CN106524763A - Method for rational distribution of air bellow blast capacity based on negative pressures of pallet air bellows and sintering system with same - Google Patents
Method for rational distribution of air bellow blast capacity based on negative pressures of pallet air bellows and sintering system with same Download PDFInfo
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- CN106524763A CN106524763A CN201610971434.5A CN201610971434A CN106524763A CN 106524763 A CN106524763 A CN 106524763A CN 201610971434 A CN201610971434 A CN 201610971434A CN 106524763 A CN106524763 A CN 106524763A
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- bellows
- negative pressure
- sintering
- pallet
- valve opening
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N3/00—Regulating air supply or draught
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
Abstract
The invention discloses a method for rational distribution of an air bellow blast capacity based on negative pressures of pallet air bellows and a sintering system with the same, wherein a valve and a negative-pressure detection device are disposed on each air bellow of the pallet. The method comprises the steps that (1) negative pressure data of all the air bellows of the pallet is collected; (2) valve apertures of the air bellows on the pallet are adjusted, so that negative pressures of each air bellow gradually increase from two ends of the pallet to the middle part; and (3) changing situations of the negative pressures and apertures of each air bellow are recorded in a database. In this way, on the premise that a vertical sintering speed is not reduced or the vertical sintering speed is reduced more slightly, efficient sintering of a sintering machine with a low negative pressure and a low blast capacity can be achieved; sinter quality can be increased; energy consumption in sintering processes can be reduced; and an air leakage rate of the sintering machine can be reduced, and a handling capacity of dust removal and desulfurization smoke can be reduced.
Description
Technical field
The invention belongs to field of steel metallurgy, more particularly to it is a kind of based on pallet bellows negative pressure reasonable distribution bellows wind
The method of amount and the sintering system using which.
Background technology
The SINTERING PRODUCTION of iron and steel enterprise is substantially operated using high negative pressure Wind Volume both at home and abroad, and actual thickness of feed layer is necessary
Adapt to sintering negative pressure, when negative pressure is sintered more than Appropriate, air quantity increases excessive, takes away amount of heat, makes top layer sintering feed
Chilling, does not reach the temperature needed for sintering, improves sintering solid fuel consumption, reduces yield rate；Also result in vertical sintering speed
Degree is accelerated, and sinter bed shrinks big, improves unfavorable to sinter strength, while air leak rate of air curtain can be caused to increase, blower fan power consumption is raised
Deng；When negative pressure is sintered less than Appropriate, main air blower acts on the negative pressure of the bed of material and reduces, and sintering fuel burning is insufficient, sintering
Yield rate, productivity ratio decline.For this purpose, preferable sintering deposit quality index will be obtained, must find based under the conditions of crude fuel most
Good air quantity and negative pressure.
The content of the invention
The technical problem to be solved is a kind of in the feelings for not reducing or reducing less sintering vertical sintering speed
The little air quantity high-efficiency sintered of lower negative pressure of sintering machine under condition, is realized, sinter quality is improved, sintering circuit energy consumption is reduced, reduces burning
Knot machine air leakage rate and dedusting, the method based on pallet bellows negative pressure reasonable distribution bellows air quantity of desulfurization fume treating capacity and
Using its sintering system.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is：It is a kind of negative based on pallet bellows
The method of pressure reasonable distribution bellows air quantity, is provided with valve and negative-pressure detection device on each bellows of pallet, including
Following steps：
1) the negative pressure data of the bellows of all pallets are gathered；
2) adjust the valve opening of sintering machine upper bellows so that from the two ends of pallet to the negative pressure of each bellows of middle part
Gradually rise；
3) record each bellows negative pressure and aperture situation of change enters database.
Before the 1) step, during valve opening adjustment, the negative pressure of valve place bellows is gathered, obtain valve
The relation of aperture and the negative pressure of bellows is simultaneously recorded.
Judge whether sintering end point shifts, if sintering end point is forward, make the wind of the mine-discharging terminal near pallet
The valve opening of case is reduced on the basis of the 1) aperture regulation of step；If sintering end point rearward, is made near pallet
The valve opening of the bellows of mine-discharging terminal reduces raising on the basis of the 1) aperture regulation of step.
The 3) after step, and the bellows negative pressure before and after the valve opening adjustment of each bellows on pallet is compared
Right, if bellows negative pressure difference is more than 0.5kPa, the bellows will be recorded, and the bellows are labeled as sensitive bellows, suitably
Reduce the change of the bellows valve opening；After aperture regulation, each bellows negative pressure and aperture situation of change are recorded, synchronous recording enters number
According to storehouse.
Set two rows bellows arranged side by side on the pallet, the 3) after step, the negative pressure of two bellows of each row of comparison,
If the Negative Pressure Difference of two bellows is more than 0.2kPa, marks two bellows of the row to be advisable and burn inclined bellows, adjust the two wind
The size of the valve opening of case；After aperture regulation, each bellows negative pressure and aperture situation of change are recorded.
According to the permeability of sintering material bed situation of sintering device handpiece section, 2 below igniting cover bellows and go out the 1 of igniting cover
～2 bellows, control bellows valve opening, keep head section charge level wind speed in below 0.8m/s, it is ensured that sintering machine top layer heat is burnt
The Slow cooling of knot ore deposit.
According to sintering machine charge level wind speed, 6～8 bellows of neighbouring sintering end point are gradually lowered, it is ensured that burn near tail section
Knot machine charge level wind speed is in below 1.0m/s.
According to 5 points of detection sintering machine charge level wind speed, the valve opening of two bellows of each row of sintering machine, control are adjusted
Sintering machine both sides wind speed deviation<Below 0.1m/s.
A kind of system of the method using above-mentioned reasonable distribution bellows air quantity, is respectively provided with each bellows of pallet
There are valve and negative-pressure detection device, the system includes：
Negative pressure collecting unit, specifies the negative pressure of bellows for gathering the pallet；
Valve regulated unit, adjusts the valve opening of sintering machine upper bellows so that the two ends from pallet are each to middle part
The negative pressure of individual bellows gradually rises；
Central control system unit, for collecting the data produced by negative pressure collecting unit, sets up data warehouse and carries out
Database analysis, dispensing, the yield of upper doses data and sintering deposit, granularity, yield rate, solid fuel to SINTERING PRODUCTION,
Usage factor, adjusts data, house steward's negative pressure data with reference to sintering bellows negative pressure, valve opening and forms form, Instructing manufacture.
A technical scheme in above-mentioned technical proposal has the advantage that or beneficial effect, by adjusting sintering pallet
The distribution of each bellows air quantity, controls, by front several bellows and the air quantity of rear several bellows, to close by sintering machine charge level wind speed measurement
Reason is used on middle several bellows, it is possible to achieve in the case where not reducing or reducing sintering vertical sintering speed less, real
The little air quantity high-efficiency sintered of lower negative pressure of existing sintering machine, improves sinter quality, reduces sintering circuit energy consumption, reduces sintering machine and leaks out
Rate and dedusting, desulfurization fume treating capacity.
Description of the drawings
Fig. 1 is the method based on pallet bellows negative pressure reasonable distribution bellows air quantity provided in the embodiment of the present invention
Systematic schematic diagram；
Mark in above-mentioned figure is：1st, bellows, 2, sintering machine large flue, 3, sintering central control system, 4, valve, 5, negative pressure
Detection means, 6, pallet, 7, mine-discharging terminal, 8, igniter.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
In SINTERING PRODUCTION, air quantity and negative pressure are adjusted and are mainly produced by following several respects reason：There is edge effect in pallet
Should, therefore there is the difference of wind speed air quantity in sintering center and peripheral；There is auto accumulation heat effect, as sintering is carried out, high temperature in sintering
Area's thickness increases, and the demand of air quantity can also be changed；Segregation of the segregation distribution to sinter mixture granularity, can cause away from charge level not
Proportioning with former, fuel under height is different, and these materials are also differed to the demand of air in sintering.
Embodiment one
Referring to Fig. 1, a kind of method based on pallet bellows negative pressure reasonable distribution bellows air quantity, pallet each
Valve and negative-pressure detection device are provided with bellows, are comprised the steps：
1) the negative pressure data of the bellows of all pallets are gathered；
2) adjust the valve opening of sintering machine upper bellows so that from the two ends of pallet to the negative pressure of each bellows of middle part
Gradually rise；
3) record each bellows negative pressure and aperture situation of change enters database.
Before the 1) step, during valve opening adjustment, the negative pressure of valve place bellows is gathered, obtain valve opening
With the relation of the negative pressure of bellows and record.
Judge whether sintering end point shifts, if sintering end point is forward, make the wind of the mine-discharging terminal near pallet
The valve opening of case is reduced on the basis of the 1) aperture regulation of step；If sintering end point rearward, is made near pallet
The valve opening of the bellows of mine-discharging terminal reduces raising on the basis of the 1) aperture regulation of step.
The 3) after step, and the bellows negative pressure before and after the valve opening adjustment of each bellows on pallet is compared
Right, if bellows negative pressure difference is more than 0.5kPa, the bellows will be recorded, and the bellows are labeled as sensitive bellows, suitably
Reduce the change of the bellows valve opening；After aperture regulation, each bellows negative pressure and aperture situation of change are recorded, synchronous recording enters number
According to storehouse.
Set two rows bellows arranged side by side on pallet, the 3) after step, the negative pressure of two bellows of each row of comparison, if
The Negative Pressure Difference of two bellows is more than 0.2kPa, then mark two bellows of the row to be advisable and burn inclined bellows, adjust the two bellows
The size of valve opening；After aperture regulation, each bellows negative pressure and aperture situation of change are recorded.
According to the permeability of sintering material bed situation of sintering device handpiece section, 2 below igniting cover bellows and go out the 1 of igniting cover
～2 bellows, control bellows valve opening, keep head section charge level wind speed in below 0.8m/s, it is ensured that sintering machine top layer heat is burnt
The Slow cooling of knot ore deposit.
According to sintering machine charge level wind speed, 6～8 bellows of neighbouring sintering end point are gradually lowered, it is ensured that burn near tail section
Knot machine charge level wind speed is in below 1.0m/s.
According to 5 points of detection sintering machine charge level wind speed, the valve opening of two bellows of each row of sintering machine, control are adjusted
Sintering machine both sides wind speed deviation<Below 0.1m/s.
It is main to concentrate the work for carrying out four aspects：
(1) sintering machine charge level wind speed measurement, finds the abnormal region of charge level wind speed by charge level wind speed measurement, and adjusts burning
The corresponding bellows valve of knot machine.
(2) sintering device handpiece section air quantity adjustment.According to the permeability of sintering material bed situation of this section, 2 below igniting cover
Bellows and 1～2 bellows for going out igniting cover, control bellows valve opening, keep head section charge level wind speed in below 0.8m/s, protect
The Slow cooling of card sintering machine top layer heat sinter.
(3) rear of sintering machine section air quantity adjustment, according to sintering machine charge level wind speed, is gradually lowered the 6～8 of neighbouring sintering end point
Individual bellows, it is ensured that near tail section sintering machine charge level wind speed in below 1.0m/s.
(4) sintering machine north and south crosswind case air quantity adjustment, according to 5 points of detection sintering machine charge level wind speed, adjustment sintering machine north and south
Both sides bellows valve opening, control sintering machine both sides wind speed deviation<Below 0.1m/s.
By more than, the adjustment of four aspects, takes into account sintering machine south and north flanks and sintering device handpiece, centre, three sections of tail,
Sintering air quantity is reasonably given with reference to the change of sintering process bed permeability, is realized according to sintering process air requirement to wind
Strategy, realize the little air quantity high-efficiency sintered of lower negative pressure of sintering machine.
Embodiment two
A kind of system of the method using above-mentioned reasonable distribution bellows air quantity, is respectively provided with each bellows of pallet
There are valve and negative-pressure detection device, system includes：
Negative pressure collecting unit, specifies the negative pressure of bellows for gathering pallet；
Valve regulated unit, adjusts the valve opening of sintering machine upper bellows so that the two ends from pallet are each to middle part
The negative pressure of individual bellows gradually rises；
Central control system unit, for collecting the data produced by negative pressure collecting unit, sets up data warehouse and carries out
Database analysis, dispensing, the yield of upper doses data and sintering deposit, granularity, yield rate, solid fuel to SINTERING PRODUCTION,
Usage factor, adjusts data, house steward's negative pressure data with reference to sintering bellows negative pressure, valve opening and forms form, Instructing manufacture.
Embodiment three
Valve and negative-pressure detection device are provided with each bellows of pallet, method includes：
Gather the negative pressure data of all pallet bellows；
According to the negative pressure of specified bellows, the valve opening of the front several and rear several bellows of sintering machine is adjusted, so that sintering wind
Case negative pressure variation is presented and first gradually rises the trend being gradually lowered afterwards；
Record each bellows negative pressure and aperture situation of change enters database；
Preferably, before all steps, also include：
During valve opening adjustment, the negative pressure of valve place bellows is gathered, obtain the relation of valve opening and negative pressure
And record.
Preferably, after all steps, also include：
Judge whether sintering end point shifts, if sintering end point is forward, to the valve opening of rear several bellows in original
Reduced on the basis of carrying out aperture regulation successively；
If sintering end point is rearward, the valve opening of rear several bellows is risen on the basis of original aperture regulation successively
It is high.
Preferably, after all steps, also include：
Bellows negative pressure before and after each pallet bellows valve opening adjustment is compared, bellows negative pressure is more than
0.5kPa, bellows will be recorded, and the bellows are labeled as sensitive bellows, the appropriate change for reducing bellows valve opening.
After aperture regulation, record each bellows negative pressure and aperture situation of change enters database.
Preferably, after all steps, also include：
Each pallet bellows has two air exhaust boxes, respectively south and north flanks, the north and south two to each pallet bellows
Crosswind case negative pressure is compared, and both sides bellows negative pressure is more than 0.2kPa, and the bellows mark is advisable and burns inclined bellows, suitably adjusts both sides
The size of bellows valve opening.
If bellows negative pressure southern side>North side, then improve the low valve opening 1% of negative pressure, it is ensured that both sides bellows negative pressure difference
Within 0.2KPa so that sintering is uniform.
After aperture regulation, each bellows negative pressure and aperture situation of change are recorded.
On the other hand, the system based on pallet bellows negative pressure reasonable distribution bellows air quantity, it is characterised in that sintering platform
Valve and negative-pressure detection device are provided with each bellows of car, system includes：
Air quantity collecting unit, specifies the negative pressure of bellows for gathering pallet；
Valve regulated unit, for according to the negative pressure for specifying bellows, adjusting the valve of the front several and rear several bellows of sintering machine
Door aperture, so that sintering bellows negative pressure variation is presented and first gradually rises the trend being gradually lowered afterwards；
Central control unit is adjusted, for collecting right bellows negative pressure and valve opening data, data warehouse is set up and is gone forward side by side
Row database analysis, dispensing, the yield of upper doses data and sintering deposit, granularity, yield rate, the solid combustion to SINTERING PRODUCTION
Material, usage factor, adjust the data such as data, house steward's negative pressure with reference to sintering bellows negative pressure, valve opening and form the report such as day, week, moon
Table, in order to Instructing manufacture.
Present invention is generally directed to pallet, installs butterfly valve and negative-pressure detection device, on each wind box branch pipe by negative
Pressure detection means detects the negative pressure distribution situation of pallet bellows, testing result is transferred to sintering central control system, in sintering
Control system combines each band Transport of sintering, adjusts the valve opening (0 fully closed～100% standard-sized sheet) above each bellows, will be from point
The valve opening that bellows start below firearm increases successively, and the valve opening that bellows start from below mine-discharging terminal increases successively, in
Between bellows aperture standard-sized sheet, the most of bellows in the middle of pallet of the final air quantity for ensureing sintering machine large flue.
For certain factory 360m2Sintering machine, is specifically shown according to the result before and after sintering negative pressure adjustment sintering bellows valve opening
Tables 1 and 2, the process energy consumption for adjusting forward and backward ton sintering deposit are respectively 56kg mark coals, 53kg mark coals, and concrete sintering situation is shown in Table
3。
For certain factory 380m2Sintering machine, is specifically shown according to the result before and after sintering negative pressure adjustment sintering bellows valve opening
Tables 1 and 2, the process energy consumption for adjusting forward and backward ton sintering deposit are respectively 56kg mark coals, 53kg mark coals, and concrete sintering situation is shown in Table
3。
Table 1. adjusts forward and backward negative pressure condition (- kPa)
Note：Last bellows are that mine-discharging terminal does not carry out detection of negative pressure
Table 2. adjusts forward and backward valve opening situation (%)
Note：" " represents that valve is not opened
Table 3. adjusts forward and backward sintering parameter situation (kPa)
| Thickness | Machine speed | Hang down fast | House steward's negative pressure | Usage factor | FeO | Up-to-standard rate | Burnup | Process energy consumption |
| mm | m/min | mm/min | kpa | t/m2h | % | % | kg/t | kgce/t |
| 900 | 1.82 | 19.53 | -16.88 | 1.420 | 7.68 | 80.06 | 54.87 | 56.00 |
| 898 | 1.72 | 17.88 | -13.65 | 1.356 | 8.64 | 95.04 | 51.65 | 53.00 |
After using above-mentioned scheme, by the distribution for adjusting each bellows air quantity of sintering pallet, by sintering machine charge level wind
Speed detection control rationally uses front several bellows and the air quantity of rear several bellows on middle several bellows, it is possible to achieve
In the case of not reducing or reducing sintering vertical sintering speed less, the little air quantity high-efficiency sintered of lower negative pressure of sintering machine is realized, is carried
High sinter quality, reduces sintering circuit energy consumption, reduces air leakage rate of sintering machine and dedusting, desulfurization fume treating capacity.
The distribution of each bellows air quantity of adjustment sintering pallet, by head several bellows and the superfluous wind of the several bellows of tail
Amount, rationally uses on middle several bellows, it is possible to achieve in the situation for not reducing or reducing less sintering vertical sintering speed
Under, the little air quantity high-efficiency sintered of lower negative pressure of sintering machine is realized, sinter quality is improved, sintering circuit energy consumption is reduced, sintering is reduced
Machine air leakage rate and dedusting, desulfurization fume treating capacity.
1. sinter quality and sintering process stability are obviously improved：The sintering deposit ratio of first-grade products reaches 94.69%, realizes
More than 6% quality is substantially improved；Metallurgical Properties of Sinter RDI+3.15 indexes rise to 75% by 65%, be blast furnace it is stable and
This offer powerful guarantee drops；Under material condition deterioration, Sinter Tumber Index is risen to by 78%～78.5%
78.9%；Sintering process stability improves 8%.
2. sintering deposit TFe contents are in the case where the horizontal ascensional ranges of blending ore TFe are little, by 2013 56.33% by
Year rises to 2015 and rises to 57.31% level, and for the substantive drop of blast furnace, this provides solid foundation.
3. back powder is greatly reduced, and ton iron back powder is reduced to 194kg/t (iron) by 255kg/t (iron), and annual sintering is at least saved
The processing charges of about nearly 160,000 tons of sintering deposits, it is i.e. cost-saved every year to reach 5,000,000 yuan.
4. environmental protection pressure is alleviated significantly, and head waste gas dustiness is dropped to the level of existing 33.8mg by the 210mg of early stage,
Realize environmental protection standard discharge.
5. sintering deposit consume admittedly by 2010 55.31kg/t (burning) level drop to 53.32kg/t (burning) in 2015, only this
Sintering is i.e. cost-saved every year to reach 7,000,000 yuan.
Industrialness production practices of the air quantity under to the super thick bed of material in distribution, realizing reduces negative under the super thick bed of material
Pressure, the production of low air quantity, which is taken out consumption reduction to stable sintering process, master, reduces solid burnup and reduces master and takes out environmental protection pressure to burn
Knot technological progress provides practical experience.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented
Restriction, as long as employing the improvement of various unsubstantialities that method of the present invention design and technical scheme are carried out, or without changing
Enter and the design of the present invention and technical scheme are directly applied to into other occasions, within protection scope of the present invention.
Claims (9)
1. a kind of method based on pallet bellows negative pressure reasonable distribution bellows air quantity, it is characterised in that pallet it is every
Valve and negative-pressure detection device are provided with individual bellows, are comprised the steps：
1) the negative pressure data of the bellows of all pallets are gathered；
2) adjust the valve opening of sintering machine upper bellows so that from the two ends of pallet to the negative pressure of each bellows of middle part gradually
Raise；
3) record each bellows negative pressure and aperture situation of change enters database.
2. the method based on pallet bellows negative pressure reasonable distribution bellows air quantity as claimed in claim 1, it is characterised in that
Before the 1) step, during valve opening adjustment, the negative pressure of valve place bellows is gathered, obtain valve opening and wind
The relation of the negative pressure of case is simultaneously recorded.
3. the method based on pallet bellows negative pressure reasonable distribution bellows air quantity as claimed in claim 2, it is characterised in that
Judge whether sintering end point shifts, if sintering end point is forward, make the valve of the bellows of the mine-discharging terminal of close pallet
Aperture is reduced on the basis of the 1) aperture regulation of step；If sintering end point rearward, makes the mine-discharging terminal near pallet
The valve opening of bellows reduces raising on the basis of the 1) aperture regulation of step.
4. the method based on pallet bellows negative pressure reasonable distribution bellows air quantity as claimed in claim 1, it is characterised in that
The 3) after step, the bellows negative pressure before and after the valve opening adjustment of each bellows on pallet is compared, if wind
Case negative pressure difference is more than 0.5kPa, and the bellows will be recorded, and the bellows are labeled as sensitive bellows, suitably reduce the bellows
The change of valve opening；After aperture regulation, each bellows negative pressure and aperture situation of change are recorded, synchronous recording enters database.
5. the method based on pallet bellows negative pressure reasonable distribution bellows air quantity as claimed in claim 1, it is characterised in that
Set two rows bellows arranged side by side on the pallet, the 3) after step, the negative pressure of two bellows of each row of comparison, if two
The Negative Pressure Difference of bellows is more than 0.2kPa, then mark two bellows of the row to be advisable and burn inclined bellows, adjust the valve of the two bellows
The size of aperture；After aperture regulation, each bellows negative pressure and aperture situation of change are recorded.
6. the method based on pallet bellows negative pressure reasonable distribution bellows air quantity as claimed in claim 5, it is characterised in that
According to the permeability of sintering material bed situation of sintering device handpiece section, 2 below igniting cover bellows and 1～2 wind for going out igniting cover
Case, controls bellows valve opening, keeps head section charge level wind speed in below 0.8m/s, it is ensured that sintering machine top layer heat sinter it is slow
Slow cool down.
7. the method based on pallet bellows negative pressure reasonable distribution bellows air quantity as claimed in claim 6, it is characterised in that
According to sintering machine charge level wind speed, 6～8 bellows of neighbouring sintering end point are gradually lowered, it is ensured that near tail section sintering machine charge level
Wind speed is in below 1.0m/s.
8. the method based on pallet bellows negative pressure reasonable distribution bellows air quantity as claimed in claim 7, it is characterised in that
According to 5 points of detection sintering machine charge level wind speed, the valve opening of two bellows of each row of sintering machine is adjusted, sintering machine two is controlled
Crosswind speed deviation<Below 0.1m/s.
9. a kind of sintering system of the method for the reasonable distribution bellows air quantity using as described in claim 1-8 is arbitrary, its feature
It is on each bellows of pallet, to be provided with valve and negative-pressure detection device, the system includes：
Negative pressure collecting unit, specifies the negative pressure of bellows for gathering the pallet；
Valve regulated unit, adjusts the valve opening of sintering machine upper bellows so that each wind from the two ends of pallet to middle part
The negative pressure of case gradually rises；
Central control system unit, for collecting the data produced by negative pressure collecting unit, sets up data warehouse and carries out data
Storehouse is analyzed, dispensing, the yield of upper doses data and sintering deposit to SINTERING PRODUCTION, granularity, yield rate, solid fuel, utilization
Coefficient, adjusts data, house steward's negative pressure data with reference to sintering bellows negative pressure, valve opening and forms form, Instructing manufacture.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107631633A (en) * | 2017-09-12 | 2018-01-26 | 首钢集团有限公司 | Reduce the control method and sintering machine of sintering machine wind box negative pressure |
| CN107726869A (en) * | 2017-10-18 | 2018-02-23 | 北京志能祥赢节能环保科技股份有限公司 | The stable residual heat recovery method of unstable residual heat resources is improved in a kind of sintering process |
| CN108562132A (en) * | 2018-04-26 | 2018-09-21 | 遵义双河生物燃料科技有限公司 | Pellet dryer |
| CN111521017A (en) * | 2020-04-17 | 2020-08-11 | 马鞍山钢铁股份有限公司 | Control method for balancing sintering air volume |
| CN113532136A (en) * | 2021-06-29 | 2021-10-22 | 鞍钢股份有限公司 | Method for reasonably distributing air volume of sintering trolley air box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0949032A (en) * | 1995-08-08 | 1997-02-18 | Nippon Steel Corp | Method for controlling sintering machine and apparatus therefor |
| JP2001064732A (en) * | 1999-08-30 | 2001-03-13 | Kobe Steel Ltd | Operation with exhaust gas circulated sintering |
| CN102997671A (en) * | 2012-12-27 | 2013-03-27 | 中冶长天国际工程有限责任公司 | Method and system for controlling air volume of air box of sintering trolley |
| CN103017535A (en) * | 2012-12-27 | 2013-04-03 | 中冶长天国际工程有限责任公司 | Method and system for controlling main exhaust fan |
| CN103033054A (en) * | 2012-12-27 | 2013-04-10 | 中冶长天国际工程有限责任公司 | Negative pressure control method and negative pressure control system for main exhaust fan of sintering machine |
-
2016
- 2016-10-28 CN CN201610971434.5A patent/CN106524763B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0949032A (en) * | 1995-08-08 | 1997-02-18 | Nippon Steel Corp | Method for controlling sintering machine and apparatus therefor |
| JP2001064732A (en) * | 1999-08-30 | 2001-03-13 | Kobe Steel Ltd | Operation with exhaust gas circulated sintering |
| CN102997671A (en) * | 2012-12-27 | 2013-03-27 | 中冶长天国际工程有限责任公司 | Method and system for controlling air volume of air box of sintering trolley |
| CN103017535A (en) * | 2012-12-27 | 2013-04-03 | 中冶长天国际工程有限责任公司 | Method and system for controlling main exhaust fan |
| CN103033054A (en) * | 2012-12-27 | 2013-04-10 | 中冶长天国际工程有限责任公司 | Negative pressure control method and negative pressure control system for main exhaust fan of sintering machine |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631633A (en) * | 2017-09-12 | 2018-01-26 | 首钢集团有限公司 | Reduce the control method and sintering machine of sintering machine wind box negative pressure |
| CN107726869A (en) * | 2017-10-18 | 2018-02-23 | 北京志能祥赢节能环保科技股份有限公司 | The stable residual heat recovery method of unstable residual heat resources is improved in a kind of sintering process |
| CN108562132A (en) * | 2018-04-26 | 2018-09-21 | 遵义双河生物燃料科技有限公司 | Pellet dryer |
| CN108562132B (en) * | 2018-04-26 | 2024-02-13 | 遵义双河生物燃料科技有限公司 | Granule dryer |
| CN111521017A (en) * | 2020-04-17 | 2020-08-11 | 马鞍山钢铁股份有限公司 | Control method for balancing sintering air volume |
| CN111521017B (en) * | 2020-04-17 | 2021-11-02 | 马鞍山钢铁股份有限公司 | Control method for balancing sintering air volume |
| CN113532136A (en) * | 2021-06-29 | 2021-10-22 | 鞍钢股份有限公司 | Method for reasonably distributing air volume of sintering trolley air box |
| CN113532136B (en) * | 2021-06-29 | 2022-08-16 | 鞍钢股份有限公司 | Method for reasonably distributing air volume of sintering trolley air box |
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