CN111457358A

CN111457358A - Biomass fuel boiler

Info

Publication number: CN111457358A
Application number: CN202010288342.3A
Authority: CN
Inventors: 张玉芬; 张全年; 张喜; 张照; 赵茂; 何生湖
Original assignee: Gansu Qirong Biomass Pellet Fuel Production Co ltd
Current assignee: Gansu Qirong Biomass Pellet Fuel Production Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-07-28

Abstract

The invention discloses a biomass fuel boiler which comprises a base, a boiler, a spraying box, a recovery box and a pre-feeding box, wherein the boiler is fixedly arranged at the top of the base, a boiler liner is fixedly arranged at the middle position of the top end in the boiler, a water feeding pipe and a steam discharging pipe are arranged at the top of the boiler liner, valves are movably arranged in the water feeding pipe and the steam discharging pipe, a cushion block and a supporting rod are arranged at the top of the base, a material conveying pipe is obliquely arranged at the top of the base through the cushion block and the supporting rod, a first bearing is arranged in each of two sections in the material conveying pipe, a material conveying auger is movably arranged in the material conveying pipe through the first bearing, and a first driving motor is fixedly arranged at one end of the material conveying pipe. According to the invention, a series of structures are arranged, so that the device has the characteristics of effectively cooling and humidifying the flue gas generated during combustion, filtering and fully combusting biomass particles.

Description

Biomass fuel boiler

Technical Field

The invention relates to the technical field of biomass energy combustion equipment, in particular to a biomass fuel boiler.

Background

Biomass mainly refers to wood cellulose such as straws and trees of crops, leftovers of agricultural product processing industry and agricultural and forestry wastes in agriculture and forestry production, and as a big agricultural country in China, straws, trees and other wood cellulose of crops have large amount and rich biomass energy, so biomass energy is processed for effective utilization.

The existing biomass combustion boiler has the following problems in the process of actual use:

1. some biomass particles are easily affected by external factors and affected by damp in the long-time storage process, and cannot be dried in time before use, so that the combustion effect is poor when the particles are combusted in the boiler;

2. the existing biomass combustion boiler generally directly discharges flue gas generated during combustion, and because the flue gas is discharged at high temperature and is accompanied with soot generated during combustion, the environment around the biomass combustion boiler is poor, and air is dry, so that the biomass combustion boiler is not beneficial to environmental protection;

3. the biomass boiler in the prior art is not provided with an air supply mechanism, so that the oxygen content in the hearth is insufficient, the biomass raw material is discharged without being fully combusted, and the biomass energy high efficiency characteristic is not met;

4. because the slag is usually pressed at the bottom of a combustion substance and is difficult to leak, after being used for many times, some slag is often left on a fire grate and at gaps due to large volume, and the situation that the slag is difficult to leak to cause blockage can easily occur for a long time; therefore, in order to solve the series of problems, a biomass fuel boiler is provided for solving the problems.

Disclosure of Invention

The invention aims to provide a biomass fuel boiler to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a biomass fuel boiler comprises a base, a boiler, a spray box, a recovery box and a pre-feeding box, wherein the boiler is fixedly arranged at the top of the base, a boiler liner is fixedly arranged at the middle position of the top end inside the boiler, a water feeding pipe and a steam discharging pipe are arranged at the top of the boiler liner, valves are movably arranged inside the water feeding pipe and the steam discharging pipe, a cushion block and a supporting rod are arranged at the top of the base, a material conveying pipe is obliquely arranged at the top of the base through the cushion block and the supporting rod, two sections inside the material conveying pipe are respectively provided with a first bearing, a material conveying auger is movably arranged inside the material conveying pipe through the first bearing, a first driving motor is fixedly arranged at one end of the material conveying pipe, one end of the material conveying auger is fixedly connected with the output end of the first driving motor, a material guide pipe is obliquely arranged above the side wall of the boiler, the utility model discloses a boiler, including the conveying pipeline, the top of baffle pipe, one end fixed mounting at boiler top has first fan, the top of first fan is provided with first induced draft pipe, one side of first fan is provided with first play tuber pipe, the one end of first play tuber pipe is provided with universal pipe adapter sleeve, the one end of first play tuber pipe is passed through universal pipe adapter sleeve is connected with the air-supply line, the one end of air-supply line with the inside intercommunication of baffle pipe, the inside both sides of boiler all are provided with right angle installation piece, the inside of boiler passes through the grate is installed to right angle installation piece, the inside waste residue bottom of boiler is provided with the waste residue groove, the trench is located under the grate, the grate is located under the boiler inner bag.

Preferably, the recycling bin is fixedly installed at one end of the top of the boiler, a smoke exhaust pipe is arranged at the middle position of the top of the recycling bin, a smoke inlet pipe is arranged at the middle position of the bottom of the recycling bin, the recycling bin is communicated with the inside of the boiler through the smoke inlet pipe, baffles are obliquely installed on the side walls of two sides of the inside of the recycling bin, a cloth bag filter layer is arranged at the top end of the inside of the recycling bin, the baffles are located below the cloth bag filter layer, slopes are arranged on two sides of the bottom of the inside of the recycling bin and are inclined downwards from inside to outside, a connecting pipe is connected to the top end of the smoke exhaust pipe through a universal pipe connecting sleeve, an air guide pipe is connected to one end of the connecting pipe, and one end of the air guide pipe extends to the inside of the spraying bin.

Preferably, one side fixed mounting of boiler has the mounting panel, the mounting panel perpendicular to the boiler, just the equal fixed mounting in both ends of mounting panel bottom one side has the installation pole, two the bottom of installation pole all with base fixed connection, spray box fixed mounting be in the top of mounting panel, the intermediate position department at spray box top is provided with the piping erection cover, the top that sprays the case passes through piping erection cover fixed mounting has the inlet tube, the bottom fixed mounting of inlet tube has atomizer, the inside bottom of spray box is provided with the swash plate, the top that sprays box one side is provided with the outlet duct, the below that sprays box one side is provided with the blow off pipe, the one end of blow off pipe is provided with the tube cap.

Preferably, the one end fixed mounting at base top has the curb plate, workbin fixed mounting is in advance the curb plate is close to the top of boiler one side lateral wall, expect that the intermediate position department fixed mounting at roof portion has second driving motor, second driving motor's output is provided with the second bearing, second driving motor's output passes through the pivot is installed to the second bearing, the pivot is located the inside of workbin in advance, just three puddlers are all installed in the both sides of pivot slope.

Preferably, expect that the one end fixed mounting at roof portion has the second fan, one side of second fan is provided with the second aspiration channel, the bottom of second fan is provided with the second and goes out the tuber pipe, the second goes out the tuber pipe and extends to the inside of workbin in advance, expect that the other end at roof portion is provided with the filling tube, the inside bottom of workbin in advance is provided with out the hopper, the bottom of going out the hopper is provided with the discharging pipe, the discharging pipe with the inside intercommunication of conveying pipeline.

Preferably, the side plate and the side wall of one side of the expected box are both provided with mounting notches, the mounting notches are movably provided with material separating plates, and one end of each material separating plate is provided with a pull handle.

Preferably, springs are arranged at two ends of the bottom of the fire grate, the two springs are respectively arranged inside the two right-angle mounting blocks, an annular plate is arranged on the outer side of the top of the fire grate, a material guide plate is obliquely arranged on the inner side of the side wall of one side of the boiler, and the material guide plate is positioned below one end of the material guide pipe.

Preferably, a heat insulation plate is fixedly arranged on the side wall of the spraying box close to one side of the boiler.

Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:

1. the second fan is fixedly arranged at one end of the top of the prediction box, the second driving motor is fixedly arranged at the middle position of the top of the prediction box, mounting notches are formed in the side plates and the side wall of one side of the prediction box, a material separating plate is movably arranged in each mounting notch, a pull handle is arranged at one end of each material separating plate, the material separating plate is plugged into the pre-feeding box before feeding, then feeding is carried out through a feeding pipe, the second fan is controlled to enable the second fan to dry biomass particles in the prediction box through a second air outlet pipe, and the second driving motor drives a rotating shaft to rotate, so that the drying speed can be effectively increased, when the device is used, the materials can be dried in advance, and the combustion effect of the materials is prevented from being influenced due to direct use after the materials are wetted;

2. when biomass particles are combusted in the boiler to generate smoke, the smoke enters the recovery box through the smoke inlet pipe, the particles which are not completely combusted can fall off through the baffle plate in the recovery box, the smoke can be filtered through the cloth bag filter layer, the filtered smoke enters the spraying box through the smoke exhaust pipe, the connecting pipe and the air guide pipe, the water inlet pipe is connected with the water supply device and is sprayed through the atomizing nozzle, the preliminarily filtered smoke is settled and cooled, substances which are not completely filtered in the smoke are settled, the temperature of the discharged smoke is low, the smoke cannot be dried too much, and the influence on the surrounding environment can be effectively reduced;

3. the biomass energy waste recycling device comprises a boiler, a first fan, a first air suction pipe, a first air outlet pipe, a universal pipeline connecting sleeve, an air inlet pipe, a guide pipe and a second fan, wherein the first fan is fixedly installed at one end of the top of the boiler, the first air suction pipe is arranged at the top of the first fan, the first air outlet pipe is arranged on one side of the first fan, the universal pipeline connecting sleeve is arranged at one end of the first air outlet pipe, one end of the first air outlet pipe is connected with the air inlet pipe through the universal pipeline connecting sleeve, one end of the air inlet pipe is communicated with the interior of the guide pipe, the first fan can suck air, air is;

4. all be provided with the spring through the both ends in the grate bottom, the inside at two right angle installation pieces is installed respectively to two springs, and the outside at grate top is provided with the annular slab, the stock guide is installed to the inboard slope of boiler one side lateral wall, the stock guide is located the below of passage one end, slowly burn when the living beings granule, the gravity of grate top weakens, the effect of elasticity and gravity through the spring, make the grate produce vibrations, and then can make the quick waste residue inslot portion that falls the bottom of filter residue that produces when burning, prevent that it from plugging up the ash hole that falls of grate.

Drawings

FIG. 1 is a schematic overall structure of the present invention;

FIG. 2 is a schematic view of the interior of the recovery tank of the present invention;

FIG. 3 is a schematic view of the interior of the spray box of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

fig. 5 is an enlarged view of the invention at B in fig. 1.

In the figure: 1. a base; 2. a waste residue tank; 3. a boiler; 4. a grate; 5. mounting a rod; 6. mounting a plate; 7. a spray box; 8. a boiler inner container; 9. a heat insulation plate; 10. a valve; 11. a universal pipeline connecting sleeve; 12. connecting pipes; 13. a recycling bin; 14. a water feeding pipe; 15. a steam discharge pipe; 16. a first fan; 17. a first air suction pipe; 18. a first air outlet pipe; 19. an air inlet pipe; 20. a material guide pipe; 21. a delivery pipe; 22. a material conveying auger; 23. a discharge pipe; 24. a support bar; 25. a first bearing; 26. cushion blocks; 27. a first drive motor; 28. a side plate; 29. a slope; 30. a material guide plate; 31. a baffle plate; 32. a cloth bag filter layer; 33. a smoke exhaust pipe; 34. a tube cover; 35. a blow-off pipe; 36. an air outlet pipe; 37. an atomizing spray head; 38. a pipeline installation sleeve; 39. a water inlet pipe; 40. an air duct; 41. a sloping plate; 42. a pre-feeding box; 43. a rotating shaft; 44. a second bearing; 45. a second air outlet pipe; 46. a feed tube; 47. a second drive motor; 48. a second fan; 49. a second aspiration channel; 50. installing a notch; 51. pulling a handle; 52. a stirring rod; 53. a material separating plate; 54. a discharge hopper; 55. a spring; 56. a right-angle mounting block; 57. an annular plate; 58. a smoke inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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. 1-5, the present invention provides a technical solution: a biomass fuel boiler technical scheme comprises a base 1, a boiler 3, a spraying box 7, a recovery box 13 and a pre-feeding box 42, wherein the boiler 3 is fixedly arranged at the top of the base 1, a boiler inner container 8 is fixedly arranged at the middle position of the top end inside the boiler 3, a water feeding pipe 14 and a steam discharging pipe 15 are arranged at the top of the boiler inner container 8, valves 10 are movably arranged inside the water feeding pipe 14 and the steam discharging pipe 15, a cushion block 26 and a supporting rod 24 are arranged at the top of the base 1, a material conveying pipe 21 is obliquely arranged at the top of the base 1 through the cushion block 26 and the supporting rod 24, a first bearing 25 is arranged at two sections inside the material conveying pipe 21, a material conveying auger 22 is movably arranged inside the material conveying pipe 21 through the first bearing 25, a first driving motor 27 is fixedly arranged at one end of the material conveying pipe 21, one end of the material conveying auger 22 is fixedly connected with, guide pipe 20 is installed in the top slope of boiler 3 one side lateral wall, the top of guide pipe 20 is connected with the top of conveying pipeline 21 one side, the one end fixed mounting at boiler 3 top has first fan 16, the top of first fan 16 is provided with first aspiration channel 17, one side of first fan 16 is provided with first play tuber pipe 18, the one end of first play tuber pipe 18 is provided with universal pipe connection cover 11, the one end of first play tuber pipe 18 is connected with air-supply line 19 through universal pipe connection cover 11, the one end of air-supply line 19 and the inside intercommunication of guide pipe 20, the inside both sides of boiler 3 all are provided with right angle installation piece 56, grate 4 is installed through right angle installation piece 56 in the inside of boiler 3, the inside bottom of boiler 3 is provided with waste slag chute 2, waste slag chute 2 is located grate 4 under, 4 grates are located boiler inner bag 8 under.

Preferably, the recycling box 13 is fixedly installed at one end of the top of the boiler 3, a smoke exhaust pipe 33 is arranged at the middle position of the top of the recycling box 13, a smoke inlet pipe 58 is arranged at the middle position of the bottom of the recycling box 13, the recycling box 13 is communicated with the interior of the boiler 3 through the smoke inlet pipe 58, baffles 31 are obliquely installed on the side walls of two sides of the interior of the recycling box 13, a cloth bag filter layer 32 is arranged at the top end of the interior of the recycling box 13, the two baffles 31 are positioned below the cloth bag filter layer 32, slopes 29 are arranged on two sides of the bottom end of the interior of the recycling box 13, the two slopes 29 are obliquely arranged from inside to outside, the top end of the smoke exhaust pipe 33 is connected with a connecting pipe 12 through a universal pipe connecting sleeve 11, one end of the connecting pipe 12 is connected with an air guide pipe 40, one end of the air guide pipe 40 extends to the interior of the spray box 7, when biomass, the baffle 31 inside the recycling tank 13 can make the particles not completely burnt fall down, and the smoke can be filtered by the cloth bag filter layer 32.

Preferably, a mounting plate 6 is fixedly mounted on one side of the boiler 3, the mounting plate 6 is perpendicular to the boiler 3, mounting rods 5 are fixedly mounted at two ends of one side of the bottom of the mounting plate 6, the bottom ends of the two mounting rods 5 are fixedly connected with the base 1, the spray box 7 is fixedly mounted on the top of the mounting plate 6, a pipeline mounting sleeve 38 is arranged at the middle position of the top of the spray box 7, a water inlet pipe 39 is fixedly mounted at the top of the spray box 7 through the pipeline mounting sleeve 38, an atomizing nozzle 37 is fixedly mounted at the bottom end of the water inlet pipe 39, an inclined plate 41 is arranged at the bottom end inside the spray box 7, an air outlet pipe 36 is arranged above one side of the spray box 7, a sewage discharge pipe 35 is arranged below one side of the spray box 7, a pipe cover 34 is arranged at one end of the sewage discharge pipe 35, the water inlet pipe 39, the substances which are not completely filtered in the filter are settled, the temperature of the discharged flue gas is low, the flue gas cannot be dried too much, and the influence on the surrounding environment can be effectively reduced.

Preferably, the one end fixed mounting at base 1 top has curb plate 28, expect that case 42 fixed mounting is in the top that curb plate 28 is close to boiler 3 one side lateral wall in advance, expect that the intermediate position department fixed mounting at case 42 top has second driving motor 47, the output of second driving motor 47 is provided with second bearing 44, pivot 43 is installed through second bearing 44 to the output of second driving motor 47, pivot 43 is located the inside of case 42 in advance, and three puddlers 52 are all installed in the both sides of pivot 43 slope, accelerate the dry speed of material air-drying.

Preferably, there is the second fan 48 in one end fixed mounting at workbin 42 top in advance, one side of second fan 48 is provided with second aspiration channel 49, the bottom of second fan 48 is provided with second air-out pipe 45, second air-out pipe 45 extends to the inside of workbin 42 in advance, the other end at workbin 42 top is provided with filling tube 46 in advance, the inside bottom of workbin 42 is provided with out hopper 54 in advance, the bottom of going out hopper 54 is provided with discharging pipe 23, discharging pipe 23 communicates with the inside of conveying pipeline 21, can air-dry the drying process to the material through second fan 48.

Preferably, the side plate 28 and the side wall of the pre-feeding box 42 are both provided with a mounting notch 50, a material separating plate 53 is movably mounted inside the mounting notch 50, and one end of the material separating plate 53 is provided with a pull handle 51 which can block the pre-feeding box 42 to prevent the material from falling down during drying.

Preferably, both ends of grate 4 bottom all are provided with spring 55, two springs 55 are installed respectively in the inside of two right angle installation pieces 56, and the outside at grate 4 top is provided with annular slab 57, stock guide 30 is installed to the inboard slope of boiler 3 one side lateral wall, stock guide 30 is located the below of passage 20 one end, through the effect of spring 55's elasticity and gravity, make grate 4 produce vibrations, and then can make the quick waste residue groove 2 inside that falls the bottom of the filter residue that produces during the burning, prevent that it from plugging up the ash hole that falls of grate 4.

Preferably, a heat insulation plate 9 is fixedly installed on the side wall of the spraying box 7 close to one side of the boiler 3, so that the spraying box 7 is prevented from being influenced when the boiler 3 is combusted.

The working principle is as follows: before use, the safety of each structure of the device is checked, wherein the first driving motor 27, the second driving motor 47, the first fan 16 and the second fan 48 are all existing electrical components, and can be installed and used according to actual use requirements, when biomass particles are combusted in the boiler 3 to generate smoke, the smoke enters the recovery box 13 through the smoke inlet pipe 58, the baffle 31 in the recovery box 13 can enable the unburned particles to fall, and the smoke can be filtered through the cloth bag filter layer 32, the filtered smoke enters the spraying box 7 through the smoke exhaust pipe 33, the connecting pipe 12 and the air duct 40, the water inlet pipe 39 is connected with the water supply device and is sprayed through the atomizing nozzle 37, the preliminarily filtered smoke is settled and cooled, substances which are not completely filtered in the smoke are settled, and the temperature of the discharged smoke is low, will not too dry, can reduce the influence to the surrounding environment effectively, the one end fixed mounting at the top of the boiler 3 has the first fan 16, the top of the first fan 16 has the first suction pipe 17, one side of the first fan 16 has the first air-out pipe 18, one end of the first air-out pipe 18 has the universal pipe adapter 11, one end of the first air-out pipe 18 connects with the air inlet pipe 19 through the universal pipe adapter 11, one end of the air inlet pipe 19 communicates with the inside of the guide pipe 20, through controlling the first fan 16, can make the first fan 16 suck air, and then input air to the inside of the boiler 3, make the inside oxygen content of the boiler 3 sufficient, the burning of the biomass raw material is more abundant, reduce the waste of the biomass energy, through setting up the spring 55 at both ends of the bottom of the fire grate 4, two springs 55 are installed in the inside of two right angle installation blocks 56 respectively, and the outside of the top of the fire, the guide plate 30 is obliquely installed on the inner side of the side wall of one side of the boiler 3, the guide plate 39 is positioned below one end of the guide pipe 20, when biomass particles slowly burn, the gravity above the fire grate 4 weakens, the fire grate 4 vibrates under the action of the elasticity and the gravity of the spring 55, and then filter residues generated during burning can quickly fall into the waste residue groove 2 at the bottom to prevent the filter residues from blocking an ash falling hole of the fire grate 4, the second fan 48 is fixedly installed at one end of the top of the anticipating box 42, the second driving motor 47 is fixedly installed at the middle position of the top of the anticipating box 42, the installation notches 50 are started in the inner part of the side plate 28 and the side wall of one side of the anticipating box 42, the partition plate 53 is movably installed in the installation notches 50, the pull handle 51 is arranged at one end of the partition plate 53, before feeding, the partition plate 53 is firstly plugged in the anticipating box 42, control second fan 48 makes second fan 48 carry out drying process through second play tuber pipe 45 to expecting the inside living beings granule of case 42, and drives pivot 43 through second driving motor 47 and rotate, can effectually accelerate dry speed, and then makes this device when using, can carry out drying process to the material in advance, prevents that the material from because the effect that influences its burning is directly used after weing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, and any standard components found in known art that may be commercially available or commercially available and may be readily customized based on the teachings of the specification and the drawings, and that the particular connection between the various components is by conventional means well known in the art, and that the machine, component, or apparatus is by model and circuit connection is by conventional means well known in the art, and will not be described in detail herein.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A biomass fuel boiler, includes base (1), boiler (3), sprays case (7), collection box (13) and expects case (42), its characterized in that: boiler (3) fixed mounting be in the top of base (1), the intermediate position department fixed mounting on the inside top of boiler (3) has boiler inner bag (8), the top of boiler inner bag (8) is provided with filler pipe (14) and steam discharge pipe (15), filler pipe (14) with the equal movable mounting in inside of steam discharge pipe (15) has valve (10), the top of base (1) is provided with cushion (26) and bracing piece (24), the top of base (1) is passed through cushion (26) with conveying pipeline (21) is installed in the slope of bracing piece (24), two sections of inside of conveying pipeline (21) all are provided with first bearing (25), the inside of conveying pipeline (21) is passed through first bearing (25) movable mounting has conveying auger (22), just the one end fixed mounting of conveying pipeline (21) has first driving motor (27), the one end of defeated material auger (22) with the output fixed connection of first driving motor (27), passage (20) are installed in the top slope of boiler (3) one side lateral wall, the top of passage (20) with the top of conveying pipeline (21) one side is connected, the one end fixed mounting at boiler (3) top has first fan (16), the top of first fan (16) is provided with first air-suction pipe (17), one side of first fan (16) is provided with first play tuber pipe (18), the one end of first play tuber pipe (18) is provided with universal pipeline adapter sleeve (11), the one end of first play tuber pipe (18) is passed through universal pipeline adapter sleeve (11) and is connected with air-supply line (19), the one end of air-supply line (19) with the inside intercommunication of passage (20), the inside both sides of boiler (3) all are provided with right angle installation piece (56), the boiler is characterized in that the fire grate (4) is installed in the boiler (3) through the right-angle installation block (56), a waste slag groove (2) is formed in the bottom end of the interior of the boiler (3), the waste slag groove (2) is located under the fire grate (4), and the fire grate (4) is located under the boiler inner container (8).

2. A biomass fuel boiler according to claim 1, characterized in that: the recycling box (13) is fixedly installed at one end of the top of the boiler (3), a smoke exhaust pipe (33) is arranged at the middle position of the top of the recycling box (13), a smoke inlet pipe (58) is arranged at the middle position of the bottom of the recycling box (13), the recycling box (13) is communicated with the interior of the boiler (3) through the smoke inlet pipe (58), baffle plates (31) are obliquely installed on the side walls of two sides of the interior of the recycling box (13), a cloth bag filter layer (32) is arranged at the top end of the interior of the recycling box (13), the two baffle plates (31) are located below the cloth bag filter layer (32), slopes (29) are arranged on two sides of the bottom end of the interior of the recycling box (13), the two slopes (29) are obliquely arranged from inside to outside, and the top end of the smoke exhaust pipe (33) is connected with a connecting pipe (12) through a universal pipe connecting sleeve (11), one end of the connecting pipe (12) is connected with an air duct (40), and one end of the air duct (40) extends into the spraying box (7).

3. A biomass fuel boiler according to claim 1, characterized in that: one side of the boiler (3) is fixedly provided with a mounting plate (6), the mounting plate (6) is perpendicular to the boiler (3), mounting rods (5) are fixedly mounted at two ends of one side of the bottom of the mounting plate (6), two bottoms of the mounting rods (5) are fixedly connected with the base (1), the spray box (7) is fixedly mounted at the top of the mounting plate (6), a pipeline mounting sleeve (38) is arranged at the middle position of the top of the spray box (7), a water inlet pipe (39) is fixedly mounted at the top of the spray box (7) through the pipeline mounting sleeve (38), an atomization nozzle (37) is fixedly mounted at the bottom of the water inlet pipe (39), an inclined plate (41) is arranged at the bottom of the interior of the spray box (7), an air outlet pipe (36) is arranged above one side of the spray box (7), a drain pipe (35) is arranged below one side of the spray box (7), one end of the sewage draining pipe (35) is provided with a pipe cover (34).

4. A biomass fuel boiler according to claim 1, characterized in that: one end fixed mounting at base (1) top has curb plate (28), workbin (42) fixed mounting in advance curb plate (28) are close to the top of boiler (3) one side lateral wall, the intermediate position department fixed mounting at workbin (42) top has second driving motor (47) in advance, the output of second driving motor (47) is provided with second bearing (44), the output of second driving motor (47) passes through pivot (43) are installed to second bearing (44), pivot (43) are located the inside of workbin (42) in advance, just three puddlers (52) are all installed to the both sides of pivot (43) slope.

5. A biomass fuel boiler according to claim 1, characterized in that: the one end fixed mounting at workbin (42) top has second fan (48) in advance, one side of second fan (48) is provided with second aspiration channel (49), the bottom of second fan (48) is provided with second air-out pipe (45), second air-out pipe (45) extend to the inside of workbin (42) in advance, the other end at workbin (42) top in advance is provided with filling tube (46), the inside bottom of workbin (42) in advance is provided with out hopper (54), the bottom of going out hopper (54) is provided with discharging pipe (23), discharging pipe (23) with the inside intercommunication of conveying pipeline (21).

6. A biomass fuel boiler according to claim 4, characterized in that: the side wall of the inside of the side plate (28) and one side of the pre-feeding box (42) are both provided with mounting notches (50), a material separating plate (53) is movably mounted inside the mounting notches (50), and one end of the material separating plate (53) is provided with a pull handle (51).

7. A biomass fuel boiler according to claim 1, characterized in that: the boiler is characterized in that springs (55) are arranged at two ends of the bottom of the fire grate (4), the two springs (55) are respectively arranged inside the two right-angle mounting blocks (56), an annular plate (57) is arranged on the outer side of the top of the fire grate (4), a material guide plate (30) is obliquely arranged on the inner side of the side wall of one side of the boiler (3), and the material guide plate (30) is located below one end of the material guide pipe (20).

8. A biomass fuel boiler according to claim 1, characterized in that: and a heat insulation plate (9) is fixedly arranged on the side wall of the spraying box (7) close to one side of the boiler (3).