CN212777379U - Sealing protection device for furnace shell, furnace shell structure and mechanical grate type garbage incinerator - Google Patents
Sealing protection device for furnace shell, furnace shell structure and mechanical grate type garbage incinerator Download PDFInfo
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- CN212777379U CN212777379U CN202021664049.4U CN202021664049U CN212777379U CN 212777379 U CN212777379 U CN 212777379U CN 202021664049 U CN202021664049 U CN 202021664049U CN 212777379 U CN212777379 U CN 212777379U
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Abstract
The utility model belongs to the technical field of waste incinerator, concretely relates to stove outer covering is with sealed protection device, stove outer covering structure, mechanical stoker formula waste incinerator. This stove outer covering is with sealed protection device includes: the air cooling fan and the sealing component are positioned above the furnace shell; wherein a cavity is formed between the sealing component and the furnace shell; and the air cooling fan is suitable for introducing cold air into the cavity to take away heat of the top furnace wall, and the purposes of sealing, protecting and cooling are achieved while no pouring material is added.
Description
Technical Field
The utility model relates to a waste incinerator technical field, concretely relates to stove outer covering is with sealed protection device, stove outer covering structure, mechanical stoker formula waste incinerator.
Background
With the continuous improvement of the living standard and the diet consumption standard of residents in China, the production amount of domestic household garbage is continuously increased, and the treatment and disposal of the household garbage at present mainly comprise garbage landfill and garbage incineration. Since landfill occupies a large amount of land and degradation efficiency is low, which causes a large amount of waste of resources, domestic waste incineration plants are in a rapidly increasing trend at present. The mechanical grate type garbage incinerator gradually becomes the mainstream in the field of garbage incineration due to the advantages of strong garbage adaptability, high incineration efficiency and the like.
In the prior art, in order to improve the heat preservation performance of the mechanical grate type garbage incinerator, the top furnace wall of the mechanical grate type garbage incinerator is designed to be heat-insulating and heat-preserving, a brick beam is hung to serve as a framework of the top furnace wall, the heat is preserved by using a hook refractory brick stacking and a refractory castable, but the temperature of a combustion section of the mechanical grate type garbage incinerator in a normal combustion process is above 1000 ℃, an overtemperature phenomenon can occur, particularly the temperature of the positions where the brick beam steel frame and an outer guard plate are hung is up to 200 ℃, the heat emitted at the positions can also heat surrounding air, hot air convection rising to the top of the incinerator is formed, the outer guard plate of the boiler along the way is heated, the external temperature of the boiler is obviously raised, and equipment is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stove outer covering is with sealed protection device, stove outer covering structure, mechanical stoker formula waste incinerator to let in cold air in to the cavity that seal assembly and stove outer covering formed through air-cooled fan, take away the heat of top brickwork.
In order to solve the technical problem, the utility model provides a stove outer covering is with sealed protection device, include: the air cooling fan and the sealing component are positioned above the furnace shell; wherein the sealing component and the furnace shell form a cavity; and the air cooling fan is suitable for introducing cold air into the cavity.
Furthermore, a plurality of brick hanging beams are arranged on the surface of the furnace shell; the seal assembly includes: the cover plate is positioned at the top of the brick hanging beam; wherein each brick hanging beam is adapted to divide the cavity into a number of airflow channels.
Furthermore, a plurality of cross beams are arranged at the top of the brick hanging beam; each beam is adapted to divide the cover plate into a number of sub-cover plates.
Furthermore, the sealing protection device for the furnace shell also comprises a hot air duct communicated with an air inlet of the air cooling fan; the hot air duct is provided with a plurality of air inlets which are connected with the corresponding air flow channels.
Further, an air outlet of the air cooling fan is connected with the air cooling channel of the furnace shell so as to inject cold air flowing through the cavity into the furnace.
In another aspect, the present invention further provides a furnace shell structure, including: the sealing protection device for the furnace shell is positioned on the top of the shell.
Further, the furnace shell further comprises: the brick hanging beam comprises a plurality of brick hanging beams arranged on the top of the shell and a plurality of cross beams arranged on the top of the brick hanging beams; wherein the brick hanging beam and the cross beam are arranged in a crossing way.
On the other hand, the utility model also provides a mechanical stoker formula waste incinerator, include: the furnace shell structure as described before.
The beneficial effects of the utility model are that, the utility model discloses a sealed protection device, stove outer covering structure, mechanical stoker formula waste incinerator are used to the stove outer covering lets in the cold air in to the cavity that seal assembly and stove outer covering formed through the air-cooled fan to take away the heat of top brickwork, reach the purpose sealed, protected, the cooling under the condition that does not increase the pouring material.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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 technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of a seal protection device for a furnace shell;
FIG. 2 is a sectional view A-A of FIG. 1;
in the figure: the furnace comprises an air cooling fan 1, an air inlet 11 of the air cooling fan 1, an air outlet 12 of the air cooling fan 1, a furnace shell 2, an air cooling channel 21, a primary fan 22, a sealing component 3, a cover plate 31, a sub-cover plate 311, a side plate 32, a cavity 4, an air flow channel 41, a brick hanging beam 5, a cross beam 6 and a hot air channel 7.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. 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.
Example 1
Mechanical stoker formula waste incinerator: the device utilizes the high-temperature oxidation to treat the household garbage, and piles the solid fuel and effectively burns the solid fuel. The solid fuel is fully mixed and moves forwards through the reciprocating motion of a multi-stage hydraulic or mechanical transmission mechanism, so that the mechanical device for drying, burning and deslagging the solid fuel is realized. The positions of brick hanging beams and the like of the mechanical grate type garbage incinerator can generate overtemperature, and the service life of equipment is influenced.
As shown in fig. 1 and 2, the present embodiment 1 provides a seal protection device for a furnace shell, including: the air cooling fan 1 and the sealing component 3 are positioned above the furnace shell 2; wherein a cavity 4 is formed between the sealing component 3 and the furnace shell 2; and the air cooling fan 1 is suitable for introducing cold air into the cavity 4.
Alternatively, referring to fig. 1, the air outlet 12 of the air cooling fan 1 is connected to the air cooling passage 21 of the furnace shell 2 to inject the cooling air flowing through the cavity 4 into the furnace. The air cooling fan can be but is not limited to an air draft air cooler, so that negative pressure is generated in each airflow channel 41 through the hot air duct 7, and the air inlet end of each airflow channel 41 sucks peripheral cold air through the negative pressure; in order to increase the air intake rate in the furnace, a primary air fan 22 may be disposed at the junction of the air-cooled channel 21 and the furnace shell. As shown by the arrow flow direction in figure 1, after cold air flows through the cavity, heat of the top furnace wall can be taken away, the cold air is heated to form hot air flow, and then the hot air flow enters the furnace through the air cooling channel to provide oxygen for combustion of garbage in the furnace, so that the combustion efficiency is improved. In addition, the cold air is heated to form hot air flow, so that the temperature difference between the hot air flow and the furnace can be reduced, and the heat loss in the furnace is further reduced.
In the sealing protection device for the furnace shell, the furnace shell structure and the mechanical stoker type garbage incinerator of embodiment 1, cold air is introduced into a cavity formed by the sealing component and the furnace shell through the air cooling fan, so that the heat of a top furnace wall can be taken away by increasing the air volume, the purposes of sealing, protecting and cooling are achieved under the condition that a pouring material for pouring heat insulation is not increased, and the situation that the top furnace wall steel frame bears the increased load and further collapses due to the increase of the thickness of a refractory pouring material can be avoided; meanwhile, cold air is heated to form hot air flow, and then enters the furnace, so that the temperature difference between the hot air flow and the furnace can be reduced, and further the heat loss in the furnace is reduced.
As an alternative embodiment of the sealing assembly.
Referring to fig. 2, a plurality of brick hanging beams 5 are arranged on the surface of the furnace shell 2; the seal assembly 3 comprises: a cover plate 31 positioned on top of the brick hanging beam 5; wherein each brick hanging beam 5 is adapted to divide the cavity 4 into a number of air flow channels 41. The brick beam hanging structure of the existing mechanical grate type garbage incinerator is fully utilized, so that cold air can be dispersed, the uniformity of furnace top cooling is improved, too much change is not needed, and the applicability of the sealing protection device for the furnace shell is improved.
Optionally, referring to fig. 2, the sealing assembly 3 further includes: side plates 32 positioned at both sides of the cover plate 31; the bottom of the side plate 32 is connected with the top surface of the furnace shell 2, so that the outer side of the brick hanging beam 5 is also provided with a corresponding airflow channel 41.
Optionally, referring to fig. 1 and 2, a plurality of cross beams 6 are arranged at the top of the brick hanging beam 5; each beam 6 is adapted to divide the cover plate 31 into several sub-cover plates 311. The split cover plate is divided by the cross beam, so that the cover plate is convenient to install and maintain, the tightness of the airflow channel is guaranteed, and the sub-cover plate with poor tightness is convenient to replace.
The sealing assembly of this embodiment sets up the apron through hanging brick roof beam top, make full use of hangs the necessity and the thickness characteristics of brick roof beam, form airflow channel, after letting in cold air, utilize the cold air that flows to form the thermal-insulated protective screen of air, both can take away the heat of top furnace wall, can improve thermal-insulated effect again, not only reduced stove outer covering heat dissipation loss, guarantee furnace wall (or bell) superhigh temperature not appear, can also avoid the danger that operation maintainer is scalded when the operation of furnace wall department. In addition, the cover plate can also cover the brick hanging beam, so that the long-time exposure corrosion of the brick hanging beam is reduced, and the leakage risk of the boiler is reduced; the cover plate can also keep the top of the furnace shell flat, thereby reducing the cleaning workload.
Further, as shown in fig. 1 and fig. 2, the sealing and protecting device for furnace shell further comprises a hot air duct 7 communicated with an air inlet 11 of the air cooling fan 1; the hot air duct 7 is provided with a plurality of air inlets for connecting with the corresponding air flow channels 41.
Optionally, the hot air duct 7 is in an asymmetric U shape, and two ends of the hot air duct are respectively connected to the airflow channel 41 and the air-cooled fan 1. The U-shaped hot air duct is convenient for gathering and dispersing air and is also convenient for mounting and connecting each part.
In the present case, the top of the mechanical stoker type waste incinerator is usually designed to be slope-shaped, so that the burnt waste residue moves downwards along the slope and is gathered. In order to increase the applicability of the sealing protection device for the furnace shell, the sealing component can be arranged along the slope surface of the furnace shell. Preferably, the flow direction of the cool air in each air flow passage is kept moving upward along a slope.
Example 2
On the basis of embodiment 1, embodiment 2 provides a furnace shell structure, which includes: the sealing protection device for the furnace shell is positioned on the top of the shell.
Further, the furnace shell further comprises: a plurality of brick hanging beams 5 arranged at the top of the shell, and a plurality of cross beams 6 arranged at the top of the brick hanging beams 5; wherein the brick hanging beam 5 and the cross beam 6 are arranged crosswise, preferably vertically crosswise.
For the specific structure and implementation process of the sealing protection device for the furnace shell, reference is made to the relevant discussion of embodiment 1, and details are not repeated here.
Example 3
On the basis of embodiment 1 or 2, this embodiment 3 provides a mechanical stoker-type waste incinerator, including: the furnace shell structure as described before.
For the concrete structure and implementation of the furnace shell structure, refer to the related discussion of embodiment 2, and are not described herein again.
To sum up, the sealed protection device, stove outer covering structure, mechanical stoker formula waste incinerator for the stove outer covering of this application lets in cold air through the air-cooled fan in to the cavity that forms between seal assembly and the stove outer covering to take away the heat of top brickwork, reach the purpose sealed, protected, cooled down under the condition that does not increase the castables.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A seal protection device for a furnace shell is characterized by comprising:
the air cooling fan and the sealing component are positioned above the furnace shell; wherein
A cavity is formed between the sealing component and the furnace shell; and
the air cooling fan is suitable for introducing cold air into the cavity.
2. The seal protection device for furnace shell according to claim 1,
a plurality of brick hanging beams are arranged on the surface of the furnace shell;
the seal assembly includes: the cover plate is positioned at the top of the brick hanging beam; wherein
Each brick hanging beam is adapted to divide the cavity into a number of airflow channels.
3. The seal protection device for the furnace shell according to claim 2,
a plurality of cross beams are arranged at the top of the brick hanging beam;
each beam is adapted to divide the cover plate into a number of sub-cover plates.
4. The seal protection device for the furnace shell according to claim 2,
the sealing protection device for the furnace shell also comprises a hot air duct communicated with an air inlet of the air cooling fan;
the hot air duct is provided with a plurality of air inlets which are connected with the corresponding air flow channels.
5. The seal protection device for furnace shell according to claim 1,
and an air outlet of the air cooling fan is connected with the air cooling channel of the furnace shell so as to inject cold air flowing through the cavity into the furnace.
6. A furnace shell structure, comprising:
a shell, a seal protection device for the furnace shell located on top of the shell and according to any of claims 1 to 5.
7. The furnace shell structure according to claim 6,
the furnace shell structure further comprises: the brick hanging beam comprises a plurality of brick hanging beams arranged on the top of the shell and a plurality of cross beams arranged on the top of the brick hanging beams; wherein
The brick hanging beam and the cross beam are arranged in a crossing way.
8. A mechanical stoker formula waste incinerator, its characterized in that includes:
the furnace shell structure of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021664049.4U CN212777379U (en) | 2020-08-11 | 2020-08-11 | Sealing protection device for furnace shell, furnace shell structure and mechanical grate type garbage incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021664049.4U CN212777379U (en) | 2020-08-11 | 2020-08-11 | Sealing protection device for furnace shell, furnace shell structure and mechanical grate type garbage incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212777379U true CN212777379U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021664049.4U Active CN212777379U (en) | 2020-08-11 | 2020-08-11 | Sealing protection device for furnace shell, furnace shell structure and mechanical grate type garbage incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212777379U (en) |
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- 2020-08-11 CN CN202021664049.4U patent/CN212777379U/en active Active
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