CN205926067U - Iron ore beneficiation system of pelletizing, two products of sintering - Google Patents
Iron ore beneficiation system of pelletizing, two products of sintering Download PDFInfo
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- CN205926067U CN205926067U CN201620958296.2U CN201620958296U CN205926067U CN 205926067 U CN205926067 U CN 205926067U CN 201620958296 U CN201620958296 U CN 201620958296U CN 205926067 U CN205926067 U CN 205926067U
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Abstract
The utility model belongs to the technical field of the iron ore ore dressing, concretely relates to iron ore beneficiation system of pelletizing, two products of sintering. The utility model discloses a does iron ore beneficiation system of pelletizing, two products of sintering include one section ball -milling swirler group, two -stage process ball -milling swirler group, one section magnet separator, two -stage process magnet separator and conversion equipment, conversion equipment are spill pipes of installation on the first overflow pipe between one section swirler group and first overflow pulp distributor, the spill pipe terminal be connected with second overflow pulp distributor, install first switching stop valve on first overflow pipe, install second switching stop valve on the spill pipe. When the smart powder of iron is used with indisputable smart powder with the production sintering to the production pelletizing, through conversion equipment control system. The utility model discloses the most frequently used energy -saving stage grinding that can put the smart powder of pelletizing iron into production selects to switch over on the basis of other technology and becomes the sintering deposit production technology in the stage, switches over the adaptability of technology and wide and reduced the investment.
Description
Technical field
The utility model belongs to iron ore beneficiation technical field, especially relates to a kind of pelletizing, the Iron Mine of sintering two products
Ore deposit system and technique.
Background technology
Current pellet and sintering deposit are two kinds of primary raw materials of ironmaking, and sintering is to become fine particle powder-form material by reaction
Become lump material, pelletizing is that by reaction, fine particle powder-form material is become bulk material.General pelletizing requires raw material, and (ore dressing plant is given birth to
Produce Iron concentrate) fine size, grade -200 mesh (- 74 μm) necessary >=80%, specific surface area 1500～2000cm2/ g, or even
Higher.And it is thicker to sinter desired particle size, -150 mesh grades 40～50%.Pelletizing is required relatively with raw material granularity as can be seen from above
Carefully, reference area requirement is larger, and raw material for sintering then more adapts to coarsely graded raw material.Pellet little relative to sintering deposit granularity and
The uniformly improvement of more favourable breathability of stock column for blast furnace and the distribution of stock column, but its reduction swellability is higher than sintering deposit, so
Pellet and sintering deposit cut both ways, but overall pellet performance is more excellent, thus pelletizing is also higher with Iron concentrate price.But
See on mineral processing production, pelletizing Iron concentrate grinding particle size is also thinner, investment and energy consumption are also high, and pelletizing Iron concentrate and burning on market
The price of knot Iron concentrate and demand also fluctuate continuous.So considering with selling market from economic benefit,
What a ore dressing plant pelletizing and sintering Iron concentrate can produce, and to adapt to the market being continually changing, make maximizing the benefits.And work as
Front iron ore beneficiating factory all can only produce the Iron concentrate meeting pelletizing or sintering one of which demand substantially, and this is accomplished by us and opens
It is applied widely to send out technique a kind of, can simple and quick switching in the production technology of pelletizing Iron concentrate and sintering Iron concentrate
, the pelletizing of compact conformation, the iron ore beneficiation technique of sintering two products.
Content of the invention
The problem existing for prior art, the utility model provides a kind of pelletizing, the iron ore beneficiation system of sintering two products
System and ore-dressing technique, have that technique is applied widely, can letter in the production technology of pelletizing Iron concentrate and sintering Iron concentrate
Singly it is switched fast, the advantage of compact conformation.
Pelletizing of the present utility model, the iron ore beneficiation system of sintering two products include one section of ball milling-cyclone group, two sections of balls
Mill-cyclone group, a stage magnetic separator, two stage magnetic separator and conversion equipment；
Wherein said one section of ball milling-cyclone group includes one section of ball mill and one section of cyclone group, and one section of ball mill leads to
Cross the first pump pond and the first pump to be connected with one section of cyclone group, the sand setting outlet of one section of cyclone group is connected shape with one section of ball mill
Become closed circuit, the overflow outlet of one section of cyclone group is connected with the first overflow pulp distributor by the first overflow pipe, the first overflow
Pulp distributer is connected with a stage magnetic separator, and the concentrate outlet of a stage magnetic separator is connected with the second pump pond；
Described two sections of ball millings-cyclone group includes two sections of ball mills and two sections of cyclone groups, and two sections of ball mills pass through the
Two pump ponds and the second pump are connected with two sections of cyclone groups, and the outlet of two sections of cyclone group sand settings and two sections of ball millings and being connected to form close
Road, overflow outlet is connected with the second pulp distributer by the second overflow pipe, and the second pulp distributer is connected with two stage magnetic separator；
Described conversion equipment is on the first overflow pipe between one section of cyclone group and the first overflow pulp distributor
One spill pipe is installed, described spill pipe end is connected with the second overflow pulp distributor, the first overflow pipe is pacified
Equipped with the first switching stop valve, the second switching stop valve is provided with spill pipe.
Wherein, one section of described cyclone group and two sections of cyclone groups are arranged on same podium level；Described first
Overflow pulp distributor is arranged close on cyclone group mounting platform with the second overflow pulp distributor.
Carry out the iron ore beneficiation of pelletizing, sintering two products using the iron ore beneficiation system of above-mentioned pelletizing, sintering two products
Method follows the steps below：
When producing pelletizing Iron concentrate, the ore discharge of one section of ball mill feeds one section of eddy flow by the first pump pond and the first pump
Device group, the sand setting gravity flow of one section of cyclone group feeds one section of ball mill and forms closed-circuit system, opens first on the first overflow pipe
Switching stop valve, closes the second switching stop valve on spill pipe, and the overflow of one section of cyclone group passes through the first overflow pipe certainly
Stream feeds the first overflow pulp distributor, then gravity flow feed a stage magnetic separator, a stage magnetic separator magnetic separation obtain one section of mine tailing and
One section of concentrate, wherein one section concentrate feeds the second pump pond, feeds two sections of cyclone groups, the sand setting of two sections of cyclone groups through the second pump
Gravity flow feeds Secondary grinding mill and is formed closed circuit, and the overflow granularity -200 mesh (- 74 μm) of two sections of cyclone groups accounts for the weight of total overflow discharging
Amount >=80%, specific surface area is 1500～2000cm2/ g, overflow feeds the second overflow pulp distribution through the second overflow pipe gravity flow
Device, feeds two stage magnetic separator through the second overflow pulp distributor gravity flow, through two stage magnetic separator magnetic separation, obtains concentrate as production ball
Group's Iron concentrate；
When producing sintering Iron concentrate, the ore discharge of one section of grinding machine feeds one section of cyclone group, one section of eddy flow through the first pump
The sand setting gravity flow of device group feeds one section of ball mill and forms closed circuit, the first switching stop valve on closing the first overflow pipe, opens excessive
The second switching stop valve on stream arm, the granularity -200 mesh (- 74 μm) of one section of cyclone group overflow accounts for total overflow discharging weight
＜ 80%, the overflow of one section of cyclone group feeds the second overflow pulp distributor by spill pipe gravity flow, and then gravity flow feeds
Two stage magnetic separator, through two stage magnetic separator magnetic separation, the concentrate obtaining is as sintering Iron concentrate.
Compared with prior art, feature of the present utility model and beneficial effect are：
(1) technique of the present utility model is producing the most frequently used energy-saving Staged grinding and staged separation of pelletizing Iron concentrate
Switch on the basis of technique and be changed into sintering ore production technology, the wide adaptability of switching technique.
(2) technique of the present utility model passes through simple valve operation i.e. achievable pelletizing Iron concentrate and sintering iron essence
The switching of powder production technology, switching is simple and convenient quick.
(3) the whole switching device of the utility model technique is located at same platform, and is arranged close to, not only operation side
Just, and save the discrepancy in elevation, reduce investment.
Brief description
Fig. 1 is pelletizing of the present utility model, the iron ore beneficiation system schematic of sintering two products；
Wherein：1：One section of ball mill；2：First pump pond；3：First pump；4：One section of cyclone group；5：First overflow pipe；6：
First overflow pulp distributor；7：One stage magnetic separator；8：Second pump pond；9：Two sections of ball mills；10：Two stage magnetic separator；11：Second
Pump；12：Two sections of cyclone groups；13：Second overflow pipe；14：Second overflow pulp distributor；15：Two stage magnetic separator；16：Overflow
Arm；17：First switching stop valve；18：Second switching stop valve.
Specific embodiment
Further illustrate specific embodiment of the present utility model below in conjunction with the accompanying drawings.
As shown in figure 1, the iron ore beneficiation system of pelletizing of the present utility model, sintering two products includes one section of ball milling-eddy flow
Device group, two sections of ball milling-cyclone groups, a stage magnetic separator 7, two stage magnetic separator 15 and conversion equipment；
Wherein said one section of ball milling-cyclone group includes one section of ball mill 1 and one section of cyclone group 4, one section of ball mill 1
It is connected with one section of cyclone group 4 by the first pump pond 2 and the first pump 3, sand setting outlet and one section of ball mill of one section of cyclone group 4
1 connection formation is closed circuit, and the first overflow pipe 5 and the first overflow pulp distributor 6 phase are passed through in the overflow outlet of one section of cyclone group 4
Even, the first overflow pulp distributor 6 is connected with a stage magnetic separator 7, and the concentrate outlet of a stage magnetic separator 7 is connected with the second pump pond 8；
Described two sections of ball millings-cyclone group includes two sections of ball mills 9 and two sections of cyclone groups 12, and two sections of ball mills 9 lead to
Cross the second pump pond 8 and the second pump 11 is connected with two sections of cyclone groups 12, two sections of cyclone group 12 sand settings export and two sections of ball mills 9
It is connected to form closed circuit, overflow outlet is connected with the second overflow pulp distributor 14 by the second overflow pipe 13, the second overflow pulp
Distributor 14 is connected with two stage magnetic separator 10；
Described conversion equipment is the first overflow pipe 5 between one section of cyclone group 4 and the first overflow pulp distributor 6
One spill pipe 16 of upper installation, described spill pipe 16 end is connected with the second overflow pulp distributor 14, overflows first
First switching stop valve 17 is provided with flow tube 5, the second switching stop valve 18 is provided with spill pipe 26.
Wherein, described one section of cyclone group 4 and two sections of cyclone groups 12 are arranged on same podium level；Described
One overflow pulp distributor 6 is arranged close on cyclone group mounting platform with the second overflow pulp distributor 14.
Carry out the iron ore beneficiation of pelletizing, sintering two products using the iron ore beneficiation system of above-mentioned pelletizing, sintering two products
Method follows the steps below：
When producing pelletizing Iron concentrate, the ore discharge of one section of ball mill 1 passes through the first pump pond 2 and the first pump 3 feeds one section
Cyclone group 4, the sand setting gravity flow of one section of cyclone group 4 feeds one section of ball mill 1 and forms closed-circuit system, opens the first overflow pipe 5
On the first switching stop valve 17, close the second switching stop valve 18 on spill pipe 16, the overflow of one section of cyclone group 4 is led to
Cross the first overflow pipe 5 gravity flow and feed the first overflow pulp distributor 6, then gravity flow feeds a stage magnetic separator 7, a stage magnetic separator 7
Magnetic separation obtains one section of mine tailing and one section of concentrate, and wherein one section concentrate feeds the second pump pond 8, feeds two sections of cyclones through the second pump 11
Group 12, the gravity flow of the sand setting of two sections of cyclone groups 12 feed Secondary grinding mill 9 formed closed circuit, the overflow granularity of two sections of cyclone groups 12-
200 mesh (- 74 μm) account for weight >=80% of total overflow discharging, and specific surface area is 1500～2000cm2/ g, overflow is through the second overflow
Pipe 13 gravity flow feeds the second overflow pulp distributor 14, feeds two stage magnetic separator 10 through the second overflow pulp distributor 14 gravity flow,
Through two stage magnetic separator 10 magnetic separation, obtain concentrate as production pelletizing Iron concentrate；
When producing sintering Iron concentrate, the ore discharge of one section of grinding machine 1 feeds one section of cyclone group 4, one section of rotation through the first pump 2
The sand setting gravity flow of stream device group 4 feeds one section of ball mill 1 and forms closed circuit, the first switching stop valve 17 on closing the first overflow pipe 5,
Open the second switching stop valve 18 on spill pipe 16, the granularity -200 mesh (- 74 μm) of one section of cyclone group 4 overflow accounts for always overflows
Flow out material weight ＜ 80%, the overflow of one section of cyclone group 4 is passed through spill pipe 16 gravity flow and fed the second overflow pulp distributor
14, then gravity flow feeds two stage magnetic separator 10, and through two stage magnetic separator 10 magnetic separation, the concentrate obtaining is as sintering Iron concentrate.
Claims (2)
1. a kind of pelletizing, sintering two products iron ore beneficiation system it is characterised in that include one section of ball milling-cyclone group, two sections
Ball milling-cyclone group, a stage magnetic separator, two stage magnetic separator and conversion equipment；
Wherein said one section of ball milling-cyclone group includes one section of ball mill and one section of cyclone group, and one section of ball mill passes through the
One pump pond and the first pump are connected with one section of cyclone group, and the sand setting outlet of one section of cyclone group is connected formation with one section of ball mill and closes
Road, the overflow outlet of one section of cyclone group is connected with the first overflow pulp distributor by the first overflow pipe, the first overflow pulp
Distributor is connected with a stage magnetic separator, and the concentrate outlet of a stage magnetic separator is connected with the second pump pond；
Described two sections of ball millings-cyclone group includes two sections of ball mills and two sections of cyclone groups, and two sections of ball mills pass through the second pump
Pond and the second pump are connected with two sections of cyclone groups, the outlet of two sections of cyclone group sand settings and two sections of ball millings and be connected to form closed circuit, excessive
Flow export is connected with the second pulp distributer by the second overflow pipe, and the second pulp distributer is connected with two stage magnetic separator；
Described conversion equipment is to install on the first overflow pipe between one section of cyclone group and the first overflow pulp distributor
One spill pipe, described spill pipe end is connected with the second overflow pulp distributor, is provided with the first overflow pipe
First switching stop valve, is provided with the second switching stop valve on spill pipe.
2. the iron ore beneficiation system of a kind of pelletizing according to claim 1, sintering two products is it is characterised in that described one
Section cyclone group and two sections of cyclone groups are arranged on same podium level；The first described overflow pulp distributor and second overflows
Stream pulp distributer is arranged close on cyclone group mounting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620958296.2U CN205926067U (en) | 2016-08-26 | 2016-08-26 | Iron ore beneficiation system of pelletizing, two products of sintering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620958296.2U CN205926067U (en) | 2016-08-26 | 2016-08-26 | Iron ore beneficiation system of pelletizing, two products of sintering |
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| CN205926067U true CN205926067U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620958296.2U Expired - Fee Related CN205926067U (en) | 2016-08-26 | 2016-08-26 | Iron ore beneficiation system of pelletizing, two products of sintering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179788A (en) * | 2016-08-26 | 2016-12-07 | 中冶北方（大连）工程技术有限公司 | A kind of pelletizing, the iron ore beneficiation system sintering two products and ore-dressing technique |
-
2016
- 2016-08-26 CN CN201620958296.2U patent/CN205926067U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179788A (en) * | 2016-08-26 | 2016-12-07 | 中冶北方（大连）工程技术有限公司 | A kind of pelletizing, the iron ore beneficiation system sintering two products and ore-dressing technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20200826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |