CN110560448A - 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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- CN110560448A CN110560448A CN201910534704.XA CN201910534704A CN110560448A CN 110560448 A CN110560448 A CN 110560448A CN 201910534704 A CN201910534704 A CN 201910534704A CN 110560448 A CN110560448 A CN 110560448A
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- machine
- packaging container
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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 48
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004064 recycling Methods 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 title claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000000126 substance Substances 0.000 claims abstract description 17
- 239000002912 waste gas Substances 0.000 claims abstract description 10
- 239000002351 wastewater Substances 0.000 claims abstract description 7
- 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 10
- 238000012544 monitoring process Methods 0.000 claims description 10
- 239000006148 magnetic separator Substances 0.000 claims description 9
- 239000002923 metal particle Substances 0.000 claims description 9
- 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
- 238000012545 processing Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 230000006855 networking Effects 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
- 239000008187 granular material Substances 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 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000926 separation method 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
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000007921 spray 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
- 230000004931 aggregating effect Effects 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
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- 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) first-stage cleaning; 4) (ii) pellets; 5) sorting; 6) secondary cleaning; 7) dehydrating; 8) treating waste gas; 9) circularly treating the wastewater; 10) and (5) controlling the system. 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.
In China, no special complete equipment for crushing, cleaning, aggregating and removing slag of waste metal barrels is available. Domestic waste metal bucket (including the paint kettle) recovery processing 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 the burning process is adopted, the control of smoke dust 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, effectively cutting materials at normal temperature by adopting an advanced crushing technology to achieve the effect of reducing the volume of the materials, controlling the size of the treated materials, separating metals from other materials by adopting a physical and chemical separation method and improving 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) And (3) 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 provided with water spray 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 processing 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 granular materials are sent into a magnetic separator through a third conveyor to separate the residues from iron completely, the separator is an iron removal device which does not need manual intervention and can automatically separate iron impurities in the materials, and is suitable for a continuous operation production line;
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: a micro negative pressure exhaust 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 and a lower air exhaust mode are adopted, a production line is sealed by a closed cover, the collected waste gas is treated by UV photolysis, low-temperature plasma, activated carbon adsorption or catalytic combustion, and 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) And (3) 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.
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 monitoring, and the whole workshop can be monitored in an all-round and dead-angle-free mode in a monitoring room. The monitoring supports the real-time monitoring of the networking 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 materials are collected 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 circulating water mainly comprise COD, SS and petroleum, and the concentration of each main pollution factor in the project cleaning waste liquid is COD3000mg/L, SS3500mg/L and petroleum 50mg/L compared with the water quality of cleaning waste water of the same type of enterprises.
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 requirement 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 HW49) 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 embodiment 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 work within the technical scope of the present invention disclosed herein are intended to be covered by 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 (4)
1. The intelligent harmless treatment and resource recycling process of the waste metal packaging container is characterized by comprising the following steps of: 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 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) and (3) 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.
2. the intelligent harmless treatment and resource recycling process of the waste metal packaging container according to claim 1, which is characterized in that: 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.
3. the intelligent harmless treatment and resource recycling process of the waste metal packaging container according to claim 1, which is 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.
4. the intelligent harmless treatment and resource recycling process of the waste metal packaging container according to claim 1, which is 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534704.XA CN110560448B (en) | 2019-06-20 | 2019-06-20 | Intelligent harmless treatment and resource recycling process for waste metal packaging container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN110560448A true CN110560448A (en) | 2019-12-13 |
| CN110560448B CN110560448B (en) | 2022-11-01 |
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Cited By (6)
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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 |
| CN112058849A (en) * | 2020-07-09 | 2020-12-11 | 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 |
| CN112934929A (en) * | 2021-04-07 | 2021-06-11 | 刘彦昌 | Processing method and processing system for full-automatic recycling of hazardous waste |
| 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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| 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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| Publication number | Publication date |
|---|---|
| CN110560448B (en) | 2022-11-01 |
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