CN218345389U

CN218345389U - Negative pressure cracking incinerator with air cooling box

Info

Publication number: CN218345389U
Application number: CN202123124840.3U
Authority: CN
Inventors: 彭娜; 陈克求; 陈庆平; 姚远; 彭江艳
Original assignee: Xingjunding Technology Co Ltd
Current assignee: Xingjunding Technology Co Ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2023-01-20
Anticipated expiration: 2031-12-13

Abstract

The utility model provides a negative pressure schizolysis incinerator of taking forced air cooling case, include: the air cooling box is connected with an exhaust port of the furnace body, and the air supply device is connected with the furnace body and used for providing combustion-supporting gas for the furnace body; the air cooling box comprises a heat absorption pipe, an air inlet and an air outlet are formed in two ends of the heat absorption pipe, cold air enters the heat absorption pipe from the air inlet, absorbs heat in the heat absorption pipe and becomes hot air, and the hot air is discharged from the air outlet. The utility model discloses a setting of forced air cooling case can absorb the heat in the waste gas after the rubbish burning on the one hand for big-arch shelter heat supply, heating, stoving etc. carry out heat utilization, the increasing heat efficiency, and simultaneously, the dust content in the burning waste gas after the cooling can descend, reduces its pollution to external environment.

Description

Negative pressure cracking incinerator with air cooling box

Technical Field

The utility model relates to a msw incineration technical field especially relates to a negative pressure schizolysis incinerator of taking forced air cooling case.

Background

At present, the main method for treating the garbage is through incineration or landfill, but the incineration or the landfill still has certain influence on the environment. Landfill causes great pollution to water sources and soil and occupies a large amount of land. At present, the garbage cracking and gasifying technology is suitable for the national conditions of China, and compared with the garbage cracking and gasifying technology, the cracking and gasifying technology can generate more energy and discharge less toxic and harmful substances than the technology of burning a certain amount of garbage. However, the existing garbage treatment technology has high requirements on the moisture content of the garbage, the garbage with high moisture content needs to be dehydrated and dried firstly, and the garbage can be treated after the moisture content reaches the requirements, so that the treatment steps and the treatment time are increased. Moreover, the direct discharge of hot gas generated after the incineration of garbage can cause waste of heat and environmental pollution.

SUMMERY OF THE UTILITY MODEL

Therefore, an object of the utility model is to provide a negative pressure pyrolysis incinerator with air cooling box that can recover heat, reduce environmental pollution.

Furthermore, a layer of filter screen covers the upper end of the air cooling box, and hot air discharged from the furnace body is discharged from the filter screen after being absorbed and cooled by the heat absorption pipe.

Further, the furnace body comprises at least one cracking unit; the cracking unit comprises a stove core, a gas distribution layer and a stove wall layer which are sequentially nested from inside to outside; the stove core is of a cylindrical structure with an upper opening and a lower opening, the bottom of the stove core is provided with a grate and a combustion-supporting air pipe, and the combustion-supporting air pipe is arranged on the lower side of the grate; the upper part of the stove core is provided with a gas distribution disc; the shape of the grate is matched with that of the lower end opening of the stove core, the grate and the lower end opening of the stove core are equal in size, the gas distribution disc is positioned in the upper end opening of the stove core, and a gap is formed between the gas distribution disc and the stove core; the gas distribution layer is of a cavity structure surrounding the outer side of the stove core, one side of the gas distribution layer, which is far away from the stove core, is connected with a gas inlet, the outside of the gas inlet is connected with a gas inlet device, one side of the gas distribution layer, which faces the stove core, is connected with a gas distribution pipe, and the gas distribution pipe sprays gas distribution into the stove core along the oblique upper direction; the cracking unit further comprises a feed inlet and a feed table, the feed inlet penetrates through the gas distribution layer and the furnace wall layer and is used for communicating the furnace core with the outside, and the outer side of the furnace wall layer on the lower side of the feed inlet is connected with the feed table.

Furthermore, the cracking unit further comprises an ash storage box, the ash storage box is arranged on the lower side of the furnace bridge, and an ash outlet is formed in one side of the ash storage box.

Furthermore, the lower side of the ash storage box is also connected with a support.

Furthermore, the furnace bridge on the upper side of the combustion-supporting air pipe is connected with an ash blocking sheet.

Furthermore, the stove core is of a cylindrical structure with an upper opening and a lower opening, and the gas distribution disc is disc-shaped.

Further, the gas distribution pipes are uniformly arranged on the side wall of the gas distribution layer.

Further, the distance between two adjacent air distribution pipes is 50mm-150mm.

Furthermore, the included angle between the gas distribution pipe and the side wall of the gas distribution layer is 15-75 degrees.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a structural diagram of a negative pressure pyrolysis incinerator with an air cooling box according to an embodiment of the present invention;

FIG. 2 is a structural diagram of a furnace body and an air cooling box of a negative pressure pyrolysis incinerator with an air cooling box according to an embodiment of the present invention;

fig. 3 is a three-dimensional perspective view of a negative pressure pyrolysis incinerator with an air cooling box according to an embodiment of the present invention;

fig. 4 is a structural diagram of a furnace body of a negative pressure cracking incinerator with an air cooling box according to an embodiment of the present invention.

In the drawings are labeled:

1: a furnace body; 11: a stove core; 111: a furnace bridge; 112: a combustion-supporting air pipe; 113: a dust blocking sheet; 114: a gas distribution plate; 12: a gas distribution layer; 121: an air inlet; 122: a gas distribution pipe; 13: a furnace wall layer; 14: a feed inlet; 15: a feeding table; 16: a support; 17: a dust storage box; 2: an air cooling box; 21: a heat absorbing tube; 22: an air inlet; 23: an air outlet; 24: filtering with a screen; 3: and an air supply device.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a take negative pressure schizolysis incinerator of forced air cooling case, as shown in fig. 1 and 2, include: the furnace comprises a furnace body 1, an air cooling box 2 and an air supply device 3, wherein the air cooling box 2 is connected with an exhaust port of the furnace body 1, and the air supply device 3 is connected with the furnace body 1 and is used for providing combustion-supporting gas for the furnace body; the air cooling box 2 comprises a heat absorbing pipe 21, an air inlet 22 and an air outlet 23 are arranged at two ends of the heat absorbing pipe 21, cold air enters the heat absorbing pipe 21 from the air inlet 22, absorbs heat in the heat absorbing pipe 21 and becomes hot air, and the hot air is discharged from the air outlet 23. The utility model discloses a setting of forced air cooling case 2 can absorb the heat in the waste gas after the rubbish burning on the one hand for big-arch shelter heat supply, heating, stoving etc. carry out heat utilization, the increasing of heat efficiency, simultaneously, the dust content in the burning waste gas after the cooling can descend, reduces its pollution to external environment. Preferably, the upper end of the air cooling box 2 is covered with a layer of filter screen 24, hot air exhausted from the furnace body 1 is cooled by the heat absorption pipe 21 and then exhausted from the filter screen 24, and the filter screen 24 plays a role in filtering flue gas, so that the dust content in the exhausted flue gas can be further reduced.

In one aspect of an embodiment of the present invention, as shown in fig. 3 and 4, the furnace body 1 comprises at least one cracking unit; the cracking unit comprises a stove core 11, a gas distribution layer 12 and a stove wall layer 13 which are sequentially nested from inside to outside; the stove core 11 is a cylindrical structure with an upper opening and a lower opening, a grate 111 and a combustion-supporting air pipe 112 are arranged at the bottom of the stove core 11, and the combustion-supporting air pipe 112 is arranged at the lower side of the grate 111; the upper portion of the core 11 has a gas distribution plate 114. Wherein, the grate 111 with the shape phase-match and the size of the lower extreme open-ended of the core of a kitchen range 11 are equal, divide the gas dish 114 to be located in the upper end opening of the core of a kitchen range 11, just divide the gas dish 114 with have the gap between the core of a kitchen range 11, preferably, the core of a kitchen range 11 is the cylindric structure of upper and lower open-ended, divide the gas dish 114 to be discoid, optionally, the diameter of dividing the gas dish 114 is half of the barrel diameter of the core of a kitchen range 11. The gas distribution layer 12 is a cavity structure surrounding the outer side of the stove core 11, one side of the gas distribution layer 12, which is far away from the stove core 11, is connected with a gas inlet 121, the gas inlet 121 is externally connected with a gas inlet device, the gas inlet device can be a fan or other gas inlet equipment, one side of the gas distribution layer 12, which faces the stove core 11, is connected with a gas distribution pipe 122, the gas distribution pipe 122 sprays gas into the stove core 11 along the obliquely upper direction, preferably, the gas distribution pipe 122 is uniformly arranged on the side wall of the gas distribution layer 12, optionally, the distance between two adjacent gas distribution pipes 122 is 50mm-150mm, and the included angle between the gas distribution pipe 122 and the side wall of the gas distribution layer 12 is 15-75 degrees. The cracking unit further comprises a feed port 14 and a feed table 15, the feed port 14 penetrates through the gas distribution layer 12 and the furnace wall layer 13 to communicate the furnace core 11 with the outside, and the feed table 15 is connected to the outer side of the furnace wall layer 13 on the lower side of the feed port 14.

The utility model discloses a setting of distribution layer 12, air inlet 121 of distribution layer 12 connects fan or other air inlet equipment, utilizes distribution pipe 122 along spout the air in the oblique top towards the stove core, makes waste gas upwards discharge, forms weak vacuum in making the stove core 11, produces the negative pressure effect at feed inlet 14 and grate 111, can feed in succession and go out the ash in succession. Meanwhile, the combustion-supporting gas pipe sprays combustion-supporting gas into the stove core, the combustion-supporting gas can be combustible gas such as natural gas, coal gas and the like, the combustion of garbage with large water content is assisted, and the problem that the garbage with high water content cannot be directly treated is solved. The utility model provides a negative pressure schizolysis incinerator, refuse disposal follow living beings schizolysis gasification principle, become the combustible gas who contains CO, H2, CH4 etc. earlier rubbish organic component through pyrolysis, burn the combustible gas who produces again, and the environmental protection is effectual, and the processing procedure does not have the dioxin and produces, can be used for handling discarded objects such as agriculture and forestry wood discarded object, domestic waste, industry solid waste, mud molding material. And the heat energy can be utilized by matching with a porous stove, a boiler or a hot air box and the like.

In an aspect of the embodiment of the present invention, the cracking unit further comprises an ash storage box 17, the ash storage box 17 is disposed at the lower side of the grate 111, and one side of the ash storage box 17 has an ash outlet. The ash storage box 17 is used for containing ash of the garbage after combustion and cleaning the ash out of the ash outlet. Optionally, a support 16 is connected to the lower side of the ash storage box 17, and is used for supporting the whole negative pressure cracking incinerator.

In one aspect of the embodiment of the present invention, the ash blocking plate 113 is connected to the furnace bridge above the combustion-supporting air pipe 112. The ash blocking sheet 113 serves as an ash blocking member to prevent ash generated by burning garbage from falling into the combustion-supporting air pipe 112 and causing the combustion-supporting air pipe 112 to be blocked.

In an aspect of the embodiment of the present invention, the cracking unit has two, and two the cracking unit is disposed side by side, two the cracking unit feed inlet 14 is located on the same side. Two the schizolysis unit sets up side by side can improve msw incineration's efficiency, the simultaneous feeding operation of operating personnel of also being convenient for.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a take negative pressure schizolysis incinerator of forced air cooling case which characterized in that includes:

the furnace comprises a furnace body (1), an air cooling box (2) and an air supply device (3), wherein the air cooling box (2) is connected with an exhaust port of the furnace body (1), and the air supply device (3) is connected with the furnace body (1) and is used for providing combustion-supporting gas for the furnace body (1);

the air cooling box (2) comprises a heat absorption pipe (21), an air inlet (22) and an air outlet (23) are formed in two ends of the heat absorption pipe (21), cold air enters the heat absorption pipe (21) from the air inlet (22), absorbs heat in the heat absorption pipe (21), is changed into hot air, and is discharged from the air outlet (23).

2. The negative pressure pyrolysis incinerator with an air-cooled box according to claim 1, wherein said air-cooled box is covered with a screen (24) at its upper end, and hot air discharged from said furnace body (1) is cooled by said heat absorbing pipe (21) and discharged from said screen (24).

3. The negative pressure pyrolysis incinerator with an air cooling box according to claim 1,

the furnace body (1) comprises at least one cracking unit;

the cracking unit comprises a stove core (11), a gas distribution layer (12) and a stove wall layer (13) which are sequentially nested from inside to outside;

the stove core (11) is of a cylindrical structure with an upper opening and a lower opening, a grate (111) and a combustion-supporting air pipe (112) are arranged at the bottom of the stove core (11), and the combustion-supporting air pipe (112) is arranged on the lower side of the grate (111); the upper part of the stove core (11) is provided with a gas distribution disc (114); the shape of the grate (111) is matched with that of the lower end opening of the stove core (11) and the size of the grate is equal to that of the lower end opening of the stove core, the gas distribution disc (114) is positioned in the upper end opening of the stove core (11), and a gap is formed between the gas distribution disc (114) and the stove core (11);

the gas distribution layer (12) is of a cavity structure surrounding the outer side of the stove core (11), one side, far away from the stove core (11), of the gas distribution layer (12) is connected with a gas inlet (121), the gas inlet (121) is externally connected with a gas inlet device, one side, facing the stove core (11), of the gas distribution layer (12) is connected with a gas distribution pipe (122), and the gas distribution pipe (122) sprays gas into the stove core (11) along the obliquely upper direction;

the cracking unit further comprises a feeding hole (14) and a feeding table (15), the feeding hole (14) penetrates through the gas distribution layer (12) and the furnace wall layer, the furnace core (11) is communicated with the outside, and the outer side of the furnace wall layer on the lower side of the feeding hole (14) is connected with the feeding table (15).

4. The negative pressure pyrolysis incinerator with an air cooling box according to claim 3, characterized in that the pyrolysis unit further comprises an ash storage box (17), the ash storage box (17) is placed at the lower side of the grate (111), and one side of the ash storage box (17) is provided with an ash outlet.

5. The negative pressure pyrolysis incinerator with air cooling box according to claim 4, characterized in that a support (16) is further connected to the lower side of the ash storage box (17).

6. The negative pressure pyrolysis incinerator with an air cooling box according to claim 3, wherein an ash blocking plate (113) is connected to the grate (111) on the upper side of the combustion-supporting air pipe (112).

7. The negative pressure pyrolysis incinerator with air-cooled box according to claim 3, characterized in that said burner (11) is a cylindrical structure with upper and lower openings, and said air distributor (114) is a disc shape.

8. The negative pressure pyrolysis incinerator with air-cooled box according to any one of claims 3 to 7, characterized in that said distribution pipes (122) are arranged uniformly on the side walls of said distribution bed (12).

9. The negative pressure pyrolysis incinerator with an air cooling box according to claim 8, characterized in that the distance between two adjacent distribution pipes (122) is 50mm-150mm.

10. The negative pressure pyrolysis incinerator with air cooling box according to claim 8, characterized in that the angle between the air distribution pipe (122) and the side wall of the air distribution layer (12) is 15-75 °.