CN106868240B - Blast furnace material distribution angle verifying unit and method - Google Patents
Blast furnace material distribution angle verifying unit and method Download PDFInfo
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- CN106868240B CN106868240B CN201710099874.0A CN201710099874A CN106868240B CN 106868240 B CN106868240 B CN 106868240B CN 201710099874 A CN201710099874 A CN 201710099874A CN 106868240 B CN106868240 B CN 106868240B
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
- C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
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Abstract
The disclosure is directed to a kind of blast furnace material distribution angle verifying unit and methods, it is proofreaded for the turning angle to blast furnace material distribution chute, blast furnace material distribution chute is connected with the shaft of planetary reducer, planetary reducer drives blast furnace material distribution chute to fascinate under the control of encoder, the device includes: index dial, pointer and multiple close switches, wherein, pointer is vertically fixed in shaft, and pointer surrounds the axis rotation of shaft under the drive of shaft；The central point of index dial is located on the axis of shaft, and plane parallel where when plane where index dial and indicators turn；It is multiple to disperse to be fixed on index dial close to switch, each length for being respectively less than pointer at a distance from index dial central point close to switch, and each close switch is not overlapped with the line of index dial central point.Accuracy is higher when the program is proofreaded, and can complete to proofread encoder in non-stop-machine situation.
Description
Technical field
This application involves technical field of blast furnace ironmaking more particularly to a kind of blast furnace material distribution angle verifying unit and methods.
Background technique
In steel smelting procedure, when blast fumance, the raw materials such as ore, coke and fuel pass through the material feeding that furnace roof is arranged in
Bucket, by batch can, under fall on distributor chute, after distributor chute is according to the cloth angle set, material can by it is accurate
Even to be distributed in furnace throat, as blast furnace furnace charge.Different cloth angles makes distributing position and thickness of the furnace charge in blast furnace not
Together, distribution situation of the furnace charge in blast furnace is related to the position of gas fluid distrbution and blast furnace melting with soft in blast furnace, and then influences
Gas energy exchange and furnace charge normally decline situation, that is to say, that whether furnace charge can exist according to preset cloth angular distribution
It is the basis of blast furnace stable smooth operation, index promotion in blast furnace.
Therefore, the accuracy of distributor chute cloth angle is the key that blast fumance.Modern blast furnace chute cloth angle is logical
The automatic control system with encoder is crossed to be controlled, exports a set of or two sets of encoder values, is then converted into blast furnace reality
Border cloth angle, but distributor chute is located at blast furnace throat top, control system is in the adverse circumstances such as high-temperature dust, encoder
It is easy to appear failure, once breaking down, blast furnace material distribution angle will be unable to be controlled, it is necessary to which damping down processing, check and correction is marked again
Determine chute cloth angle.
The check and correction of traditional chute cloth angle, it is necessary to be carried out under the conditions of blast furnace staying, and due to cannot be introduced into blast furnace
Internal measurement, typically by auxiliary tools such as protractors, then range estimation obtains the practical cloth angle of chute, utilizes the reality
Cloth angle again demarcates encoder, could control again chute.By research, it has been found that the party
On the one hand method needs blast furnace staying, influence normally to produce；On the other hand it needing by artificial range estimation, error is larger, it cannot be guaranteed that
The accuracy of chute cloth angle.
Summary of the invention
This application discloses a kind of blast furnace material distribution angle verifying unit and methods, to solve distributor chute described in background technique
Cloth angle proofread when there are the problem of.
In order to solve the above technical problems, the application is disclosed directly below technical solution:
A kind of blast furnace material distribution angle verifying unit, is proofreaded for the turning angle to blast furnace material distribution chute, the height
Furnace distributor chute is connected with the shaft of planetary reducer, and the planetary reducer drives blast furnace material distribution under the control of encoder
Chute fascinates, and described device includes: index dial, pointer and multiple close switches, wherein
The pointer is vertically fixed in the shaft, and the pointer is under the drive of the shaft around the shaft
Axis rotation；
The central point of the index dial is located on the axis of the shaft, and plane and the pointer where the index dial
Plane parallel where when rotation；
Multiple close switch dispersions are fixed on the index dial, each described close in switch and the index dial
The distance of heart point is respectively less than the length of the pointer, and the line of each close switch and the index dial central point is not
It is overlapped.
Optionally, the index dial is disk or semi-disc.
Optionally, multiple mounting grooves are provided on side where the pointer of the index dial, it is each equal close to switch
It is mounted in the mounting groove.
Optionally, the length of the pointer is equal to the radius of the index dial, and multiple mounting groove scattering devices are at described point
On the edge of scale.
Optionally, the planetary reducer is connected at least two encoders, and at least two encoder is independently controlled
Make the planetary reducer work.
Optionally, the quantity close to switch is 5 to 8.
Optionally, each position close to switch is opposite with a default turning angle of the blast furnace material distribution chute respectively
It answers.
A kind of blast furnace material distribution angle proofreading method, is proofreaded for the turning angle to blast furnace material distribution chute, the height
Furnace distributor chute is connected with the shaft of planetary reducer, and the planetary reducer drives blast furnace under the control of the first encoder
Distributor chute fascinates, the blast furnace further include: the blast furnace material distribution angle verifying unit as described in aforementioned, which comprises
Obtain the control encoded radio that first encoder receives；
According to pre-set encoded radio and cloth angle corresponding relationship, target corresponding with the control encoded radio is determined
Cloth angle；
When first encoder is controlled by turning angle of the planetary reducer to blast furnace material distribution chute, obtain
The blast furnace material distribution chute be triggered after fascinating close to switch；
The reference cloth angle of the blast furnace material distribution chute is determined according to the position close to switch being triggered；
Judge whether the target cloth angle and the reference cloth angle are consistent；
When the target cloth angle and the inconsistent reference cloth angle, first encoder fault is determined；
The blast furnace material distribution chute is fascinated respectively to difference close to switch, and is recorded the blast furnace material distribution chute and fascinated to not
With the encoded radio close to first encoder when switching；
According to difference close to corresponding angle and encoded radio is switched, the encoded radio and cloth of first encoder are updated
The corresponding relationship of angle.
Optionally, described to switch corresponding angle and encoded radio according to difference is close, update first encoder
The corresponding relationship of encoded radio and cloth angle, including
It obtains when the blast furnace material distribution chute fascinates to greatest limit close to switching corresponding first angle and described the
One the first encoded radio of encoder；
It obtains when the blast furnace material distribution chute fascinates to least limit close to switching corresponding second angle and described the
One the second encoded radio of encoder；
The linear relationship between the first angle and second angle is established, first encoded radio and the second coding are established
Linear relationship between value；
According to the linear relationship and first encoded radio and the second coding between the first angle and second angle
Linear relationship between value establishes the corresponding relationship of first encoder new encoded radio and cloth angle.
Optionally, the planetary reducer is connected at least two encoders, and at least two encoder is independently controlled
The planetary reducer work is made, at least two encoder includes second encoder；
After determining first encoder fault, the method also includes；
The control encoder of the planetary reduction gear is switched to the second encoder by first encoder.
The technical scheme provided by this disclosed embodiment can include the following benefits:
In the program provided by the embodiments of the present application, on the one hand, need to encoder proofread when, can directly utilize with
The fixed pointer of shaft and index dial are directly proofreaded, and index dial is located at outside blast furnace, can be carved with clear view to accurate
Degree, accuracy is higher when check and correction.On the other hand, planetary reducer is connected at least two encoders, and described at least two compile
Planetary reducer work described in code device independent control.In this way when an encoder fault, can use another encoder after
Continuous work, and then can to complete to proofread encoder in non-stop-machine situation.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Technical solution in ord to more clearly illustrate embodiments of the present application or in background technique, below will be to embodiment or back
Attached drawing needed in scape technical description is briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of a kind of structural schematic diagram of blast furnace material distribution angle verifying unit provided by the embodiments of the present application；
Fig. 2 is a kind of another structural schematic diagram of blast furnace material distribution angle verifying unit provided by the embodiments of the present application；
Fig. 3 be Fig. 2 in A to direction structure schematic diagram；
Fig. 4 is a kind of flow diagram of blast furnace material distribution angle proofreading method provided by the embodiments of the present application.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the application, instead of all the embodiments.Based on the embodiment in the application, this field is general
The application guarantor all should belong in logical technical staff every other embodiment obtained without making creative work
The range of shield.
Fig. 1 is a kind of a kind of structural schematic diagram of blast furnace material distribution angle verifying unit provided by the embodiments of the present application.Fig. 2 is
A kind of another structural schematic diagram of blast furnace material distribution angle verifying unit provided by the embodiments of the present application.Fig. 3 be Fig. 2 in A to side
To structural schematic diagram.
It include: shaft 1, index dial 2, close switch 3, pointer 4, mechanical master controller 5 and planetary reducer in Fig. 1-3
6。
The blast furnace material distribution angle verifying unit is carried out for the turning angle to blast furnace material distribution chute (being above not shown in the figure)
Check and correction, the blast furnace material distribution chute are connected with the shaft 1 of planetary reducer 6, and the planetary reducer 6 is in encoder (in figure
Be not shown) control under driving blast furnace material distribution chute fascinate, as shown in Figure 1-3, the blast furnace material distribution angle verifying unit includes: point
Scale 2, pointer 4 and multiple close switches 3, wherein.
The pointer 4 is vertically fixed in the shaft 1, and the pointer 4 can surround institute under the drive of the shaft 1
State the axis rotation of shaft 1.The effect of shaft 1 is to drive blast furnace material distribution chute to swing, and then change cloth angle.
The central point of the index dial 2 is located on the axis of the shaft 1, and 2 place plane of the index dial with it is described
Plane parallel where when pointer 1 rotates, index dial 2 is separated with shaft 1 and 4 phase of pointer, and index dial 2 is fixed,
It i.e. will not be movable with the rotation of shaft 1.In the embodiment of the present application, index dial can be disk and be also possible to semi-disc, certainly
It can also be the arched plate of other angles if needed.
Multiple close dispersions of switch 3 are fixed on the index dial 2, each described close to switch 3 and the indexing
The distance of 2 central point of disk is respectively less than the length of the pointer 4, and it is each close to opening that this shelters from pointer in rotation
It closes.Effect close to switch is that signal is generated when pointer passes through, for detecting the position of pointer, due to each close to switch position
Know in advance in the position on index dial, so being just able to know that the angle of fascinating of pointer according to the signal generated close to switch
Degree, and then turning angle when knowing the cloth of blast furnace material distribution chute.
In addition, each close switch is not overlapped with the line of the index dial central point.Namely each approach is opened
The position of pass is corresponding with a default turning angle of the blast furnace material distribution chute respectively.In the embodiment of the present application, to refer to
Needle is 0 degree vertically downward, can will be mounted on several positions such as 20 °, 25 °, 30 °, 35 °, 40 ° close to switch.
It can set or be bolted on index dial close to switch, for example, in the pointer of the index dial
Multiple mounting grooves are provided on the side of place, it is each to be installed in the mounting groove close to switch.Certainly in index dial
On mounting hole can also be set, as shown in Fig. 2, in this way close to switch can be stuck in mounting hole.
The length of the pointer is equal to the radius of the index dial, and multiple mounting groove scattering devices are on the side of the index dial
On edge.
In the application other embodiments, the planetary reducer is connected at least two encoders, and described at least two
The work of planetary reducer described in a encoder independent control.In this way when an encoder fault, another coding can use
Device works on, and then can to complete to proofread encoder in non-stop-machine situation.
The quantity for the angle that can according to need setting close to the quantity of switch is freely set, it is generally the case that described to connect
The quantity closely switched is 5 to 8.
The application other embodiments also provide a kind of blast furnace material distribution angle proofreading method, for inclining to blast furnace material distribution chute
Dynamic angle is proofreaded, and the blast furnace material distribution chute is connected with the shaft of planetary reducer, and the planetary reducer is first
Blast furnace material distribution chute is driven to fascinate under the control of encoder, the blast furnace further include: blast furnace material distribution as in the foregoing embodiment
Angle verifying unit, as shown in figure 4, the described method comprises the following steps:
S101: the control encoded radio that first encoder receives is obtained；
S102: according to pre-set encoded radio and cloth angle corresponding relationship, determination is corresponding with the control encoded radio
Target cloth angle；
When first encoder is controlled by turning angle of the planetary reducer to blast furnace material distribution chute,
S103: obtain be triggered after the blast furnace material distribution chute fascinates close to switch；
S104: the reference cloth angle of the blast furnace material distribution chute is determined according to the position close to switch being triggered
Degree；
S105: judge whether the target cloth angle and the reference cloth angle are consistent；
When the target cloth angle and the inconsistent reference cloth angle, S106: first encoder is determined
Failure；Otherwise, terminate process.
S107: the blast furnace material distribution chute that fascinates respectively records the blast furnace material distribution chute to different close to switch
It fascinates to the different encoded radios close to first encoder when switching；
S108: according to difference close to corresponding angle and encoded radio is switched, the encoded radio of first encoder is updated
With the corresponding relationship of cloth angle.
In the program provided by the embodiments of the present application, on the one hand, need to encoder proofread when, can directly utilize with
The fixed pointer of shaft and index dial are directly proofreaded, and index dial is located at outside blast furnace, can be carved with clear view to accurate
Degree, accuracy is higher when check and correction.On the other hand, planetary reducer is connected at least two encoders, and described at least two compile
Planetary reducer work described in code device independent control.In this way when an encoder fault, can use another encoder after
Continuous work, and then can to complete to proofread encoder in non-stop-machine situation.
In the embodiment of the present application, it is described according to difference close to corresponding angle and encoded radio is switched, update described the
The encoded radio of one encoder and the corresponding relationship of cloth angle, comprising the following steps:
It obtains when the blast furnace material distribution chute fascinates to greatest limit close to switching corresponding first angle and described the
One the first encoded radio of encoder；
It obtains when the blast furnace material distribution chute fascinates to least limit close to switching corresponding second angle and described the
One the second encoded radio of encoder；
The linear relationship between the first angle and second angle is established, first encoded radio and the second coding are established
Linear relationship between value；
According to the linear relationship and first encoded radio and the second coding between the first angle and second angle
Linear relationship between value establishes the corresponding relationship of first encoder new encoded radio and cloth angle.
In the embodiment of the present application, the planetary reducer is connected at least two encoders, and described at least two compile
Planetary reducer work described in code device independent control, at least two encoder includes second encoder；
After determining first encoder fault, the method also includes；
The control encoder of the planetary reduction gear is switched to the second encoder by first encoder.
By the description of above embodiment of the method, it is apparent to those skilled in the art that the application can
Realize by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases the former
It is more preferably embodiment.Based on this understanding, the technical solution of the application substantially makes tribute to the prior art in other words
The part offered can be embodied in the form of software products, which is stored in a storage medium, packet
Some instructions are included to use so that a computer equipment (can be personal computer, server or the network equipment etc.) executes
The all or part of the steps of each embodiment the method for the application.And storage medium above-mentioned includes: read-only memory
(ROM), the various media that can store program code such as random access memory (RAM), magnetic or disk.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit of separate part description may or may not be physically separated, component shown as a unit can be or
Person may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can root
According to actual need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel can understand and implement without creative efforts.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (6)
1. a kind of blast furnace material distribution angle verifying unit, which is characterized in that carry out school for the turning angle to blast furnace material distribution chute
Right, the blast furnace material distribution chute is connected with the shaft of planetary reducer, and the planetary reducer drives under the control of encoder
Dynamic blast furnace material distribution chute fascinates, and described device includes: index dial, pointer and multiple close switches, wherein
The pointer is vertically fixed in the shaft, and the pointer surrounds the axle center of the shaft under the drive of the shaft
Rotation；
The central point of the index dial is located on the axis of the shaft, and plane and the indicators turn where the index dial
When where plane parallel；
Multiple close switch dispersions are fixed on the index dial, each described close to switch and the index dial central point
Distance be respectively less than the length of the pointer, and each line close to switch and the index dial central point does not weigh
It closes；
Wherein, the index dial is disk or semi-disc；
Multiple mounting grooves are provided on side where the pointer of the index dial, it is each to be installed in an institute close to switch
It states in mounting groove；
The planetary reducer is connected at least two encoders, and planet described in at least two encoders independent control subtracts
Fast machine work；
Each position close to switch is corresponding with a default turning angle of the blast furnace material distribution chute respectively.
2. blast furnace material distribution angle verifying unit according to claim 1, which is characterized in that the length of the pointer is equal to institute
The radius of index dial is stated, multiple mounting groove scattering devices are on the edge of the index dial.
3. blast furnace material distribution angle verifying unit according to claim 1, which is characterized in that described to be close to the quantity switched
5 to 8.
4. a kind of blast furnace material distribution angle proofreading method, which is characterized in that carry out school for the turning angle to blast furnace material distribution chute
Right, the blast furnace material distribution chute is connected with the shaft of planetary reducer, control of the planetary reducer in the first encoder
Lower driving blast furnace material distribution chute fascinates, the blast furnace further include: blast furnace material distribution angle as claimed in any one of claims 1-3
Verifying unit, which comprises
Obtain the control encoded radio that first encoder receives；
According to pre-set encoded radio and cloth angle corresponding relationship, target cloth corresponding with the control encoded radio is determined
Angle；
When first encoder is controlled by turning angle of the planetary reducer to blast furnace material distribution chute, described in acquisition
Blast furnace material distribution chute be triggered after fascinating close to switch；
The reference cloth angle of the blast furnace material distribution chute is determined according to the position close to switch being triggered；
Judge whether the target cloth angle and the reference cloth angle are consistent；
When the target cloth angle and the inconsistent reference cloth angle, first encoder fault is determined；
The blast furnace material distribution chute is fascinated respectively to different close to switch, and is recorded the blast furnace material distribution chute and fascinated to difference
Close to the encoded radio of first encoder when switching；
According to difference close to corresponding angle and encoded radio is switched, the encoded radio and cloth angle of first encoder are updated
Corresponding relationship.
5. blast furnace material distribution angle proofreading method according to claim 4, which is characterized in that described according to the close switch of difference
Corresponding angle and encoded radio update the encoded radio of first encoder and the corresponding relationship of cloth angle, comprising:
It obtains when the blast furnace material distribution chute fascinates to greatest limit close to switching corresponding first angle and described first compile
Code the first encoded radio of device；
It obtains when the blast furnace material distribution chute fascinates to least limit close to switching corresponding second angle and described first compile
Code the second encoded radio of device；
Establish the linear relationship between the first angle and second angle, establish first encoded radio and the second encoded radio it
Between linear relationship；
According between the first angle and second angle linear relationship and first encoded radio and the second encoded radio it
Between linear relationship, establish the corresponding relationship of first encoder new encoded radio and cloth angle.
6. blast furnace material distribution angle proofreading method according to claim 4, which is characterized in that the planetary reducer at least
Two encoders are connected, and the work of planetary reducer described in at least two encoders independent control, described at least two compile
Code device includes second encoder；
After determining first encoder fault, the method also includes；
The control encoder of the planetary reduction gear is switched to the second encoder by first encoder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710099874.0A CN106868240B (en) | 2017-02-23 | 2017-02-23 | Blast furnace material distribution angle verifying unit and method |
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| CN201710099874.0A CN106868240B (en) | 2017-02-23 | 2017-02-23 | Blast furnace material distribution angle verifying unit and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107400746B (en) * | 2017-06-26 | 2019-07-12 | 北京首钢股份有限公司 | A kind of top airtight box α Angle Position monitoring device |
| CN110411498A (en) * | 2019-07-24 | 2019-11-05 | 莱芜钢铁集团电子有限公司 | A kind of accurate soft check method of encoder |
| CN111850207B (en) * | 2020-08-19 | 2024-04-09 | 山东钢铁股份有限公司 | Control system and control method for tilting angle of blast furnace distribution chute |
| CN114350876A (en) * | 2022-01-12 | 2022-04-15 | 新疆八一钢铁股份有限公司 | Alpha angle correction method and angle measuring tool for material distribution chute of blast furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20020049471A (en) * | 2000-12-19 | 2002-06-26 | 이구택 | Apparatus for correcting the shape of the chute of the blast furnace |
| CN202322892U (en) * | 2011-11-30 | 2012-07-11 | 北大方正集团有限公司 | Material distribution angle measuring device of material distribution chute of blast furnace |
| CN202786295U (en) * | 2012-07-25 | 2013-03-13 | 江苏永钢集团有限公司 | Fixed angulometer for chute in blast furnace |
| CN104894318B (en) * | 2014-03-05 | 2017-02-08 | 鞍钢股份有限公司 | Blast furnace screw material distribution correcting method |
| CN204569956U (en) * | 2015-04-10 | 2015-08-19 | 武钢集团昆明钢铁股份有限公司 | A kind of airtight box turning angle tracking device |
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