CN210198833U - Portable phytoplankton sample preservation and concentration device - Google Patents
Portable phytoplankton sample preservation and concentration device Download PDFInfo
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- CN210198833U CN210198833U CN201920962346.8U CN201920962346U CN210198833U CN 210198833 U CN210198833 U CN 210198833U CN 201920962346 U CN201920962346 U CN 201920962346U CN 210198833 U CN210198833 U CN 210198833U
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- siphon pipe
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Abstract
The utility model discloses a portable phytoplankton sample preservation and concentration device, which comprises a bottle body, a quantitative bottle protection cover, a quantitative bottle, a siphon and an axial fixing piece; the top of the bottle body is provided with a protruding opening bottle mouth, the bottom of the bottle body is a cone, and the outlet of the cone is matched with the cavity in the quantitative bottle; the bottom of the bottle body and the quantitative bottle are positioned in the quantitative bottle protective cover; the inside of the axial fixing piece is provided with a siphon pipe insertion hole, and the siphon pipe is matched with the siphon pipe insertion hole; the siphon pipe is matched with the quantitative bottle at the same time; the axial fixing piece comprises an upper plurality of hand-twisting plates and a lower sleeve piece; the lower sleeve is internally provided with threads which are in threaded connection with the protruding bottle mouth, and the plurality of upper screw plates are arranged on the lower sleeve at intervals. The utility model discloses can solve and how to overcome prior art not enough, reduce the sample and shift the number of times and make the siphon process become simple easy operation, improve the technical problem of the simplicity and accuracy that the sample detected.
Description
Technical Field
The utility model relates to a device for preserving and concentrating portable phytoplankton samples.
Background
Phytoplankton refers to plants suspended in a water body, mainly algae, which appear in the form of single cells, colonies or filaments, are very sensitive to environmental changes, and are an important part of water environment monitoring.
According to the requirements of technical regulation SL 733 one-step 2016 for monitoring phytoplankton in inland waters, a quantitative water sample is collected in the field, is fixed by a Luoge iodine solution, is placed in a sample bottle and is taken back to a laboratory, is poured into a precipitator and stands for 48 hours, and then a siphon is used for carefully and slowly pumping out supernatant, wherein the precipitate at the lower layer cannot be disturbed in the whole process, once disturbed, the precipitate should be stood again, then 20-25 mL of the precipitate left after siphoning is transferred into the quantitative bottle, a little supernatant is used for washing the container for several times, and washing liquid is added into the quantitative bottle and is added to the volume of 30 mL.
Since no perfect standing concentration device is available on the market, most monitoring personnel can settle by using a large separating funnel or a measuring cylinder and remove supernatant by using a plastic siphon or a medical rubber tube.
In this process, there are mainly the following problems:
(1) the sample is transferred for multiple times, namely the sample bottle → the settler → the quantification bottle, so that the loss of phytoplankton is caused, and the counting accuracy of the phytoplankton is influenced;
(2) the siphon process usually requires two persons to cooperate, and when the siphon pipe is inserted into the settler, if the operation is unskilled, the water body is easy to disturb, so that the standing is required to be carried out again.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a portable phytoplankton sample is preserved and enrichment facility solves and how to overcome the not enough of prior art, reduces the sample and shifts the number of times and make the siphon process become simple easy operation, improves the technical problem of the simplicity and the degree of accuracy that the sample detected.
The portable phytoplankton sample preservation and concentration device comprises a bottle body, a quantitative bottle protective cover, a quantitative bottle, a siphon and an axial fixing piece; the top of the bottle body is provided with a protruding opening bottle mouth, the bottom of the bottle body is a cone, and the outlet of the cone is matched with the cavity in the quantitative bottle; the bottom of the bottle body and the quantitative bottle are positioned in the quantitative bottle protective cover; the inside of the axial fixing piece is provided with a siphon pipe insertion hole, and the siphon pipe is matched with the siphon pipe insertion hole; the siphon pipe is matched with the quantitative bottle at the same time; the axial fixing piece comprises an upper plurality of hand-twisting plates and a lower sleeve piece; the lower sleeve is internally provided with threads which are in threaded connection with the protruding bottle mouth, and the plurality of hand screwing plates are arranged on the lower sleeve at intervals.
The top of the bottle body is provided with a convex hanging ring at the position close to the bottle opening.
The bottle body is in threaded connection with the quantitative bottle protection cover at the position close to the cone; the bottom of the cone is in threaded connection with the top of the quantitative bottle; the siphon pipe is screwed with the siphon pipe inserting hole of the axial fitting piece.
The bottom of the quantitative bottle is provided with a base plate, and the diameter of the base plate is larger than that of the quantitative bottle.
The side surface of the bottom of the siphon pipe is provided with an oval water inlet hole.
And 3-5 layers of 10-30m bolting silk are arranged above the water inlet hole and are arranged on the siphon.
The top of the siphon pipe is provided with 1-2 circles of anti-slip grooves.
The matching position of the siphon and the siphon is in threaded connection with the siphon.
The outer side of the bottle body is provided with scale marks, and the outer side of the quantitative bottle is also provided with scale marks.
The utility model has the advantages that:
(1) the utility model discloses reduced the transfer number of times of sample: the sample is collected and fixed on site and then put into the device, and can be directly taken back to a laboratory for standing; after standing for 48h, the quantitative bottle can be directly screwed down from the device for measurement through siphoning, cleaning and constant volume.
(2) The siphon process is simple and easy to operate: the siphon is directly and fixedly arranged at the position of the bottle opening, the descending speed of the siphon is controllable, the siphon opening is horizontally and symmetrically provided with holes, and two layers of 20 mu m bolting silk are arranged inside the siphon.
(3) In addition, the utility model discloses still can be at body upper end installation link, this link can correspond be furnished with the carrying belt, carry the sample with oneself when being convenient for open-air sampling.
Drawings
FIG. 1 is a schematic structural view of the bottle body, the quantitative bottle protecting cover and the quantitative bottle of the present invention;
FIG. 2 is a schematic view of the structure of the siphon tube and the axial fixing member of the present invention;
FIG. 3 is a perspective view of the axial mount;
in the figure, 1, a bottle body, 11, a bottle mouth, 12, a hanging ring, 2, a quantitative bottle protective cover, 3, a quantitative bottle, 4, a siphon, 41, an anti-skid groove, 42, a water inlet, 5, an axial fixing piece, 51, a siphon inserting hole, 52, a hand twisting plate, 53, a lower sleeve, 6, a chassis and 7, a bolting silk are arranged.
Detailed Description
Referring to fig. 1 to 3, the portable phytoplankton sample preservation and concentration device in the figures includes a bottle body 1, a quantitative bottle protecting cover 2, a quantitative bottle 3, a siphon 4, and an axial fixing member 5.
The top of the bottle body 1 is provided with a projected opening bottle mouth 11, so that a water body collected on site can be conveniently placed after being fixed; the middle of the bottle body 1 is of a cylindrical structure; the bottom becomes the cone structure, and the export of cone and the cavity cooperation in the ration bottle 3 are convenient for like this with the leading-in to the ration bottle 3 of the water body of collecting. The diameter of the bottle mouth 11 is about half of the middle diameter of the bottle body 1 or 2/3, and the bottle mouth 11 is a screw mouth. The bottle body 1 is provided with scale marks which are arranged from top to bottom, such as 30-100 ml, and each gradient is 10 ml. The left side and the right side of the top of the bottle body 1 are provided with the convex hanging rings 12, so that outdoor personnel can conveniently use the rope to carry the bottle body. The bottle body 1 is screwed with the quantitative bottle protective cover 2 at the position close to the cone in a mode of matching internal and external threads; the bottom of the cone is in threaded connection with the top of the quantitative bottle 3 in the same way. The bottom cone part of the bottle body 1 and the quantitative bottle 3 are arranged inside the quantitative bottle protective cover 2.
Quantitative bottle safety cover 2 is an open structure, and inside has the cavity and places quantitative bottle 3 like this, and this quantitative bottle safety cover 2 adopts spiro union mode and body spiro union cooperation equally.
The cavity inside the quantitative bottle 3 can be used for placing the water body to be detected, and two scale marks are arranged on the cavity, such as 25ml to 30 ml. In order to fix the position of the quantitative bottle 3 and stabilize the bottle body 1, a base plate 6 can be designed at the bottom of the quantitative bottle 3, the diameter of the base plate 6 is larger than that of the quantitative bottle 3, and the specific diameter can be selected to be 5-10 cm.
The siphon 4 is used for sucking part of the water body, and the top of the siphon 4 is provided with 1-2 circles of anti-slip grooves 41 which are used for matching with the latex tubes; the middle of the siphon 4 can be designed with a thread structure at the position matched with the axial fixing piece 5, so that the siphon is matched with the thread in the axial fixing piece 5 to realize stable and accurate work; the side surface of the tail end of the bottom of the siphon 4 is provided with an oval water inlet 42, and the aperture of the water inlet 42 can be selected to be 3-5 mm, so that water flows into the siphon 4 from the horizontal direction, and disturbance to a bottom water body in the siphoning process can be reduced; 3-5 layers of 10-30m bolting silk 7 are arranged above the water inlet hole 42, and the bolting silk 7 is arranged on the siphon 4 to prevent the floating plants from causing sample loss due to siphon.
The axial fixing piece 5 is internally provided with a siphon pipe insertion hole 51, and the siphon pipe 4 is matched with the siphon pipe insertion hole 51, so that the siphon pipe 4 slowly descends to avoid disturbance to the lower-layer water body; the siphon 4 is matched with the quantitative bottle 3 at the same time, namely is positioned at the scale position of 25 mm of the quantitative bottle 3 so as to suck the water body. The axial fixing member 5 comprises an upper plurality of screwing plates 52, a lower sleeve 53; the lower sleeve member 53 is internally threaded to be screwed with the protruding bottle mouth 11, and the plurality of screwing plates 52 are arranged on the lower sleeve member 53 at intervals. In use, the axial fixing member 5 is separated from the mouth 11 of the body 1 by manually twisting the handle plate 52, the axial fixing member 5 corresponding to a cap structure.
The utility model discloses a use method:
the sample is put into the device after being collected and fixed on site and is directly taken back to a laboratory for standing for 48 hours. After the standing is finished, the siphon tube 4 connected with the latex tube is slowly installed at the position of the bottle opening 11, and the supernatant is siphoned off to leave about 25mL of sample. The siphon 4 is removed, the sample bottle is cleaned by a small amount of supernatant, then the quantitative bottle protective cover 2 is opened, the quantitative bottle 3 is taken down from the lower end of the main body of the bottle body 11, and then the supernatant is used for fixing the volume of the concentrated solution to 30 mL.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the above description, in combination with the drawings in the embodiments of the present invention, clearly and completely describes the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the above detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Claims (9)
1. Portable phytoplankton sample is preserved and enrichment facility, its characterized in that: comprises a bottle body, a quantitative bottle protective cover, a quantitative bottle, a siphon and an axial fixing piece; the top of the bottle body is provided with a protruding opening bottle mouth, the bottom of the bottle body is a cone, and the outlet of the cone is matched with the cavity in the quantitative bottle; the bottom of the bottle body and the quantitative bottle are positioned in the quantitative bottle protective cover; the inside of the axial fixing piece is provided with a siphon pipe insertion hole, and the siphon pipe is matched with the siphon pipe insertion hole; the siphon pipe is matched with the quantitative bottle at the same time; the axial fixing piece comprises an upper plurality of hand-twisting plates and a lower sleeve piece; the lower sleeve is internally provided with threads which are in threaded connection with the protruding bottle mouth, and the plurality of hand screwing plates are arranged on the lower sleeve at intervals.
2. The portable phytoplankton sample preservation and concentration device according to claim 1, wherein: the top of the bottle body is provided with a convex hanging ring at the position close to the bottle opening.
3. The portable phytoplankton sample preservation and concentration device according to claim 1, wherein: the bottle body is in threaded connection with the quantitative bottle protection cover at the position close to the cone; the bottom of the cone is in threaded connection with the top of the quantitative bottle; the siphon pipe is screwed with the siphon pipe inserting hole of the axial fitting piece.
4. The portable phytoplankton sample preservation and concentration device according to claim 1, wherein: the bottom of the quantitative bottle is provided with a base plate, and the diameter of the base plate is larger than that of the quantitative bottle.
5. The portable phytoplankton sample preservation and concentration device according to claim 1, wherein: the side surface of the bottom of the siphon pipe is provided with an oval water inlet hole.
6. The portable phytoplankton sample preservation and concentration device according to claim 5, wherein: and 3-5 layers of 10-30m bolting silk are arranged above the water inlet hole and are arranged on the siphon.
7. The portable phytoplankton sample preservation and concentration device according to claim 1, wherein: the top of the siphon pipe is provided with 1-2 circles of anti-slip grooves.
8. The portable phytoplankton sample preservation and concentration device according to claim 1, wherein: the matching position of the siphon and the siphon is in threaded connection with the siphon.
9. The portable phytoplankton sample preservation and concentration device according to claim 1, wherein: the outer side of the bottle body is provided with scale marks, and the outer side of the quantitative bottle is also provided with scale marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962346.8U CN210198833U (en) | 2019-06-25 | 2019-06-25 | Portable phytoplankton sample preservation and concentration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962346.8U CN210198833U (en) | 2019-06-25 | 2019-06-25 | Portable phytoplankton sample preservation and concentration device |
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| CN210198833U true CN210198833U (en) | 2020-03-27 |
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| CN201920962346.8U Active CN210198833U (en) | 2019-06-25 | 2019-06-25 | Portable phytoplankton sample preservation and concentration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008656A (en) * | 2021-03-23 | 2021-06-22 | 国家海洋局北海环境监测中心 | Phytoplankton sample in-situ concentration device and method |
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2019
- 2019-06-25 CN CN201920962346.8U patent/CN210198833U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008656A (en) * | 2021-03-23 | 2021-06-22 | 国家海洋局北海环境监测中心 | Phytoplankton sample in-situ concentration device and method |
| CN113008656B (en) * | 2021-03-23 | 2022-08-19 | 国家海洋局北海环境监测中心 | Phytoplankton sample in-situ concentration device and method |
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