CN209577409U - Aciculiform vibration screening device for house refuse - Google Patents
Aciculiform vibration screening device for house refuse Download PDFInfo
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- CN209577409U CN209577409U CN201920218791.3U CN201920218791U CN209577409U CN 209577409 U CN209577409 U CN 209577409U CN 201920218791 U CN201920218791 U CN 201920218791U CN 209577409 U CN209577409 U CN 209577409U
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- 238000012216 screening Methods 0.000 title claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 44
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 36
- 239000010791 domestic waste Substances 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000013519 translation Methods 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 3
- 238000007873 sieving Methods 0.000 abstract description 16
- 239000012634 fragment Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010411 cooking Methods 0.000 abstract 2
- 239000010794 food waste Substances 0.000 abstract 1
- 239000010806 kitchen waste Substances 0.000 description 21
- 239000011368 organic material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006065 biodegradation reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The utility model provides a kind of aciculiform vibration screening device for house refuse, on the aciculiform vibrating screen that uniformly rubbish is transported to and is disposed below by conveyer for domestic waste structure, aciculiform vibrating screen is arranged on the rack by capacity eccentric bearing, the circumference shake of decentraction is generated under the drive of the motor, using upper, the elasticity of lower sieve needle, form a throwing power forward and up, so that the non-rubbish from cooking lodge of bulk and strip is on upper sieve needle, shorter non-food waste fragment and rubbish from cooking are together along upper, the gap of lower sieve needle is past to fall, by the winnowing machine of bottom of the frame according to the density size of rubbish, volume size carries out selection by winnowing and collects respectively.Solves the problems such as material, putty being twined existing for traditional life sieving garbage device, adhesion, screening efficiency is low, energy consumption is high, noise is big.
Description
Technical Field
The utility model provides a aciculiform vibration screening device for domestic waste sieves the domestic waste after the breakage, has solved twine material, putty, adhesion, screening inefficiency, the energy consumption height that traditional domestic waste screening device exists, noise big scheduling problem, belongs to city domestic waste preliminary treatment technical field.
Background
In the technical field of municipal domestic waste treatment, because the components of the domestic waste are very complex, the screening effect of the domestic waste which is not crushed is not good, the separation rate of the kitchen waste is extremely low, the requirements of biodegradation and material recycling on the screen cannot be met, and high cost is brought to the treatment of the rear end. The broken domestic waste sieves through traditional screening mode, and screening effect is not good, and the sieve mesh is just blockked up badly through very short time, and the winding will take place for sieve axle sieve piece. The sieve mesh of the sieving machine is rapidly reduced, a large amount of kitchen garbage and oversize materials are mixed together, and the sieving efficiency is sharply reduced. The processing capacity of other pre-processing equipment associated therewith is also reduced. The time for the household garbage pretreatment system to treat the household garbage is further prolonged. The treatment efficiency is seriously affected.
The traditional household garbage screening system is large in size and occupies a large amount of space. The mechanical structure is complicated, and the noise is big. Other pre-processing equipment connected in front and back is also complex, which results in high failure rate of the screening equipment. The sanitary cleaning of the screened equipment also takes more time. Especially, the amount of kitchen waste screened by the traditional screening process is reduced, the amount of kitchen waste screened by the traditional screening process is increased, and the difficulty is brought to the comprehensive utilization of rear-end biodegradation and front-end RDF. Therefore, a novel household garbage screening device which is efficient, small in occupied space, low in energy consumption and high in reliability is urgently needed to solve the existing difficult problems.
Disclosure of Invention
The utility model discloses a aciculiform vibration screening device for domestic waste, with great domestic waste (plastics, fabric etc.) and less domestic waste (surplus, plastic sheet, debris in kitchen) effectual vibration throw the screening that falls, big RDF is bounced, and the surplus rubbish in little kitchen falls down in the same direction as the gap of needle sieve, has solved traditional screening equipment and has extremely low the surplus rubbish separation rate in kitchen, and the screening effect is not good, and the sieve mesh just blocks up badly, and defects such as winding will take place for sieve axle sieve piece.
The utility model relates to a domestic waste aciculiform vibration screening method, its technical solution is as follows:
the household garbage conveying mechanism uniformly conveys garbage to the needle-shaped vibrating screen below the household garbage conveying mechanism, the needle-shaped vibrating screen is arranged on the rack through an eccentric bearing, an upper sieve needle and a lower sieve needle of the needle-shaped vibrating screen are in a long and thin strip shape, eccentric circumferential shaking is generated under the driving of a motor, a forward and upward throwing force is formed by utilizing the elasticity of the upper sieve needle and the lower sieve needle, large blocks and strip-shaped non-kitchen garbage are hung on the upper sieve needle, short non-kitchen garbage fragments and the kitchen garbage fall down along gaps of the upper sieve needle and the lower sieve needle together, and air separation is carried out by an air separator at the bottom of the rack according to the density and the volume of the garbage and are respectively collected.
The utility model discloses the needle of sieving of aciculiform shale shaker has the contained angle of certain adjustable downward sloping with the level, and the direction of vibration has a forward inclination with the vertical direction when the needle of sieving vibrates from top to bottom, and the needle of sieving forms a forward preceding throwing power under driving motor and eccentric bearing's effect, and the continuous antedisplacement of dropping point is down when the material is shaken to beat from top to bottom on the sieve, because the vibration frequency of needle of sieving and the thing of sieving is different. The oversize material will not be wound and piled up. Because the needle-shaped sieve needle has a downward inclination angle, the operating frequency is adjusted by driving, the rigidity and the flexibility of the sieve needle are combined, the gap and the inclination angle of the sieve needle are combined, the eccentric vibration and the gravity are combined, and the wind power separation is used as an assistant, so that the sieving efficiency of the needle-shaped sieve is greatly improved, and the sieving purity is also greatly improved compared with the traditional sieving equipment. Through the combined application, the volume of the needle-shaped sieving machine is greatly reduced, the energy consumption is greatly reduced, and the occupied area and the space have obvious advantages compared with the traditional garbage sieving equipment.
The large and long-strip-shaped non-kitchen waste materials are hung on the sieve needles and continuously move towards the outlet of the sieving machine. The small kitchen waste organic materials scattered in the gaps of the sieve needles fall into the organic material collecting box, and the small kitchen waste organic materials scattered on the sieve needles fall into the organic material collecting box under the action of lateral elasticity due to small contact area and dispersed stress.
The shorter non-kitchen waste fragments and kitchen waste materials fall down along the gaps of the upper and lower sieve needles, and the fan nozzles arranged at the bottoms of the sieve needles uniformly spray air. The less non-kitchen waste fragments of density are blown into in the non-kitchen waste collecting box under the effect of wind, and the less translation of the more kitchen waste material of density takes place to fall into organic matter material collecting box under the effect of wind. Through the screening system, the separation of non-kitchen waste materials and kitchen waste materials is realized.
A aciculiform vibration screening device for domestic waste, its characterized in that: comprises a frame, a household garbage conveying mechanism and a needle-shaped vibrating screen positioned below the household garbage conveying mechanism; wherein,
the household garbage conveying mechanism comprises: the conveying pair is composed of a conveying driving motor, a conveying driving speed reducer, a conveying belt driving wheel, a driving shaft, a conveying belt driven wheel and a belt tensioning device, and is used for conveying the primarily crushed household garbage to the needle-shaped vibrating screen;
the needle-shaped vibrating screen comprises: the needle sieve angle adjusting device comprises a needle sieve frame, an upper-layer sieve needle, a lower-layer sieve needle, a needle sieve driving end sleeve, a needle sieve fixed end sleeve, a needle sieve driving shaft, a needle sieve driving wheel, a driving wheel supporting bearing, a needle sieve driving belt, an eccentric bearing, a winnowing motor, a winnowing machine, a winnowing nozzle, a needle sieve angle adjusting device, a sliding module base, a needle sieve driving end sleeve, a needle sieve front-back movement tensioning spring, a needle sieve sliding module, a needle sieve driving motor and a needle sieve fixed end bearing;
the needle-shaped screen frame is positioned below the rack, and a needle-shaped screen fixed end sleeve, a needle-shaped screen driving motor, a needle-shaped screen driving shaft, a needle-shaped screen driving wheel, a driving wheel supporting bearing, a needle-shaped screen driving belt and an eccentric bearing are arranged on the needle-shaped screen frame; the upper-layer sieve needle and the lower-layer needle sieve are of a slender strip (rigid) structure, the tail parts of the upper-layer sieve needle and the lower-layer needle sieve are respectively fixed on the needle sieve fixed end sleeve and the needle sieve driving end sleeve, and the upper-layer sieve needle and the lower-layer needle sieve are arranged in a vertical crossing manner; the needle sieve fixing end sleeve and the needle sieve driving end sleeve respectively drive the upper-layer sieve needles and the lower-layer needle sieve to do up-and-down motion in a crossed manner;
an eccentric bearing and a needle sieve driving shaft are embedded in a needle sieve driving end sleeve to form a meshing pair; the needle-shaped screen driving shaft is fixed in driving wheel supporting bearings at two ends of the needle-shaped screen frame, and the needle-shaped screen driving wheel is arranged on the needle-shaped screen driving shaft; one end of the needle-shaped screen driving belt is meshed with the needle-shaped screen driving wheel, and the other end of the needle-shaped screen driving belt is meshed with a belt pulley of a needle-shaped screen driving motor fixed on the needle-shaped screen frame; the needle-shaped sieve angle adjusting device supports the sliding module seat body; one end of the needle-shaped screen sliding module is embedded in a slideway of the sliding module seat body, and the other end of the needle-shaped screen sliding module is fixed in a needle-shaped screen fixed end bearing; the needle sieve fixing end bearing is embedded in the needle sieve fixing end sleeve; a needle screen front-back movement tensioning spring for adjusting a needle screen fixed end sleeve is also arranged on the needle screen frame;
a winnowing motor and a winnowing machine are also arranged below the rack and positioned at the lower part of the needle type vibration screening mechanism; the tuyere of air separator is located the below of lower floor sieve needle stiff end, with lower floor sieve needle parallel arrangement, blows into the surplus collecting box in short surplus piece in non-kitchen and the surplus material in kitchen of falling down with upper sieve needle and lower floor needle sieve gap, and the great surplus material in kitchen of density takes place less translation under the effect of wind and falls into organic matter material collecting box in, has realized the separation of surplus material in non-kitchen and the surplus material in kitchen.
The utility model has the advantages of: the screening mechanism of the upper layer of needle-shaped screening needles and the lower layer of needle-shaped screening needles is adopted to replace the traditional screen mechanism, the long and thin needle-shaped screening needles are driven to generate eccentric vibration to form throwing motion, the broken household garbage can be rapidly moved to the discharge end in a reciprocating manner in the horizontal direction by using smaller power, the household garbage can be longitudinally thrown by the eccentric shaft design, the oversize materials are rapidly thrown out by utilizing the downward inclination angle of the needle-shaped screening needles and the blowing of the fan, and fine kitchen waste fragments are directly leaked into the kitchen waste material receiving box along the gaps of the screening needles; greatly improves the screening efficiency and the screening purity, and provides reliable technical support for the material recycling treatment of oversize products and the biodegradation of undersize products.
Drawings
FIG. 1 is a schematic diagram of the structure of the device of the present invention;
FIG. 2 is a schematic diagram of the side view structure of the device of the present invention;
FIG. 3 is a schematic diagram of the top view structure of the device of the present invention;
FIG. 4 is a schematic diagram of the structure of the sieving mechanism of the device of the present invention;
FIG. 5 is a schematic view of a partial structure of the sieving mechanism of the device of the present invention;
in the figure: 1, an upper-layer sieve needle; 2 a material conveying belt driven wheel; 3, a belt tensioning device; 4, a material conveying belt; 5 a material conveying belt driving wheel; 6 driving the shaft; 7, a belt material baffle plate; 8, driving a needle-shaped sieve shaft; 9 needle sieve driving wheel; 10 driving wheel support bearings; 11 needle sieve drive belt; 12 an eccentric bearing; 13 winnowing motor; 14, a winnowing machine; 15 air nozzles; a 16-needle sieve angle adjusting device; 17 sliding module base; an 18-pin screen drive end sleeve; 19 a material conveying driving motor; 20 conveying material drives a speed reducer; the 21 needle-shaped sieve moves the tension spring back and forth; 22 a feeding baffle of a feeding machine; a 23 needle sieve frame; 24 a frame; 25 lower layer sieve needles; 26 a needle screen slide module; a 27-pin sieve drive motor; 28 needle sieve fixed end bearing; the end sleeve was secured to a 29-pin screen.
Detailed Description
The following examples are provided to illustrate specific embodiments of the present invention, but it should be understood by those skilled in the art that these examples are given by way of illustration only, and the scope of the present invention is defined by the appended claims, and those skilled in the art can make various changes and modifications to these embodiments without departing from the principle and spirit of the present invention, and these changes and modifications all fall into the scope of the present invention.
Example 1
The utility model provides a household garbage aciculiform vibration screening device, which mainly comprises a frame 24, a household garbage conveying mechanism and an aciculiform vibration screen positioned below the conveying mechanism; wherein,
the household garbage conveying mechanism is shown in figures 1, 2 and 3: a transmission pair is formed by a material conveying driving motor 19, a material conveying driving speed reducer 20, a material conveying belt driving wheel 5, a driving shaft 6, a material conveying belt 4, a material conveying belt driven wheel 2 and a belt tensioning device 3; the belt material baffle plates 7 are arranged on two sides of the material conveying belt 4; the feeding machine blanking baffle plate 22 is positioned below the feeding belt driven wheel 2 of the feeding belt 4 and is used for conveying the primarily crushed household garbage to the vibrating screen needle type screening mechanism;
as shown in fig. 4, the needle-shaped vibrating screen is composed of a needle-shaped screen frame 23, an upper-layer screen needle 1, a lower-layer screen needle 25, a needle-shaped screen driving end sleeve 18, a needle-shaped screen fixing end sleeve 29, a needle-shaped screen driving shaft 8, a needle-shaped screen driving wheel 9, a driving wheel supporting bearing 10, a needle-shaped screen driving belt 11, an eccentric bearing 12, an air separation motor 13, an air separation machine 14, an air separation nozzle 15, a needle-shaped screen angle adjusting device 16, a sliding module seat body 17, a needle-shaped screen sleeve 18, a needle-shaped screen driving end back-and-forth movement tensioning spring 21, a needle-shaped screen sliding module 26, a needle-shaped;
as shown in fig. 1, 4 and 5, the needle sieve frame 23 is positioned below the frame 24, the needle sieve frame 23 is provided with a needle sieve fixing end sleeve 29, a needle sieve driving end sleeve 18, a needle sieve driving motor 27 and a needle sieve driving shaft 8, a needle sieve driving wheel 9, a driving wheel supporting bearing 10, a needle sieve driving belt 11, an eccentric bearing 12, an upper sieve needle 1 and a lower sieve 25 are of an elongated strip (rigid) structure, the tail parts of the upper sieve needle 1 and the lower sieve 25 are respectively fixed on the needle sieve fixing end sleeve 29 and the needle sieve driving end sleeve 18, the upper sieve needle 1 and the lower sieve 25 are arranged in a vertical crossing manner, the upper sieve needle 1 and the lower sieve 25 have an adjustable downward-inclined angle of 4 ~ degrees with the horizontal direction, the vibration direction and the vertical direction of the upper sieve needle 1 and the lower sieve 25 have a forward inclination angle of 4 358 degrees, and the needle sieve sleeve 29 and the needle sieve driving end sleeve 18 respectively drive the upper sieve needle 1 and the lower sieve 25 to move up and down in a crossing manner;
as shown in fig. 4 and 5, an eccentric bearing 12 and a needle sieve driving shaft 8 are embedded in a needle sieve driving end sleeve 18 to form a meshing pair; the needle-shaped screen driving shaft 8 is fixed in the driving wheel supporting bearings 10 at the two ends of the needle-shaped screen frame 23, and the needle-shaped screen driving wheel 9 is arranged on the needle-shaped screen driving shaft 8; one end of the needle sieve driving belt 11 is meshed with the needle sieve driving wheel 8, and the other end is meshed with a belt pulley of a needle sieve driving motor 27 fixed on the needle sieve frame 23; the needle sieve angle adjusting device 16 supports the sliding module base 17; one end of the needle sieve sliding module 26 is embedded in the slideway of the sliding module seat body 17, and the other end is fixed in a needle sieve fixed end bearing 28; the needle-shaped screen fixed end bearing 28 is embedded in the needle-shaped screen fixed end sleeve 29; a needle screen front-back movement tensioning spring 21 for adjusting a needle screen fixed end sleeve 29 is also arranged on the needle screen frame 23;
as shown in fig. 2, an air separation motor 13 and an air separator 14 are further mounted below the frame 24 and below the needle type vibrating screening mechanism; the tuyere 15 of the winnowing machine 14 is located below the fixed end of the lower-layer sieve needle 25 and arranged in parallel with the lower-layer sieve needle 25, short kitchen waste fragments and kitchen waste materials falling down from the gap between the upper-layer sieve needle 1 and the lower-layer needle sieve 25 are blown into the kitchen waste collecting box, the kitchen waste materials with high density are subjected to small translation under the action of wind and fall into the organic material collecting box, and separation of the kitchen waste materials and the kitchen waste materials is achieved.
Claims (2)
1. The utility model provides a aciculiform vibration screening plant for domestic waste which characterized in that: comprises a frame, a household garbage conveying mechanism and a needle-shaped vibrating screen positioned below the household garbage conveying mechanism; wherein,
the household garbage conveying mechanism comprises: the conveying pair is composed of a conveying driving motor, a conveying driving speed reducer, a conveying belt driving wheel, a driving shaft, a conveying belt driven wheel and a belt tensioning device, and is used for conveying the primarily crushed household garbage to the needle-shaped vibrating screen;
the needle-shaped vibrating screen comprises: the needle sieve angle adjusting device comprises a needle sieve frame, an upper-layer sieve needle, a lower-layer sieve needle, a needle sieve driving end sleeve, a needle sieve fixed end sleeve, a needle sieve driving shaft, a needle sieve driving wheel, a driving wheel supporting bearing, a needle sieve driving belt, an eccentric bearing, a winnowing motor, a winnowing machine, a winnowing nozzle, a needle sieve angle adjusting device, a sliding module base, a needle sieve driving end sleeve, a needle sieve front-back movement tensioning spring, a needle sieve sliding module, a needle sieve driving motor and a needle sieve fixed end bearing;
the needle-shaped screen frame is positioned below the rack, and a needle-shaped screen fixed end sleeve, a needle-shaped screen driving motor, a needle-shaped screen driving shaft, a needle-shaped screen driving wheel, a driving wheel supporting bearing, a needle-shaped screen driving belt and an eccentric bearing are arranged on the needle-shaped screen frame; the upper-layer sieve needle and the lower-layer needle sieve are of slender strip structures, the tail parts of the upper-layer sieve needle and the lower-layer needle sieve are respectively fixed on the needle sieve fixed end sleeve and the needle sieve driving end sleeve, and the upper-layer sieve needle and the lower-layer needle sieve are arranged in a vertical cross mode; the needle sieve fixing end sleeve and the needle sieve driving end sleeve respectively drive the upper-layer sieve needles and the lower-layer needle sieve to do up-and-down motion in a crossed manner;
an eccentric bearing and a needle sieve driving shaft are embedded in a needle sieve driving end sleeve to form a meshing pair; the needle-shaped screen driving shaft is fixed in driving wheel supporting bearings at two ends of the needle-shaped screen frame, and the needle-shaped screen driving wheel is arranged on the needle-shaped screen driving shaft; one end of the needle-shaped screen driving belt is meshed with the needle-shaped screen driving wheel, and the other end of the needle-shaped screen driving belt is meshed with a belt pulley of a needle-shaped screen driving motor fixed on the needle-shaped screen frame; the needle-shaped sieve angle adjusting device supports the sliding module seat body; one end of the needle-shaped screen sliding module is embedded in a slideway of the sliding module seat body, and the other end of the needle-shaped screen sliding module is fixed in a needle-shaped screen fixed end bearing; the needle sieve fixing end bearing is embedded in the needle sieve fixing end sleeve; a needle screen front-back movement tensioning spring for adjusting a needle screen fixed end sleeve is also arranged on the needle screen frame;
a winnowing motor and a winnowing machine are also arranged below the rack and positioned at the lower part of the needle type vibration screening mechanism; the tuyere of air separator is located the below of lower floor sieve needle stiff end, with lower floor sieve needle parallel arrangement, blows into the surplus collecting box in short surplus piece in non-kitchen and the surplus material in kitchen of falling down with upper sieve needle and lower floor needle sieve gap, and the great surplus material in kitchen of density takes place less translation under the effect of wind and falls into organic matter material collecting box in, has realized the separation of surplus material in non-kitchen and the surplus material in kitchen.
2. A needle-shaped vibratory screening device for household garbage according to claim 1, characterized in that:
belt material baffle plates are arranged on two sides of the material conveying belt;
a feeding machine blanking baffle is arranged below a feeding belt driven wheel of the feeding belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920218791.3U CN209577409U (en) | 2019-02-21 | 2019-02-21 | Aciculiform vibration screening device for house refuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920218791.3U CN209577409U (en) | 2019-02-21 | 2019-02-21 | Aciculiform vibration screening device for house refuse |
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| Publication Number | Publication Date |
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| CN209577409U true CN209577409U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920218791.3U Active CN209577409U (en) | 2019-02-21 | 2019-02-21 | Aciculiform vibration screening device for house refuse |
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| CN (1) | CN209577409U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675808A (en) * | 2019-02-21 | 2019-04-26 | 吉林融信坤环境技术有限公司 | A kind of house refuse aciculiform vibrosieve method and device |
| CN112642714A (en) * | 2020-12-08 | 2021-04-13 | 深圳市海之景科技有限公司 | Intelligent recognition's refuse treatment is with categorised sieving mechanism |
-
2019
- 2019-02-21 CN CN201920218791.3U patent/CN209577409U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675808A (en) * | 2019-02-21 | 2019-04-26 | 吉林融信坤环境技术有限公司 | A kind of house refuse aciculiform vibrosieve method and device |
| CN109675808B (en) * | 2019-02-21 | 2024-02-27 | 吉林融信坤环境技术有限公司 | Needle-shaped vibration screening method and device for household garbage |
| CN112642714A (en) * | 2020-12-08 | 2021-04-13 | 深圳市海之景科技有限公司 | Intelligent recognition's refuse treatment is with categorised sieving mechanism |
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