CN202576273U - Ventilation intelligent control system for aerobic fermentation of compost - Google Patents

Ventilation intelligent control system for aerobic fermentation of compost Download PDF

Info

Publication number
CN202576273U
CN202576273U CN 201220249094 CN201220249094U CN202576273U CN 202576273 U CN202576273 U CN 202576273U CN 201220249094 CN201220249094 CN 201220249094 CN 201220249094 U CN201220249094 U CN 201220249094U CN 202576273 U CN202576273 U CN 202576273U
Authority
CN
China
Prior art keywords
compost
fermentation
control
ventilation
control system
Prior art date
Application number
CN 201220249094
Other languages
Chinese (zh)
Inventor
张海红
武占银
詹志彪
武嘉薇
张冬
朱晓红
马少斌
陈睿
Original Assignee
宁夏大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 宁夏大学 filed Critical 宁夏大学
Priority to CN 201220249094 priority Critical patent/CN202576273U/en
Application granted granted Critical
Publication of CN202576273U publication Critical patent/CN202576273U/en

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/11Specially adapted for crops
    • Y02A40/18Related to fertilizer management
    • Y02A40/20Sustainable fertilizers of biological origin
    • Y02A40/214Fertilizers from household or town refuse
    • Y02A40/216Biological compost
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
    • Y02W30/43Aerobic fermentation, e.g. composting

Abstract

The utility model relates to a ventilation intelligent control system for the aerobic fermentation of a compost, which is characterized by comprising at least one oxygen sensor, at least one temperature sensor and at least one humidity sensor which are inserted into a compost body, wherein the sensors are all electrically connected with a computer by a data acquisition module; and the computer is electrically connected with a fan by a controller so as to control to start or stop the fan. The system disclosed by the utility model is provided for overcoming the defect that in the aerobic fermentation process of the compost, the right-amount timely supply of the ventilation quantity cannot be implemented; the system aims to scientifically control the air supply quantity in the fermenting process of the compost and optimize the production process by utilizing a mathematical model according to the growth characteristics of microbial populations in different fermentation periods. The control system has simple structure and low cost; a single compost fermentation bin and a plurality of population fermentation bins can be subjected to intelligent integral control and unmanned operation; the compost fermenting efficiency is improved; and the quality of an organic fertilizer product is improved.

Description

用于堆肥好氧发酵的通风智能控制系统 Intelligent control system for ventilation aerobic fermentation of compost

技术领域 FIELD

[0001] 本实用新型涉及一种用于堆肥好氧发酵的通风智能控制系统。 [0001] The present invention relates to a ventilation intelligent control system for the aerobic fermentation of compost.

背景技术 Background technique

[0002] 堆肥化是有机固体废弃物实现无害化、减量化和资源化的有效途径。 [0002] Composting is an effective way to achieve organic solid waste harmless, minimization and resource-oriented. 如何加快物料分解,提早堆肥化进程,降低处理成本,而减少养分损失等是堆肥化应用于环境治理和生产优质有机肥亟待解决的重大课题。 How to speed up the decomposition of the material, Early composting process, reduce processing costs, and reduce nutrient losses are composting and the production of quality organic fertilizer used in environmental governance solved a major issue. 好氧发酵是目前堆肥发酵的最主要手段。 Aerobic fermentation is the most important means of composting fermentation. 好氧发酵是利用好氧微生物在好氧状态下对有机质进行的快速降解,因此,通风供氧是保证好氧发酵顺利进行的重要因素。 Aerobic fermentation is the use of rapid degradation of organic matter, aerobic microorganisms in the aerobic state, therefore, oxygen ventilation is an important factor to ensure the smooth conduct of aerobic fermentation. 通风可供给微生物新陈代谢所需的氧气,带走部分水分,同时可调整控制堆体温度。 Ventilation can be fed microbial metabolism of oxygen required, part of the water away, while controlling the adjustable temperature of the stack. 然而,由于在整个发酵过程中温度在不断变化,而随着温度的变化,微生物类群也处在一个不断进行的动态变化之中,这样微生物类群的需氧量也随之发生变化。 However, since the temperature is changing throughout the fermentation process, and as the temperature changes, but also in the microbial population in an ongoing dynamic changes, such microbial population oxygen requirement also will be changed. 如果通气量不足将抑制好氧微生物的活动,使发酵周期变长,影响生物有机肥的质量。 If the ventilation is insufficient to suppress the activity of aerobic microorganisms, the fermentation cycle becomes long, affecting the quality of bio-organic fertilizer. 如果通气太旺,微生物活动旺盛,有机质分解加剧,腐殖质积累减少,同时通气过于旺盛还会带走大量的热量,影响发酵温度。 If the ventilation is too busy, vigorous microbial activity, decomposition of organic matter increased, reducing the accumulation of humus, while ventilation is too strong would take away a lot of heat, affect the fermentation temperature.

[0003]目前的好氧发酵强制通风主要是人工控制方式,或以定时器控制风机的(风机)运行,或通过对温度的监测,控制通风量。 [0003] Current aerobic fermentation forced ventilation mainly manual control mode, or timer control fan (fan) operation, or by monitoring the temperature, the amount of controlled ventilation. 这些控制方式无法满足不同微生物种群、不同阶段对氧气的需求,难以做到生产过程通气量的适量适时供给,无法保证发酵过程的最优化操作。 These control methods can not meet the different microbial populations at different stages of the oxygen demand, the production process is difficult to achieve the timely supply an appropriate amount of ventilation, can not ensure the optimum operation of the fermentation process.

实用新型内容 SUMMARY

[0004] 本实用新型的目的是提供一种结构简单、成本低,能够对堆肥发酵过程进行通风,实现智能化控制的用于堆肥好氧发酵的通风智能控制系统。 [0004] The object of the present invention to provide a simple, low cost, possible to ventilate composting process, intelligent control system to achieve ventilation intelligent control for aerobic fermentation of the compost.

[0005] 一种用于堆肥好氧发酵的通风智能控制系统,其特别之处在于:包括插在堆肥体内的至少I个氧气传感器、至少I个温度传感器和至少I个水分传感器,所有传感器均通过数据采集模块与计算机电连接,而计算机通过控制器与风机电连接从而控制风机启动或停止。 [0005] A ventilation intelligent control system for the aerobic fermentation of compost, which is unique in that: the body comprises at least interposed compost I more oxygen sensors, temperature sensors at least I I and at least one water sensor, all sensors are module electrically connected to the computer through the data acquisition, and a computer connected to the wind turbine to control the electromechanical started or stopped by the controller.

[0006] 其中计算机采用带有人机界面的工控机,控制器采用PLC。 [0006] wherein the computer IPC with man-machine interface, the controller uses PLC.

[0007] 本实用新型的系统专门针对堆肥好氧发酵过程中,无法实现通风量适量适时供给的缺陷而提出的,旨在根据微生物种群在不同发酵时期的生长特性,利用数学模型科学控制堆肥发酵过程中可供气量,优化生产过程。 [0007] The present invention is a system designed for aerobic fermentation composting process, can not be put forward to achieve an appropriate amount of ventilation defects timely supply, designed according to the growth characteristics of microbial populations in different fermentation period, the use of mathematical models of scientific control composting process for gas, optimize production processes. 该控制系统结构简单、成本低,可对单个堆肥发酵仓以及多个群体式发酵仓进行智能化整体控制、无人化操作,提高堆肥发酵效率,提高有机肥产品品质。 The control system is simple, low cost, intelligent overall control, unmanned operation of a single compost bin and a plurality of groups of formula Fermentation Fermentation, composting improve efficiency, improve product quality organic fertilizer. 从而为农业废弃物的合理有效利用,堆肥发酵的精细化生产操作创造了条件。 Thus creating the conditions for the intensification of production operations rational and efficient use of agricultural waste, compost fermentation. 本实用新型的系统可根据堆肥原料的成分,微生物的种群,通过调整参数实现适量适时供气,实现最优化操作,也可通过参数的调整,将其应用于污泥发酵系统以及城市固体废弃物的减量化处理。 The system of the present invention may be composted according to the composition of the population of microorganisms, to achieve timely supply amount by adjusting the parameters to achieve the most optimal operation, the parameters can also be adjusted, which is applied to the sludge and municipal solid waste fermentation system the reduction process. 附图说明 BRIEF DESCRIPTION

[0008] 附图I为本实用新型的工作原理示意图; [0008] BRIEF I of the present invention is the functional diagram;

[0009] 附图2为本实用新型的逻辑原理框图; [0009] FIG. 2 is a schematic block diagram of the present invention logic;

[0010] 附图3为本实用新型的主控制流程图。 [0010] Figure 3 a flow chart of a main control novel utility.

具体实施方式 Detailed ways

[0011] 下面结合附图来对本实用新型作进一步详细的说明: [0011] The following further detailed description of the present invention made in conjunction with the accompanying drawings:

[0012] 如图I所示,本实用新型包括插在堆肥体内的I个氧气传感器、I个温度传感器和I个水分传感器。 [0012] FIG I, the present invention comprises a body inserted in the compost I more oxygen sensors, temperature sensors I and I a moisture sensor. 传感器的数量以及探头所插位置可根据发酵仓内堆体的宽度、高度、进气位置、测定精度等自行调整。 The number of sensors and the probe position may be inserted within the width of Reactor Fermentation, height, location of feed gas, the measurement precision self-adjusting. 还包括与所有传感器连接的数据采集模块,该数据采集模块与计算机电连接,计算机具体可采用带有人机界面的工控机,计算机通过PLC控制器与风机电连接从而根据采集到的信息和预设程序控制风机的启动和停止。 Further comprising, a computer data acquisition module which is electrically connected to all the sensors connected to the data acquisition module, the IPC can be used with the specific computer man-machine interface, the computer connected to the air so that organic by PLC controller and the information collected according to the preset starting and stopping the fan control program.

[0013] 本实用新型的控制系统由I个或多个氧气传感器、温度传感器、水分传感器、数据采集模块、计算机及运算控制软件、逻辑电路系统、控制器、执行机构(风机)等部分组成。 [0013] the present invention by a software control system I or more oxygen sensors, a temperature sensor, a moisture sensor, data acquisition module, and calculating computer, logic circuitry, a controller, actuators (fans) and other components. 可根据不同发酵时期优势菌群的生长特性,生长需氧量,确定堆体温度、水分等关键参数控制范围,通过智能化控制风机的运行、起停时间,调整供氧量,满足菌体生长需求。 The dominant bacteria growth characteristics may be of different fermentation time, the growth of oxygen demand, the control of the key parameters determining the temperature of the stack, moisture or the like, operation of the fan by the intelligent control, start and stop time, to adjust the amount of oxygen, satisfy the cell growth demand. 至于具体关键参数可采用现有常规的堆肥好氧发酵技术。 As for the specific key parameters employed conventional composting conventional aerobic fermentation technology. 本系统实现了自动化控制方式,与常规的温度监控反馈控制系统不同,组成了温度-氧反馈控制系统,通过监测氧气浓度,换算氧浓度变化速率,然后通过模型估算,发出控制信号。 This automated control systems, the conventional temperature monitoring and feedback control systems, the temperature of the composition - the oxygen feedback control system, by monitoring the oxygen concentration, in terms of the rate of change of oxygen concentration, and then by estimating the model, control signals.

[0014] 实施例I : [0014] Example I:

[0015] I、将鼓风机或抽风机与通风管道连接,发酵期内通风方式采用肥堆温度-氧气反馈装置自动调节。 [0015] I, blower or blower connected to the ventilation ducts, ventilation fermentation during compost pile using Temperature - feedback means for automatically adjusting the oxygen. 以监测氧气浓度与温度为主,进行风机的启停控制。 To monitor the oxygen concentration and the temperature of the main start-stop control for the fan. 在发酵期内,根据升温、高温、降温阶段的需氧量,(通过监测气体氧浓度的变化速率,即气体氧浓度速度梯度,其值反映了微生物生长快慢)及时调整控制风机启动停止时间片段,满足供氧需求。 In the fermentation period, according to the oxygen demand heating, high temperature cooling stage, (by monitoring the rate of change of the oxygen concentration of the gas, i.e. the gas velocity oxygen concentration gradient, which value reflects the speed of growth of the microorganism) timely adjustments to control the fan start stop time segment to meet the oxygen demands. 控制发酵温度不高于70°C。 Controlling fermentation temperature not higher than 70 ° C.

[0016] 2、在发酵期结束(时间进入14-15天,温度不在上升,保持稳定,40°C左右)进入第二阶段,以水分的高低控制通气量。 [0016] 2, at the end of the fermentation period (14-15 days into the time, the temperature is not rising, stable around 40 ° C) into the second stage, to control the level of moisture ventilation. 堆肥原料水分含量45% _65%,发酵过程中产生水分,整个生产过程结束时水分30%左右,温度接近常温。 Moisture content of 45% composted _65%, water produced during fermentation, about 30% moisture at the end of the whole production process, the temperature close to room temperature.

[0017] 3、在堆肥的前期(发酵期)通气主要是提供微生物O2以降解有机物;在堆肥的后期(第二阶段),通气以冷却堆肥及带走水分,达到堆肥体积、重量减少的目的。 [0017] 3, in the pre-composting (fermentation period) O2 aeration is mainly to provide a microorganism to degrade organic matter; late compost (second stage), the air cooling purposes and the composting take up water, to compost volume, weight reduction . 主要监测参数为水分和温度。 The main parameters of moisture and temperature monitoring.

[0018] 通风开闭时间、频率、周期采用智能控制器的估算模型发出指令控制通风机的起停。 Estimation model [0018] The ventilation opening and closing time, frequency, period, the intelligent controller instructs the control stop from the ventilator. 模型可根据温度、氧气、水分传感器所返回的数据进行自动校正,以实现生产操作过程的最优化控制。 The model can be automatically corrected data of temperature, oxygen, moisture sensors returned, for optimal control during production operations.

[0019] 根据试验研究结果,决定堆肥发酵过程通风机起停的环境因素较多。 [0019] According to the results of experimental studies, decided to composting fermentation process stop fans from many environmental factors. 温度是堆肥系统微生物活动的反映,堆肥中微生物分解有机物而释放出热量,这些热量使堆肥温度上升。 Temperature microbial activity is a reflection of composting systems, the microbial decomposition of organic compost to release the heat that the temperature rise compost. 前期将温度控制在限定范围内,以温度-氧气反馈控制系统控制风机启停。 The temperature control within the pre-defined range, a temperature - oxygen feedback control system fan start and stop. 本实用新型堆肥高温好氧发酵系统,堆体温度、湿度可通过温度传感器、水分传感器采集,通过模型估计通气量,调节控制通风机的起停时间,以控制堆体温度。 The present invention Composting aerobic thermophilic fermentation system of Reactor temperature and humidity by a temperature sensor, a moisture sensor acquisition, the model is estimated by the amount of ventilation, the ventilator adjusting the start and stop time control to control the temperature of the stack. 所组成的反馈系统中,估计模型可实现自动校正,满足最优化生产操作需求。 The feedback system consisting of the estimated model can be automatically corrected to meet the demand for optimized operation of production.

[0020] 本实用新型通过一组温度及水分传感器对堆肥发酵过程进行不间断的实时检测,由数据采集模块接收到前端传感器的数据信号,再由计算机分析这些数据,判断风机的通断时间及通断状态。 [0020] The present invention is performed by a set of temperature and moisture sensors composting process continuous real-time detection, received by the data acquisition module to the front end of the sensor data signal, and then time-off data, the fan is determined by computer analysis and off state. PLC中的开关量模块可以给风机以“启动或停止”信号,从而执行通断工作,而上位计算机及软件主要功能是实现计算机对“数据采集系统”和“电动控制系统”的集中控制及分析,计算机可采用具有“人机界面”的工控机。 The PLC switch module can give the fan in a "start or stop" signal, thereby performing on-off operation, the host computer and the software main function is to achieve the "data acquisition system" and "motor control system" of central control and analysis computer the computer may be employed with the "human interface" IPC.

Claims (2)

1. 一种用于堆肥好氧发酵的通风智能控制系统,其特征在于:包括插在堆肥体内的至少I个氧气传感器、至少I个温度传感器和至少I个水分传感器,所有传感器均通过数据采集模块与计算机电连接,而计算机通过控制器与风机电连接从而控制风机启动或停止。 An intelligent control system for the ventilation of the compost aerobic fermentation, characterized in that: the body comprises at least interposed compost I more oxygen sensors, temperature sensors at least I I and at least one water sensor, all sensor data are collected by module is electrically connected to the computer, and the computer is connected to the wind turbine to control the electromechanical started or stopped by the controller.
2.如权利要求I所述的用于堆肥好氧发酵的通风智能控制系统,其特征在于:其中计算机采用带有人机界面的工控机,控制器采用PLC。 I as claimed in claim 2. The intelligent control system for the ventilation of the compost for aerobic fermentation, characterized in that: wherein the computer IPC with man-machine interface, the controller uses PLC.
CN 201220249094 2012-05-30 2012-05-30 Ventilation intelligent control system for aerobic fermentation of compost CN202576273U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220249094 CN202576273U (en) 2012-05-30 2012-05-30 Ventilation intelligent control system for aerobic fermentation of compost

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220249094 CN202576273U (en) 2012-05-30 2012-05-30 Ventilation intelligent control system for aerobic fermentation of compost

Publications (1)

Publication Number Publication Date
CN202576273U true CN202576273U (en) 2012-12-05

Family

ID=47245705

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220249094 CN202576273U (en) 2012-05-30 2012-05-30 Ventilation intelligent control system for aerobic fermentation of compost

Country Status (1)

Country Link
CN (1) CN202576273U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102981490A (en) * 2012-12-07 2013-03-20 中国科学院城市环境研究所 Intelligent monitoring system for kitchen waste processor
CN103102192A (en) * 2013-03-11 2013-05-15 桂林理工大学 Automatic control method of oxygen-temperature feedback ventilation in high-temperature aerobic composting stage
CN103553737A (en) * 2013-10-24 2014-02-05 桂林理工大学 Intelligent cabin type aerobic composting device
CN104177141A (en) * 2014-08-01 2014-12-03 郑州轻工业学院 Portable intelligent sludge aerobic fermentation diagnosis system
CN106631218A (en) * 2015-11-04 2017-05-10 财团法人资讯工业策进会 Controlling system and method for making compost
US10030279B2 (en) 2014-06-20 2018-07-24 Whirlpool Corporation Compost system with error detection

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102981490A (en) * 2012-12-07 2013-03-20 中国科学院城市环境研究所 Intelligent monitoring system for kitchen waste processor
CN103102192A (en) * 2013-03-11 2013-05-15 桂林理工大学 Automatic control method of oxygen-temperature feedback ventilation in high-temperature aerobic composting stage
CN103553737A (en) * 2013-10-24 2014-02-05 桂林理工大学 Intelligent cabin type aerobic composting device
CN103553737B (en) * 2013-10-24 2015-08-19 桂林理工大学 A kind of intelligent Aerobic Vessel Compost System device
US10030279B2 (en) 2014-06-20 2018-07-24 Whirlpool Corporation Compost system with error detection
US10538819B2 (en) 2014-06-20 2020-01-21 Whirlpool Corporation Compost system with error detection
CN104177141A (en) * 2014-08-01 2014-12-03 郑州轻工业学院 Portable intelligent sludge aerobic fermentation diagnosis system
CN106631218A (en) * 2015-11-04 2017-05-10 财团法人资讯工业策进会 Controlling system and method for making compost

Similar Documents

Publication Publication Date Title
Mu et al. Kinetic modeling of batch hydrogen production process by mixed anaerobic cultures
Mu et al. Response surface methodological analysis on biohydrogen production by enriched anaerobic cultures
BRPI0515273A (en) modified bacteria, genetically engineered bacterial cell, and method for producing carboxic acids in a bacterial culture
WO2008055200A3 (en) Model predictive control of a fermentation feed in biofuel production
EP1736535A1 (en) Method and apparatus for operating a solid state fermentation
CN101803544A (en) Greenhouse system and intelligent greenhouse control system
Gelmi et al. Solid substrate cultivation of Gibberella fujikuroi on an inert support
Fernandez et al. Automation of a solid substrate cultivation pilot reactor
CN101712923B (en) Organic waste dry-type anaerobic fermentation device and technology
CN201765494U (en) Intelligent control system of mini vegetable plant
CN101255077B (en) Aerobic compost reactor
Liu et al. Co‐production of lactic acid and chitin using a pelletized filamentous fungus Rhizopus oryzae cultured on cull potatoes and glucose
CN2609925Y (en) Closed composting device
CN101289340B (en) Semi-forced ventilation static sludge aerobic compost method
CN102674921A (en) Stationary type organic material fermentation machine and fermentation technology thereof
CN101817699A (en) Biological drying system and method for sludge
Lu et al. Enhancement of pilot scale production of L (+)-lactic acid by fermentation coupled with separation using membrane bioreactor
CN2766209Y (en) Medlar fresh fruit drying apparatus
CN102443535A (en) Solid fermentation bioreactor
CN100491517C (en) Feedback type organic waste matter biological fermentation device
CN102357510A (en) Method and apparatus for controlling secondary pollutants in biodrying of mixed domestic waste
CN201541705U (en) Cut tobacco pneumatic conveying on-line control system
CN201933029U (en) Stand pot type fermentation machine
CN101476763B (en) Energy-saving control method of clean room and clean room thereof
JP2002101865A (en) Device for fermenting organic material to prepare feed

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
EXPY Termination of patent right or utility model