CN215812692U - Qualitative detection device in batches of sulfur dioxide in food - Google Patents
Qualitative detection device in batches of sulfur dioxide in food Download PDFInfo
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- CN215812692U CN215812692U CN202120793308.1U CN202120793308U CN215812692U CN 215812692 U CN215812692 U CN 215812692U CN 202120793308 U CN202120793308 U CN 202120793308U CN 215812692 U CN215812692 U CN 215812692U
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- peristaltic pump
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Abstract
The utility model relates to a qualitative detection device for batch sulfur dioxide in food, which comprises a base and a tray, wherein a sample rack with a test tube seat is arranged on the upper side of the base, a sample test tube can be placed in the test tube seat, a mobile platform moves along a chute through a slide block to adjust the position of the mobile platform, the mobile platform can move left and right in a top plate, a liquid feeding tube A, a liquid feeding tube B and a liquid feeding tube C are sequentially aligned with the sample test tube, a first peristaltic pump, a second peristaltic pump and a third peristaltic pump are sequentially started, the reagents in the reagent bottles A, B, C, D, E and F can be added into the sample test tubes, the sulfur dioxide contained in the sample test tube is detected, a plurality of test tube seats are arranged in the sample rack, a plurality of sample test tubes can be placed for simultaneous detection, the control panel can carry out overall control on the device, and the operation is simple; the utility model has the characteristics of accurate determination, rapidness, high efficiency and cost saving.
Description
Technical Field
The utility model belongs to the technical field of analytical instruments and equipment, and particularly relates to a batch qualitative detection device for sulfur dioxide in food.
Background
Sulfur dioxide is a common bleaching agent and preservative in food, sulfur dioxide residues exist in the body after eating, a small amount of sulfur dioxide in the body can be discharged along with urine after being converted by enzyme, but the food containing sulfur dioxide can cause adverse effects on health after being eaten for a long time in a large amount, sulfur dioxide is a large enemy of food safety, almost all food types are related, and the detection over-standard rate of sulfur dioxide of various types of food is in an increasing trend from the detection results in recent years, so that the screening and the detection are enhanced to have important practical significance, the detection method of sulfur dioxide in the food is mainly GB5009.34-2016 distillation method at present, the method has better performance for the detection of colored food such as wine, but has a great degree of false positive detection results for food containing sulfhydryl compounds such as mushrooms, day lily, garlic products, spices and the like, moreover, the distillation method takes a long time, and the detection of a large number of samples takes a long detection time and is high in time cost.
Disclosure of Invention
The utility model aims to provide a batch qualitative detection device for sulfur dioxide in food, which is used for solving the problems of complexity and time consumption in sulfur dioxide detection.
The purpose of the utility model is realized as follows: the utility model provides a qualitative detection device in sulfur dioxide is in batches among food, it includes base and tray, the base front side be provided with control panel, the base upside be provided with the sample frame, the sample frame inside be provided with the test tube seat, the base left and right sides all be provided with the spout, base top be provided with the mobile station, mobile station upside be provided with the roof, roof middle part be provided with the draw-in groove, the inside removal seat that is provided with of draw-in groove, removal seat front side be provided with the fastening knob, removal seat inside liquid feeding pipe A, liquid feeding pipe B, liquid feeding pipe C have set gradually, the mobile station downside be provided with the slider, the base rear be provided with the tray, tray front side be provided with the riser, the tray downside be provided with place the seat, place seat inside set gradually reagent bottle A, reagent bottle B, reagent bottle C, reagent bottle D, reagent bottle E, reagent bottle F, reagent bottle A, reagent bottle B, reagent bottle C, reagent bottle D, reagent bottle E, the inside drainage tube that all is provided with of reagent bottle F, the riser upside set gradually first peristaltic pump, second peristaltic pump, third peristaltic pump, first peristaltic pump, second peristaltic pump, the inside connecting pipe that all is provided with of third peristaltic pump.
The test tube seat is internally provided with a clamping block.
Handles are arranged on the left side and the right side of the mobile station.
The roof around both sides all be provided with the spacing groove, removal seat rear side be provided with the gag lever post.
Pulleys are arranged on the upper side and the lower side of the sliding block.
The riser upside be provided with the location pipeline.
Reagent bottle A and the inside draft tube of reagent bottle B be connected with liquid feeding pipe A through the inside connecting pipe of first peristaltic pump, reagent bottle C, reagent bottle D and the inside draft tube of reagent bottle E be connected with liquid feeding pipe B through the inside connecting pipe of second peristaltic pump, reagent bottle F be connected with liquid feeding pipe C through the inside connecting pipe of third peristaltic pump.
The clamping block is made of sponge, and the connecting pipe is made of PE.
The utility model has the beneficial effects that: when the device is used, the sample test tubes are placed in the test tube seats, the mobile platform is connected with the sliding groove through the sliding block, the mobile platform is shifted, the mobile platform moves to the upper portion of the sample test tubes, the mobile seat can move left and right in the top plate, the liquid adding tube A, the liquid adding tube B, the liquid adding tube C is sequentially aligned with the sample test tubes, the first peristaltic pump, the second peristaltic pump and the third peristaltic pump are sequentially started, the reagent bottle A, the reagent bottle B, the reagent bottle C, the reagent bottle D, the reagent bottle E and reagents in the reagent bottle F are added into the sample test tubes, sulfur dioxide contained in the sample test tubes is detected, a plurality of test tube seats are arranged in the sample rack, the plurality of sample test tubes can be placed for simultaneous detection, the control panel can carry out overall control on the device, and the operation is simple.
Drawings
FIG. 1 is a front view of a device for qualitatively detecting the batch of sulfur dioxide in food according to the present invention.
Fig. 2 is a rear view of the qualitative detection device for batch sulfur dioxide in food.
FIG. 3 is a top view of a device for qualitative batch detection of sulfur dioxide in food products according to the present invention.
FIG. 4 is a top view of a mobile seat structure of a qualitative batch detection device for sulfur dioxide in food according to the present invention.
FIG. 5 is a connecting structure diagram of a chute and a slider of the qualitative batch detection device for sulfur dioxide in food.
In the figure: 1. the device comprises a base 2, a tray 3, a control panel 4, a sample rack 5, a test tube seat 6, a clamping block 7, a sliding groove 8, a moving platform 9, a handle 10, a top plate 11, a clamping groove 12, a limiting groove 13, a moving seat 14, a fastening knob 15, a limiting rod 16, a liquid adding tube A17, a liquid adding tube B18, a liquid adding tube C19, a sliding block 20, a pulley 21, a placing seat 22, a vertical plate 23, a reagent bottle A24, a reagent bottle B25, a reagent bottle C26, a reagent bottle D27, a reagent bottle E28, a reagent bottle F29, a drainage tube 30, a connecting tube 31, a first peristaltic pump 32, a second peristaltic pump 33, a third peristaltic pump 34 and a positioning pipeline.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, a qualitative detection device for batch sulfur dioxide in food comprises a base 1 and a tray 2, wherein a control panel 3 is arranged on the front side of the base 1, a sample holder 4 is arranged on the upper side of the base 1, a test tube holder 5 is arranged in the sample holder 4, sliding chutes 7 are arranged on the left side and the right side of the base 1, a moving table 8 is arranged above the base 1, a top plate 10 is arranged on the upper side of the moving table 8, a clamping groove 11 is arranged in the middle of the top plate 10, a moving seat 13 is arranged in the clamping groove 11, a fastening knob 14 is arranged on the front side of the moving seat 13, a liquid feeding tube A16, a liquid feeding tube B17 and a liquid feeding tube C18 are sequentially arranged in the moving seat 13, a sliding block 19 is arranged on the lower side of the moving table 8, the tray 2 is arranged on the rear side of the base 1, a vertical plate 22 is arranged on the front side of the tray 2, tray 2 downside be provided with place seat 21, place seat 21 inside reagent bottle A23, reagent bottle B24, reagent bottle C25, reagent bottle D26, reagent bottle E27, reagent bottle F28 of having set gradually, reagent bottle A23, reagent bottle B24, reagent bottle C25, reagent bottle D26, reagent bottle E27, the inside drainage tube 29 that all is provided with of reagent bottle F28, riser 22 upside set gradually first peristaltic pump 31, second peristaltic pump 32, third peristaltic pump 33, first peristaltic pump 31, second peristaltic pump 32, the inside connecting pipe 30 that all is provided with of third peristaltic pump 33.
When the utility model is used, the upper side of a base 1 is provided with a sample rack 4 with a test tube seat 5, a sample test tube can be placed in the test tube seat 5, the left side and the right side of the base 1 are provided with sliding grooves 7, a moving platform 8 is movably arranged above the base 1, the moving platform 8 moves along the sliding grooves 7 through a sliding block 19, the upper side of the moving platform 8 is provided with a top plate 10 with a clamping groove 11, the moving platform 13 slides in the clamping groove 11 in the top plate 10, the moving platform 13 can be positioned through a fastening knob 14, the rear side of the base 2 is provided with a tray 2 with a placing seat 21, a reagent bottle A23, a reagent bottle B24, a reagent bottle C25, a reagent bottle D26, a reagent bottle E27 and a reagent bottle F28 are placed in the placing seat 21, the peristaltic pumps of the reagent bottle A23, the reagent bottle B24, the reagent bottle C25, the reagent bottle D26 and the reagent bottle E27 are led out through a connecting pipe 29, under the action of a connecting pipe 30 in a first peristaltic pump 31, a second pump 32 and a third pump 33, the method is characterized in that reagent is added to the sample test tube through the liquid adding tube A16, the liquid adding tube B17 and the liquid adding tube C18, and then sulfur dioxide detection is carried out, and the operation can be controlled through the control panel 3.
Example 2
As shown in fig. 1-5, it comprises a base 1 and a tray 2, a control panel 3 is arranged on the front side of the base 1, a sample rack 4 is arranged on the upper side of the base 1, a test tube seat 5 is arranged in the sample rack 4, sliding chutes 7 are arranged on the left and right sides of the base 1, a moving platform 8 is arranged above the base 1, a top plate 10 is arranged on the upper side of the moving platform 8, a clamping groove 11 is arranged in the middle of the top plate 10, a moving seat 13 is arranged in the clamping groove 11, a fastening knob 14 is arranged on the front side of the moving seat 13, a liquid feeding tube A16, a liquid feeding tube B17 and a liquid feeding tube C18 are arranged in the moving seat 13 in sequence, a sliding block 19 is arranged on the lower side of the moving platform 8, the tray 2 is arranged on the rear side of the base 1, a vertical plate 22 is arranged on the front side of the tray 2, a placing seat 21 is arranged on the lower side of the tray 2, place inside reagent bottle A23, reagent bottle B24, reagent bottle C25, reagent bottle D26, reagent bottle E27, reagent bottle F28 of having set gradually of seat 21, reagent bottle A23, reagent bottle B24, reagent bottle C25, reagent bottle D26, reagent bottle E27, the inside drainage tube 29 that all is provided with of reagent bottle F28, riser 22 upside set gradually first peristaltic pump 31, second peristaltic pump 32, third peristaltic pump 33, first peristaltic pump 31, second peristaltic pump 32, the inside connecting pipe 30 that all is provided with of third peristaltic pump 33.
For better effect, the test tube holder 5 is internally provided with a clamping block 6 which can clamp the sample test tube.
For better effect, handles 9 are arranged on the left and right sides of the mobile station 8.
For better effect, both sides all are provided with spacing groove 12 around roof 10, removal seat 13 rear side be provided with gag lever post 15, gag lever post 15 can move in spacing groove 12 inside.
In order to achieve better effect, pulleys 20 are arranged on the upper side and the lower side of the sliding block 19, and the pulleys 20 can reduce friction force of the sliding block 19.
For better effect, the riser 22 is provided with a positioning pipe 34 on the upper side, which can support the connecting pipe 30.
In order to achieve better effect, the drainage tube 30 in the reagent bottle A23 and the reagent bottle B24 is connected with the liquid adding tube A16 through the internal connecting tube 30 of the first peristaltic pump 31, the drainage tube 29 in the reagent bottle C25, the reagent bottle D26 and the reagent bottle E27 is connected with the liquid adding tube B17 through the internal connecting tube 30 of the second peristaltic pump 32, the reagent bottle F28 is connected with the liquid adding tube C18 through the internal connecting tube 30 of the third peristaltic pump 33, the connecting tube 30 only has a tidying effect on the drainage tube 29, and the drainage tube 29 still independently exists in the connecting tube 30.
For better effect, the clamping block 6 is made of sponge, and the connecting pipe 30 is made of PE.
The detection steps of the device are as follows: weighing about 5g of crushed detected food sample, placing the crushed detected food sample into a 50mL sample test tube, adding a reagent (dried vegetables such as vermicelli and agaric and the like are added with an appropriate amount of water for wetting) in a 10mL reagent bottle F28 through a third peristaltic pump 33, shaking uniformly, placing for 4h (standing overnight can be carried out), opening the sample test tube after 4h, respectively adding reagents in a 1.25mL reagent bottle A23 and a reagent bottle B24 through a first peristaltic pump 31, adding tertiary water to a constant volume of 50mL, shaking uniformly, standing for 20min, filtering into a sample liquid tube through fold-free filter paper, respectively taking 2mL sample liquid into a 25mL colorimetric tube through a liquid transfer gun, then adding a reagent in an 8mL reagent bottle F28 through the third peristaltic pump 33, respectively adding reagents in a 1mL reagent bottle C25, a reagent bottle D26 and a reagent bottle E27 through a second peristaltic pump 32, standing for 20min, mixing the colorimetric tube with the sample liquid colorimetric tube, if the colorimetric tube is deeper than the sample liquid, indicating that the detection is qualitatively screened, the distillation quantification is required using the existing national standard methods.
The reagent bottle a 23: potassium ferrocyanide solution (106 g/L);
the reagent bottle B24: zinc acetate solution (220 g/L);
the reagent bottle C25: ammonia sulfamate solution (12 g/L);
the reagent bottle D26: formaldehyde solution (12 g/L);
the reagent bottle E27: pararosaniline hydrochloride solution (0.2 g/L) (solvent is 1mol/L hydrochloric acid solution);
the reagent bottle F28: dissolving 13.6g of mercuric chloride and 6.0g of sodium chloride in 1L of water, standing overnight, and filtering for later use;
when the device is used, a sample test tube is placed in the test tube seats 5, the clamping block 6 can fasten the sample test tube, the moving platform 8 is moved by the handle 9 and moves to the upper part of the sample test tube, the moving platform 8 is connected with the sliding chute 7 by the sliding block 19, the sliding block 19 can move in the sliding chute 7 by the pulley 20 to adjust the position of the moving platform 8, the moving seat 13 can move left and right in the top plate 10, the limiting rod 15 can prevent the moving seat 13 from shifting, the liquid adding tube A16, the liquid adding tube B17 and the liquid adding tube C18 are sequentially aligned with the sample test tube, the first peristaltic pump 31, the second peristaltic pump 32 and the third peristaltic pump 33 are sequentially started, so that reagents in the reagent bottles A23, B24, C25, D26, E27 and F28 can be added into the sample test tube to detect sulfur dioxide contained in the sample test tube, the plurality of test tube seats 5 are arranged in the sample rack 4, the device can be used for placing a plurality of sample test tubes for simultaneous detection, the control panel 3 can be used for carrying out integral control on the device, the operation is simple, the device not only can be used for carrying out accurate qualification on a plurality of matrixes which are not suitable for a distillation method in national standards, but also can be used for carrying out qualitative primary screening on a large number of food samples, the accuracy is higher through experimental verification, a large amount of labor cost, reagent consumable cost and time cost can be saved, and the device has the characteristics of accuracy in qualification, rapidness, high efficiency and cost saving.
Claims (8)
1. The utility model provides a sulfur dioxide is qualitative detection device in batches in food, it includes base and tray, its characterized in that: the base front side be provided with control panel, the base upside be provided with the sample frame, the sample frame inside be provided with the test tube seat, the base left and right sides all be provided with the spout, the base top be provided with the mobile station, the mobile station upside be provided with the roof, roof middle part be provided with the draw-in groove, the draw-in groove inside be provided with the removal seat, removal seat front side be provided with the fastening knob, the removal seat inside liquid feeding pipe A, liquid feeding pipe B, liquid feeding pipe C have set gradually, the mobile station downside be provided with the slider, the base rear be provided with the tray, tray front side be provided with the riser, the tray downside be provided with the seat of placing, the seat inside set gradually reagent bottle A, reagent bottle B, reagent bottle C, reagent bottle D, reagent bottle E, reagent bottle F, reagent bottle A, reagent bottle C, reagent bottle D, reagent bottle E, reagent bottle F, reagent bottle A, Reagent bottle B, reagent bottle C, reagent bottle D, reagent bottle E, reagent bottle F are inside all to be provided with the drainage tube, the riser upside set gradually first peristaltic pump, second peristaltic pump, third peristaltic pump, first peristaltic pump, second peristaltic pump, third peristaltic pump inside all be provided with the connecting pipe.
2. The device for qualitatively detecting the batch of the sulfur dioxide in the food as claimed in claim 1, wherein: the test tube seat is internally provided with a clamping block.
3. The device for qualitatively detecting the batch of the sulfur dioxide in the food as claimed in claim 1, wherein: handles are arranged on the left side and the right side of the mobile station.
4. The device for qualitatively detecting the batch of the sulfur dioxide in the food as claimed in claim 1, wherein: the roof around both sides all be provided with the spacing groove, removal seat rear side be provided with the gag lever post.
5. The device for qualitatively detecting the batch of the sulfur dioxide in the food as claimed in claim 1, wherein: pulleys are arranged on the upper side and the lower side of the sliding block.
6. The device for qualitatively detecting the batch of the sulfur dioxide in the food as claimed in claim 1, wherein: the riser upside be provided with the location pipeline.
7. The device for qualitatively detecting the batch of the sulfur dioxide in the food as claimed in claim 1, wherein: reagent bottle A and the inside draft tube of reagent bottle B be connected with liquid feeding pipe A through the inside connecting pipe of first peristaltic pump, reagent bottle C, reagent bottle D and the inside draft tube of reagent bottle E be connected with liquid feeding pipe B through the inside connecting pipe of second peristaltic pump, reagent bottle F be connected with liquid feeding pipe C through the inside connecting pipe of third peristaltic pump.
8. The device for qualitatively detecting the batch of the sulfur dioxide in the food as claimed in claim 2, wherein: the clamping block is made of sponge, and the connecting pipe is made of PE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120793308.1U CN215812692U (en) | 2021-04-19 | 2021-04-19 | Qualitative detection device in batches of sulfur dioxide in food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120793308.1U CN215812692U (en) | 2021-04-19 | 2021-04-19 | Qualitative detection device in batches of sulfur dioxide in food |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215812692U true CN215812692U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120793308.1U Active CN215812692U (en) | 2021-04-19 | 2021-04-19 | Qualitative detection device in batches of sulfur dioxide in food |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215812692U (en) |
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2021
- 2021-04-19 CN CN202120793308.1U patent/CN215812692U/en active Active
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