Barrel type electromagnetic heating catalytic device

By designing a barrel-shaped electromagnetic heating catalytic device, the electromagnetic coil is used to heat the carrier part to increase the airflow path and the catalyst ignition temperature, which solves the exhaust gas purification problem in the initial startup and reduces maintenance costs.

CN223460477UActive Publication Date: 2025-10-21WUXI SHENGHE TECH
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Patent Information

Application Number
CN202422618810.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-10-21
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Existing catalytic devices cannot purify exhaust gas during the initial startup phase, and the short residence time of the airflow results in poor catalytic effect. Self-heating devices are difficult to manufacture and have high replacement costs if damaged.

Method used

A barrel-shaped electromagnetic heating catalytic device is designed, which includes a substrate part, a heating part and an air intake part. The substrate part is heated by an electromagnetic coil to increase the airflow path and the catalyst ignition temperature. The modular design facilitates maintenance.

Benefits of technology

Prolong the residence time of the airflow in the device, improve the catalytic efficiency, and reduce the maintenance cost after the device is damaged.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a barrel type electromagnetic heating catalytic device, including carrier part, heating part and intake part, carrier part includes first shell and set up in the heating carrier in the first shell, heating part includes second shell and set up in the electromagnetic coil in the second shell, the inner side and the outer side of the heating carrier are in contact fixation with the first shell and the second shell respectively, an air inlet is formed in the first shell, an air outlet is formed in the second shell, the air inlet and the air outlet are located on the same axis, and the air inlet part is fixedly arranged in the air inlet. The carrier part, the heating part and the air inlet part are arranged to regulate and control the path of airflow, the airflow path is lengthened, the time of the airflow in the catalytic device is prolonged, the catalytic efficiency is improved, meanwhile, the electromagnetic coil arranged in the heating part enables a catalyst to reach the ignition temperature in advance, and the catalytic efficiency is improved. And the tail gas enters the catalytic device to react quickly, so that the problem that the tail gas cannot be purified at the initial starting stage is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas catalytic equipment technical field especially relates to a kind of bucket type electromagnetic heating catalytic device. BACKGROUND

[0002] With the rapid development of society, people's attention to atmospheric environment is increasing, and the demand for industrial waste gas and household waste gas treatment is also increasing, how to efficiently and energy-efficiently handle industrial waste gas and household waste gas becomes a new concern, and how to achieve zero emission catalytic effect also puts forward new requirements. The present application provides a preparation method of a barrel-shaped electromagnetic heating catalytic device.

[0003] The catalytic device on the market at present mainly transfers heat to the catalytic device by airflow, and can realize catalytic conversion only after reaching the ignition temperature. There are also self-heating catalytic devices on the market, but the cost of replacing such devices is high after damage.

[0004] The original problems are:

[0005] The structure of the present application is:

[0006] 1. Since the catalytic device cannot generate heat, it needs to absorb the heat in the tail gas to reach the ignition temperature of the catalyst, so that the tail gas at the initial stage cannot be purified;

[0007] 2. The existing catalytic device has short airflow residence time, which can lead to poor catalytic effect;

[0008] 3. The existing catalytic device needs a certain time to reach the ignition temperature of the catalyst, so the catalytic conversion efficiency is low;

[0009] 4. The self-heating catalytic device has high manufacturing difficulty, and needs to be replaced as a whole after damage, so the replacement cost is high. INVENTION CONTENTS

[0010] The technical problem to be solved by the utility model is to overcome the defects of the prior art. The utility model provides a barrel-shaped electromagnetic heating catalytic device to solve the problem of purification of tail gas at the initial stage of the existing catalytic device.

[0011] To solve the above technical problems, the utility model adopts the technical scheme of a barrel type electromagnetic heating catalytic device, which comprises a carrier part, a heating part and an air inlet part.

[0012] Further, the heating carrier is composed of a flat band and a wave band, the flat band is attached to one side of the wave band, and the heating carrier is sequentially stacked or wound.

[0013] Further, the wave band is any one of a flat wave band, a mixed flow wave band or a turbulent flow wave band.

[0014] Further, the heating part further comprises a connection controller, the connection controller is in communication with the electromagnetic coil, is used for regulating whether the electromagnetic coil is powered on or not, and the second shell is closed on the side facing the air inlet.

[0015] Further, the air inlet part comprises a fixed plate body and an air inlet plate body, the air inlet plate body is fixed on the fixed plate body, the cross-sectional shape of the air inlet plate body is the same as that of the air inlet, the air inlet part is fixed in the first shell, and the air inlet plate body is fixed in the air inlet.

[0016] Compared with the prior art, the utility model has the beneficial effects of:

[0017] 1) The carrier part, the heating part and the air inlet part are arranged to regulate the path of the air flow, increase the air flow path, increase the time of the air flow in the catalytic device, increase the catalytic efficiency, the electromagnetic coil arranged in the heating part can make the catalyst reach the ignition temperature in advance, the exhaust gas entering the catalytic device can rapidly react, thereby solving the problem that the exhaust gas cannot be purified at the initial start-up period;

[0018] 2) The carrier part, the heating part and the air inlet part are arranged as separate modular structures, the air inlet part is fixed in the carrier part during installation, then the heating part is inverted and buckled in the carrier part, and when the barrel type electromagnetic heating catalytic device is damaged, only the corresponding module jack needs to be replaced, thereby reducing the manufacturing difficulty and replacement cost. BRIEF DESCRIPTION OF DRAWINGS

[0019] The disclosure of the present application will be described with reference to the drawings. It should be understood that the drawings are only for the purpose of illustration and are not intended to limit the scope of protection of the present application. In the drawings, the same reference signs are used to refer to the same parts. Among them:

[0020] Figure 1 The overall cross-sectional structure of the barrel-shaped electromagnetic heating catalytic device is schematically shown;

[0021] Figure 2 The cross-sectional structure of the carrier part is schematically shown;

[0022] Figure 3 The cross-sectional structure of the heating part is schematically shown.

[0023] Reference signs in the drawings: 1-carrier part, 2-heating part, 3-inlet part, 4-first shell, 5-heating carrier, 6-second shell, 7-electromagnetic coil. DETAILED DESCRIPTION

[0024] It is easy to understand that according to the technical scheme of the present application, a person skilled in the art can propose a plurality of structure modes and implementation modes which can be replaced with each other without changing the essential spirit of the present application. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical scheme of the present application, and should not be regarded as the whole or as a limitation or restriction of the technical scheme of the present application.

[0025] Figure 1 The overall cross-sectional structure of the barrel-shaped electromagnetic heating catalytic device is schematically shown, a barrel-shaped electromagnetic heating catalytic device as shown in Figure 1 includes a carrier part 1, a heating part 2 and an inlet part 3, Figure 2 The cross-sectional structure of the carrier part is schematically shown, as shown in Figure 2 The carrier part 1 includes a first shell 4 and a heating carrier 5 arranged in the first shell 4, Figure 3 The cross-sectional structure of the heating part is schematically shown, as shown in Figure 3 The heating part 2 includes a second shell 6 and an electromagnetic coil 7 fixedly arranged in the second shell 6, the heating carrier 5 is in contact and fixed with the first shell 4 and the second shell 6 on the inner and outer sides respectively, an air inlet is arranged on the first shell 4 and an air outlet is arranged on the second shell 6, the air inlet and the air outlet are located on the same axis, and the inlet part 3 is fixedly arranged in the air inlet. The air inlet and the air outlet are arranged on the same axis, and the second shell 6 is in a closed state facing the air inlet side. The external airflow first enters the heating carrier 5 area through the air inlet, then enters the electromagnetic heating coil and is discharged from the air outlet, increases the airflow path and increases the time of airflow in the catalytic device, thereby increasing the catalytic conversion efficiency.

[0026] It is worth mentioning that the aforementioned wave band is any one of a flat wave band, a mixed flow wave band or a turbulent flow wave band. The heating part 2 further comprises a connection controller in communication with the electromagnetic coil 7 for regulating whether the electromagnetic coil 7 is powered or not, thereby controlling whether the heating carrier 5 generates heat or not, so as to make the catalyst reach a certain temperature in advance, and make the exhaust gas react rapidly after entering the catalytic device, thereby solving the problem that the exhaust gas cannot be purified at the initial stage of starting.

[0027] The intake part 3 will be described in detail below. The intake part 3 comprises a fixed plate body and an intake plate body fixed to the fixed plate body, and the cross-sectional shape of the intake plate body is the same as that of the intake port, so that the intake plate body can be fixed in the intake port. The barrel-shaped electromagnetic heating catalytic device is divided into the carrier part 1, the heating part 2 and the intake part 3, and each part can be individually processed into a separate module, and then the modules are assembled to form a complete barrel-shaped electromagnetic heating catalytic device. When the barrel-shaped electromagnetic heating catalytic device is damaged, only the damaged module needs to be replaced, which reduces the manufacturing difficulty and replacement cost.

[0028] The manufacturing method of the barrel-shaped electromagnetic heating catalytic device will be described in detail below.

[0029] A barrel-shaped electromagnetic heating catalytic device:

[0030] First part: preparation of the carrier part 1

[0031] Step 1: cleaning: put the foil into an ultrasonic cleaner to remove oil stains on the surface.

[0032] Step 2: wave band preparation: process the foil according to requirements, which can be processed into a flat wave band, a mixed flow wave band (XF), a turbulent flow wave band (TF), or other required waveforms.

[0033] Step 3: flat band preparation: cut the foil into the required length according to the diameter of the metal carrier.

[0034] Step 4: shell preparation: cut the stainless steel plate into multiple specified sizes according to the size of the carrier, and process it into multiple cylindrical shells for use;

[0035] Step 5: inner core rolling: put the inner tube onto the rolling machine, and push the inner core into the outer tube after rolling.

[0036] Step 6: hydraulic pressure: press the carrier end face pushed into the shell flat.

[0037] Step 7: paste: load the solder on the carrier.

[0038] Step 8: Brazing: The product is put into the furnace and brazed.

[0039] Second part: preparation of heating part 2

[0040] Step 1: Coil preparation: wind the coil according to the power requirement;

[0041] Step 2: Connect the controller: connect the controller with the coil together.

[0042] Third part: assembly of barrel-shaped electromagnetic heating catalytic device

[0043] Step 1: Weld the carrier part 1, the heating part 2 and the gas inlet part 3 together (embed the gas inlet part 3 in the carrier part 1, then reverse the carrier part 1 and the heating part 2, and mix the gas flow at the gas inlet with the gas inlet part 3);

[0044] Step 2: Place the number of electromagnetic coils 7 according to the power requirement, and control the coil power size through the controller.

[0045] The technical scope of the utility model is not only limited to the contents in the above description, and the person skilled in the art can make various deformations and modifications to the above embodiment without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.

Claims

1. A barrel-type electromagnetic heating catalytic device, characterized by, The utility model relates to a heating device, including carrier part (1), heating part (2) and air inlet part (3), the carrier part (1) includes first shell (4) and sets up in the heating carrier (5) of first shell (4), the heating part (2) includes second shell (6) and fixedly set in the electromagnetic coil (7) of second shell (6), the heating carrier (5) inside and outside both sides are contacted fixed with first shell (4) and second shell (6), sets up air inlet on first shell (4) and is provided with air outlet on second shell (6), air inlet and air outlet are located on the same axis, air inlet part (3) is fixedly set in air inlet.

2. The barrel-type electromagnetic heating catalytic device according to claim 1, characterized in that, The heating carrier (5) is composed of a flat band and a wave band, the flat band is attached to one side of the wave band, and the heating carrier (5) is sequentially stacked or wound.

3. The barrel-type electromagnetic heating catalytic device according to claim 2, characterized in that, The wave band is any one of a flat wave band, a mixed flow wave band or a turbulent flow wave band.

4. The barrel-type electromagnetic heating catalytic device according to claim 1, characterized in that, The heating part (2) further includes a connection controller in communication with the electromagnetic coil (7) for controlling whether the electromagnetic coil (7) is energized or not, and the second shell (6) is closed on the side facing the air inlet.

5. The barrel-type electromagnetic heating catalytic device according to claim 1, wherein The air inlet part (3) includes a fixed plate body and an air inlet plate body, the air inlet plate body is fixed on the fixed plate body, and the air inlet plate body has the same cross-sectional shape as the air inlet, the air inlet part (3) is fixed inside the first shell (4), and the air inlet plate body is fixedly arranged in the air inlet.