CN216457449U

CN216457449U - Water sample filtering treatment device for environment monitoring experiment

Info

Publication number: CN216457449U
Application number: CN202123280971.0U
Authority: CN
Inventors: 朱小平; 王建国; 雷列辉; 刘艺斯; 王金裕; 李召旭; 吴倩
Original assignee: Pearl River Hydraulic Research Institute of PRWRC
Current assignee: Pearl River Hydraulic Research Institute of PRWRC
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-10
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses an environmental monitoring experiment water sample filtration treatment device, be the rose box that the opening set up including the top, the top fixedly connected with apron of rose box, the top of apron is inlayed and is equipped with the toper inlet tube that is linked together with rose box inside, the bottom fixedly connected with U-shaped base of rose box, the bottom both sides of U-shaped base are all rotated and are installed a plurality of walking wheels, and the bottom inner wall of rose box is established to the toper structure, and the bottom of rose box communicates and is fixed with the drain pipe, and the bottom of drain pipe extends to in the U-shaped base and fixedly connected with valve. The utility model discloses a coarse filtration net and thin filter screen cooperate, can carry out twice filtration to the water sample, improve the filter effect, are convenient for shake the collection to impurity is automatic at filterable in-process, reduce filterable in-process coarse filtration net and thin filter screen top and piled up the risk of jam, improve filtration stability and filtration efficiency, satisfy the user demand.

Description

Water sample filtering treatment device for environment monitoring experiment

Technical Field

The utility model relates to a water sample filtration processing technology field especially relates to an environmental monitoring experiment water sample filtration processing apparatus.

Background

The environmental monitoring is to monitor and measure indexes reflecting environmental quality to determine the environmental pollution condition and the environmental quality, the content of the environmental monitoring mainly comprises the monitoring of physical indexes, the monitoring of chemical indexes and the monitoring of an ecosystem, and a water sample is often filtered in the environmental monitoring work; common environmental monitoring water sample filter equipment, its filter effect is unsatisfactory, and the impurity discharge who filters off in time is not convenient for at filterable in-process and is collected, the static filterable mode of current use filter screen, long-time filtration causes impurity to pile up the phenomenon of blockking up the filter screen easily, and then influences filtration efficiency, can not satisfy the user demand, therefore we have proposed an environmental monitoring experiment water sample filtration processing apparatus and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an environmental monitoring experiment water sample filtering and processing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an environmental monitoring experiment water sample filtering treatment device, includes that the top is the rose box of opening setting, the top fixedly connected with apron of rose box, the top of apron inlays and is equipped with the toper inlet tube that is linked together with rose box inside, the bottom fixedly connected with U-shaped base of rose box, a plurality of walking wheels are all installed in the bottom both sides of U-shaped base to rotate, the bottom inner wall of rose box establishes to the toper structure, the bottom of rose box communicates and is fixed with the drain pipe, the bottom of drain pipe extends to in the U-shaped base and fixedly connected with valve, the thick filter screen and the thin filter screen of slope setting are installed in the rotation between the front side inner wall and the rear side inner wall of rose box, thick filter screen is located the top of thin filter screen, the slope direction of thick filter screen and thin filter screen is opposite, slope decurrent discharge opening has all been seted up on the both sides inner wall of rose box, the both sides fixedly connected with the collecting box that the top set up for the opening, the collecting boxes are matched with corresponding discharge holes, a feed hole with the top being provided with an opening is arranged on the inner wall of one side of each collecting box close to the filter box, the feed hole is communicated with the corresponding discharge hole, a shielding and filtering mechanism is movably sleeved in each collecting box, one side of each collecting box close to each other is fixedly communicated with a water outlet pipe which is obliquely arranged, one end of each water outlet pipe close to each other is communicated with the inside of the filter box, a collision knocking mechanism is arranged below the coarse filter screen, a driving motor is embedded on the right side of the filter box, the left end of an output shaft of the driving motor is fixedly connected with the right side of the collision knocking mechanism, an L-shaped knocking rod is fixedly connected on the left side of the top of the fine filter screen, the L-shaped rod is matched with the collision knocking mechanism, elastic shielding rubber sheets are fixedly bonded on the inner walls of the two sides of the filter box, and the bottoms of the two elastic shielding rubber sheets are fixedly bonded with the top of the coarse filter screen and the top of the fine filter screen respectively, the inner walls of the two sides of the filter box are fixedly connected with elastic supporting mechanisms which are respectively and fixedly connected with the bottom of the coarse filter screen and the bottom of the fine filter screen.

Preferably, the shielding and filtering mechanism comprises a shielding filter plate movably sleeved in the collecting box, a pull rod is fixedly connected to the top of the shielding filter plate, a pull ring is fixedly connected to the top end of the pull rod, a clip-shaped supporting frame is fixedly connected between the inner walls of the two sides of the collecting box, and the top of the clip-shaped supporting frame is in movable contact with the bottom of the corresponding shielding filter plate.

Preferably, the collision knocking mechanism comprises a knocking rod arranged below the coarse filter screen, a knocking roller is fixedly connected to the top end of the knocking rod, the knocking roller is located below the coarse filter screen and matched with the coarse filter screen, the knocking rod is slidably mounted on the inner wall of the right side of the filter box, a first through hole is formed in the right side of the knocking rod, balls are embedded on the inner wall of the top and the inner wall of the bottom of the first through hole, a rotating shaft is rotatably mounted on the inner wall of the right side of the filter box, the right end of the rotating shaft is fixedly connected with the left end of an output shaft of a driving motor, two eccentric wheels are fixedly sleeved on the rotating shaft, the eccentric wheel located on the right side is located between the two balls and in rolling contact with the two balls, the eccentric wheel located on the left side is located in the L-shaped rod and matched with the L-shaped rod, and the inner wall of the top of the L-shaped rod is set to be a smooth surface.

Preferably, the elastic support mechanism comprises U-shaped supporting seats fixedly connected to the side wall of the filter box, the tops of the two U-shaped supporting seats are respectively in movable contact with the bottom of the coarse filter screen and the bottom of the fine filter screen, the bottom of the coarse filter screen and the bottom of the fine filter screen are fixedly connected with tension springs, and the bottoms of the tension springs are fixedly connected with the inner walls of the bottoms of the corresponding U-shaped supporting seats.

Preferably, the two water outlet pipes are respectively positioned below the coarse filter screen and the fine filter screen.

Preferably, the front side and the rear side of the coarse filter screen and the front side and the rear side of the fine filter screen are respectively in movable contact with the front side inner wall and the rear side inner wall of the filter box.

Preferably, the front side and the rear side of the elastic shielding rubber sheet are respectively in movable contact with the front side inner wall and the rear side inner wall of the filter box.

Preferably, the inner wall of the right side of the filter box is fixedly connected with a T-shaped slide rail, the right side of the knocking rod is fixedly connected with a moving block, the right side of the moving block is provided with a T-shaped slide groove, the top and the bottom of the T-shaped slide groove are both provided with openings, and the T-shaped slide rail is in sliding connection with the T-shaped slide groove.

Preferably, the bottom of the cover plate is fixedly connected with a baffle plate, and the baffle plate is positioned on the left side of the conical water inlet pipe and matched with the conical water inlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a coarse filtration net and thin filter screen cooperate, can carry out twice filtration to the water sample, improve the filter effect, are convenient for shake the collection to impurity is automatic at filterable in-process, reduce filterable in-process coarse filtration net and thin filter screen top and piled up the risk of jam, improve filtration stability and filtration efficiency, satisfy the user demand.

Drawings

Fig. 1 is a schematic structural diagram of a water sample filtration treatment device for environmental monitoring experiments provided by the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 100. a filter box; 101. a U-shaped base; 1. a coarse filter screen; 2. a fine filter screen; 3. a discharge hole; 4. a collection box; 5. a water outlet pipe; 6. shielding the filter plate; 7. a pull rod; 8. a feed port; 9. an L-shaped rod; 10. an eccentric wheel; 11. an elastic shielding rubber sheet; 12. a U-shaped supporting seat; 13. a tension spring; 14. a knock rod; 15. a drive motor; 16. a rotating shaft; 17. a first through hole; 18. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an environmental monitoring experiment water sample filtering treatment device comprises a filter box 100 with an opening at the top, a cover plate is fixedly connected to the top of the filter box 100, a conical water inlet pipe communicated with the interior of the filter box 100 is embedded in the top of the cover plate, a U-shaped base 101 is fixedly connected to the bottom of the filter box 100, a plurality of traveling wheels are rotatably mounted on both sides of the bottom of the U-shaped base 101, the inner wall of the bottom of the filter box 100 is in a conical structure, a drain pipe is communicated and fixed to the bottom of the filter box 100, the bottom end of the drain pipe extends into the U-shaped base 101 and is fixedly connected with a valve, a coarse filter screen 1 and a fine filter screen 2 which are obliquely arranged are rotatably mounted between the inner wall of the front side and the inner wall of the rear side of the filter box 100, the coarse filter screen 1 is positioned above the fine filter screen 2, the oblique directions of the coarse filter screen 1 and the fine filter screen 2 are opposite, and the rotation directions of the coarse filter screen 1 and the fine filter screen 2 are opposite, the inner walls of two sides of the filter box 100 are respectively provided with a downward inclined discharge hole 3, wherein the left discharge hole 3 is positioned at the upper left of the coarse filter screen 1, the right discharge hole 3 is positioned at the upper right of the fine filter screen 2, both sides of the filter box 100 are respectively and fixedly connected with a collecting box 4 with an opening at the top, the collecting box 4 is matched with the corresponding discharge hole 3, the inner wall of one side of the collecting box 4 close to the filter box 100 is provided with a feed hole 8 with an opening at the top, the feed hole 8 is communicated with the corresponding discharge hole 3, a shielding filter mechanism is movably sleeved in the collecting box 4, one side of the two collecting boxes 4 close to each other is respectively communicated and fixedly provided with an inclined water outlet pipe 5, one end of the two water outlet pipes 5 close to each other is communicated with the inside of the filter box 100, wherein the left water outlet pipe 5 is positioned at the upper left of the fine filter screen 2, the right water outlet pipe 5 is positioned at the lower right of the fine filter screen 2, a collision knocking mechanism is arranged below the coarse filter screen 1, a driving motor 15 is embedded in the right side of the filter box 100, the left end of an output shaft of the driving motor 15 is fixedly connected with the right side of the collision knocking mechanism, the left side of the top of the fine filter screen 2 is fixedly connected with an L-shaped rod 9, the L-shaped rod 9 is matched with the collision knocking mechanism, elastic shielding rubber sheets 11 are fixedly bonded on the inner walls of two sides of the filter box 100, the bottoms of the two elastic shielding rubber sheets 11 are fixedly bonded with the top of the coarse filter screen 1 and the top of the fine filter screen 2 respectively, elastic supporting mechanisms are fixedly connected on the inner walls of two sides of the filter box 100, and the two elastic supporting mechanisms are fixedly connected with the bottom of the coarse filter screen 1 and the bottom of the fine filter screen 2 respectively;

the shielding and filtering mechanism comprises a shielding filter plate 6 movably sleeved in the collecting box 4, the top of the shielding filter plate 6 is fixedly connected with a pull rod 7, the top end of the pull rod 7 is fixedly connected with a pull ring, a clip-shaped supporting frame is fixedly connected between the inner walls of the two sides of the collecting box 4, and the top of the clip-shaped supporting frame is movably contacted with the bottom of the corresponding shielding filter plate 6;

the collision knocking mechanism comprises a knocking rod 14 arranged below the coarse filter screen 1, a knocking roller is fixedly connected to the top end of the knocking rod 14, the knocking roller is arranged below the coarse filter screen 1 and matched with the coarse filter screen 1, the knocking rod 14 is slidably mounted on the inner wall of the right side of the filter box 100, a first through hole 17 is formed in the right side of the knocking rod 14, balls 18 are embedded on the inner wall of the top and the inner wall of the bottom of the first through hole 17, a rotating shaft 16 is rotatably mounted on the inner wall of the right side of the filter box 100, a bearing mounting through hole is formed in the inner wall of the right side of the filter box 100, a bearing which is fixedly bonded and sleeved with the outer side of the rotating shaft 16 is fixedly bonded and fixed on the inner side wall of the bearing mounting through hole, the right end of the rotating shaft 16 is fixedly connected with the left end of an output shaft of a driving motor 15, two eccentric wheels 10 are fixedly sleeved on the rotating shaft 16, the eccentric wheel 10 on the right side is arranged between the two balls 18 and is in rolling contact with the two balls 18, the eccentric wheel 10 positioned on the left side is positioned in the L-shaped rod 9 and is matched with the L-shaped rod 9, and the inner wall of the top of the L-shaped rod 9 is provided with a smooth surface;

the elastic support mechanism includes U-shaped supporting seat 12 of fixed connection on the lateral wall of rose box 100, the top of two U-shaped supporting seats 12 respectively with the bottom of coarse filtration net 1 and the bottom movable contact of fine filtration net 2, the equal fixedly connected with extension spring 13 in the bottom of coarse filtration net 1 and the bottom of fine filtration net 2, the bottom of extension spring 13 and the bottom inner wall fixed connection of the U-shaped supporting seat 12 that corresponds, the utility model discloses a coarse filtration net 1 and fine filtration net 2 cooperate, can carry out twice filtration to the water sample, improve the filter effect, be convenient for at filterable in-process to the automatic shake of impurity fall the collection, reduce filterable in-process coarse filtration net 1 and fine filtration net 2 top by piling up the risk of jam, improve filtration stability and filtration efficiency, satisfy the user demand.

In the utility model, two water outlet pipes 5 are respectively positioned below a coarse filter screen 1 and a fine filter screen 2, the front side and the rear side of the coarse filter screen 1 and the front side and the rear side of the fine filter screen 2 are respectively in movable contact with the front inner wall and the rear inner wall of a filter box 100, the front side and the rear side of an elastic shielding rubber sheet 11 are respectively in movable contact with the front inner wall and the rear inner wall of the filter box 100, a T-shaped slide rail is fixedly connected on the right inner wall of the filter box 100, a movable block is fixedly connected on the right side of a knocking rod 14, a T-shaped chute with the top and the bottom arranged in an opening is arranged on the right side of the movable block, the T-shaped slide rail is in sliding connection with the T-shaped chute, a shielding plate is fixedly connected on the bottom of a cover plate, the shielding plate is positioned on the left side of a tapered water inlet pipe and matched with the tapered water inlet pipe, the utility model discloses a water sample can be filtered twice by matching the coarse filter screen 1 and the fine filter screen 2, improve the filter effect, be convenient for shake the collection to impurity automation at filterable in-process, reduce filterable in-process

coarse filtration net

1 and 2 tops of thin filter screen and piled up the risk of jam, improve filtration stability and filtration efficiency, satisfy the user demand.

The working principle is as follows: when the water sample filtering device is used and used for filtering, a water sample is poured into the filtering box 100 through the conical water inlet pipe, the entered water sample sequentially passes through the coarse filtering net 1 and the fine filtering net 2 and enters the bottom of the filtering box 100, the filtered impurities are respectively shielded at the tops of the coarse filtering net 1 and the fine filtering net 2, and the water sample can be filtered twice through the matching of the coarse filtering net 1 and the fine filtering net 2, so that the filtering effect is improved;

the driving motor 15 is started while filtering, the output shaft of the driving motor 15 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the two eccentric wheels 10 to rotate, the eccentric wheel 10 on the right side extrudes the upper balls 18 when rotating for the first half circle, the extruding force drives the knocking rod 14 to move upwards through the upper balls 18, the eccentric wheel 10 on the right side extrudes the lower balls 18 when rotating for the second half circle, the extruding force drives the knocking rod 14 to move downwards through the lower balls 18, the eccentric wheel 10 on the right side continuously rotates, so that the knocking rod 14 moves upwards and downwards in a circulating manner, the knocking rod 14 drives the moving block to slide upwards and downwards in a circulating manner on the T-shaped sliding rail, the knocking rod 14 drives the knocking roller to move upwards and downwards in a circulating manner to perform circular knocking on the coarse filter screen 1, the knocking force drives the coarse filter screen 1 to rotate upwards and downwards in a circulating manner, and the L-shaped rod 9 is collided and knocked when the eccentric wheel 10 on the left half circle, when the eccentric wheel 10 on the left side rotates the rear half circle, the eccentric wheel 10 on the left side is gradually separated from the L-shaped rod 9, the eccentric wheel 10 on the left side continuously rotates, and then the L-shaped rod 9 can be circularly knocked to shake, so that the L-shaped rod 9 circularly moves up and down, the L-shaped rod 9 drives the fine filter screen 2 to circularly rotate up and down, the coarse filter screen 1 and the fine filter screen 2 respectively stretch the corresponding elastic shielding rubber 11 while rotating upwards, the coarse filter screen 1 and the fine filter screen 2 respectively stretch the corresponding tension springs 13, the tension forces to the corresponding tension springs 13 are gradually released while the coarse filter screen 1 and the fine filter screen 2 rotate downwards, so that the tension springs 13 are gradually reset, the impurities on the top of the coarse filter screen 1 and the fine filter screen 2 can be shaken down while rotating upwards and downwards, and the impurities sequentially drop into the collection box 4 through the corresponding discharge holes 3 and the corresponding feed holes 8 along the corresponding inclined plane, the collecting box 4 collects the filtered and shaken-off impurities, and meanwhile, the shaken-off water respectively passes through the corresponding shielding filter plates 6 and is discharged into the filter box 100 through the water outlet pipe 5, so that the aim of automatically shaking-off and collecting the impurities in the filtering process is fulfilled, the risk that the tops of the coarse filter screen 1 and the fine filter screen 2 are stacked and blocked in the filtering process is reduced, and the filtering stability and the filtering efficiency are improved;

when the impurity that needs will collect is got out the clearance, upwards stimulate the pull ring and drive corresponding pull rod 7 and upwards remove, pull rod 7 drives the corresponding filter plate 6 that shelters from and upwards removes, shelters from filter plate 6 and upwards releases the impurity of collecting, can clear up the impurity of collecting.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an environmental monitoring experiment water sample filtration processing apparatus, includes that the top is rose box (100) that the opening set up, the top fixedly connected with apron of rose box (100), the top of apron is inlayed and is equipped with the toper inlet tube that is linked together with rose box (100) inside, a serial communication port, the bottom fixedly connected with U-shaped base (101) of rose box (100), a plurality of walking wheels are all installed in the bottom both sides of U-shaped base (101) rotation, the bottom inner wall of rose box (100) is established to the toper structure, the bottom of rose box (100) communicates and is fixed with the drain pipe, the bottom of drain pipe extends to in U-shaped base (101) and fixedly connected with valve, rotate between the front side inner wall of rose box (100) and the rear side inner wall and install thick filter screen (1) and the thin filter screen (2) that the slope set up, thick filter screen (1) is located the top of thin filter screen (2), the inclined directions of the coarse filter screen (1) and the fine filter screen (2) are opposite, the inner walls of two sides of the filter box (100) are respectively provided with a discharge hole (3) inclined downwards, two sides of the filter box (100) are respectively fixedly connected with a collecting box (4) with the top arranged as an opening, the collecting box (4) is matched with the corresponding discharge hole (3), the inner wall of one side of the collecting box (4) close to the filter box (100) is provided with a feed hole (8) with the top arranged as an opening, the feed hole (8) is communicated with the corresponding discharge hole (3), a shielding filter mechanism is movably sleeved in the collecting box (4), one side of the two collecting boxes (4) close to each other is communicated with a water outlet pipe (5) fixedly arranged obliquely, one end of the two water outlet pipes (5) close to each other is communicated with the inside of the filter box (100), a knocking mechanism is arranged below the coarse filter screen (1), the right side of rose box (100) is inlayed and is equipped with driving motor (15), the right side fixed connection of mechanism is beaten with the collision to the output shaft left end of driving motor (15), top left side fixedly connected with L shape pole (9) of fine filtration net (2), L shape pole (9) are beaten with the collision and are shaken the mechanism and cooperate, all bond fixedly on the both sides inner wall of rose box (100) and have elasticity to shelter from rubber (11), the bottom that two elasticity shelter from rubber (11) bonds fixedly with the top of coarse filtration net (1) and the top of fine filtration net (2) respectively, equal fixedly connected with elastic support mechanism on the both sides inner wall of rose box (100), two elastic support mechanisms respectively with the bottom of coarse filtration net (1) and the bottom fixed connection of fine filtration net (2).

2. The environmental monitoring experiment water sample filtering and processing device according to claim 1, wherein the shielding and filtering mechanism comprises a shielding filter plate (6) movably sleeved in the collection box (4), a pull rod (7) is fixedly connected to the top of the shielding filter plate (6), a pull ring is fixedly connected to the top end of the pull rod (7), a clip-shaped support frame is fixedly connected between the inner walls of two sides of the collection box (4), and the top of the clip-shaped support frame is movably contacted with the bottom of the corresponding shielding filter plate (6).

3. The environmental monitoring experiment water sample filtering and processing device according to claim 1, wherein the collision vibration knocking mechanism comprises a vibration knocking rod (14) arranged below the coarse filter screen (1), a vibration knocking roller is fixedly connected to the top end of the vibration knocking rod (14), the vibration knocking roller is arranged below the coarse filter screen (1) and matched with the coarse filter screen (1), the vibration knocking rod (14) is slidably mounted on the inner wall of the right side of the filter box (100), a first through hole (17) is formed in the right side of the vibration knocking rod (14), balls (18) are embedded in the inner wall of the top and the inner wall of the bottom of the first through hole (17), a rotating shaft (16) is rotatably mounted on the inner wall of the right side of the filter box (100), the right end of the rotating shaft (16) is fixedly connected with the left end of an output shaft of a driving motor (15), two eccentric wheels (10) are fixed on the rotating shaft (16), the eccentric wheel (10) on the right side is positioned between the two balls (18) and is in rolling connection with the two balls (18) And in contact with the L-shaped rod (9), the eccentric wheel (10) positioned on the left side is positioned in the L-shaped rod (9) and is matched with the L-shaped rod (9), and the inner wall of the top of the L-shaped rod (9) is set to be a smooth surface.

4. The environmental monitoring experiment water sample filtering and processing device according to claim 1, wherein the elastic supporting mechanism comprises U-shaped supporting seats (12) fixedly connected to the side wall of the filtering box (100), the tops of the two U-shaped supporting seats (12) are respectively in movable contact with the bottoms of the coarse filtering net (1) and the fine filtering net (2), the bottoms of the coarse filtering net (1) and the fine filtering net (2) are both fixedly connected with tension springs (13), and the bottom ends of the tension springs (13) are fixedly connected with the inner walls of the bottoms of the corresponding U-shaped supporting seats (12).

5. The water sample filtering and processing device for the environment monitoring experiment as recited in claim 1, wherein the two water outlet pipes (5) are respectively positioned below the coarse filter screen (1) and the fine filter screen (2).

6. The environmental monitoring experiment water sample filtering and processing device according to claim 1, wherein the front side and the rear side of the coarse filter screen (1) and the front side and the rear side of the fine filter screen (2) are respectively in movable contact with the front side inner wall and the rear side inner wall of the filter box (100).

7. The environmental monitoring experiment water sample filtering and processing device is characterized in that the front side and the rear side of the elastic shielding rubber sheet (11) are respectively in movable contact with the front side inner wall and the rear side inner wall of the filter box (100).

8. The environmental monitoring experiment water sample filtering and processing device according to claim 3, wherein a T-shaped sliding rail is fixedly connected to the inner wall of the right side of the filtering box (100), a moving block is fixedly connected to the right side of the knocking rod (14), a T-shaped sliding groove with an opening at the top and the bottom is formed in the right side of the moving block, and the T-shaped sliding rail is slidably connected with the T-shaped sliding groove.

9. The environmental monitoring experiment water sample filtering and processing device as claimed in claim 1, wherein a baffle is fixedly connected to the bottom of the cover plate, and the baffle is located on the left side of the tapered water inlet pipe and is matched with the tapered water inlet pipe.