CN113533234A - Atomic absorption spectrophotometry water quality monitoring device - Google Patents
Atomic absorption spectrophotometry water quality monitoring device Download PDFInfo
- Publication number
- CN113533234A CN113533234A CN202110852056.XA CN202110852056A CN113533234A CN 113533234 A CN113533234 A CN 113533234A CN 202110852056 A CN202110852056 A CN 202110852056A CN 113533234 A CN113533234 A CN 113533234A
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- water
- adjusting
- plate
- fixedly connected
- water taking
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 238000003321 atomic absorption spectrophotometry Methods 0.000 title claims abstract description 21
- 238000012806 monitoring device Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims description 25
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 24
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 24
- 241001330002 Bambuseae Species 0.000 abstract description 24
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 24
- 239000011425 bamboo Substances 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 7
- 238000005070 sampling Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/3103—Atomic absorption analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
Abstract
The application relates to a water quality monitoring device by atomic absorption spectrophotometry, which comprises a water taking assembly for taking a water sample, wherein the water taking assembly comprises a water taking barrel and a sealing cover, and the sealing cover is inserted in the water taking barrel in a sliding manner; the water taking cylinder and the sealing cover are connected with a finishing component for adjusting the relative position between the water taking cylinder and the sealing cover; a section of thick bamboo of fetching water is connected with and is used for receiving and put the subassembly of receiving of a section of thick bamboo of fetching water, and this application has the representative effect that improves the test data.
Description
Technical Field
The application relates to the technical field of water quality monitoring, in particular to a water quality monitoring device by atomic absorption spectrophotometry.
Background
Atomic absorption spectrophotometry, atomic absorption method for short, is a method for carrying out element quantitative analysis by utilizing the absorption characteristics of atomic vapor in the ground state of an element to be detected to resonant radiation; the atomic absorption spectrophotometry water quality monitoring device is equipment required for detecting water quality by utilizing an atomic absorption spectrophotometry; when the water quality is detected, the sampling of the water quality is related to the detection result of the whole water area.
When existing water quality is sampled, workers often sample water quality by using open containers on the bank.
In view of the above-mentioned related art, the inventor thinks that the staff utilizes the open container to take a sample on the bank, has the quality of water that can not take a sample to the different degree of depth, and then has reduced the representative defect of detection data.
Disclosure of Invention
In order to improve the representativeness of the detection data, the application provides a water quality monitoring device by atomic absorption spectrophotometry.
The application provides an atomic absorption spectrophotometry water quality monitoring device, adopts following technical scheme: the water taking assembly comprises a water taking barrel and a sealing cover, and the sealing cover is inserted in the water taking barrel in a sliding manner; the water taking cylinder and the sealing cover are connected with a finishing component for adjusting the relative position between the water taking cylinder and the sealing cover; the water taking barrel is connected with a collecting component used for collecting and placing the water taking barrel.
Through adopting above-mentioned technical scheme, the setting of collecting the subassembly can be convenient for the staff and select the appropriate time to receive and put a section of thick bamboo of fetching water, and the setting of the subassembly of finishing simultaneously can be convenient for the staff to adjust the relative position between a section of thick bamboo of fetching water and the sealed lid, and then the staff of being convenient for takes the water sample of the different degree of depth, has improved the accuracy of testing data this moment.
Preferably, the finish opening assembly comprises a finish opening frame, an adjusting column, an adjusting spring, an adjusting rope and a floating plate; both end seals of the finish opening frame are fixedly connected with the circumferential outer wall of the water taking barrel; the adjusting column is vertically and fixedly connected to the upper surface of the sealing cover, and the remaining end of the adjusting column penetrates through the finish opening frame and is in sliding connection with the finish opening frame; the adjusting spring is sleeved on the circumferential outer wall of the adjusting column and is positioned between the cover plate and the finish opening frame; one end of the adjusting rope is fixedly connected with the adjusting column, and a winding component for adjusting the distance between the floating plate and the connecting column is connected between the remaining end and the floating plate
Through adopting above-mentioned technical scheme, when using to open the relative position between complete subassembly regulation water intaking section of thick bamboo and the sealed lid, only need control to adjust the length of rope, when adjusting the rope and being in the flare-out, under water intaking section of thick bamboo action of gravity and the buoyancy dual function of kickboard, adjust the post and drive sealed lid and break away from in the water intaking section of thick bamboo, adjust the length of rolling up the rope through the rolling subassembly, reach the effect that the staff of being convenient for adopted the different degree of depth water samples, and then reached the effect that improves the detection data representativeness.
Preferably, the winding assembly comprises an installation plate, a rotating shaft, a winding roller, a rotating plate and a locking bolt; the mounting plate is vertically and fixedly connected to the lower surface of the floating plate, the rotating shaft penetrates through the mounting plates and is rotatably connected with the mounting plates, the winding roller is positioned between the two mounting plates, and the winding roller is sleeved on the circumferential outer wall of the rotating shaft and is coaxially and fixedly connected with the rotating shaft; the rotating plate is fixedly connected with one end of the rotating shaft; the connecting bolt penetrates through the rotating plate and is abutted against the mounting plate; the remaining end of the adjusting rope is fixedly connected with the winding roller.
Through adopting above-mentioned technical scheme, when using the length of rolling subassembly adjustment regulation rope, only need rotate the commentaries on classics board, change the board and drive the pivot and rotate, realize receiving and releasing to the regulation rope according to the difference of pivot rotation direction, and then realize the length of adjustment regulation rope, when the length of adjusting the rope reaches the requirement, rotate the locking bolt, the locking bolt supports tight mounting panel, and then has accomplished the use of whole hand roll subassembly, has reached the effect that makes things convenient for the staff to use.
Preferably, the collecting component comprises two connecting ropes and two collecting ropes, and one end of each connecting rope is fixedly connected with the circumferential outer wall of the water taking barrel; one end of the water taking barrel is kept away from by the two connecting ropes and is fixedly connected with the collecting rope.
Through adopting above-mentioned technical scheme, the setting of connecting the rope has guaranteed that the water intaking section of thick bamboo is collecting the stability of in-process, collects the setting of rope and is convenient for the staff to collect the water intaking section of thick bamboo.
Preferably, the water intaking section of thick bamboo lower surface is connected with the counter weight subassembly, and the counter weight subassembly includes balancing weight and counter weight nail, and the perpendicular fixed connection of counter weight nail is on the balancing weight upper surface, and the counter weight nail run through the water intaking section of thick bamboo lower surface and with water intaking section of thick bamboo threaded connection.
By adopting the technical scheme, when in use, the counterweight nail penetrates through the lower surface of the water taking cylinder and is in threaded connection with the water taking cylinder; the arrangement of the counterweight component can ensure that the water taking barrel can fall to a desired height.
Preferably, the fixed surface of balancing weight is connected with the spread groove, spread groove and balancing weight nail looks adaptation.
Through adopting above-mentioned technical scheme, the staff of being convenient for of setting up of spread groove connects new balancing weight in balancing weight below, and then has reached and has made things convenient for the staff to use, guarantees simultaneously that a water intaking section of thick bamboo can dive suitable degree of depth.
Preferably, an inserting nail is arranged between the side wall of the winding roller, which is close to the rotating plate, and the mounting plate; the mounting plate is provided with splicing holes which are uniformly formed along the circumferential direction of the winding roller; the inserting nail is inserted in the inserting hole in a sliding way.
Through adopting above-mentioned technical scheme, after the staff rotated locking bolt and supported tight mounting panel, under locking bolt's effect, the grafting nail removed to the one side that is close to the spliced eye, until the grafting nail is pegged graft in the spliced eye, and then improved rolling assembly's stability in use.
Preferably, the plug pins are gradually pointed from one end far away from the rotating plate to one end close to the rotating plate.
By adopting the technical scheme, the tip-shaped plug hole is more convenient for the plug nail to be plugged in the plug hole.
Preferably, one end of the rotating shaft, which is far away from the rotating plate, is fixedly connected with an adjusting plate, and a pressure spring is arranged between the adjusting plate and the mounting plate; the compression spring is sleeved on the circumferential outer wall of the rotating shaft.
Through adopting above-mentioned technical scheme, when locking bolt does not support tight mounting panel, under the effect of pressure spring, the spliced eye is kept away from to the pivot drive spliced eye, and then realizes the effect that the staff of being convenient for used.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the water taking assembly, the after-opening assembly and the collecting assembly are matched for use, so that the convenience in use is guaranteed, meanwhile, workers can test different water areas, and the effect of improving data representativeness is achieved;
2. the winding assembly is arranged, so that the length of the adjusting rope can be conveniently adjusted by a worker, the worker can conveniently sample water at different depths, and the effect of facilitating the use of the worker is achieved;
3. the setting of regulating plate can realize, when the staff did not fix the length of adjusting the rope, the grafting nail was not pegged graft in the spliced eye.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a cross-sectional view showing the take-up assembly;
fig. 3 is a sectional view showing the weight assembly.
In the figure, 1, a water taking assembly; 11. a water taking cylinder; 12. a sealing cover; 2. a finish assembly; 21. opening a finishing frame; 22. an adjustment column; 23. adjusting the spring; 24. adjusting the rope; 25. a floating plate; 3. a take-up assembly; 31. connecting ropes; 32. collecting the rope; 4. a winding component; 41. mounting a plate; 42. a rotating shaft; 43. a wind-up roll; 44. rotating the plate; 45. locking the bolt; 5. a counterweight assembly; 51. a balancing weight; 511. connecting grooves; 52. a counterweight nail; 6. inserting nails; 61. inserting holes; 7. an adjusting plate; 8. and (5) pressing a spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a water quality monitoring device by atomic absorption spectrophotometry.
Referring to fig. 1 and 2, the atomic absorption spectrophotometry water quality monitoring device comprises a water taking assembly 1 for taking a water sample, wherein the water taking assembly 1 comprises a water taking barrel 11 and a sealing cover 12, the water taking barrel 11 is of a cylindrical structure with a closed bottom end, and the sealing cover 12 is inserted at the top end of the water taking barrel 11 in a sliding manner and seals the water taking barrel 11; get a water section of thick bamboo 11 and sealed lid 12 and be connected with and be used for adjusting getting water section of thick bamboo 11 and sealed 12 between the relative position open complete subassembly 2, get a water section of thick bamboo 11 and be connected with the subassembly 3 that collects that is used for receiving a water section of thick bamboo 11, collect subassembly 3 including connecting rope 31 and collecting rope 32, it is provided with two to connect rope 31, and connect 31 one end of rope and 11 circumference outer wall fixed connections of a water section of thick bamboo, connect 31 remaining one end interconnect of rope and with connect the rope 31 keep away from the one end of a water section of thick bamboo 11 all with collect rope 32 fixed connection.
Referring to fig. 1 and 2, when the water sampling device is used, the water sampling tube 11 is placed in water to be sampled, and at the moment, a worker holds the collecting rope 32 by hand, and with the continuous descending of the water sampling tube 11, under the matching action of the finishing assembly 2, the relative position between the cover plate and the water sampling tube 11 is adjusted, so that water samples at different depths are collected; the effect of being convenient for the staff to use has been reached, has improved the representativeness of detection data simultaneously.
Referring to fig. 1 and 2, the finish assembly 2 includes a finish frame 21, an adjusting column 22, an adjusting spring 23, an adjusting rope 24 and a floating plate 25, both ends of the finish frame 21 are fixedly connected with the circumferential outer wall of the water intake tube 11, the adjusting column 22 is of a cylindrical structure, the adjusting column 22 is vertically and fixedly connected to the upper surface of the cover plate, and the top end of the adjusting column 22 penetrates through the finish frame 21 and is slidably connected with the finish frame 21; the adjusting spring 23 is sleeved on the circumferential outer wall of the adjusting column 22, and the adjusting spring 23 is positioned between the adjusting frame and the cover plate; one end of the adjusting rope 24 is fixedly connected with the adjusting column 22, and a winding component 4 for adjusting the distance between the floating plate 25 and the connecting column is arranged between the remaining end and the floating plate 25.
Referring to fig. 1 and 2, the winding assembly 4 includes two mounting plates 41, a mounting shaft, a winding roller 43, a rotating plate 44 and a locking bolt 45, the mounting plates 41 are vertically and fixedly connected to the lower surface of the floating plate 25, and the two mounting plates 41 are parallel; the rotating shaft 42 penetrates through the mounting plates 41 and is rotatably connected with the mounting plates 41, the winding roller 43 is positioned between the two mounting plates 41, and the winding roller 43 is sleeved on the circumferential outer wall of the rotating shaft 42 and is coaxially and fixedly connected with the rotating shaft 42; the rotating plate 44 is fixedly connected with one end of the rotating shaft 42, and the connecting bolt penetrates through the rotating plate 44 and abuts against the mounting plate 41; an inserting nail 6 is arranged between the side wall of the winding roller 43 close to the rotating plate 44 and the mounting plate 41, and the inserting nail 6 is gradually pointed from one end far away from the rotating plate 44 to one end close to the rotating plate 44; the mounting plate 41 is provided with splicing holes 61, the splicing holes 61 are uniformly formed along the circumferential direction of the winding roller 43, and the splicing nails 6 are inserted in the splicing grooves in a sliding manner; an adjusting plate 7 is fixedly connected to one end of the rotating shaft 42, which is far away from the rotating plate 44, a pressure spring 8 is arranged between the adjusting plate 7 and the mounting plate 41, and the pressure spring 8 is slidably sleeved on the circumferential outer wall of the rotating shaft 42.
Referring to fig. 1 and 2, before the collecting assembly 3 is used, the length of the adjusting rope 24 is first adjusted, and at this time, only the rotating plate 44 needs to be rotated, and the rotating plate 44 drives the rotating shaft 42 to rotate clockwise or counterclockwise, so as to adjust the length of the adjusting rope 24; when adjusting rope 24 and being in the state of straightening, under the buoyancy of kickboard 25 and water intaking section of thick bamboo 11 self action of gravity, the water intaking section of thick bamboo 11 is kept away from to the apron, and rivers are to in the water intaking section of thick bamboo 11 this moment, and after getting full water, the staff draws and collects rope 32, and under regulating spring 23's effect, the apron resets, realizes the apron to the sealed of water intaking section of thick bamboo 11.
Referring to fig. 1 and 3, the lower surface of the water intake tube 11 is connected with a counterweight assembly 5, the counterweight assembly 5 comprises a counterweight block 51 and a counterweight nail 52, the counterweight nail 52 is vertically and fixedly connected to the upper surface of the counterweight block 51, and the counterweight nail 52 penetrates through the lower surface of the water intake tube 11 and is in threaded connection with the water intake tube 11; the lower surface of the balancing weight 51 is provided with a connecting groove 511 matched with the balancing weight nail 52, and when a plurality of balancing weight components 5 are needed, the balancing weight nail 52 is inserted in the connecting groove 511 and is in threaded connection with the upper balancing weight 51. The setting of balancing weight 51 is including getting a water section of thick bamboo 11 can dive the degree of depth that requires, and then the staff of being convenient for takes a sample to the water of the different degree of depth, finally reaches the effect that improves the detection data representativeness.
The implementation principle of the atomic absorption spectrophotometry water quality monitoring device in the embodiment of the application is as follows: the relative position between water barrel 11 and the apron is prepared through the control and the water of the different degree of depth is realized taking a sample, and the relative position between control water intaking barrel 11 and the apron, then utilized the buoyancy of kickboard 25 and the gravity of water intaking barrel 11, the length through adjustment regulation rope 24 realizes taking a sample the water of the different degree of depth simultaneously, has reached and has made things convenient for the staff to use the representativeness that has improved the detection data simultaneously.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. An atomic absorption spectrophotometry water quality monitoring device is characterized in that: the water taking assembly comprises a water taking assembly (1) for taking a water sample, wherein the water taking assembly (1) comprises a water taking cylinder (11) and a sealing cover (12), and the sealing cover (12) is inserted in the water taking cylinder (11) in a sliding manner; the water taking cylinder (11) and the sealing cover (12) are connected with a finishing component (2) for adjusting the relative position between the water taking cylinder (11) and the sealing cover (12); the water taking barrel (11) is connected with a collecting component (3) for collecting and releasing the water taking barrel (11).
2. The atomic absorption spectrophotometry water quality monitoring device according to claim 1, characterized in that: the finish opening assembly (2) comprises a finish opening frame (21), an adjusting column (22), an adjusting spring (23), an adjusting rope (24) and a floating plate (25); both end seals of the finish opening frame (21) are fixedly connected with the circumferential outer wall of the water taking barrel (11); the adjusting column (22) is vertically and fixedly connected to the upper surface of the sealing cover (12), and the remaining end of the adjusting column (22) penetrates through the finish opening frame (21) and is in sliding connection with the finish opening frame (21); the adjusting spring (23) is sleeved on the circumferential outer wall of the adjusting column (22), and the adjusting spring (23) is positioned between the cover plate and the finish opening frame (21); one end of the adjusting rope (24) is fixedly connected with the adjusting column (22), and a winding component (4) used for adjusting the distance between the floating plate (25) and the connecting column is connected between the rest end and the floating plate (25).
3. The atomic absorption spectrophotometry water quality monitoring device according to claim 2, characterized in that: the winding assembly (4) comprises a mounting plate (41), a rotating shaft (42), a winding roller (43), a rotating plate (44) and a locking bolt (45); the mounting plates (41) are vertically and fixedly connected to the lower surface of the floating plate (25), the rotating shaft (42) penetrates through the mounting plates (41) and is rotatably connected with the mounting plates (41), the winding roller (43) is positioned between the two mounting plates (41), and the winding roller (43) is sleeved on the circumferential outer wall of the rotating shaft (42) and is coaxially and fixedly connected with the rotating shaft (42); the rotating plate (44) is fixedly connected with one end of the rotating shaft (42); the connecting bolt penetrates through the rotating plate (44) and is abutted against the mounting plate (41); the remaining end of the adjusting rope (24) is fixedly connected with the winding roller (43).
4. The atomic absorption spectrophotometry water quality monitoring device according to claim 1, characterized in that: the collecting component (3) comprises two connecting ropes (31) and two collecting ropes (32), and one end of each connecting rope (31) is fixedly connected with the circumferential outer wall of the water taking barrel (11); one ends of the two connecting ropes (31) far away from the water taking barrel (11) are fixedly connected with the collecting rope (32).
5. The atomic absorption spectrophotometry water quality monitoring device according to claim 1, characterized in that: the lower surface of the water taking barrel (11) is connected with a counterweight component (5), the counterweight component (5) comprises a counterweight block (51) and a counterweight nail (52), the counterweight nail (52) is vertically and fixedly connected to the upper surface of the counterweight block (51), and the counterweight nail (52) penetrates through the lower surface of the water taking barrel (11) and is in threaded connection with the water taking barrel (11).
6. The atomic absorption spectrophotometry water quality monitoring device according to claim 5, characterized in that: the lower surface of the balancing weight (51) is fixedly connected with a connecting groove (511), and the connecting groove (511) is matched with the balancing weight nail (52).
7. The atomic absorption spectrophotometry water quality monitoring device according to claim 3, characterized in that: an inserting nail (6) is arranged between the side wall of the winding roller (43) close to the rotating plate (44) and the mounting plate (41); the mounting plate (41) is provided with splicing holes (61), and the splicing holes (61) are uniformly formed along the circumferential direction of the winding roller (43); the inserting nail (6) is inserted in the inserting hole (61) in a sliding way.
8. The atomic absorption spectrophotometry water quality monitoring device according to claim 7, characterized in that: the inserting nail (6) is gradually pointed from one end far away from the rotating plate (44) to one end close to the rotating plate (44).
9. The atomic absorption spectrophotometry water quality monitoring device according to claim 3, characterized in that: an adjusting plate (7) is fixedly connected to one end, away from the rotating plate (44), of the rotating shaft (42), and a pressure spring (8) is arranged between the adjusting plate (7) and the mounting plate (41); the pressure spring (8) is sleeved on the circumferential outer wall of the rotating shaft (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110852056.XA CN113533234A (en) | 2021-07-27 | 2021-07-27 | Atomic absorption spectrophotometry water quality monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110852056.XA CN113533234A (en) | 2021-07-27 | 2021-07-27 | Atomic absorption spectrophotometry water quality monitoring device |
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| Publication Number | Publication Date |
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| CN113533234A true CN113533234A (en) | 2021-10-22 |
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| CN202110852056.XA Pending CN113533234A (en) | 2021-07-27 | 2021-07-27 | Atomic absorption spectrophotometry water quality monitoring device |
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| CN209166881U (en) * | 2018-09-21 | 2019-07-26 | 任灵芝 | A kind of water quality detection sampler |
| CN211179102U (en) * | 2019-12-05 | 2020-08-04 | 许昶磊 | Waste water monitoring sampling device |
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| KR20200109458A (en) * | 2019-03-13 | 2020-09-23 | 최종율 | Water sampling apparatus |
| CN211627083U (en) * | 2020-03-12 | 2020-10-02 | 山东省煤田地质规划勘察研究院 | Portable split petroleum water quality sample collection device |
| CN113125202A (en) * | 2021-04-02 | 2021-07-16 | 嘉兴绿盾注册安全工程师事务所有限公司 | Water sample collector |
-
2021
- 2021-07-27 CN CN202110852056.XA patent/CN113533234A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207318148U (en) * | 2017-09-04 | 2018-05-04 | 滨州学院 | A kind of portable water quality detection sampler |
| CN209166881U (en) * | 2018-09-21 | 2019-07-26 | 任灵芝 | A kind of water quality detection sampler |
| CN109490016A (en) * | 2018-11-23 | 2019-03-19 | 浙江省海洋水产研究所 | A kind of manual water body sampler of depthkeeping formula |
| KR20200109458A (en) * | 2019-03-13 | 2020-09-23 | 최종율 | Water sampling apparatus |
| CN211179102U (en) * | 2019-12-05 | 2020-08-04 | 许昶磊 | Waste water monitoring sampling device |
| CN211553410U (en) * | 2020-02-20 | 2020-09-22 | 水利部牧区水利科学研究所 | Novel water quality testing sample device |
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