CN102330970A

CN102330970A - Boiler combustor

Info

Publication number: CN102330970A
Application number: CN201110291464A
Authority: CN
Inventors: 董立军
Original assignee: 魏广廷
Current assignee: Chifeng Hongshan Holy Fire Biomass Energy Technology Development Co Ltd
Priority date: 2011-09-20
Filing date: 2011-09-20
Publication date: 2012-01-25
Anticipated expiration: 2031-09-20
Also published as: CN102330970B

Abstract

The invention discloses a boiler combustor, which comprises a fuel bunker, a first combustion chamber, a second combustion chamber and an air distribution pipeline, wherein the upper part of the fuel bunker is provided with a feed port; the second combustion chamber is a cylindrical combustion chamber of which the front end is provided with a fire spitting port of a shrunk structure; the fuel bunker is arranged above the second combustion chamber; the first combustion chamber which extends downwards is formed on one side or two sides of the fuel bunker; the lower part of the first combustion chamber is provided with a slag discharge port and a slag discharge door; a fire passing port is formed between the first combustion chamber and the second combustion chamber; a water jacket is arranged at the periphery of the fuel bunker, the first combustion chamber and the second combustion chamber; the air distribution pipeline comprises a main air distribution pipe, a main air supply pipe and an auxiliary air supply pipeline; the main air distribution pipe is positioned on the rear part of the second combustion chamber; the main air supply pipe is used for supplying air for the second combustion chamber; and the auxiliary air supply pipeline is used for supplying air for the fire spitting port. After being provided with the boiler combustor, a bathing pool boiler or an industrial boiler can combust a biomass fuel; the boiler combustor is easy to assemble and high in heat efficiency, is energy-saving and environmentally-friendly, has a simple overall structure and a rational design, is low in manufacturing cost and can be widely applied to the bathing pool boiler or the industrial boiler.

Description

Boiler-burner

Technical field

The present invention relates to a kind of boiler, especially a kind of boiler-burner.

Background technology

The bath boiler in the city and the Industrial Boiler of enterprise all are coal-burning boilers, and according to requirement on environmental protection, these boilers are all undesirable, and especially sulfur dioxide (SO2) emissions do not meet environmental requirement.The cattle and sheep ight soil of large-scale plant; The straw in surrounding city rural area; All be the biomass fuel that does not make full use of, in recent years, along with the development of biomass block machinery; For good basis has been laid in the utilization of biomass fuel, can be compressed into piece or granular fuel to cattle and sheep ight soil that is not easy to store and transports and straw.The bath boiler of prior art and Industrial Boiler all are not suitable for biomass fuel.

Summary of the invention

The objective of the invention is to overcome the deficiency of prior art, provide a kind of simple and reasonable, the thermal efficiency is high, with bath boiler or the supporting use of Industrial Boiler, with the boiler-burner of biomass fuel for mainly being over.

The objective of the invention is to realize like this: a kind of boiler-burner; It comprises that fuel compartment, first combustion chamber, second combustion chamber and the air distribution pipeline of charge door arranged at top; It is characterized in that: described second combustion chamber is the tubular combustion chamber that front end has closing in structure bocca; Be fuel compartment above second combustion chamber; The one or both sides of fuel compartment are to first combustion chamber that extends below, and the bottom of first combustion chamber is slag-drip opening and ash gate, are provided with burner between first combustion chamber and second combustion chamber; The periphery of fuel compartment, first combustion chamber and second combustion chamber is a water jacket; Described air distribution pipeline comprises the main aid distributing pipe that is positioned at rear portion, second combustion chamber, on main aid distributing pipe, has to be communicated to rear end, second combustion chamber and to give airduct for the master of the second combustion chamber air feed, be communicated to the outside, first combustion chamber and give time giving the airduct road, being communicated to bocca and giving the auxiliary to the airduct road of bocca air feed of the first combustion chamber air feed.

Described ash gate comprises the rotating shaft that action bars is arranged through a rack-mounted end; Fixing two fan-shaped support plates in the rotating shaft; The outer rim of fan-shaped support plate is fixed an arc, and a side of arc center line is determined slag notch, at the arc position of center line some disintegrating slag teeth is arranged.The arc shutoff of this ash gate is on the slag-drip opening of the bottom of first combustion chamber, and the driving operations bar makes arc center on the rotating shaft rotation, can open or seal slag-drip opening, and the disintegrating slag tooth can also be smashed the slag of caking simultaneously, helps slag and discharges smoothly.

Described fuel compartment charge door is provided with sealed hatchcover, and described sealed hatchcover is a water-stop formula hatchcover.

Both sides, said second combustion chamber all be fuel compartment to first combustion chamber that extends below, be provided with 2～5 between two first combustion chambers and second combustion chamber respectively and cross burners.

The described time airduct of time giving of comprising for the airduct road to be positioned at the outside, first combustion chamber is provided with some tuyeres of giving that lead to inner air port, first combustion chamber to mouthful direction that catches fire inferior on to airduct.

Described auxiliary auxiliary airduct and the annular that is positioned at the bocca position of giving of comprising for the airduct road to be interconnected given airduct, annular to be provided with on the airduct a plurality of annular arrangements lead to bocca inside to tuyere.

The present invention compares its advantage and is with prior art:

(1) boiler-burner of designing according to said structure of the present invention; Mainly solve with coal is that the bath boiler or the Industrial Boiler of fuel can not burn the fast problem of biomass fuel; Bath boiler or Industrial Boiler are equipped with the present invention can transform original boiler; Install as long as the bocca of this boiler-burner is aimed in the combustion chamber of existing boiler, just can achieve the goal.

(2) the present invention includes water jacket, water jacket can pass through pipeline and bath boiler or Industrial Boiler intercommunication, and the heat that produces at boiler-burner has also passed to boiler, has improved the thermal efficiency.

(3) its air distribution pipeline comprises main airduct, the inferior airduct road and auxiliary to the airduct road of giving given, and gives wind through three times, makes whole combustion process oxygen supply sufficient reasonable, has greatly improved the thermal efficiency of biomass fuel.

(4) the ash gate design is ingenious rationally, and the lime-ash discharging of having burnt is easy and convenient, has particularly designed the disintegrating slag tooth, in the process of opening or closing ash gate, just can smash cinder, helps lime-ash and discharges smoothly.

(5) overall structure of the present invention is simple, and is reasonable in design, cheap, can extensive use on bath boiler or Industrial Boiler.

Description of drawings

Fig. 1 is the boiler-burner first visual angle perspective view of the present invention;

Fig. 2 is the boiler-burner second visual angle perspective view of the present invention;

Fig. 3 is that to remove the periphery be fuel compartment, first combustion chamber, second combustion chamber and ash gate perspective view after fuel compartment and front, first combustion chamber are dissectd behind the water jacket in the present invention;

Fig. 4 is frame of the present invention and ash gate perspective view;

Fig. 5 is an air distribution pipeline perspective view of the present invention;

Among the figure: 1. frame, 2. water jacket, 3. sealed hatchcover, 4. second combustion chamber, 5. bocca, 6. main aid distributing pipe; 7. the inferior airduct of giving, 8. auxiliary to airduct, 9. annular is given airduct, 10. rotating shaft, 11. action bars; 12. fan-shaped support plate, 13. arcs, 14. charge doors, 15. fuel compartments, 16. first combustion chambers; 17. cross burner, 18. slag-drip openings, 19. slag notches, 20. disintegrating slag teeth, the 21. main airducts of giving.

The specific embodiment

Below in conjunction with accompanying drawing the present invention is described in detail.

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5; A kind of boiler-burner; It comprises that fuel compartment 15, first combustion chamber 16, second combustion chamber 4 and the air distribution pipeline of charge door 14 arranged at top; Described second combustion chamber 4 is tubular combustion chambers that front end has closing in structure bocca 5, is fuel compartment 15 above second combustion chamber, and the both sides of fuel compartment 15 are to first combustion chamber 16 that extends below; The bottom of first combustion chamber 16 is slag-drip opening 18 and ash gate, is provided with three between first combustion chamber 16 and second combustion chamber 4 and crosses burner 17; The periphery of fuel compartment 15, first combustion chamber 16 and second combustion chamber 4 is water jackets 2; Described air distribution pipeline comprises the main aid distributing pipe 6 that is positioned at 4 rear portions, second combustion chamber, on main aid distributing pipe 6, has to be communicated to 4 rear ends, second combustion chamber and to give airduct 21 for the master of second combustion chamber, 4 air feeds; On main aid distributing pipe 6, have to be communicated to the inferior airduct road 7 of giving that first combustion chamber, 16 air feeds are given in 16 outsides, first combustion chamber, 18 tuyeres of giving that lead to 16 inner air ports, first combustion chamber to mouthful 17 directions that catch fire are set on the airduct 7 inferior giving; On main aid distributing pipe 6, have and be communicated to bocca 5 assisting to bocca 5 air feeds to the airduct road; Auxiliary auxiliary airduct 8 and the annular that is positioned at bocca 5 positions of giving of comprising for the airduct road to be interconnected given airduct 9, annular give be provided with on the airduct 9 five annular arrangements lead to bocca 5 inside to tuyere.

Described ash gate comprises through being installed in a end on the frame 1 has the rotating shaft 10 of action bars 11; Fixing two fan-shaped support plates 12 in the rotating shaft 10; The outer rim of fan-shaped support plate 12 is fixed an arc 13; One side of arc 13 center lines is determined slag notch 19, at the arc position of center line eight disintegrating slag teeth 20 is arranged.

Described fuel compartment 15 charge doors 14 are provided with sealed hatchcover 3, and described sealed hatchcover 3 is water-stop formula hatchcovers.

After should be noted that; Above content is only in order to explain technical scheme of the present invention; But not to the restriction of protection domain of the present invention, the simple modification that those of ordinary skill in the art carries out technical scheme of the present invention or be equal to replacement does not all break away from the essence and the scope of technical scheme of the present invention.

Claims

1. boiler-burner; It comprises that fuel compartment (15), first combustion chamber (16), second combustion chamber (4) and the air distribution pipeline of charge door (14) arranged at top; It is characterized in that: described second combustion chamber (4) is the tubular combustion chamber that front end has closing in structure bocca (5); It above second combustion chamber fuel compartment (15); The one or both sides of fuel compartment (15) are to first combustion chamber (16) that extends below, and the bottom of first combustion chamber (16) is slag-drip opening (18) and ash gate, are provided with burner (17) between first combustion chamber (16) and second combustion chamber (4); The periphery of fuel compartment (15), first combustion chamber (16) and second combustion chamber (4) is water jacket (2); Described air distribution pipeline comprises the main aid distributing pipe (6) that is positioned at rear portion, second combustion chamber (4), on main aid distributing pipe (6), has to be communicated to rear end, second combustion chamber (4) and to give airduct (21) for the master of second combustion chamber (4) air feed, be communicated to the outside, first combustion chamber (16) and give time giving airduct road (7), being communicated to bocca (5) and giving the auxiliary to the airduct road of bocca (5) air feed of first combustion chamber (16) air feed.

2. boiler-burner according to claim 1; It is characterized in that: described ash gate comprises through being installed in a end on the frame (1) has the rotating shaft (10) of action bars (11); Fixing two fan-shaped support plates (12) are gone up in rotating shaft (10); The outer rim of fan-shaped support plate (12) is fixed an arc (13), and a side of arc (13) center line is determined slag notch (19), at the arc position of center line some disintegrating slag teeth (20) is arranged.

3. boiler-burner according to claim 3 is characterized in that: described fuel compartment (15) charge door (14) is provided with sealed hatchcover (3), and described sealed hatchcover (3) is a water-stop formula hatchcover.

4. according to claim 1,2 or 3 any described boiler-burners; It is characterized in that: both sides, said second combustion chamber (4) all be fuel compartment (15) to first combustion chamber (16) that extends below, be provided with 2～5 between two first combustion chambers (16) and second combustion chamber (4) respectively and cross burners (17).

5. boiler-burner according to claim 4; It is characterized in that: described time comprise for the airduct road to be positioned at the outside, first combustion chamber (4) time give airduct (7), inferior giving some tuyeres of giving that lead to inner air port, first combustion chamber (16) to mouthful (17) direction that catches fire are set on the airduct (7).

6. boiler-burner according to claim 5; It is characterized in that: described auxiliary auxiliary airduct (8) and the annular that is positioned at bocca (5) position of giving of comprising for the airduct road to be interconnected given airduct (9), annular to be provided with on the airduct (9) a plurality of annular arrangements lead to bocca (5) inside to tuyere.