CN109137594A - A kind of recycling technique of waste paper pulp-making tailings - Google Patents
A kind of recycling technique of waste paper pulp-making tailings Download PDFInfo
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- CN109137594A CN109137594A CN201810930346.XA CN201810930346A CN109137594A CN 109137594 A CN109137594 A CN 109137594A CN 201810930346 A CN201810930346 A CN 201810930346A CN 109137594 A CN109137594 A CN 109137594A
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- tailings
- slag
- processing
- fine slag
- paper pulp
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
Abstract
The present invention relates to a kind of recycling techniques of waste paper pulp-making tailings, comprising the following steps: separation: tailings is sorted as big and heavy slag, fine slag and tailings；The processing of big and heavy slag: the wood in big and heavy slag is separated with building waste by the mode of manual sorting, metallic iron therein isolated rear remaining waste material using iron remover is transported to near-infrared optical sorting machine that separating plastic therein is gone out and is packaged；The processing of fine slag: injection friction cleaning machine is cleaned after fine slag is mixed into fine slag slurry with water, is separated by solid-liquid separation to the fine slag slurry after the cleaning of rubbed cleaning machine, and the sediment isolated removes metal and the grains of sand therein using HC Cleaner；The processing of tailings: tailings tear up processing after be discharged into cleaning sedimentation basin be separated by solid-liquid separation, solid-state waste residue is screened out in the clear liquid isolated.The technique will not cause secondary pollution to environment, play facilitation to the economy of construction green, environmentally friendly sustainable development.
Description
Technical field
The present invention relates to field of papermaking processes more particularly to a kind of recycling techniques of waste paper pulp-making tailings.
Background technique
The waste paper of recycling can obtain after rationally handling qualified slurry for producing paper products, waste paper pulp-making process
In can generate tailings, the main component of tailings is: plastics, metal, building waste and bamboo and wood etc. utilize wastepaper pulping and papermaking sheet
Body is the process of a utilization of resources, but the tailings generated during it can cause secondary pollution to environment again, green to construction,
The economy of environmentally friendly sustainable development causes very big obstruction.
Summary of the invention
For this reason, it may be necessary to a kind of recycling technique of waste paper pulp-making tailings be provided, to solve the pollution of waste paper pulp-making tailing
Problem.
To achieve the above object, a kind of recycling technique of waste paper pulp-making tailings, including following step are inventor provided
It is rapid:
Separation: tailings is sorted as big and heavy slag, fine slag and tailings；
The processing of big and heavy slag: the wood in big and heavy slag is separated with bulk building waste by the mode of manual sorting, using removing
Metallic iron therein is isolated rear remaining waste material and is transported to near-infrared optical sorting machine by ironware goes out separating plastic therein
And be packaged, recycle nonferrous metal seperator that nonferrous metal is isolated and is packaged, heap is put into after remaining waste material tears up processing
Waste residue stockyard；
The processing of fine slag: injection hydrabrusher is cleaned after fine slag is mixed into fine slag slurry with water, clear by friction
Washing machine is cleaned, and is concentrated to the fine slag slurry after the cleaning of rubbed cleaning machine, HC Cleaner is recycled to remove wherein
Metal and the grains of sand；
The processing of tailings: it carries out cleaning and being filtered it in tailings engaging friction cleaning machine, after tailings dehydration
Into stockyard.
Further, fine slag and the mixed precipitating of water weigh slag by nonferrous metal seperator in the processing step of the fine slag
Nonferrous metal therein is isolated and is packaged.
Further, the supernatant of solid-liquid separation pumps to hydraulic pulping by water pump in the processing step of the fine slag
It is reused in machine, is mixed into fine slag slurry with fine slag.
Further, it is carried out dehydrating again after break process in the processing step of the tailings.
Further, it is granulated again by pelletizer after solid-state waste residue break process packed in the processing step of the tailings
Receive storehouse.
Further, the tailings injection rinsing sedimentation basin in the processing step of the tailings after the cleaning of rubbed cleaning machine into
Row secondary cleaning, is then separated by solid-liquid separation, and solid-state waste residue is screened out in the clear liquid isolated, and solid-state waste residue is placed in friction cleaning
Cleaned again in machine, after cleaning dehydration and be packaged to reuse.
Further, dehydration after the precipitating slag charge in the rinsing sedimentation basin is taken out by screw conveyor, then tears
Broken and heap is put into debris dump field.
Be different from the prior art, above-mentioned technical proposal have the advantages that waste paper pulp-making tailing is continuously separated into it is thick
Weight slag, fine slag and tailings are handled, and big and heavy slag, fine slag and tailings are directed to component therein respectively and are continuously divided
From reusable material is isolated from waste paper pulp-making tailing and is reused, which makes profits again
Secondary pollution will not be caused to environment with recovery process, facilitation is played to the economy of construction green, environmentally friendly sustainable development.
Detailed description of the invention
Fig. 1 is a kind of process flow chart of waste paper pulp-making tailings regeneration recovery process of the present embodiment.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Referring to Fig. 1, the present embodiment provides a kind of recycling techniques of waste paper pulp-making tailings, comprising the following steps:
Separation: tailings is sorted as big and heavy slag, fine slag and tailings, the model for the screening machine that bounces using spring screening machine
ReBal40, screen-aperture 80mm, treating capacity 12.5t/h；Tailings directly drains to bounce screen from the sieve of spring screening machine
It selects below machine, big and heavy slag in the low side of sieve, tailings, in the high-end tail of sieve, is provided with conveying below spring screening machine
Machine, for conveying big and heavy slag, fine slag, tailings.
The principle of the spring screening machine sorting is the weight according to all kinds of solid waste each components in waste paper pulp-making tailings
The difference of amount and granularity, each solid waste generate different when moving on the inclined-plane for the screening machine that bounces or bouncing with inclined-plane collision
Movement velocity and spring track and realize a kind of processing method being separated from each other.Therefore the solid on spring screening machine inclined-plane
For waste during spring, big and heavy slag, fine slag are different from the bounce motion track of tailings, thus by big and heavy slag, fine slag and tail
It is respectively delivered in next process by conveyer again after slag separation.
The processing of big and heavy slag: the wood in big and heavy slag is separated with bulk building waste by the mode of manual sorting, using removing
Ironware isolates metallic iron therein, and remaining waste material is transported in swinging screen, will during the swing in high frequency of swinging screen
Big and heavy slag dispersion.Big and heavy slag after dispersion is conveyed into infrared optics sorting machine that separating plastic therein is gone out and is packaged, infrared
The working principle of optics sorting machine is to sort according to the difference of plastics spectrum to it, specifically by infrared optics sorting machine
PLC controller controls the sorting work of the infrared optics sorting machine, the model TT-2160-04- of infrared optics sorting machine
PET, PP, PE therein are sub-elected respectively respectively and are packaged recycling by 17-1001, infrared optics sorting machine；Remaining big and heavy slag
Recycle nonferrous metal seperator that nonferrous metal is isolated and is packaged, the model ReMet1000BP of nonferrous metal seperator,
Magnetic flux is 1000Wb, belt width 1000mm, and heap is put into debris dump field, above-mentioned each process after remaining waste material break process
Between be all to be conveyed with conveyer.
The model of iron remover used in the present embodiment is RCYD-10, magnetic flux 70Wb, the belt width of iron remover
For 1000mm.
The model ZSK2500*1900 of swinging screen used in the present embodiment.
In the present embodiment, the nonferrous metal being previously mentioned is mainly the aluminum products such as pop can.
The processing of fine slag: injection hydrabrusher is cleaned after fine slag is mixed into fine slag slurry with water, and fine slag is with water
It is mixed into fine slag slurry by hydrabrusher, fine slag slurry flow Q=40T/H, fine slag slurry aqueous 50%, fine slag slurry is dense
Degree 1%~1.5%.Shredded paper, shredded paper slag and water in fine slag is mixed into fine slag slurry, the ingredient of fine slag includes paper pulp, thin
Cutting metal and the grains of sand, small plastic sheet etc..Heavier slag charge precipitates in the precipitation tank of hydrabrusher in fine slag slurry, utilizes liquid
Pressure grab claw is caught, and the nonferrous metal such as pop can therein are separated and beaten by nonferrous metal seperator by the heavy slag caught
Packet, remaining scrap heap are put into waste residue stockyard.Pulp-water dross in hydrabrusher will include paper pulp, plastics slag, metal fine crushing
Friction cleaning is carried out with the fine slag slurry injection friction cleaning machine of the grains of sand, using slanted screen to thin after the cleaning of rubbed cleaning machine
Slurry material is filtered concentration, and HC Cleaner is recycled to remove metal and the grains of sand therein.After rubbed cleaning machine cleaning
Fine slag slurry is concentrated, the mode of concentration are as follows: filtering or precipitating, in the present embodiment, using slanted screen come to fine slag slurry
It is concentrated, the slurry after concentration removes metal and the grains of sand therein, the input concentration of HC Cleaner using HC Cleaner
It is 3~4%, removes the biggish substance of the specific gravity such as metal therein and the grains of sand.The working principle of HC Cleaner is: utilizing fiber
Impurity is separated with impurity specific gravity difference, the heavy seeds such as the grains of sand and metal are sunk in tank body, and slurry will not enter sediment pot, from
And the biggish substance of the specific gravity such as metal and the grains of sand is isolated from slurry.Fine slag after rubbed cleaning machine cleaning is squeezed through spiral
Heap is put into debris dump field after press cohesion, dehydration.
In a preferred embodiment, the supernatant of solid-liquid separation is pumped to by water pump in the processing step of the fine slag
It is reused in hydrabrusher, is mixed into fine slag slurry with fine slag.
The model of hydrabrusher used in the present embodiment are as follows: ZDS86, hydrabrusher volume are 50m3, waterpower
The impeller diameter of pulper is 1950mm, sieve diameter 12mm.
The revolving speed of friction cleaning machine used in the present embodiment is 1100r/min, sieve diameter 12mm.
The model of HC Cleaner used in the present embodiment are as follows: ZSC14.
The processing of tailings: tailings well shredder is discharged into cleaning sedimentation basin progress precipitation and separation after tearing up processing, and shredder is used
It is torn up in by the bulk impurity in tailings, enter cleaning sedimentation basin progress precipitation and separation together further includes in fine slag processing step
The fine slag screened by friction cleaning machine sieve plate, the mode of separation of solid and liquid are as follows: gap precipitating, in the present embodiment, by tailings
It injects and carries out continuous precipitation separation in sedimentation basin.The heavy slag being settled out is caught with hydraulic grab, and the heavy slag caught is crushed by weight slag
Through dewaterer dehydration and into debris dump field after crusher machine, it is clear for the first time that remaining tailings is placed in progress in friction cleaning machine
It washes, is reused after entering the filtering of gravity polydisc from the water being discharged in friction cleaning machine twice.The slag charge filtered out in gravity polydisc
It being put into stockyard by heap after screw extruder dehydration, remaining tailings enters the precipitating of rinsing sedimentation basin progress again,
Precipitation slag by screw conveyor is transported to interim stockyard and hydraulic grab is caught heavy slag together using entering stockyard after broken,
Lightweight dross, which is placed in friction cleaning machine, carries out second of cleaning, and water reuses after entering polydisc filtering, and tailings is beaten through dehydration
Heap is put into stockyard after chartered plane dehydration is packaged, after crusher break process again, enter back into pelletizer granulation, final products are packaged
Plastic grain enter warehouse, the tailings of pelletizer enters stockyard after crushing.
Shredder model used in the present embodiment are as follows: ETS1600, the knife width of shredder are 40mm.
The model of hydraulic grab machine used in the present embodiment are as follows: LD5T, volume 1.5m3.
The model of heavy slag crusher used in the present embodiment are as follows: UG1600H, the sieve diameter for weighing slag crusher are
80mm。
The model of gravity polydisc used in the present embodiment are as follows: ZNP35 × 16, disk diameter are 3500mm, and mounting disc number is
16, every disk fanning strip number is 8, and installation filter area is 240m2, inlet concentration 0.8%, pulp concentration for 3%~
4%).
Crusher model UG1600H used in the present embodiment, sieve diameter 80mm.
Pelletizer model INTAREMA 2018TVEPLUS used in the present embodiment, production capacity be 1.8-2.2 tons/it is small
When, filter area: 2940cm2。
Rubbish in the waste residue stockyard is sent to be burned into garbage fired boiler, and is handled its incineration tail gas.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
Scope of patent protection of the invention.Therefore, it based on innovative idea of the invention, change that embodiment described herein is carried out and is repaired
Change, or using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it directly or indirectly will be with
Upper technical solution is used in other related technical areas, is included within scope of patent protection of the invention.
Claims (7)
1. a kind of recycling technique of waste paper pulp-making tailings, which comprises the following steps:
Separation: tailings is sorted as big and heavy slag, fine slag and tailings；
The processing of big and heavy slag: the wood in big and heavy slag is separated with bulk building waste by the mode of manual sorting, utilizes iron remover
It metallic iron therein is isolated into rear remaining waste material is transported to near-infrared optical sorting machine and separating plastic therein is gone out and beaten
Packet recycles nonferrous metal seperator that nonferrous metal is isolated and is packaged, and heap is put into waste residue after remaining waste material tears up processing
Stockyard；
The processing of fine slag: injection hydrabrusher is cleaned after fine slag is mixed into fine slag slurry with water, by friction cleaning machine
It is cleaned, the fine slag slurry after the cleaning of rubbed cleaning machine is concentrated, HC Cleaner is recycled to remove gold therein
Category and the grains of sand；
The processing of tailings: it carries out cleaning and being filtered it in tailings engaging friction cleaning machine, enter after tailings dehydration
Stockyard.
2. the recycling technique of waste paper pulp-making tailings according to claim 1, it is characterised in that: the processing of the fine slag
Nonferrous metal therein is isolated and is packaged by nonferrous metal seperator with the mixed precipitating weight slag of water by fine slag in step.
3. the recycling technique of waste paper pulp-making tailings according to claim 1, it is characterised in that: the processing of the fine slag
The supernatant of solid-liquid separation is pumped in hydrabrusher by water pump in step reuses, and is mixed into fine slag slurry with fine slag
Material.
4. the recycling technique of waste paper pulp-making tailings according to claim 1, it is characterised in that: the processing of the tailings
It is carried out dehydrating again after break process in step.
5. the recycling technique of waste paper pulp-making tailings according to claim 1, it is characterised in that: the processing of the tailings
It is granulated again by pelletizer after packed solid-state waste residue break process in step and receives storehouse.
6. the recycling technique of waste paper pulp-making tailings according to claim 1, it is characterised in that: the processing of the tailings
Tailings injection rinsing sedimentation basin in step after rubbed cleaning machine cleaning carries out secondary cleaning, is then separated by solid-liquid separation, isolates
Clear liquid in screen out solid-state waste residue, and solid-state waste residue is placed in friction cleaning machine and is cleaned again, after cleaning at dehydration
It manages and is packaged to reuse.
7. the recycling technique of waste paper pulp-making tailings according to claim 6, it is characterised in that: the rinsing sedimentation basin
In precipitating slag charge taken out by screw conveyor after dehydration, then tear up and heap be put into debris dump field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810930346.XA CN109137594B (en) | 2018-08-15 | 2018-08-15 | Recycling process of waste paper pulping tailings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810930346.XA CN109137594B (en) | 2018-08-15 | 2018-08-15 | Recycling process of waste paper pulping tailings |
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| CN109137594A true CN109137594A (en) | 2019-01-04 |
| CN109137594B CN109137594B (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810930346.XA Active CN109137594B (en) | 2018-08-15 | 2018-08-15 | Recycling process of waste paper pulping tailings |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109722929A (en) * | 2019-03-18 | 2019-05-07 | 安德里茨（中国）有限公司 | Solid state fermentation system |
| CN110142284A (en) * | 2019-05-31 | 2019-08-20 | 联盛纸业（龙海）有限公司 | A kind of waste residue removes iron dewatering process and its equipment |
| CN110409207A (en) * | 2019-08-01 | 2019-11-05 | 山鹰国际控股股份公司 | A kind of light slag recovery processing technique of waste paper |
| WO2021022693A1 (en) * | 2019-08-07 | 2021-02-11 | 山鹰国际控股股份公司 | Waste paper pulping and fine sieve tailing treatment process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109722929A (en) * | 2019-03-18 | 2019-05-07 | 安德里茨（中国）有限公司 | Solid state fermentation system |
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| CN110142284A (en) * | 2019-05-31 | 2019-08-20 | 联盛纸业（龙海）有限公司 | A kind of waste residue removes iron dewatering process and its equipment |
| CN110409207A (en) * | 2019-08-01 | 2019-11-05 | 山鹰国际控股股份公司 | A kind of light slag recovery processing technique of waste paper |
| WO2021022693A1 (en) * | 2019-08-07 | 2021-02-11 | 山鹰国际控股股份公司 | Waste paper pulping and fine sieve tailing treatment process |
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| CN109137594B (en) | 2020-10-02 |
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