CN215062014U

CN215062014U - Sliding deslagging biomass combustion furnace

Info

Publication number: CN215062014U
Application number: CN202121299274.7U
Authority: CN
Inventors: 史绍琛; 高锋; 刘建彪; 祁志强; 蔡红珍; 姜洋
Original assignee: Zibo Energy Research Institute
Current assignee: Zibo Energy Research Institute
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-07
Anticipated expiration: 2031-06-10

Abstract

A sliding deslagging biomass combustion furnace belongs to the technical field of biomass combustion furnaces. Including furnace body (5) and setting grate (11) in furnace body (5), its characterized in that: the furnace also comprises a slag removing device arranged in the furnace body (5), wherein the slag removing part of the slag removing device is arranged at the upper side of the fire grate (11), and the slag removing device drives the slag removing part to reciprocate along the fire grate (11). This slagging-off device that slides slagging-off biomass combustion furnace can drive slagging-off portion reciprocating motion, and under the effect of slagging-off portion, less knot sediment piece is directly pulverized and through the grate discharge downwards, and great knot sediment piece is pulverized into the fritter at the in-process of slagging-off portion and grate relative motion, then through the grate downstream, can avoid the grate upside slagging-off, avoids causing the hindrance to the burning in the furnace body.

Description

Sliding deslagging biomass combustion furnace

Technical Field

A sliding deslagging biomass combustion furnace belongs to the technical field of biomass combustion furnaces.

Background

With the progress and development of society and the decreasing reserves of burning rocks such as coal, petroleum and the like, a renewable energy source is urgently needed to be sought. Biomass, one of the important energy sources on which human beings rely for survival, is the fourth largest energy source second to coal, petroleum and natural gas, and occupies an important position in an energy system. China is a big agricultural country, and a large amount of agriculture and forestry biomass is produced every year, but the utilization rate is low, and a large part of the biomass is burned on the spot or discarded in the field, so that resources are wasted, and the environment is polluted. The biomass fuel is prepared by processing agricultural and forestry biomass under certain conditions, and has the characteristics of regular shape, high density, high calorific value, low combustion pollution emission and the like.

The biomass combustion furnace takes biomass fuel as a raw material and is used as corollary equipment for heating or cooking. At the present stage, the combustion emission of part of biomass combustion furnaces does not reach the standard, and the smoke generated by incomplete combustion is discharged without secondary combustion. In addition, due to uneven technical level of biomass briquette fuel processing manufacturers, the processed pellet fuel has good quality. When poor particulate fuel is combusted, slag formation is easily caused, and subsequent combustion is hindered.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide one kind and can clear up the slagging scorification on the grate, avoid hindering the follow-up burning of furnace body slip slagging-off biomass combustion furnace.

The utility model provides a technical scheme that its technical problem adopted is: this slip slagging-off biomass combustion furnace, including the furnace body and set up the fire grate in the furnace body, its characterized in that: still including setting up the dross removal mechanism in the furnace body, dross removal mechanism's slagging-off portion sets up the upside at the fire grate, and dross removal mechanism drives slagging-off portion along fire grate reciprocating motion.

Preferably, the deslagging device comprises a comb plate and a power device, the comb plate is arranged on the upper side of the fire grate to form the deslagging part, and the power device is connected with the comb plate and drives the comb plate to reciprocate. The power device drives the comb plate to do reciprocating motion, the comb plate can disturb the slagging block, so that the small slagging block falls through the grate, the large slagging block can be crushed, and the deslagging effect is good.

Preferably, the power device is an electric push rod, and a piston rod of the electric push rod is connected with the comb plate and drives the comb plate to reciprocate. The comb plate is pushed to reciprocate by the electric push rod, so that the comb plate moves more stably.

Preferably, the comb plate include comb plate main part and broach, the equal interval in both sides of comb plate main part is provided with a plurality of broach, the broach is for being close to the slope form of comb plate main part gradually by the direction of keeping away from the fire grate. Both sides of the comb plate main body are provided with a plurality of comb teeth, so that the disturbing effect on the slag lumps is good, and the crushing effect on the large slag lumps is good.

Preferably, the furnace body further comprises a feeding device and a storage bin, a feeding hole of the feeding device is communicated with the bottom of the storage bin, and a discharging hole of the feeding device is communicated with the top of the furnace body. The feeding device sends the materials in the bin into the furnace body, so that the fuel in the furnace body is continuously combusted.

Preferably, the top of the furnace body is provided with a baffle plate, one side of the top of the furnace body is sealed by the baffle plate, a fire outlet is formed in the top of the other side of the furnace body, and the baffle plate is provided with a feeding hole. After the fuel in the furnace body is combusted, the smoke moves upwards and returns to the combustion chamber of the furnace body for secondary combustion after being blocked by the baffle, so that the smoke generated by incomplete combustion is prevented from being discharged without secondary combustion, and the environment is prevented from being polluted.

Preferably, material feeding unit include a feed cylinder, feeding motor and auger, the feed inlet of a feed cylinder communicates with the bottom of feed bin, the discharge gate and the furnace body of a feed cylinder communicate, the auger is rotatable to be set up in a feed cylinder, feeding motor links to each other with the auger to drive its rotation.

Preferably, the rotating speed of the auger is 2-4 r/min.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

this slagging-off device that slides slagging-off biomass combustion furnace can drive slagging-off portion reciprocating motion, and under the effect of slagging-off portion, less knot sediment piece is directly pulverized and through the grate discharge downwards, and great knot sediment piece is pulverized into the fritter at the in-process of slagging-off portion and grate relative motion, then through the grate downstream, can avoid the grate upside slagging-off, avoids causing the hindrance to the burning in the furnace body.

Drawings

FIG. 1 is a schematic front view of a biomass combustion furnace with sliding slag removal.

FIG. 2 is a schematic top view of a biomass burner with sliding slag removal.

FIG. 3 is a left side schematic view of a biomass combustion furnace with sliding slag removal.

FIG. 4 is a schematic plan view of the furnace body.

Fig. 5 is a schematic view of the furnace body viewed in cross section.

In the figure: 1. the device comprises a storage bin 2, a feeding barrel 3, a feeding motor 4, a baffle 401, a feeding port 5, a furnace body 6, a material baffle 7, an electric push rod 8, a connecting piece 9, a packing auger 10, a fire outlet 11, a fire grate 12, a comb plate 1201, a comb plate main body 1202, comb teeth 13, a rear partition plate 1301, an ignition port 14, an ignition rod 15, a fan 16, an upper partition plate 17 and an air inlet.

Detailed Description

Fig. 1 to 5 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 5.

The utility model provides a slide slagging-off biomass combustion furnace, includes furnace body 5 and sets up the grate 11 in furnace body 5, still includes the dross removal mechanism who sets up in furnace body 5, and dross removal unit's slagging-off portion sets up the upside at grate 11, and dross removal mechanism drives slagging-off portion along grate 11 reciprocating motion. This slagging-off device that slip slagging-off biomass combustion furnace can drive slagging-off portion reciprocating motion, and under the effect of slagging-off portion, less knot sediment piece is directly pulverized and through 11 discharge downwards of grate, and great knot sediment piece is pulverized into the fritter at the in-process of slagging-off portion and 11 relative motion of grate, then through 11 downstream of grate, can avoid 11 upside slagging scorings of grate, avoids causing the hindrance to the burning in the furnace body 5.

The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.

Specifically, the method comprises the following steps: as shown in FIGS. 1 to 3: this slide slagging-off biomass combustion furnace still includes feed bin 1 and material feeding unit, and the top of furnace body 5 is provided with baffle 4, and baffle 4 seals top one side of furnace body 5 to form fire outlet 10 at the opposite side at the top of furnace body 5, can cook through fire outlet 10. Be provided with back baffle 13, striker plate 6 and grate 11 in the furnace body 5, striker plate 6 is the cell type of opening towards furnace body 5 rear side, and back baffle 13 sets up the rear side at striker plate 6, and back baffle 13 closes the rear side of striker plate 6, and grate 11 sets up the downside at striker plate 6, and the bottom of striker plate 6 and the bottom of back baffle 13 all with 11 fixed connection of grate, form the combustion chamber in furnace body 5. The baffle 4 is provided with a feed inlet 401. The striker plate 6 is inclined from bottom to top gradually outwards, and the included angle between the striker plate 6 and the vertical surface is 50-70 degrees; the back baffle 13 is also in an inclined shape gradually far away from the striker plate 6 from bottom to top, and the included angle between the back baffle 13 and the vertical surface is also 50-70 degrees. The grate 11 is provided with a plurality of ash discharge holes, and the diameter of each ash discharge hole is 6-7.5 mm.

The feeding device is arranged on the upper side of the furnace body 5 and comprises a feeding barrel 2, an auger 9 and a feeding motor 3, the feeding barrel 2 is horizontally arranged, one end of the feeding barrel 2 is sealed, the other end of the feeding barrel is arranged on the upper side of a feed opening 401, and fuel in the feeding barrel 2 is fed into a combustion chamber of the furnace body 5 through the feed opening 401. The packing auger 9 is rotatably arranged in the feeding cylinder 2, the end part of the packing auger 9 penetrates through the closed end of the feeding cylinder 2 and extends out, and the feeding motor 3 is connected with the packing auger 9 and drives the packing auger 9 to rotate so as to feed fuel into a combustion chamber of the furnace body 5. The rotating speed of the packing auger 9 is 2-4 r/min.

Feed bin 1 sets up the upside at feed cylinder 2, and feed bin 1 is the toper that the sectional area reduces gradually from top to bottom, and the bottom of feed bin 1 communicates with the top of feed cylinder 2. The storage bin 1 can store biomass fuel, and the fuel is gradually sent into a combustion chamber of the furnace body 5 through the feeding motor 3 and the packing auger 9.

The deslagging device comprises a comb plate 12 and a power device, in the embodiment, the power device is an electric push rod 7, the comb plate 12 is slidably arranged in the combustion chamber, and the comb plate 12 is arranged on the upper side of the fire grate 11 to form a deslagging part. The electric push rod 7 is horizontally arranged at the lower side of the furnace body 5, the electric push rod 7 is connected with the comb plate 12 through the connecting piece 8 and drives the comb plate 12 to reciprocate so as to clear the clinker on the furnace grate 11. In this embodiment, the moving speed of the comb plate 12 is 2 to 6 mm/s.

As shown in FIGS. 4-5: the comb plate 12 comprises a comb plate main body 1201 and comb teeth 1202, the comb plate main body 1201 is arranged in parallel to the fire grate 11, a plurality of comb teeth 1202 are arranged on two sides of the comb plate main body 1201, and the comb teeth 1202 on the same side of the comb plate main body 1201 are uniformly distributed at intervals. The small blocks can be directly dropped through the grate 11 by disturbing the blocks with the comb 1202, and the large blocks can be dropped through the grate 11 after being crushed. The comb teeth 1202 are inclined to gradually approach the comb plate main body 1201 in a direction away from the grate 11.

The middle part of the rear partition plate 13 is provided with an ignition port 1301, an ignition rod 14 is installed on the rear partition plate 13 on one side of the ignition port 1301, and an ignition part of the ignition rod 14 is arranged opposite to the ignition port 1301.

An upper partition plate 16 is further arranged in the furnace body 5, the rear partition plate 13 is arranged at intervals with the corresponding side of the furnace body 5, an air inlet cavity is formed between the rear partition plate 13 and the furnace body 5, the upper partition plate 16 is arranged on the upper side of the rear partition plate 13 and seals the top of the air inlet cavity, a fan 15 is mounted on the upper side of the upper partition plate 16, an air outlet of the fan 15 is communicated with the air inlet cavity, and an air inlet 17 communicated with a combustion chamber is formed in the upper portion of the rear partition plate 13.

When the biomass combustion furnace with the sliding slag removal function operates, a certain amount of biomass briquette fuel is added into the bin 1, the feeding motor 3 is started, the feeding motor 3 drives the auger 9 to rotate, and the biomass briquette fuel is conveyed into the combustion chamber. After a certain time, the fan 15 is started, the ignition rod 14 is powered on, natural wind is changed into high-temperature hot wind after passing through the air inlet 17 and the ignition rod 14, and then enters the combustion chamber through the ignition port 1301 to be contacted with biomass forming granular fuel, and then the granular fuel is ignited. Subsequently, the ignition bar 14 is de-energized, and the feed motor 3 and the fan 15 continue to operate. The flame generated by combustion returns to the combustion chamber again for secondary combustion under the blocking of the baffle plate 4, and the smoke after secondary combustion is discharged through the fire outlet 10. If slagging phenomenon is generated after combustion, the electric push rod 7 is started, the electric push rod 7 pushes the comb plate 12 to reciprocate, smaller slagging lumps are directly crushed and discharged through the grate 11, and larger slagging lumps are crushed into smaller lumps under the action of reciprocating for several times and then discharged.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a slip slagging-off biomass combustion furnace, includes furnace body (5) and sets up grate (11) in furnace body (5), its characterized in that: the furnace also comprises a slag removing device arranged in the furnace body (5), wherein the slag removing part of the slag removing device is arranged at the upper side of the fire grate (11), and the slag removing device drives the slag removing part to reciprocate along the fire grate (11).

2. The biomass combustion furnace with sliding slag removal according to claim 1, wherein: the deslagging device comprises a comb plate (12) and a power device, wherein the comb plate (12) is arranged on the upper side of the fire grate (11) to form the deslagging part, and the power device is connected with the comb plate (12) and drives the comb plate (12) to reciprocate.

3. The biomass combustion furnace with sliding slag removal according to claim 2, wherein: the power device is an electric push rod, and a piston rod of the electric push rod is connected with the comb plate (12) and drives the comb plate to reciprocate.

4. The biomass combustion furnace with sliding slag removal according to claim 2 or 3, wherein: the comb plate (12) comprises a comb plate main body (1201) and comb teeth (1202), wherein the comb teeth (1202) are arranged on two sides of the comb plate main body (1201) at intervals, and the comb teeth (1202) are inclined and gradually close to the comb plate main body (1201) along the direction far away from the fire grate (11).

5. The biomass combustion furnace with sliding slag removal according to claim 1, wherein: the furnace body is characterized by further comprising a feeding device and a storage bin (1), wherein a feeding hole of the feeding device is communicated with the bottom of the storage bin (1), and a discharging hole of the feeding device is communicated with the top of the furnace body (5).

6. The biomass combustion furnace with sliding slag removal according to claim 1 or 5, wherein: the top of the furnace body (5) is provided with a baffle (4), one side of the top of the furnace body (5) is sealed by the baffle (4), a fire outlet (10) is formed in the top of the other side of the furnace body (5), and a feeding hole (401) is formed in the baffle (4).

7. The biomass combustion furnace with sliding slag removal according to claim 5, wherein: the feeding device comprises a feeding barrel (2), a feeding motor (3) and an auger (9), wherein a feeding hole of the feeding barrel (2) is communicated with the bottom of a storage bin (1), a discharging hole of the feeding barrel (2) is communicated with a furnace body (5), the auger (9) is rotatably arranged in the feeding barrel (2), and the feeding motor (3) is connected with the auger (9) and drives the feeding motor to rotate.

8. The biomass combustion furnace with sliding slag removal according to claim 7, wherein: the rotating speed of the packing auger (9) is 2-4 r/min.