CN112354830B

CN112354830B - Garden waste treatment method and system

Info

Publication number: CN112354830B
Application number: CN202011098072.6A
Authority: CN
Inventors: 周立娜
Original assignee: Beijing Xingnan Landscaping Co ltd
Current assignee: Beijing Xingnan Landscaping Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2022-06-03
Anticipated expiration: 2040-10-14
Also published as: CN112354830A

Abstract

The application relates to a garden waste treatment method and a system, which comprises the following steps: s1 collection: collecting the wastes in the garden; s2 sorting: dividing the collected waste into a high-component classification and a low-component classification according to the content of organic matter components, wherein the high-component classification comprises barks, leaves and grass clippings, the low-component classification comprises branches and trunks, and the barks in the high-component classification are selected separately; s3 low fraction classification treatment: scraping off barks on the branches and the trunks, classifying the scraped barks into high-component classes, and conveying the branches and the trunks, from which the barks are scraped, to a wood processing factory; s4 high-component classification treatment: the bark in the high-component waste is sequentially crushed, dyed, fermented and dried to form an improved covering, and the leaves and the grass scraps in the high-component waste are composted. This application has carries out reasonable classification to the gardens discarded object, improves the utilization ratio of resource to improve the effect to the treatment effeciency of gardens discarded object.

Description

Garden waste treatment method and system

Technical Field

The application relates to the field of gardens, in particular to a garden waste treatment method and system.

Background

The garden waste refers to the waste such as trunks, branches, leaves, grass scraps and the like generated in urban landscaping and forestry production work. With the rapid development of urban landscaping career, the quantity of landscaping waste generated is soaring year by year, and how to rationalize and utilize the landscaping waste is one of the problems to be solved.

The current treatment modes for garden waste mainly comprise: 1. carrying out anaerobic fermentation on garden waste to prepare methane; 2. processing the green and tender parts of grass scraps and barks in the landscaping process into grass powder or feed; 3. carrying out fermentation composting treatment on garden waste to form a fertilizer; 4. preparing garden waste into garden organic covering; 5. and (4) utilizing heat energy formed by burning garden wastes.

The existing treatment mode for the garden waste is single, the garden waste is not reasonably classified to realize the maximum utilization of resources, and the treatment efficiency of the garden waste is low.

Disclosure of Invention

In order to reasonably classify the garden waste, improve the utilization rate of resources and improve the treatment efficiency of the garden waste, the application provides a garden waste treatment method and a garden waste treatment system.

In a first aspect, the application provides a garden waste treatment method, which adopts the following technical scheme:

a garden waste treatment method comprises the following steps:

s1 collection: collecting wastes in gardens;

s2 sorting: dividing the collected waste into a high-component classification and a low-component classification according to the content of organic matter components, wherein the high-component classification comprises barks, leaves and grass clippings, the low-component classification comprises branches and trunks, and the barks in the high-component classification are selected separately;

s3 low fraction classification treatment: scraping off barks on the branches and the trunks, classifying the scraped barks into high-component classes, and conveying the branches and the trunks, from which the barks are scraped, to a wood processing factory;

s4 high-component classification treatment: the bark in the high-component waste is sequentially crushed, dyed, fermented and dried to form an improved covering, and the leaves and the grass scraps in the high-component waste are composted.

By adopting the technical scheme, because the organic matter content in the barks, the leaves and the grass clippings reaches more than 90 percent and is rich in a large amount of nutrient substances required in the growth process of plants, the organic matter content in the branches and the trunks is generally between 40 percent and 70 percent, but the trunks and the branches can be processed into various wood products, the collected garden waste is divided into a high-group classification and a low-group classification according to the organic matter content, so that the barks, the leaves and the grass clippings with higher organic matter content can provide nutrition for the growth process of the plants, and the branches and the trunks with lower organic matter content can be conveyed to a wood processing factory, thereby realizing reasonable utilization of the garden waste with high-group classification and low-group classification; meanwhile, the barks on the trunk and the branches are scraped, so that the barks scraped on the trunk and the branches can also be classified into a low group and provide nutrition for the growth process of the plant; in addition, because the tree bark is not easy to decompose during composting treatment and contains a large amount of cellulose, the tree bark is crushed, dyed, fermented and dried and is made into a wiredrawing improved covering material, the improved covering material can be covered on the surface of soil planted by plants, the water retention and storage capacity of the soil is effectively improved, the evaporation speed of water in the soil is reduced, and the improved covering material can be naturally degraded into nutrients required by the plant growth process after a period of time; and leaves and grass clippings can bury in the soil after the compost is handled, provide the nutrient for vegetation process to realized the reasonable classification to the gardens discarded object, made the discarded object of different grade type can exert a function in the at utmost, effectively improved the resource utilization of gardens discarded object, thereby improved the treatment effeciency of gardens discarded object.

Preferably, the branches with the branch diameter of less than 20mm are selected in the step S2, and the branches with the branch diameter of less than 20mm are sequentially crushed, dyed, fermented and dried in the step S3 low-component treatment to form the additive covering.

Through adopting above-mentioned technical scheme, elect the branch that the diameter is less than 20mm during the selection to smash it in proper order, dye, fermentation and drying, and make and add type of covering, the branch persistence is strong, and the colour is abundant after the dyeing, bright, will add type of covering and cover on the soil surface that the plant was planted, not only effectively improved the water permeability of overburden, also improved the view effect on soil surface, thereby further realized the reasonable classification to the gardens discarded object, improved the utilization ratio of gardens discarded object resource.

Preferably, the processing method further includes step S5 mixing after the high component classification processing of step S4: mixing the improved covering and the added covering according to the weight ratio of (0.8-1.2) to 1, and storing.

By adopting the technical scheme, the improved covering and the added covering are mixed and then laid on the surface of the soil, so that the soil has good water permeability and strong water retention capacity, the self performance of the soil can be improved, nutrients required in the growth process are provided for plants, and meanwhile, the improved covering and the added covering are good in stability, and are not easy to be dispersed by rainwater or strong wind.

Preferably, the step S4 is to perform a classification and screening process on the modified covering according to size in the high-component classification process.

By adopting the technical scheme, the improved covers are classified and screened according to the sizes of the improved covers, so that the improved covers are classified more finely, the improved covers with different sizes can be used in different scenes, and the utilization rate of resources is further improved.

Preferably, the step S3 is to perform a classification and screening on the added class cover according to size in the low-component classification process.

Through adopting above-mentioned technical scheme, carry out hierarchical screening to adding type cover, make the classification of adding type cover more meticulous, can be with not unidimensional adding type cover in the scene of difference, make the selection and the use of adding type cover more reasonable, improved the resource utilization of gardens discarded object.

In a second aspect, the present application provides a garden waste treatment system, which adopts the following technical scheme:

a garden waste treatment system comprises a collecting box, a sorting device and a treatment device which are sequentially arranged, wherein the sorting device comprises a rack, an upper conveying assembly and a lower conveying assembly, the upper conveying assembly comprises two upper conveying rollers rotatably arranged on the rack, an upper conveying belt arranged between the two upper conveying rollers, and an upper driving piece fixedly arranged on the rack and used for driving the upper conveying rollers, a plurality of sorting holes are uniformly formed in the upper conveying belt, a peeling machine is arranged at the outlet end of the upper conveying belt, and a discharge box and a sorting box are arranged at the outlet end of the peeling machine; the lower conveying assembly comprises two lower conveying rollers arranged on the frame in a rotating mode, a lower conveying belt arranged between the two lower conveying rollers, and a lower driving piece fixedly arranged below the frame and used for driving the lower conveying rollers, the lower conveying belt is located below the upper conveying rollers, the outlet end of the lower conveying belt is provided with a sorting table, and a first sorting box and a second sorting box are arranged on one side of the sorting table.

By adopting the technical scheme, the wastes in the garden are collected into the collection box, and the wastes collected in the collection box are placed on the upper conveying belt for conveying; high components with high organic matter content such as barks, leaves and grass clippings have small sizes, so that the high components in the waste can fall onto the lower conveying belt from the sorting holes on the upper conveying belt in the conveying process, while low components with low organic matter content such as branches and vertical rods have large sizes and can be left on the upper conveying belt for continuous conveying; the branches and the trunks on the upper conveyor belt are conveyed to a peeling machine, and barks on the branches and the trunks are scraped by the peeling machine, so that the barks on the branches and the trunks fall into the discharge box, and the branches and the trunks fall into the sorting box; bark on the bottom suspension conveyer belt, leaf and grass bits are carried to the letter sorting bench, sort on the letter sorting bench, collect leaf and grass bits and conclude the incasement at the first, and the bark that will descend on the conveyer belt and go out the incasement all collects and conclude the incasement at the second, then processing apparatus concludes the case to the first respectively, the second concludes the case and handles, the realization is to the rational classification and the classification process of gardens discarded object, the utilization ratio of resource has effectively been improved, and the treatment effeciency to the gardens discarded object has been improved.

Preferably, one side of letter sorting case is provided with the third and sums up the case and sum up the case with the fourth, and processing apparatus includes that the setting sums up two sets of fermentation subassemblies of case one side in the second and third collection case respectively, and the fermentation subassembly is including the rubbing crusher, dyeing machine, fermentation case and the drying cabinet that set gradually.

By adopting the technical scheme, the branches and the trunks in the sorting box are sorted, the branches with the diameter smaller than 20mm are collected into the third storage box, the rest branches and trunks are collected into the fourth storage box, and the trunks and the branches in the fourth storage box are conveyed to a wood processing factory for producing wood products; the fermentation assembly respectively treats the bark in the second storage box and the branches in the third storage box, so that the bark in the second storage box and the branches in the third storage box sequentially pass through the crushing process of the crusher, the dyeing process of the dyeing machine, the fermentation process of the fermentation box and the drying process of the drying box, the bark in the second storage box is made into an improved covering, the branches in the third storage box are made into an added covering, the classification treatment process of the garden waste is further realized, the waste of different types can play the role to the maximum degree, and the resource utilization rate of the garden waste is effectively improved.

Preferably, the treatment device further comprises a mixer and a storage tank arranged between the drying boxes of the two sets of fermentation assemblies.

Through adopting above-mentioned technical scheme, set up between the drying cabinet of two sets of fermentation subassemblies and mix machine and bin, can be respectively with the improvement class covering in two sets of fermentation subassembly drying cabinets and add class covering at the blender misce bene, store in the bin again to form the better mixed covering of performance, realize the mixing action to improvement class covering and addition class covering.

Preferably, processing apparatus is still including setting up the screening subassembly in drying cabinet one side, and the screening subassembly includes screening case, first sieve, second sieve and temporary storage case, and first sieve and second sieve all incline to set up in the screening incasement, and first sieve is located the top of second sieve, and the sieve mesh diameter on the first sieve is greater than the sieve mesh diameter on the second sieve, and the screening incasement is close to one side top-down of first sieve bottom and has set gradually three discharge gate, and three discharge gate is located first sieve top respectively, between first sieve and the second sieve and below the third sieve, and three discharge gate department all is provided with temporary storage case.

Through adopting the above technical scheme, set up screening subassembly in one side of drying cabinet, sieve improvement class cover and interpolation class cover respectively, make improvement class cover and the screening effect of interpolation class cover through first sieve and second sieve, can divide into different three types according to the size, and store in the case of keeping in temporary storage of three difference through three discharge gate respectively, the realization is to the screening effect of improvement class cover and interpolation class cover, make not unidimensional improvement class cover and interpolation class cover be used for different scenes respectively, the further rational classification of gardens discarded object has been realized, the utilization ratio of resource has been improved.

Preferably, the screen assembly is still including setting up two stirring portions respectively between first sieve top and first sieve and the second sieve, and stirring portion includes the puddler of being connected with the rotation of screening case, fixed a plurality of stirring vane who sets up on the puddler and fixed setting on the screening case and with puddler fixed connection's agitator motor.

Through adopting above-mentioned technical scheme, set up stirring portion in the screening case, can stir improvement type covering and addition type covering in the screening case for the granule that the size is less in improvement type covering and addition type covering can be followed first sieve and fall down on the second sieve, has improved the screening efficiency of screening subassembly to improvement type covering and addition type covering.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by dividing the garden waste into high-group classification and low-group classification, barks, leaves and grass clippings with higher organic matter component content can provide nutrition for the plant growth process, and branches and trunks with lower organic matter component content can be conveyed to a wood processing factory, so that the garden waste is reasonably classified, and the resource utilization rate of the garden waste is improved;

2. the bark is made into an improved covering material, and the leaves and the grass scraps are subjected to composting treatment, so that different types of waste in high-component classification can play different roles according to the characteristics of the waste, and the high-component classification waste is further reasonably classified and effectively utilized;

3. the branches and the barks on the trunk are scraped to be classified into a high group, and the branches with the diameter smaller than 20mm are selected to be made into an additive covering, so that the low-component waste is further reasonably classified and effectively utilized.

Drawings

FIG. 1 is a process flow diagram of the present application;

FIG. 2 is a schematic view intended to illustrate the structure of the sorting apparatus;

figure 3 is a schematic diagram illustrating the construction of a screen assembly.

Description of reference numerals: 1. a collection box; 2. a sorting device; 21. a frame; 22. an upper transfer assembly; 221. an upper transfer roller; 222. uploading a conveyor belt; 2221. a sorting hole; 223. an upper drive motor; 23. a lower transfer assembly; 231. a lower conveying roller; 232. a lower conveyor belt; 233. a lower drive motor; 3. a peeling machine; 31. a discharging box; 32. sorting boxes; 321. a third storage box; 322. a fourth induction box; 4. a sorting table; 41. a first induction box; 42. a second induction box; 5. a processing device; 51. a fermentation assembly; 511. a pulverizer; 512. a dyeing machine; 513. a fermentation box; 514. a drying oven; 52. a screen assembly; 521. screening boxes; 5211. a discharge port; 522. a first screen deck; 523. a second screen deck; 524. a temporary storage box; 525. a stirring section; 5251. a stirring rod; 5252. a stirring blade; 5253. a stirring motor; 53. a mixer; 54. a storage box.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a garden waste treatment method.

A garden waste treatment method comprises the following steps:

s1 collection:

and collecting the wastes in the garden and storing the collected wastes.

S2 sorting:

sorting the collected waste in the collecting box 1, so that the collected waste is divided into high-component classification and low-component classification according to the content of organic matter components, wherein the high-component classification comprises barks, leaves and grass clippings, the low-component classification comprises branches and trunks, and the high-component classification and the low-component classification are conveniently and independently processed after sorting, so that the reasonable classification of garden waste is realized, and the utilization rate of resources is improved.

Because high group's classification size such as bark, leaf and grass bits is less, and low component class size such as branch, trunk is great, accessible size of a dimension divide into high group's classification and low component class with the discarded object in the collecting box 1 during the separation for the sorting process of discarded object is more convenient.

After sorting, the barks in the high-component class are separately sorted out, the branches with the diameter less than 20mm in the low-component class are sorted out, and the waste is further sorted, so that the resources are reasonably utilized.

S3 low fraction classification treatment:

when handling low component classification, scrape the bark on branch and the trunk earlier to the bark that will scrape falls into in the high component classification, then will scrape branch and trunk after the bark and carry to the wood processing factory, make branch and trunk can be processed into the woodwork.

And (4) sequentially crushing, dyeing, fermenting and drying the selected branches with the diameters of less than 20mm in the sorting in the step S2 to form the additive covering. The additive covering made of the branches has strong durability, and can effectively improve the water permeability of the soil surface by covering the additive covering on the soil surface where plants grow.

The adding type covering objects are classified and screened according to the sizes of the adding type covering objects, so that the adding type covering objects with different sizes can be conveniently used in different scenes, and the resource utilization rate of the garden waste is further improved.

S4 high-component classification treatment:

when high-component classification is processed, the leaves, grass clippings and the like are subjected to composting treatment, and the composted leaves, grass clippings and the like are buried in soil, so that nutrients are provided for the growth process of plants.

The barks selected in the step S2 are sequentially crushed, dyed, fermented and dried to form an improved covering, the improved covering made of the barks has good water retention and water storage performance, the improved covering is covered on the soil surface where the plants grow, the evaporation speed of water in the soil can be slowed down, the improved covering can be naturally degraded into nutrients needed in the plant growth process after a period of time, and the resource utilization rate of the garden waste is effectively improved.

The improved covers are classified and screened according to the sizes of the improved covers, so that the improved covers with different sizes can be conveniently used in different scenes, and the resource utilization rate of garden waste is further improved.

S5 mixing:

after the modified covering and the additional covering are made, the modified covering and the additional covering are mixed according to the weight ratio of 1: 1 and then stored. The improved mulch and the added mulch are mixed and then laid on the soil surface, so that the improved mulch and the added mulch both have the effect of the improved mulch and the added mulch on the surface of the plant growth soil, and the stability of the improved mulch and the added mulch can be enhanced after the improved mulch and the added mulch are mixed, so that the improved mulch and the added mulch are not easily scattered by rainwater or strong wind, the optimal effect is achieved, and reasonable utilization of garden waste is achieved.

The embodiment of the application also discloses a gardens waste disposal system.

Referring to fig. 1, a garden waste treatment system includes a collection box 1, a sorting device 2 and a treatment device 5, which are sequentially arranged. During the use, the gardens discarded object that will collect is stored in collecting box 1, then selects separately the discarded object through sorting unit 2, and rethread processing apparatus 5 carries out the independent processing to the discarded object after selecting separately to the realization is to the reasonable classification of gardens discarded object, improves the utilization ratio of resource.

Referring to fig. 2, the sorting apparatus 2 includes a frame 21, an upper conveyance assembly 22, and a lower conveyance assembly 23, and both the upper conveyance assembly 22 and the lower conveyance assembly 23 are provided on the frame 21. The upper conveying assembly 22 comprises two upper conveying rollers 221, two upper conveying belts 222 and two upper driving pieces, and the two upper conveying rollers 221 are rotatably connected with the rack 21; the upper conveyor belt 222 is arranged between the two upper conveyor rollers 221, and a plurality of sorting holes 2221 are uniformly formed in the upper conveyor belt 222; the upper driving part is an upper driving motor 223, the upper driving motor 223 is fixedly arranged on the frame 21, and an output shaft of the upper driving motor 223 is coaxially and fixedly connected with one of the upper conveying rollers 221. The lower conveying assembly 23 comprises two lower conveying rollers 231, two lower conveying belts 232 and a next driving piece, and the two lower conveying rollers 231 are rotatably connected with the rack 21; the lower transfer belt 232 is disposed between the two lower transfer rollers 231 and below the upper transfer belt 222; the lower driving member is a lower driving motor 233, the lower driving motor 233 is fixedly disposed on the frame 21, and an output shaft of the lower driving motor 233 is coaxially and fixedly connected with one of the lower conveying rollers 231.

During the use, place the discarded object in the collecting box 1 and carry on last conveyer belt 222, the categorised high group of organic matter content such as bark, leaf and grass bits drops to on the conveyer belt 232 down from the hole 2221 of selecting separately on the conveyer belt, and the lower categorised low group of organic matter content such as branch, montant continues to carry on last conveyer belt 222 to the realization is to high group's and the categorised sorting process of low group.

Referring to fig. 1, the exit end of the lower conveyor belt 232 is provided with a sorting table 4, and a first sorting bin 41 and a second sorting bin 42 are provided at one side of the sorting table 4. The outlet end of the upper conveyor belt 222 is provided with a peeling machine 3, the outlet end of the peeling machine 3 is provided with a discharge box 31 and a sorting box 32, and one side of the sorting box 32 is provided with a third storage box 321 and a fourth storage box 322.

The branches and the trunks on the upper conveyor belt 222 are conveyed into the peeler 3 along the upper conveyor belt 222, the peeler 3 scrapes down barks on the branches and the trunks so that the barks on the branches and the trunks fall into the discharge box 31 and the branches and the trunks fall into the sorting box 32, the branches in the sorting box 32 are sorted, the branches with the diameter smaller than 20mm are collected in the third collection box 321, and the rest branches and the trunks are collected in the fourth collection box 322 and are subsequently conveyed to a wood processing plant; bark, leaf and grass bits on the lower conveyer belt 232 are carried to letter sorting platform 4 along lower conveyer belt 232 on, sort on letter sorting platform 4, collect leaf and grass bits and conclude the case 41 follow-up compost processing of carrying on in the first, and collect the bark on the lower conveyer belt 232 and go out the bark in the workbin 31 and conclude the case 42 in the second, realize the reasonable classification to the gardens discarded object.

Referring to fig. 1, the processing apparatus 5 includes a fermentation assembly 51, a screen assembly 52, a mixer 53, and a storage tank 54, the fermentation assembly 51 is provided in two sets and is respectively located at one side of a second induction tank 42 and a third induction tank 321, and the fermentation assembly 51 includes a pulverizer 511, a dyeing machine 512, a fermentation tank 513, and a drying tank 514, which are sequentially provided.

Crushing the bark in the second induction box 42 by a crusher 511, then dyeing in a dyeing machine 512, then fermenting in a fermentation box 513, and finally drying in a drying box 514, thereby preparing the bark into an improved covering; the branches in the third storage box 321 also sequentially pass through the treatment processes of the crusher 511, the dyeing machine 512, the fermentation box 513 and the drying box 514, and are made into the added covering objects, so that the classification treatment process of the garden waste is realized, and the garden waste resource is reasonably utilized.

Referring to fig. 3, two sets of screen assemblies 52 are provided, and correspond to the fermentation assemblies 51 one by one, each screen assembly 52 includes a screen box 521, a first screen plate 522, a second screen plate 523, a stirring part 525 and a temporary storage box 524, the first screen plate 522 and the second screen plate 523 are both obliquely arranged in the screen box 521, and the first screen plate 522 is located above the second screen plate 523; the stirring parts 525 are provided with two groups and are respectively positioned above the first sieve plate 522 and between the first sieve plate 522 and the second sieve plate 523, each stirring part 525 comprises a stirring rod 5251, a stirring blade 5252 and a stirring motor 5253, the stirring rods 5251 are horizontally arranged in the sieve box 521 and are rotatably connected with the sieve box 521, the stirring blades 5252 are provided with a plurality of stirring blades which are uniformly fixed on the stirring rods 5251, the stirring motors 5253 are fixedly arranged on the sieve box 521, and the output shafts of the stirring motors 5253 are coaxially and fixedly connected with one end of each stirring rod 5251; one side of the screening box 521 near the bottom end of the first screen plate 522 is provided with three discharge ports 5211 from top to bottom in sequence, the three discharge ports 5211 are respectively located above the first screen plate 522, between the first screen plate 522 and the second screen plate 523 and below the third screen plate, and the temporary storage box 524 is arranged at each of the three discharge ports 5211. Referring to fig. 1, the mixer 53 is disposed between the temporary storage tanks 524 of the two fermentation assemblies 51, and the storage tank 54 is located at one side of the mixer 53.

The improved covering materials and the added covering materials respectively made by the two groups of fermentation components 51 are respectively poured into the screening boxes 521 of the two groups of screening components 52, the stirring motor 5253 drives the stirring rod 5251 to rotate in the screening boxes 521 and drives the stirring blades 5252 to stir the improved covering materials and the added covering materials, so that the first sieve plate 522 and the second sieve plate 523 in the two screening boxes 521 sieve the improved covering materials and the added covering materials according to the sizes to form improved covering materials and added covering materials with three different sizes, the improved covering materials and the added covering materials with three different sizes are respectively stored into three temporary storage boxes 524 through three discharge ports 5211, then the improved covering materials and the added covering materials with different sizes are respectively poured into the mixer 53 to be mixed according to the use requirements, and then the mixed improved covering materials and added covering materials are stored into the storage box 54, thereby realize the further reasonable classification to the gardens discarded object, effectively improve resource utilization.

The implementation principle of a gardens waste processing system of the embodiment of this application does: when the wastes are treated, the wastes in gardens are collected into the collecting box 1, the wastes collected in the collecting box 1 are placed on the upper conveying belt 222 to be conveyed, then the wastes are sorted through the sorting device 2 to be divided into high-component classification and low-component classification, barks in the high-component classification and branches in the low-component classification with the diameter smaller than 20mm are separately selected, the improved-class covers and the added-class covers are respectively manufactured through the fermentation component 51, the improved-class covers and the added-class covers are respectively screened according to the size through the screening component 52, and finally the improved-class covers and the added-class covers are mixed in the mixing machine 53 and then stored into the storage box 54 when the waste is used, so that the reasonable classification and classification treatment processes of the garden wastes are realized, and the utilization rate of resources is effectively improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A garden waste treatment method is characterized by comprising the following steps:

s1 collection: collecting the wastes in the garden;

s2 sorting: dividing the collected waste into a high-component classification and a low-component classification according to the content of organic matter components, wherein the high-component classification comprises barks, leaves and grass clippings, the low-component classification comprises branches and trunks, the barks in the high-component classification are selected separately, and the branches with the branch diameter smaller than 20mm are selected separately;

s3 low fraction classification treatment: scraping off barks on the branches and the trunks, classifying the scraped barks into high-component classes, and conveying the branches and the trunks, from which the barks are scraped, to a wood processing factory; sequentially crushing, dyeing, fermenting and drying branches with the diameter of less than 20mm to form an additive covering, and classifying and screening the additive covering according to the size;

s4 high-component classification treatment: crushing, dyeing, fermenting and drying barks in high-component waste in sequence to form an improved covering, grading and screening the improved covering according to the size, and composting leaves and grass scraps in the high-component waste;

s5 mixing: mixing the improved covering and the added covering according to the weight ratio of (0.8-1.2) to 1 and storing;

the automatic sorting machine is characterized by further comprising a processing system, the processing system comprises a collecting box (1), a sorting device (2) and a processing device (5), the collecting box (1), the sorting device (2) and the processing device (5) are sequentially arranged, the sorting device (2) comprises a rack (21), an upper conveying assembly (22) and a lower conveying assembly (23), the upper conveying assembly (22) comprises two upper conveying rollers (221) rotatably arranged on the rack (21), an upper conveying belt (222) arranged between the two upper conveying rollers (221), an upper driving piece fixedly arranged on the rack (21) and used for driving the upper conveying rollers (221), a plurality of sorting holes (2221) are uniformly formed in the upper conveying belt (222), a peeling machine (3) is arranged at the outlet end of the upper conveying belt (222), and a discharge box (31) and a sorting box (32) are arranged at the outlet end of the peeling machine (3); the lower conveying assembly (23) comprises two lower conveying rollers (231) rotatably arranged on the rack (21), a lower conveying belt (232) arranged between the two lower conveying rollers (231), and a lower driving piece fixedly arranged below the rack (21) and used for driving the lower conveying rollers (231), the lower conveying belt (232) is positioned below the upper conveying belt (222), the outlet end of the lower conveying belt (232) is provided with a sorting table (4), and one side of the sorting table (4) is provided with a first collecting box (41) and a second collecting box (42);

a third collecting box (321) and a fourth collecting box (322) are arranged on one side of the sorting box (32), the processing device (5) comprises two groups of fermentation assemblies (51) which are respectively arranged on one sides of the second collecting box (42) and the third collecting box (321), and each fermentation assembly (51) comprises a pulverizer (511), a dyeing machine (512), a fermentation box (513) and a drying box (514) which are sequentially arranged;

the treatment device (5) also comprises a mixer (53) and a storage tank (54) which are arranged between the drying boxes (514) of the two groups of fermentation assemblies (51);

the processing device (5) further comprises a screening component (52) arranged on one side of the drying box (514), the screening component (52) comprises a screening box (521), a first screening plate (522), a second screening plate (523) and a temporary storage box (524), the first screening plate (522) and the second screening plate (523) are obliquely arranged in the screening box (521), the first screening plate (522) is positioned above the second screening plate (523), the diameter of the sieve pore on the first sieve plate (522) is larger than that of the sieve pore on the second sieve plate (523), three discharge ports (5211) are sequentially arranged on one side, close to the bottom end of the first sieve plate (522), in the screening box (521) from top to bottom, the three discharge ports (5211) are respectively positioned above the first sieve plate (522), between the first sieve plate (522) and the second sieve plate (523) and below the third sieve plate, and temporary storage boxes (524) are respectively arranged at the three discharge ports (5211);

the screening subassembly (52) are still including setting up two stirring portion (525) respectively between first sieve (522) top and first sieve (522) and second sieve (523), and stirring portion (525) include with sieve case (521) rotate the puddler (5251) of being connected, fixed a plurality of stirring vane (5252) of setting on puddler (5251) and fixed setting on sieve case (521) and with puddler (5251) fixed connection's agitator motor (5253).