CN210199082U - Food heavy metal index measuring device - Google Patents
Food heavy metal index measuring device Download PDFInfo
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- CN210199082U CN210199082U CN201822233688.4U CN201822233688U CN210199082U CN 210199082 U CN210199082 U CN 210199082U CN 201822233688 U CN201822233688 U CN 201822233688U CN 210199082 U CN210199082 U CN 210199082U
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Abstract
The utility model discloses a food heavy metal index survey device, add the mouth including test box, switch board, air exhauster, filter jar and reagent, test box one side is provided with the switch board, the test box opposite side is provided with the filter jar, the test box top communicates with each other and is connected with the air exhauster, the air exhauster both sides all are provided with reagent and add the mouth, the inside reaction vessel base that is provided with of test box, reaction vessel base top is provided with the reaction vessel, reaction vessel top both sides all are provided with reagent and add the pipe, and reagent adds the pipe top and reagent and add the mouth and communicate with each other and be connected. The utility model relates to a novelty, through test box, chamber door and the sealing strip that sets up, can form a closed test environment, can avoid external factor to influence test effect on the one hand, and on the other hand can prevent that the poisonous and harmful gas that produces from leading to the fact harm to the human body in the reaction sequence, can effectively increase the protective properties of device to personnel, is fit for being extensively promoted and used.
Description
Technical Field
The utility model relates to a detection device, in particular to food heavy metal index survey device.
Background
In recent years, many products have heavy metal index determination requirements, but determination methods quoted by different standards are different, and most of the methods adopt a method that sulfide ions react with heavy metals in a test solution within a certain acidity range to generate sulfide precipitates, and a stable brown suspension emulsion visual colorimetry is generated when the content of the heavy metals is lower. The amount of acetic acid added varies among standards, and the kind of the reagent added varies. The pH of the test solution in the standard is required to be controlled to be 3.5-4, the pH is roughly adjusted by hydrochloric acid and ammonia water reagents with certain concentrations, the test is carried out by using wide test paper, and finally, a certain amount of acetic acid is added to control.
However, in the actual measurement operation process, there are two major operational defects, one is: the hydrogen sulfide gas has complex preparation process, bad smell and toxicity; secondly, the following steps: due to the fact that the PH error of the wide test paper is large, the PH value of the test solution is difficult to control accurately due to the fact that the PH error is measured by the wide test paper and the reagent acetic acid concentration or the adding amount is not the same, the standard and the sample cannot show colors, or the test solution is turbid rapidly, and the analysis result is difficult to judge accurately. Therefore, a device for measuring the heavy metal indexes of the food is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a food heavy metal index survey device, through test box, chamber door and the sealing strip that sets up, can form a closed test environment, can avoid external factor to influence test effect on the one hand, and on the other hand can prevent that the poisonous and harmful gas that produces from leading to the fact harm to the human body in the reaction sequence, can effectively increase the protective properties of device to personnel, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a food heavy metal index measuring device comprises a test box, a control cabinet, an exhaust fan, a filter tank and a reagent adding port, wherein the control cabinet is arranged on one side of the test box, the filter tank is arranged on the other side of the test box, the exhaust fan is communicated and connected above the test box, the reagent adding port is arranged on each of two sides of the exhaust fan, a reaction vessel base is arranged inside the test box, a reaction vessel is arranged above the reaction vessel base, a reagent adding pipe is arranged on each of two sides above the reaction vessel, the upper part of the reagent adding pipe is communicated and connected with the reagent adding port, a sealing valve is arranged above the inner part of the reagent adding pipe, a gas sensor is arranged above one side inside the test box, a temperature sensor is arranged above the other side inside the test box, heating plates are arranged on two sides of the inner wall of the, the air exhauster top communicates with each other through communicating pipe and crosses the filter tank and be connected, it is provided with elementary filter screen to cross the inside top of filter tank, elementary filter screen below is provided with the neutralization reaction filter core, neutralization reaction filter core below is provided with secondary filter screen, it is provided with the blast pipe to cross filter tank one side.
Further, a box body panel is arranged on the outer surface of the test box, a box door is connected to the surface of the box body panel through a hinge, and a sealing strip is arranged on the outer edge of the box door.
Furthermore, a display is arranged above the control cabinet, and a control key is arranged below the display.
Further, an exhaust pipe is arranged on one side of the filter tank.
Further, the exhaust fan, the sealing valve, the gas sensor, the temperature sensor and the heating plate are all electrically connected with the control cabinet through leads.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through the test box that sets up, chamber door and sealing strip, can form a closed test environment, can avoid external factors to influence test effect on the one hand, on the other hand can prevent that the poisonous and harmful gas that produces from leading to the fact harm to the human body in the reaction sequence, can effectively increase the device to personnel's barrier propterty, through the air exhauster that sets up, communicating pipe and filter tank, can purify the back with the produced poisonous and harmful gas of reaction and discharge again, through the primary filter screen that sets up, neutralization reaction filter core and secondary filter screen, can effectively get rid of the poisonous and harmful substance in the gas, increase purifying effect.
2. Through the reagent that sets up adds mouth and reagent and adds the pipe, can add experimental reagent, and through the sealing valve who sets up, can ensure the leakproofness that reagent adds the pipe, prevent gas leakage, through the gas sensor who sets up, can measure the content of the inside toxic gas of test box, the side changes the staff and grasps, through the temperature sensor who sets up, can measure the temperature of test box inside, and the cooperation hot plate, can form a good constant temperature reaction environment, increase test effect.
3. Through the switch board that sets up, can utilize the PLC controller to control air exhauster, sealing valve, gas sensor, temperature sensor and hot plate, can carry out automated control according to the programming, through the display that sets up, can show the operating condition of device, make things convenient for the staff to master the behavior of device, through the control button that sets up, can be convenient for the staff to carry out manual control, it is convenient.
Drawings
Fig. 1 is the overall structure schematic diagram of the device for measuring the heavy metal indexes of food.
Fig. 2 is the utility model relates to a food heavy metal index survey device's test box inner structure schematic diagram.
In the figure: 1. a base; 2. a test box; 3. a box body panel; 4. a box door; 5. a control cabinet; 6. an exhaust fan; 7. a filter tank; 8. a reagent addition port; 9. a communicating pipe; 10. a hinge; 11. a sealing strip; 12. a display; 13. a control key; 14. an exhaust pipe; 15. a reaction vessel base; 16. a reaction vessel; 17. a reagent addition tube; 18. sealing the valve; 19. a gas sensor; 20. a temperature sensor; 21. heating plates; 22. a fan blade; 23. a primary filter screen; 24. a neutralization reaction filter element; 25. and a secondary filter screen.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-2, a food heavy metal index measuring device comprises a test box 2, a control cabinet 5, an exhaust fan 6, a filter tank 7 and a reagent adding port 8, wherein the control cabinet 5 is arranged on one side of the test box 2, the filter tank 7 is arranged on the other side of the test box 2, the exhaust fan 6 is communicated and connected with the upper side of the test box 2, the reagent adding port 8 is arranged on both sides of the exhaust fan 6, a reaction vessel base 15 is arranged in the test box 2, a reaction vessel 16 is arranged above the reaction vessel base 15, reagent adding pipes 17 are arranged on both sides above the reaction vessel 16, the upper side of each reagent adding pipe 17 is communicated and connected with the reagent adding port 8, a sealing valve 18 is arranged above the inner part of each reagent adding pipe 17, a gas sensor 19 is arranged above one side of the inner part of the test box 2, and a temperature sensor 20 is arranged above the, 2 inner wall both sides of test box all are provided with hot plate 21, 6 inside flabellum 22 that are provided with of air exhauster, 6 tops of air exhauster communicate with each other through communicating pipe 9 and filter tank 7 and be connected, the inside top of filter tank 7 is provided with elementary filter screen 23, elementary filter screen 23 below is provided with neutralization reaction filter core 24, neutralization reaction filter core 24 below is provided with secondary filter screen 25, it is provided with blast pipe 14 to filter tank 7 one side.
In this embodiment, as shown in fig. 1-2, a closed testing environment can be formed by the testing box 2, the box door 4 and the sealing strip 11, on one hand, the influence of external factors on the testing effect can be avoided, on the other hand, the harm of toxic and harmful gases generated in the reaction process to human bodies can be prevented, the protection performance of the device to personnel can be effectively increased, the toxic and harmful gases generated in the reaction can be purified and then discharged by the arranged exhaust fan 6, the communicating pipe 14 and the filtering tank 7, the toxic and harmful substances in the gases can be effectively removed by the arranged primary filter screen 23, the neutralization reaction filter element 24 and the secondary filter screen 25, the purifying effect is increased, the experimental reagent can be added by the arranged reagent adding port 8 and the reagent adding pipe 17, and the sealing performance of the reagent adding pipe 17 can be ensured by the arranged sealing valve 18, gas leakage is prevented, the content of toxic gas in the test box 2 can be measured through the arranged gas sensor 19, so that workers can know the content, by means of the temperature sensor 20, the temperature inside the test chamber 2 can be measured, and a good constant temperature reaction environment can be formed by matching with the heating plate 21, the test effect is improved, the exhaust fan 6, the sealing valve 18, the gas sensor 19, the temperature sensor 20 and the heating plate 21 can be controlled by the PLC through the arranged control cabinet 5, can be automatically controlled according to programming, can display the working state of the device through the arranged display 12, is convenient for workers to master the working condition of the device, through the control button 13 that sets up, the staff of being convenient for carries out manual control, and is convenient to carry out the device.
The outer surface of the test box 2 is provided with a box body panel 3, the surface of the box body panel 3 is connected with a box door 4 through a hinge 10, and the outer edge of the box door 4 is provided with a sealing strip 11.
In this embodiment, as shown in fig. 1, the airtightness of the device can be ensured, and the sealing effect of the device can be increased.
Wherein, the top of the control cabinet 5 is provided with a display 12, and the bottom of the display 12 is provided with a control key 13.
In this embodiment, as shown in fig. 1-2, the use state of the device can be displayed, and meanwhile, the device can be conveniently operated manually by a worker.
Wherein, an exhaust pipe 14 is arranged on one side of the filtering tank 7.
In this embodiment, as shown in fig. 1-2, the filtered gas can be discharged.
The exhaust fan 6, the sealing valve 18, the gas sensor 19, the temperature sensor 20 and the heating plate 21 are electrically connected with the control cabinet 5 through wires.
In this embodiment, as shown in fig. 1 to 2, each electric device can be automatically controlled by a PLC controller.
It should be noted that the utility model relates to a food heavy metal index measuring device, including base 1, test box 2, box panel 3, chamber door 4, switch board 5, exhaust fan 6, filter tank 7, reagent adds mouth 8, communicating pipe 9, hinge 10, sealing strip 11, display 12, control button 13, blast pipe 14, reaction vessel base 15, reaction vessel 16, reagent adds pipe 17, sealing valve 18, gas sensor 19, temperature sensor 20, hot plate 21, flabellum 22, primary filter screen 23, neutralization reaction filter core 24 and secondary filter screen 25, the part is general standard component or the part that technical staff in this field knows, its structure and principle all can be known or know through conventional experimental method for this technical staff through the technical manual, in operation, through test box 2, chamber door 4 and sealing strip 11 that set up, can form a closed test environment, on one hand, the influence of external factors on the test effect can be avoided, on the other hand, the harm of toxic and harmful gas generated in the reaction process to human bodies can be prevented, the protection performance of the device to personnel can be effectively improved, the toxic and harmful gas generated in the reaction can be purified and then discharged through the arranged exhaust fan 6, the communicating pipe 14 and the filter tank 7, the toxic and harmful substance in the gas can be effectively removed through the arranged primary filter screen 23, the neutralization reaction filter element 24 and the secondary filter screen 25, the purification effect is improved, the experimental reagent can be added through the arranged reagent adding port 8 and the reagent adding pipe 17, the sealing performance of the reagent adding pipe 17 can be ensured through the arranged sealing valve 18, the gas leakage is prevented, the content of the toxic gas in the test box 2 can be measured through the arranged gas sensor 19, the side changes the staff and masters, through the temperature sensor 20 that sets up, can carry out the excess measurement to the inside temperature of test box 2, and cooperate hot plate 21, can form a good constant temperature reaction environment, increase the test effect, through the switch board 5 that sets up, can utilize the PLC controller to air exhauster 6, sealing valve 18, gas sensor 19, temperature sensor 20 and hot plate 21 control, can carry out automated control according to the programming, through the display 12 that sets up, can show the operating condition of device, make things convenient for the staff to master the behavior of device, through the control button 13 that sets up, the staff of can being convenient for carries out manual control to the device, and is convenient and fast.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a food heavy metal index survey device, includes test box (2), switch board (5), air exhauster (6), crosses filter tank (7) and reagent interpolation mouth (8), test box (2) one side is provided with switch board (5), test box (2) opposite side is provided with filter tank (7), test box (2) top communicates with each other and is connected with air exhauster (6), air exhauster (6) both sides all are provided with reagent interpolation mouth (8), its characterized in that: the reaction vessel is characterized in that a reaction vessel base (15) is arranged inside the test box (2), a reaction vessel (16) is arranged above the reaction vessel base (15), reagent adding pipes (17) are arranged on two sides of the top of the reaction vessel (16), the top of each reagent adding pipe (17) is communicated with a reagent adding port (8), a sealing valve (18) is arranged above the inside of each reagent adding pipe (17), a gas sensor (19) is arranged above one side of the inside of the test box (2), a temperature sensor (20) is arranged above the other side of the inside of the test box (2), heating plates (21) are arranged on two sides of the inner wall of the test box (2), fan blades (22) are arranged inside the exhaust fan (6), the top of the exhaust fan (6) is communicated with the filter tank (7) through a communicating pipe (9), and a primary filter screen (23) is arranged above the inside of the, elementary filter screen (23) below is provided with neutralization reaction filter core (24), neutralization reaction filter core (24) below is provided with secondary filter screen (25), filter tank (7) one side is provided with blast pipe (14).
2. The apparatus for determining the index of heavy metal in food according to claim 1, wherein: the outer surface of the test box (2) is provided with a box body panel (3), the surface of the box body panel (3) is connected with a box door (4) through a hinge (10), and a sealing strip (11) is arranged on the outer edge of the box door (4).
3. The apparatus for determining the index of heavy metal in food according to claim 1, wherein: a display (12) is arranged above the control cabinet (5), and a control key (13) is arranged below the display (12).
4. The apparatus for determining the index of heavy metal in food according to claim 1, wherein: the exhaust fan (6), the sealing valve (18), the gas sensor (19), the temperature sensor (20) and the heating plate (21) are all electrically connected with the control cabinet (5) through leads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233688.4U CN210199082U (en) | 2018-12-28 | 2018-12-28 | Food heavy metal index measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233688.4U CN210199082U (en) | 2018-12-28 | 2018-12-28 | Food heavy metal index measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN210199082U true CN210199082U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822233688.4U Active CN210199082U (en) | 2018-12-28 | 2018-12-28 | Food heavy metal index measuring device |
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| CN (1) | CN210199082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640459A (en) * | 2021-07-16 | 2021-11-12 | 福建九五检测技术服务有限公司 | Waste gas detection device and detection method thereof |
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2018
- 2018-12-28 CN CN201822233688.4U patent/CN210199082U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640459A (en) * | 2021-07-16 | 2021-11-12 | 福建九五检测技术服务有限公司 | Waste gas detection device and detection method thereof |
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