CN206474489U - A kind of electronic waste processing system - Google Patents
A kind of electronic waste processing system Download PDFInfo
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- CN206474489U CN206474489U CN201621354805.7U CN201621354805U CN206474489U CN 206474489 U CN206474489 U CN 206474489U CN 201621354805 U CN201621354805 U CN 201621354805U CN 206474489 U CN206474489 U CN 206474489U
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Abstract
The utility model is related to pyrolysis art, more particularly to a kind of electronic waste processing system and method.The system includes：Broken and sorting unit, feed arrangement, feed bin, intermediate storage tank, reactor, cooling chamber, indirect heat exchanger and cooling tower, the broken and sorting unit is connected with the feed arrangement, the intermediate storage tank is connected with the feed bin, the intermediate storage tank is connected with the charging aperture on the reactor top, the slag charge outlet of the reactor lower part is connected with the cooling chamber, the gas outlet of the cooling chamber is connected with the charging aperture of the reactor, the indirect heat exchanger is connected with the oil gas vent of the reactor, and the cooling tower is connected with the indirect heat exchanger.Thus, can be achieved it is stable, continuous, efficiently handle electronic waste, can meet the requirement of different disposal amount as needed, also, material is stirred in reactor with spiral propeller in pyrolytic process, is heated evenly, can be fully pyrolyzed.
Description
Technical field
The utility model is related to pyrolysis art, more particularly to a kind of electronic waste processing system.
Background technology
Expanding economy and the progress of science and technology cause electronics industry fast development, therefore electron wastes also turn into the world
One of fastest-rising rubbish.Electron wastes are commonly called as electronic waste, mainly by discarded household electrical appliance, means of communication, battery
Class product etc. is constituted, and covers the electronic apparatus that various fields of recent life waste and old electric electric equipment and industry manufacture field are produced
Waste product or scrap, complicated component, species are various.Wherein containing a large amount of available polyester, plastics, glass, noble metals etc.
Resource, arbitrarily disposal can bring potentially hazardous to environment, and necessarily cause the significant wastage of resource, rationally effective to utilize electricity
Sub- discarded object is into the task of top priority.
In recent years, with the energy and resource shortage and environmental pollution increasingly serious, searching fungible energy source and resource
Turn into countries in the world urgent problem to be solved.To alleviate resource and the contradiction of development, countries in the world are recycled to resource
Increasingly pay attention to, Developing Circulation Economy, change the linear economy pattern of traditional " resource-product-discharge ", set up " money
The closed-loop flow economic model of resource sustainable application is emphasized in source-product-regenerated resources ", and electronic waste is seen as Secondary Resource
Treat, can be economized on resources by recycle and reuse, to reduce the exploitation to Resources, so as to alleviate the ring that resource exploitation is brought
Border pressure.
At present, there are many researchs to electronic waste treatment technology both at home and abroad, be concentrated mainly on to wherein noble metal and one
As metal separation and Extraction, it is and difficult and research on utilization of the relatively low non-metallic part of economic benefit is then less to processing.
Patent CN101898196A proposes a kind of electronic waste with complex components recoverying and utilizing method and device, after electronic waste is crushed
It is pyrolyzed in feeding fluid bed, obtains pyrolysis solid residue and the gaseous product containing a large amount of tar, its solid product is gentle
Body product is collected after handling respectively.But, the technology still suffers from following shortcoming：（1）Residue in gaseous product is too many,
Cause gaseous product purposes limited；（2）Pyrolysis processing is carried out to electronic waste using fluid bed, degree of pyrolysis is limited, and material is not
It can be pyrolyzed complete；（3）Raw meal particle size restricted application.Therefore, how to design it is a kind of efficiently, atmosphere is stable and continuously runs
The problem of processing system of electronic waste turns into this area urgent need to resolve.
Utility model content
The utility model is in view of the shortcomings of the prior art, it is proposed that a kind of electronic waste processing system.It is of the present utility model
Processing system and method can realize stabilization, it is continuous, efficiently handle electronic waste, can meet different disposal amount as needed will
Ask, also, material is stirred in reactor with spiral propeller in pyrolytic process, is heated evenly, can be fully pyrolyzed.Together
When, under the mechanical force that spiral propeller is rotated, material coking in pyrolytic process can be avoided, causes discharging not smooth or goes out
The problems such as material mouth is blocked.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
The utility model proposes a kind of electronic waste processing system.The system includes：Broken and sorting unit, charging dress
Put, feed bin, intermediate storage tank, reactor, cooling chamber, indirect heat exchanger and cooling tower, wherein,
The broken and sorting unit is connected with the feed arrangement, for electronic waste to be carried out into broken, sorting process；
The feed arrangement is located at the top of the feed bin, is connected with the charging aperture of the feed bin, wherein, the feed bin is
Closed system, the feed bin top is provided with exhausting pipeline, is surround in the periphery in the feed bin lower taper portion and lays multiple nozzles,
For feeding gas into the feed bin, atmosphere displacement is carried out, the nozzle is connected with source of the gas；
The entrance of the intermediate storage tank is connected with the discharging opening of the feed bin bottom, and the feed bin and the intermediate storage tank
Between be provided with valve, the break-make for controlling electronic waste raw material；Wherein, the intermediate storage tank is closed system, the middle storage
Tank top is provided with exhausting pipeline, in the periphery in the intermediate storage tank lower taper portion around laying multiple nozzles, for by gas
Send into the intermediate storage tank, carry out atmosphere displacement；The nozzle is connected with source of the gas；
The lower part outlet of the intermediate storage tank is connected with the charging aperture on the reactor top；
The reactor be closed reactor, and the reactor lower part slag charge outlet be connected with the cooling chamber, institute
The gas outlet for stating cooling chamber is connected with the charging aperture of the reactor, for steam to be sent into reactor；
The indirect heat exchanger is connected with the oil gas vent of the reactor, and the gas for the reactor to be produced is produced
Thing sends into the indirect heat exchanger and carries out preliminary cooling treatment；
The entrance of the cooling tower is connected with the outlet of the indirect heat exchanger, for the gas tentatively cooled down to be produced
Thing carries out secondary cooling, obtains fixed gas and tar.
Inventor has found that the processing system for the electronic waste that the utility model is provided can realize stabilization, continuous, efficient place
Electronic waste is managed, the requirement of different disposal amount can be met as needed, raw material particle size, shape are pyrolyzed without obvious requirement
During material stirred in reactor with spiral propeller, be heated evenly, can fully be pyrolyzed.Meanwhile, in screw propulsion
Under the mechanical force that device is rotated, material coking in pyrolytic process can be avoided, causing discharging, smooth or discharging opening blocking etc. is not asked
Topic.
According to embodiment of the present utility model, the outlet of the broken and sorting unit is connected with mechanical device, for inciting somebody to action
Broken, sorting electronic waste is delivered in the mechanical device；The feed arrangement is feed auger, and its top is provided with hopper,
Broken, sorting electronic waste is transported in the hopper by the mechanical device.
According to embodiment of the present utility model, the valve is the second push-pull valve；The gas is for carbon dioxide or to pyrolysis
Inert gas of the course of reaction without influence.
According to embodiment of the present utility model, the cooling chamber is provided with cooling water nozzle, and the cooling water nozzle is atomization
Nozzle, after cooling water is contacted in vaporific form with high temperature pyrolysis product, generates steam, also, the cooling chamber bottom
Portion is provided with cooled product outlet；The indirect heat exchanger has coolant outlet and cooling water inlet；The cooling tower has cold
But water inlet and fixed gas outlet.
According to embodiment of the present utility model, the first push-pull valve is set between the feed arrangement and feed bin；The centre
At least two the 3rd push-pull valves are set between storage tank and reactor；Respectively in the feed bin nozzle and intermediate storage tank nozzle and source of the gas
Between valve is set, to control the break-make of gas.
According to embodiment of the present utility model, the reactor includes：Material pyrolization modules, heating unit and reactor enclosure
Body, the material pyrolization modules are across the both sides of the reactor shell, and two ends of the material pyrolization modules are naked
It is exposed at the outside of the reactor shell；The material pyrolization modules include shaped spiral housing and material promotes spiral, wherein, it is described
Shaped spiral housing extends through the another of the reactor shell from the reactor shell side along the reactor enclosure intracoelomic cavity
Side, the exposed outside in the reactor shell in two ends of the shaped spiral housing so that the reactor shell with it is described
Confined space is formed between shaped spiral housing, the heating unit is located at the inside of the confined space, including：For providing thermal source
Heating module and insulated for the shaped spiral housing ensured in the heating wire in the heating module and the material pyrolization modules
Insulating barrier, also, the heating unit is divided at least threeth area in the longitudinal direction, and can control the heating speed in each area respectively
Degree.
According to embodiment of the present utility model, the heating unit is divided into an area, 2nd area and 3rd area, wherein, area heating
Speed is 40-80 DEG C/min, and two area's heating rates are 30-60 DEG C/min, and three area's heating rates are 20-60 DEG C/min；It is exposed
Charging aperture, oil gas vent, slag charge outlet, and the material are provided with the shaped spiral housing outside the reactor shell
Import is located at the shaped spiral housing upper right quarter, and the oil gas vent is located at the shaped spiral housing upper left quarter, and the slag charge exports position
In the shaped spiral housing lower left quarter.
According to embodiment of the present utility model, level-sensing device is fixedly mounted on the side wall of the feed bin and intermediate storage tank, and
And the level-sensing device of feed bin and the second push-pull valve are interlocked, the level-sensing device of intermediate storage tank and the 3rd push-pull valve are interlocked, and are used for
The switch of push-pull valve is controlled according to material position value.
The beneficial effects of the utility model are as follows：
（1）Can be achieved it is stable, continuous, efficiently handle electronic waste, the requirement of different disposal amount can be met as needed.
（2）Material is stirred in reactor with spiral propeller in pyrolytic process, is heated evenly, can be fully pyrolyzed.
Meanwhile, under the mechanical force that spiral propeller is rotated, material coking in pyrolytic process can be avoided, cause discharging not smooth or
The problems such as discharging opening is blocked.
（3）To raw material particle size, shape without obvious requirement, particle diameter is less than 30mm block, powder and is applicable.
Brief description of the drawings
Fig. 1 is the structural representation of the electronic waste processing system according to the utility model embodiment.
Fig. 2 is the side view of the reactor according to the utility model embodiment.
Wherein, 1, mechanical device, 2, hopper, 3, feed auger, 31, the discharging control valve of feed auger, 4, feed bin, 41,
The exhausting pipeline of feed bin, 42, the level-sensing device of feed bin, 43, the discharging control valve of feed bin, 5, intermediate storage tank, 51, intermediate storage tank puts
Vacant duct, 52, the level-sensing device of intermediate storage tank, 53, the discharging control valve of intermediate storage tank, 6, source of the gas, 61, the control of feed bin breather line
Valve processed, 62, the control valve of intermediate storage tank breather line, 7, reactor, 71, material promote spiral, 72, charging aperture, 73, slag charge goes out
Mouthful, 74, oil gas vent, 75, shaped spiral housing, 76, reactor shell, 77, insulation material, 78, insulating barrier, 79, heating module,
711st, an area, 712, two areas, 713, three areas, 8, cooling chamber, 9, indirect heat exchanger, 10, cooling tower, 11, broken and sorting unit.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to specific embodiment
The utility model is described in further detail.The embodiments described below is exemplary, is only used for explaining that this practicality is new
Type, and it is not intended that to limitation of the present utility model.
The utility model proposes a kind of electronic waste processing system.According to embodiment of the present utility model, Fig. 1 is basis
The structural representation of the electronic waste processing system of the utility model embodiment, shown in reference picture 1, the system includes：It is broken and
Sorting unit 11, feed arrangement 3, feed bin 4, intermediate storage tank 5, reactor 7, cooling chamber 8, indirect heat exchanger 9 and cooling tower 10, its
In, the broken and sorting unit is connected with the feed arrangement, for electronic waste to be carried out into broken, sorting process；It is described
Feed arrangement is located at the top of the feed bin, is connected with the charging aperture of the feed bin, wherein, the feed bin is closed system, institute
Feed bin top is stated provided with exhausting pipeline, in the periphery in the feed bin lower taper portion around laying multiple nozzles, for by gas
Send into the feed bin, carry out atmosphere displacement, the nozzle is connected with source of the gas；Under the entrance of the intermediate storage tank and the feed bin
The discharging opening connection in portion, and valve, the break-make for controlling electronic waste raw material are provided between the feed bin and the intermediate storage tank；
Wherein, the intermediate storage tank is closed system, and the intermediate storage tank top is provided with exhausting pipeline, in the intermediate storage tank lower cone
The periphery in shape portion is around multiple nozzles are laid, for feeding gas into the intermediate storage tank, carries out atmosphere displacement；The nozzle
It is connected with source of the gas；The lower part outlet of the intermediate storage tank is connected with the charging aperture on the reactor top；The reactor is close
Close reactor, and the slag charge outlet of the reactor lower part is connected with the cooling chamber, the gas outlet of the cooling chamber with it is described
The charging aperture connection of reactor, for steam to be sent into reactor；The oil gas vent of the indirect heat exchanger and the reactor
Connection, the gaseous product for the reactor to be produced sends into the indirect heat exchanger and carries out preliminary cooling treatment；It is described cold
But the entrance of tower is connected with the outlet of the indirect heat exchanger, secondary cold for the gaseous product tentatively cooled down to be carried out
But, fixed gas and tar are obtained.
Inventor has found that the processing system for the electronic waste that the utility model is provided can realize stabilization, continuous, efficient place
Electronic waste is managed, the requirement of different disposal amount can be met as needed, raw material particle size, shape are pyrolyzed without obvious requirement
During material stirred in reactor with spiral propeller, be heated evenly, can fully be pyrolyzed.Meanwhile, in screw propulsion
Under the mechanical force that device is rotated, material coking in pyrolytic process can be avoided, causing discharging, smooth or discharging opening blocking etc. is not asked
Topic.
According to embodiment of the present utility model, the processing system of the electronic waste includes broken and sorting unit 11 and charging
Device 3.Wherein, the broken and sorting unit is connected with the feed arrangement, for electronic waste to be carried out at broken, sorting
Reason；The feed arrangement is located at the top of the feed bin, is connected with the charging aperture of the feed bin, for electronic waste material is defeated
It is sent in feed bin.It is described to crush between sorting unit and the feed arrangement also according to specific embodiment of the utility model
Mechanical device 1 can be connected, the outlet of the broken and sorting unit is connected with mechanical device, for the electricity that will be crushed, sort
Sub- rubbish is delivered in the mechanical device；The mechanical device is connected with the feed arrangement, for by the mechanical device
Electronic waste deliver in the feed arrangement.Further, the feed arrangement 3 is feed auger 3, and its top is provided with hopper
2, broken, sorting electronic waste is transported in the hopper by the mechanical device, enters the charging via the hopper
In spiral.According to specific embodiment of the utility model, the first push-pull valve 31 is set between the feed arrangement and feed bin, can be with
Electronic waste is transported to the break-make of feed bin by control from feed arrangement, that is, when opening the first push-pull valve, start by electronic waste from
Feed arrangement is transported to feed bin；When closing the first push-pull valve, stop electronic waste being transported to feed bin from feed arrangement.
According to embodiment of the present utility model, the processing system of the electronic waste includes feed bin, and the feed bin 4 is for closing
System, atmosphere displacement is carried out by gas to the system, primarily serves storage material, isolation reaction system and extraneous effect.According to
Specific embodiment of the utility model, the feed bin is closed system, and the feed bin top is provided with exhausting pipeline 41, in the material
The periphery in storehouse lower taper portion is provided with nozzle, and the nozzle is connected with source of the gas.The exhausting pipeline, for discharging waste gas；It is described
Nozzle, for introducing gas.It is preferred that, the set-up mode of the nozzle is to surround to lay in the periphery in feed bin lower taper portion,
Setting quantity is multiple nozzles, for feeding gas into the feed bin, carries out atmosphere displacement；Further, the gas is
Carbon dioxide or on inert gas of the pyrolytic reaction process without influence, preferably nitrogen.Thus, feed bin is discharged by exhausting pipeline
Waste gas, and sent into the gas in source of the gas by the nozzle being arranged on feed bin, realize and be replaced into the atmosphere in feed bin
Inert atmosphere, primarily serves storage material, isolation reaction system and extraneous effect；Meanwhile, inner tank wall of the gas in feed bin
Formed one layer of air film, prevent material inner tank wall gather, in addition, in tank body gas fluctuation, bank in tank can be prevented
Product, formation is unfavorable for rat hole and arch formation that material smoothly falls, it is ensured that the trouble-free operation of feed system.In addition, the material
The discharging opening of storehouse bottom is connected with the entrance of the intermediate storage tank, and provided with valve 43 between the feed bin and the intermediate storage tank,
I.e. described valve is the second push-pull valve, the break-make for controlling electronic waste；When opening the second push-pull valve, start electronic waste
The intermediate storage tank is transported to from the discharging opening of feed bin bottom；When closing the second push-pull valve, stop electronic waste under feed bin
The discharging opening in portion is transported to the intermediate storage tank.Further, level-sensing device 42 is fixedly mounted on the side wall of the feed bin, for seeing
Examine the controlling level inside feed bin；It is preferred that, the level-sensing device of feed bin and the second push-pull valve are interlocked, for according to material position value come
Control the switch of the second push-pull valve.
According to embodiment of the present utility model, the processing system of the electronic waste includes intermediate storage tank 5, the intermediate storage tank
For closed system, atmosphere displacement is carried out to the system by gas, storage material, isolation reaction system and extraneous work is primarily served
With.According to specific embodiment of the utility model, the intermediate storage tank is closed system, and the intermediate storage tank top is provided with emptying
Pipeline 51, is provided with nozzle, the nozzle is connected with source of the gas in the periphery in the intermediate storage tank lower taper portion.The blow-down pipe
Road, for discharging waste gas；The nozzle, for introducing gas.It is preferred that, the set-up mode of the nozzle is under intermediate storage tank
The periphery of portion's tapered portion is around laying, and setting quantity is multiple nozzles, for feeding gas into the intermediate storage tank, enters promoting the circulation of qi
Atmosphere is replaced；Further, the gas is for carbon dioxide or on inert gas of the pyrolytic reaction process without influence, preferably nitrogen
Gas.Thus, intermediate storage tank by exhausting pipeline discharge waste gas, and by nozzle by source of the gas gas send into, realize by
Atmosphere inside intermediate storage tank is replaced into inert atmosphere, primarily serves storage material, isolation reaction system and extraneous effect；Together
When, gas prevents material from being gathered in inner tank wall, in addition, gas in tank body in inner tank wall one layer of air film of formation of intermediate storage tank
The fluctuation of body, can prevent solid accumulation in tank, and formation is unfavorable for rat hole and arch formation that material smoothly falls, it is ensured that charging
The trouble-free operation of system.In addition, the lower part outlet of the intermediate storage tank is connected with the charging aperture on the reactor top, and institute
State at least two the 3rd push-pull valves 53 of setting, the break-make for controlling electronic waste between intermediate storage tank and reactor.Work as opening
During three push-pull valves, start electronic waste being transported to reactor from the intermediate storage tank；When closing three push-pull valves, stopping will
Electronic waste is transported to reactor from the intermediate storage tank.Further, material position is fixedly mounted on the side wall of the intermediate storage tank
Meter 52, for observing the controlling level inside feed bin；It is preferred that, the level-sensing device of the intermediate storage tank and the 3rd push-pull valve are interlocked,
Switch for controlling the 3rd push-pull valve according to material position value.
According to embodiment of the present utility model, the processing system of the electronic waste includes reactor 7, for electronic waste
Carry out pyrolysis processing.The reactor be closed reactor, and the reactor lower part slag charge outlet with the cooling chamber connect
Connect, the solid product for the reactor to be produced sends into the cooling chamber and carries out cooling treatment；The charging of the reactor
Mouth is connected with the gas outlet of the cooling chamber, for steam to be sent into reactor；The oil gas vent of the reactor and it is described between
Heat exchanger connection is connect, the gaseous product for the reactor to be produced is sent into the indirect heat exchanger and carried out at preliminary cooling
Reason.According to specific embodiment of the utility model, the reactor is is set to screw propulsion form, and described material promotes spiral shell
Be spun under external motor drives with certain rotational speed, the electronic waste of the intermediate storage tank via the reactor charging aperture
After into the reactor, it is heated in reactor, pyrolytic reaction occurs with the rise of temperature, reaction produces high
Warm solid product and high-temperature gas product；Meanwhile, the material promotes spiral to push ahead with material, until reaching reactor
End, oil gas vent discharge of the high-temperature gas product above reactor end, is carried out just into the indirect heat exchanger
Cooling treatment is walked, the high-temp solid product exports discharge from the slag charge below reactor end, is carried out into the cooling chamber
Cooling treatment, meanwhile, obtained steam is handled via the cooling chamber and also enters described anti-by the charging aperture of the reactor
Answer device.According to specific embodiment of the utility model, the reactor is closed poor oxygen reactor, i.e., required in reactor anoxybiotic or
Atmosphere carries out purging displacement by gas in oxygen deprivation atmosphere, the reactor, it is preferred that atmosphere enters line replacement by gas in the reactor
For inert atmosphere.Due to setting the nozzle being connected with source of the gas respectively at feed bin and intermediate storage tank（That is the gas access of source of the gas）,
It is respectively fed to gas and line replacement is entered to feed bin, intermediate storage tank and reactor, while completely cut off contacting for reactor and extraneous air, with
Ensure to be anoxybiotic or oxygen deprivation atmosphere in reactor.Further, the gas be carbon dioxide or to pyrolytic reaction process without shadow
Loud inert gas, preferably nitrogen.
According to embodiment of the present utility model, Fig. 2 is the side view of the reactor according to the utility model embodiment, is such as schemed
Shown in 2, the reactor 7 includes：Material pyrolization modules, heating unit and reactor shell 76, the material pyrolization modules are horizontal
Across the both sides of the reactor shell, and two ends of the material pyrolization modules are exposed in the outer of the reactor shell
Portion；The material pyrolization modules include shaped spiral housing 75 and material and promote spiral 71, wherein, the shaped spiral housing is from the reaction
Device housing side extends through the opposite side of the reactor shell, the two of the shaped spiral housing along the reactor enclosure intracoelomic cavity
The exposed outside in the reactor shell in individual end so that form closed between the reactor shell and the shaped spiral housing
Space, the heating unit is located at the inside of the confined space, including：For providing the heating module 79 of thermal source and for protecting
Demonstrate,prove the heating wire and the insulating barrier 78 of the shaped spiral housing insulation in the material pyrolization modules in the heating module, also, institute
State heating unit and be divided at least threeth area in the longitudinal direction, and the programming rate in each area can be controlled respectively, it is preferred that be divided into one
Area 711, two areas 712 and three areas 713, wherein, area's heating rate is 40-80 DEG C/min, two area's heating rates are 3 0-60 DEG C/
Min, three area's heating rates are 20-60 DEG C/min.According to specific embodiment of the utility model, its remaining part of the confined space
Dividing can also be filled using insulation material 77, the radiation loss to reduce wall, i.e., described heating module and the reactor
Space filling heat insulating wall between housing.It is preferred that, the insulation material is heat-preservation cotton and asbestos board, and heat-preservation cotton filling needs pressure
It is real, to ensure heat insulating ability.In addition, be provided with the exposed shaped spiral housing outside the reactor shell charging aperture 72,
Oil gas vent 74, slag charge outlet 73, and the material inlet is located at the shaped spiral housing upper right quarter, and the oil gas vent is located at
The shaped spiral housing upper left quarter, the slag charge outlet is located at the shaped spiral housing lower left quarter.According to specific reality of the present utility model
Example is applied, the slag charge outlet of the reactor lower part is connected with the cooling chamber, for the solid product for producing the reactor
Send into the cooling chamber and carry out cooling treatment；The charging aperture of the reactor is connected with the gas outlet of the cooling chamber, for inciting somebody to action
Steam sends into reactor；The oil gas vent of the reactor is connected with the indirect heat exchanger, for the reactor to be produced
Gaseous product send into the indirect heat exchanger and carry out preliminary cooling treatment.
According to specific embodiment of the utility model, the material pyrolization modules of the reactor promote spiral shape for material
Formula, the material promotes spiral to be entered in the case where outside motor belt motor is dynamic with certain rotational speed, material after reactor, in reaction
It is heated in device, pyrolytic reaction occurs with the rise of temperature；While the material promotes spiral to push ahead with material,
Until reaching discharge end, the high-temperature gas product obtained by reaction discharges from the oil gas vent, the high-temp solid product of gained from
Slag charge outlet discharge, meanwhile, obtained steam is handled via the cooling chamber and is also entered by the charging aperture of the reactor
Enter the reactor.In material pyrolytic process, the velocity of rotation that material promotes spiral can be adjusted, to ensure that material is reached out
Pyrolysis is finished before material mouth；The heating unit of the reactor can be electrical heating form, by electrical heating module to reactor
Heated, the electrical heating module can accurately control institute's making alive, and heating rate can be accurately controlled by control voltage,
Heat supply is continued to the efficient stable of reactor so as to realize, makes that material is continuous, stably, quickly and fully occur pyrolytic reaction.Root
According to specific embodiment of the utility model, when system initial start-up, the reactor, indirect heat exchanger, cooling tower are made
Enter line replacement with gas, after being replaced, start reactor heater, reactor is heated to 600-900 DEG C, open middle
Storage tank and the 3rd push-pull valve in reactor, material is sent into reactor.Further, the gas is carbon dioxide or right
Inert gas of the pyrolytic reaction process without influence, preferably nitrogen；During pyrolytic reaction, reactor pressure control exists
Within 0.1MPa, it is preferred that control reactor pressure by being arranged on the air-introduced machine after cooling tower.
According to embodiment of the present utility model, the processing system of the electronic waste includes cooling chamber 8.The cooling chamber and institute
The slag charge outlet connection of reactor is stated, for entering to the high-temp solid product discharged in the reactor in the presence of cooling water
Row cooling treatment；Meanwhile, the gas outlet of the cooling chamber is connected with the charging aperture of the reactor, is reacted for steam to be sent into
Device, improves the hydrogen constituent content in thermal decomposition product.The cooling chamber is provided with cooling water nozzle, preferably atomizer, the mist
The specific set-up mode for changing nozzle is unrestricted, can be arranged on above cooling chamber, can also be arranged in cooling chamber surrounding,
After cooling water is contacted in vaporific form with high temperature pyrolysis product, steam is generated, also, the cooling chamber bottom is provided with
Cooled product outlet, for the solid product after cooling treatment to be discharged.When the high-temp solid product enters the cooling chamber
Afterwards, solid product is obtained after being cooled down in the presence of cooling water, the cooling chamber, feeding finished room storage is discharged；Cool down water cooling
But it is heated while solid product, generates saturated vapor, is available for system to be pyrolyzed required or outer confession in itself, it is preferred that to obtain
Vapor enters via charging aperture participates in pyrolytic reaction in the reactor, improve the hydrogen constituent content in thermal decomposition product.
According to embodiment of the present utility model, the processing system indirect heat exchanger 9 and cooling tower 10 of the electronic waste, its
In, the indirect heat exchanger is connected with the oil gas vent of the reactor, with coolant outlet and cooling water inlet, for inciting somebody to action
The gaseous product that the reactor is produced sends into the indirect heat exchanger, is carried out the gaseous product by the cooling water of circulation
Preliminary cooling treatment；The entrance of the cooling tower is connected with the outlet of the indirect heat exchanger, and the cooling tower has cooling water
Entrance and fixed gas outlet, for the gaseous product tentatively cooled down to be carried out into secondary cooling by cooling water, are not coagulated
Gas and tar.According to specific embodiment of the utility model, the high-temperature gas product is cooled to through indirect heat exchanger, cooling tower
Less than 40 DEG C, can be with isolated product liquid tar and gaseous product fixed gas.Wherein, the tar can be from indirect heat exchange
It is isolated in device bottom and cooling tower cooling water, with phenol and its containing other functional group's aromatic compounds, containing benzene in tar
It is important industrial chemicals based on the aromatic compound of ring；Hydrogen, methane, carbon monoxide, second are included in the fixed gas
The C such as alkane, propane4Following hydrocarbon compound, obtained gas products calorific value up to 11.25-15.21MJ/m3, combustion can be used as
Gas is used.
According to embodiment of the present utility model, the processing system of the electronic waste includes source of the gas 6, for for the feed bin and
The intermediate storage tank provides gas.The source of the gas is connected with the feed bin nozzle and intermediate storage tank nozzle respectively, for be described
Feed bin nozzle and intermediate storage tank nozzle provide gas., will when system initial start-up according to specific embodiment of the utility model
Gas is passed into the feed arrangement, feed bin, intermediate storage tank, reactor, cooling chamber, indirect heat exchanger and cooling tower, will be entered
Atmosphere in material device, feed bin, intermediate storage tank, reactor, cooling chamber, indirect heat exchanger and cooling tower enters line replacement.By
The nozzle being connected with source of the gas is set respectively at feed bin and intermediate storage tank（That is the gas access of source of the gas）, gas is respectively fed to charging
Device, feed bin, intermediate storage tank, reactor, cooling chamber, indirect heat exchanger and cooling tower enter line replacement, at the same completely cut off reactor with
The contact of extraneous air, to ensure for anoxybiotic or oxygen deprivation atmosphere in reactor, reaches that whole system is in anoxybiotic or oxygen deprivation with this
The state of atmosphere.It is preferred that, valve is set between the feed bin nozzle and intermediate storage tank nozzle and the source of the gas respectively, to control
The break-make of gas；Valve 61 is set in the feed bin nozzle and between the source of the gas, led to the gas for controlling source of the gas to lead to feed bin
It is disconnected；Valve 62 is set between intermediate storage tank nozzle and the source of the gas, to control source of the gas to lead to the gas break-make of intermediate storage tank.Further
, the gas is for carbon dioxide or on inert gas of the pyrolytic reaction process without influence, preferably nitrogen.
According to embodiment of the present utility model, reactor in the electronic waste processing system to the particle diameter of electronic waste and
Species can handle raw material of different shapes without strict demand.According to specific embodiment of the utility model, the electronic waste exists
During into reactor, as long as being processed into the material that particle diameter is below 30mm by physical method；The electronic waste kind
Class is not particularly limited, and can be household electrical appliance, information technology and telecommunication device, electronic and electrical equipment, detection controller
The discarded electronic waste such as tool, medical equipment.
In other side of the present utility model, the utility model provides one kind and utilizes foregoing system to carry out electricity
The method of sub- garbage disposal, it is characterised in that comprise the following steps：
（1）First, gas is introduced to feed arrangement, feed bin, intermediate storage tank, reactor, cooling chamber, indirect heat exchanger and cold
But tower etc. enters line replacement, whole system is in inert atmosphere.
According to embodiment of the present utility model, when system initial start-up, gas is passed into the feed arrangement, material
Storehouse, intermediate storage tank, reactor, cooling chamber, indirect heat exchanger and cooling tower and connect each several part pipeline in, by feed arrangement,
Atmosphere in the pipeline of feed bin, intermediate storage tank, reactor, cooling chamber, indirect heat exchanger and cooling tower and connection each several part is carried out
Displacement.By setting the nozzle being connected with source of the gas respectively at feed bin and intermediate storage tank（That is the gas access of source of the gas）, send respectively
Enter gas to feed arrangement, feed bin, intermediate storage tank, reactor, cooling chamber, indirect heat exchanger and cooling tower and connect each several part
Pipeline enters line replacement, while completely cut off contacting for reactor and extraneous air, to ensure for anoxybiotic or oxygen deprivation atmosphere in reactor, with
This reaches that whole system is in the state of anoxybiotic or oxygen deprivation atmosphere.Further, the gas is carbon dioxide or anti-to being pyrolyzed
Inert gas of the process without influence is answered, by the feed arrangement, feed bin, intermediate storage tank, reactor, cooling chamber, indirect heat exchanger
Inert atmosphere is replaced into cooling tower and the pipeline for connecting each several part, whole system is in inert atmosphere, preferably nitrogen.
（2）By mechanical device, it will be transported to through broken and sorting electronic waste above screw feeding device
In hopper；Start the screw feeding device, the electronic waste in the hopper is delivered to feed bin.
According to embodiment of the present utility model, reactor in the electronic waste processing system to the particle diameter of electronic waste and
Species can handle raw material of different shapes without strict demand.According to specific embodiment of the utility model, the electronic waste exists
During into reactor, as long as being processed into the material that particle diameter is below 30mm by physical method；The electronic waste kind
Class is not particularly limited, and can be household electrical appliance, information technology and telecommunication device, electronic and electrical equipment, detection controller
The discarded electronic waste such as tool, medical equipment.According to embodiment of the present utility model, when systems are functioning properly, according to feed bin
With the material position situation of intermediate storage tank, the rotating speed of the screw feeding device is adjusted, it is to avoid electronic waste overfill or mistake in feed bin
It is few, it is ensured that the continuous operation of whole system.
（3）The valve on gas pipeline is opened, the gas in source of the gas is introduced into the feed bin, to the air in the feed bin
Enter line replacement, the air come in electronic waste is blown off, waste gas is from the exhausting pipeline discharge on the feed bin, by the feed bin
In atmosphere be replaced into after inert atmosphere, close the valve of the feed bin exhausting pipeline.
（4）The valve on gas pipeline is opened, the gas in source of the gas is introduced into intermediate storage tank, in the intermediate storage tank
Air enters line replacement, and the atmosphere in the intermediate storage tank is replaced into by waste gas from the exhausting pipeline discharge on the intermediate storage tank
After inert atmosphere, the valve closed on exhausting pipeline.
（5）Open the second push-pull valve between the feed bin and the intermediate storage tank, electronic waste is along under connecting pipe
The intermediate storage tank is dropped down onto, second push-pull valve is closed, and is delayed after a period of time, the intermediate storage tank and reactor is opened
Between the 3rd push-pull valve, electronic waste enters closed reactor along the connecting pipe set between intermediate storage tank and reactor
In.
According to specific embodiment of the utility model, when system initial start-up, the material position in the feed bin reaches that one sets
When determining height, the second push-pull valve between the feed bin and the intermediate storage tank is opened, when material position is reduced to a setting height,
Second push-pull valve, opens the valve on gas pipeline, the gas in source of the gas is introduced into the intermediate storage tank, will be with electronics
The air displacement that rubbish enters, waste gas is discharged from the exhausting pipeline on the intermediate storage tank.After intermediate storage tank is replaced, close
Valve on exhausting pipeline, starts reactor heater, reactor is heated into 600-900 DEG C, later on intermediate storage tank
The 3rd push-pull valve between reactor, promotes spiral to be distributed in electronic waste instead by the material for being arranged on inside reactor
Answer and pyrolytic reaction is carried out in device.For example, when electronic waste is printed circuit board (PCB), obtaining particle diameter through broken and sorting process is
After below 30mm material, sent into by mechanical device in feed auger, intermediate storage tank is transported to via feed bin, opened reactor and add
Hot cell, is heated to reactor, and temperature of reactor is heated into 800 DEG C.Open intermediate storage tank and the reaction of feed system
The 3rd push-pull valve in device, material is sent into reactor and carries out pyrolytic reaction.
According to embodiment of the present utility model, when systems are functioning properly, according to the material position situation of feed bin and intermediate storage tank,
The push-pull valve of alternation switch second and the 3rd push-pull valve.According to preferred embodiment of the present utility model, the second push-pull valve and the material
The level-sensing device interlocking in storehouse, and set interlocking value, being turned on and off of the second push-pull valve is adjusted with specific reference to interlocking value.It is excellent
Choosing, the interlocking value is the 1/3-3/4 of feed bin height.When the interlocking value of the second push-pull valve and the level-sensing device of the feed bin is less than
When 1/3, the second push-pull valve is closed；When the interlocking value of the second push-pull valve and the level-sensing device of the feed bin is in 1/3-3/4, open
Second push-pull valve.According to preferred embodiment of the present utility model, the level-sensing device of the 3rd push-pull valve and the intermediate storage tank is interlocked, and
And setting interlocking value, being turned on and off of the 3rd push-pull valve be adjusted with specific reference to interlocking value.It is preferred that, the interlocking value is
The 1/4-3/4 of intermediate storage tank height.When the interlocking value of the 3rd push-pull valve and the level-sensing device of the intermediate storage tank is less than 1/4, close
Close the 3rd push-pull valve；When the interlocking value of the 3rd push-pull valve and the level-sensing device of the intermediate storage tank is located between 1/4-3/4, open
3rd push-pull valve.According to preferred embodiment of the present utility model, at least two the are set between the intermediate storage tank and reactor
Three push-pull valves；It is preferred that, two the 3rd push-pull valves are set between the intermediate storage tank and reactor, when the 3rd push-pull valve of unlatching
When, the 3rd push-pull valve being connected with the intermediate storage tank is first turned on, the 2S that is then delayed opens the be connected with the reactor
Three push-pull valves.
（6）The heated slag charge exit for occurring to move forward to end while pyrolytic reaction of electronic waste, pyrolysis is produced
Oil gas vent discharge of the oil gas product above reactor, sequentially enter indirect heat exchanger and cooling tower and carry out cooling treatment
Afterwards, tar and fixed gas are obtained, and is stored respectively；Solid product exports discharge from the slag charge below reactor, sends into cold
But room is sufficiently cooled to less than 200 DEG C, feeding finished room storage.
According to specific embodiment of the utility model, the material pyrolization modules of the reactor promote spiral shape for material
Formula, the material promotes spiral to be entered in the case where outside motor belt motor is dynamic with certain rotational speed, material after reactor, in reaction
It is heated in device, pyrolytic reaction occurs with the rise of temperature；While the material promotes spiral to push ahead with material,
Until reaching discharge end, the gaseous product of generation sequentially enters indirect heat exchanger, cooling after the top discharge of reactor end
Tower is cooled down, and obtained tar and fixed gas is stored respectively；The solid product of generation is after the lower section discharge of reactor end
After being cooled down into cooling chamber, feeding finished room storage.In material pyrolytic process, material can be adjusted and promote turning for spiral
Dynamic speed, is finished with ensureing that material is pyrolyzed before reaching discharging opening, also, material continuously enters and reaction is participated in reactor, instead
The product that should be obtained promotes spiral continuously to discharge by the material in reactor, and whole process is continuous feed, continuous discharge mistake
Journey；The heating unit of the reactor can be electrical heating form, reactor be heated by electrical heating module, the electricity
Heating module can accurately control institute's making alive, and heating rate can be accurately controlled by control voltage, so as to realize to reaction
The efficient stable of device continues heat supply, makes that material is continuous, stably, quickly and fully occur pyrolytic reaction.Further, the gas
For carbon dioxide or on inert gas of the pyrolytic reaction process without influence, preferably nitrogen；During pyrolytic reaction, in reactor
Stress control is within 0.1MPa, it is preferred that control reactor pressure by being arranged on the air-introduced machine after cooling tower.According to
Specific embodiment of the utility model, the high-temperature gas product is cooled to less than 40 DEG C through indirect heat exchanger, cooling tower, can be with
Isolated product liquid tar and gaseous product fixed gas.Wherein, the tar can be from indirect heat exchanger bottom and cooling
It is isolated in tower cooler water, with phenol and its containing other functional group's aromatic compounds, the aromatic series containing phenyl ring in tar
It is important industrial chemicals based on compound；The C such as hydrogen, methane, carbon monoxide, ethane, propane are included in the fixed gas4With
Under hydrocarbon compound, obtained gas products calorific value up to 11.25-15.21MJ/m3, can be used as combustion gas.
（7）Cooling water is sprayed by the atomizer being arranged in cooling chamber, is fully contacted with solid product, cooling solid
Water is heated while product, is generated in saturated vapor, the saturated vapor feeding reactor and is participated in pyrolytic reaction.
According to embodiment of the present utility model, the cooling chamber is connected with the slag charge outlet of the reactor, for institute
State the high-temp solid product discharged in reactor and cooling treatment is carried out in the presence of cooling water；Meanwhile, the cooling chamber goes out
Gas port is connected with the charging aperture of the reactor, for steam to be sent into reactor, improves the hydrogen constituent content in thermal decomposition product.
The cooling chamber is provided with cooling water nozzle, preferably atomizer, and the specific set-up mode of the atomizer is unrestricted, can
To be arranged on above cooling chamber, cooling chamber surrounding can also be arranged in, for by cooling water with vaporific form and high temperature
After thermal decomposition product contact, steam is generated, also, the cooling chamber bottom is provided with cooled product outlet, for by after cooling treatment
Solid product discharge.After the high-temp solid product enters the cooling chamber, obtained after being cooled down in the presence of cooling water
Solid product, discharges the cooling chamber, feeding finished room storage；It is heated while cooling water cooling solid product, generation is full
And steam, it is available for system to be pyrolyzed required or outer confession in itself, it is preferred that obtained vapor enters the reactor via charging aperture
Middle participation pyrolytic reaction, improves the hydrogen constituent content in thermal decomposition product.
Embodiment 1
First, from nitrogen as inert gas, nitrogen is sent to enter system, to feed system, reactor, cooling system and company
The pipeline for connecing each several part enters line replacement, whole system is in inert atmosphere.When electronic waste elects printed circuit board (PCB) as, through broken
Broken and sorting unit crushed, sort after obtain material of the particle diameter for below 30mm, feed system is sent into by mechanical device.Open
Reactor heating unit is opened, reactor is heated, temperature of reactor is heated to 800 DEG C.Open the centre of feed system
Storage tank and the cutting-off valve in reactor, material is sent into reactor.Pyrolytic reaction occurs in the reactor for material, generation
Gaseous product is sequentially cooled down, obtained tar after the top discharge of reactor end into indirect heat exchanger, cooling tower
Stored respectively with fixed gas；After the solid product of generation is cooled down after the lower section discharge of reactor end into cooling chamber,
Send into finished room storage.During pyrolytic reaction, material is continuously entered by feed system and participates in reacting in reactor, is reacted
To product by the material that is set in reactor promote spiral continuously to discharge, whole process is continuous feed, continuous discharge mistake
Journey.In course of reaction, reactor pressure is controlled within 0.1MPa.
Process described in the utility model can long-term smooth operation, material composition analysis result such as table 1 is resulting to compare
The yield and main character of stable thermal decomposition product are shown in Table 2, and the composition analysis result of resulting more stable pyrolysis gas is shown in Table
3。
The feedstock analysis result of table 1
The data result of the thermal decomposition product of table 2
| Embodiment | Tar | Purified gas | Semicoke |
| 1 | 9.2 | 12.36 | 58.7 |
The composition analysis result of the pyrolysis gas of table 3
| Title | H2 | CO2 | O2 | N2 | CH4 | CO |
| Content (%) | 44.8 | 7.3 | 1.9 | 4.8 | 22.3 | 18.9 |
In description of the present utility model, it is to be understood that term " on ", " under ", "left", "right", " interior ", " outer " etc.
The orientation or position relationship of instruction are, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model
Described with simplifying, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific orientation structure
Make and operate, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second " are only used for describing mesh
, and it is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, limit
Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".It is new in this practicality
In the description of type, unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or point connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can in an appropriate manner be combined in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle of the present utility model and objective, replaced
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (8)
1. a kind of electronic waste processing system, it is characterised in that including：Broken and sorting unit, feed arrangement, feed bin, centre
Storage tank, reactor, cooling chamber, indirect heat exchanger and cooling tower, wherein,
The broken and sorting unit is connected with the feed arrangement, for electronic waste to be carried out into broken, sorting process；
The feed arrangement is located at the top of the feed bin, is connected with the charging aperture of the feed bin, wherein, the feed bin is closing
System, the feed bin top is provided with exhausting pipeline, is surround in the periphery in the feed bin lower taper portion and lays multiple nozzles, is used for
Feed gas into the feed bin, carry out atmosphere displacement, the nozzle is connected with source of the gas；
The entrance of the intermediate storage tank is connected with the discharging opening of the feed bin bottom, and between the feed bin and the intermediate storage tank
Provided with valve, the break-make for controlling electronic waste raw material；Wherein, the intermediate storage tank is on closed system, the intermediate storage tank
Portion is provided with exhausting pipeline, is surround in the periphery in the intermediate storage tank lower taper portion and lays multiple nozzles, for feeding gas into
In the intermediate storage tank, atmosphere displacement is carried out；The nozzle is connected with source of the gas；
The lower part outlet of the intermediate storage tank is connected with the charging aperture on the reactor top；
The reactor be closed reactor, and the reactor lower part slag charge outlet be connected with the cooling chamber, it is described cold
But the gas outlet of room is connected with the charging aperture of the reactor, for steam to be sent into reactor；
The indirect heat exchanger is connected with the oil gas vent of the reactor, and the gaseous product for the reactor to be produced is sent
Enter the indirect heat exchanger and carry out preliminary cooling treatment；
The entrance of the cooling tower is connected with the outlet of the indirect heat exchanger, for the gaseous product tentatively cooled down to be entered
Row secondary cooling, obtains fixed gas and tar.
2. system according to claim 1, it is characterised in that the outlet of the broken and sorting unit connects with mechanical device
Connect, for broken, sorting electronic waste to be delivered in the mechanical device；The feed arrangement is feed auger, its top
Provided with hopper, broken, sorting electronic waste is transported in the hopper by the mechanical device.
3. system according to claim 1, it is characterised in that the valve is the second push-pull valve；The gas is titanium dioxide
Carbon or on inert gas of the pyrolytic reaction process without influence.
4. system according to claim 1, it is characterised in that the cooling chamber is provided with cooling water nozzle, the cooling water
Nozzle is atomizer, after cooling water is contacted in vaporific form with high temperature pyrolysis product, generates steam, also, institute
Cooling chamber bottom is stated provided with cooled product outlet；The indirect heat exchanger has coolant outlet and cooling water inlet；It is described cold
But tower has cooling water inlet and fixed gas outlet.
5. the system according to any one of claim 1-4, it is characterised in that set between the feed arrangement and feed bin
First push-pull valve；At least two the 3rd push-pull valves are set between the intermediate storage tank and reactor；Respectively in the feed bin nozzle
Valve is set between intermediate storage tank nozzle and source of the gas, to control the break-make of gas.
6. the system according to any one of claim 1-4, it is characterised in that the reactor includes：Material pyrolysis group
Part, heating unit and reactor shell, the material pyrolization modules are across the both sides of the reactor shell, and the material
The exposed outside in the reactor shell in two ends of pyrolization modules；The material pyrolization modules include shaped spiral housing and thing
Material promotes spiral, wherein, the shaped spiral housing is extended through from the reactor shell side along the reactor enclosure intracoelomic cavity
The opposite side of the reactor shell, the exposed outside in the reactor shell in two ends of the shaped spiral housing so that
Confined space is formed between the reactor shell and the shaped spiral housing, the heating unit is located at the interior of the confined space
Portion, including：For providing the heating module of thermal source and for ensureing that the heating wire in the heating module is pyrolyzed with the material
The insulating barrier of shaped spiral housing insulation in component, also, the heating unit is divided at least threeth area, and energy in the longitudinal direction
The programming rate in each area is controlled respectively.
7. system according to claim 6, it is characterised in that the heating unit is divided into an area, 2nd area and 3rd area, its
In, area's heating rate be 40-80 DEG C/min, two area's heating rates be 30-60 DEG C/min, three area's heating rates be 20-60 DEG C/
min；Charging aperture, oil gas vent, slag charge outlet are provided with the exposed shaped spiral housing outside the reactor shell, and
And the material inlet is located at the shaped spiral housing upper right quarter, the oil gas vent is located at the shaped spiral housing upper left quarter, described
Slag charge outlet is located at the shaped spiral housing lower left quarter.
8. the system according to any one of claim 1-4, it is characterised in that on the side wall of the feed bin and intermediate storage tank
Be fixedly mounted level-sensing device, and the level-sensing device of feed bin and the second push-pull valve are interlocked, the level-sensing device of intermediate storage tank with
3rd push-pull valve is interlocked, the switch for controlling push-pull valve according to material position value.
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|---|---|---|---|
| CN201621354805.7U CN206474489U (en) | 2016-12-12 | 2016-12-12 | A kind of electronic waste processing system |
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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 |
|---|---|---|---|---|
| CN107937141A (en) * | 2017-12-22 | 2018-04-20 | 北京京城环保股份有限公司 | One kind is used for kitchen treatment industry waste grease process for extracting and device |
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2016
- 2016-12-12 CN CN201621354805.7U patent/CN206474489U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107937141A (en) * | 2017-12-22 | 2018-04-20 | 北京京城环保股份有限公司 | One kind is used for kitchen treatment industry waste grease process for extracting and device |
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