CN115814604A - 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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- CN115814604A CN115814604A CN202211054268.4A CN202211054268A CN115814604A CN 115814604 A CN115814604 A CN 115814604A CN 202211054268 A CN202211054268 A CN 202211054268A CN 115814604 A CN115814604 A CN 115814604A
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- water quality
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- 239000012528 membrane Substances 0.000 title claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 238000011010 flushing procedure Methods 0.000 claims abstract description 36
- 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 23
- 239000007921 spray Substances 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 10
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 2
- 241000220317 Rosa Species 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 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
- 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
- 239000001963 growth medium Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000813 microbial effect Effects 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
- 238000011160 research Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- 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, wherein the grabbing mechanism is arranged on the shell; the air cylinder, the lifting frame, the guide rail and the transplanting assembly are arranged in the shell, and a flushing pipeline is arranged on the left side of the shell; a support frame is arranged below the filter tank, the first guide rod penetrates through the support frame and is in sliding connection with the support frame, and a compression spring is sleeved on the first guide rod; the shower nozzle on the right side of the shell, the shower nozzle moves left and right and is connected with the filter tank through a second linkage mechanism, and the shower nozzle is connected with a water sample bottle arranged at the upper end of the shell through a hose. The lift of cylinder and transplanting device's action are controlled through the controller, reduce artificial participation, prevent to pollute the sample among the experimentation, and controller control beat, the degree of accuracy is high.
Description
Technical Field
The invention relates to the technical field of microbial detection, in particular to a filter membrane culture device for water quality detection by a filter membrane method.
Background
The total coliform group is widely distributed, and investigation researches show that the total coliform group mainly comes from human and warm-blooded animal feces, and the pollution of the human and animal feces to the external environment is the main reason of the existence of the coliform group in the nature; meanwhile, the total coliform group can also come from plants and soil and can be detected in water with rich nutrition, namely, under the condition of non-fecal pollution, the total coliform group also has the possibility of detection. The method for measuring total coliform in drinking water and source water is a common detection method by adopting a filter membrane method.
The currently used filter membrane is a colloidal membrane made of nitrocellulose, and a microporous adhesive membrane formed by evaporating a solvent by using a 4% nitrocellulose ethanol acetone solution is 0.1mm in thickness and 0.45 μm in pore diameter. Before use, the filter membrane is placed in a beaker, added with distilled water, and placed in a boiling water bath to be boiled and sterilized for 3 times, each time for 15min. After the first two times of boiling, the water is required to be replaced and washed for 2 to 3 times to remove the residual solvent. Then the water sample is passed through a filter membrane, a certain quantity of water sample is passed through a sterilized filter equipped with filter membrane, after the water sample is filtered by negative pressure, the filter membrane is transferred on an identification culture medium, and the water sample is cultured for 24h at 37 deg.C.
However, the existing inspection process is operated manually, and the following problems exist: 1. the time period is too long, the manual operation is difficult to accurately control, and 2, the manual operation easily pollutes a water sample and a filter membrane.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a filter culture apparatus for water quality detection by a filter method.
The technical scheme adopted by the invention 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;
a cylinder for driving the grabbing mechanism to ascend and descend, a lifting frame for bearing the cylinder, a guide rail arranged on the inner wall of the shell and used for guiding the moving track of the lifting frame and a transplanting assembly for driving the grabbing mechanism to move left and right are arranged above the heating groove in the shell, a flushing pipeline for flushing a filter membrane is arranged on the left side of the shell and rotatably connected with the inner wall of the shell, and the rotation of the flushing pipeline is connected with the ascending and descending of the grabbing mechanism through a first linkage mechanism;
a support frame is arranged below the filter tank, a first guide rod is arranged at the bottom of the filter tank, the first guide rod penetrates through the support frame and is in sliding connection with the support frame, a compression spring is sleeved on the first guide rod, the upper end of the compression spring is in contact with the bottom of the filter tank, and the lower end of the compression spring is in contact with the support frame;
the filter membrane water sample filtering device is characterized in that a spray head which is connected with the shell in a sliding mode and used for spraying a water sample onto the filter membrane is arranged on the right side of the shell, the spray head moves left and right and is connected with 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 connecting rod at the lifter plate lower extreme, the connecting rod is equipped with four, and four connecting rods are located four angles departments of lifter plate respectively, and the connecting rod bottom is equipped with the clamp plate that is used for fixed filter membrane to correspond the angle.
Further, transplant subassembly include with shells inner wall sliding connection's removal frame, both ends all are equipped with the second guide bar around the crane, the second guide bar pass remove the frame and with remove between the frame sliding connection.
Further, the guide rail comprises a horizontal part at the left end and an arc-shaped part with the right end bent downwards, and rollers matched with the guide rail are arranged at the 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.
Furthermore, the left flushing pipeline and the right flushing pipeline are arranged in parallel, and the two flushing pipelines are connected into a whole through a connecting rod;
the first linkage mechanism comprises sliding blocks, a first connecting rope, a first extension spring and a second extension spring, 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 rope is connected with the end portions of the connecting rods and corresponds to the sliding blocks, and the first extension spring is connected with the middle positions of the connecting rods and the inner wall of the shell.
Furthermore, the bottom of the filter tank is provided with a second water drainage pipeline, and a second electromagnetic valve is arranged on the second water drainage pipeline.
Furthermore, a support frame for supporting the spray head is arranged on the right side of the shell and is in sliding connection with the inner wall of the shell.
Further, 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, 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.
The invention has the beneficial effects that:
1. in the experiment, the filter membrane is fixed by the grabbing mechanism, the grabbing mechanism is driven to lift by the air cylinder so as to enter the heating tank for heating, the grabbing mechanism rises after heating is finished, the flushing pipeline rotates from a vertical state to a horizontal state under the action of the first linkage mechanism and 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 for repeating for multiple times so as to finish disinfection of the filter membrane. Then transplant subassembly drive and snatch the mechanism and remove about, simultaneously here, under the effect of guide rail, the crane moves down after moving a distance to the right side to pushing down the filter-tank, the filter-tank overcomes compression spring's elasticity and moves down, and under the effect of second link gear, the shower nozzle moves to the filter membrane top left side, adds the water sample to the water sample bottle, and the water sample falls into on the filter membrane through the hose from the shower nozzle and filters. The lift of cylinder and transplanting device's action are controlled through the controller, reduce artificial participation, prevent to pollute the sample among the experimentation, and controller control beat, the degree of accuracy is high.
2. The first linkage mechanism comprises sliding blocks which 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, a first connecting rope which is connected with the end part of the connecting rod and corresponds to the sliding blocks, and a first extension spring which is connected with the middle position of the connecting rod and the inner wall of the shell, wherein two ends of the lifting plate are matched with the bottoms of the sliding blocks. After cylinder drive lifter plate descends, under first extension spring's effect, the flushing line is in vertical position, and when cylinder drive lifter plate rose, the lifter plate both ends promoted the slider and shifted up, and under the effect of first connecting rope, the flushing line overcome first extension spring's elasticity, rotates for the horizontality, and the flushing line deepened the filter membrane top this moment, and the flushing line bottom is equipped with a plurality of shower nozzles, washes 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 reliability is good due to mechanical linkage.
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 connecting 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 leftwards under the action of the second connecting rope, the spray head moves to the upper side of the filter membrane, when the filter tank ascends, the spray head moves rightwards under the action of the second extension spring, and the spray head cannot interfere with the filter membrane and the lifting plate. The mechanical linkage mode has good reliability, does not need independent drive and has low cost.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view 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 device comprises a shell 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 support 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 connecting rod 15, a pressing plate 16, a moving 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 support frame 27, a rotating shaft 28, a second connecting rope 29 and a second extension spring 30.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, a filter membrane culture apparatus for water quality detection by a filter membrane method comprises a housing 1, a gripping mechanism for gripping a filter membrane 2, a heating tank 6 for heating the filter membrane 2, and a filtering tank 7 for filtering a water sample; the liquid in the heating groove 6 is heated by an electric heating rod, which is the prior art and is not described herein, and the heating groove 6 is supported at the bottom of the shell 1 by supporting legs.
As shown in fig. 2, a cylinder 3 for driving the grabbing mechanism to ascend and descend, a lifting frame 4 for bearing the cylinder 2, a guide rail 5 arranged on the inner wall of the shell 1 for guiding the moving track of the lifting frame 4, and a transplanting assembly for driving the grabbing mechanism to move left and right are arranged above a heating groove 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 rotatably connected with the inner wall of the shell 1, and the rotation of the flushing pipeline 8 is connected with the ascending and descending 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, filter tank 7 below is equipped with support frame 9, and filter tank 7 bottom is equipped with first guide bar 10, first guide bar 10 is equipped with four, and four first guide bar 10 are located four angle departments in filter tank 7 bottom respectively, first guide bar 10 passes support frame 9 and sliding connection between support frame 9, and the cover is equipped with compression spring 11 on first guide bar 10, the contact of compression spring 11 upper end and filter tank 7 bottom, 11 lower extremes of compression spring and the contact of support frame 9, the position that corresponds with first guide bar 10 on the support frame 9 is equipped with the sleeve, and first guide bar 10 lower extreme passes the sleeve and sliding connection between the sleeve, and first guide bar 10 lower extreme is equipped with the baffle, and the baffle plays limiting displacement, prevents first guide bar 10 and sleeve separation.
As shown in fig. 2, a spray head 12 connected with the casing 1 in a sliding manner and used for spraying a water sample onto the filter membrane 2 is arranged on the right side of the casing 1, the spray head 12 moves left and right and is connected with 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 heat in entering into the heating bath, after the heating is accomplished, snatch the mechanism and rise, under first link gear's effect, the flushing line rotates the horizontality from vertical state, and the flushing line is gone deep into and is snatched the mechanism and wash away the filter membrane, washes the completion back, and the cylinder drive snatchs the mechanism and moves down, and is repeated many times, accomplishes the disinfection to the filter membrane. Then transplant subassembly drive and snatch the mechanism and remove about, simultaneously, under the effect of guide rail 5, the crane 4 moves down after a distance to the right side to filter tank 7 is pushed down, filter tank 7 overcomes the elasticity of compression spring 11 and moves down, and under the effect of second link gear, shower nozzle 12 moves to the left side above filter membrane 2, adds the water sample to water sample bottle 13, and the water sample falls into on filter membrane 2 through the hose from the shower nozzle and filters. The action of the lifting of the air cylinder and the action of the transplanting device are controlled by the controller, so that the manual participation is reduced, the pollution to the 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 that the stroke of the cylinder 2 is insufficient is overcome.
As shown in fig. 3, the grabbing mechanism comprises a lifting plate 14 and four connecting rods 15 arranged at the lower end of the lifting plate 14, the four connecting rods 15 are respectively located at four corners of the lifting plate 14, a pressing plate 16 used for fixing corresponding corners of the filter membrane 2 is arranged at the bottom of each connecting rod 15, a connecting plate is arranged at the bottom of each connecting rod 15, a threaded rod is arranged on each pressing plate 16, the upper end of each threaded rod penetrates through the connecting plate and is fixed through a nut, the four corners of the filter membrane 2 are respectively fixed through the pressing plates, the filter membrane 2 is completely opened, and therefore the opening and fixing of the filter membrane are achieved.
As shown in fig. 2, the transplanting assembly includes a moving frame 17 slidably connected to the inner wall of the housing 1 through a rail-slider pair, the moving frame 17 is driven by a motor screw, not shown, both ends of the screw are rotatably connected to the inner walls of both sides of the housing 1 through bearings, a motor for driving the screw to rotate is disposed outside the housing 1, the moving frame 17 is driven to move by the motor screw, and meanwhile, a sprocket chain or a pulley driving mode can be adopted, which is easily thought by those skilled in the art and is not described herein in detail. 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 the second guide rods 18 play a role in guiding in the lifting process of the lifting frame 4.
As shown in fig. 3, the guide rail 5 includes the horizontal part of left end and the arc portion of right-hand member downwarping, and crane 4 both ends are equipped with the gyro wheel with guide rail 5 complex, and when removing frame 17 and remove the arc portion, under the effect of arc portion and gyro wheel, crane 4 drives cylinder 3 and snatchs the mechanism and moves down simultaneously, does not need special actuating mechanism drive, the cost is reduced, mechanical linkage's mode, good 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 heating disinfection, 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 side by side on the left and right, the two flushing pipelines 8 are connected into a whole through a connecting rod 21, the flushing pipelines 8 are rotatably 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 to ensure that the filter membrane 2 is flushed completely, and the flushing pipelines 8 are externally connected with a water source through water pipes;
as shown in fig. 3, the first linkage mechanism includes a slider 22 disposed at the front and rear sides of the casing 1 and slidably connected to the inner wall of the casing 1, a first connecting rope 23 connecting the end of the connecting rod 21 and corresponding to the slider 22, and a first tension spring 24 connecting the middle of the connecting rod 21 and the inner wall of the casing 1, and two ends of the lifting plate 14 are engaged with the bottom of the slider 22.
After cylinder 3 drive lifter plate 14 descends, under the effect of first extension spring 24, wash pipe 8 is in vertical position, when cylinder 3 drive lifter plate 14 rose, lifter plate 14 both ends promoted slider 22 and moved up, under the effect of first connecting rope 23, wash pipe 8 overcomes first extension spring 24's elasticity, rotates for the horizontality, and wash pipe 8 deepens the filter membrane 2 top this moment, and wash pipe 8 bottom is equipped with a plurality of shower nozzles, washes 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 reliability is good due to mechanical linkage.
As shown in fig. 2, a second drainage pipeline 25 is arranged at the bottom of the filtering 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 discharged through the second drainage pipeline 25.
As shown in fig. 2, casing 1 right side is equipped with support frame 27 that is used for supporting shower nozzle 12, support frame 27 and 1 inner wall sliding connection of casing, shower nozzle 12 are fixed in the inboard one end of support frame 27, and support frame 27 both ends are equipped with the gyro wheel, be equipped with on the casing 1 inner wall with gyro wheel complex guide rail, shower nozzle 12 is the disc shower nozzle, and the lower extreme is equipped with a plurality of nozzle for the water sample sprays more evenly.
As shown in fig. 3, the second linkage mechanism includes a rotating shaft 28 rotating in the housing 1, a guide wheel disposed on the rotating shaft 28, and a second connecting rope 29 connecting the filter tank 7 and the support frame 27, the second connecting rope 29 passes around the guide wheel from bottom to top, and one end of the outer side of the support frame 27 is connected to the inner wall of the housing 1 through a second extension spring 30.
When the filter tank 7 descends, the support frame 27 moves to the left under the action of the second connecting rope 29, the spray head 12 moves to the upper part of the filter membrane 2, and when the filter tank 7 ascends, the spray head moves to the right under the action of the second extension spring 30, so that the spray head does not interfere with the filter membrane and the lifting plate 14. The mechanical linkage mode has good reliability, does not need separate driving and has low cost.
In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (9)
1. A filter membrane culture device for water quality detection by a filter membrane method is characterized by comprising a shell (1), a grabbing mechanism for grabbing a filter membrane (2), a heating tank (6) for heating the filter membrane (2) and a filtering tank (7) for filtering a water sample;
a cylinder (3) for driving the grabbing mechanism to ascend and descend, 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 moving 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 groove (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 rotatably connected with the inner wall of the shell (1), and the rotation of the flushing pipeline (8) is connected with the ascending and descending of the grabbing mechanism through a first linkage mechanism;
a support 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 support frame (9) and is in sliding connection with the support 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 support frame (9);
casing (1) right side be equipped with casing (1) between sliding connection be used for to the shower nozzle (12) of spraying the water sample on filter membrane (2), control of shower nozzle (12) and be connected through second link gear with the lift of filter-tank (7), shower nozzle (12) are through hose connection setting water sample bottle (13) in casing (1) upper end.
2. The filter membrane culture device for filter membrane method water quality detection according to claim 1, wherein the grabbing mechanism comprises a lifting plate (14) and four connecting rods (15) arranged at the lower end of the lifting plate (14), the four connecting rods (15) are arranged, the four connecting rods (15) are respectively positioned at four corners of the lifting plate (14), and a pressing plate (16) for fixing the corresponding corner of the filter membrane (2) is arranged at the bottom of each connecting rod (15).
3. The filter membrane culture device for filter membrane method water quality detection as claimed in claim 1, wherein the transplanting assembly comprises a moving frame (17) slidably connected with the inner wall of the shell (1), the front end and the rear end of the lifting frame (4) are respectively provided with a second guide rod (18), and the second guide rods (18) penetrate through the moving frame (17) and are slidably connected with the moving frame (17).
4. The filter membrane culture apparatus for filter membrane method water quality inspection as claimed in claim 1, wherein the guide rail (5) comprises a horizontal portion at the left end and an arc portion at the right end bent downward, and rollers fitted with the guide rail (5) are provided at both ends of the crane (4).
5. The filter membrane culture device for filter membrane method water quality detection according to claim 1, wherein a first drain pipe (19) is arranged at the bottom of the heating tank (6), and a first electromagnetic valve (20) is arranged on the first drain pipe (19).
6. The filter membrane culture device for filter membrane method water quality detection according to claim 1, wherein two flushing pipes (8) are arranged side by side on the left and right, and the two flushing pipes (8) are connected into a whole through a 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), a first connecting rope (23) which is connected with the end part of the connecting rod (21) and corresponds to the sliding blocks (22), and a first extension spring (24) which is connected with the middle position of the connecting rod (21) and the inner wall of the shell (1).
7. The filter membrane culture apparatus for filter membrane method water quality inspection as recited in claim 1, wherein a second drain pipe (25) is provided at a bottom of the filter tank (7), and a second electromagnetic valve (26) is provided on the second drain pipe (25).
8. The filter membrane culture device for filter membrane method water quality detection according to claim 1, wherein a support frame (27) for supporting the spray head (12) is arranged on the right side of the housing (1), and the support frame (27) is slidably connected with the inner wall of the housing (1).
9. The filter membrane culture apparatus for filter membrane method water quality inspection as recited in claim 8, wherein the second linkage mechanism comprises a rotation shaft (28) rotating in the housing (1), a guide wheel provided on the rotation shaft (28), and a second connection rope (29) connecting the filter tank (7) and the support frame (27), the second connection rope (29) is passed around the guide wheel from bottom to top, and one end of the outer side of the support frame (27) is connected to the inner wall of the housing (1) through a second tension spring (30).
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| CN202211054268.4A CN115814604B (en) | 2022-08-31 | 2022-08-31 | Filter membrane culture apparatus for water quality detection by filter membrane method |
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| CN114047041A (en) * | 2021-10-26 | 2022-02-15 | 杨拓 | Escherichia coli online analyzer |
| DE202022100683U1 (en) * | 2022-02-07 | 2022-03-07 | Adrian Letzner | Portable set for carrying out examinations of water samples for the presence of bacteria |
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| CN208733118U (en) * | 2018-08-27 | 2019-04-12 | 天津市第三中心医院 | A kind of increasing bacterium filter membrane collection device for ascites culture |
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| CN214334877U (en) * | 2021-03-15 | 2021-10-01 | 济宁波塞顿环保技术有限公司 | Cleaning performance detection device for cleaning agent |
| CN113457458A (en) * | 2021-06-08 | 2021-10-01 | 金科环境股份有限公司 | NF/RO microbial pollution control and cleaning comprehensive evaluation method |
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| CN113804846A (en) * | 2021-07-30 | 2021-12-17 | 正元地理信息集团股份有限公司 | Chemical industry garden water quality monitoring sampling device |
| CN114047041A (en) * | 2021-10-26 | 2022-02-15 | 杨拓 | Escherichia coli online analyzer |
| DE202022100683U1 (en) * | 2022-02-07 | 2022-03-07 | Adrian Letzner | Portable set for carrying out examinations of water samples for the presence of bacteria |
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| CN115814604B (en) | 2024-04-26 |
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