CN104829278A - Organic garbage compost treatment method - Google Patents
Organic garbage compost treatment method Download PDFInfo
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- CN104829278A CN104829278A CN201410048994.4A CN201410048994A CN104829278A CN 104829278 A CN104829278 A CN 104829278A CN 201410048994 A CN201410048994 A CN 201410048994A CN 104829278 A CN104829278 A CN 104829278A
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- 238000000034 method Methods 0.000 title claims abstract description 58
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 16
- 239000002361 compost Substances 0.000 title abstract description 7
- 239000007789 gas Substances 0.000 claims abstract description 64
- 238000000855 fermentation Methods 0.000 claims abstract description 42
- 230000004151 fermentation Effects 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 38
- 239000002912 waste gas Substances 0.000 claims abstract description 24
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000009264 composting Methods 0.000 claims description 41
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 24
- 239000001301 oxygen Substances 0.000 claims description 24
- 229910052760 oxygen Inorganic materials 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 23
- 239000012530 fluid Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 14
- 239000010865 sewage Substances 0.000 claims description 14
- 238000005086 pumping Methods 0.000 claims description 12
- 239000002781 deodorant agent Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000010802 sludge Substances 0.000 claims description 9
- 238000011001 backwashing Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 8
- 210000000621 bronchi Anatomy 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 239000010815 organic waste Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000153 supplemental effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000010794 food waste Substances 0.000 description 2
- 230000036284 oxygen consumption Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an organic garbage compost treatment method and belongs to the technical field of garbage treatment devices. In the method, a novel compost device mainly comprises a material bin which is divided into a material discharge buffer bin, a fermentation bin and a leachate storage bin. Two spiral material feeding rollers are installed rotatably on the material bin and are used for transporting materials from the fermentation bin to the material discharge buffer bin. A stirring roller is installed rotatably in the fermentation bin and is provided with a liquid flowing channel being connected to a hydrogen peroxide pump-feeding pipeline. The stirring roller is provided with a plurality of liquid discharge holes. A plurality of waste gas outlets are formed on the top of the material bin, wherein each waste gas outlet is communicated with a gas path pipeline through a branch gas pipeline. The gas path pipeline is connected to a waste gas treatment apparatus and is provided with a vacuum pump. A leachate outlet is arranged on the bottom of the leachate storage bin and is communicated with a waste water treatment apparatus. The treatment method is reduced in treatment time, is improved in treatment efficiency, is reduced in treatment cost and can be widely applied in garbage treatment.
Description
Technical field
The present invention relates to a kind of organic waste composting treatment method, belong to technical field of garbage disposal.
Background technology
Along with the quickening of Chinese Urbanization level and improving constantly for the treatment of rate of domestic sewage, the organic waste of generation also gets more and more, and in organic waste, a main part shows that the sludge quantity that sewage treatment process produces sharply increases.But, owing to lacking rationally effective management process and process disposal technology, a large amount of municipal sludge can only be stacked temporarily, and the secondary pollution caused thus brings huge harm to environment, and the process treatment approach of reasonable has become countries in the world letter hot issue to be solved.
Aerobic fermentation refers to and utilizes aerobic bacteria and oxygen, and sludge high temperature is fermented, and it is process and the cost-effective good method of one disposing municipal sludge, has and makes the advantage such as organic nuisance complete decomposition, good control.It uses multidisciplinary technology, utilize micropopulation to drop in specific environment to decompose heterogeneous organism, improving sludge is become stable soil ulmin, for fertilizing the soil or soil improvement, Composting Process is often divided into three phases: the first stage is middle thermophase, subordinate phase is hot stage, and the phase III is the stage of becoming thoroughly decomposed.The mark that middle thermophase terminates is heap temperature rise to 45 DEG C, and hot stage oxygen consumption rate is high, temperature is high, volatile organic matter degradation rate is high, stink is dense; Becoming thoroughly decomposed, then temperature was low, oxygen consumption rate is low, voidage increases, soil ulmin increases and stabilization the stage.Aerobic compost is innoxious will ensure that stack layers temperature keeps 5-7 days more than 55 DEG C, kills relation by marriage worm's ovum and colibacillary requirement to reach, and therefore whole treating processes is got off the needs time of about ten days altogether.
, air increasing with regard to current domestic refuse and the strict living environment of environmental quality requirement, traditional treating processes spended time is longer, processing efficiency is on the low side, cause pending rubbish or solid waste pilling up time long, and the stink produced in compost reaction process is difficult to process, influence ecological environment, or process needs expensive resource, and cost is higher.
Therefore, for a kind of new organic waste compost method of exploitation, not only have urgent researching value, also have good economic benefit and industrial application potentiality, this is the power place that is accomplished of the present invention and basis just.
Summary of the invention
In order to overcome the defect of above-mentioned pointed existing organic garbage composting device, the present inventor, to this has been further investigation, after having paid a large amount of creative work, thus completes the present invention.
Specifically, technical problem to be solved by this invention is: provide a kind of composting treatment method using novel organic garbage composting device, and described method, by using this device, shortens the treatment time, improves processing efficiency, reduce processing cost.
For solving the problems of the technologies described above, technical scheme of the present invention is: provide a kind of composting treatment method using organic garbage composting device, wherein said organic garbage composting device comprises frame, described frame is provided with feed bin, described feed bin top is provided with opening for feed, vertical baffle and lateral partitions is provided with in described feed bin, described feed bin is divided into discharging surge bunker and the fermentation cabin of lateral distribution by described vertical baffle, discharge port is provided with bottom described discharging surge bunker, described opening for feed is for described fermentation cabin position, described lateral partitions is provided with some liquid-leadage holes, described fermentation cabin is communicated with sepage storage silo by liquid-leadage hole, described sepage storage bin is below described fermentation cabin, described feed bin is rotatablely equipped with two for material to be delivered to the spiral transferring material roller of described discharging surge bunker by described fermentation cabin, two described spiral transferring material rollers be arranged in parallel and all connect the first power set, the agitating roller driven by the second power set is rotatablely equipped with in described fermentation cabin, the axis of described spiral transferring material roller and the axes normal of described agitating roller are arranged, described agitating roller is provided with axially extended fluid flow paths, described fluid flow paths connects hydrogen peroxide pumping line, and described agitating roller is provided with some radial directions and extends and be communicated with the fluid hole of described fluid flow paths, the corresponding described discharging surge bunker in described feed bin top and fermentation cabin position are provided with some waste gas outlets, and each described waste gas outlet all connects gas path pipe by a segmental bronchus, and described gas path pipe connects emission-control equipment, and described gas path pipe is provided with vacuum pump, sepage outlet is provided with, described sepage outlet wastewater treatment equipment bottom described sepage storage silo, described first power set, the second power set, the equal connection control unit of vacuum pump,
Described treatment process is specially: be municipal sludge and the quality water ratio of 60-90% by quality water ratio be the solid organic castoff of 5-20%, join in the fermentation cabin of described composting device according to the mass ratio of 2-4:1 by opening for feed, close opening for feed, open electric-control stop valve, start vacuum pump, make the negative pressure forming 10-20KPa in fermentation cabin, then electric-control stop valve is closed, starting variable-frequency motor drives agitating roller to rotate, be warming up to 40-60 DEG C, add hydrogen peroxide, stir 20-28 hour, when temperature reaches 70 DEG C, keep 1-2 days at such a temperature, thus complete this process.
In described composting treatment method of the present invention, the quality water ratio of described municipal sludge is 60-90%, such as, can be 60%, 70%, 80% or 90%.
In described composting treatment method of the present invention, described solid organic castoff such as can be feces of livestock and poultry, changing food waste, plant rod straw etc., and its quality water ratio is 5-20%, such as, can be 5%, 10%, 15% or 20%.
In described composting treatment method of the present invention, add the amount of hydrogen peroxide, it is 30 that quality water ratio in the mixture of stirring gained after a day should be made to be 55-65%, C/N, and wherein C/N refers to carbon containing in mixture and nitrogenous mass ratio.
In described composting treatment method of the present invention, improve as one, if in treating processes in fermentation cabin carrier of oxygen volume concentrations lower than 15%, such as lower than 10%, lower than 5%, then by spiral transferring material roller supplemental oxygen, until fermentation cabin 6 internal pressure is higher than 20KPa, preferably higher than 25KPa, most preferably higher than 30KPa.
In described composting treatment method of the present invention, improve as one, spiral transferring material roller described in every root is equipped with axially extended air ventilation passage, described air ventilation passage connects oxygen pumping line, and described spiral transferring material roller is provided with some radial directions and extends and be communicated with the production well of described air ventilation passage.
In described composting treatment method of the present invention, as further improvement, described production well comprise set gradually inlet end, throughput and outlet side, described inlet end and outlet side are taper, described throughput is tubular, the outside diameter of described inlet end is greater than the diameter of described throughput, and the outside diameter of described outlet side is greater than the diameter of described throughput, and the small end of described inlet end and outlet side all connects with described throughput.
In described composting treatment method of the present invention, improve as one, blow-back washing unit is provided with bottom described sepage storage silo, described blow-back washing unit comprises and is installed on described feed bin and is communicated with the inlet pipe of described sepage storage silo, described inlet pipe connects a gas blower, and described gas blower connects described control unit by the time relay.
In described composting treatment method of the present invention, improve as one, be provided with temperature sensor and oxygen concentration sensor in described fermentation cabin, described temperature sensor and oxygen concentration sensor are all connected described control unit.
In described composting treatment method of the present invention, improve as one, described segmental bronchus is provided with electric-control stop valve, and described electric-control stop valve connects described control unit.
In described composting treatment method of the present invention, as further improvement, described emission-control equipment comprises exhaust gas treating tower, described off gas treatment tower bottom is provided with Sewage outlet, described off gas treatment top of tower is provided with clean gas discharge outlet, be provided with the waste gas inlet connecting described gas path pipe above described Sewage outlet, the top of described waste gas inlet is provided with spray deodorizer, is provided with dry powder deodorizer above described spray deodorizer near described clean gas discharge outlet position.
In described composting treatment method of the present invention, as further improvement, described spray deodorizer comprises the shower connecting deodorant liquid pumping line, and described shower extends in described exhaust gas treating tower along the radial direction of described exhaust gas treating tower, and described shower is provided with some shower nozzles; Described dry powder deodorizer comprises the housing be arranged in described exhaust gas treating tower, described housing is provided with some circuitous channels, described circuitous channel one end is communicated with waste gas inlet, the other end is communicated with clean gas discharge outlet, described housing is provided with the sucking that some and described circuitous channel is communicated with, and is provided with deodorant powder in described housing.
In described composting treatment method of the present invention, as further improvement, described gas path pipe tilts to be installed on described exhaust gas treating tower, and described waste gas inlet is towards described off gas treatment tower bottom.
In described composting treatment method of the present invention, as further improvement, described Sewage outlet is connected with described wastewater treatment equipment.
After have employed above-mentioned treatment process, present invention produces following beneficial effect:
1. owing to being provided with agitating roller in fermentation cabin, and agitating roller adds hydrogen peroxide while stirring, make organic waste in whipping process, obtain abundant mixed oxidization, avoid the defect being deposited to bottom generation accumulation and being difficult to be oxidized, substantially reduce the reaction times of middle thermophase and hot stage;
2. owing to employing vacuum pump, ensure the certain negative pressure in feed bin at middle thermophase and hot stage, compared with traditional technology, at the same reaction temperature, no matter at middle thermophase, hot stage or become thoroughly decomposed the stage, all substantially reduce the reaction times; Use this device process organic waste, need the time of about 5 days just can complete, improve the processing efficiency of a times nearly, substantially reduce time of stacking garbage.
3. because spiral transferring material roller connects oxygen pumping line, when oxygen concentration in fermentation cabin reduces, can supplemental oxygen in time, for organic waste aerobic reaction, and oxygen is from fermentation cabin internal feed, rubbish is fully contacted with oxygen, thus reduce further the treatment time.
4. because the production well shape on spiral transferring material roller is set to big at both ends and small in middle, make material both be not easy to block production well, oxygen can be made again with ejection at a high speed.
5., owing to being provided with blow-back washing unit bottom sepage storage silo, when the liquid-leadage hole in lateral partitions is blocked, sepage speed will be affected, now can use blow-back washing unit, and blocked liquid-leadage hole be washed open, further increases processing efficiency.
6. owing to controlling suitable hydrogen peroxide add-on, thus accelerate process, optimize treatment process.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the layout schematic diagram of spiral transferring material roller in the embodiment of the present invention and agitating roller;
Fig. 3 is the structural representation of production well in the embodiment of the present invention;
Fig. 4 is the structural representation of wastewater treatment equipment in the embodiment of the present invention.
Wherein, in figures 1-4, each number designation refers to following concrete meaning, element and/or parts respectively.
In figure: 1, frame, 2, feed bin, 3, vertical baffle, 4, lateral partitions, 5, discharging surge bunker, 6, fermentation cabin, 7, sepage storage silo, 8, discharge port, 9, opening for feed, 10, waste gas outlet, 11, emission-control equipment, 111, exhaust gas treating tower, 112, clean gas discharge outlet, 113, Sewage outlet, 114, gas path pipe, 115, deodorant liquid pumping line, 116, shower, 117, shower nozzle, 118, housing, 119, circuitous channel, 12, sepage exports, and 13, wastewater treatment equipment, 14, electric-control stop valve, 15, the time relay, 16, gas blower, 17, strainer, 18, inlet pipe, 19, electric motor, 20, spiral transferring material roller, 201, air ventilation passage, 202, production well, 2021, inlet end, 2022, throughput, 2023, outlet side, 21, agitating roller, 211, stir shaft, 212, agitating vane, 213, fluid flow paths, 214, fluid hole, 22, vacuum pump, 23, swivel joint, 24, temperature sensor, 25, oxygen concentration sensor.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.But the purposes of these exemplary embodiments and object are only used for exemplifying the present invention, not any type of any restriction is formed to real protection scope of the present invention, more non-protection scope of the present invention is confined to this.
As Fig. 1, Fig. 2, shown in common in Fig. 3 and Fig. 4, the invention provides a kind of composting treatment method using organic garbage composting device, wherein said organic garbage composting device mainly comprises frame 1, frame 1 is provided with feed bin 2, feed bin 2 top is provided with opening for feed 9, vertical baffle 3 and lateral partitions 4 is provided with in feed bin 2, feed bin 2 is divided into discharging surge bunker 5 and the fermentation cabin 6 of lateral distribution by vertical baffle 3, discharge port 8 is provided with bottom discharging surge bunker 5, opening for feed 9 is for fermentation cabin 6 position, lateral partitions 4 is provided with some liquid-leadage holes, fermentation cabin 6 is communicated with sepage storage silo 7 by liquid-leadage hole, sepage storage silo 7 is positioned at below fermentation cabin 6, feed bin 2 is rotatablely equipped with two for material to be delivered to the spiral transferring material roller 20 of discharging surge bunker 5 by fermentation cabin 6, two spiral transferring material rollers 20 be arranged in parallel and all connect the first power set, the agitating roller 21 driven by the second power set is rotatablely equipped with in fermentation cabin 6, the agitating vane 212 that agitating roller 21 comprises stir shaft 211 and is fixedly mounted on stir shaft 211, the axis of spiral transferring material roller 20 and the axes normal of agitating roller 21 are arranged, agitating vane 212 has three groups at least, one group of agitating vane 212 is set between two spiral transferring material rollers 20, in the both sides of two spiral transferring material rollers 20, one group of agitating vane 212 is respectively set, agitating roller 21 is provided with axially extended fluid flow paths 213, stir shaft 211 is set to hollow, hollow cavity then forms fluid flow paths 213, fluid flow paths 213 connects hydrogen peroxide pumping line, agitating roller 21 is provided with some radial directions and extends and be communicated with the fluid hole 214 of fluid flow paths 213, the corresponding discharging surge bunker 5 in feed bin 2 top and fermentation cabin 6 position are provided with some waste gas outlets 10, and each waste gas outlet 10 all connects gas path pipe 114 by a segmental bronchus, and gas path pipe 114 connects emission-control equipment 11, and gas path pipe 114 is provided with vacuum pump 22, be provided with sepage outlet 12 bottom sepage storage silo 7, sepage outlet 12 is communicated with wastewater treatment equipment 13, and wastewater treatment equipment 13 is mature equipment, does not repeat them here, first power set, the second power set, vacuum pump 22 be connection control unit all, and the first power set is preferably electric motor 19, and the second power set is preferably variable-frequency motor, and control unit is preferably programmable logic controller.
Every root spiral transferring material roller 20 is equipped with axially extended air ventilation passage 201, air ventilation passage 201 connects oxygen pumping line, usually, oxygen pumping line is arranged on the end of spiral transferring material roller 20 by swivel joint 23, spiral transferring material roller 20 is provided with some radial directions and extends and be communicated with the production well 202 of air ventilation passage 201, production well 202 comprises the inlet end 2021 set gradually, throughput 2022 and outlet side 2023, inlet end 2021 and outlet side 2023 are taper, throughput 2022 is tubular, the outside diameter of inlet end 2021 is greater than the diameter of throughput 2022, the outside diameter of outlet side 2023 is greater than the diameter of throughput 2022, the small end of inlet end 2021 and outlet side 2023 all connects with throughput 2022.
Blow-back washing unit is provided with bottom sepage storage silo 7, blow-back washing unit comprises and is installed on feed bin 2 and is communicated with the inlet pipe 18 of sepage storage silo 7, inlet pipe 18 connects a gas blower 16, gas blower 16 is by the time relay 15 connection control unit, strainer 17 is provided with, for the high-pressure air that filter drum blower fan 16 blows out between gas blower 16 and inlet pipe 18.
For the ease of the temperature in control fermentation cabin 6 and oxygen concentration, temperature sensor 24 and oxygen concentration sensor 25 are installed in fermentation cabin 6, temperature sensor 24 and oxygen concentration sensor 25 all connection control units.
Segmental bronchus is provided with electric-control stop valve 14, electric-control stop valve 14 connection control unit.
Emission-control equipment 11 comprises exhaust gas treating tower 111, Sewage outlet 113 is provided with bottom exhaust gas treating tower 111, exhaust gas treating tower 111 top is provided with clean gas discharge 112, the waste gas inlet connecting gas path pipe 114 is provided with above Sewage outlet 113, the top of waste gas inlet is provided with spray deodorizer, dry powder deodorizer is provided with near clean gas discharge outlet 112 position above spray deodorizer, spray deodorizer comprises the shower 116 connecting deodorant liquid pumping line 115, certainly, different according to the kind of organic waste, those skilled in the art can select suitable deodorant liquid voluntarily.Shower 116 extends in exhaust gas treating tower 111 along the radial direction of exhaust gas treating tower 111, and shower 116 is provided with some shower nozzles 117, and shower nozzle 117 can arrange multilayer, to reach best deodorizing effect, dry powder deodorizer comprises the housing 118 be arranged in exhaust gas treating tower 111, housing 118 is provided with some circuitous channels 119, circuitous channel 119 one end is communicated with waste gas inlet, the other end is communicated with clean gas discharge outlet 112, housing 118 is provided with some suckings be communicated with circuitous channel 119, deodorant powder is provided with in housing 118, according to the kind of organic waste, (deodorant liquid and deodorant powder are commercially product can to select different deodorant powders, do not repeat them here), gas path pipe 114 tilts to be installed on exhaust gas treating tower 111, waste gas inlet is bottom exhaust gas treating tower 111, during spray, be unlikely to make spray liquid flow backward in gas path pipe 114, Sewage outlet 113 is connected with wastewater treatment equipment 13.
For describing composting device of the present invention in more detail, following its working process of description.
Embodiment 1
Get quality water ratio be 85% municipal sludge and quality water ratio be that the changing food waste of 10% is in mass ratio for the ratio of 3:1 joins in the fermentation cabin 6 of this composting device by opening for feed 9, close opening for feed 9, open electric-control stop valve 14, start vacuum pump 22, make the negative pressure forming 15KPa in fermentation cabin 6, close electric-control stop valve 14, starting variable-frequency motor drives agitating roller 21 to rotate, be warming up to 45 DEG C, add hydrogen peroxide, its amount should make stirring after one day the quality water ratio of mixture be 60% and C/N (mass ratio) be 30.Through so process, within second day, temperature just can reach more than 50 DEG C, maximum 70 DEG C are reached at the 3rd day, then keep two days at such a temperature, actuating motor 19, drives spiral transferring material roller 20 to rotate, makes mud and solid organic castoff be transferred to discharging surge bunker 5 by the rotation of spiral transferring material roller 20, open discharge port 8, discharge.In this treating processes, if oxygen concentration is lower than certain value in fermentation cabin 6, such as carrier of oxygen volume concentrations is less than 5%, then by spiral transferring material roller 20 supplemental oxygen, until the pressure in fermentation cabin 6 is higher than 20KPa, then open electric-control stop valve 14, vacuumize, waste gas is expelled to emission-control equipment 11 by the waste gas outlet 10 at top, and the sewage in emission-control equipment 11 is then disposed in wastewater treatment equipment 13, focuses on percolate.This treatment unit only can complete the compost treatment of mud and solid-state fluorescence material less than 5 days, substantially reduce the treatment time, and off gas treatment is completely up to standard, and sewage also achieves and focuses on, and saves resource.
Should be appreciated that the purposes of these embodiments is only not intended to for illustration of the present invention limit the scope of the invention.In addition; also should understand; after having read technology contents of the present invention, those skilled in the art can make various change, amendment and/or modification to the present invention, and these all equivalent form of values fall within the protection domain that the application's appended claims limits equally.
Claims (10)
1. one kind uses the composting treatment method of organic garbage composting device, wherein said organic garbage composting device comprises frame, described frame is provided with feed bin, described feed bin top is provided with opening for feed, vertical baffle and lateral partitions is provided with in described feed bin, described feed bin is divided into discharging surge bunker and the fermentation cabin of lateral distribution by described vertical baffle, discharge port is provided with bottom described discharging surge bunker, described opening for feed is for described fermentation cabin position, described lateral partitions is provided with some liquid-leadage holes, described fermentation cabin is communicated with sepage storage silo by liquid-leadage hole, described sepage storage bin is below described fermentation cabin, described feed bin is rotatablely equipped with two for material to be delivered to the spiral transferring material roller of described discharging surge bunker by described fermentation cabin, two described spiral transferring material rollers be arranged in parallel and all connect the first power set, the agitating roller driven by the second power set is rotatablely equipped with in described fermentation cabin, the axis of described spiral transferring material roller and the axes normal of described agitating roller are arranged, described agitating roller is provided with axially extended fluid flow paths, described fluid flow paths connects hydrogen peroxide pumping line, and described agitating roller is provided with some radial directions and extends and be communicated with the fluid hole of described fluid flow paths, the corresponding described discharging surge bunker in described feed bin top and fermentation cabin position are provided with some waste gas outlets, and each described waste gas outlet all connects gas path pipe by a segmental bronchus, and described gas path pipe connects emission-control equipment, and described gas path pipe is provided with vacuum pump, sepage outlet is provided with, described sepage outlet wastewater treatment equipment bottom described sepage storage silo, described first power set, the second power set, the equal connection control unit of vacuum pump,
Described treatment process is specially: be municipal sludge and the quality water ratio of 60-90% by quality water ratio be the solid organic castoff of 5-20%, join in the fermentation cabin of described composting device according to the mass ratio of 2-4:1 by opening for feed, close opening for feed, open electric-control stop valve, start vacuum pump, make the negative pressure forming 10-20KPa in fermentation cabin, then electric-control stop valve is closed, starting variable-frequency motor drives agitating roller to rotate, be warming up to 40-60 DEG C, add hydrogen peroxide, stir 20-28 hour, when temperature reaches 70 DEG C, keep 1-2 days at such a temperature, thus complete this process.
2. composting treatment method as claimed in claim 1, it is characterized in that: spiral transferring material roller described in every root is equipped with axially extended air ventilation passage, described air ventilation passage connects oxygen pumping line, and described spiral transferring material roller is provided with some radial directions and extends and be communicated with the production well of described air ventilation passage.
3. composting treatment method as claimed in claim 2, it is characterized in that: described production well comprise set gradually inlet end, throughput and outlet side, described inlet end and outlet side are taper, described throughput is tubular, the outside diameter of described inlet end is greater than the diameter of described throughput, the outside diameter of described outlet side is greater than the diameter of described throughput, and the small end of described inlet end and outlet side all connects with described throughput.
4. composting treatment method as claimed in claim 1, it is characterized in that: bottom described sepage storage silo, be provided with blow-back washing unit, described blow-back washing unit comprises and is installed on described feed bin and is communicated with the inlet pipe of described sepage storage silo, described inlet pipe connects a gas blower, and described gas blower connects described control unit by the time relay.
5. composting treatment method as claimed in claim 1, it is characterized in that: be provided with temperature sensor and oxygen concentration sensor in described fermentation cabin, described temperature sensor and oxygen concentration sensor are all connected described control unit.
6. the composting treatment method as described in as arbitrary in claim 1 to 5 as described in claim, it is characterized in that: described segmental bronchus is provided with electric-control stop valve, described electric-control stop valve connects described control unit.
7. composting treatment method as claimed in claim 6, it is characterized in that: described emission-control equipment comprises exhaust gas treating tower, described off gas treatment tower bottom is provided with Sewage outlet, described off gas treatment top of tower is provided with clean gas discharge outlet, the waste gas inlet connecting described gas path pipe is provided with above described Sewage outlet, the top of described waste gas inlet is provided with spray deodorizer, is provided with dry powder deodorizer above described spray deodorizer near described clean gas discharge outlet position.
8. composting treatment method as claimed in claim 7, it is characterized in that: described spray deodorizer comprises the shower connecting deodorant liquid pumping line, described shower extends in described exhaust gas treating tower along the radial direction of described exhaust gas treating tower, and described shower is provided with some shower nozzles; Described dry powder deodorizer comprises the housing be arranged in described exhaust gas treating tower, described housing is provided with some circuitous channels, described circuitous channel one end is communicated with waste gas inlet, the other end is communicated with clean gas discharge outlet, described housing is provided with the sucking that some and described circuitous channel is communicated with, and is provided with deodorant powder in described housing.
9. composting treatment method as claimed in claim 8, is characterized in that: described gas path pipe tilts to be installed on described exhaust gas treating tower, and described waste gas inlet is towards described off gas treatment tower bottom.
10. composting treatment method as claimed in claim 9, is characterized in that: described Sewage outlet is connected with described wastewater treatment equipment.
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| CN111732465A (en) * | 2020-07-31 | 2020-10-02 | 山东省农业科学院农业资源与环境研究所 | Vegetable waste composting and anaerobic digestion integrated device |
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| CN117282293B (en) * | 2023-11-24 | 2024-02-23 | 江苏鸿升生物科技有限公司 | Edible fungus culture medium mixing stirring device |
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| CN104829278B (en) | 2018-01-30 |
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