High-power fan system based on electromagnetic induction heating

Abstract

The utility model discloses a high-power fan system based on electromagnetic induction heating, which relates to the technical field of electromagnetic heating fans and comprises a high-pressure air supply system, an electromagnetic induction heater is mounted at the outlet end of the high-pressure air supply system, and a hollow magnetic heating body is mounted in the electromagnetic induction heater. The outer wall of the hollow magnetic conductive heating body is sleeved with a heat insulation protection layer, a plurality of magnetic conductive silicon steel bars are evenly arranged on the outer wall of the heat insulation protection layer at intervals in the circumferential direction, coils are wound around the outer walls of the magnetic conductive silicon steel bars, the outer walls of the coils are sleeved with a heat preservation layer, and the inlet end of the hollow magnetic conductive heating body is connected with a high-pressure air supply system. And the outlet end of the hollow magnetic heating body is connected with a hot air outlet. According to the system, power frequency electricity is converted into high-frequency current through cooperative work of the high-frequency electromagnetic controller and the multiple sections of independent coils, a magnetic circuit is optimized, and loss is reduced. An efficient and clean heat energy solution is provided for the field of industrial heating, and the device is particularly suitable for replacing traditional fuel oil or electric heating equipment in the scenes of shipbuilding and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic heating fan, concretely is a kind of high-power fan system based on electromagnetic induction heating. BACKGROUND

[0002] In the large-scale operation and special process scene such as shipbuilding, high-power heating fan becomes indispensable key equipment because it can efficiently complete large-area coating treatment, quickly respond to environmental temperature and humidity changes and meet the requirements of harsh process. However, current industrial heating equipment mainly relies on fuel combustion technology and resistance electric heating technology, and the above-mentioned traditional technology has significant defects, which are as follows:

[0003] Firstly, the existing equipment has limited power density, and in the face of instantaneous high-power demand in shipbuilding, the heating efficiency is often low due to insufficient peak power, and even multiple devices need to be connected in parallel, which further increases energy consumption and space occupation cost. Secondly, the heating uniformity is poor, which leads to uneven temperature field distribution and large fluctuation amplitude, and manual real-time power regulation is required, thereby increasing the complexity of operation; thermal response is lagging, as fuel or resistance heating needs to be indirectly heated through medium, which leads to slow heating speed and difficulty in meeting the demand for rapid temperature control; in addition, the equipment has low modularization degree, and the replacement of core components such as burner and resistance wire is difficult, time-consuming and costly.

[0004] In summary, the existing heating technology cannot balance high efficiency, low pollution, high safety and economy, which seriously restricts the green upgrade of shipbuilding industry and other fields. Therefore, a new type of heating system is urgently needed to realize clean energy replacement and industrial energy efficiency leap. INVENTION CONTENTS

[0005] To solve the above problems, i.e. to solve the problems raised in the above background technology, the utility model provides a high-power fan system based on electromagnetic induction heating, which comprises a high-pressure air supply system installed in the shell, an electromagnetic induction heater is installed at the outlet end of the high-pressure air supply system, a plurality of hollow magnetic conductive heating bodies are installed in the electromagnetic induction heater, a heat insulation protective layer is sleeved on the outer wall of the hollow magnetic conductive heating body, a plurality of magnetic conductive silicon steel strips are uniformly and interval arranged on the outer wall of the heat insulation protective layer along the circumferential direction, a coil is wound and installed on the outer wall of the magnetic conductive silicon steel strip, a heat preservation layer is sleeved on the outer wall of the coil, the inlet end of the hollow magnetic conductive heating body is connected with the high-pressure air supply system, and a hot air outlet is connected with the outlet end of the hollow magnetic conductive heating body.

[0006] The utility model further provides that the coil is a plurality of independent windings distributed along the axial direction, and each coil is connected with a high-frequency electromagnetic controller.

[0007] The utility model discloses further set up: the temperature sensor is integrated to one side of every section coil, the air outlet of high pressure air supply system and hot air outlet, temperature sensor realizes real -time data interaction with intelligent temperature control unit through digital signal transmission interface, and intelligent temperature control unit constructs closed -loop control link with high -frequency electromagnetic controller through industrial bus protocol, forms dynamic power regulation mechanism.

[0008] The utility model discloses further set up: the shell of electromagnetic induction heater is electromagnetic shield.

[0009] The utility model discloses further set up: the hollow magnetic conduction heating body is two.

[0010] The utility model discloses the beneficial technical effects are: the application utilizes electromagnetic induction heating technology and structural innovation, realizes high -power, high energy efficiency, environmental protection, safety and economy, and system adopts multi -section independent high -frequency coil + magnetic conduction architecture, improves power density through magnetic circuit optimization and electromagnetic field superposition technology, and power far exceeds traditional electromagnetic equipment, and the energy consumption redundancy and space occupation problem caused by the parallel connection of multiple equipment are solved completely. System through high -frequency electromagnetic controller and multi -section independent coil cooperation, convert the high -frequency current of work -frequency electricity, and the magnetic circuit is optimized to reduce the loss, and the thermal efficiency reaches 95% or above. Compared with traditional fuel and resistance type electric heating equipment, energy efficiency improves 30%-45%, and the equipment performance is superior to fuel heating and resistance heating equipment, and there is no pollutant emission, and it meets environmental protection standard. System energy consumption is low, and maintenance is simple, and electromagnetic shielding design avoids the interference to the environment. The system provides efficient, clean heat energy solution for the industrial heating field, and is especially suitable for shipbuilding and other scenes to replace traditional fuel or electric heating equipment. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 The utility model discloses whole structure schematic diagram.

[0012] Fig. 2 The utility model discloses hollow magnetic conduction heating body schematic diagram.

[0013] Fig. 1, high pressure air supply system, 2, electromagnetic induction heater, 3, hollow magnetic conduction heating body, 4, heat -proof layer, 5, magnetic conduction silicon steel strip, 6, coil, 7, heat preservation layer, 8, hot air outlet, 9, high -frequency electromagnetic controller, 10, intelligent temperature control unit. DETAILED DESCRIPTION

[0014] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0015] Please refer to Figs. 1-2 The utility model provides a technical scheme: a kind of high-power fan system based on electromagnetic induction heating, including the high-pressure air supply system 1 being installed in the inside of shell, the outlet end of high-pressure air supply system 1 is equipped with electromagnetic induction heater 2, the shell of electromagnetic induction heater 2 is electromagnetic shield, the inside of electromagnetic induction heater 2 is equipped with two groups hollow magnetically conductive heating body 3, the outer wall of hollow magnetically conductive heating body 3 is equipped with heat insulation protective layer 4, and the effect of heat insulation layer is to protect coil, to prevent the high temperature generated by heating body from causing damage, the outer wall of heat insulation protective layer 4 is evenly spaced and arranged with several magnetically conductive silicon steel strips 5 along the circumferential direction, the outer wall of magnetically conductive silicon steel strip 5 is wound and installed with coil 6, high-frequency current is input to electromagnetic induction coil, and alternating magnetic field is generated around coil.According to Faraday's law of electromagnetic induction, hollow magnetically conductive heating body will induce closed eddy current.Due to the resistance of magnetically conductive material itself, the eddy current will convert electrical energy into heat energy due to resistance loss in the flow process, so as to make the heating body rapidly heat up. By using magnetically conductive silicon steel strip and coil in cooperation, the magnetic circuit distribution is optimized, the magnetic leakage phenomenon is reduced, the coupling effect of magnetic field is enhanced, and the heating efficiency is improved;The outer wall of coil 6 is sleeved with heat preservation layer 7, since the heating body rapidly heats up, the air flowing through the inside thereof is heated.The effect of heat preservation layer is to reduce heat loss, to ensure that the heated air can maintain at a relatively high temperature, to improve the heating efficiency of the entire fan system, the inlet end of hollow magnetically conductive heating body 3 is connected with high-pressure air supply system 1, the outlet end of hollow magnetically conductive heating body 3 is connected with hot air outlet 8, and the hot air outlet is connected to the equipment or pipeline required to be heated, so as to realize the delivery of heated air to the target area. The system realizes rapid heating of air in high-pressure air supply system by electromagnetic induction heating method, has the advantages of high heating efficiency, low energy consumption, uniform heating and the like.

[0016] The coil 6 is a plurality of independent windings distributed along the axial direction, and each coil 6 is connected to a high-frequency electromagnetic controller 9 for independently controlling the energization state and current intensity of each coil. Such a design enables flexible adjustment of the working state of each coil according to different heating requirements, ensuring the generation of a uniform and appropriately strong high-frequency magnetic field, improving the heating efficiency and uniformity. More precise heating control is achieved. The high-frequency electromagnetic controller 9 further improves the heating efficiency and energy utilization rate by accurately regulating the frequency and intensity of the current.

[0017] Each side of the coil 6, the air outlet of the high-pressure air supply system 1 and the hot air outlet 8 are integrated with temperature sensors, which realize real-time data interaction with the intelligent temperature control unit 10 through a digital signal transmission interface. The intelligent temperature control unit 10 builds a closed-loop control link with the high-frequency electromagnetic controller 9 through an industrial bus protocol, forming a dynamic power regulation mechanism, thereby realizing precise monitoring of the coil working state and real-time optimization control of the electromagnetic heating power. The intelligent temperature control unit 10 adjusts the output of the high-frequency electromagnetic controller 9 according to the temperature information fed back by the temperature sensor, ensuring that the coil always works within the optimal temperature range. When the temperature is lower than the set value, the output power of the high-frequency power supply is increased to increase the heating speed and speed up the warming process; when the temperature is close to or equal to the set value, the output power of the high-frequency power supply is appropriately reduced to slow down the heating speed and ensure that the temperature approaches and remains at the set value. Through this precise dynamic adjustment, the optimal matching of heating efficiency and energy consumption is realized, energy waste is reduced, and coil overheating is effectively prevented. While meeting the industrial heating demand, energy consumption is maximally reduced. The organization management personnel demand is less, and the management organization cost is relatively reduced.

[0018] The detailed connection means is a known technology in the art, and the working principle and process are mainly described below. The specific work is as follows:

[0019] When the system starts, the high-frequency electromagnetic controller 9 receives instructions from the intelligent temperature control unit 10, starts and outputs the high-frequency power supply. The high-frequency power supply generates a rapidly changing magnetic field through the coil 6, thereby generating eddy currents in the hollow magnetic conducting heating body. The eddy currents generate heat due to electrical resistance when flowing in the hollow magnetic conducting heating body, realizing electromagnetic induction heating. The heated air is sucked by the high-pressure air supply system 1, flows through the inside of the hollow magnetic conducting heating body for heating, and is blown out through the air outlet, forming hot air output. At the same time, the temperature sensor monitors the working temperature of the coil 6, the temperature of the air outlet of the high-pressure air supply system 1 and the temperature of the hot air outlet 8 in real time, and transmits the temperature data to the intelligent temperature control unit 10 in the form of a digital signal. The intelligent temperature control unit 10 adjusts the output power of the high-frequency electromagnetic controller 9 in real time according to the received temperature data, so as to keep the working temperature of the coil 6, the temperature of the air outlet and the temperature of the hot air outlet 8 within the preset range. In this way, the system can automatically adjust the heating power according to the actual demand, realizing an efficient and energy-saving heating process.

[0020] The present application exhibits significant advantages in energy efficiency, environmental friendliness, safety and economy through the deep coupling of electromagnetic induction heating technology and multi-dimensional structure innovation, which are specifically embodied as follows:

[0021] The system, through the synergistic effect of the high-frequency electromagnetic controller and the multiple independent coils, precisely converts the power frequency electricity into high-frequency current of 20-50 kHz, optimizes the magnetic circuit distribution in combination with the magnetic conductive silicon steel strip, significantly reduces the magnetic flux leakage and eddy current loss, realizes the direct and efficient conversion of electromagnetic energy into heat energy, and the thermal efficiency is as high as 95% or more. Compared with the fuel equipment (thermal efficiency 65%) and the resistance type electric heating equipment (thermal efficiency 70%), the system has a comprehensive energy efficiency improvement of 30%-45% due to no waste gas heat loss and resistance medium loss, and is especially suitable for high-power continuous heating scenes.

[0022] In addition, the electromagnetic induction heating does not need fuel combustion throughout, completely avoids the emission of pollutants such as carbon dioxide and sulfides, and meets the GB 31571-2015 industrial environmental protection standard. The multiple coils are independently controlled to control the outlet temperature fluctuation near the standard value, ensure the heating stability, and reduce manual intervention.

[0023] Taking the working condition of the air volume of 32000 m 3 / h and the outlet temperature of 60℃ as an example, the energy consumption cost of the system is about (262KW*1 hour*1 yuan / kWh=262 yuan), which is 70% and 31% lower than the fuel equipment (oil consumption of 102.9 liters / hour, 102.9 liters / hour*1 hour*8.6 yuan / liter=875 yuan) and the electric heating equipment (382KW*1 hour*1 yuan / kWh=382 yuan), respectively.

[0024] The modular design supports quick replacement of core components such as coils and magnetic conductive heating bodies, shortens the maintenance downtime, improves the production efficiency, and reduces the production cost. The electromagnetic shielding shell effectively suppresses the leakage of high-frequency magnetic field, avoids electromagnetic interference on surrounding equipment and environment, and meets the needs of industrial applications in closed spaces.

[0025] In summary, the system realizes a breakthrough improvement in energy efficiency, environmental protection and safety in the industrial heating field through the innovative integration of high-frequency electromagnetic induction heating technology, intelligent temperature control algorithm and modular engineering architecture, and at the same time, promotes the green replacement of traditional high-energy-consuming equipment with significant economic advantages, and provides an efficient and reliable clean heat energy solution for high-demand scenes such as shipbuilding and chemical drying.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-power fan system based on electromagnetic induction heating, comprising a high-pressure air supply system (1) installed inside a housing, characterized in that: The outlet end of the high-pressure air supply system (1) is provided with an electromagnetic induction heater (2), the inside of the electromagnetic induction heater (2) is provided with a plurality of hollow magnetic conductive heating bodies (3), the outer wall of the hollow magnetic conductive heating body (3) is provided with a heat insulation protective layer (4), the outer wall of the heat insulation protective layer (4) is uniformly and interval arranged with a plurality of magnetic conductive silicon steel strips (5) in the circumferential direction, the outer wall of the magnetic conductive silicon steel strip (5) is wound with a coil (6), the outer wall of the coil (6) is provided with a heat preservation layer (7), the inlet end of the hollow magnetic conductive heating body (3) is connected with the high-pressure air supply system (1), and the outlet end of the hollow magnetic conductive heating body (3) is connected with a hot air outlet (8).

2. A high-power fan system based on electromagnetic induction heating according to claim 1, characterized in that: The coil (6) is a plurality of independent windings distributed in the axial direction, and each coil (6) is connected with a high-frequency electromagnetic controller (9).

3. A high-power fan system based on electromagnetic induction heating according to claim 2, characterized in that: One side of each coil (6), the air outlet of the high-pressure air supply system (1) and the hot air outlet (8) are all integrated with a temperature sensor, the temperature sensor realizes real-time data interaction with an intelligent temperature control unit (10) through a digital signal transmission interface, the intelligent temperature control unit (10) builds a closed-loop control link with the high-frequency electromagnetic controller (9) through an industrial bus protocol, and forms a dynamic power regulation mechanism.

4. A high-power fan system based on electromagnetic induction heating according to claim 1, characterized in that: The shell of the electromagnetic induction heater (2) is an electromagnetic shielding cover.

5. A high-power fan system based on electromagnetic induction heating according to claim 1, characterized in that: The hollow magnetic conductive heating body (3) is two.

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