CN2314282Y - Vertical small-size down-draft boiler - Google Patents

Abstract

The utility model relates to a reverse-flame type vertical miniature boiler. The utility model is characterized in that a vertical boiler hearth and a vertical boiler barrel are arranged in column; the upper and the lower central lines of the vertical boiler hearth and the vertical boiler barrel lie in different straight lines, and are mutually parallel; a burnout chamber is arranged on the bottom of the boiler; a boiler hearth is communicated with the boiler barrel. A valve carries out switching over operation between the reverse flame burning and the positive flame burning, and then one boiler with cooking, water boiling and heating functions is realized. The utility model is suitable for burning honeycomb briquette, block coal, anthracite coal, bituminous coal, and firewood. Under the reverse flame burning condition, the utility model has no smoke dust pollution in the room. The operation and the heat load regulation are simple and convenient. The utility model is suitable for units, and is especially suitable for families.

Description

Downward flame vertical miniature boiler

The utility model belongs to technical field of heating, is a kind of downward flame vertical miniature boiler.

Industrial vertical fire coal boiler design and manufacturing technology are very ripe, it mainly is fit to use broken coal, raising along with people's lives, the application trend atrophy of vertical boiler in industrial circle, and life is in rising trend with vertical boiler, but present vertical boiler is as domestic boiler, and especially for the such occasion of similar family, it obviously has the following disadvantages: 1, particularly honeycomb briquette is relatively more difficult for burning briquette.2, startup is slow, fire-sealing time is short, frequent coal, causes troublesome poeration, and it is inconvenient to use.3, function singleness, heat load adjustment difficulty.4, use broken coal, solid, smoke contamination are serious relatively.

The purpose of the utility model provides a kind of downward flame vertical miniature boiler that fuel range is wide, easy to operate, function increases, environmental aspect is fit to this class occasion use of similar family preferably that adapts to regard to being to remedy above weak point.

The purpose of this utility model is achieved in that a kind of downward flame vertical miniature boiler, comprise burner hearth (1), burning chamber (2), drum (3), chimney (4), shoot door (5), chimney valve (6), it is characterized in that: the inner chamber of burner hearth (1) is that the profile of upright cylinder or stage body, drum (3) is upright cylinder, their center line up and down is also not parallel to each other on same straight line, and their bottom has an air-flow with them to import and export the burning chamber (2) that is connected.For realizing normal downdraf burning, must cause burning chamber's negative pressure, the exhaust opening of chimney must make burning chamber produce negative pressure than burner hearth height with the draft of chimney height in other words, can suck from the top coal filling hole of burner hearth to reach air.Evidence, the discrepancy in elevation of chimney emission mouth and burner hearth should for the boiler that is usually used in cooking, can also adopt the multiple hearth structure more than or equal to 1000 millimeters, is convenient to the user and selects the thermic load size.

When this stove makes, air sucks burner hearth (1) by the top coal filling hole of burner hearth (1), fuel is in burner hearth (1) internal combustion, flame sprays to burning chamber (2) by the bottom of burner hearth (1), (just because of flame sprays downwards, so abbreviate " downdraf burning " and " downward flame " as) hot then flue gas imports the heating surface of drum (3) by burning chamber (2) and heats water in the drum (3), useless at last flue gas by chimney (4) row to outdoor.This stove is because drum (3) designs with burner hearth (1) apportion, and burner hearth (1) is gone up face will a plane, and this just provides possibility for this stove can be used for cooking.When this stove is used for cooking, using method is: close chimney valve (6), destroy the negative pressure in the burning chamber (2), open the shoot door (5) in the burning chamber (2), make air enter burning chamber (2), just entered the bottom of burner hearth (1), at this moment the heating surface of drum (3) does not have hot flow of flue gas, in fact drum (3) also just quits work and (does not also allow cold air to flow through the heating surface of drum certainly, because it can make drum sharply cool off, lose a large amount of heat energy), burner hearth (1) just becomes a common coal stove, flame will (be distinguished with " downdraf burning " mutually from its coal filling hole ejection, here abbreviate " positive flame burning " as), the user can carry out cooking thereon.

Adopt the utility model will obtain following effect.

1, the adaptation fuel range is wide, is specially adapted to use honeycomb briquette, and the multiple hearth structure can use the honeycomb briquette of big quantity.

2, independent, upright chamber structure, its height, capacity are all bigger.Like this, coal is convenient---pour into just, fire-sealing time is long, burning time is long.When even handoff functionality is regulated thermic load, also only need to regulate two positions: chimney valve and shoot door, easy to operate.

3, function increases, and the user can regulate thermic load as required.As being mainly used in cooking summer, 30 ℃ of the temperature of warm water just can, then can cook winter, heating, have a bath.

4, this stove does not use the broken coal of diameter below 20 millimeters, so solid pollution caused by coal dust on every side is few, smoke contamination is also few.Simultaneously, its refuelling, particularly igniting are when lighting stove, even use firewood, bituminous coal, its flue dust also only can suck and can not overflow from coal filling hole.This all helps protecting environment, improves people's quality of life.

The utility model is described in further detail below in conjunction with accompanying drawing and example:

Fig. 1 is the utility model facade diagrammatic cross-sectional view.

Fig. 2 is the vertical view of Fig. 1, also is the vertical view of embodiment one.

Fig. 3 is the vertical view of embodiment two.

By Fig. 1, Fig. 2 as seen, burner hearth (1) is made with refractory material, and its inner chamber is A upright cylinder also can be designed to up big and down small cone table, for special Need do not bear bigger pressure again the time, also can be designed to cross section is other how much The cylinder of shape or stage body, its effect are storage of fuels, combustion fuel. For taking full advantage of The waste heat of fuel combustion, the outer water that is connected with drum (3) that is provided with of burner hearth (1) Cover. Drum (3) also is a upright cylinder, and its inner heating surface can be designed to Fire-tube type, waterpipe type, water-jacket typ or their hybrid combination, its effect are to store water And come heating water by the heat that heating surface absorbs flue gas. Burner hearth (1) and drum (3) Up and down center line on the same straight line and not parallel to each other, this is vertical with routine The marked difference of boiler. Their bottom air-flow is imported and exported a burning chamber (2) Be connected, burning chamber (2) is actually a cavity, can use refractory material and steel Plate is made, it make between burner hearth (1) and the drum (3) gas passage with extraneous every From, and make the air-flow between burner hearth (1) and the drum (3) unobstructed, make burner hearth (1) The flame of interior generation fully burns in burning chamber (2) and imports swimmingly drum (3) Heating surface. The purpose one that shoot door (5) is set in the burning chamber (2) is to remove combustion Dust stratification in the cinder chamber (2), the 2nd, when this stove switches or just flame is burning, import air. It is closed when downdraf burns, and just opens when only having deashing and switching to positive flame burning. Chimney (4) is located at the top of drum (3), and its exhaust opening acts on generally outdoor To discharge useless flue gas, protection indoor environment. A flashboard type is set on the chimney (4) Chimney valve (6) is to use for the thermic load of regulating boiler, often with shoot door (5) Compounding practice has following three kinds of situations: 1, downdraf burning. Close shoot door (5), Open chimney valve (6), the draft of chimney (4) makes and produces foot in the burning chamber (2) Enough negative pressure make the fuel in the burner hearth (1) normally carry out the downdraf burning. 2, positive flame Burning. Close chimney valve (6), open shoot door (5), air by shoot door (5) fuel that enters in burning chamber (2), the confession burner hearth (1) carries out positive flame burning. 3, bank up a fire stand-by. Crack chimney valve (6) subtracts the negative pressure in the burning chamber (2) Few, flue gas is in and approaches the motion state of stagnating, the fuel in burner hearth this moment (1) by In being in anaerobic condition, and be in smoulder or burn-out state, keep burner hearth (1) temperature is in order to fast starting next time.

Embodiment one: single courage type liquid furnace of cooking a meal

As shown in Figure 1 and Figure 2, this stove has only a burner hearth (1), water jacket that it is outside and drum (3) are connected as a single entity, it is oblate that cross section is, burner hearth (1) intracavity diameter 200mm, high 600mm, drum (3) external diameter 300mm, height overall 1500mm, heating surface are straight fire-tube type, height of smoke outlet 2200mm, use honeycomb briquette or the lump coal of nominal diameter 200mm, total coal containing quantity of burner hearth (1) is 10kg, at hot state of furnace, can boiler 100Kg water is boiled in one hour during the downdraf burning, the winter heating area reaches 60 square metres.When positive flame burnt, switching to gets angry only needed five minutes, can supply family of five's cooking.This stove continuous burning time reaches 4-8 hour, and fire-sealing time reaches 10-24 hour, the thick steel plate manufacturing of 3-4mm of this stove, about 500 yuan of cost.

Embodiment two: the multi-combustor type liquid furnace of cooking a meal

As Fig. 1, shown in Figure 3, this stove is provided with (1) 3 in the honeycomb briquette burner hearth of nominal diameter 100mm, certainly, has also established 3 shoot doors (5) respectively in the one shared burning chamber (2).A shared drum (3) is designed to flat square body so that in the kitchen mounting arrangements, and can carry out building heat insulation.It both can be for cooking, also can burn warm water, boil water and winter heating.

This stove adopts positive flame burning to supply to heat up water, make full use of cooking remaining time and waste heat in addition for cooking, downdraf burning, reached the purpose of multi-use, might as well be the economic stove and accessory of middle and low income family, also can be used as enterprises and institutions public cook a meal, the boiler of bath, boiling water, heating, to energy savings, improve people quality of life, control environment to pollute and provide convenience.

Claims (4)

1, a kind of downward flame vertical miniature boiler, comprise burner hearth (1), burning chamber (2), drum (3), chimney (4), shoot door (5), chimney valve (6), it is characterized in that: the inner chamber of burner hearth (1) is that the profile of upright cylinder or stage body, drum (3) is upright cylinder, their center line up and down is also not parallel to each other on same straight line, and their bottom has an air-flow with them to import and export the burning chamber (2) that is connected.

2, boiler according to claim 1 is characterized in that the height height of the exhaust opening of said chimney (4) apart from the aspect ratio burner hearth (1) of boiler bottom, and its discrepancy in elevation is more than or equal to 1000 millimeters.

3, boiler according to claim 1 is characterized in that the quantity of said burner hearth (1) is at least 1.

4, boiler according to claim 1 is characterized in that said burning chamber (2) is provided with not only can open but also closable shoot door (5).

Images