Urea solution heating and storing device

By adding water guides on the stirring assembly of the urea solution heating storage device and setting a water block on the shell, the solution convection is enhanced, and the problem of crystallization caused by too low temperature during storage of urea solution is solved, and the stability and quality of the solution are improved.

CN119590736AInactive Publication Date: 2025-03-11HUANENG YINGKOU THERMAL POWER CO LTD
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Patent Information

Application Number
CN202411637709.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-03-11
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The temperature of the urea solution is too low when stored, which may lead to crystallization at the bottom of the solution, affecting the quality of the solution.

Method used

A urea solution heating storage device is designed to enhance the convection of the solution and avoid crystallization formation by adding water guides on the stirring assembly and setting a water barrier on the shell.

Benefits of technology

Effectively keep the urea solution within the optimal temperature range, prevent crystallization and improve the stability and quality of the solution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a urea solution heating and storing device which comprises a shell, a cover arranged on the opening side of the shell, a valve arranged at the bottom end of the shell, a heating pipe and a stirring assembly, the heating pipe is movably connected with the cover, the stirring assembly is connected with the cover in a limiting mode, and the valve is arranged at the bottom end of the shell. A water retaining block is arranged on the inner side wall of the shell. The stirring device has the beneficial effects that the water retaining block is arranged on the shell, so that the blade drives a solution to form a vortex to be in contact with the water retaining block, the solution better enters the liquid receiving opening of the water guide pipe through the water guide side, the solution on the upper layer flows into the lower layer through the water guide pipe, and meanwhile, the stirring effect is improved through the connecting rod on the water guide pipe; and the solution is kept at the optimal temperature through the heating pipe, so that the storage of the solution is facilitated.
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Description

Technical Field

[0001] The invention relates to the technical field of urea storage, in particular to a urea solution heating and storage device. Background Art

[0002] The storage temperature of urea solution should be between 5-30℃, and the optimal temperature is 10-20℃. Too high or too low temperature will affect the stability and quality of the urea solution. Especially when the temperature of the urea solution is too low, crystals will easily form at the bottom of the solution, affecting the quality of the urea solution. Therefore, the solution temperature needs to be maintained during storage, and crystallization at the bottom needs to be avoided. Convection needs to be increased between the upper and lower layers of the solution. Summary of the invention

[0003] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0004] In view of the problem in the prior art that crystals may be generated at the bottom of the urea solution when the storage temperature is too low, the present invention is proposed.

[0005] Therefore, the object of the present invention is to provide a urea solution heating and storage device, which can make the solution convection in the shell more complete by adding a water guide on the stirring assembly and a water retaining block on the shell.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a urea solution heating and storage device, which includes a shell, the opening side of the shell is arranged upward, a cover body is arranged on the opening side of the shell, a valve body is arranged at the bottom end of the shell, a heating pipe and a stirring assembly are arranged in the shell, the heating pipe is movably connected to the cover body, the stirring assembly is limitedly connected to the cover body, and a water retaining block is arranged on the inner wall of the shell.

[0007] As a preferred solution of the urea solution heating and storage device of the present invention, the water retaining block is arranged below the highest water level line of the shell, at least one water retaining block is arranged as an annular protrusion, the first connecting hole is arranged on the bottom side of the shell, and the valve body is connected to the shell through the first connecting hole.

[0008] As a preferred embodiment of the urea solution heating and storage device of the present invention, the water retaining block includes a ring side, a right-angle side and a water guiding side, the ring side faces the center of the shell, the right-angle side is arranged on both sides of the water retaining block, the water guiding side is arranged between the ring side and the right-angle side, and the water guiding side is arc-shaped.

[0009] As a preferred solution of the urea solution heating and storage device of the present invention, the cover body includes a second connecting hole and a water injection port, the heating pipe is arranged on the cover body through the second connecting hole, and the water injection port keeps the solution in the shell at a fixed height.

[0010] As a preferred solution of the urea solution heating and storage device of the present invention, the valve body comprises a switch wheel and an output pipe, and the solution in the housing flows out from the output pipe through the switch wheel.

[0011] As a preferred embodiment of the urea solution heating and storage device of the present invention, the stirring assembly includes a motor, a limit block, a main shaft, a paddle and a water guide, the limit block is arranged on one side of the motor, the main shaft is arranged on one side of the limit block, the paddle is arranged on one side of the main shaft, and the water guide is arranged on the main shaft.

[0012] As a preferred solution of the urea solution heating and storage device of the present invention, the motor drives the main shaft, the paddles and the water guide to rotate, and the stirring assembly is arranged on the cover body through a limit block.

[0013] As a preferred solution of the urea solution heating and storage device of the present invention, the water guide member includes a water guide pipe and a connecting rod, the water guide pipe is spirally arranged on the main shaft through the connecting rod, at least one connecting rod is arranged, and at least one water guide pipe is arranged.

[0014] As a preferred solution of the urea solution heating and storage device of the present invention, the liquid-facing port on the water guide pipe is vertical to the horizontal plane, and the height of the liquid-facing port is not higher than the setting height of the water retaining block.

[0015] As a preferred solution of the urea solution heating and storage device of the present invention, the liquid-facing opening is a fan-shaped opening or a bell-shaped opening.

[0016] Beneficial effects of the present invention: The present invention arranges a water retaining block on the shell so that the vortex formed by the solution driven by the paddle blades contacts the water retaining block, and the solution enters the liquid-facing port of the water pipe better through the water guide side, so that the upper layer solution flows into the lower layer through the water pipe. At the same time, the connecting rod on the water pipe increases the stirring effect, and the heating pipe keeps the solution at an optimal temperature, which is more conducive to the storage of the solution. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of the urea solution heating and storage device.

[0019] Figure 2 This is a cross-sectional view of the overall structure of the urea solution heating and storage device.

[0020] Figure 3 This is a cross-sectional view of the housing of the urea solution heating storage device.

[0021] Figure 4 This is a schematic diagram of the stirring component structure of the urea solution heating and storage device. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0025] Example 1

[0026] Reference Figure 1 , which is the first embodiment of the present invention, provides a urea solution heating and storage device, which includes a shell 101, a cover body 102, a valve body 103, a heating pipe 104 and a stirring assembly 105.

[0027] Preferably, the shell 101 is barrel-shaped, the opening side of the shell 101 is arranged upward, the cover 102 is arranged on the opening side of the shell 101, the cover 102 is used to seal the shell 101, the valve body 103 is arranged at the bottom of the shell 101, the solution in the shell 101 is opened and closed by the valve body 103 to realize liquid discharge and storage, the heating tube 104 and the stirring component 105 are arranged in the shell 101, the heating tube 104 keeps the internal solution at a certain temperature, and the stirring component 105 stirs the solution to make the solution To achieve convection and avoid crystallization in the solution caused by uneven heating of the heating tube 104, the heating tube 104 is movably connected to the cover body 102, and one end of the heating tube 104 extending out of the cover body 102 is connected to the waste heat pipe. The stirring component 105 is limitedly connected to the cover body 102, that is, the stirring component 105 is limitedly set on the cover body 102, and a water retaining block 101a is set on the inner wall of the shell 101. The water retaining block 101a makes the solution change direction when the stirring component 105 is stirring, which is more conducive to the stirring component 105 to make the upper solution and the lower solution convection.

[0028] When in use, the shell 101 is barrel-shaped, and the open side of the shell 101 is set upward. The solution in the shell 101 is discharged and stored by the valve body 103. The heating tube 104 is movably connected to the cover body 102. The heating tube 104 extends out of the cover body 102 at one end and is connected to the waste heat pipe. The heating tube 104 keeps the internal solution at a certain temperature. The stirring component 105 is limitedly set on the cover body 102, and the stirring component 105 stirs the solution. The inner wall of the shell 101 is provided with a water retaining block 101a. The water retaining block 101a makes the solution change direction when the stirring component 105 stirs, which is more conducive to the stirring component 105 to make the upper solution and the lower solution convection.

[0029] Example 2

[0030] Reference Figure 1 to Figure 3 , which is the second embodiment of the present invention, and is different from the first embodiment in that: the water retaining block 101a is arranged on the lower side of the highest water level line of the shell 101, and is preferably arranged on the lower side of the highest water level line of the solution in the vortex rotation in this embodiment, and the solution in the shell 101 maintains a fixed height, so that during the stirring process of the stirring component 105, the water retaining block 101a blocks the vortex rotation on the surface of the solution and changes the direction of the solution toward the center of the barrel-shaped shell 101, at least one water retaining block 101a is arranged as an annular protrusion, the first connecting hole 101b is arranged on the bottom side of the shell 101, and the valve body 103 is connected to the shell 101 through the first connecting hole 101b.

[0031] Furthermore, the water retaining block 101a includes a ring side 101a-1, a right-angle side 101a-2 and a water guiding side 101a-3. The ring side 101a-1 faces the center of the barrel-shaped shell 101, and the right-angle sides 101a-2 are arranged on both sides of the water retaining block 101a. The right-angle sides 101a-2 make the solution collide with the water retaining block 101a better during vortex rotation. The water guiding side 101a-3 is arranged between the ring side 101a-1 and the right-angle side 101a-2. The water guiding side 101a-3 is arc-shaped. After the solution contacts the right-angle side 101a-2, it changes its flow direction through the water guiding side 101a-3, so that the solution flows toward the center of the shell 101, and realizes convection of the upper and lower layers of the solution in the shell 101 as the stirring assembly 105 rotates.

[0032] When in use, the water retaining block 101a is an annular protrusion, and the water retaining block 101a is arranged on the lower side of the highest water level line of the solution in the vortex rotation in the shell 101. The solution in the shell 101 maintains a fixed height. During the stirring process of the stirring component 105, the water retaining block 101a blocks the vortex rotation of the surface layer of the solution and changes the direction of the solution toward the center of the barrel-shaped shell 101. The right-angle sides 101a-2 are arranged on both sides of the water retaining block 101a. The right-angle sides 101a-2 make the collision effect of the solution with the water retaining block 101a better during the vortex rotation. After the solution contacts the right-angle sides 101a-2, it changes the flow direction through the arc-shaped water guiding side 101a-3, so that the solution flows toward the center of the shell 101, and the upper and lower layers of the solution in the shell 101 are convection realized as the stirring component 105 rotates.

[0033] Example 3

[0034] Reference Figure 1 to Figure 3 , which is the third embodiment of the present invention, and is different from the first embodiment in that: the cover body 102 includes a second connecting hole 102a and a water injection port 102b, the heating pipe 104 is arranged on the cover body 102 through the second connecting hole 102a, and one end of the heating pipe 104 extending out of the second connecting hole 102a is connected to a waste heat pipe, and the water injection port 102b enables the solution in the shell 101 to maintain a fixed height.

[0035] Preferably, the valve body 103 includes a switch wheel 103a and an output tube 103b, and the solution in the housing 101 flows out from the output tube 103b through the switch wheel 103a.

[0036] When in use, the heating tube 104 is arranged on the cover body 102 through the second connecting hole 102a. One end of the heating tube 104 extending out of the second connecting hole 102a is connected to a waste heat pipe, and the waste heat is used to heat the solution. The water injection port 102b keeps the solution in the shell 101 at a fixed height, which is beneficial for the water retaining block 101a to block and change the direction of the solution during the stirring process of the stirring assembly 105. The solution in the shell 101 flows out from the output pipe 103b through the switch wheel 103a.

[0037] Example 4

[0038] Reference Figure 4 , which is the fourth embodiment of the present invention, and is different from the first embodiment in that: the stirring component 105 includes a motor 105a, a limit block 105b, a main shaft 105c, a paddle 105d and a water guide 105e, the limit block 105b is arranged on one side of the motor 105a, the main shaft 105c is arranged on one side of the limit block 105b, the paddle 105d is arranged on one side of the main shaft 105c, and the water guide 105e is arranged on the main shaft 105c.

[0039] Preferably, the motor 105a drives the main shaft 105c, the paddle 105d and the water guide 105e to rotate, and the stirring assembly 105 is arranged on the cover body 102 through the limit block 105b.

[0040] Preferably, the water guiding member 105e includes a water guiding pipe 105e-1 and a connecting rod 105e-2. The water guiding pipe 105e-1 is spirally arranged on the main shaft 105c through the connecting rod 105e-2. At least one connecting rod 105e-2 is arranged, and at least one water guiding pipe 105e-1 is arranged. In this embodiment, the water guiding pipes 105e-1 are preferably symmetrically arranged on both sides of the main shaft 105c, and two connecting rods 105e-2 are arranged. The connecting rod 105e-2 also has a stirring effect on the solution when the stirring assembly 105 rotates. In this embodiment, the connecting rod 105e-2 is preferably a rectangular parallelepiped with a larger liquid-facing surface.

[0041] Furthermore, the liquid receiving port 105e-11 on the water pipe 105e-1 is vertical to the horizontal plane, so that the liquid receiving port 105e-11 can more easily connect the solution to the water pipe 105e-1. The height of the liquid receiving port 105e-11 is not higher than the setting height of the water retaining block 101a. In this embodiment, the setting height of the liquid receiving port 105e-11 is the same as that of the water retaining block 101a.

[0042] Furthermore, the liquid inlet 105e-11 is a fan-shaped or trumpet-shaped opening, so that the liquid inlet 105e-11 can introduce more upper solution and make the solution flow out from the other end of the water pipe 105e-1 away from the liquid inlet 105e-11 and enter the solution bottom layer of the shell 101.

[0043] When in use, the motor 105a drives the main shaft 105c, the paddle 105d and the water guide 105e to rotate, and the stirring assembly 105 is set on the cover body 102 through the limit block 105b. The liquid-facing port 105e-11 on the water guide pipe 105e-1 is vertical to the horizontal plane. The liquid-facing port 105e-11 is set at the same height as the water retaining block 101a. The liquid-facing port 105e-11 is a fan-shaped port or a trumpet port, so that the liquid-facing port 105e-11 can introduce more upper solution, and make the solution flow out from the other end of the water guide pipe 105e-1 away from the liquid-facing port 105e-11, and enter the solution bottom layer of the shell 101, and the connecting rod 105e-2 also has a stirring effect on the solution when the stirring assembly 105 rotates. The connecting rod 105e-2 preferably adopts a rectangular parallelepiped with a larger liquid-facing surface.

[0044] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangement, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0045] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0046] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0047] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A urea solution heating and storage device, characterized in that: include, A shell (101), the opening side of the shell (101) is arranged upward, a cover body (102) is arranged on the opening side of the shell (101), a valve body (103) is arranged at the bottom end of the shell (101), a heating tube (104) and a stirring assembly (105) are arranged in the shell (101), the heating tube (104) is movably connected to the cover body (102), the stirring assembly (105) is limitably connected to the cover body (102), and a water retaining block (101a) is arranged on the inner side wall of the shell (101).

2. The urea solution heating and storage device according to claim 1, characterized in that: The water retaining block (101a) is arranged below the highest water level line of the shell (101), at least one water retaining block (101a) is arranged as an annular protrusion, the first connecting hole (101b) is arranged on the bottom side of the shell (101), and the valve body (103) is connected to the shell (101) through the first connecting hole (101b).

3. The urea solution heating and storage device according to claim 2, characterized in that: The water retaining block (101a) comprises a ring side (101a-1), a right-angle side (101a-2) and a water-guiding side (101a-3); the ring side (101a-1) faces the center of the shell (101); the right-angle side (101a-2) is arranged on both sides of the water retaining block (101a); the water-guiding side (101a-3) is arranged between the ring side (101a-1) and the right-angle side (101a-2); and the water-guiding side (101a-3) is arc-shaped.

4. The urea solution heating and storage device according to claim 1 or 3, characterized in that: The cover body (102) comprises a second connection hole (102a) and a water injection port (102b); the heating tube (104) is arranged on the cover body (102) through the second connection hole (102a); and the water injection port (102b) enables the solution in the shell (101) to maintain a fixed height.

5. The urea solution heating and storage device according to claim 4, characterized in that: The valve body (103) comprises a switch wheel (103a) and an output pipe (103b), and the solution in the housing (101) flows out from the output pipe (103b) through the switch wheel (103a).

6. The urea solution heating and storage device according to claim 1 or 5, characterized in that: The stirring assembly (105) comprises a motor (105a), a limit block (105b), a main shaft (105c), a paddle (105d) and a water guide (105e), wherein the limit block (105b) is arranged on one side of the motor (105a), the main shaft (105c) is arranged on one side of the limit block (105b), the paddle (105d) is arranged on one side of the main shaft (105c), and the water guide (105e) is arranged on the main shaft (105c).

7. The urea solution heating and storage device according to claim 6, characterized in that: The motor (105a) drives the main shaft (105c), the paddle (105d) and the water guide (105e) to rotate, and the stirring assembly (105) is arranged on the cover body (102) through a limit block (105b).

8. The urea solution heating and storage device according to claim 7, characterized in that: The water guide member (105e) comprises a water guide pipe (105e-1) and a connecting rod (105e-2); the water guide pipe (105e-1) is spirally arranged on the main shaft (105c) via the connecting rod (105e-2); at least one connecting rod (105e-2) is arranged; and at least one water guide pipe (105e-1) is arranged.

9. The urea solution heating and storage device according to claim 8, characterized in that: The liquid receiving opening (105e-11) on the water guide pipe (105e-1) is vertical to the horizontal plane, and the height of the liquid receiving opening (105e-11) is not higher than the setting height of the water retaining block (101a).

10. The urea solution heating and storage device according to claim 9, characterized in that: The liquid-facing opening (105e-11) is a fan-shaped opening or a bell-shaped opening.