CN103076064B - Method and device for acquiring material level of lime kiln - Google Patents
Method and device for acquiring material level of lime kiln Download PDFInfo
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- CN103076064B CN103076064B CN201210594927.3A CN201210594927A CN103076064B CN 103076064 B CN103076064 B CN 103076064B CN 201210594927 A CN201210594927 A CN 201210594927A CN 103076064 B CN103076064 B CN 103076064B
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Abstract
The invention provides a method for acquiring the material level of a lime kiln, and provides a device for acquiring the material level of the lime kiln. The method comprises the following steps of: acquiring the initial material level of the lime kiln, an ash taking speed, and the masses of limestone and coke in the lime kiln within a unit time; calculating a first variable quantity of the material level of the lime kiln in a simulated way after loading of the lime kiln by using the masses of the limestone and the coke in the lime kiln; calculating a second variable quantity of the material level of the lime kiln in a simulated way after ash taking from the lime kiln by using the ash taking speed and the unit time; and calculating by using the initial material level of the lime kiln together with the first variable quantity and the second variable quantity to obtain a determined value after material level change of the lime kiln after loading and ash taking within the unit time. The method is simple and practicable; and moreover, the material level of the lime kiln can be provided accurately so as to judge the kiln condition of the lime kiln accurately in time according to the material level of the lime kiln and to perform operation control on the lime kiln, so that the control level of the lime kiln is raised, and strong support is further provided for the production, stable yield and high yield of the lime kiln.
Description
Technical field
The present invention relates to automatic field, be specifically related to a kind of method and the device that obtain material level of lime kiln.
Background technology
Lime is a kind of material of diverse in function, be widely used in multiple industries such as iron and steel production, construction work, petrochemical complex light industry and agricultural, national economy and social sustainable development, promote the development of lime industry technology, make the demand of lime more and more urgent, therefore exigence businessman produces more and more lime.
Limekiln is the major equipment of the lime productions such as ammonia-soda process alkaline, metallurgy.In its production run, limekiln is all while from kiln jacking row material loading (potpourri of lime stone and coke), while carry out getting the ash (product after limestone calcination bottom limekiln, i.e. unslaked lime), within 1 hour, be that a production cycle is (within a production cycle, substantially be material loading 28 tons, general 45 minutes of used time, get ash general 30 minutes used times.Namely this production model is that discontinuous is produced, and in one hour, material loading and get ash and carry out simultaneously, after task is completed, waits for the arrival of next hour).Material loading and get ash process in, if upper doses and get grey duration and do not mate, material level of lime kiln will change, and too high or too lowly all can cause limekiln calcining zone skew, limekiln is divided into 3 Production Regional substantially, is respectively preheating zone, calcining zone, cooling zone.If material loading is too much, it is short to get the ash time, calcining zone just on move; If material loading is few, get ash the time long, calcining zone just moves down, and calcining zone moving or moves down all can affect product quality and energy consumption, affects kiln condition.Optimal state knows the temperature of calcination area, but in limekiln, calcining zone temperature is too high, can not detect.And the way of a reliable relatively good realization is exactly measure the controlling level in limekiln, as long as ensure that material level of lime kiln fluctuates in index, the position of calcining zone just can be ensured.
Due to kiln wall thickness, kiln temperature is high, and material is again irregular particle shape solid, and not having can the in-line meter of direct-detection.Current material level of lime kiln detection method normally within a production cycle (namely 1 hour), complete limekiln material loading and after getting ash, by manually directly inserting in kiln from kiln top with stock rod, (material is not filled in production run in limekiln, also has the hollow space of 3.5 ~ 4.5 meters high), reading the height of hollow space in limekiln, is exactly the controlling level in limekiln.In usual production run, operating personnel will carry out control adjustment according to the height of material level of lime kiln.If material level is high, namely in kiln, hollow space is too high, and on operating personnel increase within a production cycle according to kiln condition, grey duration is got in doses or minimizing; If material level is low, namely in kiln, hollow space is too low, and on operating personnel just reduce within a production cycle according to kiln condition, grey duration is got in doses or increase.Because site environment is poor, and kiln environment temperature is high, if operating personnel measure material level of lime kiln not in time, height according to material level adjusts in time, be easy to cause material level too high or too low, thus cause limekiln calcining zone fluctuation, directly affect limekiln calcining effect and product quality.Therefore in process of production, the position stability of calcining zone must be ensured, and material level of lime kiln directly characterizes the whether stable optimal parameter of calcining zone.If material level of lime kiln fluctuates within the limits prescribed, then illustrate that limekiln calcining zone is stablized, and produces steady load.
In prior art, producer was once had to pass through, on limekiln, radar level gauge is installed, and at limekiln alien invasion, a track run up and down for radar level gauge is installed, and run scanning limekiln inner case up and down, in order to monitor material level of lime kiln by radar level gauge in official hour.But because radar level gauge is a kind of radioactive instrumentation, owing to having radioactive source material in this level-sensing device, operative employee usually row examines away from this region, if orbit or instrument have problem, instrumentation personnel inconvenience is safeguarded, and due to the poor stability of radar level gauge, be difficult to accurately material level of lime kiln be detected.
Therefore present in the urgent need to a kind of scheme accurately determining material level of lime kiln in process of production, thus improve the level of control in limekiln, further for the production in limekiln provides strong support.
Summary of the invention
The invention provides a kind of method and the device that obtain material level of lime kiln, material level of lime kiln can be obtained accurately, thus improve the level of control in limekiln, further for the production in limekiln provides strong support.
Obtain a method for material level of lime kiln, comprising:
Obtain initial material level of lime kiln, get grey speed, in the unit interval, in each production cycle, add the quality of the lime stone in limekiln and the quality of coke;
In the described unit interval, when ash is not got in described limekiln, according to the quality of the described lime stone in described limekiln and the quality of described coke, the first variable quantity of material level of lime kiln after the material loading of calculating limekiln;
In the described unit interval, when described limekiln not material loading, according to described in get limekiln described in grey rate calculations and get the second variable quantity of material level of lime kiln after ash;
Material level of lime kiln is obtained according to described initial material level of lime kiln, described first variable quantity and described second variable quantity.
Preferably, in the described unit interval, when ash is not got in described limekiln, according to the first variable quantity of material level of lime kiln after the quality of the described lime stone in described limekiln and the Mass Calculation limekiln material loading of described coke, comprising:
In the described unit interval, when ash is not got in described limekiln, in production cycle described in each, using the quality of lime stone described in each and coke quality described in each with the quality be worth as potpourri in the production cycle described in each;
According to the proportionate relationship of the quality of the quality of lime stone described in each and coke described in each, obtain the density of potpourri described in each;
According to the density of the quality of potpourri described in each and potpourri described in each, obtain the volume of potpourri described in each;
Acquisition directly or indirectly can obtain the class radius parameter of described limekiln radius, and utilizes described class radius parameter to obtain the radius in described limekiln;
Utilize the floorage in described radius calculation limekiln;
Utilize the floorage in the volume of potpourri described in each and described limekiln, obtain the variable quantity of material level of lime kiln described in the production cycle described in each;
Calculate the variable quantity of material level of lime kiln described in the production cycle described in each and value, using described and value the first variable quantity as described material level of lime kiln after the material loading of described limekiln.
Preferably, in the described unit interval, when described limekiln not material loading, according to described in get limekiln described in grey rate calculations and get the second variable quantity of material level of lime kiln after ash, comprising:
In the described unit interval, when described limekiln not material loading, get first product of grey speed and described unit interval described in calculating;
Described first product is got the second variable quantity of the rear described material level of lime kiln of ash as described limekiln.
Preferably, in the described unit interval, when described limekiln not material loading, according to described in get limekiln described in grey rate calculations and get the second variable quantity of material level of lime kiln after ash, comprising:
In the described unit interval, when described limekiln not material loading, obtain the correction factor of described material level of lime kiln;
Second product of grey speed, described unit interval and described correction factor three is got described in calculating;
Described second product is got the second variable quantity of the rear described material level of lime kiln of ash as described limekiln.
Preferably, the correction factor of the described material level of lime kiln of described acquisition, comprising:
In the described unit interval, when described limekiln not material loading, make described correction factor value be 1, calculate the theoretical variable quantity of described material level of lime kiln;
Obtain the actual change amount through the described material level of lime kiln of manual measurement;
By the theoretical variable quantity of the actual change amount of described material level of lime kiln divided by described material level of lime kiln, and obtain quotient;
Using the correction factor of described quotient as described material level of lime kiln.
Preferably, the initial material level of lime kiln of described acquisition, get in grey speed, unit interval and add the quality of the lime stone in limekiln and the quality of coke in each production cycle, comprising:
Within the unit interval, gather in each production cycle to add and add the quality of the lime stone in limekiln and the quality of coke in limekiln;
The quality of coke described in the quality of lime stone described in each and each is stored in default database;
Obtain in the database preset described initial material level of lime kiln, described in get grey speed, the quality of the quality of lime stone described in each and coke described in each.
Obtain a device for material level of lime kiln, comprising:
First acquiring unit, for obtaining initial material level of lime kiln, getting grey speed, adding the quality of the lime stone in limekiln and the quality of coke in each production cycle in the unit interval;
First computing unit, in the described unit interval, when ash is not got in described limekiln, according to the quality of the described lime stone in described limekiln and the quality of described coke, the first variable quantity of material level of lime kiln after the material loading of calculating limekiln;
Second computing unit, in the described unit interval, when described limekiln not material loading, according to described in get limekiln described in grey rate calculations and get the second variable quantity of material level of lime kiln after ash;
Second acquisition unit, for obtaining material level of lime kiln according to described initial material level of lime kiln, described first variable quantity and described second variable quantity.
Preferably, described first computing unit comprises:
Quality calculation unit, in the described unit interval, when ash is not got in described limekiln, in production cycle described in each, calculate the quality of lime stone described in each and coke quality described in each and value, and using the described and value quality as potpourri in the production cycle described in each;
Obtain Density Units, for the proportionate relationship of the quality of the quality according to lime stone described in each and coke described in each, obtain the density of potpourri described in each;
Obtain volume element, for the density of the quality according to potpourri described in each and potpourri described in each, obtain the volume of potpourri described in each;
Obtaining radius unit, for obtaining the class radius parameter that directly or indirectly can obtain described limekiln radius, and utilizing described class radius parameter to obtain the radius in described limekiln;
Floorage computing unit, for utilizing the floorage in described radius calculation limekiln;
3rd acquiring unit, utilizes the floorage in the volume of potpourri described in each and described limekiln, obtains the variable quantity of material level of lime kiln described in the production cycle described in each;
3rd computing unit, for calculate the variable quantity of material level of lime kiln described in the production cycle described in each and value, using described and value the first variable quantity as described material level of lime kiln after the material loading of described limekiln.
Preferably, described second computing unit comprises:
First calculates product unit, for in the described unit interval, when described limekiln not material loading, get first product of grey speed and described unit interval described in calculating, and the second variable quantity of described material level of lime kiln described first product is got ash as described limekiln after.
Preferably, described second computing unit comprises:
Obtain correction factor unit, in the described unit interval, when described limekiln not material loading, obtain the correction factor of described material level of lime kiln;
Second calculates product unit, for getting second product of grey speed, described unit interval and described correction factor three described in calculating, described second product is got the second variable quantity of described material level of lime kiln after ash as described limekiln.
The present invention gives a kind of measuring method of material level of lime kiln, initial material level of lime kiln is obtained in unit interval, get the quality of lime stone and the quality of coke in grey speed and limekiln, utilizing the quality of lime stone and the quality of coke in limekiln, first variable quantity of material level of lime kiln after the material loading of analog computation limekiln, grey speed and unit interval are got in utilization, the second variable quantity of the rear material level of lime kiln of ash is got in analog computation limekiln, initial material level of lime kiln and the first variable quantity and the second variable quantity is utilized to calculate, can obtain in the unit interval through material loading and get material level of lime kiln after ash change after determined value, the method is simple, and can provide material level of lime kiln accurately, so that workman according to material level of lime kiln, further can manage limekiln, thus improves the level of control in limekiln, further for the production in limekiln provides strong support.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the disclosed process flow diagram obtaining the method for material level of lime kiln of the embodiment of the present invention;
Fig. 2 is the disclosed position view obtaining material level of lime kiln in the method for material level of lime kiln of the embodiment of the present invention;
Fig. 3 is the process flow diagram obtaining the first variable quantity in the method for the embodiment of the present invention disclosed acquisition material level of lime kiln;
Fig. 4 is coke ratio and density relationship schematic diagram in the method for the embodiment of the present invention disclosed acquisition material level of lime kiln;
Fig. 5 is the process flow diagram obtaining the second variable quantity in the method for the embodiment of the present invention disclosed acquisition material level of lime kiln;
The process flow diagram of Fig. 6 method of another acquisition material level of lime kiln disclosed in the embodiment of the present invention;
The process flow diagram of the second variable quantity is obtained in the method for Fig. 7 another acquisition material level of lime kiln disclosed in the embodiment of the present invention;
Fig. 8 is the disclosed structural representation obtaining the device of material level of lime kiln of the embodiment of the present invention;
Fig. 9 is the disclosed structural representation obtaining the first computing unit in the device of material level of lime kiln of the embodiment of the present invention;
Figure 10 is the disclosed structural representation obtaining the second computing unit in the device of material level of lime kiln of the embodiment of the present invention;
The structural representation of the second computing unit in the device of Figure 11 another acquisition material level of lime kiln disclosed in the embodiment of the present invention;
The structural representation of Figure 12 device of another acquisition material level of lime kiln disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, be first embodiment of the invention, the invention provides a kind of method obtaining material level of lime kiln, comprising:
Step S101: obtain desired parameters, namely obtain initial material level of lime kiln, get grey speed, add the quality of the lime stone in limekiln and the quality of coke in each production cycle in the unit interval;
Initial material level of lime kiln: material level of lime kiln be limekiln material loading after remaining spatial altitude in limekiln, alphabetical H is adopted to represent, as shown in Figure 2, for to after the material loading of limekiln, workman adopts stock rod to measure material level of lime kiln H initial in limekiln, and is added in default database by initial material level of lime kiln H.
Get grey speed: under the prerequisite of limekiln not material loading, first stock rod is manually adopted to measure the current material level of lime kiln A1 in limekiln, then manually start and get grey rotating disk, start to get ash, and adopt stopwatch or the calculating of other times measuring apparatus to get the ash time, if the time is T1, get the ash time when reaching T1, grey rotating disk is got in closedown, and then adopts the mode of artificial stock rod, measures the material level of lime kiln A2 after getting ash; The variable quantity C1=A1-A2 of material level of lime kiln calculated, then limekiln get grey speed V=C1/T1, the grey speed V that gets in limekiln is added in default database.
Have N number of production cycle in unit interval, N natural number comprises: 0,1,2,3 ... N, a production cycle is about 30-50 minute, and in the unit interval, the quantity of production cycle is fixed with the unit interval, does not limit at this; The quality of lime stone adopts W
srepresent, the quality of coke adopts W
crepresent.Limekiln feeding process is: in each production cycle, limekiln by PLC(Programmable Logic Controller, programmable logic controller (PLC)) control system, automatically complete the process of batching, material loading.
Production run is: manually according to the purity of lime stone, according to operating experience, sets in this production cycle the quality W of the lime stone needed of preparing burden
s, PLC control system, according to coke ratio (ratio of coke and lime stone, ratio is probably 6-9%, is called coke ratio traditionally, according to operating experience, kiln condition and material composition sets itself), calculates the coke quality W of needs
c, through PLC control system automatic weighing, and mixed with coke by lime stone, obtain the potpourri needed for material loading, be sent to top, limekiln after potpourri being poured into dolly through windlass, by material distributor, evenly tiling is in limekiln.
The quality of PLC control system Real-time Collection by lime stone and the quality of coke, N number of production cycle is had within the unit interval, the quality of lime stone and coke quality in PLC control system Real-time Collection each production cycle, therefore PLC control system obtains the quality of N number of lime stone
with N number of coke quality
and by the quality of lime stone
n number of coke quality
and coke ratio, be added in default database, wherein i=0,1,2,3 ... N.
Step S102: calculate the first variable quantity, namely in the described unit interval, when ash is not got in described limekiln, according to the quality of the described lime stone in described limekiln and the quality of described coke, the first variable quantity of material level of lime kiln after the material loading of calculating limekiln;
As shown in Figure 3, in a step 102, can following steps be subdivided into, comprise:
Step S301: obtain mixture quality, namely in the described unit interval, when ash is not got in described limekiln, in production cycle described in each, using the quality of lime stone described in each and coke quality described in each with the quality be worth as potpourri in the production cycle described in each;
Within the unit interval, in order to ensure the accuracy of material level of lime kiln after the material loading of limekiln, the first variable quantity below calculating material level of lime kiln carries out when ash is not got in limekiln.
The quality of each lime stone is obtained in the database preset
with each coke quality
and by the quality of each lime stone in each production cycle
with each coke quality
sue for peace, obtain the quality adding potpourri in limekiln in each production cycle
the quality of described potpourri adopts following formula to represent:
W
i m=W
i s+ W
i c(formula 1)
In formula (1), i=0,1,2,3 ... N.
Step S302: obtain mixture density, namely according to the proportionate relationship of the quality of the quality of lime stone described in each and coke described in each, obtains the density of potpourri described in each;
As shown in Figure 4, for the relation between coke ratio and mixture density, in advance the corresponding relation of the potpourri in coke ratio and limekiln is added in default database, from the database preset, obtain the coke ratio (i.e. the proportionate relationship of the quality of lime stone described in each and the quality of coke described in each) of each production cycle in this step, the coke ratio according to each production cycle obtains the density p of potpourri in limekiln in each production cycle in the database preset
i, wherein, i=0,1,2,3 ... N.
Step S303: obtain volume of mixture, namely according to the density of the quality of potpourri described in each and potpourri described in each, obtains the volume of potpourri described in each;
Utilize the quality obtaining potpourri in each production cycle in formula (1)
and the density p of potpourri
ithe relation of quality, density and volume is utilized to calculate the volume V of potpourri in each production cycle
i, the volume of described potpourri adopts following formula to represent:
Wherein, i=0,1,2,3 ... N.
Step S304: obtain limekiln radius, namely obtains the class radius parameter that directly or indirectly can obtain described limekiln radius, and utilizes described class radius parameter to obtain the radius in described limekiln;
In the database preset, store the various parameters in limekiln, comprise the parameters such as the girth of limekiln inwall, the diameter of limekiln inwall, the radius of limekiln inwall.
In the stack room of presetting, obtain the class radius parameter in this limekiln, so-called class radius parameter is the parameter of calculating limekiln radius that can be direct or indirect, such as: the perimeter L of the inwall in limekiln, limekiln diameter D, limekiln radius R etc.
According to the perimeter L of the inwall in limekiln, obtain limekiln radius R, girth formula can be adopted
The deformation formula of L=2* π * R, can obtain R=L/2 π, utilize the radius R in this formulae discovery limekiln.
According to the diameter D of the inwall in limekiln, obtain limekiln radius R, R=D/2 can be adopted to obtain limekiln radius R.
Limekiln radius R, directly takes limekiln radius R in the database preset.
Step S305: calculate limekiln volume, namely utilize the floorage in described radius calculation limekiln;
Utilize above-mentioned steps to obtain limekiln radius R, and utilize circular area formula to obtain the floorage S in limekiln, the computing formula of floorage S is:
S=2* π R ... formula (3)
Step S306: obtain each variable quantity, namely utilizes the floorage in the volume of potpourri described in each and described limekiln, obtains the variable quantity of material level of lime kiln described in the production cycle described in each;
Formula (2) is utilized to obtain the volume V of potpourri in each production cycle
iand the floorage obtaining limekiln in formula (3) can obtain, the variable quantity H of material level of lime kiln in each production cycle
i, adopt the variable quantity of following formulae discovery material level of lime kiln:
H
i=V
i/ S ... formula (4)
In formula (4), i=0,1,2,3 ... N.
Step S307: calculate the first variable quantity, namely calculate the variable quantity of material level of lime kiln described in the production cycle described in each and value, using described and value the first variable quantity as described material level of lime kiln after the material loading of described limekiln.
Material loading N time in unit interval inherent limekiln, calculate material loading N time in theory, the variable quantity H1 of material level of lime kiln, H1 adopt following formula to calculate:
In formula (5), i=0,1,2,3 ... N.
Step S103: calculate the second variable quantity, namely in the described unit interval, when described limekiln not material loading, according to described in get limekiln described in grey rate calculations and get the second variable quantity of material level of lime kiln after ash;
As shown in Figure 5, the second variable quantity calculating material level of lime kiln comprises:
Step S501: obtain the first product, in the described unit interval, when described limekiln not material loading, get first product of grey speed and described unit interval described in calculating;
What in the database preset, obtain limekiln gets grey speed V, and in unit interval T, the variable quantity in limekiln is H2, then the computing formula of H2 is:
H2=V*T ... formula (6)
Step S502: obtain the second variable quantity, gets the second variable quantity of the rear described material level of lime kiln of ash as described limekiln using described first product.
Using the first product H2 of obtaining in formula (6) the second variable quantity as material level of lime kiln.
Step S104: calculate material level of lime kiln, namely obtains material level of lime kiln according to described initial material level of lime kiln, described first variable quantity and described second variable quantity.
In the database preset, obtain initial material level of lime kiln, adopt following formulae discovery according to the second variable quantity calculating material level of lime kiln H3, the H3 obtaining obtaining in the first variable quantity and formula (6) in formula (5):
H3=H+H1-H2 ... formula (7)
The H3 obtained in formula (7) is got the value of material level of lime kiln after ash as material loading in the unit interval.
The present invention gives a kind of measuring method of material level of lime kiln, utilize the method to simulate limekiln material loading and get the process of ash, and the first variable quantity of material level of lime kiln after the material loading of analog computation limekiln, and simulation is after limekiln gets ash, second variable quantity of material level of lime kiln, initial material level of lime kiln and the first variable quantity and the second variable quantity is utilized to carry out calculating the final quantity of the material level of lime kiln that can obtain in the unit interval, the method is simple, and material level of lime kiln can be provided accurately, so that workman can according to material level of lime kiln, limekiln is further managed, thus improve the level of control in limekiln, further for the production in limekiln provides strong support.
As shown in Figure 6, be the process flow diagram of the second embodiment of the present invention, the method that the present invention obtains material level of lime kiln comprises:
Step S601: obtain desired parameters, namely obtain initial material level of lime kiln, get grey speed, add the quality of the lime stone in limekiln and the quality of coke in each production cycle in the unit interval;
Step S602: calculate the first variable quantity, namely in the described unit interval, when ash is not got in described limekiln, according to the quality of the described lime stone in described limekiln and the quality of described coke, the first variable quantity of material level of lime kiln after the material loading of calculating limekiln;
Step S603: calculate the second variable quantity, namely in the described unit interval, when described limekiln not material loading, according to described in get limekiln described in grey rate calculations and get the second variable quantity of material level of lime kiln after ash;
Below step 603 is described in detail, as shown in Figure 7, comprises:
Step S701: obtain correction factor, namely in the described unit interval, when described limekiln not material loading, obtain the correction factor Val of described material level of lime kiln;
Step S702: calculate the second product, gets second product of grey speed, described unit interval and described correction factor three described in namely calculating; Namely formula H2=Val* Δ t*V is utilized to calculate the second product;
Step S703: obtain the second variable quantity, gets the second variable quantity of the rear described material level of lime kiln of ash as described limekiln by described second product.
The computation process of correction factor is:
In the described unit interval, when described limekiln not material loading, make described correction factor value be 1, calculate the theoretical variable quantity of described material level of lime kiln; Obtain the actual change amount through the described material level of lime kiln of manual measurement; By the theoretical variable quantity of the actual change amount of described material level of lime kiln divided by described material level of lime kiln, and obtain quotient; Using the correction factor of described quotient as described material level of lime kiln.
That is: in described formula H2=Val* Δ t*V, make Val=1, use described formula H2=Val* Δ t*V to calculate the second variable quantity H of described material level of lime kiln
a, in the database preset, obtain the second variable quantity H of the described material level of lime kiln through artificial actual measurement
b, adopt formula
calculate described correction factor Val.
Step S604: calculate material level of lime kiln, namely obtains material level of lime kiln according to described initial material level of lime kiln, described first variable quantity and described second variable quantity.
Calculate material level of lime kiln and have two kinds of situations:
The first situation: utilize the first variable quantity to deduct the second variable quantity, obtain described difference;
Using described initial material level of lime kiln and described difference be worth as material level of lime kiln.
The second situation:
Utilize the second variable quantity to deduct the first variable quantity, obtain described difference;
Using the difference of described initial material level of lime kiln and described difference as material level of lime kiln.
The present invention gives a kind of measuring method of material level of lime kiln, utilize the method to simulate limekiln material loading and get the process of ash, and the first variable quantity of material level of lime kiln after the material loading of analog computation limekiln, and simulation is after limekiln gets ash, second variable quantity of material level of lime kiln, correction factor is added in the present embodiment, make in this method, to obtain material level of lime kiln more accurate, initial material level of lime kiln and the first variable quantity and the second variable quantity is utilized to carry out calculating the final quantity of the material level of lime kiln that can obtain in the unit interval, the method is simple, and material level of lime kiln can be provided accurately, so that workman can according to material level of lime kiln, limekiln is further managed, thus improve the level of control in limekiln, further for the production in limekiln provides strong support.
As shown in Figure 8, the present invention also provides a kind of device obtaining material level of lime kiln, comprising:
First acquiring unit 800, for obtaining initial material level of lime kiln, getting grey speed, adding the quality of the lime stone in limekiln and the quality of coke in each production cycle in the unit interval;
First computing unit 900, in the described unit interval, when ash is not got in described limekiln, according to the quality of the described lime stone in described limekiln and the quality of described coke, the first variable quantity of material level of lime kiln after the material loading of calculating limekiln;
Second computing unit 1000, in the described unit interval, when described limekiln not material loading, according to described in get limekiln described in grey rate calculations and get the second variable quantity of material level of lime kiln after ash;
Second acquisition unit 1100, for obtaining material level of lime kiln according to described initial material level of lime kiln, described first variable quantity and described second variable quantity.
Further, as shown in Figure 9, described first computing unit 900 comprises:
Quality calculation unit 901, in the described unit interval, when ash is not got in described limekiln, in production cycle described in each, calculate the quality of lime stone described in each and coke quality described in each and value, and using the described and value quality as potpourri in the production cycle described in each;
Obtain Density Units 902, for the proportionate relationship of the quality of the quality according to lime stone described in each and coke described in each, obtain the density of potpourri described in each;
Obtain volume element 903, for the density of the quality according to potpourri described in each and potpourri described in each, obtain the volume of potpourri described in each;
Obtaining radius unit 904, for obtaining the class radius parameter that directly or indirectly can obtain described limekiln radius, and utilizing described class radius parameter to obtain the radius in described limekiln;
Floorage computing unit 905, for utilizing the floorage in described radius calculation limekiln;
3rd acquiring unit 906, utilizes the floorage in the volume of potpourri described in each and described limekiln, obtains the variable quantity of material level of lime kiln described in the production cycle described in each;
3rd computing unit 907, for calculate the variable quantity of material level of lime kiln described in the production cycle described in each and value, using described and value the first variable quantity as described material level of lime kiln after the material loading of described limekiln.
As shown in Figure 10, described second computing unit 1000 comprises:
First calculates product unit 1001, for in the described unit interval, when described limekiln not material loading, get first product of grey speed and described unit interval described in calculating, and the second variable quantity of described material level of lime kiln described first product is got ash as described limekiln after.
As shown in figure 11, described second computing unit 1000 comprises:
Obtain correction factor unit 1011, in the described unit interval, when described limekiln not material loading, obtain the correction factor of described material level of lime kiln;
Second calculates product unit 1012, for getting second product of grey speed, described unit interval and described correction factor three described in calculating, described second product is got the second variable quantity of described material level of lime kiln after ash as described limekiln.
As shown in figure 12, this device also comprises: the 3rd acquiring unit 1200, within the unit interval, gathers in each production cycle to add and adds the quality of the lime stone in limekiln and the quality of coke in limekiln; The quality of coke described in the quality of lime stone described in each and each is stored in default database; Obtain in the database preset described initial material level of lime kiln, described in get grey speed, the quality of the quality of lime stone described in each and coke described in each.
If the function described in the present embodiment method using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computing equipment read/write memory medium.Based on such understanding, the part of the part that the embodiment of the present invention contributes to prior art or this technical scheme can embody with the form of software product, this software product is stored in a storage medium, comprising some instructions in order to make a computing equipment (can be personal computer, server, mobile computing device or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, between each embodiment same or similar part mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. obtain a method for material level of lime kiln, it is characterized in that, comprising:
Obtain initial material level of lime kiln, get grey speed, in the unit interval, in each production cycle, add the quality of the lime stone in limekiln and the quality of coke;
In the described unit interval, when ash is not got in described limekiln, according to the quality of the described lime stone in described limekiln and the quality of described coke, the first variable quantity of material level of lime kiln after the material loading of calculating limekiln;
In the described unit interval, when described limekiln not material loading, according to described in get limekiln described in grey rate calculations and get the second variable quantity of material level of lime kiln after ash;
Material level of lime kiln is obtained according to described initial material level of lime kiln, described first variable quantity and described second variable quantity;
Wherein, in the described unit interval, when ash is not got in described limekiln, according to the first variable quantity of material level of lime kiln after the quality of the described lime stone in described limekiln and the Mass Calculation limekiln material loading of described coke, comprising:
In the described unit interval, when ash is not got in described limekiln, in production cycle described in each, using the quality of lime stone described in each and coke quality described in each with the quality be worth as potpourri in the production cycle described in each;
According to the proportionate relationship of the quality of the quality of lime stone described in each and coke described in each, obtain the density of potpourri described in each;
According to the density of the quality of potpourri described in each and potpourri described in each, obtain the volume of potpourri described in each;
Acquisition directly or indirectly can obtain the class radius parameter of described limekiln radius, and utilizes described class radius parameter to obtain the radius in described limekiln;
Utilize the floorage in described radius calculation limekiln;
Utilize the floorage in the volume of potpourri described in each and described limekiln, obtain the variable quantity of material level of lime kiln described in the production cycle described in each;
Calculate the variable quantity of material level of lime kiln described in the production cycle described in each and value, using described and value the first variable quantity as described material level of lime kiln after the material loading of described limekiln;
Wherein, in the described unit interval, when described limekiln not material loading, according to described in get limekiln described in grey rate calculations and get the second variable quantity of material level of lime kiln after ash, comprising:
In the described unit interval, when described limekiln not material loading, get first product of grey speed and described unit interval described in calculating;
Described first product is got the second variable quantity of the rear described material level of lime kiln of ash as described limekiln;
Or,
In the described unit interval, when described limekiln not material loading, obtain the correction factor of described material level of lime kiln;
Second product of grey speed, described unit interval and described correction factor three is got described in calculating;
Described second product is got the second variable quantity of the rear described material level of lime kiln of ash as described limekiln;
Wherein, the correction factor of the described material level of lime kiln of described acquisition, comprising:
In the described unit interval, when described limekiln not material loading, make described correction factor value be 1, calculate the theoretical variable quantity of described material level of lime kiln;
Obtain the actual change amount through the described material level of lime kiln of manual measurement;
By the theoretical variable quantity of the actual change amount of described material level of lime kiln divided by described material level of lime kiln, and obtain quotient;
Using the correction factor of described quotient as described material level of lime kiln.
2. the method for claim 1, is characterized in that, the initial material level of lime kiln of described acquisition, gets in grey speed, unit interval and adds the quality of the lime stone in limekiln and the quality of coke in each production cycle, comprising:
Within the unit interval, gather in each production cycle to add and add the quality of the lime stone in limekiln and the quality of coke in limekiln;
The quality of coke described in the quality of lime stone described in each and each is stored in default database;
Obtain in the database preset described initial material level of lime kiln, described in get grey speed, the quality of the quality of lime stone described in each and coke described in each.
3. obtain a device for material level of lime kiln, it is characterized in that, comprising:
First acquiring unit, for obtaining initial material level of lime kiln, getting grey speed, adding the quality of the lime stone in limekiln and the quality of coke in each production cycle in the unit interval;
First computing unit, in the described unit interval, when ash is not got in described limekiln, according to the quality of the described lime stone in described limekiln and the quality of described coke, the first variable quantity of material level of lime kiln after the material loading of calculating limekiln;
Second computing unit, in the described unit interval, when described limekiln not material loading, according to described in get limekiln described in grey rate calculations and get the second variable quantity of material level of lime kiln after ash;
Second acquisition unit, for obtaining material level of lime kiln according to described initial material level of lime kiln, described first variable quantity and described second variable quantity;
Wherein, described first computing unit comprises:
Quality calculation unit, in the described unit interval, when ash is not got in described limekiln, in production cycle described in each, calculate the quality of lime stone described in each and coke quality described in each and value, and using the described and value quality as potpourri in the production cycle described in each;
Obtain Density Units, for the proportionate relationship of the quality of the quality according to lime stone described in each and coke described in each, obtain the density of potpourri described in each;
Obtain volume element, for the density of the quality according to potpourri described in each and potpourri described in each, obtain the volume of potpourri described in each;
Obtaining radius unit, for obtaining the class radius parameter that directly or indirectly can obtain described limekiln radius, and utilizing described class radius parameter to obtain the radius in described limekiln;
Floorage computing unit, for utilizing the floorage in described radius calculation limekiln;
3rd acquiring unit, utilizes the floorage in the volume of potpourri described in each and described limekiln, obtains the variable quantity of material level of lime kiln described in the production cycle described in each;
3rd computing unit, for calculate the variable quantity of material level of lime kiln described in the production cycle described in each and value, using described and value the first variable quantity as described material level of lime kiln after the material loading of described limekiln;
Wherein, described second computing unit comprises:
First calculates product unit, for in the described unit interval, when described limekiln not material loading, get first product of grey speed and described unit interval described in calculating, and the second variable quantity of described material level of lime kiln described first product is got ash as described limekiln after;
Or,
Described second computing unit comprises:
Obtain correction factor unit, in the described unit interval, when described limekiln not material loading, obtain the correction factor of described material level of lime kiln;
Second calculates product unit, for getting second product of grey speed, described unit interval and described correction factor three described in calculating, described second product is got the second variable quantity of described material level of lime kiln after ash as described limekiln.
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| CN201130047Y (en) * | 2007-11-30 | 2008-10-08 | 李汶柱 | Display of material position of storehouse body and alarm |
| CN101441445A (en) * | 2008-09-18 | 2009-05-27 | 中冶长天国际工程有限责任公司 | Sintering material balance method and system |
| CN201561783U (en) * | 2009-12-16 | 2010-08-25 | 贵阳铝镁设计研究院 | Material level measuring device in vanadium slag tank |
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| WO1998025109A2 (en) * | 1996-11-22 | 1998-06-11 | Berwind Corporation | Material level sensing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130047Y (en) * | 2007-11-30 | 2008-10-08 | 李汶柱 | Display of material position of storehouse body and alarm |
| CN101441445A (en) * | 2008-09-18 | 2009-05-27 | 中冶长天国际工程有限责任公司 | Sintering material balance method and system |
| CN201561783U (en) * | 2009-12-16 | 2010-08-25 | 贵阳铝镁设计研究院 | Material level measuring device in vanadium slag tank |
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