CN112730020A - Soil heavy metal digestion device - Google Patents
Soil heavy metal digestion device Download PDFInfo
- Publication number
- CN112730020A CN112730020A CN202011523797.5A CN202011523797A CN112730020A CN 112730020 A CN112730020 A CN 112730020A CN 202011523797 A CN202011523797 A CN 202011523797A CN 112730020 A CN112730020 A CN 112730020A
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- Prior art keywords
- heavy metal
- digestion
- soil heavy
- crucible
- digestion device
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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
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4044—Concentrating samples by chemical techniques; Digestion; Chemical decomposition
Abstract
The invention relates to the technical field of soil heavy metal detection, and discloses a soil heavy metal digestion device which comprises a base, a digestion box, a control module, a digestion liquid box, a stirring mechanism, a driving mechanism and a lifting mechanism, wherein the digestion box and the lifting mechanism are respectively arranged at two ends of the base, a heating plate is arranged inside the digestion box, a crucible is arranged on the heating plate, the digestion liquid box is connected with the crucible through a pipeline, a valve is arranged on the pipeline, the stirring mechanism is arranged above the crucible and connected with one end of the driving mechanism, the other end of the driving mechanism is connected with the lifting mechanism, and the control module is respectively electrically connected with the driving mechanism, the lifting mechanism and the valve. According to the invention, the driving mechanism is respectively connected with the lifting mechanism and the stirring mechanism, so that the digestion efficiency is improved, manual operation is not required after the sample is added, and the safety is improved. Meanwhile, the observation of personnel is facilitated.
Description
Technical Field
The invention relates to the technical field of soil heavy metal detection, in particular to a soil heavy metal digestion device.
Background
With the development of industry, the condition that the heavy metal pollutes the soil often happens, but because the heavy metal can not be automatically decomposed and finally accumulates in the soil, the heavy metal is finally converted into toxic substances and harms the health of human bodies, the analysis of the content of the heavy metal in the soil has important practical significance.
Soil heavy metal detection needs to be firstly cleared up, and then is analyzed through an analyzer after being cleared up. At present, relatively mature digestion methods are available, and electric heating plate digestion is the most widely used method. However, digestion solutions such as strong acid and the like need to be added manually in the digestion process of the electric heating plate, so that the electric heating plate has strong corrosivity and is dangerous to add manually. In addition, the digestion condition needs to be observed for many times in the digestion process, and the existing digestion device is inconvenient to observe and low in digestion efficiency.
Disclosure of Invention
In order to solve the technical problems, the invention provides the soil heavy metal digestion device, which improves the safety, facilitates the observation of personnel and improves the digestion efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a soil heavy metal digestion device, includes the base, clears up case, control module, clears up liquid case, rabbling mechanism, actuating mechanism and elevating system, clear up the case and reach elevating system sets up respectively the both ends of base, the inside of clearing up the case is equipped with the hot plate, be equipped with the crucible on the hot plate, it passes through the pipe connection to clear up the liquid case the crucible, just be equipped with the valve on the pipeline, the rabbling mechanism sets up the top of crucible, and connect actuating mechanism's one end, actuating mechanism's the other end is connected elevating system, control module respectively with actuating mechanism elevating system reaches the valve electricity is connected.
Preferably, the stirring mechanism comprises a stirring shaft, the upper end of the stirring shaft is connected with the driving mechanism, and the lower end of the stirring shaft is provided with a plurality of stirring blades in a staggered manner.
Preferably, actuating mechanism includes mounting bracket, motor, rotationally locates the inside action wheel of mounting bracket and follower, the action wheel is connected the output shaft of motor, the follower is connected the (mixing) shaft, the action wheel with belt connection between the follower.
Preferably, the inner walls of the two ends of the mounting rack are respectively provided with a first bearing and a second bearing, the stirring shaft is inserted in the first bearing, and the output shaft of the motor is inserted in the second bearing.
Preferably, the lifting mechanism comprises a lifting seat fixedly arranged on the base, a hydraulic cylinder is arranged in the lifting seat, and a piston rod of the hydraulic cylinder is connected with the driving mechanism.
Preferably, the middle part of the lifting seat is provided with an installation groove extending to the upper end of the lifting seat, a fixed frame is arranged in the installation groove, and a cylinder barrel of the hydraulic cylinder is fixed on the fixed frame.
Preferably, a plurality of guide grooves are annularly and uniformly distributed in the center of the mounting groove on the lifting seat, a plurality of guide rods are arranged at the bottom of the mounting frame corresponding to the guide grooves, and the guide rods are slidably connected in the guide grooves.
Preferably, the side of the digestion tank far away from the lifting mechanism is lower than the side of the digestion tank close to the lifting mechanism.
Preferably, the height of one side of the digestion box far away from the lifting mechanism is H, the height of one side of the digestion box close to the lifting mechanism is H,
preferably, a crucible cover is arranged on the stirring mechanism corresponding to the crucible, and an exhaust hole is formed in the crucible cover.
Compared with the prior art, the soil heavy metal digestion device provided by the embodiment of the invention has the beneficial effects that: connect elevating system and rabbling mechanism respectively through setting up actuating mechanism, only need add the sample to the crucible when clearing up, then elevating system drives elevating system and rabbling mechanism and descends, control module control valve opens and adds the solution of dissolving to the sample after the rabbling mechanism descends to the confirmation location, and control actuating mechanism drives actuating mechanism simultaneously and rotates stirring sample, and it has not only improved and has cleared up efficiency, does not need manual operation promptly after adding the sample moreover, has improved the security. Simultaneously, need can rise through elevating system drive rabbling mechanism when clearing up the in-process and observing, make things convenient for personnel to observe. The invention has simple structure, good use effect and easy popularization and use.
Drawings
FIG. 1 is a schematic structural diagram of the soil heavy metal digestion device provided by the invention.
FIG. 2 is a schematic structural diagram of a digestion box of the soil heavy metal digestion device.
Wherein: 1-base, 2-digestion tank, 21-heating plate, 22-crucible, 23-crucible cover, 3-lifting mechanism, 31-fixing frame, 32-guide groove, 33-lifting seat, 34-hydraulic cylinder, 4-driving mechanism, 41-motor, 42-driving wheel, 43-driven wheel, 44-belt, 45-first bearing, 46-second bearing, 47-mounting frame, 48-guide rod, 5-stirring mechanism, 51-stirring shaft, 52-stirring blade, 6-digestion liquid tank, 7-valve and 8-pipeline.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in figure 1, the soil heavy metal digestion device of the preferred embodiment of the invention comprises a base 1, a digestion tank 2, a control module, a digestion liquid tank 6, a stirring mechanism 5, a driving mechanism 4 and a lifting mechanism 3, the digestion box 2 and the lifting mechanism 3 are respectively arranged at two ends of the base 1, a heating plate 21 is arranged inside the digestion box 2, a crucible 22 is arranged on the heating plate 21, the digestion liquid box 6 is connected with the crucible 22 through a pipeline 8, a valve 7 is arranged on the pipeline 8, the valve 7 is preferably an electromagnetic valve, the stirring mechanism 5 is arranged above the crucible 22, is connected with one end of the driving mechanism 4, the other end of the driving mechanism 4 is connected with the lifting mechanism 3, the control module is electrically connected with the driving mechanism 4, the lifting mechanism 3 and the valve 7 respectively.
Soil heavy metal digestion device based on above-mentioned technical characteristic, connect elevating system 3 and rabbling mechanism 5 respectively through setting up actuating mechanism 4, only need add the sample to crucible 22 during clearing up, then elevating system 3 drives actuating mechanism 4 and rabbling mechanism 5 and descends, control module control valve opens and adds the solution that disappears to the sample after rabbling mechanism 5 descends to the determination position, control actuating mechanism drives rabbling mechanism 5 simultaneously and rotates the stirring sample, it has not only improved and has cleared up efficiency, do not need manual operation promptly after adding the sample moreover, the security has been improved. Simultaneously, need can rise through 3 drive rabbling mechanisms 5 of elevating system when clearing up the in-process and observing, make things convenient for personnel to observe. The invention has simple structure, good use effect and easy popularization and use.
In this embodiment, the stirring mechanism 5 includes a stirring shaft 51, the upper end of the stirring shaft 51 is connected to the driving mechanism 4, and the lower end of the stirring shaft 51 is provided with a plurality of stirring blades 52 in a staggered manner. Actuating mechanism 4 includes mounting bracket 47, motor 41, rotationally locates the inside drive wheel 42 of mounting bracket 47 and follower 43, drive wheel 42 connects the output shaft of motor 41, follower 43 connects (mixing) shaft 51, drive wheel 42 with belt 44 is connected between the follower 43. The during operation motor 41 starts, drives the action wheel 42 rotates, the action wheel 42 passes through the belt 44 drives follower 43 rotates, follower 43 drives (mixing) shaft 51 rotates, (mixing) shaft 51 reaches stirring leaf 52 realizes the stirring to the sample, and it clears up with higher speed.
In addition, for the convenience the rotation of (mixing) shaft 51, the inner wall at the both ends of mounting bracket 47 is equipped with first bearing 45 and second bearing 46 respectively, the (mixing) shaft 51 is pegged graft in the first bearing 45, first bearing 45 is two, driven wheel 43 cup joints on the (mixing) shaft 51, and is located two between the first bearing 45. The output shaft of the motor 41 is inserted into the second bearings 46, the number of the second bearings 46 is two, and the driving wheel 42 is sleeved on the output shaft of the motor 41 and is located between the two second bearings 46. Therefore, the stirring shaft 51 and the output shaft of the motor 41 rotate around the bearing, so that the rotation is smooth, and the service life of the stirring shaft is prolonged.
In this embodiment, the lifting mechanism 3 includes a lifting seat 33 fixedly arranged on the base 1, a hydraulic cylinder 34 is arranged inside the lifting seat 33, a piston rod of the hydraulic cylinder 34 is connected with the driving mechanism 4, and only the hydraulic cylinder 34 needs to be started when the driving mechanism 4 is required to be lifted. The middle part of the lifting seat 33 is provided with a mounting groove extending to the upper end of the lifting seat, a fixing frame 31 is arranged in the mounting groove, and a cylinder barrel of the hydraulic cylinder 34 is fixed on the fixing frame 31. Specifically, the bottom of the cylinder is disposed on the bottom surface of the mounting groove, and the middle of the cylinder is fixed to the fixing frame 31, so as to ensure the stability of the hydraulic cylinder 34. Simultaneously, for further guarantee hydraulic cylinder 34 drives mounting bracket 47's lift stability, follow on the lift seat 33 the annular equipartition in center of mounting groove has a plurality of guide slots 32, mounting bracket 47's bottom corresponds guide slot 32 is equipped with a plurality of guide arms 48, guide arm 48 sliding connection in the guide slot 32.
In this embodiment, the sample is taken and placed from the side of the digestion box far away from the lifting mechanism 3, and in order to conveniently add the sample into the crucible 22, the side of the digestion box 2 far away from the lifting mechanism 3 is lower than the digestion boxAnd the box 2 is separated from one side of the lifting mechanism 3. Specifically, the height of one side of the digestion box 2 far away from the lifting mechanism 3 is H, the height of one side of the digestion box 2 close to the lifting mechanism 3 is H,
preference is given to
In this embodiment, the stirring mechanism 5 is provided with a crucible cover 23 corresponding to the crucible 22, and the crucible cover 23 is provided with an exhaust hole. Specifically, the crucible cover 23 is arranged on the stirring shaft 51, and moves up and down along with the stirring shaft 51, and the crucible cover 23 covers the crucible 22 during digestion, so that the digestion of the sample is accelerated. Meanwhile, some steam is generated during the digestion process, and the steam can be discharged through the vent holes, so that the normal pressure value inside the crucible 22 is ensured.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a soil heavy metal digestion device which characterized in that: including the base, clear up case, control module, clear up liquid case, rabbling mechanism, actuating mechanism and elevating system, clear up the case and reach elevating system sets up respectively the both ends of base, the inside of clearing up the case is equipped with the hot plate, be equipped with the crucible on the hot plate, clear up the liquid case and pass through the pipe connection the crucible, just be equipped with the valve on the pipeline, the rabbling mechanism sets up the top of crucible is connected actuating mechanism's one end, actuating mechanism's the other end is connected elevating system, control module respectively with actuating mechanism elevating system reaches the valve electricity is connected.
2. The soil heavy metal digestion device according to claim 1, wherein: the stirring mechanism comprises a stirring shaft, the upper end of the stirring shaft is connected with the driving mechanism, and the lower end of the stirring shaft is provided with a plurality of stirring blades in a staggered manner.
3. The soil heavy metal digestion device according to claim 2, wherein: the driving mechanism comprises a mounting frame, a motor, and a driving wheel and a driven wheel which are rotatably arranged inside the mounting frame, wherein the driving wheel is connected with an output shaft of the motor, the driven wheel is connected with the stirring shaft, and the driving wheel is connected with a belt between the driven wheels.
4. The soil heavy metal digestion device according to claim 3, wherein: the inner walls of the two ends of the mounting rack are respectively provided with a first bearing and a second bearing, the stirring shaft is inserted in the first bearing, and the output shaft of the motor is inserted in the second bearing.
5. The soil heavy metal digestion device according to claim 1, wherein: the lifting mechanism comprises a lifting seat fixedly arranged on the base, a hydraulic cylinder is arranged in the lifting seat, and a piston rod of the hydraulic cylinder is connected with the driving mechanism.
6. The soil heavy metal digestion device according to claim 5, wherein: the middle part of the lifting seat is provided with a mounting groove extending to the upper end of the lifting seat, a fixing frame is arranged in the mounting groove, and a cylinder barrel of the hydraulic cylinder is fixed on the fixing frame.
7. The soil heavy metal digestion device according to claim 6, wherein: the lifting seat is provided with a plurality of guide grooves which are uniformly distributed in the center of the mounting groove in an annular mode, the bottom of the mounting frame corresponds to the guide grooves and is provided with a plurality of guide rods, and the guide rods are connected in the guide grooves in a sliding mode.
8. The soil heavy metal digestion device according to claim 1, wherein: one side of the digestion box far away from the lifting mechanism is lower than one side of the digestion box close to the lifting mechanism.
9. The soil heavy metal digestion device according to claim 8, wherein: the height of one side of the digestion box far away from the lifting mechanism is H, the height of one side of the digestion box close to the lifting mechanism is H,
10. the soil heavy metal digestion apparatus according to any one of claims 1 to 9, wherein: the stirring mechanism is provided with a crucible cover corresponding to the crucible, and the crucible cover is provided with an exhaust hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011523797.5A CN112730020A (en) | 2020-12-21 | 2020-12-21 | Soil heavy metal digestion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011523797.5A CN112730020A (en) | 2020-12-21 | 2020-12-21 | Soil heavy metal digestion device |
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| Publication Number | Publication Date |
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| CN112730020A true CN112730020A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011523797.5A Pending CN112730020A (en) | 2020-12-21 | 2020-12-21 | Soil heavy metal digestion device |
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| CN (1) | CN112730020A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168936A (en) * | 2023-11-03 | 2023-12-05 | 榆林市榆阳区市场抽检快检服务中心 | Food detection sample stirring digestion device |
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Cited By (2)
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| CN117168936A (en) * | 2023-11-03 | 2023-12-05 | 榆林市榆阳区市场抽检快检服务中心 | Food detection sample stirring digestion device |
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Application publication date: 20210430 |