CN220852159U

CN220852159U - Garbage incinerator temperature stability structure

Info

Publication number: CN220852159U
Application number: CN202322616041.0U
Authority: CN
Inventors: 蔡栋栋; 许久强; 马晓刚; 丁卫灵; 郭延宋; 孙佳富
Original assignee: Beijing Gaoantun Waste To Energy Co ltd
Current assignee: Beijing Gaoantun Waste To Energy Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-04-26
Anticipated expiration: 2033-09-26

Abstract

The application relates to a furnace temperature stability structure of a garbage incinerator, which comprises a furnace, wherein a screen lattice is arranged at the bottom in the furnace, a feed inlet is formed in the top of the side wall of the furnace, a slag discharge port is formed in the bottom of the furnace, and a nano coating formed by high-temperature reflective heat-insulating nano coating is smeared on the outer wall of the furnace. Pouring rubbish into furnace through the feed inlet, the sieve check blocks rubbish, burns rubbish in the furnace, and the rubbish sediment after burning falls through the sieve check, discharges furnace through the sediment mouth, through scribbles high temperature reflection thermal-insulated nanometer coating on the furnace outer wall, increases furnace's heat-proof capacity, strengthens the heat transfer of burning in the furnace radiation, improves the thermal efficiency of rubbish burning and the heat conduction performance of oven, improves the homogeneity of in-furnace temperature field distribution, improves the stability of in-furnace temperature of rubbish burning furnace, practices thrift the cost.

Description

Garbage incinerator temperature stability structure

Technical Field

The application relates to the technical field of garbage treatment equipment, in particular to a garbage incinerator temperature stability structure.

Background

The garbage incinerator is a harmless treatment device commonly used in the aspects of harmless treatment of medical and domestic waste and animals. The principle is that the objects to be treated are burnt and carbonized at high temperature by using the combustion of fuels such as coal, fuel oil, fuel gas and the like so as to achieve the aim of disinfection treatment. Compared with landfill and composting, the garbage incineration saves more land and does not pollute surface water and underground water. Therefore, refuse incineration is becoming a realistic option.

The garbage incinerator has very strict requirements on the hearth temperature, the hearth temperature must be ensured to be above 850 ℃, the winter air temperature is low, garbage can hardly ferment, the garbage heat value is low, the hearth temperature is required to be ensured to be above 850 ℃, intermittent oil feeding and combustion supporting are also required, and the production cost is increased intangibly.

Disclosure of utility model

In order to improve the stability of the furnace temperature in the garbage incinerator and save the cost, the application provides a structure for stabilizing the furnace temperature of the garbage incinerator.

The application provides a garbage incinerator temperature stability structure, which adopts the following technical scheme:

The utility model provides a garbage incinerator furnace temperature stability structure, includes furnace, the bottom is provided with the sieve check in the furnace, the feed inlet has been seted up at furnace's lateral wall top, the slag notch has been seted up to the furnace bottom, the furnace outer wall is paintd the nanometer coating that high temperature reflection thermal insulation nanometer coating formed.

Through adopting above-mentioned technical scheme, pour rubbish into furnace through the feed inlet in, the sieve check blocks rubbish, burn rubbish in the furnace, the rubbish sediment after burning drops through the sieve check, discharge the furnace through the sediment mouth, through scribble high temperature reflection thermal-insulated nanometer coating on the furnace outer wall, increase furnace's heat-proof ability, strengthen the heat transfer of burning in the stove radiation, improve the thermal efficiency of rubbish burning and the heat conduction performance of oven, improve the homogeneity of in-furnace temperature field distribution, improve the stability of in-furnace temperature of rubbish burning stove, save cost.

Optionally, the thickness of the nano-coating is between 0.2 and 0.7 mm.

By adopting the technical scheme, the sprayed coating is uniform and the surface of the coating is flat and smooth while the good heat insulation capacity is maintained.

Optionally, the circulation cavity has been seted up in the furnace lateral wall, the furnace top is provided with out the smoke chamber, it is provided with the fan to go out the smoke chamber in, the furnace top has been seted up and has been used for communicating the smoke vent that goes out smoke chamber and furnace inside, the one end and the circulation cavity intercommunication that go out the smoke chamber and keep away from the smoke vent, set up the smoke outlet with the circulation cavity intercommunication on the furnace, the smoke outlet is located the one end that goes out the smoke chamber in the circulation cavity.

Through adopting above-mentioned technical scheme, the flue gas of combustion waste in the furnace enters into the play smoke chamber through the ventilation mouth, and the indoor fan work of play smoke is led the circulation cavity with the flue gas in and is discharged through the play smoke mouth, contains heat in the flue gas, and the flue gas improves furnace's heat preservation effect in the circulation cavity.

Optionally, a filter screen positioned at the position of the smoke vent is arranged in the hearth.

Through adopting above-mentioned technical scheme, avoid rubbish to enter into the smoke chamber through the filter screen.

Optionally, the furnace is provided with two-layer filter cigarette nets from top to bottom in the position of the smoke outlet, and active carbon for purifying the flue gas is filled between the two-layer filter cigarette nets.

By adopting the technical scheme, the flue gas is purified by the activated carbon in the smoke filtering net, so that the flue gas pollution is reduced.

Optionally, be provided with the abrasionproof board under the feed inlet in the furnace, abrasionproof board is close to feed inlet one end to keeping away from feed inlet one end downward sloping, the length of abrasionproof board is less than half of furnace width.

Through adopting above-mentioned technical scheme, enter into the rubbish in the furnace through the feed inlet and receive the abrasionproof board direction, avoid rubbish to directly fall on the grid, reduce the impact force of the rubbish gravity that the grid receives.

Optionally, one side that the feed inlet was kept away from to the furnace inner wall is provided with the fender flow board that is located between abrasionproof board and the sieve check, the fender flow board is along furnace inner wall downward sloping to furnace central axis direction, the length of fender flow board is less than half of furnace width.

Through adopting above-mentioned technical scheme, the rubbish through the direction of wear-resisting board passes through the guide of fender flow board again, and rubbish flow direction furnace's central part reduces the possibility that rubbish collided the furnace inner wall, alleviates the wearing and tearing of furnace inner wall.

Optionally, be provided with the (mixing) shaft that is located the sieve check top in the furnace, be provided with the (mixing) motor that is used for driving the (mixing) shaft to carry out pivoted outside the furnace.

Through adopting above-mentioned technical scheme, start agitator motor, the (mixing) shaft rotates, makes the rubbish in the furnace fully burn.

Optionally, an ignition port positioned above the screen lattice is formed in the outer wall of the hearth.

Through adopting above-mentioned technical scheme, conveniently ignite burning through the rubbish of ignition mouth in the furnace.

In summary, the present application includes at least one of the following beneficial technical effects:

1. Pouring garbage into a hearth through a feed inlet, blocking the garbage by a screen grid, incinerating the garbage in the hearth, allowing the incinerated garbage slag to fall through the screen grid, discharging the incinerated garbage slag out of the hearth through a slag discharge port, and coating high-temperature reflective heat-insulating nano paint on the outer wall of the hearth to increase the heat insulating capacity of the hearth, strengthen the radiation heat transfer in the incinerator, improve the heat efficiency of the garbage incineration and the heat conduction performance of a furnace wall, improve the uniformity of the distribution of a temperature field in the incinerator, improve the stability of the temperature of the incinerator and save the cost;

2. The flue gas of combustion rubbish in the furnace enters into the smoke outlet chamber through the smoke through hole, and the fan in the smoke outlet chamber works to guide the flue gas into the circulation cavity and discharge the flue gas through the smoke outlet, and the flue gas contains heat and improves the heat preservation effect of the furnace in the circulation cavity.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a temperature stability structure of a garbage incinerator.

Fig. 2 is a schematic diagram of the internal structure of the temperature stability structure of the garbage incinerator.

Fig. 3 is a schematic diagram showing the connection relationship between a furnace chamber and a smoke outlet chamber in a furnace temperature stability structure of the garbage incinerator.

Reference numerals illustrate: 1. a furnace; 11. support legs; 12. a feed inlet; 13. a slag discharge port; 14. an ignition port; 15. an ignition plate; 16. a circulation cavity; 17. a communication chamber; 18. a smoke outlet; 2. screening; 3. a stirring shaft; 31. a stirring motor; 4. an abrasion-proof plate; 5. a flow baffle; 6. a smoke outlet chamber; 61. a smoke vent; 611. a filter screen; 62. a blower; 7. a smoke filtering net; 71. activated carbon; 8. a nano coating.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a temperature stability structure of a garbage incinerator.

Referring to fig. 1, a garbage incinerator temperature stability structure comprises a hearth 1, wherein supporting legs 11 are fixedly arranged on the outer wall of the hearth 1 in the circumferential direction, and the supporting legs 11 support the hearth 1 to provide stability for the operation of the hearth 1.

Referring to fig. 1 and 2, a feed port 12 is formed in the top of the side wall of the hearth 1, garbage is poured into the hearth 1 through the feed port 12, a screen 2 is fixedly connected to the bottom of the hearth 1, the garbage falls on the screen 2, an ignition port 14 located above the screen 2 is formed in the outer wall of the hearth 1, the garbage in the hearth 1 is ignited through the ignition port 14, garbage slag after the garbage combustion on the grid falls through the screen 2, a slag discharge port 13 is formed in the bottom of the hearth 1, and the garbage slag is discharged out of the hearth 1 through the slag discharge port 13. The side wall of the hearth 1 is hinged with an ignition plate 15 at the position of the ignition port 14, the ignition plate 15 shields the ignition port 14, and the garbage is prevented from flowing out of the hearth 1 from the ignition port 14, and the ignition plate 15 is opened to ignite the garbage in the hearth 1.

Referring to fig. 2, a stirring shaft 3 located above the screen 2 is rotatably connected to the hearth 1, a stirring motor 31 for driving the stirring shaft 3 to rotate is mounted outside the hearth 1, and an output shaft of the stirring motor 31 is fixedly connected with the stirring shaft 3 coaxially. In the process of incinerating the garbage, the stirring motor 31 is started, the stirring shaft 3 rotates, so that the garbage in the hearth 1 is turned over, and the garbage is fully combusted.

Referring to fig. 2 and 3, the outer wall of the hearth 1 is coated with a nano coating 8 formed by high-temperature reflective heat-insulating nano coating, the high-temperature reflective heat-insulating nano coating forms the nano coating 8 on the outer wall of the hearth 1, the heat insulating capability of the hearth 1 is increased, the radiation heat transfer in the incinerator is enhanced, the heat efficiency of garbage incineration and the heat conduction performance of the furnace wall are improved, the uniformity of the distribution of a temperature field in the furnace is improved, the stability of the furnace temperature in the garbage incinerator is improved, the cost is saved, the thickness of the nano coating 8 is between 0.2 and 0.7mm, the sprayed coating is uniform, and the surface of the coating is smooth.

Referring to fig. 2, an anti-wear plate 4 located right below a feed inlet 12 is fixedly installed in a hearth 1, one end, close to the feed inlet 12, of the anti-wear plate 4 is inclined downwards towards the end, far away from the feed inlet 12, of the anti-wear plate 4, the length of the anti-wear plate 4 is smaller than half of the width of the hearth 1, garbage entering the hearth 1 through the feed inlet 12 is guided by the anti-wear plate 4, the garbage is prevented from directly falling onto a grid, and the impact force of the gravity of the garbage borne by the grid is reduced. One side of the inner wall of the hearth 1, which is far away from the feed inlet 12, is fixedly provided with a flow baffle plate 5 positioned between the wear-resisting plate 4 and the screen grid 2, the flow baffle plate 5 is inclined downwards along the inner wall of the hearth 1 towards the central axis direction of the hearth 1, the length of the flow baffle plate 5 is less than half of the width of the hearth 1, garbage guided by the wear-resisting plate 4 is guided by the flow baffle plate 5, and flows to the central part of the hearth 1, so that the possibility that the garbage collides with the inner wall of the hearth 1 is reduced, and the abrasion of the inner wall of the hearth 1 is lightened. The garbage is guided to flow to the central part in the hearth 1 by the wear-resistant plate 4 and the flow baffle plate 5, so that the garbage is fully burnt.

Referring to fig. 2 and 3, circulation cavities 16 are formed in side walls of two sides of the hearth 1 far away from the feed inlet 12, a communication cavity 17 for communicating the two circulation cavities 16 is formed in a side wall of one side of the hearth 1 far away from the feed inlet 12, a smoke outlet chamber 6 is arranged at the top of the hearth 1, a smoke through hole 61 for communicating the smoke outlet chamber 6 with the hearth 1 is formed in the top of the hearth 1, one end of the smoke outlet chamber 6 far away from the smoke through hole 61 is communicated with the circulation cavity 16 on one side of the smoke outlet chamber 6, smoke enters the smoke outlet chamber 6 through the smoke through hole 61 and enters the circulation cavity 16, heat is contained in the smoke, and the heat preservation effect of the hearth 1 is improved in the circulation cavity 16. A fan 62 is arranged in the smoke outlet chamber 6, a smoke outlet 18 which is far away from the smoke outlet chamber 6 and communicated with the circulating cavity 16 at the other side of the smoke outlet chamber 6 is formed in the hearth 1, the smoke outlet 18 is positioned at one end of the circulating cavity 16 which is far away from the smoke outlet chamber 6, smoke of garbage in the hearth 1 enters the smoke outlet chamber 6 through a smoke through hole 61, and the fan 62 in the smoke outlet chamber 6 works to guide the smoke into the circulating cavity 16 and discharge the smoke through the smoke outlet 18.

Referring to fig. 3, a filter screen 611 positioned at the smoke vent 61 is fixedly installed in the furnace chamber 1, so that garbage is prevented from entering the smoke outlet chamber 6.

Referring to fig. 3, the upper and lower two layers of smoke filtering nets 7 are installed at the position of the smoke outlet 18 of the hearth 1, active carbon 71 for purifying smoke is filled between the two layers of smoke filtering nets 7, and the active carbon 71 is used for purifying and adsorbing the smoke so as to reduce smoke pollution.

The implementation principle of the temperature stability structure of the garbage incinerator provided by the embodiment of the application is as follows: the outer wall of the hearth 1 is coated with the nano coating 8 formed by the high-temperature reflective heat-insulating nano coating, so that the heat insulation capability of the hearth 1 is improved, the radiation heat transfer in the incinerator is enhanced, the heat efficiency of garbage incineration and the heat conduction performance of the furnace wall are improved, smoke enters the smoke outlet chamber 6 through the smoke through hole 61 and enters the circulation cavity 16, the smoke contains heat, the heat preservation effect of the hearth 1 is improved in the circulation cavity 16, the stability of the furnace temperature in the garbage incinerator is improved, and the cost is saved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a garbage incinerator furnace temperature stability structure, includes furnace (1), its characterized in that: the novel high-temperature heat-insulation furnace is characterized in that a screen grid (2) is arranged at the inner bottom of the furnace (1), a feed inlet (12) is formed in the top of the side wall of the furnace (1), a slag discharge port (13) is formed in the bottom of the furnace (1), and a nano coating (8) formed by high-temperature reflective heat-insulation nano coating is smeared on the outer wall of the furnace (1).

2. A waste incinerator temperature stability structure according to claim 1, wherein: the thickness of the nano coating (8) is between 0.2 and 0.7 mm.

3. A waste incinerator temperature stability structure according to claim 1, wherein: the utility model discloses a boiler is characterized in that a circulation cavity (16) is arranged in the side wall of a boiler (1), a smoke outlet chamber (6) is arranged at the top of the boiler (1), a fan (62) is arranged in the smoke outlet chamber (6), a smoke through hole (61) used for communicating the smoke outlet chamber (6) with the inside of the boiler (1) is arranged at the top of the boiler (1), one end of the smoke outlet chamber (6) away from the smoke through hole (61) is communicated with the circulation cavity (16), a smoke outlet (18) communicated with the circulation cavity (16) is arranged on the boiler (1), and the smoke outlet (18) is located at one end of the circulation cavity (16) away from the smoke outlet chamber (6).

4. A waste incinerator temperature stability structure according to claim 3, wherein: a filter screen (611) positioned at the position of the smoke vent (61) is arranged in the hearth (1).

5. A waste incinerator temperature stability structure according to claim 3, wherein: the furnace (1) is provided with an upper layer of smoke filtering net (7) and a lower layer of smoke filtering net (7) at the position of a smoke outlet (18), and active carbon (71) for purifying smoke is filled between the two layers of smoke filtering nets (7).

6. A waste incinerator temperature stability structure according to claim 1, wherein: the anti-wear plate (4) located right below the feed inlet (12) is arranged in the hearth (1), one end, close to the feed inlet (12), of the anti-wear plate (4) is inclined downwards towards one end, far away from the feed inlet (12), and the length of the anti-wear plate (4) is smaller than half of the width of the hearth (1).

7. The garbage incinerator temperature stability structure according to claim 6, wherein: one side of furnace (1) inner wall far away from feed inlet (12) is provided with and is located fender flow board (5) between abrasionproof board (4) and sieve check (2), fender flow board (5) are along furnace (1) inner wall to furnace (1) central axis direction downward sloping, the length of fender flow board (5) is less than half of furnace (1) width.

8. A waste incinerator temperature stability structure according to claim 1, wherein: the stirring motor (31) used for driving the stirring shaft (3) to rotate is arranged outside the hearth (1).

9. A waste incinerator temperature stability structure according to claim 1, wherein: an ignition port (14) positioned above the screen lattice (2) is formed in the outer wall of the hearth (1).