CN205808971U - A kind of test research device of gasification of biomass characteristic - Google Patents
A kind of test research device of gasification of biomass characteristic Download PDFInfo
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- CN205808971U CN205808971U CN201620560063.7U CN201620560063U CN205808971U CN 205808971 U CN205808971 U CN 205808971U CN 201620560063 U CN201620560063 U CN 201620560063U CN 205808971 U CN205808971 U CN 205808971U
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Abstract
This utility model relates to the test research device of a kind of gasification of biomass characteristic, and for studying the influence factor such as gasification temperature, the air equivalent ratio affecting laws to gasification indexs such as gasification gas component, gasification efficiencies, its operating cost is low and gasification efficiency high.The outlet of gas bomb is connected with the entrance of batcher by pipeline；The outlet of batcher is connected with the nitrogen inlet of gasification reactor；The air outlet slit of air compressor is connected with the air intake of surge tank；The air outlet slit of surge tank is connected by pipeline with the air intake of gasification reactor；The outlet of gasification reactor is connected with the charging aperture of gas-solid separator；The gas outlet of gas-solid separator is connected with the entrance of cleaner unit；The entrance of condensing filter is connected with the outlet of cleaner unit；The entrance of vacuum pump is connected with the outlet of condensing filter；The entrance of infrared gas analyser is connected with vacuum delivery side of pump.
Description
Technical field
This utility model relates to the test research device of a kind of gasification of biomass characteristic, is used for studying gasification temperature, air
The influence factors such as the equivalent proportion affecting laws to gasification indexs such as gasification gas component, gasification efficiencies.
Background technology
Developing continuously and healthily along with World Economics and promptly increase with the size of population, the mankind are inevitable not to the demand of the energy
Increase disconnectedly.It was predicted that the fossil energy such as the coal that can develop of present on earth and oil will respectively 200 years, 40
Exhaust within Nian, and natural gas also can only be with about 60 years.Meanwhile, ring is brought due to excessively developing of fossil energy
The problem of environment pollution and global warming also becomes increasingly conspicuous.Therefore, find and to develop novel renewable energy extremely urgent.And
Biomass energy exactly can meet these requirements, because it has continuous recyclability, to the friendly of environment with can suppress
The feature of global warming.
Biomass energy has become the fourth-largest energy being only second to coal, oil and natural gas at present, accounts for whole world total energy consumption
14%.It was predicted that to the year two thousand fifty, biomass energy consumption will account for the 38% of the whole world direct consumption of fuel, and generated energy accounts for the total electricity in the whole world
17%.
Biomass gasification technology, is the important branch developing biomass energy.Due to Fossil fuel exhaustion and
The requirement of ecological balance, attention thermochemical method is converted into high quality fuel, each side biomass the most again
Research and development the rapidest.The research that biomass carry out gasification experiment and gasification accordingly has practical significance.
Gasification is to convert biomass into CO, CO by biomass incomplete oxidation under high temperature (800～900 DEG C)2、
CH4、H2Process Deng gaseous mixture.Use the aerogenesis of the available different calorific values of different gasifying mediums.When air cooks gasifying agent
Time, gaseous product belongs to low-BTU gas, and its low heat valve (LHV) is 4～6MJ/Nm3, may be used for boiler, internal combustion engine and
Gas turbines etc. directly burn.
Patent documentation CN201031216, CN102154031 etc. disclose some biomass gasification devices, generally there is system
System structure is complicated, and high in cost of production shortcoming, these devices are relatively costly owing to building, and are not suitable for colleges and universities in one's power of each Research Center for giving birth to
The experimentation of gasification substance.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency present in prior art, and provides a kind of structure design to close
Reason, the test research device of the gasification of biomass characteristic that operating cost is low and gasification efficiency is high.
The technical scheme in the invention for solving the above technical problem is: the experimentation of a kind of gasification of biomass characteristic
Device, it is characterised in that: include feeding system, gasifying agent induction system, gasification reactor system, sample gas pretreatment and divide
Analysis system；Feeding system includes batcher；Gasifying agent induction system includes gas bomb, air compressor and surge tank；Gasified reverse
Device system is answered to include gasification reactor and gas-solid separator；Sample gas pretreatment and analysis system include cleaner unit, condensed
Filter device, vacuum pump and infrared gas analyser；The outlet of gas bomb is connected with the entrance of batcher by pipeline；Batcher
Outlet is connected with the nitrogen inlet of gasification reactor；The air outlet slit of air compressor is connected with the air intake of surge tank；Slow
The air intake of the air outlet slit and gasification reactor that rush tank is connected by pipeline；The outlet of gasification reactor and gas-solid separator
Charging aperture connect；The gas outlet of gas-solid separator is connected with the entrance of cleaner unit；The entrance of condensing filter and cleaner unit
Outlet connect；The entrance of vacuum pump is connected with the outlet of condensing filter；The entrance of infrared gas analyser and vacuum pump
Outlet connect.
Gasifying agent induction system described in the utility model also includes that an effusion meter, an effusion meter are arranged on surge tank
On the pipeline that air outlet slit is connected with gasification reactor air intake.
Gasifying agent induction system described in the utility model also includes that No. two effusion meters, No. two effusion meters are arranged on gas bomb
On the pipeline that outlet is connected with batcher entrance.
A flow described in the utility model is calculated as standard orifice flow meter.
No. two flows described in the utility model are calculated as standard orifice flow meter.
Batcher described in the utility model is screw(-type) feeder.
This utility model also includes that preheating and temperature control system, preheating and temperature control system include intelligent temperature controller, intelligent temperature control
Instrument is connected with gasification reactor.
This utility model compared with prior art, has the following advantages and effect: this utility model overcomes existing biomass
The defect that gasification installation structure is complicated, operating cost is high, its simple in construction, operating cost are low and gasification efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are right
Explanation of the present utility model and this utility model is not limited to following example.
Seeing Fig. 1, this utility model embodiment includes feeding system, gasifying agent induction system, gasification reactor system, pre-
Heat and temperature control system, sample gas pretreatment and the system of analysis.
Feeding system includes batcher 6.
Gasifying agent induction system includes gas bomb 1, air compressor 2,3, effusion meter 4 of surge tank and No. two effusion meters
13。
Gasification reactor system includes gasification reactor 7 and gas-solid separator 8.
Preheating and temperature control system include intelligent temperature controller 5.
Sample gas pretreatment and analysis system include cleaner unit 9, condensing filter 10, vacuum pump 11 and infrared-gas
Analyser 12.
The outlet of gas bomb 1 is connected by the entrance of pipeline with batcher 6, is provided with No. two effusion meters on this pipeline
13.The outlet of batcher 6 is connected with the nitrogen inlet of gasification reactor 7.Gas bomb 1 is used for storing nitrogen.
Batcher 6 is screw(-type) feeder, and it is made up of hopper, helical axis and buncher etc..Helical axis buncher
Coordinate transducer drive, thus control feed rate.
The hopper of batcher 6 is mounted with agitating device, prevents biomass from putting up a bridge.The rotating speed of batcher and feeding coal keep
Stable.In gasification reactor 7, it is passed through nitrogen, the air in gasification reactor 7 of draining by hopper；It addition, relatively low discharge
Nitrogen can prevent the gas backflow in gasification reactor 7 from entering feeding system as Balance Air.
The air outlet slit of air compressor 2 is connected with the air intake of surge tank 3；The air outlet slit of surge tank 3 and gasification
Air intake bottom reactor 7 is connected by pipeline, and is provided with an effusion meter 4 on this pipeline.Gasification reactor 7
Gasification and fluidizing agent required air are provided by air compressor 2, and in order to ensure the stability of air draught, compressed air is being entered
Enter first buffered tank 3 voltage stabilizing before gasification reactor 7, recycle an effusion meter 4 and measure air mass flow.
The outlet of gasification reactor 7 is connected with the charging aperture of gas-solid separator 8.The gas outlet of gas-solid separator 8 and dedusting
The entrance of device 9 connects.The entrance of condensing filter 10 is connected with the outlet of cleaner unit 9.The entrance of vacuum pump 11 with condensed
The outlet of filter device 10 connects.The entrance of infrared gas analyser 12 is connected with the outlet of vacuum pump 11.Sample gas pretreatment
And analyze main function of system and include dedusting, sulphur removal, tar removing, last gas sampled is sent into infrared gas analyser 12 and is carried out point
Analysis, the component of the real time measure gas.
Intelligent temperature controller 5 is connected with gasification reactor 7.
Gasification reactor 7 is atmospheric bubbling fluid bed, and conversion zone is made up of No. 20 steel, and internal diameter is 75mm；Air distribution plate is to top
The distance in portion is 1550mm；Bottom is 35mm to the distance of air distribution plate.Gasifying medium preheats at conversion zone.At bubbling fluidization
It is respectively arranged with electrical heating elements outside Chuan and has good insulation, being disposed with 4 K-type thermocouples, the primary response of reactor along the height of bed
Section has 3 temperature points T1, T2 and T3, with the temperature being monitored and controlled in reactor.At air-distribution device import and bubbling fluidization
Bed outlet respectively sets a pressure gauge, can judge the fluidized state in gasifier and reaction operating mode according to pressure change.
The component of infrared gas analyser 12 the real time measure gas, this analyser uses NDIR NDIR and TCD heat
Conductive gas sensing principle measures CO, CO2、CH4、H2、O2The concentration of five kinds of gas components, it is 1.5L/min that gas sample analyzes flow, adopts
The sample time is 1 second.
A number effusion meter 4 and No. two effusion meters 13 are standard orifice flow meter, and its measuring accuracy is high.
Vacuum pump 11 uses low capacity water-ring vacuum pump, and its job stability is high.
Embodiment one:
As a example by gasification reactor 7 reaction temperature 760 DEG C, air equivalent ratio are 0.13.
With the pine sawdust of certain wood-working factory as raw material, by raw material sieve through 20 ~ 30 mesh after broken, sift out experiment institute
Biomass material, the quartz sand after screening is put into gasification reactor 7, starts air compressor 2 to gasification reactor 7
Send into air, and the temperature of air preheater and reactor heaters is set to reaction temperature, make air at gasification reactor 7
Bottom heating to 760 DEG C, after temperature of reactor reaches design temperature by the time, starts batcher 6 and starts charging.The most right
After gasification gas is timed sampling by gas-solid separator 8, cleaner unit 9, condensing filter 10, pass through infrared gas analyser
12 couples of gasification of biomass aerogenesis CO, CO2、CH4、H2It is analyzed Deng gas composition.In gasification of biomass aerogenesis, CO content is
10.2%、H2Content is 21.3%, CH4Content is 5%, CO2Content is 15%, and gasification efficiency is 41%.
Embodiment two:
As a example by gasification reactor 7 reaction temperature 810 DEG C, air equivalent ratio are 0.33.
According to the flow process described in example one, when gasification reactor 7 reaction temperature is 810 DEG C, and air equivalent ratio is 0.33,
CO, CO is generated after the reaction of biomass generating gasification2、CH4、H2Deng gas.Generate synthesis gas in CO content be 12.5%, H2Content
Be 6.2%, CH4Content is 2%, CO2Content is 19%, and gasification efficiency is 40.3%.
Embodiment three:
As a example by gasification reactor 7 reaction temperature 860 DEG C, air equivalent ratio are 0.21.
According to the flow process described in example one, when gasification reactor 7 reaction temperature is 860 DEG C, and air equivalent ratio is 0.21,
CO, CO is generated after the reaction of biomass generating gasification2、CH4、H2Deng gas.Generate synthesis gas in CO content be 23.2%, H2Content
Be 12.4%, CH4Content is 10%, CO2Content is 25%, and gasification efficiency is 55.4%.
Furthermore, it is necessary to explanation, the specific embodiment described in this specification, the shape of its parts and components, it is named
Titles etc. can be different, and the above content described in this specification is only to this utility model structure example explanation.
Claims (7)
1. the test research device of a gasification of biomass characteristic, it is characterised in that: include feeding system, gasifying agent delivery system
System, gasification reactor system, sample gas pretreatment and the system of analysis；Feeding system includes batcher；Gasifying agent induction system
Including gas bomb, air compressor and surge tank；Gasification reactor system includes gasification reactor and gas-solid separator；Sampling gas
Body pretreatment and analysis system include cleaner unit, condensing filter, vacuum pump and infrared gas analyser；The outlet of gas bomb
It is connected with the entrance of batcher by pipeline；The outlet of batcher is connected with the nitrogen inlet of gasification reactor；Air compressor
Air outlet slit be connected with the air intake of surge tank；The air outlet slit of surge tank and the air intake of gasification reactor are by pipe
Road connects；The outlet of gasification reactor is connected with the charging aperture of gas-solid separator；The gas outlet of gas-solid separator and cleaner unit
Entrance connects；The entrance of condensing filter is connected with the outlet of cleaner unit；The entrance of vacuum pump goes out with condensing filter
Mouth connects；The entrance of infrared gas analyser is connected with vacuum delivery side of pump.
The test research device of gasification of biomass characteristic the most according to claim 1, it is characterised in that: described gasifying agent
Induction system also includes that an effusion meter, an effusion meter are arranged on surge tank air outlet slit with gasification reactor air intake even
On the pipeline connect.
The test research device of gasification of biomass characteristic the most according to claim 1, it is characterised in that: described gasifying agent
Induction system also includes that No. two effusion meters, No. two effusion meters are arranged on the pipeline that gas bomb outlet is connected with batcher entrance.
The test research device of gasification of biomass characteristic the most according to claim 2, it is characterised in that: a described stream
Amount is calculated as standard orifice flow meter.
The test research device of gasification of biomass characteristic the most according to claim 3, it is characterised in that: No. two described streams
Amount is calculated as standard orifice flow meter.
The test research device of gasification of biomass characteristic the most according to claim 1, it is characterised in that: described batcher
For screw(-type) feeder.
The test research device of gasification of biomass characteristic the most according to claim 1, it is characterised in that: also include preheating and
Temperature control system, preheating and temperature control system include that intelligent temperature controller, intelligent temperature controller are connected with gasification reactor.
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| CN201620560063.7U CN205808971U (en) | 2016-06-12 | 2016-06-12 | A kind of test research device of gasification of biomass characteristic |
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| CN201620560063.7U CN205808971U (en) | 2016-06-12 | 2016-06-12 | A kind of test research device of gasification of biomass characteristic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950246A (en) * | 2017-03-28 | 2017-07-14 | 华南理工大学 | A kind of heat chemistry energy storage reaction experiment device and method of solid-state energy-accumulating medium |
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2016
- 2016-06-12 CN CN201620560063.7U patent/CN205808971U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950246A (en) * | 2017-03-28 | 2017-07-14 | 华南理工大学 | A kind of heat chemistry energy storage reaction experiment device and method of solid-state energy-accumulating medium |
| CN106950246B (en) * | 2017-03-28 | 2023-07-18 | 华南理工大学 | Thermochemical energy storage reaction experimental device and method for solid energy storage medium |
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