CN116474558B - MBR membrane equipment - Google Patents
MBR membrane equipment Download PDFInfo
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- CN116474558B CN116474558B CN202310564971.8A CN202310564971A CN116474558B CN 116474558 B CN116474558 B CN 116474558B CN 202310564971 A CN202310564971 A CN 202310564971A CN 116474558 B CN116474558 B CN 116474558B
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- 239000012528 membrane Substances 0.000 title claims abstract description 153
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 238000004140 cleaning Methods 0.000 claims abstract description 62
- 238000005507 spraying Methods 0.000 claims description 35
- 230000000694 effects Effects 0.000 abstract description 9
- 230000001960 triggered effect Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- 239000013043 chemical agent Substances 0.000 description 10
- 238000001914 filtration Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 9
- 230000005484 gravity Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses MBR (Membrane biological reactor) membrane equipment, which comprises a cleaning device, wherein a clamping mechanism used for clamping a membrane element is arranged in the cleaning device, the clamping mechanism comprises a plurality of clamping cylinders, a triggering and abutting component is arranged in each clamping cylinder, and after the membrane element is completely placed in each clamping cylinder, the triggering and abutting component triggers and abuts and fixes the membrane element. According to the MBR membrane equipment provided by the invention, the clamping cylinder is arranged, the side edge of the membrane element is placed into the clamping cylinder when the membrane element is used, after the membrane element is completely placed into the clamping cylinder, the abutting component is triggered to start, and the abutting component is triggered to abut and fix the membrane element so as to limit the membrane element in the clamping cylinder, so that the stability of the membrane element is improved when the membrane element is clamped; the plurality of membrane elements are clamped and fixed through the plurality of clamping cylinders respectively, so that the effect of synchronously cleaning the plurality of membrane elements is realized, the cleaning efficiency is greatly improved, and the time for exposing the membrane elements is reduced as much as possible.
Description
Technical Field
The invention relates to the technical field of MBR (membrane biological reactor) membranes, in particular to MBR membrane equipment.
Background
MBR is also called a membrane bioreactor, and is a novel water treatment technology which combines a membrane separation unit and a biological treatment unit. For industrial production and installation, flat curtain membranes are usually assembled in the form of membrane elements in a basic unit, which is generally referred to as a membrane module, which is contaminated during long-term use, for which purpose it is necessary to clean it on-line or off-line, as the case may be.
If the authorized notice number is CN217746526U, the authorized notice date is 2022, 11 and 8, and the patent is entitled "offline MBR membrane curtain cleaning device", which comprises a frame, a driving motor, a reversing transmission mechanism, a cleaning mechanism and a control unit. According to the pressure-resistant water supply device, the MBR membrane curtain is inserted between the nozzles of the first pressure-resistant water supply branch pipe and the second pressure-resistant water supply branch pipe, and can be washed by two sides at the same time, so that the flushing effect is good, and the labor intensity is low.
When the existing MBR membrane equipment performs offline cleaning on the membrane element, the membrane element needs to be taken out first, then the membrane element is removed and washed independently (as described in the patent above), so that the cleaning rate of the membrane element is reduced, and the cleaned or unwashed membrane element is exposed to the outside for a long time and is easy to dry, which can cause irreversible damage to the membrane element.
Disclosure of Invention
The invention aims to provide MBR membrane equipment so as to solve the defects in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
the MBR membrane equipment comprises a cleaning device, wherein a clamping mechanism used for clamping a membrane element is arranged in the cleaning device, the clamping mechanism comprises a plurality of clamping cylinders, a triggering and abutting component is arranged in each clamping cylinder, and after the membrane element is completely placed in each clamping cylinder, the triggering and abutting component triggers and abuts against and fixes the membrane element.
Foretell an MBR membrane equipment, fixture still includes the link, and a plurality of the fixture section of thick bamboo equidistance is fixed on the link.
The MBR membrane equipment comprises a trigger rod hinged to the bottom of the clamping cylinder, a collision rod hinged to the top of the clamping cylinder and a linkage rod connected to the clamping cylinder in a sliding mode.
The MBR membrane equipment further comprises a limiting component used for limiting the position of the linkage rod.
The MBR membrane equipment comprises the limiting assembly, wherein the limiting assembly comprises a ratchet part which is formed on the linkage rod, the clamping cylinder is hinged with a movable block, and one end of the movable block is provided with a ratchet part which corresponds to the ratchet part.
Above-mentioned MBR membrane equipment, link one side is provided with the movable rod, the movable rod is located the movable block and keeps away from the one side of centre gripping section of thick bamboo.
The MBR membrane equipment is characterized in that a fixing rod is constructed on the connecting frame, a fixing groove matched with the fixing rod is formed in the cleaning device, a connecting rod is fixed on the movable rod, the connecting rod is inserted into the fixing rod, an inclined surface part is constructed at the end of the connecting rod, and a reset spring is arranged between the fixing rod and the connecting rod.
The MBR membrane equipment comprises a shell, a cleaning cavity is formed in the shell, a spraying mechanism is arranged in the cleaning cavity, the spraying area of the spraying mechanism is smaller than that of a membrane element, a plurality of groups of spraying mechanisms are arranged, the spraying mechanisms and the clamping mechanisms are arranged in a staggered mode, and the MBR membrane equipment further comprises a driving mechanism used for driving the clamping mechanisms to conduct plane reciprocating movement in the cleaning cavity.
The driving mechanism comprises a fixed plate arranged on the inner wall of the cleaning cavity, a driving groove is formed in the fixed plate, the driving groove is in a square wave shape, a driving block is slidably connected in the driving groove, the connecting frame is arranged on the driving block, and the MBR membrane equipment further comprises a power mechanism used for driving the driving block to reciprocate along the driving groove.
In the above MBR membrane device, the fixing groove is formed on the driving block.
In the technical scheme, the MBR membrane equipment provided by the invention has the advantages that the clamping cylinder is arranged, the side edge of the membrane element is placed into the clamping cylinder when the MBR membrane equipment is used, after the membrane element is completely placed into the clamping cylinder, the abutting component is triggered to start, and the abutting component is triggered to abut and fix the membrane element so as to limit the membrane element in the clamping cylinder, so that the stability of the membrane element is improved;
the membrane elements are clamped and fixed through the clamping cylinders, so that the effect of synchronously cleaning the membrane elements is achieved, the cleaning efficiency is greatly improved, the time of exposing the membrane elements is reduced as far as possible, and the condition of drying the membrane elements is avoided as far as possible.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a movable rod part according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a clamping cylinder according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure shown in FIG. 3A according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a fixing rod according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a cross-sectional structure of a driving block according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a cleaning apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic view of a structure of a fixing plate and a clamping mechanism according to an embodiment of the present invention;
fig. 9 is a schematic view of a sliding plate structure according to an embodiment of the present invention;
FIG. 10 is a schematic top view of a trigger block above a junction according to an embodiment of the present invention;
fig. 11 is a schematic top view of a trigger block under a junction according to an embodiment of the present invention.
Reference numerals illustrate:
1. a housing; 2. a spraying mechanism; 3. a fixing plate; 4. a driving groove; 41. a horizontal slot; 42. a vertical slot; 5. a driving block; 6. a lifting block; 7. driving a screw; 8. a first rack; 9. a sliding plate; 10. a gear; 11. a second rack; 12. a guide post; 13. a first spring; 14. a clamping block; 141. a clamping groove; 15. a clamping rod; 16. a chute; 17. a trigger block; 18. a connecting frame; 19. a clamping cylinder; 20. a fixing groove; 21. a fixed rod; 25. a trigger lever; 26. a touch-up rod; 27. a linkage rod; 28. a hinge rod; 29. a ratchet part; 30. a movable block; 31. a pawl portion; 32. a movable rod; 33. a connecting rod; 34. and a return spring.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1-11, an embodiment of the present invention provides an MBR membrane device, including a cleaning device, in which a clamping mechanism for clamping a membrane element is provided, the clamping mechanism includes a plurality of clamping cylinders 19, a triggering and abutting component is provided in the clamping cylinders 19, and after the membrane element is completely placed in the clamping cylinders 19, the triggering and abutting component triggers and abuts and fixes the membrane element.
Specifically, the membrane element generally consists of two water collecting pipes and a filtering membrane, two ends of the filtering membrane are respectively connected with the two water collecting pipes, the membrane element filters sewage through a filtering membrane part, and impurities such as sludge are also attached to the filtering membrane part, so that a cleaning object of the cleaning device is the filtering membrane part; a plurality of clamping cylinders 19 on the clamping mechanism are symmetrically arranged, and the two corresponding clamping cylinders 19 are respectively used for clamping and fixing water collecting pipes on two sides of the membrane element; the clamping cylinder 19 is a cylinder body, one end of the clamping cylinder 19 is provided with an opening for placing a water collecting pipe, openings are formed in the opposite sides of the two clamping cylinders 19, and when the water collecting pipe is placed in the clamping cylinder 19, the filtering membrane is positioned in the openings, namely when the two corresponding clamping cylinders 19 fix the membrane element, the filtering membrane leaks out through the openings of the two clamping cylinders 19, so that the filtering membrane is conveniently cleaned; the invention has the innovation points that after a plurality of membrane elements are removed from the membrane assembly, the membrane elements can be respectively placed into the two corresponding clamping cylinders 19, after the corresponding two clamping cylinders 19 clamp and fix the membrane elements, the part of the filtering membrane can completely leak out, and the effect of synchronously cleaning the plurality of membrane elements can be realized by arranging the plurality of clamping cylinders 19, thereby greatly improving the cleaning efficiency, reducing the time of exposing the membrane elements to the outside as much as possible, and avoiding the condition of drying the membrane elements as much as possible (after the membrane elements are used, the filtering membrane is irreversibly damaged by the drying state; when the clamping mechanism is used, only the water collecting pipe is completely inserted into the clamping cylinder 19, the triggering and collision assembly is started and is used for carrying out collision fixation on the water collecting pipe part of the membrane element (such as a sensor and a telescopic rod are arranged in the clamping cylinder 19, after the water collecting pipe is completely inserted, the telescopic rod is started to enable the membrane element to be in collision fixation in the clamping cylinder 19), so that the membrane element is stably clamped.
According to the MBR membrane equipment provided by the embodiment of the invention, the clamping cylinder 19 is arranged, when the MBR membrane equipment is used, the side edge of the membrane element is placed into the clamping cylinder 19, after the membrane element is completely placed into the clamping cylinder 19, the abutting component is triggered to start, and the abutting component is triggered to abut and fix the membrane element so as to limit the membrane element into the clamping cylinder 19, so that the stability of the membrane element is improved; the plurality of membrane elements are clamped and fixed through the plurality of clamping cylinders 19 respectively, so that the effect of synchronously cleaning the plurality of membrane elements is realized, the cleaning efficiency is greatly improved, the time for exposing the membrane elements is reduced as far as possible, and the condition that the membrane elements are dry is avoided as far as possible.
In yet another embodiment of the present invention, further, the clamping mechanism further includes a connection frame 18, and the plurality of clamping cylinders 19 are equidistantly fixed on the connection frame 18. Specifically, the overall structure of the connecting frame 18 is square, a plurality of clamping cylinders 19 are symmetrically and vertically fixed on two opposite sides of the connecting frame 18, and a plurality of clamping cylinders 19 on the same side of the connecting frame 18 are equidistantly arranged.
Further, the triggering and abutting assembly comprises a triggering rod 25 hinged at the bottom of the clamping cylinder 19, an abutting rod 26 hinged at the top of the clamping cylinder 19, and a linkage rod 27 connected to the clamping cylinder 19 in a sliding manner. Specifically, a movable cavity is formed on one side of the clamping cylinder 19 far away from the opening, the trigger rod 25 is horizontally hinged to the bottom of the movable cavity, and one part of the trigger rod extends into the clamping cylinder 19; the contact resisting rod 26 is hinged to the top of the movable cavity, the contact resisting rod 26 is completely embedded into the movable cavity, the contact resisting rod 26 is bent around the hinge point, and the bending part of the contact resisting rod is in contact with the top end of the linkage rod 27; the linkage rod 27 is slidably connected in the movable cavity, a hinge rod 28 is arranged at the bottom of the movable cavity, and two ends of the hinge rod 28 are hinged with the linkage rod 27 and the trigger rod 25 respectively. When the water collecting pipe part of the membrane element is completely inserted into the clamping cylinder 19, the end head of the water collecting pipe can abut against the trigger rod 25, so that the trigger rod 25 is driven to rotate around the hinge point (3 rotates anticlockwise in the figure), then the linkage rod 27 is driven to move upwards along the movable cavity through the hinge rod 28, when the linkage rod 27 moves upwards, the top end of the linkage rod extrudes the bending part of the contact rod 26, so that the contact rod 26 is driven to rotate (3 rotates anticlockwise in the figure), the trigger rod 25 rotates in the movable cavity by the fact that the rotation amplitude of the trigger rod 25 is larger in the movable cavity due to the difference of the structures of the two ends of the linkage rod 27, namely the rotation amplitude of the contact rod 26 in the movable cavity is smaller, namely when the linkage rod 27 moves upwards, the vertical direction stroke of the contact rod 26 in the clamping cylinder 19 is larger than the vertical direction stroke of the trigger rod 25 in the clamping cylinder 19. The advantage that sets up like this lies in, when the clamping cylinder 19 is put into to the collector pipe of membrane element, the end of collector pipe forces the trigger lever 25 to rotate, further drive to support feeler lever 26 and rotate, and support feeler lever 26 pivoted angle in the same time great (that is to say, support feeler lever 26 in the vertical direction stroke in clamping cylinder 19 in the same time great), make the collector pipe insert clamping cylinder 19 completely after, trigger lever 25 and conflict lever 26 carry out the centre gripping to the both ends of collector pipe simultaneously fixedly, and trigger lever 25 and conflict lever 26 can't continue to rotate after the centre gripping is fixed (trigger lever 25 and conflict lever 26 are different in the vertical direction stroke in clamping cylinder 19, can't continue synchronous anticlockwise rotation), with this stability that improves the collector pipe in the clamping cylinder 19, that is to membrane element receives stable centre gripping fixedly between corresponding two clamping cylinders 19.
Still further, a limiting assembly for limiting the position of the link lever 27, such as a manual or electric latch, is further included, and preferably, the limiting assembly includes a ratchet portion 29 formed on the link lever 27, a movable block 30 is hinged to the clamping cylinder 19, and a pawl portion 31 corresponding to the ratchet portion 29 is formed at one end of the movable block 30. Specifically, a torsion spring is provided at the hinge point between the movable block 30 and the holding cylinder 19, for forcing the pawl portion 31 of the movable block 30 to rotate to the side close to the ratchet portion 29, the ratchet portion 29 and the pawl portion 31 each have a slope portion and a plane portion, when the ratchet portion 29 moves upward, the ratchet portion 29 forces the pawl portion 31 to rotate around the hinge point thereof through the slope portion, when the ratchet portion 29 moves downward, the ratchet portion 29 and the plane portion of the pawl portion 31 are engaged with each other, thereby limiting the ratchet portion 29 and the link lever 27, and the effect is that, when the water collecting pipe of the film element forces the trigger lever 25 to rotate, the link lever 27 moves upward along the movable cavity, at this time, the pawl portion 31 can be forced to rotate around the hinge point thereof by the slope portion of the pawl portion 31 until the trigger lever 25 and the abutting lever 26 clamp both ends of the water collecting pipe, in this state, the link lever 27 cannot move downward (limited by the engagement of the ratchet portion 29 and the pawl portion 31), that is, the water collecting pipe cannot disengage from the clamp of the trigger lever 25 and the abutting lever 26, thereby further improving the stability of clamping the film element; when the clamping of the film element needs to be released, the movable block 30 is pressed to disengage the pawl portion 31 from the ratchet portion 29.
Still further, a movable rod 32 is disposed at one side of the connecting frame 18, and the movable rod 32 is located at one side of the movable block 30 away from the clamping cylinder 19; the movable rod 32 is provided along the direction in which the plurality of holding cylinders 19 are juxtaposed, and the movable rod 32 can simultaneously press the plurality of movable blocks 30 on the same side, thereby controlling the engagement between the pawl portions 31 of the plurality of movable blocks 30 on the same side and the corresponding ratchet portions 29. The connecting frame 18 is provided with a fixing rod 21, the cleaning device is internally provided with a fixing groove 20 matched with the fixing rod 21, the movable rod 32 is fixedly provided with a connecting rod 33, the connecting rod 33 is inserted into the fixing rod 21, the end of the connecting rod 33 is provided with a bevel part, and a reset spring 34 is arranged between the fixing rod 21 and the connecting rod 33. Specifically, the movable rod 32 is integrally configured in a "U" shape, which is attached to the outer side of the connecting frame 18, the end of the movable rod 32 extends to the fixed rod 21, the connecting rod 33 is integrally configured in an "L" shape, which is embedded in the fixed rod 21, the connecting frame 18 is connected with the fixed slot 20 of the cleaning device through the fixed rod 21, that is, the connecting frame 18 is integrally installed in the fixed slot 20 of the cleaning device through the fixed rod 21 or removed from the fixed slot 20 of the cleaning device; the two ends of the return spring 34 are respectively fixed on the fixed rod 21 and the connecting rod 33, so that the movable rod 32 fixed with the connecting rod 33 is forced to move towards the direction approaching the movable block 30 by the return spring 34; when the fixing lever 21 is positioned outside the fixing groove 20, the connecting lever 33 presses the movable block 30 under the action of the return spring 34, and in this state, the pawl portion 31 of the movable block 30 is disengaged from the ratchet portion 29; when the fixing lever 21 is mounted in the fixing groove 20, the fixing groove 20 presses the inclined surface portion of the connecting lever 33, so that the connecting lever 33 stretches the return spring 34, and the movable lever 32 is driven to no longer press the movable block 30, and in this state, the ratchet portion 31 of the movable block 30 can engage and restrict the ratchet portion 29 of the link lever 27. The advantage of this arrangement is that the connecting frame 18 can be taken out before the membrane element is cleaned, at this time, when the water collecting pipes on two sides of the membrane element are put into the clamping cylinder 19, the water collecting pipes can be primarily clamped and fixed by the gravity of the water collecting pipes (but the water collecting pipes in the state can move upwards to be separated from the clamping cylinder 19), after the membrane element is completely placed in the corresponding clamping cylinder 19, the fixing rod 21 of the connecting frame 18 is installed in the corresponding fixing groove 20, so that the connecting rod 33 is forced to not press the movable block 30 any more, the ratchet parts 29 of the linkage rod 27 can be clamped and limited by the pawl parts 31 of the movable block 30, so that the positions of the trigger rod 25 and the abutting rod 26 are limited, the membrane element is further limited, and the membrane element is prevented from being separated from the clamping cylinder 19 when the membrane element moves upwards as much as possible.
In still another embodiment of the present invention, the cleaning device further includes a housing 1, a cleaning cavity is configured in the housing 1, a spraying mechanism 2 is disposed in the cleaning cavity, a spraying area of the spraying mechanism is smaller than an area of the membrane element, multiple groups of spraying mechanisms 2 are disposed on the cleaning cavity, multiple groups of spraying mechanisms 2 are disposed in a staggered manner with multiple groups of clamping mechanisms, and the cleaning device further includes a driving mechanism for driving the clamping mechanisms to perform planar reciprocating movement in the cleaning cavity. Specifically, a drain outlet is formed in the shell 1 and is used for discharging sewage in the cleaning cavity, the drain outlet can be plugged, and chemical agents can be injected into the cleaning cavity after plugging so as to soak the membrane element; the spraying mechanism 2 can be a water gun in the prior art, preferably, the spraying mechanism 2 is a combination of a water inlet pipe and a spray head, the water inlet pipe is preferably fixed on the bottom wall of the cleaning cavity, and the spray head is fixed at the tail end of the water inlet pipe, so that the spray head at the tail end of the water inlet pipe sprays the membrane element in a certain area; the effect of the arrangement is that when the MBR membrane module is cleaned offline, membrane elements in the membrane module are sequentially taken out and placed on the clamping mechanism, the clamping mechanism clamps a plurality of membrane elements, a certain distance exists between two adjacent membrane elements, the spraying mechanism 2 can move, as a plurality of groups of spraying mechanisms 2 are arranged in the cleaning cavity, the spraying mechanisms 2 and the membrane elements after clamping are arranged in a staggered manner, the spraying mechanisms 2 can flush the corresponding membrane elements, so that the damage to the membrane elements caused by the spraying mechanisms 2 due to scraping can be avoided as much as possible, the flushed sewage can be discharged out of the cleaning cavity through the sewage drain, so that the residual of pollutants on the membrane elements (in the cleaning cavity) can be reduced as much as possible, and the usage amount of chemical agents required in the subsequent soaking of the membrane elements is reduced; the spraying area of the spraying mechanism 2 is smaller than that of the membrane element, so that the spraying mechanism 2 can only flush partial areas of the membrane element at the same time, and meanwhile, a driving mechanism is arranged to drive the clamping mechanism and the membrane element on the clamping mechanism to perform plane reciprocating movement (namely, the clamping mechanism and the membrane element are reciprocally moved in a plane parallel to the clamped membrane element, the movement track can be a straight line or a curve, and the corresponding driving can be performed by adopting an electric push rod or a chain), so that the membrane element and the spraying mechanism 2 relatively move, and each area of the membrane element is flushed through the spraying mechanism 2, so that the water consumption during flushing can be reduced, and the water resource can be saved as much as possible; the washed cleaning cavity can be used for plugging a sewage outlet after sewage is discharged, and then clean water and chemical agents are injected into the cleaning cavity, so that the membrane element can be soaked in the chemical agents in the cleaning cavity; and finally, the washing process is repeated to finish the washing work of each membrane element in the membrane assembly, so that the membrane assembly after washing recovers ideal membrane flux.
In another embodiment provided by the invention, the driving mechanism further comprises a fixed plate 3 arranged on the inner wall of the cleaning cavity, a driving groove 4 is formed in the fixed plate 3, the driving groove 4 is Fang Bozhuang, a driving block 5 is slidably connected in the driving groove 4, the connecting frame 18 is arranged on the driving block 5, and the driving mechanism further comprises a power mechanism for driving the driving block 5 to reciprocate along the driving groove 4. Specifically, the power mechanism comprises a horizontal driving assembly and a vertical driving assembly, wherein the horizontal driving assembly is used for driving the driving block 5 to move in the horizontal direction along the driving groove 4, and the vertical driving assembly is used for driving the driving block 5 to move in the vertical direction along the driving groove 4. The fixed plate 3 and the clamped film element are arranged in parallel, the square wave shape of the driving groove 4 is composed of a plurality of sections of horizontal grooves 41 and vertical grooves 42, two ends of the horizontal grooves 41 are communicated with corresponding vertical grooves 42, two ends of the vertical grooves 42 are communicated with corresponding horizontal grooves 41, the driving groove 4 is integrally constructed into a square wave shape, two ends of the driving groove 4 are composed of a section of horizontal grooves 41, the driving block 5 is slidably connected in the driving groove 4, and the driving block 5 can be driven to reciprocate along the driving groove 4 through a power mechanism so as to drive a clamping mechanism arranged on the driving block to move along the driving groove 4; the horizontal driving component is used for driving the driving block 5 to move along the horizontal groove 41, and the vertical driving component is used for driving the driving block 5 to move along the vertical groove 42. The function of the arrangement is that the driving block 5 drives the connecting frame 18, the clamping mechanism and the film element on the connecting frame to do square wave-shaped reciprocating and vertical movement on the plane parallel to the fixed plate 3, so that the spraying mechanism 2 does square wave-shaped reciprocating and vertical movement relative to the film element, and the film element is fully washed in the moving mode (in order to save the water consumption for washing the film element, the spraying area of the spraying mechanism 2 is reduced as much as possible, and the length and the width of the spraying area are smaller than those of the film element, so that the spraying mechanism 2 and the film element need to relatively do horizontal and vertical movement to fully wash the film element); when the driving block 5 moves to the edge of the driving groove 4 (i.e. the tail end of the horizontal groove 41 or the tail end of the vertical groove 42), the driving block 5 slightly impacts the inner wall of the driving groove 4 under the driving of the power mechanism, so that the film element on the clamping mechanism can be driven to vibrate to a certain extent, and the film element intermittently vibrates (at the edges of the multi-section horizontal groove 41 and the vertical groove 42, i.e. intermittently vibrates) in the process of flushing the film element by the spraying mechanism 2, thereby improving the cleaning effect and accelerating the process of cleaning pollutants on the film element; when the chemical agent is soaked in the membrane element, the driving block 5 moves along the driving groove 4 to drive the membrane element to move in the chemical agent (namely, the membrane element moves in the chemical agent and performs intermittent vibration), meanwhile, the chemical agent is stirred to a certain extent through the clamping mechanism on the driving block 5 and the membrane element, so that the chemical agent in the cleaning cavity is fully contacted with the membrane element, the cleaning efficiency of the membrane element is improved as much as possible, and the aeration operation during soaking of the conventional chemical agent can be saved (the aeration operation can be performed simultaneously with the conventional aeration operation, and the cleaning efficiency of the membrane element is further improved).
Still further, the fixing groove 20 is constructed on the driving block 5. Specifically, the connecting frame 18 is connected with the fixing groove 20 of the driving block 5 through the fixing rod 21, that is, the whole connecting frame 18 can be mounted on the driving block 5 through the fixing rod 21 or dismounted from the driving block 5, after the fixing rod 21 is put into the fixing groove 20, the relative positions of the driving block 5 and the fixing rod 21 can be limited through bolts or bolts and the like, so that the connecting frame 18 and the driving block 5 can be conveniently mounted and dismounted.
Still further, the horizontal drive subassembly includes vertical sliding connection lifting block 6 on fixed plate 3, the last rotation of lifting block 6 is connected with drive screw 7, drive screw 7 and drive block 5 threaded connection. Specifically, the lifting block 6 can slide along the vertical direction of the fixed plate 3, when the driving block 5 is positioned in the horizontal groove 41, the driving screw 7 rotates to drive the driving block 5 to move along the horizontal groove 41, when the driving block 5 is positioned in the vertical groove 42, the driving block 5 ascends or descends along the vertical groove 42 under the action of gravity of the vertical driving component, and in the process that the driving block 5 moves along the vertical groove 42, the lifting block 6 synchronously slides along the vertical direction of the fixed plate 3, and the lifting block further comprises a power source (such as a motor, not shown) which is arranged on the lifting block 6, wherein the power source is used for driving the driving screw 7 to rotate forward or reversely, so that the driving block 5 can be driven to horizontally reciprocate through the power source and the driving screw 7, and when the driving block 5 horizontally reciprocates, the driving block 5 can be synchronously driven to vertically reciprocate through the operation of the vertical driving component, and then the driving block 5 is driven to reciprocate along the driving groove 4 in a square wave shape; when the driving screw 7 drives the driving block 5 to move to the end of the horizontal groove 41, the driving block 5 slightly impacts the end of the horizontal groove 41 to drive the membrane element to slightly vibrate.
Still further, vertical drive assembly includes vertical sliding connection first rack 8 and sliding plate 9 on fixed plate 3, be provided with the elastic component between first rack 8 and the fixed plate 3, it is provided with gear 10 to rotate on the sliding plate 9, sliding connection has second rack 11 on the sliding plate 9, first rack 8 and second rack 11 all mesh with gear 10, still include the joint spare, it is used for carrying out the joint to drive block 5 and second rack 11. Specifically, a sliding groove is vertically formed in the fixed plate 3, the sliding plate 9 is in sliding connection with the sliding groove, the first rack 8 is arranged along the vertical direction of the fixed plate 3, a guide post 12 is fixed on the fixed plate 3, a guide groove for the guide post 12 to move is formed in the first rack 8, the guide post 12 is polygonal and is inserted into the guide groove, so that the guide post can only vertically slide and cannot rotate, an elastic piece is preferably two first springs 13 symmetrically arranged, the two first springs 13 are respectively sleeved at the upper end and the lower end of the guide post 12, the two ends of the first springs 13 are respectively fixedly connected with the fixed plate 3 and the first rack 8, so that the first rack 8 is forced to be positioned at an original position on the guide post 12 through the first springs 13, the second rack 11 is horizontally arranged and can slide along the horizontal direction of the sliding plate 9, and the first rack 8 and the second rack 11 are staggered in the depth direction (the direction perpendicular to the fixed plate 3) and are meshed with the gear 10; when the driving block 5 needs to ascend along the driving groove 4 (ascending of the whole travel), the driving block 5 moves to a position close to the vertical groove 42 along the horizontal groove 41, the driving block 5 and the second rack 11 are clamped through a clamping piece (the clamping piece can be a clamping piece controlled by an electric push rod, and the clamping piece can be clamped with a groove body on the second rack 11 when extending out of the driving block 5), after the clamping is completed, continued movement of the drive block 5 along the horizontal slot 41 will squeeze the second rack 11 (via the snap-fit engagement against the inner wall of the slot), since the second rack 11 is in sliding connection with the sliding plate 9, the second rack 11 is extruded and then moves horizontally relative to the sliding plate 9, so that the gear 10 is driven to rotate when the second rack moves, and then the first rack 8 is driven by the gear 10 to move downwards along the guide post 12, when the first rack 8 moves downwards, the first spring 13 is stretched or extruded (both ends of the first rack 8 are respectively provided with the first spring 13, when the first rack moves downwards, the first spring 13 is stretched or extruded), at this time, the driving block 5 is interfered by the upper wall of the horizontal groove 41, and cannot move vertically under the action of the elastic force of the first spring 13 until the driving block 5 completely moves to the inside of the vertical groove 42, the top of the driving block 5 is not limited any more, and the first rack 8, the sliding plate 9, the gear 10, the second rack 11 and the driving block 5 are driven to synchronously rise into the next horizontal groove 41 under the elastic force of the first spring 13, then the driving block 5 can continue to move along the next horizontal groove 41 (the clamping between the driving block 5 and the second rack 11 is released during the movement), so that the driving of the driving block 5 along the driving groove 4 is completed; when the driving block 5 descends along the driving groove 4 (the whole travel descends), the driving block moves to a position close to the vertical groove 42 along the horizontal groove 41, the clamping piece does not work (namely the clamping machine head does not extend to be clamped with the groove body), so that the driving block 5 can directly move into the vertical groove 42, and the driving block 5 is driven to descend into the next horizontal groove 41 along the vertical groove 42 under the action of the gravity of the horizontal driving component, so that the driving of the driving block 5 descending along the driving groove 4 is completed; after the driving block 5 ascends along the driving groove 4 and moves to the next horizontal groove 41 from the vertical groove 42, and the second rack 11 is released from the clamping connection with the driving block 5, the sliding plate 9 slides downwards under the action of gravity, and in the process of downward movement of the sliding plate 9, the position of the first rack 8 is basically unchanged, so that the gear 10 rotates when moving downwards, and meanwhile, the second rack 11 is driven to horizontally move until the sliding plate 9, the gear 10 and the second rack 11 are reset to the original positions, so that the next clamping connection with the driving block 5 is facilitated, and the driving block 5 is driven to move upwards along the vertical groove 42.
The advantage of this arrangement is that firstly, the horizontal driving assembly continuously works and drives the driving block 5 to horizontally reciprocate, when the driving block 5 moves to a position close to the vertical groove 42 along the horizontal groove 41, under the action of the structures such as the first rack 8 and the second rack 11, the driving block 5 can be driven to rise into the next horizontal groove 41 passively, or the driving block 5 is driven to fall into the next horizontal groove 41 under the action of gravity, so that the driving block 5 can be driven to continuously and continuously move along the driving groove 4 along square-wave-shaped track, so that the film element on the clamping mechanism moves relative to the spraying mechanism 2 and the film element is washed comprehensively; secondly, when driving the driving block 5 through the first spring 13 and ascending along the vertical groove 42, the elasticity of the first spring 13 can drive the driving block 5 to strike the top wall of the vertical groove 42, so can drive the membrane element on the clamping mechanism to vibrate to a greater extent, further improve the cleaning effect and accelerate the process of removing pollutants on the membrane element, and correspondingly, the driving block 5 can strike the bottom wall of the vertical groove 42 when descending along the vertical groove 42 under the action of gravity, and can also drive the membrane element to vibrate to a certain extent.
It should be noted that, the elastic coefficient of the first spring 13 is larger, the lifting block 6 and the driving screw 7 are made of light materials (the power source of the driving screw 7 is smaller and the power is larger), because the horizontal movement of the driving block 5 is driven by the driving screw 7, and the transmission ratio of the driving screw 7 is larger, the driving screw 7 has enough power to drive the driving block 5 to squeeze the second rack 11 so as to force the first rack 8 to squeeze the first spring 13 to move, and when the first spring 13 is reset, the elastic potential energy of the first spring 13 is enough to drive the structures of the first rack 8, the sliding plate 9, the driving block 5, the lifting block 6, the film element and the like to synchronously move; the elastic coefficient of the first spring 13 is determined based on the height of the vertical groove 42, so that when the driving block 5 extrudes the second rack 11, the deformation amount of the first rack 8 compressing the first spring 13 is slightly larger than the height of the vertical groove 42 (so that the elastic potential energy accumulated by the first spring 13 is enough to drive the driving block 5 to impact the inner wall of the driving groove 4 to a certain extent), and when the first spring 13 is reset, the driving block 5 is driven to move to the top of the vertical groove 42 to enter the next horizontal groove 41 to move continuously; the height of the sliding groove corresponds to the height of the vertical groove 42, that is, the sliding distance of the sliding plate 9 along the sliding groove is the same as the sliding distance of the driving block 5 along the vertical groove 42, so that after the driving block 5 is clamped with the second rack 11, the driving block 5 and the sliding plate 9 synchronously move for a certain distance.
In still another embodiment of the present invention, further, the clamping member includes a clamping block 14 slidably connected to the driving block 5, a clamping groove 141 is configured on the clamping block 14, and a clamping rod 15 adapted to the clamping groove 141 is fixed on the second rack 11. Specifically, the driving block 5 is provided with a chute 16 along the direction of the vertical fixing plate 3, the clamping block 14 is slidably connected in the chute 16, two clamping grooves 141 are symmetrically formed at two ends of the clamping block 14, and the two clamping grooves 141 are respectively used for clamping the clamping rods 15 at two sides of the fixing plate 3. When the driving block 5 ascends along the driving groove 4, the clamping block 14 is automatically moved to one side of the sliding groove 16 far away from the fixed plate 3 (such as an electric push rod or an electric telescopic rod) by driving the clamping block 14 through a linear driving mechanism, at this time, the clamping groove 141 is aligned with the clamping rod 15, so that when the driving block 5 moves along the horizontal groove 41, the clamping rod 15 can be inserted into the corresponding clamping groove 141, thereby driving the driving block 5 to ascend along the vertical groove 42 through the vertical driving component until the driving block 5 moves to the tail end above the driving groove 4, and when the driving block 5 returns and descends along the driving groove 4, the clamping block 14 is moved to one side of the sliding groove 16 near the fixed plate 3, at this time, the clamping block 14 is dislocated with the clamping rod 15, and both the driving block 5 and the clamping block 14 are positioned on one side of the clamping rod 15 near the fixed plate 3, that is, when the driving block 5 descends along the driving groove 4, the driving block 5 does not contact with the second rack 11, so that the driving block 5 can descend along the vertical groove 42 under the action of self gravity. The advantage of this arrangement is that the state of the driving block 5 can be changed by adjusting the position of the clamping block 14, so that the driving block can be clamped with the clamping rod 15 or not clamped with the clamping rod 15, and the driving block 5 can be adapted to the ascending or descending stroke.
It should be noted that, after the clamping rod 15 abuts against the inner wall of the clamping groove 141, the driving block 5 continues to move a certain distance to reach the end of the horizontal groove 41, and the distance is the same as the deformation of the first spring 13, that is, after the driving block 5 is clamped with the second rack 11, the moving distance of the first rack 8 and the second rack 11 is the same until the driving block 5 completely enters the vertical groove 42.
Furthermore, trigger mechanisms are arranged at two ends of the driving groove 4, the trigger mechanisms force the clamping blocks 14 to be aligned with the clamping rods 15 at the bottom end of the driving groove 4, and the trigger mechanisms force the clamping blocks 14 to be dislocated with the clamping rods 15 at the top end of the driving groove 4. Specifically, the trigger mechanism includes two trigger blocks 17 fixed on the upper and lower sides of the fixed plate 3, the two trigger blocks 17 are respectively located at two ends of the driving slot 4, one side of the two trigger blocks 17 close to the driving slot 4 is respectively provided with an inclined plane, and the angles of the two inclined planes are opposite, so that the clamping block 14 is forced to move along the chute 16 through the inclined planes on the two trigger blocks 17, that is, when the driving block 5 moves to the upper end along the driving slot 4, the clamping block 14 can squeeze the inclined plane of the upper trigger block 17, so that the clamping block 14 moves to one side of the chute 16 close to the fixed plate 3, correspondingly, when the driving block 5 moves to the lower end along the driving slot 4, the clamping block 14 can squeeze the inclined plane of the lower trigger block 17, so that the clamping block 14 moves to one side of the chute 16 far away from the fixed plate 3, and the driving block 5 is driven to reciprocate along the driving slot 4, in the reciprocating movement process of the driving block 5, that the clamping block 14 can pass through the upper end and lower end of the driving slot 4, so that the clamping block 14 is forced to move to the clamping block 15 or the lower end of the driving rod is not adapted to the stroke of the driving rod.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (1)
1. The MBR membrane equipment comprises a cleaning device, wherein a clamping mechanism used for clamping a membrane element is arranged in the cleaning device, and the MBR membrane equipment is characterized in that the clamping mechanism comprises a plurality of clamping cylinders, a triggering and abutting component is arranged in each clamping cylinder, and after the membrane element is placed in each clamping cylinder, the triggering and abutting component triggers and abuts against and fixes the membrane element;
the clamping mechanism further comprises a connecting frame, and a plurality of clamping cylinders are fixed on the connecting frame at equal intervals;
the triggering and abutting assembly comprises a triggering rod hinged to the bottom of the clamping cylinder, an abutting rod hinged to the top of the clamping cylinder and a linkage rod connected to the clamping cylinder in a sliding manner;
the clamping cylinder is hinged with a movable block, and one end of the movable block is provided with a pawl part corresponding to the ratchet part;
a movable rod is arranged at one side of the connecting frame and is positioned at one side of the movable block far away from the clamping cylinder;
the cleaning device comprises a cleaning device, a connecting rod, a reset spring, a connecting rod and a connecting rod, wherein the connecting rod is constructed on the connecting frame, a fixing groove matched with the fixing rod is constructed in the cleaning device, the connecting rod is fixed on the movable rod and is inserted into the fixing rod, a bevel part is constructed at the end of the connecting rod, and the reset spring is arranged between the fixing rod and the connecting rod;
the cleaning device comprises a shell, a cleaning cavity is formed in the shell, a spraying mechanism is arranged in the cleaning cavity, the spraying area of the spraying mechanism is smaller than that of the membrane element, a plurality of groups of spraying mechanisms are arranged, the spraying mechanisms and the clamping mechanisms are arranged in a staggered mode, and the cleaning device further comprises a driving mechanism used for driving the clamping mechanisms to reciprocate in a plane in the cleaning cavity;
the driving mechanism comprises a fixed plate arranged on the inner wall of the cleaning cavity, a driving groove is formed in the fixed plate, the driving groove is in a square wave shape, a driving block is connected in the driving groove in a sliding mode, the connecting frame is arranged on the driving block, and the driving mechanism is used for driving the driving block to reciprocate along the driving groove;
the power mechanism comprises a horizontal driving assembly and a vertical driving assembly;
the fixed groove is formed on the driving block;
the horizontal driving assembly comprises a lifting block which is vertically and slidably connected to the fixed plate, a driving screw is rotationally connected to the lifting block, the driving screw is in threaded connection with the driving block, and the horizontal driving assembly further comprises a power source which is arranged on the lifting block and is used for driving the driving screw to rotate positively or reversely;
the vertical driving assembly comprises a first rack and a sliding plate which are vertically and slidably connected to the fixed plate, an elastic piece is arranged between the first rack and the fixed plate, a gear is rotatably arranged on the sliding plate, a second rack is slidably connected to the sliding plate, the first rack and the second rack are both meshed with the gear, the vertical driving assembly further comprises a clamping piece which is used for clamping the driving block and the second rack, a sliding groove is vertically formed in the fixed plate, the sliding plate is slidably connected in the sliding groove, the first rack is arranged along the vertical direction of the fixed plate, a guide post is fixed on the fixed plate, a guide groove for the guide post to move is formed in the first rack, the guide post is polygonal and is inserted in the guide groove, the elastic piece is two first springs which are symmetrically arranged, the two first springs are respectively sleeved at the upper end and the lower end of the guide post, and the two ends of the first springs are respectively fixedly connected with the fixed plate and the first rack;
the clamping piece comprises a clamping block which is connected to the driving block in a sliding mode, a clamping groove is formed in the clamping block, a clamping rod which is matched with the clamping groove is fixed on the second rack, a sliding groove is formed in the driving block along the direction of the vertical fixing plate, the clamping block is connected to the sliding groove in a sliding mode, two clamping grooves are symmetrically formed in two ends of the clamping block, and the two clamping grooves are respectively used for clamping the clamping rods on two sides of the fixing plate.
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| CN202310564971.8A CN116474558B (en) | 2023-05-18 | 2023-05-18 | MBR membrane equipment |
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| CN116474558A (en) | 2023-07-25 |
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