阅读说明：本技术 一种微生物滤膜洗脱分离系统 (Microbial filtration membrane elution and separation system ) 是由 不公告发明人 于 2021-08-31 设计创作，主要内容包括：发明属于滤膜相关领域,为一种微生物滤膜洗脱分离系统,一种微生物滤膜洗脱分离系统,包括壳体,所述壳体内腔侧壁固定设有收集腔固定架,所述收集腔固定架中间固定设有样品收集腔,所述样品收集腔底部设有样品出口,所述壳体底部中心设有,所述样品出口与所述样品瓶相对应,所述样品收集腔内部固定设有振动箱,所述振动箱内部设有振动机构。本发明在挤压机构的上下往复运动带动洗脱液浸泡滤膜,通过振动机构振荡滑槽的设计,电机每转动一圈,促使样品台多次振动,通过电机的高速旋转,完成对样品台的高频振动,促使滤膜中的生物粒子进入到洗脱液中,并通过压板完成分离。(The invention belongs to the field related to filter membranes, and relates to a microbial filter membrane elution and separation system which comprises a shell, wherein a collection cavity fixing frame is fixedly arranged on the side wall of an inner cavity of the shell, a sample collection cavity is fixedly arranged in the middle of the collection cavity fixing frame, a sample outlet is arranged at the bottom of the sample collection cavity, the center of the bottom of the shell is provided with the sample outlet corresponding to a sample bottle, a vibration box is fixedly arranged in the sample collection cavity, and a vibration mechanism is arranged in the vibration box. According to the invention, the up-and-down reciprocating motion of the extrusion mechanism drives the eluent to soak the filter membrane, through the design of the vibration chute of the vibration mechanism, the sample table is driven to vibrate for many times when the motor rotates for one circle, the high-frequency vibration of the sample table is completed through the high-speed rotation of the motor, the biological particles in the filter membrane are driven to enter the eluent, and the separation is completed through the pressing plate.)

1. The utility model provides a little biological filter membrane elution piece-rate system, includes casing (10), its characterized in that, casing (10) inner chamber lateral wall is fixed to be equipped with and collects chamber mount (29), collect fixed sample collection chamber (30) of being equipped with in the middle of chamber mount (29), sample collection chamber (30) bottom is equipped with sample outlet (48), casing (10) bottom center is equipped with, sample outlet (48) with sample bottle (32) are corresponding, sample collection chamber (30) inside is fixed and is equipped with vibration case (31), vibration case (31) inside is equipped with vibration mechanism, and vibration mechanism is used for driving the vibration of filter membrane high frequency, makes the biological particle on the filter membrane enter into the eluant, accomplishes the separation of biological particle with the filter membrane.

2. A microfiltration membrane elution separation system according to claim 1 wherein: vibrating device includes vibrating case (31) inside vibration chamber (49) that is equipped with, vibrating case (31) rear side wall is fixed and is equipped with vibrating motor (33), vibrating motor (33) output end is fixed and is equipped with dwang (34), dwang (34) other end front side is fixed and is equipped with fixed axle (35), fixed axle (35) outside is rotated and is equipped with head rod (36), vibrating case (31) rear side wall is fixed and is equipped with fixed rotating shaft (38), fixed rotating shaft (38) front side is rotated and is equipped with swinging arms (37), swinging arms (37) lower extreme with head rod (36) left end is articulated.

3. A microfiltration membrane elution separation system according to claim 2 wherein: the utility model discloses a vibration box, including vibration box (31) front and back lateral wall fixed be equipped with one vibration support (43), every vibration support (43) upside bilateral symmetry respectively is fixed be equipped with one vibrating spring (45), four vibrating spring (45) upper end is fixed jointly and is equipped with sample platform (46), sample platform (46) upper surface is used for placeeing filter membrane (47), the rear side vibration support (43) front end bilateral symmetry respectively is fixed be equipped with one vibration chute support (41), two vibration chute support (41) inboard is fixed jointly and is equipped with vibration spout (42), it is equipped with two vibration slide bar (51) to slide in vibration spout (42), distance between two vibration slide bar (51) equals the distance of a cycle stroke of vibration spout (42), two vibration slide bar (51) outside is equipped with vibration piece (44) jointly, every vibration slide bar (51) are in vibration piece (44) internal rotation, vibrating mass (44) upside with sample platform (46) are inconsistent, vibrating mass (44) front side is fixed and is equipped with vibration axle (40), vibration axle (40) outside is rotated and is equipped with second connecting rod (39), the second connecting rod (39) other end with swinging arms (37) upper end is articulated mutually.

4. A microfiltration membrane elution separation system according to claim 3 wherein: the casing (10) lateral wall left and right sides is fixed and is equipped with end cover spout (11), every it is equipped with end cover slide rail (12) to slide in end cover spout (11) spout, every end cover slide rail (12) upside and corresponding be equipped with closing spring (13), two in end cover spout (11) spout jointly fixed end cover (14) of being equipped with between end cover slide rail (12).

5. A microfiltration membrane elution separation system according to claim 4 wherein: the upper side wall of the inner cavity of the end cover (14) is provided with a soaking mechanism which is used for transporting the eluent to the extrusion cavity, and soaking the filter membrane in the extrusion cavity, wherein the soaking mechanism comprises an elution liquid cylinder (20) fixedly arranged at the lower side of the end cover (14), a liquid inlet (15) is arranged at the upper end of the left side of the elution liquid cylinder (20), the liquid inlet (15) is communicated with the outside, four first liquid outlet valves (21) are uniformly and fixedly arranged in the grooves at the inner side of the elution liquid cylinder (20), a second liquid outlet valve (22) is fixedly arranged at the bottom of the elution liquid cylinder (20), a liquid conveying pipe (23) is communicated and arranged at the lower side of the second liquid outlet valve (22), a spraying box (26) is fixedly arranged on the side wall of the end cover (14), a spraying box liquid inlet (24) is arranged at the rear part of the upper side of the spraying box (26), the liquid inlet (24) of the spraying box is communicated with the lower end of the liquid conveying pipe (23).

6. A microfiltration membrane elution separation system according to claim 5 wherein: the inner part of the end cover (14) is provided with an extrusion mechanism, the extrusion mechanism is used for separating a filter membrane after soaking a eluent from the eluent, the extrusion mechanism comprises a pressing rod (17) which is arranged on the side wall of the end cover (14) in a sliding manner, the lower end of the pressing rod (17) penetrates through the lower side wall of the eluent cylinder (20) and extends to an extrusion cavity, a pressing handle (16) is fixedly arranged on the upper side of the pressing rod (17), a piston (19) is fixedly arranged on the outer side of the middle part of the pressing rod (17), the outer side of the piston (19) is connected with the inner side wall of the end cover (14) in a sliding manner, a sealing ring (50) is fixedly arranged at the center of the bottom of the end cover (14), the inner side of the sealing ring (50) is abutted against the outer side wall of the pressing rod (17), the outer side wall of the pressing rod (17) is provided with a return spring (18), and the return spring (18) is positioned between the pressing handle (16) and the upper side wall of the end cover (14), the pressing plate (25) is fixedly arranged on the lower side of the pressing rod (17), and the pressing plate (25) is located right above the sample table (46).

Technical Field

The invention belongs to the field related to filter membranes, and particularly relates to a microbial filter membrane elution separation system.

Background

The microbial aerosol is a colloidal system formed by suspending a group of unicellular or nearly unicellular organisms with tiny shapes and simple structures in air, the research on the microbial aerosol firstly needs to sample the microbial aerosol for subsequent analysis and research, however, a sampler adopting a filter membrane for particle capture has a problem on how to efficiently elute a sample in the sampled filter membrane, particularly for the filter membrane adopting an electrostatic capture effect, the interception effect and the electrostatic adsorption effect of filter membrane fibers need to be overcome in the elution process, the traditional elution method is to shear the filter membrane, then immerse the filter membrane into deionized water, and elute the filter membrane by using a method of ultrasonic oscillation and then filtration, and the method has the defects that: firstly, some particulate matters are combined with the filter membrane tightly, the ultrasonic oscillation cannot be completely eluted, in addition, certain filter membrane fiber impurities can be generated in the operation process, the final analysis is influenced, especially for the filter membrane for collecting microorganisms, the activity of the microorganisms can be lost by the ultrasonic oscillation method, and the traditional method is complicated in operation and long in time consumption.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a microbial filter membrane elution and separation system which can complete the high-efficiency separation of biological particles in a filter membrane, avoid the mixing of fiber impurities in a sample and simultaneously does not influence the activity of the biological particles.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a little biological filter membrane elution piece-rate system, includes the casing, the fixed collection chamber mount that is equipped with of casing inner chamber lateral wall, collect the fixed sample collection chamber that is equipped with in the middle of the chamber mount, sample collection chamber bottom is equipped with the sample outlet, casing bottom center is equipped with, the sample outlet with the sample bottle corresponds, the fixed vibrating bin that is equipped with in sample collection intracavity portion, vibrating bin inside is equipped with vibration mechanism, and vibration mechanism is used for driving the vibration of filter membrane high frequency, makes the biological particle on the filter membrane enter into the eluant, accomplishes the separation of biological particle and filter membrane.

Preferably, vibrating device includes the inside vibration chamber that is equipped with of vibration case, the fixed vibrating motor that is equipped with of lateral wall behind the vibration case, the fixed dwang that is equipped with of vibrating motor output, the fixed axle that is equipped with of dwang other end front side, the fixed axle outside is rotated and is equipped with the head rod, the fixed rotating shaft that is equipped with of lateral wall behind the vibration case, the rotation of fixed rotating shaft front side is equipped with the swinging arms, the swinging arms lower extreme with the head rod left end is articulated.

Preferably, the front side wall and the rear side wall of the vibration box are fixedly provided with a vibration support, the upper side of each vibration support is bilaterally and symmetrically and respectively fixedly provided with a vibration spring, the upper ends of the four vibration springs are jointly and fixedly provided with a sample table, the upper surface of the sample table is used for placing a filter membrane, the front end of the vibration support is bilaterally and symmetrically and respectively fixedly provided with a vibration chute support, the inner sides of the two vibration chute supports are jointly and fixedly provided with a vibration chute, the vibration chute is internally and slidably provided with two vibration slide bars, the distance between the two vibration slide bars is equal to the distance of one periodic stroke of the vibration chute, the outer sides of the two vibration slide bars are jointly provided with a vibration block, each vibration slide bar rotates in the vibration block, the upper side of the vibration block is abutted against the sample table, the front side of the vibration block is fixedly provided with a vibration shaft, and the outer side of the vibration shaft is rotatably provided with a second connecting rod, the other end of the second connecting rod is hinged with the upper end of the swinging rod.

Preferably, the left side and the right side of the outer side wall of the shell are fixedly provided with end cover sliding grooves, each end cover sliding groove is internally provided with an end cover sliding rail in a sliding manner, the upper sides of the end cover sliding rails correspond to the end cover sliding grooves, closed springs are arranged in the end cover sliding grooves, and end covers are fixedly arranged between the two end cover sliding rails.

Preferably, the lateral wall is equipped with soaking mechanism on the end cover inner chamber, and soaking mechanism is used for transporting the lotion to the extrusion chamber to soak the filter membrane in the extrusion chamber, and soaking mechanism includes the fixed eluant jar that is equipped with of end cover downside, the inlet has been seted up to eluant jar left side upper end, the inlet intercommunication is external, evenly fixed four first liquid valves that are equipped with in the inboard recess of eluant jar, the fixed second that is equipped with in eluant jar bottom goes out the liquid valve, the switch-on of second liquid valve downside is equipped with fortune liquid pipe, the fixed spray box that is equipped with of end cover lateral wall, the spray box inlet has been seted up at spray box upside rear, the spray box inlet with fortune liquid pipe lower extreme is linked together.

Preferably, the inside extrusion mechanism that is equipped with of end cover, extrusion mechanism are used for taking off the filter membrane after the lotion soaks with take off the lotion separation, and extrusion mechanism includes the lateral wall slides and is equipped with according to the depression bar on the end cover, run through according to the depression bar lower extreme wash solution jar lower wall and extend to the extrusion chamber, press the fixed handle that is equipped with of depression bar upside, press the fixed piston that is equipped with in the depression bar middle part outside, the piston outside is in end cover inside wall sliding connection, the fixed sealing washer that is equipped with in end cover bottom center, the sealing washer inboard with press the depression bar lateral wall inconsistent, be equipped with reset spring according to the depression bar lateral wall, reset spring is located press the handle with between the lateral wall on the end cover, press the fixed clamp plate that is equipped with of depression bar downside, the clamp plate is located directly over the sample platform.

The end cover is lifted upwards, a filter membrane containing biological particles is placed on the upper surface of the sample platform, the end cover slides downwards to form a closed state with the shell, a proper amount of eluent is poured into the end cover through the liquid inlet, a worker presses the pressing handle downwards, the pressing handle drives the reset spring to slide downwards in the inner side wall of the end cover through the pressing rod, the pressing handle automatically resets due to the elastic action of the reset spring, the piston moves upwards, the second liquid outlet valve is closed, the piston and the inner side wall of the end cover form vacuum, so that the first liquid outlet valve is opened, the detergent in the outer cavity of the end cover enters the inner cavity, when the piston slides downwards along the inner wall, the first liquid outlet valve is closed, the second liquid outlet valve is opened, eluent in the inner cavity of the end cover enters the spraying box through the liquid conveying pipe and is sprayed onto the surface of the filter membrane through the nozzle, and the filter membrane is soaked.

Meanwhile, the vibrating motor is started to work, the vibrating motor drives the output end rotating rod to rotate, the rotating rod drives the first connecting rod to rotate and move by taking the fixed shaft as a center, the first connecting rod drives the oscillating rod to rotate by taking the fixed rotating shaft as a center, the upper end of the fixed rotating shaft drives the two vibrating slide rods in the vibrating block to slide in the vibrating chute through the second connecting rod, so the vibrating slide rods drive the vibrating block to reciprocate up and down at high frequency in the interaction process in the vibrating chute, and the upper surface of the vibrating block is abutted against the lower surface of the sample table, so high-frequency vibration is caused, separating the biological particles contained in the filter membrane from the filter membrane and fusing the biological particles into the eluent, oscillating the design of the slide rail, the sample stage can be vibrated for many times in one reciprocating stroke, and the oscillating block is driven to reciprocate up and down at high frequency by the high-speed rotation of the motor, so that biological particles on the filter membrane are separated from the filter membrane more quickly and better.

Simultaneously, press the gliding in-process of depression bar and bring the pressure pad to form the extrusion to the filter membrane, separate filter membrane and eluant, when the eluant page is higher than sample platform, enter into the sample collection chamber through the extrusion, and discharge into the sample bottle through the sample outlet, then through pressing the clamp plate extrusion filter membrane in the subassembly and make the eluant on the filter membrane ooze and flow into the sample collection chamber, the eluate that the sample bottle was collected and is flowed out carries out subsequent research analysis, whole operation process adopts high frequency vibration and mechanical extrusion and drives the mode that the eluant soaks the filter membrane, can elute the filter membrane by the efficient, the required time is short, and no fibrous impurity, do not influence the activity of microorganism basically.

Compared with the prior art, the microbial filter membrane elution separation system has the following advantages:

1. the eluent automatically finishes soaking the filter membrane containing the biological particles through the up-and-down reciprocating motion of the extrusion mechanism.

2. The design of the oscillating slide rail can form multiple times of vibration on the sample table in a reciprocating stroke, and the oscillating block is driven to reciprocate up and down at high frequency by the high-speed rotation of the motor, so that biological particles on the filter membrane are separated from the filter membrane more quickly and better.

3. The whole operation process adopts the mode of high-frequency vibration and mechanical extrusion and driving the eluent to soak the filter membrane, so that the filter membrane can be efficiently eluted, the required time is short, and the filter membrane is free of fiber impurities and basically free of influence on the activity of microorganisms.

Drawings

FIG. 1 is a schematic diagram of the structure of the present microfiltration membrane elution separation system.

Fig. 2 is a sectional view taken along a line a-a in fig. 1.

Fig. 3 is a sectional view taken along line B-B in fig. 1.

Fig. 4 is a sectional view taken along line C-C in fig. 1.

Fig. 5 is an enlarged view of the structure at D in fig. 1.

In the figure, 10, the housing; 11. an end cap chute; 12. an end cap slide rail; 13. a closing spring; 14. an end cap; 15. a liquid inlet; 16. pressing the handle; 17. a pressing lever; 18. a return spring; 19. a piston; 20. an eluent cylinder; 21. a first liquid outlet valve; 22. a second liquid outlet valve; 23. a liquid conveying pipe; 24. a liquid inlet of the spraying box; 25. pressing a plate; 26. a spraying tank; 27. a nozzle; 28. a rubber ring; 29. a collection chamber mount; 30. a sample collection chamber; 31. a vibration box; 32. a sample bottle; 33. a vibration motor; 34. rotating the rod; 35. a fixed shaft; 36. a first connecting rod; 37. a swing lever; 38. fixing the rotating shaft; 39. a second connecting rod; 40. a vibration shaft; 41. vibrating the chute support; 42. vibrating the chute; 43. a vibration bracket; 44. vibrating the block; 45. a vibration spring; 46. a sample stage; 47. filtering the membrane; 48. a sample outlet; 49. a vibration chamber; 50. a seal ring; 51. the slide bar is vibrated.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figure 1, a microbial filtration membrane elution separation system comprises a shell 10, a collection cavity fixing frame 29 is fixedly arranged on the side wall of an inner cavity of the shell 10, a sample collection cavity 30 is fixedly arranged in the middle of the collection cavity fixing frame 29, a sample outlet 48 is arranged at the bottom of the sample collection cavity 30, the center of the bottom of the shell 10 is provided with the sample outlet 48 corresponding to a sample bottle 32, a vibration box 31 is fixedly arranged in the sample collection cavity 30, a vibration mechanism is arranged in the vibration box 31 and used for driving a filtration membrane to vibrate at high frequency, so that biological particles on the filtration membrane enter an eluent, and the separation of the biological particles from the filtration membrane is completed.

As shown in fig. 1, 2, and 5, the vibration device includes a vibration chamber 49 inside the vibration box 31, a vibration motor 33 is fixedly disposed on a rear side wall of the vibration box 31, a rotation rod 34 is fixedly disposed at an output end of the vibration motor 33, a fixed shaft 35 is fixedly disposed at a front side of the other end of the rotation rod 34, a first connection rod 36 is rotatably disposed outside the fixed shaft 35, a fixed rotation shaft 38 is fixedly disposed on the rear side wall of the vibration box 31, a swing rod 37 is rotatably disposed at a front side of the fixed rotation shaft 38, and a lower end of the swing rod 37 is hinged to a left end of the first connection rod 36.

As shown in fig. 1, 4 and 5, a vibration bracket 43 is fixedly arranged on the front and rear side walls of the vibration box 31, a vibration spring 45 is respectively and symmetrically arranged on the left and right sides of the upper side of each vibration bracket 43, a sample table 46 is fixedly arranged at the upper ends of the four vibration springs 45, the upper surface of the sample table 46 is used for placing a filter membrane 47, a vibration chute bracket 41 is respectively and symmetrically arranged at the left and right sides of the front end of the rear vibration bracket 43, a vibration chute 42 is fixedly arranged on the inner side of each vibration chute bracket 41, two vibration slide bars 51 are slidably arranged in the vibration chute 42, the distance between the two vibration slide bars 51 is equal to the distance of one period stroke of the vibration chute 42, a vibration block 44 is commonly arranged on the outer side of each vibration slide bar 51, each vibration slide bar 51 rotates in the vibration block 44, the upper side of the vibration block 44 is abutted against the sample table 46, a vibration shaft 40 is fixedly arranged on the front side of the vibration block 44, a second connecting rod 39 is rotatably arranged on the outer side of the vibration shaft 40, the other end of the second connecting rod 39 is hinged with the upper end of the swinging rod 37.

As shown in fig. 1, end cover sliding grooves 11 are fixedly arranged on the left and right sides of the outer side wall of the casing 10, an end cover sliding rail 12 is slidably arranged in each end cover sliding groove 11, a closing spring 13 is arranged in the upper side of each end cover sliding rail 12 and the corresponding end cover sliding groove 11, and an end cover 14 is fixedly arranged between the two end cover sliding rails 12.

As shown in fig. 1, a soaking mechanism is arranged on the upper side wall of the inner cavity of the end cover 14, the soaking mechanism is used for transporting a eluent to the extrusion cavity, and soaking a filter membrane in the extrusion cavity, the soaking mechanism comprises an elution cylinder 20 fixedly arranged on the lower side of the end cover 14, a liquid inlet 15 is formed in the upper end of the left side of the elution cylinder 20, the liquid inlet 15 is communicated with the outside, four first liquid outlet valves 21 are uniformly and fixedly arranged in grooves in the inner side of the elution cylinder 20, a second liquid outlet valve 22 is fixedly arranged at the bottom of the elution cylinder 20, a liquid conveying pipe 23 is communicated with the lower side of the second liquid outlet valve 22, a spraying box 26 is fixedly arranged on the side wall of the end cover 14, a spraying box liquid inlet 24 is formed in the rear of the upper side of the spraying box 26, and the spraying box liquid inlet 24 is communicated with the lower end of the liquid conveying pipe 23.

As shown in fig. 1 and 3, an extruding mechanism is arranged inside the end cap 14, the extruding mechanism is used for separating a filter membrane soaked in a eluent from the eluent, the extruding mechanism includes a pressing rod 17 slidably arranged on the upper side wall of the end cap 14, the lower end of the pressing rod 17 penetrates through the lower side wall of an eluent cylinder 20 and extends to an extruding cavity, a pressing handle 16 is fixedly arranged on the upper side of the pressing rod 17, a piston 19 is fixedly arranged on the outer side of the middle of the pressing rod 17, the outer side of the piston 19 is slidably connected with the inner side wall of the end cap 14, a sealing ring 50 is fixedly arranged at the center of the bottom of the end cap 14, the inner side of the sealing ring 50 is abutted against the outer side wall of the pressing rod 17, a return spring 18 is arranged on the outer side wall of the pressing rod 17, the return spring 18 is positioned between the pressing handle 16 and the upper side wall of the end cap 14, a pressing plate 25 is fixedly arranged on the lower side of the pressing rod 17, and the pressing plate 25 is positioned right above a sample table 46.

Lifting the end cover 14 upwards, placing a filter membrane 47 containing biological particles on the upper surface of the sample table 46, enabling the end cover 14 to slide downwards to form a closed state with the shell 10, pouring a proper amount of eluent into the end cover 14 through the liquid inlet 15, pressing the pressing handle 16 downwards by a worker, driving the resetting spring 18 to slide downwards in the inner side wall of the end cover 14 by the pressing handle 16 through the pressing rod 17, automatically resetting the pressing handle 16 due to the elastic action of the resetting spring 18, closing the second liquid outlet valve 22 in the upward moving process of the piston 19, opening the first liquid outlet valve 21 due to the vacuum formed by the piston 19 and the inner side wall of the end cover 14, enabling the eluent in the outer cavity of the end cover 14 to enter the inner cavity, closing the second liquid outlet valve 22 by the first liquid outlet valve 21 when the piston 19 slides downwards along the inner wall, enabling the eluent in the inner cavity of the end cover 14 to enter the spraying box 26 through the liquid conveying pipe 23 and to be sprayed on the surface of the filter membrane 47 through the nozzle 27, the filter membrane 47 is soaked.

Meanwhile, the vibration motor 33 is started to work, the vibration motor 33 drives the output end rotating rod 34 to rotate, the rotating rod 34 drives the first connecting rod 36 to rotate and move around the fixed shaft 35, the first connecting rod 36 drives the swinging rod 37 to rotate around the fixed rotating shaft 38, the upper end of the fixed rotating shaft 38 drives the two vibration sliding rods 51 in the vibration block 44 to slide in the vibration sliding groove 42 through the second connecting rod 39, so that the vibration sliding rods 51 drive the vibration block 44 to reciprocate up and down in a high frequency in the interaction process in the vibration sliding groove 42, the upper surface of the vibration block 44 is in contact with the lower surface of the sample table 46, high-frequency vibration is caused, biological particles contained in the filter membrane 47 are separated from the filter membrane 47 and are blended into eluent, the design of the vibration sliding rail can vibrate the sample table 46 for a plurality of times in one reciprocating stroke, and the vibration block is driven to reciprocate up and down in a high frequency through the high-speed rotation of the motor, the biological particles on the filter membrane are separated from the filter membrane more quickly and better.

Meanwhile, press down the gliding in-process of pole 17 and bring the pressure plate 25 to form the extrusion to filter membrane 47, separate filter membrane 47 and eluant, when the eluant page is higher than sample platform 46 platform, enter into sample collection chamber 30 through the extrusion, and discharge into sample bottle 32 through sample outlet 48, then make the eluant on the filter membrane ooze and flow into sample collection chamber through the clamp plate extrusion filter membrane among the pressing component, the eluate that the sample bottle collects and flows out carries out subsequent research and analysis, whole operation process adopts high-frequency vibration and mechanical extrusion and drives the mode that the eluant soaks the filter membrane, can elute the filter membrane by the efficient, the required time is short, and there is no fibrous impurity, do not influence the activity of microorganism basically.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.