CN115058320A

CN115058320A - Aquatic microorganism metering device

Info

Publication number: CN115058320A
Application number: CN202210391774.6A
Authority: CN
Inventors: 张连忠; 邵元龙
Original assignee: Tangshan Normal University
Current assignee: Tangshan Normal University
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-09-16
Anticipated expiration: 2042-04-14
Also published as: CN115058320B

Abstract

The invention relates to the technical field of microorganism detection, and discloses an underwater microorganism metering device which comprises a tank body and a box body, wherein two guide pipes are fixedly connected to the upper end of the box body, the pipe walls of the guide pipes are respectively connected with a control valve, the upper ends of the two guide pipes are respectively connected with a cup body, a negative pressure pipe is fixed to the upper end of the box body, a drain valve is fixed to the left end of the box body, a cup cover is connected to the cup opening at the upper end of the cup body through a lock catch, two connecting pipes are connected to the upper end of the cup cover, a fixing mechanism is connected to the lower end of the cup body and is connected with the upper ends of the guide pipes, and the fixing mechanism is used for rapidly disassembling the cup body and fixing an ultrafiltration membrane installed between the cup body and the guide pipes. This aquatic microorganism metering device can keep apart raw water and milipore filter when the suction filtration, avoids aquatic microorganism to block up the milipore filter and influences the filter velocity to can carry clean air in the instrument, avoid miscellaneous fungus to sneak into and influence the detection precision.

Description

Aquatic microorganism metering device

Technical Field

The invention relates to the technical field of microorganism detection, in particular to a device for measuring microorganisms in water.

Background

Coliform is an important evaluation index of epidemic prevention and environmental protection supervision and enforcement, coliform has been used as an index of sanitary environment evaluation for many years, and plays a great role in aspects of infectious disease prevention and treatment, food hygiene quality monitoring, sewage comprehensive emission control evaluation, water resource ecological environment change and the like.

At present, although the microorganism in water can be intercepted by the microorganism filtering instrument, because the raw water is directly contacted with the ultrafiltration membrane when the traditional microorganism filtering instrument is used, when a vacuum pump is used for pressurizing and suction filtration, the microorganism in water is extremely easy to be blocked on the ultrafiltration membrane to influence the filtering speed, and the requirement on the environment is higher during suction filtration, thereby avoiding the influence on the detection precision caused by the mixed bacteria in the air mixed into the ultrafiltration membrane.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the metering device for the microorganisms in the water, which has the advantages of separating raw water from an ultrafiltration membrane during suction filtration, preventing the microorganisms in the water from blocking the ultrafiltration membrane to influence the filtration speed, conveying clean air into an instrument and preventing mixed bacteria from being mixed into the ultrafiltration membrane to influence the detection precision, and solves the problem that the raw water is directly contacted with the ultrafiltration membrane, so when a vacuum pump is used for pressure-applying suction filtration, the microorganisms in the water are easily blocked on the ultrafiltration membrane to influence the filtration speed, the requirement on the environment is higher during suction filtration, and the problem that the mixed bacteria in the air are mixed into the ultrafiltration membrane to influence the detection precision is solved.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an aquatic microorganism metering device comprises a tank body and a tank body, wherein two guide pipes are fixedly connected to the upper end of the tank body, the pipe walls of the guide pipes are respectively connected with a control valve, the upper ends of the two guide pipes are respectively connected with a cup body, a negative pressure pipe is fixed to the upper end of the tank body, a drain valve is fixed to the left end of the tank body, a cup cover is connected to the cup opening at the upper end of the cup body through a lock catch, two connecting pipes are connected to the upper end of the cup cover, a fixing mechanism is connected to the lower end of the cup body and connected with the upper ends of the guide pipes, and the fixing mechanism is used for rapidly disassembling the cup body and fixing an ultrafiltration membrane installed between the cup body and the guide pipes;

the cup comprises a cup body, and is characterized in that a partition plate and a transverse plate are fixedly connected in the cup body, a shell is connected between the partition plate and the transverse plate together, a pressurizing mechanism is arranged in the shell and used for conveying sterile water and clean air into the cup body through a pipeline, the side walls of the partition plate and the transverse plate are respectively and fixedly connected with a water inlet pipe and a water inlet pipe, the opposite ends of the water inlet pipe and the water inlet pipe are fixedly connected with the shell, the side wall of the cup body is fixedly connected with an exhaust pipe and a drain pipe, and one ends of the exhaust pipe and the drain pipe are fixedly connected with the shell;

the cup is characterized in that a circular ring is fixedly connected in the cup body, a conical hopper is sleeved in the circular ring, a rubber ring is fixedly connected at the edge of the conical hopper, a spray nozzle is fixedly connected at the lower end of the conical hopper through a mounting hole, and the conical hopper blocks raw water from directly contacting an ultrafiltration membrane between the cup body and a guide pipe and is sprayed by the spray nozzle.

Preferably, the fixing mechanism comprises a fixing ring, the lower end of the fixing ring is fixedly connected with a conical tube, the lower end of the conical tube is fixedly connected with the upper end of the guide tube, the inner side of the fixing ring is fixedly connected with a mesh plate, the upper end of the fixing ring is provided with a snap ring, the lower end of the cup body is provided with an opening, the opening extends into the fixed ring and is provided with a connecting part, the inner side of the snap ring is fixedly connected with the connecting part, the upper end of the snap ring is rotationally connected with two C-shaped hooks through pins, the lower ends of the hooks are fixedly connected with balls, the lower end of the fixing ring is provided with a clamping groove matched with the ball, the side wall of the clamping hook is fixedly connected with a brake block, two breach, two have been seted up to the edge of snap ring all be equipped with the locating piece in the breach, the upper end fixed connection of locating piece and solid fixed ring, gu fixed ring's upper end fixedly connected with packing ring.

Preferably, the pressurizing mechanism comprises a rotor, the rotor is sleeved in a casing, a cylindrical groove is formed in one end of the rotor, a through hole is formed in one side of the cylindrical groove, a baffle plate with an arc-shaped structure is arranged in the casing and is positioned below a pipe orifice of the exhaust pipe, the baffle plate is fixedly connected with one side of the rotor, an impeller is arranged in the cylindrical groove, one side of the casing is rotatably connected with a sleeve through a first sealing bearing, one end of the sleeve penetrates through the first sealing bearing and is fixedly connected with one side of the rotor coaxially, a cross shaft is rotatably connected in the sleeve through a second sealing bearing, one end of the cross shaft extends into the cylindrical groove and is fixedly connected with the impeller coaxially, a first motor is fixedly connected to the upper end of the cross plate, the output end of the first motor is fixedly connected with one end of the cross shaft, and a worm wheel is fixedly connected to the pipe wall of the sleeve, one side of worm wheel has the worm, the upper end fixedly connected with second motor of diaphragm, the output of second motor and the one end fixed connection of worm.

Preferably, a first bevel gear is fixedly connected to the shaft wall of the transverse shaft, a second bevel gear is meshed with one side of the first bevel gear, a transmission shaft is fixedly connected to the lower end of the second bevel gear, the transmission shaft is rotatably connected to the side wall of the transverse plate through a third sealing bearing, the lower end of the transmission shaft penetrates through the third sealing bearing and is fixedly connected with two transmission frames, a plurality of rotating shafts are rotatably connected between the two transmission frames through rolling bearings, the lower ends of the plurality of rotating shafts penetrate through the rolling bearings and are fixedly connected with stirring wheels, an inner gear ring is fixedly connected to the tank body through a transverse rod, a plurality of gears are meshed with the inner gear ring, and the plurality of gears are respectively fixedly connected to the shaft walls of the plurality of rotating shafts.

Preferably, a support ring is arranged in the shell and fixedly connected with one end of the baffle, and one end, far away from the baffle, of the support ring is fixedly connected with the rotor through a connecting rod.

Preferably, the left end upper side fixed connection water injection pipe of the jar body, and the one end of water injection pipe is equipped with the sealing plug, the right-hand member downside fixed connection return bend of the jar body, the one end of return bend extends to jar internal and fixedly connected with aeration head.

(III) advantageous effects

Compared with the prior art, the invention provides an aquatic microorganism metering device, which has the following beneficial effects:

1. compared with the prior art, when the suction-filtration type micro-organism filter is used, raw water in the cup body is sprayed out from the spray head on the cone hopper under the action of negative air pressure and falls on the ultrafiltration membrane, so that microorganisms in the raw water are not easy to block the ultrafiltration membrane, the filtering speed can be increased, and when the raw water in the cup body is reduced, impurities and bacteria in air can be adsorbed by using sterile water in the tank body, so that the situation that the mixed bacteria in the air are mixed into the ultrafiltration membrane to influence the metering result is avoided.

2. When the ultrafiltration cup is used, the intercepted ultrafiltration membrane wafer is placed on the mesh plate in the fixing ring, the cup body is inserted into the fixing ring, the connecting part at the lower end of the cup body presses an ultrafiltration membrane, the brake block is pressed by hands, the brake block is stressed to drive the clamping hook to swing around the pin, the round ball on the swing buckle is clamped with the clamping groove on the fixing ring, the clamping ring can be fixed on the fixing ring through the buckle, the ultrafiltration membrane is pressed by the connecting part, and the gasket is sealed between the fixing ring and the clamping ring, so that the ultrafiltration membrane can be conveniently and quickly disassembled, and the cup body can be conveniently disassembled for disinfection and cleaning.

3. When the device is used, the first motor drives the cross shaft to drive the impeller to rotate so as to push sterile water to flow, so that the sterile water enters the cup body through the hose to wash microorganisms, when raw water is pumped and filtered, the second motor, the worm gear and the sleeve drive the rotor to rotate 180 degrees, so that the through hole is communicated with the air inlet pipe, the opening of the water inlet pipe is blocked by the rotor, the impeller can apply thrust to air when rotating, so that the raw water is pumped and filtered, and meanwhile, the rotating shaft is driven to rotate by the first bevel gear, the second bevel gear, the transmission shaft, the transmission frame, the gear and the inner gear ring when the cross shaft rotates, so that the stirring wheel stirs the sterile water, and the sterile water is enabled to adsorb dust and bacteria in the air in the tank body.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for measuring microorganisms in water according to the present invention;

FIG. 2 is a schematic view of the internal structure of a cup body of the aquatic microorganism measuring apparatus according to the present invention;

FIG. 3 is a schematic structural diagram of a fixing ring and a mesh plate in an aquatic microorganism metering device according to the present invention;

FIG. 4 is a cross-sectional view of a snap ring and a cup of an aquatic microorganism measuring apparatus according to the present invention;

FIG. 5 is a schematic view of a snap ring and a hook of an underwater microorganism measurement device according to the present invention;

FIG. 6 is a schematic view of the internal structure of a tank of the aquatic microorganism measuring apparatus according to the present invention;

FIG. 7 is a schematic view of the structure of a pressurizing mechanism of the aquatic microorganism measuring device according to the present invention;

FIG. 8 is a schematic view of the structure of the rotor and the baffle plate of the aquatic microorganism metering device according to the present invention;

fig. 9 is a schematic structural diagram of an inner gear ring, a transmission frame and a stirring wheel in the aquatic microorganism metering device provided by the invention.

In the figure: 1. a tank body; 2. a cup cover; 3. a cup body; 4. a snap ring; 5. a fixing ring; 6. a box body; 7. a hook; 8. bending the pipe; 9. a rubber ring; 10. a conical hopper; 11. a circular ring; 12. a spray head; 13. positioning blocks; 14. a tapered tube; 15. a mesh plate; 16. a notch; 17. a ball; 18. a brake pad; 19. a partition plate; 20. a housing; 21. a water inlet pipe; 22. an exhaust pipe; 23. a drain pipe; 24. a worm gear; 25. a worm; 26. a first bevel gear; 27. a second motor; 28. a first motor; 29. a second bevel gear; 30. an inner gear ring; 31. a stirring wheel; 32. an aeration head; 33. a transverse plate; 34. a gear; 35. a transmission frame; 36. an impeller; 37. a rotor; 38. a baffle plate; 39. a support ring; 40. an air inlet pipe; 41. a sleeve; 42. through hole, 43, gasket.

Detailed Description

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

Example 1:

referring to the attached figures 1-9, an aquatic microorganism metering device comprises a tank body 1 and a tank body 6, wherein two guide pipes are fixedly connected to the upper end of the tank body 6, the pipe walls of the guide pipes are respectively connected with a control valve, the upper ends of the two guide pipes are respectively connected with a cup body 3, a negative pressure pipe is fixed to the upper end of the tank body 6, a drain valve is fixed to the left end of the tank body 6, a cup cover 2 is connected to the cup mouth of the upper end of the cup body 3 through a lock catch, two connecting pipes are connected to the upper end of the cup cover 2, a fixing mechanism is connected to the lower end of the cup body 3 and is connected with the upper ends of the guide pipes and is used for rapidly disassembling the cup body 3 and fixing an ultrafiltration membrane installed between the cup body 3 and the guide pipes, a partition plate 19 and a transverse plate 33 are fixedly connected in the tank body 1, a shell 20 is commonly connected between the partition plate 19 and the transverse plate 33, a pressurizing mechanism is arranged in the shell 20 and is used for conveying sterile water and clean air to the cup body 3 through a pipeline, the side walls of the partition plate 19 and the transverse plate 33 are respectively and fixedly connected with a water inlet pipe 21 and an air inlet pipe 40, the opposite ends of the water inlet pipe 21 and the air inlet pipe 40 are respectively and fixedly connected with the shell 20, the side wall of the tank body 1 is fixedly connected with an exhaust pipe 22 and a drain pipe 23, and one ends of the exhaust pipe 22 and the drain pipe 23 are respectively and fixedly connected with the shell 20;

fixedly connected with ring 11 in the cup 3, taper hopper 10 has been cup jointed in the ring 11, the edge fixedly connected with rubber ring 9 of taper hopper 10, the lower extreme that the taper hopper 10 was fought passes through mounting hole fixedly connected with shower nozzle 12, the ultra-filtration membrane between 10 direct contact cup 3 of the separation raw water direct contact of taper hopper 10 and the pipe, spout by shower nozzle 12, the left end upside fixed connection water injection pipe of the jar body 1, and the one end of water injection pipe is equipped with the sealing plug, the right-hand member downside fixedly connected with return bend 8 of the jar body 1, the one end of return bend 8 extends to jar internal and fixedly connected with aeration head 32.

When the invention is used, sterile water is injected into a tank body 1 through a bent pipe 8 and a water injection pipe, the two connecting pipes are respectively provided with a sterilized hose, then the two hoses are respectively connected to an exhaust pipe 22 and a drain pipe 23, an ultrafiltration membrane disc (not shown in the figure) with the diameter of 3.5cm is cut, the disc is placed in a fixing mechanism after sterilization, then the air inlet end of a vacuum pump (not shown in the figure) is connected with a negative pressure pipe, then raw water is led into a cup body 3, a cup cover 2 is fixed by a lock catch, then the vacuum pump is opened for evacuation, the raw water in the cup body 3 is sprayed out from a spray head 12 on a cone bucket 10 under the action of negative pressure of air and falls on an ultrafiltration membrane, and then the cone bucket 10 and the ultrafiltration membrane spray head 12 can be used for spraying the raw water onto the ultrafiltration membrane, so that microorganisms in the raw water are not easy to block the ultrafiltration membrane, the filtration speed can be increased, and when the raw water in the cup body 3 is reduced, negative pressure is generated in the tank body 1, at the moment, the negative pressure pumps gas in the tank body 1 through the hose and the exhaust pipe 22, when the gas in the tank body 1 is reduced, external air is supplemented through the bent pipe 8 and the aeration head 32, so that impurities and bacteria in the air can be adsorbed by using sterile water in the tank body 1, the situation that the mixed bacteria in the air are mixed into the ultrafiltration membrane and the metering result is influenced is avoided, after the raw water is filtered, the pressurizing mechanism is started to enable the sterile water above the partition plate 19 to enter the cup body 3 through the water inlet pipe 21, the shell 20, the drain pipe 23, the hose and the connecting pipe to wash the cup wall, and then microorganisms adhered to the cup wall are enriched on the ultrafiltration membrane in the filtering process.

Example 2: the difference is based on example 1;

referring to the attached drawings 2-5, the fixing mechanism comprises a fixing ring 5, the lower end of the fixing ring 5 is fixedly connected with a conical tube 14, the lower end of the conical tube 14 is fixedly connected with the upper end of the guide tube, the inner side of the fixing ring 5 is fixedly connected with a mesh plate 15, the upper end of the fixing ring 5 is provided with a snap ring 4, the lower end of the cup body 3 is provided with an opening, and opening department extends to in solid fixed ring 5 and is equipped with connecting portion, the inboard and the connecting portion fixed connection of snap ring 4, the upper end of snap ring 4 is connected with pothook 7 of two C shape structures through the pin rotation, the lower extreme fixedly connected with ball 17 of pothook 7, the lower extreme of solid fixed ring 5 is seted up with ball 17 matched with draw-in groove, the lateral wall fixedly connected with brake block 18 of pothook 7, two breach 16 have been seted up to the edge of snap ring 4, all be equipped with locating piece 13 in two breach 16, locating piece 13 and the upper end fixed connection of solid fixed ring 5, the upper end fixedly connected with packing ring 43 of solid fixed ring 5.

When the ultrafiltration cup is used, the intercepted ultrafiltration membrane wafer is placed on the mesh plate 15 in the fixing ring 5, the cup body 3 is inserted into the fixing ring 5, the connecting part at the lower end of the cup body 3 is pressed on an ultrafiltration membrane, the brake block 18 is pressed by a hand, the brake block 18 is forced to drive the clamping hook 7 to swing around the pin, the round ball 17 on the swinging clamping hook 7 is clamped with the clamping groove on the fixing ring 5, the clamping ring 4 can be fixed on the fixing ring 5 by utilizing the clamping hook 7, the ultrafiltration membrane is tightly pressed by the connecting part, and the gasket 43 is sealed between the fixing ring 5 and the clamping ring 4, so that the ultrafiltration membrane can be conveniently and quickly disassembled and the cup body 3 can be conveniently disinfected and cleaned.

Example 3: the difference is based on example 1;

referring to fig. 6-9, the pressurizing mechanism includes a rotor 37, the rotor 37 is sleeved in the casing 20, one end of the rotor 37 is provided with a cylindrical groove, one side of the cylindrical groove is provided with a through hole 42, a baffle 38 with an arc structure is arranged in the casing 20, the baffle 38 is positioned below the pipe orifice of the exhaust pipe 22, the baffle 38 is fixedly connected with one side of the rotor 37, an impeller 36 is arranged in the cylindrical groove, one side of the casing 20 is rotatably connected with a sleeve 41 through a first seal bearing, one end of the sleeve 41 passes through the first seal bearing and is coaxially and fixedly connected with one side of the rotor 37, a cross shaft is rotatably connected in the sleeve 41 through a second seal bearing, one end of the cross shaft extends into the cylindrical groove and is coaxially and fixedly connected with the impeller 36, the upper end of the cross plate 33 is fixedly connected with a first motor 28, the output end of the first motor 28 is fixedly connected with one end of the cross shaft, a worm wheel 24 is fixedly connected to the pipe wall of the sleeve 41, one side of the worm wheel 24 is engaged with the worm 25, the upper end of the transverse plate 33 is fixedly connected with the second motor 27, the output end of the second motor 27 is fixedly connected with one end of the worm 25, a support ring 39 is arranged in the housing 20, the support ring 39 is fixedly connected with one end of the baffle 38, one end of the support ring 39, which is far away from the baffle 38, is fixedly connected with the rotor 37 through a connecting rod, and the power input ends of the first motor 28 and the second motor 27 are both electrically connected with an external controller.

The horizontal shaft is fixedly connected with a first bevel gear 26 on the shaft wall of the horizontal shaft, one side of the first bevel gear 26 is meshed with a second bevel gear 29, the lower end of the second bevel gear 29 is fixedly connected with a transmission shaft, the transmission shaft is rotatably connected with the side wall of the horizontal plate 33 through a third sealing bearing, the lower end of the transmission shaft penetrates through the third sealing bearing and is fixedly connected with two transmission frames 35, a plurality of rotating shafts are rotatably connected between the two transmission frames 35 through rolling bearings, the lower ends of the plurality of rotating shafts penetrate through the rolling bearings and are fixedly connected with stirring wheels 31, an inner gear ring 30 is fixedly connected in the tank body 1 through a transverse rod, a plurality of gears 34 are meshed with the inner gear ring 30, and the plurality of gears 34 are respectively fixedly connected with the shaft walls of the plurality of rotating shafts.

Referring to fig. 7, when the pressurizing mechanism provided in the present invention is in use, sterile water above the partition plate 19 passes through the water inlet pipe 21 and enters the cylindrical tank through the through hole 42, the sterile water in the cylindrical tank is discharged through the water outlet pipe 23, when the first motor 28 is started to drive the cross shaft to rotate the impeller 36, the impeller 36 is rotated to push the sterile water to flow, so that the sterile water enters the cup body 3 through the hose to wash microorganisms, and when raw water is filtered, the second motor 27 is started to drive the worm 25 to rotate the worm wheel 24, the worm wheel 24 is rotated to drive the sleeve 41 to rotate the rotor 37, after the rotor 37 is rotated 180 degrees, the through hole 42 is communicated with the air inlet pipe 40, and the mouth of the water inlet pipe 21 is blocked by the rotor 37, at this time, the impeller 36 can apply a thrust force to air when rotating, which is beneficial to filtering raw water, and when air below the transverse plate 33 in the tank body 1 is reduced, outside air enters the tank body 1 through the elbow pipe 8 and the aeration head 32, meanwhile, the first bevel gear 26 is driven to rotate the second bevel gear 29 when the transverse shaft rotates, the second bevel gear 29 rotates to drive the transmission shaft to rotate the transmission frame 35, the transmission frame 35 drives the gear 34 to roll in the internal gear ring 30 when rotating, and the gear 34 rolls to drive the rotating shaft to enable the stirring wheel 31 to stir the sterile water, so that the sterile water adsorbs dust and bacteria in the air entering the tank body 1.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aquatic microorganism metering device, includes a jar body (1) and box (6), two pipes of upper end fixedly connected with of box (6), and all be connected with the control valve on the pipe wall of pipe, two the upper end of pipe all is connected with cup (3), the upper end of box (6) is fixed with the negative pressure pipe, the left end of box (6) is fixed with drain valve, its characterized in that: the cup cover (2) is connected to the cup mouth at the upper end of the cup body (3) through a lock catch, the upper end of the cup cover (2) is connected with two connecting pipes, the lower end of the cup body (3) is connected with a fixing mechanism, the fixing mechanism is connected with the upper end of the guide pipe, and the fixing mechanism is used for rapidly disassembling the cup body (3) and fixing an ultrafiltration membrane installed between the cup body (3) and the guide pipe;

a partition plate (19) and a transverse plate (33) are fixedly connected in the tank body (1), a shell (20) is connected between the partition plate (19) and the transverse plate (33) together, a pressurizing mechanism is arranged in the shell (20) and used for conveying sterile water and clean air into the cup body (3) through a pipeline, a water inlet pipe (21) and an air inlet pipe (40) are fixedly connected to the side walls of the partition plate (19) and the transverse plate (33) respectively, one ends, opposite to the water inlet pipe (21) and the air inlet pipe (40), of the water inlet pipe are fixedly connected with the shell (20), an exhaust pipe (22) and a drain pipe (23) are fixedly connected to the side wall of the tank body (1), and one ends of the exhaust pipe (22) and the drain pipe (23) are fixedly connected with the shell (20);

fixedly connected with ring (11) in cup (3), conical hopper (10) have been cup (11) endotheca, the edge fixedly connected with rubber ring (9) of conical hopper (10), the lower extreme of conical hopper (10) passes through mounting hole fixedly connected with shower nozzle (12), ultrafiltration membrane between conical hopper (10) separation raw water direct contact cup (3) and the pipe is spouted by shower nozzle (12).

2. An aquatic microorganism metering device according to claim 1, wherein: the fixing mechanism comprises a fixing ring (5), the lower end of the fixing ring (5) is fixedly connected with a conical tube (14), the lower end of the conical tube (14) is fixedly connected with the upper end of a guide pipe, the inner side of the fixing ring (5) is fixedly connected with a mesh plate (15), the upper end of the fixing ring (5) is provided with a clamping ring (4), the lower end of the cup body (3) is provided with an opening, the opening extends into the fixing ring (5) and is provided with a connecting part, the inner side of the clamping ring (4) is fixedly connected with the connecting part, the upper end of the clamping ring (4) is rotatably connected with two C-shaped clamping hooks (7) through pins, the lower end of each clamping hook (7) is fixedly connected with a round ball (17), the lower end of the fixing ring (5) is provided with a clamping groove matched with the round ball (17), and the side wall of each clamping hook (7) is fixedly connected with a brake block (18), two breach (16), two have been seted up to the edge of snap ring (4) all be equipped with locating piece (13) in breach (16), the upper end fixed connection of locating piece (13) and solid fixed ring (5), the upper end fixedly connected with packing ring (43) of solid fixed ring (5).

3. An aquatic microorganism metering device according to claim 1, wherein: the pressurizing mechanism comprises a rotor (37), the rotor (37) is sleeved in a shell (20), a cylindrical groove is formed in one end of the rotor (37), a through hole (42) is formed in one side of the cylindrical groove, a baffle plate (38) with an arc-shaped structure is arranged in the shell (20), the baffle plate (38) is located below a pipe orifice of the exhaust pipe (22), the baffle plate (38) is fixedly connected with one side of the rotor (37), an impeller (36) is arranged in the cylindrical groove, one side of the shell (20) is rotatably connected with a sleeve pipe (41) through a first sealing bearing, one end of the sleeve pipe (41) penetrates through the first sealing bearing and is fixedly connected with one side of the rotor (37) in a coaxial mode, a transverse shaft is rotatably connected in the sleeve pipe (41) through a second sealing bearing, one end of the transverse shaft extends into the cylindrical groove and is fixedly connected with the impeller (36) in the coaxial mode, the utility model discloses a motor, including the upper end fixedly connected with of diaphragm (33), the one end fixed connection of the output of first motor (28) and cross axle, fixedly connected with worm wheel (24) on the pipe wall of sleeve pipe (41), one side meshing of worm wheel (24) has worm (25), the upper end fixedly connected with second motor (27) of diaphragm (33), the output of second motor (27) and the one end fixed connection of worm (25).

4. A device for measuring microorganisms in water according to claim 3, wherein: the improved horizontal shaft structure is characterized in that a first bevel gear (26) is fixedly connected to the shaft wall of the transverse shaft, a second bevel gear (29) is meshed to one side of the first bevel gear (26), a transmission shaft is fixedly connected to the lower end of the second bevel gear (29), the transmission shaft is rotatably connected to the side wall of the transverse plate (33) through a third seal bearing, the lower end of the transmission shaft penetrates through the third seal bearing and is fixedly connected with two transmission frames (35), a plurality of rotating shafts are rotatably connected between the two transmission frames (35) through rolling bearings, the lower ends of the rotating shafts penetrate through the rolling bearings and are fixedly connected with stirring wheels (31), an inner gear ring (30) is fixedly connected to the tank body (1) through a transverse rod, a plurality of gears (34) are meshed with the inner gear ring (30), and the gears (34) are fixedly connected to the shaft walls of the rotating shafts respectively.

5. A device for measuring microorganisms in water according to claim 3, wherein: be equipped with support ring (39) in casing (20), support ring (39) and the one end fixed connection of baffle (38), the one end that baffle (38) were kept away from in support ring (39) is through connecting rod and rotor (37) fixed connection.

6. An aquatic microorganism metering device according to claim 1, wherein: the left end upper side fixed connection water injection pipe of the jar body (1), and the one end of water injection pipe is equipped with the sealing plug, the right-hand member downside fixedly connected with return bend (8) of the jar body (1), the one end of return bend (8) extends to in the jar body (1) and fixedly connected with aeration head (32).