CN109293407A - A kind of rubbish from cooking fast composting device and method - Google Patents
A kind of rubbish from cooking fast composting device and method Download PDFInfo
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- CN109293407A CN109293407A CN201811381519.3A CN201811381519A CN109293407A CN 109293407 A CN109293407 A CN 109293407A CN 201811381519 A CN201811381519 A CN 201811381519A CN 109293407 A CN109293407 A CN 109293407A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/02—Apparatus for the manufacture
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The invention belongs to a kind of rubbish from cooking fast composting device and methods, belong to rubbish from cooking process field.The device includes three-level main reactor, infra-red radiation heat-insulation unit, warm-air supply unit and condensed water percolate reflux unit.This method passes through infra-red radiation first and hot wind coupling temperature control method realizes that rubbish from cooking fast dewatering, efficient volume reduction loss of weight, substitution conditioner use, and reduces cost.Rubbish improves bioactivity, accelerated fermentation processes by hot supplementary mode in high temperature fermentation stage in composting process control by stages after dehydration, and combine the decomposed stage in later period, it effectively shortens reaction time, realizes that organic matter degradation is decomposed to greatest extent, optimization biological treatment improves discharging quality.Furthermore reactor is also equipped with heat pump and carries out heat recovery to outlets at different levels, carries out the supply of waste heat moisture for composting process, and is equipped with condensed water percolate reflux spray, maintains heap body humidity, reduces secondary treatment cost, realizes rubbish from cooking high-rate composting resource utilization.
Description
Technical field
The invention belongs to rubbish from cooking process fields, are related to a kind of rubbish from cooking fast composting device and method.This method
Without adding conditioner, biological compost process is subjected to control by stages, material is controlled in the reaction temperature of different phase and stops
The time is stayed, realizes the high-performance bio processing unit and technical method of the fermentation of rubbish from cooking fast degradation.
Background technique
With the continuous development of China's economy and continuous improvement of people's living standards, domestic waste yield also by
Year increases, and wherein rubbish from cooking is up to 50%-60%, and the characteristics such as high-moisture percentage and high organic also result in landfill or burning
Very economical, energy-saving and environmental protection the kitchen waste reductions of one kind and recycling are being sought in a series of problems in the process, each department
Technical method.
Composting treatment method receives significant attention in rubbish from cooking processing direction, and microorganism relies on food waste rubbish in reaction process
Organic matter in rubbish carries out aerobic fermentation activity, promotes organic matter degradation decomposed, finally realizes minimizing, product can be used for plant
Fertilizer.At present in compost treatment technique, a large amount of conditioners need to be added and carry out moisture and Reactor structure adjusting, such as Chinese patent
A kind of stalk straw food waste compost method, using stalk or straw as conditioner, and must roll into small disclosed in 201610024921.0
Section (10mm), additive amount are more than half, and preprocessing process is cumbersome, and cost of labor is higher.Chinese patent 201711210159.6 is public
A kind of agricultural organic waste highly effective compost method is opened, using traditional approach, agricultural crop straw is added, is up to more than 90 reaction time
Its (compost reacts 30-36 days, later period digestion degradation 60-80 days), it can be seen that traditional approach is long there are reaction time, low efficiency
The problem of, a large amount of rubbishes from cooking of lasting generation can not be successfully managed.To improve composting efficiency, shorten composting cycle, high temperature nuclear reactor
Fertile mode is also widely recognized as, if Chinese patent 201710518000.4 discloses a kind of feces of livestock and poultry superhigh temperature compost method,
Moisture content is adjusted using conditioner first, organic materials decomposing microbial inoculum is inoculated with, so that heap temperature is risen to 80- by external heating mode
85 DEG C, it is decomposed which can effectively facilitate organic matter, effectively shortens compost reaction time, however traditional heating mode is passed by mass transfer
Thermal efficiency limitation, heat energy consumption is higher, seriously affects its popularization and application.
Still lack a kind of compost reactor rapidly and efficiently in the market, conditioner addition can be effectively reduced, while improving heap
The decomposed rate of body shortens the biological treatment period, reduces outside energy consumption, realizes the optimization of biological compost treatment process, improves heap
Fertile treatment effeciency.
Summary of the invention
Present invention seek to address that problem of the existing technology, a kind of rubbish from cooking fast composting method and dress are provided
It sets.
Technical solution of the present invention:
A kind of rubbish from cooking fast composting device, the device include three-level main reactor, infra-red radiation heat-insulation unit, hot wind
Feed unit and condensed water percolate reflux unit.
The three-level main reactor includes three reactor bodies 3, and three reactor bodies 3 are parallel in the vertical direction
Arrangement, from top to bottom respectively first-stage reactor, second reactor and third-stage reactor, first-stage reactor, second reactor
Discharge port 12 is connected with the feed inlet 1 of second reactor, third-stage reactor respectively；Each reactor body 3 is all made of thermal insulating material
Material cladding heat preservation, inside sets double helix material hybrid propulsion device 4, for by rubbish from cooking push to during discharge port 12 into
Row is sufficiently mixed；Rotating barrier is arranged in discharge port 12 and feed inlet 1, for controlling input and output material；
The infra-red radiation heat-insulation unit includes infrared temperature controller 6, thermocouple and infrared heating fluorescent tube 5, three
It is all set in 3 top of reactor body, for the probe of thermocouple for measuring the interior temperature of reactor, infrared temperature controller 6 is logical
Control infrared heating fluorescent tube 5 is crossed to regulate and control the temperature in reactor body 3；
The warm-air supply unit includes blower, ventilation pipe, flowmeter and heat pump；Ventilation pipe is uniformly laid at different levels
Reactor bottom, ventilation pipe in first-stage reactor successively with external first flowmeter 9, the first heat pump 8, the first blower 7
It is connected, the gas outlet of first-stage reactor upper end is connected with the first heat pump 8；Second reactor Center Vent tube road is successively with external the
Two flowmeters 15, the second heat pump 14, the second blower 13 are connected, and the second blower 13 is also connected with the first heat pump 8, on second reactor
The gas outlet at end is connected with the second heat pump 14；Third-stage reactor Center Vent tube road successively with external third flowmeter 17, third
Blower 16 is connected, and third blower 16 is also communicated with outside air, the second heat pump 14 respectively；Flowmeter is passed through at different levels anti-for control
Answer the ventilation quantity of device；On the one hand heat pump is used to heat the air wait enter reactor, on the other hand wet for the saturation after reaction
The hot outlet of degree carries out cooling heat release, and introduces next stage reactor by the blower of next stage reactor；
The condensed water percolate reflux unit includes evaporation water condensation back flow plate 2, catch basin 11, water pump 10 and spray
Head, two evaporation water condensation back flow plates 2 are installed on the top of first-stage reactor, and are connected with catch basin 11；First-stage reactor bottom
Portion is arranged percolate and exports, and strainer is installed in percolate outlet and is connected with catch basin 11；Spray head be set to second reactor and
The inner tip of third-stage reactor is connected by water pump 10 with catch basin 11；The condensed water that evaporation water condensation back flow plate 2 drips
And the percolate in reaction combines in catch basin 11, and is sprayed by water pump 10 in second reactor, third-stage reactor.
The direction of propulsion of the double helix material hybrid propulsion device 4 turns on the contrary, being equipped in transport screw devices end
Trigger structure；Transport screw devices, which are connected with panel turnover mechanisms by screw drives machinery structures, realizes synchronous operation, speed
It is controlled by converter plant.Between blade in each stage reactor in reverse double-helix the horizontal and vertical stirring blade of addition or
Stirring rod, its spacing are 0.1~1.0 meter, and density degree is adjusted according to reactor size and material characteristic.
A kind of rubbish from cooking fast composting method, steps are as follows:
(1) first-stage reactor is handled
First-stage reactor realizes rubbish from cooking preliminary hydro-extraction, makes rubbish from cooking in good solid-state, substitutes making for conditioner
With.Rubbish from cooking is loaded into first-stage reactor, the temperature for controlling infrared heating is 80-100 DEG C, ventilation quantity 5-10m3/ h,
Intake air temperature maintains 80-100 DEG C, and the residence time is for 24 hours；Rubbish from cooking stirs once per hour, passes through infra-red radiation and heat
Wind coupled modes realize the fast dewatering of rubbish from cooking, and rubbish from cooking moisture content is made to be down to 55%-60%；It is generated in dehydration
Steam condensed at the top of first-stage reactor, and be mixed into catch basin 11, first-stage reactor dehydration with bottom percolate
Afterwards, rubbish from cooking enters second reactor.
(2) second reactor is handled
Second reactor is used for rubbish from cooking hot fermentation, promotes organic matter degradation, kills pathogen.Second reactor is first
Thermophilic high temperature microbe is added before secondary operation, while first-stage reactor saturated humidity outlet enters second order reaction after heat pump heat exchanging
Device, in second reactor reaction process, at 60-80 DEG C, ventilation quantity is controlled in 1-5m for infrared radiation temperature control3/ h, air inlet temperature
Degree is 60-80 DEG C, and it is primary that every 12h mixes stirring；When the rubbish from cooking in second reactor is more than that volume 3/4 is laggard after 3-4 days
Row discharging, into third-stage reactor.To maintain 55% or more rubbish from cooking moisture content in reaction process, stirred in rubbish from cooking mixing
During mixing, condensed water is introduced from catch basin 11 and the mixed liquor of percolate is sprayed.During later period continuous operation, two
There are 1/6-1/8, the inoculation for thermophilic high temperature microbe starts for stage reactor discharging.
(3) third-stage reactor is handled
Third-stage reactor progress rubbish from cooking is decomposed, realizes that organic matter further decomposes, nutritional ingredient needed for forming plant.
Enter third-stage reactor after second reactor outlet heat pump heat exchanging, and mend with fresh air, maintains rubbish from cooking temperature 30-40
DEG C, ventilation quantity is controlled in 1-5m3/ h mixes stirring primary daily, while introducing from catch basin 11 in mixing whipping process
The mixed liquor of condensed water and percolate is sprayed, and 55% or more heap body moisture content is maintained.After stopping 6-8 days, third-stage reactor
Discharging is rubbish from cooking maturation composting production.
The thermophilic high temperature microbe derives from the dewatered sludge of sewage treatment plant, obtains by continuous high temperature acclimation.
The present invention is asked in kitchen waste compost processing, need to add that conditioner carries out that moisture content and porosity adjust
Topic proposes rubbish from cooking preliminary hydro-extraction, reduces material water ratio in such a way that infra-red radiation and hot wind couple, improves material hole
Gap, heat pump recycle outlet thermal energy, provide saturated moist air for composting process.Composting process carries out control by stages simultaneously, with heat
Supplementary mode maintains heap body high temperature, improves biological metabolism activity, accelerates organic matter degradation, while mending with Low Temperature Thermal in hypothermic phase
Wind maintains biological growth necessary temp, guarantees that humus material is formed.
Beneficial effects of the present invention: (1) Discrete control kitchen waste compost processing unit has structure simple, operation spirit
The advantages that work, treatment effeciency is high.First by rubbish from cooking preliminary hydro-extraction, quick volume reduction loss of weight is, it can be achieved that rubbish from cooking connects daily
Continuous processing, later period compost control by stages, and accelerate reaction process in a manner of thermal coupling, being equipped with the different residence times is segmented
Semicontinuous operation is realized in control, is shortened process cycle, is effectively improved treatment effeciency；(2) inside reactor by infra-red radiation and
Hot wind coupled modes carry out material convection current radiant heating, conduct heat instead of Conventional conduction, more effectively raising heat transfer efficiency, realize heap body
It is rapidly heated；(3) after in addition reactor high temperature outlets at different levels carry out waste heat recycling, the warm saturated with moisture that is lower enters next order reaction
Device reduces heap body loss of moist, and avoids outlet energy dissipation, and matches different ventilatory capacities according to the stage of reaction, is conducive to each rank
Section reaction process, optimizes kitchen waste compost treatment process；(3) first-stage reactor condensed water and percolate spray flow back into
Two third-stage reactors carry out moisturizing for heap body, organic principle are avoided in food waste to lose, at the same during avoiding waste water it is secondary
Pollution and processing cost realize the complete compost resource utilization of rubbish from cooking.
Detailed description of the invention
Fig. 1 is rubbish from cooking fast composting schematic device.
In figure: 1 feed inlet；2 evaporation water condensation back flow plates；3 reactor bodies；4 double helix material hybrid propulsion devices；5
Infrared heating fluorescent tube；6 infrared temperature controllers；7 first blowers；8 first heat pumps；9 first flowmeters；10 water pumps；11 catch basins；
12 discharge ports；13 second blowers；14 second heat pumps；15 second flowmeters；16 third blowers；17 third flowmeters.
Specific embodiment
Below in conjunction with technical solution and the attached drawing specific embodiment that the present invention will be described in detail.
A kind of rubbish from cooking fast composting device, the device include three-level main reactor, infra-red radiation heat-insulation unit, hot wind
Feed unit and condensed water percolate reflux unit.
The three-level main reactor includes three reactor bodies 3, and three reactor bodies 3 are parallel in the vertical direction
Arrangement, from top to bottom respectively first-stage reactor, second reactor and third-stage reactor, the discharge port of level-one, second reactor
12 are connected with the feed inlet 1 of second level, third-stage reactor respectively；Each reactor body 3 is all made of thermal insulation material cladding heat preservation, interior
If double helix material hybrid propulsion device 4, for rubbish from cooking to be pushed to discharge port 12 during be sufficiently mixed；Out
Rotating barrier is arranged in material mouth 12 and feed inlet 1, for controlling input and output material；
The infra-red radiation heat-insulation unit includes infrared temperature controller 6, thermocouple and infrared heating fluorescent tube 5, three
It is all set in 3 top of reactor body, the probe measurement reactor temperature of thermocouple, infrared temperature controller 6 passes through control
Infrared heating fluorescent tube 5 regulates and controls the temperature in reactor body 3；
The warm-air supply unit includes blower, ventilation pipe, flowmeter and heat pump；Ventilation pipe is uniformly laid on reaction
Device bottom, the ventilation pipe in first-stage reactor are successively connected with external first flowmeter 9, the first heat pump 8, the first blower 7,
The gas outlet of first-stage reactor upper end is connected with the first heat pump 8；Second reactor Center Vent tube road successively with external second
Meter 15, the second heat pump 14, the second blower 13 are connected, and the second blower 13 is also connected with the first heat pump 8, second reactor upper end
Gas outlet is connected with the second heat pump 14；Third-stage reactor Center Vent tube road successively with external third flowmeter 17, third blower
16 are connected, and third blower 16 is also communicated with outside air, the second heat pump 14 respectively；Flowmeter is passed through each stage reactor for controlling
Ventilation quantity；On the one hand heat pump is used to heat the air wait enter reactor, on the other hand for the saturated humidity after reaction
Hot outlet carries out cooling heat release, and introduces next stage reactor by the blower of next stage reactor；
The condensed water percolate reflux unit includes evaporation water condensation back flow plate 2, catch basin 11, water pump 10 and spray
Head, two evaporation water condensation back flow plates 2 are installed on the top of first-stage reactor, and are connected with catch basin 11；First-stage reactor bottom
Portion is arranged percolate and exports, and strainer is installed in percolate outlet and is connected with catch basin 11；Spray head be set to second reactor and
The inner tip of third-stage reactor is connected by water pump 10 with catch basin 11；The condensed water that evaporation water condensation back flow plate 2 drips
And the percolate in reaction combines in catch basin 11, and is sprayed by water pump 10 in two third-stage reactors.
The direction of propulsion of the double helix material hybrid propulsion device 4 turns on the contrary, being equipped in transport screw devices end
Trigger structure；Transport screw devices, which are connected with panel turnover mechanisms by screw drives machinery structures, realizes synchronous operation, speed
It is controlled by converter plant.Between blade in each stage reactor in reverse double-helix the horizontal and vertical stirring blade of addition or
Stirring rod, its spacing are 0.1~1.0 meter, and density degree is adjusted according to reactor size and material characteristic.
A kind of rubbish from cooking fast composting method, steps are as follows:
(1) first-stage reactor is handled
First-stage reactor realizes rubbish from cooking preliminary hydro-extraction, makes rubbish from cooking in good solid-state, substitutes making for conditioner
With.Rubbish from cooking is loaded into first-stage reactor, the temperature for controlling infrared heating is 80-100 DEG C, ventilation quantity 5-10m3/ h,
Intake air temperature maintains 80-100 DEG C, and the residence time is for 24 hours；Rubbish from cooking stirs once per hour, passes through infra-red radiation and heat
Wind coupled modes realize the fast dewatering of rubbish from cooking, and rubbish from cooking moisture content is made to be down to 55%-60%；It is generated in dehydration
Steam condensed at the top of first-stage reactor, and be mixed into catch basin 11, first-stage reactor dehydration with bottom percolate
Afterwards, rubbish from cooking enters second reactor.
(2) second reactor is handled
Second reactor is used for rubbish from cooking hot fermentation, promotes organic matter degradation, kills pathogen.Second reactor is first
Thermophilic high temperature microbe is added before secondary operation, while first-stage reactor saturated humidity outlet enters second order reaction after heat pump heat exchanging
Device, in second reactor reaction process, at 60-80 DEG C, ventilation quantity is controlled in 1-5m for infrared radiation temperature control3/ h, air inlet temperature
Degree is 60-80 DEG C, and it is primary that every 12h mixes stirring；When the rubbish from cooking in second reactor is more than that volume 3/4 is laggard after 3-4 days
Row discharging, into third-stage reactor.To maintain 55% or more rubbish from cooking moisture content in reaction process, stirred in rubbish from cooking mixing
During mixing, condensed water is introduced from catch basin 11 and the mixed liquor of percolate is sprayed.During later period continuous operation, two
There are 1/6-1/8, the inoculation for thermophilic high temperature microbe starts for stage reactor discharging.
(3) third-stage reactor is handled
Third-stage reactor progress rubbish from cooking is decomposed, realizes that organic matter further decomposes, nutritional ingredient needed for forming plant.
Enter third-stage reactor after second reactor outlet heat pump heat exchanging, and mend with fresh air, maintains rubbish from cooking temperature 30-40
DEG C, ventilation quantity is controlled in 1-5m3/ h mixes stirring primary daily, while introducing from catch basin 11 in mixing whipping process
The mixed liquor of condensed water and percolate is sprayed, and 55% or more heap body moisture content is maintained.After stopping 6-8 days, third-stage reactor
Discharging is rubbish from cooking maturation composting production.
The thermophilic high temperature microbe derives from the dewatered sludge of sewage treatment plant, obtains by continuous high temperature acclimation.
Claims (4)
1. a kind of rubbish from cooking fast composting device, which is characterized in that the device includes three-level main reactor, infra-red radiation heat preservation
Unit, warm-air supply unit and condensed water percolate reflux unit；
The three-level main reactor includes three reactor bodies (3), and three reactor bodies (3) are parallel in the vertical direction
Arrangement, from top to bottom respectively first-stage reactor, second reactor and third-stage reactor, first-stage reactor, second reactor
Discharge port (12) is connected with the feed inlet (1) of second reactor, third-stage reactor respectively；Each reactor body (3) is all made of
Thermal insulation material cladding heat preservation, inside sets double helix material hybrid propulsion device (4), for rubbish from cooking to be pushed to discharge port (12)
During be sufficiently mixed；Rotating barrier is arranged in discharge port (12) and feed inlet (1), for controlling input and output material；
The infra-red radiation heat-insulation unit includes infrared temperature controller (6), thermocouple and infrared heating fluorescent tube (5), three
It is all set at the top of reactor body (3), the probe of thermocouple is for measuring the temperature in reactor, infrared temperature controller
(6) temperature in reactor body (3) is regulated and controled by control infrared heating fluorescent tube (5)；
The warm-air supply unit includes blower, ventilation pipe, flowmeter and heat pump；Ventilation pipe is uniformly laid on each order reaction
Device bottom, ventilation pipe in first-stage reactor successively with external first flowmeter (9), the first heat pump (8), the first blower
(7) it is connected, the gas outlet of first-stage reactor upper end is connected with the first heat pump (8)；Second reactor Center Vent tube road is successively and outside
The second flowmeter (15) in portion, the second heat pump (14), the second blower (13) are connected, the second blower (13) also with the first heat pump (8)
It is connected, the gas outlet of second reactor upper end is connected with the second heat pump (14)；Third-stage reactor Center Vent tube road successively with outside
Third flowmeter (17), third blower (16) be connected, third blower (16) also respectively with outside air, the second heat pump (14) phase
It is logical；Flowmeter is for controlling the ventilation quantity for being passed through each stage reactor；On the one hand heat pump is used to heat the air wait enter reactor,
On the other hand cooling heat release is carried out for the hot outlet of the saturated humidity after reaction, and by under the introducing of the blower of next stage reactor
First-stage reactor；
The condensed water percolate reflux unit includes evaporation water condensation back flow plate (2), catch basin (11), water pump (10) and spray
Head, two evaporations water condensation back flow plate (2) are installed on the top of first-stage reactor, and are connected with catch basin (11)；First order reaction
Device bottom is arranged percolate and exports, and strainer is installed in percolate outlet and is connected with catch basin (11)；It is anti-that spray head is set to second level
The inner tip of device and third-stage reactor is answered, is connected by water pump (10) with catch basin (11)；It evaporates water condensation back flow plate (2)
Percolate in the condensed water to drip and reaction combines in catch basin (11), and by water pump (10) spray in second reactor,
Third-stage reactor.
2. a kind of rubbish from cooking fast composting device according to claim 1, which is characterized in that the double helix material
The direction of propulsion of hybrid propulsion device (4) is on the contrary, be equipped with panel turnover mechanism in transport screw devices end；Transport screw devices and anti-
It is connected to screw by screw drives machinery structures and realizes synchronous operation, speed is controlled by converter plant；It is at different levels anti-
The stirring blade or stirring rod that addition is horizontal and vertical between the blade in device in reverse double-helix are answered, its spacing is 0.1~1.0
Rice, density degree are adjusted according to reactor size and material characteristic.
3. using a kind of fertilizer manufacture of rubbish from cooking fast composting device of any of claims 1 or 2, which is characterized in that step
It is rapid as follows:
(1) first-stage reactor is handled
Rubbish from cooking is loaded into first-stage reactor, the temperature for controlling infrared heating is 80-100 DEG C, ventilation quantity 5-10m3/ h,
Intake air temperature maintains 80-100 DEG C, and the residence time is for 24 hours；Rubbish from cooking stirs once per hour, passes through infra-red radiation and heat
Wind coupled modes realize the fast dewatering of rubbish from cooking, and rubbish from cooking moisture content is made to be down to 55%-60%；It is generated in dehydration
Steam condensed at the top of first-stage reactor, and be mixed into catch basin (11) with bottom percolate, at first-stage reactor dehydration
After reason, rubbish from cooking enters second reactor；
(2) second reactor is handled
Thermophilic high temperature microbe is added before running for the first time in second reactor, while first-stage reactor saturated humidity outlet is through heat pump heat exchanging
Enter second reactor afterwards, in second reactor reaction process, at 60-80 DEG C, ventilation quantity control exists for infrared radiation temperature control
1-5m3/ h, intake air temperature are 60-80 DEG C, and it is primary that every 12h mixes stirring；When the rubbish from cooking in second reactor is super after 3-4 days
It discharges after crossing volume 3/4, into third-stage reactor；To maintain 55% or more rubbish from cooking moisture content in reaction process,
In rubbish from cooking mixing process, sprayed from the mixed liquor for introducing condensed water and percolate in catch basin (11)；Later period
During continuous operation, there are 1/6-1/8, the inoculation for thermophilic high temperature microbe starts for second reactor discharging；
(3) third-stage reactor is handled
Enter third-stage reactor after second reactor outlet heat pump heat exchanging, and mend with fresh air, maintains rubbish from cooking temperature 30-
40 DEG C, ventilation quantity is controlled in 1-5m3It is primary to mix stirring daily by/h, while in mixing whipping process from catch basin (11)
The mixed liquor for introducing condensed water and percolate is sprayed, and 55% or more heap body moisture content is maintained；After stopping 6-8 days, three-level is anti-
Answering device discharging is rubbish from cooking maturation composting production.
4. a kind of rubbish from cooking fast composting method according to claim 3, which is characterized in that the micro- life of thermophilic high temperature
Object derives from the dewatered sludge of sewage treatment plant, obtains by continuous high temperature acclimation.
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| CN201811381519.3A CN109293407B (en) | 2018-11-20 | 2018-11-20 | Kitchen waste rapid fertilizer making device and method |
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| CN201811381519.3A CN109293407B (en) | 2018-11-20 | 2018-11-20 | Kitchen waste rapid fertilizer making device and method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778966A (en) * | 2019-03-01 | 2019-05-21 | 江苏天楹环保能源成套设备有限公司 | The one-stop processing system of rubbish from cooking |
| CN110790590A (en) * | 2019-12-17 | 2020-02-14 | 苏州德容环保科技有限公司 | Aerobic fermentation equipment for kitchen garbage |
| CN111233527A (en) * | 2020-03-15 | 2020-06-05 | 上海龙马环境科技有限公司 | Energy-conserving two-chamber kitchen garbage processing system |
| CN112299892A (en) * | 2020-11-14 | 2021-02-02 | 中国矿业大学(北京) | Kitchen waste self-heating drying and continuous fertilizer making device and method |
| CN112592219A (en) * | 2020-12-28 | 2021-04-02 | 华中科技大学 | Aerobic composting system |
| CN113219132A (en) * | 2021-05-07 | 2021-08-06 | 南京大学 | Reaction device for comprehensively measuring biodegradability of material and using method thereof |
| CN113307673A (en) * | 2021-05-28 | 2021-08-27 | 中国农业大学 | Heat energy cyclic utilization's compost reactor device |
| CN113600600A (en) * | 2021-08-09 | 2021-11-05 | 清华大学 | Auxiliary heat enhanced kitchen garbage rapid biological drying system and method |
| CN113620725A (en) * | 2021-09-09 | 2021-11-09 | 上海同健远大环保机械工程有限公司 | Kitchen waste three-stage fermentation treatment system and treatment method |
| CN114560723A (en) * | 2022-03-28 | 2022-05-31 | 浙江大学 | Courtyard type kitchen waste compost bucket with water-gas control structure and control method |
| EP4046980A1 (en) * | 2021-02-22 | 2022-08-24 | Exel Industries | Compost leachate distribution devices |
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