CN211784719U - Heavy metal exceeds standard quick detection device in wild domestic fungus - Google Patents
Heavy metal exceeds standard quick detection device in wild domestic fungus Download PDFInfo
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- CN211784719U CN211784719U CN202020330843.9U CN202020330843U CN211784719U CN 211784719 U CN211784719 U CN 211784719U CN 202020330843 U CN202020330843 U CN 202020330843U CN 211784719 U CN211784719 U CN 211784719U
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Abstract
The utility model relates to an edible mushroom inspection equipment technical field, concretely relates to heavy metal short-term test device that exceeds standard among wild edible mushroom, its characterized in that: the on-line screen storage device comprises a base, base upper end fixed mounting has the reaction cylinder, the case is cleared up to the microwave, the control unit and detector, the reaction cylinder includes urceolus and inner tube, be equipped with on the base and be used for driving the first electric putter that the inner tube reciprocated, the inner tube upper end is equipped with the crushing rabbling mechanism that extends to the inner chamber bottom, inner tube bottom fixed mounting has the filter, microwave is cleared up incasement one side and is equipped with microwave generator, microwave is cleared up the case lower extreme and is equipped with second electric putter, second electric putter's push rod tip fixedly connected with backup pad, it clears up the jar to be equipped with polytetrafluoroethylene in the backup pad, microwave is cleared up incasement top surface and is. The utility model has the advantages of simple and practical overall structure, can carry out quick sample pretreatment to the domestic fungus sample to reach the short-term test purpose.
Description
Technical Field
The utility model relates to an edible mushroom inspection equipment technical field, specificly relate to a heavy metal short-term test device that exceeds standard in wild domestic fungus.
Background
Heavy metals are a main pollutant in the environment, cannot be decomposed by microorganisms, and can be enriched in organisms to form compounds with stronger toxicity. Heavy metals are subjected to geological and biological dual cycle migration and transformation in the environment and finally enter a human body through the channels such as atmosphere, drinking water, food and the like, so that serious hazards such as carcinogenesis, teratogenesis and mutation are caused to the human health, therefore, the detection of the heavy metals, especially the rapid detection of the heavy metal residues in edible fungi, becomes the focus of public attention, before the detection of the heavy metal content in the edible fungi sample, the edible fungi sample is usually required to be subjected to appropriate sample pretreatment, and common pretreatment methods such as dry digestion and wet digestion are long in time consumption, so that the sample pretreatment becomes one of the rate-limiting factors for the edible fungi to detect the heavy metals.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an overall structure is simple, practical, can carry out quick sample pretreatment to the domestic fungus sample to heavy metal short-term test device that exceeds standard in a wild domestic fungus that reaches the short-term test purpose.
In order to solve the technical problem, the utility model discloses a technical scheme as follows: a rapid detection device for heavy metal exceeding in wild edible fungi comprises a base, wherein a reaction cylinder is fixedly mounted at the upper end of the base, a microwave digestion box, a control unit and a detector, the reaction cylinder comprises an outer cylinder and an inner cylinder, a cavity penetrating through the upper end face is formed in the outer cylinder, the outer diameter of the inner cylinder is consistent with the inner diameter of the outer cylinder, the inner cylinder is sleeved in the outer cylinder in a manner of moving up and down, a guide block is fixedly arranged at the upper part of the inner surface of the outer cylinder, a guide groove penetrating through the bottom is formed in the outer surface of the inner cylinder, the guide block is matched with the guide groove, is embedded in the guide groove and is in sliding fit with the guide groove, a plurality of first electric push rods for driving the inner cylinder to move up and down are fixedly mounted on the base, an inner cavity which is open downwards is formed in the inner cylinder, a crushing and stirring mechanism extending, the microwave digestion box is characterized in that a supporting leg is fixedly arranged at the lower end of the microwave digestion box, a microwave generator is fixedly arranged on one side in the microwave digestion box, a plurality of second electric push rods are fixedly arranged at the lower end of the microwave digestion box, push rods of the second electric push rods penetrate through the lower end of the microwave digestion box and extend upwards, a supporting plate is fixedly connected to the end portions of the push rods of the plurality of second electric push rods, a polytetrafluoroethylene digestion tank is detachably arranged at the upper end of the supporting plate, a pressurizing cover matched with the polytetrafluoroethylene digestion tank is fixedly arranged on the top surface in the microwave digestion box, the polytetrafluoroethylene digestion tank is positioned under the pressurizing cover, a liquid inlet hole is formed in the pressurizing cover, a through hole communicated with the liquid inlet hole is formed in the upper end of the microwave digestion box, the bottom of the outer barrel is communicated with the liquid inlet hole in the pressurizing cover through a connecting, The microwave generator, the suction pump and the high-pressure electromagnetic valve are electrically connected, and the front side of the microwave digestion box is also provided with an openable box door.
Further, smash rabbling mechanism includes driving motor, and driving motor fixed mounting is in the inner tube upper end, and the transmission is connected with the pivot that extends to the inner chamber bottom on driving motor's the output shaft, and the pivot bottom is fixed along its circumferencial direction and is equipped with a plurality of crushing blades and a plurality of stirring vane, and stirring vane locates the top of smashing the blade, driving motor and the control unit electric connection.
Furthermore, the number of the crushing blades and the stirring blades is 2-3 and the crushing blades and the stirring blades are uniformly arranged.
Further, polyester fiber antioxidant film coatings are arranged inside the outer barrel, the inner barrel and the polytetrafluoroethylene digestion tank.
Further, urceolus bottom one side is equipped with the waste liquid export, the last fixedly connected with waste liquid pipe of waste liquid export, installs first control valve on the waste liquid pipe.
Furthermore, an annular sealing ring is fixedly arranged on the outer surface of the pressurizing cover.
Further, the detector is an inductively coupled plasma mass spectrometer.
Furthermore, the number of the first electric push rods is two and the first electric push rods are symmetrically arranged on two sides of the outer barrel respectively, and the number of the second electric push rods is two and the second electric push rods are arranged at intervals along the length direction of the supporting plate.
Furthermore, the upper end of the inner cylinder is provided with an openable cover plate at the feeding port, the upper end of the inner cylinder is fixedly connected with a liquid feeding hopper at the liquid feeding port, the upper part of the liquid feeding hopper is in a horn shape with a wide upper part and a narrow lower part, and the lower part of the liquid feeding hopper is provided with a second control valve.
Furthermore, the upper end of the supporting plate is fixedly provided with a limiting block, and a limiting groove matched with the bottom shape of the polytetrafluoroethylene digestion tank is formed in the limiting block.
According to the above description, the utility model provides a heavy metal rapid detection device that exceeds standard in wild domestic fungus overall structure is simple, practical reliable, through the setting of crushing blade, is convenient for carry out the rapid pulverization with the domestic fungus sample of joining in the reaction cylinder, after smashing, can add the digestion liquid in the reaction cylinder, through the setting of stirring vane, can conveniently carry out the rapid mixing to the domestic fungus powder in the reaction cylinder with the digestion liquid to make the organic matter in the domestic fungus fully react with the digestion liquid, separate out inorganic ion simultaneously; through high-pressure digestion and microwave rapid heating matching, the digestion speed of the edible fungus sample can be effectively accelerated, organic matters in the liquid to be detected are further evaporated, and inorganic ions are fully and rapidly separated, so that heavy metal elements in the edible fungus sample are rapidly extracted.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the device for rapidly detecting the standard exceeding of heavy metals in wild edible fungi.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a schematic cross-sectional view taken along the direction B-B in fig. 3.
Fig. 5 is a partially enlarged schematic view of C in fig. 4.
Fig. 6 is a partially enlarged schematic view of fig. 4 at D.
FIG. 7 is a schematic view showing a state in which the reaction cylinder is crushed.
In the figure: 1-a base; 2-a reaction cylinder; 21-outer cylinder; 211-a cavity; 212-a waste liquid outlet; 213-a guide block; 22-inner cylinder; 221-lumen; 222-a feed port; 223-a liquid adding port; 224-a cover plate; 225-liquid adding bucket; 226-a second control valve; 227-guide groove; 23-a first electric push rod; 24-a filter plate; 3-microwave digestion box; 31-supporting legs; 32-a microwave generator; 33-a second electric push rod; 34-a support plate; 341-a limiting block; 35-a polytetrafluoroethylene digestion tank; 36-a pressure-applying cover; 361-liquid inlet hole; 362-ring seal; 37-a door; 4-a control unit; 5-detecting the instrument; 6-connecting pipe; 61-suction pump; 62-high pressure solenoid valve; 7-a crushing and stirring mechanism; 71-a drive motor; 72-a rotating shaft; 73-crushing blades; 74-stirring blade; 8-a waste liquor pipe; 81-first control valve.
Detailed Description
The present invention will be further described with reference to the following detailed description.
As shown in fig. 1 to 7, the device for rapidly detecting the excess of heavy metals in wild edible fungi of the present invention comprises a base 1, wherein a reaction barrel 2, a microwave digestion box 3, a control unit 4 and a detector 5 are fixedly mounted on the upper end of the base 1, the reaction barrel 2 comprises an outer barrel 21 and an inner barrel 22, a cavity 211 penetrating through the upper end surface is formed in the outer barrel 21, the outer diameter of the inner barrel 22 is consistent with the inner diameter of the outer barrel 21, the inner barrel 22 can be sleeved in the outer barrel 21 in a vertically movable manner, a guide block 213 is fixedly arranged on the upper portion of the inner surface of the outer barrel 21, a guide slot 227 penetrating through the bottom is formed on the outer surface of the inner barrel 22, the guide block 213 is adapted to the guide slot 227, the guide block 213 is embedded in the guide slot 227 and is in sliding fit with the guide slot 227, a plurality of first electric push rods 23 for driving the inner barrel 22 to move vertically are fixedly mounted on, an inner cavity 221 which is open downwards is formed in the inner barrel 22, a crushing and stirring mechanism 7 which extends to the bottom of the inner cavity 221 is fixedly installed at the upper end of the inner barrel 22, a filter plate 24 is fixedly installed at the bottom of the inner barrel 22, a feed inlet 222 and a feed inlet 223 are further arranged at the upper end of the inner barrel 22, supporting legs 31 are fixedly arranged at the lower end of the microwave digestion box 3, a microwave generator 32 is fixedly installed at one side in the microwave digestion box 3, a plurality of second electric push rods 33 are fixedly installed at the lower end of the microwave digestion box 3, push rods of the second electric push rods 33 penetrate through the lower end of the microwave digestion box 3 and extend upwards, a supporting plate 34 is fixedly connected to the end parts of the push rods of the second electric push rods 33, a polytetrafluoroethylene digestion tank 35 is detachably arranged at the upper end of the supporting plate 34, and a pressurizing cover 36 which is matched with the polytetrafluoroethylene, polytetrafluoroethylene digests jar 35 and is located under pressure-applying cover 36, the feed liquor hole 361 has been seted up on pressure-applying cover 36, microwave digests 3 upper ends seted up with the through-hole that feed liquor hole 361 is linked together, urceolus 21 bottom through connecting pipe 6 with pressure-applying cover 36 is last feed liquor hole 361 is linked together, install suction pump 61 and high-pressure solenoid valve 62 on the connecting pipe 6 in proper order, the control unit 4 respectively with first electric putter 23 second electric putter 33 microwave generator 32 suction pump 61 with high-pressure solenoid valve 62 electric connection, microwave digests 3 front sides and still is equipped with the chamber door 37 that can open.
The edible fungus sample added into the reaction cylinder 2 is conveniently and rapidly crushed by the crushing and stirring mechanism 7, and after crushing, the digestion solution can be added into the reaction cylinder 2, and the edible fungus powder and the digestion solution in the reaction cylinder 2 can be rapidly stirred, so that organic matters in the edible fungus and the digestion solution are fully reacted, and inorganic ions are separated; the first electric push rod 23 is arranged to conveniently drive the inner cylinder 22 to move up and down, when the liquid to be detected is fully stirred, the inner cylinder 22 can be driven to move up, and the liquid to be detected can flow down, so that the filter plate 24 can conveniently filter the liquid to be detected, and impurities can be filtered; the high-pressure digestion is matched with the microwave rapid heating, so that the digestion speed of the edible fungus sample can be effectively accelerated, organic matters in the liquid to be detected are further evaporated, inorganic ions are sufficiently and rapidly separated, and heavy metal elements in the edible fungus sample are rapidly extracted; in addition, the control unit 4 can select an industrial control computer, and in addition, through the arrangement of the guide block 213 and the guide groove 227, the guide effect on the up-and-down movement of the inner cylinder 22 can be achieved, and meanwhile, the limit effect on the rotation of the inner cylinder 22 is achieved, so that the crushing and stirring mechanism 7 can be ensured to crush and stir smoothly.
As shown in fig. 5 and 7, the pulverizing and stirring mechanism 7 includes a driving motor 71, the driving motor 71 is fixedly installed at the upper end of the inner cylinder 22, a rotating shaft 72 extending to the bottom of the inner cavity 221 is connected to an output shaft of the driving motor 71 in a transmission manner, a plurality of pulverizing blades 73 and a plurality of stirring blades 74 are fixedly arranged at the bottom of the rotating shaft 72 along the circumferential direction, the stirring blades 74 are arranged above the pulverizing blades 73, the driving motor 71 is electrically connected to the control unit 4, the edible fungus sample added into the reaction cylinder 2 is conveniently and rapidly pulverized by the arrangement of the pulverizing blades 73, after being pulverized, the digestion solution can be added into the reaction cylinder 2, the edible fungus powder and the digestion solution in the reaction cylinder 2 can be conveniently and rapidly stirred by the arrangement of the stirring blades 74, so that the organic matter in the edible fungus and the digestion solution fully react, and simultaneously separating inorganic ions, wherein the number of the crushing blades 73 and the stirring blades 74 is preferably 2-3 and are uniformly arranged.
Polyester fiber anti-oxidation film coatings are arranged in the outer barrel 21, the inner barrel 22 and the polytetrafluoroethylene digestion tank 35, so that digestion liquid can be effectively prevented from oxidizing the outer barrel 21, the inner barrel 22 and the polytetrafluoroethylene digestion tank 35.
As shown in fig. 2, 5 and 7, a waste liquid outlet 212 is formed at one side of the bottom of the outer cylinder 21, a waste liquid pipe 8 is fixedly connected to the waste liquid outlet 212, and a first control valve 81 is installed on the waste liquid pipe 8, so that the liquid to be detected remaining in the reaction cylinder 2 can be conveniently discharged.
As shown in fig. 6, the annular sealing ring 362 is fixedly arranged on the outer surface of the pressurizing cover 36, so that the pressurizing cover 36 and the polytetrafluoroethylene digestion tank 35 can be more tightly embedded, the sealing effect can be improved, the pressure in the polytetrafluoroethylene digestion tank 35 can be ensured, and in addition, reinforcing ribs are fixedly arranged at the region of the pressurizing cover 36 at the upper end of the microwave digestion tank 3, so that the stability of the whole structure is further improved.
The detector 5 is an inductively coupled plasma mass spectrometer, and can quickly calculate the content of each heavy metal in the liquid to be detected.
As shown in fig. 2 and 4, the first electric push rods 23 are two and symmetrically disposed on two sides of the outer cylinder 21, so as to more stably support the outer cylinder 21 and smoothly drive the inner cylinder 22 to move up and down, in this embodiment, the end portions of the first electric push rods 23 are fixedly connected to support blocks, the support blocks are fixedly disposed on the upper portion of the outer surface of the inner cylinder 22, so as to conveniently drive the inner cylinder 22 to move up and down, and the second electric push rods 33 are two and spaced along the length direction of the support plate 34, so as to better support the support plate 34 and smoothly drive the support plate 34 to move up and down.
As shown in fig. 2, 5 and 7, an openable cover plate 224 is disposed at the position of the feed opening 222 at the upper end of the inner cylinder 22, through the arrangement of the cover plate 224, when edible fungi in the reaction cylinder 2 are crushed, edible fungi powder can be prevented from floating out from the feed opening 222, a liquid adding hopper 225 is fixedly connected at the position of the feed opening 223 at the upper end of the inner cylinder 22, the upper part of the liquid adding hopper 225 is horn-shaped with a wide upper part and a narrow lower part, and a second control valve 226 is mounted at the lower part of the liquid adding hopper 225, so that a digestion solution is conveniently added into the reaction cylinder 2, wherein the digestion solution is concentrated nitric acid and hydrogen peroxide in a certain proportion.
As shown in fig. 6, a limiting block 341 is fixedly arranged at the upper end of the supporting plate 34, a limiting groove matched with the shape of the bottom of the polytetrafluoroethylene digestion tank 35 is formed in the limiting block 341, and the bottom of the polytetrafluoroethylene digestion tank 35 can be embedded in the limiting groove, so that the polytetrafluoroethylene digestion tank 35 is positioned, the polytetrafluoroethylene digestion tank 35 can be more stably positioned on the supporting plate 34, and the subsequent pressurizing cover 36 can be smoothly embedded at the opening at the upper end of the polytetrafluoroethylene digestion tank 35.
A use method of a device for rapidly detecting the standard exceeding of heavy metals in wild edible fungi is as follows: when in use, firstly, a proper amount of dried edible fungus sample is weighed and added into the inner cavity 221 of the inner cylinder 22 from the feeding port 222, the cover plate 224 is closed, the control unit 4 controls the driving motor 71 to start and the rotating shaft 72 to rotate so as to drive the crushing blade 73 to rapidly and fully crush the edible fungus sample, after the crushing, a proper amount of digestion solution is added into the inner cylinder 22 through the liquid adding hopper 225, the rotating shaft 72 drives the stirring blade 74 to rotate, so that the edible fungus powder and the digestion solution can be rapidly stirred, organic matters in the edible fungus and the digestion solution can fully react, after the stirring is completed, the control unit 4 controls the first electric push rod 23 to extend outwards so as to drive the inner cylinder 22 to move upwards, at the moment, the filter plate 24 can filter the liquid to be detected and make the liquid to be detected flow into the cavity 211 of the outer cylinder 21, the polytetrafluoroethylene digestion tank 35 is placed in the limiting groove of the supporting plate 34 in the microwave digestion tank 3, the suction pump 61 and the high-pressure electromagnetic valve 62 are controlled by the control unit 4, so that a proper amount of liquid to be detected is pumped into the polytetrafluoroethylene digestion tank 35, then the second electric push rod 33 is controlled by the control unit 4 to extend outwards, so that the support plate 34 is driven to move upwards, the pressurizing cover 36 is embedded at an opening at the upper end of the polytetrafluoroethylene digestion tank 35, so that the pressure in the polytetrafluoroethylene digestion tank 35 is maintained, then the control unit 4 controls the opening of the microwave generator 32, the digestion speed of the liquid to be detected can be effectively increased through the matching of high-pressure digestion and microwave rapid heating, organic matters in the liquid to be detected are further evaporated, after the digestion is finished, the second electric push rod 33 is controlled to be recycled inwards, the support plate 34 is driven to move downwards, and the box door 37 on the microwave digestion box 3 is opened, taking out the polytetrafluoroethylene digestion tank 35, pouring the liquid to be detected in the tank into a volumetric flask quickly, washing the polytetrafluoroethylene digestion tank 35 for multiple times by using a small amount of nitric acid solution (1%), merging the washing liquids and pouring the washing liquids into the volumetric flask, fixing the volume to the scale by using the nitric acid solution (1%), and then sending the volumetric flask into an inductively coupled plasma mass spectrometer for detection, thereby calculating the content of each heavy metal quickly.
The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (10)
1. The utility model provides a heavy metal rapid detection device that exceeds standard in wild domestic fungus which characterized in that: the microwave digestion device comprises a base, wherein a reaction cylinder, a microwave digestion box, a control unit and a detector are fixedly mounted at the upper end of the base, the reaction cylinder comprises an outer cylinder and an inner cylinder, a cavity penetrating through the upper end face is formed in the outer cylinder, the outer diameter of the inner cylinder is consistent with the inner diameter of the outer cylinder, the inner cylinder can be sleeved in the outer cylinder in a vertically movable manner, a guide block is fixedly arranged at the upper part of the inner surface of the outer cylinder, a guide groove penetrating through the bottom is formed in the outer surface of the inner cylinder, the guide block is matched with the guide groove, the guide block is embedded in the guide groove and is in sliding fit with the guide groove, a plurality of first electric push rods used for driving the inner cylinder to move vertically are fixedly mounted on the base, a downwards open inner cavity is formed in the inner cylinder, a crushing and stirring mechanism extending towards the bottom of the inner cavity, the upper end of the inner barrel is also provided with a feed inlet and a liquid filling inlet, the lower end of the microwave digestion tank is fixedly provided with a supporting leg, one side in the microwave digestion tank is fixedly provided with a microwave generator, the lower end of the microwave digestion tank is fixedly provided with a plurality of second electric push rods, the push rods of the second electric push rods penetrate through the lower end of the microwave digestion tank and extend upwards, the end parts of the push rods of the second electric push rods are fixedly connected with a supporting plate, the upper end of the supporting plate is detachably provided with a polytetrafluoroethylene digestion tank, the top surface in the microwave digestion tank is fixedly provided with a pressurizing cover matched with the polytetrafluoroethylene digestion tank, the polytetrafluoroethylene digestion tank is positioned under the pressurizing cover, the pressurizing cover is provided with a liquid inlet hole, the upper end of the microwave digestion tank is provided with a through hole communicated with the liquid inlet hole, and the bottom of the outer barrel is communicated with the liquid inlet, the microwave digestion box is characterized in that a suction pump and a high-pressure electromagnetic valve are sequentially installed on the connecting pipe, the control unit is respectively connected with the first electric push rod, the second electric push rod, the microwave generator, the suction pump and the high-pressure electromagnetic valve in an electric connection mode, and a box door capable of being opened is further arranged on the front side of the microwave digestion box.
2. The device for rapidly detecting the overproof of the heavy metals in the wild edible fungi according to claim 1, is characterized in that: the crushing and stirring mechanism comprises a driving motor, the driving motor is fixedly installed at the upper end of the inner barrel, a rotating shaft extending towards the bottom of the inner cavity is connected to an output shaft of the driving motor in a transmission mode, a plurality of crushing blades and a plurality of stirring blades are fixedly arranged at the bottom of the rotating shaft along the circumferential direction of the rotating shaft, the stirring blades are arranged above the crushing blades, and the driving motor is electrically connected with the control unit.
3. The device for rapidly detecting the overproof of the heavy metals in the wild edible fungi according to claim 2, is characterized in that: the number of the crushing blades and the number of the stirring blades are both 2-3 and are uniformly distributed.
4. The device for rapidly detecting the overproof of the heavy metals in the wild edible fungi according to claim 1, is characterized in that: and polyester fiber antioxidant film coatings are arranged in the outer barrel, the inner barrel and the polytetrafluoroethylene digestion tank.
5. The device for rapidly detecting the overproof of the heavy metals in the wild edible fungi according to claim 1, is characterized in that: the urceolus bottom one side is equipped with the waste liquid export, fixedly connected with waste liquid pipe on the waste liquid export, install first control valve on the waste liquid pipe.
6. The device for rapidly detecting the overproof of the heavy metals in the wild edible fungi according to claim 1, is characterized in that: and an annular sealing ring is fixedly arranged on the outer surface of the pressurizing cover.
7. The device for rapidly detecting the overproof of the heavy metals in the wild edible fungi according to claim 1, is characterized in that: the detector is an inductively coupled plasma mass spectrometer.
8. The device for rapidly detecting the overproof of the heavy metals in the wild edible fungi according to claim 1, is characterized in that: the number of the first electric push rods is two, the first electric push rods are symmetrically arranged on two sides of the outer barrel respectively, and the number of the second electric push rods is two, and the second electric push rods are arranged along the length direction of the supporting plate at intervals.
9. The device for rapidly detecting the overproof of the heavy metals in the wild edible fungi according to claim 1, is characterized in that: the inner tube upper end in feed inlet department is equipped with the apron that can open, the inner tube upper end in feed inlet department fixedly connected with liquid feeding fill, liquid feeding fill upper portion is wide loudspeaker form narrow down, the second control valve is installed to liquid feeding fill lower part.
10. The device for rapidly detecting the overproof of the heavy metals in the wild edible fungi according to claim 1, is characterized in that: the supporting plate is characterized in that a limiting block is fixedly arranged at the upper end of the supporting plate, and a limiting groove matched with the bottom of the polytetrafluoroethylene digestion tank in shape is formed in the limiting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020330843.9U CN211784719U (en) | 2020-03-17 | 2020-03-17 | Heavy metal exceeds standard quick detection device in wild domestic fungus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020330843.9U CN211784719U (en) | 2020-03-17 | 2020-03-17 | Heavy metal exceeds standard quick detection device in wild domestic fungus |
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| CN211784719U true CN211784719U (en) | 2020-10-27 |
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| CN202020330843.9U Active CN211784719U (en) | 2020-03-17 | 2020-03-17 | Heavy metal exceeds standard quick detection device in wild domestic fungus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112526083A (en) * | 2020-11-23 | 2021-03-19 | 西南林业大学 | Organic pollutant rapid detection and edible safety evaluation system in agricultural products |
| CN112808206A (en) * | 2020-12-29 | 2021-05-18 | 大同同星抗生素有限责任公司 | A extract acidizing device for terramycin production |
-
2020
- 2020-03-17 CN CN202020330843.9U patent/CN211784719U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112526083A (en) * | 2020-11-23 | 2021-03-19 | 西南林业大学 | Organic pollutant rapid detection and edible safety evaluation system in agricultural products |
| CN112808206A (en) * | 2020-12-29 | 2021-05-18 | 大同同星抗生素有限责任公司 | A extract acidizing device for terramycin production |
| CN112808206B (en) * | 2020-12-29 | 2023-10-31 | 大同同星抗生素有限责任公司 | Extraction acidification device for terramycin production |
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