CN105784420A - Shallow water deposit and water sample collection device and method thereof - Google Patents
Shallow water deposit and water sample collection device and method thereof Download PDFInfo
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- CN105784420A CN105784420A CN201610230507.5A CN201610230507A CN105784420A CN 105784420 A CN105784420 A CN 105784420A CN 201610230507 A CN201610230507 A CN 201610230507A CN 105784420 A CN105784420 A CN 105784420A
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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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
- G01N1/12—Dippers; Dredgers
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Abstract
The invention discloses a shallow water deposit and water sample collection device and using method thereof.The device comprises a sampling tube, hole sampling tube cap, a piston pushing rod, an upper choke plug, a lower choke plug, a check valve, an extension rod, a deposit collection head, a water sample collection head and a deposit slicing head.When water is collected, the upper end of the sampling tube is sequentially connected with the hole sampling tube cap, the check valve and the extension rod, and the lower end of the sampling tube is connected with the water sample collection head; when deposit is collected, the upper end of the sampling tube is sequentially connected with the hole sampling tube cap, the check valve and the extension rod, and the lower end of the sampling tube is connected with the deposit collection head; when the deposit is stored, the upper end of the sampling tube is connected with the upper choke plug, and the lower end of the sampling tube is connected with the lower choke plug; when the deposit is cut, the upper end of the sampling tube is inserted into the piston push rod, and the lower end of the sampling tube is connected with the deposit slicing head.Deposit collection and water sample collection are integrated, in-situ layering characteristics of samples can be stored, the structure is simple, the manufacturing cost is low, carrying is easy, use is convenient, and the device is multifunctional and has the wide application value.
Description
Technical field
The invention belongs to experimental apparatus field, be specifically related to a kind of shallow-water deposit thing and water sample acquisition device and method thereof.
Background technology
In recent years, along with the fast development of industrial or agricultural, the contaminated degree of water body is increasingly sharpened, and wherein water body and land junction section are by effect of human activity the best part.Coastal waters is shallower, the envirment factor cyclically-varying such as dissolved oxygen, oxidation-reduction potential so that basic sediment microbial population multiformity is higher, has multiple metabolic characteristic, has important researching value.
In order to study pollutant and microbial profile situation and microbial population multiformity in offshore shallow-water deposit thing, need to gather water bottom deposit and water sample, and deposit is layered research, and to keep good original position stratification state when sampling and avoid the mutual pollution between different depth deposit.
At present, the method gathering water bottom deposit mainly has two kinds: boring sampling and grab sampler sampling.Although this two big class method of sampling can obtain water bottom deposit, but both method of samplings have the disadvantage that there is serious deposit mixed phenomenon, the follow-up research that cannot be carried out pollutant and microorganism vertical distribution mutually.Additionally, the research of deposit is had important assosting effect by the water body sample near basic sediment, the both the above method of sampling cannot gather water bottom S & W body sample simultaneously.So, effectively study shallow water body BS&W sample character for convenience, design a kind of novel layer-stepping sampling apparatus integrating deposit collection and water sampling necessary.
Summary of the invention
It is an object of the invention to not easily to obtain for the sample existed in shallow-water deposit thing and water sampling process and sample is mutually miscible in collection causes the problems such as sample pollution mutually, it is provided that a kind of shallow-water deposit thing and water sample acquisition device and using method thereof.
A kind of shallow-water deposit thing and water sample acquisition device, including sampling tube, sampling tube lid with holes, upper baffle, under silently, check-valves, extension rod, deposit collection head, water sampling head and deposit section head;
Described check-valves upper end is connected with described extension rod, internal vertical is fixed with pressure pin, pressure pin external rings is wound with spring, along being surrounded with sealing ring in check-valves bottom, spring one end is supported in check-valves inner surface top, and the other end connects baffle plate, and is peaked at by baffle plate on sealing ring, make baffle plate except being subject to active force from bottom to top, be all close to sealing ring and water above check-valves cannot be refluxed by check-valves;
Described check-valves has been connected below sampling tube lid with holes, and the sampling tube of column is detachably secured in sampling tube lid with holes, and both connecting portions are provided with the first silica gel sealing pad;According to the detachable immobilized sediment collection head of user demand, water sampling head and deposit section head below sampling tube;
Described deposit collection head is circular wedge structure, reduces resistance when being used for inserting deposit;
Described water sampling head is hollow tubular, bottom interior wall is provided with annular protrusion, on annular protrusion, side is hinged with circular baffle plate by hinge, circular baffle plate is contacted with annular protrusion by the 4th silica gel sealing pad, during circular baffle plate laminating the 4th silica gel sealing pad, the water in water sampling head cannot flow out from bottom;Described circular baffle plate is connected to rope;
Described deposit section head body is hollow tubular, and body lower part is connected to the swivel head of annular by rotary bayonet, and swivel head is fixed with a finer wire by the diameter of steel wire card opening's edge cross section;
Upper baffle and under be silently detachably secured to sampling tube two ends according to user demand, upper baffle and under be silently respectively equipped with the second silica gel sealing pad and the 3rd silica gel sealing pad with sampling tube contact site.
As preferably, described sampling tube lid with holes is provided with annular lacing hole;Under use state, described rope is through annular lacing hole and by user control.
As preferably, described extension rod is hollow pipe, and with check-valves inner space;When circular baffle plate departs from the 4th silica gel sealing pad, check-valves inner chamber connects with sampling tube;Described check-valves and extension rod connecting portion are provided with osculum, are used for discharging the internal hydrops of extension rod.
As preferably, also including piston push rod, described piston push rod includes scale bar, handle holder and rubber slide block, scale masthead portion is fixed with handle holder, bottom connects rubber slide block, and described rubber slide block cross section is circular, and diameter is equal or slightly larger than sample tube inner diameter.
As preferably, described detachable fixing be threaded.
As preferably, described extension rod is the multisection type body of rod of detachable connection.
Another object of the present invention is to provide a kind of shallow-water deposit thing using described device and water sampling method, step is as follows:
Shallow-water deposit thing acquisition method: connect deposit collection head in sampling tube lower end, deposit collection head sharply faces down, the sampling tube installing deposit collection head is inserted vertically into water bottom deposit to designated depth, when deposit is full of sampling tube, lifting up extension rod, the hydrops in extension rod is discharged by osculum;Take off deposit collection head;
When without taking out sediment sample immediately, take off deposit collection head, with upper baffle and under silently seal sampling tube two ends after, sampling tube is placed in preservation container in;When needs take out sediment sample, take out upper baffle and under silently, connect deposit section head in sampling tube lower end, utilize piston push rod to be released after predetermined length by the deposit in sampling tube, swivel head in rotating and depositing thing section head, utilizes finer wire to cut off sediment sample;Recycling piston push rod and swivel head repeat sample cutting;
Water sampling method: after sampling tube lower end connects water sampling head, tension rope makes circular baffle plate laminating the 4th silica gel sealing pad, again water sampling head is sunk down into the default depth of water, unclamping rope makes circular baffle plate depart from the 4th silica gel sealing pad, after standing or rocking certain time, pull rope to make circular baffle plate laminating the 4th silica gel sealing pad, lift up extension rod and water sampling head is pulled out the water surface, then the water sample in water sampling head is collected.
Invention compared with prior art has the advantages that 1) shallow-water deposit thing and water sample acquisition device upper end increase length by extension rod, and solving artificial sample needs the difficult point of entrance water body.
2) design check-valves, when gathering deposit, promote check-valves in the process of sampling tube and stop liquid, make to be formed in sampling tube negative pressure, it is to avoid lifts up the landing of deposit during sampling tube;Also make the hydrops in the extension rod body of rod of hollow discharge either directly through osculum, it is prevented that flow-reversing impingement sediment sample or water sample simultaneously.
3) particular design water sampling head, during sampling, tension rope buckles circular baffle plate, makes sampling head lower end closed, it is to avoid lift up the pollution between the water sample of different layers position during sampling tube, it is achieved that stratified sampling function.
4) design piston push rod and deposit section head, for sediment sample Slice by slice cutting, can effectively obtaining the sediment sample of different levels and avoid the sample mixed pollution caused mutually.
Accompanying drawing explanation
Fig. 1 is shallow-water deposit thing and water sample acquisition device structural representation (connecting deposit collection head state).
Fig. 2 is sampling tube and the piston push rod structural representation of the present invention, and wherein left figure is sampling tube, middle figure be upper baffle and under silently, right figure is piston push rod.
Fig. 3 is the check-valves profile of the present invention.
Fig. 4 is the water sampling head profile of the present invention.
Fig. 5 is deposit section head profile and the top view of the present invention.
In figure: sampling tube 1, sampling tube lid 2 with holes, piston push rod 3, upper baffle 4, under silently 5, check-valves 6, extension rod 7, deposit collection head 8, water sampling 9, deposit section 10, annular lacing hole 11, first silica gel sealing pad 12, second silica gel sealing pad 13, 3rd silica gel sealing pad 14, scale bar 15, handle holder 16, rubber slide block 17, baffle plate 18, spring 19, sealing ring 20, pressure pin 21, osculum 22, circular baffle plate 23, hinge 24, 4th silica gel sealing pad 25, rope 26, rotary bayonet 27, swivel head 28, finer wire 29, steel wire bayonet socket 30.
Detailed description of the invention
As Figure 1-5, deposit and water sample acquisition device include sampling tube 1, sampling tube lid 2 with holes, piston push rod 3, upper baffle 4, under silently 5, check-valves 6, extension rod 7, deposit collection head 8, water sampling 9 and deposit section 10.Wherein, sampling tube lid 2 with holes includes annular lacing hole the 11, first silica gel sealing pad 12;The built-in second silica gel sealing pad 13 of upper baffle 4, under silently 5 built-in 3rd silica gel sealing pad 14;Piston push rod 3 includes scale bar 15, handle holder 16, rubber slide block 17;Check-valves 6 includes baffle plate 18, spring 19, sealing ring 20, pressure pin 21, osculum 22, and lower inside is tapped with female thread, and upper outside is externally threaded;Water sampling 9 includes circular baffle plate 23, hinge the 24, the 4th silica gel sealing pad 25 and rope 26, is tapped with female thread inside upper end;Deposit section 10 includes rotary bayonet 27, swivel head 28, is tapped with female thread inside upper end, and swivel head fixes finer wire 29 by steel wire bayonet socket 30.
The concrete connected mode of shallow-water deposit thing and each parts of water sample acquisition device is as follows:
Described check-valves 6 upper end is connected with described extension rod 7, internal vertical is fixed with pressure pin 21, pressure pin 21 external rings is wound with spring 19, along being surrounded with sealing ring 20 in check-valves 6 bottom, spring 19 one end is supported in check-valves 6 inner surface top, and the other end connects baffle plate 18, and is peaked at by baffle plate 18 on sealing ring 20, make baffle plate 18 except being subject to active force from bottom to top, be all close to sealing ring 20 and water above check-valves 6 cannot pass through check-valves 6 and reflux;
Described check-valves 6 has been connected below sampling tube lid 2 with holes, and the sampling tube 1 of column is detachably secured in sampling tube lid 2 with holes, and both connecting portions are provided with the first silica gel sealing pad 12;According to the detachable immobilized sediment collection head 8 of user demand, water sampling 9 and deposit section 10 below sampling tube 1.Sampling tube lid 2 with holes is provided with annular lacing hole 11;Under use state, described rope 26 is through annular lacing hole 11 and by user control.
Described deposit collection head 8 is circular wedge structure, reduces resistance when being used for inserting deposit.
Described water sampling 9 is hollow tubular, bottom interior wall is provided with annular protrusion, on annular protrusion, side is hinged with circular baffle plate 23 by hinge 24, circular baffle plate 23 is contacted with annular protrusion by the 4th silica gel sealing pad 25, circular baffle plate 23 fit the 4th silica gel sealing pad 25 time, the water in water sampling 9 cannot flow out from bottom;Described circular baffle plate 23 is connected to rope 26.
Described deposit section 10 body be hollow tubular, and body lower part is connected to annular swivel head 28 by rotary bayonet 27, and swivel head 28 is fixed with a finer wire 29 by steel wire bayonet socket 30 along the diameter of cross section.
Upper baffle 4 and under silently 5 be detachably secured to sampling tube 1 two ends according to user demand, upper baffle 4 and under silently 5 be respectively equipped with the second silica gel sealing pad 13 and the 3rd silica gel sealing pad 14 with sampling tube 1 contact site.
Extension rod 7 is hollow pipe, and with check-valves 6 inner space;When circular baffle plate 23 departs from the 4th silica gel sealing pad 25, check-valves 6 inner chamber connects with sampling tube 1;Described check-valves 6 is provided with osculum 22 with extension rod 7 connecting portion, is used for discharging the internal hydrops of extension rod 7.
Said apparatus supporting can also arrange piston push rod 3, piston push rod 3 includes scale bar 15, handle holder 16 and rubber slide block 17, scale bar 15 top is fixed with handle holder 16, bottom connects rubber slide block 17, described rubber slide block 17 cross section is circular, and diameter is equal or slightly larger than sampling tube 1 internal diameter.
In above-mentioned each parts, detachable optional different modes, but consider simplicity of operation, it is preferred to threaded.Meanwhile, extension rod 7 is preferably the multisection type body of rod of detachable connection, in order to adjust length.
A kind of shallow-water deposit thing using described device and water sampling method, step is as follows:
Shallow-water deposit thing acquisition method: connect deposit collection head 8 in sampling tube 1 lower end, deposit collection head 8 sharply faces down, the sampling tube 1 installing deposit collection head 8 is inserted vertically into water bottom deposit to designated depth, when deposit is full of sampling tube 1, lifting up extension rod 7, the hydrops in extension rod 7 is discharged by osculum 22;Take off deposit collection head 8;
When without taking out sediment sample immediately, take off deposit collection head 8, with upper baffle 4 and under silently 5 seal sampling tube 1 two ends after, sampling tube 1 is placed in preservation container;When needs take out sediment sample, take out upper baffle 4 and under silently 5, connect deposit section 10 in sampling tube 1 lower end, promote piston that deposit is released sampling tube 1, often release designated length and namely twist swivel head 28 1 weeks by deposit cutting subpackage, for subsequent experimental.
Shallow water body water sampling method: first, screw on sampling tube lid 2 with holes in sampling tube 1 sampling tube 1 threaded upper ends place, screw on water sampling 9 in screw thread place, lower end, rope 26 is held by annular lacing hole 11 hands on sampling tube lid 2 with holes, water sampling 9 is down, sampling tube lid 2 threaded upper ends connector with holes is screwed on check-valves 6, and extension rod 7 of screwing at check-valves 6 threaded upper ends place, extension rod 7 can select installation length according to actual needs, the sampling tube 1 installing water sampling 9 is also inserted vertically into water body to designated depth by tension rope 26, unclamp rope 26 now water sample and be full of sampling tube 1, and check-valves 6 allows liquid to pass through and discharges from osculum 22, tension rope 26, lift up sampling apparatus, now, check-valves 6 closes, water sample is suggested with sampling tube 1;Then, open circular baffle plate 23 and water sample is poured into specified containers, transport to laboratory.
The shape and size of above-mentioned each parts can specific design as follows, in order to more easily use: sampling tube 1 is cylindrical shape, and external diameter is 60~100mm, and wall thickness is 2~4mm, and length is 600~1000mm, and material is stainless steel tube.Described sampling tube lid 2 main body with holes is cylindrical shape, and the difference of its internal diameter and sampling tube external diameter is 1~2mm, and wall thickness is 4~6mm, and the middle part of top cover is threaded connection check-valves 6, connector external diameter 20mm, and material is rustless steel.Described check valve body is stainless steel, and lower end and sampling tube lid with holes are threaded connection, and connector internal diameter 20mm, interior panelling 18 is aluminum alloy material, and top sets osculum 22, and diameter is 5mm, and top is threaded connection extension rod 7.Described piston push rod 3 is cylinder stock, and material is rustless steel, cross-sectional diameter 10mm, and length is 600mm~1000mm, and side has scale can count length, and top is threaded connection handle holder 16, and lower end is fixed with rubber slide block 17.Described extension rod 7 is cylindrical stainless steel tube, and length is 500mm, and external diameter is 20mm, wall thickness 4mm, and upper end is externally threaded, and lower end is tapped with female thread, can pass sequentially through threaded.Described deposit collection head 8 is cylindrical shape, external diameter 60~100mm, and upper inner is tapped with female thread, and longitudinal cross-section, bottom is del structure, top wall thickness 4mm, lower end wall thickness 1mm, and material is rustless steel.Described water sampling 9 external diameter 60~100mm, wall thickness 4mm, baffle plate is diameter 60~100mm circle stainless steel substrates, and thickness is 2mm.Described deposit section 10 is cylindrical shape, external diameter 60~100mm, wall thickness 4mm, embedded finer wire 29 diameter 1mm.
Embodiment described above is the one preferably scheme of the present invention, and so it is not intended to limiting the invention.About the those of ordinary skill of technical field, without departing from the spirit and scope of the present invention, it is also possible to make a variety of changes and modification.Therefore the technical scheme that all modes taking equivalent replacement or equivalent transformation obtain, all falls within protection scope of the present invention.
Claims (7)
1. a shallow-water deposit thing and water sample acquisition device, it is characterized in that, including sampling tube (1), sampling tube lid with holes (2), upper baffle (4), under silently (5), check-valves (6), extension rod (7), deposit collection head (8), water sampling head (9) and deposit section head (10);
Described check-valves (6) upper end is connected with described extension rod (7), internal vertical is fixed with pressure pin (21), pressure pin (21) external rings is wound with spring (19), along being surrounded with sealing ring (20) in check-valves (6) bottom, spring (19) one end is supported in check-valves (6) inner surface top, the other end connects baffle plate (18), and baffle plate (18) is peaked on sealing ring (20), make baffle plate (18) except being subject to active force from bottom to top, all it is close to sealing ring (20) and the water of check-valves (6) top cannot pass through check-valves (6) backflow;
Described check-valves (6) has been connected below sampling tube lid (2) with holes, the sampling tube (1) of column is detachably secured in sampling tube lid (2) with holes, and both connecting portions are provided with the first silica gel sealing pad (12);Sampling tube (1) lower section is according to the detachable immobilized sediment collection head (8) of user demand, water sampling head (9) and deposit section head (10);
Described deposit collection head (8) is circular wedge structure, reduces resistance when being used for inserting deposit;
Described water sampling head (9) is hollow tubular, bottom interior wall is provided with annular protrusion, on annular protrusion, side is hinged with circular baffle plate (23) by hinge (24), circular baffle plate (23) is contacted with annular protrusion by the 4th silica gel sealing pad (25), during circular baffle plate (23) laminating the 4th silica gel sealing pad (25), the water in water sampling head (9) cannot flow out from bottom;Described circular baffle plate (23) is connected to rope (26);
Described deposit section head (10) body is hollow tubular, body lower part is connected to the swivel head (28) of annular by rotary bayonet (27), and swivel head (28) is fixed with a finer wire (29) by steel wire bayonet socket (30) along the diameter of cross section;
Upper baffle (4) and under silently (5) be detachably secured to sampling tube (1) two ends according to user demand, upper baffle (4) and under silently (5) and sampling tube (1) contact site are respectively equipped with the second silica gel sealing pad (13) and the 3rd silica gel sealing pad (14).
2. shallow-water deposit thing as claimed in claim 1 and water sample acquisition device, it is characterised in that described sampling tube lid (2) with holes is provided with annular lacing hole (11);Under use state, described rope (26) is through annular lacing hole (11) and by user control.
3. shallow-water deposit thing as claimed in claim 1 and water sample acquisition device, it is characterised in that described extension rod (7) is hollow pipe, and with check-valves (6) inner space;When circular baffle plate (23) departs from the 4th silica gel sealing pad (25), check-valves (6) inner chamber connects with sampling tube (1);Described check-valves (6) and extension rod (7) connecting portion are provided with osculum (22), are used for discharging the internal hydrops of extension rod (7).
4. shallow-water deposit thing as claimed in claim 3 and water sample acquisition device, it is characterized in that, also include piston push rod (3), described piston push rod (3) includes scale bar (15), handle holder (16) and rubber slide block (17), scale bar (15) top is fixed with handle holder (16), bottom connects rubber slide block (17), described rubber slide block (17) cross section is circular, and diameter is equal or slightly larger than sampling tube (1) internal diameter.
5. shallow-water deposit thing as claimed in claim 1 and water sample acquisition device, it is characterised in that described detachable fixing be threaded.
6. shallow-water deposit thing as claimed in claim 1 and water sample acquisition device, it is characterised in that the multisection type body of rod that described extension rod (7) is detachable connection.
7. the shallow-water deposit thing using device as claimed in claim 4 and water sampling method, it is characterised in that step is as follows:
Shallow-water deposit thing acquisition method: connect deposit collection head (8) in sampling tube (1) lower end, deposit collection head (8) sharply faces down, the sampling tube (1) installing deposit collection head (8) is inserted vertically into water bottom deposit to designated depth, when deposit is full of sampling tube (1), lifting up extension rod (7), the hydrops in extension rod (7) is discharged by osculum (22);Take off deposit collection head (8);
When without taking out sediment sample immediately, take off deposit collection head (8), with upper baffle (4) and under silently (5) seal behind sampling tube (1) two ends, sampling tube (1) is placed in preservation container;When needs take out sediment sample, take out upper baffle (4) and under silently (5), deposit section head (10) is connected in sampling tube (1) lower end, after utilizing piston push rod (3) that the deposit in sampling tube (1) is released predetermined length, swivel head (28) in rotating and depositing thing section head (10), utilizes finer wire (29) to cut off sediment sample;Recycling piston push rod (3) and swivel head (28) repeat sample cutting;
Water sampling method: after sampling tube (1) lower end connects water sampling head (9), tension rope (26) makes circular baffle plate (23) laminating the 4th silica gel sealing pad (25), again water sampling head (9) is sunk down into the default depth of water, unclamping rope (26) makes circular baffle plate (23) depart from the 4th silica gel sealing pad (25), after standing or rocking certain time, rope (26) is pulled to make circular baffle plate (23) laminating the 4th silica gel sealing pad (25), lift up extension rod (7) and water sampling head (9) is pulled out the water surface, again the water sample in water sampling head (9) is collected.
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