CN111577631A - Converter dust exhausting fan frequency conversion energy-saving automatic control device - Google Patents
Converter dust exhausting fan frequency conversion energy-saving automatic control device Download PDFInfo
- Publication number
- CN111577631A CN111577631A CN202010281193.8A CN202010281193A CN111577631A CN 111577631 A CN111577631 A CN 111577631A CN 202010281193 A CN202010281193 A CN 202010281193A CN 111577631 A CN111577631 A CN 111577631A
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- Prior art keywords
- stage
- converter
- speed
- control device
- smelting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/38—Removal of waste gases or dust
- C21C5/40—Offtakes or separating apparatus for converter waste gases or dust
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- 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
Abstract
The invention discloses a converter dust removal fan frequency conversion energy-saving automatic control device, which comprises an upper computer HMI, a PLC and a frequency converter which are sequentially controlled and connected, the upper computer HMI sets corresponding speed according to the smelting stage of the converter, clicks a smelting stage button appearing on the screen of the upper computer HMI to transmit a corresponding speed signal to the PLC, the PLC transmits the speed signal to the frequency converter, the frequency converter further controls the fan to switch to a corresponding speed for dedusting, the converter smelting stage comprises a furnace starting stage, a furnace preparation stage, an iron charging stage, a converter oxygen blowing stage, a slag discharging and splashing stage, a steel tapping stage and a coal gas recovery stage.
Description
Technical Field
The invention relates to a converter dust removal fan frequency conversion energy-saving automatic control device, and belongs to a frequency conversion energy-saving control method.
Background
At present, most of dust removal fans adopt a variable frequency control system, the speed of a frequency converter is adjusted by changing the position signal setting of an air channel valve, and the adjustment mode cannot truly reflect the smelting state of a converter, so that energy waste is caused.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a converter dust removal fan frequency conversion energy-saving automatic control device, and the smelting state of a converter is used as a given signal for adjusting the speed of a frequency converter, so that the waste of energy can be reduced, and the running economy of equipment is improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a converter dust exhausting fan frequency conversion energy-saving automatic control device, includes host computer HMI, PLC and the converter of control connection in proper order, host computer HMI sets for corresponding speed according to the converter smelting stage, clicks the smelting stage button that appears on the host computer HMI screen and gives PLC with corresponding speed signal in, PLC gives the converter with speed signal transmission, and the converter then controls the fan and switches to corresponding speed and removes dust, the converter smelting stage includes the start of a furnace stage, the number of furnaces prepares the stage, adds indisputable stage, converter oxygen blowing stage, slag tapping and spattering stage, tapping stage and coal gas recovery stage.
The technical scheme of the invention is further improved as follows: and the upper computer HMI is provided with a switching button in an automatic state or a manual state, and clicks the switching button to switch the automatic state or the manual state according to the stability of the smelting signal.
The technical scheme of the invention is further improved as follows: and the upper computer HMI is provided with a speed input frame, and the speed is manually input according to the smelting state when the upper computer HMI is switched to the manual state.
The technical scheme of the invention is further improved as follows: the upper computer HMI is set with the rotation speed of 1000r/min at the beginning stage of the heat, the speed of 1500 r/min at the preparation stage of the heat, the speed of 1300 r/min at the iron charging stage, the speed of 1900 r/min at the oxygen blowing stage of the converter, the speed of 1300 r/min at the slag and slag discharging and splashing stage, the speed of 1100 r/min at the steel tapping stage and the speed of 2000 r/min at the gas recovery stage.
The technical scheme of the invention is further improved as follows: the frequency converter model is ABB ACS 580.
The technical scheme of the invention is further improved as follows: the PLC is of Siemens 400 series.
Due to the adoption of the technical scheme, the invention has the technical progress that:
1. the smelting state of the converter is used as a given signal for adjusting the speed of the frequency converter, and the upper computer HMI sets different speeds according to different smelting stages, so that the energy waste can be reduced, and the running economy of equipment can be improved.
2. The invention can truly reflect the smelting state in front of the furnace, and the fan can obtain corresponding speed by clicking a corresponding smelting state button appearing on the HMI screen of the upper computer, thereby realizing the purposes of energy saving and consumption reduction.
3. According to the device, the upper computer HMI is provided with a switching button of an automatic state or a manual state, the upper computer HMI can switch the automatic state or the manual state according to the stability of smelting signals, if the smelting signals are disordered, the upper computer HMI can be switched to the manual state, and the production stability is ensured according to the manual input speed of the smelting state.
4. According to the invention, the upper computer HMI can adjust the speed of the fan on line according to the dust removal effect of the smelting stage, so that the dust removal effect of each stage of the smelting is ensured to be satisfied.
Drawings
Fig. 1 is a block diagram of the apparatus of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in figure 1, the converter dust removal fan frequency conversion energy-saving automatic control device comprises an upper computer HMI, a PLC and a frequency converter which are sequentially controlled and connected, wherein the upper computer HMI sets corresponding speed according to a converter smelting stage, the type of the frequency converter is ABB ACS580, the type of the PLC is Siemens 400 series, a smelting stage button appearing on a screen of the upper computer HMI is clicked to transmit a corresponding speed signal to the PLC, the PLC transmits the speed signal to the frequency converter, and the frequency converter further controls the fan to be switched to the corresponding speed for dust removal Slag discharging and splashing stage, tapping stage and coal gas recovery stage.
The upper computer HMI is set with the rotation speed of 1000r/min at the beginning stage of the heat, the speed of 1500 r/min at the preparation stage of the heat, the speed of 1300 r/min at the iron charging stage, the speed of 1900 r/min at the oxygen blowing stage of the converter, the speed of 1300 r/min at the slag and slag discharging and splashing stage, the speed of 1100 r/min at the steel tapping stage and the speed of 2000 r/min at the gas recovery stage.
According to the invention, the smelting state of the converter is used as a given signal for adjusting the speed of the frequency converter, the upper computer HMI sets different speeds according to different smelting stages, energy waste can be reduced, the fan can obtain corresponding speed by clicking a corresponding smelting state button appearing on the screen of the upper computer HMI, the purposes of saving energy and reducing consumption are realized, and the economical efficiency of equipment operation is improved.
The upper computer HMI is provided with a switching button of an automatic state or a manual state, the upper computer HMI can switch the automatic state or the manual state according to the stability of smelting signals, when smelting is normally carried out, the upper computer HMI is switched to the automatic state, a smelting stage button appearing on the screen of the upper computer HMI is clicked according to the smelting state to transmit corresponding speed signals to the PLC, the PLC transmits the speed signals to the frequency converter, and the frequency converter further controls the fan to be switched to the corresponding speed for dedusting; if the smelting signal is disordered, the smelting state is switched to a manual state, the corresponding speed signal is transmitted to the PLC according to the manual input speed of the smelting state, the PLC transmits the speed signal to the frequency converter, and the frequency converter further controls the fan to be switched to the corresponding speed for dedusting, so that the production stability is ensured. The upper computer HMI can adjust the fan speed on line according to the dust removal effect of the smelting stage, and the dust removal effect of each stage of smelting is ensured to be satisfied.
Claims (6)
1. The utility model provides a converter dust exhausting fan frequency conversion energy-saving automatic control device which characterized in that: the converter smelting stage comprises a heat starting stage, a heat preparing stage, an iron charging stage, a converter oxygen blowing stage, a slag discharging and splashing stage, a steel tapping stage and a coal gas recovery stage.
2. The converter dust removal fan frequency conversion energy-saving automatic control device of claim 1, characterized in that: and the upper computer HMI is provided with a switching button in an automatic state or a manual state, and clicks the switching button to switch the automatic state or the manual state according to the stability of the smelting signal.
3. The converter dust removal fan frequency conversion energy-saving automatic control device of claim 2, characterized in that: and the upper computer HMI is provided with a speed input frame, and the speed is manually input according to the smelting state when the upper computer HMI is switched to the manual state.
4. The converter dust removal fan frequency conversion energy-saving automatic control device of claim 1, characterized in that: the upper computer HMI is set with the rotation speed of 1000r/min at the beginning stage of the heat, the speed of 1500 r/min at the preparation stage of the heat, the speed of 1300 r/min at the iron charging stage, the speed of 1900 r/min at the oxygen blowing stage of the converter, the speed of 1300 r/min at the slag and slag discharging and splashing stage, the speed of 1100 r/min at the steel tapping stage and the speed of 2000 r/min at the gas recovery stage.
5. The converter dust removal fan frequency conversion energy-saving automatic control device of claim 1, characterized in that: the frequency converter model is ABB ACS 580.
6. The converter dust removal fan frequency conversion energy-saving automatic control device of claim 1, characterized in that: the PLC is of Siemens 400 series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281193.8A CN111577631A (en) | 2020-04-10 | 2020-04-10 | Converter dust exhausting fan frequency conversion energy-saving automatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281193.8A CN111577631A (en) | 2020-04-10 | 2020-04-10 | Converter dust exhausting fan frequency conversion energy-saving automatic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111577631A true CN111577631A (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010281193.8A Pending CN111577631A (en) | 2020-04-10 | 2020-04-10 | Converter dust exhausting fan frequency conversion energy-saving automatic control device |
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| Country | Link |
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| CN (1) | CN111577631A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115672918A (en) * | 2022-11-16 | 2023-02-03 | 福建鼎盛钢铁有限公司 | Dust removal energy-saving control method |
Citations (7)
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|---|---|---|---|---|
| CN201306719Y (en) * | 2008-11-24 | 2009-09-09 | 姜星 | Environmental protection and energy saving microcomputer controller for cremator |
| CN201924036U (en) * | 2010-11-25 | 2011-08-10 | 中冶东方工程技术有限公司上海分公司 | Wet dust removal device for converter |
| CN202380016U (en) * | 2011-11-12 | 2012-08-15 | 马鞍山伏斯特自控技术有限公司 | Optimized control device for recycling coal gas of converter |
| CN203224141U (en) * | 2013-04-01 | 2013-10-02 | 富阳申能固废环保再生有限公司 | Smelting flue gas automatic control system |
| CN104726634A (en) * | 2015-03-26 | 2015-06-24 | 麦格瑞冶金工程技术（北京）有限公司 | Energy saving device and energy saving method for dry dedusting fan |
| CN107779542A (en) * | 2016-08-31 | 2018-03-09 | 鞍钢股份有限公司 | A kind of method of converter fan grading control energy-saving run |
| CN108823352A (en) * | 2018-06-21 | 2018-11-16 | 中国科学院力学研究所 | A kind of converter gas dry type waste heat recycling dust-extraction unit and method |
-
2020
- 2020-04-10 CN CN202010281193.8A patent/CN111577631A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201306719Y (en) * | 2008-11-24 | 2009-09-09 | 姜星 | Environmental protection and energy saving microcomputer controller for cremator |
| CN201924036U (en) * | 2010-11-25 | 2011-08-10 | 中冶东方工程技术有限公司上海分公司 | Wet dust removal device for converter |
| CN202380016U (en) * | 2011-11-12 | 2012-08-15 | 马鞍山伏斯特自控技术有限公司 | Optimized control device for recycling coal gas of converter |
| CN203224141U (en) * | 2013-04-01 | 2013-10-02 | 富阳申能固废环保再生有限公司 | Smelting flue gas automatic control system |
| CN104726634A (en) * | 2015-03-26 | 2015-06-24 | 麦格瑞冶金工程技术（北京）有限公司 | Energy saving device and energy saving method for dry dedusting fan |
| CN107779542A (en) * | 2016-08-31 | 2018-03-09 | 鞍钢股份有限公司 | A kind of method of converter fan grading control energy-saving run |
| CN108823352A (en) * | 2018-06-21 | 2018-11-16 | 中国科学院力学研究所 | A kind of converter gas dry type waste heat recycling dust-extraction unit and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115672918A (en) * | 2022-11-16 | 2023-02-03 | 福建鼎盛钢铁有限公司 | Dust removal energy-saving control method |
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Application publication date: 20200825 |