CN104150610A - Method for treating biogas tail liquid by using Bacillus mucilaginosus - Google Patents
Method for treating biogas tail liquid by using Bacillus mucilaginosus Download PDFInfo
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- CN104150610A CN104150610A CN201410404804.8A CN201410404804A CN104150610A CN 104150610 A CN104150610 A CN 104150610A CN 201410404804 A CN201410404804 A CN 201410404804A CN 104150610 A CN104150610 A CN 104150610A
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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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Abstract
The invention discloses a method for treating biogas tail liquid by using Bacillus mucilaginosus. A processing system involved in the method includes: interconnected primary fermentation tanks, wherein the last primary fermentation tank is connected with a primary comprehensive treatment tank; and interconnected secondary fermentation tanks, wherein the last secondary fermentation tank is connected with a second comprehensive treatment tank. The overflow liquid of the secondary comprehensive treatment tank is introduced into a fish pond, and is finally discharged into a biogas generation culturing farm; and a primary inoculation bacterium liquid accounting for 0.1-0.2% of the total amount of the biogas tail liquid in the primary fermentation tanks is added to the first primary fermentation tank, and a secondary inoculation liquid accounting for 0.05-0.08% of the total amount of the biogas tail liquid in the secondary fermentation tanks is added to the first secondary fermentation tank. Each of the primary inoculation liquid and the secondary inoculation liquid includes 0.01-0.02% of nuciferine, 0.02-0.03% of Phellodendron berberine and 0.003-0.005% of dandelion alkaloid. The biogas tail liquid treatment method has the advantages of simple operation and less investment, and the finally discharged biogas tail liquid reaches GB18596-2001 standards, is clear and can be recycled.
Description
Technical field
The present invention relates to a kind of biogas tail washings purifying treatment method, especially refer to the treatment process of the biogas tail washings of pig farm methane-generating pit discharge.
Background technology
Existing pig farm methane-generating pit is because methanobacteria glycolysis is incomplete, and biogas tail liquid emissions is scarcely up to standard, in various degree surrounding enviroment is impacted.
Summary of the invention
The problem existing in order to solve prior art, the object of the invention is to provide a kind of method of utilizing jelly genus bacillus to process biogas tail washings.The method is simple to operate, less investment, and biogas tail liquid emissions reaches GB18596-2001 standard, and water quality is limpid after treatment, recoverable.
For achieving the above object, technical solution of the present invention is:
Utilize jelly genus bacillus to process a method for biogas tail washings, the biogas that plant produces enters a methane-generating pit; The treatment system that the method relates to includes: one or more one grade fermemtations pond, and one grade fermemtation pond is interconnected; The biogas tail washings of methane-generating pit is sequentially in one grade fermemtation pond, and an one grade fermemtation pond, end is communicated with an one-level comprehensive treatment tank; One or more second order fermentations pond, second order fermentation pond is interconnected; The overflowing liquid of one-level comprehensive treatment tank passes in first second order fermentation pond, and a second order fermentation pond, end is communicated with a secondary comprehensive treatment tank; One fish pond, the overflowing liquid of secondary comprehensive treatment tank passes in fish pond, and the overflowing liquid in this fish pond enters the plant that produces biogas; Wherein, in first one grade fermemtation pond, add one-level inoculation bacterium liquid, in first second order fermentation pond, add two-stage inoculation bacterium liquid; In one grade fermemtation pond and second order fermentation pond all by the liquid in ventilation of air compressor agitated pool; One-level comprehensive treatment tank and secondary comprehensive treatment tank all extract the throw out in pond by slush pump.
A kind of foregoing method of utilizing jelly genus bacillus to process biogas tail washings, described one-level inoculation bacterium liquid is compound bio alkali bacterium powder, and this compound bio alkali bacterium powder be in one grade fermemtation pond biogas tail washings total amount 1 ‰-2 ‰, after being dissolved in water, add in first one grade fermemtation pond; Described two-stage inoculation bacterium liquid is compound bio alkali bacterium powder, and this compound bio alkali bacterium powder be in second order fermentation pond biogas tail washings total amount 0.5 ‰-0.8 ‰, after being dissolved in water, add in first second order fermentation pond; Described compound bio alkali bacterium powder comprises Nuciferine 0.01%-0.02%, the little alkali 0.02%-0.03% of golden cypress and taraxacum alkaloid 0.003%-0.005%.
A kind of foregoing method of utilizing jelly genus bacillus to process biogas tail washings, bio-bacterial manure is made in the throw out colliery powder absorption in one-level comprehensive treatment tank and the secondary comprehensive treatment tank extracting by slush pump.
A kind of foregoing method of utilizing jelly genus bacillus to process biogas tail washings, described one grade fermemtation pond and Wei Yuan pond, second order fermentation pond, and the diameter in circle pond: be highly 1:3-4.
A kind of foregoing method of utilizing jelly genus bacillus to process biogas tail washings, the total volume in described one grade fermemtation pond is plant's above biogas tail liquid emissions amount on the 3rd; The total volume of described one-level comprehensive treatment tank is plant's biogas tail liquid emissions amount of 2 days; The total volume in described second order fermentation pond is plant's biogas tail liquid emissions amount of 2 days; The total volume of described secondary comprehensive treatment tank is plant's biogas tail liquid emissions amount of 1 day; Described fish pond total volume is plant's above biogas tail liquid emissions amount on the 5th.
The usefulness that technique scheme produces is:
The present invention is not changing on the basis of existing pig house and method for breeding, after original methane-generating pit, increases twice treating pond by technical requirements, simple to operate, less investment.The present invention utilizes the nutrition agent of the potential nutrition of the incomplete biogas tail washings of fermentation as jelly fermentation of bacillus, and utilizes the fermentation auxiliary of compound bio alkali as jelly genus bacillus.Biogas tail washings is after fermentative processing, and water quality is limpid after treatment, recoverable.The flocculent precipitate producing, regularly extract with colliery powder absorption production high-quality agricultural biological bacterial manure through the slush pump of the present invention's design, solve the problems such as the methane-generating pit Pollution abatement of existing pig farm is incomplete, and tail discharge is not up to standard, water energy recycle after the present invention processes, water saving; Adsorption precipitation thing is produced agricultural microorganism bacterial manure, turns waste into wealth, and improves fanning economics.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of biogas tail washings of the present invention processing;
Fig. 2 is the structural representation of marsh gas treating system of the present invention.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, clear, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of method of utilizing jelly genus bacillus to process biogas tail washings as shown in Figure 1, the biogas that plant produces enters a methane-generating pit, sequentially after one grade fermemtation processing, second order fermentation are processed, biogas tail washings is divided into two-layer, supernatant liquor is recycled through fish pond, and throw out is made agricultural biological bacterial manure with colliery powder absorption.
Shown in Fig. 2, the treatment system that the above-mentioned method of utilizing jelly genus bacillus to process biogas tail washings relates to comprises methane-generating pit, one grade fermemtation pond, one-level comprehensive treatment tank, second order fermentation pond, secondary comprehensive treatment tank and the fish pond of the plant that sequentially circulation is communicated with.The plant of the present embodiment take pig farm as example.
One grade fermemtation of the present invention pond can be made as one or more, and the present embodiment provides three one grade fermemtation ponds that capacity is identical, and three one grade fermemtation ponds are interconnected, and improve one by one connection position.
Three one grade fermemtation ponds are all by the liquid in ventilation of air compressor agitated pool, and certainly, preferably at the biogas tail washings in three one grade fermemtation ponds all behind more than half ponds, air compressor machine is restarted aeration-agitation, continues to import afterwards biogas tail washings again.
The present invention also adds one-level inoculation bacterium liquid in the biogas tail washings place of passing in first one grade fermemtation pond.Described one-level inoculation bacterium liquid is compound bio alkali bacterium powder, this compound bio alkali bacterium powder comprises Nuciferine 0.01%-0.02%, the little alkali 0.02%-0.04% of golden cypress and taraxacum alkaloid 0.003%-0.005%, and this compound bio alkali bacterium powder be in one grade fermemtation pond biogas tail washings total amount 1 ‰-2 ‰, after being dissolved in water, add in first one grade fermemtation pond.The invention provides three kinds of embodiment: in embodiment mono-, this compound bio alkali bacterium powder comprises Nuciferine 0.01%, the little alkali 0.02% of golden cypress and taraxacum alkaloid 0.003%, and this compound bio alkali bacterium powder be in one grade fermemtation pond biogas tail washings total amount 1 ‰, after being dissolved in water, add in first one grade fermemtation pond; In embodiment bis-, this compound bio alkali bacterium powder comprises Nuciferine 0.015%, the little alkali 0.03% of golden cypress and taraxacum alkaloid 0.004%, and this compound bio alkali bacterium powder be in one grade fermemtation pond biogas tail washings total amount 1.5 ‰, after being dissolved in water, add in first one grade fermemtation pond; In embodiment tri-, this compound bio alkali bacterium powder comprises Nuciferine 0.02%, the little alkali 0.04% of golden cypress and taraxacum alkaloid 0.005%, and this compound bio alkali bacterium powder be in one grade fermemtation pond biogas tail washings total amount 2 ‰, after being dissolved in water, add in first one grade fermemtation pond.
The biogas tail washings of methane-generating pit, is first from the bottom in first one grade fermemtation pond passes into, and biogas tail washings more sequentially overflow, to middle one grade fermemtation pond, finally overflows in an one grade fermemtation pond, end.An one grade fermemtation pond, end is communicated with an one-level comprehensive treatment tank.Biogas tail washings is after fermentative processing, in one-level comprehensive treatment tank, under the effect of compound bio alkali, jelly genus bacillus increased activity, form flocculent precipitate with nutrition in tail washings compared with the muddy outstanding thing of horn of plenty, biogas tail washings is divided into two-layer, supernatant liquor overflows to first second order fermentation pond, throw out in pond extracts by slush pump, and adsorbs and make bio-bacterial manure with colliery powder.
Second order fermentation of the present invention pond can be made as one or more, and second order fermentation pond is interconnected, and the overflowing liquid of one-level comprehensive treatment tank passes in first second order fermentation pond, and a second order fermentation pond, end is communicated with a secondary comprehensive treatment tank.The second order fermentation pond of the present embodiment is one, and a therefore second order fermentation pond, above-mentioned first end and same second order fermentation pond, first second order fermentation pond, hereinafter to be referred as second order fermentation pond.Second order fermentation pond is by the liquid in ventilation of air compressor agitated pool.
The present invention adds two-stage inoculation bacterium liquid in first second order fermentation pond, described two-stage inoculation bacterium liquid is compound bio alkali bacterium powder, this compound bio alkali bacterium powder comprises Nuciferine 0.01%-0.02%, the little alkali 0.02%-0.04% of golden cypress and taraxacum alkaloid 0.003%-0.005%, and this compound bio alkali bacterium powder be in second order fermentation pond biogas tail washings total amount 0.5 ‰-0.8 ‰, after being dissolved in water, add in first second order fermentation pond.The invention provides three kinds of embodiment: in embodiment mono-, this compound bio alkali bacterium powder comprises Nuciferine 0.01%, the little alkali 0.02% of golden cypress and taraxacum alkaloid 0.003%, and this compound bio alkali bacterium powder be in second order fermentation pond biogas tail washings total amount 0.5 ‰, after being dissolved in water, add in first second order fermentation pond; In embodiment bis-, this compound bio alkali bacterium powder comprises Nuciferine 0.015%, the little alkali 0.03% of golden cypress and taraxacum alkaloid 0.004%, and this compound bio alkali bacterium powder be in second order fermentation pond biogas tail washings total amount 0.65 ‰, after being dissolved in water, add in first second order fermentation pond; In embodiment tri-, this compound bio alkali bacterium powder comprises Nuciferine 0.02%, the little alkali 0.04% of golden cypress and taraxacum alkaloid 0.005%, and this compound bio alkali bacterium powder be in second order fermentation pond biogas tail washings total amount 0.8 ‰, after being dissolved in water, add in first second order fermentation pond.
Biogas tail washings through one grade fermemtation processing passes through second order fermentation pond from the overflow port of one-level comprehensive treatment tank, biogas tail washings is after fermentative processing again, in secondary comprehensive treatment tank, compound bio alkali bacterium powder forms flocculent precipitate, biogas tail washings is divided into two-layer, supernatant liquor overflows to fish pond, and the throw out in pond extracts by slush pump, and adsorbs and make bio-bacterial manure with colliery powder.
Fish pond of the present invention, is communicated with secondary comprehensive treatment tank, and the overflowing liquid of secondary comprehensive treatment tank passes in fish pond.As shown in Figure 1, the treated water in fish pond can carry out fish pond water planting (plantation) vegetables, and the overflowing liquid in fish pond also can enter the pig farm recycling that produces biogas.
One grade fermemtation of the present invention pond and second order fermentation pond can be Huo Yuan pond, hexagonal pond, as adopt round pond, the diameter in so round pond: highly for 1:3-4 is advisable.The invention provides three kinds of embodiment: in embodiment mono-, the diameter in circle pond: highly for 1:3-is advisable; In embodiment bis-, the diameter in circle pond: highly for 1:3.5 is advisable; In embodiment tri-, the diameter in circle pond: highly for 1:4 is advisable.If being equipped with, air compressor machine supports per year one of ten thousand pig farm 5.5KW air compressor machine. can adopt 4 each fermentation vats of 220V air compressor machine (1.1KW) to join one without the defeated modified line road of 380KV.
And the total volume in one grade fermemtation of the present invention pond is plant's above biogas tail liquid emissions amount on the 3rd; The total volume of described one-level comprehensive treatment tank is plant's biogas tail liquid emissions amount of 2 days; The total volume in described second order fermentation pond is plant's biogas tail liquid emissions amount of 2 days; The total volume of described secondary comprehensive treatment tank is plant's biogas tail liquid emissions amount of 1 day; Described fish pond total volume is plant's above biogas tail liquid emissions amount on the 5th.
Above-mentioned explanation illustrates and has described the preferred embodiments of the present invention, as previously mentioned, be to be understood that the present invention is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, amendment and environment, and can, in invention contemplated scope described herein, change by technology or the knowledge of above-mentioned instruction or association area.And the change that those skilled in the art carry out and variation do not depart from the spirit and scope of the present invention, all should be in the protection domain of claims of the present invention.
Claims (9)
1. utilize jelly genus bacillus to process a method for biogas tail washings, the biogas that plant produces enters a methane-generating pit; It is characterized in that: the treatment system that the method relates to includes:
One or more one grade fermemtations pond, one grade fermemtation pond is interconnected; The biogas tail washings of methane-generating pit is sequentially in one grade fermemtation pond, and an one grade fermemtation pond, end is communicated with an one-level comprehensive treatment tank;
One or more second order fermentations pond, second order fermentation pond is interconnected; The overflowing liquid of one-level comprehensive treatment tank passes in first second order fermentation pond, and a second order fermentation pond, end is communicated with a secondary comprehensive treatment tank;
One fish pond, the overflowing liquid of secondary comprehensive treatment tank passes in fish pond, and the overflowing liquid in this fish pond enters the plant that produces biogas;
Wherein, in first one grade fermemtation pond, add one-level inoculation bacterium liquid, in first second order fermentation pond, add two-stage inoculation bacterium liquid; In one grade fermemtation pond and second order fermentation pond all by the liquid in ventilation of air compressor agitated pool; One-level comprehensive treatment tank and secondary comprehensive treatment tank all extract the throw out in pond by slush pump.
2. a kind of method of utilizing jelly genus bacillus to process biogas tail washings as claimed in claim 1, be characterised in that: described one-level inoculation bacterium liquid is compound bio alkali bacterium powder, and this compound bio alkali bacterium powder be in one grade fermemtation pond biogas tail washings total amount 1 ‰-2 ‰, after being dissolved in water, add in first one grade fermemtation pond; Described two-stage inoculation bacterium liquid is compound bio alkali bacterium powder, and this compound bio alkali bacterium powder be in second order fermentation pond biogas tail washings total amount 0.5 ‰-0.8 ‰, after being dissolved in water, add in first second order fermentation pond; Described compound bio alkali bacterium powder comprises Nuciferine 0.01%-0.02%, the little alkali 0.02%-0.03% of golden cypress and taraxacum alkaloid 0.003%-0.005%.
3. a kind of method of utilizing jelly genus bacillus to process biogas tail washings as claimed in claim 1 or 2, is characterized in that: bio-bacterial manure is made in the throw out colliery powder absorption in one-level comprehensive treatment tank and the secondary comprehensive treatment tank extracting by slush pump.
4. a kind of method of utilizing jelly genus bacillus to process biogas tail washings as claimed in claim 1 or 2, is characterized in that: described one grade fermemtation pond and Wei Yuan pond, second order fermentation pond, and the diameter in circle pond: be highly 1:3-4.
5. a kind of method of utilizing jelly genus bacillus to process biogas tail washings as claimed in claim 3, is characterized in that: described one grade fermemtation pond and Wei Yuan pond, second order fermentation pond, and the diameter in circle pond: be highly 1:3-4.
6. a kind of method of utilizing jelly genus bacillus to process biogas tail washings as claimed in claim 1 or 2, is characterized in that: the total volume in described one grade fermemtation pond is plant's above biogas tail liquid emissions amount on the 3rd; The total volume of described one-level comprehensive treatment tank is plant's biogas tail liquid emissions amount of 2 days; The total volume in described second order fermentation pond is plant's biogas tail liquid emissions amount of 2 days; The total volume of described secondary comprehensive treatment tank is plant's biogas tail liquid emissions amount of 1 day; Described fish pond total volume is plant's above biogas tail liquid emissions amount on the 5th.
7. a kind of method of utilizing jelly genus bacillus to process biogas tail washings as claimed in claim 3, is characterized in that: the total volume in described one grade fermemtation pond is plant's above biogas tail liquid emissions amount on the 3rd; The total volume of described one-level comprehensive treatment tank is plant's biogas tail liquid emissions amount of 2 days; The total volume in described second order fermentation pond is plant's biogas tail liquid emissions amount of 2 days; The total volume of described secondary comprehensive treatment tank is plant's biogas tail liquid emissions amount of 1 day; Described fish pond total volume is plant's above biogas tail liquid emissions amount on the 5th.
8. a kind of method of utilizing jelly genus bacillus to process biogas tail washings as claimed in claim 4, is characterized in that: the total volume in described one grade fermemtation pond is plant's above biogas tail liquid emissions amount on the 3rd; The total volume of described one-level comprehensive treatment tank is plant's biogas tail liquid emissions amount of 2 days; The total volume in described second order fermentation pond is plant's biogas tail liquid emissions amount of 2 days; The total volume of described secondary comprehensive treatment tank is plant's biogas tail liquid emissions amount of 1 day; Described fish pond total volume is plant's above biogas tail liquid emissions amount on the 5th.
9. a kind of method of utilizing jelly genus bacillus to process biogas tail washings as claimed in claim 5, is characterized in that: the total volume in described one grade fermemtation pond is plant's above biogas tail liquid emissions amount on the 3rd; The total volume of described one-level comprehensive treatment tank is plant's biogas tail liquid emissions amount of 2 days; The total volume in described second order fermentation pond is plant's biogas tail liquid emissions amount of 2 days; The total volume of described secondary comprehensive treatment tank is plant's biogas tail liquid emissions amount of 1 day; Described fish pond total volume is plant's above biogas tail liquid emissions amount on the 5th.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109628274A (en) * | 2018-12-28 | 2019-04-16 | 河南恒天久大实业有限公司 | A kind of multistage cellular-type full mixed anaerobic reaction device |
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| CN101700942A (en) * | 2009-11-06 | 2010-05-05 | 黑龙江省科学院微生物研究所 | Device and method for processing waste firedamp liquid |
| JP2012076031A (en) * | 2010-10-04 | 2012-04-19 | Panasonic Corp | Method and system for treating wastewater |
| CN103172428A (en) * | 2013-03-19 | 2013-06-26 | 建德市绿环有机肥料有限公司 | Production method for preparing bio-organic fertilizer through excrements of livestocks on large scale |
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- 2014-08-18 CN CN201410404804.8A patent/CN104150610B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1384187A (en) * | 2001-04-27 | 2002-12-11 | 华东师范大学 | Batch culture process of variant strain of Bacillus subtilis |
| CN101700942A (en) * | 2009-11-06 | 2010-05-05 | 黑龙江省科学院微生物研究所 | Device and method for processing waste firedamp liquid |
| JP2012076031A (en) * | 2010-10-04 | 2012-04-19 | Panasonic Corp | Method and system for treating wastewater |
| CN103172428A (en) * | 2013-03-19 | 2013-06-26 | 建德市绿环有机肥料有限公司 | Production method for preparing bio-organic fertilizer through excrements of livestocks on large scale |
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| CN109628274A (en) * | 2018-12-28 | 2019-04-16 | 河南恒天久大实业有限公司 | A kind of multistage cellular-type full mixed anaerobic reaction device |
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