CN213951241U - System for controlling emission source of sulfur dioxide in flue gas of iron-making hot blast stove - Google Patents
System for controlling emission source of sulfur dioxide in flue gas of iron-making hot blast stove Download PDFInfo
- Publication number
- CN213951241U CN213951241U CN202022418100.XU CN202022418100U CN213951241U CN 213951241 U CN213951241 U CN 213951241U CN 202022418100 U CN202022418100 U CN 202022418100U CN 213951241 U CN213951241 U CN 213951241U
- Authority
- CN
- China
- Prior art keywords
- sulfur
- blast furnace
- analysis
- hot blast
- sulfur dioxide
- 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.)
- Active
Links
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 239000003546 flue gas Substances 0.000 title claims abstract description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 32
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 72
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 71
- 239000011593 sulfur Substances 0.000 claims abstract description 71
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000004364 calculation method Methods 0.000 claims abstract description 43
- 238000004458 analytical method Methods 0.000 claims abstract description 34
- 229910052742 iron Inorganic materials 0.000 claims abstract description 26
- 238000007726 management method Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 47
- 238000002485 combustion reaction Methods 0.000 claims description 31
- 238000009838 combustion analysis Methods 0.000 claims description 7
- 238000010223 real-time analysis Methods 0.000 claims description 7
- 230000002452 interceptive effect Effects 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000033764 rhythmic process Effects 0.000 abstract description 2
- 239000003034 coal gas Substances 0.000 description 14
- 239000002893 slag Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 239000000428 dust Substances 0.000 description 8
- 238000009826 distribution Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000571 coke Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000007418 data mining Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 238000010801 machine learning Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 102000005298 Iron-Sulfur Proteins Human genes 0.000 description 1
- 108010081409 Iron-Sulfur Proteins Proteins 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
Images
Landscapes
- Manufacture Of Iron (AREA)
Abstract
本实用新型属于冶金钢铁节能减排技术领域，提出一种炼铁热风炉烟气二氧化硫排放源头管控系统，旨在解决高炉炼铁工序中的源头硫元素管控问题，以实现热风炉烟气二氧化硫全时段达标排放的目的。本系统包括数据采集及传输模块、存储器、分析计算模块、数据监测模块、管控终端，数据采集及传输模块的输入端分别与数据监测模块及高炉本体自带的计量系统和成分检测系统相连接，其输出端分别与分析计算模块和管控终端相连接；数据采集及传输模块与存储器、分析计算模块与管控终端各自之间交互连接。本实用新型是从高炉原料及操作源头进行起源控制，具有管控动作少、时间短、节奏紧凑及生产效率高的特点。
The utility model belongs to the technical field of energy saving and emission reduction of metallurgical iron and steel, and proposes a source control system for the emission of sulfur dioxide in flue gas from an ironmaking hot blast furnace, aiming at solving the problem of source sulfur element control in the blast furnace ironmaking process, so as to realize the complete emission of sulfur dioxide in the flue gas of the hot blast furnace. The purpose of meeting the emission standards during the time period. The system includes a data acquisition and transmission module, a memory, an analysis and calculation module, a data monitoring module, and a management and control terminal. The input end of the data acquisition and transmission module is respectively connected with the data monitoring module and the measurement system and component detection system of the blast furnace body. The output ends are respectively connected with the analysis and calculation module and the management and control terminal; the data acquisition and transmission module and the memory, and the analysis and calculation module and the management and control terminal are respectively connected interactively. The utility model controls the origin from the raw materials of the blast furnace and the operation source, and has the characteristics of few control actions, short time, compact rhythm and high production efficiency.
Description
Technical Field
The utility model belongs to the technical field of metallurgical steel energy saving and emission reduction, concretely relates to ironmaking hot blast stove flue gas sulfur dioxide discharges source management and control system.
Background
Pollutant SO of blast furnace ironmaking unit2The main part of the discharge is in the hot blast stove, the heating and combustion of which contains H2S and other sulfides in blast furnace gas or mixed gas, SO is discharged from the generated flue gas2. The sulfur compounds in the blast furnace gas are derived from the S amount in the raw and auxiliary materials of the blast furnace, which is called the charging S load. That is, the charging S load of a blast furnace unit affects the S content in the blast furnace gas and also the SO discharged from the hot blast stove2Concentration and production.
In 4 months of 2019, five ministries of national ministry of ecological environment and development and improvement committee issue 'opinion on promoting implementation of ultra-low emission in the steel industry' which requires that new (including relocation) projects in China emit pollutants SO2Emission concentration limit of 50mg/m3Is the emission limit value of 100mg/m of the iron-making hot blast stove (newly built, existing and special regions) of the national standard 'emission Standard of atmospheric pollutants for iron-making industry' GB (28663-3Half of that. SO discharged by combustion of hot blast stove in current iron and steel plant2The phenomenon of meeting the ultra-low emission requirement stably in all time. Therefore, it is necessary to provide a system for managing and controlling the source of blast furnace raw material to help the blast furnace And (4) managing and controlling source S elements to reduce the load of the S entering the furnace.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an iron-smelting hot-blast furnace flue gas sulfur dioxide emission source management and control system aims at solving the management and control problem of the source sulfur element in the blast furnace ironmaking process.
The utility model discloses a realize through following technical scheme:
the utility model provides a management and control system for the emission source of the flue gas sulfur dioxide of an iron-making hot blast stove, which comprises a data acquisition and transmission module, a memory, an analysis and calculation module, a data monitoring module and a management and control terminal, wherein the input end of the data acquisition and transmission module is respectively connected with the data monitoring module and a metering system and a composition detection system which are carried by a blast furnace body, and the output end of the data acquisition and transmission module is respectively connected with the analysis and calculation module and the management and control terminal; the data acquisition and transmission module and the memory, and the analysis and calculation module and the control terminal are respectively connected in an interactive manner.
Further, the analysis and calculation module is used for calculating the concentration value C of sulfur in the blast furnace gasBFGThe blast furnace gas sulfur concentration calculation submodule has the calculation formula as follows:
CBFG＝[(1-η1-η2)×Lt-Ldust and mud]/Gbfg；
Wherein,
Lt＝Ltotal/Piron；
Ltotal＝∑Wi·υi；
η1the distribution ratio of sulfur element in molten iron; eta 2The distribution ratio of sulfur element in the slag; l istIs the sulfur load value per unit of molten iron; gbfgThe blast furnace gas generation amount is unit molten iron; l isDust and mudCalculating a fixed value after sampling blast furnace gas dust removal ash and cast house dust removal ash data; pironThe yield of the raw iron; l istotalThe total sulfur load value is calculated according to the blast furnace metering data provided by the metering system, WiThe material i is charged into the furnaceAmount, kg; upsilon isiIs the mass ratio of sulfur-containing elements in the material i.
The distribution ratio of the sulfur element in the molten iron and the slag is calculated according to the component detection data provided by the component detection system, and the component detection data comprises the yield of the molten iron and the sulfur content therein, the yield of the slag and the sulfur content therein.
The material i in the blast furnace metering data comprises: the coke charging amount, the coal powder charging amount, the mixed ore charging amount and the limestone and dolomite charging amount.
Further, the analysis and calculation module also comprises a concentration value C which is calculated according to the sulfur dioxide emission model and meets the standard of sulfur dioxide emission in the flue gas emission of the hot blast stove under the current production operation conditionSign boardHigh value L of charging sulfur load per unit molten ironmaxThe combustion analysis and calculation submodule of the hot blast stove.
Further, the sulfur dioxide discharge model is a sulfur concentration value C in blast furnace gas BFGAnd calculating the sulfur dioxide concentration value C in the combustion flue gas of the hot blast stove according to the combustion parameters of the hot blast stoveSO2The sulfur dioxide concentration value in the flue gas actually monitored by the data monitoring module is quantitatively established, and the calculation formula is as follows:
wherein:
Further, the control terminal comprises a furnace-entering sulfur load real-time analysis control submodule and a hot blast stove combustion control analysis submodule, wherein the furnace-entering sulfur load real-time analysis control submodule is associated with the blast furnace gas sulfur concentration operator module, and the hot blast stove combustion control analysis submodule is associated with the hot blast stove combustion analysis calculation submodule.
Adopt above-mentioned scheme, the utility model discloses an iron-making hot-blast stove flue gas sulfur dioxide discharges source management and control system, for the iron and steel enterprise provides one set of system and method of discharging sulfur dioxide from raw materials and operation source control hot-blast furnace burning, through docking current detection analysis and composition analysis system, calculate the best income stove sulfur load value that satisfies iron-making hot-blast furnace sulfur dioxide emission standard concentration under the specific condition, thereby carry out the source management and control to the former auxiliary material that contains sulphur that gets into the blast furnace, carry out accurate control with the realization to the marginal parameter that individual period transfinites, realize the full period discharge to reach standard.
The utility model has the advantages that: the utility model discloses a control of provenance is carried out from blast furnace raw materials and operation source, has realized the purpose that sulfur dioxide full period discharge to reach standard in the hot-blast furnace flue gas. The method has the characteristics of less control action, short time, compact rhythm and high production efficiency.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is the frame diagram of the source management and control system of the present invention.
Fig. 2 is the structure diagram of the source management and control system of the present invention.
Fig. 3 is the flow chart of the source management and control system of the present invention.
Reference numerals: the system comprises a data acquisition and transmission module 1, a memory 2, an analysis and calculation module 3, a data monitoring module 4, a control terminal 5, a metering system 6 and a component detection system 7; the system comprises a blast furnace gas sulfur concentration calculation operator module 31 and a hot blast stove combustion analysis calculation submodule 32; a furnace-entering sulfur load real-time analysis and control submodule 51 and a hot blast stove combustion control and analysis submodule 52.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
As shown in fig. 1 and 2, the system for source control of sulfur dioxide emitted by a hot blast stove in a blast furnace ironmaking process according to the embodiment includes a data acquisition and transmission module 1, a memory 2, an analysis and calculation module 3, a data monitoring module 4, and a control terminal 5. The input end of the data acquisition and transmission module 1 is respectively connected with the data monitoring module 4, a metering system 6 and a component detection system 7 of the blast furnace body, and the output end of the data acquisition and transmission module is respectively connected with the analysis and calculation module 3 and the control terminal 5; the data acquisition and transmission module 1 and the memory 2, and the analysis and calculation module 3 and the control terminal 5 are respectively connected in an interactive manner. Like this, through the real-time supervision of the sulfur dioxide concentration value in gathering the sulfur dioxide concentration value in the sulfur dioxide of hot-blast furnace burning emission and the flue gas volume to the blast furnace measurement data and the composition detection data that will obtain from the measurement system 6 of blast furnace system own, composition detecting system 7 transmit this system to through data acquisition and transmission module 1, and then carry out analytical calculation and visual display respectively through analytical calculation module 3 and management and control terminal 5, also with data storage in memory 2 simultaneously. The analysis and calculation module 3 can interact with the control terminal 5, and is divided into a blast furnace gas sulfur concentration calculation sub-module 31 and a hot blast stove combustion analysis and calculation sub-module 32, and carries out analysis and calculation according to the monitoring data acquired by the system from the data monitoring module 4 and the interaction information of the control terminal 5, and the calculation result is visually displayed on the control terminal 5. The control terminal 5 is divided into a furnace sulfur load real-time analysis control submodule 51 and a hot blast stove combustion control analysis submodule 52 by constructing a computer software system.
During operation, a mathematical model is established for calculation and analysis according to the sulfur content and the charging amount data of the charging raw and auxiliary materials at the input end of the blast furnace, and the related complete data of the sulfur content of the molten iron, the sulfur content of the slag, the generation amount and the like at the output end in the production cycle of the blast furnace, so as to predict the sulfur dioxide concentration in the flue gas discharged by the hot blast furnace. And then according to the actual sulfur dioxide concentration and the actual sulfur dioxide output in the flue gas of the hot blast stove obtained by the data monitoring module, the comparison analysis is carried out with the prediction data, the iteration is carried out through data mining and machine learning, quantifiable influence relation is found out, a hot blast stove flue gas sulfur dioxide emission model based on blast furnace charging load parameters is established, and then according to the sulfur dioxide emission model, under the condition that production operation factors are not changed, the optimal charging sulfur load meeting the standard concentration of the sulfur dioxide emission of the iron-making hot blast stove is calculated, namely the sulfur content of the original and auxiliary materials can be selected to be regulated and controlled according to the optimal charging sulfur load, so that the sulfur-containing original and auxiliary materials entering the blast furnace are subjected to source control.
Specifically, the system firstly butts a metering system and a component detection system of the blast furnace, collects the coke charging amount and sulfur content, the coal powder charging amount and sulfur content, the mixed ore charging amount and sulfur content, the limestone and dolomite charging amount and sulfur content, the molten iron yield, the molten iron sulfur content, the slag yield, the slag sulfur content, the blast furnace gas generation amount and other parameters, and calculates the sulfur concentration value C in the blast furnace gas by using a blast furnace gas sulfur concentration operator module BFGFirstly, the total sulfur load value L of the furnace is calculated according to the calculation formula of the systemtotalAnd sulfur load value L of unit molten irontNamely: l istotal＝∑Wi·υi，Lt＝Ltotal/PironWherein W isiThe mass of the material i in the furnace is kg; upsilon isiThe mass ratio of sulfur-containing elements in the material i is; pironAnd (4) producing the crude iron. As blast furnace gas, slag, molten iron and blast furnace gas dust removal ash are generated in the production process of the blast furnace, the distribution ratio of sulfur elements in the molten iron and the slag is basically kept unchanged under stable operation conditions. Eta1The distribution ratio of sulfur element in molten iron, eta2The distribution ratio of the sulfur element in the slag can be calculatedConcentration value of sulfur in blast furnace gas: cBFG＝[(1-η1-η2)×Lt-LDust and mud]/GbfgWherein G isbfgThe blast furnace gas generation amount is unit molten iron; l isDust and mudThe data of blast furnace gas dust removal ash, cast house dust removal ash and the like are sampled and then calculated to obtain fixed values, and the fixed values are manually input.
The hot blast stove combustion analysis and calculation submodule can obtain C according to calculationBFGCalculating the sulfur dioxide concentration value C in the combustion flue gas of the hot blast stove according to the input combustion parameters of the hot blast stove, the type and the amount of the combustion medium, the components of the combustion medium and the proportion thereofSO2. The calculation method comprises the following steps:
wherein:
the total sulfur content of the coal gas is mg: cBFGConcentration value of sulfur in blast furnace gas, mg/Nm 3；VbfgVolume, Nm, of blast furnace gas used for combustion in hot-blast stoves3(ii) a Vi is the volume of each gas except blast furnace gas consumed by the hot blast stove, Nm3(ii) a Alpha is the excess air coefficient;
theoretical oxygen demand, Nm, for gas combustion3/Nm3Coal gas;
theoretical amount of air, Nm3/Nm3Coal gas; ci is the sulfur-containing concentration of other coal gas for combustionDegree, mg/Nm3；VyActual amount of flue gas, Nm, produced per unit gas3/Nm3Coal gas;
theoretical amount of flue gas, Nm, produced per unit gas3/Nm3And (7) coal gas. CO, C2H4，O2Etc. represent the volume fraction,%, of the corresponding gas in the gas, respectively. And carrying out data mining and machine learning on the concentration of sulfur dioxide in the flue gas actually monitored by the data monitoring module and the sulfur dioxide concentration theoretically calculated to find out quantifiable influence relation, establishing a hot blast furnace flue gas sulfur dioxide emission model based on blast furnace charging load parameters, and calculating the charging sulfur load high value L of unit molten iron meeting the standard concentration of the sulfur dioxide emission of the iron-making hot blast furnace under the production operation conditionmax。
The real-time analysis management and control submodule of the charging sulfur load displays the names and the charging amounts of different sulfur-containing materials entering the blast furnace and the corresponding proportion of the charging sulfur load through visual interfaces such as a construction chart and a table, and calculates the sulfur load L of unit molten iron t(ii) a The system automatically sets the calculated LmaxIs a threshold value, if Lt≥LmaxAnd then alarm prompt is carried out.
The hot blast stove combustion control analysis submodule guides a user to input preset analysis conditions of the coal gas types (such as blast furnace gas, converter gas and coke oven gas) for burning the hot blast stove, the ratio of different types of usage and the component content, sulfur content, air excess coefficient, theoretical combustion temperature and the like of other coal gas except the blast furnace gas by constructing an interactive interface, and links the preset analysis conditions to the L obtained by calculation in the furnace sulfur load real-time analysis control submoduletValue, predicting the discharge concentration C of sulfur dioxide in the flue gas of the hot blast stove through a sulfur dioxide discharge modelSO2And displaying results in a tabular form through a computer display interface and simultaneously displaying CSO2Concentration value C of sulfur dioxide emission standardSign boardThe magnitude relationship of (1). The combustion parameters of the hot blast stove are set in a reasonable range interval in the system, and the range interval is according toThe theoretical combustion temperature of the hot blast stove is automatically set, and if the input combustion parameter exceeds a reasonable range interval calculated by the system, the system displays that the combustion requirement cannot be met and does not participate in subsequent calculation.
Referring to fig. 3 again, the following detailed description shows the method for managing and controlling the source of sulfur dioxide discharged by hot blast stove flue gas in the blast furnace ironmaking process of the present invention, which specifically comprises the following steps:
S1: collecting a real-time monitoring value of the blast furnace, and transmitting the real-time monitoring value to an analysis and calculation module and a control terminal;
s2: the analysis and calculation module calculates according to the collected output and sulfur content data of molten iron, slag, blast furnace gas and the like of the blast furnace metering system and calculates the total sulfur load L in the furnacetotalAnd calculating the sulfur concentration C in the blast furnace gas by acquiring parameters such as the yield of the molten iron, the sulfur content of the molten iron, the yield of the slag, the sulfur content of the slag, the generation amount of the blast furnace gas and the likeBFG；
S3: the analysis of the concentration of sulfur dioxide in the flue gas discharged by the hot blast stove is realized by acquiring or inputting combustion condition parameters such as combustion media, excess air coefficients and the like of the hot blast stove;
s4: establishing a sulfur dioxide emission model in the flue gas of the hot blast stove based on the furnace-entering sulfur load parameter of the blast furnace;
s5: calculating a concentration value C meeting the sulfur dioxide emission standard of the hot blast stove under the production operation condition according to a sulfur dioxide emission modelSign boardThe highest charging sulfur load high value L of unit molten ironmax；
S6: system auto-setting LmaxIs a threshold value, and judges the calculated furnace-entering sulfur load value L of the blast furnace real-time unit molten irontAnd LmaxIf L is less than L, the system promptstAnd if the threshold value is exceeded, adjusting the combustion parameters of the hot blast stove or adjusting the raw materials entering the stove according to the system prompt.
Further, the specific step of S6 includes:
s61: judgment of LtAnd LmaxIf Lt < LmaxThen the existing parameter settings and operations are maintained unchanged；
S62: if L ist≥LmaxThen, alarming prompt is carried out, the combustion parameters of the hot blast stove are adjusted within a certain range through an interface of a control system, the model is used for predicting according to the adjusted parameters, and the system automatically inputs the sulfur dioxide concentration value C predicted to be dischargedSO2And judging it and emission standard CSign boardThe relationship of (1);
s63: if CSO2＜CSign boardIf so, the system recommends setting according to the adjusted combustion parameters of the hot blast stove; if CSO2≥CSign boardThe system sends out an instruction, the raw materials entering the furnace are adjusted according to the prompt, and the total sulfur load L entering the furnace is reducedtotalThen, step S61 is performed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. A management and control system for a smoke sulfur dioxide emission source of an iron-making hot blast stove is characterized by comprising a data acquisition and transmission module (1), a memory (2), an analysis and calculation module (3), a data monitoring module (4) and a management and control terminal (5), wherein the input end of the data acquisition and transmission module is respectively connected with the data monitoring module, a metering system (6) and a component detection system (7) of a blast furnace body, and the output end of the data acquisition and transmission module is respectively connected with the analysis and calculation module and the management and control terminal; the data acquisition and transmission module and the memory, and the analysis and calculation module and the control terminal are respectively connected in an interactive manner.
2. The system for managing and controlling the emission source of the sulfur dioxide in the flue gas of the iron-making hot blast stove according to claim 1, wherein the analysis and calculation module comprises a blast furnace gas sulfur concentration calculation operator module (31) for calculating the sulfur concentration value CBFG in the blast furnace gas.
3. The system as claimed in claim 2, wherein the analysis and calculation module further comprises a hot blast stove combustion analysis and calculation submodule (32) for calculating a high value Lmax of the load of incoming sulfur to unit molten iron, which meets the standard concentration C standard of sulfur dioxide emission in flue gas emission of hot blast stoves under current production operation conditions, according to the sulfur dioxide emission model.
4. The system as claimed in claim 3, wherein the sulfur dioxide emission model is quantitatively established by calculating a sulfur dioxide concentration value CSO2 in the flue gas of the hot blast stove from a sulfur concentration value CBFG in the blast furnace gas and combustion parameters of the hot blast stove and a sulfur dioxide concentration value in the flue gas actually monitored by the data monitoring module.
5. The system for managing and controlling the emission source of the sulfur dioxide in the flue gas of the iron-making hot blast stove according to claim 4, wherein the management and control terminal comprises a furnace-entering sulfur load real-time analysis and control submodule (51) associated with a blast furnace gas sulfur concentration sub-module, and a hot blast stove combustion management and control analysis submodule (52) associated with a hot blast stove combustion analysis and calculation submodule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022418100.XU CN213951241U (en) | 2020-10-27 | 2020-10-27 | System for controlling emission source of sulfur dioxide in flue gas of iron-making hot blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022418100.XU CN213951241U (en) | 2020-10-27 | 2020-10-27 | System for controlling emission source of sulfur dioxide in flue gas of iron-making hot blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213951241U true CN213951241U (en) | 2021-08-13 |
Family
ID=77205382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022418100.XU Active CN213951241U (en) | 2020-10-27 | 2020-10-27 | System for controlling emission source of sulfur dioxide in flue gas of iron-making hot blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213951241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112226563A (en) * | 2020-10-27 | 2021-01-15 | 中冶赛迪工程技术股份有限公司 | Method and system for source management and control of sulfur dioxide emission in flue gas of iron-making hot blast furnace |
-
2020
- 2020-10-27 CN CN202022418100.XU patent/CN213951241U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112226563A (en) * | 2020-10-27 | 2021-01-15 | 中冶赛迪工程技术股份有限公司 | Method and system for source management and control of sulfur dioxide emission in flue gas of iron-making hot blast furnace |
| CN112226563B (en) * | 2020-10-27 | 2025-01-24 | 中冶赛迪工程技术股份有限公司 | A method and system for controlling the source of sulfur dioxide emissions from flue gas in ironmaking hot blast furnaces |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112226563B (en) | A method and system for controlling the source of sulfur dioxide emissions from flue gas in ironmaking hot blast furnaces | |
| CN111893237B (en) | Method for predicting carbon content and temperature of molten pool of converter steelmaking in whole process in real time | |
| CN1403593A (en) | Blast furnace smelt controlling method with intelligent control system | |
| CN116822714A (en) | Steel product carbon footprint management method and system based on life cycle evaluation | |
| CN1207399C (en) | Intelligent blast furnace smelt controlling system | |
| CN114854929B (en) | Converter blowing CO 2 Method for dynamically predicting molten steel components and temperature in real time | |
| CN115293453B (en) | A root cause analysis and optimization method for energy efficiency of thermal system in steel plant | |
| US20150337404A1 (en) | Method and device for predicting, controlling and/or regulating steelworks processes | |
| Hernandez et al. | Control data, Sankey diagrams, and exergy: Assessing the resource efficiency of industrial plants | |
| CN213951241U (en) | System for controlling emission source of sulfur dioxide in flue gas of iron-making hot blast stove | |
| CN108018393A (en) | Intelligent automatic steelmaking system and method | |
| CN115630268A (en) | Carbon emission assessment model, assessment method and assessment system for long-process iron and steel enterprises | |
| CN115522012B (en) | Method for controlling TSC stage oxygen blowing amount of large converter | |
| CN114925314B (en) | A method for calculating carbon emissions from sintering process | |
| CN113961865B (en) | A method for accurately controlling the amount of temperature control agent added in the TSC stage of a large converter | |
| CN116049299A (en) | A visual carbon flow analysis method for iron and steel production process | |
| CN112989570B (en) | Method for calculating top coal gas volume based on blast furnace conditions | |
| CN113652518B (en) | Converter and prediction method and prediction system for gas reserves of converter gas holder of converter | |
| CN103017529A (en) | Method and system for controlling air quantity of main draft fan of sintering machine | |
| CN111690784B (en) | Blast furnace fuel compensation and H in blast furnace gas2Method for quantifying content | |
| CN115330039B (en) | Carbon emission metering method in all working procedures of steel smelting | |
| CN113667781B (en) | Method for reducing fuel ratio of blast furnace | |
| KR0118989B1 (en) | Pre-estimation method and apparatus for carbon concentration | |
| CN114959130A (en) | Buggy intelligent control furnace temperature system | |
| TWI886770B (en) | Method and system for measuring concentration of mixed gas pipe nework |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230504 Address after: 400013 No. 1, Shuang Steel Road, Yuzhong District, Chongqing, China Patentee after: CISDI ENGINEERING Co.,Ltd. Patentee after: CISDI RESEARCH & DEVELOPMENT Co.,Ltd. Patentee after: CISDI CHONGQING ENVIRONMENTAL CONSULTING Co.,Ltd. Address before: 400013 No. 1, Shuang Steel Road, Yuzhong District, Chongqing, China Patentee before: CISDI ENGINEERING Co.,Ltd. Patentee before: CISDI RESEARCH & DEVELOPMENT Co.,Ltd. |