A dissolving barrel for producing automotive urea

By designing the inclined reverse ring and filter structure in the dissolving barrel for urea production, the problem of impurity deposition in the aqueous urea solution is solved, and the purity and quality of the product are significantly improved.

CN222709403UActive Publication Date: 2025-04-04ANHUI ZHONGXUANWO CHEM TECH CO LTD
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Patent Information

Application Number
CN202421471554.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-04-04
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

During the dissolution process of the existing dissolution barrels for urea production, the discharged aqueous urea solution is impure and affects product quality.

Method used

A dissolution barrel for automotive urea production is designed, with a tapered bottom and equipped with a counter stop ring. The inner side of the counter stop ring extends obliquely to the bottom, and the discharge pipe is arranged above the counter stop ring. In addition, the support ring is fixed in the middle of the inner wall to install the filter, which filters the solution to improve cleanliness.

Benefits of technology

Through the inclination design of the counter stop ring, impurities are prevented from flowing upward along the inner wall from being discharged from the discharge pipe, improving the purity of the urea aqueous solution; the use of filters further improving the cleanliness of the solution.

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Abstract

The utility model provides a dissolving barrel for producing automotive urea, and relates to the technical field of dissolving barrels, comprising a dissolving barrel, wherein the bottom of the dissolving barrel is conical, the bottom of the dissolving barrel is connected with a sewage pipe in the middle, the outer surface of one side of the dissolving barrel is connected with a discharge pipe, a check ring is fixed in the middle of the inner wall of the dissolving barrel, the inner side edge of the check ring is inclined and extends obliquely toward the bottom of the dissolving barrel, and the discharge pipe is located above the check ring. In the utility model, the check ring is fixed between the inner walls of the dissolving barrel, and the inner side of the check ring is inclined and extends toward the inner bottom surface of the dissolving barrel, so that an inclined angle is formed between the bottom of the check ring and the inner wall of the dissolving barrel, and the discharge pipe is arranged above the check ring. At this time, when the discharge pipe discharges material to the outside, impurities at the bottom of the dissolving barrel have a tendency to flow upward along the side wall together with the water flow, and the impurities at the bottom of the dissolving barrel can be prevented from flowing upward along the inner wall and being discharged from the discharge pipe under the obstruction of the inclination angle of the check ring.
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Description

Technical Field

[0001] The utility model relates to the technical field of dissolving barrels, in particular to a dissolving barrel for producing automotive urea. Background Art

[0002] Automotive urea is a liquid used to reduce nitrogen oxide pollution in automobile exhaust. It is a colorless, transparent mixed liquid. During production, a certain amount of special raw materials for automotive urea is dissolved in ultrapure water to make a urea aqueous solution with a urea concentration of 32.5%. The dissolution barrels used in urea production are mostly closed stainless steel barrels with a single structure. When using, just put urea and ultrapure water in and stir them manually to get the result.

[0003] At present, in the existing dissolution barrel, a fixed amount of special raw materials for automotive urea are dissolved in ultrapure water to form a urea aqueous solution with a urea concentration of 32.5%. Since the special raw materials for automotive urea contain certain impurities, the impurities are doped in the automotive urea aqueous solution and deposited at the bottom. When the automotive urea aqueous solution is discharged to the outside, the impurities deposited at the bottom will be discharged together, affecting the purity of the automotive urea aqueous solution. Utility Model Content

[0004] In order to solve the existing technical problems, the utility model provides a dissolving barrel for the production of automotive urea. In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0005] A dissolving barrel for producing automotive urea comprises a dissolving barrel, the bottom of which is conical, a sewage pipe is connected to the middle of the bottom of the dissolving barrel, a discharge pipe is connected to the outer surface of one side of the dissolving barrel, a check ring is fixed in the middle of the inner wall of the dissolving barrel, the inner side edge of the check ring is inclined to extend toward the bottom of the dissolving barrel, and the discharge pipe is located above the check ring.

[0006] Optionally, a support ring is fixed in the middle of the inner wall of the dissolving barrel above the discharge pipe, and an annular groove is formed on the top of the support ring.

[0007] Optionally, an annular card cover is provided on the top of the support ring, and one side of the annular card cover is engaged in the annular groove.

[0008] Optionally, a filter disc is fixed in the middle of the inner wall of the annular cover, and a plurality of support rods are fixed on the inner wall of the support ring at equal intervals along the circumferential direction.

[0009] Optionally, a tray is fixed in the middle of one end of the plurality of support rods, and the top of the tray fits with the bottom of the filter disc.

[0010] Optionally, a plurality of positioning bolts are equidistantly arranged on the top of the annular cover along the circumferential direction, and the bottoms of the plurality of positioning bolts are threadedly extended into the interior of the support ring.

[0011] Optionally, a plurality of legs are fixed to the bottom of the dissolving barrel at equal intervals in the circumferential direction, a top cover is provided on the top of the dissolving barrel, and a sealing ring is fixed to the bottom of the top cover.

[0012] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0013] 1. In the utility model, when the device is used, a check ring is fixed between the inner walls of the dissolving barrel, and the inner side of the check ring is tilted to extend toward the inner bottom surface of the dissolving barrel, so that an inclined angle is formed between the bottom of the check ring and the inner wall of the dissolving barrel, and the discharge pipe is arranged above the check ring. At this time, when the discharge pipe discharges materials to the outside, the impurities at the bottom of the dissolving barrel have a tendency to flow upward along the side wall together with the water flow. Under the obstruction of the inclination angle of the check ring, the impurities at the bottom of the dissolving barrel can be prevented from flowing upward along the inner wall and discharged from the discharge pipe.

[0014] 2. In the utility model, a support ring is fixed between the inner walls of the dissolving barrel, so that the annular card cover can be installed thereon, so that the filter disc can be installed inside the dissolving barrel. When the solution inside the dissolving barrel flows downward, it needs to be filtered by the filter disc first, which can improve the cleanliness of the solution. Since the span of the filter disc is large, the tray is fixed by a support rod between the support rings, so that the tray can be raised to support the middle part of the filter disc and prevent the middle part of the filter disc from falling and collapsing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0016] Figure 1 The utility model provides a main perspective structural diagram of a dissolving barrel for producing automotive urea;

[0017] Figure 2 The utility model provides a bottom-up stereoscopic structural diagram of a dissolving barrel for producing automotive urea;

[0018] Figure 3 The utility model provides a schematic diagram of a sectional three-dimensional structure of a dissolving barrel for producing automotive urea;

[0019] Figure 4 For this utility model Figure 3 Magnified view at A in the middle.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Dissolving barrel; 2. Top cover; 3. Discharging pipe; 4. Support leg; 5. Drain pipe; 6. Sealing ring; 7. Check ring; 8. Support ring; 9. Support rod; 10. Tray; 11. Annular cover; 12. Annular groove; 13. Filter disc; 14. Positioning bolt.

[0022] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0023] The utility model will now be further described in detail with reference to the accompanying drawings.

[0024] Embodiment 1, as Figure 1-4 As shown, the utility model provides a technical solution for a dissolving barrel for producing automotive urea: comprising a dissolving barrel 1, the bottom of the dissolving barrel 1 is conical, the bottom of the dissolving barrel 1 is connected to a sewage pipe 5 in the middle, the outer surface of one side of the dissolving barrel 1 is connected to a discharge pipe 3, a check ring 7 is fixed in the middle of the inner wall of the dissolving barrel 1, the inner side edge of the check ring 7 is inclined to extend toward the bottom of the dissolving barrel 1, and the discharge pipe 3 is located above the check ring 7.

[0025] The effect achieved by the entire embodiment 1 is that when the device is used, the check ring 7 is fixed between the inner walls of the dissolving barrel 1, and the inner side of the check ring 7 is tilted to extend toward the inner bottom surface of the dissolving barrel 1, so that there is an inclined angle between the bottom of the check ring 7 and the inner wall of the dissolving barrel 1, and the discharge pipe 3 is arranged above the check ring 7. At this time, when the discharge pipe 3 discharges materials to the outside, the impurities at the bottom of the dissolving barrel 1 tend to flow upward along the side wall together with the water flow. Under the obstruction of the inclination angle of the check ring 7, the impurities at the bottom of the dissolving barrel 1 can be prevented from flowing upward along the inner wall and discharged from the discharge pipe 3.

[0026] Embodiment 2, as Figure 1-4 As shown, a support ring 8 is fixed in the middle of the inner wall of the dissolving barrel 1 above the discharge pipe 3, an annular groove 12 is opened on the top of the support ring 8, an annular card cover 11 is arranged on the top of the support ring 8, one side of the annular card cover 11 is engaged in the annular groove 12, a filter disc 13 is fixed in the middle of the inner wall of the annular card cover 11, a plurality of support rods 9 are fixed to the inner wall of the support ring 8 at equal intervals in the circumferential direction, a tray 10 is fixed in the middle of one end of the plurality of support rods 9, the top of the tray 10 and the bottom of the filter disc 13 are fitted with each other, a plurality of positioning bolts 14 are arranged at equal intervals in the circumferential direction on the top of the annular card cover 11, and the bottoms of the plurality of positioning bolts 14 are all threadedly extended to the inside of the support ring 8, a plurality of legs 4 are fixed to the bottom of the dissolving barrel 1 at equal intervals in the circumferential direction, a top cover 2 is arranged on the top of the dissolving barrel 1, and a sealing ring 6 is fixed to the bottom of the top cover 2.

[0027] The effect achieved by the entire embodiment 2 is that the support ring 8 is fixed between the inner walls of the dissolving barrel 1, so that the annular card cover 11 is conveniently installed thereon, so that the filter disc 13 is installed inside the dissolving barrel 1. When the solution inside the dissolving barrel 1 flows downward, it needs to be filtered by the filter disc 13 first, which can improve the cleanliness of the solution. Since the span of the filter disc 13 is large, the tray 10 is fixed between the support rings 8 by the support rods 9, so that the tray 10 can be raised to support the middle part of the filter disc 13 to prevent the middle part of the filter disc 13 from falling and collapsing.

[0028] Working principle: When using the device, a check ring 7 is fixed between the inner walls of the dissolving barrel 1, and the inner side of the check ring 7 is tilted to extend toward the inner bottom surface of the dissolving barrel 1, so that there is an inclined angle between the bottom of the check ring 7 and the inner wall of the dissolving barrel 1, and the discharge pipe 3 is arranged above the check ring 7. At this time, when the discharge pipe 3 discharges materials to the outside, the impurities at the bottom of the dissolving barrel 1 have a tendency to flow upward along the side wall together with the water flow. Under the obstruction of the tilted angle of the check ring 7, the impurities at the bottom of the dissolving barrel 1 can be prevented from flowing upward along the inner wall from the discharge pipe 3. The material pipe 3 is discharged, and the support ring 8 is fixed between the inner walls of the dissolving barrel 1, so that the annular card cover 11 can be installed thereon, so that the filter disc 13 can be installed inside the dissolving barrel 1. When the solution inside the dissolving barrel 1 flows downward, it needs to be filtered by the filter disc 13 first, which can improve the cleanliness of the solution. Since the span of the filter disc 13 is large, the tray 10 is fixed between the support rings 8 by the support rods 9, so that the tray 10 can be raised to support the middle part of the filter disc 13 to prevent the middle part of the filter disc 13 from falling and collapsing.

[0029] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware that any structural changes made under the inspiration of the present invention, and any technical solutions that are the same or similar to the present invention, fall within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A dissolving barrel for producing automotive urea, comprising a dissolving barrel (1), characterized in that: The bottom of the dissolving barrel (1) is conical, and a sewage discharge pipe (5) is connected to the middle of the bottom of the dissolving barrel (1). A discharge pipe (3) is connected to the outer surface of one side of the dissolving barrel (1). A check ring (7) is fixed in the middle of the inner wall of the dissolving barrel (1), and the inner side edge of the check ring (7) extends obliquely toward the bottom of the dissolving barrel (1). The discharge pipe (3) is located above the check ring (7).

2. The dissolving barrel for producing automotive urea according to claim 1, characterized in that: A support ring (8) is fixed in the middle of the inner wall of the dissolving barrel (1) above the discharge pipe (3), and an annular groove (12) is formed on the top of the support ring (8).

3. The dissolving barrel for producing automotive urea according to claim 2, characterized in that: An annular card cover (11) is provided on the top of the support ring (8), and one side of the annular card cover (11) is engaged in the annular groove (12).

4. The dissolving barrel for producing automotive urea according to claim 3, characterized in that: A filter plate (13) is fixed in the middle of the inner wall of the annular card cover (11), and a plurality of support rods (9) are fixed to the inner wall of the support ring (8) at equal intervals in the circumferential direction.

5. The dissolving barrel for producing automotive urea according to claim 4, characterized in that: A tray (10) is fixed in the middle of one end of the plurality of support rods (9), and the top of the tray (10) and the bottom of the filter plate (13) are in contact with each other.

6. The dissolving barrel for producing automotive urea according to claim 5, characterized in that: A plurality of positioning bolts (14) are arranged at equal intervals on the top of the annular cover (11) along the circumferential direction, and the bottoms of the plurality of positioning bolts (14) are threadedly extended into the interior of the support ring (8).

7. The dissolving barrel for producing automotive urea according to claim 1, characterized in that: The bottom of the dissolving barrel (1) is fixed with a plurality of legs (4) at equal intervals in the circumferential direction, the top of the dissolving barrel (1) is provided with a top cover (2), and the bottom of the top cover (2) is fixed with a sealing ring (6).