CN201081400Y

CN201081400Y - Indirect air-flow hot-blast stove

Info

Publication number: CN201081400Y
Application number: CNU2007201746715U
Authority: CN
Inventors: 李华斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-20
Filing date: 2007-08-20
Publication date: 2008-07-02
Anticipated expiration: 2017-08-20

Abstract

An air stream indirect heating stove relates to a civil stove taking indirectly heated air stream as heat transfer medium. A smoke inducing port 11 extending out of a combustion chamber 7 enters a heat exchange chamber 14, a heat exchange air duct 12 passes through the heat exchange chamber 14 and is fixed by the heat exchange chamber 14, one end of the heat exchange air duct 12 is connected with a draft inducing port 15, the other end of the heat exchange air duct 12 is connected with a heat supply air duct 18, and a smoke passing port 19 extending out of the heat exchange chamber 14 enters a chimney 22. The utility model can be designed flexibly as required. The heat supply air duct can also be arranged flexibly and simply as required. The utility model adopts air as the heat exchange and supply medium, thereby not only carrying out heat transfer quickly and efficiently but also obviously reducing discharged pollutants like dust. The utility model has high combustion and heat exchange working efficiency of a fire box and meets environmental protection requirements with simple structure, remarkable fuel economization, reduced assembly cost, little occupied space, obvious effect of smoke and dust removal, and stable fire capable of keeping a high temperature and being not easy to blow out. The utility model can be widely applicable to rural areas, suburbs, and urban areas without central heating.

Description

Air-flow indirect wind furnace

Technical field

It is the domestic burners of heat transferring medium that the utility model relates to a kind of air stream with indirect, especially air-flow indirect wind furnace.

Background technology

At present, civilian normal-pressure boiler kind is more, is divided into vertically and horizontal from shape system, on the fuel combustion duty counter-burning type is arranged again, double-layer grate or the like technical scheme.When these technical schemes heat than large tracts of land in the solution drive, all take the aqueous medium circulation radiating mode in the heating furnace body water jacket, the atmospheric hot-water boiler of usually alleged native heating installation just, still there are many deficiencies in this stove in long-term the use, as because specification requirement, jacket water temperature need be lower than 100 ℃, make that burner hearth internal combustion temperature is lower, can not clean-burning burning of coal efficient very low, heat exchange efficiency be not high, and area of heat-supply service is subjected to bigger restriction, hot water heating pipe network easy-to-rust, the maintenance cost high life is short, in addition, the superpressure operation can take place when exhaust is not smooth cause the danger of exploding, hot water circuit pipeline consumptive material is huge in addition, it is higher that complicated cost is installed, and take the more interior space, influences indoor attractive in appearance and health.

Summary of the invention

The purpose of this utility model is, proposes a kind of air-flow indirect wind furnace, and promptly the air stream with indirect is the domestic burners of heat transferring medium, improves heat exchange efficiency and heating area, realizes safety, clean, energy-conservation use simultaneously.

The technical solution of the utility model is: fixed combustion chamber, body of heater middle part, drawing mouth is connected by the combustion chamber and to enter Heat Room, pass in the Heat Room and fixing heat exchange tracheae, heat exchange tracheae one end connects air-vent, the heat exchange tracheae other end connects the heat supply airduct, and smoke passing port is connected by Heat Room and to enter chimney.

The utility model is flexible design as required, heat supply airduct arranged is flexible and convenient installation as required also, in use, owing to adopt air as heat exchange and heating medium, not only can be fast and more efficient carry out thermal power transfer, the pollutants such as dust of Pai Chuing also obviously reduce simultaneously, burner hearth combustion heat-exchange high efficiency, compliance with environmental protection requirements, features simple structure, significantly fuel savings reduces installation cost, and it is minimum to take up room, pin fume and dust effect is obvious, the stable higher temperature that keeps of stove fire is difficult for extinguishing, and can be widely used in area, outskirts of a town, rural area, and the city of the central heating of being unrealized.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1

Reference numeral comprises: main combustion gas road 1, main combustion gas control gate 2, shoot door 3, middle door 4, fire grate 5, combustion-supporting air flue 6, combustion chamber 7, body of heater 8, fuel charging door 9, combustion-supporting inflatable mouth 10 draws mouth 11, heat exchange tracheae 12, dividing plate 13, Heat Room 14, air-vent 15, air-introduced machine 16, hot blast chamber 17, heat supply airduct 18, smoke passing port 19, dust-storage chamber 20, dedusting mouth 21, chimney 22, Heat Room maintenance door 23, new air compartment 24.

The specific embodiment

Embodiment 1: fixed combustion chamber, body of heater 8 middle part 7, drawing mouth 11 is connected by combustion chamber 7 and to enter Heat Room 14, pass in the Heat Room 14 and fixing heat exchange tracheae 12, heat exchange tracheae 12 1 ends connect air-vent 15, heat exchange tracheae 12 other ends connect heat supply airduct 18, and smoke passing port 19 is connected by Heat Room 14 and to enter chimney 22.

Combustion chamber 7 walls are made with flame-proof thermal insulation material, and more than the furnace temperature height to 800 ℃, coal fuel at high temperature can be realized abundant burning, and fuel availability improves, and unit of fuel produces heat significantly to be increased.

Combustion chamber 7 bottom fixed

grates

5,7 downsides fixing main combustion gas road 1 in combustion chamber in the body of heater 8.Main combustion gas road 1 oral area is fixed main combustion gas control gate 2.Lower temperature air pressure outside the body of heater is bigger, passes fire grate 5 through main combustion gas road 1 and enters combustion chamber 7 from bottom to top naturally, burns with the high-temperature fuel full contact after 7 heating of combustion chamber, and discharges a large amount of heats.Can adjust main combustion gas control gate 2 with working condition in the further control combustion chamber 7 as required.

Fixing shoot door 3 on body of heater 8 base wall, door 4 during body of heater 8 middle wall upper fire-gratings 5 correspondence positions are fixing, body of heater 8 top wall upper combustion chamber 7 top correspondence position fixed fuels add door 9.Open shoot door 3 and remove the ashes after the burning in the combustion chamber 7 that falls by fire grate 5 gaps, by the middle door 4 remaining slags that can remove on the fire grate 5, simultaneously the fuel on the fire grates 5 in the combustion chamber 7 is lighted a fire, can be from last direction combustion chamber add fuel in 7 by fuel charging door 9.

Open combustion-supporting inflatable mouth 10 on 7 top wall of combustion chamber, combustion-supporting air flue 6 is communicated with combustion chamber 7 downsides in combustion-supporting inflatable mouth 10 and the body of heater 8.Upper strata high-temperature fuel burning carrying out supplemental oxygen is combustion-supporting in combustion-supporting inflatable mouth 10 combustion chambers 7.Combustion-supporting back does not finally contain the most dust of unburned substantially through the flue gas that chimney 22 is discharged.

Combustion chamber 7 internal diameters are up-small and down-big shape.Can keep the gap between fuel that constantly sinks during burning and combustion chamber 7 inwalls, air feed stream passes through.

Stationary barrier 13 in the Heat Room 14.The high-temperature flue gas that is flowed out by combustion chamber 7 enters Heat Room 14 through drawing mouth 11, the a plurality of heat exchanging chambers that are separated out along dividing plate 13, effectively increase and change the ripe time and fully contact, by to the metal material heat conductivility preferably heat exchange tracheae 12 walls heat the interior air-flow of heat exchange tracheae 12.

Heat Room 14 tops connect hot blast chamber 17, heat exchange tracheae 12 suitable for reading opening in hot blast chamber 17, and hot blast chamber 17 is communicated with heat supply airduct 18.Heat Room 14 bottoms connect new air compartment 24, and heat exchange tracheae 12 end openings are opened on new air compartment 24 tops, have air-vent 15 on new air compartment 24 walls, fixing air-introduced machine 16 on the new air compartment 24.Fixing Heat Room maintenance door 23 on Heat Room 14 walls.Safeguard laying dust in the cleaning Heat Room 14 by Heat Room maintenance door 23.Can set up filter dirt damping device on air-vent 15 or the new air compartment 24.Pure and fresh Cryogenic air through air-vent 15 under air-introduced machine 16 effect, distribute to a plurality of heat exchange tracheae 12 end openings through new air compartment 24, when Cryogenic air rises along heat exchange tracheae 12, heat exchange heating in Heat Room 14, and carry a large amount of heats, by the heat exchange tracheae hot blast chambers 17 of converging suitable for reading 12, and be delivered to the heat supply zone, directly room air heated through heat supply airduct 18.

Smoke passing port 19 is communicated with dust-storage chamber 20, and dust-storage chamber 20 tops are communicated with chimney 22, and dust-storage chamber 20 bottoms are dedusting mouth 21 fixedly.

Enter dust-storage chamber 20 tops through the lower flue gas of temperature after the heat exchange through smoke passing port 19 in the Heat Room 14, in the flue gas as contain that the big solid matter of proportion will sedimentation drops on dust-storage chamber 20 bottoms owing to flue-gas temperature and flow velocity reduce, regularly open 21 removings of dedusting mouth and get final product, the rising flue gas is along chimney 22 emptyings.

The utility model embodiment is flexible design as required, heat supply airduct arranged is flexible and convenient installation as required also, in use, owing to adopt air as heat exchange and heating medium, not only can be fast and more efficient carry out thermal power transfer, the pollutants such as dust of Pai Chuing also obviously reduce simultaneously, burner hearth combustion heat-exchange high efficiency, compliance with environmental protection requirements, features simple structure, significantly fuel savings reduces installation cost, and it is minimum to take up room, pin fume and dust effect is obvious, the stable higher temperature that keeps of stove fire is difficult for extinguishing, and can be widely used in area, outskirts of a town, rural area, and the city of the central heating of being unrealized.

Claims

1. air-flow indirect wind furnace, it is characterized in that, fixed combustion chamber (7), body of heater (8) middle part, drawing mouth (11) is connected by combustion chamber (7) and to enter Heat Room (14), pass in the Heat Room (14) and fixing heat exchange tracheae (12), heat exchange tracheae (12) one ends connect air-vent (15), and heat exchange tracheae (12) other end connects heat supply airduct (18), and smoke passing port (19) is connected by Heat Room (14) and to enter chimney (22).

2. air-flow indirect wind furnace as claimed in claim 1 is characterized in that, combustion chamber (7) bottom fixed grate (5), and downside fixing main combustion gas road (1) in combustion chamber (7) in the body of heater (8), main combustion gas road (1) oral area is fixed main combustion gas control gate (2).

3. air-flow indirect wind furnace as claimed in claim 1, it is characterized in that, fixing shoot door (3) on body of heater (8) base wall, door (4) during body of heater (8) middle wall upper fire-grating (5) correspondence position is fixing, body of heater (8) top wall upper combustion chamber (7) top correspondence position fixed fuel adds door (9).

4. air-flow indirect wind furnace as claimed in claim 1 is characterized in that, opens combustion-supporting inflatable mouth (10) on the top wall of combustion chamber (7), and combustion-supporting air flue (6) is communicated with combustion chamber (7) downside in combustion-supporting inflatable mouth (10) and the body of heater (8).

5. air-flow indirect wind furnace as claimed in claim 1 is characterized in that, combustion chamber (7) internal diameter is up-small and down-big shape.

6. air-flow indirect wind furnace as claimed in claim 1 is characterized in that, the interior stationary barrier of Heat Room (14) (13).

7. air-flow indirect wind furnace as claimed in claim 1, it is characterized in that, Heat Room (14) top connects hot blast chamber (17), heat exchange tracheae (12) is suitable for reading to be opened in hot blast chamber (17), hot blast chamber (17) is communicated with heat supply airduct (18), Heat Room (14) bottom connects new air compartment (24), heat exchange tracheae (12) end opening is opened on new air compartment (24) top, have air-vent (15) on new air compartment (24) wall, new air compartment (24) is gone up fixedly air-introduced machine (16), fixing Heat Room maintenance door (23) on Heat Room (14) wall.

8. air-flow indirect wind furnace as claimed in claim 7 is characterized in that, smoke passing port (19) is communicated with dust-storage chamber (20), and dust-storage chamber (20) top is communicated with chimney (22), and dust-storage chamber (20) bottom is dedusting mouth (21) fixedly.