CN110681201A - Efficient filtration treatment system for domestic sewage and sewage treatment method thereof - Google Patents
Efficient filtration treatment system for domestic sewage and sewage treatment method thereof Download PDFInfo
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- CN110681201A CN110681201A CN201911058814.XA CN201911058814A CN110681201A CN 110681201 A CN110681201 A CN 110681201A CN 201911058814 A CN201911058814 A CN 201911058814A CN 110681201 A CN110681201 A CN 110681201A
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- filter element
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- water
- container
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- 239000010865 sewage Substances 0.000 title claims abstract description 114
- 238000001914 filtration Methods 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 160
- 239000002351 wastewater Substances 0.000 claims abstract description 47
- 239000008213 purified water Substances 0.000 claims abstract description 22
- 238000011010 flushing procedure Methods 0.000 claims abstract description 20
- 238000011001 backwashing Methods 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims description 41
- 238000007789 sealing Methods 0.000 claims description 37
- 230000007246 mechanism Effects 0.000 claims description 27
- 238000000746 purification Methods 0.000 claims description 20
- 239000012535 impurity Substances 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 16
- 230000005284 excitation Effects 0.000 claims description 10
- 230000035939 shock Effects 0.000 claims description 10
- 238000005202 decontamination Methods 0.000 claims description 9
- 230000003588 decontaminative effect Effects 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 206010033799 Paralysis Diseases 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 239000008394 flocculating agent Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 33
- 230000000694 effects Effects 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- 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
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
Abstract
The invention discloses a high-efficiency filtering treatment system for domestic sewage, which comprises a sewage inlet pipe, a sewage container, a first filtering component, a second filtering component, a backwashing component, a wastewater container, a water return pipe and a purified water outlet pipe, wherein the first filtering component and the second filtering component are arranged in an inner cavity of the sewage container at intervals from bottom to top, the inner cavity of the sewage container is divided into a sewage cavity, a primary filtering cavity and a purified water cavity from bottom to top by the first filtering component and the second filtering component, the sewage inlet pipe is communicated with the sewage cavity, the purified water outlet pipe is communicated with the purified water cavity, the backwashing component is arranged in the purified water cavity and is used for flushing the water outlet end of the second filtering component, the wastewater container is arranged in the primary filtering cavity corresponding to the water inlet end of the second filtering component, and is communicated with the sewage cavity by the water return pipe, can filter the sewage in time to carry out reutilization.
Description
Technical Field
The invention belongs to the field of sewage treatment, and particularly relates to a high-efficiency domestic sewage filtration treatment system and a sewage treatment method thereof.
Background
Sewage includes industrial sewage and domestic sewage, wherein domestic sewage's use amount possesses great proportion, and mostly be disposable water, municipal sewage treatment's burden has not only been increased, but also caused the waste of water resource, but present sewage treatment all concentrates on sewage treatment plant and carries out the centralized processing, equipment is bulky, consuming time cycle length and work load are big, consequently need one kind urgently can carry out the sewage treatment device of in time handling to domestic water, in order can in time handle sewage and reutilization.
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 high-efficiency domestic sewage filtration treatment system and a sewage treatment method thereof, which can filter sewage in time for secondary utilization.
The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a domestic sewage's high-efficient filtration processing system, includes sewage inlet tube, sewage container, first filtering component, second filtering component, back flush subassembly, waste water container, wet return and water purification outlet pipe, supreme interval setting is in down followed to first filtering component, second filtering component in the inner chamber of sewage container, just the inner chamber of sewage container separates to become to follow supreme sewage chamber, elementary straining chamber and water purification chamber down through first filtering component, second filtering component, the sewage inlet tube communicates in the sewage chamber, the water purification outlet pipe communicates in the water purification chamber, back flush subassembly sets up in the water purification intracavity, and washes the setting to the play water end of second filtering component, the waste water container sets up in elementary straining the intracavity corresponding to the water inlet end of second filtering component, just the waste water container communicates in the setting of sewage chamber through the wet return.
Furthermore, the sewage container is of a cylindrical structure, the second filtering component comprises a filter element holder and filter elements arranged in the filter element holder, the filter element holder comprises a plurality of filter element cavities which are arranged in a penetrating manner along the axis direction of the sewage container, the filter element cavities are arranged in a circumferential array by taking the axis of the sewage container as a center, and the filter elements are respectively arranged in the filter element cavities; the back flush subassembly includes rotation mechanism and high pressure nozzle subassembly, rotation mechanism's pivot sets up in sewage container axis direction, high pressure nozzle subassembly connect in rotation mechanism is last, high pressure nozzle subassembly corresponds arbitrary filter core chamber setting, just the high pressure nozzle subassembly passes through rotation mechanism switches between each filter core chamber in proper order.
Further, rotation mechanism includes the pivot, wear to establish respectively in the outside of stretching out at the filter core holder in the upper and lower both ends of pivot, the waste water container is open-top's shell structure, the bottom in filter core chamber is located to the opening side correspondence cover of waste water container, the waste water container corresponds the setting with high pressure nozzle subassembly in vertical direction, waste water container and high pressure nozzle subassembly correspond the both ends in same filter core chamber respectively, the waste water container is connected with the bottom fixed connection of pivot, the waste water container follows up in the pivot.
Further, a vibration decontamination assembly is arranged in the filter element cavity, and the vibration decontamination assembly vibrates the filter element in a reciprocating manner along the length direction of the filter element cavity; vibrate decontamination subassembly and reset the piece including shock excitation mechanism and elasticity, the length of filter core is less than the filter core chamber, just the both ends of filter core are all set up in the both ends in filter core chamber apart from, shock excitation mechanism sets up in the top of filter core, and intermittent type nature's drive filter core displacement downwards, elasticity resets and sets up bottom and the elastic support filter core at the filter core.
Furthermore, the shock excitation mechanism comprises a paddle rotor, the paddle rotor is transversely arranged in the filter element cavity in a direction perpendicular to the axis direction of the filter element cavity, two ends of a rotating shaft of the paddle rotor are respectively and rotatably arranged on the inner wall of the filter element cavity, the paddle rotor is arranged corresponding to a water outlet of the high-pressure spray head assembly, and the outlet water flow of the high-pressure spray head assembly drives the paddle rotor to rotate; the blade rotor comprises a plurality of blade fins and at least one toggle fin which are coaxially arranged in a circumferential array, the diameter of a rotating pitch circle of the toggle fin is larger than that of the blade fin, and the distance from a rotating axis of the blade rotor to the top end of the filter element is larger than that of the rotating pitch circle of the blade fin; the poking fin presses the filter element to move downwards in a rotating state.
The filter element comprises a blade fin, a rotating pitch circle and a rotating pitch circle, the rotating pitch circle is arranged on the blade fin, the rotating pitch circle is arranged on the rotating pitch circle, the rotating pitch circle is arranged on.
Furthermore, the high-pressure spray head component comprises a hydraulic component, a connecting arm, a spray head and an elastic sealing component arranged on the spray head, the hydraulic component comprises a water pump and a flushing water inlet pipe, the top end of the rotating shaft is provided with a blind hole-shaped flushing water inlet cavity which is concave downwards along the axial direction, the top end of the flushing water inlet cavity is connected with the water outlet end of the water pump, the water inlet end of the water pump is connected with one end of the flushing water inlet pipe, the other end of the flushing water inlet pipe penetrates into the flushing water inlet cavity from the outside of the sewage container, then the water passes through the washing water inlet cavity and extends into the water purifying cavity, the connecting arm is of a hollow pipe body structure, the spray head is connected on the rotating shaft through a connecting arm which is communicated with the washing water inlet cavity, the elastic sealing component is arranged on the outer side of the spray head, and a water flow channel with the periphery closed is formed between the spray head and the top opening of the filter element cavity through the elastic sealing component.
Further, the elastic sealing assembly comprises a sealing ring, an elastic connector, a fixing plate, a spring and a guide rod, the sealing ring is sleeved on the outer side of the spray head, the top of the sealing ring is connected with the outer contour of the spray head through the elastic connector, the fixing plate is fixedly arranged on the connecting arm, the fixing plate is parallel to the filter element cavity and is arranged in a plurality of ways, the guide rod is distributed on the sealing ring, the top end of the guide rod penetrates through the fixing plate to extend upwards, the spring is sleeved on the guide rod, the sealing ring is connected with the fixing plate through paralysis, and the sealing ring is elastically pressed on the top end of the filter element cavity.
Furthermore, the aperture of the filter holes of the filter element is increased from small to large.
A high-efficiency filtration treatment method of domestic sewage comprises the following steps:
s1: the sewage solution enters the sewage cavity from the sewage inlet pipe, the sewage solution is subjected to primary filtration treatment by the first filtration component, filtered impurities and sludge are deposited in the sewage cavity, the filtered water solution enters the primary filtration cavity, the water solution in the primary filtration cavity is subjected to secondary filtration by the second filtration component, and the filtered water solution enters the water purification cavity and is finally discharged outwards by the water purification water outlet pipe for reutilization;
s2: when the system is used for a preset period, the back washing component performs back washing on the second filtering component to wash filtered particles on the second filtering component, a waste water solution generated after the back washing is collected by a waste water container and flows back to the sewage cavity again through a water return pipe, and sludge and impurity particles are settled and a flocculating agent is in the sewage cavity;
s3: in the back washing process, the rotating shaft intermittently rotates, the high-pressure spray head assembly and the wastewater container follow up and are sequentially switched among the filter element cavities, and the filter elements in the filter element cavities are periodically back washed;
s4: the water pump extracts a water purification solution in the water purification cavity through the washing water inlet pipe, and the water purification solution sequentially passes through the washing water inlet cavity, the connecting arm and the spray head, a closed water flow channel is formed between the spray head and the filter element cavity through the elastic sealing assembly, internal high pressure is formed in the water flow channel, the water purification solution flows from the top end to the bottom end of the filter element cavity, and impurity particles in filter holes of the filter element are carried away when flowing through the filter element and enter the wastewater container;
s5: when the pure water solution flows from the spray head to the filter element cavity, the water solution impacts the blade rotor firstly and enables the blade rotor to rotate, when the longer toggle fin rotates to contact with the pressure rod, the pressure rod and the filter element are enabled to move downwards, when the blade rotor continues to rotate, and the toggle fin passes through the pressure rod, the filter element is reset upwards under the action of the elastic reset piece, along with the rapid rotation of the blade rotor, the filter element reciprocates up and down in the filter element cavity to form vibration, and due to the water solution in the filter element cavity, the vibrated filter element and the water solution interact to rapidly vibrate, so that impurity particles in the filter element are loosened;
s6: and under the condition that the spray head corresponds to the filter element cavity, the sealing ring is tightly pressed on the top end of the filter element cavity through the spring and seals the circumferential direction of the water flow channel.
Has the advantages that: according to the invention, the primary filtering component and the secondary filtering component are used for carrying out multiple sedimentation and filtration on the sewage after primary use, so that the quality of the water quality of sewage treatment is ensured, secondary utilization is facilitated, the back washing component is used for carrying out back washing on the second filtering component, the impurity redundant amount in the second filtering component can be reduced, so that the filtering effect is improved, the long service life and the high-efficiency filtering effect of the second filtering component are ensured, the returned wastewater solution is subjected to secondary sedimentation and filtration through the first filtering component and the sewage cavity through the return pipe, and the centralized collection of sludge and impurity particles is ensured.
Drawings
FIG. 1 is a top plan view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention in a semi-section A-A;
FIG. 3 is a greatly enlarged, fragmentary, schematic view of the overall construction of the present invention;
FIG. 4 is an enlarged view of the structure of the portion C of the present invention;
FIG. 5 is a schematic perspective view of a filter element holder and a high pressure showerhead assembly according to the present invention;
FIG. 6 is a top view of the cartridge holder and high pressure showerhead assembly of the present invention;
FIG. 7 is a schematic view in half section B-B of the present invention;
fig. 8 is an enlarged view of the structure of part D 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 high-efficiency filtration treatment system for domestic sewage comprises a sewage inlet pipe 1, a sewage container 2, a first filtering component 3, a second filtering component 7, a backwashing component 12, a wastewater container 13, a water return pipe 14 and a purified water outlet pipe 10, wherein the first filtering component 3 and the second filtering component 7 are arranged in an inner cavity of the sewage container 2 at intervals from bottom to top, the inner cavity of the sewage container 2 is divided into a sewage cavity 4, a primary filtering cavity 5 and a purified water cavity 11 from bottom to top by the first filtering component 3 and the second filtering component 7, the first filtering component 3 is a filtering plate, the sewage inlet pipe 1 is communicated with the sewage cavity 4, the purified water outlet pipe 10 is communicated with the purified water cavity 11, sewage solution is filtered from bottom to top and can be automatically filtered upwards by water pressure in the sewage cavity and the primary filtering cavity, the purified water component 12 is arranged in the purified water cavity 11, and the water outlet end of the second filtering component 7 is flushed, the waste water container 13 is arranged in the primary filtering cavity 5 corresponding to the water inlet end of the second filtering component 7, and the waste water container 13 is communicated with the sewage cavity 4 through a water return pipe 14. Carry out multiple settlement and filtration to the sewage after the disposable through elementary filtering component 3 and secondary filtering component 7, guarantee the quality of water that sewage was handled, in order to do benefit to and carry out the reutilization, and carry out the back flush to second filtering component 7 through back flush subassembly 12, can reduce the redundant volume of impurity in second filtering component 7, thereby promote the filter effect, guarantee the long-life use and the efficient filter effect of second filtering component 7, and the waste water solution of backward flow subsides once more and filters through first filtering component and sewage chamber through back flow 14, guarantee the concentrated collection of mud and impurity particle.
As shown in fig. 2 to 6, the sewage container 2 is a cylindrical structure, the second filtering component 7 includes a filter element holder 9 and filter elements 8 disposed in the filter element holder 9, the filter element holder 9 includes a plurality of filter element sleeves and mounting plates disposed at two ends of the filter element sleeves, the filter element holder 9 includes a plurality of filter element cavities 15 penetrating along an axial direction of the sewage container 2, the filter element cavities 15 are inner cavities of the filter element sleeves, the filter element cavities 15 are circumferentially arrayed with an axial line of the sewage container 2 as a center, and the filter elements 8 are disposed in the filter element cavities 15 respectively; the back washing component 12 comprises a rotary mechanism 6 and a high-pressure spray head component 17, a rotating shaft of the rotary mechanism 6 is arranged in the axis direction of the sewage container 2, the high-pressure spray head component 17 is connected to the rotary mechanism 6, the high-pressure spray head component 17 is arranged corresponding to any one of the filter element cavities 15, and the high-pressure spray head component 17 sequentially switches among the filter element cavities 15 through the rotation of the rotary mechanism 6. The rotary mechanism 6 rotates intermittently and periodically, so that the backwashing component 12 can backwash the filter elements sequentially, and meanwhile, the other filter elements are normally filtered, so that the normal filtering can be ensured, and meanwhile, one of the filter elements is backwashed, so that the efficiency is high, the filtering time is not additionally occupied, the overall size is small, the occupied space is small, the compactness is stronger, and the rotary mechanism is suitable for families.
Rotation mechanism 6 includes pivot 18, wear to establish respectively in the outside of stretching out at filter core holder 9 at the upper and lower both ends of pivot 18, the top of pivot 18 is provided with a gear 34, and this gear 34 passes through another gear 34 meshing drive of motor 35 output, waste water container 13 is open-top's shell structure, just waste water container 13's top is provided with the cushion for with filter core holder bottom in close contact with, waste water container 13's the opening side corresponds the cover and locates the bottom in filter core chamber 15, waste water container 13 corresponds the setting with high pressure nozzle assembly 17 in vertical direction, waste water container 13 and high pressure nozzle assembly 17 are corresponding to the both ends in same filter core chamber 15 respectively, waste water container 13 passes through the bottom fixed connection of supporting rod 130 with pivot 18, waste water container 13 follows up in pivot 18. Waste water container 13 passes through the hose and communicates with wet return 14, through the hose in order to guarantee waste water container 13 normal rotation in elementary filter chamber, still is equipped with the suction water pump on wet return 14 to in pumping the sewage in waste water container 13 to wet return 14 and sewage chamber 4, guarantee that sewage flows back.
As shown in fig. 6 to 8, an oscillating decontamination assembly 20 is disposed in the filter element cavity 15, and the oscillating decontamination assembly 20 oscillates the filter element 8 back and forth along the length direction of the filter element cavity 15; vibrate decontamination subassembly 20 and reset piece 23 including shock excitation mechanism and elasticity, the length of filter core 8 is less than filter core chamber 15, just equal interval in the both ends setting in filter core chamber 15 in the both ends of filter core 8, shock excitation mechanism sets up in the top of filter core 8, and intermittent type nature drive filter core 8 displacement downwards, elasticity resets and sets up in the bottom of filter core 8 and elastic support filter core 8. The elastic reset piece 23 is a spring, and a hollow support base 19 is further arranged at the bottom end of the filter element cavity 15 and used for supporting and installing the elastic reset piece 23. Filter core 8 upwards resets under the effect that shock excitation mechanism and elasticity reset 23, along with the fast rotation of paddle rotor, filter core 8 up-and-down motion in the filter core intracavity and form vibrations, and because there is aqueous solution in the filter core chamber 15, the filter core 8 and the aqueous solution interact of vibrations and vibrate fast, become flexible the interior foreign particle of filter pore to can be more easily take away foreign particle, filter core 8 is from increasing from little to big in proper order from the filtration pore aperture from bottom to the filtration pore of filter core bottom is greater than the top filtration pore, more does benefit to the granule and flows downwards when receiving rivers scouring action.
As shown in fig. 8, the shock excitation mechanism includes a paddle rotor 22, the paddle rotor 22 is perpendicular to the axial direction of the filter element cavity 15 and transversely disposed in the filter element cavity 15, two ends of a rotating shaft of the paddle rotor 22 are respectively rotatably disposed on the inner wall of the filter element cavity 15, the paddle rotor 22 is disposed corresponding to a nozzle water outlet 260 of the high-pressure nozzle assembly 17, and the outlet water flow of the high-pressure nozzle assembly 17 drives the paddle rotor to rotate; the blade rotor 22 comprises a plurality of blade fins 220 and at least one toggle fin 221 which are coaxially arranged in a circumferential array, the diameter of a rotating pitch circle of the toggle fin 221 is larger than that of the blade fins 220, and the distance from the rotating axis of the blade rotor 22 to the top end of the filter element is larger than that of the rotating pitch circle of the blade fins 220; the toggle fin 221 presses the filter element 8 to displace downward in a rotating state.
Still include depression bar 21, depression bar 21 sets up the top at filter core 8 along filter core length direction, depression bar 21 sets up in paddle fin 220's rotation pitch circle outside region, just depression bar 21 sets up in the rotation pitch circle region of stirring fin 221, depression bar 21 is located stirs fin 221 one side of rotation downwards, stir fin 221 and rotate downwards and press and cover depression bar 21 displacement downwards, depression bar 21's top is bulb structure 210, reduces the frictional force of stirring fin 221 and depression bar contact, guarantees the paddle rotor and rotates fast.
When the pure water solution flows to the filter element cavity from the spray head 26, the water solution firstly impacts on the blade rotor 22, the blade rotor 22 rotates, when the long toggle fin 221 rotates to contact the press rod 21, the press rod 21 and the filter element 8 displace downwards, when the blade rotor rotates continuously and the toggle fin 221 passes through the press rod 21, the filter element 8 resets upwards under the action of the elastic resetting piece 23, and along with the rapid rotation of the blade rotor, the filter element 8 reciprocates up and down in the filter element cavity to form vibration.
As shown in fig. 3 and fig. 4, the high pressure nozzle assembly 17 includes a hydraulic assembly, a connecting arm 16, a nozzle 26 and an elastic sealing assembly 30 disposed on the nozzle 26, the hydraulic assembly includes a water pump 33 and a flushing water inlet pipe 32, the top end of the rotating shaft 18 is recessed axially downward to form a blind-hole-shaped flushing water inlet cavity 31, the top end of the flushing water inlet cavity 31 is connected to the water outlet end of the water pump 33, the water inlet end of the water pump 33 is connected to one end of the flushing water inlet pipe 32, and the other end of the flushing water inlet pipe 32 penetrates into the flushing water inlet cavity 31 from the outside of the sewage container 2 and then penetrates out of the flushing water inlet cavity 31 to extend into the clean water cavity 11, so as to ensure smooth rotation of the flushing water inlet end 32, avoid interference of the flushing water inlet pipe 32 when the rotating shaft 18 rotates, the connecting arm 16 is of a hollow pipe structure, and the, and the connecting arm 16 is communicated with a washing water inlet cavity 31, the elastic sealing component 30 is arranged at the outer side of the spray head 26, and a water flow channel 40 with the periphery closed is formed between the spray head 26 and the top end opening of the filter element cavity 15 through the elastic sealing component 30. The water pump 33 pumps the purified water solution in the purified water cavity 11 through the flushing water inlet pipe 32 and sequentially passes through the flushing water inlet cavity 31, the connecting arm 16 and the spray head 26, and a closed water flow channel 40 is formed between the spray head 26 and the filter element cavity 15 through the elastic sealing assembly 30.
A high-efficiency filtration treatment method of domestic sewage comprises the following steps:
s1: sewage solution enters a sewage cavity 4 from a sewage inlet pipe 1, the sewage solution is subjected to primary filtration treatment by a first filtration component 3, filtered impurities and sludge are deposited in the sewage cavity 4, the filtered water solution enters a primary filtration cavity 5, the water solution in the primary filtration cavity 5 is subjected to secondary filtration by a second filtration component 7, the filtered water solution enters a purified water cavity 11 and is finally discharged outwards through a purified water outlet pipe 10 for reutilization;
s2: when the system is used for a preset period, the back washing component 12 performs back washing on the second filtering component 7 to wash the filtered particles on the second filtering component 7, a waste water solution generated after the back washing is collected through the waste water container 13 and flows back to the sewage cavity 4 again through the water return pipe 14, and sludge and impurity particles are settled and a flocculating agent is in the sewage cavity 4;
s3: in the back flushing process, the rotating shaft 18 intermittently rotates, the high-pressure spray head assembly 17 and the wastewater container 13 follow up and are sequentially switched among the filter element cavities 15, and the filter elements 8 in the filter element cavities 15 are periodically back flushed;
s4: the water pump 33 extracts the purified water solution in the purified water cavity 11 through the washing water inlet pipe 32 and sequentially passes through the washing water inlet cavity 31, the connecting arm 16 and the spray head 26, a closed water flow channel 40 is formed between the spray head 26 and the filter element cavity 15 through the elastic sealing assembly 30, internal high pressure is formed in the water flow channel 40, the purified water solution flows from the top end to the bottom end of the filter element cavity 15, and impurity particles in filter holes of the filter element are carried away when flowing through the filter element 8 and enter the wastewater container 13;
s5: when the purified water solution flows from the spray head 26 to the filter element cavity, the water solution impacts the paddle rotor 22 firstly, the paddle rotor 22 rotates, when the long toggle fin 221 rotates to contact the press rod 21, the press rod 21 and the filter element 8 displace downwards, when the paddle rotor rotates continuously and the toggle fin 221 passes through the press rod 21, the filter element 8 resets upwards under the action of the elastic reset piece 23, the filter element 8 reciprocates up and down in the filter element cavity to form vibration along with the rapid rotation of the paddle rotor, and the vibrating filter element 8 and the water solution vibrate rapidly due to the interaction of the water solution in the filter element cavity 15, so that impurity particles in the filter hole are loosened;
s6: in a state where the nozzle head 26 corresponds to the cartridge chamber 15, the seal ring 25 is tightly pressed against the top end of the cartridge chamber 15 by the spring 28 and seals the circumferential direction of the water flow passage 40.
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 (10)
1. The utility model provides a domestic sewage's high-efficient filtration processing system which characterized in that: comprises a sewage inlet pipe (1), a sewage container (2), a first filtering component (3), a second filtering component (7), a back washing component (12), a wastewater container (13), a water return pipe (14) and a water purification outlet pipe (10), wherein the first filtering component (3) and the second filtering component (7) are arranged in an inner cavity of the sewage container (2) from the lower side at intervals, the inner cavity of the sewage container (2) is separated into a sewage cavity (4), a primary filtering cavity (5) and a water purification cavity (11) from the lower side through the first filtering component (3) and the second filtering component (7), the sewage inlet pipe (1) is communicated with the sewage cavity (4), the water purification outlet pipe (10) is communicated with the water purification cavity (11), the back washing component (12) is arranged in the water purification cavity (11) and is arranged towards the water outlet end of the second filtering component (7), the waste water container (13) is arranged in the primary filtering cavity (5) corresponding to the water inlet end of the second filtering component (7), and the waste water container (13) is communicated with the sewage cavity (4) through a water return pipe (14).
2. The high efficiency filtration treatment system of domestic sewage according to claim 1, wherein: the sewage container (2) is of a barrel-shaped structure, the second filtering component (7) comprises a filter element holder (9) and filter elements (8) arranged in the filter element holder (9), the filter element holder (9) comprises a plurality of filter element cavities (15) which are communicated along the axis direction of the sewage container (2), the filter element cavities (15) are arranged in a circumferential array by taking the axis of the sewage container (2) as the center, and the filter elements (8) are respectively arranged in the filter element cavities (15); backwash subassembly (12) are including rotation mechanism (6) and high pressure nozzle subassembly (17), the pivot of rotation mechanism (6) sets up in sewage container (2) axis direction, high pressure nozzle subassembly (17) connect in on rotation mechanism (6), high pressure nozzle subassembly (17) set up corresponding to arbitrary filter core chamber (15), just high pressure nozzle subassembly (17) pass through rotation of rotation mechanism (6) is in proper order through switching between each filter core chamber (15).
3. The high efficiency filtration treatment system of domestic sewage according to claim 2, wherein: rotation mechanism (6) are including pivot (18), wear to establish respectively in the outside of stretching out at filter core holder (9) at the upper and lower both ends of pivot (18), waste water container (13) are open-top's shell structure, the opening side of waste water container (13) corresponds the bottom that the cover was located filter core chamber (15), waste water container (13) and high pressure nozzle subassembly (17) correspond the setting in vertical direction, waste water container (13) and high pressure nozzle subassembly (17) are corresponding to the both ends in same filter core chamber (15) respectively, waste water container (13) and the bottom fixed connection of pivot (18), waste water container (13) follow-up is in pivot (18).
4. The high efficiency filtration treatment system of domestic sewage according to claim 2, wherein: a vibration decontamination assembly (20) is arranged in the filter element cavity (15), and the vibration decontamination assembly (20) vibrates the filter element (8) in a reciprocating manner along the length direction of the filter element cavity (15); vibrate decontamination subassembly (20) and reset piece (23) including shock excitation mechanism and elasticity, the length of filter core (8) is less than filter core chamber (15), just the both ends of filter core (8) are all separated by the both ends setting in filter core chamber (15), shock excitation mechanism sets up in the top of filter core (8), and intermittent type nature drive filter core (8) displacement downwards, elasticity resets and sets up bottom and the elastic support filter core (8) at filter core (8).
5. The high efficiency filtration treatment system of domestic sewage according to claim 4, wherein: the shock excitation mechanism comprises a paddle rotor (22), the paddle rotor (22) is perpendicular to the axis direction of the filter element cavity (15) and transversely arranged in the filter element cavity (15), two ends of a rotating shaft of the paddle rotor (22) are respectively and rotatably arranged on the inner wall of the filter element cavity (15), the paddle rotor (22) is arranged corresponding to a water outlet of the high-pressure spray head component (17), and water flow of the high-pressure spray head component (17) drives the paddle rotor to rotate; the blade rotor (22) comprises a plurality of blade fins (220) and at least one toggle fin (221) which are coaxially arranged in a circumferential array, the diameter of a rotating pitch circle of the toggle fin (221) is larger than that of the blade fins (220), and the distance from a rotating axis of the blade rotor (22) to the top end of the filter element is larger than that of the rotating pitch circle of the blade fins (220); the toggle fin (221) presses the filter element (8) to move downwards in a rotating state.
6. The high efficiency filtration treatment system of domestic sewage according to claim 5, wherein: still include depression bar (21), depression bar (21) set up the top at filter core (8) along filter core length direction, depression bar (21) set up in the rotation pitch circle outside region of paddle fin (220), just depression bar (21) set up in the rotation pitch circle region of stirring fin (221), depression bar (21) are located stir fin (221) one side of rotation down, stir fin (221) rotate down and cover depression bar (21) displacement down.
7. The high efficiency filtration treatment system of domestic sewage according to claim 2, wherein: high pressure nozzle subassembly (17) includes water conservancy subassembly, linking arm (16), shower nozzle (26) and sets up elastic sealing subassembly (30) on shower nozzle (26), the water conservancy subassembly includes water pump (33) and washes inlet tube (32), the top of pivot (18) is equipped with blind hole form along the axial undercut and washes intake chamber (31), the top that washes intake chamber (31) is connected with the play water end of water pump (33), the intake end of water pump (33) is connected with the one end that washes inlet tube (32), just the other end that washes inlet tube (32) penetrates from sewage container (2) outside and washes in intake chamber (31), then wears out again and washes intake chamber (31) and stretch into in water purification chamber (11), linking arm (16) are hollow tubular structure, just shower nozzle (26) are connected on pivot (18) through linking arm (16), and the connecting arm (16) is communicated with the washing water inlet cavity (31), the elastic sealing component (30) is arranged on the outer side of the spray head (26), and a water flow channel (40) with the periphery closed is formed between the spray head (26) and the top end opening of the filter element cavity (15) through the elastic sealing component (30).
8. The high efficiency filtration treatment system of domestic sewage according to claim 7, wherein: the elastic sealing component (30) comprises a sealing ring (25), an elastic connecting body (27), a fixing plate (24), a spring (28) and a guide rod (29), the sealing ring (25) is sleeved on the outer side of the spray head (26), the top of the sealing ring (25) is connected with the outer contour of the spray head (26) through an elastic connecting body (27), the fixing plate (24) is fixedly arranged on the connecting arm (16), the fixing plate (24) is arranged in parallel with the filter element cavity (15), a plurality of guide rods (29) are distributed on the sealing ring (25), the top end of the guide rod (29) passes through the fixed plate and extends upwards, a spring (28) is sleeved on the guide rod (29), and the sealing ring (25) is connected with the fixing plate (24) through a paralysis (28), and the sealing ring (25) is elastically pressed on the top end of the filter element cavity (15).
9. The high efficiency filtration treatment system of domestic sewage according to claim 2, wherein: the filter element (8) is characterized in that the aperture of the filter holes from top to bottom is increased from small to large.
10. The method for high efficiency filtration treatment of domestic sewage according to any one of claims 1 to 9, wherein: the method comprises the following steps:
s1: sewage solution enters a sewage cavity (4) from a sewage inlet pipe (1), the sewage solution is subjected to primary filtering treatment by a first filtering component (3), filtered impurities and sludge are deposited in the sewage cavity (4), the filtered water solution enters a primary filtering cavity (5), the water solution in the primary filtering cavity (5) is subjected to secondary filtering by a second filtering component (7), and the filtered water solution enters a purified water cavity (11) and is finally discharged outwards through a purified water outlet pipe (10) for reutilization;
s2: when the system is used for a preset period, the back washing component (12) performs back washing on the second filtering component (7), filtered particles on the second filtering component (7) are washed, a wastewater solution generated after the back washing is collected through the wastewater container (13) and flows back to the sewage cavity (4) again through the water return pipe (14), and sludge and impurity particles are settled and a flocculating agent is in the sewage cavity (4);
s3: in the back flushing process, the rotating shaft (18) intermittently rotates, the high-pressure spray head assembly (17) and the wastewater container (13) follow up and are sequentially switched among the filter element cavities (15), and the filter elements (8) in the filter element cavities (15) are periodically back flushed;
s4: the water pump (33) extracts water purification solution in the water purification cavity (11) through a washing water inlet pipe (32) and sequentially washes the water inlet cavity (31), the connecting arm (16) and the spray head (26), the spray head (26) forms a closed water flow channel (40) between the elastic sealing component (30) and the filter element cavity (15), internal high pressure is formed in the water flow channel (40), the water purification solution flows from the top end to the bottom end of the filter element cavity (15), and impurity particles in filter holes of the filter element are carried away when flowing through the filter element (8) and enter the wastewater container (13);
s5: when the purified water solution flows to the filter element cavity from the spray head (26), the water solution firstly impacts the paddle rotor (22) and enables the paddle rotor (22) to rotate, when the longer toggle fin (221) rotates to contact the press rod (21), the press rod (21) and the filter element (8) move downwards, when the paddle rotor continues to rotate and the toggle fin (221) passes through the press rod (21), the filter element (8) resets upwards under the action of the elastic reset piece (23), along with the rapid rotation of the paddle rotor, the filter element (8) reciprocates up and down in the filter element cavity to form vibration, and as the water solution exists in the filter element cavity (15), the vibrating filter element (8) interacts with the water solution to rapidly vibrate, and impurity particles in the filter element are loosened;
s6: in the state that the spray head (26) corresponds to the filter element cavity (15), the sealing ring (25) is tightly pressed on the top end of the filter element cavity (15) through a spring (28) and seals the circumferential direction of the water flow channel (40).
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