CN211386273U

CN211386273U - Hazardous waste recycling comprehensive treatment system adopting electric arc furnace

Info

Publication number: CN211386273U
Application number: CN201922286361.8U
Authority: CN
Inventors: 杨殿才; 高彦臣; 徐金光
Original assignee: Qingdao Wanlong High Tech Group Co ltd
Current assignee: Qingdao Wanlong High Tech Group Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-01
Anticipated expiration: 2029-12-18

Abstract

The utility model provides an adopt useless resourceful integrated processing system of danger of electric arc furnace, including the useless raw materials storage device danger useless raw materials preprocessing device of danger, smelt and cast the device, with smelt the flue gas processing apparatus etc. of being connected with the casting device. The processing system is used for sorting dangerous waste raw materials, pretreating, pressing into blocks and then sending the blocks into a smelting and casting device for smelting. The utility model provides a processing system not only can realize the high-efficient innocent treatment of the useless raw materials of danger, can also produce the casting product of high added value, still carries out the active treatment to the flue gas that produces in the casting process simultaneously, has finally realized the resourceful integrated processing of the useless raw materials of danger. The treatment system has a very wide application prospect in the field of hazardous waste recycling treatment.

Description

Hazardous waste recycling comprehensive treatment system adopting electric arc furnace

Technical Field

The utility model belongs to the useless resourceful treatment field of danger especially relates to an adopt useless resourceful integrated processing device of danger of electric arc furnace.

Background

In recent years, with the continuous development of industries such as paint, coating and the like in China, a large number of waste steel packaging barrels are generated, and the inner walls of the waste oil barrels and the paint barrels are provided with a layer of oil films or paint films. According to records in national hazardous waste directory (revision manuscript), waste oil buckets belong to HW08, and waste paint buckets belong to HW 12. In the processes of storage, transportation and resource utilization of the waste paint bucket, due to the release of VOC (volatile organic compounds), the explosion is easily caused by improper operation, and meanwhile, benzene substances in the VOC can also pose a threat to human health.

At present, most of the existing waste paint bucket treatment processes adopt rotary kiln incineration disposal methods and equipment, but the methods have the defects of large land space occupation, secondary pollution risk, high environmental protection supervision difficulty and the like, and the methods do not well solve the problem of hazardous waste, so that an environment-friendly and low-cost comprehensive recycling treatment system for waste oil buckets and waste paint buckets is developed, and the method is a problem to be solved urgently for technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that above-mentioned prior art exists, provide an adopt useless resourceful integrated processing system of danger of electric arc furnace, this processing system can realize the innocent treatment of the useless raw materials of danger, can refine the recovery with the valuable metal wherein again, can also prepare the casting product that obtains the high added value and carry out innocent treatment to the flue gas that produces in the smelting process simultaneously, has finally improved the utilization of resources efficiency, has reduced the cost of handling.

In order to achieve the above object, the utility model discloses a technical scheme be:

the hazardous waste recycling comprehensive treatment system adopting the electric arc furnace comprises a hazardous waste raw material pretreatment device, a smelting and casting device and a flue gas treatment device connected with the smelting and casting device;

the smelting and casting device comprises a preheating unit for heating the hazardous waste raw materials to 700-900 ℃, a charging unit connected with a discharge port of the preheating unit, an electric arc furnace communicated with a discharge port of the charging unit, and a tapping unit arranged below the electric arc furnace.

The electric arc furnace includes the furnace body, the buggy mouth of blowing has been seted up to the side of furnace body, the furnace body bottom is seted up there is oxygen to blow the mouth, the bottom below of furnace body is equipped with and links to each other and be used for rotating bottom the furnace body the unit of fascinating of furnace body, the electric arc furnace is still including being used for opening or closing furnace body top open-ended water-cooling bell and being used for going up and down the bell of water-cooling bell goes up and down the rotatory unit.

Preferably, the two sides below the bottom of the furnace body are provided with connecting supports, and the furnace body is connected with the furnace tilting unit of the furnace body through the connecting supports.

Preferably, the flue gas treatment device comprises a flue gas pipeline communicated with the raw material smelting and casting device and used for removing NOx, SOx and smoke dust and collecting Zn₂O first flue gas treatment device, and smelting and casting with the raw materialAnd the closed cover of the device is communicated with the exhaust port of the roof cover, and the second flue gas treatment device is used for removing smoke dust.

Preferably, the first flue gas treatment device comprises a water-cooled sleeve connected with an exhaust port of the electric arc furnace, a combustion chamber communicated with an air outlet of the water-cooled sleeve, an SNCR denitration device communicated with an air outlet of the combustion chamber, a quenching device communicated with an air outlet of the SNCR denitration device, a dry deacidification device communicated with an air outlet of the quenching device, a dust removal device communicated with an air outlet of the dry deacidification device, an active carbon device communicated with an air outlet of the dust removal device, and Zn communicated with an air outlet of the active carbon device₂O smoke collecting device and Zn₂And the discharge chimney is communicated with the smoke dust collecting device.

Preferably, the second flue gas treatment device comprises a gas mixing chamber communicated with the air outlets of the closed cover and the roof cover, a pulse bag-type dust remover communicated with the air outlet of the gas mixing chamber, and a discharge chimney communicated with the air outlet of the pulse bag-type dust remover.

Preferably, still including being used for saving the useless storage device of the useless raw materials of danger and being used for right before the useless raw materials preprocessing device of danger the useless sorting unit of danger that the raw materials of danger classified, useless raw materials preprocessing device of danger and smelt and still including the packaging unit who is used for packing the useless raw materials of danger between the device of casting to prevent the gaseous escape of VOC of the useless raw materials of danger.

Preferably, still including the grabbing device that is used for snatching the useless raw materials of danger and the conveyer of the useless raw materials of danger that the transportation snatched between useless sorting unit of danger and the useless raw materials preprocessing device of danger, grabbing device is full-automatic material machine of grabbing, conveyer is rail transport car.

Preferably, the hazardous waste raw material pretreatment device is a briquetting and packaging machine for briquetting the hazardous waste raw materials, and the briquetting and packaging machine is a full-automatic briquetting and packaging machine or a semi-automatic briquetting and packaging machine;

the smelting and casting device further comprises a transformer chamber, a short net system connected with the low-voltage side of the transformer chamber in series, an electrode lifting mechanism connected with the short net system in series, and a water cooling system arranged below the short net system.

Preferably, the sorting device is a belt conveyor and a grate.

Preferably, the hazardous waste raw material is a metal packaging barrel, and the metal packaging barrel comprises a waste oil barrel and a waste paint barrel;

the waste oil barrel comprises a lubricating oil barrel, a hydraulic oil barrel, a gasoline barrel or a diesel oil barrel, and the waste paint barrel is a paint barrel or a paint barrel.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the utility model provides a complete dangerous useless resourceful comprehensive utilization processing system of a set of system not only can realize the innocent treatment of dangerous useless raw materials, still have simultaneously that treatment effeciency is high, the raw materials utilization ratio is high concurrently, recovery efficiency is good, practice thrift the energy consumption, do not produce characteristics such as secondary pollution, the utility model discloses supporting facility is complete, simple to operate, degree of automation is high;

2. the utility model provides a high main appearance of processing system treatment efficiency is: the treatment system is provided with a complete resource comprehensive utilization system, and hazardous waste raw materials are subjected to multiple steps of storage, sorting, transportation, pretreatment, smelting, finished product casting, flue gas treatment and the like, so that a set of standardized process for resource treatment of the hazardous waste raw materials is formed, and the high-efficiency treatment of the hazardous waste raw materials is really realized;

3. the utility model provides a high main body of processing system utilization of raw materials appears: (1) the treatment system fully burns organic matters and combustible components in the hazardous waste raw materials, and prepares casting products (such as molten iron for casting, molten steel for casting and the like) with high added values by adding auxiliary materials (such as ferroalloy, flux or carburant and the like) and oxygen into the furnace; (2) substances such as steel slag and the like generated in the process of burning hazardous waste raw materials by the treatment system are conveyed to places such as a cement plant and the like for subsequent deep processing and utilization, a large amount of land is not required to be occupied for landfill, and the risk of secondary pollution is avoided; (3) the processing system is additionally provided with a packaging unit, and a hazardous waste raw material subjected to briquetting processing is wrapped by a polyethylene plastic film so as to prevent VOC gas from escaping and secondary pollution;

4. the utility model provides a processing system practices thrift the energy consumption and mainly embodies: the preheating device is additionally arranged on the electric arc furnace, so that the preheating function of the bulk materials can be realized, and the added bulk materials are continuously heated by utilizing an external heat source, so that the power consumption can be further reduced, and the treatment cost of the raw materials can be reduced; the utility model discloses still add first flue gas processing apparatus and second flue gas processing apparatus, wherein first flue gas processing apparatus can the desorption danger waste raw materials through the poisonous and harmful gas in the high temperature flue gas that produces after smelting and casting, like CO, NOx, SOx and smoke and dust etc., still be equipped with Zn₂The O collecting device can fully realize the recycling of valuable metal elements; the second flue gas treatment device can remove the smoke dust generated in the closed cover and the roof cover in the burning process of the hazardous waste raw materials.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a diagram of a melting and casting apparatus of a processing system provided in an embodiment of the present invention;

fig. 2 is a diagram of a pretreatment apparatus of a treatment system according to an embodiment of the present invention;

fig. 3 is a diagram of a flue gas treatment device of a treatment system according to an embodiment of the present invention;

fig. 4 is a diagram of a processing system according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1-3 show a hazardous waste recycling comprehensive treatment system using an electric arc furnace, which mainly comprises a hazardous waste raw material pretreatment device 1, a smelting and casting device 2 and a flue gas treatment device 3 connected with the smelting and casting device. The hazardous waste raw materials refer to waste metal packaging barrels, the waste metal packaging barrels comprise waste oil barrels and waste paint barrels, the waste oil barrels comprise lubricating oil barrels, hydraulic oil barrels, gasoline barrels or diesel oil barrels and the like, and the waste paint barrels comprise paint barrels or paint barrels and the like.

In the above system, the melting and casting apparatus 2 includes a preheating unit 21, a charging unit 22 communicating with a discharge port of the preheating unit 21, an electric arc furnace 23 communicating with a discharge port of the charging unit 22, and a tapping unit 24 provided below the electric arc furnace 23. The preheating unit 21 is used for heating bulk materials to 700-900 ℃, wherein the bulk materials refer to ferroalloy, flux and other materials, the ferroalloy is used as a deoxidizer and an alloying agent of molten steel, and specifically comprises ferrosilicon, low-micro-carbon ferrochrome, low-micro-carbon ferromanganese, manganese-silicon alloy, silicon-chromium alloy, ferrovanadium, ferrotitanium, ferromolybdenum, ferronickel and other alloy varieties; the flux is used as a slagging agent and specifically comprises silica, dolomite, limestone, lime and other varieties. The preheating unit 21 is provided to enable a preheating function of the bulk material. It is understood that the preheating unit 21 may be a steel storage bin with a thermal insulation lining, and then preheating the bulk material is achieved by an external heat source, and the fuel may be natural gas or the like.

Further, after being preheated, the bulk materials enter the charging unit 22 through a discharge port of the preheating unit 21, the charging unit is a storage bin with a heat insulation lining made of steel, and then the preheated materials enter the electric arc furnace 23 through a discharge port of the charging unit 22 for subsequent processes. Furthermore, a tapping unit 24 is provided below the electric arc furnace 23, the purpose of which is to: for containing materials such as metal and slag generated during the melting process of hazardous waste materials in the electric arc furnace 23, the tapping unit 24 may be a ladle lined with refractory material having a function of storing liquid metal and slag.

Furthermore, in the above-mentioned melting and casting apparatus 2, the electric arc furnace 23 includes a furnace body 231, a tilting unit 232 disposed below the bottom of the furnace body 231 and connected to the bottom of the furnace body 231 through a swing connecting bracket, a water-cooled furnace lid 233 disposed above the furnace body 231 and opened for opening or closing the furnace body 231, and a furnace lid lifting/lowering rotary unit 234 for lifting the water-cooled furnace lid 233, and further, a pulverized coal blowing port is opened at a side of the furnace body 231, and an oxygen blowing port is opened at the bottom of the furnace body, and the two openings are added to the furnace body 231 so that, during the melting of hazardous waste materials in the electric arc furnace 23, some auxiliary materials are added into the pulverized coal blowing port and oxygen required for melting is introduced into the electric arc furnace 23 through the oxygen blowing port, so that cast products with high added value can be finally prepared, and the utilization rate of the hazardous waste.

It should be further noted that the tilting unit 232 mentioned in the above melting and casting apparatus 2 is composed of hydraulic cylinders (2) and speed regulating valves, wherein the hydraulic cylinders are respectively disposed at two sides below the rocking connecting support, and the oil outlet or inlet ratio in the hydraulic cylinders is controlled by the speed regulating valves, so as to control the operating speed of the tilting unit 232, and further achieve the purpose of rotating the furnace body 231; the furnace cover lifting and rotating unit 234 is composed of a rotary hydraulic cylinder and a guide chain, and the water-cooled furnace cover 233 can be lifted to a certain height and rotated by a certain angle by adopting a hydraulic cylinder and guide chain manner, so that the furnace can be conveniently charged and maintained.

In addition, in the above-mentioned smelting and casting device 2, it is mentioned that the auxiliary material is added into the pulverized coal blowing-in port, the added auxiliary material may be an alloy or a carburant, but before the auxiliary material is added, the required auxiliary material is calculated and accurately weighed according to the actual required conditions of smelting and casting, and then added into the electric arc furnace 23, so that not only can the accurate control of the addition amount of the auxiliary material be realized, the quality of the final cast product be ensured, but also the unnecessary waste of the auxiliary material can be avoided, it should be noted here that when the auxiliary material (such as carbon powder and the like) is added into the electric arc furnace through the pulverized coal blowing-in port, the mode of using the pulverized coal blowing gun can.

Each unit of the hazardous waste recycling comprehensive treatment system using the electric arc furnace according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The utility model provides an adopt danger useless raw materials preprocessing device 1 among the useless resourceful integrated processing system of danger of electric arc furnace is the briquetting baling press of metal block with the useless raw materials of danger suppression, and wherein the briquetting baling press can be full-automatic briquetting baling press or semi-automatic briquetting baling press, then transports the metal block to smelting and casting device through steel scrap basket car to carry out subsequent smelting and casting process.

The utility model provides an adopt useless resourceful integrated processing system of danger of electric arc furnace still includes and smelt the flue gas processing apparatus 3 of being connected with the casting device. Wherein, the flue gas treatment device 3 comprises a first flue gas treatment device 31 and a second flue gas treatment device 32, the first flue gas treatment device 31 comprises a water-cooling sleeve, a combustion chamber 311, an SNCR denitration device 312, a quenching device 313, a dry deacidification device 314, a dust removal device 315, an active carbon device 316, Zn₂O soot collection device 317; the first flue gas treatment device 31 is arranged for carrying out coarse particle separation, CO combustion, NOx and SOx removal in the flue gas on the high-temperature flue gas generated in the smelting process of the electric arc furnace 23, and recovering valuable metal elements in the flue gas; the second flue gas treatment device 32 is used for removing dust from flue gas in the closed cover and the roof cover of the electric arc furnace, and the second flue gas treatment device 32 comprises a wind mixing chamber 321 and a pulse bag-type dust remover 322.

Further, the combustion chamber 311 in the first flue gas treatment device 31 may be a device built by refractory materials for burning residual CO in flue gas, the SNCR denitration device 312 is a glass fiber reinforced plastic denitration device, the quenching device 313 is a quenching tower made of polysilicon for cooling high-temperature flue gas to prevent formation of dioxin, the dry deacidification device 314 is a semi-dry deacidification reaction tower mainly used for removing acidic substances in the high-temperature flue gas, the dust removal device 315 is a pulse bag dust collector or other dust removal devices with dust removal function, and Zn is contained in the flue gas₂The O fume collecting means 317 is embodied as a scraper device capable of extracting Zn from fume₂And collecting the O into a sealed bag for recycling the subsequent valuable metal elements. It is emphasized that the dry deacidification unit 314 is disposed in the first flue gas treatment unit 31 before the dedusting unit 315, so as to remove the acidic substances in the flue gas before the flue gas enters the dedusting unit, thereby protecting the dedusting unit and other flue gas pipelines from the acidic substancesCorrosion of (2); in addition, the air mixing chamber 321 in the second flue gas treatment device 32 is specifically a rectangular parallelepiped flue gas mixing device built by refractory materials, and the purpose of the air mixing chamber 321 is as follows: (1) the flue gas from the closed cover and the roof cover are mixed together, so that the effect of adjusting the temperature is achieved, and the pulse bag dust collector 322 for dust removal in the follow-up process is prevented from being damaged or burnt due to overhigh temperature; (2) after the flue gas from the closed cover and the roof cover enters the air mixing chamber 321, the wind speed is reduced, so that part of the smoke dust in the flue gas is settled, and the function of primary dust removal is achieved.

The utility model provides an adopt useless resourceful integrated processing system of danger of electric arc furnace has still add the useless storage device 4 of danger and the useless sorting unit of danger that is used for saving the useless raw materials of danger before the useless raw materials preprocessing device of danger 1. The hazardous waste storage device 4 can be a storage workshop or a storage factory or other places with storage functions, but in order to prevent substances such as residual paint in the hazardous waste raw material barrel from leaking, the ground of the hazardous waste storage device needs to be subjected to anti-seepage treatment so as to avoid secondary pollution; the dangerous waste sorting device is a belt conveyor and a grate screen, and the dangerous waste raw materials are classified according to different sizes and different products, so that subsequent pretreatment, smelting and casting steps are conveniently and efficiently carried out on the dangerous waste raw materials.

The utility model provides an adopt useless resourceful integrated processing system of danger of electric arc furnace, still included the setting at danger useless raw materials preprocessing device 1 and smelt and cast the packing unit between the device 2, this packing unit adopts polyethylene plastic film to wrap up in the danger useless raw materials of briquetting to prevent that VOC gas from overflowing, in order to avoid causing the pollution, this packing unit can be for having the packing and wrap up in the electric rotary packer who twines the function, rated load is 1000kg, mesa diameter 1220mm, motor 2.2 kw.

The utility model provides an adopt useless resourceful integrated processing system of danger of electric arc furnace has still included the conveyer 6 of the useless raw materials of danger that is used for snatching grabbing 5 of the useless raw materials of danger and transports between the useless sorting unit of danger and the useless raw materials preprocessing device of danger 1. The grabbing device 5 is a full-automatic grabbing machine and can grab hazardous waste raw materials fully automatically and efficiently; the conveying device 6 is a rail transport vehicle or a conveying belt communicated between the two devices, and can convey the dangerous waste raw materials grabbed by the grabbing device 5 to the next device for subsequent operation.

The utility model provides an adopt useless resourceful integrated processing system of danger of electric arc furnace will suppress the useless raw materials of danger that the blocking adds in electric arc furnace in smelting and casting device 2, then under the condition of temperature 1400 ability of honour 1650 ℃, smelt the processing to it.

The utility model provides an adopt useless resourceful integrated processing system of danger of electric arc furnace still include smelt with casting device 2 be equipped with the transformer room, with the short net system of transformer room low pressure side series connection, with the electrode elevating system of short net system series connection and locate the water cooling system of short net system below.

In the processing system, the short net system is a copper flexible conductive element required by electrode power supply, the short net system is connected with an electrode and a transformer, and the inside of the short net is hollow and used for water cooling; in order to prevent the high-temperature environment of the electric furnace from damaging equipment, the water cooling system is provided with water cooling components such as a short net system of the electric furnace, a conductive cross arm, a water-cooled furnace cover and the like, and a circulating cooling water system is arranged for cooling the components.

The utility model also discloses an adopt electric arc furnace's useless comprehensive treatment system's of danger application method, this method specifically is: the dangerous waste raw materials stored in the dangerous waste storage device 4 enter the dangerous waste sorting device to be sorted, and the sorting method comprises the following steps: classifying hazardous waste raw materials according to different sizes and different contained products, grabbing the hazardous waste raw materials onto a conveying device 6 through a grabbing device 5, conveying the hazardous waste raw materials to a hazardous waste raw material pretreatment device 1 for briquetting treatment to obtain metal blocks, conveying the metal blocks to a smelting and casting device 2 by using a metal block basket cart, conveying the metal blocks into an electric arc furnace 23 through a feeding crown block, heating to 1400 ℃ and 1650 ℃ to smelt the metal blocks, preheating bulk materials such as ferroalloy, flux and the like through a preheating unit 21, after preheating to 700-900 ℃, feeding the preheated bulk materials into a feeding unit 22 through a discharge port of the preheating unit 21, then feeding the bulk materials into the electric arc furnace 23 through a discharge port of the feeding unit 22, respectively feeding oxygen and auxiliary materials (alloy or carburant) into an oxygen blowing inlet arranged at the bottom of the electric arc furnace 23 and a coal powder blowing inlet arranged on the side face to prepare different cast products, such as molten iron for casting and molten steel for casting; in addition, substances such as steel slag and the like generated after the metal blocks are combusted are transported to disposal places such as cement plants and the like for subsequent recycling; the flue gas generated after the metal blocks are combusted in the electric arc furnace 23 enters the flue gas treatment device 3, wherein the high-temperature flue gas at the fourth hole communicated with the electric arc furnace 23 enters the first flue gas treatment device 31, and the flue gas in the closed cover and the roof cover connected with the electric arc furnace 23 enters the second flue gas treatment device 32.

Wherein, the high temperature flue gas of the fourth hole that communicates with the electric arc furnace 23 enters the first flue gas processing apparatus 31, and the concrete method is: the first high temperature flue gas enters a water cooling sleeve connected with the exhaust port of the electric arc furnace through a flue gas pipeline of the electric arc furnace, is cooled, then enters a combustion chamber 311 communicated with the gas outlet of the water cooling sleeve, is subjected to coarse particle separation and CO combustion, then enters an SNCR denitration device 312 communicated with the gas outlet of the combustion chamber 311 to remove NOx, enters a quenching device 313 communicated with the gas outlet of the SNCR denitration device 312 to be quenched, enters a dry-type deacidification device 314 communicated with the gas outlet of the quenching device 313 to remove SOx, enters a dust removal device 315 communicated with the gas outlet of the dry-type deacidification device 314 to be dedusted, enters an active carbon device 316 communicated with the gas outlet of the active carbon device 316, and then enters Zn communicated with the gas outlet of the active carbon device 316 to be dedusted₂Zn is carried out by the O smoke dust collecting device 317₂And recovering the O, and finally, discharging the O in a discharge chimney.

The flue gas in the closed hood and the roof hood connected with the electric arc furnace 23 enters a second flue gas treatment device 32, and the specific method comprises the following steps: the flue gas in the closed hood and the roof hood is subjected to mixing cooling and coarse dust removal treatment by the air mixing chamber 321 communicated with the closed hood and the roof hood, and then enters the pulse bag dust remover 322 communicated with the air outlet of the air mixing chamber 321 for dust removal treatment, and then is discharged out of a chimney.

The utility model provides an adopt useless resourceful integrated processing system of danger of electric arc furnace is complete, systematized, automatic, the useless resource processing system of efficient danger of one set of supporting facility. The system can realize the resource treatment of dangerous waste materials including the waste oil barrel and the waste paint barrel, and has the characteristics of high treatment efficiency, high raw material utilization rate, energy consumption saving and the like. Wherein, the utilization ratio of the dangerous waste raw materials can reach more than 95 percent, 950kg of casting molten steel, molten iron or other casting products can be obtained by casting each ton of the dangerous waste raw materials, and 560kg of standard coal energy consumption can be saved by processing each ton of the dangerous waste raw materials.

Claims

1. The hazardous waste recycling comprehensive treatment system is characterized by comprising a hazardous waste raw material pretreatment device, a smelting and casting device and a flue gas treatment device connected with the smelting and casting device;

the smelting and casting device comprises a preheating unit for heating bulk materials to 700-900 ℃, a feeding unit connected with a discharge port of the preheating unit, an electric arc furnace communicated with a discharge port of the feeding unit, and a tapping unit arranged below the electric arc furnace;

2. The processing system according to claim 1, wherein the furnace body is provided with connecting brackets at two sides below the bottom of the furnace body, and the furnace body is connected with the tilting unit of the furnace body through the connecting brackets.

3. The treatment system according to claim 1, wherein said flue gas treatment device comprises a flue gas duct communicating with said smelting and casting plant for coarse particle separation, CO combustion, NOx, SOx and soot removal and Zn collection₂O, and a second flue gas treatment device which is communicated with the closed cover of the smelting and casting device and the exhaust port of the roof cover and is used for removing smoke dust.

4. The treatment system according to claim 3, wherein the first flue gas treatment device comprises a water-cooled casing connected to the gas outlet of the electric arc furnace, a combustion chamber in communication with the gas outlet of the water-cooled casing, an SNCR denitration device in communication with the gas outlet of the combustion chamber, a quenching device in communication with the gas outlet of the SNCR denitration device, a dry deacidification device in communication with the gas outlet of the quenching device, a dust removal device in communication with the gas outlet of the dry deacidification device, an activated carbon device in communication with the gas outlet of the dust removal device, and Zn in communication with the gas outlet of the activated carbon device₂O smoke collecting device and Zn₂And the discharge chimney is communicated with the smoke dust collecting device.

5. The treatment system of claim 3, wherein the second flue gas treatment device comprises a gas mixing chamber communicated with the exhaust ports of the closed hood and the roof hood, a pulse bag dust collector communicated with the gas outlet of the gas mixing chamber, and a discharge chimney communicated with the gas outlet of the pulse bag dust collector.

6. The processing system according to claim 1, wherein the hazardous waste raw material pretreatment device is preceded by a hazardous waste storage device for storing hazardous waste raw materials and a hazardous waste sorting device for sorting the hazardous waste raw materials, and a packaging unit for packaging the hazardous waste raw materials is further included between the hazardous waste raw material pretreatment device and the smelting and casting device to prevent VOC gas of the hazardous waste raw materials from escaping.

7. The processing system according to claim 6, further comprising a gripping device for gripping the hazardous waste materials and a transportation device for transporting the gripped hazardous waste materials between the hazardous waste sorting device and the hazardous waste material pretreatment device, wherein the gripping device is a fully automatic material gripping machine, and the transportation device is a rail transport vehicle.

8. The processing system according to claim 1, wherein the hazardous waste raw material pre-processing device is a briquetting and packaging machine for briquetting hazardous waste raw materials, the briquetting and packaging machine is a full-automatic briquetting and packaging machine or a semi-automatic briquetting and packaging machine;

9. The system of claim 6, wherein the sorting device is a belt conveyor and a grate.

10. The treatment system according to any one of claims 1 to 9, wherein the hazardous waste material is a metal packaging barrel, the metal packaging barrel comprises a waste oil barrel and a waste paint barrel;