CN113251407A - Biomass gasification stove co-combustion device - Google Patents

Abstract

The invention discloses a mixed combustion device of a biomass gasification furnace, which belongs to the technical field of biomass combustion and comprises a combustion box, a dust cleaning mechanism, a sufficient combustion mechanism and an inlet sealing mechanism, wherein the bottom of the combustion box is provided with a mounting frame, a cylindrical combustion furnace is arranged in the combustion box, the combustion furnace is in sliding fit with the combustion box, the dust cleaning mechanism is positioned at the top of the combustion box, the moving end of the dust cleaning mechanism is connected with the combustion furnace, the sufficient combustion mechanism comprises a combustion gas transmission piece and a combustion mixing piece, the combustion mixing piece is rotationally connected to the combustion furnace, the combustion gas transmission piece is positioned at the top of the combustion box, the combustion gas transmission piece extends into the combustion furnace, and the inlet sealing mechanism is positioned at the top of the combustion box. After the combustion is finished, the combustion gas transmission piece works together with the dust cleaning mechanism to clean the dust on the inner wall of the combustion furnace so as to facilitate the next combustion of biomass.

Description

Biomass gasification stove co-combustion device

Technical Field

The invention relates to the technical field of biomass combustion, in particular to a mixed combustion device of a biomass gasification furnace.

Background

As is known, the straw gas produced by the gas furnace belongs to a green new energy source and has strong vitality. The raw materials generated by the plant gas are crop straws, forest and wood wastes, edible fungus residues, cattle, sheep and livestock manure and all combustible substances, so the plant gas is an inexhaustible renewable resource. However, among energy structures such as straw gas, natural gas, liquefied gas, biogas, solar energy, electricity, raw coal, honeycomb briquette and raw plant fuel, the straw gas is the most economical, convenient, energy-saving and most applicable, and is safe to use, clean and sanitary.

The publication No. CN112460582A patent relates to a biomass gasification furnace mixed combustion system, which comprises a base, wherein the top of the base is in threaded connection with a shell, the inner side wall of the shell is in threaded connection with a biomass gasification furnace, a reaction chamber is arranged inside the biomass gasification furnace, the inner side wall of the biomass gasification furnace is fixedly connected with a first baffle plate at the top of the reaction chamber, the inner side of the first baffle plate is in threaded connection with a first filter screen, a first groove body is respectively arranged at one side inside the shell and the biomass gasification furnace, the inner side wall of the first groove body is in sliding connection with a movable door, the biomass gasification furnace mixed combustion system enables an air pump to extract redundant heat from the biomass gasification furnace and transmit the redundant heat to a high-temperature dust removal box through a second air duct, and carries out high-temperature dust removal on smoke discharged by the biomass gasification furnace, therefore, redundant heat energy is fully utilized, waste of the heat energy is avoided, and resources are effectively utilized.

However, the above-described device has problems that firstly, a large amount of dust remains on the inner wall of the casing after the biomass is burned, the scraping effect by the screw conveyor is not good, the inner wall of the casing is piled up after a long-term use, and secondly, the burning effect is not good when the biomass is burned.

Disclosure of Invention

The embodiment of the invention provides a mixed combustion device of a biomass gasification furnace, which solves the problems in the prior art.

The embodiment of the invention adopts the following technical scheme: the utility model provides a biomass gasification stove co-combustion device, includes burning box, dust clearance mechanism, sufficient burning mechanism and entry sealing mechanism, the bottom of burning box is equipped with the mounting bracket, it fires burning furnace to be equipped with the drum formula in the burning box, fire burning furnace and burning box sliding fit, dust clearance mechanism is located the top of burning box, dust clearance mechanism's removal end with fire burning furnace and be connected, sufficient burning mechanism is including burning gas transmission spare and burning mixing element, burning mixing element rotates and connects on firing burning furnace, burning gas transmission spare is located the top of burning box and burns gas transmission spare and extend to in the burning furnace, entry sealing mechanism is located the top of burning box.

Furthermore, the dust cleaning mechanism comprises a mounting plate, a driving motor, a driving plate, a sliding plate and a driving plate, the mounting plate is vertically arranged at the top of the combustion box, the driving motor is arranged on the mounting plate, the bottom of the driving plate is connected with a main shaft of the driving motor, a driving column is arranged on the driving plate, a sliding rail is arranged on the mounting plate, the sliding plate is arranged on the sliding rail in a sliding mode, the sliding plate is in sliding fit with the combustion box and is abutted against the top of the combustion furnace, the driving plate is located at the top of the sliding plate, and a sliding groove in sliding fit with the driving column is arranged on the driving plate.

Furthermore, four compression springs which are distributed in a rectangular shape are arranged at the bottom of the combustion furnace, and two ends of each compression spring are respectively connected with the combustion furnace and the combustion box.

Furthermore, the combustion gas transmission piece comprises a blower, two gas transmission pipes and two rows of gas transmission pipe nozzles, the blower is positioned at the top of the combustion box, one ends of the two gas transmission pipes are communicated with the blower, the two rows of gas transmission pipe nozzles are symmetrically arranged on the combustion furnace, the gas outlet ends of the gas transmission pipe nozzles face the combustion furnace, and the other ends of the two gas transmission pipes are communicated with the two rows of gas transmission pipe nozzles.

Further, the burning mixing part comprises a mixing motor and a mixing auger, two ends of the mixing auger are rotatably connected to the burning furnace, and the mixing motor is positioned on the side wall of the burning furnace and is in transmission connection with the mixing auger.

Furthermore, the entrance closing mechanism comprises a feeding funnel, a closing plate and two closed electric cylinders, the feeding funnel is positioned at the top of the combustion box and communicated with the combustion furnace, the closing plate is slidably connected to the feeding funnel, the two closed electric cylinders are symmetrically arranged at the top of the combustion furnace, and the telescopic ends of the two closed electric cylinders are connected with the closing plate.

Furthermore, the bottom of the combustion furnace is provided with a waste residue discharging mechanism in sliding fit with the waste residue discharging mechanism, the waste residue discharging mechanism comprises a rotating motor, a rotating gear, a discharging door and a discharging channel, a matching groove for the discharging door to rotate is formed in the inner bottom of the combustion furnace, the rotating motor is located at the bottom of the combustion furnace, the rotating gear is located on a main shaft of the rotating motor, the discharging door is connected to the bottom of the combustion furnace in a sliding fit mode and is in sliding fit with the matching groove, a tooth groove meshed with the rotating gear is formed in the discharging door, and the discharging channel is located below the underground of the discharging door and extends out of the combustion box.

Furthermore, a chimney is vertically arranged at the top of the combustion box, and the bottom of the chimney extends into the combustion furnace.

The embodiment of the invention adopts at least one technical scheme which can achieve the following beneficial effects:

firstly, when biomass is combusted, the biomass enters the combustion furnace through the inlet closing mechanism, the combustion furnace performs combustion operation on the biomass, the biomass in the combustion furnace is turned through the operation of the combustion mixing piece during combustion, so that the biomass is combusted more fully, the combustion gas conveying piece conveys gas into the combustion furnace during operation, so that the combustion is more fully, and after the combustion is finished, the combustion gas conveying piece is matched with the dust cleaning mechanism to clean dust on the inner wall of the combustion furnace, so that the next combustion of the biomass is facilitated.

Secondly, the dust cleaning mechanism is arranged in the dust cleaning device, when dust on the inner wall of the combustion furnace is cleaned, the driving motor works to drive the driving plate to rotate so as to drive the driving column to slide in the sliding groove in the driving plate, the driving plate is enabled to move up and down on the sliding rail through the sliding plate, the top of the combustion furnace is continuously knocked, the dust on the inner wall of the combustion furnace is cleaned, next combustion operation on biomass is facilitated after the dust on the inner wall of the combustion furnace is cleaned, accumulation of a large amount of dust on the inner wall of the combustion furnace is prevented, and next combustion on the biomass is influenced.

Thirdly, when the dust on the combustion furnace is knocked, the combustion furnace is shaken through the shake of the four compression springs matched with the dust cleaning mechanism, and the dust on the inner wall of the combustion furnace is cleaned.

Fourthly, when biomass is combusted, the blower works to convey gas to the two rows of gas conveying nozzles through the two gas conveying pipes, the two rows of gas conveying nozzles convey the gas into the combustion furnace, so that combustion objects in the combustion furnace are in full contact with the air to fully combust the biomass in the combustion furnace, and after the biomass is combusted, the two rows of gas conveying nozzles convey the gas to the combustion furnace to clean dust in the combustion furnace, so that a large amount of dust on the inner wall of the fuel is prevented from influencing subsequent use.

Fifthly, when the biomass is combusted in the combustion furnace, the mixing motor works to drive the mixing auger to rotate, the mixing auger rotates to drive the biomass to be fully stirred, the biomass at the bottom of the combustion furnace is stirred, and the biomass is fully combusted.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a first schematic perspective view of the dust cleaning mechanism of the present invention;

FIG. 5 is a schematic perspective view of a second dust removing mechanism according to the present invention;

FIG. 6 is a partial perspective view of the present invention;

FIG. 7 is a schematic perspective view of a waste slag discharge mechanism according to the present invention;

reference numerals: the device comprises a combustion box 1, a mounting frame 11, a combustion furnace 12, a chimney 13, a dust cleaning mechanism 2, a mounting plate 21, a driving motor 22, a driving plate 23, a sliding plate 24, a driving disc 25, a sliding groove 26, a driving column 27, a sliding rail 28, a sufficient combustion mechanism 3, a combustion gas transmission piece 31, an air blower 311, a gas transmission pipe 312, a gas transmission pipe nozzle 313, a combustion mixing piece 32, a mixing motor 321, a mixing auger 322, an inlet closing mechanism 4, a feeding hopper 41, a closing plate 42, a closed electric cylinder 43, a waste residue discharging mechanism 5, a rotating motor 51, a rotating gear 52, a discharging door 53, a discharging channel 6 and a compression spring 7.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, a mixed combustion apparatus of a biomass gasification furnace is provided in an embodiment of the present invention, and includes a combustion box 1, a dust cleaning mechanism 2, a sufficient combustion mechanism 3, and an inlet closing mechanism 4, where a mounting frame 11 is disposed at the bottom of the combustion box 1, a cylindrical combustion furnace 12 is disposed in the combustion box 1, the combustion furnace 12 is in sliding fit with the combustion box 1, the dust cleaning mechanism 2 is located at the top of the combustion box 1, a moving end of the dust cleaning mechanism 2 is connected to the combustion furnace 12, the sufficient combustion mechanism 3 includes a combustion gas transmission member 31 and a combustion mixing member 32, the combustion mixing member 32 is rotatably connected to the combustion furnace 12, the combustion gas transmission member 31 is located at the top of the combustion box 1, the combustion gas transmission member 31 extends into the combustion furnace 12, and the inlet closing mechanism 4 is located at the top of the combustion box 1; when burning biomass, biomass gets into in burning furnace 12 through entry closing mechanism 4, it burns the operation to burn biomass to fire furnace 12, turn the biomass in burning furnace 12 through the work of burning mixing piece 32 when burning, make the biomass burning more abundant, burning gas transmission piece 31 work can make the burning more abundant with gas transport to burning furnace 12 in, burning gas transmission piece 31 cooperation dust clearance mechanism 2 work is cleared up the dust on burning furnace 12 inner wall after the burning is accomplished, so that next time the burning to biomass.

Preferably, the dust cleaning mechanism 2 comprises a mounting plate 21, a driving motor 22, a driving plate 23, a sliding plate 24 and a driving plate 25, the mounting plate 21 is vertically arranged at the top of the combustion box 1, the driving motor 22 is arranged on the mounting plate 21, the bottom of the driving plate 23 is connected with a main shaft of the driving motor 22, a driving column 27 is arranged on the driving plate 23, a sliding rail 28 is arranged on the mounting plate 21, the sliding plate 24 is arranged on the sliding rail 28 in a sliding manner, the sliding plate 24 is in sliding fit with the combustion box 1 and is abutted against the top of the combustion furnace 12, the driving plate 25 is arranged at the top of the sliding plate 24, and a sliding groove 26 in sliding fit with the driving column 27 is arranged on the driving plate 25; when clearing up the dust on the inner wall of burning furnace 12, thereby driving motor 22 work drives drive plate 23 and rotates and drive post 27 and slide in sliding tray 26 in driving-disc 25, make driving-disc 25 reciprocate on slide rail 28 through sliding plate 24, strike the top of burning furnace 12 constantly, clear up the dust on the inner wall of burning furnace 12, be favorable to next time to the burning operation to the biomass after the dust on the inner wall of burning furnace 12 is cleared up, prevent to have the piling up of a large amount of dusts on the inner wall of burning furnace 12, influence next burning to the biomass.

Preferably, four compression springs 7 are arranged at the bottom of the combustion furnace 12 in a rectangular distribution, and two ends of each compression spring 7 are respectively connected with the combustion furnace 12 and the combustion box 1; when the dust on the combustion furnace 12 is knocked, the combustion furnace 12 is shaken by the shake of the dust cleaning mechanism 2 matched with the four compression springs 7, and the dust on the inner wall of the combustion furnace 12 is cleaned.

Preferably, the combustion gas transmission piece 31 comprises a blower 311, two gas transmission pipes 312 and two rows of gas transmission nozzles 313, the blower 311 is positioned at the top of the combustion box 1, one end of each of the two gas transmission pipes 312 is communicated with the blower 311, the two rows of gas transmission nozzles 313 are symmetrically arranged on the combustion furnace 12, the gas outlet ends of the gas transmission nozzles 313 face the interior of the combustion furnace 12, and the other ends of the two gas transmission pipes 312 are communicated with the two rows of gas transmission nozzles 313; when biomass is combusted, the blower 311 works to convey gas to the two rows of gas conveying nozzles 313 through the two gas conveying pipes 312, the two rows of gas conveying nozzles 313 convey the gas into the combustion furnace 12, so that combustion objects in the combustion furnace 12 are in full contact with air, the biomass in the combustion furnace 12 is fully combusted, after the biomass is combusted, the two rows of gas conveying nozzles 313 convey the gas into the combustion furnace 12, dust in the combustion furnace 12 is cleaned, and the condition that a large amount of dust on the inner wall of fuel influences subsequent use is prevented.

Preferably, the combustion mixing part 32 comprises a mixing motor 321 and a mixing auger 322, two ends of the mixing auger 322 are rotatably connected to the combustion furnace 12, and the mixing motor 321 is located on the side wall of the combustion furnace 12 and is in transmission connection with the mixing auger 322; when biomass is combusted in the combustion furnace 12, the mixing motor 321 works to drive the mixing auger 322 to rotate, the mixing auger 322 rotates to drive the biomass to be fully stirred, the biomass at the bottom of the combustion furnace 12 is stirred, and the biomass is fully combusted.

Preferably, the inlet closing mechanism 4 comprises a feeding funnel 41, a closing plate 42 and two closed electric cylinders 43, the feeding funnel 41 is positioned at the top of the combustion box 1 and is communicated with the combustion furnace 12, the closing plate 42 is slidably connected to the feeding funnel 41, the two closed electric cylinders 43 are symmetrically arranged at the top of the combustion furnace 12, and the telescopic ends of the two closed electric cylinders 43 are connected with the closing plate 42; when combustion is carried out, harmful gas is prevented from overflowing outwards, the sealing performance of the combustion furnace 12 is also ensured, at the moment, the telescopic ends of the two closed electric cylinders 43 move to drive the closing plate 42 to move, the feeding hopper 41 is closed, and therefore the biomass combustion of the combustion furnace 12 is enabled to be more sufficient when the combustion furnace is closed.

Preferably, the bottom of the combustion furnace 12 is provided with a waste residue discharging mechanism 5 in sliding fit with the combustion furnace, the waste residue discharging mechanism 5 comprises a rotating motor 51, a rotating gear 52, a discharging door 53 and a discharging channel 6, the inner bottom of the combustion furnace 12 is provided with a matching groove for the discharging door 53 to rotate, the rotating motor 51 is positioned at the bottom of the combustion furnace 12, the rotating gear 52 is positioned on a main shaft of the rotating motor 51, the discharging door 53 is slidably connected to the bottom of the combustion furnace 12 and is in sliding fit with the matching groove, the discharging door 53 is provided with a tooth groove engaged with the rotating gear 52, and the discharging channel 6 is positioned below the discharging door 53 and extends out of the combustion box 1; after biomass combustion is completed, combustion dust is accumulated at the bottom of the combustion furnace 12, and at this time, the rotating motor 51 operates to drive the rotating gear 52 to rotate on the discharging door 53, so that the discharging door 53 is opened, and the dust is discharged outwards through the discharging channel 6.

Preferably, a chimney 13 is vertically arranged at the top of the combustion box 1, and the bottom of the chimney 13 extends into the combustion furnace 12; the chimney 13 can discharge the waste gas generated by combustion to the outside.

The working principle of the invention is as follows: when the biomass gasification furnace is used, biomass is conveyed into a fuel furnace 12 through a feeding funnel 41, the telescopic ends of two closed electric cylinders 43 move to drive a closing plate 42 to move, the feeding funnel 41 is closed, so that the biomass in the combustion furnace 12 is more fully combusted after being closed, an air blower 311 works to convey gas onto two rows of gas conveying nozzles 313 through two gas conveying pipes 312, the two rows of gas conveying nozzles 313 convey the gas into the combustion furnace 12, so that a combustion object in the combustion furnace 12 is fully contacted with air, a mixing motor 321 works to drive a mixing auger 322 to rotate, the mixing auger 322 rotates to drive the biomass to be fully stirred, the biomass at the bottom of the combustion furnace 12 is stirred, the biomass is fully combusted, the biomass in the combustion furnace 12 is fully combusted, after the biomass is combusted, the two rows of gas conveying nozzles 313 convey the gas to the combustion furnace 12, clear up the dust in burning furnace 12, thereby driving drive plate 23 rotation is driven in the work of driving motor 22 drives the drive column 27 and slides in sliding tray 26 in driving-disc 25, make driving-disc 25 reciprocate on slide rail 28 through sliding plate 24, strike the top of burning furnace 12 constantly, clear up the dust on the inner wall of burning furnace 12, be favorable to the burning operation of next time biomass after clearing up the dust on the inner wall of burning furnace 12, prevent having the piling up of a large amount of dust on the inner wall of burning furnace 12, influence next combustion to the biomass, after the completion of biomass burning, the dust of burning will pile up in the bottom of burning furnace 12, the work of motor 51 at this moment drives rotating gear 52 and rotates on discharge door 53, open discharge door 53, the dust is outwards discharged through discharging channel 6.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (8)

1. A biomass gasification furnace mixed combustion device is characterized by comprising a combustion box (1), a dust cleaning mechanism (2), a sufficient combustion mechanism (3) and an inlet closing mechanism (4), wherein the bottom of the combustion box (1) is provided with a mounting frame (11), a cylindrical combustion furnace (12) is arranged in the combustion box (1), the combustion furnace (12) is in sliding fit with the combustion box (1), the dust cleaning mechanism (2) is positioned at the top of the combustion box (1), the moving end of the dust cleaning mechanism (2) is connected with the combustion furnace (12), the sufficient combustion mechanism (3) comprises a combustion gas transmission piece (31) and a combustion mixed piece (32), the combustion mixed piece (32) is rotatably connected to the combustion furnace (12), the combustion gas transmission piece (31) is positioned at the top of the combustion box (1), and the combustion gas transmission piece (31) extends into the combustion furnace (12), the inlet closing mechanism (4) is positioned at the top of the combustion box (1).

2. The biomass gasification furnace mixed combustion device according to claim 1, characterized in that: the dust cleaning mechanism (2) comprises a mounting plate (21), a driving motor (22), a driving plate (23), a sliding plate (24) and a driving plate (25), the mounting plate (21) is vertically arranged at the top of the combustion box (1), the driving motor (22) is arranged on the mounting plate (21), the bottom of the driving plate (23) is connected with a main shaft of the driving motor (22), a driving column (27) is arranged on the driving plate (23), a sliding rail (28) is arranged on the mounting plate (21), the sliding plate (24) is arranged on the sliding rail (28) in a sliding mode, the sliding plate (24) is in sliding fit with the combustion box (1) and is abutted against the top of the combustion furnace (12), the driving plate (25) is located at the top of the sliding plate (24), and a sliding groove (26) in sliding fit with the driving column (27) is arranged on the driving plate (25).

3. The biomass gasification furnace mixed combustion device according to claim 1, characterized in that: the bottom of the combustion furnace (12) is provided with four compression springs (7) which are distributed in a rectangular shape, and two ends of each compression spring (7) are respectively connected with the combustion furnace (12) and the combustion box (1).

4. The biomass gasification furnace mixed combustion device according to claim 1, characterized in that: the combustion gas transmission piece (31) comprises a blower (311), two gas transmission pipes (312) and two rows of gas transmission nozzles (313), the blower (311) is positioned at the top of the combustion box (1), one ends of the two gas transmission pipes (312) are communicated with the blower (311), the two rows of gas transmission nozzles (313) are symmetrically arranged on the combustion furnace (12), the gas outlet ends of the gas transmission nozzles (313) face the interior of the combustion furnace (12), and the other ends of the two gas transmission pipes (312) are communicated with the two rows of gas transmission nozzles (313).

5. The biomass gasification furnace mixed combustion device according to claim 1, characterized in that: the combustion mixing part (32) comprises a mixing motor (321) and a mixing auger (322), the two ends of the mixing auger (322) are rotatably connected to the combustion furnace (12), and the mixing motor (321) is positioned on the side wall of the combustion furnace (12) and is in transmission connection with the mixing auger (322).

6. The biomass gasification furnace mixed combustion device according to claim 1, characterized in that: the inlet closing mechanism (4) comprises a feeding funnel (41), a closing plate (42) and two closed electric cylinders (43), the feeding funnel (41) is located at the top of the combustion box (1) and communicated with the combustion furnace (12), the closing plate (42) is connected to the feeding funnel (41) in a sliding mode, the two closed electric cylinders (43) are symmetrically arranged at the top of the combustion furnace (12), and the telescopic ends of the two closed electric cylinders (43) are connected with the closing plate (42).

7. The biomass gasification furnace mixed combustion device according to claim 1, characterized in that: the slag discharging mechanism (5) is arranged at the bottom of the combustion furnace (12) and is in sliding fit with the combustion furnace, the slag discharging mechanism (5) comprises a rotating motor (51), a rotating gear (52), a discharging door (53) and a discharging channel (6), a matching groove for the discharging door (53) to rotate is arranged at the inner bottom of the combustion furnace (12), the rotating motor (51) is located at the bottom of the combustion furnace (12), the rotating gear (52) is located on a main shaft of the rotating motor (51), the discharging door (53) is in sliding fit with the matching groove at the bottom of the combustion furnace (12), a tooth groove meshed with the rotating gear (52) is formed in the discharging door (53), and the discharging channel (6) is located below the discharging door (53) and extends out of the combustion box (1).

8. The biomass gasification furnace mixed combustion device according to claim 1, characterized in that: the top of the combustion box (1) is vertically provided with a chimney (13), and the bottom of the chimney (13) extends into the combustion furnace (12).

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