CN208667800U - The transmitting device of grate-kiln pelletizing roasting technique material - Google Patents
The transmitting device of grate-kiln pelletizing roasting technique material Download PDFInfo
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- CN208667800U CN208667800U CN201821058649.9U CN201821058649U CN208667800U CN 208667800 U CN208667800 U CN 208667800U CN 201821058649 U CN201821058649 U CN 201821058649U CN 208667800 U CN208667800 U CN 208667800U
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- screening
- chute
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- kiln
- hopper
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Abstract
The utility model belongs to metallurgy sintered pelletizing equipment technical field, more particularly, to a kind of transmitting device of grate-kiln pelletizing roasting technique material, including kiln tail seal closure, blanking bucket elevator outside this kiln tail seal closure is set, aggregate bin below grate plate is set, it is characterized in that being provided with screening chute between drying grate and rotary kiln and pouring chute with what this screening chute was connected, the junction of screening chute and drying grate is provided with drying grate material directing plate, screening hopper is provided with below screening chute, screening hopper pipeline I is connected with this screening hopper, returning charge sieving plate is equipped with inside aggregate bin, this returning charge sieving plate is connected by sieving plate returning charge pipeline with material-falling hopper elevator, screening hopper pipeline II is connected in the tail portion of aggregate bin.The utility model can reduce the powder that pellet generates in warm and enter rotary kiln, reduce the too fast needs of ring formation of rotary kiln and shut down cooling number of processing, improve system job rate.
Description
Technical field
The utility model belongs to metallurgy sintered pelletizing equipment technical field, more particularly, to a kind of grate kiln ball
The transmitting device of group's roasting technique material.
Background technique
In domestic existing grate-kiln pelletizing process mine production process, the Gao Yi of rate containing powder is produced in roasting process in pellet
Raw agglomeration, ring formation phenomenon.The generation of this phenomenon in order to prevent, often taking in operation reduces maturing temperature to realize.This
Sample certainly will make pellet roasting that due highest maturing temperature be not achieved, and lead to the decline of finished ball nodulizing intensity.Powder simultaneously
Cooling and further oxidation of the influence roasting ball in cooler more than content.Often it can also encounter that ring formation of rotary kiln is too fast, mistake
Thickness needs to shut down cooling processing ring formation, seriously affects production, increases production cost.It is analyzed according to practice summary, it is one of to produce
Raw ring formation or the too fast blocked up critically important reason of ring formation be exactly into rotary kiln pellet powder it is excessive.Excessive powder enters
Rotary kiln baking not only accelerates to generate ring formation influence production, while also influencing pellet roasting quality in rotary kiln, wastes energy
Source.
The roasting material transmission of existing drying grate and rotary kiln be kiln tail seal closure in, pellet is in drying grate
Moved in grate plate with grate plate, by drying grate preheated one-section, preheating two sections heating after through being overlapped on drying grate shovel flitch,
Big chute, which is directly entered in rotary kiln, to be roasted.Big chute pours for refractory material.
In process of production, this material transferring can generate excessive pellet powder, and pellet powder excessively usually holds
The following two kinds is tended to have to happen:
1, into the excessive pellet that will occur of the content of powder of the pellet of drying grate in drying grate preheated one-section, preheating
Pellet generates hardened in two sections of temperature-rise periods, when hardened pellet strength is really up to the mark, volume is excessive, combs by being overlapped on chain
When shovel flitch in machine grate plate, easily shovel flitch is jacked up, pellet enters rotary kiln without excessive chute but drops into collection
Hopper need to be lifted into rotary kiln by blanking bucket elevator.Blanking bucket elevator promotes the pellet in aggregate bin can will also collect simultaneously
Powder in hopper mentions together also reduces blanking bucket elevator into the amount of powder for into rotary kiln, virtually increasing pellet
Working efficiency；
2, when pellet moisture content is larger, pellet drying grate preheated one-section, preheating two sections of temperature-rise periods in just
Pellet explosion can occur, generate amount of powder, the powder of explosion passes through shovel flitch together with pellet, big chute enters back
Rotary kiln.Powder containing excess rate containing powder easily generates junction circle phenomenon during rotary kiln baking, in order to prevent this phenomenon
Generation, often taking in operation, which reduces maturing temperature, realizes.It certainly will make pellet roasting that due highest be not achieved in this way
Maturing temperature, and lead to the decline of finished ball nodulizing intensity.Reduce the working efficiency of rotary kiln.
Summary of the invention
The purpose of the utility model is to provide a kind of energy saving, reduction production costs, improve the chain comb of pellet quality
Machine-rotary kiln Pelletizing Process material transmitting device.
The purpose of this utility model is realized by following technical proposals:
The transmitting device of the grate-kiln pelletizing roasting technique material of the utility model, including be arranged in rotary kiln
The kiln tail seal closure of tail portion is arranged in the blanking bucket elevator outside this kiln tail seal closure, gathering materials below grate plate is arranged in
Bucket, it is characterised in that be provided with screening chute between drying grate and rotary kiln and slipped with this pouring of being connected of screening chute
Slot is provided with drying grate material directing plate in the junction of the screening chute and the drying grate, in the screening chute
Lower section is provided with screening hopper, is connected with screening hopper pipeline I with this screening hopper, returning charge is equipped with inside the aggregate bin and is sieved
Scoreboard, this returning charge sieving plate is connected by sieving plate returning charge pipeline with the material-falling hopper elevator, in the aggregate bin
Tail portion is connected with screening hopper pipeline II.
The chute that pours is that refractory material pours chute.
The advantages of the utility model:
(1) transmitting device of the grate-kiln pelletizing roasting technique material of the utility model can reduce pellet
The powder generated in warm enters rotary kiln, reduces the too fast needs of ring formation of rotary kiln and shuts down cooling number of processing, mentions
High system job rate；
(2) transmitting device of the grate-kiln pelletizing roasting technique material of the utility model improves pellet and exists
The effect roasted in rotary kiln improves the quality of pellet, reduces production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
Specific embodiment of the present utility model is further illustrated with reference to the accompanying drawing.
As shown in Figure 1, the transmitting device of the grate-kiln pelletizing roasting technique material of the utility model, including set
The kiln tail seal closure 2 in 4 tail portion of rotary kiln is set, the blanking bucket elevator 1 outside this kiln tail seal closure 2 is set, is arranged in drying grate
The aggregate bin 11 of 12 lower section of grate plate, it is characterised in that be provided with screening chute 3 between drying grate and rotary kiln 4 and sieved with this
What chute 3 was connected pours chute 5, and the junction of the screening chute 3 and the drying grate is provided with drying grate material and draws
Guide plate 13 is provided with screening hopper 6 below the screening chute 3, is connected with screening hopper pipeline I with this screening hopper 6
7, inside the aggregate bin 11 be equipped with returning charge sieving plate 10, this returning charge sieving plate 10 by sieving plate returning charge pipeline 9 with it is described
Material-falling hopper elevator 1 be connected, the tail portion of the aggregate bin 12 be connected with screening hopper pipeline II 8.
The chute 5 that pours is that refractory material pours chute.
The transmitting device of the grate-kiln pelletizing roasting technique material of the utility model utilizes existing mature work
Skill equipment increases by two sets of screening powder units, and two sets of screening plants reduce powder and enter rotary kiln 4, effectively controls rotary kiln 4
Ring formation, improve system job rate, while improving the roasting effect of pellet in rotary kiln 4, energy saving reduction production cost；
First set screening powder unit changes the big chute that original pellet refractory material pours drying grate transport device
For by screening chute 3 with pour the two-part chute that chute 5 forms；Original spading plate in grate-kiln is changed to drying grate material to draw
Guide plate 13；After pellet preheats on grate plate 12, leaves on screening chute 3, pass through with the movement of grate plate 12
It pours chute 5 and enters rotary kiln 4, the powder in pellet is dropped into when by sieving chute 3 in screening hopper 6, warp
The separate hopper pipeline I 7 that is sieved recycles；
Second set of screening powder unit is that returning charge sieving plate 10 is added in aggregate bin 11, is heated up in drying grate preheating section
Cheng Zhong, during the powder in pellet and pellet being scattered with the movement of grate plate 12 falls to aggregate bin 11, pelletizing
The returning charge sieving plate 10 that mine will be installed in aggregate bin 11 sifts out, and is defeated by blanking bucket elevator by sieving plate returning charge pipeline 9
1, it is promoted by blanking bucket elevator 1, the pellet return system for falling into aggregate bin 11 is entered into rotary kiln 4, powder will pass through screening
Hopper pipeline II 8 recycles.
By above-mentioned two sets of screenings powder unit, reduce to the greatest extent into the amount of powder in rotary kiln 4, to reduce rotary kiln
The too fast needs of 4 ring formation shut down cooling number of processing, improve the effect that pellet roasts in rotary kiln 4, improve pelletizing
The quality of mine reduces production cost.
Claims (2)
1. a kind of transmitting device of grate-kiln pelletizing roasting technique material, the kiln tail including rotary kiln tail portion is arranged in
Seal closure is arranged in the blanking bucket elevator outside this kiln tail seal closure, the aggregate bin below grate plate is arranged in, and feature exists
In being provided with screening chute between drying grate and rotary kiln and pouring chute with what this screening chute was connected, in the screening
The junction of chute and the drying grate is provided with drying grate material directing plate, is provided with screening below the screening chute
Hopper is connected with screening hopper pipeline I with this screening hopper, returning charge sieving plate, this returning charge sieve is equipped with inside the aggregate bin
Scoreboard is connected by sieving plate returning charge pipeline with the material-falling hopper elevator, is connected with screening in the tail portion of the aggregate bin
Hopper pipeline II.
2. the transmitting device of grate-kiln pelletizing roasting technique material according to claim 1, it is characterised in that institute
The chute that pours stated is that refractory material pours chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821058649.9U CN208667800U (en) | 2018-07-05 | 2018-07-05 | The transmitting device of grate-kiln pelletizing roasting technique material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821058649.9U CN208667800U (en) | 2018-07-05 | 2018-07-05 | The transmitting device of grate-kiln pelletizing roasting technique material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208667800U true CN208667800U (en) | 2019-03-29 |
Family
ID=65826800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821058649.9U Active CN208667800U (en) | 2018-07-05 | 2018-07-05 | The transmitting device of grate-kiln pelletizing roasting technique material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208667800U (en) |
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2018
- 2018-07-05 CN CN201821058649.9U patent/CN208667800U/en active Active
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