CN208517489U - A kind of total system of copper-contained sludge and wiring board - Google Patents
A kind of total system of copper-contained sludge and wiring board Download PDFInfo
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- CN208517489U CN208517489U CN201820678665.1U CN201820678665U CN208517489U CN 208517489 U CN208517489 U CN 208517489U CN 201820678665 U CN201820678665 U CN 201820678665U CN 208517489 U CN208517489 U CN 208517489U
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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
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Abstract
The utility model provides the total system of a kind of copper-contained sludge and wiring board.The total system includes: copper-contained sludge pelletizing unit, and copper-contained sludge pelletizing unit includes the copper-contained sludge feeding mechanism being connected with prilling granulator and the first waste active carbon feeding mechanism；Wiring board supply unit；And side-blown melting unit, side-blown melting unit include side-blown smelting furnace, side-blown smelting furnace has feed inlet and fuel-side mouthpiece, and prilling granulator and wiring board supply unit are connected with feed inlet.Copper-contained sludge and waste active carbon are provided respectively using copper-contained sludge feeding mechanism and the first waste active carbon feeding mechanism, then the two is subjected to mixing granulation, waste active carbon is as reducing agent and part incendiary agent, side-blown melting is carried out in side-blown melting unit with wiring board after granulation, to reduce the Energy Consumption Cost of side-blown melting；Wiring board organic compound combustion during side-blown melting generates heat, and organic matter can be further used as the fuel of side-blown melting, reduce energy consumption cost.
Description
Technical field
The utility model relates to metal recovery fields, in particular to the General Office of a kind of copper-contained sludge and wiring board
Reason system.
Background technique
With the quickening that electronic and electrical equipment updates, cause the average life of product shorter and shorter.China is every
Year has the white goods such as 15,000,000 or so colour TV air-conditionings to scrap, and up to ten million portion's mobile phones are eliminated, and electron wastes year increases
5%~8%.The waste printed circuit board that China needs to dispose every year is at 500,000 tons or more.Printed wiring board mainly by metal, have
Machine object and oxide form, wherein metal≤50%, including Cu, Fe, Ni, Sn, Pb, Al, Zn etc..
For the heavy metal wastewater thereby that the industries such as processing plating, manufacture, printing and dyeing generate, correlative link declaration form position or enterprise are per average annual meeting
Generate a large amount of copper-contained sludges.Under field conditions (factors), the heavy metal in copper-contained sludge arbitrarily stacked is likely to dissolve out, and again into
Enter water body or soil and causes secondary pollution.In addition, the content of valuable metal copper is much higher than the mining grade of copper mine, tool in sludge
There is very high utility value.
It can be seen that valuable metal rich content in waste printed circuit board and copper-contained sludge, any disposition is bound to cause resource
Significant wastage.
The common methods of valuable metal are heat treating process and method of chemical treatment in recycling waste printed circuit board at present.Heat treating process packet
Include incineration method and pyrolysis method.The heat treating process of industrial practical application has shaft furnace, blast furnace, reverberatory furnace and rotary kiln incineration method.
These methods make organic matter in wiring board directly burn using metallurgical furnace high temperature, and valuable metal melting, inorganic non-metallic substance is made
Slag is separated, and base bullion is obtained.Method of chemical treatment is needed by extraction, precipitating, displacement filtering, distillation removal of impurities and electrolysis
Etc. programs, process flow is long and there are leachates and residue secondary pollution, matrix to still need to the problems such as handling again.
The recovery method of valuable metal mainly has the acid-hatching of young eggs, ammonia leaching process and high melt method in copper-contained sludge at present.Acidleach
The main process of method is the valuable metal leached in copper-contained sludge using sulfuric acid, hydrochloric acid or nitric acid etc..Acid-hatching of young eggs leaching efficiency
Height, but there are various metals to leach simultaneously and be difficult to separate, and severe corrosion to equipment, the defect of operating environment difference.Ammonia leaching process
It is general that complex reaction is occurred as copper, the nickel in leaching agent, with sludge using ammonia spirit, leachate is obtained, recycling is valuable
Metal.Ammonia leaching process has selectivity well to valuable metals such as copper, nickel, but high to device sealing requirements, and leachate is easily waved
Hair is big to environmental hazard.Sludge is mainly heated to 1300 DEG C or so by high melt method in blast furnace, supplying reducing agent and
Slag former makes valuable metal melting and reducing, and oxide slag making obtains blister copper, and method energy consumption is higher.
Utility model content
The main purpose of the utility model is to provide the total systems of a kind of copper-contained sludge and wiring board, to solve
Metal recovery problem at high cost in copper-contained sludge and wiring board in the prior art.
To achieve the goals above, one aspect according to the present utility model provides a kind of copper-contained sludge and wiring board
Total system, which includes: copper-contained sludge pelletizing unit, and copper-contained sludge pelletizing unit includes and granulation
Device connected copper-contained sludge feeding mechanism and the first waste active carbon feeding mechanism；Wiring board supply unit；And side-blown melting
Unit, side-blown melting unit include side-blown smelting furnace, and side-blown smelting furnace has feed inlet and fuel-side mouthpiece, prilling granulator and line
Road Plate supplying unit is connected with feed inlet.
Further, above-mentioned side-blown melting unit includes waste mineral oil feeding mechanism and oxygen-enriched air feeding mechanism, abandoned mine
Object oil feeding mechanism and oxygen-enriched air feeding mechanism are connected with fuel-side mouthpiece.
Further, above-mentioned side-blown melting unit further includes slag former feeding mechanism, slag former feeding mechanism and feed inlet
It is connected, preferably slag former feeding mechanism is iron slag feeding mechanism.
Further, above-mentioned side-blown melting unit further includes flux feeding mechanism, and flux feeding mechanism is connected with feed inlet.
Further, above-mentioned side-blown melting unit further includes concurrent heating source supply device, concurrent heating source supply device and fuel-side
Mouthpiece is connected, preferably the concurrent heating source supply device feeding mechanism that includes the second waste active carbon powder, coal dust and oxygen-enriched air.
Further, above-mentioned side-blown smelting furnace includes: bottom wall, and bottom wall is divided into interconnected smelting zone and settling section；
The first side wall, the first side wall are connect with bottom wall, and fuel-side mouthpiece is arranged on the first side wall of smelting zone, are preferably provided at first
The lower half of side wall；Roof；Roof is connect with the first side wall, and bottom wall, the first side wall and roof form furnace chamber, and feed inlet setting exists
On the roof of smelting zone；And second sidewall, second sidewall are connected and upwardly extend with roof, second sidewall surrounds and furnace chamber phase
Exhanst gas outlet even, and the two sides of exhanst gas outlet are arranged in settling section and feed inlet.
Further, the roof height of above-mentioned smelting zone is greater than the roof height of settling section, side-blown smelting furnace further include: the
One side wall, the first side wall are arranged between feed inlet and exhanst gas outlet, and the first side wall is connected and extends downwardly with roof, the first side
There is interval between wall and bottom wall；And second side wall；Second side wall is arranged between settling section and exhanst gas outlet, the second side wall
It is connected with roof and extends downwardly, there is interval between the second side wall and bottom wall.
Further, reduction feed opening is additionally provided on the roof of above-mentioned settling section, side-blown melting unit further includes reduction
Agent feeding mechanism, reducing agent feeding mechanism are connected with reduction feed opening, and preferably reducing agent feeding mechanism is the confession of third waste active carbon
Answer device, coke supply device or lump coal feeding mechanism.
Further, Secondary Air entrance is set in above-mentioned the first side wall and second sidewall.
Further, above-mentioned settling section is additionally provided with heating device, and preferably heating device is electrode, and electrode is arranged in roof
On.
Further, above-mentioned total system further includes fume treatment unit, and fume treatment unit includes burner, combustion
Burner is connected with exhanst gas outlet.
Further, said burner is exported with combustion tail gas, fume treatment unit further include: waste-heat recovery device,
Waste-heat recovery device has combustion tail gas entrance and cooling offgas outlet, and combustion tail gas entrance is connected with combustion tail gas outlet；It is de-
Dioxin device, dioxin removal apparatus have cooling gas inlet and the outlet of adsorption cleaning gas, cooling gas inlet and cooling tail
Gas outlet is connected；Desulfurizer, desulfurizer have adsorption cleaning gas entrance and evacuation port, and adsorption cleaning gas entrance and absorption are net
Change gas outlet to be connected.
Further, above-mentioned wiring board supply unit includes: detin welder, and detin welder carries out detin to wiring board
Weldering processing；And crushing device, crushing device is connected with detin welder carries out break process with the wiring board to detin postwelding,
Crushing device is connected with the feed inlet of side-blown melting unit.
Using the technical solution of the utility model, copper-contained sludge feeding mechanism and the first waste active carbon feeding mechanism point are utilized
Indescribably for copper-contained sludge and waste active carbon, the two is then subjected to mixing granulation, waste active carbon burns as reducing agent and part
Agent carries out side-blown melting in side-blown melting unit with wiring board after granulation, to reduce the Energy Consumption Cost of side-blown melting；
In addition, wiring board organic compound combustion during side-blown melting generates heat, organic matter can be further used as side-blown melting
Fuel, to not only complete separating for copper metal in copper-contained sludge and wiring board and other impurity, but also take full advantage of line
Organic matter thermal energy in the plate of road, further reduced the energy consumption cost of side-blown melting.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the structural block diagram for the total system that a kind of preferred embodiment according to the present utility model provides；
Fig. 2 shows the structural schematic diagrams of the side-blown smelting furnace provided according to another preferred embodiment of the utility model；
The implementing procedure that Fig. 3 shows the integrated conduct method that a kind of preferred embodiment according to the present utility model provides shows
It is intended to.
Wherein, the above drawings include the following reference numerals:
10, copper-contained sludge pelletizing unit；
20, wiring board supply unit；21, detin welder；22, crushing device；
30, side-blown melting unit；01, feed inlet；02, fuel-side mouthpiece；03, exhanst gas outlet；04, feed opening is restored；
05, Secondary Air entrance；31, side-blown smelting furnace；311, bottom wall；312, the first side wall；313, roof；314, second sidewall； 315,
First side wall；316, the second side wall；317, heating device；32, waste mineral oil feeding mechanism；33, oxygen-enriched air feeding mechanism；
34, slag former feeding mechanism；35, flux feeding mechanism；36, concurrent heating source supply device；37, reducing agent feeding mechanism；
40, fume treatment unit；41, burner；42, waste-heat recovery device；43, dioxin removal apparatus；44, desulfurization fills
It sets.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As documented by the application background technique, metal recovery is at high cost in copper-contained sludge and wiring board in the prior art,
In order to solve this problem, this application provides the total systems of a kind of copper-contained sludge and wiring board, as shown in Figure 1, this is comprehensive
Closing processing system includes copper-contained sludge pelletizing unit 10, wiring board supply unit 20 and side-blown melting unit 30, and copper-contained sludge is made
Grain unit 10 includes the copper-contained sludge feeding mechanism being connected with prilling granulator and the first waste active carbon feeding mechanism；Side-blown melting
Unit 30 include side-blown smelting furnace 31, the side-blown smelting furnace 31 have feed inlet 01 and fuel-side mouthpiece 02, prilling granulator and
Wiring board supply unit 20 is connected with feed inlet 01.
The application provides copper-contained sludge using copper-contained sludge feeding mechanism and the first waste active carbon feeding mechanism respectively and gives up
Active carbon, then carries out mixing granulation for the two, and waste active carbon exists after granulation with wiring board as reducing agent and part incendiary agent
Side-blown melting unit 30 carries out side-blown melting, to reduce the Energy Consumption Cost of side-blown melting；In addition, wiring board is side-blown
Organic compound combustion generates heat during melting, and organic matter can be further used as the fuel of side-blown melting, to both complete
Copper metal in copper-contained sludge and wiring board is separated with other impurity, and takes full advantage of organic matter thermal energy in wiring board,
It further reduced the energy consumption cost of side-blown melting.
It is preferably as shown in Figure 1, above-mentioned side-blown in order to further decrease the cost of metal recovery in copper-contained sludge and wiring board
Melting unit 30 includes waste mineral oil feeding mechanism 32 and oxygen-enriched air feeding mechanism 33, waste mineral oil feeding mechanism 32 and oxygen-enriched
Air supply device 33 is connected with fuel-side mouthpiece 02.Waste mineral oil is supplied as fuel using waste mineral oil feeding mechanism 32
Natural gas commonly used in the prior art is substituted, energy consumption cost is reduced.
In order to improve separative efficiency, preferably as shown in Figure 1, above-mentioned side-blown melting unit 30 further includes slag former feeding mechanism
34, slag former feeding mechanism 34 is connected with feed inlet 01, and preferably slag former feeding mechanism 34 is iron slag feeding mechanism.It utilizes
Slag former feeding mechanism 34 provides slag former and improves slag discharge efficiency, in addition when selecting iron slag feeding mechanism, further
The cost of slag former is saved.
In addition, in order to improve smelting efficiency, preferably as shown in Figure 1, above-mentioned side-blown melting unit 30 further includes flux supply
Device 35, flux feeding mechanism 35 are connected with feed inlet 01.It is provided using above-mentioned flux feeding mechanism 35 to side-blown smelting furnace 31
Quartz and lime stone are as flux.
In a preferred embodiment of the present application, in order to guarantee the stability of side-blown smelting temperature, preferably such as Fig. 1 institute
Show, above-mentioned side-blown melting unit 30 further includes concurrent heating source supply device 36, concurrent heating source supply device 36 and 02 phase of fuel-side mouthpiece
Connect, preferably feeding mechanism of the concurrent heating source supply device 36 including the second waste active carbon powder, coal dust and oxygen-enriched air, to be mentioned for melting
For additional heat.
In another preferred embodiment of the application, preferably as shown in Fig. 2, above-mentioned side-blown smelting furnace 31 includes bottom wall
311, the first side wall 312, roof 313 and second sidewall 314, bottom wall 311 are divided into interconnected smelting zone and settling section；
The first side wall 312 is connect with bottom wall 311, and fuel-side mouthpiece 02 is arranged on the first side wall 312 of smelting zone, is preferably provided at
The lower half of one side wall 312；Roof 313 is connect with the first side wall 312, and bottom wall 311, the first side wall 312 and roof 313 form furnace
Chamber, feed inlet 01 are arranged on the roof 313 of smelting zone；Second sidewall 314 is connected and upwardly extends with roof 313, second side
Wall 314 surrounds the exhanst gas outlet 03 being connected with furnace chamber, and the two sides of exhanst gas outlet 03 are arranged in settling section and feed inlet 01.
Fuel is passed through in the molten bath of furnace chamber lower part by fuel-side mouthpiece 02, so that copper-contained sludge particle and wiring board are molten
Oxidation occurs for refining area and reduction reaction obtains melting liquid and flue gas, and melting liquid flows into settling section by smelting zone, and melting liquid is being clarified
Area is separated into copper liquid and slag after clarification, and copper liquid is flowed out from the copper outflux of bottom, and slag is flowed out from the slag notch on top, flue gas
It is escaped from side-blown smelting furnace 31 by the exhanst gas outlet 03 on top.
In order to improve smelting zone and the respective functional effect of settling section, preferably as shown in Fig. 2, the roof 313 of smelting zone is high
Degree is greater than 313 height of roof of settling section, and side-blown smelting furnace 31 further includes the first side wall 315 and the second side wall 316, the first side wall
315 are arranged between feed inlet 01 and exhanst gas outlet 03, and the first side wall 315 is connected and extends downwardly with roof 313, the first side
There is interval between wall 315 and bottom wall 311；Second side wall 316 is arranged between settling section and exhanst gas outlet 03, the second side wall
316 are connected and extend downwardly with roof 313, have interval between the second side wall 316 and bottom wall 311.
In another preferred embodiment of the application, as shown in Fig. 2, being additionally provided on the roof 313 of above-mentioned settling section
Feed opening 04 is restored, above-mentioned side-blown melting unit 30 further includes reducing agent feeding mechanism 37, reducing agent feeding mechanism 37 and reduction
Feed opening 04 is connected, and preferably reducing agent feeding mechanism 37 is that third waste active carbon feeding mechanism, coke supply device or lump coal supply
Answer device.Using third waste active carbon feeding mechanism, coke supply device or lump coal feeding mechanism supply waste active carbon, coke or
Lump coal further restores the melting liquid in settling section, and the copper in slag is further restored, and reduces Copper in Slag, improves
The yield of copper.
Organic matter is relatively more in the flue gas generated due to the side-blown melting of the application, imitates to improve utilizing for organic matter
Rate, preferably as shown in Fig. 2, Secondary Air entrance 05 is arranged in above-mentioned the first side wall 312 and second sidewall 314.Secondary Air entrance 05
Optimum position is the upper half of the first side wall 312 on the first side wall 312.It is empty to above-mentioned furnace chamber top by Secondary Air entrance 05
Between and exhanst gas outlet 03 provide air make the smoke combustion in exhanst gas outlet 03.By the air of offer, make organic in flue gas
The combustible components full combustion such as object, carbon monoxide improves safety and environmental protection performance, and combustible component burning can be into furnace chamber
Concurrent heating further decreases energy consumption.
In order to guarantee the separating effect of settling section, preferably as shown in Fig. 2, settling section is additionally provided with heating device 317, preferably
Heating device 317 is electrode, and above-mentioned electrode is arranged on roof 313.
After above-mentioned processing, environmental pollutants may be contained in the flue gas of generation, it is preferably as shown in Figure 1, above-mentioned comprehensive
Closing processing system further includes fume treatment unit 40, and fume treatment unit 40 includes burner 41, burner 41 and exhanst gas outlet
03 is connected.
It blows and fuses the flue gas that refining generates using 41 opposite side of burner to be burnt to obtain combustion tail gas, to therein organic
The combustible components such as object, carbon monoxide are further processed.
For the ingredient in flue gas caused by the application, preferably as shown in Figure 1, said burner 41 has combustion tail gas
Outlet, fume treatment unit 40 further include waste-heat recovery device 42, dioxin removal apparatus 43 and desulfurizer 44, waste heat recycling dress
Setting 42 has combustion tail gas entrance and cooling offgas outlet, and combustion tail gas entrance is connected with combustion tail gas outlet；De- dioxin dress
Setting 43 has cooling gas inlet and the outlet of adsorption cleaning gas, and cooling gas inlet is connected with cooling offgas outlet；Desulfurizer
44 have adsorption cleaning gas entrance and evacuation port, and adsorption cleaning gas entrance is connected with the outlet of adsorption cleaning gas.It is recycled using waste heat
Device 42 carries out waste heat recycling to combustion tail gas, on the one hand reduces the temperature of combustion tail gas, on the other hand improves burning tail
The utilizing status of the heat of gas, the heat of recycling can be used for generating electricity；Two evils in flue gas are removed using dioxin removal apparatus 43
English；The sulphur in flue gas is removed using desulfurizer 44, flue gas is made to reach emission request.
In another preferred embodiment of the application, preferably as shown in Figure 1, above-mentioned wiring board supply unit 20 includes de-
Soldering apparatus 21 and crushing device 22, detin welder 21 carry out detin weldering processing to wiring board；Crushing device 22 and detin are welded
Device 21, which is connected, carries out break process, the charging of crushing device 22 and side-blown melting unit 30 with the wiring board to detin postwelding
Mouth 01 is connected.Detin weldering processing is carried out to wiring board using detin welder 21, improves the rate of recovery of tin metal, and avoid tin
Influence of the metal to copper recovery；Using crushing device 22 to the break process of wiring board, wiring board is improved side-blown molten
Heating surface area in refining, and then accelerate side-blown smelting efficiency.
In order to make those skilled in the art more easily implement the total system of the application, present invention also provides one
The integrated conduct method of kind copper-contained sludge and wiring board, as shown in figure 3, the integrated conduct method includes: by copper-contained sludge and to give up
Active carbon carries out mixing granulation, obtains copper-contained sludge particle；Copper-contained sludge particle and wiring board are subjected to side-blown melting.
The application using waste active carbon as after reducing agent and part incendiary agent, with copper-contained sludge mixing granulation with wiring board
Side-blown melting is carried out, to reduce the Energy Consumption Cost of side-blown melting；In addition, wiring board has during side-blown melting
The burning of machine object generates heat, and organic matter can be further used as the fuel of side-blown melting, to both complete copper-contained sludge and line
The separation of copper metal and other impurity in the plate of road, and organic matter thermal energy in wiring board is taken full advantage of, it further reduced side
Blow and fuse the energy consumption cost of refining.
Above-mentioned mixing granulation process can also include the pretreatment process for copper-contained sludge being dried the routine such as homogeneous, i.e.,
Copper-contained sludge is dried, carries out mixing granulation with charcoal non activated again after the pre-treatment of homogeneous, the above process is conventional process,
Details are not described herein.
In a preferred embodiment of the present application, in order to improve the rate of recovery of copper in copper-contained sludge, preferably copper-contained sludge
In particle, waste active carbon is 10%~80% of the weight of total copper in copper-contained sludge and waste printed circuit board.
In order to further decrease the cost of metal recovery in copper-contained sludge and wiring board, preferably side-blown fusion process is using useless
Mineral oil and oxygen-enriched air are fuel, and the temperature of more preferable side-blown melting is 1150~1400 DEG C.It is substituted using waste mineral oil existing
Have common natural gas in technology, reduce energy consumption cost, and the dosage of non-mineral oil can according to the temperature of side-blown melting come
It determines, makes it maintain side-blown smelting temperature at 1150~1400 DEG C, to guarantee the rate of recovery of metal.
In order to improve separative efficiency, preferably as shown in figure 3, slag former is added in side-blown fusion process, in order to save into
This, further preferred slag former is iron slag, for example iron slag is pyrite cinder, smelts residue, electro-smelting waste residue
Deng.
In addition, in order to improve smelting efficiency, it is further excellent preferably as shown in figure 3, adding flux in side-blown fusion process
Selecting flux includes quartz/or lime stone, and enter furnace weight of material 10%~70% that weight is side-blown melting is added in flux.On
Stating into furnace material includes copper-contained sludge, waste printed circuit board, waste active carbon and the flux for entering side-blown converter.
In a preferred embodiment of the present application, in order to guarantee the stability of side-blown smelting temperature, preferably side-blown molten
Additional heat is provided for melting as supplement fuel using waste active carbon powder, coal dust and oxygen-enriched air during refining.
In another preferred embodiment of the application, above-mentioned side-blown fusion process carries out in side-blown smelting furnace 31, such as
Shown in Fig. 2, side-blown smelting furnace 31 includes bottom wall 311, the first side wall 312, roof 313 and second sidewall 314, and bottom wall 311 is drawn
It is divided into interconnected smelting zone and settling section, copper-contained sludge particle and wiring board occur oxidation and reduction reaction in smelting zone and obtain
To melting liquid, melting liquid flows into settling section by smelting zone, and melting liquid is separated into copper liquid and slag after clarification in settling section；First
Side wall 312 is connect with bottom wall 311, and fuel-side mouthpiece 02, the side-blown mouth 02 of preferred fuel are provided on the first side wall 312 of smelting zone
The lower half of the first side wall 312 is set；Roof 313 is connect with the first side wall 312, bottom wall 311, the first side wall 312 and roof
313 form furnace chambers, be provided on the roof 313 of smelting zone feed inlet 01, copper-contained sludge particle and wiring board by feed inlet 01 into
Enter in furnace chamber；Second sidewall 314 is connected and upwardly extends with roof 313, and second sidewall 314 surrounds the flue gas being connected with furnace chamber and goes out
Mouth 03, and the two sides of exhanst gas outlet 03 are arranged in settling section and feed inlet 01.
Fuel is passed through in the molten bath of furnace chamber lower part by fuel-side mouthpiece 02, so that copper-contained sludge particle and wiring board are molten
Oxidation occurs for refining area and reduction reaction obtains melting liquid and flue gas, and melting liquid flows into settling section by smelting zone, and melting liquid is being clarified
Area is separated into copper liquid and slag after clarification, and copper stream is flowed out from the copper outflux of bottom, and slag is flowed out from the slag notch on top, flue gas
It is escaped from side-blown smelting furnace 31 by the exhanst gas outlet 03 on top.
In order to improve smelting zone and the respective functional effect of settling section, preferably as shown in Fig. 2, the roof 313 of smelting zone is high
Degree is greater than 313 height of roof of settling section, and side-blown smelting furnace 31 further includes the first side wall 315 and the second side wall 316, the first side wall
315 are arranged between feed inlet 01 and exhanst gas outlet 03, and the first side wall 315 is connected and extends downwardly with roof 313, the first side
There is interval between wall 315 and bottom wall 311；Second side wall 316 is arranged between settling section and exhanst gas outlet 03, the second side wall
316 are connected and extend downwardly with roof 313, have interval between the second side wall 316 and bottom wall 311.
In another preferred embodiment of the application, as shown in Fig. 2, being additionally provided on the roof 313 of above-mentioned settling section
Feed opening 04 is restored, above-mentioned integrated conduct method further includes that waste active carbon, coke are added into settling section by restoring feed opening 04
Charcoal or lump coal.The melting liquid in settling section is further restored using waste active carbon, coke or lump coal, it will be in slag
Copper further restores, and reduces Copper in Slag, improves the yield of copper.
Organic matter is relatively more in the flue gas generated due to the side-blown melting of the application, imitates to improve utilizing for organic matter
Rate, preferably as shown in Fig. 2, Secondary Air entrance 05 is arranged in above-mentioned second sidewall 314, which further includes by two
Secondary wind entrance 05, which provides air to exhanst gas outlet 03, makes the smoke combustion in exhanst gas outlet 03.By the air of offer, make flue gas
In the combustible components full combustion such as organic matter, carbon monoxide, improve safety and environmental protection performance, and combustible component burning can be with
The concurrent heating into furnace chamber, further decreases energy consumption.
In order to guarantee the separating effect of settling section, preferably above-mentioned integrated conduct method further include melting liquid to settling section into
The process of row heating.
After above-mentioned processing, environmental pollutants may be contained in the flue gas of generation, it is preferably as shown in figure 3, above-mentioned comprehensive
Close processing method further include opposite side blow and fuse refining generate flue gas burnt to obtain the process of combustion tail gas.To therein organic
The combustible components such as object, carbon monoxide are further processed.
For the ingredient in flue gas caused by the application, preferably as shown in figure 3, above-mentioned integrated conduct method further includes pair
Combustion tail gas successively carries out the process of waste heat recycling, de- dioxin processing and desulfurization process.Waste heat is carried out to combustion tail gas to return
It receives, on the one hand reduces the temperature of combustion tail gas, on the other hand improve the utilizing status of the heat of combustion tail gas, the heat of recycling
Amount can be used for generating electricity；Dioxin in de- dioxin processing removing flue gas；Desulfurization process removes the sulphur in flue gas, reaches flue gas
To emission request.The specific implementation method of the above-mentioned processing of de- dioxin and desulfurization process can refer to the prior art, such as
Dioxin is removed by the way of quenching, activated carbon adsorption dioxin, details are not described herein.
In another preferred embodiment of the application, as shown in figure 3, before carrying out side-blown melting to wiring board, on
State integrated conduct method further include successively to wiring board carry out detin weldering processing and break process process, obtain partial size be 20~
The wiring board of 70mm.Detin weldering processing is carried out to wiring board, improves the rate of recovery of tin metal, and avoid tin metal to copper metal
The influence of recycling；To the break process of wiring board, heating surface area of the wiring board in side-blown melting is improved, and then is accelerated side-blown
Smelting efficiency.
Below with reference to embodiment and comparative example, the beneficial effect of above-mentioned technical proposal is further illustrated.
Embodiment 1
Copper-contained sludge through it is dry to it is aqueous~40%, then pre- homogenizing, then by after drying copper-contained sludge and useless activity
Charcoal mixing granulation obtains copper-contained sludge particle.Waste printed circuit board detin first obtains waste printed circuit board after detin, and it is broken to be then fed into shearing
It is crushed in broken machine, obtains the wiring board that partial size is about 50mm.Broken wiring board and copper-contained sludge particle, pyrite cinder,
After quartz ingredient, it is added in side-blown converter.Wherein, the weight for controlling waste active carbon is total weight of copper in copper-contained sludge and wiring board
30%；Pyrite cinder dosage is into the 15% of furnace inventory；Quartz dosage is into the 15% of furnace inventory.It is oxygen-enriched
Air (oxygen concentration 50~60%) and waste mineral oil are immersed in the lance ejection to the molten bath of side-blown converter in molten bath by more.
Enter furnace material and fall on weld pool surface, redox reaction, the organic matter vigorous combustion in waste printed circuit board occurs.Abandoned mine
Object oil and Air combustion with oxygen enrichment, provide heat for melting, and controlling side-blown smelting temperature is 1300 DEG C~1350 DEG C.In material
Reduction reaction occurs for the metal oxides such as copper, nickel, generates metal, pyrite cinder and quartz slag making, slag phase is formed, wherein giving up
Active carbon is as reducing agent.
After molten metal and slag are clarified in the settling section of side-blown converter, it is separated into copper liquid and slag.Copper stream of the copper liquid from bottom
Outlet outflow, slag are flowed out from the slag notch on top.
Side-blown furnace sidewall is equipped with Secondary Air entrance, and side-blown interior flue gas contains unburned complete CO and organic matter, side-blown
It burns in furnace upper space with Secondary Air.
Side-blown kiln gas successively carried out after combustion chambers burn, to combustion tail gas waste heat recycling, the processing of de- dioxin and
Desulfurization process is discharged after up to standard.
Embodiment 2
Copper-contained sludge through it is dry to it is aqueous~40%, then pre- homogenizing, then by after drying copper-contained sludge and useless activity
Charcoal mixing granulation obtains copper-contained sludge particle.Waste printed circuit board detin first obtains waste printed circuit board after detin, and it is broken to be then fed into shearing
It is crushed in broken machine, obtains the wiring board that partial size is about 40~70mm.Broken wiring board and copper-contained sludge particle, pyrite are burnt
After slag, quartz ingredient, it is added in side-blown converter.Wherein, the weight for controlling waste active carbon is total copper in copper-contained sludge and wiring board
The 80% of weight；Pyrite cinder dosage is into the 15% of furnace inventory；Quartz dosage is into the 15% of furnace inventory.
Oxygen-enriched air (oxygen concentration 50~60%) and waste mineral oil are immersed in lance ejection the melting to side-blown converter in molten bath by more
In pond.
Enter furnace material and fall on weld pool surface, redox reaction, the organic matter vigorous combustion in waste printed circuit board occurs.Abandoned mine
Object oil and Air combustion with oxygen enrichment, provide heat for melting, and controlling side-blown smelting temperature is 1150 DEG C~1200 DEG C.In material
Reduction reaction occurs for the metal oxides such as copper, nickel, generates metal, pyrite cinder and quartz slag making, slag phase is formed, wherein giving up
Active carbon is as reducing agent.
After molten metal and slag are clarified in the settling section of side-blown converter, it is separated into copper liquid and slag.Copper stream of the copper liquid from bottom
Outlet outflow, slag are flowed out from the slag notch on top.
Side-blown furnace sidewall is equipped with Secondary Air entrance, and side-blown interior flue gas contains unburned complete CO and organic matter, side-blown
It burns in furnace upper space with Secondary Air.
Side-blown kiln gas successively carried out after combustion chambers burn, to combustion tail gas waste heat recycling, the processing of de- dioxin and
Desulfurization process is discharged after up to standard.
Embodiment 3
Copper-contained sludge through it is dry to it is aqueous~40%, then pre- homogenizing, then by after drying copper-contained sludge and useless activity
Charcoal mixing granulation obtains copper-contained sludge particle.Waste printed circuit board detin first obtains waste printed circuit board after detin, and it is broken to be then fed into shearing
It is crushed in broken machine, obtains the wiring board that partial size is about 20~50mm.Broken wiring board and copper-contained sludge particle, pyrite are burnt
After slag, quartz ingredient, it is added in side-blown converter.Wherein, the weight for controlling waste active carbon is total copper in copper-contained sludge and wiring board
The 10% of weight；Pyrite cinder dosage is into the 15% of furnace inventory；Quartz dosage is into the 15% of furnace inventory.
Oxygen-enriched air (oxygen concentration 50~60%) and waste mineral oil are immersed in lance ejection the melting to side-blown converter in molten bath by more
In pond.
Enter furnace material and fall on weld pool surface, redox reaction, the organic matter vigorous combustion in waste printed circuit board occurs.Abandoned mine
Object oil and Air combustion with oxygen enrichment, provide heat for melting, and controlling side-blown smelting temperature is 1350 DEG C~1400 DEG C.In material
Reduction reaction occurs for the metal oxides such as copper, nickel, generates metal, pyrite cinder and quartz slag making, slag phase is formed, wherein giving up
Active carbon is as reducing agent.
After molten metal and slag are clarified in the settling section of side-blown converter, it is separated into copper liquid and slag.Copper stream of the copper liquid from bottom
Outlet outflow, slag are flowed out from the slag notch on top.
Side-blown furnace sidewall is equipped with Secondary Air entrance, and side-blown interior flue gas contains unburned complete CO and organic matter, side-blown
It burns in furnace upper space with Secondary Air.
Side-blown kiln gas successively carried out after combustion chambers burn, to combustion tail gas waste heat recycling, the processing of de- dioxin and
Desulfurization process is discharged after up to standard.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
The application provides copper-contained sludge using copper-contained sludge feeding mechanism and the first waste active carbon feeding mechanism respectively and gives up
Active carbon, then carries out mixing granulation for the two, and waste active carbon exists after granulation with wiring board as reducing agent and part incendiary agent
Side-blown melting unit carries out side-blown melting, to reduce the Energy Consumption Cost of side-blown melting；In addition, wiring board is side-blown molten
Organic compound combustion generates heat during refining, and organic matter can be further used as the fuel of side-blown melting, to both complete
Copper metal in copper-contained sludge and wiring board is separated with other impurity, and takes full advantage of organic matter thermal energy in wiring board, into
One step reduces the energy consumption cost of side-blown melting.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (18)
1. the total system of a kind of copper-contained sludge and wiring board, which is characterized in that the total system includes:
Copper-contained sludge pelletizing unit (10), the copper-contained sludge pelletizing unit (10) includes the copper-contained sludge being connected with prilling granulator
Feeding mechanism and the first waste active carbon feeding mechanism；
Wiring board supply unit (20)；And
Side-blown melting unit (30), the side-blown melting unit (30) includes side-blown smelting furnace (31), the side-blown smelting furnace
(31) there is feed inlet (01) and fuel-side mouthpiece (02), the prilling granulator and the wiring board supply unit (20) with it is described
Feed inlet (01) is connected.
2. total system according to claim 1, which is characterized in that the side-blown melting unit (30) includes abandoned mine
Object oil feeding mechanism (32) and oxygen-enriched air feeding mechanism (33), the waste mineral oil feeding mechanism (32) and the oxygen-enriched air
Feeding mechanism (33) is connected with the fuel-side mouthpiece (02).
3. total system according to claim 1, which is characterized in that the side-blown melting unit (30) further includes making
Slag agent feeding mechanism (34), the slag former feeding mechanism (34) are connected with the feed inlet (01).
4. total system according to claim 3, which is characterized in that the slag former feeding mechanism (34) is iron content
Waste residue feeding mechanism.
5. total system according to claim 1, which is characterized in that the side-blown melting unit (30) further includes melting
Agent feeding mechanism (35), the flux feeding mechanism (35) are connected with feed inlet (01).
6. total system according to claim 1, which is characterized in that the side-blown melting unit (30) further includes mending
Heat source accommodation device (36), the concurrent heating source supply device (36) are connected with the fuel-side mouthpiece (02).
7. total system according to claim 6, which is characterized in that the concurrent heating source supply device (36) includes the
The feeding mechanism of two waste active carbon powder, coal dust and oxygen-enriched air.
8. total system according to claim 1, which is characterized in that the side-blown smelting furnace (31) includes:
Bottom wall (311), the bottom wall (311) are divided into interconnected smelting zone and settling section；
The first side wall (312), the first side wall (312) connect with the bottom wall (311), fuel-side mouthpiece (02) setting
On the first side wall (312) of the smelting zone；
Roof (313)；The roof (313) connect with the first side wall (312), the bottom wall (311), the first side wall
(312) and the roof (313) forms furnace chamber, and the feed inlet (01) is arranged on the roof (313) of the smelting zone；And
Second sidewall (314), the second sidewall (314) are connected and upwardly extend with the roof (313), the second sidewall
(314) exhanst gas outlet (03) being connected with the furnace chamber is surrounded, and the settling section is arranged with the feed inlet (01) described
The two sides of exhanst gas outlet (03).
9. total system according to claim 8, which is characterized in that the fuel-side mouthpiece (02) is arranged described
The lower half of the first side wall (312).
10. total system according to claim 8, which is characterized in that the roof (313) of the smelting zone is high
Degree is greater than the roof (313) height of the settling section, the side-blown smelting furnace (31) further include:
First side wall (315), first side wall (315) setting the feed inlet (01) and the exhanst gas outlet (03) it
Between, first side wall (315) is connected and extends downwardly with the roof (313), first side wall (315) and the bottom wall
(311) there is interval between；And
Second side wall (316)；Second side wall (316) is arranged between the settling section and the exhanst gas outlet (03), institute
It states the second side wall (316) and is connected and extends downwardly with the roof (313), second side wall (316) and the bottom wall (311)
Between have interval.
11. total system according to claim 8, which is characterized in that on the roof (313) of the settling section
It is additionally provided with reduction feed opening (04), the side-blown melting unit (30) further includes reducing agent feeding mechanism (37), the reduction
Agent feeding mechanism (37) is connected with the reduction feed opening (04).
12. total system according to claim 11, which is characterized in that the reducing agent feeding mechanism (37) is the
Three waste active carbon feeding mechanisms, coke supply device or lump coal feeding mechanism.
13. total system according to claim 8, which is characterized in that the first side wall (312) and described second
Secondary Air entrance (05) is set on side wall (314).
14. total system according to claim 8, which is characterized in that the settling section is additionally provided with heating device
(317)。
15. total system according to claim 14, which is characterized in that the heating device (317) is electrode, institute
Electrode is stated to be arranged on the roof (313).
16. total system according to claim 8, which is characterized in that the total system further includes flue gas
Processing unit (40), the fume treatment unit (40) include burner (41), the burner (41) and the exhanst gas outlet
(03) it is connected.
17. total system according to claim 16, which is characterized in that the burner (41) has combustion tail gas
Outlet, the fume treatment unit (40) further include:
Waste-heat recovery device (42), the waste-heat recovery device (42) has combustion tail gas entrance and cooling offgas outlet, described
Combustion tail gas entrance is connected with combustion tail gas outlet；
De- twoEnglish device (43), described de- twoEnglish device (43) has cooling gas inlet and the outlet of adsorption cleaning gas, described
Cooling gas inlet is connected with the cooling offgas outlet；
Desulfurizer (44), the desulfurizer (44) have adsorption cleaning gas entrance and evacuation port, and the adsorption cleaning gas enters
Mouth is connected with adsorption cleaning gas outlet.
18. total system according to claim 1, which is characterized in that the wiring board supply unit (20) includes:
Detin welder (21), the detin welder (21) carry out detin weldering processing to wiring board；And
Crushing device (22), the crushing device (22) is connected with detin welder (21) to be carried out with the wiring board to detin postwelding
Break process, the crushing device (22) are connected with the feed inlet (01) of the side-blown melting unit (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820678665.1U CN208517489U (en) | 2018-05-08 | 2018-05-08 | A kind of total system of copper-contained sludge and wiring board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820678665.1U CN208517489U (en) | 2018-05-08 | 2018-05-08 | A kind of total system of copper-contained sludge and wiring board |
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|---|---|
| CN208517489U true CN208517489U (en) | 2019-02-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093512A (en) * | 2019-06-10 | 2019-08-06 | 上海环境工程设计研究院有限公司 | A kind of recycling unit of the high copper-contained sludge containing ink |
-
2018
- 2018-05-08 CN CN201820678665.1U patent/CN208517489U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093512A (en) * | 2019-06-10 | 2019-08-06 | 上海环境工程设计研究院有限公司 | A kind of recycling unit of the high copper-contained sludge containing ink |
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