CN110642487A - Livestock and poultry manure energy regeneration and fertilizer treatment method - Google Patents
Livestock and poultry manure energy regeneration and fertilizer treatment method Download PDFInfo
- Publication number
- CN110642487A CN110642487A CN201910867210.3A CN201910867210A CN110642487A CN 110642487 A CN110642487 A CN 110642487A CN 201910867210 A CN201910867210 A CN 201910867210A CN 110642487 A CN110642487 A CN 110642487A
- Authority
- CN
- China
- Prior art keywords
- livestock
- sewage
- domestic
- poultry manure
- material transport
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of resource recycling, in particular to a method for energy regeneration and fertilizer treatment of livestock and poultry manure.
Description
Technical Field
The invention relates to the technical field of resource recycling, in particular to a livestock and poultry manure energy regeneration and fertilizer treatment method.
Background
At the present stage, due to the fact that equipment conditions of supporting facilities and equipment for scale cultivation cannot be kept up with each other, an effective treatment mechanism is lacked in a scattered cultivation dense area, livestock and poultry manure cannot be effectively treated in time, water sources are polluted due to random discharge of the livestock and poultry manure, and the livestock and poultry manure becomes a main contributor to agricultural non-point source pollution.
In recent years, crop straws become a new source of non-point source pollution in rural areas. In summer and autumn and winter every year, a large amount of crop straws are always burnt in the field, and a large amount of dense smoke is generated, so that the problem of bottleneck of rural environment protection is solved, and even the problem of the bad influence on urban air quality is solved.
The household garbage is randomly discarded to pollute soil and water sources, but the household garbage contains a large amount of combustible substances and generates certain energy after combustion, so that the household garbage can be effectively utilized by burning.
Researches show that the TS content of crop straws is 60%, the TS content of livestock and poultry manure is 7% and the TS content of domestic sewage is 10%, so that a mode for carrying out intensive treatment on the livestock and poultry manure, the straws, toilet sewage, the domestic sewage and domestic garbage is needed, and the utilization rate of resources is improved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a livestock and poultry manure energy-regeneration and fertilizer-conversion treatment method, which can perform intensive treatment on livestock and poultry manure, straws, toilet sewage, domestic sewage and domestic garbage around a resource conversion station, and improves the resource utilization rate.
The invention is realized by the following technical scheme: a livestock and poultry manure energy regeneration and fertilizer treatment method comprises the following steps:
establishing a toilet sewage collecting well in a residential area, wherein the toilet sewage collecting well is communicated with an excrement sewer of a household of the residential area, a domestic sewage collecting well is established in the residential area, the domestic sewage collecting well is communicated with the domestic sewage sewer of the residential area, a livestock and poultry excrement collecting pool is established in a breeding area, the livestock and poultry excrement collecting pool is connected with a sewer of a colony house of the breeding area, and a garbage pool is established in the residential area to accumulate field straws to the roadside for collecting domestic garbage of the residential area;
transporting the toilet sewage in the toilet sewage collecting well, the domestic sewage in the sewage collecting well and the livestock and poultry manure in the livestock and poultry manure collecting pool to a resource conversion station by using a liquid material transport vehicle, and transporting the domestic garbage in the garbage pool and the straws accumulated beside the road to the resource conversion station by using a solid material transport vehicle;
step three, carrying out solid-liquid separation on the toilet sewage and the livestock and poultry manure to obtain mixed liquid and manure residues, and conveying the domestic sewage into an aerobic tank for aerobic treatment;
step four, introducing the mixed liquor into an acidification adjusting tank for stirring for 2 ~ 3 hours, heating the mixed liquor in the acidification adjusting tank, controlling the temperature to be 26 ~ 45 ℃ and the pH value to be 6.8 ~ 7.4.4, and conveying the domestic sewage subjected to the aerobic treatment to a culture area by a liquid material transport vehicle for washing a colony house of the culture area;
step four, crushing the straws to each section of 10 ~ 15cm, conveying the crushed straws to an anaerobic fermentation tank through a conveying system, introducing the mixed liquor with the adjusted pH value into the anaerobic fermentation tank through a pipeline for anaerobic fermentation, burning the domestic garbage to heat the anaerobic fermentation tank, and keeping the temperature of the anaerobic fermentation tank between 25 and 25 ~ 35 ℃;
step five, introducing biogas residues generated after fermentation and manure residues obtained after solid-liquid separation into a mixing tank for mixing to form an organic fertilizer;
and step six, conveying the organic fertilizer formed in the mixing tank to the field for composting through a solid material transport vehicle.
Furthermore, the collection range of the toilet sewage, the domestic sewage, the livestock and poultry manure, the domestic garbage and the straws is within 7.5km around the resource conversion station.
Furthermore, the frequency of collecting the toilet sewage, the domestic sewage and the livestock and poultry manure in the residential area by the liquid material transport vehicle is once a day.
Furthermore, the frequency of collecting the household garbage by the solid material transport vehicle is once a day.
The invention has the beneficial effects that: a method for treating the dung of domestic animals and fowls by energy regeneration and fertilizer application features that the dung of domestic animals and fowls, straw, sewage in toilet, domestic sewage and domestic garbage are converted to regenerated energy (solid, liquid and gas) by comprehensive resource conversion station, so providing clean energy, speeding up the revolution of toilet and the process of changing gas from coal to gas in rural area.
Detailed Description
Examples
A livestock and poultry manure energy regeneration and fertilizer treatment method comprises the following steps:
establishing a toilet sewage collecting well near a residential area, wherein the toilet sewage collecting well is communicated with an excrement sewer of a household of the residential area, a domestic sewage collecting well is established in the residential area, the domestic sewage collecting well is communicated with the domestic sewage sewer of the residential area, a livestock and poultry excrement collecting pool is established in a breeding area, the livestock and poultry excrement collecting pool is connected with a sewer of a colony house of the breeding area, garbage pools are established in the residential area, so that garbage in the residential area is collected, field straws are accumulated beside a road, and the collecting range of the toilet sewage, the domestic sewage, the livestock and poultry excrement, the domestic garbage and the straws is within 7.5km of the periphery of a resource conversion station, so that the collection is convenient;
transporting the toilet sewage in the toilet sewage collecting well, the domestic sewage in the sewage collecting well and the livestock and poultry excrement in the livestock and poultry excrement collecting pool to a resource conversion station by using a liquid material transport vehicle, transporting the domestic garbage in the garbage pool and the straws accumulated beside the road to the resource conversion station by using a solid material transport vehicle, wherein the frequency of collecting the toilet sewage, the domestic sewage and the livestock and poultry excrement in a residential area by using the liquid material transport vehicle is once a day, and the frequency of collecting the domestic garbage by using the solid material transport vehicle is once a day;
step three, carrying out solid-liquid separation on the toilet sewage and the livestock and poultry manure to obtain mixed liquid and manure residues, and conveying the domestic sewage into an aerobic tank for aerobic treatment;
step four, introducing the mixed liquor into an acidification adjusting tank for stirring, stirring for 2 ~ 3 hours, heating the mixed liquor in the acidification adjusting tank, controlling the temperature to be 26 ~ 45 ℃ and the pH value to be 6.8 ~ 7.4.4, and conveying the domestic sewage subjected to good culture treatment to a culture area by a liquid material transport vehicle for washing a colony house of the culture area;
step four, crushing the straws to each section of 10 ~ 15cm, conveying the crushed straws to an anaerobic fermentation tank through a conveying system, introducing the mixed liquor with the adjusted pH value into the anaerobic fermentation tank through a pipeline for anaerobic fermentation, burning the domestic garbage to heat the anaerobic fermentation tank, and keeping the temperature of the anaerobic fermentation tank between 25 and 25 ~ 35 ℃;
step five, introducing biogas residues generated after fermentation and manure residues obtained after solid-liquid separation into a mixing tank for mixing to form an organic fertilizer;
and step six, conveying the organic fertilizer formed in the mixing tank to the field for composting through a solid material transport vehicle.
Liquid material transport vechicle carries domestic sewage, lavatory sewage, animal manure to resource conversion station, then transports the domestic sewage of handling in the resource conversion station to the residential area and is used for washing the colony house, has realized recycling of resource, and liquid material transport vechicle comes and goes the in-process and all carries the weight, has realized the maximize utilization of resource, and is same, solid material transport vechicle collects domestic waste and straw to resource conversion station, then transports the fertilizer of resource conversion station to the field, and whole no-load operation has improved resource utilization.
Taking a resource conversion station with construction scale of 30000m as an example, the resource conversion station has a raw material collection range within 7.5km and a radius within 7.5km, about 20 ten thousand pigs are slaughtered every year, 12 ten thousand mu of straw is planted, 1 ten thousand to 2 ten thousand households of residents, livestock and poultry manure, straw and toilet sewage are treated and guided into an anaerobic fermentation tank in the resource conversion station, the detention period in the anaerobic fermentation tank is 30d, anaerobic feeding is 1000t/d, the volumetric gas production rate is 0.8, the daily yield of biogas is 24000m, the resource conversion station can drive a peripheral 1000 mu facility greenhouse and 20000 mu field planting, 4 solid material transport vehicles are needed, 5 liquid material transport vehicles are needed, the carrying capacity of the solid material transport vehicles is 5 tons, and the carrying capacity of the liquid material transport vehicles is 15 tons, so that various wastes and the transport efficiency of the transport vehicles can be rapidly cleaned without accumulation, and the transport efficiency of the transport vehicles can be improved, the utilization maximization is achieved.
Verified that the optimal processing radius of a resource conversion station with the scale of 30000m is 7.5km and exceeds 7.5km, the generated cost is overhigh, the radius is too short, the efficiency of the resource conversion station is reduced, the fermentation time of the mixed liquid and the straws in the anaerobic fermentation tank is proved to be better to be 30 days, the following table shows the table of the change of the fermentation time and the gas production rate of each component in the raw materials along with the time,
the TS concentration of materials in the anaerobic fermentation tank is controlled to be 8% -12%, the anaerobic temperature is controlled to be 25-35 ℃, the anaerobic period is 30 days, the gas production rate is 1:1, after the anaerobic fermentation is finished, the materials in the anaerobic fermentation tank are subjected to solid-liquid separation through a solid-liquid separator, the separated biogas slurry is conveyed to a planting greenhouse through a liquid material transport vehicle for biogas slurry fertilization, biogas residues are conveyed to the field through a solid material transport vehicle for composting, and the biogas residues are used as base fertilizers and soilless culture mechanisms after 48 hours of composting.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (4)
1. A livestock and poultry manure energy regeneration and fertilizer treatment method is characterized by comprising the following steps: the method comprises the following steps:
establishing a toilet sewage collecting well in a residential area, wherein the toilet sewage collecting well is communicated with an excrement sewer of a household of the residential area, a domestic sewage collecting well is established in the residential area, the domestic sewage collecting well is communicated with the domestic sewage sewer of the residential area, a livestock and poultry excrement collecting pool is established in a breeding area, the livestock and poultry excrement collecting pool is connected with a sewer of a colony house of the breeding area, and a garbage pool is established in the residential area to accumulate field straws to the roadside for collecting domestic garbage of the residential area;
transporting the toilet sewage in the toilet sewage collecting well, the domestic sewage in the sewage collecting well and the livestock and poultry manure in the livestock and poultry manure collecting pool to a resource conversion station by using a liquid material transport vehicle, and transporting the domestic garbage in the garbage pool and the straws accumulated beside the road to the resource conversion station by using a solid material transport vehicle;
step three, carrying out solid-liquid separation on the toilet sewage and the livestock and poultry manure to obtain mixed liquid and manure residues, and conveying the domestic sewage into an aerobic tank for aerobic treatment;
step four, introducing the mixed liquor into an acidification adjusting tank for stirring for 2 ~ 3 hours, heating the mixed liquor in the acidification adjusting tank, controlling the temperature to be 26 ~ 45 ℃ and the pH value to be 6.8 ~ 7.4.4, and conveying the domestic sewage subjected to the aerobic treatment to a culture area by a liquid material transport vehicle for washing a colony house of the culture area;
step four, crushing the straws to each section of 10 ~ 15cm, conveying the crushed straws to an anaerobic fermentation tank through a conveying system, introducing the mixed liquor with the adjusted pH value into the anaerobic fermentation tank through a pipeline for anaerobic fermentation, burning the domestic garbage to heat the anaerobic fermentation tank, and keeping the temperature of the anaerobic fermentation tank between 25 and 25 ~ 35 ℃;
step five, introducing biogas residues generated after fermentation and manure residues obtained after solid-liquid separation into a mixing tank for mixing to form an organic fertilizer;
and step six, conveying the organic fertilizer formed in the mixing tank to the field for composting through a solid material transport vehicle.
2. The livestock and poultry manure energy regeneration and fertilizer treatment method according to claim 1, which is characterized in that: the collection range of the toilet sewage, the domestic sewage, the livestock and poultry manure, the domestic garbage and the straws is within 7.5km around the resource conversion station.
3. The livestock and poultry manure energy regeneration and fertilizer treatment method according to claim 1, which is characterized in that: the frequency of collecting the toilet sewage, the domestic sewage and the livestock and poultry manure in the residential area by the liquid material transport vehicle is once a day.
4. The livestock and poultry manure energy regeneration and fertilizer treatment method according to claim 1, which is characterized in that: the frequency of collecting the household garbage by the solid material transport vehicle is once a day.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910867210.3A CN110642487A (en) | 2019-09-12 | 2019-09-12 | Livestock and poultry manure energy regeneration and fertilizer treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910867210.3A CN110642487A (en) | 2019-09-12 | 2019-09-12 | Livestock and poultry manure energy regeneration and fertilizer treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110642487A true CN110642487A (en) | 2020-01-03 |
Family
ID=68991816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910867210.3A Pending CN110642487A (en) | 2019-09-12 | 2019-09-12 | Livestock and poultry manure energy regeneration and fertilizer treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110642487A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070029243A1 (en) * | 2002-04-09 | 2007-02-08 | Institut National De La Recherche Scientifique | Methods and apparatus for treating animal manure |
| CN102268462A (en) * | 2011-04-25 | 2011-12-07 | 北京愿景宏能源环保科技发展有限公司 | Integrated utilization method of agricultural and pastoral waste |
| CN102531286A (en) * | 2011-12-31 | 2012-07-04 | 浙江爱迪曼水科技有限公司 | System for ecologically treating aquaculture wastewater |
-
2019
- 2019-09-12 CN CN201910867210.3A patent/CN110642487A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070029243A1 (en) * | 2002-04-09 | 2007-02-08 | Institut National De La Recherche Scientifique | Methods and apparatus for treating animal manure |
| CN102268462A (en) * | 2011-04-25 | 2011-12-07 | 北京愿景宏能源环保科技发展有限公司 | Integrated utilization method of agricultural and pastoral waste |
| CN102531286A (en) * | 2011-12-31 | 2012-07-04 | 浙江爱迪曼水科技有限公司 | System for ecologically treating aquaculture wastewater |
Non-Patent Citations (3)
| Title |
|---|
| 姚俊等: "《村镇规划百问百答》", 31 August 2011, 浙江工商大学出版社 * |
| 程炜等: "《江苏省"十一五"环境保护战略研究》", 31 August 2009, 河海大学出版社 * |
| 贺延龄等: "《环境微生物学》", 30 April 2001, 中国轻工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101709004B (en) | Method for comprehensively treating livestock waste and utilizing resource | |
| CN101955382A (en) | Treatment method and treatment system of food wastes | |
| CN103265154A (en) | Resource utilization and comprehensive treatment process for sewage and manure generated during cultivation | |
| CN102336508A (en) | Method and system for quickly dehydrating and recycling municipal sewage sludge | |
| CN105660428A (en) | Mechanized belt type conveying and automatic excrement drying and removing process and device | |
| CN102249758A (en) | Comprehensive utilizing method of novel organic fertilizer processed from livestock and poultry excrement and constructed wetland | |
| CN109052897A (en) | A kind of method that animal waste Treatment and recovery utilizes | |
| CN102674651A (en) | Feces treatment system and feces treatment method with methane project as link | |
| CN102976809B (en) | Planetary type full-automatic sludge aerobic fermentation device and system | |
| CN100537061C (en) | Garbage processing device | |
| CN100389097C (en) | Assembled movable manure producing and energy source utilizing apparatus | |
| CN107857451A (en) | A kind of technique for producing biogas using livestock and poultry solid manure | |
| CN102320714B (en) | Method and system for recycling wastes | |
| CN105645698A (en) | High-concentration organic wastewater purifying system and technical process | |
| CN106148171B (en) | A kind of device and application method of straw degradation and anaerobic ferment for methane | |
| CN112044926A (en) | Method for preparing breeding feed by using organic garbage | |
| CN219752189U (en) | Aerobic composting room | |
| CN111974783A (en) | Method for treating organic garbage by using earthworms | |
| CN103947561A (en) | Disposable feces treatment system with energy-saving, environment-friendly and ecologic recycling functions | |
| CN111072244A (en) | Comprehensive utilization method of large-scale dairy farm waste | |
| CN111170585A (en) | Fermentation system and fermentation method for livestock and poultry manure recycling treatment engineering | |
| CN208898709U (en) | A kind of centralized processing of animal waste utilizes system | |
| CN216039325U (en) | Livestock and poultry manure resource utilization complete system | |
| CN105180171A (en) | Garbage treatment method and garbage treatment equipment | |
| CN109133555A (en) | A kind of Feces of Beef Cattle resource comprehensive utilization process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200103 |