CN103396812A - Flue gas rapid cut-off device for coal charging cars and operating method of flue gas rapid cut-off device - Google Patents
Flue gas rapid cut-off device for coal charging cars and operating method of flue gas rapid cut-off device Download PDFInfo
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- CN103396812A CN103396812A CN2013103344020A CN201310334402A CN103396812A CN 103396812 A CN103396812 A CN 103396812A CN 2013103344020 A CN2013103344020 A CN 2013103344020A CN 201310334402 A CN201310334402 A CN 201310334402A CN 103396812 A CN103396812 A CN 103396812A
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- dedusting
- flue gas
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Abstract
The invention relates to a flue gas rapid cut-off device for coal charging cars. The flue gas rapid cut-off device comprises a first dedusting pipeline which is communicated with a coal charging car, a second dedusting pipeling which is communicated with a main dedusting pipeline, and a drive unit. The first dedusting pipeline is vertical to the second dedusting pipeline, and the first dedusting pipeline and the second dedusting pipeline are communicated; an end of the first dedusting pipeline is provided with a diffusing cover; a flue gas cut-off damper is arranged on a pipe wall in the second dedusting pipline, wherein the pipe wall is vertical to the first dedusting pipeline; and the diffusing cover and the flue gas cut-off damper are linkedly connected by the drive unit. A driving telescopic hydraulic cylinder and a solenoid valve are employed in the flue gas rapid cut-off device to increase security and stability of dedusting systems; to ensure that a dedusting secondary pipeline is unblocked under normal circumstances; and to cut off the dedusting secondary pipeline rapidly by the flue gas cut-off damper under emergency circumstances. When regular production is required, the solenoid valve is provided with electricity, and then the flue gas cut-off damper and the diffusing cover are reset by a push rod of the driving telescopic hydraulic cylinder, so that production requirements are met.
Description
Technical field
The present invention relates to a kind of coal charger flue gas quick cutting device and method of work thereof, belong to the technical field of top charging coke flue gas safety dumping.
Technical background
In top charging coke coking is produced, coal charger can produce a large amount of flue gases when carrying out the top coaling operation, part of smoke enters effuser by upcast and is recovered processing, another part flue gas can be overflowed from coal port, by near the cleaning shaft that is arranged in coal port, converges to dust collection for charging one submain by each arm under the effect of dedusting fan suction.One submain top is three-port structure, and during normal operation, the lid that diffuses at top is in closing condition, and flue gas enters the dedusting house steward through two submains through the coal charging car-dedusting guide pin bushing, enters finally fly-ash separator and filters, and waste gas is discharged by chimney.
This structure can meet service requirements when normal production, be provided with bleeding device when in case of emergency.It is power that bleeding device relies on energy storage storage liquid pressure, and personnel control by bridge operation.If while running into the burst power failure in coal charger coaling operation process, at first the Controlling System that coal charger carries can complete the homing action of inner sleeve, overcoat, bell, and then carry out the action that the dedusting guide pin bushing reclaims, diffusion valve is opened.Find in actual application, the homing action of the stored pressure inner sleeve of energy storage, overcoat, bell all can not be completed, therefore can't realize flue gas is effectively cut off.When meeting dedusting fan fault jumping electricity or can't reach fast state, coal charger operates without any protective dust-removal system.Above two kinds in emergency circumstances can cause a large amount of flue gases to focus in dedusting one submain, two submains and dedusting house steward, if entrained air reached the flue gas explosion limit can cause heavy explosion this moment, hazardness is very big.
At present, avoid the in emergency circumstances blast of cleaning shaft without effective means.
Summary of the invention
, for the deficiencies in the prior art, the invention provides a kind of coal charger flue gas quick cutting device.The present invention can realize in case of emergency the quick acting switching-off to flue gas (dedusting) pipeline, the danger of having avoided coal loading dedust system to blast fully.
The present invention also provides a kind of method of work of above-mentioned coal charger flue gas quick cutting device.
Technical program of the present invention lies in:
A kind of coal charger flue gas quick cutting device, comprise dedusting the first pipeline that is connected with coal charger, the dedusting second pipe and the drive unit that are connected with the dedusting house steward, described dedusting the first pipeline and dedusting second pipe vertical connection arrange, be provided with and diffuse lid at the end of described dedusting the first pipeline, be provided with flue gas on tube wall perpendicular to described dedusting the first pipeline in the dedusting second pipe and cut off flashboard, describedly diffuse lid and flue gas cut-out flashboard is connected by drive unit:
When described flue gas cuts off flashboard to upset in the dedusting second pipe, while blocking described dedusting second pipe, described flue gas cuts off that the flashboard interlock is describedly diffused outwards upset of lid, the described lid that diffuses separates with the end of dedusting the first pipeline;
Overturn outside the dedusting second pipe when described flue gas cuts off flashboard, neat when closed with described dedusting second pipe outer wall punching, described flue gas cut off the flashboard interlock described diffuse lid to dedusting the first pipe end upset, it is described that to diffuse lid closed with the end of dedusting the first pipeline.
Preferred according to the present invention, described dedusting second pipe integral body is L shaped, comprises the second position that the first position, position, turning and the dedusting house steward that are connected with dedusting the first pipeline are connected, and position, described turning comprises scarp, upper end and scarp, lower end.
Preferred according to the present invention, described drive unit comprises driving telescopic hydraulic cylinder, push rod, support, first connecting rod and second connecting rod, described driving telescopic hydraulic cylinder is arranged on scarp, described upper end, the drive end of described driving telescopic hydraulic cylinder is connected by axle with described push rod, and the end of described push rod cuts off flashboard with described flue gas and is connected by axle; Be fixedly installed bearing on described dedusting secondary pipeline, be provided with the first connecting rod and the second connecting rod that are mutually permanently connected on described bearing, described first connecting rod and second connecting rod all rich described bearing rotate, the end of described first connecting rod is connected with the described lid that diffuses, the end of described second connecting rod cuts off flashboard with described flue gas and is connected, and described driving telescopic hydraulic cylinder is flexible by solenoid control.
Preferred according to the present invention, the fixed angle between described first connecting rod and second connecting rod is 120 °.
Preferred according to the present invention, the end of a pipeline of described dedusting is horizontal by 60 ° of angles, and the described end that covers by a pipeline of coupling shaft and described dedusting that diffuses is connected, and described first connecting rod is connected with the described lid that diffuses by chute.
Preferred according to the present invention, when cutting off flashboard, described flue gas overturns in the dedusting second pipe, and described flue gas cuts off flashboard and sets up on scarp, described lower end, to block described dedusting second pipe.
Preferred according to the present invention, an end that cuts off flashboard at described flue gas is provided with balancing weight.
A kind of method of work of above-mentioned coal charger flue gas quick cutting device comprises that step is as follows:
(1) when the dedusting fan that is connected with the dedusting house steward works, described magnetic valve obtains electric, driving telescopic hydraulic cylinder stretches out all the time, the interlock flue gas cuts off flashboard and described dedusting second pipe outer wall rushes neat closure, diffuses lid and dedusting the first pipe end closure, makes flue gas enter the dedusting house steward along dedusting the first pipeline, dedusting second pipe;
(2) when running into power failure or dedusting fan without high speed signal, described magnetic valve dead electricity, the driving telescopic hydraulic cylinder is retracted, the interlock flue gas cut off flashboard to upset in the dedusting second pipe, block described dedusting second pipe, describedly diffuse outwards upset of lid, with the end of dedusting the first pipeline, separate, flue gas is discharged along dedusting the first pipe end.
Beneficial effect of the present invention
1, the present invention adopts and drives telescopic hydraulic cylinder and magnetic valve, improve the safety and stability of dust-removal system, guarantee under normal circumstances the unimpeded of dedusting secondary pipeline, realize that in emergency circumstances flue gas cuts off flashboard quick acting switching-off dedusting secondary pipeline, because cutting off flashboard, flue gas is provided with balancing weight, through overtesting, even hydraulic efficiency system is without pressure, described flue gas cuts off flashboard also can realize free-falling to the off-position flue gas, realizes diffusing simultaneously automatically opening of lid.When needs were normally produced, magnetic valve obtained electric, and described driving telescopic hydraulic cylinder namely cuts off flashboard with flue gas and diffuses lid by push rod and resets, and meets production requirement.
2, in the present invention, described flue gas cuts off flashboard and diffuses lid and is fixedly connected, and the setting that reduces propulsion source is controlled in the realization interlock, uses the flue gas cut-out to diffuse simultaneously and carry out with flue gas, avoids the rising of flue gas pressures.
3, in the present invention, pipe end of described dedusting is designed to the diagonal cut joint form, has reduced to diffuse lid and complete needed angle while opening, and improving to diffuse affects speed Decrease of discharge lid and open resistance.
4, the present invention adopts hydrostatic control to improve the level of automation of system, improves the controlling efficiency to flue gas (dedusting) system after interlocking with the dedusting fan high speed signal.
Description of drawings
Fig. 1 is structural representation of the present invention, the schematic diagram when the dedusting fan that is connected with the dedusting house steward works;
Fig. 2 is structural representation of the present invention, the schematic diagram when running into power failure or dedusting fan without high speed signal;
In Fig. 1-2,1, flue gas cuts off flashboard, 2, drive telescopic hydraulic cylinder, 3, push rod, 4, bearing, 5, dedusting secondary pipeline, 6, diffuse lid, 7, pipeline of dedusting, 8, first connecting rod, 9, second connecting rod; 10, the first position of second pipe; 11, position, turning; 12, the second position of second pipe; 13, the scarp, upper end at position, turning; 14, the scarp, lower end at position, turning; 15, coupling shaft; 16, chute.
Embodiment
Below in conjunction with embodiment and Figure of description, the present invention is described in detail, but is not limited to this.
A kind of coal charger flue gas quick cutting device, comprise dedusting the first pipeline 7 that is connected with coal charger, dedusting second pipe 5 and the drive unit that is connected with the dedusting house steward, described dedusting the first pipeline 7 and the 5 vertical connection settings of dedusting second pipe, be provided with to diffuse at the end of described dedusting the first pipeline 7 and cover 6, be provided with flue gas on tube wall perpendicular to described dedusting the first pipeline 7 in dedusting second pipe 5 and cut off flashboard 1, described diffuse cover 6 and flue gas cut-out flashboard 1 be connected by drive unit:
When described flue gas cuts off flashboard 1 to the interior upset of dedusting second pipe 5, while blocking described dedusting second pipe 5, described flue gas cut off flashboard 1 interlock described diffuse cover 6 outwards overturn, described diffusing cover 6 and separate with the end of dedusting the first pipeline 7;
When described flue gas cuts off flashboard 1 to the outer upset of dedusting second pipe 5, neat when closed with the 5 outer walls punchings of described dedusting second pipe, described flue gas cuts off described the diffusing of flashboard 1 interlock and cover 6 and cover 6 and the end closure of dedusting the first pipeline 7 to dedusting the first pipeline 7 ends upsets, described diffusing.
Described dedusting second pipe 5 integral body are L shaped, comprise the second position 12 that the first position 10, position, turning 11 and the dedusting house steward that are connected with dedusting the first pipeline 7 are connected, and position, described turning 11 comprises scarp, upper end 13 and scarp, lower end 14.
Described drive unit comprises driving telescopic hydraulic cylinder 2, push rod 3, support 4, first connecting rod 8 and second connecting rod 9, described driving telescopic hydraulic cylinder 2 is arranged on scarp, described upper end 13, the drive end of described driving telescopic hydraulic cylinder 2 is connected by axle with described push rod 3, and the end of described push rod 3 cuts off flashboard 1 with described flue gas and is connected by axle; Be fixedly installed bearing 4 on described dedusting secondary pipeline 5, be provided with the first connecting rod 8 and the second connecting rod 9 that are mutually permanently connected on described bearing 4, described first connecting rod 8 and all rich described bearing 4 rotations of second connecting rod 9, the end of described first connecting rod 8 covers 6 and is connected with described diffusing, the end of described second connecting rod 9 cuts off flashboard 1 with described flue gas and is connected, and described driving telescopic hydraulic cylinder 2 is flexible by solenoid control.
Fixed angle between described first connecting rod 8 and second connecting rod 9 is 120 °.
A kind of coal charger flue gas quick cutting device as described in Example 1, its difference is, the end of a pipeline 7 of described dedusting is horizontal by 60 ° of angles, described diffusing covered 6 ends by a pipeline 7 of coupling shaft 15 and described dedusting and is connected, and described first connecting rod 8 covers 6 and is connected with described diffusing by chute 16.
Embodiment 3,
A kind of coal charger flue gas quick cutting device as described in Example 1, its difference is, when described flue gas cuts off flashboard 1 to the interior upset of dedusting second pipe 5, described flue gas cuts off flashboard 1 and sets up on scarp, described lower end 14, to block described dedusting second pipe 5.
A kind of coal charger flue gas quick cutting device as described in Example 1, its difference be, an end that cuts off flashboard 1 at described flue gas is provided with balancing weight.
A kind of method of work as coal charger flue gas quick cutting device as described in embodiment 1-4 comprises that step is as follows:
(1) when the dedusting fan that is connected with the dedusting house steward works, described magnetic valve obtains electric, driving telescopic hydraulic cylinder 2 stretches out all the time, the interlock flue gas cut off flashboard 1 and described dedusting second pipe 5 the outer walls punching neat closed, diffuse cover 6 with dedusting the first pipeline 7 ends closures, make flue gas enter the dedusting house steward along dedusting the first pipeline 7, dedusting second pipe 5;
(2) when running into power failure or dedusting fan without high speed signal, described magnetic valve dead electricity, driving telescopic hydraulic cylinder 2 retracts, the interlock flue gas cut off flashboard 1 to the interior upset of dedusting second pipe 5, block described dedusting second pipe 5, described diffusing cover 6 outwards upsets, with the end of dedusting the first pipeline 7, separated, and makes flue gas along dedusting the first pipeline 7 ends discharges.
Claims (8)
1. coal charger flue gas quick cutting device, it is characterized in that, this device comprises dedusting the first pipeline that is connected with coal charger, the dedusting second pipe and the drive unit that are connected with the dedusting house steward, described dedusting the first pipeline and dedusting second pipe vertical connection arrange, be provided with and diffuse lid at the end of described dedusting the first pipeline, be provided with flue gas on tube wall perpendicular to described dedusting the first pipeline in the dedusting second pipe and cut off flashboard, describedly diffuse lid and flue gas cut-out flashboard is connected by drive unit:
When described flue gas cuts off flashboard to upset in the dedusting second pipe, while blocking described dedusting second pipe, described flue gas cuts off that the flashboard interlock is describedly diffused outwards upset of lid, the described lid that diffuses separates with the end of dedusting the first pipeline;
Overturn outside the dedusting second pipe when described flue gas cuts off flashboard, neat when closed with described dedusting second pipe outer wall punching, described flue gas cut off the flashboard interlock described diffuse lid to dedusting the first pipe end upset, it is described that to diffuse lid closed with the end of dedusting the first pipeline.
2. a kind of coal charger flue gas quick cutting device according to claim 1, it is characterized in that, described dedusting second pipe integral body is L shaped, comprise the second position that the first position, position, turning and the dedusting house steward that are connected with dedusting the first pipeline are connected, position, described turning comprises scarp, upper end and scarp, lower end.
3. a kind of coal charger flue gas quick cutting device according to claim 1, it is characterized in that, described drive unit comprises driving telescopic hydraulic cylinder, push rod, support, first connecting rod and second connecting rod, described driving telescopic hydraulic cylinder is arranged on scarp, described upper end, the drive end of described driving telescopic hydraulic cylinder is connected by axle with described push rod, and the end of described push rod cuts off flashboard with described flue gas and is connected by axle; Be fixedly installed bearing on described dedusting secondary pipeline, be provided with the first connecting rod and the second connecting rod that are mutually permanently connected on described bearing, described first connecting rod and second connecting rod all rich described bearing rotate, the end of described first connecting rod is connected with the described lid that diffuses, the end of described second connecting rod cuts off flashboard with described flue gas and is connected, and described driving telescopic hydraulic cylinder is flexible by solenoid control.
4. a kind of coal charger flue gas quick cutting device according to claim 3, is characterized in that, the fixed angle between described first connecting rod and second connecting rod is 120 °.
5. a kind of coal charger flue gas quick cutting device according to claim 1, it is characterized in that, the end of a pipeline of described dedusting is horizontal by 60 ° of angles, the described end that covers by a pipeline of coupling shaft and described dedusting that diffuses is connected, and described first connecting rod is connected with the described lid that diffuses by chute.
6. a kind of coal charger flue gas quick cutting device according to claim 2, it is characterized in that, overturn in the dedusting second pipe when described flue gas cuts off flashboard, described flue gas cuts off flashboard and sets up on scarp, described lower end, to block described dedusting second pipe.
7. a kind of coal charger flue gas quick cutting device according to claim 1, is characterized in that, an end that cuts off flashboard at described flue gas is provided with balancing weight.
8. method of work as coal charger flue gas quick cutting device as described in claim 1-7 comprises that step is as follows:
(1) when the dedusting fan that is connected with the dedusting house steward works, described magnetic valve obtains electric, driving telescopic hydraulic cylinder stretches out all the time, the interlock flue gas cuts off flashboard and described dedusting second pipe outer wall rushes neat closure, diffuses lid and dedusting the first pipe end closure, makes flue gas enter the dedusting house steward along dedusting the first pipeline, dedusting second pipe;
(2) when running into power failure or dedusting fan without high speed signal, described magnetic valve dead electricity, the driving telescopic hydraulic cylinder is retracted, the interlock flue gas cut off flashboard to upset in the dedusting second pipe, block described dedusting second pipe, describedly diffuse outwards upset of lid, with the end of dedusting the first pipeline, separate, flue gas is discharged along dedusting the first pipe end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310334402.0A CN103396812B (en) | 2013-08-02 | 2013-08-02 | Flue gas rapid cut-off device for coal charging cars and operating method of flue gas rapid cut-off device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310334402.0A CN103396812B (en) | 2013-08-02 | 2013-08-02 | Flue gas rapid cut-off device for coal charging cars and operating method of flue gas rapid cut-off device |
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| CN103396812A true CN103396812A (en) | 2013-11-20 |
| CN103396812B CN103396812B (en) | 2015-06-10 |
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| CN201310334402.0A Active CN103396812B (en) | 2013-08-02 | 2013-08-02 | Flue gas rapid cut-off device for coal charging cars and operating method of flue gas rapid cut-off device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105647550A (en) * | 2016-02-05 | 2016-06-08 | 山东钢铁股份有限公司 | Protecting device for dust removal system of coal charging car |
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| KR100447600B1 (en) * | 2003-04-10 | 2004-09-07 | 주식회사 포스코 | An apparatus for sealing drop sleeve of charging car |
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| CN201952392U (en) * | 2011-01-26 | 2011-08-31 | 安徽威达环保科技股份有限公司 | Comprehensive dust-removal system for discharging coke and charging coal of coke oven |
| CN202705305U (en) * | 2012-07-23 | 2013-01-30 | 大连华锐重工集团股份有限公司 | Coke oven machine side dust removal device with ground dust removal station |
| CN203393099U (en) * | 2013-08-02 | 2014-01-15 | 莱芜钢铁集团有限公司 | Quick smoke cut-off device for coal charging car |
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2013
- 2013-08-02 CN CN201310334402.0A patent/CN103396812B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3767536A (en) * | 1970-11-04 | 1973-10-23 | Sumikin Coke Co Ltd | Dust collecting system in a coal charging operation for coke ovens |
| KR100447600B1 (en) * | 2003-04-10 | 2004-09-07 | 주식회사 포스코 | An apparatus for sealing drop sleeve of charging car |
| CN2752264Y (en) * | 2004-07-06 | 2006-01-18 | 李康杰 | Biabsorption combustion type smokeless coaling apparatus |
| CN2793077Y (en) * | 2005-06-20 | 2006-07-05 | 鞍山红旗城环保设备有限公司 | Smoke guide connector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105647550A (en) * | 2016-02-05 | 2016-06-08 | 山东钢铁股份有限公司 | Protecting device for dust removal system of coal charging car |
| CN105647550B (en) * | 2016-02-05 | 2018-08-14 | 山东钢铁股份有限公司 | A kind of coal charging car-dedusting system protection device |
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| Publication number | Publication date |
|---|---|
| CN103396812B (en) | 2015-06-10 |
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