CN202705391U - Off-line gas recovery device for gas cabinet of converter - Google Patents
Off-line gas recovery device for gas cabinet of converter Download PDFInfo
- Publication number
- CN202705391U CN202705391U CN2012203623388U CN201220362338U CN202705391U CN 202705391 U CN202705391 U CN 202705391U CN 2012203623388 U CN2012203623388 U CN 2012203623388U CN 201220362338 U CN201220362338 U CN 201220362338U CN 202705391 U CN202705391 U CN 202705391U
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- gas
- communicating pipe
- converter
- valve
- coal gas
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- Expired - Fee Related
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- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model provides an off-line gas recovery device for a gas cabinet of a converter. The device comprises the gas cabinet; the gas cabinet is respectively communicated with a converter gas input pipeline and a gas output pipeline; an electric dust collector and a pressure station are arranged on the gas output pipeline; a first pressure sensor is arranged on the converter gas input pipeline; the converter gas input pipeline is communicated with the gas output pipeline through a first communicating pipe; a first electric control valve and a first flow regulating valve are arranged on the first communicating pipe; the other end of a second communicating pipe is communicated with a blast furnace gas pipeline; a second electric control valve, a second flow regulating valve and a second pressure sensor are arranged on the second communicating pipe; a third pressure sensor is arranged on the first communicating pipe between the second communicating pipe and the gas output pipeline; and the pressure sensors, the electric control valves and the flow regulating valves are connected with a controller. Through the device, converter gas can be effectively recycled in the overhauling process of the gas cabinet of the converter, fuel waste is avoided, and the cost when an enterprise overhauls the gas cabinet is reduced.
Description
Technical field
The utility model relates to a kind of converter gas cabinet, specifically a kind of converter gas cabinet off-line gas recovery device.
Background technology
Each iron and steel enterprise all reclaims the coal gas of converter of converter discharging at present, substitute conventional oil and be used for heat supply or generating, thereby reach the purpose of saving the energy, pressure, flow and calorific value are constant when guaranteeing that RECOVERY OF CONVERTER GAS is utilized, need to adopt gas chamber to the coal gas of converter discharging collect, storage and constant voltage.The problems such as gas chamber can occur behind life-time service that caulking gum is aging, gas holder side plate and piston plate corrosion consist of potential safety hazard.In order thoroughly to eradicate the potential safety hazard of gas chamber; need regularly gas chamber to be overhauled; gas chamber need be shut down in the maintenance process, and the coal gas of gas chamber converter discharging between turn(a)round can be wasted, and therefore every pair of gas chamber once overhauls all and can bring larger financial loss to enterprise at present.In a single day for this reason, the turnaround of gas chamber in order to save cost, is often had a mind to prolong by especially middle-size and small-size iron and steel enterprise of each iron and steel enterprise at present, causes gas chamber for a long time with potential safety hazard, and accident to leak the coal gas occurs, consequence is with hardly imaginable.
The utility model content
The purpose of this utility model provides a kind of converter gas cabinet off-line gas recovery device; it can be shut down at converter gas cabinet and guarantee in the maintenance process that coal gas of converter can effective recycling; can not cause waste of fuel, the cost when significantly reducing enterprise's maintenance gas chamber.
The utility model for achieving the above object, be achieved through the following technical solutions: comprise gas chamber, gas chamber is communicated with coal gas of converter input channel and coal gas output channel respectively, electric precipitator and pressurizing point are set on the coal gas output channel, the first pressure transmitter is installed on the coal gas of converter input channel, between coal gas of converter input channel and the coal gas output channel by being communicated with the first communicating pipe, the first communicating pipe was upward installed the first electrically-controlled valve and first flow variable valve, the first communicating pipe between the first electrically-controlled valve and the first flow variable valve with second communicating pipe one end be connected, second communicating pipe the other end be connected with blast furnace gas pipeline, upper installation of the second communicating pipe the second electrically-controlled valve, second adjustable valve and the second pressure transmitter, upper installation of the first communicating pipe between the second communicating pipe and the coal gas output channel the 3rd pressure transmitter, the first pressure transmitter, the second pressure transmitter, the 3rd pressure transmitter, the first electrically-controlled valve, the second electrically-controlled valve, first flow variable valve and second adjustable valve all are connected with controller.On the first communicating pipe between coal gas of converter input channel and the first flow variable valve bleeder is set, diffusion valve is installed on the bleeder.Bleeder is communicated with blast furnace gas pipeline, and check valve is installed on the bleeder, and the conducting direction of check valve is to the blast furnace gas pipeline conducting by the coal gas output channel.
The utility model has the advantage of: can shut down at converter gas cabinet and guarantee in the maintenance process that coal gas of converter can effective recycling, can not cause waste of fuel, the cost when significantly reducing enterprise's maintenance gas chamber etc.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Converter gas cabinet off-line gas recovery device described in the utility model, comprise gas chamber 1, gas chamber 1 is communicated with coal gas of converter input channel 2 and coal gas output channel 3 respectively, electric precipitator 7 and pressurizing point 8 are set on the coal gas output channel 3, the first pressure transmitter 9 is installed on the coal gas of converter input channel 2, between coal gas of converter input channel 2 and the coal gas output channel 3 by being communicated with the first communicating pipe 4, the first electrically-controlled valve 5 and first flow variable valve 6 were installed on the first communicating pipe 4, the first communicating pipe 4 between the first electrically-controlled valve 5 and the first flow variable valve 6 with second communicating pipe 10 1 end be connected, second communicating pipe 10 the other end be connected with blast furnace gas pipeline 11, the second electrically-controlled valve 12 was installed on the second communicating pipe 10, second adjustable valve 13 and the second pressure transmitter 14, the 3rd pressure transmitter 15, the first pressure transmitters 9 were installed on the first communicating pipe 4 between the second communicating pipe 10 and the coal gas output channel 3, the second pressure transmitter 14, the 3rd pressure transmitter 15, the first electrically-controlled valve 5, the second electrically-controlled valve 12, first flow variable valve 6 is connected with the second adjustable valve and all is connected with controller 16.After gas chamber 1 was closed, the first electrically-controlled valve 5 was opened, and coal gas of converter enters coal gas output channel 3 through the first communicating pipe 4, was used for heat supply or generating after electric precipitator 7 dedustings, pressurizing point 8 pressurizations.Because the pressure surge during the coal gas of converter discharging is larger, if coal gas of converter not being carried out voltage stabilizing processes, can bring impact to the coal gas of converter user, therefore need the actual discharge pressure data of the coal gas of converter that monitors according to the first pressure transmitter 9, minute situation adopts blast furnace gas that its pressure is replenished: reclaim when requiring when the pressure of coal gas of converter can satisfy fully, the second electrically-controlled valve 12 is in closing condition, in proper range, the pressure datas in the coal gas output channel 3 are by 15 monitorings of the 3rd pressure transmitter with the pressure-controlling in the coal gas output channel 3 for controller 16 aperture by adjusting first flow variable valve 6; When the insufficient pressure of coal gas of converter requires to satisfy recovery, controller 16 is opened the second electrically-controlled valve 12, to interior introducing blast furnace gas of the first communicating pipe 4, pressure by blast furnace gas maintains the pressure in the coal gas output channel 3 in the proper range, controller 16 by the monitoring of the second pressure transmitter 14 second communicating pipe 10 the internal pressure data control the aperture of second adjustable valve 13, come the intake of blast furnace gas is controlled; When coal gas of converter without when discharging, the pressure data of the first pressure transmitter 9 monitorings is lower than the default threshold value of controller 16, controller 16 cuts off the first electrically-controlled valve 5 automatically, the pressure in this moment coal gas output channel 3 are all provided by blast furnace gas.The utility model can be shut down at converter gas cabinet and be guaranteed in the maintenance process that coal gas of converter can effective recycling, can not cause waste of fuel, the cost when significantly reducing enterprise's maintenance gas chamber.
The utility model for prevent when coal gas of converter discharges in a large number first communicating pipe 4 internal pressure too high, can the first communicating pipe 4 between coal gas of converter input channel 2 and first flow variable valve 6 bleeder 17 be set, diffusion valve 18 is installed on the bleeder 17.When the first communicating pipe 4, internal pressure surpassed the default safety value of diffusion valve 18, diffusion valve 18 automatic reliefs part coal gas of converter, make first communicating pipe 4 internal pressure return to below the safety value.
When the utility model discharges in a large number in order to prevent that coal gas of converter is long-time, diffusion valve 18 diffuses coal gas of converter for a long time, bleeder 17 can be communicated with blast furnace gas pipeline 11, check valve 19 is installed on the bleeder 17, and the conducting direction of check valve 19 is to blast furnace gas pipeline 11 conductings by coal gas output channel 3.The coal gas of converter that this structure can be diffused diffusion valve 18 is introduced blast furnace gas pipeline 11, prevent that a large amount of outer being discharged to of coal gas of converter from causing mishap in the air, the coal gas of converter that diffuses enters in the blast furnace gas pipeline network, by a large amount of blast furnace gas dilutions, can not exert an influence to blast furnace gas pipeline network.Check valve 19 can prevent that the pressure of blast furnace gas pipeline network inside from exerting an influence to diffusion valve 18.
Claims (3)
1. converter gas cabinet off-line gas recovery device, comprise gas chamber (1), gas chamber (1) is communicated with coal gas of converter input channel (2) and coal gas output channel (3) respectively, electric precipitator (7) and pressurizing point (8) are set on the coal gas output channel (3), it is characterized in that: upper the first pressure transmitter (9) of installing of coal gas of converter input channel (2), between coal gas of converter input channel (2) and the coal gas output channel (3) by being communicated with the first communicating pipe (4), the first communicating pipe (4) is upward installed the first electrically-controlled valve (5) and first flow variable valve (6), the first communicating pipe (4) between the first electrically-controlled valve (5) and the first flow variable valve (6) with second communicating pipe (10) one end be connected, the second communicating pipe, (10) the other end was connected with blast furnace gas pipeline (11), upper installation of the second communicating pipe (10) the second electrically-controlled valve (12), second adjustable valve (13) and the second pressure transmitter (14), upper installation of the first communicating pipe (4) between the second communicating pipe (10) and the coal gas output channel (3) the 3rd pressure transmitter (15), the first pressure transmitter (9), the second pressure transmitter (14), the 3rd pressure transmitter (15), the first electrically-controlled valve (5), the second electrically-controlled valve (12), first flow variable valve (6) is connected 13 with the second adjustable valve) all be connected with controller (16).
2. converter gas cabinet off-line gas recovery device according to claim 1, it is characterized in that: on the first communicating pipe (4) between coal gas of converter input channel (2) and the first flow variable valve (6) bleeder (17) is set, the upper diffusion valve (18) of installing of bleeder (17).
3. converter gas cabinet off-line gas recovery device according to claim 2, it is characterized in that: bleeder (17) is communicated with blast furnace gas pipeline (11), the upper check valve (19) of installing of bleeder (17), the conducting direction of check valve (19) be by the first communicating pipe (4) to blast furnace gas pipeline (11) conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203623388U CN202705391U (en) | 2012-07-25 | 2012-07-25 | Off-line gas recovery device for gas cabinet of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203623388U CN202705391U (en) | 2012-07-25 | 2012-07-25 | Off-line gas recovery device for gas cabinet of converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202705391U true CN202705391U (en) | 2013-01-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203623388U Expired - Fee Related CN202705391U (en) | 2012-07-25 | 2012-07-25 | Off-line gas recovery device for gas cabinet of converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202705391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929724A (en) * | 2018-09-17 | 2018-12-04 | 陕西黑猫焦化股份有限公司 | A kind of multitube segment difference pressure type grease platoon device |
-
2012
- 2012-07-25 CN CN2012203623388U patent/CN202705391U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929724A (en) * | 2018-09-17 | 2018-12-04 | 陕西黑猫焦化股份有限公司 | A kind of multitube segment difference pressure type grease platoon device |
| CN108929724B (en) * | 2018-09-17 | 2023-12-05 | 陕西黑猫焦化股份有限公司 | Multi-section differential pressure type oil-water continuous drainage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20170725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |