CN106967860A - Diagnosis and analysis method for blast furnace running state - Google Patents

Diagnosis and analysis method for blast furnace running state Download PDF

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CN106967860A
CN106967860A CN201710188021.4A CN201710188021A CN106967860A CN 106967860 A CN106967860 A CN 106967860A CN 201710188021 A CN201710188021 A CN 201710188021A CN 106967860 A CN106967860 A CN 106967860A
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blast furnace
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evaluation parameter
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CN106967860B (en
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张贺顺
任立军
陈军
黄俊杰
刘长江
王有良
沈海波
郭之明
程宝得
王刚毅
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Shougang Jingtang United Iron and Steel Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
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Abstract

The invention relates to a diagnosis and analysis method for the operation state of a blast furnace, which comprises the following steps: obtaining high-efficiency index evaluation parameters according to the actual daily capacity and the standard design capacity of the blast furnace; obtaining a high-efficiency index stability parameter according to the high-efficiency index evaluation parameter; acquiring a low-consumption index evaluation parameter according to the actual fuel ratio of the blast furnace and the reference design fuel ratio; obtaining a low-consumption index stability parameter according to the low-consumption index evaluation parameter; obtaining a smooth and steady index evaluation parameter according to the high-efficiency index stability parameter and the low-consumption index stability parameter; obtaining a total operation evaluation parameter according to the high-efficiency index evaluation parameter, the low-consumption index evaluation parameter and the smooth index evaluation parameter; and obtaining a basic diagnosis result according to the overall operation evaluation parameters. The diagnosis and analysis method for the blast furnace running state enables the blast furnace running state to be more specific and specific, and is beneficial to managing and guiding the production site of the blast furnace.

Description

A kind of diagnostic analysis method of operation of blast furnace state
Technical field
The present invention relates to metallurgical technology field, more particularly to a kind of diagnostic analysis method of operation of blast furnace state.
Background technology
For blast fumance scene, characterize and looked in the parameter up to tens of operation of blast furnace state, multi-parameter of how comforming To the parameter of accurate characterization operation of blast furnace state, and it is asking for current urgent need solution to carry out the diagnostic analysis of operation of blast furnace state Topic, it is therefore desirable to propose a kind of brand-new diagnostic analysis method to carry out the science diagnostic analysis of operation of blast furnace state.
Blast furnace diagnostic analysis method is more complicated in the prior art, it is impossible to convenient accurately to obtain diagnostic result.
The content of the invention
The invention provides a kind of diagnostic analysis method of operation of blast furnace state, solve or part solves prior art Middle blast furnace diagnostic analysis method is more complicated, it is impossible to the convenient technical problem for accurately obtaining diagnostic result, realizes to blast furnace Quickly and easily analyzing and diagnosing, convenient accurately to obtain blast furnace diagnostic result, makes operation of blast furnace state definitely specific, favorably In the technique effect for managing and instructing blast fumance scene.
A kind of diagnostic analysis method for operation of blast furnace state that the present invention is provided, comprises the following steps：
Efficient metrics evaluation parameter is obtained according to the actual day production capacity of the blast furnace and reference design production capacity；According to the height Imitate the efficient index stability parameter of metrics evaluation gain of parameter；
Low consumption metrics evaluation parameter is obtained according to the natural fuel of blast furnace ratio and reference design fuel ratio；According to described Low consumption metrics evaluation gain of parameter low consumption index stability parameter；
Obtained and joined along steady metrics evaluation according to the efficient index stability parameter and the low consumption index stability parameter Number；
Obtained according to the efficient metrics evaluation parameter, the low consumption metrics evaluation parameter and the suitable steady metrics evaluation parameter Obtain overall operation evaluating；
The basic diagnostic result of the blast furnace is obtained according to the overall operation evaluating.
Join preferably, the actual day production capacity according to the blast furnace obtains efficient metrics evaluation with reference design production capacity Number includes：
According to the actual day production capacity and the reference design production capacity, calculated by efficient Index Formula and obtain described efficient Metrics evaluation parameter；
The efficient Index Formula is：
The efficient metrics evaluation parameter is equal to the ratio that the actual day production capacity is multiplied by 90 and the reference design production capacity.
Preferably, described include according to the efficient efficient index stability parameter of metrics evaluation gain of parameter：
The efficient metrics evaluation parameter of selection 7 days, calculates the first of the efficient metrics evaluation parameter for obtaining 7 days Standard deviation and the first average value；
According to first standard deviation and the first average value, calculated by efficient stable formula and obtain the efficient index Stability parameter；
The efficient stable formula is：
The efficient index stability parameter is equal to 100, and to be multiplied by 100 with first standard deviation again divided by described first flat The difference of inequality.
Preferably, the natural fuel ratio according to the blast furnace obtains low consumption metrics evaluation with reference design fuel ratio Parameter includes：
According to the natural fuel ratio and the reference design fuel ratio, calculated by low consumption Index Formula and obtain described low Consume metrics evaluation parameter；
The low consumption Index Formula is：
The low consumption metrics evaluation parameter multiplies after subtracting the natural fuel ratio with the reference design fuel ratio equal to 90 With 100 and divided by the reference design fuel ratio value sum.
Preferably, described include according to the low consumption metrics evaluation gain of parameter low consumption index stability parameter：
The low consumption metrics evaluation parameter of selection 7 days, calculates the second of the low consumption metrics evaluation parameter for obtaining 7 days Standard deviation and the second average value；
According to second standard deviation and the second average value, calculated by low consumption stability formula and obtain the low consumption index Stability parameter；
The low consumption stability formula is：
The low consumption index stability parameter is equal to 100, and to be multiplied by 100 with second standard deviation again divided by described second flat The difference of inequality.
Preferably, described obtain suitable according to the efficient index stability parameter and the low consumption index stability parameter Steady metrics evaluation parameter includes：
According to the efficient index stability parameter and the low consumption index stability parameter, by along steady Index Formula meter Calculate and obtain described along steady metrics evaluation parameter；
It is described to be along steady Index Formula：
It is described to be equal to efficient the index stability parameter divided by 2 value and the low consumption index along steady metrics evaluation parameter The sum of stability parameter divided by 2 value.
Preferably, described according to the efficient metrics evaluation parameter, the low consumption metrics evaluation parameter and described along steady Metrics evaluation gain of parameter overall operation evaluating includes：
According to the efficient metrics evaluation parameter, the low consumption metrics evaluation parameter and the suitable steady metrics evaluation parameter, Calculated by overall operation judgement schematics and obtain the overall operation evaluating；
The overall operation judgement schematics are：
The overall operation evaluating is equal to the efficient metrics evaluation parameter, the low consumption metrics evaluation parameter and institute State the average value along steady metrics evaluation parameter.
Preferably, the basic diagnostic result for obtaining the blast furnace according to the overall operation evaluating includes：
The value of the overall operation evaluating is divided into four opinion ratings；Four opinion ratings are respectively： Excellent level, good grade, middle grade and poor grade；
The basic diagnostic result includes：First operation of blast furnace situation, the second operation of blast furnace situation, the 3rd operation of blast furnace shape Condition and the 4th operation of blast furnace situation；The first operation of blast furnace situation correspondence excellent level；The second operation of blast furnace situation The correspondence good grade；The 3rd operation of blast furnace situation correspondence middle grade；The 4th operation of blast furnace situation correspondence institute State poor grade.
Include preferably, the value by the overall operation evaluating is divided into four opinion ratings：
When the value of the overall operation evaluating is more than or equal to 95, the overall operation evaluating is excellent level；
When the value of the overall operation evaluating is more than or equal to 90 and is less than 95, the overall operation evaluating is Good grade；
When the value of the overall operation evaluating is more than 85 and is less than 90, the overall operation evaluating is medium Level；
When the value of the overall operation evaluating is less than or equal to 85, the overall operation evaluating is poor grade.
Preferably, the first operation of blast furnace situation includes：The super design yield of the yield of the blast furnace is more, the height The fuel consumption of stove is more better than the level of design fuel consumption, the efficient metrics evaluation parameter and the low consumption metrics evaluation Parameter continues relatively to stablize for 7 days；
The second operation of blast furnace situation includes：The yield can reach the design yield, and the fuel consumption is in The level of the design fuel consumption, the efficient metrics evaluation parameter continues 7 days relatively with the low consumption metrics evaluation parameter It is stable；
The 3rd operation of blast furnace situation includes：The yield design yield is relatively low, and the fuel consumption is compared with institute State the horizontal departure of design fuel consumption, it is relative in the efficient metrics evaluation parameter and the low consumption metrics evaluation parameter 7 days Bad stability；
The 4th operation of blast furnace situation includes：The yield be far below the design yield, the fuel consumption more than It is relative in the level error of the design fuel consumption, the efficient metrics evaluation parameter and the low consumption metrics evaluation parameter 7 days Fluctuation is larger.
One or more technical schemes provided herein, have at least the following technical effects or advantages：
Efficient metrics evaluation parameter is obtained as a result of the actual day production capacity according to blast furnace and reference design production capacity；According to The efficient index stability parameter of efficient metrics evaluation gain of parameter；Obtained according to the natural fuel of blast furnace ratio and reference design fuel ratio Obtain low consumption metrics evaluation parameter；According to low consumption metrics evaluation gain of parameter low consumption index stability parameter；It is steady according to efficient index Qualitative parameter is obtained along steady metrics evaluation parameter with low consumption index stability parameter；Referred to according to efficient metrics evaluation parameter, low consumption Mark evaluating and along steady metrics evaluation gain of parameter overall operation evaluating；Being obtained according to overall operation evaluating can be straight See capacity efficiency, the basic diagnostic result of three aspects of fuel consumption and operation stability of reflection blast furnace, basis diagnosis knot Fruit makes operation of blast furnace state definitely specific, is conducive to managing and instructs blast fumance scene.So, efficiently solve existing Blast furnace diagnostic analysis method is more complicated in technology, it is impossible to the convenient technical problem for accurately obtaining diagnostic result, realizes pair Blast furnace quickly and easily analyzing and diagnosing, accurately obtains blast furnace diagnostic result, makes operation of blast furnace state definitely specific, favorably In the technique effect for managing and instructing blast fumance scene.
Brief description of the drawings
The schematic flow sheet of the diagnostic analysis method for the operation of blast furnace state that Fig. 1 provides for the present invention.
Embodiment
The embodiment of the present application provides a kind of diagnostic analysis method of operation of blast furnace state, solves or part is solved now Have blast furnace diagnostic analysis method in technology more complicated, it is impossible to the convenient technical problem for accurately obtaining diagnostic result, by from The capacity efficiency of blast furnace, three sides of fuel consumption and operation stability set up index parameter and obtain overall operation evaluation ginseng Number, the basic diagnostic result of blast furnace is obtained further according to overall operation evaluating, realizes quickly and easily to analyze blast furnace and examines It is disconnected, blast furnace diagnostic result is accurately obtained, makes operation of blast furnace state definitely specific, is conducive to managing and instructing blast fumance The technique effect at scene.
A kind of diagnostic analysis method of the operation of blast furnace state provided referring to accompanying drawing 1, the present invention, comprises the following steps：
S1：Efficient metrics evaluation parameter TC1 is obtained according to the actual day production capacity of blast furnace and reference design production capacity；According to efficient Metrics evaluation parameter TC1 obtains efficient index stability parameter TC3_1.
S2：Low consumption metrics evaluation parameter TC2 is obtained according to the natural fuel of blast furnace ratio and reference design fuel ratio；According to low Consume metrics evaluation parameter TC2 and obtain low consumption index stability parameter TC3_2.
S3：Obtained and commented along steady index according to efficient index stability parameter TC3_1 and low consumption index stability parameter TC3_2 Valency parameter TC3.
S4：Obtained according to efficient metrics evaluation parameter TC1, low consumption metrics evaluation parameter TC2 and along steady metrics evaluation parameter TC3 Obtain overall operation evaluating TC.
S5：The basic diagnostic result of blast furnace is obtained according to overall operation evaluating TC.
Wherein, the capacity efficiency, fuel consumption and operation of blast furnace can intuitively be reflected by being obtained according to overall operation evaluating The basic diagnostic result of three aspects of stability, when acquisition blast furnace is in the basic diagnostic result of interim (weekly or every month) Afterwards, administrative staff can intuitively obtain operation of blast furnace state, then instruct its local parameter to operation of blast furnace to be adjusted, To improve the running status of blast furnace.The diagnostic analysis method makes operation of blast furnace state definitely specific, is conducive to managing and refers to Lead blast fumance scene.
Further, the actual day production capacity according to blast furnace in step S1 obtains efficient metrics evaluation with reference design production capacity Parameter TC1 includes：
According to actual day production capacity and reference design production capacity, calculated by efficient Index Formula and obtain efficient metrics evaluation parameter TC1。
Efficiently Index Formula is：Efficient metrics evaluation parameter TC1 is multiplied by 90 and reference design production capacity equal to actual day production capacity Ratio.
Further, the efficient metrics evaluation parameter TC1 of basis in step S1 obtains efficient index stability parameter TC3_1 Including：
The efficient metrics evaluation parameter TC1 of selection 7 days, calculates the first mark for the efficient metrics evaluation parameter TC1 for obtaining 7 days Quasi- difference and the first average value；According to the first standard deviation and the first average value, calculated by efficient stable formula and obtain efficiently finger Mark stability parameter TC3_1.
Efficient stable formula is：Efficient index stability parameter TC3_1 be equal to 100 and first standard deviation be multiplied by 100 again Divided by first mean difference difference.
Further, the natural fuel ratio according to blast furnace in step S2 obtains low consumption index with reference design fuel ratio and commented Valency parameter TC2 includes：
According to natural fuel ratio and reference design fuel ratio, calculated by low consumption Index Formula and obtain low consumption metrics evaluation ginseng Number TC2.
Low consumption Index Formula is：Low consumption metrics evaluation parameter TC2 is equal to 90 and subtracts natural fuel with reference design fuel ratio Be multiplied by than after 100 and divided by reference design fuel ratio value sum.
Further, low consumption index stability parameter TC3_2 is obtained according to low consumption metrics evaluation parameter TC2 in step S2 Including：
The low consumption metrics evaluation parameter TC2 of selection 7 days, calculates the second mark for the low consumption metrics evaluation parameter TC2 for obtaining 7 days Quasi- difference and the second average value；According to the second standard deviation and the second average value, acquisition low consumption is calculated by low consumption stability formula and referred to Mark stability parameter TC3_2.
Low consumption stability formula is：Low consumption index stability parameter TC3_2 be equal to 100 and second standard deviation be multiplied by 100 again Divided by second mean difference difference.
Further, the efficient index stability parameter TC3_1 of basis and low consumption index stability parameter in step S3 TC3_2 is obtained to be included along steady metrics evaluation parameter TC3：
According to efficient index stability parameter TC3_1 and low consumption index stability parameter TC3_2, by along steady Index Formula Calculate and obtain along steady metrics evaluation parameter TC3.
It is along steady Index Formula：It is equal to efficient index stability parameter TC3_1's divided by 2 along steady metrics evaluation parameter TC3 Value and low consumption index stability parameter TC3_2 divided by 2 value and.
Further, the efficient metrics evaluation parameter TC1 of basis, low consumption metrics evaluation parameter TC2 in step S4 and along steady Metrics evaluation parameter TC3, which obtains overall operation evaluating TC, to be included：
According to efficient metrics evaluation parameter TC1, low consumption metrics evaluation parameter TC2 and along steady metrics evaluation parameter TC3, pass through Overall operation judgement schematics, which are calculated, obtains overall operation evaluating TC.
Overall operation judgement schematics are：
Overall operation evaluating TC is equal to efficient metrics evaluation parameter TC1, low consumption metrics evaluation parameter TC2 and along surely finger Mark evaluating TC3 average value.
Further, the basic diagnostic result for obtaining blast furnace according to overall operation evaluating in step S5 includes：
Overall operation evaluating TC value is divided into four opinion ratings；Four opinion ratings are respectively：Excellent level, Good grade, middle grade and poor grade.
Basic diagnostic result includes：First operation of blast furnace situation, the second operation of blast furnace situation, the 3rd operation of blast furnace situation and 4th operation of blast furnace situation；The excellent level of first operation of blast furnace situation correspondence；The good grade of second operation of blast furnace situation correspondence；3rd is high Stove operation conditions correspondence middle grade；The poor grade of 4th operation of blast furnace situation correspondence.
Wherein, overall operation evaluating TC value is divided into four opinion ratings includes：
When overall operation evaluating TC value is more than or equal to 95, overall operation evaluating TC is excellent level.
When overall operation evaluating TC value is more than or equal to 90 and is less than 95, overall operation evaluating TC is good etc. Level.
When overall operation evaluating TC value is more than 85 and is less than 90, overall operation evaluating TC is middle grade.
When overall operation evaluating TC value is less than or equal to 85, overall operation evaluating TC is poor grade.
First operation of blast furnace situation includes：The super design yield of the yield of blast furnace is more, and the fuel consumption of blast furnace is better than design The level of fuel consumption is more, and efficient metrics evaluation parameter TC1 and low consumption metrics evaluation parameter TC2 continues relatively to stablize for 7 days.
Second operation of blast furnace situation includes：Yield can reach design yield, and fuel consumption is in the water of design fuel consumption Flat, efficient metrics evaluation parameter TC1 and low consumption metrics evaluation parameter TC2 continues relatively to stablize for 7 days.
3rd operation of blast furnace situation includes：The yield design yield is relatively low, and fuel consumption is compared with design fuel consumption Horizontal departure, TC27 days interior relative stabilities of efficient metrics evaluation parameter TC1 and low consumption metrics evaluation parameter are deteriorated.
4th operation of blast furnace situation includes：Yield is far below design yield, water of the fuel consumption more than design fuel consumption Adjustment, TC27 days interior relative fluctuations of efficient metrics evaluation parameter TC1 and low consumption metrics evaluation parameter are larger.
Wherein, when overall operation evaluating TC value is more than 90, represent that the running situation of blast furnace is good, can not do Adjustment.When overall operation evaluating TC value is below 90, efficient metrics evaluation parameter TC1 value, low can be searched respectively Consume metrics evaluation parameter TC2 value and the value along steady metrics evaluation parameter TC3, the operational factor of operation conditions with reference to residing for blast furnace Carry out diagnostic analysis item by item with the theoretical operational factor to blast furnace of metallurgical technology, find out influence overall operation evaluating TC because Element；Influence overall operation evaluating TC factor by many Effects of Factors, be ranked up according to correlation size, according to from big Investigated respectively to small principle, find out Main Factors；Combined process is theoretical, and propose operation of blast furnace diagnostic analysis instructs conclusion, Main Factors are adjusted, improve operation of blast furnace state, until overall operation evaluating TC value reaches more than 90.
One or more technical schemes provided herein, have at least the following technical effects or advantages：
Efficient metrics evaluation parameter TC1 is obtained as a result of the actual day production capacity according to blast furnace and reference design production capacity； Efficient index stability parameter TC3_1 is obtained according to efficient metrics evaluation parameter TC1；According to the natural fuel of blast furnace ratio and benchmark Design fuel ratio and obtain low consumption metrics evaluation parameter TC2；Low consumption index stability ginseng is obtained according to low consumption metrics evaluation parameter TC2 Number TC3_2；Obtained according to efficient index stability parameter TC3_1 and low consumption index stability parameter TC3_2 along steady metrics evaluation Parameter TC3；Obtained according to efficient metrics evaluation parameter TC1, low consumption metrics evaluation parameter TC2 and along steady metrics evaluation parameter TC3 Overall operation evaluating TC；Being obtained according to overall operation evaluating TC can intuitively reflect that the capacity efficiency of blast furnace, fuel disappear The basic diagnostic result of consumption and three aspects of operation stability, the basic diagnostic result makes operation of blast furnace state definitely have Body, is conducive to managing and instructs blast fumance scene.So, blast furnace diagnostic analysis method in the prior art is efficiently solved to compare It is complicated, it is impossible to the convenient technical problem for accurately obtaining diagnostic result, realize to blast furnace quickly and easily analyzing and diagnosing, accurately Acquisition blast furnace diagnostic result, make operation of blast furnace state definitely specific, be conducive to managing and instruct blast fumance scene Technique effect.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not limited to this hair Bright, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. should be included in the present invention Protection domain within.

Claims (10)

1. a kind of diagnostic analysis method of operation of blast furnace state, it is characterised in that the diagnostic analysis side of the operation of blast furnace state Method comprises the following steps：
Efficient metrics evaluation parameter is obtained according to the actual day production capacity of the blast furnace and reference design production capacity；According to the efficient finger Mark evaluating and obtain efficient index stability parameter；
Low consumption metrics evaluation parameter is obtained according to the natural fuel of blast furnace ratio and reference design fuel ratio；According to the low consumption Metrics evaluation gain of parameter low consumption index stability parameter；
Obtained according to the efficient index stability parameter and the low consumption index stability parameter along steady metrics evaluation parameter；
It is total according to the efficient metrics evaluation parameter, the low consumption metrics evaluation parameter and the suitable steady metrics evaluation gain of parameter Running body evaluating；
The basic diagnostic result of the blast furnace is obtained according to the overall operation evaluating.
2. the diagnostic analysis method of operation of blast furnace state as claimed in claim 1, it is characterised in that described according to the blast furnace Actual day production capacity and reference design production capacity obtain efficient metrics evaluation parameter and include：
According to the actual day production capacity and the reference design production capacity, calculated by efficient Index Formula and obtain the efficient index Evaluating；
The efficient Index Formula is：
The efficient metrics evaluation parameter is equal to the ratio that the actual day production capacity is multiplied by 90 and the reference design production capacity.
3. the diagnostic analysis method of operation of blast furnace state as claimed in claim 1, it is characterised in that described according to described efficient The efficient index stability parameter of metrics evaluation gain of parameter includes：
The efficient metrics evaluation parameter of selection 7 days, calculates the first standard of the efficient metrics evaluation parameter for obtaining 7 days Difference and the first average value；
According to first standard deviation and the first average value, calculated by efficient stable formula and obtain the efficient index stabilization Property parameter；
The efficient stable formula is：
The efficient index stability parameter is equal to 100 and is multiplied by 100 again divided by first mean difference with first standard deviation Difference.
4. the diagnostic analysis method of operation of blast furnace state as claimed in claim 1, it is characterised in that described according to the blast furnace Natural fuel ratio and reference design fuel ratio obtain low consumption metrics evaluation parameter and include：
According to the natural fuel ratio and the reference design fuel ratio, the acquisition low consumption is calculated by low consumption Index Formula and referred to Mark evaluating；
The low consumption Index Formula is：
The low consumption metrics evaluation parameter is multiplied by 100 after subtracting the natural fuel ratio with the reference design fuel ratio equal to 90 And divided by the reference design fuel ratio value sum.
5. the diagnostic analysis method of operation of blast furnace state as claimed in claim 1, it is characterised in that described according to the low consumption Metrics evaluation gain of parameter low consumption index stability parameter includes：
The low consumption metrics evaluation parameter of selection 7 days, calculates the second standard of the low consumption metrics evaluation parameter for obtaining 7 days Difference and the second average value；
According to second standard deviation and the second average value, calculated by low consumption stability formula and obtain the low consumption index stabilization Property parameter；
The low consumption stability formula is：
The low consumption index stability parameter is equal to 100 and is multiplied by 100 again divided by second mean difference with second standard deviation Difference.
6. the diagnostic analysis method of operation of blast furnace state as claimed in claim 1, it is characterised in that described according to described efficient Index stability parameter is obtained with the low consumption index stability parameter to be included along steady metrics evaluation parameter：
According to the efficient index stability parameter and the low consumption index stability parameter, obtained by being calculated along steady Index Formula Obtain described along steady metrics evaluation parameter；
It is described to be along steady Index Formula：
It is described to be equal to efficient the index stability parameter divided by 2 value and low consumption index stabilization along steady metrics evaluation parameter The sum of property parameter divided by 2 value.
7. the diagnostic analysis method of operation of blast furnace state as claimed in claim 1, it is characterised in that described according to described efficient Metrics evaluation parameter, the low consumption metrics evaluation parameter and the suitable steady metrics evaluation gain of parameter overall operation evaluating bag Include：
According to the efficient metrics evaluation parameter, the low consumption metrics evaluation parameter and the suitable steady metrics evaluation parameter, pass through Overall operation judgement schematics, which are calculated, obtains the overall operation evaluating；
The overall operation judgement schematics are：
The overall operation evaluating is equal to the efficient metrics evaluation parameter, the low consumption metrics evaluation parameter and described suitable The average value of steady metrics evaluation parameter.
8. the diagnostic analysis method of operation of blast furnace state as claimed in claim 1, it is characterised in that described according to the totality The basic diagnostic result of blast furnace described in postitallation evaluation gain of parameter includes：
The value of the overall operation evaluating is divided into four opinion ratings；Four opinion ratings are respectively：It is excellent Level, good grade, middle grade and poor grade；
The basic diagnostic result includes：First operation of blast furnace situation, the second operation of blast furnace situation, the 3rd operation of blast furnace situation and 4th operation of blast furnace situation；The first operation of blast furnace situation correspondence excellent level；The second operation of blast furnace situation correspondence The good grade；The 3rd operation of blast furnace situation correspondence middle grade；The 4th operation of blast furnace situation correspondence difference Grade.
9. the diagnostic analysis method of operation of blast furnace state as claimed in claim 8, it is characterised in that described by the overall fortune The value of row evaluating, which is divided into four opinion ratings, to be included：
When the value of the overall operation evaluating is more than or equal to 95, the overall operation evaluating is excellent level；
When the value of the overall operation evaluating is more than or equal to 90 and is less than 95, the overall operation evaluating is good etc. Level；
When the value of the overall operation evaluating is more than 85 and is less than 90, the overall operation evaluating is middle grade；
When the value of the overall operation evaluating is less than or equal to 85, the overall operation evaluating is poor grade.
10. the diagnostic analysis method of operation of blast furnace state as claimed in claim 8, it is characterised in that
The first operation of blast furnace situation includes：The super design yield of the yield of the blast furnace is more, the fuel consumption of the blast furnace Level better than design fuel consumption is more, and the efficient metrics evaluation parameter continues 7 days with the low consumption metrics evaluation parameter Relatively stablize；
The second operation of blast furnace situation includes：The yield can reach the design yield, and the fuel consumption is in described The level of fuel consumption is designed, the efficient metrics evaluation parameter continues relatively to stablize for 7 days with the low consumption metrics evaluation parameter；
The 3rd operation of blast furnace situation includes：The yield design yield is relatively low, and the fuel consumption is more described to be set The horizontal departure of fuel consumption is counted, the efficient metrics evaluation parameter and the low consumption metrics evaluation parameter are stablized relatively in 7 days Property be deteriorated；
The 4th operation of blast furnace situation includes：The yield is far below the design yield, and the fuel consumption is more than described Design the level error of fuel consumption, relative fluctuation in the efficient metrics evaluation parameter and the low consumption metrics evaluation parameter 7 days It is larger.
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* Cited by examiner, † Cited by third party
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CN109063358A (en) * 2018-08-16 2018-12-21 马鞍山钢铁股份有限公司 A kind of method of novel blast-furnace direct motion evaluation
CN109063358B (en) * 2018-08-16 2022-11-22 马鞍山钢铁股份有限公司 Novel blast furnace forward evaluation method

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