CN214400656U - Device for oxygen enrichment of sintering combustion-supporting air - Google Patents
Device for oxygen enrichment of sintering combustion-supporting air Download PDFInfo
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- CN214400656U CN214400656U CN202120635200.XU CN202120635200U CN214400656U CN 214400656 U CN214400656 U CN 214400656U CN 202120635200 U CN202120635200 U CN 202120635200U CN 214400656 U CN214400656 U CN 214400656U
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Abstract
The utility model belongs to the technical field of oxygen-enriched sintering, in particular to a device for enriching oxygen in sintering combustion-supporting air, which comprises an oxygen pressure-reducing valve group device, an oxygen flow detection device and an oxygen mixing device which are arranged on an oxygen inlet sintering combustion-supporting air pipeline; the oxygen pressure reducing valve group device is arranged at the front ends of the oxygen flow detection device and the oxygen mixing device. The utility model provides a compact structure, the debugging is convenient, guarantees the device of the combustion-supporting wind oxygen boosting of sintering of oxygen safety.
Description
Technical Field
The utility model belongs to the technical field of the oxygen boosting sintering, especially, relate to a device of combustion-supporting wind oxygen boosting of sintering.
Background
The prior art and the defects are as follows:
as is well known, in the production of the steel industry, the oxygen enrichment during sintering can completely combust the fuel, improve the utilization rate of the fuel, reduce the solid consumption, strengthen the sintering oxidation atmosphere, increase the sintering heat of the upper layer, promote the agglomeration and mineralization of the upper layer of the sintering, and improve the strength of the upper layer of the sintering ore. Because the improvement of the surface layer sintering oxygen concentration is beneficial to accelerating the vertical sintering speed and obtaining good sintering ore yield and quality indexes, the traditional sintering combustion-supporting air oxygen enrichment method has no process detection and safety device, only uses a simple valve for control, directly adds oxygen into a combustion-supporting air pipeline, and has the advantages of labor-consuming operation and low labor safety factor.
The difficulty and significance for solving the technical problems are as follows:
therefore, based on the problems, the device for sintering combustion-supporting air oxygen enrichment, which has a compact structure and is convenient to debug and ensures oxygen safety, has important practical significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for sintering combustion-supporting air oxygen enrichment, which has compact structure, convenient debugging and oxygen safety guarantee for solving the technical problems existing in the prior art.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be:
a device for enriching oxygen in sintering combustion-supporting air comprises an oxygen pressure reducing valve group device, an oxygen flow detection device and an oxygen mixing device, wherein the oxygen pressure reducing valve group device, the oxygen flow detection device and the oxygen mixing device are arranged on a pipeline for oxygen to enter the sintering combustion-supporting air;
the oxygen pressure reducing valve group device is arranged at the front end of the oxygen flow detection device and the oxygen mixing device, and comprises a first through type filter device, a second oxygen inlet pressure transmitter display device, a third oxygen manual stop valve device, a fourth flame arrester device, a fifth oxygen pressure regulating valve device, a sixth flame arrester device, a seventh oxygen manual stop valve device, an eighth oxygen outlet pressure transmitter display device, a ninth oxygen rapid cut-off valve device, a tenth oxygen safety valve device, an eleventh oxygen check valve device and a twelfth bypass conveying device oxygen manual stop valve connected with the third oxygen manual stop valve device to the eighth oxygen outlet pressure transmitter display device in parallel, wherein the first through type filter device, the second oxygen inlet pressure transmitter display device, the third oxygen manual stop valve device, the fourth flame arrester device, the fifth oxygen pressure regulating valve device, the sixth flame arrester device, the seventh oxygen manual stop valve device, the eighth oxygen outlet pressure transmitter display device, the ninth oxygen rapid cut-off valve device, the tenth oxygen safety valve device and the eleventh oxygen check valve device are connected in parallel;
at the rear end of the oxygen pressure reducing valve group device, the oxygen flow detection device comprises a thirteenth oxygen flow regulating valve device, a fourteenth oxygen flow meter display device, a fifteenth pressure compensation device and a sixteenth temperature compensation device which are connected in sequence;
the oxygen mixing device is arranged at the rear end of the oxygen flow detection device; the oxygen mixing device comprises a seventeenth perforated pipe device sleeved outside the sintering combustion-supporting air pipeline and an eighteenth dust cover device arranged at the tail end of the sintering combustion-supporting air pipeline.
The utility model discloses can also adopt following technical scheme:
in the device for enriching oxygen in sintering combustion-supporting air, further, the device for enriching oxygen in sintering combustion-supporting air further comprises a twenty-first programmable controller PLC for receiving detection signals of the oxygen flow detection device and the oxygen pressure reduction valve group device, and the twentieth control terminal is connected with the twenty-first programmable controller PLC through a data line; and the twenty-first programmable controller PLC is respectively connected with a fifth oxygen pressure regulating valve device, an eighth oxygen pressure transmitter display device, a ninth oxygen quick cut-off valve device, a thirteenth oxygen flow regulating valve device, a fourteenth oxygen flow meter display device, a fifteenth pressure compensation device and a sixteenth temperature compensation device.
In the above device for oxygen enrichment of sintering combustion-supporting air, further, the twentieth control terminal is an industrial computer.
In the above device for oxygen enrichment of sintering combustion-supporting air, further, the rear end of the sintering combustion-supporting air pipeline is a fan, and the front end of the sintering combustion-supporting air pipeline is an ignition furnace burner.
To sum up, the utility model has the advantages of it is following and positive effect:
1. the utility model discloses in the in-process that uses, filter the impurity in with oxygen through first through type filter, the second advances oxygen pressure transmitter display device and gives programmable controller with pressure detection signaling, programmable controller sends the pressure value for control terminal to do pressure display afterwards, manual control opens the manual stop valve of third oxygen and sends into fifth oxygen pressure regulating valve entry end with oxygen, the pressure value in control terminal input oxygen gets into the combustion-supporting air duct of sintering afterwards, control terminal sends the pressure value for programmable controller afterwards, programmable controller forwards the pressure value signal for fifth oxygen pressure regulating valve potentiometre binding post afterwards, fifth oxygen pressure regulating valve is opened to trigger signal pressing force setting value afterwards. And then the eighth oxygen pressure transmitter sends the pressure value to the programmable controller, and then the programmable controller sends the pressure value to the control terminal for pressure display. And then, inputting a flow value of oxygen entering a sintering combustion-supporting air pipeline at the control terminal, sending the flow value to the programmable controller by the control terminal, forwarding a flow value signal to a thirteenth oxygen flow regulating valve potentiometer connecting terminal by the programmable controller, and then triggering a signal to open the thirteenth oxygen flow regulating valve according to a flow set value. And then the fourteenth oxygen flowmeter sends the flow value to the programmable controller, and then the programmable controller sends the flow value to the control terminal for flow display. When the pressure reducing valve bank needs to be overhauled and maintained, the third oxygen manual stop valve device is closed, and then the twelfth bypass conveying device oxygen manual stop valve is opened to bypass and supply oxygen to the nineteenth sintering combustion-supporting air pipeline; and acquiring and detecting the real-time pressure of the oxygen in the oxygen pipeline by using a fifteenth pressure compensation device, acquiring and detecting the real-time temperature of the oxygen in the oxygen pipeline by using a sixteenth temperature compensation device, and sending acquired data to the programmable controller for auxiliary calculation of a flow value of a fourteenth oxygen flowmeter. The fire arrestor can cut off the fire source when the fire source exists, the ninth oxygen quick cut-off valve device can quickly cut off the oxygen input within 3-5 seconds, the check valve can prevent gas from flowing backwards, and the safety valve can timely discharge pressure when the pressure is over-pressure, so that the equipment in front of the valve can be protected.
2. The utility model is used for increasing the combustion-supporting wind oxygen content of sintering and improving the coal gas combustion value, will contain the iron ore bed of material and prepare into the sintering deposit, the device has adopted "manifold block" mode, and the design is more reasonable, compact structure, characteristics such as debugging convenience. Structurally designed valve front valve back spark arrester and check valve, the spark arrester mainly protects valve front valve back equipment, can cut off the fire source when having the fire source. The check valve can prevent gas from flowing backwards, and the safety valve can discharge pressure in time when overpressure occurs, so that equipment in front of the valve can be protected. Satisfy through the pressure regulating of pressure regulating valves group and reduce to outlet pressure from inlet pressure to detect out pressure by outlet pressure transmitter and feed back to the general cabinet of programmable controller, send the locator on the signal of telecommunication for pressure regulating valve by the general cabinet again, by the locator control valve aperture again, programmable controller can carry out automatic settlement regulation according to the required pressure of customer, and the manual stop valve of twelfth bypass conveyor oxygen is designed to additional bypass, uses when the trunk line governing valve is maintained and is overhauld.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a block diagram of a preferred embodiment of the present invention;
in the figure:
1. a first straight-through type filter device, 2, a second oxygen inlet pressure transmitter display device, 3, a third oxygen manual stop valve device, 4, a fourth flame arrester device, 5, a fifth oxygen pressure regulating valve device, 6, a sixth flame arrester device, 7, a seventh oxygen manual stop valve device, 8, an eighth oxygen outlet pressure transmitter display device, 9, a ninth oxygen rapid stop valve device, 10, a tenth oxygen safety valve device, 11, an eleventh oxygen check valve device, 12, a twelfth bypass conveying device, an oxygen manual stop valve, 13, a thirteenth oxygen flow regulating valve device, 14, a fourteenth oxygen flow meter display device, 15, a fifteenth pressure compensating device, 16, a sixteenth temperature compensating device, 17, a seventeenth porous pipe device, 18, an eighteenth dust cover device, 19, a sintering combustion-supporting air pipeline, 20 and a twentieth control terminal, 21. a twenty-first programmable controller PLC.
Detailed Description
The present invention will be described in detail with reference to fig. 1.
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:
the first embodiment is as follows:
a device for enriching oxygen in sintering combustion-supporting air comprises an oxygen pressure-reducing valve group device, an oxygen flow detection device and an oxygen mixing device, wherein the oxygen pressure-reducing valve group device, the oxygen flow detection device and the oxygen mixing device are arranged on an oxygen inlet sintering combustion-supporting air pipeline 19;
the oxygen pressure reducing valve group device is arranged at the front end of the oxygen flow detection device and the oxygen mixing device, and comprises a first through type filter device 1, a second oxygen inlet pressure transmitter display device 2, a third oxygen manual stop valve device 3, a fourth flame arrester device 4, a fifth oxygen pressure regulating valve device 5, a sixth flame arrester device 6, a seventh oxygen manual stop valve device 7, an eighth oxygen outlet pressure transmitter display device 8, a ninth oxygen rapid stop valve device 9, a tenth oxygen safety valve device 10 and an eleventh oxygen check valve device 11 which are sequentially connected, and a twelfth bypass conveying device oxygen manual stop valve 12 connected with the third oxygen manual stop valve device 3 to the eighth oxygen outlet pressure transmitter display device 8 in parallel;
at the rear end of the oxygen pressure reducing valve group device, the oxygen flow detection device comprises a thirteenth oxygen flow regulating valve device 13, a fourteenth oxygen flow meter display device 14, a fifteenth pressure compensation device 15 and a sixteenth temperature compensation device 16 which are connected in sequence;
the oxygen mixing device is arranged at the rear end of the oxygen flow detection device; the oxygen mixing device comprises a seventeenth perforated pipe device 17 sleeved outside the sintering combustion-supporting air pipeline 19 and an eighteenth dustproof cover device 18 arranged at the tail end of the sintering combustion-supporting air pipeline 19.
The device for enriching the oxygen in the sintering combustion-supporting air further comprises a twenty-first programmable controller PLC21 for receiving detection signals of the oxygen flow detection device and the oxygen pressure reducing valve group device, and a twentieth control terminal 20 is connected with a twenty-first programmable controller PLC21 through a data line; the twenty-first programmable controller PLC21 is respectively connected with the fifth oxygen pressure regulating valve device 5, the eighth oxygen pressure transmitter display device 8, the ninth oxygen rapid cut-off valve device 9, the thirteenth oxygen flow regulating valve device 13, the fourteenth oxygen flow meter display device 14, the fifteenth pressure compensating device 15 and the sixteenth temperature compensating device 16.
And the twentieth control terminal is an industrial computer.
The rear end of the sintering combustion-supporting air pipeline 19 is a fan, and the front end of the sintering combustion-supporting air pipeline 19 is an ignition furnace burner.
The working principle is as follows: the oxygen filters impurities in the oxygen through the first straight-through type filter, the second oxygen inlet pressure transmitter sends a pressure detection signal to the programmable controller, then the programmable controller sends a pressure value to the control terminal for pressure display, the third manual control opens the oxygen manual stop valve to send the oxygen into the inlet end of the fifth oxygen pressure regulating valve, then the oxygen is input into a pressure value in a sintering combustion-supporting air pipeline at the control terminal, then the control terminal sends the pressure value to the programmable controller, then the programmable controller forwards the pressure value signal to the connecting terminal of the potentiometer of the fifth oxygen pressure regulating valve, and then the fifth oxygen pressure regulating valve is opened by triggering a signal pressing force set value. And then the eighth oxygen pressure transmitter sends the pressure value to the programmable controller, and then the programmable controller sends the pressure value to the control terminal for pressure display. And then, inputting a flow value of oxygen entering a sintering combustion-supporting air pipeline at the control terminal, sending the flow value to the programmable controller by the control terminal, forwarding a flow value signal to a thirteenth oxygen flow regulating valve potentiometer connecting terminal by the programmable controller, and then triggering a signal to open the thirteenth oxygen flow regulating valve according to a flow set value. And then the fourteenth oxygen flowmeter sends the flow value to the programmable controller, and then the programmable controller sends the flow value to the control terminal for pressure display. The flame arrestor may cut off the source of fire when the source of fire is present. The check valve can prevent gas from flowing backwards, and the safety valve can discharge pressure in time when overpressure occurs, so that equipment in front of the valve can be protected. The utility model discloses compact structure, the debugging is convenient, guarantees the combustion-supporting wind pipeline of joining sintering of oxygen safety.
To sum up, the utility model provides a compact structure, the debugging is convenient, guarantees the device of the combustion-supporting wind oxygen boosting of sintering of oxygen safety.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (4)
1. The utility model provides a device of combustion-supporting wind oxygen boosting of sintering which characterized in that: the device for enriching the oxygen in the sintering combustion-supporting air comprises an oxygen pressure reducing valve group device, an oxygen flow detection device and an oxygen mixing device which are arranged on a pipeline for oxygen to enter the sintering combustion-supporting air;
the oxygen pressure reducing valve group device is arranged at the front end of the oxygen flow detection device and the oxygen mixing device, and comprises a first through type filter device, a second oxygen inlet pressure transmitter display device, a third oxygen manual stop valve device, a fourth flame arrester device, a fifth oxygen pressure regulating valve device, a sixth flame arrester device, a seventh oxygen manual stop valve device, an eighth oxygen outlet pressure transmitter display device, a ninth oxygen rapid cut-off valve device, a tenth oxygen safety valve device, an eleventh oxygen check valve device and a twelfth bypass conveying device oxygen manual stop valve connected with the third oxygen manual stop valve device to the eighth oxygen outlet pressure transmitter display device in parallel, wherein the first through type filter device, the second oxygen inlet pressure transmitter display device, the third oxygen manual stop valve device, the fourth flame arrester device, the fifth oxygen pressure regulating valve device, the sixth flame arrester device, the seventh oxygen manual stop valve device, the eighth oxygen outlet pressure transmitter display device, the ninth oxygen rapid cut-off valve device, the tenth oxygen safety valve device and the eleventh oxygen check valve device are connected in parallel;
at the rear end of the oxygen pressure reducing valve group device, the oxygen flow detection device comprises a thirteenth oxygen flow regulating valve device, a fourteenth oxygen flow meter display device, a fifteenth pressure compensation device and a sixteenth temperature compensation device which are connected in sequence;
the oxygen mixing device is arranged at the rear end of the oxygen flow detection device; the oxygen mixing device comprises a seventeenth perforated pipe device sleeved outside the sintering combustion-supporting air pipeline and an eighteenth dust cover device arranged at the tail end of the sintering combustion-supporting air pipeline.
2. The oxygen enrichment device for sintering combustion-supporting air according to claim 1, characterized in that: the device for oxygen enrichment of the sintering combustion-supporting air further comprises a twenty-first programmable controller PLC, wherein the twenty-first programmable controller PLC is used for receiving detection signals of the oxygen flow detection device and the oxygen pressure reducing valve group device, and a twentieth control terminal is connected with the twenty-first programmable controller PLC through a data line; and the twenty-first programmable controller PLC is respectively connected with a fifth oxygen pressure regulating valve device, an eighth oxygen pressure transmitter display device, a ninth oxygen quick cut-off valve device, a thirteenth oxygen flow regulating valve device, a fourteenth oxygen flow meter display device, a fifteenth pressure compensation device and a sixteenth temperature compensation device.
3. The oxygen enrichment device for sintering combustion-supporting air according to claim 2, characterized in that: and the twentieth control terminal is an industrial computer.
4. The oxygen enrichment device for sintering combustion-supporting air according to claim 1, characterized in that: the rear end of the sintering combustion-supporting air pipeline is a fan, and the front end of the sintering combustion-supporting air pipeline is an ignition furnace burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120635200.XU CN214400656U (en) | 2021-03-29 | 2021-03-29 | Device for oxygen enrichment of sintering combustion-supporting air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120635200.XU CN214400656U (en) | 2021-03-29 | 2021-03-29 | Device for oxygen enrichment of sintering combustion-supporting air |
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| Publication Number | Publication Date |
|---|---|
| CN214400656U true CN214400656U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120635200.XU Active CN214400656U (en) | 2021-03-29 | 2021-03-29 | Device for oxygen enrichment of sintering combustion-supporting air |
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| Country | Link |
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| CN (1) | CN214400656U (en) |
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2021
- 2021-03-29 CN CN202120635200.XU patent/CN214400656U/en active Active
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