CN206521493U - A kind of converter dedusting line - Google Patents
A kind of converter dedusting line Download PDFInfo
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- CN206521493U CN206521493U CN201621409178.2U CN201621409178U CN206521493U CN 206521493 U CN206521493 U CN 206521493U CN 201621409178 U CN201621409178 U CN 201621409178U CN 206521493 U CN206521493 U CN 206521493U
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- dust
- fire door
- differential pressure
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- blower fan
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a kind of converter dedusting line, the dust pelletizing system increases on-Line Monitor Device and control unit on the basis of existing eight classes dust arrester, dust content in on-Line Monitor Device detection flue gas, control unit is according to the rotating speed of online dust content data point reuse blower fan, the rotating speed of blower fan will influence the size of the differential pressure of fire door, the regulation mechanism carried in eight class dust arresters automatically adjusts the size of the differential pressure according to fire door the aditus laryngis opening degree of secondary panel turnover Venturi tube, voltage between the circumferential weld opening degree or wet electrical dust precipitator polar curve pole plate of circular seam Venturi tube；The utility model converter dedusting line not only can guarantee that the flue gas after being handled through converter dust-removing device met the requirement of environmental protection but also can take into account the water-saving and electricity-saving factor of dust arrester, improve comprehensive benefit.
Description
Technical field
The utility model is related to converter dust-removing technical field, more particularly to a kind of converter dust-removing device adjusting method and control
System processed.
Background technology
The flue gas produced using pneumatic steelmaking contains substantial amounts of dust, and these dust need to carry out dust removal process, reach state
Surrounding environment can be just discharged into after family's emission request.Fig. 1 to Fig. 8 is the structural frames of different type dust arrester in the prior art
Figure, be respectively：It is old OG dust arresters, new OG dust arresters, old OG semidry dusters, new OG semidry dusters, old
OG Wet type electric dust-removing devices, new OG Wet type electric dust-removing devices, old OG semidry methods Wet type electric dust-removing device and new OG semidry methods wet type
Electric dust collector.
The dust removing effects of all kinds of dust arresters of prior art are adjustable, and regulating measure includes three kinds：(1) all kinds of dedusting dresses
Water supply installation, water supply installation are provided with one-level venturi, secondary panel turnover Venturi tube, spray column and the circular seam Venturi tube put
The size of output will influence the dust removing effects of dust arrester；(2) secondary panel turnover Venturi tube aditus laryngis in all kinds of dust arresters
Opening degree is adjustable, and the circumferential weld opening degree of circular seam Venturi tube is adjustable in all kinds of dust arresters, secondary panel turnover Venturi tube and circumferential weld Wen
The opening degree of pipe will influence the dust removing effects of dust arrester；(3) voltage between the polar curve pole plate of the dust arrester of electric precipitation type is big
The dust removing effects of small influence dust arrester.At present, foregoing three kinds of regulating measures are manual regulation, and degree of regulation is low, promptness
Difference.
With the appearance of the continuous renewal of dedusting technology, particularly wet-esp technology, the dedusting of converter dust-removing device
Ability obtains great raising, and makes it possible energy-saving and water-saving.But, the raising of dust collection capacity also brings dedusting
Equipment water and the raising of electricity consumption, substantial amounts of sewage and electricity consumption had both added the financial burden of enterprise or be unfavorable for environmental protection.Therefore,
From the angle of comprehensive profit, the dust removing effects of converter dust-removing device should meet the related standard limit of smog release of country
In the case of select a rational degree.The dust arrester of prior art all relies on manual tune to the regulating measure of dust removing effects
Section, operating personnel using emission compliance for adjustment target, shortage one kind can dynamic regulation dust removing effects to realize that dust arrester is comprehensive
The method and apparatus for closing benefit.
Utility model content
The technical problems to be solved in the utility model is that the converter dust-removing device of prior art can only adjust dedusting effect manually
Really, degree of regulation is low, and promptness is poor；Also, adjusting dust removing effects can only be to meet national standard limit of smog release as target, it is impossible to
Dynamic regulation dust removing effects with realize dust arrester comprehensive profit maximize.
In order to solve the above technical problems, the technical solution adopted in the utility model is：In existing eight classes dust arrester
On the basis of increase on-Line Monitor Device and control unit, the dust content in on-Line Monitor Device detection flue gas, control unit root
According to the rotating speed of online dust content data point reuse blower fan, the rotating speed of blower fan will influence the size of the differential pressure of fire door, and differential pressure is
Refer to as the pressure and the difference of external atmosphere pressure in converter, guarantee differential pressure is generally required in practical operation and arrives 10Pa's 0
In normal range (NR).After micro-pressure-difference changes and exceeds normal range (NR), the regulation mechanism carried in eight class dust arresters is by root
The aditus laryngis opening degree of secondary panel turnover Venturi tube and the circumferential weld opening of circular seam Venturi tube are automatically adjusted according to the size of the differential pressure of fire door
Degree, this self-regulation contains the dust that the micro-pressure-difference for changing fire door simultaneously changes the flue gas being emitted into air simultaneously to normal range (NR)
Amount.
Specific dust pelletizing system includes dust arrester, on-Line Monitor Device and control unit；The dust arrester is old OG
Dust arrester, new OG dust arresters, semidry duster or Wet type electric dust-removing device.
Old OG dust arresters include evaporated flue, one-level venturi, secondary panel turnover Venturi tube and blower fan, the cigarette of converter discharge
Gas passes sequentially through the smoke fire door company of evaporated flue, one-level venturi, secondary panel turnover Venturi tube and blower fan, evaporated flue and converter
Connect, the pressure sensor for measuring micro-differential pressure is installed at fire door, secondary panel turnover Venturi tube is according to the differential pressure of fire door
Size adjustment aditus laryngis opening degree size to adapt to the differential pressure of fire door.
New OG dust arresters include evaporated flue, spray column, circular seam Venturi tube and blower fan, and the flue gas of converter discharge leads to successively
It is provided with the smoke fire door connection of overflash flue, spray column, circular seam Venturi tube and blower fan, evaporated flue and converter, fire door
Pressure sensor for measuring micro-differential pressure, circular seam Venturi tube adjusts circumferential weld opening degree according to the size of the differential pressure of fire door
Size to adapt to the differential pressure of fire door.
Semidry duster includes old OG semidry dusters and new OG semidry dusters.
Old OG semidry dusters include evaporated flue, wet cooling tower, one-level venturi, secondary panel turnover Venturi tube and
Blower fan, the flue gas of converter discharge passes sequentially through evaporated flue, wet cooling tower, one-level venturi, secondary panel turnover Venturi tube and wind
Pressure sensor for measuring micro-differential pressure, two are installed at the smoke fire door connection of machine, evaporated flue and converter, fire door
Level turnover panel Venturi tube adjusts the size of aditus laryngis opening degree to adapt to the differential pressure of fire door according to the size of the differential pressure of fire door.
New OG semidry dusters include evaporated flue, wet cooling tower, spray column, circular seam Venturi tube and blower fan, turn
The flue gas that fire grate goes out passes sequentially through evaporated flue, wet cooling tower, spray column, circular seam Venturi tube and blower fan, and evaporated flue is with turning
Pressure sensor for measuring micro-differential pressure is installed, circular seam Venturi tube is according to stove at the smoke fire door connection of stove, fire door
The size of the differential pressure of mouth adjusts the size of circumferential weld opening degree to adapt to the differential pressure of fire door.
It is wet that Wet type electric dust-removing device includes old OG Wet type electric dust-removing devices, new OG Wet type electric dust-removing devices, old OG semidry methods
Formula electric dust collector and new OG semidry methods Wet type electric dust-removing device.
Old OG Wet type electric dust-removing devices include evaporated flue, one-level venturi, secondary panel turnover Venturi tube, wet electrical dust precipitator
And blower fan, converter discharge flue gas pass sequentially through evaporated flue, one-level venturi, secondary panel turnover Venturi tube, wet electrical dust precipitator
And blower fan, the smoke fire door of evaporated flue and converter connected, and the pressure sensing for measuring micro-differential pressure is provided with fire door
Device, secondary panel turnover Venturi tube adjusts the size of aditus laryngis opening degree to adapt to the elementary errors of fire door according to the size of the differential pressure of fire door
Pressure.
New OG Wet type electric dust-removing devices include evaporated flue, spray column, circular seam Venturi tube, wet electrical dust precipitator and blower fan,
The flue gas of converter discharge passes sequentially through evaporated flue, spray column, circular seam Venturi tube, wet electrical dust precipitator and blower fan, evaporated flue
It is connected with the smoke fire door of converter, the pressure sensor for measuring micro-differential pressure, circular seam Venturi tube root is installed at fire door
Adjust the size of circumferential weld opening degree to adapt to the differential pressure of fire door according to the size of the differential pressure of fire door.
Old OG semidry methods Wet type electric dust-removing device includes evaporated flue, wet cooling tower, one-level venturi, secondary panel turnover text
Family name's pipe, wet electrical dust precipitator and blower fan, the flue gas of converter discharge pass sequentially through evaporated flue, wet cooling tower, one-level venturi,
Use is installed at the smoke fire door connection of secondary panel turnover Venturi tube, wet electrical dust precipitator and blower fan, evaporated flue and converter, fire door
In the pressure sensor of measurement micro-differential pressure, secondary panel turnover Venturi tube adjusts aditus laryngis opening according to the size of the differential pressure of fire door
The size of degree is to adapt to the differential pressure of fire door.
New OG semidry methods Wet type electric dust-removing device includes evaporated flue, wet cooling tower, spray column, circular seam Venturi tube, wet
Formula electric cleaner and blower fan, converter discharge flue gas pass sequentially through evaporated flue, wet cooling tower, spray column, circular seam Venturi tube,
It is provided with the smoke fire door connection of wet electrical dust precipitator and blower fan, evaporated flue and converter, fire door for measuring fire door elementary errors
The pressure sensor of pressure, circular seam Venturi tube adjusts the size of circumferential weld opening degree to adapt to fire door according to the size of the differential pressure of fire door
Differential pressure.
Blower fan in all kinds of dust arresters is the blower fan with rotating speed adjustable characteristics.
On-Line Monitor Device measures the dust content in the flue gas after the processing of removing dust device and by data transfer in real time
To control unit.
Control unit receives the dust content data from on-Line Monitor Device and compared with preset value/preset range, controls
Unit processed adjusts the voltage between the rotating speed of blower fan and/or the polar curve pole plate for adjusting wet electrical dust precipitator according to comparison result..
Further, converter dedusting line also includes human-computer interaction device, and described control unit connects with human-computer interaction device
Connect, human-computer interaction device shows the parameters of dust arrester, human-computer interaction device is used to input parameters.
Further, described control unit storage is received dust content data and the operand of human-computer interaction device
According to.
Beneficial effect：(1) the utility model provides a kind of converter dedusting line, after dust pelletizing system monitoring in real time processing
Flue gas dust content and dynamic regulation dust arrester, keep dust removing effects with it is default consistent, regulation promptness is good, precision
Height, and the water-saving and electricity-saving factor of dust arrester is taken into account, comprehensive benefit is high；(2) the converter dust-removing device that the utility model is provided
Adjusting method and control system be applied to various types of dust arresters of the prior art, it is applied widely, to existing
The change of dust arrester is small, with low cost；(3) control system for the converter dust-removing device that the utility model is provided includes man-machine friendship
Mutual equipment, greatly improves the operation ease of control system；(4) control of the utility model converter dust-removing apparatus control system
Dust content data and the peration data of human-computer interaction device that unit storage processed is received, are easy to the later stage to inquire about.
Brief description of the drawings
Fig. 1 is old OG dust arresters structured flowchart.
Fig. 2 is new OG dust arresters structured flowchart.
Fig. 3 is old OG semidry dusters structured flowchart.
Fig. 4 is new OG semidry dusters structured flowchart.
Fig. 5 is old OG Wet type electric dust-removing devices structured flowchart.
Fig. 6 is new OG Wet type electric dust-removing devices structured flowchart.
Fig. 7 is old OG semidry methods Wet type electric dust-removing device structured flowchart.
Fig. 8 is new OG semidry methods Wet type electric dust-removing device structured flowchart.
Fig. 9 is the self-adjustable old OG dust arresters structured flowchart of embodiment 1.
Figure 10 is the self-adjustable new OG dust arresters structured flowchart of embodiment 2.
Figure 11 is the self-adjustable old OG semidry dusters structured flowchart of embodiment 3.
Figure 12 is the self-adjustable new OG semidry dusters structured flowchart of embodiment 4.
Figure 13 is the self-adjustable old OG Wet type electric dust-removing devices structured flowchart of embodiment 5.
Figure 14 is the self-adjustable new OG Wet type electric dust-removing devices structured flowchart of embodiment 6.
Figure 15 is the self-adjustable old OG semidry methods Wet type electric dust-removing device structured flowchart of embodiment 7.
Figure 16 is the self-adjustable new OG semidry methods Wet type electric dust-removing device structured flowchart of embodiment 8.
Wherein：1st, evaporated flue；2nd, one-level venturi；3rd, secondary panel turnover Venturi tube；4th, converter；5th, spray column；6th, circumferential weld
Venturi tube；7th, wet cooling tower；8th, dry electrostatic cleaner；9th, wet electrical dust precipitator；10th, on-Line Monitor Device；11st, control single
Member；12nd, human-computer interaction device；13rd, blower fan.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in figure 9, the present embodiment is self-adjustable old OG dust arresters, including evaporated flue 1, one-level venturi
2nd, secondary panel turnover Venturi tube 3, on-Line Monitor Device 10, control unit 11, human-computer interaction device 12 and blower fan 13, converter 4 are discharged
Flue gas pass sequentially through evaporated flue 1, one-level venturi 2, secondary panel turnover Venturi tube 3 and blower fan 13, blower fan 13 is that rotating speed is adjustable
Frequency conversion fan.
It is designed with one-level venturi 2 and secondary panel turnover Venturi tube 3 in water supply installation, water supply installation and is provided with Valve controlling
Output.Pressure sensor is provided with the fire door of converter 4 to be used to measure micro-differential pressure, the aditus laryngis of secondary panel turnover Venturi tube 3
Opening degree size adjusts aditus laryngis opening degree by hydraulic means control, hydraulic means according to the differential pressure size of fire door.
Dust content and biography in flue gas of the measurement in real time of on-Line Monitor Device 10 after the processing of the present embodiment dust arrester
Control unit 11 is handed to, on-Line Monitor Device 10 can have both been installed before blower fan 13, can also be arranged on after blower fan 13.Control
Unit 11 compares actual measurement dust content data and preset value/preset range, and control unit 11 changes blower fan 13 according to comparison result
Rotating speed；When control unit 11 increases the rotating speed of blower fan 13, the differential pressure of fire door flue gas will reduce, if differential pressure is decreased to
Negative value, secondary panel turnover Venturi tube 3 by it is corresponding reduction aditus laryngis opening degree to adapt to the change of differential pressure, now handle after flue gas
In dust content decline；Accordingly, when control unit 11 reduces the rotating speed of blower fan 13, the differential pressure of fire door flue gas will increase
Greatly, if micro-pressure-difference is more than 10Pa, secondary panel turnover Venturi tube 3 is by corresponding increase aditus laryngis opening degree to adapt to the change of differential pressure
Change, the dust content in flue gas after now handling rises.
If the dust content data of actual measurement are more than preset value/preset range upper limit, control unit 11 then increases one-level text
The rotating speed of the output of family name's pipe 2 and/or the output of increase secondary panel turnover Venturi tube 3 and/or increase blower fan 13；If actual measurement
Dust content data be less than preset value/preset range lower limit, control unit 11 then reduce one-level venturi 2 output and/or
Reduce the output of secondary panel turnover Venturi tube 3 and/or reduce the rotating speed of blower fan 13.Control unit 11 is to foregoing one-level venturi 2
Output, the adjustment of the output of secondary panel turnover Venturi tube 3 and the rotating speed of blower fan 13 both can be independent adjustment or join
Dynamic adjustment；The present embodiment does not limit the specific adjustment mode of control unit 11, user can self-defining control unit 11 to dedusting
The adjustment mode of parameter is to realize specific purpose, and such as water saving, economize on electricity, environmental protection or comprehensive benefit are most high.
Control unit 11 is connected with human-computer interaction device 12, and human-computer interaction device can show each of the present embodiment dust arrester
Item parameter, such as output of one-level venturi 2, the output of secondary panel turnover Venturi tube 3, the aditus laryngis of secondary panel turnover Venturi tube 3 are opened
Mouth degree, micro-differential pressure of converter 4 etc..Human-computer interaction device is additionally operable to input parameters, exhaust gas dust content after such as handling
Preset value/preset range, one-level venturi 2 output adjustment step value, the aditus laryngis opening adjustment of secondary panel turnover Venturi tube 3
Step value etc..
Embodiment 2
As shown in Figure 10, the present embodiment is self-adjustable new OG dust arresters, including evaporated flue 1, spray column 5,
Circular seam Venturi tube 6, on-Line Monitor Device 10, control unit 11, human-computer interaction device 12 and blower fan 13, the flue gas that converter 4 is discharged
Evaporated flue 1, spray column 5, circular seam Venturi tube 6 and blower fan 13 are passed sequentially through, blower fan 13 is the adjustable frequency conversion fan of rotating speed.
It is designed with spray column 5 and circular seam Venturi tube 6 in water supply installation, water supply installation and is provided with Valve controlling output.
Pressure sensor is provided with the fire door of converter 4 to be used to measure micro-differential pressure, the circumferential weld opening degree size of circular seam Venturi tube 6 by
Hydraulic means is controlled, and hydraulic means adjusts circumferential weld opening degree according to the differential pressure size of fire door.
Dust content and biography in flue gas of the measurement in real time of on-Line Monitor Device 10 after the processing of the present embodiment dust arrester
Control unit 11 is handed to, on-Line Monitor Device 10 both may be mounted at before blower fan 13, can also be arranged on after blower fan 13.Control
Unit 11 processed compares actual measurement dust content data and preset value/preset range, and control unit 11 changes blower fan according to comparison result
13 rotating speed；When control unit 11 increases the rotating speed of blower fan 13, the differential pressure of fire door flue gas will reduce, if differential pressure reduces
To negative value, circular seam Venturi tube 6 by it is corresponding reduction circumferential weld opening degree to adapt to the change of differential pressure, now handle after flue gas in
Dust content decline；Accordingly, when control unit 11 reduces the rotating speed of blower fan 13, the differential pressure of fire door flue gas will increase,
If micro-pressure-difference to adapt to the change of differential pressure, now locates corresponding increase circumferential weld opening degree more than 10Pa, circular seam Venturi tube 6
Dust content in flue gas after reason rises.
If the dust content data of actual measurement are more than preset value/preset range upper limit, control unit 11 then increases spray column 5
Output and/or increase circular seam Venturi tube 6 output and/or increase blower fan 13 rotating speed；If the dust content of actual measurement
Data are less than preset value/preset range lower limit, and control unit 11 then reduces the output of spray column 5 and/or reduces circumferential weld Wen
The output of pipe 6 and/or the rotating speed for reducing blower fan 13.Output, circular seam Venturi tube 6 of the control unit 11 to foregoing spray column 5
Output and the adjustment of rotational speed of blower fan 13 both can be independent adjustment or linkage adjustment；The present embodiment does not limit control
The specific adjustment mode of three kinds of dedusting parameters of unit 11 pair processed, user can adjustment of the self-defining control unit 11 to dedusting parameter
Mode is to realize specific purpose, and such as water saving, economize on electricity, environmental protection or comprehensive benefit are most high.
Control unit 11 is connected with human-computer interaction device 12, and human-computer interaction device can show each of the present embodiment dust arrester
Item parameter, the output, the output of circular seam Venturi tube 6, the circumferential weld opening degree of circular seam Venturi tube 6, converter 4 such as spray column 5
Micro-differential pressure etc..Human-computer interaction device is additionally operable to input parameters, the preset value of exhaust gas dust content after such as handling/default
Scope, output adjustment step value, the circumferential weld opening adjustment step value of circular seam Venturi tube 6 of spray column 5 etc..
Embodiment 3
As shown in figure 11, the present embodiment is self-adjustable old OG semidry dusters.The present embodiment dust arrester
Substantially the same manner as Example 1, difference is between evaporated flue 1 and one-level venturi 2 to add wet cooling tower 7.This implementation
The adjusting method and control system of example dust arrester are consistent with embodiment 1.
Embodiment 4
As shown in figure 12, the present embodiment is self-adjustable new OG semidry dusters.The present embodiment dust arrester
Substantially the same manner as Example 2, difference is between evaporated flue 1 and spray column 5 to add wet cooling tower 7.The present embodiment is removed
The adjusting method and control system of dirt device are consistent with embodiment 2.
Embodiment 5
As shown in figure 13, the present embodiment is self-adjustable old OG Wet type electric dust-removing devices, including evaporated flue 1, one
Level Venturi tube 2, secondary panel turnover Venturi tube 3, wet electrical dust precipitator 9, on-Line Monitor Device 10, control unit 11, man-machine interaction are set
Standby 12 and blower fan 13, the flue gas that converter 4 is discharged passes sequentially through evaporated flue 1, one-level venturi 2, secondary panel turnover Venturi tube 3, wet
Formula electric cleaner 9 and blower fan 13, blower fan 13 are the adjustable frequency conversion fan of rotating speed.
It is designed with one-level venturi 2 and secondary panel turnover Venturi tube 3 in water supply installation, water supply installation and is provided with Valve controlling
Output.Pressure sensor is provided with the fire door of converter 4 to be used to measure micro-differential pressure, the aditus laryngis of secondary panel turnover Venturi tube 3
Opening degree size adjusts aditus laryngis opening degree by hydraulic means control, hydraulic means according to the differential pressure size of fire door.
Dust content and biography in flue gas of the measurement in real time of on-Line Monitor Device 10 after the processing of the present embodiment dust arrester
Control unit 11 is handed to, on-Line Monitor Device 10 can have both been installed before blower fan 13, can also be arranged on after blower fan 13.Control
Unit 11 compares actual measurement dust content data and preset value/preset range, and control unit 11 changes blower fan 13 according to comparison result
Rotating speed；When control unit 11 increases the rotating speed of blower fan 13, the differential pressure of fire door flue gas will reduce, if differential pressure is decreased to
Negative value, secondary panel turnover Venturi tube 3 by it is corresponding reduction aditus laryngis opening degree to adapt to the change of differential pressure, now handle after flue gas
In dust content decline；Accordingly, when control unit 11 reduces the rotating speed of blower fan 13, the differential pressure of fire door flue gas will increase
Greatly, if micro-pressure-difference is more than 10Pa, secondary panel turnover Venturi tube 3 is by corresponding increase aditus laryngis opening degree to adapt to the change of differential pressure
Change, the dust content in flue gas after now handling rises.
If the dust content data of actual measurement are more than preset value/preset range upper limit, control unit 11 then increases one-level text
The output of family name's pipe 2 and/or the output of increase secondary panel turnover Venturi tube 3 and/or the rotating speed of increase blower fan 13 and/or increase are wet
Voltage between the polar curve pole plate of formula electric cleaner 9；If the dust content data of actual measurement are less than preset value/preset range lower limit, control
Unit 11 processed then reduces the output of one-level venturi 2 and/or the output for reducing secondary panel turnover Venturi tube 3 and/or reduction wind
Voltage between the rotating speed and/or the reduction polar curve pole plate of wet electrical dust precipitator 9 of machine 13.Control unit 11 is to foregoing one-level venturi 2
Output, the output of secondary panel turnover Venturi tube 3, the rotating speed of blower fan 13 and the polar curve pole plate of wet electrical dust precipitator 9 between voltage
Adjustment both can be independent adjustment or linkage adjustment；The present embodiment does not limit the specific adjustment mode of control unit 11,
User can self-defining control unit 11 specific purpose is realized to the adjustment mode of dedusting parameter, such as water saving, economize on electricity, environmental protection
Or comprehensive benefit is most high.
Control unit 11 is connected with human-computer interaction device 12, and human-computer interaction device can show each of the present embodiment dust arrester
Item parameter, such as output of one-level venturi 2, the output of secondary panel turnover Venturi tube 3, the aditus laryngis of secondary panel turnover Venturi tube 3 are opened
Voltage, the micro-differential pressure of converter 4 between mouth degree, polar curve pole plate etc..Human-computer interaction device is additionally operable to input parameters, such as locates
Preset value/preset range of exhaust gas dust content, the output adjustment step value of one-level venturi 2, secondary panel turnover Wen after reason
Aditus laryngis opening adjustment step value of pipe 3 etc..
Embodiment 6
As shown in figure 14, the present embodiment is self-adjustable new OG Wet type electric dust-removing devices, including evaporated flue 1, spray
Drench tower 5, circular seam Venturi tube 6, wet electrical dust precipitator 9, on-Line Monitor Device 10, control unit 11, human-computer interaction device 12 and wind
Machine 13, the flue gas that converter 4 is discharged passes sequentially through evaporated flue 1, spray column 5, circular seam Venturi tube 6, wet electrical dust precipitator 9 and blower fan
13, blower fan 13 is the adjustable frequency conversion fan of rotating speed.
It is designed with spray column 5 and circular seam Venturi tube 6 in water supply installation, water supply installation and is provided with Valve controlling output.
Pressure sensor is provided with the fire door of converter 4 to be used to measure micro-differential pressure, the circumferential weld opening degree size of circular seam Venturi tube 6 by
Hydraulic means is controlled, and hydraulic means adjusts circumferential weld opening degree according to the differential pressure size of fire door.
Dust content and biography in flue gas of the measurement in real time of on-Line Monitor Device 10 after the processing of the present embodiment dust arrester
Control unit 11 is handed to, on-Line Monitor Device 10 can have both been installed before blower fan 13, can also be arranged on after blower fan 13.Control
Unit 11 compares actual measurement dust content data and preset value/preset range, and control unit 11 changes blower fan 13 according to comparison result
Rotating speed；When control unit 11 increases the rotating speed of blower fan 13, the differential pressure of fire door flue gas will reduce, if differential pressure is decreased to
Negative value, circular seam Venturi tube 6 by it is corresponding reduction circumferential weld opening degree to adapt to the change of differential pressure, now handle after flue gas in
Dust content declines；Accordingly, when control unit 11 reduces the rotating speed of blower fan 13, the differential pressure of fire door flue gas will increase, such as
Fruit micro-pressure-difference to adapt to the change of differential pressure, is now handled corresponding increase circumferential weld opening degree more than 10Pa, circular seam Venturi tube 6
Dust content in flue gas afterwards rises.
If the dust content data of actual measurement are more than preset value/preset range upper limit, control unit 11 then increases spray column 5
Output and/or increase circular seam Venturi tube 6 output and/or increase blower fan 13 rotating speed and/or increase wet-esp
Voltage between the polar curve pole plate of device 9；If the dust content data of actual measurement are less than preset value/preset range lower limit, control unit 11
Then reduce the output of spray column 5 and/or the output of reduction circular seam Venturi tube 6 and/or reduce the rotating speed of blower fan 13 and/or subtract
Voltage between few polar curve pole plate of wet electrical dust precipitator 9.Control unit 11 is to the output of foregoing spray column 5, circular seam Venturi tube 6
The adjustment of rotational speed of output and blower fan 13 both can be independent adjustment or linkage adjustment；The present embodiment does not limit control
The specific adjustment mode of three kinds of dedusting parameters of unit 11 pair, user can self-defining control unit 11 to the adjustment side of dedusting parameter
Formula is to realize specific purpose, and such as water saving, economize on electricity, environmental protection or comprehensive benefit are most high.
Control unit 11 is connected with human-computer interaction device 12, and human-computer interaction device can show each of the present embodiment dust arrester
Item parameter, such as output of spray column 5, the output of circular seam Venturi tube 6, the circumferential weld opening degree of circular seam Venturi tube 6, wet type electricity are removed
Voltage, micro-differential pressure of converter 4 between the polar curve pole plate of dirt device 9 etc..Human-computer interaction device is additionally operable to input parameters, such as locates
Preset value/preset range of exhaust gas dust content, output adjustment step value, the circumferential weld of circular seam Venturi tube 6 of spray column 5 are opened after reason
Mouth degree adjustment step value etc..
Embodiment 7
As shown in figure 15, the present embodiment is self-adjustable old OG semidry methods Wet type electric dust-removing device.The present embodiment is removed
Dirt device is substantially the same manner as Example 5, and difference is between evaporated flue 1 and one-level venturi 2 to add wet cooling tower 7.
The adjusting method and control system of the present embodiment dust arrester are consistent with embodiment 5.
Embodiment 8
As shown in figure 16, the present embodiment is self-adjustable new OG semidry methods Wet type electric dust-removing device.The present embodiment is removed
Dirt device is substantially the same manner as Example 6, and difference is between evaporated flue 1 and spray column 5 to add wet cooling tower 7.This reality
The adjusting method and control system for applying a dust arrester are consistent with embodiment 6.
Although embodiment of the present utility model is illustrated in specification, these embodiments are intended only as carrying
Show, should not limit protection domain of the present utility model.Various omissions are carried out in the range of the utility model objective is not departed from, are put
Change and change should be included in protection domain of the present utility model.
Claims (3)
1. a kind of converter dedusting line, it is characterised in that：Including dust arrester, on-Line Monitor Device (10) and control unit
(11)；
The dust arrester is old OG dust arresters, new OG dust arresters, semidry duster or Wet type electric dust-removing device；
Old OG dust arresters include evaporated flue (1), one-level venturi (2), secondary panel turnover Venturi tube (3) and blower fan (13), turn
The flue gas of stove (4) discharge passes sequentially through evaporated flue (1), one-level venturi (2), secondary panel turnover Venturi tube (3) and blower fan (13),
Evaporated flue (1) is connected with the smoke fire door of converter, and the pressure sensor for measuring micro-differential pressure, two are provided with fire door
Level turnover panel Venturi tube (3) adjusts the size of aditus laryngis opening degree to adapt to the differential pressure of fire door according to the size of the differential pressure of fire door；
New OG dust arresters include evaporated flue (1), spray column (5), circular seam Venturi tube (6) and blower fan (13), converter (4) discharge
Flue gas pass sequentially through evaporated flue (1), spray column (5), circular seam Venturi tube (6) and blower fan (13), evaporated flue (1) and converter
The connection of smoke fire door, the pressure sensor for measuring micro-differential pressure is installed, circular seam Venturi tube (6) is according to stove at fire door
The size of the differential pressure of mouth adjusts the size of circumferential weld opening degree to adapt to the differential pressure of fire door；
Semidry duster includes old OG semidry dusters and new OG semidry dusters；
Old OG semidry dusters include evaporated flue (1), wet cooling tower (7), one-level venturi (2), secondary panel turnover text
Family name manages (3) and blower fan (13), and the flue gas of converter (4) discharge passes sequentially through evaporated flue (1), wet cooling tower (7), one-level Wen
(2), secondary panel turnover Venturi tube (3) and blower fan (13) are managed, evaporated flue (1) is connected with the smoke fire door of converter, installed at fire door
There is the pressure sensor for measuring micro-differential pressure, secondary panel turnover Venturi tube (3) is adjusted according to the size of the differential pressure of fire door
The size of aditus laryngis opening degree is to adapt to the differential pressure of fire door；
New OG semidry dusters include evaporated flue (1), wet cooling tower (7), spray column (5), circular seam Venturi tube (6) and
Blower fan (13), the flue gas of converter (4) discharge passes sequentially through evaporated flue (1), wet cooling tower (7), spray column (5), circumferential weld text
Family name manages (6) and blower fan (13), and evaporated flue (1) is connected with the smoke fire door of converter, is provided with fire door micro- for measuring fire door
The pressure sensor of differential pressure, circular seam Venturi tube (6) adjusts the size of circumferential weld opening degree with suitable according to the size of the differential pressure of fire door
Answer the differential pressure of fire door；
Wet type electric dust-removing device includes old OG Wet type electric dust-removing devices, new OG Wet type electric dust-removing devices, old OG semidry methods wet type electricity
Dust arrester and new OG semidry methods Wet type electric dust-removing device；
Old OG Wet type electric dust-removing devices include evaporated flue (1), one-level venturi (2), secondary panel turnover Venturi tube (3), wet type electricity
Deduster (9) and blower fan (13), converter (4) discharge flue gas pass sequentially through evaporated flue (1), one-level venturi (2), two grades turn over
Plate Venturi tube (3), wet electrical dust precipitator (9) and blower fan (13), evaporated flue (1) is connected with the smoke fire door of converter, at fire door
Pressure sensor for measuring micro-differential pressure is installed, secondary panel turnover Venturi tube (3) is according to the size of the differential pressure of fire door
The size of aditus laryngis opening degree is adjusted to adapt to the differential pressure of fire door；
New OG Wet type electric dust-removing devices include evaporated flue (1), spray column (5), circular seam Venturi tube (6), wet electrical dust precipitator (9)
With blower fan (13), the flue gas of converter (4) discharge passes sequentially through evaporated flue (1), spray column (5), circular seam Venturi tube (6), wet type
Electric cleaner (9) and blower fan (13), evaporated flue (1) are connected with the smoke fire door of converter, are provided with fire door for measuring stove
The pressure sensor of mouth differential pressure, circular seam Venturi tube (6) adjusts the size of circumferential weld opening degree according to the size of the differential pressure of fire door
To adapt to the differential pressure of fire door；
Old OG semidry methods Wet type electric dust-removing device include evaporated flue (1), wet cooling tower (7), one-level venturi (2), two grades
Turnover panel Venturi tube (3), wet electrical dust precipitator (9) and blower fan (13), converter (4) discharge flue gas pass sequentially through evaporated flue (1),
Wet cooling tower (7), one-level venturi (2), secondary panel turnover Venturi tube (3), wet electrical dust precipitator (9) and blower fan (13), vaporization
Flue (1) is connected with the smoke fire door of converter, and the pressure sensor for measuring micro-differential pressure is provided with fire door, and two grades are turned over
Plate Venturi tube (3) adjusts the size of aditus laryngis opening degree to adapt to the differential pressure of fire door according to the size of the differential pressure of fire door；
New OG semidry methods Wet type electric dust-removing device includes evaporated flue (1), wet cooling tower (7), spray column (5), circumferential weld Wen
(6), wet electrical dust precipitator (9) and blower fan (13) are managed, the flue gas of converter (4) discharge passes sequentially through evaporated flue (1), evaporation cooling
Tower (7), spray column (5), circular seam Venturi tube (6), wet electrical dust precipitator (9) and blower fan (13), evaporated flue (1) go out with converter
Cigarette fire door is connected, and the pressure sensor for measuring micro-differential pressure is provided with fire door, circular seam Venturi tube (6) is according to fire door
The size of differential pressure adjusts the size of circumferential weld opening degree to adapt to the differential pressure of fire door；
The old OG dust arresters, new OG dust arresters, old OG semidry dusters, new OG semidry dusters, old OG
Wet type electric dust-removing device, new OG Wet type electric dust-removing devices, old OG semidry methods Wet type electric dust-removing device and new OG semidry methods wet type electricity
Blower fan (13) in dust arrester is the adjustable blower fan of rotating speed；
The dust content in flue gas after on-Line Monitor Device (10) measurement removing dust device processing in real time and by data transfer
To control unit (11)；
Control unit (11) receive from on-Line Monitor Device (10) dust content data and with preset value/preset range ratio
Right, control unit (11) adjusts the rotating speed of blower fan (13) according to comparison result and/or adjusts the polar curve pole plate of wet electrical dust precipitator
Between voltage.
2. converter dedusting line according to claim 1, it is characterised in that：Also include human-computer interaction device (12), it is described
Control unit (11) is connected with human-computer interaction device (12), and human-computer interaction device (12) shows the parameters of dust arrester, people
Machine interactive device (12) is used to input parameters.
3. converter dedusting line according to claim 1 or 2, it is characterised in that：Described control unit (11) storage is received
The dust content data arrived and the peration data of human-computer interaction device (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621409178.2U CN206521493U (en) | 2016-12-21 | 2016-12-21 | A kind of converter dedusting line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621409178.2U CN206521493U (en) | 2016-12-21 | 2016-12-21 | A kind of converter dedusting line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206521493U true CN206521493U (en) | 2017-09-26 |
Family
ID=59888545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621409178.2U Active CN206521493U (en) | 2016-12-21 | 2016-12-21 | A kind of converter dedusting line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206521493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107641679A (en) * | 2017-10-26 | 2018-01-30 | 中冶赛迪工程技术股份有限公司 | A kind of Wet Dust-trapping of Converter energy-saving control method |
| CN108467915A (en) * | 2018-04-27 | 2018-08-31 | 李志浩 | Energy saver for steel production |
-
2016
- 2016-12-21 CN CN201621409178.2U patent/CN206521493U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107641679A (en) * | 2017-10-26 | 2018-01-30 | 中冶赛迪工程技术股份有限公司 | A kind of Wet Dust-trapping of Converter energy-saving control method |
| CN108467915A (en) * | 2018-04-27 | 2018-08-31 | 李志浩 | Energy saver for steel production |
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