of liquid in the sizing slot 1222 is upward and the screen 26 is at the end of the upward travel of the sizing slot 1222. The end of the screening tank 1222 is bent to reverse the flow of the liquid, so that the screen 26 is positioned above the screening tank 1222, thereby improving the deposition space of the small-particle sludge, ensuring that the gravity direction of the small-particle sludge is opposite to the impact direction of the water flow, depositing under the action of dead weight, improving the screening efficiency and preventing the screen 26 from being blocked rapidly.
The working principle of the invention is as follows: the upper ends of the diversion sections 121 are arranged along the bottom of the sedimentation tank 11, and through the arrangement of the arrays, sludge particles in the water body can directly flow downwards along the diversion sections 121 close to the lower part of the diversion sections, so that forced circulation is carried out, the horizontal flow capacity of the sludge particles in the sedimentation tank 11 is reduced, and the sludge is prevented from converging and accumulating towards the middle of the sedimentation tank 11; the self gravity of the large-particle sludge is large, the large-particle sludge is positioned at the outer layer of the confluence section 122 and the small-particle sludge is positioned at the inner layer of the confluence section 122 under the action of centrifugal force, so that preliminary separation is carried out, the water body carrying the large-particle sludge is enabled to reenter the precipitation tank 11 along the reflux groove 1221, the large-particle sludge is convenient to be preserved, the large-particle sludge is used as a strain in the next reaction precipitation process, the contact area between the large-particle sludge and wastewater is increased, and the sludge activation efficiency is improved; through the diameter tapered setting of the compression section 151, the jet flow water body speed is further improved along with the reduction of the overcurrent section, when the water body enters the rectifying section 152, the diameter of the rectifying section 152 is minimum, the water body flow speed is maximum, the pressure is minimum, the rectifying section 152 is communicated with air through the bypass flow channel 18, negative pressure is formed through the jet flow water body, oxygen-containing air enters the rectifying section 152 through the bypass flow channel 18, micro gas nuclei are formed in the jet flow water body, after the water body carrying the gas nuclei enters the expansion section 153 from the rectifying section 152, the gas nuclei in the jet flow body rapidly grow along with the reduction of the external pressure, small bubbles are formed, cavitation is carried out, and the oxygen and the water body are continuously contacted in the floating process; after the precipitation is completed, as the drain pipe 23 moves downwards, the density of suspended sludge particles in water gradually increases, when water is pumped through the drain pipe 23, water flows into the detection cavity 232, the light transmittance of the water body in the detection cavity 232 is detected in real time, when the drain pipe 23 is inserted into a deeper position of the water body, the concentration of suspended sludge particles increases, the light transmittance decreases, the light propagation emitted by the light source 253 is blocked, the light intensity irradiated on the resin adhesive decreases, the excited electron-hole pair decreases, the current on a detection circuit decreases, when the current value is lower than a standard value, the drainage pump 24 stops rotating, and the drainage is terminated.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The sludge precipitation separation treatment equipment by the SBR method is characterized in that: the sludge precipitation separation treatment equipment comprises a sedimentation tank (1), a circulating device (2) and a flow guiding device (3), wherein the circulating device (2) is connected with the sedimentation tank (1), the flow guiding device (3) is connected with the sedimentation tank (1), a sedimentation tank (11) is arranged on the sedimentation tank (1), one side of the sedimentation tank (11) is provided with a liquid inlet, the liquid inlet is communicated with the sedimentation tank (11), and one end of the liquid inlet, far away from the sedimentation tank (11), is communicated with a water source pipeline;
the sedimentation tank is characterized in that a flow guide channel (12) is arranged at the bottom of the sedimentation tank (11), the upper end of the flow guide channel (12) is communicated with the sedimentation tank (11), the circulating device (2) is communicated with the sedimentation tank (11) through the flow guide channel (12), the circulating device (2) comprises a circulating pump (21), one end, far away from the sedimentation tank (11), of the flow guide channel (12) is provided with an installation groove, the circulating pump (21) is arranged in the installation groove, the inlet of the circulating pump (21) is communicated with the flow guide channel (12), the flow guide channel (12) comprises a plurality of flow dividing sections (121), the upper ends of the flow dividing sections (121) are communicated with the sedimentation tank (11), the tail ends of the flow dividing sections (121) are provided with confluence sections (122), the flow dividing sections (121) are communicated with the confluence sections (122), the flow dividing sections (122) are communicated with the circulating pump (21), one side of the installation groove is provided with a circulating flow guide channel (17), the outlet of the circulating pump (21) is communicated with the circulating flow guide channel (17), and the tail ends of the circulating flow channel (17) are communicated with the sedimentation tank (11).
The lower end of the converging section (122) is spirally arranged, the spiral diameter of the converging section (122) is gradually reduced from top to bottom, an outlet of the converging section (122) comprises a reflux groove (1221) and a screening groove (1222), the reflux groove (1221) is positioned on the spiral outer layer of the converging section (122), the screening groove (1222) is positioned on the spiral inner layer of the converging section (122), and the screening groove (1222) is communicated with the circulating pump (21);
the diameter of the upper end of the diversion section (121) gradually increases from inside to outside along the horizontal direction of the sedimentation tank (11);
the sludge precipitation separation treatment equipment further comprises a booster pump (4), an inlet of the booster pump (4) is communicated with a circulating runner (17), a jet runner (15) is arranged on the sedimentation tank (1), an outlet of the booster pump (4) is communicated with the jet runner (15), a cavitation chamber (14) is arranged at the tail end of the jet runner (15), the flow guiding device (3) comprises a stop plate (31) and a driving motor (32), one side of the cavitation chamber (14) is provided with a stop groove (13), the stop plate (31) and the stop groove (13) are rotationally connected, the cavitation chamber (14) is intermittently communicated through the stop groove (13) and a converging section (122), the jet runner (15) comprises a compression section (151), a rectifying section (152) and an expansion section (153), the compression section (151), the rectifying section (152) and the expansion section (153) are sequentially arranged along the liquid flow direction, the diameter of the compression section (151) is gradually reduced, the diameter of the expansion section (153) is gradually increased, one side of the rectifying section (152) is provided with a bypass runner (18), one end of the rectifying section (152) is far away from the driving motor (18) and is far away from the driving motor (32), the rotating paddle (33) comprises a paddle shaft, a plurality of paddles are arranged along the periphery of the paddle shaft, the paddles are arranged in an arc shape, the cavitation chambers (14) are arranged in an arc shape, and the paddles are connected with the wall surfaces of the cavitation chambers (14) in a sliding manner;
the circulating device (2) further comprises a drain pipe (23) and a detection assembly (25), wherein a floating plate (22) is arranged at the water inlet end of the drain pipe (23), a floating groove (16) is formed in the sedimentation tank (1), the floating plate (22) and the floating groove (16) are in sliding connection, a drainage pump (24) is arranged at the water outlet end of the drain pipe (23), a detection cavity (232) is formed in the drain pipe (23), the detection assembly (25) is arranged in the detection cavity (232), the detection assembly (25) comprises a substrate (252) and a light source (253), the substrate (252) is arranged in the detection cavity (232), two electrode plates (251) are arranged on the substrate (252), resin glue is filled between the two electrode plates (251), the two electrode plates (251) are respectively communicated with a power supply, the light source (253) and the substrate (252) are in alignment arrangement, the light source (253) faces the resin glue, the light source (253) and the two electrode plates (251) form a detection circuit, and the drainage pump (24) and the detection circuit are electrically connected.
2. The SBR sludge precipitation separation processing apparatus according to claim 1, wherein: the circulating device (2) further comprises a blocking plate (27), a slag discharge port (231) is formed in the spiral outer side of the drain pipe (23), the blocking plate (27) is in sliding connection with the slag discharge port (231), the water inlet end of the drain pipe (23) is spirally arranged, the spiral diameter of the water inlet end of the drain pipe (23) is gradually reduced from bottom to top, and the blocking plate (27) is in L-shaped arrangement.
3. The SBR sludge precipitation separation processing apparatus according to claim 2, wherein: a screen (26) is arranged in the screening groove (1222).
4. The SBR sludge precipitation separation processing apparatus according to claim 3, wherein: the tail end of the screening groove (1222) is provided with a folding angle, the flow direction of liquid in the screening groove (1222) is upward, and the screen (26) is positioned at the upward stroke tail end of the screening groove (1222).
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| CN202210553846.2A CN114772716B (en) | 2022-05-19 | 2022-05-19 | Sludge precipitation separation treatment equipment adopting SBR (sequencing batch reactor) method |
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| CN115180779B (en) * | 2022-08-15 | 2023-07-04 | 美人鱼企业发展有限公司 | Domestic sewage purification and recycling device |
| CN115342065B (en) * | 2022-08-30 | 2024-06-21 | 合肥凯泉电机电泵有限公司 | Water pump with self-cleaning anti-blocking function |
| CN116328401B (en) * | 2023-03-21 | 2023-09-22 | 依科(南通)环保科技有限公司 | Vacuum negative pressure filter equipment is used in lathe waste liquid treatment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1162650A (en) * | 1956-10-03 | 1958-09-16 | Process and installations for the mechanical and biological purification of domestic waste water or the like | |
| KR950023286U (en) * | 1994-01-07 | 1995-08-21 | 한상배 | Abandonment tank built-in sedimentation tank which returns sludge to aeration tank without gravity by gravity |
| CN105712510A (en) * | 2016-04-15 | 2016-06-29 | 柳州市文峰养殖场 | Use method of jet aeration device |
| CN105884140A (en) * | 2016-06-12 | 2016-08-24 | 武汉东川自来水科技开发有限公司 | High-concentration colored sewage treatment system and method |
| WO2017215675A1 (en) * | 2016-06-12 | 2017-12-21 | 武汉东川自来水科技开发有限公司 | Energy self-supplying treatment system for high-density wastewater, and method |
| CN208865541U (en) * | 2018-08-21 | 2019-05-17 | 中山市黄圃食品工业园污水处理有限公司 | A kind of sewage disposal system with tube settling and air-flotation process |
| CN208943530U (en) * | 2018-10-15 | 2019-06-07 | 山西同晋新农环境科技有限公司 | A kind of sedimentation basin of sewage disposal convenient for quickly cleaning mud |
| KR102042478B1 (en) * | 2019-03-26 | 2019-11-08 | 주식회사 가경코스모 | wastewater treatment apparatus including sedimentation tank and water separator |
| CN111643963A (en) * | 2020-05-07 | 2020-09-11 | 郑剑波 | Industrial wastewater combined utilization treatment device |
-
2022
- 2022-05-19 CN CN202210553846.2A patent/CN114772716B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1162650A (en) * | 1956-10-03 | 1958-09-16 | Process and installations for the mechanical and biological purification of domestic waste water or the like | |
| KR950023286U (en) * | 1994-01-07 | 1995-08-21 | 한상배 | Abandonment tank built-in sedimentation tank which returns sludge to aeration tank without gravity by gravity |
| CN105712510A (en) * | 2016-04-15 | 2016-06-29 | 柳州市文峰养殖场 | Use method of jet aeration device |
| CN105884140A (en) * | 2016-06-12 | 2016-08-24 | 武汉东川自来水科技开发有限公司 | High-concentration colored sewage treatment system and method |
| WO2017215675A1 (en) * | 2016-06-12 | 2017-12-21 | 武汉东川自来水科技开发有限公司 | Energy self-supplying treatment system for high-density wastewater, and method |
| CN208865541U (en) * | 2018-08-21 | 2019-05-17 | 中山市黄圃食品工业园污水处理有限公司 | A kind of sewage disposal system with tube settling and air-flotation process |
| CN208943530U (en) * | 2018-10-15 | 2019-06-07 | 山西同晋新农环境科技有限公司 | A kind of sedimentation basin of sewage disposal convenient for quickly cleaning mud |
| KR102042478B1 (en) * | 2019-03-26 | 2019-11-08 | 주식회사 가경코스모 | wastewater treatment apparatus including sedimentation tank and water separator |
| CN111643963A (en) * | 2020-05-07 | 2020-09-11 | 郑剑波 | Industrial wastewater combined utilization treatment device |
Non-Patent Citations (1)
| Title |
|---|
| 斜板沉淀池在一体化氧化沟中的作用;王秀蘅, 孙卫东, 刘俊新, 李玉华;中国给水排水(11);全文 * |
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