CN201396788Y

CN201396788Y - Multifunctional plant gasification furnace

Info

Publication number: CN201396788Y
Application number: CN2009200790917U
Authority: CN
Inventors: 李存知
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-18
Filing date: 2009-02-18
Publication date: 2010-02-03
Anticipated expiration: 2019-02-18

Abstract

The utility model relates to a multifunctional plant gasification furnace comprising a furnace body and a firebox, wherein, a funneled combustion-supporting device is arranged at the lower part of thefirebox, a plurality of small holes are formed on the wall surface at the periphery of the funneled cone, the upper end surface of the cone is connected in a sealed manner with the inner wall of thefirebox, the bottom part of the funnel and the ash outlet of the furnace body form an ash outlet passage, a drawer-type ash collecting box is arranged in the ash outlet passage, a laminated water jacket is arranged between the upper part of the firebox and the furnace body, a gas outlet formed at the upper part of the firebox passes through the laminated water jacket through a pipeline to a combustion cooker, an inverted bowl-shaped furnace cover is arranged in a water-tight manner at the upper end of the furnace body, and a pressure plate is fixedly connected to the bottom part of a compression bar sleeved on the furnace cover. Since combustible organic plants have thick combustion layers in the firebox, every inch, from the middle to the periphery, of the plants can be in full contact with air, with exhaustive combustion, abundant gas output and balanced combustion velocity. Ashes are collected in a centralized manner which ensures ash storage and dumping very convenient. The utilitymodel further provides a water tank which can absorb residual heat from combustion for heating purposes. The furnace provided by the utility model can be used for various purposes, and is convenientand safe to operate.

Description

Multi-functional plant gasfier

Technical field

The utility model relates to a kind of multi-functional plant gasfier.

Background technology

After the annual summer harvest, the one-tenth that cut off in the field ten million, more than one hundred million tons agricultural crop straws such as straw, wheat straw, rape straw nearly all go out of use or commit to the flames down on the farm, burn the airborne dust and the smog that are produced and be easy to assemble the insufferable haze of formation, also filling the air unpleasant burnt burning in the air, bringing for air transportation and ecological environment and have a strong impact on.Agricultural crop straw burns the harm that produces, and has become the focus, the focal issue that influence environmental protection, wants thoroughly to prohibit to burn stalk, and best bet is to have found outlet for the digestion stalk.Existing plant gasfier a kind of good method of handling stalk preferably of can yet be regarded as, it utilizes the reaction of plant Pintsch process to produce the basic principle of carbon monoxide, make flammable organic plant raw material carry out imperfect combustion by artificial control comburant oxygen mode at enclosed environment, thereby produce a large amount of fuel gas: carbon monoxide, hydrogen, methane, ethane, propane, butane etc., after by the plant gas purifier steam assorted in the fuel gas, tar and suspended particulates being removed again, be delivered to special-purpose stove regnition burning with the road, thereby obtain desirable combustion efficiency.But existing plant gasfier generally adopts the mode of supplying gas of the parallel air intake in bottom, oxygen supply, the organic plant layer blocks air of top or periphery circulates smoothly, cause the organic plant of top or periphery fully to burn, it is unbalanced that organic plant grate firing in the burner hearth burns speed, burning zone is superficial, efficiency of combustion is low, the aerogenesis deficiency, and the ashes that the burning back produces also stop up air outlet easily.As a kind of improvement, a kind of middle pillar air-supply arrangement had appearred again afterwards, the bottom air intake is sent into top organic plant layer by center pillar, solved the abundant combustion problem of top organic plant layer, but because the organic plant layer of this inboard wall of burner hearth periphery still can't fully burn, combustion is empty in the middle of usually causing, and produces a large amount of CO that can't second-time burning ₂, and the center pillar of erectting in burner hearth also stopped the whereabouts of the organic plant layer on top, therefore especially thicker stalk can only select the thin or half thick organic plant of branch, strong to the material selectivity.And pillar plant gasfier in being somebody's turn to do, middle part ignition temperature height, centering column material hear resistance requires high, uses wrought iron, and the life-span weak point is changed frequent, uses stainless steel or ceramic material, and cost increases more again.

The utility model content

The technical problems to be solved in the utility model provides a kind of efficiency of combustion height, long service life, multi-functional plant gasfier that cost is low.

For solving the problems of the technologies described above, the utility model comprises body of heater, burner hearth, air inlet, gas outlet and ash hole, and there is charging aperture the body of heater upper end, and it is characterized in that: described lower furnace portion is provided with funnel shaped auxiliary combustion equipment; Have several apertures on the periphery wall of described funnel cone, the upper surface and the inboard wall of burner hearth of cone are tightly connected, and funnel bottom is communicated with body of heater ash hole outward, forms the ash discharge passage; The air inlet that is arranged on the body of heater bottom communicates with lower furnace portion.

Adopt the plant gasfier of above structure; owing to adopt funnel shaped auxiliary combustion equipment in lower furnace portion; make the air that enters from the bottom can be transported to the centre and the peripheral position of burner hearth by the aperture on the funnel cone; the organic plant that stalk etc. are flammable can fully contact with air from the middle part to the periphery; sufficient combustion, aerogenesis foot, burning velocity are balanced, the burning bed thickness, and it is long to protect the fire time; and the branch thickness of comburant all can, unrestricted.The ashes that all burnt produces, a part does not directly contact flammable plant attached to the funnel inwall with the funnel inwall, can prolong to protect the fire time; Another part ashes slide into the ash accepting box the inside of funnel bottom along the conical surface of funnel inwall under the extruding of gravity and top weight, particularly adopt the drawer type ash accepting box, and storage ash, the ash that falls are very convenient.Ashes have been avoided dust to raise up by centralized collection, stop up air inlet, and the ash particles that suspends also can increase the load of follow-up purified treatment operation.This apparatus structure is reasonable, easy to use.

Further improve is that upper furnace also is provided with the pipeline that is communicated with the upper of furnace body outlet flue, by this pipeline, can discharge the flue gas that burns that is unfavorable for that the burning initial stage produces.

Further improve and be, the outer lighting-up tuyere of funnel cone base and body of heater is communicated with, forms ignition channel, because this passage directly joins with the interior flammable plant of funnel cone, it is very easy, convenient to light a fire.

Further improve and be, but at the bell of upper furnace setting folding, the timely interpolation of the plant of being convenient to burn.

Further improvement is, is water-stop between bell and burner hearth or the body of heater, and hermetically-sealed construction is simple, good sealing effect, and the bell folding is very convenient.

Further improve and be; bell adopts up-small and down-big arc or hemispherical curved surface; as falling bowl-type; plant condenses into water droplet at the steam that the burner hearth internal combustion produces at the bell place; can be in arc-shaped curved surface flows to tank; both can be the tank supplementing water, also avoid fuel high humidity in the stove simultaneously and stopping working of causing, and also prolong greatly and protected the fire time.

Further improvement is, the bell upper sleeve through has depression bar, and the bottom of depression bar places in the burner hearth, and its bottom is fixed with pressure disc.One is flammable plant to be carried out gravity exert pressure from top, impel its whereabouts, the continuity that keeps the stove internal combustion, exert pressure material still can't free-falling the time in pressure disc, for avoiding producing naked light in the burner hearth, can also exert pressure for ease of manual by manual short its whereabouts of exerting pressure of depression bar, can handle be set in the depression bar upper end; Another be can be outside depression bar be exposed at bell length, judge and, reduce what of flammable plant in the stove blow-on and check number of times so that in time reinforced, increase the accuracy that feeds intake; Can also scale be set on depression bar top, the interior material of burner hearth what can judge more accurately.

Further improve and be, in order to strengthen the sealing between depression bar and the bell, can be between depression bar and bell sealing ring of socket or coating lute or seal lubrication grease.Along with the continuous burning of flammable plant in the burner hearth, materials such as the tar of generation guarantee that the burner hearth of gasification furnace forms an airtight space, to avoid the generation of naked light attached to also forming grease seal naturally between depression bar and the bell.

Further improve and be, an interlayer water tank is set between upper furnace and body of heater, and this water tank is by absorbing the heat energy that the burner hearth internal combustion produces, and can daily shower is provided or scrub and uses hot water for family, even, can also be indoor heating by being connected with radiator.The fuel gas that burning produces is cooled when the upper furnace collection is passed the interlayer water tank by pipeline, makes that the steam that is mingled in the gas is condensed, small dust granules sedimentation and water-soluble, plays the catharsis to fuel gas.The outlet of sewer that the incrustation scale that produces in the water tank can be provided with from the water jacket bottom is discharged.

Further improve and be, the fuel gas that the gasification furnace internal combustion produces enters gas purifier by the gas outlet and purifies once more, remove steam in the gas, tar and other influence the impurity of combustion efficiency, promoted an ignition success rate of second-time burning, make second-time burning more abundant, firepower is more powerful, and the thermal efficiency is higher.

Description of drawings

Fig. 1 is the utility model embodiment user mode schematic diagram, and wherein the funnel auxiliary combustion equipment of lower furnace portion is a perspective view.

Fig. 2 is the gasification furnace side view shown in Fig. 1.

Fig. 3 is the cross-sectional schematic of the utility model embodiment.

Fig. 4 is the structural representation of gas purifier.

Fig. 5 is the longitudinal sectional view of disk-shaped tube among Fig. 4.

Mark among the figure: 1 handle, 2 depression bars, 3 bells, 4 pressure disc, 5 hot water outlets, 6 bodies of heater, 7 funnel auxiliary combustion equipments, 8 cooling water inlets, 9 outlets of sewer, 10 ignition channels, 11 ash discharge passages, 12 outlet flues, 13 gas outlets, 14 gas-cookers, 15 blower fans, 16 holes, 17 hangers, 18 water tanks, 19 burner hearths, 20 tanks, 21 air inlets, 22 front ends, 23 rear ends, 24 disk-shaped tubes, 25 gas purifiers, 26 cooling waters.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.But this should be interpreted as that the scope of above-mentioned theme of the present utility model only limits to following embodiment.

As Figure 1-3, a kind of multi-functional plant gasfier comprises body of heater, burner hearth, and lower furnace portion is provided with funnel shaped auxiliary combustion equipment, has several apertures on the periphery wall of funnel cone, and the upper surface and the inboard wall of burner hearth of funnel cone are tightly connected; The funnel cone base is communicated with body of heater lighting-up tuyere outward, forms ignition channel; The outer ash hole of funnel bottom and body of heater is communicated with, and formation ash discharge passage is provided with the drawer type ash accepting box in the ash discharge passage, and ash accepting box is in when connecing grey state and the body of heater tightening seal.Air inlet one end that is arranged on the body of heater bottom links to each other with blower fan, and the other end communicates with lower furnace portion.Be provided with intercalated water sleeve between upper furnace and the body of heater, intercalated water sleeve top is provided with hot water outlet, and the bottom is provided with cooling water inlet, and the bottom is provided with outlet of sewer; The venthole of upper furnace setting and venthole pass intercalated water sleeve vertically downward by pipeline and communicate with body of heater gas outlet, outlet flue outward.The body of heater upper surface is provided with annular water tank, and the bell lower edge of bowl-type is positioned in the tank, and charging aperture is carried out water-stop.The bell upper sleeve through has depression bar, and depression bar and bell contact position are coated with sealing ring or coating lute or seal lubrication grease, and the bottom of depression bar places in the burner hearth, and its bottom is fixed with pressure disc, the printable scale in depression bar top, the falling head of being convenient to observe depression bar.

The rich biomass fuel in rural area (as: faggot, stalk, bamboo wood corner, sawdust, wood shavings, vinasse, shell, cattle and sheep chicken manure etc.) is waited from charging aperture input burner hearth, cover bell, light flammable plant rear enclosed ignition channel from ignition channel.Open blower fan,, in the first few minutes of burning, open outlet flue, the flue gas that burns that is unfavorable for that the burning initial stage produces is discharged, close the outlet flue valve then, make fuel imperfect combustion in burner hearth from the air inlet air-supply.The ashes of after-flame fall in the ash accepting box, draw from the ash discharge passage, and reinforced from upper of furnace body in good time according to the height of depression bar.The fuel gas that burning produces leads to the utilization of cooking stove secondary from the gas outlet, its Energy Efficiency Ratio fuel directly burns and improves exponentially.Fuel gas also can store for future use by air storage chamber or air accumulator.By this device, alleviate the labour intensity of friend peasant when cooking, save family's fuel expenditure, improve rural area Kitchen hygiene situation, improve friend's peasant quality of the life, turn waste into wealth, energy-saving and emission-reduction.

The combustible gas outlet of above-mentioned body of heater can also be connected to gas purifier and carry out double purification.Shown in Fig. 4,5, gas purifier 25 is a closed container, and cooling water 26 and swinging disk-shaped tube 24 are housed in the closed container, and disk-shaped tube front end 22 is connected with body of heater gas outlet pipeline, rear end 23 links to each other with burn kitchen range or air storage chamber or air accumulator, and the disk-shaped tube bottom has a plurality of holes 16.Through fuel gas filtration once more, condensation, sedimentation in clarifier of primary purification, further dispose and to burn or impurity such as nonflammable steam, tar, floating dust.Tar after being condensed, impurity flow into from the hole of disk-shaped tube bottom in the cooling water, discharge from the sewage draining exit of closed container bottom.

In the present embodiment, body of heater, auxiliary combustion equipment, clarifier adopt the reinforcing bar welding of steel plate, steel pipe and the diameter 12mm of thickness 1.2-3mm to be assembled, burner hearth adopts refractory material such as concrete, this apparatus structure rationally, good looking appearance, multi-use, easy and safe to operate.

Need to prove: though the foregoing description has been described structure of the present utility model in detail; but the utility model is not limited to the foregoing description; the replacement structure that every those skilled in the art just can expect without creative work from the foregoing description all belongs to protection domain of the present utility model.

Claims

1, a kind of multi-functional plant gasfier comprises body of heater, burner hearth, air inlet, gas outlet and ash hole, and there is charging aperture the body of heater upper end, and it is characterized in that: described lower furnace portion is provided with funnel shaped auxiliary combustion equipment; Have several apertures on the periphery wall of described funnel cone, the upper surface and the inboard wall of burner hearth of cone are tightly connected, and funnel bottom is communicated with body of heater ash hole outward, forms the ash discharge passage; The air inlet that is arranged on the body of heater bottom communicates with lower furnace portion.

2, multi-functional plant gasfier as claimed in claim 1 is characterized in that: described upper of furnace body also is provided with the outlet flue that is communicated with upper furnace.

3, multi-functional plant gasfier as claimed in claim 2 is characterized in that: be provided with intercalated water sleeve between described upper furnace and the body of heater, the intercalated water sleeve bottom is provided with cooling water inlet, and top is provided with hot water outlet, and the water jacket bottom is provided with outlet of sewer; Be respectively equipped with in the burner hearth and pass the outer gas outlet of intercalated water sleeve and body of heater, the pipeline that outlet flue communicates.

4, as claim 1,2 or 3 described multi-functional plant gasfiers, it is characterized in that: but the charging aperture place of described body of heater upper end is provided with the bell of folding, and bell and charging aperture are tightly connected.

5, multi-functional plant gasfier as claimed in claim 4 is characterized in that: be water-stop between described bell and the charging aperture.

6, as claim 1,2 or 3 described multi-functional plant gasfiers, it is characterized in that: described body of heater or burner hearth upper surface are provided with annular water tank; Described bell is up-small and down-big arc or hemispherical curved surface, and the bell lower edge is positioned in the tank.

7, multi-functional plant gasfier as claimed in claim 6 is characterized in that: described bell upper sleeve through has depression bar, and described depression bar and bell contact position are provided with sealing ring or lute or seal lubrication grease; The bottom of depression bar places in the burner hearth, and its bottom is fixed with pressure disc.

8, multi-functional plant gasfier as claimed in claim 7, it is characterized in that: described gas outlet connects gas purifier, described clarifier is a closed container, and cooling water and swinging disk-shaped tube are housed in the closed container, and the closed container bottom is provided with sewage draining exit to be opened/closed; The disk-shaped tube front end is connected with the gas outlet, and the rear end links to each other with burn kitchen range or air storage chamber or air accumulator, and its underpart has a plurality of oil outlets.

9, as claim 1,2 or 3 described multi-functional plant gasfiers, it is characterized in that: be provided with the drawer type ash accepting box in the described ash discharge passage.

10, as claim 1,2 or 3 described multi-functional plant gasfiers, it is characterized in that: the body of heater bottom also is provided with lighting-up tuyere, and described funnel cone base is communicated with body of heater lighting-up tuyere outward, forms ignition channel.