CN205462695U - Mill of low -intensity reduced iron selects system - Google Patents
Mill of low -intensity reduced iron selects system Download PDFInfo
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- CN205462695U CN205462695U CN201521131201.1U CN201521131201U CN205462695U CN 205462695 U CN205462695 U CN 205462695U CN 201521131201 U CN201521131201 U CN 201521131201U CN 205462695 U CN205462695 U CN 205462695U
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- magnetic separation
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- reduced iron
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- mill
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Abstract
The utility model provides a mill of low -intensity reduced iron selects system belongs to iron powder processing field, and it includes in proper order: broken mechanism makes the thick liquid device, first grinding mechanism, and its low reaches are equipped with a magnetic separation agency, a magnetic separation agency feeds through respectively to spiral classifier and tailing pond, the spiral classifier low reaches are equipped with the second and grind mechanism and chats pond, the second grinds the mechanism low reaches and is equipped with the 2nd magnetic separation agency, the 2nd magnetic separation agency low reaches are provided with the shaking table, the shaking table communicates respectively to chats pond and dehydration mechanism, the dehydration mechanism low reaches are equipped with stoving mechanism and packagine machine constructs, the chats pond is equipped with one and feeds through the discharge gate that grinds the mechanism to the second. This system adopts magnetic separation, heavily selects, hierarchical way of uniting, furthest's reduction indisputable powder impurity content, can obtain the high -quality iron powder of iron content more than 95%.
Description
Technical field
This utility model relates to iron powder and manufactures field, and the mill particularly relating to a kind of low-intensity reduced iron selects system.
Background technology
At present the preparation method of iron-based powder specifically include that atomization, electrolysis, chemical method, polishing,
And steel powder processing method.
Traditional grinding is dependent on the shock of ball mill steel ball, produces impulsive force and shearing force, makes to be ground
Material particles ruptures, deforms, so that raw meal particle size grinds thinner and thinner, obtains corresponding powder.
Having one to be commonly called as " sponge iron " is low-intensity coal based ferrum redactum, in mini porous structures, if as
Raw material production iron-based powder, owing to the mechanical strength of raw material own is relatively low, is then no longer necessary to powerful rushing when grinding
Hit power and shearing force is allowed to rupture.But there is no suitable production equipment.
Utility model content
The mill that the utility model proposes a kind of low-intensity reduced iron selects system, and it uses magnetic separation, gravity treatment, classification
United way, reduces iron powder impurity content, it is possible to obtain the height of iron content more than 95% to greatest extent
Quality iron powder.
The technical solution of the utility model is achieved in that
The mill of a kind of low-intensity reduced iron selects system, and it includes successively according to Raw material processing order:
Crushing mechanism, in order to be broken for granule by low-intensity reduced iron；
Pulp making device, is mixed into ore pulp by low-intensity reduced iron granule and water；
First grinding mechanism, is provided with the first magnetic separation mechanism downstream, and described first magnetic separation mechanism is respectively communicated to
Spiral classifier and tailing pit；
Described spiral classifier downstream is provided with the second grinding mechanism and chats pond；
Described second grinding mechanism downstream is provided with the second magnetic separation mechanism；
Described second magnetic separation mechanism downstream is provided with shaking table；
Described shaking table is respectively communicated to chats pond and dewatering device, and described dewatering device downstream is provided with drying mechanism
And package mechanism；
Described chats pond is provided with a discharging opening being communicated to the second grinding mechanism.
In technique scheme, described crushing mechanism is jaw crusher.
In technique scheme, described first magnetic separation mechanism is two-stage magnetic separation mechanism, including 700 Gausses
Magnetic separator and 1200 Gauss magnetic separators；
The charging aperture of described 700 Gauss magnetic separators connects the first grinding mechanism, and discharging opening is connected to described spiral
Grader, tailing mouth is connected to 1200 Gauss magnetic separators；
The discharging opening of described 1200 Gauss magnetic separators is connected to described spiral classifier, and its tailing mouth is communicated to tail
Material pond.
When specifically producing, the iron powder ground through the first grinding mechanism initially enters 700 Gauss magnetic separators, magnetic separation
The iron powder gone out enters described spiral classifier；And the mine tailing of 700 Gauss magnetic separators enters 1200 Gauss magnetic separators,
The iron powder again magneticly elected converges also into spiral classifier and 700 Gauss iron powders；Described 1200 Gauss magnetic separation
The mine tailing of machine is passed through tailing pit.
In technique scheme, the second magnetic separation mechanism is 400 Gauss magnetic separators.
In technique scheme, described shaking table downstream is also communicated to the 3rd grinding mechanism；
Described 3rd grinding mechanism downstream arranges two-stage screw rinsing mechanism, dewatering device, drying mechanism.
In technique scheme, described first grinding mechanism, the second grinding mechanism, the 3rd grinding mechanism are the most excellent
Choosing uses ball mill.
In technique scheme, described crushing mechanism downstream can also arrange storage low-intensity reduced iron granule
Feed bin.
Compared with prior art, this utility model is to realize, for low-intensity reduced iron, the equipment that scum separates.
The degree of metalization of low-intensity sponge iron is more than 90%, but ferrum crystal grain does not has Overgrowth, therefore intensity low,
Legibility is broken, and therefore ball mill type selecting is not required to too big, on the one hand reduces equipment investment, on the other hand reduces processing
Cost.
This utility model, during iron powder purifies, uses magnetic separation, gravity treatment, the way of graded combination,
Limits reduce iron powder impurity content, it is possible to obtain the high-quality iron powder of iron content more than 95%.
This utility model uses three sections of ball milling designs, each section of ball mill to divide the work clearly, work in coordination, can basis
Raw materials quality situation is adjusted flexibly technological process.On the one hand improve the technological process adaptability to raw material, separately
On the one hand production cost is reduced.
This utility model presses iron powder grade height, is designed with two kinds of specification iron powders, be iron content 95% respectively with
On high-quality iron powder, and the chemical industry iron powder of iron content more than 80%, improve metal and iron powder recovery rate.
Chats pond individually enters back into second segment ball milling, repeatedly grinds choosing, also can further improve chemical industry iron powder
Iron powder quality, increases chemical industry iron powder added value.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments more of the present utility model, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the frame structure schematic diagram that this utility model low-intensity reduced iron mill selects system.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real
Execute example rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into this utility model
The scope of protection.
As it is shown in figure 1, the mill of low-intensity reduced iron of the present utility model selects system, its structure is according to Raw material processing
Order includes successively:
Crushing mechanism, in order to be broken for granule by low-intensity reduced iron；
Pulp making device, is mixed into ore pulp by low-intensity reduced iron granule and water；
First grinding mechanism, is provided with the first magnetic separation mechanism downstream, and described first magnetic separation mechanism is respectively communicated to
Spiral classifier and tailing pit；
Described spiral classifier downstream is provided with the second grinding mechanism and chats pond；
Described second grinding mechanism downstream is provided with the second magnetic separation mechanism；
Described second magnetic separation mechanism downstream is provided with shaking table；
Described shaking table is respectively communicated to chats pond and dewatering device, and described dewatering device downstream is provided with drying mechanism
And package mechanism；
Described chats pond is provided with a discharging opening being communicated to the second grinding mechanism.
In technique scheme, described crushing mechanism is jaw crusher.
In technique scheme, described first magnetic separation mechanism is two-stage magnetic separation mechanism, including 700 Gausses
Magnetic separator and 1200 Gauss magnetic separators；
The charging aperture of described 700 Gauss magnetic separators connects the first grinding mechanism, and discharging opening is connected to described spiral
Grader, tailing mouth is connected to 1200 Gauss magnetic separators；
The discharging opening of described 1200 Gauss magnetic separators is connected to described spiral classifier, and its tailing mouth is communicated to tail
Material pond.
When specifically producing, the iron powder ground through the first grinding mechanism initially enters 700 Gauss magnetic separators, magnetic separation
The iron powder gone out enters described spiral classifier；And the mine tailing of 700 Gauss magnetic separators enters 1200 Gauss magnetic separators,
The iron powder again magneticly elected converges also into spiral classifier and 700 Gauss iron powders；Described 1200 Gauss magnetic separation
The mine tailing of machine is passed through tailing pit.
In technique scheme, the second magnetic separation mechanism is 400 Gauss magnetic separators.
In technique scheme, described shaking table downstream is also communicated to the 3rd grinding mechanism；
Described 3rd grinding mechanism downstream arranges two-stage screw rinsing mechanism, dewatering device, drying mechanism.
In technique scheme, described first grinding mechanism, the second grinding mechanism, the 3rd grinding mechanism are the most excellent
Choosing uses ball mill.
In technique scheme, described crushing mechanism downstream can also arrange storage low-intensity reduced iron granule
Feed bin.
The concrete production process of this system is as follows:
Low-intensity reduced iron is crushed to below 50mm initially with a jaw crusher, loads the material sealed
In storehouse standby.The low-intensity reduced iron granule being crushed to suitable particle size enters pulp making device, in pulp making device
It is sufficiently mixed with water and obtains the ore pulp that concentration is about 10%.Ore pulp enter the first grinding mechanism grinds 10～
20 minutes, low-intensity reduced iron granule basic solution was broken.Solve broken after low-intensity reduced iron enter one 700 high
This magnetic separator, the iron powder magneticly elected enters spiral classifier, and mine tailing enters 1200 Gauss magnetic separators and scans.1200
The iron powder of Gauss magnetic separator magnetic separation converges also into spiral classifier and 700 Gauss iron powders, and its mine tailing enters tail
Tail is thrown in pond, ore deposit.
After iron powder enters spiral classifier rinsing, concentration, from screw classifying chain-drive section out, then rush with clear water
After washing pulping, enter the second grinding mechanism.The mine tailing that spiral classifier afterbody is separated enters chats pond,
Pending.After iron powder grinds 15～20 minutes in the second grinding mechanism, purify further.The ferrum ground
Powder from the second grinding mechanism out after, use 400 Gauss magnetic separators to sort, on the iron powder selected
Shaking table carries out rinsing upgrading.Mine tailing enters chats pond, pending.After iron powder rinses upgrading on shaking table, i.e.
Grade iron powder product more than 95% can be obtained, just can sell after being dehydrated, dry, packing, or enter
Enter next procedure and carry out deep processing.
Mine tailing iron content in chats pond is higher, after more than 80%, picking up, being dehydrated, dry, and can conduct
Chemical industry iron powder is sold；Also can return to second segment ball milling, carry out upgrading and increase iron powder recovery rate.
To reduce the content of its hydrochloric acid insoluble substance of iron powder that shaking table is received further, the 3rd grinder can be entered
Structure processes further.3rd grinding mechanism grind after iron powder, then through two-stage screw rinsing, remove impurity, dehydration,
After drying, the iron powder of standard-required can be met.Its hydrochloric acid insoluble substance content of iron powder through processing can
It is reduced to less than 0.3%.
Compared with prior art, this utility model is to realize, for low-intensity reduced iron, the equipment that scum separates.
The degree of metalization of low-intensity sponge iron is more than 90%, but ferrum crystal grain does not has Overgrowth, therefore intensity low,
Legibility is broken, and therefore ball mill type selecting is not required to too big, on the one hand reduces equipment investment, on the other hand reduces processing
Cost.
This utility model, during iron powder purifies, uses magnetic separation, gravity treatment, the way of graded combination,
Limits reduce iron powder impurity content, it is possible to obtain the high-quality iron powder of iron content more than 95%.
This utility model uses two sections/tri-sections ball milling designs, each section of ball mill to divide the work clearly, work in coordination, can
Technological process is adjusted flexibly according to raw materials quality situation.On the one hand improve the technological process adaptability to raw material,
On the other hand production cost is reduced.
This utility model presses iron powder grade height, is designed with two kinds of specification iron powders, be iron content 95% respectively with
On high-quality iron powder, and the chemical industry iron powder of iron content more than 80%, improve metal and iron powder recovery rate.
Chats pond material individually enters back into second segment ball milling, repeatedly grinds choosing, also can further improve chemical industry
Iron powder iron powder quality, increases chemical industry iron powder added value.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model,
All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all
Within protection domain of the present utility model should be included in.
Claims (5)
1. the mill of a low-intensity reduced iron selects system, it is characterised in that include successively according to Raw material processing order:
Crushing mechanism, in order to be broken for granule by low-intensity reduced iron；
Pulp making device, is mixed into ore pulp by low-intensity reduced iron granule and water；
First grinding mechanism, is provided with the first magnetic separation mechanism downstream, and described first magnetic separation mechanism is respectively communicated to
Spiral classifier and tailing pit；
Described spiral classifier downstream is provided with the second grinding mechanism and chats pond；
Described second grinding mechanism downstream is provided with the second magnetic separation mechanism；
Described second magnetic separation mechanism downstream is provided with shaking table；
Described shaking table is respectively communicated to chats pond and dewatering device, and described dewatering device downstream is provided with drying mechanism
And package mechanism；
Described chats pond is provided with a discharging opening being communicated to the second grinding mechanism.
The mill of low-intensity reduced iron the most according to claim 1 selects system, it is characterised in that:
Described crushing mechanism is jaw crusher.
The mill of low-intensity reduced iron the most according to claim 1 selects system, it is characterised in that:
Described first magnetic separation mechanism is two-stage magnetic separation mechanism, including 700 Gauss magnetic separators and one 1200
Gauss magnetic separator；
The charging aperture of described 700 Gauss magnetic separators connects the first grinding mechanism, and discharging opening is connected to described spiral
Grader, tailing mouth is connected to 1200 Gauss magnetic separators；
The discharging opening of described 1200 Gauss magnetic separators is connected to described spiral classifier, and its tailing mouth is communicated to tail
Material pond.
The mill of low-intensity reduced iron the most according to claim 1 selects system, it is characterised in that:
Second magnetic separation mechanism is 400 Gauss magnetic separators.
The mill of low-intensity reduced iron the most according to claim 1 selects system, it is characterised in that:
Described shaking table downstream is also communicated to the 3rd grinding mechanism；
Described 3rd grinding mechanism downstream arranges two-stage screw and rinses mechanism, and is communicated to dewatering device, drying
Mechanism, package mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521131201.1U CN205462695U (en) | 2015-12-31 | 2015-12-31 | Mill of low -intensity reduced iron selects system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521131201.1U CN205462695U (en) | 2015-12-31 | 2015-12-31 | Mill of low -intensity reduced iron selects system |
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| Publication Number | Publication Date |
|---|---|
| CN205462695U true CN205462695U (en) | 2016-08-17 |
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ID=56661996
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521131201.1U Active CN205462695U (en) | 2015-12-31 | 2015-12-31 | Mill of low -intensity reduced iron selects system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435939A (en) * | 2015-12-31 | 2016-03-30 | 玉溪大红山矿业有限公司 | Grinding and separation system of low-strength reduced iron |
-
2015
- 2015-12-31 CN CN201521131201.1U patent/CN205462695U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435939A (en) * | 2015-12-31 | 2016-03-30 | 玉溪大红山矿业有限公司 | Grinding and separation system of low-strength reduced iron |
| CN105435939B (en) * | 2015-12-31 | 2018-04-27 | 玉溪大红山矿业有限公司 | A kind of mill of low-intensity reduced iron selects system |
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| GR01 | Patent grant |