CN116832620B - Ultrafiltration back flush equipment for domestic sewage treatment - Google Patents
Ultrafiltration back flush equipment for domestic sewage treatment Download PDFInfo
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- CN116832620B CN116832620B CN202311071880.7A CN202311071880A CN116832620B CN 116832620 B CN116832620 B CN 116832620B CN 202311071880 A CN202311071880 A CN 202311071880A CN 116832620 B CN116832620 B CN 116832620B
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- wheel
- flushing
- synchronous belt
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- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 37
- 239000010865 sewage Substances 0.000 title claims abstract description 21
- 230000001360 synchronised effect Effects 0.000 claims abstract description 142
- 239000012528 membrane Substances 0.000 claims abstract description 125
- 238000004140 cleaning Methods 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000011010 flushing procedure Methods 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 239000012535 impurity Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 230000000670 limiting effect Effects 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- 239000008400 supply water Substances 0.000 claims description 3
- 238000011001 backwashing Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000010840 domestic wastewater Substances 0.000 description 10
- 238000005406 washing Methods 0.000 description 10
- 238000004065 wastewater treatment Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
- B01D65/025—Removal of membrane elements before washing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/20—Accessories; Auxiliary operations
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/44—Specific cleaning apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of ultrafiltration backwashing devices, in particular to an ultrafiltration backwashing device for domestic sewage treatment, which comprises a shell and a flushing device; the two inclined plates are symmetrically arranged at the upper part of the shell; the outside cleaning device is arranged below the inclined plate; the first rotary driver is horizontally arranged on the side wall of the shell below the outer cleaning device; the plurality of first synchronous wheels are uniformly distributed along the length direction of the shell; the first synchronous belt is sleeved on the first synchronous wheel, and the first synchronous belt is in transmission fit with the first synchronous wheel; the first clamping piece is of a semicircular structure and is fixedly arranged on the outer side of the first synchronous belt; the second synchronous wheel is positioned above the first synchronous wheel; the second synchronous belt is sleeved on the second synchronous wheel, and the second synchronous belt is in transmission fit with the second synchronous wheel; the second clamping piece is fixedly arranged on the second synchronous belt; the water supply device is arranged on the side wall of the shell. The invention ensures the cleaning effect on the membrane wires and reduces the workload.
Description
Technical Field
The invention relates to the technical field of ultrafiltration backwashing devices, in particular to an ultrafiltration backwashing device for domestic sewage treatment.
Background
Ultrafiltration is a membrane separation technique that allows the solution to be purified and separated. The ultrafiltration membrane system is a solution separation device which takes ultrafiltration membrane wires as filter media and takes pressure difference at two sides of the membrane as driving force. The ultrafiltration membrane only allows the solvent (such as water molecules), inorganic salt and micromolecular organic matters in the solution to permeate, but intercepts the suspended matters, colloid, protein, microorganisms and other macromolecular matters in the solution, thereby achieving the purposes of purification and separation. Manual flushing adopted by the existing device cannot fully flush the outer surface of the membrane tube, residual impurities possibly exist, and the device does not flush the inner membrane wires of the membrane tube, so that flushing is not thorough, and flux recovery is poor.
Chinese patent CN116135289B discloses a rural domestic sewage ultrafiltration back flushing device, which comprises a flushing tank, a sewage tank, a first water storage tank, an upright post and a cylindrical ultrafiltration membrane body, wherein a first mounting base is fixed on the left side of the upper end of the flushing tank, a first motor is fixed on the upper end of the first mounting base, a rotating shaft is arranged at the output end of the first motor, a first water pump is arranged on the right side of the upper end of the first water storage tank, a connecting water pipe is arranged at the output end of the first water pump, water spraying components are arranged at two open ends of the connecting water pipe, the two water spraying components are fixed on the upper parts of the left and right side walls of the inner cavity of the flushing tank, a supporting pipe is sleeved on the outer surface of the rotating shaft, a first clamping pipe sleeve is arranged outside the right side of the outer surface of the supporting pipe, a top circular plate is arranged on the right side of the inner surface of the supporting pipe, and the clamping pipe sleeve penetrates through the flushing tank; the front side of the upper end of the sewage tank is fixedly provided with a booster, the upper end of the booster is fixedly provided with a pressure water tank, the rear side of the upper end of the sewage tank is fixedly provided with a water storage tank II, the upper side of the front end of the water storage tank II is provided with a water pump II, the output end of the water pump II is fixedly connected with a water conveying pipe, and the upper end of the upright post is fixedly provided with a motor II; the middle part of the right end of the cleaning box is rotationally connected with a rotary ring plate, the inner surface of the rotary ring plate is provided with a cleaning pipe, the left side of the inner surface of the cleaning pipe is provided with a water outlet flange, the inner surface of the water outlet flange is provided with a water outlet pipe, the water conveying pipe penetrates through the outer surface of the cleaning pipe and is communicated with the inner cavity of the water outlet pipe, the left side of the outer surface of the cleaning pipe is sleeved with a clamping pipe sleeve II, the right end of the clamping pipe sleeve II is fixedly provided with six supporting springs in annular arrays, and the clamping pipe sleeve I and the clamping pipe sleeve II are respectively sleeved on the left side and the right side of the outer surface of the cylindrical ultrafiltration membrane body; the output end of the second motor is provided with a rotary circular plate, the front end of the rotary circular plate is rotationally connected with a connecting shaft plate through a fixed column, one end of the connecting shaft plate, which is far away from the rotary circular plate, is rotationally connected with a rotary connecting piece, the left end of the rotary connecting piece is fixedly connected with a boosting column, the left side of the outer surface of the boosting column is sleeved with a water storage pipe, a pressure water tank is communicated with the inner cavity of the water storage pipe through a water delivery pipe with a switch valve, and the water storage pipe is sleeved on the right side of the outer surface of the cleaning pipe; rectangular grooves are formed in the rear sides of the outer surfaces of the boosting columns, threaded rods are fixed on the right side walls of inner cavities of the rectangular grooves, threaded pipes are connected with the outer surfaces of the threaded rods in a threaded mode, water pushing pads are arranged at the left ends of the threaded pipes, and the water pushing pads slide in inner cavities of the water storage pipes.
The internal pressure type membrane wire is cleaned, although the external surface of the membrane wire can be cleaned, the internal cleaning of the membrane wire cannot be effectively realized, the impurities of the internal pressure type membrane wire are concentrated in the membrane wire, the membrane wire is slender, the membrane wire has one-way trafficability from inside to outside, namely, filtered water can pass through the membrane wire, the impurities can be intercepted by the membrane wire, the membrane wire can be directly cleaned from outside, only the outside of the membrane wire can be cleaned, the water flow cannot directly pass through the membrane wire from the outside of the membrane wire and enter the inside of the membrane wire, and when the water flow directly washes from one end of the membrane wire, the water flow in the membrane wire can pass through the membrane wire and flow to the outside of the membrane wire, and the self-cleaning mode is not dismounted, so that the impurities remained in the membrane wire cannot be well washed out, the cleaning difficulty is very large, and in the prior art, if the membrane wire is required to be better cleaned, the water flow from the side wall of the membrane wire cannot be guaranteed, and the work load of the water flow from the side wall of the membrane wire is increased.
Disclosure of Invention
According to the ultrafiltration backwashing equipment for domestic sewage treatment, when the ultrafiltration backwashing equipment is used, membrane wires which are detached are all put into between two inclined plates, under the guidance of the inclined plates, the membrane wires enter the outer side cleaning device for cleaning, the first gap between the lower sides of the two inclined plates is identical to the diameter of the membrane wires, the outer side cleaning device can clean the membrane wires and simultaneously can guide the membrane wires to descend along the height direction of the shell, the membrane wires falling from the outer side cleaning device can fall on the first clamping piece, the first clamping piece has a bearing effect on the membrane wires, meanwhile, the first rotary driver drives the first synchronous belt to rotate through the first synchronous belt, the first clamping piece fixedly arranged on the first synchronous belt synchronously rotates along with the first synchronous belt, the second synchronous wheel arranged above the first synchronous belt synchronously rotates along with the first synchronous belt, the second clamping piece arranged on the second synchronous belt rotates, the first clamping piece and the second clamping piece are always in a coincident state, the first clamping piece and the second clamping piece in the first synchronous state always coincide state can form a sealing effect on the membrane wire after the first clamping piece and the second clamping piece are discharged from the outer side of the membrane, and the cleaning liquid can also flow out of the membrane wire from the other end of the first clamping device, and the cleaning liquid can be guaranteed to be simultaneously discharged from one end of the membrane.
In order to solve the problems in the prior art, the ultrafiltration back flushing equipment for domestic sewage treatment comprises a shell and a flushing device; the flushing device comprises an inclined plate, an outer side cleaning device, a first rotary driver, a first synchronous wheel, a first synchronous belt, a first clamping piece, a second synchronous belt, a second synchronous wheel, a second clamping piece and a water supply device; the two inclined plates are symmetrically arranged at the upper part of the shell, a first gap is reserved between the two inclined plates, the first gap gradually decreases from top to bottom, and the size of the first gap positioned at the lower side is the same as the diameter of the membrane wire; the outer cleaning device is arranged below the inclined plate and can clean the outer side of the membrane wire; the first rotary driver is horizontally arranged on the side wall of the shell below the outer cleaning device; the first synchronous wheels are uniformly distributed along the length direction of the shell, and the first rotary driver is fixedly connected with one of the first synchronous wheels; the first synchronous belt is sleeved on the first synchronous wheel, and the first synchronous belt is in transmission fit with the first synchronous wheel; the first clamping pieces are of semicircular structures, a plurality of the first clamping pieces are arranged, and the plurality of the first clamping pieces are uniformly and fixedly arranged on the outer side of the first synchronous belt along the extending direction of the first synchronous belt; the plurality of second synchronous wheels are arranged, the second synchronous wheels are uniformly distributed along the length direction of the shell, and the second synchronous wheels are positioned above the first synchronous wheels; the second synchronous belt is sleeved on the second synchronous wheel, and the second synchronous belt is in transmission fit with the second synchronous wheel; the second clamping pieces are uniformly and fixedly arranged on the second synchronous belt along the extending direction of the second synchronous belt, the second clamping pieces are of semicircular structures, the first clamping pieces and the second clamping pieces can jointly clamp the membrane wires, the first clamping pieces and the second clamping pieces jointly form a circular structure, and the diameter of the circular structure is identical to the outer diameter of the membrane wires; the water supply device is arranged on the side wall of the shell and can supply water to one end of the membrane wire clamped by the first clamping piece and the second clamping piece.
Preferably, the outside cleaning device comprises a driving device, a cleaning plate, a discharge plate, a first water pump and a first flushing shell; the driving device is arranged on the inner side of the shell along the height direction of the shell; the cleaning plate is arranged on one side of the driving device along the height direction of the shell, a second gap for the membrane wire to descend is reserved between the driving device and the cleaning plate, the second gap is positioned right below the first gap, the size of the second gap is the same as the diameter of the membrane wire, and the driving device can drive the membrane wire to rotate; the discharge plate is obliquely arranged on the side wall of the shell at one side of the second gap and is used for discharging impurities outside the membrane wires; the first flushing shell is arranged on the side wall of the shell opposite to the discharge plate along the height direction of the shell, and can spray the cleaning liquid and enable impurities on the outer side of the film wire to move towards one side of the discharge plate; the first water pump is arranged on one side of the first flushing shell, and the first water pump is communicated with the first flushing shell.
Preferably, the driving means comprises a second rotary drive, a driving wheel and a driving belt; the second rotary driver is horizontally and fixedly arranged on the side wall of the shell; the driving wheels are arranged in a plurality, the driving wheels are uniformly distributed in the shell along the height direction of the shell, and the second rotary driver is fixedly connected with one of the driving wheels; the driving belt is sleeved on the driving wheel and is in transmission fit with the driving wheel.
Preferably, the outside cleaning device further comprises a brush; the brush is provided with a plurality of, and the even setting of brush is close to drive arrangement's one side at the clearance board.
Preferably, the flushing device further comprises a shaking device, wherein the shaking device comprises a transmission device, a shaking rod and a disc; the rocking rod is arranged on one side of the inclined plate in a reciprocating sliding manner along the length direction of the shell, a first sliding groove and two second sliding grooves are vertically formed in the rocking rod, the first sliding groove is arranged in the middle of the rocking rod, the two second sliding grooves are symmetrically distributed at two ends of the rocking rod relative to the first sliding groove, sliding columns are fixedly arranged on the side walls of the two inclined plates, and the two sliding columns are respectively arranged in the second sliding grooves in a sliding manner; the disc is rotatably arranged on one side of the shaking rod along the width direction of the shell, a protruding column is fixedly arranged at the non-center position of the disc, and the protruding column is slidably arranged in the first chute; two ends of the transmission device are respectively connected with the disc and the driving wheel, and the driving wheel drives the disc to rotate through the transmission device.
Preferably, the shaking device further comprises a limiting frame; the limiting frame is fixedly arranged on the side wall of the shell and used for guiding the shaking rod to slide along the length direction of the shell.
Preferably, the flushing device further comprises a synchronizing device comprising a first gear, a second gear and a synchronizing transmission assembly; the first gear is fixedly arranged at one end of the first synchronous wheel along the axis of the first synchronous wheel; the second gear is rotatably arranged on one side of the first gear along the width direction of the shell, and the first gear and the second gear are meshed with each other; and two ends of the synchronous transmission assembly are respectively connected with the second gear and the second synchronous wheel.
Preferably, the flushing device further comprises a triangular sponge; the triangular sponge is arranged on one side, far away from the outside cleaning device, of the first synchronous belt and is used for receiving membrane wires falling from the first clamping piece.
Preferably, the transmission device comprises a third synchronizing wheel and a third synchronizing belt; two third synchronizing wheels are arranged, and the two third synchronizing wheels are respectively arranged at one ends of the disc and the driving wheel; the third synchronous belt is sleeved on the third synchronous wheel, and the third synchronous belt is in transmission fit with the third synchronous wheel.
Preferably, the water supply device comprises a second water pump and a second flushing housing; the second flushing shell is arranged on the shell at one side of the second gap along the length direction of the shell, and can pump out the cleaning liquid; the second water pump is arranged on one side of the second flushing shell, and the second water pump can pump the cleaning liquid into the second flushing shell.
Compared with the prior art, the invention has the beneficial effects that:
The invention sets the inclined plates, the outside cleaning device, the first rotary driver, the first synchronous wheel, the first synchronous belt, the first clamping piece, the second synchronous belt, the second synchronous wheel, the second clamping piece and the water supply device, when in use, the disassembled film wire is all put between the two inclined plates, the film wire enters the outside cleaning device to be cleaned under the guidance of the inclined plates, the first gap between the lower sides of the two inclined plates has the same size as the diameter of the film wire, the outside cleaning device can clean the film wire and simultaneously can guide the film wire to descend along the height direction of the shell, the film wire falling from the outside cleaning device falls on the first clamping piece, the first clamping piece has the function of supporting the film wire, and the first rotary driver drives the first synchronous belt to rotate through the first synchronous wheel, the first clamping piece fixedly arranged on the first synchronous belt synchronously rotates along with the first synchronous belt, the second synchronous wheel above the first synchronous wheel synchronously rotates along with the first synchronous wheel, the second synchronous belt is driven to rotate and the second clamping piece arranged on the second synchronous belt is driven to rotate, the first clamping piece and the second clamping piece are always in a superposition state, the first clamping piece and the second clamping piece in the superposition state form a circular structure, the first clamping piece and the second clamping piece can seal the outer side of the film wire while clamping the outer side of the film wire, and after the water supply device supplies cleaning liquid from one end of the film wire, all the cleaning liquid flows out from the other end of the film wire, so that the cleaning effect on the film wire is guaranteed, and meanwhile, the workload is reduced.
Drawings
FIG. 1 is a schematic perspective view of an ultrafiltration backwash apparatus for domestic wastewater treatment;
FIG. 2 is an enlarged schematic view of a portion of the ultrafiltration backwash apparatus of FIG. 1 for treatment of domestic wastewater;
FIG. 3 is an enlarged schematic view of a portion of the ultrafiltration backwash apparatus of FIG. 1B for treatment of domestic wastewater;
FIG. 4 is a schematic perspective view of a domestic wastewater treatment ultrafiltration backwash apparatus;
FIG. 5 is an enlarged schematic view of a portion of the ultrafiltration backwash apparatus of FIG. 4 for treatment of domestic wastewater;
FIG. 6 is a partially enlarged schematic illustration of an ultrafiltration backwash apparatus for domestic wastewater treatment at D in FIG. 4;
FIG. 7 is a side view of an ultrafiltration backwash apparatus for domestic wastewater treatment;
FIG. 8 is a schematic perspective view of an ultrafiltration backwash apparatus for domestic wastewater treatment with a portion of the housing removed;
FIG. 9 is a side view of an ultrafiltration backwash apparatus for domestic wastewater treatment with the housing removed;
fig. 10 is an enlarged schematic view of a portion of an ultrafiltration backwash apparatus for domestic wastewater treatment at E in fig. 9.
The reference numerals in the figures are:
1-a housing; 2-flushing means; 21-inclined plate; 22-an outside cleaning device; 221-a driving device; 2211-a second rotary drive; 2212-a drive wheel; 2213—a drive belt; 222-cleaning the plate; 2221-brush; 223-discharge plate; 224-a first water pump; 225-a first flush shell; 23-a first rotary drive; 231-a first synchronizing wheel; 24-a first synchronization belt; 241-first clamp; 25-a second synchronous belt; 251-a second synchronizing wheel; 252-a second clamp; 253-synchronizing means; 2531—a first gear; 2532-a second gear; 2533-a synchronous drive assembly; 26-a water supply device; 261-a second water pump; 262-a second flush housing; 27-shaking means; 271-a transmission; 2711-third synchronizing wheel; 2712-third timing belt; 272-shake the lever; 2721-a first chute; 2722-a second chute; 273-discs; 2731-projecting posts; 274-a limiting frame; 28-triangular sponge; 3-membrane filaments.
Description of the embodiments
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 and 7-9: an ultrafiltration back flushing device for domestic sewage treatment comprises a shell 1 and a flushing device 2; the flushing device 2 includes an inclined plate 21, an outside cleaning device 22, a first rotary driver 23, a first timing wheel 231, a first timing belt 24, a first clamping piece 241, a second timing belt 25, a second timing wheel 251, a second clamping piece 252, and a water supply device 26; the two inclined plates 21 are symmetrically arranged at the upper part of the shell 1, a first gap is reserved between the two inclined plates 21, the first gap gradually decreases from top to bottom, and the size of the first gap at the lower side is the same as the diameter of the membrane wire 3; the outer cleaning device 22 is arranged below the inclined plate 21, and the outer cleaning device 22 can clean the outer side of the membrane wire 3; the first rotary driver 23 is horizontally arranged on the side wall of the housing 1 below the outside cleaning device 22; the first synchronous wheels 231 are provided in plurality, the first synchronous wheels 231 are uniformly distributed along the length direction of the shell 1, and the first rotary driver 23 is fixedly connected with one of the first synchronous wheels 231; the first synchronous belt 24 is sleeved on the first synchronous wheel 231, and the first synchronous belt 24 is in transmission fit with the first synchronous wheel 231; the first clamping pieces 241 are of a semicircular structure, a plurality of first clamping pieces 241 are arranged, and the plurality of first clamping pieces 241 are uniformly and fixedly arranged on the outer side of the first synchronous belt 24 along the extending direction of the first synchronous belt 24; the second synchronizing wheels 251 are provided in plurality, the second synchronizing wheels 251 are uniformly arranged along the length direction of the casing 1, and the second synchronizing wheels 251 are positioned above the first synchronizing wheels 231; the second synchronous belt 25 is sleeved on the second synchronous wheel 251, and the second synchronous belt 25 is in transmission fit with the second synchronous wheel 251; the second clamping pieces 252 are arranged in a plurality, the second clamping pieces 252 are uniformly and fixedly arranged on the second synchronous belt 25 along the extending direction of the second synchronous belt 25, the second clamping pieces 252 are of a semicircular structure, the first clamping pieces 241 and the second clamping pieces 252 can jointly clamp the membrane wires 3, the first clamping pieces 241 and the second clamping pieces 252 jointly form a circular structure, and the diameter of the circular structure is identical to the outer diameter of the membrane wires 3; the water supply device 26 is provided on a side wall of the housing 1, and the water supply device 26 can supply water to one end of the membrane wire 3 clamped by the first clamping member 241 and the second clamping member 252.
Because the membrane silk 3 of filtration needs to demolish in advance, can remain more impurity on the inner wall of membrane silk 3, be inconvenient for the washing, when using equipment washs membrane silk 3, all throw into two inclined plates 21 with membrane silk 3 that demolish, membrane silk 3 is in the horizontality, under the guide of inclined plate 21, membrane silk 3 gets into outside cleaning device 22 and clear up, first space size and the diameter size of membrane silk 3 between two inclined plates 21 downside are the same, outside cleaning device 22 can also guide membrane silk 3 along the high direction decline of shell 1 when carrying out the clearance to membrane silk 3, membrane silk 3 that drops from outside cleaning device 22 can fall on first clamping piece 241, first clamping piece 241 has the bearing effect to membrane silk 3, simultaneously first rotary actuator 23 drives first synchronous belt 24 through first synchronizing wheel 231, make the first clamping piece 241 of fixed setting on first synchronous belt 24 rotate along with first synchronous belt 24, the second synchronous wheel 251 along with the diameter size of membrane silk 3 is the same, outside cleaning solution setting up the second synchronous wheel 251 can also make the second synchronous belt 252 simultaneously with the first clamping piece 252 of first synchronous belt 25, the second synchronous belt 252 simultaneously, the second synchronous belt 252 of setting up the membrane silk 25 and the second synchronous belt 252 simultaneously, the second synchronous belt 252 can be simultaneously, the work of the membrane silk is simultaneously carried out from the first clamping piece 252, the second synchronous belt 252 has been guaranteed, and the work piece 252 is simultaneously rotated, and the membrane silk 252 can be carried out, and the work piece is completely down, and the whole is guaranteed, and can be rotated, and can be moved, and down, and can be moved, and a cleaning device.
Referring to fig. 4, 7 and 8: the outside cleaning device 22 includes a driving device 221, a cleaning plate 222, a discharge plate 223, a first water pump 224, and a first rinse shell 225; the driving device 221 is disposed inside the housing 1 in the height direction of the housing 1; the cleaning plate 222 is arranged at one side of the driving device 221 along the height direction of the shell 1, a second gap for the membrane wire 3 to descend is reserved between the driving device 221 and the cleaning plate 222, the second gap is positioned right below the first gap, the size of the second gap is the same as the diameter of the membrane wire 3, and the driving device 221 can drive the membrane wire 3 to rotate; the discharge plate 223 is obliquely arranged on the side wall of the shell 1 at one side of the second gap, and the discharge plate 223 is used for discharging impurities outside the membrane wires 3; the first flushing shell 225 is arranged on the side wall of the shell 1 opposite to the discharge plate 223 along the height direction of the shell 1, and the first flushing shell 225 can spray the cleaning liquid and enable impurities on the outer side of the membrane wire 3 to move towards the side of the discharge plate 223; the first water pump 224 is disposed at one side of the first washing case 225, and the first water pump 224 and the first washing case 225 communicate with each other.
When the membrane wire 3 enters between the driving device 221 and the cleaning plate 222, the driving device 221 is started, the membrane wire 3 descends in the second gap under the action of gravity of the driving device, the descending process of the membrane wire 3 is red, the side wall of the membrane wire 3 is contacted with the driving device 221, the membrane wire 3 rotates along the axis of the driving device, the rotating membrane wire 3 and the cleaning plate 222 are rubbed relatively, the cleaning plate 222 can clean impurities on the outer side of the membrane wire 3, meanwhile, the first water pump 224 cleans the outer side of the membrane wire 3 through the first flushing shell 225, impurities on the outer side of the membrane wire 3 can be cleaned, and the discharging plate 223 arranged on the side wall of the shell 1 can guide and discharge the impurities on the outer side of the membrane wire 3.
Referring to fig. 7 and 8: the driving device 221 includes a second rotary driver 2211, a driving wheel 2212, and a driving belt 2213; the second rotary driver 2211 is horizontally and fixedly arranged on the side wall of the housing 1; the driving wheels 2212 are provided with a plurality of driving wheels 2212, the driving wheels 2212 are uniformly arranged in the housing 1 along the height direction of the housing 1, and the second rotary driver 2211 is fixedly connected with one of the driving wheels 2212; the driving belt 2213 is sleeved on the driving wheel 2212, and the driving belt 2213 is in transmission fit with the driving wheel 2212.
After the second rotary driver 2211 is started, the driving wheels 2212 are driven to rotate by the second rotary driver 2211, and all the driving wheels 2212 rotate under the transmission of the driving belt 2213.
Referring to fig. 10: the outboard cleaning arrangement 22 also includes a brush 2221; the brush 2221 is provided in plurality, and the brush 2221 is uniformly disposed at one side of the cleaning plate 222 near the driving device 221.
The driving device 221 can drive the descending membrane wire 3 to rotate, and the hairbrush 2221 arranged on the cleaning plate 222 can generate a blocking effect on the descending membrane wire 3, so that the descending speed of the membrane wire 3 is slowed down, because the extending hairbrush 2221 can increase the friction force on the outer surface of the membrane wire 3, the friction force can also clean stains on the outer side of the membrane wire 3, and the outer side of the membrane wire 3 can be cleaned better.
Referring to fig. 2, 5 and 8: the flushing device 2 further comprises a rocking device 27, the rocking device 27 comprising a transmission 271, a rocking lever 272 and a disc 273; the rocking rod 272 is arranged on one side of the inclined plate 21 in a reciprocating sliding manner along the length direction of the shell 1, a first sliding groove 2721 and two second sliding grooves 2722 are vertically arranged on the rocking rod 272, the first sliding groove 2721 is arranged in the middle of the rocking rod 272, the two second sliding grooves 2722 are symmetrically distributed at two ends of the rocking rod 272 relative to the first sliding groove 2721, sliding columns are fixedly arranged on the side walls of the two inclined plates 21, and the two sliding columns are respectively arranged in the second sliding grooves 2722 in a sliding manner; the disc 273 is rotatably arranged at one side of the rocking rod 272 along the width direction of the shell 1, a convex column 2731 is fixedly arranged at the non-center position of the disc 273, and the convex column 2731 is slidably arranged in the first chute 2721; the two ends of the transmission device 271 are respectively connected with the disc 273 and the driving wheel 2212, and the driving wheel 2212 drives the disc 273 to rotate through the transmission device 271.
After the driving wheel 2212 rotates, the driving wheel 2212 drives the disc 273 to rotate through the transmission device 271, the protruding column 2731 on the disc 273 rotates around the axis of the disc 273, the disc 273 can slide along the length direction of the shell 1 through the sliding fit of the protruding column 2731 and the first sliding groove 2721 on the rocking rod 272, the two inclined plates 21 can swing under the action of the rocking rod 272 through the sliding fit of the second sliding groove 2722 on the rocking rod 272, so that the membrane wire 3 can be prevented from being blocked at the lower parts of the two inclined plates 21, and the membrane wire 3 can be ensured to smoothly enter the outer cleaning device 22.
Referring to fig. 2: the shaking device 27 further comprises a stop 274; the limiting frame 274 is fixedly arranged on the side wall of the housing 1, and the limiting frame 274 is used for guiding the rocking rod 272 to slide along the length direction of the housing 1.
The rocking lever 272 can slide stably along the longitudinal direction of the housing 1 by providing the stopper 274.
Referring to fig. 4 and 6: the flushing device 2 further comprises a synchronizing device 253, the synchronizing device 253 comprising a first gear 2531, a second gear 2532 and a synchronizing transmission assembly 2533; the first gear 2531 is fixedly disposed at one end of the first synchronizing wheel 231 along the axis of the first synchronizing wheel 231; the second gear 2532 is rotatably provided at one side of the first gear 2531 in the width direction of the housing 1, and the first gear 2531 and the second gear 2532 are engaged with each other; both ends of the synchronous transmission assembly 2533 are respectively connected with the second gear 2532 and the second synchronous wheel 251.
After the first synchronizing wheel 231 rotates, the first synchronizing wheel 231 drives the first gear 2531 to rotate, and the second gear 2532 is meshed with the first gear 2531, so that the second gear 2532 can drive the second synchronizing wheel 251 to rotate through the synchronous transmission assembly 2533, thereby ensuring that the first clamping member 241 and the second clamping member 252 can be always in a superposition state along with the rotation of the first synchronous belt 24 and the second synchronous belt 25.
Referring to fig. 9: the flushing device 2 further comprises a triangular sponge 28; the triangular sponge 28 is provided on the side of the first timing belt 24 remote from the outside cleaning device 22, and the triangular sponge 28 is used for receiving the film wire 3 falling from the first clamp 241.
Along with the rotation of the first synchronous belt 24, the first clamping piece 241 arranged on the first synchronous belt 24 gradually inclines and is finally in an inverted state under the drive of the first synchronous belt 24, in the process of inclining the first clamping piece 241, the membrane wire 3 positioned on the first clamping piece 241 slides off from the first clamping piece 241, the membrane wire 3 has gravity, if the membrane wire 3 is directly contacted with the bottom of the shell 1, the membrane wire 3 is damaged due to the impact force of the membrane wire 3 and the shell 1, after the triangular sponge 28 is arranged, the falling membrane wire 3 is contacted with the triangular sponge 28, and the triangular sponge 28 has a buffer effect on the falling membrane wire 3, so that the membrane wire 3 is prevented from being damaged after falling.
Referring to fig. 3 and 8: the transmission 271 includes a third synchronizing wheel 2711 and a third synchronizing belt 2712; the third synchronizing wheels 2711 are arranged in two, and the two third synchronizing wheels 2711 are respectively arranged at one ends of the disc 273 and the driving wheel 2212; the third synchronous belt 2712 is sleeved on the third synchronous wheel 2711, and the third synchronous belt 2712 and the third synchronous wheel 2711 are in transmission fit.
When the driving wheel 2212 rotates, the third synchronizing wheel 2711 located at one side of the driving wheel 2212 rotates, and the third synchronizing wheel 2711 drives the third synchronizing belt 2712 to rotate, so that all the third synchronizing wheels 2711 rotate, and a transmission function is realized.
Referring to fig. 7: the water supply device 26 includes a second water pump 261 and a second washing case 262; the second washing case 262 is disposed on the housing 1 at one side of the second gap along the length direction of the housing 1, and the second washing case 262 can pump out the washing liquid; the second water pump 261 is provided at one side of the second washing housing 262, and the second water pump 261 can pump the washing liquid into the second washing housing 262.
When the first clamping piece 241 and the second clamping piece 252 drive the membrane wire 3 to pass through the second flushing shell 262, water flow sprayed out of the second flushing shell 262 enters from one end of the membrane wire 3, and the first clamping piece 241 and the second clamping piece 252 have a limiting effect on the outer wall of the membrane wire 3, so that the water flow in the membrane wire 3 cannot pass through the membrane wire 3, and the water flow is ensured to flow out from the other end of the membrane wire 3 after entering from one end of the membrane wire 3, so that the inner wall of the membrane wire 3 can be cleaned better.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. An ultrafiltration back flushing device for domestic sewage treatment comprises a shell (1) and a flushing device (2);
The flushing device (2) is characterized by comprising an inclined plate (21), an outer cleaning device (22), a first rotary driver (23), a first synchronous wheel (231), a first synchronous belt (24), a first clamping piece (241), a second synchronous belt (25), a second synchronous wheel (251), a second clamping piece (252) and a water supply device (26);
the two inclined plates (21) are symmetrically arranged at the upper part of the shell (1), a first gap is reserved between the two inclined plates (21), the first gap gradually decreases from top to bottom, and the size of the first gap at the lower side is the same as the diameter of the membrane wire (3);
The outer cleaning device (22) is arranged below the inclined plate (21), and the outer cleaning device (22) can clean the outer side of the membrane wire (3);
the first rotary driver (23) is horizontally arranged on the side wall of the shell (1) below the outer cleaning device (22);
The first synchronous wheels (231) are provided with a plurality of first synchronous wheels (231), the first synchronous wheels (231) are uniformly distributed along the length direction of the shell (1), and the first rotary driver (23) is fixedly connected with one of the first synchronous wheels (231);
The first synchronous belt (24) is sleeved on the first synchronous wheel (231), and the first synchronous belt (24) is in transmission fit with the first synchronous wheel (231);
The first clamping pieces (241) are of semicircular structures, a plurality of first clamping pieces (241) are arranged, and the plurality of first clamping pieces (241) are uniformly and fixedly arranged on the outer side of the first synchronous belt (24) along the extending direction of the first synchronous belt (24);
The second synchronous wheels (251) are arranged in a plurality, the second synchronous wheels (251) are uniformly distributed along the length direction of the shell (1), and the second synchronous wheels (251) are positioned above the first synchronous wheels (231);
the second synchronous belt (25) is sleeved on the second synchronous wheel (251), and the second synchronous belt (25) is in transmission fit with the second synchronous wheel (251);
The second clamping pieces (252) are arranged in a plurality, the second clamping pieces (252) are uniformly and fixedly arranged on the second synchronous belt (25) along the extending direction of the second synchronous belt (25), the second clamping pieces (252) are of semicircular structures, the first clamping pieces (241) and the second clamping pieces (252) can jointly clamp the membrane wires (3), the first clamping pieces (241) and the second clamping pieces (252) jointly form a circular structure, and the diameter of the circular structure is the same as the outer diameter of the membrane wires (3);
The water supply device (26) is arranged on the side wall of the shell (1), and the water supply device (26) can supply water to one end of the membrane wire (3) clamped by the first clamping piece (241) and the second clamping piece (252).
2. An ultrafiltration backwash apparatus for domestic sewage treatment according to claim 1, wherein the outer cleaning means (22) comprises a drive means (221), a cleaning plate (222), a discharge plate (223), a first water pump (224) and a first flushing housing (225);
The driving device (221) is arranged on the inner side of the shell (1) along the height direction of the shell (1);
the cleaning plate (222) is arranged on one side of the driving device (221) along the height direction of the shell (1), a second gap for the membrane wire (3) to descend is reserved between the driving device (221) and the cleaning plate (222), the second gap is positioned right below the first gap, the size of the second gap is the same as the diameter of the membrane wire (3), and the driving device (221) can drive the membrane wire (3) to rotate;
the discharge plate (223) is obliquely arranged on the side wall of the shell (1) at one side of the second gap, and the discharge plate (223) is used for discharging impurities outside the membrane wires (3);
The first flushing shell (225) is arranged on the side wall of the shell (1) opposite to the discharge plate (223) along the height direction of the shell (1), and the first flushing shell (225) can spray the cleaning liquid and enable impurities outside the membrane wires (3) to move towards one side of the discharge plate (223);
The first water pump (224) is arranged on one side of the first flushing shell (225), and the first water pump (224) and the first flushing shell (225) are communicated with each other.
3. An ultrafiltration backwash apparatus for domestic sewage treatment according to claim 2, wherein the drive means (221) comprises a second rotary drive (2211), a drive wheel (2212) and a drive belt (2213);
The second rotary driver (2211) is horizontally and fixedly arranged on the side wall of the shell (1);
the driving wheels (2212) are arranged in a plurality, the driving wheels (2212) are uniformly arranged in the shell (1) along the height direction of the shell (1), and the second rotary driver (2211) is fixedly connected with one of the driving wheels (2212);
The driving belt (2213) is sleeved on the driving wheel (2212), and the driving belt (2213) is in transmission fit with the driving wheel (2212).
4. An ultrafiltration backwash apparatus for domestic sewage treatment according to claim 2, wherein the outer cleaning means (22) further comprises a brush (2221);
The brush (2221) is provided with a plurality of, and the brush (2221) is even to be set up in the side that the clearance board (222) is close to drive arrangement (221).
5. A domestic sewage treatment ultrafiltration backwash apparatus according to claim 3, wherein the flushing device (2) further comprises a shaking device (27), the shaking device (27) comprising a transmission means (271), a shaking bar (272) and a disc (273);
The rocking rod (272) is arranged on one side of the inclined plate (21) in a reciprocating sliding manner along the length direction of the shell (1), a first sliding groove (2721) and two second sliding grooves (2722) are vertically formed in the rocking rod (272), the first sliding groove (2721) is formed in the middle of the rocking rod (272), the two second sliding grooves (2722) are symmetrically distributed at two ends of the rocking rod (272) relative to the first sliding groove (2721), sliding columns are fixedly arranged on the side walls of the two inclined plates (21), and the two sliding columns are respectively arranged in the second sliding grooves (2722) in a sliding manner;
The disc (273) is rotatably arranged on one side of the rocking rod (272) along the width direction of the shell (1), a protruding column (2731) is fixedly arranged at the non-center position of the disc (273), and the protruding column (2731) is slidably arranged in the first chute (2721);
The two ends of the transmission device (271) are respectively connected with the disc (273) and the driving wheel (2212), and the driving wheel (2212) drives the disc (273) to rotate through the transmission device (271).
6. An ultrafiltration backwash apparatus for domestic sewage treatment according to claim 5, wherein the shaking means (27) further comprises a stop (274);
The limiting frame (274) is fixedly arranged on the side wall of the shell (1), and the limiting frame (274) is used for guiding the rocking rod (272) to slide along the length direction of the shell (1).
7. Ultrafiltration backwash equipment for domestic sewage treatment according to claim 1, characterized in that the flushing device (2) further comprises a synchronizing device (253), the synchronizing device (253) comprising a first gear (2531), a second gear (2532) and a synchronizing transmission assembly (2533);
the first gear (2531) is fixedly arranged at one end of the first synchronous wheel (231) along the axis of the first synchronous wheel (231);
The second gear (2532) is rotatably arranged on one side of the first gear (2531) along the width direction of the shell (1), and the first gear (2531) and the second gear (2532) are meshed with each other;
both ends of the synchronous transmission assembly (2533) are respectively connected with the second gear (2532) and the second synchronous wheel (251).
8. Ultrafiltration backwash equipment for domestic sewage treatment according to claim 1, wherein the flushing device (2) further comprises a triangular sponge (28);
The triangular sponge (28) is arranged on one side of the first synchronous belt (24) far away from the outer cleaning device (22), and the triangular sponge (28) is used for receiving membrane wires (3) falling from the first clamping piece (241).
9. An ultrafiltration backwash apparatus for domestic sewage treatment according to claim 5, wherein the transmission means (271) comprises a third synchronizing wheel (2711) and a third synchronizing belt (2712);
Two third synchronous wheels (2711) are arranged, and the two third synchronous wheels (2711) are respectively arranged at one ends of the disc (273) and the driving wheel (2212);
The third synchronous belt (2712) is sleeved on the third synchronous wheel (2711), and the third synchronous belt (2712) is in transmission fit with the third synchronous wheel (2711).
10. An ultrafiltration backwash apparatus for domestic sewage treatment according to claim 1, wherein the water supply means (26) comprises a second water pump (261) and a second flushing housing (262);
the second flushing shell (262) is arranged on the shell (1) at one side of the second gap along the length direction of the shell (1), and the second flushing shell (262) can pump out the cleaning liquid;
The second water pump (261) is arranged on one side of the second flushing shell (262), and the second water pump (261) can pump cleaning liquid into the second flushing shell (262).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311071880.7A CN116832620B (en) | 2023-08-24 | 2023-08-24 | Ultrafiltration back flush equipment for domestic sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311071880.7A CN116832620B (en) | 2023-08-24 | 2023-08-24 | Ultrafiltration back flush equipment for domestic sewage treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116832620A CN116832620A (en) | 2023-10-03 |
| CN116832620B true CN116832620B (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311071880.7A Active CN116832620B (en) | 2023-08-24 | 2023-08-24 | Ultrafiltration back flush equipment for domestic sewage treatment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011177653A (en) * | 2010-03-01 | 2011-09-15 | Asahi Kasei Chemicals Corp | Filter |
| CN110215845A (en) * | 2019-07-19 | 2019-09-10 | 江苏集萃智能制造技术研究所有限公司 | A kind of ultrafiltration membrane cleaning product line and cleaning method |
| CN214261405U (en) * | 2020-12-31 | 2021-09-24 | 常州海滤德膜分离技术有限公司 | Ultrafiltration membrane element with high-efficient blowdown structure |
| CN216856319U (en) * | 2021-12-22 | 2022-07-01 | 浙江金鸣环境科技有限公司 | Be used for sewage membrane to handle automatic washing unit |
| CN217614047U (en) * | 2022-07-18 | 2022-10-21 | 深圳市澳洁源环保科技有限公司 | Ultrafiltration membrane cleaning equipment |
-
2023
- 2023-08-24 CN CN202311071880.7A patent/CN116832620B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011177653A (en) * | 2010-03-01 | 2011-09-15 | Asahi Kasei Chemicals Corp | Filter |
| CN110215845A (en) * | 2019-07-19 | 2019-09-10 | 江苏集萃智能制造技术研究所有限公司 | A kind of ultrafiltration membrane cleaning product line and cleaning method |
| CN214261405U (en) * | 2020-12-31 | 2021-09-24 | 常州海滤德膜分离技术有限公司 | Ultrafiltration membrane element with high-efficient blowdown structure |
| CN216856319U (en) * | 2021-12-22 | 2022-07-01 | 浙江金鸣环境科技有限公司 | Be used for sewage membrane to handle automatic washing unit |
| CN217614047U (en) * | 2022-07-18 | 2022-10-21 | 深圳市澳洁源环保科技有限公司 | Ultrafiltration membrane cleaning equipment |
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| Publication number | Publication date |
|---|---|
| CN116832620A (en) | 2023-10-03 |
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