CN112845499B

CN112845499B - Categorised formula gardens discarded object source decrement equipment

Info

Publication number: CN112845499B
Application number: CN202011521932.2A
Authority: CN
Inventors: 林伟; 李昱佳; 戚智勇; 周晚来; 张冬冬; 陈雪娇; 王虹
Original assignee: Chengdu Agricultural Science And Technology Center; Institute of Urban Agriculture of Chinese Academy of Agricultural Sciences
Current assignee: Chengdu Agricultural Science And Technology Center; Institute of Urban Agriculture of Chinese Academy of Agricultural Sciences
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2022-06-07
Anticipated expiration: 2040-12-21
Also published as: CN112845499A

Abstract

The invention discloses a classified garden waste source reduction device which comprises a box body, wherein a large material feeding hole and a small material feeding hole are formed in the upper part of the box body; the lower part of box is equipped with and is used for accepting elementary crushing storehouse and the discharged material in small powder screening storehouse to carry out kibbling secondary once more to the material and smash the storehouse, still be equipped with in the box and be used for carrying out the steam generation storehouse of drying to the material in the box. Through the big material feed inlet and the small material feed inlet, carry out corresponding classification to the gardens discarded object of equidimension not to at first carry out primary crushing to the big material, screen the small material. The mode of combining the drying treatment by superheated steam and two-stage crushing is favorable for thoroughly crushing the waste, so that the reduction is more thorough.

Description

Categorised formula gardens discarded object source decrement equipment

Technical Field

The invention relates to the technical field of garden waste treatment, in particular to a classified garden waste source reduction device.

Background

The trunks and branches in the garden generate large waste in the pruning process and need to be collected and processed in time.

The existing recovery processing device has the problem of difficult collection and classification due to large output of garden waste when the waste is collected and processed. When the trunk and the branches are directly crushed, the trunk and the branches can be dried only in a certain time due to the high water content, and the generated waste branches are large, so that the problem of incomplete crushing exists. In addition, the fallen leaves of gardens are often mixed with stones or other hard objects during collection, the sorting is troublesome, and the instruments are easily damaged by direct crushing.

Therefore, how to solve the problems of difficult impurity separation and incomplete material crushing is a problem to be solved urgently by those skilled in the art.

Disclosure of Invention

In view of the above, the present invention provides a classified garden waste source reduction device, which solves the problems of difficulty in separating impurities and incomplete material crushing.

In order to achieve the above purpose, the invention provides the following technical scheme:

a classified garden waste source reduction device comprises a box body, wherein a large material feeding hole and a small material feeding hole are formed in the upper portion of the box body, a primary crushing bin for filtering and crushing large materials is arranged below the large material feeding hole of the box body, and a small material screening bin for filtering impurities in small materials is arranged below the small material feeding hole of the box body; the lower part of the box body is provided with a secondary crushing bin which is used for receiving the materials discharged by the primary crushing bin and the small material screening bin and crushing the materials again, and the box body is also internally provided with a steam generation bin which is used for drying the materials in the box body.

Preferably, the primary crushing bin comprises a filter plate and a crushing device, wherein the filter plate is obliquely arranged below the large material feeding port, the crushing device is arranged on the lower side of the filter plate, the filter plate comprises arc-shaped filtering arc plates which are transversely arranged at intervals, the filtering arc plates are provided with filtering holes, and the materials crushed by the crushing device flow into the secondary crushing bin along the filter plate.

Preferably, the crushing device comprises crushing rollers which are perpendicular to the filtering plates and transversely arranged, sloping plates used for concentrating large materials to the crushing rollers are arranged on two sides of each crushing roller, a first motor used for controlling and driving the crushing rollers to rotate is arranged at the top of each crushing roller, and the first motor is arranged in a first motor box so as to isolate the first motor from the inner space of the primary crushing bin.

Preferably, a collecting plate for collecting impurities falling from the filtering holes is arranged below the filtering arc plate, and a first impurity outlet is formed in the position, corresponding to the collecting plate, of the box body.

Preferably, the small material screening bin comprises a filter cylinder which is connected to the bottom of a small material feeding hole and is provided with a screen hole, a conical ring plate is arranged at the bottom of the filter cylinder, a rotating ring with a driven gear ring on the side surface is sleeved at the lower end of the conical ring plate, the driven gear ring is meshed with a driving gear, and the driving gear is connected with a second motor; the baffle plate is obliquely arranged on the upper end face of the rotating ring, and when the rotating ring rotates, impurities on the rotating ring are swept into the second impurity outlet by the baffle plate.

Preferably, a fixed cylinder with the same inner diameter as the filter cylinder is arranged below the filter cylinder, and an air blowing pipe which inclines upwards is arranged on the side of the fixed cylinder in a penetrating manner.

Preferably, the large material feeding hole is long, and the small material feeding hole is a square opening or a conical opening.

Preferably, the secondary crushing storehouse includes the arbor, locates epaxial crushing blade of arbor and be used for the drive the rotatory third motor of arbor, primary crushing storehouse with the material export in small powder screening storehouse is all located crushing blade's top, the below of smashing the blade is equipped with the powder export that is used for accepting the powder and is the back taper, the below of powder export is equipped with a plurality of bottom sieves, and is a plurality of the bottom sieve has contained angle and hole staggered arrangement on it, the below of bottom sieve is equipped with the collection box that is used for collecting the powder, the lateral part of box is equipped with and is used for pulling out or putting into the collection box of collection box imports and exports.

Preferably, a steam generator for generating superheated steam is arranged in the steam generation bin, the steam generation bin and the secondary crushing bin are separated by a middle partition plate, a steam inlet is formed in the middle partition plate, so that the superheated steam generated by the steam generator is diffused to the secondary crushing bin from the steam inlet, and a steam generator inlet and outlet for the steam generator to be put in or taken out is formed in the outer side of the steam generation bin.

Preferably, the steam inlet is obliquely and downwards arranged, a steam baffle for blocking splashed powder is arranged on the outer side of the steam inlet, an air outlet hole is formed in the steam baffle, and a backflow gap for enabling the powder to flow back to the secondary crushing bin is formed between the bottom of the steam baffle and the steam inlet.

According to the classified garden waste source reduction equipment provided by the invention, garden wastes with different sizes are classified in a targeted manner through the large material feeding hole and the small material feeding hole, the large materials are firstly subjected to primary crushing, and the small materials are screened. Aiming at the problem of large moisture content of garden waste during pruning or natural falling, superheated steam is adopted for drying treatment, so that thorough crushing of the waste is facilitated, and the reduction is more thorough. Adopt two segmentations to big gardens discarded object to smash, the screening of multistage with smash can effectual screening sand stone and moisture, reduce dry time, improve screening and dry efficiency, the multistage is smashed and is reduced the wearing and tearing of smashing the blade, be favorable to the long-time operation of equipment.

The powder product after being crushed and dried by the invention can be directly returned to the field and forest, and can also be used as a covering material for urban gardens. In addition, the fertilizer can be recycled in a large amount, and can be used as a raw material of a culture medium and a raw material of compost decomposition fermentation, so that the fermentation time can be shortened more thoroughly due to crushing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of an internal structure of an embodiment of the apparatus for reducing garden waste according to the present invention;

FIG. 2 is a schematic perspective view of an embodiment of the apparatus for reducing garden waste according to the present invention;

FIG. 3 is a schematic view of another angle of FIG. 2;

FIG. 4 is a schematic perspective view of an internal structure of an exemplary embodiment of the apparatus for reducing garden waste from a source according to the present invention;

FIG. 5 is a schematic view of another angle of FIG. 4;

FIG. 6 is a schematic view of another angle of FIG. 5;

FIG. 7 is a schematic side view of the internal structure of an embodiment of the apparatus for reducing garden waste from a source according to the present invention;

FIG. 8 is a schematic front view of the internal structure of an embodiment of the apparatus for reducing garden waste according to the present invention;

fig. 9 is a schematic front view of an embodiment of the sorted garden waste source reduction apparatus provided by the present invention.

Wherein, 1-primary crushing bin, 2-small material screening bin, 3-steam generating bin, 4-secondary crushing bin, 5-recovery chamber, 6-intermediate plate, 7-intermediate partition plate and 8-box body;

11-a large material feeding port, 12-a filter plate, 121-a filter arc plate, 122-a filter hole, 13-a crushing roller, 14-an inclined plate, 15-a first motor, 16-a first motor box, 17-a collecting plate, 18-a first impurity outlet and 19-a material outlet;

21-small material feeding hole, 22-filter cylinder, 221-sieve hole, 223-fixed cylinder, 224-side hole, 225-blowing pipe, 23-conical ring plate, 24-annular hole, 25-rotating ring, 251-driven gear ring, 26-driving gear, 27-second motor, 271-second motor box, 28-screening bin annular cavity, 281-second impurity outlet, 282-baffle plate and 29-slag discharging pipe;

31-steam generator, 32-steam generator inlet and outlet;

41-crushing blade, 42-cutter shaft, 43-powder outlet, 44-steam inlet, 45-steam baffle, 451-air outlet hole, 46-bottom sieve plate, 47-third motor and 48-fixing frame;

51-recycling box, 52-recycling box inlet and outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The core of the invention is to provide a classified garden waste source reduction device, which solves the problems of difficult sundry separation and incomplete material crushing.

Referring to fig. 1 to 9, fig. 1 is a schematic diagram illustrating an internal structure of an embodiment of a classified garden waste source reduction apparatus according to the present invention; FIG. 2 is a schematic perspective view of an embodiment of the apparatus for reducing garden waste according to the present invention; FIG. 3 is a schematic view of another angle of FIG. 2; FIG. 4 is a schematic perspective view of an internal structure of an exemplary embodiment of the apparatus for reducing garden waste from a source according to the present invention; FIG. 5 is a schematic view of another angle of FIG. 4; FIG. 6 is a schematic view of another angle of FIG. 5; FIG. 7 is a schematic side view of the internal structure of an embodiment of the apparatus for reducing garden waste from a source according to the present invention; FIG. 8 is a schematic front view of the internal structure of an exemplary embodiment of the garden waste source reduction apparatus of the present invention; fig. 9 is a schematic front view illustrating an exemplary embodiment of a garden waste source reduction apparatus according to the present invention.

The classified garden waste source reduction equipment provided by the invention comprises a box body 8, wherein the upper part of the box body 8 is provided with a large material feeding hole 11 and a small material feeding hole 21, a primary crushing bin 1 for filtering and crushing large materials is arranged below the large material feeding hole 11 of the box body 8, and a small material screening bin 2 for filtering impurities in small materials is arranged below the small material feeding hole 21 of the box body 8; the lower part of box 8 is equipped with and is used for accepting the material that elementary crushing storehouse 1 and small powder sieve selection storehouse 2 discharge to carry out kibbling secondary crushing storehouse 4 once more to the material, still is equipped with in the box 8 and is used for carrying out dry steam generation storehouse 3 to the material in the box 8.

Wherein, the box 8 is the shell of whole equipment, and box 8 can be cuboid box 8, and the upper portion of box 8 is equipped with big material feed inlet 11 and small powder feed inlet 21, and big material feed inlet 11 can set up long banding to make big material can put into elementary crushing storehouse 1 more easily. The small material feed inlet 21 is used for the entering such as leaf or little branch, and leaf or small-size discarded object fall into the inside of cartridge filter 22 from small material feed inlet 21 always to can carry out corresponding classification to the gardens discarded object of equidimension not, big material gets into elementary crushing storehouse 1 earlier and carries out elementary crushing promptly, and the small material directly gets into small material screening storehouse 2, screens the filtration with stone or other hard article in the small material, solves the difficult problem of debris separation.

Get into the big material in the primary storehouse 1 of smashing, smash the storehouse 4 and smash once more entering the secondary after the primary storehouse 1 filters crushing to guarantee to the thorough crushing of big material such as branch, steam generation storehouse 3 can last the drying to the material that gets into in the box 8 simultaneously, further guarantees kibbling thoroughness.

According to the classified garden waste source reduction equipment provided by the invention, the upper part of the box body 8 is provided with the large material feed port 11 and the small material feed port 21, large materials such as branches and the like can be easily placed into the primary crushing bin 1, the small material feed port 21 is used for allowing leaves or small branches and the like to enter, and the small materials can fall into the small material screening bin 2 after entering from the feed ports because the leaves or the small waste and the like possibly contain hard impurities such as sand and the like, so that stones or other hard objects in the small materials are screened and filtered, and the problem of difficulty in separating the impurities is solved. Big material gets into elementary crushing storehouse 1 earlier promptly and carries out elementary crushing, and the smallclothes directly gets into smallclothes screening storehouse 2 and filters to carry out targeted classification to the gardens discarded object of equidimension not, solve the problem of categorised difficulty. Get into the aniseed of primary crushing storehouse 1, after primary crushing storehouse 1 filters crushing, smash storehouse 4 once more entering the secondary, steam generation storehouse 3 can last the drying to the material that gets into in the box 8 simultaneously to guarantee the thorough crushing to aniseed such as branches.

On the basis of the above-mentioned embodiment, as an optimization, primary crushing storehouse 1 is including locating filter 12 that the big material feed inlet 11 below and the slope set up, locating the reducing mechanism of the lower one side of filter 12, and filter 12 is equipped with filtration hole 122 including horizontal interval arrangement and being curved filtration arc board 121 on the filtration arc board 121, and the material after the reducing mechanism is smashed flows into secondary crushing storehouse 4 along filter 12.

Specifically, the primary crushing bin 1 is arranged at the upper left part of the box body 8, the primary crushing bin 1 comprises a filter plate 12 which is obliquely arranged below the large material feeding hole 11 and used for filtering water and filter residues, an arc-shaped filtering arc plate 121 is arranged on the filter plate 12, and a filtering hole 122 used for filtering the water and filter residues is formed in the filtering arc plate 121. The filter 12 is set to be inclined to make the coarse fodder flow along filtering in the primary crushing bin 1, and the filtering arc plate 121 is set to be arc-shaped, so that firstly, a certain amount of water and sand can be stored, and secondly, the number and the filtering area of the filtering holes 122 on the filtering arc plate 121 can also be increased.

Wherein, other trilateral all with the inner wall connection of box 8 except that lower one side in filter 12 to form elementary storehouse 1 that smashes between aniseed feed inlet 11 and filter 12, it has the material export 19 that makes the material flow out elementary storehouse 1 to smash to elementary storehouse 1 that smashes with lower one side of filter 12.

On the basis of the above embodiment, as a preferable mode, the pulverizing device includes the pulverizing rollers 13 which are perpendicular to the filter plates 12 and arranged transversely, the both sides of the pulverizing rollers 13 are provided with the inclined plates 14 for concentrating the large materials to the pulverizing rollers 13, the top of the pulverizing rollers 13 is provided with the first motor 15 for controlling and driving the pulverizing rollers 13 to rotate, and the first motor 15 is arranged in the first motor box 16 so as to isolate the first motor 15 from the inner space of the primary pulverizing bin 1.

Wherein, the grinding roller 13 is set to the slope form, and preferably, grinding roller 13 sets up to the structure that becomes the right angle each other with filter 12, and grinding roller 13 can set up a plurality ofly to guarantee to the kibbling effect of aniseed.

On the basis of the above-mentioned embodiment, it is preferable that the collecting plate 17 for collecting the foreign substances dropped from the filtering holes 122 is provided below the filtering arc plate 121, and the tank 8 is provided with the first foreign substance outlet 18 at the position corresponding to the collecting plate 17.

Wherein the collecting plate 17 is used for conveying water and sand, and the side of the box body 8 is provided with a first impurity outlet 18 between the filtering plate 12 and the collecting plate 17, so that the impurities falling from the filtering holes 122 flow into the box body 8 from the first impurity outlet 18.

On the basis of the above embodiment, as a preferable choice, the small material screening bin 2 includes a filter cylinder 22 connected to the bottom of the small material feeding port 21 and having a screen hole 221, a conical ring plate 23 is arranged at the bottom of the filter cylinder 22, a rotating ring 25 having a driven gear ring 251 on the side is sleeved at the lower end of the conical ring plate 23, the driven gear ring 251 is meshed with the driving gear 26, and the driving gear 26 is connected with the second motor 27; and a second foreign substance outlet 281 formed at an upper end surface of the rotating ring 25 and a baffle 282 connected to the second foreign substance outlet 281, wherein the baffle 282 is obliquely disposed at the upper end surface of the rotating ring 25, and when the rotating ring 25 rotates, the foreign substances on the rotating ring 25 are swept into the second foreign substance outlet 281 by the baffle 282.

The small material screening bin 2 is arranged at the upper right part of the box body 8, the small material screening bin 2 and the primary crushing bin 1 are separated through the middle plate 6, the filter plate 12 and the inner wall of the box body 8 form the primary crushing bin 1, and a material outlet 19 is arranged between the middle plate 6 and the filter plate 12, so that materials after being crushed by the crushing device flow out of the primary filtering bin and flow into the secondary filtering bin through the material outlet 19.

The small material screening bin 2 is connected with the filter cylinder 22 at the bottom of the small material feeding hole 21, the conical ring plate 23 is arranged at the bottom of the filter cylinder 22, an annular hole 24 is formed in a bottom plate of the small material screening bin 2, a rotating ring 25 is nested in the annular hole 24, the rotating ring 25 is sleeved at the lower end of the conical ring plate 23, so that the rotating ring 25 is fixedly connected with the filter cylinder 22 through the conical ring plate 23, a driven gear ring 251 is arranged on the outer annular surface of the rotating ring 25, a driving gear 26 is arranged at one corner of the screening bin bottom plate, the driving gear 26 is meshed with the driven gear ring 251, the driving gear 26 is connected with a second motor 27, so that the driving gear 26 is driven to rotate through the second motor 27, and then the filter cylinder 22 is driven to rotate, and therefore impurities such as stones in the small materials flow out of the filter cylinder 22 from the sieve holes 221 of the filter cylinder 22 in a centrifugal screening mode.

The right above the corresponding annular hole 24 of the small material screening bin 2 is: the inner wall of the small material screening bin 2 forms a screening bin annular cavity 28 with the filter cylinder 22, the conical ring plate 23 and the rotating ring 25, so that impurities flow out of the screening bin annular cavity 28 from the screen holes 221 of the filter cylinder 22, and finally fall onto the upper end face of the rotating ring 25 along the conical ring plate 23.

A second impurity outlet 281 at the upper end face of the rotating ring 25 and a baffle 282 connected with the second impurity outlet 281, that is, the second impurity outlet 281 is arranged at the bottom side face of the annular chamber 28 of the screening chamber, and the baffle 282 is arranged at the second impurity outlet 281, so that when the rotating ring 25 rotates, the baffle 282 can sweep the impurities entering the annular chamber 28 of the screening chamber into the second impurity outlet 281. Specifically, a slag discharge pipe 29 communicating with the second impurity outlet 281 may be provided at an outer side of the tank 8.

The rotating ring 25 can be divided into an upper layer, a middle layer and a lower layer, the upper layer and the lower layer are respectively matched with the size of the annular hole 24, the middle layer is provided with a driven gear ring 251, and specifically, the second motor 27 can be arranged in a second motor box 271, so that the driven gear ring 251 can be separated from the inner space of the small material screening bin 2, and the normal rotation of the small material screening bin can be ensured.

In addition to the above-described embodiments, it is preferable that a fixed cylinder 223 having the same inner diameter as that of the filter cartridge 22 is provided below the filter cartridge 22, and an air blowing pipe 225 is inserted into a side portion of the fixed cylinder 223 so as to be inclined upward.

The fixed cylinder 223 receives the material falling from the filter cartridge 22, a side hole 224 is formed in a side surface of the fixed cylinder 223, a blowing pipe 225 is inserted into the side hole 224, the blowing pipe 225 maintains an obliquely upward blowing direction, and the blowing pipe 225 extends from the outside of the box body 8 to the inside of the box body 8.

The leaves or small waste falls into the interior of the filter cylinder 22 from the small material inlet 21, and under the blowing of the blowing pipe 225 and the rotation of the filter cylinder 22, the small sand stones or other small impurities therein are blown into the sieve holes 221 of the filter cylinder 22 and fall onto the upper end surface of the rotary ring 25 at the bottom of the annular chamber 28 of the sieving bin, and are carried to the second impurity outlet 281 when the rotary ring 25 rotates, and are blocked by the baffle 282 at the second impurity outlet 281 and pushed into the second impurity outlet 281 to be discharged.

In addition to the above embodiments, it is preferable that the large material inlet 11 is an elongated shape, and the small material inlet 21 is a square opening or a tapered opening.

On the basis of the above embodiment, as a preferable option, the secondary crushing bin 4 includes a knife shaft 42, crushing blades 41 disposed on the knife shaft 42, and a third motor 47 for driving the knife shaft 42 to rotate, the material outlets 19 of the primary crushing bin 1 and the small material screening bin 2 are both disposed above the crushing blades 41, a powder outlet 43 which is used for receiving powder and is in an inverted cone shape is disposed below the crushing blades 41, a plurality of bottom screen plates 46 are disposed below the powder outlet 43, the bottom screen plates 46 have included angles and holes thereon are arranged in a staggered manner, a recycling box 51 for collecting powder is disposed below the bottom screen plates 46, and a recycling box inlet/outlet 52 for pulling out or putting in the recycling box 51 is disposed at a side portion of the box body 8.

In addition to the above embodiments, it is preferable that the steam generating chamber 3 is provided with a steam generator 31 for generating superheated steam, the steam generating chamber 3 and the secondary grinding chamber 4 are separated by an intermediate partition 7, the intermediate partition 7 is provided with a steam inlet 44 so that the superheated steam generated by the steam generator 31 is diffused from the steam inlet 44 to the secondary grinding chamber 4, and the steam generating chamber 3 is provided with a steam generator inlet/outlet 32 at an outer side thereof for allowing the steam generator 31 to be put in or taken out.

In addition to the above-described embodiments, it is preferable that the steam inlet 44 is disposed below the inclined line, a steam baffle 45 for blocking the splashed powder is disposed outside the steam inlet 44, the steam baffle 45 is provided with an air outlet hole 451, and a backflow gap for allowing the powder to flow back into the secondary grinding bin 4 is disposed between the bottom of the steam baffle 45 and the steam inlet 44.

Specifically, the secondary crushing bin 4 is arranged at the lower right part of the box body 8, specifically, the secondary crushing bin 4 is arranged right below the small material screening bin 2, and the left upper side of the top of the secondary crushing bin 4 is communicated with a material outlet 19 of the primary crushing bin 1 so as to receive large material powder after large materials falling from the primary crushing bin 1 are crushed; the center department is for cartridge filter 22 and fixed cylinder 223 directly over the top in storehouse 4 is smashed to the secondary, and the interior storehouse 4 is smashed to the secondary is directly fallen to the small powder that cartridge filter 22 was just sieved.

The upper half part in the secondary crushing bin 4 is provided with a crushing blade 41, the center of the crushing blade 41 is provided with a cutter shaft 42, the joint of the upper half part and the lower half part of the secondary crushing bin 4 is provided with a powder outlet 43, the powder outlet 43 is arranged in an inverted cone shape, the secondary crushing bin 4 is separated from the steam generation bin 3 through a middle partition plate 7, the upper half part of the middle partition plate 7 is provided with a steam inlet 44, the outermost side of the steam inlet 44 is provided with a steam baffle plate 45, the steam baffle plate 45 is provided with an air outlet hole 451, the steam baffle plate 45 is used for blocking splashed powder, and a small gap is reserved between the bottom of the steam baffle plate 45 and the steam inlet 44, so that the powder entering the steam inlet 44 flows out from the gap between the steam baffle plate 45 and the steam inlet 44.

The lower half of the secondary crushing bin 4 comprises a plurality of bottom sieve plates 46, a third motor 47 and a fixing frame 48 for fixing the third motor 47, a recovery chamber 5 is arranged right below the secondary crushing bin 4, a recovery box 51 is arranged in the recovery chamber 5, and a recovery box inlet and outlet 52 is arranged on the side surface of the recovery chamber 5. The bottom sieve plate 46 is arranged in a manner that a plurality of holes are arranged in a staggered manner, wherein a certain included angle is formed between the holes, so that the powder is screened, the space for contacting the powder with air is increased, multi-layer drying is formed, and the drying efficiency is optimized.

The sides of the bottom screen 46 are also provided with steam inlets 44 for further drying of the powder. The steam inlets 44 are preferably arranged in an inclined shape, and the steam inlets 44 in the upper half part of the secondary crushing bin 4 preferably extend for a certain length, so that the inclined openings with longer lengths are beneficial to blocking the splashed powder because the crushing blades 41 are easy to eject the splashed powder into the steam inlets 44 during crushing.

Steam generation storehouse 3 sets up in the lower left part of box 8, is provided with steam generator 31 in the steam generation storehouse 3, and the steam that steam generator 31 produced diffuses the secondary from steam inlet 44 and smashes storehouse 4, and then diffuses in other storehouses, and steam generation storehouse 3's side is provided with steam generator and imports and exports 32. In particular, the intermediate partition is also provided with a steam inlet 44 at the bottom sieve plate to improve the drying effect on the powder.

The classified garden waste source reduction equipment provided by the invention carries out targeted classification treatment on garden wastes with different sizes through the large material feed port 11 and the small material feed port 21, and carries out primary crushing on the large materials and screening on the small materials. Aiming at the problem of large moisture content of garden waste during pruning or natural falling, superheated steam is adopted for drying treatment, so that thorough crushing of the waste is facilitated, and the reduction is more thorough. Adopt two segmentations to smash big gardens discarded object, the screening of multistage can effectual screening sand and stone and moisture with smashing, reduces dry time, improves screening and dry efficiency, and the multistage is smashed and has been reduced the wearing and tearing of smashing blade 41, is favorable to the long-time operation of equipment.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The classified garden waste source reduction equipment provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The classified garden waste source reduction equipment is characterized by comprising a box body (8), wherein a large material feeding hole (11) and a small material feeding hole (21) are formed in the upper portion of the box body (8), a primary crushing bin (1) for filtering and crushing large materials is arranged below the large material feeding hole (11) of the box body (8), a small material screening bin (2) for filtering impurities in small materials is arranged below the small material feeding hole (21) of the box body (8), the small material screening bin (2) comprises a filter cylinder (22) which is connected to the bottom of the small material feeding hole (21) and is provided with a sieve hole (221), a conical ring plate (23) is arranged at the bottom of the filter cylinder (22), a rotating ring (25) with a driven gear ring (251) on the side face is sleeved at the lower end of the conical ring plate (23), and the driven gear ring (251) is meshed with a driving gear (26), the driving gear (26) is connected with a second motor (27); the impurity removing device further comprises a second impurity outlet (281) arranged at the upper end face of the rotating ring (25) and a baffle plate (282) connected with the second impurity outlet (281), the baffle plate (282) is obliquely arranged at the upper end face of the rotating ring (25), and when the rotating ring (25) rotates, impurities on the rotating ring (25) are swept into the second impurity outlet (281) by the baffle plate (282); a fixed cylinder (223) with the same inner diameter as that of the filter cylinder (22) is arranged below the filter cylinder (22), and an air blowing pipe (225) which inclines upwards is arranged on the side part of the fixed cylinder (223) in a penetrating mode; the lower part of box (8) is equipped with and is used for accepting primary crushing storehouse (1) with the discharged material in small powder screening storehouse (2) is right secondary crushing storehouse (4) that the material goes on smashing again, still be equipped with in box (8) and be used for to the material in box (8) carries out dry steam generation storehouse (3).

2. The source reduction equipment for classified garden waste according to claim 1, wherein the primary crushing bin (1) comprises a filter plate (12) disposed below the large material inlet (11) and inclined, and a crushing device disposed at a lower side of the filter plate (12), the filter plate (12) comprises a filtering arc plate (121) arranged at a transverse interval and in an arc shape, the filtering arc plate (121) is provided with filtering holes (122), and the material crushed by the crushing device flows into the secondary crushing bin (4) along the filter plate (12).

3. The source reduction equipment for classified garden waste according to claim 2, wherein the crushing device comprises crushing rollers (13) which are perpendicular to the filter plates (12) and are arranged transversely, sloping plates (14) for concentrating large materials to the crushing rollers (13) are arranged on two sides of the crushing rollers (13), a first motor (15) for controlling and driving the crushing rollers (13) to rotate is arranged on the top of the crushing rollers (13), and the first motor (15) is arranged in a first motor box (16) so as to isolate the first motor (15) from the inner space of the primary crushing bin (1).

4. The sorted type garden waste source reduction equipment according to claim 3, wherein a collection plate (17) for collecting the impurities falling from the filtering holes (122) is arranged below the filtering arc plate (121), and the box body (8) is provided with a first impurity outlet (18) at a position corresponding to the collection plate (17).

5. The sorted garden waste source reduction equipment according to claim 4, wherein the large material inlet (11) is long, and the small material inlet (21) is a square opening or a conical opening.

6. The source reduction equipment for classified garden waste according to any one of claims 1 to 5, wherein the secondary crushing bin (4) comprises a cutter shaft (42), crushing blades (41) arranged on the cutter shaft (42), and a third motor (47) for driving the cutter shaft (42) to rotate, the material outlets (19) of the primary crushing bin (1) and the small material screening bin (2) are both arranged above the crushing blades (41), a powder outlet (43) which is used for receiving powder and is in an inverted cone shape is arranged below the crushing blades (41), a plurality of bottom screen plates (46) are arranged below the powder outlet (43), included angles are formed among the bottom screen plates (46), holes on the bottom screen plates are arranged in a staggered manner, and a recovery box (51) for collecting powder is arranged below the bottom screen plates (46), and a recycling box inlet and outlet (52) for pulling out or putting in the recycling box (51) is arranged on the side part of the box body (8).

7. The classified garden waste source reduction equipment according to claim 6, wherein a steam generator (31) for generating superheated steam is arranged in the steam generation bin (3), the steam generation bin (3) and the secondary crushing bin (4) are separated by an intermediate partition plate (7), a steam inlet (44) is formed in the intermediate partition plate (7) so that the superheated steam generated by the steam generator (31) can be diffused from the steam inlet (44) to the secondary crushing bin (4), and a steam generator inlet/outlet (32) for allowing the steam generator (31) to be put in or taken out is formed in the outer side of the steam generation bin (3).

8. The source reduction equipment for classified garden waste according to claim 7, wherein the steam inlet (44) is arranged obliquely downwards, a steam baffle (45) for blocking splashed powder is arranged on the outer side of the steam inlet (44), the steam baffle (45) is provided with an air outlet hole (451), and a backflow gap for backflow of the powder into the secondary crushing bin (4) is arranged between the bottom of the steam baffle (45) and the steam inlet (44).