CN219369333U - Graphite digestion instrument - Google Patents
Graphite digestion instrument Download PDFInfo
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- CN219369333U CN219369333U CN202320478707.8U CN202320478707U CN219369333U CN 219369333 U CN219369333 U CN 219369333U CN 202320478707 U CN202320478707 U CN 202320478707U CN 219369333 U CN219369333 U CN 219369333U
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Abstract
The utility model discloses a graphite digestion instrument, which comprises a chassis; the top surface of the graphite main body is provided with a plurality of digestion holes which are uniformly distributed, are open at the top end and are vertically arranged; the driving mechanism is arranged in the chassis and is in driving connection with the bottom of the graphite main body box above the chassis so as to drive the graphite digestion box to rotate clockwise or anticlockwise; the graphite heating mechanism is arranged at the inner bottom of the graphite digestion box and is used for heating digestion test tubes in a plurality of digestion holes in the graphite digestion box; and the control module is arranged on the chassis and is respectively and electrically controlled and connected with the driving mechanism and the graphite heating mechanism. The graphite digestion instrument has high digestion operation efficiency, simple and feasible overall structure, and stability and reliability.
Description
Technical Field
The utility model belongs to the technical field of metal element analysis equipment, and particularly relates to a graphite digestion instrument.
Background
In most metal element analysis processes, hydrofluoric acid is added in the soil digestion process to destroy the soil containing mineral lattices such as silicon aluminum, and H is generated when the hydrofluoric acid reacts with silicon and other compounds to decompose into silicate or other silicon-containing samples 2 SiF 6 SiF decomposed into gaseous state 4 Volatilize, so that the digestion tank is vibrated uninterruptedly in the digestion process to expel gaseous SiF 4 . Although the graphite acid-dispelling instrument on the market can enable the soil sample in the digestion tank to be heated uniformly and digested sufficiently, the acid is driven manually, so that SiF in the gaseous state in the sample is driven 4 The operation is complex, the effect is not high and the safety is low.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a graphite digestion instrument which has high digestion operation efficiency, simple and feasible overall structure and stability and reliability.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme.
The utility model provides a graphite digestion instrument, which comprises:
a chassis;
the graphite digestion box is provided with a graphite main body and a protective heat insulation shell wrapping the side surfaces and the bottom surface of the graphite main body, wherein a plurality of digestion holes which are uniformly distributed, are open at the top end and are vertically arranged are formed in the top surface of the graphite main body, and a digestion test tube made of polytetrafluoroethylene is placed in each digestion hole;
the driving mechanism is arranged in the chassis and is in driving connection with the bottom of the graphite main body box above the chassis so as to drive the graphite digestion box to rotate clockwise or anticlockwise;
the graphite heating mechanism is arranged at the bottom of the graphite digestion box and is used for heating the graphite main body and digestion test tubes in the plurality of digestion holes;
and the control module is arranged on the chassis and is respectively and electrically controlled and connected with the driving mechanism and the graphite heating mechanism.
Further, the graphite digestion box is of a cuboid structure and is provided with a plurality of digestion holes which are arranged in a matrix;
or the graphite digestion box is of a cylindrical structure and is provided with a plurality of digestion holes which are arranged in concentric circles.
Further, the driving mechanism comprises a driving motor, a rotating shaft, a slewing bearing, an annular switching disc and four supporting shafts, wherein an output shaft of the driving motor is coaxially and fixedly connected with the rotating shaft, the rotating shaft is coaxially and fixedly connected with an inner ring of the slewing bearing in a penetrating mode and is fixedly connected with the bottom center of the annular switching disc, an outer ring of the slewing bearing is fixedly arranged in the chassis, one ends of the four supporting shafts are uniformly and fixedly connected with the annular switching disc at equal angles, and the other ends of the four supporting shafts are vertically and upwards stretched and fixedly connected with the bottom of the graphite digestion box.
Further, the control module is provided with a control key area and a display screen which are arranged on the side face of the chassis.
Further, at least one temperature sensor is arranged between the graphite main body and the protective heat insulation shell, and the temperature sensor is electrically connected with the control module.
Further, the bottom of the chassis is provided with four supporting legs with adjustable heights.
Further, the outer ring of the slewing bearing is fixedly arranged on the two arc-shaped supporting frames.
Further, the graphite digestion box body 1/2 is arranged in a cylindrical cavity on the chassis.
Compared with the prior art, the utility model has the beneficial effects that: the graphite digestion instrument disclosed by the utility model is characterized in that the control module, the driving mechanism, the heating mechanism and the graphite digestion box are arranged in the chassis, so that the digestion operation efficiency can be effectively improved, and the graphite digestion instrument is stable, reliable and high in practicability.
Drawings
Fig. 1 is a schematic perspective view of a graphite digestion instrument according to an embodiment of the present utility model.
Fig. 2 is a front view of a graphite digestion instrument provided in accordance with an embodiment of the present utility model.
Fig. 3 is a cross-sectional view of a graphite digestion instrument provided in accordance with an embodiment of the present utility model.
Fig. 4 is a schematic diagram of a graphite heating mechanism provided according to an embodiment of the present utility model.
Fig. 5 is a schematic perspective view of a graphite digestion instrument without a digestion tube according to an embodiment of the present utility model.
Fig. 6 is a schematic diagram of a driving motor in a chassis according to an embodiment of the present utility model.
In the figure:
1. a chassis; 2. a graphite digestion tank; 3. digestion holes; 4. a graphite heating mechanism; 5. a driving motor; 6. a rotating shaft; 7. a slewing bearing; 8. an annular adapter plate; 9. a support shaft; 10. a control key area; 11. a display screen; 12. a temperature sensor; 13. a graphite body; 14. digestion test tubes; 15. a protective heat insulating shell; 16. a wiring port; 17. a support frame; 18. a bolt; 19. an output shaft; 20. and (5) supporting legs.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "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.
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 mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1, 2 and 3, the embodiment of the utility model provides a graphite digestion instrument, which comprises a chassis 1, a graphite digestion box 2, a driving mechanism, a graphite heating mechanism 4 and a control module.
Wherein, chassis 1 is trapezoidal body structure, is provided with the control module that is used for controlling actuating mechanism and graphite heating mechanism 4 inside, is provided with control button district 10 and display screen 11 on one side for control start-up shut down, regulation and control temperature size, rotational speed etc. function, still be provided with external power supply's wiring mouth 16 on the side, provide the power for whole device, chassis 1 bottom still is provided with four height-adjustable's supporting legs 20.
The graphite digestion box 2 is provided with a graphite main body 13 and a protective heat insulation shell 15 wrapping the side face and the bottom face of the graphite main body 13, wherein a plurality of digestion holes 3 which are uniformly distributed, are provided with openings at the top end and are vertically arranged are formed in the top face of the graphite main body 13, and digestion test tubes 14 made of polytetrafluoroethylene are placed in the digestion holes 3 and used for accommodating substances such as soil, liquid and the like to be digested.
Specifically, the top surface of the periphery of the protective heat insulating shell 15 is higher than the top surface of the graphite main body 13, and at least 2/3 of the tube body of the digestion test tube 14 is inserted into the digestion hole 3. In addition, the graphite digestion box 2 is arranged in a cylindrical cavity on the chassis 1 by 1/2.
In this embodiment, as shown in fig. 5, the protective heat insulation shell 15 and the graphite main body 13 of the graphite digestion case 2 are both in a cylindrical structure, and the graphite main body 13 is provided with a plurality of digestion holes 3 arranged in concentric circles. In addition, the digestion holes 3 may be arranged in other orderly or unordered manners, which is not limited herein.
The driving mechanism is arranged in the chassis 1 and is in driving connection with the bottom of the graphite main body 13 box above the chassis 1. Specifically, the graphite digestion tank 2 is fixedly connected to the bottom of the protective heat insulation shell 15 to drive the graphite digestion tank clockwiseOr anticlockwise rotate to make the substances such as soil and liquid in the digestion test tube 14 vibrate and fluctuate along with the rotation, so as to decompose SiF into gas 4 And the like are effectively volatilized out.
In the present embodiment, the driving mechanism includes a driving motor 5, a rotating shaft 6, a slewing bearing 7, an annular slewing ring 8, and four support shafts 9. The output shaft 19 of the driving motor 5 is fixedly connected with the rotating shaft 6 in a coaxial manner, the rotating shaft 6 is coaxially arranged in a penetrating manner and fixedly connected with the inner ring of the slewing bearing 7, and is fixedly connected with the bottom center of the annular slewing disc 8, the outer ring of the slewing bearing 7 is fixedly arranged on the inner side wall of the chassis 1 and the like through the supporting blocks/supporting frames 17 and the like, one end of each of the four supporting shafts 9 is uniformly and fixedly connected with the annular slewing disc 8 in an equal angle manner, and the other end of each of the four supporting shafts is vertically and upwardly stretched and fixedly connected with the bottom of the graphite digestion box 2.
As a specific embodiment, as shown in fig. 6, the rotating shaft 6 is cylindrical, the diameter of the rotating shaft is larger than that of the output shaft 19 of the driving motor 5, the circumferential side surface of the rotating shaft 6 is in an external tooth structure, an internal tooth-shaped connecting shaft protruding downwards is arranged at the bottom of the annular rotating disc 8, and internal teeth of the connecting shaft are meshed with external teeth of the rotating shaft 6 to form a circular shaft penetrating sleeve which is fixedly connected with an inner ring of the slewing bearing 7. Under the drive of the motor output shaft 19, the rotating shaft 6, the inner ring of the slewing bearing 7 and the annular slewing disc 8 synchronously rotate, and the slewing bearing 7 can play a role in rotation transmission and connection and support, so that the whole rotation process is more stable and reliable. For stable connection, an external screw bolt 18 for connecting the rotating shaft 6 is penetrated downwards in the middle of the top surface of the annular rotating disc 8.
The driving mechanism and the bottom of the graphite body 13 may adopt various driving connection manners, so as to drive the bottom of the graphite body 13 to rotate clockwise or counterclockwise in a horizontal plane. For the small digestion instrument, the bottom center of the graphite digestion box 2 can be directly fixed at the top end of the rotating shaft 6, and in the embodiment, for better stability, a connecting annular adapter plate 8 and a supporting shaft 9 are adopted.
As shown in fig. 4, the graphite heating mechanism 4 is disposed at the bottom of the graphite digestion tank 2, specifically disposed between the protective heat insulation shell 15 and the graphite main body 13, and is used for heating the graphite main body 13 in the graphite digestion tank 2, and transferring heat to heat the plurality of digestion holes 3 through the graphite main body 13 to digest the test tube 14.
In this embodiment, the graphite heating mechanism 4 is a turbine ring-shaped graphite heating pipe or the like. In order to easily observe the temperature change of the graphite main body 13 in the graphite digestion case 2, at least one temperature sensor 12 is arranged between the graphite main body 13 and the protective heat insulation shell 15, specifically, 4 temperature sensors are uniformly arranged along the circumferential equiangular degree of the graphite digestion case 2, and the temperature sensors 12 are electrically connected with the control module and transmit temperature data to the control module.
In some embodiments, the control keypad 10 includes function keys for setting temperature (time), moving current value position, increasing or changing value, decreasing or changing value, controlling rotational operation and stop, decreasing rotational speed, increasing rotational speed, decreasing time, increasing time, power master switch, etc. The display screen 11 displays parameters such as real-time temperature value, set temperature value and timing value, display rotation value, display time value, etc. It should be noted that, the function keys and the display parameters can be set according to the actual requirements, and the limitation is not required.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (8)
1. A graphite digestion instrument, comprising:
a chassis;
the graphite digestion box is provided with a graphite main body and a protective heat insulation shell wrapping the side surfaces and the bottom surface of the graphite main body, wherein a plurality of digestion holes which are uniformly distributed, are open at the top end and are vertically arranged are formed in the top surface of the graphite main body, and a digestion test tube made of polytetrafluoroethylene is placed in each digestion hole;
the driving mechanism is arranged in the chassis and is in driving connection with the bottom of the graphite main body box so as to drive the graphite digestion box to rotate clockwise or anticlockwise;
the graphite heating mechanism is arranged at the bottom of the graphite digestion box and is used for heating the graphite main body and digestion test tubes in the plurality of digestion holes;
and the control module is arranged on the chassis and is respectively and electrically controlled and connected with the driving mechanism and the graphite heating mechanism.
2. The graphite digestion instrument according to claim 1, wherein the graphite digestion box and the graphite main body are both in a cylindrical structure, and the graphite main body is provided with a plurality of digestion holes arranged in concentric rings.
3. The graphite digestion instrument according to claim 1, wherein the drive mechanism includes a drive motor, a rotating shaft, a slewing bearing, an annular adapter plate, and four support shafts;
the output shaft of the driving motor is coaxially and fixedly connected with the rotating shaft, the rotating shaft is coaxially and fixedly connected with the inner ring of the slewing bearing in a penetrating manner, the rotating shaft is fixedly connected with the center of the bottom of the annular switching disc, the outer ring of the slewing bearing is fixedly arranged in the chassis, one ends of the four supporting shafts are uniformly and fixedly connected with the annular switching disc in an equal angle manner, and the other ends of the four supporting shafts are vertically and upwards stretched and fixedly connected with the bottom of the graphite digestion box.
4. The graphite digestion instrument according to claim 1, wherein the control module is configured with a control keypad and display screen disposed on a side of the chassis.
5. The graphite digestion instrument according to claim 1, wherein at least one temperature sensor is disposed between the graphite body and the protective heat insulating shell, and the temperature sensor is electrically connected with the control module.
6. The graphite digestion instrument according to claim 1, wherein the bottom of the chassis is provided with four height-adjustable support legs.
7. The graphite digestion instrument according to claim 3, wherein the outer ring of the slewing bearing is fixedly arranged on two arc-shaped supporting frames.
8. The graphite digestion instrument according to claim 1, wherein the graphite digestion case body 1/2 is placed in a cylindrical cavity on the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320478707.8U CN219369333U (en) | 2023-03-14 | 2023-03-14 | Graphite digestion instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320478707.8U CN219369333U (en) | 2023-03-14 | 2023-03-14 | Graphite digestion instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219369333U true CN219369333U (en) | 2023-07-18 |
Family
ID=87149053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320478707.8U Active CN219369333U (en) | 2023-03-14 | 2023-03-14 | Graphite digestion instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219369333U (en) |
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2023
- 2023-03-14 CN CN202320478707.8U patent/CN219369333U/en active Active
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