CN112441680A - Self-adaptive backwashing sewage treatment system and sewage treatment method thereof - Google Patents
Self-adaptive backwashing sewage treatment system and sewage treatment method thereof Download PDFInfo
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- CN112441680A CN112441680A CN202011167520.3A CN202011167520A CN112441680A CN 112441680 A CN112441680 A CN 112441680A CN 202011167520 A CN202011167520 A CN 202011167520A CN 112441680 A CN112441680 A CN 112441680A
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- 238000011001 backwashing Methods 0.000 title claims abstract description 76
- 239000010865 sewage Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 144
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 238000000746 purification Methods 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000000243 solution Substances 0.000 claims description 19
- 239000000706 filtrate Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000008394 flocculating agent Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 8
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/006—Cartridges
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a self-adaptive backwashing sewage treatment system and a sewage treatment method thereof, and the sewage treatment system comprises a sewage container, a division plate, a filtering component, a backwashing component and a water flow monitoring component, wherein the sewage container is divided into an upper sewage cavity and a lower water purification cavity by the division plate, the filtering component is arranged on the division plate in a penetrating mode, the water flow monitoring component is arranged in the water purification cavity corresponding to a water filtering end of the filtering component, the water flow monitoring component monitors the water flow speed of the water filtering end of the filtering component, the backwashing component is arranged in the water purification cavity and extends into an inner cavity of the filtering component, and the filtering component is backwashed by the backwashing component, so that the backwashing on the filtering component can be automatically carried out, and the filtering efficiency is improved.
Description
Technical Field
The invention belongs to the field of sewage treatment, and particularly relates to a self-adaptive backwashing sewage treatment system and a sewage treatment method thereof.
Background
In the filtration treatment of sewage, the filter screen mesh often appears and is blockked up and cause and filter not smooth phenomenon, has resulted in that water treatment process is slow, the cycle extension, inefficiency, and at present mostly through measures such as artifical clearance, scraper blade strike off and change the filter screen in the filtering process, efficiency is lower.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a self-adaptive backwashing sewage treatment system and a sewage treatment method thereof, which can automatically backwash a filtering assembly and improve the filtering efficiency.
The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the invention is as follows:
a sewage treatment system with self-adaptive back washing comprises a sewage container, a division plate, a filtering component, a back washing component and a water flow monitoring component, wherein the division plate is arranged in an inner cavity of the sewage container, and the sewage container is divided into an upper sewage cavity and a lower water purification cavity by a division plate, the filtering component is arranged on the division plate in a penetrating way, the water inlet end of the filtering component extends into the sewage cavity, the water filtering end of the filtering component extends into the water purifying cavity, a plurality of filtering components are arranged in a circumferential array, the water flow monitoring component is arranged in the water purifying cavity corresponding to the water filtering end of the filtering component and monitors the water flow speed of the water filtering end of the filtering component, the back washing component is arranged in the water purifying cavity and extends into the inner cavity of the filtering component, and the filtering component performs back washing through the back washing component.
Furthermore, the filtering component comprises a filtering cylinder body, the filtering cylinder body is of a cylinder structure with a closed top end and an open bottom end, the open end of the filtering cylinder body extends into the water purifying cavity, the backwashing component is arranged in the filtering cylinder body in a sealing and sliding manner, the filtering cylinder body is arranged on the wall body of the water purifying cavity and is provided with a water filtering opening, and the filtering cylinder body is arranged on the wall body of the sewage cavity and is provided with filtering micropores.
Furthermore, the backwashing component comprises a movable backwashing rod, a fixed guide rod and a driving component, the movable backwashing rod comprises an inner cavity in the shape of a blind hole along the axial direction, the bottom end of the fixed guide rod is relatively and fixedly arranged in the water purification cavity, the top end of the fixed guide rod is movably arranged in the inner cavity of the movable backwashing rod in a penetrating manner, the top end of the movable backwashing rod is arranged in the filter cylinder body in a sealing and sliding manner, a filtering inner cavity is formed between the top end of the movable backwashing rod and the filter cylinder body, the driving component drives the movable backwashing rod to axially displace, and the filtering inner cavity is subjected to volume change adjustment through the axial displacement of the movable backwashing rod; under the state that the filtering inner cavity is reduced through the displacement of the movable recoil rod, the internal pressure of the filtering inner cavity is increased, and filtrate in the filtering inner cavity is recoiled into the sewage cavity through the filtering micropores.
Furthermore, the top of fixed guide arm is provided with sealed piston, the inner chamber of activity kickback rod passes through sealed piston and sets up for the sealed slip of fixed guide arm, the interval of fixed guide arm sets up in the inner chamber wall of activity kickback rod, just activity kickback rod bottom opening sets up for the sealed slip of fixed guide arm, the inner chamber of activity kickback rod separates into the jacking chamber on upper portion and the chamber that resets of lower part through sealed piston, the jacking chamber switches on in drive assembly with the chamber that resets.
Further, the driving assembly comprises a liquid collecting tank, a suction integrated pump and a connecting pipe, a liquid injection through hole is formed in the fixed guide rod in a penetrating mode along the axial direction, one end of the liquid injection through hole is communicated with the jacking cavity, the other end of the liquid injection through hole is communicated with an inner cavity of the liquid collecting tank arranged in the water purifying cavity, the liquid collecting tank is connected to one end of the suction integrated pump, one end of the connecting pipe is communicated with the resetting cavity, and the other end of the connecting pipe is connected to the other end of the suction integrated pump; and liquid in the jacking cavity and the resetting cavity is transferred by the suction integrated pump.
Furthermore, a plurality of filter cylinder circumference array and mutual butt contact setting, a plurality of filter cylinder uses mutual butt line to constitute as the pitch circle and separates the pitch circle, and a plurality of filter micropore sets up on the section of thick bamboo wall that is located on separating the pitch circle outer lane on filter cylinder, and a plurality of drainage mouth sets up on filter cylinder wall that is located on separating the pitch circle inner circle, rivers monitoring component is corresponding to the drainage mouth and is set up in separating the inner circle of pitch circle.
Further, the rivers monitoring subassembly includes hydrodynamic rotor and monitoring subassembly, the hydrodynamic rotor rotates through the pivot and sets up on the interlayer board, just the hydrodynamic rotor is located the below of straining the mouth, the detection component sets up in the pivot, the aqueous solution drive hydrodynamic rotor gyration of straining the mouth is rotated, just detection component detects the slew velocity of hydrodynamic rotor.
Further, the detection assembly comprises a centrifugal assembly and a feedback assembly arranged corresponding to the centrifugal assembly, and the feedback assembly feeds back the centrifugal degree of the centrifugal assembly; the centrifugal assembly comprises centrifugal barrels and centrifugal bodies, the two opening ends of the two centrifugal barrels are opposite in interval and symmetrically arranged on a rotating shaft, the two centrifugal barrels are arranged in a high-low inclined shape, the opening end of the centrifugal barrel is the lower end side, the two centrifugal bodies are respectively and movably arranged in the two centrifugal barrels, the centrifugal bodies respectively and centrifugally move in the corresponding centrifugal barrels through the rotation of the rotating shaft, the feedback assembly comprises two metal elastic pieces which are arranged at intervals, the two metal elastic pieces are respectively arranged corresponding to the opening ends of the two centrifugal barrels, and the two metal elastic pieces are electrically connected to a driving circuit of the backwashing assembly;
under the state that the rotating shaft rotates rapidly, the two centrifugal bodies move centrifugally and are separated from the metal elastic sheet, the two metals are elastically reset and separated, and a driving loop of the backwashing assembly is disconnected; and under the low-speed or non-rotating state of the rotating shaft, the two centrifugal bodies do not generate centrifugal action and are covered on the corresponding metal elastic sheets in a pressure equalizing manner, the two metal elastic sheets are mutually contacted to form an electric loop, a driving loop of the backwashing assembly is conducted, and the backwashing assembly backwashes the filtering cylinder body.
A sewage treatment method of a sewage treatment system with self-adaptive back flushing comprises the following steps:
s1: introducing a sewage solution into the sewage cavity, adding a flocculating agent, stirring and mixing the sewage solution in the sewage cavity through a stirring mechanism, and filtering the sewage solution through a filtering component;
s2: the flow rate of water at the filtrate outlet end of the filtering component is monitored by the water flow monitoring component, and when the outlet flow rate of the filtrate is greater than the minimum preset value, the state indicates that the filtering state of the filtering micropores is normal; when the effluent flow rate of the filtrate is lower than the minimum preset value, the state indicates that the filter micropores are partially or completely blocked, at the moment, the inner cavity of the filter assembly is backwashed through the backwashing assembly, so that flocculated particles are separated from the filter micropores, the backwashed filter assembly normally filters sewage, and the backwashing assembly is reset.
Has the advantages that: the invention monitors the flow speed of the water at the filtrate outlet end of the filtering component through the water flow monitoring component, reflects whether the filtering micropores of the filtering component are blocked or not according to the change of the water flow speed, and performs back washing on the filtering component through the back washing component in time, thereby ensuring the filtering efficiency of the filtering component.
Drawings
FIG. 1 is a schematic half-section of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the sewage container according to the present invention;
FIG. 3 is a schematic semi-sectional view of another perspective of the overall structure of the present invention;
FIG. 4 is a perspective cross-sectional view of a spacer plate, filter assembly and water flow monitoring assembly of the present invention;
fig. 5 is a partially enlarged schematic view of a water flow monitoring assembly of section a of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, a sewage treatment system with self-adaptive back washing comprises a sewage container 1, a interlayer plate 2, a filtering component 3, a back washing component 4 and a water flow monitoring component 5, wherein the interlayer plate 2 is arranged in an inner cavity of the sewage container 1, the sewage container 1 is divided into an upper sewage cavity 6 and a lower water purification cavity 7 through the interlayer plate 2, a stirring mechanism 30 is arranged in the sewage cavity 6 and is used for carrying out coagulation disturbance on sewage, the filtering component 3 is arranged on the interlayer plate 2 in a penetrating way, a water inlet end of the filtering component 3 extends into the sewage cavity, a water filtering end of the filtering component extends into the water purification cavity, namely, an aqueous solution passes through the water inlet end of the filtering component 3 and is filtered by the filtering component and flows into the water purification cavity 7 from the water filtering end, a plurality of the filtering components 3 are arranged in a circumferential array way, and the water flow monitoring component 5 is arranged in the water purification cavity 7 corresponding to the water filtering end of the, the water flow monitoring assembly monitors the water flow speed of the water filtering end of the filtering assembly, the backwashing assembly 4 is arranged in the water purifying cavity and extends into the inner cavity of the filtering assembly 3, and the filtering assembly 3 is backwashed through the backwashing assembly 4. The invention monitors the flow velocity of the water at the filtrate outlet end of the filtering component 3 through the water flow monitoring component 5, reflects whether the filtering micropores of the filtering component 3 are blocked or not according to the change of the water flow velocity, and performs back washing on the filtering component 3 through the back washing component 4 in time, thereby ensuring the filtering efficiency of the filtering component.
The filter assembly 3 includes a filter cylinder 8, the filter cylinder 8 is a cylinder structure with a top closed bottom end opening, the open end of the filter cylinder 8 extends into the water purification cavity 7, the backwashing assembly 4 is arranged in the filter cylinder 8 in a sealing sliding manner, and a high pressure state can be formed in the filter cylinder 8 through the backwashing assembly 4 relative to the filter cylinder 8 in a sealing sliding manner, so that flocculates in the filter micropores 10 can be discharged, the filter cylinder 8 is arranged on the wall body of the water purification cavity 7 and provided with a water filtering port 9, and the filter cylinder 8 is arranged on the wall body of the sewage cavity 7 and provided with the filter micropores 10.
The backwashing component 4 comprises a movable backwashing rod 11, a fixed guide rod 12 and a driving component, the movable backwashing rod 11 comprises an inner cavity in the shape of a blind hole along the axial direction, the bottom end of the fixed guide rod 12 is relatively and fixedly arranged on the bottom wall in the water purification cavity 7, the top end of the fixed guide rod 12 is movably arranged in the inner cavity of the movable backwashing rod 11 in a penetrating manner, the top end of the movable backwashing rod 11 is arranged in the filtering cylinder 8 in a sealing and sliding manner, a filtering inner cavity 20 is formed between the top end of the movable backwashing rod 11 and the filtering cylinder 8, when the filtering cylinder 8 filters, filtered water solution passes through the filtering inner cavity, the driving component drives the movable backwashing rod 11 to axially displace, and the filtering inner cavity 20 is subjected to volume change adjustment through the axial displacement of the movable backwashing rod 11; under the state that filtration inner chamber 20 reduces through the displacement of activity recoil pole 11, filtration inner chamber 20 internal pressure increases, and the filtrating in the filtration inner chamber 20 backflushs to the sewage intracavity through filtering micropore 10 to make the flocculation thing in the filtering micropore 10 can be discharged, guarantee the normal high-efficient filtration of filtering the barrel, and this backflushing process need not to stop sewage treatment system, can realize instant online back flush, guarantee filterable high efficiency.
The top end of the fixed guide rod 12 is provided with a sealing piston 13, the inner cavity of the movable recoil rod 11 is arranged in a sealing and sliding way relative to the fixed guide rod 12 through the sealing piston, the distance between the fixed guide rods 12 is arranged on the wall of the inner cavity of the movable recoil rod 11, and the bottom end opening of the movable recoil rod 11 is arranged in a sealing and sliding way relative to the fixed guide rod 12, the inner cavity of the movable recoil rod 11 is divided into an upper jacking cavity 14 and a lower resetting cavity 15 by a sealing piston 13, the jacking cavity 14 and the resetting cavity 15 are communicated with a driving component, the driving component is a hydraulic driving component, so that the jacking cavity 14 and the resetting cavity 15 alternately perform liquid injection and liquid drainage, so that the movable recoil rod 11 is subjected to lifting displacement relative to the fixed guide rod 12, and the movable recoil rod 11 is subjected to sealing sliding relative to the filtering cylinder body so as to perform the backwashing of the filtering cylinder body 8.
The driving assembly comprises a liquid collecting tank 16, a suction integrated pump 17 and a connecting pipe 18, a liquid injection through hole 19 is formed in the fixed guide rod 12 in a penetrating mode along the axial direction, one end of the liquid injection through hole 19 is communicated with the jacking cavity 14, the other end of the liquid injection through hole 19 is communicated with an inner cavity of the liquid collecting tank 16 arranged in the water purifying cavity, the liquid collecting tank 16 is of an inner cavity shell structure of an annular structure, water solution is stored inside the liquid collecting tank 16, the liquid collecting tank 16 is connected to one end of the suction integrated pump 17, one end of the connecting pipe 18 is communicated with the reset cavity 15, the other end of the connecting pipe is connected to the other end of the suction integrated pump 17, the reset cavities 15 in the movable recoil rods are connected in series and conducted through the connecting pipe, and the; the liquid in the jacking cavity 14 and the resetting cavity 15 is transferred through the pumping integrated pump 17, wherein the pumping integrated pump 17 can be a gear pump, when the liquid is injected into the jacking cavity 14 through the pumping integrated pump 17, the movable recoil rod 11 moves upwards and backflushs the filtering cylinder 8; when the reset cavity 15 is filled with liquid through the suction integrated pump 17, the movable recoil rod 11 is displaced downwards, and the backwashing is finished, and the cycle is a backwashing period.
As shown in fig. 1 to 4, a plurality of 8 circumference arrays of filter cylinder and mutual butt contact setting, a plurality of 8 use mutual butt line as the pitch circle with filter cylinder 8 and constitute separation pitch circle 21, a plurality of filter micropore 10 is seted up and is located the section of thick bamboo wall of separating the pitch circle outer lane on filter cylinder 8 to make the space that is located 8 inner circles of a plurality of filter cylinder constitute anhydrous inner chamber, be used for holding other equipment on the one hand, for example the driving motor 31 of rabbling mechanism 30, on the other hand can be very big degree make compact structure, reduce whole volume, on the other hand still, can make the flocculation particle after the filtration be located the outside of a plurality of filter cylinders, do benefit to clearance and gather. A plurality of drainage port 9 is seted up and is located the section of thick bamboo wall of separating the pitch circle inner circle on filtering barrel 8, rivers monitoring component 5 sets up in the inner circle of separating pitch circle 21 corresponding to drainage port 9, and through setting up a plurality of drainage ports 9 that filter barrel 8 in the inboard, and concentrate the setting, can make whole filtrating aqueous solution act on rivers monitoring component 5, and reflection that can concentrate filters barrel 8 is water flow and water flow rate after the filtration whether normal.
As shown in fig. 4 and fig. 5, the water flow monitoring assembly 5 includes a hydrodynamic rotor 22 and a monitoring assembly, the hydrodynamic rotor 22 is rotatably disposed on the interlayer plate 2 through a rotating shaft 23, the hydrodynamic rotor 22 is located below the water filtering opening 9, the hydrodynamic rotor 22 is of an axial-flow paddle structure, when the water solution in the water filtering opening 9 flows to the water purifying cavity 7, the water solution impacts on the hydrodynamic rotor, so as to drive the rotating shaft 23 to rotate, the detecting assembly is disposed on the rotating shaft 23, the water solution in the water filtering opening 9 drives the hydrodynamic rotor 22 to rotate, the detecting assembly detects the rotating speed of the hydrodynamic rotor 22, and the detecting assembly detects the rotating speed of the rotating shaft, so as to detect the flow rate and the flow rate of the filtered water.
The detection assembly comprises a centrifugal assembly 24 and a feedback assembly 25 arranged corresponding to the centrifugal assembly 24, and the feedback assembly 25 feeds back the centrifugal degree of the centrifugal assembly 24; the centrifugal assembly 24 includes centrifugal barrels 26 and centrifugal bodies 27, the centrifugal bodies 27 are weights such as steel balls or cylinders, two of the centrifugal barrels 26 have two open ends that are opposite and symmetrically arranged on the rotating shaft 23, and the two centrifugal barrels 26 are both arranged in a high-low inclined state, so that the two centrifugal bodies 27 can freely fall to the low end side when the centrifugal bodies 27 are not centrifuged or the centrifugal force is insufficient, the open ends of the centrifugal barrels are the low end sides, the two centrifugal bodies 27 are respectively movably arranged in the two centrifugal barrels 26, the centrifugal bodies 27 respectively centrifugally move in the corresponding centrifugal barrels through the rotation of the rotating shaft 23, the feedback assembly 25 includes two metal elastic pieces 28 arranged in a gap, the two metal elastic pieces 28 are respectively arranged corresponding to the open ends of the two centrifugal barrels 27, and the two metal elastic pieces 28 are electrically connected to the driving circuit of the backwashing assembly 4, the two metal elastic sheets 28 form a loop switch, and the flushing assembly 4 is disconnected or works through the separation or the attachment of the metal elastic sheets.
Under the state that the rotating shaft 23 rotates rapidly, the two centrifugal bodies 27 move centrifugally and are separated from the metal elastic sheet 28, the two metals are elastically reset and separated, and a driving loop of the backwashing assembly 4 is disconnected; under the low-speed or non-rotation state of the rotating shaft 23, the two centrifugal bodies 27 do not generate centrifugal action, and are covered on the corresponding metal elastic sheets 28 in a pressure equalizing manner, so that the two metal elastic sheets are contacted with each other to form an electric loop, the driving loop of the backwashing assembly 4 is conducted, and the backwashing assembly 4 backwashes the filtering cylinder 8.
A sewage treatment method of a sewage treatment system with self-adaptive back flushing comprises the following steps:
s1: introducing a sewage solution into the sewage cavity 7, adding a flocculating agent, stirring and mixing the sewage solution in the sewage cavity through a stirring mechanism 30, and filtering the sewage solution through a filtering component 3;
the sewage solution flows into the inner cavity of the filtering cylinder 8 through the filtering micropores 10 on the filtering cylinder 8, the filtered water solution enters the purified water cavity 7 through the water filtering holes 9, and when the filtered water solution flows out of the water filtering holes 9, the flowing water solution impacts the hydrodynamic rotor 22 and drives the hydrodynamic rotor 22 and the rotating shaft 23 to rotate,
s2: the flow rate of the water at the filtrate outlet end of the filtering component 3 is monitored by the water flow monitoring component 5, and when the outlet water flow rate of the filtrate is greater than the lowest preset value, the state indicates that the filtering state of the filtering micropores 10 is normal; when the effluent flow rate of the filtrate is lower than the minimum preset value, the state indicates that the filtering micropores 10 are partially or completely blocked, at the moment, the inner cavity of the filtering component 3 is backwashed through the backwashing component 4, so that flocculated particles are separated from the filtering micropores 10, the filtering component 3 after backwashing normally filters sewage solution, and the backwashing component is reset.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (9)
1. The utility model provides a sewage treatment system of self-adaptation back flush which characterized in that: comprises a sewage container (1), a interlayer plate (2), a filtering component (3), a backwashing component (4) and a water flow monitoring component (5), wherein the interlayer plate (2) is arranged in an inner cavity of the sewage container (1), the sewage container (1) is separated into a sewage cavity (6) at the upper part and a water purification cavity (7) at the lower part through the interlayer plate (2), the filtering component (3) is arranged on the interlayer plate (2) in a penetrating way, the water inlet end of the filtering component (3) extends into the sewage cavity, the water filtering end of the filtering component extends into the water purification cavity, a plurality of filtering components (3) are arranged in a circumferential array way, the water flow monitoring component (5) is arranged in the water purification cavity (7) corresponding to the water filtering end of the filtering component (3), the water flow monitoring component monitors the water flow speed of the backwashing water filtering end of the filtering component, the backwashing component (4) is arranged in the water purification cavity and extends into the inner cavity of the filtering component (3), the filtering component (3) is backwashed through the backwashing component (4).
2. The adaptive backwash sewage treatment system as claimed in claim 1, wherein: filter element (3) is including filtering barrel (8), filter barrel (8) are top closed end open-ended tube structure, just the open end of filtering barrel (8) stretches into in water purification chamber (7), back flush subassembly (4) are sealed to slide and are set up in filtering barrel (8), filter barrel (8) are located and have been seted up on the wall body of water purification chamber (7) and strain mouth of a river (9), filter barrel (8) are located and have seted up on the wall body of sewage chamber (7) and filter micropore (10).
3. The adaptive backwash sewage treatment system as claimed in claim 2, wherein: the backwashing component (4) comprises a movable backwashing rod (11), a fixed guide rod (12) and a driving component, the movable backwashing rod (11) comprises an inner cavity in the shape of a blind hole along the axial direction, the bottom end of the fixed guide rod (12) is relatively and fixedly arranged in a water purification cavity (7), the top end of the fixed guide rod (12) is movably arranged in the inner cavity of the movable backwashing rod (11) in a penetrating manner, the top end of the movable backwashing rod (11) is arranged in a filtering cylinder body (8) in a sealing and sliding manner, a filtering inner cavity (20) is formed between the top end of the movable backwashing rod (11) and the filtering cylinder body (8), the driving component drives the movable backwashing rod (11) to axially displace, and the filtering inner cavity (20) is adjusted by the axial displacement of the movable backwashing rod (11) through volume change; under the condition that the filtering inner cavity (20) is reduced by the displacement of the movable recoil rod (11), the internal pressure of the filtering inner cavity (20) is increased, and the filtrate in the filtering inner cavity (20) is recoiled into the sewage cavity through the filtering micropores (10).
4. The adaptive backwash sewage treatment system as claimed in claim 3, wherein: the top of fixed guide arm (12) is provided with sealed piston (13), the inner chamber of activity kickback pole (11) passes through sealed piston and sets up for the sealed slip of fixed guide arm (12), the interval of fixed guide arm (12) sets up in the inner chamber wall of activity kickback pole (11), just activity kickback pole (11) bottom opening sets up for the sealed slip of fixed guide arm (12), the inner chamber of activity kickback pole (11) separates into jacking chamber (14) on upper portion and reset chamber (15) of lower part through sealed piston (13), jacking chamber (14) and reset chamber (15) switch on in drive assembly.
5. The adaptive backwash sewage treatment system as claimed in claim 4, wherein: the driving assembly comprises a liquid collecting tank (16), a suction integrated pump (17) and a connecting pipe (18), a liquid injection through hole (19) is formed in the fixed guide rod (12) in a penetrating mode along the axial direction, one end of the liquid injection through hole (19) is communicated with the jacking cavity (14), the other end of the liquid injection through hole (19) is communicated with an inner cavity of the liquid collecting tank (16) arranged in the water purifying cavity, the liquid collecting tank (16) is connected to one end of the suction integrated pump (17), one end of the connecting pipe (18) is communicated with the reset cavity (15), and the other end of the connecting pipe is connected to the other end of the suction integrated pump (17); the liquid in the jacking cavity (14) and the resetting cavity (15) is transferred by a suction integrated pump (17).
6. The adaptive backwash sewage treatment system as claimed in claim 2, wherein: it is a plurality of filter barrel (8) circumference array and mutual butt contact setting, it is a plurality of filter barrel (8) use mutual butt line to constitute for the pitch circle and separate pitch circle (21), it is a plurality of filter micropore (10) are seted up and are located the section of thick bamboo wall of separating the pitch circle outer lane on filter barrel (8), and are a plurality of drainage mouth (9) are seted up and are located the section of thick bamboo wall of separating the pitch circle inner lane on filter barrel (8), rivers monitoring component (5) are corresponding to drainage mouth (9) and set up in the inner circle of separating pitch circle (21).
7. The adaptive backwash sewage treatment system as claimed in claim 6 wherein: rivers monitoring components (5) include hydrodynamic rotor (22) and monitoring components, hydrodynamic rotor (22) rotate through pivot (23) and set up on interlayer board (2), just hydrodynamic rotor (22) are located the below of straining mouth of a river (9), detection components sets up on pivot (23), the aqueous solution drive hydrodynamic rotor (22) gyration of straining mouth of a river (9) is rotated, just detection components detects the slew velocity of hydrodynamic rotor (22).
8. The adaptive backwash sewage treatment system as claimed in claim 7 wherein: the detection assembly comprises a centrifugal assembly (24) and a feedback assembly (25) arranged corresponding to the centrifugal assembly (24), and the feedback assembly (25) feeds back the centrifugal degree of the centrifugal assembly (24); the centrifugal assembly (24) comprises centrifugal cylinders (26) and centrifugal bodies (27), the two open ends of the two centrifugal cylinders (26) are opposite in interval and are symmetrically arranged on the rotating shaft (23), the two centrifugal cylinders (26) are arranged in a high-low inclined shape, the open end of each centrifugal cylinder is the lower end side, the two centrifugal bodies (27) are respectively and movably arranged in the two centrifugal cylinders (26), the centrifugal bodies (27) respectively and centrifugally move in the corresponding centrifugal cylinders through the rotation of the rotating shaft (23), the feedback assembly (25) comprises two metal elastic sheets (28) arranged in a gap mode, the two metal elastic sheets (28) are respectively arranged corresponding to the open ends of the two centrifugal cylinders (27), and the two metal elastic sheets (28) are electrically connected to a driving loop of the backwashing assembly (4);
under the state that the rotating shaft (23) rotates rapidly, the two centrifugal bodies (27) move centrifugally and are separated from the metal elastic sheet (28), the two metals are elastically reset and separated, and a driving circuit of the backwashing assembly (4) is disconnected; under the low-speed or non-rotation state of the rotating shaft (23), the two centrifugal bodies (27) do not generate centrifugal action, and are covered on the corresponding metal elastic sheets (28) in a pressure equalizing manner, the two metal elastic sheets are mutually contacted to form an electric loop, a driving loop of the backwashing component (4) is conducted, and the backwashing component (4) backflushes the filtering cylinder (8).
9. The sewage treatment method of the adaptive backwash sewage treatment system as claimed in any one of claims 1 to 8, wherein: the method comprises the following steps:
s1: introducing a sewage solution into the sewage cavity (7), adding a flocculating agent, stirring and mixing the sewage solution in the sewage cavity through a stirring mechanism (30), and filtering the sewage solution through a filtering component (3);
s2: the flow rate of the water at the filtrate outlet end of the filtering component (3) is monitored by the water flow monitoring component (5), and when the flow rate of the outlet water of the filtrate is greater than the lowest preset value, the state indicates that the filtering state of the filtering micropores (10) is normal; when the effluent flow rate of the filtrate is lower than the minimum preset value, the state indicates that the filtering micropores (10) are partially or completely blocked, at the moment, the inner cavity of the filtering component (3) is backwashed through the backwashing component (4), so that flocculated particles are separated from the filtering micropores (10), the filtering component (3) after backwashing normally filters sewage, and the backwashing component is reset.
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CN202011167520.3A CN112441680A (en) | 2020-10-28 | 2020-10-28 | Self-adaptive backwashing sewage treatment system and sewage treatment method thereof |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115920486A (en) * | 2023-03-15 | 2023-04-07 | 河南蒲豫建设工程有限公司 | Construction effluent treatment plant |
CN116173593A (en) * | 2023-04-24 | 2023-05-30 | 惠州市宝惠电子科技有限公司 | Transformer immersion oil filter equipment |
CN116651113A (en) * | 2023-07-25 | 2023-08-29 | 常熟市飞奥压力容器制造有限公司 | Combined type filtering separator |
CN116952667A (en) * | 2023-09-21 | 2023-10-27 | 三峡智慧水务科技有限公司 | Sewage pipe network water quality sampling tube capable of preventing blockage |
CN117482617A (en) * | 2023-12-28 | 2024-02-02 | 山东建投工程检测鉴定有限公司 | Backwash sewage filter valve |
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2020
- 2020-10-28 CN CN202011167520.3A patent/CN112441680A/en not_active Withdrawn
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115920486A (en) * | 2023-03-15 | 2023-04-07 | 河南蒲豫建设工程有限公司 | Construction effluent treatment plant |
CN116173593A (en) * | 2023-04-24 | 2023-05-30 | 惠州市宝惠电子科技有限公司 | Transformer immersion oil filter equipment |
CN116651113A (en) * | 2023-07-25 | 2023-08-29 | 常熟市飞奥压力容器制造有限公司 | Combined type filtering separator |
CN116651113B (en) * | 2023-07-25 | 2023-10-03 | 常熟市飞奥压力容器制造有限公司 | Combined type filtering separator |
CN116952667A (en) * | 2023-09-21 | 2023-10-27 | 三峡智慧水务科技有限公司 | Sewage pipe network water quality sampling tube capable of preventing blockage |
CN116952667B (en) * | 2023-09-21 | 2023-12-15 | 三峡智慧水务科技有限公司 | Sewage pipe network water quality sampling tube capable of preventing blockage |
CN117482617A (en) * | 2023-12-28 | 2024-02-02 | 山东建投工程检测鉴定有限公司 | Backwash sewage filter valve |
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