CN113522927A - Operation method of organic waste treatment system - Google Patents
Operation method of organic waste treatment system Download PDFInfo
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- CN113522927A CN113522927A CN202110684196.0A CN202110684196A CN113522927A CN 113522927 A CN113522927 A CN 113522927A CN 202110684196 A CN202110684196 A CN 202110684196A CN 113522927 A CN113522927 A CN 113522927A
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- 239000010815 organic waste Substances 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 84
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000000926 separation method Methods 0.000 claims abstract description 26
- 239000010806 kitchen waste Substances 0.000 claims abstract description 21
- 238000000855 fermentation Methods 0.000 claims abstract description 20
- 230000004151 fermentation Effects 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000005067 remediation Methods 0.000 claims abstract description 7
- 238000003672 processing method Methods 0.000 claims abstract 2
- 238000003756 stirring Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 241000235342 Saccharomycetes Species 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005469 granulation Methods 0.000 abstract description 3
- 230000003179 granulation Effects 0.000 abstract description 3
- 238000012216 screening Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 7
- 239000008187 granular material Substances 0.000 description 4
- 239000010794 food waste Substances 0.000 description 3
- 241000255925 Diptera Species 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A method of operating an organic waste remediation system, the system comprising: the system comprises an organic waste household collection unit, an organic waste area collection unit and an organic waste centralized treatment unit; the solid-liquid separation type kitchen waste garbage can is used for collecting and transporting garbage and comprises a can body, a filter plate and a liquid outlet channel, the processing method of the organic waste centralized processing unit comprises water content adjustment, classification processing, classification pretreatment, deoiling processing, fermentation processing and drying granulation processing, the solid-liquid separation type kitchen waste garbage can avoid liquid from leaking to pollute the surrounding environment and can accelerate the garbage processing speed, advanced water content adjustment and screening are carried out before garbage processing, subsequent processing is convenient to be carried out respectively, the crushing effect is high, the guarantee is provided for the subsequent fermentation degree, the garbage processing effect is good, and the period is short; and moreover, the biochar material of the garbage is used in the granulation process, so that the total garbage treatment amount is reduced, and the transportation and collection cost of the biochar material is avoided.
Description
Technical Field
The invention relates to the technical field of organic waste treatment, in particular to an operation method of an organic waste treatment system.
Background
With the development of economy, a large amount of domestic garbage is generated while food and dining tables are abundant, and according to statistics, 400 million tons of garbage are produced in China daily, wherein the food garbage accounts for more than 35%. The food waste is difficult to manage, is easy to rot and smelly, and is easy to breed harmful animals such as bacteria, mosquitoes, flies, mice and the like. In 2020, China, garbage classification is carried out in a plurality of test-point cities, kitchen garbage and other garbage are separately stored, and the step complexity of garbage classification and treatment in the later period is reduced, and the garbage treatment cost is reduced. Although a certain success is achieved, the following technical problems still exist:
firstly, the source of garbage classification lies in residents, and the environment protection consciousness of part of residents is weak, so that the garbage classification regulations cannot be seriously fulfilled;
secondly, due to the high water content in the food waste, sewage often seeps out of the vehicle in the transportation process, and the pollution to the waste storage point and the waste transportation route is caused;
and thirdly, the food waste has high grease content, long waste treatment period, poor effect and high cost.
The invention provides an operation method of an organic waste treatment system, which solves the technical problem.
Disclosure of Invention
An operation method of an organic waste treatment system comprises an organic waste household collection unit, an organic waste area collection unit and an organic waste centralized treatment unit;
the household organic waste collecting unit is used for collecting and carrying out solid-liquid separation on organic waste by taking families as units;
the organic waste area collecting unit is used for collecting and carrying out solid-liquid separation on the organic waste in the area divided into units;
the organic waste centralized treatment unit is used for treating organic waste, and the treatment method comprises the following steps:
and (4) classification treatment: classifying organic wastes (kitchen wastes) according to volume;
classification pretreatment: the organic waste with small volume directly participates in the subsequent steps; crushing the organic waste with large volume;
deoiling treatment: placing the small-particle organic waste in the classification pretreatment into a deoiling treatment device, adding a deoiling solvent, stirring for 1-2 hours at a stirring speed of 100-200 r/min, and performing solid-liquid separation;
fermentation treatment: putting the deoiled granular garbage into a fermentation device, adding fermentation strains and water into the fermentation device, stirring and mixing uniformly, controlling the temperature of the garbage treatment device at 60 ℃, and performing fermentation treatment on the mixture for more than 20 hours;
drying and granulating: and (3) drying the mixture after fermentation treatment, adding a biochar material, uniformly stirring, granulating by equipment, and packaging.
The organic waste is firstly screened according to the particle size, the organic waste with smaller particles directly participates in subsequent treatment without being crushed, and the kitchen waste is continuously transported to a waste treatment center, so that the batch waste treatment capacity is limited, and the organic waste is treated in batches according to the requirement of the limited quantity; the kitchen waste is more soft in quality, is gradually smashed in the processes of multiple subpackaging and conveying, moisture soaking and collision friction, and the part of the kitchen waste is firstly screened out to directly participate in subsequent treatment, so that the treatment steps of part of organic waste can be effectively shortened, the use of a deoiling solvent is reduced, the burden of crushing equipment is reduced, and the cost is reduced.
Preferably, in the operation method of the organic waste treatment system, the biochar material comprises leaves, branches, shells and excrement, and the biochar material is derived from organic waste or urban garbage generated by greening.
Preferably, the operation method of the organic waste treatment system further comprises a water content adjusting step before the classification treatment step, wherein the organic waste is dehydrated, the water content is kept at about 30-70%, filtered liquid is collected, and the liquid is subjected to oil removal and decontamination treatment.
Adjust to the certain limit with water content, improve crushing apparatus's load efficiency, under the condition with operating power, can improve the granule and smash the volume, but can guarantee crushing effect with treating kibbling large granule organic connection.
Preferably, in the operation method of the organic waste treatment system, in the deoiling treatment step, saccharomycetes are sprayed on the surfaces of particles subjected to solid-liquid separation, so that the generation of peculiar smell is reduced as much as possible.
Preferably, the method of operating the organic waste treatment system comprises the step of reserving a remaining part of the liquid after the step of adjusting the water content, and adding the remaining part of the liquid as supplementary water when the water content of the organic waste of the subsequent batch is low before crushing.
The addition of clean water is reduced, the crushing treatment effect is ensured, and the consumption of the oil removal solvent is saved to a certain extent.
Preferably, the operation method of the organic waste treatment system comprises the following steps:
the resident or regional collection station is responsible for personnel to put organic waste into the solid-liquid separation type kitchen waste garbage can, the solid-liquid separation type kitchen waste garbage can comprises a can body 1, a filter plate 2 and a liquid outlet channel 3, an inward convex filter plate mounting platform 11 is arranged in the can body 1, the filter plate 2 is mounted on the upper plate surface of the filter plate mounting platform 11, the can body 1 is divided into a solid garbage storage area and a liquid garbage storage area by the filter plate 2, the liquid outlet channel 3 is processed in the can wall of the can body 1, two ends of the liquid outlet channel 3 are respectively communicated with the liquid garbage storage area and the outer wall of the can body 1, and a liquid outlet hole formed by communicating the liquid outlet channel 3 with the outer wall of the can body is higher than the filter plate mounting platform 11;
and (4) conveying the filled solid-liquid separation type kitchen waste garbage can to the organic waste for centralized treatment.
Preferably, in the operation method of the organic waste treatment system, the filter plate 2 is a concave inverted cone-shaped structure.
Preferably, in the operation method of the organic waste treatment system, the inner side surface of the filter plate mounting platform 11 is a continuous surface adjacent to a slope surface and a flat surface, so that the filter plate 2 can be conveniently and quickly positioned and placed.
Preferably, in the operation method of the organic waste treatment system, one side or two sides of the barrel body 1 are provided with handles, the liquid outlet channel 3 is sleeved with a liquid outlet hose, and a filtering structure is arranged in a liquid inlet hole of the liquid outlet hose, which is positioned at one side of the liquid waste storage area. The liquid outlet hose can be cleaned regularly or washed by pouring a solvent, the operation is convenient, and the upper end of the liquid outlet hose can be inserted into the handle for temporary fixation to prevent the end part of the liquid outlet hose from being placed at will.
The advantages are as follows:
(1) the solid-liquid separation type kitchen waste garbage can forms a solid-liquid separation situation when organic waste garbage is collected, so that the solid-liquid separation difficulty in subsequent centralized treatment can be omitted, the organic waste treatment speed is increased, the period is shortened, and meanwhile, the liquid garbage is prevented from being leaked in the transportation process;
(2) the whole garbage crushing is replaced, the garbage with small particles is separated out firstly and directly participates in the subsequent treatment, the treatment progress of the organic waste is accelerated, and the treatment period is shortened;
(3) reserving part of liquid garbage separated from the organic waste for later use so as to supplement the organic waste when the water content of the organic waste is insufficient, thereby avoiding occupying excessive clean water, reducing the use amount of a deoiling solvent and reducing the garbage treatment cost;
(4) the biochar added in the granulation process is derived from organic wastes and other garbage, so that the occupation of clean resources is avoided, and the treatment of other garbage can be further reduced.
Description of the drawings:
the embodiments are further described with reference to the accompanying drawings, in which:
FIG. 1 is a schematic flow diagram of a method of operating an organic waste remediation system according to the present invention;
FIG. 2 is a schematic view of a solid-liquid separation type kitchen waste bin;
the specific structure corresponding to the number is as follows:
a barrel body 1, a filter plate mounting platform 11, a filter plate 2, a liquid outlet channel 3,
the following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
Specific embodiment example 1:
an operation method of an organic waste treatment system comprises an organic waste household collection unit, an organic waste area collection unit and an organic waste centralized treatment unit;
the household organic waste collecting unit is used for collecting and carrying out solid-liquid separation on organic waste by taking families as units;
the organic waste area collecting unit is used for collecting and carrying out solid-liquid separation on the organic waste in the area divided into units;
the organic waste centralized treatment unit is used for treating organic waste, and the treatment method comprises the following steps:
and (4) classification treatment: classifying organic wastes (kitchen wastes) according to volume;
classification pretreatment: the organic waste with small volume directly participates in the subsequent steps; crushing the organic waste with large volume;
deoiling treatment: placing the small-particle organic waste in the classification pretreatment into a deoiling treatment device, adding a deoiling solvent, stirring for 1-2 hours at a stirring speed of 100-200 r/min, and performing solid-liquid separation;
fermentation treatment: putting the deoiled granular garbage into a fermentation device, adding fermentation strains and water into the fermentation device, stirring and mixing uniformly, controlling the temperature of the garbage treatment device at 60 ℃, and performing fermentation treatment on the mixture for more than 20 hours;
drying and granulating: and (3) drying the mixture after fermentation treatment, adding the biological carbon material, uniformly stirring, granulating by using equipment, and packaging.
The organic waste is firstly screened according to the particle size, the organic waste with smaller particles directly participates in subsequent treatment without being crushed, and the kitchen waste is continuously transported to a waste treatment center, so that the batch waste treatment capacity is limited, and the organic waste is treated in batches according to the requirement of the limited quantity; the kitchen waste is more soft in quality, is gradually smashed in the processes of multiple subpackaging and conveying, moisture soaking and collision friction, and the part of the kitchen waste is firstly screened out to directly participate in subsequent treatment, so that the treatment steps of part of organic waste can be effectively shortened, the use of a deoiling solvent is reduced, the burden of crushing equipment is reduced, and the cost is reduced.
Further, before the classification treatment step, the method also comprises a water content adjusting step of dehydrating the organic waste, keeping the water content at about 30-70%, collecting the filtered liquid, and performing oil removal and decontamination treatment on the liquid.
Adjust to the certain limit with water content, improve crushing apparatus's load efficiency, under the condition with operating power, can improve the granule and smash the volume, but can guarantee crushing effect with treating kibbling large granule organic connection.
Furthermore, in the deoiling treatment step, saccharomycetes are sprayed on the surfaces of the solid-liquid separated particles, so that the generation of peculiar smell is reduced as much as possible.
Further, the remaining part of the liquid after the filtration in the water content adjusting step is reserved, and is added as supplementary water when the water content of the organic waste of the later batch is low before the organic waste is crushed.
The addition of clean water is reduced, the crushing treatment effect is ensured, and the consumption of the oil removal solvent is saved to a certain extent.
Specific embodiment example 2:
an operation method of an organic waste treatment system, the collection method of an organic waste area collection unit is as follows:
the resident or regional collection station is responsible for personnel to put organic waste into the solid-liquid separation type kitchen waste garbage can, the solid-liquid separation type kitchen waste garbage can comprises a can body 1, a filter plate 2 and a liquid outlet channel 3, an inward convex filter plate mounting platform 11 is arranged in the can body 1, the filter plate 2 is mounted on the upper plate surface of the filter plate mounting platform 11, the can body 1 is divided into a solid garbage storage area and a liquid garbage storage area by the filter plate 2, the liquid outlet channel 3 is processed in the can wall of the can body 1, two ends of the liquid outlet channel 3 are respectively communicated with the liquid garbage storage area and the outer wall of the can body 1, and a liquid outlet hole formed by communicating the liquid outlet channel 3 with the outer wall of the can body is higher than the filter plate mounting platform 11;
and (4) conveying the filled solid-liquid separation type kitchen waste garbage can to the organic waste for centralized treatment.
Furthermore, the filter plate 2 is of a concave inverted cone-shaped structure.
Furthermore, the inner side surface of the filter plate mounting platform 11 is a continuous surface adjacent to a slope surface and a flat surface, so that the filter plate 2 can be conveniently and quickly positioned and placed.
Further, one side or two sides of the barrel body 1 are provided with handles, a liquid outlet hose is sleeved in the liquid outlet channel 3, and a filtering structure is arranged in a liquid inlet hole in one side, located on the liquid garbage storage area, of the liquid outlet hose. The liquid outlet hose can be cleaned regularly or washed by pouring a solvent, the operation is convenient, and the upper end of the liquid outlet hose can be inserted into the handle for temporary fixation to prevent the end part of the liquid outlet hose from being placed at will.
Other technical solutions are the same as embodiment 1 or the prior art.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. An operation method of an organic waste treatment system comprises an organic waste household collection unit, an organic waste area collection unit and an organic waste centralized treatment unit;
the household organic waste collecting unit is used for collecting and carrying out solid-liquid separation on organic waste by taking families as units;
the organic waste area collecting unit is used for collecting and carrying out solid-liquid separation on the organic waste in the area divided into units; the method is characterized in that:
the organic waste centralized processing unit is used for processing the organic waste, the processing method comprises the following steps,
and (4) classification treatment: classifying the organic waste according to volume;
classification pretreatment: the organic waste with small volume directly participates in the subsequent steps; crushing the organic waste with large volume;
deoiling treatment: placing the small-particle organic waste in the classification pretreatment into a deoiling treatment device, adding a deoiling solvent, stirring for 1-2 hours at a stirring speed of 100-200 r/min, and performing solid-liquid separation;
fermentation treatment: putting the deoiled granular garbage into a fermentation device, adding fermentation strains and water into the fermentation device, stirring and mixing uniformly, controlling the temperature of the garbage treatment device at 60 ℃, and performing fermentation treatment on the mixture for more than 20 hours;
drying and granulating: and (3) drying the mixture after fermentation treatment, adding a biochar material, uniformly stirring, granulating by equipment, and packaging.
2. A method of operating an organic waste remediation system as claimed in claim 1, wherein: the biochar material comprises leaves, branches, shells and excrement, and is derived from organic waste or urban garbage produced by greening.
3. A method of operating an organic waste remediation system as claimed in claim 1, wherein: the classification treatment step also comprises a water content adjusting step before, the organic waste is dehydrated, the water content is kept at about 30-70%, the filtered liquid is collected, and the oil and stain removal treatment is carried out on the liquid.
4. A method of operating an organic waste remediation system as claimed in claim 1, wherein: in the deoiling treatment step, saccharomycetes are sprayed on the surfaces of the particles subjected to solid-liquid separation.
5. A method of operating an organic waste treatment system as claimed in claim 3, wherein: and (4) reserving the filtered liquid remaining part in the water content adjusting step for later use, and adding the liquid remaining part as supplementary water when the water content of the organic waste in the later batch is less before crushing.
6. A method of operating an organic waste remediation system as claimed in claim 1, wherein: the method of collection in the organic waste area collection unit is as follows,
the resident or regional collection station is responsible for personnel to throw organic waste into the solid-liquid separation type kitchen waste garbage can, the solid-liquid separation type kitchen waste garbage can comprises a can body, a filter plate and a liquid outlet channel, an inward convex filter plate mounting platform is arranged in the can body, the filter plate is mounted on the upper plate surface of the filter plate mounting platform, the can body is divided into a solid garbage storage area and a liquid garbage storage area by the filter plate, the liquid outlet channel is processed in the can wall of the can body, two ends of the liquid outlet channel are respectively communicated with the liquid garbage storage area and the outer wall of the can body, and a liquid outlet hole of the liquid outlet channel communicated with the outer wall of the can body is higher than the filter plate mounting platform;
and (4) conveying the filled solid-liquid separation type kitchen waste garbage can to the organic waste for centralized treatment.
7. A method of operating an organic waste treatment system as claimed in claim 6, wherein: the filter plate is a concave inverted cone-shaped structure.
8. A method of operating an organic waste treatment system as claimed in claim 6, wherein: the inner side surface of the filter plate mounting table is a continuous surface adjacent to a slope surface and a flat surface.
9. A method of operating an organic waste remediation system as claimed in claim 1, wherein: handles are arranged on one side or two sides of the barrel body, a liquid outlet hose is sleeved in the liquid outlet channel, and a filtering structure is arranged in a liquid inlet hole in one side, located on the liquid garbage storage area, of the liquid outlet hose.
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| CN202110684196.0A CN113522927A (en) | 2021-06-21 | 2021-06-21 | Operation method of organic waste treatment system |
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| CN202110684196.0A CN113522927A (en) | 2021-06-21 | 2021-06-21 | Operation method of organic waste treatment system |
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| CN112851411A (en) * | 2021-03-23 | 2021-05-28 | 绿硕生物科技(苏州)有限公司 | Kitchen waste harmless treatment method and application thereof |
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