CN108300852A - A kind of pelletizing mixture moisture control device and method - Google Patents
A kind of pelletizing mixture moisture control device and method Download PDFInfo
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- CN108300852A CN108300852A CN201810161852.7A CN201810161852A CN108300852A CN 108300852 A CN108300852 A CN 108300852A CN 201810161852 A CN201810161852 A CN 201810161852A CN 108300852 A CN108300852 A CN 108300852A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
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Abstract
The invention discloses a kind of pelletizing mixture moisture control device and methods, are related to iron and steel smelting technology field, and described device includes：Mixing machine；First belt feeder, first belt feeder are arranged in one end of the mixing machine；The other end in the mixing machine is arranged in second belt feeder, second belt feeder, wherein second belt feeder is different from first belt feeder；Watering pipe, the watering pipe are connect with first belt feeder；Regulating valve, the regulating valve are arranged on the watering pipe；Flowmeter, the flowmeter are arranged on the watering pipe, and the flowmeter is located above the regulating valve.It is big to solve pelletizing mixture moisture fluctuation in the prior art by above-mentioned apparatus, it is difficult to control moisture stabilization in target zone, the technical issues of being unfavorable for the stable operation of pelletizing workshop section, reach and has controlled moisture stabilization in target zone, meet follow-up pelletizing workshop section to require, and then improves the technique effect of the stability of pellet yield and quality.
Description
Technical field
The present invention relates to iron and steel smelting technology field, more particularly to a kind of pelletizing mixture moisture control device and method.
Background technology
In pellet production process, pelletizing workshop section is the important workshop section for influencing pellet yield and quality.Into pelletizing
The moisture of the raw material of workshop section has great influence to the production efficiency and effect of pelletizing workshop section.In general, it is desirable that enter the work
The raw material moisture of section can stablize the level slightly below 8.5%, recycle stationary nozzle sprinkling suitable in balling process
Water, to complete the process of powder raw material pelletizing.But in the actual production process, by raw material natural moisture difference, stockpiling time, drop
The factors such as rain influence, and putting into the raw material moisture of pellet production line, there are prodigious fluctuations, and often occur into factory's raw material moisture
The case where being required higher than pelletizing operation.
But present inventor has found the above-mentioned prior art extremely during technical solution in realizing the embodiment of the present application
It has the following technical problems less：
In the prior art, the raw material drying process of use is for solving the problems, such as that raw material moisture fluctuates big low effort, and
And it is difficult to the desirable level by raw material moisture stability contorting slightly below 8.5%, it is unfavorable for the stable operation of pelletizing workshop section.
Invention content
The present invention provides a kind of pelletizing mixture moisture control device and methods, mixed to solve pelletizing in the prior art
It is big to close material moisture fluctuation, it is difficult to by pelletizing mixture moisture stability contorting in target zone, be unfavorable for the stable operation of pelletizing workshop section
The technical issues of, reach pelletizing mixture moisture stability contorting in target zone, has met follow-up pelletizing workshop section and require, in turn
Improve the technique effect of the stability of pellet yield and quality.
The present invention provides a kind of pelletizing mixture moisture control device, described device includes：Mixing machine；First belt
Machine, first belt feeder are arranged in one end of the mixing machine；Second belt feeder, the second belt feeder setting is described mixed
The other end of conjunction machine, wherein second belt feeder is different from first belt feeder；Watering pipe, the watering pipe with it is described
First belt feeder connects；Regulating valve, the regulating valve are arranged on the watering pipe；Flowmeter, the flowmeter are arranged in institute
It states on watering pipe, the flowmeter is located above the regulating valve, and the flowmeter has the first distance with the regulating valve.
Preferably, described device further includes：Moisture analyser, the moisture analyser are arranged on second belt feeder
Side, the moisture analyser monitor moisture in real time；Wherein, the moisture analyser and second belt feeder have second away from
From, and first distance is different from the second distance.
Preferably, described device further includes：The adjustable range of the regulating valve is 0-100%, degree of regulation 1%.
Preferably, described device further includes：The measures range of the flowmeter is 0-54m3/ h, precision 0.5m3/h。
Preferably, described device further includes：The detection range of the moisture analyser is 0-15%, precision 0.01%.
On the other hand, the present invention provides a kind of pelletizing mixture moisture control method, the method includes：Obtain first
Moisture value, first moisture value are monitored by the moisture analyser；Obtain the second moisture value, the first feed value, first plus
Water number, and second moisture value, the first feed value, described first plus water number are a predetermined value；According to the first moisture value
Deviation levels are set with the second moisture value, wherein the deviation levels include the first deviation levels, the second deviation levels, third
Deviation levels；It is set according to control valve opening value and adjusts grade, wherein the adjusting grade includes the first adjusting grade, second
Adjust grade, third adjusts grade；The first moisture value and the second moisture value are set according to the first moisture value and the second moisture value
The compares cycle time；Compare the first moisture value and the second moisture value, judgment bias grade according to the compares cycle time；According to deviation
Grade adjusts the adjusting grade of regulating valve.
Preferably, the method further includes：Judgment bias grade is greater than or equal to the first deviation levels, and described deviation etc.
When grade is less than the second deviation levels, the adjusting grade for adjusting regulating valve is the first adjusting grade；Judgment bias grade is more than or waits
In the second deviation levels, and when the deviation levels are less than third deviation levels, the adjusting grade that adjusts regulating valve is second to adjust
Save grade；When judgment bias grade is greater than or equal to third deviation levels, the adjusting grade for adjusting regulating valve is third adjusting etc.
Grade；When judgment bias grade is less than the first estate, without adjusting the adjusting grade of regulating valve.
Preferably, the method further includes：When judging that the mixing machine shuts down or is less than the first feed value, the regulating valve
It closes.
Preferably, the method further includes：When judging that the amount of water reaches first plus water number, adjusting of no longer transfiniting.
Preferably, the method further includes：Display unit, the display unit show acquisition value, and the display unit
Set predetermined value.
Said one in the embodiment of the present invention or multiple technical solutions at least have following one or more technology effects
Fruit：
1, in a kind of pelletizing mixture moisture control device provided in an embodiment of the present invention, described device includes：Mixing machine；
First belt feeder, first belt feeder are arranged in one end of the mixing machine；Second belt feeder, the second belt feeder setting
In the other end of the mixing machine, wherein second belt feeder is different from first belt feeder；Watering pipe, it is described to fetch water
Pipe is connect with first belt feeder；Regulating valve, the regulating valve are arranged on the watering pipe；Flowmeter, the flowmeter
It is arranged on the watering pipe, the flowmeter is located above the regulating valve, and the flowmeter has with the regulating valve
First distance.It is big to solve pelletizing mixture moisture fluctuation in the prior art by above-mentioned apparatus, it is difficult to by pelletizing mixture water
Point stability contorting is in desirable level, the technical issues of being unfavorable for the stable operation of pelletizing workshop section, has reached pelletizing mixture moisture
Stability contorting meets follow-up pelletizing workshop section and requires, and then improves the technique effect of the stability of pellet yield and quality.
2, the embodiment of the present invention is arranged by moisture analyser, the moisture analyser above second belt feeder,
The moisture analyser monitors moisture in real time；Wherein, the moisture analyser has second distance with second belt feeder,
And first distance is different from the second distance.Reach and mixed pelletizing mixture moisture monitored in real time,
Can it is convenient and efficient obtain pelletizing mixture moisture data technique effect.
3, in a kind of pelletizing mixture moisture control method provided in an embodiment of the present invention, the method includes：Obtain the
One moisture value, first moisture value are monitored by the moisture analyser；Obtain the second moisture value, the first feed value, first
Add water number, and second moisture value, the first feed value, described first plus water number are a predetermined value；According to the first moisture
Value sets deviation levels with the second moisture value, wherein the deviation levels include the first deviation levels, the second deviation levels, the
Three deviation levels；It is set according to control valve opening value and adjusts grade, wherein the adjustings grade includes the first adjusting grade, the
Two adjust grade, third adjusts grade；The first moisture value and the second moisture value are set according to the first moisture value and the second moisture value
The compares cycle time；Compare the first moisture value and the second moisture value, judgment bias grade according to the compares cycle time；According to inclined
Poor grade adjusts the adjusting grade of regulating valve.Solved by the above method be difficult in the prior art pelletizing mixture moisture is steady
The technical issues of controlling calmly in target zone, being unfavorable for the stable operation of pelletizing workshop section, has reached pelletizing mixture water effectively
Sub-control system significantly reduces mixture moisture fluctuation in target zone, meets follow-up pelletizing production requirement to greatest extent, in turn
Improve the technique effect of the stability of pellet yield and quality.
4, when the embodiment of the present invention shuts down by judging the mixing machine or is less than the first feed value, the regulating valve is closed
It closes.It solves the technical issues of zero load is fetched water, has reached and zero load is avoided to fetch water, the technique effect of safeguard protection.
5, when the embodiment of the present invention is by judging that the amount of water reaches first plus water number, adjusting of no longer transfiniting.Reach
The technique effect of safeguard protection is carried out to amount of water.
6, the embodiment of the present invention is by display unit, and the display unit shows acquisition value, and the display unit is set
Predetermined value.The technique effect that convenience sets parameter, adjusts and monitors in real time is reached.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, below the special specific implementation mode for lifting the present invention.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of pelletizing mixture moisture control device in the embodiment of the present invention；
Fig. 2 is a kind of flow diagram of pelletizing mixture moisture control method in the embodiment of the present invention；
Fig. 3 is a kind of control logic schematic diagram of pelletizing mixture moisture control method in the embodiment of the present invention.
Specific implementation mode
An embodiment of the present invention provides a kind of pelletizing mixture moisture control device and methods, to solve in the prior art
The fluctuation of pelletizing mixture moisture is big, it is difficult to by pelletizing mixture moisture stability contorting in target zone, it is steady to be unfavorable for pelletizing workshop section
Surely the technical issues of running.
Technical solution in the embodiment of the present invention, overall structure are as follows：
The present invention provides a kind of pelletizing mixture moisture control device, described device includes：Mixing machine；First belt
Machine, first belt feeder are arranged in one end of the mixing machine；Second belt feeder, the second belt feeder setting is described mixed
The other end of conjunction machine, wherein second belt feeder is different from first belt feeder；Watering pipe, the watering pipe with it is described
First belt feeder connects；Regulating valve, the regulating valve are arranged on the watering pipe；Flowmeter, the flowmeter are arranged in institute
It states on watering pipe, the flowmeter is located above the regulating valve, and the flowmeter has the first distance with the regulating valve.
Reached pelletizing mixture moisture stability contorting in a certain desirable level by above-mentioned apparatus, meet follow-up pelletizing workshop section and require,
And then improve the technique effect of the stability of pellet yield and quality.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
An embodiment of the present invention provides a kind of pelletizing mixture moisture control devices, referring to FIG. 1, described device includes：
Mixing machine 2.
Specifically, the mixing machine 2 is to prepare one of important equipment of pellet, the shape of the mixing machine 2 is one
Hollow cylinder structure, and the mixing machine 2 includes a feed end and a discharge end, inside can accommodate the original of pelletizing mixture
Material, that is, be sent into various materials in the mixing machine 2 by feed end with uniform mixture is synthesized, and then by a series of
The pelletizing mixture that technique allows discharge end to send out reaches production requirement.
First belt feeder 1, first belt feeder 1 are arranged in one end of the mixing machine 2；Second belt feeder 3, described
The other end in the mixing machine 2 is arranged in two belt feeders 3, wherein second belt feeder 3 is different from first belt feeder 1.
Specifically, first belt feeder 1 is arranged in one end of the mixing machine 2, that is, first belt feeder 1 is set
The feed end in the mixing machine 2 is set, therefore, pelletizing mixture can be entered by first belt feeder in the mixing machine 2；
The other end in the mixing machine 2 is arranged in second belt feeder 3, that is, second belt feeder 3 is arranged in the mixing machine 2
Discharge end, pelletizing mixture can be sent out by second belt feeder 3, and second belt feeder 3 and first skin
The both sides of the mixing machine 2 are separately positioned on machine 1, therefore, the installation of second belt feeder 3 and first belt feeder 1
Position and the two are played the role of being different.
Watering pipe 5, the watering pipe 5 are connect with first belt feeder 1.
Specifically, the watering pipe 5 is connect with first belt feeder 1, that is, the setting of the watering pipe 5 is described mixed
The feed end of conjunction machine 2, and the watering pipe 5 and the mixing machine 2 are perpendicular, can be fetched water by the watering pipe 5, it is right
Moisture is finely adjusted, and the regulating valve 6 and the flowmeter 7 are further provided on the watering pipe 5, can reach air exercise
The technique effect with monitoring is adjusted in water.
Regulating valve 6, the regulating valve 6 are arranged on the watering pipe 5；The adjustable range of the regulating valve 6 is 0-
100%, degree of regulation 1%.
Specifically, the side in the watering pipe 5 on the lower is arranged in the regulating valve 6, that is, the setting of the regulating valve 6 exists
Between the Single port of the watering pipe 5 and the flowmeter 7, and the regulating valve 6 is an electric control valve, using motorized adjustment
Valve can achieve the effect that it is energy saving, be quickly and expediently installed and environmental protection, adjustable range 0-100%, degree of regulation 1%.
The amount of fetching water of the watering pipe 5 can be adjusted in aperture by adjusting the regulating valve 6.
Flowmeter 7, the flowmeter 7 are arranged on the watering pipe 5, and the flowmeter 7 is located in the regulating valve 6
Side, and the flowmeter 7 has the first distance with the regulating valve 6；The measures range of the flowmeter 7 is 0-54m3/ h, essence
Degree is 0.5m3/h。
Specifically, the flowmeter 7 is arranged above the regulating valve 6, that is, the setting of the flowmeter 7 is beaten described
On water pipe 5, and the flowmeter 7 and the setting separated by a distance on the watering pipe 5 of the regulating valve 6, the flowmeter 7
For an electromagnetic flowmeter, measures range 0-54m3/ h, precision 0.5m3/ h can be fetched water by the flowmeter 7 to described
The amount of fetching water of pipe 5 is measured, and therefore, by the flowmeter 7 and 6 collective effect of the regulating valve, can reach to watering pipe
The amount of fetching water carry out in real time monitor with adjust technique effect.
Further, described device further includes moisture analyser 4, and the moisture analyser 4 is arranged in second belt
3 top of machine, the moisture analyser 4 monitor moisture in real time；Wherein, the moisture analyser 4 has with second belt feeder 3
There is second distance, and first distance is different from the second distance.
Specifically, the moisture analyser 4 is vertically set on second belt feeder, 3 top, that is, the water analysis
Instrument 4 is arranged in the discharge end side of the mixing machine 2, and the moisture analyser 4 and second belt feeder 3 have second away from
From, that is to say, that the moisture analyser 4 is vertically mounted on above second belt feeder, and the moisture analyser 4 is one
Infrared moisture analyzer, detection range 0-15%, precision 0.01%, can be to mixing by the moisture analyser 4 after
Pelletizing mixture moisture monitored in real time, can it is convenient and efficient obtain pelletizing mixture moisture data.
In embodiments of the present invention, pelletizing mixture moisture stability contorting can be met and subsequently be made by above-mentioned apparatus
Ball workshop section requires, and then improves the technique effect of the stability of pellet yield and quality.
Embodiment two
An embodiment of the present invention provides a kind of pelletizing mixture moisture control methods, referring to FIG. 2, the method includes：
Step 110：The first moisture value is obtained, first moisture value is monitored by the moisture analyser 4.
Specifically, it is directed to the pelletizing mixture moisture control device, and then working out a set of automatic control program can be right
It is carried out automatically controlling, and the automatic control program can read the inlet amount of the mixing machine 2, the infrared moisture in real time
The detected value of analyzer 4, the electric control valve 6 opening value and the electromagnetic flowmeter 7 flow value, and can control
The aperture of the electric control valve 6.Therefore, the moisture of the pelletizing mixture is carried out by the moisture analyser 4 first
It reads in real time, as the first moisture value, while also can further read the inlet amount of the mixing machine 2, the electric adjustable in real time
Save the flow value of 6 opening value of valve, the electromagnetic flowmeter 7.
Step 120：Obtain the second moisture value, the first feed value, first plus water number, and second moisture value, described the
One feed value, described first plus water number are a predetermined value.
Specifically, after reading the moisture value of the moisture analyser 4 in real time, this can be manually set according to actual needs
Parameter, i.e., manually the second moisture value of setting, the value can be used as the mixture target moisture value in control program, and described the
One feed value is similarly a magnitude of artificial settings with described first plus water number.
Step 130：Deviation levels are set according to the first moisture value and the second moisture value, wherein the deviation levels include
First deviation levels, the second deviation levels, third deviation levels.
Specifically, after obtaining the first moisture value and the second moisture value, and then can be according to the first moisture value and second
Moisture value sets deviation levels, that is, according to the target of mixture moisture value and artificial settings that the moisture analyser 4 detects
Deviation levels parameter is arranged in moisture value, and the deviation levels are inclined including the first deviation levels E1, the second deviation levels E2, third
Poor grade E3, therefore, the deviation levels are similarly artificial preset value, and the occurrence of each grade can be manually set.
Step 140：It is set according to control valve opening value and adjusts grade, wherein the adjusting grade includes first adjusting etc.
Grade, second adjust grade, third adjusting grade；
Specifically, adjusting grade can manually be set according to the opening value of the regulating valve 6, and the adjusting grade includes
First, which adjusts grade W1, the second adjusting grade W2, third, adjusts grade W3, and therefore, the adjusting grade is similarly artificial default
Value, the occurrence of each grade can be manually set.
Step 150：The comparison for setting the first moisture value and the second moisture value with the second moisture value according to the first moisture value is all
Time phase.
Specifically, after obtaining the first moisture value and the second moisture value, pass through the first moisture value and the second moisture value
The automatic compares cycle time of both artificial settings, that is, be exactly that the automatic control program can be periodically more mixed
The deviation of mixture moisture and Target moisture, that is to say, that the program will be periodically to the first moisture value and the second moisture
Value is compared, and therefore, can manually be preset according to actual needs the automatic compares cycle time.
Step 160：Compare the first moisture value and the second moisture value, judgment bias grade according to the compares cycle time.
Specifically, after manually presetting the compares cycle time of the first moisture value and the second moisture value, program will start
Operation, will further be compared first moisture value with the second moisture value according to the compares cycle time, i.e., automatically all
The mixture moisture value of phase property detected to the moisture analyser 4 is compared with target moisture value, by comparing result
Carry out judgment bias grade.
Step 170：The adjusting grade of regulating valve is adjusted according to deviation levels.
Further, the method further includes：Judgment bias grade is greater than or equal to the first deviation levels, and the deviation
When grade is less than the second deviation levels, the adjusting grade for adjusting regulating valve is the first adjusting grade；Judgment bias grade be more than or
Equal to the second deviation levels, and when the deviation levels are less than third deviation levels, the adjusting grade for adjusting regulating valve is second
Adjust grade；When judgment bias grade is greater than or equal to third deviation levels, adjusts the adjusting grade of regulating valve and adjusted for third
Grade；When judgment bias grade is less than the first estate, without adjusting the adjusting grade of regulating valve.
Specifically, according to the period comparison result of the first moisture value and the second moisture value, the deviation levels of the two are judged,
And then the adjusting grade for regulating valve being automatically adjusted according to deviation levels.Specifically decision logic is：When the deviation etc. judged
Grade be greater than or equal to the first deviation levels E1, and the deviation levels be less than the second deviation levels E2 when, that is, E1≤deviation levels
＜ E2, the adjusting grade for adjusting the regulating valve 6 at this time are the first adjusting grade W1；When the deviation levels judged are more than or wait
In the second deviation levels E2, and when the deviation levels are less than third deviation levels E3, that is, E2≤deviation levels ＜ E3, at this time
The adjusting grade for adjusting the regulating valve 6 is the second adjusting grade W2；When the deviation levels judged are inclined more than or equal to third
When poor grade E3, that is, deviation levels >=E3, the adjusting grade for adjusting the regulating valve 6 at this time are that third adjusts grade W3；When sentencing
When disconnected deviation levels are less than the first estate E1, that is, deviation levels<E1 is not necessarily to adjust the adjusting grade of the regulating valve 6 at this time.
And the deterministic process would be repeated for, and the automatic adjustment of the pelletizing mixture amount of fetching water can be realized by the above method.
In embodiments of the present invention, effectively pelletizing mixture moisture can be controlled in target zone by the above method,
And significantly reduce mixture moisture fluctuation, meet follow-up pelletizing production requirement to greatest extent, so improve pellet yield and
The technique effect of the stability of quality.
Further, the method further includes：When judging that the mixing machine shuts down or is less than the first feed value, the adjusting
Valve is closed.
Specifically, when judging that the mixing machine 2 is shut down or feeding coal is less than the first feed value, program automatically will
The electric control valve 6 is closed, and is solved the technical issues of zero load is fetched water, has been reached and zero load is avoided to fetch water, the skill of safeguard protection
Art effect.
Further, the method further includes：When judging that the amount of water reaches first plus water number, adjusting of no longer transfiniting.
Specifically, when judging that the amount of water reaches first plus water number, that is, when amount of water reaches the limit value
When, it is no longer adjusted at this time into line overrun, to reach amount of water protection, and then protects pelletizing mixture moisture control device
Technique effect.
Further, the method further includes：Display unit, the display unit shows acquisition value, and the display is single
Member setting predetermined value.
Specifically, can show the parameters such as mixture moisture, the amount of fetching water by the display unit, while can also lead to
It crosses the display unit and sets a series of predetermined values, such as the first moisture value, the second moisture value, the first feed value, first on it
Add water number, deviation levels, adjust grade, the parameters such as compares cycle time, by the display unit reached convenience to parameter into
Row setting, adjusting and the technique effect monitored in real time.
Embodiment three
For the clearer elaboration present invention, below to a kind of pelletizing mixture moisture control device and method of the present invention
Application method be described in detail.It is specific as follows：
A piece watering pipe 5 is installed for fetching water in the feed end of the mixing machine 2, is configured on the watering pipe 5
A set of regulating valve 6 and the flowmeter 7 are used for the adjusting and monitoring for the amount of fetching water, the second of 2 discharge end of the mixing machine
3 top of belt feeder configures a set of moisture analyser 4 for being monitored in real time to mixed raw material moisture.Based on the above dress
It sets, using a set of automatic control program, control is carried out in pelletizing mixture mixed process plus water, by comparing the moisture point
The gap for mixture the first moisture value and the second moisture value that analyzer 4 detects in real time, i.e., exactly mixture detects in real time
The gap of moisture value and the moisture value manually set automatically adjusts the aperture of the regulating valve 6 to adjust the amount of fetching water, is mixed with realizing
Close the stability contorting of material moisture.
Further, implement as follows by program referring to FIG. 3, automatically controlling：
First, before automatic control program puts into operation for the first time, program related parameters are preset, specifically, by ball
Group's the second moisture value of mixture, that is, moisture target value are preset as 8.3%, by the deviation of the first moisture value and the second moisture value
The first deviation levels E1, the second deviation levels E2, third deviation levels E3 in grade be set to 0.05%, 0.15%,
0.30%；Motorized adjustment valve regulation grade first is adjusted grade W1, the second adjusting grade W2, third to adjust grade W3 and set respectively
It is 0.5%, 1.0%, 1.5%；The moisture compares cycle time of first moisture value and the second moisture value is set as 2min；By first
Water number is added to be set as 15m3/h；First feed value is set as 30t/h；Then, automatic control program input is automatically controlled；Then,
Compared with program will carry out once the first moisture value of mixture with the second moisture value per 2min by the default compares cycle time,
The moisture value that mixture measures in real time is compared with preset moisture value 8.3% exactly, judges moisture deviation.If deviation
Grade<0.05%, program does not adjust；If 0.05%≤deviation levels ＜ 0.15%, program adjusts electric control valve valve position
Amplitude is 0.5%；If 0.15%≤deviation levels ＜ 0.30%, it is 1.0% that program, which adjusts electric control valve valve position amplitude,；Such as
Fruit deviation levels >=0.30%, it is 1.5% that program, which adjusts electric control valve valve position amplitude,；Finally, program is repeated to mixture
Compared with first moisture value carries out once with the second moisture value, determination deviation grade presses different brackets tune automatically according to deviation levels
Section electric control valve position, to reach the technique effect for the adjusting for realizing the different amounts of fetching water.When judge the mixing machine 2 shut down or
When feeding coal is less than 30t/h, program automatically closes the electric control valve 6；When judging that the amount of water reaches 15m3When/h,
It no longer transfinites adjusting.
Said one in the embodiment of the present invention or multiple technical solutions at least have following one or more technology effects
Fruit：
1, in a kind of pelletizing mixture moisture control device provided in an embodiment of the present invention, described device includes：Mixing machine；
First belt feeder, first belt feeder are arranged in one end of the mixing machine；Second belt feeder, the second belt feeder setting
In the other end of the mixing machine, wherein second belt feeder is different from first belt feeder；Watering pipe, it is described to fetch water
Pipe is connect with first belt feeder；Regulating valve, the regulating valve are arranged on the watering pipe；Flowmeter, the flowmeter
It is arranged on the watering pipe, the flowmeter is located above the regulating valve, and the flowmeter has with the regulating valve
First distance.It is big to solve pelletizing mixture moisture fluctuation in the prior art by above-mentioned apparatus, it is difficult to by pelletizing mixture water
Point stability contorting is in desirable level, the technical issues of being unfavorable for the stable operation of pelletizing workshop section, has reached pelletizing mixture moisture
Stability contorting meets follow-up pelletizing workshop section and requires, and then improves the technique effect of the stability of pellet yield and quality.
2, the embodiment of the present invention is arranged by moisture analyser, the moisture analyser above second belt feeder,
The moisture analyser monitors moisture in real time；Wherein, the moisture analyser has second distance with second belt feeder,
And first distance is different from the second distance.Reach and mixed pelletizing mixture moisture monitored in real time,
Can it is convenient and efficient obtain pelletizing mixture moisture data technique effect.
3, in a kind of pelletizing mixture moisture control method provided in an embodiment of the present invention, the method includes：Obtain the
One moisture value, first moisture value are monitored by the moisture analyser；Obtain the second moisture value, the first feed value, first
Add water number, and second moisture value, the first feed value, described first plus water number are a predetermined value；According to the first moisture
Value sets deviation levels with the second moisture value, wherein the deviation levels include the first deviation levels, the second deviation levels, the
Three deviation levels；It is set according to control valve opening value and adjusts grade, wherein the adjustings grade includes the first adjusting grade, the
Two adjust grade, third adjusts grade；The first moisture value and the second moisture value are set according to the first moisture value and the second moisture value
The compares cycle time；Compare the first moisture value and the second moisture value, judgment bias grade according to the compares cycle time；According to inclined
Poor grade adjusts the adjusting grade of regulating valve.Solved by the above method be difficult in the prior art pelletizing mixture moisture is steady
The technical issues of controlling calmly in target zone, being unfavorable for the stable operation of pelletizing workshop section, has reached pelletizing mixture water effectively
Sub-control system significantly reduces mixture moisture fluctuation in target zone, meets follow-up pelletizing production requirement to greatest extent, in turn
Improve the technique effect of the stability of pellet yield and quality.
4, when the embodiment of the present invention shuts down by judging the mixing machine or is less than the first feed value, the regulating valve is closed
It closes.It solves the technical issues of zero load is fetched water, has reached and zero load is avoided to fetch water, the technique effect of safeguard protection.
5, when the embodiment of the present invention is by judging that the amount of water reaches first plus water number, adjusting of no longer transfiniting.Reach
The technique effect of safeguard protection is carried out to amount of water.
6, the embodiment of the present invention is by display unit, and the display unit shows acquisition value, and the display unit is set
Predetermined value.The technique effect that convenience sets parameter, adjusts and monitors in real time is reached.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out the embodiment of the present invention various modification and variations without departing from this hair
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of pelletizing mixture moisture control device, which is characterized in that described device includes：
Mixing machine；
First belt feeder, first belt feeder are arranged in one end of the mixing machine；
The other end in the mixing machine is arranged in second belt feeder, second belt feeder, wherein second belt feeder and institute
State the first belt feeder difference；
Watering pipe, the watering pipe are connect with first belt feeder；
Regulating valve, the regulating valve are arranged on the watering pipe；
Flowmeter, the flowmeter are arranged on the watering pipe, and the flowmeter is located above the regulating valve, and the stream
Gauge has the first distance with the regulating valve.
2. device as described in claim 1, which is characterized in that described device further includes：
Moisture analyser, the moisture analyser are arranged above second belt feeder, and the moisture analyser is to moisture reality
When monitor；
Wherein, the moisture analyser has second distance, and first distance and described second with second belt feeder
Distance is different.
3. device as described in claim 1, which is characterized in that described device further includes：
The adjustable range of the regulating valve is 0-100%, degree of regulation 1%.
4. device as described in claim 1, which is characterized in that described device further includes：
The measures range of the flowmeter is 0-54m3/ h, precision 0.5m3/h。
5. device as described in claim 1, which is characterized in that described device further includes：
The detection range of the moisture analyser is 0-15%, precision 0.01%.
6. a kind of pelletizing mixture moisture control method, which is characterized in that the method includes：
The first moisture value is obtained, first moisture value is monitored by the moisture analyser；
Obtain the second moisture value, the first feed value, first plus water number, and second moisture value, the first feed value, described
First adds water number to be a predetermined value；
Set deviation levels according to the first moisture value and the second moisture value, wherein the deviation levels include the first deviation levels,
Second deviation levels, third deviation levels；
It is set according to control valve opening value and adjusts grade, wherein the adjusting grade includes the first adjusting grade, second adjusting etc.
Grade, third adjust grade；
The compares cycle time of the first moisture value and the second moisture value is set according to the first moisture value and the second moisture value；
Compare the first moisture value and the second moisture value, judgment bias grade according to the compares cycle time；
The adjusting grade of regulating valve is adjusted according to deviation levels.
7. method as claimed in claim 6, which is characterized in that the method further includes：
Judgment bias grade be greater than or equal to the first deviation levels, and the deviation levels be less than the second deviation levels when, adjust
The adjusting grade of regulating valve is the first adjusting grade；
Judgment bias grade be greater than or equal to the second deviation levels, and the deviation levels be less than third deviation levels when, adjust
The adjusting grade of regulating valve is the second adjusting grade；
When judgment bias grade is greater than or equal to third deviation levels, the adjusting grade for adjusting regulating valve is that third adjusts grade；
When judgment bias grade is less than the first estate, without adjusting the adjusting grade of regulating valve.
8. method as claimed in claim 6, which is characterized in that the method further includes：
When judging that the mixing machine shuts down or is less than the first feed value, the regulating valve is closed.
9. method as claimed in claim 6, which is characterized in that the method further includes：
When judging that the amount of water reaches first plus water number, adjusting of no longer transfiniting.
10. method as claimed in claim 6, which is characterized in that the method further includes：
Display unit, the display unit shows acquisition value, and the display unit sets predetermined value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810161852.7A CN108300852B (en) | 2018-02-27 | 2018-02-27 | Device and method for controlling moisture of pellet mixture |
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| CN201810161852.7A CN108300852B (en) | 2018-02-27 | 2018-02-27 | Device and method for controlling moisture of pellet mixture |
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| CN108300852B CN108300852B (en) | 2020-10-09 |
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| CN110079667A (en) * | 2019-04-18 | 2019-08-02 | 首钢京唐钢铁联合有限责任公司 | Material moisture regulating system and method in a kind of pelletizing production |
| CN113485473A (en) * | 2021-07-02 | 2021-10-08 | 重庆科技学院 | Intelligent water control method for sintering mixture |
| CN113507846A (en) * | 2019-03-04 | 2021-10-15 | 特夫斯电子有限责任两合公司 | Method for processing at least two input materials |
| CN113564355A (en) * | 2021-09-02 | 2021-10-29 | 宝武集团环境资源科技有限公司 | Rotary hearth furnace production system capable of controlling water content |
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| CN101866188A (en) * | 2010-05-27 | 2010-10-20 | 重庆大学 | Automatic control system for sintered mixture moisture |
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| CN113507846A (en) * | 2019-03-04 | 2021-10-15 | 特夫斯电子有限责任两合公司 | Method for processing at least two input materials |
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| CN113564355A (en) * | 2021-09-02 | 2021-10-29 | 宝武集团环境资源科技有限公司 | Rotary hearth furnace production system capable of controlling water content |
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|---|---|
| CN108300852B (en) | 2020-10-09 |
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