CN102060584B - Fermentation technology for organic fertilizer - Google Patents
Fermentation technology for organic fertilizer Download PDFInfo
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- CN102060584B CN102060584B CN2010105604442A CN201010560444A CN102060584B CN 102060584 B CN102060584 B CN 102060584B CN 2010105604442 A CN2010105604442 A CN 2010105604442A CN 201010560444 A CN201010560444 A CN 201010560444A CN 102060584 B CN102060584 B CN 102060584B
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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
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- 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 fermentation technology for an organic fertilizer, comprising the following steps: after different fermentation materials are metered, causing the materials to enter a blender mixer; adding the mixture into a mobile automatic material distribution device to be distributed into a fermenting vat; turning and throwing everyday in the fermenting vat to guarantee the fermentation speed; after reaching the fermentation period of the organic fertilizer, carting, carrying out secondary material distribution to a secondary fermenting vat; and fermenting to obtain the organic fertilizer. In the fermentation technology, no forklifts are required to distribute and discharge materials, thus eliminating the mechanical loss brought by forklift operation, improving the product yield, and eliminating the pollution on the production environment by the forklift. All technical control points in the device can be automatically controlled by a programmable logical control (PLC) system, thus the manual production cost is lowered, the operation environment is improved, and the production continuity is guaranteed. Various different organic fertilizer varieties can be stored in bulk for providing guarantee for product diversification. The pressure for a product library can be lowered, and temporary packaging or formula packaging can be carried out as required.
Description
Technical field
The present invention relates to the fertilizer production technology field, specifically a kind of fermentation technology for organic fertilizer.
Background technology
Organic fertilizer is to utilize the various organic substances of occurring in nature, and by a kind of organic fertilizer that obtains after the microbiological treatment fermentation, the fertilizer that the traditional compost treatment agricultural organic matter of Chinese countryside oneself obtains is known as farm manure.The through engineering approaches of fertilizer progressively forms, and to mechanize, large-scale development, present situation technique is take deep layer, aerobic fermentation process as main.
Existing fermentation technology for organic fertilizer is the satisfactory organic raw material of fineness, fermenting agent, water to be put into mixer in proportion mix, be transported in the fermentation vat through conveyor (forklift) and ferment, constantly give fermenting process oxygen supply (oxygen－deficient the time, starting the Aeration fan oxygen supply), the control temperature of fertilizer by turnover throwing machine, finish through left and right sides secondary fermentation in 20 days, be transported to again in the fertilizer stockyard and pack.This technical process discharging and feeding manner because of the form Different Effects of turnover throwing machine, simply turnover throwing machine is divided into two kinds of material moving type and material original place mixing types.Material original place mixing type: when working such as the auger turnover throwing machine material is not produced displacement, material all needs forklift or other machinery just can finish into and out of fermentation vat, need to finish once the turnover of all materials in the fermentation vat, this method can not realize continuously feeding and discharging.Material moving type: when working such as the chain-plate type turnover throwing machine material is produced displacement, the specification that how much depends mainly on turnover throwing machine of displacement.Material moving type fermentation vat can be realized the continuity of charging and discharging, and the feed process that this method adopts at present is mainly take forklift with manually as main, and discharging has forklift discharging and belt discharging.The deficiency of present situation technique is: a. technique is discontinuous, can't realize automatic control, and operator are intensive; B. use fuel oil machinery forklift as transloading equipment, caused the pollution to the production operation environment, strengthened production cost; C. the utilization of area rate is low, and cost of labor is large; D. the product mechanical loss is large, has both strengthened product cost, forms again the pollution of production environment.
Summary of the invention
The purpose of this invention is to provide ten thousand ton/years of fermentation technology for organic fertilizers of a kind of 2-20 from batching to batch mixing, fermentation vat, mobile automatic distributing, turn over throwings, mobile self-emptying, transhipment, Secondary Fermentation cloth, Secondary Fermentation and storage, Secondary Fermentation and move self-emptying again to the fermentation technology for organic fertilizer of the whole process of packing.
Technical scheme of the present invention is:
1, produce needed fermentation materials not of the same race respectively the feed bin by separately behind the metering screw automatic gauge, join in the fermentation materials transhipment belt, fermentation materials is transported to mixer more afterwards, set the water yield that needs adding by the fermentation materials amount that drops into, water is fully mixed with fermentation materials in mixer, the control adoption rate of the water yield and fermentation materials is controlled automatically, mixed fermentation materials joins in the telescopic belt of mobile automatic distributing device by the self-emptying mouth of the lower end of mixer, be transferred to again in the moving cloth belt of mobile automatic distributing device, be distributed into the fermentation vat from the moving cloth belt;
2, turnover throwing machine carries out one every day in fermentation vat and turns over throwing to secondary, turn over and throw from the discharge end of fermentation vat, and finish at the cloth end, so repeatedly, until the fermentation materials of whole fermentation vat has turned over fully, turn over the temperature that the throwing process can the controlled fermentation material, keep simultaneously the required oxygen of fermenting process (assurance of the control of leavening temperature and the required oxygen that ferments); The work of turnover throwing machine impels fermentation materials regularly mobile regularly from intake zone to discharge zone, carries out starting off time the Aeration fan oxygenation of ventilating in the fermentation materials turning over to throw, and guarantees fermenting speed; Difference because of fermentation materials, the organic fertilizer fermentation cycle is generally at 15-20 days, the material of fermentation vat discharge end has been the fertilizer work in-process that become thoroughly decomposed, rout up by turnover throwing machine and to enter into the automated movement discharging car, under the automated movement discharging car, be furnished with outfeed belt, by outfeed belt material be transported into the Secondary Fermentation distribution device; The work of turnover throwing machine and charging and discharging realized automatic control fully, do not hinder mutually;
3, by mobile automatic distributing device material is distributed in the Secondary Fermentation pond, the cloth of Secondary Fermentation is also identical with the one time fermentation cloth, realizes completely automatically control.The Secondary Fermentation pond is also when the storehouse in bulk as the work in-process fertilizer, the material degree of depth in Secondary Fermentation pond can reach 3.5 meters, starting Secondary Fermentation turnover throwing machine ploughs under material in the mobile self-emptying car step by step when needing when producing and selling, and the belt of installing by mobile self-emptying car bottom is sent to packaging system or other production plant with fertilizer.The work of turnover throwing machine and discharging have realized automatic control fully.
The main technique index:
Fermentation materials water content: 50-60% weight percent
Fermentation materials carbon-nitrogen rate: 1: 25-30 weight ratio
Fermentation materials pH value: 6～8
Fermentation materials temperature: 50-60 ℃
The fermentation materials degree of depth: 1.2-2m.
Fermentation technology for organic fertilizer of the present invention and existing fermentation technology for organic fertilizer relatively have the following advantages:
1, do not use forklift cloth and discharging
Forklift cloth and discharging consume a large amount of fuel oils, and certain space is wasted in the simultaneously operation of forklift, also needs to increase the serviceman of forklift, keep the overwork amount of bringing also for the health in place.The tail gas of forklift has also produced the pollution to Working environment.Forklift cloth and discharging have increased energy consumption, have strengthened again cost.This technique has been eliminated the mechanical loss that the forklift operation brings, and has improved the product yield, eliminates the pollution that forklift causes production environment.
2, realize automatic control, separated fermentation zone and personnel operation district
All technology controlling and process points in the device can be realized automatically control by the PLC Controlling System, device has been realized successional production, reduces workman's labour intensity, deducts the staff in the organic fertilizer fermentation district, eliminates fermentation tail gas to the harm of the person.Reduce artificial production cost, improved operating environment.The transmission of the setting by the time and turnover throwing machine and cloth, drawing mechanism run signal is finally processed and is set by automatic control system, has guaranteed the normal operation of turnover throwing machine and cloth, drawing mechanism, guarantees the continuity of producing.
3, can realize in a Secondary Fermentation and depots that the in bulk of multiple different fertilizer kinds deposit, for product diversification provides guarantee.Greatly reduce the pressure of product library, the packing of can packing on demand temporarily or fill a prescription.
Description of drawings
Fig. 1 is technological process block-diagram of the present invention.
Fig. 2 is the structural representation of the mobile automatic distributing device among the present invention.
Fig. 3 is that the B of Fig. 2 is to view.
Fig. 4 is that the A of Fig. 3 is to view.
Among the figure, 1-Crane Rail, 2-motorized pulleys, the reversible distributing belt machine of 3-, 4-distributing belt, the driving of 5-cloth, 6-discharging telescopic belt machine, 7-motorized valve, 8-mixer feed opening, 9-mixer, support-10.
Embodiment
1, with produce needed fermentation materials not of the same race respectively the feed bin by separately behind the metering screw automatic gauge, join in the fermentation materials transhipment belt, producing the setting of load can directly input by computer, system just can move automatically, fermentation materials is transported to mixer more afterwards, set the water yield that needs adding by the fermentation materials amount that drops into, water is fully mixed with fermentation materials in mixer, the control adoption rate of the water yield and fermentation materials is controlled automatically, mixed fermentation materials joins in the telescopic belt of mobile automatic distributing device by the self-emptying mouth of the lower end of mixer, be transferred to again in the moving cloth belt of mobile automatic distributing device, be distributed into the fermentation vat from the moving cloth belt.
2, turnover throwing machine carries out one every day in fermentation vat and turns over throwing to secondary, turn over and throw from the discharge end of fermentation vat, and finish at the cloth end, so repeatedly, until the fermentation materials of whole fermentation vat has turned over fully, turn over the temperature that the throwing process can the controlled fermentation material, keep simultaneously the required oxygen of fermenting process (assurance of the control of leavening temperature and the required oxygen that ferments); The work of turnover throwing machine impels fermentation materials regularly mobile regularly from intake zone to discharge zone, carries out starting off time the Aeration fan oxygenation of ventilating in the fermentation materials turning over to throw, and guarantees fermenting speed; Difference because of fermentation materials, the organic fertilizer fermentation cycle is generally at 15-20 days, the material of fermentation vat discharge end has been the fertilizer work in-process that become thoroughly decomposed, rout up by turnover throwing machine and to enter into the automated movement discharging car, under the automated movement discharging car, be furnished with outfeed belt, by outfeed belt material be transported into the Secondary Fermentation distribution device; The work of turnover throwing machine and charging and discharging can realize automatic control, do not hinder mutually.
3, by mobile automatic distributing device material is distributed in the Secondary Fermentation pond, the cloth of Secondary Fermentation is also identical with the one time fermentation cloth, realizes completely automatically control.The Secondary Fermentation pond is also when the storehouse in bulk as the work in-process fertilizer, the material degree of depth in Secondary Fermentation pond can reach 3.5 meters, starting Secondary Fermentation turnover throwing machine ploughs under material in the mobile self-emptying car step by step when needing when producing and selling, and the belt of installing by mobile self-emptying car bottom is sent to packaging system or other production plant with fertilizer.The work of turnover throwing machine and discharging have realized automatic control fully.
Described mobile automatic distributing device structure is shown in Fig. 2,3,4, and mobile automatic distributing device is made of mixer 9, discharging telescopic belt machine 6, reversible distributing belt machine 3 and cloth driving 5, support 10 etc.; Mixer 9 and discharging telescopic belt 6 machines are fixed on the support 10, discharging telescopic belt machine 6 places the below of mixer feed opening 8, reversible distributing belt machine 3 places in the cloth driving 5, and reversible distributing belt machine 3 is positioned at the below of discharging telescopic belt machine 6, and there is motorized valve 7 at mixer feed opening place.Reversible distributing belt machine below is fermentation vat.This device can be equipped with the control that automatic control system is carried out batch mixing, charging, discharging and cloth.
Wherein, mixer is existing installation (drive unit that comprises batch mixing in it), reversible distributing belt machine is comprised of frame, drive unit, distributing belt and motorized pulleys 2, distributing belt connects motorized pulleys, and by motorized pulleys driving (method of the available prior aries of connection of all the other parts connects), reversible distributing belt machine places in the cloth driving; Discharging telescopic belt machine is comprised of conveyor, the pulley that is fixed on belt machine tail part, the belt pulley track that is fixed under the mixer, the head of telescopic belt machine 6 is fixedly connected in the cloth driving 5, the middle part is unsettled, the afterbody pulley places on the belt pulley track under the mixer, during cloth driving 5 operation, telescopic belt machine 6 slides under mixer, and the discharge port of maintenance mixer below at telescopic belt machine 6 up.
The motorized valve of telescopic belt and mixer discharge port adopts and is flexibly connected, telescopic belt feed opening and moving cloth belt also be flexibly connected, the moving cloth belt is at the track walking cloth of cloth driving and keep and being connected of telescopic belt feed opening, the traffic direction that moving cloth belt and cloth are driven a vehicle is in vertical direction.The movement of cloth driving match with the walking of distributing belt realize fermentation materials fermentation cloth district without the dead angle automatic distributing, motorized valve is used for the control turnover throwing machine and enters into behind the cloth district mobile automatic distributing device and need to leave cloth district time-out cloth and turnover throwing machine and leave behind the cloth district mobile automatic distributing device and need to enter the cloth district and reset cloth.
Major control technic index: (weight ratio)
Fermentation materials water content: 50% or 55% or 60%
Fermentation materials carbon-nitrogen rate: 1: 25 or 30
Fermentation materials pH value: 6 or 7 or 8
Fermentation materials temperature: be controlled at 50-60 ℃
The fermentation materials degree of depth: be controlled at 1.2m or 1.5m or 2.0m
Major equipment table look-up of the present invention (take 60,000 ton/years of fertilizer devices as the example major equipment)
| Sequence number | Device name | Specifications and models | Unit | Quantity | Remarks |
| 1 | Measuring chute | 1.4×1.4×1.6 | |
4 | |
| 2 | The 1# crusher | Platform | Quantity and specifications and models are decided by |
||
| 3 | Metering screw | LC400×1430 | |
4 | |
| 4 | Mixer | Φ1000×L3000 | Platform | 1 | Existing |
| 5 | Mobile automatic distributing device | Platform | 1 | Among the present invention | |
| 6 | Turnover throwing machine | L18000 | Cover | 2 | Existing installation |
| 7 | Mobile self-emptying car | L3×W2.4×H2 | Platform | 2 | Existing installation |
Claims (2)
1. fermentation technology for organic fertilizer is characterized in that being undertaken by following:
1) produce needed fermentation materials not of the same race respectively the feed bin by separately behind the metering screw automatic gauge, join in the fermentation materials transhipment belt, fermentation materials is transported to mixer more afterwards, set the water yield that needs adding by the fermentation materials amount that drops into, water is fully mixed with fermentation materials in mixer, the control adoption rate of the water yield and fermentation materials is controlled automatically, mixed fermentation materials joins in the telescopic belt of mobile automatic distributing device by the self-emptying mouth of the lower end of mixer, be transferred to again in the moving cloth belt of mobile automatic distributing device, be distributed into the fermentation vat from the moving cloth belt;
2) turnover throwing machine carries out one every day in fermentation vat and turns over throwing to secondary, turns over and throws from the discharge end of fermentation vat, and finish at the cloth end, so repeatedly, until the fermentation materials of whole fermentation vat has turned over fully, turn over the temperature of throwing the process control fermentation materials, keep simultaneously the required oxygen of fermenting process; The work of turnover throwing machine impels fermentation materials regularly mobile regularly from intake zone to discharge zone, carries out starting off time the Aeration fan oxygenation of ventilating in the fermentation materials turning over to throw, and guarantees fermenting speed; Reach organic fertilizer fermentation week after date, the material of fermentation vat discharge end has been the fertilizer work in-process that become thoroughly decomposed, rout up by turnover throwing machine and to enter into the automated movement discharging car, under the automated movement discharging car, be furnished with outfeed belt, by outfeed belt material is transported into the Secondary Fermentation distribution device; The work of turnover throwing machine and charging and discharging realized automatic control fully, do not hinder mutually;
3) by mobile automatic distributing device material is distributed in the Secondary Fermentation pond, the cloth of Secondary Fermentation is also identical with the one time fermentation cloth, fully automatically control; The Secondary Fermentation pond is also when the storehouse in bulk as the work in-process fertilizer, the material degree of depth in Secondary Fermentation pond reaches 3.5 meters, when producing and sell when needing, starting Secondary Fermentation turnover throwing machine ploughs under material in the mobile self-emptying car step by step, and the belt of installing by mobile self-emptying car bottom is sent to packaging system or other production plant with fertilizer.
2. fermentation technology for organic fertilizer claimed in claim 1 is characterized in that the main technique index is:
Fermentation materials water content: 50-60% weight percent
Fermentation materials carbon-nitrogen ratio: 1: 25-30 weight ratio
Fermentation materials pH value: 6～8
Fermentation materials temperature: 50-60 ℃
The fermentation materials degree of depth: 1.2-2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105604442A CN102060584B (en) | 2010-11-26 | 2010-11-26 | Fermentation technology for organic fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105604442A CN102060584B (en) | 2010-11-26 | 2010-11-26 | Fermentation technology for organic fertilizer |
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| CN102060584A CN102060584A (en) | 2011-05-18 |
| CN102060584B true CN102060584B (en) | 2013-03-20 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603380A (en) * | 2012-03-05 | 2012-07-25 | 厦门联南强生物环保科技有限公司 | High-efficient fermentation method of organic fertilizer and device thereof |
| CN106316474B (en) * | 2016-10-27 | 2022-11-18 | 威德环境科技股份有限公司 | Kitchen waste biogas residue composting treatment feeding system |
| CN106316489B (en) * | 2016-10-27 | 2022-11-18 | 威德环境科技股份有限公司 | Kitchen waste biogas residue composting treatment system |
| CN108083872A (en) * | 2017-11-14 | 2018-05-29 | 广东益康生环保设备有限公司 | Automate fermentation of organic wastes system |
| CN109400355B (en) * | 2018-11-20 | 2021-07-13 | 中山市承铭农业技术开发有限公司 | Multi-variety liquid water-soluble fertilizer production line and liquid water-soluble fertilizer production process |
| CN110563496A (en) * | 2019-10-10 | 2019-12-13 | 浙江天地环保科技有限公司 | Full-automatic organic fertilizer feeding and distributing device and control method |
| CN110885261A (en) * | 2019-11-13 | 2020-03-17 | 南京三美农业发展有限公司 | Fermentation production process of organic fertilizer |
| CN111056870B (en) * | 2020-01-18 | 2024-05-03 | 迪斯科科技集团（宜昌）有限公司 | Automatic production line for bio-organic fertilizer |
| CN114763512A (en) * | 2021-01-12 | 2022-07-19 | 王树岩 | A cloth turns over throws all-in-one for organic solid useless aerobic fermentation |
| CN114013950B (en) * | 2021-10-21 | 2023-05-02 | 中科博联(遵化)环保装备有限公司 | Intelligent solid organic material taking and feeding equipment and taking and feeding process |
| CN115894101A (en) * | 2022-11-07 | 2023-04-04 | 农业农村部规划设计研究院 | Composting reaction system and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583677A (en) * | 2003-08-20 | 2005-02-23 | 丁科峰 | Preparing and extracting method for biological manure secondary fermentation |
| CN201264972Y (en) * | 2008-08-22 | 2009-07-01 | 同济大学 | Novel distributor for sludge and garbage compost fermentation cabin |
| CN101723720A (en) * | 2010-01-20 | 2010-06-09 | 华南理工大学 | Method for preparing biological organic fertilizer by papermaking sludge |
| EP2218704A1 (en) * | 2009-02-16 | 2010-08-18 | KOMPOFERM GmbH | Fermentation assembly and method for operating the same |
| CN101838164A (en) * | 2010-04-23 | 2010-09-22 | 无锡市华通电力设备有限公司 | Mechanical production system for organic compound fertilizer |
-
2010
- 2010-11-26 CN CN2010105604442A patent/CN102060584B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583677A (en) * | 2003-08-20 | 2005-02-23 | 丁科峰 | Preparing and extracting method for biological manure secondary fermentation |
| CN201264972Y (en) * | 2008-08-22 | 2009-07-01 | 同济大学 | Novel distributor for sludge and garbage compost fermentation cabin |
| EP2218704A1 (en) * | 2009-02-16 | 2010-08-18 | KOMPOFERM GmbH | Fermentation assembly and method for operating the same |
| CN101723720A (en) * | 2010-01-20 | 2010-06-09 | 华南理工大学 | Method for preparing biological organic fertilizer by papermaking sludge |
| CN101838164A (en) * | 2010-04-23 | 2010-09-22 | 无锡市华通电力设备有限公司 | Mechanical production system for organic compound fertilizer |
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