Urea aqueous solution stirring equipment for vehicle

Abstract

The utility model discloses vehicle urea aqueous solution stirring equipment which comprises a first raw material barrel and a second raw material barrel, the bottom end of the first raw material barrel is hermetically connected with a first infusion pump through a first infusion pipe, and the bottom end of the second raw material barrel is hermetically connected with a second infusion pump through a second infusion pipe. Flow control valves are mounted on the first liquid distribution pipe, the second liquid distribution pipe, the third liquid distribution pipe and the fourth liquid distribution pipe, a first material mixing barrel and a second material mixing barrel are mounted on one side of the first raw material barrel and one side of the second raw material barrel, and stirring mechanisms are mounted in the first raw material barrel, the second raw material barrel, the first material mixing barrel and the second material mixing barrel. Different raw material solutions required by urea production in the two raw material barrels are quantitatively conveyed into the two mixing barrels and are further mixed and stirred through the efficient stirring mechanism, and finally the urea solutions in the mixing barrels are conveyed into the urea solution storage barrels to be stored and collected. The device has the advantage of high stirring processing and forming efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of urea production, in particular to a vehicle urea aqueous solution stirring device. Background Art

[0002] Automotive urea solution is a liquid used in selective catalytic reduction technology to reduce nitrogen oxide pollution in diesel vehicle exhaust. It is a nitrogen oxide selective catalytic reducer that can be synthesized from ultra-pure automotive urea and pure water in a certain proportion. When diesel vehicles use this automotive urea, nitrogen oxides in exhaust emissions can be decomposed into pollution-free nitrogen and water vapor, which can directly reduce pollution.

[0003] The Chinese authorized patent document with publication number CN204469546U discloses a vehicle urea aqueous solution preparation device, including a feeding device, a mixing device, a filtering device, a filling device, and a control console; the control console is respectively connected to the feeding device, the mixing device, the filtering device, and the filling device to control the actions of the feeding device, the mixing device, the filtering device, and the filling device; the feeding device includes a urea granule storage container, a first valve, a first valve controller, a first conveying pipeline, a first feeding container, a first weight sensor, a deionized water storage container, a second valve, a second valve controller, a second conveying pipeline, a second feeding container, a second weight sensor, and a conveying pump; the first weight sensor, the first valve controller, the second weight sensor, and the second valve controller are respectively connected to the control console. The vehicle urea aqueous solution preparation device proposed in the utility model can improve the intelligence of the preparation, reduce manual intervention, and thus improve productivity and accuracy.

[0004] The above-mentioned prior art is unable to classify, quantitatively convey and stir the raw material solution for the production of automotive urea, resulting in poor molding quality of the urea aqueous solution. Therefore, it is necessary to develop a stirring device for the automotive urea aqueous solution. Utility Model Content

[0005] The utility model aims to provide a stirring device for automotive urea aqueous solution to solve the problem that the prior art proposed in the above background technology cannot classify and quantitatively convey and stir the raw material solution for automotive urea production, resulting in poor molding quality of the urea aqueous solution.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle urea aqueous solution stirring device, comprising a first raw material barrel and a second raw material barrel, the bottom end of the first raw material barrel is sealedly connected to a first infusion pump through a first infusion tube, the bottom end of the second raw material barrel is sealedly connected to a second infusion pump through a second infusion tube, a first drainage main pipe is installed at the liquid outlet end of the first infusion pump, a second drainage main pipe is installed at the liquid outlet end of the second infusion pump, one end of the first drainage main pipe is respectively connected to a first liquid dispensing pipe and a second liquid dispensing pipe through a three-way pipe, one end of the second liquid dispensing main pipe is respectively connected to a third liquid dispensing pipe and a fourth liquid dispensing pipe through a three-way pipe, a flow control valve is installed on the first liquid dispensing pipe, the second liquid dispensing pipe, the third liquid dispensing pipe and the fourth liquid dispensing pipe, a first mixing barrel and a second mixing barrel are respectively installed on one side of the first raw material barrel and the second raw material barrel, and a stirring mechanism is installed inside the first raw material barrel, the second raw material barrel, the first mixing barrel and the second mixing barrel.

[0007] Preferably, stirring drive motors are installed on the outer top ends of the first raw material barrel, the second raw material barrel, the first mixing barrel and the second mixing barrel.

[0008] Preferably, the output end of the stirring drive motor is fixedly connected to the stirring mechanism via a rotating shaft, a stirring rod is installed on the stirring mechanism, a bulk plate is provided on the surface of the stirring rod, and a baffle structure with an inclined angle is provided on the bulk plate.

[0009] Preferably, the first and third liquid dispensing tubes are connected to the interior of the first mixing barrel, and the second and fourth liquid dispensing tubes are connected to the interior of the second mixing barrel.

[0010] Preferably, the bottom ends of the first mixing barrel and the second mixing barrel are sealedly connected to a drainage pump via a drainage branch pipe.

[0011] Preferably, one end of the drainage pump is sealedly connected to a urea solution storage tank via a drainage main pipeline.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model quantitatively delivers different raw material solutions required for urea production in two raw material barrels to the inside of two mixing barrels, and installs flow control valves on each liquid distribution pipe, so that the raw material solutions required for the reaction can be quantitatively controlled and delivered to the inside of different mixing barrels, and then further mixed and stirred by utilizing a high-efficiency stirring mechanism, and finally the urea solution in the mixing barrel is delivered to a urea solution storage barrel for storage and collection, thereby having the advantage of high stirring and processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the stirring mechanism structure of the utility model.

[0017] In the figure: 1, stirring drive motor; 2, first raw material barrel; 3, second raw material barrel; 4, first infusion pipe; 5, second infusion pipe; 6, second infusion pump; 7, first infusion pump; 8, second drainage main pipe; 9, second dispensing pipe; 10, first drainage main pipe; 11, three-way pipe; 12, third dispensing pipe; 13, flow control valve; 14, first dispensing pipe; 15, fourth dispensing pipe; 16, first mixing barrel; 17, second mixing barrel; 18, drainage main pipeline; 19, dispensing pump; 20, urea solution storage barrel; 21, drainage branch pipe; 22, stirring rod; 23, bulk plate; 24, stirring mechanism. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] See also Figure 1-3 The utility model provides an embodiment: a vehicle urea aqueous solution stirring device, comprising a first raw material barrel 2 and a second raw material barrel 3, the bottom end of the first raw material barrel 2 is sealedly connected to a first infusion pump 7 through a first infusion pipe 4, the bottom end of the second raw material barrel 3 is sealedly connected to a second infusion pump 6 through a second infusion pipe 5, the liquid outlet end of the first infusion pump 7 is installed with a first drainage main pipe 10, the liquid outlet end of the second infusion pump 6 is installed with a second drainage main pipe 8, one end of the first drainage main pipe 10 is respectively connected to the first distribution pipe 11 through a three-way pipe 11 The liquid pipe 14 and the second liquid dispensing pipe 9, one end of the second liquid discharge main pipe 8 are respectively connected to the third liquid dispensing pipe 12 and the fourth liquid dispensing pipe 15 through the three-way pipe 11, the first liquid dispensing pipe 14, the second liquid dispensing pipe 9, the third liquid dispensing pipe 12 and the fourth liquid dispensing pipe 15 are each installed with a flow control valve 13, the first raw material barrel 2 and the second raw material barrel 3 are respectively installed on one side with a first mixing barrel 16 and a second mixing barrel 17, and the first raw material barrel 2, the second raw material barrel 3, the first mixing barrel 16 and the second mixing barrel 17 are each installed with a stirring mechanism 24 inside.

[0020] Furthermore, the outer tops of the first raw material barrel 2, the second raw material barrel 3, the first mixing barrel 16 and the second mixing barrel 17 are all equipped with stirring drive motors 1, which can be used to drive and control the stirring mechanism 24 to perform mixing and stirring operations.

[0021] Furthermore, the output end of the stirring drive motor 1 is fixedly connected to the stirring mechanism 24 through a rotating shaft, and a stirring rod 22 is installed on the stirring mechanism 24. A bulk plate 23 is provided on the surface of the stirring rod 22, and a baffle structure with an inclined angle is provided on the bulk plate 23. By turning on the stirring drive motor 1, the stirring mechanism 24 can be driven to stir, and the stirring rod 22 cooperates with the bulk plate 23 to fully mix and stir the solution, thereby improving the stirring efficiency.

[0022] Furthermore, the first dispensing tube 14 and the third dispensing tube 12 are connected to the interior of the first mixing barrel 16, and the second dispensing tube 9 and the fourth dispensing tube 15 are connected to the interior of the second mixing barrel 17, thereby being used to quantitatively and directionally transport the raw material solutions inside the first raw material barrel 2 and the second raw material barrel 3 to the first mixing barrel 16 and the second mixing barrel 17.

[0023] Furthermore, the bottom ends of the first mixing barrel 16 and the second mixing barrel 17 are sealedly connected to a drainage pump 19 through a drainage branch pipe 21 , and the solution raw materials stored in the first mixing barrel 16 and the second mixing barrel 17 can be discharged to the urea solution storage barrel 20 through the drainage pump 19 .

[0024] Furthermore, one end of the drainage pump 19 is sealedly connected to the urea solution storage barrel 20 through the drainage main pipeline 18. By turning on the drainage pump 19, the mixed solution in the first mixing barrel 16 and the second mixing barrel 17 can be transported to the urea solution storage barrel 20 for storage and collection.

[0025] Working principle: When in use, different raw material solutions for the production of automotive urea aqueous solution are poured into the first raw material barrel 2 and the second raw material barrel 3 respectively, and the stirring drive motor 1 is turned on to drive the stirring mechanism 24 to stir, and the stirring rod 22 cooperates with the bulk plate 23 to fully mix and stir the solution. The bottom end of the first raw material barrel 2 is sealedly connected to the first infusion pump 7 through the first infusion tube 4, and the bottom end of the second raw material barrel 3 is sealedly connected to the second infusion pump 6 through the second infusion tube 5. The first infusion pump 7 is installed with a first drainage main pipe 10 at the liquid outlet end, and the second infusion pump 6 is installed with a second drainage main pipe 8 at the liquid outlet end. By turning on the first infusion pump 7, the raw material solution stirred in the first raw material barrel 2 can be separated into the liquid through the first dispensing pipe 14 and the second dispensing pipe 9. The raw material solution stirred in the second raw material barrel 3 can be transported to the first mixing barrel 16 and the second mixing barrel 17 respectively by turning on the second infusion pump 6. The raw material solution stirred in the second raw material barrel 3 can be transported to the first mixing barrel 16 and the second mixing barrel 17 respectively through the third dispensing tube 12 and the fourth dispensing tube 15. Since the first dispensing tube 14, the second dispensing tube 9, the third dispensing tube 12 and the fourth dispensing tube 15 are all equipped with flow control valves 13, the flow rate of the solution transported to the first mixing barrel 16 and the second mixing barrel 17 can be quantitatively controlled to ensure the accuracy of the solution ratio. Finally, turning on the stirring drive motor 1 can drive the stirring mechanism 24 to stir the mixed solution, and the finished urea aqueous solution after stirring is transported to the urea solution storage barrel 20 for storage and collection.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A vehicle urea aqueous solution stirring device, comprising a first raw material barrel (2) and a second raw material barrel (3), characterized in that: The bottom end of the first raw material barrel (2) is sealedly connected to a first infusion pump (7) via a first infusion pipe (4), and the bottom end of the second raw material barrel (3) is sealedly connected to a second infusion pump (6) via a second infusion pipe (5). A first drainage main pipe (10) is installed at the liquid outlet end of the first infusion pump (7), and a second drainage main pipe (8) is installed at the liquid outlet end of the second infusion pump (6). One end of the first drainage main pipe (10) is respectively connected to a first liquid distribution pipe (14) and a second liquid distribution pipe (9) via a three-way pipe (11), and one end of the second liquid distribution main pipe (8) is connected to a first liquid distribution pipe (14) and a second liquid distribution pipe (9) via a three-way pipe (11). The third liquid dispensing tube (12) and the fourth liquid dispensing tube (15) are respectively connected through the three-way pipe (11); the first liquid dispensing tube (14), the second liquid dispensing tube (9), the third liquid dispensing tube (12) and the fourth liquid dispensing tube (15) are all installed with flow control valves (13); the first raw material barrel (2) and the second raw material barrel (3) are respectively installed with a first mixing barrel (16) and a second mixing barrel (17); the first raw material barrel (2), the second raw material barrel (3), the first mixing barrel (16) and the second mixing barrel (17) are all installed with stirring mechanisms (24) inside.

2. The vehicle urea aqueous solution stirring device according to claim 1, characterized in that: The top ends of the first raw material barrel (2), the second raw material barrel (3), the first mixing barrel (16) and the second mixing barrel (17) are all equipped with stirring drive motors (1).

3. The vehicle urea aqueous solution stirring device according to claim 2, characterized in that: The output end of the stirring drive motor (1) is fixedly connected to the stirring mechanism (24) via a rotating shaft; a stirring rod (22) is mounted on the stirring mechanism (24); a bulk material plate (23) is disposed on the surface of the stirring rod (22); and a baffle structure with an inclined angle is disposed on the bulk material plate (23).

4. The vehicle urea aqueous solution stirring device according to claim 1, characterized in that: The first liquid dispensing tube (14) and the third liquid dispensing tube (12) are connected to the interior of the first mixing barrel (16), and the second liquid dispensing tube (9) and the fourth liquid dispensing tube (15) are connected to the interior of the second mixing barrel (17).

5. The vehicle urea aqueous solution stirring device according to claim 1, characterized in that: The bottom ends of the first mixing barrel (16) and the second mixing barrel (17) are sealedly connected to a drainage pump (19) via a drainage branch pipe (21).

6. The vehicle urea aqueous solution stirring device according to claim 5, characterized in that: One end of the drainage pump (19) is sealedly connected to a urea solution storage tank (20) via a drainage main pipeline (18).

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