CN201083634Y - Disturbance-free shallow water bottom mud sampling and nutritive salt flux measuring equipment - Google Patents
Disturbance-free shallow water bottom mud sampling and nutritive salt flux measuring equipment Download PDFInfo
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- CN201083634Y CN201083634Y CNU2007200284526U CN200720028452U CN201083634Y CN 201083634 Y CN201083634 Y CN 201083634Y CN U2007200284526 U CNU2007200284526 U CN U2007200284526U CN 200720028452 U CN200720028452 U CN 200720028452U CN 201083634 Y CN201083634 Y CN 201083634Y
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Abstract
The utility model relates to a non-perturbation shallow substrate sludge sampling and nutrition salt flux measuring device, which is characterized in that the device comprises a substrate sludge sampler and a nutrition salt flux measuring instrument, wherein an annular sludge baffle is arranged at the lower part of a sample cultivating pipe of the substrate sludge sampler and a water inlet/outlet pipe is arranged outside the side wall above the latter. A rubber pipe with a clamp is arranged on the water inlet/outlet pipe. A charging/discharging water valve is arranged on a hollow upper end closure, and two water inlet/outlet openings are arranged at the bottom and the top of the latter. A flexible valve cover with adhesive-proof bar on the upper end face is arranged at the center of the charging/discharging water valve, and a hand-held rod is connected with the center of the upside the upper end closure. The nutrition salt flux measuring instrument has a sample cultivating pipe, and an upper opening and a lower opening of the sample cultivating pipe are connected with a closing plug. A magnetic blender extends into the sample cultivating pipe. The utility model has the advantages of low cost, convenient use and less perturbation on the settlings interface of the samples. The sampled substrate sludge can be used for nutrition salt flux measurement between the substrate sludge and water interface without transfer.
Description
Technical field
The utility model relates to nutritive salt flux determinator between a kind of no disturbance shallow water substrate sludge sampling and sediment one water termination.
Background technology
In relating to investigation such as aquatic ecosystem, marine environmental protection, research; often need shallow waters; bed mud as pond, small-sized lake and shoal water zone, ocean etc. does not have the disturbance sampling, and nutritive salt flux, oxygen flux (bed mud breathing) and other element fluxes of carrying out between bed mud one water termination are measured.In these operations, require in sampling or experimentation, to lack the bed mud that disturbance or not disturbance are adopted as far as possible.Yet currently used device is the sampling thief bigger to interfacial disturbance during big and heavy, the sampling of complex structure, build normally, though it is perhaps few in the sampling process to the bed mud disturbance, but the bed mud of adopting will manually be transferred to from sampling pipe in the culture tube carrying out the mensuration of bed mud-water termination nutritive salt flux etc. toward contact, thereby the bed mud adopted of very easily disturbance.In addition, in the bed mud incubation, need stir interfacial water usually, but currently used stirrer often costs an arm and a leg or is difficult in not disturbance bed mud in the sealed environment and only overlying water is stirred.
Summary of the invention
The utility model purpose is to provide determinator such as nutritive salt flux between a kind of shallow water substrate sludge sampling simple in structure, easy to use and bed mud one water termination, can adopt complete, the original state bed mud of set depth, and in the mensuration process, need not bed mud is shifted the mensuration directly carry out nutritive salt flux etc., can overcome the above-mentioned shortcoming of prior art.
A kind of no disturbance shallow water substrate sludge sampling and nutritive salt flux determinator, it is characterized in that being formed by sediment sampler and nutritive salt flux analyzer, described sediment sampler has the sampling culture tube, there is an annular mudguard sampling culture tube middle and lower part, the sidewall of annular mudguard top has a water inlet pipe and water outlet pipe outward, and the proofed sleeve of a Band clamp is housed on the water inlet pipe and water outlet pipe; The bottom of the upper end cover of hollow is smooth surface, the baffle plate of O-ring seal is housed, upper end cover is threaded with the sampling culture tube, a water-inflow and drain valve is arranged in the upper end cover of hollow, an intake-outlet is respectively arranged at bottom, top in the water-inflow and drain valve, the centre is that lower surface is smooth, the movable valve gap of antiseized of upper end mask, and upper end cover central upper portion place connects a holding rod; Described nutritive salt flux analyzer has the sampling culture tube, taking a sample, culture tube is suitable for reading to be threaded with the gland bonnet that water inlet pipe and water outlet pipe is housed, magnetic stirring apparatus is housed below the gland bonnet, a magnetic stir bar is arranged on the magnetic stirring apparatus, magnetic stirring apparatus stretches in the sampling culture tube; Water inlet pipe and water outlet pipe is connected with the proofed sleeve of Band clamp; The end opening of sampling culture tube is connected with the bottom cover that tightens up screw with seal gasket is arranged.
The utility model advantage has: 1) with low cost, easy to use, and few to the sediment interfacial disturbance of institute's sample thief; 2) bed mud of adopting can need not to shift and promptly be used for nutritive salt flux mensuration between bed mud-water termination; Magnetic stirring apparatus used when 3) measuring the nutritive salt flux is simple in structure, practical and can the overlying water in a plurality of culture tubes be stirred simultaneously.
Description of drawings
Fig. 1 is a sediment sampler structural representation of the present utility model.
Fig. 2 is a nutritive salt flux analyzer structural representation of the present utility model.
Fig. 3 is the vertical view of nutritive salt flux analyzer user mode.
Embodiment
The utility model is made up of sediment sampler and nutritive salt flux analyzer, and described sediment sampler has sampling culture tube 6, and there is an annular mudguard 10 sampling culture tube 6 middle and lower parts, are used for determining the degree of depth of the mud sample of adopting.The sidewall of annular mudguard 10 tops has a water inlet pipe and water outlet pipe 7 outward, and the proofed sleeve 8 of a Band clamp 9 is housed on the water inlet pipe and water outlet pipe 7, advances draining when being used for bed mud and cultivating.The bottom of the upper end cover 2 of hollow is smooth surface, the baffle plate 5 of O-ring seal is housed that upper end cover 2 is threaded with sampling culture tube 6, makes it sealing by the O-ring seal on the baffle plate 5.A water-inflow and drain valve 3 is arranged in the upper end cover 2, and an intake-outlet is respectively arranged at bottom, tops in the water-inflow and drain valve 3, and the centre is that lower surface is smooth, the movable valve gap 4 of antiseized of upper end mask, is used for controlled water flow turnover sampling pipe when sampling.The anti-stick of movable valve gap 4 upper surfaces can prevent that movable valve gap 4 is sticking mutually with the top in the water-inflow and drain valve 3.When movable valve gap 4 fell, can combine closely with ganoid baffle plate 5 again in its smooth lower surface, play the effect of closing current.Upper end cover 2 central upper portion places connect a holding rod 1, can control sediment sampler by holding rod 1 during sampling.Described nutritive salt flux analyzer has sampling culture tube 6, sampling culture tube 6 is suitable for reading to be threaded with the gland bonnet 14 that water inlet pipe and water outlet pipe 13 is housed, magnetic stirring apparatus 15 is housed below the gland bonnet 14, a magnetic stir bar 16 is arranged on the magnetic stirring apparatus 15, magnetic stirring apparatus 15 stretches in the sampling culture tube 6, is used for stirring overlying water when bed mud is cultivated.Water inlet pipe and water outlet pipe 13 is connected with the proofed sleeve 12 of Band clamp 11, is used for draining when bed mud is cultivated the displacement overlying water.The end opening of sampling culture tube 6 is connected with the bottom cover 17 that tightens up screw with seal gasket is arranged, and bottom cover 17 can be sealed the end opening of sampling culture tube 6.
When using the utility model to carry out substrate sludge sampling, the culture tube 6 of at first will taking a sample is tightened by the screw thread and the upper end cover 2 of its upper end; Twine on the outer wall of sampling culture tube 6 after proofed sleeve 8 usefulness clips 9 clamp, by holding rod 1 the sampling culture tube in the sampling thief 6 is inserted bed mud then.In inserting down process, the empty G﹠W in the pipe enters water-inflow and drain valve 3 by the aperture on the bottom baffle 5 of upper end cover 2 and washes wherein movable valve gap 4 open, and empty G﹠W is discharged the aperture above upper end cover 2 then; When bed mud bumps to mudguard 10, will draw on the sampling thief, this moment, the movable valve gap 4 in the water-inflow and drain valve 3 fell, and sealed the Inlet and outlet water aperture below it, carried sampling thief on slowly can obtain the complete original state bed mud sample in surface.When the sampling culture tube breaks away from the water surface, seal the lower port of sampling culture tube rapidly with bottom cover 17, and tighten fixing with manual screw.Screw off sampling culture tube 6 then, change another sampling culture tube and can continue to gather the sample of other fixed point.
The sampling culture tube 6 that takes off, the bed mud sample is housed covers to be taken back the laboratory behind the gland bonnet 14 and carries out bed mud-water termination nutritive salt flux and measure.When carrying out nutritive salt flux mensuration, usually the bed mud overlying water that sampling the time is mixed need be replaced with clean bottom water, bottom water can by with water inlet 7 on the proofed sleeve of ining succession 8 feed, former water and air are discharged through proofed sleeve 12 by rising pipe 13 in the sampling culture tube 6, flow velocity should be controlled in order to avoid the disturbance bed mud during water displacement, after displacement is finished, clamp proofed sleeve 8 and proofed sleeve 12 with clip 9 and clip 11 respectively.In the water-bath environment, cultivate several hours then, by the magnetic stir bar 16 (Fig. 3) in the rotation central magnet 18 drive sampling culture tubes, can put 8 sampling culture tubes around the central magnet at most and cultivate simultaneously in the incubation.After cultivating end, turn on the nutrient concentrations that gland bonnet 14 is measured in the bed mud overlying waters, the nutrient concentration difference by in the overlying water before and after relatively cultivating can calculate the nutritive salt flux between bed mud-water termination.
The utility model also can be used for the mensuration of other element fluxes between bed mud respiratory rate and bed mud-water termination, and method is the same substantially.
Claims (1)
1. no disturbance shallow water substrate sludge sampling and nutritive salt flux determinator, it is characterized in that being formed by sediment sampler and nutritive salt flux analyzer, described sediment sampler has sampling culture tube (6), there is an annular mudguard (10) sampling culture tube (6) middle and lower part, the sidewall of annular mudguard (10) top has a water inlet pipe and water outlet pipe (7) outward, and the proofed sleeve (8) of a Band clamp (9) is housed on the water inlet pipe and water outlet pipe (7); The bottom of the upper end cover of hollow (2) is smooth surface, the baffle plate (5) of O-ring seal is housed, upper end cover (2) is threaded with sampling culture tube (6), a water-inflow and drain valve (3) is arranged in the upper end cover of hollow (2), an intake-outlet is respectively arranged at bottom, top in the water-inflow and drain valve (3), the centre is that lower surface is smooth, the movable valve gap (4) of antiseized of upper end mask, and upper end cover (2) central upper portion place connects a holding rod (1); Described nutritive salt flux analyzer has sampling culture tube (6), sampling culture tube (6) is suitable for reading to be threaded with the gland bonnet that water inlet pipe and water outlet pipe (13) are housed (14), magnetic stirring apparatus (15) is housed below the gland bonnet (14), a magnetic stir bar (16) is arranged on the magnetic stirring apparatus (15), and magnetic stirring apparatus (15) stretches in the sampling culture tube (6); Water inlet pipe and water outlet pipe (13) is connected with the proofed sleeve (12) of Band clamp (11); The end opening of sampling culture tube (6) is connected with the bottom cover that tightens up screw (17) with seal gasket is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200284526U CN201083634Y (en) | 2007-09-23 | 2007-09-23 | Disturbance-free shallow water bottom mud sampling and nutritive salt flux measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200284526U CN201083634Y (en) | 2007-09-23 | 2007-09-23 | Disturbance-free shallow water bottom mud sampling and nutritive salt flux measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201083634Y true CN201083634Y (en) | 2008-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200284526U Expired - Fee Related CN201083634Y (en) | 2007-09-23 | 2007-09-23 | Disturbance-free shallow water bottom mud sampling and nutritive salt flux measuring equipment |
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| CN (1) | CN201083634Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793635B (en) * | 2009-12-18 | 2011-09-07 | 杭州电子科技大学 | Shallow water low-disturbed sediment sampler |
| CN101441207B (en) * | 2008-12-23 | 2012-07-11 | 浙江大学 | Integrated apparatus for researching sediment sampling and laminated gradient |
| CN102914634A (en) * | 2012-10-17 | 2013-02-06 | 中国水产科学研究院南海水产研究所 | Determining system for flux of bottom mud nutritive salt under condition of simulating natural environment |
| CN103969402A (en) * | 2014-04-28 | 2014-08-06 | 中国科学院海洋研究所 | Multifunctional in-situ sampling device for seabed flux and sediment |
| CN104535734A (en) * | 2014-12-19 | 2015-04-22 | 西安建筑科技大学 | Experimental device for measuring water eutrophication driving force factor |
| CN106353138A (en) * | 2016-09-06 | 2017-01-25 | 天津渤海水产研究所 | Water sample and bottom sediment collecting device for bottom water course coupled interface |
-
2007
- 2007-09-23 CN CNU2007200284526U patent/CN201083634Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441207B (en) * | 2008-12-23 | 2012-07-11 | 浙江大学 | Integrated apparatus for researching sediment sampling and laminated gradient |
| CN101793635B (en) * | 2009-12-18 | 2011-09-07 | 杭州电子科技大学 | Shallow water low-disturbed sediment sampler |
| CN102914634A (en) * | 2012-10-17 | 2013-02-06 | 中国水产科学研究院南海水产研究所 | Determining system for flux of bottom mud nutritive salt under condition of simulating natural environment |
| CN103969402A (en) * | 2014-04-28 | 2014-08-06 | 中国科学院海洋研究所 | Multifunctional in-situ sampling device for seabed flux and sediment |
| CN103969402B (en) * | 2014-04-28 | 2015-09-23 | 中国科学院海洋研究所 | Flux and sediment situ sampling device at the bottom of a kind of Multifunction fishing |
| CN104535734A (en) * | 2014-12-19 | 2015-04-22 | 西安建筑科技大学 | Experimental device for measuring water eutrophication driving force factor |
| CN106353138A (en) * | 2016-09-06 | 2017-01-25 | 天津渤海水产研究所 | Water sample and bottom sediment collecting device for bottom water course coupled interface |
| CN106353138B (en) * | 2016-09-06 | 2024-01-12 | 天津市水产研究所 | Water sample and bottom mud collecting device of bottom water layer coupling interface |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |