Non-contact high-temperature curing kettle heating structure
The non-contact heating structure of the eddy current heater and cooling circulator solves the problem of easy damage to mica heating plates, realizes efficient and uniform heating of the high-temperature curing kettle, extends equipment life and reduces maintenance costs.
Patent Information
- Application Number
- CN202520123401.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-20
AI Technical Summary
The existing high-temperature curing kettles have mica heating elements that are prone to cracking and splitting, have poor sealing, short service life, high maintenance costs, uneven heating, and low thermal efficiency.
It adopts a non-contact heating structure with eddy current heaters and cooling circulators. The eddy current heaters generate heat through the eddy current effect. Combined with a frequency converter and insulation layer, the eddy current heaters are layered eddy current heating frames and the cooling circulators are layered spiral pipelines, forming a closed-loop control.
It achieves long-term stable operation in high-temperature environments, with high thermal efficiency, uniform heating, and reduced maintenance frequency and costs.
Smart Images
Figure CN223678235U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of curing kettle, specifically relates to a non -contact high temperature curing kettle heating structure. BACKGROUND
[0002] High temperature curing kettle heating adopts mica sheet type heating mode generally, mainly carries out heating through the mode of heat transfer to the kettle, makes the fluid in the kettle reach target temperature.
[0003] The existing defects are as follows:
[0004] 1, mica heating sheet is wound by sheet mica and heating alloy wire, and the sheet mica needs to bear the continuous thermal expansion and contraction in heating, and problems such as cracking and cracking are prone to occur, and the heating temperature and load of the coil also have certain requirements.The sealing of the sheet structure is poor, and once water or moisture enters, it is easy to cause short circuit, open circuit and other faults of the heating coil, which needs to be replaced or repaired in time, which also increases the maintenance and use cost.
[0005] 2, due to the special structure of mica heating sheet, the high temperature resistance is limited, and the service life is generally 2-3 years, the service life is relatively short, and more frequent replacement or maintenance is required, which increases the use cost.
[0006] In view of the above factors, the utility model provides a non -contact high temperature curing kettle heating structure, which can work in high temperature environment for a long time, and the heating is uniform, the heat efficiency is high, and the heating task can be completed without strict contact with the heating medium. UTILITY MODEL CONTENTS
[0007] The utility model aims at providing a non -contact high temperature curing kettle heating structure to solve the problems in the above background technology.
[0008] The utility model aims at providing a non -contact high temperature curing kettle heating structure to solve the problems in the above background technology.
[0009] The kettle body and the heat preservation layer are provided with a containing cavity groove, and the vortex heater is spirally laid along the outer circumference of the kettle body in the containing cavity groove;
[0010] Both ends of the vortex heater extend to the outside of the kettle body and are connected with the frequency conversion controller, and the thermocouple forms a closed loop control with the frequency conversion controller and the vortex heater.
[0011] Further, the vortex heater is a layered vortex heating frame, and the layered vortex heating frame comprises a plurality of circular vortex coils.
[0012] Further, the accommodating cavity groove is internally provided with a cooling circulator along the kettle body, the cooling circulator is a layered structure, the cooling circulator comprises a plurality of spiral circular spiral pipelines, and the upper and lower ends of the cooling circulator are respectively provided with water outlet ends / water inlet ends penetrating through the kettle body.
[0013] Further, the accommodating cavity groove is internally provided with a cooling circulator along the kettle body, the cooling circulator is a layered structure, the cooling circulator comprises a plurality of spiral circular spiral pipelines, and the upper and lower ends of the cooling circulator are respectively provided with water outlet ends / water inlet ends penetrating through the kettle body.
[0014] Further, the cooling circulator is arranged in a spiral mode between the vortex heaters.
[0015] Further, the outer side of the kettle body is provided with a stainless steel protective layer, and the stainless steel protective layer is wrapped on the outer side of the heat preservation layer.
[0016] Further, the heat preservation layer is made of rigid polyurethane foam or aluminum silicate fiber felt material.
[0017] Further, the outer side of the kettle body is provided with a heat insulation layer at a position in contact with the vortex heater and the cooling circulator, and the heat insulation layer is made of high-temperature-resistant heat insulation material.
[0018] Compared with the prior art, the kettle body has the advantages that:
[0019] The kettle body adopts a vortex heater to generate heat by vortex effect and heat. The vortex refers to the eddy current generated due to the change of magnetic induction lines when the conductor material is in an alternating magnetic field. The vortex heater can cause the temperature of the conductor material (kettle body) to rise, thereby achieving the purpose of heating.
[0020] The kettle body can work in a high-temperature environment for a long time, and the heating is uniform and the thermal efficiency is high.
[0021] The kettle body can complete the heating task without strict contact with the heating medium. BRIEF DESCRIPTION OF DRAWINGS
[0022] Fig. 1 is a schematic diagram of the overall connection of the kettle body;
[0023] Fig. 2 is a schematic diagram of the connection of the electromagnetic coil and the conductor material of the kettle body;
[0024] Fig. 3 is a schematic diagram of the support and the heat insulation layer platform of the kettle body. DETAILED DESCRIPTION
[0025] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range of the utility model protection.
[0026] In the description of the utility model, it is necessary to explain that, unless there is explicit provision and limitation, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, or integrally connected, it can be directly connected, also can be indirectly connected through intermediate medium. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific conditions.
[0027] In the description of the utility model, it is necessary to understand that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as a limitation on the utility model.
[0028] As Figs. 1-3 As shown in a kind of non-contact high temperature curing kettle heating structure, including frequency conversion controller 6, still including the kettle body 1 connected with frequency conversion controller 6, the periphery of the kettle body 1 is wrapped with heat preservation layer 5, detachably connected with closed kettle cover 2 on the kettle body 1, closed kettle cover 2 is provided with thermocouple 7 measuring the temperature of liquid in kettle body, and thermocouple 7 is connected with the detection end of frequency conversion controller 6 by connecting wire.
[0029] The kettle body 1 and heat preservation layer 5 are provided with a containing cavity groove, and the vortex heater 3 is spirally laid along the outer circumference of the kettle body 1 in the containing cavity groove;
[0030] The bottom of the kettle body 1 is provided with a support 9 for supporting the kettle body 1, and the bottom of the support 9 is located on the heat insulation platform with the heat insulation layer, and the heat insulation layer provided on the heat insulation platform is a ternary ethylene-propylene and butyronitrile heat insulation layer.
[0031] A stainless steel protective layer is provided on the outer side of the kettle body 1, and a ternary ethylene-propylene heat insulation layer or a butyronitrile heat insulation layer is provided in the inner layer of the stainless steel protective layer.
[0032] The two ends of the eddy current heater 3 extend to the outside of the kettle body 1 and are connected with the variable frequency controller 6, and the thermocouple 7 forms a closed loop control with the variable frequency controller 6 and the eddy current heater 3.
[0033] In order to facilitate the formation of uniform heating effect in the kettle body in the use state, the eddy current heater 3 is a layered eddy current heating frame, which includes multiple layers of circular eddy current coils.
[0034] In order to facilitate the cooling treatment of the kettle body in the use state, so as to achieve the cooling effect, a cooling circulator 8 is arranged inside the accommodating cavity along the kettle body, the cooling circulator 8 is a layered structure, the cooling circulator 8 includes multiple layers of spiral circular spiral pipe lines, and the upper and lower ends of the cooling circulator 8 are respectively provided with water outlet / inlet ends penetrating the kettle body, and the water outlet / inlet ends are respectively connected with a circulating water cooling box.
[0035] In order to facilitate the cooling treatment of the kettle body in the use state, so as to achieve the cooling effect, a cooling circulator 8 is arranged inside the accommodating cavity along the kettle body, the cooling circulator 8 is a layered structure, the cooling circulator 8 includes multiple layers of spiral circular spiral pipe lines, and the upper and lower ends of the cooling circulator 8 are respectively provided with gas outlet / inlet ends penetrating the kettle body.
[0036] The gas outlet end is closed by plugging, and the gas inlet end is cooled by cooling gas.
[0037] In order to facilitate the uniform cooling treatment of the kettle body in the use state, the cooling circulator 8 is arranged in a spiral manner between the eddy current heaters 3.
[0038] The outer side of the kettle body 1 is provided with a stainless steel protective layer, which is wrapped outside the heat preservation layer.
[0039] In order to facilitate the heat preservation effect in the use state, the heat preservation layer 5 is made of hard polyurethane foam or aluminum silicate fiber felt material.
[0040] In order to facilitate the heat preservation effect in the use state, the heat preservation effect in the use state is prevented by the heat insulation layer, the outer side of the kettle body 1 is provided with a heat insulation layer 4 at the contact position of the eddy current heater 3 and the cooling circulator 8, and the heat insulation layer 4 is made of high-temperature resistant insulation material.
[0041] The utility model discloses a vortex heater utilizes the eddy current effect to produce heat and heats, and the heating is even, and when the conductor material (the cauldron body) is in the alternating magnetic field, the eddy current that the frequency conversion controller and the vortex heater electric connection produce the change of magnetic induction line causes the temperature of the conductor material (the cauldron body) to rise, thereby realizes the purpose of heating, when the conductor material is in the alternating magnetic field, will produce the stable eddy current.
[0042] It will be apparent to those skilled in the art that the present application is not limited to the details of the above-exemplified embodiments but can be implemented in other forms without departing from the spirit or essential characteristic of the present application. The presently disclosed application thus considers that the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims.
[0043] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.
Claims
1. A non-contact high-temperature curing autoclave heating structure, comprising a frequency converter, characterized in that: It also includes a vessel body connected to a frequency converter, the vessel body is wrapped with a heat insulation layer, a sealed vessel lid is detachably connected to the vessel body, and a thermocouple for measuring the temperature of the liquid inside the vessel is installed on the sealed vessel lid; A receiving cavity is provided between the vessel body and the insulation layer, and a vortex heater is spirally laid along the outer circumference of the vessel body in the receiving cavity. Both ends of the eddy current heater extend to the outside of the vessel body and are connected to the frequency converter. The thermocouple forms a closed-loop control with the frequency converter and the eddy current heater.
2. The non-contact high-temperature curing autoclave heating structure according to claim 1, characterized in that: The eddy current heater is a layered eddy current heating frame, which includes multiple layers of circular eddy current coils.
3. The non-contact high-temperature curing autoclave heating structure according to claim 2, characterized in that: A cooling circulator is laid along the vessel body inside the receiving cavity. The cooling circulator has a layered structure and includes multiple layers of spiral circular spiral pipelines. The cooling circulator has a water outlet / water inlet end penetrating the vessel body at both the upper and lower ends.
4. The non-contact high-temperature curing autoclave heating structure according to claim 2, characterized in that: A cooling circulator is laid along the vessel body inside the receiving cavity. The cooling circulator has a layered structure and includes multiple layers of spiral circular spiral pipelines. The upper and lower ends of the cooling circulator are respectively provided with an air outlet / air inlet that penetrates the vessel body.
5. The non-contact high-temperature curing autoclave heating structure according to claim 3 or 4, characterized in that: The cooling circulator is arranged in a spiral manner between the vortex heaters.
6. The non-contact high-temperature curing autoclave heating structure according to claim 5, characterized in that: The outer side of the vessel body is provided with a stainless steel protective layer, which is wrapped around the outside of the insulation layer.
7. The non-contact high-temperature curing autoclave heating structure according to claim 6, characterized in that: The insulation layer is made of rigid polyurethane foam or aluminum silicate fiber felt.
8. The non-contact high-temperature curing autoclave heating structure according to claim 7, characterized in that: A heat insulation layer is provided on the outer side of the vessel body at the contact position with the vortex heater and the cooling circulator. The heat insulation layer is made of high-temperature resistant heat insulation material.