CN108827012A - Oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system - Google Patents
Oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system Download PDFInfo
- Publication number
- CN108827012A CN108827012A CN201810919481.4A CN201810919481A CN108827012A CN 108827012 A CN108827012 A CN 108827012A CN 201810919481 A CN201810919481 A CN 201810919481A CN 108827012 A CN108827012 A CN 108827012A
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- CN
- China
- Prior art keywords
- control system
- introduced machine
- desulfurization air
- plc
- heating furnace
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
Abstract
The present invention relates to a kind of oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control systems.Oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system, including chimney and flue, pressure transmitter, entrance electric butterfly valve, desulfurizer and desulfurization air-introduced machine are successively arranged on flue, the outlet of desulfurization air-introduced machine is connected to chimney by pipeline, desulfurization air-introduced machine is connect with motor, motor is connect with frequency converter, the control signal of frequency converter reception PLC control system, entrance electric butterfly valve and PLC control system two-way communication, pressure signal is sent to PLC control system by pressure transmitter, and PLC control system is connect with industrial personal computer.Improve work efficiency safety, reliability and the high efficiency for ensureing production operation, simultaneously by cost of investment control in compared with small-amount, make the control flue pressure that improved system is more accurate, it is securely and reliably, technologically advanced, economical and practical, perfect in shape and function, easy to maintain.
Description
Technical field
The present invention relates to a kind of blower fan control system more particularly to a kind of oil plant flue gas of heating furnace desulfurization air-introduced machine PLC
Frequency-converting speed-governing control system.
Background technique
Exhausted air quantity adjustment of the oil plant crude battery flue gas desulfurization air-introduced machine when heating furnace switches is using manually in flue
Pressure is observed, is controlled manually in the method that valve control box adjusts electrically operated valve aperture according to the situation of change of flue pressure, one
Flue gas desulphurization system operation needs two people cooperation to be adjusted when platform heating furnace works, the exhausted air quantity when two heating furnaces work
It can not manually be adjusted at all, in this way atmosphere be caused seriously to pollute.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency control
Control system, it is therefore an objective to improve working efficiency, ensure safety, reliability and the high efficiency of production operation, more accurate control
Tobacco curing road pressure.
Oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system of the present invention in order to achieve the above objectives, packet
Chimney and flue are included, pressure transmitter, entrance electric butterfly valve, desulfurizer and desulfurization air inducing are successively arranged on flue
Machine, the outlet of desulfurization air-introduced machine are connected to chimney by pipeline, and desulfurization air-introduced machine is connect with motor, and motor and frequency converter connect
It connects, frequency converter receives the control signal of PLC control system, entrance electric butterfly valve and PLC control system two-way communication, pressure inverting
Pressure signal is sent to PLC control system by device, and PLC control system is connect with industrial personal computer.
Pipeline between the desulfurization air-introduced machine and chimney is equipped with outlet electric gate valve.
The entrance electric butterfly valve upstream end draws bypass line and leads to chimney.
Described is equipped with bypass electric gate valve in bypass line.
Pressure transmitter range -2.0Kpa~the 2.0Kpa, pressure transmitter export 4~20mA signal.Described
Bypass electric gate valve is connect with PLC control system.
The outlet electric gate valve is connect with PLC control system.
Advantages of the present invention effect：The present invention increases a set of PLC control system and a Frequency Converter Control desulfurization air-introduced machine,
One pressure transmitter is installed at the scene, pressure signal is introduced into PLC control system；Monitoring pressure changing in real time, according to
The change of operating condition, adjusts the frequency of frequency converter, that is, changes the revolving speed of desulfurization air-introduced machine, to adjust the speed and energy conservation；Monitoring desulfurization in real time
Draught fan system pressure records pressure history trend curve, greatly operative employee is facilitated to operate.It can be saved using Frequency Converter Control
30% or more energy, or so a year and a half can recoup capital outlay.
Safety, reliability and the high efficiency for ensureing production operation are improved work efficiency, while cost of investment being controlled
In compared with small-amount, make the control flue pressure that improved system is more accurate, securely and reliably, technologically advanced, economical and practical,
It is perfect in shape and function, easy to maintain.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention.
In figure：1, industrial personal computer；2, PLC control system；3, pressure transmitter；4, entrance electric butterfly valve；
5, electric gate valve is bypassed；6, desulfurization air-introduced machine；7, electric gate valve is exported；8, chimney；9, frequency converter；10, motor；11,
Flue；12, desulfurizer；13, bypass line.
Specific embodiment
Preferred embodiment of the present invention will be described with reference to the accompanying drawing, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown, oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system of the present invention, including chimney
8 and flue 11, pressure transmitter 3, entrance electric butterfly valve 4, desulfurizer 12 and desulfurization are successively arranged on flue 11
Air-introduced machine 6, the outlet of desulfurization air-introduced machine 6 are connected to chimney 8 by pipeline, and desulfurization air-introduced machine 6 is connect with motor 10, motor 10
Connect with frequency converter 9, frequency converter 9 receive PLC control system 2 control signal, entrance electric butterfly valve 4 with PLC control system 4 pairs
To communication, pressure transmitter 3 by the PLC control system 2 that is sent to of signal, PLC control system 2 connect with industrial personal computer 1.
It is equipped with outlet electric gate valve 7 on pipeline between desulfurization air-introduced machine 6 and chimney 8, exports electric gate valve 7 and PLC
Control system 2 connects.
4 upstream end of entrance electric butterfly valve draws bypass line 13 and leads to chimney 8, and it is electronic that bypass is equipped in bypass line 13
Gate valve 5, bypass electric gate valve 5 are connect with PLC control system 2
3 range -2.0Kpa of pressure transmitter~2.0Kpa, pressure transmitter output 4~20mA signal pass through PLC control system
Analog input mModule teletransmission is shown to industrial personal computer progress pressure and control.
PLC control system 2 is American AB company SLC500 Modular programmable sequence controller（PLC）As front-end control system
System.The series of products use tower structure, provide reliable and stable platform to use in industry spot.
Frequency converter is the raw EV2000 frequency converter of Ai Mo, adjusts the revolving speed of desulfurization air inducing electric motor, the revolving speed tune of frequency converter
Section and display are carried out on industrial personal computer by PLC control system, and the adjustment of exhausted air quantity is realized by the change of motor speed
Reach the adjusting of pressure.
Entrance electric butterfly valve, the switching signal of outlet electric gate valve and bypass electric gate valve, fault-signal, valve opening letter
Number reaching industrial personal computer by PLC control system is shown and is controlled, and realizes Operation switch valve and regulating valve on industrial personal computer
The aperture of door.
Claims (7)
1. oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system, including chimney and flue, feature
It is to be successively arranged pressure transmitter, entrance electric butterfly valve, desulfurizer and desulfurization air-introduced machine, desulfurization air-introduced machine on flue
Outlet is connected to chimney by pipeline, and desulfurization air-introduced machine is connect with motor, and motor is connect with frequency converter, and frequency converter receives
The control signal of PLC control system, entrance electric butterfly valve and PLC control system two-way communication, pressure transmitter is by pressure signal
It is sent to PLC control system, PLC control system is connect with industrial personal computer.
2. oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system according to claim 1, feature
It is that the pipeline between desulfurization air-introduced machine and chimney is equipped with outlet electric gate valve.
3. oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system according to claim 1, feature
It is that entrance electric butterfly valve upstream end draws bypass line and leads to chimney.
4. oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system according to claim 3, feature
It is to be equipped with bypass electric gate valve in bypass line.
5. oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system according to claim 1, feature
It is that pressure transmitter range -2.0Kpa~2.0Kpa, pressure transmitter export 4~20mA signal.
6. oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system according to claim 1, feature
It is that bypass electric gate valve connect with PLC control system.
7. oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system according to claim 1, feature
It is that export electric gate valve connect with PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810919481.4A CN108827012A (en) | 2018-08-14 | 2018-08-14 | Oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810919481.4A CN108827012A (en) | 2018-08-14 | 2018-08-14 | Oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108827012A true CN108827012A (en) | 2018-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810919481.4A Withdrawn CN108827012A (en) | 2018-08-14 | 2018-08-14 | Oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system |
Country Status (1)
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| CN (1) | CN108827012A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577685A (en) * | 2020-05-26 | 2020-08-25 | 三门峡电熔刚玉有限责任公司 | Electric arc furnace hydraulic system control method |
| CN113217444A (en) * | 2021-04-27 | 2021-08-06 | 中国二十冶集团有限公司 | Method and system suitable for controlling action of variable frequency fan of waste heat recovery system |
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| CN101603681A (en) * | 2009-07-20 | 2009-12-16 | 成都南玻玻璃有限公司 | Fume control system of float glass melting tank afterheat boiler |
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| US20110042866A1 (en) * | 2009-08-24 | 2011-02-24 | Ipsen, Inc. | Method and Device for Conditioning Process Gases for the Heat Treatment of Metallic Work Pieces in Industrial Furnaces |
| CN202632132U (en) * | 2012-01-16 | 2012-12-26 | 中节能工业节能有限公司 | Kiln pressure and temperature stabilization system for waste heat generation of glass production line |
| CN202692686U (en) * | 2012-07-03 | 2013-01-23 | 山东国舜建设集团有限公司 | Sintering machine flue gas desulfurization constant negative pressure lead-out control device |
| CN106774101A (en) * | 2015-11-19 | 2017-05-31 | 祁艳 | A kind of pneumatic dust-free loader PLC control system |
| CN208846977U (en) * | 2018-08-14 | 2019-05-10 | 沈阳创联工业技术有限公司 | Oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system |
-
2018
- 2018-08-14 CN CN201810919481.4A patent/CN108827012A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603681A (en) * | 2009-07-20 | 2009-12-16 | 成都南玻玻璃有限公司 | Fume control system of float glass melting tank afterheat boiler |
| US20110042866A1 (en) * | 2009-08-24 | 2011-02-24 | Ipsen, Inc. | Method and Device for Conditioning Process Gases for the Heat Treatment of Metallic Work Pieces in Industrial Furnaces |
| CN101973689A (en) * | 2010-09-30 | 2011-02-16 | 天壕节能科技股份有限公司 | Smoke system for adjusting kiln pressure of glass kiln |
| CN202632132U (en) * | 2012-01-16 | 2012-12-26 | 中节能工业节能有限公司 | Kiln pressure and temperature stabilization system for waste heat generation of glass production line |
| CN202692686U (en) * | 2012-07-03 | 2013-01-23 | 山东国舜建设集团有限公司 | Sintering machine flue gas desulfurization constant negative pressure lead-out control device |
| CN106774101A (en) * | 2015-11-19 | 2017-05-31 | 祁艳 | A kind of pneumatic dust-free loader PLC control system |
| CN208846977U (en) * | 2018-08-14 | 2019-05-10 | 沈阳创联工业技术有限公司 | Oil plant flue gas of heating furnace desulfurization air-introduced machine PLC frequency-converting speed-governing control system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577685A (en) * | 2020-05-26 | 2020-08-25 | 三门峡电熔刚玉有限责任公司 | Electric arc furnace hydraulic system control method |
| CN111577685B (en) * | 2020-05-26 | 2022-03-15 | 三门峡电熔刚玉有限责任公司 | Electric arc furnace hydraulic system control method |
| CN113217444A (en) * | 2021-04-27 | 2021-08-06 | 中国二十冶集团有限公司 | Method and system suitable for controlling action of variable frequency fan of waste heat recovery system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181116 |