Urea particle raw material mixing equipment

By designing a urea granule raw material mixing equipment, using an electric rotary rod and agitating rod for stirring and mixing, and removing impurities through an electrostatic discharge generator and screen plate assembly, the problems of urea raw material agglomeration and uneven mixing are solved, and the quality of urea output is improved.

CN222943305UActive Publication Date: 2025-06-06XINXIANG CHENGTAO IND CO LTD
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Patent Information

Application Number
CN202421667283.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-06-06
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

The high purity of urea raw materials leads to prone to clumping during storage, making it difficult to mix fully during mixing, and suspended matter and floating impurities are difficult to remove, affecting the quality of urea output.

Method used

A urea granule raw material mixing equipment is designed, including a cylindrical mixing cylinder, an electric rotary rod, a stirring rod and a raw material screening assembly. The electric rotary rod is stirred and mixed by the stirring rod and the stirring plate. The raw material screening assembly absorbs impurities on the surface through the electrostatic discharge generator, and the screening plate and insulating ring assembly vibrating the raw material.

Benefits of technology

The problems of urea raw materials are effectively solved. Through electrostatic adsorption and vibration screening technology, the surface suspended matter and floating impurities are removed, improving the quality of urea output.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses urea particle raw material mixing equipment, which comprises a mixing barrel, a stirring shaft, a stirring shaft, a stirring shaft, a stirring shaft, a stirring shaft, a stirring shaft and a stirring shaft, and is characterized in that the mixing barrel is cylindrical and integrally provides a working space for mixing urea particles; the electric rotating rod is positioned in the mixing barrel and is used for stirring and mixing urea particle raw materials; the electric rotating rod is composed of a motor and a rod body, the outer wall face of the rod body of the electric rotating rod is sleeved with a sleeve, first stirring rods are symmetrically arranged on the two sides of the sleeve, second stirring rods are symmetrically arranged on the other two sides of the sleeve, and a slope push plate is arranged at the top end of the sleeve. According to the urea particle raw material mixing equipment, a raw material screening assembly is located at an opening in the upper end of a mixing barrel and conducts vibration screening on urea particle raw materials entering the mixing barrel, and the bottom end of a screening plate in the raw material screening assembly is provided with a slope circular ring making contact with a slope circular ring at the top end of a slope push plate; the sieve plate drives the insulating ring to ascend and descend along with pushing of the inclined-plane circular ring of the inclined-plane push plate, so that the internally-stored urea particle raw materials are vibrated and sieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of urea production, in particular to urea granule raw material mixing equipment. Background Art

[0002] Urea is a high-concentration nitrogen fertilizer, a neutral quick-acting fertilizer that appears as white crystals or powder. It is a product of animal protein metabolism and is usually used as a nitrogen fertilizer for plants. Urea is the first organic compound obtained by artificial synthesis of inorganic substances. It can be used to produce a variety of compound fertilizers. It does not leave any harmful substances in the soil and has no adverse effects if applied for a long time.

[0003] Due to the high purity of urea raw materials, the raw materials are prone to agglomeration during storage, making it difficult to fully mix additives during the urea production mixing process. During the storage of urea raw materials, suspended matter will be retained on the surface. As the raw materials are mixed, a large amount of floating impurities float on the surface of the mixture, affecting the quality of urea output. Utility Model Content

[0004] The utility model aims to provide a urea granular raw material mixing device to solve the problem raised in the above background technology that due to the high purity of the urea raw material, it is easy to agglomerate during storage and difficult to fully mix during the mixing process. During the storage process of the urea raw material, suspended matter will be retained on the surface. As the raw materials are mixed, a large amount of floating impurities float on the surface of the mixture, affecting the quality of urea output.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a urea granule raw material mixing device, comprising a mixing cylinder, which is arranged as a cylindrical structure, and the mixing cylinder as a whole provides a working space for urea granule mixing;

[0006] An electric rotating rod, located inside the mixing cylinder, stirs and mixes the urea granular raw materials;

[0007] The electric rotating rod is composed of a motor and a rod body, and a sleeve is provided on the outer wall of the rod body of the electric rotating rod, and stirring rods 1 are symmetrically provided on both sides of the sleeve, and stirring rods 2 are symmetrically provided on the other two sides of the sleeve, and an inclined push plate is provided on the top of the sleeve, and the inclined push plate is composed of a truncated cone and an inclined circular ring in a vertical direction;

[0008] The bottom plate frame is threadedly connected to the bottom end of the mixing cylinder, a guide block is arranged inside the bottom plate frame, and the upper end of the guide block is arranged as an inclined groove, and the bottom end of the guide block is arranged with an inclined through hole, and the upper end opening of the mixing cylinder is arranged with an annular silicone strip and

[0009] The raw material screening component is used to screen the urea granular raw materials entering the mixing cylinder.

[0010] The adoption of the technical solution makes it easy to screen the urea granule raw materials and facilitates the rapid processing of the raw materials.

[0011] Preferably, a stirring plate is provided in an annular shape on the bottom surface of the sleeve, and the bottom end of the stirring plate is provided as an inclined plate body flush with the inclined groove at the upper end of the guide block, and a cleaning strip is provided on the inclined surface of the stirring plate.

[0012] By adopting the above technical solution, the stirring plate is located at the bottom of the sleeve, thereby increasing the stirring and mixing of the urea granular raw materials.

[0013] Preferably, the second stirring rod is arranged perpendicular to the first stirring rod, and a mixing ring is equidistantly rotated on the surface of each stirring rod.

[0014] By adopting the above technical solution, the mixing environment of the urea granule raw material is increased through the cooperation between the stirring rod 2 and the stirring rod 1 and the mixing ring on the surface.

[0015] Preferably, the inclined through hole inside the guide block is penetrated by the motor of the electric rotating rod, and the outer wall surface of the motor of the electric rotating rod is sleeved with a mounting ring, and positioning plates are symmetrically engaged and connected on both sides of the mounting ring, and one end of the positioning plate penetrates the bottom end of the base frame.

[0016] By adopting the above technical solution, the position of the electric rotating rod is limited through the internal space of the guide block, so that the electric rotating rod is kept in a vertical direction.

[0017] Preferably, the raw material screening assembly comprises:

[0018] An auxiliary ring, which is connected to the silicone strip at the top of the mixing cylinder through a spring rod at the bottom;

[0019] An insulating ring is installed at the bottom end of the auxiliary ring by bolts, and the insulating ring is a ring structure made of silicone;

[0020] An electrostatic discharge generator, whose output ends are equidistantly arranged inside the insulating ring, and whose circuit runs through the auxiliary ring;

[0021] The sieve plate is installed on the bottom end of the insulating ring through bolts, and the sieve plate is a circular plate structure.

[0022] By adopting the above technical solution, the impurities remaining on the surface of the urea granular raw materials of the raw material screening component are processed.

[0023] Preferably, the inner wall surface of the auxiliary ring is flush with the inner wall surface of the insulating ring, and a sealing strip abutting against the side wall surface of the sieve plate is provided at the bottom end of the insulating ring.

[0024] By adopting the above technical solution, the storage space for urea particles can be expanded by docking the auxiliary ring with the insulating ring.

[0025] Preferably, the sieve plate and the insulating ring are in a U-shaped cylindrical structure, and the bottom end of the sieve plate is against the inclined circular ring of the inclined push plate.

[0026] By adopting the above technical solution, the sieve plate is connected with the insulating ring to provide storage space for the urea particles.

[0027] Compared with the prior art, the utility model has the following beneficial effects: the urea granule raw material mixing equipment:

[0028] 1. When in use, the raw material screening assembly is located at the upper opening of the mixing barrel, and the urea granule raw materials entering the mixing barrel are vibrated and screened. The bottom end of the sieve plate in the raw material screening assembly is provided with an inclined circular ring that contacts the inclined circular ring at the top of the inclined push plate. As the inclined circular ring of the inclined push plate pushes, the sieve plate drives the insulating ring to rise and fall to vibrate and screen the urea granule raw materials stored inside, and the lumped urea granule raw materials are shaken apart. With the internal holes of the sieve plate, the urea granule raw materials are pushed downward. The auxiliary ring arranged at the top of the insulating ring contacts the rubber strip at the top of the mixing barrel through the spring rod arranged at the bottom, providing buffering and limiting for the rise and fall of the auxiliary ring and the insulating ring;

[0029] 2. The electrostatic discharge generator installed on the inner wall of the insulating ring moves toward the two poles under the action of the electric field force of the insulating ring through static electricity. During the movement, it hits the dust particles in the airflow and charges them. The charged dust is separated from the airflow under the action of the electric field force and moves in the opposite direction of polarity, so that the floating impurities are adsorbed on the surface of the insulating ring through the electrostatic force, thereby achieving the adsorption of impurities on the surface of the urea granule raw material and improving the purity of the urea granule raw material during mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the overall internal front view structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the overall internal side structure of the utility model;

[0032] Figure 3 This is a schematic diagram of the overall internal top view structure of the utility model;

[0033] Figure 4 This is a schematic diagram of the front view structure of the electric rotating rod and the sleeve installation of the utility model;

[0034] Figure 5 This is a schematic diagram of the front view structure of the auxiliary ring and insulating ring installation of the utility model;

[0035] Figure 6 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0036] In the figure: 1. mixing barrel; 2. electric rotating rod; 3. sleeve; 4. stirring rod one; 5. stirring rod two; 6. mixing ring; 7. stirring plate; 8. inclined push plate; 9. bottom plate frame; 10. guide block; 11. mounting ring; 12. positioning plate; 13. auxiliary ring; 14. insulating ring; 15. electrostatic discharge generator; 16. sieve plate. DETAILED DESCRIPTION

[0037] 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.

[0038] See also Figure 1-6 The utility model provides a technical solution: a urea granular raw material mixing device, including a mixing barrel 1, an electric rotating rod 2, a sleeve 3, a stirring rod 1 4, a stirring rod 2 5, a mixing ring 6, a stirring plate 7, an inclined push plate 8, a bottom plate frame 9, a guide block 10, a mounting ring 11, a positioning plate 12, an auxiliary ring 13, an insulating ring 14, an electrostatic discharge generator 15 and a sieve plate 16;

[0039] The mixing cylinder 1 is configured as a cylindrical structure, and the mixing cylinder 1 as a whole provides a working space for mixing urea particles;

[0040] The electric rotating rod 2 is located inside the mixing barrel 1 and stirs and mixes the urea granular raw materials;

[0041] The electric rotating rod 2 is composed of a motor and a rod body, and a sleeve 3 is provided on the outer wall of the rod body of the electric rotating rod 2, and stirring rods 1 4 are symmetrically provided on both sides of the sleeve 3, and stirring rods 2 5 are symmetrically provided on the other two sides of the sleeve 3, stirring rods 2 5 and stirring rods 1 4 are arranged in a vertical direction, and each stirring rod 2 5 and stirring rod 1 4 surface is equidistantly rotated with a mixing ring 6, a stirring plate 7 is provided in an annular shape on the bottom surface of the sleeve 3, and the bottom end of the stirring plate 7 is provided as an inclined plate body flush with the inclined groove at the upper end of the guide block 10, a cleaning strip is provided on the inclined surface of the stirring plate 7, and an inclined push plate 8 is provided on the top of the sleeve 3, and the inclined push plate 8 is composed of a truncated cone and an inclined circular ring in a vertical direction;

[0042] The bottom plate frame 9 is threadedly connected to the bottom end of the mixing drum 1. A guide block 10 is arranged inside the bottom plate frame 9, and the upper end of the guide block 10 is arranged as an inclined groove, and the bottom end of the guide block 10 is arranged with an inclined through hole, and the inclined through hole inside the guide block 10 is penetrated by the motor of the electric rotating rod 2, and the outer wall surface of the motor of the electric rotating rod 2 is sleeved with a mounting ring 11, and the two sides of the mounting ring 11 are symmetrically connected with positioning plates 12, and one end of the positioning plate 12 penetrates the bottom end of the bottom plate frame 9, and the upper end opening of the mixing drum 1 is provided with an annular silica gel strip and a raw material screening component to screen the urea granular raw material entering the mixing drum 1;

[0043] In conjunction with the accompanying drawings Figure 1-6 As shown, the bottom end of the mixing cylinder 1 is threadedly connected to the bottom frame 9, so that the guide block 10 provided at the upper end of the bottom frame 9 enters the bottom end of the mixing cylinder 1, as shown in FIG. Figure 1-2 As shown, the inclined through hole arranged inside the guide block 10 is used to limit the motor of the electric rotating rod 2, wherein the outer wall surface of the motor of the electric rotating rod 2 is sleeved by the mounting ring 11, and the positioning plates 12 symmetrically arranged on both sides of the mounting ring 11 are as shown in FIG. Figure 1-2 As shown, the positioning plate 12 passes through the bottom opening of the bottom frame 9, and the positioning plate 12 is then connected to the bottom surface of the bottom frame 9 through bolts, as shown in FIG. Figure 2 As shown, the inclined through hole of the guide block 10 is connected to the outer wall of the motor of the electric rotating rod 2, so that the inner hole of the inclined through hole of the guide block 10 is divided into two side pipes, and a gate sold on the market is arranged at the top of the pipe of the inclined through hole of the guide block 10 to discharge the urea granular raw materials mixed in the mixing cylinder 1, such as Figure 1 As shown, the sleeve 3 is arranged at the output end of the electric rotating rod 2, as shown in FIG. Figure 1-4 As shown, the stirring rod 1 4 and the stirring rod 2 5 are arranged vertically on the surface of the sleeve 3, and the end surfaces of the stirring rod 1 4 and the stirring rod 2 5 are provided with scrapers that are connected to the inner wall surface of the mixing barrel 1, such as Figure 1-3 As shown, the stirring plate 7 is arranged at the bottom end of the sleeve 3, as shown in FIG. Figure 1-2 As shown, the urea granular raw material inside the mixing barrel 1 is stirred and mixed by the stirring rod 1 4, the stirring rod 2 5 and the stirring plate 7. The mixing rings 6 arranged alternately on the surfaces of the stirring rod 1 4 and the stirring rod 2 5 are as shown in FIG. Figure 1-4 As shown, it is convenient to stir the urea granular raw material entering the mixing barrel 1;

[0044] Raw material screening components include:

[0045] The auxiliary ring 13 is connected to the silicone strip at the top of the mixing barrel 1 through a spring rod at the bottom end. The inner wall surface of the auxiliary ring 13 is flush with the inner wall surface of the insulating ring 14, and a sealing strip is provided at the bottom end of the insulating ring 14 to abut against the side wall surface of the sieve plate 16;

[0046] The insulating ring 14 is installed at the bottom end of the auxiliary ring 13 by bolts, and the insulating ring 14 is a ring structure made of silicone;

[0047] The electrostatic discharge generator 15 has its output ends equidistantly arranged inside the insulating ring 14, and the circuit of the electrostatic discharge generator 15 runs through the auxiliary ring 13;

[0048] The sieve plate 16 is installed at the bottom end of the insulating ring 14 by bolts, and the sieve plate 16 is a circular plate structure, the sieve plate 16 and the insulating ring 14 are in a U-shaped cylindrical structure, and the bottom end of the sieve plate 16 is against the inclined circular ring of the inclined push plate 8;

[0049] In conjunction with the accompanying drawings Figure 1-6 As shown, the spring rods equidistantly arranged at the bottom of the auxiliary ring 13 are in contact with the silicone strip at the top of the mixing cylinder 1, as shown in FIG. Figure 5-6 As shown, when in use, the electric rotating rod 2 rotates to drive the inclined surface push plate 8 to rotate synchronously, so that the inclined surface ring of the inclined surface push plate 8 is against the inclined surface ring at the bottom end of the sieve plate 16. Since the inclined surface ring arranged at the bottom end of the sieve plate 16 is a fixed structure, the inclined surface ring of the inclined surface push plate 8 rotates to push the sieve plate 16 to rise and fall, wherein the sieve plate 16 drives the insulating ring 14 and the auxiliary ring 13 to rise and fall synchronously, so that the spring rod at the bottom end of the auxiliary ring 13 and the silicone strip at the top end of the mixing barrel 1 slide and rise and fall, and the agglomerated urea granular raw materials remaining inside are vibrated by the insulating ring 14 and the sieve plate 16, and the agglomerated urea granular raw materials are shaken off by the vibration of the insulating ring 14 and the sieve plate 16, and the electrostatic discharge generator 15 installed inside the insulating ring 14, as shown Figure 1-2 As shown, the floating dust impurities remaining on the surface of the shaken urea granular raw materials are adsorbed by the electrically driven electrostatic discharge generator 15, wherein the electrostatic discharge generator 15 is a mature product sold on the market, and the shaken urea granular raw materials fall into the mixing barrel 1 through the holes at the bottom of the sieve plate 16.

[0050] Working principle: When the urea granular raw material mixing equipment is used, the bottom end of the mixing barrel 1 is threadedly connected with the bottom plate frame 9 to form a cylindrical structure. When in use, one end of the motor of the electric rotating rod 2 is passed through the inclined through hole of the guide block 10 inside the bottom plate frame 9, and the mounting ring 11 is sleeved on the outer wall of the motor of the electric rotating rod 2. The positioning plate 12 passes through the hole at the bottom end of the bottom plate frame 9 and is connected to the side wall of the mounting ring 11 to provide support for the electric rotating rod 2, wherein the outer wall of the rod body of the electric rotating rod 2 is sleeved with the sleeve 3, and the sleeve 3 rotates synchronously with the rod body of the electric rotating rod 2, so that the stirring rod 1 4, the stirring rod 2 5 and the stirring plate 7 are located inside the mixing barrel 1 and rotate, so as to accumulate urea raw material particles entering the mixing barrel 1. The mixing is carried out, and the inclined circular ring of the inclined push plate 8 arranged at the top of the sleeve 3 rotates, so that the inclined circular ring at the bottom end of the sieve plate 16 is synchronously lifted and pushed, so that the sieve plate 16 pushes the insulating ring 14 and the auxiliary ring 13 to lift up, so that the urea particles inside the sieve plate 16 and the insulating ring 14 are screened, and the electrostatic discharge generator 15 installed inside the insulating ring 14 adsorbs the floating impurities on the surface of the urea particles. As the sieve plate 16 rises and falls, the urea particles fall downward into the mixing barrel 1. The bottom end of the mixing barrel 1 is penetrated by the guide block 10. Two gates are symmetrically arranged at the connection between the guide block 10 and the electric rotating rod 2 to control the discharge of the urea particle raw materials inside the guide block 10, thereby increasing the overall practicality.

[0051] 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 urea granular raw material mixing device, comprising: A mixing cylinder (1) is arranged as a cylindrical structure, and the mixing cylinder (1) as a whole provides a working space for mixing urea particles; An electric rotating rod (2) is located inside the mixing barrel (1) and is used to stir and mix the urea granular raw material; The invention is characterized in that: the electric rotating rod (2) is composed of a motor and a rod body, and a sleeve (3) is sleeved on the outer wall of the rod body of the electric rotating rod (2), and stirring rods (4) are symmetrically arranged on both sides of the sleeve (3), and stirring rods (5) are symmetrically arranged on the other two sides of the sleeve (3), and an inclined push plate (8) is arranged at the top of the sleeve (3), and the inclined push plate (8) is composed of a truncated cone and an inclined circular ring in a vertical direction; A bottom plate frame (9) is threadedly connected to the bottom end of the mixing cylinder (1), a guide block (10) is arranged inside the bottom plate frame (9), and the upper end of the guide block (10) is arranged as an inclined groove, and the bottom end of the guide block (10) is arranged with an inclined through hole, and the upper end opening of the mixing cylinder (1) is arranged with an annular silicone strip and The raw material screening component is used to screen the urea granular raw material entering the mixing barrel (1).

2. The urea granular raw material mixing equipment according to claim 1, characterized in that: The bottom surface of the sleeve (3) is provided with a stirring plate (7) in an annular shape, and the bottom end of the stirring plate (7) is provided as an inclined plate body flush with the inclined groove at the upper end of the guide block (10), and the inclined surface of the stirring plate (7) is provided with a cleaning strip.

3. The urea granular raw material mixing equipment according to claim 1, characterized in that: The second stirring rod (5) and the first stirring rod (4) are arranged in a vertical direction, and a mixing ring (6) is equidistantly rotated on the surface of each second stirring rod (5) and the first stirring rod (4).

4. The urea granular raw material mixing equipment according to claim 1, characterized in that: The inclined through hole inside the guide block (10) is penetrated by the motor of the electric rotating rod (2), and the outer wall surface of the motor of the electric rotating rod (2) is sleeved with a mounting ring (11), and the two sides of the mounting ring (11) are symmetrically engaged with positioning plates (12), and one end of the positioning plate (12) penetrates the bottom end of the bottom plate frame (9).

5. The urea granular raw material mixing equipment according to claim 1, characterized in that: The raw material screening assembly comprises: An auxiliary ring (13) connected to the silicone strip at the top end of the mixing cylinder (1) via a spring rod at the bottom end; An insulating ring (14) is installed on the bottom end of the auxiliary ring (13) by means of bolts, and the insulating ring (14) is an annular structure made of silicone; An electrostatic discharge generator (15), the output end of which is equidistantly arranged inside the insulating ring (14), and the circuit of the electrostatic discharge generator (15) runs through the inside of the auxiliary ring (13); The sieve plate (16) is installed on the bottom end of the insulating ring (14) by means of bolts, and the sieve plate (16) is a circular plate structure.

6. The urea granular raw material mixing device according to claim 5, characterized in that: The inner wall surface of the auxiliary ring (13) is flush with the inner wall surface of the insulating ring (14), and a sealing strip is provided at the bottom end of the insulating ring (14) to abut against the side wall surface of the sieve plate (16).

7. The urea granular raw material mixing device according to claim 5, characterized in that: The sieve plate (16) and the insulating ring (14) are in a U-shaped cylindrical structure, and the bottom end of the sieve plate (16) is against the inclined circular ring of the inclined push plate (8).