CN113432114A

CN113432114A - Furnace core structure

Info

Publication number: CN113432114A
Application number: CN202110914775.XA
Authority: CN
Inventors: 陈华
Original assignee: Zunyi Huaxin Packing Machinery Co ltd
Current assignee: Zunyi Huaxin Packing Machinery Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-09-24

Abstract

The invention discloses the technical field of furnaces, which comprises a furnace core outer tube, wherein the furnace core outer tube is provided with a first combustion part, a second combustion part, a material increasing part and a smoke combustion part from bottom to top, an oxygen supplementing cavity is formed among a smoke combustion tube, the furnace core outer tube, a third support plate and a fourth support plate, the side wall of the smoke combustion tube is provided with an oxygen supplementing hole, the outer wall of the furnace core outer tube is provided with an oxygen supplementing tube, and the top end of the oxygen supplementing tube is communicated with the oxygen supplementing cavity. The biomass particle combustion furnace is provided with the first combustion part and the second combustion part, biomass fuel is combusted at a plurality of positions above and below the furnace core simultaneously, so that the biomass fuel is combusted more thoroughly, the top of the outer pipe of the furnace core is provided with the smoke combustion part, smoke generated by incomplete combustion of the biomass fuel is promoted to be further combusted, the combustion efficiency of biomass particles is improved, the energy consumption conversion rate is increased, and the problem of pollution caused by discharge of the smoke to the external environment is avoided.

Description

Furnace core structure

Technical Field

The invention belongs to the technical field of combustion furnaces, and particularly relates to a furnace core structure.

Background

The biomass particle gasification furnace uses biomass particles as fuel, the biomass particle gasification furnace is provided with a furnace core, an igniter and an air supply device, the air supply device generally selects a fan, and the fan is communicated with the furnace core. The igniter extends into the core and ignites the fuel by direct heat transfer. During the use, put into the stove core with the living beings granule, the heating of some firearm is lighted the living beings granule in the stove core, starts the fan, and the wind current that the fan produced carries for living beings granule and mends oxygen, and living beings granule lights the back, closes some firearm, and the wind current that the fan produced is continuous carries for living beings granule and mends oxygen, and then realizes living beings granule's continuous burning.

In current stove core, the burning of living beings granule can not thoroughly produce a large amount of smog, need use the smoking mechanism to absorb smog, does not utilize smog on the one hand like this, leads to living beings granule's combustion efficiency to reduce, has reduced the energy consumption conversion rate, and smog discharge still pollutes the environment in addition, and is not environmental protection.

Disclosure of Invention

The present invention is directed to a furnace core structure to solve the problems of the background art.

The furnace core structure comprises a furnace core outer pipe, wherein the furnace core outer pipe is provided with a first combustion part, a second combustion part, a material increasing part and a smoke burning part from bottom to top, the first combustion part comprises a first combustion cylinder and an air guide hole formed in the side wall of the first combustion cylinder, the bottom of the first combustion cylinder is provided with a through hole, a furnace bridge is arranged in the through hole, a first supporting plate is connected between the first combustion cylinder and the bottom end of the furnace core outer pipe, a second supporting plate is connected between the top end of the first combustion cylinder and the side wall of the furnace core outer pipe, an air guide cavity is formed among the first combustion cylinder, the furnace core outer pipe, the first supporting plate and the second supporting plate, the side wall of the air guide cavity is communicated with a three-way pipe, the second combustion part comprises a second combustion cylinder and an air guide hole formed in the side wall of the second combustion cylinder, the second combustion cylinder is arranged on the second supporting plate, the top of second combustion barrel with be equipped with the deep bead between the stove core outer tube, the second combustion barrel form the ventilation chamber between stove core outer tube, second backup pad and the deep bead, the vent has been seted up in the second backup pad, the cigarette portion of burning is including setting up the cigarette section of thick bamboo of burning at the internal top of stove core outer tube, the bottom of burning the cigarette section of thick bamboo with be connected with the third backup pad between the stove core outer tube, the top of burning the cigarette section of thick bamboo with be connected with the fourth backup pad between the stove core outer tube top, form the oxygenating chamber between burning the cigarette section of thick bamboo, stove core outer tube, third backup pad and the fourth backup pad, the lateral wall of burning the cigarette section of thick bamboo is equipped with the oxygenating hole, the outer wall of stove core outer tube is equipped with oxygenating pipe, oxygenating pipe's top with oxygenating chamber intercommunication.

Preferably, the three-way pipe comprises an ignition pipe and an air inlet pipe, an igniter is arranged in the ignition pipe, the igniter extends into the first combustion cylinder, and the air inlet pipe is connected with an air blower.

Preferably, the air guide hole has a plurality of air guide holes and is annularly arranged on the side wall of the first combustion cylinder.

Preferably, the ventilation hole has a plurality and is annularly arranged on the side wall of the second combustion cylinder.

Preferably, the oxygen supplementing holes are annularly arranged on the side wall of the combustion flue tube, and the oxygen supplementing holes are provided with multiple layers.

Preferably, the outer wall of the outer tube of the furnace core is provided with two parallel support rings, and the oxygen supplementing tube is fixed between the two support rings.

Preferably, the two support rings are provided with a sliding hole in the same vertical direction, and a smoke guide pipe is connected between the two sliding holes in a sliding manner.

Preferably, the material adding part is positioned between the wind shield and the third support plate, and the material adding part comprises a material adding opening arranged on the outer tube of the furnace core.

Compared with the prior art, the invention has the beneficial effects that:

the invention mainly aims at the improvement of the furnace core, particularly, the original smoke exhaust mechanism is removed, the first combustion part and the second combustion part are arranged, biomass fuel is combusted at a plurality of positions above and below the furnace core simultaneously, particularly, the airflow is guided in through the air guide cavity and enters the first combustion cylinder from the air guide hole arranged on the first combustion cylinder, the air flow is guided in through the ventilation cavity and enters the second combustion cylinder from the ventilation hole arranged on the second combustion cylinder to realize oxygen supplementation at different positions, thereby the biomass fuel is burnt more thoroughly, the top of the outer tube of the furnace core is provided with a smoke burning part, the airflow is guided in through the oxygen supplementing tube and the oxygen supplementing cavity and enters the inside of the smoke burning tube from the oxygen supplementing hole on the smoke burning tube, thereby the smoke generated by the incomplete combustion of the biomass fuel is promoted to be further burnt, thereby improving the combustion efficiency of the biomass particles, increasing the energy consumption conversion rate and avoiding the pollution problem caused by the smoke discharged to the external environment.

Drawings

FIG. 1 is a structural view of a wick structure of the present invention;

FIG. 2 is a view A-A of FIG. 1;

FIG. 3 is a view B-B of FIG. 1;

FIG. 4 is a schematic structural view of a first combustion cylinder in a core structure of the present invention;

FIG. 5 is a cross-sectional view taken at C-C of FIG. 4;

FIG. 6 is a schematic structural view of a combustion chimney in a core structure of the furnace of the present invention;

FIG. 7 is a transverse cross-sectional view of FIG. 6;

FIG. 8 is a front view of a core outer tube of a core assembly of the present invention;

FIG. 9 is a schematic view of a second combustion can in a core structure according to the present invention;

fig. 10 is a transverse cross-sectional view of fig. 9.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the furnace core comprises a furnace core outer pipe 1, a first combustion barrel 2, an air guide hole 3, a second combustion barrel 4, an air vent 5, an oxygen supplementing pipe 6, a support ring 7, an oxygen supplementing port 8, a third support plate 9, a fourth support plate 10, a flue gas barrel 11, a first flue gas burning part 12, a second flue gas burning part 13, a wind shield 14, a second support plate 15, a ventilation opening 16, a notch 17, a furnace bridge 18, a first support plate 19, a material increasing port 20, a smoke guide pipe 21 and a three-way pipe 22.

The examples are substantially as shown in figures 1 to 3: a furnace core structure comprises a furnace core outer pipe 1, a furnace hole is arranged in the furnace core outer pipe 1, the furnace core outer pipe 1 is provided with a first combustion part, a second combustion part, a material increasing part and a smoke burning part from bottom to top, the first combustion part comprises a first combustion cylinder 2 and a plurality of air guide holes 3 arranged on the side wall of the first combustion cylinder 2, the air guide holes 3 are annularly arranged on the side wall of the first combustion cylinder 2, the bottom of the first combustion cylinder 2 is provided with a through hole, a furnace bridge 18 is arranged in the through hole, a first supporting plate 19 is connected between the first combustion cylinder 2 and the bottom end of the furnace core outer pipe 1, a second supporting plate 15 is connected between the top end of the first combustion cylinder 2 and the side wall of the furnace core outer pipe 1, an air guide cavity is formed among the first combustion cylinder 2, the furnace core outer pipe 1, the first supporting plate 19 and the second supporting plate 15, the side wall of the air guide cavity is communicated with a three-way pipe 22, the three-way pipe 22 comprises an ignition tube and an air inlet pipe, an igniter is arranged in the ignition tube, the air inlet pipe is connected with an air blower, in the embodiment, the igniter comprises an alumina ceramic ignition rod, a silicon nitride ignition rod or other electric igniters in any forms, the ignition rod is arranged in the air inlet pipe through the ignition tube arranged in the air inlet pipe, and then the biomass particles are blown to the heat generated by the ignition rod under the action of wind force through the arrangement of the air inlet hole, so that the biomass particles are ignited under the action of hot wind. Because the ignition rod is arranged in the ignition pipe, and the ignition pipe is positioned in the air inlet pipe, the risk that the service life of the ignition rod is reduced when the ignition rod is directly placed in the furnace core and is in a high-temperature environment for a long time is avoided; secondly, under the continuous action of wind power of the fan, the temperature of the whole ignition tube can be reduced, and the service life of the ignition rod can be prolonged; the outlet of the third fan is directly connected to the air inlet pipe, the air flow in the air inlet pipe, the ignition pipe and the fan are horizontal, the maximum loss of wind power is minimum, and the ignition pipe is convenient to manufacture and install.

The second combustion portion includes second combustion chamber 4 and sets up ventilation hole 5 at second combustion chamber 4 lateral wall, ventilation hole 5 has a plurality of and annular setting and is in on the lateral wall of second combustion chamber 4, second combustion chamber 4 sets up on the second backup pad 15, the top of second combustion chamber 4 with be equipped with deep bead 14 between stove core outer tube 1, second combustion chamber 4 stove core outer tube 1, form the draft chamber between second backup pad 15 and the deep bead 14, vent 16 has been seted up on the second backup pad 15, the portion of burning cigarette is including setting up the section of thick bamboo 11 of burning at stove core outer tube 1 internal top, the bottom of burning cigarette 11 with be connected with third backup pad 9 between the stove core outer tube 1, the top of burning cigarette 11 with be connected with fourth backup pad 10 between stove core outer tube 1 top, burn cigarette 11, stove core outer tube 1, Form the oxygenating chamber between third backup pad 9 and the fourth backup pad 10, the cigarette portion of burning includes first cigarette portion 12 and second cigarette portion 13, and first cigarette portion 12 includes that three-layer ring-shaped sets up a plurality of oxygenating holes on burning chimney 11 and these oxygenating holes enclose the space that forms, and second cigarette portion 13 includes that one deck ring-shaped sets up a plurality of oxygenating holes on burning chimney 11 and these oxygenating holes enclose the space that forms, and first cigarette portion 12 is located the top of second cigarette portion 13, the outer wall of stove core outer tube 1 is equipped with oxygenating pipe 6, oxygenating pipe 6's top with oxygenating chamber intercommunication. The outer wall of the furnace core outer tube 1 is provided with two parallel support rings 7, the oxygen supply tube 6 is fixed between the two support rings 7, the two support rings 7 are provided with a sliding hole in the same vertical direction, and a smoke guide tube 21 is connected between the two sliding holes in a sliding manner.

The material adding part is positioned between the wind shield 14 and the third support plate 9, and comprises a material adding opening 20 arranged on the outer tube 1 of the furnace core. The biomass fuel is conveniently put into the material adding port 20, so that the continuous heat supply of the furnace is facilitated.

In this embodiment, the core structure is formed by welding seamless steel tubes, and in other embodiments, it may be formed of materials such as high-temperature ceramics, cast iron, and cast steel.

The specific implementation process is as follows: biomass particles are loaded into a furnace hole from a material charging port 20 of a material charging part and are intercepted in a first combustion part by a furnace bridge 18, after the material charging is finished, an igniter and a blower are started to ignite the biomass particles, the air containing oxygen is blown into an air guide cavity from an air inlet pipe by the blowing, the air enters the furnace hole from an air guide hole 3 to supplement oxygen for the biomass particles and accelerate the combustion of the biomass particles, then the igniter is closed, the blower blows continuously, the air flow continuously provides oxygen for the biomass particles, and further the continuous combustion of the biomass particles is realized, and the biomass fuel is combusted simultaneously at a plurality of positions above and below a furnace core, specifically, the air flow is guided into the first combustion cylinder 2 from the air guide hole 3 arranged on the first combustion cylinder 2 through the air guide cavity, the air flow is guided into the second combustion cylinder 4 through the ventilation cavity and enters the second combustion cylinder 4 from a ventilation hole 5 arranged on the second combustion cylinder 4, realize the oxygenating of different positions to make biomass fuel burning more thorough, at the process of burning, the incomplete burning of living beings granule leads to the production of smog, and smog rises to when burning chimney 11, through the air current that lets in the tonifying hole, thereby improves oxygen content, thereby makes smog burn once more, and then improves living beings granule's combustion efficiency, increases the energy consumption conversion rate, also avoids smog to discharge and produces the problem of pollution in the external environment.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, including structural size, simple shape change (round tube to square tube, etc.), which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present invention should be determined by the content of the claims, and the description of the embodiments and the like in the specification should be used to interpret the content of the claims.

Claims

1. A wick structure, characterized by: the furnace core comprises a furnace core outer pipe, wherein the furnace core outer pipe is provided with a first combustion part, a second combustion part, a material increasing part and a smoke burning part from bottom to top, the first combustion part comprises a first combustion cylinder and an air guide hole arranged on the side wall of the first combustion cylinder, the bottom of the first combustion cylinder is provided with a through hole, a furnace bridge is arranged in the through hole, a first supporting plate is connected between the first combustion cylinder and the bottom end of the furnace core outer pipe, a second supporting plate is connected between the top end of the first combustion cylinder and the side wall of the furnace core outer pipe, an air guide cavity is formed among the first combustion cylinder, the furnace core outer pipe, the first supporting plate and the second supporting plate, the side wall of the air guide cavity is communicated with a three-way pipe, the second combustion part comprises a second combustion cylinder and an air guide hole arranged on the side wall of the second combustion cylinder, the second combustion cylinder is arranged on the second supporting plate, and a wind shield is arranged between the top end of the second combustion cylinder and the furnace core outer pipe, the second combustion cylinder form the ventilation chamber between stove core outer tube, second backup pad and the deep bead, the vent has been seted up in the second backup pad, fire cigarette portion including setting up the combustion chimney at the top in the stove core outer tube, the bottom of burning the chimney with be connected with the third backup pad between the stove core outer tube, the top of burning the chimney with be connected with the fourth backup pad between the stove core outer tube top, form the oxygenating chamber between combustion chimney, stove core outer tube, third backup pad and the fourth backup pad, the lateral wall of burning the chimney is equipped with the oxygenating hole, the outer wall of stove core outer tube is equipped with the oxygenating pipe, the top of oxygenating pipe with the oxygenating chamber intercommunication.

2. A wick structure according to claim 1, wherein: the three-way pipe comprises an ignition pipe and an air inlet pipe, an igniter is arranged in the ignition pipe, and the air inlet pipe is connected with an air blower.

3. A wick structure according to claim 2, wherein: the air guide holes are multiple and annularly arranged on the side wall of the first combustion cylinder.

4. A wick structure according to claim 2, wherein: the ventilation hole is provided with a plurality of ventilation holes and is annularly arranged on the side wall of the second combustion cylinder.

5. A wick structure according to claim 2, wherein: the oxygenating hole is provided with a plurality of and annular arrangements on the side wall of the combustion flue tube, and the oxygenating hole is provided with a plurality of layers.

6. A wick structure according to claim 1, wherein: the outer wall of the furnace core outer pipe is provided with two parallel support rings, and the oxygen supplementing pipe is fixed between the two support rings.

7. A wick structure according to claim 6, wherein: the two support rings are provided with a sliding hole in the same vertical direction, and a smoke guide pipe is connected between the two sliding holes in a sliding manner.

8. A wick structure according to claim 1, wherein: the material increasing part is positioned between the wind shield and the third supporting plate and comprises a material increasing port arranged on the outer tube of the furnace core.