Adblue purification device

By introducing a rotating disc and stirring column for heating in the automotive urea purification unit, and by using cooling pipes and hollow discs to improve cooling efficiency, the problem of slow temperature conduction in traditional units has been solved, achieving rapid cooling, crystallization, and efficient purification of urea solutions.

CN223602042UActive Publication Date: 2025-11-28HENAN BINGYANG AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202423059900.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-28
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Traditional automotive urea purification devices have slow temperature conduction during cooling and crystallization, making it difficult to cool down quickly and resulting in low urea purification efficiency.

Method used

A vehicle urea purification device was designed, which uses a rotating disk and a stirring column to uniformly heat the urea solution, and improves the cooling efficiency and increases the contact area between the urea solution and the coolant by setting up cooling pipes and hollow disks.

Benefits of technology

This improved the efficiency of urea cooling and crystallization, enhanced temperature conduction efficiency, and thus improved the purification efficiency of urea.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223602042U_ABST
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Abstract

The utility model discloses a vehicle urea purification device, which belongs to the technical field of vehicle urea production, and comprises a bottom plate and a heating ring, the top surface of the bottom plate is fixedly provided with a base, the top surface of the base is provided with a purification cylinder, the side wall of the purification cylinder is fixedly connected with a liquid outlet cylinder, and the top surface of the bottom plate is fixedly provided with a cooling cylinder; a plurality of cooling pipes are installed in the cooling cylinder and communicate with one another through connecting pipes, and the two sides of each cooling pipe communicate with a liquid inlet pipe and a liquid outlet pipe; a circular groove is formed in the top surface of the base, a rotating disc is rotatably mounted in the circular groove, a plurality of stirring columns are fixedly mounted on the top surface of the rotating disc, and the stirring columns extend into the purification cylinder. Compared with the prior art, the device can effectively improve the efficiency of temperature conduction during purification, so that the purification efficiency of urea is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the production technology field of vehicle -used urea, especially a vehicle -used urea purification device. BACKGROUND

[0002] Vehicle -used urea is the chemical product needed for heavy -duty diesel vehicle to reach the emission standard, and the purification work in the production process of vehicle -used urea is one of important working steps, and the purposes of purification mainly include two parts of hydrolysis and crystallization, so that the purification effect of vehicle -used urea is achieved, and the practicability of part structure of the traditional vehicle -used purification device exists certain deficiency when using.

[0003] The existing vehicle -used urea purification device mostly winds and wraps the cooling pipe on the outside of the infusion pipe when the urea after hydrolysis is cooled and crystallized, then cooling liquid is passed into the cooling pipe, so that the urea in the infusion pipe is cooled and crystallized, but the temperature conduction of this cooling mode is slow, and the urea cannot be quickly cooled, therefore, a vehicle -used urea purification device is urgently needed to optimize this problem. INNOVATION CONTENT

[0004] The utility model aims at providing a vehicle -used urea purification device to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vehicle -used urea purification device, including vehicle -used urea purification equipment installation bottom plate and vehicle -used urea purification heating heating ring, the top surface fixed mounting of bottom plate has the base, the top surface installation of base has the purification cylinder, the lateral wall fixed connection of purification cylinder has the liquid outlet cylinder, the top surface fixed mounting of bottom plate has the cooling cylinder;

[0006] The inside of cooling cylinder is installed with a plurality of cooling pipes, and the plurality of cooling pipes are communicated through the connecting pipe, and the two sides of the cooling pipe are communicated with the liquid inlet pipe and the liquid outlet pipe.

[0007] The top surface of the base is provided with a circular groove, the inside of the circular groove is rotatably installed with a rotating disc, the top surface of the rotating disc is fixedly installed with a plurality of stirring columns, and the stirring columns extend to the inside of the purification cylinder.

[0008] Preferably, the liquid inlet pipe and the liquid outlet pipe communicated on the side wall of the cooling pipe are respectively located at the upper end and the lower end of the cooling pipe.

[0009] Preferably, the inside of the plurality of cooling pipes is provided with a hollow disc, and the hollow disc is communicated with the cooling pipe.

[0010] Preferably, the side wall of the rotating disc is fixedly connected with two arc blocks in a symmetrical manner, and the inner wall of the circular groove is provided with an annular groove.

[0011] Preferably, the two arc-shaped blocks fixedly connected to the side wall of the rotating disc are respectively slidably connected to the inner part of the annular groove formed in the inner wall of the circular groove.

[0012] Preferably, a sealing ring is adhered to the side wall of the rotating disc, and the outer wall of the sealing ring is slidably attached to the inner wall of the circular groove.

[0013] Preferably, an observation window is formed in the side wall of the cooling cylinder, and a transparent acrylic plate is fixedly adhered to the inner wall of the observation window.

[0014] Compared with the prior art, the technical effects and advantages of the present application are as follows:

[0015] The vehicle urea purification device, thanks to the setting of the rotating disc and the stirring column, can effectively fully stir the urea solution in the purification cylinder, and the flowing urea solution is fully and uniformly heated by the heating ring.

[0016] The vehicle urea purification device, thanks to the setting of the cooling pipe and the hollow disc, the cooling pipe and the hollow disc are installed in the inside of the cooling cylinder, so that when the heated urea solution enters the inside of the cooling cylinder, it will directly contact with the cooling pipe, thereby improving the temperature conduction efficiency of the cooling pipe and the efficiency of urea cooling crystallization.

[0017] The vehicle urea purification device, the hollow disc is installed in the inside of the cooling pipe and communicates with the inner wall of the cooling pipe, so as to effectively increase the relative contact area of the urea solution and the cooling liquid, thereby further improving the purification efficiency of the urea.

[0018] Compared with the prior art, the device can effectively improve the temperature conduction efficiency during purification, thereby improving the purification efficiency of the urea. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0020] Fig. 1 is a structural schematic view of the present application;

[0021] Fig. 2 is a three-dimensional sectional view of the purification cylinder in the present application;

[0022] Fig. 3 is a connection schematic view of the base and the rotating disc in the present application;

[0023] Fig. 4 It is a structure schematic view of the cooling pipe, the hollow disc and the cooling cylinder in the utility model.

[0024] Mark explanation:

[0025] In the drawing: 1, bottom plate; 2, base; 3, purification cylinder; 4, arc block; 5, liquid outlet cylinder; 6, cooling cylinder; 7, sealing ring; 8, cooling pipe; 9, hollow disc; 10, liquid inlet pipe; 11, liquid outlet pipe; 12, circular groove; 13, rotating disc; 14, stirring column; 15, heating ring; 16, transparent acrylic plate. Specific implementation

[0026] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0027] Unless the direction defined separately is indicated, the up, down, left, right, front, back, inner and outer directions involved in this paper are based on the up, down, left, right, front, back, inner and outer directions in the drawing shown by the utility model, which is explained here.

[0028] The connection mode can adopt existing modes such as bonding, welding, bolt connection and the like, and the actual needs are accurate.

[0029] As Figs. 1 to 4 The main structure of the urea purification device for vehicle shown in the drawing is a urea purification equipment installation bottom plate 1 and a urea purification heating heating ring 15, the heating ring 15 is installed on the inner wall of the cooling cylinder 6, and a plurality of

[0030] The top surface of the bottom plate 1 is fixedly installed with the base 2, the top surface of the base 2 is installed with the purification cylinder 3, the side wall of the purification cylinder 3 is fixedly connected with the liquid outlet cylinder 5, the top surface of the bottom plate 1 is fixedly installed with the cooling cylinder 6, and the liquid outlet cylinder 5 and the cooling cylinder 6 are communicated, so that the urea solution heated to a predetermined temperature in the purification cylinder 3 is introduced into the inside of the cooling cylinder 6;

[0031] A plurality of cooling pipes 8 are installed in the inside of the cooling cylinder 6, the connecting pipes between the plurality of cooling pipes 8 are communicated, and the connecting pipes between the plurality of cooling pipes 8 are arranged in up-down staggered mode, so that the cooling liquid can uniformly flow in the inside of the cooling pipe 8;

[0032] The two sides of the cooling pipe 8 are communicated with the liquid inlet pipe 10 and the liquid outlet pipe 11, and the liquid inlet pipe 10 and the liquid outlet pipe 11 extend to the outside of the cooling cylinder 6 respectively;

[0033] The top surface of the base 2 is provided with a circular groove 12, and a rotating disc 13 is rotatably installed in the circular groove 12. The bottom of the rotating disc 13 is installed with a motor at the lower end of the circular groove 12, and the output shaft of the motor is fixedly connected with the shaft of the rotating disc 13.

[0034] The top surface of the rotating disc 13 is fixedly installed with a plurality of stirring columns 14, which extend into the interior of the purification cylinder 3 and extend upward into the urea solution.

[0035] The liquid inlet pipe 10 and the liquid outlet pipe 11 communicated with the side wall of the cooling pipe 8 are respectively located at the upper end and the lower end of the cooling pipe 8, so that the cooling liquid can flow uniformly in the interior of the cooling pipe 8, thereby improving the circulation effect of the cooling liquid.

[0036] The interiors of the plurality of cooling pipes 8 are provided with hollow discs 9, which are communicated with the cooling pipes 8. Due to the arrangement of the cooling pipes 8 and the hollow discs 9, the cooling pipes 8 and the hollow discs 9 are installed in the interior of the cooling cylinder 6. Therefore, when the heated urea solution enters into the interior of the cooling cylinder 6, it will directly contact with the cooling pipes 8, so as to improve the temperature conduction efficiency of the cooling pipes 8, thereby improving the efficiency of urea cooling crystallization.

[0037] The side wall of the rotating disc 13 is fixedly connected with two arc-shaped blocks 4, and the inner wall of the circular groove 12 is provided with an annular groove. The two arc-shaped blocks 4 fixedly connected with the side wall of the rotating disc 13 are respectively slidably connected in the interior of the annular groove of the inner wall of the circular groove 12. Due to the arrangement of the two arc-shaped blocks 4, the stability of the rotating disc 13 during rotation can be improved.

[0038] The side wall of the rotating disc 13 is bonded with a sealing ring 7, and the outer wall of the sealing ring 7 is slidably attached to the inner wall of the circular groove 12. Therefore, the sealing between the rotating disc 13 and the inner wall of the circular groove 12 can be effectively formed, so as to prevent the urea solution from flowing into the interior of the circular groove 12.

[0039] The side wall of the cooling cylinder 6 is provided with an observation window, and the inner wall of the observation window is fixedly bonded with a transparent acrylic plate 16. The arrangement of the observation window and the transparent acrylic plate 16 can be beneficial to observe the crystallization condition in the interior of the cooling cylinder 6.

[0040] Working principle

[0041] The vehicle urea purification device, when in use, first passes the urea to be purified into the inside of the purification cylinder 3, then starts the heating ring 15 installed on the inner wall of the purification cylinder 3 to heat it, then starts the rotating disc 13, and the plurality of stirring columns 14 fixedly installed on the top surface of the rotating disc 13 are driven by the rotating disc 13 to uniformly heat the urea solution, then the urea heated to the predetermined temperature will pass through the liquid outlet cylinder 5 into the inside of the cooling cylinder 6, then the cooling liquid will pass through the liquid inlet pipe 10 into the inside of the cooling pipe 8 and fill into the inside of the hollow disc 9, at this time the urea solution will contact the plurality of cooling pipes 8 and the plurality of hollow discs 9, so as to increase the relative contact area of the cooling liquid and the urea solution, so as to improve the crystallization effect of the urea solution.

[0042] It should be noted that, in this document, relational terms such as one and the other and at least one of are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying that each modified entity or action must exist separately from another entity or action. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, inclusion of an element in a list of elements does not exclude other identical elements not expressly listed or inherent to the process, method, article, or apparatus.

[0043] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An apparatus for purifying urea water for vehicles, comprising a base plate (1) for installing a purifying device for urea water for vehicles and a heating ring (15) for heating urea water for vehicles, characterized in that: The top surface of the bottom plate (1) is fixedly provided with a base (2), the top surface of the base (2) is provided with a purification cylinder (3), the side wall of the purification cylinder (3) is fixedly connected with a liquid outlet cylinder (5), the top surface of the bottom plate (1) is fixedly provided with a cooling cylinder (6); A plurality of cooling pipes (8) are arranged in the cooling cylinder (6), the plurality of cooling pipes (8) are communicated through connecting pipes, and the two sides of the cooling pipe (8) are communicated with liquid inlet pipes (10) and liquid outlet pipes (11); The top surface of the base (2) is provided with a circular groove (12), the circular groove (12) is rotatably provided with a rotating disc (13), the top surface of the rotating disc (13) is fixedly provided with a plurality of stirring columns (14), and the stirring columns (14) extend into the purification cylinder (3).

2. The urea purification device for vehicle according to claim 1, characterized by: The liquid inlet pipes (10) and the liquid outlet pipes (11) communicated with the side wall of the cooling pipe (8) are respectively located at the upper end and the lower end of the cooling pipe (8).

3. The urea purification device for vehicle according to claim 2, characterized by: A plurality of hollow discs (9) are arranged in the cooling pipe (8), and the hollow disc (9) is communicated with the cooling pipe (8).

4. The urea purification device for vehicle according to claim 1, characterized by: The side wall of the rotating disc (13) is fixedly connected with two arc-shaped blocks (4), and the inner wall of the circular groove (12) is provided with an annular groove.

5. The urea purification device for vehicle according to claim 4, characterized by: The two arc-shaped blocks (4) fixedly connected with the side wall of the rotating disc (13) are respectively slidably connected in the annular groove provided in the inner wall of the circular groove (12).

6. The urea purification device for vehicle according to claim 1, characterized by: The side wall of the rotating disc (13) is bonded with a sealing ring (7), and the outer wall of the sealing ring (7) is slidably attached to the inner wall of the circular groove (12).

7. The urea purification device for vehicle according to claim 1, characterized by: The side wall of the cooling cylinder (6) is provided with an observation window, and the inner wall of the observation window is fixedly bonded with a transparent acrylic plate (16).