CN205774717U - Pellet screening is as the sintering system embedding material - Google Patents
Pellet screening is as the sintering system embedding material Download PDFInfo
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- CN205774717U CN205774717U CN201620644664.6U CN201620644664U CN205774717U CN 205774717 U CN205774717 U CN 205774717U CN 201620644664 U CN201620644664 U CN 201620644664U CN 205774717 U CN205774717 U CN 205774717U
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Abstract
This utility model discloses a kind of pellet screening sintering system as embedding material, including sintering feed Preparation equipment, embeds material acquisition equipment and uniform mixing equipment；Wherein, described sintering feed Preparation equipment includes a trommel mixer and secondary trommel mixer, being provided with conveyor between outlet and the entrance of secondary trommel mixer of a described trommel mixer, the outlet of described secondary trommel mixer is provided with secondary conveyor；The described material acquisition equipment that embeds includes sifter and storehouse of returning mine；Described sifter for return fines material at screening from pellet, described in storehouse of returning mine for preserving return fines material, described in the return mine discharging opening in storehouse be provided with dispensing equipment, the discharging opening of described dispensing equipment connects with described secondary conveyor；The charging aperture of described uniform mixing equipment connects with the delivery end of described secondary conveyor.This utility model improves the permeability of sintering feed；This utility model simple in construction, one-time investment is few.
Description
Technical field
This utility model relates to a kind of Ferrous Metallurgy sintering process and system, specifically pellet screening as embedding material
Sintering system.
Background technology
In Ferrous Metallurgy SINTERING PRODUCTION, if using fine-grained fine iron breeze ratio too high, can be because the bed of material be breathed freely
Property difference and cause Sintering Yield low, simultaneously also as the suction pressure needed is high and cause the power consumption of main exhauster to increase.Solve
Certainly the Normal practice of this problem is to extend the mixing of material, pelletizing total time, and increase has binding agent and activating agent is dual simultaneously
The usage amount of the ripe flux quick lime etc. of effect, to improve mixing, pelletizing effect, improves sintering character.But be intended to extend mixing,
On the one hand pelletizing total time, must increase the specification of equipment, increase investment, the on the other hand optimal mixing of compound, pelletizing are total
Also there is a threshold value time, usually 6～8 minutes, exceedes this time limit value balling-up effect value added and declines rapidly.Additionally, be subject to
Sinter basicity value and the restriction of cost, the maximum usage amount of quick lime is also restrained.
Utility model content
For the problems referred to above, this utility model provides the pellet screening conduct of a kind of permeability improving sinter mixture
Embed the sintering process of material.
In order to achieve the above object, the utility model proposes a kind of pellet screening sintering system as embedding material, including
Sintering feed Preparation equipment, embedding material acquisition equipment and uniform mixing equipment；Wherein,
Described sintering feed Preparation equipment includes a trommel mixer and secondary trommel mixer, described cylinder mixing
Being provided with conveyor between outlet and the entrance of secondary trommel mixer of machine, the outlet of described secondary trommel mixer sets
It is equipped with secondary conveyor；
The described material acquisition equipment that embeds includes sifter and storehouse of returning mine；Described sifter is for returning at screening from pellet
Mineral aggregate, described in storehouse of returning mine for preserving return fines material, described in the return mine discharging opening in storehouse be provided with dispensing equipment, described dispensing equipment
Discharging opening connects with described secondary conveyor；
The charging aperture of described uniform mixing equipment connects with the delivery end of described secondary conveyor.
Further, described secondary conveyor is ribbon conveyer, and the discharging opening of described dispensing equipment is arranged on described band
The top of formula conveyer.
Further, described dispensing equipment includes that sealing-tape machine sets to ore deposit valve and belted electronic balance, the described outlet to ore deposit valve
Putting above described belted electronic balance, the delivery end of described belted electronic balance is arranged on the top of described ribbon conveyer.
Further, described uniform mixing equipment is wheeled mixer, and the outlet of described wheeled mixer is arranged on sintering belt
The top of conveyer, the delivery end of described sintering ribbon conveyer is arranged on above the charge section of sintering machine.
Further, described sifter is provided with the aperture adjusting device of regulation sifter pore size.
Further, the charging aperture of a described trommel mixer and Iron Ore Powder input equipment, flux input equipment and
Fuel input device connects, and described secondary trommel mixer also connects with water supply line and jet chimney.
The pelletizing screened out in Ferrous Metallurgy pelletizing is returned by this utility model pellet screening as the sintering system embedding material
The pellet screening of ore deposit or blast furnace process vibration sieve, as coarseparticulate, is mixed into the sintering being complete mixing, pelletizing uniformly
In compound, because pellet screening has high intensity and low caking property, it is possible to support top material pressure and form phase around
Unconsolidated formation is produced " edge effect ", makes breathability improve.Numerous coarseparticulates are uniformly distributed in the bed of material, are formed and interconnect mutually
The breathability network connect, thus improve the breathability of material generally.
This utility model pellet screening can increase substantially the permeability of sintering feed as the sintering system embedding material,
Reduced investment, instant effect, simple, it is not necessary to special equipment, material and raw material.
This utility model pellet screening utilizes embedding as this sintering technology of pellet screening as the sintering system embedding material
Pan feeding is with low cost, from the horse's mouth.
This utility model pellet screening need not separately build special embedding material workshop as the sintering system embedding material, joint
Save disposable investment.
Accompanying drawing explanation
Fig. 1 is that this utility model pellet screening is embedded as embedding the pellet screening mixed in the sintering process of material
The schematic diagram of sintering feed；
Fig. 2 is this utility model pellet screening structured flowchart as the sintering system embedding material.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model is further described.
Embodiment 1
As in figure 2 it is shown, the present embodiment provides a kind of pellet screening as embedding the sintering system expected, prepare including sintering feed
Equipment, embedding material acquisition equipment and uniform mixing equipment 40；Wherein,
Described sintering feed Preparation equipment includes a trommel mixer and secondary trommel mixer 10, and a described cylinder mixes
Conveyor it is provided with between outlet and the entrance of secondary trommel mixer 10 of conjunction machine, described secondary trommel mixer 10
Outlet is provided with secondary conveyor 30；
The described material acquisition equipment that embeds includes sifter and storehouse 20 of returning mine；Described sifter is for from pellet at screening
Return fines material, described in storehouse 20 of returning mine for preserving return fines material, described in the return mine discharging opening in storehouse 20 be provided with dispensing equipment, described dispensing
The discharging opening of equipment connects with described secondary conveyor 30；
The charging aperture of described uniform mixing equipment 40 connects with the delivery end of described secondary conveyor 30.
As it is shown in figure 1, this utility model pellet screening will sieve in Ferrous Metallurgy pelletizing as the sintering system embedding material
The pellet screening gone out or the pellet screening 2 of blast furnace process vibration sieve as coarseparticulate, be mixed into uniformly be complete mixing,
In the sinter mixture 1 of pelletizing, because pellet screening 2 has high intensity and low caking property, it is possible to support top material 1 pressure and
Form relative loose layer 3 around and produce " edge effect ", make breathability improve.Numerous coarseparticulates are uniformly distributed in the bed of material
In, form interconnective breathability network, thus improve the breathability of material generally.
This utility model pellet screening can increase substantially the permeability of sintering feed as the sintering system embedding material,
Reduced investment, instant effect, simple, it is not necessary to special equipment, material and raw material.
This utility model pellet screening utilizes embedding as this sintering technology of pellet screening as the sintering system embedding material
Pan feeding is with low cost, from the horse's mouth.
This utility model pellet screening need not separately build special embedding material workshop as the sintering system embedding material, joint
Save disposable investment.
Embodiment 2
On the basis of above-described embodiment, described secondary conveyor 30 is ribbon conveyer, the discharging of described dispensing equipment
Mouth is arranged on the top of described ribbon conveyer.
Secondary conveyor 30 is used ribbon conveyer by the present embodiment, owing to the open type that is arranged above of ribbon conveyer is tied
Structure, therefore, return fines material can directly be exported on the sintering feed on ribbon conveyer by dispensing equipment, it addition, ribbon conveyer
Certain mixing effect can be produced, it is possible to save the duration of runs of uniform mixing equipment 40 discharging when.
Embodiment 3
On the basis of above-described embodiment, described dispensing equipment includes that sealing-tape machine is to ore deposit valve 21 and belted electronic balance 22, institute
Stating the outlet to ore deposit valve 21 and be arranged on the top of described belted electronic balance 22, the delivery end of described belted electronic balance 22 is arranged on institute
State the top of ribbon conveyer.
By sealing-tape machine to ore deposit valve 21 and the cooperation of belted electronic balance 22 in the present embodiment, control to return mine the material in storehouse 20
Output speed, the material output speed in the storehouse 20 that makes to return mine keeps uniformly, and so, return fines material and sintering feed are entering uniform mixing equipment 40
The most just can substantially be uniformly distributed, it is possible to reduce the operation time of uniform mixing equipment 40, improve raw tea efficiency.
On the basis of above-described embodiment, according to the difference of technological parameter, it is sometimes necessary to the particle diameter of return fines material have
Change, therefore, it can be provided with the aperture adjusting device of regulation sifter pore size on described sifter.
Embodiment 4
The present embodiment provides a kind of pellet screening as embedding the sintering process of material, prepares including: sintering feed, embeds material and obtain
Must and blending process；
The preparation of described sintering feed includes sintering feed mixed processes and sintering feed granulation process；Wherein,
Described sintering feed mixed processes: add fuel and the flux of powdery in Iron Ore Powder, by Iron Ore Powder, fuel with help
Flux mixes, and forms compound；
Described sintering feed granulation process: add water in described compound, uses steam to preheat compound, by institute
State compound and be prepared as granular sintering feed；
Described embedding expects that acquisition includes that operation preserved by pelletizing feed screening operation and embedding material；Wherein,
Described pelletizing feed screening operation: first carry out the regulation of sieve aperture, screen-aperture is regulated to 5mm, by Ferrous Metallurgy
Pellet under pelletizing or blast furnace process groove sieves, and screens out return fines material；
Operation preserved by the described material that embeds: the transport of described return fines material preserved to pellet screening storehouse；
Described blending process: described sintering feed and described return fines material are delivered to uniform mixing equipment and mix, described in return mine
Expect to be evenly distributed in described sintering feed as embedding material, form the built-in type sintered material of pellet screening.
The pellet screening of the present embodiment is as embedding the sintering process expected, by under Ferrous Metallurgy pelletizing or blast furnace process groove
Pellet sieves, and the smelting that qualified pellet carries out next step produces, and underproof pellet reclaims as embedding
Pan feeding, it is possible to make full use of pellet.
The pelletizing screened out in Ferrous Metallurgy pelletizing, as embedding the sintering process expected, is returned by the pellet screening of the present embodiment
The pellet screening of ore deposit or blast furnace process vibration sieve, as coarseparticulate, is mixed into the sintering being complete mixing, pelletizing uniformly
In compound, as it is shown in figure 1, because pellet screening 2 has high intensity and low caking property, it is possible to support the pressure of top material 1
And form relative loose layer 3 around and produce " edge effect ", make breathability improve.Numerous pellet screenings 2 are uniformly distributed in
In the bed of material 1, form interconnective breathability network, thus improve the breathability of material generally.
The pellet screening that the present embodiment pellet screening utilizes as the sintering process embedding material, the most defective blast furnace smelting
The mini-pellets of refining granularity requirements, is used as recyclable waste material under normal conditions, from the horse's mouth, with low cost,
Also there is the characteristics such as high intensity, dry, iron-holder is high, meet the technology requirement embedding material as sintering.
Above, preferred embodiment the most of the present utility model, but protection domain of the present utility model is not limited thereto, and appoints
What those familiar with the art in the technical scope that this utility model discloses, the change that can readily occur in or replace
Change, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with claim
The protection domain defined is as the criterion.
Claims (6)
1. a pellet screening is as the sintering system embedding material, it is characterised in that: include that sintering feed Preparation equipment, embedding material obtain
Obtain equipment and uniform mixing equipment；Wherein,
Described sintering feed Preparation equipment includes a trommel mixer and secondary trommel mixer, a described trommel mixer
Being provided with conveyor between outlet and the entrance of secondary trommel mixer, the outlet of described secondary trommel mixer is provided with
Secondary conveyor；
The described material acquisition equipment that embeds includes sifter and storehouse of returning mine；Described sifter is for returning mine at screening from pellet
Material, described in storehouse of returning mine for preserving return fines material, described in the return mine discharging opening in storehouse be provided with dispensing equipment, going out of described dispensing equipment
Material mouth connects with described secondary conveyor；
The charging aperture of described uniform mixing equipment connects with the delivery end of described secondary conveyor.
2. the sintering system that pellet screening is expected as embedding as claimed in claim 1, it is characterised in that: described secondary conveyor is
Ribbon conveyer, the discharging opening of described dispensing equipment is arranged on the top of described ribbon conveyer.
3. the sintering system that pellet screening is expected as embedding as claimed in claim 2, it is characterised in that: described dispensing equipment includes
Sealing-tape machine is to ore deposit valve and belted electronic balance, and the described outlet to ore deposit valve is arranged on the top of described belted electronic balance, described electronics
The delivery end of belt conveyer scale is arranged on the top of described ribbon conveyer.
4. the sintering system that pellet screening is expected as embedding as claimed in claim 1, it is characterised in that: described uniform mixing equipment is wheel
Formula mixer, the outlet of described wheeled mixer is arranged on the top of sintering ribbon conveyer, described sintering ribbon conveyer
Delivery end is arranged on above the charge section of sintering machine.
5. the sintering system that pellet screening is expected as embedding as claimed in claim 1, it is characterised in that: arrange on described sifter
There is the aperture adjusting device of regulation sifter pore size.
6. the sintering system that pellet screening is expected as embedding as claimed in claim 1, it is characterised in that: described cylinder mixing
The charging aperture of machine is connected with Iron Ore Powder input equipment, flux input equipment and fuel input device, and described secondary cylinder mixes
Machine also connects with water supply line and jet chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620644664.6U CN205774717U (en) | 2016-06-22 | 2016-06-22 | Pellet screening is as the sintering system embedding material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620644664.6U CN205774717U (en) | 2016-06-22 | 2016-06-22 | Pellet screening is as the sintering system embedding material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205774717U true CN205774717U (en) | 2016-12-07 |
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ID=58130879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620644664.6U Active CN205774717U (en) | 2016-06-22 | 2016-06-22 | Pellet screening is as the sintering system embedding material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886753A (en) * | 2016-06-22 | 2016-08-24 | 中冶华天工程技术有限公司 | System and sintering process taking pellet return fines as embedded materials |
| CN109200933A (en) * | 2018-11-15 | 2019-01-15 | 燕山大学 | Intelligent trommel mixer mixing is granulated production equipment and its production method |
-
2016
- 2016-06-22 CN CN201620644664.6U patent/CN205774717U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886753A (en) * | 2016-06-22 | 2016-08-24 | 中冶华天工程技术有限公司 | System and sintering process taking pellet return fines as embedded materials |
| CN109200933A (en) * | 2018-11-15 | 2019-01-15 | 燕山大学 | Intelligent trommel mixer mixing is granulated production equipment and its production method |
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