Novel air heat exchange structure of cracking combustion chamber

Abstract

The utility model relates to the technical field of waste tire, plastic and oil sludge resource reprocessing, in particular to a novel cracking combustion chamber air heat exchange structure which comprises a combustion engine, a combustion chamber outer cavity is fixedly connected to the outer side of the combustion engine, and a cracking heating cavity is fixedly connected to the outer side of the combustion chamber outer cavity. The upper portion of the cracking heating cavity is fixedly connected with a draught fan, the outer side of the draught fan is fixedly connected with an air pipeline, the outer side of the air pipeline is fixedly connected with an electric valve, fuel is combusted in an inner barrel of a combustion chamber through a combustion engine, the cracking main furnace is heated, high-temperature air is pumped out of an air outlet in the top end of the cracking heating cavity through the draught fan, and the high-temperature air is heated through the electric valve. One part of the extracted high-temperature air enters the tail gas treatment system, the other part of the extracted high-temperature air enters the outer cavity of the combustion chamber through an air pipeline, the high-temperature air is heated to a higher temperature while the high-temperature air is pushed forwards along the spiral piece, and the electric control system can monitor the temperature of the cracking heating cavity in real time to ensure that the temperature in the cracking main furnace is stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste and old tyre, plastic and oil sludge resource reprocessing technical field, concretely is a new type of pyrolysis combustion chamber air heat exchange structure. BACKGROUND

[0002] With the development of global economy, the demand for energy is increasing, the traditional fossil energy reserves are limited and non-renewable, so it is necessary to develop more efficient and cleaner energy utilization technology, and pyrolysis technology as an important means of converting macromolecular substances into small molecules, high-value energy products or chemical raw materials has been widely concerned, and the performance improvement of the pyrolysis combustion chamber as the key equipment of the pyrolysis process is of great significance to improve the energy conversion efficiency.

[0003] But the existing device has the following problems:

[0004] In the tire and plastic pyrolysis process, it is necessary to ensure the continuous and stable supply of heat required for pyrolysis, and the traditional heating method is to directly heat the pyrolysis main furnace by using open flame heating, and the high-temperature air generated after heating enters the tail gas treatment system through the air pipeline, and finally is discharged by the chimney, the heating method has very low heat utilization efficiency, causing great energy waste and high production cost.

[0005] Therefore, in order to solve the above problems, a new type of pyrolysis combustion chamber air heat exchange structure is provided. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a new type of pyrolysis combustion chamber air heat exchange structure to solve the problem of waste and old tyre, plastic and oil sludge resource reprocessing in the prior art mentioned in the background.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a new type of pyrolysis combustion chamber air heat exchange structure, comprising a combustion machine, characterized in that: the outer side of the combustion machine is fixedly connected with a combustion chamber outer cavity, the outer side of the combustion chamber outer cavity is fixedly connected with a pyrolysis heating cavity, the upper side of the pyrolysis heating cavity is fixedly connected with a fan, the outer side of the fan is fixedly connected with an air pipeline, the outer side of the air pipeline is fixedly connected with an electric valve, and the outer side of the air pipeline is provided with an electric control system.

[0008] Preferably, the outer side of the combustion machine is fixedly connected with a connecting pipe.

[0009] Preferably, the outer side of the combustion chamber outer cavity is fixedly connected with a guide pipe, the outer side of the guide pipe is fixedly connected with a fixed pipe, the inside of the combustion chamber outer cavity is fixedly connected with a combustion chamber inner cylinder, and the outer side of the combustion chamber inner cylinder is fixedly connected with a spiral blade.

[0010] Preferably, the inside of the cracking heating cavity is fixedly connected with a cracking main furnace, and the outside of the cracking heating cavity is fixedly connected with a temperature sensor.

[0011] Preferably, the outside of the fan is fixedly connected with a motor, the outside of the motor is fixedly connected with a shaft coupling, and the outside of the shaft coupling is fixedly connected with a speed reducer.

[0012] Preferably, the outside of the air pipeline is fixedly connected with a tail gas treatment pipeline opening, the outside of the air pipeline is fixedly connected with a reducing joint, and the outside of the air pipeline is fixedly connected with a bent pipeline.

[0013] Preferably, the outside of the electric control system is fixedly connected with a display screen, and the outside of the electric control system is fixedly connected with a connection button.

[0014] Compared with the prior art, the utility model has the advantages that: the utility model discloses a combustion machine burns fuel in the inner cylinder of the combustion chamber, high-temperature air generated is heated to the cracking main furnace in the cracking heating cavity, and the high-temperature air stays in the cracking heating cavity for a period of time and is extracted from the top end gas outlet of the cracking heating cavity by the fan, part of the extracted high-temperature air enters the tail gas treatment system, and the other part enters the outer cavity of the combustion chamber through the air pipeline, the high-temperature air is heated to a higher temperature while the helical sheet is pushed forward, reenters the cracking heating cavity, the electric control system can monitor the cracking heating cavity temperature in real time, adjusts the fan rotating speed, the electric valve opening degree and the combustion machine fuel oil flow according to the set temperature threshold value, and then adjusts the cracking heating cavity temperature, so that the temperature in the cracking main furnace is stable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structure front view schematic drawing of the utility model;

[0016] Fig. 2 It is a structure electric control system front view schematic drawing of the utility model;

[0017] In the drawing: 1, combustion machine;101, connecting pipe;2, combustion chamber outer cavity;201, guide pipe;202, fixed pipe;3, combustion chamber inner cylinder;4, helical sheet;5, cracking heating cavity;6, cracking main furnace;7, temperature sensor;8, fan;801, motor;802, shaft coupling;803, speed reducer;9, electric valve;10, air pipeline;1001, tail gas treatment pipeline opening;1002, reducing joint;1003, bent pipeline;11, electric control system;1101, display screen;1102, connection button. DETAILED DESCRIPTION

[0018] 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 embodiment is only a part of the embodiment of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0019] Please refer to Figs. 1-2 The utility model provides an embodiment:

[0020] A novel cracking combustion chamber air heat exchange structure, including combustion machine 1, the outside fixed connection of combustion machine 1 has combustion chamber outer cavity 2, the outside fixed connection of combustion chamber outer cavity 2 has cracking heating cavity 5, the upper fixed connection of cracking heating cavity 5 has fan 8, the outside fixed connection of fan 8 has air duct 10, the outside fixed connection of air duct 10 has electric valve 9, the outside of air duct 10 is provided with electric control system 11.

[0021] Further, the outside fixed connection of combustion machine 1 has connecting pipe 101, can heat combustion chamber.

[0022] Further, the outside fixed connection of combustion chamber outer cavity 2 has guide pipe 201, the outside fixed connection of guide pipe 201 has fixed pipe 202, the inside fixed connection of combustion chamber outer cavity 2 has combustion chamber inner cylinder 3, the outside fixed connection of combustion chamber inner cylinder 3 has helical fin 4, can provide heat for cracking main stove.

[0023] Further, the inside fixed connection of cracking heating cavity 5 has cracking main stove 6, the outside fixed connection of cracking heating cavity 5 has temperature sensor 7, can crack tire and plastic.

[0024] Further, the outside fixed connection of fan 8 has motor 801, the outside fixed connection of motor 801 has coupling 802, the outside fixed connection of coupling 802 has speed reducer 803, can crack tire and plastic.

[0025] Further, the outside fixed connection of air duct 10 has tail gas treatment pipe opening 1001, the outside fixed connection of air duct 10 has reducing joint 1002, the outside fixed connection of air duct 10 has elbow pipe 1003, the outside fixed connection of air duct 10 has electric valve 9, can control a part of high-temperature air.

[0026] Further, the outside fixed connection of electric control system 11 has display screen 1101, the outside fixed connection of electric control system 11 has connection button 1102, can automatically adjust the frequency of fan

[0027] Working principle: in the use process, first install the combustion machine 1 on the combustion chamber, and communicate with the combustion chamber inner cylinder 3, produce high temperature air by burning fuel, the high temperature air enters into the cracking heating cavity 5, the frequency of the fan 8 can control the residence time of the high temperature air in the cracking heating cavity 5, the high temperature air after heating the cracking main furnace 6 will be extracted by the fan 8 through the air outlet at the top of the cracking heating cavity 5, enter into the air duct 10, the air duct 10 is divided into two ways, one way is connected with the tail gas treatment system, a part of high temperature air enters into it and is discharged after purification, the other way is communicated with the combustion chamber outer cavity 2, a part of high temperature air enters into the combustion chamber outer cavity 2 through the electric valve 9, the combustion chamber outer cavity 2 is provided with the spiral blade 4, the spiral blade 4 is used for planning the flow direction of the high temperature air in the combustion chamber outer cavity 2, and the residence time of the high temperature air in the combustion chamber outer cavity 2 is increased, so that the high temperature air is heated to the required temperature again, the heated high temperature air mixes with the inner cylinder high temperature air at the end of the combustion chamber, enters into the cracking heating cavity 5 and provides heat for the cracking main furnace 6, the structure has higher automation, the electric control system 11 adjusts the frequency of the fan 8, the opening of the electric valve 9 and the fuel flow of the burner by receiving the information collected by the temperature sensor 7, so as to adjust the temperature of the cracking main furnace 6 to be stable in the cracking required temperature range.

[0028] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can implement the present application according to the above description and the drawings; however, any equivalent changes, modifications and evolution of the above disclosed technical content without departing from the technical scheme of the present application are equivalent embodiments of the present application; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A novel air heat exchange structure for a cracking combustion chamber, comprising: The combustion machine (1) is characterized in that: the outer side of the combustion machine (1) is fixedly connected with a combustion chamber outer cavity (2), the outer side of the combustion chamber outer cavity (2) is fixedly connected with a cracking heating cavity (5), the upper side of the cracking heating cavity (5) is fixedly connected with a fan (8), the outer side of the fan (8) is fixedly connected with an air duct (10), the outer side of the air duct (10) is fixedly connected with an electric valve (9), and the outer side of the air duct (10) is provided with an electric control system (11).

2. A novel air heat exchange structure for a cracking combustion chamber according to claim 1, characterized in that: The outer side of the combustion machine (1) is fixedly connected with a connecting pipe (101).

3. The novel air heat exchange structure of the cracking combustion chamber according to claim 1, characterized in that: The outer side of the combustion chamber outer cavity (2) is fixedly connected with a guide pipe (201), the outer side of the guide pipe (201) is fixedly connected with a fixed pipe (202), the inside of the combustion chamber outer cavity (2) is fixedly connected with a combustion chamber inner cylinder (3), and the outer side of the combustion chamber inner cylinder (3) is fixedly connected with a spiral fin (4).

4. The air heat exchange structure of the new cracking combustion chamber according to claim 1, characterized in that: The inside of the cracking heating cavity (5) is fixedly connected with a cracking main furnace (6), and the outer side of the cracking heating cavity (5) is fixedly connected with a temperature sensor (7).

5. The novel air heat exchange structure of the cracking combustion chamber according to claim 1, characterized in that: The outer side of the fan (8) is fixedly connected with a motor (801), the outer side of the motor (801) is fixedly connected with a shaft coupling (802), and the outer side of the shaft coupling (802) is fixedly connected with a speed reducer (803).

6. The novel air heat exchange structure of the cracking combustion chamber according to claim 1, characterized in that: The outer side of the air duct (10) is fixedly connected with a tail gas treatment duct opening (1001), the outer side of the air duct (10) is fixedly connected with a reducing joint (1002), and the outer side of the air duct (10) is fixedly connected with a bent duct (1003).

7. The novel air heat exchange structure of the cracking combustion chamber according to claim 1, characterized in that: The outer side of the electric control system (11) is fixedly connected with a display screen (1101), and the outer side of the electric control system (11) is fixedly connected with a connecting button (1102).

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