CN102679744B - System controlling cooling of oxygen top-blown smelting furnace spraying gun - Google Patents
System controlling cooling of oxygen top-blown smelting furnace spraying gun Download PDFInfo
- Publication number
- CN102679744B CN102679744B CN201110058599.0A CN201110058599A CN102679744B CN 102679744 B CN102679744 B CN 102679744B CN 201110058599 A CN201110058599 A CN 201110058599A CN 102679744 B CN102679744 B CN 102679744B
- Authority
- CN
- China
- Prior art keywords
- spray gun
- valve
- air
- spraying gun
- control
- Prior art date
- 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.)
- Active
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention provides a system controlling cooling of an oxygen top-blown smelting furnace spraying gun. The system comprises a spraying gun connected with an oil pipe and an air pipe, a fuel oil cutting-off valve controlling oil supply of the spraying gun oil pipe, a fuel oil adjusting valve controlling fuel oil flow of the spraying gun oil pipe, an air adjusting valve controlling air flow of the spraying gun air pipe, an air cutting-off valve controlling air supply of the spraying gun air pipe and a controller connected with the spraying gun, the fuel oil cutting-off valve, the fuel oil adjusting valve, the air adjusting valve and the air cutting-off valve. The controller controls the spraying gun to lift from the normal operation position, controls the fuel oil adjusting valve and the fuel oil cutting-off valve to be closed when the spraying gun is located at the ignition position, controls the air adjusting valve to increase openness to provid enough cooling air when the spraying gun is located at the burning air communication position, and controls the air adjusting valve and the air cutting-off valve to be closed when the spraying gun is located at the stopping position. The system automatically controls adjustment of valves related with the spraying gun to cool the spraying gun by judging the position of the spraying gun, improves control accuracy and prevents accidents.
Description
Technical field
The present invention relates to metallurgical processing and design field, particularly a kind of system controlling spray gun for oxygen top-blown smelting furnace cooling.
Background technology
Oxygen top blown melting is one of conventional method of non-ferrous metal metallurgy.Oxygen top-blown smelting furnace adopts the circular body of heater of the flat-top being lined with refractory brick, and spray gun inserts in stove by body of heater, and the mixture to the slag in the molten mass in stove, matte and metal sprays air, oxygen and fuel, ensures the fast reaction between raw material and oxygen.Therefore, be very important to the control of spray gun in process of production.In process of production, relevant with spray gun work is spacing to be followed successively by from top to bottom: stop position, burning wind connects position, ignition position and normal operating position.
When not using spray gun, spray gun should be promoted to and stop position and the scaling loss cooling to avoid spray gun to spray gun, extending the service life of spray gun.At present, by the raised position of personal monitoring's spray gun and the opening and closing controlling related valve to control the cooling of spray gun, control accuracy is poor, and is prone to accidents, and is therefore badly in need of improving.
Summary of the invention
Object of the present invention is intended at least solve one of above-mentioned technological deficiency, particularly proposes a kind of system of automatic control spray gun for oxygen top-blown smelting furnace cooling.
For achieving the above object, the present invention proposes a kind of system controlling spray gun for oxygen top-blown smelting furnace cooling, and comprising: spray gun, described spray gun is connected with airduct with oil pipe, control the fuel-cut valve of described spray gun oil pipe fuel feeding, control the fuel regulator valve of the fuel flow of described spray gun oil pipe, control the air control valve of the air mass flow of described spray gun airduct, control the air cutoff valve of described spray gun airduct air feed, and controller, described controller and described spray gun, described fuel-cut valve, described fuel regulator valve, described air control valve is connected with described air cutoff valve, described controller controls described spray gun and promotes from normal operating position, after described spray gun is positioned at ignition position, control described fuel regulator valve and the closedown of described fuel-cut valve, after described spray gun is positioned at burning wind connection position, the aperture controlling described air control valve increases to provide enough cooling-airs, after described spray gun is positioned at stop position, control described air control valve and the closedown of described air cutoff valve.
In one embodiment of the invention, this system also comprises: dust collecting fan, and described dust collecting fan is connected with described controller, and start after the lifting of described normal operating position at described spray gun, the rotating speed that described controller controls described dust collecting fan reduces.
In one embodiment of the invention, this system also comprises: blow down valve, described blow down valve is connected with described controller, after described spray gun is positioned at described ignition position, described controller controls described blow down valve and opens, after described spray gun is positioned at described stop position, described controller controls described blow down valve and cuts out.
In one embodiment of the invention, after described spray gun is positioned at described ignition position, the aperture that described controller also controls described air control valve reduces.
In one embodiment of the invention, described controller control described air control valve increase aperture be greater than described controller control described air control valve reduce aperture.
The present invention, by judging the position of spray gun, automatically controls the adjustment of the valve relevant to spray gun to cool spray gun, improves the precision controlled, the generation of Accident prevention.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the structural representation of the system of the control spray gun for oxygen top-blown smelting furnace cooling of the embodiment of the present invention; And
Fig. 2 is the flow chart of the method for the control spray gun for oxygen top-blown smelting furnace cooling of the embodiment of the present invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Be illustrated in figure 1 the structural representation of the system of the control spray gun for oxygen top-blown smelting furnace cooling of the embodiment of the present invention, should be understood that Fig. 1 is only the schematic diagram of system architecture, the position relationship of all parts is not limited.This system comprises: spray gun 1, fuel regulator valve 2, fuel-cut valve 3, air control valve 4, air cutoff valve 5 and controller 6.
Wherein, spray gun 1 is connected with airduct 8 (not shown) with oil pipe 7.Fuel-cut valve 3 is located on oil pipe 8, controls the fuel feeding of spray gun oil pipe 8.Fuel regulator valve 2 is also located on oil pipe 8, controls the fuel flow of spray gun oil pipe 8.Air cutoff valve 5 is located on airduct 8, controls the air feed of spray gun airduct 8.Air control valve 4 is also located on airduct 8, controls the air mass flow of spray gun airduct 8.Controller 6 is connected with air cutoff valve 5 with spray gun 1, fuel-cut valve 2, fuel regulator valve 3, air control valve 4, control spray gun 1 to promote from normal operating position, after spray gun 1 is positioned at ignition position, control fuel regulator valve 3 and fuel-cut valve 2 are closed, after spray gun 1 is positioned at burning wind connection position, the aperture controlling air control valve 4 increases to provide enough cooling-airs, and after spray gun 1 is positioned at stop position, control air control valve 4 and air cutoff valve 5 are closed.
In one embodiment of the invention, this system also comprises dust collecting fan 9.Dust collecting fan 9 is connected with oxygen top-blown smelting furnace 12 with flue 11 by waste heat boiler 10, and after spray gun 1 is positioned at ignition position, the rotating speed that controller 6 controls dust collecting fan 9 reduces, and only needs to extract the flue gas that oxygen top-blown smelting furnace produces.
In one embodiment of the invention, this system also comprises blow down valve 13.Blow down valve 13 is connected with controller 6, and after spray gun 1 is positioned at ignition position, controller 6 controls blow down valve 13 and opens and purge to prevent gun oil pipe 8 from blocking to spray gun oil pipe 8, and after spray gun 1 is positioned at and stops position, controller 6 controls blow down valve 13 and cuts out.
Be illustrated in figure 2 the flow chart of the method for the control spray gun for oxygen top-blown smelting furnace cooling of the embodiment of the present invention, in conjunction with the system of the embodiment of the present invention, the method comprises the following steps:
Step S101, controller 6 controls spray gun 1 and promotes from normal operating position.
Step S102, controller 6 judges whether spray gun 1 is positioned at ignition position.
Step S103, if controller 6 judges that spray gun 1 is positioned at ignition position, then control fuel-cut valve 3 and fuel regulator valve 4 are closed.
According to one embodiment of present invention, the rotating speed that controller 6 also controls dust collecting fan 9 reduces, and controls blow down valve 13 and opens, and the aperture controlling air control valve 4 reduces.
Step S104, controller 6 judges whether spray gun 1 is positioned at burning wind and connects position.
Step S105, if controller 6 judges that spray gun 1 is positioned at burning wind and connects position, then the aperture controlling air control valve 4 increases to cool spray gun.
According to one embodiment of present invention, the aperture that the aperture that in step S105, air control valve 4 increases reduces much larger than air control valve in step S103 4 cools spray gun 1 to provide enough cooling-airs.
Step S106, controller 6 judges whether spray gun 1 is positioned at and stops position.
Step S107, if controller 6 judges that spray gun 1 is positioned at stop position, then control air control valve 4 and air cutoff valve 5 are closed.
According to one embodiment of present invention, controller 6 also controls blow down valve 13 and cuts out.
So far, lifting and the cooling procedure of spray gun is completed.
The present invention, by judging the position of spray gun, automatically controls the adjustment of the valve relevant to spray gun to cool spray gun, improves the precision controlled, the generation of Accident prevention.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (5)
1. control a system for spray gun for oxygen top-blown smelting furnace cooling, it is characterized in that, comprising:
Spray gun, described spray gun is connected with airduct with oil pipe;
Control the fuel-cut valve of described spray gun oil pipe fuel feeding;
Control the fuel regulator valve of the fuel flow of described spray gun oil pipe;
Control the air control valve of the air mass flow of described spray gun airduct;
Control the air cutoff valve of described spray gun airduct air feed; And
Controller, described controller and described spray gun, described fuel-cut valve, described fuel regulator valve, described air control valve is connected with described air cutoff valve, described controller controls described spray gun and promotes from normal operating position, after described spray gun is positioned at ignition position, control described fuel regulator valve and the closedown of described fuel-cut valve, after described spray gun is positioned at burning wind connection position, the aperture controlling described air control valve increases to provide enough cooling-airs, after described spray gun is positioned at stop position, control described air control valve and the closedown of described air cutoff valve.
2. the system of control spray gun for oxygen top-blown smelting furnace cooling according to claim 1, it is characterized in that, also comprise: dust collecting fan, described dust collecting fan is connected with described controller, start after the lifting of described normal operating position at described spray gun, the rotating speed that described controller controls described dust collecting fan reduces.
3. the system of control spray gun for oxygen top-blown smelting furnace cooling according to claim 1, it is characterized in that, also comprise: blow down valve, described blow down valve is connected with described controller, after described spray gun is positioned at described ignition position, described controller controls described blow down valve and opens, and after described spray gun is positioned at described stop position, described controller controls described blow down valve and cuts out.
4. the system of control spray gun for oxygen top-blown smelting furnace cooling according to claim 1, is characterized in that, after described spray gun is positioned at described ignition position, the aperture that described controller also controls described air control valve reduces.
5. the system of control spray gun for oxygen top-blown smelting furnace cooling according to claim 4, is characterized in that, the aperture that described controller controls the increase of described air control valve is greater than the aperture that described controller controls the reduction of described air control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110058599.0A CN102679744B (en) | 2011-03-10 | 2011-03-10 | System controlling cooling of oxygen top-blown smelting furnace spraying gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110058599.0A CN102679744B (en) | 2011-03-10 | 2011-03-10 | System controlling cooling of oxygen top-blown smelting furnace spraying gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102679744A CN102679744A (en) | 2012-09-19 |
| CN102679744B true CN102679744B (en) | 2015-04-01 |
Family
ID=46812042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110058599.0A Active CN102679744B (en) | 2011-03-10 | 2011-03-10 | System controlling cooling of oxygen top-blown smelting furnace spraying gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102679744B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105779785B (en) * | 2016-04-20 | 2017-12-05 | 江西铜业股份有限公司 | A kind of method for realizing the key blowing out of Flash Smelting Furnace one |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201043746Y (en) * | 2006-12-30 | 2008-04-02 | 金川集团有限公司 | Oxygen oil burning gun |
| CN101348842A (en) * | 2008-08-19 | 2009-01-21 | 昆明理工大学 | Oxygen top blown smelting reduction iron manufacturing process |
| WO2010076214A1 (en) * | 2008-12-16 | 2010-07-08 | Siemens Vai Metals Technologies Gmbh & Co | Oxygen blowing lance cooled by protective gas |
| CN201561655U (en) * | 2009-11-12 | 2010-08-25 | 楚雄滇中有色金属有限责任公司 | Air supply device |
| CN202057197U (en) * | 2011-03-10 | 2011-11-30 | 中国恩菲工程技术有限公司 | System for controlling cooling of spray gun for oxygen top-blown smelting furnace |
-
2011
- 2011-03-10 CN CN201110058599.0A patent/CN102679744B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201043746Y (en) * | 2006-12-30 | 2008-04-02 | 金川集团有限公司 | Oxygen oil burning gun |
| CN101348842A (en) * | 2008-08-19 | 2009-01-21 | 昆明理工大学 | Oxygen top blown smelting reduction iron manufacturing process |
| WO2010076214A1 (en) * | 2008-12-16 | 2010-07-08 | Siemens Vai Metals Technologies Gmbh & Co | Oxygen blowing lance cooled by protective gas |
| CN201561655U (en) * | 2009-11-12 | 2010-08-25 | 楚雄滇中有色金属有限责任公司 | Air supply device |
| CN202057197U (en) * | 2011-03-10 | 2011-11-30 | 中国恩菲工程技术有限公司 | System for controlling cooling of spray gun for oxygen top-blown smelting furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102679744A (en) | 2012-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101910768B (en) | Combined burner and lance apparatus for electric arc furnaces | |
| EP2461126B1 (en) | Arc melting equipment and molten metal manufacturing method using arc melting equipment | |
| JP2014522954A (en) | Upper immersion lance | |
| WO2022001874A1 (en) | Slag-splashing fettling method | |
| CN108300831B (en) | Method for improving heat source in smelting process of dephosphorization converter | |
| CN102679744B (en) | System controlling cooling of oxygen top-blown smelting furnace spraying gun | |
| JP4350153B2 (en) | Vertical furnace and its operating method | |
| CN202057197U (en) | System for controlling cooling of spray gun for oxygen top-blown smelting furnace | |
| CN102676843B (en) | Method for controlling cooling of spray gun of oxygen top-blowing smelting furnace | |
| CN103851640A (en) | Method and equipment for treating process gas | |
| CN202074844U (en) | Ignition control system for oxygen top-blown smelting furnace | |
| CN102676839A (en) | Ignition control method for oxygen top-blowing melting furnace | |
| CN102676842B (en) | The Iganition control system of oxygen top-blown smelting furnace | |
| JP2013194942A (en) | Metal melting furnace and metal melting method | |
| JP2009079288A (en) | Vertical furnace | |
| CN201924038U (en) | Return control system of rotary furnace | |
| CN103045791A (en) | Method for increasing recovery rate of converter gas | |
| CN102679743B (en) | Control the method that spray gun for oxygen top-blown smelting furnace promotes | |
| JP2008007802A (en) | Concentrate burner, and method for operating flash smelting furnace using it | |
| CN102681446B (en) | The control method of oxygen top-blown smelting furnace burner | |
| CN102681471A (en) | Method for controlling stop of smelting | |
| CN102676840A (en) | Method for controlling start of smelting | |
| CN102676844A (en) | Method controlling spray gun of oxygen top-blown smelting furnace to descend | |
| CN102021267B (en) | Return control method of converter | |
| CN219347274U (en) | Air blast induced draft system of magnesium alloy melting furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |