CN108636992B - Garden waste aerobic fermentation energy recycling process - Google Patents
Garden waste aerobic fermentation energy recycling process Download PDFInfo
- Publication number
- CN108636992B CN108636992B CN201810588649.8A CN201810588649A CN108636992B CN 108636992 B CN108636992 B CN 108636992B CN 201810588649 A CN201810588649 A CN 201810588649A CN 108636992 B CN108636992 B CN 108636992B
- Authority
- CN
- China
- Prior art keywords
- fermentation
- waste
- garden waste
- garden
- carbonization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010921 garden waste Substances 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000004064 recycling Methods 0.000 title claims abstract description 30
- 238000010564 aerobic fermentation Methods 0.000 title claims abstract description 29
- 238000000855 fermentation Methods 0.000 claims abstract description 140
- 230000004151 fermentation Effects 0.000 claims abstract description 140
- 239000002699 waste material Substances 0.000 claims abstract description 71
- 239000002245 particle Substances 0.000 claims abstract description 40
- 239000000047 product Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000000203 mixture Substances 0.000 claims abstract description 32
- 238000002156 mixing Methods 0.000 claims abstract description 26
- 239000002068 microbial inoculum Substances 0.000 claims abstract description 13
- 239000011265 semifinished product Substances 0.000 claims abstract description 13
- 238000003763 carbonization Methods 0.000 claims description 36
- 238000009826 distribution Methods 0.000 claims description 27
- 238000010298 pulverizing process Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 11
- 235000021419 vinegar Nutrition 0.000 claims description 6
- 239000000052 vinegar Substances 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 5
- 239000011276 wood tar Substances 0.000 claims description 5
- 239000006227 byproduct Substances 0.000 claims description 4
- 238000010000 carbonizing Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 244000005700 microbiome Species 0.000 abstract description 10
- 230000000644 propagated effect Effects 0.000 abstract description 4
- 238000004904 shortening Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 230000000813 microbial effect Effects 0.000 description 6
- 239000003516 soil conditioner Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009264 composting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- 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
Abstract
The invention relates to the technical field of garden waste treatment, in particular to a garden waste aerobic fermentation energy recycling process. The invention relates to a garden waste aerobic fermentation energy recycling process, which comprises the following steps: the crushing system is used for crushing garden waste to be treated into waste particles; the mixing system is used for receiving a part of the waste particles and mixing the waste particles with the microbial inoculum and the fermentation auxiliary materials to form a waste mixture; and a fermentation system comprising a primary fermentation system and a secondary fermentation system; the first-stage fermentation system is used for receiving the waste mixture and fermenting the waste mixture at a high temperature to obtain a fermentation semi-finished product, and the second-stage fermentation system is used for continuously fermenting the fermentation semi-finished product to obtain a garden waste fermentation product. The garden waste aerobic fermentation energy recycling process can lead microorganisms to be rapidly propagated in the fermentation process, thereby shortening the fermentation time and reducing the occupied sites for treating the garden waste.
Description
Technical Field
The invention relates to the technical field of garden waste treatment, in particular to a garden waste aerobic fermentation energy recycling process.
Background
In recent years, with the rapid development of urban landscaping industry, the quantity of landscaping waste is increased year by year. The landscaping waste is branches, stems, fallen leaves, grass scraps, flower loss and other organic waste generated in urban landscaping and forestry production work.
The existing treatment modes of in-situ stacking, landfill incineration and the like of the landscaping waste are mainly adopted, so that precious land resources are occupied, and most of the waste is not recycled, therefore, a certain influence is brought to the construction of urban ecological environment.
Because the components of the landscaping waste are mainly organic matters, the landscaping waste is an important biomass resource. Therefore, the biological organic fertilizer can be effectively utilized in a recycling way through development, considerable economic and social benefits can be created through industrialized development, and meanwhile, the method meets the objective requirements of urban development circular economy and low-carbon city construction.
However, the whole process of degrading the garden waste by the microorganism takes 30-40 days, and the degradation process is slow, so that a large amount of sites are still needed for stacking the garden waste for fermentation.
Accordingly, in order to solve the above-mentioned drawbacks, it is necessary to provide a process for recycling energy of aerobic fermentation of garden waste, which can rapidly and efficiently ferment garden waste.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to solve the technical problems that the time for fermenting the garden waste is long and a large amount of sites are required for treating the garden waste in the prior art.
(II) technical scheme
In order to solve the technical problems, the invention provides a garden waste aerobic fermentation energy recycling process, which comprises the following steps:
the crushing system is used for crushing garden waste to be treated into waste particles;
the mixing system is used for receiving a part of the waste particles and mixing the waste particles with the microbial inoculum and the fermentation auxiliary materials to form a waste mixture; and
the fermentation system comprises a primary fermentation system and a secondary fermentation system; wherein,
the first-stage fermentation system is used for receiving the waste mixture and fermenting the waste mixture at a high temperature to obtain a fermentation semi-finished product, and the second-stage fermentation system continues to ferment the fermentation semi-finished product to obtain a garden waste fermentation product.
Further, the pulverizing system includes:
the first-stage crushing system is used for cutting garden waste to be treated into sheet-shaped waste; and
and a secondary pulverizing system for pulverizing the sheet-shaped waste into waste particles of a predetermined size.
Further, the garden waste aerobic fermentation energy recycling process further comprises the following steps:
the carbonization system is used for receiving the other part of the waste particles and carbonizing the waste particles into garden waste biochar; wherein, the garden waste biochar is used for being mixed with a garden waste fermentation product to become a soil conditioner.
Further, the garden waste aerobic fermentation energy recycling process further comprises the following steps:
the discharging bin comprises a feeding hole and two discharging holes; wherein, the pan feeding mouth is connected with the export of crushing system, and one of the discharge gate is connected with mixing system's entry, and another of the discharge gate is connected with carbonization system's entry.
Further, the carbonization system further comprises:
the outlet of the tail gas channel is connected with the inlet of the primary fermentation system to provide high-temperature hot gas for the primary fermentation system; and
and the collecting system is used for collecting wood vinegar and wood tar which are carbonization byproducts generated by the carbonization system.
Further, the primary fermentation system comprises:
and (3) fermenting the waste mixture in the fermentation roller at a high temperature after the waste mixture enters the fermentation roller.
Further, the two-stage fermentation system comprises:
a plurality of distributing grooves, wherein the semi-finished fermentation products are fermented in the distributing grooves;
and the distribution system is used for distributing the fermented semi-finished product into a plurality of distribution tanks.
Further, an aeration pipeline is arranged at the bottom of the distribution chute and is used for providing air for a ferment stack body formed by piling up semi-finished ferment products in the distribution chute.
Further, the two-stage fermentation system further comprises:
the turner is used for turning the fermented product pile in the distribution chute.
Further, the two-stage fermentation system further comprises:
the transfer rail car is used for driving the turning machine to move among different distribution tanks.
(III) beneficial effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
the invention relates to a garden waste aerobic fermentation energy recycling process, which comprises the steps of firstly adopting a first-stage fermentation system to ferment a waste mixture at high temperature to form a fermentation semi-finished product, and then fermenting the fermentation semi-finished product through a second-stage fermentation system to form a garden waste fermentation product. In the fermentation process, a fermentation system is adopted to activate microorganisms in the fermentation mixture and enable the microorganisms to rapidly reproduce, so that the fermentation process can be shortened to 15-25 days, the fermentation time is shortened by 50% compared with that of the traditional garden waste, and the occupied site for treating the garden waste is reduced by 50%.
Drawings
FIG. 1 is a schematic structural view of a garden waste aerobic fermentation energy recycling process according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a two-stage fermentation system in a garden waste aerobic fermentation energy recycling process according to an embodiment of the invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention discloses a recycling process of aerobic fermentation energy of garden waste, which mainly comprises a crushing system, a mixing system and a fermentation system. The mixing system is used for receiving a part of waste gas particles, mixing the waste gas particles with the microbial inoculum and the fermentation auxiliary materials to form a waste mixture, and the fermentation system is used for fermenting the waste mixture into a fermentation product of the garden waste.
Specifically, the fermentation system comprises a primary fermentation system and a secondary fermentation system, wherein the primary fermentation system is used for receiving the waste mixture and fermenting the waste mixture at high temperature to obtain a fermentation semi-finished product, and the secondary fermentation system continues to ferment the fermentation semi-finished product to obtain a garden waste fermentation product.
According to the embodiment of the invention, as the fermentation system is added in the fermentation system, microorganisms can be activated and propagated quickly, the fermentation time is shortened greatly, the fermentation process is shortened to 15-25 days, namely, the fermentation time is shortened by 50% compared with the fermentation time of traditional garden waste, so that the occupation of a stacking place is reduced, and the occupation of the place for treating the garden waste is reduced by 50%.
As shown in fig. 1, the recycling process of aerobic fermentation energy of garden waste according to the embodiment of the invention mainly comprises a crushing system 11, a mixing system and a fermentation system.
In the embodiment of the present invention, the pulverizing system 11 includes a primary pulverizing system and a secondary pulverizing system, and an outlet of the primary pulverizing system and an inlet of the secondary pulverizing system pass through a first pneumatic conveyor pipe. The first-stage crushing system cuts garden waste to be treated into flaky waste, the flaky waste enters the second-stage crushing system through a first pneumatic conveying pipeline, the second-stage crushing system crushes the flaky waste into waste particles with a preset size, and the waste particles are sent into a discharging bin 13 through a second pneumatic conveying pipeline 12.
Since the finer the particle size, the more fully contacted with the microorganism, in the embodiment of the present invention, the predetermined size of the waste particles may be set to 5-10mm in order to increase the microbial decomposition rate.
In an embodiment of the invention, the mixing system is configured to receive a portion of the waste particles and mix the waste particles with the microbial inoculum and the fermentation auxiliary material to form a waste mixture. Wherein the microbial inoculum is a high-temperature aerobic microbial inoculum.
Specifically, the mixing system includes a feeding bin 21, a microbial inoculum bin 22, an auxiliary material bin 23, a mixer 25, and a second belt conveyor 24. The waste particles received by the mixing system are contained in the feeding bin 21, the microbial agents (namely microorganisms) are contained in the microbial agent bin 22, the fermentation auxiliary materials are contained in the auxiliary material bin 23, and the mixing machine is used for mixing the waste particles, the microbial agents and the fermentation auxiliary materials. The outlet of the feeding bin 21, the outlet of the microbial inoculum bin 22 and the outlet of the auxiliary material bin 23 are respectively connected with a second belt conveyor 24, and the second belt conveyor 24 is connected with the inlet of the mixer. Wherein, the feeding bin 21, the microbial inoculum bin 22 and the auxiliary material bin 23 are simultaneously discharged onto the second belt conveyor 24, and the second belt conveyor 24 conveys the materials into the mixer for mixing, so that the C/N ratio, the water content and the PH value of the materials are suitable for fermentation to become waste mixtures.
In the embodiment of the invention, the garden waste aerobic fermentation energy recycling process further comprises a carbonization system 32, wherein the carbonization system 32 is used for receiving the other part of the waste particles, performing low-temperature pyrolysis reaction, carbonizing the waste particles into garden waste biochar, and finally discharging the garden waste biochar through a carbon cooling machine 34. Wherein, gardens biochar is biological carbon powder. After the biochar is applied to the soil, the biochar is equivalent to sealing and storing the carbon into the soil, is rich in micropores, can effectively preserve moisture and nutrients, improves the soil fertility, and is a good component of the soil conditioner. Therefore, the garden biochar can be used for being mixed with a garden waste fermentation product to form a soil conditioner and be made into a final product so as to improve the product quality.
In the embodiment of the invention, since the raw materials of the carbonization system 32 are also garden waste, the embodiment of the invention does not need to additionally supply the raw materials to the carbonization system 32, thereby improving the utilization rate of the garden waste.
In order to enable a rapid and convenient transport of the waste particles produced by the comminution system 11 to the mixing and carbonization system 32, respectively. In the embodiment of the invention, the garden waste aerobic fermentation energy recycling process also comprises a discharge bin 13, wherein the discharge bin 13 comprises a feed inlet and two discharge outlets. Wherein the feed inlet is connected with the outlet of the crushing system 11 through a second pneumatic conveying pipeline 12 for receiving the waste particles. One of the discharge ports is connected to an inlet of the mixing system by a first belt conveyor 14 for transporting the waste particles to a feed bin 21 of the mixing system. The other of the discharge ports is connected to an inlet of the carbonization system 32 by a conveying auger 31 for conveying the waste particles to the carbonization system 32.
Since the carbonization of the waste particles not only generates the bio-char powder but also generates high temperature exhaust gas, as well as by-products such as wood tar, wood vinegar, etc., in the embodiment of the present invention, the carbonization system 32 further comprises an exhaust gas channel 35 and a collection system 33.
The outlet of the tail gas channel 35 is connected with the inlet of the primary fermentation system, and the discharged high-temperature tail gas is reused to provide high-temperature hot gas for the primary fermentation system, so as to heat the fermentation mixture and make the fermentation mixture ferment at high temperature. Therefore, the heating energy of the fermentation mixture by the first-stage fermentation system is derived from the carbonization system 32, and the raw materials of the carbonization system 32 are garden waste, so that the embodiment of the invention does not need to additionally supply the raw materials to the carbonization system 32, and the utilization rate of the garden waste is improved.
The collection system 33 is used to collect carbonized byproducts generated by the carbonization system 32, which may be used to process other products, which may also be of economic value.
In an embodiment of the present invention, the primary fermentation system includes a fermentation cylinder 42, and after the waste mixture enters the fermentation cylinder 42, high temperature fermentation is performed in the fermentation cylinder 42. Specifically, the outlet of the mixing system is connected with the inlet of the fermenting roller 42 through the third belt conveyor 41, the tail gas channel 35 is communicated with the air inlet of the fermenting roller 42, so that the fermenting mixture can enter the fermenting roller 42, and the high-temperature tail gas generated by the carbonization system 32 is utilized for fermentation, so that the high-temperature aerobic bacteria are quickly propagated, harmful bacteria are killed, and the plant seeds are inactivated.
In an embodiment of the present invention, as shown in FIG. 2, the two-stage fermentation system includes a plurality of distribution tanks and distribution systems 51. The distributing system 51 is connected with the outlet of the first stage fermentation system through the fourth belt conveyor 43, and the distributing system 51 can distribute the semi-finished fermentation products in a plurality of distributing tanks, so that the semi-finished fermentation products are uniformly distributed in the distributing tanks respectively and fermented in the distributing tanks. Specifically, the distribution tanks may be two as shown in fig. 2.
In the embodiment of the invention, the aeration pipeline 52 is arranged at the bottom of the distribution chute, the high-pressure fan 53 is arranged at the pipeline inlet of the aeration pipeline 52, and in the composting fermentation process, the high-pressure fan 53 can pump air into a fermented product stack body formed by stacking fermented semi-finished products in the distribution chute through the aeration pipeline 52, so that the air is pumped into the fermented product stack body, and nutrient losses such as ammonia nitrogen and the like caused by aggravation of anaerobic reaction due to oxygen deficiency are avoided.
In the embodiment of the invention, the two-stage fermentation system further comprises a turner 54, wherein the turner 54 is used for turning the fermented product stack in the distribution chute, so that the fermented product stack is turned from one feeding side of the distribution chute to one discharging side (from the right side to the left side as shown in fig. 2) through the turning of the turner 54 in the fermentation process, and when the temperature of the fermented product stack is continuously increased, the fermented product stack is turned, the temperature of the fermented product stack is reduced, and meanwhile, the heat generated in the fermentation process takes away the water.
In the embodiment of the invention, the two-stage fermentation system further comprises a moving rail-changing machine 55, wherein the moving rail-changing machine 55 carries the turner 54 and is used for driving the turner 54 to move among different distribution tanks. Meanwhile, the moving rail-changing machine 55 also has an automatic discharging function, and the garden waste fermentation product after the two-stage fermentation is conveyed to the fifth belt conveyor 56 and the garden waste aerobic fermentation energy recycling process is output to wait for mixing with garden biochar to produce the high-quality soil conditioner.
The specific treatment process of the garden waste aerobic fermentation energy recycling process provided by the embodiment of the invention comprises the following steps:
firstly, garden waste (including branches, fallen leaves, weeds and the like of fruit trees) is put into a pulverizer to be pulverized into waste particles with the size of 5-10mm.
Then, the waste particles are fed into the discharge bin 13, and a part of the waste particles are fed into the mixer through the feeding bin 21 of the mixing system, and the feeding bin 21, the microbial inoculum bin 22 and the auxiliary material bin 23 are simultaneously discharged into the mixer to be mixed, so as to obtain a fermentation mixture, and the fermentation mixture is fed into the fermentation cylinder 42. Simultaneously, the other part of the waste particles is sent into a main machine of a carbonization system, high-temperature tail gas generated in the carbonization process is sent into a section of fermentation system to heat materials, generated biochar is discharged through a carbon discharging and cooling machine 34, and generated wood tar and wood vinegar are collected by a collection system 33.
The fermentation mixture is then fermented at an elevated temperature in the fermentation cylinder 42 by the high temperature exhaust gas of the carbonization system 32. After the fermentation is finished for about 5-8 hours, the semi-finished product is sent to a material distribution system 51 of a two-stage fermentation system, the materials are uniformly distributed in two material distribution tanks, the semi-finished product is continuously fermented, and the garden waste fermentation product after the two-stage fermentation is output.
Finally, the garden waste fermentation product is mixed with the biochar produced by the carbonization system 32 to produce the high-quality soil conditioner.
In summary, according to the garden waste aerobic fermentation energy recycling process disclosed by the embodiment of the invention, after the garden waste to be treated is crushed, a part of waste particles can enter a carbonization system to be carbonized (containing microbial refractory tree roots, plastic sundries and the like), wood tar generated after carbonization can be separated and collected for sale, high-temperature tail gas can provide heat energy for a primary fermentation system, wood vinegar can be used for producing other products, and the wood vinegar can be mixed with auxiliary materials (cow dung, chicken manure and the like) and microbial agents into the waste particles to perform primary high-temperature fermentation and secondary composting fermentation. In the fermentation process, the equipment can provide proper oxygen and moisture for microorganisms, and the fermented product of the garden waste after the fermentation can be mixed with biochar in the carbonization process, so that the final product is a high-quality soil conditioner. According to the garden waste aerobic fermentation energy recycling process, water content and PH value environments suitable for survival are provided for microorganisms, materials are heated in the early fermentation period, so that the microorganisms are rapidly propagated, fermentation time is shortened, and the occupied space for treating the garden waste is reduced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A garden waste aerobic fermentation energy recycling process is characterized by comprising the following steps of:
a pulverizing system for pulverizing garden waste to be treated into waste particles, the pulverizing system including a pulverizer;
the mixing system is used for receiving a part of the waste particles and mixing the waste particles with the microbial inoculum and the fermentation auxiliary materials to form a waste mixture, and comprises a feeding bin, a microbial inoculum bin, an auxiliary material bin and a mixer; and
the fermentation system comprises a primary fermentation system and a secondary fermentation system, wherein the primary fermentation system comprises a fermentation roller, and the waste mixture enters the fermentation roller and is subjected to high-temperature fermentation in the fermentation roller; wherein,
the first-stage fermentation system is used for receiving the waste mixture and fermenting the waste mixture at high temperature to obtain a semi-finished fermentation product, the second-stage fermentation system is used for continuously fermenting the semi-finished fermentation product to obtain a garden waste fermentation product, and the second-stage fermentation system comprises a material distribution system and two material distribution tanks;
a carbonization system for receiving another portion of the waste particles and carbonizing it to a garden waste biochar; the carbonization system further comprises a tail gas channel, wherein an outlet of the tail gas channel is connected with an inlet of the primary fermentation system, and high-temperature hot gas is provided for the primary fermentation system;
discharging the material bin;
the process flow is as follows,
the garden waste is put into the pulverizer to be pulverized into waste particles of 5-10mm,
delivering the waste particles to a discharge bin, simultaneously discharging the material feeding bin, the microbial inoculum bin and the auxiliary material bin to the mixer for mixing to obtain a fermentation mixture, delivering the fermentation mixture to the fermentation roller,
the other part of the waste particles is sent into a host of the carbonization system, high-temperature tail gas generated in the carbonization process is led into the primary fermentation system to heat the materials,
the fermentation mixture is heated and fermented in the fermentation roller for 5 to 8 hours through the high-temperature tail gas of the carbonization system,
after the fermentation of the primary fermentation system is finished, the semi-finished fermentation product is sent into the distribution system, the materials are distributed in the two distribution tanks, the semi-finished fermentation product is continuously fermented, and the garden waste fermentation product after the secondary fermentation is finished is output,
mixing the waste fermentation product in gardens with the biological carbon powder generated by the carbonization system.
2. The process for recycling energy of aerobic fermentation of garden waste according to claim 1, wherein: the pulverizing system includes:
the first-stage crushing system is used for cutting the garden waste to be treated into sheet-shaped waste; and
a secondary pulverizing system that pulverizes the sheet-shaped waste into the waste particles of a predetermined size.
3. The process for recycling energy of aerobic fermentation of garden waste according to claim 1, wherein: the discharging bin comprises a feeding hole and two discharging holes; the material inlet is connected with the outlet of the crushing system, one of the material outlet is connected with the inlet of the mixing system, and the other material outlet is connected with the inlet of the carbonization system.
4. The process for recycling energy of aerobic fermentation of garden waste according to claim 1, wherein: the carbonization system further comprises:
and the collecting system is used for collecting wood vinegar and wood tar which are carbonization byproducts generated by the carbonization system.
5. The process for recycling energy of aerobic fermentation of garden waste according to claim 1, wherein: the semi-finished fermentation product is fermented in the distribution chute; the distribution system is used for distributing the fermented semi-finished product into the two distribution tanks.
6. The process for recycling energy of aerobic fermentation of garden waste according to claim 5, wherein the process comprises the following steps: an aeration pipeline is arranged at the bottom of the distribution chute and used for providing air for a ferment stack body formed by piling up semi-finished ferment products in the distribution chute.
7. The process for recycling energy of aerobic fermentation of garden waste according to claim 6, wherein: the two-stage fermentation system further comprises:
the turner is used for turning the fermented material pile in the distribution chute.
8. The process for recycling energy of aerobic fermentation of garden waste according to claim 7, wherein: the two-stage fermentation system further comprises:
the transfer rail-changing vehicle carries the turning machine and is used for driving the turning machine to move between different distribution tanks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810588649.8A CN108636992B (en) | 2018-06-08 | 2018-06-08 | Garden waste aerobic fermentation energy recycling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810588649.8A CN108636992B (en) | 2018-06-08 | 2018-06-08 | Garden waste aerobic fermentation energy recycling process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108636992A CN108636992A (en) | 2018-10-12 |
| CN108636992B true CN108636992B (en) | 2023-12-01 |
Family
ID=63752174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810588649.8A Active CN108636992B (en) | 2018-06-08 | 2018-06-08 | Garden waste aerobic fermentation energy recycling process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108636992B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109320313B (en) * | 2018-11-14 | 2021-04-02 | 潍坊工程职业学院 | A abandonment resource cyclic utilization device for city landscape gardens |
| CN112939650A (en) * | 2021-02-05 | 2021-06-11 | 朱亚菲 | Garden waste treatment system and process based on novel ammonia nitrogen removal technology |
| CN115254926A (en) * | 2022-08-15 | 2022-11-01 | 杭州蓝郡农业科技有限公司 | Mobile agricultural organic waste treatment and utilization system and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603384A (en) * | 2012-03-23 | 2012-07-25 | 中国市政工程西北设计研究院有限公司 | Aerobic fermentation fertilizer making device for organic solid waste and method thereof |
| CN102765977A (en) * | 2012-07-13 | 2012-11-07 | 王涛 | Dynamic and static combined aerobic composting system |
| CN103951480A (en) * | 2014-04-18 | 2014-07-30 | 余剑 | Process and method for comprehensive utilization of garden wastes |
| CN104003822A (en) * | 2014-05-04 | 2014-08-27 | 昆明理工大学 | Method for preparing biological organic fertilizer by utilizing garden plant waste |
| CN104402546A (en) * | 2014-11-07 | 2015-03-11 | 深圳市铁汉生态环境股份有限公司 | Garden plant waste composting method |
| CN106748424A (en) * | 2016-11-30 | 2017-05-31 | 浙江科技学院 | Bamboo grove special bio charcoal base manure material, preparation method and applications |
| CN107812594A (en) * | 2017-11-30 | 2018-03-20 | 苏州美洁生环保工程有限公司 | A kind of garden waste crushes retracting device |
| CN208695916U (en) * | 2018-06-08 | 2019-04-05 | 北京嘉博文生物科技有限公司 | Garden waste aerobic fermentation heat recovery device |
-
2018
- 2018-06-08 CN CN201810588649.8A patent/CN108636992B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603384A (en) * | 2012-03-23 | 2012-07-25 | 中国市政工程西北设计研究院有限公司 | Aerobic fermentation fertilizer making device for organic solid waste and method thereof |
| CN102765977A (en) * | 2012-07-13 | 2012-11-07 | 王涛 | Dynamic and static combined aerobic composting system |
| CN103951480A (en) * | 2014-04-18 | 2014-07-30 | 余剑 | Process and method for comprehensive utilization of garden wastes |
| CN104003822A (en) * | 2014-05-04 | 2014-08-27 | 昆明理工大学 | Method for preparing biological organic fertilizer by utilizing garden plant waste |
| CN104402546A (en) * | 2014-11-07 | 2015-03-11 | 深圳市铁汉生态环境股份有限公司 | Garden plant waste composting method |
| CN106748424A (en) * | 2016-11-30 | 2017-05-31 | 浙江科技学院 | Bamboo grove special bio charcoal base manure material, preparation method and applications |
| CN107812594A (en) * | 2017-11-30 | 2018-03-20 | 苏州美洁生环保工程有限公司 | A kind of garden waste crushes retracting device |
| CN208695916U (en) * | 2018-06-08 | 2019-04-05 | 北京嘉博文生物科技有限公司 | Garden waste aerobic fermentation heat recovery device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108636992A (en) | 2018-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101486613B (en) | Method for preparing organic fertilizer by mixed fermentation of water hyacinth and dewatered sludge | |
| CN108002871B (en) | Method for preparing greening fertilizer from kitchen waste | |
| CN101955382B (en) | Treatment method and treatment system of food wastes | |
| CN104370582B (en) | A kind of organic waste odorless aerobic compost method | |
| CN106542938A (en) | A kind of charcoal base biogas residue organic fertilizer and preparation method thereof | |
| CN104744090A (en) | Method and device for preparing novel ecological culture medium from municipal waste | |
| CN202988933U (en) | Sludge treatment land resource utilization system | |
| CN101983952A (en) | Method for producing organic fertilizer by using municipal sewage sludge | |
| CN108636992B (en) | Garden waste aerobic fermentation energy recycling process | |
| CN101139231A (en) | Method for preparing organic composite fertilizer by micro-wave pretreatment of solid organic waste material | |
| CN204625491U (en) | Urban waste is utilized to prepare the device of novel ecological cultivation matrix | |
| CN104446696A (en) | Preparation method of straw-based organic fertilizer | |
| CN103130548A (en) | Substrate for producing seedling or cultivation with utilization of antibiotic mushroom dregs and preparation method thereof | |
| CN102951939A (en) | Rapid harmless plant organic residue treatment and fertilizer utilization process and equipment thereof | |
| CN102617206A (en) | Setting method for organic fertilizer production workshops and production method for organic fertilizer | |
| CN102093098A (en) | Method for preparing fertilizer by using domestic sludge | |
| CN103265343A (en) | Method for treating domestic garbage by utilizing biotechnology | |
| CN109232032A (en) | A kind of biological organic fertilizer and preparation method thereof | |
| CN112694368A (en) | Full-quantitative preparation of amino acid liquid fertilizer by using kitchen waste and preparation method thereof | |
| CN113233930A (en) | Synergistic composting method for reducing pollutant emission and improving yield of multiple organic wastes | |
| CN112209752A (en) | Negative pressure aerobic fermentation process for preparing fertilizer from organic waste | |
| CN102442844A (en) | Comprehensive resource treatment process of tobacco wastes | |
| CN104150999A (en) | Chicken manure organic fertilizer and preparation method thereof | |
| CN208695916U (en) | Garden waste aerobic fermentation heat recovery device | |
| CN211546356U (en) | Production facility of fertilizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231101 Address after: 100085 room E109, 1 / F, building 1, No.12, Shangdi Information Road, Haidian District, Beijing Applicant after: BEIJING GOLDENWAY BIO-TECH Co.,Ltd. Address before: Building B12B, Hengtong Business Park, No.10 Jiuxianqiao Road, Chaoyang District, Beijing, 100015 Applicant before: BEIJING GOLDENWAY BIO-TECH Co.,Ltd. Applicant before: BEIJING BOWEN HEZHONG BIOTECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |