CN106524763B - A kind of method based on pallet bellows negative pressure reasonable distribution bellows air quantity and the sintering system using it - Google Patents
A kind of method based on pallet bellows negative pressure reasonable distribution bellows air quantity and the sintering system using it Download PDFInfo
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- CN106524763B CN106524763B CN201610971434.5A CN201610971434A CN106524763B CN 106524763 B CN106524763 B CN 106524763B CN 201610971434 A CN201610971434 A CN 201610971434A CN 106524763 B CN106524763 B CN 106524763B
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N3/00—Regulating air supply or draught
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- 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
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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
- F27D2019/0028—Regulation
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- Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a kind of method based on pallet bellows negative pressure reasonable distribution bellows air quantity and using its sintering system, it is provided with valve and negative-pressure detection device on each bellows of pallet, includes the following steps: the negative pressure data for 1) acquiring the bellows of all pallets；2) valve opening for adjusting sintering machine upper bellows, so that being gradually risen from the both ends of pallet to the negative pressure of each bellows in middle part；3) each bellows negative pressure and aperture situation of change are recorded into database, in the case where not reducing or reducing sintering vertical sintering speed less, realize the small air quantity high-efficiency sintered of lower negative pressure of sintering machine, improve sinter quality, sintering process energy consumption is reduced, air leakage rate of sintering machine and dedusting, desulfurization fume treating capacity are reduced.
Description
Technical field
The invention belongs to field of steel metallurgy, more particularly to one kind to be based on pallet bellows negative pressure reasonable distribution bellows wind
The method of amount and the sintering system for using it.
Background technique
The sintering production of domestic and international iron and steel enterprise substantially uses high negative pressure Wind Volume to operate, and practical thickness of feed layer is necessary
It is adapted to sintering negative pressure, when being sintered negative pressure greater than Appropriate, air quantity increase is excessive, takes away amount of heat, makes surface layer sintering feed
Chilling, temperature needed for sintering is not achieved improve sintering solid fuel consumption, reduce yield rate；Also result in vertical sintering speed
Degree is accelerated, and sinter bed is shunk greatly, and it is unfavorable to improve to sinter strength, while will lead to air leak rate of air curtain increase, and blower power consumption increases
Deng；When being sintered negative pressure less than Appropriate, the negative pressure that main air blower acts on the bed of material is reduced, and sintering fuel burning is insufficient, sintering
Yield rate, productivity decline.For this purpose, to obtain preferable sinter quality index, must find based under the conditions of crude fuel most
Good air quantity and negative pressure.
Summary of the invention
The technical problem to be solved by the present invention is to a kind of in the feelings for not reducing or reducing less sintering vertical sintering speed
Under condition, the small air quantity high-efficiency sintered of the lower negative pressure of sintering machine is realized, improve sinter quality, reduce sintering process energy consumption, reduce and burn
Tie machine air leakage rate and dedusting, desulfurization fume treating capacity method based on pallet bellows negative pressure reasonable distribution bellows air quantity and
Using its sintering system.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that: one kind is negative based on pallet bellows
The method for pressing 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 acquired；
2) valve opening for adjusting sintering machine upper bellows, so that from the both ends of pallet to the negative pressure of each bellows in middle part
It gradually rises；
3) each bellows negative pressure and aperture situation of change are recorded into database.
Before the 1) step, during valve opening adjustment, the negative pressure of bellows where acquiring the valve obtains valve
The relationship and record of aperture and the negative pressure of bellows.
Judge whether sintering end point shifts, if sintering end point is forward, makes the wind of the mine-discharging terminal close to pallet
The valve opening of case reduces on the basis of the 1) aperture regulation of step；If sintering end point rearward, makes close to pallet
The valve opening of the bellows of mine-discharging terminal increases on the basis of the 1) aperture regulation of step.
The 3) after step, compares the bellows negative pressure of the valve opening adjustment front and back of each bellows on pallet
Right, if bellows negative pressure difference is greater than 0.5kPa, which will be recorded, and the bellows are labeled as sensitive bellows, suitably
Reduce the variation of the bellows valve opening；After aperture regulation, each bellows negative pressure and aperture situation of change are recorded, synchronous recording is into number
According to library.
Set two rows of bellows arranged side by side on the pallet, the 3) after step, the negative pressure of two bellows of more each column,
If the Negative Pressure Difference of two bellows is greater than 0.2kPa, marks two bellows of the column to be advisable and burn hemiplegia case, 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 bellows below igniting cover and out the 1 of igniting cover
~2 bellows control bellows valve opening, keep head section charge level wind speed in 0.8m/s hereinafter, guaranteeing that sintering machine surface layer heat is burnt
Tie the Slow cooling of mine.
According to sintering machine charge level wind speed, 6~8 bellows of neighbouring sintering end point are gradually decreased, guarantee to burn close to tail section
Knot machine charge level wind speed is in 1.0m/s or less.
According to 5 points of detection sintering machine charge level wind speed, the valve opening of two bellows of each column of sintering machine, control are adjusted
Sintering machine two sides wind speed deviation < 0.1m/s.
A kind of system of the method using above-mentioned reasonable distribution bellows air quantity is respectively provided on each bellows of pallet
There are valve and negative-pressure detection device, the system comprises:
Negative pressure acquisition unit specifies the negative pressure of bellows for acquiring the pallet；
Valve regulated unit adjusts the valve opening of sintering machine upper bellows, so that each from the both ends of pallet to middle part
The negative pressure of a bellows gradually rises；
Central control system unit, for collecting data caused by negative pressure acquisition unit, establishing data warehouse and carrying out
Database analysis, to the ingredient of sintering production, the yield of upper doses data and sinter, granularity, yield rate, solid fuel,
Usage factor adjusts data in conjunction with sintering bellows negative pressure, valve opening, general pipeline negative pressure data form report, Instructing manufacture.
A technical solution in above-mentioned technical proposal has the following advantages that or beneficial effect, by adjusting sintering pallet
The distribution of each bellows air quantity is closed by the control of sintering machine charge level wind speed measurement by the air quantity of preceding several bellows and rear several bellows
Reason uses on intermediate several bellows, may be implemented in the case where not reducing or reducing sintering vertical sintering speed less, real
The small air quantity high-efficiency sintered of lower negative pressure of existing sintering machine, improves sinter quality, reduces sintering process energy consumption, reduces sintering machine and leaks out
Rate and dedusting, desulfurization fume treating capacity.
Detailed description of the invention
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；
Label in above-mentioned figure is equal are as follows: 1, bellows, 2, sintering machine large flue, 3, sintering central control system, 4, valve, 5, negative pressure
Detection device, 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 attached drawing to embodiment party of the present invention
Formula is described in further detail.
Air quantity and negative pressure, which are adjusted, in sintering production is mainly generated by following several respects reason: there are edge effects for pallet
It answers, therefore there are the differences of wind speed air quantity for sintering center and peripheral；There are auto accumulation heat effects for sintering, as sintering carries out, high temperature
Area's thickness increases, and the demand to air quantity can also change；Segregation of the segregation distribution to sinter mixture granularity, will lead to away from charge level not
Different with proportion former, fuel under height, for these materials in sintering, the demand to air is not also identical.
Embodiment one
Referring to Fig. 1, a method of based on pallet bellows negative pressure reasonable distribution bellows air quantity, each of pallet
It is provided with valve and negative-pressure detection device on bellows, includes the following steps:
1) the negative pressure data of the bellows of all pallets are acquired；
2) valve opening for adjusting sintering machine upper bellows, so that from the both ends of pallet to the negative pressure of each bellows in middle part
It gradually rises；
3) each bellows negative pressure and aperture situation of change are recorded into database.
Before the 1) step, during valve opening adjustment, the negative pressure of bellows, obtains valve opening where acquisition valve
With the relationship and record of the negative pressure of bellows.
Judge whether sintering end point shifts, if sintering end point is forward, makes the wind of the mine-discharging terminal close to pallet
The valve opening of case reduces on the basis of the 1) aperture regulation of step；If sintering end point rearward, makes close to pallet
The valve opening of the bellows of mine-discharging terminal increases on the basis of the 1) aperture regulation of step.
The 3) after step, compares the bellows negative pressure of the valve opening adjustment front and back of each bellows on pallet
Right, if bellows negative pressure difference is greater than 0.5kPa, which will be recorded, and the bellows are labeled as sensitive bellows, suitably
Reduce the variation of the bellows valve opening；After aperture regulation, each bellows negative pressure and aperture situation of change are recorded, synchronous recording is into number
According to library.
Set two rows of bellows arranged side by side on pallet, the 3) after step, the negative pressure of two bellows of more each column, if
The Negative Pressure Difference of two bellows is greater than 0.2kPa, then marks two bellows of the column to be advisable and burn hemiplegia case, 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 bellows below igniting cover and out the 1 of igniting cover
~2 bellows control bellows valve opening, keep head section charge level wind speed in 0.8m/s hereinafter, guaranteeing that sintering machine surface layer heat is burnt
Tie the Slow cooling of mine.
According to sintering machine charge level wind speed, 6~8 bellows of neighbouring sintering end point are gradually decreased, guarantee to burn close to tail section
Knot machine charge level wind speed is in 1.0m/s or less.
According to 5 points of detection sintering machine charge level wind speed, the valve opening of two bellows of each column of sintering machine, control are adjusted
Sintering machine two sides wind speed deviation < 0.1m/s.
It is main to concentrate the work for carrying out four aspects:
(1) sintering machine charge level wind speed measurement, the region of charge level wind speed exception is found by charge level wind speed measurement, and adjusts burning
The corresponding bellows valve of knot machine.
(2) sintering device handpiece section air quantity adjusts.According to the permeability of sintering material bed situation of this section, 2 below igniting cover
1~2 bellows of bellows and out igniting cover control bellows valve opening, keep head section charge level wind speed in 0.8m/s hereinafter, protecting
Demonstrate,prove the Slow cooling of sintering machine surface layer heat sinter.
(3) rear of sintering machine section air quantity adjusts, and according to sintering machine charge level wind speed, gradually decreases the 6~8 of neighbouring sintering end point
A bellows guarantee close to tail section sintering machine charge level wind speed in 1.0m/s or less.
(4) crosswind case air quantity in sintering machine north and south adjusts, and according to 5 points of detection sintering machine charge level wind speed, adjusts sintering machine north and south
Two sides bellows valve opening controls sintering machine two sides wind speed deviation < 0.1m/s.
By the adjustment of above four aspects, sintering machine south and north flanks and sintering device handpiece, centre, three sections of tail are taken into account,
Sintering air quantity is reasonably given in conjunction with the variation of sintering process bed permeability, is realized according to sintering process air requirement to wind
Strategy, realize the small 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 on each bellows of pallet
There are valve and negative-pressure detection device, system includes:
Negative pressure acquisition unit specifies the negative pressure of bellows for acquiring pallet；
Valve regulated unit adjusts the valve opening of sintering machine upper bellows, so that each from the both ends of pallet to middle part
The negative pressure of a bellows gradually rises；
Central control system unit, for collecting data caused by negative pressure acquisition unit, establishing data warehouse and carrying out
Database analysis, to the ingredient of sintering production, the yield of upper doses data and sinter, granularity, yield rate, solid fuel,
Usage factor adjusts data in conjunction with sintering bellows negative pressure, valve opening, general pipeline negative pressure data form report, Instructing manufacture.
Embodiment three
It is provided with valve and negative-pressure detection device on each bellows of pallet, method includes:
Acquire the negative pressure data of all pallet bellows；
According to the negative pressure of specified bellows, the valve opening of the preceding several and rear several bellows of sintering machine is adjusted, so that sintering wind
The presentation of case negative pressure variation first gradually rises the trend gradually decreased afterwards；
Each bellows negative pressure and aperture situation of change are recorded into database；
Preferably, before all steps, further includes:
During valve opening adjustment, the negative pressure of bellows, obtains the relationship of valve opening and negative pressure where acquisition valve
And it records.
Preferably, after all steps, further includes:
Judge whether sintering end point shifts, if sintering end point is forward, to the valve openings of rear several bellows in original
Come on the basis of aperture regulation successively to reduce；
If sintering end point is rearward, the valve opening of rear several bellows is successively risen on the basis of original aperture regulation
It is high.
Preferably, after all steps, further includes:
The bellows negative pressure of each pallet bellows valve opening adjustment front and back is compared, bellows negative pressure is greater than
0.5kPa, bellows will be recorded, which is labeled as sensitive bellows, the appropriate variation for reducing bellows valve opening.
After aperture regulation, each bellows negative pressure and aperture situation of change are recorded into database.
Preferably, after all steps, further includes:
Each pallet bellows have two air exhaust boxes, respectively south and north flanks, to the north and south two of each pallet bellows
Crosswind case negative pressure is compared, and two sides bellows negative pressure is greater than 0.2kPa, and bellows label, which is advisable, burns hemiplegia case, appropriate adjustment two sides
The size of bellows valve opening.
If bellows negative pressure southern side > north side, the low valve opening 1% of negative pressure is improved, guarantees two 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, which is characterized in that sintering platform
It is provided with valve and negative-pressure detection device on each bellows of vehicle, system includes:
Air quantity acquisition unit specifies the negative pressure of bellows for acquiring pallet；
Valve regulated unit, for adjusting the valve of the preceding several and rear several bellows of sintering machine according to the negative pressure for specifying bellows
Door aperture, so that sintering bellows negative pressure variation presentation first gradually rises the trend gradually decreased afterwards；
Central control unit is adjusted to establish data warehouse for collecting right bellows negative pressure and valve opening data and go forward side by side
Row database analysis fires the ingredient of sintering production, the yield of upper doses data and sinter, granularity, yield rate, solid
Material, usage factor adjust the data such as data, general pipeline negative pressure in conjunction with 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 pallets, and butterfly valve and negative-pressure detection device are installed on each wind box branch pipe, by negative
The negative pressure distribution situation for pressing detection device detection pallet bellows, will test result and is transferred to sintering central control system, in sintering
Control system, which combines, is sintered each band Transport, adjusts the valve opening (0~100% standard-sized sheet of full pass) above each bellows, will be from point
The valve opening that bellows start below firearm successively increases, and the valve opening below the mine-discharging terminal bellows successively increases, in
Between bellows aperture standard-sized sheet, the final most of bellows among pallet of the air quantity for guaranteeing 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 sinter is respectively 56kg mark coal, 53kg mark coal, and the specific situation that is sintered 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 sinter is respectively 56kg mark coal, 53kg mark coal, and the specific situation that is sintered 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: "-" indicates that valve is not opened
Table 3. adjusts forward and backward sintering parameter situation (kPa)
| Thickness | Machine speed | It hangs down fast | General pipeline negative pressure | Usage factor | FeO | Quality pass 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 above-mentioned scheme, by adjusting the distribution of each bellows air quantity of sintering pallet, pass through sintering machine charge level wind
The air quantity of preceding several bellows and rear several bellows is rationally used on intermediate several bellows, be may be implemented by speed detection control
In the case where not reducing or reducing sintering vertical sintering speed less, realizes the small air quantity high-efficiency sintered of the lower negative pressure of sintering machine, mention
High sinter quality reduces sintering process energy consumption, reduces air leakage rate of sintering machine and dedusting, desulfurization fume treating capacity.
The distribution for adjusting each bellows air quantity of sintering pallet, by the superfluous wind of the several bellows of head and the several bellows of tail
Amount rationally uses on intermediate several bellows, may be implemented the case where not reducing or reducing sintering vertical sintering speed less
Under, it realizes the small air quantity high-efficiency sintered of the lower negative pressure of sintering machine, improves sinter quality, reduce sintering process energy consumption, reduce sintering
Machine air leakage rate and dedusting, desulfurization fume treating capacity.
1. sinter quality and sintering process stability are obviously improved: the sinter ratio of first-grade products reaches 94.69%, realizes
6% or more quality is substantially improved；Metallurgical Properties of Sinter RDI+3.15 index rises to 75% by 65%, for blast furnace stablize and
Drop originally provides a strong guarantee；Under material condition deterioration, Sinter Tumber Index is risen to by 78%~78.5%
78.9%；Sintering process stability improves 8%.
2. sinter TFe content is in the case where the horizontal ascensional range of blending ore TFe is little, by 2013 56.33% by
It rises in year and rises within 2015 57.31% level, originally provide solid foundation for blast furnace substance drop.
3. back powder is greatly reduced, ton iron back powder is reduced to 194kg/t (iron) by 255kg/t (iron), and annual sintering at least saves
The processing charges of about nearly 160,000 tons of sinters, it is i.e. cost-saved every year to reach 5,000,000 yuan.
4. alleviating environmental protection pressure significantly, head exhaust gas dustiness is dropped to the level of existing 33.8mg by the 210mg of early period,
Realize environmental protection standard discharge.
5. sinter 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.
By the air quantity under the super thick bed of material in the industrialness production practices of distribution, is realized to reduce under the super thick bed of material and be born
Pressure, the production of low air quantity are to burn to stable sintering process, main pumping consumption reduction, reduction solid burnup and the main pumping environmental protection pressure of reduction
Knot technological progress provides practical experience.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out is used, or without changing
It is within the scope of the present invention into the conception and technical scheme of the invention are directly applied to other occasions.
Claims (9)
1. a kind of method based on pallet bellows negative pressure reasonable distribution bellows air quantity, which is characterized in that pallet it is every
It is provided with valve and negative-pressure detection device on a bellows, is included the following steps:
1) the negative pressure data of the bellows of all pallets are acquired；
2) valve opening for adjusting sintering machine upper bellows, so that gradually to the negative pressure of each bellows in middle part from the both ends of pallet
It increases；
3) each bellows negative pressure and aperture situation of change are recorded into database.
2. the method as described in claim 1 based on pallet bellows negative pressure reasonable distribution bellows air quantity, which is characterized in that
Before the 1) step, during valve opening adjustment, the negative pressure of bellows where acquiring the valve obtains valve opening and wind
The relationship and record of the negative pressure of case.
3. the method as claimed in claim 2 based on pallet bellows negative pressure reasonable distribution bellows air quantity, which is characterized in that
Judge whether sintering end point shifts, if sintering end point is forward, makes the valve of the bellows of the mine-discharging terminal close to pallet
Aperture reduces on the basis of the 1) aperture regulation of step；If sintering end point rearward, makes the mine-discharging terminal close to pallet
The valve opening of bellows increases on the basis of the 1) aperture regulation of step.
4. the method as described in claim 1 based on pallet bellows negative pressure reasonable distribution bellows air quantity, which is characterized in that
The 3) after step, the bellows negative pressure of the valve opening adjustment front and back of each bellows on pallet is compared, if wind
Case negative pressure difference is greater than 0.5kPa, which will be recorded, and the bellows are labeled as sensitive bellows, reduces the bellows valve
The variation of aperture；After aperture regulation, each bellows negative pressure and aperture situation of change are recorded, synchronous recording is into database.
5. the method as described in claim 1 based on pallet bellows negative pressure reasonable distribution bellows air quantity, which is characterized in that
Set two rows of bellows arranged side by side on the pallet, the 3) after step, the negative pressure of two bellows of more each column, if two
The Negative Pressure Difference of bellows is greater than 0.2kPa, then marks two bellows of the column to be advisable and burn hemiplegia case, 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 as claimed in claim 5 based on pallet bellows negative pressure reasonable distribution bellows air quantity, which is characterized in that
According to the permeability of sintering material bed situation of sintering device handpiece section, 2 bellows below igniting cover and out the 1~2 of igniting cover are controlled
The valve opening of a bellows keeps head section charge level wind speed in 0.8m/s hereinafter, guaranteeing the slow of sintering machine surface layer heat sinter
It is cooling.
7. the method as claimed in claim 6 based on pallet bellows negative pressure reasonable distribution bellows air quantity, which is characterized in that
According to sintering machine charge level wind speed, the valve opening of 6~8 bellows of neighbouring sintering end point is gradually decreased, is guaranteed close to tail section
Sintering machine charge level wind speed is in 1.0m/s or less.
8. the method as claimed in claim 7 based on pallet bellows negative pressure reasonable distribution bellows air quantity, which is characterized in that
According to 5 points of detection sintering machine charge level wind speed, the valve opening of two bellows of each column of sintering machine is adjusted, controls sintering machine two
Crosswind speed deviation < 0.1m/s.
9. a kind of using the side a method as claimed in any one of claims 1-8 based on pallet bellows negative pressure reasonable distribution bellows air quantity
The sintering system of method, which is characterized in that valve and negative-pressure detection device, the system are provided on each bellows of pallet
System includes:
Negative pressure acquisition unit specifies the negative pressure of bellows for acquiring the pallet；
Valve regulated unit adjusts the valve opening of sintering machine upper bellows, so that from the both ends of pallet to each wind in middle part
The negative pressure of case gradually rises；
Central control system unit, for collecting data caused by negative pressure acquisition unit, establishing data warehouse and carrying out data
Library analysis, to the ingredient, upper doses data and the yield of sinter, granularity, yield rate, solid fuel, utilization of sintering production
Coefficient adjusts data in conjunction with sintering bellows negative pressure, valve opening, general pipeline negative pressure data form report, Instructing manufacture.
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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 |
| CN107726869B (en) * | 2017-10-18 | 2019-03-12 | 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 |
| CN108562132B (en) * | 2018-04-26 | 2024-02-13 | 遵义双河生物燃料科技有限公司 | Granule dryer |
| 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 |
| 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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| 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 |
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| CN106524763A (en) | 2017-03-22 |
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