CN219416959U - Multichannel biological sample radioactive pretreatment device - Google Patents
Multichannel biological sample radioactive pretreatment device Download PDFInfo
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- CN219416959U CN219416959U CN202320293925.4U CN202320293925U CN219416959U CN 219416959 U CN219416959 U CN 219416959U CN 202320293925 U CN202320293925 U CN 202320293925U CN 219416959 U CN219416959 U CN 219416959U
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- heating
- temperature measuring
- measuring device
- biological sample
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to a multichannel biological sample radioactive pretreatment device, wherein one or more heating chambers are fixedly connected in a box body, heating pipes are positioned in the heating chambers and fixedly connected with the heating chambers, an exhaust duct penetrates through the heating chambers, a fan is arranged in the exhaust duct, one or more temperature measuring devices are arranged in the heating chambers, a material frame is positioned in the heating chambers, the temperature measuring devices are positioned above the heating chambers, and the heating chambers are rotatably connected with a sealing chamber door. According to the utility model, the temperature measuring device is horizontally moved through the telescopic rod, so that the temperature measuring device is suitable for biological samples with different sizes, and automatically moves downwards during operation, so that the temperature measuring device always keeps contact with the biological samples, the temperature measurement is accurate, and the problem of inaccurate temperature measurement of the temperature measuring device is solved; the heating bins which are arranged to work independently are arranged, the second heat preservation layers are arranged between the heating bins to insulate heat, the mutual influence between the heating bins is avoided, a plurality of biological samples can be heated simultaneously, and the problem that the working efficiency of the pretreatment device is low is solved.
Description
Technical Field
The utility model relates to the field of biological sample radioactivity detection, in particular to a multichannel biological sample radioactivity pretreatment device.
Background
In the laboratory radioactivity detection process of biological samples, in order to accurately determine whether radioactive elements exist in the biological samples, a large number of biological samples (plants, grains, animals, seafood, milk and the like) need to be ashed according to the national standard, open fire cannot occur in the whole ashing process, and the temperature needs to be set according to different samples so as to reasonably prevent sublimation and escape of partial nuclides. The temperature measuring device of the existing pretreatment device (heating device) is fixedly arranged in the equipment, and the temperature of the air in the equipment is measured. The temperature of the biological sample is in error with the temperature of the air in the apparatus, which results in inaccurate heating temperatures in existing pretreatment devices. Meanwhile, the existing pretreatment device can only heat one biological sample at a time, and has low working efficiency.
Disclosure of Invention
The utility model aims to solve the problems, and provides a multichannel biological sample radioactive pretreatment device, which solves the problem of inaccurate temperature measurement of a temperature measurement device and the problem of lower working efficiency of the pretreatment device.
A multi-channel biological sample radioactive pretreatment device, comprising: the heating device comprises a box body, a heating bin, a heating pipe, a fan, an exhaust duct and a material frame, wherein one or more heating bins are fixedly connected in the box body, the heating pipe is located inside the heating bin and fixedly connected with the heating bin, the exhaust duct penetrates through the heating bin, the fan is installed inside the exhaust duct, one or more temperature measuring devices are arranged inside the heating bin, the material frame is located inside the heating bin, the temperature measuring devices are located above the heating bin, and the heating bin is rotationally connected with a sealing bin door.
On the basis of the technical scheme, the heating bin comprises an outer bin body, a first heat preservation layer, an inner bin body, a vacuum cavity and a supporting frame, wherein the outer bin body is positioned on the inner side of the inner bin body, two ends of the supporting frame are fixedly connected with the outer bin body and the inner bin body respectively, a closed vacuum cavity is formed between the outer bin body and the inner bin body, and the first heat preservation layer is positioned in the vacuum cavity and is fixedly connected with the outer bin body.
On the basis of the technical scheme, the temperature measuring device further comprises a spring and a sliding sleeve, the temperature measuring device penetrates through the sliding sleeve and is in sliding connection with the sliding sleeve, and two ends of the spring are respectively in contact with the sliding sleeve and the temperature measuring device.
On the basis of the technical scheme, the heating device further comprises a telescopic rod, and two ends of the telescopic rod are fixedly connected with the heating bin and the sliding sleeve respectively.
On the basis of the technical scheme, the heating device further comprises a second heat preservation layer, wherein the second heat preservation layer is positioned outside the heating bin and fixedly connected with the heating bin.
On the basis of the technical scheme, the novel material rack further comprises an exhaust hood, wherein the exhaust hood is positioned above the material rack and is fixedly connected with the exhaust duct.
The utility model has the following advantages: the telescopic rod enables the temperature measuring device to horizontally move, so that the temperature measuring device is suitable for biological samples with different sizes, the sliding sleeve enables the temperature measuring device to automatically move downwards during operation, the temperature measuring device always keeps contact with the biological sample, the temperature of the biological sample is directly sampled, the temperature measurement is accurate, and the problem that the temperature measurement of the temperature measuring device is inaccurate is solved; the heating bins which are arranged to work independently are arranged, the second heat preservation layers are arranged between the heating bins to insulate heat, the mutual influence between the heating bins is avoided, a plurality of biological samples can be heated simultaneously, and the problem that the working efficiency of the pretreatment device is low is solved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is apparent that the drawings in the following description are only one embodiment of the present utility model, and that other embodiments of the drawings may be derived from the drawings provided without inventive effort for a person skilled in the art.
Fig. 1: the utility model is a schematic diagram of a front view structure;
fig. 2: the front view cross-section structure schematic diagram of the utility model;
fig. 3: schematic diagram of the front cross-section structure of the heating bin.
Detailed Description
The utility model is further illustrated by the following figures and examples:
embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "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, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Embodiment one:
as shown in fig. 1 to 3, the present embodiment provides a multichannel biological sample radioactive pretreatment apparatus, comprising: the heating cabinet comprises a cabinet body 1, a heating bin 2, a heating pipe 3, a fan 4, an exhaust duct 41 and a material frame 5, wherein one or more heating bins 2 are fixedly connected in the cabinet body 1, the heating pipe 3 is located inside the heating bin 2 and fixedly connected with the heating bin 2, the exhaust duct 41 penetrates through the heating bin 2, the fan 4 is installed inside the exhaust duct 41, one or more temperature measuring devices 7 are arranged inside the heating bin 2, the material frame 5 is located inside the heating bin 2, the temperature measuring devices 7 are located above the heating bin 2, and the heating bin 2 is rotationally connected with a sealing bin door 26.
Based on the technical scheme, the heating pipe 3 is a honeycomb type corrosion-resistant acid-alkali-resistant stainless steel heater, and the heating pipe 3 is fixedly connected with the inner bin body 23 through the bracket 31. Preferably, the stainless steel heater is a U-shaped heating pipe and is arranged on the side face of the inner cavity of the heating bin 2, and a stainless steel fan is arranged in the middle of the U-shaped heating pipe and can blow hot air to the material frame 5.
Based on the technical scheme, the temperature measuring device 7 is a k-type thermocouple.
On the basis of the technical scheme, the heating bin 2 comprises an outer bin body 21, a first heat-insulating layer 22, an inner bin body 23, a vacuum cavity 24 and a supporting frame 25, wherein the outer bin body 21 is positioned on the inner side of the inner bin body 23, two ends of the supporting frame 25 are fixedly connected with the outer bin body 21 and the inner bin body 23 respectively, a closed vacuum cavity 24 is formed between the outer bin body 21 and the inner bin body 23, and the first heat-insulating layer 22 is positioned in the vacuum cavity 24 and is fixedly connected with the outer bin body 21.
On the basis of the technical scheme, the temperature measuring device further comprises a spring 8 and a sliding sleeve 61, wherein the temperature measuring device 7 penetrates through the sliding sleeve 61 and is in sliding connection with the sliding sleeve 61, and two ends of the spring 8 are respectively contacted with the sliding sleeve 61 and the temperature measuring device 7.
On the basis of the technical scheme, the heating device further comprises a telescopic rod 6, and two ends of the telescopic rod 6 are fixedly connected with the heating bin 2 and the sliding sleeve 61 respectively.
On the basis of the technical scheme, the heating device further comprises a second heat preservation layer 9, and the second heat preservation layer 9 is positioned outside the heating bin 2 and fixedly connected with the heating bin 2.
On the basis of the technical scheme, the novel material rack further comprises an exhaust hood 42, wherein the exhaust hood 42 is positioned above the material rack 5, and the exhaust hood 42 is fixedly connected with the exhaust duct 41.
On the basis of the technical scheme, 4 universal hubs are arranged below the box body 1.
On the basis of the technical scheme, the touch control display 11 is fixedly connected with the outside of the box body 1. The touch display 11 and the corresponding control device are in the prior art.
On the basis of the technical scheme, the first heat-insulating layer and the second heat-insulating layer are high-temperature-resistant cellucotton, and the inner side of the sealing bin door 26 is also fixed with the high-temperature-resistant cellucotton.
Working principle:
each biological sample is placed above the material rack 5 of one heating bin 2, the temperature measuring device 7 is pushed upwards along the sliding sleeve 61 by hand, and the telescopic rod 6 is pulled to enable the temperature measuring device 7 to move above the biological sample. Then the temperature measuring device 7 is loosened by hand, and the temperature measuring device 7 moves downwards to contact with the biological sample under the gravity. Wherein, the spring 8, which is a compression spring, is contacted with the temperature measuring device 7 moving downwards, and is used for buffering the temperature measuring device 7 to reduce the speed thereof, so as to avoid damaging the temperature measuring device 7.
Thereafter, the sealing door 26 is closed and a different temperature is set for each heating compartment 2 using the touch display 11. The heating pipe 3 heats up to raise the proper temperature in the heating chamber 2 to dry, carbonize or ash the biological sample. At the same time, the fan 4 rotates to discharge the smoke generated by the biological sample out of the heating chamber 2.
In the heating process, along with the continuous shrinkage of the biological sample, the temperature measuring device 7 moves downwards under the gravity and keeps always in contact with the biological sample so as to obtain the temperature of the biological sample. The control device adjusts the temperature of the heating pipe 3 in real time according to the temperature reached by the temperature measuring device 7 so as to avoid open fire of the biological sample caused by overhigh temperature.
The present utility model has been described above by way of example, but the present utility model is not limited to the above-described embodiments, and any modifications or variations based on the present utility model fall within the scope of the present utility model.
Claims (6)
1. A multi-channel biological sample radioactive pretreatment device, comprising: box (1), heating storehouse (2), heating pipe (3), fan (4), exhaust duct (41) and material frame (5), fixedly connected with one or more heating storehouse (2) in box (1), heating pipe (3) are located inside heating storehouse (2) and with heating storehouse (2) fixed connection, exhaust duct (41) pass heating storehouse (2), fan (4) are installed inside exhaust duct (41), heating storehouse (2) inside is provided with one or more temperature measuring device (7), material frame (5) are located inside heating storehouse (2), temperature measuring device (7) are located heating storehouse (2) top, heating storehouse (2) are connected with sealed bin door (26) rotation.
2. The multi-channel biological sample radioactive pretreatment apparatus of claim 1, wherein: the heating bin (2) comprises an outer bin body (21), a first heat preservation layer (22), an inner bin body (23), a vacuum cavity (24) and a supporting frame (25), wherein the outer bin body (21) is located on the inner side of the inner bin body (23), two ends of the supporting frame (25) are fixedly connected with the outer bin body (21) and the inner bin body (23) respectively, a closed vacuum cavity (24) is formed between the outer bin body (21) and the inner bin body (23), and the first heat preservation layer (22) is located inside the vacuum cavity (24) and is fixedly connected with the outer bin body (21).
3. The multi-channel biological sample radioactive pretreatment apparatus of claim 1, wherein: the temperature measuring device is characterized by further comprising a spring (8) and a sliding sleeve (61), wherein the temperature measuring device (7) penetrates through the sliding sleeve (61) and is in sliding connection with the sliding sleeve (61), and two ends of the spring (8) are respectively contacted with the sliding sleeve (61) and the temperature measuring device (7).
4. The multi-channel biological sample radioactive pretreatment apparatus of claim 1, wherein: the heating device further comprises a telescopic rod (6), and two ends of the telescopic rod (6) are fixedly connected with the heating bin (2) and the sliding sleeve (61) respectively.
5. The multi-channel biological sample radioactive pretreatment apparatus of claim 1, wherein: the heating device further comprises a second heat preservation layer (9), wherein the second heat preservation layer (9) is positioned outside the heating bin (2) and is fixedly connected with the heating bin (2).
6. The multi-channel biological sample radioactive pretreatment apparatus of claim 1, wherein: the novel material rack is characterized by further comprising an exhaust hood (42), wherein the exhaust hood (42) is positioned above the material rack (5), and the exhaust hood (42) is fixedly connected with the exhaust duct (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320293925.4U CN219416959U (en) | 2023-02-23 | 2023-02-23 | Multichannel biological sample radioactive pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320293925.4U CN219416959U (en) | 2023-02-23 | 2023-02-23 | Multichannel biological sample radioactive pretreatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219416959U true CN219416959U (en) | 2023-07-25 |
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ID=87235945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320293925.4U Active CN219416959U (en) | 2023-02-23 | 2023-02-23 | Multichannel biological sample radioactive pretreatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219416959U (en) |
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2023
- 2023-02-23 CN CN202320293925.4U patent/CN219416959U/en active Active
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