CN110527768A - A kind of accurate atomizing de-dusting control method of blast fumance - Google Patents
A kind of accurate atomizing de-dusting control method of blast fumance Download PDFInfo
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- CN110527768A CN110527768A CN201910805595.0A CN201910805595A CN110527768A CN 110527768 A CN110527768 A CN 110527768A CN 201910805595 A CN201910805595 A CN 201910805595A CN 110527768 A CN110527768 A CN 110527768A
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- sensor
- wind
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/22—Dust arresters
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
Abstract
The present invention provides a kind of accurate atomizing de-dusting control method of blast fumance, its step includes confirmation environment actual humidity and dust actual concentrations, environment actual humidity is compared with preset environmental wet angle value, dust actual concentrations are compared with preset dust concentration, when actual value is beyond preset concentration and humidity, starting is spraying；Whether confirmation is spraying in the state for having wind, when windless condition, each spraying system loop start.If there is wind, keep downwind spraying.The confirmation wind direction confirmation of precision, more accurate control spray head, to reduce dust.
Description
Technical field
The present invention relates to a kind of blast fumance technique more particularly to a kind of accurate atomizing de-dusting control methods of blast fumance.
Background technique
With social development, the environmental requirement of enterprise's production is increasingly paid attention to.Very especially for energy consumption consumption
Big blast furnace steel-making smelts iron enterprise, and production environment requires higher and higher.
Blast furnace steel-making enterprise more and more passes through intelligent equipment, improves production efficiency, environment is reduced, for quality height
Steel plant, require production environment to accomplish minimum as far as possible.
Due to that will generate some dust in blast furnace production process, and dust is to the quality of product and the health of worker
It affects, traditional way is through the dust in blower extraction air into dust processing equipment, then by spraying water, spraying
The mode of mist carries out dust processing.
When currently, will be covered with a large amount of dust in processing equipment during long time treatment, and need certain interval of time
It is cleared up, if not clearing up, by plugging handling equipment, some dust in some workshops cannot be introduced into processing equipment, cause to give birth to
It produces environment and environmental requirement is not achieved.
Therefore, it is necessary to provide the new accurate atomizing de-dusting control method of blast fumance of one kind to solve the above problems.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide the blast fumance that one kind is capable of efficient process dust is accurate
Atomizing de-dusting control method.
To achieve the above object, one technical scheme adopted by the invention is that: a kind of accurate atomizing de-dusting control of blast fumance
Method processed, step include:
Confirm environment actual humidity and dust actual concentrations, environment actual humidity is compared with preset environmental wet angle value, powder
Dirt actual concentrations are compared with preset dust concentration, and when actual value is beyond preset concentration and humidity, starting is spraying；Confirmation is spraying
Whether in the state for having wind, when windless condition, each spraying system loop start.If there is wind, downwind is kept to spray
Mist.
The most strong wind value that first sensor obtains is obtained, and reaches spray head；Spray head response obtains the sensor of most strong wind value,
It is rotated towards first sensor；To spray head during turning to first sensor, two sensors adjacent with first sensor
Wind value is done to compare；Confirm relatively strong winds value in two sensors；It meets and discusses and is deflected to the second sensor of relatively strong winds value；It is maximum with obtaining
The first sensor of value is compared, and two adjacent sensors obtain the wind value that wind value is less than first sensor, when two neighboring biography
When sensor is compared, wind direction will be towards a biggish sensor, when the wind value of two adjacent sensors is equal, then wind direction
Just blown over towards first sensor forward direction.
According to first sensor compared with the wind value of second sensor, confirmation first sensor and second sensor wind direction.
The maximum value air quantity sensed by first sensor, can tentatively confirm wind direction, when the wind value maximum of acquisition, that
Wind is blown towards first sensor；The direction that the spray head of original state is in is any direction.
First sensor is directlyed proportional to second sensor wind value size to angle, and the air quantity of second sensor is closer to first
The wind value of sensor, then the angle of wind direction gets over the deflection to second sensor；When the wind value phase of second sensor and sensor
Whens equal, wind direction is in the middle of first sensor and second sensor.
Compared with prior art, the beneficial effect of the accurate atomizing de-dusting control method of blast fumance of the present invention is: precisely
The confirmation wind direction confirmation of change, more accurate control spray head, to reduce dust.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the accurate atomizing de-dusting control method flow chart of blast fumance of the present invention；
Fig. 2 is spray head of the present invention spray operations flow chart in the case where there is wind environment.
Specific embodiment
The present invention is explained in detail with reference to the accompanying drawing, but it is emphasized that following embodiment is
Illustratively, the range and application being not intended to be limiting of the invention.
It is the accurate atomizing de-dusting control method flow chart of blast fumance of the present invention with reference to Fig. 1.
The present invention is a kind of accurate atomizing de-dusting control method of blast fumance, and confirmation equipment is in automatic control mode, should
The spraying operation according to dust concentration, humidity voluntarily.
Initial stage, spray head by spraying are in automatic control mode, in the spraying state of stopping.,
Step S1, environment actual humidity is the same as compared with preset environmental wet angle value；Then confirm practical dust concentration in advance
If dust concentration compare, if beyond default dust concentration, when all meeting the requirements beyond preset concentration and humidity, starting spray
Mist；
Wherein humidity and dust (with PM2.5) concentration value confirm (every 30S confirms primary) according to setting time,
When humidity within 60% and confirm dust concentration value be greater than certain set amount when, open spray dust-reducing system.
To avoid prolonged atomizing de-dusting, can by setting one opening time or according to setting humidity (such as
90%) or/and Dust Capacity (is less than 20/m3) be adjusted or close.
Step S2 is confirmed whether in the state for having wind, when windless condition, each spraying system loop start.If having
Wind then keeps downwind spraying.
When environment has wind and wind speed changes, in windless condition and there is overspray state between wind state.Work as wind
Speed is less than setting value (when being, for example, less than 1m/s), and calm mode starting, when wind speed is greater than the set value, this has the starting of wind state.
Referring to Fig. 2, spray head of the present invention spray operations flow chart in the case where there is wind environment.
Divide the region that multiple sensors obtain wind direction；Four sensors are located at four corners of the world four direction；For confirming
Wind direction；
The specification of multiple sensors is identical, and induction region is opposite and sets, for incuding the wind in four sensor regions
Value；
Step S21 when the most strong wind value that first sensor obtains, and reaches spray head；
Step S22, spray head response obtain the sensor of most strong wind value, rotate towards first sensor；
Specifically, the maximum value air quantity sensed by first sensor, can tentatively confirm wind direction, when acquisition wind value most
When big, then wind is blown generally towards first sensor；But it can not confirm and how many angle specifically deflected with the direction of first sensor；
The direction that the spray head of original state is in be any direction, can be it is identical as practical wind direction, be also possible to be in practical wind direction
Any angle between 0-180 °.
Step S23, to spray head during turning to first sensor, two sensors adjacent with first sensor are done
Wind value compares；Confirm relatively strong winds value in two sensors；It meets and discusses and is deflected to the second sensor of relatively strong winds value；
Step S24, compared with the first sensor for obtaining maximum value, two adjacent sensors obtain wind value less than first
The wind value of sensor, when two neighboring sensor is compared, wind direction will be towards a biggish sensor, when two adjacent biographies
When the wind value of sensor is equal, then wind direction is just blown over towards first sensor forward direction.
Step S25 confirms first sensor and the second sensing according to first sensor compared with the wind value of second sensor
Device wind direction.
Specifically, first sensor is directlyed proportional to second sensor wind value size to angle, the air quantity of second sensor is got over
Close to the wind value of first sensor, then the angle of wind direction gets over the deflection to second sensor；When second sensor and sensor
Wind value it is roughly equal when, wind direction is in the middle of first sensor and second sensor.
When change of the wind, the wind value moment of multiple sensors is changing, and wind direction is changing, rotation direction of meeting and discussing and wind value
The change of deviation size and change.
Therefore, confirmed by the confirmation wind direction of precision, more accurate control spray head, to reduce dust.
Certainly, those skilled in the art in the art are it should be appreciated that above-described embodiment is intended merely to illustrate this hair
It is bright, and be not used as limitation of the invention, if in spirit of the invention, to the variation of above-described embodiment,
Modification will all be fallen within the scope of the claims.
Claims (4)
1. a kind of accurate atomizing de-dusting control method of blast fumance, which is characterized in that its step includes:
Confirm environment actual humidity and dust actual concentrations, for environment actual humidity compared with preset environmental wet angle value, dust is real
Border concentration is compared with preset dust concentration, and when actual value is beyond preset concentration and humidity, starting is spraying；
Whether confirmation is spraying in the state for having wind, when being in windless condition, each loop start of meeting and discussing by spraying, if in having
When wind state, then meets and discusses by spraying and keep downwind spraying.
2. the accurate atomizing de-dusting control method of blast fumance as described in claim 1, which is characterized in that obtain first sensor
The most strong wind value obtained, and reach spray head；
Spray head response obtains the sensor of most strong wind value, rotates towards first sensor；
To spray head during turning to first sensor, compared with two sensors adjacent with first sensor do wind value；Really
Recognize relatively strong winds value in two sensors；It meets and discusses and is deflected to the second sensor of relatively strong winds value；
Compared with the first sensor for obtaining maximum value, two adjacent sensors obtain the wind that wind value is less than first sensor
Value, when two neighboring sensor is compared, wind direction will be towards a biggish sensor, when the wind value of two adjacent sensors
When equal, then wind direction is just blown over towards first sensor forward direction；
According to first sensor compared with the wind value of second sensor, confirmation first sensor and second sensor wind direction.
3. the accurate atomizing de-dusting control method of blast fumance as claimed in claim 2, which is characterized in that above-mentioned spray head response obtains
The sensor for taking most strong wind value is rotated towards first sensor, comprising: the maximum value air quantity sensed by first sensor, it can
Preliminary confirmation wind direction, when the wind value maximum of acquisition, then wind is blown towards first sensor；The side that the spray head of original state is in
To for any direction.
4. the accurate atomizing de-dusting control method of blast fumance as claimed in claim 2, which is characterized in that above-mentioned to be passed according to first
Sensor is compared with the wind value of second sensor, confirmation first sensor and second sensor wind direction, comprising: first sensor and the
Two sensor wind value sizes are directly proportional to angle, the air quantity of second sensor closer to first sensor wind value, then wind direction
Angle get over deflection to second sensor；When second sensor is equal with the wind value of sensor, wind direction is in first sensor
With the middle of second sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910805595.0A CN110527768A (en) | 2019-08-29 | 2019-08-29 | A kind of accurate atomizing de-dusting control method of blast fumance |
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| CN201910805595.0A CN110527768A (en) | 2019-08-29 | 2019-08-29 | A kind of accurate atomizing de-dusting control method of blast fumance |
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Application publication date: 20191203 |