CN107234002A - Combination magnetic separation process for domestic rubbish disposal process - Google Patents
Combination magnetic separation process for domestic rubbish disposal process Download PDFInfo
- Publication number
- CN107234002A CN107234002A CN201710476325.0A CN201710476325A CN107234002A CN 107234002 A CN107234002 A CN 107234002A CN 201710476325 A CN201710476325 A CN 201710476325A CN 107234002 A CN107234002 A CN 107234002A
- Authority
- CN
- China
- Prior art keywords
- magnetic separation
- rubbish disposal
- domestic rubbish
- magnetisable material
- magnetic
- Prior art date
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
- B02C18/0092—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage for waste water or for garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a kind of combination magnetic separation process for domestic rubbish disposal process, including mainly includes coarse crushing, finely divided, conveyer belt magnetic separation, magnetic pulley magnetic separation, the magnetic separation of ferromagnetism adsorbent chamber, vortex flow magnetic separation and the recovery of particle sub-sieve.A kind of combination magnetic separation process for domestic rubbish disposal process described in the invention, deficiency of the prior art can be overcome, effectively simultaneously deep layer removes the non-ferrous metal and ferromagnetic metal in house refuse, also there is stronger sieving capacity to the little particle magnetisable material after broken, the standard of house refuse screening is met.
Description
Technical field
The invention belongs to technical field of domestic garbage treatment, is used for domestic rubbish disposal process more particularly, to one kind
Combination magnetic separation process.
Background technology
As national economy is fast-developing, Municipal Domestic Garbage Output sharp increase.The work of existing domestic rubbish disposal
There is no the process route that ferromagnetic metal is removed for metal removal or using part in work, concentration equipment magnetic separation effect is not
It is good, it is impossible to ferromagnetic metal and non-ferrous metal in effective screening house refuse, so that the processing band to follow-up house refuse
Carry out some drawbacks, it is impossible to meet the quality requirement of subsequent product.
Innovation and creation content
In view of this, the invention is directed to a kind of combination magnetic separation process for domestic rubbish disposal process, gram
Deficiency of the prior art is taken, effectively simultaneously deep layer removes the non-ferrous metal and ferromagnetic metal in house refuse, after broken
Little particle magnetisable material also has stronger sieving capacity, meets the quality requirement of house refuse screening.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
A kind of combination magnetic separation process for domestic rubbish disposal process, comprises the following steps：
(1) house refuse carries out coarse crushing by breaker；
(2) house refuse Jing Guo coarse crushing is subjected to fine homogeneous crushing；
(3) it will be transported to by vibrating distributor by the house refuse of fine crushing on magnetic separation conveyer belt；
(4) namagnetic substance separated after magnetic separation conveyer belt is screened by sieve plate, and large particulate matter returns to step
(2) crushing is re-started in, finely ground particle substance then enters next processing links, and magnetisable material is collected into particle screen selecting device；
(5) namagnetic substance after magnetic separation conveyer belt magnetic separation is transported in magnetic pulley and carries out further depth magnetic
Choosing, removes the magnetisable material of namagnetic substance small particles, and the magnetisable material magneticly elected is collected into particle screen selecting device, magnetic
The namagnetic substance that roller is sifted out then flows into next processing links；
(6) namagnetic substance for sifting out a upper link is transported in the concentration equipment with ferromagnetism adsorbent chamber, non-magnetic
Property material in ferromagnetism adsorbent chamber by removing the magnetisable material of residual, the namagnetic substance sifted out is collected into non magnetic recovery
In device, the magnetisable material sifted out is then collected into particle screen selecting device；
(7) namagnetic substance sieved by ferromagnetism adsorbent chamber is delivered to vortex flow concentration equipment, to nonmagnetics
Non-ferrous metal in matter carries out adsorption recovery, and the nonmetallic substance after vortex flow concentration equipment magnetic separation enters next processing ring
Section, the non-ferrous metal magneticly elected is then collected into nonferrous metals recycling device；
(8) magnetisable material produced in preceding step is carried out to the screening of granular size in particle screen selecting device, for
Magnetisable material carries out granular size classification and reclaimed.
It is preferred that, the coarse crushing equipment in step (1) uses Double-shaft shearing pulverizer, including by turning shaft-driven dynamic
Knife and stationary knife, spacing is 15-20mm between the moving knife and the stationary knife.
It is preferred that, the fine grinding equipment in step (2) uses Double-shaft shearing pulverizer, including by turning shaft-driven
Moving knife and stationary knife, spacing is 5-10mm between the moving knife and the stationary knife.
It is preferred that, the vibrating distributor in step (3) realizes cloth, vibrating distributor by driven by vibrating motors oscillating plate
Working face is 0 ° -18 ° with horizontal plane angle.
It is preferred that, it is provided with above permanent magnetism magnet drum, magnetic separation conveyer belt and also sets at the magnetic separation conveyer belt discharging mouthful in step (4)
There is permanent-magnetic iron expeller.
It is preferred that, magnet is electromagnet in the ferromagnetism adsorbent chamber in step (6).
It is preferred that, the particle screen selecting device in step (8) can be sieve plate screening or selection by winnowing.
It is preferred that, the particle screen selecting device sieves the magnetisable material of 3-5 kind granularities, preferably 3 according to granular size
Plant the magnetisable material of granularity.
Relative to prior art, the combination magnetic separation process for domestic rubbish disposal process described in the invention has
Following advantage：
(1) the combination magnetic separation process for domestic rubbish disposal process described in the invention being capable of deep layer removal life
Coloured technology and ferromagnetic material in rubbish, the setting of multi-stage magnetic separation equipment improve magnetic separation effect, it is met rubbish sieve
Division technique demand.
(2) the combination magnetic separation process for domestic rubbish disposal process described in the invention can be pressed to magnetisable material
Finely sieved according to granular size, realize that the classification of magnetisable material is recycled.
Brief description of the drawings
The accompanying drawing for constituting the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made is used to explain the invention, does not constitute the improper restriction to the invention.
In accompanying drawing：
Fig. 1 is that the combination magnetic separation process flow for domestic rubbish disposal process described in the invention embodiment is illustrated
Figure.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than indicate
Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
Describe the invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of combination magnetic separation process for domestic rubbish disposal process, comprises the following steps：
House refuse carries out coarse crushing by breaker, and coarse crushing equipment uses Double-shaft shearing pulverizer, including logical
Cross and turn shaft-driven moving knife and stationary knife, spacing is 15-20mm between the moving knife and the stationary knife, to the big part in house refuse
Object is crushed.
House refuse Jing Guo coarse crushing is subjected to fine homogeneous crushing, fine grinding equipment is crushed using Double-shaft shearing
Machine, including by turning shaft-driven moving knife and stationary knife, spacing is 5-10mm between the moving knife and the stationary knife, can be further
Some packed objects are crushed, subsequent combination magnetic separation effect is favorably improved after finely crushing.
It will be transported to by vibrating distributor by the house refuse of fine crushing on magnetic separation conveyer belt, vibrating distributor work
It is 0 ° -18 ° to make plane with horizontal plane angle, and relatively low one end is close to magnetic separation conveyer belt, and vibrating distributor is driven by vibrating motor
Dynamic oscillating plate realizes dispersed cloth, and up-down vibration while pulverized particles are conveyed on vibrating distributor, particle uniformly divides
Dissipate, contribute to rubbish pulverized particles smooth delivery of power to magnetic separation conveyer belt.
Magnetic separation conveyer belt discharging mouthful place is provided with permanent magnetism magnet drum, and magnetic separation conveyer belt top is additionally provided with permanent-magnetic iron expeller, can be with
Effectively adsorb pulverized particles top layer magnetisable material.It can also be remained inside the namagnetic substance separated after magnetic separation conveyer belt
Large particulate matter, after sieve plate is screened, large particulate matter, which is returned in device for finely crushing, re-starts crushing, small particle
Matter then enters next processing links, and the magnetisable material screened out by magnetic separation conveyer belt is collected into particle screen selecting device.
Namagnetic substance after magnetic separation conveyer belt magnetic separation is transported in magnetic pulley and carries out further depth magnetic separation,
Remove and poly- magnetosphere is set inside the magnetisable material of namagnetic substance small particles, magnetic pulley, poly- magnetosphere is used in powder
Magnetic impurity is adsorbed, and the magnetisable material magneticly elected is collected into particle screen selecting device, the nonmagnetics that magnetic pulley is sifted out
Matter then flows into next processing links.
The namagnetic substance sifted out by magnetic pulley is transported in the concentration equipment with ferromagnetism adsorbent chamber, non-magnetic
Property material pass through in ferromagnetism adsorbent chamber, remove the molecule magnetisable material of residual, the namagnetic substance sifted out is collected into
In non magnetic retracting device, the magnetisable material sifted out is then collected into particle screen selecting device.
The namagnetic substance sifted out by ferromagnetism adsorbent chamber is delivered in vortex flow concentration equipment, ferromagnetism adsorbent chamber
Magnet is electromagnet, and adsorption recovery, including aluminum products, nonferrous metal chip, print are carried out to the non-ferrous metal in namagnetic substance
Printed circuit board ash quarrel, fragments of glass containing nonferrous metal, electronic waste, many metal mixtures, cast copper (aluminium) molding sand and aluminium dross etc., process
Nonmetallic substance after vortex flow concentration equipment magnetic separation enters next processing links, and the non-ferrous metal magneticly elected is then collected into coloured
In metal collection unit.
The magnetisable material produced in preceding step is carried out to the screening of granular size in particle screen selecting device, for magnetic
Material carries out granular size classification and reclaimed, and particle screen selecting device can be sieve plate screening or selection by winnowing.The particle screen selecting device is pressed
The magnetisable material of 3-5 kind granularities is sieved according to granular size, the magnetisable material of preferably 3 kinds granularities is easy to follow-up Magnetic Materials
Qualitative classification is reclaimed.
The preferred embodiment of the invention is the foregoing is only, creation is not intended to limit the invention, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc. should be included in the invention
Protection domain within.
Claims (8)
1. the combination magnetic separation process for domestic rubbish disposal process, it is characterised in that：Comprise the following steps：
(1) house refuse carries out coarse crushing by breaker；
(2) house refuse Jing Guo coarse crushing is subjected to fine homogeneous crushing；
(3) it will be transported to by vibrating distributor by the house refuse of fine crushing on magnetic separation conveyer belt；
(4) namagnetic substance separated after magnetic separation conveyer belt is screened by sieve plate, and large particulate matter is returned in step (2)
Crushing is re-started, finely ground particle substance then enters next processing links, and magnetisable material is collected into particle screen selecting device；
(5) namagnetic substance after magnetic separation conveyer belt magnetic separation is transported in magnetic pulley and carries out further depth magnetic separation,
The magnetisable material of namagnetic substance small particles is removed, the magnetisable material magneticly elected is collected into particle screen selecting device, magnetic rolling
The namagnetic substance that shaft screen goes out then flows into next processing links；
(6) namagnetic substance for sifting out a upper link is transported in the concentration equipment with ferromagnetism adsorbent chamber, nonmagnetics
Matter is by removing the magnetisable material of residual in ferromagnetism adsorbent chamber, and the namagnetic substance sifted out is collected into non magnetic retracting device
In, the magnetisable material sifted out is then collected into particle screen selecting device；
(7) namagnetic substance sieved by ferromagnetism adsorbent chamber is delivered to vortex flow concentration equipment, in namagnetic substance
Non-ferrous metal carry out adsorption recovery, nonmetallic substance after vortex flow concentration equipment magnetic separation enters next processing links,
The non-ferrous metal magneticly elected is then collected into nonferrous metals recycling device；
(8) magnetisable material produced in preceding step is carried out to the screening of granular size in particle screen selecting device, for magnetic
Material carries out granular size classification and reclaimed.
2. the combination magnetic separation process according to claim 1 for domestic rubbish disposal process, it is characterised in that：Step
(1) coarse crushing equipment in uses Double-shaft shearing pulverizer, including by turning shaft-driven a moving knife and stationary knife, the moving knife and
Spacing is 15-20mm between the stationary knife.
3. the combination magnetic separation process according to claim 1 for domestic rubbish disposal process, it is characterised in that：Step
(2) fine grinding equipment in uses Double-shaft shearing pulverizer, including by turning shaft-driven moving knife and stationary knife, the moving knife
Spacing is 5-10mm between the stationary knife.
4. the combination magnetic separation process according to claim 1 for domestic rubbish disposal process, it is characterised in that：Step
(3) vibrating distributor in realizes cloth by driven by vibrating motors oscillating plate, and vibrating distributor working face is pressed from both sides with horizontal plane
Angle is 0 ° -18 °.
5. the combination magnetic separation process according to claim 1 for domestic rubbish disposal process, it is characterised in that：Step
(4) it is provided with the magnetic separation conveyer belt discharging mouthful in above permanent magnetism magnet drum, magnetic separation conveyer belt and is additionally provided with permanent-magnetic iron expeller.
6. the combination magnetic separation process according to claim 1 for domestic rubbish disposal process, it is characterised in that：Step
(6) magnet is electromagnet in the ferromagnetism adsorbent chamber in.
7. the combination magnetic separation process according to claim 1 for domestic rubbish disposal process, it is characterised in that：Step
(8) the particle screen selecting device in can be sieve plate screening or selection by winnowing.
8. the combination magnetic separation process according to claim 7 for domestic rubbish disposal process, it is characterised in that：Described
Grain screening plant sieves the magnetisable material of 3-5 kind granularities, the magnetisable material of preferably 3 kinds granularities according to granular size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476325.0A CN107234002B (en) | 2017-06-21 | 2017-06-21 | Combination magnetic separation process for domestic rubbish disposal process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476325.0A CN107234002B (en) | 2017-06-21 | 2017-06-21 | Combination magnetic separation process for domestic rubbish disposal process |
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| Publication Number | Publication Date |
|---|---|
| CN107234002A true CN107234002A (en) | 2017-10-10 |
| CN107234002B CN107234002B (en) | 2018-12-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710476325.0A Active CN107234002B (en) | 2017-06-21 | 2017-06-21 | Combination magnetic separation process for domestic rubbish disposal process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480365A (en) * | 2018-03-25 | 2018-09-04 | 新乡市振英机械设备有限公司 | A kind of multistage Domestic garbage treatment equipment and method |
| CN111360043A (en) * | 2020-04-21 | 2020-07-03 | 云南新昊环保科技有限公司 | Recovery and reuse process for waste metal contaminants |
| CN112246389A (en) * | 2020-08-21 | 2021-01-22 | 中国市政工程华北设计研究总院有限公司 | System suitable for soft and hard classification treatment of decoration garbage and operation method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000301023A (en) * | 1999-04-23 | 2000-10-31 | Mitsubishi Electric Corp | Method for recycling waste |
| CN102151684A (en) * | 2010-11-26 | 2011-08-17 | 宁波天地回珑再生资源科技有限公司 | Process for treating and recycling waste motor |
| CN102151685A (en) * | 2010-11-26 | 2011-08-17 | 宁波天地回珑再生资源科技有限公司 | Scrap metal recycling process |
| KR20130125574A (en) * | 2012-05-09 | 2013-11-19 | 주식회사 포스코건설 | Method for treating waste of automobile |
| CN204035180U (en) * | 2014-09-09 | 2014-12-24 | 北京建筑大学 | A kind of integrated form domestic garbage integrated separating and recycling system |
| CN204656720U (en) * | 2015-05-15 | 2015-09-23 | 肇庆市盛林再生资源有限公司 | A kind of multi-stage magnetic separation device |
| CN105195313A (en) * | 2015-08-24 | 2015-12-30 | 同济大学 | Method for recycling metal and combustibles from domestic waste incineration slag |
| CN105381881A (en) * | 2015-11-27 | 2016-03-09 | 南京佳荣再生物资回收有限公司 | Solid waste treatment device and method |
| CN106734087A (en) * | 2016-12-22 | 2017-05-31 | 宋继刚 | Metal screening installation and sorting production procedure in slag and/or house refuse |
-
2017
- 2017-06-21 CN CN201710476325.0A patent/CN107234002B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000301023A (en) * | 1999-04-23 | 2000-10-31 | Mitsubishi Electric Corp | Method for recycling waste |
| CN102151684A (en) * | 2010-11-26 | 2011-08-17 | 宁波天地回珑再生资源科技有限公司 | Process for treating and recycling waste motor |
| CN102151685A (en) * | 2010-11-26 | 2011-08-17 | 宁波天地回珑再生资源科技有限公司 | Scrap metal recycling process |
| KR20130125574A (en) * | 2012-05-09 | 2013-11-19 | 주식회사 포스코건설 | Method for treating waste of automobile |
| CN204035180U (en) * | 2014-09-09 | 2014-12-24 | 北京建筑大学 | A kind of integrated form domestic garbage integrated separating and recycling system |
| CN204656720U (en) * | 2015-05-15 | 2015-09-23 | 肇庆市盛林再生资源有限公司 | A kind of multi-stage magnetic separation device |
| CN105195313A (en) * | 2015-08-24 | 2015-12-30 | 同济大学 | Method for recycling metal and combustibles from domestic waste incineration slag |
| CN105381881A (en) * | 2015-11-27 | 2016-03-09 | 南京佳荣再生物资回收有限公司 | Solid waste treatment device and method |
| CN106734087A (en) * | 2016-12-22 | 2017-05-31 | 宋继刚 | Metal screening installation and sorting production procedure in slag and/or house refuse |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480365A (en) * | 2018-03-25 | 2018-09-04 | 新乡市振英机械设备有限公司 | A kind of multistage Domestic garbage treatment equipment and method |
| CN111360043A (en) * | 2020-04-21 | 2020-07-03 | 云南新昊环保科技有限公司 | Recovery and reuse process for waste metal contaminants |
| CN112246389A (en) * | 2020-08-21 | 2021-01-22 | 中国市政工程华北设计研究总院有限公司 | System suitable for soft and hard classification treatment of decoration garbage and operation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107234002B (en) | 2018-12-21 |
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Effective date of registration: 20191029 Address after: 300452 Binhai Huamao center-432 (trusteeship No. 039 of Tianjin qiaohui business secretary Co., Ltd.) of Tianjin Binhai New Area pilot free trade zone (central business district) Patentee after: Tianjin Investment Technology Co., Ltd Address before: 300452 No. 179, Qianjiang Road, Lingang Economic Zone, Binhai New Area, Tianjin Patentee before: Linchuan Environmental Technology (Tianjin) Co., Ltd. |