CN116059715B - Water treatment filtration equipment for environmental monitoring laboratory - Google Patents
Water treatment filtration equipment for environmental monitoring laboratory Download PDFInfo
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- CN116059715B CN116059715B CN202310332175.1A CN202310332175A CN116059715B CN 116059715 B CN116059715 B CN 116059715B CN 202310332175 A CN202310332175 A CN 202310332175A CN 116059715 B CN116059715 B CN 116059715B
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- cleaning
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- 238000001914 filtration Methods 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 230000007613 environmental effect Effects 0.000 title claims description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 71
- 239000002351 wastewater Substances 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims description 35
- 238000011156 evaluation Methods 0.000 claims description 31
- 238000012545 processing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 8
- 238000007790 scraping Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000000875 corresponding effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000004590 computer program Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 208000034699 Vitreous floaters Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The application discloses water treatment and filtration equipment for an environment monitoring laboratory, which relates to the technical field of water treatment and comprises a filtration shell, wherein a cleaning component and a filtration component are arranged in the filtration shell; the cleaning assembly comprises a vertically arranged cleaning frame, a porous plate is arranged along the width direction of the cleaning frame, and the porous plate can move upwards to the top end of the cleaning frame in a vertical state along the height direction of the cleaning frame and return in a horizontal state; the third filter screen moves along the height direction of the filter frame and is converted from a horizontal state to a vertical state; the edge of the porous plate extends to the surface of the third filter screen, and when the porous plate moves downwards, filter residues on the surface of the third filter screen can be scraped off; a collecting assembly is arranged below the third filter screen close to the cleaning frame; the waste water below the porous plate is extruded, particles or waste in the waste water are adsorbed or fixed, and the filtering efficiency of the third filter screen is improved.
Description
Technical Field
The application relates to the technical field of water treatment, in particular to water treatment and filtration equipment for an environment monitoring laboratory.
Background
Environmental monitoring refers to the activity of an environmental monitoring mechanism for monitoring and measuring environmental quality conditions, and is to determine environmental pollution conditions and environmental quality by monitoring and measuring indexes reflecting environmental quality, wherein the content of the environmental monitoring mainly comprises physical index monitoring, chemical index monitoring and ecological system monitoring.
In a physicochemical laboratory, after sample sampling, analysis and detection, a large amount of laboratory wastewater is generated, and the wastewater may contain a large amount of toxic pollutants and particulate matters, and once the wastewater is discharged into a water body, serious pollution may be generated, so that after wastewater and sewage are generated, the wastewater must be treated.
When the existing water treatment filtering equipment is used for treating wastewater and sewage, the core step is filtering, but a filtering structure, such as a filter screen, filter paper and the like, can generate certain blockage under the condition of long-term use, and a large amount of filter residues also exist on the surface of the filtering structure, so that the efficiency of the filtering equipment on water treatment is finally affected.
To this end, the application provides an environmental monitoring laboratory water treatment filtration device.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the application provides water treatment and filtration equipment for an environment monitoring laboratory, which comprises a filtration shell, wherein a cleaning component and a filtration component are arranged in the filtration shell; the cleaning assembly comprises a vertically arranged cleaning frame, a porous plate is arranged along the width direction of the cleaning frame, and the porous plate can move upwards to the top end of the cleaning frame in a vertical state along the height direction of the cleaning frame and return in a horizontal state; the filter assembly comprises a third filter screen, and the third filter screen moves along the height direction of the filter frame and is converted from a horizontal state to a vertical state; the edge of the porous plate extends to the surface of the third filter screen, and when the porous plate moves downwards, filter residues on the surface of the third filter screen can be scraped off; a collecting assembly is arranged below the third filter screen close to the cleaning frame; the waste water below the porous plate is extruded, particles or waste in the waste water are adsorbed or fixed, the filtering efficiency is improved, and the problem in the background technology is solved.
(II) technical scheme
In order to achieve the above purpose, the application is realized by the following technical scheme: an environmental monitoring laboratory water treatment filtration device comprising: the filter equipment comprises a filter equipment body, wherein the filter equipment body comprises a filter shell, and a water inlet and a water outlet are respectively arranged at the top end and the bottom end of the filter shell; the inside of the filtering shell is hollow, and a cleaning component and a filtering component are oppositely arranged in the filtering shell;
the cleaning assembly comprises a vertically arranged cleaning frame, a porous plate is arranged along the width direction of the cleaning frame, and the porous plate moves upwards to the top end of the cleaning frame in a vertical state and returns in a horizontal state along the height direction of the cleaning frame; the filter assembly comprises a filter frame positioned at one side of the cleaning frame, a third filter screen is arranged at one side of the filter frame, which faces the porous plate, and the third filter screen moves along the height direction of the filter frame and is converted from a horizontal state to a vertical state; the edge of the porous plate extends to the surface of the third filter screen, and when the porous plate moves downwards, filter residues on the surface of the third filter screen are scraped off; a collecting assembly is arranged below the third filter screen close to the cleaning frame; the collecting assembly comprises a collecting shell, a first filter screen and a second filter screen are detachably arranged in the collecting shell, and the aperture of the first filter screen is larger than that of the second filter screen;
the system also comprises a detection unit, a processing unit and a control unit; when the time that the third filter screen is in a horizontal state reaches a preset value, the detection unit detects the residual filter residues on the surface of the third filter screen to form a filter residue detection data set; the filter residue detection data set is sent to a processing unit, and filter residues on the surface of the third filter screen are evaluated to form a filter residue evaluation value Lpz; when the filter residue evaluation value Lpz exceeds the expected value, the control unit is combined with the movement tracks of the porous plate and the third filter screen to form corresponding control instructions, and at least one of the cleaning assembly and the filter assembly is controlled to separate filter residues on the surface of the third filter screen.
As a preferred embodiment, the detection unit includes a machine vision module and a filter residue detection module, where when the third filter screen is in a horizontal state, the machine vision module images the surface of the third filter screen, determines whether there is filter residue on the surface of the third filter screen, if so, the filter residue detection module detects the filter residue on the surface of the third filter screen, and when the coverage area of the surface of the third filter screen is greater than a corresponding threshold value, obtains a coverage area Mj;
acquiring the distribution position and the coverage area Mj of the filter residues on the surface of the third filter screen, judging the influence degree on the filtering function of the third filter screen according to the position and the coverage area of the filter residues, and determining the shielding degree Lzd of the filter residues; and the machine vision module and the filter residue detection module are used for detecting the surface of the third filter screen in a fixed period to obtain a plurality of groups of detection data.
As the preferred embodiment, the filter assembly comprises a filter frame which is vertically arranged, a third filter screen is movably connected to the bottom end of the filter frame through a connecting arm, a transmission part is arranged at the bottom end of the filter frame, a second motor is arranged at the bottom end of the filter frame, and the second motor outputs power to enable the third filter screen to be converted between a vertical state and a horizontal state when moving along the height direction of the filter frame.
As the preferred embodiment, the driving medium includes the ball that is located the interior both sides of filter frame, and ball's outside cooperation is provided with ball nut, and ball nut moves along ball's direction of height, and ball nut's surface is articulated with the upper end of third filter screen, the output of second motor passes through the drive belt and is connected with ball bottom transmission.
As a preferred embodiment, the bottom end of the cleaning frame is provided with a first motor, a linkage piece is arranged between the output end of the first motor and the porous plate, and the output end of the first motor enables the porous plate to move upwards to the top end of the cleaning frame in a vertical state along the height direction of the cleaning frame and return in a horizontal state through the linkage piece; the surface of the porous plate is provided with a plurality of through holes.
As the preferred implementation scheme, the linkage piece includes adjacent first spacing spout and the spacing spout of second of seting up on clearance frame surface, and first spacing spout is shallow mouthful U type, slides in the inside of first spacing spout and is provided with first spacing slider, forms the change when first spacing slider removes the horizontal end of first spacing spout, slides in the inside of the spacing spout of second and is provided with the spacing slider of second.
As a preferred embodiment, the linkage part further comprises a first connecting part coaxially rotating with the output end of the first motor, one end of the first connecting part far away from the first motor is hinged with a second connecting part, and the tail end of the second connecting part far away from the first connecting part extends to the surface of the second limit sliding block and is movably connected with the second limit sliding block; the first limiting slide block is movably connected with the second limiting slide block through a fourth connecting piece, a third connecting piece is fixedly connected with the end part of the fourth connecting piece extending to the surface of the second limiting slide block, and the third connecting piece is detachably and fixedly connected with the porous plate.
As a preferred embodiment, the processing unit includes an analysis module, a threshold module and a judgment module, where the analysis module acquires detection data from the residue detection data set, performs dimensionless processing on the coverage area Mj and the residue shielding degree Lzd, and then obtains a residue evaluation value Lpz in a correlated manner;
the filter residue evaluation value Lpz is obtained according to the following formula:
wherein ,is weight(s)>，/>And->The specific value can be adjusted and set by a user, wherein n is the number of times of statistics of the coverage area Mj and the filter residue shielding degree Lzd;
the calculation formula of the filter residue evaluation value Lpz is as follows:
wherein ,for the middle value of the coverage area +.>And n is a positive integer greater than 1, and is a filter residue shielding degree intermediate value.
As a preferred embodiment, the threshold module includes a threshold comparison policy, where the threshold comparison policy includes: acquiring a filter residue evaluation value Lpz, and comparing the filter residue evaluation value with a corresponding threshold value by a threshold value module, wherein the threshold value module comprises a first threshold value and a second threshold value, and the second threshold value is higher than the first threshold value; when the filter residue evaluation value Lpz is smaller than the first threshold value, a first control instruction is formed by the control unit, the filter assembly is controlled, the third filter screen is inclined to the collecting shell, and the porous plate is in a static state.
As a preferred embodiment, the threshold comparison strategy further comprises: when the filter residue evaluation value Lpz is greater than a second threshold value, emptying the internal waste water of the filter shell, forming a third control instruction by the control unit, controlling the filter assembly and the cleaning assembly to keep the third filter screen in a vertical state, and scraping the surface of the third filter screen by the side edge of the porous plate moving along the surface of the third filter screen; when the filter residue evaluation value Lpz is larger than the first threshold value but smaller than the second threshold value, a second control instruction is formed by the control unit to control the filtering assembly, so that the third filter screen is inclined to the collecting shell, the porous plate moves to the third filter screen in a horizontal state, and the waste water in the filtering shell is extruded.
(III) beneficial effects
The application provides water treatment and filtration equipment for an environment monitoring laboratory, which has the following beneficial effects:
1. when the third filter screen is in a horizontal state, the third filter screen can play a filtering function, when the surface of the third filter screen is in an inclined state, the distance between the edge of the third filter screen and the cleaning frame is kept consistent with the opening of the collecting shell, and under the action of flowing wastewater, filter residues on the surface of the third filter screen flow into the collecting shell, so that the effect of cleaning and recycling the filter residues on the surface of the third filter screen is realized.
2. When the porous plate moves to the third filter screen in a horizontal state, the porous plate plays a role in extrusion on the wastewater below the porous plate, and as a plurality of through holes are formed in the surface of the porous plate, particles or wastes in the wastewater are adsorbed or fixed, so that the filtering efficiency is improved.
3. If the filter residues on the surface of the third filter screen are more, the third filter screen applies pressure on the basis of inclination of the third filter screen, so that the third filter screen is accelerated to be flushed by water flow, and the cleaning efficiency is improved; if the filter residues on the surface of the third filter screen are more, the third filter screen is kept in a vertical state, the edge of the porous plate slides along the surface of the third filter screen, scraping is formed on the surface of the third filter screen, deep cleaning is carried out, and a bristle brush can be arranged at the edge of the porous plate correspondingly, so that the cleaning effect on the third filter screen is improved.
Drawings
FIG. 1 is a schematic elevational view of a water treatment filtration apparatus of the present application;
FIG. 2 is a schematic cross-sectional view of a filter housing of the present application;
FIG. 3 is a schematic side cross-sectional view of a filter assembly of the present application;
FIG. 4 is a schematic view of a cross-sectional front view of a filter assembly of the present application;
FIG. 5 is a schematic cross-sectional view of the collection assembly of the present application;
FIG. 6 is a schematic cross-sectional view of a cleaning assembly of the present application;
FIG. 7 is an enlarged schematic view of the structure A in FIG. 6 according to the present application;
FIG. 8 is a schematic cross-sectional view of the porous plate of the present application;
FIG. 9 is a schematic diagram of the workflow structure of the water treatment filter device of the present application.
In the figure:
10. a filter device body; 11. a filter housing; 12. a water inlet; 13. a water outlet;
20. cleaning the assembly; 21. a cleaning frame; 22. a porous plate; 23. a first motor; 24. a first connector; 25. a second connector; 26. the first limiting chute; 27. the first limiting slide block; 28. the second limiting chute; 29. the second limit sliding block; 210. a third connecting member; 211. a fourth connecting member;
30. a filter assembly; 31. a filter frame; 32. a third filter screen; 33. a connecting arm; 34. a ball screw; 35. a ball nut; 36. a second motor; 37. a transmission belt;
40. a collection assembly; 41. a collection housing; 42. a first filter screen; 43. a second filter screen;
50. a detection unit; 51. a machine vision module; 52. a filter residue detection module; 60. a processing unit; 61. an analysis module; 62. a threshold module; 63. a judging module; 70. and a control unit.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples
Referring to fig. 1-9, the present application provides an environmental monitoring laboratory water treatment filtration apparatus comprising: the filter device comprises a filter device body 10, wherein the filter device body 10 comprises a filter shell 11, and a water inlet 12 and a water outlet 13 are respectively arranged at the top end and the bottom end of the filter shell 11; the inside of the filtering shell 11 is hollow, and a cleaning component 20 and a filtering component 30 are oppositely arranged in the filtering shell 11;
the cleaning assembly 20 comprises a vertically arranged cleaning frame 21, a porous plate 22 is arranged along the width direction of the cleaning frame 21, and the porous plate 22 can move upwards to the top end of the cleaning frame 21 in a vertical state and return in a horizontal state along the height direction of the cleaning frame 21;
the filter assembly 30 comprises a filter frame 31 positioned at one side of the cleaning frame 21, a third filter screen 32 is arranged at one side of the filter frame 31 facing the porous plate 22, and the third filter screen 32 moves along the height direction of the filter frame 31 and is converted from a horizontal state to a vertical state;
the edge of the porous plate 22 extends to the surface of the third filter screen 32, and when the porous plate 22 moves downwards, filter residues on the surface of the third filter screen 32 can be scraped off; a collecting assembly 40 is arranged below the third filter screen 32 close to the cleaning frame 21;
the collecting assembly 40 comprises a collecting shell 41, a first filter screen 42 and a second filter screen 43 are detachably arranged in the collecting shell 41, and the aperture of the first filter screen 42 is larger than that of the second filter screen 43
Also comprises a detection unit 50, a processing unit 60 and a control unit 70;
when the time that the third filter screen 32 is in the horizontal state reaches a preset value, the detection unit 50 detects the residual filter residues on the surface of the third filter screen 32 to form a filter residue detection data set; the filter residue detection data set is sent to the processing unit 60, and filter residues on the surface of the third filter screen 32 are evaluated to form a filter residue evaluation value Lpz; when the evaluation value Lpz of the filter residues exceeds the expected value, the control unit 70 forms corresponding control instructions by combining the movement tracks of the porous plate 22 and the third filter screen 32, and controls at least one of the cleaning assembly 20 and the filter assembly 30 to separate the filter residues on the surface of the third filter screen 32.
Referring to fig. 9, the detecting unit 50 includes a machine vision module 51 and a residue detecting module 52, wherein when the third filter screen 32 is in a horizontal state, the machine vision module 51 images the surface of the third filter screen 32 to determine whether there is residue on the surface of the third filter screen 32, and if so, the residue detecting module 52 detects the residue on the surface of the third filter screen 32, and when the coverage area of the surface of the third filter screen 32 is greater than a corresponding threshold value, a coverage area Mj is obtained;
acquiring the distribution position and the coverage area Mj of the filter residues on the surface of the third filter screen 32, judging the influence degree on the filtering function of the third filter screen 32 according to the position and the coverage area of the filter residues, and determining the shielding degree Lzd of the filter residues;
the machine vision module 51 and the filter residue detection module 52 are used for detecting the surface of the third filter screen 32 in a fixed period to obtain a plurality of groups of detection data;
for example, coverage area、/>、/>Up to->Filter residue shielding degree->、/>、/>Up to->And summarizing to form a filter residue detection data set.
When the filter is used, the machine vision module 51 and the filter residue detection module 52 are matched, and after the third filter screen 32 is used to a certain extent, the third filter screen 32 is detected, so that whether the third filter screen 32 can be used or not is judged, and the judgment is made as a basis.
Referring to fig. 3 and 4, the filter assembly 30 includes a filter frame 31, a third filter screen 32, a connection arm 33, a ball screw 34, a ball nut 35, a second motor 36, and a driving belt 37, wherein,
the filter assembly 30 comprises a filter frame 31 vertically arranged, a third filter screen 32 is movably connected to the bottom end of the filter frame 31 through a connecting arm 33, so that the movement of the third filter screen 32 is limited, a transmission member is arranged at the bottom end of the filter frame 31, a second motor 36 is arranged at the bottom end of the filter frame 31, and the second motor 36 outputs power to enable the third filter screen 32 to be converted between a vertical state and a horizontal state when moving along the height direction of the filter frame 31.
The transmission piece comprises ball screws 34 positioned on two inner sides of the filter frame 31, ball nuts 35 are matched with the outer parts of the ball screws 34, the ball nuts 35 move along the height direction of the ball screws 34, the surfaces of the ball nuts 35 are hinged with the upper ends of the third filter screens 32, and the output ends of the second motors 36 are in transmission connection with the bottom ends of the ball screws 34 through transmission belts 37.
In use, if the third filter screen 32 is in a horizontal state, the third filter screen 32 can perform a filtering function, and when the surface of the third filter screen 32 is in an inclined state, the distance between the edge of the third filter screen 32 and the cleaning frame 21 is kept consistent with the opening of the collecting housing 41, and under the action of flowing wastewater, the filter residues on the surface of the third filter screen 32 flow into the collecting housing 41, so that the cleaning and recycling effects on the filter residues on the surface of the third filter screen 32 are realized, and in this case, the filtering process of the filtering equipment body 10 cannot be stopped.
When the state of the third filter 32 needs to be adjusted, the second motor 36 is started to output power, the second motor 36 rotates the ball screw 34 via the belt 37, and then the height of the third filter 32 is adjusted based on the cooperation of the ball screw 34 and the ball nut 35, so that the third filter 32 is converted between horizontal and vertical in the lifting process based on the limit function of the connecting arm 33.
Referring to fig. 2 and 6 to 8, the cleaning assembly 20 includes a cleaning frame 21, a porous plate 22, a first motor 23, a first connecting piece 24, a second connecting piece 25, a first limiting sliding groove 26, a first limiting sliding block 27, a second limiting sliding groove 28, a second limiting sliding block 29, a third connecting piece 210 and a fourth connecting piece 211, wherein the first motor 23 is arranged at the bottom end of the cleaning frame 21, a linkage piece is arranged between the output end of the first motor 23 and the porous plate 22, and the output end of the first motor 23 enables the porous plate 22 to move upwards to the top end of the cleaning frame 21 in a vertical state along the height direction of the cleaning frame 21 and return in a horizontal state through the linkage piece;
the surface of the porous plate 22 is provided with a plurality of through holes so as to enable water to pass through, when the porous plate 22 moves to the third filter screen 32 in a horizontal state, the extrusion effect is achieved on the waste water below the porous plate 22, on one hand, the porous plate 22 is provided with a plurality of through holes on the surface so as to adsorb or fix particles or wastes in the waste water, and the filtration efficiency is improved, on the other hand, when the waste water is extruded to the third filter screen 32 through the porous plate 22, when certain blockage or shielding exists on the surface of the third filter screen 32, the waste water can be accelerated to pass through the third filter screen 32, and the filtration efficiency of the third filter screen 32 is improved.
Referring to fig. 6 to 8, the linkage member includes a first limit chute 26 and a second limit chute 28 that are adjacently arranged on the surface of the cleaning frame 21, the first limit chute 26 is in a shallow U shape, a first limit slider 27 is slidably arranged in the first limit chute 26, the first limit slider 27 forms an adjustment when moving to the horizontal end of the first limit chute 26, and a second limit slider 29 is slidably arranged in the second limit chute 28;
the linkage piece further comprises a first connecting piece 24 coaxially rotating with the output end of the first motor 23, one end, far away from the first motor 23, of the first connecting piece 24 is hinged with a second connecting piece 25, and the tail end, far away from the first connecting piece 24, of the second connecting piece 25 extends to the surface of a second limit sliding block 29 and is movably connected with the second limit sliding block; the first limit sliding block 27 and the second limit sliding block 29 are movably connected through a fourth connecting piece 211, so that the first limit sliding block 27 and the second limit sliding block 29 are kept consistent in movement, and a connecting effect is achieved; a third connecting piece 210 is fixedly connected to the end part of the fourth connecting piece 211 extending to the surface of the second limit slider 29, and the fourth connecting piece 211 and the third connecting piece 210 keep synchronous movement;
the third connecting member 210 is detachably and fixedly connected with the porous plate 22, and also facilitates the detachment or replacement of the porous plate 22.
When the multi-hole plate 22 is in use, when the state of the multi-hole plate 22 needs to be adjusted, the first motor 23 is started to output power, the first connecting piece 24 and the output end of the first motor 23 synchronously rotate, the first connecting piece 24 drives the second connecting piece 25 to move, and then the first limiting slide block 27 is pushed to slide in the first limiting slide groove 26 through the fourth connecting piece 211, the fourth connecting piece 211 forms a limitation between the first limiting slide block 27 and the second limiting slide block 29, and when the first limiting slide block 27 moves to the horizontal end of the first limiting slide groove 26 and forms rotation, the posture of the multi-hole plate 22 is adjusted, for example, the posture of the multi-hole plate 22 is adjusted between vertical and horizontal.
When the porous plate 22 moves in a vertical state, the waste water in the filtering shell 11 can be stirred similarly, so that the filter residues of the waste water do not generate precipitation, wherein the filter residues comprise floaters and particulate matters in the waste water, so that the filter residues are prevented from blocking the surface of the porous plate 22, and the surface filtering efficiency of the porous plate 22 is maintained; when the porous plate 22 moves in a horizontal state, the wastewater below can be squeezed, and when the filtration efficiency of the surface of the porous plate 22 is lowered, the difficulty of the wastewater passing through the low porous plate 22 is reduced by the water pressure, and the filtration efficiency of the porous plate 22 is maintained.
Referring to fig. 9, the processing unit 60 includes an analysis module 61, a threshold module 62, and a judgment module 63, wherein,
the analysis module 61 acquires detection data from the filter residue detection data set, performs dimensionless processing on the coverage area Mj and the filter residue shielding degree Lzd, and then acquires a filter residue evaluation value Lpz in a correlation manner;
the filter residue evaluation value Lpz is obtained according to the following formula:
wherein ,is weight(s)>，/>And->The specific value can be adjusted and set by a user, wherein n is the number of times of statistics of the coverage area Mj and the filter residue shielding degree Lzd; the calculation formula of the filter residue evaluation value Lpz is as follows:
wherein ,for the middle value of the coverage area +.>Is a filter residue shielding degree intermediate value, and n is a positive integer greater than 1;
the threshold module 62 includes a threshold comparison policy, where the threshold comparison policy includes the following specific details: the filter residue evaluation value Lpz is obtained, the threshold module 62 compares the filter residue evaluation value Lpz with a corresponding threshold value, and if the filter residue evaluation value Lpz exceeds the corresponding threshold value, it can be judged that the filter residue on the surface of the third filter screen 32 will have a certain influence on the filtration of the third filter screen 32, and at this time, the surface of the third filter screen 32 needs to be cleaned; the threshold module 62 includes a first threshold and a second threshold, wherein the second threshold is higher than the first threshold;
when the evaluation value Lpz of the filter residues is smaller than the first threshold value, the amount of the filter residues remained on the surface of the porous plate 22 is not very large, and the control unit 70 forms a first control instruction to control the filter assembly 30 so that the third filter screen 32 is inclined to the collecting housing 41;
and the porous plate 22 is in a static state, so that filter residues on the surface of the third filter screen 32 enter the collecting shell 41 along with the water flow under the action of the water flow, and the cleaning of the third filter screen 32 is completed;
the threshold comparison strategy also comprises the following specific contents:
when the evaluation value Lpz of the filter residues is greater than the second threshold, the amount of the filter residues remaining on the surface of the porous plate 22 is large, the waste water inside the filter housing 11 is emptied, the control unit 70 forms a third control command to control the filter assembly 30 and the cleaning assembly 20, so that the third filter screen 32 is kept in a vertical state, at this time, the side edge of the porous plate 22 in a horizontal state can extend to the surface of the third filter screen 32, and when the porous plate 22 moves downwards in a horizontal posture, the side edge of the porous plate 22 moves along the surface of the third filter screen 32 to scrape the surface of the third filter screen 32.
When the evaluation value Lpz of the filter residues is larger than the first threshold value but smaller than the second threshold value, the control unit 70 forms a second control instruction to control the filter assembly 30, so that the third filter screen 32 is inclined to the collecting shell 41, the porous plate 22 moves to the third filter screen 32 in a horizontal state, the waste water in the filtering shell 11 is extruded, and the scouring of the waste water on the surface of the third filter screen 32 is increased; at this time, when a certain amount of filter residues exist on the surface of the third filter screen 32 due to the inclination of the third filter screen 32, the surface of the third filter screen 32 is cleaned for the first time by the flow of the wastewater, so that the filtering performance of the surface of the third filter screen 32 is maintained;
if the filter residues on the surface of the third filter screen 32 are more, the third filter screen 32 applies pressure on the basis of the inclination of the third filter screen 32, so that the flushing of the third filter screen 32 by water flow is accelerated, and the cleaning efficiency is improved; if more filter residues are formed on the surface of the third filter screen 32, the third filter screen 32 is kept in a vertical state, the edge of the porous plate 22 slides along the surface of the third filter screen 32, scraping is formed on the surface of the third filter screen 32, deep cleaning is performed, and a bristle brush can be arranged at the edge of the porous plate 22 correspondingly, so that the cleaning effect on the third filter screen 32 is improved.
The above embodiments may be implemented in whole or in part by software, hardware, firmware, or any other combination. When implemented in software, the above-described embodiments may be implemented in whole or in part in the form of a computer program product. The computer program product comprises one or more computer instructions or computer programs. Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (6)
1. An environmental monitoring laboratory water treatment filtration device comprising: the filter equipment comprises a filter equipment body (10), wherein the filter equipment body (10) comprises a filter shell (11), and a water inlet (12) and a water outlet (13) are respectively formed in the top end and the bottom end of the filter shell (11); the inside of the filtering shell (11) is hollow, and the filtering shell is characterized in that:
a cleaning component (20) and a filtering component (30) are oppositely arranged in the filtering shell (11);
the cleaning assembly (20) comprises a vertically arranged cleaning frame (21), a porous plate (22) is arranged along the width direction of the cleaning frame (21), and the porous plate (22) can move upwards to the top end of the cleaning frame (21) in a vertical state and return in a horizontal state along the height direction of the cleaning frame (21);
the filter assembly (30) comprises a filter frame (31) positioned at one side of the cleaning frame (21), a third filter screen (32) is arranged at one side of the filter frame (31) facing the porous plate (22), and the third filter screen (32) moves along the height direction of the filter frame (31) and is converted from a horizontal state to a vertical state;
the edge of the porous plate (22) extends to the surface of the third filter screen (32), and when the porous plate (22) moves downwards, filter residues on the surface of the third filter screen (32) are scraped off; a collecting assembly (40) is arranged below the third filter screen (32) close to the cleaning frame (21);
the collecting assembly (40) comprises a collecting shell (41), a first filter screen (42) and a second filter screen (43) are detachably arranged in the collecting shell (41), and the aperture of the first filter screen (42) is larger than that of the second filter screen (43);
the device also comprises a detection unit (50), a processing unit (60) and a control unit (70);
when the time that the third filter screen (32) is in a horizontal state reaches a preset value, the detection unit (50) detects the residual filter residues on the surface of the third filter screen (32) to form a filter residue detection data set; the filter residue detection data set is sent to a processing unit (60), and filter residues on the surface of the third filter screen (32) are evaluated to form a filter residue evaluation value Lpz;
when the filter residue evaluation value Lpz exceeds the expected value, a corresponding control instruction is formed by a control unit (70) by combining the movement track of the porous plate (22) and the movement track of the third filter screen (32), and at least one of the cleaning assembly (20) and the filtering assembly (30) is controlled to separate filter residues on the surface of the third filter screen (32);
the detection unit (50) comprises a machine vision module (51) and a filter residue detection module (52), wherein when the third filter screen (32) is in a horizontal state, the machine vision module (51) images the surface of the third filter screen (32) to judge whether filter residues exist on the surface of the third filter screen (32), if so, the filter residue detection module (52) detects the filter residues on the surface of the third filter screen (32), and when the coverage area of the surface of the third filter screen (32) is larger than a corresponding threshold value, the coverage area Mj is obtained;
acquiring the distribution position and the coverage area Mj of the filter residues on the surface of the third filter screen (32), judging the influence degree on the filtering function of the third filter screen (32) according to the position and the coverage area of the filter residues, and determining the shielding degree Lzd of the filter residues;
the machine vision module (51) and the filter residue detection module (52) are used for detecting the surface of the third filter screen (32) in a fixed period to obtain a plurality of groups of detection data;
the processing unit (60) comprises an analysis module (61), a threshold module (62) and a judgment module (63), wherein,
the analysis module (61) acquires detection data from the filter residue detection data set, and performs dimensionless processing on the coverage area Mj and the filter residue shielding degree Lzd to obtain a filter residue evaluation value Lpz in a correlation manner;
the filter residue evaluation value Lpz is obtained according to the following formula:
；
wherein ,、/>is weight(s)>，/>And->The specific value of which can be adjusted by the userThe whole setting is carried out, wherein n is the number of times of counting the coverage area Mj and the filter residue shielding degree Lzd;
the calculation formula of the filter residue evaluation value Lpz is as follows:
；
wherein ,for the middle value of the coverage area +.>Is a filter residue shielding degree intermediate value, and n is a positive integer greater than 1;
the threshold module (62) includes a threshold comparison strategy therein, the threshold comparison strategy including: acquiring a filter residue evaluation value Lpz, and comparing the filter residue evaluation value with a corresponding threshold value by a threshold value module (62), wherein the threshold value module (62) comprises a first threshold value and a second threshold value, and the second threshold value is higher than the first threshold value;
when the filter residue evaluation value Lpz is smaller than a first threshold value, a first control instruction is formed by the control unit (70), the filter assembly (30) is controlled, the third filter screen (32) is inclined towards the collecting shell (41), and the porous plate (22) is in a static state; the threshold comparison strategy further comprises: when the filter residue evaluation value Lpz is larger than a second threshold value, emptying the internal waste water of the filter shell (11), forming a third control instruction by the control unit (70), controlling the filter assembly (30) and the cleaning assembly (20) to keep the third filter screen (32) in a vertical state, and scraping the surface of the third filter screen (32) by moving the side edge of the porous plate (22) along the surface of the third filter screen (32);
when the filter residue evaluation value Lpz is greater than the first threshold value but less than the second threshold value, a second control command is formed by the control unit (70), the filter assembly (30) is controlled, the third filter screen (32) is inclined to the collecting housing (41), the porous plate (22) moves to the third filter screen (32) in a horizontal state, and the waste water in the filter housing (11) is squeezed.
2. An environmental monitoring laboratory water treatment filtration apparatus according to claim 1 wherein: the filter assembly (30) comprises a filter frame (31) which is vertically arranged, a third filter screen (32) is movably connected to the bottom end of the filter frame (31) through a connecting arm (33), a transmission part is arranged at the bottom end of the filter frame (31), a second motor (36) is arranged at the bottom end of the filter frame (31), and the second motor (36) outputs power to enable the third filter screen (32) to be converted between a vertical state and a horizontal state when moving along the height direction of the filter frame (31).
3. An environmental monitoring laboratory water treatment filtration apparatus according to claim 2 wherein: the transmission piece comprises ball screws (34) positioned on the inner two sides of the filter frame (31), ball nuts (35) are arranged outside the ball screws (34) in a matched mode, the ball nuts (35) move along the height direction of the ball screws (34), the surfaces of the ball nuts (35) are hinged to the upper ends of the third filter screens (32), and the output ends of the second motors (36) are connected with the bottom ends of the ball screws (34) in a transmission mode through transmission belts (37).
4. A water treatment filter apparatus for environmental monitoring laboratories according to claim 3, wherein: the bottom end of the cleaning frame (21) is provided with a first motor (23), a linkage piece is arranged between the output end of the first motor (23) and the porous plate (22), and the output end of the first motor (23) enables the porous plate (22) to move upwards to the top end of the cleaning frame (21) in a vertical state along the height direction of the cleaning frame (21) through the linkage piece and return in a horizontal state; the surface of the porous plate (22) is provided with a plurality of through holes.
5. An environmental monitoring laboratory water treatment filtration apparatus according to claim 4 wherein: the linkage piece comprises a first limit sliding groove (26) and a second limit sliding groove (28) which are adjacently arranged on the surface of the cleaning frame (21), the first limit sliding groove (26) is in a shallow U shape, a first limit sliding block (27) is arranged in the first limit sliding groove (26) in a sliding mode, the first limit sliding block (27) forms turning when moving to the horizontal end of the first limit sliding groove (26), and a second limit sliding block (29) is arranged in the second limit sliding groove (28) in a sliding mode.
6. An environmental monitoring laboratory water treatment filtration apparatus according to claim 5 wherein: the linkage piece further comprises a first connecting piece (24) which coaxially rotates with the output end of the first motor (23), one end, far away from the first motor (23), of the first connecting piece (24) is hinged with a second connecting piece (25), and the tail end, far away from the first connecting piece (24), of the second connecting piece (25) extends to the surface of the second limit sliding block (29) and is movably connected with the second limit sliding block; the first limiting sliding block (27) is movably connected with the second limiting sliding block (29) through a fourth connecting piece (211), a third connecting piece (210) is fixedly connected to the end part of the fourth connecting piece (211) extending to the surface of the second limiting sliding block (29), and the third connecting piece (210) is detachably and fixedly connected with the porous plate (22).
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| CN202310332175.1A CN116059715B (en) | 2023-03-31 | 2023-03-31 | Water treatment filtration equipment for environmental monitoring laboratory |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1433336A (en) * | 2000-02-03 | 2003-07-30 | 萨尔斯内斯过滤器有限公司 | Cleaning device for waste water |
| CN101121083A (en) * | 2007-05-24 | 2008-02-13 | 黑龙江双河松嫩大豆生物工程有限责任公司 | Continuous self-cleaning reverse-pressure over-flow filtering device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1433336A (en) * | 2000-02-03 | 2003-07-30 | 萨尔斯内斯过滤器有限公司 | Cleaning device for waste water |
| CN101121083A (en) * | 2007-05-24 | 2008-02-13 | 黑龙江双河松嫩大豆生物工程有限责任公司 | Continuous self-cleaning reverse-pressure over-flow filtering device |
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