CN105273765B - A kind of biomass fluid bed hot combustion gas and biomass carbon cogeneration facility and production technology - Google Patents
A kind of biomass fluid bed hot combustion gas and biomass carbon cogeneration facility and production technology Download PDFInfo
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- CN105273765B CN105273765B CN201510808683.8A CN201510808683A CN105273765B CN 105273765 B CN105273765 B CN 105273765B CN 201510808683 A CN201510808683 A CN 201510808683A CN 105273765 B CN105273765 B CN 105273765B
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Abstract
The invention discloses a kind of biomass fluid bed hot combustion gas and biomass carbon cogeneration facility and production technology, production equipment includes the equipment such as gasification furnace body, steam generator, steam heater, cyclone separator and combustion gas air-introduced machine；Production technology is included by adjusting each section of gas stream in the stove speed and gas outlet position in gasification furnace body, so as to realize the control under different load state to biomass carbon and biological fuel gas quality.Present invention process method is advanced, and production equipment is simple and reliable, with the advantage having a wide range of application, economic value is high.
Description
Technical field
The invention belongs to biomass utilization technologies field, and in particular to a kind of biomass fluid bed hot combustion gas and biomass carbon
Cogeneration facility and production technology.
Background technology
Human society is faced with huge Pressure on Energy and environmental pressure, and biomass energy is used as a kind of cleanliness without any pollution
Regenerative resource, its comprehensive development and utilization has caused countries in the world to be paid close attention to.Compared to directly burning, gasification of biomass can be obtained
Two kinds of products of biological fuel gas and biomass carbon, by rationally controlling course of reaction to obtain the biomass carbon of high-quality, enter
And greatly improve added value of product.
Conventional gasification of biomass co-producing bio matter charcoal technique, because residence time of the biomass in gasification furnace can not be with
The load variations of gasification furnace and change, cause gasification furnace deviate rated load when, the biomass carbon quality produced is relatively low.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of high fluidized bed bio of product quality
Matter hot combustion gas and biomass carbon cogeneration facility and production technology.
A kind of biomass fluid bed hot combustion gas and biomass carbon cogeneration facility, including gasification furnace body, the gasification furnace sheet
Body includes upper furnace body, middle body of heater and the lower furnace body being sequentially communicated from top to bottom, and upper furnace body is provided with steam generator, steam generation
Device is connected by drum with steam heater, steam heater outlet through pipeline respectively with lower furnace body, middle body of heater and upper furnace body phase
First outlet pipe, second outlet pipe, the 3rd outlet and the 4th outlet are installed successively from bottom to top on connection, upper furnace body side wall
Regulating valve, first outlet pipe, second are respectively mounted on pipe, first outlet pipe, second outlet pipe, the 3rd outlet and the 4th outlet
Outlet, the 3rd outlet and the 4th outlet are connected after converging through pipeline with primary cyclone, one cyclonic separation
Secondary cyclone and combustion gas air-introduced machine are installed in device rear portion successively, the outlet of combustion gas air-introduced machine by the first pipeline, second pipe,
3rd pipeline and the 4th pipeline, are connected with heat user, air compartment, the heating coil being arranged on the outside of lower furnace body and middle body of heater respectively
Connect, middle body of heater be provided with biomass feeding device and air preheater, air preheater through pipeline respectively with air compartment and middle body of heater phase
Connection, and connected by the 3rd pipeline with heating coil, lower furnace body is provided with bed dispenser.
It is used as further describing for above-mentioned technical proposal：
Pipeline is connected with air blower at the air preheater.
A kind of biomass fluid bed hot combustion gas and the production technology of biomass carbon coproduction, using a kind of biomass fluid bed heat
Combustion gas and biomass carbon cogeneration facility are produced, and are comprised the following steps：
(1), by bed dispenser toward adding bed in lower furnace body；
(2) heat, is absorbed under bed auxiliary fluidisation toward biomass, biomass is added in middle body of heater by biomass feeding device
Pyrolytic reaction, generation pyrolysis gas and charcoal occur after amount；
(3) steam generator, is run, soft water generates steam by the steam generator installed on upper furnace body, and steam is through vapour
Bag is heated into superheated steam into steam heater, and superheated steam is divided into three tunnels, adds respectively from upper furnace body, middle body of heater and lower furnace body
Enter in the furnace body that gasifies, to control gasification furnace body temperature and progress charcoal quenched；
(4) air preheater, is run, air is divided into two-way after being preheated through air preheater, enters lower stove through air compartment all the way
Body, to adjust the intrinsic air velocity of gasification furnace, so as to control residence time of the biomass carbon in stove, another Lu Yu
Three pipeline high-temperature fuel gas mixing after-combustions, burn produce heat smoke by the heating coil heating biological matter outside lower furnace body,
Adjust the yield and specific surface area of charcoal；
(5) regulating valve, is opened, charcoal is carried by high-temperature fuel gas and sequentially passes through lower furnace body, middle body of heater, upper furnace body and first
Outlet, second outlet pipe, the 3rd outlet and the 4th outlet；
(6), operation primary cyclone and secondary cyclone and combustion gas air-introduced machine, charcoal are taken by high-temperature fuel gas
Band enters first outlet pipe, second outlet pipe, the 3rd outlet and the 4th outlet, it is aggregated after, separated into one cyclonic
Device and secondary cyclone realize that the separation of biomass carbon and high-temperature fuel gas, high-temperature fuel gas divide after being pressurizeed by combustion gas air-introduced machine
For the first pipeline, second pipe, the 3rd pipeline and the tunnel of the 4th pipeline four, the high-temperature fuel gas of the first pipeline is used for follow-up heat user,
Therefrom body of heater enters gasification furnace body to the high-temperature fuel gas of second pipe, and the high-temperature fuel gas of the 3rd pipeline is mixed with the air after preheating
Burning, the high-temperature fuel gas of the 4th pipeline enters lower furnace body by air compartment；
(7), the air that part pyrolysis gas and the 4th pipeline high temperature combustion gas and air compartment enter in step (2) is reacted,
The high-temperature fuel gas of generation realizes the fluidisation of biomass and bed.
It is used as further describing for above-mentioned technical proposal：
The lower furnace body interior air-flow speed is 2~4m/s, 300~650 DEG C of temperature；Middle body of heater interior air-flow speed be 0.5~
1m/s, 450~600 DEG C of temperature；Upper furnace body interior air-flow speed is 3~6m/s, 400~500 DEG C of temperature.
It is used as further describing for above-mentioned technical proposal：
The gasification furnace body gas production load is divided into 0~25%, 25~50%, 50~75%, 75~100% level Four,
When load is 0~25%, high-temperature fuel gas enters primary cyclone from the 4th outlet；When load is 25~50%,
High-temperature fuel gas enters primary cyclone from the 3rd outlet；When load is 50~75%, high-temperature fuel gas is from second outlet
Pipe enters primary cyclone；When load is 75~100%, high-temperature fuel gas is separated from first outlet pipe into one cyclonic
Device.
Compared with prior art, the present invention has advantages below：
1st, by adjusting gasification furnace body flow velocity in gasification furnace stove under different load state, so as to control biomass carbon
Quality, greatly improves the carbon content rate and porosity of biomass carbon, and the biomass carbon quality produced is high.
2nd, realized by external heating mode the flue gas after the pyrolysis and gasification of biomass material, fuel gas buring not with gasification furnace
The combustion gas mixing of generation, so as to substantially increase the calorific value of biological fuel gas, increases gasification of biomass co-producing bio matter charcoal
Scope.
3rd, the integrated regulation of gasification furnace is realized using classification gas outlet mode, the product of biomass carbon are further controlled
Matter.
Brief description of the drawings
Fig. 1 is the structural representation of biomass fluid bed hot combustion gas and biomass carbon cogeneration facility in the present invention.
Embodiment
Referring to Fig. 1, a kind of biomass fluid bed hot combustion gas and biomass carbon cogeneration facility, including gasification furnace body 1, gasification
Furnace body 1 includes upper furnace body 11, middle body of heater 12 and the lower furnace body 13 being sequentially communicated from top to bottom, and upper furnace body 11 is sent out provided with steam
Raw device 112, steam generator 112 is connected by drum 113 with steam heater 111, and steam heater 111 is exported through pipeline point
It is not connected with lower furnace body 13, middle body of heater 12 and upper furnace body 11, first outlet is installed successively from bottom to top on the side wall of upper furnace body 11
Pipe 114, second outlet pipe 115, the 3rd outlet 116 and the 4th outlet 117, first outlet pipe 114, second outlet pipe 115,
Regulating valve 118, first outlet pipe 114, second outlet pipe 115, are respectively mounted on 3rd outlet 116 and the 4th outlet 117
Three outlets 116 and the 4th outlet 117 are connected after converging through pipeline with primary cyclone 2, primary cyclone 2
Secondary cyclone 3 and combustion gas air-introduced machine 4 are installed in rear portion successively, and the outlet of combustion gas air-introduced machine 4 is managed by the first pipeline 41, second
Road 42, the 3rd pipeline 43 and the 4th pipeline 44, respectively with heat user 5, air compartment 6, the heating coil 7 being arranged on the outside of lower furnace body 13
It is connected with middle body of heater 12, middle body of heater 12 is provided with biomass feeding device 8 and air preheater 9, and air preheater 9 is through pipeline point
It is not connected with air compartment 6 and middle body of heater 12, and is connected by the 3rd pipeline 43 with heating coil 7, lower furnace body 13 is provided with bed
Dispenser 10.
Its course of work is：
Soft water generates steam by the steam generator 112 installed on upper furnace body 11, and steam adds through drum 113 into steam
Hot device 111 is heated into superheated steam, and superheated steam is divided into three tunnels, is added respectively from upper furnace body 11, middle body of heater 12 and lower furnace body 13
In gasification furnace body, to control gasification furnace body temperature and progress charcoal quenched.
Air is divided into two-way after being preheated through air preheater 9, enters lower furnace body 13 through air compartment 6 all the way, to adjust gasification
Air velocity in furnace body, so that residence time of the biomass carbon in stove is controlled, another high temperature of tri- pipelines of Lu Yu 43 combustion
Gas mixing after-combustion, the heat smoke produced that burns adjusts charcoal by the heating biological matter of heating coil 7 outside lower furnace body 13
Yield and specific surface area.
By biomass feeding device 8, therefrom body of heater 12 is added biomass, and bed is fed by bed dispenser 10 from lower furnace body 13,
After absorbing heat under bed auxiliary fluidisation pyrolytic reaction occurs for biomass, generation pyrolysis gas and charcoal, partial thermal decomposition gas and
The air that the high-temperature fuel gas of 4th pipeline 44 enters with air compartment 6 is reacted, and the high-temperature fuel gas of generation realizes biomass and bed
Fluidisation, charcoal is carried by high-temperature fuel gas and sequentially passed through after lower furnace body 13, middle body of heater 12, upper furnace body 11 and outlet, into one
Level cyclone separator 2 and secondary cyclone 3 realize the separation of biomass carbon and high-temperature fuel gas, and high-temperature fuel gas is drawn by combustion gas
Blower fan 4 is divided into the first pipeline 41, second pipe 42, the 3rd pipeline 43 and the tunnel of the 4th pipeline 44 4 after pressurizeing, the first pipeline 41
High-temperature fuel gas is used for follow-up heat user, and therefrom body of heater 12 enters gasification furnace body, the 3rd pipeline to the high-temperature fuel gas of second pipe 42
Air mixed combustion after 43 high-temperature fuel gas and preheating, the high-temperature fuel gas of the 4th pipeline 44 enters lower furnace body 13 by air compartment 6.
In the present embodiment, pipeline is connected with air blower 91 at air preheater 9.Purpose is, convenient operation and control, and
It is easy to carry out repair and maintenance to equipment.
Produced, comprised the following steps using this device for flowization bed biomass hot combustion gas and biomass carbon：
(1) bed, is added toward lower furnace body 13 is interior by bed dispenser 10；
(2), by biomass feeding device 8 toward addition biomass in middle body of heater 12, biomass is inhaled under bed auxiliary fluidisation
Receive and pyrolytic reaction occurs after heat, generation pyrolysis gas and charcoal；
(3) steam generator 112, is run, soft water generates steam by the steam generator 112 installed on upper furnace body 11,
Steam is heated into superheated steam into steam heater 111 through drum 113, and superheated steam is divided into three tunnels, respectively from upper furnace body 11,
Middle body of heater 12 and lower furnace body 13 are added in gasification furnace body, to control gasification furnace body temperature and progress charcoal quenched；
(4) air preheater 9, is run, air is divided into two-way after being preheated through air preheater 9, under entering all the way through air compartment 6
Body of heater 13, to adjust the intrinsic air velocity of gasification furnace, so as to control residence time of the biomass carbon in stove, Ling Yilu
With the high-temperature fuel gas mixing after-combustion of the 3rd pipeline 43, the heat smoke produced that burns is added by the heating coil 7 outside lower furnace body 13
Hot biomass, adjusts the yield and specific surface area of charcoal；
(5) regulating valve 118, is opened, charcoal is carried by high-temperature fuel gas and sequentially passes through lower furnace body 13, middle body of heater 12, upper stove
Body 11 and first outlet pipe 114, second outlet pipe 115, the 3rd outlet 116 and the 4th outlet 117；
(6), operation primary cyclone 2 and secondary cyclone 3 and combustion gas air-introduced machine 4, charcoal is fired by high temperature
Gas is carried along into first outlet pipe 114, second outlet pipe 115, the 3rd outlet 116 and the 4th outlet 117, it is aggregated after,
The separation of biomass carbon and high-temperature fuel gas is realized into primary cyclone 2 and secondary cyclone 3, high-temperature fuel gas passes through
Combustion gas air-introduced machine 4 is divided into the first pipeline 41, second pipe 42, the 3rd pipeline 43 and the tunnel of the 4th pipeline 44 4, the first pipe after pressurizeing
The high-temperature fuel gas in road 41 is used for follow-up heat user, and therefrom body of heater 12 enters gasification furnace body to the high-temperature fuel gas of second pipe 42, the
Air mixed combustion after the high-temperature fuel gas of three pipelines 43 and preheating, the high-temperature fuel gas of the 4th pipeline 44 enters lower stove by air compartment 6
Body 13；
(7), the air that part pyrolysis gas and the high temperature combustion gas of the 4th pipeline 44 and air compartment 6 enter in step (2) carries out anti-
Should, the high-temperature fuel gas of generation realizes the fluidisation of biomass and bed.
Wherein, the interior air-flow speed of lower furnace body 13 is 2~4m/s, 300~650 DEG C of temperature；The middle interior air-flow speed of body of heater 12 is
0.5~1m/s, 450~600 DEG C of temperature；The interior air-flow speed of upper furnace body 11 is 3~6m/s, 400~500 DEG C of temperature.
Wherein, the gasification gas production load of furnace body 1 is divided into 0~25%, 25~50%, 50~75%, 75~100% 4
Level, when load is 0~25%, high-temperature fuel gas enters primary cyclone 2 from the 4th outlet 117；When load be 25~
When 50%, high-temperature fuel gas enters primary cyclone 2 from the 3rd outlet 116；When load is 50~75%, high-temperature fuel gas
Enter primary cyclone 2 from second outlet pipe 115；When load is 75~100%, high-temperature fuel gas is from first outlet pipe
114 enter primary cyclone 2.
Embodiment 1
Gasification furnace load is at 90%, the regulating valve 118 on opening first outlet pipe 114, closing second outlet pipe 115,
Regulating valve 118 on 3rd outlet 116, the 4th outlet 117, air is divided into two-way after being preheated through air preheater 9, all the way
Enter lower furnace body 13 through air compartment 6, the high-temperature fuel gas mixing after-combustion of another pipelines 43 of Lu Yu tri-, the heat smoke that burning is produced leads to
The heating biological matter of heating coil 7 crossed outside lower furnace body 13；Soft water is generated by the steam generator 112 installed on upper furnace body 11
Steam, steam is heated into superheated steam through drum 113 into steam heater 111, and superheated steam is divided into 3 tunnels, respectively from upper stove
Body 11, middle body of heater 12 and lower furnace body 13 add gasification furnace body 1.By biomass feeding device 8, therefrom body of heater 12 is added biomass, bed
Material is fed by bed dispenser 10 from lower furnace body 13, and after absorbing heat under bed auxiliary fluidisation pyrolytic reaction occurs for biomass,
The air that the high-temperature fuel gas of generation pyrolysis gas and charcoal, partial thermal decomposition gas and the 4th pipeline 44 enters with air compartment is reacted,
The high-temperature fuel gas of generation realizes the fluidisation of biomass and bed, charcoal carried by high-temperature fuel gas sequentially pass through lower furnace body 13, in
After body of heater 12, upper furnace body 11 and outlet, into primary cyclone 2 and secondary cyclone 3 realize biomass carbon and
The separation of high-temperature fuel gas, high-temperature fuel gas is divided into the first pipeline 41, second pipe 42, the 3rd pipe after being pressurizeed by combustion gas air-introduced machine 4
Road 43 and the tunnel of the 4th pipeline 44 4, the high-temperature fuel gas of the first pipeline 41 are used for follow-up heat user 5, the high-temperature fuel gas of second pipe 42
The air mixed combustion that therefrom body of heater 12 enters after gasification furnace body, the high-temperature fuel gas of the 3rd pipeline 43 and preheating, the 4th pipeline
44 high-temperature fuel gas enters lower furnace body by air compartment 6, and it is 3.5m/s, 550 DEG C of temperature to control the interior air-flow speed of lower furnace body 13；Middle body of heater
12 interior air-flow speed are 0.8m/s, 500 DEG C of temperature；The interior air-flow speed of upper furnace body 11 is 4m/s, 480 DEG C of temperature.The life produced
Material charcoal phosphorus content 92%, the specific surface area of charcoal is 220m2/ g, biological fuel gas calorific value 5500kj/Nm3.
Embodiment 2
Gasification furnace load is at 70%, the regulating valve 118 on opening second outlet pipe 115, closing first outlet pipe 114,
Regulating valve 118 on 3rd outlet 116, the 4th outlet 117, air is divided into two-way after being preheated through air preheater 9, all the way
Enter lower furnace body 13 through air compartment 6, the high-temperature fuel gas mixing after-combustion of another pipelines 43 of Lu Yu tri-, the heat smoke that burning is produced leads to
The heating biological matter of heating coil 7 crossed outside lower furnace body 13；Soft water is generated by the steam generator 112 installed on upper furnace body 11
Steam, steam is heated into superheated steam through drum 113 into steam heater 111, and superheated steam is divided into 3 tunnels, respectively from upper stove
Body 11, middle body of heater 12 and lower furnace body 13 add gasification furnace body.By biomass feeding device 8, therefrom body of heater 12 is added biomass, bed
Material is fed by bed dispenser 10 from lower furnace body 13, and after absorbing heat under bed auxiliary fluidisation pyrolytic reaction occurs for biomass,
The air that the high-temperature fuel gas of generation pyrolysis gas and charcoal, partial thermal decomposition gas and the 4th pipeline 44 enters with air compartment is reacted,
The high-temperature fuel gas of generation realizes the fluidisation of biomass and bed, charcoal carried by high-temperature fuel gas sequentially pass through lower furnace body 13, in
After body of heater 12, upper furnace body 11 and second outlet pipe 115, biology is realized into primary cyclone 2 and secondary cyclone 3
The separation of matter charcoal and high-temperature fuel gas, high-temperature fuel gas by combustion gas air-introduced machine 4 pressurize after be divided into the first pipeline 41, second pipe 42,
3rd pipeline 43 and the tunnel of the 4th pipeline 44 4, the high-temperature fuel gas of the first pipeline 41 are used for follow-up heat user 5, the height of second pipe 42
The warm combustion gas air mixed combustion that therefrom body of heater 12 enters after gasification furnace body, the high-temperature fuel gas of the 3rd pipeline 43 and preheating, the
The high-temperature fuel gas of four pipelines 44 enters lower furnace body by air compartment 6, and it is 2.8m/s, 565 DEG C of temperature to control the interior air-flow speed of lower furnace body 13；
The middle interior air-flow speed of body of heater 12 is 0.65m/s, 520 DEG C of temperature；The interior air-flow speed of upper furnace body 11 is 3.2m/s, 470 DEG C of temperature.It is raw
The biomass carbon phosphorus content 91.5% of output, the specific surface area of charcoal is 215m2/ g, biological fuel gas calorific value 5530kj/Nm3。
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of biomass fluid bed hot combustion gas and biomass carbon cogeneration facility, including gasification furnace body, it is characterised in that：It is described
Gasification furnace body includes upper furnace body, middle body of heater and the lower furnace body being sequentially communicated from top to bottom, and upper furnace body is provided with steam generator,
Steam generator is connected by drum with steam heater, steam heater outlet through pipeline respectively with lower furnace body, middle body of heater and
Upper furnace body is connected, and installs first outlet pipe, second outlet pipe, the 3rd outlet and the on the wall of upper furnace body side successively from bottom to top
Regulating valve is respectively mounted on four outlets, first outlet pipe, second outlet pipe, the 3rd outlet and the 4th outlet, first outlet
Pipe, second outlet pipe, the 3rd outlet and the 4th outlet are connected after converging through pipeline with primary cyclone, one-level rotation
Secondary cyclone and combustion gas air-introduced machine are installed in wind separator rear portion successively, and the outlet of combustion gas air-introduced machine passes through the first pipeline, the
Two pipelines, the 3rd pipeline and the 4th pipeline, respectively with heat user, air compartment, the heating coil being arranged on the outside of lower furnace body and middle stove
Body phase connect, middle body of heater be provided with biomass feeding device and air preheater, air preheater through pipeline respectively with air compartment and in
Body of heater is connected, and is connected by the 3rd pipeline with heating coil, and lower furnace body is provided with bed dispenser.
2. a kind of biomass fluid bed hot combustion gas according to claim 1 and biomass carbon cogeneration facility, it is characterised in that：
Pipeline is connected with air blower at the air preheater.
3. a kind of biomass fluid bed hot combustion gas and biomass carbon joint production process, using a kind of biomass fluid bed hot combustion gas and life
Material charcoal cogeneration facility is produced, it is characterised in that：Comprise the following steps：
(1), by bed dispenser toward adding bed in lower furnace body；
(2), by biomass feeding device toward adding biomass in middle body of heater, after biomass absorbs heat under bed auxiliary fluidisation
Generation pyrolytic reaction, generation pyrolysis gas and charcoal；
(3) steam generator, is run, soft water generates steam by the steam generator installed on upper furnace body, and steam enters through drum
Enter steam heater and be heated into superheated steam, superheated steam is divided into three tunnels, add gas from upper furnace body, middle body of heater and lower furnace body respectively
Change in furnace body, to control gasification furnace body temperature and progress charcoal quenched；
(4) air preheater, is run, air is divided into two-way, enters lower furnace body through air compartment all the way after being preheated through air preheater, used
To adjust the intrinsic air velocity of gasification furnace, so as to control residence time of the biomass carbon in stove, another Lu Yu tri- is managed
Road high-temperature fuel gas mixing after-combustion, the heat smoke produced that burns passes through the heating coil heating biological matter outside lower furnace body, adjustment
The yield and specific surface area of charcoal；
(5) regulating valve, is opened, charcoal is carried by high-temperature fuel gas and sequentially passes through lower furnace body, middle body of heater, upper furnace body and first outlet
Pipe, second outlet pipe, the 3rd outlet and the 4th outlet；
(6), operation primary cyclone and secondary cyclone and combustion gas air-introduced machine, charcoal are entrained into by high-temperature fuel gas
Enter first outlet pipe, second outlet pipe, the 3rd outlet and the 4th outlet, it is aggregated after, into primary cyclone and
Secondary cyclone realizes the separation of biomass carbon and high-temperature fuel gas, and high-temperature fuel gas is divided into the after being pressurizeed by combustion gas air-introduced machine
One pipeline, second pipe, the 3rd pipeline and the tunnel of the 4th pipeline four, the high-temperature fuel gas of the first pipeline are used for follow-up heat user, second
Therefrom body of heater enters gasification furnace body to the high-temperature fuel gas of pipeline, and the high-temperature fuel gas of the 3rd pipeline mixes combustion with the air after preheating
Burn, the high-temperature fuel gas of the 4th pipeline enters lower furnace body by air compartment；
(7), the air that part pyrolysis gas and the 4th pipeline high temperature combustion gas and air compartment enter in step (2) is reacted, and is produced
High-temperature fuel gas realize the fluidisation of biomass and bed.
4. a kind of biomass fluid bed hot combustion gas according to claim 3 and biomass carbon joint production process, it is characterised in that：
The lower furnace body interior air-flow speed is 2~4m/s, 300~650 DEG C of temperature；Middle body of heater interior air-flow speed is 0.5~1m/s, temperature
450~600 DEG C；Upper furnace body interior air-flow speed is 3~6m/s, 400~500 DEG C of temperature.
5. a kind of biomass fluid bed hot combustion gas according to claim 3 and biomass carbon joint production process, it is characterised in that：
The gasification furnace body gas production load is divided into 0~25%, 25~50%, 50~75%, 75~100% level Four, when load is 0
When~25%, high-temperature fuel gas enters primary cyclone from the 4th outlet；When load is 25~50%, high-temperature fuel gas is certainly
3rd outlet enters primary cyclone；When load is 50~75%, high-temperature fuel gas enters one-level from second outlet pipe
Cyclone separator；When load is 75~100%, high-temperature fuel gas enters primary cyclone from first outlet pipe.
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| CN111763535B (en) * | 2020-06-29 | 2021-09-03 | 中国科学院山西煤炭化学研究所 | Method and device for preparing fuel gas or synthesis gas by biomass fluidized bed gasification |
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| CN205133527U (en) * | 2015-11-19 | 2016-04-06 | 合肥德博生物能源科技有限公司 | Hot gas of fluidized bed living beings and living beings charcoal coproduction equipment |
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