CN209098587U - It is a kind of with ash discharge and the fluidized-bed gasification furnace slagged tap simultaneously - Google Patents
It is a kind of with ash discharge and the fluidized-bed gasification furnace slagged tap simultaneously Download PDFInfo
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- CN209098587U CN209098587U CN201821777087.3U CN201821777087U CN209098587U CN 209098587 U CN209098587 U CN 209098587U CN 201821777087 U CN201821777087 U CN 201821777087U CN 209098587 U CN209098587 U CN 209098587U
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Abstract
The utility model discloses a kind of with ash discharge simultaneously and the fluidized-bed gasification furnace slagged tap, including fluidized-bed gasification furnace, the left side wall of fluidized-bed gasification furnace is provided with gas outlet and cement output tank, the bottom of cement output tank is provided with ash discharge spiral, the right side wall of fluidized-bed gasification furnace is provided with pressure feeding spiral, raw material cabin is provided at the top of pressure feeding spiral, the right side wall bottom of fluidized-bed gasification furnace is provided with residue outlet, the bottom of residue outlet is provided with electric butterfly valve, slag waggon is provided with immediately below residue outlet, the bottom of fluidized-bed gasification furnace is provided with air distribution plate, the bottom of air distribution plate is provided with wind drum, the left side of wind drum is provided with air blower, the bottom of air blower is provided with electrically operated valve, the utility model can be by increasing slag releasing channel in fluidized-bed gasification furnace furnace bottom position appropriate, it will accumulate in the soil block of fluidized-bed gasification furnace furnace bottom, the impurity such as sandstone By the indefinite period discharge of slag releasing channel, ensures the continuous operation of whole system, make the production capacity and maximization of economic benefit of system.
Description
Technical field
The utility model relates to biomass fluidized bed gasification furnace technical fields, in particular to a kind of to have ash discharge simultaneously and go out
The fluidized-bed gasification furnace of slag.
Background technique
Biomass material uniformly enters in gasification furnace through pressure feeding spiral device, and combustion adjuvant air is by air blower through wind drum
Enter in furnace using air distribution plate, realizes that gasification temperature is basicly stable in control furnace, makes by the ratio of control raw material and air
High temperature (650-780 DEG C) anoxic is in furnace, the chemical process in furnace mainly includes that combustion reaction, pyrolysis and reduction are anti-
It answers.Part material and oxygen combustion, heat needed for providing thermal decomposition, most of biomass thermally decompose under anoxic conditions
Fugitive constituent and charcoal is precipitated in reaction, and fugitive constituent stops in high temperature reaction zone occurs secondary response, generates with CO, H2、CH4It is effective
The biological fuel gas of ingredient, combustion gas are discharged into follow-up equipment from top of gasification furnace.The complete residue based on carbon of unreacted is dry
Gasification furnace is continuously discharged by ash discharge channel in ash, guarantees that bed depth is basicly stable in furnace.
Fluidized gasification technology determines that ash discharge passway must keep certain difference in height just company of being able to achieve with air distribution plate
Continuous efficient operation, and the biomass materials such as various agricultural crop straws, fruit tree branch, forestry waste can not during storing up fortune
The meeting avoided is mixed into soil block and sandstone, by these biomass materials using fluidized gasification technical transform at the life of biological fuel gas
During production, the impurity such as soil block, sandstone in raw material cannot be discharged because density is larger from ash discharge channel.With production it is continuous into
Row is collected at the bottom of gasification furnace into impurity such as soil block, sandstones in gasification furnace, when gathering a certain amount of, gasification furnace without
Method operates normally, and only stops clearing up impurity in furnace after producing and puts into operation again again, seriously affects the continuous steady of whole system
Fixed production, for this purpose, we have proposed a kind of with ash discharge simultaneously and the fluidized-bed gasification furnace slagged tap.
Utility model content
Providing for the utility model a kind of is energy with ash discharge and the fluidized-bed gasification furnace slagged tap, main purpose simultaneously
Enough by increasing slag releasing channel in fluidized-bed gasification furnace furnace bottom position appropriate, the soil of fluidized-bed gasification furnace furnace bottom will accumulate in
The impurity such as block, sandstone ensure the continuous operation of whole system by the discharge of slag releasing channel indefinite period, make system production capacity and
Maximization of economic benefit.
To achieve the above object, the technical solution that the utility model is taken are as follows:
It is a kind of with ash discharge and the fluidized-bed gasification furnace slagged tap, including fluidized-bed gasification furnace simultaneously, the fluidized gasification
Be provided with gas outlet at the top of the left side wall of furnace, the left side wall bottom of the fluidized-bed gasification furnace is provided with cement output tank, it is described go out
The bottom left of ash pipe is provided with ash discharge spiral, and the right side wall of the fluidized-bed gasification furnace is provided with pressure feeding spiral, the feed
The top right side of spiral is provided with raw material cabin, and the right side wall bottom of the fluidized-bed gasification furnace is provided with residue outlet, and residue outlet
Feed inlet be located at pressure feeding spiral discharge port underface, the bottom of the residue outlet is provided with electric butterfly valve, described to slag tap
Slag waggon is provided with immediately below pipe, the bottom of the fluidized-bed gasification furnace is provided with air distribution plate, and the bottom of the air distribution plate is set
It is equipped with wind drum, the left side of the wind drum is provided with air blower, and the outlet side of air blower passes through the left side air inlet of tracheae and wind drum
End is connected, and the bottom inflow end of the air blower is provided with electrically operated valve.
Preferably, the upper surface of the air distribution plate equidistantly offers air holes, the air for importing air blower, after wind drum
It can more uniformly enter in fluidized-bed gasification furnace, make the biomass reverse in fluidized-bed gasification furnace everywhere should be uniform.
Preferably, the line between the projection of the feed inlet of the discharge port of the pressure feeding spiral and cement output tank in the horizontal plane
The center of circle projected in the horizontal plane by fluidized-bed gasification furnace, make biomass in fluidized-bed gasification furnace from be fed to discharging movement
Apart from longest, the time longest reacted in fluidized-bed gasification furnace, biomass reverse should more sufficiently.
Preferably, the feed inlet lower edge of the top of the air distribution plate and residue outlet is located at same level, is gathered in cloth wind
The soil block and sandstone of plate upper surface can be discharged by residue outlet, and the soil block for making fluidized-bed gasification furnace furnace bottom and sandstone discharge are more
Sufficiently, residual is reduced.
Preferably, the fluidized gasification furnace outer wall is provided with insulating layer, reduces fluidized-bed gasification furnace in production biomass
The loss of heat, energy saving in gas process.
Compared with prior art, the utility model has the following beneficial effects:
1. the utility model increases residue outlet by the furnace bottom in fluidized-bed gasification furnace, it can be discharged and be gathered in fluidized bed gas
Change the impurity such as soil block, the sandstone of furnace furnace bottom, makes fluidized-bed gasification furnace furnace endogenous substance height keep stablizing, ensure whole system
Continuous operation is wherein generally aligned in the same plane at the top of the feed inlet lower edge and air distribution plate of residue outlet, makes on air distribution plate upper surface
The impurity such as soil block, sandstone can be transferred through residue outlet discharge, and the discharge of the impurity such as soil block, sandstone sufficiently, reduces impurity residual；
2. the utility model makes between the feed inlet projection in the horizontal plane of discharge port and cement output tank of pressure feeding spiral
Line passes through the center of circle that fluidized-bed gasification furnace projects in the horizontal plane, i.e. the discharge port of pressure feeding spiral and the feed inlet of cement output tank exists
The relative position of fluidized-bed gasification furnace be designed to 180 ° it is diagonal, it is right since biomass needs the regular hour that could sufficiently react
Angle design method can make biomass in fluidized-bed gasification furnace from be fed to discharging it is mobile apart from longest, guarantee that biomass exists
The time longest reacted in fluidized-bed gasification furnace, biomass reverse more sufficiently should improve the utilization rate of resource.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the air distributor structure schematic diagram of the utility model.
In figure: 1- fluidized-bed gasification furnace；2- air blower；3- electrically operated valve；4- wind drum；5- air distribution plate；6- raw material cabin；7- gives
Expect spiral；8- cement output tank；9- ash discharge spiral；10- residue outlet；11- electric butterfly valve；12- slag waggon；13- gas outlet；14- wind
Hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
It is as shown in Figs. 1-2 a kind of with ash discharge simultaneously and the fluidized-bed gasification furnace slagged tap, including fluidized-bed gasification furnace 1,
1 outer wall of fluidized-bed gasification furnace is provided with insulating layer, reduces the damage of heat during producing biological fuel gas of fluidized-bed gasification furnace 1
It loses, it is energy saving, gas outlet 13, the left side wall bottom of fluidized-bed gasification furnace 1 are provided at the top of the left side wall of fluidized-bed gasification furnace 1
Portion is provided with cement output tank 8, and the bottom left of cement output tank 8 is provided with ash discharge spiral 9, and the right side wall of fluidized-bed gasification furnace 1 is provided with
Line between the projection of the feed inlet of pressure feeding spiral 7, the discharge port of pressure feeding spiral 7 and cement output tank 8 in the horizontal plane passes through stream
Change the center of circle that projects in the horizontal plane of bed gasification furnace 1, make biomass in fluidized-bed gasification furnace 1 from be fed to discharging it is mobile away from
From longest, the time longest reacted in fluidized-bed gasification furnace 1, biomass reverse should more sufficiently, the top right side of pressure feeding spiral 7
It is provided with raw material cabin 6, the right side wall bottom of fluidized-bed gasification furnace 1 is provided with residue outlet 10, and the feed inlet of residue outlet 10 is located at
The underface of the discharge port of pressure feeding spiral 7, and the feed inlet lower edge of the top of air distribution plate 5 and residue outlet 10 is located at same level
Face, the soil block and sandstone for being gathered in 5 upper surface of air distribution plate can be discharged by residue outlet 10, make 1 furnace bottom of fluidized-bed gasification furnace
Soil block and sandstone discharge are more abundant, reduce residual, and the bottom of residue outlet 10 is provided with electric butterfly valve 11, residue outlet 11 just under
Side is provided with slag waggon 12, and the bottom of fluidized-bed gasification furnace 1 is provided with air distribution plate 5, and the upper surface of air distribution plate 5 equidistantly offers
Air holes 14, the air for importing air blower 2, can more uniformly enter in fluidized-bed gasification furnace 1 after wind drum 4, make to fluidize
Biomass reverse in bed gasification furnace 1 everywhere should uniformly, and the bottom of air distribution plate 5 is provided with wind drum 4, and the left side of wind drum 4 is provided with drum
Blower 2, and the outlet side of air blower 2 is connected by tracheae with the left side inlet end of wind drum 4, the bottom inflow end of air blower 2
It is provided with electrically operated valve 3.
One of the present embodiment has particular application as, and the utility model carries out production biological fuel gas to by biomass material
In operation, gasification system is opened, when furnace endogenous substance raw material furnace temperature after full combustion has reached set temperature, has stable fortune
After row condition, biomass material is uniformly sent into fluidized-bed gasification furnace 1 from raw material cabin 6 through pressure feeding spiral 7, simultaneously containing combustion-supporting
The air of agent oxygen enters fluidized bed gas in equal cloth-like through wind drum 4, air distribution plate 5 again under the control of electrically operated valve 3 through air blower 2
Change in furnace 1, be mixed with raw material combustion-supporting, biomass material is made to carry out Pintsch process gasification, the combustion gas of generation is from fluidized bed gas
Change the discharge of 1 top gas outlet 13 of furnace, into follow-up equipment, complete unreacted using carbon is the dry ash of essential element through cement output tank 8
Fluidized-bed gasification furnace 1 is discharged, is sent into dry ash storehouse through ash discharge spiral 9, the impurity such as soil block, sandstone in biomass material are in itself weight
Power acts below lower most of discharge port for being collected at pressure feeding spiral 7, while being also the feed inlet top of residue outlet 10, irregularly
Deslagging butterfly valve 11 is opened, the impurity such as soil block, sandstone can be discharged fluidized-bed gasification furnace 1 through residue outlet 10, transport through slag waggon 12
To lime-ash stockyard, the normal of gasification system can be influenced to avoid because furnace bottom gathers due to excessive impurity effect air enters in gasification furnace
Production, to realize the continuous and steady operation of gasification system, increases economic efficiency.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of with ash discharge simultaneously and the fluidized-bed gasification furnace slagged tap, including fluidized-bed gasification furnace (1), it is characterised in that: institute
It states and is provided with gas outlet (13) at the top of the left side wall of fluidized-bed gasification furnace (1), the left side wall bottom of the fluidized-bed gasification furnace (1)
Portion is provided with cement output tank (8), and the bottom left of the cement output tank (8) is provided with ash discharge spiral (9), the fluidized-bed gasification furnace
(1) right side wall is provided with pressure feeding spiral (7), and the top right side of the pressure feeding spiral (7) is provided with raw material cabin (6), the stream
The right side wall bottom for changing bed gasification furnace (1) is provided with residue outlet (10), and the feed inlet of residue outlet (10) is located at pressure feeding spiral (7)
Discharge port underface, the bottom of the residue outlet (10) is provided with electric butterfly valve (11), the residue outlet (10) just under
Side is provided with slag waggon (12), and the bottom of the fluidized-bed gasification furnace (1) is provided with air distribution plate (5), the bottom of the air distribution plate (5)
Portion is provided with wind drum (4), is provided with air blower (2) on the left of the wind drum (4), and the outlet side of air blower (2) passes through tracheae
It is connected with the left side inlet end of wind drum (4), the bottom inflow end of the air blower (2) is provided with electrically operated valve (3).
2. according to claim 1 a kind of with ash discharge simultaneously and the fluidized-bed gasification furnace slagged tap, it is characterised in that: described
The upper surface of air distribution plate (5) equidistantly offers air holes (14).
3. according to claim 1 a kind of with ash discharge simultaneously and the fluidized-bed gasification furnace slagged tap, it is characterised in that: described
Line between the projection of the feed inlet of the discharge port of pressure feeding spiral (7) and cement output tank (8) in the horizontal plane passes through fluidized bed gas
Change the center of circle that furnace (1) projects in the horizontal plane.
4. according to claim 1 a kind of with ash discharge simultaneously and the fluidized-bed gasification furnace slagged tap, it is characterised in that: described
The top of air distribution plate (5) and the feed inlet lower edge of residue outlet (10) are located at same level.
5. according to claim 1 a kind of with ash discharge simultaneously and the fluidized-bed gasification furnace slagged tap, it is characterised in that: described
Fluidized-bed gasification furnace (1) outer wall is provided with insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777087.3U CN209098587U (en) | 2018-10-31 | 2018-10-31 | It is a kind of with ash discharge and the fluidized-bed gasification furnace slagged tap simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777087.3U CN209098587U (en) | 2018-10-31 | 2018-10-31 | It is a kind of with ash discharge and the fluidized-bed gasification furnace slagged tap simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209098587U true CN209098587U (en) | 2019-07-12 |
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ID=67157367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821777087.3U Active CN209098587U (en) | 2018-10-31 | 2018-10-31 | It is a kind of with ash discharge and the fluidized-bed gasification furnace slagged tap simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209098587U (en) |
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2018
- 2018-10-31 CN CN201821777087.3U patent/CN209098587U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20211206 Address after: 611, Zhongguancun building, 27 Zhongguancun Street, Haidian District, Beijing 100086 Patentee after: Zhongke Xiangdian (Beijing) Environmental Protection Technology Co.,Ltd. Address before: 100080, room 611, Zhongguancun building, 27 Zhongguancun street, Beijing, Haidian District Patentee before: BEIJING TOWNSHIP ELECTRICITY ELECTRIC POWER Co.,Ltd. |