CN214580980U

CN214580980U - Environment-friendly biomass fuel boiler

Info

Publication number: CN214580980U
Application number: CN202023084175.5U
Authority: CN
Inventors: 田超
Original assignee: Shuangyashan Shuangxing Technology R & D Co ltd
Current assignee: Shuangyashan Shuangxing Technology R & D Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-11-02
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses an environment-friendly biomass fuel boiler, comprising a base plate, the top fixedly connected with insulation can of bottom plate, the inner circle fixedly connected with furnace body of insulation can, the equal vertical fixedly connected with baffle in left side of furnace body inner chamber top and bottom, the left top fixedly connected with burning bed of bottom baffle. The utility model discloses can make biomass fuel boiler at the uniform velocity even feeding, can keep warm and can filter exhaust tail gas to the boiler simultaneously, biomass fuel boiler's use is environmental protection more like this, it is in the use to have solved biomass fuel boiler, because of can not carry out even feeding, and do not possess heat retaining function, also can not filter tail gas simultaneously, it is great to make the internal combustion condition of boiler change easily, and a large amount of heats volatilize in the external environment, discharge a large amount of pollution tail gas, thereby lead to biomass fuel boiler to appear using the problem of not environmental protection.

Description

Environment-friendly biomass fuel boiler

Technical Field

The utility model relates to a boiler technical field specifically is an environment-friendly biomass fuel boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, the origin of the boiler refers to a water container heated on fire, the boiler refers to a place for burning the fuel, the boiler comprises a boiler and a boiler, hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, the hot water or the steam can be converted into mechanical energy through a steam power device, or the mechanical energy can be converted into electric energy through a generator, the boiler for providing the hot water is called a hot water boiler and is mainly used for life, a small amount of applications are also provided in industrial production, the boiler for generating the steam is called a steam boiler, the boiler is often called a boiler for short, and is used for thermal power stations, ships, locomotives and industrial and mining enterprises, the existing boilers are more in variety, the biomass fuel boiler is one of the boiler, and the existing biomass fuel boiler is used in the using process, the biomass fuel boiler can not be uniformly fed, does not have a heat preservation function, and can not filter tail gas, so that the combustion condition in the boiler is changed greatly, a large amount of heat is volatilized to the external environment, and a large amount of polluted tail gas is discharged, thereby causing the problem of environmental pollution caused by the fact that the biomass fuel boiler is not used, and bringing great pollution to the environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environment-friendly biomass fuel boiler, possess at the uniform velocity even feeding, can keep warm and can carry out filterable advantage to exhaust tail gas to the boiler simultaneously, it is in the use to have solved biomass fuel boiler, because of can not carry out even feeding, and do not possess heat retaining function, also can not filter tail gas simultaneously, it is great to make the burning situation change in the boiler easily, and a large amount of heats volatilize in the external environment, discharge a large amount of pollution tail gas, thereby lead to biomass fuel boiler to appear using the problem of not environmental protection.

In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly biomass fuel boiler comprises a bottom plate, wherein an insulation can is fixedly connected to the top of the bottom plate, a boiler body is fixedly connected to the inner ring of the insulation can, partition plates are vertically and fixedly connected to the top of the inner cavity of the boiler body and the left side of the bottom of the inner cavity of the boiler body, a combustion bed is fixedly connected to the left top of the partition plate at the bottom, a combustion chamber is arranged in the inner cavity of the boiler body and on the left side of the partition plates, a conveying box is fixedly connected to the center of the left surface of the insulation can, a material gathering cone hopper is fixedly connected to the left side of the top surface of the conveying box, a feed opening communicated with the material gathering cone hopper is arranged on the left side of the top of the inner cavity of the conveying box, a conveying motor is fixedly connected to the bottom of the left surface of the conveying box, a conveying rod is fixedly connected to the right side of the rotating shaft of the conveying motor, and spiral conveying blades are sleeved on the surface of the conveying rod, a discharging bevel opening is formed in the center of the left side surface of the heat preservation box, and the right side of the discharging bevel opening penetrates through the furnace body;

the heat preservation box comprises a heat preservation box, and is characterized in that a water inlet pipe is arranged on the right side of the top of the heat preservation box, the bottom of the water inlet pipe penetrates into an inner cavity of a furnace body and is fixedly connected with a heat collection pipe, one side of the heat collection pipe, far away from the water inlet pipe, penetrates into the right side of the furnace body, the center and the right side of the top surface of the heat preservation box are fixedly connected with an exhaust fan and a filter box respectively, the center of the right side surface of the furnace body is fixedly communicated with an air induction pipe, one side of the air induction pipe, far away from the furnace body, penetrates through the heat preservation box and is fixedly communicated with the bottom of the right side of the inner cavity of the filter box, the top of the exhaust fan is fixedly communicated with an exhaust pipe, the right side of the exhaust fan is fixedly connected with an air guide pipe, and one side of the air guide pipe, far away from the exhaust fan, is fixedly communicated with the left side of the top of the inner cavity of the filter box;

the center department of rose box inner chamber both sides is from supreme vertical fixedly connected with three installation slat in proper order down, and supreme fixedly connected with dust filter plate, active carbon filter and HEPA filter in proper order are followed to three installation slat, the awl fill is collected to the bottom fixedly connected with of rose box inner chamber, the bottom fixedly connected with clearance motor of rose box left side surperficial center department, the right side fixedly connected with clearance screw rod of clearance motor shaft, the right side of clearance screw rod runs through to the right side of rose box inner chamber, the central point threaded connection who handles on clearance screw rod surface has the removal swivel nut, the top fixedly connected with clearance pole of removal swivel nut, the top fixedly connected with clearance taper plate of clearance pole.

Preferably, the left side of the inner cavity of the blanking bevel opening is communicated with the right side of the inner cavity of the conveying box, the right side of the surface of the bottom of the conveying box is fixedly connected with a triangular plate, and the right side of the triangular plate is fixedly connected with the heat preservation box.

Preferably, the internal diameter and the external diameter of inlet tube all are greater than the internal diameter and the external diameter of thermal-collecting tube, the thermal-collecting tube is the bending type, the equal fixedly connected with locating piece in the right side of furnace body inner chamber, the top of inner chamber and the bottom of inner chamber, one side and the thermal-collecting tube fixed connection that the furnace body was kept away from to the locating piece.

Preferably, the positive surface of rose box has seted up the clearance window, and the inner chamber of clearance window is inlayed and is had the closing plate, and the positive surface of closing plate is provided with construction bolt, and construction bolt's rear side runs through the closing plate and extends to inside the rose box.

Preferably, the bottom of the front side and the bottom of the rear side of the inner cavity of the filter box are transversely provided with limit grooves, the front surface and the back surface of the movable threaded sleeve are fixedly connected with limit rods, and the limit rods are far away from the inner cavity of the movable threaded sleeve and are in sliding contact with the inner cavity of the limit grooves.

Preferably, a control panel is embedded in the center of the front surface of the heat insulation box, the output end of the control panel is electrically connected with the conveying motor, the exhaust fan, the combustion bed and the cleaning motor respectively, an ash cleaning port is formed in the bottom of the left side surface of the heat insulation box, and the rear side of the ash cleaning port is communicated with the furnace body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up insulation can, the rose box, clearance motor, conveying motor, the delivery box, gather material awl fill, the feed opening, the conveying pole, the spiral delivery blade, the HEPA filter, the active carbon filter, dust filter screen board, the clearance screw rod, remove the swivel nut, collect awl fill, the installation slat, the cooperation of clearance awl board and clearance pole is used, can make biomass fuel boiler at the uniform velocity even feeding, can keep warm and can filter the tail gas that discharges to the boiler simultaneously, the use of biomass fuel boiler is more environmental protection like this, solve biomass fuel boiler in the use, because can not carry out even feeding, and do not possess the function that keeps warm, also can not filter tail gas simultaneously, the easy combustion condition change in the boiler is great, and a large amount of heat volatilizees in the external environment, discharge a large amount of pollution tail gas, thereby lead to the biomass fuel boiler to appear using the problem of not environmental protection, is worthy of popularization.

2. The utility model discloses a set up the unloading bevel connection, made things convenient for the joining of burning material, through the set-square, can support the delivery box, through the locating piece, can carry out the stable stay to the thermal-collecting tube, through clearing up the window, conveniently clear up in the rose box, through the closing plate, can seal up the clearance window, through the cooperation of spacing groove and gag lever post, improved and removed the stability that removes about the swivel nut, through the deashing mouth, conveniently carry out the deashing to the furnace body.

Drawings

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

FIG. 2 is a sectional view of the structure of the conveying box of the present invention;

FIG. 3 is a sectional view of the structure of the filtering box of the present invention;

figure 4 is the utility model discloses remove spiral shell, clearance pole and clearance taper plate structure cooperation sketch map.

In the figure: 1 bottom plate, 2 insulation boxes, 3 furnace bodies, 4 heat collecting pipes, 5 air guiding pipes, 6 water inlet pipes, 7 filter boxes, 8 air guiding pipes, 9 exhaust pipes, 10 cleaning motors, 11 exhaust fans, 12 conveying motors, 13 conveying boxes, 14 discharging inclined openings, 15 combustion beds, 16 partition plates, 17 material gathering cone hoppers, 18 discharging openings, 19 conveying rods, 20 spiral conveying blades, 21 HEPA filter plates, 22 activated carbon filter plates, 23 dust filter screen plates, 24 cleaning screw rods, 25 moving screw sleeves, 26 collecting cone hoppers, 27 mounting laths, 28 cleaning cone plates, 29 cleaning rods and 30 combustion chambers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an environment-friendly biomass fuel boiler comprises a bottom plate 1, a thermal insulation box 2 is fixedly connected to the top of the bottom plate 1, a furnace body 3 is fixedly connected to the inner ring of the thermal insulation box 2, a partition 16 is vertically and fixedly connected to the top of the inner cavity of the furnace body 3 and the left side of the bottom of the inner cavity of the furnace body, a combustion bed 15 is fixedly connected to the top of the left side of the partition 16 of the bottom, the left side of the combustion bed 15 is fixedly connected to the bottom of the inner cavity of the furnace body 3, a combustion chamber 30 is arranged at the left side of the partition 16 of the inner cavity of the furnace body 3, a conveying box 13 is fixedly connected to the center of the left side surface of the thermal insulation box 2, a material gathering cone hopper 17 is fixedly connected to the left side of the top surface of the conveying box 13, a feed opening 18 communicated with the material gathering cone hopper 17 is formed at the left side of the top of the conveying box 13, a conveying motor 12 is fixedly connected to the bottom of the left side surface of the conveying box, a conveying rod 19 is fixedly connected to the right side of the rotating shaft of the conveying motor 12, the surface of the conveying rod 19 is sleeved with a spiral conveying blade 20, a discharging inclined opening 14 is formed in the center of the left side surface of the insulation box 2, the right side of the discharging inclined opening 14 penetrates through the furnace body 3, the left side of the inner cavity of the discharging inclined opening 14 is communicated with the right side of the inner cavity of the conveying box 13, a triangular plate is fixedly connected to the right side of the bottom surface of the conveying box 13, the right side of the triangular plate is fixedly connected with the insulation box 2, the feeding of combustion materials is facilitated through the discharging inclined opening 14, the conveying box 13 can be supported through the triangular plate, a control panel is embedded in the center of the front surface of the insulation box 2, the output end of the control panel is respectively and electrically connected with the conveying motor 12, the exhaust fan 11, the combustion bed and the cleaning motor 10, an ash cleaning opening is formed in the bottom of the left side surface of the insulation box 2, the rear side of the ash cleaning opening is communicated with the furnace body 3, and ash cleaning of the furnace body 3 is facilitated through the ash cleaning opening;

the right side of the top of the insulation can 2 is provided with a water inlet pipe 6, the bottom of the water inlet pipe 6 penetrates into the inner cavity of the furnace body 3 and is fixedly connected with a heat collecting pipe 4, one side of the heat collecting pipe 4, far away from the water inlet pipe 6, penetrates into the right side of the furnace body 3, the center and the right side of the top surface of the insulation can 2 are respectively fixedly connected with an exhaust fan 11 and a filter box 7, the center of the right side surface of the furnace body 3 is fixedly communicated with an air guiding pipe 5, one side of the air guiding pipe 5, far away from the furnace body 3, penetrates through the insulation can 2 and is fixedly communicated with the bottom of the right side of the inner cavity of the filter box 7, the top of the exhaust fan 11 is fixedly communicated with an exhaust pipe 9, the right side of the exhaust fan 11 is fixedly connected with an air guiding pipe 8, one side of the air guiding pipe 8, far away from the exhaust fan 11, is fixedly communicated with the left side of the top of the inner cavity of the filter box 7, the inner diameter and the outer diameter of the water inlet pipe 6 are both larger than the inner diameter and outer diameter of the heat collecting pipe 4, the heat collecting pipe 4 is of the bent furnace body, the right side of the inner cavity of the 3, The top of the inner cavity and the bottom of the inner cavity are both fixedly connected with positioning blocks, one side of each positioning block, which is far away from the furnace body 3, is fixedly connected with the heat collecting tube 4, and the heat collecting tube 4 can be stably supported through the positioning blocks;

the center of the two sides of the inner cavity of the filter box 7 is fixedly connected with three installation strips 27 from bottom to top in sequence, the three installation strips 27 are fixedly connected with a dust filter screen plate 23, an active carbon filter plate 23 and an HEPA filter plate 21 from bottom to top in sequence, the bottom of the inner cavity of the filter box 7 is fixedly connected with a collecting cone hopper 26, the bottom of the center of the left surface of the filter box 7 is fixedly connected with a cleaning motor 10, the right side of a rotating shaft of the cleaning motor 10 is fixedly connected with a cleaning screw 24, the right side of the cleaning screw 24 penetrates through to the right side of the inner cavity of the filter box 7, the center of the surface of the cleaning screw 24 is in threaded connection with a movable screw sleeve 25, the top of the movable screw sleeve 25 is fixedly connected with a cleaning rod 29, the top of the cleaning rod 29 is fixedly connected with a cleaning cone plate 28, and the cleaning cone hopper 17, a feed opening 18, a heat insulation box 2, the filter box 7, the cleaning motor 10, the conveying motor 12, a conveying box 13, a material gathering cone hopper 17 and a feed opening 18 are arranged, The biomass fuel boiler comprises a conveying rod 19, a spiral conveying blade 20, an HEPA filter plate 21, an active carbon filter plate 22, a dust filter screen plate 23, a cleaning screw rod 24, a movable threaded sleeve 25, a collecting conical hopper 26, a mounting strip plate 27, a cleaning conical plate 28 and a cleaning rod 29 which are matched for use, so that the biomass fuel boiler can uniformly feed materials at a constant speed, can keep the temperature of the boiler and can filter exhausted tail gas, the biomass fuel boiler is more environment-friendly to use, the problem that the biomass fuel boiler cannot be used for environmental protection because the biomass fuel boiler cannot uniformly feed materials and does not have the heat-preservation function and cannot filter tail gas in the using process is solved, the combustion condition in the boiler is easy to change greatly, a large amount of heat is volatilized into the external environment and discharges a large amount of polluted tail gas, and the problem that the biomass fuel boiler is used for environmental protection is caused, the biomass fuel boiler is worthy of popularization, a cleaning window is formed in the front surface of a filter box 7, the inner chamber of clearance window is inlayed and is had the closing plate, the positive surface of closing plate is provided with construction bolt, construction bolt's rear side runs through the closing plate and extends to 7 insides of rose box, through the clearance window, conveniently clear up in the rose box 7, through the closing plate, can seal up the clearance window, the spacing groove has all transversely been seted up to the bottom of 7 inner chamber front sides of rose box and rear side, remove the positive surface of swivel nut 25 and the equal fixedly connected with gag lever post of back surface, the gag lever post is kept away from the inner chamber of removing swivel nut 25 and is sliding contact with the inner chamber of spacing groove, cooperation through spacing groove and gag lever post, the stability of removing about swivel nut 25 has been improved.

When the device is used, the combustion bed 15 is started by using the control panel to heat and the exhaust fan 11 is started, external cold water is led into the heat collecting pipe 4 through the water inlet pipe 6, then the conveying motor 12 is started and the cleaning motor 10 is controlled to rotate continuously and reversely, the combustion raw materials are added into the material gathering cone hopper 17, the conveying rod 19 and the spiral conveying blade 20 are driven to rotate by the operation of the conveying motor 12, the combustion raw materials falling down in the material gathering cone hopper 17 are conveyed to the top of the combustion bed 15 through the blanking bevel opening 14 to be combusted, inorganic matters generated after the combustion fall to the ash cleaning opening, hot air generated by the combustion is led into the right side of the inner cavity of the furnace body 3 under the action of the exhaust fan 11 to heat the water in the heat collecting pipe 4 to be discharged as steam, generated tail gas enters the filter box 7 through the air guide pipe 5 and is sequentially filtered by the dust filter plate 23, the active carbon filter plate 22 and the HEPA filter plate 21, and finally discharged through the exhaust pipe 9 under the action of the exhaust fan 11, the cleaning screw 24 is driven to rotate forwards and backwards ceaselessly through the ceaseless forward and reverse rotation of the cleaning motor 10, so that the movable screw sleeve 25 drives the cleaning rod 29 and the cleaning conical plate 28 to move leftwards and rightwards, and the dust filter screen plate 23 is cleaned, thereby achieving the purpose.

All kinds of parts used in this application file are standard parts, can purchase from the market, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet and welding among the prior art, and machinery, part and electrical equipment all adopt conventional model among the prior art, and circuit connection adopts conventional connected mode among the prior art, and electrical equipment all communicates with external safe power supply, does not make specific statement here again.

In summary, the following steps: this environment-friendly biomass fuel boiler, through setting up insulation can 2, rose box 7, cleaning motor 10, conveying motor 12, conveying box 13, gather material awl fill 17, feed opening 18, conveying rod 19, helical conveying blade 20, HEPA filter 21, active carbon filter 22, dust filter screen 23, clearance screw rod 24, remove swivel nut 25, collect awl fill 26, installation strip board 27, clearance awl board 28 and cleaning rod 29's cooperation is used, biomass fuel boiler is in the use has been solved, because of can not carry out even feeding, and do not have heat retaining function, also can not filter tail gas simultaneously, it is great to make the internal combustion condition of boiler change easily, and a large amount of heats volatilize in the external environment, discharge a large amount of pollution tail gas, thereby lead to the problem that the biomass fuel boiler appears using not the environmental protection.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. The utility model provides an environment-friendly biomass fuel boiler, includes bottom plate (1), its characterized in that: the heat preservation box (2) is fixedly connected to the top of the bottom plate (1), the furnace body (3) is fixedly connected to the inner ring of the heat preservation box (2), a partition plate (16) is vertically and fixedly connected to the top of the inner cavity and the left side of the bottom of the furnace body (3), a combustion bed (15) is fixedly connected to the left top of the partition plate (16), the left side of the combustion bed (15) is fixedly connected to the left bottom of the inner cavity of the furnace body (3), a combustion chamber (30) is arranged on the left side of the inner cavity of the furnace body (3) and located on the partition plate (16), a conveying box (13) is fixedly connected to the center of the left side surface of the heat preservation box (2), a material gathering cone hopper (17) is fixedly connected to the left side of the top surface of the conveying box (13), a discharging port (18) communicated with the material gathering cone hopper (17) is formed in the left side of the inner cavity of the conveying box (13), a conveying motor (12) is fixedly connected to the bottom of the left side surface of the conveying box (13), a conveying rod (19) is fixedly connected to the right side of a rotating shaft of the conveying motor (12), a spiral conveying blade (20) is sleeved on the surface of the conveying rod (19), a discharging bevel opening (14) is formed in the center of the left side surface of the heat preservation box (2), and the right side of the discharging bevel opening (14) penetrates through the furnace body (3);

a water inlet pipe (6) is arranged on the right side of the top of the heat preservation box (2), the bottom of the water inlet pipe (6) penetrates into the inner cavity of the furnace body (3) and is fixedly connected with a heat collecting pipe (4), one side of the heat collecting pipe (4) far away from the water inlet pipe (6) penetrates to the right side of the furnace body (3), the center and the right side of the top surface of the heat preservation box (2) are respectively and fixedly connected with an exhaust fan (11) and a filter box (7), the center of the right side surface of the furnace body (3) is fixedly communicated with an induced duct (5), one side of the induced draft pipe (5) far away from the furnace body (3) penetrates through the heat preservation box (2) and is fixedly communicated with the bottom of the right side of the inner cavity of the filter box (7), the top of the exhaust fan (11) is fixedly communicated with an exhaust pipe (9), the right side of the exhaust fan (11) is fixedly connected with a wind guide pipe (8), one side of the air guide pipe (8) far away from the exhaust fan (11) is fixedly communicated with the left side of the top of the inner cavity of the filter box (7);

the center of the two sides of the inner cavity of the filter box (7) is fixedly connected with three installation strips (27) from bottom to top in sequence longitudinally, the three installation strips (27) are fixedly connected with a dust filter screen plate (23), an active carbon filter plate (22) and an HEPA filter plate (21) from bottom to top in sequence, the bottom of the inner cavity of the filter box (7) is fixedly connected with a collecting cone hopper (26), the bottom of the center of the left side surface of the filter box (7) is fixedly connected with a cleaning motor (10), the right side of the rotating shaft of the cleaning motor (10) is fixedly connected with a cleaning screw rod (24), the right side of the cleaning screw rod (24) penetrates to the right side of the inner cavity of the filter box (7), the center of the surface of the cleaning screw rod (24) is in threaded connection with a movable threaded sleeve (25), the top of the movable threaded sleeve (25) is fixedly connected with a cleaning rod (29), and the top of the cleaning rod (29) is fixedly connected with a cleaning conical plate (28).

2. The environment-friendly biomass fuel boiler of claim 1, characterized in that: the left side of the inner cavity of the blanking bevel opening (14) is communicated with the right side of the inner cavity of the conveying box (13), the right side of the bottom surface of the conveying box (13) is fixedly connected with a triangular plate, and the right side of the triangular plate is fixedly connected with the heat preservation box (2).

3. The environment-friendly biomass fuel boiler of claim 1, characterized in that: the internal diameter and the external diameter of inlet tube (6) all are greater than the internal diameter and the external diameter of thermal-collecting tube (4), thermal-collecting tube (4) are the bending type, the equal fixedly connected with locating piece in the right side of furnace body (3) inner chamber, the top of inner chamber and the bottom of inner chamber, one side and thermal-collecting tube (4) fixed connection that furnace body (3) were kept away from to the locating piece.

4. The environment-friendly biomass fuel boiler of claim 1, characterized in that: the positive surface of rose box (7) has seted up the clearance window, and the inner chamber of clearance window is inlayed and is had the closing plate, and the positive surface of closing plate is provided with construction bolt, and construction bolt's rear side runs through the closing plate and extends to inside rose box (7).

5. The environment-friendly biomass fuel boiler of claim 1, characterized in that: the filter box is characterized in that limiting grooves are transversely formed in the front side and the rear side of the inner cavity of the filter box (7), limiting rods are fixedly connected to the front surface and the back surface of the movable threaded sleeve (25), and the limiting rods are far away from the inner cavity of the movable threaded sleeve (25) and are in sliding contact with the inner cavity of the limiting grooves.

6. The environment-friendly biomass fuel boiler of claim 1, characterized in that: the center department on insulation can (2) positive surface inlays has control panel, control panel's output respectively with conveying motor (12), exhaust fan (11), burning bed (15) and cleaning motor (10) electric connection, the deashing mouth has been seted up to the bottom on insulation can (2) left side surface, and the rear side and furnace body (3) intercommunication of deashing mouth.