CN201462856U

CN201462856U - Combustion furnace

Info

Publication number: CN201462856U
Application number: CN2009201103207U
Authority: CN
Inventors: 梁义
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-24
Filing date: 2009-07-24
Publication date: 2010-05-12
Anticipated expiration: 2019-07-24

Abstract

The utility model discloses a combustion furnace, which comprises a hearth body, and an oil burner and a blower which are connected outside the hearth body, wherein the inside of the hearth body is divided into an upper combustion chamber and a lower combustion chamber between which a clapboard for ventilation is arranged; air holes on the clapboard are close to the centre of the clapboard and are connected with tubular induced air passages respectively; and the lower ends of the induced air passages are protruded on the lower surface of the clapboard. The induced air passages effectively prolong the time when flue gas passes so that the flue gas is completely combusted in the lower combustion chamber; and at the same time, baking hot induced air passages can perform secondary combustion on the passing flue gas so as to greatly reduce the content of combustibles in the flue gas. The combustion furnace has a smart and rational structure design, fully takes each process for the generation and combustion of the flue gas into consideration to perform control for a plurality of times and repeated combustion, and is particularly suitable for the combustion of household garbage in countryside and local areas.

Description

A kind of incinerator

Technical field

The utility model relates to a kind of stove, particularly a kind of incinerator that can burn house refuse.

Background technology

Along with social development and human needs of multiplying and living, all can produce many house refuses every day on the earth.Recent statistics shows, in China, the city dweller is the house refuse of 2 kilograms of average generation for each person every day, in these house refuses except that have part can recycling, as: various paper, polybag, woodwork, metallic article etc., all the other major parts all can't reclaim, utilize, and can only rely on the mode of burying to handle.So As time goes on, large-scale one by one refuse landfill constantly occurs at surrounding city, has not only influenced the peri-urban environment, has consumed a large amount of soils, also makes landfill yard become the wasteland that slices can't continue to use.Normal this before, the city of our life will be gradually by house refuse institute around, the peri-urban environment will constantly worsen, and the long-run development in city is brought the influence that can't retrieve.For improving this situation, nowadays, large-scale waste incineration field has begun to occur, and it burns irretrievable house refuse by the mode of burning, and utilizes the heat of burning generation to develop once more, has reached good social effect and economic benefit.But this large-scale burning field floor space is big, investment is many, the waste transportation time is long, can not among a small circle, solve the garbage disposal problem on the spot, and the small incinerator that use in existing, the most suitable family expenses or some areas is owing to be subjected to the restriction of structure and cost, incineration firing is insufficient, in the burning process to the surrounding environment heavy contamination, its utilization benefit is just had a strong impact on, how further to improve the structure of small-sized rubbish incinerator, making it satisfy the needs that thoroughly burn just becomes problem to be solved in the utility model.

Summary of the invention

In view of above-mentioned the deficiencies in the prior art, the utility model aim to provide a kind of firing efficiency height, sufficient combustion, easy to use, be suitable for the incinerator that use in some areas.

The utility model is achieved through the following technical solutions:

A kind of incinerator, comprise hearth body and be connected hearth body outer oil burner and blower fan, be divided into upper and lower two combustion chambers in the hearth body, be provided with the dividing plate that to breathe freely between two combustion chambers, be respectively equipped with jet on the upper and lower chamber wall, oil burner is connected on the jet, the hearth body top is provided with outlet flue, blower fan is communicated with the combustion chamber, air-vent on the dividing plate is near the central authorities of dividing plate, be connected with the air-inducing passage of tubulose on the air-vent respectively, the lower end of air-inducing passage protrudes in the lower surface of dividing plate.

Described banked fire cover is provided with through hole, and banked fire cover covers on the air-vent of dividing plate top.

Described banked fire cover be shaped as semicircle or ' n ' type.

Also be provided with a plurality of air inlets on the hearth wall of described lower combustion chamber, air inlet is divided into upper and lower two parts, and the top air inlet is positioned at the fire grate top, and the lower part air inlet is positioned at the fire grate below, and blower fan is communicated with the combustion chamber by air inlet.

The Way out of described top air inlet makes progress along the tangential tilt of hearth wall inner surface respectively, and incline direction is consistent.

The Way out of described lower part air inlet is tilted to along the longitudinal cross-section of hearth wall respectively.

Described upper and lower combustion chamber be shaped as column type.

A kind of incinerator described in the utility model, the time of utilizing the air-inducing passage prolong smoke to pass through, prevent that flue gas from directly entering upper combustion chamber fast from lower combustion chamber, make flue gas abundant in lower combustion chamber's internal combustion, simultaneously, utilize hot, thin and long air-inducing passage also can carry out second-time burning to the flue gas that passes, greatly reduce the content of combustible in the flue gas. and the air inlet that designs on the lower combustion chamber furnace wall, finish under the prerequisite of sending oxygen work, also can above lower combustion chamber, form pneumatic vortex, the flue gas that produces in the incineration firing process is ceaselessly rotated in lower combustion chamber, to improve the efficiency of combustion and the burning quality of flue gas, greatly reduce because the flue gas production process is concentrated, problems such as concentration is big, the insufficient phenomenon of the burning that brings. overall construction design is ingenious, rationally, taken into full account the flue gas generation, each link of burning, repeatedly control, burning repeatedly, exhaust emissions meets environmental standard, is highly suitable for rural area and some areas and carries out the consumer waste incineration use.

Description of drawings

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

Fig. 2 is that the A-A of Fig. 1 is to section of structure.

The specific embodiment

The utility model will be further described below in conjunction with accompanying drawing 1, Fig. 2:

A kind of incinerator described in the utility model comprises hearth body 2, dividing plate 10, banked fire cover 3 and is connected hearth body 2 oil burner 14 and blower fan 15 outward.Be divided into upper and lower two combustion chambers 1 in the

hearth body

2,12, the combustion chamber is a column type, dividing plate 10 is positioned at upper and lower combustion chamber 1, between 12, the position near central authorities on the dividing plate 10 is provided with a plurality of air-vents, is connected with the air-inducing passage 9 of tubulose on the air-vent respectively, the lower end of air-inducing passage 9 protrudes in the lower surface of dividing plate 10, and the upper end of air-inducing passage 9 is concordant with the upper surface of dividing plate 10.Be respectively equipped with the upper and

lower jet

11,8 of combustion-supporting usefulness on the upper and lower chamber wall, oil burner 14 is connected on the upper and

lower jet

11,8, and oil burner 14 can be injected to high pressure fuel auxiliary incineration firing in the combustion chamber.' n ' type that is shaped as of banked fire cover 3, banked fire cover 3 covers on the air-vent of dividing plate 10, and banked fire cover 3 is provided with the through hole 4 to scattering all around, and the flue gas that passes air-vent can enter into upper combustion chamber 1 from different directions by through hole 4.Hearth body 2 tops, promptly upper combustion chamber 1 top is provided with outlet flue 13, and gas fume after burning is mouthful discharge from then on.

For improving the adequacy of incineration firing, on the hearth wall of lower combustion chamber 12, also be provided with a plurality of air inlets, blower fan 15 is connected the outer end of air inlet.Air inlet is divided into upper and lower two parts, and top air inlet 5 is positioned at fire grate 7 tops, and lower part air inlet 6 is positioned at fire grate 7 belows.Top air inlet 5 is divided into four layers, become horizontal circle to distribute, the direction of air inlet makes progress along the tangential tilt of hearth wall inner surface respectively, incline direction is consistent, the air that enters by top air inlet 5 can form an air eddy in lower combustion chamber 12 like this, drives the flue gas that produces in the combustion process and rotate also fully burning in lower combustion chamber 12.Air inlet 6 one-tenth two-layer horizontal circles in lower part distribute, lower part air inlet 6 is mainly incineration firing sufficient oxygen is provided, the Way out of its air inlet is tilted to along the longitudinal cross-section of hearth wall respectively, upwards promotes at the flue gas that also the burning back can be produced when lower combustion chamber 12 provides oxygen.

The number of plies that upper and lower two parts air inlet distributes can be decided according to the size of combustion chamber, and banked fire cover 3 shapes that are placed on the dividing plate 10 also can be semicircle.

In the use; at first house refuse is put on the fire grate 7 of lower combustion chamber 12; blower fan 15 work; by last; following two parts air inlet 5; 6 send into sufficient air; under the effect of oil burner 14; fuel oil is by last; following jet 11; 8 spray into; house refuse takes fire; the air of being sent into by lower part air inlet 6 is in auxiliary combustion; also can produce motive force upwards; the flue gas that produces during incineration firing can upwards be sent fast; and be positioned at the air that top air inlet 5 is sent into; owing to send along tangentially being inclined upwardly of lower combustion chamber's wall; under air constantly promotes; the upper space of lower combustion chamber 12 can form an air eddy; the flue gas that the burning back produces constantly stirs in vortex; rotation; making does not have in the flue gas clean-burning gas and the particle can fully burning in lower combustion chamber 12 once more; improved the efficiency of combustion of flue gas greatly. because last; lower combustion chamber 1; be connected with air-inducing passage 9 on the dividing plate 10 between 12; the lower port of air-inducing passage 9 is lower than the lower surface of dividing plate 10; most of flue gas can directly not pass through from air-inducing passage 9 in uphill process; but need rise to the lower port that sinks to air-inducing passage 9 behind dividing plate 10 lower surfaces again; like this, fully prolonged the time of staying of flue gas in lower combustion chamber 12, convenience be provided for fully burning once more of flue gas.

When flue gas passed air-inducing passage 9 and prepares to enter upper combustion chamber 1, thin and long hot air-inducing passage 9 can burn to flue gas once more, can further descend by the incendivity thing content in the flue gas.After flue gas enters upper combustion chamber 1, be subjected to the influence of banked fire cover 3, flue gas can directly not sent from outlet flue 13, banked fire cover 3 can stop the speed that flue gas passes through once more, forces flue gas via through holes 4 spread in upper combustion chamber 1 from all directions, under the effect of fuel oil auxiliary combustion, flue gas is finished the abundant burning of final stage in upper combustion chamber 1, at last, tail gas is discharged through outlet flue 13 and is burned burner hearth, and whole burning process is finished.

Its burning process has utilized each link of flue gas generation and transmittance process, reasonable in design, sufficient combustion.Certainly, this incinerator also can only be opened lower combustion chamber 12 according to the needs of comburant, and only needs correspondingly to remove banked fire cover 3 in the upper combustion chamber 1, closes and close jet 11 and get final product.

Claims

1. incinerator, comprise hearth body and be connected hearth body outer oil burner and blower fan, be divided into upper and lower two combustion chambers in the hearth body, be provided with the dividing plate that to breathe freely between two combustion chambers, be respectively equipped with jet on the upper and lower chamber wall, oil burner is connected on the jet, the hearth body top is provided with outlet flue, blower fan is communicated with the combustion chamber, it is characterized in that, air-vent on the described dividing plate is connected with the air-inducing passage of tubulose respectively near the central authorities of dividing plate on the air-vent, the lower end of air-inducing passage protrudes in the lower surface of dividing plate.

2. a kind of incinerator according to claim 1 is characterized in that, also comprises banked fire cover, and described banked fire cover is provided with through hole, and banked fire cover covers on the air-vent of dividing plate top.

3. a kind of incinerator according to claim 2 is characterized in that, described banked fire cover be shaped as semicircle or ' n ' type.

4. a kind of incinerator according to claim 1 and 2, it is characterized in that, also be provided with a plurality of air inlets on the hearth wall of described lower combustion chamber, air inlet is divided into upper and lower two parts, the top air inlet is positioned at the fire grate top, the lower part air inlet is positioned at the fire grate below, and blower fan is communicated with the combustion chamber by air inlet.

5. a kind of incinerator according to claim 4 is characterized in that, the Way out of described top air inlet makes progress along the tangential tilt of hearth wall inner surface respectively, and incline direction is consistent.

6. a kind of incinerator according to claim 4 is characterized in that, the Way out of described lower part air inlet is tilted to along the longitudinal cross-section of hearth wall respectively.

7. a kind of incinerator according to claim 1 and 2 is characterized in that, described upper and lower combustion chamber be shaped as column type.