CN105002320A - Ore and coke tank feeding system and technology capable of realizing classification below tank - Google Patents
Ore and coke tank feeding system and technology capable of realizing classification below tank Download PDFInfo
- Publication number
- CN105002320A CN105002320A CN201510510957.5A CN201510510957A CN105002320A CN 105002320 A CN105002320 A CN 105002320A CN 201510510957 A CN201510510957 A CN 201510510957A CN 105002320 A CN105002320 A CN 105002320A
- Authority
- CN
- China
- Prior art keywords
- ore
- scale hooper
- coke
- grades
- granularity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses an ore and coke tank feeding system and technology capable of realizing classification below tanks. The system comprises ore and coke tank bodies, a main material tape machine and a return material tape machine, wherein three-stage screening equipment is arranged below the ore and coke tank bodies; two weighing hoppers corresponding to two higher particle size classes are arranged below each piece of three-stage screening equipment and connected with outlets of the two higher particle size classes through feeding chutes respectively; the outlets of the two weighing hoppers are provided with mixing feeding machines for feeding materials to the main material tape machine according to the quantity; outlets with the lowest particle size class of the three-stage screening equipment are connected to the return material tape machine through another chutes to recover coke nuts or ore nuts. With the adoption of the system and the technology, crude fuel is divided into three classes through one-time screening, two materials at required particle size classes enter different weighing hoppers simultaneously, the arrangement is concise, material transfer links below the tanks are reduced, the material crushing rate is decreased, the engineering investment is reduced, the production cost is saved, accurate layered mixing is realized, and raw materials are fully mixed. Meanwhile, classified charging of the crude fuel for smelting is reliably guaranteed.
Description
Technical field
The invention belongs to the burnt groove in ore deposit in iron and steel metallurgical industry ironmaking production and feeding system technical field, be specifically related to the burnt groove feeding system in ore deposit and the material loading technique of classification under a kind of groove.
Background technology
Crude fuel classification enters the one smelting mode that stove is blast-furnace smelting, is the important means realizing smooth operation of furnace, air-flow reasonable layout, raising gas utilization rate.Usually, crude fuel classification raw material is divided into two grades, reclaims a certain amount of ore deposit fourth or nut coke more in addition.
According to practice in factory, crude fuel can carry out classification at different positions, mainly contains following several mode:
One, raw material factory carries out classification, as sintering plant, and coke-oven plant or raw material plant.Raw material factory classification not only complex process, construction investment is high, and material exists separating twice transporting in the burnt groove process in ore deposit, adds quantity of return mines, virtually improves production cost;
Two, carry out classification before the burnt groove in ore deposit, the screening building namely before the burnt groove in ore deposit carries out classification.This hierarchical approaches screening building generally can be higher, invests high, and there is the problem of secondary breaking equally;
Three, carry out classification under the burnt groove groove in ore deposit, groove divides into one-level screening plant, and on-the-sieve material enters scale hooper, and undersize material is back to and groove enters next circulation carries out reclassification, reaches the object of crude fuel classification.This hierarchical approaches vibration sieve, returning charge processing set-up are complicated, staggered many for returning charge conveyor drive, invest relatively high, raw material transhipment often, the material drop number of regrading is many, also there is the problem of material separating twice, and the vibratory screening apparatus load of regrading is relatively large.
Summary of the invention
The deficiencies in the prior art in view of the above, the object of the present invention is to provide the burnt groove feeding system in the ore deposit of classification under a kind of groove and material loading technique, reduce material transfer link under groove, reduce crushing material rate, reduce construction investment, save production cost.
For achieving the above object and other relevant objects, technical scheme of the present invention is as follows:
The burnt groove feeding system in ore deposit of classification under a kind of groove, comprise the burnt groove body in ore deposit, major ingredient conveyor drive and returning charge conveyor drive, three grades of screening plants are provided with below the burnt groove body in described ore deposit, be provided with two scale hoopers corresponding respectively to three grades of larger two grades of screening plant below three grades of screening plants, two scale hoopers are connected respectively by the discharge port of two magazine chutes with three grades of larger two grades of screening plant; Two scale hooper discharge ports are provided with the batching feeding machine for material being given to according to quantity major ingredient conveyor drive; The discharge port of described three grades of minimum grades of screening plant is connected to returning charge conveyor drive by another chute, for nut coke or ore deposit fourth being reclaimed.
As preferably: the burnt groove body in described ore deposit comprises ore deposit groove body and burnt groove body, feeding machine is provided with above ore deposit groove body and burnt groove body, be provided with three grades, coke below described burnt groove body to shake sieve, the first scale hooper, the second scale hooper, the first chute, the second chute and the 5th chute, three grades, the described coke discharge port of larger two grades in sieve that shakes is connected with the first scale hooper and the second scale hooper with the second chute respectively by the first chute, the first scale hooper and be provided with frequency conversion between the second scale hooper discharge port and major ingredient conveyor drive and prepare burden feeding machine; Described 5th chute be connected to return burnt conveyor drive and three grades, coke shake minimum grade in sieve discharge port between.
As preferably: be provided with three grades, ore below the groove body of described ore deposit and shake sieve, the 3rd scale hooper, the 4th scale hooper, the 3rd chute, the 4th chute and the 6th chute, three grades, the described ore discharge port of larger two grades in sieve that shakes is connected with the 3rd scale hooper and the 4th scale hooper with the 4th chute respectively by the 3rd chute, the 3rd scale hooper and be provided with frequency conversion between the 4th scale hooper discharge port and major ingredient conveyor drive and prepare burden feeding machine; Described 6th chute be connected to return mine conveyor drive and three grades, ore shake minimum grade in sieve discharge port between.
As preferably: be respectively arranged with the first frequency conversion batching feeding machine and the second frequency conversion batching feeding machine below described first scale hooper and the second scale hooper, described first frequency conversion batching feeding machine and the second frequency conversion batching feeding machine can feed into major ingredient conveyor drive simultaneously; Described 3rd scale hooper and the 4th scale hooper and below are respectively arranged with the 3rd frequency conversion batching feeding machine and the 4th frequency conversion batching feeding machine, and the 3rd frequency conversion batching feeding machine and the 4th frequency conversion batching feeding machine can feed into major ingredient conveyor drive simultaneously.Be convenient to a point stacked material.
Described first scale hooper and the second scale hooper are positioned at sustained height, and grade coke needed for two kinds enters the first scale hooper and the second scale hooper simultaneously; Described 3rd scale hooper and the 4th scale hooper are positioned at sustained height, and grade ore needed for two kinds enters the 3rd scale hooper and the 4th scale hooper simultaneously.
The present invention provides the ore deposit burnt groove material loading technique of classification under a kind of groove simultaneously, comprise the burnt groove feeding system in ore deposit of classification under above-mentioned groove, material in the burnt groove body in ore deposit is classified into the three kinds of grades varied in size through three grades of screening plants, wherein the material of larger two kinds of grades is two available stage materials, and the material of minimum grade is the material needing to reclaim; Two available stage materials enter scale hooper corresponding to larger two kinds of grades by corresponding chute, according to blast furnace demand, by the frequency conversion batching feeding machine of correspondence, two available stage materials are given to major ingredient conveyor drive, then deliver to blast furnace by main conveyor drive; Need the material reclaimed to deliver to returning charge conveyor drive by another chute to reclaim.
As preferably: three grades of screening plant partition sizes below burnt groove body are a and b, namely classification of coke is: granularity X >=a, a > X >=b, X < b, wherein two kinds of grades of X >=a and a > X >=b coke needed for blast furnace; Three grades of screening plant partition sizes below the groove body of ore deposit are c and d, namely ore classification is: granularity Y >=c, c > Y >=d, Y < d, wherein two kinds of grades of Y >=c and c > Y >=d ore needed for blast furnace; Two kinds of granularity X >=a and a > X >=b of qualified coke enters the first scale hooper and the second scale hooper simultaneously, the coke of granularity X < b enters and returns burnt conveyor drive recovery size is b > X >=m nut coke, and the coke breeze of X < m enters coke breeze warehousing and deposits; Two kinds of granularity Y >=c and the c > Y >=d of qualified ore enters the 3rd scale hooper and the 4th scale hooper simultaneously, the ore of granularity Y < d enters the ore deposit fourth that conveyor drive recovery size of returning mine is d > Y >=n, and the fine ore of Y < n enters fine ore bin storage.
As preferably: the material loading technique of coke is, when obtaining blast furnace and will expecting signal, frequency conversion batching feeding machine under each burnt groove body second scale hooper of specifying works simultaneously, in each burnt groove body second scale hooper, the coke of granularity a > X >=b divides stacked material to major ingredient conveyor drive, during this kind of granularity coke demand batch weight to be achieved, the frequency conversion batching feeding machine of the second scale hooper quits work; After the setting-up time of interval, frequency conversion batching feeding machine under each burnt groove body first scale hooper of specifying works simultaneously, in each burnt groove body first scale hooper, the coke of granularity X >=a divides stacked material to major ingredient conveyor drive, during this kind of granularity coke demand batch weight to be achieved, first scale hooper down coversion batching feeding machine quits work, and completes the batching of each grade coke.
As preferably: the material loading technique of ore is, coke material loading complete and certain interval of time after, frequency conversion batching feeding machine under selected ore deposit groove body the 3rd scale hooper works simultaneously, the ore of each ore deposit groove body the 3rd scale hooper granularity Y >=c divides stacked material to major ingredient conveyor drive, during this kind of granularity demand on ore batch weight to be achieved, the frequency conversion batching feeding machine under the 3rd scale hooper quits work; Again after certain interval of time, selected ore deposit groove body the 4th scale hooper down coversion batching feeding machine works simultaneously, in groove body the 4th scale hooper of each ore deposit, the ore of granularity c > Y >=d divides stacked material to major ingredient conveyor drive, during this kind of granularity demand on ore batch weight to be achieved, 4th scale hooper down coversion batching feeding machine quits work, and completes the batching of each grade ore.
As preferably: on described major ingredient conveyor drive, each grade ore and coke material loading order are: the ore of the coke of granularity a > X >=b, the coke of granularity X >=a, granularity Y >=c, the ore of granularity c > Y >=d, realize crude fuel classification and enter stove.
As preferably: granularity is that the nut coke of b > X >=m can load in mixture into stove with each grade ore, and the ore deposit fourth of granularity d > Y >=n partly or entirely can replace granularity c > Y >=d to enter stove according to practical situation.
As mentioned above, the invention has the beneficial effects as follows: the present invention has grading function under groove, divides into three grades of sieves that shake at groove, once sieve and realize crude fuel simultaneously and divide three grades, needed for two kinds, grade material enters different scale hooper simultaneously, meet Production requirement, processing set-up is succinct, material transfer link under minimizing groove, reduce crushing material rate, reduce construction investment, save production cost, the advantages such as accurate layering batching can be realized.The present invention realizes the classification of blast furnace crude fuel to enter the burnt groove in stove ore deposit and the desirable mode of feeding system.
Accompanying drawing explanation
Fig. 1 is the arrangement schematic diagram of feeding system of the present invention;
Fig. 2 is the sectional drawing of the burnt groove of the present invention wherein a kind of decoration form;
Fig. 3 is the sectional drawing of ore deposit of the present invention groove wherein a kind of decoration form.
Piece mark explanation
1 burnt groove body
2 ore deposit groove bodies
3 three grades, coke shake sieve
4 first scale hoopers
5 second scale hoopers
6 first frequency conversion batching feeding machines
7 second frequency conversion batching feeding machines
8 return burnt conveyor drive
9 major ingredient conveyor drives
10 three grades, ores shake sieve
11 the 3rd scale hoopers
12 the 4th scale hoopers
13 the 3rd frequency conversion batching feeding machines
14 the 4th frequency conversion batching feeding machines
15 return mine conveyor drive
16 first chutes
17 second chutes
18 the 3rd chutes
19 the 4th chutes
20 the 5th chutes
21 the 6th chutes
Embodiment
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this specification sheets can understand other advantages of the present invention and effect easily.
As depicted in figs. 1 and 2, the burnt groove feeding system in ore deposit of classification under a kind of groove, comprise ore deposit groove body 2 and burnt groove body 1, feeding machine is provided with below ore deposit groove body 2 and burnt groove body 1, be provided with three grades, coke below burnt groove body 1 to shake sieve 3, first scale hooper 4, second scale hooper 5, first chute 16, second chute 17 and the 5th chute 20, three grades, the coke discharge port of larger two grades (two namely available stage materials) in sieve 3 that shakes is connected with the first scale hooper 4 and the second scale hooper 5 with the second chute 17 respectively by the first chute 16, first scale hooper 4 and be provided with prepare burden feeding machine 6 and the second frequency conversion of the first frequency conversion between the second scale hooper 5 discharge port and major ingredient conveyor drive 9 and prepare burden feeding machine 7, if the first frequency conversion batching feeding machine 6 is for being given to major ingredient conveyor drive 9 according to quantity by material, realize preparing burden by demand batch weight, 5th chute 20 be connected to return burnt conveyor drive 8 and three grades, coke shake minimum grade in sieve 3 discharge port between, and then returning burnt system recoveries nut coke.
Equally as shown in figures 1 and 3, be provided with three grades, ore below ore deposit groove body 2 to shake sieve 10, the 3rd scale hooper 11, the 4th scale hooper 12, the 3rd chute 18, the 4th chute 19 and the 6th chute 21, three grades, the ore discharge port of larger two grades (two namely available stage materials) in sieve 10 that shakes is connected with the 3rd scale hooper 11 and the 4th scale hooper 12 with the 4th chute 19 respectively by the 3rd chute 18, the 3rd scale hooper 11 and be provided with prepare burden feeding machine 13 and the 4th frequency conversion of the 3rd frequency conversion between the 4th scale hooper 12 discharge port and major ingredient conveyor drive 9 and prepare burden feeding machine 14; 6th chute 21 be connected to return mine conveyor drive 15 and three grades, ore shake minimum grade in sieve 10 discharge port between, and then in system recoveries ore deposit fourth of returning mine.
Cell body divides into three grades of sieves that shake, the chute of sieve arranged beneath two scale hoopers corresponding sieve two grades of shaking respectively of shaking, and namely three grades of upper two available stage materials of the sieve that shakes enter the scale hooper of two grades respectively simultaneously through chute.Minus sieve ore deposit or coke breeze enter returning charge conveyor drive system and then reclaim ore deposit fourth or nut coke.Consider different batches crude fuel size range rate fluctuations, scale hooper volume suitably does greatly, and scale hooper divide into frequency conversion batching feeding machine material is given to major ingredient conveyor drive 9 according to quantity, carry out preparing burden by demand batch weight.
Three grades, coke sieve 3 partition size of shaking is a and b, and namely classification of coke is: granularity X >=a, a > X >=b, X < b, wherein two kinds of grades of X >=a and a > X >=b coke needed for blast furnace.Three grades, ore sieve 10 partition size of shaking is c and d, and namely ore classification is: granularity Y >=c, c > Y >=d, Y < d, wherein two kinds of grades of Y >=c and c > Y >=d ore needed for blast furnace.Two kinds of granularity X >=a and a > X >=b of qualified coke enters the first scale hooper 4 and the second scale hooper 5, Y < b simultaneously and enters and return burnt conveyor drive 8 and reclaim nut coke.Two kinds of granularity Y >=c and the c > Y >=d of qualified ore enters the 3rd scale hooper 11 and the 4th scale hooper 12, Y < d simultaneously and enters conveyor drive 15 of returning mine and reclaim ore deposit fourth.
The present invention also provides the ore deposit burnt groove material loading technique of classification under a kind of groove, is specially:
After burnt groove body 1 time coke scale hooper discharge terminates, three grades of sieve 3 actions of shaking of corresponding burnt groove body 1 time coke are to its feed supplement, coke is classified to X >=a simultaneously, a > X >=b, X < b tri-kinds of grades, X >=a enters the first scale hooper 4 and stores and weigh, and a > X >=b enters the second scale hooper 5 and stores and weigh, and X < b reclaims nut coke through returning burnt conveyor drive 8; Under groove, ore scale hooper discharge terminates 2 times three grades of sieve 10 actions of shaking of rear corresponding ore deposit groove body to its feed supplement, ore is classified to Y >=c simultaneously, c > Y >=d, Y < d tri-kinds of grades, Y >=c enters the 3rd scale hooper 11 and stores and weigh, c > Y >=d enters the 4th scale hooper 12 and stores and weigh, and Y < d reclaims ore deposit fourth through conveyor drive 15 of returning mine.
When obtaining blast furnace and will expecting signal, the second frequency conversion batching feeding machine 7 that follow procedure is selected under certain several each burnt groove body 1 second scale hooper 5 works simultaneously, the coke realizing granularity a > X >=b in each burnt groove body 1 second scale hooper 5 divides stacked material to major ingredient conveyor drive 9, during this kind of granularity to be achieved (a > X >=b) coke demand batch weight, the second scale hooper 5 times second frequency conversion batching feeding machine 7 quits work; (determined by blast furnace roof) after certain interval of time, the first frequency conversion batching feeding machine 6 that finger follow procedure is selected under certain several burnt groove body 1 first scale hooper 4 works simultaneously, the coke realizing granularity X >=a in each burnt groove body 1 first scale hooper 4 divides stacked material to major ingredient conveyor drive 9, this kind of granularity to be achieved is (during the coke demand batch weight of X >=a), first frequency conversion batching feeding machine 6 of the first scale hooper 4 quits work, and then completes the batching of each grade coke.
When coke material loading complete and certain interval of time after (being determined by blast furnace roof), the 3rd frequency conversion batching feeding machine 13 that follow procedure is selected under certain several ore deposits groove body 2 the 3rd scale hooper 11 works simultaneously, the ore realizing each ore deposit groove body 2 the 3rd scale hooper 11 granularity Y >=c divides stacked material to major ingredient conveyor drive 9, during this kind of granularity (Y >=c) demand on ore weight to be achieved, the 3rd frequency conversion batching feeding machine 13 under the 3rd scale hooper 11 quits work; (determined by blast furnace roof) after certain interval of time again, the 4th frequency conversion batching feeding machine 14 that follow procedure is selected under certain several ore deposits groove body 2 the 4th scale hooper 12 works simultaneously, the ore realizing granularity c > Y >=d in groove body 2 the 4th scale hooper 12 of each ore deposit divides stacked material to major ingredient conveyor drive 9, during this kind of granularity to be achieved (c > Y >=d) demand on ore weight, 4th scale hooper 12 times the 4th frequency conversion batching feeding machine 14 quits work, and completes the batching of each grade ore.
After above coke and ore discharge program, on major ingredient conveyor drive 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 by both definite sequences, thus realize the object that crude fuel classification enters stove.
In addition, the coke of recovery is divided into b > X >=m, X < m two kinds of granularities, and the ore after recovery is divided into d > Y >=n, Y < n two kinds of granularities; The coke breeze of X < m enters coke breeze warehousing and deposits; The fine ore of Y < n enters fine ore bin storage.D > Y >=n ore deposit fourth and b > X >=m nut coke can be recycled by certain reinforced system, if granularity is can load in mixture into stove with each grade ore after the coke nut recovery of b > X >=m, the ore deposit fourth of granularity d > Y >=n can partly or entirely replace the ore of granularity c > Y >=d to enter stove.Not emphasis of the present invention so no longer describe.
The present invention compared with prior art, adopts three grades of sieves that shake, directly crude fuel is divided into three grades, decrease the running number of times of raw material, simplify sieving circuit.Coke or ore, after classification, are directly stored in scale hooper, obtain blast furnace when will expect signal, then divide stacked material to deliver to blast furnace to major ingredient conveyor drive 9 respectively by required batch weight under groove.The transport process that the material avoided in traditional technology after classification is sent into before blast furnace is again more, easily causes the problem of crushing material.Agglomerate in traditional technology after screening is transported in storage tanks through conveyor drive and stores, and when blast furnace needs agglomerate, the discharge end of storage tanks is opened, and varigrained agglomerate is delivered to blast furnace roof respectively by two conveyor drives.Under groove of the present invention, classification and material loading technique are relatively easier, ore after screening or coke are directly stored in scale hooper, decrease conveyor drive and be transported to this process of storage tanks, and scale hooper can weigh the product after screening, can by real needs to blast furnace feeding.Be compared with the prior art, material transfer link under groove can be reduced, reduce crushing material rate, reduce construction investment, save production cost.
Wherein the raw material simultaneously discharge of material mainly different scale hooper is fallen in layering, reaches the different material layering superposition of globule size of the same race, and then well-mixed object.Particularly for ore, the variform raw material of grade size tool of the same race.As can realize the agglomerate of globule size of the same race, pellet and massive etc. respectively by multiple scale hooper simultaneously discharge to major ingredient conveyor drive, make that there is plurality of raw materials in the same conveying cross section of major ingredient conveyor drive, and then raw material was fully mixed before entering in stove.
Above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, and any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or change.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. the burnt groove feeding system in the ore deposit of classification under a groove, it is characterized in that: comprise the burnt groove body in ore deposit, major ingredient conveyor drive and returning charge conveyor drive, three grades of screening plants are provided with below the burnt groove body in described ore deposit, be provided with two scale hoopers corresponding respectively to three grades of larger two grades of screening plant below three grades of screening plants, two scale hoopers are connected respectively by the discharge port of two magazine chutes with three grades of larger two grades of screening plant; Two scale hooper discharge ports are provided with the batching feeding machine for material being given to according to quantity major ingredient conveyor drive; The discharge port of described three grades of minimum grades of screening plant is connected to returning charge conveyor drive by another chute, for reclaiming nut coke or ore deposit fourth.
2. the burnt groove feeding system in the ore deposit of classification under a kind of groove according to claim 1, it is characterized in that: the burnt groove body in described ore deposit comprises ore deposit groove body and burnt groove body, feeding machine is provided with above ore deposit groove body and burnt groove body, be provided with three grades, coke below described burnt groove body to shake sieve, first scale hooper, second scale hooper, first chute, second chute and the 5th chute, during three grades, described coke shakes and sieves, the discharge port of larger two grades is connected with the first scale hooper and the second scale hooper with the second chute respectively by the first chute, first scale hooper and be provided with frequency conversion between the second scale hooper discharge port and major ingredient conveyor drive and prepare burden feeding machine, described 5th chute be connected to return burnt conveyor drive and three grades, coke shake minimum grade in sieve discharge port between.
3. the burnt groove feeding system in the ore deposit of classification under a kind of groove according to claim 2, it is characterized in that: be provided with three grades, ore below the groove body of described ore deposit and shake sieve, the 3rd scale hooper, the 4th scale hooper, the 3rd chute, the 4th chute and the 6th chute, three grades, the described ore discharge port of larger two grades in sieve that shakes is connected with the 3rd scale hooper and the 4th scale hooper with the 4th chute respectively by the 3rd chute, the 3rd scale hooper and be provided with frequency conversion between the 4th scale hooper discharge port and major ingredient conveyor drive and prepare burden feeding machine; Described 6th chute be connected to return mine conveyor drive and three grades, ore shake minimum grade in sieve discharge port between.
4. the burnt groove feeding system in the ore deposit of classification under a kind of groove according to claim 3, it is characterized in that: be respectively arranged with the first frequency conversion batching feeding machine and the second frequency conversion batching feeding machine below described first scale hooper and the second scale hooper, described first frequency conversion batching feeding machine and the second frequency conversion batching feeding machine can feed into major ingredient conveyor drive simultaneously; Described 3rd scale hooper and the 4th scale hooper and below are respectively arranged with the 3rd frequency conversion batching feeding machine and the 4th frequency conversion batching feeding machine, and the 3rd frequency conversion batching feeding machine and the 4th frequency conversion batching feeding machine can feed into major ingredient conveyor drive simultaneously.
5. the ore deposit burnt groove material loading technique of classification under a groove, comprise the burnt groove feeding system in ore deposit of classification under a kind of groove described in Claims 1-4 any one, it is characterized in that: the material in the burnt groove body in ore deposit is classified into the three kinds of grades varied in size through three grades of screening plants, wherein the material of larger two kinds of grades is two available stage materials, and the material of minimum grade is the material needing to reclaim; Two available stage materials enter scale hooper corresponding to larger two kinds of grades by corresponding chute, according to blast furnace demand, by the frequency conversion batching feeding machine of correspondence, two available stage materials are given to major ingredient conveyor drive, then deliver to blast furnace by main conveyor drive; Need the material reclaimed to deliver to returning charge conveyor drive by another chute and reclaim nut coke or ore deposit fourth.
6. the ore deposit burnt groove material loading technique of classification under a kind of groove according to claim 5, it is characterized in that: three grades of screening plant partition sizes below burnt groove body are a and b, namely classification of coke is: granularity X >=a, a > X >=b, X < b, wherein two kinds of grades of X >=a and a > X >=b coke needed for blast furnace; Three grades of screening plant partition sizes below the groove body of ore deposit are c and d, namely ore classification is: granularity Y >=c, c > Y >=d, Y < d, wherein two kinds of grades of Y >=c and c > Y >=d ore needed for blast furnace; Two kinds of granularity X >=a and a > X >=b of qualified coke enters the first scale hooper and the second scale hooper simultaneously, and the coke of granularity X < b enters and returns burnt conveyor drive recovery nut coke; Two kinds of granularity Y >=c and the c > Y >=d of qualified ore enters the 3rd scale hooper and the 4th scale hooper simultaneously, and the ore of granularity Y < d enters conveyor drive of returning mine and reclaims ore deposit fourth.
7. the ore deposit burnt groove material loading technique of classification under a kind of groove according to claim 6, it is characterized in that: the material loading technique of coke is, when obtaining blast furnace and will expecting signal, frequency conversion batching feeding machine under each burnt groove body second scale hooper of specifying works simultaneously, in each burnt groove body second scale hooper, the coke of granularity a > X >=b divides stacked material to major ingredient conveyor drive, during this kind of granularity coke demand batch weight to be achieved, the frequency conversion batching feeding machine of the second scale hooper quits work; After the setting-up time of interval, frequency conversion batching feeding machine under each burnt groove body first scale hooper of specifying works simultaneously, in each burnt groove body first scale hooper, the coke of granularity X >=a divides stacked material to major ingredient conveyor drive, during this kind of granularity coke demand batch weight to be achieved, first scale hooper down coversion batching feeding machine quits work, and completes the batching of each grade coke.
8. the ore deposit burnt groove material loading technique of classification under a kind of groove according to claim 6, it is characterized in that: the material loading technique of ore is, coke material loading complete and certain interval of time after, frequency conversion batching feeding machine under selected ore deposit groove body the 3rd scale hooper works simultaneously, the ore of each ore deposit groove body the 3rd scale hooper granularity Y >=c divides stacked material to major ingredient conveyor drive, during this kind of granularity demand on ore batch weight to be achieved, the frequency conversion batching feeding machine under the 3rd scale hooper quits work; Again after certain interval of time, selected ore deposit groove body the 4th scale hooper down coversion batching feeding machine works simultaneously, in groove body the 4th scale hooper of each ore deposit, the ore of granularity c > Y >=d divides stacked material to major ingredient conveyor drive, during this kind of granularity demand on ore batch weight to be achieved, 4th scale hooper down coversion batching feeding machine quits work, and completes the batching of each grade ore.
9. the ore deposit burnt groove material loading technique of classification under a kind of groove according to claim 6, it is characterized in that: on described major ingredient conveyor drive, each grade ore and coke material loading order are: the ore of the coke of granularity a > X >=b, the coke of granularity X >=a, granularity Y >=c, the ore of granularity c > Y >=d, realize crude fuel classification and enter stove.
10. the ore deposit burnt groove material loading technique of classification under a kind of groove according to claim 6, it is characterized in that: the coke of recovery is divided into b > X >=m, X < m two kinds of granularities, granularity is load in mixture into stove with each grade ore after the coke nut recovery of b > X >=m, and the coke breeze of X < m enters coke breeze warehousing and deposits; Ore after recovery is divided into d > Y >=n, Y < n two kinds of granularities, the ore deposit fourth of granularity d > Y >=n partly or entirely replaces the ore of granularity c > Y >=d to enter stove, and the fine ore of Y < n enters fine ore bin storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510510957.5A CN105002320B (en) | 2015-08-19 | 2015-08-19 | The ore deposit Jiao's groove feeding system being classified under a kind of groove and feeding technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510510957.5A CN105002320B (en) | 2015-08-19 | 2015-08-19 | The ore deposit Jiao's groove feeding system being classified under a kind of groove and feeding technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105002320A true CN105002320A (en) | 2015-10-28 |
| CN105002320B CN105002320B (en) | 2017-04-05 |
Family
ID=54375181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510510957.5A Active CN105002320B (en) | 2015-08-19 | 2015-08-19 | The ore deposit Jiao's groove feeding system being classified under a kind of groove and feeding technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105002320B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803142A (en) * | 2016-05-11 | 2016-07-27 | 武汉钢铁股份有限公司 | Grading ore-coke mixed charging method for large blast furnace |
| 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 |
| CN107287373A (en) * | 2017-06-30 | 2017-10-24 | 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 |
| CN111020085A (en) * | 2020-01-03 | 2020-04-17 | 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 |
| CN112522460A (en) * | 2020-11-18 | 2021-03-19 | 山东钢铁集团日照有限公司 | Method for adjusting airflow distribution by spreading blast furnace burden |
| CN113136466A (en) * | 2021-04-15 | 2021-07-20 | 鞍钢股份有限公司 | Material distribution method for realizing graded charging of coke by using existing equipment |
| CN113416807A (en) * | 2021-05-25 | 2021-09-21 | 鞍钢股份有限公司 | Charging method for improving air permeability in large-scale blast furnace |
| CN113564288A (en) * | 2021-07-28 | 2021-10-29 | 德龙钢铁有限公司 | Control method for lower vibrating screen of blast furnace trough |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007051306A (en) * | 2005-08-15 | 2007-03-01 | Jfe Steel Kk | Method for charging raw material into blast 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 |
| KR20110046657A (en) * | 2009-10-29 | 2011-05-06 | 현대제철 주식회사 | Apparatus and method for controlling screening device of powder sintered ore or powdered coke for shaft furnace |
| CN102061347A (en) * | 2011-01-26 | 2011-05-18 | 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 |
-
2015
- 2015-08-19 CN CN201510510957.5A patent/CN105002320B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007051306A (en) * | 2005-08-15 | 2007-03-01 | Jfe Steel Kk | Method for charging raw material into blast furnace |
| KR20110046657A (en) * | 2009-10-29 | 2011-05-06 | 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 |
| CN102061347A (en) * | 2011-01-26 | 2011-05-18 | 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 |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803142A (en) * | 2016-05-11 | 2016-07-27 | 武汉钢铁股份有限公司 | Grading ore-coke mixed charging method for large blast furnace |
| 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 |
| CN107287373A (en) * | 2017-06-30 | 2017-10-24 | 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 |
| 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 |
| CN109019079B (en) * | 2018-08-28 | 2024-04-30 | 河南省德耀节能科技股份有限公司 | Material conveying 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 |
| CN111020085A (en) * | 2020-01-03 | 2020-04-17 | 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 |
| 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 |
| CN112522460A (en) * | 2020-11-18 | 2021-03-19 | 山东钢铁集团日照有限公司 | Method for adjusting airflow distribution by spreading blast furnace burden |
| CN113136466A (en) * | 2021-04-15 | 2021-07-20 | 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 |
| CN113416807A (en) * | 2021-05-25 | 2021-09-21 | 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 |
| CN113564288A (en) * | 2021-07-28 | 2021-10-29 | 德龙钢铁有限公司 | Control method for lower vibrating screen of blast furnace trough |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105002320B (en) | 2017-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105002320A (en) | Ore and coke tank feeding system and technology capable of realizing classification below tank | |
| CN101736099B (en) | Secondary treatment system for steel slag and method thereof | |
| CN104911291A (en) | Blast furnace multiple-material preparation system and method in concentrated weighing mode | |
| CN104988261A (en) | Blast furnace belt feeding system and material list setting method thereof | |
| CN204874577U (en) | Burnt groove in hierarchical ore deposit feeding system under groove | |
| CN201695054U (en) | Screening and weighing device under blast furnace trough | |
| CN102041333B (en) | Blast furnace material loading process for realizing 3-grade or 4-grade charging of sinter ore | |
| CN111286574A (en) | Blast furnace ore coke groove auxiliary raw material feeding system and using method thereof | |
| CN208661361U (en) | A kind of SJCM apparatus for treating steel slags | |
| CN202498022U (en) | System for screening and recycling blast furnace return ore | |
| CN103143295B (en) | Lime briquetting production line | |
| CN103344118A (en) | Non-blast furnace iron making device feeding system and method | |
| CN108855547B (en) | Stone crushing, screening, sand making and dust removing integrated production system | |
| CN106399611A (en) | Compact type blast furnace material supplying system capable of centrally weighing crude fuel | |
| CN111020085B (en) | Feeding unit with parallel under-tank screening and discharging, ore coke tank feeding system and method | |
| CN201596616U (en) | Iron alloy burdening screening device | |
| CN102826319B (en) | Stock yard | |
| CN102746913A (en) | Moulding method of moulded coal used for smelting-reduction ironmaking | |
| CN204752774U (en) | Concentrate many material kind of systems of prepareeing material of blast furnace of weighing under mode | |
| CN212051499U (en) | Blast furnace ore deposit coke groove auxiliary raw materials feeding system | |
| CN114713596A (en) | Production method for co-processing of construction waste and mine waste rock | |
| CN108855545B (en) | Stone crushing and screening integrated production system | |
| CN210080112U (en) | Phosphorite look selects system | |
| CN109335597A (en) | Feeding system under a kind of mine coke slot and slot | |
| CN209338588U (en) | The compact blast furnace feeding system of truck feeding, recyclable sinter fourth and nut coke |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |