Suction filtration device for food additive detection

Abstract

The utility model relates to the field of food additive detection, and provides a suction filtration device for food additive detection, which comprises an upper pipe, a lower pipe mounted at the bottom of the upper pipe, a filter screen fixedly mounted in the middle of the inner side of the upper pipe, a scraper rotatably mounted in the middle of the inner side of the upper pipe, and mounted above the filter screen. The scraping plate is rotationally installed above the filter screen, the scraping plate can continuously scrape impurities on the filter screen, the impurities are prevented from being accumulated at the position of a screen opening, meanwhile, the air pump is used for working, and the air pump is used for driving the filter screen to rotate. The internal pressure of the upper pipe is increased and the filtering efficiency is improved; the suction filtration device is assembled by a plurality of modules, and is convenient to disassemble and clean the interior.

Description

Technical Field

[0001] The utility model belongs to the field of food additive detection and relates to a suction filtration device for food additive detection. Background Art

[0002] Food additives refer to chemically synthesized or natural substances added to food to improve its quality, color, aroma and taste, as well as for the needs of preservation and processing.

[0003] When testing food additives, a filtration device is used. The filtration device uses a filter to filter impurities. Due to the large volume of impurities, the mesh opening of the filter will be blocked, causing the filtration speed to decrease, thereby reducing the filtration efficiency. At the same time, it is not easy to clean the inside of the filtration device with an integrated structure. Utility Model Content

[0004] The utility model aims to provide a suction filtration device for detecting food additives, which solves the problem that when detecting food additives, a suction filtration device is used. The suction filtration device uses a filter screen to filter impurities. Due to the large volume of impurities, the mesh opening of the filter screen will be blocked, resulting in a decrease in the filtration speed, thereby reducing the suction filtration efficiency. At the same time, it is not easy to clean the interior of the suction filtration device with an integrated structure.

[0005] The technical solution of the utility model is achieved as follows: it comprises an upper tube, a lower tube is installed at the bottom of the upper tube, a filter screen is fixedly installed at the middle part of the inner side of the upper tube, a scraper is rotatably installed at the middle part of the inner side of the upper tube, the scraper is installed above the filter screen, an air pump is connected to the upper part of one end of the upper tube, a filter plate is arranged at the bottom of the upper tube, a water pump is fixedly installed at the outer side of one end of the lower tube, the upper tube, the lower tube and the upper cover are respectively made of stainless steel materials, the filter screen is made of stainless steel material, a plurality of filter holes are arranged on the filter plate, and the filter holes of the filter plate are smaller than the mesh openings of the filter screen.

[0006] As a preferred solution of the utility model, a fixing ring is provided on the top of the outer side of the upper tube, and the fixing ring is fixed with an upper cover by bolts. The fixing ring and the upper tube are an integral structure formed by casting, and a threaded hole is provided on the fixing ring.

[0007] As a preferred solution of the utility model, a motor is fixedly installed in the middle of the top surface of the upper cover, a rotating shaft is fixedly installed on the rotating shaft of the motor, a scraper is fixedly installed on the bottom of the rotating shaft, a switch is fixedly installed at one end of the top surface of the upper cover, a feed port is fixedly installed on the top of the switch, a heat dissipation channel is provided on the circumferential outer side of the motor, which can increase the contact area with the air and accelerate the heat dissipation, and the switch is a solenoid valve.

[0008] As a preferred solution of the utility model, a support ring is fixedly installed in the middle part of the inner side of the upper tube, and a filter screen is fixedly installed on the support ring by bolts. A threaded hole is provided on the support ring, and the support ring is fixedly installed in the middle part of the inner side of the upper tube by welding.

[0009] As a preferred solution of the utility model, a lower connecting ring is provided at the bottom of the upper tube, and the lower connecting ring is fixed with an upper connecting ring by bolts. The upper connecting ring is provided at the upper part of the outer side of the lower tube, and the upper connecting ring and the lower tube are an integrated structure, and a threaded hole is provided on the upper connecting ring.

[0010] As a preferred solution of the utility model, a pressure relief valve is fixedly installed on the other end of the outer side of the lower tube, and the pressure relief valve is in a normally open state.

[0011] As a preferred solution of the utility model, an air inlet is fixedly installed on one side of the air pump, an exhaust pipe is fixedly installed on the other side of the air pump, a valve body is fixedly installed in the middle of the exhaust pipe, and motor 2 is fixedly installed on the top of the air pump. A heat dissipation channel is provided on the outer side of the circumference of motor 2, which can increase the contact area with the air and accelerate heat dissipation.

[0012] As a preferred solution of the utility model, a suction pipe is fixedly installed on one side of the water pump, and an extraction pipe is fixedly installed on the other side of the water pump. The suction pipe is made of stainless steel, and the distance between its bottom surface and the inner bottom surface of the lower tube is 0.5 cm.

[0013] The utility model discloses a suction filtration device for detecting food additives with beneficial effects: a scraper is rotatably installed above the filter screen, and the scraper can continuously scrape impurities on the filter screen to prevent the impurities from accumulating at the mesh opening, and at the same time, an air pump is used to increase the internal pressure of the upper tube to improve the filtering efficiency; the suction filtration device is assembled into multiple modules, which is convenient for disassembly and cleaning the interior. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an overall structural diagram of an embodiment of the utility model;

[0015] Figure 2 This is an enlarged structural diagram of point A of an embodiment of the utility model;

[0016] Figure 3 This is an enlarged structural diagram of location B of an embodiment of the utility model;

[0017] Figure 4 This is an enlarged structural diagram of position C of an embodiment of the utility model;

[0018] Figure 5 It is a structural diagram of an air pump according to an embodiment of the utility model;

[0019] Figure 6 This is a structural diagram of a water pump according to an embodiment of the utility model;

[0020] In the figure: 1. upper tube; 2. lower tube; 3. upper cover; 4. switch; 5. feed port; 6. motor one; 7. rotating shaft; 8. filter screen; 9. scraper; 10. filter plate; 11. pressure relief valve; 12. air pump; 13. water pump; 14. air inlet; 15. exhaust pipe; 16. valve body; 17. extraction pipe; 18. extraction pipe; 19. fixing ring; 20. bolt; 21. lower connecting ring; 22. upper connecting ring; 23. support ring; 24. motor two. DETAILED DESCRIPTION

[0021] like Figures 1 to 6 As shown, the utility model discloses a suction filtration device for detecting food additives, and the technical scheme adopted is, comprising an upper tube 1, a lower tube 2 is installed at the bottom of the upper tube 1, a filter screen 8 is fixedly installed at the middle part of the inner side of the upper tube 1, a scraper 9 is rotatably installed at the middle part of the inner side of the upper tube 1, the scraper 9 is installed above the filter screen 8, an upper part of one end of the upper tube 1 is connected with an air pump 12, a filter plate 10 is arranged at the bottom of the upper tube 1, a water pump 13 is fixedly installed at the outer side of one end of the lower tube 2, the utility model is rotatably installed above the filter screen 8, the scraper 9 can continuously scrape the impurities on the filter screen 8 to prevent the impurities from accumulating at the mesh mouth, and at the same time, the air pump 12 is used to increase the internal pressure of the upper tube 1, thereby improving the filtration efficiency; the suction filtration device is assembled into multiple modules, which is convenient for disassembly and cleaning the inside.

[0022] A fixing ring 19 is provided at the top of the outer side of the upper tube 1 , and the fixing ring 19 is fixedly mounted with the upper cover 3 by bolts 20 . The upper cover 3 is fixed to the fixing ring 19 by bolts 20 , so that the upper cover 3 and the upper tube 1 can be fixedly connected.

[0023] A motor 6 is fixedly installed in the middle of the top surface of the upper cover 3, a rotating shaft 7 is fixedly installed on the rotating shaft of the motor 6, a scraper 9 is fixedly installed on the bottom of the rotating shaft 7, a switch 4 is fixedly installed at one end of the top surface of the upper cover 3, and a feed port 5 is fixedly installed on the top of the switch 4. The motor 6 rotates to rotate the rotating shaft 7, which is used to rotate the scraper 9 to scrape impurities on the filter screen 8. The switch 4 is used to control the opening and closing of the feed port 5.

[0024] A support ring 23 is fixedly installed in the middle of the inner side of the upper tube 1 , and a filter screen 8 is fixedly installed on the support ring 23 by bolts 20 . The filter screen 8 is fixed to the support ring 23 by bolts 20 , so as to fix the filter screen 8 on the inner side of the upper tube 1 .

[0025] A lower connecting ring 21 is provided at the bottom of the upper tube 1, and an upper connecting ring 22 is fixedly installed on the lower connecting ring 21 by bolts 20. The upper connecting ring 22 is provided at the upper part of the outer side of the lower tube 2, and the upper connecting ring 22 is connected to the lower connecting ring 21 by bolts 20, and is used for connecting the upper tube 1 and the lower tube 2.

[0026] A pressure relief valve 11 is fixedly installed at the other end of the outer side of the lower tube 2. The pressure relief valve 11 is used to release the internal pressure of the lower tube 2 to prevent the internal pressure of the suction filtration device from being too high.

[0027] An air inlet 14 is fixedly installed on one side of the air pump 12, an exhaust pipe 15 is fixedly installed on the other side of the air pump 12, a valve body 16 is fixedly installed in the middle of the exhaust pipe 15, and a motor 24 is fixedly installed on the top of the air pump 12. When the air pump 12 works, external air enters the exhaust pipe 15 from the air inlet 14 and enters the upper tube 1. The valve body 16 is used to control the on-off of the exhaust pipe 15.

[0028] An intake pipe 18 is fixedly installed on one side of the water pump 13 , and an extraction pipe 17 is fixedly installed on the other side of the water pump 13 . The intake pump 18 is used to draw the filtered mixed liquid inside the lower tube 2 into the intake pipe 18 and finally extract it from the extraction pipe 17 .

[0029] The working principle of the suction filtration device for detecting food additives is as follows: when the suction filtration device for detecting food additives is used, the control switch 4 is turned on to open the feed port 5, and the raw materials to be detected are put into the feed port 5. After putting them in, the switch 4 is closed, the motor 1 6 is turned on to rotate the rotating shaft 7, the scraper 9 rotates, and the impurities on the filter screen 8 are scraped. The valve body 16 is opened, the air pump 12 works, the upper motor 24 rotates, the fan blades rotate, and the external air enters the exhaust pipe 15 from the air inlet 14 and enters the upper tube 1, so that the pressure in the upper tube 1 is increased, and the filtering of the raw material mixture by the filter screen 8 is accelerated. After that, the liquid mixture falls to the lower inner part of the upper official 1, the filter plate 10 filters, and falls from the funnel into the lower tube 2. The suction pump 18 works to draw the filtered mixed liquid inside the lower tube 2 from the suction pipe 18, and finally draws it out from the extraction pipe 17; when cleaning the suction filtration device, the upper cover 3, the upper tube 1 and the lower tube 2 are disassembled, and the filter screen 8 inside the upper tube 1 is disassembled to separate the components.

[0030] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A suction filtration device for detecting food additives, characterized in that: The invention comprises an upper tube (1), a lower tube (2) being installed at the bottom of the upper tube (1), a filter screen (8) being fixedly installed at the middle of the inner side of the upper tube (1), a scraper (9) being rotatably installed at the middle of the inner side of the upper tube (1), the scraper (9) being installed above the filter screen (8), an air pump (12) being connected to the upper part of one end of the upper tube (1), a filter plate (10) being arranged at the bottom of the upper tube (1), and a water pump (13) being fixedly installed at the outer side of one end of the lower tube (2).

2. A food additive detection filtration device according to claim 1, characterized in that: A fixing ring (19) is provided on the top of the outer side of the upper tube (1), and the fixing ring (19) is fixedly mounted with an upper cover (3) via bolts (20).

3. A food additive detection filtration device according to claim 2, characterized in that: A motor (6) is fixedly mounted in the middle of the top surface of the upper cover (3); a rotating shaft (7) is fixedly mounted on the rotating shaft of the motor (6); a scraper (9) is fixedly mounted on the bottom of the rotating shaft (7); a switch (4) is fixedly mounted on one end of the top surface of the upper cover (3); and a feed port (5) is fixedly mounted on the top of the switch (4).

4. A food additive detection filtration device according to claim 1, characterized in that: A support ring (23) is fixedly installed in the middle of the inner side of the upper tube (1), and a filter screen (8) is fixedly installed on the support ring (23) via bolts (20).

5. A food additive detection filtration device according to claim 1, characterized in that: A lower connecting ring (21) is arranged at the bottom of the upper tube (1), and an upper connecting ring (22) is fixedly mounted on the lower connecting ring (21) by means of bolts (20), and the upper connecting ring (22) is arranged at the upper part of the outer side of the lower tube (2).

6. A food additive detection filtration device according to claim 1, characterized in that: A pressure relief valve (11) is fixedly mounted on the other end of the outer side of the lower tube (2).

7. A food additive detection filtration device according to claim 1, characterized in that: An air inlet (14) is fixedly mounted on one side of the air pump (12), an exhaust pipe (15) is fixedly mounted on the other side of the air pump (12), a valve body (16) is fixedly mounted in the middle of the exhaust pipe (15), and a second motor (24) is fixedly mounted on the top of the air pump (12).

8. A food additive detection filtration device according to claim 1, characterized in that: An intake pipe (18) is fixedly mounted on one side of the water pump (13), and an exhaust pipe (17) is fixedly mounted on the other side of the water pump (13).

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