CN214064894U

CN214064894U - High-energy-efficiency biomass boiler

Info

Publication number: CN214064894U
Application number: CN202022796061.7U
Authority: CN
Inventors: 张磊
Original assignee: Renqiu Li'an New Energy Technology Co ltd
Current assignee: Renqiu Li'an New Energy Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-27
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a high energy efficiency biomass boiler relates to the biomass boiler field, including the boiler body, the fuel fill is installed at boiler body top, fuel fill bottom is equipped with preheats the dispersion chamber, it is equipped with the combustion chamber to preheat dispersion chamber bottom one side, preheat the dispersion chamber and the combustion chamber internally mounted and preheat dispersion mechanism, it includes two hollow helices to preheat dispersion mechanism. The utility model discloses a driving motor drives two hollow spirals and rotates with opposite direction, extrude the slope of combustion chamber with biomass fuel from preheating the dispersion chamber and divide the material net on, cut the dispersion to biomass fuel, triangular wheel normal running fit reset spring drives the slope and divides the material net luffing motion, make accumulational fuel fall the burning, and heat in the heat pump lets in hollow spiral with the steam in the combustion chamber in advance, and discharge by the gas vent, preheat biomass fuel, be convenient for ignite fast, improve the burning efficiency.

Description

High-energy-efficiency biomass boiler

Technical Field

The utility model relates to a biomass boiler field, in particular to high energy efficiency biomass boiler.

Background

Traditional coal fired boiler uses coal as fuel, produces heat energy after the coal burning, and waste gas is discharged by the pipe of discharging fume, and biomass boiler compares in traditional coal fired boiler, and the waste gas of emission is environmental protection more, can carry out effectual protection to the environment.

In the prior art, biomass fuel of a biomass boiler is accumulated in a combustion chamber continuously, is difficult to be fully combusted, has low temperature, is difficult to reach a combustion point quickly, and reduces energy efficiency.

Therefore, it is necessary to solve the above problems in an energy efficient biomass boiler.

Disclosure of Invention

An object of the utility model is to provide an energy-efficient biomass boiler to solve the lower problem of efficiency that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-energy-efficiency biomass boiler comprises a boiler body, wherein a fuel hopper is installed at the top of the boiler body, a preheating dispersion cavity is arranged at the bottom of the fuel hopper, a combustion chamber is arranged on one side of the bottom of the preheating dispersion cavity, and preheating dispersion mechanisms are installed inside the preheating dispersion cavity and the combustion chamber;

the preheating and dispersing mechanism comprises two hollow spirals, a plurality of exhaust ports are formed in the surfaces of the two hollow spirals, a plurality of separation nets are fixedly connected to the surfaces of the exhaust ports, one ends of the two hollow spirals are fixedly connected with connecting gears, the two connecting gears are meshed with each other, one end of the connecting gear is fixedly connected with a connecting shaft, the end part of the connecting shaft is fixedly connected with a driving motor, one ends of the two hollow spirals, far away from the connecting gears, are fixedly connected with rotary joints, one ends of the rotary joints, far away from the hollow spirals, are fixedly connected with preheating pipes, the end part of the preheating pipes is fixedly connected with a preheating pump, one side of the preheating pump is connected with a connecting pipe, the connecting pipe is communicated with a combustion chamber, the end part of the connecting pipe is fixedly connected with a filter screen, an inclined material distributing net is hinged inside the combustion chamber, and a connecting rod is fixedly connected to the free end of the inclined material distributing net, the connecting rod top fixedly connected with reset spring, the connecting rod bottom is equipped with the triangle wheel, triangle wheel tip fixedly connected with transmission shaft, the equal fixedly connected with drive sprocket in drive shaft tip and connecting axle surface, two drive chain has cup jointed between the drive sprocket.

Preferably, the two hollow spirals are rotatably connected with the inner wall of the preheating dispersion cavity and rotatably connected with the preheating pipe through a rotary joint, so that hot gas can be introduced into the hollow spirals during rotation.

Preferably, the combustion support is fixedly connected to the bottom of the inner side of the combustion chamber, and an ash discharge cavity is formed in the bottom of the combustion support, so that dust generated by combustion can fall into the ash discharge cavity.

Preferably, arrange grey chamber one side and be equipped with the ash discharge door, the ash discharge door is articulated with boiler body, can prevent that cold air from entering into combustion chamber inside when burning.

Preferably, the top of the combustion chamber is fixedly connected with a smoke exhaust pipe, and the top of the smoke exhaust pipe is fixedly provided with a purification mechanism which can purify waste gas exhausted by the smoke exhaust pipe.

Preferably, purification mechanism includes the mounting bracket, the mounting bracket passes through bolt and tub fixed connection of discharging fume, conveniently installs and changes purification mechanism.

Preferably, the inside fixedly connected with active carbon filtering layer of mounting bracket, the equal fixedly connected with protection filter screen in active carbon filtering layer top and bottom can improve the purifying effect to waste gas.

The utility model discloses a technological effect and advantage:

1. the biomass fuel is extruded to the inclined distribution net of the combustion chamber from the preheating dispersion cavity by driving the two hollow screws to rotate in opposite directions through the driving motor, the biomass fuel is cut and dispersed, the triangular wheel rotates and is matched with the return spring to drive the inclined distribution net to swing up and down, so that the accumulated fuel falls down for combustion, the preheating pump introduces hot gas in the combustion chamber into the hollow screws through the connecting pipe and discharges the hot gas from the exhaust port, the biomass fuel is preheated, the quick ignition is facilitated, and the combustion efficiency is improved;

2. through setting up purification mechanism, utilize the active carbon filtering layer can carry out effectual adsorption and filtration to the exhaust waste gas of the pipe of discharging fume to utilize the protection filter screen to filter the large granule, thereby can play fine guard action to the environment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a structure in fig. 1.

Fig. 3 is a schematic view of the triangular wheel structure of the present invention.

Fig. 4 is a schematic view of the structure of the smoke exhaust pipe of the present invention.

In the figure: 1. a boiler body; 2. a fuel hopper; 3. preheating a dispersion cavity; 4. a combustion chamber; 5. a preheating dispersion mechanism; 6. a hollow helix; 7. an exhaust port; 8. an isolation net; 9. a connecting gear; 10. a connecting shaft; 11. a drive motor; 12. a rotary joint; 13. a preheating pipe; 14. a pre-heat pump; 15. a connecting pipe; 16. inclining the material distribution net; 17. a connecting rod; 18. a return spring; 19. a triangular wheel; 20. a drive shaft; 21. a drive sprocket; 22. a drive chain; 23. a combustion support; 24. an ash discharge cavity; 25. a dust discharge door; 26. a smoke exhaust pipe; 27. a purification mechanism; 28. an active carbon filter layer; 29. and protecting the filter screen.

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.

The utility model provides a high-energy-efficiency biomass boiler as shown in figures 1-4, as shown in figures 1-3, comprising a boiler body 1, a fuel hopper 2 is installed at the top of the boiler body 1, a preheating dispersion cavity 3 is arranged at the bottom of the fuel hopper 2, a combustion chamber 4 is arranged at one side of the bottom of the preheating dispersion cavity 3, and the preheating dispersion cavity 3 can be used for preheating and dispersing biomass fuel, so that the combustion energy efficiency can be improved;

secondly, a preheating dispersion mechanism 5 is arranged inside the preheating dispersion cavity 3 and the combustion chamber 4, the preheating dispersion mechanism 5 comprises two hollow spirals 6, the two hollow spirals 6 are rotatably connected with the inner wall of the preheating dispersion cavity 3, the two hollow spirals 6 are rotatably connected with a preheating pipe 13 through a rotary joint 12, so that hot air can be introduced into the hollow spirals 6 during rotation, a plurality of exhaust ports 7 are formed in the surfaces of the two hollow spirals 6, isolation nets 8 are fixedly connected to the surfaces of the exhaust ports 7, biomass fuel can be prevented from entering the hollow spirals 6 through the exhaust ports 7, one ends of the two hollow spirals 6 are fixedly connected with connecting gears 9, the two connecting gears 9 are mutually engaged, so that the two hollow spirals 6 can rotate in opposite directions to extrude, disperse and preheat the fuel, one end of one connecting gear 9 is fixedly connected with a connecting shaft 10, the end part of the connecting shaft 10 is fixedly connected with a driving motor 11, the driving motor 11 can drive the two hollow screws 6 to send out fuel, and the fuel is subjected to dispersive cutting and preheating, so that the fuel can be fully combusted;

furthermore, one end of each of the two hollow screws 6, which is far away from the connecting gear 9, is fixedly connected with a rotary joint 12, one end of each of the rotary joints 12, which is far away from the hollow screw 6, is fixedly connected with a preheating pipe 13, the end part of each preheating pipe 13 is fixedly connected with a preheating pump 14, which can feed the gas in the combustion chamber 4 into the hollow screw 6, one side of each preheating pump 14 is connected with a connecting pipe 15, the connecting pipe 15 is communicated with the combustion chamber 4, the end part of each connecting pipe 15 is fixedly connected with a filter screen, which can prevent the dust in the combustion chamber 4 from entering the connecting pipe 15, the combustion chamber 4 is internally articulated with an inclined material distribution net 16, the free end of the inclined material distribution net 16 is fixedly connected with a connecting rod 17, the top of the connecting rod 17 is fixedly connected with a return spring 18, the bottom of the connecting rod 17 is provided with a triangular wheel 19, and the end part of the triangular wheel 19 is fixedly connected with a transmission shaft 20, the end part of the transmission shaft 20 and the surface of the connecting shaft 10 are fixedly connected with transmission chain wheels 21, and a transmission chain 22 is sleeved between the two transmission chain wheels 21, so that a triangular wheel 19 can be driven to rotate by a driving motor 11, and the triangular wheel 19 is matched with a return spring 18 to drive the inclined material distribution net 16 to continuously swing up and down to disperse fuel;

finally, 4 inboard bottom fixedly connected with combustion support 23 of combustion chamber, combustion support 23 bottom is equipped with row ash chamber 24 for the produced dust of burning can fall into row ash chamber 24, row ash chamber 24 one side is equipped with row ash door 25, row ash door 25 is articulated with boiler body 1, can prevent that the cold air from entering into combustion chamber 4 inside when burning, the convenient dust that will burn the production is discharged.

As shown in fig. 4, 4 top fixedly connected with of combustion

chamber discharge fume

26, 26 top fixedly mounted of discharge fume has purification mechanism 27, can purify the exhaust gas of 26 exhaustfume, purification mechanism 27 includes the mounting bracket, the mounting bracket passes through the bolt and 26 fixed connection of discharge fume, conveniently installs and changes purification mechanism 27, the inside fixedly connected with active carbon filtering layer 28 of mounting bracket, the equal fixedly connected with protection filter screen 29 in active carbon filtering layer 28 top and bottom can improve the purifying effect to exhaust gas.

The utility model discloses the theory of operation:

in-service use the utility model discloses, open driving motor 11, driving motor 11 output shaft rotates and drives connecting axle 10 and rotate, connecting axle 10 rotates and drives two hollow helices 6 with opposite direction rotation through two intermeshing's connecting gear 9, extrude biomass fuel on the slope branch material net 16 of combustion chamber 4 from preheating dispersion chamber 3, cut the dispersion to biomass fuel, and connecting axle 10 rotates and drives triangle wheel 19 through drive chain 22 and drive sprocket 21 and rotates, triangle wheel 19 normal running fit reset spring 18 drives slope branch material net 16 luffing motion, make accumulational fuel fall the burning, and heat pump 14 lets in hollow helices 6 through the steam in connecting pipe 15 with combustion chamber 4 in advance, and discharge by gas vent 7, preheat biomass fuel, be convenient for ignite fast, improve the burning efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an energy-efficient biomass boiler, includes boiler body (1), its characterized in that: the boiler is characterized in that a fuel hopper (2) is installed at the top of the boiler body (1), a preheating dispersion cavity (3) is arranged at the bottom of the fuel hopper (2), a combustion chamber (4) is arranged on one side of the bottom of the preheating dispersion cavity (3), and preheating dispersion mechanisms (5) are installed inside the preheating dispersion cavity (3) and the combustion chamber (4);

the preheating and dispersing mechanism (5) comprises two hollow spirals (6), a plurality of exhaust ports (7) are formed in the surfaces of the two hollow spirals (6), a plurality of isolating nets (8) are fixedly connected to the surfaces of the exhaust ports (7), one end of each hollow spiral (6) is fixedly connected with a connecting gear (9), the two connecting gears (9) are meshed with each other, one end of each connecting gear (9) is fixedly connected with a connecting shaft (10), the end part of each connecting shaft (10) is fixedly connected with a driving motor (11), one end of each hollow spiral (6) far away from the connecting gear (9) is fixedly connected with a rotary joint (12), one end of each rotary joint (12) far away from the hollow spiral (6) is fixedly connected with a preheating pipe (13), and the end part of each preheating pipe (13) is fixedly connected with a preheating pump (14), preheating pump (14) one side is connected with connecting pipe (15), connecting pipe (15) are linked together with combustion chamber (4), connecting pipe (15) tip fixedly connected with filter screen, combustion chamber (4) inside articulated have slope branch material net (16), slope branch material net (16) free end fixedly connected with connecting rod (17), connecting rod (17) top fixedly connected with reset spring (18), connecting rod (17) bottom is equipped with triangle wheel (19), triangle wheel (19) tip fixedly connected with transmission shaft (20), equal fixedly connected with drive sprocket (21) in transmission shaft (20) tip and connecting axle (10) surface, two drive chain (22) have been cup jointed between drive sprocket (21).

2. The energy efficient biomass boiler of claim 1, wherein: the two hollow spirals (6) are rotatably connected with the inner wall of the preheating dispersion cavity (3), and the two hollow spirals (6) are rotatably connected with the preheating pipe (13) through a rotary joint (12).

3. The energy efficient biomass boiler of claim 1, wherein: the bottom of the inner side of the combustion chamber (4) is fixedly connected with a combustion support (23), and the bottom of the combustion support (23) is provided with an ash discharge cavity (24).

4. The energy efficient biomass boiler of claim 3, wherein: one side of the ash discharge cavity (24) is provided with an ash discharge door (25), and the ash discharge door (25) is hinged with the boiler body (1).

5. The energy efficient biomass boiler of claim 1, wherein: the top of the combustion chamber (4) is fixedly connected with a smoke exhaust pipe (26), and the top of the smoke exhaust pipe (26) is fixedly provided with a purification mechanism (27).

6. The energy efficient biomass boiler of claim 5, wherein: the purification mechanism (27) comprises a mounting frame, and the mounting frame is fixedly connected with the smoke exhaust pipe (26) through bolts.

7. The energy efficient biomass boiler of claim 6, wherein: the inside fixedly connected with active carbon filtering layer (28) of mounting bracket, equal fixedly connected with protection filter screen (29) in active carbon filtering layer (28) top and bottom.