CN113877819A - Simple multistage stale refuse screening and sorting device - Google Patents
Simple multistage stale refuse screening and sorting device Download PDFInfo
- Publication number
- CN113877819A CN113877819A CN202111118693.0A CN202111118693A CN113877819A CN 113877819 A CN113877819 A CN 113877819A CN 202111118693 A CN202111118693 A CN 202111118693A CN 113877819 A CN113877819 A CN 113877819A
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- China
- Prior art keywords
- sieve plate
- sorting device
- screening
- plate net
- stale refuse
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a simple multistage stale refuse screening and sorting device which comprises a hopper, a multistage sieve plate net, a vibration generator, a fan, an air duct, a lower hopper, a conveying belt, a support and a dust cover. The invention acts on the sieve plate net through the vibration generator, the fan conveys wind power through the air duct, and the stale garbage coming out of the hopper is screened into fine organic materials, heavy materials and light materials under the action of vibration, wind power and gravity. The device has simple structure and process principle, small workload of operators, low running cost, no winding problem in the screening process and capability of realizing economic classification and utilization of stale garbage.
Description
Technical Field
The invention relates to a screening device, in particular to a simple screening and sorting device suitable for stale garbage in various-scale refuse landfills.
Background
Along with the continuous development of urbanization, the urban population is continuously increased, the living standard of people is continuously improved, and the contradiction that people compete for land with garbage is increasingly prominent; especially, the non-formal domestic garbage landfill site causes serious pollution to the atmosphere, underground water and the land around the landfill site, so that the realization of the disposal, development and utilization of the land of the formal or non-formal landfill site is a problem which is concerned and urgently needed to be solved by the current government departments.
The method for recycling the aged refuse of the domestic refuse landfill after digging and screening is one of the main technologies of reduction, recycling and harmless treatment of the refuse landfill at present. The key technology adopted by the invention is how to screen and sort out the complex components in the stale refuse in the refuse landfill in a low energy consumption mode, wherein the stale refuse mainly contains paper, plastics, rubber, ceramics, metals, fiber fabrics, bricks, tiles, stones, fine organic soil and the like.
At present, the screening and sorting of the stale refuse mainly comprises devices such as a rotary screen, a vibrating screen, a winnowing machine, a magnetic separator and the like, wherein the rotary screen is the most commonly used device. For stale garbage with complex components, the problems of winding, screen hole blockage and the like can occur in the process of treatment by a drum screen, frequent shutdown and cleaning are needed, the treatment efficiency and the treatment capacity are seriously influenced, the treatment energy consumption is large, a treatment workshop needs to be established, equipment needs to be fixed, and the capital construction, transportation and treatment costs are high; in the traditional treatment process, the winnowing machine and the screening equipment are independently configured, so that the equipment investment and the operation cost are increased, and the problem of thorough separation of different components in the separation process cannot be well solved due to the technology of independently configuring the screening machine and the air screen.
Disclosure of Invention
The invention provides screening and sorting equipment for treating aged refuse of refuse landfill plants of various scales, which aims to solve the problems of winding and blockage of the aged refuse of the landfill plants in the screening and sorting process in the background art, simplify the treatment process, improve the treatment efficiency and capacity, reduce the treatment energy consumption and reduce the investment cost.
The invention relates to a simple multistage stale refuse screening and sorting device, which mainly comprises: the device comprises a storage bin, a vibration generator, a primary sieve plate net, a secondary sieve plate net, a tertiary sieve plate net, a fan, an air channel, a support, a belt conveyor and the like.
In the device, a material bin is arranged on a support, a primary sieve plate net is arranged below the material bin, and a vibration generator is arranged at the position close to the lower part of the sieve plate net; the lower end of the primary sieve plate net is provided with a secondary sieve plate net, and the lower part of the secondary sieve plate net is provided with a vibration generator and a primary winnowing air outlet; the lower end of the second-stage sieve plate net is provided with a third-stage sieve plate net, the lower part of the second-stage sieve plate net is provided with a vibration generator and a secondary wind separation air port, and the lower end of the third-stage sieve plate net is provided with a light substance conveying belt made of plastics, paper and the like. A belt conveyor is arranged below the first, second and third sieve plate nets and forms a closed space with the lower hopper at the back of the three sieve plate nets to receive fine organic materials screened by the three sieve plate nets.
The first, second and third grade sieve plate nets are inclined downwards relative to the horizontal plane, the sieve mesh is formed by welding round steel of 8-10mm, the sieve mesh is of a square hole structure, the first grade sieve mesh is 25mm, the second grade sieve mesh is 25mm, and the third grade sieve mesh is 20 mm.
The material in the hopper gets into one-level sieve plate net, and under the vibrations effect and the action of gravity of vibrations generator, the material down moves and according to the weight layering, and at the in-process that removes, fine particle organic matter falls into sieve plate net lower part and fights, and the great heavy material of volume down moves, falls into on the second grade sieve plate net, and bulky light material falls on the third grade sieve plate net under the effect of gravity and wind power.
The materials which are not completely separated on the first-stage sieve plate net enter a second-stage sieve plate net and a third-stage sieve plate net which are configured in the same way, fine screening is further carried out, and heavy materials are collected by a heavy material belt conveyer at the tail end of the third-stage sieve plate net; the light materials fall into a higher light material belt for transportation and collection under the action of a fan; the fine organic soil falls into the belt conveyors at the lower parts of the first, second and third sieve plate nets and is conveyed and collected by the fine material belt conveyors.
The present invention has the following advantageous effects.
1. Through the combination of vibration, winnowing and screening, the materials can be separated into layers in a shaking mode, and therefore the aged and rotten garbage can be classified economically.
2. Through setting up tertiary sieve plate net, vibration and selection by winnowing, can adapt to the various materials of all kinds of scale landfill yards, can not cause the jam and the winding of material, can realize the categorised utilization of stale rubbish.
3. The process principle is simple, the workload of maintenance personnel is small, and the operation cost is low.
Drawings
FIG. 1 is a side view of the device of the present invention.
FIG. 2 is a top view of the apparatus of the present invention.
Fig. 3 is a perspective view of the vibration generator of the present invention.
In the drawings, part names: 1-hopper, 2-primary sieve plate net, 3-vibration generator I, 4-secondary sieve plate net, 5-vibration generator II, 6-primary fan, 7-primary fan air duct, 8-tertiary sieve plate net, 9-vibration generator III, 10-secondary fan, 11-secondary fan air duct, 12-organic fine material conveying belt, 13-bracket, 14-heavy material conveying belt, 15-light material conveying belt, 16-motor, 17-speed reducer, 18-cam mechanism group, 19-lower hopper, 20-dustproof sealing cover and 21-screw rod adjusting mechanism.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
As shown in figures 1-3, the simple multistage stale waste screening and sorting device comprises a support 13, wherein the support 13 is fixed on the ground, a hopper 1 is arranged above the support 13, a first-stage sieve plate net 2, a second-stage sieve plate net 4 and a third-stage sieve plate net 8 are sequentially arranged on the same plane below the hopper 1, the sieve plate nets are obliquely arranged at the same angle, and are mutually independent and hinged on the support.
Preferably, the support is provided with a screw rod adjusting mechanism 21 which can adjust the inclination angles of the first, second and third grade sieve plate nets. Preferably, the inclination angle of the first, second and third grade screen mesh is 20-45 ° with respect to the horizontal plane. The screen cloth is formed by welding round steel with the diameter of 8-10mm, the sieve pores are all in a square hole structure, the sieve pores of the first-level screen are 25mm, the sieve pores of the second-level screen are 25mm, and the sieve pores of the third-level screen are 20 mm.
Wherein, 2 backs of one-level perforated tail pine net are leaned on the lower position and are equipped with shock generator I3, and 4 backs of second grade perforated tail pine net are leaned on the lower position and are equipped with shock generator II 5, and 8 backs of tertiary perforated tail pine net are leaned on the lower position and are equipped with shock generator III 9. The vibration generator is composed of a motor 16, a speed reducer 17 and a cam mechanism group 18, the motor 16 drives the speed reducer 17 to drive the cam mechanism group to rotate, so that the sieve plate net is driven to shake up and down, the motor is controlled by frequency conversion, and the speed is adjustable.
A primary fan 6 is arranged on the outer side of the lower part of the secondary sieve plate net 4, the fan is provided with a primary fan air duct 7, and the outlet of the primary fan air duct is positioned in the gap between the secondary sieve plate net and the tertiary sieve plate net; and a secondary fan 10 is arranged on the outer side of the lower part of the tertiary sieve plate mesh 8, the fan is provided with a secondary fan air duct 11, and the outlet of the secondary fan air duct is positioned in the gap between the tertiary sieve plate mesh 8 and the light material conveying belt 15. The primary fan and the secondary fan are both fixed on the ground, and are controlled by frequency conversion, so that the air quantity is adjustable.
The back of the first, second and third grade sieve plate net is provided with a lower hopper 19, and the fine organic materials enter the lower hopper 19 through the sieve mesh and fall onto the fine material conveying belt 12 below for uniform collection and transportation. The lower hopper 19 and the conveyor belt 12 form a sealed space to prevent organic materials from leaking outside.
A belt conveyor 15 for collecting light materials such as plastics and paper is arranged in front of the three-stage sieve plate net 8, and the light materials are blown onto the belt conveyor 15 under the action of wind power of the winnowing machine and self gravity, and are conveyed and packed uniformly.
In addition, a belt conveyor 14 for collecting heavy materials is longitudinally arranged below the third-stage sieve plate net 8, and materials which cannot be sieved and blown away are transported uniformly for treatment.
Furthermore, a dust-proof sealing cover 20 is arranged above the device, so that odor and dust are prevented from overflowing in the garbage disposal process.
The working principle is as follows:
pouring the aged refuse to be treated into a hopper by an excavator, allowing the material to enter a primary sieve plate net under the action of gravity, layering various substances in the aged refuse according to light weight under the action of a vibration generator, allowing fine substances to pass through sieve holes, falling into a hopper at the lower part of the primary sieve plate net, and conveying away for treatment by a belt conveyor at the lower part of the hopper; the heavy matter with large volume falls into the second-level sieve plate mesh and the third-level sieve plate mesh under the action of gravity and the vibration of a vibration generator, fine substances which are not completely separated are further screened and fall into a lower hopper, and the sorted light matter enters the third-level sieve plate mesh under the action of gravity and wind force or directly enters a light material conveyor at the lower part of the third-level sieve plate mesh; the heavy material sorting conveyer falls into the heavy material conveyer below the third-stage sieve plate net under the action of gravity. The upper part of the device is sealed, thus avoiding the effluvium and dust from overflowing in the treatment process.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the scope of the present application is to be determined by the appended claims, along with the full scope of the invention to which such claims are entitled
Variations and modifications to the above-described embodiments may also occur to those skilled in the art. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (13)
1. The utility model provides a simple and easy multistage old and rotten rubbish screening sorting unit, includes support (13), hopper (1), support (13) are fixed subaerial, support (13) top installation hopper (1), its characterized in that, be equipped with one-level sieve plate net (2), second grade sieve plate net (4) and tertiary sieve plate net (8) on hopper (1) below coplanar in proper order, each sieve plate net is placed for the horizontal plane downward sloping, mutual independence to articulate on the support.
2. A simple multistage screening and sorting device for stale refuse according to claim 1, wherein the bracket (13) is provided with a screw rod adjusting mechanism (21) which can adjust the inclination angles of the first, second and third stages of sieve plate nets.
3. A simple multistage screening and sorting device for stale refuse according to claim 2, wherein the inclination angle of the first, second and third screen meshes is 20-45 ° with respect to the horizontal plane.
4. The simple multi-stage stale refuse screening and sorting device according to claim 3, wherein the sieve plate net is welded by 8-10mm round steel, the sieve holes are all in a square hole structure, the first-stage sieve hole is 25mm, the second-stage sieve hole is 25mm, and the third-stage sieve hole is 20 mm.
5. The simple multistage screening and sorting device for stale refuse according to claim 1, wherein the first-stage screen mesh (2) is provided with a vibration generator I (3) at the lower back position, the second-stage screen mesh (4) is provided with a vibration generator II (5) at the lower back position, and the third-stage screen mesh (8) is provided with a vibration generator III (9) at the lower back position.
6. The simple multistage screening and sorting device for stale refuse according to claim 5, wherein the vibration generator is composed of a motor (16), a speed reducer (17) and a cam mechanism group (18).
7. A simple multistage screening and sorting device for stale refuse according to claim 1, wherein the lower part of the secondary sieve plate net (4) is provided with a primary fan (6) at the outside, the fan is provided with a primary fan duct (7), and the outlet of the primary fan duct is positioned at the gap between the secondary sieve plate net and the tertiary sieve plate net.
8. The simple multistage screening and sorting device for stale refuse according to claim 7, wherein the lower outer side of the tertiary sieve plate mesh (8) is provided with a secondary fan (10) which is provided with a secondary fan air duct (11), and the outlet of the secondary fan air duct is positioned in the gap between the tertiary sieve plate mesh (8) and the light material conveying belt (15).
9. The simple multistage stale refuse screening and sorting device according to claim 7 or 8, wherein the primary and secondary fans are both fixed on the ground, and the fans are controlled by frequency conversion.
10. The simple multistage stale refuse screening and sorting device according to claim 2, wherein the back parts of the first, second and third sieve plate nets are provided with lower hoppers (19), the lower parts of the first, second and third sieve plate nets are provided with fine material conveying belts (12), and the lower hoppers (19) and the conveying belts (12) form a sealed space to avoid the organic materials from leaking outside.
11. A simple multistage screening and sorting device for stale refuse according to claim 2, characterized in that a light material conveying belt (15) is arranged in front of the tertiary sieve plate net (8).
12. A simple multistage screening and sorting device for stale refuse according to claim 11, wherein a heavy material conveying belt (14) is arranged longitudinally below the tertiary sieve plate net (8).
13. A simple multistage screening and sorting apparatus for stale refuse according to claim 12 in which a dust-tight enclosure (20) is mounted above the sorting equipment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111118693.0A CN113877819A (en) | 2021-09-24 | 2021-09-24 | Simple multistage stale refuse screening and sorting device |
Applications Claiming Priority (1)
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CN202111118693.0A CN113877819A (en) | 2021-09-24 | 2021-09-24 | Simple multistage stale refuse screening and sorting device |
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CN113877819A true CN113877819A (en) | 2022-01-04 |
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CN202111118693.0A Withdrawn CN113877819A (en) | 2021-09-24 | 2021-09-24 | Simple multistage stale refuse screening and sorting device |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102407223A (en) * | 2011-10-27 | 2012-04-11 | 于波涛 | Device for screening stones from materials by washing |
CN204746869U (en) * | 2015-05-23 | 2015-11-11 | 江西信明坊食品发展有限公司 | Quick sieving mechanism of ivy gourd |
CN207914119U (en) * | 2017-12-26 | 2018-09-28 | 厦门市联谊吉源环保工程有限公司 | The Multifunctional sieve panel assembly of trajectory screening plant |
CN210847192U (en) * | 2019-10-11 | 2020-06-26 | 江西丰丰米业有限公司 | Corn production separating centrifuge |
CN211134573U (en) * | 2019-11-18 | 2020-07-31 | 东莞市山普科技有限公司 | Conveying device with screening effect |
CN211989695U (en) * | 2020-03-06 | 2020-11-24 | 山东理工职业学院 | A letter sorting equipment for rural domestic waste letter sorting |
CN212759716U (en) * | 2020-06-04 | 2021-03-23 | 郑州中意矿山机械有限公司 | Winnowing vibrating screen and building garbage treatment system |
-
2021
- 2021-09-24 CN CN202111118693.0A patent/CN113877819A/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102407223A (en) * | 2011-10-27 | 2012-04-11 | 于波涛 | Device for screening stones from materials by washing |
CN204746869U (en) * | 2015-05-23 | 2015-11-11 | 江西信明坊食品发展有限公司 | Quick sieving mechanism of ivy gourd |
CN207914119U (en) * | 2017-12-26 | 2018-09-28 | 厦门市联谊吉源环保工程有限公司 | The Multifunctional sieve panel assembly of trajectory screening plant |
CN210847192U (en) * | 2019-10-11 | 2020-06-26 | 江西丰丰米业有限公司 | Corn production separating centrifuge |
CN211134573U (en) * | 2019-11-18 | 2020-07-31 | 东莞市山普科技有限公司 | Conveying device with screening effect |
CN211989695U (en) * | 2020-03-06 | 2020-11-24 | 山东理工职业学院 | A letter sorting equipment for rural domestic waste letter sorting |
CN212759716U (en) * | 2020-06-04 | 2021-03-23 | 郑州中意矿山机械有限公司 | Winnowing vibrating screen and building garbage treatment system |
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