CN106048111A - Blast furnace burden screening control method - Google Patents
Blast furnace burden screening control method Download PDFInfo
- Publication number
- CN106048111A CN106048111A CN201610483203.XA CN201610483203A CN106048111A CN 106048111 A CN106048111 A CN 106048111A CN 201610483203 A CN201610483203 A CN 201610483203A CN 106048111 A CN106048111 A CN 106048111A
- Authority
- CN
- China
- Prior art keywords
- flow
- interval
- screening
- blast furnace
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/006—Automatically controlling the process
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combined Means For Separation Of Solids (AREA)
- Manufacture Of Iron (AREA)
- Blast Furnaces (AREA)
Abstract
The invention discloses a blast furnace burden screening control method applied to a blast furnace burden screening control system. The blast furnace burden screening control method comprises the steps that the actual second flow value that current raw materials enter a furnace is obtained; whether the actual second flow value is in the second flow control section or not is judged, wherein the second flow control section is matched with the current raw materials; when the judgment result shows that the actual second flow value is not in the second flow control section, the vibration frequency is adjusted; and the adjusted vibration frequency value is fed back to a feeder of the blast furnace, and the feeder adjusts the feeding amount of a vibration screen according to the vibration frequency value. The technical problem that in the prior art, limitation exists in improvement of the raw material screening effect is effectively solved, the screening effect of the raw materials entering the furnace is greatly improved, the powder entering the blast furnace is greatly reduced, and stable and smooth blast furnace running and load improving can be well promoted.
Description
Technical field
The present invention relates to ironmaking field of engineering technology, particularly relate to a kind of blast furnace burden screening control method.
Background technology
Blast furnace burden is the basis of blast fumance, and concentrate is the modernization large blast furnace basic demand to raw material, is high
Stove is along steady basis.Blast furnace raw material worker is devoted to improve the quality of feed stock for blast furnace always, takes conjunction by screening sieve
The raw material of suitable particle diameter, reduce as far as possible feed stock for blast furnace containing powder rate, blast furnace stable smooth operation is played an important role.Existing blast furnace burden
Screening control method has two kinds, sluice gate dental lamina aperture control methods and material screening time control act on feed bin.
On feed bin, sluice gate dental lamina aperture control methods is the difference according to material kind, rule of thumb uses manual change's feed bin brake application
The feeding adjusting control vibrosieve of mouth dental lamina aperture, although this method serves control feeding to a certain extent
Effect, do not introduce quantitative criteria, to blast furnace raw material change adaptation indifferent, screening effect is poor, and more powder enters
Enter blast furnace, affect blast furnace permeability, cause the poor stability of coal gas.When material screening time control act is by computer program
Between computer, the sieving time of every tank material is calculated, according to sieve material total time difference, adjust sluice gate dental lamina aperture.
Concrete way is to be timing starting point by choosing the enabling signal of every vibrosieve, and weighing pot full value vibrosieve stops vibration
As timing halt, count every batch of overall sieving time entering furnace charge, through the sieving time of feed stock for blast furnace is added up
Analyzing, the screening formulating different furnace charge adjusts standard, thus realizes more accurately adjusting controlling sluice gate dental lamina aperture on feed bin.
Sieving time control methods goes up sluice gate dental lamina aperture control methods relatively, although can to a certain degree improve and make feed stock for blast furnace
Screening effect, but when weighing pot sieve material setting value change time or crude fuel change time, it is clear that, sieving time control
Preparation method but can not adjust fast, accurately, therefore has limitation in material screening effect improving.
Summary of the invention
The embodiment of the present invention, by providing a kind of blast furnace burden screening control method, solves existing sieving time control methods
Improving limited technical problem in material screening effect.
First aspect, embodiments provides a kind of blast furnace burden screening control method, is applied to a blast furnace burden
In screening control system, described blast furnace burden screening control method includes:
Obtain current raw material and enter the second flow actual value of stove；
Judge described second flow actual value whether in volume per second control interval, wherein, described volume per second control interval with
Described current raw material mates；
When judged result is no, adjust frequency of vibration；
Frequency of vibration value after adjusting feeds back to the batcher of described blast furnace, makes described batcher according to described vibration frequency
Rate value adjusts vibrosieve feeding coal.
Preferably, after judging that described second flow actual value is whether in volume per second control interval, described method is also wrapped
Include:
When judged result is no, carry out alarm.
Preferably, if the screening second flow upper limit that described second flow actual value is interval more than described volume per second control, described
Adjust frequency of vibration particularly as follows: reduce described frequency of vibration；
If the screening second flow lower limit that described second flow actual value is interval less than described volume per second control, described adjustment is vibrated
Frequency is particularly as follows: increase described frequency of vibration.
Preferably, described volume per second control is interval, and be specially preset in described blast furnace burden screening control system is former
Beginning second flow sets interval.
Preferably, described volume per second control is interval particularly as follows: receive the interval institute of second flow screening expectation of operator's input
Generate；
Wherein, when rainy season or winter production, described second flow screening expectation interval sets more than described original second flow
Interval, when described current raw material is better than quality of furnace charge meansigma methods, described second flow screening expectation interval is less than the described original second
Flow set is interval.
Preferably, described original second flow setting interval determines for experimental data is carried out screening.
Preferably, when described current raw material is sintering deposit, described original second flow sets interval particularly as follows: 50～80kg/
s；When described current raw material is coke, described original second flow sets interval particularly as follows: 50～100kg/s；Described current raw material
During for pelletizing, described original second flow sets interval particularly as follows: 20～40kg/s；When described current raw material is Australia ore deposit, described former
Beginning second flow sets interval particularly as follows: 60～80kg/s；When described current raw material is miscellaneous ore deposit, described original second flow sets interval
Particularly as follows: 60～80kg/s.
Preferably, after the current raw material of described acquisition enters the second flow actual value of stove, described method also includes:
Persistently storage records each described second flow actual value, forms the second flow actual value set of every batch of material screening；
Described second flow actual value set is carried out contrast process, determines from described second flow actual value set
Good screening control interval；
Replacing a upper screening control interval with described current optimal screening control interval, write is as described volume per second control
Interval, wherein, a described upper screening control interval is that original second flow sets interval or upper one most preferably sieves control interval.
Preferably, the current raw material of described acquisition enters the second flow actual value of stove, including:
Weighing pot weight is gathered at each time point；
Weighing pot weight changing value is defined as described second flow actual value, wherein, described title divided by second level screening duration
Measuring tank weight changing value is the difference between the weighing pot gravimetric value of current point in time and the weighing pot gravimetric value of previous time point.
The one or more technical schemes provided in the embodiment of the present invention, at least have the following technical effect that or advantage:
1, the second flow actual value of stove is entered owing to have employed the current raw material of acquisition；Then judge that whether second flow actual value exists
Frequency of vibration is adjusted when inherence, volume per second control interval judged result is no；Then the frequency of vibration value feedback after adjusting is paramount
The batcher of stove, makes batcher adjust vibrosieve feeding coal according to frequency of vibration value.Thus the sieve material of each second can be understood in real time
Weight, makes in raw materials control quantization more accurate, can be adjusted sieve material feeding coal in real time, it is achieved that to material screening mistake
Journey is dynamic, quantify supervision and control, make Vibration Screen component be in optimum state all the time, even if the sieve material of weighing pot sets
Value change time or crude fuel change and be also unaffected, efficiently solve existing sieving time control methods and improving raw material
Limited technical problem on screening effect, significantly improves the screening effect of feed stock for blast furnace, makes blast furnace feeding powder big
Width reduces, and can well promote blast furnace stable smooth operation and Load lifting.
Volume per second control interval is adjusted by the second flow screening expectation interval 2, receiving operator's input, thus realizes
Can adjust the feeding coal of vibrosieve under the conditions of varying environment, different material in time, the screening amount making vibrosieve is the most true
Protect and be in adaptive current optimum state.
3, the second flow actual value set of every batch of material screening is recorded due to storage, it is possible to realization can to screening control situation
Review, it is simple to optimal screening of constantly analyzing and researching out the second flow actual value set stored controls parameter, it is achieved thereby that sieve
Divide the lasting improvement of effect.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
Fig. 1 is the flow chart of blast furnace burden screening control method in the embodiment of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
A kind of blast furnace burden screening control method that the embodiment of the present invention provides, is applied to blast furnace burden screening control system
In, with reference to shown in Fig. 1, this blast furnace burden screening control method comprises the steps:
S101, obtain current raw material and enter the second flow actual value of stove.
Wherein, S101 specifically includes following steps: gather weighing pot weight at each time point.Thus obtain each time
The gravimetric tank gravimetric value of point.Then, weighing pot weight changing value is defined as second flow actual value divided by second level screening duration.Tool
Body, weighing pot weight changing value is the weighing pot weight change of adjacent time point, in specific implementation process, weighing pot weight
Changing value is that the weighing pot gravimetric value of current point in time subtracts each other, with the weighing pot gravimetric value of previous time point, the difference obtained.
In specific implementation process, S101 is for continuously carrying out or or continuing, to be continuously obtained according to prefixed time interval
Raw material enters the second flow actual value of stove.
Then, enter the second flow actual value of stove obtaining raw material every time, be carried out S102: whether judge second flow actual value
In volume per second control interval, wherein, volume per second control is interval and current raw material mates.
Concrete, volume per second control is interval and current raw material coupling indication is the second flow control that different material kinds is mated
System interval is different.In specific implementation process, the volume per second control interval of same material kind is not changeless, but
Persistently improve volume per second control according to actual production interval, be continuously available and currently most preferably sieve control interval, thus realize screening
The lasting improvement of effect, then detailed description of the invention is as follows:
In the starting stage that blast furnace burden screening controls, volume per second control interval controls system for being preset in blast furnace burden screening
Original second flow in system sets interval.Specifically, the original second flow that different material kind is mated sets interval different, often
The volume per second control interval planting raw material can be all experimental data to be carried out screening determine.For example, current raw material is sintering
During ore deposit, original second flow sets interval particularly as follows: 50～80kg/s；When current raw material is coke, original second flow sets interval
Particularly as follows: 50～100kg/s；When current raw material is pelletizing, original second flow sets interval particularly as follows: 20～40kg/s；Currently
When raw material is Australia ore deposit, original second flow sets interval particularly as follows: 60～80kg/s；When current raw material is miscellaneous ore deposit, original second flow
Set interval particularly as follows: 60～80kg/s.
After the starting stage that blast furnace burden screening controls, the weight sieving raw material each second is made to show at monitor terminal
On, volume per second control interval can be adjusted by operator in time, then volume per second control interval specially reception operator is defeated
The second flow screening expectation interval entered is generated.Wherein, when rainy season or winter production, the second flow screening expectation district of input
Between set interval more than original second flow, when current raw material is better than quality of furnace charge meansigma methods, second flow screening expectation is interval little
Interval is set in original second flow.Thus operator can according to current practice appropriateness relaxing or reducing control interval,
Such as, shown below is these five kinds of sintering deposit, coke, pelletizing, Australia ore deposit and miscellaneous ore deposit material kind under normal circumstances, in the winter time and rain
Under the conditions of season, and under the conditions of current raw material is better than quality of furnace charge meansigma methods, on the screening second flow that volume per second control is interval,
Lower limit, with reference to shown in table 1 below:
The screening second flow upper and lower limit of the different material kind of table 1.
Thus volume per second control interval can be adjusted under different material condition, varying environment in time and make to control more reasonable
In the range of, give full play to the optimum efficiency of vibration screen, make the screening amount of vibrosieve be in optimum state all the time.
After the starting stage that blast furnace burden screening controls, volume per second control interval is specifically as follows historical storage
Second flow actual value application PDCA (Plan Do Check Action) circulation automatically analyzes and draws and currently most preferably sieve control zone
Between.
Specifically, it is after the current raw material of acquisition enters the second flow actual value of stove, the second flow that storage record obtains
Actual value, thus form the second flow actual value set of every batch of material screening, second flow actual value set is carried out contrast process, should
Determine from second flow actual value set with PDCA and currently most preferably sieve control interval.Replace with current optimal screening control interval
A upper screening control interval, so that the most most preferably screening control interval is write as volume per second control interval, wherein, a upper screening
Control interval is that original second flow sets interval or upper one most preferably sieves control interval.Such as, when replacing for the first time, replaced
A upper screening control interval be that original second flow sets interval, every time replacing after replacing it for the first time is last application
What PDCA circulation automatically analyzed out most preferably sieves control interval (most preferably the sieving control interval of last write).Thus second flow
What control interval was lasting changes to, in more zone of reasonableness, give full play to the optimum efficiency of vibration screen automatically, makes the sieve of vibrosieve
Component is in optimum state all the time.
S103, when judged result is no, adjust frequency of vibration.
S104, will adjust after frequency of vibration value feed back to the batcher of blast furnace, make batcher adjust according to frequency of vibration value
Whole vibrosieve feeding coal.
Specifically, there is direct relation due to the good of feed stock for blast furnace screening effect and bad and vibrosieve feeding coal.Namely
Say that the feeding control of vibrosieve, in rational interval range, can give full play to the optimum efficiency of vibration screen.Vibration
The feeding coal of sieve is excessive, causes the bed of material on screen cloth blocked up, causes finished product material powder too much, affects smooth operation of furnace；Vibrosieve
Feeding coal is too small, causes the long badly damaged screening plant of sieving time, and the generation having jumping material phenomenon (i.e. has part former
Expect the most screened to be directly entered finished product batch can).Thus the supervision of material screening process dynamics quantization and control control vibrosieve
Rationally feeding coal, it is possible to optimize screening efficiency.
In further technical scheme, this blast furnace burden screening control method also comprises the steps: in judged result
For time no, carry out alarm, play the effect of warning operator.
Below, as a example by the heat size blast furnace as 5500m3, use the present invention provide blast furnace burden screening control method with
Existing furnace charge sieving time control methods carries out sieving the test of sintering deposit, and the measured data drawn is as shown in table 2 below:
Table 2. enters the contrast of stove ore deposit grain size category measured data when sieving sintering deposit
As can be seen from Table 2, after implementing furnace charge screening volume per second control method, when entering stove sintering deposit particle diameter ＜ 5mm, powder is significantly
Reduce.
By in the invention described above embodiment provide one or more technical schemes, at least have the following technical effect that or
Advantage:
1, the second flow actual value of stove is entered owing to have employed the current raw material of acquisition；Then judge that whether second flow actual value exists
Frequency of vibration is adjusted when inherence, volume per second control interval judged result is no；Then the frequency of vibration value feedback after adjusting is paramount
The batcher of stove, makes batcher adjust vibrosieve feeding coal according to frequency of vibration value.Thus the sieve material of each second can be understood in real time
Weight, makes in raw materials control quantization more accurate, can be adjusted sieve material feeding coal in real time, it is achieved that to material screening mistake
Journey is dynamic, quantify supervision and control, make Vibration Screen component be in optimum state all the time, even if the sieve material of weighing pot sets
Value change time or crude fuel change and be also unaffected, efficiently solve existing sieving time control methods and improving raw material
Limited technical problem on screening effect, significantly improves the screening effect of feed stock for blast furnace, makes blast furnace feeding powder big
Width reduces, and can well promote blast furnace stable smooth operation and Load lifting.
Volume per second control interval is adjusted by the second flow screening expectation interval 2, receiving operator's input, thus realizes
Can adjust the feeding coal of vibrosieve under the conditions of varying environment, different material in time, the screening amount making vibrosieve is the most true
Protect and be in adaptive current optimum state.
3, the second flow actual value set of every batch of material screening is recorded due to storage, it is possible to realization can to screening control situation
Review, it is simple to optimal screening of constantly analyzing and researching out the second flow actual value set stored controls parameter, it is achieved thereby that sieve
Divide the lasting improvement of effect.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a blast furnace burden screening control method, is applied in a blast furnace burden screening control system, it is characterised in that described
Blast furnace burden screening control method includes:
Obtain current raw material and enter the second flow actual value of stove；
Judge described second flow actual value whether in volume per second control interval, wherein, described volume per second control is interval and described
Current raw material coupling；
When judged result is no, adjust frequency of vibration；
Frequency of vibration value after adjusting feeds back to the batcher of described blast furnace, makes described batcher according to described frequency of vibration value
Adjust vibrosieve feeding coal.
2. blast furnace burden screening control method as claimed in claim 1, it is characterised in that judging described second flow actual value
Whether after in volume per second control interval, described method also includes:
When judged result is no, carry out alarm.
3. blast furnace burden screening control method as claimed in claim 2, it is characterised in that if described second flow actual value is more than
The screening second flow upper limit that described volume per second control is interval, described adjustment frequency of vibration is particularly as follows: reduce described frequency of vibration；
If the screening second flow lower limit that described second flow actual value is interval less than described volume per second control, described adjustment frequency of vibration
Particularly as follows: increase described frequency of vibration.
4. blast furnace burden screening control method as claimed in claim 3, it is characterised in that described volume per second control is interval, tool
Body is that the original second flow being preset in described blast furnace burden screening control system sets interval.
5. blast furnace burden screening control method as claimed in claim 3, it is characterised in that described volume per second control is interval concrete
By: the second flow screening receiving operator's input expects what interval was generated；
Wherein, when rainy season or winter production, described second flow screening expectation interval sets interval more than described original second flow,
When described current raw material is better than quality of furnace charge meansigma methods, described second flow screening expectation interval sets less than described original second flow
Fixed interval.
6. the blast furnace burden screening control method as described in claim 4 or 5, it is characterised in that described original second flow sets
Interval determines for experimental data is carried out screening.
7. blast furnace burden screening control method as claimed in claim 6, it is characterised in that
When described current raw material is sintering deposit, described original second flow sets interval particularly as follows: 50～80kg/s；
When described current raw material is coke, described original second flow sets interval particularly as follows: 50～100kg/s；
When described current raw material is pelletizing, described original second flow sets interval particularly as follows: 20～40kg/s；
When described current raw material is Australia ore deposit, described original second flow sets interval particularly as follows: 60～80kg/s；
When described current raw material is miscellaneous ore deposit, described original second flow sets interval particularly as follows: 60～80kg/s.
8. blast furnace burden screening control method as claimed in claim 1, it is characterised in that enter stove at the current raw material of described acquisition
Second flow actual value after, described method also includes:
Persistently storage records each described second flow actual value, forms the second flow actual value set of every batch of material screening；
Described second flow actual value set is carried out contrast process, determines current optimal sieve from described second flow actual value set
Divide control interval；
Replacing a upper screening control interval with described current optimal screening control interval, write is as described volume per second control district
Between, wherein, a described upper screening control interval is that original second flow sets interval or upper one most preferably sieves control interval.
9. blast furnace burden screening control method as claimed in claim 1, it is characterised in that the current raw material of described acquisition enters stove
Second flow actual value, including:
Weighing pot weight is gathered at each time point；
Weighing pot weight changing value is defined as described second flow actual value, wherein, described weighing pot divided by second level screening duration
Weight changing value is the difference between the weighing pot gravimetric value of current point in time and the weighing pot gravimetric value of previous time point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483203.XA CN106048111B (en) | 2016-06-28 | 2016-06-28 | A kind of blast furnace burden screening control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483203.XA CN106048111B (en) | 2016-06-28 | 2016-06-28 | A kind of blast furnace burden screening control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106048111A true CN106048111A (en) | 2016-10-26 |
| CN106048111B CN106048111B (en) | 2019-04-12 |
Family
ID=57166703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610483203.XA Active CN106048111B (en) | 2016-06-28 | 2016-06-28 | A kind of blast furnace burden screening control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106048111B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107574275A (en) * | 2017-09-15 | 2018-01-12 | 首钢京唐钢铁联合有限责任公司 | Prevent the method and device of furnace top material tank for blast furnace heavy burder |
| CN108254216A (en) * | 2018-03-15 | 2018-07-06 | 攀钢集团西昌钢钒有限公司 | Mineral aggregate sampling method, device and the readable storage medium storing program for executing of a kind of blast furnace |
| CN110274841A (en) * | 2018-03-15 | 2019-09-24 | 中冶长天国际工程有限责任公司 | The diagnostic method and device of screening process in sintering fuel granularmetric composition detection system |
| CN111703751A (en) * | 2020-08-03 | 2020-09-25 | 广东韶钢松山股份有限公司 | Bin mouth, discharging device and method |
| CN112322812A (en) * | 2020-10-14 | 2021-02-05 | 首钢京唐钢铁联合有限责任公司 | Method and device for controlling fuel charging of material tank |
| CN113219843A (en) * | 2021-06-11 | 2021-08-06 | 武汉科技大学 | Self-adaptive control system and method for dynamic load of screen surface of vibrating screen |
| CN114893138A (en) * | 2022-05-10 | 2022-08-12 | 佰思迪(天津)科技有限公司 | Pulse type negative pressure adsorption equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402231A (en) * | 2011-09-21 | 2012-04-04 | 河北省首钢迁安钢铁有限责任公司 | Electric vibration discharging control method and system |
| CN102799116A (en) * | 2011-05-24 | 2012-11-28 | 宝山钢铁股份有限公司 | Multi-variety coke screening nonlinear control device and method |
-
2016
- 2016-06-28 CN CN201610483203.XA patent/CN106048111B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799116A (en) * | 2011-05-24 | 2012-11-28 | 宝山钢铁股份有限公司 | Multi-variety coke screening nonlinear control device and method |
| CN102402231A (en) * | 2011-09-21 | 2012-04-04 | 河北省首钢迁安钢铁有限责任公司 | Electric vibration discharging control method and system |
Non-Patent Citations (1)
| Title |
|---|
| 刘长江 等: ""京唐高炉精准布料实践"", 《矿冶（增刊）》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107574275A (en) * | 2017-09-15 | 2018-01-12 | 首钢京唐钢铁联合有限责任公司 | Prevent the method and device of furnace top material tank for blast furnace heavy burder |
| CN107574275B (en) * | 2017-09-15 | 2019-07-02 | 首钢京唐钢铁联合有限责任公司 | Prevent the method and device of furnace top material tank for blast furnace heavy burder |
| CN108254216A (en) * | 2018-03-15 | 2018-07-06 | 攀钢集团西昌钢钒有限公司 | Mineral aggregate sampling method, device and the readable storage medium storing program for executing of a kind of blast furnace |
| CN110274841A (en) * | 2018-03-15 | 2019-09-24 | 中冶长天国际工程有限责任公司 | The diagnostic method and device of screening process in sintering fuel granularmetric composition detection system |
| CN108254216B (en) * | 2018-03-15 | 2021-04-27 | 攀钢集团西昌钢钒有限公司 | Method and device for sampling mineral aggregate of blast furnace tank and readable storage medium |
| CN110274841B (en) * | 2018-03-15 | 2021-12-24 | 中冶长天国际工程有限责任公司 | Diagnosis method and device for screening process in sintered fuel grain size composition detection system |
| CN111703751A (en) * | 2020-08-03 | 2020-09-25 | 广东韶钢松山股份有限公司 | Bin mouth, discharging device and method |
| CN112322812A (en) * | 2020-10-14 | 2021-02-05 | 首钢京唐钢铁联合有限责任公司 | Method and device for controlling fuel charging of material tank |
| CN112322812B (en) * | 2020-10-14 | 2022-07-15 | 首钢京唐钢铁联合有限责任公司 | Method and device for controlling fuel feeding of material tank |
| CN113219843A (en) * | 2021-06-11 | 2021-08-06 | 武汉科技大学 | Self-adaptive control system and method for dynamic load of screen surface of vibrating screen |
| CN114893138A (en) * | 2022-05-10 | 2022-08-12 | 佰思迪(天津)科技有限公司 | Pulse type negative pressure adsorption equipment |
| CN114893138B (en) * | 2022-05-10 | 2023-11-17 | 佰思迪(天津)科技有限公司 | Pulse type negative pressure adsorption equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106048111B (en) | 2019-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106048111A (en) | Blast furnace burden screening control method | |
| CN107377170B (en) | Artificial gravel aggregate production system | |
| CN206229696U (en) | A kind of vertical particle tealeaves skimming screening plant | |
| CN206292622U (en) | Disk pelletizing intellectuality production control system | |
| CN205813554U (en) | A kind of tobacco processing line constant flux control system | |
| CN108129050A (en) | A kind of device and method for controlling product grain fineness number modulus | |
| CN108345281B (en) | Method for controlling ore feeding lumpiness ore blending in ore dressing process | |
| CN104722237A (en) | Complete production device for combusting coal water slurry | |
| CN108940462A (en) | A kind of On-Line Control Method of coking mixed coal smashing fineness | |
| CN206778210U (en) | A kind of system of compounding ingredient containing Iron Ore Powder | |
| CN2249127Y (en) | Adding-ratio controller for sintering added coal powder | |
| CN101532081B (en) | Method and device for optimizing sintering solid fuel mixing rate | |
| CN110079667A (en) | Material moisture regulating system and method in a kind of pelletizing production | |
| CN102520691A (en) | Burn-through point control system and method thereof | |
| CN110639684B (en) | Coordinated optimization control method of semi-final cement grinding system | |
| CN204047861U (en) | A kind of refining tea grading production line | |
| CN205644257U (en) | Cement raw feed proportioning system based on fuzzy matching and rate value feedback | |
| CN103234351B (en) | Control method for carbon content of sintered material | |
| CN102799116B (en) | Multi-variety coke screening nonlinear control device and method | |
| CN213923210U (en) | Sintering batching system | |
| JP2012158813A (en) | Charging method of sintering material | |
| CN104927888B (en) | The determination method of coking coal as-fired coal Task-size Controlling point | |
| CN109988909A (en) | A kind of material adjusting method and device for pelletizer | |
| CN206199102U (en) | A kind of biomass carbon base soil heavy metal passivant process units | |
| CN111054512B (en) | Ore crushing and grinding parameter control method and device in SABC crushing and grinding process system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |