CN108128999A - A kind of Taihu Lake cyanobacteria and sewage plant sludge and kitchen garbage cooperative processing method - Google Patents
A kind of Taihu Lake cyanobacteria and sewage plant sludge and kitchen garbage cooperative processing method Download PDFInfo
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- CN108128999A CN108128999A CN201810043219.8A CN201810043219A CN108128999A CN 108128999 A CN108128999 A CN 108128999A CN 201810043219 A CN201810043219 A CN 201810043219A CN 108128999 A CN108128999 A CN 108128999A
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- taihu lake
- kitchen garbage
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- cyanobacteria
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of Taihu Lake cyanobacteria and sewage plant sludge of environmental protection and regenerative resource processing technology field and kitchen garbage cooperative processing methods, include the following steps：The pretreatment of Taihu Lake cyanobacteria source, the pretreatment of kitchen garbage source, sewage plant sludge cooperates with pretreated Taihu Lake cyanobacteria and kitchen garbage by high-temperature-hot-water solution technique and carries out thermophilic digestion, biogas residue dewatering press, drying and other treatment obtain finished product, the advantage of the invention is that：It is cooperateed with by the pretreatment of Taihu Lake cyanobacteria source, sewage plant sludge by high-temperature-hot-water solution technique with pretreated Taihu Lake cyanobacteria and kitchen garbage and carries out thermophilic digestion, the biogas residue dewaterer dehydration high-pressure pressure filter directly comprehensive processing technique of squeezing and solar energy desiccation, it is not only able to realize Taihu Lake cyanobacteria, sewage plant sludge and kitchen garbage stabilisation, innoxious and minimizing, simultaneously, turn that waste be changed into values, it is native to produce available biogas, afforestation soil and forest land.
Description
Technical field
The present invention relates to environmental protection and regenerative resource processing technology field, specially a kind of Taihu Lake cyanobacteria and sewage plant
Sludge and kitchen garbage cooperative processing method.
Background technology
Taihu Lake cyanobacteria（Blue-green alge, cyanobacteria）, sewage plant sludge and kitchen garbage cooperative processing method method be as big lake
And the organic waste in city, complicated component easily rot, it is very harmful to environment and human body.Therefore Taihu Lake cyanobacteria
（Blue-green alge, cyanobacteria）, sewage plant sludge and kitchen garbage cooperative processing method method can properly dispose, be directly related to big
Lake and urban environmental security and body health of people problem.With the fast development in China big lake and city, Taihu Lake cyanobacteria
（Blue-green alge, cyanobacteria）, sewage plant sludge and kitchen garbage method yield increasingly increase.
Taihu Lake cyanobacteria（Blue-green alge, cyanobacteria）, sewage plant sludge and kitchen garbage easily cause secondary pollution.Meanwhile too
Acid blue algae（Blue-green alge, cyanobacteria）, in sewage plant sludge and kitchen garbage containing more organic matter, there is higher money trip profit
With value.For Taihu Lake cyanobacteria（Blue-green alge, cyanobacteria）, sewage plant sludge and kitchen garbage use " aerobic heap mostly both at home and abroad
Fertilizer+land use ", " anaerobic digestion+deep dehydration+desiccation " technology realize Taihu Lake cyanobacteria（Blue-green alge, cyanobacteria）, sewage
The efficient utilization of organic matter and nutrient in factory's sludge and kitchen garbage.According to the U.S.EPA investigation of 1998, anaerobism
Digestion is that the U.S. uses most common Taihu Lake cyanobacteria（Blue-green alge, cyanobacteria）, sewage plant sludge and kitchen garbage antihunt means, account for
75 %.China's anaerobic digestion techniques application starts from the 30's of 20th century, but up to the later stage seventies just starts more steadily to send out
It opens up, at present only about more than 10, China anaerobic digestion process, less than the 2% of National urban, anaerobic digestion can be Taihu Lake cyanobacteria（It is bluish-green
Algae, cyanobacteria）, sewage plant sludge and the low-quality organic matter of kitchen garbage be converted into the high-quality energy, but traditional anaerobism disappears
Change due to Taihu Lake cyanobacteria（Blue-green alge, cyanobacteria）, sewage plant sludge and kitchen garbage technological level is relatively low, biochemical poor performance,
There are biogas output it is low the problem of.
A kind of numerous patents such as entitled waste comprehensive processing technique, above-mentioned document report Taihu Lake cyanobacteria（Blue-green alge,
Cyanobacteria）, sewage plant sludge and kitchen garbage treatment process and equipment, it was recently reported that Taihu Lake cyanobacteria（Blue-green alge, cyanobacteria）, it is dirty
Waterworks sludge and kitchen garbage collection and disposition informatization platform, it was recently reported that Taihu Lake cyanobacteria（Blue-green alge, cyanobacteria）, sewage plant sludge
And techniques, the above-mentioned various documents such as kitchen garbage disposing technique is respectively included pre-processing, be sorted, anaerobic fermentation, press filtration are mentioned
Different processing methods, but its specific treatment process and inappropriate, not only easily pollute air secondary, discharge
Amount is big, and processing cost is high, for this purpose, it is proposed that a kind of Taihu Lake cyanobacteria and sewage plant sludge and kitchen garbage collaboration processing side
Method.
Invention content
The purpose of the present invention is to provide a kind of Taihu Lake cyanobacteria and sewage plant sludge and kitchen garbage cooperative processing method, with
Solve the problems mentioned above in the background art.
To achieve the above object, the present invention provides following technical solution：A kind of Taihu Lake cyanobacteria and sewage plant sludge and kitchen
Rubbish cooperative processing method, including Taihu Lake cyanobacteria, kitchen garbage and sewage plant sludge, the Taihu Lake blue-green algae treatment method is：Too
Acid blue algae carries out closed collection through closed collecting box first, collects the closed collecting box finished and is transported through integrated sealed collecting box
Vehicle is transported to Taihu Lake cyanobacteria discharging workshop, then carries out 55 degree or so anaerobic digestions of high temperature, and the Food waste treatment method is：
Kitchen garbage is collected first through collecting vessel, is collected the collecting vessel finished and is transported mixing through integrated waste transport vehicle and unloads
Between truck, the rubbish being transported in combined discharge workshop is detested first by mixed pulp production line and then 55 degree or so of high temperature of progress
Oxygen digests, and the sewage plant sludge processing method is：Sewage plant sludge is collected transport by sludge collecting cart first, then
Sewage plant sludge is entered into 163 degree or so pyrohydrolysis high-temperature sterilization sterilizations of high temperature, then will be carried out by the sludge of pyrohydrolysis high
Warm 55 degree or so anaerobic digestions, pretreated Taihu Lake cyanobacteria, kitchen garbage and sewage plant sludge collaboration enter high temperature anaerobic and send out
Fermentation tank, for the collecting methane for generation of fermenting in biogas container, the biogas in biogas container is defeated respectively after desulfurizing and purifying is withdrawn deposit
National grid and municipal gas ductwork are sent to, the biogas residue after fermentation takes off after being handled again by biogas residue conditioner into dewaterer
Water, dewatered biogas residue carry out high-pressure compressing, and the biogas residue after squeezing enters the further desiccation of solar energy desiccation, the natural pond of desiccation qualification
Slag is transported to relevant unit and is fabricated to organic fertilizer soil progress recycling.
Preferably, the inorganic salts medicament such as lime, coagulant is not added during dehydration, squeezing process.
Preferably, the biogas that digestion reaction generates enters biogas storage cabinet, after desulfurization, purification, purification, into biogas
National grid is incorporated to after power generation or is incorporated to gas ductwork.
Preferably, desiccation process is to be swum in solar energy desiccation workshop using solar energy and hot water as heat, by being dehydrated natural pond
Slag constantly mixes, crushes, divulges information, curing desiccation, and biogas residue moisture content, which declines, after solar energy desiccation reaches less than 40%.
Preferably, biogas residue moisture content is down within 80% after the dewaterer dehydration, and high-pressure pressure filter is aqueous after directly squeezing
Rate is down within 60%.
Compared with prior art, the beneficial effects of the invention are as follows：By Taihu Lake cyanobacteria（Blue-green alge, cyanobacteria）Locate in advance in source
Reason, sewage plant sludge are by high-temperature-hot-water solution technique and pretreated Taihu Lake cyanobacteria（Blue-green alge, cyanobacteria）And kitchen garbage
Collaboration carries out thermophilic digestion, biogas residue dewaterer dehydration high-pressure pressure filter is directly squeezed and General Office's science and engineering of solar energy desiccation
Skill is not only able to realize Taihu Lake cyanobacteria（Blue-green alge, cyanobacteria）, sewage plant sludge and kitchen garbage stabilize, be innoxious and subtract
Quantization, meanwhile, turn that waste be changed into values, it is native to produce available biogas, afforestation soil and forest land.
Description of the drawings
Fig. 1 is flow chart of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of Taihu Lake cyanobacteria and sewage plant sludge and kitchen garbage association
Same processing method, including Taihu Lake cyanobacteria A, kitchen garbage B and sewage plant sludge C, Taihu Lake cyanobacteria A includes blue-green alge and indigo plant is thin
Bacterium, Taihu Lake cyanobacteria A processing methods are：Taihu Lake cyanobacteria A carries out closed collection through closed collecting box A1 first, carries out hermetically sealed receipts
Collection, fortune are delivered to treatment facility in factory, avoid caused secondary air pollution when carrying out concentrating pretreatment in factory, have collected
Complete closed collecting box A1 is transported to Taihu Lake cyanobacteria discharging workshop A3 through integrated sealed collecting box transport vehicle A2, then carries out high
Warm 55 degree or so anaerobic digestions 1, kitchen garbage B processing methods are：Kitchen garbage B is collected first through collecting vessel B1, is collected
The collecting vessel B1 finished transports combined discharge workshop B3 through integrated waste transport vehicle B2, is transported to combined discharge workshop B3
Interior rubbish by mixed pulp production line B4 and then carries out 55 degree or so anaerobic digestions 1 of high temperature, sewage plant sludge C processing first
Method is：Sewage plant sludge C is collected transport by sludge collecting cart C1 first, and sewage plant sludge C then is entered high temperature
C2 is sterilized in 163 degree or so pyrohydrolysis high-temperature sterilizations, then will carry out 55 degree or so anaerobic digestions of high temperature by the sludge of pyrohydrolysis
1, pretreated Taihu Lake cyanobacteria A, kitchen garbage B and sewage plant sludge C collaborations enter high-temperature anaerobic fermentation tank, generation of fermenting
Collecting methane in biogas container 8, by desulfurizing and purifying withdraw deposit and be respectively delivered to national grid after 9 by biogas in biogas container 8
With municipal gas ductwork, the biogas residue after fermentation enters dewaterer dehydration 3 after being handled again by biogas residue conditioner 2, dewatered
Biogas residue carries out high-pressure compressing 4, and the biogas residue after squeezing enters 5 further desiccation of solar energy desiccation, is utilized convenient for afforestation fertilizer, does
The biogas residue of chemical combination lattice is transported to relevant unit and is fabricated to organic fertilizer soil progress recycling 6.
Wherein, the inorganic salts medicament such as lime, coagulant is not added during dehydration, squeezing process, improve machine fertilizer soil
Product quality, ensure biogas residue following resourceization utilize；
Digestion reaction generate biogas enter biogas storage cabinet, after desulfurization, purification, purification, into marsh gas power generation after be incorporated to state
Family's power grid is incorporated to gas ductwork, improves the purity of combustion gas, avoids the combustion gas pollution on the environment that combustion of sulfur amount is higher；
Desiccation process is to be swum in solar energy desiccation workshop using solar energy and hot water as heat, by constantly being mixed to dehydration biogas residue
Conjunction crushes, ventilation, curing desiccation, and biogas residue moisture content, which declines, after solar energy desiccation reaches 40% hereinafter, being made convenient for desiccation organic
Fertilizer soil, effectively improves resource utilization；
Dewaterer dehydration 3 after biogas residue moisture content be down within 80%, high-pressure pressure filter directly squeezing after moisture content be down to 60% with
It is interior, it is easy to produce go out available fertilizer；
Operation principle：It is of the invention fully to realize disposal of resources, reach near-zero release, " raw material " are Taihu Lake cyanobacteria（Blue-green alge,
Cyanobacteria）And kitchen garbage, urban catering enterprise, the kitchen castoff that dining room generates and the dirt of sewage treatment plants generation
Mud, after pyrohydrolysis and thermophilic digestion reaction, the biogas residue of generation, biogas slurry, biogas can be realized and be efficiently used, trench
Oil forms crude oil, then be refined into biodiesel after processing, the entire intimate zero-emission of processing procedure, can be formed complete organic
Matter endless-chain；
By Taihu Lake cyanobacteria（Blue-green alge, cyanobacteria）, sewage plant sludge and kitchen garbage source pretreatment, Taihu Lake cyanobacteria（It is bluish-green
Algae, cyanobacteria）Thermophilic digestion, sewage plant sludge high-temperature-hot-water solution and kitchen rubbish high temperature anaerobic digestion, biogas residue dewaterer
Dehydration high-pressure pressure filter is directly squeezed and the comprehensive processing technique of solar energy desiccation, is not only able to realize Taihu Lake cyanobacteria（Blue-green alge,
Cyanobacteria）, sewage plant sludge and kitchen garbage stabilize, innoxious and minimizing, meanwhile, turn that waste be changed into values, produce available
Biogas and fertilizer.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of Taihu Lake cyanobacteria and sewage plant sludge and kitchen garbage cooperative processing method, including Taihu Lake cyanobacteria（A）, kitchen garbage
（B）And sewage plant sludge（C）, it is characterised in that：The Taihu Lake cyanobacteria（A）Processing method is：Taihu Lake cyanobacteria（A）First through closed
Collecting box（A1）Closed collection is carried out, collects the closed collecting box finished（A1）Through integrated sealed collecting box transport vehicle（A2）It is defeated
It is sent to Taihu Lake cyanobacteria discharging workshop（A3）, then carry out 55 degree or so anaerobic digestions of high temperature（1）, the kitchen garbage（B）Processing
Method is：Kitchen garbage（B）First through collecting vessel（B1）It is collected, collects the collecting vessel finished（B1）Through integrated waste
Transport vehicle（B2）Transport combined discharge workshop（B3）, it is transported to combined discharge workshop（B3）Interior rubbish is made first by mixing
Starch production line（B4）Then 55 degree or so anaerobic digestions of high temperature are carried out（1）, the sewage plant sludge（C）Processing method is：Sewage
Factory's sludge（C）Pass through sludge collecting cart first（C1）Transport is collected, then by sewage plant sludge（C）Into 163 degree of high temperature
Left and right pyrohydrolysis high-temperature sterilization sterilization（C2）, then will carry out 55 degree or so anaerobic digestions of high temperature by the sludge of pyrohydrolysis（1）,
Pretreated Taihu Lake cyanobacteria（A）, kitchen garbage（B）And sewage plant sludge（C）Collaboration enters high-temperature anaerobic fermentation tank, fermentation production
Raw collecting methane is in biogas container（8）In, biogas container（8）In biogas withdraw deposit by desulfurizing and purifying（9）It conveys respectively afterwards
To national grid and municipal gas ductwork, the biogas residue after fermentation passes through biogas residue conditioner（2）It is taken off after handling again into dewaterer
Water（3）, dewatered biogas residue progress high-pressure compressing（4）, the biogas residue after squeezing enters solar energy desiccation（5）Further desiccation is done
The biogas residue of chemical combination lattice is transported to relevant unit and is fabricated to organic fertilizer soil progress recycling（6）.
2. a kind of Taihu Lake cyanobacteria according to claim 1 and sewage plant sludge and kitchen garbage cooperative processing method, special
Sign is：The inorganic salts medicament such as lime, coagulant is not added during the dehydration, squeezing process.
3. a kind of Taihu Lake cyanobacteria according to claim 1 and sewage plant sludge and kitchen garbage cooperative processing method, special
Sign is：The biogas that the digestion reaction generates enters biogas storage cabinet, after desulfurization, purification, purification, into marsh gas power generation
After be incorporated to national grid or be incorporated to gas ductwork.
4. a kind of Taihu Lake cyanobacteria according to claim 1 and sewage plant sludge and kitchen garbage cooperative processing method, special
Sign is：The desiccation process is to be swum in solar energy desiccation workshop using solar energy and hot water as heat, by being dehydrated biogas residue not
Disconnected mixes, crushes, divulging information, curing desiccation, and biogas residue moisture content, which declines, after solar energy desiccation reaches less than 40%.
5. a kind of Taihu Lake cyanobacteria according to claim 1 and sewage plant sludge and kitchen garbage cooperative processing method, special
Sign is：The dewaterer dehydration（3）Biogas residue moisture content is down within 80% afterwards, and moisture content drops after high-pressure pressure filter is directly squeezed
To within 60%.
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| CN201810043219.8A CN108128999A (en) | 2018-01-17 | 2018-01-17 | A kind of Taihu Lake cyanobacteria and sewage plant sludge and kitchen garbage cooperative processing method |
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| CN201810043219.8A CN108128999A (en) | 2018-01-17 | 2018-01-17 | A kind of Taihu Lake cyanobacteria and sewage plant sludge and kitchen garbage cooperative processing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929007A (en) * | 2018-07-03 | 2018-12-04 | 武汉天源环保股份有限公司 | A kind of drying method of town sewage plant sludge and food garbage anaerobism biogas residue |
| CN110116126A (en) * | 2019-05-22 | 2019-08-13 | 安徽省通源环境节能股份有限公司 | A kind of kitchen garbage, sludge cooperative disposal method |
| CN110241140A (en) * | 2019-07-03 | 2019-09-17 | 江南大学 | A method of pretreatment improves kitchen garbage and cyanobacteria mixing produces hydrogen |
| CN110342779A (en) * | 2019-06-21 | 2019-10-18 | 无锡国联环保科技股份有限公司 | A kind of integrated approach of sludge and algal gel collaboration processing |
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| CN106964633A (en) * | 2017-04-14 | 2017-07-21 | 镇江市海润环保科技有限公司 | A kind of kitchen castoff and sewage plant sludge cooperative processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110241140B (en) * | 2019-07-03 | 2022-07-01 | 江南大学 | Method for improving mixed hydrogen production of kitchen waste and blue algae through pretreatment |
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Application publication date: 20180608 |