CN205333339U - Open -air sample collection device of little algae - Google Patents
Open -air sample collection device of little algae Download PDFInfo
- Publication number
- CN205333339U CN205333339U CN201521097657.0U CN201521097657U CN205333339U CN 205333339 U CN205333339 U CN 205333339U CN 201521097657 U CN201521097657 U CN 201521097657U CN 205333339 U CN205333339 U CN 205333339U
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- Prior art keywords
- hydrophore
- drainage screen
- filter screen
- microalgae
- fixing
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Abstract
The utility model provides an open -air sample collection device of little algae, including hydrophore and first filter screen, first filter screen is the back taper structure, and the upper end is fixed on a retainer plate, and the lower extreme links to each other with the opening on hydrophore upper portion, is fixed with the stay cord on the retainer plate, still includes the second filter screen, and the second filter screen is fixed in on the retainer plate to lie in the upper portion of first filter screen inboard, hydrophore, hydrophore bottom spiro union has the bottom, and the aperture of first filter screen is 45 mu m~60 mu m, and the aperture of second filter screen is 2mm~8mm. The utility model provides an open -air sample collection device of little algae can be directly carry out preliminary preliminary treatment to little algae sample, simultaneously, sets up the retainer plate of slope on hydrophore upper portion, in little algae of being convenient for gets into the filter screen, and still can keep the state of sampling perpendicularly down in the rivers influence, is convenient for judge sampling depth, is a high efficiency, accuracy, fast and simple and convenient little algae sample collection device.
Description
Technical field
This utility model relates to a kind of phytoplankton harvester, is specifically related to a kind of microalgae field sample harvester。
Background technology
Microalgae be a class on land, ocean widely distributed, the autophyte that availability nutritious, photosynthetic is high, containing protein, lipid, polysaccharides, beta-carotene, multiple inorganic elements in microalgae cell, nutritional labeling and industrial chemicals such as high values such as Cu, Fe, Se, Mn, Zn so that it is there is good DEVELOPMENT PROSPECT in fields such as food, medicine, genetic engineering, liquid fuels。
Such as, in environmental monitoring, the upgrowth situation of microalgae can directly reflect water quality situation, it is judged that the poisonous gas in air, the analysis of gaseous sample of breaking the normal procedure and detection。Therefore, when applying microalgae and furtheing investigate, it is often necessary to go out to gather microalgae sample, owing to microalgae individuality is less, distribution dispersion, it tends to be difficult to effectively gather。
Sampling apparatus conventional at present is cone shape harvester, and its structure is connected and composed by network interface, large-area etting and net bottom sampling bottle, and network interface is made up of metal edge frame, rounded, is used for supporting and fixing etting, simultaneously fixed pulling rope；Etting is made up of the bolting silk of certain pore size；Net bottom sampling bottle is connected to etting end, in order to the microalgae sample in collecting net。During use, first fish lead is fixed on plankton sieve bottom, is released slowly in water, go out the water surface to certain depth post-tensioning, clean etting with water and make sample be collected in net bottom sampling bottle, finally open sampling bottle valve, water in sampling bottle is transferred in sample bottle together with sample, labelled。This device is sampled in river, it is easy to mix foreign material, and other water plants comparing big than microalgae individuality and animal, makes the sample quality collected be affected；Meanwhile, Vertical Sampling state can not be kept by water currents, it is difficult to determine sampling depth, estimate drainage amount and there is bigger error, and the phytoplankton biological density calculated with this drainage gauge is not inconsistent with practical situation。Therefore, in the sample collecting process of microalgae, how efficiently, accurately, quick and easy collection microalgae be key issue urgently to be resolved hurrily at present。
Utility model content
In order to solve problems of the prior art, this utility model provides a kind of microalgae field sample harvester。
The specific scheme is that of microalgae field sample harvester that this utility model provides includes hydrophore and the first drainage screen, described first drainage screen is inverted cone-shaped structure, upper end is fixed on a ring for fixing, lower end is connected with the opening on described hydrophore top, described ring for fixing is fixed with stay cord, also include the second drainage screen, described second drainage screen is fixed on ring for fixing, and it is positioned at inside described first drainage screen, the top of described hydrophore, it is bolted with bottom bottom described hydrophore, the aperture of described first drainage screen is 20 μm～50 μm, the aperture of described second drainage screen is 2mm～8mm。
Preferably, the aperture of described first drainage screen is 35 μm, and the aperture of described second drainage screen is 5mm。
Preferably, described second drainage screen is inverted cone-shaped structure, and has certain interval between the dictyosome of described first drainage screen and described second drainage screen。
It is highly preferred that described hydrophore top is column structure, bottom is funnel-form, and the lower openings place of described hydrophore is provided with external screw thread, is provided with and can mate, with described external screw thread, the female thread being spirally connected inside described bottom。
It is highly preferred that described ring for fixing is obliquely installed relative to the cross section of described hydrophore column structure, the funnelform opening of described hydrophore is not coaxial with described hydrophore column structure。
It is highly preferred that described ring for fixing is 30 °～60 ° relative to the angle of inclination of the cross section of described hydrophore column structure。
It is highly preferred that described ring for fixing is 45 ° relative to the angle of inclination of the cross section of described hydrophore column structure。
The microalgae field sample harvester that this utility model provides, the foreign material in water body and individual other water plants comparing big and animal can be isolated easily by the second drainage screen, microalgae enters the second drainage screen, it is attached on the first drainage screen, directly microalgae sample is carried out preliminary pretreatment, simultaneously, the ring for fixing of inclination is set on hydrophore top, and hydrophore is the infundibular body of eccentric structure, it is not only convenient for microalgae and enters in filter screen, and this device still can close to Vertical Sampling state under water currents, it is easy to judge sampling depth, it is a kind of efficient, accurately, quick and easy microalgae sample collecting apparatus。
Accompanying drawing explanation
The structural representation of the microalgae field sample harvester that Fig. 1 provides for this utility model。
Detailed description of the invention
Being practiced to make those skilled in the art be more fully understood that the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but illustrated embodiment is not as to restriction of the present utility model。
A kind of microalgae field sample harvester, specifically as shown in Figure 1, including hydrophore 4 and the first drainage screen 2, described first drainage screen 2 is inverted cone-shaped structure, upper end is provided with ring for fixing 1, lower end is connected with the opening on hydrophore 4 top, described ring for fixing 1 is fixed with stay cord 6, this microalgae field sample harvester also includes the second drainage screen 3, described second drainage screen 3 is fixed on ring for fixing 1, and it is positioned at inside described first drainage screen 2, the top of hydrophore 4, it is bolted with bottom 5 bottom described hydrophore 4, the aperture of described first drainage screen 2 is 20 μm～50 μm, the aperture of the second drainage screen 3 is 2mm～8mm；In order to be effectively isolated other biological and catch microalgae, the aperture of the first drainage screen 2 is with 35 μm for best, and the aperture of the second drainage screen 3 is 5mm is best。
Concrete, above-mentioned second drainage screen 3 is the pocketed structure of inverted cone, and has certain interval between the first drainage screen 2 and the dictyosome of the second drainage screen 3, and microalgae enters and is attached to by the hole of the second drainage screen 3 on first drainage screen 2。
A kind of microalgae field sample harvester that this utility model provides, by setting up the second drainage screen 3, other water plants and animal that the foreign material in water body are compared big with individuality can be isolated easily, after microalgae enters the second drainage screen 3, it is attached on the first drainage screen 2, directly microalgae sample is carried out preliminary pretreatment。
During use, harvester is released slowly in water, goes out the water surface to certain depth post-tensioning, cleaning the first drainage screen 2 with water, the microalgae collected can gather in hydrophore 4 under the effect of current, after having gathered, open bottom 5, the microalgae collected is transferred in sample bottle。
In this utility model, the volume of above-mentioned hydrophore 4 is not limited, can be designed as requested, general conventional for hydrophore 4 that volume is 10L, it is simple to field acquisition is carried, and meets the requirement of collection capacity。
Preferably, the microalgae field sample harvester that this utility model provides, its hydrophore 4 top is column structure, and bottom is funnel-form, the funnelform lower openings place of hydrophore 4 is provided with external screw thread, is provided with and mates the female thread being spirally connected with external screw thread inside above-mentioned bottom 5。Above-mentioned ring for fixing 1 tilts certain angle relative to the cross section of hydrophore 4 column structure and arranges, concrete, angle of inclination is 30 °～60 °, all can realize the purpose of this utility model, wherein angle of inclination is with 45 ° for best, the opening of above-mentioned hydrophore 4 lower hopper shape deviates the longitudinal axis of described hydrophore 4 column and arranges, the network interface tilted is easy to microalgae and is entered in filter screen, and network interface can be adjusted in time according to water (flow) direction, simultaneously because arrange the infundibular body of eccentric structure on hydrophore 4 top based on column structure, even if this device still can near normal sample states under water currents, it is easy to accurately judge sampling depth。
Embodiment described above is only the preferred embodiment lifted for absolutely proving this utility model, and its protection domain is not limited to this。Equivalent replacement that those skilled in the art make on this utility model basis or conversion, all within protection domain of the present utility model, protection domain of the present utility model is as the criterion with claims。
Claims (8)
1. a microalgae field sample harvester, including hydrophore (4) and the first drainage screen (2), described first drainage screen (2) is inverted cone-shaped structure, upper end is fixed on a ring for fixing (1), lower end is connected with the opening on described hydrophore (4) top, described ring for fixing (1) is fixed with stay cord (6), it is characterized in that, also include the second drainage screen (3), described second drainage screen (3) is fixed on described ring for fixing (1), and it is positioned at described first drainage screen (2) inner side, the top of described hydrophore (4), described hydrophore (4) bottom is bolted with bottom (5), the aperture of described first drainage screen (2) is 20 μm～50 μm, the aperture of described second drainage screen (3) is 2mm～8mm。
2. microalgae field sample harvester according to claim 1, it is characterised in that the aperture of described first drainage screen (2) is 35 μm, the aperture of described second drainage screen (3) is 5mm。
3. microalgae field sample harvester according to claim 1, it is characterized in that, described second drainage screen (3) is inverted cone-shaped structure, and has certain interval between the dictyosome of described first drainage screen (2) and described second drainage screen (3)。
4. microalgae field sample harvester according to claim 3, it is characterized in that, described hydrophore (4) top is column structure, bottom is funnel-form, the lower openings place of described hydrophore (4) is provided with external screw thread, and described bottom (5) inner side is provided with mates, with described external screw thread, the female thread being spirally connected。
5. microalgae field sample harvester according to claim 4, it is characterized in that, described ring for fixing (1) is obliquely installed relative to the cross section of described hydrophore (4) column structure, and the longitudinal axis of opening deviation described hydrophore (4) column of described hydrophore (4) lower hopper shape is arranged。
6. microalgae field sample harvester according to claim 5, it is characterised in that described ring for fixing (1) is 30 °～60 ° relative to the angle of inclination of the cross section of described hydrophore (4) column structure。
7. microalgae field sample harvester according to claim 6, it is characterised in that described ring for fixing (1) is 45 ° relative to the angle of inclination of the cross section of described hydrophore (4) column structure。
8. microalgae field sample harvester according to claim 1, it is characterised in that the volume of described hydrophore (4) is 10L。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097657.0U CN205333339U (en) | 2015-12-28 | 2015-12-28 | Open -air sample collection device of little algae |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097657.0U CN205333339U (en) | 2015-12-28 | 2015-12-28 | Open -air sample collection device of little algae |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205333339U true CN205333339U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521097657.0U Expired - Fee Related CN205333339U (en) | 2015-12-28 | 2015-12-28 | Open -air sample collection device of little algae |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205333339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884335A (en) * | 2021-10-12 | 2022-01-04 | 上海交通大学 | Mobile sediment trapping apparatus and method |
-
2015
- 2015-12-28 CN CN201521097657.0U patent/CN205333339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884335A (en) * | 2021-10-12 | 2022-01-04 | 上海交通大学 | Mobile sediment trapping apparatus and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20161228 |