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Agriculture is the basic industry of China's national economy. With the popularization of farmland soil improvement work in various provinces, the replacement of chemical fertilizers with organic fertilizers will be the top priority. In the process of soil improvement and restoration, the role of organic fertilizers will inevitably increase. Especially among many fertilizers, organic fertilizer is a fertilizer worthy of vigorous promotion.
Especially bio-organic fertilizer is produced by adding functional beneficial microbial flora before and after the organic raw materials are fully matured. Different from traditional farmyard manure, bio-organic fertilizer is decomposed at high temperature and does not contain harmful bacteria and insect eggs, avoiding the disadvantages of farmyard manure, such as easy burning of seedlings, smelly smell, and many pests and diseases.
The market share of organic fertilizers is increasing year by year. According to market conditions, the client of this 7-8t/h horse manure poultry chicken manure pig manure organic fertilizer production project, Hunan Sinong Biotechnology Co., Ltd., invested 12 million yuan (1884000USD) to build a bio-organic fertilizer construction project with an annual output of 20,000 tons.
This 20,000-ton annual bio-organic fertilizer production line project covers an area of about 10 acres and a total construction area of 4,200㎡. The horse pig chicken manure organic fertilizer production line project is mainly for mixing, composting, fermentation, and crushing of livestock and poultry manure, mushroom residue, starter, etc., and then through screening, packaging and other bio-organic fertilizer processes.
The bio-organic fertilizer production line project is limited to 12 workers, one shift per day, 8 hours per shift, 330 days of work per year. It can be calculated that the output of this bio-organic fertilizer production line project is 7-8t/h, 60-61t/d, 1666t/m.
The horse pig chicken manure organic fertilizer production line project leases a local factory, builds a new organic fertilizer production line with an annual output of 20,000 tons, and builds corresponding supporting facilities.
The leased area of the horse pig chicken manure organic fertilizer production line project is about 10 acres (about 6666.7㎡), and the construction area is about 4200㎡, including 800㎡ of fermentation workshop, 300㎡ of packaging area, 300㎡ of crushing area, 400㎡ of finished product warehouse, 400㎡ of raw material warehouse, and mushroom residue storage area, 220㎡ (factory shed structure), 100㎡ for supporting buildings (1st floor, steel frame structure), 630㎡ for office area (2nd floor, brick-concrete structure), and 1050㎡ for living area (3rd floor, brick-concrete structure).
Fermentation workshop of the organic fertilizer producing line
| Project Type | Project Content | Building area | Notes |
|---|---|---|---|
| Main project | Fermentation Workshop | 1st floor, closed brick-concrete structure with a building area of about 400㎡. | Build on existing |
| Broken Zone | 1st floor, closed brick-concrete structure with a building area of about 300㎡. | ||
| Packaging Workshop | 1st floor, closed brick-concrete structure with a building area of about 300㎡. | ||
| Auxiliary project | Office Area | Second floor, closed brick-concrete structure, with a building area of about 630㎡. | Build on existing |
| Living Area | Three-storey, closed brick-concrete structure, with a building area of about 1050m2 | ||
| Companion Room | 1st floor, steel frame structure, building area about 100㎡. | ||
| Mushroom residue storage area | 1st floor, factory shed structure, construction area is about 220㎡. | ||
| Raw Material Warehouse | 1st floor, closed brick-concrete structure with a building area of about 400㎡. | ||
| Finished Goods Warehouse | 1st floor, closed brick-concrete structure with a building area of about 400㎡. |
| Name | Capacity | Packaging Specifications |
|---|---|---|
| Bio-Organic Fertilizer | 20,000t/a | 25kg-40kg/bag |
| Item | Metrics |
|---|---|
| Organic mass fraction (calculated on a drying basis) | ≤45 |
| The mass fraction of total nutrients (N+P2O5+K2O) (on dry basis)% | ≤5.0 |
| Moisture (H2O) mass fraction/% | ≤30 |
| pH (pH) | 5.5-8.5 |
| Total arsenic (As) (dry basis) mg/kg | ≤5 |
| Total tribute (Hg) (on dry basis) mg/kg | ≤2 |
| Total lead (Pb) (on dry basis) mg/kg | ≤50 |
| Total cadmium (Cd) (on dry basis) mg/kg | ≤3 |
| Total Chromium (Cr) (on dry basis) mg/kg | ≤150 |
| a. The total nutrient can be nitrogen, phosphorus, potassium or the sum of three or any of them. b. In addition to the indicators in the table, other indicators should meet the requirements of the corresponding product standards, such as compound fertilizer (compound fertilizer), chloride ion content in mixed fertilizer, biuret content in urea, etc. |
| Number | Manure processing machinery | Specifications | Quantity | Notes |
|---|---|---|---|---|
| 1 | Auto Packer Machine | - | 1 | For packaging process |
| 2 | Tuner | FDJ-3000 | 1 | |
| 3 | Poultry livestock manure mixing equipment | LJJI60×40.5kw | 1 | For the mixing process |
| 4 | Belt Conveyor | Dt500 2.2kw | 1 | For the conveying process |
| 5 | Compost fertilizer pellets machine | MZLH420 11kw | 1 | For pelleting process |
| 6 | Sifter | 1.5m×4m | 1 | For the screening process |
| 7 | Forklift | One each for 3t and 2t | 2 | - |
| 8 | Transporter | - | 1 | - |
| 9 | Loader | - | 1 | - |
The leased site of this horse pig chicken manure fertilizer complete production line project was originally a machine repair shop. The construction period is only for equipment installation work, and the amount of engineering is small.
The production process of organic fertilizer requires harmlessness and reduction, that is, when the harmless indicators such as insecticidal and sterilization are achieved, water is removed to reduce the moisture content of organic raw materials to below 30%. The purpose is to reduce production costs as much as possible and provide product quality.
Product warehouse of the organic fertilizer producing line
This pig horse chicken manure fertilizer complete production line project adopts stack fermentation. Mix the collected livestock and poultry manure, mushroom residue and other materials with the fermentation bacteria evenly, spread them in rows and pile them into long stacks with a width of about 2m and a height of about 0.5m. The length can be determined according to the length of the fermentation workshop. Structure, closed workshop.
The machine can be turned over once every 2-5 days to provide oxygen, heat dissipation and evenly ferment the material. If the material is found to be too dry during fermentation, water should be sprayed during the turning to ensure smooth fermentation.
In order to speed up the fermentation, ventilation pipes can be laid at the bottom of the stacking bar to increase the oxygen supply. Natural fermentation The fermentation time is about 5 days, and after fermentation, an active organic fertilizer with a moisture content of 30% can be produced.
The mature fertilizer after fermentation is crushed, pelletized by fertilizers pellet making machine, screened and measured and packaged into finished organic fertilizer, and the organic fertilizer is sold out.
The moisture content of aerobic compost materials is generally maintained at 45-65%. If the moisture content is too large, the oxygen content in the material gap cannot meet the oxygen demand of microorganisms.
If the moisture content is too small, the fluidity of soluble organic matter will change. poor, preventing the supply of nutrients to microorganisms.
Actual ventilation time for aerobic composting is controlled based on heap temperature measurements. In the initial stage, the number of turnings can be reduced, which is beneficial to the increase of the heap temperature.
When the temperature reaches about 65°C, the heap should be turned over in time, so that the heap temperature will not exceed 70°C. When the temperature is above 70°C, the beneficial microorganisms dormant, die in a spore state, and become active.
Mushroom residue stacking area of the organic fertilizer producing line
During the composting process, the pH value of the material will change with different fermentation stages, but it has the ability to adjust itself.
The pH value between 5 and 8 has no effect on the compost. If it deviates from this range, the material should be adjusted, such as mixing into the finished compost.
Generally controlled at about 25, if it is not suitable, it should be adjusted by mixing with other materials.
| Name | Annual consumption | Packaging | Notes | |
|---|---|---|---|---|
| Ingredients | Poultry and livestock manure | 20000t | Bulk | Mainly pig manure and chicken manure (Also supplemented with horse manure), about 10,000t of pig manureand about 10,000t of chicken manure, all of which are cooked raw materials with a moisture content of more than 50%; outsourcing |
| Accessories | Mushroom residue | 4000t | Bulk | Outsourcing |
| Humic acid | 2000t | Bulk | Outsourcing | |
| Other Additives | 2000t | Bag | Including starter, biological bacteria, etc. | |
It is mainly composed of 10 genera and 80 kinds of beneficial microorganisms in seven categories of microorganisms including photosynthetic bacteria, lactic acid bacteria, yeast, acetic acid bacteria, bifidobacteria, actinomycetes, and Bacillus.
The starter is an organic material decomposing agent, which can decompose protein, cellulose, hemicellulose, lignin, etc., and compound bacteria and fungi.
The organic fertilizer starter has a high content of effective viable bacteria and strong degradation ability. To achieve the effect of warming, deodorizing, eliminating pests and diseases, weed seeds and improving nutrients.
Under suitable conditions, it can rapidly decompose and mineralize carbon, nitrogen, phosphorus, potassium, sulfur, etc. in the pile to form simple organic matter, which is further decomposed into nutrients that can be absorbed by crops.
Also known as Nitrohumic Acid. It has a buffering effect on alkaline soil, so it is used as an acid regulator in rice seedling fields to reduce soil pH from 8 to 6 to 6.5. It has inhibitory effect on urease in soil and can improve the utilization rate of urea.
It can improve the soil aggregate structure, increase the amount of soil substitution, delay the passivation of phosphorus, and have the effect of storing and maintaining fertilizer. Its soluble salt has a broad-spectrum regulating effect on plant growth, can promote root development, improve crop stress resistance, increase nutrient absorption, and is beneficial to crop growth.
Therefore, it can also be mixed with humic acid compound fertilizer as one of the active ingredients; or converted into ammonium salt or potassium salt for agricultural and non-agricultural applications.
Humic acid is the remains of animals and plants, mainly the remains of plants, which have been decomposed and transformed by microorganisms, as well as a series of chemical processes and accumulated organic substances of geochemistry.
It is a macromolecular organic acid composed of aromatics and various functional groups. It has good physiological activity and functions such as absorption, complexation and exchange. Humic acid contains 70% organic matter and 20% water content.
The poultry livestock manure purchased by the horse pig chicken manure organic fertilizer production line project is transported in a covered and airtight manner, and the transport route avoids concentrated residential areas to ensure that it will not affect the ecological environment along the transport road.
The electricity for this bio-organic fertilizer production line project is supplied by the local power station.
The water used in this fertilizer production line project is mainly domestic water, the bio-organic fertilizer production line project water is mainly tap water, and the domestic water consumption is 316.8m³/a.
The canteen wastewater is treated with the grease trap and the domestic wastewater is treated with a three-stage septic tank. After treatment, the manure residue is used for agricultural fertilizer, and the manure liquid can be used for surrounding watering without being discharged.
The fertilizer production line has fermentation workshop, raw material warehouse, finished product warehouse, crushing and screening area, packing area, living area and office area.
From south to north, the west of the organic fertilizer production project is the raw material warehouse, the fermentation workshop, the mushroom residue storage area and the living area; the east of the organic fertilizer production project is the packing area, the crushing and screening area, the finished product warehouse, the office area, and the supporting rooms from south to north.
The living area in the organic fertilizer production project is not in the same area as the production area, and the finished product warehouse is close to the organic fertilizer production project entrance, which is convenient for transportation.
The moisture content of the mature fertilizer after fermentation of the bio-organic fertilizer production line project is still about 30%, which is a wet material. The blanking points and belts in the crushing and screening stage of the organic fertilizer production project are all closed, and the crushing and screening process basically does not produce dust.
The main sources of waste gas pollution in the organic fertilizer production project are the dust produced by the storage of auxiliary materials, the dust produced by mixing and stirring, and the waste gas of organic fertilizer composting.
The moisture content of livestock and poultry manure imported into the bio-organic fertilizer production line project is about 55%, and no dust will be produced during unloading; the auxiliary materials such as mushroom residue and humic acid are in bulk and have been watered before entering the bio-organic fertilizer production line, so they are semi-wet materials, and dust will be generated during unloading.
The amount of dust is small, and the dust generated by the loading and unloading of auxiliary materials of the bio-organic fertilizer production line project shall be sprayed for dust reduction. The raw material storage yard of the bio-organic fertilizer production line project is closed, and basically no dust is generated during the storage process.
During the production of organic fertilizers, a small amount of dust will be generated during the mixing and stirring of livestock and poultry manure, mushroom residue and starter, and the amount of dust generated is 0.01% of the amount of raw and auxiliary materials.
The amount of raw and auxiliary materials in the bio-organic fertilizer production line project is 28,000t/a, and the amount of dust generated during the mixing process is 2.80t/a.
The mixing and stirring process is carried out in a closed workshop, the moisture content of the raw material itself is about 55%, and the mixing process is planned to use spray dust reduction, which can reduce the dust emission by 80%, and the fugitive dust emission is 0.56t/a .
The bio-organic fertilizer production line project mixes the collected livestock and poultry manure, mushroom residue and other materials with fermenting bacteria evenly, and then adopts the stack-type fermentation. During the fermentation process, there will be a certain odor, and the odor is mainly H2S and NH3.
According to the existing example of livestock and poultry manure biocomposting in an organic fertilizer production plant we provided for our customers, generally after 24 hours of composting and fermentation, the odor began to decrease, and it decreased significantly after 48 hours, and basically no odor after 4 days.
Therefore, during the composting process of each batch, there will be obvious odor pollutants only in the first few days, and the odor effect will last for a short time. The amount of NH30.8~1.2kg per 100t of chicken manure in the stacking and aging process is about 0.3~0.5kg, and the amount of H2S is about 0.3~0.5kg.
The amount of pollutants is about 0.2~0.4kg; the amount of pollutants generated during the stacking and aging process of pig manure is calculated with reference to chicken manure.
Therefore, the amount of NH3 produced per 100t of livestock and poultry manure in the stacking and aging process of this organic fertilizer production plant project is calculated as 1kg, and the amount of H2S is calculated as 0.4kg; the amount of NH3 generated per 100t of livestock and poultry manure in the natural fermentation process is calculated as 1kg, and the amount of H2S generated In 0.3kg.
There is no need to add water in the production process of this organic fertilizer production plant project, and the moisture content of raw materials can meet the requirements, so there is no production wastewater in this organic fertilizer production plant project.
The domestic wastewater of organic fertilizer production plant project employees refers to the water quota stipulated in "Water Quota" (DB43/T388-2014), and the water quota for employees who eat lunch in the organic fertilizer production plant factory area is 80L/person.d.
There are 12 employees in this project, all of whom eat in the organic fertilizer production plant factory. Lunch, but no accommodation, so the domestic water consumption is 0.96m³/d, 316.8m³/a. The domestic wastewater production takes 80% of the water consumption, and the domestic wastewater discharge is 0.77m³/d and 254.1m³/a.
The organic fertilizer production plant project relies on the existing three-stage septic tank in the leased building. After the canteen wastewater is treated by the grease trap, it is treated with the domestic wastewater one to three-stage septic tank. The treated manure is used for agricultural fertilizer, and the manure can be used for Water around, not outside.
The solid wastes generated during the production process of the organic fertilizer production plant project are mainly auxiliary materials, waste packaging bags of starter and unqualified packaging bags produced during the product packaging process.
The number of employees in the organic fertilizer production plant project is 12. The domestic waste generated in the organic fertilizer production plant is calculated at 0.5kg/person per day. The annual production is 330 days, and the domestic waste generation is 1.98t/a. deal with.
A small amount of waste oil will be generated during the maintenance of the organic fertilizer production plant project's organic fertilizer making machine, with an output of about 0.2t/a. After collection, it will be temporarily stored in the hazardous waste temporary storage room, and then handed over to a qualified unit for disposal.
The organic fertilizer production plant project plans to build a 5m2 hazardous waste temporary storage room in accordance with the requirements of the "Hazardous Waste Storage Pollution Control Standard" to temporarily store a small amount of waste oil generated during maintenance.
The main noise sources of this organic fertilizer production plant project are mechanical equipment such as manure mixers, crushers, and screening machines. The noise type is mainly mechanical equipment noise, mainly in the middle and low frequencies.
Bio-organic fertilizers are organic solid wastes (including organic waste, straw, human, livestock, poultry manure, cakes, agricultural and sideline products and solid wastes from food processing) which are fermented, deodorized and completely decomposed by microorganisms.
The resulting organic fertilizer is rich in a variety of functional microorganisms and rich in trace elements, which can improve the soil structure and play a role in nutrition, conditioning and health care for crop growth.
Bio-organic fertilizers have complete nutrient elements, which can improve soil, improve soil compaction caused by the use of chemical fertilizers, improve soil physical and chemical properties, and enhance soil water retention, fertilizer retention, and fertilizer supply capabilities.
The beneficial microorganisms in the bio-organic fertilizer enter the soil to form a mutual symbiotic relationship with the microorganisms in the soil, inhibit the growth of harmful bacteria and convert them into beneficial bacteria, interact and promote each other, and play a synergistic role in the group.
In the process of growth and reproduction, a large number of metabolites are produced to promote the decomposition and transformation of organic matter, which can directly or indirectly provide crops with a variety of nutrients and stimulatory substances, and promote and regulate crop growth.
Increase soil porosity, permeability and exchangeability and plant survival rate, increase beneficial bacteria and soil microorganisms and populations.
At the same time, the dominant beneficial flora formed in the root system of crops can inhibit the reproduction of harmful pathogenic bacteria, enhance the ability of crops to resist stress and disease, and reduce the disease index of continuous crops.
It reduces environmental pollution, is safe and non-toxic to humans, animals and the environment, and is an environmentally friendly fertilizer.
Conditioning the soil, activating the microbial activity rate in the soil, overcoming soil compaction, and increasing soil air permeability.
Reduce water loss and evaporation, reduce the pressure of drought, maintain fertilizer, reduce chemical fertilizers, reduce salinity damage, improve soil fertility under the condition of reducing the amount of chemical fertilizers or gradually replacing chemical fertilizers, and make food crops, cash crops, vegetables, melons and fruits. Class production increased substantially.
Improve the quality of agricultural products, the fruits are bright in color, neat in size, and concentrated in maturity. The sugar and vitamin content of melon agricultural products have been improved, and the taste is good, which is conducive to expanding exports and raising prices.
Improve the agronomic traits of crops, make the stems of the crops thick, the leaves are dark green, the flowering is earlier, the fruiting rate is high, the fruit is good commercial, and the time to market is earlier.
Enhance crop disease resistance and stress resistance, reduce crop diseases and soil-borne diseases caused by continuous cropping, and reduce the incidence rate; it has a good effect on the control of mosaic disease, black shank, anthracnose, etc. , while enhancing the comprehensive defense capability of crops against adverse environments.
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