CN202485942U - Columnar sediment sampler - Google Patents
Columnar sediment sampler Download PDFInfo
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- CN202485942U CN202485942U CN2012200544717U CN201220054471U CN202485942U CN 202485942 U CN202485942 U CN 202485942U CN 2012200544717 U CN2012200544717 U CN 2012200544717U CN 201220054471 U CN201220054471 U CN 201220054471U CN 202485942 U CN202485942 U CN 202485942U
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Abstract
The utility model belongs to the technical field of environmental management, and relates to a columnar sediment sampler. The columnar sediment sampler comprises two parts, namely, a sediment fixing tube and a sediment sampling tube, wherein the sediment sampling tube is a hollow elastic material columnar tube; a tube body is divided into a lower half section and an upper half section; a two-way scale is engraved on the lower half section; a sawed gap is vertically arranged on the lower half section; the sawed gap separates the lower half section into two semi-column shapes which are elastically connected together; a drainage hole is transversely formed in the middle position of the upper half section; and a booster handle is arranged at the top end of the upper half section, and the sediment fixing tube is a hollow column tube of which the inner diameter is 4-8 times that of the sediment sampling tube. The sampler has the advantages that the structure is simple, the quality is light, the operation is convenient and the cost is low; and the structure and the level of peripheral sediments after sampling are not affected, and 3-5 parts of settlement column samples can be collected at the same time. The columnar sediment sampler can be used for researching a change rule of each element in sediments of a lake microcosm simulation system along with the depths of the sediments under different environment conditions.
Description
Technical field
The utility model belongs to the field, relates to a kind of column shaped deposit sampling instrument, is specifically related to the sampling thief that the column sediment sample is gathered in a kind of lake microcosm simulation system that is applicable to indoor structure.
Background technology
The lake is the important component part of aquatic ecosystem.Current, the lake eutrophication problem has become one of domestic and international important water environmental problems that extensively faces.Sediment is the important place that material migration transforms in the lake ecosystem, and sedimental physicochemical property and its degree of depth are closely related.Have in recent years much and report about the research of migration transformation rules such as nutritive salt, pollutant in the different depth sediment of lake.These researchs are directly carried out measuring its various indexs after the layering mainly based on from natural lake ecosystem, gathering the columnar deposition matter sample.This research method only is confined to the layering rule research to each key element in the natural environmental condition deposit thing, can't relate to the comparative study of the Changing Pattern of parameters in the different environmental conditions deposit thing.
Indoor microcosm is meant at the ecosystem of the simulating nature circle ecologic environment of experiment indoors artificial design construction, can be used for studying and exploring some ecological process and the rule in the natural system.The lake microcosm simulation system of indoor structure mainly is made up of water body and sediment, and in system, increases specific hydrobiont according to the test needs.The 26S Proteasome Structure and Function and the nature lake ecosystem of lake microcosm simulation system have certain similarity; But simpler than nature lake system, scale is less, what the various environmental baselines of system (like temperature, illumination, water nutrition salinity level etc.) can be artificial regulating and controlling.The result that test obtains according to microcosm can try to be generalized to the open-air ecosystem, is used to explain some processes and the rule of nature lake system.In recent years, increasing researchist makes up lake microcosm simulation system through from physical environment, gathering water body and sediment in the laboratory, studies in the varying environment condition deposit thing each key element with the Changing Pattern of sediment depth.
But; Existing column shaped deposit Sampling techniques mainly are applicable to the collection of lake column shaped deposit in the open-air physical environment; This type column shaped deposit sampling instrument volume is big, quality heavy, cost is high, and after an area sampling, tends to destroy sedimental structure in neighboring area and level.And less at the general volume of microcosm simulation system of indoor structure, it is many that experiment is divided into groups, and needs the column shaped deposit sample size of collection also many, and a sampling thief is often not enough.Therefore, existing lake sediment sampling thief can't be applicable to the sedimental collection of column under the indoor microcosm simulated conditions.
The utility model content
The technical purpose of the utility model is to overcome the defective of existing column shaped deposit sampling instrument, and a kind of column shaped deposit sampling instrument that is applicable to the research of indoor microcosm simulation system is provided.The characteristics of the column shaped deposit sampling instrument of the utility model have: volume is little, light weight, cheap, simple in structure, easy to operate, can realize gathering many parts of columnar deposition matter samples simultaneously and the technique effect that do not destroy peripheral sediment structure and level.
In order to realize the technical purpose of the utility model, the technical scheme of the utility model is following.
A kind of column shaped deposit sampling instrument is characterized in that mainly being made up of sediment sampling pipe and sediment stationary pipes two parts; Described sediment sampling pipe is an elastic material hollow columnar pipe, and body is divided into lower semisection and upper semisection; Described lower semisection is carved with centre zero scale, and lower semisection vertically is provided with one and cuts the slit, cuts the slit lower semisection is split up into the two lobe semi-cylindricals that elasticity links together; Described upper semisection is the horizontally set osculum in the centre position; The upper semisection top is provided with afterburning handle; Described sediment stationary pipes is that internal diameter is the hollow cylinder pipe of 4~8 times of sediment sampling pipes.
Further, described sediment sampling pipe pref. cylindrical.
Further, described sediment sampling bore 1cm, body length 50cm; Cutting gap length is 35cm; Centre zero scale is 30cm (being the centre zero scale of length 0~30cm and 30~0cm); Osculum is arranged on body upper semisection centre position.
Further, the described center of cutting between two scales that the slit is arranged on centre zero scale.
Further, described sediment sampling pipe lower semisection lowermost end and/or sediment stationary pipes least significant end are the sharpening bottom; The purpose of fining away in the bottom is to be convenient to body is inserted in the sediment.
Further, described afterburning handle and sediment sampling pipe upper semisection top are through being threaded.
Further, described sediment stationary pipes pref. cylindrical.
Further, described sediment stationary pipes is the organic glass material.
Further, described sediment stationary pipes internal diameter 4~8cm, length is 40cm.
The described column shaped deposit sampling instrument of the utility model mainly is made up of sediment sampling pipe and sediment stationary pipes two parts; There is not the annexation on structure and the configuration between described these two parts; But when the sediment of microcosm system is sampled; Must be used, promptly two parts constitute complete sampling thief to realize the technique effect of the utility model; In addition, when the utility model packing of product and purchase, also often two parts are packed together and sold.
Utilize the described column shaped deposit sampling instrument of the utility model following in the method that the sediment of lake microcosm simulation system is sampled.
Before the sampling, at first the lower semisection (part that cuts the slit is promptly arranged) of sediment sampling pipe body is swathed and make that to cut the slit closed fully, and connect afterburning handle with adhesive tape.According to the quantity of gathering the columnar deposition matter sample, the sediment stationary pipes that is fit to specification is vertically inserted the sediment sampling zone.Then, 3~5 sampling pipes are vertically inserted in the stationary pipes, sediment sample gets into the sampling pipe body thereupon, makes sampling pipe arrive the sediment bottom through afterburning handle reinforcing.One hand steered firm fixed tube, all sampling pipes of another hand pull-up vertically upward simultaneously utilize the viscous force of sediment itself, make sediment sample be kept in the sampling pipe and not landing.After sampling pipe left the water, the lateral deviation sampling pipe made the water on institute sample thief top flow out from osculum.At last, the afterburning handle of dismantling is placed horizontally at sampling pipe on the experiment table.Scratch adhesive tape with scalpel along the slit of cutting of sampling pipe; Separate the half-terete lower semisection body of two lobes; Make the sediment lobe tube wall that is placed in one inboard; According to the centre zero scale that marks on the tube wall, intuitively column shaped deposit is carried out the stratified sampling of different depth according to experiment needs application blade, the sample of obtaining can directly be used for subsequent analysis.
The beneficial effect of the utility model has: (1) is simple in structure, light weight, easy to operate, with low cost; (2) owing to be provided with the sediment stationary pipes; Sampling work carries out in stationary pipes; And can not destroy peripheral sedimental structure and the level beyond the stationary pipes zone, and it is unaffected with level therefore to use the sediment stationary pipes sedimental structure of rear perimeter edge that can guarantee fully to sample, and the microcosm system after the sampling can continue to move; Reduce the quantity that needs the microcosm system of structure, practiced thrift cost; (3) can gather 3~5 parts of sediment columnar samples simultaneously, improve sampling efficiency.
Description of drawings
Fig. 1 is the sediment stationary pipes synoptic diagram of the utility model.
Wherein, 1-body; Bottom 4-fines away.
Fig. 2 is the sediment sampling pipe synoptic diagram of the utility model.
Wherein, 1-body; The 2-centre zero scale; 3-cuts the slit; Bottom 4-fines away; The 5-osculum; The afterburning handle of 6-.
Fig. 3 is an A partial enlarged view among Fig. 2.
Wherein, 3-cuts the slit.
Fig. 4 is the synoptic diagram that the sediment sampling pipe lower semisection body of the utility model is divided into two lobes.
Wherein, 1-body; 3-cuts the slit; The 5-osculum.
Embodiment
Can know that in conjunction with Figure of description the described lake of the utility model microcosm simulation system column shaped deposit sampling instrument comprises: sediment stationary pipes (Fig. 1) and sediment sampling pipe (Fig. 2 and Fig. 3) two parts.Described sediment sampling pipe is an elastic material hollow columnar pipe, and body (1) is divided into lower semisection and upper semisection; Described lower semisection is carved with centre zero scale (2), and lower semisection vertically is provided with one and cuts slit (3), cuts slit (3) lower semisection is split up into the two lobe semi-cylindricals that elasticity links together; Described upper semisection is horizontally set osculum (5) in the centre position; The upper semisection top is provided with afterburning handle (6); Described sediment stationary pipes is that internal diameter is the hollow cylinder pipe of 4~8 times of sediment sampling pipes.
Further, described sediment sampling pipe pref. cylindrical.Described long-pending thing sample tube inner diameter 1cm, body (1) length 50cm; Cutting gap length (3) is 35cm; Centre zero scale (2) length is 30cm (being the centre zero scale of length 0~30cm and 30~0cm); Osculum (5) is arranged on body (1) upper semisection centre position.
The described center of cutting between two scales that slit (3) is arranged on centre zero scale (2).Described sediment sampling pipe lower semisection lowermost end and/or sediment stationary pipes least significant end are sharpening bottom (4); The purpose of fining away in the bottom is to be convenient to body (1) is inserted in the sediment.
Further, afterburning handle (6) of described sediment sampling pipe and body (1) upper semisection top are through being threaded.That is, sampling pipe body (1) top is an external thread, and this screw thread is corresponding with the internal thread of afterburning handle (6) parts, can sampling pipe body (1) and afterburning handle (6) be coupled together through being threaded.
Further, described sediment stationary pipes pref. cylindrical.
Further, described sediment stationary pipes is the organic glass material.
Further, described sediment stationary pipes internal diameter 4~8cm, length is 40cm.
The described column shaped deposit sampling instrument of the utility model mainly is made up of sediment sampling pipe and sediment stationary pipes two parts; There is not the annexation on structure and the configuration between these two parts; But when the sediment of microcosm system is sampled; Must be used, promptly two parts constitute complete sampling thief to realize the technique effect of the utility model; In addition, when the utility model packing of product and purchase, also often two parts are packed together and sold.
The method of utilizing the described column shaped deposit sampling instrument of the utility model that lake microcosm simulation system sediment is sampled is following.
Before the sampling, at first the lower semisection (part that cuts slit (3) is promptly arranged) of sediment sampling pipe body (1) is swathed and make that to cut slit (3) closed fully, and connect afterburning handle (6) with adhesive tape.According to the quantity of gathering the columnar deposition matter sample, the sediment stationary pipes that is fit to specification is vertically inserted the sediment sampling zone.Then, 3~5 sampling pipes are vertically inserted in the stationary pipes, sediment sample gets into sampling pipe body (1) thereupon, makes sampling pipe arrive the sediment bottom through afterburning handle (6) reinforcing.One hand steered firm fixed tube, all sampling pipes of another hand pull-up vertically upward simultaneously utilize the viscous force of sediment itself, make sediment sample be kept in the sampling pipe and not landing.After sampling pipe left the water, the lateral deviation sampling pipe made the water on institute sample thief top flow out from osculum (5).At last, the afterburning handle (6) of dismantling is placed horizontally at sampling pipe on the experiment table.Scratch adhesive tape with scalpel along the slit (3) of cutting of sampling pipe, half-terete lower semisection bodys of two lobes (Fig. 4) separately make the sediment lobe tube wall that is placed in one inboard.According to the centre zero scale that marks on the tube wall (2), intuitively column shaped deposit is carried out the stratified sampling of different depth according to experiment needs application blade, the sample of obtaining can directly be used for subsequent analysis.
With deionized water purge pipe body (1), air-dry can next time the sampling afterwards.
Claims (9)
1. a column shaped deposit sampling instrument is characterized in that mainly being made up of sediment sampling pipe and sediment stationary pipes two parts; Described sediment sampling pipe is an elastic material hollow columnar pipe, and body (1) is divided into lower semisection and upper semisection; Described lower semisection is carved with centre zero scale (2), and lower semisection vertically is provided with one and cuts slit (3), cuts slit (3) lower semisection is split up into the two lobe semi-cylindricals that elasticity links together; Described upper semisection centre position horizontally set osculum (5); The upper semisection top is provided with afterburning handle (6); Described sediment stationary pipes is that internal diameter is the hollow cylinder pipe of 4~8 times of sediment sampling pipes.
2. column shaped deposit sampling instrument according to claim 1 is characterized in that described sediment sampling pipe is cylindrical.
3. column shaped deposit sampling instrument according to claim 1 is characterized in that described sediment sampling bore 1 cm, body (1) length 50 cm; Cutting gap length (3) is 35 cm; Centre zero scale (2) length is 30 cm; Osculum (5) is arranged on body (1) upper semisection centre position.
4. column shaped deposit sampling instrument according to claim 1 is characterized in that described sediment sampling pipe cuts the center between two scales that slit (3) is arranged on centre zero scale (2).
5. column shaped deposit sampling instrument according to claim 1 is characterized in that described sediment sampling pipe lower semisection lowermost end and/or sediment stationary pipes least significant end are sharpening bottom (4).
6. column shaped deposit sampling instrument according to claim 1 is characterized in that described afterburning handle (6) and upper semisection top are through being threaded.
7. column shaped deposit sampling instrument according to claim 1 is characterized in that described sediment stationary pipes is cylindrical.
8. column shaped deposit sampling instrument according to claim 1 is characterized in that described sediment stationary pipes is the organic glass material.
9. column shaped deposit sampling instrument according to claim 1 is characterized in that described sediment stationary pipes internal diameter 4~8 cm, and length is 40 cm.
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CN2012200544717U CN202485942U (en) | 2012-02-20 | 2012-02-20 | Columnar sediment sampler |
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CN2012200544717U CN202485942U (en) | 2012-02-20 | 2012-02-20 | Columnar sediment sampler |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106989954A (en) * | 2017-05-25 | 2017-07-28 | 中国水产科学研究院淡水渔业研究中心 | A kind of sediment collecting device in rice fishing interaction system |
CN107328923A (en) * | 2017-06-15 | 2017-11-07 | 广西壮族自治区海洋研究所 | It is a kind of to observe the method that invertebrate bores latent depth |
CN107356734A (en) * | 2017-06-13 | 2017-11-17 | 广西壮族自治区海洋研究所 | A kind of device for determining invertebrate and boring latent depth |
CN109406244A (en) * | 2018-12-29 | 2019-03-01 | 中国科学院南京地理与湖泊研究所 | A kind of water plant root exudates original position collection device |
CN110887693A (en) * | 2019-12-07 | 2020-03-17 | 广西师范大学 | Forest soil layer sampling device |
-
2012
- 2012-02-20 CN CN2012200544717U patent/CN202485942U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106989954A (en) * | 2017-05-25 | 2017-07-28 | 中国水产科学研究院淡水渔业研究中心 | A kind of sediment collecting device in rice fishing interaction system |
CN107356734A (en) * | 2017-06-13 | 2017-11-17 | 广西壮族自治区海洋研究所 | A kind of device for determining invertebrate and boring latent depth |
CN107328923A (en) * | 2017-06-15 | 2017-11-07 | 广西壮族自治区海洋研究所 | It is a kind of to observe the method that invertebrate bores latent depth |
CN109406244A (en) * | 2018-12-29 | 2019-03-01 | 中国科学院南京地理与湖泊研究所 | A kind of water plant root exudates original position collection device |
CN109406244B (en) * | 2018-12-29 | 2023-10-10 | 中国科学院南京地理与湖泊研究所 | Aquatic plant root system secretion normal position collection device |
CN110887693A (en) * | 2019-12-07 | 2020-03-17 | 广西师范大学 | Forest soil layer sampling device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20140220 |