CN203464255U

CN203464255U - Biomass boiler device

Info

Publication number: CN203464255U
Application number: CN201320420226.8U
Authority: CN
Inventors: 谭炜樑; 何宇锋; 秦勤
Original assignee: DONGGUAN YINGXIN ENERGY SAVING INVESTEMENT Co Ltd
Current assignee: DONGGUAN YINGXIN ENERGY SAVING INVESTEMENT Co Ltd
Priority date: 2013-07-16
Filing date: 2013-07-16
Publication date: 2014-03-05
Anticipated expiration: 2023-07-16

Abstract

The utility model discloses a biomass boiler device, comprising a boiler (8), a hearth (1) is disposed at the middle lower part of the boiler (8), a combustion chamber (2) is disposed in the hearth (1), an ash discharging opening for discharge of ash is disposed in the combustion chamber (2), a first spiral feeding mechanism (4) is disposed below the combustion chamber (2), the ash discharging opening right faces the spiral feeding mechanism (4), a material inlet pipe (9) right faces an inlet of the combustion chamber (2), the material inlet pipe (9) is connected with a second spiral feeding mechanism (10), and an outlet of a grinder (6) right faces an inlet of the second spiral feeding mechanism (10). The biomass boiler device is characterized by more convenient use, improves the combustion rate of biomass fuel, and is energy-saving and environmentally-friendly to a greater extent.

Description

A kind of biomass boiler equipment

Technical field

The utility model relates to boiler technology field, more specifically to a kind of biomass boiler equipment of energy-conserving and environment-protective.

Background technology

Along with people are more and more higher to the requirement of energy-conserving and environment-protective, originally traditional employing coal as the boiler of fuel because fuel availability is low and the reason such as contaminated environment no longer can meet people's demand, appearance due to biomass fuel, the biomass boiler matching with it also arises at the historic moment, existing biomass boiler is mainly usingd straw as its fuel, in prior art, this kind of take the biomass boiler that straw is fuel is less, but also exist, uses inconvenience and the problem such as biomass fuel combustion rate is not high.

Summary of the invention

The purpose of this utility model is just to provide a kind of biomass boiler equipment, and it has the convenient feature of using, and it has also improved the combustion rate of biomass fuel, more energy-conserving, environment protection simultaneously.

For achieving the above object, a kind of biomass boiler equipment of the present utility model comprises a boiler, burner hearth is arranged on the position, middle and lower part of boiler, one combustion chamber is installed in described burner hearth, on described combustion chamber, be provided with an ash discharging hole of discharging for ashes, the below of combustion chamber is provided with the first screw feed mechanism, described ash discharging hole faces screw feed mechanism, feed pipe faces the entrance of combustion chamber, described feed pipe is connected with the second screw feed mechanism, and the outlet of grinder faces the entrance of the second screw feed mechanism.

As technique scheme preferably, in described combustion chamber, be provided with the igniter a little using.

As technique scheme preferably, the top that is positioned at burner hearth in described boiler is heat-exchanging chamber, water tank is arranged in heat-exchanging chamber.

As technique scheme preferably, described combustion chamber comprises combustion barrel, on described combustion barrel, form some air admission holes that spiral distributes that are, the outer ring of described combustion barrel is wound with ring body wall, between the inwall of the outer wall of described combustion barrel and ring body wall, form a cavity, on ring body wall, offer air inlet, described air inlet has connected blower fan.

As technique scheme preferably, the lower opening of described combustion barrel is hinged with two returning face plates that are semicircle shape, one end of bend pipe and combustion barrel are communicated with the cavity between ring body wall, and other end gas outlet is positioned at the below of returning face plate, and gas outlet faces returning face plate.

As technique scheme preferably, described the first screw feed mechanism and the second screw feed mechanism are all to consist of housing, rotating shaft and plates, described plates are looped around in rotating shaft in the shape of a spiral, and rotating shaft is arranged in housing, and the rear end of described rotating shaft is connected with motor.

The beneficial effects of the utility model are: the utlity model has a grinder; this grinder grinds biological material; make it present particle or be Powdered; then burn in the combustion chamber that is directly transported to boiler by screw feed mechanism; it is convenient in the use; and graininess or pulverous biological material can fully contact with air, improved the efficiency of combustion of biological material, can play the effect of energy-saving and emission-reduction.

In addition, on the combustion barrel of combustion chamber of the present utility model, form some air admission holes that spiral distributes that are, these some air admission holes are blown to it by blower fan, the gas being blown in combustion barrel makes the powdered biological material being placed in one be suspended state, these air admission holes are spiral distribution simultaneously, when entering combustion chamber, gas can in combustion barrel, rotate stirring, this can further mix with air pulverous biomass fuel, promote the combustion rate of biomass fuel, played the effect of energy-conserving and environment-protective.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the utility model is described further:

Fig. 1 is structural representation of the present utility model

Fig. 2 is the structural representation of combustion chamber

Fig. 3 is the structural representation of combustion barrel

Fig. 4 is the structural representation of screw feed mechanism

Fig. 5 is the installation site schematic diagram of returning face plate and bend pipe

In figure: 1, burner hearth; 2, combustion chamber; 3, blower fan; 4, the first screw feed mechanism; 5, motor; 6,, grinder; 7, water tank; 8, boiler; 9, feed pipe; 10, the second screw feed mechanism; 21, combustion barrel; 22, ring body wall; 23, air inlet; 24, air admission hole; 25, returning face plate; 26, bend pipe; 41, rotating shaft; 42, plates; 43, housing

The specific embodiment

Therefore the following stated only, for embodying the preferred embodiment of the utility model principle, does not limit protection domain of the present utility model:

As Fig. 1 to 5 is depicted as the embodiment of a kind of biomass boiler equipment of the utility model, it comprises a boiler 8, burner hearth 1 is arranged on the position, middle and lower part of boiler 8, one combustion chamber 2 is installed in described burner hearth 8, on described combustion chamber 2, be provided with an ash discharging hole of discharging for ashes, the below of combustion chamber 2 is provided with the first screw feed mechanism 4, described ash discharging hole faces screw feed mechanism 4, feed pipe 9 faces the entrance of combustion chamber 2, this feed pipe 9 is oblique layout, described feed pipe 9 is connected with the second screw feed mechanism 10, the outlet of grinder 6 faces the entrance of the second screw feed mechanism 10, in the present embodiment, for the convenient collection to combustion ash, between combustion chamber 2 and the first screw feed mechanism 4, be provided with one and be trumpet-shaped interlayer, the horn mouth of this interlayer is facing to the first screw feed mechanism 4.

In combustion chamber 2, be provided with the igniter a little using, in the present embodiment, this igniter is electric control igniter, and it is controlled by control system.

In addition, in the present embodiment, the top that is positioned at burner hearth 8 in boiler 8 is heat-exchanging chamber, and water tank 7 is arranged in heat-exchanging chamber, this water tank 7 has a water inlet and a delivery port, is communicated to respectively the external equipment of boiler 8 on water inlet and a delivery port by pipeline.

And in the present embodiment, combustion chamber 2 comprises combustion barrel 21, on combustion barrel 21, form some air admission holes 24 that spiral distributes that are, these some air admission holes 24 can be so that the air entering in combustion barrel 21 rotates, the air of rotation can form stirring, in this way can be so that biomass fuel mixes more fully with air and is more even, the outer ring of described combustion barrel 21 is wound with ring body wall 22, between the inwall of the outer wall of described combustion barrel 21 and ring body wall 22, form a cavity, mention all air admission holes 24 above and be all arranged in this cavity, this cavity is air inlet cavity, and on ring body wall 22, offer air inlet 23, described air inlet 23 has connected blower fan 3, blower fan 3 is given cavity air-blowing, air enters in combustion barrel 21 by air admission hole 24.

To solve in this way burning ash discharge problem afterwards in the present embodiment, lower opening at combustion barrel 21 is hinged with two returning face plates 25 that are semicircle shape, one end of bend pipe 26 and combustion barrel 21 are communicated with the cavity between ring body wall 22, other end gas outlet is positioned at the below of returning face plate 25, and gas outlet faces returning face plate 25, in working order, 26 pairs of returning face plates 25 of bend pipe blow afloat, two returning face plates 25 are horizontal, now the lower opening of combustion barrel 21 is in closed condition, after blower fan 3 stops blowing, bend pipe 26 has also stopped air blowing, returning face plate 25 is due under Action of Gravity Field automatic vertical at this moment, the lower opening of combustion barrel 21 is in open mode, ashes drop from below.

In the present embodiment, the first screw feed mechanism 4 and the second screw feed mechanism 10 are all to consist of housing 43, rotating shaft 41 and plates 42, and housing 43 is the Sheng body that holds use, and described plates 42 are looped around rotating shaft 11 in the shape of a spiral

, rotating shaft 41 is arranged in housing 43, and the rear end of described rotating shaft 41 is connected with motor 5, and in the present embodiment, plates 12 are right-hand screw.

In the present embodiment, the first screw feed mechanism 4 is for to rotarily drive by motor 5, ashes after burning are sent to the outside of boiler 8, and the second screw feed mechanism 10 is feeding feed mechanism, and it is pulverous biomass fuel and sends into combustion chamber 2 and burn after grinding is completed.

The utility model is in work, first by biological materials such as 6 pairs of straws of grinder, ground, make biological material be pulverulence, then by the second screw feed mechanism 10, the feed pipe 9 through oblique layout enters in combustion chamber 2, by 3 pairs of combustion chambers 2 of blower fan, blown afterwards, pulverous biological material is mixed abundant and even with air, then igniter is lighted, the heat of burning carries out exchange heat at heat-exchanging chamber and sends boiler 8 outsides, burning after ashes from combustion barrel 2 exit drop on the first screw feed mechanism 4, then by the first screw feed mechanism 4, discharge the outside of boiler 8.

Claims

1. a biomass boiler equipment, it comprises a boiler (8), burner hearth (1) is arranged on the position, middle and lower part of boiler (8), it is characterized in that: a combustion chamber (2) is installed in described burner hearth (8), on described combustion chamber (2), be provided with an ash discharging hole of discharging for ashes, the below of combustion chamber (2) is provided with the first screw feed mechanism (4), described ash discharging hole faces screw feed mechanism (4), feed pipe (9) faces the entrance of combustion chamber (2), described feed pipe (9) is connected with the second screw feed mechanism (10), the outlet of grinder (6) faces the entrance of the second screw feed mechanism (10).

2. a kind of biomass boiler equipment according to claim 1, is characterized in that: combustion chamber is provided with the igniter a little using in (2).

3. a kind of biomass boiler equipment according to claim 1, is characterized in that: the top that is positioned at burner hearth (8) in boiler (8) is heat-exchanging chamber, and water tank (7) is arranged in heat-exchanging chamber.

4. a kind of biomass boiler equipment according to claim 1, it is characterized in that: combustion chamber (2) comprise combustion barrel (21), on described combustion barrel (21), form some air admission holes (24) that spiral distributes that are, the outer ring of described combustion barrel (21) is wound with ring body wall (22), between the inwall of the outer wall of described combustion barrel (21) and ring body wall (22), form a cavity, on ring body wall (22), offer air inlet (23), described air inlet (23) has connected blower fan (3).

5. a kind of biomass boiler equipment according to claim 4, it is characterized in that: the lower opening of combustion barrel (21) is hinged with two returning face plates (25) that are semicircle shape, one end of bend pipe (26) and combustion barrel (21) are communicated with the cavity between ring body wall (22), other end gas outlet is positioned at the below of returning face plate (25), and gas outlet faces returning face plate (25).

6. a kind of biomass boiler equipment according to claim 4, it is characterized in that: the first screw feed mechanism (4) and the second screw feed mechanism (10) are all to consist of housing (43), rotating shaft (41) and plates (42), described plates (42) are looped around in rotating shaft (41) in the shape of a spiral, rotating shaft (41) is arranged in housing (43), and the rear end of described rotating shaft (41) is connected with motor (5).