Device for detecting sulfur dioxide in food

Abstract

The utility model belongs to the field of food detection, particularly relates to a device for detecting sulfur dioxide in food, and aims to solve the problems of long detection time, tedious procedures, inconvenience in large-scale and rapid detection of the content of sulfur dioxide in food, high detection efficiency and the like due to the fact that the sulfur dioxide needs to be sent to relevant departments for corresponding detection in the conventional detection and use. In order to solve the problem that residual sulfur dioxide gas is directly discharged to the outside after detection, and the external environment is easily damaged, the utility model provides the following scheme: the device comprises a crushing tank and a bottom plate, the top of the crushing tank is provided with a tank cover, the bottom of the crushing tank is fixedly connected with the top of the bottom plate, and one side of the crushing tank is provided with a water adding pipe; the sulfur dioxide in the food can be conveniently and rapidly separated out, the detection efficiency is improved, the consumed time is shortened, the sulfur dioxide separated out of the food can be conveniently detected, the concentration of the sulfur dioxide can be conveniently known, meanwhile, the residual sulfur dioxide after detection can be removed, and damage to the external environment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of detection, in particular to a device for detecting sulfur dioxide in food. Background Art

[0002] As the quality of life of the Chinese people improves, food safety issues are increasingly attracting people's attention. Sulfur dioxide is a colorless gas with a pungent odor. It is a commonly used food additive in the food industry. A small amount of sulfur dioxide enters the body with food to generate sulfites, which are oxidized to sulfates by sulfite oxidase in tissue cells. After detoxification through normal detoxification pathways, it is finally excreted from the body through urine. It does not have much effect on the human body, but if it exceeds the limit, it will cause harm to human health.

[0003] Sulfur dioxide detection requires the use of a detection device, but the existing food testing has the following problems: the food needs to be sent to the relevant department for corresponding testing, the testing time is long and the procedures are cumbersome, which is not conducive to large-scale and rapid testing of the sulfur dioxide content in food. After the test, the residual sulfur dioxide gas is directly discharged to the outside, which is easy to cause damage to the external environment. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art that the food needs to be sent to relevant departments for testing, the testing time is long and the procedures are complicated, which is not conducive to large-scale and rapid testing of the sulfur dioxide content in food, and the residual sulfur dioxide gas after the test is directly discharged to the outside, which is easy to cause damage to the external environment. The proposed sulfur dioxide detection device for food is to solve the shortcomings of the prior art that the food needs to be sent to relevant departments for testing, the testing time is long and the procedures are complicated, which is not conducive to large-scale and rapid testing of the sulfur dioxide content in food.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A device for detecting sulfur dioxide in food, comprising a crushing tank and a bottom plate, wherein a tank cover is arranged on the top of the crushing tank, the bottom of the crushing tank is fixedly connected to the top of the bottom plate, a water supply pipe is arranged on one side of the crushing tank, and a No. 1 pipe for detection is arranged on the other side of the crushing tank, and a one-way valve for preventing back suction is fixedly arranged on the No. 1 pipe;

[0007] A crushing mechanism, which is arranged on the crushing tank and is used to crush the food;

[0008] A detection mechanism, which is arranged on one side of the crushing tank and is used to detect sulfur dioxide;

[0009] The filtering mechanism is arranged on one side of the tablet crushing tank and is used for filtering the sulfur dioxide after detection.

[0010] In a possible design, the crushing mechanism includes a motor, a crushing column and a plurality of crushing blades, the bottom of the motor is fixedly connected to the top of the tank cover by bolts, the output end of the motor passes through the top of the tank cover and is fixedly connected to one end of the crushing column, the output end of the motor is rotatably connected to the tank cover, one end of the crushing column is rotatably connected to the bottom of the tank cover, the plurality of crushing blades are respectively fixedly arranged on the same crushing column, and the plurality of crushing blades and the crushing column are all located inside the crushing tank.

[0011] In one possible design, the detection mechanism includes a pump box, a detection bottle, a No. 1 plate and a No. 2 plate, one side of the No. 1 plate and the No. 2 plate are respectively fixedly connected to the outer side of the crushing tank and the bottom plate, the bottom of the pump box is fixedly connected to the top of the No. 1 plate, the interior of the pump box is fixedly provided with an air suction pump for sucking out the sulfur dioxide in the crushing tank by bolts, the air inlet end of the air suction pump is fixedly connected to one end of the No. 1 pipe, the air outlet end of the air suction pump is fixedly connected to the No. 2 pipe, the No. 2 pipe passes through the inner wall of one side of the pump box and is interconnected with the detection bottle, the interior of the detection bottle is filled with a fuchsin solution, the outside of the detection bottle is fixedly provided with a drain pipe and a liquid adding pipe, and the detection bottle is fixedly provided on the top of the No. 2 plate.

[0012] In a possible design, the filtering mechanism includes a filter box, four filter screens and a box cover. The bottom of the filter box is fixedly connected to the top of the No. 2 plate. The four filter screens are fixedly arranged inside the same filter box by bolts. A No. 3 pipe is fixedly connected to one side of the filter box. One end of the No. 3 pipe is interconnected with the detection bottle. Exhaust pipes for exhaust are arranged on the front and rear sides of the filter box. The material of the four filter screens is set to activated carbon material. The box cover is fixedly arranged on the filter box by bolts. A sealing gasket is arranged between the box cover and the filter box.

[0013] In one possible design, a placement groove is provided on the top of the bottom plate, and a plurality of heating tubes for heating the crushing tank are fixedly arranged inside the placement groove. The inner wall of the placement groove is fixedly connected to a top plate by bolts, and the top of the top plate is fixedly connected to the bottom of the crushing tank.

[0014] In a possible design, a colorimetric plate for comparing the color of the fuchsin solution inside the detection bottle is fixedly connected to the top of the second plate, and a plurality of colorimetric cards of different colors are fixedly arranged on the colorimetric plate.

[0015] In the present application, when in use, the food to be tested is placed in the damaged can, and then the can lid is closed, and then the motor is started through the external controller. The motor drives the crushing column and the crushing blade to rotate through the output end, and the food in the can is crushed, and water is added to the crushing can through the water adding pipe, and then the heating tube is started through the controller, and the heating tube heats the can body, thereby precipitating the sulfur dioxide in the food, and the precipitated sulfur dioxide is sucked into the detection bottle through the suction pump through the one-way valve and the No. 1 tube. The magenta solution in the detection bottle is reduced by sulfur dioxide and changes color, and then the color of the magenta solution is compared with the colorimetric plate on the No. 2 plate to know the sulfur dioxide content in the food. After the detection is completed, the residual sulfur dioxide is passed through the filter box through the pipeline, and the sulfur dioxide is adsorbed by the activated carbon filter, and then the excess gas is discharged to the outside, which can facilitate the detection of food, and the residual sulfur dioxide after the detection can be removed to reduce damage to the external environment.

[0016] The beneficial effects of the utility model are:

[0017] In the utility model, the sulfur dioxide in the food can be precipitated conveniently and quickly through the crushing mechanism, the detection mechanism and the filtering mechanism, thereby improving the detection efficiency, reducing the time consumption, and conveniently detecting the sulfur dioxide precipitated in the food and knowing its concentration. At the same time, the sulfur dioxide remaining after the detection can be removed, thereby reducing the damage to the external environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 It is a cross-sectional exploded view of the utility model;

[0020] Figure 3 It is an exploded view of the local structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the filter structure of the utility model.

[0022] In the figure: 1. tank cover; 2. crushing tank; 3. bottom plate; 4. motor; 5. pump box; 6. plate No. 1; 7. test bottle; 8. plate No. 2; 9. filter box; 10. top plate; 11. heating tube; 12. crushing column; 13. crushing blade; 14. box cover; 15. filter screen; 16. colorimetric plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Embodiment 1

[0025] Reference Figure 1-Figure 4 , the detection device comprises a crushing tank 2 and a bottom plate 3:

[0026] A tank cover 1 is provided on the top of the crushing tank 2, the bottom of the crushing tank 2 is fixedly connected to the top of the bottom plate 3, a water supply pipe is provided on one side of the crushing tank 2, and a No. 1 pipe for detection is provided on the other side of the crushing tank 2, and a one-way valve is fixedly provided on the No. 1 pipe to prevent back suction.

[0027] A crushing mechanism is arranged on the crushing tank 2 for crushing food, and the crushing mechanism includes a motor 4, a crushing column 12 and a plurality of crushing blades 13. The bottom of the motor 4 is fixedly connected to the top of the tank cover 1 by bolts, and the output end of the motor 4 passes through the top of the tank cover 1 and is fixedly connected to one end of the crushing column 12. The output end of the motor 4 is rotatably connected to the tank cover 1, and one end of the crushing column 12 is rotatably connected to the bottom of the tank cover 1. The plurality of crushing blades 13 are respectively fixedly arranged on the same crushing column 12, and the plurality of crushing blades 13 and the crushing column 12 are all located inside the crushing tank 2. The crushing column 12 and the crushing blades 13 are driven to rotate by the motor 4 to crush the food in the crushing tank 2.

[0028] A detection mechanism is arranged at one side of the crushing tank 2 for detecting sulfur dioxide. The detection mechanism includes a pump box 5, a detection bottle 7, a No. 1 plate 6 and a No. 2 plate 8. One side of the No. 1 plate 6 and the No. 2 plate 8 are respectively fixedly connected to the outer sides of the crushing tank 2 and the bottom plate 3. The bottom of the pump box 5 is fixedly connected to the top of the No. 1 plate 6. An air suction pump for sucking out the sulfur dioxide in the crushing tank 2 is fixedly arranged inside the pump box 5 by bolts. The air inlet end of the air suction pump is fixedly connected to one end of the No. 1 pipe, and the air outlet end of the air suction pump is fixedly connected to the No. 2 pipe. The No. 2 pipe passes through the inner wall of one side of the pump box 5 and is interconnected with the detection bottle 7. The interior of the detection bottle 7 is filled with a fuchsin solution. A drain pipe and a liquid adding pipe are fixedly arranged on the outer side of the detection bottle 7. The detection bottle 7 is fixedly arranged on the top of the No. 2 plate 8. The sulfur dioxide in the crushing tank 2 is sucked into the detection bottle 7 by the air suction pump, and the sulfur dioxide is detected by the reaction of sulfur dioxide with the fuchsin solution.

[0029] A filtering mechanism is arranged on one side of the fragment crushing tank 2 for filtering the sulfur dioxide after detection. The filtering mechanism includes a filter box 9, four filter screens 15 and a box cover 14. The bottom of the filter box 9 is fixedly connected to the top of the No. 2 plate 8. The four filter screens 15 are all fixedly arranged inside the same filter box 9 by bolts. A No. 3 pipe is fixedly connected to one side of the filter box 9. One end of the No. 3 pipe is interconnected with the detection bottle 7. Exhaust pipes for exhaust are arranged on the front and rear sides of the filter box 9. The material of the four filter screens 15 is set to activated carbon material. The box cover 14 is fixedly arranged on the filter box 9 by bolts. A sealing gasket is arranged between the box cover 14 and the filter box 9. Sulfur dioxide enters the filter box 9 through the No. 3 pipe, is filtered by the filter screen 15 made of activated carbon material, and is finally discharged through the exhaust pipe.

[0030] The present application can be used in the field of food testing, and can also be used in other fields applicable to the present application.

[0031] Embodiment 2

[0032] refer to Figure 1-Figure 4 , improved on the basis of the first embodiment:

[0033] A placement groove is provided at the top of the bottom plate 3, and a plurality of heating tubes 11 for heating the crushing tank 2 are fixedly arranged inside the placement groove. A top plate 10 is fixedly connected to the inner wall of the placement groove by bolts, and the top of the top plate 10 is fixedly connected to the bottom of the crushing tank 2. The crushing tank 2 is heated by the heating tubes 11 to increase the volatilization rate of sulfur dioxide.

[0034] A colorimetric plate 16 for comparing the color of the magenta solution inside the detection bottle 7 is fixedly connected to the top of the second plate 8. A plurality of colorimetric cards of different colors are fixedly arranged on the colorimetric plate 16. The content of sulfur dioxide is judged by comparing the color of the magenta solution in the detection bottle 7 with the color of the colorimetric cards on the colorimetric plate 16.

[0035] However, as is well known to those skilled in the art, the working principles and wiring methods of the motor 4 and the air pump are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience. The motor 4 and the air pump are connected to the external controller via wireless signals, and are powered by lines and external power supplies.

[0036] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A device for detecting sulfur dioxide in food, characterized in that: It comprises a crushing tank (2) and a bottom plate (3), wherein a tank cover (1) is arranged on the top of the crushing tank (2), the bottom of the crushing tank (2) is fixedly connected to the top of the bottom plate (3), a water supply pipe is arranged on one side of the crushing tank (2), and a No. 1 pipe for detection is arranged on the other side of the crushing tank (2), and a one-way valve for preventing back suction is fixedly arranged on the No. 1 pipe; A crushing mechanism, which is arranged on the crushing tank (2) and is used to crush food; A detection mechanism, which is arranged on one side of the crushing tank (2) and is used to detect sulfur dioxide; A filtering mechanism is arranged on one side of the tablet crushing tank (2) and is used for filtering the sulfur dioxide after detection.

2. The device for detecting sulfur dioxide in food according to claim 1, characterized in that: The crushing mechanism comprises a motor (4), a crushing column (12) and a plurality of crushing blades (13); the bottom of the motor (4) is fixedly connected to the top of the tank cover (1) by bolts; the output end of the motor (4) passes through the top of the tank cover (1) and is fixedly connected to one end of the crushing column (12); the output end of the motor (4) is rotatably connected to the tank cover (1); one end of the crushing column (12) is rotatably connected to the bottom of the tank cover (1); the plurality of crushing blades (13) are respectively fixedly arranged on the same crushing column (12); and the plurality of crushing blades (13) and the crushing column (12) are both located inside the crushing tank (2).

3. The device for detecting sulfur dioxide in food according to claim 1, characterized in that: The detection mechanism comprises a pump box (5), a detection bottle (7), a first plate (6) and a second plate (8), one side of the first plate (6) and the second plate (8) are respectively fixedly connected to the outer sides of the crushing tank (2) and the bottom plate (3), the bottom of the pump box (5) is fixedly connected to the top of the first plate (6), the interior of the pump box (5) is fixedly provided with an air suction pump for sucking out the sulfur dioxide in the crushing tank (2) by bolts, the air inlet end of the air suction pump is fixedly connected to one end of the first pipe, the air outlet end of the air suction pump is fixedly connected to the second pipe, the second pipe penetrates the inner wall of one side of the pump box (5) and is connected to the detection bottle (7), the interior of the detection bottle (7) is filled with a fuchsin solution, the outer side of the detection bottle (7) is fixedly provided with a liquid discharge pipe and a liquid addition pipe, and the detection bottle (7) is fixedly provided on the top of the second plate (8).

4. The device for detecting sulfur dioxide in food according to claim 1, characterized in that: The filtering mechanism comprises a filter box (9), four filter screens (15) and a box cover (14); the bottom of the filter box (9) is fixedly connected to the top of the No. 2 plate (8); the four filter screens (15) are fixedly arranged inside the same filter box (9) by means of bolts; a No. 3 pipe is fixedly connected to one side of the filter box (9); one end of the No. 3 pipe is communicated with the detection bottle (7); exhaust pipes for exhaust are arranged on the front and rear sides of the filter box (9); the material of the four filter screens (15) is set to activated carbon material; the box cover (14) is fixedly arranged on the filter box (9) by means of bolts; a sealing gasket is arranged between the box cover (14) and the filter box (9).

5. The device for detecting sulfur dioxide in food according to claim 1, characterized in that: A placement groove is provided on the top of the bottom plate (3), and a plurality of heating tubes (11) for heating the crushing tank (2) are fixedly arranged inside the placement groove. A top plate (10) is fixedly connected to the inner wall of the placement groove by bolts, and the top of the top plate (10) is fixedly connected to the bottom of the crushing tank (2).

6. The device for detecting sulfur dioxide in food according to claim 4, characterized in that: A colorimetric plate (16) for comparing the color of the fuchsin solution inside the detection bottle (7) is fixedly connected to the top of the second plate (8), and a plurality of colorimetric cards of different colors are fixedly arranged on the colorimetric plate (16).

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