CN204625671U - A kind of coal gas of converter automatic switchover portfire - Google Patents
A kind of coal gas of converter automatic switchover portfire Download PDFInfo
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- CN204625671U CN204625671U CN201520286363.6U CN201520286363U CN204625671U CN 204625671 U CN204625671 U CN 204625671U CN 201520286363 U CN201520286363 U CN 201520286363U CN 204625671 U CN204625671 U CN 204625671U
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- portfire
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Abstract
A kind of coal gas of converter automatic switchover portfire, belongs to coal gas of converter and diffuses equipment technical field, diffuse the automatic switchover of portfire for coal gas of converter.Its technical scheme is: install high-altitude ignition device on diffusing chimney top, below diffusing chimney top, internal flame transferring portfire is installed in 6 meters of regions, internal flame transferring portfire is made up of igniting primer, ignition tube, connection short tube, burning torch, ignition tube and igniting primer parallel upright, ignition tube is connected with igniting primer by connecting short tube, ignition tube upper end closed, ignition tube lower end is connected with the general feed channel of rosy clouds, burning torch is connected to the lower end of igniting primer, and high-altitude ignition device and internal flame transferring portfire are switched fast by switching control.The utility model can ensure converter emission coal gas can in time, the burning of safety, reliably emptying, thoroughly solve the problem that high-altitude ignition device is not easy to safeguard, stopped CO (carbon monoxide converter) gas and directly entered the environmental pollution that air causes, met environmental requirement.
Description
Technical field
The utility model relates to a kind of switching device of coal gas of converter diffusing chimney medium-long range portfire, belongs to coal gas of converter and diffuses equipment technical field.
Background technology
In metallurgy industry, converter steelmaking process can produce a large amount of carbon monoxide toxic gas, if directly enter air, not only can cause severe contamination to environment, but also waste energy.The common practice of current metallurgy industry carries out RECOVERY OF CONVERTER GAS, but because the operational characteristic of converter smelting and coal-gas recovering technique are to features such as gas quality requirements, still having the coal gas of converter not meeting recovering condition in a large number diffuses in atmospheric environment, ignition bleeding is carried out to this part coal gas, by the harm effectively prevented the pollution of the environment and to human body.
Under dry dedusting technology condition, the form of diffusing that tradition is ripe is that high-altitude ignition diffuses, portfire is placed on diffusing chimney top, because the unsafe conditions such as flue gas and hyperthermia radiation are diffused on diffusing chimney top, when diffusing chimney igniting transposition breaks down, serviceman can not on-call maintenance online, and coal gas of converter directly can only enter air, cause very large pollution, be not suitable for current environmental requirement.
Therefore, need the portfire of inventing the automatic switchover of a kind of coal gas of converter, when high-altitude ignition device breaks down, can switch rapidly, carry out the igniting that flue gas is diffused in converter.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of coal gas of converter automatic switchover portfire, this automatic switchover portfire is when high-altitude ignition device feature breaks down, can high-altitude ignition device be switched in other portfire fast, prevent coal gas of converter from directly discharging, contaminate environment.
The technical scheme solved the problems of the technologies described above is:
A kind of coal gas of converter automatic switchover portfire, it comprises high-altitude ignition device, high-altitude ignition device is arranged on diffusing chimney top, high-altitude ignition device is connected with the mixed gas of gas chamber by mixed gas pipeline, it also increases internal flame transferring portfire and switching control, internal flame transferring portfire is arranged on region, 6 meters, below diffusing chimney top, internal flame transferring portfire is by igniting primer, ignition tube, connect short tube, burning torch forms, ignition tube and igniting primer are the long tube of parallel upright, ignition tube is connected with igniting primer by connecting short tube, ignition tube upper end closed, ignition tube lower end is connected with the general gas of rosy clouds (propylene) pipeline deriving from outer net rosy clouds general gas station, burning torch is connected to the lower end of igniting primer, in the mixed gas pipeline that high-altitude ignition device is connected with gas chamber, mixed gas by-pass valve control is installed, in the general feed channel of rosy clouds that the ignition tube of internal flame transferring portfire is connected with the general gas holder of rosy clouds, the general pneumatic control valve of rosy clouds is installed, mixed gas by-pass valve control, the general pneumatic control valve of rosy clouds is connected with switching control respectively with burning torch.
The automatic switchover portfire of above-mentioned coal gas of converter, the ignition tube of described internal flame transferring portfire, igniting primer and connect short tube and be heavy wall stainless steel tube, it is multiple for connecting short tube, and multiple connection short tube is parallel to be from top to bottom connected between ignition tube and igniting primer.
Above-mentioned coal gas of converter automatic switchover portfire, described switching control comprises Context switches device and long-range shifter, the housing of Context switches device is provided with manual instruction, there is fire instruction, drive Mixture Density Networks air valve button, close Mixture Density Networks air valve button, Kai Xiapu gas button, the general air valve button of Guan Xia, igniter button, burning torch button, drive Mixture Density Networks air valve button, close Mixture Density Networks air valve button, Kai Xiapu gas button, the general air valve button of Guan Xia, igniter button, burning torch button respectively with mixed gas by-pass valve control, the lighter for ignition of the general pneumatic control valve of rosy clouds and high-altitude ignition device, the burning torch of internal flame transferring portfire is connected, long-range shifter is connected with on-site control device.
The beneficial effects of the utility model are:
High-altitude ignition device in the utility model is proven technique, internal flame transferring portfire to be arranged on be 6 meters away from flame district with lower area, the spark lever, the ignition cable that thoroughly solve high-altitude ignition device often burn out, work-ing life is short, be not easy to the problem of maintenance, this composite ignition device can ensure opening, dead ship condition, standard state and accidental state time the converter emission coal gas that produces can in time, the burning of safety, reliably emptying, and meet the environmental requirement such as thermal radiation, noxious gas emission concentration.The utility model is successfully applied to internal flame transferring portfire in the automatic switchover portfire of coal gas of converter, high-altitude ignition and internal flame transferring ignition energy realized switching fast in 30 seconds, flue gas is diffused to converter and carries out ignition, stop CO (carbon monoxide converter) gas and directly enter the environmental pollution that air causes, for contribution has been made in environmental protection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure mark as follows: burner body 1, high-altitude ignition burner 2, high-altitude gas line 3, high-altitude ignite bar 4, thermopair 5, lighter for ignition 6, ignition tube 7, igniting primer 8, connection short tube 9, burning torch 10, diffusing chimney 11, gas chamber 12, the general gas holder 13 of rosy clouds.
Embodiment
The utility model comprises high-altitude ignition device, internal flame transferring portfire and switching control.
Show in figure, high-altitude ignition device is ripe prior art, diffuses igniting for dry-dedusting system.The model of the high-altitude ignition device that an embodiment of the present utility model adopts is FFC-A4 type.
High-altitude ignition device is made up of ignite bar 4, thermopair 5, lighter for ignition 6 of burner body 1, high-altitude ignition burner 2, high-altitude gas line 3, high-altitude.High-altitude ignition device is arranged on the top of diffusing chimney 11.The mixed gas deriving from gas chamber 12 is transferred to pilot burner 2 region through high-altitude gas line 3, lighter for ignition 6 is high voltage electric igniting form, the mixed gas that electrical spark is ignited in bar 4 firing point ignition combustor 2 by high-altitude forms pilot burner, when diffusing chimney 11 gives off the flue gas with CO, to be ignited flue gas by pilot burner.
Show in figure, internal flame transferring portfire is arranged on region, 6 meters, below diffusing chimney 11 top, and internal flame transferring portfire is made up of igniting primer 8, ignition tube 7, connection short tube 9, burning torch 10.Ignition tube 7, igniting primer 8 and connection short tube 9 are heavy wall stainless steel tube, ignition tube 7 and igniting primer 8 are the long tube of parallel upright, ignition tube 7 is connected with igniting primer 8 by connecting short tube 9, it is multiple for connecting short tube 9, and multiple connection short tube 9 is parallel to be from top to bottom connected between ignition tube 7 and igniting primer 8.Ignition tube 7 upper end closed, ignition tube 7 lower end is connected with the general gas of rosy clouds (propylene) pipeline deriving from outer net rosy clouds general gas station 13, and burning torch 10 is connected to the lower end of igniting primer 8.
The general gas of rosy clouds is transferred to by ignition tube 7 and connects short tube 9, burning torch 10 is connected with igniting primer 8, until the general gas of rosy clouds with air after mixing the several seconds in igniting primer 8, then opening point firelock 10, the general gas of rosy clouds connecting short tube 9 mouthfuls below igniting primer 8 lighted by burning torch 10, and after the rosy clouds general gas explosion combustion of below, the general gas of rosy clouds of the connection short tube 9 mouthfuls above igniting primer 8 is lighted in relay gradually, and the flame of detonation passes flame to igniting primer top by igniting primer 8, light the flue gas in pilot burner or chimney, finally complete ignition process.
In the mixed gas pipeline that the high-altitude gas line 3 of high-altitude ignition device of the present utility model is connected with gas chamber 12, mixed gas by-pass valve control is installed, be provided with the general pneumatic control valve of rosy clouds in the general feed channel of rosy clouds that the ignition tube 7 of internal flame transferring portfire is connected with the general gas holder of rosy clouds 13, the general pneumatic control valve of mixed gas by-pass valve control, rosy clouds is connected with switching control respectively with burning torch 10.
Switching control of the present utility model comprises Context switches device and long-range shifter.Context switches device is housing device, housing is provided with manual instruction, has fire instruction, drives Mixture Density Networks air valve button, closes Mixture Density Networks air valve button, Kai Xiapu gas button, the general air valve button of Guan Xia, igniter button, burning torch button.
Drive Mixture Density Networks air valve button, pass Mixture Density Networks air valve button is connected with the mixed gas by-pass valve control between gas chamber 12 with high-altitude gas line 3, when using high-altitude ignition device to light a fire, open by driving Mixture Density Networks air valve button the mixed gas by-pass valve control installed in the mixed gas pipeline that high-altitude gas line 3 is connected with gas chamber 12; When high-altitude ignition device breaks down, cut off mixed gas by-pass valve control by closing Mixture Density Networks air valve button.
Kai Xiapu gas button, Guan Xia general air valve button are connected with the general pneumatic control valve of the rosy clouds between ignition tube 7 with the general gas holder of rosy clouds 13.When needs are switched to internal flame transferring ignition device, open the general pneumatic control valve of rosy clouds between the general gas holder of rosy clouds 13 and ignition tube 7 by Kai Xiapu gas button; When being switched to high-altitude ignition device, close the general pneumatic control valve of rosy clouds by closing rosy clouds general air valve button.
Igniter button is connected with the lighter for ignition 6 of high-altitude ignition device, and burning torch button is connected with the burning torch 10 of internal flame transferring portfire, is respectively used to igniting.Instruction of catching fire connects with the thermopair 5 of high-altitude ignition device, whether successfully can detect igniting.Manual instruction display switch mode is at the scene under switching state or at long-range switching state.
Long-range shifter is connected with on-site control device.
Following three kinds of master modes can be realized by on-site control device and remote control:
Pattern 1: fight to accompany with mixed gas point and burn
First open Mixture Density Networks air valve, Mixture Density Networks air valve to be opened, after 5 ~ 10 seconds, starts initial igniter 6, close lighter for ignition 6 after 20 ~ 40 seconds meters, flame detector system set up flame timing after 60 seconds, and fire defector judges whether to light a fire successfully, if loss of ignition, close Mixture Density Networks air valve and again light a fire.
Pattern 2: with the general gas igniting of rosy clouds, companion burns with mixed gas
First open the general air valve of rosy clouds, time delay is after 5 ~ 10 seconds, opening point firelock 10, second closes burning torch 10 after meter, and flame detector system set up flame timing after 60 seconds, and fire defector judges whether to light a fire successfully, if light a fire successfully, open Mixture Density Networks air valve, if time delay after 120 seconds fire defector judge there is fire; close the general gas of rosy clouds, if without fire, close the general gas of rosy clouds and mixed gas valve is lighted a fire again.If opening point firelock 10 latter 60 seconds fire defector judge loss of ignition, directly close the general gas of rosy clouds, carry out ignition operation again.
Mode 3: fight to accompany with the general gas point of rosy clouds and burn
First open the general air valve of rosy clouds, the general air valve of rosy clouds to be opened, after 5 ~ 10 seconds, starts start-up point firelock 10, close burning torch 10 after 20 ~ 40 seconds meters, flame detector system set up flame timing after 60 seconds, and fire defector judges whether to light a fire successfully, if loss of ignition, close the general air valve of rosy clouds and again light a fire.
Claims (3)
1. a coal gas of converter automatic switchover portfire, it comprises high-altitude ignition device, high-altitude ignition device is arranged on diffusing chimney (11) top, high-altitude ignition device is connected by the mixed gas of mixed gas pipeline with gas chamber (12), it is characterized in that: it also increases internal flame transferring portfire and switching control, internal flame transferring portfire is arranged on region, 6 meters, below diffusing chimney (11) top, internal flame transferring portfire is by igniting primer (8), ignition tube (7), connect short tube (9), burning torch (10) forms, the long tube that ignition tube (7) and igniting primer (8) are parallel upright, ignition tube (7) is connected with igniting primer (8) by connecting short tube (9), ignition tube (7) upper end closed, ignition tube (7) lower end is connected with the general gas holder of rosy clouds (13) deriving from outer net rosy clouds general gas station, burning torch (10) is connected to the lower end of igniting primer (8), in the mixed gas pipeline that high-altitude ignition device is connected with gas chamber (12), mixed gas by-pass valve control is installed, in the general feed channel of rosy clouds that the ignition tube (7) of internal flame transferring portfire is connected with the general gas holder of rosy clouds (13), the general pneumatic control valve of rosy clouds is installed, mixed gas by-pass valve control, the general pneumatic control valve of rosy clouds, lighter for ignition (6) is connected with switching control respectively with burning torch (10).
2. coal gas of converter automatic switchover portfire according to claim 1, it is characterized in that: the ignition tube (7) of described internal flame transferring portfire, igniting primer (8) and connect short tube (9) and be heavy wall stainless steel tube, connect short tube (9) for multiple, multiple connection short tube (9) is parallel to be from top to bottom connected between ignition tube (7) and igniting primer (8).
3. coal gas of converter automatic switchover portfire according to claim 2, it is characterized in that: described switching control comprises Context switches device and long-range shifter, the housing of Context switches device is provided with manual instruction, there is fire instruction, drive Mixture Density Networks air valve button, close Mixture Density Networks air valve button, Kai Xiapu gas button, the general air valve button of Guan Xia, igniter button, burning torch button, drive Mixture Density Networks air valve button, close Mixture Density Networks air valve button, Kai Xiapu gas button, the general air valve button of Guan Xia, igniter button, burning torch button respectively with mixed gas by-pass valve control, the lighter for ignition (6) of the general pneumatic control valve of rosy clouds and high-altitude ignition device, the burning torch (10) of internal flame transferring portfire is connected, long-range shifter is connected with on-site control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520286363.6U CN204625671U (en) | 2015-05-06 | 2015-05-06 | A kind of coal gas of converter automatic switchover portfire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520286363.6U CN204625671U (en) | 2015-05-06 | 2015-05-06 | A kind of coal gas of converter automatic switchover portfire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204625671U true CN204625671U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520286363.6U Withdrawn - After Issue CN204625671U (en) | 2015-05-06 | 2015-05-06 | A kind of coal gas of converter automatic switchover portfire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204625671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862445A (en) * | 2015-05-06 | 2015-08-26 | 唐山钢铁集团有限责任公司 | Automatic switching and igniting device for converter gas |
-
2015
- 2015-05-06 CN CN201520286363.6U patent/CN204625671U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862445A (en) * | 2015-05-06 | 2015-08-26 | 唐山钢铁集团有限责任公司 | Automatic switching and igniting device for converter gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150909 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |