CN117019415A - Micro-plastic flotation device in sea cucumber sample for experiment - Google Patents
Micro-plastic flotation device in sea cucumber sample for experiment Download PDFInfo
- Publication number
- CN117019415A CN117019415A CN202311300480.9A CN202311300480A CN117019415A CN 117019415 A CN117019415 A CN 117019415A CN 202311300480 A CN202311300480 A CN 202311300480A CN 117019415 A CN117019415 A CN 117019415A
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- box
- flotation
- overflow
- liquid
- sea cucumber
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- 238000005188 flotation Methods 0.000 title claims abstract description 82
- 241000251511 Holothuroidea Species 0.000 title claims abstract description 42
- 229920003023 plastic Polymers 0.000 title claims abstract description 35
- 239000004033 plastic Substances 0.000 title claims abstract description 35
- 238000002474 experimental method Methods 0.000 title claims description 7
- 239000007788 liquid Substances 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 230000029087 digestion Effects 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 9
- 239000008213 purified water Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 3
- 239000006260 foam Substances 0.000 description 14
- 229920000426 Microplastic Polymers 0.000 description 12
- 238000007790 scraping Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 239000008396 flotation agent Substances 0.000 description 3
- 241000238557 Decapoda Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/16—Flotation machines with impellers; Subaeration machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/145—Feed mechanisms for reagents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1462—Discharge mechanisms for the froth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0217—Mechanical separating techniques; devices therefor
- B29B2017/0248—Froth flotation, i.e. wherein gas bubbles are attached to suspended particles in an aerated liquid
Abstract
The invention relates to the technical field of marine product flotation, and particularly provides a micro-plastic flotation device in an experimental sea cucumber sample, which comprises a flotation tank, a gas-liquid conveying mechanism, a collecting mechanism and a driving mechanism, wherein the gas-liquid conveying mechanism comprises a conveying pipe and an electromagnetic three-way valve, the electromagnetic three-way valve is arranged at one end of the conveying pipe, and the conveying pipe is fixed at the bottom of the flotation tank; the collecting mechanism comprises an overflow box, the overflow box is arranged in the flotation box, the liquid discharge pump is arranged at the bottom of the overflow box, the collecting box is arranged in the overflow box, and the driving mechanism is used for driving the overflow box to move back and forth along the length direction of the flotation box. When the floating device is used for floating, the overflow box is driven by the driving mechanism to move back and forth along the length direction of the floating box, when the overflow box moves, sea cucumber digestion liquid flows into the overflow box with a lower opening, then enters the collecting box, micro-plastics are screened out by the collecting box, and the rest liquid is discharged into the overflow box from the bottom of the collecting box.
Description
Technical Field
The invention relates to the field of marine product flotation, in particular to a micro-plastic flotation device for experimental sea cucumber samples.
Background
The micro-plastics have the characteristics of small particle size, wide distribution and the like, so that the micro-plastics pose a great threat to the marine ecological system, and the micro-plastics exist in a plurality of marine organisms such as living crabs, lobsters and sea cucumbers and can be transferred along a food chain, so that potential harm is generated to human health.
The Chinese patent with the publication number of CN114459869B discloses a micro-plastic extraction and separation device in marine products, which comprises a digestion cup, a floating liquid storage bucket, a filter and a purified water tank, wherein the floating liquid storage bucket is fixed above the digestion cup, a liquid outlet pipe is arranged at the bottom of the floating liquid storage bucket, an outlet at the lower end of the liquid outlet pipe is positioned at the bottom in the digestion cup, an overflow port is arranged at the upper part of the side wall of the digestion cup, and the overflow port is connected with an overflow pipe; the height of the filter is lower than that of the overflow port, the filter is connected with a liquid inlet pipe, a filter membrane is arranged in the filter, and a filtrate pipe is arranged at the bottom of the filter; the purifying water tank is internally provided with a miniature peristaltic pump, an outlet of the miniature peristaltic pump is connected with a purifying water pipe, an overflow pipe, a liquid inlet pipe and the purifying water pipe are connected through a three-way valve, and the overflow pipe is communicated with the liquid inlet pipe or the purifying water pipe is communicated with the liquid inlet pipe through switching the three-way valve. However, this patent still suffers from a number of disadvantages: 1. part of the digestion liquid and the microplastic are easy to remain in the pipeline in the experimental operation, so that part of the microplastic cannot be collected. 2. When the microplastic in different sea cucumber samples is extracted for many times, the filter is required to be frequently disassembled and replaced, otherwise, the filter is easy to be blocked.
Disclosure of Invention
The invention aims to solve the technical problems that: the invention provides a micro-plastic flotation device for an experimental sea cucumber sample, which aims to solve the problem that partial residues are easy to generate in micro-plastic flotation in a sea cucumber micro-plastic extraction experiment.
The technical scheme adopted for solving the technical problems is as follows: the micro-plastic flotation device for the sea cucumber sample for experiments comprises a flotation box, a gas-liquid conveying mechanism, a collecting mechanism and a driving mechanism, wherein the flotation box is used for containing sea cucumber digestion liquid, the gas-liquid conveying mechanism comprises a conveying pipe and an electromagnetic three-way valve, the electromagnetic three-way valve is arranged at one end of the conveying pipe, the other two ends of the electromagnetic three-way valve are respectively communicated with an air inlet pipe and a liquid inlet pipe, and the conveying pipe is fixed at the bottom of the flotation box; the collecting mechanism comprises an overflow box, a liquid discharge pump and a collecting box, wherein the overflow box is arranged in the flotation box, two ends of the overflow box are in sliding connection with the inner wall of the flotation box, the liquid discharge pump is arranged at the bottom of the overflow box, the liquid discharge pump is used for discharging liquid in the overflow box into the flotation box, the collecting box is suspended in the air and is provided with a water filtering hole, the bottom of the collecting box is provided with a water filtering hole, the opening height of the overflow box is lower than the liquid level height of sea cucumber digestion liquid during flotation, the opening height of the collecting box is lower than the opening height of the overflow box, and the driving mechanism is used for driving the overflow box to move back and forth along the length direction of the flotation box.
Preferably, the gas-liquid conveying mechanism further comprises a diversion barrel, a rotary barrel, a plurality of discharge rods and a plurality of nozzles, wherein the diversion barrel is installed at the bottom of the flotation tank and is communicated with the conveying pipe, the rotary barrel is rotatably installed at the center of the diversion barrel, the bottom of the rotary barrel is communicated with the diversion barrel, the plurality of discharge rods are arranged at equal intervals along the peripheral surface of the rotary barrel and are communicated with the rotary barrel, the plurality of nozzles are horizontally arranged on the discharge rods, and the spraying directions of the plurality of nozzles are the same.
Preferably, a spoiler is further fixed on the discharge rod, the spoiler is obliquely arranged, and the spoiler and the nozzle are respectively fixed on two sides of the discharge rod.
Preferably, the filter device further comprises a filter mechanism, the filter mechanism comprises two filter cartridges, the two filter cartridges are arranged on two sides of the collecting box in a mirror symmetry mode, two ends of the filter cartridges are rotatably arranged in the overflow box, the filter cartridges are driven to rotate towards the inner side of the collecting box through a motor, scraping strips are fixed on the edge of the opening of the collecting box, and the scraping strips are in sliding connection with the peripheral surface of the filter cartridges.
Preferably, a spray pipe is further fixed at the top of the collecting box, and the spray pipe is communicated with a purified water conveying pipe.
Preferably, clamping blocks are fixed at two ends of the collecting box, clamping grooves for accommodating the clamping blocks are formed in the inner wall of the overflow box, the clamping blocks are in plug-in fit with the clamping grooves, and a handle is further fixed on the collecting box.
Preferably, the driving mechanism comprises two guide rails, two screw rods, a belt pulley and screw rod motors, the two guide rails are parallelly fixed on the inner walls of two sides of the flotation tank, the bottoms of the overflow tanks are slidably mounted on the guide rails, the screw rods are rotatably mounted below the guide rails in a one-to-one correspondence mode, the overflow tanks are in threaded connection with the screw rods through nut seats, the two screw rods are in transmission through the belt pulley, and the screw rod motors are used for driving one screw rod to rotate.
Preferably, an elastic shoveling plate is fixed on the front side and the rear side of the overflow box along the travelling direction of the overflow box, and the elastic shoveling plates are obliquely arranged and immersed into sea cucumber digestion liquid in the flotation box.
The beneficial effects of the invention are as follows: the invention is provided with a collecting mechanism, the collecting mechanism comprises an overflow box, a liquid discharge pump and a collecting box, when flotation is carried out, the opening height of the overflow box is lower than the liquid level of sea cucumber digestion liquid, the opening height of the collecting box is lower than the opening height of the overflow box, the overflow box is driven by a driving mechanism to move back and forth along the length direction of the flotation box, when the overflow box moves, a foam layer and part of sea cucumber digestion liquid suspended at the liquid level flow into the overflow box with lower opening, then the foam layer and part of sea cucumber digestion liquid enter the collecting box, micro-plastics in the foam layer are screened by the collecting box, the rest of liquid is discharged into the overflow box from a water filtering hole at the bottom of the collecting box, and the liquid discharged into the overflow box is discharged into the flotation box again after being pumped by the liquid discharge pump, so that the efficiency of extracting and separating micro-plastics in sea cucumbers is improved, and the loss rate of micro-plastics in the experimental operation process is reduced.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the drive mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the collection mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the filtering mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the collecting tank of the present invention;
FIG. 6 is a schematic view of the structure of the overflow tank of the present invention;
FIG. 7 is a schematic view of the structure of the gas-liquid conveying mechanism of the present invention;
fig. 8 is a schematic structural view of the discharging lever of the present invention.
Reference numerals: 1. a flotation tank; 2. a gas-liquid conveying mechanism; 3. a collection mechanism; 4. a driving mechanism; 5. a delivery tube; 6. an electromagnetic three-way valve; 7. an air inlet pipe; 8. a liquid inlet pipe; 9. an overflow box; 10. a liquid discharge pump; 11. a collection box; 12. a shunt barrel; 13. a rotary drum; 14. a discharge rod; 15. a nozzle; 16. a spoiler; 17. a filtering mechanism; 18. a filter cartridge; 19. scraping the strip; 20. a shower pipe; 21. a purified water delivery tube; 22. a clamping block; 23. a guide rail; 24. a screw rod; 25. a belt pulley; 26. a screw motor; 27. an elastic shoveling plate.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
As shown in fig. 1 to 8, the embodiment of the micro-plastic flotation device in the sea cucumber sample for experiments comprises a flotation tank 1, wherein the flotation tank 1 is used for containing sea cucumber digestion liquid, and further comprises a gas-liquid conveying mechanism 2, a collecting mechanism 3 and a driving mechanism 4, the gas-liquid conveying mechanism 2 comprises a conveying pipe 5 and an electromagnetic three-way valve 6, the electromagnetic three-way valve 6 is arranged at one end of the conveying pipe 5, the other two ends of the electromagnetic three-way valve 6 are respectively communicated with an air inlet pipe 7 and a liquid inlet pipe 8, the conveying pipe 5 is fixed at the bottom of the flotation tank 1, the sea cucumber digestion liquid is poured into the flotation tank 1 before experiments are carried out, so that micro-plastic in the sea cucumber digestion liquid is subjected to flotation, the electromagnetic three-way valve 6 is adjusted during flotation, the liquid inlet pipe 8 is communicated with the conveying pipe 5, then the sea cucumber digestion liquid is fed into the conveying pipe 5 from the bottom, then the electromagnetic three-way valve 6 is switched, the air inlet pipe 7 is communicated with the conveying pipe 5, then the air is discharged into the bottom of the flotation tank 1 to form ascending air bubbles, the sea cucumber digestion liquid and the micro-plastic in the sea cucumber digestion liquid is subjected to flotation tank 1 is subjected to the flotation, and the micro-plastic tissue is subjected to the micro-plastic flotation, and the sea cucumber digestion liquid is subjected to the micro-plastic flotation, and the micro-plastic flotation is carried out.
The collection mechanism 3 includes overflow box 9, drainage pump 10 and collecting box 11, overflow box 9 installs in flotation tank 1, the both ends of overflow box 9 and the inner wall sliding connection of flotation tank 1, drainage pump 10 installs in the bottom of overflow box 9, drainage pump 10 is arranged in discharging the liquid in the overflow box 9 into flotation tank 1, collecting box 11 unsettled setting is in overflow box 9, the bottom of collecting box 11 is equipped with the drainage hole, the top of collecting box 11 still is fixed with shower 20, shower 20 intercommunication has purified water conveyer pipe 21.
The collection mechanism 3 works on the principle that: when flotation is carried out, the open height of the overflow box 9 is lower than the liquid level of sea cucumber digestion liquid, the open height of the collecting box 11 is lower than the open height of the overflow box 9, the overflow box 9 is driven by the driving mechanism 4 to move back and forth along the length direction of the flotation box 1, when the overflow box 9 moves, a foam layer and part of sea cucumber digestion liquid suspended at the liquid level flow into the overflow box 9 with lower open and then enter the collecting box 11, micro-plastics in the foam layer are screened out through the collecting box 11, the rest of liquid is discharged into the overflow box 9 from a water filtering hole at the bottom of the collecting box 11, the liquid discharged into the overflow box 9 is pumped by the liquid discharging pump 10 and then is discharged into the flotation box 1 again, so that the circulating flow of sea cucumber digestion liquid is realized, in addition, after the foam layer enters the collecting box 11, purified water is sprayed into the collecting box 11 through the spray pipe 20, and further surplus liquid is washed away, and only micro-plastics are reserved in the collecting box 11, so that the micro-plastics are collected.
The gas-liquid conveying mechanism 2 further comprises a flow distribution barrel 12, a rotating barrel 13, a plurality of discharge rods 14 and a plurality of nozzles 15, wherein the flow distribution barrel 12 is arranged at the bottom of the flotation tank 1 and is communicated with the conveying pipe 5, the rotating barrel 13 is rotatably arranged at the center of the flow distribution barrel 12, the bottom of the rotating barrel 13 is communicated with the flow distribution barrel 12, the plurality of discharge rods 14 are arranged at equal intervals along the peripheral surface of the rotating barrel 13 and are communicated with the rotating barrel 13, the plurality of nozzles 15 are horizontally arranged on the discharge rods 14, the spraying directions of the plurality of nozzles 15 are the same, a spoiler 16 is further fixed on the discharge rods 14, the spoiler 16 is obliquely arranged, and the spoiler 16 and the nozzles 15 are respectively fixed on two sides of the discharge rods 14.
The working principle of the gas-liquid conveying mechanism 2 is as follows: when the flotation agent is fed into the conveying pipe 5, the flotation agent is sprayed out of the plurality of nozzles 15, so that the flotation agent is uniformly spread at the bottom of the flotation tank 1, when the gas is fed into the conveying pipe 5, the gas is sprayed out of the nozzles 15, the discharge rod 14 pushes the rotary drum 13 to rotate under the influence of interaction force, namely, the discharge rod 14 can spray the gas into the flotation tank 1 in the rotating process, so that bubbles can be uniformly distributed in the flotation tank 1, the flotation effect is improved, the discharge rod 14 can drive the spoiler 16 to rotate when moving, the flow of liquid in the flotation tank 1 is pushed by the spoiler 16, the fluidity of the liquid is improved, the bubbles and the microplastic can quickly float to the liquid level, the flotation efficiency is improved, the extraction and separation efficiency of the microplastic in the sea cucumber is improved, and the microplastic loss rate in the experimental operation process is reduced.
The filter mechanism 17 is further arranged, the filter mechanism 17 comprises two filter cartridges 18, the two filter cartridges 18 are arranged on two sides of the collecting box 11 in a mirror symmetry mode, two ends of each filter cartridge 18 are rotatably arranged in the overflow box 9, the filter cartridges 18 are driven to rotate towards the inner side of the collecting box 11 through a motor, scraping strips 19 are fixed on the open edge of the collecting box 11, and the scraping strips 19 are in sliding connection with the peripheral surface of the filter cartridges 18.
When the foam layer at the liquid level flows into the overflow box 9 from the opening of the overflow box 9, the foam layer and a small amount of liquid can cling to the inner wall of the overflow box 9 and flow downwards, at this time, the foam layer is firstly contacted with the filter cartridge 18, the micro plastics in the foam layer are blocked by the filter cartridge 18 and are adhered to the surface of the filter cartridge 18, the liquid passes through the filter cartridge 18 and directly flows into the bottom of the overflow box 9, when the filter cartridge 18 rotates, the micro plastics on the surface of the filter cartridge 18 can move to the scraping strip 19, and the micro plastics on the surface of the filter cartridge 18 are scraped into the collecting box 11 by the scraping strip 19, so that on one hand, the filtering and collecting of the micro plastics are realized, on the other hand, the filter cartridge 18 can be cleaned, and the filter cartridge 18 is prevented from being blocked, so that an experimenter can continuously extract the micro plastics in other sea cucumber samples.
The two ends of the collecting box 11 are fixedly provided with clamping blocks 22, the inner wall of the overflow box 9 is provided with clamping grooves for accommodating the clamping blocks 22, the clamping blocks 22 are matched with the clamping grooves in an inserting mode, the collecting box 11 is also fixedly provided with a handle, after all foam layers in the flotation box 1 overflow into the overflow box 9, the collecting box 11 can be lifted up to process micro-plastics in the collecting box 11 by grabbing the handle, then the collecting box 11 is cleaned up and then is put back into the overflow box 9, and the clamping blocks 22 are inserted into the clamping grooves in an inserting mode, so that the collecting box 11 can be installed.
The overflow box 9 is fixed with an elastic shoveling plate 27 along the front and back sides of the advancing direction of the overflow box, the elastic shoveling plates 27 are obliquely arranged and immersed into sea cucumber digestion liquid in the flotation box 1, the lower parts of the elastic shoveling plates 27 can extend into the lower part of the foam layer, partial foam is prevented from entering the bottom of the overflow box 9 when the overflow box 9 moves, when the overflow box 9 moves to the two ends of the flotation box 1, the elastic shoveling plates 27 are tightly pressed on the inner wall of the flotation box 1 and tightly attached to the flotation box 1, so that the foam close to the inner wall of the flotation box 1 can be completely extruded into the overflow box 9, and the collection effect on micro plastics is improved.
The driving mechanism 4 comprises two guide rails 23, two screw rods 24, a belt pulley 25 and a screw rod motor 26, wherein the two guide rails 23 are fixed on the inner walls of the two sides of the flotation tank 1 in parallel, the bottoms of the overflow tanks 9 are slidably mounted on the guide rails 23, the screw rods 24 are rotatably mounted below the guide rails 23 in one-to-one correspondence, the overflow tanks 9 are in threaded connection with the screw rods 24 through nut seats, the two screw rods 24 are in transmission through the belt pulley 25, and the screw rod motor 26 is used for driving one screw rod 24 to rotate.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention.
Claims (8)
1. The utility model provides a little plastics flotation device in sea cucumber sample for experiments, includes flotation tank (1), flotation tank (1) are used for holding sea cucumber digestion liquid, its characterized in that: the device comprises a flotation tank (1), and is characterized by further comprising a gas-liquid conveying mechanism (2), a collecting mechanism (3) and a driving mechanism (4), wherein the gas-liquid conveying mechanism (2) comprises a conveying pipe (5) and an electromagnetic three-way valve (6), the electromagnetic three-way valve (6) is arranged at one end of the conveying pipe (5), the other two ends of the electromagnetic three-way valve (6) are respectively communicated with an air inlet pipe (7) and a liquid inlet pipe (8), and the conveying pipe (5) is fixed at the bottom of the flotation tank (1);
the collecting mechanism (3) comprises an overflow box (9), a liquid discharge pump (10) and a collecting box (11), wherein the overflow box (9) is arranged in the flotation box (1), two ends of the overflow box (9) are in sliding connection with the inner wall of the flotation box (1), the liquid discharge pump (10) is arranged at the bottom of the overflow box (9), the liquid discharge pump (10) is used for discharging liquid in the overflow box (9) into the flotation box (1), the utility model discloses a flotation tank, including overflow tank (1), collection box (11), drive mechanism (4), collection box (11) unsettled setting is in overflow tank (9), the bottom of collection box (11) is equipped with the drainage hole, when carrying out the flotation, the uncovered height of overflow tank (9) is less than sea cucumber digestion solution's liquid level, the uncovered height of collection box (11) is less than the uncovered height of overflow tank (9), drive mechanism (4) are used for driving overflow tank (9) are followed the length direction round trip movement of flotation tank (1).
2. The experimental sea cucumber sample micro-plastic flotation device according to claim 1, wherein: the gas-liquid conveying mechanism (2) further comprises a diversion barrel (12), a rotary barrel (13), a plurality of discharge rods (14) and a plurality of nozzles (15), wherein the diversion barrel (12) is installed at the bottom of the flotation tank (1) and is communicated with the conveying pipe (5), the rotary barrel (13) is rotationally installed at the center of the diversion barrel (12), the bottom of the rotary barrel (13) is communicated with the diversion barrel (12), the plurality of discharge rods (14) are arranged at equal intervals along the peripheral surface of the rotary barrel (13) and are communicated with the rotary barrel (13), and the plurality of nozzles (15) are horizontally arranged on the discharge rods (14) and the spraying directions of the plurality of nozzles (15) are the same.
3. The experimental sea cucumber sample micro-plastic flotation device according to claim 2, wherein: the discharge rod (14) is also fixedly provided with a spoiler (16), the spoiler (16) is obliquely arranged, and the spoiler (16) and the nozzle (15) are respectively fixed on two sides of the discharge rod (14).
4. The experimental sea cucumber sample micro-plastic flotation device according to claim 1, wherein: still include filtering mechanism (17), filtering mechanism (17) include two cartridge filter (18), two cartridge filter (18) mirror symmetry sets up the both sides of collection box (11), the both ends of cartridge filter (18) are rotated and are installed in overflow case (9), cartridge filter (18) drive through the motor orientation collection box (11) inboard rotation, the open edge of collection box (11) is fixed with scrapes strip (19), scrape strip (19) with the global sliding connection of cartridge filter (18).
5. The experimental sea cucumber sample micro-plastic flotation device according to claim 1, wherein: the top of collecting box (11) is still fixed with shower (20), shower (20) intercommunication has purified water conveyer pipe (21).
6. The experimental sea cucumber sample micro-plastic flotation device according to claim 1, wherein: clamping blocks (22) are fixed at two ends of the collecting box (11), clamping grooves for accommodating the clamping blocks (22) are formed in the inner wall of the overflow box (9), the clamping blocks (22) are in plug-in connection with the clamping grooves, and a handle is further fixed on the collecting box (11).
7. The experimental sea cucumber sample micro-plastic flotation device according to claim 6, wherein: the driving mechanism (4) comprises two guide rails (23), two screw rods (24), a belt pulley (25) and a screw rod motor (26), wherein the two guide rails (23) are parallelly fixed on the inner walls of the two sides of the flotation tank (1), the bottom of the overflow tank (9) is slidably arranged on the guide rails (23), the screw rods (24) are rotatably arranged below the guide rails (23) in a one-to-one correspondence mode, the overflow box (9) is in threaded connection with the screw rods (24) through nut seats, two screw rods (24) are driven through belt pulleys (25), and the screw rod motor (26) is used for driving one screw rod (24) to rotate.
8. The experimental sea cucumber sample micro-plastic flotation device according to claim 1, wherein: the overflow box (9) is respectively fixed with an elastic shoveling plate (27) at the front side and the rear side along the advancing direction, and the elastic shoveling plates (27) are obliquely arranged and immersed into sea cucumber digestion liquid in the flotation box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311300480.9A CN117019415B (en) | 2023-10-10 | 2023-10-10 | Micro-plastic flotation device in sea cucumber sample for experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311300480.9A CN117019415B (en) | 2023-10-10 | 2023-10-10 | Micro-plastic flotation device in sea cucumber sample for experiment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117019415A true CN117019415A (en) | 2023-11-10 |
| CN117019415B CN117019415B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311300480.9A Active CN117019415B (en) | 2023-10-10 | 2023-10-10 | Micro-plastic flotation device in sea cucumber sample for experiment |
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|---|---|---|---|---|
| DE1175621B (en) * | 1962-02-14 | 1964-08-13 | Kloeckner Humboldt Deutz Ag | Centrifugal flotation cell |
| CN108837951A (en) * | 2018-06-13 | 2018-11-20 | 南开大学 | Micro- plastics separating flotation device and method in a kind of ambient soil and sediment sample |
| CN109655321A (en) * | 2018-11-07 | 2019-04-19 | 天津大学 | The floating and enriching device and its screening technique of micro- plastics |
| CN114392843A (en) * | 2022-02-11 | 2022-04-26 | 浙江省海洋水产研究所 | Micro-plastic flotation device in marine products |
| CN114459869A (en) * | 2022-01-26 | 2022-05-10 | 浙江省海洋水产研究所 | Micro-plastic extraction and separation device in marine products |
| CN115463745A (en) * | 2022-08-29 | 2022-12-13 | 河海大学 | Automatic extraction and enrichment device for micro-nano plastics in soil/sediment and using method thereof |
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| DE1175621B (en) * | 1962-02-14 | 1964-08-13 | Kloeckner Humboldt Deutz Ag | Centrifugal flotation cell |
| CN108837951A (en) * | 2018-06-13 | 2018-11-20 | 南开大学 | Micro- plastics separating flotation device and method in a kind of ambient soil and sediment sample |
| CN109655321A (en) * | 2018-11-07 | 2019-04-19 | 天津大学 | The floating and enriching device and its screening technique of micro- plastics |
| CN114459869A (en) * | 2022-01-26 | 2022-05-10 | 浙江省海洋水产研究所 | Micro-plastic extraction and separation device in marine products |
| CN114392843A (en) * | 2022-02-11 | 2022-04-26 | 浙江省海洋水产研究所 | Micro-plastic flotation device in marine products |
| CN115463745A (en) * | 2022-08-29 | 2022-12-13 | 河海大学 | Automatic extraction and enrichment device for micro-nano plastics in soil/sediment and using method thereof |
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