CN217302807U - High-efficiency energy-saving middle-size and small-size garbage pyrolysis furnace - Google Patents

Abstract

The utility model discloses a high-efficiency energy-saving middle-size and small-size garbage pyrolyzing furnace, which comprises an inclined reciprocating grate mechanism and a secondary combustion chamber arranged on a grate; the inclined reciprocating grate mechanism comprises a grate formed by arranging and combining a plurality of grate segments in a stepped manner and a corresponding driving device; the second combustion chamber is a cavity formed by encircling a furnace arch, a fire barrier and a furnace wall, a smoke inlet channel is formed between the furnace arch and the fire barrier, and the side wall of the furnace wall is provided with an exhaust hole of the second combustion chamber; the furnace arch comprises a horizontal section and an inclined section, the furnace arch is fixed on the inner side wall of the furnace wall through one end of the horizontal section, the inclined section is arranged along the inclined direction of the fire grate and extends to the upper part of the combustion part of the fire grate, the horizontal section is provided with an ash falling hole which is communicated up and down, and the inclined bottom end of the fire grate is provided with an ash outlet; the utility model discloses a mechanical grate design builds the packing integration on the grate with second combustion chamber building by laying bricks or stones, reaches practice thrift space, nimble configuration, energy-efficient purpose.

Description

High-efficiency energy-saving middle-size and small-size garbage pyrolysis furnace

Technical Field

The utility model relates to a rubbish pyrolysis oven technical field, in particular to middle-size and small-size rubbish pyrolysis oven of energy-efficient.

Background

The treatment of domestic waste has always been the focus of the environmental protection problem in the world, and wherein adopt pyrolysis technology to be the main technique that refuse treatment adopted always, all fixed vertical kiln pyrolysis vaporization burning in the past on the market, and the gas after the pyrolysis is burnt at the whole high temperature of second combustion chamber entering, reaches the purpose of refuse incineration treatment, and the mode that pyrolysis furnace and second combustion chamber separate often takes up space great, can't accomplish energy-efficiently and not nimble enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a high-efficiency energy-saving middle-size and small-size garbage pyrolysis furnace.

The scheme of the utility model is as follows: an efficient energy-saving middle-size and small-size garbage pyrolyzing furnace comprises an inclined reciprocating grate mechanism and a secondary combustion chamber arranged above a grate; the inclined reciprocating grate mechanism comprises a grate formed by combining a plurality of grate segments in a stepped arrangement manner and a corresponding driving device; the secondary combustion chamber is a cavity formed by encircling a furnace arch, a fire-blocking wall and a furnace wall, a smoke inlet channel is formed between the furnace arch and the fire-blocking wall, and the side wall of the furnace wall is provided with an exhaust hole of the secondary combustion chamber; the fire-blocking wall is arranged on the top wall of the inner side of the furnace wall; the furnace arch comprises a horizontal section and an inclined section, the furnace arch is fixed on the inner side wall of a furnace wall through one end of the horizontal section, the inclined section is arranged along the inclined direction of the fire grate and extends to the upper part of a combustion part of the fire grate and is used for suppressing fire and pressing ash, an ash falling hole which is communicated up and down is formed in the horizontal section, an ash outlet is formed in the inclined bottom end of the fire grate, and the ash falling hole is located above the ash outlet.

Preferably, the fire grate and the corresponding driving device are both arranged on the furnace base, the fire grate is divided into a first-stage drying section, a second-stage combustion section and a third-stage combustion section from the inclined upper section to the inclined lower end, the first-stage drying section is driven by the first driving device, the second-stage combustion section is driven by the second driving device, and the third-stage combustion section is driven by the third driving device.

Preferably, the innermost layer of the wall body of the furnace wall is built by high-temperature refractory bricks, and the outer layer is sequentially wrapped by a refractory rock wool board and a perlite layer.

Preferably, the drying device further comprises a storage hopper, wherein the storage hopper is arranged above the primary drying section on the grate, and the storage hopper is internally provided with an even stirring device.

Preferably, the side wall of the furnace wall is further provided with an inspection opening, and the inspection opening penetrates into the second combustion chamber and is positioned below the exhaust hole.

Compared with the prior art, the utility model discloses there is following beneficial effect: the utility model adopts the design of mechanical fire grate, integrates the second combustion chamber masonry package on the fire grate, achieves the purposes of saving space, flexible configuration, high efficiency and energy saving, and is suitable for being popularized in the areas with low population density and less quantity of generated garbage; the grate is divided into three sections, and the first section is mainly used for drying and can prevent tempering; the design of the furnace wall and the furnace arch can play the roles of fire blocking and ash blocking, and the furnace wall structure can better preserve heat and is convenient for heat recovery.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of a part of an inclined reciprocating grate mechanism.

FIG. 3 is a schematic view of the structure of the furnace wall.

Fig. 4 is a top view of a grate portion.

In the figure: 1. an inclined reciprocating grate mechanism; 2. a second combustion chamber; 3. furnace arch; 4. a fire barrier wall; 5. a furnace wall; 51. high temperature refractory bricks; 52. refractory rock wool panels; 53. perlite layers; 6. an exhaust hole; 7. ash falling holes; 8. an ash outlet; 9. a storage hopper; 10. a furnace base; 11. a first-stage drying section; 12. a secondary combustion section; 13. a tertiary combustion section; 14. a first driving device; 15. a second driving device; 16. a third driving device; 20. and (6) inspecting the opening.

Detailed Description

As shown in fig. 1 to 4, the scheme provides a high-efficiency energy-saving small and medium sized garbage pyrolyzing furnace, which comprises an inclined reciprocating grate mechanism 1 and a secondary combustion chamber 2 arranged above the grate; the inclined reciprocating grate mechanism 1 comprises a grate formed by arranging and combining a plurality of grate segments in a stepped manner and a corresponding driving device, and the inclined reciprocating grate mechanism has the specific structure that the grate and the corresponding driving device are arranged on a grate base 10, the grate is divided into a first-stage drying section 11, a second-stage combustion section 12 and a third-stage combustion section 13 from an inclined upper section to an inclined lower end, the first-stage drying section 11 is driven by a first driving device 14, the second-stage combustion section 12 is driven by a second driving device 15, and the third-stage combustion section 13 is driven by a third driving device 16; the second combustion chamber 2 is a cavity surrounded by a furnace arch 3, a fire blocking wall 4 and a furnace wall 5, a smoke inlet channel is formed between the furnace arch 3 and the fire blocking wall 4, and the wall structure of the furnace wall 5 can be as follows: the innermost layer is built by high-temperature refractory bricks 51, and the outer layer is sequentially wrapped by refractory rock wool boards 52 and perlite layers 53, so that the effects of heat preservation and energy conservation can be achieved; the side wall of the furnace wall 5 is provided with an exhaust hole 6 of the secondary combustion chamber 2; the fire-blocking wall 4 is arranged on the top wall of the inner side of the furnace wall 5; the furnace arch 3 includes horizontal segment and slope section, and on the furnace arch 3 was fixed in the inside wall of brickwork 5 through the one end of horizontal segment, the slope section set up and extended to the top of grate combustion portion along the incline direction of grate to be used for pressing fire and pressing ash, set up the ash falling hole 7 that link up from top to bottom on the horizontal segment, the slope bottom of grate department is provided with ash hole 8, and ash falling hole 7 is located the top of ash hole 8.

Meanwhile, the utility model can also comprise a storage hopper 9, the storage hopper 9 is arranged above the primary drying section 11 on the grate, and a uniform material stirring device is arranged inside the storage hopper 9; meanwhile, the side wall of the furnace wall 5 is also provided with an inspection opening 20, and the inspection opening 20 penetrates into the second combustion chamber 2 and is positioned below the exhaust hole 6 for inspecting the working state; a burner can be arranged in the second combustion chamber 2 to play a role of supporting combustion.

The working principle is as follows: when the garbage incinerator is used, solid garbage is stored by the storage hopper, the uniform material stirring device is arranged in the storage hopper, the garbage is stirred and conveyed to a primary drying section of the grate, the primary drying section is also used for conveying, meanwhile, the preheating and drying effects on the garbage incineration are achieved by utilizing the high temperature in the hearth, the garbage enters a secondary combustion section area of the grate under the action of the first driving device, the garbage is subjected to high-temperature combustion cracking, the material is basically burnt, the garbage enters a tertiary combustion section of the grate under the action of the second driving device, the tertiary combustion section has the effects of ultrahigh-temperature combustion and ash conveying, unburned solid substances in smoke are fully combusted and cracked, and simultaneously, the ash is conveyed to an ash outlet under the action of the third driving device; harmful gas that produces among the rubbish pyrolysis process gets into the second combustion chamber through the smoke inlet channel between fire wall and the stove hunch, is equipped with the combustor in the second combustion chamber, can carry out abundant burning to harmful gas and handle, will handle the gaseous emission after accomplishing through the exhaust hole after accomplishing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above-mentioned embodiments further explain the problems, technical solutions and advantages of the present invention in detail, it should be noted that those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the present invention can also have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the present invention as claimed.

Claims (5)

1. The utility model provides a middle-size and small-size waste pyrolysis furnace of energy-efficient which characterized in that: comprises an inclined reciprocating grate mechanism (1) and a secondary combustion chamber (2) arranged above the grate; the inclined reciprocating grate mechanism (1) comprises a grate formed by arranging and combining a plurality of grate segments in a stepped manner and a corresponding driving device; the secondary combustion chamber (2) is a cavity surrounded by a furnace arch (3), a fire barrier (4) and a furnace wall (5), a smoke inlet channel is formed between the furnace arch (3) and the fire barrier (4), and the side wall of the furnace wall (5) is provided with an exhaust hole (6) of the secondary combustion chamber (2); the fire-blocking wall (4) is arranged on the top wall of the inner side of the furnace wall (5); the furnace arch (3) comprises a horizontal section and an inclined section, the furnace arch (3) is fixed on the inner side wall of a furnace wall (5) through one end of the horizontal section, the inclined section is arranged along the inclined direction of the fire grate and extends to the upper part of a combustion part of the fire grate and is used for suppressing fire and pressing ash, an ash falling hole (7) which is communicated up and down is formed in the horizontal section, an ash outlet (8) is formed in the inclined bottom end of the fire grate, and the ash falling hole (7) is located above the ash outlet (8).

2. The high-efficiency energy-saving small and medium sized garbage pyrolyzing furnace of claim 1 is characterized in that: the grate and the corresponding driving device are both installed on a furnace base (10), the grate is divided into a first-stage drying section (11), a second-stage combustion section (12) and a third-stage combustion section (13) from an inclined upper section to an inclined lower end, the first-stage drying section (11) is driven by a first driving device (14), the second-stage combustion section (12) is driven by a second driving device (15), and the third-stage combustion section (13) is driven by a third driving device (16).

3. The high-efficiency energy-saving small and medium sized garbage pyrolyzing furnace of claim 1 is characterized in that: the innermost layer of the furnace wall (5) is built by high-temperature refractory bricks (51), and the outer layer is sequentially wrapped by a refractory rock wool board (52) and a perlite layer (53).

4. The high-efficiency energy-saving small and medium sized garbage pyrolysis furnace of claim 2 is characterized in that: still include storage hopper (9), storage hopper (9) are installed in the top of the last one-level stoving section (11) of grate, storage hopper (9) inside is provided with evenly dials the material device.

5. The high-efficiency energy-saving small and medium sized garbage pyrolyzing furnace of claim 1 is characterized in that: the side wall of the furnace wall (5) is also provided with an inspection opening (20), and the inspection opening (20) penetrates into the second combustion chamber (2) and is positioned below the exhaust hole (6).

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