CN113414093A - Double-layer garbage screening machine - Google Patents

Double-layer garbage screening machine Download PDF

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Publication number
CN113414093A
CN113414093A CN202110704258.XA CN202110704258A CN113414093A CN 113414093 A CN113414093 A CN 113414093A CN 202110704258 A CN202110704258 A CN 202110704258A CN 113414093 A CN113414093 A CN 113414093A
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China
Prior art keywords
layer
double
screening machine
roller
household garbage
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Granted
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CN202110704258.XA
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Chinese (zh)
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CN113414093B (en
Inventor
张秋艳
朱能武
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South China University of Technology SCUT
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South China University of Technology SCUT
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Priority to CN202110704258.XA priority Critical patent/CN113414093B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18Drum screens
    • B07B1/22Revolving drums
    • B07B1/24Revolving drums with fixed or moving interior agitators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00Details applicable to machines for screening using sieves or gratings
    • B07B2201/04Multiple deck screening devices comprising one or more superimposed screens

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Abstract

The invention relates to the technical field of environmental protection equipment, in particular to a double-layer household garbage screening machine which comprises an upper layer drum screen, a lower layer drum screen, a material receiving and conveying device, a transmission device and a deformation device, wherein the upper layer drum screen is provided with a first feeding hole and a material receiving hole; deformation device includes workbin and three commentaries on classics roller, and three commentaries on classics roller is the triangle of falling and arranges, and the commentaries on classics roller that is located the lower floor sets up 7 ~ 12cm with the interval that is located the commentaries on classics roller on upper strata. The invention realizes the quick and fine separation of the kitchen waste, paper packages, plastic packages and other waste in the household waste in public areas such as stores, office buildings and the like, has high separation efficiency and separation precision, and has compact design and small floor area.

Description

Double-layer garbage screening machine
Technical Field
The invention relates to the technical field of environment-friendly equipment, in particular to a double-layer garbage sieving machine.
Background
With the acceleration of the pace of life and work, the consumption of fast food, take-out and the like is rapidly increased, the use amount of various packing materials such as plastics, paper and the like is increased, and the amount of domestic garbage is also rapidly increased, wherein the main components of the packing materials are garbage such as packing boxes, packing paper, disposable beverage paper cups, plastic cups, cup covers, straws, leftovers and the like. In particular, various disposable packages have recoverable value in store domestic garbage of restaurants such as Kendeji restaurants, McDonald and the like. In the case of kendir, the number of disposable paper cups used or consumed each year is expected to be up to 20 hundred million, however, the packages of plastics, paper and the like are polluted, and cannot directly enter the existing recyclable system for garbage classification for resource recycling, but basically enter an incineration power generation facility for treatment.
At present, most of domestic garbage treatment equipment utilizes different apertures to separate components with different sizes in mixed garbage, and the separated substances are still the mixed garbage, so that the efficient separation of specific components (such as paper and plastic packaging materials) in the garbage cannot be realized, and the resource utilization of recyclable components is realized. According to the principle that the waste disposal is higher in resource priority than energy, paper and plastic packaging materials with large proportion in the domestic garbage need to be efficiently recycled and recycled.
Therefore, there is an urgent need to develop a device for rapidly separating and recycling specific components in the domestic garbage, i.e. paper and plastic packaging materials, so as to improve the resource utilization of the domestic garbage.
Disclosure of Invention
The invention aims to provide a double-layer household garbage screening machine with small floor area and high sorting efficiency aiming at the defects of the prior art, and the double-layer household garbage screening machine can be used for rapidly screening recoverable resources such as kitchen, plastics and paper packaging materials in the household garbage, and improving the resource utilization rate of the household garbage.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a double-deck domestic waste screening machine, include upper casing, lower floor's casing, set up in upper trommel in the upper casing, set up in lower floor's trommel in the lower floor's casing, set up respectively in connect material conveyer, transmission and the deformation device of the below of upper trommel and lower floor's trommel, wherein: the kitchen waste collecting and conveying device is arranged on the upper layer, and the kitchen waste collecting and conveying device is arranged on the lower layer and is provided with a plastic packaging material outlet and a paper packaging material outlet;
the inner walls of the upper layer rotary screen and the lower layer rotary screen are respectively provided with a plurality of guide blades, the guide blades are distributed at equal intervals along the spiral direction, and the diameter of the screen hole of the front half section of the lower layer rotary screen is smaller than that of the screen hole of the rear half section;
deformation device includes the workbin and is fixed in three in the workbin changes the roller, the feed end of workbin with connect the material mouth intercommunication, the discharge end of workbin with the second feed inlet intercommunication, three change the roller and be the inverted triangle and arrange to the interval that is located one of inverted triangle lower floor and changes the roller and is located two of inverted triangle upper strata changes the roller all sets up to 7 ~ 12 cm.
In the technical scheme, the two rotating rollers on the upper layer are cylindrical rotating rollers, the rotating rollers on the lower layer are triangular cylindrical rotating rollers, and the two cylindrical rotating rollers rotate oppositely.
In the technical scheme, the diameter of the sieve pore of the upper layer rotary screen is 3-5 cm.
In the technical scheme, the diameter of the sieve hole of the front 1/2 section of the lower-layer drum sieve is 6-10 cm, and the diameter of the sieve hole of the rear 1/2 section of the lower-layer drum sieve is 11-15 cm.
In the above technical scheme, the transmission device includes a first motor, a first gear connected to the first motor, and ring gears respectively fixed to outer walls of the upper layer of drum screen and the lower layer of drum screen, and the first gear and the ring gears are engaged with each other.
In the above technical scheme, the deformation device further comprises a second motor, a second gear connected with the second motor, and pinions respectively mounted on the roll shafts of the three rotating rolls, and the second gear and the pinions are in transmission fit through a chain.
In the above technical solution, the deformation device further includes a variable speed sensor for detecting a rotational speed of the roller.
In the above technical scheme, the material receiving and conveying device comprises a material receiving plate, a screw rod and a conveying belt which are arranged in the material receiving plate, and a transmission mechanism.
In the technical scheme, the inner walls of the upper shell and the lower shell are both provided with cleaning devices, each cleaning device is a brush, the rod body of each brush is rotatably connected with the inner wall of the upper shell or the lower shell, the length of the rod body of each brush is consistent with the length of the layer of drum screen, and the hair length of each brush is 3mm greater than the distance between the outer wall of the layer of drum screen and the inner wall of the shell.
In the technical scheme, the inner walls of one ends of the upper shell and the lower shell are provided with clamping grooves, and one end of the brush rod body is pivoted with the clamping grooves.
The invention has the beneficial effects that:
the invention discloses a double-layer household garbage screening machine which comprises an upper layer drum screen, a lower layer drum screen, a material receiving and conveying device, a transmission device and a deformation device, wherein the material receiving and conveying device, the transmission device and the deformation device are respectively arranged below the upper layer drum screen and the lower layer drum screen, and the material receiving and conveying device comprises: the two ends of the upper layer rotary screen are respectively provided with a first feeding hole and a receiving hole, the two ends of the lower layer rotary screen are respectively provided with a second feeding hole and a large packing material discharging hole, the receiving and conveying device positioned on the upper layer is provided with a kitchen waste discharging hole, and the receiving and conveying device positioned on the lower layer is respectively provided with a plastic packing material discharging hole and a paper packing material discharging hole; the inner walls of the upper layer rotary screen and the lower layer rotary screen are respectively provided with a plurality of guide blades which are distributed at equal intervals along the spiral direction, and the diameter of the sieve pore of the front half section of the lower layer rotary screen is smaller than that of the sieve pore of the rear half section; deformation device includes the workbin and is fixed in the workbin three and changes the roller, the feed end of workbin with connect the material mouth intercommunication, the discharge end and the second feed inlet intercommunication of workbin, three commentaries on classics roller are the triangle of falling and arrange to the interval that is located a commentaries on classics roller of triangle lower floor and two commentaries on classics rollers that are located the triangle upper strata all sets up to 7 ~ 12 cm. The paper cup is compressed and deformed from a specific position through the size of the gap during rotation. By adopting the structure, after the household garbage is fed through the first feed inlet of the upper-layer drum screen, the household garbage is driven by the transmission device, the upper-layer drum screen rolls, the kitchen garbage is lifted and thrown under the drive of the guide blades which are spirally distributed, and finally the kitchen garbage with small size in the garbage is separated out under the action of the upper-layer drum screen and falls to the material receiving and conveying device, and then the kitchen garbage is conveyed to the discharge port of the kitchen garbage to be discharged, so that the first-time screening is completed, and the residual garbage sequentially enters the deformation device and the lower-layer drum screen through the material receiving port to be screened for the second time. The deformation device is designed according to the characteristics of plastic and paper packaging objects in the residual garbage, wherein two upper rotary rollers rotate oppositely to play a certain role in carding and feeding materials, the carded materials further generate extrusion action through the gap between the upper rotary roller and the lower rotary roller to deform the packaging objects in the residual garbage, so that the paper packaging objects such as paper cups and paper boxes with larger sizes in the residual garbage are compressed to deform, and the plastic packaging objects such as suction pipes and plastic cups are compressed to deform but quickly recover to the original shape, so that the paper and plastic packaging objects with the same specification can have size difference after the deformation device acts, and then enter the lower rotary screen from a second feed inlet to be separated, and the diameters of the sieve pores in the front half section and the rear half section of the lower rotary screen are different, the compressed paper packing materials are discharged through a paper packing material discharge port 56, the plastic packing materials which are compressed and restored to the original shape are discharged through a plastic packing material discharge port, and the rest large packing materials are discharged through a large packing material discharge port of the lower layer drum screen. Through the process, the invention realizes the rapid and fine separation of the kitchen waste, paper wrappage, plastic wrappage and other waste in the domestic waste in public areas such as stores, office buildings and the like, has high separation efficiency and good separation effect, and the separated paper wrappage and plastic wrappage can be recycled, thereby improving the resource utilization rate of the domestic waste; on the other hand, the device adopts a double-layer sectional design, has a compact structure and small occupied area, and has good industrial application prospect.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic structural view of a double-layer household garbage screening machine according to the present invention.
Fig. 2 is a schematic structural view of a double-layered household garbage screening machine according to another aspect of the present invention.
Fig. 3 is a schematic structural diagram of a deformation device of a double-layer household garbage sieving machine according to the present invention.
Fig. 4 is a schematic structural diagram of three rollers of the deformation device of the double-layer household garbage sieving machine.
Fig. 5 is a schematic structural view of an upper material conveying device of a double-layer household garbage sieving machine according to the present invention.
Fig. 6 is a schematic structural diagram of a lower material receiving and conveying device of a double-layer household garbage sieving machine according to the invention.
Reference numerals:
an upper shell 1 and a lower shell 2;
the upper layer rotary screen 3, a first feed port 31, a material receiving port 32 and a guide blade 33;
a lower layer drum screen 4 and a large packing material outlet 41;
the device comprises a material receiving and conveying device 5, a kitchen waste discharge port 51, a plastic package discharge port 52, a material receiving plate 53, a screw 54, a transmission mechanism 55 and a paper package discharge port 56;
the transmission device 6, the first motor 61, the first gear 62, and the ring gear 63;
the deformation device 7, the material box 71, the rotating roller 72, the second motor 73, the second gear 74 and the pinion 75;
cleaning device 8, shock attenuation mount 9.
Detailed Description
The invention is further described with reference to the following examples.
The specific implementation of the double-layer household garbage screening machine of the embodiment is shown in fig. 1 and 2, and adopts a design of an upper and a lower double-layer structure, so that the double-layer household garbage screening machine is compact in structure and small in occupied area. This equipment includes upper casing 1, lower floor's casing 2, sets up upper trommel sieve 3 in upper casing 1, sets up lower floor's trommel sieve 4 in lower floor's casing 2, sets up respectively in connecing material conveyer 5, transmission 6 and deformation device 7 of the below of upper trommel sieve 3 and lower floor's trommel sieve 4, wherein: first feed inlet 31 and material receiving opening 32 have been seted up respectively to the both ends of upper drum sieve 3, and second feed inlet and bold packing material discharge gate 41 have been seted up respectively to the both ends of lower floor's drum sieve 4, and the sieve mesh diameter of the first half section of lower floor's drum sieve 4 is less than the sieve mesh diameter of the latter half section. The material receiving and conveying device 5 on the upper layer is provided with a kitchen waste discharge hole 51, and the material receiving and conveying device 5 on the lower layer is respectively provided with a plastic packaging material discharge hole 52 and a paper packaging material discharge hole 56. The inner walls of the upper layer rotary screen 3 and the lower layer rotary screen 4 are provided with a plurality of guide blades 33, and the plurality of guide blades 33 are distributed at equal intervals along the spiral direction. The guide vanes 33 serve to mix the materials while conducting the materials. During operation, after the garbage is fed through the first feed inlet 31 of the upper drum screen 3, under the driving of the transmission device 6, the upper drum screen 3 rolls, and under the driving of the guide vanes 33 which are spirally distributed, the garbage is lifted and thrown off, finally, the kitchen garbage with small size, such as food residues, in the garbage is separated out under the action of the upper drum screen 3 and falls to the material receiving and conveying device 5, and then the kitchen garbage is conveyed to the kitchen garbage discharge port 51 to be discharged, and the kitchen garbage discharged from the kitchen garbage discharge port 51 can enter other treatment facilities for centralized treatment. After the first screening is completed through the process, the kitchen waste is separated, and the residual waste is driven by the guide blades 33 in the upper layer drum screen 3 to move to the material receiving port 32, then sequentially enters the deformation device 7 and the lower layer drum screen 4, and continues to screen the plastic packaging materials and the paper packaging materials.
The deformation device 7 is designed according to the characteristics of plastic and paper packaging objects, and because the plastic and paper packaging objects are effectively extruded and deformed, the paper packaging objects are irreversibly deformed, the diameter of the paper packaging objects is increased after deformation, and the diameter of the plastic packaging objects is unchanged after deformation. Therefore, after the deformation device 7 acts, the size difference of the paper and plastic packaging garbage with the same specification can be generated, and the purpose of separation is achieved. Specifically, as shown in fig. 3 and 4, the deformation device 7 includes a material box 71 and three rotating rollers 72 fixed in the material box 71, the feeding end of the material box 71 is communicated with the material receiving port 32, the discharging end of the material box 71 is communicated with the second material inlet, and the three rotating rollers 72 are arranged in an inverted triangle, wherein: two commentaries on classics roller 72 that are located the upper strata are cylindrical commentaries on classics roller 72, and the commentaries on classics roller 72 that is located the lower floor is triangular prism shape commentaries on classics roller 72, and its interior angle is the fillet, and adjacent commentaries on classics roller 72 is parallel to each other and is located same plane between, and lower floor commentaries on classics roller 72 and upper strata commentaries on classics roller 72's interval is 7 ~ 12 cm. When rotating, the roller 72 of changeing of lower floor can two-way rotation, and two cylindrical roller 72 of changeing of upper strata are counter rotation, get into deformation device 7 when the material, change the clearance size of roller 72 through last lower floor and produce the compression deformation effect of specific position to plastics class and paper class packing thing, and its theory of operation is as follows:
the distance between the lower layer rotating roller 72 and the upper layer rotating roller 72 is preset to be 7-12 cm, when the lower layer rotating roller 72 and the upper layer rotating roller 72 rotate, the upper layer rotating roller 72 rotates oppositely to play a certain carding and feeding role for materials, and then the upper layer rotating roller 72 and the lower layer rotating roller 72 play a role in extrusion. In the rotating process, when the cylindrical rotating roller 72 on the upper layer and the triangular cylindrical rotating roller 72 on the lower layer are relatively large in distance, the materials can fall into the gap between the cylindrical rotating roller 72 and the triangular cylindrical rotating roller 72, then the materials are compressed along with the rotation of the cylindrical rotating roller and the triangular cylindrical rotating roller, so that paper packages such as paper cups and paper boxes in the residual garbage are compressed and then deformed, and plastic packages such as straws and plastic cups are compressed and deformed, but the original shapes of the paper packages and the plastic packages are restored quickly, so that the paper packages and the plastic packages with the same specification can generate size difference. Therefore, the residual garbage enters the lower layer drum sieve for secondary separation after being acted by the deformation device 7, the compressed paper packing materials are discharged through the paper packing material discharge port 56 due to the fact that the diameters of sieve holes in the front half section and the rear half section of the lower layer drum sieve 4 are different, the plastic packing materials which restore the original shape after being compressed are discharged through the plastic packing material discharge port 52, and the rest large-size large-block packing material garbage is discharged through the large-block packing material discharge port 41 of the lower layer drum sieve 4 and then enters other sorting equipment for processing.
Through the process, the deformation device can efficiently deform the plastic packaging materials and the paper packaging materials and quickly separate the plastic packaging materials and the paper packaging materials according to the deformation properties of the plastic packaging materials and the paper packaging materials, so that the plastic packaging materials and the paper packaging materials with different sizes can be quickly and finely separated, the separation efficiency is greatly improved, the separation precision is high, the separated paper packaging materials and the separated plastic packaging materials can be recycled, and the recycling utilization rate of the household garbage is improved.
Further, the diameter of a sieve pore of the upper layer drum sieve 3 is 3-5 cm; the screen hole diameter of the front 1/2 section of the lower layer drum screen 4 is 6-10 cm, and the screen hole diameter of the rear 1/2 section is 11-15 cm. Thus, the front half part of the lower layer drum screen 4 can sort out plastic packages (such as plastic cups, straws and the like) in the residual garbage, and the rear half part can sort out paper packages (such as paper cups, paper boxes and the like) in the residual garbage.
In this embodiment, the deformation device 7 further includes a second motor 73, a second gear 74 connected to the second motor 73, and pinions 75 respectively mounted on the roller shafts of the three rollers 72, and the second gear 74 and the pinions 75 are in transmission fit through a chain. The second motor 73 drives the three rollers 72 to rotate through the transmission cooperation of the chain and the gear set. Further, the deformation device 7 further comprises a variable speed sensor for detecting the rotation speed of the roller 72, and the rotation speeds of the second motor 73 and the roller 72 can be automatically adjusted in real time according to the garbage disposal condition.
Specifically, the rotary screen of each layer and the axis of the shell of the layer are on the same straight line, so that the running stability of the equipment is improved.
Specifically, the damping fixing frame 9 is arranged outside the upper shell 1 and the lower shell 2, so that the mechanical loss caused by vibration in the operation process of the equipment is reduced. The upper shell 1 is also provided with a visual window, so that the internal operation of the equipment can be observed conveniently at any time, and if abnormity occurs, the equipment can be processed conveniently and timely.
In this embodiment, as shown in fig. 2, the transmission device 6 includes a first motor 61, a first gear 62 connected to the first motor 61, and a ring gear 63 fixed to the outer walls of the upper layer trommel 3 and the lower layer trommel 4, respectively, and the first gear 62 and the ring gear 63 are engaged with each other to form a transmission fit. The first motor 61 drives the first gear 62 to rotate, and the first gear 62 is in transmission fit with the ring gear 63 to drive the upper layer rotary screen 3 and the lower layer rotary screen 4 to rotate.
In this embodiment, as shown in fig. 5 and fig. 6, the material receiving and conveying device 5 includes a material receiving plate 53, a screw 54 and a conveying belt installed in the material receiving plate 53, and a transmission mechanism 55, wherein one end of the screw 54 is connected to the transmission mechanism, and the conveying belt is installed on the material receiving plate 53. The materials separated through the screen holes of the drum screen directly fall onto the material receiving plate 53 and are conveyed to the corresponding discharge holes by the screw 54 and the conveyor belt.
In this embodiment, the inner walls of the upper housing 1 and the lower housing 2 are provided with cleaning devices 8 (see fig. 2). As the preferred embodiment, this cleaning device 8 is the brush, the body of rod of brush and the inner wall rotatable coupling of this layer of casing, and the body of rod length of brush is unanimous with the length of this layer of drum sieve, and the hair length of brush is greater than the distance between this layer of drum sieve outer wall and the shells inner wall 3mm to ensure that the brush can in time clear up the impurity on the drum sieve, prevent that the sieve mesh from blockking up, extension machine life. Specifically, the clamping groove has been seted up to the one end inner wall of upper casing 1 and lower floor's casing 2, and the one end and the clamping groove pin joint of the brush body of rod, the brush body of rod can pivot the axle relatively and rotate like this, can be cleaner with the impurity clearance ground on the drum sieve
The working principle of the invention is as follows:
when the kitchen garbage collecting device works, after household garbage is fed through a first feeding hole 31 of an upper layer of drum screen 3, the upper layer of drum screen 3 rolls under the driving of a transmission device 6, and kitchen garbage such as food residues with small sizes in the final garbage is separated out under the action of the upper layer of drum screen 3 and falls onto a material receiving plate 53, and then is conveyed to a kitchen garbage discharging hole 51 to be discharged, so that the residual garbage after the first screening of the upper layer of drum screen 3 moves to the material receiving hole 32 under the driving of the guide blade 33 in the upper layer of drum screen 3, then enters a deformation device 7 to be compressed, wherein two rotating rollers 72 on the upper layer rotate oppositely to play a certain role in carding and feeding for the material, and the carded material is further extruded between the upper layer of rotating rollers 72 and the lower layer of rotating rollers 72, in the rotating process, when the relative distance between the cylindrical rotating roller 72 and the triangular cylindrical rotating roller 72 is larger, the material falls into the gap between the cylindrical rotating roller 72 and the triangular cylindrical rotating roller 72, then the distance between the cylindrical rotating roller 72 and the triangular cylindrical rotating roller 72 is reduced along with the rotation, so that the material is compressed, the paper type packaging objects such as paper cups and paper boxes in the residual garbage are deformed, the plastic type packaging objects such as straws and plastic cups are compressed and then deformed, but the original shape is recovered quickly, therefore, the size difference occurs to the paper type packaging objects and the plastic type packaging objects with the same specification, the paper type packaging objects are separated again through the lower layer drum screen 4, the compressed paper type packaging objects are discharged through the paper type packaging object discharge port 56, the plastic type packaging objects which are compressed and recovered to the original shape are discharged through the plastic type packaging object discharge port 52, and the rest large-size large-block packaging garbage is discharged through the large-block discharge port 41 of the lower layer drum screen 4, and then enters other sorting equipment for processing.
Compared with the prior art, the invention realizes the rapid and fine separation of the kitchen waste, paper packages, plastic packages and other waste in the domestic waste in public areas such as stores, office buildings and the like, has high separation efficiency and good separation effect, and the separated paper packages and plastic packages can be recycled, thereby improving the resource utilization rate of the domestic waste; on the other hand, the device adopts a double-layer sectional design, has a compact structure and small occupied area, and has good industrial application prospect.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides a double-deck domestic waste screening machine which characterized in that: including upper casing, lower floor's casing, set up in upper trommel in the upper casing, set up in lower floor's trommel in the lower floor's casing, set up respectively in connect material conveyer, transmission and the deformation device of the below of upper trommel and lower floor's trommel, wherein: the kitchen waste collecting and conveying device is arranged on the upper layer, and the kitchen waste collecting and conveying device is arranged on the lower layer and is provided with a plastic packaging material outlet and a paper packaging material outlet;
the inner walls of the upper layer rotary screen and the lower layer rotary screen are respectively provided with a plurality of guide blades, the guide blades are distributed at equal intervals along the spiral direction, and the diameter of the screen hole of the front half section of the lower layer rotary screen is smaller than that of the screen hole of the rear half section;
deformation device includes the workbin and is fixed in three in the workbin changes the roller, the feed end of workbin with connect the material mouth intercommunication, the discharge end of workbin with the second feed inlet intercommunication, three change the roller and be the inverted triangle and arrange to the interval that is located one of inverted triangle lower floor and changes the roller and is located two of inverted triangle upper strata changes the roller all sets up to 7 ~ 12 cm.
2. The double-layer household garbage screening machine according to claim 1, characterized in that: the two rotating rollers positioned on the upper layer are cylindrical rotating rollers, the rotating roller positioned on the lower layer is a triangular cylindrical rotating roller, and the two cylindrical rotating rollers rotate oppositely.
3. The double-layer household garbage screening machine according to claim 1, characterized in that: the diameter of the sieve pore of the upper layer drum sieve is 3-5 cm.
4. The double-layer household garbage screening machine according to claim 1, characterized in that: the sieve pore diameter of the front 1/2 section of the lower layer drum sieve is 6-10 cm, and the sieve pore diameter of the rear 1/2 section of the lower layer drum sieve is 11-15 cm.
5. The double-layer household garbage screening machine according to claim 1, characterized in that: the transmission device comprises a first motor, a first gear connected with the first motor and ring gears respectively fixed on the outer walls of the upper layer of drum screen and the lower layer of drum screen, and the first gear is meshed with the ring gears.
6. The double-layer household garbage screening machine according to claim 1, characterized in that: the deformation device further comprises a second motor, a second gear connected with the second motor, and pinions arranged on the roll shafts of the three rotating rolls respectively, wherein the second gear is in transmission fit with the pinions through chains.
7. The double-layer household garbage screening machine according to claim 6, characterized in that: the deformation device also comprises a variable speed sensor for detecting the rotating speed of the rotating roller.
8. The double-layer household garbage screening machine according to claim 1, characterized in that: the material receiving and conveying device comprises a material receiving plate, a screw rod and a conveying belt which are arranged in the material receiving plate, and a transmission mechanism.
9. The double-layer household garbage screening machine according to claim 1, characterized in that: the inner walls of the upper shell and the lower shell are both provided with cleaning devices, each cleaning device is a brush, a rod body of each brush is rotatably connected with the inner wall of the upper shell or the lower shell, the length of the rod body of each brush is consistent with the length of the layer of drum screen, and the hair length of each brush is 3mm greater than the distance between the outer wall of the layer of drum screen and the inner wall of the shell.
10. The double-layer household garbage screening machine according to claim 9, characterized in that: the inner walls of one ends of the upper shell and the lower shell are provided with clamping grooves, and one end of the hairbrush rod body is pivoted with the clamping grooves.
CN202110704258.XA 2021-06-24 2021-06-24 Double-layer garbage screening machine Active CN113414093B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6250474B1 (en) * 1997-10-09 2001-06-26 Billy R. Howell Magnetic separator
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CN102218436A (en) * 2011-05-05 2011-10-19 北京水气蓝德环保科技有限公司 Device for separating biomass from kitchen refuse
CN103381404A (en) * 2013-06-24 2013-11-06 南京万德斯环保科技有限公司 Kitchen waste crushing and sorting device
CN103464449A (en) * 2013-02-09 2013-12-25 山东华绿餐处科技股份有限公司 Kitchen waste pretreatment device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6250474B1 (en) * 1997-10-09 2001-06-26 Billy R. Howell Magnetic separator
US20060001187A1 (en) * 2002-04-12 2006-01-05 Allen Laurence E Iii Multistep separation of plastics
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CN103464449A (en) * 2013-02-09 2013-12-25 山东华绿餐处科技股份有限公司 Kitchen waste pretreatment device
CN103381404A (en) * 2013-06-24 2013-11-06 南京万德斯环保科技有限公司 Kitchen waste crushing and sorting device

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