CN211074344U - Crushing and cleaning line for hazardous waste plastic packaging container - Google Patents
Crushing and cleaning line for hazardous waste plastic packaging container Download PDFInfo
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- CN211074344U CN211074344U CN201921861294.1U CN201921861294U CN211074344U CN 211074344 U CN211074344 U CN 211074344U CN 201921861294 U CN201921861294 U CN 201921861294U CN 211074344 U CN211074344 U CN 211074344U
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- 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
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- 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 utility model provides a hazardous waste plastic packaging container crushing and cleaning line, which comprises a first chain plate conveyor, a shredder, a pre-washing tank, a second chain plate conveyor, a crusher, a powerful friction machine, a first rinsing groove, a first dehydrator, a third conveyor, a second rinsing groove, a second dehydrator and a storage bin which are arranged in the directions of the head end and the tail end of the crushing and cleaning line in sequence; the broken cleaning line of this hazardous waste plastic packaging container still includes the washing liquid circulation processing system who is used for this broken cleaning line including 2 transition ponds, 2 gunbarrel (pond) and 2 retrieval and utilization jar (pond), is first transition pond, second transition pond, first gunbarrel (pond), second gunbarrel (pond), first retrieval and utilization jar (pond), second retrieval and utilization jar (pond) respectively on the second drag chain conveyer is equipped with suspension type magnet separator. Has the advantages that: realizes harmless and recycling cleaning and treatment of hazardous waste plastics, and saves energy.
Description
Technical Field
The utility model discloses a belong to the useless field of handling of danger, especially relate to the broken line of washing of hazardous waste plastic packaging container.
Background
The method for treating the dangerous waste packaging container at the present stage in China is a whole-barrel cleaning and renewing process, and the whole-barrel cleaning and renewing process has the defects of incomplete cleaning, dead angles and the like, and has the limitation of incapability of treating the dangerous waste packaging container without regeneration value. At present, no special complete equipment for hazardous waste plastic packaging containers exists in China.
At present, the domestic waste plastic crushing and cleaning line does not consider the danger and complexity of media in the barrel, and is not suitable for the field of dangerous waste plastic packaging container treatment. In the process of modification granulation, a large amount of waste water and waste gas are generated, the treatment method is complicated, the waste water and the waste gas are difficult to control and need subsequent treatment, the resource and harmless treatment is not embodied, the smoke dust control is difficult to control by adopting an incineration process, and the plastic has no recycling value.
The system comprises a crushing, cleaning and dehydrating module, a modification granulation module and a packaging module, wherein the crushing, cleaning and dehydrating module is used for simply crushing, cleaning and dehydrating plastics, then the waste plastics with different physical and chemical properties are sorted out and respectively enter different modification granulation modules through screening and mixing, and the modification granulation modules need to heat and plasticize the waste plastics to regenerate new material particles, so that a large amount of waste smoke and waste are generated and need to be treated; the above treatment process is not only tedious, but also time-consuming and labor-consuming, the treatment process can generate a large amount of waste gas, waste material and waste water secondarily, the further treatment is needed, the time and the labor are more wasted, the molecules of the hot-melted waste plastic can be oxidized and carbonized, and the performance indexes of the waste plastic, such as ash content, breaking elongation and the like, can be reduced, so that the system is not reasonable.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a broken cleaning line of hazardous waste plastic packaging container has overcome traditional hazardous waste plastic packaging container and has handled not thorough problem, has realized that the washing that hazardous waste plastic packaging container handled is thorough, has guaranteed that the security of operation does the guarantee for safety in production, has realized "innoxious, resourceful" of hazardous waste packaging container simultaneously and has obvious environmental protection benefit and economic benefits.
The technical scheme of the utility model as follows:
a hazardous waste plastic packaging container crushing and cleaning line comprises a first chain plate conveyor, a shredder, a pre-washing tank, a second chain plate conveyor, a crusher, a powerful friction machine, a first rinsing groove, a first dehydrator, a third conveyor, a second rinsing groove, a second dehydrator and a storage bin which are sequentially arranged in the directions of the head end and the tail end of the crushing and cleaning line; wherein the second chain plate conveyor is provided with a suspension type magnetic separator;
the working process is as follows: the hazardous waste plastic packaging container is firstly conveyed to a shredder through the first chain plate conveyor to be shredded into long strips, the plastic shredded by the shredder enters a pre-washing tank to be washed, the washed plastic is conveyed to the shredder through the second chain plate conveyor to be shredded into plastic fragments, the second chain plate conveyor is provided with a suspension type magnetic separator, this suspension type magnet separator holds and collects including magnetic iron sheet, iron fillings etc. in with the piece, and the plastic chip after the breakage passes through rinsing in the powerful friction machine enters into first potcher, and the plastic chip after the rinsing carry to dewater in the first hydroextractor, the plastic chip after the dehydration passes through the third conveyer carries the rinsing of second time in the second potcher, and the plastic chip after the rinsing carries to dewater in the second hydroextractor, carry behind the dehydration to in the feed bin.
Furthermore, two sides of the conveying belts of the first chain scraper conveyor, the second chain scraper conveyor and the third conveyor are provided with baffle plates; a scraper is arranged on the second chain scraper conveyor, two sides of the scraper are welded on the baffle, and a certain distance exists between the bottom of the scraper and the conveying chain;
further, the magnetic strength of the suspended magnetic separator is between 600 and 800GS, preferably 650GS, and the adsorption distance is between 180 and 250mm, preferably 200 mm; the aperture of the screen mesh of the strong friction machine is between 3.5 and 8mm, preferably 5.5 mm;
the mesh openings of the first dehydrator and the second dehydrator are between 3.5 and 8.5mm, and preferably 5.5 mm;
the power of rinsing rollers of the first sedimentation tank (pool) and the second sedimentation tank (pool) is between 1 and 3KW, preferably 1.5KW, the power of slag spiral is between 2 and 2.5KW, preferably 2.2KW, and the power meter of a slag discharge scraper is between 1 and 2KW, preferably 1.5 KW;
temperature sensors and spraying devices are arranged in the shredder, the crusher and the powerful friction machine, each spraying device comprises a spray head and a water pipeline, the water pipeline is connected with a first recycling tank (pool), and a valve is arranged on the water pipeline; the spray head is aligned with the material.
The hazardous waste plastic packaging container crushing and cleaning line further comprises a cleaning liquid circulating treatment system used for the crushing and cleaning line, and the cleaning liquid circulating treatment system comprises 2 transition water pools, 2 settling tanks (pools) and 2 recycling tanks (pools), wherein the first transition water pool, the second transition water pool, the first settling tank (pool), the second settling tank (pool), the first recycling tank (pool) and the second recycling tank (pool) are respectively arranged, a water inlet of the first transition water pool is respectively connected with a water outlet of a shredder, a prewashing pool, a crusher, a first rinsing tank and a first dehydrator through pipelines, a water outlet of the first transition water pool is connected with a water inlet of the first settling tank (pool) through a pipeline and a water pump, and a water outlet of the first settling tank (pool) is connected with a water inlet of the first recycling tank (pool) through a pipeline; the water outlet of the first recycling tank (pool) is respectively connected with the water inlets of the shredder, the pre-washing pool, the crusher and the first rinsing tank through pipelines and pumps;
the first transition water tank is used for collecting wastewater discharged by the shredder, the pre-washing tank, the crusher, the first rinsing tank and the first dehydrator, the wastewater is conveyed to the first sedimentation tank (tank) through a water pump after being collected for sedimentation, the settled clear liquid enters the first recycling tank (tank), and the clear liquid in the first recycling tank (tank) is respectively conveyed to the shredder, the pre-washing tank, the crusher and the first rinsing tank through the pump for recycling;
the water inlet of the second transition water tank is respectively connected with the second rinsing tank and the water outlet of the second dehydrator through pipelines, the water outlet of the second transition water tank is connected with the water inlet of the second sedimentation tank (tank) through a pipeline and a water pump, the water outlet of the second sedimentation tank (tank) is connected with the water inlet of the second recycling tank (tank) through a pipeline, and the water outlet of the second recycling tank (tank) is connected with the water inlet of the second rinsing tank through a pipeline and a pump;
the second transition water pool is used for collecting waste water discharged by the second rinsing tank and the second dehydrator, the waste water is conveyed to the second settling tank (tank) through the water pump after being collected, the settled clear liquid enters the second recycling tank (tank), and the clear liquid in the second recycling tank (tank) is conveyed to the second rinsing tank through the pump for recycling.
A second water outlet is arranged on the second recycling tank (pool), a second water inlet is arranged on the first recycling tank (pool), and the second water outlet on the second recycling tank (pool) is connected with the second water inlet on the first recycling tank (pool) through a pipeline;
a second water inlet is arranged on the second recycling tank (pool), and the clean water pipeline is connected with the second water inlet;
valves are arranged on the pipelines; the valve type is an electromagnetic valve;
liquid level sensors are arranged in the first recycling tank (pool) and the second recycling tank (pool);
when the liquid in the first recycling tank (pool) does not reach the required amount due to evaporation or consumption in the production process, opening a valve on a second water inlet on the first recycling tank (pool) to enable the liquid in the second recycling tank (pool) to enter the first recycling tank (pool) until the liquid amount reaches the required amount; when the liquid in the second recycling tank (pool) does not reach the required amount, a valve on a second water inlet on the second recycling tank (pool) is opened, so that clean water is supplemented into the second recycling tank (pool) through a clean water pipe;
further, a sensor is arranged in the first recycling tank (pool), a second water outlet is arranged on the first recycling tank (pool), the sensor is a turbidity sensor and a pH sensor, when the water in the first recycling tank (pool) reaches a certain turbidity degree, the second water outlet is opened, and sewage is discharged into a sewage treatment system through the second water outlet and a pipeline for treatment; then the liquid in the second recycling tank (pool) is supplemented into the first recycling tank (pool), and the clean water is supplemented into the second recycling tank (pool).
Has the advantages that: the utility model discloses changed the method that traditional hazardous waste plastic packaging container handled, neither need whole cleaning method nor need the granulation method of modifying, the processing system and the method that we adopted are: through the processing system and the method, the processed plastic fragments have the same essence and size as the fragments produced by the modified granulation method, the processed fragments are clean without iron impurities, the physical processing method is adopted in the processing process, and because the high temperature reaches to the thermoplastic property, the hot melting, the calcination and the like of more than 400 ℃, waste gas and waste are not generated, the subsequent smoke treatment and the solid waste treatment are not needed, the utility model overcomes the defects of incomplete processing, narrow application range, high operational risk and the like of the traditional hazardous waste plastic packaging container, realizes the thorough cleaning and the intelligent control of the operation of the hazardous waste plastic packaging container, the operation safety is ensured, the safety production is guaranteed, the harmless and recycling treatment is achieved, and the environment-friendly benefit and the economic benefit are obvious.
The waste plastic is shredded into long strips and then is pre-cleaned, so that the long strips are better cleaned, dead angles are avoided when the waste plastic is cleaned, the iron impurities are magnetically separated out through a magnetic separator after the cleaning, the iron impurities can be collected and cannot be mixed into the waste plastic, then the screened waste plastic enters a crusher to be crushed into particles or small pieces, the particles or small pieces of waste plastic can reach the industrial recycling requirement through strong friction, rinsing, dehydration, re-rinsing and re-dehydration, and the waste water is recycled, so that the system is completely a physical treatment and cleaning method, saves time and labor, and is energy-saving and environment-friendly.
Wherein, the powerful friction machine can forcibly clean the dirt on the granular or flake waste plastics;
the baffle can prevent granular or flake waste plastics from falling on the ground; the scraper can enable granular or small-piece waste plastics on the conveying chain to be flatly paved on the conveying chain, and further enables the suspended magnetic separator to absorb and collect all iron impurities on the conveying chain.
The sensor and the spraying device in the shredder, the crusher and the strong friction machine can give an early warning when the temperature in the shredder, the crusher and the strong friction machine reaches 65 ℃, spray water for cooling, stop when the temperature reaches 85 ℃, and avoid safety accidents.
The utility model discloses a supporting washing liquid circulation processing system, adopt 2 transition ponds, 2 overhead tanks (pond) and 2 retrieval and utilization jar (pond), wherein first transition pond is to the shredder, the washing tank in advance, the breaker, first rinsing groove, first hydroextractor exhaust is collected than dirty waste water, second transition pond is collected second rinsing groove and second hydroextractor exhaust clean waste water, handle through the physics processing method who deposits respectively after the collection, reuse in retrieval and utilization jar (pond) is got back to respectively to the clear liquid after the processing, this process is energy-conserving relatively, the environmental protection.
Furthermore, the first cleaning liquid circulating treatment system (comprising a first transition water tank, a first settling tank (tank) and a first recycling tank (tank)) is more dirty than the water treated by the second cleaning liquid circulating treatment system (comprising a second transition water tank, a second settling tank (tank) and a second recycling tank (tank)), when the liquid in the first recycling tank (tank) in the first cleaning liquid circulating treatment system does not reach the required amount, the water in the second recycling tank (tank) in the second cleaning liquid circulating treatment system is replenished, and the clean water is replenished into the second recycling tank (tank). The treatment process makes full use of water, and is more energy-saving and environment-friendly.
Drawings
FIG. 1 is a flow chart of a hazardous waste plastic packaging container crushing and cleaning line;
FIG. 2 is a flow diagram of a cleaning fluid circulation treatment system;
FIG. 3 is a schematic view of a hazardous waste plastic packaging container crushing and cleaning line;
FIG. 4 is a schematic view of a second apron conveyor;
in the figure:
1. first chain scraper conveyor 2, shredder 3 and prewashing pool
4. A second chain plate conveyor 5, a suspended magnetic separator 6 and a crusher
7. A strong friction machine 8, a first rinsing groove 9 and a first dehydrator
10. A third conveyor 11, a second rinsing tank 12, a second dehydrator
13. Storage bin 14 and scraper
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The hazardous waste plastic packaging container crushing and cleaning line comprises a first chain plate conveyor 1, a shredder 2, a prewashing pool 3, a second chain plate conveyor 4, a crusher 6, a powerful friction machine 7, a first rinsing groove 8, a first dehydrator 9, a third conveyor 10, a second rinsing groove 11, a second dehydrator 12 and a storage bin 13 which are sequentially arranged in the directions of the head end and the tail end of the crushing and cleaning line; wherein, a suspension type magnetic separator 5 is arranged on the second chain plate conveyor 4;
the system comprises a first chain plate conveyor 1, a shredder 2, a prewashing tank 3, a second chain plate conveyor 4, a crusher 6, a strong friction machine 7, a first rinsing groove 8, a first dehydrator 9, a third conveyor 10, a second rinsing groove 11, a second dehydrator 12, a bin 13 and a suspended magnetic separator 5, wherein the first chain plate conveyor, the shredder 2, the prewashing tank 3, the second chain plate conveyor 4, the crusher 6, the strong friction machine 7, the first rinsing groove 8, the second dehydrator 9, the third conveyor 10, the second;
the working process is as follows: dangerous waste plastic packaging container is firstly conveyed into a shredder 2 through a first chain conveyor 1 to be shredded into long strips, the plastics shredded by the shredder 2 enter a pre-washing tank 3 to be washed, the washed plastics are conveyed into a crusher 6 through a second chain conveyor 4 to be broken into plastic fragments, a suspension type magnetic separator 5 is arranged on the second chain conveyor 4, the suspension type magnetic separator 5 sucks and collects magnetic iron sheets, scrap iron and the like contained in the fragments, the broken plastic fragments pass through a strong friction machine 7 to enter a first rinsing groove 8 for rinsing, the rinsed plastic fragments are conveyed into a first dehydrator 9 for dehydration, the dehydrated plastic fragments are conveyed into a second rinsing groove 11 through a third conveyor 10 to be rinsed for the second time, and the rinsed plastic fragments are conveyed into a second dehydrator 12 for dehydration, and is conveyed into the stock bin 13 after being dehydrated.
Further, baffle plates are arranged on two sides of the conveying belts of the first chain scraper conveyor 1, the second chain scraper conveyor 4 and the third conveyor 10; a scraper 14 is arranged on the second chain scraper conveyor, two sides of the scraper 14 are welded on the baffle, and a certain distance exists between the bottom of the scraper 14 and the conveying chain;
further, the magnetic strength of the suspended magnetic separator 5 is between 600 and 800GS, preferably 650GS, and the adsorption distance is between 180 and 250mm, preferably 200 mm; the aperture of the screen mesh of the strong friction machine 7 is between 3.5 and 8mm, preferably 5.5 mm;
the mesh openings of the first dehydrator and the second dehydrator are between 3.5 and 8.5mm, and preferably 5.5 mm;
the power of rinsing rollers of the first sedimentation tank (pool) and the second sedimentation tank (pool) is between 1 and 3KW, preferably 1.5KW, the power of slag spiral is between 2 and 2.5KW, preferably 2.2KW, and the power meter of a slag discharge scraper is between 1 and 2KW, preferably 1.5 KW;
temperature sensors and spraying devices are arranged in the shredder 2, the crusher 6 and the powerful friction machine 7, each spraying device comprises a spray head and a water pipeline, the water pipeline is connected with a first recycling tank (pool), and valves are arranged on the water pipelines; the spray head is aligned with the material.
In the broken cleaning line of above-mentioned hazardous waste plastic packaging container, adopt washing liquid circulation processing system, washing liquid circulation processing system includes: 2 transition water pools, 2 settling tanks (pools) and 2 recycling tanks (pools), namely a first transition water pool, a second transition water pool, a first settling tank (pool), a second settling tank (pool), a first recycling tank (pool) and a second recycling tank (pool);
the water inlet of the first transition water tank is respectively connected with the shredder 2, the prewashing tank 3, the crusher 6, the first rinsing tank 8 and the water outlet of the first dehydrator 9 through pipelines, the water outlet of the first transition water tank is connected with the water inlet of the first sedimentation tank (tank) through a pipeline and a water pump, and the water outlet of the first sedimentation tank (tank) is connected with the water inlet of the first reuse tank (tank) through a pipeline; the water outlet of the first recycling tank (pool) is respectively connected with the water inlets of the shredder 2, the prewashing pool 3, the crusher 6 and the first rinsing tank 8 through pipelines and pumps;
the first transition water tank is used for collecting wastewater discharged by the shredder 2, the prewashing tank 3, the crusher 6, the first rinsing tank 8 and the first dehydrator 9, the wastewater is conveyed to the first sedimentation tank (tank) through a water pump for sedimentation after being collected, the settled clear liquid enters the first recycling tank (tank), and the clear liquid in the first recycling tank (tank) is respectively conveyed to the shredder 2, the prewashing tank 3, the crusher 6 and the first rinsing tank 8 through the pump for recycling;
the water inlet of the second transition water tank is respectively connected with the water outlet of the second rinsing tank 11 and the water outlet of the second dehydrator 12 through pipelines, the water outlet of the second transition water tank is connected with the water inlet of the second sedimentation tank (tank) through a pipeline and a water pump, the water outlet of the second sedimentation tank (tank) is connected with the water inlet of the second recycling tank (tank) through a pipeline, and the water outlet of the second recycling tank (tank) is connected with the water inlet of the second rinsing tank 11 through a pipeline and a pump;
the second transition water pool is used for collecting wastewater discharged by the second rinsing tank 11 and the second dewatering machine 12, the wastewater is collected and then conveyed to the second settling tank (pool) through a water pump for settling, clear liquid after settling enters the second recycling tank (pool), and the clear liquid in the second recycling tank (pool) is conveyed to the second rinsing tank 11 through the pump for recycling.
A second water outlet is arranged on the second recycling tank (pool), a second water inlet is arranged on the first recycling tank (pool), and the second water outlet on the second recycling tank (pool) is connected with the second water inlet on the first recycling tank (pool) through a pipeline;
a second water inlet is arranged on the second recycling tank (pool), and the clean water pipeline is connected with the second water inlet;
valves are arranged on the pipelines; the valve type is an electromagnetic valve;
liquid level sensors are arranged in the first recycling tank (pool) and the second recycling tank (pool);
when the liquid in the first recycling tank (pool) does not reach the required amount due to evaporation or consumption in the production process, opening a valve on a second water inlet on the first recycling tank (pool) to enable the liquid in the second recycling tank (pool) to enter the first recycling tank (pool) until the liquid amount reaches the required amount; when the liquid in the second recycling tank (pool) does not reach the required amount, a valve on a second water inlet on the second recycling tank (pool) is opened, so that clean water is supplemented into the second recycling tank (pool) through a clean water pipe;
further, a sensor is arranged in the first recycling tank (pool), a second water outlet is arranged on the first recycling tank (pool), the sensor is a turbidity sensor and a pH sensor, when the water in the first recycling tank (pool) reaches a certain turbidity degree, the second water outlet is opened, and sewage is discharged into a sewage treatment system through the second water outlet and a pipeline for treatment; then the liquid in the second recycling tank (pool) is supplemented into the first recycling tank (pool), and the clean water is supplemented into the second recycling tank (pool).
The first embodiment is as follows:
the plastic bucket of 200L was processed, and the processing amount was 0.62 t.
The magnetic strength of the suspended magnetic separator is 650GS, and the adsorption distance is 200 mm; the aperture of the screen mesh of the strong friction machine is 5.5 mm;
the screen mesh diameters of the first dehydrator and the second dehydrator are 5.5 mm;
the power of rinsing rollers of the first sedimentation tank (pool) and the second sedimentation tank (pool) is 1.5KW, the power of a slag discharge spiral is 2.2KW, and a power meter of a slag discharge scraper is 1.5 KW;
firstly, conveying the dangerous waste plastic packaging container into a shredder 2 through a first chain plate conveyor 1 to be shredded into a long strip shape, feeding the plastic shredded by the shredder 2 into a pre-washing tank 3 to be washed, arranging a temperature sensor in the shredder, warning when the temperature reaches 65 ℃, stopping when the temperature reaches 85 ℃, and setting the shredder to reverse for 5s and pause for 5 s; plastics after the washing pass through second drag chain conveyor 4 carries and breaks into plastic fragments in the breaker 6, be equipped with suspension type magnet separator 5 on the second drag chain conveyor 4, should suspension type magnet separator 5 holds and collects including magnetic iron sheet, iron fillings etc. in with the piece, and the plastic fragments after the breakage pass through strong friction machine 7 enters into rinsing in the first rinsing groove 8, and the plastic fragments after the rinsing carry to dewater in the first hydroextractor 9, and the plastic fragments after the dehydration pass through third conveyer 10 carries to rinsing for the second time in the second rinsing groove 11, and the plastic fragments after the rinsing carry to dewater in the second hydroextractor 12, carry to after the dehydration in the feed bin 13.
The utility model discloses changed the method that traditional hazardous waste plastic packaging container handled, neither need whole cleaning method nor need the granulation method of modifying, the processing system and the method that we adopted are: through the processing system and the method, the processed plastic fragments have the same essence and size as the fragments produced by the modified granulation method, the processed fragments are clean and have no iron impurities, and the processing process does not use heat molding, hot melting, calcination and the like, so waste gas and waste are not generated, and subsequent smoke treatment and solid waste treatment are not needed, the utility model overcomes the defects of incomplete treatment, narrow application range, high operation danger and the like of the traditional hazardous waste plastic packaging container, realizes thorough cleaning and intelligent control of operation of hazardous waste plastic packaging container treatment, and ensures the safety of operation, the method guarantees safe production, achieves harmless and recycling treatment, and has obvious environmental protection benefit and economic benefit.
In the process, the first recycling tank (tank) is used for supplying water to the shredder 2, the prewashing tank 3, the crusher 6 and the first rinsing tank 8, wastewater discharged from the shredder 2, the prewashing tank 3, the crusher 6, the first rinsing tank 8 and the first dehydrator 9 is discharged into a first transition water tank, then is conveyed into the first sedimentation tank (tank) through a water pump for sedimentation, and clear liquid after sedimentation enters the first recycling tank for recycling;
the second recycling tank (pool) is used for supplying water to the second rinsing tank 11; and the wastewater discharged by the second rinsing tank 11 and the second dewatering machine 12 is discharged to a second transition water tank for collection, and is conveyed to the second sedimentation tank through a water pump after collection for sedimentation, the settled clear liquid enters the second recycling tank, and the clear liquid in the second recycling tank is conveyed to the second rinsing tank 11 for recycling through the pump.
The hazardous waste plastic packaging container crushing and cleaning system is matched with the cleaning liquid circulating treatment system, so that the process is more energy-saving and environment-friendly, the water energy is used for circulating water, and the resources are saved.
Furthermore, the first cleaning liquid circulating treatment system (comprising a first transition water tank, a first settling tank (tank) and a first recycling tank (tank)) is more dirty than the water treated by the second cleaning liquid circulating treatment system (comprising a second transition water tank, a second settling tank (tank) and a second recycling tank (tank)), when the liquid in the first recycling tank (tank) in the first cleaning liquid circulating treatment system does not reach the required amount, the water in the second recycling tank (tank) in the second cleaning liquid circulating treatment system is replenished, and the clean water is replenished into the second recycling tank (tank). The treatment process makes full use of water, and is more energy-saving and environment-friendly.
Example 2:
treating a 200L plastic barrel, wherein the treatment quantity is 0.21t, the production time is 3h10min, the output quantity is 0.16t, the average power consumption is 270.95Kwh/t, and the slag tapping rate is 23.81%;
example 3:
the treatment quantity of the ton barrel for treating D1000L is 0.632t, the production time is 45min, the output quantity is 0.333t, the average power consumption is 64.45Kwh/t, and the slag yield is 47.31%.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (9)
1. Broken washing line of hazardous waste plastic packaging container, its characterized in that: the high-efficiency washing line comprises a first chain plate conveyor (1), a shredder (2), a prewashing pool (3), a second chain plate conveyor (4), a crusher (6), a high-power friction machine (7), a first rinsing groove (8), a first dehydrator (9), a third conveyor (10), a second rinsing groove (11), a second dehydrator (12) and a storage bin (13) which are arranged in the directions of the head end and the tail end of the crushing and washing line in.
2. The hazardous waste plastic packaging container crushing and cleaning line of claim 1, wherein: a suspension type magnetic separator (5) is arranged on the second chain plate conveyor (4).
3. The hazardous waste plastic packaging container crushing and cleaning line of claim 2, wherein: two sides of the conveying belts of the first chain scraper conveyor (1), the second chain scraper conveyor (4) and the third conveyor (10) are provided with baffle plates; and a scraper (14) is arranged on the second chain scraper conveyor, two sides of the scraper (14) are welded on the baffle, and a certain distance exists between the bottom of the scraper (14) and the conveying chain.
4. The hazardous waste plastic packaging container crushing and cleaning line of claim 3, wherein: temperature sensors and spraying devices are arranged in the shredder, the crusher and the powerful friction machine, each spraying device comprises a spray head and a water conveying pipeline, the water conveying pipeline is connected with the first recycling tank, and a valve is arranged on the water conveying pipeline; the spray head is aligned with the material.
5. The hazardous waste plastic packaging container breakage cleaning line of claim 2 or 3 or 4, wherein: the magnetic strength of the suspension type magnetic separator is between 600 and 800GS, and the adsorption distance is between 180 and 250 mm; the aperture of the screen mesh of the strong friction machine is between 3.5 and 8 mm; the screen mesh diameters of the first dehydrator and the second dehydrator are between 3.5 mm and 8.5 mm.
6. The hazardous waste plastic packaging container crushing and cleaning line of claim 1, wherein: the cleaning solution circulating treatment system is also arranged, and the main steps are as follows:
the system comprises two transition water tanks, 2 settling tanks and 2 recycling tanks, wherein the two transition water tanks are respectively a first transition water tank, a second transition water tank, a first settling tank, a second settling tank, a first recycling tank and a second recycling tank;
the water inlet of the first transition water tank is respectively connected with the shredder (2), the prewashing tank (3), the crusher (6), the first rinsing tank (8) and the water outlet of the first dehydrator (9) through pipelines, the water outlet of the first transition water tank is connected with the water inlet of the first sedimentation tank through a pipeline and a water pump, and the water outlet of the first sedimentation tank is connected with the water inlet of the first reuse tank through a pipeline; the water outlet of the first recycling tank is respectively connected with the water inlets of the shredder (2), the prewashing pool (3), the crusher (6) and the first rinsing tank (8) through pipelines and pumps;
the first transition water tank is used for collecting wastewater discharged by the shredder (2), the prewashing tank (3), the crusher (6), the first rinsing tank (8) and the first dehydrator (9), the wastewater is collected and then conveyed to the first sedimentation tank through a water pump for sedimentation, the settled clear liquid enters the first recycling tank, and the clear liquid in the first recycling tank is respectively conveyed to the shredder (2), the prewashing tank (3), the crusher (6) and the first rinsing tank (8) through the pump for recycling;
the water inlet of the second transition water tank is respectively connected with the water outlet of the second rinsing tank (11) and the water outlet of the second dewatering machine (12) through pipelines, the water outlet of the second transition water tank is connected with the water inlet of the second sedimentation tank through a pipeline and a water pump, the water outlet of the second sedimentation tank is connected with the water inlet of the second recycling tank through a pipeline, and the water outlet of the second recycling tank is connected with the water inlet of the second rinsing tank (11) through a pipeline and a pump;
the second transition water pool is used for collecting waste water discharged by a second rinsing tank (11) and a second dewatering machine (12), the waste water is collected and then conveyed to the second settling tank through a water pump for settling, clear liquid after settling enters the second recycling tank, and the clear liquid in the second recycling tank is conveyed to the second rinsing tank (11) through the pump for recycling.
7. The hazardous waste plastic packaging container crushing and cleaning line of claim 6, wherein: the second water outlet is arranged on the second recycling tank, the second water inlet is arranged on the first recycling tank, and the second water outlet on the second recycling tank is connected with the second water inlet on the first recycling tank through a pipeline;
and a second water inlet is formed in the second recycling tank, and the clean water pipeline is connected with the second water inlet.
8. The hazardous waste plastic packaging container crushing and cleaning line of claim 7, wherein: and liquid level sensors are arranged in the first recycling tank and the second recycling tank.
9. The hazardous waste plastic packaging container breakage cleaning line of claim 6 or 7 or 8, wherein:
a sensor is arranged in the first recycling tank, the sensor is a turbidity sensor and a PH sensor, a second water outlet is arranged on the first recycling tank, when the water in the first recycling tank reaches a certain degree of turbidity, the second water outlet is opened, and sewage is discharged into a sewage treatment system through the second water outlet and a pipeline for treatment; then the liquid in the second recycling tank is supplemented into the first recycling tank, and the clear water is supplemented into the second recycling tank.
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| CN201921861294.1U CN211074344U (en) | 2019-10-31 | 2019-10-31 | Crushing and cleaning line for hazardous waste plastic packaging container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682473A (en) * | 2019-10-31 | 2020-01-14 | 天津绿展环保科技有限公司 | Crushing and cleaning system and process for hazardous waste plastic packaging container |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682473A (en) * | 2019-10-31 | 2020-01-14 | 天津绿展环保科技有限公司 | Crushing and cleaning system and process for hazardous waste plastic packaging container |
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