High-purity vehicle urea filtering device

Abstract

The utility model discloses a high-purity vehicle urea filtering device which comprises a filtering tank, the top surface of the filtering tank is fixedly connected with a cover plate, the inner wall of the cover plate is fixedly connected with a liquid inlet pipe, the inner wall of the filtering tank is fixedly connected with a first filtering net, a urea solution is injected into the liquid inlet pipe, a smashing assembly is started to smash urea agglomerates in the solution, and the first filtering net is fixedly connected with a second filtering net. The stirring mechanism is started to prevent large-volume impurities in the solution from blocking the first filter screen, meanwhile, the mixing degree of the crushed urea and ultrapure water is increased, the solution is filtered for multiple times through the first filter screen, the quartz sand filter layer, the second filter screen and the activated carbon filter layer, the purity is improved, and the filtered urea solution for the vehicle can be discharged by starting the liquid discharging assembly. According to the vehicle urea solution crushing device, the aim of conveniently improving the mixing degree of urea and ultrapure water through crushing is achieved, and the problem that the purity and the production quality of the vehicle urea solution are greatly reduced due to the fact that urea cakes exist in the vehicle urea solution and are filtered out during filtering is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle urea production, in particular to a high-purity vehicle urea filtering device. Background Art

[0002] Automotive urea is a necessary product for heavy-duty diesel vehicles to meet the National IV emission standards. Automotive urea refers to a urea aqueous solution with a urea concentration of 32.5% and ultrapure water as the solvent. The raw materials are special raw materials for automotive urea and ultrapure water. Automotive urea is purified from industrial urea, so its purity is higher than that of general urea.

[0003] When producing automotive urea, urea must first be mixed with ultrapure water, and then filtered to eliminate impurities in the solution to improve purity. However, during the mixing process of urea with ultrapure water, urea is easy to agglomerate, which will cause the unmixed urea to agglomerate and filter out during filtration, resulting in a decrease in the purity of the automotive urea solution, greatly reducing the production quality of automotive urea. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a high-purity vehicle urea filtering device, which is used to solve the problems raised in the above background technology.

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

[0006] A high-purity automotive urea filtering device comprises a filter tank, a cover plate is fixedly connected to the top surface of the filter tank, a liquid inlet pipe is fixedly connected to the inner wall of the cover plate, a first filter screen is fixedly connected to the inner wall of the filter tank, a quartz sand filter layer is fixedly connected to the inner wall of the filter tank, a second filter screen is fixedly connected to the inner wall of the filter tank, an activated carbon filter layer is fixedly connected to the inner wall of the filter tank, a supporting mechanism is arranged on the surface of the filter tank, a liquid discharge assembly is arranged inside the filter tank, a stirring mechanism is arranged on the top surface of the cover plate, and a crushing assembly is arranged on the surface of the liquid inlet pipe.

[0007] Preferably, the support mechanism consists of a fixing ring and a support column, the fixing ring is fixedly connected to the surface of the filter tank, the support column is fixedly connected to the bottom surface of the fixing ring, and the inner wall of the support column is fixedly connected to the surface of the filter tank.

[0008] Preferably, the drainage assembly consists of a drainage pipe and a valve, the drainage pipe is fixedly connected to the inner wall of the filter tank, and the valve is fixedly connected to the inner wall of the drainage pipe.

[0009] Preferably, the stirring mechanism consists of a first servo motor, a fixed shaft and an inclined plate, the first servo motor is fixedly connected to the top surface of the cover plate, and the output end of the first servo motor is rotatably connected to the inner wall of the cover plate, the fixed shaft is fixedly connected to the output end of the first servo motor, and the fixed shaft is rotatably connected to the inner wall of the cover plate, and the inner wall of the inclined plate is fixedly connected to the surface of the fixed shaft.

[0010] Preferably, the crushing assembly consists of a fixed seat, a second servo motor, a rotating shaft, a fixed frame and a crushing tool, the fixed seat is fixedly connected to the surface of the liquid inlet pipe, the second servo motor is fixedly connected to the inner wall of the fixed seat, the rotating shaft is fixedly connected to the output end of the second servo motor, and the rotating shaft is rotatably connected to the inner wall of the liquid inlet pipe, the fixed frame is fixedly connected to the inner wall of the liquid inlet pipe, and the inner wall of the fixed frame is rotatably connected to the surface of the rotating shaft, and the crushing tool is fixedly connected to the surface of the rotating shaft.

[0011] Preferably, the cover plate is circular in shape and is made of metal material.

[0012] Preferably, there are multiple inclined plates, and all of the multiple inclined plates are located on the surface of the fixed shaft.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the high-purity automotive urea filtering device injects urea solution into the liquid inlet pipe, starts the crushing component to crush urea agglomerates in the solution, starts the stirring mechanism to prevent large-volume impurities in the solution from clogging the first filter screen, and at the same time increases the mixing degree of the crushed urea and ultrapure water, filters the solution multiple times through the first filter screen, the quartz sand filter layer, the second filter screen and the activated carbon filter layer to improve the purity, and opens the liquid discharge component to discharge the filtered automotive urea solution; the goal of facilitating the improvement of the mixing degree of urea and ultrapure water by crushing is achieved, and the problem of filtering out urea agglomerates during filtration due to the presence of urea agglomerates in the automotive urea solution is avoided, thereby greatly reducing the purity of the automotive urea solution and the production quality problem. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 This is a front cross-sectional view of the structure of the utility model;

[0016] Figure 3 This is an enlarged view of the structure A of the utility model.

[0017] In the figure: 1. filter tank; 2. cover plate; 3. liquid inlet pipe; 4. first filter screen; 5. quartz sand filter layer; 6. second filter screen; 7. activated carbon filter layer; 8. fixed ring; 9. support column; 10. drain pipe; 11. valve; 12. first servo motor; 13. fixed shaft; 14. inclined plate; 15. fixed seat; 16. second servo motor; 17. rotating shaft; 18. fixed frame; 19. crushing tool. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Reference Figure 1-3A high-purity automotive urea filtering device comprises a filter tank 1, a cover plate 2 is fixedly connected to the top surface of the filter tank 1, the cover plate 2 is round in shape, and the cover plate 2 is made of metal material. The cover plate 2 made of metal material has higher strength, is not easy to deform and damage after being subjected to force, and is more durable. A liquid inlet pipe 3 is fixedly connected to the inner wall of the cover plate 2, a first filter screen 4 is fixedly connected to the inner wall of the filter tank 1, a quartz sand filter layer 5 is fixedly connected to the inner wall of the filter tank 1, a second filter screen 6 is fixedly connected to the inner wall of the filter tank 1, an activated carbon filter layer 7 is fixedly connected to the inner wall of the filter tank 1, and a supporting mechanism is arranged on the surface of the filter tank 1, and the supporting mechanism consists of a fixing ring 8 and a supporting column 9, the fixing ring 8 is fixedly connected to the surface of the filter tank 1, the supporting column 9 is fixedly connected to the bottom surface of the fixing ring 8, and the inner wall of the supporting column 9 is fixedly connected to the filter tank 1. The filter tank 1 is fixedly connected on the surface to support the filter tank 1, thereby improving the stability of the filter tank 1. A drainage assembly is arranged inside the filter tank 1, and the drainage assembly consists of a drainage pipe 10 and a valve 11. The drainage pipe 10 is fixedly connected to the inner wall of the filter tank 1, and the valve 11 is fixedly connected to the inner wall of the drainage pipe 10, for discharging the filtered urea solution and facilitating the sealing of the filter tank 1. A stirring mechanism is arranged on the top surface of the cover plate 2, and the stirring mechanism consists of a first servo motor 12, a fixed shaft 13 and an inclined plate 14. There are multiple inclined plates 14, and the multiple inclined plates 14 are all located on the surface of the fixed shaft 13, for stirring the solution, thereby improving the stirring efficiency. The first servo motor 12 is fixedly connected to the top surface of the cover plate 2, and the output end of the first servo motor 12 rotates with the inner wall of the cover plate 2. The fixed shaft 13 is fixedly connected to the output end of the first servo motor 12, and the fixed shaft 13 is rotatably connected to the inner wall of the cover plate 2. The inner wall of the inclined plate 14 is fixedly connected to the surface of the fixed shaft 13, which is used to stir the urea solution to prevent large-volume impurities in the solution from clogging the first filter screen 4, and to facilitate mixing urea and ultrapure water. A crushing assembly is arranged on the surface of the liquid inlet pipe 3, and the crushing assembly consists of a fixed seat 15, a second servo motor 16, a rotating shaft 17, a fixed frame 18 and a crushing tool 19. The fixed seat 15 is fixedly connected to the surface of the liquid inlet pipe 3, the second servo motor 16 is fixedly connected to the inner wall of the fixed seat 15, the rotating shaft 17 is fixedly connected to the output end of the second servo motor 16, and the rotating shaft 17 is rotatably connected to the inner wall of the liquid inlet pipe 3, and the fixed frame 18 is connected to the The inner wall of the liquid inlet pipe 3 is fixedly connected, and the inner wall of the fixed frame 18 is rotatably connected to the surface of the rotating shaft 17. The crushing tool 19 is fixedly connected to the surface of the rotating shaft 17, and is used to crush urea agglomerates in the solution to prevent urea agglomerates from being filtered out and causing the purity to be easily reduced. The urea solution is injected into the liquid inlet pipe 3, and the crushing component is started to crush the urea agglomerates in the solution. The stirring mechanism is started to prevent large-volume impurities in the solution from clogging the first filter screen 4, and at the same time, the mixing degree of the crushed urea and ultrapure water is increased. The solution is filtered multiple times through the first filter screen 4, the quartz sand filter layer 5, the second filter screen 6 and the activated carbon filter layer 7 to improve the purity. The filtered automotive urea solution can be discharged by opening the drain component, thereby achieving the goal of facilitating the mixing degree of urea and ultrapure water by crushing.This avoids the problem of urea agglomerates in the automotive urea solution being filtered out during filtration, thereby greatly reducing the purity and production quality of the automotive urea solution.

[0020] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0021] When in use: first, inject the automotive urea solution into the liquid inlet pipe 3, and at the same time start the second servo motor 16 to drive the rotating shaft 17 to rotate along the inner wall of the liquid inlet pipe 3, and limit the rotating shaft 17 through the fixed frame 18, and drive the crushing tool 19 to rotate through the rotation of the rotating shaft 17 to crush the urea agglomerates in the solution, and the crushed solution falls to the top surface of the first filter screen 4, and start the first servo motor 12 to drive the fixed shaft 13 to rotate along the inner wall of the cover plate 2, and drive the inclined plate 14 to rotate through the rotation of the fixed shaft 13 to stir the solution to prevent large-volume impurities in the solution from clogging the first filter screen 4, and at the same time increase the mixing degree of the crushed urea and ultrapure water, and the solution flows downward through the first filter screen 4, the quartz sand filter layer 5, the second filter screen 6 and the activated carbon filter layer 7 to filter the impurities in the solution and improve the purity, and the valve 11 is opened to discharge the filtered automotive urea solution through the drain pipe 10.

[0022] In summary, the high-purity automotive urea filtering device injects urea solution into the liquid inlet pipe 3, starts the crushing component to crush the urea agglomerates in the solution, starts the stirring mechanism to prevent large-volume impurities in the solution from clogging the first filter screen 4, and at the same time increases the mixing degree of the crushed urea and ultrapure water. The solution is filtered multiple times through the first filter screen 4, the quartz sand filter layer 5, the second filter screen 6 and the activated carbon filter layer 7 to improve the purity. The filtered automotive urea solution can be discharged by turning on the drain component, thereby achieving the goal of facilitating the improvement of the mixing degree of urea and ultrapure water by crushing, avoiding the problem of urea agglomerates being filtered out during filtration due to the presence of urea agglomerates in the automotive urea solution, thereby greatly reducing the purity of the automotive urea solution and the production quality problem, and is used to solve the problems raised in the above-mentioned background technology.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-purity automotive urea filtering device, comprising a filtering tank (1), characterized in that: The top surface of the filter tank (1) is fixedly connected to a cover plate (2), the inner wall of the cover plate (2) is fixedly connected to a liquid inlet pipe (3), the inner wall of the filter tank (1) is fixedly connected to a first filter screen (4), the inner wall of the filter tank (1) is fixedly connected to a quartz sand filter layer (5), the inner wall of the filter tank (1) is fixedly connected to a second filter screen (6), the inner wall of the filter tank (1) is fixedly connected to an activated carbon filter layer (7), the surface of the filter tank (1) is provided with a supporting mechanism, the interior of the filter tank (1) is provided with a liquid discharge component, the top surface of the cover plate (2) is provided with a stirring mechanism, and the surface of the liquid inlet pipe (3) is provided with a crushing component.

2. A high-purity vehicle urea filtering device according to claim 1, characterized in that: The support mechanism is composed of a fixing ring (8) and a support column (9); the fixing ring (8) is fixedly connected to the surface of the filter tank (1); the support column (9) is fixedly connected to the bottom surface of the fixing ring (8); and the inner wall of the support column (9) is fixedly connected to the surface of the filter tank (1).

3. A high-purity vehicle urea filtering device according to claim 1, characterized in that: The liquid discharge assembly is composed of a liquid discharge pipe (10) and a valve (11); the liquid discharge pipe (10) is fixedly connected to the inner wall of the filter tank (1); and the valve (11) is fixedly connected to the inner wall of the liquid discharge pipe (10).

4. A high-purity vehicle urea filtering device according to claim 1, characterized in that: The stirring mechanism is composed of a first servo motor (12), a fixed shaft (13) and an inclined plate (14); the first servo motor (12) is fixedly connected to the top surface of the cover plate (2), and the output end of the first servo motor (12) is rotatably connected to the inner wall of the cover plate (2); the fixed shaft (13) is fixedly connected to the output end of the first servo motor (12), and the fixed shaft (13) is rotatably connected to the inner wall of the cover plate (2); and the inner wall of the inclined plate (14) is fixedly connected to the surface of the fixed shaft (13).

5. The high-purity vehicle urea filtering device according to claim 1, characterized in that: The pulverizing assembly is composed of a fixed seat (15), a second servo motor (16), a rotating shaft (17), a fixed frame (18) and a pulverizing tool (19); the fixed seat (15) is fixedly connected to the surface of the liquid inlet pipe (3); the second servo motor (16) is fixedly connected to the inner wall of the fixed seat (15); the rotating shaft (17) is fixedly connected to the output end of the second servo motor (16); the rotating shaft (17) is rotatably connected to the inner wall of the liquid inlet pipe (3); the fixed frame (18) is fixedly connected to the inner wall of the liquid inlet pipe (3); the inner wall of the fixed frame (18) is rotatably connected to the surface of the rotating shaft (17); and the pulverizing tool (19) is fixedly connected to the surface of the rotating shaft (17).

6. The high-purity vehicle urea filtering device according to claim 1, characterized in that: The cover plate (2) is circular in shape and is made of metal material.

7. A high-purity vehicle urea filtering device according to claim 4, characterized in that: There are multiple inclined plates (14), and the multiple inclined plates (14) are all located on the surface of the fixed shaft (13).

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