CN111288459B

CN111288459B - Smokeless incineration device for solid waste combustion

Info

Publication number: CN111288459B
Application number: CN202010295623.1A
Authority: CN
Inventors: 李镐玉; 刘小明
Original assignee: Dongguan Tongyiheng Metal Products Co Ltd
Current assignee: Dongguan tongyiheng metal products Co., Ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-11-06
Anticipated expiration: 2040-04-15
Also published as: CN111288459A

Abstract

The invention discloses a smokeless incineration device for solid waste combustion, which relates to the technical field of waste treatment and comprises an incineration chamber and a hearth, and is characterized in that the hearth is divided into a first hearth, a third hearth and a second hearth, an inner cavity is formed between the hearth and the incineration chamber, the interiors of the first hearth, the third hearth and the second hearth are divided into an incineration cavity and an ash collection cavity from top to bottom, a central air rod is arranged at the center of the interior of the third hearth, and the incineration device further comprises a feeding mechanism, a flip mechanism, a smoke treatment mechanism and a combustion-supporting mechanism. The invention makes the garbage fully spread in the hearth, increases the burning area, and carries out secondary burning on the smoke, so that the burning of solid particles in the smoke is more thorough, the high-temperature smoke after burning enters the inner cavity, the heat preservation effect on the hearth can be realized, the heat loss is prevented, and meanwhile, the discharged smoke is harmless through the multi-stage purification of the smoke treatment mechanism, so that the aim of smokeless burning is further fulfilled.

Description

Smokeless incineration device for solid waste combustion

Technical Field

The invention relates to the technical field of garbage treatment, in particular to a smokeless incineration device for solid waste combustion.

Background

The garbage is solid waste generated in daily life and production of human beings, has large discharge amount, complex and various components, pollution, resource and socialization, needs harmless, resource, reduction and socialization treatment, and can pollute the environment, influence the environmental sanitation, waste resources, destroy the safety of production and life and destroy the social harmony if the garbage cannot be properly treated. The garbage disposal is to rapidly remove the garbage, perform harmless treatment and finally reasonably utilize the garbage. The garbage disposal methods widely used today are sanitary landfills, high temperature composting and incineration. Therefore, the incineration technology becomes a garbage treatment mode which is generally adopted in China at present, the purpose of garbage treatment is harmlessness, resource utilization and reduction, and the invention is a harmless garbage treatment device.

But in the waste incineration process of most at present market, because burn thoroughly inadequately, can have a large amount of solid particles in the high temperature flue gas of production, the harmful substance that produces moreover can directly discharge to the atmosphere, causes serious influence to the environment to current burning furnace is burning the in-process, and the temperature control of burning is perfect inadequately, and causes the loss of heat easily, thereby produces the influence to the effect of burning of rubbish. Accordingly, those skilled in the art have provided a smokeless incineration apparatus for solid waste combustion to solve the problems set forth in the above background art.

Disclosure of Invention

The present invention has been made in an effort to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a smokeless incineration apparatus for solid waste combustion.

In order to achieve the purpose, the invention provides the following technical scheme: a smokeless incineration device for solid waste combustion comprises an incineration chamber and a hearth located inside the incineration chamber, wherein the hearth is divided into a first hearth, a third hearth and a second hearth, an inner cavity is formed between the hearth and the incineration chamber, the interiors of the first hearth, the third hearth and the second hearth are divided into an incineration chamber and an ash collection chamber from top to bottom, a central air rod is installed at the center of the interior of the third hearth, and the incineration device further comprises a feeding mechanism, a flip mechanism, a smoke treatment mechanism and a combustion-supporting mechanism;

the feeding mechanism comprises a vertical rod and a bearing plate, the vertical rod is correspondingly arranged at the rear end of the incineration chamber, the bearing plate is arranged on the outer side of the vertical rod, a hopper is arranged on the inner side of the upper end of the vertical rod, and the lower end of the hopper is connected with a discharging groove;

the cover turning mechanism comprises furnace covers positioned at the upper ends of the first furnace and the second furnace, one end of each furnace cover is connected with a connecting rod, one end of each connecting rod is positioned on the upper surface of the incineration chamber and is provided with a shaft fork, a shaft pin penetrates through the inner side of the shaft fork, and one end of each connecting rod is connected with an electric push rod;

the smoke treatment mechanism comprises a primary cyclone dust collector positioned on one side surface of the incineration chamber, and a secondary cyclone dust collector is arranged on one side of the primary cyclone dust collector;

the combustion-supporting mechanism comprises a storage cabinet positioned on the other side of the incineration chamber and a plurality of combustion-supporting oil nozzles arranged at the lower ends of the first hearth, the third hearth and the second hearth in a surrounding mode, and each combustion-supporting oil nozzle is inclined upwards at an angle of 60 degrees.

As a further scheme of the invention: the front surface of the incineration chamber is provided with three inspection doors corresponding to the bottoms of the incineration chambers of the first hearth, the third hearth and the second hearth, a slag discharging door is arranged at the position corresponding to the ash collecting chamber under each inspection door, igniters are arranged at the positions corresponding to the inspection doors in the first hearth, the third hearth and the second hearth, lower grilles are arranged between the incineration chambers and the ash collecting chamber in the first hearth and the second hearth, upper grilles are arranged on the upper surfaces of the lower grilles, a first air bar and a second air bar penetrate through the middle parts of the upper grilles in the first hearth and the second hearth, lower ends of the first air bar, the second air bar and the central air bar are communicated with a combustion fan through pipelines, one end of the first air bar and one end of the second air bar penetrate through the bottoms of the first hearth and the second hearth and extend to the lower part of the upper grilles respectively, the lower ends of the central air rod, the first air rod and the second air rod are positioned in the ash collecting cavity and are provided with fixing frames, the upper grating is of a quartering conical structure, and grating holes are formed in the surfaces of the upper grating and the lower grating.

As a still further scheme of the invention: the lower extreme both sides wall of third furnace corresponds the grid department of going up of first furnace and the inside of second furnace respectively and is provided with first connecting pipe and second connecting pipe, the one end of first connecting pipe runs through the inboard that first furnace extends to the grid, and the other end of first connecting pipe runs through third furnace and extends to its inside bottom, first furnace and the inside first connecting pipe through-connection that passes through of the lower extreme of third furnace, the one end of second connecting pipe runs through the inboard that second furnace extends to its inside grid of going up, and the other end of second connecting pipe runs through another side of third furnace and extends to its inside, second furnace and the inside second connecting pipe through-connection that passes through of the lower extreme of third furnace.

As a still further scheme of the invention: the upper end rear side through connection of first furnace and second furnace has the U-shaped pipe, the one end of U-shaped pipe is linked together with the inside upper end of first furnace, and the other end of U-shaped pipe is linked together with the inside upper end of second furnace, the middle part lower extreme intercommunication of U-shaped pipe has communicating pipe, the one end of communicating pipe runs through the inside that third furnace trailing flank bottom extended to third furnace, the fire door has been seted up to third furnace's upper surface, a plurality of wind ring, per two have all been seted up to the surface of center wind stick, first wind stick and second wind stick interval between the wind ring equals, and every a plurality of wind holes have all been seted up on the surface of wind ring.

As a still further scheme of the invention: the one end of pivot runs through shaft fork and connecting rod, rotate through the pivot between connecting rod and the shaft fork and be connected, and the both ends of connecting rod all are provided with the pivot, the one end of connecting rod rotates with the upper surface middle part of bell and is connected, and the other end of connecting rod rotates with electric putter's one end and is connected, electric putter's the other end and the front surface fixed connection of burning chamber.

As a still further scheme of the invention: flue gas treatment mechanism still includes the intake pipe that is located one-level cyclone upper end one side, one-level cyclone's upper end is provided with the transition pipe, second grade cyclone's upper end is provided with the blast pipe, second grade cyclone and one-level cyclone's inside upper end all is provided with drenches the dish, and one side correspondence of second grade cyclone and one-level cyclone drenches dish department and all is connected with the inlet tube, second grade cyclone and one-level cyclone's bottom all is provided with the outlet, one side of incineration chamber is located second grade cyclone and one-level cyclone and is provided with the water tank under.

As a still further scheme of the invention: the one end of inlet tube runs through second grade cyclone and one-level cyclone respectively rather than inside drench and spouts the dish and be linked together, it spouts the dish to drench and be hollow structure, and drench the lower surface of spouting the dish and equally divide cloth and have a plurality of to drench the orifice, the upper end of one-level cyclone is linked together through transition pipe and second grade cyclone, the one end and the one-level cyclone of intake pipe link to each other, and the other end of intake pipe is linked together with the inside bottom of inner chamber.

As a still further scheme of the invention: the feeding mechanism further comprises pulleys correspondingly arranged on two sides of the bearing plate and a driving motor arranged on one side of the lower end of the vertical rod, one end of the driving motor is connected with a main shaft rod, a main rotating roller is sleeved in the middle of the outer surface of the main shaft rod, a traction rope is wound on the outer surface of the main rotating roller, an auxiliary shaft rod is arranged at the upper end of the vertical rod and corresponds to the main shaft rod, an auxiliary rotating roller is arranged at the middle of the surface of the auxiliary shaft rod and corresponds to the main rotating roller, a sliding rail is arranged on the inner side surface of the vertical rod and corresponds to the pulleys, the bearing plate and the vertical rod are connected in a sliding mode through the pulleys and the sliding rail, one end of the traction rope is fixedly wound on the surface of the main rotating roller, the other end of the traction rope surrounds the upper surface of the auxiliary rotating roller and is fixedly connected with the bearing plate, the discharging groove is of a Y-shaped structure, one end of the discharging groove is rotatably connected with the bottom end of the hopper, and the Y end of the discharging groove corresponds to the upper ports of the first hearth and the second hearth respectively.

As a still further scheme of the invention: the combustion-supporting mechanism is still including being located the inside oil tank that sets up of storage cabinet, the upper end of oil tank is provided with the oiling mouth, one side that the inside of storing the cabinet is located the oil tank is provided with the oil pump, the input of oil pump is linked together through the bottom of oil pipe with the oil tank, and the output of oil pump is linked together with the combustion-supporting fuel sprayer of a plurality of respectively through oil pipe, and every the combustion-supporting fuel sprayer all is provided with the fuel tap with the oil pipe junction, the upper end of storing the cabinet still is provided with the switch board.

As a still further scheme of the invention: a feeding table is arranged between the rear side of the incineration chamber and the feeding mechanism, and a crawling ladder is arranged on one side of the feeding table close to the storage cabinet.

Compared with the prior art, the invention has the beneficial effects that: the invention relates to a smokeless incineration device for solid waste combustion, which adopts the matching of a first hearth and a second hearth during actual operation, fully incinerates the waste firstly, adopts the design of a conical grid to fully spread the waste, increases the incineration area and improves the incineration efficiency, smoke generated by incineration enters a third hearth to be subjected to secondary incineration treatment, and a central air bar is matched with the action of a combustion fan to form a multilayer air curtain from the right lower part to the upper part in the third hearth, so that the secondary incineration of the smoke is more thorough, and the high-temperature smoke after the incineration is discharged into an inner cavity through a furnace mouth to play a role in heat preservation on the hearth, and further, the smoke after the secondary incineration is discharged into a smoke treatment mechanism through an air inlet pipe and is subjected to secondary purification treatment to make the discharged smoke harmless, the full-automatic operation not only has high incineration efficiency on the solid waste, but also carries out secondary incineration on the smoke dust generated during incineration, and simultaneously has double-stage purification effect, so that the discharged smoke is nonhazardous, and the aim of smokeless incineration is further fulfilled.

Drawings

FIG. 1 is a schematic view showing the construction of a smokeless incineration apparatus for the combustion of solid wastes;

FIG. 2 is a schematic view showing the internal structure of an incineration chamber in a smokeless incineration apparatus for solid waste combustion;

FIG. 3 is a schematic view showing the arrangement of hearths in a smokeless incineration apparatus for solid waste combustion;

FIG. 4 is a schematic structural view of a first furnace of a smokeless incineration apparatus for solid waste combustion;

FIG. 5 is a schematic view showing the construction of a third furnace of a smokeless incineration apparatus for solid waste combustion;

FIG. 6 is a top view of a third furnace in a smokeless incineration device for solid waste combustion;

FIG. 7 is a schematic view showing the construction of a flap mechanism in a smokeless incineration apparatus for solid waste combustion;

FIG. 8 is a schematic view showing the construction of a flue gas treatment mechanism in a smokeless incineration apparatus for solid waste combustion;

FIG. 9 is a schematic view showing the construction of a charging mechanism in a smokeless incineration apparatus for solid waste combustion;

fig. 10 is a rear view of a smokeless incineration apparatus for solid waste combustion.

In the figure: 1. an incineration chamber; 2. an electric push rod; 3. a water tank; 4. a hopper; 5. a slag outlet door; 6. an inspection door; 7. a control cabinet; 8. a storage cabinet; 9. an inner cavity; 10. a first hearth; 11. a third hearth; 12. a second hearth; 13. a central air rod; 14. a combustion-supporting oil nozzle; 15. a lower grid; 16. an upper grid; 17. an igniter; 18. a first air bar; 19. a combustion fan; 20. a second air bar; 21. an oil pump; 22. an oil tank; 23. a furnace cover; 24. a U-shaped tube; 25. a first connecting pipe; 26. a second connecting pipe; 111. a furnace mouth; 112. a wind ring; 113. a communicating pipe; 201. a shaft pin; 202. a shaft yoke; 203. a connecting rod; 31. a water inlet pipe; 32. a secondary cyclone dust collector; 33. spraying a plate; 34. an exhaust pipe; 35. a transition duct; 36. an air inlet pipe; 37. a primary cyclone dust collector; 38. a water outlet; 41. a discharging groove; 42. a drive motor; 43. a main roller; 44. a main shaft rod; 45. a pulley; 46. a hauling rope; 47. a carrier plate; 48. erecting a rod; 49. a secondary rotating roller; 410. a secondary shaft.

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.

Referring to fig. 1 to 10, in an embodiment of the present invention, a smokeless incineration device for burning solid waste includes an incineration chamber 1, a furnace located inside the incineration chamber 1, a feeding mechanism, a lid-turning mechanism, a flue gas treatment mechanism, and a combustion supporting mechanism; the hearth is divided into a first hearth 10, a third hearth 11 and a second hearth 12, an inner cavity 9 is formed between the hearth and the incineration chamber 1, the first hearth 10, the inside of the third hearth 11 and the second hearth 12 is divided into an incineration cavity and an ash collection cavity from top to bottom, a central air rod 13 is installed at the center of the inside of the third hearth 11, the front surface of the incineration chamber 1 corresponds to the first hearth 10, three inspection doors 6 are installed at the bottom of the incineration cavity of the third hearth 11 and the second hearth 12, a slag discharging door 5 is arranged at the position of the ash collection cavity corresponding to each inspection door 6, an igniter 17 is arranged at the position of the inspection door 6 corresponding to the inside of the first hearth 10, the third hearth 11 and the second hearth 12, a lower grid 15 is arranged between the incineration cavity and the ash collection cavity in the inside of the first hearth 10 and the second hearth 12, an upper grid 16 is arranged on the upper surface of the lower grid 15, a first air rod 18 and a second air rod 18 penetrate through the middle part of the position of the lower grid 16 in the inside of the first hearth 10 and the second hearth 12 The incinerator comprises an air rod 20, the lower ends of a first air rod 18, a second air rod 20 and a central air rod 13 are communicated with a combustion fan 19 through pipelines, one ends of the first air rod 18 and the second air rod 20 respectively penetrate through the bottoms of a first hearth 10 and a second hearth 12 and extend to the lower portion of an upper grid 16, the lower ends of the central air rod 13, the first air rod 18 and the second air rod 20 are respectively arranged in an ash collecting cavity and are provided with a fixed frame, the upper grid 16 is of a quartering conical structure, grid holes are formed in the surfaces of the upper grid 16 and a lower grid 15, a feeding table is arranged between the rear side of the incineration chamber 1 and the feeding mechanism, a crawling ladder is arranged at one side of the feeding table close to a storage cabinet 8, when the incinerator works, combustion oil in an oil tank 22 is ignited by opening an igniter 17 through opening an inspection door 6 and then is respectively injected into the incineration chamber in the hearth through an oil pump 21 through an oil injection nozzle 14, and then the combustion fan 19 is matched with the first air rod 18, Second wind stick 20 and central wind stick 13 use, the convenient flame to burning the intracavity is bloied, increase flame, the efficiency of smashing is improved, and through the cooperation that utilizes grid 16 and lower grid 15, the rubbish that conveniently will get into in first furnace 10 and the second furnace 12 bears, avoid rubbish to fall into the inside collection ash cavity of furnace, in order to make things convenient for the burning to rubbish, and because last grid 16 is the quartering toper design, thereby when rubbish gets into furnace, through the dispersion of last grid 16 to rubbish, make rubbish when burning, it is wider with flame area of contact, further improve the incineration efficiency of rubbish.

Two side walls of the lower end of the third hearth 11 are respectively provided with a first connecting pipe 25 and a second connecting pipe 26 corresponding to the upper grid 16 inside the first hearth 10 and the second hearth 12, one end of the first connecting pipe 25 penetrates through the first hearth 10 and extends to the inner side of the upper grid 16, the other end of the first connecting pipe 25 penetrates through the third hearth 11 and extends to the inner bottom end thereof, the interiors of the lower ends of the first hearth 10 and the third hearth 11 are communicated through the first connecting pipe 25, one end of the second connecting pipe 26 penetrates through the second hearth 12 and extends to the inner side of the upper grid 16 therein, the other end of the second connecting pipe 26 penetrates through the other side surface of the third hearth 11 and extends to the interior thereof, the interiors of the lower ends of the second hearth 12 and the third hearth 11 are communicated through the second connecting pipe 26, when the garbage on the upper grid 16 is incinerated, thick harmful smoke dust can be generated, and the smoke dust contains a large amount of harmful gas and solid particles, and the inner part of the hearth is in a sealed state during incineration, so a large amount of harmful smoke generated at the lower ends of the first hearth 10 and the second hearth 12 can enter the inside of the third hearth 11 through the first connecting pipe 25 and the second connecting pipe 26 at the inner lower ends thereof, smoke at the upper parts of the first hearth 10 and the second hearth 12 can be discharged through the upper U-shaped pipe 24 and can enter the inside of the third hearth 11 from the bottom thereof through the communicating pipe 113, and at the moment, the smoke containing solid particles entering the inside of the third hearth 11 can be subjected to secondary incineration treatment in the third hearth 11.

The rear sides of the upper ends of the first hearth 10 and the second hearth 12 are connected with a U-shaped pipe 24 in a through manner, one end of the U-shaped pipe 24 is communicated with the upper end of the inside of the first hearth 10, the other end of the U-shaped pipe 24 is communicated with the upper end of the inside of the second hearth 12, the lower end of the middle part of the U-shaped pipe 24 is communicated with a communicating pipe 113, one end of the communicating pipe 113 penetrates through the bottom end of the rear side surface of the third hearth 11 and extends into the inside of the third hearth 11, a furnace opening 111 is formed in the upper surface of the third hearth 11, a plurality of air rings 112 are respectively arranged on the outer surfaces of the central air rod 13, the first air rod 18 and the second air rod 20, the distance between every two air rings 112 is equal, a plurality of air holes are respectively arranged on the surface of each air ring 112, and a plurality of air rings 112 are arranged on the surface of the central air rod 13, so that when the corresponding combustion fan 19 conveys wind into the, thereby form round circle wind curtain from bottom to top at the lateral surface of central wind stick 13, consequently, burn the smoke and dust that produces in first furnace 10 and second furnace 12, can be by the second burning of third furnace 11 bottom from bottom to top, and receive the effect of wind curtain, can blow off the smoke and dust, make the area of contact increase of burning flame and smoke and dust, make the smoke and dust thoroughly burn, a small amount of flue gas after the last secondary burning is discharged into inner chamber 9 by fire door 111 in, the intake pipe 36 by inner chamber 9 bottom intercommunication discharges incineration chamber 1 again.

The feeding mechanism comprises an upright rod 48 correspondingly arranged at the rear end of the incineration chamber 1 and a bearing plate 47 arranged outside the upright rod 48, a hopper 4 is arranged at the inner side of the upper end of the upright rod 48, the lower end of the hopper 4 is connected with a blanking groove 41, the feeding mechanism also comprises pulleys 45 correspondingly arranged at two sides of the bearing plate 47 and a driving motor 42 arranged at one side of the lower end of the upright rod 48, one end of the driving motor 42 is connected with a main shaft rod 44, the middle part of the outer surface of the main shaft rod 44 is sleeved with a main rotating roller 43, the outer surface of the main rotating roller 43 is wound with a traction rope 46, an auxiliary shaft rod 410 is arranged at the upper end of the upright rod 48 corresponding to the main shaft rod 44, an auxiliary rotating roller 49 is arranged at the middle part of the surface of the auxiliary shaft rod 410 corresponding to the main rotating roller 43, a slide rail is arranged at the position of the inner, and the upper end of the bearing plate 47 is correspondingly provided with a hollow cylinder for hanging the garbage can, one end of the traction rope 46 is fixedly wound on the surface of the main rotating roller 43, the other end of the traction rope 46 surrounds the upper surface of the auxiliary rotating roller 49 and is fixedly connected with the bearing plate 47, the main shaft rod 44 and the auxiliary shaft rod 410 are respectively and correspondingly installed at the upper end and the lower end of the vertical rod 48, the bearing plate 47 is of an L-shaped structure, the blanking groove 41 is of a Y-shaped structure, one end of the blanking groove 41 is rotatably connected with the bottom end of the hopper 4, the Y end of the blanking groove 41 respectively corresponds to the upper ports of the first hearth 10 and the second hearth 12, when in operation, the hanging barrel containing garbage is hung in the hollow cylinder on the upper surface of the bearing plate 47, then the control cabinet 7 controls the driving motor 42 to work, the driving motor 42 drives the main shaft rod 44 to rotate, and then drives the main rotating roller 43 to rotate, at the moment, the main rotating, the carrying plate 47 is driven to ascend by the aid of the auxiliary rotating roller 49 of the traction rope 46, the garbage can is lifted to the top end of the vertical rod 48 (the top end of the vertical rod 48 is provided with a limiting block), and the garbage can is driven to turn over when the traction rope 46 is continuously wound, so that garbage in the garbage can is poured into the hopper 4 and then falls into the blanking groove 41 from the hopper 4, and then falls into the first hearth 10 and the second hearth 12 through guiding of the blanking groove 41, and the principle of the turning mechanism is similar to that of an existing sanitation garbage truck for pouring garbage in the garbage can into a carriage;

the cover turning mechanism comprises a furnace cover 23 positioned at the upper ends of a first furnace 10 and a second furnace 12, one end of the furnace cover 23 is connected with a connecting rod 203, one end of the connecting rod 203 is positioned at the upper surface of an incineration chamber 1 and is provided with a shaft fork 202, a shaft pin 201 penetrates through the inner side of the shaft fork 202, one end of the connecting rod 203 is connected with an electric push rod 2, one end of the shaft pin 201 penetrates through the shaft fork 202 and the connecting rod 203, the connecting rod 203 and the shaft fork 202 are rotatably connected through the shaft pin 201, two ends of the connecting rod 203 are respectively provided with a rotating shaft, one end of the connecting rod 203 is rotatably connected with the middle part of the upper surface of the furnace cover 23, the other end of the connecting rod 203 is rotatably connected with one end of the electric push rod 2, the other end of the electric push rod 2 is fixedly connected with the front surface of the incineration chamber 1, during operation, the electric, thereby driving the furnace cover 23 to be turned up, otherwise, the electric push rod 2 extends out to cover the furnace cover 23;

the flue gas treatment mechanism comprises a primary cyclone dust collector 37 positioned on one side surface of the incineration chamber 1, a secondary cyclone dust collector 32 is arranged on one side of the primary cyclone dust collector 37, the flue gas treatment mechanism further comprises an air inlet pipe 36 positioned on one side of the upper end of the primary cyclone dust collector 37, a transition pipe 35 is arranged on the upper end of the primary cyclone dust collector 37, an exhaust pipe 34 is arranged on the upper end of the secondary cyclone dust collector 32, a spraying disc 33 is arranged on the upper end of the inside of the secondary cyclone dust collector 32 and the upper end of the primary cyclone dust collector 37, a water inlet pipe 31 is connected to the position, corresponding to the spraying disc 33, of one side surface of the secondary cyclone dust collector 32 and the one side surface of the primary cyclone dust collector 37, water outlets 38 are arranged at the bottom ends of the secondary cyclone dust collector 32 and the primary cyclone dust collector 37, a water tank 3 is arranged under the secondary cyclone dust collector 32 and the primary cyclone dust collector 37 on one side of the incineration chamber 1, and the spraying The spraying plate 33 is of a hollow structure, a plurality of spraying holes are uniformly distributed on the lower surface of the spraying plate 33, the upper end of a primary cyclone dust collector 37 is communicated with a secondary cyclone dust collector 32 through a transition pipe 35, one end of an air inlet pipe 36 is connected with the primary cyclone dust collector 37, the other end of the air inlet pipe 36 is communicated with the inner bottom end of the inner cavity 9, after the garbage is incinerated in the incineration cavity, the incinerated dust enters the dust collecting cavity, the generated smoke dust is subjected to secondary incineration in a third hearth 11, the generated gas enters the inner cavity 9 and is discharged into the primary cyclone dust collector 37 through the air inlet pipe 36 at the bottom of the inner cavity 9, at the moment, a water pump connected with one end of a water inlet pipe 31 is started, water is injected into the spraying plate 33 through the water inlet pipe 31 and then is sprayed out through the spraying holes on the lower surface of the spraying plate 33, the entering smoke gas can be sprayed and filtered, and the smoke gas after primary filtration is carried, the gas after the secondary filtration is discharged into the secondary cyclone dust collector 32 through the transition pipe 35, and the gas after the secondary filtration is discharged through the exhaust pipe 34 by the same principle, so that the smoke after the secondary incineration in the incineration chamber 1 is filtered, and the smoke is thoroughly purified;

the combustion-supporting mechanism comprises a storage cabinet 8 positioned at the other side of the incineration chamber 1, a plurality of combustion-supporting oil nozzles 14 positioned at the lower ends of the inside of the first hearth 10, the third hearth 11 and the second hearth 12, wherein the combustion-supporting oil nozzles 14 are arranged in a surrounding manner, each combustion-supporting oil nozzle 14 is inclined upwards at an angle of 60 degrees, the combustion-supporting mechanism further comprises an oil tank 22 positioned in the storage cabinet 8, an oil filling port is formed in the upper end of the oil tank 22, an oil pump 21 is arranged at one side of the oil tank 22 in the storage cabinet 8, the input end of the oil pump 21 is communicated with the bottom end of the oil tank 22 through an oil pipe, the output end of the oil pump 21 is respectively communicated with the combustion-supporting oil nozzles 14 through the oil pipe, an oil valve is arranged at the joint of each combustion-supporting oil nozzle 14 and the oil pipe, a control cabinet 7 is also arranged at the upper end of the storage cabinet, and the corresponding combustion-supporting oil nozzle 14 is opened by controlling the oil valve corresponding to each combustion-supporting oil nozzle 14, so that combustion-supporting incineration is performed in the incineration cavity, and the incineration efficiency is improved.

The working principle of the invention is as follows: the method comprises the following specific operation steps:

A. the furnace cover 23 is opened through the turnover mechanism, then the garbage is conveyed into the hopper 4 through the feeding mechanism, and is respectively guided and poured into the first hearth 10 and the second hearth 12 through the discharging groove 41, and the garbage entering the hearths falls down and stays on the upper grid 16 in the hearths;

B. then, the flame is ignited by the igniter 17, the oil pump 21 is controlled to work by the control cabinet 7, the combustion-supporting oil in the oil tank 22 is conveyed to the combustion-supporting oil spray nozzles 14, the oil valve corresponding to each combustion-supporting oil spray nozzle 14 is controlled, so that the corresponding combustion-supporting oil spray nozzles 14 are opened, combustion-supporting burning is carried out in the burning cavity by using a combustion-supporting mechanism, and meanwhile, the first air bar 18 and the second air bar 20 are used for blowing and supporting combustion in the first hearth 10 and the second hearth 12 by controlling the combustion-supporting fan 19 to work, so that the burning efficiency is improved;

C. the garbage in the first hearth 10 and the second hearth 12 can be fully incinerated under the action of the conical upper grid 16, and when the garbage is incinerated, smoke dust generated at the lower parts of the first hearth 10 and the second hearth 12 can enter the inside of the third hearth 11 through the first connecting pipe 25 and the second connecting pipe 26, smoke gas at the upper parts of the first hearth 10 and the second hearth 12 can be discharged through the upper end U-shaped pipe 24 and enters the inside of the third hearth 11 from the bottom of the third hearth 11 through the communicating pipe 113, at the moment, the smoke dust containing solid particles entering the inside of the third hearth 11 can be subjected to secondary incineration treatment in the third hearth 11, and the smoke dust in the third hearth 11 can be fully incinerated from bottom to top under the cooperation of the combustion fan 19 and the central air bar 13;

D. high-temperature flue gas generated after secondary incineration enters the inner cavity 9 of the incineration chamber 1 through the furnace mouth 111, so that the high-temperature flue gas is quickly distributed on the outer surface of the hearth and can play a role in heat preservation on the hearth, meanwhile, the flue gas discharged into the inner cavity 9 from the furnace mouth 111 can be respectively converged into the air inlet pipeline 36 through the pipelines at the lower end inside the inner cavity 9 corresponding to the first hearth 10 and the second hearth 12, and then is discharged into the primary cyclone dust collector 37 through the air inlet pipe 36, and is discharged into the secondary cyclone dust collector 32 through the transition pipe 35 after being primarily treated by the primary cyclone dust collector 37, after secondary purification treatment, harmful gas in the flue gas generated during incineration is thoroughly purified, and finally, the purified flue gas is discharged through the exhaust pipe 34;

the invention adopts the matching of the first hearth 10 and the second hearth 12 to fully burn the garbage, adopts the action of the conical upper grid 16 to fully spread the garbage, increases the burning area and improves the burning efficiency, and the smoke generated by burning enters the third hearth 11 to be secondarily burned, and matches the action of the central air rod 13 to fully burn the smoke generated by primary burning for the second time, so that the burning of the smoke is more thorough, and the burned high-temperature smoke is discharged into the inner cavity 9 through the furnace mouth 111 and then discharged into the smoke treatment mechanism through the air inlet pipe 36, and when the high-temperature smoke enters the inner cavity 9, the smoke treatment mechanism can play a role of heat preservation on the hearth, the invention has novel design and full-automatic operation, not only has high burning efficiency on the solid garbage, but also secondarily burns the smoke generated during burning, and filters and purifies the smoke generated after secondary burning, further achieves the purpose of smokeless incineration.

It should be noted that: the driving motor 41 adopts a servo motor with the model of MCA17N23-RS0B0, the electric push rod 2 is ANT-52, a singlechip with the model of AT89S52 is adopted in the control cabinet 7, a touch screen type display screen is arranged on the control cabinet 7, and the combustion-supporting fan 19 adopts an industrial common fan.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The smokeless incineration device for solid waste combustion comprises an incineration chamber (1) and a hearth located inside the incineration chamber (1), and is characterized in that the hearth is divided into a first hearth (10), a third hearth (11) and a second hearth (12), an inner cavity (9) is formed between the hearth and the incineration chamber (1), the interiors of the first hearth (10), the third hearth (11) and the second hearth (12) are divided into an incineration cavity and an ash collection cavity from top to bottom, a central air rod (13) is installed at the center of the interior of the third hearth (11), and the incineration device further comprises a feeding mechanism, a flip mechanism, a smoke treatment mechanism and a combustion-supporting mechanism;

the feeding mechanism comprises a vertical rod (48) which is correspondingly arranged at the rear end of the incineration chamber (1) and a bearing plate (47) which is arranged at the outer side of the vertical rod (48), the inner side of the upper end of the vertical rod (48) is provided with a hopper (4), and the lower end of the hopper (4) is connected with a discharging groove (41);

the cover turning mechanism comprises a furnace cover (23) positioned at the upper ends of a first furnace (10) and a second furnace (12), one end of the furnace cover (23) is connected with a connecting rod (203), one end of the connecting rod (203) is positioned on the upper surface of the incineration chamber (1) and is provided with a shaft fork (202), a shaft pin (201) penetrates through the inner side of the shaft fork (202), and one end of the connecting rod (203) is connected with an electric push rod (2);

the flue gas treatment mechanism comprises a primary cyclone dust collector (37) positioned on one side surface of the incineration chamber (1), and a secondary cyclone dust collector (32) is arranged on one side of the primary cyclone dust collector (37);

the combustion-supporting mechanism comprises a storage cabinet (8) positioned on the other side of the incineration chamber (1) and a plurality of combustion-supporting oil nozzles (14) which are positioned at the lower ends of the interiors of the first hearth (10), the third hearth (11) and the second hearth (12) in a surrounding mode, and each combustion-supporting oil nozzle (14) is obliquely arranged upwards at an angle of 60 degrees;

wherein, the front surface of the incineration chamber (1) is provided with three inspection doors (6) corresponding to the bottom of the incineration chamber of the first hearth (10), the third hearth (11) and the second hearth (12), the position of each inspection door (6) under the corresponding ash collecting chamber is provided with a slag discharging door (5), the inner parts of the first hearth (10), the third hearth (11) and the second hearth (12) are provided with an igniter (17) corresponding to the inspection door (6), the inner parts of the first hearth (10) and the second hearth (12) are provided with a lower grating (15) between the incineration chamber and the ash collecting chamber, the upper surface of the lower grating (15) is provided with an upper grating (16), the middle parts of the inner parts of the first hearth (10) and the second hearth (12) under the upper grating (16) are respectively penetrated with a first wind rod (18) and a second wind rod (20), the lower ends of the first air rod (18), the second air rod (20) and the central air rod (13) are communicated with a combustion fan (19) through pipelines, one ends of the first air rod (18) and the second air rod (20) respectively penetrate through the bottoms of the first hearth (10) and the second hearth (12) and extend to the lower side of the upper grid (16), the lower ends of the central air rod (13), the first air rod (18) and the second air rod (20) are positioned in the ash collecting cavity and are provided with fixing frames, the upper grid (16) is of a quartering conical structure, and grid holes are formed in the surfaces of the upper grid (16) and the lower grid (15);

wherein, two side walls at the lower end of the third hearth (11) are respectively provided with a first connecting pipe (25) and a second connecting pipe (26) corresponding to the upper grids (16) in the first hearth (10) and the second hearth (12), one end of the first connecting pipe (25) penetrates through the first hearth (10) and extends to the inner side of the upper grid (16), and the other end of the first connecting pipe (25) penetrates through the third hearth (11) and extends to the inner bottom end thereof, the inner parts of the lower ends of the first hearth (10) and the third hearth (11) are communicated and connected through a first connecting pipe (25), one end of the second connecting pipe (26) penetrates through the second hearth (12) and extends to the inner side of the upper grid (16) inside the second hearth, and the other end of the second connecting pipe (26) penetrates through the other side surface of the third hearth (11) and extends to the interior of the third hearth, the second hearth (12) is communicated with the interior of the lower end of the third hearth (11) through a second connecting pipe (26);

wherein, the rear sides of the upper ends of the first hearth (10) and the second hearth (12) are connected with a U-shaped pipe (24) in a penetrating way, one end of the U-shaped pipe (24) is communicated with the upper end inside the first hearth (10), and the other end of the U-shaped pipe (24) is communicated with the upper end inside the second hearth (12), the lower end of the middle part of the U-shaped pipe (24) is communicated with a communicating pipe (113), one end of the communicating pipe (113) penetrates through the bottom end of the rear side surface of the third hearth (11) and extends to the inside of the third hearth (11), the upper surface of the third hearth (11) is provided with a furnace mouth (111), the outer surfaces of the central air rod (13), the first air rod (18) and the second air rod (20) are provided with a plurality of air rings (112), the distance between every two air rings (112) is equal, and the surface of each air ring (112) is provided with a plurality of air holes;

one end of the shaft pin (201) penetrates through the shaft fork (202) and the connecting rod (203), the connecting rod (203) is rotatably connected with the shaft fork (202) through the shaft pin (201), rotating shafts are arranged at two ends of the connecting rod (203), one end of the connecting rod (203) is rotatably connected with the middle part of the upper surface of the furnace cover (23), the other end of the connecting rod (203) is rotatably connected with one end of the electric push rod (2), and the other end of the electric push rod (2) is fixedly connected with the front surface of the incineration chamber (1);

wherein the flue gas treatment mechanism also comprises an air inlet pipe (36) positioned at one side of the upper end of the primary cyclone dust collector (37), the upper end of the primary cyclone dust collector (37) is provided with a transition pipe (35), the upper end of the secondary cyclone dust collector (32) is provided with an exhaust pipe (34), the upper ends of the inner parts of the secondary cyclone dust collector (32) and the primary cyclone dust collector (37) are respectively provided with a spraying disc (33), and one side surfaces of the secondary cyclone dust collector (32) and the primary cyclone dust collector (37) are connected with a water inlet pipe (31) corresponding to the spraying disc (33), the bottom ends of the secondary cyclone dust collector (32) and the primary cyclone dust collector (37) are respectively provided with a water outlet (38), a water tank (3) is arranged on one side of the incineration chamber (1) and is positioned right below the secondary cyclone dust collector (32) and the primary cyclone dust collector (37); one end of the water inlet pipe (31) penetrates through the secondary cyclone dust collector (32) and the primary cyclone dust collector (37) respectively and is communicated with a spraying disc (33) inside the water inlet pipe, the spraying disc (33) is of a hollow structure, a plurality of spraying holes are distributed on the lower surface of the spraying disc (33), the upper end of the primary cyclone dust collector (37) is communicated with the secondary cyclone dust collector (32) through a transition pipe (35), one end of the air inlet pipe (36) is connected with the primary cyclone dust collector (37), and the other end of the air inlet pipe (36) is communicated with the bottom end inside the inner cavity (9);

the feeding mechanism further comprises pulleys (45) correspondingly arranged on two sides of the bearing plate (47) and a driving motor (42) located on one side of the lower end of the vertical rod (48), one end of the driving motor (42) is connected with a main shaft rod (44), a main rotating roller (43) is sleeved in the middle of the outer surface of the main shaft rod (44), a traction rope (46) is wound on the outer surface of the main rotating roller (43), an auxiliary shaft rod (410) is arranged at the position, corresponding to the main shaft rod (44), of the upper end of the vertical rod (48), an auxiliary rotating roller (49) is arranged at the position, corresponding to the main rotating roller (43), of the middle of the surface of the auxiliary shaft rod (410), a sliding rail is arranged at the position, corresponding to the pulleys (45), of the inner side surface of the vertical rod (48), the bearing plate (47) and the vertical rod (48) are connected with the sliding rail through the pulleys (45), and one end of the traction rope, and the other end of the traction rope (46) surrounds the upper surface of the auxiliary rotating roller (49) and is fixedly connected with the bearing plate (47), the main shaft rod (44) and the auxiliary shaft rod (410) are respectively and correspondingly installed at the upper end and the lower end of the vertical rod (48), the bearing plate (47) is of an L-shaped structure, the discharging groove (41) is of a Y-shaped structure, one end of the discharging groove (41) is rotatably connected with the bottom end of the hopper (4), and the Y end of the discharging groove (41) respectively corresponds to the upper ports of the first hearth (10) and the second hearth (12).

2. The smokeless incineration device for solid waste combustion according to claim 1, characterized in that the combustion-supporting mechanism further comprises an oil tank (22) disposed inside the storage cabinet (8), an oil injection port is disposed at an upper end of the oil tank (22), an oil pump (21) is disposed on one side of the oil tank (22) inside the storage cabinet (8), an input end of the oil pump (21) is communicated with a bottom end of the oil tank (22) through an oil pipe, an output end of the oil pump (21) is respectively communicated with a plurality of combustion-supporting oil nozzles (14) through oil pipes, an oil valve is disposed at a joint of each combustion-supporting oil nozzle (14) and the oil pipe, and a control cabinet (7) is disposed at an upper end of the storage cabinet (8).

3. A smokeless incineration device for solid waste combustion according to claim 1, characterized in that a feeding station is arranged between the rear side of the incineration chamber (1) and the feeding mechanism, and a ladder is arranged on one side of the feeding station near the storage tank (8).