CN210401008U - Heating device for sample pretreatment - Google Patents
Heating device for sample pretreatment Download PDFInfo
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- CN210401008U CN210401008U CN201920876175.7U CN201920876175U CN210401008U CN 210401008 U CN210401008 U CN 210401008U CN 201920876175 U CN201920876175 U CN 201920876175U CN 210401008 U CN210401008 U CN 210401008U
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Abstract
The utility model discloses a heating device of sample pretreatment, be formed with the heating bath that is used for placing the sample groove of sample and is used for placing exothermic agent in the heating device of sample pretreatment, the sample groove with heating bath sharing part cell wall, perhaps sample groove part cell wall with the heating bath subsides are established. The utility model discloses a heating agent in the heating bath provides the heat, carries out chemical heating to the sample in the sample groove, has avoided connection source or portable power source to the volume is less, conveniently carries, can satisfy the heating demand under the multiple different environment.
Description
Technical Field
The utility model relates to a sample processing technology field especially relates to heating device of sample pretreatment.
Background
In the fields of biotechnology and chemical analysis, the sample analysis process is more and more perfect, wherein the sample pretreatment consumes most time, which is also an extremely important link and influences the precision and accuracy of the subsequent analysis and detection. The main purpose of the sample pretreatment is to separate the tested components from the complex sample, prepare the components into a solution form convenient for determination, remove the matrix components disturbing the analysis and determination, enrich and concentrate the tested trace components, reduce the minimum detection limit and improve the sensitivity of the method. During pre-processing, it is often necessary to heat the sample.
At present, heating in sample pretreatment is mainly realized by heating devices such as an electric furnace, an electric heating plate, a microwave oven, a water bath, a metal bath, an oven and a muffle furnace. These heating device all need connect power or portable power source to realize the heating to heating device is bulky, and is inconvenient to carry, can't satisfy the heating demand under the non-laboratory condition.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a heating device of sample pretreatment aims at solving heating device and all needs connecting power or portable power source to it is great, inconvenient carrying, the technical problem of the heating demand under the unable non-laboratory condition of satisfying.
In order to achieve the above object, the utility model provides a heating device of sample pretreatment, be formed with the sample groove that is used for placing the sample and is used for placing the heating bath of exothermic compound in the heating device of sample pretreatment, the sample groove with heating bath sharing part cell wall, perhaps sample groove part cell wall with the heating bath subsides are established.
Optionally, the heating device is a hollow strip, a U-shaped partition is disposed in the heating device, the U-shaped partition divides the internal space of the heating device into the sample slot and the heating slot, and the heating slot is located at the bottom of the sample slot.
Optionally, the heating device includes an inner layer and an outer layer surrounding the inner layer, the inner layer forms the sample slot, and the heating slot is formed between the outer layer and the inner layer.
Optionally, the heating device is a cuboid, at least one planar partition is arranged in the heating device, and the planar partition divides the internal space of the heating device into the sample tank and at least one heating tank which are arranged in parallel.
Optionally, the number of the planar partitioning members is two, the two planar partitioning members divide the internal space of the heating device into the sample slot and the two heating slots, which are arranged in parallel, and the sample slot is located between the two heating slots.
Optionally, the notch of the heating groove is provided with a sealing member easy to pierce so as to enable the heating groove to be in a sealed state.
Optionally, the closure is a plastic film.
Optionally, the heat generating agent is placed in the heating tank in the form of a bulk mixture or in the form of a heat generating pack.
Optionally, the heating agent in the heating bag is wrapped by a plastic film.
Optionally, the heat generating agent comprises at least one of the following combinations: sodium hydroxide and aluminum, calcium oxide, calcium hydroxide and aluminum, and the heat generating agent is sealed in the heating bath.
The technical scheme of the utility model through be formed with the sample groove that is used for placing the sample and is used for placing the heating bath of exothermic agent in the heating device of sample pretreatment, the sample groove with heating bath sharing part cell wall, perhaps sample groove partial cell wall with the heating bath subsides are established. The utility model discloses a heating agent in the heating bath provides the heat, carries out chemical heating to the sample in the sample groove, has avoided connection source or portable power source to the volume is less, conveniently carries, can satisfy the heating demand under the multiple different environment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 shows a schematic structural view of a heating device for sample pretreatment according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a heating device for sample pretreatment according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a heating device for sample pretreatment according to another embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
200 | Sample(s) |
| 300 | |
400 | |
| 500 | |
600 | |
| 700 | Outer layer |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions of the present invention referring to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural view of a heating apparatus for sample pretreatment according to an embodiment. The heating device for sample pretreatment is in a hollow long strip shape, the U-shaped separator 100 is arranged in the heating device, the separator 100 divides the internal space of the heating device into an upper part and a lower part to form a sample groove 300 for placing a sample 200 and a heating groove 500 for placing a heating agent 400, and the groove wall of the bottom part of the sample groove 300 is shared with the heating groove 500, so that when the heating agent 400 is controlled to provide heat, the heat can be well conducted from the heating groove 500 to the sample groove 300 through the separator 100, and the heating function is realized.
In addition, a notch (not shown) of the heating groove 500 may be provided near a groove wall at a side facing away from the partitioning member 100. The notch is further provided with a sealing member (not shown) which is easily pierced to seal the heating bath 500, and the heat generating agent 400 in the heating bath 500 is isolated from the outside. In order to prevent the heat generating agent 400 from being oxidized in the air, the air in the heating bath 500 may be evacuated to make the heat generating agent 400 in an environment close to vacuum before the heating bath 500 is sealed with the sealing member. The closure may be a plastic film or the like. The plastic film is cheap and easy to obtain, has light weight and good sealing performance, is easy to pierce, and is a better choice as the sealing piece. The heat generating agent 400 may be placed in the heating bath 500 in the form of a bulk mixture, uniformly mixed. The exothermic agent 400 may also be placed in the heating bath 500 in the form of an exothermic pack, so that the amount of the exothermic agent is controlled. And when the exothermic agent 400 is placed in the heating tank 500 in the form of an exothermic pack, the exothermic agent 400 may be wrapped by the plastic film to form the exothermic pack, and the plastic film may be perforated when the exothermic agent 400 is used.
The exothermic agent 400 may be used in various chemical products and combinations thereof. In the present embodiment, the composition of the heat generating agent 400 may be calcium oxide, or a combination of at least one of sodium hydroxide and aluminum, calcium hydroxide and aluminum. The exothermic agent 400 is sealed in the heating bath in a bulk or in a heat pack after being uniformly mixed. Wherein, the chemical reaction formula mainly comprises: 2Al +2NaOH +2H2O ═ 2NaAlO2+3H2 ═ 2, CaO + H2O ═ Ca (oh)2, Ca (oh)2+2Al +2H2O ═ Ca (AlO2)2+3H2 ℃. the reactions described above all release large amounts of heat.
Referring to fig. 2 and fig. 2 are schematic structural diagrams of a heating apparatus for sample pretreatment according to another embodiment, the heating apparatus for sample pretreatment includes an inner layer 600 and an outer layer 700 surrounding the inner layer 600, the inner layer 600 forms the sample tank 300, and the heating tank 500 is formed between the outer layer 700 and the inner layer 600, so that when heat is supplied by the heat generating agent 400, the heat can be well transferred from the heating tank 500 to the sample tank 300 through the inner layer 600, and the function of heating the sample 200 is achieved.
In addition, a notch (not shown) of the heating bath 500 may be provided near the outer layer 700 or on the upper surface of the heating bath 500. The notch is further provided with a sealing member (not shown) which is easily pierced to seal the heating bath 500, and the heat generating agent 400 in the heating bath 500 is isolated from the outside. In order to prevent the heat generating agent 400 from being oxidized in the air, the air in the heating bath 500 may be evacuated to make the heat generating agent 400 in an environment close to vacuum before the heating bath 500 is sealed with the sealing member. The closure may be a plastic film or the like. The heat generating agent 400 may be placed in the heating bath 500 in the form of a bulk mixture, uniformly mixed. The heat generating agent 400 may also be placed in the heating bath 500 in the form of a heat generating pack, so as to control the amount of the heat generating agent 400. And when the exothermic agent 400 is placed in the heating tank 500 in the form of an exothermic pack, the exothermic agent 400 may be wrapped by the plastic film to form the exothermic pack, and the plastic film may be perforated when the exothermic agent 400 is used. In the present embodiment, the composition of the heat generating agent 400 may be calcium oxide, or a combination of at least one of sodium hydroxide and aluminum, calcium hydroxide and aluminum. After the exothermic agent 400 is uniformly mixed, it is sealed in the heating bath 500 in a bulk or in a heat pack.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a heating device for sample pretreatment according to another embodiment, the heating device is rectangular, at least one planar partition 100 is disposed in the heating device, the partition 100 divides the internal space of the heating device into a sample tank 300 and at least one heating tank 500, optionally, the number of the partitions 100 is two, the two partitions 100 divide the internal space of the heating device into the sample tank 300 and the two heating tanks 500, which are disposed in parallel, and the sample tank 300 is located between the two heating tanks 500, so that when heat is provided by the heat generating agent 400, the heat can be well transferred from the heating tank 500 to the sample tank 300 through the partitions 100, and the functional partition for heating the sample 200 is realized.
In addition, a notch (not shown) of the heating bath 500 may be provided on an upper surface of the heating bath 500, or a side surface other than the separator 100. The notch is further provided with a sealing member (not shown) which is easily pierced to seal the heating bath 500, and the heat generating agent 400 in the heating bath 500 is isolated from the outside. The closure may be a plastic film or the like. The heat generating agent 400 may be placed in the heating bath 500 in the form of a bulk mixture, uniformly mixed. The heat generating agent 400 may also be placed in the heating bath 500 in the form of a heat generating pack, so as to control the amount of the heat generating agent 400. And when the exothermic agent 400 is placed in the heating tank 500 in the form of an exothermic pack, the exothermic agent 400 may be wrapped by the plastic film to form the exothermic pack, and the plastic film may be perforated when the exothermic agent 400 is used. In the present embodiment, the composition of the heat generating agent 400 may be calcium oxide, or a combination of at least one of sodium hydroxide and aluminum, calcium hydroxide and aluminum. After the exothermic agent 400 is uniformly mixed, it is sealed in the heating bath 500 in a bulk or in a heat pack.
In addition to the embodiment shown in fig. 1 to 3, when the heating device for sample pretreatment is used for heating, the sealing member at the notch of the heating tank 500 and the plastic film outside the heat generating agent 400 are first pierced, a proper amount of water is injected into the heating tank 400 through the sealing member, the water and the heat generating agent 400 chemically react to release a large amount of heat, and the heat is transferred into the sample tank 300, so that the purpose of heating the sample 200 in the sample tank 300 is achieved.
In addition, the components, the amount and the ratio of the heat generating agent 400 can be adjusted to control the heat releasing speed, the heat releasing amount and the reaction speed of the chemical reaction of the heat generating agent 400, so that the heating temperature is controlled at a preset fixed value and maintained for a preset time period to meet the requirements of different heating temperatures and heating times of the sample 200. In order to stabilize the heat release of the exothermic composition 400, one or more components selected from the group consisting of alumina, sodium carbonate, carbon powder, iron powder, aluminum compound, diatomaceous earth, and vermiculite may be added. The structure of the heating device is not limited to the structure shown in the above embodiment, and only a part of the groove wall of the sample groove 300 and the heating groove 500 is needed, or a part of the groove wall of the sample groove 300 is needed to be attached to the heating groove 500, so that heat can be effectively transferred.
In summary, in this embodiment, the sample tank 300 for placing the sample and the heating tank 500 for placing the heat generating agent 400 are formed in the heating device for sample pretreatment, the sample tank 300 shares a part of the tank wall with the heating tank 500, or a part of the tank wall of the sample tank 300 is attached to the heating tank 500, the sample in the sample tank 300 is chemically heated by the heat generating agent 400 in the heating tank 500, so that the use of heating devices such as an electric furnace, an electric heating plate, a microwave oven, a water bath, a metal bath, an oven and a muffle furnace is avoided, and no power supply is required to be connected, the volume is controllable, the carrying is convenient, and the heating device can be used in various heating environments.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. The heating device for sample pretreatment is characterized in that a sample groove for placing a sample and a heating groove for placing a heating agent are formed in the heating device for sample pretreatment, the sample groove and the heating groove share a partial groove wall, or the partial groove wall of the sample groove is attached to the heating groove.
2. The heating device for sample pretreatment according to claim 1, wherein the heating device has a hollow elongated shape, and a U-shaped partition member is provided in the heating device, the U-shaped partition member dividing an internal space of the heating device into the sample well and the heating well, and the heating well is located at a bottom of the sample well.
3. The heating device for sample pretreatment according to claim 1, wherein the heating device includes an inner layer and an outer layer provided around an outer periphery of the inner layer, the inner layer forms the sample well, and the heating well is formed between the outer layer and the inner layer.
4. The heating device for sample pretreatment according to claim 1, wherein the heating device has a rectangular parallelepiped shape, and at least one planar partition is provided in the heating device, and the planar partition divides an internal space of the heating device into the sample tank and at least one heating tank arranged in parallel.
5. The heating apparatus for sample pretreatment according to claim 4, wherein the number of the planar partitioning members is two, two of the planar partitioning members divide an inner space of the heating apparatus into the sample tank and two of the heating tanks, which are arranged in parallel, and the sample tank is located between the two heating tanks.
6. A heating apparatus for sample pretreatment according to any one of claims 1 to 5, wherein a notch of the heating bath is provided with a readily pierceable sealing member to seal the heating bath.
7. The heating device for sample pretreatment according to claim 6, wherein the sealing member is a plastic film.
8. The heating apparatus for sample pretreatment according to any one of claims 1 to 5, wherein the heat generating agent is placed in the heating bath in the form of a bulk mixture or a heat generating pack.
9. The heating device for sample pretreatment according to claim 8, wherein the heat generating agent in the heat generating pack is wrapped with a plastic film.
10. The heating device for sample pretreatment according to any one of claims 1 to 5 or 7, wherein the heat generating agent comprises at least one of the following combinations: sodium hydroxide and aluminum, calcium oxide, calcium hydroxide and aluminum, and the heat generating agent is sealed in the heating bath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920876175.7U CN210401008U (en) | 2019-06-11 | 2019-06-11 | Heating device for sample pretreatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920876175.7U CN210401008U (en) | 2019-06-11 | 2019-06-11 | Heating device for sample pretreatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210401008U true CN210401008U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920876175.7U Active CN210401008U (en) | 2019-06-11 | 2019-06-11 | Heating device for sample pretreatment |
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|---|---|
| CN (1) | CN210401008U (en) |
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