CN106482113A - A kind of heat accumulating type deflection plate electronic gas refuse pyrolysis system - Google Patents
A kind of heat accumulating type deflection plate electronic gas refuse pyrolysis system Download PDFInfo
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- CN106482113A CN106482113A CN201611136960.6A CN201611136960A CN106482113A CN 106482113 A CN106482113 A CN 106482113A CN 201611136960 A CN201611136960 A CN 201611136960A CN 106482113 A CN106482113 A CN 106482113A
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- gas
- pyrolysis
- shaped spiral
- spiral housing
- deflection plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Processing Of Solid Wastes (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The present invention relates to refuse pyrolysis technical field, especially relate to a kind of heat accumulating type deflection plate electronic gas refuse pyrolysis system.This system includes：Raw material processing system, metal recovery system and electronic waste pyrolytic reaction system, wherein, described raw material processing system includes breaker and sorting unit；Described metal recovery system includes acidleach pond and electrolyzer；Described electronic waste pyrolytic reaction system includes：Electronic waste pyrolysis reactor, regenerative gas heating system and cooling separation, wherein, described electronic waste pyrolysis reactor includes：Material pyrolization modules and reactor shell；Described regenerative gas heating system includes：Heat accumulating burner, exhaust gases passes, and deflection plate；Described cooling separation includes：Indirect heat exchange dress device and cooling tower.This system has pyrolysis efficiency high, continuous feeding and discharging and is divided into organic matter and metal part to process recovery, energy-conserving and environment-protective respectively electronic waste.
Description
Technical field
The present invention relates to refuse pyrolysis technical field, especially relate to a kind of heat accumulating type deflection plate electronic gas refuse pyrolysis
System.
Background technology
In recent years, various electronic products are maked rapid progress, and new and old replacement is increasingly faster, and the electronic waste producing therefrom is just
Increased with exponential.The heavy metal element that it contains can be serious pollution environment, if electronic waste is dealt with improperly will produce
The toxic and harmfuls such as raw dioxin cause secondary pollution.Currently used for electronic circuit board processing method mainly by mechanical-physical
Method, metallurgical extraction method, biological treatment and pyrolysismethod etc., wherein mechanical approach, metallurgical extraction method, biological treatment etc. are main
The recovery of metal in circuit board to be laid particular emphasis on, using pyrolysismethod can not only metal in recovery train plate and also enable line
The resource of the Non-metallic components such as resin, glass fibre in the plate of road, conventional pyrolytic mode does not enable continuous feeding and discharging, and is pyrolyzed
Complex process, pyrolysis efficiency are low, energy consumption is higher.
Adopting thermogravimetric test equipment existing electronic waste pyrolysis reactor, the device of employing is tested for fixed-bed pyrolysis more
Device, this device mainly includes resistance furnace, pyrolysis reactor, nitrogen cylinder and collection and confinement of gases bag etc..Wherein resistance furnace provides heat
, there is a space in source inside it, pyrolysis reactor is a hydrostatic column, and material is just put in pyrolysis reactor.Pyrolysis is real
When testing, first the pyrolysis reactor equipped with material is put in resistance furnace, then open nitrogen cylinder be passed through nitrogen start purge,
After purging enough time, resistance furnace energising produces temperature field, and material just starts to be pyrolyzed, and airbag starts to collect gas, waits gas
When body does not regenerate, experiment terminates, and treats that body of heater naturally cools to 40 DEG C, opens body of heater, takes out pyrolysis residue, weighs and unit
Element analysis, finally closes instrument.Above-mentioned fixed-bed pyrolysis experimental technique, does not enable material and is back to back, accordingly
Do not enable material continuous pyrolysis, and the point of most critical of the present invention is exactly the reactor using screw propulsion mode, realize continuous
Turnover material, continuous pyrolysis are so that pyrolytic process is more simple and efficient, and the pyrolytic process of this kind of material of being back to back is more
Easily realize industrialization.Therefore, how to design a kind of efficient, system structure and all simple system of technological process becomes this area urgently
The problem that need to solve.
Content of the invention
The present invention is directed to the deficiencies in the prior art it is proposed that a kind of heat accumulating type deflection plate electronic gas refuse pyrolysis system.
This system has pyrolysis efficiency high, continuous feeding and discharging and is divided into organic matter and metal part to process back respectively electronic waste
Receive, the advantages of the thermal source in device, pressure, atmosphere are stable, energy-saving effect is notable.
For solving above-mentioned technical problem, the technical solution used in the present invention is：
The present invention proposes a kind of heat accumulating type deflection plate electronic gas refuse pyrolysis system.According to embodiments of the invention, this is
System includes：Raw material processing system, metal recovery system and electronic waste pyrolytic reaction system, wherein, described raw material processing system
Including breaker and sorting unit, for electronic waste is sorted as metal part and organic matter fractions；Described metal recovery
System includes acidleach pond and electrolyzer, and the metal part for obtaining sorting is sent in described acidleach pond, is added thereto to strong
Acid solution, after metal is completely dissolved, the remaining cigarette producing through described electronic waste pyrolytic reaction system without metal part
After air dry is dry, mix with described organic matter fractions, enter described electronic waste pyrolytic reaction system and carry out pyrolytic reaction, metal
The strong acid solution rich in metal ion obtaining after dissolving is sent in described electrolyzer and is carried out cell reaction, reclaims metallic copper；Institute
State electronic waste pyrolytic reaction system to include：Electronic waste pyrolysis reactor, regenerative gas heating system and refrigerated separation system
System, wherein, described electronic waste pyrolysis reactor includes：Material pyrolization modules and reactor shell, described material pyrolization modules
Across the both sides of described reactor shell, and described material pyrolization modules two ends exposed in described reactor shell
Outside, described material pyrolization modules include shaped spiral housing and material propulsion spiral,
Wherein, described shaped spiral housing extends through described reaction from described reactor shell side along described reactor enclosure intracoelomic cavity
The opposite side of device housing, the exposed outside in described reactor shell in two ends of described shaped spiral housing is so that described reaction
Form confined space, described confined space constitutes described regenerative gas heating system between device housing and described shaped spiral housing
Reactor shell exhaust gases passes；Described regenerative gas heating system includes：Heat storage type combustion for producing heat smoke fills
Put and be used for convey the reactor shell exhaust gases passes of heat smoke, also include the deflection plate for changing flue gas flow direction, described storage
Hot type burner is connected with described exhaust gases passes, and described deflection plate is installed on described reactor shell and described shaped spiral housing
Between described exhaust gases passes in, it is evenly arranged perpendicular to described shaped spiral housing and along described shaped spiral housing length direction；Institute
State cooling separation to include：Indirect heat exchanger and for by cooled for the high-temperature gas product cooling obtaining pyrolysis gas and tar
Tower；Wherein, the entrance of described indirect heat exchanger is connected with oil gas vent.
Inventor finds, this system according to embodiments of the present invention, can achieve material of being back to back, material is in pyrolytic reaction
It is tiled in device, contacts with shaped spiral housing fully, high-temperature spiral housing passes through radiation and heat conduction two ways and heats to material, because
This material can be fully quickly pyrolyzed, and material is pushed into spiral in pyrolytic process and gradually pushes ahead it is achieved that side
The function of pyrolysis side propulsion；The method that the present invention adopts the pretreatment of raw material front end, by heavy metal removing, using heat accumulating type deflection plate
As the thermal source of pyrolysis reactor, its fuel is high heating value combustion gas to gas heating system（Natural gas, liquefied petroleum gas etc.）, due to
Employ heat storage type combustion mode, combustion air is preheating to high temperature by regenerator, it is achieved thereby that efficient stable burning.Flue gas leads to
In road, deflection plate is installed so that flue gas flows around deflection plate, flow field is more uniform, shaped spiral housing is by heating evenly, real
Show material of being back to back, material is by continuously quickly fully pyrolysis and the function such as energy-efficient, and utilize Feedstock treating
System and metal recovery system, it is to avoid the severe contamination that heavy metal causes, environmental protection.
According to embodiments of the invention, the exposed described shaped spiral housing in described reactor enclosure external body is provided with material
Import, oil gas vent, slag charge outlet, and described material inlet is located at described shaped spiral housing upper right quarter, described oil gas vent position
In described shaped spiral housing upper left quarter, described slag charge outlet is located at described shaped spiral housing lower left quarter；
Described material propulsion spiral is located inside described shaped spiral housing, and described material propulsion spiral includes helical axis and spiral
Blade, described helical blade is fixed on described helical axis and is arranged to be rotated coaxially with described helical axis, described spiral
Axle stretches out described shaped spiral housing in described material inlet side, and the length of described helical blade is identical with described shaped spiral housing.
According to embodiments of the invention, described heat accumulating burner include air line, burning line, flue gas pipeline,
Reversal valve, regenerator and combustor, described air line and described flue gas pipeline are connected with described reversal valve respectively, described commutation
Valve is connected with described regenerator, and described regenerator is connected with described combustor.
According to embodiments of the invention, described heat accumulating burner includes 2 combustor, 2 regenerator and 2 and changes
To valve, described combustor, regenerator, reversal valve are respectively arranged in the both sides of described reactor shell, in normal work, described
Can alternately burn-smoke discharging in the both sides of heat storage type combustion.
According to embodiments of the invention, described shaped spiral housing is heat-resisting steel sheel, and thickness is electrolyzer middle-jiao yang, function of the spleen and stomach described in 5-8mm
Pole material is graphite, and cathode material is titanium plate, corrosion resistant plate, copper coin and proof gold plate, and the voltage range of this electrolyzer is 0.1-3V,
Electric current density is 1-5A/dm2, in electrolyzer, temperature is 20-80 DEG C, the flue gas temperature that described electronic waste pyrolytic reaction system produces
Spend for 90-140 DEG C, described strong acid solution is concentrated sulphuric acid or chloroazotic acid.
According to embodiments of the invention, the outer wrap of described reactor shell has insulation material,
Described insulation material is heat-preservation cotton, and described heat-preservation cotton external galvanized iron sheet parcel.
According to embodiments of the invention, described deflection plate is located in described exhaust gases passes, for changing flue gas flow direction so that
Flue gas can more uniformly heat described shaped spiral housing.
According to embodiments of the invention, described pyrolysis gas are rich in combustibility and the reproducibility of methane, hydrogen and carbon monoxide
Gas, one part is used for described heating system raw material combustion gas, and heating repeats itself utilizes, and another part can be used as also Primordial Qi.
In another aspect of the present invention, the invention provides one kind is carried out to electronic waste using foregoing system
The method of pyrolysis.According to embodiments of the invention, the method comprises the following steps：First：Feedstock treating：Electronic waste raw material enters
Enter described breaker to be crushed, then sieved through sorting unit, obtain metal and organic matter；
Second：Metal recovery：By metal part send into acidleach pond in, after metal is completely dissolved, remaining without metal part
After flue gas drying, mix with described organic matter fractions, enter response system and carry out pyrolytic reaction；The richness obtaining after dissolving metal
The strong acid solution of metal ion is sent in electrolyzer and is carried out cell reaction, reclaims metallic copper；3rd：Open regenerative gas to add
Hot systems, its step is as follows：Open A side air line, be then turned on A side burning line, starting ignition rifle lights air and combustion
The mixed gas of gas, mixed gas produce high-temperature flue gas after burning in A side combusion chamber, and high-temperature flue gas enter into reactor enclosure
Internal exhaust gases passes, in described exhaust gases passes, high-temperature flue gas flow around deflection plate and heat to described shaped spiral housing, then
Enter into B side exhaust opening, last flue gas is discharged in external environment through B side regenerator, B side reversal valve and flue gas pipeline, A side
After burning certain time, both sides reversal valve commutates, and starts the burning of B side, now discharged fume in A side, both sides alternate combustion-smoke evacuation
Gas；4th, material pyrolytic process：After combustion system is stable, shaped spiral housing is heated to uniform temperature, can put in material inlet
Material, the back forward movement side that described material enters into propulsion spiral is pyrolyzed, until move to slag charge outlet being pyrolyzed
Finish, the gas that pyrolysis produces is discharged from oil gas vent, remaining pyrolysis slag charge is discharged from slag charge outlet, described high-temperature gas
After described cooling separation, obtain pyrolysis gas and tar, this pyrolysis gas is rich in methane, hydrogen, the combustibility of carbon monoxide
And reducibility gas, a part, as heating system raw material combustion gas, heats itself, and another part can be used as also Primordial Qi.
According to embodiments of the invention, in described step 3, described A side is the left side of described reactor shell, described B side
Right side for described reactor shell；In described step 4, described shaped spiral housing is heated to 600-700 DEG C.
The present invention at least has the advantages that：
Using this heat accumulating type deflection plate electronic waste pyrolysis system, can achieve material of being back to back, material is in pyrolysis reactor
It is tiled, contacts with shaped spiral housing fully, high-temperature spiral housing passes through radiation and heat conduction two ways and heats to material, therefore thing
Material can be fully quickly pyrolyzed, and material is pushed into spiral in pyrolytic process and gradually pushes ahead it is achieved that side is pyrolyzed
The function of side propulsion；The method that the present invention adopts the pretreatment of raw material front end, by heavy metal removing, using heat accumulating type deflection plate combustion gas
As the thermal source of pyrolysis reactor, its fuel is high heating value combustion gas to heating system（Natural gas, liquefied petroleum gas etc.）, due to adopting
Heat storage type combustion mode, combustion air is preheating to high temperature by regenerator, it is achieved thereby that efficient stable burning.In exhaust gases passes
Deflection plate is installed so that flue gas flows around deflection plate, flow field is more uniform, shaped spiral housing by heating evenly it is achieved that
Be back to back material, material is by continuously quickly fully pyrolysis and the function such as energy-efficient, and utilizes raw material processing system
With metal recovery system, it is to avoid severe contamination, energy-conservation and environmental protection that heavy metal causes.
Brief description
Fig. 1 is the raw material processing system of heat accumulating type deflection plate electronic gas refuse pyrolysis system according to embodiments of the present invention
With metal recovery system schematic.
Fig. 2 is the pyrolysis reactor knot of heat accumulating type deflection plate electronic gas refuse pyrolysis system according to embodiments of the present invention
Structure schematic diagram.
Fig. 3 is that the pyrolytic reaction system of the heat accumulating type deflection plate electronic gas refuse pyrolysis system of the embodiment of the present invention is illustrated
Figure.
Fig. 4 is the half-section diagram of two various locations of reactor shell of the embodiment of the present invention.
Fig. 5 is the mobility status schematic diagram around deflection plate for the flue gas in the exhaust gases passes of the embodiment of the present invention.
Wherein, material propulsion spiral 10, material inlet 11, slag charge outlet 12, oil gas vent 13, shaped spiral housing 14, reaction
Device housing 15, exhaust gases passes 16, deflection plate 17, through hole 17-1, indirect heat exchanger 18, cooling tower 19, regenerative gas heating system
System 20, A side combusion chamber（A side exhaust opening）20-1, B side combusion chamber（B side exhaust opening）20-2, A side regenerator 21-1, the accumulation of heat of B side
Room 21-2, A side reversal valve 22-1, B side reversal valve 22-2, burning line 23, air line 24, flue gas pipeline 25.
Specific embodiment
In order that those skilled in the art more fully understand technical scheme, with reference to specific embodiment to this
Invention is described in further detail.The embodiments described below is exemplary, is only used for explaining the present invention, and is not understood that
For limitation of the present invention.
The present invention proposes a kind of heat accumulating type deflection plate electronic gas refuse pyrolysis system.According to embodiments of the invention,
Fig. 1 is the raw material processing system of heat accumulating type deflection plate electronic gas refuse pyrolysis system according to embodiments of the present invention and metal returns
Receive system schematic, Fig. 3 is the pyrolytic reaction system of the heat accumulating type deflection plate electronic gas refuse pyrolysis system of the embodiment of the present invention
System schematic diagram, with reference to shown in Fig. 1 and Fig. 3, this system includes：Raw material processing system, metal recovery system and electronic waste pyrolysis
Response system, wherein, described raw material processing system includes breaker and sorting unit, for sorting electronic waste for metal
Part and organic matter fractions；Described metal recovery system includes acidleach pond and electrolyzer；Described electronic waste pyrolytic reaction system
Including：Electronic waste pyrolysis reactor, regenerative gas heating system 20 and cooling separation, wherein, Fig. 2 is according to this
The pyrolysis reactor structural representation of the heat accumulating type deflection plate electronic gas refuse pyrolysis system of bright embodiment, shown in reference Fig. 2,
Described electronic waste pyrolysis reactor includes：Material pyrolization modules and reactor shell 15, described material pyrolization modules are across institute
State the both sides of reactor shell, and the exposed outside in described reactor shell in two ends of described material pyrolization modules；
Described regenerative gas heating system includes：For producing the heat accumulating burner of heat smoke and being used for conveying the anti-of heat smoke
Answer device housing exhaust gases passes 16, also include the deflection plate 17 for changing flue gas flow direction, described heat accumulating burner with described
Exhaust gases passes are connected, and described deflection plate is installed on the described exhaust gases passes between described reactor shell and described shaped spiral housing
In, it is evenly arranged perpendicular to described shaped spiral housing and along described shaped spiral housing length direction；Described cooling separation includes：
Indirect heat exchanger 18 and for by cooled for the high-temperature gas product cooling tower 19 obtaining pyrolysis gas and tar；Wherein, between described
The entrance connecing heat exchanger is connected with oil gas vent, and the outlet of indirect heat exchanger is connected with the entrance of described cooling tower.
Inventor finds, this system according to embodiments of the present invention, can achieve material of being back to back, material is in pyrolytic reaction
It is tiled in device, contacts with shaped spiral housing fully, high-temperature spiral housing passes through radiation and heat conduction two ways and heats to material, because
This material can be fully quickly pyrolyzed, and material is pushed into spiral in pyrolytic process and gradually pushes ahead it is achieved that side
The function of pyrolysis side propulsion；The method that the present invention adopts the pretreatment of raw material front end, by heavy metal removing, using heat accumulating type deflection plate
As the thermal source of pyrolysis reactor, its fuel is high heating value combustion gas to gas heating system（Natural gas, liquefied petroleum gas etc.）, due to
Employ heat storage type combustion mode, combustion air is preheating to high temperature by regenerator, it is achieved thereby that efficient stable burning.Flue gas leads to
In road, deflection plate is installed so that flue gas flows around deflection plate, flow field is more uniform, shaped spiral housing is by heating evenly, real
Show material of being back to back, material is by continuously quickly fully pyrolysis and the function such as energy-efficient, and utilize Feedstock treating
System and metal recovery system, it is to avoid the severe contamination that heavy metal causes, environmental protection.
According to embodiments of the invention, see figures.1.and.2 shown, described metal recovery system, for obtain sorting
Metal part send into described acidleach pond in, be added thereto to strong acid solution, after metal is completely dissolved, remaining without metal portion
After the flue gas drying that electronic waste pyrolytic reaction system described in lease making produces, mix with the aforementioned organic matter fractions obtaining, enter
Described electronic waste pyrolysis reactor carries out pyrolytic reaction, and the strong acid solution rich in metal ion obtaining after dissolving metal is sent into
Carry out cell reaction in described electrolyzer, reclaim metallic copper；Described electronic waste pyrolysis reactor be arranged in reactor shell with
Inside the described confined space that shaped spiral housing 14 is formed, and install between two parties along its length, described regenerative gas heating system
It is arranged in the outside of described reactor shell；Described material pyrolization modules include shaped spiral housing and material propulsion spiral 10, wherein,
Described shaped spiral housing is heat-resisting steel sheel, and thickness is 5-8mm, and from described reactor shell side along along described reactor enclosure body
Chamber extends through the opposite side of described reactor shell, two ends of described shaped spiral housing exposed in described reactor shell
So that forming confined space between described reactor shell and described shaped spiral housing, described confined space constitutes described storage for outside
The reactor shell exhaust gases passes of hot type gas heating system, the high-temperature flue gas that burning produces enter exhaust gases passes, then heat
Amount passes to its internal shaped spiral housing, material is pyrolyzed, the outer wrap of described reactor shell has insulation material, uses
In the radiation loss reducing wall.
According to embodiments of the invention, described electrolyzer anode material is graphite, and cathode material is titanium plate, rustless steel
Plate, copper coin and proof gold plate, the voltage range of this electrolyzer is 0.1-3V, and electric current density is 1-5A/dm2, in electrolyzer, temperature is
20-80 DEG C, described strong acid solution is concentrated sulphuric acid or chloroazotic acid.
Described electrolyzer 1 anode material is graphite, and cathode material is copper coin.The voltage range of this electrolyzer is 0.1-
3V, electric current density is 3A/dm2, in electrolyzer, temperature is 35 DEG C.More pure copper, product copper can be reclaimed in electrolyzer 1
Purity close to 100%, reclaim the response rate about 98% of the metallic copper of gained.
Described electrolyzer 2 anode material is graphite, and cathode material is proof gold plate.The voltage range of this electrolyzer is 0.1-
3V, electric current density is 8A/dm2, in electrolyzer, temperature is 70 DEG C.More pure gold, product gold can be reclaimed in electrolyzer 1
Purity close to 100%, reclaim the response rate about 98% of the noble metal gold of gained.
According to embodiments of the invention, described strong acid solution is chloroazotic acid（V concentrated hydrochloric acid：V concentrated nitric acid=3:1）, sulphuric acid, hydrochloric acid,
The strong acid such as nitric acid, hydrogen peroxide or Strong oxdiative solution or both mixture, solution concentration 0.5 ~ 2mol/L.To described rich in gold
Belong to and in the strong acid solution of ion, add alkali solid material, the pH value adjusting solution is to neutral or faintly acid, to mitigate to rear
Continuous workshop section equipment, the corrosiveness of pipeline.
According to embodiments of the invention, with reference to shown in Fig. 3, described indirect heat exchanger and oil gas vent, indirect heat exchanger with
The concrete connected mode of the entrance of described cooling tower is unrestricted, can be welding, riveting, engagement or structure-integrated, according to
Some embodiments of the present invention are it is preferred that the present invention is welding or structure-integrated.According to some embodiments of the present invention, institute
The entrance stating indirect heat exchanger is connected with oil gas vent, and the outlet of indirect heat exchanger is connected with the entrance of described cooling tower, works as heat
Vent one's spleen and discharge from described oil gas vent, enter described indirect heat exchanger, by recirculated water, high-temperature gas is carried out at once cooling
Reason, subsequently into cooling tower, carries out reducing temperature twice cooling by cooling water, the gas after cooling is gone out by the pyrolysis gas of cooling tower
Mouth is discharged.
According to embodiments of the invention, the flue-gas temperature that described electronic waste pyrolytic reaction system produces is 90-140 DEG C；
The concrete material of described shaped spiral housing is unrestricted, as long as being resistant to the material of more than 1000 DEG C of high temperature, the present invention
Using high-temperature refractory steel.
According to embodiments of the invention, described flammable and reducibility gas concrete species unrestricted it is preferred that this
Invent as methane, hydrogen and carbon monoxide.
According to embodiments of the invention, as shown in Fig. 2 on the exposed described shaped spiral housing in described reactor enclosure external body
It is provided with material inlet 11, oil gas vent 13, slag charge outlet 12, and described material inlet is located at described shaped spiral housing upper right
Portion, described oil gas vent is located at described shaped spiral housing upper left quarter, and described slag charge outlet is located at described shaped spiral housing lower left quarter.
After combustion system is stablized, described shaped spiral housing is heated to uniform temperature, can put into material in material inlet, institute
State material and enter into the back forward movement side of described propulsion spiral and be pyrolyzed, until move to slag charge outlet and being pyrolyzed and finish,
The gas that pyrolysis produces is discharged from described oil gas vent, and remaining pyrolysis slag charge is discharged from the outlet of described slag charge, described height
Wet body, after described cooling separation, obtains pyrolysis gas and tar, and this pyrolysis gas is rich in methane, hydrogen, carbon monoxide etc.
Combustibility and reducibility gas, a part, as heating system raw material combustion gas, heats itself, and another part can be used as also Primordial Qi.
According to embodiments of the invention, described material propulsion spiral is located inside described shaped spiral housing, and described material
Propulsion spiral include helical axis and helical blade, described helical blade be fixed on described helical axis and be arranged to can with described
Helical axis rotates coaxially, and described helical axis stretches out described shaped spiral housing, the length of described helical blade in described material inlet side
Degree is identical with described shaped spiral housing.With certain rotational speed under outside motor belt motor is moved, material enters described material propulsion spiral
To after described reactor, gradually it is pyrolyzed with the rising of temperature, is advanced to simultaneously, until being pyrolyzed before outlet
Finish, the pyrolysis gas that pyrolysis produces are discharged from described oil gas vent, the slag charge after pyrolysis exports from described slag charge and discharges.
According to embodiments of the invention, with reference to shown in Fig. 3, described heat accumulating burner includes air line 24, combustion gas
Pipeline 23, flue gas pipeline 25, reversal valve, regenerator and combustor, described air line and described flue gas pipeline respectively with described
Reversal valve connects, and described reversal valve is connected with described regenerator, and described regenerator is connected with described combustor.
According to embodiments of the invention, the concrete species of described air line is unrestricted, as long as can provide for fuel
Combustion air, air first passes through described reversal valve by described air line, then into the heat absorption of described regenerator,
It is heated to high temperature to described checker port, enter back into described combustor and burn with combustion gas mixing.
According to embodiments of the invention, the concrete species of described burning line is unrestricted, as long as combustion reaction can be
There is provided combustion gas, due to using high heating value combustion gas it is only necessary to air single regenerative can stably burn.
According to embodiments of the invention, the concrete material of described flue gas pipeline and species are unrestricted, as long as can be by flue gas
Discharge described reactor, flue gas pipeline of the present invention is flue gas exhausting pipe line, combustion product flue gas passes through described pipe
The externally discharged environment space of line.
According to embodiments of the invention, described reversal valve is used for air-flue gas commutation, when side is in fired state,
Regenerator is connected with described air line by described reversal valve, and then provides high temperature combustion air to burning；When side is in
During smoke evacuation state, described reversal valve commutation, now described regenerator is just connected with described flue gas pipeline by described reversal valve, cigarette
Gas just arranges external environment space.
According to embodiments of the invention, described regenerator is the medium of air-flue gas heat exchange, when side is in fired state
When, air enters described regenerator from described regenerator bottom, and described deflection plate is gradually cooled as it passes through the cooler；When side is in smoke evacuation state
When, flue gas enters described regenerator from described regenerator top, and described deflection plate is gradually heated by the sonochemical activity.
According to embodiments of the invention, described combustor is the combustion space of combustion gas, is the outlet of flue gas again, as
During for combustion space, first in described burning Indoor Combustion, the high-temperature flue gas of generation enter back into described reactor for combustion gas and air
Enclosure interior, burning is carried out in described burning interior, it is to avoid thermal-flame directly burns described shaped spiral housing；When arranging as flue gas
During discharge port, flue gas, from discharging herein, then sequentially enters described regenerator, reversal valve, the outside portion of heel row space.
According to embodiments of the invention, described heat accumulating burner includes 2 combustor, 2 regenerator and 2 and changes
To valve, described combustor, regenerator, reversal valve are respectively arranged in the both sides of described reactor shell, in normal work, described
Can alternately burn-smoke discharging in the both sides of heat storage type combustion.
According to embodiments of the invention, described combustor is divided into A side combusion chamber（A side exhaust opening）20-1 and B side combusion chamber
（B side exhaust opening）20-2, described heat accumulating type is divided into A side regenerator 21-1 and B side regenerator 21-2, and described reversal valve is divided into A side
Reversal valve 22-1, B side reversal valve 22-2.
When opening described regenerative gas heating system, its step is as follows：Open described A side air line, be then turned on
Described A side burning line, the mixed gas of air and combustion gas lighted by starting ignition rifle, and mixed gas are in described A side combusion chamber
High-temperature flue gas are produced, high-temperature flue gas enter into the described exhaust gases passes in described reactor enclosure body, in described flue gas after burning
In passage, high-temperature flue gas flow around described deflection plate and to described shaped spiral housing heating, then into B side exhaust opening, last cigarette
Gas is discharged in external environment through described B side regenerator, B side reversal valve and flue gas pipeline, after the burning certain time of A side,
Both sides reversal valve commutation, starts the burning of B side, now discharged fume in A side, both sides alternate combustion-smoke discharging.
According to a particular embodiment of the invention, the concrete species of described insulation material is unrestricted, as long as guarantor can be reached
The effect of temperature.In some embodiments of the invention, described insulation material is heat-preservation cotton, and described heat-preservation cotton external is zinc-plated
Iron plate parcel compacting, to ensure heat insulating ability.
According to a particular embodiment of the invention, the heat storage within described regenerator can adopt ceramic bead or ceramic honeycomb
Body, preferably ceramic honeycomb ceramics.
According to a particular embodiment of the invention, Fig. 4 is two various locations of reactor shell of the embodiment of the present invention
Half-section diagram, Fig. 5 is the mobility status schematic diagram around deflection plate for the flue gas in the exhaust gases passes of the embodiment of the present invention, reference picture
1st, shown in Fig. 4 and Fig. 5, described deflection plate is located in described exhaust gases passes, for changing flue gas flow direction so that flue gas is along deflection plate
Stream up and down, so in entirely shown exhaust gases passes, flow of flue gas is more uniformly so that flue gas can more uniformly heat institute
State shaped spiral housing.
In another aspect of the present invention, the invention provides one kind is carried out to electronic waste using foregoing system
The method of pyrolysis.According to embodiments of the invention, the method comprises the following steps：
First：Feedstock treating：Electronic waste raw material enters described breaker and is crushed, then is sieved through sorting unit
Point, obtain metal and organic matter.
By electronic waste raw material through simply disassembling, send in mechanical crusher and crushed, raw material is crushed to 0 ~
The electronic waste granule of 30mm.Then sorted, it is sorted as metal part and organic matter fractions.
Second：Metal recovery：By metal part send into acidleach pond in, after metal is completely dissolved, remaining without metal
Part, after flue gas drying, is mixed with described organic matter fractions, enters response system and carries out pyrolytic reaction.Obtain after dissolving metal
Strong acid solution rich in metal ion send in electrolyzer and carry out cell reaction, reclaim metallic copper.
According to embodiments of the invention, described electrolyzer anode material is graphite, and cathode material is titanium plate, rustless steel
Plate, copper coin and proof gold plate, the voltage range of this electrolyzer is 0.1-3V, and electric current density is 1-5A/dm2, in electrolyzer, temperature is
20-80 DEG C, described strong acid solution is concentrated sulphuric acid or chloroazotic acid.
Described electrolyzer 1 anode material is graphite, and cathode material is copper coin.The voltage range of this electrolyzer is 0.1-
3V, electric current density is 3A/dm2, in electrolyzer, temperature is 35 DEG C.More pure copper, product copper can be reclaimed in electrolyzer 1
Purity close to 100%, reclaim the response rate about 98% of the metallic copper of gained.
Described electrolyzer 2 anode material is graphite, and cathode material is proof gold plate.The voltage range of this electrolyzer is 0.1-
3V, electric current density is 8A/dm2, in electrolyzer, temperature is 70 DEG C.More pure gold, product gold can be reclaimed in electrolyzer 1
Purity close to 100%, reclaim the response rate about 98% of the noble metal gold of gained.
3rd：Open regenerative gas heating system, its step is as follows：Open A side air line, be then turned on the combustion of A side
Gas pipeline, the mixed gas of air and combustion gas lighted by starting ignition rifle, and mixed gas produce high after burning in A side combusion chamber
Warm flue gas, high-temperature flue gas enter into the exhaust gases passes in reactor enclosure body, and in described exhaust gases passes, high-temperature flue gas are around deflection plate
Flow and to described shaped spiral housing heating, then into B side exhaust opening, last flue gas is through B side regenerator, B side reversal valve
It is discharged in external environment with flue gas pipeline, after the burning certain time of A side, both sides reversal valve commutates, start the burning of B side, this
When A side discharged fume, both sides alternate combustion-smoke discharging.
According to a particular embodiment of the invention, described A side is the left side of described reactor shell, and described B side is described anti-
Answer the right side of device housing.
According to a particular embodiment of the invention, described deflection plate is located in described exhaust gases passes, for changing flue gas flow direction,
Flue gas is streamed up and down, flow of flue gas is more uniformly so that flue gas energy so in entirely shown exhaust gases passes along deflection plate
More uniformly heat described shaped spiral housing.
According to a particular embodiment of the invention, described heat accumulating burner includes 2 combustor, 2 regenerator and 2
Individual reversal valve, described combustor, regenerator, reversal valve are respectively arranged in the both sides of described reactor shell, in normal work,
Can alternately burn-smoke discharging in the both sides of described heat storage type combustion.
According to embodiments of the invention, described combustor is divided into A side combusion chamber（A side exhaust opening）20-1 and B side combusion chamber
（B side exhaust opening）20-2, described heat accumulating type is divided into A side regenerator 21-1 and B side regenerator 21-2, and described reversal valve is divided into A side
Reversal valve 22-1, B side reversal valve 22-2.
4th, material pyrolytic process：After combustion system is stable, shaped spiral housing is heated to 600-700 DEG C, can enter in material
Mouth puts into material, and the back forward movement side that described material enters into propulsion spiral is pyrolyzed, until moving to slag charge outlet quilt
Pyrolysis finishes, and the gas that pyrolysis produces is discharged from oil gas mouth, and remaining pyrolysis slag charge is discharged from slag charge mouth.
According to a particular embodiment of the invention, described shaped spiral housing is heat-resisting steel sheel, and thickness is 5-8mm, described spiral
Housing extends through the opposite side of described reactor shell, institute from described reactor shell side along described reactor enclosure intracoelomic cavity
State the exposed outside in described reactor shell in two ends of shaped spiral housing so that described reactor shell and described propeller cap
Form confined space, the reactor shell flue gas that described confined space constitutes described regenerative gas heating system leads between body
Road, the high-temperature flue gas that burning produces enter described exhaust gases passes, then transfer heat to its internal described shaped spiral housing, institute
The outer wrap stating reactor shell has insulation material, in order to reduce the radiation loss of wall.
According to embodiments of the invention, described material propulsion spiral is located inside described shaped spiral housing, and described material
Propulsion spiral include helical axis and helical blade, described helical blade be fixed on described helical axis and be arranged to can with described
Helical axis rotates coaxially, and described helical axis stretches out described shaped spiral housing, the length of described helical blade in described material inlet side
Degree is identical with described shaped spiral housing.With certain rotational speed under outside motor belt motor is moved, material enters described material propulsion spiral
To after described reactor, gradually it is pyrolyzed with the rising of temperature, is advanced to simultaneously, until being pyrolyzed before outlet
Finish, the pyrolysis gas that pyrolysis produces are discharged from described oil gas vent, the slag charge after pyrolysis exports from described slag charge and discharges.
Inventor finds, this system according to embodiments of the present invention, can achieve material of being back to back, material is in pyrolytic reaction
It is tiled in device, contacts with shaped spiral housing fully, high-temperature spiral housing passes through radiation and heat conduction two ways and heats to material, because
This material can be fully quickly pyrolyzed, and material is pushed into spiral in pyrolytic process and gradually pushes ahead it is achieved that side
The function of pyrolysis side propulsion；The method that the present invention adopts the pretreatment of raw material front end, by heavy metal removing, using heat accumulating type deflection plate
As the thermal source of pyrolysis reactor, its fuel is high heating value combustion gas to gas heating system（Natural gas, liquefied petroleum gas etc.）, due to
Employ heat storage type combustion mode, combustion air is preheating to high temperature by regenerator, it is achieved thereby that efficient stable burning.Flue gas leads to
In road, deflection plate is installed so that flue gas flows around deflection plate, flow field is more uniform, shaped spiral housing is by heating evenly, real
Show material of being back to back, material is by continuously quickly fully pyrolysis and the function such as energy-efficient, and utilize Feedstock treating
System and metal recovery system, it is to avoid severe contamination, energy-conservation and environmental protection that heavy metal causes.
Embodiment one：
Heat accumulating type deflection plate fuel gas combustion system adopts natural gas as combustion gas, and amount of natural gas is 2Nm3/ h, air capacity is 22
Nm3/ h, electronic waste material（Circuit board, electric wire, keyboard etc.）It is made into the granule of 3-6mm, inlet feed amount is 1kg/h,
The pyrolysis slag charge finally giving is 0.8kg/h, and the pyrolysis oil gas of generation is 0.286 Nm3/ h is it is achieved that material of being back to back.Heat
In solution preocess, constant temperature is maintained at 600 DEG C -700 DEG C, and thermal source stability is fine.
Solid residue after pyrolysis is detected, finds that main component is the carbon and metal that can not be pyrolyzed, metal bag
Include copper, nickel, ferrum etc., do not contain the composition that resin and glass fibre etc. can be pyrolyzed, pyrolysis effect is fine.
Oil gas chemical examination composition is as follows：
Table 1 electronic waste pyrolysis gas composition
| Title | H2 | CO2 | O2 | N2 | CH4 | CO |
| Content (%) | 43.6 | 8.4 | 1.5 | 4.7 | 19.9 | 21.9 |
It can be seen that, the flue gas of generation all reaches discharging standards.
In describing the invention it is to be understood that term " on ", D score, "left", "right", " interior ", the instruction such as " outward "
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and simplification retouch
State, rather than instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not understood that
For indicating or implying relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ",
The feature of " second " can be expressed or implicitly include one or more this feature.In describing the invention, unless
It is otherwise noted, " multiple " are meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can
To be to be mechanically connected or point connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features, the knot describing with reference to this embodiment or example
Structure, material or feature are contained at least one embodiment or the example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or spy
Point can combine in any one or more embodiments or example in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
Multiple changes, modification, replacement and modification can be carried out to these embodiments in the case of the principle of the disengaging present invention and objective, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of heat accumulating type deflection plate electronic gas refuse pyrolysis system is it is characterised in that include：Raw material processing system, metal
Recovery system and electronic waste pyrolytic reaction system, wherein,
Described raw material processing system includes breaker and sorting unit, for sorting electronic waste for metal part and organic
Matter part；
Described metal recovery system includes acidleach pond and electrolyzer, and the metal part for obtaining sorting sends into described acidleach pond
In, it is added thereto to strong acid solution, after metal is completely dissolved, remaining anti-through the pyrolysis of described electronic waste without metal part
After answering the flue gas drying that system produces, mix with described organic matter fractions, enter described electronic waste pyrolytic reaction system and enter
Row pyrolytic reaction, the strong acid solution rich in metal ion obtaining after dissolving metal is sent into and is carried out electrolysis in described electrolyzer instead
Should, reclaim metallic copper；
Described electronic waste pyrolytic reaction system includes：Electronic waste pyrolysis reactor, regenerative gas heating system and cooling
Piece-rate system, wherein,
Described electronic waste pyrolysis reactor includes：Material pyrolization modules and reactor shell, described material pyrolization modules across
The both sides of described reactor shell, and two ends of described material pyrolization modules are exposed outer in described reactor shell
Portion, described material pyrolization modules include shaped spiral housing and material propulsion spiral,
Wherein, described shaped spiral housing extends through described reaction from described reactor shell side along described reactor enclosure intracoelomic cavity
The opposite side of device housing, the exposed outside in described reactor shell in two ends of described shaped spiral housing is so that described reaction
Form confined space, described confined space constitutes described regenerative gas heating system between device housing and described shaped spiral housing
Reactor shell exhaust gases passes；
Described regenerative gas heating system includes：For producing the heat accumulating burner of heat smoke and being used for conveying hot cigarette
The reactor shell exhaust gases passes of gas, also include the deflection plate for changing flue gas flow direction, described heat accumulating burner and institute
State exhaust gases passes to be connected, the described flue gas that described deflection plate is installed between described reactor shell and described shaped spiral housing leads to
In road, it is evenly arranged perpendicular to described shaped spiral housing and along described shaped spiral housing length direction；
Described cooling separation includes：Indirect heat exchanger and for obtaining pyrolysis gas and tar by cooled for high-temperature gas product
Cooling tower；Wherein, the entrance of described indirect heat exchanger is connected with oil gas vent, the outlet of indirect heat exchanger and described cooling tower
Entrance be connected.
2. heat accumulating type deflection plate electronic gas refuse pyrolysis system according to claim 1 it is characterised in that exposed in institute
State and material inlet, oil gas vent, slag charge outlet, and described material are provided with the described shaped spiral housing of reactor enclosure external body
Import is located at described shaped spiral housing upper right quarter, and described oil gas vent is located at described shaped spiral housing upper left quarter, and described slag charge exports position
In described shaped spiral housing lower left quarter；
Described material propulsion spiral is located inside described shaped spiral housing, and described material propulsion spiral includes helical axis and spiral
Blade, described helical blade is fixed on described helical axis and is arranged to be rotated coaxially with described helical axis, described spiral
Axle stretches out described shaped spiral housing in described material inlet side, and the length of described helical blade is identical with described shaped spiral housing.
3. heat accumulating type deflection plate electronic gas refuse pyrolysis system according to claim 1 is it is characterised in that described accumulation of heat
Formula burner includes air line, burning line, flue gas pipeline, reversal valve, regenerator and combustor, described air line and
Described flue gas pipeline is connected with described reversal valve respectively, and described reversal valve is connected with described regenerator, described regenerator with described
Combustor is connected.
4. heat accumulating type deflection plate electronic gas refuse pyrolysis system according to claim 3 is it is characterised in that described accumulation of heat
Formula burner includes 2 combustor, 2 regenerator and 2 reversal valves, described combustor, regenerator, reversal valve cloth respectively
It is placed in the both sides of described reactor shell, in normal work, can alternately burn-discharge fume in the both sides of described heat storage type combustion
Gas.
5. the heat accumulating type deflection plate electronic gas refuse pyrolysis system according to any one of claim 1-4, its feature exists
In described shaped spiral housing is heat-resisting steel sheel, and thickness is 5-8mm；Described electrolyzer anode material is graphite, and cathode material is
Titanium plate, corrosion resistant plate, copper coin and proof gold plate, the voltage range of this electrolyzer is 0.1-3V, and electric current density is 1-5A/dm2, electrolysis
In pond, temperature is 20-80 DEG C, and the flue-gas temperature that described electronic waste pyrolytic reaction system produces is 90-140 DEG C, and described strong acid is molten
Liquid is concentrated sulphuric acid or chloroazotic acid.
6. the heat accumulating type deflection plate electronic gas refuse pyrolysis system according to any one of claim 1-4, its feature exists
In the outer wrap of described reactor shell has insulation material, and described insulation material is heat-preservation cotton, and described heat-preservation cotton external plating
Zinc-iron plate wraps up.
7. heat accumulating type deflection plate electronic gas refuse pyrolysis system according to claim 1 is it is characterised in that described baffling
Plate is located in described exhaust gases passes, for changing flue gas flow direction so that flue gas can more uniformly heat described shaped spiral housing.
8. heat accumulating type deflection plate electronic gas refuse pyrolysis system according to claim 1 is it is characterised in that described pyrolysis
Gas is rich in combustibility and the reducibility gas of methane, hydrogen and carbon monoxide, and one part is used for described heating system raw material combustion
Gas, heating repeats itself utilizes, and another part can be used as also Primordial Qi.
9. a kind of using the heat accumulating type deflection plate electronic gas refuse pyrolysis system described in claim 1-8, electronic waste is carried out
The method of pyrolysis is it is characterised in that comprise the following steps：
First：Feedstock treating：Electronic waste raw material enters described breaker and is crushed, then is sieved through sorting unit
Point, obtain metal and organic matter；
Second：Metal recovery：By metal part send into acidleach pond in, after metal is completely dissolved, remaining without metal part
After flue gas drying, mix with described organic matter fractions, enter response system and carry out pyrolytic reaction；The richness obtaining after dissolving metal
The strong acid solution of metal ion is sent in electrolyzer and is carried out cell reaction, reclaims metallic copper；
3rd：Open regenerative gas heating system, its step is as follows：Open A side air line, be then turned on A side Gas Pipe
Line, the mixed gas of air and combustion gas lighted by starting ignition rifle, and mixed gas produce high temperature cigarette after burning in A side combusion chamber
Gas, high-temperature flue gas enter into the exhaust gases passes in reactor enclosure body, and in described exhaust gases passes, high-temperature flue gas flow around deflection plate
And to described shaped spiral housing heating, then into B side exhaust opening, last flue gas is through B side regenerator, B side reversal valve and cigarette
Gas pipeline is discharged in external environment, and after the burning certain time of A side, both sides reversal valve commutates, and starts the burning of B side, now A side
Discharged fume, both sides alternate combustion-smoke discharging；
4th, material pyrolytic process：After combustion system is stable, shaped spiral housing is heated to uniform temperature, can put in material inlet
Enter material, the back forward movement side that described material enters into propulsion spiral is pyrolyzed, until move to slag charge outlet being pyrolyzed
Finish, the gas that pyrolysis produces is discharged from oil gas vent, remaining pyrolysis slag charge is discharged from slag charge outlet, described High Temperature Gas
Body, after described cooling separation, obtains pyrolysis gas and tar, this pyrolysis gas be rich in methane, hydrogen, carbon monoxide flammable
Property and reducibility gas, a part, as heating system raw material combustion gas, heats itself, and another part can be used as also Primordial Qi.
10. method according to claim 9 it is characterised in that
In described step 3, described A side is the left side of described reactor shell, and described B side is the right side of described reactor shell；
In described step 4, described shaped spiral housing is heated to 600-700 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109708125A (en) * | 2019-02-14 | 2019-05-03 | 长沙中硅水泥技术开发有限公司 | A kind of processing arsenic alkaline slag and low-melting heavy metal waste residue combined type smelting furnace |
| CN112850657A (en) * | 2021-02-06 | 2021-05-28 | 岷山环能高科股份公司 | Flue gas separation and purification system for producing electronic-grade sulfuric acid |
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