CN112246389B - System suitable for soft and hard classification treatment of decoration garbage and operation method - Google Patents
System suitable for soft and hard classification treatment of decoration garbage and operation method Download PDFInfo
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- CN112246389B CN112246389B CN202010846731.3A CN202010846731A CN112246389B CN 112246389 B CN112246389 B CN 112246389B CN 202010846731 A CN202010846731 A CN 202010846731A CN 112246389 B CN112246389 B CN 112246389B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
Abstract
The utility model provides a system suitable for soft or hard classification of fitment rubbish, includes soft material crushing sorting system and hard material crushing sorting system, soft material crushing sorting system includes low-speed breaker and magnet separator, and both connect through the conveyer, hard material crushing sorting system includes one-level breaker, one-level magnet separator, one-level screening machine, second grade screening machine, one-level air separator, eddy current sorter, second grade breaker and tertiary screening machine, and wherein, one-level breaker, one-level magnet separator, one-level screening machine, second grade screening machine, one-level air separator, second grade breaker and tertiary screening machine loop through the conveyer and connect, and the second grade magnetic separator is connected to the one-level screening machine, and the second grade air separator is connected to the second grade screening machine, and the second grade air separator is connected with tertiary screening machine through connecting eddy current sorter. The system has strong applicability and convenient maintenance, can avoid the phenomenon that the processing equipment is wound and blocked, and can effectively reduce the operation cost.
Description
Technical Field
The invention belongs to the technical field of garbage treatment, and relates to a system and an operation method suitable for soft and hard classification treatment of decoration garbage.
Background
The decoration garbage is mainly various wastes generated in the old house reconstruction and new house decoration processes, and is similar to the hard materials of concrete, bricks, lime soil, ceramics, glass, waste hardware and the like of the building garbage, and also comprises soft materials of wood blocks, wood shavings, plywood, wallpaper, broken cloth, plastics, furniture and the like. The ratio of hard materials to soft materials is about 4: 1. At present, decoration garbage is mainly treated by a treatment mode of building garbage and is subjected to mixed crushing and screening treatment, a two-broken and two-screen treatment process is usually adopted, but decoration garbage combustible materials and other impurities are high in content, a traditional building garbage sorting process needs to be improved and optimized according to the characteristics of the decoration garbage, the existing treatment system is not targeted and is weak in applicability, and due to the fact that a large number of flexible materials exist, the operation and maintenance difficulty of a process system is greatly increased, a crusher is wound, and the sorting efficiency of a screening machine is reduced frequently.
With the gradual implementation of the garbage classification policy in China, the fine management is gradually carried out, and possible conditions are provided for the classified collection and transportation of decoration garbage according to the material characteristics. At present, the intensive treatment of the garbage vein industrial parks is implemented in various places, and conditions are provided for the consumption of combustible substances and inert substances sorted from decoration garbage in the park, so that the investment of an RDF (refuse derived Fuel) workshop section is avoided, and the operation cost is effectively reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a system suitable for soft and hard classification treatment of decoration garbage, which has strong applicability and convenient maintenance, can avoid the phenomenon that treatment equipment is wound and blocked, and can effectively reduce the operation cost.
Another object of the present invention is to provide a method for operating the above system for soft and hard classification of decoration waste.
As conceived above, the technical scheme of the invention is as follows: the utility model provides a system suitable for fitment rubbish soft or hard classification handles which characterized in that: including soft material crushing sorting system and hard material crushing sorting system, soft material crushing sorting system includes low-speed breaker and magnet separator, and both connect through the conveyer, hard material crushing sorting system includes one-level breaker, one-level magnet separator, one-level screening machine, second grade screening machine, one-level air separator, eddy current sorter, second grade breaker and tertiary screening machine, wherein, one-level breaker, one-level magnet separator, one-level screening machine, second grade screening machine, one-level air separator, second grade breaker and tertiary screening machine loop through the conveyer and connect, and the second grade magnet separator is connected to the one-level screening machine, and second grade air separator is connected to the second grade screening machine, and second grade air separator is connected with tertiary screening machine through connecting eddy current sorter.
The operation method of the system suitable for soft and hard classification treatment of the decoration garbage comprises the following steps:
A. the soft material crushing step comprises: unloading the classified soft materials into a conveyor for feeding, crushing the soft materials by a low-speed crusher until the particle size is less than or equal to 200mm, and separating iron metals and combustible materials by a magnetic separator;
B. the hard material crushing step is as follows: unloading the classified hard materials into a conveyor for feeding, performing primary crushing on the hard materials through a primary crusher, simultaneously discharging, separating iron metals through a primary magnetic separator, and simultaneously separating iron metals from the hard materials
The materials after the first-stage crushing are conveyed to a first-stage sieving machine through a conveyor, the first-stage sieving machine divides the materials into light materials larger than or equal to 200mm, heavy materials larger than or equal to 200mm and undersize materials smaller than 200mm, the light materials larger than or equal to 200mm are magnetically separated by a second-stage magnetic separator to be combustible, the heavy materials larger than or equal to 200mm return to the first-stage crushing machine to be crushed again, the undersize materials smaller than 200mm enter a second-stage sieving machine, the second-stage sieving machine divides the materials into upper-layer materials of 80-200mm, middle-layer materials of 15-80mm and lower-layer materials smaller than 15mm, the upper-layer materials are separated by a second-stage winnowing machine and a vortex current separator to remove combustible materials and non-magnetic conductive metals and then enter a second-stage crushing machine, the middle-layer materials are separated by the first-stage winnowing machine to remove combustible materials and then enter the second-stage crushing machine, the lower-layer materials are separated and removed by non-available muck, the second-stage crushed materials are conveyed to a third-stage sieving machine through a belt conveyor, and the second-stage crushed materials can be divided into aggregates of 0-5mm, 5-12mm aggregate, 12-31.5mm aggregate, and > 32.5mm aggregate.
Furthermore, the low-speed crusher adopts a double-shaft cutter head low-speed crusher.
Further, the primary magnetic separator and the secondary magnetic separator adopt a suspension permanent magnetic separator.
Further, the primary crusher adopts a jaw crusher.
Further, the primary screening machine adopts a screw screening machine.
Furthermore, the secondary screening machine adopts a double-layer vibrating screen.
Furthermore, the primary air separator and the secondary air separator adopt a horizontal airflow air separator.
Further, the secondary crusher adopts a counterattack crusher.
Furthermore, the three-stage screening machine adopts a three-layer vibrating screen.
The invention has the following advantages and positive effects:
1. before treatment, the decoration garbage is classified according to soft materials and hard materials, so that the subsequent treatment process is more targeted, and the problem of winding, blocking and blocking caused by mixed treatment can be effectively avoided;
2. according to the invention, soft materials are combined with the feeding requirement of a household garbage incineration plant, two-stage crushing is simplified into single-stage crushing, the process flow is simple, and the equipment investment and the occupied area are saved;
3. the hard material treatment process provided by the invention combines the characteristics of decoration garbage on the basis of the traditional two-crushing and two-sieving processes, and adds a primary screw sieving process and an eddy current sorting process, so that the process adaptability is stronger, and the quality of sieved aggregate is improved;
4. all the processes and conveying equipment of the invention adopt a closed mode, and the peripheral environment is excellent by combining local air exhaust and gas purification;
5. the invention can furthest sort out combustible substances and metals and obtain high-quality aggregate, thereby improving the resource rate level of the project and realizing long-term stable operation.
Drawings
FIG. 1 is a schematic flow diagram of an embodiment of the invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings and specific examples.
As shown in the figure, the invention provides a system suitable for soft and hard classification treatment of decoration garbage. The soft material crushing and sorting system is composed of a low-speed crusher and a magnetic separator, and the low-speed crusher and the magnetic separator are connected through a belt conveyor or a chain plate conveyor with a hopper. Hard material crushing sorting system is by the one-level breaker, the one-level magnet separator, the one-level screening machine, the second grade screening machine, the one-level air separator, the eddy current sorter, second grade breaker and tertiary screening machine are constituteed, wherein, the one-level breaker, the one-level magnet separator, the one-level screening machine, the second grade screening machine, the one-level air separator, second grade breaker and tertiary screening machine loop through band conveyer and connect, and the one-level screening machine is connected the second grade magnet separator, the second grade air separator is connected to the second grade screening machine, the second grade air separator is connected with the tertiary screening machine through connecting the eddy current sorter.
The low-speed crusher adopts a double-shaft cutter head to crush the soft materials at a low speed until the particle size is less than or equal to 20cm, and can meet the requirement of the feeding size of a household garbage incineration system.
The primary magnetic separator and the secondary magnetic separator adopt a suspended permanent magnetic separator, and can automatically discharge the separated ferrous metals.
The primary crusher adopts a jaw crusher to coarsely crush the hard materials.
The first-stage screening machine adopts a screw screening machine, and divides materials into light materials larger than or equal to 200mm, heavy materials larger than or equal to 200mm and undersize materials smaller than 200 mm.
The secondary screening machine adopts a double-layer vibrating screen, and divides materials into 80-200mm upper-layer materials, 15-80mm middle-layer materials and lower-layer materials smaller than 15 mm.
The first-stage winnowing machine and the second-stage winnowing machine adopt a horizontal airflow winnowing machine to sort out combustible light materials.
The secondary crusher adopts a counterattack crusher.
The three-stage screening machine adopts a three-layer vibrating screen.
The operation method of the system suitable for soft and hard classification treatment of the decoration garbage comprises the following steps:
1. classification of decoration garbage: after the decoration garbage is sorted from the source or is mixed, collected and stockpiled, the decoration garbage is sorted by a manual grab bucket, and then the classified soft materials and the classified hard materials are respectively loaded.
2. A soft material crushing step: the classified soft materials are discharged into a chain plate conveyor with a hopper for feeding, are crushed by a low-speed crusher until the particle size is less than or equal to 200mm, and are magnetically separated to obtain iron metal rear materials which are mainly combustible and can be sent to a household garbage incineration plant for cooperative treatment.
3. A hard material primary crushing step: the classified hard materials are discharged into a chain plate conveyor with a hopper for feeding, the hard materials are subjected to primary crushing by a jaw crusher, and simultaneously the discharged materials are separated into iron-type metals by a primary magnetic separator;
primary screening: and conveying the materials after the first-stage crushing to a first-stage screening machine, namely a screw screening machine, by using a belt conveyor, and dividing the materials into light materials larger than or equal to 200mm, heavy materials larger than or equal to 200mm and undersize materials smaller than 200 mm. The light materials with the particle size of more than or equal to 200mm are mainly combustible after being magnetically separated by a secondary magnetic separator, the heavy materials with the particle size of more than or equal to 200mm return to a primary crusher for secondary crushing, and the undersize materials with the particle size of less than 200mm enter a secondary sieving machine subsequently;
secondary screening: and (3) conveying the materials smaller than 200mm to a double-layer vibration secondary screening machine through a belt conveyor, and separating the materials into 80-200mm upper-layer materials, 15-80mm middle-layer materials and smaller than 15mm lower-layer materials. The upper layer material is subjected to secondary air separation and eddy current air separation to remove combustible materials and non-magnetic conductor metals and then enters a secondary crusher, the middle layer material is subjected to primary air separation to remove combustible materials and then enters a secondary crushing procedure, and the lower layer material is mainly non-utilizable residue soil and is transported out for landfill or pit filling;
the 15-200mm materials can be sent to a reaction type secondary crusher through a belt conveyor to be crushed again.
And a third-stage screening step: the second-stage crushed materials are conveyed to a three-layer vibrating three-stage sieving machine through a belt conveyor, and the second-stage crushed materials can be divided into aggregates with the size of 0-5mm, aggregates with the size of 5-12mm, aggregates with the size of 12-31.5mm and aggregates with the size of more than 32.5 mm.
The process and the conveying equipment adopt the measures of sealing and local air exhaust to control the escape of dust, and adopt the cyclone and the bag-type dust remover to purify the dust-containing gas to reach the emission standard.
The above embodiments are merely typical embodiments of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the concept or principle of the present invention, which falls into the protection scope of the present invention.
Claims (9)
1. An operation method based on a soft and hard classification treatment system suitable for decoration garbage is characterized in that: the operation method is suitable for a soft and hard classification treatment system of decoration garbage, the system comprises a soft material crushing and sorting system and a hard material crushing and sorting system, the soft material crushing and sorting system comprises a low-speed crusher and a magnetic separator which are connected through a conveyor, the hard material crushing and sorting system comprises a primary crusher, a primary magnetic separator, a primary screening machine, a secondary screening machine, a primary winnowing machine, an eddy current sorting machine, a secondary crusher and a tertiary screening machine, wherein, the primary crusher, the primary magnetic separator, the primary sieving machine, the secondary sieving machine, the primary winnowing machine, the secondary crusher and the tertiary sieving machine are connected in turn by the conveyor, and the primary screening machine is connected with the secondary magnetic separator, the secondary screening machine is connected with the secondary winnowing machine, and the secondary winnowing machine is connected with the tertiary screening machine by connecting the eddy current sorting machine, and the operation method of the system comprises the following steps:
A. the soft material crushing step comprises: unloading the classified soft materials into a conveyor for feeding, crushing the soft materials by a low-speed crusher until the particle size is less than or equal to 200mm, and separating iron metals and combustible materials by a magnetic separator;
B. the hard material crushing step is as follows: the classified hard materials are discharged into a conveyor for feeding, the hard materials are subjected to primary crushing by a primary crusher, the discharged materials are separated from iron-based metals by a primary magnetic separator, meanwhile, the materials after the primary crushing are conveyed to a primary screening machine by the conveyor, the materials are divided into light materials larger than or equal to 200mm, heavy materials larger than or equal to 200mm and undersize materials smaller than 200mm, the light materials larger than or equal to 200mm are magnetically separated into combustible materials by a secondary magnetic separator, the heavy materials larger than or equal to 200mm are returned to the primary crusher for secondary crushing, the undersize materials smaller than 200mm enter a secondary screening machine, the materials are divided into upper materials of 80-200mm, middle materials of 15-80mm and lower materials smaller than 15mm by the secondary screening machine and a vortex current sorting machine, the upper materials are separated from the combustible materials and non-magnetic conductor metals and then enter a secondary crusher, the middle materials are separated from the combustible materials after being removed by the primary air separator and then enter the secondary crusher, the lower layer material is removed by shunting unusable muck, the second-stage crushed material is conveyed to a third-stage sieving machine by a belt conveyor, and the second-stage crushed material can be divided into 0-5mm aggregate, 5-12mm aggregate, 12-31.5mm aggregate and more than 32.5mm aggregate.
2. The operation method of the decoration garbage soft and hard classification processing system comprises the following steps: the low-speed crusher adopts a double-shaft cutter head low-speed crusher.
3. The operation method of the decoration garbage soft and hard classification processing system comprises the following steps: the first-stage magnetic separator and the second-stage magnetic separator adopt suspended permanent magnetic separators.
4. The operation method of the decoration garbage soft and hard classification processing system comprises the following steps: the primary crusher adopts a jaw crusher.
5. The operation method of the decoration garbage soft and hard classification processing system comprises the following steps: the primary screening machine adopts a screw screening machine.
6. The operation method of the decoration garbage soft and hard classification processing system comprises the following steps: the secondary screening machine adopts a double-layer vibrating screen.
7. The operation method of the decoration garbage soft and hard classification processing system comprises the following steps: the primary air separator and the secondary air separator adopt horizontal airflow air separators.
8. The operation method of the decoration garbage soft and hard classification processing system comprises the following steps: the secondary crusher adopts a counterattack crusher.
9. The operation method of the decoration garbage soft and hard classification processing system comprises the following steps: the three-stage screening machine adopts a three-layer vibrating screen.
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| CN113000568A (en) * | 2021-03-19 | 2021-06-22 | 天津市市政工程设计研究院 | Garbage and decoration garbage coprocessing system tears open a house |
| CN113893939B (en) * | 2021-08-19 | 2023-08-22 | 顺尔茨环保(北京)有限公司 | Scrap aluminum crushing and sorting system and method |
| CN116809213B (en) * | 2023-08-16 | 2024-03-29 | 北京鸿赢清能化工科技有限公司 | Material processing device and material processing method |
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| JP3300438B2 (en) * | 1992-11-02 | 2002-07-08 | 株式会社御池鐵工所 | Twin screw crusher |
| CN106694526A (en) * | 2017-02-15 | 2017-05-24 | 上海浦兴路桥建设工程有限公司 | Method for on-site treatment and resource utilization of architectural ornament rubbish |
| CN107234002B (en) * | 2017-06-21 | 2018-12-21 | 临川环境技术（天津）有限公司 | Combination magnetic separation process for domestic rubbish disposal process |
| CN108607671B (en) * | 2018-05-18 | 2020-06-19 | 浙江双金机械集团股份有限公司 | Dry type classification and separation method for construction waste |
| CN109482623A (en) * | 2018-12-28 | 2019-03-19 | 环创(厦门）科技股份有限公司 | Decoration garbage processing equipment |
| CN110976078A (en) * | 2019-12-03 | 2020-04-10 | 深圳市为海建材有限公司 | Resourceful treatment process for decoration waste |
| CN111318340A (en) * | 2020-02-28 | 2020-06-23 | 广东中誉物业管理有限公司 | Building decoration refuse treatment equipment |
| CN213529043U (en) * | 2020-08-21 | 2021-06-25 | 中国市政工程华北设计研究总院有限公司 | System suitable for soft or hard classification of fitment rubbish |
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