Mixing device of vehicle urea production equipment

Abstract

The utility model relates to the technical field of chemical production equipment, and discloses a mixing device of vehicle urea production equipment, which comprises a mixing mechanism, the mixing mechanism comprises a mixing barrel, a sealing mechanism is arranged at the top of the mixing barrel, a discharging mechanism is arranged at the bottom of the mixing barrel, and four connecting strips are fixedly connected to the inner side wall of the mixing barrel annularly at equal intervals. The side walls of the opposite sides of the four connecting strips are each fixedly connected with a spoiler. The stirring paddle is arranged in the mixing device, the three groups of paddles are arranged on the outer side of the stirring paddle in a layered manner, the two groups of paddles at the upper end and the lower end are obliquely arranged and are opposite in inclination direction, and the paddle in the middle is vertically arranged, so that layered turbulent flow stirring and mixing can be performed when the whole stirring paddle rotates; and the mixing efficiency of the vehicle urea production equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production equipment, in particular to a mixing device for vehicle urea production equipment. Background Art

[0002] Automotive urea is exclusive to diesel vehicles and is mainly used to catalytically reduce nitrogen oxides in exhaust gas into harmless nitrogen and water vapor. Simply put, it is used to improve diesel vehicle exhaust emissions, reduce environmental pollution, and achieve energy conservation and environmental protection. At present, when automotive urea production equipment is used, it includes a mixing device for automotive urea production equipment.

[0003] The mixing devices of the existing automotive urea production equipment still have the following problems when in use: that is, the mixing devices of the existing automotive urea production equipment mostly adopt a cylindrical structure design, and when it is used for mixing, the mixed liquid raw materials are very easy to form regular vortices, and it is not easy to fully mix the production raw materials. In addition, the mixing devices of the existing automotive urea production equipment mostly adopt a single-layer stirring mechanism, and when the automotive urea production equipment is mixed, its mixing efficiency is low. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a mixing device for automotive urea production equipment, which solves the problems raised by the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mixing device for automotive urea production equipment, comprising a mixing mechanism, the mixing mechanism comprising a mixing barrel, a sealing mechanism is arranged on the top of the mixing barrel, a discharging mechanism is arranged on the bottom of the mixing barrel, four connecting strips are fixedly connected to the upper end of the inner wall of the mixing barrel in an annular shape with equal distances, and a spoiler is fixedly connected to each of the side walls facing each other of the four connecting strips. The four spoilers are arranged in an annular shape in the mixing barrel of the mixing device, which can prevent the mixed liquid raw materials from forming regular vortices to a certain extent when the raw materials are stirred and mixed, so as to facilitate the full mixing of the production raw materials.

[0008] As a further solution of the utility model: a through groove is opened in the middle of the sealing cover, and a feed pipe is fixedly connected to the top wall of the sealing cover at the opening of the through groove; the discharging mechanism includes a guide cover fixedly installed at the bottom opening of the mixing barrel; a through hole is opened at the center of the inner bottom wall of the guide cover; a discharge hole is opened at each of the front and rear ends of the inner side wall of the guide cover; a discharge pipe is fixedly connected to the outer wall of the guide cover at the opening of the discharge hole; the automotive urea production raw materials to be mixed can be added to the mixing barrel through the feed pipe, and the automotive urea production raw materials after stirring and mixing can be discharged through two discharge pipes.

[0009] As a further solution of the utility model: a stirring mechanism is fixedly installed on the outer bottom wall of the deflector and at the opening of the through hole, and the stirring mechanism includes a stirring paddle arranged at the center position of the mixing barrel, and the outer side wall of the stirring paddle is fixedly connected with three groups of blades at equal distances from top to bottom, each group of the blades consists of three pieces and are arranged in a ring shape at equal distances, the upper and lower groups of blades are arranged in an inclined state and in opposite directions, and the middle group of blades is arranged vertically, and a stirring paddle is arranged in the mixing device, and the outer side of the stirring paddle is layered with three groups of blades, the two groups of blades at the upper and lower ends are arranged in an inclined state and in opposite directions, and the middle blade is arranged vertically. When the overall stirring paddle rotates, layered turbulent stirring and mixing can be carried out, thereby improving the mixing efficiency of the automotive urea production equipment.

[0010] As a further solution of the utility model: the stirring mechanism also includes a driving motor fixedly installed at the opening of the through hole on the outer bottom wall of the air guide cover, the driving shaft on the top of the driving motor passes through the through hole and is fixedly connected to the bottom end of the stirring paddle, and a control line is fixedly connected to the control port at the bottom of the driving motor, which can be connected to the vehicle urea production equipment control host in the workshop to control the operation of the driving motor of the mixing device.

[0011] As a further solution of the utility model: the front and rear ends of the outer side wall of the air deflector are respectively fixedly connected with a support frame, and the bottom wall of the support frame is fixedly connected with a mounting seat, and the overall device can be fixedly installed on the corresponding workstation in the workshop by cooperating with mounting bolts through the holes on the two mounting seats.

[0012] As a further solution of the utility model: the sealing mechanism includes a sealing cover fixedly installed at the top opening of the mixing barrel, the outer side of the top wall of the mixing barrel is provided with four positioning slots in an annular shape and equidistant therefrom, the bottom wall of the sealing cover is fixedly connected with four positioning blocks corresponding to the four positioning slots, the positioning blocks are snap-fitted into the positioning slots, and the sealing cover and the mixing barrel can be conveniently assembled and disassembled.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, four spoilers are arranged in a ring shape in the mixing cylinder of the mixing device, which can prevent the mixed liquid raw materials from forming regular vortices to a certain extent when the raw materials are stirred and mixed, so as to facilitate the full mixing of the production raw materials.

[0015] 2. In the utility model, a stirring paddle is provided in the mixing device, and three groups of blades are arranged in layers on the outer side of the stirring paddle. The two groups of blades at the upper and lower ends are arranged in an inclined state and the inclined directions are opposite, and the blades in the middle are arranged vertically. When the whole stirring paddle rotates, layered turbulent stirring and mixing can be performed, thereby improving the mixing efficiency of the automotive urea production equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall three-dimensional Figure 1 ;

[0017] Figure 2 The overall three-dimensional Figure 2 ;

[0018] Figure 3 This is a split stereogram of the main structure of the utility model;

[0019] Figure 4 It is a three-dimensional diagram of the stirring mechanism of the present utility model.

[0020] In the figure: 1. mixing mechanism; 2. sealing mechanism; 3. discharging mechanism; 4. supporting frame; 5. mounting seat; 6. stirring mechanism; 11. mixing barrel; 12. positioning slot; 13. connecting strip; 14. spoiler; 21. sealing cover; 22. positioning block; 23. feeding pipe; 31. guide cover; 32. discharging hole; 33. discharging pipe; 61. driving motor; 62. control line; 63. stirring paddle; 64. paddle. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figures 1 to 4In an embodiment of the utility model, a mixing device of a vehicle urea production equipment comprises a mixing mechanism 1, the mixing mechanism 1 comprises a mixing barrel 11, a sealing mechanism 2 is arranged on the top of the mixing barrel 11, a discharging mechanism 3 is arranged on the bottom of the mixing barrel 11, and four connecting strips 13 are fixedly connected to the upper end of the inner wall of the mixing barrel 11 in an annular shape with equal distances, and a spoiler 14 is fixedly connected to each of the side walls facing each other of the four connecting strips 13. The four spoilers 14 are arranged in an annular shape in the mixing barrel 11 of the mixing device, which can prevent the mixed liquid raw materials from forming regular vortices to a certain extent when the raw materials are stirred and mixed, so as to make the production raw materials fully mixed.

[0023] A through groove is provided in the middle of the sealing cover 21, and a feed pipe 23 is fixedly connected to the top wall of the sealing cover 21 at the opening of the through groove. The discharging mechanism 3 includes a guide cover 31 fixedly installed at the bottom opening of the mixing barrel 11. A through hole is provided at the center of the bottom wall of the guide cover 31, and a discharge hole 32 is provided at each of the front and rear ends of the inner wall of the guide cover 31. A discharge pipe 33 is fixedly connected to the outer wall of the guide cover 31 at the opening of the discharge hole 32. The raw materials for the production of automotive urea to be mixed can be added to the mixing barrel 11 through the feed pipe 23, and the raw materials for the production of automotive urea after stirring and mixing can be discharged through the two discharge pipes 33.

[0024] A stirring mechanism 6 is fixedly installed on the outer bottom wall of the air guide cover 31 and at the opening of the through hole. The stirring mechanism 6 includes a stirring paddle 63 arranged at the center position of the mixing barrel 11. The outer wall of the stirring paddle 63 is fixedly connected with three groups of blades 64 at equal distances from top to bottom. Each group of blades 64 consists of three pieces and are arranged in a ring-shaped and equal distance. The upper and lower groups of blades 64 are arranged in an inclined shape and in opposite directions, and the middle group of blades 64 is arranged vertically. A stirring paddle 63 is arranged in the mixing device, and three groups of blades 64 are arranged in layers on the outer side of the stirring paddle 63. The two groups of blades 64 at the upper and lower ends are arranged in an inclined shape and in opposite directions, and the middle blade 64 is arranged vertically. When the overall stirring paddle 63 rotates, layered turbulent stirring and mixing can be performed to improve the mixing efficiency of the automotive urea production equipment.

[0025] The stirring mechanism 6 also includes a driving motor 61 fixedly mounted at the opening of the through hole on the outer bottom wall of the air guide cover 31. The driving shaft at the top of the driving motor 61 passes through the through hole and is fixedly connected to the bottom end of the stirring paddle 63. A control line 62 is fixedly connected to the control port at the bottom of the driving motor 61, which can be connected to the control host of the automotive urea production equipment in the workshop to control the operation of the driving motor 61 of the mixing device.

[0026] A support frame 4 is fixedly connected to the front and rear ends of the outer side wall of the air deflector 31, and a mounting seat 5 is fixedly connected to the bottom wall of the support frame 4. The entire device can be fixedly installed on the corresponding workstation in the workshop by using the holes on the two mounting seats 5 and mounting bolts.

[0027] The sealing mechanism 2 includes a sealing cover 21 fixedly installed at the top opening of the mixing barrel 11. Four positioning slots 12 are equidistantly arranged in an annular shape on the outer side of the top wall of the mixing barrel 11. Four positioning blocks 22 are fixedly connected to the bottom wall of the sealing cover 21 corresponding to the four positioning slots 12. The positioning blocks 22 are snap-fitted into the positioning slots 12, so that the sealing cover 21 and the mixing barrel 11 can be conveniently assembled and disassembled.

[0028] The working principle of the utility model is as follows: the control line 62 can be connected to the control host of the vehicle urea production equipment in the workshop to control the operation of the driving motor 61 of the mixing device, and the overall device can be fixedly installed on the corresponding workstation in the workshop through the holes on the two mounting seats 5 and the mounting bolts. The vehicle urea production raw materials to be mixed can be added to the mixing barrel 11 through the feed pipe 23. A stirring paddle 63 is arranged in the mixing device, and three groups of blades 64 are arranged in layers on the outer side of the stirring paddle 63. The two groups of blades 64 at the upper and lower ends are arranged in an inclined shape and the inclined directions are opposite. The blades 64 in the middle are arranged vertically. When the overall stirring paddle 63 rotates, layered turbulent stirring and mixing can be performed to improve the mixing efficiency of the vehicle urea production equipment, and finally the vehicle urea production raw materials after stirring and mixing are discharged through the two discharge pipes 33.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mixing device for automotive urea production equipment, comprising a mixing mechanism (1), the mixing mechanism (1) comprising a mixing cylinder (11), a sealing mechanism (2) being arranged at the top of the mixing cylinder (11), and a discharging mechanism (3) being arranged at the bottom of the mixing cylinder (11); Features: The upper end of the inner side wall of the mixing barrel (11) is fixedly connected to four connecting strips (13) in an annular shape and at equal distances, and each of the side walls facing each other of the four connecting strips (13) is fixedly connected to a spoiler (14); The discharging mechanism (3) comprises a flow guide cover (31) fixedly mounted at the bottom opening of the mixing barrel (11), a through hole being provided at the center of the inner bottom wall of the flow guide cover (31), and a stirring mechanism (6) being fixedly mounted on the outer bottom wall of the flow guide cover (31) at the opening of the through hole; The stirring mechanism (6) comprises a stirring paddle (63) arranged at a central position in the mixing barrel (11), and the outer wall of the stirring paddle (63) is fixedly connected with three groups of paddles (64) at equal distances from top to bottom.

2. The mixing device of the vehicle urea production equipment according to claim 1, characterized in that: The stirring mechanism (6) further comprises a driving motor (61) fixedly mounted at an opening of a through hole on the outer bottom wall of the air guide cover (31).

3. The mixing device of the vehicle urea production equipment according to claim 2, characterized in that: The driving shaft at the top of the driving motor (61) passes through a through hole and is fixedly connected to the bottom end of the stirring paddle (63), and a control line (62) is fixedly connected to the control port at the bottom of the driving motor (61).

4. The mixing device of the vehicle urea production equipment according to claim 1, characterized in that: Each group of the paddle blades (64) comprises three pieces and are arranged in a circular shape with equal distances; the upper and lower groups of the paddle blades (64) are arranged in an inclined shape and in opposite directions; and the middle group of the paddle blades (64) is arranged vertically.

5. The mixing device of the vehicle urea production equipment according to claim 1, characterized in that: A discharge hole (32) is respectively formed at the front and rear ends of the inner side wall of the flow guide cover (31), and a discharge pipe (33) is fixedly connected to the outer side wall of the flow guide cover (31) at the opening of the discharge hole (32).

6. The mixing device of the vehicle urea production equipment according to claim 1, characterized in that: A support frame (4) is fixedly connected to each of the front and rear ends of the outer side wall of the air guide cover (31), and a mounting seat (5) is fixedly connected to the bottom wall of the support frame (4).

7. The mixing device of the vehicle urea production equipment according to claim 1, characterized in that: The sealing mechanism (2) comprises a sealing cover (21) fixedly mounted at the top opening of the mixing barrel (11), and four positioning slots (12) are formed in an annular shape and equidistantly on the outer side of the top wall of the mixing barrel (11).

8. The mixing device of the vehicle urea production equipment according to claim 7, characterized in that: A through slot is provided in the middle of the sealing cover (21), and a feed pipe (23) is fixedly connected to the top wall of the sealing cover (21) at the opening of the through slot. Four positioning blocks (22) are fixedly connected to the bottom wall of the sealing cover (21) corresponding to the four positioning slots (12), and the positioning blocks (22) are snap-fitted into the positioning slots (12).

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