High-temperature decomposing furnace

By installing a waste gas and air heat exchanger, a fan unit, and an arc-shaped baffle in the high-temperature decomposition furnace, the problem of insufficient oxygen was solved, achieving complete oxidation and efficient combustion of the waste gas and avoiding secondary pollution.

CN224034371UActive Publication Date: 2026-03-24杨涛
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In high-temperature decomposition furnaces, insufficient oxygen concentration prevents the complete oxidation of combustible components in the exhaust gas, resulting in low combustion efficiency, potentially producing toxic and harmful substances, and increasing the difficulty and cost of treatment.

Method used

By setting up an exhaust gas-air heat exchanger, an air-air heat exchanger, a fan unit, and an electric synchronous drive assembly, the exhaust gas and air are mixed and heated, increasing the oxygen content and improving combustion efficiency. The curved baffles also enhance the turbulence effect to promote mixing.

Benefits of technology

It improves the oxidation and decomposition effect of exhaust gas, enhances combustion efficiency, avoids secondary pollution, and ensures complete oxidation of exhaust gas.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224034371U_ABST
    Figure CN224034371U_ABST
Patent Text Reader

Abstract

The utility model discloses a high-temperature decomposing furnace which comprises a furnace body, an air heat exchanger for waste gas is fixedly communicated with a smoke outlet of the furnace body, and a waste gas fan set is fixedly communicated with an air inlet of the air heat exchanger for the waste gas; an air heat exchanger for air fixedly penetrates through a smoke outlet of the air heat exchanger for waste gas, a fixing pipe fixedly penetrates through a smoke outlet of the air heat exchanger for air, and an air fan unit fixedly penetrates through an air inlet of the air heat exchanger for air. According to the utility model, through the arrangement of the air heat exchanger for waste gas, the air heat exchanger for air, the waste gas fan set, the air fan set, the electric synchronous driving assembly, the air supply pipe and the arc-shaped baffle plate, air and waste gas are mixed while the waste gas is conveyed, so that the oxygen content of the waste gas with extremely low oxygen content is increased, and the waste gas can meet the combustion requirement; the combustion efficiency is improved, the oxygenolysis effect of waste gas is improved, and secondary pollution is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to high temperature decomposition furnace technical field especially relates to a high temperature decomposition furnace. BACKGROUND

[0002] High temperature decomposition furnace is a kind of equipment using high temperature combustion technology, oxidizing decomposition of combustible component in waste gas. Its working principle is that the temperature of combustible harmful gas is raised to reaction temperature by the heat generated by auxiliary fuel combustion, so as to occur oxidation decomposition. This equipment is usually suitable for treating industrial waste gas, waste gas treatment of spraying and drying equipment, and harmful gas purification emitted in petrochemical industry, medicine and other industries.

[0003] In the use process of high temperature decomposition furnace, the oxygen concentration inside the furnace body plays a crucial role in the oxidation decomposition effect of waste gas. Especially for high-concentration VOCs waste gas and other waste gas with very low oxygen content, if there is not enough oxygen in the furnace body, it will not meet the combustion demand, which will cause the following problems:

[0004] 1, insufficient oxygen will cause the combustible components (such as VOCs) in waste gas to be unable to oxidize completely, generating carbon monoxide, unburned hydrocarbons and other intermediate products, reducing combustion efficiency.

[0005] 2, insufficient oxygen will inhibit the combustion reaction, resulting in reduced heat release, and the temperature in the furnace will drop, further affecting the oxidation decomposition effect of waste gas.

[0006] 3, incomplete combustion may produce toxic and harmful substances, causing secondary pollution, increasing the difficulty and cost of subsequent treatment.

[0007] Therefore, improvements are proposed. INVENTION CONTENTS

[0008] The utility model discloses in order to solve the shortcomings in the prior art, and a kind of high temperature decomposition furnace is provided.

[0009] In order to achieve the above object, the utility model adopts the following technical scheme: a kind of high temperature decomposition furnace, including furnace body, the flue gas outlet of the furnace body is fixed and is penetrated by waste gas air heat exchanger, the air inlet of the waste gas air heat exchanger is fixed and is penetrated by waste gas fan group;

[0010] The flue gas outlet of the waste gas air heat exchanger is fixed and is penetrated by air air heat exchanger, the flue gas outlet of the air air heat exchanger is fixed and is penetrated by fixed pipe, the air inlet opening of the air air heat exchanger is fixed and is penetrated by air fan group;

[0011] Electric synchronous drive assembly is jointly installed between the power input end of the waste gas fan group and the power input end of the air fan group;

[0012] The air outlet of the waste gas air heat exchanger and the air outlet of the air air heat exchanger are fixedly and penetratingly connected with the air supply pipe, and the air outlet of the air supply pipe is fixedly and penetratingly connected with the air inlet of the furnace body;

[0013] The inner bottom wall and the top wall of the air supply pipe are fixedly connected with a plurality of arc baffles.

[0014] Further, the waste gas fan set comprises a waste gas inlet pipe, and the waste gas inlet pipe is fixedly and penetratingly connected with the air inlet of the waste gas air heat exchanger, the air inlet of the waste gas inlet pipe is fixedly and penetratingly connected with a first fan main body, and the air inlet of the first fan main body is fixedly and penetratingly connected with a first connecting pipe.

[0015] Further, the air fan set comprises an air inlet pipe, and the air inlet pipe is fixedly and penetratingly connected with the air inlet of the air air heat exchanger, the air inlet of the air inlet pipe is fixedly and penetratingly connected with a second fan main body, and the air inlet of the second fan main body is fixedly and penetratingly connected with a second connecting pipe.

[0016] Further, the electric synchronous driving assembly comprises a shell, and the shell is fixedly installed on the outer shell of the first fan main body and the second fan main body, the inside of the shell is symmetrically and rotationally connected with two rotating shafts, the two rotating shafts are both extended to the outside through the inner wall of the shell and are fixedly connected with the main shaft of the adjacent first fan main body and the main shaft of the adjacent second fan main body respectively, the outer surfaces of the two rotating shafts are fixedly sleeved with synchronous pulleys, and the synchronous pulleys are jointly and meshingly sleeved with a synchronous belt, so as to synchronously drive the first fan main body and the second fan main body to operate.

[0017] Further, a motor is fixedly installed on one side of the outer surface of the shell, the driving shaft of the motor is arranged through the shell and is fixedly connected between the adjacent rotating shafts, and the motor is the power basis of the electric synchronous driving assembly.

[0018] Further, the air supply pipe comprises an air outlet pipe and a waste gas outlet pipe, the air outlet pipe is fixedly and penetratingly connected with the air outlet of the air air heat exchanger, the waste gas outlet pipe is fixedly and penetratingly connected with the air outlet of the waste gas air heat exchanger, the air outlet pipe and the waste gas outlet pipe are jointly and fixedly and penetratingly connected with a main pipe, the arc baffles are fixedly installed in the main pipe, and the main pipe is fixedly and penetratingly connected with the air inlet of the furnace body, so as to assist in conveying the heat-exchanged air and waste gas into the furnace body.

[0019] Further, the plurality of arc baffles are arranged in an up-down staggered manner, which can effectively increase the gas turbulent effect and facilitate the mixing of waste gas and air.

[0020] The beneficial effects of the utility model are as follows:

[0021] The utility model discloses in using, a kind of high-temperature decomposition furnace, by the air heat exchanger for waste gas, air heat exchanger for air, waste gas fan set, air fan set, electric synchronous drive assembly, air pipe and arc baffle being set, while conveying waste gas, air is mixed with waste gas, increase oxygen content extremely low waste gas oxygen content, make it can satisfy combustion demand, improve combustion efficiency, improve the oxidation decomposition effect of waste gas, avoid secondary pollution;

[0022] The utility model discloses in using, a kind of high-temperature decomposition furnace, by the air heat exchanger for waste gas, air heat exchanger for air being set, the air and waste gas into furnace body can be heated, air and waste gas temperature can be improved, combustion efficiency can be improved;

[0023] The utility model discloses in using, a kind of high-temperature decomposition furnace, by the arc baffle being set, can effectively increase gas turbulent flow effect, to improve the mixing effect of waste gas and air. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the specific embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0025] Figure 1 The overall first perspective view structure of the utility model;

[0026] Figure 2 The overall second perspective view structure of the utility model;

[0027] Figure 3 The shell section view of the utility model;

[0028] Figure 4 The main pipe section view of the utility model.

[0029] The following are the reference signs:

[0030] 1, furnace body;2, air heat exchanger for waste gas;3, air heat exchanger for air;41, air outlet pipe;42, waste gas outlet pipe;43, main pipe;51, second fan main body;52, air inlet pipe;53, second connecting pipe;61, shell;62, motor;63, rotating shaft;64, synchronous belt;65, synchronous pulley;71, first fan main body;72, first connecting pipe;73, waste gas inlet pipe;8, fixed pipe;9, arc baffle. DETAILED DESCRIPTION

[0031] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0032] like Figure 1 , Figure 2 As shown, a high-temperature decomposition furnace is disclosed, comprising a furnace body 1. A waste gas air heat exchanger 2 is fixedly connected to the flue gas outlet of the furnace body 1. A waste gas fan unit is fixedly connected to the air inlet of the waste gas air heat exchanger 2. The waste gas fan unit includes a waste gas inlet pipe 73, which is fixedly connected to the air inlet of the waste gas air heat exchanger 2. A first fan body 71 is fixedly connected to the air inlet of the waste gas inlet pipe 73, and a first connecting pipe 72 is fixedly connected to the air inlet of the first fan body 71. The arrangement of the waste gas air heat exchanger 2 facilitates heat exchange between the waste gas and the flue gas after combustion in the furnace body 1, thereby realizing the utilization of waste heat.

[0033] Figure 1 , Figure 2 As shown, the flue gas outlet of the exhaust gas heat exchanger 2 is fixedly connected to the air heat exchanger 3, the flue gas outlet of the air heat exchanger 3 is fixedly connected to the fixed pipe 8, and the air inlet of the air heat exchanger 3 is fixedly connected to the air fan unit. The air fan unit includes an air inlet pipe 52, and the air inlet pipe 52 is fixedly connected to the air inlet of the air heat exchanger 3. The air inlet of the air inlet pipe 52 is fixedly connected to the second fan body 51, and the air inlet of the second fan body 51 is fixedly connected to the second connecting pipe 53. The air heat exchanger 3 is designed to facilitate heat exchange between the air and the flue gas after combustion in the furnace 1, thereby realizing the utilization of waste heat.

[0034] Figure 1 , Figure 3As shown, the power input end of the exhaust fan set and the power input end of the air fan set are jointly installed with an electric synchronous driving assembly, the electric synchronous driving assembly includes a shell 61, and the shell 61 is fixedly installed on the outer shell of the first fan body 71 and the second fan body 51, two rotating shafts 63 are symmetrically and rotatably connected in the shell 61, and the two rotating shafts 63 extend to the outside through the inner wall of the shell 61 and are fixedly connected with the main shaft of the adjacent first fan body 71 and the main shaft of the adjacent second fan body 51 respectively, synchronous pulleys 65 are fixedly sleeved on the outer surfaces of the two rotating shafts 63, a synchronous belt 64 is jointly meshed and sleeved between the two synchronous pulleys 65, a motor 62 is fixedly installed on one side of the outer surface of the shell 61, the driving shaft of the motor 62 is arranged through the shell 61 and is fixedly connected with the adjacent rotating shaft 63, the rotating shaft 63 is connected with the shell 61 by a bearing, the inner ring of the bearing is fixedly sleeved on the outer surface of the rotating shaft 63, and the outer ring of the bearing is fixedly connected with the shell 61, so as to reduce the rotating resistance of the rotating shaft 63, in use, the motor 62 drives the rotating shaft 63 connected therewith to rotate, the rotating shaft 63 drives the synchronous pulley 65 connected therewith to rotate, and the two synchronous pulleys 65 drive the synchronous belt 64 to rotate synchronously, so that the two rotating shafts 63 rotate synchronously.

[0035] Figure 1 As shown, the air outlet of the exhaust air heat exchanger 2 and the air outlet of the air heat exchanger 3 are jointly fixedly penetrated by a gas delivery pipe, and the gas outlet of the gas delivery pipe is fixedly penetrated with the air inlet of the furnace body 1, the gas delivery pipe includes an air outlet pipe 41 and an exhaust gas outlet pipe 42, the air outlet pipe 41 is fixedly penetrated with the air outlet of the air heat exchanger 3, and the exhaust gas outlet pipe 42 is fixedly penetrated with the air outlet of the exhaust air heat exchanger 2, a main pipe 43 is jointly fixedly penetrated between the air outlet pipe 41 and the exhaust gas outlet pipe 42, the arc baffle 9 is fixedly installed in the main pipe 43, and the main pipe 43 is fixedly penetrated with the air inlet of the furnace body 1, the arrangement of the exhaust gas outlet pipe 42 and the air outlet pipe 41 facilitates the communication of the main pipe 43 with the two air heat exchangers, and facilitates the entry of the heat-exchanged exhaust gas and air into the main pipe 43, and then the delivery to the furnace body 1 through the main pipe 43.

[0036] Figure 4 As shown, the inner bottom wall and the top wall of the gas delivery pipe are fixedly connected with a plurality of arc baffles 9, and the plurality of arc baffles 9 are arranged in a staggered manner, the arc baffles 9 can effectively increase the gas turbulence effect, facilitate the mixing of exhaust gas and air, and the height, spacing and number of the arc baffles 9 can be adjusted according to actual needs to optimize the mixing effect.

[0037] Working principle: the first connecting pipe 72 is communicated with the waste gas pipeline, the fixed pipe 8 is communicated with the flue gas pipeline; in use, the furnace body 1 runs, then the motor 62 is started, the motor 62 drives the rotating shaft 63 connected with it to rotate, the rotating rotating shaft 63 drives another rotating shaft 63 to rotate under the cooperation of synchronous belt 64 and synchronous pulley 65, thereby driving the first fan body 71, second fan body 51 synchronous operation, the first fan body 71 transports the waste gas to the waste gas inlet pipe 73, then enters the waste gas outlet pipe 42 through the waste gas air heat exchanger 2, then enters the main pipe 43, the second fan body 51 transports the air to the air inlet pipe 52, then enters the air outlet pipe 41 through the air air heat exchanger 3, then enters the main pipe 43, when the air and waste gas flow in the main pipe 43, the turbulent effect is generated through the arc baffle 9, the mixing of waste gas and air is promoted, then enters the furnace body 1, the flue gas generated after combustion in the furnace body 1, is discharged to the fixed pipe 8 through the flue gas flow channel of waste gas air heat exchanger 2, air air heat exchanger 3, then is discharged through the external flue gas pipeline.

[0038] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A high-temperature decomposition furnace, comprising a furnace body (1), characterized in that: The flue gas outlet of the furnace body (1) is fixedly connected to an exhaust gas air heat exchanger (2), and the air inlet of the exhaust gas air heat exchanger (2) is fixedly connected to an exhaust gas fan unit. The flue gas outlet of the exhaust gas heat exchanger (2) is fixedly connected to the air heat exchanger (3), the flue gas outlet of the air heat exchanger (3) is fixedly connected to the fixed pipe (8), and the air inlet of the air heat exchanger (3) is fixedly connected to the air fan unit. An electric synchronous drive assembly is installed between the power input end of the exhaust gas fan unit and the power input end of the air fan unit. The outlet of the exhaust gas air heat exchanger (2) and the outlet of the air heat exchanger (3) are both fixedly connected by an air supply pipe, and the outlet of the air supply pipe is fixedly connected to the inlet of the furnace body (1). Multiple arc-shaped baffles (9) are fixedly connected to the bottom and top walls of the air supply pipe.

2. The high-temperature decomposition furnace according to claim 1, characterized in that: The exhaust gas fan unit includes an exhaust gas inlet pipe (73), and the exhaust gas inlet pipe (73) is fixedly connected to the air inlet of the exhaust gas air heat exchanger (2). The air inlet of the exhaust gas inlet pipe (73) is fixedly connected to a first fan body (71), and the air inlet of the first fan body (71) is fixedly connected to a first connecting pipe (72).

3. The high-temperature decomposition furnace according to claim 2, characterized in that: The air fan unit includes an air inlet pipe (52), and the air inlet pipe (52) is fixedly connected to the air inlet of the air heat exchanger (3). The air inlet of the air inlet pipe (52) is fixedly connected to a second fan body (51), and the air inlet of the second fan body (51) is fixedly connected to a second connecting pipe (53).

4. A high-temperature decomposition furnace according to claim 3, characterized in that: The electric synchronous drive assembly includes a housing (61), which is fixedly installed on the outer shell of the first fan body (71) and the second fan body (51). The housing (61) has two rotating shafts (63) symmetrically rotatably connected inside, and both rotating shafts (63) extend through the inner wall of the housing (61) to the outside, and are fixedly connected to the main shaft of the adjacent first fan body (71) and the main shaft of the adjacent second fan body (51), respectively. The outer surfaces of the two rotating shafts (63) are fixedly sleeved with synchronous pulleys (65), and the two synchronous pulleys (65) are meshed together with a synchronous belt (64).

5. A high-temperature decomposition furnace according to claim 4, characterized in that: A motor (62) is fixedly installed on one side of the outer surface of the housing (61). The drive shaft of the motor (62) passes through the housing (61) and is fixedly connected to the adjacent rotating shaft (63).

6. A high-temperature decomposition furnace according to claim 1, characterized in that: The air supply pipe includes an air outlet pipe (41) and a waste gas outlet pipe (42). The air outlet pipe (41) is fixedly connected to the outlet of the air heat exchanger (3), and the waste gas outlet pipe (42) is fixedly connected to the outlet of the waste gas heat exchanger (2). The air outlet pipe (41) and the waste gas outlet pipe (42) are connected by a main pipe (43). An arc-shaped baffle (9) is fixedly installed inside the main pipe (43), and the main pipe (43) is fixedly connected to the air inlet of the furnace body (1).

7. A high-temperature decomposition furnace according to claim 1, characterized in that: Multiple of the aforementioned arc-shaped baffles (9) are staggered vertically.