CN103145484B - Method for preparing compound fertilizer through stirring type temperature feedback aerobic/anaerobic sludge garbage composting - Google Patents
Method for preparing compound fertilizer through stirring type temperature feedback aerobic/anaerobic sludge garbage composting Download PDFInfo
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- CN103145484B CN103145484B CN201310114986.0A CN201310114986A CN103145484B CN 103145484 B CN103145484 B CN 103145484B CN 201310114986 A CN201310114986 A CN 201310114986A CN 103145484 B CN103145484 B CN 103145484B
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- 238000009264 composting Methods 0.000 title claims abstract description 61
- 239000003337 fertilizer Substances 0.000 title claims abstract description 27
- 239000010802 sludge Substances 0.000 title claims abstract description 25
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 19
- 150000001875 compounds Chemical class 0.000 title claims abstract description 10
- 238000003756 stirring Methods 0.000 title claims abstract description 7
- 239000002361 compost Substances 0.000 claims abstract description 44
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 4
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims abstract description 4
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 claims abstract description 4
- 229910000389 calcium phosphate Inorganic materials 0.000 claims abstract description 4
- 239000004202 carbamide Substances 0.000 claims abstract description 4
- 235000019837 monoammonium phosphate Nutrition 0.000 claims abstract description 4
- 239000006012 monoammonium phosphate Substances 0.000 claims abstract description 4
- 235000019691 monocalcium phosphate Nutrition 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000007789 gas Substances 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 12
- 230000009123 feedback regulation Effects 0.000 claims description 12
- 238000000855 fermentation Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000005416 organic matter Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 8
- 230000004151 fermentation Effects 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 7
- 244000005700 microbiome Species 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 102000002322 Egg Proteins Human genes 0.000 claims description 4
- 108010000912 Egg Proteins Proteins 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 230000004060 metabolic process Effects 0.000 claims description 4
- 210000004681 ovum Anatomy 0.000 claims description 4
- 230000003071 parasitic effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 241000196324 Embryophyta Species 0.000 claims description 3
- 230000031018 biological processes and functions Effects 0.000 claims description 3
- 230000034994 death Effects 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 244000000010 microbial pathogen Species 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000004071 biological effect Effects 0.000 abstract 1
- 235000013877 carbamide Nutrition 0.000 abstract 1
- 230000000704 physical effect Effects 0.000 abstract 1
- 235000011164 potassium chloride Nutrition 0.000 abstract 1
- 239000001103 potassium chloride Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 230000000050 nutritive effect Effects 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 241000256113 Culicidae Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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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- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a method for preparing a compound fertilizer through stirring type temperature feedback aerobic/anaerobic sludge garbage composting. A device for preparing a compound fertilizer through stirring type temperature feedback aerobic/anaerobic sludge garbage composting consists of a composting tank and a temperature feedback adjusting system, wherein a spiral propulsion device is mounted on the central axis position of the composting tank; the lower end of the spiral propulsion device is connected with a reversing motor which is used for controlling the forward and backward operation of the spiral propulsion device so as to realize physical and biological effects of the mixture and obtain compost; and urea, monoammonium phosphate, potassium chloride and calcium superphosphate are added, and the materials are stirred and mixed to obtain a compound fertilizer. The method disclosed by the invention is convenient to operate and environment-friendly, realizes efficient composting and provides practical convenience to the fertilizer preparation through compositing of garbage sludge and organic matters.
Description
Technical field
The present invention relates to a kind ofly under Temperature Feedback condition, complete sludge garbage aerobic-anaerobic (OA) compost with multifunctional spiral thruster, and the method for realization and inorganic fertilizer blending making composite fertilizer.
Background technology
Compost is under manually operated condition, utilize metabolism aerobic, anaerobion, under middle high-temperature aerobic condition, to organism degrade, stable a kind of harmless treatment, degradable organism in solid waste is converted into the process of stable soil ulmin; At present, China has for the research of composting device: old generation has been developed DANO trial model with waiting, the characteristic of DANO compost reactor, and utilize the dynamic composting process of DANO formula to process domestic refuse; The people such as Zhou Shaoqi have carried out certain research to the alternately anaerobic-aerobic of sludge garbage, for the anaerobic-aerobic composting technology of sludge garbage hybrid composting provides theoretical foundation; Abroad, the people such as V.Banegas utilize two kinds of dissimilar mud (aerobic sludge and anaerobic sludge) and wood sawdust to carry out compost, find that the effect of aerobic sludge compost is better than anaerobic sludge compost, are also more suitable for agricultural application; Although the research of compost aspect is more, because the special property of mud, rubbish, still there is more problem in composting, for example nitrogen loss, and the cycle of compost is longer, and composting material organic matter degradation is insufficient etc.; Composting material proportioning, C/N ratio, water ratio and pH, draft type and these combined factors of compost temperature control affect process and the compost effect of composting, definite being difficult to of these conditions controlled, single organism compost can not meet farm crop needs, cause not reaching the good result of compost application, and complete sludge garbage aerobic-anaerobic (OA) compost with multifunctional spiral thruster, and the method that composite fertilizer is made in realization and inorganic fertilizer blending has no report.
Summary of the invention
The object of the invention is to overcome the shortcoming that the cycle is grown, meeting produces foul gas, investment and running cost is higher, compost is insufficient and applicability is not strong of traditional composting process, the method for the good anaerobic sludge garbage compost of a kind of stirring-type Temperature Feedback composite fertilizer processed is provided.
Concrete steps are:
(1) the good anaerobic sludge garbage compost of a kind of stirring-type Temperature Feedback compound fertilizer facility processed is set, is formed by composting tank and Temperature Feedback regulation system, composting tank top is provided with inductor block access hole, tail gas detects mouth and exhaust collection interface, composting tank top comprises gas skirt and water leg, water leg outside is provided with dewatering outlet, flange packing is housed below water leg, composting tank outer upper is provided with opening for feed, composting tank outer lower portion is provided with discharge port, inside composting tank, upper, middle and lower is respectively equipped with dissolved oxygen probe and temp probe, composting tank central axial line position is provided with spiral pushing device, spiral pushing device lower end connects reversing motor, for controlling the positive and negative twocouese running of spiral pushing device, composting tank intracavity bottom mounting bracket, on support, place filler, filler top arranges separation net, Temperature Feedback regulation system comprises aerating apparatus and hot water circulation equipment, and aerating apparatus is connected to composting tank intracavity bottom by pipeline, and aerating apparatus comprises air regulator and gas blower, hot water circulation equipment comprises thermal insulation layer, recycle pump, heating kettle and the hot-water circulation pipe in composting tank outside, and thermal insulation layer bottom connects heating kettle by pipeline through recycle pump, and heating kettle is connected to thermal insulation layer top by hot-water circulation pipe, Temperature Feedback regulation system realizes aerobic, the anaerobism alternate run of compost by controlling aerating apparatus and hot water circulation equipment.
The parameter of the good anaerobic sludge garbage compost of described stirring-type Temperature Feedback compound fertilizer facility processed is set to: reverse rotation charging 1 minute time, fill process 5 minutes, composting tank plot ratio is controlled at 75%, then be rotated in the forward, the ventilation of continuous ventilating is set as 0.4 liter/min, middle level temperature during lower than 35 DEG C feedback regulation spiral propeller stop the rotation, after stopping the rotation, open immediately hot water circulation equipment; C/N ratio is controlled at 26:1, and moisture control is 53%.
(2) sludge garbage mixture material after pretreatment enters composting tank through opening for feed, opens gas blower and be rotated in the forward spiral pushing device to make in-tank mixing material carry out a series of physics and biological action, i.e. mixed friction, on one side fermentation on one side; At the initial stage of fermentation, mesopilous organisms is more active, mainly carry out perishable organic substance decomposing metabolism and produce biological heat, the mechanical thermal that mixed friction produces simultaneously, temperature in cylinder is raise rapidly, move 8 hours, middle lower floor temperature all can reach 60 DEG C～70 DEG C, can kill parasitic ovum, pathogenic micro-organism and weed seed wherein, have a liking for warm microorganism and be suppressed even death, high temperature microbe carries out organic matter degradation, and the organism of some more difficult decomposition is also decomposed gradually, soil ulmin starts to form, mixture preliminarily stabilised; After high temperature, mixture oxygen requirement reduces gradually, and temperature also continues to decline, and has a liking for warm microorganism and starts actively, continues decomposing organic matter and also hybrid composting is become thoroughly decomposed; When temperature is down to 30 DEG C, automatically close gas blower, spiral pushing device out of service, start recycle pump, thermal insulation layer carried out to monitoring temperature, carry out intermediate temperature anaerobic fermentation by remaining can decomposing organic matter slow oxidation, move after 15 days, be rotated in the forward spiral pushing device, a small amount of sticky group in compost can be opened, make compost.
(3) urea, monoammonium phosphate, Repone K, calcium superphosphate and step (2) are made to compost and add composting tank in 25:10:10:15:40 ratio, spiral pushing device forward stirs 15 minutes, open discharge port and open reversing motor, make spiral pushing device reverse rotation complete discharging, make composite fertilizer.
The advantage of the inventive method:
(1) the hybrid composting technology of mud and rubbish has advantages of economy, easy, resourcebility.Spiral propeller raw material mixes fully, accelerates the dissolving of oxygen, promotes that aerobic stage compost is abundant, and method of the present invention provides data induction, and immediate feedback regulates compost parameter, simple operation, the compost effect of accurately realizing ideal.
(2) to make full use of moisture percentage in sewage sludge high for the hybrid composting of mud and rubbish, the nutritive substance that contains the applicable crop growths such as abundant nitrogen, phosphorus, potassium, municipal wastes water ratio is relatively low and feature that organism is more, two kinds of raw materials are mixed than calculating according to a certain percentage through C/N, by aerobic high-heat aerobic fermentation and anaerobism mesophilic digestion, kill pathogenic organisms and parasitic ovum, and retaining the content of the nutritive substances such as the needed nitrogen of plant-growth soil, phosphorus, potassium, form good vegetable mould.
(3) inorganic fertilizer blending becomes composite fertilizer, simply realizes the making of composite fertilizer, has strengthened the practicality of compost, realizes fully, efficient, intelligent compost; After intermittent type compost will ferment for the first time, the rotten thing of non-heap is got rid of, and can make compost volume reduce 1/2, in addition, during because of compost, stirs through spiral propeller, has accelerated becoming thoroughly decomposed process, has shortened fermentation period.
Brief description of the drawings
Fig. 1 is apparatus structure schematic diagram used herein.
Mark in figure: 1-inductor block access hole; 2-tail gas detects mouth; 3-exhaust collection interface; 4-gas skirt; 5-water leg; 6-dewatering outlet; 7-flange packing; 8-opening for feed; 9-dissolved oxygen probe; 10-temp probe; 11-spiral pushing device; 12-discharge port; 13-air regulator; 14-gas blower; 15-separation net; 16-reversing motor; 17-filler; 18-support; 19-thermal insulation layer; 20-recycle pump; 21-heating kettle; 22-hot-water circulation pipe.
Fig. 2 is the floor map of flange packing in device used herein.
Mark in figure: 7-flange packing.
Fig. 3 is embodiment of the present invention schema.
Embodiment
Embodiment:
The present embodiment is taking karst region rubbish sludge composting as example.
(1) the good anaerobic sludge garbage compost of a kind of stirring-type Temperature Feedback compound fertilizer facility processed is set, is formed by composting tank and Temperature Feedback regulation system, composting tank top is provided with inductor block access hole 1, tail gas detects mouth 2 and exhaust collection interface 3, composting tank top comprises gas skirt 4 and water leg 5, water leg 5 outsides are provided with dewatering outlet 6, water leg 5 is equipped with flange packing 7 below, composting tank outer upper is provided with opening for feed 8, composting tank outer lower portion is provided with discharge port 12, inside composting tank, upper, middle and lower is respectively equipped with dissolved oxygen probe 9 and temp probe 10, composting tank central axial line position is provided with spiral pushing device 11, spiral pushing device 11 lower ends connect reversing motor 16, for controlling the positive and negative twocouese running of spiral pushing device 11, composting tank intracavity bottom mounting bracket 18, on support 18, place filler 17, filler 17 tops arrange separation net 15, Temperature Feedback regulation system comprises aerating apparatus and hot water circulation equipment, and aerating apparatus is connected to composting tank intracavity bottom by pipeline, and aerating apparatus comprises air regulator 13 and gas blower 14, hot water circulation equipment comprises thermal insulation layer 19, recycle pump 20, heating kettle 21 and the hot-water circulation pipe 22 in composting tank outside, and thermal insulation layer 19 bottoms connect heating kettle 21 by pipeline through recycle pump 20, and heating kettle 21 is connected to thermal insulation layer 19 tops by hot-water circulation pipe 22, Temperature Feedback regulation system realizes aerobic, the anaerobism alternate run of compost by controlling aerating apparatus and hot water circulation equipment.
The parameter of the good anaerobic sludge garbage compost of described stirring-type Temperature Feedback compound fertilizer facility processed is set to: reverse rotation charging 1 minute time, fill process 5 minutes, composting tank plot ratio is controlled at 75%, then be rotated in the forward, the ventilation of continuous ventilating is set as 0.4 liter/min, middle level temperature during lower than 35 DEG C feedback regulation spiral propeller stop the rotation, after stopping the rotation, open immediately hot water circulation equipment; C/N ratio is controlled at 26:1, and moisture control is 53%.
(2) sludge garbage mixture material after pretreatment enters composting tank through opening for feed 8, opening gas blower 14 and being rotated in the forward spiral pushing device 11 makes in-tank mixing material carry out a series of physics and biological action, i.e. mixed friction, on one side fermentation on one side; At the initial stage of fermentation, mesopilous organisms is more active, mainly carry out perishable organic substance decomposing metabolism and produce biological heat, the mechanical thermal that mixed friction produces simultaneously, temperature in cylinder is raise rapidly, move 8 hours, middle lower floor temperature all can reach 65 DEG C, can kill parasitic ovum, pathogenic micro-organism and weed seed wherein, have a liking for warm microorganism and be suppressed even death, high temperature microbe carries out organic matter degradation, and the organism of some more difficult decomposition is also decomposed gradually, soil ulmin starts to form, mixture preliminarily stabilised; After high temperature, mixture oxygen requirement reduces gradually, and temperature also continues to decline, and has a liking for warm microorganism and starts actively, continues decomposing organic matter and also hybrid composting is become thoroughly decomposed; When temperature is down to 30 DEG C, automatically close gas blower 14, spiral pushing device 11 out of service, start recycle pump 20, thermal insulation layer 19 carried out to monitoring temperature, carry out intermediate temperature anaerobic fermentation by remaining can decomposing organic matter slow oxidation, move after 15 days, be rotated in the forward spiral pushing device 11, a small amount of sticky group in compost can be opened, make compost.
(3) urea, monoammonium phosphate, Repone K, calcium superphosphate and step (2) are made to compost and add composting tank in 25:10:10:15:40 ratio, spiral pushing device 11 forwards stir 15 minutes, open discharge port 12 and open reversing motor 16, make spiral pushing device 11 reverse rotations complete discharging, make composite fertilizer.
The composite fertilizer that the present embodiment makes is chocolate, without serious caking, odorless, does not recruit mosquitos and flies and insects, water ratio 26%, C:N=35:1, weight decrement 25%, volume reduces 38%, its hygienic standard can reach GB7959-87 " During High-Temperature Composting evaluation of hygiene standard ", participate in after inorganic fertilizer adjusting, percentage of germination is higher simultaneously, meets N, P, K requirement in GB15063-1994 " composite fertilizer ".
Claims (1)
1. a method for the good anaerobic sludge garbage compost of stirring-type Temperature Feedback composite fertilizer processed, is characterized in that concrete steps are:
(1) the good anaerobic sludge garbage compost of a kind of stirring-type Temperature Feedback compound fertilizer facility processed is set, is formed by composting tank and Temperature Feedback regulation system, composting tank top is provided with inductor block access hole, tail gas detects mouth and exhaust collection interface, composting tank top comprises gas skirt and water leg, water leg outside is provided with dewatering outlet, flange packing is housed below water leg, composting tank outer upper is provided with opening for feed, composting tank outer lower portion is provided with discharge port, inside composting tank, upper, middle and lower is respectively equipped with dissolved oxygen probe and temp probe, composting tank central axial line position is provided with spiral pushing device, spiral pushing device lower end connects reversing motor, for controlling the positive and negative twocouese running of spiral pushing device, composting tank intracavity bottom mounting bracket, on support, place filler, filler top arranges separation net, Temperature Feedback regulation system comprises aerating apparatus and hot water circulation equipment, and aerating apparatus is connected to composting tank intracavity bottom by pipeline, and aerating apparatus comprises air regulator and gas blower, hot water circulation equipment comprises thermal insulation layer, recycle pump, heating kettle and the hot-water circulation pipe in composting tank outside, and thermal insulation layer bottom connects heating kettle by pipeline through recycle pump, and heating kettle is connected to thermal insulation layer top by hot-water circulation pipe, Temperature Feedback regulation system realizes aerobic, the anaerobism alternate run of compost by controlling aerating apparatus and hot water circulation equipment,
The parameter of the good anaerobic sludge garbage compost of described stirring-type Temperature Feedback compound fertilizer facility processed is set to: reverse rotation charging 1 minute time, fill process 5 minutes, composting tank plot ratio is controlled at 75%, then be rotated in the forward, the ventilation of continuous ventilating is set as 0.4 liter/min, middle level temperature during lower than 35 DEG C feedback regulation spiral propeller stop the rotation, after stopping the rotation, open immediately water-bath heat-insulation system; C/N ratio is controlled at 26:1, and moisture control is 53%;
(2) sludge garbage mixture material after pretreatment enters composting tank through opening for feed, opens gas blower and be rotated in the forward spiral pushing device to make in-tank mixing material carry out a series of physics and biological action, i.e. mixed friction, on one side fermentation on one side; At the initial stage of fermentation, mesopilous organisms is more active, mainly carry out perishable organic substance decomposing metabolism and produce biological heat, the mechanical thermal that mixed friction produces simultaneously, temperature in cylinder is raise rapidly, move 8 hours, middle lower floor temperature all can reach 60 DEG C ~ 70 DEG C, can kill parasitic ovum, pathogenic micro-organism and weed seed wherein, have a liking for warm microorganism and be suppressed even death, high temperature microbe carries out organic matter degradation, and the organism of some more difficult decomposition is also decomposed gradually, soil ulmin starts to form, mixture preliminarily stabilised; After high temperature, mixture oxygen requirement reduces gradually, and temperature also continues to decline, and has a liking for warm microorganism and starts actively, continues decomposing organic matter and also hybrid composting is become thoroughly decomposed; When temperature is down to 30 DEG C, automatically close gas blower, spiral pushing device out of service, start recycle pump, thermal insulation layer carried out to monitoring temperature, carry out intermediate temperature anaerobic fermentation by remaining can decomposing organic matter slow oxidation, move after 15 days, be rotated in the forward spiral pushing device, a small amount of sticky group in compost can be opened, make compost;
(3) urea, monoammonium phosphate, Repone K, calcium superphosphate and step (2) are made to compost and add composting tank in 25:10:10:15:40 ratio, spiral pushing device forward stirs 15 minutes, open discharge port and open reversing motor, make spiral pushing device reverse rotation complete discharging, make composite fertilizer.
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| CN103482833B (en) * | 2013-10-18 | 2015-01-21 | 无锡艾科瑞思产品设计与研究有限公司 | Sludge fermentation device with spiral structure for removing heavy metal ions in water body |
| CN104945029A (en) * | 2015-06-30 | 2015-09-30 | 华南理工大学 | Organic waste alternating type aerobic-anaerobic composting device and method |
| CN107473788A (en) * | 2017-08-08 | 2017-12-15 | 江苏中科纽克生态科技有限公司 | Intelligence layering aeration compost reactor system |
| CN109354357A (en) * | 2018-12-17 | 2019-02-19 | 东北大学 | The compensation aeration of one kind exempts from turning aerobic fermentation device |
| CN109678305B (en) * | 2019-02-21 | 2021-10-19 | 海盈(南京)水处理技术有限公司 | Sludge treatment system and sludge treatment method thereof |
| CN110642654B (en) * | 2019-11-19 | 2021-03-02 | 重庆大学 | Urban kitchen waste anaerobic fermentation biogas residue aerobic composting stirring system |
| CN110668852B (en) * | 2019-11-19 | 2020-12-25 | 重庆大学 | Method for preparing organic fertilizer by anaerobic fermentation of biogas residues by utilizing kitchen waste |
| CN111499439A (en) * | 2020-06-08 | 2020-08-07 | 中农新科(苏州)有机循环研究院有限公司 | Miniature intelligent temperature-control composting reactor |
| CN112624828B (en) * | 2020-12-30 | 2021-09-24 | 黑龙江省农业科学院畜牧研究所 | Utilize fermentation equipment of discarded object production fertilizer |
| CN114213162A (en) * | 2021-12-10 | 2022-03-22 | 北京城市排水集团有限责任公司 | Submerged plant recycling treatment method and device |
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| CN103145484A (en) | 2013-06-12 |
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