CN105175045A - Microalgae culture and wood fiber waste fermentation coupling system - Google Patents
Microalgae culture and wood fiber waste fermentation coupling system Download PDFInfo
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- CN105175045A CN105175045A CN201510569476.1A CN201510569476A CN105175045A CN 105175045 A CN105175045 A CN 105175045A CN 201510569476 A CN201510569476 A CN 201510569476A CN 105175045 A CN105175045 A CN 105175045A
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- biogas
- anaerobic fermentation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention relates to a microalgae culture and wood fiber waste fermentation coupling system and belongs to a biological resource comprehensive utilization technique. The system comprises a microalgae culture unit, a wood fiber waste dry-type anaerobic fermentation unit and an aerobic composting unit, wherein a waste gas delivery pipeline A with a valve C and a biogas residue delivery pipeline with a valve D and a biogas residue conveyor are respectively communicated with the aerobic composting unit and the wood fiber waste dry-type anaerobic fermentation unit, a waste gas delivery pipeline B with a valve A and a biogas slurry delivery pipeline with a valve B and a biogas slurry conveyor are respectively communicated with the wood fiber waste dry-type anaerobic fermentation unit and the microalgae culture unit, a biogas output pipeline with a valve E is installed on the wood fiber waste dry-type anaerobic fermentation unit, and a biogas delivery pipeline, a valve F, a biogas combustion heat exchanger and a carbon dioxide gas and heat delivery pipeline communicate the biogas output pipeline with the waste gas delivery pipeline B. The system has the advantages of good operating effect, low operating cost and no environmental pollution.
Description
Technical field
The invention belongs to Biological resources comprehensive utilization technique, relates generally to both culturing microalgae and is coupled with lignocellulose waste fermentation cycle and utilizes system.
Background technology
In recent years along with people are to the raising of food safety attention rate, the demand of biological organic fertilizer is increased, current biological organic fertilizer is mainly produced by the mode of aerobic compost, that discharges in aerobic compost production process is all directly discharged in air containing a large amount of ammonia, carbonic acid gas, heat and water vapour waste gas, not only cause the waste of resource, and serious pollution is caused to environment.In addition, China is a large agricultural country, annual generation is the lignocellulose waste of representative in a large number with agricultural crop straw, these Litter major parts are all dropped or burn at present, not only cause the huge waste of resource, and severe contamination is caused to environment, these wastes of pin are as the raw material of dry-type anaerobic fermentation, the deficiency of China's energy can also be made up while realizing lignocellulose changing rejected material to useful resource, but because lignocellulose waste is mainly by xylogen, Mierocrystalline cellulose and hemicellulose are formed, particularly xylogen is difficult to degraded, so this kind of waste carry out anaerobically fermenting last as all need to carry out pre-treatment, destroy or remove the xylogen on surface, and then accelerate anaerobic fermentation speed and improve degradation rate, and ammonification pre-treatment is used widely with its feature such as simply efficient in numerous pretreatment modes, but need in existing ammoniated treatment to add separately ammonia composition.And the natural pond slag produced after biogas anaerobic fermentation also needed to carry out aerobic compost before as high-quality biological organic fertilizer, the nutritive elements such as the rich Nitrogen-and Phosphorus-containing of natural pond liquid, directly discharge will to environment.Microalga cultivation process needs the nutrition source such as carbon dioxide and nitrogen phosphorus simultaneously.If only by aerobic compost unit and anaerobically fermenting unit combination, although removal and resource utilization that aerobic compost produces ammonia in waste gas can be realized, but the carbonic acid gas in waste gas can not get effectively process and directly enters air, if only by anaerobically fermenting unit and both culturing microalgae unit combination, then must provide carbonic acid gas by burning biogas, this pattern is only suitable for the biogas utilization pattern of combustion power generation, and as the biogas utilization pattern of vehicle fuel after being unsuitable for purifying.How scientific and reasonablely both culturing microalgae, lignocellulose waste dry-type anaerobic fermentation and aerobic compost are combined into a fermentation coupled system, produce between each unit and support mutually and utilize, overcome and solve each unit and to work independently produced technical problem, significant.
Summary of the invention
The object of the invention is exactly for above-mentioned prior art Problems existing, design provides a kind of both culturing microalgae and lignocellulose waste to ferment coupled system, by the mutual support between each unit and cooperation, realize the mutual supplement with each other's advantages of both culturing microalgae, aerobic compost and lignocellulose waste dry-type anaerobic fermentation, the object reaching resources effective utilization, accelerate lignocellulose waste dry-type anaerobic fermentation speed, improve degradation rate, reduce both culturing microalgae cost, non-environmental-pollution.
The object of the invention is achieved in that both culturing microalgae and the lignocellulose waste coupled system that ferments comprises both culturing microalgae unit, lignocellulose waste dry-type anaerobic fermentation unit and aerobic composting units, the two ends of natural pond slag transfer line and waste gas pipeline road A are mounted on lignocellulose waste dry-type anaerobic fermentation unit and aerobic composting units respectively, lignocellulose waste dry-type anaerobic fermentation unit is communicated with aerobic compost unit, air pump is communicated with aerobic compost unit by admission passage, described natural pond slag transfer line is equipped with valve D and natural pond slag handling machinery successively, valve C is fitted on the A of waste gas pipeline road, the two ends of waste gas pipeline road B and natural pond liquid transfer line are mounted on lignocellulose waste dry-type anaerobic fermentation unit and both culturing microalgae unit respectively, lignocellulose waste dry-type anaerobic fermentation unit is communicated with both culturing microalgae unit, described natural pond liquid transfer line is equipped with valve B and natural pond liquid handling machinery successively, valve A is arranged on the B of waste gas pipeline road, biogas delivery conduit with valve E is arranged on lignocellulose waste dry-type anaerobic fermentation unit, biogas delivery conduit is communicated with biogas combustion interchanger by the biogas transfer line of equipped valve F, biogas combustion interchanger is communicated with waste gas pipeline road B with heat delivery pipeline by carbon dioxide.
The invention is by both culturing microalgae unit, aerobic compost unit and lignocellulose waste dry-type anaerobic fermentation unit are coupled, not only achieve the high-efficiency resource recycling of waste gas after aerobic compost, accelerate lignocellulose waste dry-type anaerobic fermentation speed and improve degradation rate, but also reduce both culturing microalgae cost, realize both culturing microalgae, the mutual supplement with each other's advantages of aerobic compost and lignocellulose waste dry-type anaerobic fermentation, at reduction both culturing microalgae, while aerobic compost and lignocellulose waste dry-type anaerobic fermentation cost, realize the zero release of pollutent, and then accelerate the development of biological organic fertilizer industry and Biomass Energy Industry.The invention novel and reasonable structure, use reliable, operation effectiveness is good, non-environmental-pollution, obvious technical effects.
Accompanying drawing explanation
Fig. 1 is that both culturing microalgae and lignocellulose waste ferment coupled system overall structure schematic diagram.
In figure, piece number illustrates:
1, both culturing microalgae unit, 2, waste gas pipeline road B, 3, biogas combustion interchanger, 4, carbon dioxide and heat delivery pipeline, 5, valve A, 6, lignocellulose waste dry-type anaerobic fermentation unit, 7, valve B, 8, valve C, 9, waste gas pipeline road A, 10, valve D, 11, natural pond slag transfer line, 12, natural pond slag handling machinery, 13, aerobic compost unit, 14, admission passage, 15, air pump, 16, natural pond liquid handling machinery, 17, natural pond liquid transfer line, 18, valve E, 19, biogas delivery conduit, 20, biogas transfer line, 21, valve F.
Embodiment
Below in conjunction with accompanying drawing, the invention embodiment is described in detail.A kind of both culturing microalgae and the lignocellulose waste coupled system that ferments comprises both culturing microalgae unit 1, lignocellulose waste dry-type anaerobic fermentation unit 6 and aerobic composting units 13, the two ends of natural pond slag transfer line 11 and waste gas pipeline road A9 are mounted on lignocellulose waste dry-type anaerobic fermentation unit 6 and aerobic composting units 13 respectively, lignocellulose waste dry-type anaerobic fermentation unit 6 is communicated with aerobic compost unit 13, air pump 15 is communicated with aerobic compost unit 13 by admission passage 14, described natural pond slag transfer line 11 is equipped with valve D10 and natural pond slag handling machinery 12 successively, valve C8 is fitted on the A9 of waste gas pipeline road, the two ends of waste gas pipeline road B2 and natural pond liquid transfer line 17 are mounted on lignocellulose waste dry-type anaerobic fermentation unit 6 and both culturing microalgae unit 1 respectively, lignocellulose waste dry-type anaerobic fermentation unit 6 is communicated with both culturing microalgae unit 1, described natural pond liquid transfer line 17 is equipped with valve B7 and natural pond liquid handling machinery 16 successively, valve A5 is arranged on the B2 of waste gas pipeline road, biogas delivery conduit 19 with valve E18 is arranged on lignocellulose waste dry-type anaerobic fermentation unit 6, biogas delivery conduit 19 is communicated with biogas combustion interchanger 3 by the biogas transfer line 20 of equipped valve F21, biogas combustion interchanger 3 is communicated with waste gas pipeline road B2 with heat delivery pipeline 4 by carbon dioxide.
During operation, what aerobic compost unit 13 produced is rich in ammonia, carbonic acid gas, the waste gas of heat and water vapour passes in lignocellulose waste dry-type anaerobic fermentation unit 6 by waste gas pipeline road A9, ammonia in these waste gas and water vapor adsorption are on lignocellulose waste surface, heat in waste gas makes lignocellulose waste temperature raise, and then realize the ammonification pre-treatment carrying out dry-type anaerobic fermentation lignocellulose waste, accelerate lignocellulose waste dry-type anaerobic fermentation speed and improve lignocellulose waste degradation rate, reduce the ammonia level in waste gas simultaneously, the waste gas containing carbonic acid gas and a small amount of ammonia of discharging from lignocellulose waste dry-type anaerobic fermentation unit 6 afterwards enters in both culturing microalgae unit 1, as the carbonic acid gas of both culturing microalgae and the source of part nitrogen.The residuum natural pond slag produced after pre-treatment and anaerobically fermenting in lignocellulose waste dry-type anaerobic fermentation unit 6 is transported to the raw material as aerobic compost in aerobic compost unit 13, the natural pond liquid of rich Nitrogen-and Phosphorus-containing is then transported to the nutritive medium of both culturing microalgae unit 1 as both culturing microalgae, in addition the biogas produced in lignocellulose waste dry-type anaerobic fermentation unit 6 can supply carbonic acid gas by biogas combustion interchanger 3 to both culturing microalgae unit 1, the heat that burning produces then can heat lignocellulose waste dry-type anaerobic fermentation unit 6 and both culturing microalgae unit 1.
The obvious technical effects of the invention.In scientific experiment, the stalk total solids clearance after ammoniated treatment can reach 1.8 times of untreated fish group, and volatile solid clearance can reach 1.6 times of untreated fish group, and biogas output reaches 1.5 times of untreated fish group.Often produce 1 ton of spirulina and can save carbon resource cost 10,000 yuan, save nitrogenous source and each 3,000 yuan of phosphorus source cost.
Claims (1)
1. a both culturing microalgae and lignocellulose waste ferment coupled system, comprise both culturing microalgae unit (1), lignocellulose waste dry-type anaerobic fermentation unit (6) and aerobic composting units (13), it is characterized in that: the two ends on natural pond slag transfer line (11) and waste gas pipeline road A (9) are mounted on lignocellulose waste dry-type anaerobic fermentation unit (6) and aerobic composting units (13) respectively, lignocellulose waste dry-type anaerobic fermentation unit (6) is communicated with aerobic compost unit (13), air pump (15) is communicated with aerobic compost unit (13) by admission passage (14), described natural pond slag transfer line (11) is equipped with valve D (10) and natural pond slag handling machinery (12) successively, valve C (8) is fitted on waste gas pipeline road A (9), the two ends in waste gas pipeline road B (2) and natural pond liquid transfer line (17) are mounted on lignocellulose waste dry-type anaerobic fermentation unit (6) and both culturing microalgae unit (1) respectively, lignocellulose waste dry-type anaerobic fermentation unit (6) is communicated with both culturing microalgae unit (1), described natural pond liquid transfer line (17) is equipped with valve B (7) and natural pond liquid handling machinery (16) successively, valve A (5) is arranged on waste gas pipeline road B (2), biogas delivery conduit (19) with valve E (18) is arranged on lignocellulose waste dry-type anaerobic fermentation unit (6), biogas delivery conduit (19) is communicated with biogas combustion interchanger (3) by the biogas transfer line (20) of equipped valve F (21), biogas combustion interchanger (3) is communicated with waste gas pipeline road B (2) with heat delivery pipeline (4) by carbon dioxide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510569476.1A CN105175045A (en) | 2015-09-02 | 2015-09-02 | Microalgae culture and wood fiber waste fermentation coupling system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510569476.1A CN105175045A (en) | 2015-09-02 | 2015-09-02 | Microalgae culture and wood fiber waste fermentation coupling system |
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| CN105175045A true CN105175045A (en) | 2015-12-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142197A (en) * | 2017-06-23 | 2017-09-08 | 四川省天惠能源科技有限公司 | A kind of biogas microalgae joint ecological treatment system and its application |
| CN108017417A (en) * | 2017-11-07 | 2018-05-11 | 中钢集团天澄环保科技股份有限公司 | A kind of animal faeces wastes resource utilization system |
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| CN101549932A (en) * | 2009-05-14 | 2009-10-07 | 蔡志武 | Integrated production method of organic sewage/waste residue treatment, microalgae culturing and oil refining |
| CN101637778A (en) * | 2009-08-25 | 2010-02-03 | 云南昆船设计研究院 | Comprehensive processing technology of organic wastes |
| CN101892268A (en) * | 2010-06-22 | 2010-11-24 | 华北电力大学 | System for promoting fermentation of biogas from lignocellulose materials by utilizing microalgae |
| CN103981220A (en) * | 2014-05-26 | 2014-08-13 | 中国农业大学 | Organic waste treatment method in hydrogen alkane fermentation coupling microalgae breeding |
| CN104261925A (en) * | 2014-09-29 | 2015-01-07 | 东北农业大学 | System for coupling aerobic composting and dry type anaerobic straw fermentation |
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2015
- 2015-09-02 CN CN201510569476.1A patent/CN105175045A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549932A (en) * | 2009-05-14 | 2009-10-07 | 蔡志武 | Integrated production method of organic sewage/waste residue treatment, microalgae culturing and oil refining |
| CN101637778A (en) * | 2009-08-25 | 2010-02-03 | 云南昆船设计研究院 | Comprehensive processing technology of organic wastes |
| CN101892268A (en) * | 2010-06-22 | 2010-11-24 | 华北电力大学 | System for promoting fermentation of biogas from lignocellulose materials by utilizing microalgae |
| CN103981220A (en) * | 2014-05-26 | 2014-08-13 | 中国农业大学 | Organic waste treatment method in hydrogen alkane fermentation coupling microalgae breeding |
| CN104261925A (en) * | 2014-09-29 | 2015-01-07 | 东北农业大学 | System for coupling aerobic composting and dry type anaerobic straw fermentation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142197A (en) * | 2017-06-23 | 2017-09-08 | 四川省天惠能源科技有限公司 | A kind of biogas microalgae joint ecological treatment system and its application |
| CN108017417A (en) * | 2017-11-07 | 2018-05-11 | 中钢集团天澄环保科技股份有限公司 | A kind of animal faeces wastes resource utilization system |
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Application publication date: 20151223 |
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