CN212674588U - Microwave digestion instrument for soil heavy metal detection - Google Patents
Microwave digestion instrument for soil heavy metal detection Download PDFInfo
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- CN212674588U CN212674588U CN202021371125.2U CN202021371125U CN212674588U CN 212674588 U CN212674588 U CN 212674588U CN 202021371125 U CN202021371125 U CN 202021371125U CN 212674588 U CN212674588 U CN 212674588U
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- soil heavy
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- metal detection
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- 239000002689 soil Substances 0.000 title claims abstract description 23
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims description 21
- 238000000120 microwave digestion Methods 0.000 title claims description 19
- 230000029087 digestion Effects 0.000 claims description 44
- 230000008093 supporting effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to an appearance is cleared up to microwave for soil heavy metal detects, its including inside instrument main part that is equipped with the cavity and with the door plant of one side rotation connection of instrument main part, still include with the base of the internal bottom surface sliding connection of instrument main part, establish the axis of rotation on the base perpendicularly, establish and be used for driving axis of rotation pivoted drive arrangement on the base, with the carousel of axis of rotation connection and establish the jar subassembly of clearing up on the carousel top surface. This application soil heavy metal detects preceding processing apparatus's field, has improved the defect that can additionally increase measurement personnel's intensity of labour when having the sample that awaits measuring to increase, and it has the advantage that can reduce measurement personnel intensity of labour.
Description
Technical Field
The application relates to the field of soil heavy metal detection pretreatment equipment, in particular to a microwave digestion instrument for soil heavy metal detection.
Background
At present, when heavy metals in soil are detected, sampling, sample preparation, digestion treatment, detection and other steps are sequentially carried out to obtain results. The digestion treatment is also called soil sample pretreatment technology, and has the functions of destroying organic matters, dissolving particulate matters, and oxidizing elements to be detected in various valence states into single high valence or converting the elements into inorganic compounds easy to decompose.
The microwave digestion method has the advantages of high temperature rise, quick heating, strong digestion capability, less acid consumption, low blank value, speed reduction of sample pollution and the like, so the microwave digestion instrument is widely applied to soil heavy metal detection. The microwave digestion instrument mainly comprises a host machine, a turntable arranged in the host machine, a bracket placed on the turntable and a digestion tank arranged on the bracket. The digestion tank used by the general microwave digestion instrument is 30ml, the number of the digestion tanks is 16, and when the samples to be detected are more, the bracket needs to be repeatedly taken and placed, so that the labor intensity of detection personnel is increased undoubtedly.
In view of the above-mentioned related art, the inventor believes that there is a defect that the labor intensity of the inspector is additionally increased when the number of samples to be tested is increased.
Disclosure of Invention
In order to reduce measurement personnel's intensity of labour, the utility model provides an appearance is cleared up to microwave for soil heavy metal detects.
The application provides a microwave digestion instrument for soil heavy metal detects adopts following technical scheme:
the utility model provides an appearance is cleared up to microwave for soil heavy metal detects, including inside instrument main part that is equipped with the cavity and with the door plant of one side rotation connection of instrument main part, still include with the bottom surface sliding connection's in the instrument main part base, establish the axis of rotation on the base perpendicularly, establish and be used for driving axis of rotation pivoted drive arrangement on the base, with the carousel of axis of rotation connection and establish the jar subassembly of clearing up on the carousel top surface.
Through adopting above-mentioned technical scheme, when the sample that awaits measuring increases, when the detection personnel need get put and clear up the jar, can use the base to pull out whole jar subassembly of clearing up in the cavity of instrument main part, directly change on the base clear up the jar can, need not to clear up the jar subassembly and take off whole, reduced detection personnel's intensity of labour.
Preferably, sliding grooves are symmetrically formed in the bottom surface in the instrument main body, and sliding strips matched with the sliding grooves are arranged on the base;
and the door plate is provided with a clamping strip for limiting the sliding strip.
Through adopting above-mentioned technical scheme, the draw runner on the base bottom surface can be followed the spout and reciprocated sliding, and the door plant is closed the back, and the card strip can be spacing to the draw runner, prevents that the appearance is cleared up to the microwave and the base takes place to slide in clearing up the processing procedure.
Preferably, a hand-pulling groove is formed in the side face of the base.
Through adopting above-mentioned technical scheme, the hand power groove is convenient for the measurement personnel and grips, enables the measurement personnel quick with base from instrument main part internal pull out or push back.
Preferably, a plurality of support rods are arranged on the top surface of the base, slide rails are arranged at the top ends of the support rods, and balls are arranged in the slide rails;
the ball is abutted against the bottom surface of the turntable.
Through adopting above-mentioned technical scheme, the bracing piece can provide the support for the slide rail, and the ball in slide rail and the slide rail can provide the support for the carousel, and can also reduce frictional force under the rolling effect of ball when providing the support, makes the slew velocity on chassis more even steady.
Preferably, the number of the support rods is three, and the three support rods form a triangular support structure.
Through adopting above-mentioned technical scheme, the stability of triangle-shaped structure is stronger, therefore three bracing piece can provide more firm support for the chassis.
Preferably, the driving device comprises a driving motor arranged on the top surface of the base, a first gear connected with a power output shaft of the driving motor, and a second gear sleeved on the rotating shaft and meshed with the first gear.
Through adopting above-mentioned technical scheme, driving motor can drive first gear revolve, further drives the second gear rotation with first gear engagement to the axis of rotation also takes place to rotate thereupon, finally drives the carousel and clears up a jar subassembly on the carousel and rotate together, makes each sample be heated more evenly.
Preferably, the first gear and the second gear are both bevel gears.
Through adopting above-mentioned technical scheme, bevel gear's setting for driving motor can be horizontal to be installed on the base, thereby can reduce when producing microwave digestion appearance, the distance between base and the carousel, and then save space.
Preferably, the digestion tank assembly comprises a digestion tank rack and a plurality of digestion tank bodies detachably connected with the digestion tank rack.
Through adopting above-mentioned technical scheme, a plurality of jar bodies of dispelling can be placed on same jar frame of dispelling for detect. When the digestion tank body is replaced, the digestion tank body is only required to be disassembled from the digestion tank frame. The whole digestion tank assembly is not required to be taken down.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when a detector needs to take and place the digestion tank, the whole digestion tank assembly can be pulled out from the cavity of the instrument main body by using the base, and the digestion tank can be directly replaced on the base without taking down the whole digestion tank assembly, so that the labor intensity of the detector is reduced;
2. the support rod can provide support for the slide rail, the slide rail and the ball in the slide rail can provide support for the turntable, and the friction force can be reduced under the rolling action of the ball while providing support, so that the rotating speed of the chassis is more uniform and stable;
3. the bevel gear is arranged, so that the driving motor can be horizontally arranged on the base, the distance between the base and the turntable can be reduced when the microwave digestion instrument is produced, and the space is saved.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural view of the instrument body and the door panel of fig. 1.
Fig. 3 is a schematic view of the structure of fig. 1 except for the instrument body and the door panel.
Description of reference numerals: 1. an instrument body; 11. a cavity; 12. A door panel; 121. clamping the strip; 13. a chute; 21. a base; 211. a slide bar; 212. A hand-pulled groove; 213. a support bar; 214. a slide rail; 215. a ball bearing; 31. a rotating shaft; 41. a drive device; 411. a drive motor; 412. a first gear; 413. a second gear; 51. a turntable; 61. a digestion tank assembly; 611. a digestion tank frame; 612. a digestion tank body.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1, a microwave digestion instrument for soil heavy metal detection is disclosed for the embodiment of the application, and comprises an instrument main body 1, a door panel 12, a base 21, a rotating shaft 31, a driving device 41, a turntable 51 and a digestion tank assembly 61.
Referring to fig. 1 and 2, the main body 1 of the apparatus has an operation panel and a power line, and mainly includes a microwave box body, in which a cavity 11 is formed for forming a closed space with a door 12 to prevent microwave leakage. Door plant 12 accessible hinge is rotated with one side of instrument main part 1 and is connected, still is equipped with card strip 121 on the door plant 12, and card strip 121 can be the rectangle strip, and when door plant 12 closed back, card strip 121 can prevent that base 21 from sliding. The bottom surface in the instrument main body 1 is also symmetrically provided with sliding grooves 13 for mounting a base 21, and the base 21 can reciprocate along the sliding grooves 13.
Referring to fig. 1 and 3, the base 21 may be a rectangular or circular plate, two sliding bars 211 are symmetrically disposed on the bottom surface of the base, and the sliding bars 211 may be integrally formed with the base 21 or connected together by welding. The slide bar 211 can be inserted into the slide groove 13 and reciprocally moves in the slide groove 13. In general, the cross-section of the slide 211 and the slide groove 13 may be T-shaped to make the movement of the base smoother. In addition, the base 21 is further provided with a hand-pulling groove 212, and the hand-pulling groove 212 can be formed in an upward inclined manner, so that the use habit of people is met, and the base 21 can be pulled out by the detection personnel through the hand-pulling groove 212 conveniently.
In addition, the base 21 is also vertically provided with three support rods 213, and a triangular support structure can be formed among the three support rods 213. The top end of the support rod 213 is provided with a slide rail 214, the slide rail 214 is a circular slide rail, and is further provided with a ball 215 therein, the ball 215 is abutted against the bottom surface of the turntable 51, and the friction between the ball 215 and the turntable 51 is rolling friction and point contact, so that the friction force is small, and the support can be provided for the turntable 51 under the support of the slide rail 214 and the support rod 213.
The rotating shaft 31 is vertically arranged on the base 21, and is sleeved on the rotating shaft 31 through a bearing arranged on the base 21, so that the rotating shaft 31 can rotate under the driving action of the driving device 41. The top end of the rotating shaft 31 can be screwed or clamped with the bottom surface of the rotating disc 51, and when the rotating shaft 31 rotates, the rotating disc 51 can be driven to rotate.
Referring to fig. 3, the driving device 41 is powered on to drive the rotation shaft 31 to rotate, and includes a driving motor 411, a first gear 412 and a second gear 413. The driving motor 411 is horizontally installed on the top surface of the base 21, and the connection mode of the driving motor 411 and the base 21 may be a bolt connection. The power output shaft of the driving motor 411 and the first gear 412 may be connected in a keyed connection manner, the second gear 413 is sleeved on the rotating shaft 31 and connected with the rotating shaft 31 in a keyed connection manner, the second gear 413 is meshed with the first gear 412, and both the first gear 412 and the second gear 413 are bevel gears. When the driving motor 411 is powered on, the power output shaft thereof rotates to drive the first gear 412 and the second gear 413 to rotate, the second gear 413 drives the rotating shaft 31 to rotate, and the rotating shaft 31 further drives the rotating disc 51 to rotate.
The turntable 51 can be made of high-boric acid glass, in the embodiment of the present application, the connection between the turntable 51 and the rotating shaft 31 is a clamping connection, that is, the clamping groove matched with the top of the rotating shaft 31 is formed at the bottom of the turntable 51, and in general, a clamping block is arranged on the rotating shaft 31 and is installed in the clamping groove. When the rotating shaft 31 rotates, the turntable 51 can rotate along with the rotating shaft.
The digestion tank assembly 61 is provided on the top surface of the turntable 51 to be rotatable in accordance with the rotation of the turntable 51. The digestion tank assembly 61 includes a digestion tank rack 611 and a digestion tank 612. The digestion tank frame 611 can be formed by connecting high-strength alloy pull rods into a whole, has a strong pressure supporting effect, and can reach the ultimate working temperature of 250 ℃ and the ultimate working pressure of 4MPa under general conditions. The digestion tank body 612 can be made of polytetrafluoroethylene, and the digestion tank body 612 can be mounted on the digestion tank frame 611 in a manner of pressing bolts and nuts or clamping.
The implementation principle of the microwave digestion instrument for soil heavy metal detection in the embodiment of the application is as follows:
taking a general detection process as an example, first, the door 12 is opened and the apparatus body 1 is powered on. Then, the tester needs to weigh 0.1g of soil to be tested into each digestion tank body 612, add 5ml of nitric acid, 3ml of hydrofluoric acid and 2ml of hydrochloric acid into the digestion tank body 612, and then install the digestion tank bodies 612 on the digestion tank frames 611 on the turntable 51 one by one. Then, the base 21 is pushed into the cavity 11 by using the hand-pulling groove 212, and the door panel 12 is closed, at this time, one end of the clamping strip 121 on the door panel 12 can extend into the sliding groove 13 and abut against the sliding strip 211, so that the base 21 is prevented from displacing. After the instrument is started, digestion treatment can be carried out.
When the detection sample needs to be replaced, the base 21 is pulled out after the door panel 12 is opened, then the digestion tank bodies 612 are taken down in sequence, another group of digestion tank bodies 612 are replaced, and then the digestion treatment engineering is repeated.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an appearance is cleared up to microwave for soil heavy metal detects, including inside instrument main part (1) that is equipped with cavity (11) and door plant (12) of being connected with one side rotation of instrument main part (1), its characterized in that: the digestion tank assembly comprises a base (21) which is connected with the bottom surface in the instrument main body (1) in a sliding manner, a rotating shaft (31) which is vertically arranged on the base (21), a driving device (41) which is arranged on the base (21) and used for driving the rotating shaft (31) to rotate, a rotating disc (51) which is connected with the rotating shaft (31), and a digestion tank assembly (61) which is arranged on the top surface of the rotating disc (51).
2. The microwave digestion instrument for soil heavy metal detection according to claim 1, characterized in that: sliding grooves (13) are symmetrically formed in the bottom surface in the instrument main body (1), and sliding strips (211) matched with the sliding grooves (13) are arranged on the base (21);
the door panel (12) is provided with a clamping strip (121) used for limiting the sliding strip (211).
3. The microwave digestion instrument for soil heavy metal detection according to claim 1 or 2, characterized in that: and a hand-pulling groove (212) is formed in the side surface of the base (21).
4. The microwave digestion instrument for soil heavy metal detection according to claim 1, characterized in that: a plurality of supporting rods (213) are arranged on the top surface of the base (21), slide rails (214) are arranged at the top ends of the supporting rods (213), and balls (215) are arranged in the slide rails (214);
the balls (215) are in contact with the bottom surface of the turntable (51).
5. The microwave digestion instrument for soil heavy metal detection according to claim 4, characterized in that: the number of the support rods (213) is three, and the three support rods (213) form a triangular support structure.
6. The microwave digestion instrument for soil heavy metal detection according to claim 1, characterized in that: the driving device (41) comprises a driving motor (411) arranged on the top surface of the base (21), a first gear (412) connected with a power output shaft of the driving motor (411), and a second gear (413) sleeved on the rotating shaft (31) and meshed with the first gear (412).
7. The microwave digestion instrument for soil heavy metal detection according to claim 6, characterized in that: the first gear (412) and the second gear (413) are both bevel gears.
8. The microwave digestion instrument for soil heavy metal detection according to claim 1, characterized in that: the digestion tank assembly (61) comprises a digestion tank holder (611) and a plurality of digestion tank bodies (612) detachably connected to the digestion tank holder (611).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021371125.2U CN212674588U (en) | 2020-07-14 | 2020-07-14 | Microwave digestion instrument for soil heavy metal detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021371125.2U CN212674588U (en) | 2020-07-14 | 2020-07-14 | Microwave digestion instrument for soil heavy metal detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212674588U true CN212674588U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021371125.2U Active CN212674588U (en) | 2020-07-14 | 2020-07-14 | Microwave digestion instrument for soil heavy metal detection |
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| Country | Link |
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| CN (1) | CN212674588U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486475A (en) * | 2021-12-27 | 2022-05-13 | 刘俐君 | Environment-friendly microwave digestion device for detecting heavy metals in agricultural products |
| CN116358979A (en) * | 2023-04-12 | 2023-06-30 | 安徽宏益光伏新材料有限公司 | Device and method for detecting trace elements in quartz sand by utilizing microwave digestion |
-
2020
- 2020-07-14 CN CN202021371125.2U patent/CN212674588U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486475A (en) * | 2021-12-27 | 2022-05-13 | 刘俐君 | Environment-friendly microwave digestion device for detecting heavy metals in agricultural products |
| CN116358979A (en) * | 2023-04-12 | 2023-06-30 | 安徽宏益光伏新材料有限公司 | Device and method for detecting trace elements in quartz sand by utilizing microwave digestion |
| CN116358979B (en) * | 2023-04-12 | 2024-05-17 | 安徽宏益光伏新材料有限公司 | Device and method for detecting trace elements in quartz sand by utilizing microwave digestion |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 050000 2nd floor, West fifth floor, No. 598 Heping West Road, Xinhua District, Shijiazhuang City, Hebei Province Patentee after: Lexin Testing Technology Co.,Ltd. Address before: 050000 2nd floor, West fifth floor, No. 598 Heping West Road, Xinhua District, Shijiazhuang City, Hebei Province Patentee before: Hebei Lexin Testing Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240327 Address after: 421100 Wenchong Group, Huaqiao Village, Chejiang Town, Hengnan County, Hengyang City, Hunan Province Patentee after: Yang Zhenhua Country or region after: China Address before: 050000 2nd floor, West 5th floor, 598 Heping West Road, Xinhua District, Shijiazhuang City, Hebei Province Patentee before: Lexin Testing Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |