CN109762729A - Bio-natural gas steam explosion fermentation system - Google Patents
Bio-natural gas steam explosion fermentation system Download PDFInfo
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- CN109762729A CN109762729A CN201910118439.7A CN201910118439A CN109762729A CN 109762729 A CN109762729 A CN 109762729A CN 201910118439 A CN201910118439 A CN 201910118439A CN 109762729 A CN109762729 A CN 109762729A
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Abstract
The present invention relates to the bio-natural gas production systems that a kind of pair of solid-state biomass carries out steam explosion fermentation, belong to biotic environment and energy field.The present invention provides a set of new solid-state biomass processing system, mainly includes steam explosion, biological three acidolysis, liquid state fermentation operation stages.The microcosmic anti-degrading texture of hard-to-degrade biomass solid waste is destroyed firstly, the system is handled by ICSE, and can sufficiently be merged with water and quick acidolysis, foreshortens to the solids retention phase 72 hours；Then sour water solution is carried out to biomass in biological acidolysis reactor, is extracted acid hydrolysis liquid by equipment for separating liquid from solid, and solid substrate is discharged；Finally acid hydrolysis liquid accurate measurement is fed and carries out liquid state fermentation in efficient anaerobic fermentation reactor, is converted into bio-natural gas.In addition, the system and device has full-automatic feeding-discharging function, for unmanned, integrated the creating condition of distributed bio-natural gas process units.
Description
Technical field
The present invention relates to the bio-natural gas production systems that a kind of pair of solid-state biomass carries out steam explosion fermentation, belong to biocycle
Border and energy field.
Background technique
Solid-state biomass is a kind of organic substance more difficult to degrade, wherein with all kinds of stalks, garden waste, organic rubbish
Rubbish, bagasse, bacteria residue, algae, sludge etc. are the emphasis research direction that the solid waste difficult to degrade of representative is even more in current environmental area.This
Class solid waste generally suffers from complete anti-degrading texture, and especially fermentation decomposition rate is slower under anaerobic.To substance of this kind,
Often to accelerate degradation speed by preprocessing means.General mode is by simple stack retting after mixing with excrement and highly basic
After pretreatment, it is driven into mixed fermentation tank and carries out anaerobic fermentation.Main problem is that fermentation period is extremely slow, generally up to 90 days
More than；Dross, encrustation phenomena are serious, it is difficult to remove；The plants raw material proportion such as stalk is low simultaneously, and unit pool capacity produces gas energy
Power is poor.Foreign countries realize continuous feeding and discharging mode by screw feeder, and mating big also frequently with high concentration mixed fermentation method
Type blender.But the indexs such as whole fermenting speed, solids retention phase, methane conversion are still undesirable, and unit production capacity was invested
It is high, it is difficult to which that adapted biomass energy industry development requirement needs fundamentally to change existing fermentation and pretreatment mode.
Summary of the invention
The purpose of the invention is to overcome the deficiency of the above-mentioned prior art, a set of new solid-state biomass processing system is provided
System mainly includes steam explosion, biological three acidolysis, liquid state fermentation operation stages.Firstly, only making in the steam explosion pretreating process stage
The microcosmic anti-drop of hard-to-degrade biomass solid waste is realized by instantaneous ejection type steam blasting (ICSE) process with saturated vapor
Solution structure destroys；It is right in biological acidolysis reactor followed by a large amount of organic acids generated in steam explosion thermochemical reaction process
Biomass carry out sour water solution, it is therein it is degradable be partly dissolved in liquid phase, acid hydrolysis liquid is extracted by equipment for separating liquid from solid
Out, and solid substrate is discharged；Acid hydrolysis liquid accurate measurement is finally fed into progress liquid hair in efficient anaerobic fermentation reactor
Ferment is converted into bio-natural gas.Solid-state biomass is set sufficiently to merge simultaneously fast acid with water firstly, the system is handled by ICSE
Solution, avoids the generation of crust Yu dross phenomenon, foreshortens to the solids retention phase 72 hours by 30~60 days.Secondly, the system
Mixed fermentation mode has been abandoned, 5~10kgCOD/ days m of efficient volumetric loading had both been realized by the method for separation of solid and liquid3,
In turn ensure the fully degraded of solid-state biomass.This just overcomes conventional hybrid fermentation and is difficult to take into account gas producing efficiency is so incensed that with production
Rate, charging are difficult to the problems such as being isolated with discharging.It is high that gas methane content is produced simultaneously, not the foreign gases such as sulfide hydrogen, ammonia, for big rule
The bio-natural gas production of mould opens new mode.In addition, the system and device has full-automatic feeding-discharging function, for distribution
The unmanned, integrated of bio-natural gas process units creates condition.
The purpose of the present invention is what is be accomplished by the following way:
The present invention includes: instantaneous ejection type steam explosion host and its input and output material subsidiary engine, acid hydrolytic reaction device, solid-liquid separating machine, feed flow
Basin, anaerobic fermentation reactor, shurry pump, solution feed pump, ducts and valve, intelligent observing and controlling system etc..Wherein, steam explosion discharges
Mouth is docked with the feeding port of one or more acid hydrolytic reaction devices, on the inlet and anaerobic fermentation reactor of acid hydrolytic reaction device
The overflow port in portion docks, and the discharge port of acid hydrolytic reaction device bottom passes through pipeline phase through shurry pump with the feed inlet of solid-liquid separating machine
Even；The liquid phase outlet of solid-liquid separating machine is connected through solution feed pump with the entrance for liquid storage tank；Outlet and anaerobism for liquid storage tank are sent out
The inlet of ferment reactor bottom is connected through solution feed pump by pipeline.Except intelligent observing and controlling system is independently of device, it can carry out remote
Journey observing and controlling.
The course of work of the invention is such that
Under intelligent observing and controlling system control, biomass is first fed into the charging subsidiary engine of steam explosion host, and is sent into steam explosion host in due order
It handles in storehouse.After then passing to the saturated vapor of 0.2~2MPa and 1~10min of pressure maintaining, biomass solid material is in steam explosion master
By moment explosion in machine, and instantaneous temperature reduction is to 40~50 DEG C；Biomass solid material after steam explosion is admitted to acid through discharging subsidiary engine
It is mixed in hydrolysis reactor and with fermentation liquid；After 2~4 days sour water solutions, the mixed slurry in acid hydrolytic reaction device is by expecting
Stock pump is extracted out and is sent to separation of solid and liquid machine inlet.Solid substrate discharge system after being separated by solid-liquid separation, the road Song Zhixia organic fertilizer
Manufacturing procedure, and pure plant efficient organic fertilizer is made after being dehydrated；Liquid phase part is discharged into through solution feed pump for liquid storage tank, and according to work
Skill timing and quantitative load is sent into anaerobic fermentation reactor.When in anaerobic fermentation reactor liquid level be more than top overflow port after overflow back
Acid hydrolytic reaction device forms internal system liquid closed circulation.The bio-natural gas that anaerobic fermentation reactor continuously generates is sent
Processing unit is stored to subsequent gases, to complete the steam explosion fermentation production process of all biological natural gas.
The invention has the advantages that
1, the steam explosion process in the present invention makes solid biomass be changed into hydrophily by hydrophobic state, and microcosmic cell wall structures are thorough
Bottom is broken, so that solid material be allow to merge completely with liquid-phase hydrolysis liquid, avoids phenomena such as layering, dross occurs, realizes
Efficient acid hydrolytic reaction can complete 90% or more percent hydrolysis merely through 2~4 days.
2, system of the invention design can utmostly realize high gravity fermentation, and the volumetric loading of reactor is than tradition
Technique improves 3~5 times.
3, due to avoiding, different feeds batch solid is mixed in single reaction container in traditional handicraft, makes solid plant
The consistency of biomass acid hydrolysis technique is guaranteed, and improves bio-natural gas yield.
4, under the control of intelligent observing and controlling system, the accurate quantification for realizing acid hydrolysis liquid is fed, and ensure that methanation is anti-
The load answered is controllably and continual and steady, meets industrialization balanced production and requires.
5, operational process of the invention realizes the closed circulation utilization of water, has both avoided the biomass solid drop of scale
The a large amount of water consumptions of solution preocess and environmental pollution, and the loss of a large amount of active anaerobic sludges is remained, it is created for biological fermentation process
Stable microbial environment.
6, it is complete to realize production to operation overall process of the invention all on the basis of big data acquires by intelligence system decision
The height of journey is intelligent and automates, and leads to for unmanned, the integrated technology of having got through of distributed bio-natural gas process units
Road.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the system flow schematic diagram of one embodiment of the invention.
Referring to attached drawing, the present invention includes: instantaneous ejection type steam explosion host 1 and its charging subsidiary engine 2 and discharging subsidiary engine 3, sour water
Solve reactor 4, solid-liquid separating machine 5, for liquid storage tank 6, anaerobic fermentation reactor 7, shurry pump 8, solid-liquid separating machine solution feed pump 9, confession
Liquid storage tank solution feed pump 10, ducts and valve 11, intelligent observing and controlling system.
In Fig. 1 embodiment: the outlet of steam explosion discharging subsidiary engine 3 is docked with the feeding port of acid hydrolytic reaction device 4, and sour water solution is anti-
The inlet of device 4 and the overflow port on 7 top of anaerobic fermentation reactor is answered to dock, the discharge port of 4 bottom of acid hydrolytic reaction device and solid
The feed inlet of liquid separator 5 is connected through shurry pump 8 by pipeline；The liquid phase outlet of solid-liquid separating machine 5 is through its solution feed pump 9 and supplies
The entrance of liquid storage tank 6 is connected；Pass through for the inlet of the outlet and 7 bottom of anaerobic fermentation reactor of liquid storage tank 6 through solution feed pump 10
Pipeline is connected.Except intelligent observing and controlling system is independently of device, remote measurement and control can be carried out.
The course of work of the invention is such that in the case where intelligent observing and controlling system controls, biomass is first fed into steam explosion host 1
Charging subsidiary engine 2, and in due order be sent into steam explosion host 1 processing storehouse in.Then pass to the saturated vapor of 0.2~2MPa and pressure maintaining
After 1~10min, biomass solid material is by moment explosion in steam explosion host 1, and instantaneous temperature reduction is to 40~50 DEG C；After steam explosion
The biomass solid material subsidiary engine 3 that discharged be admitted in acid hydrolytic reaction device 4 and mixed with fermentation liquid；By 2~4 days acid
After hydrolysis, the mixed slurry in acid hydrolytic reaction device 4 is extracted out by shurry pump 8 and is sent to 5 feed inlet of solid-liquid separating machine.Through solid-liquid point
Solid substrate discharge system from after, the road Song Zhixia organic fertilizer manufacturing procedure, and pure plant efficient organic fertilizer is made after being dehydrated；
Liquid phase part is discharged into through solution feed pump 9 for liquid storage tank 6, and it is anti-to be sent by solution feed pump 10 according to technical load anaerobic fermentation at regular time and quantity
Answer device 7.When liquid level forms internal system more than acid hydrolytic reaction device 4 is overflowed back after the overflow port of top in anaerobic fermentation reactor 7
Liquid closed circulation.The bio-natural gas that anaerobic fermentation reactor 7 continuously generates is sent to subsequent gases storage processing unit, from
And complete the steam explosion fermentation production process of all biological natural gas.
Specific embodiment
BNG-200 type bio-natural gas consolidation station is the specific implementation of foregoing invention.The type consolidation station is equipped with QB-1000
Type steam explosion host and four 400 cubic metres of main reactors and mating acid hydrolytic reaction device, 15 tons of stalks of each inlet amount, biological day
Right gas produces 6000~6400 cubic metres of tolerance daily, it can be achieved that unattended.Efficient collection is provided for the production of biological Gas Industry
At the operating system model of change.
Claims (2)
1. a kind of pair of solid-state biomass carries out the bio-natural gas production system of steam explosion fermentation, including steam explosion, biological acidolysis, liquid
Ferment three operation stages, mainly by instantaneous ejection type steam explosion (ICSE) host and its input and output material subsidiary engine, acid hydrolytic reaction device, solid
Liquid separator, for liquid storage tank, anaerobic fermentation reactor, shurry pump, solution feed pump, ducts and valve, intelligent observing and controlling system etc.
Composition, wherein steam explosion discharge port is docked with the feeding port of one or more acid hydrolytic reaction devices, the feed liquor of acid hydrolytic reaction device
Mouth is docked with the overflow port on anaerobic fermentation reactor top, the charging of the discharge port and solid-liquid separating machine of acid hydrolytic reaction device bottom
Mouth is connected through shurry pump by pipeline；The liquid phase outlet of solid-liquid separating machine is connected through solution feed pump with the entrance for liquid storage tank；For
The outlet of liquid storage tank is connected through solution feed pump by pipeline with the inlet of anaerobic fermentation reactor bottom, it is characterized in that: system is logical
Crossing instantaneous ejection type steam explosion processing enables solid-state biomass sufficiently merge with water and quick acidolysis, avoids crust and dross generation,
Foreshorten to the solids retention phase 72 hours by 30~60 days.
2. bio-natural gas steam explosion fermentation system according to claim 1, it is characterised in that: will by equipment for separating liquid from solid
Acid hydrolysis liquid extracts, and solid substrate is discharged；Acid hydrolysis liquid accurate measurement is finally fed into efficient anaerobic fermentation reactor
Middle carry out liquid state fermentation, is converted into bio-natural gas.
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| CN201910118439.7A CN109762729A (en) | 2019-02-16 | 2019-02-16 | Bio-natural gas steam explosion fermentation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125148A (en) * | 2019-05-29 | 2019-08-16 | 清正生态科技(苏州)有限公司 | Antibiotic bacterium dregs steam explosion detoxification system |
| CN110330362A (en) * | 2019-07-15 | 2019-10-15 | 清正生态科技(苏州)有限公司 | Cyanobacteria steam explosion recycling system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0557298A (en) * | 1991-08-28 | 1993-03-09 | Meidensha Corp | Method for measuring organic acid in methane fermentation tank and device therefor |
| CN101186874A (en) * | 2007-12-10 | 2008-05-28 | 沈阳航空工业学院 | Full-automatic domestic biological organic garbage anaerobic fermentation tank |
| CN101392270A (en) * | 2008-11-04 | 2009-03-25 | 安徽六安市春成绿色化工有限公司 | Production process of natural gas by using paddy hull |
| CN102002516A (en) * | 2010-11-09 | 2011-04-06 | 河南农业大学 | Novel method for producing ethanol through steam explosion of cereal starchy material |
| CN102174591A (en) * | 2011-02-01 | 2011-09-07 | 中国科学院过程工程研究所 | Method for producing ethanol by continuous solid state fermentation of restaurant-kitchen garbage |
| CN105132467A (en) * | 2014-06-09 | 2015-12-09 | 宋安东 | Steam-exploded wet-stored corn straw two-phase anaerobic fermentation method |
| CN105642188A (en) * | 2014-11-26 | 2016-06-08 | 于政道 | Instantaneous ejection type steam explosion machine |
| CN105780565A (en) * | 2015-12-10 | 2016-07-20 | 辽宁石油化工大学 | Lignocellulose raw material dilute acid steam explosion pretreatment method |
| CN206887102U (en) * | 2017-04-26 | 2018-01-16 | 乐山师范学院 | A kind of efficient methane phase device of lignocellulosic material |
| CN110330362A (en) * | 2019-07-15 | 2019-10-15 | 清正生态科技(苏州)有限公司 | Cyanobacteria steam explosion recycling system |
-
2019
- 2019-02-16 CN CN201910118439.7A patent/CN109762729A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0557298A (en) * | 1991-08-28 | 1993-03-09 | Meidensha Corp | Method for measuring organic acid in methane fermentation tank and device therefor |
| CN101186874A (en) * | 2007-12-10 | 2008-05-28 | 沈阳航空工业学院 | Full-automatic domestic biological organic garbage anaerobic fermentation tank |
| CN101392270A (en) * | 2008-11-04 | 2009-03-25 | 安徽六安市春成绿色化工有限公司 | Production process of natural gas by using paddy hull |
| CN102002516A (en) * | 2010-11-09 | 2011-04-06 | 河南农业大学 | Novel method for producing ethanol through steam explosion of cereal starchy material |
| CN102174591A (en) * | 2011-02-01 | 2011-09-07 | 中国科学院过程工程研究所 | Method for producing ethanol by continuous solid state fermentation of restaurant-kitchen garbage |
| CN105132467A (en) * | 2014-06-09 | 2015-12-09 | 宋安东 | Steam-exploded wet-stored corn straw two-phase anaerobic fermentation method |
| CN105642188A (en) * | 2014-11-26 | 2016-06-08 | 于政道 | Instantaneous ejection type steam explosion machine |
| CN105780565A (en) * | 2015-12-10 | 2016-07-20 | 辽宁石油化工大学 | Lignocellulose raw material dilute acid steam explosion pretreatment method |
| CN206887102U (en) * | 2017-04-26 | 2018-01-16 | 乐山师范学院 | A kind of efficient methane phase device of lignocellulosic material |
| CN110330362A (en) * | 2019-07-15 | 2019-10-15 | 清正生态科技(苏州)有限公司 | Cyanobacteria steam explosion recycling system |
Non-Patent Citations (1)
| Title |
|---|
| 甘福宁主编: "《规模化畜禽养殖场沼气工程》", 30 June 2016, 南宁：广西科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125148A (en) * | 2019-05-29 | 2019-08-16 | 清正生态科技(苏州)有限公司 | Antibiotic bacterium dregs steam explosion detoxification system |
| CN110330362A (en) * | 2019-07-15 | 2019-10-15 | 清正生态科技(苏州)有限公司 | Cyanobacteria steam explosion recycling system |
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Application publication date: 20190517 |