CN111692602B

CN111692602B - A equipment for flying dust is handled

Info

Publication number: CN111692602B
Application number: CN202010539939.0A
Authority: CN
Inventors: 陈成广; 范双刚; 龚代高
Original assignee: Zhejiang Eno Environmental Protection Technology Co ltd
Current assignee: Lushun Environmental Protection Technology Yixing Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2022-04-05
Anticipated expiration: 2040-06-15
Also published as: CN111692602A

Abstract

A device for treating fly ash belongs to the technical field of fly ash treatment. The invention comprises a furnace body, a furnace cover, a crucible, a flue gas treatment mechanism and a crucible driving mechanism, wherein the top of the furnace cover is respectively provided with a fly ash feeding port and a flue gas exhaust port, the flue gas exhaust port is connected with the flue gas treatment mechanism, ignition devices are arranged on two sides of the middle part of the furnace body, the top of the crucible is abutted against the inner wall of the furnace body, the crucible driving mechanism is connected with the crucible and drives the crucible to rotate, the bottom of the crucible is provided with a first discharge port, the bottom of the furnace body is provided with a second discharge port, and the end part of the first discharge port is inserted into the second discharge port so as to communicate the first discharge port with the second discharge port. The invention can melt the fly ash and realize the recycling of resources. The invention adopts the design of the crucible driving mechanism, can intermittently rotate the crucible, enables the ignition device to heat and ignite the fly ash in the crucible, shortens the heating time and the burning time of the fly ash, and improves the melting efficiency of the fly ash.

Description

A equipment for flying dust is handled

Technical Field

The invention belongs to the technical field of fly ash treatment, and particularly relates to equipment for fly ash treatment.

Background

Along with the rapid development of Chinese economy, the living standard and the consumption capability of people are continuously improved, and more daily necessities are purchased, so that the daily garbage production per capita is more and more, and the domestic garbage treatment amount is larger and larger. In the process of treating daily domestic garbage of people, garbage incineration power generation and garbage pyrolysis gasification are important technologies for treating garbage, a large amount of fly ash is generated in the garbage incineration and garbage pyrolysis gasification processes, the fly ash contains pollutants such as dioxin and heavy metals with high concentration, and the toxicity of the dioxin and the heavy metals threatens the environment and belongs to dangerous waste.

The fly ash is treated mainly by cement solidification, melt solidification, asphalt solidification, chemical stabilization, acid or other solvent washing methods, and the like. The melting solidification is a new flying ash treatment technology in recent years, compared with cement solidification and other methods, the melting treatment technology has the advantages of complete harmless degree, high product stability, moderate operation cost and obvious decrement, and can convert flying ash into nontoxic and stable slag to be used as building materials such as roadbed and the like.

At present, fly ash is heated to a high temperature of about 1400 ℃ by fuel (coal powder) for melting and solidification, so that the fly ash is melted into a vitreous body, but in the process, fuel is combusted to generate a large amount of flue gas, the flue gas contains unfused fly ash, the fly ash can affect the treatment and purification of the flue gas, and the flue gas needs to be filtered in advance. Meanwhile, it takes a lot of time for the temperature rise and combustion of the fly ash, and the combustion efficiency is low.

Disclosure of Invention

The present invention mainly solves the technical problems existing in the prior art, and provides a device for treating fly ash.

The technical problem of the invention is mainly solved by the following technical scheme: the utility model provides an equipment for flying dust is handled, includes furnace body, bell, crucible, flue gas processing mechanism and crucible actuating mechanism, the bell lid closes the furnace body, the top of bell is equipped with flying dust feed inlet and exhaust port respectively, the exhaust port is connected with flue gas processing mechanism, the both sides at furnace body middle part are equipped with ignition, crucible and crucible actuating mechanism are located the furnace body, the crucible is located ignition's below, just the inner wall of the top butt furnace body of crucible, crucible actuating mechanism is connected with the crucible to the drive crucible rotates, the bottom of crucible is equipped with first discharge gate, the bottom of furnace body is equipped with the second discharge gate, the tip of first discharge gate inserts the second discharge gate, makes first discharge gate and second discharge gate be linked together.

Preferably, the crucible driving mechanism comprises a driving motor, a rotating disc, a rotating wheel, a first rotating shaft, a second rotating shaft, a third rotating shaft, a first gear, a second gear, a first bevel gear, a second bevel gear, a third bevel gear and a fourth bevel gear, wherein two ends of the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively rotatably connected with the inner wall of the furnace body, the rotating wheel and the first bevel gear are arranged on the first rotating shaft, the second bevel gear and the third bevel gear are respectively arranged at two ends of the second rotating shaft, the first gear and the fourth bevel gear are arranged on the third rotating shaft, the second gear is arranged at the bottom end of the crucible, the second gear is sleeved with a first discharge hole, the output end of the driving motor is connected with the rotating disc and drives the rotating wheel to rotate through the rotating disc, the rotating wheel drives the second rotating shaft to rotate through the cooperation of the first bevel gear and the second bevel gear, the second rotating shaft drives the first gear to rotate through the matching of the third bevel gear and the fourth bevel gear, and the first gear enables the crucible to rotate through meshing the second gear.

Preferably, the rotating disc is provided with a cylinder, the rotating wheel is uniformly provided with six radial grooves matched with the cylinder, the cylinder can rotate into the radial grooves on the rotating wheel along with the rotation of the rotating disc and drive the rotating wheel to rotate along the direction opposite to the rotating disc, and after the rotating wheel rotates by 60 degrees, the cylinder rotates out of the radial grooves.

Preferably, the flue gas treatment mechanism comprises a filter box, a stop block, a first conveying channel, a second conveying channel, a first cylinder, a second cylinder, a third cylinder and a push plate, wherein an adsorption net and a brush are arranged in the filter box, the brush is in contact with the adsorption net, the first cylinder is installed on the filter box, the output end of the first cylinder penetrates through the filter box and then is connected with the brush, one end of the first conveying channel is communicated with the filter box, the other end of the first conveying channel is communicated with the second conveying channel, the second cylinder is installed on the outer side wall of the first conveying channel, the output end of the second cylinder is connected with the stop block, the end part of the stop block penetrates through the first conveying channel and extends into the first conveying channel, the end part of the stop block is moved to enable the first conveying channel to be switched on or switched off, one side of the second conveying channel is communicated with the furnace body, the push plate is positioned in the second conveying channel and close to the communication position of the second conveying channel and the furnace body, the third cylinder is positioned on the other side of the second conveying channel, and the output end of the third cylinder is connected with the push plate.

As preferred, first transfer passage includes vertical section and spheroid section, vertical section is linked together with the rose box, spheroid section is linked together with second transfer passage, the centre of sphere department of spheroid section is equipped with the disc of weighing, be equipped with on the lateral wall of spheroid section and turn to the motor, the output that turns to the motor links to each other with the disc of weighing, turn to the motor drive disc of weighing and rotate along spheroid section inside wall, the disc of weighing is connected with weighing sensor.

Preferably, the ignition device comprises an oxygen pipe, a natural gas pipe and an igniter, the oxygen pipe and the natural gas pipe are respectively connected with the furnace body, the outlet of the oxygen pipe and the outlet of the natural gas pipe are both aligned in the crucible, and the igniter is located between the oxygen pipe and the natural gas pipe.

Preferably, the bottom end of the top of the crucible is provided with a convex ring, the inner wall of the furnace body is provided with an annular groove matched with the convex ring, and the convex ring is inserted into the annular groove and is rotatably connected with the annular groove.

The invention has the following beneficial effects: the invention can melt the fly ash and realize the recycling of resources. The invention adopts the design of the crucible driving mechanism, can intermittently rotate the crucible, enables the ignition device to heat and ignite the fly ash in the crucible, shortens the heating time and the burning time of the fly ash, and improves the melting efficiency of the fly ash. The invention can filter the fly ash in the flue gas and realize the recovery of the fly ash by adopting the flue gas treatment mechanism.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a structure of the crucible driving mechanism of the present invention;

FIG. 3 is an enlarged schematic view of section A of FIG. 2;

FIG. 4 is a schematic view of a crucible of the present invention;

FIG. 5 is a schematic view of a second gear of the present invention;

FIG. 6 is a schematic view of a coupling structure of the turntable and the turning wheel according to the present invention;

FIG. 7 is a schematic view of a flue gas treatment means according to the present invention;

fig. 8 is a schematic view of a connection structure of the weighing disk and the sphere segment of the invention.

In the figure: 1. a furnace body; 2. a furnace cover; 3. a crucible; 4. a fly ash feed port; 5. a smoke outlet; 6. a feed valve; 7. a smoke exhaust valve; 8. a first discharge port; 9. a first discharge valve; 10. a second discharge port; 11. a second discharge valve; 12. a convex ring; 13. an annular groove; 14. a drive motor; 15. a turntable; 16. a rotating wheel; 17. a first rotating shaft; 18. a second rotating shaft; 19. a third rotating shaft; 20. a first gear; 21. a second gear; 22. a first bevel gear; 23. a second bevel gear; 24. a third bevel gear; 25. a fourth bevel gear; 26. a cylinder; 27. a radial slot; 28. a heat insulation plate; 29. an oxygen tube; 30. a natural gas pipe; 31. an igniter; 32. a filter box; 33. a stopper; 34. a first transfer channel; 35. a second transfer channel; 36. a first cylinder; 37. a second cylinder; 38. a third cylinder; 39. pushing the plate; 40. an adsorption net; 41. a brush; 42. a baffle; 43. a vertical section; 44. a sphere section; 45. weighing a disc; 46. a rotating shaft; 47. a steering motor; 48. a weighing sensor; 49. and a controller.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example (b): a device for treating fly ash is shown in figures 1-8 and comprises a furnace body 1, a furnace cover 2, a crucible 3, a flue gas treatment mechanism and a crucible driving mechanism, wherein the furnace cover 2 covers the furnace body 1, a fly ash feed inlet 4 and a smoke outlet 5 are respectively arranged at the top of the furnace cover 2, a feed valve 6 is arranged on the fly ash feed inlet 4, a smoke exhaust valve 7 is arranged on the smoke outlet 5, the smoke outlet 5 is connected with the flue gas treatment mechanism, ignition devices are arranged on two sides of the middle part of the furnace body 1, the crucible 3 and the crucible driving mechanism are positioned in the furnace body 1, the crucible 3 is positioned below the ignition devices, the top of the crucible 3 is abutted against the inner wall of the furnace body 1, the crucible driving mechanism is positioned below the crucible 3, the crucible driving mechanism is connected with the crucible 3 and drives the crucible 3 to rotate, a first discharge hole 8 is arranged at the center of the bottom of the crucible 3, the furnace body is characterized in that a first discharge valve 9 is installed on the first discharge hole 8, a second discharge hole 10 is formed in the bottom of the furnace body 1, the first discharge hole 8 is aligned to the second discharge hole 10, the end portion of the first discharge hole 8 is inserted into the second discharge hole 10, the first discharge hole 8 is communicated with the second discharge hole 10, and a second discharge valve 11 is installed on the second discharge hole 10.

In order to facilitate the rotation of the crucible 3, a convex ring 12 is arranged at the bottom end of the top of the crucible 3, an annular groove 13 matched with the convex ring 12 is arranged on the inner wall of the furnace body 1, the convex ring 12 is inserted into the annular groove 13, and the annular groove 13 is connected in a rotating manner.

The crucible driving mechanism comprises a driving motor 14, a turntable 15, a rotating wheel 16, a first rotating shaft 17, a second rotating shaft 18, a third rotating shaft 19, a first gear 20, a second gear 21, a first bevel gear 22, a second bevel gear 23, a third bevel gear 24 and a fourth bevel gear 25, wherein two ends of the first rotating shaft 17, the second rotating shaft 18 and the third rotating shaft 19 are respectively connected with the inner wall of the furnace body 1 in a rotating manner, the rotating wheel 16 and the first bevel gear 22 are arranged on the first rotating shaft 17, the rotating wheel 16 is positioned above the first bevel gear 22, the second bevel gear 23 and the third bevel gear 24 are respectively positioned at two ends of the second rotating shaft 18, the first gear 20 and the fourth bevel gear 25 are arranged on the third rotating shaft 19, the first gear 20 is positioned above the fourth bevel gear 25, the second gear 21 is arranged at the bottom end of the crucible 3, and the first discharge hole 8 is sleeved on the second gear 21, the driving motor 14 is installed on the outer wall of the furnace body 1, the output end of the driving motor 14 passes through the furnace body 1 and then is connected with the rotating disc 15, the rotating disc 15 drives the rotating wheel 16 to rotate, the rotating wheel 16 rotates to drive the first rotating shaft 17 to rotate and drive the first bevel gear 22 to rotate through the first rotating shaft 17, the first bevel gear 22 is meshed with the second bevel gear 23 to enable the second rotating shaft 18 to rotate, the second rotating shaft 18 rotates to drive the third bevel gear 24 to rotate, the third bevel gear 24 is meshed with the fourth bevel gear 25 to enable the third rotating shaft 19 to rotate, the third rotating shaft 19 rotates to drive the first gear 20 to rotate, the first gear 20 is meshed with the second gear 21 to enable the second gear 21 to rotate, and the second gear 21 rotates to drive the crucible 3 to rotate.

The turntable 15 is provided with a cylinder 26, the rotating wheel 16 is uniformly provided with six radial grooves 27 matched with the cylinder 26, the cylinder 26 can rotate into the radial groove 27 on the rotating wheel 16 along with the rotation of the turntable 15, the rotating wheel 16 is driven to rotate along the direction opposite to the direction of the turntable 15, and after the rotating wheel 16 rotates by 60 degrees, the cylinder 26 rotates out of the radial groove 27.

In order to reduce the temperature transferred by the crucible 3 to the second gear 21 and prolong the service life of the second gear 21, a heat insulation plate 28 is arranged between the crucible 3 and the second gear 21, the heat insulation plate 28 is sleeved with the first discharge hole 8, the top end of the heat insulation plate 28 is abutted to the bottom end of the crucible 3, and the bottom end of the heat insulation plate 28 is abutted to the top end of the second gear 21. The inner bottom wall of the crucible 3 is obliquely arranged to play a role of guiding flow, so that the molten fly ash can flow to the first discharge port 8 conveniently and flow from the first discharge port 8 to the second discharge port 10 conveniently.

The ignition device comprises an oxygen pipe 29, a natural gas pipe 30 and an igniter 31, wherein the oxygen pipe 29 and the natural gas pipe 30 are respectively connected with the furnace body 1, the outlet of the oxygen pipe 29 and the outlet of the natural gas pipe 30 are both aligned in the crucible 3, the oxygen pipe 29 is used for transmitting oxygen, the natural gas pipe 30 is used for transmitting natural gas, the igniter 31 is positioned between the oxygen pipe 29 and the natural gas pipe 30 and is used for igniting oxygen and natural gas, and the oxygen and natural gas are combusted to enable fly ash in the crucible 3 to be combusted and melted.

The crucible driving mechanism drives the crucible 3 to intermittently rotate, and the crucible 3 rotates 60 degrees at a time. This is equivalent to dividing the fly ash in the crucible 3 into six zones, and the ignition device can heat up and ignite the fly ash in each zone. In the prior art, because the crucible 3 does not rotate, the ignition device can only carry out independent heating and ignition on the fly ash in a certain area, and then the areas around the area are heated and ignited by utilizing the area and are sequentially transmitted until the whole crucible 3 is ignited. The crucible driving mechanism is matched with the crucible 3, so that the fly ash in the crucible 3 is heated uniformly, the temperature rise time and the combustion time of the fly ash are shortened, and the melting efficiency of the fly ash is improved.

When the fly ash is burned and melted, flue gas is generated, and the flue gas contains fly ash which is not melted. The flue gas treatment mechanism comprises a filter box 32, a stop block 33, a first conveying channel 34, a second conveying channel 35, a first air cylinder 36, a second air cylinder 37, a third air cylinder 38 and a push plate 39, wherein an adsorption net 40 and a brush 41 are arranged in the filter box 32, the brush 41 is in contact with the adsorption net 40, the first air cylinder 36 is arranged at the top end of the filter box 32, the output end of the first air cylinder 36 penetrates through the filter box 32 and then is connected with the brush 41, and an observation window (not shown) is arranged on the filter box 32; one end of the first conveying channel 34 is communicated with the filter box 32, the communication position is close to the adsorption net 40, the other end of the first conveying channel 34 is communicated with the second conveying channel 35, the second cylinder 37 is installed on the outer side wall of the first conveying channel 34, the output end of the second cylinder 37 is connected with the stop block 33, the end of the stop block 33 penetrates through the first conveying channel 34 and extends into the first conveying channel 34, when the second cylinder 37 drives the stop block 33 to be close to the first conveying channel 34, the end of the stop block 33 is abutted against the inner wall of the first conveying channel 34, so that the first conveying channel 34 is closed, and when the second cylinder 37 drives the stop block 33 to be far away from the first conveying channel 34, the end of the stop block 33 is not abutted against the inner wall of the first conveying channel 34, so that the first conveying channel 34 is communicated; one side of the second conveying channel 35 is communicated with the furnace body 1, the push plate 39 is positioned in the second conveying channel 35 and is close to the communication position of the second conveying channel 35 and the furnace body 1, the outer side wall of the push plate 39 is slidably connected with the inner wall of the second conveying channel 35, when the push plate 39 is not used, the push plate 39 is mainly used for preventing flue gas from entering the second conveying channel 35, the third cylinder 38 is positioned on the other side of the second conveying channel 35, the output end of the third cylinder 38 is connected with the push plate 39, and the communication position of the second conveying channel 35 and the furnace body 1 is provided with a guide plate 42 in the furnace body 1.

When the flue gas passes through the filter box 32, the adsorption net 40 filters the flue gas, fly ash in the flue gas is adsorbed on the surface of the adsorption net 40, and the observation window is used for observing the amount of the fly ash adsorbed by the adsorption net 40. When a large amount of fly ash is adsorbed on the surface of the adsorption net 40, the first cylinder 36 drives the brush 41 to move up and down along the surface of the adsorption net 40, the brush 41 performs ash cleaning treatment on the adsorption net 40, and the fly ash on the adsorption net 40 falls into the first conveying channel 34 and is accumulated on the upper surface of the end part of the block 33; the third cylinder 38 drives the push plate 39 to slide, so that the push plate 39 slides to the other side of the second conveying channel 35, then the second cylinder 37 drives the stop 33 to be far away from the first conveying channel 34, so that the end part of the stop 33 is not abutted against the inner wall of the first conveying channel 34, the first conveying channel 34 is conducted, the fly ash is transferred into the second conveying channel 35 from the upper surface of the end part of the stop 33, then the third cylinder 38 drives the push plate 39 to slide, so that the push plate 39 slides to the communication part between the second conveying channel 35 and the furnace body 1, and in the sliding process, the push plate 39 pushes the fly ash, and the fly ash is recovered and transferred into the furnace body 1.

The first transfer passage 34 includes a vertical section 43 and a spherical section 44, the vertical section 43 and the spherical section 44 being in communication with each other, and are connected into a whole, the vertical section 43 is communicated with the filter tank 32, the spherical section 44 is communicated with the second conveying passage 35, a weighing disc 45 is arranged at the center of the sphere section 44, the outer side wall of the weighing disc 45 is abutted against the inner wall of the sphere section 44, the outer side wall of the weighing disk 45 is provided with a rotating shaft 46, the rotating shaft 46 penetrates through the spherical body section 44 and extends out of the spherical body section 44, the outer side wall of the ball body section 44 is provided with a steering motor 47, the output end of the steering motor 47 is connected with a rotating shaft 46, the steering motor 47 drives the weighing disc 45 to rotate along the inner side wall of the sphere section 44, the rotating shaft 46 line of the weighing disc 45 is the rotating shaft 46 line passing through the sphere center of the sphere section 44, and the weighing disc 45 is connected with a weighing sensor 48. The first transfer passage 34 can weigh the recovered fly ash by adopting the above-described design. When the device is used, the first conveying channel 34 is conducted, the fly ash is transferred to the weighing disc 45 from the upper surface of the end part of the stop block 33, the weighing disc 45 weighs the fly ash in real time, when the weight of the fly ash is close to a preset target value, the second air cylinder 37 drives the stop block 33 to be close to the first conveying channel 34, the end part of the stop block 33 is enabled to be abutted against the inner wall of the first conveying channel 34, the first conveying channel 34 is closed, the fly ash cannot be transferred to the weighing disc 45, the weighing disc 45 weighs the weight of the fly ash at the moment and records the weight, then the steering motor 47 drives the weighing disc 45 to rotate upwards by 90-120 degrees, the fly ash is transferred to the second conveying channel 35, and after the transfer is completed, the steering motor 47 drives the weighing disc 45 to rotate reversely, and the weighing disc 45 is reset; the first transfer passage 34 is then turned on again, and the above operation is repeated to recover and transfer all the fly ash into the furnace body 1.

The outer wall of the furnace body 1 is provided with a controller 49, the controller 49 is respectively electrically connected with the driving motor 14, the first cylinder 36, the second cylinder 37, the third cylinder 38, the steering motor 47, the weighing sensor 48, the feeding valve 6, the smoke exhaust valve 7, the first discharging valve 9, the second discharging valve 11 and the igniter 31, the controller 49 can be used for symmetrically setting a target value for the weighing sensor 48 and recording the weight of fly ash monitored by the weighing sensor 48 in real time.

In conclusion, the invention can melt the fly ash and realize the recycling of resources. The invention adopts the design of the crucible driving mechanism, can intermittently rotate the crucible, enables the ignition device to heat and ignite the fly ash in the crucible, shortens the heating time and the burning time of the fly ash, and improves the melting efficiency of the fly ash. The invention can filter the fly ash in the flue gas and realize the recovery of the fly ash by adopting the flue gas treatment mechanism.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.

Claims

1. The equipment for treating the fly ash is characterized by comprising a furnace body, a furnace cover, a crucible, a flue gas treatment mechanism and a crucible driving mechanism, wherein the furnace cover covers the furnace body, the top of the furnace cover is respectively provided with a fly ash feeding hole and a flue gas exhaust hole, the flue gas exhaust hole is connected with the flue gas treatment mechanism, ignition devices are arranged on two sides of the middle part of the furnace body, the crucible and the crucible driving mechanism are positioned in the furnace body, the crucible is positioned below the ignition devices, the top of the crucible is abutted against the inner wall of the furnace body, the crucible driving mechanism is connected with the crucible and drives the crucible to rotate, a first discharging hole is formed in the bottom of the crucible, a second discharging hole is formed in the bottom of the furnace body, and the end part of the first discharging hole is inserted into the second discharging hole so that the first discharging hole is communicated with the second discharging hole;

the flue gas treatment mechanism comprises a filter box, a stop block, a first conveying channel, a second conveying channel, a first air cylinder, a second air cylinder, a third air cylinder and a push plate, wherein an adsorption net and a brush are arranged in the filter box, the brush is in contact with the adsorption net, the first air cylinder is installed on the filter box, the output end of the first air cylinder penetrates through the filter box and then is connected with the brush, one end of the first conveying channel is communicated with the filter box, the other end of the first conveying channel is communicated with the second conveying channel, the second air cylinder is installed on the outer side wall of the first conveying channel, the output end of the second air cylinder is connected with the stop block, the end part of the stop block penetrates through the first conveying channel and extends into the first conveying channel, the end part of the stop block is moved to enable the first conveying channel to be switched on or switched off, and one side of the second conveying channel is communicated with a furnace body, the push plate is positioned in the second conveying channel and close to the communication position of the second conveying channel and the furnace body, the third cylinder is positioned on the other side of the second conveying channel, and the output end of the third cylinder is connected with the push plate.

2. The device for treating fly ash according to claim 1, wherein the crucible driving mechanism comprises a driving motor, a rotating disc, a rotating wheel, a first rotating shaft, a second rotating shaft, a third rotating shaft, a first gear, a second gear, a first bevel gear, a second bevel gear, a third bevel gear and a fourth bevel gear, wherein two ends of the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively connected with the inner wall of the furnace body in a rotating manner, the rotating wheel and the first bevel gear are arranged on the first rotating shaft, the second bevel gear and the third bevel gear are respectively arranged on two ends of the second rotating shaft, the first gear and the fourth bevel gear are arranged on the third rotating shaft, the second gear is arranged at the bottom end of the crucible, the second gear is sleeved with the first discharging port, the output end of the driving motor is connected with the rotating disc and drives the rotating wheel to rotate by the rotating disc, the rotating wheel drives the second rotating shaft to rotate by matching of the first bevel gear and the second bevel gear, the second rotating shaft drives the first gear to rotate through the matching of the third bevel gear and the fourth bevel gear, and the first gear enables the crucible to rotate through meshing the second gear.

3. The apparatus of claim 2, wherein the rotating disc is provided with six cylinders, the rotating wheel is provided with six radial grooves matching with the cylinders, the cylinders can rotate into the radial grooves on the rotating wheel along with the rotation of the rotating disc and drive the rotating wheel to rotate in the opposite direction to the rotating disc, and after the rotating wheel rotates 60 degrees, the cylinders rotate out of the radial grooves.

4. The apparatus of claim 1, wherein the first conveying channel comprises a vertical section and a spherical section, the vertical section is communicated with the filtering box, the spherical section is communicated with the second conveying channel, a weighing disc is arranged at the center of the sphere of the spherical section, a steering motor is arranged on the outer side wall of the spherical section, the output end of the steering motor is connected with the weighing disc, the steering motor drives the weighing disc to rotate along the inner side wall of the spherical section, and the weighing disc is connected with a weighing sensor.

5. The apparatus according to claim 1, wherein the ignition device comprises an oxygen pipe, a natural gas pipe and an igniter, the oxygen pipe and the natural gas pipe are respectively connected with the furnace body, an outlet of the oxygen pipe and an outlet of the natural gas pipe are both aligned in the crucible, and the igniter is located between the oxygen pipe and the natural gas pipe.

6. The fly ash treatment equipment according to claim 1, wherein the bottom end of the top of the crucible is provided with a convex ring, the inner wall of the furnace body is provided with an annular groove matched with the convex ring, and the convex ring is inserted into the annular groove and is rotatably connected with the annular groove.