Water sampler suitable for water body with higher sediment content
Technical Field
The utility model belongs to the technical field of water ecology monitoring, and particularly relates to a water sampler suitable for water bodies with higher sediment content.
Background
Yellow river is the second largest river in China and has rich water resources. By monitoring the hydrologic data of the yellow river, the water resource condition of the yellow river basin can be known, and a basis is provided for water resource protection and reasonable utilization, which comprises ensuring reasonable distribution of water resources and preventing excessive development and pollution.
Monitoring the water ecology of the yellow river basin is of vital importance, and the monitoring of the water ecology comprises water quality monitoring and plankton monitoring. When carrying out aquatic ecological monitoring to yellow river water, need take a sample to yellow river water, because of yellow river water quality is turbid, silt content is higher, need get rid of the silt in the yellow river water after the water intaking, otherwise, the water sample silt content of gathering is too high, can influence the accuracy that quality of water and plankton detected.
At present, most water collectors are designed with only a water collecting function, and cannot effectively remove sediment when collecting water in a water area with higher sediment content, so that it is necessary to design a water collector suitable for collecting water in the water area with higher sediment content so as to efficiently and quickly remove sediment.
Disclosure of utility model
The utility model aims to provide the water sampler which has simple structure, reasonable design and convenient use and is suitable for water bodies with higher sediment content, and the water sampler is skillfully designed to have a liquid inlet and outlet structure, so that the sampled water can be naturally filtered and precipitated, layering is realized, the quality of the sampled water is improved, and the sampling standard is met.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The water sampler suitable for the water body with higher sediment content comprises a cylindrical sampling cylinder, a liquid inlet bottom cover and an upper cover, wherein the liquid inlet bottom cover and the upper cover are respectively arranged at the upper end and the lower end of the cylindrical sampling cylinder, a limit ring with a conical structure is arranged at the lower part of the inner side of the cylindrical sampling cylinder, an annular hollow support is arranged right below the limit ring, a conical sedimentation filter bucket is connected to the inner wall of the hollow support, a sedimentation outlet is arranged at the bottom of the conical sedimentation filter bucket, a clear liquid outlet hole is arranged on the side wall of the cylindrical sampling cylinder, the clear liquid outlet hole is arranged above the limit ring, a liquid inlet is arranged in the middle of the liquid inlet bottom cover, and a cover plate is movably connected to the liquid inlet, so that when the water sampler adopts water, the cover plate is separated from the liquid inlet, and after the water sampler adopts water, the cover plate seals the liquid inlet under the action of water pressure.
The liquid inlet around be equipped with evenly distributed's spacing post, spacing post is L type, and the turning of each spacing post is towards cylinder sampling tube central authorities, the closing cap board is spacing through the top of each spacing post, spacing post outside is provided with connects ring one soon, swivel ring one and cylinder sampling tube inner wall bottom threaded connection.
A sedimentation filter frame is arranged between the limiting ring and the conical sedimentation filter bucket, a circle of sheet sealing rings are arranged on the outer side of the sedimentation filter frame, and the sedimentation filter frame is in sealing connection with the cylindrical sampling cylinder through the sheet sealing rings.
The upper cover middle preformed hole inside connect soon and connect the fixed bolster, the fixed bolster lower extreme alternates and has the spring lever, the upper end of spring lever and the apron of preformed hole upper end are connected, and the upper cover upper end outside is connected with the handle, and the upper cover lower extreme outside is connected with connects the ring two soon.
The sedimentation filter frame is influenced by the water flow direction, and can move up and down between the limiting ring and the conical sedimentation filter bucket to realize free switching between liquid inlet and sedimentation filtration.
The outer diameter of the sedimentation filter frame is matched with the inner diameter of the cylindrical sampling cylinder.
The middle of the sedimentation filter frame is provided with a coarse-pore filter screen.
After the structure is adopted, the utility model has the beneficial effects that:
the device can satisfy the water sampling in turbid waters, the high waters of silt content through ingenious structural design, can realize that silt self-settlement gets rid of, improves the quality of sampling water to improve the accuracy that sampling water quality and wherein plankton detected.
Drawings
For a clearer description of embodiments of the present utility model or technical solutions in the prior art, the present utility model is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the sedimentation filter frame 8 of the present utility model;
Fig. 3 is a schematic structural view of a liquid inlet bottom cover 2 of the present utility model;
Fig. 4 is a schematic structural view of the upper cover 3 of the present utility model;
FIG. 5 is a schematic view of the liquid inlet state of the present utility model;
FIG. 6 is a schematic diagram of a filtered precipitate status of the present utility model;
The reference numerals indicate that the cylindrical sampling tube 1, the liquid inlet bottom cover 2, the upper cover 3, the hollow bracket 4, the conical sedimentation filter bucket 5, the sedimentation outlet 6, the limiting ring, the sedimentation filter frame 8, the supernatant liquid outlet hole 9, the first rotary joint ring 21, the limiting column 22, the sealing cover plate 23, the liquid inlet 24, the second rotary joint ring 31, the fixed bracket 32, the spring rod 33, the cover plate 34, the handle 35, the coarse pore filter screen 81 and the sheet sealing ring 82.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
It should be noted here that, in order to avoid obscuring the present utility model due to unnecessary details, only structures and/or processing steps closely related to the solution according to the present utility model are shown in the drawings, while other details not greatly related to the present utility model are omitted.
Referring to fig. 1-6, the water sampler for water with high sediment content comprises a cylindrical sampling tube 1, a liquid inlet bottom cover 2 and an upper cover 3. The upper end and the lower end of the cylindrical sampling tube 1 are respectively connected with a liquid inlet bottom cover 2 and an upper cover 3 in a threaded manner, wherein a limit ring 7 with a conical structure is arranged at the lower part of the inner side of the cylindrical sampling tube 1, an annular hollow support 4 is arranged right below the limit ring 7, a conical sedimentation filter bucket 5 is fixedly connected to the inner side of the hollow support 4, and a sedimentation outlet 6 is arranged at the bottom of the conical sedimentation filter bucket 5. The side wall of the cylindrical sampling cylinder 1 is provided with a clear liquid outlet hole 9, and the clear liquid outlet hole 9 is positioned above the limiting ring 7.
A sedimentation filter frame 8 is arranged between the limiting ring 7 and the conical sedimentation filter hopper 5, a circle of sheet-type sealing rings 82 are arranged on the outer side of the sedimentation filter frame 8, and the sheet-type sealing rings 82 are used as sealing structures to ensure that the sedimentation filter frame 8 and the cylindrical sampling cylinder 1 are kept sealed and can move up and down along with water flow.
The middle of the liquid inlet bottom cover 2 is provided with a liquid inlet 24, limiting columns 22 which are uniformly distributed are arranged around the liquid inlet, the limiting columns 22 are L-shaped, corners of the limiting columns 22 face the center of the cylindrical sampling cylinder 1, and a cover plate 23 is limited through the tops of the limiting columns 22. The outer side of the limit column 22 is provided with a first rotary ring 21, and the first rotary ring 21 is in threaded connection with the bottom of the inner wall of the cylindrical sampling tube 1. When the sampling device is placed in water, water enters from the liquid inlet 24 and flows upwards from a gap between the sealing cover plate 23 and the limit column 22 after the sealing cover plate 23 is jacked up, and the sealing cover plate 23 is pressed on the surface of the liquid inlet 24 to be sealed under the action of internal water pressure in the lifting process.
The inside of preformed hole in the middle of upper cover 3 connect soon fixed bolster 32, fixed bolster 32 lower extreme is interluded and is had spring rod 33, the upper end of spring rod 33 is connected with the apron 34 of preformed hole upper end, and is connected with handle 35 in the upper end outside of upper cover 3. The outer side of the lower end of the upper cover 3 is connected with a second rotary joint ring 31, water enters the cylindrical sampling tube 1 from the bottom to jack up the cover plate 34 so that the water can freely flow upwards from the bottom to realize live water sampling, and the upper cover 3 is automatically closed under the action of water pressure and a spring rod 33 in the lifting process.
In addition, the sedimentation filter frame 8 is influenced by the water flow direction and moves up and down between the limiting ring 7 and the conical sedimentation filter bucket 5 to realize free switching between liquid inlet and sedimentation filtration. The outer diameter of the sedimentation filter frame 8 is consistent with the inner diameter of the cylindrical sampling tube 1. In the water inlet stage, the outer side of the water flushing conical precipitation filter bucket 5 flows upwards to jack up the sedimentation filter frame 8, water flows upwards from a coarse-hole filter screen 81 in the middle of the sedimentation filter frame 8 to filter impurities such as sand and gravel with larger particles, in the lifting precipitation stage, the sedimentation filter frame 8 is subjected to water pressure and dead weight to cover the upper port of the conical precipitation filter bucket 5, and the hollow support 4 at the outer side of the upper port of the conical precipitation filter bucket 5 is plugged. Along with natural sedimentation, sediment falls into the conical sedimentation filter bucket 5 through the coarse-pore filter screen 81 in the middle of the sedimentation filter frame 8, suspended matters are suspended at the upper end of the sedimentation filter frame 8, supernatant fluid is collected through the supernatant fluid water outlet hole 9, and finally the liquid inlet bottom cover 2 is disassembled to discharge sediment out of the cylindrical sampling cylinder 1.