Urea finished product filtering equipment

Abstract

The utility model relates to the technical field of urea, and discloses urea finished product filtering equipment which comprises a box body, a cleaning assembly and a filtering assembly, a rotating motor is fixedly installed on one side of the box body, a filtering net is arranged at the bottom of a screw rod, one end of the filtering net is fixedly connected to the inner wall of the box body, and a partition plate is arranged on the outer side of a center shaft of the screw rod in a sleeved mode. The bottom of the partition plate is fixedly connected with a filter plate, one side of the screw rod is fixedly connected with a disc, the surface of the disc is fixedly connected with a limiting column, the limiting column is in sliding connection in a limiting ring, and the four corners of the bottom of the activated carbon filter layer are fixedly connected with spring assemblies. And a rotating shaft is rotationally connected into the cam. After impurities in the filter screen are guided onto the filter plate through the screw rod, the screw rod rotates to enable the scraper to push the impurities on the filter plate into the collecting box through the disc and the limiting ring, and cleaning and collecting of the impurities are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of urea, in particular to a urea finished product filtering device. Background Art

[0002] Urea, also known as carbamide, has a chemical formula of CH4N2O or CO(NH2)2. It is an organic compound composed of carbon, nitrogen, oxygen and hydrogen. It is a white crystal. It is one of the simplest organic compounds and the main nitrogen-containing end product of protein metabolism and decomposition in mammals and some fish. In short, urea is an organic compound with a wide range of uses, playing an important role in biological metabolism, agricultural production and industrial manufacturing.

[0003] For example, Chinese patent CN206660718U discloses a filtering device for automotive urea production. In this solution, a liquid inlet pipe is inserted through the left side of the top of the filter box, the bottom of the liquid inlet pipe extends to the bottom of the inner cavity of the filter box, and a liquid discharge device is arranged at the bottom of the liquid inlet pipe. A filter cylinder is arranged at the center of the inner cavity of the filter box, a filter plate is arranged on the top of the filter cylinder, an overflow disk is arranged on the top of the inner cavity of the filter box, and overflow pipes are evenly arranged at the bottom of the overflow disk. The device has a simple structure and is easy to operate. The unpowered fan blades perform slight stirring operation with the flow of the solution to increase the hydrolysis efficiency of the urea solution. The heating device electrically connected to the control device keeps the temperature in the filter box at 70-75°C, maintaining the temperature required for the hydrolysis of the industrial urea solution. The filter cylinder and the filter plate filter impurities in the urea solution, which has a certain use value.

[0004] However, in the above disclosed technical solution, although the unpowered fan blades perform a slight stirring operation with the flow of the solution to increase the hydrolysis efficiency of the urea solution, the heating device electrically connected to the control device maintains the temperature in the filter box at 70-75°C, maintaining the temperature required for the hydrolysis of the industrial urea solution, and the filter cylinder and the filter plate filter the impurities in the urea solution, which has a certain use value, the device cannot filter the odor of the urea solution, and the impurities on the filter net are not convenient to be cleaned and form accumulation. Therefore, it is necessary for us to propose a urea finished product filtering device to solve the above problems. Utility Model Content

[0005] In order to solve the above problems, the utility model provides a urea finished product filtering device.

[0006] A urea finished product filtering device comprises a box body, a cleaning component and a filtering component, wherein the top of the box body is connected to a funnel, a rotating motor is fixedly installed on one side of the box body, the bottom of one side of the box body is connected to a water outlet pipe, waste troughs are symmetrically provided on both sides of the box body, two symmetrically arranged collecting boxes are slidably provided on the outer side of the box body, a sloped triangular plate is fixedly provided on the bottom of the inner side of the box body, a fixing plate is fixedly connected to the top end of the inner side of the box body, two symmetrically arranged fixing blocks are fixedly connected to the two sides of the fixing plate, the insides of the two fixing blocks are slidably connected to sliding columns, one side of the two sliding columns is fixedly connected to a limiting ring, the bottom of the limiting ring is fixedly connected to a connecting rod, and the bottom of the connecting rod is fixedly connected to a scraper.

[0007] The cleaning assembly includes a spiral rod, a filter screen is provided at the bottom of the spiral rod, one end of the filter screen is fixedly connected to the inner wall of the box, a partition is sleeved on the outer side of the central axis of the spiral rod, a groove for connecting the filter screen is opened on the partition, a filter plate is fixedly connected to the bottom of the partition, one side of the filter plate is fixedly connected to the inner wall of the box, a disc is fixedly connected to one side of the spiral rod, a limiting column is fixedly connected to the surface of the disc, and the limiting column is slidably connected to the inside of the limiting ring.

[0008] The filter assembly includes an activated carbon filter layer and two cams arranged on the left and right. The four corners of the bottom of the activated carbon filter layer are fixedly connected with spring assemblies. One side of the spring assembly is fixedly connected to the inner wall of the box. The internal rotation of the cam is connected with a rotating shaft. One end of the rotating shaft is connected to the output shaft of the rotating motor. The rotating shaft and the central axis of the screw rod are connected through a transmission belt.

[0009] As a further improvement of the above solution, the length of the scraper is matched with the length of the filter plate, and the scraper abuts against the surface of the filter plate.

[0010] As a further improvement of the above solution, the filter screen is provided in an arc-shaped plate structure, and the outer side of the spiral rod fits with the inner side of the filter screen.

[0011] As a further improvement of the above solution, the groove opened inside the partition is adapted to the curvature of the filter screen, and the top of the partition is fixedly connected to the inner wall of the box body.

[0012] As a further improvement of the above solution, the two waste troughs are respectively arranged on the front and back of the filter plate.

[0013] As a further improvement of the above solution, two supporting blocks are symmetrically arranged on both sides of the bottom of the box.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The utility model realizes filtering of impurities in urea finished product by arranging a filter at a position corresponding to the funnel. The arranged filter can retain the filtered impurities inside it, and cooperates with the arranged spiral rod to rotate, so as to introduce the filtered impurities and foreign matters into the filter plate, thereby realizing the cleaning of the filter and avoiding the accumulation of a large number of impurities on the filter, thereby preventing the filter from being blocked, which is beneficial to improving the filtering efficiency of the device.

[0016] 2. The utility model uses an activated carbon filter layer, so that the activated carbon filter layer can absorb the odor in the urea solution.

[0017] 3. Through the use of the spiral rod, the limit ring and the scraper, after the spiral rod guides the impurities in the filter screen onto the filter plate, the rotation of the spiral rod can pass through the disc and the limit ring, allowing the scraper to push the impurities on the filter plate into the collection box, which facilitates the cleaning and collection of impurities. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the box body of the utility model;

[0020] Figure 3 It is a schematic diagram of the spiral rod, cam and filter plate of the utility model;

[0021] Figure 4 It is a schematic diagram of the disc and the fixing plate of the utility model;

[0022] Description of main symbols:

[0023] 1. Box body; 2. Funnel; 3. Rotating motor; 4. Support block; 5. Water outlet pipe; 6. Waste trough; 7. Collection box; 8. Activated carbon filter layer; 9. Spring assembly; 10. Screw rod; 11. Triangular plate; 12. Filter screen; 13. Filter plate; 14. Partition plate; 15. Rotating shaft; 16. Cam; 17. Transmission belt; 18. Fixed plate; 19. Disc; 20. Fixed block; 21. Sliding column; 22. Limiting ring; 23. Limiting column; 24. Connecting rod; 25. Scraper. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0025] Embodiment 1:

[0026] Please combine Figure 1-4A urea finished product filtering device of the present embodiment includes a box body 1, a funnel 2 is connected to the top of the box body 1, a rotating motor 3 is fixedly installed on one side of the box body 1, two support blocks are symmetrically arranged on both sides of the bottom of the box body 1, and the two support blocks 4 are fixedly connected to the box body 1 for supporting the box body 1. The bottom of one side of the box body 1 is connected to a water outlet pipe 5, and a control valve is installed on the water outlet pipe 5. Waste troughs 6 are symmetrically opened on both sides of the box body 1, and the two waste troughs 6 are respectively arranged on the front and back sides of the filter plate 13. Two symmetrically arranged collecting boxes 7 are slidably arranged on the outer side of the box body 1, and the collecting boxes 7 are slidably arranged in the installation groove opened on the surface of the box body 1 through a slider, and the two collecting boxes 7 are arranged at the bottom of the waste trough 6 for collecting waste scraped out of the waste trough 6. A sloped triangular plate 11 is fixedly provided at the bottom of the inner side of the box body 1, a fixed plate 18 is fixedly connected to the top of the inner side of the box body 1, and two symmetrically arranged fixed blocks 20 are fixedly connected to the two sides of the fixed plate 18, and the two fixed blocks 20 are internally slidably connected to sliding columns 21, and one side of the two sliding columns 21 is fixedly connected to a limiting ring 22, and a connecting rod 24 is fixedly connected to the bottom of the limiting ring 22, and a scraper 25 is fixedly connected to the bottom of the connecting rod 24. The length of the scraper 25 is adapted to the length of the filter plate 13, and the scraper 25 abuts against the surface of the filter plate 13. When the scraper 25 moves, it can push the impurities to the front and back of the filter plate 13. As the impurities are pushed to accumulate, the impurities will fall into the collection box 7 for cleaning and collection.

[0027] The cleaning component can clean the impurities generated when the urea solution is discharged, and the cleaning component includes a spiral rod 10, a filter screen 12 with an arc-shaped plate structure is arranged at the bottom of the spiral rod 10, the outer side of the spiral rod 10 is fitted with the inner side of the filter screen 12, and the funnel 2 is located on the right side of the top of the filter screen 12. One end of the filter screen 12 is fixedly connected to the inner wall of the box body 1, and a partition 14 is sleeved on the outer side of the central axis of the spiral rod 10. The top of the partition 14 is fixedly connected to the inner wall of the box body 1. The partition 14 A groove is provided on the top for connecting the filter screen 12, the groove provided inside the partition 14 is adapted to the curvature of the filter screen 12, the bottom of the partition 14 is fixedly connected with a filter plate 13, one side of the filter plate 13 is fixedly connected to the inner wall of the box body 1, and one side of the spiral rod 10 is fixedly connected with a disc 19, and the surface of the disc 19 is fixedly connected with a limiting column 23, the limiting column 23 is slidably connected to the inside of the limiting ring 22, and the limiting column 23 is fixedly connected to the eccentric part of the disc 19, so that the limiting column 23 can make a circular motion.

[0028] A filter assembly capable of filtering the odor of a finished urea solution, the filter assembly comprising an activated carbon filter layer 8 and two cams 16 arranged on the left and right, the four bottom corners of the activated carbon filter layer 8 being fixedly connected with spring assemblies 9, the spring assembly 9 being composed of a spring and a connecting block, the spring being connected to the activated carbon filter layer 8, and the surface of the connecting block being fixedly connected to the inner wall of a casing 1, one side of the spring assembly 9 being fixedly connected to the inner wall of the casing 1, the interior of the cam 16 being rotatably connected with a rotating shaft 15, one end of the rotating shaft 15 being connected to the output shaft of a rotating motor 3, the rotating shaft 15 and the central axis of the screw rod 10 being connected through a transmission belt 17.

[0029] The implementation principle of a urea product filtering device in the embodiment of the present application is as follows: a urea solution is poured from a funnel 2 onto a filter screen 12, and the urea solution filtered by the filter screen 12 falls on an activated carbon filter layer 8, and impurities remaining on the filter screen 12 are transported to a filter plate 13 by a screw rod 10 to clean the filter screen 12 and avoid clogging of the filter screen 12, and the impurities transported to the filter plate 13 are driven by the screw rod 10 to rotate, thereby driving a limiting column 23 on a disc 19 to move in a limiting ring 22, so that a scraper 25 moves back and forth on the filter plate 13, and the scraper 25 scrapes the impurities on the filter plate 13 and discharges them into a collection box 7 through a waste trough 6, and the urea solution falling on the activated carbon filter layer 8 vibrates on the activated carbon filter layer 8 due to the movement of a cam 16, thereby better filtering the odor of the urea solution, and the filtered urea product falls on a sloped triangular plate 11 and is discharged from a water outlet pipe 5.

[0030] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A urea finished product filtering device, characterized in that: include: A box body (1), the top of the box body (1) is connected to a funnel (2), one side of the box body (1) is fixedly mounted with a rotating motor (3), the bottom of one side of the box body (1) is connected to a water outlet pipe (5), waste troughs (6) are symmetrically provided on both sides of the box body (1), two symmetrically arranged collecting boxes (7) are slidably provided on the outer side of the box body (1), a slope-shaped triangular plate (11) is fixedly provided on the bottom of the inner side of the box body (1), a fixed plate (18) is fixedly connected to the top of the box body (1), two symmetrically arranged fixed blocks (20) are fixedly connected to the two sides of the fixed plate (18), the inside of the two fixed blocks (20) are slidably connected to sliding columns (21), one side of the two sliding columns (21) is fixedly connected to a limiting ring (22), the bottom of the limiting ring (22) is fixedly connected to a connecting rod (24), and the bottom of the connecting rod (24) is fixedly connected to a scraper (25); A cleaning assembly, the cleaning assembly comprising a spiral rod (10), a filter screen (12) being arranged at the bottom of the spiral rod (10), one end of the filter screen (12) being fixedly connected to the inner wall of a casing (1), a partition plate (14) being sleeved on the outer side of the central axis of the spiral rod (10), a groove for connecting the filter screen (12) being provided on the partition plate (14), a filter plate (13) being fixedly connected to the bottom of the partition plate (14), one side of the filter plate (13) being fixedly connected to the inner wall of the casing (1), a disc (19) being fixedly connected to one side of the spiral rod (10), a limiting column (23) being fixedly connected to the surface of the limiting column (23), and the limiting column (23) being slidably connected to the inside of a limiting ring (22); A filter assembly, the filter assembly comprising an activated carbon filter layer (8) and two cams (16) arranged on the left and right, the four corners of the bottom of the activated carbon filter layer (8) being fixedly connected to spring assemblies (9), one side of the spring assembly (9) being fixedly connected to the inner wall of a housing (1), the interior of the cam (16) being rotatably connected to a rotating shaft (15), one end of the rotating shaft (15) being connected to the output shaft of a rotating motor (3), and the rotating shaft (15) and the central axis of a screw rod (10) being connected in transmission via a transmission belt (17).

2. The urea product filtering equipment according to claim 1, characterized in that: The length of the scraper (25) matches the length of the filter plate (13), and the scraper (25) abuts against the surface of the filter plate (13).

3. The urea product filtering equipment according to claim 1, characterized in that: The filter screen (12) is arranged in an arc-shaped plate-like structure, and the outer side of the spiral rod (10) fits with the inner side of the filter screen (12).

4. The urea product filtering equipment according to claim 1, characterized in that: The groove formed inside the partition (14) is adapted to the curvature of the filter screen (12), and the top of the partition (14) is fixedly connected to the inner wall of the box body (1).

5. The urea product filtering equipment according to claim 1, characterized in that: The two waste troughs (6) are respectively arranged on the front and back sides of the filter plate (13).

6. The urea product filtering equipment according to claim 1, characterized in that: Two supporting blocks (4) are symmetrically arranged on both sides of the bottom of the box body (1).

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