CN108225828B - Fixed-point multiple sampling device for river water quality detection and sampling method thereof - Google Patents
Fixed-point multiple sampling device for river water quality detection and sampling method thereof Download PDFInfo
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- CN108225828B CN108225828B CN201810336671.3A CN201810336671A CN108225828B CN 108225828 B CN108225828 B CN 108225828B CN 201810336671 A CN201810336671 A CN 201810336671A CN 108225828 B CN108225828 B CN 108225828B
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- 238000005070 sampling Methods 0.000 title claims abstract description 114
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000012535 impurity Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
Abstract
The invention discloses a fixed-point multiple sampling device for river water quality detection and a sampling method thereof, wherein the fixed-point multiple sampling device comprises a fixed bracket and a sampling box, the fixed bracket comprises a bearing seat, a supporting rod and a telescopic rod, the telescopic rod comprises a supporting pipe A, a supporting pipe B, a supporting pipe C and a supporting pipe D, one end of the supporting pipe A is fixedly welded with the front end of the supporting rod, and the supporting pipe A, the supporting pipe B, the supporting pipe C and the supporting pipe D are sequentially connected with each other in a screwed mode through external threads and internal threads to be connected in a fastening mode. The bearing seat and the supporting rod of the fixed-point multi-sampling device for river water quality detection are detachably mounted, so that the fixed-point multi-sampling device is convenient to take and move, and the sampling box can be well stretched into river water by mounting the telescopic rod; by installing a plurality of sampling bottles, river water can be collected for many times at fixed points by opening and closing corresponding water valves at different time points; the whole assembly and disassembly are convenient, and the fixed point can be collected for many times.
Description
Technical Field
The invention relates to the technical field of river water quality detection, in particular to a fixed-point multiple sampling device for river water quality detection and a sampling method thereof.
Background
Along with the gradual enhancement of environmental awareness, the requirement on environmental protection is also higher and higher, seven big river basins in China are polluted by different degrees at present, factory wastewater is discharged, farmland is applied, pesticides are gathered into rivers and pollute the water quality of the rivers, the water quality of the rivers in different time periods is sampled for detecting the water quality of the rivers in different time periods, the water quality in different time periods is subjected to comparison analysis in a fixed point mode, therefore, the water quality of the rivers is required to be sampled for multiple times in a fixed point mode, in the existing equipment, only one-time sampling can be performed in a fixed point mode, sampling is required to be performed again to a sampling point when secondary sampling is required, the sampling is very inconvenient, and the fixed point multiple sampling device for river water quality detection is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problem that river water cannot be collected at fixed points for multiple times in the prior art, and provides a fixed point multiple sampling device for river water quality detection and a sampling method thereof, which are convenient to install and sample at fixed points for multiple times, so as to solve the problem that sampling is inconvenient in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the fixed point multiple sampling device for river water quality detection comprises a fixed bracket and a sampling box, wherein the fixed bracket comprises a bearing seat, a supporting rod and a telescopic rod, the tail end of the supporting rod is connected with the center of the upper end of the bearing seat, the telescopic rod comprises a supporting pipe A, a supporting pipe B, a supporting pipe C and a supporting pipe D, one end of the supporting pipe A is fixedly welded with the front end of the supporting rod, external threads are formed at both ends of the supporting pipe B and the supporting pipe C and one end of the supporting pipe D, internal threads are formed at both ends of the supporting pipe B and the supporting pipe C and the other end of the supporting pipe A, and the supporting pipe A, the supporting pipe B, the supporting pipe C and the supporting pipe D are sequentially screwed with the internal threads through the external threads to be fixedly connected; the side end of the sampling box is fixedly welded with the other end of the supporting tube D, a sample storage box is arranged in the sampling box, the sample storage box is fixedly welded at the rear end of the interior of the sampling box, a water inlet pipe is fixedly welded at the front end of the sampling box, a flow guide pipe is fixedly welded in the sampling box, the input end of the flow guide pipe is fixedly and hermetically connected with the outlet end of the water inlet pipe, and the outlet end of the flow guide pipe is connected with the rear end of the sampling box; the inside of the sample storage box is fixedly welded with a plurality of partition boards, sampling bottles are respectively arranged at the upper ends of the partition boards and the bottom end of the sample storage box, guide pipes are respectively and fixedly arranged at the front ends of the sampling bottles, the sampling bottles and the guide pipes are in sealing connection through the guide pipes, and water valves are fixedly arranged at the front ends of the guide pipes; the rear end of the sampling box is provided with a door plate.
Preferably, waterproof sleeve positioning grooves are formed in two ends of the support tube B and the support tube C, the other end of the support tube A and one end of the support tube D, and waterproof sleeves are sleeved at the connection ends of the support tube A and the support tube B, the support tube B and the support tube C and the connection ends of the support tube C and the support tube D.
Preferably, the front end of the water inlet pipe is in a horn shape, and the outer side of the water inlet pipe is fixedly sleeved with an impurity filtering cover.
Preferably, the upper end central authorities fixed mounting of bearing seat have the bracing piece fixing base, and open at the central authorities of bracing piece fixing base has the constant head tank, and the terminal fixed spin of bracing piece has connect spacing circle seat, and the front end fixed welding of bracing piece has rotatory handle, and the bracing piece activity cup joints in the constant head tank.
Preferably, the telescopic rod is a stainless steel member, and the front end of the supporting tube D is compact.
The invention provides a sampling method of a fixed-point multi-sampling device for river water quality detection, which comprises the following steps:
S1: the fixed support and the sampling box are transported to a sampling point, the supporting rod is sleeved in the positioning groove and screwed with the limiting round seat for fastening, and the length of the telescopic rod is adjusted according to the height of the dam, so that the front-end sampling box can extend into river water;
S2: opening a water valve on the front end guide pipe of any sampling bottle, closing water valves on the front end guide pipes of other sampling bottles, and moving the bearing seat to enable the sampling box to be soaked in river water to collect samples of the river water;
S3: after the collection is finished, the front water valve of the sampling bottle for collecting the sample is controlled to be closed, when the second collection is needed, the front water valve of any sampling bottle for collecting the sample is controlled to be opened, after the collection is finished, the front water valve of the sampling bottle is closed, the subsequent collection is the same as the previous collection until the fixed-point multiple collection of the river water is finished, and after the collection is finished, the rotary handle is rotated to take out the sampling box in the river.
Compared with the prior art, the invention has the beneficial effects that: according to the fixed-point multi-sampling device for river water quality detection and the sampling method thereof, the bearing seat and the supporting rod are detachably installed, so that the bearing seat and the supporting rod are convenient to take and move, the installation position and the depth of river water can be adjusted by installing the telescopic rod, the sampling box can well extend into the river water, the telescopic rod is made of stainless steel and waterproof sleeves can avoid corrosion of the river water, the impurity filtering cover can prevent external impurities from entering, the blockage of the water inlet pipe, the guide pipe and the guide pipe is avoided, and the front end of the water inlet pipe is in a horn shape, so that the river water flowing forward can enter the sampling box; by installing a plurality of sampling bottles, river water can be collected for many times at fixed points by opening and closing corresponding water valves at different time points; the whole assembly and disassembly are convenient, and the fixed point can be collected for many times.
Drawings
FIG. 1 is a front view of the connection of a bearing seat and a support rod of the present invention;
FIG. 2 is a top view showing the connection between the bearing seat and the support rod according to the present invention;
FIG. 3 is a side view of a load bearing seat of the present invention;
FIG. 4 is a view showing the connection of the support rod and the telescopic rod according to the present invention;
FIG. 5 is an exploded view of the telescopic rod of the present invention;
FIG. 6 is a cross-sectional view of a telescoping rod of the present invention;
fig. 7 is a schematic diagram of a sampling box according to the present invention.
In the figure: 1 fixed bolster, 2 sampling box, 3 bearing seat, 4 bracing piece, 41 spacing circular holders, 42 rotatory handle, 5 telescopic link, 51 stay tube A, 52 stay tube B, 53 stay tube C, 54 stay tube D, 55 external screw thread, 56 internal screw thread, 57 waterproof jacket constant head tank, 58 waterproof jacket, 6 sample containing box, 7 inlet tube, 71 impurity filtering cover, 8 honeycomb duct, 9 baffle, 10 sampling bottle, 11 pipe, 12 water valve, 13 door plant, 14 bracing piece fixing base, 141 constant head tank.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, a fixed point multiple sampling device for river water quality detection comprises a fixed bracket 1 and a sampling box 2, wherein the fixed bracket 1 comprises a bearing seat 3, a supporting rod 4 and a telescopic rod 5, the tail end of the supporting rod 4 is connected with the center of the upper end of the bearing seat 3, a supporting rod fixing seat 14 is fixedly arranged at the center of the upper end of the bearing seat 3, a locating slot 141 is arranged at the center of the supporting rod fixing seat 14, a limit round seat 41 is fixedly screwed at the tail end of the supporting rod 4, a rotary handle 42 is fixedly welded at the front end of the supporting rod 4, the supporting rod 4 is movably sleeved in the locating slot 141, the bearing seat 3 and the supporting rod 4 are detachably mounted, the bearing seat 3 and the supporting rod 4 are convenient to move when in use, the rotating handle 42 can rotate so that the sampling box 2 at the front end is floated on the water surface, the bearing seat 3 is rotated to move the sampling box 2 to the bank, the telescopic rod 5 is a stainless steel member, the rust of river water can be lightened, the strength is high, the telescopic rod 5 is not easy to damage under the impact of river water, the telescopic rod comprises a support pipe A51, a support pipe B52, a support pipe C53 and a support pipe D54, the front end of the support pipe D54 is compact, one end of the support pipe A51 is fixedly welded with the front end of the support pipe 4, external threads 55 are respectively arranged at two ends of the support pipe B52 and the support pipe C53 and one end of the support pipe D54, internal threads 56 are respectively arranged at two ends of the support pipe B52 and the support pipe C53 and the other end of the support pipe A51, the support pipe B52, the support pipe C53 and the support pipe D54 are sequentially connected with the internal threads 56 in a screwing way through the external threads 55 to be fastened, waterproof sleeve positioning grooves 57 are respectively arranged at two ends of the support pipe B52 and the support pipe C53, waterproof sleeve 58 are respectively sleeved at one ends of the support pipe A51 and the support pipe B52, the support pipe B52 and the support pipe C53 and the support pipe D54, the length of the telescopic rod 5 is adjusted according to the height of a dam and the depth of a river, the length of the telescopic rod 5 is adjusted by matching and screwing the internal threads 56 and the external threads 55, and after the length of the telescopic rod 5 is adjusted, river water can be prevented from entering the telescopic rod 5 by sleeving a waterproof sleeve 58 at a connecting point, so that the telescopic rod 5 is prevented from being corroded by the river water; the side end of the sampling box 2 is fixedly welded with the other end of the supporting tube D54, a sample storage box 6 is arranged in the sampling box 2, the sample storage box 6 is fixedly welded at the rear end of the interior of the sampling box 2, a water inlet pipe 7 is fixedly welded at the front end of the sampling box 2, an impurity filtering cover 71 is fixedly sleeved on the outer side of the water inlet pipe 7, external impurities can be placed by installing the impurity filtering cover 71 to enter the sampling box, the water inlet pipe 7, a flow guide pipe 8 and a guide pipe 11 are prevented from being blocked, the front end of the water inlet pipe 7 is in a horn shape, and forward flowing river water is facilitated to enter the sampling box 2; a flow guide pipe 8 is fixedly welded in the sampling box 2, the input end of the flow guide pipe 8 is fixedly and hermetically connected with the outlet end of the water inlet pipe 7, and the outlet end of the flow guide pipe 8 is connected with the rear end of the sampling box 2; the inside fixed welding of sample containing box 6 has a plurality of baffles 9, and sampling bottle 10 has all been placed to the upper end of a plurality of baffles 9 and the bottom of sample containing box 6, and the equal fixed mounting in front end of sampling bottle 10 has pipe 11, and sampling bottle 10 and honeycomb duct 8 pass through pipe 11 sealing connection, and water valve 12 is installed to the front end fastening of pipe 11, and door plant 13 is installed to the rear end of sampling box 2.
In order to better demonstrate a specific use flow of the fixed-point multi-sampling device for river water quality detection, the sampling method of the fixed-point multi-sampling device for river water quality detection in the embodiment comprises the following steps:
the first step: the fixed support 1 and the sampling box 2 are transported to a sampling point, the supporting rod 4 is sleeved in the positioning groove 141 and screwed with the limiting round seat 41 for fastening, and the length of the telescopic rod 5 is adjusted according to the height of the dam, so that the front-end sampling box 2 can extend into river water;
And a second step of: the water valve 12 on the front end guide pipe 11 of any sampling bottle 10 is opened, the water valves 12 on the front end guide pipes 11 of other sampling bottles 10 are closed, and the bearing seat 3 is moved to enable the sampling box 2 to be soaked in river water for collecting samples of the river water;
And a third step of: after the collection is finished, the front water valve 12 of the sampling bottle 10 for collecting the samples is controlled to be closed, when the second collection is needed, the front water valve 12 of any sampling bottle 10 for collecting the samples is controlled to be opened, after the collection is finished, the front water valve 12 is closed, the subsequent collection is the same as above until the fixed-point multiple collection of river water is finished, after the collection is finished, the rotary handle 42 is rotated, the sampling box 2 is lifted to the shore, and the door plate 13 is opened to take out the sampling bottle 10 in the sampling box 2.
In summary, according to the fixed-point multi-sampling device for river water quality detection and the sampling method thereof provided by the invention, the bearing seat 3 and the supporting rod 4 are detachably installed, so that the bearing seat is convenient to take and move, the installation position and the depth of river water can be conveniently adjusted according to the height of a dam by installing the telescopic rod 5, the sampling box 2 can well extend into the river water, the telescopic rod 5 is made of stainless steel and is waterproof, the sleeve 58 can prevent the river water from being corroded, the impurity filtering cover 71 can prevent external impurities from entering, the blocking of the water inlet pipe 7, the guide pipe 8 and the guide pipe 11 is avoided, and the front end of the water inlet pipe 7 is horn-shaped, so that the river water flowing in a forward direction can be beneficial to entering the sampling box 2; by installing a plurality of sampling bottles 10, river water can be collected for a plurality of times at fixed points by opening and closing corresponding water valves 12 at different time points; the whole assembly and disassembly are convenient, and the fixed point can be collected for many times.
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 (4)
1. The fixed point multiple sampling device for river water quality detection is characterized by comprising a fixed support (1) and a sampling box (2), wherein the fixed support (1) comprises a bearing seat (3), a support rod (4) and a telescopic rod (5), the tail end of the support rod (4) is connected with the center of the upper end of the bearing seat (3), the telescopic rod (5) comprises a support tube A (51), a support tube B (52), a support tube C (53) and a support tube D (54), one end of the support tube A (51) is fixedly welded with the front end of the support rod (4), external threads (55) are respectively formed at two ends of the support tube B (52), the support tube C (53) and one end of the support tube D (54), internal threads (56) are respectively formed at two ends of the support tube B (52) and the support tube A (51), and the support tube B (52), the support tube C (53) and the support tube D (54) are sequentially connected with the internal threads (56) in a screwing mode through the external threads (55) to be fastened; the side end of the sampling box (2) is fixedly welded with the other end of the supporting tube D (54), a sample storage box (6) is arranged in the sampling box (2), the sample storage box (6) is fixedly welded at the rear end of the inside of the sampling box (2), a water inlet pipe (7) is fixedly welded at the front end of the sampling box (2), a flow guide pipe (8) is fixedly welded in the sampling box (2), the input end of the flow guide pipe (8) is fixedly and hermetically connected with the outlet end of the water inlet pipe (7), and the outlet end of the flow guide pipe (8) is connected with the rear end of the sampling box (2); the inside of the sample storage box (6) is fixedly welded with a plurality of baffle plates (9), sampling bottles (10) are respectively arranged at the upper ends of the baffle plates (9) and the bottom end of the sample storage box (6), guide pipes (11) are respectively and fixedly arranged at the front ends of the sampling bottles (10), the sampling bottles (10) are in sealing connection with the guide pipes (8) through the guide pipes (11), and water valves (12) are fixedly arranged at the front ends of the guide pipes (11); the rear end of sampling case (2) is installed door plant (13), the both ends of stay tube B (52) and stay tube C (53), the other end of stay tube A (51) and the one end of stay tube D (54) all open waterproof cover constant head tank (57), stay tube A (51) and stay tube B (52), stay tube B (52) and stay tube C (53) and the link of stay tube D (54) all cup joint waterproof cover (58), the front end of inlet tube (7) is loudspeaker form, impurity filtering cover (71) have been cup jointed in the outside of inlet tube (7) fixedly.
2. The fixed point multiple sampling device for river water quality detection as defined in claim 1, wherein: the upper end central authorities fixed mounting of bearing seat (3) have bracing piece fixing base (14), and open in the central authorities of bracing piece fixing base (14) has constant head tank (141), and the fixed spin of end of bracing piece (4) has connect spacing circle seat (41), and the front end fixed welding of bracing piece (4) has rotatory handle (42), and bracing piece (4) activity cup joints in constant head tank (141).
3. The fixed point multiple sampling device for river water quality detection as defined in claim 1, wherein: the telescopic rod (5) is a stainless steel member, and the front end of the supporting tube D (54) is compact.
4. The method for collecting the fixed-point multi-sampling device for river water quality detection as defined in claim 1, comprising the steps of:
S1: the fixed support (1) and the sampling box (2) are transported to a sampling point, the supporting rod (4) is sleeved in the positioning groove (141) and screwed with the limiting round seat (41) to be fastened, and the length of the telescopic rod (5) is adjusted according to the height of the dykes and dams so that the front-end sampling box (2) can extend into river water;
S2: opening a water valve (12) on a front end guide pipe (11) of any sampling bottle (10) and closing the water valves (12) on the front end guide pipes (11) of other sampling bottles (10), and moving a bearing seat (3) to enable a sampling box (2) to be soaked in river water to collect samples of the river water;
S3: after the collection is finished, the front water valve (12) of the sampling bottle (10) for collecting the sample is controlled to be closed, when the second collection is needed, the front water valve (12) of any sampling bottle (10) for collecting the sample is controlled to be opened, after the collection is finished, the front water valve (12) is closed, the subsequent collection is the same as the previous collection until the fixed point of the river water is finished for multiple collection, and after the collection is finished, the rotary handle (42) is rotated to take out the sampling box (2) in the river.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336671.3A CN108225828B (en) | 2018-04-16 | 2018-04-16 | Fixed-point multiple sampling device for river water quality detection and sampling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810336671.3A CN108225828B (en) | 2018-04-16 | 2018-04-16 | Fixed-point multiple sampling device for river water quality detection and sampling method thereof |
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| CN108225828A CN108225828A (en) | 2018-06-29 |
| CN108225828B true CN108225828B (en) | 2024-05-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112146935A (en) * | 2020-10-16 | 2020-12-29 | 何兴怀 | Intelligent robot capable of extracting samples from river water |
| CN113029672B (en) * | 2021-03-09 | 2022-09-23 | 河南中汇环保科技有限公司 | Water body sampling box and sampling method |
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| KR101586650B1 (en) * | 2015-01-23 | 2016-01-19 | 주식회사 우리소재 | A Sample Gathering System for Monitoring Water Pollution |
| CN105628441A (en) * | 2016-01-11 | 2016-06-01 | 浙江理工大学 | Fixed-point water sampling device |
| CN207964360U (en) * | 2018-04-16 | 2018-10-12 | 安徽省贝斯泰检测科技有限公司 | A kind of water quality of river detection fixed point sampling unit for multiple times |
| CN210923180U (en) * | 2019-09-30 | 2020-07-03 | 中南大学 | Portable surface runoff sample quantitative collection device |
-
2018
- 2018-04-16 CN CN201810336671.3A patent/CN108225828B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101586650B1 (en) * | 2015-01-23 | 2016-01-19 | 주식회사 우리소재 | A Sample Gathering System for Monitoring Water Pollution |
| CN105628441A (en) * | 2016-01-11 | 2016-06-01 | 浙江理工大学 | Fixed-point water sampling device |
| CN207964360U (en) * | 2018-04-16 | 2018-10-12 | 安徽省贝斯泰检测科技有限公司 | A kind of water quality of river detection fixed point sampling unit for multiple times |
| CN210923180U (en) * | 2019-09-30 | 2020-07-03 | 中南大学 | Portable surface runoff sample quantitative collection device |
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