CN212309643U - Pretreatment device for starch determination - Google Patents
Pretreatment device for starch determination Download PDFInfo
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- CN212309643U CN212309643U CN202020901953.6U CN202020901953U CN212309643U CN 212309643 U CN212309643 U CN 212309643U CN 202020901953 U CN202020901953 U CN 202020901953U CN 212309643 U CN212309643 U CN 212309643U
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- side wall
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Abstract
The utility model discloses a preceding processing apparatus of starch survey relates to the preceding processing technology field of chemical analysis. The pretreatment device comprises a support frame, a suspension plate and a funnel. The support frame comprises a support part and an inner concave part which is lower than the support part. The suspension plate is placed on the supporting part; the suspension plate includes a mounting hole. The funnel is hung at the mounting hole, and at least part of the funnel is positioned in the inner concave part. The pretreatment device provided by the technical scheme is convenient and quick to use, and can be used for batch treatment of samples.
Description
Technical Field
The utility model relates to a chemical analysis pretreatment technical field, concretely relates to preceding processing apparatus of starch survey.
Background
The utility model relates to a survey device of survey tobacco and tobacco products starch. According to a standard method of a YC/T216-2013 continuous flow method for measuring starch of tobaccos and tobacco products, experimenters find that in the existing pretreatment detection method, a sample needs to be subjected to pretreatment operations such as ultrasonic oscillation, pressure filtration, washing and the like repeatedly in a sand core funnel.
The inventor finds that at least the following problems exist in the prior art: the sand core funnel is placed by a beaker frame, and the treatment is very inconvenient. Under the condition of large sample amount, the processing speed is slower, time and labor are wasted, and the detection progress is delayed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a preceding processing apparatus of starch survey for conveniently carry out the preceding processing operation that starch detected.
The utility model provides a preceding processing apparatus of starch survey, include:
the supporting frame comprises a supporting part and an inner concave part positioned below the supporting part;
a suspension plate placed on the support portion; the suspension plate comprises a mounting hole; and
the funnel is hung at the mounting hole, and at least part of the funnel is positioned in the inner concave part.
In some embodiments, the support frame comprises:
a first side wall;
a second sidewall spaced from the first sidewall, a space between the first sidewall and the second sidewall serving as the inner recess; and
a bottom wall, the first and second side walls both mounted to the bottom wall;
wherein, the end of the first side wall and the second side wall far away from the bottom wall jointly serves as the supporting part, and the suspension plate is jointly supported by the first side wall and the second side wall.
In some embodiments, the suspension plate is provided with a plurality of mounting holes, each of which corresponds to one of the funnels.
In some embodiments, the mounting holes are staggered.
In some embodiments, the suspension plate includes a plurality of pieces, and each of the suspension plates is disposed in parallel on the supporting portion.
In some embodiments, the shape of the mounting hole matches the shape of the funnel.
In some embodiments, the mounting hole comprises:
a first straight hole;
an arc-shaped hole;
the second straight hole is positioned between the first straight hole and the second straight hole, and the arc-shaped hole is communicated with the first straight hole and the second straight hole;
and the third straight hole is crossed with the second straight hole and communicated with the second straight hole.
The preceding processing apparatus of starch survey that above-mentioned technical scheme provided has set up the support frame and has hung the board, hangs the funnel through support frame and hang the board to hang the board and can conveniently take off from the support frame, put, this makes operating personnel conveniently carry out the preceding processing operation of starch survey. And the pretreatment device has compact structure and very convenient use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a schematic structural view of a starch measurement pretreatment apparatus according to an embodiment of the present invention, except for a funnel;
FIG. 2 is a schematic diagram of a funnel and related components of a pretreatment device for starch measurement according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a pretreatment apparatus for starch measurement according to an embodiment of the present invention.
Detailed Description
The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 3.
The embodiment of the utility model provides a preceding processing apparatus of starch survey, include support frame 1, hang board 2 and funnel 3.
Referring to fig. 1 and 2, the support stand 1 includes a support portion 11 and an inner concave portion 12 located below the support portion 11, the inner concave portion 12 being located lower than the support portion 11. The edge of the support portion 11 may be provided with a stopper portion 110 to prevent the hanging plate 2 from falling off. The support frame 1 can be made of a relatively heavy material, such as a steel plate, so that the support frame 1 is prevented from moving, and samples and reagents are prevented from being scattered in the experimental process. The surface of support frame 1 is provided with corrosion resistant inoxidizing coating, perhaps support frame 1 wholly adopts corrosion resistant material, prevents that the waste liquid from corroding.
Referring to fig. 3, in some embodiments, the support stand 1 includes a first side wall 13, a second side wall 14, and a bottom wall 15. The second side wall 14 is spaced apart from the first side wall 13, and the space between the first side wall 13 and the second side wall 14 serves as the concave portion 12. The first side wall 13 and the second side wall 14 are both mounted to the bottom wall 15. Wherein, the ends of the first side wall 13 and the second side wall 14 far away from the bottom wall 15 are used as the supporting part 11 together, and the suspension plate 2 is supported by the first side wall 13 and the second side wall 14 together. The supporting edges of the first 13 and second 14 side walls are flush and the suspension plate 2 is horizontal after being placed on the upper edges of the first 13 and second 14 side walls. The lengths of the first side wall 13 and the second side wall 14 can be infinitely extended, so that the number of the suspension plates 2 which can be placed can be arbitrarily increased according to needs.
Referring to fig. 1 and 2, the suspension plate 2 is placed on the support portion 11; the suspension plate 2 includes a mounting hole 21. The suspension plate 2 is a detachable plate. In some embodiments, the suspension plate 2 is provided with a plurality of mounting holes 21, one for each funnel 3 per mounting hole 21.
In some embodiments, the shape of the mounting hole 21 matches the shape of the funnel 3, such as a funnel made of a glass sand core sintered with G3. The hanging plate 2 is provided with a special mounting hole 21 according to the shape of the G3 sintered glass sand core funnel, so that the funnel 3 can pass through the hanging plate 2 and be hung on the hanging plate 2, and the G3 sintered glass sand core funnel is prevented from falling off.
In some embodiments, the suspension plate 2 comprises a plurality of pieces, each suspension plate 2 being placed in parallel on the support 11. The suspension plate 2 can be made into a plurality of pieces, and a plurality of samples can be continuously processed in batches.
In some embodiments, the mounting holes 21 include a first straight hole 211, an arc-shaped hole 212, a second straight hole 213, and a third straight hole 214. The arc hole 212 is located between the first straight hole 211 and the second straight hole 213, and the arc hole 212 communicates with both the first straight hole 211 and the second straight hole 213. The third straight hole 214 intersects the second straight hole 213 and communicates with the second straight hole 213.
In some embodiments, the mounting holes 21 are staggered, so that the arc-shaped holes 212 of the mounting holes 21 can be staggered, thereby making it possible to hang a plurality of funnels 3 on the suspension plate 2 more compactly.
Referring to fig. 1, the funnel 3 is hung at the mounting hole 21, and the funnel 3 is located in the concave portion 12. The funnel 3 has a sample inlet 31 and a sample outlet 32, and the sample inlet 31 of the funnel 3 has an annular protrusion 30 which is hung on the edge of the arc-shaped hole 212 of the mounting hole 21. The first straight hole 211, the second straight hole 213 and the third straight hole 214 serve as an escape structure so that other portions of the funnel 3 can smoothly pass through the mounting hole 21.
The funnel 3 is internally provided with a filter pad 4. The sample inlet 31 is provided with the duplex ball 5, and the duplex ball 5 plays a role in sealing the sample inlet 31 and can also pressurize the interior of the funnel 3. A filtrate cock 6 is installed at the sample outlet 32, and the sample outlet 32 is opened/closed by the filtrate cock 6.
The following illustrates the operation and use of the pretreatment apparatus for starch determination: when the pretreatment for measuring the starch of the tobacco and the tobacco products is carried out, a sample is weighed into a G3 sintered glass sand core funnel, the G3 sintered glass sand core funnel is inserted into a suspension plate 2, then the suspension plate 2 is placed on a support frame 1, 25mL of 80% ethanol-saturated sodium chloride solution is weighed and added into the G3 sintered glass sand core funnel, and then the whole suspension plate 2 and the G3 sintered glass sand core funnel are placed into an ultrasonic oscillator together for extraction with the power of 350W for 30 min. And finally, taking out the whole suspension plate 2 together with the G3 sintered glass sand core funnel, placing on the support frame 1, opening the filter liquor cock 6 to remove the extraction solution, washing the sample residue in the G3 sintered glass sand core funnel by using 2mL of 80% ethanol-saturated sodium chloride solution, pressurizing by using a double-chain ball to remove the washing solution, and closing the cock. And (3) putting the whole suspension plate 2 and the G3 sintered glass sand core funnel back into the ultrasonic oscillator, adding 15mL of 40% perchloric acid solution into the sample residues in the G3 sintered glass sand core funnel, extracting for 10min at room temperature with 350W of ultrasonic power, and adding 15mL of water into the G3 sintered glass sand core funnel. After uniform mixing, the whole suspension plate 2 and the G3 sintered glass sand core funnel are taken out, then the suspension plate and the G3 sintered glass sand core funnel are placed on the support frame 1, the filtrate cock 6 is opened, the triangular flask is placed under the sample outlet 32, and the starch extracting solution is taken. Accurately transferring 2mL of the extracting solution into a 10mL volumetric flask, adding water to a constant volume to a scale, and shaking up for later use.
The pretreatment device for starch determination provided by the technical scheme is convenient and quick to use, and can be used for batch treatment of samples.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. A pretreatment device for starch measurement, comprising:
the support frame (1) comprises a support part (11) and an inner concave part (12) which is lower than the support part (11);
a suspension plate (2) placed on the support portion (11); the suspension plate (2) comprises a mounting hole (21); and
the funnel (3) is hung on the mounting hole (21), and at least part of the funnel (3) is located in the inner concave part (12).
2. The pretreatment device for starch measurement according to claim 1, wherein the support frame (1) comprises:
a first side wall (13);
a second side wall (14) spaced from the first side wall (13), a space between the first side wall (13) and the second side wall (14) serving as the inner recess (12); and
a bottom wall (15), the first side wall (13) and the second side wall (14) each being mounted to the bottom wall (15);
wherein the ends of the first side wall (13) and the second side wall (14) remote from the bottom wall (15) together serve as the support (11), the suspension plate (2) being jointly supported by the first side wall (13) and the second side wall (14).
3. The pretreatment device for starch measurement according to claim 2, wherein the suspension plate (2) is provided with a plurality of mounting holes (21), and each of the mounting holes (21) corresponds to one of the hoppers (3).
4. The pretreatment device for starch measurement according to claim 3, wherein the mounting holes (21) are provided in a staggered manner.
5. The pretreatment apparatus for starch measurement according to claim 1, wherein the hanging plate (2) comprises a plurality of pieces, and each of the hanging plates (2) is disposed in parallel on the support portion (11).
6. The pretreatment device for starch measurement according to claim 1, wherein the shape of the mounting hole (21) matches the shape of the funnel (3).
7. The pretreatment device for starch measurement according to claim 1, wherein the mounting hole (21) includes:
a first straight hole (211);
an arcuate aperture (212);
the second straight hole (213), the arc hole (212) is located between the first straight hole (211) and the second straight hole (213), and the arc hole (212) is communicated with the first straight hole (211) and the second straight hole (213);
and a third straight hole (214) intersecting the second straight hole (213) and communicating with the second straight hole (213).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020901953.6U CN212309643U (en) | 2020-05-26 | 2020-05-26 | Pretreatment device for starch determination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020901953.6U CN212309643U (en) | 2020-05-26 | 2020-05-26 | Pretreatment device for starch determination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212309643U true CN212309643U (en) | 2021-01-08 |
Family
ID=74022744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020901953.6U Active CN212309643U (en) | 2020-05-26 | 2020-05-26 | Pretreatment device for starch determination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212309643U (en) |
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2020
- 2020-05-26 CN CN202020901953.6U patent/CN212309643U/en active Active
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