CN206828592U - A kind of system for handling lead and zinc smelting dreg - Google Patents
A kind of system for handling lead and zinc smelting dreg Download PDFInfo
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- CN206828592U CN206828592U CN201720648387.0U CN201720648387U CN206828592U CN 206828592 U CN206828592 U CN 206828592U CN 201720648387 U CN201720648387 U CN 201720648387U CN 206828592 U CN206828592 U CN 206828592U
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Abstract
The system that the utility model is related to processing lead and zinc smelting dreg.In the system, batch mixer has lead and zinc smelting dreg entrance, chlorinating agent entrance, reducing agent entrance, binding agent entrance, compound outlet；Pelletizer has compound entrance, green-ball outlet, and compound entrance connects with compound outlet；Chloridizing roaster is in staged, the feed zone reduced successively including level height, Qian Xin chlorinations area, zinc chloride volatilization area, chlorination lead volatility area, iron reducing zone, discharge zone, conveyer is provided with regional, baffle plate is provided between regional, so that each region forms the space of closing, the upper end of baffle plate is fixed on the furnace roof of chloridizing roaster, bottom being capable of open or close, zinc chloride volatilization area is provided with the first flue, chlorination lead volatility area is provided with the second flue, feed zone is provided with green-ball entrance, discharge zone is provided with metallized pellet outlet, green-ball entrance connects with green-ball outlet.The utility model realizes the separation of lead, zinc, iron, and energy consumption is smaller.
Description
Technical field
It the utility model is related to field of solid waste treatment, and in particular to a kind of system for handling lead and zinc smelting dreg.
Background technology
Lead and zinc are indispensable important meals materials during the national economic development, in industrial production and human lives
In be widely used.In recent years, Lead-zinc Smelting Enterprises development was swift and violent, and China has become the most important lead-zinc production state in the whole world
One of.
The scale and quantity of China's Lead-zinc Smelting Enterprises are expanding year by year, and lead zinc yield quickly increases, and smelting technique obtains
Greater advance.But lead-zinc smelting technological process is complicated, the link for producing pollutant is more.The fast development of lead-zinc smelting, leads
The generation of large quantity of exhaust gas, sewage, waste residue etc. is caused, causes serious environmental pollution.Wherein, the yield of waste residue is more.According to state
Family's development and the reform committee《Large solid waste utilizes embodiment》In statistics, China gives up in the smelting of output in 2010
The quantity of slag is about 3.15 hundred million, wherein only the yield of lead and zinc smelting dreg has just reached 4,300,000 tons.
Due to the difference of steel production structure, Zn-Pb-containing dusts caused by the steel plant of countries in the world are also not quite similar.In state
Outside, the increase of ratio and the increase of zinc-plated steel scrap proportioning in process for making due to electric furnace steel making, makes zincy lead electric furnace dust
Amount increases year by year.The Zn-Pb-containing dusts of foreign iron and steel factory are essentially from electric steelmaking process, next to that converter and blast furnace and other
Process.Using the higher iron ore of zincy lead, the Dust Capacity of blast furnace output is big, contains for the steel plant in the most of provinces of south China
Zinc, lead amount are higher.Meanwhile the increase of zinc-plated sheet material and wear-resisting steel part usage amount, EAF steelmaking plant scale and electric furnace steel making ratio
Expansion, make the quantum of output of electric furnace dust increase, zinc therein, lead content also increase.China's zincy lead Dust of Iron And Steel Works is main
It is blast furnace dust and electric furnace dust, next to that converter dust.
Lead and zinc smelting dreg is rich in the rare precious metal such as metallic iron and gallium, indium, gold, silver, also containing the poisonous member such as lead, cadmium, arsenic
Plain and strong migration metal.Substantial amounts of lead and zinc smelting dreg uses the outdoor processing mode banked up or simply filled, and takes big
The soil of area, cause land resource in short supply.Over time, due to weathering and the effect of rain drop erosion, lead zinc
In metallic element meeting invading air, water body and soil in metallurgical slag, turn into important pollution sources.If without rational recovery
With utilization, the health of human and animal is not only endangered, influences the growth of plant and vegetation, also results in the wave of valuable metal resource
Take.
At present, in lead-zinc smelting residues processing technique, pyrogenic attack technique is more ripe, more practical.But exist as follows
Problem：Products obtained therefrom is secondary dust and iron slag containing zinc, lead oxides mostly, or low-grade metal zinc, lead and
Molten iron；Mainly for the purpose of the iron in reclaiming smelting slag, zinc lead secondary dust byproduct is used as zinc metallurgy or refines lead processing procedure
Raw material；Zinc and lead after processing are not efficiently separated, and to utilize zinc, lead resource, it is necessary to secondary dust is reprocessed,
Zinc and lead are separated, considerably increases treatment process and cost.At present, it there is no that method processing iron content is low, leaded high lead both at home and abroad
Zinc smelting dreg, also not once property separation of Zinc, the report of lead.
Utility model content
The utility model is directed to a kind of system for handling lead and zinc smelting dreg, can have using system of the present utility model
Effect solves the problems, such as the stockpiling of lead and zinc smelting dreg, realizes that lead in lead and zinc smelting dreg, zinc, ferrous metal are separately separated, energy consumption is relatively low, suitable
In commercial Application.
The utility model provides a kind of system for handling lead and zinc smelting dreg, including batch mixer, pelletizer, in addition to chlorination
Roaster.
The batch mixer has lead and zinc smelting dreg entrance, chlorinating agent entrance, reducing agent entrance, binding agent entrance, compound
Outlet.
The pelletizer has compound entrance, green-ball outlet；The compound of the compound entrance and the batch mixer
Outlet connection.
The chloridizing roaster is in staged, including feed zone, Qian Xin chlorinations area, the zinc chloride that level height reduces successively
Volatilize area, chlorination lead volatility area, iron reducing zone, discharge zone, be provided with conveyer in regional.The regional it
Between be provided with baffle plate so that the regional forms the space of closing, and the baffle plate has upper and lower end, its
In, the upper end of the baffle plate is fixed on the furnace roof of the chloridizing roaster, and the bottom being capable of open or close.The chlorine
Change zinc volatilization area and be provided with the first flue, the chlorination lead volatility area is provided with the second flue.Also, the feed zone is provided with
Green-ball entrance, the discharge zone are provided with metallized pellet outlet, and the green-ball outlet of the green-ball entrance and the pelletizer connects
Connect.
Preferably, the baffle plate and the angle of vertical direction are 30~45 °.
Preferably, first flue is arranged on the top in the zinc chloride volatilization area, and close to the chlorination lead volatility
Area.Second flue is arranged on the top in the chlorination lead volatility area, and close to the iron reducing zone.
Further, in addition to drying unit, the drying unit receive the green-ball being sent into by the pelletizer and dried
Dry-cure, then it is sent into via the green-ball entrance in the chloridizing roaster.
Further, in addition to cooling device, mill ore magnetic selection device.The cooling device have metallized pellet entrance,
Cool down metallized pellet outlet.The metallized pellet outlet of the metallized pellet entrance and the chloridizing roaster connects.Institute
Stating mill ore magnetic selection device has cooling metallized pellet entrance, iron outlet.The cooling metallized pellet entrance and the cooling
The cooling metallized pellet outlet connection of device.
Further, in addition to molten separating device, the molten separating device have metallized pellet entrance, iron outlet.The gold
The metallized pellet outlet for belonging to pellet entrance and the chloridizing roaster connects.
The regional of chloridizing roaster is respectively set to the space of autonomous closure, Neng Gouyou by system of the present utility model
The temperature and atmosphere of effect control regional, ensure that lead, zinc, iron efficiently separate in lead and zinc smelting dreg, save postorder progress
The technique of Lead separation from zinc.
Compared with traditional Rotary Kiln technique, using system of the present utility model, using the method stage extraction of chloridising roasting
Zinc, lead, iron, can solve the problems, such as that current lead and zinc smelting dreg can not be utilized effectively, in chloridizing roaster i.e. can be achieved lead,
Zinc, iron are separately separated.Also, can be at a lower temperature because metal chloride has the characteristics of low boiling, high volatile
The separation and Extraction recovery of lead in lead and zinc smelting dreg, zinc metal is realized, energy consumption is low.
Also, system of the present utility model is equally applicable to the separation and Extraction of other heavy metals or noble metal.
Brief description of the drawings
Fig. 1 is the system schematic that lead and zinc smelting dreg is handled in the utility model embodiment 1.
Fig. 2 is the system schematic that lead and zinc smelting dreg is handled in the utility model embodiment 2.
Fig. 3 is the structural representation of chloridizing roaster.
Fig. 4 is the method flow schematic diagram that lead and zinc smelting dreg is handled using system of the present utility model.
Reference in accompanying drawing is as follows：
1st, batch mixer；2nd, pelletizer；3rd, drying unit；
4th, chloridizing roaster；4-1, feed zone；4-2, Qian Xin chlorination area；4-3, zinc chloride volatilization area；4-4, lead chloride are waved
Send out area；4-5, iron reducing zone；4-6, discharge zone；4-7, the first flue；4-8, the second flue；4-9, baffle plate；
5th, cooling device；6th, mill ore magnetic selection device；5 ＇, molten separating device.
Embodiment
Below in conjunction with drawings and examples, specific embodiment of the present utility model is described in more details, with
Just the advantages of better understood when scheme of the present utility model and its various aspects.However, specific implementations described below
Mode and embodiment are for illustrative purposes only, rather than to limitation of the present utility model.
As depicted in figs. 1 and 2, the system of the utility model processing lead and zinc smelting dreg includes batch mixer 1, pelletizer 2, chlorination
Roaster 4.
Batch mixer 1 obtains compound for mixed material, and it has lead and zinc smelting dreg entrance, chlorinating agent entrance, reducing agent
Entrance, binding agent entrance, compound outlet.
Pelletizer 2 is used to compound compacting pelletizing obtaining green-ball, and it has compound entrance, green-ball outlet.It is also, mixed
The compound outlet for closing material entrance and batch mixer 1 connects.In the utility model, 2 preferred disc balling machine of pelletizer.
As shown in figure 3, chloridizing roaster 4 is in staged, it is staged horizontal reacting stove, chlorination is carried out for receiving green-ball
Calcination process, obtain metallized pellet and metal chloride dust.The sequencing that chloridizing roaster 4 passes through according to material is successively
It is divided into feed zone 4-1, Qian Xin chlorination area 4-2, zinc chloride volatilization area 4-3, chlorination lead volatility area 4-4, iron reducing zone 4-5, discharging
Area 4-6, from feed zone 4-1 to discharge zone 4-6, the position of regional reduces successively in level height, so as to form ladder
Formula structure.Green-ball entrance is provided with feed zone 4-1, discharge zone is provided with metallized pellet outlet.Wherein, green-ball entrance is with making
The green-ball outlet connection of ball machine 2.Preferably, green-ball entrance is located at feed zone 4-1 upper end, and metallized pellet outlet is located at
Discharge zone 4-6 lower bottom end, it is easy to material to be transmitted under gravity between each region.Also, in each area
Conveyer is provided between domain, for placing material, and realizes conveying of the material between adjacent area.Preferably, phase
Conveyer between neighbouring region is continuous, so as to ensure the continuous conveying of material.Further, conveyer is level
Set, or be obliquely installed.
In chloridizing roaster 4, between feed zone 4-1 and Qian Xin chlorination area 4-2, Qian Xin chlorinations area 4-2 and zinc chloride volatilization
Between area 4-3, between zinc chloride volatilization area 4-3 and chlorination lead volatility area 4-4, chlorination lead volatility area 4-4 and iron reducing zone 4-5 it
Between, between iron reducing zone 4-5 and discharge zone 4-6 be provided with baffle plate 4-9 so that in chloridizing roaster 4 between each region
The space of independent closing is formed respectively.Wherein, each baffle plate 4-9 is respectively provided with upper and lower end.In the utility model,
Baffle plate 4-9 upper end is fixed on the furnace roof inwall of chloridizing roaster 4.Baffle plate 4-9 bottom being capable of open or close.
When material transmits between adjacent area, material can be under gravity or in conveyer on conveyer
By baffle plate 4-9 under power transmitting effect, now baffle plate is opened, and when material is after, baffle plate closes automatically, returns to closing
State.Preferably, baffle plate 4-9 is arranged at the charging aperture of each region upper end, is easy to open or close, is existed with control material
Disengaging conveying between adjacent area.As the utility model preferred embodiment, the angle of baffle plate 4-9 and vertical direction is 30
~45 °.
The first flue 4-7 is provided with zinc chloride volatilizees area 4-3, for reclaiming zinc chloride caused by chlorination reaction process
Dust.Preferably, the first flue 4-7 is arranged on zinc chloride volatilization area 4-3 top, and close to chlorination lead volatility area 4-4.And
And the second flue 4-8 is provided with chlorination lead volatility area 4-4, for reclaiming lead chloride dust caused by chlorination reaction process.
Preferably, the second flue 4-8 is arranged on chlorination lead volatility area 4-4 top, and close to iron reducing zone 4-5.
In the utility model, Qian Xin chlorinations area 4-2, zinc chloride volatilization area 4-3, chlorination lead volatility area 4-4, iron are not limited also
Former area 4-5, the first flue 4-7, the second flue 4-8, baffle plate 4-9 quantity.
As the utility model preferred embodiment, the system further comprises drying unit 3, for receiving by pelletizer
Processing is dried in the green-ball of 2 discharges.Drying unit 3 has green-ball entrance, dries green-ball outlet.Wherein, the life of drying unit 3
The green-ball outlet of ball entrance and pelletizer 2 connects, and dries green-ball outlet and is connected with the green-ball entrance of chloridizing roaster 4, be easy to by
The drying green-ball of drying is sent into via the green-ball entrance of chloridizing roaster 4.Preferably, 3 preferred drying baker of drying unit.
As the utility model preferred embodiment, the system includes cooling device 5 and mill ore magnetic selection device 6.Wherein, it is cold
But device 5 is used to cool down metallized pellet, and it has metallized pellet entrance, the outlet of cooling metallized pellet.Also, the metal
The metallized pellet outlet of pellet entrance and chloridizing roaster 4 connects.Mill ore magnetic selection device 6 is used to receive the metal after cooling
Pellet simultaneously carries out mill ore magnetic selection recovery iron, and it has cooling metallized pellet entrance, iron outlet, tailings outlet.Also, cool down
The cooling metallized pellet outlet of metallized pellet entrance and cooling device 5 connects.
As another preferred embodiment of the utility model, the system includes the molten ＇ of separating device 5, for receiving the ball that metallizes
Group carries out molten office reason recovery iron, and it has metallized pellet entrance, iron outlet, melting slag outlet.Also, the metallized pellet
The metallized pellet outlet of entrance and chloridizing roaster 4 connects.
Fig. 4 is to utilize the method for the system processing lead and zinc smelting dreg shown in Fig. 1 or Fig. 2, including step：
(1) mixing of raw material
Lead and zinc smelting dreg, chlorinating agent, reducing agent, binding agent are well mixed, obtain compound.Wherein, the matter of each component
Measuring ratio is：Lead and zinc smelting dreg：Chlorinating agent：Reducing agent：Binding agent=100：(10~25):(5~15):(5~10).
In the utility model, the selection species of chlorinating agent is more, and substantial amounts of chlorine is contained in some waste materials, it is possible to achieve with useless
Control useless, preferably calcium chloride in the utility model.Reducing agent selects carbon containing coal dust, preferably anthracite, such as coke powder, semi-coke.Bond
Inorganic binder, preferably bentonite are selected in agent.
(2) pelletizing
Pelletizing in pelletizer 2 is fed the mixture into, obtains green-ball.
(3) chloridising roasting of green-ball
Green-ball is sent into chloridizing roaster 4 via feed zone 4-1, is placed on conveyer.In the biography of conveyer
Send down, green-ball enters by Qian Xin chlorinations area 4-2, zinc chloride volatilization area 4-3, chlorination lead volatility area 4-4, iron reducing zone 4-5 successively
Quadrat zinc chlorination reaction, zinc chloride volatilization, chlorination lead volatility, iron reduction reaction, respectively obtain zinc chloride dust, chlorination lead powder
Dirt, metallized pellet.Wherein, zinc chloride dust is volatized into the first flue 4-7, and lead chloride dust is volatized into the second flue 4-
8, metallized pellet exports discharge via discharge zone 4-6 metallized pellet.
Preferably, control water content≤2wt% of green-ball in the step (wt% is mass percent).Preferably, inciting somebody to action
Green-ball carries out including step before chloridising roasting processing：Green-ball is sent into drying unit 3 processing is dried.
In lead and zinc smelting dreg, because the metal chloride (i.e. lead chloride and zinc chloride) of lead, zinc has low boiling, high volatilization
The characteristics of property.Therefore, the oxide chlorination of lead, zinc in lead and zinc smelting dreg is first generated to the chloride of lead, zinc in the utility model.
Therefore, the utility model is provided with Qian Xin chlorinations area 4-2 after feed zone 4-1, and forms independent and closing space respectively, from
And ensure lead, chlorination reaction fully occurs for the oxide of zinc, form zinc chloride and lead chloride.The utility model controls lead zinc chlorination
The temperature that chlorination reaction occurs for area 4-2 parts is 200~700 DEG C, and the zinc chloride generated in the temperature range, lead chloride are in solid
State.
In the utility model, the reaction carried out in zinc chloride volatilization area 4-3 is the chlorination and volatilization of zinc oxide.Also,
The temperature for controlling zinc chloride volatilization area 4-3 is 700 DEG C~900 DEG C.Preferably, the temperature for controlling zinc chloride volatilization area 4-3 is excellent
Select 800 DEG C~900 DEG C.In the temperature range, it is ensured that the zinc chloride that chlorination reaction obtains is in volatilizable zinc chloride dust,
The first flue 4-7 is subsequently entered to be collected.
The reaction carried out in chlorination lead volatility area 4-4 is the chlorination and volatilization of lead oxides.Also, control chlorination lead volatility
Area 4-4 temperature is 950 DEG C~1150 DEG C.Preferably, the temperature for controlling chlorination lead volatility area 4-4 is 1000 DEG C~1150 DEG C.
In the temperature range, it is ensured that the lead chloride that chlorination reaction obtains is in volatilizable lead chloride dust.Subsequently enter second
Flue 4-8 is collected.
Also, cause zinc chloride volatilization area 4-3 and chlorination lead volatility area 4-4 difference in the presence of baffle plate 4-9 in systems
Form the space of autonomous closure so that temperature and atmosphere between two regions are not influenceed by adjacent area.Therefore, may be used
To ensure that zinc chloride dust and lead chloride dust respectively enter the first flue 4-7 and the second flue 4-8, the separation of zinc, lead is realized
Recovery.
In the utility model, in lead and zinc smelting dreg, the volatility of lead reaches more than 95.6%, and the volatility of zinc reaches
More than 97.5%.
Successively after lead zinc chlorination reaction, zinc chloride volatilization, chlorination lead volatility, obtained iron content pelletizing is delivered to green-ball
In the 4-5 of iron reducing zone.Due to containing reducing agent in pelletizing, then under iron reducing zone 4-5 hot conditions, the iron oxidation in pelletizing
Reduction reaction, the metallized pellet after being reduced occur for thing.In the utility model, the temperature for controlling iron reducing zone 4-5 is
1200 DEG C~1300 DEG C, ensure the abundant reduction of ferriferous oxide.Preferably, control iron reducing zone 4-5 temperature for 1250 DEG C~
1300℃。
(4) iron in metallized pellet is reclaimed
As one of embodiment of the present utility model, metallized pellet carries out mill ore magnetic selection processing, obtained after cooling
To metallic iron and tailings, wherein, metal Iron grade is>92%, the rate of recovery>93%.
As the utility model others embodiment, metallized pellet carries out molten office reason, obtains metallic iron and melting slag,
Wherein, metal Iron grade is>95%, the rate of recovery>96%.
Also, above-mentioned mill ore magnetic selection process divides process to use conventional treatment process with molten.
Embodiment 1
In the present embodiment, the composition of lead and zinc smelting dreg is：All iron content 25.22wt%, lead content 3.25wt%, Zn content
4.55wt%.Lead and zinc smelting dreg, calcium chloride, coke powder, bentonite are 100 according to mass ratio：10：15：5 carry out mixed pelletizing, obtain
To green-ball be dried to water content≤2wt%, and be sent into chloridizing roaster.Wherein, the temperature in Qian Xin chlorinations area be 500 DEG C ±
15 DEG C, zinc chloride volatilization area's temperature is 850 DEG C ± 10 DEG C, and chlorination lead volatility area temperature is 1000 DEG C ± 15 DEG C.Through chlorination, volatilization
Reaction, obtained zinc chloride dust are volatized into the first flue, and the volatility of zinc reaches 97.62%, obtained lead chloride dust
The second flue is volatized into, the volatility of lead reaches 96.26%.Iron content pelletizing after lead zinc chloride-sublimation enters iron reduction
Area, the regional temperature are 1250 DEG C ± 30 DEG C, and ferriferous oxide occurs reduction reaction with coke powder and obtains metallized pellet, through discharge zone
It is expelled in cooling device, then carries out mill ore magnetic selection and reclaim to obtain iron, Iron grade 92.5%, the rate of recovery 93.2%.
Embodiment 2
In the present embodiment, the composition of lead and zinc smelting dreg is：All iron content 22wt%, lead content 4wt%, Zn content
17wt%.Lead and zinc smelting dreg, calcium chloride, semi-coke, bentonite are 100 according to mass ratio：25：5：10 carry out mixed pelletizing, obtain
Green-ball be dried to water content≤2wt%, and be sent into chloridizing roaster.Wherein, the temperature in Qian Xin chlorinations area is 550 DEG C ± 15
DEG C, zinc chloride volatilization area's temperature is 850 DEG C ± 10 DEG C, and chlorination lead volatility area temperature is 1050 DEG C ± 15 DEG C.It is anti-through chlorination, volatilization
Should, obtained zinc chloride dust is volatized into the first flue, and the volatility of zinc reaches 98.05%, and obtained lead chloride dust is waved
Hair enters the second flue, and the volatility of lead reaches 97.03%.Iron content pelletizing after lead zinc chloride-sublimation enters iron reduction
Area, the regional temperature are 1250 DEG C ± 30 DEG C, and ferriferous oxide occurs reduction reaction with semi-coke and obtains metallized pellet, through discharge zone
It is expelled in molten separating device and carries out molten office reason recovery and obtain iron, Iron grade 95.6%, the rate of recovery 96.8%.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate the utility model example,
And the restriction not to embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And thus
Among the obvious changes or variations amplified out is still in the scope of protection of the utility model.
Claims (6)
1. a kind of system for handling lead and zinc smelting dreg, including batch mixer, pelletizer, it is characterised in that also including chloridizing roaster；
The batch mixer has lead and zinc smelting dreg entrance, chlorinating agent entrance, reducing agent entrance, binding agent entrance, compound outlet；
The pelletizer has compound entrance, green-ball outlet；The compound of the compound entrance and the batch mixer exports
Connection；
The chloridizing roaster is in staged, including level height reduce successively feed zone, Qian Xin chlorinations area, zinc chloride volatilization
Area, chlorination lead volatility area, iron reducing zone, discharge zone, conveyer is provided with regional；Between the regional
It is provided with baffle plate so that the regional forms the space of closing, and the baffle plate has upper and lower end, wherein, institute
The upper end for stating baffle plate is fixed on the furnace roof of the chloridizing roaster, and the bottom being capable of open or close；The zinc chloride
Volatilization area is provided with the first flue, and the chlorination lead volatility area is provided with the second flue；Also, the feed zone is provided with green-ball
Entrance, the discharge zone are provided with metallized pellet outlet, and the green-ball outlet of the green-ball entrance and the pelletizer connects.
2. system according to claim 1, it is characterised in that the baffle plate and the angle of vertical direction are 30~45 °.
3. system according to claim 1, it is characterised in that first flue is arranged on the zinc chloride volatilization area
Top, and close to the chlorination lead volatility area；Second flue is arranged on the top in the chlorination lead volatility area, and close to institute
State iron reducing zone.
4. system according to claim 1, it is characterised in that also received including drying unit, the drying unit by institute
The green-ball for stating pelletizer feeding carries out drying and processing, is then sent into via the green-ball entrance in the chloridizing roaster.
5. system according to claim 1, it is characterised in that also including cooling device, mill ore magnetic selection device；The cooling
Device has metallized pellet entrance, the outlet of cooling metallized pellet；The metallized pellet entrance and the chloridizing roaster
Metallized pellet outlet connection；The mill ore magnetic selection device has cooling metallized pellet entrance, iron outlet；The cooling gold
The cooling metallized pellet outlet for belonging to pellet entrance and the cooling device connects.
6. system according to claim 1, it is characterised in that also include molten separating device, the molten separating device has metal
Pellet entrance, iron outlet；The metallized pellet outlet of the metallized pellet entrance and the chloridizing roaster connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720648387.0U CN206828592U (en) | 2017-06-06 | 2017-06-06 | A kind of system for handling lead and zinc smelting dreg |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720648387.0U CN206828592U (en) | 2017-06-06 | 2017-06-06 | A kind of system for handling lead and zinc smelting dreg |
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| CN206828592U true CN206828592U (en) | 2018-01-02 |
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ID=60774155
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107151741A (en) * | 2017-06-06 | 2017-09-12 | 江苏省冶金设计院有限公司 | A kind of system and method for handling lead and zinc smelting dreg |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107151741A (en) * | 2017-06-06 | 2017-09-12 | 江苏省冶金设计院有限公司 | A kind of system and method for handling lead and zinc smelting dreg |
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