CN207391295U - The aerobic low nitrogen Composting device strengthened based on oxygen-enriched and free radical - Google Patents
The aerobic low nitrogen Composting device strengthened based on oxygen-enriched and free radical Download PDFInfo
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- CN207391295U CN207391295U CN201721072937.5U CN201721072937U CN207391295U CN 207391295 U CN207391295 U CN 207391295U CN 201721072937 U CN201721072937 U CN 201721072937U CN 207391295 U CN207391295 U CN 207391295U
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 36
- 239000001301 oxygen Substances 0.000 title claims abstract description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 150000003254 radicals Chemical class 0.000 title claims abstract description 33
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 18
- 238000000855 fermentation Methods 0.000 claims abstract description 44
- 230000004151 fermentation Effects 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims abstract description 23
- 230000003139 buffering effect Effects 0.000 claims abstract description 9
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- 230000005611 electricity Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 19
- 239000002361 compost Substances 0.000 abstract description 16
- 239000005416 organic matter Substances 0.000 abstract description 9
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 8
- 238000004064 recycling Methods 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
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Classifications
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
The utility model discloses a kind of aerobic low nitrogen Composting devices strengthened based on oxygen-enriched and free radical, it includes hollow perforated electrodes, pulse air pump, power supply, buffering gas tank, fermentation tank, pulse air pump is connected by buffering gas tank with tracheae, tracheae is connected with more than one hollow perforated electrodes, hollow perforated electrodes are arranged in fermentation tank, fermentation tank upper end is provided with feed inlet, gas outlet, and fermentation tank lower end is provided with discharge outlet, discharge gate, and power supply is connected with hollow perforated electrodes；The utility model device can improve Composting efficiency, and reinforcing compost effect while can also reduce the toxicity of heavy metal, realize the recycling of organic matter.
Description
Technical field
The utility model is related to a kind of debirs aerobic composting devices, i.e., are carried out under oxygen-enriched and strong condition of free radical
Aerobic low nitrogen Composting treatment realizes the Composting Process of organic matter, belongs to recycling organic waste and utilizes field.
Background technology
With the development of industrial or agricultural and the raising of human living standard, the pollutant of generation is also more and more, wherein organic
Waste pollution accounts for very big proportion.Contain substantial amounts of pathogenic bacteria, parasitic ovum etc., arbitrarily discharge meeting pair in these debirs
Human health damages；On the other hand, the organic substance included in debirs has certain economic value, can pass through heap
Resource circulation utilization is realized after extensive use of chemical fertilizer processing.Common Composting technology is the degradation using natural microbial, aerobic
Under the conditions of unstable organic matter is changed into relatively stable organic matter, but using microorganism spontaneous fermentation come decomposing organic waste
It is time-consuming longer, it is less efficient, and the process needs periodically manually turning to ensure amount of oxygen, this way is difficult often control oxygen
The exact level of gas, easily forms anaerobic environment, influences Composting effect.
China is large agricultural country, Composting treatment be china natural resourcesization processing organic solid castoff effective way it
One, in recent years Composting treatment technology quickly grow.Such as Yunnan Prov Academy Of Agricultural Sciences, Agricultural Research Institute Of Environmental Resources utility model
Unpowered self ventilated type aerobic composting technology, i.e., build aerobic environment using the snorkel arranged in cylinder to realize Composting
Process.The technology non-power consumption, it is easy to operate, but the natural fermentation process for only relying on microorganism is carried out decomposing organic waste and can be led
Composting Process is caused to take longer, it is less efficient；For another example the quick aerobic composting treatment technology of Nankai University's utility model, i.e.,
It is sent into after mixed material is mixed using transmission device in reaction warehouse and carries out Composting treatment, by top air outlet input air,
Lower exhaust port discharges reaction gas.By material, just input reactor avoids fertilizer large area caking to this method after mixing
The problem of, but only by top input air oxygen in reactor can be caused to be unevenly distributed, anaerobic environment is easily formed on bottom,
Composting effect is influenced, has no that the device identical with the utility model discloses at present.
The content of the invention
For the limitation of above-mentioned existing aerobic composting treatment technology, i.e. Natural compost process is lasted longer caused
The problems such as treatment effeciency is not high, while manually oxygen content caused by turning is uneven, and oxygen content is unable to control, this practicality are new
Type is intended to provide a kind of aerobic low nitrogen Composting device strengthened based on oxygen-enriched and free radical, including hollow perforated electrodes, arteries and veins
Qi of chong channel ascending adversely pump, power supply, buffering gas tank, fermentation tank, pulse air pump is connected by buffering gas tank with tracheae, tracheae and it is more than one in
Empty perforated electrodes connection, hollow perforated electrodes are arranged in fermentation tank, and fermentation tank upper end is provided with feed inlet, gas outlet, fermentation
Tank lower end is provided with discharge outlet, discharge gate, and power supply is connected with hollow perforated electrodes.
The hollow perforated electrodes on tube wall with foraminate hollow rod-shape electrode, electrode tip be provided with air inlet and
Electrode contact, tracheae are connected with the air inlet of hollow perforated electrodes, and power supply is connected with electrode contact.
The supply voltage is 0.1 ~ 10V.
The hollow perforated electrodes be single electrode or bipolar electrode, single electrode positive electricity as made from anode material or cathode material
Pole or negative electrode, bipolar electrode are positive electrode and the combination electrode of negative electrode composition, and there are two electrode contacts；The combination of bipolar electrode
Mode has following two, and one kind is by plate negative electrode and plate positive electrode, is arranged in parallel in pairs in hollow tube, hollow tube
It is made of an electrically conducting material, positive electrode is connected by conducting wire with positive contact, and negative electrode is connected by conducting wire with cathode connection；It is another
For half, the positive electrode made of positive electrode material connects the stick that is combined to negative electrode to kind with half made of negative electrode material
Shape hollow electrode；Anode material or cathode material are conventional electrode materials.
Hole density is 10 ~ 30/cm2 in the hollow perforated electrodes, and pore size is 0.5 ~ 3mm.
Described hollow perforated electrodes one end is tip-like.
The present apparatus handles debirs under excess oxygen, while generates micro free radical using electrochemical action, strengthens
The toxicity of heavy metal can be also reduced while Composting effect, realizes the recycling of organic matter, optimizes Composting treatment item
Part.
The utility model is in Composting Process, between fermentation raw material is arranged on hollow perforated electrodes, by hollow
The effect of perforated electrodes applied voltage generates micro free radical with reinforcing compost treatment effect；And pass through hollow perforated electrodes
Air is blasted to heap body, ensures that heap body is in abundant aerobic fermentation state, and then completes Composting.
Device realizes Composting using 2 kinds of modes：（1）Intermittent composting method：In Composting Process, toward reactor
Be inserted into rodlike hollow perforated electrodes in vivo, by the effect of the additional micro voltage of hollow electrode, generate free radicals isoreactivity substance with
Promote Composting effect；And pass through hollow electrode and blast air to heap body, ensure that heap body oxygen is in sufficient aerobic fermentation state.
The mode of oxygen is passed through as intermittent pulse air-blowing, applied voltage is generally in 0.1 ~ 10V；（2）Continous way composting method：Composting
Material persistently cuts through the fermenting space for being equipped with hollow perforated electrodes stick array after the feeding mouth of installation for fermenting enters,
The free radical of electrode bar generation accelerates the rate of Composting, more uniform simultaneously from the air of hollow perforated electrodes stick array
Required oxygen is provided for aerobic Composting Process, complete composting production discharge of fermenting；The mode for being passed through oxygen is intermittent pulse
Air-blowing is rushed, applied voltage is generally in 0.1 ~ 10V.
Present apparatus implementation method utilizes low-voltage reinforcing compost effect, under the conditions of the voltage and logical oxygen of 0.1 ~ 10V,
A series of electrochemical reactions occur using windrow as medium for the hollow perforated electrodes of intercalation reaction device, generate free radicals isoreactivity object
Matter, the presence of these micro free radicals can effectively improve the microbial activity during aerobic composting, effectively facilitate microorganism
Degradation to debirs.The free radical that electrochemical reaction generates also has sterilization functions for the windrow in Composting later stage, and
Also there is preferable treatment effect for debirs of the part containing heavy metal, effectively reduce the harmful substance in composting production,
Improve quality of compost products.
The extremely rodlike hollow perforated electrodes of the negative electrode or positive electricity that the present apparatus utilizes, can required design be into electrode cross-section
Rectangle or circular rodlike hollow perforated electrodes.Hollow perforated electrodes can be divided into the form of single electrode and bipolar electrode；Single electrode is
The intermediate electrode in hollow form is made by anode material or cathode material, convenient for being passed through oxygen, electrode can be inserted into the part of windrow
Equipped with aperture, pore size is 0.5 ~ 3mm, and hole density is 10 ~ 30/cm2, electrode afterbody can make point needle form, just
In intercalation reaction windrow.By cathode single electrode and anode single electrode be arranged in parallel in reaction windrow in, each pair anodic-cathodic it
Between be separated by 5 ~ 10cm, anodic-cathodic is connected with external power supply using conducting wire, additional power source be 0.1 ~ 10V low-voltages；Bipolar electrode
For the electrode that anode material and cathode material are composed, bipolar electrode is there are two electrode contact, using conducting wire by negative and positive electricity
Pole is connected with external power supply, and additional power source is 0.1 ~ 10V low-voltages；By hollow perforated electrodes to being uniformly arranged in reactor,
It is separated by 5 ~ 10cm between the hollow perforated electrodes pair of each pair.
The present apparatus is passed through the mode of oxygen as intermittent pulse air-blowing, i.e., using the impulse valve installed in air pump, is formed
Certain pressure condition blasts air in hollow perforated electrodes；It is connected between pump and hollow perforated electrodes with closed hose,
The gas of pump exports one end and sets one section of thicker main tracheae, and main tracheae is connected with each branch's tracheae, and each branch's tracheae is again in
Empty perforated electrodes gas input is connected, and air can be blasted by pump in electrode.If desired medicament is added, it can be at main tracheae
It launches, medicament can be as the flowing of gas be evenly into each electrode, and the aperture for passing through electrode surface enters object
In material；Air-blowing intermittent time and air-blowing time can adjust on demand, and general interval time is arranged on 2 ~ 48h, and each air-blowing 5 ~
25min。
The Composting Process of the organic matter is divided into following two step：
The first step, organic waste materials are put into from feed inlet in reactor, and air pump is opened after the completion of charging to hollow perforation electricity
It is extremely interior to blast air, while be powered to electrode, nearby redox reaction occurs for each pair anodic-cathodic, generates free radicals, from
Partial organic substances matter can be oxidized to by CO by base2、H2O or other small organic molecules, while micro free radical is as Composting mistake
Active material in journey effectively enhances microbial degradation performance, improves bioenzyme activity, accelerates Composting Process；
Second step, Composting Process are divided into cold stage, temperature rise period, hot stage and temperature-fall period, about at 7 ~ 15 days
Interior completion.It is divided into the delivered fresh bed of material in reactor from top to bottom, adapts to breeding layer, quick degrading layer, the complete layer of degradation.Composting
Generated gas is discharged by the exhaust outlet above reactor, the process that whole process experience heating cools down again, after cooling
When temperature is maintained at relatively stable scope, represent that Composting Process terminates, the waste water in reactor passes through electrochemical treatments, can
It is directly discharged from discharge outlet, and the free radical that electrochemical reaction generates has certain sterilization functions to later stage material, compost can be from
Discharge gate is discharged.
The advantages of the utility model, is as follows with effect：
（1）Reaction condition is room temperature, normal pressure, low-voltage, and operation is easy, need not separately set other complicated reactions
Device is directly inserted into hollow perforated electrodes into reactor block, easy to operate and flexible, while there is electrode certain heat preservation to make
With, can holding part fermentation calorific value；
（2）Composting treatment effect is good, and the micro free radical that anodic-cathodic nearby generates can effectively improve aerobic composting
Microbial activity in the process effectively facilitates the degradation of aerobic microbiological, more economical efficient；
（3）Gas distribution can be allowed in reactor using the hollow perforated electrodes for producing free radical and adding aeration one evenly, in heap body
Aerobic microbiological be in the aerobic environment of favourable its growth, effectively control anaerobe nitration denitrification effect, subtract
The discharge of few ammonia nitrogen gas；
（4）Treated, and quality of compost products is higher, and the presence of micro free radical can reduce the heavy metal in debirs
Toxicity also can improve composting production quality by adding medicament, and without other subsequent processings, treated, and compost can realize money
Sourceization utilizes.
Description of the drawings
Fig. 1 is hollow perforation stagged electrode structure schematic diagram；A figures are with tip-like end, and B figures are rodlike；
Fig. 2 is hollow perforation bi-motor structure diagram；A figures are that paired plate negative electrode is arranged in parallel in hollow tube
And positive electrode, B figures are that half negative electrode material connects the rodlike hollow electrode being combined with half positive electrode material；
Fig. 3 is intermittent charging composting treatment device schematic diagram；
Fig. 4 feeds composting treatment device schematic diagram for continous way；
In figure：1- air inlets；2 electrode contacts；3- apertures；The needle-shaped ends of 4-；5- cathode connections；6- positive contacts；7- is cloudy
Electrode；8- positive electrodes；9- feed inlets；10- discharge outlet；11- discharge gates；12- gas outlets；13- pulse air pumps；14- power supplys；15-
Buffer gas tank；16- tracheaes；17- cathode wires；18- positive wires；19- fermentation tanks；The hollow perforated electrodes of 20-.
Specific embodiment
The utility model is described in further detail below by drawings and examples, but scope of protection of the utility model
It is not limited to the content.
Embodiment 1：Based on the aerobic low nitrogen composting method processing animal wastes that oxygen-enriched and free radical is strengthened, concrete operations
It is as follows：
1st, animal wastes
Contain large amount of organic, such as cellulose, starch, carbohydrate and fat protein in excrement, while also contain part
Microorganism and inorganic salts；Its main feature is that N, P, S constituent content are higher, and are also easy to produce odorant under anaerobic environment, but have
Machine object content is high, and economic interests are high.
2nd, present apparatus processing animal wastes 900kg
The present apparatus uses continous way composting method, and Composting material is persistently cut after the feed inlet of installation for fermenting enters
The fermentation tank by being equipped with hollow perforated electrodes stick array is cut, the micro free radical of electrode bar generation accelerates the speed of Composting
Rate, simultaneously from hollow perforated electrodes stick array air it is more uniform provide required oxygen for aerobic Composting Process,
The complete composting production that ferments is discharged；The mode of oxygen is passed through as intermittent pulse air-blowing, applied voltage 3V.
As shown in Fig. 1,4, completing the device of this method includes hollow perforated electrodes 20, pulse air pump 13, power supply 14, buffering
Gas tank 15, fermentation tank 19 wherein hollow perforated electrodes 20 are provided with air inlet 1 and electrode contact 2 for one end, carry small on tube wall
The hollow rod-shape electrode in hole 3, hollow perforated electrodes are single electrode（Positive electrode or the moon i.e. as made from anode material or cathode material
Electrode）, hollow perforated electrodes are 2 positive electrodes 8 and 2 negative electrodes 7 in the present apparatus；Pulse air pump 13 by buffer gas tank 15 with
Tracheae 16 connects, and tracheae 16 is connected with the air inlet 1 of 4 hollow perforated electrodes, and hollow perforated electrodes are arranged in fermentation tank 19,
19 upper end of fermentation tank is provided with feed inlet 9, gas outlet 12, and fermentation tank lower end is provided with discharge outlet 10, discharge gate 11, power supply 14
Anode is connected by positive wire 18 with the positive contact 6 of positive electrode 8, and the cathode of power supply 14 passes through cathode wire 17 and negative electrode
7 cathode connection 5 connects.
Fermentation tank height is 0.8m, radius 0.5m, and hole density is 20/cm2 in hollow perforated electrodes, and pore size is
2mm；8cm is spaced between electrode, 2 positive electrodes and 2 negative electrodes are disposed alternately in the animal wastes heap body of fermentation tank, oxygenating
Mode is intermittent pulse air-blowing, just blasts air into hollow perforated electrodes column when 15 is small, and the air-blowing time is 10 minutes, outside
Supply voltage control is connect in 3V or so.
3rd, the present apparatus is as follows using process：
（1）At normal temperatures, animal wastes are inputted by feed inlet 9 in fermentation tank 19, without carrying out pre-treatment, opens pulse
Air pump 13 switchs, and air is passed through in hollow perforated electrodes column, then opens power supply 14 and be powered to hollow perforated electrodes, voltage control
In 3V or so；
（2）Composting Process is divided into cold stage, temperature rise period, hot stage and temperature-fall period, in retort from up to
Under compost be divided into the delivered fresh bed of material, adapt to breeding layer, quick degrading layer, the complete layer of degradation；Under excess oxygen, hollow perforation
The micro free radical that electrode reaction generates can improve the microbial activity during aerobic composting, improve Composting treatment effect
Fruit.Can its temperature changing trend be observed according to the temperatuer detector inside fermentation tank during Composting treatment, fermentation time exists
12d or so；
（3）When fermenter base Composting Process is in complete state of degrading（That is temperature≤40 DEG C）When, open draining
Mouth 10 discharges the water after reaction, and the material after fermentation completely discharges progress recycling from discharge gate 11；Compost produces at this time
In product heavy metal Cd, Hg contents≤3mg/kg, Pb, Cr content≤30mg/kg, fecal coliform value is 10-1~10-2Between, contain
Water rate≤20%, the nutrition content of composting production are：Organic matter（In terms of C）>=40%, total nitrogen（In terms of N）>=1.0%, total phosphorus
（In terms of P205）≥1.5%.New untreated material is added in into fermentation tank simultaneously, continues Composting treatment, entire compost
The material changed in processing procedure is in the state constantly updated.
Embodiment 2：It is specific to grasp based on the aerobic low nitrogen composting method processing waterworks sludge that oxygen-enriched and free radical is strengthened
Make as follows：
1st, waterworks sludge
Unprecedentedly increase with the discharge capacity of municipal sewage, the excess sludge outside removal system is needed produced by sewage treatment process
Amount is very huge.The moisture percentage in sewage sludge is higher, bulky, perishable, breath malodor and containing substantial amounts of heavy metal, germ etc.
Poisonous and harmful substance, if without science processing dispose and be directly discharged in external environment will to surface water body, soil,
Underground water and air causes greatly to pollute, and health is adversely affected, it is therefore necessary to innoxious to sludge progress,
Minimizing, stabilized processing, and properly dispose, secondary pollution is caused with exempt from customs examination environment.
During sludge treatment, safe disposal, adaptation to local conditions, the energy-saving, principle that recycles are held, at present
The technology of sludge treatment has burning, sanitary landfills, ocean dumping, land use, manufacture construction material etc..And utilize Composting
Handling sludge has the advantages that energy expenditure is low, convenient in carrying, equipment is simple, has and preferably uses prospect.
2nd, present apparatus processing waterworks sludge 800kg
The present apparatus uses continous way composting method, and Composting material is persistently cut after the feed inlet 9 of installation for fermenting enters
The fermentation tank by being equipped with hollow perforated electrodes stick array is cut, the free radical of hollow perforated electrodes generation accelerates the speed of Composting
Rate, simultaneously from hollow perforated electrodes stick array air it is more uniform provide required oxygen for aerobic Composting Process,
The complete composting production that ferments is discharged；The mode of oxygen is passed through as intermittent pulse air-blowing, the phase can be at buffering gas tank after fermentation
Assistant is added in, makes medicament with air-flow even into heap body, to improve the dehydration rate of sludge；Applied voltage is 5V.
As shown in Fig. 2 B, 4, the apparatus structure of this method is completed with embodiment 1, difference is hollow perforated electrodes one end
For tip-like；Hollow perforated electrodes are bipolar electrode（The compound bar that half negative electrode material and half positive electrode material are formed by connecting
Shape hollow electrode）, there are two electrode contacts 2, i.e. positive contact 6 and cathode connection 5 for bipolar electrode；Fermentation tank height is 0.5m, partly
Footpath 0.6m, hole density is 10/cm2, pore size 1mm in hollow perforated electrodes；5cm, 5 bipolar electrodes are spaced between electrode
It is arranged in the sludge body of fermentation tank, oxygenating mode is intermittent pulse air-blowing, just to hollow perforated electrodes column when 20 is small
Air is inside blasted, the air-blowing time is 20 minutes, and external power supply voltage is controlled in 5V or so.
3rd, the present apparatus is as follows using process
（1）At normal temperatures, sludge is inputted in fermentation tank 19, without carrying out pre-treatment, opening pulse air pump 13 switchs, past
Air is passed through in hollow perforated electrodes column, then opens power supply 14 and is powered to hollow perforated electrodes, voltage is controlled in 5V or so；
（2）Composting Process is divided into cold stage, temperature rise period, hot stage and temperature-fall period, in reactor from up to
Under compost be divided into the delivered fresh bed of material, adapt to breeding layer, quick degrading layer, the complete layer of degradation；Under excess oxygen, hollow perforation
The micro free radical that electrode reaction generates can improve the microbial activity during aerobic composting, improve Composting treatment effect
Fruit.The phase can add in Assistant at buffering gas tank 15 after fermentation, make medicament with air-flow even into heap body, to improve dirt
The dehydration rate of mud.Its temperature changing trend can be observed according to the temperatuer detector inside fermentation tank during Composting treatment, is sent out
The ferment time is in 15d or so；
（3）When fermenter base Composting Process is in complete state of degrading（That is temperature≤40 DEG C）When, open draining
Mouth 10 discharges the water after reaction, and the material after fermentation completely discharges progress recycling from discharge gate 11；Compost produces at this time
In product heavy metal Cd, Hg contents≤1mg/kg, Pb, Cr content≤30mg/kg, fecal coliform value is 10-1~10-2Between, contain
Water rate≤25%, the nutrition content of composting production are：Organic matter（In terms of C）>=30%, total nitrogen（In terms of N）>=1.5%, total phosphorus
（In terms of P205）≥2.0%.New untreated material is added in into fermentation tank simultaneously, continues Composting treatment, entire compost
The material changed in processing procedure is in the state constantly updated.
Embodiment 3：It is specific to grasp based on the aerobic low nitrogen composting method processing kitchen garbage that oxygen-enriched and free radical is strengthened
Make as follows：
1st, kitchen garbage
Kitchen garbage is primarily referred to as resident's daily life and food processing in addition, catering service, unit are served the meals
The rubbish generated in activity.Kitchen garbage includes recycled wood materials and rubbish from cooking.Wherein refer to can not for recycled wood materials
Edible animal and plant fat and all kinds of oil water mixtures again, and rubbish from cooking refers to food residues and food processing waste material, mainly
For the solid residue in kitchen garbage.
Since rubbish from cooking easily ferments, go bad, rot, substantial amounts of toxin is not only generated, foul gas is distributed, also pollutes
Water body and air so if rubbish from cooking cannot be handled timely, not only influence the city appearance of the city and environmental sanitation, Er Qiehui
It spreads the disease, endangers daily life and health.
2nd, present apparatus processing kitchen garbage 500kg
The present apparatus uses intermittent composting method, in Composting Process, toward being inserted into rodlike hollow wear in reactor block
Pore electrod by the effect of the additional micro voltage of hollow electrode, generates free radicals isoreactivity substance to promote Composting treatment；And lead to
It crosses hollow electrode and blasts air to heap body, ensure that heap body oxygen is in sufficient aerobic fermentation state；Between the mode for being passed through oxygen is
It has a rest pulse air-blowing, applied voltage is generally in 0.5V；
As shown in Figure 2,3, the apparatus structure of this method is completed with embodiment 1, and difference is that hollow perforated electrodes one end is
Tip-like；Hollow perforated electrodes are bipolar electrode, and bipolar electrode includes conductive hollow pipe, and negative electrode is parallel with plate-like form with positive electrode
It is arranged alternately in hollow tube, bipolar electrode is there are two electrode contact 2, i.e. positive contact 6 and cathode connection 5, and positive electrode is by leading
Line is connected with positive contact 6, and negative electrode is connected by conducting wire with cathode connection 5；Fermentation tank height be 0.8m, radius 1.0m, in
Hole density is 30/cm2, pore size 3mm in empty perforated electrodes；10cm is spaced between electrode, 4 bipolar electrodes are arranged on hair
In the rubbish from cooking heap body of fermentation tank, oxygenating mode is intermittent pulse air-blowing, is just blasted when 5 is small into hollow perforated electrodes column
Air, air-blowing time are 10 minutes, and external power supply voltage is controlled in 0.5V or so.
3rd, the present apparatus is as follows using process
（1）At normal temperatures, broken kitchen garbage is inputted in fermentation tank 19, opens pulse air pump 13 and switch, into
Air is passed through in empty perforated electrodes column, then opens power supply 14 and is powered to hollow perforated electrodes, voltage is controlled near 0.5V；
（2）Composting Process is divided into domestication stage, temperature rise period, hot stage and decomposed stage；Under excess oxygen, in
The micro free radical that the reaction of empty perforated electrodes generates can improve the microbial activity during aerobic composting, at reinforcing compost
Manage effect；Its temperature changing trend can be observed according to the temperatuer detector inside fermentation tank during Composting treatment, during fermentation
Between in 8d or so；
（3）When fermenter base Composting Process is in complete state of degrading（That is temperature≤40 DEG C）When, open draining
Mouth 10 discharges the water after reaction, and the material after fermentation completely discharges progress recycling from discharge gate 11；Compost produces at this time
In product heavy metal Cd, Hg contents≤0.5mg/kg, Pb, Cr content≤10mg/kg, fecal coliform value is 10-1~10-2Between,
Moisture content≤15%, the nutrition content of composting production are：Organic matter（In terms of C）>=35%, total nitrogen（In terms of N）>=1.5%, always
Phosphorus（In terms of P205）≥2.5%.
Claims (6)
1. a kind of aerobic low nitrogen Composting device strengthened based on oxygen-enriched and free radical, it is characterised in that：Including hollow perforation electricity
Pole（20）, pulse air pump（13）, power supply（14）, buffering gas tank（15）, fermentation tank（19）, pulse air pump（13）By buffering gas tank
（15）With tracheae（16）Connection, tracheae（16）It is connected with more than one hollow perforated electrodes, hollow perforated electrodes are arranged on hair
Fermentation tank（19）In, fermentation tank（19）Upper end is provided with feed inlet（9）, gas outlet（12）, fermentation tank（19）Lower end is provided with draining
Mouthful（10）, discharge gate（11）, power supply（14）It is connected with hollow perforated electrodes.
2. the aerobic low nitrogen Composting device according to claim 1 strengthened based on oxygen-enriched and free radical, it is characterised in that：
Hollow perforated electrodes are provided with air inlet and electrode contact for one end, with foraminate hollow rod-shape electrode, tracheae on tube wall
（16）It is connected with the air inlet of hollow perforated electrodes, power supply is connected with electrode contact.
3. the aerobic low nitrogen Composting device according to claim 1 strengthened based on oxygen-enriched and free radical, it is characterised in that：
Supply voltage is 0.1 ~ 10V.
4. the aerobic low nitrogen Composting device according to claim 1 or 2 strengthened based on oxygen-enriched and free radical, feature are existed
In：Hollow perforated electrodes are single electrode or bipolar electrode, and single electrode is positive electrode or negative electrode, and bipolar electrode is positive electrode and negative electrode
The combination electrode of composition, there are two electrode contacts for bipolar electrode.
5. the aerobic low nitrogen Composting device according to claim 4 strengthened based on oxygen-enriched and free radical, it is characterised in that：
Hole density is 10 ~ 30/cm2 in hollow perforated electrodes, and pore size is 0.5 ~ 3mm.
6. the aerobic low nitrogen Composting device according to claim 1 strengthened based on oxygen-enriched and free radical, it is characterised in that：
Hollow perforated electrodes one end is tip-like.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500815A (en) * | 2017-08-25 | 2017-12-22 | 昆明理工大学 | The aerobic low nitrogen composting method and device strengthened based on oxygen-enriched and free radical |
| RU191239U1 (en) * | 2019-03-11 | 2019-07-30 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный аграрный университет имени Н.И. Вавилова" | Device for disinfecting litter and chicken manure |
| RU191652U1 (en) * | 2019-03-25 | 2019-08-15 | федеральное государственное бюджетное образовательное учреждение высшего образования "Мичуринский государственный аграрный университет" | CHICKEN LITTER AERATOR-ELECTRIC BREASTER |
| RU193865U1 (en) * | 2019-03-25 | 2019-11-19 | федеральное государственное бюджетное образовательное учреждение высшего образования "Мичуринский государственный аграрный университет" | AERATOR-ELECTRIC DECONTAMINATOR OF CHICKEN LITTER WHEN PRODUCING ORGANIC FERTILIZER |
| CN112919945A (en) * | 2021-02-02 | 2021-06-08 | 四川铁骑力士实业有限公司 | Efficient composting device for organic waste and use method thereof |
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2017
- 2017-08-25 CN CN201721072937.5U patent/CN207391295U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500815A (en) * | 2017-08-25 | 2017-12-22 | 昆明理工大学 | The aerobic low nitrogen composting method and device strengthened based on oxygen-enriched and free radical |
| RU191239U1 (en) * | 2019-03-11 | 2019-07-30 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный аграрный университет имени Н.И. Вавилова" | Device for disinfecting litter and chicken manure |
| RU191652U1 (en) * | 2019-03-25 | 2019-08-15 | федеральное государственное бюджетное образовательное учреждение высшего образования "Мичуринский государственный аграрный университет" | CHICKEN LITTER AERATOR-ELECTRIC BREASTER |
| RU193865U1 (en) * | 2019-03-25 | 2019-11-19 | федеральное государственное бюджетное образовательное учреждение высшего образования "Мичуринский государственный аграрный университет" | AERATOR-ELECTRIC DECONTAMINATOR OF CHICKEN LITTER WHEN PRODUCING ORGANIC FERTILIZER |
| CN112919945A (en) * | 2021-02-02 | 2021-06-08 | 四川铁骑力士实业有限公司 | Efficient composting device for organic waste and use method thereof |
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