CN101792835B - Feeding system for blast furnace ore and coke channel system - Google Patents
Feeding system for blast furnace ore and coke channel system Download PDFInfo
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- CN101792835B CN101792835B CN2010101015612A CN201010101561A CN101792835B CN 101792835 B CN101792835 B CN 101792835B CN 2010101015612 A CN2010101015612 A CN 2010101015612A CN 201010101561 A CN201010101561 A CN 201010101561A CN 101792835 B CN101792835 B CN 101792835B
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Abstract
The invention relates to a feeding system for a blast furnace ore and coke channel system, belonging to the technical field of the iron making and producing in the metallurgy industry. The feeding system comprises a blast furnace ore and coke channel system and a feeding system; the blast furnace ore and coke channel system comprises a blast furnace ore and coke channel and equipment arranged on the blast furnace ore and coke channel; the feeding system comprises equipment arranged below the blast furnace ore and coke channel and loading equipment; the equipment arranged on the blast furnace ore and coke channel comprises auxiliary equipment and belt conveyor with a storehouse, wherein the auxiliary equipment and the belt conveyor with a storehouse are arranged on the top surface of the blast furnace ore and coke channel, and the belt conveyor with a storehouse is connected with the top surface of the blast furnace ore and coke channel; each equipment arranged below the blast furnace ore and coke channel comprises a feeding port gate, a feeder, a vibrating screen, a weighing can and an unloading gate; the feeding port gate corresponds to the hopper of the blast furnace ore and coke channel and the outlet thereof one by one; the number of the equipment arranged below the blast furnace ore and coke channel, the number of the hoppers of the blast furnace ore and coke channel and the number of the outlets of the hoppers of the blast furnace ore and coke channel are equal and are 2 or 3 or 4 along the width direction; and the equipment arranged below the blast furnace ore and coke channel corresponds to the hoppers blow the body of the blast furnace ore and coke channel and the outlets of the hoppers along the length direction. The feeding system can serve 3 or 4 blast furnaces and can be used in various forms.
Description
Technical field
The invention belongs to metallurgy industry, the production technical field of non-blast furnace ironmaking such as blast furnace ironmaking and melting and reducing.A kind of Blast Furnace Ore, burnt groove feeder system particularly are provided, can have served two or (3-4 seat) blast furnace, be not only applicable to blast furnace ironmaking, also be applicable to non-blast furnace ironmaking other technologies fields such as (as: melting and reducings).
Background technology
Blast Furnace Ore, burnt groove feeder system are made up of two parts: i.e. ore deposit, burnt tank systems (comprising: equipment He Kuang, burnt groove on the groove), feed device (comprising: equipment and charging equipment under the groove).
1, ore deposit, burnt tank systems.Ore deposit, burnt groove are the containers that is used for storing required former, the fuel of blast furnace, and the main effect of ore deposit, burnt groove is the requirement of satisfying blast furnace production, batching and adjusting.Modern blast furnace every former, the fuel of continuous to-be round the clock reach thousands of tons of even tens thousand of ton.The needed raw material of blast furnace comprises: agglomerate, lump ore, pellet, Wingdale, manganese ore, schreyerite, fluorite etc., and agglomerate is by the sintering plant supply, and all the other are by the stock yard supply; The required fuel of blast furnace mainly is coke, is supplied by the coke-oven plant.Owing to generally adopted cold sinter at present, eliminated heat sinter, therefore, needed former, the fuel of blast furnace all adopts the endless belt conveyor transportation, whole operations of being finished its transportation, stored in being dumped into ore deposit, burnt groove by the mechanization transportation system.The mechanization transportation system belongs to the mechanization transportation Specialty Design, and its principle of design is: reduce transhipment number of times, drop number and drop as far as possible, thereby reduce the crushing in the transportation.
(1) equipment is blast furnace ironmaking specialty and the equipment that is connected of mechanization transportation specialty (a last procedure) on the groove, and it is that a plurality of cell bodies of ore deposit, burnt groove are feeded.Equipment comprises Distribution Warehouse endless belt conveyor and the auxiliary facility (as: maintenance electric hoist, scavenging duct etc.) that is arranged on Blast Furnace Ore, the burnt groove end face on the groove.The Distribution Warehouse endless belt conveyor is installed on ore deposit, the burnt groove end face, Yan Kuang, burnt slot length direction operation and be furnished with delivery device and (generally adopt mobile dummy car at present, can also adopt fixedly dummy car, belt plow etc.), operate and control at mechanization transportation specialty master control room, various former, fuel blast furnace is required by master control room time variable control requirement are respectively charged in corresponding ore deposit, the burnt groove.The quantity of the Distribution Warehouse endless belt conveyor on ore deposit, the burnt groove end face, specification, capacity of equipment etc. all should be according to factors such as traffic capacity and former, supply of fuel conditions with total figure specialties with the mechanization transportation specialty is common determines.
(2) ore deposit, burnt groove are that storage agglomerate, lump ore, pellet, Wingdale, manganese ore, schreyerite, fluorite and coke etc. are former, the container of fuel, ore deposit, burnt groove are made up of a plurality of cell bodies that become row to arrange successively, all be connected as a single entity below each cell body with hopper, hopper is according to the design of the flowing property of solid materials, should be beneficial to that matched draws off material under Flow of Goods and Materials and the groove from cell body.The storage time of total useful volume of ore deposit, burnt groove is depended on what, level of management and required level of service of raw material variety, mainly is to consider can guarantee when the maintenance of equipment on the endless belt conveyor of " a last procedure " and the groove and blast furnace production are fluctuateed that blast furnace normally feeds.The quantity of ore deposit, burnt groove will according to material kind, storage time and clear groove, ore deposit groove or burnt groove switch and groove under composite factor such as overhaul of the equipments determine, and should meet the requirement that single groove volume is big, quantity is few.Regulation according to existing national standard " blast furnace iron-making process design specifications ", the various storage times former, fuel should be satisfied design specifications and required and depend on former, fuel production and supply situation in the ore deposit, burnt groove, wherein the storage time of agglomerate is 10-14h, other raw materials are no less than 12h, and the storage time of coke is 8-12h.
2, feed device
(1) equipment is made up of a set of equipment such as opening for feed gate, feeding machine, vibratory screening apparatus, hopper and discharging devices under the groove, each integral part is slightly variant according to the practical situation of each factory, such as: opening for feed gate have manual, hydraulic is arranged, air operated is arranged, the band flow regulating function is arranged; Feeding machine has conventional, that speed governing is arranged, (minority factory) that cancel in addition; Vibratory screening apparatus has bar screen, probability screen, Environmentally friendly screen, metallurgical special-purpose sieve etc. too numerous to mention; The specification of hopper, shape, liner are not restricted to one pattern especially.But after all under the groove main purpose of equipment be exactly reduce coke powder and breeze go into the stove amount, improve ventilation property in the stove, go into stove agglomerate and coke and must sieve going into the stokehold, qualified agglomerate and coke after the screening are respectively charged into hopper.According to the raw material supply condition, other raw material ratio as: pelletizing, lump ore, manganese ore etc. also can sieve under groove.
(2) charging equipment
Charging equipment can be divided into by material loading form difference: truck material loading and endless belt conveyor charging equipment.Present most of blast furnace adopts the endless belt conveyor charging equipment, and the endless belt conveyor charging equipment is made up of (or many) endless belt conveyor, and the endless belt conveyor that wherein leads to the blast furnace furnace roof is called as main conveyor drive, and all the other all are called feed conveyor drive under the groove.When the endless belt conveyor charging equipment has only a strip-type transfer roller, this endless belt conveyor is material loading master conveyor drive, ore deposit, burnt groove are single-row layout, and material loading master conveyor drive is accepting to go into that stove is former, fuel directly transports the blast furnace furnace roof to after equipment screening and weighing under the groove under ore deposit, the burnt groove groove; When the endless belt conveyor charging equipment has multi-ribbon formula transfer roller, in main conveyor drive transport process, whether establish ore and coke by feed conveyor drive under the groove and concentrate hopper to be divided into: establish ore and coke and concentrate hopper, promptly establish relay station; Do not establish ore and coke and concentrate hopper, promptly do not establish relay station (establishing transfer point) dual mode.The feed conveyor drive is accepting to go into former, the fuel of stove after equipment screening and weighing under the groove under the groove under ore deposit, the burnt groove groove, and discharging transports the blast furnace furnace roof to by material loading master conveyor drive again to material loading master conveyor drive material feeding section deflector chute after transfer point or relay station transhipment.
Blast Furnace Ore, burnt groove feeder system have various ways, by the arrangement mode of ore deposit, burnt groove can be divided into the ore deposit, burnt groove is single-row or biserial is arranged; Whether establishing ore and coke by feed conveyor drive under the groove in main conveyor drive transport process concentrates hopper to be divided into: establish relay station and do not establish relay station; The weighing mode that is pressed into the stove crude fuel can be divided into to be concentrated weighing and disperses weighing.But which kind of mode no matter, what generally adopt at present is " one to one " form, promptly every blast furnace is all established the feed device of an ore deposit, burnt tank systems.
The typical arrangement mode of feed device of present ore deposit, burnt tank systems:
One class is: be representative with the Baosteel.Ore deposit, burnt groove are biserial and arrange, establish ore and the concentrated hopper of coke, promptly establish relay station.Charging equipment is made up of 4 strip-type transfer rollers, i.e. feed conveyor drive (the ore deposit groove is divided into 2, establishes 1 at burnt groove) and 1 material loading master conveyor drive under 3 grooves.The characteristics of this processing set-up are that ore deposit, burnt groove apical side height are lower, and feed endless belt conveyor ability can reduce under the groove, thereby reduces investment outlay; But at relay station transport process material fragmentation is once more arranged, overall in addition floor space is also bigger.
Second class is: be representative with the Shoudu Iron and Steel Co.Ore deposit, burnt groove are single-row layout, do not establish ore and the concentrated hopper of coke, promptly do not establish relay station.The charging equipment charging equipment is made up of 1-2 strip-type transfer roller, i.e. feed conveyor drive and 1 material loading master conveyor drive or have only 1 main conveyor drive under 1 groove.The characteristics of this arrangement form are to take up an area of to lack, and flow process is short, does not establish relay station and has reduced transhipment number of times, drop number and drop, thereby reduce crushing once more.
Other various arrangement forms can be summed up as on above-mentioned two big class bases, are derived with improved according to different working conditions.
The structural inconsistency and the production distribution that exist in the face of China's Iron industry are unreasonable, and resource, the energy, supply, transportation, environmental ecology pressure constantly increase, for implementing the Scientific Outlook on Development and the steel industry development policies, newly-built blast furnace must be promoted energy conservation and fully utilize, and must meet the theory that " minimizing " produces.Serve two (or many) Blast Furnace Ore, burnt groove feeder system and not only can reduce occupation of land, the more important thing is and to reduce resource and energy consumption from the source by shortened process, help centralized management, optimize and distribute to reduce construction investment.Concentrated construction also helps the enforcement of resource reutilization, recirculation measure and saves energy and reduce the cost.
Summary of the invention
The object of the present invention is to provide a kind of Blast Furnace Ore, burnt groove feeder system, can serve two or (3-4 seat) blast furnace; Be applicable to various ways: ore deposit, burnt groove are single-row and biserial is arranged, establish relay station and do not establish relay station, concentrate weighing and disperse weighing, are applicable to that also it derives and improved other kinds arrangement form.Be not only applicable to blast furnace ironmaking, be applicable to non-blast furnace ironmaking other technologies fields such as (as: melting and reducings) yet.
The present invention includes ore deposit, burnt tank systems, feed device.Ore deposit, burnt tank systems comprise: equipment He Kuang, burnt groove on the groove, and feed device comprises: equipment and charging equipment under the groove; Serve two or 3-4 seat blast furnace; Be applicable to non-relay station, relay station arranged, the material-uploading style of truck material loading, endless belt conveyor material loading or different iron-smelting process flow process;
Equipment to Blast Furnace Ore, burnt groove groove, and is respectively charged into needed former, the fuel transport of two or 3-4 seat blast furnace in ore deposit, the corresponding cell body of burnt groove on the groove;
From the ore deposit, burnt groove end face overlooks, forming the direction that ore deposit, the cell body of burnt groove be arranged in order is length direction, perpendicular direction is a width;
Ore deposit, burnt groove are single-row or biserial is arranged, are made up of the cell body that becomes row to arrange successively, all link to each other with hopper below each cell body; Broad ways, all link to each other below each cell body with two or 3-4 hopper, each hopper is established discharge port, the number of hopper and discharge port thereof is two or 3-4, along its length, ore deposit, burnt groove are made up of the cell body that becomes row to arrange successively, and the also corresponding one-tenth successively of hopper and discharge port thereof row are arranged and have been divided into two series or 3-4 series;
Equipment comprises under the groove: a set of equipment such as opening for feed gate, feeding machine, vibratory screening apparatus, hopper and discharging device; The opening for feed of equipment is corresponding one by one with the hopper and the discharge port thereof of ore deposit, burnt groove under the groove, on the broad ways, number of devices is identical with the hopper and the discharge port quantity thereof of ore deposit, burnt groove under the groove, it is two or 3-4, go up along its length, hopper and the discharge port thereof of equipment below cell body is corresponding under the groove, has been divided into two series or 3-4 series, each series of services is in a blast furnace, and two series or 3-4 series of services are in two or 3-4 seat blast furnace;
Different iron-smelting process flow process of the present invention comprises blast furnace ironmaking and melting and reducing non-blast furnace ironmaking technical process.Any this patent mentality of designing that do not break away from does to this patent that unsubstantiality changes, and all belongs to protection of the present invention.
The hopper of ore deposit, burnt groove and discharge port thereof respectively with groove under the opening for feed of equipment be connected correspondingly, mode of connection is; Flange bolt connects or welding.
It is of the present invention that details are as follows:
The present invention includes two parts forms: i.e. ore deposit, burnt tank systems (comprising: equipment He Kuang, burnt groove on the groove), feed device (comprising: equipment and charging equipment under the groove).By logistics order (from supplied materials until the blast furnace furnace roof of packing into) each several part is described in detail in detail and annexation as follows:
Define the direction of ore deposit, burnt groove for convenience of description: from the ore deposit, burnt groove end face overlooks, form direction that the cell body of ore deposit, burnt groove is arranged in order and be length direction (for example: the directions X in the accompanying drawing 2), perpendicular direction be width (for example: the Y direction in the accompanying drawing 2).
1, equipment on the groove
(1) equipment is blast furnace ironmaking specialty and the equipment that is connected of mechanization transportation specialty (a last procedure) on the groove.Equipment comprises Distribution Warehouse endless belt conveyor and the auxiliary facility (as: maintenance electric hoist, scavenging duct etc.) that is arranged on Blast Furnace Ore, the burnt groove end face on the groove.Operate and control at mechanization transportation specialty master control room, two required various former, fuel of (or 3-4 seat) blast furnace are respectively charged in ore deposit, the corresponding a plurality of cell bodies of burnt groove by master control room time variable control requirement.
(2) annexation of equipment and ore deposit, burnt groove on the groove: the Distribution Warehouse endless belt conveyor is installed on the end face of ore deposit, burnt groove, and the supporting leg of Distribution Warehouse endless belt conveyor arranges along its length and be connected with ore deposit, burnt groove end face that mode of connection is modes such as bolt connection, welding.
2, ore deposit, burnt groove
(1) ore deposit, burnt groove are exactly that storage agglomerate, lump ore, pellet, Wingdale, manganese ore, schreyerite, fluorite and coke etc. are former, the container of fuel, and ore deposit, burnt groove are single-row or biserial is arranged.Form by the cell body that becomes row to arrange successively, all link to each other below each cell body with hopper.The design of hopper is crucial.All link to each other with two (or 3-4) hoppers below the broad ways, each cell body, each hopper is established discharge port, and the number of hopper and discharge port thereof is two (or 3-4), and is identical with the blast furnace number of being served; Along its length, ore deposit, burnt groove are made up of the cell body that becomes row to arrange successively, and therefore, the also corresponding one-tenth successively of hopper and discharge port thereof row are arranged and have been divided into two series (or 3-4 series).For example: serve two Blast Furnace Ore, burnt tank systems, broad ways, each cell body all links to each other with two hoppers, and each hopper is established discharge port, and the number of hopper and discharge port thereof is two, and is identical with two of the blast furnace numbers of being served; Along its length, hopper below the cell body and discharge port thereof are also corresponding becomes the row layout to be divided into two row successively.
(2) hopper of ore deposit, burnt groove and discharge port thereof are connected with the opening for feed of equipment under the groove respectively, and hopper and discharge port thereof match and material can be drawn off from cell body with equipment under the groove.Mode of connection is; Flange bolt connection, welding etc., its mode of connection is not a limiting element of the present invention.
3, equipment under the groove
(1) equipment comprises under the groove: a set of equipment such as opening for feed gate, feeding machine, vibratory screening apparatus, hopper and discharging device.Its composition is not a limiting element of the present invention.The opening for feed of equipment is corresponding one by one under the hopper of ore deposit, burnt groove and discharge port thereof and the groove, on the broad ways, under the groove quantity of equipment and ore deposit, burnt groove hopper and discharge port quantity thereof identical, the quantity that is equipment under the broad ways groove is two covers (or 3-4 covers), and is identical with two of the blast furnace numbers of being served (or 3-4 seat); Go up along its length hopper and discharge port corresponding also be divided into two series (or 3-4 series) thereof of equipment below cell body under the groove.Each series of services is in a blast furnace, and two series (or 3-4 series) can be served two (or 3-4 seat) blast furnaces.
(2) annexation of equipment and charging equipment under the groove: discharging device is the discharge port of equipment under the groove, discharging device is by operation of blast furnace master control room and control, open or close by the shaft furnace charging program, discharging in the material feeding section deflector chute of feed conveyor drive is closed after discharging finishes under the groove after discharging device is opened in charging equipment.The form of the mode of connection of the material feeding section deflector chute of feed conveyor drive and discharging device is relevant under discharging device and the groove, discharging device can adopt welding process to connect when being the built-in blowing gate of flashboard, adopt the gap mode of connection when discharging device is external blowing gate of flashboard or feeding machine, the junction, gap is established tightness system and is beneficial to environmental protection;
4, charging equipment
Corresponding two covers (or 3-4 cover) of establishing of charging equipment with equipment under the groove.Two covers (or 3-4 cover) charging equipment corresponds respectively to two (or 3-4 seat) blast furnaces.Every cover material loading equipment is a blast furnace service.
No matter be the truck material loading and or the endless belt conveyor material-uploading style; No matter ore deposit, burnt groove are single-row still biserial and arrange; No matter establish relay station or do not establish relay station.Which kind of mode no matter, under the groove of the corresponding series of every cover material loading equipment equipment and accept the discharging of the discharging device of equipment under this series of grooves after, all can directly transport former, the fuel of being accepted to blast furnace, every cover material loading equipment is a blast furnace service, charging equipment corresponds respectively to two (or 3-4 seat) blast furnaces to two covers (or 3-4 cover), so this patent all can be implemented.
Core technology main points of the present invention are: this Blast Furnace Ore, burnt groove feeder system can be served two (or 3-4 seat) blast furnaces.
1, needed former, the fuel of two (or 3-4 seat) blast furnaces is transported on Blast Furnace Ore, the burnt groove groove through mechanization transportation system (a last procedure that is connected with blast furnace ironmaking), and is respectively charged in ore deposit, the corresponding cell body of burnt groove.
2, ore deposit, burnt groove are single-row or biserial is arranged, are made up of the cell body that becomes row to arrange successively, all link to each other with hopper below each cell body.On the broad ways, all link to each other with two (or 3-4) hoppers below each cell body, each hopper is established discharge port, and the number of hopper and discharge port thereof is two (or 3-4 is individual), and is identical with the blast furnace number of being served; Go up along its length, ore deposit, burnt groove are made up of the cell body that becomes row to arrange successively, and therefore, the also corresponding one-tenth successively of hopper and discharge port thereof row are arranged and have been divided into two series (or 3-4 series).For example: serve the ore deposit of two blast furnaces, burnt tank systems, broad ways, each cell body all links to each other with two hoppers, and each hopper is established discharge port, and the number of hopper and discharge port thereof is two, and is identical with two of the blast furnace numbers of being served; Along its length, hopper below the cell body and discharge port thereof are also corresponding becomes the row layout to be divided into two row successively.
3, the opening for feed of equipment is corresponding one by one under the hopper of ore deposit, burnt groove and discharge port thereof and the groove, on the broad ways, number of devices is identical with the hopper and the discharge port quantity thereof of ore deposit, burnt groove under the groove, be on the broad ways under the groove number of devices be two covers (or 3-4 cover), identical with the blast furnace number of being served; Go up along its length hopper and discharge port corresponding also be divided into two series (or 3-4 series) thereof of equipment below cell body under the groove.Each series of services is in a blast furnace, and two series (or 3-4 series) can be served two (or 3-4 seat) blast furnaces.
4, corresponding two covers (or 3-4 cover) of establishing of charging equipment with equipment under the groove.Every cover material loading equipment is a blast furnace service, accept the discharging of equipment under the corresponding groove after, directly transport former, the fuel of being accepted to served blast furnace.Two covers (or 3-4 cover) charging equipment corresponds respectively to two (or 3-4 seat) blast furnaces.
In sum, major advantage of the present invention is:
1, traditional Blast Furnace Ore, burnt groove feeder system only are a blast furnace service, and Blast Furnace Ore provided by the present invention, burnt groove feeder system can be served two (or 3-4 seat) blast furnaces, can effectively reduce floor space, reduce construction investment;
2, Blast Furnace Ore provided by the present invention, burnt groove feeder system can be served two (or 3-4 seats), can shortened process, reduce resource and energy consumption from the source, and help centralized management, optimize and distribute;
3, owing to Blast Furnace Ore provided by the present invention, burnt groove feeder system, can serve two (or 3-4 seat) blast furnaces, therefore the relevant powder facility of returning mine, return coke powder facility, resource recovery and reuse facility, dust removal installation, electric power facility etc. and also can concentrate construction, correspondingly shortened the powder facility of returning mine, returned the coke powder facility, the technical process of resource recovery and reuse facility, dust removal installation, electric power facility, help resource rational utilization, energy-saving and cost-reducing and environmental protection.
4, the storage time of ore deposit, burnt groove is not the simple superposition in two (or 3-4 seat) required storage times of blast furnace, should take into full account standby each other function, useful volume to ore deposit, burnt groove is optimized design, the useful volume of this patent embodiment chats, burnt groove can reduce 20%, has reduced occupation of land and construction investment.
5, the present invention implements the Scientific Outlook on Development and the effective technology measure of steel industry development policies, can both flexible adaptation to different blast furnace heat sizes, combustion intensity, technical process, working system, material condition etc., and applied widely;
6, be applicable to different iron-smelting process flow processs.Comprise: non-blast furnace ironmaking technologies such as blast furnace ironmaking or melting and reducing.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.On the groove of burnt groove 1, lump ore groove 2, assorted ore deposit groove 3, agglomerate groove 4, pellet groove 5, ore deposit groove side on the groove of equipment 6, burnt groove side equipment 7, ore concentrate hopper 8, coke to concentrate hopper 9.
Fig. 2 is a technology orthographic plan of the present invention.Feed conveyor drive 24 under feed conveyor drive 23, the 2# blast-furnace coke groove groove under feed conveyor drive 14, ore deposit side channel body 15, coke side cell body 16,2 # blast furnace 21,2# blast furnace master conveyor drive 22, the 2# Top of Blast Furnace Ore Tank under feed conveyor drive 13, the 1# blast-furnace coke groove groove under 1# blast furnace 11,1# blast furnace master conveyor drive 12, the 1# Top of Blast Furnace Ore Tank.
Fig. 3 is A-A of the present invention ore deposit, burnt grooved profile figure.
1# Blast Furnace Ore groove side opening for feed gate 101,1# Blast Furnace Ore groove side feeding machine 102,1# Blast Furnace Ore groove side vibratory screening apparatus 103,1# Blast Furnace Ore groove side hopper and blowing gate 104, feed conveyor drive 13 under the 1# Top of Blast Furnace Ore Tank, 2# Blast Furnace Ore groove side feeding mouth gate 201,2# Blast Furnace Ore groove side feeding machine 202,2# Blast Furnace Ore groove side vibratory screening apparatus 203,2# Blast Furnace Ore groove side hopper and blowing gate 204, feed conveyor drive 23 under the 2# Top of Blast Furnace Ore Tank, equipment 6 on the groove of ore deposit groove side, ore deposit side channel body 15, hopper 17 below the side channel body of ore deposit.Feed conveyor drive 14 under 1# blast-furnace coke groove side opening for feed gate 106,1# blast-furnace coke groove side feeding machine 107,1# blast-furnace coke groove side vibratory screening apparatus 108,1# blast-furnace coke groove side hopper and blowing gate 109, the 1# blast-furnace coke groove groove; Hopper 18 below equipment 7, coke side cell body 16, the coke side cell body on the groove of feed conveyor drive 24, burnt groove side under 2# blast-furnace coke groove side feeding mouth gate 206,2# blast-furnace coke groove side feeding machine 207,2# blast-furnace coke groove side vibratory screening apparatus 208,2# blast-furnace coke groove side hopper and blowing gate 209, the 2# blast-furnace coke groove groove.
Fig. 4 is a B-B 1# blast furnace master conveyor drive sectional view of the present invention.Feed conveyor drive 14 under feed conveyor drive 13, the 1# blast-furnace coke groove groove, ore concentrate hopper 8, coke to concentrate hopper 9 under 1# blast furnace 11,1# blast furnace master conveyor drive 12, the 1# Top of Blast Furnace Ore Tank.
Fig. 5 is a C-C 2# blast furnace master conveyor drive sectional view of the present invention.Feed conveyor drive 24 under feed conveyor drive 23, the 2# blast-furnace coke groove groove under 2 # blast furnace 21,2# blast furnace master conveyor drive 22, the 2# Top of Blast Furnace Ore Tank.
Embodiment
Fig. 1～Fig. 5 is a kind of embodiment of the present invention.As seen from the figure, present embodiment provides a kind of Blast Furnace Ore, burnt groove feeder system of serving, can serve two blast furnaces, comprise: the hopper 17 below feed conveyor drive 24, the ore deposit side channel body, the hopper 18 below the coke side cell body under feed conveyor drive 23, the 2# blast-furnace coke groove groove under feed conveyor drive 14, ore deposit side channel body 15, coke side cell body 16,2# blast furnace 21,2# blast furnace master conveyor drive 22, the 2# Top of Blast Furnace Ore Tank under feed conveyor drive 13, the 1# blast-furnace coke groove groove under 1# blast furnace 11,1# blast furnace master conveyor drive 12, the 1# Top of Blast Furnace Ore Tank.
Needed former, the fuel of two blast furnaces is transported on Blast Furnace Ore, the burnt groove groove end face through mechanization transportation system (a last procedure that is connected with blast furnace ironmaking), and is respectively charged in corresponding ore deposit, the burnt groove.Blast Furnace Ore, burnt groove are double-row type and arrange in the present embodiment, and (comprising: totally 2 in Distribution Warehouse endless belt conveyor), raw materials such as transportation coke, lump ore, assorted ore deposit not only can lower the operating rate of wall scroll endless belt conveyor but also standby each other to equipment 7 on the groove of burnt groove side; Equipment 6 on the groove of ore deposit groove side (comprising: the Distribution Warehouse endless belt conveyor is totally 3 on the groove), raw materials such as transportation agglomerate, pelletizing.Because the present embodiment agglomerate workshop and ironmaking workshop are short flow process seamless connection (being also referred to as " mouth-to-mouth "), this just require on the groove transportation agglomerate endless belt conveyor and sintering mill (plant) seamless connection, work continuously so 2 of agglomerate Distribution Warehouse endless belt conveyor needs.Simultaneously for satisfying the transportation of other raw materials such as pellet etc., must set up 1 Distribution Warehouse endless belt conveyor on the groove groove of ore deposit, so not only can transport pelletizing but also can be used as the equipment sparing of other 2 agglomerate Distribution Warehouse endless belt conveyor, dispose 3 Distribution Warehouse endless belt conveyor for this reason on the ore deposit groove groove altogether; The Distribution Warehouse endless belt conveyor is established 2 raw materials such as transportation agglomerate, pelletizing and also is fine on the situation ore deposit groove side channel of the no particular requirement of upstream process (as: sintering plant, tool haulage system etc.).
Ore deposit, burnt groove are exactly that storage agglomerate, lump ore, pellet, Wingdale, manganese ore, schreyerite, fluorite and coke etc. are former, the container of fuel, the present embodiment chats, burnt groove are biserial and arrange, ore deposit side channel body 15 is made up of 11 cell bodies, i.e. 8 agglomerate cell bodies, 3 the pellet cell bodies that become row to arrange successively.The hopper 17 of each ore deposit side channel body below cell body links to each other; Coke side cell body 16 is made up of 13 cell bodies, promptly becomes 6 coke cell bodies, 3 lump ore cell bodies, 4 assorted ore deposit cell bodies of row layout successively, and the hopper 18 of each coke side cell body below cell body links to each other.The design of hopper is a key of the present invention.On the broad ways, all link to each other with two hoppers below each cell body, each hopper is established discharge port, and the number of hopper and discharge port thereof is two; Go up along its length, ore deposit side channel body 15 is made up of 11 cell bodies that become row to arrange successively, coke side cell body 16 is made up of 13 cell bodies that become row to arrange successively, and therefore, the hopper of ore deposit groove side and burnt groove side and discharge port thereof also all are correspondingly to become to be listed as layout successively and be divided into two row.Unified for specification of equipment, interchangeability good, reduce the kind of spare parts, be convenient to installation and maintenance, the location dimension (as the size A in the accompanying drawing 3 and B, a and b) of the hopper discharge port of 11 cell bodies of the present embodiment chats groove side (comprising 8 agglomerate cell bodies, 3 pellet cell bodies) is all identical; The location dimension (as the size C among Fig. 3 and D, c and d) of the hopper discharge port of burnt 13 cell bodies of groove side (comprising 6 coke cell bodies, 3 lump ore cell bodies, 4 assorted ore deposit cell bodies) is also all identical.Also can have nothing in common with each other at the location dimension A of the hopper discharge port of different embodiment chats groove sides or a plurality of cell bodies of burnt groove side and B, a and b or C and D, c and d, depend primarily on parameter such as specification of equipment under the groove.
Fig. 3 chats groove side
The hopper and the corresponding one by one installation of discharge port thereof of equipment and a plurality of cell bodies of ore deposit groove side under the groove between the colonnade line, this series is the service of 1# blast furnace, agglomerate of 11 cell bodies of ore deposit groove side (comprising 8 agglomerate cell bodies, 3 pellet cell bodies) and pelletizing are after equipment screening and weighing under the groove, by material loading program requirement feed conveyor drive 13 blowings under the 1# Top of Blast Furnace Ore Tank; Burnt groove side
The hopper and the corresponding one by one installation of discharge port thereof of equipment and a plurality of cell bodies of burnt groove side under the groove between the colonnade line, this series also is the service of 1# blast furnace, coke, lump ore and assorted ore deposit in burnt 13 cell bodies of groove side (comprising 6 coke cell bodies, 3 lump ore cell bodies, 4 assorted ore deposit cell bodies) is after screening and weighing, by material loading program requirement feed conveyor drive 14 blowings under 1# blast-furnace coke groove groove.Under the 1# Top of Blast Furnace Ore Tank under feed conveyor drive 13 and the 1# blast-furnace coke groove groove feed conveyor drive 14 with former, the fuel that transported to 1# blast furnace master conveyor drive 12 blowings.1# blast furnace master conveyor drive 12 is transported to material in the top charging equipment of 1# blast furnace 11, finishes the last material process of 1# blast furnace 11.Equally, ore deposit groove side
The hopper of 11 cell bodies of equipment and ore deposit groove side and the corresponding one by one installation of discharge port thereof under the groove between the colonnade line, this series is the service of 2# blast furnace, agglomerate of 11 cell bodies of ore deposit groove side (comprising 8 agglomerate cell bodies, 3 pellet cell bodies) and pelletizing are after equipment screening and weighing under the groove, by material loading program requirement feed conveyor drive 23 blowings under the 2# Top of Blast Furnace Ore Tank; Burnt groove side
The hopper of 13 cell bodies of equipment and burnt groove side and the corresponding one by one installation of discharge port thereof under the groove between the colonnade line, this series also is the service of 2# blast furnace, coke, lump ore and assorted ore deposit in burnt 13 cell bodies of groove side (comprising 6 coke cell bodies, 3 lump ore cell bodies, 4 assorted ore deposit cell bodies) is after screening and weighing, by material loading program requirement feed conveyor drive 24 blowings under 2# blast-furnace coke groove groove.Under the 2# Top of Blast Furnace Ore Tank under feed conveyor drive 23 and the 2# blast-furnace coke groove groove feed conveyor drive 24 with former, the fuel that transported to 2# blast furnace master conveyor drive 22 blowings.2# blast furnace master conveyor drive 22 is transported to material in the top charging equipment of 2# blast furnace 21, finishes the last material process of 2# blast furnace 21.
The present embodiment is to adopt the material-uploading style at non-relay station, this patent promptly is suitable for the material-uploading style that non-relay station also is adapted to relay station, in the present embodiment as shown in Figure 4, the ore that increases in the dashed rectangle concentrates hopper 8, coke to concentrate hopper 9, can realize the material-uploading style of relay station.
The quantity of ore deposit of the present invention, burnt groove, lump ore groove, assorted ore deposit groove, agglomerate groove, pellet groove is not limited to the number of above elaboration, and the quantity of various cell bodies can be 0-30; Lump ore groove, assorted ore deposit groove, pellet groove also are not limited to and are arranged in burnt groove side or ore deposit groove side; Ore deposit, the stored crude fuel kind of burnt groove also are not limited to above elaboration, can also be various crude fuels of going into stove.
The layout of ore deposit of the present invention, burnt groove is not limited to the double-row type of the present embodiment and arranges, the layout of ore deposit, burnt groove is the single-column type layout and also can implements, under the groove groove of ore deposit under feed conveyor drive and the burnt groove groove feed conveyor drive merge into one, directly with former, the fuel that transported to blast furnace master conveyor drive blowing.
The layout of ore deposit of the present invention, burnt groove is not limited to the material-uploading style of the present embodiment, the truck material-uploading style also can be implemented, feed conveyor drive under feed conveyor drive and the burnt groove groove under the groove groove of ore deposit, with former, the fuel that transported to the truck blowing, through the truck blast furnace of packing into.
The present invention is engaged in being applicable to different iron-smelting process flow processs in two (or 3-4 seat) Blast Furnace Ore, burnt groove feeder systems, comprises non-blast furnace ironmaking technical process such as blast furnace ironmaking and melting and reducing.
The present invention serves two (or 3-4 seat) Blast Furnace Ore, burnt groove feeder systems multiple embodiments, a kind of embodiment of only just serving two Blast Furnace Ore, burnt groove feeder system in this explanation is set forth, this elaboration and the accompanying drawing explanation usefulness that only lays down a definition not is the restriction to this patent.Any this patent mentality of designing that do not break away from does to this patent that unsubstantiality changes, and all belongs to protection of the present invention.
Claims (2)
1. a Blast Furnace Ore, burnt groove feeder system comprise ore deposit, burnt tank systems, feed device; Ore deposit, burnt tank systems comprise: equipment He Kuang, burnt groove on the groove, and feed device comprises: equipment and charging equipment under the groove, it is characterized in that, serve two or 3-4 seat blast furnace; Be applicable to non-relay station, relay station arranged, the material-uploading style of truck material loading, endless belt conveyor material loading or iron-smelting process flow process;
Equipment to Blast Furnace Ore, burnt groove groove, and is respectively charged into needed former, the fuel transport of two or 3-4 seat blast furnace in ore deposit, the corresponding cell body of burnt groove on the groove;
From the ore deposit, burnt groove end face overlooks, forming the direction that ore deposit, the cell body of burnt groove be arranged in order is length direction, perpendicular direction is a width;
Ore deposit, burnt groove are single-row or biserial is arranged, are made up of the cell body that becomes row to arrange successively, all link to each other with hopper below each cell body; Broad ways, all link to each other below each cell body with two or 3-4 hopper, each hopper is established discharge port, the number of hopper and discharge port thereof is two or 3-4, along its length, ore deposit, burnt groove are made up of the cell body that becomes row to arrange successively, and the also corresponding one-tenth successively of hopper and discharge port thereof row are arranged and have been divided into two series or 3-4 series;
Equipment comprises under the groove: opening for feed gate, feeding machine, vibratory screening apparatus, weighing jar and discharging device one cover; The opening for feed of equipment is corresponding one by one with the hopper and the discharge port thereof of ore deposit, burnt groove under the groove, on the broad ways, number of devices is identical with the hopper and the discharge port quantity thereof of ore deposit, burnt groove under the groove, it is two or 3-4, go up along its length, hopper and the discharge port thereof of equipment below cell body is corresponding under the groove, has been divided into two series or 3-4 series, each series of services is in a blast furnace, and two series or 3-4 series of services are in two or 3-4 seat blast furnace.
2. system according to claim 1 is characterized in that, the hopper of ore deposit, burnt groove and discharge port thereof respectively with groove under the opening for feed of equipment be connected correspondingly, mode of connection is; Flange bolt connects or welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101015612A CN101792835B (en) | 2010-01-26 | 2010-01-26 | Feeding system for blast furnace ore and coke channel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101015612A CN101792835B (en) | 2010-01-26 | 2010-01-26 | Feeding system for blast furnace ore and coke channel system |
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| Publication Number | Publication Date |
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| CN101792835A CN101792835A (en) | 2010-08-04 |
| CN101792835B true CN101792835B (en) | 2011-06-08 |
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| CN2010101015612A Active CN101792835B (en) | 2010-01-26 | 2010-01-26 | Feeding system for blast furnace ore and coke channel system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061347B (en) * | 2011-01-26 | 2012-07-04 | 中冶赛迪工程技术股份有限公司 | In-series merging arrangement process for two blast furnace ore coke groove systems |
| CN103344118A (en) * | 2013-07-16 | 2013-10-09 | 上海宝锋工程技术有限公司 | Non-blast furnace iron making device feeding system and method |
| CN104278117A (en) * | 2014-09-24 | 2015-01-14 | 鞍钢集团工程技术有限公司 | Linear charging process for ore coke groove of blast furnace |
| CN106399611B (en) * | 2016-11-30 | 2018-12-07 | 中冶南方工程技术有限公司 | A kind of crude fuel can concentrate the compact blast furnace feeding system of weighing |
| CN109335597A (en) * | 2018-10-19 | 2019-02-15 | 北京首钢国际工程技术有限公司 | Feeding system under a kind of mine coke slot and slot |
| CN111996323B (en) * | 2020-09-22 | 2023-11-28 | 中冶赛迪工程技术股份有限公司 | Combined ore coke tank arrangement process for blast furnace group |
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