CN110117199A - A kind of farming animals waste, house refuse collaboration utilizes and heavy metal control technique - Google Patents
A kind of farming animals waste, house refuse collaboration utilizes and heavy metal control technique Download PDFInfo
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- CN110117199A CN110117199A CN201910448867.6A CN201910448867A CN110117199A CN 110117199 A CN110117199 A CN 110117199A CN 201910448867 A CN201910448867 A CN 201910448867A CN 110117199 A CN110117199 A CN 110117199A
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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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00767—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes
- C04B2111/00784—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes for disposal only
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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- 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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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- 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
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Abstract
The invention discloses a kind of farming animals waste, house refuse collaboration utilizes and heavy metal control technique, including following three parts: anaerobic fermentation workshop section, compost workshop section and boiler burn workshop section.The present invention can obtain a variety of byproducts (biogas, Water soluble fertilizer, solid organic fertilizer) of anaerobic ferment process, organic fertilizer fertilizer efficiency is promoted using composting process and realize that low energy consumption reduces moisture content, the safety processing that burning process realizes heavy metal to pollutant realization minimizing and enriching heavy metal into flying dust can be used；Solves the technical problem that anaerobic fermentation and compost product heavy metal can not be controlled effectively, less economical and feces of livestock and poultry anhydration and incineration is burned when can make up biomass or the single insufficient raw material of house refuse simultaneously to consume energy high disadvantage, veritably realizes waste resource recovery, innoxious, minimizing and economization processing.
Description
Technical field
The present invention relates to ecological, environmental protective technical field, specifically a kind of farming animals waste, house refuse collaboration utilize and again
Metal control technique.
Background technique
Currently, animal husbandry, agricultural wastes and living garbage pollution problem have become the focus of global concern.Animal husbandry side
Face, 2017 according to statistics, the feces of livestock and poultry that China generates was up to 3,800,000,000 tons, but only half or so is comprehensively utilized, this meaning
Taste fail to be dealt carefully with there are also nearly 2,000,000,000 tons of feces of livestock and poultry, this will be to ecological environment, human health, regional appearance etc.
Etc. various aspects cause huge negative effect.In terms of agriculture, in 8.2 hundred million tons of agricultural crop straws that the whole nation generates every year, there is 2.15 hundred million
Ton is incinerated and discards.The energy is not only wasted, declines the content of organic matter of soil, causes under soil hardening and water-holding capacity
Drop, while serious pollution atmosphere and water environment.In terms of living garbage pollution, it is more than 65 that China's domestic waste, which accumulates volume of cargo in storage,
Hundred million tons, occupy about 3,500,000,000 square metres of soils, in national more than 660 a cities, existing 2/3 big and medium-sized cities are surrounded by rubbish, there is 1/4
City be forced the approach for solving rubbish crisis extending to rural area, lead to rubbish secondary pollution, the ecology of town and country bond area
Environment deteriorates rapidly.
To solve the problems, such as animal husbandry, agricultural wastes and living garbage pollution, country has put into effect " state, National Development and Reform Commission
Bureau of Energy, family is about the notice for printing and distributing energy development planning ", it is indicated that positive Developing Biomass liquid fuel, gaseous fuel, solid
Shaped fuel pushes marsh gas power generation, Biomass Gasification & Power Generation.2017, Jiangxi, Fujian and Guizhou San Sheng were set as the whole nation by country
First batch of conservation culture trial zone indicates that conservation culture trial zone construction in China enters the fully under way and acceleration propulsion phase.?
Under this background, carry out what animal husbandry, agricultural and house refuse waste remediation were highly desirable.
For agricultural wastes and house refuse, direct combustion power generation is presently most mature processing technique, but biological
Matter and garbage power need to just have feasibility in the preferable area of endowment of resources, power generation small scale warp when single resource material quantity is few
Ji property is poor.And feces of livestock and poultry higher for moisture content, the mode of anhydration and incineration need to consume more external energy, influence project warp
Ji benefit.Therefore, the method for taking direct combustion burning disposal agricultural, animal husbandry and house refuse is subject to many limitations.
The feces of livestock and poultry Land use systems currently generally taken are anaerobic fermentation and compost.Although excrement can be converted to natural pond fertilizer
Or biogas, it realizes resource utilization, but due to being added in feed compared with multi-metal, leads to content of beary metal in feces of livestock and poultry
It has generally exceeded the standard.On the one hand it will affect natural pond fertilizer quality, reduce project yield, the natural pond fertilizer on the other hand applying heavy metals exceeding standard will lead to
Soil pollution, heavy metal eventually enter into human body by agricultural product and endanger health.Passivation is current with wider heavy metal
Processing mode, but be only stable insoluble compound by the Morphological Transitions of heavy metal, and the separation removal of heavy metal is not implemented.
After the fertilizer returning to the field of natural pond, heavy metal will face the risk of secondary release.A natural pond fertilizer huge sum of money is really realized in industrial application so far
Belong to the effectively report that controls and safely remove there is not yet.Meet environmental requirement it is therefore proposed that a kind of new, technology and economically
Feasible feces of livestock and poultry heavy metal effectively controls and removes scheme and is particularly important.
To sum up, in the region perplexed by a variety of waste pollutions such as biomass, feces of livestock and poultry, house refuse, exploitation one
The novel multi-pollutant of kind cooperates with the effective technology controlled with qualified discharge for utilizing and realizing heavy metal, can thoroughly solve area
Domain ecological environmental pollution problem, had both met the requirement of national Ecological Civilization Construction and sustainable development, but also with very strong reality
Demand.
Summary of the invention
The purpose of the present invention is to overcome the deficiency in the prior art, provides a kind of farming animals waste, house refuse collaboration utilizes
And heavy metal control technique, it is therefore intended that by the collaboration resource utilization of biomass, feces of livestock and poultry and house refuse, to reach
Comprehensive agricultural, animal husbandry and the domestic waste multi-pollutant for solving the problems, such as that region faces perplexs, and solve biomass or
Less economical and feces of livestock and poultry anhydration and incineration is burned when the single insufficient raw material of house refuse to consume energy high problem, meanwhile, it is another
A purpose also resides in the effective control for realizing heavy metals in by-product, it is ensured that qualified discharge solves feces of livestock and poultry heavy metal pollution
The problem of.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of farming animals waste, house refuse collaboration utilizes and heavy metal control technique, including following three parts form: detesting
Aerobe fermentation workshop section, compost workshop section and boiler burn workshop section；
The step of anaerobic fermentation workshop section, is as follows: biomass being crushed, is mixed with feces of livestock and poultry, inoculum is added, is mixed
Medium temperature wet type anaerobic fermentation is carried out after closing uniformly, generates biogas and residue；
The step of compost workshop section, is as follows: the biogas residue being uniformly mixed with biomass, is conveyed into trough type fermentation equipment
During High-Temperature Composting processing is carried out, after compost, and heavy metal analysis is carried out to biogas residue and transports biogas residue if heavy metal is up to standard
To organic fertilizer production workshop, organic fertilizer sale is made, if biogas residue heavy metal is not up to standard, workshop section is burned in transport to boiler；
It is as follows that the boiler burns the step of workshop section: biogas residue is sent directly into boiler together with biomass and house refuse and burns
It burns, meanwhile, compost gas is passed through boiler aid fuel combustion, and heating boiler water generates steam；Heavy metal accumulation after burning
In flying dust, chelating solidification.
Above-mentioned technical proposal is further arranged, specific step is as follows for the anaerobic fermentation workshop section:
Biomass powder is broken to 1.5~2.5mm, mixed in proportion with feces of livestock and poultry to fermentation raw material C/N ratio be (25~
30): 1,20% inoculum is added, optionally plus water adjusts moisture content to 88~92%, and CSTR hair is sent into after being sufficiently mixed uniformly
Fermentation tank carries out medium temperature wet type anaerobic fermentation 10~20 days, and fermentation generates biogas and residue.
Preferably, the temperature of medium temperature wet type anaerobic fermentation is 30~35 DEG C, and pH is between 6.5~8.0.
Above-mentioned technical proposal is further arranged, the residue enters filters pressing solid-liquid separating equipment, separates the biogas slurry of acquisition
Through precipitation/filtration, ozonization, pH and incorporation nutritional ingredient preparation Water soluble fertilizer sale are adjusted, the moisture content for separating generation is 55
~65% biogas residue then carries out heavy metal analysis, if heavy metal is up to standard, biogas residue is transported to organic fertilizer production workshop, is formed with
Machine fertilizer is sold, if biogas residue heavy metal is not up to standard, is delivered to compost workshop section.
Preferably, the biogas produces CNG or power generation sale for purifying.
Above-mentioned technical proposal is further arranged, specific step is as follows for the compost workshop section:
The biogas residue is mixed in proportion with biomass, adjusting C/N ratio is (25~30): 1, it is conveyed into trough type fermentation and sets
Standby to carry out During High-Temperature Composting processing, temperature is controlled at 45~60 DEG C, is kept for 55 DEG C of temperature of charge or more at least maintain 5 days, starting material
Expect moisture control in 50~60%, pH between 6.0~8.0；
Biogas residue moisture is down to 18~22% after compost, and carries out heavy metal analysis to biogas residue, if heavy metal is up to standard,
Biogas residue is transported to organic fertilizer production workshop, organic fertilizer sale is made, if biogas residue heavy metal is not up to standard, transport to boiler is burned
Workshop section.
Above-mentioned technical proposal is further arranged, the bottom ventilation oxygen supply of the trough type fermentation equipment, every 1~3 day benefit
It is primary to material turning with turner.
Above-mentioned technical proposal is further arranged, to prevent composting process from generating odor pollution, closed workshop is taken to force
Draft type, compost gas are sent to boiler as combustion air.
Above-mentioned technical proposal is further arranged, the boiler burns workshop section, and specific step is as follows:
The biogas residue of moisture content 18~22% is not required to additionally consume energy to dry to be sent directly into pot together with biomass and house refuse
Furnace burns, meanwhile, compost gas is passed through boiler aid fuel combustion, and heating boiler water generates steam；Heavy metal after burning
It accumulates in flying dust, realizes great minimizing processing, heavy metal can be ensured not using the cement chelating solidification of low cost
It secondary can be discharged into soil.
Preferably, the steam can be used in heat supply, steam supply or power generation.
Compared with prior art, the advantages and positive effects of the present invention are as follows:
(1) it has been provided simultaneously with anaerobic fermentation, compost and the advantage for burning three kinds of technique, the more of anaerobic ferment process can be obtained
Kind byproduct (biogas, Water soluble fertilizer, solid organic fertilizer) promotes organic fertilizer fertilizer efficiency using composting process and realizes that low energy consumption reduces
Moisture content, can be used burning process to pollutant realize minimizing and enriching heavy metal realized into flying dust heavy metal it is low at
Safety processing；Meanwhile the disadvantage of three kinds of technique is in turn avoided, it solves anaerobic fermentation and compost product heavy metal can not be effective
The technical problem of control veritably realizes waste resource recovery, innoxious, minimizing and economization processing；Life can be made up simultaneously
Less economical and feces of livestock and poultry anhydration and incineration is burned when substance or the single insufficient raw material of house refuse to consume energy high disadvantage.
(2) biomass material (such as region stalk), feces of livestock and poultry (such as pig manure) and a variety of pollutions of house refuse are realized
The collaboration resource utilization of object；It can get organic fertilizer, biogas, steam, a variety of byproducts of electric energy, and available abundant benefit
With, resource utilization is high, and it is good in economic efficiency, meet circular economy concept, has technology and economic feasibility.
Detailed description of the invention
Fig. 1 farming animals waste of the present invention, house refuse collaboration utilize and heavy metal controls process principle figure；
Specific embodiment
Specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Embodiment 1
A kind of farming animals waste, house refuse collaboration utilizes and heavy metal control technique, as shown in Figure 1, by following three
Be grouped as: anaerobic fermentation workshop section, compost workshop section and boiler burn workshop section.
Specific step is as follows for the anaerobic fermentation workshop section:
Corn stalk powder is broken to 2.0mm, according to the TS content and elemental analysis of pig manure and stalk as a result, by corn stover
To 27: 1 20% inoculum is added, optionally plus water adjusts moisture content extremely in Mixed adjustment C/N ratio in proportion with fresh pig manure
90%, CSTR fermentor is sent into after being sufficiently mixed uniformly and is carried out medium temperature wet type anaerobic fermentation 20 days, and fermentation generates biogas and residue.
The temperature of medium temperature wet type anaerobic fermentation is 33 DEG C, and pH is equal to 7.2.
The residue enters filters pressing solid-liquid separating equipment, separates the biogas slurry of acquisition through precipitation/filtration, ozonization, adjusting
PH and incorporation nutritional ingredient preparation Water soluble fertilizer are sold, and the biogas residue that the moisture content for separating generation is 60% then carries out heavy metal analysis,
If heavy metal is up to standard, biogas residue is transported to organic fertilizer production workshop, is made and meets NY525-2012 " organic fertilizer " standard
Organic fertilizer is sold, if biogas residue heavy metal is not up to standard, is delivered to compost workshop section.
Power generation is sold after the biogas produces CNG (bio-natural gas) or pretreatment for purification.
Specific step is as follows for the compost workshop section:
The biogas residue and smashed corn stover are mixed in proportion, C/N ratio is adjusted to 26.5: 1, is conveyed into slot
Formula Zymolysis Equipment carries out During High-Temperature Composting processing, and temperature is controlled at 45~60 DEG C, is kept for 60 DEG C of temperature of charge maintain 5 days, starting material
Expect that moisture control is equal to 7.0 in 55%, pH；
Biogas residue moisture is down to 20% after compost, and carries out heavy metal analysis to biogas residue, if heavy metal is up to standard, by natural pond
Slag, which is transported, the organic fertilizer for meeting NY525-2012 " organic fertilizer " standard is made to organic fertilizer production workshop to be sold, if weight
Metal is not up to standard, then workshop section is burned in transport to boiler.
The bottom ventilation of the trough type fermentation equipment supplies oxygen, primary to material turning using turner every 2 days.
To prevent composting process from generating odor pollution, closed workshop forced ventilation mode is taken, compost gas is sent to boiler
As combustion air.
The boiler burns workshop section, and specific step is as follows:
The biogas residue of moisture content 20% is not required to additionally consume energy to dry to be sent directly into bubbling together with corn stover and house refuse
Fluidized-bed combustion boiler burns, meanwhile, compost gas is passed through boiler aid fuel combustion, solves odor pollution, and heating boiler water generates
Steam heat supply, steam supply or power generation are carried out according to local demand；Heavy metal after burning accumulates in flying dust, realizes greatly
Minimizing processing, using low cost cement chelating solidification can ensure that heavy metal secondary will not be discharged into soil.
Embodiment 2
A kind of farming animals waste, house refuse collaboration utilizes and heavy metal control technique, as shown in Figure 1, by following three
Be grouped as: anaerobic fermentation workshop section, compost workshop section and boiler burn workshop section.
Specific step is as follows for the anaerobic fermentation workshop section:
Corn stalk powder is broken to 2.5mm, according to the TS content and elemental analysis of cow dung and stalk as a result, by corn stover
To 30: 1 20% inoculum is added, optionally plus water adjusts moisture content extremely in Mixed adjustment C/N ratio in proportion with fresh cow dung
92%, CSTR fermentor is sent into after being sufficiently mixed uniformly and is carried out medium temperature wet type anaerobic fermentation 20 days, and fermentation generates biogas and residue.
The temperature of medium temperature wet type anaerobic fermentation is 35 DEG C, and pH is equal to 8.0.
The residue enters filters pressing solid-liquid separating equipment, separates the biogas slurry of acquisition through precipitation/filtration, ozonization, adjusting
PH and incorporation nutritional ingredient preparation Water soluble fertilizer are sold, and the biogas residue that the moisture content for separating generation is 65% then carries out heavy metal analysis,
If heavy metal is up to standard, biogas residue is transported to organic fertilizer production workshop, is made and meets NY525-2012 " organic fertilizer " standard
Organic fertilizer is sold, if biogas residue heavy metal is not up to standard, is delivered to compost workshop section.
Power generation is sold after the biogas produces CNG (bio-natural gas) or pretreatment for purification.
Specific step is as follows for the compost workshop section:
The biogas residue and smashed corn stover are mixed in proportion, C/N ratio is adjusted to 29.5: 1, is conveyed into slot
Formula Zymolysis Equipment carries out During High-Temperature Composting processing, and temperature is controlled at 45~60 DEG C, is kept for 55 DEG C of temperature of charge maintain 5 days, starting material
Expect that moisture control is equal to 8.0 in 60%, pH；
Biogas residue moisture is down to 22% after compost, and carries out heavy metal analysis to biogas residue, if heavy metal is up to standard, by natural pond
Slag, which is transported, the organic fertilizer for meeting NY525-2012 " organic fertilizer " standard is made to organic fertilizer production workshop to be sold, if weight
Metal is not up to standard, then workshop section is burned in transport to boiler.
The bottom ventilation of the trough type fermentation equipment supplies oxygen, primary to material turning using turner every 1 day.
To prevent composting process from generating odor pollution, closed workshop forced ventilation mode is taken, compost gas is sent to boiler
As combustion air.
The boiler burns workshop section, and specific step is as follows:
The biogas residue of moisture content 22% is not required to additionally consume energy to dry to be sent directly into bubbling together with corn stover and house refuse
Fluidized-bed combustion boiler burns, meanwhile, compost gas is passed through boiler aid fuel combustion, solves odor pollution, and heating boiler water generates
Steam heat supply, steam supply or power generation are carried out according to local demand；Heavy metal after burning accumulates in flying dust, realizes greatly
Minimizing processing, using low cost cement chelating solidification can ensure that heavy metal secondary will not be discharged into soil.
Embodiment 3
A kind of farming animals waste, house refuse collaboration utilizes and heavy metal control technique, as shown in Figure 1, by following three
Be grouped as: anaerobic fermentation workshop section, compost workshop section and boiler burn workshop section.
Specific step is as follows for the anaerobic fermentation workshop section:
Wheat stalk is crushed to 1.5mm, according to the TS content and elemental analysis of pig manure and stalk as a result, by wheat stalk
To 25: 1 20% inoculum is added, optionally plus water adjusts moisture content extremely in Mixed adjustment C/N ratio in proportion with fresh pig manure
88%, CSTR fermentor is sent into after being sufficiently mixed uniformly and is carried out medium temperature wet type anaerobic fermentation 20 days, and fermentation generates biogas and residue.
The temperature of medium temperature wet type anaerobic fermentation is 35 DEG C, and pH is equal to 7.0.
The residue enters filters pressing solid-liquid separating equipment, separates the biogas slurry of acquisition through precipitation/filtration, ozonization, adjusting
PH and incorporation nutritional ingredient preparation Water soluble fertilizer are sold, and the biogas residue that the moisture content for separating generation is 55% then carries out heavy metal analysis,
If heavy metal is up to standard, biogas residue is transported to organic fertilizer production workshop, is made and meets NY525-2012 " organic fertilizer " standard
Organic fertilizer is sold, if biogas residue heavy metal is not up to standard, is delivered to compost workshop section.
Power generation is sold after the biogas produces CNG (bio-natural gas) or pretreatment for purification.
Specific step is as follows for the compost workshop section:
The biogas residue and smashed wheat stalk are mixed in proportion, C/N ratio is adjusted to 24.5: 1, is conveyed into slot
Formula Zymolysis Equipment carries out During High-Temperature Composting processing, and temperature is controlled at 45~60 DEG C, is kept for 55 DEG C of temperature of charge maintain 5 days, starting material
Expect that moisture control is equal to 6.0 in 50%, pH；
Biogas residue moisture is down to 18% after compost, and carries out heavy metal analysis to biogas residue, if heavy metal is up to standard, by natural pond
Slag, which is transported, the organic fertilizer for meeting NY525-2012 " organic fertilizer " standard is made to organic fertilizer production workshop to be sold, if weight
Metal is not up to standard, then workshop section is burned in transport to boiler.
The bottom ventilation of the trough type fermentation equipment supplies oxygen, primary to material turning using turner every 3 days.
To prevent composting process from generating odor pollution, closed workshop forced ventilation mode is taken, compost gas is sent to boiler
As combustion air.
The boiler burns workshop section, and specific step is as follows:
The biogas residue of moisture content 18% is not required to additionally consume energy to dry to be sent directly into bubbling together with wheat stalk and house refuse
Fluidized-bed combustion boiler burns, meanwhile, compost gas is passed through boiler aid fuel combustion, solves odor pollution, and heating boiler water generates
Steam heat supply, steam supply or power generation are carried out according to local demand；Heavy metal after burning accumulates in flying dust, realizes greatly
Minimizing processing, using low cost cement chelating solidification can ensure that heavy metal secondary will not be discharged into soil.
Above-described embodiment is only more excellent embodiment of the invention, is implemented according to the technical essence of the invention to above
Any simple modification, modification and the alternate variation that example is made, belong in the range of technical solution of the present invention.
Claims (10)
1. the collaboration of a kind of farming animals waste, house refuse utilizes and heavy metal control technique, which is characterized in that including following three
Be grouped as: anaerobic fermentation workshop section, compost workshop section and boiler burn workshop section；
The step of anaerobic fermentation workshop section, is as follows: biomass being crushed, is mixed with feces of livestock and poultry, inoculum is added, mixing is equal
Medium temperature wet type anaerobic fermentation is carried out after even, generates biogas and residue；
The step of compost workshop section, is as follows: the biogas residue being uniformly mixed with biomass, is conveyed into the progress of trough type fermentation equipment
During High-Temperature Composting processing after compost, and carries out heavy metal analysis to biogas residue, if heavy metal is up to standard, biogas residue is transported to having
Between machine fertilizer production vehicle, organic fertilizer sale is made, if biogas residue heavy metal is not up to standard, workshop section is burned in transport to boiler；
It is as follows that the boiler burns the step of workshop section: biogas residue is sent directly into boiler burning together with biomass and house refuse, together
When, compost gas is passed through boiler aid fuel combustion, and heating boiler water generates steam；Heavy metal after burning accumulates in flying dust
In, chelating solidification.
2. the collaboration of a kind of farming animals waste according to claim 1, house refuse utilizes and heavy metal control technique, special
Sign is that specific step is as follows for the anaerobic fermentation workshop section:
Biomass powder is broken to 1.5~2.5mm, being mixed in proportion with feces of livestock and poultry to fermentation raw material C/N ratio is (25~30): 1,
20% inoculum is added, optionally plus water adjusts moisture content to 88~92%, be sent into after being sufficiently mixed uniformly CSTR fermentor into
Row medium temperature wet type anaerobic fermentation 10~20 days, fermentation generated biogas and residue.
3. the collaboration of a kind of farming animals waste according to claim 2, house refuse utilizes and heavy metal control technique, special
Sign is that the temperature of medium temperature wet type anaerobic fermentation is 30~35 DEG C, and pH is between 6.5~8.0.
4. the collaboration of a kind of farming animals waste according to claim 3, house refuse utilizes and heavy metal control technique, special
Sign is that the residue enters filters pressing solid-liquid separating equipment, separates the biogas slurry of acquisition through precipitation/filtration, ozonization, adjusting pH
It is sold with incorporation nutritional ingredient preparation Water soluble fertilizer, the biogas residue that the moisture content for separating generation is 55~65% then carries out heavy metal inspection
It surveys, if heavy metal is up to standard, biogas residue is transported to organic fertilizer production workshop, organic fertilizer sale is made, if biogas residue heavy metal does not reach
Mark, then be delivered to compost workshop section.
5. the collaboration of a kind of farming animals waste according to claim 2, house refuse utilizes and heavy metal control technique, special
Sign is that the biogas produces CNG or power generation sale for purifying.
6. the collaboration of a kind of farming animals waste according to claim 4 or 5, house refuse utilizes and heavy metal control technique,
It is characterized in that, specific step is as follows for the compost workshop section:
The biogas residue is mixed in proportion with biomass, adjust C/N ratio be (25~30): 1, be conveyed into trough type fermentation equipment into
The processing of row During High-Temperature Composting, temperature are controlled at 45~60 DEG C, are kept for 55 DEG C of temperature of charge or more at least maintain 5 days, starting material contains
The control of water rate is in 50~60%, pH between 6.0~8.0；
Biogas residue moisture is down to 18~22% after compost, and carries out heavy metal analysis to biogas residue, if heavy metal is up to standard, by natural pond
Slag is transported to organic fertilizer production workshop, and organic fertilizer sale is made, if biogas residue heavy metal is not up to standard, work is burned in transport to boiler
Section.
7. the collaboration of a kind of farming animals waste according to claim 6, house refuse utilizes and heavy metal control technique, special
Sign is that the bottom ventilation oxygen supply of the trough type fermentation equipment is primary to material turning using turner every 1~3 day.
8. the collaboration of a kind of farming animals waste according to claim 7, house refuse utilizes and heavy metal control technique, special
Sign is, to prevent composting process from generating odor pollution, takes closed workshop forced ventilation mode, compost gas, which is sent to boiler, to be made
For combustion air.
9. the collaboration of a kind of farming animals waste according to claim 8, house refuse utilizes and heavy metal control technique, special
Sign is that the boiler burns workshop section, and specific step is as follows:
The drying that is not required to additionally to consume energy of the biogas residue of moisture content 18~22% is sent directly into boiler together with biomass and house refuse and burns
It burns, meanwhile, compost gas is passed through boiler aid fuel combustion, and heating boiler water generates steam；Heavy metal accumulation after burning
In flying dust, is chelated and solidified using cement.
10. the collaboration of a kind of farming animals waste according to claim 9, house refuse utilizes and heavy metal control technique,
It is characterized in that, the steam can be used in heat supply, steam supply or power generation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910448867.6A CN110117199A (en) | 2019-05-28 | 2019-05-28 | A kind of farming animals waste, house refuse collaboration utilizes and heavy metal control technique |
| CN201911002994.XA CN110606774A (en) | 2019-05-28 | 2019-10-22 | Process for synergistic utilization of agricultural and livestock wastes and household garbage and heavy metal control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910448867.6A CN110117199A (en) | 2019-05-28 | 2019-05-28 | A kind of farming animals waste, house refuse collaboration utilizes and heavy metal control technique |
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| CN110117199A true CN110117199A (en) | 2019-08-13 |
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| CN201910448867.6A Withdrawn CN110117199A (en) | 2019-05-28 | 2019-05-28 | A kind of farming animals waste, house refuse collaboration utilizes and heavy metal control technique |
| CN201911002994.XA Pending CN110606774A (en) | 2019-05-28 | 2019-10-22 | Process for synergistic utilization of agricultural and livestock wastes and household garbage and heavy metal control |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911002994.XA Pending CN110606774A (en) | 2019-05-28 | 2019-10-22 | Process for synergistic utilization of agricultural and livestock wastes and household garbage and heavy metal control |
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| CN (2) | CN110117199A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950516A (en) * | 2019-11-27 | 2020-04-03 | 中国电建集团江西省电力建设有限公司 | Comprehensive treatment system and method for livestock and poultry manure and household garbage |
| CN111153749A (en) * | 2019-12-28 | 2020-05-15 | 卢一念 | Agricultural waste treatment processing technology |
| CN112119972A (en) * | 2020-09-22 | 2020-12-25 | 安徽大学 | Ecological mode of multi-energy complementary large-scale intelligent pig raising industry |
| CN113500080A (en) * | 2021-05-23 | 2021-10-15 | 华北理工大学 | Biomass multi-element coupling gasification system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270003B (en) * | 2008-04-09 | 2010-06-16 | 李克彦 | Biological organic fertilizer and method for producing the same |
| CN105886330A (en) * | 2014-12-11 | 2016-08-24 | 北京中科洁能环境工程技术有限公司 | Municipal domestic solid waste integrated treatment process system |
| CN104633667A (en) * | 2014-12-15 | 2015-05-20 | 陕西祥瑞电气工程自动化有限公司 | Incineration disposal and comprehensive utilization production technology for household rubbish |
| CN105084952A (en) * | 2015-08-15 | 2015-11-25 | 广州市漾花湖农业科技有限公司 | Preparing method for converting chicken dung into refined water-solubility organic fertilizers |
| CN108503399A (en) * | 2018-04-11 | 2018-09-07 | 农业部规划设计研究院 | A kind of efficient processing method for removing antibiotic in feces of livestock and poultry |
-
2019
- 2019-05-28 CN CN201910448867.6A patent/CN110117199A/en not_active Withdrawn
- 2019-10-22 CN CN201911002994.XA patent/CN110606774A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950516A (en) * | 2019-11-27 | 2020-04-03 | 中国电建集团江西省电力建设有限公司 | Comprehensive treatment system and method for livestock and poultry manure and household garbage |
| CN110950516B (en) * | 2019-11-27 | 2023-12-22 | 中国电建集团江西省电力建设有限公司 | System and method for comprehensively treating livestock and poultry manure and household garbage |
| CN111153749A (en) * | 2019-12-28 | 2020-05-15 | 卢一念 | Agricultural waste treatment processing technology |
| CN112119972A (en) * | 2020-09-22 | 2020-12-25 | 安徽大学 | Ecological mode of multi-energy complementary large-scale intelligent pig raising industry |
| CN113500080A (en) * | 2021-05-23 | 2021-10-15 | 华北理工大学 | Biomass multi-element coupling gasification system |
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| CN110606774A (en) | 2019-12-24 |
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