CN211502855U - Biomass fuel feeding device and biomass fuel furnace - Google Patents
Biomass fuel feeding device and biomass fuel furnace Download PDFInfo
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- CN211502855U CN211502855U CN201921369529.5U CN201921369529U CN211502855U CN 211502855 U CN211502855 U CN 211502855U CN 201921369529 U CN201921369529 U CN 201921369529U CN 211502855 U CN211502855 U CN 211502855U
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Abstract
The utility model provides a biomass fuel feed arrangement and biomass fuel stove belongs to the stove field. The biomass fuel feeding device comprises a hopper and a scraping component. The hopper bottom is equipped with the blanking mouth, and the lateral part has the inclined wall of guide that is the contained angle setting and extends to the blanking mouth with vertical direction. The pushing assembly comprises a rotating shaft arranged in the hopper and a plurality of shifting rods arranged at intervals along the axial direction of the rotating shaft, each shifting rod is arranged along the radial extension of the rotating shaft, the projections of two adjacent shifting rods in the radial plane of the rotating shaft form an included angle, and the shifting rods are used for pushing the biomass fuel on the guide inclined wall to the blanking port. The biomass fuel furnace comprises the biomass fuel feeding device. The utility model discloses a biomass fuel feed arrangement and biomass fuel stove only a small amount of biomass fuel and the less driving lever contact of volume, have avoided biomass fuel to be smashed and biomass fuel dies the driving lever card. Adjacent driving levers cannot be inserted into the biomass fuel at the same time, and the biomass fuel is prevented from being crushed.
Description
Technical Field
The utility model belongs to the technical field of the stove, more specifically say, relate to a biomass fuel feed arrangement and biomass fuel stove.
Background
The existing biomass fuel furnace adopts the spiral feeding mechanism to feed, and when the biomass fuel furnace is used, an operator sends the biomass fuel into the hopper, the biomass fuel falls into the spiral feeding mechanism from a blanking port at the bottom of the hopper, and a spiral rod in the spiral feeding mechanism rotates to gradually push the biomass fuel into the hearth. However, as the biomass fuel is granular, the granular biomass fuel can be crushed by the screw rod in the conveying process of the spiral feeding mechanism, so that the subsequent combustion is not facilitated, and in severe cases, the screw rod can be blocked by the biomass fuel, so that the feeding is interrupted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a biomass fuel feed arrangement and biomass fuel stove to solve the adoption spiral feeding mechanism who exists among the prior art and carry out the feeding, biomass fuel can be smashed, is unfavorable for subsequent burning, and spiral feeding mechanism still can be died by the biomass fuel card even, leads to the technical problem that the feeding was interrupted.
In order to achieve the above object, the utility model adopts the technical scheme that a biomass fuel feeding device is provided, include:
the bottom of the hopper is provided with a blanking port, and the side part of the hopper is provided with a guide inclined wall which forms an included angle with the vertical direction and extends towards the blanking port; and
the pushing assembly comprises a rotating shaft arranged in the hopper and a plurality of shifting rods arranged at intervals along the axial direction of the rotating shaft, each shifting rod is arranged in a radial extending mode of the rotating shaft and is adjacent to each other, projections of the shifting rods in the radial plane of the rotating shaft are arranged at included angles, and the shifting rods are used for shifting the biomass fuel on the guide inclined wall to the blanking port.
As another embodiment of the present application, the biomass fuel feeding device further comprises a driving motor disposed outside the hopper; and an output shaft of the driving motor is in transmission connection with the rotating shaft through a chain.
As another embodiment of this application, the bottom of hopper is equipped with the stock guide that is the contained angle setting with vertical direction, the stock guide upper end with the hopper is articulated, and the lower extreme orientation take off and move the subassembly, the stock guide is used for the biomass fuel direction take off move the subassembly with the entry in clearance between the oblique wall of guide.
As another embodiment of this application, the bottom of hopper is equipped with supporting bolt, supporting bolt with the lower extreme butt of stock guide for adjust the contained angle of stock guide and vertical direction.
During the use, through the oblique wall of guide with the biomass fuel direction blanking mouth in the hopper, when not needing the feeding, take off the pivot of moving the subassembly motionless for the epaxial driving lever of commentaries on classics forms certain resistance to the biomass fuel in the hopper, makes the natural piling up of biomass fuel, with the blanking mouth shutoff. When needs feeding, take off the pivot of moving the subassembly and rotate for during the driving lever inserts the biomass fuel in the feed bin, make biomass fuel not hard up, and stir biomass fuel along the oblique wall of guide to the blanking mouth through the rotation of driving lever, along with stirring of driving lever, biomass fuel drops in the furnace of biomass fuel stove from the blanking mouth.
The utility model provides a biomass fuel feed arrangement's beneficial effect lies in: compared with the prior art, the utility model discloses biomass fuel feed arrangement adopts the driving lever directly to stir the biomass fuel in the hopper, and on the one hand, the driving lever volume is less, and only a small amount of biomass fuel can contact with the driving lever, and on the other hand, biomass fuel is bigger in the activity space of feed bin, and these can both reduce driving lever and the extrusion of guide skew wall to biomass fuel, avoid biomass fuel to be crushed and biomass fuel dies the driving lever card. Simultaneously, the projections of two adjacent driving levers in the radial plane of pivot are the contained angle setting for in the pivot pivoted in-process, adjacent driving lever can not insert the biomass fuel simultaneously, avoids adjacent driving lever to insert simultaneously and produces too big pressure to the biomass fuel, thereby further avoids smashing the biomass fuel.
The utility model discloses another technical scheme be, a biomass fuel stove, including above arbitrary biomass fuel feed arrangement.
As another embodiment of the application, the biomass fuel furnace comprises a furnace body and a grate, wherein a cavity is formed in the furnace body, and the grate is arranged in the furnace body and divides the cavity of the furnace body into a hearth and an ash storage cavity;
the grate includes:
the fixed blocking row comprises a plurality of fixed furnace bars which are arranged at intervals, and a first-stage ash falling gap is formed between every two adjacent fixed furnace bars; and
rotate and keep off row, it is a plurality of including a plurality of interval arrangements's rotation fire bars and connection the rotation portion of rotating the fire bars, it is a plurality of the interval direction of fixed fire bars is with a plurality of the interval direction of rotating the fire bars is the same, the rotation axial of rotation portion is with a plurality of the interval direction of rotating the fire bars is the same, the rotation portion be used for with it puts into or puts out to rotate the fire bars the one-level ash clearance that falls, it is located to rotate the fire bars the one-level ash clearance that falls will under the state in the one-level ash clearance that falls separate for the second grade ash clearance that falls.
As another embodiment of the present application, the rotating portion includes:
the rotary cross rod is arranged at the bottom of the hearth in a rotating mode, and the rotary fire bars are arranged on the rotary cross rod along the radial direction of the rotary cross rod.
As another embodiment of the present application, the rotating cross bar is located above the fixed gear row; one end of the rotating fire bar is connected with the rotating cross rod, and the other end of the rotating fire bar faces towards the fixed baffle row and is bent and tilted.
As another embodiment of the present application, the plurality of rotary fire bars are divided into two groups respectively disposed at both sides of the rotary cross bar.
As another embodiment of the present application, the fixed gear row is provided with a plurality of fixed gear rows at intervals along the radial direction of the fixed cross bar, and one of the rotary gear rows is provided between two adjacent fixed gear rows.
The utility model provides a biomass fuel stove's beneficial effect is the same with above-mentioned biomass fuel feed arrangement's beneficial effect, no longer gives unnecessary details here.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a front view of a biomass fuel furnace provided with a biomass fuel feeding device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the biomass fuel feed assembly of FIG. 1;
FIG. 3 is a top view of the internal structure of the hopper of the biomass fuel feeding device of FIG. 2;
fig. 4 is a cross-sectional view of a biomass fuel feeding device according to another embodiment of the present invention;
FIG. 5 is a top view of the internal structure of the hopper of the biomass fuel feeding device in FIG. 4;
FIG. 6 is a top view of the grate of FIG. 1;
FIG. 7 is a cross-sectional view taken at A-A of FIG. 6;
FIG. 8 is a top view of the grate of FIG. 6 after the rotating grate has rotated;
FIG. 9 is a cross-sectional view taken at B-B of FIG. 8;
fig. 10 is a top view of a grate of a biomass fuel furnace according to yet another embodiment of the present invention;
fig. 11 is a cross-sectional view at C-C in fig. 10.
Wherein, in the figures, the respective reference numerals:
1-a hopper; 11-a blanking port; 12-a material guiding inclined wall; 2-pulling the assembly; 21-a rotating shaft; 22-a deflector rod; 3-driving a motor; 4-a material guide plate; 5-a support bolt; 6-furnace body; 61-hearth; 62-ash storage cavity; 7-a grate; 71-fixed gear row; 711-fixed cross bar; 712-fixed grate bars; 713-first order ash falling gap; 72-rotating gear row; 721-rotating the crossbar; 722-rotating the grate bar; 723-secondary ash falling gap.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, a biomass fuel feeding device according to an embodiment of the present invention will be described. The biomass fuel feeding device comprises a hopper 1 and a scraping assembly 2.
The bottom of the hopper 1 is provided with a blanking port 11, and the side part is provided with a guide inclined wall 12 which is arranged at an included angle with the vertical direction and extends towards the blanking port 11. The pushing assembly 2 comprises a rotating shaft 21 arranged in the hopper 1 and a plurality of shifting rods 22 arranged at intervals along the axial direction of the rotating shaft 21, each shifting rod 22 is arranged along the radial extension of the rotating shaft 21, the projections of two adjacent shifting rods 22 in the radial plane of the rotating shaft 21 form an included angle, and the shifting rods 22 are used for pushing the biomass fuel on the guide inclined wall 12 to the blanking port 11.
During the use, through the oblique wall 12 of guide with the biomass fuel direction blanking mouth 11 in the hopper 1, when not needing the feeding, take off the pivot 21 of moving subassembly 2 motionless for driving lever 22 on the pivot 21 forms certain resistance to the biomass fuel in the hopper 1, makes the natural piling up of biomass fuel, with the blanking mouth 11 shutoff. When the feeding is needed, the rotating shaft 21 of the pushing assembly 2 rotates, so that the shifting lever 22 is inserted into the biomass fuel in the storage bin, the biomass fuel is loosened, the biomass fuel is shifted to the blanking port 11 along the guide inclined wall 12 through the rotation of the shifting lever 22, and along with the shifting of the shifting lever 22, the biomass fuel falls into the hearth 61 of the biomass fuel furnace from the blanking port 11.
Compared with the prior art, the utility model discloses biomass fuel feed arrangement adopts driving lever 22 directly to stir the biomass fuel in the hopper 1, and on the one hand, driving lever 22 volume is less, and only a small amount of biomass fuel can contact with driving lever 22, and on the other hand, biomass fuel's activity space in the feed bin is bigger, and these can both reduce driving lever 22 and the extrusion of guide skew wall 12 to biomass fuel, avoid biomass fuel to be smashed and biomass fuel to die with driving lever 22 card. Meanwhile, the projections of the two adjacent shift levers 22 in the radial plane of the rotating shaft 21 form an included angle, so that in the rotating process of the rotating shaft 21, the adjacent shift levers 22 cannot be inserted into the biomass fuel at the same time, and the phenomenon that the adjacent shift levers 22 are inserted into the biomass fuel at the same time to generate overlarge pressure is avoided, so that the biomass fuel is further prevented from being crushed.
Specifically, the hopper 1 is internally provided with a cavity for containing biomass fuel, the upper part of the hopper 1 is rectangular, and the top surface of the upper part of the hopper 1 is a cover plate. Hopper 1 lower part is oblique four pyramid shape, and open the forming blanking mouth 11 in the bottommost end of hopper 1 lower part, and hopper 1 lower part is the oblique wall 12 of guide with the great lateral wall of vertical direction contained angle. During installation, the hopper 1 is installed on one side of the furnace body 6, the lower part of the hopper 1 is close to the furnace body 6 to incline, so that the blanking port 11 is in butt joint with the feeding pipe of the furnace body 6, and the biomass fuel in the hopper 1 is guided to the feeding pipe through the blanking port 11 by the guide inclined wall 12.
The rotating shaft 21 of the raking component 2 is parallel to the material guiding inclined wall 12, and two ends of the rotating shaft 21 of the raking component 2 are respectively installed on the other two side walls of the lower part of the hopper 1 through bearings. A plurality of shift levers 22 are distributed along the axial direction of the rotating shaft 21 of the scraping component 2, and the projections of two adjacent shift levers 22 in the radial plane of the rotating shaft 21 form an included angle, so that the plurality of shift levers 22 are radially arranged around the rotating shaft 21 of the scraping component 2 when viewed in the axial direction of the rotating shaft 21 of the scraping component 2. More specifically, the number of the levers 22 may be three, and the three levers 22 are evenly distributed around the rotating shaft 21.
Referring to fig. 1, as a specific embodiment of the biomass fuel feeding device provided by the present invention, the biomass fuel feeding device further includes a driving motor 3 disposed outside the hopper 1; the output shaft of the driving motor 3 is connected with the rotating shaft 21 through chain transmission. The electric control system can control the rotation of the rotating shaft 21 of the pushing component 2 through the driving motor 3, so as to realize automatic control.
Specifically, the driving motor 3 is installed on the outer side of the material guide inclined wall 12 of the hopper 1, the output shaft of the driving motor 3 is provided with a first chain wheel, one end of the rotating shaft 21 of the raking component 2 is provided with a second chain wheel, and the first chain wheel and the second chain wheel are sleeved with a chain, so that the output shaft of the driving motor 3 is connected with the rotating shaft 21 through chain transmission. More specifically, the number of teeth of first sprocket is greater than the number of teeth of second sprocket for chain drive can have certain deceleration, reduces to take off the rotational speed of moving subassembly 2, avoids taking off and moves subassembly 2 and smash biomass fuel.
Please refer to fig. 4 and fig. 5 together, as a specific embodiment of the biomass fuel feeding device provided by the present invention, the bottom of the hopper 1 is provided with a guiding plate 4 disposed at an included angle with the vertical direction, the upper end of the guiding plate 4 is hinged to the hopper 1, the lower end of the guiding plate faces the pushing assembly 2, and the guiding plate 4 is used for guiding the biomass fuel to push the entrance of the gap between the pushing assembly 2 and the guiding inclined wall 12. Through rotating the stock guide 4, adjust the contained angle of stock guide 4 and vertical direction, and then the gliding speed in clearance between adjustment hopper 1 interior biomass fuel is followed stock guide 4 to pushing away subassembly 2 and the oblique wall 12 of guide to quick adjustment blanking mouth 11 biomass fuel's feed rate.
Specifically, the material guiding plate 4 is a flat plate disposed along the material guiding inclined wall 12, and the material guiding plate 4 is located on a side of the raking assembly 2 away from the blanking port 11. The upper end of the material guiding plate 4 is hinged on the material guiding inclined wall 12, and the arrow in fig. 4 shows the swinging direction of the lower end of the material guiding plate 4. During the use, 4 lower extremes of stock guide upwards swings for the contained angle grow of stock guide 4 and vertical direction, thereby slow down biomass fuel along 4 gliding speeds of stock guide, 4 lower extremes of stock guide swing downwards, make the contained angle of stock guide 4 and vertical direction diminish, thereby accelerate biomass fuel along 4 gliding speeds of stock guide.
Referring to fig. 4 and 5, as a specific embodiment of the biomass fuel feeding device of the present invention, a supporting bolt 5 is disposed at the bottom of the hopper 1, and the supporting bolt 5 abuts against the lower end of the material guiding plate 4 for adjusting an included angle between the material guiding plate 4 and the vertical direction.
Specifically, the supporting bolt 5 is connected to the material guiding inclined wall 12 in a threaded manner, the bolt cap of the supporting bolt is exposed outside the hopper 1, and the tail end of the bolt rod supports the lower end of the material guiding plate 4. By screwing the supporting bolt 5, the bolt rod of the supporting bolt 5 drives the lower end of the material guide plate 4 to be close to or far away from the material guide inclined wall 12, so that the included angle between the material guide plate 4 and the vertical direction is changed.
Referring to fig. 1 to 11 together, a biomass fuel furnace according to an embodiment of the present invention will be described. A biomass fuel furnace comprises the biomass fuel feeding device.
Compared with the prior art, the utility model discloses biomass fuel furnace adopts foretell biomass fuel feed arrangement, directly stirs the biomass fuel in the hopper 1 through driving lever 22, and on the one hand, driving lever 22 is small, and only a small amount of biomass fuel can contact with driving lever 22, and on the other hand, biomass fuel is bigger in the activity space in the feed bin, and these can both reduce driving lever 22 and guide skew wall 12 to biomass fuel's extrusion, avoid biomass fuel to be smashed and biomass fuel dies driving lever 22 card. Meanwhile, the projections of the two adjacent shift levers 22 in the radial plane of the rotating shaft 21 form an included angle, so that in the rotating process of the rotating shaft 21, the adjacent shift levers 22 cannot be inserted into the biomass fuel at the same time, and the phenomenon that the adjacent shift levers 22 are inserted into the biomass fuel at the same time to generate overlarge pressure is avoided, so that the biomass fuel is further prevented from being crushed.
Referring to fig. 6 to 11, as a specific embodiment of the biomass fuel furnace provided by the present invention, the biomass fuel furnace includes a furnace body 6 having a cavity therein and a grate 7 disposed in the furnace body 6 and dividing the cavity of the furnace body 6 into a furnace chamber 61 and an ash storage chamber 62. The grate 7 comprises a fixed row 71 and a rotating row 72.
The fixed grate 71 includes a plurality of fixed grate bars 712 arranged at intervals, and a first-stage ash falling gap 713 is formed between every two adjacent fixed grate bars 712.
The rotating baffle row 72 comprises a plurality of rotating furnace bars 722 arranged at intervals and a rotating part connected with the plurality of rotating furnace bars 722, the spacing direction of the plurality of fixed furnace bars 712 is the same as the spacing direction of the plurality of rotating furnace bars 722, the rotating axial direction of the rotating part is the same as the spacing direction of the plurality of rotating furnace bars 722, the rotating part is used for swinging the rotating furnace bars 722 into or out of the primary ash falling gap 713, and the rotating furnace bars 722 divide the primary ash falling gap 713 into a secondary ash falling gap 723 in a state of being positioned in the primary ash falling gap 713.
When the biomass fuel furnace of the embodiment of the utility model is in normal use, the rotating furnace bars 722 are placed into the first-level ash falling gap 713 through the rotating part, so that the rotating grate bar 722 divides the primary ash falling gap 713 into the secondary ash falling gaps 723 and the rotating grate bar 722 is positioned between the adjacent two fixed grate bars 712 and divides the primary ash falling gap 713 into the secondary ash falling gaps 723, so that the grate 7 can support the fuel with smaller particles in the hearth 61, and after slag appears in the hearth 61, the rotating grate bar 722 may be swung out of the primary drop gap 713, so that the two secondary drop gaps 723 merge into a wider primary drop gap 713, therefore, larger furnace slag falls from the first-level ash falling gap 713, fuel can be continuously combusted on the fixed baffle row 71 in the process, the normal use of the biomass fuel furnace is not influenced, the slag removing operation is simple and convenient, and the labor intensity of operators is reduced.
In addition, the biomass fuel furnace provided by the embodiment of the present invention can also divide the first-level ash falling gap 713 into the second-level ash falling gap 723 by rotating the fire bars 722, so that the biomass fuel furnace is suitable for burning fuel with smaller particles; the biomass fuel furnace is adapted for combustion of larger particle fuels by swinging the rotating grate 722 out of the primary ash falling gap 713 such that the two secondary ash falling gaps 723 merge into a wider primary ash falling gap 713. Specifically, the width of the primary ash falling gap 713 may be set to be suitable for larger biomass briquette combustion and the width of the secondary ash falling gap 723 may be set to be suitable for smaller biomass particle combustion.
Specifically, the biomass fuel furnace includes a furnace body 6 with a cavity inside, the fire grate 7 is horizontally disposed in the cavity of the furnace body 6 and divides the cavity of the furnace body 6 into an upper furnace chamber 61 and a lower ash storage chamber 62, the rotary blocking row 72 and the fixed blocking row 71 may be respectively fixed on the side wall of the furnace body 6, and the rotary blocking row and the fixed blocking row are disposed side by side to support the fuel in the furnace chamber 61. The furnace body 6 is also provided with a furnace mouth communicated with the hearth 61, and a gasification tank is arranged in the furnace mouth and used for leading out the combustible gas formed by incomplete combustion of the biomass fuel in the hearth 61 from the furnace mouth. The furnace body 6 is also provided with a feed pipe, one end of which is inserted into the hearth 61 and extends onto the fire grate 7 for guiding the biomass fuel onto the fire grate 7.
The fixed grate 71 is provided with a plurality of fixed furnace bars 712, a plurality of primary ash falling gaps 713 are formed between the fixed furnace bars 712, and more specifically, the width of the primary ash falling gaps 713 may be set to be suitable for larger biomass briquette combustion. The rotary grate 72 comprises a plurality of rotary bars 722 side by side, the rotary bars 722 and the fixed bars 712 being arranged alternately, each rotary bar 722 being located between two adjacent fixed bars 712. Specifically, the insertion of the rotating grate bar 722 into the primary ash falling gap 713 divides it into a secondary ash falling gap 723 having a smaller width, and more specifically, the width of the secondary ash falling gap 723 may be set to be suitable for smaller biomass particle combustion.
Referring to fig. 6 to 11, as an embodiment of the biomass fuel furnace of the present invention, the rotating portion includes a rotating cross bar 721. The rotating cross bar 721 is arranged at the bottom of the furnace 61 for rotation, and the rotating fire bars 722 are arranged on the rotating cross bar 721 along the radial direction of the rotating cross bar 721.
Specifically, the rotating cross bar 721 is a long straight bar, and both ends thereof are rotatably connected to the furnace wall of the furnace body 6, respectively. The rotating grate bar 722 is a long straight bar and is welded vertically to the side of the rotating cross bar 721. One end of the rotating cross bar 721 may extend out of the furnace body 6 for controlling the rotation of the rotating fire bars 722. The end of the rotating cross rod 721 penetrating out of the furnace body 6 is driven by a motor, so that the motor can be controlled by an electric control system to control the rotation of the rotating baffle row 72, and the biomass fuel furnace can realize electrified control from feeding to deslagging.
Referring to fig. 10 and 11 together, as an embodiment of the biomass fuel furnace of the present invention, a rotating cross bar 721 is located above the fixed baffle row 71; one end of the rotating grate bar 722 is connected to the rotating cross-bar 721, and the other end of the rotating grate bar 722 is warped toward the fixed grate 71. The fuel, slag and the like falling on the rotating grate bar 722 of the embodiment can slide down along the rotating grate bar 722 to the fixed retaining row 71, so as to avoid accumulation on the rotating grate bar 722, facilitate the rotation of the rotating grate bar 722 and simultaneously facilitate the slag falling from the first-level ash falling gap 713 of the fixed retaining row 71. Specifically, the rotating grate bar 722 is arcuate.
Referring to fig. 6 to 11, as an embodiment of the biomass fuel furnace of the present invention, the plurality of rotating fire bars 722 are divided into two groups respectively disposed at two sides of the rotating cross bar 721. So that the rotating fire bars 722 at both sides of the rotating cross bar 721 can be respectively matched with the fixed baffle rows 71 at both sides of the rotating baffle row 72 to divide the first-stage ash falling gaps 713 of the fixed baffle rows 71 at both sides of the rotating baffle row 72 into second-stage ash falling gaps 723.
Specifically, each rotating grate bar 722 is vertically welded to the rotating cross-bar 721, and the central angle between the rotating grate bars 722 on both sides of the rotating cross-bar 721 in the circumferential direction of the rotating cross-bar 721 is 180 degrees.
Referring to fig. 6 to 11, as an embodiment of the biomass fuel furnace of the present invention, the fixed baffle row 71 further includes a fixed cross bar 711 connected to a plurality of fixed fire bars 712. The fixed cross bar 711 is arranged at the bottom of the hearth 61, and the fixed fire bars 712 are arranged on the fixed cross bar 711 along the radial direction of the fixed cross bar 711.
Specifically, the fixed cross bar 711 is a long straight bar, and both ends of the long straight bar are welded and fixed to the furnace wall of the furnace body 6. The fixed grate bars 712 are long straight bars and are welded vertically to the sides of the fixed cross bars 711.
More specifically, a plurality of fixed bars 712 are respectively provided at both sides of the fixed cross bar 711, and primary ash falling gaps 713 are respectively formed at both sides of the fixed cross bar 711. The fixed fire bars 712 on the two sides of the fixed cross bar 711 can be respectively matched with the rotary baffle rows 72 on the two sides of the fixed baffle row 71, so that the number of the first-stage ash falling gaps 713 is increased, and the slag can be conveniently discharged. The primary ash falling gaps 713 at both sides of the fixed crossbar 711 can be divided by the rotating bars 722 of the rotating barriers 72 at both sides of the fixed barrier 71, respectively.
Referring to fig. 6 to 11, as an embodiment of the biomass fuel furnace of the present invention, a plurality of fixed baffle rows 71 are disposed along the radial direction of the fixed cross bar 711, and a rotating baffle row 72 is disposed between two adjacent fixed baffle rows 71. Specifically, the plurality of fixed gear rows 71 and the plurality of rotary gear rows 72 are arranged side by side, and the fixed gear rows 71 and the rotary gear rows 72 are alternately arranged.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A biomass fuel feed device, comprising:
the bottom of the hopper is provided with a blanking port, and the side part of the hopper is provided with a guide inclined wall which forms an included angle with the vertical direction and extends towards the blanking port; and
the pushing assembly comprises a rotating shaft arranged in the hopper and a plurality of shifting rods arranged at intervals along the axial direction of the rotating shaft, each shifting rod is arranged along the radial extension of the rotating shaft, the adjacent two shifting rods are arranged at included angles in the projection in the radial plane of the rotating shaft, and the shifting rods are used for pushing the biomass fuel on the guide inclined wall to the blanking port.
2. The biomass fuel feeding device according to claim 1, further comprising a driving motor provided outside the hopper; and an output shaft of the driving motor is in transmission connection with the rotating shaft through a chain.
3. The biomass fuel feeding device according to claim 1, wherein a material guiding plate is disposed at an angle to the vertical direction at the bottom of the hopper, the material guiding plate has an upper end hinged to the hopper and a lower end facing the scraping assembly, and the material guiding plate is used for guiding the biomass fuel to an inlet of a gap between the scraping assembly and the material guiding inclined wall.
4. The biomass fuel feeding device according to claim 3, wherein a supporting bolt is arranged at the bottom of the hopper, and the supporting bolt is abutted against the lower end of the guide plate for adjusting the included angle between the guide plate and the vertical direction.
5. A biomass fuel furnace, characterized by comprising the biomass fuel feeding device according to any one of claims 1 to 4.
6. The biomass fuel furnace according to claim 5, wherein the biomass fuel furnace comprises a furnace body provided with a cavity inside and a grate which is arranged in the furnace body and divides the cavity of the furnace body into a hearth and an ash storage cavity;
the grate includes:
the fixed blocking row comprises a plurality of fixed furnace bars which are arranged at intervals, and a first-stage ash falling gap is formed between every two adjacent fixed furnace bars; and
rotate and keep off row, it is a plurality of including a plurality of interval arrangements's rotation fire bars and connection the rotation portion of rotating the fire bars, it is a plurality of the interval direction of fixed fire bars is with a plurality of the interval direction of rotating the fire bars is the same, the rotation axial of rotation portion is with a plurality of the interval direction of rotating the fire bars is the same, the rotation portion be used for with it puts into or puts out to rotate the fire bars the one-level ash clearance that falls, it is located to rotate the fire bars the one-level ash clearance that falls will under the state in the one-level ash clearance that falls separate for the second grade ash clearance that falls.
7. The biomass fuel furnace of claim 6, wherein the rotating portion comprises:
the rotary cross rod is arranged at the bottom of the hearth in a rotating mode, and the rotary fire bars are arranged on the rotary cross rod along the radial direction of the rotary cross rod.
8. The biomass fuel furnace of claim 7, wherein the rotating crossbar is located above the fixed retaining row; one end of the rotating fire bar is connected with the rotating cross rod, and the other end of the rotating fire bar faces towards the fixed baffle row and is bent and tilted.
9. The biomass fuel furnace according to claim 7 or 8, wherein the plurality of rotating fire bars are divided into two groups respectively provided on both sides of the rotating cross bar.
10. The biomass fuel furnace of claim 9, wherein the fixed grate further comprises a fixed cross bar connecting a plurality of the fixed grate bars;
the fixed gear row is provided with a plurality of fixed cross bars along the radial interval of the fixed cross bars, and one rotating gear row is arranged between every two adjacent fixed gear rows.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921369529.5U CN211502855U (en) | 2019-08-21 | 2019-08-21 | Biomass fuel feeding device and biomass fuel furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921369529.5U CN211502855U (en) | 2019-08-21 | 2019-08-21 | Biomass fuel feeding device and biomass fuel furnace |
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| CN211502855U true CN211502855U (en) | 2020-09-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594772A (en) * | 2019-08-21 | 2019-12-20 | 正信德(北京)国际环保有限公司 | Biomass fuel feeding device and biomass fuel furnace |
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2019
- 2019-08-21 CN CN201921369529.5U patent/CN211502855U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594772A (en) * | 2019-08-21 | 2019-12-20 | 正信德(北京)国际环保有限公司 | Biomass fuel feeding device and biomass fuel furnace |
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