CN110448941B - In-situ microorganism purification device - Google Patents
In-situ microorganism purification device Download PDFInfo
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- CN110448941B CN110448941B CN201910446051.XA CN201910446051A CN110448941B CN 110448941 B CN110448941 B CN 110448941B CN 201910446051 A CN201910446051 A CN 201910446051A CN 110448941 B CN110448941 B CN 110448941B
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 15
- 238000000746 purification Methods 0.000 title claims abstract description 12
- 244000005700 microbiome Species 0.000 title claims abstract description 9
- 238000004062 sedimentation Methods 0.000 claims abstract description 129
- 239000010865 sewage Substances 0.000 claims abstract description 63
- 238000005273 aeration Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- 239000010802 sludge Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 17
- 238000011144 upstream manufacturing Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009991 scouring Methods 0.000 claims description 2
- 230000000813 microbial effect Effects 0.000 claims 5
- 238000005086 pumping Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 9
- 238000011010 flushing procedure Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0006—Settling tanks provided with means for cleaning and maintenance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0015—Controlling the inclination of settling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2455—Conveyor belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
- B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- 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)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to an in-situ microorganism purification device which comprises two aeration filters and a sedimentation tank, wherein the two aeration filters are symmetrically arranged, the sedimentation tank is of a horizontal flow type structure, a circulating enclosing baffle is arranged outside the sedimentation tank, a reverse-shaped circulating cavity is formed by the circulating enclosing baffle and the outer wall of the sedimentation tank, two rectifying plates are respectively arranged at the upper end and the lower end of the sedimentation tank, a mud conveying belt is arranged on each rectifying plate, a mud conveying pipe is respectively arranged at the lower end of each mud conveying belt, mud interception plates are respectively arranged at opposite sides of the two rectifying plates, a circulating pump is respectively arranged at the upper end and the lower end of the sedimentation tank, a circulating pipeline communicated with the circulating cavity is arranged below the sedimentation tank, and the two circulating pumps are respectively communicated with the circulating pipeline through a pumping pipeline.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an in-situ microorganism purification device.
Background
At present, a popular biological denitrification method in sewage treatment is an A/O (anaerobic-oxidation) method which is initiated in the early 80 s; the method is mainly characterized in that a denitrification section is arranged at the head of the treatment process, so that the method is also called a pre-denitrification biological denitrification treatment method; biological denitrification has multiple steps and is performed (in situ) under the condition that river channels or water areas are not moving; the device comprises two symmetrical aeration filters, and aerobic aeration is carried out in the filters through a submerged motor arranged under water; wherein can be provided with a sewage sedimentation tank between two bological aerated filters, traditional sewage sedimentation tank structure is single, adopts the method of standing promptly, and with the sewage that is in its inside standing for a certain time, makes its inside mud sink to the bottom of the pool and realizes mud and water's separation, and this mode existence efficiency is very slow, is not fast enough to sewage treatment's speed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an in-situ microorganism purifying device.
The invention discloses an in-situ microorganism purification device which comprises two aeration filters and a sedimentation tank, wherein the two aeration filters are symmetrically arranged, the sedimentation tank is arranged between the two aeration filters and is used for sedimentation of sludge, the sedimentation tank is of a horizontal flow type structure, a circulating enclosing baffle is arranged outside the sedimentation tank, a back-shaped circulating cavity is formed by the circulating enclosing baffle and the outer wall surface of the sedimentation tank, the upper end and the lower end of the sedimentation tank are respectively provided with a rectifying plate, each rectifying plate is provided with a sludge conveying belt, the lower end of each sludge conveying belt is respectively provided with a sludge conveying pipe, the sludge conveying pipes vertically penetrate through the sedimentation tank, one opposite sides of the two rectifying plates are respectively connected with a mud interception plate in a shaft way, the free end of each mud interception plate is downwards suspended and is close to the bottom of the sedimentation tank, a power device in transmission connection with the mud interception plate is respectively arranged at the side of each mud interception plate, the upper end and the lower end of the sedimentation tank are respectively provided with a circulating pump, the circulating pipeline is communicated with the circulating cavity, the two circulating pumps are respectively communicated with the circulating pipeline and the upper end and the lower end of the sedimentation tank are respectively provided with a material outlet and the material outlet is communicated with the material outlet.
Further, each rectifying plate is horizontally arranged and is used for sealing opening areas at the upper end and the lower end of the sedimentation tank respectively, a rectangular notch for installing a mud conveying belt is formed in each rectifying plate, an installation interval for placing a mud pipe is reserved between the lower end of the mud conveying belt and one end face in the rectangular notch, the upper surface of the mud conveying belt is flush with the upper surface of the mud pipe, and the conveying direction of the mud conveying belt is perpendicular to the flowing direction of sewage in the sedimentation tank.
Further, an arc-shaped groove which is in clearance fit with the mud conveying belt is formed in one side of the mud conveying belt, which faces the mud conveying belt, of the mud conveying pipe.
Further, the below of sedimentation tank upstream end is provided with extends the storehouse, extend the cross section in storehouse and be the trapezoidal of inversion, extend storehouse and deposit Chi Naxiang intercommunication, the junction of extension storehouse and sedimentation tank is provided with the mud guard that is used for with the two mutually isolated, the inner wall of sedimentation tank is equipped with the fly leaf, the fly leaf passes through the spring and can vertical activity setting, the fly leaf corresponds the mud guard setting, the side of mud guard is provided with the start-stop oil pole, the pole body tip and the fly leaf coupling cooperation of start-stop oil pole, the piston rod of start-stop oil pole passes through the linkage piece and prevents the top coupling cooperation of mud guard, the anterior segment part that the sedimentation tank downstream end was kept away from to the mud guard is the rubber slab of folding structure.
Further, one U-shaped groove is respectively formed in one opposite side of each of the two mud cutting boards, one end of each of the two mud cutting boards is respectively connected in the U-shaped groove in a shaft mode, two rectangular notches are respectively close to one U-shaped groove, the distance between each rectangular notch and the close U-shaped groove is not more than 3cm, the power device comprises a servo oil rod, the end portion of a rod body of the servo oil rod is connected with the inner wall of the sedimentation tank in a shaft mode, the front end of a piston rod of the servo oil rod is connected with the side portion of the free end of the mud cutting board in a hinged mode through a compensation block, and the mud cutting boards can enable the free end of the mud cutting boards to rotate upwards by 135-155 degrees through the servo oil rod.
Further, two U-shaped diversion tables are arranged in the circulation cavity, the two diversion tables are symmetrically arranged, the opening surfaces of the two diversion tables are arranged in opposite directions, each diversion table wraps the outer wall of the sedimentation tank through the respective opening surface, two circulation ports are symmetrically arranged in the circulation cavity, the two circulation ports are respectively positioned outside one long side of the sedimentation tank and are both positioned between the two diversion tables, the tops of the two ends of the opening of the diversion tables are respectively provided with a first drainage inclined surface, the other end of the diversion table is symmetrically provided with two second drainage inclined surfaces, the two ends of the circulation pipeline are respectively communicated with one circulation port,
further, two material pumping pipelines are symmetrically arranged on the periphery of the circulating pipeline, the two material pumping pipelines correspond to the middle section of the circulating pipeline, one end of each material pumping pipeline, which is communicated with the circulating pipeline, is provided with a first control valve, the input end of each circulating pump is respectively communicated with the other end of the material pumping pipeline, the output end of each circulating pump is respectively communicated with the sediment Chi Naxiang through a supply pipeline, each supply pipeline is provided with a second control valve and a third control valve, the upper part of each supply pipeline is provided with a water inlet pipe and a water outlet pipe, and the upper parts of the water inlet pipe and the water outlet pipe are respectively provided with a fourth control valve.
Further, a mud scraping device is arranged above the sedimentation tank.
Further, a liquid level sensor is arranged in the circulation cavity, a controller is arranged outside the sedimentation tank, and the controller is electrically connected with the liquid level sensor.
Further, the opening and closing gate comprises a gate plate and a gate cylinder, wherein the gate plate is vertically arranged, the gate cylinder is vertically arranged above the sedimentation tank, and a piston shaft of the gate cylinder is in transmission connection with the gate plate through an L-shaped plate.
The beneficial effects are that: the invention relates to an in-situ microorganism purifying device, wherein a water inlet pipe/water outlet pipe is respectively communicated with an aeration filter; the aeration filter corresponding to the water inlet pipe delivers the sewage in the water inlet pipe into the sedimentation tank, and the sewage is transferred into the sedimentation tank through the water inlet pipe and a supply pipeline at the water inlet pipe, at the moment, a fourth control valve corresponding to the water inlet pipe area is closed, so that the sewage is prevented from flowing back into a circulating pump of the area; after sewage flows into the sedimentation tank, the sewage is corrected and limited by the rectifying plate, and flows directly to the downstream end of the sedimentation tank at a certain speed and contacts a mud interception plate at the downstream end of the sedimentation tank, a filter hole on the mud interception plate enables water to pass through, the mud is intercepted, the process is about to seconds, then a servo oil rod of the mud interception plate works, the mud interception plate is rapidly rotated anticlockwise upwards, the rotation angle is within the range, the mud interception plate is in an inclined posture above the rectifying plate relative to the interception surface at the upstream end of the sedimentation tank in advance, the mud on the interception surface is fallen onto a mud conveying belt corresponding to the mud interception plate area due to the inclined posture and the rotating inertia force, the output surface of the mud conveying belt is used for receiving the flowing mud, the mud is in a high-speed movement state of the conveying plane, the mud is brought into a mud conveying pipe, the mud is discharged to a set area by the mud conveying pipe, the mud interception plate is rapidly reset, and the next work is performed, and the mud in the mud interception plate is transferred for a plurality of times; meanwhile, the supply pipeline at the downstream end of the corresponding sedimentation tank is in a closed state, so that sewage enters the circulation cavity after once screening flowing, then the liquid level sensor is used for sensing the liquid level in the circulation cavity, and feeding back to the controller after reaching a set standard, the controller instructs external power equipment to stop the supply of sewage in the sedimentation tank, then the circulation pump at the downstream end of the corresponding sedimentation tank works, and simultaneously the first control valve on the pumping pipeline of the corresponding circulation pump opens the pumping pipeline, so that the acting force of the sewage well circulation pump in the circulation pipeline reaches the pumping pipeline, and the acting force is continuously exerted by the circulation pump, and is delivered into the sedimentation tank from the downstream end of the sedimentation tank, and then a mud interception board close to the upstream end of the sedimentation tank works to intercept the reversely flowing sewage; meanwhile, at the moment, a supply pipeline corresponding to the upstream end of the sedimentation tank is closed, a starting gate is opened, so that sewage flows into the circulation cavity again, and the steps are repeated to realize the effect of repeated brown circulation flushing; after flushing for a certain number of times and precipitating for a certain time, all the starting gates are closed finally, and then a fourth control valve at the water outlet pipe is opened, so that the purified water source is discharged from the water outlet pipe; the invention adopts the circulation flow at two ends to realize repeated flushing of sewage and accelerate the sludge separation efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic plan view of a first embodiment of the present invention;
FIG. 2 is a schematic plan view of a second embodiment of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is an enlarged view of FIG. 3 at A;
FIG. 5 is an enlarged view of FIG. 3 at B;
FIG. 6 is a schematic view of a partial perspective view of the present invention;
FIG. 7 is an enlarged view of FIG. 5 at C;
FIG. 8 is a schematic diagram of a partial perspective view of a second embodiment of the present invention;
FIG. 9 is a schematic plan view of a third embodiment of the present invention;
FIG. 10 is an enlarged view of FIG. 9 at D;
FIG. 11 is a schematic view of a partial perspective view of a third embodiment of the present invention;
reference numerals illustrate: and an aeration filter tank 1.
A liquid level sensor 2.
Sedimentation tank 3, restrictor plate 3b, restrictor cylinder 3c.
Extension bin 4, mud guard 4a, movable plate 4b, spring 4c, oil rod 4d, rubber plate 4r.
A circulation pump 5, a supply pipe 5a, a second control valve 5b, a third control valve 5c, a pumping pipe 5d, a water inlet pipe 5r, a water outlet pipe 5k, and a fourth control valve 5m.
A circulation line 6, a first control valve 6a.
The mud pipe comprises a rectifying plate 7, a mud conveying belt 7a, a mud conveying pipe 7b, an arc-shaped groove 7c, a mud interception plate 7d and a servo oil rod 7p.
The circulation cavity 8, the flow guiding table 8a, the first flow guiding inclined surface 8b, the second flow guiding inclined surface 8c and the circulation port 8d.
A mud scraping device 9.
Detailed Description
Various embodiments of the invention are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the invention. That is, in some embodiments of the invention, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1 to 11, an in-situ microorganism purification device comprises two aeration filters 1 symmetrically arranged and a sedimentation tank 3 arranged between the two aeration filters and used for sedimentation of sludge, wherein the sedimentation tank 3 is of a flat flow structure, a circulating enclosing baffle is arranged outside the sedimentation tank 3, the circulating enclosing baffle and the outer wall surface of the sedimentation tank 3 are constructed into a back-shaped circulating cavity 8, the upper and lower ends of the sedimentation tank 3 are respectively provided with a rectifying plate 7, each rectifying plate 7 is provided with a sludge conveying belt 7a, the lower end of each sludge conveying belt 7a is respectively provided with a sludge conveying pipe 7b, the sludge conveying pipes 7b vertically penetrate through the sedimentation tank 3, one side of each rectifying plate 7 is respectively connected with a mud cutting plate 7d in a shaft way, the free end of each mud cutting plate 7d is downwards suspended, the side of each mud cutting plate 7d is respectively provided with a power device connected with the circulating cavity 8, the upper and lower ends of the sedimentation tank 3 are respectively provided with a circulating pump 5, the lower ends of each sedimentation tank 3 are respectively provided with a sludge conveying pipe 7b, the lower ends of each circulating pump 6 are respectively provided with a material discharging port 6, and the circulating pump 6 are respectively communicated with the material discharging ports 6 in the circulating cavities 3.
Each rectifying plate 7 is horizontally arranged and is used for sealing opening areas at the upper end and the lower end of the sedimentation tank 3 respectively, rectangular gaps for installing the mud conveying belt 7a are formed in the rectifying plates 7, installation intervals for placing the mud conveying pipes 7b are reserved between the lower end of the mud conveying belt 7a and one end face in each rectangular gap, the upper surface of the mud conveying belt 7a is flush with the upper surface of the mud conveying pipe 7b, and the conveying direction of the mud conveying belt 7a is perpendicular to the flowing direction of sewage in the sedimentation tank 3; the rectifying plate 7 functions in: the device is used for controlling the height of sewage flowing out of the upper and lower ends of the sedimentation tank 3, preventing great fluctuation when the sewage at the inlet/outlet flows out, and changing the liquid level limit of one height of the sewage at the inlet/outlet so that the sewage in the whole section of sedimentation tank 3 flows in a stable state; and also to constitute an installation supporting action for the running mud conveyor 7 a; the lower surface of the mud conveying belt 7a is smaller than the lower surface of the rectifying plate 7, namely, the mud conveying belt is not contacted with sewage on the lower surface of the rectifying plate 7; meanwhile, the distance between the side part of the sludge conveying belt 7a and the side wall of the rectangular notch is of a gap level, so that the sludge on the sludge conveying belt 7a is prevented from leaking.
One side of the mud conveying pipe 7b facing the mud conveying belt 7a is provided with an arc-shaped groove 7c in clearance fit with the mud conveying belt 7 a; the arc-shaped groove 7c has the function of enabling the mud conveying pipe 7b to be in clearance fit with the mud conveying belt 7a, so that the mud can be directly transited into the mud conveying pipe 7b in the mud conveying process on the tree by the mud conveying belt 7a, the influence of the interval between the mud conveying pipe 7b and the mud conveying belt is avoided, namely, the clearance is avoided, and meanwhile, the mud conveying belt 7a can work stably.
An extension bin 4 is arranged below the upstream end of the sedimentation tank 3, the cross section of the extension bin 4 is in an inverted trapezoid shape, the extension bin 4 is communicated with the sedimentation tank 3, a mud guard 4a for isolating the extension bin 4 from the sedimentation tank 3 is arranged at the joint of the extension bin 4 and the sedimentation tank 3, a movable plate 4b is arranged on the inner wall of the sedimentation tank 3, the movable plate 4b can be vertically and movably arranged through a spring 4c, the movable plate 4b is arranged corresponding to the mud guard 4a, an opening and closing oil rod 4d is arranged beside the mud guard 4a, the rod body end part of the opening and closing oil rod 4d is in shaft joint with the movable plate 4b, a piston rod of the opening and closing oil rod 4d is in shaft joint with the top of the mud guard 4a through a linkage block, and the front section of the mud guard 4a far away from the downstream end of the sedimentation tank 3 is a rubber plate 4r in a folding structure; the extension bin 4 at the upstream end of the sedimentation tank 3 is used for the sludge action of transitional sedimentation; specifically, after sewage in the sedimentation tank 3 is precipitated for a certain time, separating sludge from water medium, sinking the sludge to the bottom of the sedimentation tank 3, and leaving the sedimentation tank 3 from an upper water source by acting force of a circulating pump 5; finally, the oil rod 4d is started and stopped to work so as to drive the mud guard 4a to translate, in the process, the oil rod 4d is subjected to translation acting force so as to force the movable plate 4b to perform compensation action of vertical movement, so that the mud guard 4a can stably translate, an opening of the extension bin 4 is opened, and sludge at the bottom of the sedimentation tank 3 can be discharged; meanwhile, the mud guard 4a can squeeze the rubber plate 4r at the front end part in the translation process, and the mud guard 4a has the capability of translation and resetting because the rubber plate 4r is of a folding structure.
One opposite sides of the two mud cutting boards 7d are respectively provided with a U-shaped groove, one ends of the two mud cutting boards 7d are respectively connected in the U-shaped groove in a shaft mode, two rectangular notches are respectively close to the U-shaped groove, the distance between each rectangular notch and the close U-shaped groove is not more than 3cm, the power device comprises a servo oil rod 7p, the end portion of a rod body of the servo oil rod 7p is connected with the inner wall of the sedimentation tank 3 in a shaft mode, the front end of a piston rod of the servo oil rod 7p is connected with the side portion of the free end of the mud cutting board 7d in a hinged mode through a compensation block, and the free end of the mud cutting board 7d can be driven to rotate upwards by 135-155 degrees through the servo oil rod 7 p; when sewage enters from the upstream end of the sedimentation tank 3, the sewage passes through a mud interception plate 7d at the downstream end of the sedimentation tank 3 at a certain flow rate, the water flow passes through a filtering hole on the mud interception plate 7d, and the mud is intercepted, the process is about 3-4 seconds, then a servo oil rod 7p of the mud interception plate 7d works, the mud interception plate 7d is rapidly rotated upwards anticlockwise, the rotation angle is 135-155 degrees, the mud interception plate 7d is positioned above the rectifying plate 7 in an inclined posture relative to the section surface of the upstream end of the sedimentation tank 3 in advance, the mud on the section surface is fallen onto a mud conveying belt 7a corresponding to the area of the mud interception plate 7d due to the inclined posture, and the output surface of the mud conveying belt 7a is used for receiving the flowing mud, the high-speed motion state of the conveying plane of the sludge treatment device enables the sludge to be brought into the sludge conveying pipe 7b, so that the sludge is discharged to a set area through the sludge conveying pipe 7b, the mud interception plate 7d is reset rapidly, the next interception work is implemented, the sludge in the sewage is intercepted and transferred for many times, after the sewage passes through one-time screening flowing, the sewage enters the circulating cavity 8, after the set quantity is reached, the sewage is pumped out of the circulating cavity 8 by acting force of the circulating pump 5 corresponding to the downstream end of the sedimentation tank 3, and is conveyed in the direction from the downstream end of the sedimentation tank 3 to the upstream end of the sedimentation tank in a return gesture, in the process, the mud interception purpose is implemented by the mud interception plate 7d corresponding to the upstream end of the sedimentation tank 3, namely, the two mud interception plates 7d operate sequentially, and the purpose of repeatedly scouring the sludge interception is formed.
Two U-shaped diversion tables 8a are arranged in the circulation cavity 8, the two diversion tables 8a are symmetrically arranged, the opening surfaces of the two diversion tables are opposite to each other, each diversion table 8a wraps the outer wall of the sedimentation tank 3 through the corresponding opening surface, two circulation ports 8d are symmetrically arranged in the circulation cavity 8, the two circulation ports 8d are respectively positioned outside one long side of the sedimentation tank 3, the two circulation ports are respectively positioned between the two diversion tables 8a, a first drainage inclined surface 8b is respectively arranged at the top of each of the two ends of the opening of the diversion table 8a, two second drainage inclined surfaces 8c are symmetrically arranged at the other end of the diversion table 8a, and two ends of the circulation pipeline 6 are respectively communicated with one circulation port 8 d; the acting force of the first drainage inclined planes 8b on the two sections of the opening area of each flow guiding table 8a is used for guiding sewage to the position of the circulating port 8d so as to prevent the sewage from forming accumulation in the circulating cavity 8, and meanwhile, the two second drainage inclined planes 8c on the section of the flow guiding table 8a connected with the two sections of the opening area are used for guiding the sewage towards the respective two sections in a delivery mode, so that the sewage is prevented from forming accumulation.
The two material pumping pipelines 5d are symmetrically arranged on the periphery of the circulating pipeline 6, the two material pumping pipelines correspond to the middle section of the circulating pipeline 6, a first control valve 6a is arranged at one end, communicated with the circulating pipeline 6, of each material pumping pipeline 5d, the input end of each circulating pump 5 is respectively communicated with the other end of the material pumping pipeline 5d, the output end of each circulating pump 5 is respectively communicated with the interior of the sedimentation tank 3 through a supply pipeline 5a, a second control valve 5b and a third control valve 5c are arranged on each supply pipeline 5a, a water inlet pipe 5r and a water outlet pipe 5k are respectively arranged above each supply pipeline 5a, and a fourth control valve 5m is respectively arranged on each water inlet pipe 5r and each water outlet pipe 5 k; the two circulation pipelines 6 are used for circularly delivering the sewage in the circulation cavity 8, namely, the two circulation pumps 5 work successively, the respective material sucking pipelines 5d are used for sucking the sewage in the circulation cavity 8 by matching with the circulation pipelines 6 and delivering the sewage into the sedimentation tank 3 in a return form, and the purpose of adopting the two circulation pumps 5 is that each mud interception plate 7d can be trimmed for a certain time, namely, the mud interception plate 7d can rotate in a small amplitude in the resting state process, the mud interception plate 7d on the flow interception surface is swung, the mud interception plate 7d is prevented from working for a long time in a certain time period, and the mud interception efficiency is reduced; simultaneously, the two first control valves 6a work sequentially, so that the sewage in the circulating pipeline 6 can flow only towards one first control valve 6a area in an open state in a certain sequence; the acting force of the second control valve 5b is to prevent the sewage in the circulation cavity 8 from flowing backwards; the acting force of the third control valve 5c is that after sewage is repeatedly washed for a plurality of times, when the sewage is not discharged into the circulating cavity 8, all opening and closing gates are closed at the moment, then one third control valve 5c corresponding to the downstream end of the sedimentation tank 3 works, the corresponding passage of the circulating pump 5 is closed, and then the purified water source flows from the water outlet pipe 5k to a set area; similarly, the third control valve 5c corresponding to the area of the water inlet pipe 5r is closed, then the water inlet pipe 5r is connected to external sewage supply equipment, and at the moment, sewage conveyed by the water inlet pipe 5r cannot flow into the circulating pump 5 corresponding to the area of the water inlet pipe 5r, but directly reaches the sedimentation tank 3; the fourth control valve 5m ensures that the circulating sewage does not flow back into the inlet/outlet pipe 5k during the circulation.
A mud scraping device 9 is arranged above the sedimentation tank 3; the mud scraping device 9 is an existing device and is mainly used for treating the mud at the bottom of the sedimentation tank 3 into the extension bin 4.
A liquid level sensor 2 is arranged in the circulation cavity 8, a controller is arranged outside the sedimentation tank 3, and the controller is electrically connected with the liquid level sensor 2; the liquid level sensor 2 is used for sensing the liquid level in the circulating cavity 8, feeding back the liquid level to the controller after reaching a set standard, and indicating to stop the external power equipment from supplying sewage to the sedimentation tank 3 by the controller, and then realizing the circulating flushing effect on the sewage in the circulating bin.
The opening and closing gate comprises a gate plate 3b and a gate cylinder 3c, wherein the gate plate 3b is vertically arranged, the gate cylinder 3c is vertically arranged above the sedimentation tank 3, and a piston shaft of the gate cylinder 3c is in transmission connection with the gate plate 3b through an L-shaped plate; the gate plate 3b can realize the on-off of the circulating cavity 8 and the sedimentation tank 3 by means of the gate cylinder 3c.
Working principle: the water inlet pipe/water outlet pipe 5k is respectively communicated with one aeration filter tank 1; the aeration filter tank 1 corresponding to the water inlet pipe 5r delivers the sewage in the aeration filter tank into the water inlet pipe 5r, and the sewage is delivered into the sedimentation tank 3 through the water inlet pipe 5r and the supply pipeline 5a at the position of the water inlet pipe, at the moment, the fourth control valve 5m corresponding to the area of the water inlet pipe 5r is closed, so that the sewage is prevented from flowing back into the circulating pump 5 of the area; after sewage flows into the sedimentation tank 3, the limit is corrected through the rectifying plate 7, and the sewage flows directly to the downstream end of the sedimentation tank 3 at a certain speed and contacts a mud interception plate 7d at the downstream end of the sedimentation tank 3, the filtering holes on the mud interception plate 7d enable water flow to pass through, and the mud is intercepted, the process is approximately 3-4 seconds, then a servo oil rod 7p of the mud interception plate 7d works, the mud interception plate 7d is enabled to rapidly rotate upwards anticlockwise, the rotation angle is within 135-155 degrees, the mud interception plate 7d is enabled to be located above the rectifying plate 7 in advance at an inclined posture relative to the interception plate at the upstream end of the sedimentation tank 3, the mud on the section flow surface is enabled to fall onto a mud conveying belt 7a corresponding to the mud interception plate 7d area due to the inclined posture and the rotating inertia force, the output surface of the mud conveying belt 7a is enabled to receive the flowing mud, the mud is enabled to be brought into a mud pipe 7b in a high-speed motion state, the mud is enabled to be rapidly carried into the mud interception plate 7b, the mud interception plate 7b is enabled to be rapidly discharged to be reset to the mud interception plate 7b, and the section area is set to be reset to the sewage interception plate 7 is reset to the sewage interception plate 7b is arranged in a plurality of times; meanwhile, the supply pipeline 5a corresponding to the downstream end of the sedimentation tank 3 is in a closed state, so that sewage enters the circulation cavity 8 after once screening flow, then the liquid level sensor 2 acts on the liquid level in the induction circulation cavity 8 and feeds back to the controller after reaching a set standard, the controller instructs external power equipment to stop supplying sewage in the sedimentation tank 3, then the circulation pump 5 corresponding to the downstream end of the sedimentation tank 3 works, and simultaneously the first control valve 6a corresponding to the pumping pipeline 5d of the circulation pump 5 opens the pumping pipeline 5d, so that the acting force of the sewage well circulation pump 5 in the circulation pipeline 6 reaches the pumping pipeline 5d, and the acting force is continuously exerted by the circulation pump 5, the sewage is delivered into the sedimentation tank 3 from the downstream end of the sedimentation tank 3, and then a mud interception plate 7d close to the upstream end of the sedimentation tank 3 works to intercept the reversely flowing sewage; meanwhile, at the moment, a supply pipeline 5a corresponding to the upstream end of the sedimentation tank 3 is closed, a starting gate is opened, so that sewage flows into the circulation cavity 8 again, and the steps are repeated to realize a repeated brown circulation flushing effect; after a certain number of flushes and a certain time of precipitation, finally all the start gates are closed, and then the fourth control valve 5m at the water outlet pipe 5k is opened, so that the purified water source is discharged from the water outlet pipe 5 k.
The foregoing is merely exemplary of the present invention and is not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present invention, should be included in the scope of the claims of the present invention.
Claims (6)
1. An in-situ microorganism purification device comprises two aeration filters (1) which are symmetrically arranged and a sedimentation tank (3) which is arranged between the two aeration filters and is used for sedimentation of sludge, and is characterized in that: the sedimentation tank (3) is of a advection type structure, a circulation enclosing baffle is arranged outside the sedimentation tank, a return-type circulation cavity (8) is formed by the circulation enclosing baffle and the outer wall surface of the sedimentation tank (3), a rectifying plate (7) is respectively arranged at the upper end and the lower end of the sedimentation tank (3), a mud conveying belt (7 a) is arranged on each rectifying plate (7), a mud conveying pipe (7 b) is respectively arranged at the lower end of each mud conveying belt (7 a), the mud conveying pipe (7 b) vertically penetrates through the sedimentation tank (3), a mud interception plate (7 d) is respectively connected to one opposite side of each rectifying plate (7) in a shaft manner, the free end of each mud interception plate (7 d) is suspended downwards and is close to the bottom of the sedimentation tank (3), a power device in transmission connection with the mud interception plate (7 d) is respectively arranged at the side of each mud interception plate, a circulation pump (5) is respectively arranged at the upper end and the lower end of each sedimentation tank (3), a circulation pipeline (6) is arranged below the sedimentation tank (3), the circulation pipeline (6) and the two circulation pipelines (8) are respectively communicated with a material discharging port (8), and the two circulation pipelines (8) can be respectively communicated with the material discharging ports (8;
each rectifying plate (7) is horizontally arranged and is used for sealing opening areas at the upper end and the lower end of the sedimentation tank (3), a rectangular notch for installing a mud conveying belt (7 a) is formed in each rectifying plate (7), an installation interval for placing a mud pipe (7 b) is reserved between the lower end of the mud conveying belt (7 a) and one end face in the rectangular notch, the upper surface of the mud conveying belt (7 a) is flush with the upper surface of the mud pipe (7 b), and the conveying direction of the mud conveying belt (7 a) is perpendicular to the flowing direction of sewage in the sedimentation tank (3);
one U-shaped groove is formed in one side, opposite to each other, of each mud cutting plate (7 d), one end of each mud cutting plate (7 d) is respectively connected in the corresponding U-shaped groove in a hinged mode, two rectangular notches are close to the corresponding U-shaped groove, the distance between each rectangular notch and each adjacent U-shaped groove is not more than 3cm, the power device comprises a servo oil rod (7 p), the end portion of a rod body of the servo oil rod (7 p) is connected with the inner wall of the sedimentation tank (3) in a hinged mode, the front end of a piston rod of the servo oil rod (7 p) is connected with the side portion of the free end of the mud cutting plate (7 d) in a hinged mode through a compensating block, and the servo oil rod (7 p) drives the mud cutting plate (7 d) to enable the free end of the mud cutting plate (7 d) to rotate upwards by 135-155 degrees;
the two material sucking pipelines (5 d) are symmetrically arranged at the periphery of the circulating pipeline (6), the two material sucking pipelines correspond to the middle section of the circulating pipeline (6), one end of each material sucking pipeline (5 d) communicated with the circulating pipeline (6) is provided with a first control valve (6 a), the input end of each circulating pump (5) is respectively communicated with the other end of each material sucking pipeline (5 d), the output end of each circulating pump (5) is respectively communicated with the inside of the sedimentation tank (3) through a supply pipeline (5 a), each supply pipeline (5 a) is provided with a second control valve (5 b) and a third control valve (5 c), a water inlet pipe (5 r) and a water outlet pipe (5 k) are respectively arranged above each supply pipeline (5 a), and a fourth control valve (5 m) is respectively arranged on each water inlet pipe (5 r) and each water outlet pipe (5 k);
a liquid level sensor (2) is arranged in the circulating cavity (8), a controller is arranged outside the sedimentation tank (3), and the controller is electrically connected with the liquid level sensor (2);
the filtering holes on the mud interception plates (7 d) enable water flow to pass through, the sludge is intercepted, the servo oil rod (7 p) of the mud interception plates (7 d) can work, the sludge on the intercepting surface at the upstream end of the sedimentation tank (3) falls onto the sludge conveying belt (7 a) corresponding to the mud interception plate (7 d) area due to the inclined posture and the rotating inertia force of the sludge, the liquid level sensor (2) senses the liquid level height in the circulating cavity (8) and feeds back to the controller after reaching the set standard, the controller indicates to stop the external power equipment from supplying the sewage in the sedimentation tank (3), and the two mud interception plates (7 d) operate sequentially to form repeated scouring intercepting sludge.
2. An in situ microbial purification apparatus as claimed in claim 1, wherein: one side of the mud conveying pipe (7 b) facing the mud conveying belt (7 a) is provided with an arc-shaped groove (7 c) in clearance fit with the mud conveying belt (7 a).
3. An in situ microbial purification apparatus as claimed in claim 1, wherein: the below of sedimentation tank (3) upstream end is provided with extends storehouse (4), extend the cross section of storehouse (4) and be in the trapezoid of inversion, extend storehouse (4) and sedimentation tank (3) and be linked together, the junction of storehouse (4) and sedimentation tank (3) is provided with and is used for isolated mud guard (4 a) with the two, the inner wall of sedimentation tank (3) is equipped with fly leaf (4 b), fly leaf (4 b) can vertical activity setting through spring (4 c), fly leaf (4 b) correspond mud guard (4 a) setting, mud guard (4 a) side is provided with and opens and close oily pole (4 d), the pole body tip and the fly leaf (4 b) coupling of opening and close oily pole (4 d) are passed through the linkage piece and are cooperated with mud guard (4 a) top coupling, mud guard (4 a) keep away from the anterior segment part of sedimentation tank (3) downstream end is rubber slab (4 r) of folding structure.
4. An in situ microbial purification apparatus as claimed in claim 1, wherein: be equipped with two water conservancy diversion platform (8 a) of U type structure in circulation chamber (8), two water conservancy diversion platform (8 a) symmetry sets up, and the opening surface of two sets up in opposite directions, every water conservancy diversion platform (8 a) is including the outer wall parcel of sedimentation tank (3) through respective opening surface, two circulation mouths (8 d) have been seted up to the symmetry in circulation chamber (8), two circulation mouths (8 d) are outside one side of the long limit of sedimentation tank (3) respectively, and both are located between two water conservancy diversion platform (8 a), a first drainage inclined plane (8 b) have been seted up respectively at the opening both ends top of water conservancy diversion platform (8 a), two second drainage inclined planes (8 c) have been seted up to the other end symmetry of water conservancy diversion platform (8 a), the both ends of circulation pipeline (6) communicate with a circulation mouths (8 d) respectively.
5. An in situ microbial purification apparatus as claimed in claim 1, wherein: a mud scraping device (9) is arranged above the sedimentation tank (3).
6. An in situ microbial purification apparatus as claimed in claim 1, wherein: the opening and closing gate comprises a gate plate (3 b) and a gate cylinder (3 c), wherein the gate plate (3 b) is vertically arranged, the gate cylinder (3 c) is vertically arranged above the sedimentation tank (3), and a piston shaft of the gate cylinder (3 c) is in transmission connection with the gate plate (3 b) through an L-shaped plate.
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| JP4024497B2 (en) * | 2001-07-25 | 2007-12-19 | シャープ株式会社 | Foreign matter removal mechanism, liquid flow treatment device, and foreign matter removal method |
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| GB1408896A (en) * | 1972-09-19 | 1975-10-08 | Smith G W | Sewage treatment |
| JPH0760274A (en) * | 1993-08-31 | 1995-03-07 | Mitsui Constr Co Ltd | Water treatment equipment |
| CN102001785A (en) * | 2010-10-19 | 2011-04-06 | 天津市环境保护科学研究院 | Compound biological film integrated reactor for treatment of domestic sewage and application method |
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