CN107238549A - A kind of assay method for the tar in gas content that biomass pyrolytic is produced - Google Patents
A kind of assay method for the tar in gas content that biomass pyrolytic is produced Download PDFInfo
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- CN107238549A CN107238549A CN201710488477.2A CN201710488477A CN107238549A CN 107238549 A CN107238549 A CN 107238549A CN 201710488477 A CN201710488477 A CN 201710488477A CN 107238549 A CN107238549 A CN 107238549A
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- 239000002028 Biomass Substances 0.000 title claims abstract description 101
- 238000003556 assay Methods 0.000 title claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 135
- 238000000197 pyrolysis Methods 0.000 claims abstract description 72
- 239000000203 mixture Substances 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000567 combustion gas Substances 0.000 claims abstract description 17
- 238000002309 gasification Methods 0.000 claims abstract description 4
- 239000010453 quartz Substances 0.000 claims description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 25
- 239000003708 ampul Substances 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000011261 inert gas Substances 0.000 claims description 11
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 238000004587 chromatography analysis Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 230000000994 depressogenic effect Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000007233 catalytic pyrolysis Methods 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims description 2
- 238000004868 gas analysis Methods 0.000 claims description 2
- 230000029553 photosynthesis Effects 0.000 claims description 2
- 238000010672 photosynthesis Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000010902 straw Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000001052 transient effect Effects 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 238000004146 energy storage Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 239000010903 husk Substances 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003012 network analysis Methods 0.000 description 1
- 239000002510 pyrogen Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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- General Physics & Mathematics (AREA)
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A kind of assay method of the tar in gas content produced the present invention relates to biomass pyrolytic.By the biomass m of exact massbiomassIt is pyrolyzed in setting pyrolytical condition, obtains normal temperature, the normal pressure aerogenesis volume of pyrolysis gas of biomass, thus converts the volume V of pyrolysis gas at standard conditions obtained produced by biomass pyrolytic0, analyze the volume composition y determined in pyrolysis gasi, calculate the gaseous mass m for obtaining pyrolysis gas correspondingly produced by biomass pyrolyticgas；And obtain the carbon residue weight m after biomass pyrolyticC；Tar content m is calculated according to below equationtar：
Description
Technical field
The invention belongs to energy technology field, and in particular to a kind of survey for the tar in gas content that biomass pyrolytic is produced
Determine method.
Background technology
Protection and combustion gas further deep processing application of the content of tar for jet dynamic control in biological fuel gas
It is an important technic index, its measurement accuracy has very important significance.
At present, the assay method of tar content mainly uses cold-trap method in biological fuel gas, and this method is to be entrained with
The combustion gas of tar is dissolved the tar in combustion gas in organic solvent by being placed on the Drexel bottle equipped with organic solvent in ice bath, is led to
Cross the forward and backward weight of measurement Drexel bottle gas washing, just may know that the content of tar in correspondence combustion gas number.This method exists following
Problem：When being entrained with the combustion gas of tar by organic solvent Drexel bottle, solvent to steep and be taken away in the form of vapour pressure by combustion gas,
Cause the weight after cold-trap Drexel bottle collection tar also lighter than collecting the weight before tar without gas washing, now, pass through residual quantity
There is negative value in method, thus, it is impossible to measure the content that correspondence gas flow is tar.
The content of the invention
The invention aims to the measure for solving tar content in current biological fuel gas is inaccurate or even can not survey
The problem of amount, the method for developing the tar in gas content that a kind of use gravimetric method indirect determination biomass pyrolytic is produced.
For achieving the above object, present invention employs following technical scheme：
The assay method for the tar in gas content that a kind of biomass pyrolytic is produced, by the biomass m of exact massbiomass
It is pyrolyzed in setting pyrolytical condition, obtains normal temperature, the normal pressure aerogenesis volume of pyrolysis gas of biomass, thus conversion obtains biology
The volume V of pyrolysis gas at standard conditions produced by matter pyrolysis0, analyze the volume composition y determined in pyrolysis gasi, calculating obtains
The gaseous mass m of pyrolysis gas produced by correspondence biomass pyrolyticgas；
And obtain the carbon residue weight m after biomass pyrolyticC,
Tar content m is calculated according to below equationtar：
In formula：mbiomassFor the biomass quality of pyrolysis；mgasFor the gas of the pyrolysis gas produced by correspondence biomass pyrolytic
Quality； mCFor solid carbon residue left after correspondence biomass pyrolytic；V0Produced gas exists during for correspondence biomass pyrolytic
Gas volume under the status of criterion.
By such scheme, the gaseous mass m of the pyrolysis gas produced by the correspondence biomass pyrolyticgasPreparation method：
Pass through the pyrolysis gas aerogenesis volume V of biomass0And the volumn concentration of correspondence gas composition is come calculating
Obtain the mean molecule quantity of pyrolysis gasThen obtain according to the following formula：
And
In formula：mgasFor the gas gross mass produced by correspondence biomass pyrolytic, n is the gas produced by corresponding biomass
The integral molar quantity (mol) of body,For the mean molecule quantity (g/mol) of all gas, yiWith MiComponent i body respectively in gas
The corresponding molal weight (g/mol) of product percentage (vol.%), j represents the species number of gas in gas composition.
V0The gas volume of produced pyrolysis gas at standard conditions during for correspondence biomass pyrolytic.
By such scheme, the volume in the pyrolysis gas constitutes yiBy the way that the pyrolysis gas being collected into is divided using gas-chromatography
Analysis is obtained.
By such scheme, normal temperature, the normal pressure aerogenesis volume of pyrolysis gas of biomass are obtained using drainage.Specially：Carry
For for measuring the device of biomass pyrolytic gas production, including pass sequentially through the reaction tube of tracheae connection, cooling device, reaction tube
A part be located in heater, cooling device outlet is connected with tracheae, and the tracheae of cooling device outlet stretches into the amount of back-off
In inflator, eudiometer is provided with scale and in tank, during measurement, and biomass is located in reaction tube, and tank is built with water, amount
Inflator bottom opening is sealed by the aqueous in tank；
The accurate biomass for weighing constant weight is put into the quartz ampoule of pyrolysis, controls the heating-up temperature of Muffle furnace, and is made
The part reaction tube for being put into thermal decomposition material sample is temporary transient not in heating zone, treats that the heating of Muffle furnace reaches specified pyrolysis temperature
Afterwards, into reaction tube by inert gas, the air in reaction tube is replaced it is clean, by air institute oxygen when preventing biomass pyrolytic
Change, after the air in question response pipe is fully discharged, stops being passed through for inert gas, that section of biomass sample to be pyrolyzed will be placed with
Reaction tube is pushed into the heating zone in Muffle furnace, at the same time, and the gas produced is after ice bath Drexel bottle, then is passed into
Previously drain air and have been filled with water and in the eudiometer tube in the sink of standing upside down, directly cause untill no gas produces, then by eudiometer tube
Interior water level is depressed into be consistent with the tank liquid level outside eudiometer tube, reads the volume number of eudiometer tube, as corresponding pyrolysis
Biomass is pyrolyzed the normal temperature of the pyrolysis gas of generation, normal pressure aerogenesis volume under assigned temperature, and mark is converted into by state equation
Volume number under condition, as corresponds to the volume number V under the status of criterion produced by after biomass pyrolytic0, use gas chromatographic analysis
The volume composition y of gas composition in network analysis eudiometeri。
By such scheme, described pyrolysis is gasified or catalytic pyrolysis gasification for Non-oxygen pyrolytic.
By such scheme, described heater is electric furnace, Muffle furnace and it is other can for heating equipment, heating
Device carries out temperature adjusting by temperature controller.
By such scheme, described reaction tube is quartz ampoule.
By such scheme, the described device for being used to measure biomass pyrolytic gas production also includes passing sequentially through with reaction tube
Inertia gas cylinder, the flowmeter of tracheae connection.
By such scheme, the described device for being used to measure biomass pyrolytic gas production also includes being used to analyze pyrolysis gas group
Into gas analysis system.
By such scheme, reaction system is cooled to room temperature after the completion of the pyrolysis, the carbon residue after biomass pyrolytic is claimed
Weight, obtains solid carbon residue left after correspondence biomass pyrolytic.
By such scheme, described biomass stores institute in plant to convert solar energy into chemical energy using photosynthesis
There is shell of straw and fruit etc..
This method avoids traditional direct measurement tar weight and causes measurement inaccurate or do not measure the problem of coming, but adopts
The weight of gas, solid produced by being pyrolyzed with a certain amount of biomass of measurement under specified requirements, then obtained by difference assay
Tar weight produced by correspondence biomass pyrolysis process, because the gas flow produced by these biomass pyrolytics can pass through row
Water law is accurately collected, and then thus the composition of correspondence gas can obtain biomass by gas-chromatography Accurate Determining
The exact mass of the pyrolysis gas produced is solved, it is final to ensure the degree of accuracy that tar content is determined.
The realization of this method is that the thermal decomposition material of a small amount of precise is put into the quartz tube reactor of pyrolysis, pyrogen
Quality number how much determined by itself gas production, it is just few more than gas production, otherwise just many, then quartz ampoule is put into horse
Not in stove, and make to be put into biomass sample part temporarily not in heating zone, startup Muffle furnace, temperature control instrument controls its temperature,
After Muffle stove heat reaches specified pyrolysis temperature, start to be passed through indifferent gas by the air displacement in quartz ampoule totally, to prevent life
Be oxidized by the air during material pyrolysis, after air is caught up with to the greatest extent, stop inert gas and be passed through, then by be placed with thermal decomposition material sample that
Section quartz ampoule is pushed into the heated constant temperature area in Muffle furnace, at the same time, the gas produced is passed into and had previously drained sky
Gas directly causes no gas to produce more than, by the water level and amount in eudiometer tube full of in water and the eudiometer tube of handstand in the sink
The liquid level of extratracheal tank is consistent, it is ensured that the pressure state of gas is identical with external atmospheric pressure in eudiometer, now
Volume in eudiometer tube is room temperature, the normal pressure gas production that corresponding thermal decomposition material is produced in the case where specifying pyrolysis temperature, due to life
Thermal capacity of the sample of material less plus Muffle furnace is big, so that section of quartz tube reactor for being placed with pyrolysis biomass sample is pushed into
Its temperature is basically unchanged during Muffle stove heat, this ensure that the gas production of thermal decomposition material is the gas production for specifying pyrolysis temperature,
Because biomass is pyrolyzed the gas produced under assigned temperature, the solubility in water almost can be ignored, thus, surveyed
The pyrolysis gas production made is very accurate, consistent with actual industrial process.
After completing above-mentioned task, the quartz tube reactor in Muffle furnace is cooled to room temperature, and by the life in reactor
Carbon residue after material pyrolysis is weighed, then by the gas being collected into drainage, by gas chromatographic analysis, it is constituted, and so just may be used
Tar content in the combustion gas that biomass solution is produced is determined by the method calculated indirectly.
Beneficial effects of the present invention：
The measure of tar content in combustion gas is for the catalyst in protection follow-up equipment (such as generating set), technical process
The determination of amount and using significant, uses this method can be to be produced in Accurate Determining biomass pyrolytic or gasification
Tar content in combustion gas, so as to development and utilization for biological energy source and improve its added value and open wide prospect.
Brief description of the drawings
Fig. 1 is the assay method use device schematic diagram of tar content in biological fuel gas of the present invention, in figure：1 indifferent gas
Bottle, 2 spinner flowmeters, 3 quartz ampoules, 4 Muffle furnaces, 5 thermal decomposition materials, 6 heater temperature control instruments, 7 ice bath Drexel bottles, 8 water
Groove, 9 eudiometers, 10 chromatographic analysis systems.
Embodiment：
The course of work of the present invention is described below in conjunction with drawings and examples.
Embodiment 1
Accurately weigh 2.0293 husks to be put into the quartz ampoule 3 of pyrolysis, then quartz ampoule 3 is put into Muffle furnace 4, and makes
The part of thermal decomposition material sample 5 is put into temporarily not in heating zone, passes through the heating temperature of the control Muffle furnace of heater temperature control instrument 6
Degree, after the heating of Muffle furnace reaches specified pyrolysis temperature, into quartz ampoule 3 by the inert gas in inertia gas cylinder 1, and leads to
Cross spinner flowmeter 2 and control appropriate flow, it is clean to be replaced the air in quartz ampoule 3 with indifferent gas nitrogen, prevent life
It is oxidized by the air during material pyrolysis, after the air in quartz ampoule 3 is caught up with to the greatest extent, stops being passed through for inert gas, then will put again
That section of quartz ampoule for needing to be pyrolyzed biomass sample is pushed into the heating zone in Muffle furnace 4, at the same time, the gas warp produced
Cross after ice bath Drexel bottle 7, then be passed into previous air of draining and have been filled with the eudiometer 9 of water and handstand in tank 8, it is straight to cause not having
There is gas to produce more than, now, Muffle furnace stop heating and it is cold be allowed to cool to room temperature, and accurately weigh in quartz tube reactor
Carbon residue weight after biomass pyrolytic；The water level in eudiometer is depressed into again and is consistent with the liquid level of tank 8 outside eudiometer,
The volume number in eudiometer 9 is read, as corresponding pyrolysis biomass 5 is pyrolyzed the normal temperature produced, normal pressure under assigned temperature
Aerogenesis volume, by state equation be converted into mark condition under volume number, as correspond to biomass pyrolytic after produced by mark
Volume number V under quasi- situation0, the volume composition y of gas composition in eudiometer is analyzed with chromatographic analysis systems 10i, it has been pyrolyzed
The quartz tube reactor in Muffle furnace is cooled to room temperature after, the carbon residue after the biomass pyrolytic in reactor is weighed.
Table one is given in gas production of the husk at 600 DEG C during Non-oxygen pyrolytic, the carbon left after pyrolysis and eudiometer
Gas volume and its chromatogram proximate analysis it is as shown in table 1 below,
Data in table can be calculated under the conditions of 600 DEG C indirectly, and tar contains in the combustion gas that husk pyrolysis is produced
Measure as 1393g/Nm3。
The measure of tar content in the combustion gas that Non-oxygen pyrolytic is produced at 600 DEG C of the husk of table one
Embodiment 2
Accurately weigh 2.0247 husks to be put into the quartz ampoule 3 of pyrolysis, then quartz ampoule 3 is put into Muffle furnace 4, and makes
The part of thermal decomposition material sample 5 is put into temporarily not in heating zone, passes through the heating temperature of the control Muffle furnace of heater temperature control instrument 6
Degree, after the heating of Muffle furnace reaches specified pyrolysis temperature, into quartz ampoule 3 by the inert gas in inertia gas cylinder 1, and leads to
Cross spinner flowmeter 2 and control appropriate flow, it is clean to be replaced the air in quartz ampoule 3 with indifferent gas nitrogen, prevent life
It is oxidized by the air during material pyrolysis, after the air in quartz ampoule 3 is caught up with to the greatest extent, stops being passed through for inert gas, then will put again
That section of quartz ampoule for needing to be pyrolyzed biomass sample is pushed into the heating zone in Muffle furnace 4, at the same time, the gas warp produced
Cross after ice bath Drexel bottle 7, then be passed into previous air of draining and have been filled with the eudiometer tube 9 of water and handstand in tank 8, it is straight to cause not having
There is gas to produce more than, now, Muffle furnace stop heating and it is cold be allowed to cool to room temperature, and accurately weigh in quartz tube reactor
Carbon residue weight after biomass pyrolytic；The water level in eudiometer is depressed into again and is consistent with the liquid level of tank 8 outside eudiometer,
The volume number in eudiometer 9 is read, as corresponding pyrolysis biomass 5 is pyrolyzed the normal temperature produced, normal pressure under assigned temperature
Aerogenesis volume, by state equation be converted into mark condition under volume number, as correspond to biomass pyrolytic after produced by mark
Volume number V under quasi- situation0, the volume composition y of gas composition in eudiometer is analyzed with chromatographic analysis systems 10i, table one gives
The carbon left and the volume of the gas in eudiometer that have gone out after gas production of the husk at 700 DEG C during Non-oxygen pyrolytic, pyrolysis and
The proximate analysis of its chromatogram is as shown in table 2 below, and the data in table can be calculated under the conditions of 700 DEG C indirectly, husk heat
It is 1103g/Nm to solve tar content in the combustion gas produced3。
The measure of tar content in the combustion gas that Non-oxygen pyrolytic is produced at 700 DEG C of the husk of table 2
Embodiment 3
Accurately weigh 2.0347 husks to be put into the quartz ampoule 3 of pyrolysis, then quartz ampoule 3 is put into Muffle furnace 4, and makes
The part of thermal decomposition material sample 5 is put into temporarily not in heating zone, passes through the heating temperature of the control Muffle furnace of heater temperature control instrument 6
Degree, after the heating of Muffle furnace reaches specified pyrolysis temperature, into quartz ampoule 3 by the inert gas in inertia gas cylinder 1, and leads to
Excessively stream rotameter 2 controls appropriate flow, clean to be replaced the air in quartz ampoule 3 with indifferent gas nitrogen, prevents life
It is oxidized by the air during material pyrolysis, after the air in quartz tube reactor 3 is caught up with to the greatest extent, stops being passed through for inert gas, then
That section of quartz ampoule for being placed with biomass sample to be pyrolyzed is pushed into the heating zone in Muffle furnace again, at the same time, produced
Gas is after ice bath Drexel bottle 7, then is passed into and previously drains air and have been filled with water and the eudiometer tube 9 in tank 8 of standing upside down
In, directly cause no gas to produce more than, now, Muffle furnace stop heating and it is cold be allowed to cool to room temperature, and accurately weigh quartz
Carbon residue weight in pipe reactor after biomass pyrolytic；The water level in eudiometer is depressed into and the liquid of tank 8 outside eudiometer tube again
Face is consistent, and reads the volume number in eudiometer 9, and as corresponding pyrolysis biomass 5 is pyrolyzed under assigned temperature to be produced
Normal temperature, the aerogenesis volume of normal pressure, by state equation be converted into mark condition under volume number, as correspond to biomass pyrolytic after
Volume number V under the produced status of criterion0, the volume group of gas composition in eudiometer is analyzed with chromatographic analysis systems 10
Into yi, table one given in carbon left and eudiometer after gas production of the husk at 800 DEG C during Non-oxygen pyrolytic, pyrolysis
The proximate analysis of the volume and its chromatogram of gas is as shown in table 1 below, and the data in table can be calculated in 800 DEG C of bars indirectly
Under part, tar content is 857g/Nm in the combustion gas that husk pyrolysis is produced3。
The measure of tar content in the combustion gas that Non-oxygen pyrolytic is produced at 800 DEG C of the husk of table 3
Claims (10)
1. a kind of assay method for the tar in gas content that biomass pyrolytic is produced, it is characterised in that：By the life of exact mass
Material mbiomassIt is pyrolyzed in setting pyrolytical condition, obtains normal temperature, the normal pressure aerogenesis volume of pyrolysis gas of biomass, thus turn
Change and obtain the volume V of pyrolysis gas at standard conditions produced by biomass pyrolytic0, analyze the volume composition determined in pyrolysis gas
yi, calculate the gaseous mass m for obtaining pyrolysis gas correspondingly produced by biomass pyrolyticgas；
And obtain the carbon residue weight m after biomass pyrolyticC；
Tar content m is calculated according to below equationtar：
In formula：mbiomassFor the biomass quality of pyrolysis；mgasFor the gaseous mass of the pyrolysis gas produced by correspondence biomass pyrolytic；
mCFor solid carbon residue left after correspondence biomass pyrolytic；V0Produced gas is in standard shape during for correspondence biomass pyrolytic
Gas volume under condition.
2. the assay method for the tar in gas content that biomass pyrolytic according to claim 1 is produced, it is characterised in that：
The gaseous mass m of pyrolysis gas produced by the correspondence biomass pyrolyticgasPreparation method：
Pass through the pyrolysis gas aerogenesis volume V of biomass0And the volumn concentration of correspondence gas composition obtains heat come calculating
The mean molecule quantity vented one's spleenThen obtain according to the following formula, wherein：
And
In formula：mgasFor the gas gross mass produced by correspondence biomass pyrolytic, n is the gas produced by corresponding biomass
Integral molar quantity (mol),For the mean molecule quantity (g/mol) of all gas, yiWith MiComponent i volume hundred respectively in gas
The corresponding molal weight (g/mol) of fraction (vol.%), j represents the species number of gas in gas composition；
V0The gas volume of produced pyrolysis gas at standard conditions during for correspondence biomass pyrolytic.
3. the assay method for the tar in gas content that biomass pyrolytic according to claim 1 is produced, it is characterised in that：
Volume composition y in the pyrolysis gasiBy the way that the pyrolysis gas being collected into is obtained using gas chromatographic analysis.
4. the assay method for the tar in gas content that biomass pyrolytic according to claim 1 is produced, it is characterised in that：
Normal temperature, the normal pressure aerogenesis volume of pyrolysis gas of biomass are obtained using drainage.
5. the assay method for the tar in gas content that biomass pyrolytic according to claim 4 is produced, it is characterised in that：
Normal temperature, the normal pressure aerogenesis volume that described drainage determines pyrolysis gas of biomass be：
There is provided for measuring the device of biomass pyrolytic gas production, including pass sequentially through the reaction tube of tracheae connection, cooling device,
A part for reaction tube is located in heater, and cooling device outlet is connected with tracheae, and the tracheae of cooling device outlet is stretched into down
In the eudiometer of button, eudiometer is provided with scale and in tank, during measurement, and biomass is located in reaction tube, and tank is built-in
There are water, eudiometer bottom opening to be sealed by the aqueous in tank；
The accurate biomass for weighing constant weight is put into the quartz ampoule of pyrolysis, controls the heating-up temperature of Muffle furnace, and makes to be put into
The part reaction tube of thermal decomposition material sample is temporary transient not in heating zone, after the heating of Muffle furnace reaches specified pyrolysis temperature, to
By inert gas in reaction tube, the air in reaction tube is replaced totally, prevents from being oxidized by the air during biomass pyrolytic, treats
After air in reaction tube is fully discharged, stop being passed through for inert gas, that section of reaction of biomass sample to be pyrolyzed will be placed with
Pipe is pushed into the heating zone in Muffle furnace, at the same time, and the gas produced is after ice bath Drexel bottle, then is passed into previously
Drain in the eudiometer tube that air has been filled with water and stood upside down in the sink, untill directly causing no gas generation, then by eudiometer tube
Water level is depressed into be consistent with the tank liquid level outside eudiometer tube, reads the volume number of eudiometer tube, and as corresponding pyrolysis is biological
Matter is pyrolyzed the normal temperature of the pyrolysis gas of generation, normal pressure aerogenesis volume under assigned temperature, is converted into by state equation under mark condition
Volume number, as correspond to biomass pyrolytic after produced by the status of criterion under volume number V0, use chromatographic analysis systems
Analyze the volume composition y of gas composition in eudiometeri。
6. the assay method for the tar in gas content that biomass pyrolytic according to claim 5 is produced, it is characterised in that：
Described heater be electric furnace, Muffle furnace and it is other can for heating equipment, heater carried out by temperature controller
Temperature adjusting；
Described reaction tube is quartz ampoule；
The described device for being used to measure biomass pyrolytic gas production also includes passing sequentially through the inertia that tracheae is connected with reaction tube
Gas cylinder, flowmeter.
7. the assay method of tar content in the combustion gas that biomass pyrolytic according to claim 5 is produced, it is characterised in that：
The described device for being used to measure biomass pyrolytic gas production also includes the gas analysis system for being used to analyze pyrolysis gas composition.
8. the assay method for the tar in gas content that biomass pyrolytic according to claim 1 is produced, it is characterised in that：
Reaction system is cooled to room temperature after the completion of the pyrolysis, the carbon residue after biomass pyrolytic is weighed, correspondence biomass thermal is obtained
Left solid carbon residue after solution.
9. the assay method for the tar in gas content that biomass pyrolytic according to claim 1 is produced, it is characterised in that：
Described biomass is to convert solar energy into all plant straws and fruit in chemical energy storage plant using photosynthesis
Shell.
10. the assay method for the tar in gas content that biomass pyrolytic according to claim 1 is produced, its feature exists
In：Described pyrolysis is that Non-oxygen pyrolytic gasifies or catalytic pyrolysis gasification.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303395A (en) * | 2018-02-01 | 2018-07-20 | 农业部规划设计研究院 | The method for fast measuring of tar content during a kind of biomass continuous pyrolysis |
| CN109668690A (en) * | 2019-01-23 | 2019-04-23 | 北京日端电子有限公司 | A kind of harness connector plug device for detecting sealability |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967565A (en) * | 2012-11-08 | 2013-03-13 | 云南昆钢煤焦化有限公司 | Method for measuring tar content in gas |
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| CN108303395A (en) * | 2018-02-01 | 2018-07-20 | 农业部规划设计研究院 | The method for fast measuring of tar content during a kind of biomass continuous pyrolysis |
| CN109668690A (en) * | 2019-01-23 | 2019-04-23 | 北京日端电子有限公司 | A kind of harness connector plug device for detecting sealability |
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