Anti-kogation heating device
Patent Information
- Application Number
- CN202522279944.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-28
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-10-28
AI Technical Summary
[0004]本实用新型提供一种防结油加热装置，解决现有电磁加热均匀性不足的问题
1、加热均匀高效：使用加热罩扣合罩住油桶，通过电磁涡流直接对油桶壁进行加热，避免磁场分布不均，热效率高，加热罩尺寸可根据实际生产使用的油桶规格进行相应设计。
Smart Images
Figure CN224787385U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of compound fertilizer production technology, specifically to an anti-oil-caking heating device. Background Technology
[0002] Compound fertilizers are prone to caking during production and transportation due to environmental factors such as temperature, humidity, and oxygen. Anti-caking oil, an organic compound containing paraffin wax, octadecylamine, and mineral oil, is widely used in compound fertilizers, nitrogen fertilizers, and phosphate fertilizers to prevent caking. It not only prevents caking but also improves the fertilizer's binding force and flowability, making it easier to use. However, anti-caking oil is an oily liquid at low temperatures (below 20°C) and easily solidifies. Therefore, it must be melted before use to achieve suitable flowability, promoting even coating of the compound fertilizer and preventing oil droplet residue, uneven distribution, or blockage of pipes or equipment, thus affecting the fertilizer's effectiveness.
[0003] In existing technologies, there are various methods for heating anti-caking oil, including steam heating pipe heating, electric heating, and electromagnetic heating. Steam heating and electric heating consume a lot of energy. Electromagnetic heating, as shown in patent CN222624485U, is a heating device for melting compound fertilizer anti-caking agents. It heats the oil through a first electromagnetic induction shell and a second electromagnetic induction shell wrapped around the anti-caking agent oil tank. Although electromagnetic heating is highly efficient, this device has the following problems: 1. The rotating shaft opening and closing design may cause wear and damage to the shaft and locking mechanism due to frequent opening and closing, affecting sealing and heating efficiency; 2. If the anti-caking agent oil tank has non-standard dimensions (such as deformation or dents), the opening and closing unit cannot fit tightly against the tank wall, resulting in uneven magnetic field distribution, local overheating or heating failure. Uneven heat conduction may lead to overheating and carbonization of the outer layer of the anti-caking oil while the inner layer is not completely melted. In practical applications, local overheating can easily damage the active ingredients of the anti-caking agent. Therefore, there is an urgent need for an anti-caking oil heating device with uniform heating. Utility Model Content
[0004] This invention provides an anti-oil-caking heating device that solves the problem of insufficient uniformity in existing electromagnetic heating.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an anti-oil-caking heating device, comprising a frame, an electromagnetic eddy current heating mechanism, a lifting mechanism, and a control unit; the electromagnetic eddy current heating mechanism is movably mounted on the top of the frame via the lifting mechanism, and includes a cylindrical heating shroud with an open lower end and an electromagnetic eddy current coil wound around the inner wall of the heating shroud; the lifting mechanism is used to drive the electromagnetic eddy current heating mechanism to perform lifting and lowering movements, so that the heating shroud can close and cover or lift away the oil drum placed on the worktable of the frame; the control unit is electrically connected to the electromagnetic eddy current heating mechanism and the lifting mechanism, and is used to control the lifting and lowering movements of the lifting mechanism and the start / stop and power of the electromagnetic eddy current heating mechanism.
[0006] Furthermore, the heating cover has a high-temperature resistant insulating layer, an electromagnetic eddy current coil, and a heat insulation layer arranged sequentially from the inside to the outside, forming a composite heat insulation structure; wherein, the heat insulation layer is made of aluminum silicate cotton.
[0007] Furthermore, the lower end of the heating cover is also provided with an elastic buffer sealing ring in the circumferential direction, which is used to reduce the impact of collision with the worktable when the heating cover is lowered to the working position, and to partially isolate the interior of the heating cover from the external environment.
[0008] Furthermore, the lifting mechanism includes a cylinder and a guide assembly; the cylinder is vertically fixed to the top of the frame, and the lower end of its piston rod is fixedly connected to the center of the top of the heating cover; the guide assembly includes 2-4 sets of guide rods and guide sleeves symmetrically arranged circumferentially along the top of the heating cover, the guide sleeve is fixed to the top of the frame, one end of the guide rod is fixed to the top of the heating cover, and the other end slides through the guide sleeve.
[0009] Furthermore, the control unit includes a temperature controller and an operation panel; the signal input terminal of the temperature controller is connected to a non-contact infrared temperature sensor for monitoring the temperature of the outer wall of the oil drum; the operation panel is located on the side of the frame and integrates start and stop buttons, temperature setting buttons and lifting control buttons.
[0010] Furthermore, the control unit is also equipped with a data recording module, an overload protection module, and a temperature alarm module; the data recording module is used to record heating process data, and when the electromagnetic eddy current coil current is overloaded or the detected temperature exceeds a set threshold, the overload protection module automatically cuts off the heating power supply, and the temperature alarm module issues an audible and visual alarm.
[0011] Compared with existing technologies, the beneficial effects of this solution are: 1. Uniform and efficient heating: The heating cover is used to cover the oil drum, and the oil drum wall is heated directly by electromagnetic eddy currents, which avoids uneven magnetic field distribution and has high thermal efficiency. The size of the heating cover can be designed according to the specifications of the oil drum used in actual production.
[0012] 2. Precise and controllable temperature: Through closed-loop control of the temperature controller and control unit, the heating temperature can be stabilized within the set range to prevent oil from overheating and deteriorating, and to ensure the effect of subsequent emulsification ratio.
[0013] 3. Safe and reliable: Multiple safety protections are set up, including composite thermal insulation structure, overload protection, over-temperature alarm, buffer sealing ring and collaborative interlocking control logic, which effectively avoids risks such as fire, electric shock and equipment damage. Attached Figure Description
[0014] Figure 1 This is an overall structural diagram of an anti-oil-caking heating device according to the present invention; Figure 2 This is a cross-sectional view of the electromagnetic eddy current heating mechanism of this utility model; Figure 3 This is a block diagram of the control unit of this utility model.
[0015] In the diagram: 1-Frame, 2-Electromagnetic eddy current heating mechanism, 21-Heating cover, 22-Electromagnetic eddy current coil, 23-Insulation layer, 24-Heat insulation layer, 25-Elastic buffer sealing ring, 3-Lifting mechanism, 31-Cylinder, 32-Guide assembly, 4-Control unit, 41-Temperature controller, 42-Operation panel, 43-Data recording module, 44-Overload protection module, 45-Temperature alarm module, 46-Infrared temperature sensor, 5-Oil drum. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] Implementation, for example, attached Figure 1-3 As shown: This embodiment is an anti-oil-caking heating device, including a frame 1, an electromagnetic eddy current heating mechanism 2, a lifting mechanism 3, and a control unit 4.
[0018] The frame 1 supports all components. It is made of welded stainless steel and has anti-slip feet on the bottom to ensure the stability of the device. The frame 1 also has a worktable for placing oil drums.
[0019] The electromagnetic eddy current heating mechanism 2 is movably mounted on top of the frame 1 via a lifting mechanism 3. The electromagnetic eddy current heating mechanism 2 includes a cylindrical heating cover 21 with an open lower end and an electromagnetic eddy current coil 22 wound around the inner wall of the heating cover. The inner diameter of the heating cover 21 is designed according to the outer diameter of the oil drum 5, allowing it to fit snugly over the oil drum 5 without excessive gap. The heating cover 21 can be designed in different specifications according to actual needs to ensure a tight fit with the outer wall of the oil drum 5 after sealing, minimizing heat loss. The wall of the heating cover 21 adopts a composite thermal insulation structure: the innermost layer is a high-temperature resistant insulating layer 23 directly facing the oil drum 5, such as high-temperature resistant materials like boron nitride ceramic, alumina ceramic, and talc ceramic, to prevent the electromagnetic eddy current coil 22 from short-circuiting or being contaminated by oil buildup; next is the wound electromagnetic eddy current coil 22, with an aluminum silicate cotton insulation layer 24 filling the outside of the coil to further reduce heat loss and improve heating efficiency; the outermost layer is the metal shell of the heating cover 21. This structure maximizes the heat transfer to the oil drum 5 and minimizes heat loss to the environment. A flexible buffer sealing ring 25 is also installed on the lower edge of the heating cover 21 for buffering and partial sealing. In this design, the heating cover 21 is made of carbon steel.
[0020] The lifting mechanism 3 drives the electromagnetic eddy current heating mechanism 2 to move up and down, enabling the heating cover 21 to close and cover or lift the oil drum 5 placed on the worktable of the frame. The lifting mechanism 3 includes a cylinder 31 and a guide assembly 32. The cylinder 31 is vertically fixed to the top of the frame 1, and the lower end of its piston rod is fixedly connected to the center of the top of the heating cover 21. The guide assembly 31 includes 2-4 sets of guide rods and guide sleeves symmetrically arranged around the top of the heating cover. The guide sleeves are fixed to the top of the frame 1, one end of the guide rod is fixed to the top of the heating cover 21, and the other end slides through the guide sleeve.
[0021] The control unit 4 is electrically connected to the electromagnetic eddy current heating mechanism 2 and the lifting mechanism 3. It is used to coordinate the lifting and lowering actions of the lifting mechanism 3 and the start / stop and power of the electromagnetic eddy current heating mechanism 2 according to a preset program or real-time feedback, thereby achieving automated control of heating and lifting. The control unit 4 integrates a temperature controller 41, an operation panel 42, a data recording module 43, an overload protection module 44, and a temperature alarm module 45. The operation panel 42 is located on the side of the frame 1 and integrates start and stop buttons, a temperature setting button, and a lifting control button, making operation simple and intuitive.
[0022] The signal input terminal of the temperature controller 41 is connected to a non-contact infrared temperature sensor 46. The infrared temperature sensor 46 is installed on the inner wall of the heating cover 2, which monitors the temperature of the outer wall of the oil drum 5 in real time and feeds it back to the temperature controller 41. The temperature controller 41 automatically adjusts the heating power of the electromagnetic eddy current coil 22 according to the set value (the melting temperature of the anti-caking oil is usually 50-70℃) to avoid overheating and deterioration of the anti-caking oil components, and to ensure accurate and stable temperature.
[0023] In this design, the control unit 4 also pre-stores heating curves for various anti-caking oils (such as heating rate, constant temperature, time, etc.) and can adaptively adjust the output power according to the real-time temperature. The data recording module 43 is used to record heating process data. When the electromagnetic eddy current coil 22 is overloaded or the detected temperature exceeds the set threshold, the overload protection module 44 automatically cuts off the heating power supply, and the temperature alarm module 45 issues an audible and visual alarm to improve the safety of the device.
[0024] Working principle: The operator places the oil drum 5 containing the anti-condensation oil on the workbench of the frame 1, selects or sets the heating parameters through the operation panel 42, and starts the device. The device operates automatically according to the preset program. The lifting mechanism 3 drives the heating cover 21 to descend and cover the oil drum 5. The electromagnetic eddy current coil 22 is energized to start heating. At the same time, the infrared temperature sensor 46 monitors and provides feedback in real time. After the set conditions are reached, heating stops, the heating cover 21 rises, and the oil drum 5 can be removed for subsequent emulsification and proportioning.
[0025] The above descriptions are merely embodiments of this utility model, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.
Claims
1. An anti-oil-caking heating device, comprising a frame, an electromagnetic eddy current heating mechanism, a lifting mechanism, and a control unit, characterized in that: The electromagnetic eddy current heating mechanism is movably mounted on the top of the frame via a lifting mechanism. The electromagnetic eddy current heating mechanism includes a cylindrical heating cover with an open lower end and an electromagnetic eddy current coil wound around the inner wall of the heating cover. The lifting mechanism is used to drive the electromagnetic eddy current heating mechanism to move up and down, so that the heating cover can close and cover or lift away the oil drum placed on the worktable of the frame. The control unit is electrically connected to the electromagnetic eddy current heating mechanism and the lifting mechanism, and is used to control the lifting action of the lifting mechanism and the start, stop and power of the electromagnetic eddy current heating mechanism.
2. The anti-oil-caking heating device according to claim 1, characterized in that: The heating cover has a high-temperature resistant insulating layer, an electromagnetic eddy current coil, and a heat insulation layer arranged sequentially from the inside to the outside, forming a composite heat insulation structure; wherein, the heat insulation layer is made of aluminum silicate cotton.
3. The anti-oil-caking heating device according to claim 1, characterized in that: The lower end of the heating cover is also provided with an elastic buffer sealing ring in the circumferential direction, which is used to reduce the impact of collision with the worktable when the heating cover is lowered to the working position, and to partially isolate the inside of the heating cover from the external environment.
4. The anti-oil-caking heating device according to claim 1, characterized in that: The lifting mechanism includes a cylinder and a guide assembly; the cylinder is vertically fixed to the top of the frame, and the lower end of its piston rod is fixedly connected to the center of the top of the heating cover; the guide assembly includes 2-4 sets of guide rods and guide sleeves symmetrically arranged around the top of the heating cover, the guide sleeve is fixed to the top of the frame, one end of the guide rod is fixed to the top of the heating cover, and the other end slides through the guide sleeve.
5. The anti-oil-caking heating device according to claim 1, characterized in that: The control unit includes a temperature controller and an operation panel; the signal input terminal of the temperature controller is connected to a non-contact infrared temperature sensor for real-time monitoring of the temperature of the outer wall of the oil drum; the operation panel is located on the side of the frame and integrates start and stop buttons, temperature setting buttons and lifting control buttons.
6. The anti-oil-caking heating device according to claim 5, characterized in that: The control unit is also equipped with a data recording module, an overload protection module, and a temperature alarm module. The data recording module is used to record heating process data. When the electromagnetic eddy current coil current is overloaded or the detected temperature exceeds the set threshold, the overload protection module automatically cuts off the heating power supply, and the temperature alarm module issues an audible and visual alarm.