CN207570317U - A kind of sintering machine Novel air-extracting manifold system - Google Patents
A kind of sintering machine Novel air-extracting manifold system Download PDFInfo
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- CN207570317U CN207570317U CN201721431322.7U CN201721431322U CN207570317U CN 207570317 U CN207570317 U CN 207570317U CN 201721431322 U CN201721431322 U CN 201721431322U CN 207570317 U CN207570317 U CN 207570317U
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Abstract
The utility model discloses a kind of sintering machine Novel air-extracting manifold systems, belong to the system regions of blast furnace ironmaking, it includes main smoking road and several wind box branch pipes being arranged on main smoking road, and the wind box branch pipe is divided into lighting section branch pipe, forepart wind box branch pipe, middle part wind box branch pipe, rear portion wind box branch pipe and tail portion wind box branch pipe；The tube section product of the lighting section branch pipe is accumulated less than the tube section of the tail portion wind box branch pipe；The tube section product of the tail portion wind box branch pipe is accumulated less than the tube section of the forepart wind box branch pipe；The tube section product of the middle part wind box branch pipe is accumulated more than the tube section of the forepart wind box branch pipe；The tube section product of the forepart wind box branch pipe is accumulated equal to the tube section of the rear portion wind box branch pipe；The main smoking road is reducer pipe, is become smaller from described lighting section branch pipe one end to described tail portion wind box branch pipe one end.The utility model can realize jljl material under the conditions of high fever knot economic and technical norms effect.
Description
Technical field
The utility model belongs to the device systems field of blast furnace ironmaking, is related to being sintered exhausting branch diameter control design case neck
Domain, more particularly, to a kind of sintering machine Novel air-extracting manifold system.
Background technology
Sintering process generates high negative pressure for main exhauster exhausting in pipeline, passes through numerous exhausting branch pipe unicom cloth trolleys
Lower bellows, negative pressure cause sintering process to carry out from top to bottom.Pallet charge level by effective wind it is more, caking power is then got over
Greatly.The presently disclosed most exhausting bellows length of sintering machine system design are the same, exhausting branch diameter same (essentially 1
Rice), technological system lacks whole consideration, is not the best-of-breed technology system for meeting sintering process.
Chinese Patent Application No. 201010578187.5, the patent application document in publication date on April 20th, 2011, discloses
The self-loopa of a kind of rear of sintering machine flue gas and tail bellows flue gas utilizes device, it includes trolley, is set above the trolley
There is seal closure, tail portion is provided with dust excluding hood, and multiple bellows are connected with below the trolley, opium is provided with below the bellows
Road, all bellows are connected with large flue, and closed at the top of the dust excluding hood, the seal closure is internally provided with partition board II, every
Seal closure is separated into front and rear two sections by plate II, and seal closure leading portion is closed, and back segment is connected with dust excluding hood, is set inside the large flue
Be equipped with partition board I, large flue is separated into front and rear two sections by partition board I, the large flue leading portion successively with deduster, main exhauster and cigarette
Chimney is connected, and back segment accesses the leading portion of seal closure by pipeline.
Chinese Patent Application No. 201410139685.8, the patent document in publication date on June 25th, 2014, discloses one kind
Sintering machine storey increase design system, feeding device and ignition furnace including sintering pallet, set on trolley front end, set on trolley rear end
Discharge apparatus, set on trolley lower part multiple sintering bellows, with it is each sintering bellows connect flue collector, be connected to flue collector
The main electric precipitator of the port of export, the main exhauster for being connected to the main electric precipitator port of export, the cigarette for being connected to the main exhauster port of export
Desulfurization equipment and chimney, add smoke circulating system, the smoke circulating system by using loop branch pipe respectively with sintering machine
Head, tail portion bellows connection collection ash discharge pipeline, with it is described collect ash discharge pipeline smoke outlet be connected cycle main pipeline, set successively
In the multi-tube dust cleaner on the cycle main pipeline and circulating fan, set on trolley above and with the cycle main pipeline end company
Logical sealing air bells cap composition.The technology of this application is not done in the mating main electric precipitator of the original sintering machine of guarantee, desulphurization system
Transformation in the case of discharged gas fume amount is not increased, is effectively increased sintering machine area, and increase sintering air quantity improves sintering negative pressure, real
Now increase production purpose.
Bellows and the uniform discharge of exhausting branch pipe are connect in the technical solution of above-mentioned two parts of patent application publications with flue, is lacked
Process conditions consider, lead to the problem of exhaust column resistance is big, and caking power is low.
Utility model content
1st, it to solve the problems, such as
The problem of causing caking power low greatly for the resistance of existing exhausting system of sintering machine middle pipe, the utility model provides a kind of
Sintering machine Novel air-extracting manifold system according to sintering operating mode, controls rear and front end wind box branch pipe size, expands excessive moistening layer and exhaust gas
Temperature rise point (BRP) region wind box branch pipe size, has contracting to have expansion to meet best sintering production process requirements in this way, can be similary
Sintering production ability, and then the effect of the high fever knot economic and technical norms under the conditions of realization jljl material are improved under equipment condition.
2nd, technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of sintering machine Novel air-extracting manifold system, including main smoking road and several bellows branch being arranged on main smoking road
Pipe, the wind box branch pipe are divided into lighting section branch pipe, forepart wind box branch pipe, middle part wind box branch pipe, rear portion wind box branch pipe and tail portion
Wind box branch pipe；The tube section product of the lighting section branch pipe is accumulated less than the tube section of the tail portion wind box branch pipe；The tail
The tube section product of portion's wind box branch pipe is accumulated less than the tube section of the forepart wind box branch pipe；The pipe of the middle part wind box branch pipe is cut
The tube section that area is more than the forepart wind box branch pipe accumulates；The forepart wind box branch pipe tube section product be equal to it is described after
The tube section product of portion's wind box branch pipe；The main smoking road is reducer pipe, from described lighting section branch pipe one end to described
Tail portion wind box branch pipe one end becomes smaller.
Preferably, the wind box branch pipe and main smoking road are pipe.
Preferably, the caliber of the lighting section branch pipe is φ 1；The caliber of the forepart wind box branch pipe is φ 2；It is described
Middle part wind box branch pipe caliber be φ 3；The caliber of the rear portion wind box branch pipe is φ 4；The tail portion wind box branch pipe
Caliber is φ 5；Wherein 1 ＜ φ of φ, 5 ＜ φ 2=φ, 4 ＜ φ 3.
Preferably, the caliber of the corresponding part of the main smoking road and the lighting section branch pipe, forepart wind box branch pipe
For φ 6, the caliber with middle part wind box branch pipe corresponding part is φ 7, portion corresponding with rear portion wind box branch pipe and tail portion wind box branch pipe
The caliber divided is φ 8, wherein 6 ＞ φ of φ, 7 ＞ φ 8.
Preferably, φ 1=(0.4-0.6) φ 2；φ 5=(0.6-0.8) φ 2；φ 3=(1.2-1.4) φ 2.
Preferably, it is provided with lighting section branch pipe control valve on the lighting section branch pipe；On the forepart wind box branch pipe
It is provided with forepart branch pipe control valve；Middle part branch pipe control valve is provided on the middle part wind box branch pipe；The rear portion bellows
Rear portion branch pipe control valve is provided on branch pipe；Tail portion branch pipe control valve is provided on the tail portion wind box branch pipe.
Preferably, the lighting section branch pipe, forepart wind box branch pipe, middle part wind box branch pipe, rear portion wind box branch pipe and tail portion
Wind box branch pipe is set from sintering machine head to sintering machine tail portion sequence.
Preferably, the narrow bellows of lighting section correspond to the lighting section branch pipe；Forepart bellows correspond to the forepart bellows branch
Pipe；Middle part bellows correspond to the middle part wind box branch pipe；Tail portion bellows correspond to the rear portion wind box branch pipe and tail portion bellows branch
Pipe.
Preferably, the lighting section branch pipe and forepart wind box branch pipe quantity are three；The middle part wind box branch pipe
Quantity is four；The rear portion wind box branch pipe and tail portion wind box branch pipe quantity is two.
3rd, advantageous effect
Compared with the prior art, the beneficial effects of the utility model are：
(1) the utility model reduces harmful resistance damage, realizes air quantity by process requirements point by wind box branch pipe size Control
Match, and then play main pumping system optimum capacity, be conducive to sintering and improve yield and quality index；
(2) the utility model wind box branch pipe and main smoking road are using pipe, and design is convenient, stable structure；
(3) according to the research to production technology demand in the utility model, keeping, total exhausting branch diameter area is constant
Design premises under, the local differential arrangement of wind box branch pipe before, during and after progress, increase middle part exhausting wind box branch pipe caliber intentionally
Design, wind box branch pipe pipe diameter determing before and after reduction make that additional harmful resistance damage need not be increased considerably in production, realize sintering process
Effective distribution of upper air quantity；
(4) valve more convenient control air volume is set on the utility model wind box branch pipe；
(5) the utility model rationally copes with according to the result of study of each stage demand characteristics of sintering production, optimizes bellows
Caliber reduces system pipes resistance；
(6) it is harmful to and leaks out before and after the utility model reduces, increase intermediate difficult bellows air quantity, Air Volume Optimization distribution improves
Sintering system production capacity；
(7) the utility model advantageously reduces sintering tail portion technique air leak rate of air curtain；
(8) the utility model is simple in structure, reasonable design, easily fabricated.
Description of the drawings
Fig. 1 is that the system of the utility model arranges schematic diagram.
In figure：1st, sintering ignition furnace；2nd, sintering machine head；3rd, the narrow bellows of lighting section；4th, forepart bellows；5th, middle part bellows；
6th, tail portion bellows；7th, sintering machine tail portion；8th, main smoking road；9th, lighting section branch pipe control valve；10th, forepart branch pipe control valve；11st, in
Portion's branch pipe control valve；12nd, rear portion branch pipe control valve；13rd, tail portion branch pipe control valve.
Specific embodiment
Through practical studies, meeting the technological process of best sintering operating mode is：
Forepart ignition phase, perfect condition are to maintain bellows lower negative pressure, and pumping was reduced to the greatest extent in the case of the good fire of point；
Close to middle part stage bellows, surface layer forms the high sintering ore bed of gas permeability, but because lower part excessive moistening layer is most thick, the region
Sintering gas permeability it is worst, corresponding box temperature is minimum, this is also the turning point of sintering temperature controlling curve, this bellows region
Gas permeability situation determines actual sintered final position below, therefore needs Wind Volume as far as possible；
Stage fading away with bed of material excessive moistening layer afterwards, sinter layer is largely formed, and gas permeability increases substantially again, is formed
It is cooled down on machine, is not only unfavorable for sinter strength, but also increase tail portion system air leakage, to reduce charge level air leak rate of air curtain, also preferably control wind
Case exhausting air quantity；
For this purpose, the utility model improves a kind of sintering machine Novel air-extracting manifold system, the principle according to obtained by the studies above
Existing sintering machine exhausting manifold system is improved as follows.
Embodiment 1
As shown in Figure 1, a kind of sintering machine Novel air-extracting manifold system, including sintering machine corresponding with sintering electric fire with improved internal position
Head 2 and sintering machine tail portion 7；
Further include the three lighting section branch pipes sequentially set from sintering machine head 2 to sintering machine tail portion 7, three forepart bellows
Branch pipe, four middle part wind box branch pipes, two rear portion wind box branch pipes and two tail portion wind box branch pipes are set on each wind box branch pipe
One bellows；Specifically, the narrow bellows 3 of lighting section are arranged on the lighting section branch pipe；Forepart bellows 4 be arranged on it is described before
On portion's wind box branch pipe；Middle part bellows 5 are arranged on the middle part wind box branch pipe；Tail portion bellows 6 are arranged on the rear portion wind
On case branch pipe and tail portion wind box branch pipe；
Main smoking road 8 is further included, wind box branch pipe is arranged on main smoking road 8；
Wind box branch pipe and main smoking road 8 described in the present embodiment are pipe；
For example, the caliber of the lighting section branch pipe is φ 1；The caliber of the forepart wind box branch pipe is φ 2；Described
The caliber of middle part wind box branch pipe is φ 3；The caliber of the rear portion wind box branch pipe is φ 4；The pipe of the tail portion wind box branch pipe
Diameter is φ 5；Then 1 ＜ φ of φ, 5 ＜ φ 2=φ, 4 ＜ φ 3；
φ 1=0.5 φ 2 in the present embodiment；φ 5=0.7 φ 2；φ 3=1.3 φ 2, i.e. before the caliber of lighting section branch pipe is
The half of the caliber of portion's wind box branch pipe, design, which is also beneficial to control, in this way reduces gas consumption in ignition；The pipe of tail portion wind box branch pipe
Diameter is 0.7 times of the caliber of forepart wind box branch pipe；The caliber of middle part wind box branch pipe is 1.3 times of the caliber of forepart wind box branch pipe；
And the caliber of forepart wind box branch pipe is equal to the caliber of rear portion wind box branch pipe；
On head, (i.e. lighting section) does not need to high negative pressure section using pipe with small pipe diameter in the present embodiment, advantageously reduces lighting section material
Face is taken out in fact, and convenient for reducing gas consumption in ignition, in tail portion, charge level air leak rate of air curtain high section is convenient for reducing the segment process using pipe with small pipe diameter
It leaks out, improves wind energy and efficiently use；Branch pipe Optimum utilization is reduced adjusts control air quantity by manifold valve, reduces whole system valve
Harmful resistance damage；Branch pipe increases wind energy in sintering stage casing, is conducive to improve entire sintering production ability.
To coordinate with the pipe diameter determing of each wind box branch pipe,
For example, the caliber of the corresponding part of the main smoking road 8 and the lighting section branch pipe, forepart wind box branch pipe is
φ 6 is φ 7 with the caliber of middle part wind box branch pipe corresponding part, part corresponding with rear portion wind box branch pipe and tail portion wind box branch pipe
Caliber for φ 8, then 6 ＞ φ of φ, 7 ＞ φ 8；
Correspondingly, accurately to control air quantity in each wind box branch pipe, lighting section branch pipe is provided on the lighting section branch pipe
Control valve 9；Forepart branch pipe control valve 10 is provided on the forepart wind box branch pipe；It is provided on the middle part wind box branch pipe
Middle part branch pipe control valve 11；Rear portion branch pipe control valve 12 is provided on the rear portion wind box branch pipe；The tail portion bellows branch
Tail portion branch pipe control valve 13 is provided on pipe.
The present embodiment is according to the research to production technology demand, before the design for keeping total exhausting branch diameter area constant
It puts, the differential arrangement of local wind box branch pipe before, during and after progress, increase middle part exhausting wind box branch pipe pipe diameter determing, is reduced intentionally
Front and rear wind box branch pipe pipe diameter determing makes that additional harmful resistance damage need not be increased considerably in production, realizes air quantity in sintering process
Effectively distribution.
The present embodiment is illustrated with attached drawing 1 for object, but the only schematic diagram of attached drawing 1, the setting quantity of each wind box branch pipe
It should be adjusted according to sintering machine area；Sintering machine area is bigger, and wind box branch pipe quantity is more.
Embodiment 2
A kind of sintering machine Novel air-extracting manifold system, it is substantially the same manner as Example 1, the difference is that the bellows branch
Pipe and main smoking road 8 can also be square tubes；
The present embodiment is identical with the design principle of embodiment 1, therefore only needs：The tube section product of the lighting section branch pipe is small
It is accumulated in the tube section of the tail portion wind box branch pipe；The tube section product of the tail portion wind box branch pipe is less than the forepart bellows
The tube section product of branch pipe；The tube section product of the middle part wind box branch pipe is accumulated more than the tube section of the forepart wind box branch pipe；
The tube section product of the forepart wind box branch pipe is accumulated equal to the tube section of the rear portion wind box branch pipe；
The main smoking road 8 is reducer pipe, from described lighting section branch pipe one end to the tail portion wind box branch pipe
One end becomes smaller；
The present embodiment can basically reach the technique effect of embodiment 1.
Claims (9)
1. a kind of sintering machine Novel air-extracting manifold system, including main smoking road (8) and be arranged on main smoking road (8) if on dry-air blast
Case branch pipe, it is characterised in that：The wind box branch pipe is divided into lighting section branch pipe, forepart wind box branch pipe, middle part wind box branch pipe, rear portion
Wind box branch pipe and tail portion wind box branch pipe；The tube section product of the lighting section branch pipe is cut less than the pipe of the tail portion wind box branch pipe
Area；The tube section product of the tail portion wind box branch pipe is accumulated less than the tube section of the forepart wind box branch pipe；The middle part
The tube section product of wind box branch pipe is accumulated more than the tube section of the forepart wind box branch pipe；The tube section of the forepart wind box branch pipe
Product is accumulated equal to the tube section of the rear portion wind box branch pipe；The main smoking road (8) is reducer pipe, from the lighting section
Branch pipe one end becomes smaller to described tail portion wind box branch pipe one end.
2. a kind of sintering machine Novel air-extracting manifold system according to claim 1, it is characterised in that：The wind box branch pipe
It is pipe with main smoking road (8).
3. a kind of sintering machine Novel air-extracting manifold system according to claim 1, it is characterised in that：The lighting section branch
The caliber of pipe is φ 1；The caliber of the forepart wind box branch pipe is φ 2；The caliber of the middle part wind box branch pipe is φ 3；Institute
The caliber of rear portion wind box branch pipe stated is φ 4；The caliber of the tail portion wind box branch pipe is φ 5；Wherein 1 ＜ φ of φ, 5 ＜ φ 2=
4 ＜ φ 3 of φ.
4. a kind of sintering machine Novel air-extracting manifold system according to claim 3, it is characterised in that：The main smoking road
(8) caliber of part corresponding with the lighting section branch pipe, forepart wind box branch pipe is φ 6, portion corresponding with middle part wind box branch pipe
The caliber divided is φ 7, and the caliber of part corresponding with rear portion wind box branch pipe and tail portion wind box branch pipe is φ 8, wherein 6 ＞ φ 7 of φ
＞ φ 8.
5. a kind of sintering machine Novel air-extracting manifold system according to claim 4, it is characterised in that：φ 1=(0.4-0.6)
φ2；φ 5=(0.6-0.8) φ 2；φ 3=(1.2-1.4) φ 2.
6. a kind of sintering machine Novel air-extracting manifold system according to claim 1-5 any one, it is characterised in that：It is described
Lighting section branch pipe on be provided with lighting section branch pipe control valve (9)；Forepart branch management and control is provided on the forepart wind box branch pipe
Valve (10) processed；Middle part branch pipe control valve (11) is provided on the middle part wind box branch pipe；It is set on the rear portion wind box branch pipe
It is equipped with rear portion branch pipe control valve (12)；Tail portion branch pipe control valve (13) is provided on the tail portion wind box branch pipe.
7. a kind of sintering machine Novel air-extracting manifold system according to claim 6, it is characterised in that：The lighting section branch
Pipe, forepart wind box branch pipe, middle part wind box branch pipe, rear portion wind box branch pipe and tail portion wind box branch pipe are from sintering machine head (2) to sintering
Drive end unit (7) sequence is set.
8. a kind of sintering machine Novel air-extracting manifold system according to claim 7, it is characterised in that：The narrow bellows of lighting section
(3) the corresponding lighting section branch pipe；The corresponding forepart wind box branch pipe of forepart bellows (4)；Described in middle part bellows (5) are corresponding
Middle part wind box branch pipe；The corresponding rear portion wind box branch pipe of tail portion bellows (6) and tail portion wind box branch pipe.
9. a kind of sintering machine Novel air-extracting manifold system according to claim 8, it is characterised in that：The lighting section branch
The quantity of pipe is three；The quantity of the tail portion wind box branch pipe is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431322.7U CN207570317U (en) | 2017-11-01 | 2017-11-01 | A kind of sintering machine Novel air-extracting manifold system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431322.7U CN207570317U (en) | 2017-11-01 | 2017-11-01 | A kind of sintering machine Novel air-extracting manifold system |
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| CN207570317U true CN207570317U (en) | 2018-07-03 |
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ID=62692737
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| CN201721431322.7U Active CN207570317U (en) | 2017-11-01 | 2017-11-01 | A kind of sintering machine Novel air-extracting manifold system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631634A (en) * | 2017-11-01 | 2018-01-26 | 马鞍山钢铁股份有限公司 | A kind of sintering machine Novel air-extracting manifold system |
-
2017
- 2017-11-01 CN CN201721431322.7U patent/CN207570317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631634A (en) * | 2017-11-01 | 2018-01-26 | 马鞍山钢铁股份有限公司 | A kind of sintering machine Novel air-extracting manifold system |
| CN107631634B (en) * | 2017-11-01 | 2023-06-23 | 马鞍山钢铁股份有限公司 | Novel exhaust branch pipe system of sintering machine |
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