Device for preparing urea formaldehyde slow-release agent
By using electric heating tubes to heat the formaldehyde solution and grinding urea particles in the urea formaldehyde sustained release agent preparation device, the problem of poor fusion effect caused by adhesion of urea particles is solved, and the preparation efficiency and reaction sufficiency are improved.
Patent Information
- Application Number
- CN202420524566.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-18
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-03-18
AI Technical Summary
During the preparation process of the existing urea formaldehyde sustained-release agent preparation device, the urea is prone to particles to adhere, resulting in poor fusion effect with the formaldehyde solution, which affects the preparation efficiency.
A device including a solution chamber, a crushing chamber and a mixing chamber is designed to heat the formaldehyde solution through an electric heating tube to avoid its polymerization, and grind urea particles with fixed grinding blocks and rotary grinding blocks to increase their contact area, and improve mixing efficiency through gears and stirring rods.
By heating the formaldehyde solution and grinding the urea particles, the fusion efficiency of the two is improved, the adequacy of the reaction is enhanced, the preparation efficiency of the urea formaldehyde sustained release agent is improved, and the problem of device blockage is avoided.
Smart Images
Figure CN222624360U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of urea-formaldehyde synthesis, in particular to a device for preparing a urea-formaldehyde slow-release agent. Background Art
[0002] Urea formaldehyde slow-release agent is a multi-component mixture generated by the reaction of urea and high-concentration formaldehyde under alkaline conditions. It is mainly dihydroxymethylurea and trihydroxymethylurea, as well as a small amount of tetrahydroxymethylurea, methylene glycol, low-molecular-weight polyformaldehyde, etc. Urea formaldehyde slow-release agent is the raw material for producing urea-formaldehyde glue, and is also the raw material for producing urea formaldehyde slow-release fertilizer. In the process of preparing urea formaldehyde slow-release agent, formaldehyde and urea formaldehyde slow-release agent preparation equipment are required to complete the preparation of urea formaldehyde slow-release agent.
[0003] At present, most of the existing urea formaldehyde slow-release agent preparation devices have the following shortcomings: when preparing the urea formaldehyde slow-release agent, formaldehyde and urea are required as raw materials to prepare the urea formaldehyde pre-shrinkage liquid. Since the urea particles fed are easy to stick together, the fusion effect of the urea with the formaldehyde solution is poor, which affects the preparation of the urea formaldehyde slow-release agent. Therefore, a device for preparing the urea formaldehyde slow-release agent is needed to improve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a device for preparing a urea formaldehyde slow-release agent to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A device for preparing a urea formaldehyde sustained-release agent comprises a shell, wherein a solution bin is provided at the upper end of the shell, a crushing bin is provided inside the solution bin, a fixed grinding block is fixedly provided inside the crushing bin, a motor is fixedly provided at the upper end of the crushing bin, a first rotating shaft is provided at the lower end of the motor for transmission, a rotating grinding block is fixedly provided at the surface of the first rotating shaft corresponding to the fixed grinding block, a mixing bin is provided at the lower end of the solution bin, a plurality of fixed plates are fixedly provided at the surface of the first rotating shaft corresponding to the mixing bin, a sleeve is fixedly provided at one end of the fixed plate, a second rotating shaft is rotatably provided inside the sleeve, a plurality of stirring rods are fixedly provided on the surface of the second rotating shaft, a gear is fixedly provided at the upper end of the second rotating shaft, a gear ring is fixedly provided on the lower surface of the solution bin, an electric heating pipe is provided inside the shell, an electric heater is provided at the upper end of the shell, the electric heater is electrically connected to the electric heating pipe, a formaldehyde solution is injected into the solution bin through a solution inlet, the electric heater is started to heat the electric heating pipe, and the solution bin is heated, so that the formaldehyde solution will not polymerize when heated, and the electromagnetic valve is avoided from being blocked.
[0007] As a preferred solution of the utility model, the fixed grinding block is arranged in a funnel shape, the rotating grinding block is arranged in a cone shape, and the gap between the rotating grinding block and the fixed grinding block decreases from top to bottom. The urea granules are poured into the crushing bin through the material inlet, and the motor is started to drive the rotating grinding block to rotate, and the fixed grinding block is used to grind the granules, thereby increasing the contact area of urea and making the reaction more complete.
[0008] As a preferred solution of the present utility model, the solution tank and the mixing tank are connected via a solenoid valve.
[0009] As a preferred solution of the utility model, the gear ring is meshed with the gear, and the center of the gear ring is the same as the center of the first rotating shaft. The ground particles and the solution are mixed inside the mixing chamber. The first rotating shaft drives the fixed plate to rotate, thereby driving the second rotating shaft and the stirring rod on the surface to revolve. At this time, the gear at one end of the second rotating shaft moves on the surface of the gear ring, thereby driving the stirring rod to rotate and stir, thereby improving the mixing efficiency.
[0010] As a preferred solution of the utility model, a solution inlet is fixedly provided at the upper end of the solution tank.
[0011] As a preferred solution of the utility model, a material inlet is fixedly provided at the upper end of the crushing bin.
[0012] As a preferred solution of the utility model, a detection port is fixedly provided on one side surface of the mixing bin, and a discharge port is provided at the lower end of the mixing bin, and liquid can be detected through the detection port and the solution can be discharged through the discharge port.
[0013] As a preferred solution of the utility model, a bracket is fixedly provided on the outer side of the shell.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. In the utility model, the formaldehyde solution is injected into the solution bin through the solution inlet, the electric heater is started to heat the electric heating tube, and the solution bin is heated, so that the formaldehyde solution will not polymerize when heated, and the electromagnetic valve is avoided from being blocked. The urea particles are poured into the crushing bin through the material inlet, and the motor is started to drive the rotating grinding block to rotate, and the fixed grinding block is used to grind the particles, so as to increase the contact area of urea and make the reaction more complete, so as to facilitate the fusion of urea and formaldehyde solution in the later stage.
[0016] 2. In the utility model, the ground particles are mixed with the solution inside the mixing chamber, and the first rotating shaft drives the fixed plate to rotate, thereby driving the second rotating shaft and the stirring rod on the surface to revolve. At this time, the gear at one end of the second rotating shaft moves on the surface of the gear ring, thereby driving the stirring rod to rotate and stir, thereby improving the mixing efficiency. The liquid can be detected through the detection port, and the solution can be discharged through the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the overall internal structure of the utility model;
[0019] Figure 3 It is a schematic diagram of the top view structure of the gear ring of the present utility model.
[0020] In the figure: 1. crushing chamber; 2. solution chamber; 3. gear ring; 4. gear; 5. sleeve; 6. bracket; 7. second rotating shaft; 8. stirring rod; 9. mixing chamber; 10. detection port; 11. fixed grinding block; 12. rotating grinding block; 13. solenoid valve; 14. fixed plate; 15. first rotating shaft; 16. electric heating tube; 17. electric heater; 18. solution inlet; 19. motor; 20. material inlet; 21. discharge port; 22. casing. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.
[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.
[0024] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.
[0025] It should be noted that, in the present application, the terms "comprise", "include" or any other variant 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. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.
[0026] See also Figure 1-3 , the utility model provides a technical solution:
[0027] A device for preparing a urea formaldehyde sustained-release agent comprises a shell 22, a solution chamber 2 is provided at the upper end of the shell 2, a crushing chamber 1 is provided inside the solution chamber 2, a fixed grinding block 11 is fixedly provided inside the crushing chamber 1, a motor 19 is fixedly provided at the upper end of the crushing chamber 1, a first rotating shaft 15 is provided at the lower end of the motor 19, a rotating grinding block 12 is fixedly provided at a position corresponding to the fixed grinding block 11 on the surface of the first rotating shaft 15, a mixing chamber 9 is provided at the lower end of the solution chamber 2, a plurality of fixed plates 14 are fixedly provided at the surface of the first rotating shaft 15 corresponding to the mixing chamber 9, and a sleeve 5 is fixedly provided at one end of the fixed plate 14 A second rotating shaft 7 is rotatably provided inside the sleeve 5, a plurality of stirring rods 8 are fixedly provided on the surface of the second rotating shaft 7, a gear 4 is fixedly provided on the upper end of the second rotating shaft 7, a gear ring 3 is fixedly provided on the lower surface of the solution tank 2, an electric heating tube 16 is provided inside the outer shell 22, an electric heater 17 is provided on the upper end of the outer shell 22, the electric heater 17 is electrically connected to the electric heating tube 16, the formaldehyde solution is injected into the solution tank 2 through the solution inlet 18, the electric heater 17 is started to heat the electric heating tube 16, and the solution tank 2 is heated, so that the formaldehyde solution will not polymerize when heated, and the solenoid valve 13 is avoided from being blocked.
[0028] As an example of the present invention, the fixed grinding block 11 is arranged in a funnel shape, the rotating grinding block 12 is arranged in a cone shape, and the gap between the rotating grinding block 12 and the fixed grinding block 11 decreases from top to bottom. The urea granules are poured into the crushing bin 1 through the material inlet 20, and the motor 19 is started to drive the rotating grinding block 12 to rotate, and cooperate with the fixed grinding block 11 to grind the granules, thereby increasing the contact area of urea and making the reaction more complete.
[0029] As an example of the present invention, the solution tank 2 and the mixing tank 9 are connected via a solenoid valve 13 .
[0030] As an example of the present invention, the gear ring 3 is meshed with the gear 4, and the center of the gear ring 3 is the same as the center of the first rotating shaft 15. The ground particles and the solution are mixed inside the mixing chamber 9. The first rotating shaft 15 drives the fixed plate 14 to rotate, thereby driving the second rotating shaft 7 and the stirring rod 8 on the surface to revolve. At this time, the gear 4 at one end of the second rotating shaft 7 moves on the surface of the gear ring 3, thereby driving the stirring rod 8 to rotate and stir, thereby improving the mixing efficiency.
[0031] As an example of the present invention, a solution inlet 18 is fixedly provided at the upper end of the solution tank 2 .
[0032] As an example of the present invention, a material inlet 20 is fixedly provided at the upper end of the crushing bin 1 .
[0033] As an example of the present invention, a detection port 10 is fixedly provided on one side surface of the mixing bin 9 , and a discharge port 21 is provided at the lower end of the mixing bin 9 . Liquid can be detected through the detection port 10 , and the solution can be discharged through the discharge port 21 .
[0034] As an example of the present invention, a bracket 6 is fixedly provided on the outer side of the housing 22 .
[0035] Working principle: When in use, the formaldehyde solution is injected into the solution bin 2 through the solution inlet 18, the electric heater 17 is started to heat the electric heating tube 16, and the solution bin 2 is heated so that the formaldehyde solution will not polymerize when heated to avoid clogging the solenoid valve 13, and the urea granules are poured into the crushing bin 1 through the material inlet 20, and the motor 19 is started to drive the rotating grinding block 12 to rotate, and cooperate with the fixed grinding block 11 to grind the granules, so as to increase the contact area of urea and make the reaction more complete, so as to facilitate the fusion of urea and formaldehyde solution in the later stage. After grinding, the granules and the solution are mixed in the mixing bin 9, and the first rotating shaft 15 drives the fixed plate 14 to rotate, thereby driving the second rotating shaft 7 and the stirring rod 8 on the surface to revolve. At this time, the gear 4 at one end of the second rotating shaft 7 moves on the surface of the gear ring 3, thereby driving the stirring rod 8 to rotate and stir, thereby improving the mixing efficiency. The liquid can be detected through the detection port 10, and the solution can be discharged through the discharge port 21.
[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for preparing a urea formaldehyde slow-release agent, comprising a housing (22), characterized in that: A solution bin (2) is provided at the upper end of the housing (22), a crushing bin (1) is provided inside the solution bin (2), a fixed grinding block (11) is fixedly provided inside the crushing bin (1), a motor (19) is fixedly provided at the upper end of the crushing bin (1), a first rotating shaft (15) is provided at the lower end of the motor (19), a rotating grinding block (12) is fixedly provided on the surface of the first rotating shaft (15) corresponding to the fixed grinding block (11), a mixing bin (9) is provided at the lower end of the solution bin (2), and the surface of the first rotating shaft (15) corresponds to the mixing bin (9). ) is fixedly provided with a plurality of fixed plates (14), one end of the fixed plate (14) is fixedly provided with a sleeve (5), a second rotating shaft (7) is rotatably provided inside the sleeve (5), a plurality of stirring rods (8) are fixedly provided on the surface of the second rotating shaft (7), a gear (4) is fixedly provided on the upper end of the second rotating shaft (7), a gear ring (3) is fixedly provided on the lower surface of the solution tank (2), an electric heating pipe (16) is provided inside the outer shell (22), an electric heater (17) is provided at the upper end of the outer shell (22), and the electric heater (17) is electrically connected to the electric heating pipe (16).
2. The device for preparing a urea formaldehyde sustained-release agent according to claim 1, characterized in that: The fixed grinding block (11) is arranged in a funnel shape, the rotating grinding block (12) is arranged in a cone shape, and the gap between the rotating grinding block (12) and the fixed grinding block (11) decreases from top to bottom.
3. The device for preparing a urea formaldehyde sustained-release agent according to claim 1, characterized in that: The solution tank (2) and the mixing tank (9) are connected via a solenoid valve (13).
4. The device for preparing a urea formaldehyde sustained-release agent according to claim 1, characterized in that: The gear ring (3) is meshingly connected with the gear (4), and the center of the gear ring (3) is the same as the center of the first rotating shaft (15).
5. The device for preparing a urea formaldehyde sustained-release agent according to claim 1, characterized in that: A solution inlet (18) is fixedly provided at the upper end of the solution tank (2).
6. The device for preparing a urea formaldehyde sustained-release agent according to claim 1, characterized in that: A material inlet (20) is fixedly provided at the upper end of the crushing bin (1).
7. The device for preparing a urea formaldehyde sustained-release agent according to claim 1, characterized in that: A detection port (10) is fixedly provided on one side surface of the mixing bin (9), and a discharge port (21) is provided at the lower end of the mixing bin (9).
8. The device for preparing a urea formaldehyde sustained-release agent according to claim 1, characterized in that: A bracket (6) is fixedly provided on the outer side of the housing (22).