Cracking furnace capable of effectively preventing coking

By installing scrapers and positioning components inside the pyrolysis furnace, combined with intermittently driven gears, the problem of coking in the pyrolysis furnace was solved, and energy consumption was reduced.

CN224024979UActive Publication Date: 2026-03-24JIANGSU XINJIU CHEM EQUIP MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-30
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Coking furnaces are prone to coking during high-temperature pyrolysis. Conventional anti-coking methods require the furnace to be rotated, resulting in high energy consumption.

Method used

A pyrolysis furnace structure including a scraper and a positioning component was designed. The scraper rotates in contact with the inner wall of the furnace to prevent coking, and the positioning component restricts the rotation of the scraper. Combined with an intermittent drive gear, the furnace body is driven to rotate, avoiding continuous rotation.

Benefits of technology

It effectively prevents coking, reduces energy consumption, and enables the furnace body to prevent coking without continuous rotation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cracking furnaces, in particular to a cracking furnace capable of effectively preventing coking, which comprises a mounting frame, a plurality of support plates are arranged at the top end of the mounting frame, a furnace body is supported by the top ends of the plurality of support plates together, two fixed gear rings are fixedly mounted on the outer wall of the furnace body, and the fixed gear rings are fixedly mounted on the outer wall of the furnace body. According to the device, rotation of the mounting cylinder and the scraping plate is limited through the inserting plate, at the moment, due to the fact that the scraping plate is attached to the inner wall of the furnace body, the furnace body rotates under the condition that the furnace body is driven by the driving gears, and the cover plate is installed on the front end face of the furnace body; in the rotating process of the furnace body, different positions of the inner wall of the furnace body can be in continuous contact with the scraping plate, the coking phenomenon of the inner wall of the furnace body is avoided, the driving gear can be started to rotate in a timing mode in the using process, the to-be-heated part of the furnace body is changed, the situation that the driving gear is in a non-stop state is avoided, and energy consumption is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pyrolysis furnace technical field, concretely is a pyrolysis furnace that can effectively prevent coking. BACKGROUND

[0002] As necessary equipment in the field of petrochemical industry, pyrolysis furnace is mainly used for cracking organic compounds into small molecular compounds under high temperature and high pressure environment, and more fuel oil such as gasoline and diesel can be obtained after chemical materials are treated by pyrolysis furnace.

[0003] And because coking phenomenon is prone to occur on the inner wall of the furnace body when the pyrolysis furnace cracks the materials in the furnace body at high temperature, the conventional anti-coking method is to control the rotation of the furnace body and heat the furnace body in the periphery during rotation, so that each part of the furnace body is uniformly heated, but in the use process, the furnace body lacks a scraping cleaning mechanism, and this anti-coking method needs to keep the furnace body in a rotating state at all times, which leads to large energy consumption and needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a pyrolysis furnace that can effectively prevent coking to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a pyrolysis furnace that can effectively prevent coking, comprising a mounting frame, the top end of the mounting frame is provided with a plurality of supporting plates, the top end of a plurality of supporting plates is commonly provided with a furnace body, the outer wall of the furnace body is fixedly provided with two fixed gear rings, the outer wall of the two fixed gear rings is movably provided with a driving gear ring that can drive the fixed gear ring to rotate, the front end surface of the furnace body is rotatably provided with a cover plate, the furnace body is provided with a mounting cylinder, and the rear surface of the mounting cylinder is rotatably connected with the inner wall of the furnace body, the outer wall of the mounting cylinder is provided with a plurality of scraping plates that can prevent the inner wall of the furnace body from coking, and the front end surface of the mounting frame is provided with a positioning assembly.

[0006] Preferably, the positioning assembly comprises a translation rod and a plug-in rod, the front end surface of the translation rod is rotatably provided with a rotating plate, the rotating plate is fixedly provided with a boss, and the boss is provided with a plug-in plate.

[0007] Preferably, the rotating plate is provided with a plug-in hole, and the diameter size of the plug-in hole is the same as the diameter size of the plug-in rod.

[0008] Preferably, the outer wall of the furnace body is provided with a plurality of protrusions, the front and rear ends of the protrusions are provided with threaded through holes, and a screw rod is movably installed in the threaded through hole, and the outer wall of the screw rod is movably provided with a nut that can make the cover plate and the furnace body tightly attached.

[0009] Preferably, the outer wall of the furnace body is provided with a plurality of circular grooves matching the width of the supporting plate, the supporting plate is arranged in the circular groove, and the top end of the supporting plate is provided with a plurality of rolling balls which are movably attached to the inner wall of the circular groove.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The installation cylinder and the scraper are limited by the plug-in plate to rotate, at this time, the furnace body is driven to rotate under the driving of the driving gear, and the inner wall of the furnace body will continuously contact the scraper at different positions during the rotation of the furnace body, so that the coking phenomenon of the inner wall of the furnace body is avoided, and the driving gear can be started to rotate at regular time during use, so that the part to be heated of the furnace body can be changed, the driving gear is avoided from being in a state of non-stop, and the energy consumption is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a schematic diagram of the overall structure of the application;

[0013] Fig. 2 It is a schematic diagram of the furnace body structure of the application;

[0014] Fig. 3 It is a schematic diagram of the positioning assembly structure of the application.

[0015] In the figure: 1, mounting frame; 2, supporting plate; 3, furnace body; 4, fixed gear ring; 5, driving gear; 6, cover plate; 7, screw; 8, nut; 9, installation cylinder; 10, scraper; 11, positioning assembly; 12, translation rod; 13, rotating plate; 14, boss; 15, plug-in plate; 16, plug-in rod. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0017] Please refer to Figs. 1 to 3The utility model provides a technical scheme: a pyrolysis furnace can effectively prevent coking, including mounting bracket 1, the top of mounting bracket 1 is provided with a plurality of supporting plate 2, can conveniently support the furnace body 3 through supporting plate 2, the top of a plurality of supporting plate 2 is commonly supported with furnace body 3, and the outer wall of furnace body 3 is fixedly installed with two fixed gear rings 4, and the outer wall of two fixed gear rings 4 is movably attached with the driving gear 5 that can drive fixed gear ring 4 rotation, and the driving gear 5 is composed of support frame, rotating motor, gear ring, and the support frame is fixedly installed at the top of mounting bracket 1, and the rotating motor is installed on the support frame, and the gear ring is fixedly sleeved on the output shaft outer wall of rotating motor, and the gear ring is movably attached with fixed gear ring 4, and the outer wall of fixed gear ring 4 and gear ring is provided with a plurality of teeth that can be engaged with each other, to facilitate the rotation of fixed gear ring 4 in the process of driving gear 5 rotation, realize the effect of driving furnace body 3 rotation, and the front end surface of furnace body 3 is rotatably installed with cover plate 6, and the inside of furnace body 3 is provided with mounting cylinder 9, and the rear surface of mounting cylinder 9 is rotatably connected between the inner wall of furnace body 3, and the outer wall of mounting cylinder 9 is provided with a plurality of scrapers 10 that can prevent the inner wall of furnace body 3 from coking, and the inner wall of furnace body 3 is movably attached with scraper 10, and furnace body 3 rotates under the drive of driving gear 5, because scraper 10 is attached with the inner wall of furnace body 3, so that the coking phenomenon on the inner wall of furnace body 3 can be avoided, and the front end surface of mounting bracket 1 is provided with positioning assembly 11.

[0018] Positioning assembly 11 includes translation lever 12, plug-in rod 16, the front end surface of translation lever 12 is rotatably installed with rotating plate 13, rotating plate 13 is fixedly installed with boss 14, boss 14 is provided with plug-in plate 15, plug-in plate 15 is composed of movable rod and square plate, the front end surface of movable rod is provided with engaging square block, boss 14 is provided with the through -hole that is matched with movable rod diameter size, and the front end surface of through -hole is provided with the engaging slot that is matched with engaging square block, by engaging square block insertion engaging slot, can avoid movable rod to produce rotation, the front end surface of square plate of plug-in plate 15 one of the composed structures is provided with cubic block, the rear surface of movable rod is provided with cubic slot that is matched with cubic block, the front end surface of mounting cylinder 9 is provided with the opening that is matched with square plate of plug-in plate 15 one of the composed structures length-width-height size, cover plate 6 is provided with movable rod diameter size matched through -hole, in actual use process, first square plate is inserted into the opening on mounting cylinder 9, after cover plate 6 is fixed at the front end surface of furnace body 3, movable rod is penetrated through cover plate 6 and is connected with square plate, at this moment, the engaging square block on movable rod is inserted into the engaging slot on boss 14, can limit mounting cylinder 9, scraper 10 rotation through plug-in plate 15, through the rotation of furnace body 3 makes its inner wall contact scraper 10, avoids the coking phenomenon, and translation lever 12, plug-in rod 16 diameter size is same, and the front end surface of mounting bracket 1 is provided with the plug-in hole that is matched with plug-in rod 16 diameter size, by translation lever 12, plug-in rod 16 insertion plug-in hole, can conveniently make boss 14 attach cover plate 6 after cover plate 6 is fixed at the front end surface of furnace body 3.

[0019] The rotating plate 13 is provided with an insertion hole with the same diameter as the insertion rod 16, and the insertion rod 16 is inserted into the insertion hole of the rotating plate 13, so that the rotating plate 13 is prevented from rotating due to the rotating connection between the translation rod 12 and the rotating plate 13 when the furnace body 3 drives the cover plate 6 to rotate.

[0020] The outer wall of the furnace body 3 is provided with a plurality of protrusions, the front and rear ends of each protrusion are provided with a threaded through hole, a screw rod 7 is movably installed in each threaded through hole, and a nut 8 that can tightly attach the cover plate 6 to the furnace body 3 is movably installed on the outer wall of the screw rod 7. After the furnace body 3 and the cover plate 6 are attached, the nut 8 is rotated on the screw rod 7 and tightly attached to the cover plate 6 during rotation, so that the cover plate 6 is fixed between the furnace body 3 and the nut 8.

[0021] The outer wall of the furnace body 3 is provided with a plurality of circular grooves matching the width of the supporting plate 2, and the supporting plate 2 is placed in the circular groove. The top end of the supporting plate 2 is provided with a plurality of ball bearings that are movably attached to the inner wall of the circular groove, so as to prevent the contact area between the supporting plate 2 and the furnace body 3 from being too large, thereby increasing the friction and affecting the use.

[0022] Working principle: when in use, the material is placed in the furnace body 3, the square plate of the insertion plate 15 is inserted into the opening of the installation cylinder 9, the cover plate 6 and the furnace body 3 are installed together and locked, the movable rod of the insertion plate 15 is inserted through the cover plate 6 and connected to the square plate, the clamping block on the movable rod is inserted into the clamping groove on the boss 14, the installation cylinder 9 and the scraper 10 are limited to rotate by the insertion plate 15, the driving gear 5 is started at random by the external power supply, and the existing heating equipment is used to heat the furnace body 3. The driving gear 5 drives the furnace body 3 to move temporarily in position through the fixed gear ring 4 during rotation, and the inner wall of the furnace body 3 contacts the scraper 10 at different positions during rotation, so that the coking phenomenon of the inner wall of the furnace body 3 is avoided, and the driving gear 5 is not required to be in a state of not stopping.

[0023] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A pyrolysis furnace which is effective in preventing coking, comprising a mounting frame (1), characterized in that: The top end of the mounting frame (1) is provided with several supporting plates (2), the top ends of the several supporting plates (2) are used for supporting a furnace body (3) together, two fixed tooth rings (4) are fixedly installed on the outer wall of the furnace body (3), a driving gear (5) used for driving the fixed tooth ring (4) to rotate is movably attached to the outer wall of each of the two fixed tooth rings (4), a cover plate (6) is rotatably installed on the front end face of the furnace body (3), an installation cylinder (9) is arranged in the furnace body (3) and is rotatably connected between the back face of the installation cylinder (9) and the inner wall of the furnace body (3), a plurality of scraping plates (10) used for preventing the inner wall of the furnace body (3) from coking are arranged on the outer wall of the installation cylinder (9), and the front end face of the mounting frame (1) is provided with a positioning assembly (11).

2. A pyrolysis furnace capable of effectively preventing coking as claimed in claim 1 wherein: The positioning assembly (11) comprises a translation rod (12) and a plug-in rod (16), a rotating plate (13) is rotatably installed on the front end face of the translation rod (12), a boss (14) is fixedly installed on the rotating plate (13), and a plug-in plate (15) is arranged on the boss (14).

3. A pyrolysis furnace effective to prevent coking as claimed in claim 2 wherein: The rotating plate (13) is provided with a plug-in hole, and the diameter of the plug-in hole is the same as the diameter of the plug-in rod (16).

4. A pyrolysis furnace effective to prevent coking as claimed in claim 1, wherein: The outer wall of the furnace body (3) is provided with several protrusions, threaded through holes are arranged at the front end and the rear end of each of the protrusions, and a screw rod (7) is movably installed in each of the threaded through holes, and a nut (8) used for tightly attaching the cover plate (6) to the furnace body (3) is movably sleeved on the outer wall of the screw rod (7).

5. A pyrolysis furnace effective to prevent coking as claimed in claim 1, wherein: The outer wall of the furnace body (3) is provided with several circular grooves matching the width of the supporting plate (2), the supporting plate (2) is arranged in the circular groove, and the top end of the supporting plate (2) is provided with several balls movably attached to the inner wall of the circular groove.