CN206940966U - The equipment that a kind of high ferro waste residue activation separation utilizes - Google Patents
The equipment that a kind of high ferro waste residue activation separation utilizes Download PDFInfo
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- CN206940966U CN206940966U CN201720864549.4U CN201720864549U CN206940966U CN 206940966 U CN206940966 U CN 206940966U CN 201720864549 U CN201720864549 U CN 201720864549U CN 206940966 U CN206940966 U CN 206940966U
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Abstract
The equipment that a kind of high ferro waste residue activation separation utilizes, including drying type reducing mechanism, activation dore furnace, activation powder and alkali dust separating device, magnetization reforming unit and magnetic separating device；The drying type reducing mechanism includes material feeding device, drying type pulverizer, powder concentrator, dust-precipitator and exhaust blower；The activation dore furnace includes suspension fluidization bed decomposing furnace, burner and hot air apparatus；The activation powder includes high temperature device for separating powder with alkali dust separating device, alkali dirt separates and collects device, alkali dirt waste-heat recovery device, high-temperature blower and alkali dirt storehouse；The magnetization reforming unit includes magnetization reburner, reduction transforming agent atomization feeding device, air-introduced machine and magnetization powder high temperature exhaust-heat recovery unit.The utility model for high ferro waste residue especially iron red mud good water-retaining property, be difficult to dry the characteristics of, using drying type crushing system powder, efficiency high, treating capacity are big, and energy consumption is low, non-secondary pollution.
Description
Technical field
It the utility model is related to environmental protection and waste utilization technical field, and in particular to the high ferro such as a kind of iron red mud and iron ore waste material
The equipment that waste residue activation separation utilizes.
Background technology
Currently, the accumulating amount of the high ferro waste residue such as iron red mud and iron ore waste material is huge, is more than wasting substantial amounts of money
Source, also cause huge pollution and potential safety hazard to environment.
Iron red mud is mainly Bayer process red mud, and Bayer process red mud iron oxide and alumina content are high, and iron oxide is up to total
The 28~34% of amount, as the chemical composition of the Bayer process red mud of Pingguo aluminium manufacturer is generally Fe2O3 28~34%, Al2O316~19%,
SiO27~9%, CaO 18~21%, TiO26.5~7.5%, K2O 0.04~0.1%, Na2O 2.2~8.6%, MgO 0.3~
0.8%th, Loss 11~14%.At present, alumina producing turns into basic trend using the bayer process of energy-conservation, and China is
It is alumina producing big country of the world, China's aluminum oxide production capacity has accounted for the 51.98% up to 7160.27 ten thousand of global aggregated capacity within 2015
Ton, China's aluminum oxide yield have accounted for the 51.18% up to 5898.90 ten thousand tons of global aluminum oxide total output, will newly gone into operation plus 2017
6,000,000 tons of production capacity, aggregated capacity are expected to reach 80,000,000 tons, and 2017 annual productions are expected to reach 65,600,000 tons.Typically often produce one ton
Aluminum oxide about discharges 1.0~1.3t red muds.
Red mud has thin particle, high water conservation, high viscosity, and the grain diameter of red mud is mostly>0.075mm 3~6%, 0.075
~0.005mm 87~92%,<0.005mm 4~7%；Proportion is mostly 2840~2870 g/m3；Its essential mineral is aragonite
With calcite, opal, gibbsite, goethite, alumogoethite, chamosite, also a small amount of titanium mineral, siderite, water
Glass, sodium aluminate, trona and caustic soda, and iron-bearing mineral particle therein is superfine and is covered and wraps up in by aluminosilicate mineral, and largely
Iron directly melt admittedly in aluminosilicate mineral lattice.
Pollutant in red mud and its attached liquid mainly has alkali, heavy metal, fluoride, chloride, sulfate etc., and red mud
PH value is up to 10.3~12,4.89~8.6mg/l of content of fluoride, and the pH value of its leachate is up to 12.1~14, content of fluoride
11.5~26.7mg/l.Therefore, red mud（Containing attached liquid）Belong to strong basicity and be harmful to waste residue, harmlessness disposing need to be carried out.
Foreign countries, the red mud of alumina producing enterprise originally mainly filled out extra large stockpiling, and red mud is filled out sea stockpiling and prohibited by explicit order now
Only, stockpiling of building a dam turns into main processing mode.The country, red mud is largely discharged into culvert undderground river and simple earthing is filled out
Bury.In recent years, as the reinforcing of environmental protection, red mud are largely built a dam stockpiling, the accumulation super several hundred million tons of volume of cargo in storage.Red mud dump construction
It is high with maintenance cost, and strong basicity, the red mud waste liquid seepage of high salinity can cause alkalization of soils, polluted underground water source, also break
Surrounding enviroment are broken, bring serious environmental problem, cause the environmental protection pressure of aluminum i ndustry to increase severely, it has also become influence China's aluminum i ndustry
The thorny problem of sustainable development.Around the recycling and harmless treatment two principal themes of red mud, lot of domestic and foreign scientific research
Institutes and technical staff expand multi-field, multi-disciplinary red mud comprehensive utilization technique research.Substantially it can be summarized as：
1）Cement is produced using red mud from sintering process
Using the low iron low-aluminium high calcium red mud production cement of sintering process, China is lasting so far from the sixties in last century to be put into
Huge manpower, fund.But because alkali content is high and influence kiln condition, product quality is relatively low the problems such as, fail effective industry so far
Large-scale application.
2）Novel wall material and development are produced using red mud
In terms of using red mud production new wall material, from " red-mud coal ash fired brick " as national " 95 " tackling of key scientific and technical problems
So far, the serial project of red mud is all national great support brainstorm project every year to major project, the manpower and fund ten of input
It is point huge, carried out substantial amounts of technological development, but this national scientific and technological result project of series all because less economical and product cracking,
The problems such as scum, fails to realize industrialization.Equally, using red mud potting ceramic filter material, plastics material, devitrified glass, desulfurizing agent,
Make steel in the exploitations of product such as covering slag, at present or in progress or because of product quality problem or because of economy and high energy consumption
With secondary pollution problem, the target that red mud is largely consumed from industrial applications is still remote.
3）Red mud is as roadbed material
Red mud is for primary raw material with red mud from sintering process and flyash, lime, cement etc. as pavement material, and 2004 i.e.
The Demonstration Application engineering with the great cooperation by production, study and research project implementation, have cost cheap, loess resource etc. can be saved, but objectively
Still simply it displaced pollution.
4）Red mud agricultural fertilizer
The agricultural fertilizer technology of red mud system include by red mud drying powder is made or be made graininess as soil conditioner it is (also known as red
Mud siliceous fertilizer or silico-calcium compound fertilizer) or by red mud add part phosphorus nitrogen potassium and/or organic waste that graininess multielement is made is compound
Fertilizer is used to plough.Though red mud agricultural fertilizer can dissolve the environmental protection pressure problem of alumina producing enterprise really, be only objectively by
The pollution sources transfer diffusion of concentration.
5）Valuable metal is extracted from red mud
It is always domestic and international scientific research that titanium, scandium, gallium, niobium, tantalum, zirconium, thorium and uranium etc. valuable metal element are extracted from red mud
The problem of personnel's research.At present, the main method taken is high temperature reduction melting and acid leaching extraction method, but complex process, energy
Consumption is high, and secondary pollution is serious, there is no the method that can be cost-effectively enriched with extraction without producing secondary pollution so far.
6）Iron is selected using Bayer process red mud
It is always the target that domestic and international scientific research personnel makes great efforts that iron is reclaimed from Bayer process red mud.Returned at present in Bayer process red mud
The method for receiving iron is broadly divided into metallurgical method and the major class of physical upgrading method two.
Metallurgical method mainly adds reducing agent（Predominantly C）Reducing and smelting is separated into the pig iron and given up in high temperature smelting furnace
Slag, or red mud is added into carbon in roaster high temperature reduction roasting, make weak magnetic in red mud bloodstone and goethite in roasting
The reduction roasting of stove high temperature is then levigate into magnetic iron ore, and magnetic iron ore is isolated in then magnetic separation, and the waste residue after magnetic separation is thrown aside, or magnetic separation
The magnetic iron ore of separation removes a large amount of alumino-silicate impure minerals wrapped through grinding multi-stage magnetic separation again, obtains fine iron breeze.
Physical upgrading method is mainly defibrination FLOTATION SEPARATION, or is wrapped using multi-stage magnetic separation or multilevel grinding magnetic separation, removal
Aluminosilicate mineral impurity after reclaim iron-bearing mineral, the waste residue after magnetic separation is thrown aside.
Although metallurgical method and the industrialization at present of physical upgrading method, and Bayer process red mud magnetic selection method therein
Some more high-grade iron ore concentrates are can obtain through more wheel magnetic separation purifications, but because the iron-bearing mineral in red mud is mostly ultra-fine and height point
Dissipate and covered and wrap up in by aluminosilicate mineral, either current metallurgy method or physical upgrading method, except the less efficient, rate of recovery compared with
It is low, energy consumption is higher and has outside secondary pollution, its Technical Economy is all unsatisfactory, and still has a large amount of waste residues to build a dam stockpiling.
On the other hand, current mine ore dressing waste material includes low-grade iron ore, tailings and substantial amounts of refractory iron ore, is worked as mostly
Thrown aside and bulk deposition or landfill of building a dam as waste material.For these high ferro waste materials, current main technique methods both domestic and external can be general
Include as three classes：
When add carbon high-temp be reduced to the pig iron and solid slag, its high energy consumption, secondary pollution are big, and the pig iron typically contain evil it is miscellaneous
Matter is high, and the rate of recovery is relatively low, and has substantial amounts of waste residue to need to handle.
Second, add carbon to be thrown aside in reduction magnetization roasting together in reduction furnace, then magnetic separation after grinding, a large amount of waste residues isolated,
Its high energy consumption, secondary pollution is big, and the rate of recovery is relatively low, and has substantial amounts of waste residue to need to handle.
Third, suspending magnetization roasting, mineral aggregate with ball mill grinding into powder, with carbon or CO or H2Or NH3Or CH4Reduce
Agent, at certain temperature and reducing atmosphere condition, by the very weak iron ore of the magnetic such as bloodstone therein, limonite, siderite
Stone reduction magnetization becomes magnetic iron ore, and using iron ore after roasting and the huge magnetic contrast of gangue, iron ore is isolated in magnetic separation.But these
The iron-bearing mineral that direct-reduction is mingled with or even wrapped each other that suspends is allowed to magnetizing method, and the Iron grade obtained after its magnetic separation is low
（Mostly 50% or so）, iron recovery is low, and separation index is actually very undesirable, the reduction dosage of high energy consumption and required consumption
Greatly, more serious secondary pollution is caused, also substantial amounts of waste residue needs otherwise processed.To find out its cause, one is it is referred to as difficult
The iron-bearing mineral in iron ore or waste material is selected to be mingled with or even wrapped each other by Aluminosilicates gangue mineral, Aluminosilicates arteries and veins
Stone ore thing by before effectively decomposing calving, body of the iron-bearing mineral without freedom, and these suspending magnetization roasting methods, does not have
To be mingled with the preferential condition for providing effectively decomposition calving of Aluminosilicates gangue mineral for wrapping iron-bearing mineral each other, it is impossible to discharge
Go out free ferriferous oxide；The second is selected reducing agent carbon or CO or H2Or NH3Or CH4Reducing power it is on the weak side, it is impossible to have
The iron of isomorphous substitution, the iron in such as alumogoethite, chamosite in effect reduction lattice.
In summary, there is an urgent need to a kind of brand-new technique and equipment, the efficient recycling point so as to economy of large scale
From by the use of the huge high iron content of iron red mud and this kind of yield of iron ore waste material containing each key component in wet waste material as not
With enterprise's production raw material.
Utility model content
Technical problem to be solved in the utility model is to provide the equipment that a kind of high ferro waste residue activation separation utilizes.
Technical scheme is used by the utility model solves its technical problem：What a kind of high ferro waste residue activation separation utilized
Equipment, including drying type reducing mechanism, activation dore furnace, activation powder and alkali dust separating device, magnetization reforming unit and magnetic separation
Separator；
The drying type reducing mechanism includes material feeding device, drying type pulverizer, dust-precipitator and exhaust blower, described to be matched somebody with somebody
The discharger slip awaing tube of material device connects with the charging aperture of drying type pulverizer, and the powder outlet on the drying type pulverizer top passes through
The inlet communication of pipeline and dust-precipitator, the waste gas outlet of the dust-precipitator and the inlet communication of exhaust blower, the powder of the dust-precipitator
Dirt outlet is connected by conveyer with activating the material inlet of dore furnace；
The activation dore furnace includes suspension fluidization bed decomposing furnace, burner and hot air apparatus, and the burner is located at outstanding
The bottom of floating fluidised bed decomposition stove, with being connected in suspension fluidization bed decomposing furnace, the air outlet of the hot air apparatus by pipeline with
The hot wind inlet pipeline communication of suspension fluidization bed decomposing furnace；
The activation powder includes high temperature device for separating powder with alkali dust separating device, alkali dirt separates and collects device, alkali dirt
Waste-heat recovery device, high-temperature blower and alkali dirt storehouse, the charging aperture of the high temperature device for separating powder at the top of activation dore furnace with going out
The pipeline communication of mouth, the discharge pipe of the high temperature device for separating powder are provided with airlock, the high temperature powder separation dress
The discharge pipe put connects with magnetizing the charging aperture of reforming unit, the air outlet at the top of the high temperature device for separating powder and alkali dirt
The charging aperture connection of device is separated and collected, the discharge pipe that the alkali dirt separates and collects device is provided with airlock, the alkali
The discharge pipe that dirt separates and collects device connects with the charging aperture of alkali dirt waste-heat recovery device, the alkali dirt waste-heat recovery device
Discharge port connects with the charging aperture in alkali dirt storehouse, and the air inlet that the alkali dirt separates and collects device is provided with cold air adjusting valve, the alkali
The air outlet that dirt separates and collects device connects with high-temperature blower air inlet, air outlet and the drying type pulverizer of the high-temperature blower
Hot wind inlet connection；
The magnetization reforming unit includes magnetization reburner, reduction transforming agent atomization feeding device, air-introduced machine and magnetizable powder
Expect high temperature exhaust-heat recovery unit, the reduction transforming agent atomization feeding device is connected with magnetization reburner, the magnetization reburner
The exhaust outlet at top and the inlet communication of air-introduced machine, the outlet of the air-introduced machine pass through pipeline and the high-temperature region in activation dore furnace
Connection, the magnetization powder high temperature exhaust-heat recovery unit connect with magnetizing the discharging opening of reburner, more than the magnetization powder high temperature
The powder outlet of heat reclamation device and the powder inlet communication of magnetic separating device, the magnetic separating device respectively with smart iron ore
Storehouse, the apparatus for feeding connection in activation powder storehouse.
Further, powder concentrator is provided between the drying type pulverizer and dust-precipitator, the drying type pulverizer top
Powder outlet is by pipeline and the inlet communication of powder concentrator, the gas vent of the powder concentrator and the inlet communication of dust-precipitator, institute
The fine powder outlet for stating powder concentrator connect by conveyer with activating the material inlet of dore furnace, the coarse powder of the powder concentrator export and
Drying type disintegrating machine rises air channel connection.
Further, the burner is from oil and/or coal burner, for lighting a fire and adjusting suspension fluidization bed decomposing furnace
Interior temperature.
Further, the high temperature device for separating powder is the high temperature device for separating powder of two-stage series connection, including first order height
Warm device for separating powder and second level high temperature device for separating powder, the charging aperture of the first order high temperature device for separating powder and work
The pipeline for changing dore furnace top exit is connected, air outlet and the second level high temperature powder of the first order high temperature device for separating powder
The charging aperture connection of material separating device, air outlet and the high-temperature blower inlet communication of the second level high temperature device for separating powder,
Airlock is equipped with the discharge pipe of the first order high temperature device for separating powder and second level high temperature device for separating powder,
The discharge pipe of the first order high temperature device for separating powder and second level high temperature device for separating powder fills with magnetization conversion respectively
The charging aperture connection put.
Further, the alkali dirt separates and collects the alkali dirt that device is two-stage series connection and separates and collects device, including first order alkali
Dirt separates and collects device and second level alkali dirt separates and collects device, and the first order alkali dirt separates and collects the charging aperture and height of device
Warm device for separating powder air outlet is connected, and the first order alkali dirt separates and collects device top outlet inlet and second level alkali dirt point
Charging aperture from collection device connects, and the second level alkali dirt separates and collects the air outlet of device and high-temperature blower air inlet connects
Logical, the first order alkali dirt separates and collects device and second level alkali dirt separates and collects and lock wind dress is equipped with the discharge pipe of device
Put, the first order alkali dirt separates and collects device and second level alkali dirt separate and collect the discharge pipe of device respectively with alkali dirt waste heat
Recover charging aperture connects.
Further, the reduction transforming agent atomization feeding device includes reduction transforming agent tank, pump and atomization feeding device, institute
The outlet for stating reduction transforming agent tank connects with pump inlet, and the pump discharge connects through pipeline with atomization feeding device, the atomization
Feeding device is placed on magnetization reburner feed pipe and/or in magnetization reburner, it is ensured that reduction transforming agent and high-temperature activation
Powder is fixed than mixing.
Further, put in or beyond the built-in magnetization reburner of magnetization powder high temperature exhaust-heat recovery unit, converted with magnetization
Furnace discharge mouth connects；More than two-stage to connect, it is ensured that magnetization powder is quickly cooled to less than 100 DEG C.
Further, the hot-blast outlet of the alkali dirt waste-heat recovery device, the hot-blast outlet of magnetization powder waste-heat recovery device
Connected respectively with activating the hot air apparatus air inlet of dore furnace, the air outlet of hot air apparatus and the hot blast of suspension fluidization bed decomposing furnace
Inlet communication, for reclaiming hot blast heat energy of the waste heat of high temperature powder as activation dore furnace.
Further, when the volatile metal elements amount such as alkali content and zinc content is no or very low in high ferro waste residue, do not set
Put alkali dirt and separate and collect device, alkali dirt waste-heat recovery device and alkali dirt storehouse, final stage high temperature powder separates and collects the air outlet of device
It is connected by connecting pipe with high-temperature blower, cold air adjusting valve is set on connecting pipe.
Technical principle of the present utility model：
Main mineral constituent for high ferro waste residue is iron-bearing mineral and graded aluminosilicates, iron red mud it is main into
It is iron-bearing mineral, graded aluminosilicates and alkali to divide, and sets alkali nature concentration and separation, magnetic iron ore, activation Aluminosilicates ore deposit
The separating technology equipment of the class useful raw materials of thing powder three；For high ferro waste residue because institute's iron-bearing mineral be graded aluminosilicates each other
Be mingled with wrap, even substantial amounts of isomorphous substitution, this be refractory iron ore waste material concrete condition, lived with reference to graded aluminosilicates
Change the target utilized, mixed powder is made in high ferro waste material and fuel jointly, in efficiently fast decoupled calving is in activation dore furnace
Free activating oxide, while aluminosilicate mineral etc. is converted into activation powder, free iron oxygen mineral are discharged,
Condition is createed for the Efficiente magnetizing conversion of iron-bearing mineral；For aluminosilicate mineral thermal decomposition calving be various oxides when,
When more than 650 DEG C especially more than 700 DEG C, alkali oxide therein and possible zinc can volatilize and primarily enter high-temperature flue gas
In, and implement activation powder with being enriched with the separation of alkali dirt etc..
Using efficient reduction transforming agent, the formation of strong permanent magnet ore deposit and recrystallization crystalline form are reformed, and make it easy to magnetic separation
Separation, obtain high grade iron concentrate and high-recovery.
The beneficial effects of the utility model：
The utility model for high ferro waste residue especially iron red mud good water-retaining property, be difficult to dry the characteristics of, using drying
Formula crushing system powder, efficiency high, treating capacity are big, and energy consumption is low.
The utility model with activate the high-temp waste gas waste heat of dore furnace solve drying type crushing system needed for hot blast heat energy,
Solves the required temperature of magnetization conversion and heat energy to activate the high-temperature residual heat that powder is activated caused by dore furnace, with alkali dirt and activation
Waste heat recovery in powder cooling procedure solves the hot blast heat energy needed for burning in activation dore furnace, and strong reduction magnetization is transformed
Whole waste gas caused by journey are sent into high-temperature oxydation after-flame in activation dore furnace, have both realized the circulation profit of full process system heat energy
With the thermal efficiency is high, and actual heat consumption is low, in turn ensures that safety non-pollution.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1；
Fig. 2 is the structural representation of the utility model embodiment 2；
In figure：1- drying type reducing mechanisms, 2- activation dore furnaces, 3- activation powders and alkali dust separating device, 4- magnetization turn
Makeup is put, 5- magnetic separating devices, 11- material feeding devices, 12- drying type pulverizers, 13- powder concentrators, 14- dust-precipitators, 15- rows
Blower fan, 21- suspension fluidization bed decomposing furnaces, 22- burners, 23- hot air apparatus, 31- high temperature device for separating powder, the 31a- first order
High temperature device for separating powder, 31b- second level high temperature device for separating powder, 32- alkali dirt separate and collect device, 33- high-temperature blowers,
34- alkali dirt waste-heat recovery devices, 35- alkali dirt storehouse, 36- cold air adjusting valves, 41- magnetization reburners, 42- reduction transforming agent atomizations add
Expect device, 43- air-introduced machines, 44- magnetization powder high temperature exhaust-heat recovery units.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1
Reference picture 1, the present embodiment include drying type reducing mechanism 1, activation dore furnace 2, activation powder and separate dress with alkali dirt
Put 3, magnetization reforming unit 4 and magnetic separating device 5；
The drying type reducing mechanism 1 includes material feeding device 11, drying type pulverizer 12, powder concentrator 13, dust-precipitator 14
With exhaust blower 15, the discharger slip awaing tube of the material feeding device 11 connects with the charging aperture of drying type pulverizer 12, the drying type
The powder outlet on the top of pulverizer 12 passes through pipeline and the inlet communication of powder concentrator 13, the gas vent and receipts of the powder concentrator 13
The inlet communication of dirt device 14, the waste gas outlet of the dust-precipitator 14 and the inlet communication of exhaust blower 15, the powder concentrator 13 it is thin
Powder exports to be connected with the dust outlet of dust-precipitator 14 by conveyer with activating the material inlet of dore furnace 2, the powder concentrator 13
Coarse powder outlet with drying type disintegrating machine 12 rising air channel connect；
The activation dore furnace 2 includes suspension fluidization bed decomposing furnace 21, burner 22 and hot air apparatus 23, the burner
22 are located at the bottom of suspension fluidization bed decomposing furnace 21, and with being connected in suspension fluidization bed decomposing furnace 21, the hot air apparatus 23 goes out
Air port passes through pipeline and the hot wind inlet pipeline communication of suspension fluidization bed decomposing furnace 21；
The activation powder includes high temperature device for separating powder 31 with alkali dust separating device 3, alkali dirt separates and collects device 32,
High-temperature blower 33, alkali dirt waste-heat recovery device 34 and alkali dirt storehouse 35, the air inlet of the high temperature device for separating powder 31 and activation
The pipeline communication of the top exit of dore furnace 2, the discharge pipe of the high temperature device for separating powder 31 is provided with airlock, described
The discharge pipe of high temperature device for separating powder 31 connects with magnetizing the charging aperture of reforming unit 4, the high temperature device for separating powder
The charging aperture that the air outlet at 31 tops separates and collects device 32 with alkali dirt connects, and the alkali dirt separates and collects the discharge duct of device 32
Road is provided with airlock, and the alkali dirt separates and collects the discharge pipe of device 32 and the charging aperture of alkali dirt waste-heat recovery device 34
Connection, the discharge port of the alkali dirt waste-heat recovery device 34 connect with the charging aperture in alkali dirt storehouse 35, and the alkali dirt separates and collects dress
The air inlet for putting 32 is provided with cold air adjusting valve, and the alkali dirt separates and collects the air outlet of device 32 and the air inlet of high-temperature blower 33 connects
Logical, the air outlet of the high-temperature blower 33 connects with the hot wind inlet of drying type pulverizer 12；
The magnetization reforming unit 4 includes magnetization reburner 41, reduction transforming agent atomization feeding device 42, the and of air-introduced machine 43
Magnetize powder high temperature exhaust-heat recovery unit 44, the reduction transforming agent atomization feeding device 42 is connected with magnetization reburner 41, institute
The inlet communication of the exhaust outlet and air-introduced machine 43 at the top of magnetization reburner 41 is stated, the outlet of the air-introduced machine 43 passes through pipeline and work
Change the high-temperature region connection in dore furnace 2, the magnetization powder high temperature exhaust-heat recovery unit 44 is built in magnetization reburner 41 bottom,
Connected with the discharging opening for magnetizing reburner 41, the powder outlet of the magnetization powder high temperature exhaust-heat recovery unit 44 separates with magnetic separation
The powder inlet communication of device 5, apparatus for feeding of the magnetic separating device 5 respectively with smart iron ore storehouse, activation powder storehouse connect.
In the present embodiment, the reduction transforming agent atomization feeding device 42 includes reduction transforming agent tank, pump and atomization charging
Device, the outlet of the reduction transforming agent tank connect with pump inlet, and the pump discharge connects through pipeline with atomization feeding device, institute
Atomization feeding device is stated to be placed on the magnetization feed pipe of reburner 41 and/or in magnetization reburner 41.
In the present embodiment, the high temperature device for separating powder 31 is one-level high temperature device for separating powder.
In the present embodiment, the alkali dirt separates and collects device 32 and separates and collects device for one-level alkali dirt.Or two certainly,
The alkali dirt of level series connection separates and collects device, including first order alkali dirt separates and collects device and second level alkali dirt separates and collects device,
The charging aperture that the first order alkali dirt separates and collects device is connected with high temperature device for separating powder air outlet, the first order alkali
Dirt, which separates and collects device top outlet inlet the charging aperture of device is separated and collected with second level alkali dirt, to be connected, the second level alkali dirt point
Air outlet from collection device connects with high-temperature blower air inlet, and the first order alkali dirt separates and collects device and second level alkali dirt
Separate and collect and airlock is equipped with the discharge pipe of device, the first order alkali dirt separates and collects device and second level alkali dirt
The discharge pipe for separating and collecting device connects with alkali dirt waste-heat recoverer charging aperture respectively.
In the present embodiment, hot-blast outlet, the magnetization powder high temperature exhaust-heat recovery unit of the alkali dirt waste-heat recovery device 34
44 hot-blast outlet connects with activating the air inlet of hot air apparatus 23 of dore furnace 2 respectively.
Embodiment 2
Reference picture 2, the present embodiment and the difference of embodiment 1 are：The activation powder eliminates with alkali dust separating device 3
Alkali dirt separates and collects device 32, alkali dirt waste-heat recovery device 34 and alkali dirt storehouse 35, and the high temperature device for separating powder 31 is two-stage
The high temperature device for separating powder of series connection, including first order high temperature device for separating powder 31a and second level high temperature device for separating powder
31b, the first order high temperature device for separating powder 31a charging aperture are connected with activating the pipeline of the top exit of dore furnace 2, institute
The air outlet for stating first order high temperature device for separating powder 31a connects with second level high temperature device for separating powder 31b charging aperture, institute
State second level high temperature device for separating powder 31b air outlet and the inlet communication of high-temperature blower 33, the first order high temperature powder point
From being equipped with airlock, the first order high temperature on device 31a and the second level high temperature device for separating powder 31b discharge pipe
The charging with magnetization reforming unit 4 respectively of device for separating powder 31a and the second level high temperature device for separating powder 31b discharge pipe
Mouth connection.
In the present embodiment, the air outlet of the second level high temperature device for separating powder 31b passes through connecting pipe and high warm air
Machine 33 is connected, and cold air adjusting valve 36 is set on connecting pipe.
Claims (9)
- A kind of 1. equipment that high ferro waste residue activation separation utilizes, it is characterised in that：Decomposed including drying type reducing mechanism, activation Stove, activation powder and alkali dust separating device, magnetization reforming unit and magnetic separating device；The drying type reducing mechanism includes material feeding device, drying type pulverizer, dust-precipitator and exhaust blower, described to be filled to dispensing The discharger slip awaing tube put connects with the charging aperture of drying type pulverizer, and the powder outlet on the drying type pulverizer top passes through pipeline With the inlet communication of dust-precipitator, the waste gas outlet of the dust-precipitator and the inlet communication of exhaust blower, the dust of the dust-precipitator go out Mouth is connected by conveyer with activating the material inlet of dore furnace；The activation dore furnace includes suspension fluidization bed decomposing furnace, burner and hot air apparatus, and the burner is located at suspension flow Change the bottom of bed decomposing furnace, with being connected in suspension fluidization bed decomposing furnace, the air outlet of the hot air apparatus passes through pipeline and suspension The hot wind inlet pipeline communication of fluidised bed decomposition stove；The activation powder includes high temperature device for separating powder with alkali dust separating device, alkali dirt separates and collects device, alkali dirt waste heat Retracting device, high-temperature blower and alkali dirt storehouse, charging aperture and the activation dore furnace top exit of the high temperature device for separating powder Pipeline communication, the discharge pipe of the high temperature device for separating powder are provided with airlock, the high temperature device for separating powder Discharge pipe connects with magnetizing the charging aperture of reforming unit, and the air outlet at the top of the high temperature device for separating powder separates with alkali dirt The charging aperture connection of collection device, the discharge pipe that the alkali dirt separates and collects device are provided with airlock, the alkali dirt point Discharge pipe from collection device connects with the charging aperture of alkali dirt waste-heat recovery device, the discharging of the alkali dirt waste-heat recovery device Mouth connects with the charging aperture in alkali dirt storehouse, and the air inlet that the alkali dirt separates and collects device is provided with cold air adjusting valve, the alkali dirt point Air outlet from collection device connects with high-temperature blower air inlet, the air outlet of the high-temperature blower and the heat of drying type pulverizer Wind inlet connects；It is high that the magnetization reforming unit includes magnetization reburner, reduction transforming agent atomization feeding device, air-introduced machine and magnetization powder Warm waste-heat recovery device, the reduction transforming agent atomization feeding device are connected with magnetization reburner, at the top of the magnetization reburner Exhaust outlet and air-introduced machine inlet communication, the air-introduced machine outlet by pipeline with activate dore furnace in high-temperature region connect Logical, the magnetization powder high temperature exhaust-heat recovery unit connects with magnetizing the discharging opening of reburner, the magnetization powder high-temperature residual heat The powder outlet of retracting device and the powder inlet communication of magnetic separating device, the magnetic separating device respectively with smart iron ore Storehouse, the apparatus for feeding connection in activation powder storehouse.
- 2. the equipment that high ferro waste residue activation separation according to claim 1 utilizes, it is characterised in that：The drying type crushes It is provided with powder concentrator between machine and dust-precipitator, the import that the powder outlet on the drying type pulverizer top passes through pipeline and powder concentrator Connection, the gas vent of the powder concentrator and the inlet communication of dust-precipitator, the fine powder outlet of the powder concentrator by conveyer with The material inlet connection of dore furnace is activated, coarse powder outlet and the drying type disintegrating machine of the powder concentrator rise air channel and connected.
- 3. the equipment that high ferro waste residue activation separation according to claim 1 or 2 utilizes, it is characterised in that：The burner From oil and/or coal burner, for lighting a fire and adjusting the temperature in suspension fluidization bed decomposing furnace.
- 4. the equipment that high ferro waste residue activation separation according to claim 1 or 2 utilizes, it is characterised in that：The high temperature powder Material separating device is the high temperature device for separating powder of two-stage series connection, including first order high temperature device for separating powder and second level high temperature Device for separating powder, the charging aperture of the first order high temperature device for separating powder are connected with activating the pipeline of dore furnace top exit Logical, the air outlet of the first order high temperature device for separating powder connects with the charging aperture of second level high temperature device for separating powder, institute State the air outlet and high-temperature blower inlet communication of second level high temperature device for separating powder, the first order high temperature device for separating powder With airlock, the first order high temperature device for separating powder are equipped with the discharge pipe of second level high temperature device for separating powder Connected respectively with magnetizing the charging aperture of reforming unit with the discharge pipe of second level high temperature device for separating powder.
- 5. the equipment that high ferro waste residue activation separation according to claim 1 or 2 utilizes, it is characterised in that：The alkali dirt point Device is separated and collected for the alkali dirt of two-stage series connection from collection device, including first order alkali dirt separates and collects device and second level alkali dirt Device is separated and collected, the charging aperture that the first order alkali dirt separates and collects device is connected with high temperature device for separating powder air outlet Logical, the first order alkali dirt, which separates and collects device top outlet inlet the charging aperture of device is separated and collected with second level alkali dirt, to be connected, The air outlet that the second level alkali dirt separates and collects device connects with high-temperature blower air inlet, and the first order alkali dirt separates and collects Device and second level alkali dirt separate and collect and airlock are equipped with the discharge pipe of device, and the first order alkali dirt separates and collects The discharge pipe that device and second level alkali dirt separate and collect device connects with alkali dirt waste-heat recoverer charging aperture respectively.
- 6. the equipment that high ferro waste residue activation separation according to claim 1 or 2 utilizes is characterized in that：The reduction conversion Agent atomization feeding device includes reduction transforming agent tank, pump and atomization feeding device, and the outlet of the reduction transforming agent tank is entered with pump Mouth connection, the pump discharge connect through pipeline with atomization feeding device, and the atomization feeding device is placed in magnetization reburner and entered On pipe material and/or in magnetization reburner.
- 7. the equipment that high ferro waste residue activation separation according to claim 1 or 2 utilizes, it is characterised in that：The magnetizable powder Put in or beyond the built-in magnetization reburner of material high temperature exhaust-heat recovery unit, connected with magnetization reburner discharging opening；More than two-stage to go here and there Connection, it is ensured that magnetization powder is quickly cooled to less than 100 DEG C.
- 8. the equipment that high ferro waste residue activation separation according to claim 1 or 2 utilizes, it is characterised in that：More than the alkali dirt The hot-blast outlet of heat reclamation device, magnetize the hot-blast outlet of powder waste-heat recovery device respectively with activating the hot air apparatus of dore furnace Air inlet connects, and the air outlet of hot air apparatus connects with the hot wind inlet of suspension fluidization bed decomposing furnace, for reclaiming high temperature powder Waste heat as activation dore furnace hot blast heat energy.
- 9. the equipment that high ferro waste residue activation separation according to claim 1 or 2 utilizes, it is characterised in that：When high ferro waste residue When middle alkali and Zn-ef ficiency amount content is no or very low, it is not provided with alkali dirt and separates and collects device, alkali dirt waste-heat recovery device and alkali dirt Storehouse, the air outlet that final stage high temperature powder separates and collects device are connected with high-temperature blower by connecting pipe, set on connecting pipe Cold air adjusting valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720864549.4U CN206940966U (en) | 2017-07-17 | 2017-07-17 | The equipment that a kind of high ferro waste residue activation separation utilizes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720864549.4U CN206940966U (en) | 2017-07-17 | 2017-07-17 | The equipment that a kind of high ferro waste residue activation separation utilizes |
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| CN206940966U true CN206940966U (en) | 2018-01-30 |
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| CN201720864549.4U Withdrawn - After Issue CN206940966U (en) | 2017-07-17 | 2017-07-17 | The equipment that a kind of high ferro waste residue activation separation utilizes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217134A (en) * | 2017-07-17 | 2017-09-29 | 长沙紫宸科技开发有限公司 | The equipment that the activation separation of high ferro waste residue is utilized |
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2017
- 2017-07-17 CN CN201720864549.4U patent/CN206940966U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217134A (en) * | 2017-07-17 | 2017-09-29 | 长沙紫宸科技开发有限公司 | The equipment that the activation separation of high ferro waste residue is utilized |
| CN107217134B (en) * | 2017-07-17 | 2018-09-11 | 长沙紫宸科技开发有限公司 | The equipment that the activation separation of high ferro waste residue utilizes |
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