CN111156823A

CN111156823A - Decomposing furnace

Info

Publication number: CN111156823A
Application number: CN202010037457.5A
Authority: CN
Inventors: 甘丽华
Original assignee: Jiande South Cement Co Ltd
Current assignee: Jiande South Cement Co Ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-05-15
Anticipated expiration: 2040-01-14
Also published as: CN111156823B

Abstract

The invention discloses a decomposing furnace, which comprises a furnace body, an air supply box, an anthracite fuel box, a raw material box, a first injection device, a second injection device, a first collecting device and a second collecting device, wherein the first injection device is communicated with the anthracite fuel box and used for injecting anthracite, the second injection device is positioned above the first injection device and communicated with the raw material box and used for injecting raw materials, the first collecting device is positioned above the second injection device and used for collecting raw materials which are not completely decomposed, and the second collecting device is positioned above the first collecting device and used for collecting raw materials which are not completely decomposed; the invention can ensure that the fuel is completely combusted in the decomposing furnace, and the effective heat exchange of the raw meal in the decomposing furnace is strengthened.

Description

Decomposing furnace

Technical Field

The invention relates to the technical field of cement thermal equipment, in particular to a decomposing furnace.

Background

Although the decomposing furnace has been developed rapidly since the 70 s of the last century, how to reasonably arrange and match wind, coal and materials in the decomposing furnace to ensure that fuel is stably and completely combusted in the decomposing furnace with high raw material concentration still is a problem which troubles the industry.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the decomposing furnace, which can ensure that fuel is completely combusted in the decomposing furnace, and the effective heat exchange of raw meal in the decomposing furnace is strengthened.

In order to achieve the purpose, the invention adopts the following technical scheme: a decomposing furnace comprises a furnace body, a wind supply box, an anthracite fuel box, a raw material box, a first injection device communicated with the anthracite fuel box and used for injecting anthracite, a second injection device positioned above the first injection device and communicated with the raw material box and used for injecting raw material, a first collecting device positioned above the second injection device and used for collecting raw material which is not completely decomposed, and a second collecting device positioned above the first collecting device and used for collecting raw material which is not completely decomposed, the first injection device comprises a first pipeline arranged on the smokeless fuel tank, a plurality of fan-blade-shaped discharge plates which are distributed in an annular shape at equal intervals and are rotatably arranged at the upper end of the first pipeline, a fixed rod which penetrates through the furnace body and is fixedly arranged on the discharge plates, a rotating rod fixedly arranged at one end of the fixed rod, connecting rods of which two ends are movably connected and respectively arranged on two adjacent rotating rods, and a first motor which is used for driving the rotating rod on one of the discharge plates to rotate by taking the axis of the fixed rod as the axis; a plurality of discharge ports which are sequentially enlarged from inside to outside are arranged at the upward-overturning end of the discharge plate; the distance between the discharge plates and the inner wall of the furnace body is greater than the linear distance between two adjacent discharge plates, and the distance between the discharge plates and the first pipeline is equal to the distance between the discharge plates and the inner wall of the furnace body; anthracite enters a first pipeline from an anthracite fuel tank, anthracite in the first pipeline enters a discharge plate, finally enters a furnace body from a plurality of discharge ports on the discharge plate, raw materials enter a second injection device from a raw material box and are sprayed into the furnace body from the second injection device, an air supply box starts the furnace body to inject air, the air blows from bottom to top, the raw materials are positioned between the first injection device and a first collecting device for heat exchange, the wind power drives the raw materials after the heat exchange to move upwards, the first collecting device collects the raw materials and the anthracite which have no good heat exchange, the second collecting device collects the raw materials and the anthracite which have no good heat exchange again, the raw materials and the anthracite in the second collecting device enter the first collecting device, the raw materials and the anthracite in the first collecting device return to the space between the first collecting device and the first injection device for heat exchange and anthracite combustion again, the quality of the raw material with complete anthracite and good heat exchange can be lightened, the raw material with good heat exchange and the anthracite with complete combustion are discharged from the upper end of the furnace body, the rotating rods are driven to rotate in a reciprocating mode within a certain angle through the first motor, the connecting rods are connected with the two adjacent rotating rods through the connecting rods, and therefore the rotating rods are pulled to rotate in a reciprocating mode together, the rotating rods are fixedly arranged on the fixing rods, the fixing rods are driven to rotate in a reciprocating mode, the fixing rods are fixedly arranged on the discharging plate, and accordingly the discharging plate is driven to rotate in a reciprocating mode. The invention drives the rotating rods to rotate in a reciprocating way within a certain angle through the first motor, and then is connected with two adjacent rotating rods through the connecting rod, so as to pull a plurality of rotating rods to rotate in a reciprocating way, the rotating rods are fixedly arranged on the fixing rod, so that the fixing rod rotates in a reciprocating way, the fixing rod is fixedly arranged on the discharging plate, so that the discharging plate rotates in a reciprocating way, the airflow in the furnace body is increased and reduced for a moment in the reciprocating rotation process of the discharging plate, the raw material and the anthracite are raised and lowered for a moment, so that the heat exchange time of the raw material is prolonged, the raising distance is larger than the lowering distance, so that the anthracite and the raw material can be discharged out of the furnace body finally, the flowing wind energy can form the wind power of a vortex through the arrangement of the turnable discharging plate, a better stirring effect is achieved on the raw material and the anthracite, the flowing distance of the wind power is increased, namely the heat exchange, thereby enabling the fuel to be completely combusted in the decomposing furnace and strengthening the effective heat exchange of the raw meal in the decomposing furnace; after the discharge plates are overturned to be horizontal, gaps are reserved between every two adjacent discharge plates, so that the descending speed of raw materials and anthracite is slowed down, the distance between the discharge plates and the inner wall of the furnace body is larger than the linear distance between every two adjacent discharge plates, the distance between the discharge plates and the first pipeline is equal to the distance between the discharge plates and the inner wall of the furnace body, wind power can be blown out from the inner wall and the center of the furnace body and is larger than wind between the discharge plates and the discharge plates, the raw materials and the anthracite can move to the discharge plates directly upwards, the raw materials and the anthracite can be reduced and attached to the inner wall of the furnace body and a second injection device, and the gaps between the discharge plates and the discharge plates are minimized after the discharge plates are overturned to be horizontal, so that the speed of the wind power in the gaps is increased, the anthracite can rapidly float to the upper parts of the discharge; through a plurality of discharge gates on the play flitch outside grow in proper order by the lining again, make the anthracite in the first pipeline get into the play flitch in and spout from the discharge gate on the play flitch again, make the more even of anthracite injection, improved the abundant burning of anthracite.

The second injection device comprises a second pipeline, a hollow disc, a plurality of nozzles, a plurality of fixed plates, a plurality of arc-shaped grooves and a plurality of guide blocks, wherein the second pipeline penetrates through the first pipeline and is arranged on the raw material box in a rotating mode, the hollow disc is arranged at the upper end of the second pipeline, the nozzles are distributed on the hollow disc in an annular mode at equal intervals and are arranged in an inclined mode, the fixed plates are fixedly distributed on the hollow disc in an annular mode at equal intervals, the arc-shaped grooves are distributed on the hollow disc in an annular mode at equal intervals, the guide blocks are distributed in; the hollow disc is driven to rotate by the rotation of the second pipeline, so that the nozzles and the fixed plate on the hollow disc rotate, raw materials are sprayed out of the nozzles, the sprayed raw materials are firstly sprayed to the fixed plate, the raw materials are diffused outwards by the refraction of the fixed plate, the diffusion range is improved, the raw materials can rotate when impacting the fixed plate and refracting again, and therefore the raw materials can exchange heat more comprehensively, the heat exchange effect is improved, the raw materials are centrifuged during the rotation of the hollow disc through the guide blocks arranged in the hollow disc, the raw materials can be concentrated at the nozzles, and the raw materials can be discharged from the nozzles quickly; the hollow disc rotates to drive the nozzle to revolve, so that the diffusion range of the raw materials is more convenient for heat exchange.

The first collecting device comprises a first conical air deflector, a first circular plate, a second conical air deflector, a first blanking port, a first discharging component and a first triangular fixing ring, wherein the first circular plate is fixedly arranged on the first conical air deflector in parallel with the inner wall of the furnace body; the setting up through first toper aviation baffle makes the raw meal of dispersion and anthracite can be close to each other and follow the quick pass through in clearance between first circular slab and the furnace body inner wall, be close to the in-process and make anthracite can with the abundant contact of raw meal, the heat transfer of raw meal has been improved once more, the solid fixed ring's of rethread second toper aviation baffle and first triangle setting up makes raw meal and anthracite can be close to in the middle of the second toper aviation baffle, it is greater than the raw meal displacement that complete combustion and heat transfer are not good to not reach the raw meal displacement that complete combustion and heat transfer are not good, move the in-process wind power and diminish more and more, thereby make the incomplete anthracite of burning and the not good raw meal of heat transfer drop.

The first discharging assembly comprises a first sealing plate fixedly arranged in the first blanking port, a second sealing plate positioned below the first sealing plate, a first discharging port arranged on the first sealing plate, a second discharging port arranged on the second sealing plate, a first rotating plate arranged between the first sealing plate and the second sealing plate, a first through groove arranged on the first rotating plate, a rotating shaft fixedly arranged on the first rotating plate and penetrating through the first sealing plate, a second motor used for driving the rotating shaft to rotate, and a first fixing block sleeved on the rotating shaft and fixedly arranged on the inner wall of the first circular plate; the second motor drives the rotating shaft to rotate, so that the first rotating plate rotates, and meanwhile, the first wall scraping plate rotates, the first wall scraping plate scrapes the first conical air deflector to prevent raw materials and anthracite from crusting, raw materials and anthracite on the first conical air deflector can fall into the first blanking port, the first discharge port is overlapped with the first through groove in the rotating process of the rotating shaft driving the first rotating plate, so that the raw materials and the anthracite enter the first through groove, the raw materials and the anthracite on the first sealing plate can be pushed into the first discharge port by the first wall scraping plate simultaneously, after the first through groove is overlapped with the second discharge port, the raw materials and the anthracite in the first through groove fall down and fall onto the hollow disc, and then a plurality of arc-shaped grooves are formed in the hollow disc through rotation, and the raw materials and the anthracite in the arc-shaped grooves can be quickly thrown out and spread to the periphery by the rotating hollow disc; through the arrangement of the first sealing plate, the second sealing plate and the first rotating plate, the materials can be discharged, and meanwhile, the air is prevented from entering the first storage cavity from the first blanking port, so that the collection difficulty is avoided.

The second collecting device comprises a third conical air deflector, a second circular plate, a fourth conical air deflector, a second discharging port, a second discharging component, a second triangular fixing ring and a fifth conical air deflector, wherein the second circular plate is fixedly arranged on the third conical air deflector in parallel with the inner wall of the furnace body; the effect of the second collecting device is the same as that of the first collecting device, and the raw material with poor heat exchange and the anthracite which is not completely combusted are collected again, so that the anthracite and the raw material which are discharged out of the furnace body are the anthracite which is completely combusted and the raw material with good heat exchange.

The second discharging assembly comprises a third sealing plate fixedly arranged in the second discharging opening, a fourth sealing plate positioned below the third sealing plate, a third discharging opening arranged on the third sealing plate, a fourth discharging opening arranged on the fourth sealing plate, a second rotating plate arranged between the third sealing plate and the fourth sealing plate, a second through groove arranged on the second rotating plate, and a second fixing block sleeved on the rotating shaft and fixedly arranged on the inner wall of the second circular plate; the effect of the second discharging component is the same as that of the first discharging component, so that raw materials and anthracite in the second collecting device fall into the first collecting device to form a plurality of circulations.

The invention has the following advantages: the arrangement of the turnable discharging plate enables flowing wind energy to form vortex wind power, so that the raw material and anthracite are stirred well, the flowing distance of the wind power is increased, namely the raw material heat exchange time and the anthracite combustion time are increased again, the fuel can be completely combusted in the decomposing furnace, and the effective heat exchange of the raw material in the decomposing furnace is enhanced; after the discharge plates are overturned to be horizontal, gaps are reserved between every two adjacent discharge plates, so that the descending speed of raw materials and anthracite is slowed down, the distance between the discharge plates and the inner wall of the furnace body is larger than the linear distance between every two adjacent discharge plates, the distance between the discharge plates and the first pipeline is equal to the distance between the discharge plates and the inner wall of the furnace body, wind power can be blown out from the inner wall and the center of the furnace body and is larger than wind between the discharge plates and the discharge plates, the raw materials and the anthracite can move to the discharge plates directly upwards, the raw materials and the anthracite can be reduced and attached to the inner wall of the furnace body and a second injection device, and the gaps between the discharge plates and the discharge plates are minimized after the discharge plates are overturned to be horizontal, so that the speed of the wind power in the gaps is increased, the anthracite can rapidly float to the upper parts of the discharge; through a plurality of discharge gates on the play flitch outside grow in proper order by the lining again, make the anthracite in the first pipeline get into the play flitch in and spout from the discharge gate on the play flitch again, make the more even of anthracite injection, improved the abundant burning of anthracite.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged view of fig. 3 at D.

Fig. 5 is a sectional view taken along line B-B of fig. 3.

Fig. 6 is an enlarged view of a portion a in fig. 5.

Fig. 7 is a sectional view taken along line C-C of fig. 3.

Fig. 8 is an enlarged view of fig. 7 at C.

Fig. 9 is a cross-sectional view taken along line D-D of fig. 3.

Fig. 10 is an enlarged view of fig. 9 at B.

Fig. 11 is a schematic sectional view of line a-a in fig. 2.

Fig. 12 is an enlarged view of fig. 11 at E.

Fig. 13 is an enlarged view of fig. 11 at F.

Detailed Description

In order to make the technical solutions of the present invention better understood, 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.

As shown in figures 1-13, a decomposing furnace comprises a furnace body 1, a wind supply box 2, an anthracite fuel box 3, a raw meal box 4, a first injection device 5 communicated with the anthracite fuel box and used for injecting anthracite, a second injection device 6 communicated with the raw meal box and used for injecting raw meal, a first collection device 7 positioned above the second injection device and used for collecting raw meal which is not completely decomposed, and a second collection device 8 positioned above the first collection device and used for collecting raw meal which is not completely decomposed, wherein the first injection device 5 comprises a first pipeline 51 arranged on the anthracite fuel box, a plurality of fan-blade-shaped discharge plates 52 which are equidistantly and annularly distributed and rotatably arranged at the upper end of the first pipeline, a fixed rod 53 which penetrates through the furnace body and is fixedly arranged on the discharge plates, a rotating rod 54 fixedly arranged at one end of the fixed rod, and a connecting rod 55, two ends of which are movably connected and respectively arranged on two adjacent rotating rods, A first motor 56 for driving one of the upper rotating rods of the discharging plate to rotate by taking the axis of the fixed rod as the axis; a plurality of discharge holes 57 which are sequentially enlarged from inside to outside are formed in one end, turned upwards, of the discharge plate 52; the distance between the discharge plates and the inner wall of the furnace body is greater than the linear distance between two adjacent discharge plates, and the distance between the discharge plates and the first pipeline is equal to the distance between the discharge plates and the inner wall of the furnace body; the rotating rods are driven to rotate in a reciprocating mode within a certain angle by the first motor, and then the rotating rods are connected with two adjacent rotating rods by the connecting rods, so that the rotating rods are pulled to rotate in a reciprocating mode together, the rotating rods are fixedly arranged on the fixing rods, the fixing rods are fixedly arranged on the discharging plate, the reciprocating rotation of the discharging plate is realized, the air flow in the furnace body is enlarged and reduced for a moment in the reciprocating rotation process of the discharging plate, raw materials and anthracite coal rise and fall for a moment, the heat exchange time of the raw materials is prolonged, the rising distance is larger than the falling distance, the anthracite coal and the raw materials can be discharged out of the furnace body finally, the flowing wind energy can form vortex wind power through the arrangement of the reversible discharging plate, a good stirring effect is achieved on the raw materials and the anthracite coal, the wind flowing distance is increased, namely the heat exchange time of the raw materials and the smokeless combustion time of the raw materials are increased again, thereby enabling the fuel to be completely combusted in the decomposing furnace and strengthening the effective heat exchange of the raw meal in the decomposing furnace; after the discharge plates are overturned to be horizontal, gaps are reserved between every two adjacent discharge plates, so that the descending speed of raw materials and anthracite is slowed down, the distance between the discharge plates and the inner wall of the furnace body is larger than the linear distance between every two adjacent discharge plates, the distance between the discharge plates and the first pipeline is equal to the distance between the discharge plates and the inner wall of the furnace body, wind power can be blown out from the inner wall and the center of the furnace body and is larger than wind between the discharge plates and the discharge plates, the raw materials and the anthracite can move to the discharge plates directly upwards, the raw materials and the anthracite can be reduced and attached to the inner wall of the furnace body and a second injection device, and the gaps between the discharge plates and the discharge plates are minimized after the discharge plates are overturned to be horizontal, so that the speed of the wind power in the gaps is increased, the anthracite can rapidly float to the upper parts of the discharge; through a plurality of discharge gates on the play flitch outside grow in proper order by the lining again, make the anthracite in the first pipeline get into the play flitch in and spout from the discharge gate on the play flitch again, make the more even of anthracite injection, improved the abundant burning of anthracite.

The second spraying device 6 comprises a second pipeline 61 which penetrates through the first pipeline and is arranged on the raw material box in a rotating mode, a hollow disc 62 arranged at the upper end of the second pipeline, a plurality of nozzles 63 which are distributed on the hollow disc in an annular mode at equal intervals and are arranged in an inclined mode, a plurality of fixing plates 64 which are distributed on the hollow disc in an annular mode at equal intervals and are fixedly arranged on the hollow disc, a plurality of arc-shaped grooves 65 which are distributed on the hollow disc in an annular mode at equal intervals and a plurality of guide blocks 66 which are distributed in the hollow disc in an annular mode at equal intervals and are arranged in the; the hollow disc is driven to rotate by the rotation of the second pipeline, so that the nozzles and the fixed plate on the hollow disc rotate, raw materials are sprayed out of the nozzles, the sprayed raw materials are firstly sprayed to the fixed plate, the raw materials are diffused outwards by the refraction of the fixed plate, the diffusion range is improved, the raw materials can rotate when impacting the fixed plate and refracting again, and therefore the raw materials can exchange heat more comprehensively, the heat exchange effect is improved, the raw materials are centrifuged during the rotation of the hollow disc through the guide blocks arranged in the hollow disc, the raw materials can be concentrated at the nozzles, and the raw materials can be discharged from the nozzles quickly; the hollow disc rotates to drive the nozzle to revolve, so that the diffusion range of the raw materials is more convenient for heat exchange.

The first collecting device 7 comprises a first conical air deflector 71, a first circular plate 72 which is parallel to the inner wall of the furnace body and fixedly arranged on the first conical air deflector, a second conical air deflector 73 fixedly arranged on the first circular plate, a first blanking port 74 arranged at the lower end of the first conical air deflector, a first discharging component 75 which is positioned in the first blanking port and used for discharging incompletely decomposed raw materials, and a first triangular fixing ring 76 fixedly arranged on the inner wall of the furnace body, wherein the first conical air deflector, the first circular plate and the second conical air deflector are enclosed to form a first storage cavity 77, and a first scraping plate 78 is arranged in the first storage cavity; the first discharging assembly 75 comprises a first sealing plate 751 fixedly arranged in the first blanking port, a second sealing plate 752 arranged below the first sealing plate, a first discharging port 753 arranged on the first sealing plate, a second discharging port 754 arranged on the second sealing plate, a first rotating plate 755 arranged between the first sealing plate and the second sealing plate, a first through groove 756 arranged on the first rotating plate, a rotating shaft 757 fixedly arranged on the first rotating plate through the first sealing plate, a second motor 758 used for driving the rotating shaft to rotate, and a first fixing block 759 sleeved on the rotating shaft and fixedly arranged on the inner wall of the first circular plate; the setting up through first toper aviation baffle makes the raw meal of dispersion and anthracite can be close to each other and follow the quick pass through in clearance between first circular slab and the furnace body inner wall, be close to the in-process and make anthracite can with the abundant contact of raw meal, the heat transfer of raw meal has been improved once more, the solid fixed ring's of rethread second toper aviation baffle and first triangle setting up makes raw meal and anthracite can be close to in the middle of the second toper aviation baffle, it is greater than the raw meal displacement that complete combustion and heat transfer are not good to not reach the raw meal displacement that complete combustion and heat transfer are not good, move the in-process wind power and diminish more and more, thereby make the incomplete anthracite of burning and the not good raw meal of heat transfer drop. The second motor drives the rotating shaft to rotate, so that the first rotating plate rotates, and meanwhile, the first wall scraping plate rotates, the first wall scraping plate scrapes the first conical air deflector to prevent raw materials and anthracite from crusting, raw materials and anthracite on the first conical air deflector can fall into the first blanking port, the first discharge port is overlapped with the first through groove in the rotating process of the rotating shaft driving the first rotating plate, so that the raw materials and the anthracite enter the first through groove, the raw materials and the anthracite on the first sealing plate can be pushed into the first discharge port by the first wall scraping plate simultaneously, after the first through groove is overlapped with the second discharge port, the raw materials and the anthracite in the first through groove fall down and fall onto the hollow disc, and then a plurality of arc-shaped grooves are formed in the hollow disc through rotation, and the raw materials and the anthracite in the arc-shaped grooves can be quickly thrown out and spread to the periphery by the rotating hollow disc; through the arrangement of the first sealing plate, the second sealing plate and the first rotating plate, the materials can be discharged, and meanwhile, the air is prevented from entering the first storage cavity from the first blanking port, so that the collection difficulty is avoided.

The second collecting device 8 comprises a third conical air deflector 81, a second circular plate 82 which is parallel to the inner wall of the furnace body and fixedly arranged on the third conical air deflector, a fourth conical air deflector 83 which is fixedly arranged on the second circular plate, a second blanking port 84 arranged at the lower end of the third conical air deflector, a second discharging component 85 which is positioned in the second blanking port and used for discharging incompletely decomposed raw materials, a second triangular fixing ring 86 which is fixedly arranged on the inner wall of the furnace body, and a fifth conical air deflector 87 which is arranged above the fourth conical air deflector, wherein a second storage cavity 88 is formed by the third conical air deflector, the second circular plate and the fourth conical air deflector in a surrounding manner, and a second scraping plate 89 is arranged in the first storage cavity; the second discharging assembly 85 comprises a third sealing plate 851 fixedly arranged in the second blanking port, a fourth sealing plate 852 arranged below the third sealing plate, a third discharging port 853 arranged on the third sealing plate, a fourth discharging port 854 arranged on the fourth sealing plate, a second rotating plate 855 arranged between the third sealing plate and the fourth sealing plate, a second through groove 856 arranged on the second rotating plate, and a second fixing block 857 sleeved on the rotating shaft and fixedly arranged on the inner wall of the second circular plate; the effect of the second collecting device is the same as that of the first collecting device, and the raw material with poor heat exchange and the anthracite which is not completely combusted are collected again, so that the anthracite and the raw material which are discharged out of the furnace body are the anthracite which is completely combusted and the raw material with good heat exchange. The effect of the second discharging component is the same as that of the first discharging component, so that raw materials and anthracite in the second collecting device fall into the first collecting device to form a plurality of circulations.

The first motor and the second motor are commercially available.

Claims

1. A decomposing furnace is characterized in that: comprises a furnace body (1), an air supply box (2), an anthracite fuel box (3), a raw material box (4), a first injection device (5) which is communicated with the anthracite fuel box and is used for injecting anthracite, a second injection device (6) which is positioned above the first injection device and is communicated with the raw material box and is used for injecting raw material, a first collection device (7) which is positioned above the second injection device and is used for collecting the raw material which is not completely decomposed, and a second collection device (8) which is positioned above the first collection device and is used for collecting the raw material which is not completely decomposed, wherein the first injection device (5) comprises a first pipeline (51) which is arranged on the anthracite fuel box, a plurality of fan-blade-shaped discharge plates (52) which are arranged on the upper end of the first pipeline in an equal-distance annular distribution way, a fixed rod (53) which is fixedly arranged on the discharge plates by the furnace body, a rotating rod (54) which is fixedly arranged, A first motor (56) for driving the rotating rod on one of the discharging plates to rotate by taking the axis of the fixed rod as the axis; a plurality of discharge holes (57) which are sequentially enlarged from inside to outside are formed in one end, turned upwards, of the discharge plate (52); the distance between the discharge plates and the inner wall of the furnace body is greater than the linear distance between two adjacent discharge plates, and the distance between the discharge plates and the first pipeline is equal to the distance between the discharge plates and the inner wall of the furnace body.

2. A decomposition furnace according to claim 1, wherein: second injection apparatus (6) including running through first pipeline and rotate second pipeline (61) of locating on the workbin, locate hollow dish (62) of second pipeline upper end, equidistance annular distribution locate on the hollow dish nozzle (63) that a plurality of slopes set up, equidistance annular distribution are fixed locate a plurality of fixed plates (64) on the hollow dish, equidistance annular distribution locate a plurality of arc walls (65) on the hollow dish, equidistance annular distribution locate a plurality of guide blocks (66) in the hollow dish, nozzle incline direction and hollow dish rotate opposite direction.

3. A decomposition furnace according to claim 1, wherein: the first collecting device (7) comprises a first conical air deflector (71), a first circular plate (72) which is parallel to the inner wall of the furnace body and fixedly arranged on the first conical air deflector, a second conical air deflector (73) which is fixedly arranged on the first circular plate, a first blanking port (74) arranged at the lower end of the first conical air deflector, a first discharging component (75) which is positioned in the first blanking port and used for discharging incompletely decomposed raw materials, and a first triangular fixing ring (76) fixedly arranged on the inner wall of the furnace body, wherein a first storage cavity (77) is formed by enclosing the first conical air deflector, the first circular plate and the second conical air deflector, and a first scraping plate (78) is arranged in the first storage cavity.

4. A decomposition furnace according to claim 3, wherein: first row material subassembly (75) including fixed first closing plate (751) of locating in first blanking mouth, second closing plate (752) that is located first closing plate below, locate first discharge port (753) on the first closing plate, locate second discharge port (754) on the second closing plate, locate first commentaries on classics board (755) between first closing plate and the second closing plate, locate first logical groove (756) on the first commentaries on classics board, run through pivot (757) that first closing plate was fixed to be located on the first commentaries on classics board, be used for driving pivot pivoted second motor (758), overlap in the pivot and fixed first fixed block (759) of locating on first circular plate inner wall.

5. A decomposition furnace according to claim 1, wherein: the second collecting device (8) comprises a third conical air deflector (81), a second circular plate (82) which is parallel to the inner wall of the furnace body and fixedly arranged on the third conical air deflector, a fourth conical air deflector (83) fixedly arranged on the second circular plate, a second blanking port (84) arranged at the lower end of the third conical air deflector, a second discharging component (85) which is positioned in the second blanking port and used for discharging incompletely decomposed raw materials, a second triangular fixing ring (86) fixedly arranged on the inner wall of the furnace body and a fifth conical air deflector (87) arranged above the fourth conical air deflector, wherein a second storage cavity (88) is formed by the third conical air deflector, the second circular plate and the fourth conical air deflector in a surrounding manner, and a second scraping wall plate (89) is arranged in the first storage cavity.

6. A decomposition furnace according to claim 5, wherein: the second discharging assembly (85) comprises a third sealing plate (851) fixedly arranged in a second discharging opening, a fourth sealing plate (852) positioned below the third sealing plate, a third discharging opening (853) arranged on the third sealing plate, a fourth discharging opening (854) arranged on the fourth sealing plate, a second rotating plate (855) arranged between the third sealing plate and the fourth sealing plate, a second through groove (856) arranged on the second rotating plate, and a second fixing block (857) sleeved on the rotating shaft and fixedly arranged on the inner wall of the second circular plate.