CN105002320B - The ore deposit Jiao's groove feeding system being classified under a kind of groove and feeding technique - Google Patents
The ore deposit Jiao's groove feeding system being classified under a kind of groove and feeding technique Download PDFInfo
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- CN105002320B CN105002320B CN201510510957.5A CN201510510957A CN105002320B CN 105002320 B CN105002320 B CN 105002320B CN 201510510957 A CN201510510957 A CN 201510510957A CN 105002320 B CN105002320 B CN 105002320B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses the ore deposit Jiao's groove feeding system being classified under a kind of groove and feeding technique, including ore deposit Jiao's groove body, major ingredient sealing-tape machine and returning charge sealing-tape machine, three-level screening plant is provided with below ore deposit Jiao's groove body, two scale hoopers corresponding to larger two grades are provided with below three-level screening plant, two scale hoopers are connected with the discharging opening of larger two grades by magazine chute respectively；Two scale hooper discharging openings be provided with for by material according to quantity to the dispensing batcher to major ingredient sealing-tape machine；The discharging opening of three-level screening plant minimum grade is connected to returning charge sealing-tape machine by another chute and reclaims nut coke or ore deposit fourth.Once screening realizes crude fuel point three-level to the present invention simultaneously, and grade material needed for two kinds enters different scale hoopers simultaneously, and arrangement is succinct, material transfer link under groove is reduced, crushing material rate is reduced, construction investment is reduced, production cost is saved, accurate layering dispensing is realized, is sufficiently mixed raw material.It is classified for crude fuel simultaneously and provides a kind of reliable guarantee.
Description
Technical field
The invention belongs to the ore deposit Jiao's groove and feeding system technical field in iron and steel metallurgical industry ironmaking production, and in particular to one
Plant the ore deposit Jiao's groove feeding system and feeding technique being classified under groove.
Background technology
Crude fuel be classified into stove be blast furnace process a kind of smelting mode, be to realize smooth operation of furnace, air-flow reasonable layout, carry
The important means of high gas utilization rate.Generally, crude fuel classification is that raw material is divided into two grades, and recycling is a certain amount of in addition
Ore deposit fourth or nut coke.
According to practice in factory, crude fuel can be classified in diverse location, mainly have following several ways：
First, raw material factory is classified, such as sintering plant, coke-oven plant or raw material plant.Raw material factory classification not only complex process,
Construction investment is high, and material has separating twice during ore deposit Jiao's groove is transported to, increased quantity of return mines, virtually improves life
Produce cost；
2nd, it is classified before ore deposit Jiao groove, i.e., the screening building before ore deposit Jiao's groove is classified.This hierarchical approaches sieves building one
As can be higher, investment is high, and equally exists the problem of second-time breakage；
3rd, it is classified under ore deposit Jiao groove groove, groove divides into one-level screening plant, and on-the-sieve material enters scale hooper, undersize material
It is back on groove into next circulation and is classified again, reaches the purpose of crude fuel classification.This hierarchical approaches vibration sieve,
Returning charge technology arrangement is complicated, interlocks for returning charge sealing-tape machine many, invests of a relatively high, and raw material is transported often, the thing of regrading
Material drop number is more, there is also the problem of material separating twice, and the vibratory sieve load of regrading is relatively large.
The content of the invention
The deficiencies in the prior art in view of the above, it is an object of the invention to provide on the ore deposit Jiao's groove being classified under a kind of groove
Material system and feeding technique, reduce material transfer link under groove, reduce crushing material rate, reduce construction investment, and saving is produced into
This.
For achieving the above object and other related purposes, technical scheme is as follows：
The ore deposit Jiao's groove feeding system being classified under a kind of groove, including ore deposit Jiao's groove body, major ingredient sealing-tape machine and returning charge sealing-tape machine, institute
State and three-level screening plant is provided with below ore deposit Jiao's groove body, be provided with and correspond respectively to three-level screening and set below three-level screening plant
Two scale hoopers of standby larger two grades, two scale hoopers are respectively by two magazine chutes and three-level screening plant larger two
The discharging opening connection of individual grade；Two scale hooper discharging openings be provided with for by material according to quantity to the dispensing to major ingredient sealing-tape machine
Batcher；The discharging opening of three-level screening plant minimum grade is connected to returning charge sealing-tape machine by another chute, for by Jiao
Fourth or ore deposit fourth are reclaimed.
As preferred：Ore deposit Jiao groove body is included above ore deposit groove body and burnt groove body, ore deposit groove body and burnt groove body
Be provided with batcher, be provided with below the burnt groove body coke three-level shake sieve, the first scale hooper, the second scale hooper, first
Chute, the second chute and the 5th chute, the coke three-level discharging opening of larger two grades in sieve that shakes are slipped by first respectively
Groove and the second chute are connected with the first scale hooper and the second scale hooper, the first scale hooper and the second scale hooper discharging opening and major ingredient glue
Frequency conversion dispensing batcher is provided between band machine；5th chute be connected to return burnt sealing-tape machine and coke three-level shake it is minimum in sieve
Between the discharging opening of grade.
As preferred：Be provided with below the ore deposit groove body ore three-level shake sieve, the 3rd scale hooper, the 4th scale hooper,
Three chutes, the 4th chute and the 6th chute, the ore three-level shake sieve in larger two grades discharging opening respectively pass through the 3rd
Chute and the 4th chute are connected with the 3rd scale hooper and the 4th scale hooper, the 3rd scale hooper and the 4th scale hooper discharging opening and major ingredient
Frequency conversion dispensing batcher is provided between sealing-tape machine；6th chute is connected to returns mine sealing-tape machine and ore three-level is shaken in sieve most
Between the discharging opening of little grade.
As preferred：First scale hooper and the second scale hooper be respectively arranged below the first frequency conversion dispensing batcher and
Second frequency conversion dispensing batcher, the first frequency conversion dispensing batcher and the second frequency conversion dispensing batcher can feed into master simultaneously
Material sealing-tape machine；3rd scale hooper and the 4th scale hooper and the 3rd frequency conversion dispensing batcher and the 4th change have been respectively arranged below it
Frequency dispensing batcher, the 3rd frequency conversion dispensing batcher and the 4th frequency conversion dispensing batcher can feed into major ingredient sealing-tape machine simultaneously.
It is easy to be layered stack.
First scale hooper and the second scale hooper are located at sustained height, and grade coke needed for two kinds claims into first simultaneously
Batch box and the second scale hooper；3rd scale hooper and the 4th scale hooper are located at sustained height, and grade ore needed for two kinds is simultaneously
Into the 3rd scale hooper and the 4th scale hooper.
Present invention simultaneously provides the ore deposit Jiao's groove feeding technique being classified under a kind of groove, including the ore deposit Jiao's groove being classified under above-mentioned groove
Feeding system, the material Jing three-level screening plants in ore deposit Jiao's groove body are classified into of different sizes three kind grade, wherein larger two
The material for planting grade is available two-stage material, and the material of minimum grade is the material for needing to reclaim；Available two-stage material leads to
Corresponding chute is crossed into the corresponding scale hooper of larger two kinds of grades, according to blast furnace demand, is fed by corresponding frequency conversion dispensing
Available two-stage material to major ingredient sealing-tape machine, is then delivered to blast furnace by major ingredient sealing-tape machine by machine；The material for reclaiming is needed to pass through
Another chute delivers to the recovery of returning charge sealing-tape machine.
As preferred：Three-level screening plant partition size below burnt groove body for a and b, i.e. classification of coke is：Granularity X
Two kinds of grades of >=a, a ＞ X >=b, X ＜ b, the wherein X >=a and a ＞ X >=b coke for needed for blast furnace；Three-level below ore deposit groove body
Screening plant partition size for c and d, i.e. ore classification is：Granularity Y >=c, c ＞ Y >=d, Y ＜ d, wherein Y >=c and c ＞ Y >=d are
Two kinds of grades of ore needed for blast furnace；Two kinds of granularities X of qualified coke >=a and a ＞ X >=b simultaneously enters the first scale hooper and the
Two scale hoopers, the coke of granularity X ＜ b are entered and return burnt sealing-tape machine recovery size for b ＞ X >=m nut cokes, and the coke breeze of X ＜ m enters coke breeze
Warehousing is deposited；Two kinds of granularities Y of qualified ore >=c and c ＞ Y >=d enters the 3rd scale hooper and the 4th scale hooper, granularity Y ＜ d simultaneously
Ore enter the ore deposit fourth that sealing-tape machine recovery size is d ＞ Y >=n of returning mine, the fine ore of Y ＜ n enters fine ore bin storage.
As preferred：The feeding technique of coke is, when obtaining blast furnace and will expect signal, it is intended that each burnt groove body second claim
Frequency conversion dispensing batcher under batch box is worked simultaneously, and in each burnt the second scale hooper of groove body, the coke layering of granularity a ＞ X >=b is folded
Expect to major ingredient sealing-tape machine, during this kind of granularity coke demand batch weight to be achieved, the frequency conversion dispensing batcher of the second scale hooper stops work
Make；After the setting time of interval, it is intended that each burnt the first scale hooper of groove body under frequency conversion dispensing batcher simultaneously work, each burnt groove
In the first scale hooper of body, the coke of granularity X >=a is layered stack to major ingredient sealing-tape machine, this kind of granularity coke demand batch weight to be achieved
When, the first scale hooper down coversion dispensing batcher quits work, and completes the dispensing of each grade coke.
As preferred：The feeding technique of ore is that coke feeding is completed and after certain interval of time, selected ore deposit groove body
Frequency conversion dispensing batcher under 3rd scale hooper is worked simultaneously, and the ore layering of each the 3rd scale hooper granularity Y of ore deposit groove body >=c is folded
Expect to major ingredient sealing-tape machine, during this kind of granularity demand on ore batch weight to be achieved, the frequency conversion dispensing batcher under the 3rd scale hooper stops
Work；Again after certain interval of time, selected the 4th scale hooper down coversion dispensing batcher of ore deposit groove body is worked simultaneously, each ore deposit groove
In the 4th scale hooper of body, the ore of granularity c ＞ Y >=d is layered stack to major ingredient sealing-tape machine, this kind of granularity demand on ore to be achieved
During batch weight, the 4th scale hooper down coversion dispensing batcher quits work, and completes the dispensing of each grade ore.
As preferred：On the major ingredient sealing-tape machine, each grade ore and coke feeding order are：Jiao of granularity a ＞ X >=b
The coke of charcoal, granularity X >=a, the ore of granularity Y >=c, the ore of granularity c ＞ Y >=d, realize that crude fuel is classified into stove.
As preferred：Granularity can be loaded in mixture into stove, the ore deposit fourth of granularity d ＞ Y >=n with each grade ore for the nut coke of b ＞ X >=m
Granularity c ＞ Y >=d can be partly or entirely replaced to enter stove according to actual conditions.
As described above, the invention has the beneficial effects as follows：The present invention has grading function under groove, divides into three-level in groove and shakes sieve,
Once screening realizes crude fuel point three-level simultaneously, and grade material needed for two kinds enters different scale hoopers simultaneously, meets Production requirement,
Technology arrangement is succinct, reduces material transfer link under groove, reduces crushing material rate, reduces construction investment, saves production cost, energy
The advantages of realizing accurate layering dispensing.The present invention be realize blast furnace crude fuel be classified into stove ore deposit Jiao groove and feeding system preferably side
Formula.
Description of the drawings
Fig. 1 is the arrangement schematic diagram of feeding system of the present invention；
Fig. 2 is the sectional drawing of Jiao's groove one of which arrangement of the invention；
Fig. 3 is the sectional drawing of ore deposit groove one of which arrangement of the present invention.
Piece mark explanation
1 burnt groove body
2 ore deposit groove bodies
3 coke three-levels are shaken sieve
4 first scale hoopers
5 second scale hoopers
6 first frequency conversion dispensing batchers
7 second frequency conversion dispensing batchers
8 return burnt sealing-tape machine
9 major ingredient sealing-tape machines
10 ore three-levels are shaken sieve
11 the 3rd scale hoopers
12 the 4th scale hoopers
13 the 3rd frequency conversion dispensing batchers
14 the 4th frequency conversion dispensing batchers
15 return mine sealing-tape machine
16 first chutes
17 second chutes
18 the 3rd chutes
19 the 4th chutes
20 the 5th chutes
21 the 6th chutes
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
As depicted in figs. 1 and 2, the ore deposit Jiao's groove feeding system being classified under a kind of groove, including ore deposit groove body 2 and burnt groove body 1,
Batcher is provided with below ore deposit groove body 2 and burnt groove body 1, coke three-level is provided with below burnt groove body 1 and is shaken sieve 3, first
Scale hooper 4, the second scale hooper 5, the first chute 16, the second chute 17 and the 5th chute 20, coke three-level shake larger two in sieving 3
The discharging opening of grade (i.e. available two-stage material) passes through the first chute 16 and the second chute 17 and the first scale hooper 4 and the respectively
Two scale hoopers 5 connect, and be provided with the first frequency conversion and match somebody with somebody between the first scale hooper 4 and 5 discharging opening of the second scale hooper and major ingredient sealing-tape machine 9
Material batcher 6 and the second frequency conversion dispensing batcher 7, if the first frequency conversion dispensing batcher 6 for by material according to quantity to major ingredient glue
Band machine 9, realizes that batch weight carries out dispensing on demand；5th chute 20 be connected to return burnt sealing-tape machine 8 and coke three-level shake it is minimum in sieve 3
Between the discharging opening of grade, and then nut coke is reclaimed burnt system is returned.
Equally as shown in figures 1 and 3, be provided with below ore deposit groove body 2 ore three-level shake sieve 10, the 3rd scale hooper 11,
Four scale hoopers 12, the 3rd chute 18, the 4th chute 19 and the 6th chute 21, ore three-level shake sieve 10 in larger two grades (i.e.
Available two-stage material) discharging opening pass through the 3rd chute 18 and the 4th chute 19 respectively with the 3rd scale hooper 11 and the 4th weighing
Bucket 12 connects, and is provided with the 3rd frequency conversion dispensing between the 3rd scale hooper 11 and 12 discharging opening of the 4th scale hooper and major ingredient sealing-tape machine 9
Batcher 13 and the 4th frequency conversion dispensing batcher 14；6th chute 21 is connected to returns mine sealing-tape machine 15 and ore three-level is shaken in sieve 10
Between the discharging opening of minimum grade, and then ore deposit fourth is reclaimed in system of returning mine.
Cell body is divided into three-level and is shaken sieve, and two scale hoopers of sieve arranged beneath of shaking correspond to the chute of two grades of sieve of shaking respectively, i.e.,
Three-level shakes the upper available two-stage material Jing chutes of sieve respectively while entering the scale hooper of two grades.Minus sieve ore deposit or coke breeze are entered
Returning charge sealing-tape machine system and then recovery ore deposit fourth or nut coke.In view of different batches crude fuel particle size range rate fluctuations, scale hooper
Volume suitably does greatly, and divides into frequency conversion dispensing batcher by material according to quantity to major ingredient sealing-tape machine 9 in scale hooper, carries out on demand
Batch weight carries out dispensing.
Coke three-level shake sieve 3 partition sizes for a and b, i.e. classification of coke be：Granularity X >=a, a ＞ X >=b, X ＜ b, wherein X
Two kinds of grades of >=a and a ＞ X >=b coke for needed for blast furnace.Ore three-level shakes 10 partition sizes of sieve for c and d, i.e. ore classification
For：Granularity Y >=c, two kinds of grades of c ＞ Y >=d, Y ＜ d, the wherein Y >=c and c ＞ Y >=d ore for needed for blast furnace.Qualified coke
Two kinds of granularity X >=a and a ＞ X >=b enter the first scale hooper 4 and the second scale hooper 5 simultaneously, and Y ＜ b entrance is returned burnt sealing-tape machine 8 and reclaimed
Nut coke.Two kinds of granularities Y of qualified ore >=c and c ＞ Y >=d enters the 3rd scale hooper 11 and the 4th scale hooper 12 simultaneously, and Y ＜ d enter
The sealing-tape machine 15 that enters to return mine reclaims ore deposit fourth.
The present invention also provides the ore deposit Jiao's groove feeding technique being classified under a kind of groove, specially：
After 1 time coke scale hooper discharge of burnt groove body terminates, correspondence Jiao's groove 1 time coke three-level of body is shaken and sieves 3 actions pair
Its feed supplement, coke are classified to X >=a simultaneously, and tri- kinds of grades of a ＞ X >=b, X ＜ b, X >=a are stored and claimed into the first scale hooper 4
Amount, a ＞ X >=b are stored and are weighed into the second scale hooper 5, and X ＜ b Jing return burnt sealing-tape machine 8 and reclaim nut coke；Ore scale hooper under groove
After discharge terminates, correspondence ore deposit groove 2 times three-levels of body shake 10 actions of sieve to its feed supplement, and ore is classified to Y >=c, c ＞ Y >=d simultaneously,
Tri- kinds of grades of Y ＜ d, Y >=c are stored and are weighed into the 3rd scale hooper 11, and c ＞ Y >=d is stored and claimed into the 4th scale hooper 12
Amount, Y ＜ d Jing return mine sealing-tape machine 15 reclaim ore deposit fourth.
When obtaining blast furnace and will expect signal, follow procedure selectes the second change under certain several each 1 second scale hooper 5 of burnt groove body
Frequency dispensing batcher 7 is worked simultaneously, realizes the coke layering stack of granularity a ＞ X >=b in each 1 second scale hooper 5 of burnt groove body extremely
Major ingredient sealing-tape machine 9, during this kind of granularity (a ＞ X >=b) coke demand batch weight to be achieved, the second the second frequency conversion of scale hooper 5 times dispensing is given
Material machine 7 quits work；(determined by blast furnace roof) after certain interval of time, refer to that follow procedure selectes certain several burnt groove body 1 first
The first frequency conversion dispensing batcher 6 under scale hooper 4 is worked simultaneously, realizes granularity X >=a in each 1 first scale hooper 4 of burnt groove body
Coke is layered stack to major ingredient sealing-tape machine 9, during this kind of granularity (X >=a) coke demand batch weight to be achieved, the of the first scale hooper 4
One frequency conversion dispensing batcher 6 quits work, and then completes the dispensing of each grade coke.
(determined by blast furnace roof) after coke feeding completes simultaneously certain interval of time, follow procedure selectes certain several ore deposit groove sheet
The 3rd frequency conversion dispensing batcher 13 under the 3rd scale hooper 11 of body 2 is worked simultaneously, realizes the 3rd scale hooper of each ore deposit groove body 2 11
The ore of degree Y >=c is layered stack to major ingredient sealing-tape machine 9, and during this kind of granularity (Y >=c) demand on ore weight to be achieved, the 3rd weighs
The 3rd frequency conversion dispensing batcher 13 under bucket 11 quits work；(determined by blast furnace roof) after certain interval of time again, follow procedure
The 4th frequency conversion dispensing batcher 14 selected under certain several the 4th scale hooper 12 of ore deposit groove body 2 is worked simultaneously, realizes each ore deposit groove sheet
In the 4th scale hooper 12 of body 2, the ore of granularity c ＞ Y >=d is layered stack to major ingredient sealing-tape machine 9, this kind of granularity to be achieved (c ＞ Y >=
D) during demand on ore weight, the 4th frequency conversion dispensing batcher 14 of the 4th scale hooper 12 times quits work, and completes each grade ore
Dispensing.
After above coke and ore discharge program, on major ingredient sealing-tape machine 9, each grade ore and coke order are：A ＞ X
>=b (coke), X >=a (coke), Y >=c (ore), c ＞ Y >=d (ore), and load in stove, so as to realize original by set order
Fuel staging enters the purpose of stove.
In addition, the coke for reclaiming is divided into b ＞ X >=two kinds of granularities of m, X ＜ m, the ore after recovery is divided into d ＞ Y >=n, Y ＜ n
Two kinds of granularities；The coke breeze of X ＜ m is deposited into coke breeze warehousing；The fine ore of Y ＜ n is stored into fine ore bin.D ＞ Y >=n ore deposits fourth and b ＞ X
>=m nut cokes can be recycled by certain charging system, such as granularity for b ＞ X >=m coke nut recovery after can be with each grade ore deposit
Stone is loaded in mixture into stove, and the ore deposit fourth of granularity d ＞ Y >=n can partly or entirely replace the ore of granularity c ＞ Y >=d to enter stove.It is not this
Bright emphasis is so no longer describe.
The present invention compared with prior art, is shaken sieve using three-level, crude fuel is divided into three-level directly, the fortune of raw material is reduced
Turn number of times, simplify sieving circuit.Coke or ore are stored in scale hooper after classification, directly, and blast furnace is obtained under groove will
During material signal, then stack is layered respectively by required batch weight delivers to blast furnace to major ingredient sealing-tape machine 9.Divide in avoiding traditional handicraft
It is more that material after level is re-fed into the transport process before blast furnace, easily causes the problem of crushing material.After sieving in traditional handicraft
Sintering deposit Jing sealing-tape machines be transported to storage in accumulator tank, when blast furnace needs sintering deposit, the discharge end of accumulator tank is opened, by difference
The sintering deposit of granularity delivers to blast furnace roof by two sealing-tape machines respectively.Under the groove of the present invention, classification and feeding technique are relatively simpler
Just, the ore or coke after screening is directly stored in scale hooper, is reduced sealing-tape machine and is transported to accumulator tank this process, and weighs
Bucket can be weighed to the product after screening, can be by real needs to blast furnace feeding.It is compared with the prior art, it is possible to reduce groove
Lower material transfer link, reduces crushing material rate, reduces construction investment, saves production cost.
Wherein layering is fallen material and is mainly the raw material of different scale hoopers while discharge, reaches the different material of granule size of the same race
Layering superposition, and then well-mixed purpose.Especially for ore, grade size of the same race has variform raw material.Such as
Sintering deposit, pellet and massive of granule size of the same race etc. can be realized respectively by multiple scale hoopers while discharge is to major ingredient
Sealing-tape machine, makes have plurality of raw materials on the same conveying section of major ingredient sealing-tape machine, and then raw material was fully mixed before in stove
Close.
Preferred embodiment above only to illustrate technical scheme and unrestricted, any person skilled in the art
All modifications and changes can be carried out to above-described embodiment under the spirit and the scope without prejudice to the present invention.Therefore, affiliated technology such as
All for having in field that usually intellectual completed under without departing from disclosed spirit and technological thought equivalent are repaiied
Decorations change, and should be covered by the claim of the present invention.
Claims (10)
1. the ore deposit Jiao's groove feeding system being classified under a kind of groove, it is characterised in that：Including ore deposit Jiao's groove body, major ingredient sealing-tape machine and returning charge
Sealing-tape machine, is provided with three-level screening plant below ore deposit Jiao groove body, is provided with and corresponds respectively to below three-level screening plant
Two scale hoopers of larger two grades of three-level screening plant, two scale hoopers are sieved with three-level by two magazine chutes respectively
The discharging opening connection of larger two grades of equipment；Two scale hooper discharging openings be provided with for by material according to quantity to major ingredient glue
Dispensing batcher with machine；The discharging opening of the three-level screening plant minimum grade is connected to returning charge adhesive tape by another chute
Machine, for reclaiming nut coke or ore deposit fourth.
2. the ore deposit Jiao's groove feeding system being classified under a kind of groove according to claim 1, it is characterised in that：Ore deposit Jiao groove sheet
Body includes being provided with batcher above ore deposit groove body and burnt groove body, ore deposit groove body and burnt groove body, under the burnt groove body
Side is provided with coke three-level and shakes sieve, the first scale hooper, the second scale hooper, the first chute, the second chute and the 5th chute, Jiao
Charcoal three-level shake larger two grades in sieve discharging opening respectively by the first chute and the second chute and the first scale hooper and second
Scale hooper connects, and frequency conversion dispensing batcher is provided between the first scale hooper and the second scale hooper discharging opening and major ingredient sealing-tape machine；
5th chute is connected to and returns burnt sealing-tape machine and coke three-level is shaken in sieve between the discharging opening of minimum grade.
3. the ore deposit Jiao's groove feeding system being classified under a kind of groove according to claim 2, it is characterised in that：The ore deposit groove body
Lower section is provided with ore three-level and shakes sieve, the 3rd scale hooper, the 4th scale hooper, the 3rd chute, the 4th chute and the 6th chute, described
Ore three-level shake larger two grades in sieve discharging opening respectively by the 3rd chute and the 4th chute and the 3rd scale hooper and the
Four scale hoopers connect, and frequency conversion dispensing feed is provided between the 3rd scale hooper and the 4th scale hooper discharging opening and major ingredient sealing-tape machine
Machine；6th chute is connected to returns mine sealing-tape machine and ore three-level is shaken in sieve between the discharging opening of minimum grade.
4. the ore deposit Jiao's groove feeding system being classified under a kind of groove according to claim 3, it is characterised in that：Described first weighs
Bucket and the second scale hooper have been respectively arranged below the first frequency conversion dispensing batcher and the second frequency conversion dispensing batcher, and described first becomes
Frequency dispensing batcher and the second frequency conversion dispensing batcher can feed into major ingredient sealing-tape machine simultaneously；3rd scale hooper and the 4th
Scale hooper and the 3rd frequency conversion dispensing batcher and the 4th frequency conversion dispensing batcher are respectively arranged below, the 3rd frequency conversion dispensing feed
Machine and the 4th frequency conversion dispensing batcher can feed into major ingredient sealing-tape machine simultaneously.
5. the ore deposit Jiao's groove feeding technique being classified under a kind of groove, including be classified under a kind of groove described in Claims 1-4 any one
Ore deposit Jiao's groove feeding system, it is characterised in that：Material Jing three-level screening plants in ore deposit Jiao's groove body are classified into of different sizes
Three kinds of grades, wherein the material of larger two kinds of grades is available two-stage material, the material of minimum grade is the thing for needing to reclaim
Material；Available two-stage material enters the corresponding scale hooper of larger two kinds of grades by corresponding chute, according to blast furnace demand, passes through
Available two-stage material to major ingredient sealing-tape machine, is then delivered to blast furnace by major ingredient sealing-tape machine by corresponding frequency conversion dispensing batcher；
Need the material for reclaiming returning charge sealing-tape machine to be delivered to by another chute reclaim nut coke or ore deposit fourth.
6. the ore deposit Jiao's groove feeding technique being classified under a kind of groove according to claim 5, it is characterised in that：Below burnt groove body
Three-level screening plant partition size for a and b, i.e. classification of coke be：Granularity X >=a, a ＞ X >=b, X ＜ b, wherein X >=a and a ＞
Two kinds of grades of X >=b coke for needed for blast furnace；Three-level screening plant partition size below ore deposit groove body is c and d, i.e. ore
It is classified as：Two kinds of grades of granularity Y >=c, c ＞ Y >=d, Y ＜ d, the wherein Y >=c and c ＞ Y >=d ore for needed for blast furnace；Qualified Jiao
Two kinds of granularities X of charcoal >=a and a ＞ X >=b enters the first scale hooper and the second scale hooper simultaneously, and the coke of granularity X ＜ b is entered and returned
Burnt sealing-tape machine reclaims nut coke；Two kinds of granularities Y of qualified ore >=c and c ＞ Y >=d enters the 3rd scale hooper and the 4th simultaneously and weighs
Bucket, the ore of granularity Y ＜ d enter sealing-tape machine of returning mine and reclaim ore deposit fourth.
7. the ore deposit Jiao's groove feeding technique being classified under a kind of groove according to claim 6, it is characterised in that：The feeding work of coke
Skill is, when obtaining blast furnace and will expect signal, it is intended that each burnt the second scale hooper of groove body under frequency conversion dispensing batcher work simultaneously
Make, in each burnt the second scale hooper of groove body, the coke of granularity a ＞ X >=b is layered stack to major ingredient sealing-tape machine, this kind of granularity to be achieved
During coke demand batch weight, the frequency conversion dispensing batcher of the second scale hooper quits work；Interval setting time after, it is intended that each burnt groove
Frequency conversion dispensing batcher under the first scale hooper of body is worked simultaneously, the coke of granularity X >=a in each burnt the first scale hooper of groove body
Stack is layered to major ingredient sealing-tape machine, during this kind of granularity coke demand batch weight to be achieved, the first scale hooper down coversion dispensing batcher
Quit work, complete the dispensing of each grade coke.
8. the ore deposit Jiao's groove feeding technique being classified under a kind of groove according to claim 6, it is characterised in that：The feeding work of ore
Skill is that coke feeding is completed and after certain interval of time, the frequency conversion dispensing batcher under selected the 3rd scale hooper of ore deposit groove body
Work simultaneously, the ore of each the 3rd scale hooper granularity Y of ore deposit groove body >=c is layered stack to major ingredient sealing-tape machine, this kind of grain to be achieved
During degree demand on ore batch weight, the frequency conversion dispensing batcher under the 3rd scale hooper quits work；It is again after certain interval of time, selected
The 4th scale hooper down coversion dispensing batcher of ore deposit groove body is worked simultaneously, granularity c ＞ Y >=d in each the 4th scale hooper of ore deposit groove body
Ore be layered stack to major ingredient sealing-tape machine, during this kind of granularity demand on ore batch weight to be achieved, the 4th scale hooper down coversion dispensing
Batcher quits work, and completes the dispensing of each grade ore.
9. the ore deposit Jiao's groove feeding technique being classified under a kind of groove according to claim 6, it is characterised in that：The major ingredient adhesive tape
On machine, each grade ore and coke feeding order are：The coke of granularity a ＞ X >=b, the coke of granularity X >=a, the ore deposit of granularity Y >=c
The ore of stone, granularity c ＞ Y >=d, realizes that crude fuel is classified into stove.
10. the ore deposit Jiao's groove feeding technique being classified under a kind of groove according to claim 6, it is characterised in that：The coke of recovery
Be divided into b ＞ X >=two kinds of granularities of m, X ＜ m, granularity to load in mixture into stove with each grade ore after the coke nut recovery of b ＞ X >=m, X ＜ m's
Coke breeze is deposited into coke breeze warehousing；Ore after recovery is divided into d ＞ Y >=two kinds of granularities of n, Y ＜ n, the ore deposit fourth part of granularity d ＞ Y >=n
Or all replacing the ore of granularity c ＞ Y >=d to enter stove, the fine ore of Y ＜ n is stored into fine ore bin.
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| CN105803142B (en) * | 2016-05-11 | 2018-05-01 | 武汉钢铁有限公司 | The burnt mixing loading method of large blast furnace gradation level ore deposit |
| CN105947706A (en) * | 2016-06-01 | 2016-09-21 | 合肥雄鹰自动化工程科技有限公司 | BB fertilizer batching system |
| CN107287373B (en) * | 2017-06-30 | 2018-07-17 | 河南龙成煤高效技术应用有限公司 | A kind of steel scrap considers the device and method into blast furnace ironmaking to be worth doing |
| CN109019079A (en) * | 2018-08-28 | 2018-12-18 | 河南省德耀节能科技股份有限公司 | A kind of material-transporting system |
| 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 |
| CN111020085B (en) * | 2020-01-03 | 2024-02-06 | 中冶赛迪工程技术股份有限公司 | Feeding unit with parallel under-tank screening and discharging, ore coke tank feeding system and method |
| CN112522460B (en) * | 2020-11-18 | 2022-05-17 | 山东钢铁集团日照有限公司 | Method for adjusting airflow distribution by spreading blast furnace burden |
| CN113136466B (en) * | 2021-04-15 | 2022-08-16 | 鞍钢股份有限公司 | Material distribution method for realizing graded charging of coke by using existing equipment |
| CN113416807B (en) * | 2021-05-25 | 2022-05-20 | 鞍钢股份有限公司 | Charging method for improving air permeability in large-scale blast furnace |
| CN113564288B (en) * | 2021-07-28 | 2022-07-22 | 德龙钢铁有限公司 | Method for controlling vibrating screen under blast furnace groove |
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| JP5034189B2 (en) * | 2005-08-15 | 2012-09-26 | Ｊｆｅスチール株式会社 | Raw material charging method to blast furnace |
| KR101129969B1 (en) * | 2009-10-29 | 2012-04-12 | 현대제철 주식회사 | Apparatus and method for controlling screening device of powder sintered ore or powdered coke for shaft furnace |
| CN201686702U (en) * | 2010-01-26 | 2010-12-29 | 北京首钢国际工程技术有限公司 | Feeding device for blast furnace ore and coke groove system |
| CN201695054U (en) * | 2010-05-28 | 2011-01-05 | 济南中燃科技发展有限公司 | Screening and weighing device under blast furnace trough |
| 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 |
| CN204138680U (en) * | 2014-09-24 | 2015-02-04 | 鞍钢集团工程技术有限公司 | A kind of orthoscopic blast furnace ore coke groove feeding system |
| CN204874577U (en) * | 2015-08-19 | 2015-12-16 | 中冶赛迪工程技术股份有限公司 | Burnt groove in hierarchical ore deposit feeding system under groove |
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