CN220489155U - Garbage gasification furnace - Google Patents

Abstract

The utility model discloses a garbage gasification furnace, which comprises a combustion cavity, wherein the combustion cavity comprises a first cavity and a second cavity which are mutually communicated, the top of the second cavity is provided with a feed inlet and an exhaust outlet, a feed inlet pushing component is arranged below the feed inlet, the second cavity comprises a first side wall which is obliquely arranged and a second side wall which is opposite to the first side wall, the lower part of the second cavity is provided with a horizontal pushing component, a first air supply pipe which is communicated with the outside is arranged in the horizontal pushing component, and the horizontal pushing component is used for loosening garbage and providing combustion-supporting air. The utility model has the advantages of high combustion efficiency, energy conservation, environmental protection and the like.

Description

Garbage gasification furnace

Technical Field

The utility model mainly relates to the field of garbage combustion equipment, in particular to a garbage gasification furnace.

Background

The garbage is a pollutant generated along with the production activities of human beings, a large amount of wastes have great harm to the environment, and are mainly represented by occupying land, polluting the atmosphere, soil and water, the damage caused by the garbage is difficult to recover, the existing urban household garbage disposal technology has low level, the household garbage disposal needs a large amount of funds, the environmental pollution is serious and the like, and the garbage disposal technology has become an important bottleneck affecting the urban living environment of China and restricting the urban development.

At present, three methods of landfill, composting and incineration are basically adopted in the aspect of solving urban household garbage, compared with the landfill and the composting, the incineration method has the characteristics of capacity reduction, weight reduction, on-site treatment, high treatment speed, heat energy recovery, high harmless degree and the like, so that the household garbage incineration power generation is an important way for developing new energy and disposing the household garbage, but the garbage incineration device in the prior art still has the following problems: the investment cost of the equipment is high, and the occupied area is large; unstable and uneven combustion, low burnout rate and the like.

The garbage gasification is one of novel technologies of garbage incineration, compared with the traditional garbage incineration technology, the method has the advantages that the garbage is gasified into combustible gas in an anaerobic or anoxic environment, the dioxin generation is reduced more effectively than the traditional incinerator, and meanwhile, compared with the traditional incinerator, the smoke and dust generated by the garbage gasification are fewer and easy to treat.

Disclosure of Invention

Aiming at the technical problems existing in the prior art, the utility model provides the garbage gasification furnace with high combustion efficiency, energy conservation and environmental protection.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a rubbish gasifier, includes the burning cavity, the burning cavity is including the first cavity and the second cavity of mutual intercommunication, the top of second cavity is equipped with pan feeding mouth and gas vent, the below of pan feeding mouth is equipped with pan feeding mouth pushing component, the second cavity is including the first lateral wall of slope arrangement and the second lateral wall of arranging with first lateral wall relatively, the lower part of second cavity is equipped with the level pushing component, the inside of level pushing component is equipped with the first tuber pipe of giving with external intercommunication, the level pushing component is used for making rubbish become flexible and provides combustion-supporting air.

As a further improvement of the utility model: the second side wall is arc-shaped.

As a further improvement of the utility model: the combustion cavity further comprises a slag collecting cavity and a slag discharging pushing piece, wherein the slag collecting cavity is communicated with the first cavity, and the slag discharging pushing piece reciprocates along the horizontal direction to push the burnt slag into the slag collecting cavity.

As a further improvement of the utility model: the bottom of the combustion cavity is at least provided with more than one top loosening device, and the top loosening device moves up and down along the vertical direction to loosen garbage.

As a further improvement of the utility model: and a second air supply pipe communicated with the outside is arranged in the top loosening device.

As a further improvement of the utility model: the top of the top loosening device is provided with a cone tip.

As a further improvement of the utility model: at least one first air supply hole is formed in the side wall of the first cavity.

As a further improvement of the utility model: at least one second air supply hole is formed in the side wall of the second chamber.

As a further improvement of the utility model: the acid removing device is used for spraying acid removing substances into the combustion cavity.

As a further improvement of the utility model: the combustion chamber also comprises an air injection device, wherein the air injection device is used for injecting combustion-supporting gas into the combustion chamber.

As a further improvement of the utility model: the acid removal device comprises a plurality of spray heads.

As a further improvement of the utility model: the boiler further comprises a first air supply pipe and a boiler mechanism, one end of the air supply pipe is communicated with the air outlet, the other end of the first air supply pipe is communicated with the second cavity through the boiler mechanism, and the air supply pipe is used for reintroducing hot air into the second cavity.

As a further improvement of the utility model: the secondary combustion chamber is communicated with the exhaust port through a second air supply pipe.

As a further improvement of the utility model: an acid removing device is arranged in the secondary combustion chamber and is used for spraying acid removing substances into the secondary combustion chamber.

As a further improvement of the utility model: the secondary combustion chamber is provided with an air outlet which is communicated with the second chamber through a third air supply pipe.

Compared with the prior art, the utility model has the advantages that:

1. according to the garbage gasification furnace disclosed by the utility model, garbage is grabbed by the mechanical arm and enters from the feeding hole, the garbage is pushed into the second cavity through the feeding hole pushing component, the garbage rapidly slides into the second cavity along the first side wall obliquely arranged in the second cavity for combustion, when the amount of the entered garbage is increased and accumulated into clusters, the horizontal pushing component is arranged at the lower part of the second cavity and moves back and forth along the horizontal direction, so that the accumulated clusters of garbage are loosened, air is introduced into the second cavity through the first air supply pipe, the garbage is fully contacted with the air, and the curved second side wall guides air to form circulation in the second cavity, so that the garbage is fully combusted, and the problem of low combustion efficiency caused by insufficient accumulated and clustered combustion of the garbage is avoided.

2. According to the garbage gasification furnace disclosed by the utility model, garbage is combusted for the first time in the second chamber, the clustered garbage is loose and scattered and falls into the first chamber to be combusted for the second time under the pushing of the horizontal pushing component, the top loosening device is arranged at the bottom of the combustion chamber, the clustered garbage piled up at the bottom of the first chamber is lifted upwards in the vertical direction through the top loosening device, in the lifting process, the garbage is loose, and air is introduced through the second air supply pipe in the top loosening device, so that the garbage is fully contacted with the air, the garbage is promoted to be combusted more fully, and the combustion rate of the garbage is greatly improved in a two-time ventilation and combustion supporting mode.

3. According to the garbage gasification furnace disclosed by the utility model, garbage is combusted in the combustion cavity to continuously generate high-temperature smoke, and the high-temperature smoke generated in the garbage incineration process is reintroduced into the second cavity through the air supply pipe, so that the wet garbage just entering is dried, the recycling of heat energy is realized, and the energy-saving effect is good.

4. According to the garbage gasification furnace, the slag collecting cavity communicated with the first cavity is arranged below the first cavity, and after secondary combustion of garbage is completed, the slag discharging component moves back and forth along the horizontal direction to push slag into the slag collecting cavity, so that automatic cleaning of the slag is realized, and the labor intensity is greatly reduced.

Drawings

Fig. 1 is a cross-sectional view of the present utility model in a first embodiment.

Fig. 2 is a cross-sectional view of the present utility model in a second embodiment.

Legend description:

1. a first chamber; 2. a second chamber; 21. a first sidewall; 22. a second sidewall; 3. a feed inlet; 4. a horizontal pushing assembly; 41. a first air supply pipe; 5. a top loosening device; 51. a second air supply pipe; 52. a cone tip; 6. a first air supply hole; 7. a second air supply hole; 8. an acid removing device; 81. a spray header; 9. a first air supply pipe; 10. an exhaust port; 11. the feeding port pushing assembly; 12. a boiler mechanism; 13. a slag collection chamber; 14. slag discharging pushing piece; 15. a secondary combustion chamber; 16. a second air supply pipe; 17. a third air supply pipe; 18. and an air injection device.

Detailed Description

The utility model is further described below in connection with the drawings and the specific preferred embodiments, but the scope of protection of the utility model is not limited thereby.

In the description of the present utility model, it should be understood that the terms "side," "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defining "first," "second," or the like, may explicitly or implicitly include one or more such features, and in the description of the present utility model, a "plurality" means two or more, unless otherwise specifically limited.

The utility model will be described in further detail with reference to the drawings and the specific examples.

Example 1

As shown in fig. 1, this embodiment provides a garbage gasification furnace, including the combustion chamber, the combustion chamber includes first cavity 1 and second cavity 2 that communicate each other, the top of first cavity 1 is equipped with pan feeding mouth 3 and gas vent 10, the below of pan feeding mouth 3 is equipped with pan feeding mouth pushing component 11, second cavity 2 includes the first lateral wall 21 of slope arrangement and the second lateral wall 22 of arranging with first lateral wall 21 relatively, the lower part of second cavity 2 is equipped with horizontal pushing component 4, the inside of horizontal pushing component 4 is equipped with the first air supply pipe 41 with external intercommunication, horizontal pushing component 4 is used for making the garbage become flexible and provides combustion-supporting air.

In this embodiment, the first sidewall 21 is a slope with a length of about 20 meters, and the angle between the first sidewall 21 and the horizontal plane is not less than 45 degrees. The outer wall of the combustion cavity adopts a double-layer structure, is provided with a cavity, and can be ventilated into the cavity or can be ventilated with heat exchange medium.

In this embodiment, the side wall of the feeding port 3 is provided with air holes, and drying gas can be introduced into the air holes to dry the garbage.

In this embodiment, the second side wall 22 is designed to be arc-shaped.

Garbage is grabbed from the feeding hole 3 and enters through the mechanical arm, the garbage is pushed into the second chamber 2 through the feeding hole pushing component 11, the garbage rapidly slides to the second chamber 2 along the first side wall 21 which is obliquely arranged for combustion, when the amount of the entered garbage increases and is accumulated into clusters, the horizontal pushing component 4 which is arranged at the lower part of the second chamber 2 moves back and forth along the horizontal direction, so that the garbage accumulated into clusters is loosened, air is led into the first chamber 1 through the first air supply pipe 41 to enable the garbage to be fully contacted with the air, and the curved second side wall 21 enables guide gas to form circulation in the first chamber 1, so that the garbage is fully combusted, and the problem that the combustion efficiency is too low due to insufficient accumulated and clustered combustion of the garbage is avoided.

In this embodiment, the combustion chamber further includes a slag collecting chamber 13 and a slag pushing member 14 communicating with the first chamber 1, the slag pushing member 14 being reciprocated in a horizontal direction to push the burned slag into the slag collecting chamber 13. When the secondary combustion of the garbage is completed, the slag pushing piece 14 moves back and forth along the horizontal direction to push the slag into the slag collecting cavity 13, so that the automatic cleaning of the slag is realized, and the labor intensity is greatly reduced.

In this embodiment, at least one top loosening device 5 is disposed at the bottom of the combustion chamber, and the top loosening device 5 moves up and down along the vertical direction to loosen the garbage. The rubbish carries out the first burning in second cavity 2, under the promotion of horizontal pushing component 4, the loose dispersion of clustered rubbish falls into first cavity 1 and carries out the secondary combustion, pile up the rubbish of clustered rubbish along vertical direction upwards jack-up through top pine device 5 will falling into first cavity 1 bottom, the in-process of jack-up, the rubbish is not hard up, and through the leading-in air of the second air supply pipe 51 in the top pine device 5 for rubbish and air fully contact, promote rubbish more abundant burning, promoted the burn-up rate of rubbish greatly through the combustion-supporting mode of ventilation twice.

In this embodiment, the top end of the top loosening device 5 is provided with a conical tip 52. The agglomerated massive garbage can be loosened and dispersed by the up-and-down movement of the cone tip 52, which is beneficial to the full combustion of the garbage.

In this embodiment, at least one first air supply hole 6 is formed in the side wall of the first chamber 1, at least one second air supply hole 7 is formed in the side wall of the second chamber 2, the first air supply hole 6 and the second air supply hole 7 are connected with an air compressor or a fan, and air is introduced into the first chamber 1 and the second chamber 2 to facilitate full combustion of garbage.

In the embodiment, the device also comprises an acid removing device 8, wherein the acid removing device 8 is used for spraying acid removing substances (such as alkaline liquid, lime and the like) into the combustion cavity,the acid removing device 8 comprises a plurality of spray heads 81, and alkaline substances are uniformly sprayed through the plurality of spray heads 81 SO as to reduce HCL and SO generated in the garbage incineration process ₂ And the discharge of acid gas is reduced, so that the influence on the environment is reduced.

In this embodiment, the garbage incinerator further comprises an air injection device 18, and the air injection device 18 is used for injecting combustion-supporting gas into the combustion cavity, so that garbage incineration is more sufficient.

In this embodiment, the air supply device further comprises a first air supply pipe 9 and a boiler mechanism 12, one end of the first air supply pipe 9 is communicated with the air outlet 10, the other end of the first air supply pipe 9 is communicated with the second chamber 2 through the boiler mechanism 12, an air supply opening for introducing hot flue gas is formed in the first side wall 21, and the first air supply pipe 9 redirects the hot flue gas into the second chamber 2 through the air supply opening. Because the flue gas generated by the garbage incineration still has a large amount of heat, and the garbage entering from the feed inlet 3 is moist in the initial state, the high-temperature flue gas generated in the garbage incineration process is led into the boiler mechanism 12 through the first air supply pipe 9 for utilization and then is led into the second chamber 2, the quick drying of the garbage is facilitated, the recycling of heat energy is realized, and the energy-saving effect is good.

The working principle is as follows: the garbage is grabbed by the mechanical arm and enters from the feeding hole 3, the garbage is pushed into the second chamber 2 through the feeding hole pushing component 11, the garbage rapidly slides into the second chamber 2 along the first side wall 21 which is obliquely arranged for combustion, when the amount of the entered garbage is increased and piled up into clusters, the horizontal pushing component 4 which is arranged at the lower part of the second chamber 2 moves back and forth along the horizontal direction, so that the piled up clusters of garbage are loosened, air is introduced into the first chamber 1 through the first air supply pipe 41 to enable the garbage to be fully contacted with the air, the arc-shaped second side wall 22 enables the guide gas to form circulation in the first chamber 1, so that the garbage is fully combusted, the garbage is combusted for the first time in the second chamber 2, the clustered garbage is dispersed and falls into the first chamber 1 for secondary combustion under the pushing of the horizontal pushing component 4, the bottom of the combustion chamber is provided with the top loosening device 5, the garbage which falls into the bottom of the first chamber 1 is piled up along the vertical direction, the garbage is loosened in the process of jacking, the garbage is also led into the first chamber 1 through the top loosening device 5, the second air is fully contacted with the air through the second air supply pipe, and the full ventilation rate of the garbage is promoted, and the full ventilation rate of the garbage is fully increased; the slag after combustion is pushed into the slag collecting cavity 13 by the slag discharging pushing piece 14 which reciprocates along the horizontal direction, so that the automatic cleaning of the slag is realized.

Example two

As shown in fig. 2, this embodiment is substantially the same as the first embodiment except that the embodiment further includes a secondary combustion chamber 15, and the secondary combustion chamber 15 communicates with the exhaust port 10 through a second air supply pipe 16. The rubbish burns in the combustion chamber, and the combustible material that has not completely burnt probably exists in the flue gas, and the flue gas does not pass through boiler mechanism 12 and directly enters into secondary combustion chamber 15 through gas feed pipe 16 through gas vent 10, through burning the flue gas once more, can furthest burn-up the combustible material, further reduces the waste of resource.

In this embodiment, the secondary combustion chamber 15 is provided with an air outlet, the air outlet is communicated with the second chamber 2 through the third air supply pipe 17, and hot air generated by combustion in the secondary combustion chamber 15 is led into the second chamber 2 again through the third air supply pipe 17, so that heat energy recycling is realized, and the energy-saving effect is good.

In this embodiment, the secondary combustion chamber 15 is provided therein with an acid removing device 8, the acid removing device 8 is used for spraying acid removing substances (such as alkaline liquid, lime, etc.) into the secondary combustion chamber 15, and reducing HCL and SO generated in the garbage incineration process by uniformly spraying alkaline substances ₂ And the discharge of acid gas is reduced, so that the influence on the environment is reduced.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be within the scope of the utility model as set forth in the following claims.

Claims (15)

1. The utility model provides a rubbish gasifier, its characterized in that, including the burning cavity, the burning cavity is including first cavity (1) and second cavity (2) of mutual intercommunication, the top of second cavity (2) is equipped with pan feeding mouth (3) and gas vent (10), the below of pan feeding mouth (3) is equipped with pan feeding mouth pushing components (11), second cavity (2) including first lateral wall (21) and the second lateral wall (22) of arranging with first lateral wall (21) relative arrangement of slope, the lower part of second cavity (2) is equipped with horizontal pushing components (4), the inside of horizontal pushing components (4) is equipped with first air supply pipe (41) with external intercommunication, horizontal pushing components (4) are used for making rubbish become flexible and provide combustion-supporting air.

2. A waste gasifier according to claim 1, wherein the second side wall (22) is curved.

3. The waste gasifier according to claim 1, characterized in that the combustion chamber further comprises a slag collection chamber (13) in communication with the first chamber (1) and a slag removal pusher (14), the slag removal pusher (14) being reciprocally movable in a horizontal direction to push the combusted slag into the slag collection chamber (13).

4. A waste gasifier according to claim 3, characterized in that the bottom of the combustion chamber is provided with at least one or more top loosening devices (5), the top loosening devices (5) being moved up and down in a vertical direction to loosen the waste.

5. The garbage gasification furnace according to claim 4, characterized in that a second air supply pipe (51) communicated with the outside is arranged in the top loosening device (5).

6. The waste gasifier according to claim 4, characterized in that the top end of the top loosening device (5) is provided with a cone tip (52).

7. The garbage gasification furnace according to claim 1, characterized in that at least one first air supply hole (6) is formed in the side wall of the first chamber (1).

8. The garbage gasification furnace according to claim 1, characterized in that at least one second air supply hole (7) is formed on the side wall of the second chamber (2).

9. A waste gasifier according to any one of claims 1 to 8, further comprising acid removal means (8), said acid removal means (8) being arranged to inject acid removal material into the combustion chamber.

10. The waste gasifier according to any one of claims 1 to 8, further comprising a gas injection device (18), said gas injection device (18) being adapted to inject combustion-supporting gas into the combustion chamber.

11. A waste gasifier according to claim 9, characterized in that the acid removal device (8) comprises a plurality of showerheads (81).

12. A waste gasifier according to any one of claims 1 to 8, further comprising a first gas supply pipe (9) and a boiler mechanism (12), one end of the first gas supply pipe (9) being in communication with the exhaust port (10), the other end of the first gas supply pipe (9) being in communication with the second chamber (2) via the boiler mechanism (12), the first gas supply pipe (9) being for re-introducing hot gas into the second chamber (2).

13. A waste gasifier according to any one of claims 1 to 7, further comprising a secondary combustion chamber (15), said secondary combustion chamber (15) being in communication with the exhaust port (10) via a second gas supply pipe (16).

14. A waste gasifier according to claim 13, characterized in that the secondary combustion chamber (15) is provided with acid removing means (8), said acid removing means (8) being arranged to inject acid removing substances into the secondary combustion chamber (15).

15. The waste gasifier according to claim 13, characterized in that the secondary combustion chamber (15) is provided with an air outlet, which is in communication with the second chamber (2) via a third air supply pipe (17).