Urea dissolving device

By introducing a layered chamber and a brush structure into the urea dissolution unit, the problems of low dissolution efficiency and crystallization were solved, achieving efficient dissolution and cleaning and ensuring the normal operation of the unit.

CN224236546UActive Publication Date: 2026-05-15HUNAN HUADIAN PINGJIANG POWER GENERATION CO LTD
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Patent Information

Application Number
CN202521480482.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-15
Publication Date
2026-05-15
Estimated Expiration
2035-07-15

AI Technical Summary

Technical Problem

Existing urea dissolving devices have low dissolving efficiency and crystallization easily occurs on the inner wall of the dissolving tank after prolonged use.

Method used

A urea dissolving device including a layered chamber and a brush was designed. The layered chamber is connected by multiple chamber cylinders and connecting pipes. A drive motor drives a passive gear to achieve a stirring effect, and a brush is fixed on the side to clean the inner wall of the dissolving tank.

Benefits of technology

This improves the dissolution efficiency of urea, prevents crystal formation on the inner wall of the dissolution tank, and ensures the smooth progress of the dissolution process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a urea dissolving device. An existing dissolving tank is only a pure tank body, desalted water and urea are poured into the dissolving tank and then naturally wait for dissolution, the dissolving efficiency is low in the mode, and meanwhile crystals are likely to appear on the inner wall of the dissolving tank after long-time dissolution. The device comprises a dissolving tank, a layering bin is placed in the dissolving tank, the upper portion of the layering bin is connected with the top of the dissolving tank through a bearing, a driven gear is fixed to the layering bin, a support is fixed to the dissolving tank, a driving motor is fixed to the support, and the driving motor is connected with the driven gear. An output shaft of the driving motor is fixed with a driving gear, and the driving gear is meshed with the driven gear; and a scrubbing brush is fixed on the side surface of the layering bin. The urea dissolving device is used for dissolving urea.
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Description

Technical Field

[0001] This utility model relates to a urea dissolving device. Background Technology

[0002] The working principle of urea solution pyrolysis to produce ammonia is mainly based on the decomposition reaction of urea under high temperature conditions. First, urea and demineralized water are fed into a dissolving tank to dissolve the urea. After dissolution, the solution is fed into a urea solution storage tank and then pumped into a pyrolysis furnace for pyrolysis. Currently, the dissolving tank is just a simple tank. After pouring demineralized water and urea into the dissolving tank, it is left to dissolve naturally. This method has low dissolution efficiency, and crystals are prone to appear on the inner wall of the dissolving tank after a long dissolution period. Utility Model Content

[0003] To overcome the shortcomings of existing technologies, this invention provides a urea dissolving device that solves the problems of low dissolving efficiency and crystallization on the inner wall of the dissolving tank after prolonged dissolving.

[0004] The above objectives are achieved through the following scheme:

[0005] A urea dissolving device comprises: a dissolving tank, a layered compartment inside the dissolving tank, the upper part of the layered compartment being connected to the top of the dissolving tank via a bearing, a driven gear being fixed on the layered compartment, a support being fixed on the dissolving tank, a drive motor being fixed on the support, the output shaft of the drive motor being fixed to the drive gear, and the drive gear meshing with the driven gear.

[0006] A brush is fixed to the side of the tiered compartment.

[0007] The urea dissolving device includes a layered chamber comprising at least two sets of vertically arranged chamber cylinders connected by a connecting pipe, wherein the outer wall of each chamber cylinder has a plurality of uniformly arranged through holes.

[0008] The urea dissolving device described above has a through hole that is round. Beneficial effects

[0009] 1. This utility model sets up a layered compartment, and urea is poured in through the filling nozzle of the layered compartment. In this way, the urea will be stored in the layered compartment through the layered compartment. Then, demineralized water is injected through the demineralized water inlet. Because the urea is layered through the layered compartment, it can prevent the urea from piling up and improve the urea dissolution efficiency.

[0010] 2. The layered compartment of this utility model is fixed with a brush on the side. During dissolution, the layered compartment will rotate, and the brush will clean the side wall of the dissolution tank to prevent crystallization.

[0011] 3. This utility model can achieve a stirring effect through the rotation of the layered chambers, which can accelerate the dissolution efficiency of urea. Attached Figure Description

[0012] Figure 1 This is a perspective view of the present invention.

[0013] Figure 2 This is the front view of the present invention;

[0014] Figure 3 for Figure 2 Sectional view of section AA;

[0015] Figure 4 This is a schematic diagram of the layered warehouse structure;

[0016] In the diagram: 1. Nozzle; 2. Driven gear; 3. Feed pipe; 4. Support; 5. Dissolving tank; 6. Support leg; 7. Drive motor; 8. Drive gear; 9. Demineralized water inlet; 10. Connecting pipe; 11. Silo; 12. Through hole; 13. Fixing block; 14. Brush; 15. Valve; 16. Discharge pipe; 17. Observation window. Detailed Implementation

[0017] Reference Figures 1 to 4 This utility model provides a urea dissolving device, which includes: a dissolving tank 5, a layered compartment inside the dissolving tank, the upper part of the layered compartment being connected to the top of the dissolving tank via a bearing, a driven gear 2 fixed on the layered compartment, a support 4 fixed on the dissolving tank, a drive motor 7 fixed on the support, the output shaft of the drive motor being fixed to the drive gear 8, the drive gear meshing with the driven gear, and the drive motor being a geared motor;

[0018] A brush 14 is fixed to the side of the layered compartment;

[0019] The urea dissolving device includes at least two sets of vertically arranged chamber cylinders 11, which are connected by a connecting pipe 10. The outer wall of each chamber cylinder has a plurality of evenly arranged through holes 12, and a fixing block 13 is fixed to the side of each chamber cylinder. The fixing block is fixed to the brush.

[0020] The urea dissolving device described above has a through hole that is round.

[0021] Working principle: such as Figure 4As shown, the layered silo consists of three silos, with adjacent silos connected by hollow pipes. A material pipe 3, also hollow, is fixed to the top silo, with a nozzle 1 at its uppermost end. A driven gear is fixed to the material pipe, which is connected to the support and the top of the dissolving tank via bearings. During operation, urea is poured in through the nozzle and then flows through the material pipe into the silos, gradually filling all three silos. Then, demineralized water is introduced through the demineralized water inlet and enters the dissolving tank. Because the silos have external openings, the demineralized water enters through these openings to dissolve the urea inside. The multi-layered silo design prevents urea accumulation and allows some small urea particles to pass through. The solution enters the dissolving tank through the through-hole and continues to dissolve with the demineralized water, which can improve the dissolving efficiency. The drive motor is started, and the drive motor rotates, which drives the drive gear to rotate. The drive gear meshes with the driven gear, thereby driving the layering chamber to rotate, which plays a stirring role and can accelerate the dissolving efficiency. During rotation, the brushes fixed on the side of the layering chamber will brush the side of the dissolving tank, which can prevent crystallization on the inner side wall of the dissolving tank. There is a discharge pipe 16 at the bottom center of the dissolving tank, and a valve 15 is installed on the discharge pipe. An observation window 17 is also fixed on the top of the dissolving tank. The observation window is a glass window, which allows the dissolving process to be observed at any time. After dissolving is completed, the urea solution can be discharged through the discharge pipe by opening the valve.

Claims

1. A urea dissolving device, characterized in that: Its components include: a dissolving tank, a layered compartment inside the dissolving tank, the upper part of the layered compartment being connected to the top of the dissolving tank via a bearing, a driven gear being fixed on the layered compartment, a support being fixed on the dissolving tank, a drive motor being fixed on the support, the output shaft of the drive motor being fixed to the drive gear, and the drive gear meshing with the driven gear. A brush is fixed to the side of the tiered compartment.

2. The urea dissolving device according to claim 1, characterized in that: The layered silo includes at least two sets of vertically arranged silo cylinders, which are connected by a connecting pipe. The outer wall of each silo cylinder has multiple evenly arranged through holes.

3. The urea dissolving device according to claim 2, characterized in that: The through hole is a round hole.