CN108659872B

CN108659872B - Thermal cracking reaction device

Info

Publication number: CN108659872B
Application number: CN201810571381.7A
Authority: CN
Inventors: 王焕升
Original assignee: Jiangsu United Venture Environmental Protection Co ltd
Current assignee: Yancheng Beichuang Environmental Protection Technology Co ltd
Priority date: 2018-06-06
Filing date: 2018-06-06
Publication date: 2020-11-10
Anticipated expiration: 2038-06-06
Also published as: CN108659872A

Abstract

The invention discloses a thermal cracking reaction device, which comprises a reaction kettle body and a feeding nozzle arranged in the reaction kettle body, wherein the feeding nozzle comprises a first pipe section, a second pipe section, a third pipe section and a fourth pipe section which are sequentially and rotationally connected, the rotational axis and the self axis of the second pipe section are collinear with the self axis of the first pipe section, the rotational planes of the third pipe section and the second pipe section are inclined with the self axis of the second pipe section and inclined with the self axis of the third pipe section, and the rotational planes of the third pipe section and the fourth pipe section are inclined with the self axes of the third pipe section and the fourth pipe section and are provided with at least one position for the self axes of the third pipe section and the fourth pipe section to be collinear. The nozzle is composed of a plurality of sections, the rotating axis of each section is coaxial or inclined with the self axis, and the catalyst can be more timely and uniformly filled into the reaction kettle body by rotating and adjusting the angle and the direction of the outlet end of the nozzle.

Description

Thermal cracking reaction device

Technical Field

The invention belongs to the field of chemical equipment, and particularly relates to a thermal cracking reaction device.

Background

The working principle of tar cracking of the biomass anaerobic fixed bed in the prior art is that after pretreatment, biomass is packaged in a pyrolysis reaction kettle of a pyrolysis furnace, a cracking reaction product is led out after the completion of the cracking reaction, and materials and catalysts are supplemented.

Disclosure of Invention

The invention aims to provide a thermal cracking reaction device which can adjust the spraying direction and position of a catalyst as required so that the catalyst can be more timely and uniformly filled into a reaction kettle body.

In order to achieve the effect, the invention adopts the following scheme: a thermal cracking reaction device comprises a reaction kettle body, a feeding nozzle, a heating assembly, a feeding port and a discharging port, wherein the feeding nozzle and the heating assembly are arranged in the reaction kettle body, the feeding nozzle comprises a first pipe section, a second pipe section, a third pipe section and a fourth pipe section which are sequentially and mutually connected in a rotating manner, a side wall of the first pipe section is provided with a third driving assembly, the third driving assembly is used for driving the third pipe section to rotate, the third driving assembly is used for driving the fourth pipe section to rotate, the rotating axis of the second pipe section and the self axis of the first pipe section are arranged on the side wall of the first pipe section and the side wall of the second pipe section, the third pipe section and the rotating plane of the second pipe section and the self axis of the second pipe section are mutually inclined in a collinear manner and are mutually inclined in a manner, the rotation planes of the third pipe section and the fourth pipe section are obliquely arranged with the self axes of the third pipe section and the fourth pipe section and at least have one position that the self axes of the third pipe section and the fourth pipe section are collinear.

The first driving assembly, the second driving assembly and the third driving assembly respectively comprise a support, a motor and a gear assembly, driven teeth meshed with the gear assembly are arranged on the periphery of the splicing end portion of the second pipe section and the first pipe section, driven teeth meshed with the gear assembly are arranged on the periphery of the splicing end portion of the third pipe section and the second pipe section, and driven teeth meshed with the gear assembly are arranged on the periphery of the splicing end portion of the fourth pipe section and the third pipe section.

And plane bearings are arranged between the first pipe section and the second pipe section, between the second pipe section and the third pipe section and between the third pipe section and the fourth pipe section.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the nozzle is composed of a plurality of sections, the rotating axis of each section is coaxial or inclined with the self axis, and the catalyst can be more timely and uniformly filled into the reaction kettle body by rotating and adjusting the angle and the direction of the outlet end of the nozzle.

Drawings

FIG. 1 is a schematic structural view of a thermal cracking reactor;

FIG. 2 is a schematic view of the feed nozzle in one of its states;

fig. 3 is a schematic view of the feed nozzle in another state.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.

As shown in fig. 1/2/3, the thermal cracking reaction apparatus includes a reaction vessel body 1, a feeding nozzle 2 and a heating element arranged in the reaction vessel body 1, and a feeding port and a discharging port arranged on the reaction vessel body 1, wherein the feeding nozzle 2 includes a first pipe section 3, a second pipe section 4, a third pipe section 5 and a fourth pipe section 6 which are connected in turn in a rotating manner, a side wall of the first pipe section 3 is provided with a driving component 11 and a side wall of the second pipe section 4 which are used for driving the third pipe section 5 to rotate, a second driving component 12 and a side wall of the third pipe section 5 are provided with a driving component 13 which is used for driving the fourth pipe section 6 to rotate, a rotating axis and a self axis of the second pipe section 4 are collinear with the self axis of the first pipe section 3, and a rotating plane of the third pipe section 5 and the second pipe section 4 is inclined with the self axis of the second pipe section 4 and with the third pipe section 4 5, and the rotation planes of the third pipe section 5 and the fourth pipe section 6 and the self axes of the third pipe section 5 and the fourth pipe section 6 are obliquely arranged and have at least one position, and the self axes of the third pipe section 5 and the fourth pipe section 6 are collinear.

The first driving assembly 11, the second driving assembly 12 and the third driving assembly 13 all comprise a support 7, a motor 8 and a gear assembly 9, driven teeth meshed with the gear assembly 9 are arranged on the periphery of the splicing end portion of the second pipe section 4 and the first pipe section 3, driven teeth meshed with the gear assembly 9 are arranged on the periphery of the splicing end portion of the third pipe section 5 and the second pipe section 4, and driven teeth 14 meshed with the gear assembly 9 are arranged on the periphery of the splicing end portion of the fourth pipe section 6 and the third pipe section 5. And a plane bearing 15 is arranged between the first pipe section 3 and the second pipe section 4, between the second pipe section 4 and the third pipe section 5, and between the third pipe section 5 and the fourth pipe section 6.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a thermal cracking reaction device, its includes the reation kettle body, locates internal material feeding nozzle of reation kettle, heating element and locate feed inlet and discharge gate on the reation kettle body, its characterized in that: the feeding nozzle comprises a first pipe section, a second pipe section, a third pipe section and a fourth pipe section which are sequentially and rotationally connected, a first driving component for driving the second pipe section to rotate is arranged on the side wall of the first pipe section, a second driving component for driving the third pipe section to rotate is arranged on the side wall of the second pipe section, a third driving component for driving the fourth pipe section to rotate is arranged on the side wall of the third pipe section, the rotation axis and the self axis of the second pipe section are collinear with the self axis of the first pipe section, the rotation plane of the third pipe section and the second pipe section is inclined with the self axis of the second pipe section and is obliquely arranged with the self axis of the third pipe section, the rotation planes of the third pipe section and the fourth pipe section are obliquely arranged with the self axes of the third pipe section and the fourth pipe section and at least have one position that the self axes of the third pipe section and the fourth pipe section are collinear.

2. A thermal cracking reactor apparatus as claimed in claim 1, wherein: the first driving assembly, the second driving assembly and the third driving assembly respectively comprise a support, a motor and a gear assembly, driven teeth meshed with the gear assembly are arranged on the periphery of the splicing end portion of the second pipe section and the first pipe section, driven teeth meshed with the gear assembly are arranged on the periphery of the splicing end portion of the third pipe section and the second pipe section, and driven teeth meshed with the gear assembly are arranged on the periphery of the splicing end portion of the fourth pipe section and the third pipe section.

3. A thermal cracking reactor apparatus as claimed in claim 1, wherein: and plane bearings are arranged between the first pipe section and the second pipe section, between the second pipe section and the third pipe section and between the third pipe section and the fourth pipe section.