CN111611456A - Blast furnace coke belt component charging method - Google Patents
Blast furnace coke belt component charging method Download PDFInfo
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- CN111611456A CN111611456A CN202010448104.4A CN202010448104A CN111611456A CN 111611456 A CN111611456 A CN 111611456A CN 202010448104 A CN202010448104 A CN 202010448104A CN 111611456 A CN111611456 A CN 111611456A
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- 239000000571 coke Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 20
- 238000012360 testing method Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 3
- 238000012163 sequencing technique Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000275 quality assurance Methods 0.000 abstract description 2
- 238000010009 beating Methods 0.000 description 3
- 238000003556 assay Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/903—Querying
- G06F16/9038—Presentation of query results
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/007—Conditions of the cokes or characterised by the cokes used
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06316—Sequencing of tasks or work
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
- G06Q10/083—Shipping
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2300/00—Process aspects
- C21B2300/04—Modeling of the process, e.g. for control purposes; CII
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The invention relates to a method for charging blast furnace coke with components, which comprises the steps of recording the number information of current train vehicle queue, matching the coke of queue group batch number with the discharging height in a silo, marking the coke discharged at this time in the silo with the group batch number, tracking the coke components in the silo, theoretically calculating the discharging batch height of the silo, and tracking the coke components on a tank. And changing the black box in the silo into a visible white box through data tracking, logical calculation of data and data processing. The coke is tracked to the groove, the end user can carry out batching according to the components of the coke through the tracking page, the quality assurance of molten iron production is provided, and the intermediate user can timely master the storage of the silo to provide data support for purchasing.
Description
Technical Field
The invention belongs to the technical field of blast furnace monitoring, and particularly relates to a method for charging blast furnace coke with components.
Background
Coke transported into a factory by a current fire is used by a blast furnace, and the coke is queued by train vehicles to wait for unloading, unloaded by a tipper and transported by a belt to enter a silo for standby; then when the blast furnace needs coke, the coke on the bottom layer of the silo enters the belt through the feed opening, is transported through the belt, enters the groove, and then enters the lower part of the groove to reach the inside of the blast furnace. And the coke is tested after sampling in the belt conveying process from the tipper to the silo. The result of the assay can be uploaded to an ERP system for use in the settlement of raw materials; when the coke enters the silo and the blast furnace is used, the coke on the silo and the tank is mixed and enters the blast furnace from a silo discharge opening through a belt according to the first-in first-out (FIFO) principle; the blast furnace can not obtain the composition data of the coke currently entering the furnace, so that data basis can not be provided for the blast furnace burdening in the process of smelting the molten iron by the blast furnace, thereby causing uncertainty in the production of the blast furnace and influencing the quality and the yield of the molten iron.
At present, after the coke is unloaded from the tipper, the display data of the silo is only the real-time height of 38 silos, the composition data of the silo is not tracked, and the silo is the same as the silo, namely the coke on the tank is still in the same condition.
Disclosure of Invention
The invention aims to provide a method for charging blast furnace coke with components.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for charging blast furnace coke with components comprises the following steps:
1) the train number information that the present train vehicle queued is recorded, and the data of chemical examination composition corresponds with the train number, and a plurality of train numbers generate a group batch number, and a group batch number a group chemical examination composition calculates the proportion that every group batch number coke weight accounts for this queuing group batch number coke total weight, computational formula through following formula:
f(x)＝zweight/∑zweight (1)
wherein: zweight is the coke weight corresponding to each group batch number, and x is each group batch number;
2) matching the coke of the queuing group batch number with the discharging height in the silo, marking the coke discharged in the silo at this time with the group batch number, and tracking the coke components in the silo;
3) theoretical calculation of silo unloading batch height:
firstly, obtaining the total height of the discharge materials in different silos of the queuing batch, namely height:
f(x)＝∑pheight (2)
secondly, calculating the actual height of each batch in the silo according to the formula (2), wherein the formula is as follows:
f(x)＝zheight*x (3)
wherein x is the proportion of the group batch number in the formula (2); the height is the total height of the discharging in the silo at this time;
finally, calculating the batch information contained in the coke currently discharged in each silo and the corresponding height of each batch by the following formula, wherein the calculation logic is described as follows:
wherein: h1, h2 and h3 represent actual blanking heights of all positions in the silo, and a1, a2 and a3 represent theoretical blanking heights corresponding to each group of batch numbers;
through logic processing, the actual blanking height and the mark post-group batch number are realized in a display mode of h1: chkno1, h21: chkno1, h22: chkno2, h31: chkno2, h32: chkno3 and h4: chkno3, and finally, the test results of the intensity CSR after reaction according to an important index in the coke are displayed through different colors in a silo realization batch effect diagram, so that a basis is provided for coke tracking on a next groove;
4) tracking coke components on the tank: tracking batch information of the current blanking port of the silo during blanking in real time, determining the starting height, starting time and position of the bin on the current groove through a belt running signal and a position signal of a bin loading trolley from the silo to the groove; recording the end height and end time on the groove according to the stop signal of the belt; calculating the batch height of the material on the trough according to the following formula:
f(x)＝endheight-startheight+(endtime-starttime)*xspeed/midu/(length*width)
wherein: xseed is the blanking speed of the upper and lower material openings of the tank, midu is the coke density, and length and width respectively represent the length and width of the bottom of the upper bin of the tank;
after the coke is tracked to the groove, the batch height data on the groove is confirmed, the coke tracking process is finished, and the purpose that the coke with components enters the furnace is achieved.
Further, the step of recording the train number information of the current train queuing in the step 1) comprises the following steps: the method comprises the steps of obtaining and storing vehicle information waiting for unloading in front of a tipper through an internal fire dispatching system, and generating the vehicle information waiting for unloading into a uniform queuing batch including a vehicle number, the net weight of coke of each vehicle, test batching information, the total weight corresponding to each batching number and a sequencing sequence number for a subsequent tipper to unload.
Further, the calculation of the discharging height in the silo in the step 2) comprises the following steps: when the belt signal is an operation signal, the position signal of a skip car on the upper part of the silo is obtained, the time for starting unloading of the tipper, the initial height of unloading and the unloading position of the silo are confirmed and recorded, and when the belt operation signal is in a stop state, the terminal height of unloading is updated, so that the unloading height in the silo is calculated to be the terminal height-the initial height.
Further, the calculation logic for tracking the batch information of the current feeding port of the silo in real time in the step 4) is as follows: a. acquiring the real-time height of the current silo; b. and traversing the batch data in the silo from the latest batch data to acquire the batch information of the bottommost layer in the silo.
The invention has the following beneficial effects: the method for charging the blast furnace coke with components changes a black box in a silo into a visible white box through data tracking, logical calculation of data and data processing. The coke is tracked to the groove, the end user can carry out batching according to the components of the coke through the tracking page, the quality assurance of molten iron production is provided, and the intermediate user can timely master the storage of the silo to provide data support for purchasing.
Drawings
Figure 1 is a diagram of the batch effect achieved by the final silo of the present invention.
FIG. 2 is a schematic diagram of the present invention for color determination based on the results of CSR assay in coke.
Detailed Description
The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the scope of the present invention is not limited to these examples. All changes, modifications and equivalents that do not depart from the spirit of the invention are intended to be included within the scope thereof.
Since the data of the test components are corresponding to the train numbers (a plurality of train numbers generate a group batch number, and a group batch number and a group test component), the train number information of the current train queuing needs to be recorded. The implementation mode is as follows: through the internal fire dispatching system, obtain the vehicle information of waiting to unload in front of the tipper at present of storage, with waiting for vehicle information at present and generate a unified batch of lining up (batch1), including vehicle number (carno), coke dead weight (pwight) of each car, chemical examination group batch information (chkno) (the vehicle of lining up may produce a plurality of group batch numbers, every group batch number can generate a set of chemical examination data), the total weight (zwight) and the sequencing sequence number (orderno) that every group batch number corresponds, supply follow-up tipper to unload and use, calculate the proportion of each batch of lining up the batch at this through the formula, the computational formula:
f(x)＝zweight/∑zweight (1)
wherein: zwight is the weight of coke for each group batch number and x is each group batch number.
The following steps are to match the coke in the queued batches with the actual discharging height in the silo, mark the batch number on the coke discharged in the silo at this time, and track the coke components in the silo.
Tracking the real-time data of the coke unloaded by the tipper:
the method comprises the steps that a tipper needs to pass through a belt from a silo, coke needs to pass through 9 belt signals from the tipper to the silo, when the belt signals are running signals, the unloading starting time of the tipper, the unloading starting height (sheight) and the silo unloading position (pid) are confirmed and started to be recorded by acquiring a skip position signal on the upper portion of the silo, and when the belt running signals are in a stop state, the unloading terminal height (ehight) is updated, so that the discharging height pheight-sheight in the silo is calculated.
Theoretical calculation of silo unloading batch height
Since one queued batch (batch1) can be unloaded in different silos, and in the unloading process of the tipper, only the unloading sequence and the queued batch of the vehicle are known, and batch data cannot be acquired, how to highly match the batch information of the queued batch with the unloading in the silo is the key point of the logic calculation, and the calculation steps are as follows:
firstly, obtaining the total height of the discharge materials in different silos of the queuing batch, namely height:
f(x)＝∑pheight (2)
secondly, calculating the actual height of each batch in the silo according to the formula (2), wherein the formula is as follows:
f(x)＝zheight*x (3)
wherein x is the proportion of the group batch number in the formula (2); the height is the total height of the discharging in the silo at this time;
finally, calculating the batch information contained in the coke currently discharged in each silo and the corresponding height of each batch by the following formula, wherein the calculation logic is described as follows:
wherein: h1, h2 and h3 represent actual blanking heights of all positions in the silo, and a1, a2 and a3 represent theoretical blanking heights corresponding to each group of batch numbers;
through logic processing, the actual blanking height and the mark post-group batch number are used for realizing the display modes of h1: chkno1, h21: chkno1, h22: chkno2, h31: chkno2, h32: chkno3 and h4: chkno 3. The chart of the batch effect of the final silo is shown in figure 1, each color is judged according to the test result of an important index CSR (intensity after reaction) in the coke, and the judgment basis is shown in figure 2, and provides a basis for the coke tracking on the next tank through the display of different colors.
Tracking coke components on the tank:
tracking coke from a silo to a groove, firstly, batch information of the current blanking port of the silo which is blanking needs to be tracked in real time, and the calculation logic is as follows:
a. acquiring the real-time height of the current silo;
b. and traversing the batch data in the silo from the latest batch data to acquire the batch information of the bottommost layer in the silo.
Secondly, the belt is required to pass from the silo to the groove, red represents a stop state, and green represents an operating state.
Confirming the starting height (starting height), the starting time (starting time) and the position of a bin on the bin (confirming which bin is filled currently) on the current bin through a belt running signal, a bin loading position signal and the like as the logic of the silo; depending on the stop signal of the belt, the end height (endheight) and the end time (endtime) on the recording slot are here different from the silo:
a. when the discharge ports of the silo discharge materials, three or more discharge ports discharge materials simultaneously, and at the moment, the batch information of the silo discharge materials can be subjected to average calculation to form new component information; the new composition information is brought to the tank by a belt.
b. The material beating and the material discharging of the material discharging opening can be carried out simultaneously on the groove, so that the material beating height on the groove is not considered when calculating the batch height on the groove, and the material discharging amount of the material discharging opening on the groove according to the hour is also considered. The batch height of the material on the groove is calculated according to the formula:
f(x)＝endheight-startheight+(endtime-starttime)*xspeed/midu/(length*width)
wherein: xseed is the blanking speed of the feeding hole and the blanking hole of the tank, midu is the coke density, and length and width respectively represent the length and width of the bottom of the upper bin of the tank.
The calculation logic is that the height of the end point of the material beating is subtracted by the starting height, and then the height of the material feeding port and the material discharging port of the inner groove is added in the period of time.
And after the coke is tracked to the tank, confirming the batch height data on the tank, and ending the coke tracking flow, thereby realizing that the coke with components enters the furnace.
The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (4)
1. A method for charging blast furnace coke with components is characterized by comprising the following steps:
1) the train number information that the present train vehicle queued is recorded, and the data of chemical examination composition corresponds with the train number, and a plurality of train numbers generate a group batch number, and a group batch number a group chemical examination composition calculates the proportion that every group batch number coke weight accounts for this queuing group batch number coke total weight, computational formula through following formula:
f(x)＝zweight/∑zweight (1)
wherein: zweight is the coke weight corresponding to each group batch number, and x is each group batch number;
2) matching the coke of the queuing group batch number with the discharging height in the silo, marking the coke discharged in the silo at this time with the group batch number, and tracking the coke components in the silo;
3) theoretical calculation of silo unloading batch height:
firstly, obtaining the total height of the discharge materials in different silos of the queuing batch, namely height:
f(x)＝∑pheight (2)
secondly, calculating the actual height of each batch in the silo according to the formula (2), wherein the formula is as follows:
f(x)＝zheight*x (3)
wherein x is the proportion of the group batch number in the formula (2); the height is the total height of the discharging in the silo at this time;
finally, calculating the batch information contained in the coke currently discharged in each silo and the corresponding height of each batch by the following formula, wherein the calculation logic is described as follows:
wherein: h1, h2 and h3 represent actual blanking heights of all positions in the silo, and a1, a2 and a3 represent theoretical blanking heights corresponding to each group of batch numbers;
through logic processing, the actual blanking height and the mark post-group batch number are realized in a display mode of h1: chkno1, h21: chkno1, h22: chkno2, h31: chkno2, h32: chkno3 and h4: chkno3, and finally, the test results of the intensity CSR after reaction according to an important index in the coke are displayed through different colors in a silo realization batch effect diagram, so that a basis is provided for coke tracking on a next groove;
4) tracking coke components on the tank: tracking batch information of the current blanking port of the silo during blanking in real time, determining the starting height, starting time and position of the bin on the current groove through a belt running signal and a position signal of a bin loading trolley from the silo to the groove; recording the end height and end time on the groove according to the stop signal of the belt; calculating the batch height of the material on the trough according to the following formula:
f(x)＝endheight-startheight+(endtime-starttime)*xspeed/midu/(length*width)
wherein: xseed is the blanking speed of the upper and lower material openings of the tank, midu is the coke density, and length and width respectively represent the length and width of the bottom of the upper bin of the tank;
after the coke is tracked to the groove, the batch height data on the groove is confirmed, the coke tracking process is finished, and the purpose that the coke with components enters the furnace is achieved.
2. The method for charging blast furnace coke with ingredients according to claim 1, wherein the step of recording the train number information of the current train vehicle queue in step 1) is as follows: the method comprises the steps of obtaining and storing vehicle information waiting for unloading in front of a tipper through an internal fire dispatching system, and generating the vehicle information waiting for unloading into a uniform queuing batch including a vehicle number, the net weight of coke of each vehicle, test batching information, the total weight corresponding to each batching number and a sequencing sequence number for a subsequent tipper to unload.
3. The method of charging blast furnace coke with ingredients as set forth in claim 1, wherein the calculation of the discharge height in the silo in the step 2) is as follows: when the belt signal is an operation signal, the position signal of a skip car on the upper part of the silo is obtained, the time for starting unloading of the tipper, the initial height of unloading and the unloading position of the silo are confirmed and recorded, and when the belt operation signal is in a stop state, the terminal height of unloading is updated, so that the unloading height in the silo is calculated to be the terminal height-the initial height.
4. The method for charging blast furnace coke with ingredients according to claim 1, wherein the calculation logic for tracking the batch information of the current charging opening of the silo for charging in real time in the step 4) is as follows: a. acquiring the real-time height of the current silo; b. and traversing the batch data in the silo from the latest batch data to acquire the batch information of the bottommost layer in the silo.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116729942A (en) * | 2023-05-26 | 2023-09-12 | 中冶华天工程技术有限公司 | Blast furnace feeding identification recording method |
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Application publication date: 20200901 |