CN115711951B - Pesticide residue detection instrument equipment in water quality sample - Google Patents
Pesticide residue detection instrument equipment in water quality sample Download PDFInfo
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- CN115711951B CN115711951B CN202211384691.0A CN202211384691A CN115711951B CN 115711951 B CN115711951 B CN 115711951B CN 202211384691 A CN202211384691 A CN 202211384691A CN 115711951 B CN115711951 B CN 115711951B
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000000447 pesticide residue Substances 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 58
- 238000006243 chemical reaction Methods 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 3
- 239000011259 mixed solution Substances 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940079919 digestives enzyme preparation Drugs 0.000 description 1
- 229940088598 enzyme Drugs 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Automatic Analysis And Handling Materials Therefor (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a water quality sample pesticide residue detection instrument device, which comprises: the device comprises a detection machine table, wherein a carrying frame is fixed on one side of the upper end surface of the detection machine table, a placing disc is arranged on the carrying frame in a relatively rotatable manner, and a plurality of inner notches are uniformly formed in the circumference of the placing disc and used for taking and placing sample bottles; the upper end surface of the detection machine table is transversely fixed with a transmission frame, a driving seat is arranged on the transmission frame in a relatively sliding manner, and a liquid taking pipe is vertically arranged on the driving seat in a sliding manner and is used for correspondingly extracting water quality samples in all sample bottles; a mixed liquid reaction component is fixed on one side of the carrying frame on the detection machine, and the mixed liquid reaction component can mix the extracted water quality sample into the reaction liquid; the upper end face of the detection machine table is also provided with a chromatograph.
Description
Technical Field
The invention belongs to the technical field of water quality detection equipment, and particularly relates to pesticide residue detection instrument equipment for a water quality sample.
Background
At present, pesticides are widely applied to countries around the world, make great contribution to agricultural development, residues are easy to generate in use, the mode of detecting the pesticide residues is more at present, the most widely used method is gas chromatography, the operation is simple, the analysis speed is high, the sensitivity is high, up to 70% of pesticide residues can be rapidly detected through the gas chromatography, in the traditional detection process, workers are required to extract samples and perform liquid injection reaction one by one, the operation working intensity of detecting water quality samples in batches is high, particularly, long-time standing is required in the mixing of sample liquid and a reaction solvent so as to ensure that the reaction fusion effect is completely achieved, then the detection can be performed on the sample liquid, the single sample detection period is long, and a shaking device in the prior art has weak fluidity of the solution in a reaction bottle and still needs to perform long-time standing reaction.
Therefore, a person skilled in the art provides an apparatus for detecting pesticide residues on water samples, so as to solve the problems in the background art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: an aqueous sample pesticide residue detection instrument apparatus, comprising: the device comprises a detection machine table, wherein a carrying frame is fixed on one side of the upper end surface of the detection machine table, a placing disc is arranged on the carrying frame in a relatively rotatable manner, and a plurality of inner notches are uniformly formed in the circumference of the placing disc and used for taking and placing sample bottles; the upper end surface of the detection machine table is transversely fixed with a transmission frame, a driving seat is arranged on the transmission frame in a relatively sliding manner, and a liquid taking pipe is vertically arranged on the driving seat in a sliding manner and is used for correspondingly extracting water quality samples in all sample bottles; a mixed liquid reaction component is fixed on one side of the carrying frame on the detection machine, and the mixed liquid reaction component can mix the extracted water quality sample into the reaction liquid; the upper end face of the detection machine table is also provided with a chromatograph.
Further, preferably, the liquid-mixing reaction module includes: the device comprises a fixed body, a plurality of containing cavities are arranged in the fixed body, a reaction tube is arranged in the containing cavities in a sliding manner, a flowing liquid mixing device is vertically arranged on one side of each containing cavity in the fixed body, the flowing liquid mixing device can slide and stretch into the reaction tube, and a bubble removing exhaust device is further arranged in the fixed body.
Further, preferably, the flowing liquid mixing device includes: the guide frame is vertically fixed in the fixed machine body, the upper sliding of guide frame is provided with the axle support body, the vertical external seat that is fixed with on the axle support body, the lower terminal surface of external seat is concentric with the circle and is provided with the circulation pipe support, the circulation pipe support can slide and stretch into to the reaction tube in, the inside below of holding the chamber is provided with the roof position spare, the cross section of roof position spare is set up to semi-circular structure, just hold the intracavity and be provided with supporting spring, supporting spring with the roof position spare is connected, the range is provided with a plurality of compression springs on the circumference lateral wall of external seat, the annular support body has been cup jointed through compression spring to the below of external seat, the annular support body can be in vertical displacement with the circumference of reaction tube on the upper edge looks butt contact, just still be adjusted on the external seat and have the buffering ring, the buffering ring can be followed the vertical slip of reaction tube inner wall, the upper end of external seat still communicates the transfer tube.
Further, as an optimization, the lower end face of the circulation pipe rack is fixedly provided with a flow head, a drainage page part is arranged in the flow head and can rotate relatively, the circulation pipe rack is provided with a miniature motor, the output end of the miniature motor is fixed with the drainage page part, the middle part of the lower end face of the flow head is provided with a flow channel, the circulation pipe rack is symmetrically provided with an inner connecting pipe, the inner connecting pipe is communicated with the flow head, the circulation pipe rack is provided with a current collecting bin, the other end of the inner connecting pipe is communicated with the current collecting bin, the circulation pipe rack is fixedly provided with an upper liquid discharging seat, a plurality of channels are circumferentially arranged in the upper liquid discharging seat, and the channels are respectively communicated with the current collecting bin.
Further, as the preference, the middle part of going up the flowing back seat still vertically is provided with the inner tube, go up the flowing back seat internal embedding and be fixed with the circulation dish, the transfer pipe with the one end of inner tube is linked together, the other end of inner tube with communicate with each other on the circulation dish, a plurality of liquid chambers corresponding with the passageway have been seted up to the circumference on the circulation seat, liquid intracavity all slides and is provided with the ball valve, just liquid intracavity still is provided with the inner spring, the one end of inner spring with the ball valve is connected.
Further, preferably, the transfer tube is internally and quantitatively supplied with a solution developer.
Further, preferably, the bubble removal exhaust device includes: the side position frame is circumferentially distributed in the accommodating cavity, a plurality of connecting springs are arranged between the side position frame and the side wall of the accommodating cavity, a driving disc is arranged in the fixed machine body in a relatively rotatable mode, a sleeved ring frame is arranged in the accommodating cavity, the sleeved ring frame is slidably sleeved outside the reaction tube, a supporting rod piece is rotationally connected to the driving disc, and one end of the supporting rod piece is connected with the sleeved ring frame.
Further, preferably, a fixed collar is rotatably arranged in the sleeving ring frame, a plurality of air cavities are symmetrically formed in the fixed collar, plungers are slidably arranged in the air cavities, and one side of each plunger is connected with a top supporting plate through a limiting spring.
Further preferably, each air cavity is connected with a pulse pump through an air flow pipe, the displacement directions of the plungers at opposite sides are synchronous, and the air cavities are provided with row holes.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention mainly provides a placing tray which can be used for placing a plurality of sample bottles, so that a water quality sample is equally divided into one or a plurality of detection main bodies, the water quality sample is correspondingly extracted into a reaction tube by a liquid taking tube to perform reagent reaction, and the flowing liquid mixing device which is also provided can be used for actively discharging mixed solution in the reaction tube, so that the mixed solution can fully flow in the reaction tube, and particularly, a connecting tube which is also connected can be used for mixing a solution developer again in the flowing of the mixed solution, thereby ensuring the full integration of the solution developer and reducing the reaction time;
2. the bubble removal exhaust device particularly provided by the invention can assist in shaking the reaction tube, and each plunger can transmit vibration to the reaction tube main body at high frequency in sliding fit during shaking, so that bubbles at the inner wall of the reaction tube are completely broken, and residual gas flowing in the mixed solution can be discharged in an assisted manner, thereby ensuring the uniformity of the solution.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a liquid mixing reaction assembly according to the present invention;
FIG. 3 is a schematic diagram of a flow mixing device according to the present invention;
FIG. 4 is a schematic view of a flow head according to the present invention;
FIG. 5 is a schematic view of the bubble removal exhaust device according to the present invention;
FIG. 6 is a schematic view of a sleeved ring frame according to the present invention;
in the figure: 1. detecting a machine; 11. a carrying rack; 12. placing a tray; 13. a transmission rack; 14. a driving seat; 15. a liquid taking tube; 16. a chromatograph; 2. a liquid mixing reaction component; 21. a fixed body; 22. a reaction tube; 3. a flowing liquid mixing device; 31. a guide frame; 32. a shaft support body; 33. an outer joint seat; 34. a circulation pipe rack; 35. a compression spring; 36. a buffer loop; 37. a top piece; 38. a support spring; 39. a transfer tube; 4. a bubble removal exhaust device; 41. a side stand; 42. a connecting spring; 43. a drive plate; 44. a strut member; 5. a flow head; 51. A drainage sheet; 52. a micro motor; 53. an inner connecting pipe; 54. a collecting bin; 55. an upper liquid discharge seat; 56. an inner shaft tube; 57. a ball valve; 6. sleeving a ring frame; 61. a stationary collar; 62. a plunger; 63. an air cavity; 64. a limit spring; 65. and (5) arranging holes.
Detailed Description
Referring to fig. 1, in an embodiment of the present invention, a water quality sample pesticide residue detecting apparatus includes: the device comprises a detection machine table 1, wherein a carrying frame 11 is fixed on one side of the upper end surface of the detection machine table 1, a placing disc 12 is rotatably arranged on the carrying frame 11, and a plurality of inner notches are uniformly formed in the circumference of the placing disc 12 and used for taking and placing sample bottles; the upper end surface of the detection machine 1 is transversely fixed with a transmission frame 13, the transmission frame 13 is provided with a driving seat 14 which can slide relatively, and the driving seat 14 is vertically and slidably provided with a liquid taking pipe 15 for correspondingly extracting water quality samples in each sample bottle; a liquid mixing reaction component 2 is fixed on one side of the detection machine 1, which is positioned on the carrying frame 11, and the liquid mixing reaction component 2 can mix the extracted water quality sample into the reaction liquid; the chromatograph 16 is further disposed on the upper end surface of the detection machine 1, that is, the water quality samples can be uniformly distributed into one or more groups, when the water quality samples are extracted and detected, the mixed solution reaction component assists the water quality samples to be mixed, and the mixed solution after mixing can be placed in a measuring chamber channel in the chromatograph for measurement, so that the detection efficiency of pesticide residues is ensured and the detection precision is improved.
In this embodiment, the liquid mixing reaction module 2 includes: the fixed organism 21, be provided with a plurality of appearance chambeies in the fixed organism 21, hold the intracavity slidable and place be provided with reaction tube 22, be located each in the fixed organism 21 hold the equal vertical mobile mixed liquid device 3 that is provided with in one side in chamber, mobile mixed liquid device 3 can slide stretch into in the reaction tube 22, just still be equipped with in the fixed organism 21 and remove bubble exhaust apparatus 4, wherein the reaction tube is interior to be preferentially injected with enzyme preparation, after the liquid taking tube is taken out water quality sample to the reaction tube, mobile mixed liquid device can slide and stretch into in the reaction tube to supplementary flowing is flowing the flowing liquid, promotes solution reaction mixture, then can directly be through removing bubble exhaust apparatus to the residual gas discharge that gets into in the mixed solution, thereby guarantee mixed solution homogeneity, avoid influencing the testing result.
As a preferred embodiment, the flowing liquid mixing device 3 comprises: the guide frame 31 is vertically fixed in the fixed organism 21, the last slip of guide frame 31 is provided with the axle support body 32, the vertical outer seat 33 that is fixed with on the axle support body 32, the lower terminal surface concentric center of outer seat 33 is provided with circulation pipe support 34, circulation pipe support 34 can slide and stretch into in the reaction tube 22, the inside below of holding the chamber is provided with top position piece 37, the cross section of top position piece 37 is set up to semi-circular structure, just hold the intracavity and be provided with supporting spring 38, supporting spring 38 with top position piece 37 is connected, the range is provided with a plurality of compression springs 35 on the circumference lateral wall of outer seat 33, the below of outer seat 33 has cup jointed the ring support body through compression spring 35, the ring support body can be in the vertical displacement along the looks butt contact with the circumference of reaction tube 22 on the outer seat 33, and still adjust buffering circle 36 on the ring 36 can follow the vertical slip of reaction tube 22 inner wall, the upper end of outer seat 33 still communicates and is the adapter tube 39, wherein mainly has the body that is compressed to make the interior compression spring 35 of reaction tube continuous in the compression state of compression ring support body, thereby fully realizes the reaction tube and the reaction tube.
In this embodiment, the lower end surface of the circulation pipe rack 34 is fixed with a flow head 5, a flow discharging piece 51 is relatively rotatably disposed in the flow head 5, a micro motor 52 is mounted on the circulation pipe rack 34, an output end of the micro motor 52 is fixed with the flow discharging piece 51, a flow channel is disposed in the middle of the lower end surface of the flow head 5, inner pipes 53 are symmetrically disposed on the circulation pipe rack 34, the inner pipes 53 are communicated with the flow head 5, a collecting bin 54 is disposed on the circulation pipe rack 34, the other ends of the inner pipes 53 are communicated with the collecting bin 54, an upper liquid discharging seat 55 is fixed on the circulation pipe rack 34, a plurality of channels are circumferentially disposed in the upper liquid discharging seat 55, each channel is respectively communicated with the collecting bin 54, that is, the flow discharging piece can continuously rotate to introduce the mixed solution into the collecting bin through the flow channel, and discharge the mixed solution through the channels on the upper liquid discharging seat, so that a lower collecting and upper liquid circulating effect is formed in the reaction pipe, and a mixed solution circulation effect is improved.
In this embodiment, the middle part of the upper drain seat 55 is further vertically provided with an inner shaft tube 56, a circulation disk is fixedly embedded in the upper drain seat 55, the adapter tube 39 is communicated with one end of the inner shaft tube 56, the other end of the inner shaft tube 56 is communicated with the circulation disk, a plurality of liquid separating cavities corresponding to the channels are circumferentially formed in the circulation seat, ball valves 57 are slidably arranged in the liquid separating cavities, and an inner spring is further arranged in the liquid separating cavities, and one end of the inner spring is connected with the ball valves 57.
In this embodiment, the solution developer is quantitatively conveyed in the adapter tube 39, especially the solution developer in the adapter tube can flow to the channel in one direction through the liquid separating cavity, and is fully fused with the mixed solution in the channel, so as to further ensure the fusion effect.
As a preferred embodiment, the bubble removal exhaust device 4 includes: the side position frame 41 is circumferentially distributed in the accommodating cavity, a plurality of connecting springs 42 are arranged between the side position frame 41 and the side wall of the accommodating cavity, a driving disc 43 is arranged in the fixing machine body 21 and can rotate relatively, a sleeving ring frame 6 is arranged in the accommodating cavity, the sleeving ring frame 6 is slidably sleeved outside the reaction tube 22, a supporting rod piece 44 is rotationally connected to the driving disc 43, one end of the supporting rod piece 44 is connected with the sleeving ring frame 6, namely, the reaction tube swings under the condition of continuous low-speed rotation of the driving disc, and residual gas in the mixed solution can be discharged to the upper side and adhered to the side wall to form bubbles in the swing, so that the overall uniformity is kept before the solution detection.
In this embodiment, a fixed collar 61 is rotatably disposed in the socket ring frame 6, a plurality of air chambers 63 are symmetrically disposed on the fixed collar 61, a plunger 62 is slidably disposed in each air chamber 63, and a top supporting plate is connected to one side of the plunger 62 through a limiting spring 64.
In this embodiment, each air cavity 63 is connected with a pulse pump through an air flow pipe, and the displacement directions of the plungers 62 at opposite sides are synchronous, and the air cavities 63 are provided with a vent hole 65, especially, when the air bubbles are adhered to the side walls of the air cavities by swinging of the reaction pipes, continuous air supply of the pulse pumps is performed at this time, so that the plungers can displace and slide through the vent hole, the vent hole timely discharges the air, and the plungers can slide and reset, thereby forming multidirectional Gao Pinchuan vibration to the reaction pipes and forming a bumping effect to the air bubbles.
Specifically, the water quality sample can be divided into one or more sample bottles, the liquid taking pipe is used for pumping the water quality sample into the reaction pipes one by one at the moment, so that the water quality sample is mixed with enzyme preparations in the reaction pipes, then the flowing liquid mixing device is used for assisting the water quality sample in mixing solutions, the solution color reagent is gradually added in the flowing process, the reaction pipes are enabled to swing under the continuous low-speed rotation of the driving disc after the water quality sample is completely fused, the high-frequency vibration of the reaction pipe main body is transmitted by matching with the sliding displacement action of the plunger at the moment, the effect of crashing bubbles formed on the side walls is achieved, the uniformity of the solutions is guaranteed, and finally the water quality sample is placed into the chromatograph for measurement.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. A water quality sample pesticide residue detecting instrument and device is characterized in that: it comprises the following steps: the device comprises a detection machine table (1), wherein a carrying frame (11) is fixed on one side of the upper end surface of the detection machine table (1), a placing disc (12) is arranged on the carrying frame (11) in a relatively rotatable mode, and a plurality of inner notches are uniformly formed in the circumference of the placing disc (12) and used for taking and placing sample bottles; the upper end face of the detection machine table (1) is transversely fixed with a transmission frame (13), a driving seat (14) is arranged on the transmission frame (13) in a relatively sliding manner, and a liquid taking pipe (15) is vertically arranged on the driving seat (14) in a sliding manner and is used for correspondingly extracting water quality samples in various sample bottles; a liquid mixing reaction component (2) is fixed on one side of the detection machine table (1) positioned on the carrying frame (11), and the liquid mixing reaction component (2) can mix the extracted water quality sample into the reaction liquid; the upper end face of the detection machine table (1) is also provided with a chromatograph (16);
the liquid mixing reaction component (2) comprises: the device comprises a fixed machine body (21), wherein a plurality of containing cavities are formed in the fixed machine body (21), reaction pipes (22) are slidably arranged in the containing cavities, a flowing liquid mixing device (3) is vertically arranged on one side, located in each containing cavity, of the fixed machine body (21), the flowing liquid mixing device (3) can slidably extend into the reaction pipes (22), and a bubble removal exhaust device (4) is further arranged in the fixed machine body (21);
the flowing liquid mixing device (3) comprises: the guide frame (31) is vertically fixed in the fixing machine body (21), the guide frame (31) is provided with a shaft frame body (32) in a sliding manner, an external connection seat (33) is vertically fixed on the shaft frame body (32), a circulating pipe rack (34) is concentrically arranged on the lower end face of the external connection seat (33), the circulating pipe rack (34) can slide and extend into the reaction tube (22), a top position piece (37) is arranged below the inside of the accommodating cavity, the cross section of the top position piece (37) is of a semicircular structure, a supporting spring (38) is arranged in the accommodating cavity, the supporting spring (38) is connected with the top position piece (37), a plurality of compression springs (35) are arranged on the circumferential side wall of the external connection seat (33), a ring frame body is sleeved below the external connection seat (33) through the compression springs (35), the ring frame body can be in abutting contact with the circumference of the reaction tube (22) in a vertical displacement manner, the ring frame body is further provided with a buffer ring (36) in an abutting manner, and the buffer ring (33) can be connected with the buffer tube (22) in a sliding manner along the inner wall (39);
the circulating pipe rack (34) is characterized in that a flow head (5) is fixed on the lower end face of the circulating pipe rack (34), a drainage page part (51) is arranged in the flow head (5) and can rotate relatively, a miniature motor (52) is arranged on the circulating pipe rack (34), the output end of the miniature motor (52) is fixed with the drainage page part (51), a flow channel is arranged in the middle of the lower end face of the flow head (5), an inner connecting pipe (53) is symmetrically arranged on the circulating pipe rack (34), the inner connecting pipe (53) is communicated with the flow head (5), a collecting bin (54) is arranged on the circulating pipe rack (34), the other end of the inner connecting pipe (53) is communicated with the collecting bin (54), an upper liquid discharging seat (55) is fixed on the circulating pipe rack (34), a plurality of channels are circumferentially arranged in the upper liquid discharging seat (55), and each channel is respectively communicated with the collecting bin (54);
an inner shaft tube (56) is further vertically arranged in the middle of the upper liquid discharge seat (55), a circulation disk is fixedly embedded in the upper liquid discharge seat (55), the switching tube (39) is communicated with one end of the inner shaft tube (56), the other end of the inner shaft tube (56) is communicated with the circulation disk, a plurality of liquid separation cavities corresponding to the channels are circumferentially arranged on the circulation seat, ball valves (57) are slidably arranged in the liquid separation cavities, an inner spring is further arranged in the liquid separation cavities, and one end of the inner spring is connected with the ball valves (57);
the bubble removal exhaust device (4) comprises: the side position frames (41) are circumferentially distributed in the accommodating cavity, a plurality of connecting springs (42) are arranged between the side position frames (41) and the side wall of the accommodating cavity, a driving disc (43) is arranged in the fixing machine body (21) and can rotate relatively, a sleeving ring frame (6) is arranged in the accommodating cavity, the sleeving ring frame (6) is sleeved outside the reaction tube (22) in a sliding mode, a supporting rod piece (44) is connected onto the driving disc (43) in a rotating mode, and one end of the supporting rod piece (44) is connected with the sleeving ring frame (6);
a fixed collar (61) is arranged in the sleeving ring frame (6) in a relatively rotatable manner, a plurality of air cavities (63) are symmetrically formed in the fixed collar (61), a plunger (62) is slidably arranged in each air cavity (63), and one side of the plunger (62) is connected with a top supporting plate through a limiting spring (64);
the air cavities (63) are connected with pulse pumps through air flow pipes, the displacement directions of plungers (62) on opposite sides are synchronous, and the air cavities (63) are provided with row holes (65).
2. The water quality sample pesticide residue detection instrument device according to claim 1, wherein: the transfer tube (39) is internally and quantitatively conveyed with a solution color reagent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211384691.0A CN115711951B (en) | 2022-11-07 | 2022-11-07 | Pesticide residue detection instrument equipment in water quality sample |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211384691.0A CN115711951B (en) | 2022-11-07 | 2022-11-07 | Pesticide residue detection instrument equipment in water quality sample |
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| CN115711951A CN115711951A (en) | 2023-02-24 |
| CN115711951B true CN115711951B (en) | 2023-12-15 |
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| CN202211384691.0A Active CN115711951B (en) | 2022-11-07 | 2022-11-07 | Pesticide residue detection instrument equipment in water quality sample |
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| CN116953179B (en) * | 2023-09-21 | 2023-12-26 | 兰州市食品药品检验检测研究院 | Device and method for detecting pesticide residues in traditional Chinese medicinal materials |
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