CN113049296A - Solid-state fermentation fermented grain sampling device - Google Patents
Solid-state fermentation fermented grain sampling device Download PDFInfo
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- CN113049296A CN113049296A CN202110426615.0A CN202110426615A CN113049296A CN 113049296 A CN113049296 A CN 113049296A CN 202110426615 A CN202110426615 A CN 202110426615A CN 113049296 A CN113049296 A CN 113049296A
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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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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Abstract
The invention discloses a solid-state fermented grain sampling device, which belongs to the technical field of solid-state fermentation and provides the solid-state fermented grain sampling device with simple and convenient operation and accurate sampling. The invention can realize the opening and closing of the feeding hole by rotating the sampling device after the sampling device is inserted into the fermented grains to the designated depth, thereby achieving the purpose of accurate sampling.
Description
Technical Field
The invention relates to the technical field of solid-state fermentation, in particular to a solid-state fermented grain sampling device.
Background
The solid state fermentation is a traditional food fermentation mode in China, such as traditional industries of solid state vinegar making, sauce making, liquor making and the like. The traditional white spirit industry is mainly in a solid state fermentation mode, raw materials such as sorghum, wheat and rice are adopted for cooking and pasting, then yeast for making hard liquor and bran shells as auxiliary materials are mixed and brewed, and the materials are filled into a cellar pool for natural fermentation, so that the traditional white spirit has the characteristics of long fermentation process (generally, the period is different from 1 month to 1 year), complex microbial system, fermentation heterogeneity and the like, and therefore the quality and the flavor of the white spirit in various regions are different, and the types are rich. Therefore, the research on the traditional solid state fermentation is more complex and difficult.
In daily production and scientific research, fermented grain samples at different positions in a fermentation pit are required to be obtained frequently, and different analysis researches such as physicochemical analysis, microbiology, proteomics, genomics, metabonomics and the like are carried out, so that the condition of solid state fermentation in different areas and under different process conditions is known, and technical support is provided for promoting the traditional solid state fermentation process technology. However, the conventional solid-state pit is usually large and deep, such as the pit for white spirit is 2-3 m long, the fermented grains contain grains, bran shells and other materials, and are accumulated for a long time, and the fermented grains have large viscosity and resistance of bran shell fibers, so that a general sampler is difficult to go deep into the pit, the operation is laborious and inconvenient, the fermented grains on different layers are easy to extrude into a sampling cavity in the sampling process, the fermented grain sample on a fixed point position cannot be accurately obtained, the sampling amount is small, and the like. Therefore, the difficulty of the obtained fermented grain sample is high, the sample is inaccurate, and the smooth development of scientific research tests is influenced.
Therefore, it is important to develop a solid-state fermented grain sampling device which is simple and convenient to operate and accurate in sampling.
Disclosure of Invention
The invention aims to provide a solid fermented grain sampling device which is simple and convenient to operate and accurate in sampling.
The technical scheme adopted by the invention for solving the technical problems is as follows: solid state fermentation fermented grain sampling device, including extension rod and sample body, the one end of sample body is provided with conical head cone, and the other end of sample body is connected with the one end of extension rod, and the other end of extension rod is for gripping the handle, the sample body includes the cylinder wall and scrapes in a wretched state arc piece, sets up in the inside of cylinder wall and holds the material room, is provided with the feed inlet on the cylinder wall, and the perpendicular limit of one side of scraping in a wretched state arc piece erects the limit and can rotate relatively pin joint cooperation through the axis of rotation with one side of feed inlet to scrape in a wretched state arc piece and can realize that the feed inlet switches between closed condition and open mode after rotating.
Further, the method comprises the following steps: and a baffle plate protruding outwards is arranged on the outer side surface of the lees scraping arc-shaped piece, and the baffle plate is arranged near the vertical edge of the lees scraping arc-shaped piece far away from the rotating shaft.
Further, the method comprises the following steps: the outer side surface of the wall of the cylinder body is provided with an arc-shaped fixing plate, the arc-shaped fixing plate is arranged near a vertical edge of the feeding hole connected with the rotating shaft, and the arc-shaped fixing plate surrounds the rotating shaft in the arc-shaped fixing plate after being bent towards the direction of the rotating shaft.
Further, the method comprises the following steps: when the vinasse scraping arc-shaped piece rotates to realize the opening state of the feeding hole, the maximum rotation angle theta of the vinasse scraping arc-shaped piece is limited by the arc-shaped fixing plate, and the maximum rotation angle theta is smaller than 90 degrees.
Further, the method comprises the following steps: the extension rod comprises a T-shaped rod and a connecting rod, a T-shaped structure is arranged on the T-shaped rod and serves as a holding handle, the T-shaped rod is detachably connected with one end of the connecting rod, and the other end of the connecting rod is detachably connected with the sampling body.
Further, the method comprises the following steps: still include horizontal inserted bar, be provided with a plurality of horizontal jacks that the length direction of perpendicular to connecting rod set up on the connecting rod, each horizontal jack sets up along the length direction interval distribution of connecting rod, horizontal inserted bar can pass arbitrary one horizontal jack.
Further, the method comprises the following steps: the connecting rod is provided with a plurality of roots, and each connecting rod adopts the connection mode series connection of dismantling in proper order.
Further, the method comprises the following steps: the end part of the sampling body connected with the extension rod is provided with a tail cone part.
Further, the method comprises the following steps: the periphery of the nose cone is provided with a spiral wheel sheet.
Further, the method comprises the following steps: the spiral wheel sheet is of a double-spiral structure.
The invention has the beneficial effects that: the grain scraping arc-shaped sheet is arranged and can be rotatably arranged on the wall of the cylinder body through the rotating shaft, so that the feed inlet is closed and opened through the rotation of the grain scraping arc-shaped sheet, and the indirect rotation of the grain scraping arc-shaped sheet can be realized through rotating the whole sampling device in the sampling process; therefore, the grain scraping arc-shaped sheet can be opened by rotating the sampling device after the grain scraping arc-shaped sheet is inserted into the fermented grains to a specified depth, so that sampling is realized, and the sampling device is rotated in the opposite direction after sampling so as to seal the grain scraping arc-shaped sheet, so that the aim of accurate sampling is fulfilled; and the whole sampling process is very convenient and simple. In addition, in the sampling process, the sampling device can be repeatedly rotated for multiple times to realize multiple feeding so that fermented grains scraped into the material containing chamber are repeatedly compacted, so that the sampling amount of sampling at the same position after the device is inserted for a single time is increased, and the repeated sampling operation of the fermented grains after being inserted for multiple times and the problem of mixing of sampled fermented grains at different positions caused by the repeated sampling operation can be avoided. And through setting up the baffle, then can further strengthen the torque effort of scraping in a wretched state arc piece and revolving the axis of rotation with the help of the baffle in the in-process of rotating sampling device to ensure scraping in a wretched state arc piece can more smooth realization to the opening or seal of feed inlet. In addition, through the structure that sets up T shape pole and connecting rod, the handle is held in the formation of can being convenient for of T shape pole on the one hand, and on the other hand adopts the dismantled connection of connecting rod can conveniently be according to the length of the free adjustment extension rod of required inserted degree of depth. In addition, after the structure of setting up horizontal jack and horizontal inserted bar, can insert horizontal inserted bar at the middle part suitable position of extension rod at any time to provide supplementary application of force position through horizontal inserted bar, so that make things convenient for the user of service to operate when inserting, taking out and rotating whole sampling device's operation. In addition, by arranging the arc-shaped fixing plate, the flow guide effect can be exerted in the process of rotating the sampling device to open the feed inlet so as to discharge the fermented grains, the sampling device can be favorably and smoothly drilled into the deep layer of the fermented grains, and simultaneously, the maximum rotation angle theta after the opening of the arc-shaped grain scraping plate can be limited after the arc-shaped grain scraping plate is rotated to be opened, and the arc-shaped scraping plate can be supported and protected. The sampling device has the advantages of simple and convenient sampling operation, large sampling amount, accurate sampling position, low labor intensity, good sampling effect and the like, and has good practical value in enterprise production and scientific research of colleges and universities.
Drawings
FIG. 1 is a schematic view of a solid fermented grain sampling device according to the present invention;
FIG. 2 is a schematic cross-sectional view of the sampling body with the groove scraping arc-shaped piece in a closed state;
FIG. 3 is a schematic view of the arc blade of FIG. 2 in an open position;
FIG. 4 is a schematic view of the rotation track of the arc-shaped scraping slot sheet;
labeled as: the device comprises an extension rod 1, a sampling body 2, a nose cone 3, a holding handle 4, a cylinder wall 5, a grain scraping arc-shaped sheet 6, a feeding hole 7, a rotating shaft 8, a baffle 9, an arc-shaped fixing plate 10, a T-shaped rod 11, a connecting rod 12, a transverse insertion rod 13, a transverse insertion hole 14, a tail cone part 15, a spiral wheel sheet 16 and a material containing chamber 17.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
It should be noted that, if there are directional indication terms, such as the terms of direction and orientation, above, below, left, right, front and back, in the present invention, for facilitating the description of the relative positional relationship between the components, the absolute position that is not the positional relationship between the related components and the components is specifically referred to, and is only used for explaining the relative positional relationship and the motion situation between the components in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly. When the present invention relates to a number, such as "a plurality", "several", etc., two or more than two are specifically referred to.
As shown in fig. 1 to 4, the solid fermented grain sampling device of the present invention includes an extension rod 1 and a sampling body 2, one end of the sampling body 2 is provided with a conical head cone 3, the other end of the sampling body 2 is connected with one end of the extension rod 1, the other end of the extension rod 1 is a holding handle 4, the sampling body 2 includes a cylindrical wall 5 and a grain scraping arc piece 6, a material accommodating chamber 17 is arranged inside the cylindrical wall 5, a feed inlet 7 is arranged on the cylindrical wall 5, a vertical edge of one side of the grain scraping arc piece 6 and a vertical edge of one side of the feed inlet 7 are pivotally connected and matched through a rotating shaft 8, and the grain scraping arc piece 6 can realize switching of the feed inlet 7 between a closed state and an open state after rotating.
The head cone 3 has the advantage that the insertion end of the sampling body 2 is in a cone tip shape, so that the sampling body 2 can be inserted into the fermented grains more smoothly. More preferably, a spiral wheel piece 16 can be arranged on the periphery of the nose cone 3; this further promotes the continuous penetration of the sampling device into the interior of the fermented grain by the guiding action of the helical wheel 16 by suitably rotating the sampling device during the insertion of the sampling body 2. Of course, the helical wheel piece 16 may be specifically provided in a blade structure that is spirally wound around the outer peripheral surface of the nose cone 3, and may be specifically provided in a double helix structure, that is, a blade structure provided with two helices and may be symmetrically distributed. In addition, the spiral direction of the spiral wheel piece 16 should meet the requirement that the spiral wheel piece 16 can generate a force for making the head cone 3 drill towards the inner direction of the fermented grains in the process of rotating the sampling device, and can also generate a force for making the grain scraping arc-shaped piece 6 rotate towards the direction for closing the feed inlet 7 in the process of rotating the sampling device.
According to the invention, the groove scraping arc-shaped piece 6 is arranged and can be rotatably arranged on the cylinder wall 5 through the rotating shaft 8, and the feed inlet 7 is closed and opened through the rotation of the groove scraping arc-shaped piece 6. The indirect rotation of the grain scraping arc-shaped sheet 6 can be realized by rotating the whole sampling device in the sampling process, so that the grain scraping arc-shaped sheet 6 can open the feed inlet 7 by rotating the sampling device after being inserted into the fermented grains to a specified depth, the sampling is further realized, and the sampling device is rotated in the opposite direction after the sampling to enable the grain scraping arc-shaped sheet 6 to close the feed inlet 7, so that the aim of accurately sampling at a specified position is fulfilled; and the whole sampling process is very convenient and simple. In addition, in the sampling process, the sampling device can be rotated repeatedly for many times, for example, the scraping tank arc-shaped sheet 6 is rotated towards one direction to open the feed port 7 for sampling and then rotated in the opposite direction to realize the extrusion effect on the materials scraped into the material accommodating chamber 17 in the process of closing the feed port 7 by means of the scraping tank arc-shaped sheet 6, so that the fermented grains scraped into the material accommodating chamber 17 can be repeatedly compacted by repeated sampling for many times, the sampling amount of sampling at the same depth position after the fermented grains are inserted into the sampling device for a single time is increased, and the situation of repeated sampling operation for the fermented grains by repeated insertion and the problem of mixing of the sampled fermented grains with position deviation caused by the repeated sampling operation for many times can be avoided.
In addition, the rotation of the grain scraping arc-shaped piece 6 in the invention is realized through the installation structure of the rotating shaft 8, and because the indirect rotation driving of the grain scraping arc-shaped piece 6 is realized by rotating the sampling device, the axial direction of the rotating shaft 8 should be the same as the insertion direction of the sampling device, namely the axial direction of the rotating shaft 8 is the same as the length direction of the extension rod 1. As shown in the drawing, the feeding opening 7 formed in the cylindrical wall 5 has a substantially rectangular opening, and the rotating shaft 8 is mounted on one of the vertical sides of the feeding opening 7, and the vertical side is axially aligned with the rotating shaft 8. More specifically, the rotating shaft 8 may actually adopt a conventional hinge structure to realize the rotating connection between the groove scraping arc-shaped piece 6 and the cylinder body wall 5.
In addition, the invention can further arrange a baffle 9 protruding outwards on the outer side surface of the lees scraping arc-shaped piece 6, wherein the baffle 9 is arranged near the vertical edge of the lees scraping arc-shaped piece 6 far away from the rotating shaft 8; reference is made in detail to the accompanying drawings. The advantage of this arrangement is that the baffle 9 can be further used to enhance the torque acting force of the grain scraping arc-shaped piece 6 around the rotating shaft 8 in the process of rotating the sampling device, so as to ensure that the grain scraping arc-shaped piece 6 can more smoothly open or close the feed inlet 7. In the structure shown in fig. 2, after the sampling body is inserted into the fermented grains, in the process of clockwise rotation along the arrow in fig. 2, the fermented grain material located at the periphery of the sampling body 2 will generate an acting force F1 to the baffle 9, which is approximately as shown in fig. 2, and further the fermented grain scraping arc-shaped piece 6 can be driven to rotate counterclockwise under the action of the acting force F1, so as to close the feed inlet 7. On the contrary, in the structure shown in fig. 3, after the sampling body is inserted into the fermented grains, in the process of rotating counterclockwise along the arrow in fig. 3, the fermented grains material located at the periphery of the sampling body 2 will generate an acting force F2 approximately as shown in fig. 3 to the baffle 9, and further the fermented grain scraping arc-shaped piece 6 can be driven to rotate clockwise under the action of the acting force F2, so as to open the feeding hole 7.
In addition, in the present invention, an arc-shaped fixing plate 10 may be further provided on the outer side surface of the cylindrical wall 5, the arc-shaped fixing plate 10 is provided near a vertical edge where the feed port 7 is connected to the rotating shaft 8, and the arc-shaped fixing plate 10 is bent toward the rotating shaft 8 to surround the rotating shaft 8 inside the arc-shaped fixing plate 10; reference is made in detail to the accompanying drawings. Through setting up arc fixed plate 10, can play the water conservancy diversion effect at the in-process that rotates sampling device in order to open feed inlet 7 to arrange the unstrained spirits of opening, help sampling device to dig into the unstrained spirits deep layer smoothly, scrape the biggest turned angle theta that the unstrained spirits arc piece 6 opened after the arced piece 6 of in a wretched state of scraping rotates to open feed inlet 7 simultaneously still can spacing, and play the support guard action to scraping the arced piece 6 of in a wretched state of scraping.
More specifically, the invention can also limit the maximum rotation angle theta to be less than 90 degrees by arranging the arc-shaped fixing plate 10; such as by positioning the arc-shaped fixation plate 10 in a suitable position to limit the maximum rotation angle theta to 60 deg..
In addition, the extension rod 1 of the present invention may be specifically formed in a rod shape, and functions to insert the sampling body 2 into the fermented grains to a certain depth. Considering that the sampling of the fermented grains often needs to be inserted into different depth positions, the extension rod 1 is further arranged to be a rod structure with adjustable length, for example, the extension rod 1 can be arranged to specifically comprise a T-shaped rod 11 and a connecting rod 12, the T-shaped rod 11 is provided with a T-shaped structure as a holding handle 4, the T-shaped rod 11 is detachably connected with one end of the connecting rod 12, and the other end of the connecting rod 12 is detachably connected with the sampling body 2. Thus, different numbers or lengths of the connecting rods 12 can be selected for connection as required to form sampling devices of different lengths.
More specifically, a plurality of connecting rods 12 can be arranged, and the connecting rods 12 are sequentially connected in series in a detachable connection mode; therefore, only a corresponding number of connecting rods 12 are reasonably selected to be connected in series according to the depth requirement of inserting into the fermented grains. And the connecting rods 12 can be connected one by one in the process of inserting the fermented grains, namely, the first connecting rod 12 is connected first, then one end of the sampling body 2 of the sampling device is inserted into the fermented grains, and when the part of the extension rod 1, which is positioned outside the fermented grains, is short, the next connecting rod 2 is connected, then the connection with the next connecting rod 12 is carried out again after the connection is continued to be inserted for a certain depth until the inserted depth position meets the set requirement.
More specifically, for the detachable connections between the connection rod 12 and the sampling body 2, between the connection rod 12 and the T-shaped rod 11, and between the connection rod 12 and the connection rod 12, the present invention can be implemented by using a conventional detachable connection structure such as a plug-in connection structure, a screw connection, etc.
More specifically, the present invention may further include a horizontal insertion rod 13, wherein the connecting rod 12 is provided with a plurality of horizontal insertion holes 14 perpendicular to the length direction of the connecting rod 12, the horizontal insertion holes 14 are distributed along the length direction of the connecting rod 12 at intervals, and the horizontal insertion rod 13 can pass through any one of the horizontal insertion holes 14. In this way, the cross-insertion rod 13 can be inserted into the cross-insertion hole 14 at a proper position during the use of the sampling device to form a cross-shaped structure with the connecting rod 12, so that the operator can provide an auxiliary force application part by means of the cross-insertion rod 13 to facilitate the operation of inserting, taking out and rotating the whole sampling device.
More specifically, since the diameter of the sampling body 2 is generally much larger than that of the extension rod 1, in order to facilitate the transition connection between the two, the present invention may be provided with a tail cone 15 at the end of the sampling body 2 connected to the extension rod 1; as shown in the drawing, the tail cone portion 15 is a portion of the cylindrical wall 5 of the sampling body 2, and has a tapered structure gradually reduced toward the extension rod 1, and is finally reduced to a diameter corresponding to the extension rod 1 and then connected to the extension rod 1.
Claims (10)
1. Solid state fermentation unstrained spirits sampling device, including extension rod (1) and sample body (2), the one end of sample body (2) is provided with conical head awl (3), and the other end of sample body (2) is connected with the one end of extension rod (1), and the other end of extension rod (1) is for gripping handle (4), its characterized in that: sample body (2) include cylinder wall (5) and scrape in a wretched state arc piece (6), set up in the inside of cylinder wall (5) and hold material room (17), be provided with feed inlet (7) on cylinder wall (5), one side of scraping in a wretched state arc piece (6) is erected the limit and pass through axis of rotation (8) and can rotate pin joint cooperation relatively with one side of feed inlet (7) to scrape in a wretched state arc piece (6) and can realize feed inlet (7) after rotating and switch between closed condition and open mode.
2. The solid-state fermented grain sampling device of claim 1, wherein: a baffle (9) protruding outwards is arranged on the outer side surface of the lees scraping arc-shaped piece (6), and the baffle (9) is arranged near the vertical edge of the lees scraping arc-shaped piece (6) far away from the rotating shaft (8).
3. The solid-state fermented grain sampling device of claim 1, wherein: be provided with arc fixed plate (10) on the lateral surface of cylinder wall (5), arc fixed plate (10) set up in near the perpendicular limit that feed inlet (7) and axis of rotation (8) are connected to arc fixed plate (10) surround axis of rotation (8) inside at arc fixed plate (10) after arc fixed plate (10) are towards the crooked setting in the direction of axis of rotation (8).
4. The solid-state fermented grain sampling device of claim 3, wherein: when the vinasse scraping arc-shaped sheet (6) rotates to realize the opening state of the feed inlet (7), the maximum rotation angle theta of the vinasse scraping arc-shaped sheet (6) is limited by the arc-shaped fixing plate (10), and the maximum rotation angle theta is smaller than 90 degrees.
5. The solid-state fermented grain sampling device of claim 1, wherein: extension pole (1) is provided with T shape structure as holding handle (4) including T shape pole (11) and connecting rod (12) on T shape pole (11), and T shape pole (11) can be dismantled with the one end of connecting rod (12) and be connected, and the other end and the sample body (2) of connecting rod (12) can be dismantled and be connected.
6. The solid-state fermented grain sampling device of claim 5, wherein: the connecting rod (12) is provided with a plurality of transverse insertion holes (14) which are perpendicular to the length direction of the connecting rod (12), the transverse insertion holes (14) are distributed along the length direction of the connecting rod (12) at intervals, and the transverse insertion rod (13) can penetrate through any one transverse insertion hole (14).
7. The solid-state fermented grain sampling device of claim 5, wherein: the connecting rods (12) are provided with a plurality of connecting rods, and the connecting rods (12) are sequentially connected in series in a detachable connection mode.
8. The solid-state fermented grain sampling device of claim 1, wherein: a tail cone part (15) is arranged at the end part of the sampling body (2) connected with the extension rod (1).
9. The solid-state fermented grain sampling device according to any one of claims 1 to 8, wherein: the periphery of the nose cone (3) is provided with a spiral wheel sheet (16).
10. The solid-state fermented grain sampling device of claim 9, wherein: the spiral wheel sheet (16) is of a double-spiral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110426615.0A CN113049296A (en) | 2021-04-20 | 2021-04-20 | Solid-state fermentation fermented grain sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110426615.0A CN113049296A (en) | 2021-04-20 | 2021-04-20 | Solid-state fermentation fermented grain sampling device |
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| CN113049296A true CN113049296A (en) | 2021-06-29 |
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| CN202110426615.0A Pending CN113049296A (en) | 2021-04-20 | 2021-04-20 | Solid-state fermentation fermented grain sampling device |
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| CN205300972U (en) * | 2016-01-14 | 2016-06-08 | 河南科技学院 | Portable undisturbed soil sampler |
| CN208818519U (en) * | 2018-08-20 | 2019-05-03 | 山东泰诺检测科技有限公司 | A kind of Soil K+adsorption sampler |
| CN209117398U (en) * | 2018-08-23 | 2019-07-16 | 赤峰元易生物质科技有限责任公司 | A kind of methane liquid sampler |
| CN211652128U (en) * | 2019-12-25 | 2020-10-09 | 泸州金窖醇酒业有限公司 | White spirit fermented grain sampler |
| CN212007941U (en) * | 2020-04-30 | 2020-11-24 | 中科兴创（北京）科技有限公司 | Slurry sampler |
| CN112198005A (en) * | 2020-11-04 | 2021-01-08 | 常州苏盛塑粉制造有限公司 | Sampling device for plastic powder |
| CN212780132U (en) * | 2020-06-28 | 2021-03-23 | 湖北稻花香酒业股份有限公司 | Sampling drill rod for solid fermented grains of white spirit |
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2021
- 2021-04-20 CN CN202110426615.0A patent/CN113049296A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69831046D1 (en) * | 1997-09-12 | 2005-09-08 | Becton Dickinson Co | Ball joint closure with elastomer seal for sample receptacle |
| CN203534854U (en) * | 2013-09-13 | 2014-04-09 | 泸州品创科技有限公司 | Sampler for fermented grains |
| CN104990757A (en) * | 2015-07-29 | 2015-10-21 | 上海市机械施工集团有限公司 | Cement soil in-situ sampling device and sampling method using the same |
| CN205300972U (en) * | 2016-01-14 | 2016-06-08 | 河南科技学院 | Portable undisturbed soil sampler |
| CN208818519U (en) * | 2018-08-20 | 2019-05-03 | 山东泰诺检测科技有限公司 | A kind of Soil K+adsorption sampler |
| CN209117398U (en) * | 2018-08-23 | 2019-07-16 | 赤峰元易生物质科技有限责任公司 | A kind of methane liquid sampler |
| CN211652128U (en) * | 2019-12-25 | 2020-10-09 | 泸州金窖醇酒业有限公司 | White spirit fermented grain sampler |
| CN212007941U (en) * | 2020-04-30 | 2020-11-24 | 中科兴创（北京）科技有限公司 | Slurry sampler |
| CN212780132U (en) * | 2020-06-28 | 2021-03-23 | 湖北稻花香酒业股份有限公司 | Sampling drill rod for solid fermented grains of white spirit |
| CN112198005A (en) * | 2020-11-04 | 2021-01-08 | 常州苏盛塑粉制造有限公司 | Sampling device for plastic powder |
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Application publication date: 20210629 |