Urea solution preparation system
By automatically controlling the feeding of urea granules and raw water through intelligent feeding and anti-clogging mechanisms, the problem of cumbersome manual operation in existing technologies is solved, and the automation and efficient mixing of urea solution preparation are realized.
Patent Information
- Application Number
- CN202520252183.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-18
AI Technical Summary
The existing urea solution preparation system lacks a structure to control the feeding of urea particles and raw water, which increases the workload of the staff.
It adopts an intelligent feeding mechanism and an anti-clogging mechanism. The feeding of urea granules and raw water is controlled by a motor-driven threaded rod and transmission rod, and the mixing mechanism is combined to achieve automated mixing.
The automated feeding control of urea granules and raw water has been achieved, reducing manual operation, preventing clogging, and improving preparation efficiency.
Smart Images

Figure CN223654947U_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of urea solution preparation technology, and specifically relates to a urea solution preparation system. Background Technology
[0002] Urea solution is a transparent liquid made by mixing urea and water in a certain proportion. Urea is an important nitrogen fertilizer component and is widely used in agricultural production due to its high nitrogen content. In the industrial field, especially in the treatment of automobile exhaust, urea solution, as the core reducing agent of SCR technology, can effectively reduce nitrogen oxide emissions in diesel vehicle exhaust and protect the environment.
[0003] In the urea solution preparation system, urea granules and raw water need to be mixed and stirred in a certain proportion. First, the urea granules are poured into the mixing tank, and then a certain proportion of urea granules and raw water are poured in. The mixing is carried out by the stirring mechanism inside the tank. The existing mixing tank lacks a structure to control the feeding of urea granules and raw water, which requires workers to transport urea granules and raw water, increasing the workload of the workers. In order to address the above problems, a new urea solution preparation system is proposed. Utility Model Content
[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.
[0005] To solve the above problems, the present invention adopts the following technical solution.
[0006] A urea solution preparation system includes: a preparation processing cylinder, a support frame, and a loading tank. The preparation processing cylinder is a tank structure with a discharge port installed at the bottom, and the discharge port is connected to a pipe. The support frame is installed at the bottom of the preparation processing cylinder. Loading tanks are symmetrically installed on the upper surface of the preparation processing cylinder, and the bottom ends of the loading tanks pass through the interior of the preparation processing cylinder. A stirring mechanism is installed on the preparation processing cylinder. The stirring mechanism includes a first motor and a stirring rod. The first motor is installed on the preparation processing cylinder, and the output shaft of the first motor passes through the interior of the preparation processing cylinder. A stirring rod is provided inside the preparation processing cylinder, and the bottom end of the stirring rod is rotatably connected to the interior of the preparation processing cylinder. The output shaft of the first motor is meshed with the top end of the stirring rod through a bevel gear. An intelligent feeding mechanism for controlling the feeding of the loading tanks is installed inside the preparation processing cylinder.
[0007] As a preferred technical solution of the urea solution preparation system of this utility model, the intelligent feeding mechanism includes a protective shell, a limiting seat, a U-shaped plate, a first threaded rod, and a second threaded rod. The protective shell is installed on the preparation cylinder, and the limiting seats are symmetrically installed on the inner wall of the preparation cylinder. The limiting seats are connected to the inside of the protective shell. The U-shaped plate is slidably installed inside the limiting seat, and the upper surface of the U-shaped plate is in contact with the bottom of the loading barrel. The first threaded rod is rotatably installed inside the protective shell, passing through the limiting seat, and the first threaded rod is engaged with the U-shaped plate. A second threaded rod is provided on one side of the first threaded rod and rotatably connected to the inside of the protective shell. The second threaded rod passes through the limiting seat and is engaged with the U-shaped plate.
[0008] As a preferred technical solution of the urea solution preparation system of this utility model, the intelligent feeding mechanism further includes a first transmission rod, a second transmission rod, and a second motor. The first transmission rod is rotatably installed inside the protective shell. A second transmission rod is provided on one side of the first transmission rod and rotatably connected to the inside of the protective shell. The side of the first transmission rod near the first threaded rod is connected by bevel gear meshing. The side of the second transmission rod near the second threaded rod is connected by bevel gear meshing. A second motor is provided inside the protective shell, and the output shaft of the second motor is connected to the first transmission rod by bevel gear meshing. The output shaft of the second motor is also connected to the second transmission rod by bevel gear meshing.
[0009] As a preferred technical solution of the urea solution preparation system of this utility model, an anti-clogging mechanism for preventing the filling tank from getting clogged is installed on the upper surface of the preparation processing cylinder. The anti-clogging mechanism includes a rotating seat and a stirring rod. The rotating seat is installed at the top of the filling tank, and the stirring rod is rotatably installed on the rotating seat.
[0010] As a preferred technical solution of the urea solution preparation system of this utility model, the anti-clogging mechanism further includes a transmission flat gear, a support base, a first electric push rod, a transmission frame and a rack. The transmission flat gear is installed at the top of the stirring rod, the support base is installed on the upper surface of the preparation cylinder, the first electric push rod is installed on the support base, the transmission frame is installed at the moving end of the first electric push rod, and racks are symmetrically installed on the transmission frame, and the racks are meshed with the transmission flat gear.
[0011] As a preferred technical solution of the urea solution preparation system of this utility model, a movable frame is installed on the second motor, a movable mounting seat that is slidably connected to the movable frame is installed on the inner wall of the protective shell, a second electric push rod is installed on the inner wall of the protective shell, and the moving end of the second electric push rod is connected to the movable frame.
[0012] As a preferred technical solution of the urea solution preparation system of this utility model, the transmission frame is symmetrically provided with guide holes, and the upper surface of the preparation cylinder is symmetrically equipped with guide frames that slide through the guide holes.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] In this application, by installing an intelligent feeding mechanism, the second motor is controlled to approach the first transmission rod, and the bevel gears contact each other, driving the first threaded rod to rotate inside the limit seat. The first threaded rod controls the U-shaped plate to slide inside the limit seat, opening or closing the feeding port of the loading bucket, which facilitates the control of urea granule feeding. The second motor approaches the second transmission rod, driving the second threaded rod to rotate inside the limit seat, controlling the raw water feeding.
[0015] In this application, by installing an anti-clogging mechanism, the first electric push rod on the support base is activated. The moving end of the first electric push rod extends or retracts, driving the transmission frame to move back and forth. The rack contacts the transmission flat gear, controlling the stirring rod to rotate inside the filling barrel, thus preventing the urea particles inside the filling barrel from clogging. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure from one angle provided by this utility model;
[0017] Figure 2 This is another overall structural schematic diagram of the present invention.
[0018] Figure 3 This is a schematic diagram of one angle intelligent feeding mechanism provided by this utility model;
[0019] Figure 4 This is a schematic diagram of the intelligent feeding mechanism from another angle provided by this utility model;
[0020] Figure 5 A schematic diagram of the anti-clogging mechanism provided by this utility model;
[0021] Figure 6 A schematic diagram of the transmission frame structure provided by this utility model.
[0022] The correspondence between the labels and component names in the attached figures is as follows:
[0023] 1. Preparation and processing cylinder; 2. Support frame; 3. Loading bucket; 4. First motor; 5. Stirring rod; 6. Intelligent feeding mechanism; 61. Protective shell; 62. Limiting seat; 63. U-shaped plate; 64. First threaded rod; 65. Second threaded rod; 66. First transmission rod; 67. Second transmission rod; 68. Second motor; 7. Anti-blocking mechanism; 71. Rotating seat; 72. Stirring rod; 73. Transmission flat gear; 74. Support seat; 75. First electric push rod; 76. Transmission frame; 77. Rack; 8. Movable frame; 9. Movable mounting seat; 10. Second electric push rod; 11. Guide hole; 12. Guide frame. Detailed Implementation
[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0026] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments. The present invention provides the following embodiments.
[0027] like Figure 1 and Figure 2 This is a schematic diagram of the urea solution preparation system in this embodiment. The urea solution preparation system in this embodiment includes: a preparation and processing cylinder 1, a support frame 2, and a loading tank 3. The preparation and processing cylinder 1 is a tank structure with a discharge port installed at the bottom, and the discharge port is connected to a pipe. The support frame 2 is installed at the bottom of the preparation and processing cylinder 1. The loading tank 3 is symmetrically installed on the upper surface of the preparation and processing cylinder 1, and the bottom end of the loading tank 3 passes through the interior of the preparation and processing cylinder 1. A stirring mechanism is installed on the preparation and processing cylinder 1. The stirring mechanism includes a first motor 4 and a stirring rod 5. The first motor 4 is installed on the preparation and processing cylinder 1, and the output shaft of the first motor 4 passes through the interior of the preparation and processing cylinder 1. The stirring rod 5 is provided inside the preparation and processing cylinder 1, and the bottom end of the stirring rod 5 is rotatably connected to the interior of the preparation and processing cylinder 1. The output shaft of the first motor 4 is connected to the top end of the stirring rod 5 through bevel gear meshing. An intelligent feeding mechanism 6 for controlling the feeding of the loading tank 3 is installed inside the preparation and processing cylinder 1.
[0028] In this embodiment, urea granules and raw water are poured into two loading tanks 3 respectively. When urea solution needs to be prepared, the intelligent feeding mechanism 6 is activated, the feeding port at the bottom of the loading tank 3 is opened, and a certain proportion of urea granules or raw water is poured into the preparation and processing cylinder 1. The first motor 4 is activated, and the bevel gear of the output shaft of the first motor 4 contacts the bevel gear at the top of the stirring rod 5, driving the stirring rod 5 to rotate inside the preparation and processing cylinder 1 to mix and stir the urea granules and raw water to prepare urea solution. The urea solution is discharged through the discharge port of the preparation and processing cylinder 1.
[0029] like Figure 3 and Figure 4As shown, the intelligent feeding mechanism 6 includes a protective shell 61, a limiting seat 62, a U-shaped plate 63, a first threaded rod 64, and a second threaded rod 65. The protective shell 61 is installed on the preparation and processing cylinder 1. Limiting seats 62 are symmetrically installed on the inner wall of the preparation and processing cylinder 1, and the limiting seats 62 are connected to the interior of the protective shell 61. A U-shaped plate 63 is slidably installed inside the limiting seat 62, and the upper surface of the U-shaped plate 63 is in contact with the bottom end of the loading barrel 3. A first threaded rod 64 is rotatably installed inside the protective shell 61, passing through the limiting seat 62, and the first threaded rod 64 is meshed with the U-shaped plate 63. A second threaded rod 65 is provided on one side of the first threaded rod 64, rotatably connected to the interior of the protective shell 61, and the second threaded rod 65 passes through the limiting seat 62 and is connected to the U-shaped plate 63. The intelligent feeding mechanism 6 also includes a first transmission rod 66, a second transmission rod 67, and a second motor 68, which are engaged with the second threaded rod 65 of the forming plate 63. The first transmission rod 66 is rotatably installed inside the protective shell 61. A second transmission rod 67 is provided on one side of the first transmission rod 66 and is rotatably connected to the inside of the protective shell 61. The side of the first transmission rod 66 near the first threaded rod 64 is engaged with a bevel gear, and the side of the second transmission rod 67 near the second threaded rod 65 is engaged with a bevel gear. The second motor 68 is provided inside the protective shell 61, and the output shaft of the second motor 68 is engaged with the first transmission rod 66 and the second transmission rod 67 through bevel gears.
[0030] In this embodiment, the second motor 68 is started, and the output shaft of the second motor 68 approaches the first transmission rod 66. The bevel gears contact each other, driving the first transmission rod 66 to rotate. The first transmission rod 66 drives the first threaded rod 64 to rotate through the bevel gears. The first threaded rod 64 controls the U-shaped plate 63 to slide inside the limiting seat 62, opening or closing the discharge port of the loading barrel 3 to facilitate the control of urea solution discharge. The second motor 68 is then controlled to approach the second transmission rod 67, and the bevel gears contact each other, driving the second transmission rod 67 to rotate. The second transmission rod 67 drives the second threaded rod 65 to rotate through the bevel gears. The second threaded rod 65 controls the U-shaped plate 63 to slide inside the limiting seat 62, opening or closing the discharge port of the loading barrel 3 on the other side to facilitate the control of raw water discharge.
[0031] like Figure 5As shown, the upper surface of the preparation and processing cylinder 1 is equipped with an anti-clogging mechanism 7 to prevent the loading barrel 3 from clogging. The anti-clogging mechanism 7 includes a rotating seat 71 and a stirring rod 72. The rotating seat 71 is installed at the top of the loading barrel 3, and the stirring rod 72 is rotatably installed on the rotating seat 71. The anti-clogging mechanism 7 also includes a transmission spur gear 73, a support seat 74, a first electric push rod 75, a transmission frame 76, and a rack 77. The transmission spur gear 73 is installed at the top of the stirring rod 72. The support seat 74 is installed on the upper surface of the preparation and processing cylinder 1. The first electric push rod 75 is installed on the support seat 74. The transmission frame 76 is installed at the moving end of the first electric push rod 75. The racks 77 are symmetrically installed on the transmission frame 76, and the racks 77 are meshed with the transmission spur gear 73.
[0032] In this embodiment, the first electric push rod 75 on the start support 74 is activated. The moving end of the first electric push rod 75 extends or shortens, driving the transmission frame 76 to move back and forth. The rack 77 contacts the transmission flat gear 73, driving the stirring rod 72 to rotate inside the loading barrel 3, stirring the inside of the two loading barrels 3. No matter which loading barrel 3 the urea enters, there will be no blockage during the feeding process.
[0033] like Figure 3 and Figure 4 As shown, a movable frame 8 is mounted on the second motor 68, a movable mounting seat 9 that is slidably connected to the movable frame 8 is mounted on the inner wall of the protective shell 61, and a second electric push rod 10 is mounted on the inner wall of the protective shell 61, with the moving end of the second electric push rod 10 connected to the movable frame 8.
[0034] In this embodiment, the second electric push rod 10 is activated, the moving end of the second electric push rod 10 retracts, causing the movable frame 8 to slide inside the movable mounting base 9, controlling the second motor 68 to move closer to the first transmission rod 66, the moving end of the preparation processing cylinder 1 extends, causing the second motor 68 to move closer to the second transmission rod 67, and adjusting the position of the second motor 68.
[0035] like Figure 6 As shown, guide holes 11 are symmetrically opened on the transmission frame 76, and guide frames 12 that slide through the guide holes 11 are symmetrically installed on the upper surface of the preparation and processing cylinder 1.
[0036] In this embodiment, when the transmission frame 76 reciprocates, the guide frame 12 passes through the guide hole 11 to guide the transmission frame 76, ensuring that the transmission frame 76 will not shake during the movement, thus improving the stability of the transmission frame 76.
[0037] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.
Claims
1. A urea solution preparation system, comprising a preparation processing cylinder (1), a support frame (2), and a loading tank (3), wherein the preparation processing cylinder (1) is a tank structure with a discharge port installed at the bottom end, and the discharge port is connected to a pipe; the support frame (2) is installed at the bottom end of the preparation processing cylinder (1); the loading tank (3) is symmetrically installed on the upper surface of the preparation processing cylinder (1), and the bottom end of the loading tank (3) passes through the interior of the preparation processing cylinder (1), characterized in that: A stirring mechanism is installed on the preparation and processing cylinder (1). The stirring mechanism includes a first motor (4) and a stirring rod (5). The first motor (4) is installed on the preparation and processing cylinder (1), and the output shaft of the first motor (4) passes through the inside of the preparation and processing cylinder (1). The stirring rod (5) is provided inside the preparation and processing cylinder (1), and the bottom end of the stirring rod (5) is rotatably connected to the inside of the preparation and processing cylinder (1). The output shaft of the first motor (4) is connected to the top end of the stirring rod (5) through bevel gear meshing. An intelligent feeding mechanism (6) for controlling the feeding of the loading bucket (3) is installed inside the preparation and processing cylinder (1).
2. The urea solution preparation system according to claim 1, characterized in that, The intelligent feeding mechanism (6) includes a protective shell (61), a limiting seat (62), a U-shaped plate (63), a first threaded rod (64), and a second threaded rod (65). The protective shell (61) is installed on the preparation and processing cylinder (1). The limiting seat (62) is symmetrically installed on the inner wall of the preparation and processing cylinder (1), and the limiting seat (62) is connected to the inside of the protective shell (61). The U-shaped plate (63) is slidably installed inside the limiting seat (62), and the upper surface of the U-shaped plate (63) is in contact with the bottom end of the loading barrel (3). The first threaded rod (64) is rotatably installed inside the protective shell (61) and passes through the limiting seat (62). The first threaded rod (64) is meshed with the U-shaped plate (63). A second threaded rod (65) is provided on one side of the first threaded rod (64) and rotatably connected to the inside of the protective shell (61). The second threaded rod (65) passes through the limiting seat (62) and meshes with the U-shaped plate (63).
3. The urea solution preparation system according to claim 2, characterized in that, The intelligent feeding mechanism (6) further includes a first transmission rod (66), a second transmission rod (67), and a second motor (68). The first transmission rod (66) is rotatably installed inside the protective shell (61). A second transmission rod (67) is provided on one side of the first transmission rod (66) and rotatably connected to the inside of the protective shell (61). The side of the first transmission rod (66) near the first threaded rod (64) is connected by bevel gear meshing. The side of the second transmission rod (67) near the second threaded rod (65) is connected by bevel gear meshing. The second motor (68) is provided inside the protective shell (61), and the output shaft of the second motor (68) is connected to the first transmission rod (66) by bevel gear meshing. The output shaft of the second motor (68) is connected to the second transmission rod (67) by bevel gear meshing.
4. The urea solution preparation system according to claim 1, characterized in that, The upper surface of the preparation and processing cylinder (1) is equipped with an anti-clogging mechanism (7) for preventing the filling barrel (3) from clogging. The anti-clogging mechanism (7) includes a rotating seat (71) and a stirring rod (72). The top of the filling barrel (3) is equipped with a rotating seat (71), and the stirring rod (72) is rotatably mounted on the rotating seat (71).
5. The urea solution preparation system according to claim 4, characterized in that, The anti-clogging mechanism (7) further includes a transmission spur gear (73), a support base (74), a first electric push rod (75), a transmission frame (76), and a rack (77). The top of the stirring rod (72) is equipped with a transmission spur gear (73). The upper surface of the preparation and processing cylinder (1) is equipped with a support base (74). The support base (74) is equipped with a first electric push rod (75). The moving end of the first electric push rod (75) is equipped with a transmission frame (76). The transmission frame (76) is symmetrically equipped with racks (77), and the racks (77) are meshed with the transmission spur gear (73).
6. The urea solution preparation system according to claim 3, characterized in that, The second motor (68) is equipped with a movable frame (8), and the inner wall of the protective shell (61) is equipped with a movable mounting seat (9) that is slidably connected to the movable frame (8). The inner wall of the protective shell (61) is equipped with a second electric push rod (10), and the moving end of the second electric push rod (10) is connected to the movable frame (8).
7. The urea solution preparation system according to claim 5, characterized in that, The transmission frame (76) is symmetrically provided with guide holes (11), and the upper surface of the preparation and processing cylinder (1) is symmetrically provided with guide frames (12) that slide through the guide holes (11).