CN201262427Y

CN201262427Y - Multifunctional stalk boiler

Info

Publication number: CN201262427Y
Application number: CNU2008200152004U
Authority: CN
Inventors: 庞明礼
Original assignee: 沈阳热得孚秸杆燃烧科技有限公司
Priority date: 2008-08-25
Filing date: 2008-08-25
Publication date: 2009-06-24

Abstract

A multifunctional straw boiler relates to the improvement of the structure of the straw boiler. The utility model aims at providing a multifunctional straw boiler with good combustion efficiency. The boiler comprises a boiler body and the structural feature thereof is that the boiler body comprises a combustor and a heating device, wherein, the combustor comprises a combustion chamber, the bottom of the combustion chamber is a dropping slag baffle with ventilation holes, an outlet at the bottom of the dropping slag baffle is provided with a slagging screw; a secondary air duct is arranged between the shell and the boiler wall with ventilation holes; the outlet of the combustion chamber is designed to be a rotational flow spout with helical blades; the feeding port of the combustion chamber is provided with an electrical heater which is connected with a material-conveying pipe with a feeding screw internally and a fuel bin at the upper part, and the feeding screw is internally provided with an ignition air duct; the heating device comprises an oven mouth above the combustion chamber, and a flue above the combustion chamber is connected with a smoke evacuation port by a heat exchanger; and an ash groove is arranged below the heat exchanger.

Description

A kind of multifunction straw boiler

Technical field:

The utility model relates to the improvement of straw boiler structure.

Background technology:

Present straw boiler combustion efficiency is undesirable, and function ratio is more single.

The utility model content:

The utility model is exactly at the problems referred to above, provides a kind of combustion efficiency good multifunction straw boiler.

For achieving the above object, the utility model adopts following technical scheme, and the utility model comprises body of heater, and its structural feature is that body of heater is made of burner, heater; Described burner comprises the combustion chamber, and the bottom of combustion chamber is the slag baffle plate that falls with air vent, and the outlet at bottom place of the slag baffle plate that falls is the screw rod of slagging tap; The furnace wall with air vent of combustion chamber is with being secondary air duct between the housing; The outlet of combustion chamber is the eddy flow spout with helical blade; The feeding mouth place of combustion chamber is provided with electric heater, electric heater with in have feeding spiro rod, on have a Bunker conveying pipeline link to each other, be provided with ignition air duct in the feeding spiro rod; Described heater comprises the kitchen range mouth of top, combustion chamber, and the flue of top, combustion chamber links to each other with exhaust opening by heat exchanger; The below of heat exchanger is an ash-pit.

The beneficial effects of the utility model:

1, efficiency of combustion height:

The air vent of the utility model by the slag baffle plate that falls enters a wind in the combustion chamber, reach the secondary wind that enters the combustion chamber by the air vent on the furnace wall, make fuel in the combustion chamber, form strong vortex, at this moment, fuel fully mixes with air, has not only prolonged burning time, and, make full combustion of fuel, improved efficiency of combustion;

2, igniting is simple:

During the utility model igniting, utilize the electric heater heating fuel, the ignition air duct in feeding spiro rod feeds gentle breeze then, makes ignited fuel, and therefore, ignition process is simple;

3, it is strong to go out firepower:

Because exit of the present utility model is provided with the eddy flow spout with helical blade, the whirlwind of the height of sending rotation, high-temperature is easier to heat heated equipment;

4, deslagging is effective:

The utility model adopts the screw rod deslagging of slagging tap, and makes the residue of stalk be not easy to accumulate, and discharge at any time also helps simultaneously good combustion efficiency;

5, multi-functional:

The kitchen range mouth of the top, combustion chamber of heater of the present utility model, the flue of top, combustion chamber links to each other with exhaust opening by heat exchanger; The below of heat exchanger is an ash-pit; Utilize the kitchen range mouth to can be used for doing cooking, utilize in the heat exchanger heating clamber or greenhouse temperature, utilize in the clean flue gas heating clamber that exhaust opening discharges or the temperature of booth etc., can reach a tractor serves several purposes, for user's use provides convenience.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the B-B cutaway view of Fig. 1;

Fig. 4 is that the K of Fig. 1 is to view.

The specific embodiment:

The utility model comprises body of heater 21, and body of heater 21 is made of burner 17, heater 13; Described burner 17 comprises combustion chamber 18, and the bottom of combustion chamber 18 is the slag baffle plate 5 that falls with air vent 6, and outlet at bottom 4 places of the slag baffle plate 5 that falls are the screw rod 2 of slagging tap; The furnace wall with air vent 20 9 of combustion chamber 18 is with being secondary air duct 7 between the housing 8; The outlet of combustion chamber 18 is the eddy flow spout 19 with helical blade 32; The feeding mouth place of combustion chamber 18 is provided with electric heater 23, electric heater 23 with in have feeding spiro rod 25, on have a Bunker 22 conveying pipeline 24 link to each other, be provided with ignition air duct 26 in the feeding spiro rod 25; Described heater 13 comprises the kitchen range mouth 16 of 18 tops, combustion chamber, and the flue 14 of 18 tops, combustion chamber links to each other with exhaust opening 11 by heat exchanger 12; The below of heat exchanger 12 is an ash-pit 1.

Combustion chamber 18 is a horn mouth 15 with the top of the combustion chamber between the kitchen range mouth 16 18, so that the flame in the increase combustion chamber 18 and the contact-making surface of kitchen range.

For the flue dust in the flue 14 is fallen in the ash-pit 1 better, flue is provided with flue dust flap 3 for 14 li above ash-pit 1.

11 places are provided with blower fan 10 at exhaust opening, so that the quick discharge of flue gas.

Air vent 20 is oblique following; Flue gases in the combustion chamber 18 are formed move downward vortex, fuel mixes more fully with air, fuel combustion more abundant.

Air pump 28 links to each other with secondary air duct 7 by pipeline 27; Air pump 28 links to each other with the ignition air duct in the feeding spiro rod 25 26 by pipeline 29.

Slagging tap screw rod 2 and feeding spiro rod 25 all can be by 30 driving of same motor.

Outside the bottom of body of heater 21, slag baffle plate 5 places that fall relatively are provided with blower fan 31; Fall air vent 6 air-supply of slag baffle plate 5 of 31 pairs of blower fans.

Below in conjunction with a description of drawings course of action of the present utility model:

Send into stalk fuel by Bunker 22, after feeding spiro rod 25 is sent into it in combustion chamber 18; Start electric heater 23, stalk fuel is heated when being preheated to 300 ℃-400 ℃, be blown into micro-wind, the stalk of the dark combustion of gasifying is blown out naked light by ignition air duct 26, thus the fuel in the ignition combustion chamber 18.At this moment, close electric heater 23, open feeding spiro rod 25 simultaneously, blower fan 31 is sent into a wind in the combustion chamber 18 by the air vent 6 on the slag baffle plate 5 that falls.Secondary wind is sent into 20-36KPa by air pump 28 and is pressed wind-force, and the pressure air of secondary wind is preheating to 90 ℃-380 ℃ through furnace wall 9, adopts ejector principle, tangentially enters combustion chamber 18 by air vent 20, forms the vortex that moves downward; Combine with volatilization gas and fuel in the flame in the decline process, give kitchen range by the flame of eddy flow spout 19 ejections, flue gas is discharged by heat exchanger 12, exhaust opening 11 simultaneously; Just can utilize the flame in the kitchen range mouth 16 to do the work of kitchen range thing; Utilize in heat exchanger 12 heating clambers or booth; The clean flue gas of utilization behind flue dust flap 3 is again in exhaust opening 11 is discharged heating clambers or booth etc.; Under cyclonic action, unburnt particle and soot particle are separated in the flame, fall into slag baffle plate 5, and screw rod 2 is sent by slagging tap.

Claims

1, a kind of multifunction straw boiler comprises body of heater (21), it is characterized in that body of heater (21) is made of burner (17), heater (13); Described burner (17) comprises combustion chamber (18), and the bottom of combustion chamber (18) is for having the slag baffle plate (5) that falls of air vent (6), and the outlet at bottom (4) of slag baffle plate (5) that fall locates to be the screw rod of slagging tap (2); Be secondary air duct (7) between the same housing in furnace wall with air vent (20) (9) (8) of combustion chamber (18); The outlet of combustion chamber (18) is for having the eddy flow spout (19) of helical blade (32); The feeding mouth place of combustion chamber (18) is provided with electric heater (23), electric heater (23) with in have feeding spiro rod (25), on have Bunker (22) conveying pipeline (24) link to each other, be provided with ignition air duct (26) in the feeding spiro rod (25); Described heater (13) comprises the kitchen range mouth (16) of top, combustion chamber (18), and the flue (14) of combustion chamber (18) top links to each other by the same exhaust opening of heat exchanger (12) (11); The below of heat exchanger (12) is ash-pit (1).

2, a kind of multifunction straw boiler according to claim 1 is characterized in that combustion chamber (18) is horn mouth (15) with the top of the combustion chamber (18) between the kitchen range mouth (16).

3, a kind of multifunction straw boiler according to claim 1 is characterized in that being provided with flue dust flap (3) in flue (14) lining, ash-pit (1) top.

4, a kind of multifunction straw boiler according to claim 1 is characterized in that locating to be provided with blower fan (10) at exhaust opening (11).

5, a kind of multifunction straw boiler according to claim 1 is characterized in that air vent (20) is under oblique.

6, a kind of multifunction straw boiler according to claim 1 is characterized in that air pump (28) links to each other by the same secondary air duct of pipeline (27) (7); Air pump (28) links to each other by the ignition air duct (26) in the same feeding spiro rod of pipeline (29) (25).

7, a kind of multifunction straw boiler according to claim 1, it is characterized in that slagging tap screw rod (2) and feeding spiro rod (25) drive by same motor (30).

8, a kind of multifunction straw boiler according to claim 1 is characterized in that outside the bottom of body of heater (21), and the slag baffle plate (5) that falls relatively locates to be provided with blower fan (31).