CN108312388A - Separator and separation method - Google Patents
Separator and separation method Download PDFInfo
- Publication number
- CN108312388A CN108312388A CN201810351481.9A CN201810351481A CN108312388A CN 108312388 A CN108312388 A CN 108312388A CN 201810351481 A CN201810351481 A CN 201810351481A CN 108312388 A CN108312388 A CN 108312388A
- Authority
- CN
- China
- Prior art keywords
- discharge port
- pvc
- luggage
- grinding device
- refrigerating plant
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0203—Separating plastics from plastics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The present invention provides a kind of separator and separation methods, are related to the technical field of harmless treatment, including shredding equipment, grinding device and refrigerating plant；It is provided on the shredding equipment and tears up feed inlet and tear up discharge port, be provided on the grinding device and crush feed hopper, the first discharge port and the second discharge port；The discharge port that tears up of the shredding equipment is connect with the crushing feed hopper of the grinding device；And the refrigerating plant freezes to material.The present invention provide separator can by the leftover bits and pieces of luggage PVC and PU detach, PVC and PU after separation are utilized, luggage leftover bits and pieces can be turned waste into wealth so again；The harmless treatment for solving luggage leftover bits and pieces, the production for reducing luggage rise this, solve the problems, such as the waste material disposal of luggage production.
Description
Technical field
The present invention relates to the technical fields of harmless treatment, more particularly, to a kind of separator and separation method.
Background technology
Bag-making industry is in large scale, and type is various.The international famous luggage production bases wherein Bai Goushi, it is reported that, in vain
There is family more than 10,000 in ditch new city luggage manufacturing and processing enterprise, produces luggage more than 700,000,000 per year, generates leftover bits and pieces rubbish up to more than 200 daily
Ton, has piled up many industrial refuse mountains.But manufacturing and processing enterprise is to follow the line of least resistance, and winter knocks down boiler when firewood burning, usually then
It directly moves roadside to and riverbed carries out open incineration, black smoke is billowing, the smell is awful.This is very serious to being polluted caused by environment,
The air quality for directly affecting periphery has also taken up many good farmlands.
Luggage leftover bits and pieces is to produce the fabric cut when luggage, belongs to high molecular material, is broadly divided into two layers：In
Layer is one layer of PVC (polyvinyl chloride) fabric, and outer layer is the fabrics such as PU (polyurethane).Both materials are widely used, and belong to oil
Chemical product, material higher price.Wanting need to be broken apart to leftover pieces progress to both MAT'L recyclings, after separation
PVC is in granular form, and PU etc. is in flocculence (polyester fiber).PVC granule is granulated, can be used for producing a variety of PVC products；It is poly-
Ester fiber also can be used for the industries such as papermaking.The dependence that can be reduced to material is recycled to leftover pieces, reduces production cost.
A moving-blade crusher used to the broken apart of luggage leftover pieces at this stage, the equipment can directly by
Two kinds of main components of luggage leftover pieces separate, but its separative efficiency is relatively low, and separating effect is general, and the dust generated
It is more.
Invention content
The purpose of the present invention is to provide separator and separation methods, and the technology to solve luggage waste material disposal is asked
Topic.
A kind of separator provided by the invention, including shredding equipment, grinding device and refrigerating plant；
Be provided with to tear up on the shredding equipment and feed inlet and tear up discharge port, be provided on the grinding device crush into
Hopper, the first discharge port and the second discharge port；The crushing for tearing up discharge port and the grinding device of the shredding equipment is fed
Bucket connection；
And the refrigerating plant freezes to material.
Further, the refrigerating plant includes nitrogen storage tank, liquid nitrogen delivery pump and the first spray nozzle；
The liquid nitrogen delivery pump is arranged on the pipeline, for conveying liquid nitrogen；
First spray nozzle is connect with the nitrogen storage tank by pipeline, for material in the crushing feed hopper
Freeze.
Further, further include the second spray nozzle, second spray nozzle is connect with the pipeline, for tearing up discharging
Material freezes at mouthful.
Further, further include deduster, the deduster is connect with second discharge port.
Further, the refrigerating plant includes transport unit and refrigeration section, and the refrigeration section is used for the transport unit system
It is cold.
Further, material receiving port and lower discharge gate are provided in the transport unit；The lower material receiving port is for receiving institute
State the material for tearing up discharge port discharge；The lower discharge gate is used to material being discharged into the crushing feed hopper.
The present invention provide separator can by the leftover bits and pieces of luggage PVC and PU detach, PVC and PU after separation are again
It is secondary to be utilized, luggage leftover bits and pieces can be turned waste into wealth in this way；The harmless treatment for solving luggage leftover bits and pieces, reduces luggage
Production rise this, solve the problems, such as luggage production waste material disposal.
The present invention also provides a kind of separation methods, include the following steps：
S1：Material is added in shredder and is torn up；
S2：Cool down to the material torn up；
S3：The material of cooling is added in pulverizer and is crushed；Pulverizer by material PVC and PU detach.
Preferably, in step s 2, cooled down to material using the method for liquid nitrogen spraying material.
Preferably, in step s3, by wind turbine by material PVC and PU detach.
Preferably, further include step S4：Pulverizer, which is removed, using deduster crushes the dust generated.
Separation method provided by the invention by reducing the temperature of material, make that PVC and PU in material be more prone to
It is detached in pulverizer, improves separative efficiency.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the separate section of separator provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the refrigerating part of separator provided in an embodiment of the present invention.
Icon：100- shredding equipments；101- tears up feed inlet；200- grinding devices；The second discharge ports of 201-；
The first discharge ports of 202-；203- crushes feed hopper；300- dedusters；400- nitrogen storage tanks；500- liquid nitrogen delivery pumps；
600- pipelines；The second spray nozzles of 700-；The first spray nozzles of 800-.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As depicted in figs. 1 and 2, a kind of separator provided by the invention, including shredding equipment 100,200 and of grinding device
Refrigerating plant；
It is provided on the shredding equipment 100 and tears up feed inlet 101 and tear up discharge port, set on the grinding device 200
It is equipped with and crushes feed hopper 203, the first discharge port 202 and the second discharge port 201；The shredding equipment 100 tear up discharge port with
The crushing feed hopper 203 of the grinding device 200 connects；
And the refrigerating plant freezes to material.
In some embodiments, when handling luggage leftover bits and pieces, luggage leftover bits and pieces is entered from feed inlet 101 is torn up
Into shredding equipment 100, after the luggage leftover bits and pieces of strip is shredded into fine grained chippings in shredding equipment 100, from tearing up discharge port
It enters in the crushing feed hopper 203 of grinding device 200, grinding device 200 crushes material, and luggage leftover bits and pieces includes
PVC (polyvinyl chloride) fabrics and PU (polyurethane) fabric；Material isolates PVC and PU in grinding device 200；Pass through gravity point
Select method, the PU of lighter weight is discharged the wind of wind turbine blowout from the first discharge port 202, and the PVC of heavier mass is from the second discharge port
201 discharges；The separation of the PVC in luggage leftover bits and pieces and PU is achieved.
On above-described embodiment basis, further, the refrigerating plant includes that nitrogen storage tank 400, liquid nitrogen are defeated
Send pump 500 and the first spray nozzle 800；
The liquid nitrogen delivery pump 500 is arranged on the pipeline 600, for conveying liquid nitrogen；
First spray nozzle 800 is connect with the nitrogen storage tank 400 by pipeline 600, for it is described crush into
Material freezes in hopper 203.
The cooling of material that refrigerating plant is used to tear up shredding equipment 100 has in the nitrogen storage tank 400 of refrigerating plant
Liquid nitrogen is transported to by pipeline 600 at the first spray nozzle 800 by a large amount of liquid nitrogen, liquid nitrogen delivery pump 500；First spray nozzle 800
Liquid nitrogen is sprayed to material, to make temperature of charge reduce.PVC can become hard and brittle under cryogenic, and PU is easier when separation
It is detached on PVC, improves separative efficiency.
Further include the second spray nozzle 700, second spray nozzle 700 further on above-described embodiment basis
It is connect with the pipeline 600, for freezing to tearing up discharge outlet material.
Second spray nozzle 700 setting is tearing up discharge outlet, when material by shredding equipment 100 tear up when, tear
Broken material is tearing up discharge outlet, sprays upper nitrogen by the second spray nozzle 700, the evaporation of nitrogen absorbs a large amount of heat, makes
Temperature of charge drastically reduces.
When material, which enters, crushes feed hopper 203, the first spray nozzle 800 sprays nitrogen to material again, makes material
Temperature reduces again；Pass through the first spray nozzle 800 in this way and 700 hydrojet nitrogen of the second spray nozzle cools down；Enable temperature of charge
Enough it is reduced to sufficiently low temperature.
Further include deduster 300 further on above-described embodiment basis, the deduster 300 and described the
Two discharge ports 201 connect.
It will produce dust when crushing separation to material, PVC is discharged from the second discharge port 201, deduster 300
The adsorbing powder dust that PVC will be followed to be discharged is conducive to keep a good working environment, and can reduce from the second discharge port
The amount of dust in the PVC of 201 discharges.
On above-described embodiment basis, further, the refrigerating plant includes transport unit and refrigeration section；The system
Cold portion is used to freeze to the transport unit.
In some embodiments, so that transport unit is maintained at lower temperature in refrigeration section, during material transmission, make
The temperature of material reduces, and when material, which enters, crushes feed hopper 203, material is reduced to certain temperature；Experiment shows this
When material be reduced to that -10 DEG C of separating effects are best, be convenient for crushing and separation of the grinding device 200 to material below.
On above-described embodiment basis, further, material receiving port and lower discharge gate are provided in the transport unit；
The lower material receiving port is used to receive the material for tearing up discharge port discharge；The lower discharge gate is used to material being discharged into the powder
Broken feed hopper 203.
In some embodiments, luggage leftover bits and pieces is entered from feed inlet 101 is torn up in shredding equipment 100 as material, is torn
Crushing device 100 tears up material, then from tear up discharge port discharge；The material of discharge is entered from upper material receiving port in transport unit,
By the transmission of transport unit, material is drained into from lower discharge gate and crushes in feed hopper 203.
The present invention provide separator can by the leftover bits and pieces of luggage PVC and PU detach, PVC and PU after separation are again
It is secondary to be utilized, luggage leftover bits and pieces can be turned waste into wealth in this way；The harmless treatment for solving luggage leftover bits and pieces, reduces luggage
Production rise this, solve the problems, such as luggage production waste material disposal.
The generally all big garbage disposal of leftover bits and pieces left after luggage production；Using luggage leftover bits and pieces as material from tear up charging
Mouth 101 is added in shredding equipment 100, and material is shredded into the material of fritter by shredding equipment 100；It is drained into from discharge port is torn up
In the crushing feed hopper 203 of grinding device 200, before material enters grinding device 200, the temperature of refrigerating plant material drops
Separation low, that PVC and PU is more prone in grinding device 200 improves separative efficiency.
By wind turbine and ventilation duct, PVC is made to be detached with PU, PU lighter weights, under the action of wind turbine, from the first discharge port
202 discharges；And PVC heavier mass, it is discharged from the second discharge port 201；Second discharge port 201 is also associated with deduster 300；Separation
The dust that PVC and PU is generated is removed by deduster 300, it is ensured that good working environment is also prevented from dust polluting environment, avoids sending out
Fecula dust explosion.
Embodiment one
A kind of separation method, includes the following steps：
S1：Material is added in shredder and is torn up；
S2：Cool down to the material torn up；
S3：The material of cooling is added in pulverizer and is crushed；Pulverizer by material PVC and PU detach.
In some embodiments, luggage leftover bits and pieces is to produce the fabric cut when luggage, belongs to high molecular material,
It is broadly divided into two layers：Inner layer is one layer of PVC (polyvinyl chloride) fabric, and outer layer is the fabrics such as PU (polyurethane)；Luggage leftover bits and pieces is made
It is handled for material；It when feed separation, first passes through shredder and tears up, the luggage leftover bits and pieces of bulk is made to be shredded into fritter object
Material；
Cool down to the material by the fritter torn up, so that the PVC in material is changed under cryogenic hard and crisp；
Efficiently PVC and PU points can be opened in this way in pulverizer.
When the application is in north use, especially northerly winter, when outdoor temperature is sufficiently low, this point
Step S2 can be saved from method.
Under cryogenic, the PVC in material is contracted thereby to become hard, and the viscosity between PU becomes smaller, it is easier to it falls off, and
Isolate does not easily cause airborne dust, is easy to collect.Experiment shows that separating effect is most when material reduces subzero 10 DEG C
It is good.
Preferably, in step s 2, cooled down to material using the method for liquid nitrogen spraying material.
After shredder tears up material, during material enters pulverizer, liquid nitrogen is sprayed onto on material,
As a large amount of heat is taken away in the evaporation of nitrogen, material is made significantly to cool down, to make PVC be in low temperature, PVC becomes hard and brittle,
PVC and PU is easier to detach.
Preferably, in step s3, by wind turbine by material PVC and PU detach.
After material crushes in pulverizer, the PU of separation is blown afloat by wind turbine, PU is made to be detached with PVC.
PU mass cannot blow afloat PVC compared to PVC lighter weights, wind turbine, first discharge port 202 rows of the PU from pulverizer
Go out, PVC is discharged from the second discharge port 201 of pulverizer.
Embodiment two
Further include step S4 on the above method：Pulverizer, which is removed, using deduster 300 crushes the dust generated.
In pulverizer comminuting matter, dust is will produce during so that PVC is detached with PU, will be crushed using deduster 300
The dust that machine generates removes, and is conducive to environmental protection, improves working environment, moreover it is possible to avoid dust explosion.
Separation method provided by the invention by reducing the temperature of material, make that PVC and PU in material be more prone to
It is detached in pulverizer, improves separative efficiency.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of separator, which is characterized in that including shredding equipment, grinding device and refrigerating plant；
It is provided on the shredding equipment and tears up feed inlet and tear up discharge port, crushing charging is provided on the grinding device
Bucket, the first discharge port and the second discharge port；The crushing feed hopper for tearing up discharge port and the grinding device of the shredding equipment
Connection；
And the refrigerating plant freezes to material.
2. separator according to claim 1, which is characterized in that the refrigerating plant includes nitrogen storage tank, liquid nitrogen
Delivery pump and the first spray nozzle；
The liquid nitrogen delivery pump is arranged on the pipeline, for conveying liquid nitrogen；
First spray nozzle is connect with the nitrogen storage tank by pipeline, for being carried out to material in the crushing feed hopper
Refrigeration.
3. separator according to claim 2, which is characterized in that further include the second spray nozzle, second spray nozzle
It is connect with the pipeline, for freezing to tearing up discharge outlet material.
4. separator according to claim 3, which is characterized in that further include deduster, the deduster and described the
Two discharge ports connect.
5. separator according to claim 1, which is characterized in that the refrigerating plant includes transport unit and refrigeration section,
The refrigeration section is used to freeze to the transport unit.
6. separator according to claim 5, material receiving port and lower discharge gate are provided in the transport unit；Under described
Material receiving port is used to receive the material for tearing up discharge port discharge；The lower discharge gate is used to material being discharged into the crushing and feed
Bucket.
7. a kind of separation method, which is characterized in that include the following steps：
S1：Material is added in shredder and is torn up；
S2：Cool down to the material torn up；
S3：The material of cooling is added in pulverizer and is crushed；Pulverizer by material PVC and PU detach.
8. separation method according to claim 7, which is characterized in that in step s 2, using the side of liquid nitrogen spraying material
Method cools down to material.
9. separation method according to claim 7, which is characterized in that in step s3, by wind turbine by the PVC in material
It is detached with PU.
10. separation method according to claim 7, which is characterized in that further include step S4：It is removed and is crushed using deduster
Machine crushes the dust generated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810351481.9A CN108312388A (en) | 2018-04-18 | 2018-04-18 | Separator and separation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810351481.9A CN108312388A (en) | 2018-04-18 | 2018-04-18 | Separator and separation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108312388A true CN108312388A (en) | 2018-07-24 |
Family
ID=62897409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810351481.9A Pending CN108312388A (en) | 2018-04-18 | 2018-04-18 | Separator and separation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108312388A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203303A (en) * | 2018-08-31 | 2019-01-15 | 安徽英冉信息咨询有限公司 | Environmentally friendly depositing dust type waste old is crushed recyclable device |
| FR3107658A1 (en) * | 2020-03-02 | 2021-09-03 | Suez Groupe | Process for separating polymeric materials from an assembly of elements |
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| CN105764661A (en) * | 2013-11-21 | 2016-07-13 | 普瑞威努公司 | Apparatus and method for separating materials of various types |
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| US4483488A (en) * | 1981-06-30 | 1984-11-20 | Air Products And Chemicals, Inc. | Method and apparatus for recovering thermoplastic from coated fabric scrap |
| JPH08168741A (en) * | 1994-12-15 | 1996-07-02 | Hitachi Ltd | Method and device for recovering foaming gas of foamed heat insulating material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203303A (en) * | 2018-08-31 | 2019-01-15 | 安徽英冉信息咨询有限公司 | Environmentally friendly depositing dust type waste old is crushed recyclable device |
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| WO2021176174A1 (en) * | 2020-03-02 | 2021-09-10 | Suez Groupe | Process for separating polymer materials from an assembly of elements |
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Application publication date: 20180724 |
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