Biomass particle furnace with improved structure

Abstract

The utility model discloses a biomass particle furnace with an improved structure, which comprises a furnace body, a biomass particle bin mounted at the top of the back of the inside of the furnace body, a feeding mechanism mounted in the middle of the back of the inside of the furnace body, and an air feeder mounted at the bottom of the back of the inside of the furnace body. The feeding mechanism comprises an upper feeding pipe, a material guiding pipe communicating with the bottom of the upper feeding pipe, a feeding hopper communicating with the top of the upper feeding pipe and a lower feeding pipe communicating with the bottom of the material guiding pipe, a first motor is arranged on one side of the upper feeding pipe, a fixing frame is arranged at the bottom of one side of the material guiding pipe, and transmission chain wheels are rotationally connected to the two sides of the fixing frame correspondingly; according to the biomass particle furnace with the improved structure, double motors and double augers are adopted for feeding, the situation that in the using process, due to continuous feeding, materials inside the combustion box are too much and blocked or insufficient feeding is caused is avoided, and the biomass particle furnace is high in practicability. And stable combustion work of the boiler is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of biomass pellet stove, concretely to a biomass pellet stove with improved structure. BACKGROUND

[0002] The biomass pellet stove is a kind of biomass energy processing equipment.The combustion material is the biomass such as sawdust, straw, rice hull, bark and the like, which is formed into high-density pellet fuel by solidification with the waste of agricultural and forestry processing, and it has the characteristics of renewable cycle and green environmental protection.The existing biomass pellet stove needs to be fed during use, and some automatic feeding is fed by the mode that manual control motor drives auger, but if the motor is started continuously during combustion use, it can cause that the material in the combustion chamber is accumulated too much and congested to affect combustion or cause that the material is not combusted sufficiently, if the material is manually fed every period of time, it can also cause that the material is not replenished in time so that the material in the combustion chamber is combusted completely, flame is extinguished, it is inconvenient to use, the stable combustion work of boiler cannot be guaranteed, and efficiency is reduced. SUMMARY

[0003] The utility model aims at providing a biomass pellet stove with improved structure to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a biomass pellet stove with improved structure, including the furnace body, the both sides of furnace body are equipped with side baffle, the bottom of furnace body is equipped with base, the middle part of front of furnace body is equipped with the object cavity, the inside installation of object cavity is equipped with the object disc, the middle part of object disc is equipped with the fire slot, the middle part of the front of furnace body inside is equipped with the combustion box, the bottom of the front of furnace body inside is equipped with the bottom box, the top of the back of furnace body inside is installed with biomass pellet bin, the middle part of the back of furnace body inside is installed with the feeding mechanism, the bottom of the back of furnace body inside is installed with the air blower, the feeding mechanism includes the upper feeding pipe, the guide pipe that is connected in the bottom of upper feeding pipe, the inlet hopper that is connected in the top of upper feeding pipe and the lower feeding pipe that is connected in the bottom of guide pipe, one side of upper feeding pipe is equipped with the first motor, the bottom of guide pipe one side is equipped with fixed frame, both sides of fixed frame are rotatably connected with transmission sprocket, transmission chain is equipped between two transmission sprockets, one side of the back of fixed frame is equipped with the second motor, one side of fixed frame close to the second motor is equipped with the speed reducer, the middle part of the outside of lower feeding pipe is connected with the mounting plate, the middle part of mounting plate is equipped with the igniter, the bottom of mounting plate is equipped with the air inlet pipe, the inside of lower feeding pipe and the inside of upper feeding pipe are rotatably installed with the feeding auger.

[0005] Preferably, the first motor is electrically connected with an external timing switch, the second motor is electrically connected with an external switch panel, the bottom of the biomass particle bin is communicated with the top of the feeding hopper, and the top of the furnace body is provided with a feeding cover corresponding to the biomass particle bin.

[0006] Preferably, the output end of the first motor is connected with a feeding auger inside the upper feeding pipe, the top of the guide pipe is communicated with the bottom of the upper feeding pipe away from the first motor, the output end of the second motor is connected with the input end of a speed reducer, the output end of the speed reducer is connected with one of the transmission sprockets, and the other transmission sprocket is connected with a feeding auger inside the lower feeding pipe.

[0007] Preferably, the lower feeding pipe extends to the inside of the combustion box, the combustion box corresponds to the fireproof groove, the middle part of the inner wall of the combustion box is provided with a screen, the ignition rod and the air inlet pipe both extend to the inside of the combustion box, the bottom of the back of the furnace body is provided with an inspection cover, the middle part of the inspection cover and the middle part of the side baffle are both provided with a plurality of heat dissipation and ventilation holes, the input end of the air blower is communicated with an air inlet pipe extending to the outside of the inspection cover, the output end of the air blower is communicated with the air inlet pipe, the heat dissipation and ventilation holes facilitate heat dissipation, and the side baffle and the inspection cover facilitate the inspection and maintenance of the inside of the furnace body.

[0008] Compared with the prior art, the biomass particle furnace has the following beneficial effects:

[0009] The second motor continuously operates, the first motor periodically operates through the timing switch, the periodic operation of the first motor can drive the feeding auger inside the upper feeding pipe to rotate, the materials in the biomass particle bin fall into the feeding hopper under the action of gravity, and then enter the inside of the upper feeding pipe, and are conveyed to the guide pipe under the action of the feeding auger of the upper feeding pipe, and then fall into one side of the inside of the lower feeding pipe, the second motor continuously operates, drives the transmission sprocket to rotate through the speed reducer, drives the other transmission sprocket to rotate through the transmission chain, and then drives the feeding auger inside the lower feeding pipe to rotate, so that the materials in the lower feeding pipe are moved to the end, and finally the materials are conveyed to the inside of the combustion box, the biomass particle furnace is improved by improving the feeding mechanism, double-motor double-auger feeding is adopted, intermittent feeding can be realized by the intermittent operation of the first motor, the materials in the combustion box are fully and completely burned, the materials in the combustion box are prevented from being too much and congested or being insufficiently supplied during use, and stable combustion work of the boiler is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is a structural schematic view of the utility model;

[0011] Fig. 2 It is a back structure view of the utility model;

[0012] Fig. 3 is a front internal structure diagram of the utility model;

[0013] Fig. 4 is a back internal structure diagram of the utility model;

[0014] Fig. 5 is a structure diagram of the feeding mechanism of the utility model;

[0015] Fig. 6 is a connecting structure diagram of the mounting plate of the utility model.

[0016] In the figure: 1, furnace body; 2, side baffle; 3, storage cavity; 4, partition disc; 5, feeding cover; 6, heat dissipation and ventilation hole; 7, base; 8, maintenance cover; 9, bottom box; 10, biomass pellet bin; 11, feeding mechanism; 12, combustion box; 13, fire channel; 14, air blower; 15, air inlet pipe; 16, upper feeding pipe; 17, material guide pipe; 18, inlet hopper; 19, lower feeding pipe; 20, fixed frame; 21, first motor; 22, second motor; 23, speed reducer; 24, transmission sprocket; 25, transmission chain; 26, mounting plate; 27, ignition rod; 28, air inlet pipe; 29, feeding auger. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figs. 1-6The utility model provides a kind of biomass pellet stove with improved structure, including furnace body 1, both sides of furnace body 1 are equipped with side baffle 2, the bottom of furnace body 1 is equipped with base 7, the middle part of the front of furnace body 1 is equipped with object cavity 3, the inside installation of object cavity 3 is equipped with partition 4, the middle part of partition 4 is equipped with fire slot 13, the middle part of the front of furnace body 1 inside is equipped with combustion box 12, the bottom of the front of furnace body 1 inside is equipped with bottom box 9, the top of the back of furnace body 1 inside is installed with biomass pellet bin 10, the middle part of the back of furnace body 1 inside is installed with feeding mechanism 11, the bottom of the back of furnace body 1 inside is installed with air blower 14, feeding mechanism 11 includes upper feeding pipe 16, the guide pipe 17 being communicated at the bottom of upper feeding pipe 16, the inlet hopper 18 being communicated at the top of upper feeding pipe 16 and the lower feeding pipe 19 being communicated at the bottom of guide pipe 17, one side of upper feeding pipe 16 is equipped with first motor 21, the bottom of the side of guide pipe 17 is equipped with fixed frame 20, both sides of fixed frame 20 are rotatably connected with transmission sprocket 24, transmission chain 25 is equipped between two transmission sprockets 24, one side of the back of fixed frame 20 is equipped with second motor 22, one side of fixed frame 20 close to second motor 22 is equipped with speed reducer 23, the middle part of the outside of lower feeding pipe 19 is connected with mounting plate 26, the middle part of mounting plate 26 is equipped with igniter 27, the bottom of mounting plate 26 is equipped with air inlet pipe 28, the inside of lower feeding pipe 19 and the inside of upper feeding pipe 16 are rotatably installed with feeding auger 29;

[0019] In the embodiment, the biomass pellets are added into the biomass pellet bin 10 in the furnace body 1 by opening the feeding cover 5, the biomass pellet bin 10 stores a large amount of biomass pellets for standby, and the feeding is carried out first in the use process, and the automatic feeding is carried out in the form of double-motor-driven auger system.

[0020] Referring to Figs. 1-6 The first motor 21 is electrically connected with the external timing switch, the second motor 22 is electrically connected with the external switch panel, the bottom of the biomass pellet bin 10 is communicated with the top of the inlet hopper 18, the top of the furnace body 1 is provided with the feeding cover 5 corresponding to the biomass pellet bin 10, the output end of the first motor 21 is connected with the feeding auger 29 in the inside of the upper feeding pipe 16, the top of the guide pipe 17 is communicated with the side of the bottom of the upper feeding pipe 16 away from the first motor 21, the output end of the second motor 22 is connected with the input end of the speed reducer 23, the output end of the speed reducer 23 is connected with one of the transmission sprockets 24, and the other transmission sprocket 24 is connected with the feeding auger 29 in the inside of the lower feeding pipe 19;

[0021] In this embodiment, the second motor 22 continuously operates, and the first motor 21 is periodically operated by the timing switch. The periodic operation of the first motor 21 can drive the feeding auger 29 in the upper feeding pipe 16 to rotate. The material in the biomass particle bin 10 will fall into the feeding hopper 18 under the action of gravity, and then enter the upper feeding pipe 16. Under the action of the feeding auger 29 in the upper feeding pipe 16, the material is transported to the guide pipe 17 and then falls into one side of the lower feeding pipe 19. The second motor 22 continuously operates to drive the transmission sprocket 24 to rotate through the speed reducer 23. Another transmission sprocket 24 is driven to rotate through the transmission chain 25, so that the feeding auger 29 in the lower feeding pipe 19 rotates to move the material in the lower feeding pipe 19 to the end, and finally the material is transported into the combustion box 12.

[0022] Referring to Figs. 1-6 , the lower feeding pipe 19 extends to the inside of the combustion box 12, and the combustion box 12 corresponds to the fireproof groove 13. The middle part of the inner wall of the combustion box 12 is provided with a screen. The ignition rod 27 and the air inlet pipe 28 both extend to the inside of the combustion box 12. The bottom of the back of the furnace body 1 is provided with an inspection cover 8. The middle part of the inspection cover 8 and the middle part of the side baffle 2 are both provided with a plurality of heat dissipation and ventilation holes 6. The input end of the air blower 14 is communicated with an air inlet pipe 15 extending to the outside of the inspection cover 8. The output end of the air blower 14 is communicated with the air inlet pipe 28.

[0023] In this embodiment, the ignition rod 27 can ignite the biomass material in the combustion box 12. The material burns in the combustion box 12. Air is transported into the combustion box 12 through the air blower 14 and the air inlet pipe 15 to accelerate the burning efficiency. The ignition rod 27 and one end of the lower feeding pipe 19 are both above the screen. The air inlet pipe 28 is below the screen.

[0024] In specific use, the biomass pellet stove with the improved structure is used, the feeding cover 5 is opened, the biomass pellets are added into the biomass pellet bin 10 in the furnace body 1, the biomass pellet bin 10 stores a large amount of biomass pellets for standby, in the use process, feeding is first carried out, automatic feeding is carried out in the form of a double-motor driving auger system, and in the use process, the second motor 22 continuously operates, the first motor 21 operates periodically by the timing switch, the periodic operation of the first motor 21 can drive the feeding auger 29 in the upper feeding pipe 16 to rotate, the material in the biomass pellet bin 10 will fall into the feeding hopper 18 under the action of gravity, and then enter the inside of the upper feeding pipe 16, under the action of the feeding auger 29 of the upper feeding pipe 16, the material is transported to the guide pipe 17, and then falls into one side of the inside of the lower feeding pipe 19, the second motor 22 continuously works, drives the transmission sprocket 24 to rotate through the speed reducer 23, drives the other transmission sprocket 24 to rotate through the transmission chain 25, and then drives the feeding auger 29 in the lower feeding pipe 19 to rotate, moves the material in the lower feeding pipe 19 to the end, and finally transmits the material to the inside of the combustion box 12, the biomass material in the combustion box 12 can be ignited by the ignition rod 27, the material is burned in the combustion box 12, the object to be burned is placed in the fire slot 13 position of the object separating disc 4, and the burning operation can be carried out, and in the use process, air can also be transported into the combustion box 12 through the air blower 14 and the air inlet pipe 15, the burning efficiency is accelerated, the burning is more sufficient, the biomass pellet stove is improved by the feeding mechanism 11, double-motor double-auger feeding is adopted, the intermittent operation of the first motor 21 can realize intermittent feeding, the sufficient and complete burning of the material in the combustion box 12 is ensured, the material in the combustion box 12 is prevented from being too much and congested due to continuous feeding in the use process, and stable burning work of the boiler is ensured.

[0025] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A biomass pellet stove with improved structure, comprising a stove body (1), characterized in that: The both sides of the furnace body (1) are equipped with side baffles (2), the bottom of the furnace body (1) is equipped with a base (7), the middle part of the front of the furnace body (1) is equipped with a storage cavity (3), the inside of the storage cavity (3) is mounted with a partition disc (4), the middle part of the partition disc (4) is equipped with a fireproof groove (13), the middle part of the front of the inside of the furnace body (1) is equipped with a combustion box (12), the bottom of the front of the inside of the furnace body (1) is equipped with a bottom box (9), the top of the back of the inside of the furnace body (1) is mounted with a biomass pellet bin (10), the middle part of the back of the inside of the furnace body (1) is mounted with a feeding mechanism (11), the bottom of the back of the inside of the furnace body (1) is mounted with a blower (14), the feeding mechanism (11) comprises an upper feeding pipe (16), a guide pipe (17) communicated at the bottom of the upper feeding pipe (16), a feeding hopper (18) communicated at the top of the upper feeding pipe (16) and a lower feeding pipe (19) communicated at the bottom of the guide pipe (17), one side of the upper feeding pipe (16) is equipped with a first motor (21), the bottom of one side of the guide pipe (17) is equipped with a fixed frame (20), the both sides of the fixed frame (20) are rotatably connected with transmission sprockets (24), a transmission chain (25) is arranged between the two transmission sprockets (24), one side of the back of the fixed frame (20) is equipped with a second motor (22), one side of the fixed frame (20) close to the second motor (22) is equipped with a speed reducer (23), the middle part of the outside of the lower feeding pipe (19) is connected with a mounting plate (26), the middle part of the mounting plate (26) is equipped with an ignition rod (27), the bottom of the mounting plate (26) is equipped with an air inlet pipe (28), the inside of the lower feeding pipe (19) and the inside of the upper feeding pipe (16) are rotatably mounted with feeding augers (29).

2. The biomass pellet stove with improved structure according to claim 1, characterized in that: The first motor (21) is electrically connected with an external timing switch, and the second motor (22) is electrically connected with an external switch panel.

3. The biomass pellet stove with improved structure according to claim 1, characterized in that: The bottom of the biomass pellet bin (10) is communicated with the top of the feeding hopper (18), and the top of the furnace body (1) is equipped with a feeding cover (5) corresponding to the biomass pellet bin (10).

4. The biomass pellet stove with improved structure according to claim 1, characterized in that: The output end of the first motor (21) is connected with the feeding auger (29) in the inside of the upper feeding pipe (16), and the top of the guide pipe (17) is communicated with one side of the bottom of the upper feeding pipe (16) away from the first motor (21).

5. The biomass pellet stove with improved structure according to claim 1, characterized in that: The output end of the second motor (22) is connected with the input end of the speed reducer (23), the output end of the speed reducer (23) is connected with one of the transmission sprockets (24), and the other transmission sprocket (24) is connected with the feeding auger (29) in the inside of the lower feeding pipe (19).

6. The biomass pellet stove with improved structure according to claim 1, characterized in that: The lower feeding pipe (19) extends to the inside of the combustion box (12), and the combustion box (12) corresponds to the fireproof groove (13), the middle part of the inner wall of the combustion box (12) is equipped with a screen, and the ignition rod (27) and the air inlet pipe (28) extend to the inside of the combustion box (12).

7. The biomass pellet stove with improved structure according to claim 1, characterized in that: The bottom of the back of the furnace body (1) is provided with an inspection cover (8), the middle part of the inspection cover (8) and the middle part of the side baffle (2) are provided with a plurality of heat dissipation and ventilation holes (6), the input end of the air blower (14) is communicated with an air inlet pipe (15) extending to the outside of the inspection cover (8), and the output end of the air blower (14) is communicated with the air inlet pipe (28).

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