CN212057384U

CN212057384U - Furnace core structure

Info

Publication number: CN212057384U
Application number: CN202020702128.3U
Authority: CN
Inventors: 马海刚; 王德堂; 张鑫
Original assignee: Shandong Chiyu Environmental Protection Technology Co ltd
Current assignee: Shandong Chiyu Environmental Protection Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-01
Anticipated expiration: 2030-04-30

Abstract

The to-be-solved problem of the utility model is to provide a furnace core structure, under the condition of not dismantling the furnace body, dismantlement air distribution that can be convenient replaces, maintains or clears up. The combustion chamber air distributor comprises an air distributor and a combustion chamber upper plate, wherein the air distributor is arranged in a combustion chamber, the lower end of the air distributor is abutted against the top surface of the combustion chamber upper plate, and the air distributor comprises an annular bearing plate and a plurality of circular arc-shaped air distribution plates; the bearing plate is fixed on the side wall of the combustion chamber, the plurality of air distribution plates are spliced into an air distribution cylinder in the circumferential direction and detachably mounted on the bearing plate, and a plurality of air distribution holes are formed in the side wall of the air distribution cylinder.

Description

Furnace core structure

Technical Field

The utility model relates to a single-stove biomass combustion furnace equipment field, concretely relates to use a wick structure that uses for single-stove biomass combustion furnace.

Background

The biomass fuel is a novel clean fuel capable of being directly combusted, and is a massive environment-friendly new energy produced by processing straws, rice hulls, peanut shells, corncobs, oil tea shells, cottonseed hulls and the like and three residues, the biomass fuel is sent into a hearth in a single-stove biomass furnace to be directly combusted, and heat energy after combustion can be directly supplied to heat supply equipment such as a boiler, heating, heat treatment and the like for use. A single-stove biomass furnace in the prior art mainly comprises a furnace body, a furnace core and a feeding bin, wherein a hearth and a slag discharging and air distributing chamber are sequentially communicated from top to bottom in the furnace body, and a combustion space at the upper part of the hearth is called as a combustion chamber. The main structure of the furnace core comprises an air distributor and a combustion chamber upper plate, the air distributor is an integrated cylinder, a plurality of air distribution holes are processed on the side wall, an air distribution chamber is arranged on the outer wall of the air distributor of the furnace body, the air distribution chamber is communicated with the outside of the furnace body through an air distribution pipe, and after entering the air distribution chamber through natural air, the natural air enters the combustion chamber through the air distribution holes to carry out secondary oxygen supply, thereby ensuring the combustion of fuel components.

Because the air distributor is an integrated casting structure, the air distributor can not be taken out at will after being installed in the furnace body, the air distributor is gradually damaged and deformed along with the increase of the combustion service time, and the deformation of the air distribution holes is the most serious, thereby leading the oxygen supply effect of the combustion chamber to be poor and being not beneficial to the sufficient combustion of the biomass fuel.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a furnace core structure, under the condition of not dismantling the furnace body, dismantlement air distribution that can be convenient replaces, maintains or clears up.

The utility model discloses a realize through following technical scheme:

a furnace core structure comprises an air distributor and a combustion chamber upper plate, wherein the air distributor is arranged in a combustion chamber, the lower end of the air distributor is abutted against the top surface of the combustion chamber upper plate, and the air distributor comprises an annular bearing plate and a plurality of circular arc-shaped air distribution plates; the bearing plate is fixed on the side wall of the combustion chamber, the plurality of air distribution plates are spliced into an air distribution cylinder in the circumferential direction and detachably mounted on the bearing plate, and a plurality of air distribution holes are formed in the side wall of the air distribution cylinder.

Furthermore, the number of the air distribution plates is 3-4, the upper ends of the air distribution plates are provided with arc-shaped hanging plates extending outwards, and the bearing plate is provided with arc-shaped jacks which are in one-to-one corresponding insertion connection with the hanging plates.

Furthermore, the left side and the right side of the air distribution plate are both provided with grooves and tongues which can be mutually embedded with the sides of the adjacent air distribution plates.

The wind distribution device is characterized by further comprising a compression end ring, wherein the side wall of the compression end ring is provided with external threads, the bearing plate is provided with an internally threaded pipe orifice which is concentrically distributed, the compression end ring is installed on the internally threaded pipe orifice in a threaded manner, and the lower end face of the compression end ring is pressed on the upper end face of the wind distribution cylinder.

Furthermore, the bearing plate and the air distribution plate are made of cast iron materials.

Compared with the prior art, the utility model the beneficial effect who gains as follows:

1. the plurality of air distribution plates are spliced into an air distribution cylinder in the circumferential direction and detachably mounted on the bearing plate, and when the combustion furnace is maintained, the air distribution plates are directly detached and taken out from the combustion chamber one by one; the matching mode of the arc-shaped insertion holes and the hanging plates can more conveniently and quickly disassemble the air distribution plate along the vertical direction; by the design, the air distribution plate can be replaced, maintained or cleaned conveniently;

2. the left side and the right side of the air distribution plate are provided with the tongue-and-groove, and when the air distribution plate is spliced into an air distribution cylinder, splicing gaps are reduced, and splicing integrity is ensured;

3. the inner threaded pipe orifice is in threaded connection with the pressing end ring, and the plurality of air distribution plates are pressed on the bearing plate, so that the integral firmness in use is ensured;

4. the furnace core structure not only has stable structure, but also is convenient to disassemble and install, ensures the ventilation and oxygen supply effects of the air distributor, and reduces the cost and the loss.

Drawings

Fig. 1 is a schematic view of the air distributor of the present invention;

FIG. 2 is a schematic view of the carrier plate of the present invention;

FIG. 3 is a schematic view of the air distribution plate of the present invention;

FIG. 4 is a schematic view of the assembly of the bearing plate and the air distribution plate according to the present invention;

FIG. 5 is a diagram illustrating a state of the core structure of the present invention applied in a combustion furnace;

in the figure: 1. the air distribution device comprises an air distribution device 2, a combustion chamber upper plate 3, a bearing plate 4, an air distribution plate 5, a pressing end ring 6, an arc-shaped jack 7, a hanging plate 8, a tongue-and-groove 9 and an internal thread pipe orifice.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. The described embodiments are only some embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The embodiment discloses a stove core structure, in biomass combustion furnace finished product comes into operation, can shut down the stove and swiftly dismantle the air distribution plate, need not unpack the furnace body wholly apart, dismantles the process simple and conveniently.

The furnace core structure disclosed in this embodiment, as shown in fig. 5, includes an air distributor 1 disposed in the combustion chamber and a combustion chamber upper plate 2, and the lower end of the air distributor 1 abuts against the top surface of the combustion chamber upper plate 2. As shown in fig. 1, the air distributor 1 includes an annular carrier plate 3, three circular arc-shaped air distribution plates 4, and a pressing end ring 5. As shown in fig. 2-3, the bearing plate 3 and the air distribution plate 4 are both made of cast iron, and a plurality of air distribution holes are formed in the air distribution plate 4. The carrier plate 3 is already fixed to the combustion chamber side walls during the production of the furnace in the factory. Three arc jacks 6 are uniformly processed along the circumferential direction on the surface of the bearing plate 3, the upper end of the air distribution plate 4 is provided with an arc-shaped hanging plate 7 extending outwards, and the air distribution plate 4 is installed on the bearing plate 3 by inserting the hanging plate 7 into the arc jacks 6 from top to bottom in the design. As shown in fig. 4, when all three air distribution plates 4 are mounted on the carrier plate 3, they are spliced together to form an air distribution cylinder. In order to reduce the splicing gap between the adjacent air distribution plates 4 and ensure the integrity, the left side and the right side of each air distribution plate 4 are respectively provided with a tongue-and-groove 8 which can be mutually embedded with the side of the adjacent air distribution plate 4.

The bearing plate 3 is provided with an internally threaded pipe orifice 9 which is concentrically distributed, an external thread is processed on the side wall of the pressing end ring 5, and when the pressing end ring 5 is installed on the internally threaded pipe orifice 9 in a threaded manner, the lower end face of the pressing end ring 5 is pressed on the upper end face of the air distribution cylinder, so that the bearing plate 3 and the three air distribution plates 4 are integrally and firmly formed into the air distributor 1.

The specific use process of the furnace core structure disclosed by the embodiment is as follows:

when the air distributor is used for a period of time and needs to be maintained and checked regularly, the compression end ring is rotated and opened firstly after the combustion furnace is stopped, the air distribution plates are vertically pulled out one by one for maintenance and cleaning, and if damage is found, the spare air distribution plates are replaced in time. The difficult problem that the burning furnace that puts into service can't inspect and maintain the air distributor is solved to this embodiment, and operation process is simple and convenient simultaneously, guarantees to fire the normal work of burning furnace.

Claims

1. A furnace core structure comprises an air distributor arranged in a combustion chamber and a combustion chamber upper plate, wherein the lower end of the air distributor is propped against the top surface of the combustion chamber upper plate,

the air distributor is characterized by comprising an annular bearing plate and a plurality of circular arc-shaped air distribution plates; the bearing plate is fixed on the side wall of the combustion chamber, the plurality of air distribution plates are spliced into an air distribution cylinder in the circumferential direction and detachably mounted on the bearing plate, and a plurality of air distribution holes are formed in the side wall of the air distribution cylinder.

2. The furnace core structure of claim 1, wherein the number of the air distribution plates is 3-4, the upper ends of the air distribution plates are provided with arc-shaped hanging plates extending outwards, and the bearing plates are provided with arc-shaped insertion holes which are correspondingly inserted into the hanging plates one by one.

3. The furnace core structure of claim 2, wherein the left and right sides of the air distribution plate are provided with grooves and tongues capable of being mutually embedded with the sides of the adjacent air distribution plates.

4. The furnace core structure of claim 2, further comprising a pressing end ring, wherein the side wall of the pressing end ring is provided with external threads, the bearing plate is provided with concentrically distributed internally threaded nozzles, the pressing end ring is threadedly mounted on the internally threaded nozzles, and the lower end surface of the pressing end ring is pressed on the upper end surface of the air distribution cylinder.

5. The core structure of any one of claims 1 to 4, wherein the bearing plate and the air distribution plate are made of cast iron.