CN114178289A - Screening method, screening system, medium and treatment station for island domestic garbage treatment technology - Google Patents
Screening method, screening system, medium and treatment station for island domestic garbage treatment technology Download PDFInfo
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- 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
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Abstract
The invention belongs to the technical field of island domestic garbage treatment, and discloses a screening method, a screening system, a medium and a treatment station for the island domestic garbage treatment technology. Determining a research area, and calculating the production amount of the island domestic garbage through a tail end disposal and classification sorting module; classifying and sorting the household garbage, and calculating the quantity of other garbage cans of the collecting unit, the flow dividing quantity of compostable garbage and recyclable garbage and the quantity of compostable garbage cans of the collecting unit; performing centralized resource treatment, and calculating the distributed treatment capacity of the compostable garbage, the quantity of the recyclable garbage cans of the collection units and the quantity of the i-type recyclable garbage cans of the collection units; carrying out outward transportation of the recyclable garbage. According to the invention, through basic parameter input or model calculation, different island domestic garbage treatment technical modes are screened out, and the domestic garbage resource utilization rate is comprehensively improved, so that the treatment cost is reduced and the environmental pollution is reduced.
Description
Technical Field
The invention belongs to the technical field of island domestic garbage treatment, and particularly relates to a screening method, a screening system, a medium and a treatment station for the island domestic garbage treatment technology.
Background
At present, more than 11000 islands in China are shared, 665 islands with fresh water supply are found, wherein 452 islands with residents exist, 344 thousands of people live in the general population of only 12 main islands (cities and districts), and more domestic garbage is generated on the islands in recent years due to the development of the island tourism industry and the development of the non-resident islands. Due to the inconvenience of traffic, the high transportation and disposal costs, and the backward infrastructure, the domestic waste is not effectively treated, the environmental pollution problem is becoming more and more serious, and the sea-island vegetation soil, seawater quality and biodiversity are greatly affected.
The current island domestic garbage disposal has the problems that: (1) the in-island processing techniques are singular, such as: outward transportation, landfill and incineration, and the resource technology is less considered; (2) relevant basic factors of the island domestic garbage treatment are ignored, such as: population composition, waste production, waste composition, volume weight, calorific value, offshore distance, and the like; (3) the problems of high cost, low resource utilization rate, secondary pollution and the like are caused by the fact that a systematic adaptive screening method is not established. Therefore, a technical screening method which is integrated through the whole process and multiple factors needs to be established so as to be suitable for the selection of different sea island domestic garbage treatment technologies.
The prior art screening method focuses on multi-energy technology, soil remediation technology and landscaping ecological technology, and single technical patents of landfill, incineration, pyrolysis, biochemical treatment and the like are as follows:
garbage composting: 201810915863, 201911218401;
and (3) refuse incineration: 201710150568, 201811573544;
pyrolysis of garbage: 201610237691, 202010130166;
a biochemical processor: 200910085141, 201310170030, 201410215919;
anaerobic fermentation of garbage: 201810373523, respectively;
garbage compression: 201911215575.
and the screening method of the domestic garbage treatment technology is not reported in a patent.
At present, similar patent reports are only reported in multi-energy technology quantitative screening CN105160159, soil remediation technology screening CN106394491A and ecological technology screening layout method CN110796375 in landscaping, and multi-energy technology focuses on quantitative calculation, soil remediation technology mainly uses an analytic hierarchy process, and ecological technology focuses on layout drawing.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) in the prior art, different island domestic garbage treatment technical modes can not be screened out, so that the resource utilization rate of the domestic garbage is low.
(2) The island domestic garbage treatment cost in the prior art is high, and unnecessary resource waste or environmental pollution is easily caused repeatedly.
The difficulty in solving the above problems and defects is: the technical problem is solved in that no mature and complete system in the prior art can reasonably and effectively select the garbage disposal technical modes suitable for different sea island habitats, one complete and reasonable garbage disposal technical system is built by a plurality of parts, and the system which is relatively universal cannot be suitable for each sea island. Most of the existing mature waste treatment systems are universal and single, the sea island habitat is special, a certain difference exists between the design scheme and the universal system, the solid waste treatment 3C principle is followed, and the waste treatment mode of the sea island is completely redesigned and planned.
The significance of solving the problems and the defects is that the selectable technologies at different processing stages are efficiently and reasonably combined into a whole in a module form through input data, and the most suitable garbage processing mode aiming at different island environments can be efficiently planned. The invention can efficiently and simply obtain the adaptation schemes of different islands, can best save resources and control pollution within a feasible range, and solves the problems of high cost or environmental pollution and the like possibly caused when the general technology is applied to the islands.
Disclosure of Invention
In order to overcome the problems in the related art, the disclosed embodiment of the invention provides a screening method, a screening system, a medium and a processing station for the island domestic garbage processing technology. The technical scheme is as follows:
the invention provides a screening method of an island domestic garbage treatment technology, which screens different island domestic garbage treatment technology modes through basic parameter input or model calculation, and comprehensively improves the resource utilization rate of domestic garbage, thereby reducing the treatment cost and reducing the environmental pollution.
In an embodiment of the present invention, the screening method for the sea island domestic garbage disposal technology specifically includes:
(1) determining a research area, and calculating the sea island domestic garbage production P through a tail end disposal and classification sorting module;
(2) the domestic garbage is not classified, and the production quantity P of all the island domestic garbage is the clearing and transporting quantity of the island garbage;
(3) classifying the household garbage, and shunting compostable garbage and recyclable garbage;
(4) carrying out full-automatic sorting or semi-automatic sorting on the collection units or the reconstructed garbage rooms;
(5) garbage which can not be recycled and needs to be cleared is sorted by source classification and manual/mechanical sorting; the garbage volume weight BD of other garbage buckets of the collecting unit and the proportion WC of other garbage components in the database parameters are used for calculating and obtaining the WB of other garbage buckets of the collecting unit through the input garbage generation amount WG and the garbage bucket volume V of the processing unitOThe number of the particles;
(6) shunting compostable garbage and recyclable garbage through source classification and manual/mechanical sorting; calculating the flow rate of the compostable garbage and the recyclable garbage according to the input garbage production WG and the classification sorting rate WDR of the i-type garbage and the component proportion WC of the compostable garbage and the recyclable garbage in the database parameters;
(7) the tail end treatment and classification sorting module is connected with the compostable garbage recycling module; when the compostable garbage is not subjected to resource treatment in the collection unit, the shunting amount of the compostable garbage is the transporting amount of the compostable garbage;
calculating to obtain the compostable garbage can WB of the collection unit by using the compostable garbage volume weight BD and the compostable garbage component proportion WC in the database parameters through the input compostable garbage flow-dividing rate WD and the garbage can volume VKThe number of the particles;
(8) after the compostable waste is transported, centralized resource treatment is carried out;
(9) when the compostable waste is subjected to resource treatment in the collection unit, the distributed treatment capacity TC OF the compostable waste is calculated by the input fertilization thickness T and the adjacent green land area GA and using the database parameters OF the soil volume weight SBD and the optimal proportion OF OF the organic fertilizerK；
(10) After the compost-free waste distributed treatment amount is obtained, selecting distributed biochemical treatment through a collection unit or a reconstructed waste house;
(11) the tail end disposal and classification sorting module is connected with the recyclable garbage recycling module; when the recyclable garbage is not subjected to detailed classification processing in the collection unit, the recyclable garbage split flow is the recyclable garbage transfer amount, the recyclable garbage WB in the collection unit is obtained through calculation by using the recyclable garbage volume weight BD and the recyclable garbage component proportion WC in the database parameters through the input recyclable garbage split flow WD and the garbage can volume VRThe number of the particles;
(12) the garbage can be recycled and then is treated in a centralized way after being transported;
(13) the recyclable garbage is subjected to thinning and classifying treatment in a collecting unit, manual sorting or mechanical sorting is performed by utilizing the collecting unit or a reconstructed garbage room, and the recyclable garbage is compressed;
(14) the sorted or compressed i-type recoverable garbage is the i-type recoverable garbage shunting amount of the collecting unit; by inputting the i-class recoverable garbage flow rate WD and the garbage bin volume V, the i-class recoverable garbage compression ratio SCR and the i-class recoverable garbage before-compression volume weight BD in the database parameters are calculated to obtain the i-class recoverable garbage of the collection unitWB of garbage collection barrelRThe number of the particles;
(15) carrying out outward transportation of the recyclable garbage.
In an embodiment of the present invention, the formula for calculating the quantity P of the generated island domestic garbage in step (1) is:
P＝(PNR×30+PNT×DT)×PCEC。
in an embodiment of the present invention, the step (5) collects other garbage cans WB of the unitOThe quantity calculation formula is as follows:
in an embodiment of the present invention, the calculation formula of the split flow of the compostable waste and the recyclable waste in the step (6) is as follows:
WDi＝WGi×WCi×WDRi。
in one embodiment of the invention, the step (7) of collecting the compostable garbage can WBKThe quantity calculation formula is as follows:
in one embodiment of the present invention, the step (9) of dispersing the compostable waste TCKThe calculation formula is as follows:
the step (14) is that the collection unit i type can be recovered to form a garbage can WBRThe quantity calculation formula is as follows:
another object of the present invention is to provide a screening system for a sea-island domestic waste disposal technique, which implements the screening method for a sea-island domestic waste disposal technique, comprising:
the terminal disposal and classification module is used for carrying out a screening terminal disposal and classification mode; if the garbage classification is not carried out, selecting a terminal disposal mode according to preset conditions and parameters; and if the garbage classification sorting is carried out, selecting a classification sorting mode according to preset conditions and parameters.
The compostable waste recycling module is used for screening compostable waste recycling modes; if the collection unit carries out resource processing, selecting a family and community distributed resource mode according to preset conditions and parameters; if the collection unit does not perform resource treatment, selecting a centralized resource mode according to preset conditions and parameters;
the recyclable garbage recycling processing module is used for screening a recyclable garbage recycling processing mode, and if the collecting unit carries out recyclable garbage fine classification, a sorting technology and a compression mode are selected according to preset conditions and parameters; if the collecting unit does not perform the recyclable garbage fine classification, the end processing mode is selected according to predetermined conditions and parameters.
Another object of the present invention is to provide a computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to execute the sea-island domestic waste treatment technology screening method.
The invention also aims to provide the island domestic waste treatment station, and the island domestic waste treatment technology screening method is adopted in the island domestic waste treatment station.
By combining all the technical schemes, the invention has the advantages and positive effects that:
the invention relates to a screening method of an island domestic garbage treatment technology, which can screen different island domestic garbage treatment technical modes by inputting basic parameters and applying a condition selection and model calculation method after a screening system is established.
The technical route of the invention is used for two types of typical islands in the south of Guangdong province, and the basic outline of the research area is shown in Table 1.
TABLE 1 general overview of 2 islands in the south of Guangdong province
Wherein the island A is provided with a refuse landfill site, and the island B is provided with a refuse transfer station and a compression station respectively.
The main components of the sea island domestic garbage are kitchen waste, plastics and paper, and the three types account for more than 60 percent of the total weight. Kitchen waste and grass and wood are often used as compost materials, the contents of the two types of garbage in the sea island reach 40 percent, paper, plastics, fabrics and rubber are combustible components in the household garbage, and the contents of the two types of garbage in the sea island are more than 30 percent. The calorific value of the two islands-in-sea domestic waste is shown in table 2 below.
TABLE 2 winter and summer heat value analysis of 2 exemplary island domestic garbage in Guangdong
Inputting the data into the screening system to obtain the following results: the island A is not classified, the garbage clearing and transporting amount is more than 1 ton/day, the annual average heat value of the garbage is less than 5000kJ/kg and less than 500 ton/day, so the pyrolysis technology is selected; the island B is not classified by garbage, the garbage clearing and transporting amount is less than 1 ton/day, no landfill is arranged on the island, and a garbage transporting and compressing station is arranged, so that the garbage is transported and processed after the compressing technology is selected. The results are collated with the domestic waste treatment technologies currently in use on this island as in table 3.
TABLE 3 comparison and selection of 2 example island domestic garbage treatment technologies in Guangdong
The comparison results show that the results obtained by using the screening technology can quickly judge whether the domestic garbage treatment modes of different types of islands are reasonable or not, whether the technical route needs to be improved or not and whether the domestic garbage treatment method which is most suitable for each island is adopted or not. The method is simple and efficient and has better practicability.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic flow chart of a screening method of an island domestic waste treatment technology provided by an embodiment of the present invention.
Fig. 2 is a flow chart of the end-handling and sorting module for performing the end-of-screening technique and the sorting technique according to the embodiment of the present invention.
Fig. 3 is a flow chart of the compost waste recycling processing module screening compost waste recycling processing technology provided by the embodiment of the invention.
Fig. 4 is a flowchart of a recycling process technology for screening recyclable waste by the recyclable waste recycling module according to the embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
As shown in fig. 1, the screening method for the sea island domestic waste treatment technology provided by the embodiment of the present invention includes:
s101, determining a region, and establishing a screening system of the island domestic waste treatment technology;
s102, inputting basic parameters;
s103, performing condition selection and model calculation;
s104, screening out different island domestic garbage treatment technical modes.
In a preferred embodiment of the present invention, the screening system for the sea island domestic waste treatment technology comprises:
an end-treatment and sorting module (module 1) for performing a screening end-treatment technique and a sorting technique.
Selecting an end-disposal technique (as in fig. 2) based on predetermined conditions and parameters without performing a garbage classification; and under the condition of carrying out garbage classification and sorting, selecting a classification and sorting technology according to preset conditions and parameters.
And the compostable garbage recycling module (module 2) is used for realizing the screening compostable garbage recycling technology (as shown in figure 3). When the collection unit carries out resource treatment, family and community distributed resource technologies are selected according to preset conditions and parameters; when the collection unit does not perform the resource processing, the centralized resource technology is selected according to the predetermined conditions and parameters.
A recycling processing module (module 3) for screening the recyclable waste, and selecting a sorting technique and a compression technique according to predetermined conditions and parameters when the collecting unit carries out the refinement and classification of the recyclable waste (see fig. 4); when the collecting unit does not perform the recyclable waste refinement classification, the end-processing technique is selected according to predetermined conditions and parameters.
The technical solution of the present invention is further described below with reference to specific examples.
Examples
The screening method of the island domestic garbage treatment technology provided by the invention specifically comprises the following steps:
(1) determining a research area, entering a terminal disposal and classification sorting module (module 1), inputting the island population number PN (including the resident R and the tourist T) and the residence days D, using the database parameter of the island per-capita garbage emission coefficient PCEC, and calculating the island domestic garbage generation amount P according to the formula (1). If the quantity P of the island domestic garbage is subjected to investigation and statistics, the quantity P of the island domestic garbage can be directly input.
P＝(PNR×30+PNT×DT)×PCEC (1)
(2) The domestic garbage is not classified, all the island domestic garbage is cleared, and the island domestic garbage production amount P is the island garbage clearing and transporting amount. When the input island refuse clearing and transporting quantity is less than 1 ton/day, the sanitary landfill technology and the compression technology can be selected, if a landfill site is arranged in the island, the offshore distance is far, the sanitary landfill technology is selected; if no landfill is arranged in the island, the distance from the island is short, and the compression technology is selected for direct outward transportation. When the input sea island garbage clearing and transporting amount is more than or equal to 1 ton/day, the incineration technology and the pyrolysis technology can be selected, if the low calorific value is more than 5000 kilojoules/kilogram, and the disposal amount is more than 500 tons/day, the incineration technology is selected; if the low heat value is less than 5000 kilojoules/kilogram and the disposal quantity is less than or equal to 500 tons/day, the pyrolysis technology is selected.
(3) The household garbage is classified, and the compostable garbage and the recyclable garbage are shunted. When the classification proportion of the input national garbage is more than or equal to 90 percent, the special degradation bag technology and the classification garbage can technology for compostable garbage are selected without the auxiliary classification technology, and the convenience of source classification and the tail end recycling efficiency are improved. The classification proportion of input civil garbage is less than 90%, full-automatic, semi-automatic, sorting table auxiliary manual sorting technology and non-auxiliary manual sorting technology can be selected, if a collecting unit (the collecting unit: a place where a garbage can is arranged to collect the household garbage, such as residential quarters, enterprise and public institution, restaurants, garbage stations and the like) is not built or reconstructed, a garbage house (a front-end treatment household garbage building built or reconstructed by the collecting unit has an equipment placement area and a hydroelectric access function) is not built or reconstructed, the non-auxiliary manual sorting technology is selected, manual sorting of the garbage is directly carried out by sorting workers, and the sorting efficiency is low; if the collecting unit is built or rebuilt into a garbage room, the full-automatic, semi-automatic and sorting table auxiliary manual sorting technology can be selected.
(4) The garbage room has been built or rebuilt to the collection unit, and input garbage room handling capacity is less than 300 kg/day, selects the supplementary manual sorting technique of letter sorting platform, and this technique separable filtration liquid and do not have the power consumption, and letter sorting efficiency is higher than not having supplementary manual sorting technique. The input garbage room processing capacity is more than or equal to 300 kg/day, full-automatic and semi-automatic sorting technologies can be selected, the sorting efficiency is higher than that of an unaided manual sorting technology and a sorting table assisted manual sorting technology, if the investment cost is more than or equal to 20 ten thousand yuan and the operation cost is less than 7000 yuan/month, the full-automatic sorting technology is selected, the technology does not need to participate in the sorting process manually, and only water and electricity are consumed; if the investment cost is less than 20 ten thousand yuan and the operation cost is more than or equal to 7000 yuan/month, a semi-automatic sorting technology is selected, and the technology needs manpower to participate in the sorting process, so that the energy consumption is low, and the labor cost is mainly low.
(5) After source classification and manual/mechanical sorting, other garbage which cannot be recycled and needs to be cleared is finally obtained. Inputting the garbage output WG and the garbage can volume V of the processing unit, calculating according to a formula (2) by using the volume weight BD of other garbage and the proportion WC of other garbage components in the database parameters to obtain WB of other garbage cans of the collecting unitOThe number of the cells. The volume weight BD of garbage and the proportion WC of garbage components can also be obtained through experiments.
(6) The compostable waste and the recyclable waste are diverted by source sorting and manual/mechanical sorting. And (3) inputting the garbage output WG and the classification sorting rate WDR of the i-type garbage of the processing unit, and calculating the flow rate of the compostable garbage and the recyclable garbage according to a formula (3) by using the component proportion WC of the compostable garbage and the recyclable garbage in the database parameters. The proportion WC of the garbage components can also be obtained through experiments.
WDi＝WGi×WCi×WDRi (3)
(7) The tail end disposal and classification sorting module (module 1) is connected with the compostable garbage recycling module (module 2). And when the compostable garbage is not subjected to resource treatment in the collection unit, the shunting quantity of the compostable garbage is the transporting quantity of the compostable garbage. Inputting the compostable garbage shunt flow WD and the garbage can volume V, calculating the compostable garbage volume weight BD and the compostable garbage component proportion WC in the database parameters according to a formula (4) to obtain the compostable garbage can WB of the collection unitKThe number of the cells. Garbage canThe volume weight BD of the garbage and the proportion WC of the garbage components can also be obtained through experiments.
(8) After the compostable garbage is transported, centralized resource treatment is carried out. The input investment cost is low, and the treatment capacity is less than 1 ton/day, and a simple static composting technology is selected. When the input investment cost is high and the treatment capacity is more than or equal to 1 ton/day, a mechanical dynamic composting technology and an anaerobic fermentation power generation technology can be selected, and if the island is developed with renewable energy sources (wind energy, tidal energy, solar energy and the like) for power generation and grid connection, the anaerobic fermentation power generation technology is selected; if the island does not develop renewable energy power generation grid connection, a mechanized dynamic composting technology is selected.
(9) When the compostable garbage is subjected to resource treatment in the collection unit, the distributed treatment capacity of the compostable garbage is generally the consumption capacity of the nearby organic fertilizer, and the planned distributed treatment capacity can also be manually input. Inputting the fertilizing thickness T and the GA (including plot greenbelts, road greenbelts, park greenbelts and the like) OF the areas OF the greenbelts nearby, calculating the dispersive treatment capacity TC OF the compostable garbage according to a formula (5) by using the database parameters OF the soil volume weight SBD and the optimal proportion OF OF the organic fertilizerK. The soil volume weight SBD and the organic fertilizer optimal proportion OF can be obtained through experiments.
(10) After the compost-free garbage distributed treatment amount is obtained, the collecting unit is constructed or rebuilt a garbage house, and a distributed biochemical treatment technology is selected. The collecting unit is not built or reconstructed into a garbage room, a sealed simple composting technology and an earthworm composting technology can be selected, and if the occupied area is large, the earthworm composting technology is selected; if the occupied area is small, a sealed simple composting technology is selected.
(11) The tail end disposal and classification sorting module (module 1) is connected with a recyclable garbage recycling treatment module (module 3). When the recyclable garbage is not subjected to the detailed classification treatment in the collection unit, the recyclable garbage can be classified into various typesThe shunting quantity of the recovered garbage is the transfer quantity of the recoverable garbage. Inputting the recyclable garbage flow rate WD and the garbage can volume V, calculating the recyclable garbage WB of the collection unit according to a formula (4) by using the recyclable garbage volume weight BD and the recyclable garbage component proportion WC in the database parametersRThe number of the cells. The volume weight BD of garbage and the proportion WC of garbage components can also be obtained through experiments.
(12) The garbage can be recycled and then is treated in a centralized way after being transported. When the input recoverable garbage transfer volume is less than 1 ton/day, a waste product recycle bin is selected for temporary storage and outward transportation. When the input recoverable garbage transportation amount is more than or equal to 1 ton/day, a pyrolysis technology and an incineration technology can be selected, and if the disposal amount is more than 500 tons/day, the incineration technology is selected; if the treatment amount is less than or equal to 500 tons/day, a pyrolysis technology is selected.
(13) The recyclable garbage is subjected to thinning and classifying treatment in the collecting unit, and when a garbage room is not built or reconstructed in the collecting unit, a manual sorting technology is selected. When the collecting unit is built or reconstructed into a garbage room, selecting a mechanical sorting technology, and if the sorted i-type recyclable garbage is light floating objects, selecting a mechanical compression technology; if the sorted i-type recyclable garbage is not a light floater, a manual compression technology is selected.
(14) The sorted or compressed i-type recoverable garbage is the i-type recoverable garbage shunting amount of the collecting unit. Inputting the i-type recoverable garbage shunt quantity WD and the garbage can volume V, calculating according to a formula (6) by using the i-type recoverable garbage compression ratio SCR and the i-type recoverable garbage before-compression volume weight BD in the database parameters to obtain the i-type recoverable garbage can WB of the collection unitRThe number of the cells. The garbage volume weight BD and the recoverable garbage compression ratio SCR can also be obtained through experiments.
(15) The split flow of the i-type recoverable garbage is the total amount of the i-type recoverable garbage transported, and when the total amount of the i-type recoverable garbage transported is input to be more than or equal to 10 tons, the i-type recoverable garbage is directly transported outwards; when the total amount of input i-type recyclable garbage transported is less than 10 tons, the waste recycling station temporarily stores and transports the waste.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.
Claims (10)
1. A screening method for an island domestic garbage disposal technology is characterized by comprising the following steps:
after a screening system is established in the determined area, a condition selection and model calculation method is applied through basic parameter input to screen out the domestic garbage treatment technical modes suitable for different islands.
2. The screening method of island domestic waste disposal technology according to claim 1, wherein the screening method of island domestic waste disposal technology specifically comprises:
(1) determining a research area, and calculating the sea island domestic garbage production P through a tail end disposal and classification sorting module;
(2) the domestic garbage is not classified, and the production quantity P of all the island domestic garbage is the clearing and transporting quantity of the island garbage;
(3) classifying the household garbage, and shunting compostable garbage and recyclable garbage;
(4) carrying out full-automatic sorting or semi-automatic sorting on the collection units or the reconstructed garbage rooms;
(5) garbage which can not be recycled and needs to be cleared is sorted by source classification and manual/mechanical sorting; through the transfusionThe garbage generation amount WG and the garbage can volume V of the input processing unit are calculated by using the volume weight BD of other garbage and the proportion WC of other garbage components in the database parameters to obtain the WB of other garbage cans of the collection unitOThe number of the particles;
(6) shunting compostable garbage and recyclable garbage through source classification and manual/mechanical sorting; calculating the flow rate of the compostable garbage and the recyclable garbage according to the input garbage production WG and the classification sorting rate WDR of the i-type garbage and the component proportion WC of the compostable garbage and the recyclable garbage in the database parameters;
(7) the tail end treatment and classification sorting module is connected with the compostable garbage recycling module; when the compostable garbage is not subjected to resource treatment in the collection unit, the shunting amount of the compostable garbage is the transporting amount of the compostable garbage; calculating to obtain the compostable garbage can WB of the collection unit by using the compostable garbage volume weight BD and the compostable garbage component proportion WC in the database parameters through the input compostable garbage flow-dividing rate WD and the garbage can volume VKThe number of the particles;
(8) after the compostable waste is transported, centralized resource treatment is carried out;
(9) when the compostable waste is subjected to resource treatment in the collection unit, the distributed treatment capacity TC OF the compostable waste is calculated by the input fertilization thickness T and the adjacent green land area GA and using the database parameters OF the soil volume weight SBD and the optimal proportion OF OF the organic fertilizerK；
(10) After the compost-free waste distributed treatment amount is obtained, selecting distributed biochemical treatment through a collection unit or a reconstructed waste house;
(11) the tail end disposal and classification sorting module is connected with the recyclable garbage recycling module; when the recyclable garbage is not subjected to detailed classification processing in the collection unit, the recyclable garbage split flow is the recyclable garbage transfer amount, the recyclable garbage WB in the collection unit is obtained through calculation by using the recyclable garbage volume weight BD and the recyclable garbage component proportion WC in the database parameters through the input recyclable garbage split flow WD and the garbage can volume VRThe number of the particles;
(12) the garbage can be recycled and then is treated in a centralized way after being transported;
(13) the recyclable garbage is subjected to thinning and classifying treatment in a collecting unit, manual sorting or mechanical sorting is performed by utilizing the collecting unit or a reconstructed garbage room, and the recyclable garbage is compressed;
(14) the sorted or compressed i-type recoverable garbage is the i-type recoverable garbage shunting amount of the collecting unit; by inputting the i-class recoverable garbage shunt quantity WD and the garbage bin volume V, calculating the WB of the i-class recoverable garbage bin of the collection unit by using the i-class recoverable garbage compression ratio SCR and the i-class recoverable garbage before compression volume weight BD in the database parametersRThe number of the particles;
(15) carrying out outward transportation of the recyclable garbage.
3. The screening method of island domestic waste treatment technology according to claim 2, wherein said step (1) of calculating the island domestic waste production P is represented by the formula:
P＝(PNR×30+PNT×DT)×PCEC。
4. the screening method for island domestic garbage disposal technology according to claim 2, wherein the step (5) of collecting other garbage cans WB of the collecting unitOThe quantity calculation formula is as follows:
5. the screening method of island domestic waste treatment technology of claim 2, wherein the said step (6) of calculating the flow rate of compostable waste and recyclable waste is as follows:
WDi＝WGi×WCi×WDRi。
6. the screening method of island domestic waste treatment technology according to claim 2, wherein said step (7) of collecting unit compostable garbage can WBKThe quantity calculation formula is as follows:
7. the screening method of island domestic waste treatment technology according to claim 2, wherein said step (9) is a step of dispersing the compostable waste treatment amount TCKThe calculation formula is as follows:
the step (14) is that the collection unit i type can be recovered to form a garbage can WBRThe quantity calculation formula is as follows:
8. an island-in-sea domestic waste disposal technique screening system for carrying out the island-in-sea domestic waste disposal technique screening method according to any one of claims 1 to 7, wherein the island-in-sea domestic waste disposal technique screening system comprises:
the terminal disposal and classification module is used for carrying out a screening terminal disposal and classification mode; if the garbage classification is not carried out, selecting a terminal disposal mode according to preset conditions and parameters; if the garbage classification sorting is carried out, selecting a classification sorting mode according to preset conditions and parameters;
the compostable waste recycling module is used for screening compostable waste recycling modes; if the collection unit carries out resource processing, selecting a family and community distributed resource mode according to preset conditions and parameters; if the collection unit does not perform resource treatment, selecting a centralized resource mode according to preset conditions and parameters;
the recyclable garbage recycling processing module is used for screening a recyclable garbage recycling processing mode, and if the collecting unit carries out recyclable garbage fine classification, a sorting technology and a compression mode are selected according to preset conditions and parameters; if the collecting unit does not perform the recyclable garbage fine classification, the end processing mode is selected according to predetermined conditions and parameters.
9. A computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to execute the screening method of the island domestic waste treatment technique according to any one of claims 1 to 7.
10. An island-in-sea domestic waste disposal station, wherein the island-in-sea domestic waste disposal station is the screening method for the island-in-sea domestic waste disposal technique according to any one of claims 1 to 7.
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