CN115253759A

CN115253759A - Mixed feeding device of spent acid cracking furnace

Info

Publication number: CN115253759A
Application number: CN202210831764.XA
Authority: CN
Inventors: 徐锦标; 廖福
Original assignee: Jiangsu Zhunxin Chemical Engineering Co ltd
Current assignee: Jiangsu Zhunxin Chemical Engineering Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-11-01
Anticipated expiration: 2042-07-15
Also published as: CN115253759B

Abstract

The invention discloses a mixed feeding device of a waste acid cracking furnace, which comprises a mixing box, wherein a triangular mounting plate is arranged in the mixing box, the mounting plate is fixed in the mixing box through a plurality of mounting rods, a mixed stirring mechanism is arranged in the middle of the triangular mounting plate, a feeding mechanism, a discharging mechanism and a liquid inlet mechanism are sequentially arranged on the mounting plate around the mixed stirring mechanism, and the feeding mechanism, the discharging mechanism and the liquid inlet mechanism are linked with the mixed stirring mechanism through a linkage mechanism; like this when feeding and feed liquor, the discharge pipeline is closed, can ensure spent acid and reaction liquid intensive mixing stirring, has improved the homogeneity performance of mixing greatly, and along with the continuation of equipment is rotatory, feed pipeline and feed liquor pipeline close, and the discharge pipeline opens this moment, and the mixture after the misce bene can be discharged like this, and the discharge process mixes the rabbling mechanism and still is rotating, not only can guarantee to continue to mix in addition, can also improve mixture discharge speed under the drive of fan blade.

Description

Mixed feeding device of waste acid cracking furnace

Technical Field

The invention relates to the technical field of waste acid treatment, in particular to a mixed feeding device of a waste acid cracking furnace.

Background

Because the waste acid is liquid and the catalyst is generally powdery solid, when preheating treatment is carried out in the cracking furnace, the mixing efficiency of the liquid waste acid and the powdery catalyst is low, and the mixture with low mixing rate flows into the cracking furnace to influence the thermal cracking of the waste acid to a certain extent because the mixture cannot be fully mixed due to time limitation, so that the mixed feeding structure of the acetic acid cracking furnace is provided for solving the problems.

Disclosure of Invention

The invention aims to provide a mixed feeding device of a waste acid cracking furnace, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a mixed feeding device of a waste acid cracking furnace comprises a mixing box, wherein a triangular mounting plate is arranged in the mixing box, the mounting plate is fixed in the mixing box through a plurality of mounting rods, a mixing and stirring mechanism is arranged in the middle of the triangular mounting plate, a feeding mechanism, a discharging mechanism and a liquid inlet mechanism are sequentially arranged on the mounting plate around the mixing and stirring mechanism, and the feeding mechanism, the discharging mechanism and the liquid inlet mechanism are linked with the mixing and stirring mechanism through a linkage mechanism;

the mixing and stirring mechanism comprises a first rolling bearing, the first rolling bearing is fixed in the middle of the mounting plate, a first rotating shaft is arranged in the first rolling bearing, a mixing fan blade is fixed at the front end of the first rotating shaft, a first bevel gear is further sleeved on the first rotating shaft and located on the back face of the mounting plate, a rotating motor is connected to the rear end of the first rotating shaft, and the rotating motor is fixed on the outer wall of the mixing box.

Preferably, the feeding mechanism corresponds to a feeding pipeline on the mixing box, the feeding mechanism comprises a second rolling bearing, the second rolling bearing is fixed at the corner of the mounting plate, a second rotating shaft is arranged in the second rolling bearing, a second bevel gear is arranged at the rear end of the second rotating shaft, and a first gear is sleeved on the second rotating shaft positioned on the front side of the second bevel gear;

the front end of the second rotating shaft is rotatably connected with a first short connecting rod, the first short connecting rod is rotatably connected with a first long connecting rod, the first long connecting rod is rotatably connected with a first sliding block, a first piston is arranged on the first sliding block, and the first piston corresponds to the feeding pipeline and is matched with the pipe orifice of the feeding pipeline;

the first sliding block is located in the first sliding groove, and the first sliding groove is arranged at the corner of the mounting plate.

Preferably, the discharge mechanism corresponds to a discharge pipeline on the mixing box, the discharge mechanism comprises a third rolling bearing, the third rolling bearing is fixed at the corner of the mounting plate, a third rotating shaft is arranged in the third rolling bearing, and a second gear is arranged at the rear end of the third rotating shaft;

the front end of the third rotating shaft is rotatably connected with a second short connecting rod, the second short connecting rod is rotatably connected with a second long connecting rod, the second long connecting rod is rotatably connected with a second sliding block, a second piston is arranged on the second sliding block, and the second piston corresponds to the discharge pipeline and is matched with the pipe orifice of the discharge pipeline;

the second slider is located the second spout, the second spout is seted up in the edge of mounting panel.

Preferably, the liquid inlet mechanism corresponds to a liquid inlet pipeline on the mixing box, the liquid inlet mechanism comprises a fourth rolling bearing, the fourth rolling bearing is fixed at the corner of the mounting plate, a fourth rotating shaft is arranged in the fourth rolling bearing, and a third bevel gear is arranged at the rear end of the fourth rotating shaft;

the front end of the fourth rotating shaft is rotationally connected with a third short connecting rod, the third short connecting rod is rotationally connected with a third long connecting rod, the third long connecting rod is rotationally connected with a third sliding block, a third piston is arranged on the third sliding block, and the third piston corresponds to the liquid inlet pipeline and is matched with the pipe orifice of the liquid inlet pipeline;

the third slider is located the third spout, the third spout is seted up in the edge of mounting panel.

Preferably, the linkage mechanism comprises two first linkage rods, a second linkage rod and a linkage toothed belt, wherein fourth bevel gears are arranged on two sides of each first linkage rod, fifth bevel gears are arranged on two sides of each second linkage rod, the first linkage rods are positioned between the first bevel gears and the second bevel gears, the fourth bevel gears on two sides are respectively meshed with the corresponding first bevel gears and the corresponding second bevel gears, the second linkage rods are positioned between the first bevel gears and the third bevel gears, and the fifth bevel gears on two sides are respectively meshed with the corresponding first bevel gears and the corresponding third bevel gears;

the linkage toothed belt is wound between the first gear and the second gear.

Preferably, an atomizer is arranged in the liquid inlet pipeline, and a solid ejector is arranged in the liquid inlet pipeline.

Compared with the prior art, the invention has the beneficial effects that: the mixing and stirring mechanism is simple in structure and novel in design, when the mixing and stirring mechanism rotates, the liquid inlet mechanism and the feeding mechanism can rotate relatively under the driving of the first linkage rod and the second linkage rod of the linkage mechanism, so that corresponding pistons can be driven to be far away from pipe orifices through the matching of the long connecting rods and the short connecting rods in the rotating process, the simultaneous feeding and liquid inlet can be realized, and then the mixing and stirring can be carried out by the mixing fan blades;

meanwhile, under the drive of the linkage toothed belt of the linkage mechanism, the rotation directions of the feeding mechanism and the discharging mechanism are consistent, and then the feeding mechanism and the discharging mechanism are respectively arranged at opposite angles of a triangle, so that when a piston of the feeding mechanism is far away from a pipe orifice, the piston of the discharging mechanism is driven by the matching of the long connecting rod and the short connecting rod to block the pipe orifice of the discharging pipeline;

like this when feeding and feed liquor, the ejection of compact pipeline is closed, can ensure spent acid and reaction liquid intensive mixing stirring, has improved the homogeneity performance of mixing greatly, and along with the continuation rotation of equipment, feed pipeline and inlet tube close, and ejection of compact pipeline opens this moment, and the mixture after the misce bene can be discharged like this, and the discharge process mixes the rabbling mechanism and still is rotating in addition, not only can guarantee to continue to mix, can also improve mixture exhaust velocity under the drive of fan blade.

Drawings

FIG. 1 is a schematic side view of the overall internal structure of the present invention;

FIG. 2 is a front view of the overall internal structure of the present invention;

FIG. 3 is a schematic front view of the overall internal structure of the present invention after rotation;

FIG. 4 is an enlarged view of the portion A of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure of the portion C of FIG. 2 according to the present invention;

FIG. 6 is an enlarged view of the portion B of FIG. 2 according to the present invention;

FIG. 7 is a schematic view of the construction of the internal mounting plate of the present invention;

fig. 8 is a schematic view of the structure of the present invention located at the back of the mounting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the invention and simplifying the description, but do not indicate or imply that the device or the element to which the description refers must have a specific orientation, be configured in a specific orientation, and operate, and thus, cannot be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a waste acid cracking furnace's mixed feeding device, includes mixing box 1, be equipped with triangular mounting panel 11 in the mixing box 1, mounting panel 11 is fixed in mixing box 1 through a plurality of installation poles 12, triangular mounting panel 11's centre is equipped with mixed rabbling mechanism 2, is located be equipped with feed mechanism 3, discharge mechanism 4 and feed liquor mechanism 5 on the mounting panel 11 around mixed rabbling mechanism 2 in proper order, feed mechanism 3, discharge mechanism 4 and feed liquor mechanism 5 carry out the interlock through interlock mechanism and mixed rabbling mechanism 2 between.

In this embodiment, the mixing and stirring mechanism 2 includes a first rolling bearing 21, the first rolling bearing 21 is fixed in the middle of the mounting plate 11, a first rotating shaft 22 capable of rotating is arranged in the first rolling bearing 21, a mixing blade 23 is fixed at the front end of the first rotating shaft 22, waste acid and catalyst thereof are mixed by rotation of the mixing blade, a first bevel gear 24 is further sleeved on the first rotating shaft 22, the first bevel gear 24 is located on the back of the mounting plate 11, the rear end of the first rotating shaft 22 is connected with a rotating motor 25, the rotating motor 25 is fixed on the outer wall of the mixing box 1, and the first rotating shaft can be driven to rotate by starting the rotating motor, so that all components on the rotating shaft are driven to rotate together automatically.

In this embodiment, the feeding mechanism 3 corresponds to a feeding pipe 13 on the mixing box 1, and the feeding pipe is used for conveying a catalyst, the feeding mechanism 3 includes a second rolling bearing 31, the second rolling bearing 31 is fixed at a corner of the mounting plate 11, a second rotating shaft 32 capable of rotating is arranged in the second rolling bearing 31, then a second bevel gear 33 is arranged at the rear end of the second rotating shaft 32, and a first gear 34 is sleeved on the second rotating shaft positioned at the front side of the second bevel gear 33;

the front end of the second rotating shaft 32 is rotatably connected with a first short connecting rod 35, the first short connecting rod 35 is rotatably connected with a first long connecting rod 36, the first long connecting rod 36 is rotatably connected with a first sliding block 37, the first sliding block 37 is positioned in a first sliding groove 111, and the first sliding groove 111 is arranged at the corner of the mounting plate 11, so that when the second rotating shaft rotates, the first short connecting rod and the first long connecting rod can also move along with the rotation of the second rotating shaft, and the first sliding block is pushed to slide up and down in the first sliding groove;

and a first piston 371 is arranged on the first sliding block 37, the first piston 371 corresponds to the feeding pipeline 13 and is matched with the pipe orifice of the feeding pipeline 13, and when the first sliding block moves to be close to the discharging pipeline, the pipe orifice is blocked by the first piston.

In this embodiment, the discharging mechanism 4 corresponds to the discharging pipeline 14 on the mixing box 1, the discharging pipeline is used for discharging the mixed materials, the discharging mechanism 4 includes a third rolling bearing 41, the third rolling bearing 41 is fixed at a corner of the mounting plate 11, a rotatable third rotating shaft 42 is arranged in the third rolling bearing 41, and a second gear 43 is arranged at the rear end of the third rotating shaft 42;

the front end of the third rotating shaft 42 is rotatably connected with a second short connecting rod 44, the second short connecting rod 44 is rotatably connected with a second long connecting rod 45, the second long connecting rod 45 is rotatably connected with a second sliding block 46, the second sliding block 46 is positioned in a second sliding groove 112, and the second sliding groove 112 is arranged at the corner of the mounting plate 11, so that when the third rotating shaft rotates, the second short connecting rod and the second long connecting rod can also move along with the rotation of the third rotating shaft, and the second sliding block is pushed to slide up and down in the second sliding groove;

a second piston 461 is arranged on the second slider 46, the second piston 461 corresponds to the discharge pipeline 14 and is matched with the pipe orifice of the discharge pipeline 14, and when the second slider moves close to the discharge pipeline, the pipe orifice is blocked by the second piston.

In this embodiment, the liquid inlet mechanism 5 corresponds to the liquid inlet pipeline 15 on the mixing box 1, the liquid inlet pipeline is used for conveying waste acid, the liquid inlet mechanism 5 includes a fourth rolling bearing 51, the fourth rolling bearing 51 is fixed at a corner of the mounting plate 11, a fourth rotating shaft 52 capable of rotating is arranged in the fourth rolling bearing 51, and a third bevel gear 53 is arranged at the rear end of the fourth rotating shaft 52;

the front end of the fourth rotating shaft 52 is rotatably connected with a third short connecting rod 54, the third short connecting rod 54 is further rotatably connected with a third long connecting rod 55, the third long connecting rod 55 is rotatably connected with a third sliding block 56, the third sliding block 56 is positioned in a third sliding groove 113, the third sliding groove 113 is formed in the corner of the mounting plate 11, and when the fourth rotating shaft rotates, the third short connecting rod 54 and the third long connecting rod 55 can also move along with the rotation of the third connecting rod, so that the third sliding block is pushed to slide up and down in the third sliding groove;

and a third piston 561 is arranged on the third slide block 56, and the third piston 561 corresponds to the liquid inlet pipeline 15 and is matched with the pipe orifice of the liquid inlet pipeline 15, and when the third slide block moves close to the liquid inlet pipeline, the pipe orifice is blocked by the third piston.

In this embodiment, the linkage mechanism includes two first linkage rods 61, two second linkage rods 62 and a linkage toothed belt 63, wherein the middle sections of the first linkage rods 61 and the second linkage rods 62 are fixed on the inner wall of the mixing box through a rotating bracket, the fourth bevel gears 611 are arranged on both sides of the first linkage rods 61, and the fifth bevel gears 621 are arranged on both sides of the second linkage rods 62;

the first link rod 61 is disposed between the first bevel gear 24 and the second bevel gear 33, while the fourth bevel gears 611 on both sides thereof are respectively engaged with the corresponding first bevel gear 24 and second bevel gear 33; the second linkage rod 62 is arranged between the first bevel gear 24 and the third bevel gear 53, and the fifth bevel gears 621 on two sides of the second linkage rod are respectively meshed with the corresponding first bevel gear 24 and the corresponding third bevel gear 53;

when the first rotating shaft of the mixing and stirring mechanism rotates, the first linkage rod and the second linkage rod are driven to rotate simultaneously, the first linkage rod rotates clockwise, and the second linkage rod rotates anticlockwise;

therefore, the second rotating shaft corresponding to the other end of the first linkage rod rotates anticlockwise, so that the first short connecting rod and the first long connecting rod on the feeding mechanism are driven to move the first sliding block under the matching condition, and the closing or opening of the feeding pipeline is realized;

a fourth rotating shaft corresponding to the other end of the second linkage rod rotates clockwise, so that a third short connecting rod and a third long connecting rod on the liquid inlet mechanism are driven to cooperate to move a third sliding block, and the liquid inlet pipeline is closed or opened;

through the relative motion process of the second rotating shaft and the fourth rotating shaft, the liquid inlet pipeline and the liquid inlet pipeline can be closed or opened simultaneously.

The interlocking toothed belt 63 is wound between the first gear 34 and the second gear 43, so that when a second rotating shaft of the feeding mechanism rotates, the second gear can be driven to rotate, and at the moment, a third rotating shaft rotates, so that a second short connecting rod and a second long connecting rod on the discharging mechanism are driven to cooperatively move a second sliding block, and the closing or opening of a discharging pipeline is realized;

the second rotating shaft and the third rotating shaft rotate in the same direction under the action of the linkage toothed belt, so that the feeding pipeline and the liquid inlet pipeline are opened when the discharging pipeline is closed.

In this embodiment, set up atomizer 151 in inlet channel 15, can spout behind the spent acid liquid atomizing set up solid sprayer 131 in the inlet channel 13, can also spray out the catalyst, can be with both more even mixtures under the drive of mixing the fan blade like this.

The working principle is as follows: connecting a liquid inlet pipeline with a waste acid pipeline, connecting a material inlet pipeline with a catalyst pipeline, and connecting a material outlet pipeline with a cracking furnace;

then, the rotating motor is started to drive the first rotating shaft to rotate, so that the mixing and stirring mechanism is driven to rotate;

meanwhile, under the driving of the first linkage rod and the second linkage rod, the second rotating shaft of the feeding mechanism and the fourth rotating shaft of the liquid inlet mechanism can rotate in a relative motion manner, and the two rotating shafts are arranged on the triangular mounting plate and are positioned at opposite corners, so that the liquid inlet pipeline and the feeding pipeline can be opened simultaneously in the relative motion process;

then the atomizer and the solid ejector can spray out waste acid and catalyst, and the waste acid and the catalyst are mixed and stirred by matching with the rotation of the mixing fan blade;

meanwhile, under the drive of the linkage toothed belt of the linkage mechanism, the rotation directions of the feeding mechanism and the discharging mechanism are consistent, and then the feeding mechanism and the discharging mechanism are also respectively arranged at the relative angles of the triangle, so when the first piston of the feeding mechanism is far away from the pipe orifice, the second piston of the discharging mechanism is driven by the matching of the long connecting rod and the short connecting rod, the pipe orifice of the discharging pipeline can be plugged, and sufficient mixing is ensured.

Along with the continuation rotation of first pivot, relative motion's rotation is continued to feed mechanism's second pivot and feed liquor mechanism's fourth pivot to drive first piston and third piston and plug up charge-in pipeline and feed liquor pipeline, discharge mechanism's third pivot this moment carries out unanimous rotation along with feed mechanism's second pivot, will drive the ejection of compact pipeline and open, arrange the material.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mixed feeding device of spent acid cracking furnace, includes mixing box 1, be equipped with triangular mounting panel 11 in the mixing box 1, mounting panel 11 is fixed in mixing box 1 through a plurality of installation poles 12, triangular mounting panel 11's centre is equipped with mixes rabbling mechanism 2, is located be equipped with feed mechanism 3, discharge mechanism 4 and feed liquor mechanism 5 on the mounting panel 11 on mixed rabbling mechanism 2 periphery in proper order, feed mechanism 3, discharge mechanism 4 and feed liquor mechanism 5 carry out the interlock through interlock mechanism and mixed rabbling mechanism 2 between, its characterized in that: the mixing and stirring mechanism 2 comprises a first rolling bearing 21, the first rolling bearing 21 is fixed in the middle of the mounting plate 11, a first rotating shaft 22 is arranged in the first rolling bearing 21, a mixing fan blade 23 is fixed at the front end of the first rotating shaft 22, a first bevel gear 24 is further sleeved on the first rotating shaft 22, the first bevel gear 24 is located on the back face of the mounting plate 11, a rotating motor 25 is connected to the rear end of the first rotating shaft 22, and the rotating motor 25 is fixed on the outer wall of the mixing box 1.

2. A waste acid cracking furnace's mixed feeding device of claim 1, characterized in that: the feeding mechanism 3 corresponds to the feeding pipeline 13 on the mixing box 1, the feeding mechanism 3 comprises a second rolling bearing 31, the second rolling bearing 31 is fixed at the corner of the mounting plate 11, a second rotating shaft 32 is arranged in the second rolling bearing 31, a second bevel gear 33 is arranged at the rear end of the second rotating shaft 32, and a first gear 34 is sleeved on the second rotating shaft positioned on the front side of the second bevel gear 33;

the front end of the second rotating shaft 32 is rotatably connected with a first short connecting rod 35, the first short connecting rod 35 is further rotatably connected with a first long connecting rod 36, the first long connecting rod 36 is rotatably connected with a first sliding block 37, a first piston 371 is arranged on the first sliding block 37, and the first piston 371 corresponds to the feeding pipeline 13 and is matched with the pipe orifice of the feeding pipeline 13;

the first sliding block 37 is located in the first sliding groove 111, and the first sliding groove 111 is opened at a corner of the mounting plate 11.

3. A waste acid cracking furnace's mixed feeding device of claim 1, characterized in that: the discharging mechanism 4 corresponds to the discharging pipeline 14 on the mixing box 1, the discharging mechanism 4 comprises a third rolling bearing 41, the third rolling bearing 41 is fixed at the corner of the mounting plate 11, a third rotating shaft 42 is arranged in the third rolling bearing 41, and a second gear 43 is arranged at the rear end of the third rotating shaft 42;

the front end of the third rotating shaft 42 is rotatably connected to a second short connecting rod 44, the second short connecting rod 44 is further rotatably connected to a second long connecting rod 45, the second long connecting rod 45 is rotatably connected to a second sliding block 46, a second piston 461 is arranged on the second sliding block 46, and the second piston 461 corresponds to the discharge pipeline 14 and is matched with the pipe orifice of the discharge pipeline 14;

the second sliding block 46 is located in the second sliding groove 112, and the second sliding groove 112 is opened at a corner of the mounting plate 11.

4. A waste acid cracking furnace's mixed feeding device of claim 1, characterized in that: the liquid inlet mechanism 5 corresponds to the liquid inlet pipeline 15 on the mixing box 1, the liquid inlet mechanism 5 comprises a fourth rolling bearing 51, the fourth rolling bearing 51 is fixed at the corner of the mounting plate 11, a fourth rotating shaft 52 is arranged in the fourth rolling bearing 51, and a third bevel gear 53 is arranged at the rear end of the fourth rotating shaft 52;

the front end of the fourth rotating shaft 52 is rotatably connected with a third short connecting rod 54, the third short connecting rod 54 is rotatably connected with a third long connecting rod 55, the third long connecting rod 55 is rotatably connected with a third slider 56, a third piston 561 is arranged on the third slider 56, and the third piston 561 corresponds to the liquid inlet pipeline 15 and is matched with the pipe orifice of the liquid inlet pipeline 15;

the third sliding block 56 is located in a third sliding groove 113, and the third sliding groove 113 is opened at a corner of the mounting plate 11.

5. A waste acid cracking furnace mix feeding device according to claim 1, wherein: the linkage mechanism comprises two first linkage rods 61, two second linkage rods 62 and a linkage toothed belt 63, wherein fourth bevel gears 611 are arranged on two sides of each first linkage rod 61, fifth bevel gears 621 are arranged on two sides of each second linkage rod 62, each first linkage rod 61 is positioned between each first bevel gear 24 and each second bevel gear 33, the fourth bevel gears 611 on two sides are respectively meshed with the corresponding first bevel gear 24 and the corresponding second bevel gear 33, each second linkage rod 62 is positioned between each first bevel gear 24 and each third bevel gear 53, and the fifth bevel gears 621 on two sides are respectively meshed with the corresponding first bevel gear 24 and the corresponding third bevel gear 53;

the interlocking toothed belt 63 is wound between the first gear 34 and the second gear 43.

6. A waste acid cracking furnace's mixed feeding device of claim 4, characterized in that: an atomizer 151 is arranged in the liquid inlet pipeline 15, and a solid ejector 131 is arranged in the liquid inlet pipeline 13.