Feeding device for urea preparation

By using a combined structure of feeding thorn and feeding outer tube in the urea preparation and feeding device, the urea particles are avoided from being exposed to the air, the problem of raw material pollution is solved, the cleanliness of urea is improved, and the practicality of the device is improved through an adjustable support structure.

CN222592872UActive Publication Date: 2025-03-11NANJING JIHONG ENVIRONMENTAL PROTECTION TECH
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Patent Information

Application Number
CN202421377697.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-03-11
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

During the feeding process of the existing urea preparation and feeding device, urea particles are exposed to the air, which can easily lead to raw material pollution and affect the cleanliness of automotive urea.

Method used

A urea preparation and feeding device is designed, adopting a combined structure of feeding truncated dragon and feeding outer tube. Urea particles are transmitted through feeding truncated dragon to avoid exposure to air, and a support structure is set up to ensure the stability of the feeding structure.

Benefits of technology

It effectively avoids pollution of urea raw materials, improves the cleanliness of automotive urea, and adapts to preparation tanks of different heights through adjustable support rods, improving the practicality of the device.

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Abstract

The utility model belongs to the technical field of feeding devices, and particularly discloses a urea preparation feeding device which comprises a supporting structure, a feeding structure, a stirring structure and a preparation tank, the supporting structure comprises a mounting base and a supporting base, and the mounting base is arranged at the lower end of a first driving motor; the supporting seat is arranged on the peripheral wall of a feeding outer pipe of the feeding structure, the lower end of the supporting seat is movably connected with supporting rods through lug seats and connecting shafts, and the two supporting rods are symmetrically arranged; the feeding structure comprises the first driving motor, the first driving motor is obliquely fixed, a speed reducer is arranged on one side of the output end of the first driving motor, the other side of the speed reducer is fixedly connected with a spiral core shaft, a feeding auger is arranged on the peripheral wall of the spiral core shaft, and the feeding auger is fixedly connected with the spiral core shaft. The outer end of the feeding auger is sleeved with a feeding outer pipe, a tail bearing is arranged at the top end of the feeding outer pipe, and one end of the spiral mandrel is fixedly installed on the tail bearing.
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Description

Technical Field

[0001] The utility model relates to the technical field of feeding devices, in particular to a urea preparation feeding device. Background Art

[0002] Automotive urea solution is a colorless, transparent, clear liquid with a concentration between 31.8% and 33.2%. It is used to reduce nitrogen oxides. Currently, automotive urea solution is usually prepared by using automotive urea granules and deionized water in a certain ratio. This process requires adding automotive urea granules to deionized water for stirring. This process is called adding materials. In the existing automotive urea production process, automotive urea granules are usually added manually before stirring.

[0003] In the prior art, regarding the tooling for detecting hole positions and deformations of shaped products, there is a previously disclosed technical solution, Chinese patent application number: CN202322341815.3, application date: August 30, 2023, the name of the invention is: A urea preparation and feeding device, the application discloses a urea preparation and feeding device, including a support seat and a material control valve, a feeding structure is arranged inside the support seat, and the feeding structure includes a first transmission roller, a redirecting roller, a second transmission roller, a drive roller, a drive motor, a transmission belt and a conveyor belt. The utility model is provided with a feeding structure, and an operator puts urea into the interior of a feeding barrel, opens a control valve, and the urea falls onto the top of a conveyor belt, and starts a driving motor, which drives a driving roller to rotate, and the driving roller drives a second driving roller to rotate through a driving belt, and the second driving roller drives the first driving roller to rotate through a conveyor belt, and at the same time, the conveyor belt drives a pressing roller and a redirecting roller to rotate, so that urea passes through the conveyor belt and falls into the interior of a preparation tank from a feeding port, thereby realizing the function of facilitating feeding of the device, thereby improving the convenience of the urea preparation and feeding device when in use;

[0004] The urea preparation and feeding device mentioned above utilizes a conveyor belt to transfer urea. Although it is convenient for feeding, the urea particles are exposed to the air during feeding, which can easily lead to contamination of the urea raw materials and affect the cleanliness of subsequent automotive urea. Therefore, based on the above application, the feeding device is improved. Utility Model Content

[0005] The purpose of the utility model is to provide a urea preparation and feeding device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a urea preparation and feeding device, comprising a support structure, a feeding structure, a stirring structure and a preparation tank, the support structure comprising a mounting seat and a support seat, the mounting seat is arranged at the lower end of a first drive motor, the support seat is arranged on the outer peripheral wall of a feeding outer tube of the feeding structure, the lower end of the support seat is movably connected with a support rod through an ear seat and a connecting shaft, and two support rods are symmetrically arranged; the feeding structure comprises the first drive motor, the first drive motor is tilted and fixed, a reducer is arranged on one side of the output end of the first drive motor, a spiral mandrel is fixedly connected to the other side of the reducer, a feeding auger is arranged on the outer peripheral wall of the spiral mandrel, the outer end of the feeding auger is sleeved and installed with a feeding outer tube, a tail bearing is arranged at the top end of the feeding outer tube, and one end of the spiral mandrel is fixedly mounted on the tail bearing; a feed port is arranged upward at the lower end of the feeding outer tube, a stirring structure is arranged at the upper end of the feeding port, a discharge port is arranged downward at the upper end of the feeding outer tube, and the discharge port is connected to the preparation tank.

[0007] Preferably, a first pulley is provided at the bottom of the mounting seat, a second pulley is provided at the bottom end of the support rod, and both the first pulley and the second pulley are provided with brakes.

[0008] Preferably, the stirring structure comprises a bucket-shaped lower barrel, and a second driving motor is fixedly mounted on one side of the lower barrel.

[0009] Preferably, a rotating shaft is disposed inside the discharge barrel, one end of the rotating shaft is connected to the output end of the second drive motor, and stirring rods are spaced apart on the outer peripheral wall of the rotating shaft.

[0010] Preferably, the bottom end of the lower material barrel is connected to the feed port of the feeding outer tube, and a material control valve is provided at the bottom end of the lower material barrel.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the utility model feeds by setting a feeding auger, and a feeding outer tube is set on the outer side of the feeding auger. During the feeding process, the urea raw material particles are no longer exposed to the air, thereby avoiding contamination of the raw materials. The utility model sets a supporting structure, and the supporting structure includes two rotatable and adjustable supporting rods and a fixed mounting seat. The overall triangular structure ensures the stability of the feeding structure, and the supporting rod is adjustable. The height of the feeding structure can be changed by changing the angle between the two supporting rods, so as to adapt to preparation tanks of different heights and improve practicality. The utility model retains the stirring structure, stirs the urea evenly, and avoids the agglomeration of particles affecting subsequent feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a side view of the utility model;

[0014] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model.

[0015] In the figure: 100, supporting structure; 1, mounting seat; 2, first pulley; 3, supporting seat; 4, supporting rod; 5, second pulley; 200, feeding structure; 6, first driving motor; 7, reducer; 8, feeding outer tube; 801, feeding port; 802, discharging port; 9, spiral mandrel; 10, feeding auger; 11, tail bearing; 300, stirring structure; 12, unloading barrel; 13, second driving motor; 14, rotating shaft; 15, stirring rod; 16, material control valve; 400, preparation tank. DETAILED DESCRIPTION

[0016] 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.

[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-3The utility model provides a technical solution: a urea preparation and feeding device, comprising a support structure 100, a feeding structure 200, a stirring structure 300 and a preparation tank 400, wherein the support structure 100 comprises a mounting seat 1 and a support seat 3, wherein the mounting seat 1 is arranged at the lower end of a first drive motor 6, and the support seat 3 is arranged on the outer peripheral wall of a feeding outer tube 8 of the feeding structure 200, and the lower end of the support seat 3 is movably connected to a connecting shaft through an ear seat with a support rod 4, and two support rods 4 are symmetrically arranged; the feeding structure 200 comprises the first drive motor 6, which is tilted and fixed, and the first drive motor 6 is tilted and fixed. A reducer 7 is provided on one side of the output end of a driving motor 6, and the other side of the reducer 7 is fixedly connected to a spiral core shaft 9. A feeding auger 10 is provided on the outer peripheral wall of the spiral core shaft 9. A feeding outer tube 8 is sleeved and installed on the outer end of the feeding auger 10. A tail bearing 11 is provided on the top of the feeding outer tube 8, and one end of the spiral core shaft 9 is fixedly installed on the tail bearing 11; a feed port 801 is provided upward at the lower end of the feeding outer tube 8, a stirring structure 300 is provided at the upper end of the feed port 801, and a discharge port 802 is provided downward at the upper end of the feeding outer tube 8, and the discharge port 802 is connected to the preparation tank 400.

[0020] Furthermore, a first pulley 2 is provided at the bottom of the mounting seat 1, a second pulley 5 is provided at the bottom end of the support rod 4, and both the first pulley 2 and the second pulley 5 are provided with brakes.

[0021] Furthermore, the stirring structure 300 includes a bucket-shaped lower barrel 12 , and a second driving motor 13 is fixedly mounted on one side of the lower barrel 12 .

[0022] Furthermore, a rotating shaft 14 is disposed inside the discharge barrel 12 , one end of the rotating shaft 14 is connected to the output end of the second driving motor 13 , and stirring rods 15 are spaced apart on the outer peripheral wall of the rotating shaft 14 .

[0023] Furthermore, the bottom end of the material discharge barrel 12 is connected to the feed port 801 of the material feeding outer tube 8 , and a material control valve 16 is provided at the bottom end of the material discharge barrel 12 .

[0024] Working principle: The utility model provides a urea preparation and feeding device, including a support structure 100, a feeding structure 200, a stirring structure 300 and a preparation tank 400, the support structure 100 includes a mounting seat 1 and a support seat 3, the mounting seat 1 is arranged at the lower end of a first drive motor 6, the support seat 3 is arranged on the outer peripheral wall of an outer feeding tube 8 of the feeding structure 200, the lower end of the support seat 3 is movably connected to a connecting shaft with a support rod 4 through an ear seat, and two support rods 4 are symmetrically arranged; the feeding structure 200 includes the first drive motor 6, the first drive motor 6 is tilted and fixed, a reducer 7 is arranged on one side of the output end of the first drive motor 6, the other side of the reducer 7 is fixedly connected to a spiral core shaft 9, a feeding auger 10 is arranged on the outer peripheral wall of the spiral core shaft 9, the outer end of the feeding auger 10 is sleeved with a feeding outer tube 8, and the feeding outer A tail bearing 11 is provided at the top end of the tube 8, and one end of the spiral mandrel 9 is fixedly mounted on the tail bearing 11; a feed port 801 is provided upwardly at the lower end of the feeding outer tube 8, a stirring structure 300 is provided at the upper end of the feeding port 801, and a discharge port 802 is provided downwardly at the upper end of the feeding outer tube 8, and the discharge port 802 is connected to the preparation tank 400; when in use, the urea granular raw material is poured into the discharge barrel 12, and the first drive motor 6 and the second drive motor 13 are started. The second drive motor 13 drives the rotating shaft 14 to rotate, thereby driving the stirring rod 15 to rotate, so that the urea is evenly stirred to prevent the granules from agglomerating and affecting the subsequent feeding. The granular raw material enters the feeding structure 200 from the feed port 801, and the first drive motor 6 drives the spiral mandrel 9 and the feeding auger 10 to rotate. The feeding auger 10 feeds the granular raw material at the lower part into the upper end, and then falls into the preparation tank 400 from the discharge port 802.

[0025] Although the 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 preparation and feeding device, characterized in that: The invention comprises a support structure (100), a feeding structure (200), a stirring structure (300) and a preparation tank (400), wherein the support structure (100) comprises a mounting seat (1) and a support seat (3), wherein the mounting seat (1) is arranged at the lower end of a first driving motor (6), the support seat (3) is arranged on the outer peripheral wall of a feeding outer tube (8) of the feeding structure (200), the lower end of the support seat (3) is movably connected to a connecting shaft via an ear seat with a support rod (4), and two support rods (4) are symmetrically arranged; the feeding structure (200) comprises the first driving motor (6), the first driving motor (6) is tilted and fixed, and one side of the output end of the first driving motor (6) is provided with A reducer (7) is arranged, the other side of the reducer (7) is fixedly connected to a spiral core shaft (9), a feeding auger (10) is arranged on the outer peripheral wall of the spiral core shaft (9), a feeding outer tube (8) is sleeved and installed on the outer end of the feeding auger (10), a tail bearing (11) is arranged at the top end of the feeding outer tube (8), and one end of the spiral core shaft (9) is fixedly mounted on the tail bearing (11); a feed port (801) is arranged upward at the lower end of the feeding outer tube (8), a stirring structure (300) is arranged at the upper end of the feeding port (801), and a discharge port (802) is arranged downward at the upper end of the feeding outer tube (8), and the discharge port (802) is connected to the preparation tank (400).

2. A urea preparation and feeding device according to claim 1, characterized in that: A first pulley (2) is arranged at the bottom of the mounting seat (1), a second pulley (5) is arranged at the bottom end of the support rod (4), and both the first pulley (2) and the second pulley (5) are provided with brakes.

3. A urea preparation and feeding device according to claim 1, characterized in that: The stirring structure (300) comprises a bucket-shaped lower barrel (12), and a second drive motor (13) is fixedly mounted on one side of the lower barrel (12).

4. A urea preparation and feeding device according to claim 3, characterized in that: A rotating shaft (14) is arranged inside the unloading barrel (12), one end of the rotating shaft (14) is connected to the output end of the second driving motor (13), and stirring rods (15) are arranged at intervals on the outer peripheral wall of the rotating shaft (14).

5. A urea preparation and feeding device according to claim 4, characterized in that: The bottom end of the material discharge barrel (12) is connected to the material feed port (801) of the material feeding outer tube (8), and a material control valve (16) is provided at the bottom end of the material discharge barrel (12).

Citation Information

Patent Citations

  • Feeding device for urea preparation

    CN220501876U