CN105586095B - A kind of biomass microwave pyrolytic gasification reaction unit - Google Patents
A kind of biomass microwave pyrolytic gasification reaction unit Download PDFInfo
- Publication number
- CN105586095B CN105586095B CN201410563749.7A CN201410563749A CN105586095B CN 105586095 B CN105586095 B CN 105586095B CN 201410563749 A CN201410563749 A CN 201410563749A CN 105586095 B CN105586095 B CN 105586095B
- Authority
- CN
- China
- Prior art keywords
- gas
- microwave
- feed bin
- reactor
- lift tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002309 gasification Methods 0.000 title claims abstract description 53
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 48
- 239000002028 Biomass Substances 0.000 title claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 15
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 239000000571 coke Substances 0.000 claims description 22
- 238000000197 pyrolysis Methods 0.000 claims description 20
- 239000000047 product Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000005336 cracking Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 8
- 239000012265 solid product Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 210000002985 organ of corti Anatomy 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000010504 bond cleavage reaction Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 210000003128 head Anatomy 0.000 claims description 2
- 230000007017 scission Effects 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 68
- 239000011269 tar Substances 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000006057 reforming reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 3
- 239000011285 coke tar Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003039 volatile agent Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000004177 carbon cycle Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000007233 catalytic pyrolysis Methods 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013058 crude material Substances 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The present invention discloses a kind of biomass microwave pyrolytic gasification reaction unit, including feed bin, microwave-heating reactor, ash discharge tank, cyclone separator and gas-lift tube；Feed bin side connects screw feeder, and opposite side sets gas vent, and feed bin lower part outlet is connected by star-like valve with microwave-heating reactor head；Gas vent is set in the middle part of the wall of microwave-heating reactor side, and microwave-heating reactor bottom is separated by with ash discharge tank by fire grate, microwave-heating reactor bottom side connection spiral slag-discharging device；Cyclone separator is embedded in ash discharge tank, and top is connected with gas-lift tube entrance point, and bottom connects star-like valve；Gas-lift tube is located on the axis of reaction unit, and the gas-lift tube port of export is separated by with feed bin by gas distribution grid.The device biogas rate is high, and efficiency of carbon con version is high, obtains synthesis gas product quality height, disclosure satisfy that the requirement of synthetic liquid fuel, have applications well prospect.
Description
Technical field
The present invention relates to a kind of biomass microwave pyrolytic gasification reaction unit.
Background technology
In biomass energy is numerous using technology, biomass gasification technology is because ingredient requirement is low, gasification product utilizes
Rate is high and pollution is few, and gained gas products can be directly as fuel, it is also possible to makees industrial chemicals, is biomass energy utilization technologies
One of main method.At present biomass gasification technology according to the gasifying medium of use be divided into air gasification, oxygen-rich gasification, air-
Four kinds of methods of steam gasification and steam gasification, the reactor used include fixed bed（Updraft type and downdraft）, bubbling bed,
Fluid bed, outer/inner recirculating fluidized bed, spouted bed, air flow bed etc..Compared to coal gasification, biomass gasification technology still has some cores
Heart technology does not solve：It is that gasification product H/C mol ratios are relatively low first（H2/CO<1.5）, do not reach the requirement of synthesis gas also；Its
Secondary gasification efficiency is relatively low, and the use of a large amount of gasifying mediums, combustion gas are diluted, and calorific value reduces（<10MJ/m3）；Again, lack
Suitable tar removal methods, although although the oxide isolations such as air/oxygen are passed through in gasification occurs combustion reaction energy
Solves the problems, such as tar removing, but tar is more converted to CO2, actually carbon conversion efficiency reduction.It is to find out its cause, this
The conduction of heat mechanism of traditional ecto-entad result in the uncontrollable of pyrolytic reaction.It is generally believed that larger particles（Millimeter
Level）Pyrolytic reaction do not dominated by controllable chemical effect, but make biomass that repeatedly cracking occur with the conduction of heat, it is and biological
It is complicated and changeable that the otherness of matter composition even more exacerbates pyrolytic reaction product composition.
Microwave heating is a kind of completely different mode, and it does not need external heat source, nor heat transfer from outward appearance to inner essence,
But to heated material internal radiation microwave electromagnetic field, its dipole movement is promoted, it mutually collided, rubbed and heat.
Microwave heating is in different depth while produces heat, this " body heating ", not only makes heating more rapidly, and evenly, significantly
Improve the quality of heating.Compared with traditional thermal cracking, gas composition caused by microwave cracking, can be with unique advantage
Be summarised as it is following some：1) aerogenesis is hydrogen-rich gas；2) H in the product of generation2/ CO ratio is higher；3) it is thick in gas component
The content of cyclic hydrocarbon is seldom；4) low ash content.
CN201210401809.6 discloses biomass and the method for coke pyrolytic gasification, pyrolytic gasification under a kind of microwave field
Rate is more than 80%, and hydrogen content can reach 70% in gaseous product, but can not remove Jiao completely using simple water-cooling system
Oil, and the problem of recycling using zinc chloride as catalyst be present.
CN201110148095.8 discloses a kind of microwave entrained flow bed two-section type crude material gasifying technique, first with microwave charcoal
Metaplasia material, pyrolysis gas and charing biomass are then sent into entrained flow gasification, reduce the content of tar in synthesis gas, is improved
Gasification efficiency and charcoal percent conversion.CN201110449413.4 discloses a kind of microwave plasma biomass chemical industry skill, closes
85% is up into Gas content, and without tar, aldehydes matter in synthesis gas.But the air-flow bed tempertaure that above two method uses is up to
1100 DEG C, highest is close to 2000 DEG C, and not only energy consumption is higher, and equipment requirement is higher.
CN201010246886.X discloses a kind of method of preparing low-tar combustible gas through biomass gasification, biomass
Gaseous product is obtained by fluidized gasification and biology is burnt, and then the burnt Microwave Field Heating that enters of biology activates, and gaseous product leads to again
Cross treated biomass focus layer, catalytic pyrolysis tar therein, tar in gas content is from 17.3g/m3Reduce 8mg/m3。
But the method uses fluidized gasification, and gas flow rate is very fast, a large amount of particulate matters are easily carried by layer of charcoal, it is necessary to which follow-up deliming removes
Live together reason.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of biomass microwave pyrolytic gasification reaction unit, device life
Gasification substance rate is high, and efficiency of carbon con version is high, obtains synthesis gas product quality height, disclosure satisfy that the requirement of synthetic liquid fuel, have
Applications well prospect.
The biomass microwave pyrolytic gasification reaction unit of the present invention, including feed bin, microwave-heating reactor, ash discharge tank, rotation
Wind separator and gas-lift tube；Feed bin side connects screw feeder, and opposite side sets gas vent, and feed bin lower part outlet leads to
Star-like valve is crossed to be connected with microwave-heating reactor head；Gas vent is set in the middle part of the wall of microwave-heating reactor side, it is micro-
Ripple pyrolysis reactor bottom is separated by with ash discharge tank by fire grate, microwave-heating reactor bottom side connection spiral slag-discharging device；Rotation
Wind separator is embedded in ash discharge tank, and top is connected with gas-lift tube entrance point, and bottom connects star-like valve；Gas-lift tube
Occupy on the axis of reaction unit, the gas-lift tube port of export is separated by with feed bin by gas distribution grid.
In the present invention, microwave-heating reactor sets a number of microwave quartz window in wall, and each window corresponds to
One microwave generator, the power of single microwave generator is 500 ~ 2000W, is set according to situations such as the volume of reactor specific
Number of windows, typically set 4 ~ 16, ensure reactor in power density 0.1 × 105~10×105W/m3。
In the present invention, microwave-heating reactor uses longitudinally fixed bed, according to bed temperature section, be divided into preheating zone,
Pyrolysis zone, gasification zone and reformer section.120 ~ 260 DEG C of temperature, 260 ~ 600 DEG C of the temperature of pyrolysis zone, the temperature of gasification zone of preheating zone
Spend 600 ~ 800 DEG C, 800 ~ 1200 DEG C of the temperature of reformer section.The temperature in each area is controlled by corresponding microwave generator, in order to
Avoid because of biomass uneven heating caused by temperature control or even the problem of half-cooked be present, all microwave temperature control mechanisms in the present invention
The full-time absorption microwave of material is all adjusted to ensure that using continuous power and heated.
In the present invention, microwave-heating gas reactor entrance, between pyrolysis zone and gasification zone, vapor is mainly passed through
The reactions such as mixed reforming, coke tar cracking, semicoke conversion are participated in, and spiral slag-discharging device is arranged on the bottom of microwave-heating reactor,
In reformer section.Spiral slag-discharging device is ensuring that material is abundant according to reaction material accumulation situation control deslagging speed in reformer section
While reaction, the biomass processes amount of whole system is improved.
In the present invention, gas-lift tube is occupy on the axis of reaction unit, through feed bin, microwave reactor and whirlwind point
From device, the internal diameter of gas-lift tube is the 1/21 ~ 1/5 of reactor inside diameter, and wherein gas inlet end is located at cyclone separator top,
And gas outlet end is arranged on feed bin.Gas-lift tube from microwave reactor enter feed bin when single tube two-tube, the Y types that are changed into Y-shaped
Two-tube angle is 15 ~ 165 °, preferably 30 ~ 120 °, and the two-tube internal diameter of Y types is the 1/31 ~ 1/5 of reactor inside diameter.Gas lift
Pipe bottom is connected with fire grate by bearing, and in order to avoid Particulate Pollution bearing in reaction system, Bearing outer uses welding side
Formula is encapsulated, and solder side is lubricated between gas-lift tube, envelope surfaces and bearing using Hmp grease.Above-mentioned fire grate
Deslagging is carried out by the way of horizontal rotation, passes through Electronic control speed.
In the present invention, bin bottom inclined-plane sets gas distribution grid, uniform cloth hole vertically upward, gas distribution grid both sides with
Gas-lift tube is connected；Feed bin connects biomass screw feeder, is fed by way of spiral pushing；Feed bin and gas vent
Pipeline is connected, and ensures that gas is discharged by gas distribution grid from gas-lift tube and is sent into gas exit line.
In the present invention, the ash content in ash discharge tank derives from two parts, first, by the rotation of revolving grate by reformer section
Interior ash content is expelled directly out, in addition, gas carries part of ash in cyclone separator by centrifugal sedimentation from separator
Discharge, this two parts ash content are discharged by spiral ash ejector.
The present invention has advantages below compared with prior art：
1st, biomass microwave pyrolytic gasification reaction unit realizes the pyrolysis of biomass, gasification and again in a reactor
The course of reaction such as whole, complicated circuit design between conventional each reactor is eliminated, the thermal losses of device is significantly reduced, with reference to microwave
The low-energy-consumption high-efficiency of heating, there is good prospects for commercial application.
2nd, have that load reactor is relatively low, microwave reflection is stronger using transverse shifting bed more for microwave current pyrolysis installation
The problem of being unfavorable for improving microwave heating effect, microwave reactor is designed using longitudinal Solid Bed, according to biomass gravity
The general principle of whereabouts, the load factor of microwave reactor is significantly increased, not only increase the utilization ratio of microwave heating, and
The requirement of biomass size is relaxed, advantageously reduces the pretreatment power consumption of biomass.
3rd, the problem of being difficult to removing for tar present in biomass gasification process, set using internal gas riser
Meter, is cracked and reforming reaction again to the gas that may carry tar in riser, while riser and cyclonic separation
The combination application of device, it is also beneficial to reduce concentration of solid particles in riser, avoids riser long-term use from pipeline blockage being present
The problem of.
4th, the Y-shaped of gas-lift tube and feed bin connection design is also beneficial to obtain high-quality synthesis gas product.On the one hand
The synthesis gas released from riser can utilize contact with biomass and suction-operated further to remove tar that may be present
And fraction solids particulate matter, another aspect high-temperature synthesis gas are preheated by heat exchange（Dry）Biomass material, reduce synthesis
The heat of gas carries, and is also beneficial to reduce subsequent condensation energy consumption.
5th, gas-lift tube is located inside microwave reactor, can reach higher temperature by material heat transfer, without extra
Energy sources for heating, improve the efficiency of energy utilization of whole system.
6th, biomass microwave pyrolysis gasifying device carries out the pyrolysis of biomass, gas using the coke produced of biomass itself
Change, reforming reaction, reduce the production cost of gasification of biomass, while internal gas riser can further reduce gasification
Tar content, improve the efficiency of carbon con version of biomass, be the inside carbon cycle technology of biomass using providing effective way.
Brief description of the drawings
Fig. 1 biomass microwave pyrolytic gasification reaction unit structural representations.
Wherein, A, feed bin；B, microwave-heating reactor；C, gas-lift tube；D, ash discharge tank；E, cyclone separator；A1, spiral shell
Revolve feeder；A2, gas vent；A3, gas distribution grid；A4, star-like valve；B1, microwave generator；B2, gas feed；B3,
Spiral slag-discharging device；D1, fire grate；D2, spiral ash ejector；E1, whirlwind entrance；E2, the star-like valve of whirlwind.
Embodiment
The present invention program is described in detail for explanation and embodiment below in conjunction with the accompanying drawings, but the present invention is not by following implementations
The limitation of example.
Biomass microwave pyrolytic gasification reaction unit as shown in Figure 1, including feed bin A, microwave-heating reactor B, gas
Riser C, ash discharge tank D, cyclone separator E.Feed bin A is located at device topmost, side connection screw feeder A1, and opposite side connects
Gas vent A2 is met, bottom bevel sets gas distribution grid A3, and gas distribution grid both sides are connected with gas-lift tube C, and bottom leads to
Star-like valve A4 is crossed with microwave-heating reactor B to be connected；Microwave-heating reactor B side is provided with gas feed B2 and spiral deslagging
Device B3, wherein gas feed B2 are located in the middle part of reactor B, and spiral slag-discharging device B3 is arranged on bottom side, microwave-heating reactor
Wall sets a number of microwave quartz window, and for microwave generator heating B1, microwave-heating reactor B bottom leads to ash discharge tank D
Fire grate D1 is crossed to be separated by；Ash discharge tank D embeds a cyclone separator E, and bottom sets spiral ash ejector D2；Cyclone separator E tops have
Entrance E1, bottom connect star-like valve E2；Gas-lift tube C entrance points are connected with cyclone separator E, and the port of export leads to feed bin A
Gas distribution grid A3 is crossed to be separated by.
The course of work of the biomass microwave pyrolytic gasification reaction unit of the present invention is as follows：Biomass material is added by spiral
Glassware A1 is sent into feed bin A, is then turned on star-like valve A4, raw material by falling on microwave-heating reactor B under Action of Gravity Field, when
Microwave-heating reactor opens microwave generator B1 after being full of raw material, is realized by continuously adjusting the power of each microwave generator
Preheating zone, pyrolysis zone, the temperature of gasification zone and reformer section accurately control.Raw material successively by preheating zone, pyrolysis zone, gasification zone and
Reformer section, after being dehydrated and activate in preheating zone, the gas-liquid-solid product of heat scission reaction formation is carried out in pyrolysis zone, in gasification zone
Vapor（It is passed through from gas feed B2）In the presence of gasify, fraction solids（Semicoke）Generation gasification reaction, part tar occur
Cracking reaction, now in product based on gas and a small amount of solid and liquid.Above-mentioned product enters reformer section and steamed in coke/water
Reforming reaction is carried out under the synergy of gas, mainly to the C in gasxHyAnd CO2The conversion reaction of synthesis gas is carried out, is led to simultaneously
Crossing water gas shift reaction and coke tar cracking reaction further reduces solid-liquid content, improves biological efficiency of carbon con version.After reformation
Gas and part of coke and ash content ash discharge tank is sent into by fire grate D1, other parts coke is discharged by spiral slag-discharging device B3 to react
Device.It is laggard that most coke and ash content are fallen in the cyclone separator E removings that D gas is embedded by entrance E1 entrance in ash discharge tank
Enter gas-lift tube C, cracking reaction occurs again in riser for a small amount of tar and coke that gas carries, from gas-lift tube
The gas that C is released enters feed bin A by gas distribution grid A3, and with after fresh bio mass heat transfer in feed bin A and suction-operated
The synthesis gas product of high-quality is obtained, is discharged by gas vent A2.By cyclone separator star-like valve E2 discharges coke and
D coke and ash content are discharged by spiral organ D2 in ash content and ash discharge tank.
The effect of the present invention is further illustrated below by embodiment, percentage composition therein is weight/mass percentage composition.
Embodiment
Biomass material is sent into feed bin A by screw feeder A1, is then turned on star-like valve A4, raw material passes through gravity
Microwave-heating reactor B is fallen under effect, microwave generator B1 is opened after microwave-heating reactor first is full of into raw material, is set pre-
Hot-zone, pyrolysis zone, the temperature of gasification zone and reformer section are respectively 160 DEG C, 550 DEG C, 700 DEG C and 1000 DEG C, corresponding microwave work(
Rate is respectively 1 × 105 W/m3、4×105 W/m3、6×105 W/m3、8×105 W/m3.After reactor, which reaches, sets temperature,
Feed rate 0.5kg/h is adjusted, raw material first is dehydrated and activated in preheating zone processing 5min, is reacted subsequently into pyrolysis zone
5min, semicoke is 15% in the gas-liquid-solid product of formation, and pyrolysis devolatilization is divided into 85%, and it is condensable that volatiles include about 20%
Property component.Then gas-liquid-solid product starts to gasify in gasification zone, while controls vapor（It is passed through from gas feed B2）Flow
0.3m3/ h, lower part solid is acted in vapor（Semicoke）Generation gasification reaction, part tar occur cracking reaction, now produced
Pyrolysis devolatilization is divided into 90% in thing, wherein condensable property component 5%, and semicoke 10%, gasification continue 5min.By above-mentioned product
Reformer section is sent into vapor and carries out reforming reaction, handles 2min, emphasis is to the C in gasxHyAnd CO2Carry out turning for synthesis gas
Change reaction, while solid-liquid content is further reduced by water gas shift reaction and coke tar cracking reaction, improve biological carbon conversion
Rate.Volatiles after reformation is handled account for 95%, wherein condensable property component 0.04%, and semicoke 5%.Reformed gas with
Part of coke, ash content are sent into ash discharge tank by fire grate D1, and part of coke is discharged reactor and repeated by spiral slag-discharging device B3
Use.After gas in ash discharge tank D falls most coke and ash content by entrance E1 into embedded cyclone separator E removings
Into gas-lift tube C, the internal diameter of gas-lift tube is the 1/13 of reactor inside diameter, and a small amount of tar and coke that gas carries exist
Occur cracking reaction in riser again, gas-lift tube from microwave reactor enter feed bin when single tube two-tube, the Y that is changed into Y-shaped
The two-tube angle of type is 80 °, and the two-tube internal diameter of Y types is the 1/21 of reactor inside diameter, passes through gas from the gas of the two-tube releasing of Y types
Distribution grid A3 enters feed bin A, and the synthesis gas with obtaining high-quality after fresh bio mass heat transfer in feed bin A and suction-operated produces
Product, wherein H2/ CO is 1.9, and tar content is 0.0008%（About 8mg/m3）, the conversion efficiency of whole process biological carbon reaches
98%, and discharged by gas vent A2.In coke and ash content and ash discharge tank D by the star-like valve E2 discharges of cyclone separator
Coke and ash content discharged by spiral organ D2.
Claims (9)
1. a kind of biomass microwave pyrolytic gasification reaction unit, including feed bin, microwave-heating reactor and ash discharge tank, its feature exist
In：Also include cyclone separator and gas-lift tube, feed bin side connection screw feeder, opposite side sets gas vent, material
Storehouse lower part outlet is connected by star-like valve with microwave-heating reactor head；Set in the middle part of the wall of microwave-heating reactor side
Gas vent, microwave-heating reactor bottom are separated by with ash discharge tank by fire grate, microwave-heating reactor bottom side connection spiral shell
Revolve slag-discharging device；Cyclone separator is embedded in ash discharge tank, and top is connected with gas-lift tube entrance point, bottom connection Starlike valve
Door；Gas-lift tube is located on the axis of reaction unit, and the gas-lift tube port of export is separated by with feed bin by gas distribution grid.
2. according to the device described in claim 1, it is characterised in that：4 ~ 16 microwave stones are set in microwave-heating wall of reactor
English window, the corresponding microwave generator of each window, the power of single microwave generator are 500 ~ 2000W, in reactor
Power density is 0.1 × 105~10×105W/m3。
3. according to the device described in claim 1, it is characterised in that：Microwave-heating reactor uses longitudinally fixed bed, according to bed
Layer temperature range, is divided into preheating zone, pyrolysis zone, gasification zone and reformer section；Wherein 120 ~ 260 DEG C of the temperature of preheating zone, pyrolysis
260 ~ 600 DEG C of temperature, 600 ~ 800 DEG C of the temperature of gasification zone, 800 ~ 1200 DEG C of the temperature of reformer section in area.
4. according to the device described in claim 1, it is characterised in that：Gas-lift tube runs through feed bin, microwave reactor and whirlwind
Separator, the internal diameter of gas-lift tube are the 1/21 ~ 1/5 of reactor inside diameter, and wherein gas inlet end is located on cyclone separator
Portion, and gas outlet end is arranged on feed bin.
5. according to the device described in claim 1 or 4, it is characterised in that：Gas-lift tube from microwave reactor enter feed bin when
Single tube is changed into that Y-shaped is two-tube, and the two-tube angle of Y types is 15 ~ 165 °.
6. according to the device described in claim 5, it is characterised in that：The two-tube internal diameter of Y types is the 1/31 ~ 1/5 of reactor inside diameter.
7. according to the device described in claim 5, it is characterised in that：The two-tube angle of Y types is 30 ~ 120 °.
8. according to the device described in claim 1, it is characterised in that：Bin bottom inclined-plane sets gas distribution grid, vertically upward
Uniform cloth hole, gas distribution grid both sides are connected with gas-lift tube.
9. according to the device described in claim 1, it is characterised in that：The work of described biomass microwave pyrolytic gasification reaction unit
It is as follows to make process：Biomass material passes through screw feeder（A1）It is sent into feed bin（A）It is interior, it is then turned on star-like valve（A4）, it is former
Material passes through falls on microwave-heating reactor under Action of Gravity Field（B）, microwave is opened after microwave-heating reactor is full of raw material
Device（B1）, preheating zone, pyrolysis zone, gasification zone and the temperature of reformer section are realized by continuously adjusting the power of each microwave generator
Accurate control；Raw material is successively by preheating zone, pyrolysis zone, gasification zone and reformer section, after being dehydrated and activate in preheating zone, in heat
Xie Qu carries out the gas-liquid-solid product of heat scission reaction formation, from gas feed（B2）Vapor is passed through, gas-liquid-solid product is gasifying
Gasification reaction is carried out in the presence of area's vapor, weight is carried out under synergy of the reformer section gasification product in coke/vapor
Whole reaction, the gas after reformation pass through fire grate with part of coke and ash content（D1）It is sent into ash discharge tank（D）, other parts coke
By spiral slag-discharging device（B3）Discharge reactor；Ash discharge tank（D）Interior gas passes through entrance（E1）Into embedded cyclone separator
（E）Removing enters gas-lift tube after falling most coke and ash content（C）, a small amount of tar and coke that gas carries are being lifted
Cracking reaction occurs again in pipe, from gas-lift tube（C）The gas of releasing passes through gas distribution grid（A3）Into feed bin（A）,
And and feed bin（A）The synthesis gas product of high-quality is obtained after interior fresh bio mass heat transfer and suction-operated, passes through gas vent
（A2）Release；By the star-like valve of cyclone separator（E2）The coke and ash content and ash discharge tank of discharge（D）Interior coke and ash content
Pass through spiral organ（D2）Discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410563749.7A CN105586095B (en) | 2014-10-22 | 2014-10-22 | A kind of biomass microwave pyrolytic gasification reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410563749.7A CN105586095B (en) | 2014-10-22 | 2014-10-22 | A kind of biomass microwave pyrolytic gasification reaction unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105586095A CN105586095A (en) | 2016-05-18 |
| CN105586095B true CN105586095B (en) | 2018-03-16 |
Family
ID=55926005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410563749.7A Active CN105586095B (en) | 2014-10-22 | 2014-10-22 | A kind of biomass microwave pyrolytic gasification reaction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105586095B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925282A (en) * | 2016-05-19 | 2016-09-07 | 中南大学 | Biomass thermal conversion device and method based on carbon cycle |
| NO345369B1 (en) * | 2017-03-27 | 2021-01-04 | Scanship As | Microwave pyrolysis reactor I |
| US11053443B2 (en) | 2017-03-27 | 2021-07-06 | Scanship As | Microwave pyrolysis reactor |
| CN107723027A (en) * | 2017-11-06 | 2018-02-23 | 南昌大学 | A microwave-assisted double-bed rapid catalytic co-gasification method of straw and pulverized coal to prepare gas |
| CN108219852A (en) * | 2018-02-11 | 2018-06-29 | 司宸 | The gasification reactor apparatus and its producing gas method of microwave-heating biomass |
| CN109041659A (en) * | 2018-06-27 | 2018-12-21 | 安徽华东光电技术研究所有限公司 | A kind of microwave equipment for seed disinfection before sowing |
| CN109758836B (en) * | 2019-03-12 | 2021-05-04 | 哈尔滨工业大学 | Centrifugal reactor device based on microwave method to improve semi-coke reactivity |
| CN112048342B (en) * | 2019-06-06 | 2021-10-08 | 中国石油化工股份有限公司 | Reactor for treating biomass and biomass treatment method |
| CN112048343B (en) * | 2019-06-06 | 2021-10-08 | 中国石油化工股份有限公司 | Biomass gasification processor and biomass gasification method |
| CN112358893A (en) * | 2020-11-02 | 2021-02-12 | 浙江百能科技有限公司 | Process for coproducing oil gas by coal pyrolysis and gasification |
| CN114432965B (en) * | 2022-02-24 | 2023-03-03 | 北京科技大学 | A continuous hydrothermal carbonization device |
| CN114907869B (en) * | 2022-05-25 | 2023-03-24 | 常州大学 | Wood waste segmented pyrolysis catalytic gasification hydrogen production device |
| CN116987515B (en) * | 2023-08-31 | 2024-11-22 | 苏州伟尚数微科技有限公司 | A high energy microwave reactor with an organic biomass synthesis gas system |
| CN119120068A (en) * | 2024-11-04 | 2024-12-13 | 滨州魏桥国科高等技术研究院 | A system and method for producing hydrogen by chemical chain gasification of chicken manure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434846A (en) * | 2008-12-15 | 2009-05-20 | 黄荣胜 | Method and apparatus for biomass ion catalytic pyrolysis gasification |
| CN102453510A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | Combined processing method of copyrolysis of heavy oil and coal |
| CN102517079A (en) * | 2011-12-02 | 2012-06-27 | 西安交通大学 | Biomass gasifying device with function of catalytically cracking inner circulation tar |
| CN104046372A (en) * | 2013-03-15 | 2014-09-17 | 中国石油化工股份有限公司 | Method for preparing bio-oil and synthesis gas from biomass |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130303637A1 (en) * | 2010-09-08 | 2013-11-14 | Ronald Kyle | Method and apparatus for producing liquid hydrocarbon fuels from coal |
-
2014
- 2014-10-22 CN CN201410563749.7A patent/CN105586095B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101434846A (en) * | 2008-12-15 | 2009-05-20 | 黄荣胜 | Method and apparatus for biomass ion catalytic pyrolysis gasification |
| CN102453510A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | Combined processing method of copyrolysis of heavy oil and coal |
| CN102517079A (en) * | 2011-12-02 | 2012-06-27 | 西安交通大学 | Biomass gasifying device with function of catalytically cracking inner circulation tar |
| CN104046372A (en) * | 2013-03-15 | 2014-09-17 | 中国石油化工股份有限公司 | Method for preparing bio-oil and synthesis gas from biomass |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105586095A (en) | 2016-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105586095B (en) | A kind of biomass microwave pyrolytic gasification reaction unit | |
| CN105524662B (en) | A kind of method of biomass microwave pyrolytic gasification preparing synthetic gas | |
| CN104593090B (en) | Method and device for preparing synthesis gas by biomass pyrolysis and gasification | |
| CN201678647U (en) | A step-by-step biomass gasification device | |
| CN101613615B (en) | Method and system for decoupling and upgrading coal | |
| CN103756731B (en) | A kind of reciprocating cycle double fluidized bed solid fuel gasification device and method | |
| CN101245264A (en) | Single-bed self-heating pyrolysis gasification combustion reactor and pyrolysis gasification combustion method | |
| CN109609190B (en) | Garbage gasification and tar catalytic gasification device | |
| CN102260536B (en) | Internal circulation external heating type gasification device | |
| CN107974301A (en) | A kind of knockdown pyrolysis gasifying device | |
| CN104974772A (en) | Heat pipe heating fluidized bed biomass and coal co-pyrolysis system | |
| CN108531220A (en) | A kind of system and method for biomass microwave pyrolysis high yield gas | |
| JP2019065160A (en) | Biomass gasifier | |
| CN202297482U (en) | Tapered fixed bed continuous biomass pyrolysis device | |
| CN108085063A (en) | A kind of low tar double bed gasification process and device | |
| CN110643382A (en) | A kind of biomass oil and gas co-production device and method based on chemical chain | |
| CN109022038B (en) | Biomass fluidized bed gasification equipment and gasification method thereof | |
| CN1377938A (en) | Four coproduction process and equipment for circular fluiding carbon-hydrogen solid fuel | |
| CN102553880A (en) | plasma gasification refuse disposal method and device | |
| CN204369821U (en) | There is the biomass gasifying furnace that secondary tar filters | |
| CN108219852A (en) | The gasification reactor apparatus and its producing gas method of microwave-heating biomass | |
| CN106336907B (en) | Cyclone pyrolysis high-flux circulating gasification device and process | |
| CN205740917U (en) | A kind of solid waste three combination pyrolytic gasification and coke tar cracking integral system | |
| CN211111863U (en) | A Biomass Oil and Gas Co-production Device Based on Chemical Chain | |
| CN204369820U (en) | Biomass gasifying furnace waste heat comprehensive utilization system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |