Wall cleaning device and cracking furnace

Abstract

The present invention discloses a wall cleaning device and a cracking furnace including the wall cleaning device, relating to the technical field of thermal cracking, and comprising: a plurality of first frameworks, the plurality of first frameworks are arranged along the axis direction of the cracking furnace, each first framework includes a sleeve and a plurality of first connecting columns, the sleeve coincides with the axis of the cracking furnace, the plurality of first connecting columns are uniformly arranged along the circumferential direction of the sleeve, the first end of each first connecting column is fixedly connected to the outer side wall of the sleeve, and the second end of each first connecting column is fixedly connected to the inner wall of the cracking furnace; a support crossbeam, which is arranged inside the cracking furnace, and the sleeve of each first framework is rotatably sleeved on the support crossbeam; a second framework, which is arranged inside the cracking furnace, and the second framework is fixedly connected to the support crossbeam; a scraper, which is arranged inside the cracking furnace and is fixedly connected to the second framework. This wall cleaning device can automatically complete the cleaning of the inner wall of the cracking furnace under the action of gravity without manual participation, the inner wall of the cracking furnace is convenient to clean, and it does not require a large amount of manpower.

Description

Technical Field

[0001] The present invention relates to the technical field of pyrolysis, and in particular to a wall cleaning device and a pyrolysis furnace including the wall cleaning device. Background Art

[0002] A pyrolysis furnace refers to a device used to carry out pyrolysis reactions on hydrocarbons. Existing pyrolysis furnaces all have the problem of wall sticking, which is very difficult to clean and requires a large amount of manpower. Therefore, how to overcome the above defects has become an urgent problem to be solved by those skilled in the art at present. Summary of the Invention

[0003] To solve the above technical problems, the present invention provides a wall cleaning device and a pyrolysis furnace including the wall cleaning device. The wall cleaning device can automatically clean the attachments on the inner wall of the pyrolysis furnace under the action of gravity, and the inner wall of the pyrolysis furnace is convenient to clean and does not require a large amount of manpower.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] The present invention provides a wall cleaning device, including: a plurality of first frameworks, each of the first frameworks is arranged in the pyrolysis furnace, and the plurality of first frameworks are arranged along the axial direction of the pyrolysis furnace. The first framework includes a sleeve and a plurality of first connecting columns. The sleeve coincides with the axis of the pyrolysis furnace, and the plurality of first connecting columns are uniformly arranged along the circumferential direction of the sleeve. The first end of each first connecting column is fixedly connected to the outer side wall of the sleeve, and the second end of each first connecting column is fixedly connected to the inner wall of the pyrolysis furnace; a support cross beam, the support cross beam is arranged in the pyrolysis furnace, and the sleeve of each first framework is rotatably sleeved on the support cross beam; a second framework, the second framework is arranged in the pyrolysis furnace, and the second framework is fixedly connected to the support cross beam; at least one scraper for scraping the attachments on the inner wall of the pyrolysis furnace, the scraper is arranged in the pyrolysis furnace, and the scraper is fixedly connected to the second framework.

[0006] Preferably, the number of the scrapers is two.

[0007] Preferably, the second framework includes two second connecting columns and an intermediate connecting column. The first ends of the two second connecting columns are fixedly connected, and the first ends of the two second connecting columns are both fixedly connected to the support cross beam. The two scrapers are respectively fixedly connected to the second ends of the two second connecting columns. The first end and the second end of the intermediate connecting column are respectively fixedly connected to the two second connecting columns.

[0008] Preferably, the number of the second frameworks is multiple, the multiple second frameworks are arranged along the length direction of the support cross beam and are all fixedly connected to the support cross beam, and each second framework is fixedly connected to the scraper.

[0009] Preferably, the number of the second frameworks is three.

[0010] Preferably, the scraping plate is an arc-shaped scraping plate, and the outer side wall of the scraping plate fits with the inner side wall of the cracking furnace.

[0011] Preferably, the number of the first frameworks is two.

[0012] Preferably, the number of the first connecting columns is three.

[0013] The present invention further provides a cracking furnace, which comprises a power device, a furnace body and the wall cleaning device as described above. The first framework, the supporting cross beam, the second framework and the scraping plate of the wall cleaning device are all arranged in the furnace body. The scraping plate of the wall cleaning device is used for scraping the attachments on the inner wall of the furnace body. The second ends of the first connecting columns of the wall cleaning device are all fixedly connected with the inner wall of the furnace body. The power device is used for driving the furnace body to rotate.

[0014] The present invention has achieved the following technical effects compared with the prior art:

[0015] The wall cleaning device provided by the present invention comprises: a plurality of first frameworks, each of which is arranged in the cracking furnace and arranged along the axis direction of the cracking furnace. The first framework comprises a sleeve and a plurality of first connecting columns. The sleeve coincides with the axis of the cracking furnace. The plurality of first connecting columns are uniformly arranged along the circumferential direction of the sleeve. The first ends of the first connecting columns are all fixedly connected with the outer side wall of the sleeve, and the second ends of the first connecting columns are all fixedly connected with the inner wall of the cracking furnace; a supporting cross beam, which is arranged in the cracking furnace, and the sleeve of each first framework is rotatably sleeved on the supporting cross beam; a second framework, which is arranged in the cracking furnace and fixedly connected with the supporting cross beam; at least one scraping plate for scraping the attachments on the inner wall of the cracking furnace, which is arranged in the cracking furnace and fixedly connected with the second framework. During the specific use process, the scraping plate has a certain weight and will only hang down under the action of gravity. When the cracking furnace rotates and the scraping plate remains in the hanging state, it is equivalent to scraping the inner wall of the cracking furnace continuously, playing a role in cleaning the wall. The wall cleaning process of this wall cleaning device does not require manual participation and can automatically complete the cleaning inside the cracking furnace under the action of gravity. The inner wall of the cracking furnace is convenient to clean and does not require a large amount of manpower. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 A schematic diagram of the structure of a wall cleaning device provided in an embodiment of the present invention;

[0018] Figure 2 A schematic diagram of the cooperation between the wall cleaning device and the furnace body provided in an embodiment of the present invention;

[0019] Figure 3 for Figure 2 AA section view.

[0020] Explanation of the accompanying drawings: 1. sleeve; 2. first connecting column; 3. supporting beam; 4. scraper; 5. second connecting column; 6. middle connecting column; 7. furnace body. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] The object of the present invention is to provide a wall cleaning device which is convenient for cleaning the inner wall of a cracking furnace and does not require a large amount of manpower.

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] refer to Figures 1 - 3 The present embodiment provides a wall cleaning device, comprising: a plurality of first frames, each of which is arranged in the cracking furnace, and the plurality of first frames are arranged along the axial direction of the cracking furnace, the first frame comprises a sleeve 1 and a plurality of first connecting columns 2, the sleeve 1 coincides with the axis of the cracking furnace, the plurality of first connecting columns 2 are evenly arranged along the circumference of the sleeve 1, the first end of each first connecting column 2 is fixedly connected to the outer wall of the sleeve 1, and the second end of each first connecting column 2 is fixedly connected to the inner wall of the cracking furnace; a supporting beam 3, the supporting beam 3 is arranged in the cracking furnace, the sleeve 1 of each first frame can be rotatably sleeved on the supporting beam 3 (the supporting beam 3 is supported on the sleeve 1); a second frame, the second frame is arranged in the cracking furnace, and the second frame is fixedly connected to the supporting beam 3; at least one scraper 4 for scraping off attachments (such as slag produced by cracking) on ​​the inner wall of the cracking furnace, the scraper 4 is arranged in the cracking furnace, and the scraper 4 is fixedly connected to the second frame.

[0025] In this embodiment, specifically, the number of the scraping plates 4 is two. Correspondingly, the second frame body includes two second connecting columns 5 and an intermediate connecting column 6. The first ends of the two second connecting columns 5 are fixedly connected, and the first ends of the two second connecting columns 5 are both fixedly connected to the support cross beam 3. The two scraping plates 4 are respectively fixedly connected to the second ends of the two second connecting columns 5. The first end and the second end of the intermediate connecting column 6 are respectively fixedly connected to the two second connecting columns 5. As Figure 1 shown, the two second connecting columns 5 and the intermediate connecting column 6 are arranged in an A shape.

[0026] In this embodiment, in order to improve the stability of the scraping plate 4, the number of the second frame bodies is multiple. The multiple second frame bodies are arranged along the length direction of the support cross beam 3 and are all fixedly connected to the support cross beam 3. Each second frame body is fixedly connected to the scraping plate 4. Specifically in this embodiment, the number of the second frame bodies is three. When one scraping plate 4 is provided, the three second frame bodies are all fixedly connected to the scraping plate 4. When multiple scraping plates 4 are provided, each scraping plate 4 is fixedly connected to the three second frame bodies.

[0027] In this embodiment, the scraping plate 4 is an arc-shaped scraping plate, and the outer side wall of the scraping plate 4 is attached to the inner side wall of the cracking furnace. It should be noted that the shape of the scraping plate 4 is not limited to an arc shape, and other shapes can also be selected as long as the attachments on the inner wall of the cracking furnace can be scraped off. For example, the scraping plate 4 can also be in a straight plate structure. In addition, in order to facilitate scraping the attachments on the inner wall of the cracking furnace, the scraping plate 4 can also be inclined at a certain angle or a scraper can be provided on the scraping plate 4.

[0028] In this embodiment, specifically, the number of the first frame bodies is two.

[0029] In this embodiment, specifically, the number of the first connecting columns 2 is three.

[0030] Referring to Figures 2 - 3 , this embodiment also provides a cracking furnace, which includes a power device, a furnace body 7 and a wall cleaning device. The first frame body, the support cross beam 3, the second frame body and the scraping plate 4 of the wall cleaning device are all arranged inside the furnace body 7. The scraping plate 4 of the wall cleaning device is used to scrape off the attachments on the inner wall of the furnace body 7. The second ends of the first connecting columns 2 of the wall cleaning device are all fixedly connected to the inner wall of the furnace body 7. The power device is used to drive the furnace body 7 to rotate. The specific structure of the power device belongs to the prior art, and any structure that can drive the furnace body 7 to rotate can be used. For example, the power device is selected as a motor, a gear is arranged on the output shaft of the motor, and teeth meshing with the gear are arranged on the circumferential side wall of the furnace body 7. The motor rotates to drive the furnace body 7 to rotate.

[0031] During the specific use process, the scraper 4 has a certain weight and will only hang down under the action of gravity. When the furnace body 7 rotates and the scraper 4 remains in the hanging state, it is equivalent to constantly scraping on the inner wall of the furnace body 7, playing a role in wall cleaning. The wall cleaning device provided in this embodiment does not require manual participation during the wall cleaning process and can automatically complete the cleaning inside the cracking furnace under the action of gravity. The inner wall of the cracking furnace is convenient to clean and does not require a large amount of manpower. In this specification, specific examples are used to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present invention.

Claims

1. A wall cleaning device, characterized in that, it includes: a plurality of first frameworks, each of the first frameworks is arranged in the cracking furnace, and the plurality of first frameworks are arranged along the axial direction of the cracking furnace. The first framework includes a sleeve and a plurality of first connecting columns. The sleeve coincides with the axis of the cracking furnace, and the plurality of first connecting columns are evenly arranged along the circumferential direction of the sleeve. The first end of each first connecting column is fixedly connected to the outer side wall of the sleeve, and the second end of each first connecting column is fixedly connected to the inner wall of the cracking furnace; a support cross beam, the support cross beam is arranged in the cracking furnace, and the sleeve of each first framework is rotatably sleeved on the support cross beam; a second framework, the second framework is arranged in the cracking furnace, and the second framework is fixedly connected to the support cross beam; two scrapers for scraping the attachments on the inner wall of the cracking furnace, the scrapers are arranged in the cracking furnace, the scrapers are fixedly connected to the second framework, and the scrapers are kept in a hanging state under the action of gravity; the two scrapers are arranged side by side along the circumferential side wall of the cracking furnace. The second framework includes two second connecting columns and an intermediate connecting column. The first ends of the two second connecting columns are fixedly connected, and the first ends of the two second connecting columns are both fixedly connected to the support cross beam. The two scrapers are respectively fixedly connected to the second ends of the two second connecting columns. The first end and the second end of the intermediate connecting column are respectively fixedly connected to the two second connecting columns.

2. The wall cleaning device according to claim 1, characterized in that, the number of the second frameworks is multiple, the multiple second frameworks are arranged along the length direction of the support cross beam and are all fixedly connected to the support cross beam, and each second framework is fixedly connected to the scraper.

3. The wall cleaning device according to claim 2, characterized in that, the number of the second frameworks is three.

4. The wall cleaning device according to claim 1, characterized in that, the scraper is an arc-shaped scraper, and the outer side wall of the scraper is attached to the inner side wall of the cracking furnace.

5. The wall cleaning device according to claim 1, characterized in that, the number of the first frameworks is two.

6. The wall cleaning device according to claim 1, characterized in that, the number of the first connecting columns is three.

7. A cracking furnace, characterized in that, it includes a power device, a furnace body and the wall cleaning device according to any one of claims 1-6. The first framework, the support cross beam, the second framework and the scraper of the wall cleaning device are all arranged in the furnace body. The scraper of the wall cleaning device is used for scraping the attachments on the inner wall of the furnace body. The second ends of the first connecting columns of the wall cleaning device are all fixedly connected to the inner wall of the furnace body. The power device is used for driving the furnace body to rotate.

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