CN115814604B - Filter membrane culture apparatus for water quality detection by filter membrane method - Google Patents
Filter membrane culture apparatus for water quality detection by filter membrane method Download PDFInfo
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- CN115814604B CN115814604B CN202211054268.4A CN202211054268A CN115814604B CN 115814604 B CN115814604 B CN 115814604B CN 202211054268 A CN202211054268 A CN 202211054268A CN 115814604 B CN115814604 B CN 115814604B
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- filter membrane
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- lifting
- quality detection
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- 239000012528 membrane Substances 0.000 title claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 238000011010 flushing procedure Methods 0.000 claims abstract description 35
- 239000007921 spray Substances 0.000 claims abstract description 31
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- 238000009835 boiling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- XTLNYNMNUCLWEZ-UHFFFAOYSA-N ethanol;propan-2-one Chemical compound CCO.CC(C)=O XTLNYNMNUCLWEZ-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000002550 fecal effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a filter membrane culture device for water quality detection by a filter membrane method, which comprises a shell, a grabbing mechanism and a filter tank; the shell is internally provided with an air cylinder, a lifting frame, a guide rail and a transplanting assembly, and the left side of the shell is provided with a flushing pipeline; the lower part of the filter tank is provided with a support frame, the first guide rod penetrates through the support frames and is connected between the support frames in a sliding manner, and the first guide rod is sleeved with a compression spring; the water sample bottle is characterized in that the spray head on the right side of the shell body is connected with the lifting of the filter tank through a second linkage mechanism in a left-right movement manner, and the spray head is connected with the water sample bottle arranged at the upper end of the shell body through a hose. The lifting of the air cylinder and the action of the transplanting device are controlled by the controller, so that manual participation is reduced, pollution to a sample in the experimental process is prevented, the beat is controlled by the controller, and the accuracy is high.
Description
Technical Field
The invention relates to the technical field of microorganism detection, in particular to a filter membrane culture device for water quality detection by a filter membrane method.
Background
The total coliform group has wide distribution, and research and study show that the pollution of human and animal feces mainly from human and warm-blooded animals to the external environment is the main cause of coliform in nature; meanwhile, the total coliform group can be obtained from plants and soil, and can be detected in a water body with rich nutrition, namely under the condition of non-fecal pollution. The method for measuring the total coliform in domestic drinking water and source water by adopting a filter membrane method is a common detection method.
The filter membrane used at present is a colloid membrane made of nitrocellulose, and a microporous membrane formed by evaporating a solvent by using 4% nitrocellulose ethanol acetone solution has a thickness of 0.1mm and a pore diameter of 0.45 mu m. Before use, the filter membrane is placed in a beaker, distilled water is added, and the filter membrane is placed in a boiling water bath for boiling and sterilizing for 3 times, each time for 15min. After the first two boiling steps, water washing is replaced for 2 to 3 times to remove the residual solvent. And then, passing the water sample through a filter membrane, passing a certain amount of the water sample through a filter which is provided with the filter membrane and is sterilized, filtering and drying the water sample by negative pressure, transferring the filter membrane to a discrimination culture medium, and culturing the water sample at 37 ℃ for 24 hours.
However, in the existing inspection process, the following problems exist through manual operation: 1. the time period is too long, manual operation is difficult to accurately control, and 2, manual operation is easy to pollute a water sample and a filter membrane.
Disclosure of Invention
The invention aims to solve the problems and provide a filter membrane culture device for water quality detection by a filter membrane method.
The technical scheme adopted for solving the technical problems is as follows:
a filter membrane culture device for water quality detection by a filter membrane method comprises a shell, a grabbing mechanism for grabbing a filter membrane, a heating tank for heating the filter membrane and a filter tank for filtering a water sample;
The device comprises a shell, a heating tank, a heating mechanism, a lifting frame, a guide rail, a transplanting assembly and a first linkage mechanism, wherein the heating tank is arranged in the shell, the heating tank is positioned above the heating tank, the cylinder is used for driving the grabbing mechanism to lift, the lifting frame is used for bearing the cylinder, the guide rail is arranged on the inner wall of the shell and used for guiding the lifting frame to move along a moving track, the transplanting assembly is used for driving the grabbing mechanism to move left and right, a flushing pipeline for flushing a filter membrane is arranged on the left side of the shell, the flushing pipeline is rotationally connected with the inner wall of the shell, and the rotation of the flushing pipeline is connected with the lifting of the grabbing mechanism through the first linkage mechanism;
the lower part of the filter tank is provided with a first supporting frame, the bottom of the filter tank is provided with a first guide rod, the first guide rod penetrates through the first supporting frame and is in sliding connection with the first supporting frame, a compression spring is sleeved on the first guide rod, the upper end of the compression spring is contacted with the bottom of the filter tank, and the lower end of the compression spring is contacted with the first supporting frame;
the right side of the shell is provided with a spray head which is connected with the shell in a sliding way and used for spraying water samples on the filter membrane, the left-right movement of the spray head is connected with the lifting of the filter tank through a second linkage mechanism, and the spray head is connected with a water sample bottle arranged at the upper end of the shell through a hose.
Further, snatch the mechanism and include the lifter plate and set up the first connecting rod at the lifter plate lower extreme, first connecting rod is equipped with four, and four first connecting rods are located four angles departments of lifter plate respectively, and first connecting rod bottom is equipped with the clamp plate that is used for fixed filter membrane corresponding angle.
Further, the transplanting assembly comprises a movable frame which is in sliding connection with the inner wall of the shell, and second guide rods are arranged at the front end and the rear end of the lifting frame and penetrate through the movable frame and are in sliding connection with the movable frame.
Further, the guide rail comprises a horizontal part at the left end and an arc part with the right end bent downwards, and rollers matched with the guide rail are arranged at two ends of the lifting frame.
Further, a first drainage pipeline is arranged at the bottom of the heating tank, and a first electromagnetic valve is arranged on the first drainage pipeline.
Further, two flushing pipelines are arranged in parallel left and right, and the two flushing pipelines are connected into a whole through a second connecting rod;
the first linkage mechanism comprises sliding blocks, first connecting ropes, first extension springs and second extension springs, wherein the sliding blocks are arranged on the front side and the rear side of the shell and are in sliding connection with the inner wall of the shell, the first connecting ropes are connected with the end parts of the second connecting rods and correspond to the sliding blocks, and the first extension springs are connected with the middle positions of the second connecting rods and the inner wall of the shell.
Further, a second drainage pipeline is arranged at the bottom of the filter tank, and a second electromagnetic valve is arranged on the second drainage pipeline.
Further, a second supporting frame for supporting the spray head is arranged on the right side of the shell, and the second supporting frame is in sliding connection with the inner wall of the shell.
Further, the second linkage mechanism comprises a rotating shaft, a guide wheel arranged on the rotating shaft, and a second connecting rope connected with the filter tank and the second support frame, wherein the rotating shaft is arranged in the shell, the second connecting rope bypasses the guide wheel from bottom to top, and one end of the outer side of the second support frame is connected with the inner wall of the shell through a second extension spring.
The beneficial effects of the invention are as follows:
1. In the invention, during experiments, the filter membrane is fixed through the grabbing mechanism, the grabbing mechanism is driven to lift through the air cylinder, so that the filter membrane enters the heating tank for heating, after heating is finished, the grabbing mechanism ascends, the flushing pipeline rotates from a vertical state to a horizontal state under the action of the first linkage mechanism, the flushing pipeline goes deep into the grabbing mechanism to flush the filter membrane, and after flushing is finished, the air cylinder drives the grabbing mechanism to move downwards, and the sterilization of the filter membrane is completed repeatedly. And then the transplanting assembly drives the grabbing mechanism to move left and right, and simultaneously, under the action of the guide rail, the lifting frame moves rightwards for a certain distance and then moves downwards, the filter tank is pressed downwards, the filter tank overcomes the elasticity of the compression spring and moves downwards, the spray head moves leftwards to the upper part of the filter membrane under the action of the second linkage mechanism, water samples are added into the water sample bottle, and the water samples fall onto the filter membrane from the spray head through the hose to be filtered. The lifting of the air cylinder and the action of the transplanting device are controlled by the controller, so that manual participation is reduced, pollution to a sample in the experimental process is prevented, the beat is controlled by the controller, and the accuracy is high.
2. The first linkage mechanism comprises sliding blocks, first connecting ropes, first extension springs and lifting plates, wherein the sliding blocks are arranged on the front side and the rear side of the shell and are in sliding connection with the inner wall of the shell, the first connecting ropes are connected with the end parts of the second connecting rods and correspond to the sliding blocks, the first extension springs are connected with the middle positions of the second connecting rods and the inner wall of the shell, and the two ends of the lifting plates are matched with the bottoms of the sliding blocks. After the cylinder drive lifter plate descends, under the effect of first extension spring, wash the pipeline and be in vertical position, when cylinder drive lifter plate risees, the slider is promoted at lifter plate both ends and is moved upwards, under the effect of first connecting rope, wash the pipeline and overcome first extension spring's elasticity, rotate to the horizontality, wash the pipeline and go deep into the filter membrane top this moment, wash the pipeline bottom and be equipped with a plurality of shower nozzles, wash the filter membrane. The lifting of the lifting plate and the flushing of the flushing pipeline are realized in a mechanical linkage mode, independent driving is not needed, the cost is reduced, and meanwhile, the mechanical linkage is good in reliability.
3. The second linkage mechanism comprises a rotating shaft rotating in the shell, a guide wheel arranged on the rotating shaft, and a second connecting rope connected with the filter tank and the support frame, wherein the second connecting rope bypasses the guide wheel from bottom to top, and one end of the outer side of the support frame is connected with the inner wall of the shell through a second extension spring. When the filter tank descends, the support frame moves left under the action of the second connecting rope, the spray head moves to the upper part of the filter membrane, and when the filter tank ascends, the spray head moves right under the action of the second tension spring, and the spray head cannot interfere with the filter membrane and the lifting plate. The mechanical linkage mode has good reliability, no need of independent driving and low cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the present invention;
Fig. 3 is a front view of the internal structure of the present invention.
In the figure: the filter cartridge comprises a housing 1, a filter membrane 2, an air cylinder 3, a lifting frame 4, a guide rail 5, a heating tank 6, a filter tank 7, a flushing pipeline 8, a first supporting frame 9, a first guide rod 10, a compression spring 11, a spray head 12, a water sample bottle 13, a lifting plate 14, a first connecting rod 15, a pressing plate 16, a movable frame 17, a second guide rod 18, a first drainage pipeline 19, a first electromagnetic valve 20, a connecting rod 21, a sliding block 22, a first connecting rope 23, a first extension spring 24, a second drainage pipeline 25, a second electromagnetic valve 26, a supporting frame 27, a rotating shaft 28, a second connecting rope 29 and a second extension spring 30.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As shown in fig. 1 and 2, a filter membrane culture device for water quality detection by a filter membrane method comprises a shell 1, a grabbing mechanism for grabbing a filter membrane 2, a heating tank 6 for heating the filter membrane 2 and a filter tank 7 for filtering water samples; the liquid in the heating tank 6 is heated by the electric heating rod, which is the prior art, and will not be repeated here, and the heating tank 6 is supported at the bottom of the casing 1 by the supporting legs.
As shown in fig. 2, a cylinder 3 for driving the grabbing mechanism to lift, a lifting frame 4 for bearing the cylinder 2, a guide rail 5 arranged on the inner wall of the shell 1 and used for guiding the movement track of the lifting frame 4, and a transplanting assembly for driving the grabbing mechanism to move left and right are arranged above the heating tank 6 in the shell 1, a flushing pipeline 8 for flushing the filter membrane 2 is arranged on the left side of the shell 1, the flushing pipeline 8 is rotationally connected with the inner wall of the shell 1, and the rotation of the flushing pipeline 8 is connected with the lifting of the grabbing mechanism through a first linkage mechanism; the cylinder body end of the cylinder 3 is fixed on the lifting frame 4, and the piston rod end of the cylinder 3 is connected with the lifting frame 4.
As shown in fig. 2, a first supporting frame 9 is arranged below the filter tank 7, a first guide rod 10 is arranged at the bottom of the filter tank 7, four first guide rods 10 are arranged at four corners of the bottom of the filter tank 7, the first guide rods 10 penetrate through the first supporting frame 9 and are in sliding connection with the first supporting frame 9, a compression spring 11 is sleeved on the first guide rods 10, the upper ends of the compression springs 11 are in contact with the bottom of the filter tank 7, the lower ends of the compression springs 11 are in contact with the first supporting frame 9, sleeves are arranged at positions, corresponding to the first guide rods 10, on the first supporting frame 9, the lower ends of the first guide rods 10 penetrate through the sleeves and are in sliding connection with the sleeves, a baffle is arranged at the lower ends of the first guide rods 10 and plays a limiting role to prevent the first guide rods 10 from being separated from the sleeves.
As shown in fig. 2, a spray head 12 which is slidably connected with the casing 1 and is used for spraying water sample on the filter membrane 2 is arranged on the right side of the casing 1, the left-right movement of the spray head 12 is connected with the lifting of the filter tank 7 through a second linkage mechanism, and the spray head 12 is connected with a water sample bottle 13 arranged at the upper end of the casing 1 through a hose.
During the experiment, will be through snatching the fixed filter membrane of mechanism to snatch the mechanism through the cylinder drive and go up and down, make the filter membrane enter into the heating tank in and heat, after the heating is accomplished, snatch the mechanism and rise, under first linkage's effect, wash the pipeline and rotate to the horizontality from vertical state, wash the pipeline and go deep into snatch the mechanism and wash the filter membrane, wash after accomplishing, the cylinder drive snatchs the mechanism and moves down, repeated many times, accomplish the disinfection to the filter membrane. Then the transplanting assembly drives the grabbing mechanism to move left and right, and simultaneously, under the action of the guide rail 5, the lifting frame 4 moves rightwards for a certain distance and then moves downwards, the filter tank 7 is pressed downwards, the filter tank 7 overcomes the elasticity of the compression spring 11 and moves downwards, the spray head 12 moves leftwards to the upper part of the filter membrane 2 under the action of the second linkage mechanism, water samples are added into the water sample bottle 13, and the water samples fall onto the filter membrane 2 from the spray head through the hose for filtration. The lifting of the air cylinder and the action of the transplanting device are controlled by the controller, so that manual participation is reduced, pollution to a sample in the experimental process is prevented, the beat is controlled by the controller, and the accuracy is high.
The lifting of the grabbing mechanism is guided by the guide rail 5, so that the defect of insufficient travel of the air cylinder 2 is overcome.
As shown in fig. 3, the grabbing mechanism includes a lifting plate 14 and a first connecting rod 15 disposed at the lower end of the lifting plate 14, the first connecting rod 15 is provided with four, the four first connecting rods 15 are respectively located at four corners of the lifting plate 14, a pressing plate 16 for fixing the corresponding corner of the filter membrane 2 is disposed at the bottom of the first connecting rod 15, a connecting plate is disposed at the bottom of the first connecting rod 15, a threaded rod is disposed on the pressing plate 16, the upper end of the threaded rod penetrates through the connecting plate and is fixed through nuts, the four corners of the filter membrane 2 are respectively fixed through the pressing plate, the filter membrane 2 is completely opened, and accordingly the opening fixation of the filter membrane is achieved.
As shown in fig. 2, the transplanting assembly includes a moving frame 17 slidably connected with the inner wall of the casing 1 through a guide rail slider pair, the moving frame 17 is driven by a motor screw, not shown in the drawing, both ends of the screw are rotatably connected with the inner walls of both sides of the casing 1 through bearings, a motor for driving the screw to rotate is arranged outside the casing 1, and the moving frame 17 is driven to move through the motor screw, and meanwhile, a sprocket chain or a belt pulley driving mode can be adopted, which is easily thought by those skilled in the art, and will not be repeated herein. The front end and the rear end of the lifting frame 4 are respectively provided with a second guide rod 18, the second guide rods 18 penetrate through the movable frame 17 and are in sliding connection with the movable frame 17, and in the lifting process of the lifting frame 4, the second guide rods 18 play a guide role.
As shown in fig. 3, the guide rail 5 includes a horizontal portion at the left end and an arc portion at the right end that is bent downward, rollers matched with the guide rail 5 are disposed at two ends of the lifting frame 4, when the moving frame 17 moves to the arc portion, under the action of the arc portion and the rollers, the lifting frame 4 drives the air cylinder 3 and the grabbing mechanism to move downward simultaneously, no special driving mechanism is needed for driving, cost is reduced, and the mechanical linkage mode is good in reliability.
As shown in fig. 2, a first drainage pipeline 19 is arranged at the bottom of the heating tank 6, a first electromagnetic valve 20 is arranged on the first drainage pipeline 19, after the filter membrane 2 completes one-time heating sterilization, the first electromagnetic valve 20 is opened, and hot water in the heating tank 6 is discharged through the first drainage pipeline 19, so that the water in the heating tank 6 is convenient to replace.
As shown in fig. 2, two flushing pipelines 8 are arranged in parallel left and right, the two flushing pipelines 8 are connected into a whole through a connecting rod 21, the flushing pipelines 8 are rotationally connected with the inner wall of the shell 1 through a rotating shaft, the rotating shaft is fixedly connected with the flushing pipelines 8, the two flushing pipelines 8 are arranged, the filter membrane 2 is guaranteed to be flushed completely, and the flushing pipelines 8 are externally connected with a water source through a water pipe;
As shown in fig. 3, the first linkage mechanism includes a slider 22, a first connecting rope 23, a first tension spring 24, and two ends of the lifting plate 14 are matched with the bottom of the slider 22, wherein the slider 22 is arranged on the front side and the rear side of the housing 1 and is slidably connected with the inner wall of the housing 1, the end of the connecting rod 21 and the first connecting rope 23 are corresponding to the slider 22, the middle position of the connecting rod 21 and the first tension spring 24 are corresponding to the inner wall of the housing 1.
After the lifting plate 14 is driven to descend by the air cylinder 3, the flushing pipeline 8 is in a vertical position under the action of the first tension spring 24, when the lifting plate 14 is driven to ascend by the air cylinder 3, the sliding blocks 22 are pushed to move upwards by the two ends of the lifting plate 14, the flushing pipeline 8 overcomes the elastic force of the first tension spring 24 and rotates to be in a horizontal state under the action of the first connecting rope 23, the flushing pipeline 8 penetrates into the upper side of the filter membrane 2 at the moment, and a plurality of spray heads are arranged at the bottom of the flushing pipeline 8 to flush the filter membrane 2. The lifting of the lifting plate 14 and the flushing of the flushing pipeline 8 are realized in a mechanical linkage mode, independent driving is not needed, the cost is reduced, and meanwhile, the mechanical linkage is realized, and the reliability is good.
As shown in fig. 2, a second drainage pipeline 25 is arranged at the bottom of the filter tank 7, a second electromagnetic valve 26 is arranged on the second drainage pipeline 25, and the water sample is filtered by the filter membrane 2 and then is discharged through the second drainage pipeline 25.
As shown in fig. 2, the right side of the housing 1 is provided with a supporting frame 27 for supporting the spray head 12, the supporting frame 27 is slidably connected with the inner wall of the housing 1, the spray head 12 is fixed at one end of the inner side of the supporting frame 27, rollers are arranged at two ends of the supporting frame 27, guide rails matched with the rollers are arranged on the inner wall of the housing 1, the spray head 12 is a disc-shaped spray head, and a plurality of spray nozzles are arranged at the lower end of the spray head, so that water samples are sprayed more uniformly.
As shown in fig. 3, the second linkage mechanism comprises a rotating shaft 28 rotating in the shell 1, a guide wheel arranged on the rotating shaft 28, and a second connecting rope 29 connecting the filter tank 7 and the support frame 27, wherein the second connecting rope 29 bypasses the guide wheel from bottom to top, and one end outside the support frame 27 is connected with the inner wall of the shell 1 through a second tension spring 30.
When the filter tank 7 descends, the supporting frame 27 moves left under the action of the second connecting rope 29, the spray head 12 moves to the upper side of the filter membrane 2, and when the filter tank 7 ascends, the spray head moves right under the action of the second tension spring 30, and the spray head cannot interfere with the filter membrane and the lifting plate 14. The mechanical linkage mode has good reliability, no need of independent driving and low cost.
In describing the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "left", "right", "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the two components can be connected mechanically or electrically, can be connected directly or indirectly through an intermediate medium, and can be communicated inside the two components. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Claims (9)
1. The filter membrane culture device for the water quality detection of the filter membrane method is characterized by comprising a shell (1), a grabbing mechanism for grabbing the filter membrane (2), a heating tank (6) for heating the filter membrane (2) and a filter tank (7) for filtering a water sample;
The device is characterized in that a cylinder (3) for driving the grabbing mechanism to lift, a lifting frame (4) for bearing the cylinder (2), a guide rail (5) arranged on the inner wall of the shell (1) and used for guiding the movement track of the lifting frame (4) and a transplanting assembly used for driving the grabbing mechanism to move left and right are arranged above the heating tank (6) in the shell (1), a flushing pipeline (8) for flushing the filter membrane (2) is arranged on the left side of the shell (1), the flushing pipeline (8) is rotationally connected with the inner wall of the shell (1), and the rotation of the flushing pipeline (8) is connected with the lifting of the grabbing mechanism through a first linkage mechanism;
A first supporting frame (9) is arranged below the filter tank (7), a guide rod (10) is arranged at the bottom of the filter tank (7), the guide rod (10) penetrates through the first supporting frame (9) and is in sliding connection with the first supporting frame (9), a compression spring (11) is sleeved on the guide rod (10), the upper end of the compression spring (11) is in contact with the bottom of the filter tank (7), and the lower end of the compression spring (11) is in contact with the first supporting frame (9);
The water sample spraying device is characterized in that a spray head (12) which is connected with the shell (1) in a sliding manner and used for spraying water samples on the filter membrane (2) is arranged on the right side of the shell (1), the left-right movement of the spray head (12) is connected with the lifting of the filter tank (7) through a second linkage mechanism, and the spray head (12) is connected with a water sample bottle (13) arranged at the upper end of the shell (1) through a hose.
2. The filter membrane culture device for water quality detection by a filter membrane method according to claim 1, wherein the grabbing mechanism comprises a lifting plate (14) and first connecting rods (15) arranged at the lower end of the lifting plate (14), the number of the first connecting rods (15) is four, the four first connecting rods (15) are respectively positioned at four corners of the lifting plate (14), and pressing plates (16) used for fixing corresponding corners of the filter membrane (2) are arranged at the bottoms of the first connecting rods (15).
3. The filter membrane culture device for water quality detection by a filter membrane method according to claim 1, wherein the transplanting assembly comprises a movable frame (17) which is in sliding connection with the inner wall of the shell (1), second guide rods (18) are arranged at the front end and the rear end of the lifting frame (4), and the second guide rods (18) penetrate through the movable frame (17) and are in sliding connection with the movable frame (17).
4. The filter membrane culture device for water quality detection by a filter membrane method according to claim 1, wherein the guide rail (5) comprises a horizontal part at the left end and an arc part with the right end bent downwards, and rollers matched with the guide rail (5) are arranged at two ends of the lifting frame (4).
5. The filter membrane culture device for water quality detection by a filter membrane method according to claim 1, wherein a first drainage pipeline (19) is arranged at the bottom of the heating tank (6), and a first electromagnetic valve (20) is arranged on the first drainage pipeline (19).
6. The filter membrane culture device for water quality detection by a filter membrane method according to claim 1, wherein two flushing pipelines (8) are arranged in parallel left and right, and the two flushing pipelines (8) are connected into a whole through a second connecting rod (21);
The first linkage mechanism comprises sliding blocks (22) which are arranged on the front side and the rear side of the shell (1) and are in sliding connection with the inner wall of the shell (1), first connecting ropes (23) which are connected with the end parts of the second connecting rods (21) and correspond to the sliding blocks (22), and first extension springs (24) which are connected with the middle positions of the second connecting rods (21) and the inner wall of the shell (1).
7. The filter membrane culture device for water quality detection by a filter membrane method according to claim 1, wherein a second drainage pipeline (25) is arranged at the bottom of the filter tank (7), and a second electromagnetic valve (26) is arranged on the second drainage pipeline (25).
8. The filter membrane culture device for water quality detection by a filter membrane method according to claim 1, wherein a second support frame (27) for supporting the spray head (12) is arranged on the right side of the shell (1), and the second support frame (27) is in sliding connection with the inner wall of the shell (1).
9. The filter membrane culture device for water quality detection by a filter membrane method according to claim 8, wherein the second linkage mechanism comprises a rotating shaft (28) rotating in the shell (1), a guide wheel arranged on the rotating shaft (28), and a second connecting rope (29) for connecting the filter tank (7) and the second support frame (27), the second connecting rope (29) bypasses the guide wheel from bottom to top, and one end of the outer side of the second support frame (27) is connected with the inner wall of the shell (1) through a second extension spring (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211054268.4A CN115814604B (en) | 2022-08-31 | 2022-08-31 | Filter membrane culture apparatus for water quality detection by filter membrane method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211054268.4A CN115814604B (en) | 2022-08-31 | 2022-08-31 | Filter membrane culture apparatus for water quality detection by filter membrane method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115814604A CN115814604A (en) | 2023-03-21 |
| CN115814604B true CN115814604B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211054268.4A Active CN115814604B (en) | 2022-08-31 | 2022-08-31 | Filter membrane culture apparatus for water quality detection by filter membrane method |
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