CN201305572Y

CN201305572Y - Multi-functional biomass gasifier

Info

Publication number: CN201305572Y
Application number: CNU2008200780287U
Authority: CN
Inventors: 王佳丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-26
Filing date: 2008-07-26
Publication date: 2009-09-09
Anticipated expiration: 2018-07-26

Abstract

The utility model relates to a gasification furnace, in particular to a multi-functional biomass gasifier. The biomass gasifier comprises a gasification furnace and a gas-purifying cabinet; wherein, the furnace chamber of the gasification furnace is of a square, flat-bottom cylindrical chamber structure; the bottom of the furnace chamber is provided with a flow-variable wind shoe; the circular inner wall of the upper end of the furnace chamber is provided with a circular gas channel provided with gas inlets; one sidewall in the gasification furnace is provided with a longitudinal gas channel communicated with the circular gas channel; the outer wall of the gasification furnace, which corresponds to the longitudinal gas channel, is provided with a mixed fuel gas outlet and a release valve; a gas filter net partitions the gas-purifying cabinet into a mixed gas chamber and a purified gas chamber; the bottom of the mixed gas chamber is provided with an adsorptive purification layer; and gas filtering medium is arranged on the gas filter net. The range of materials used by the utility model is wide; the structure of the furnace chamber is reasonable; the combustion chamber can always be kept in the optimal state of carbonization and cracking; the circular gas channel and the longitudinal gas channel which are communicated with each other can ensure that the primary-produced fuel gas can return downwards and pass through the combustion chamber to crack and purify coal tar in the combustion chamber again; the gas production unit and the gas storage unit are separated from each other; and fuel gas is filtered and purified layer by layer, so that the concentration of fuel gas can be increased and the impurities can be reduced.

Description

The multifunctional biomass gasification installation

Technical field:

The utility model relates to vapourizing furnace, especially a kind of multifunctional biomass gasification installation.

Background technology:

At present, though known biomass gasifying furnace or make the straw gasification stove structure different, but all fundamentally do not resolve combustion chamber control and combustion gas filtration, purification problem, it is slow and unstable generally to have aerogenesis, the loaded down with trivial details difficult grasp of using method, problems such as the easy obstruction of coal tar have influenced the popularization and the use of biomass gasifying furnace.

The utility model content:

The utility model is intended to solve the problems referred to above that existing vapourizing furnace exists, and a kind of materials are extensive, gas production rate big and continual and steady, no tar stops up the multifunctional biomass gasification installation that the air delivering pipeline phenomenon takes place and provide.

The technical solution adopted in the utility model is: a kind of multifunctional biomass gasification installation, comprise vapourizing furnace, the pure qi (oxygen) cabinet, described vapourizing furnace is a vertical structure, bell is sleeved in the water sealed tank of furnace roof end outer rim, its middle part is provided with the binder hole of with closure, its burner hearth of described vapourizing furnace is square, flat tubular cavity configuration, the burner hearth bottom center is provided with variable quantity public attention, burner hearth upper end ring oven inwall is provided with annular air channel, be evenly equipped with air inlet port on the described annular air channel, vertical air flue that a sidewall is provided with from bottom to top and communicates with this annular air channel in the stove, described vertical air flue bottom is open shape inlet mouth, be respectively arranged with air mixture outlet and the purging valve that communicates with this vertical air flue on this wing furnace outer wall from bottom to top, described air mixture outlet links to each other with the air mixture import of pure qi (oxygen) cabinet bottom; The gas filtration net that described pure qi (oxygen) cabinet is provided with by the middle part in it and be distributed in the online microgranular gas filtration agent of this gas filtration and be divided into two, gas filtration side off the net is a mixed air vessel, the pure qi (oxygen) cabinet outer wall of corresponding mixed air vessel is provided with the air mixture import, the mixed air vessel bottom is provided with the adsorption cleaning layer that is made of mineral material, the online side of gas filtration is an air-purifying chamber, and the pure qi (oxygen) cabinet outer wall of corresponding air-purifying chamber is provided with the clean fuel gas delivery port.

Compared with prior art, the beneficial effects of the utility model are:

1. materials are extensive, and are reinforced inconvenient, can directly use common biomass material, as combustiblematerialss such as wheat straw, straw, corn stalk core, cotton stalk, beanstalk, Pericarppium arachidis hypogaeae, weeds, branch, sawdust, vinasse;

2. adopt square, flat tubular chamber burner hearth, bottom variable quantity public attention makes the combustion chamber be in best carbonization decomposition state all the time, and is easy to use, can put fire preparing gas in three minutes and normally use;

3. aerogenesis, accumulator unit separate, and especially as the purifying tank of accumulator unit, filtration, purification are layer by layer carried out in combustion gas, remove wherein coal tar, moisture and dust, and gas concentration is increased, and impurity is few, have solved problems such as aerogenesis time weak point, the easy interruption of air feed;

4. the annular air channel of the mutual perforation of She Zhiing and vertically air flue make under the combustion gas that once produces and return by the combustion zone, wherein coal tar is carried out cracking once more purify, tar is turned bane into boon, not only avoid the tar obstruction, reduced disposal of pollutants, also improved gas making efficiency;

5. this device volume is little, and is in light weight, can move arbitrarily, is fit to very that units such as farmers', small towns office, rural school, restaurant, hospital cook, heating, bathing use.

Description of drawings:

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

Fig. 2 is the left view of vapourizing furnace among Fig. 1.

Fig. 3 is variable quantity public attention structural representation of the present utility model.

Among the figure: vapourizing furnace 1, bell 2, sealing cover 3, binder hole 4, water sealed tank 5, purging valve 6, annular air channel 7, air inlet port 8, vertical air flue 9, air mixture outlet 10, heat insulation combustion-supporting material layer 11, blast orifice 12, variable quantity public attention 13, pure qi (oxygen) cabinet 14, air mixture import 15, gas filtration net 16, microgranular gas filtration agent 17, adsorption cleaning layer 18, combustion gas delivery port 19, air blast hole 20, check valve 21.

Embodiment:

The utility model is described in further detail below in conjunction with drawings and Examples:

Referring to accompanying drawing, the described multifunctional biomass gasification installation of present embodiment is made of vapourizing furnace 1 and pure qi (oxygen) cabinet 14 two portions, and vapourizing furnace 1 is a vertical structure, and bell 3 is sleeved in the water sealed tank 5 of furnace roof end outer rim, and its middle part is provided with the binder hole 4 of with closure 3; Described vapourizing furnace 1 its burner hearth is square, flat tubular cavity configuration, the burner hearth bottom center is provided with variable quantity public attention 13, burner hearth upper end ring oven inwall is provided with annular air channel 7, be evenly equipped with air inlet port 8 on the described annular air channel 7, vertical air flue 9 that a sidewall is provided with from bottom to top and communicates with this annular air channel 7 in the stove, described vertical air flue 9 bottoms are open shape inlet mouth, are respectively arranged with the air mixture outlet 10 and the purging valve 6 that communicate with this vertical air flue 9 on this wing furnace outer wall from bottom to top; Described air mixture outlet 10 links to each other with the 14 bottom air mixture imports 15 of pure qi (oxygen) cabinet, gas filtration net 16 that described pure qi (oxygen) cabinet 14 is provided with by the middle part in it and the microgranular gas filtration agent 17 that is distributed on this gas filtration net 16 are divided into two, gas filtration net 16 belows are mixed air vessel, pure qi (oxygen) cabinet 14 outer walls of corresponding mixed air vessel are provided with air mixture import 15, the mixed air vessel bottom is provided with the adsorption cleaning layer 18 that is made of mineral material, gas filtration net 16 tops are air-purifying chamber, and pure qi (oxygen) cabinet 14 outer walls of corresponding air-purifying chamber are provided with combustion gas delivery port 19.

Public attention of variable quantity described in the present embodiment 13 is a tubular body arranged inside, is evenly equipped with air blast hole 20 on it, in each air blast hole 20 check valve 21 is housed all, controls automatically to realize air quantity.

1 its burner hearth bottom of vapourizing furnace described in the present embodiment is provided with heat insulation combustion-supporting material layer 11, so that the raw material in the burner hearth bottom combustion zone fully burns.

Its body of heater below of vapourizing furnace described in the present embodiment 1 is provided with air compartment, and this air compartment one side is provided with the blast orifice 12 that is connected with gas blower, by the aweather indoor air blast of gas blower, and provides institute's required airflow by variable quantity public attention 13 for raw material.

When feeding intake, open bell 3, biomass material is dropped into vapourizing furnace 1, light bell 3 on the raw material bonnet, 4 usefulness stocks are disclosed material through the binder hole, raw material are moved down and compacting.

By purging valve 6 inner flue gas of the stove is discharged before the some fire preparing gas, close purging valve 6 behind the system gas.

The combustion gas that material combusting produces is for the first time carried to pure qi (oxygen) cabinet 14 mixed air vessel through air mixture outlet 10 by vertical air flue 9 parts, and another part then returns by the combustion zone down and burns once more, and wherein coal tar is carried out the cracking purification.

The combustion gas that enters mixed air vessel is at first carried out adsorption filtration by adsorption cleaning layer 18, uply afterwards filters once more by gas filtration net 16 and microgranular gas filtration agent 17, and finally the combustion gas by 19 outputs of combustion gas delivery port is clean fuel gas.

Claims

1, a kind of multifunctional biomass gasification installation, comprise vapourizing furnace, the pure qi (oxygen) cabinet, described vapourizing furnace is a vertical structure, bell is sleeved in the water sealed tank of furnace roof end outer rim, its middle part is provided with the binder hole of with closure, it is characterized in that: described vapourizing furnace burner hearth is square, flat tubular cavity configuration, the burner hearth bottom center is provided with variable quantity public attention, burner hearth upper end ring oven inwall is provided with annular air channel, be evenly equipped with air inlet port on the described annular air channel, vertical air flue that a sidewall is provided with from bottom to top and communicates with this annular air channel in the stove, described vertical air flue bottom is open shape inlet mouth, be respectively arranged with air mixture outlet and the purging valve that communicates with this vertical air flue on this wing furnace outer wall from bottom to top, described air mixture outlet links to each other with the air mixture import of pure qi (oxygen) cabinet bottom; The gas filtration net that described pure qi (oxygen) cabinet is provided with by the middle part in it and be distributed in the online microgranular gas filtration agent of this gas filtration and be divided into two, gas filtration side off the net is a mixed air vessel, the pure qi (oxygen) cabinet outer wall of corresponding mixed air vessel is provided with the air mixture import, the mixed air vessel bottom is provided with the adsorption cleaning layer that is made of mineral material, the online side of gas filtration is an air-purifying chamber, and the pure qi (oxygen) cabinet outer wall of corresponding air-purifying chamber is provided with the clean fuel gas delivery port.

2, multifunctional biomass gasification installation according to claim 1 is characterized in that described variable quantity public attention is a tubular body arranged inside, is evenly equipped with the air blast hole on it, in each air blast hole check valve is housed all.

3, multifunctional biomass gasification installation according to claim 1 is characterized in that its burner hearth bottom of described vapourizing furnace is provided with heat insulation combustion-supporting material layer.

4, multifunctional biomass gasification installation according to claim 1 is characterized in that its body of heater below of described vapourizing furnace is provided with air compartment, and this air compartment one side is provided with the blast orifice that is connected with gas blower.