CN110560448B - Intelligent harmless treatment and resource recycling process for waste metal packaging container - Google Patents
Intelligent harmless treatment and resource recycling process for waste metal packaging container Download PDFInfo
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- 239000002184 metal Substances 0.000 title claims abstract description 67
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 67
- 239000002699 waste material Substances 0.000 title claims abstract description 47
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004064 recycling Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 39
- 239000000126 substance Substances 0.000 claims abstract description 18
- 239000002912 waste gas Substances 0.000 claims abstract description 10
- 239000002351 wastewater Substances 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 239000008188 pellet Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000006148 magnetic separator Substances 0.000 claims description 9
- 239000002923 metal particle Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000003814 drug Substances 0.000 claims description 6
- 238000006386 neutralization reaction Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000006303 photolysis reaction Methods 0.000 claims description 3
- 230000015843 photosynthesis, light reaction Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 150000002739 metals Chemical class 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 230000004224 protection Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000008187 granular material Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an intelligent harmless treatment and resource recycling process for a waste metal packaging container, which comprises the following steps: 1) Feeding; 2) Shredding; 3) Primary cleaning; 4) (ii) pellets; 5) Sorting; 6) Secondary cleaning; 7) Dehydrating; 8) Treating waste gas; 9) Circularly treating the wastewater; 10 System control. The invention carries out centralized crushing, cleaning and recycling on various dangerous packaging containers, adopts an advanced crushing technology to effectively cut materials at normal temperature, achieves the effect of reducing the volume of the materials, can control the size of the treated materials, and adopts a physical and chemical separation method to separate metals from other materials, thereby improving the recycling rate.
Description
Technical Field
The invention belongs to environment-friendly equipment for recycling waste metal barrels in the environment-friendly industry, and particularly relates to an intelligent harmless treatment and resource recycling process for waste metal packaging containers.
Background
According to the national records of dangerous wastes, waste packaging barrels generated in production and operation activities of chemical industry enterprises are HW49 other wastes, and belong to waste containers (900-41-49) containing toxic and infectious dangerous wastes. The comprehensive and comprehensive treatment planning of the waste containers is very necessary, the waste can be effectively treated through comprehensive treatment, the final waste discharge amount is reduced, the environmental pollution to the area is reduced, and the diffusion of secondary pollution is prevented.
No special complete equipment for crushing, cleaning, granulating and removing slag of waste metal barrels is available in China. Domestic waste metal bucket (including the paint kettle) recovery processing now mainly adopts artifical breakage, and is time-consuming and the size is inhomogeneous, and production efficiency is low, and sanitary condition is poor, and is serious to the human body injury. The crushed material has larger volume, lower treatment benefit and higher cost. And an incineration process is adopted, so that the smoke dust control is difficult to control, and the iron basically has no recycling value.
Disclosure of Invention
The invention aims to provide an intelligent harmless treatment and resource recycling process for waste metal packaging containers, which is used for intensively crushing, cleaning and recycling various dangerous packaging containers, adopts an advanced crushing technology, effectively cuts materials at normal temperature, achieves the effect of reducing the volume of the materials, can control the size of the treated materials, separates metals from other materials by adopting a physical and chemical separation method, and improves the recycling rate.
The invention has the technical scheme that the intelligent harmless treatment and resource recycling process for the waste metal packaging container comprises the following steps:
1) Feeding: taking the waste metal packaging container out of the temporary storage room and feeding and conveying the waste metal packaging container to one end of a metal chain plate machine of a processing workshop;
2) Shredding: the metal chain plate machine conveys the waste metal packaging container into a shredder for shredding to form a strip-shaped metal sheet;
3) First-stage cleaning: sending the strip-shaped metal sheet into a primary cleaning machine through a first conveyor for omnibearing friction cleaning, combining an auxiliary medicament for chemical neutralization, and selecting and dispensing medicament components and dosage based on the processed material components by taking an alkaline substance as a main component;
4) Pellet: sending the cleaned long-strip-shaped metal sheet into a metal granulating machine through a second conveyor, twisting the long-strip-shaped metal sheet into a granule shape, and simultaneously crushing metal, plastic and residues;
5) Sorting: sending the aggregated materials into a magnetic separator through a third conveyor, and completely separating residues from iron;
6) Secondary cleaning: placing the sorted iron into a secondary cleaning machine for roller screening through a fourth conveyor for rolling cleaning, and combining auxiliary agents for chemical neutralization, wherein the components and the dosage of the agents are selected and adjusted according to the components of the processed materials by taking alkaline substances as main materials;
7) And (3) dehydrating: feeding the cleaned materials into a dehydrator through a fifth conveyor for dehydration and iron recovery;
8) Waste gas treatment: a micro negative pressure exhaust system is arranged on the metal chain plate machine, the shredder, the primary cleaning machine, the second conveyor, the metal particle machine, the third conveyor, the magnetic separator, the fourth conveyor, the secondary cleaning machine, the fifth conveyor, the dehydrator, the processing workshop and the raw material warehouse to collect waste gas, an upper air supply and a lower air exhaust mode are adopted, and the production line is sealed by a closed cover;
9) Circularly treating the wastewater; collecting water paths are respectively arranged at the shredder, the primary cleaning machine, the metal particle machine, the secondary cleaning machine and the dehydrator and flow into a circulating water treatment system through a water path main pipe;
10 System control: each equipment adopts PLC program control, and the shredder has the automatic monitoring function of transshipping simultaneously, and each conveyer all can be along with the material condition in shredder and the metal aggregate machine, and the operation stops, and then realizes the function of flexible control to each key position of full line is arranged respectively in to the detecting head and is furnished with flat panel liquid crystal display and observes, supports networking cell-phone end real time monitoring simultaneously, and all signals are all collected the unified management and control of central control platform.
In a preferred embodiment of the present invention, the shredder, the first conveyor, the second conveyor, the metal granulator, the third conveyor, the magnetic separator, the fourth conveyor, and the fifth conveyor are all provided with water spraying points.
In a preferred embodiment of the invention, the ends of the first conveyor, the second conveyor, the third conveyor, the fourth conveyor and the fifth conveyor are provided with water receiving grooves for receiving water leaked in the conveying process and flowing into the circulating water treatment system.
In a preferred embodiment of the present invention, the exhaust gas collected in the exhaust gas treatment step is treated by UV photolysis, low temperature plasma, activated carbon adsorption or catalytic combustion.
The invention relates to an intelligent harmless treatment and resource recycling process for waste metal packaging containers, which is characterized in that various dangerous packaging containers are crushed, cleaned and recycled in a centralized manner, advanced crushing technology is adopted, materials are cut effectively at normal temperature, the volume reduction effect of the materials is achieved, the size of the treated materials is controllable, and metal is separated from other materials by adopting a physical and chemical separation method, so that the recycling rate is improved.
Drawings
FIG. 1 is a functional block diagram of a preferred embodiment of the intelligent harmless treatment and recycling process for waste metal packaging containers according to the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.
The invention relates to an intelligent harmless treatment and resource recycling process for a waste metal packaging container, which comprises the following steps as shown in figure 1:
1) Feeding: taking the waste metal packaging container out of the temporary storage room and feeding and conveying the waste metal packaging container to one end of a metal chain plate machine of a treatment workshop;
2) Shredding: the metal chain plate machine conveys the waste metal packaging container into a shredder for shredding to form a long-strip-shaped metal sheet, the cutting angle is proper, the shredded materials meet the requirements of the next recovery process, the shredder has the characteristics of low rotating speed and large torque, the efficiency is high, the energy consumption is low, the unique multifunctional design is realized, and the requirements of the shredder for an oil filter and a dangerous waste metal barrel can be met simultaneously;
3) First-stage cleaning: sending the long-strip-shaped metal sheet into a primary cleaning machine through a first conveyor, wherein the cleaning machine rotates at a variable frequency and a variable speed, the long-strip-shaped metal sheet can be cleaned in an all-around friction mode, chemical neutralization is carried out by combining an auxiliary agent, and the components and the dosage of the agent are selected and adjusted by taking an alkaline substance as a main component according to the components of a processed material;
4) Pellet: sending the cleaned long-strip-shaped metal sheet into a metal granulating machine through a second conveyor, wherein the metal granulating machine is high-speed rotating equipment, twisting the long-strip-shaped metal sheet into a dough shape, and simultaneously crushing metal, plastic and residues;
5) Sorting: the method comprises the following steps of feeding the clustered materials into a magnetic separator through a third conveyor, completely separating residues from iron, wherein the separator is an iron removal device which does not need manual intervention and automatically separates iron impurities in the materials, is suitable for a continuous operation production line, adopts a magnetic material with extremely high magnetic conductance and magnetic field energy as a permanent magnetic source after being magnetized, and can absorb the magnetic material to the surface of a magnetic area when the mixed materials flow through the surface of a magnetic drum area and freely fall down after being conveyed to a non-magnetic area, so that the effect of separating the non-magnetic materials is achieved;
6) Secondary cleaning: the sorted iron is put into a secondary cleaning machine for screening by a variable-frequency speed-regulating roller through a fourth conveyor to be subjected to rolling cleaning, the size of the metal particles after agglomeration is about 50mm, chemical neutralization is performed by combining an auxiliary medicament, medicament components and dosage are selected and adjusted by taking an alkaline substance as a main component according to the processed material components, and waste residues are automatically discharged without manual cleaning;
7) And (3) dehydrating: feeding the cleaned materials into a dehydrator through a fifth conveyor for dehydration and iron recovery;
8) Waste gas treatment: the method comprises the following steps that a micro negative pressure air draft system is arranged on a metal chain plate machine, a shredder, a primary cleaning machine, a second conveyor, a metal particle machine, a third conveyor, a magnetic separator, a fourth conveyor, a secondary cleaning machine, a fifth conveyor, a dehydrator, a treatment workshop and a raw material warehouse to collect waste gas, an upper air supply mode and a lower air draft mode are adopted, a production line is sealed by a sealed cover, the collected waste gas is treated by UV photolysis, low-temperature plasma, activated carbon adsorption or catalytic combustion, and the organic waste gas can be discharged harmlessly;
9) Circularly treating the wastewater; collecting water paths are respectively arranged at the shredder, the primary cleaning machine, the metal particle machine, the secondary cleaning machine and the dehydrator and flow into a circulating water treatment system through a water path main pipe, water spray points are arranged on the shredder, the first conveyor, the second conveyor, the metal particle machine, the third conveyor, the magnetic separator, the fourth conveyor and the fifth conveyor, water receiving grooves are arranged at the tail ends of the first conveyor, the second conveyor, the third conveyor, the fourth conveyor and the fifth conveyor and are used for receiving water leaked in the conveying process and flowing into the circulating water treatment system, the waste water can be recycled and is discharged periodically, and is finally treated by a water treatment plant, and no waste water is discharged from the whole system;
10 System control: each equipment adopts PLC program control, and the shredder has overload automatic monitoring function simultaneously, and each conveyer all can be along with the material condition in shredder and the metal aggregate machine, and operation and stop, and then realize flexible control's function to each key position of whole line is arranged respectively in to the detecting head and is furnished with flat-panel liquid crystal display and observes, supports networking cell-phone end real time monitoring simultaneously, and all signals are all collected the unified management and control of central control platform.
Each device is provided with multiple protections of machines and electric appliances, and accords with the CE standard of European Union.
The whole system is operated automatically, and only 2-3 persons are needed for field operation. The whole system is equipped with the control, can be to the all-round no dead angle control in whole workshop in the monitor room. The monitoring supports the real-time monitoring of the networked mobile phone terminal.
The whole treatment process involves water, and flame sensing is additionally arranged at the shredder, so that the fire can be extinguished in time once flame is found.
The process production line adopts a multi-stage cleaning process, and excess material collection is carried out before harmless treatment, so the water quality requirement of circulating cleaning water (cleaning agent cleaning water) used by the project production line is lower, water quality factors which possibly influence the cleaning effect in the using process of the circulating water mainly comprise COD, SS and petroleum, the water quality of cleaning wastewater of similar enterprises is similar, and the concentration of each main pollution factor in the project cleaning waste liquid is 3000mg/L of COD, 3500mg/L of SS and 50mg/L of petroleum.
According to the engineering analysis project, the daily maximum production amount of the cleaning waste liquid of the harmless treatment line of the waste iron packaging container is 37.4t, certain surplus is considered, the treatment scale of the cleaning waste liquid recycling system is 40t/d, and the requirements can be met. The project recycling system adopts an integrated sewage treatment facility and is positioned in a production workshop so as to be beneficial to collecting the cleaning waste liquid.
The harmless treatment process for the dangerous waste metal packaging barrel in the application is harmless to the dangerous waste packaging barrel by the current national environmental protection policy, and the dangerous waste metal packaging barrel is recycled through resource treatment. Dangerous waste metal packaging barrels are changed into general waste from dangerous waste (national hazardous waste directory HW 49) through treatment, and the waste steel reaches the GBT 4223-2017 standard, and then the waste steel is recycled.
The invention relates to an intelligent harmless treatment and resource recycling process for waste metal packaging containers, which is characterized in that various dangerous packaging containers are crushed, cleaned and recycled in a centralized manner, advanced crushing technology is adopted, materials are cut effectively at normal temperature, the volume reduction effect of the materials is achieved, the size of the treated materials is controllable, and metal is separated from other materials by adopting a physical and chemical separation method, so that the recycling rate is improved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be made by those skilled in the art without inventive skill in the art within the technical scope of the present invention disclosed herein should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (3)
1. An intelligent harmless treatment and resource recycling process for a waste metal packaging container is characterized in that: the method comprises the following steps:
1) Feeding: taking the waste metal packaging container out of the temporary storage room and feeding and conveying the waste metal packaging container to one end of a metal chain plate machine of a treatment workshop;
2) Shredding: the metal chain plate machine conveys the waste metal packaging container into a shredder for shredding to form a strip-shaped metal sheet;
3) First-stage cleaning: sending the strip-shaped metal sheet into a primary cleaning machine through a first conveyor for all-directional friction cleaning, combining an auxiliary medicament for chemical neutralization, selecting and adjusting the medicament components and dosage mainly based on alkaline substances according to the processed material components, and separating metal from other materials by adopting a physical and chemical separation method;
4) Pellet production: feeding the cleaned long-strip-shaped metal sheet into a metal granulating machine through a second conveyor, twisting the long-strip-shaped metal sheet into a large shape, and simultaneously crushing the metal, the plastic and the residues;
5) Sorting: sending the aggregated materials into a magnetic separator through a third conveyor, and completely separating residues from iron;
6) Secondary cleaning: placing the sorted iron into a secondary cleaning machine for roller screening through a fourth conveyor for rolling cleaning, and combining auxiliary agents for chemical neutralization, wherein the components and the dosage of the agents are selected and adjusted according to the components of the processed materials by taking alkaline substances as main materials;
7) And (3) dehydrating: feeding the cleaned materials into a dehydrator through a fifth conveyor for dehydration and iron recovery;
8) Waste gas treatment: a micro negative pressure exhaust system is arranged on the metal chain plate machine, the shredder, the primary cleaning machine, the second conveyor, the metal particle machine, the third conveyor, the magnetic separator, the fourth conveyor, the secondary cleaning machine, the fifth conveyor, the dehydrator, the processing workshop and the raw material warehouse to collect waste gas, an upper air supply and a lower air exhaust mode are adopted, and the production line is sealed by a closed cover;
9) Circularly treating the wastewater; collecting water paths are respectively arranged at the shredder, the primary cleaning machine, the metal particle machine, the secondary cleaning machine and the dehydrator and flow into a circulating water treatment system through a water path main pipe;
10 System control: each device is controlled by a PLC program, the shredder has an overload automatic monitoring function, each conveyor can run and stop along with the material condition in the shredder and the metal aggregate, so that the flexible control function is realized, the detecting heads are respectively arranged at each key part of the whole line and are provided with a flat liquid crystal display for observation, the real-time monitoring of the networked mobile phone end is supported, and all signals are collected to a central control console for unified control;
and the shredder, the first conveyor, the second conveyor, the metal particle machine, the third conveyor, the magnetic separator, the fourth conveyor and the fifth conveyor are all provided with water spraying points.
2. The intelligent harmless treatment and resource recycling process of the waste metal packaging container according to claim 1, characterized in that: and the tail ends of the first conveyor, the second conveyor, the third conveyor, the fourth conveyor and the fifth conveyor are provided with water receiving grooves for receiving water leaked in the conveying process and enabling the water to flow into a circulating water treatment system.
3. The intelligent harmless treatment and resource recycling process of the waste metal packaging container according to claim 1, characterized in that: and the waste gas collected in the waste gas treatment step is treated by UV photolysis, low-temperature plasma, activated carbon adsorption or catalytic combustion.
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| CN201910534704.XA CN110560448B (en) | 2019-06-20 | 2019-06-20 | Intelligent harmless treatment and resource recycling process for waste metal packaging container |
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| 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 |
| CN112058849B (en) * | 2020-07-09 | 2022-07-19 | 南通天地和环保科技有限公司 | Paint bucket crushing and pyrolysis treatment process |
| CN112439767A (en) * | 2020-09-21 | 2021-03-05 | 湖州金洁静脉科技有限公司 | Secondary crushing and cleaning process for waste packaging materials |
| CN112756371A (en) * | 2020-12-16 | 2021-05-07 | 天津华庆百胜能源有限公司 | Treatment process of waste metal packaging container and adsorption medium |
| CN114602941A (en) * | 2022-03-03 | 2022-06-10 | 环创(厦门）科技股份有限公司 | Broken cleaning equipment of metal packaging container |
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| CN105382019A (en) * | 2015-12-29 | 2016-03-09 | 常熟市首誉机械有限公司 | Comprehensive environment-friendly recycling and treating system for waste oil filters and metal drums |
| CN107511392A (en) * | 2017-09-19 | 2017-12-26 | 湖南万容科技股份有限公司 | A kind of electron wastes harmless disassembly and resource classification reclaimer and method |
| CN207343442U (en) * | 2017-09-19 | 2018-05-11 | 湖南万容科技股份有限公司 | A kind of electron wastes harmless disassembly and resource classification reclaimer |
| CN108656401A (en) * | 2018-04-30 | 2018-10-16 | 江苏力赛柯环保材料科技有限公司 | A kind of regenerative PET piece material manufacturing technique |
| CN108724529A (en) * | 2018-05-29 | 2018-11-02 | 无锡添源环保科技有限公司 | A kind of disposition recovery method of spent ink bucket |
| CN208894852U (en) * | 2018-09-29 | 2019-05-24 | 常熟市首誉机械有限公司 | A kind of metal drum recycling crushing washing device |
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