CN111735658A - River water sampling device for treatment - Google Patents
River water sampling device for treatment Download PDFInfo
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- CN111735658A CN111735658A CN202010683773.XA CN202010683773A CN111735658A CN 111735658 A CN111735658 A CN 111735658A CN 202010683773 A CN202010683773 A CN 202010683773A CN 111735658 A CN111735658 A CN 111735658A
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- sampling tube
- sampling
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- porous plate
- water
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- 238000005070 sampling Methods 0.000 title claims abstract description 131
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 125000003003 spiro group Chemical group 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of environmental protection engineering, in particular to a water body sampling device for river regulation, which comprises at least one sampling tube, a ring gear and a sealing element, wherein the sealing element is connected in the sampling tube in a sliding manner, two adjacent sampling tubes are detachably connected together through a connecting structure, a plurality of notches are radially formed in the sampling tubes and are arranged at equal intervals, a plurality of connecting plates are welded on the outer wall of each sampling tube at equal intervals corresponding to the notches, a short shaft is rotatably and vertically installed on each connecting plate, and a first gear is installed at the top end of the short shaft; in the submergence process of the sampling tube, the water body in the sampling tube is separated from the external water body, so that the influence of the external water flow on the water body in the sampling tube is reduced, and the accuracy of the water body in sampling is improved.
Description
Technical Field
The invention relates to the technical field of environmental protection engineering, in particular to a water sampling device for river regulation.
Background
In the field of environmental protection, layered sampling and observation of water quality are required. For example, a great deal of research and treatment projects are carried out at home and abroad aiming at the problem of overhigh concentration of NH4-N and TP in the water body. The TP is relatively simple and effective in engineering treatment, such as flocculation precipitation, phosphorus locking agent and the like; the treatment measures of NH4-N include aeration, flow generation, microorganism throwing, aquatic plant planting, side-flow artificial wetland and the like. In order to monitor the treatment effect of the water body, the water body after engineering treatment needs to be sampled and observed, and parameters such as the dosage of a medicament, the concentration of the medicament, the treatment range and the like are adjusted in time.
Traditional water layering sample mode adopts the container to put the rope and takes a sample, be a rope on the container promptly, sink into the appointed degree of depth of water with the container and take a sample, common container bottom surface is mostly sealed, the container can break the stability on water upper strata when sinking into the water and produce the interference to the water, when the container dives to appointed degree of depth, part upper strata water can get into in the water of lower floor, if the container takes a sample and detects this moment, then can lead to the detected data and the actual data discrepancy of sample too big, cause the water treatment effect to reach the anticipated effect.
Disclosure of Invention
The invention aims to solve the problem that the traditional sampling mode in the prior art can cause interference between an upper layer and a lower layer of a water body to cause insufficient sample accuracy, and provides a water sampling device for river regulation.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is a water body sampling device for river regulation, which comprises at least one sampling tube, a ring gear and a sealing element, wherein the sealing element is connected in the sampling tube in a sliding way, two adjacent sampling tubes are connected together through a connecting structure in a detachable way, a plurality of notches are radially formed in the sampling tubes, the notches are arranged at equal intervals, a plurality of connecting plates are welded on the outer wall of each sampling tube at equal intervals corresponding to the notches, a short shaft is rotatably and vertically installed on each connecting plate, a first gear is installed at the top end of the short shaft, a second gear is installed at the bottom end of the short shaft, a sliding sleeve is fixedly connected on the bottom surface of each connecting plate, a rack is slidably installed in the sliding sleeve and is meshed on the second gear, a magnetic insert block is welded on one end of the rack and can be connected in the notches in a sealing way, the annular gear is sleeved on the sampling tube and meshed with the first gear, and a transmission structure capable of driving the annular gear to rotate is mounted on the outer wall of the sampling tube;
a first porous plate is connected in the sampling pipe in a screwed mode, and a second porous plate is placed on the upper surface of the first porous plate;
the sealing element comprises a plurality of fan-shaped sealing plates, the density of the sealing plates is smaller than that of the water body, the number of the sealing plates is the same as that of the notches, the sealing plates are slidably connected in the notches, the sum of central angles of the sealing plates is equal to degree, the sealing plates can be adsorbed on the insert blocks, on two radial tangent planes of each sealing plate, one tangent plane is provided with a clamping groove, the other tangent plane is provided with a permanent magnet, and the permanent magnets can be clamped in the clamping grooves;
the utility model discloses a sampling tube, including mounting groove, wedge, movable rod top and second through-hole, the mounting groove is connected with the sliding block, the outer wall of sampling tube is inside to be seted up the mounting groove, articulated movable rod in the mounting groove, first through-hole and second through-hole have been seted up respectively to mounting groove top and bottom, first through-hole and second through-hole all with the inside intercommunication of sampling tube, slidable is connected with the wedge in the first through-hole, wedge one side is supported and is leaned on movable rod top one side, movable rod top opposite side with be equipped with a spring between the mounting groove inner wall, the wedge part is located inside the sampling tube, slider is installed to second through-hole slidable, slider one end detachable connects.
Preferably, the first porous plate and the second porous plate have at least a first state and a second state, and the first state is that when the spring is in a natural state, the projection area of the opening on the first porous plate and the projection area of the opening on the second porous plate are not zero;
the second state is when the spring is compressed by the movable rod, the trompil on the first perforated plate with the projected area on the trompil on the second perforated plate is zero.
Preferably, the transmission structure comprises a long shaft and a third gear, the long shaft is rotatably mounted on the outer wall of the sampling tube, the third gear is fixedly connected to the long shaft, the third gear is engaged with the ring gear, a limit block is mounted at one end of the long shaft, a limit groove is formed in the other end of the long shaft, and the limit block is slidably connected to the limit groove.
Preferably, at least one of the transmission structures is provided with a driving structure, the driving structure can drive the long shaft to rotate, the driving structure comprises a driving gear and a worm, the rotating gear is coaxially and fixedly connected to the long shaft, the worm is rotatably arranged on the sampling tube, and the worm is meshed with the driving gear.
Preferably, connection structure includes the external screw thread pipe, the ring channel has all been seted up on the both ends face of sampling tube, the degree of depth of ring channel is the half of external screw thread pipe height, but the external screw thread pipe spiro union is in the ring channel.
The invention provides a water body sampling device for river regulation, which has the beneficial effects that: compared with the traditional container water taking, the sampling device takes water by utilizing the plurality of sampling pipes which are communicated with each other, reduces the interference of the sampling device on the upper water body by utilizing the through characteristic of the sampling pipes in the submerging process of the sampling pipes, prevents the excessive upper water body from entering the lower water body layer under pressure, and improves the accuracy of water body layering; in the submergence process of the sampling tube, the water body in the sampling tube is separated from the external water body, so that the influence of the external water flow on the water body in the sampling tube is reduced, and the accuracy of water body sampling is improved; when the water body shifts in the sampling tube, the sealing member is moved down by the action of gravity, and the outer ring of the sealing member can remove algae attachments on the inner wall of the sampling tube to a detection container, so that the inside of the sampling tube can be cleaned, and the detection error caused by the attachment of the materials on the inner wall of the pipeline in the water body is prevented from being too large.
Drawings
Fig. 1 is a schematic structural diagram of a water sampling device for river regulation according to the present invention.
Fig. 2 is a partially enlarged view of a water sampling device for river regulation according to the present invention.
Fig. 3 is a partially enlarged view of a water sampling device for river regulation according to the present invention.
Fig. 4 is a partially enlarged view of a water sampling device for river regulation according to the present invention.
Fig. 5 is a top view of a river regulation water sampling device according to the present invention.
Fig. 6 is a bottom view of a river regulation water sampling device according to the present invention.
Fig. 7 is a partial sectional view of a water sampling device for river regulation according to the present invention.
Fig. 8 is a partial cross-sectional view of a water sampling device for river regulation according to the present invention.
Fig. 9 is an enlarged view of a part a of the water sampling device for river regulation according to the present invention.
Fig. 10 is an enlarged view of a water sampling device for river regulation according to the present invention at position B.
Fig. 11 is a cross-sectional view of a water sampling device for river regulation according to the present invention.
Fig. 12 is a schematic structural view of a sealing plate of the water sampling device for river regulation according to the present invention.
Fig. 13 is a schematic structural diagram of a connection structure of a water sampling device for river regulation according to the present invention.
Fig. 14 is a schematic view of a partial structure of a long shaft of the water sampling device for river regulation according to the present invention.
In the figure: the sampling tube comprises a sampling tube 1, a notch 2, a connecting plate 3, a short shaft 4, a first gear 5, a sliding sleeve 6, a second gear 7, a rack 8, an inserting block 9, a ring gear 10, a sealing plate 11, a clamping groove 1101, a permanent magnet 1102, a long shaft 12, a limiting block 1201, a limiting groove 1202, a third gear 13, a driving gear 14, a worm 15, a first porous plate 16, a second porous plate 17, a mounting groove 18, a movable rod 19, an annular groove 20, a spring 21, a sliding block 22, a wedge-shaped block 23, a first through hole 24, a second through hole 25 and an external threaded tube 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-14, a water sampling device for river regulation, includes at least one sampling tube 1, ring gear 10 and sealing member, and the sealing member slidable connects in sampling tube 1, links together through connection structure detachable between two adjacent sampling tubes 1, and connection structure includes external screw thread pipe 26, has all seted up ring channel 20 on the both ends face of sampling tube 1, and the degree of depth of ring channel 20 is half of external screw thread pipe 26 height, and external screw thread pipe 26 spiro union is in ring channel 20. The number of sampling tubes 1 is selected according to the requirement, then part of the external thread tube 26 is screwed in the annular groove 20 of one sampling tube 1, and then part of the external thread tube 26 is screwed in the annular groove 20 of the adjacent sampling tube 1, so that two sampling tubes 1 are screwed and locked on the external thread tube 26.
The method comprises the following steps that connecting plates 3 are welded on the outer wall of a sampling tube 1 at equal intervals, a short shaft 4 is rotatably arranged on the connecting plates 3, two ends of the short shaft 4 penetrate through the connecting plates 3, a first gear 5 and a second gear 7 are respectively arranged at the top end and the bottom end of the short shaft 4, a sliding sleeve 6 is welded on the bottom surface of the connecting plates 3, the sliding sleeve 6 is arranged in a rack 8, the rack 8 can be meshed with the second gear 7 while the rack 8 can slide on the sliding sleeve 6, notches 2 are formed in the sampling tube 1, the number of the notches 2 is the same as that of the racks 8, a magnetic inserting block 9 is welded on one end, close to the sampling tube 1, of the rack 8, the notch 2 can be sealed by the inserting block 9, an annular gear 10 is selected, and the first gear 5 is completely meshed with an inner ring of the annular gear;
the outer wall of each sampling tube 1 is rotatably provided with a long shaft 12, one end of each long shaft 12 is provided with a limiting block 1201, the other end of each long shaft 12 is provided with a limiting groove 1202, after two adjacent sampling tubes 1 are connected, the limiting blocks 1201 on the two adjacent long shafts 12 can be arranged in the limiting grooves 1202, a third gear 13 is arranged on each long shaft 12, the third gear 13 is meshed with the ring gear 10, a driving gear 14 is arranged on the long shaft 12 at the topmost end, the driving gear 14 can be driven by a worm 15 to rotate, and the transmission mode of the worm gear can prevent the long shaft 12 from rotating.
At the inside mounting groove 18 of having seted up of the pipe wall of sampling tube 1, an articulated movable rod 19 in mounting groove 18, first through-hole 24 and second through-hole 25 are seted up respectively to mounting groove 18 top and bottom, first through-hole 24 and second through-hole 25 all communicate with sampling tube 1 is inside, slidable is connected with wedge 23 in the first through-hole 24, wedge 23 one side is supported and is leaned on movable rod 19 top one side, be equipped with a spring 21 between movable rod 19 top opposite side and the mounting groove 18 inner wall, wedge 23 part is located sampling tube 1 inside, slider 22 is installed to second through-hole 25 slidable, slider 22's one end can be supported and is leaned on the movable rod 19 bottom, from a first perforated plate 16 of bottom spiro union of sampling tube 1, and place second perforated plate 17 on first perforated plate 16, set up a recess on the second perforated plate 17, the one end of slider 22 is supported and is lean.
A circular sealing element is divided into a plurality of fan-shaped sealing plates 11 along the radial direction with equal radian, the number of the divided sealing plates is the same as that of the notches 2, the sealing plates 11 are ensured to be slidably connected into the notches 2, then the sealing plates 11 are adsorbed on the insert block 9, one of two radial sections of each sealing plate 11 is provided with a clamping groove 1101, the other section is provided with a permanent magnet 1102, and the permanent magnet 1102 can be clamped in the clamping groove 1101;
the working principle is as follows: when the sampling device is used, firstly, the quantity of the sampling tubes 1 is selected according to the depth and the layering number required by water body collection, the sealing plate 11 is correspondingly attracted on the insert block 9, the sealing plate 11 of the part of the sampling tube 1 before entering the water is ensured to be positioned in the notch 2, then, the first porous plate 16 and the second porous plate 17 are arranged in the sampling tube 1, at least a part of the openings on the first porous plate 16 and the second porous plate 17 are ensured to be overlapped together under the initial state, the sampling tube 1 with a driving structure is positioned at the top end, then, the sampling tubes 1 are assembled by matching the external thread tube 26 with the annular groove 20, the limiting blocks 1201 on the long shaft 12 are arranged in the corresponding limiting grooves 1202, after the assembly is completed, the sampling device is vertically inserted into the water body, the sampling tube 1 slowly dives along the axial direction, when the sampling device dives to the expected depth, the worm 15 is rotated to drive the driving gear 14 to rotate, the driving gear 4 drives the long shaft 12 and the third gear 13 on the long shaft 12 to rotate when rotating, the third gear 13 drives the ring gear 10 to rotate, the ring gear 10 rotates to drive the first gear 5 and the second gear 7 to rotate, the second gear 7 drives the rack 8 to move horizontally after rotating, the rack 8 moves horizontally to drive the insert block 9 to move towards the notch 2 along the radial direction of the sampling tube, when the insert block 9 completely enters the notch 2, the sealing plate 11 on the insert block 9 also completely enters the sampling tube 1, the permanent magnet 1102 on the sealing plate 11 is clamped in the clamping groove 1101 on the adjacent sealing plate 11 under the pressure given by the magnetic field and the insert block 9, so that the sealing plates 11 are mutually spliced to form a sealing element, the sealing element receives the magnetic force and the gravity which are larger than the buoyancy force and the gravity of the sealing element in the sampling tube 1, the sealing element moves upwards, and after the sealing element moves to abut against the wedge block, the sealing element stops rising, the wedge-shaped block 23 receives the pressure given by the sealing element at the moment, the wedge-shaped block 23 can move towards the mounting groove 18 by the stress of the wedge-shaped block 23 in the horizontal direction and apply the pressure to the top of the movable rod 19, the movable rod 19 can contract the spring 21 and push the slide block 22 to move towards the axis direction of the sampling tube 1 after being pressed, the slide block 22 can drive the second porous plate 17 to move on the first porous plate 16, so that the openings on the second porous plate 17 and the first porous plate 16 are completely staggered, the staggered first porous plate 16 and the second porous plate 17 seal the bottom of the sampling tube 1, the sampling of the water body is completed, when the water body in the sampling tube 1 is transferred, the sampling tube 1 is inverted, the sealing element is positioned at the bottom of the sampling tube 1, then the first porous plate 16 is rotated, the first porous plate 16 and the second porous plate 17 are taken out, the first porous plate 16 and the second porous plate 17 are, under the action of gravity, the sealing element moves downwards in the sampling tube 1 until the water body is completely discharged.
Compared with the traditional container water taking, the sampling device takes water by utilizing the plurality of sampling tubes 1, the sampling tubes 1 are mutually communicated, and the interference of the sampling device on the upper water body is reduced by utilizing the through characteristic of the sampling tubes 1 in the submerging process of the sampling tubes 1, so that the excessive upper water body is prevented from entering the lower water body layer under pressure, and the water body layering accuracy is improved; in the submergence process of the sampling tube 1, the water body in the sampling tube 1 is separated from the external water body, so that the influence of the external water flow on the water body in the sampling tube 1 is reduced, and the accuracy of water body sampling is improved; when the water body shifts in the sampling tube 1, the sealing member is moved down under the action of gravity, and the outer ring of the sealing member can remove algae attachments on the inner wall of the sampling tube 1 to a detection container, so that the inside of the sampling tube 1 can be cleaned, and the detection error caused by the attachment of the materials in the water body on the inner wall of the pipeline is prevented from being overlarge.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a river course is administered and is used water sampling device, its characterized in that, includes at least one sampling tube (1), ring gear (10) and sealing member, the density of sealing member is less than the density of water, sealing member slidable connects in sampling tube (1), adjacent two link together through connection structure detachable between the sampling tube (1), radially seted up a plurality of notches (2) on sampling tube (1), notch (2) equidistant setting, sampling tube (1) outer wall with the equidistant welding of correspondence of notch (2) has a plurality of link plates (3), rotatable vertical minor axis (4) of installing on link plate (3), first gear (5) are installed on minor axis (4) top, second gear (7) are installed to minor axis (4) bottom, the rigid coupling has sliding sleeve (6) on link plate (3) bottom surface, a rack (8) is slidably mounted in the sliding sleeve (6), the rack (8) is meshed with the second gear (7), one end of the rack (8) is welded with a magnetic insert block (9), the insert block (9) is connected in the notch (2) in a sealing manner, the ring gear (10) is sleeved on the sampling tube (1), the ring gear (10) is meshed with the first gear (5), and a transmission structure capable of driving the ring gear (10) to rotate is mounted on the outer wall of the sampling tube (1);
a first porous plate (16) is screwed in the sampling tube (1), and a second porous plate (17) is placed on the upper surface of the first porous plate (16);
the sealing element comprises a plurality of fan-shaped sealing plates (11), the density of the sealing plates (11) is smaller than that of a water body, the number of the sealing plates (11) is the same as that of the notches (2), the sealing plates (11) are slidably connected in the notches (2), the sum of central angles of the sealing plates (11) is 360 degrees, the sealing plates (11) can be adsorbed on the insert block (9), one tangent plane of each of two radial tangent planes of the sealing plates (11) is provided with an open clamping groove (1101), the other tangent plane is provided with a permanent magnet (1102), and the permanent magnets (1102) can be clamped in the clamping grooves (1101);
the sampling tube is characterized in that a mounting groove (18) is formed in the outer wall of the sampling tube (1), a movable rod (19) is hinged in the mounting groove (18), a first through hole (24) and a second through hole (25) are formed in the top and the bottom of the mounting groove (18) respectively, the first through hole (24) and the second through hole (25) are communicated with the inside of the sampling tube (1), a wedge block (23) is connected in the first through hole (24) in a sliding manner, one side of the wedge block (23) is abutted against one side of the top of the movable rod (19), a spring (21) is arranged between the other side of the top of the movable rod (19) and the inner wall of the mounting groove (18), the wedge block (23) is partially located in the sampling tube (1), a sliding block (22) is installed in the second through hole (25) in a sliding manner, one end of the sliding block (22) is detachably connected on, the other end of the sliding block (22) can abut against the bottom of the movable rod (19).
2. The device for sampling a water body for river regulation according to claim 1, wherein the first porous plate (16) and the second porous plate (17) have at least a first state and a second state, and the first state is that when the spring (21) is in a natural state, a projected area of the opening of the first porous plate (16) and the opening of the second porous plate (17) is not zero;
and in the second state, when the spring (21) is compressed by the movable rod (19), the projection areas of the opening on the first porous plate (16) and the opening on the second porous plate (17) are zero.
3. The water sampling device for river regulation according to claim 1, wherein the transmission structure comprises a long shaft (12) and a third gear (13), the long shaft (12) is rotatably mounted on the outer wall of the sampling tube (1), the third gear (13) is fixedly connected to the long shaft (12), the third gear (13) is engaged with the ring gear (10), a limit block (1201) is mounted at one end of the long shaft (12), a limit groove (1202) is formed at the other end of the long shaft (12), and the limit block (1201) is slidably connected to the limit groove (1202).
4. The water sampling device for river regulation according to claim 1, wherein at least one of the transmission structures is provided with a driving structure, the driving structure can drive the long shaft (12) to rotate, the driving structure comprises a driving gear (14) and a worm (15), the rotating gear (14) is coaxially and fixedly connected to the long shaft (12), the worm (15) is rotatably installed on the sampling tube (1), and the worm (15) is engaged with the driving gear (14).
5. The water sampling device for river regulation according to claim 1, wherein the connecting structure comprises an external threaded pipe (26), annular grooves (20) are formed in both end faces of the sampling pipe (1), the depth of each annular groove (20) is half of the height of the external threaded pipe (26), and the external threaded pipe (26) can be screwed in the annular grooves (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010683773.XA CN111735658A (en) | 2020-07-16 | 2020-07-16 | River water sampling device for treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010683773.XA CN111735658A (en) | 2020-07-16 | 2020-07-16 | River water sampling device for treatment |
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| Publication Number | Publication Date |
|---|---|
| CN111735658A true CN111735658A (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010683773.XA Pending CN111735658A (en) | 2020-07-16 | 2020-07-16 | River water sampling device for treatment |
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| CN (1) | CN111735658A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798350A (en) * | 2021-01-27 | 2021-05-14 | 徐州工程学院 | Liquid food detects sampling device |
| CN113203601A (en) * | 2021-05-06 | 2021-08-03 | 安双宁 | Deep water department water sampling and detecting equipment for river channel |
| CN115184089A (en) * | 2022-07-11 | 2022-10-14 | 中国十七冶集团有限公司 | River body sampling equipment for urban inland river ecological improvement research |
-
2020
- 2020-07-16 CN CN202010683773.XA patent/CN111735658A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798350A (en) * | 2021-01-27 | 2021-05-14 | 徐州工程学院 | Liquid food detects sampling device |
| CN113203601A (en) * | 2021-05-06 | 2021-08-03 | 安双宁 | Deep water department water sampling and detecting equipment for river channel |
| CN113203601B (en) * | 2021-05-06 | 2022-09-20 | 中海油(广东)安全健康科技有限责任公司 | Deep water department water sampling and detecting equipment for river channel |
| CN115184089A (en) * | 2022-07-11 | 2022-10-14 | 中国十七冶集团有限公司 | River body sampling equipment for urban inland river ecological improvement research |
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Application publication date: 20201002 |