CN109021992B - Totally-enclosed scattered collecting and centralized processing method for coke oven smoke - Google Patents
Totally-enclosed scattered collecting and centralized processing method for coke oven smoke Download PDFInfo
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- CN109021992B CN109021992B CN201811140872.2A CN201811140872A CN109021992B CN 109021992 B CN109021992 B CN 109021992B CN 201811140872 A CN201811140872 A CN 201811140872A CN 109021992 B CN109021992 B CN 109021992B
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B43/00—Preventing or removing incrustations
- C10B43/02—Removing incrustations
- C10B43/04—Removing incrustations by mechanical means
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Abstract
The invention relates to a totally-enclosed scattered collecting and centralized processing method for coke oven smoke dust, which adopts a totally-enclosed smoke dust collecting cover to completely enclose a coke oven and accessory facilities thereof, and conveys the smoke dust escaped from the coke oven and collected at the top of the smoke dust collecting cover to a dust removal system for centralized processing after being merged with the smoke dust in a coal charging dust collecting dry pipe, a coke pushing dust collecting dry pipe and a coke discharging dust collecting dry pipe. The invention realizes the comprehensive collection of the coke oven dissipated smoke dust and the integration of the coke oven dust collecting system, and is matched with perfect safety facilities; provides a practical and effective solution for the problem of coke oven smoke pollution which troubles enterprises for a long time.
Description
Technical Field
The invention relates to the technical field of coke oven dust removal, in particular to a totally-closed scattered collection and centralized treatment method for coke oven smoke dust.
Background
The coking industry is an important industry related to national economic life, the development is rapid in recent years, but the serious environmental pollution problem caused by coking production is more and more prominent. In the production process of the coke oven, a large amount of paroxysmal smoke dust is discharged into the atmosphere by production links such as coal charging, coke pushing, coke discharging and the like; the furnace door, the coal charging hole on the furnace top, the fire observation hole and other parts can also dissipate the unorganized smoke dust. The smoke dust contains coal gas and a large amount of dust of tar-like substances, which cause great harm to the surrounding environment.
In the coking production at present, the smoke dust discharged during the operations of coal charging, coke pushing and coke discharging can be collected by matching the coke oven machinery, the furnace end smoke collecting device and the like with the corresponding dust collecting main pipe and then sent to the corresponding dust removing ground station for processing, but no good control means is provided for the loss of the smoke dust. With the continuous improvement of the national requirements for environmental protection, the existing dust removal technology of the coke oven is difficult to meet the requirements, and the continuous and stable healthy development of the coking industry can be actively promoted only by continuously developing an advanced, energy-saving and efficient novel environment-friendly process.
Disclosure of Invention
The invention provides a totally-enclosed scattered collection and centralized treatment method for coke oven smoke dust, which realizes the comprehensive collection of coke oven scattered smoke dust and the integration of a coke oven dust collection system and is matched with perfect safety facilities; provides a practical and effective solution for the problem of coke oven smoke pollution which troubles enterprises for a long time.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fully-closed method for collecting and centralizing the smoke dust of coke oven features that a fully-closed smoke dust collecting hood is used to enclose the coke oven and its accessories, and the smoke dust generated by coke oven and collected by the top of said hood is merged with the smoke dust in the trunk of coal-charging dust collector, coke-pushing dust collector and coke-discharging dust collector and then conveyed to dusting system for centralized treatment.
The top of the smoke dust collecting cover is provided with a plurality of scattered smoke dust collecting ports along the length direction of the coke oven, and each scattered smoke dust collecting port is connected with a smoke dust conveying pipeline through a scattered smoke dust collecting pipe.
The middle part of the smoke dust collecting cover is provided with a groove-shaped structure which protrudes upwards and is folded, the groove-shaped structure is arranged along the length direction of the coke oven, and the scattered smoke dust collecting port is arranged at the top of the groove-shaped structure.
The coal charging dust collecting dry pipe, the coke pushing dust collecting dry pipe and the coke discharging dust collecting dry pipe are respectively connected with a smoke dust conveying pipeline through corresponding connecting pipes.
A plurality of back-blowing air ports are formed in the periphery of the smoke dust collecting cover and are respectively connected with corresponding back-blowing fans, and fresh air is blown into the smoke dust collecting cover periodically.
The top of the smoke dust collecting cover is provided with a plurality of top air outlets along the length direction and the width direction of the coke oven, and the top air outlets are respectively provided with a self-operated blast cap; when the coke oven is in an accident state, the air is forcibly exhausted through a plurality of self-operated air caps arranged on the smoke dust collecting cover, and meanwhile, fresh air is blown into the smoke dust collecting cover through a plurality of back-blowing air ports.
The dust removal system is a dust removal ground station, and the dust removal ground station is provided with a suction fan.
A plurality of fire guiding devices are arranged on the smoke dust collecting cover; the fire guiding device consists of fire guiding pipes and a fire guiding pipe cover/fire guiding pipe valve, the fire guiding pipes are correspondingly arranged above the coke oven ascending pipe one by one, the bottom end openings of the fire guiding pipes are arranged opposite to the top end opening of the coke oven ascending pipe, and the top ends of the fire guiding pipes extend out of the smoke dust collecting cover; a fire-guiding pipe cover is arranged at the opening at the top end of the fire-guiding pipe, or a fire-guiding pipe valve is arranged in the fire-guiding pipe, and the fire-guiding pipe cover/the fire-guiding pipe valve is linked with a water sealing cover of a coke oven ascending pipe to realize synchronous opening and closing; in the coke oven accident state, flame and high-temperature flue gas generated by raw coke oven gas in the coke oven ascending pipe directly enter the fire guide pipe and are led out of the coke oven dust hood through the fire guide pipe, so that the dust collecting hood is protected.
The water seal cover, the fire guide pipe cover/the fire guide pipe valve of the coke oven ascending pipe are also provided with a manual opening and closing device; when power failure is caused by an accident state, a water seal cover, a fire guide pipe cover/a fire guide pipe valve of a coke oven ascending pipe are opened and closed through a manual opening and closing device, meanwhile, a back-blowing fan is driven by a standby diesel generator, and fresh air is blown into a smoke dust collecting cover through a back-blowing air port.
The smoke dust collecting cover consists of a steel structure framework and an enclosure system, the steel structure framework is arranged on the periphery of the coke oven, and a self-operated blast cap is arranged at the top of the steel structure framework; the enclosure system comprises a roof panel and a wall panel; a fire-fighting device and a combustible and toxic gas detection alarm device are arranged in the smoke dust collecting cover.
Compared with the prior art, the invention has the beneficial effects that:
1) the totally-enclosed smoke dust collecting cover is arranged in the coke oven area, so that the scattered smoke dust generated in the coke oven production is comprehensively collected, organized emission of the scattered smoke dust of the coke oven is realized, and the integral dust removing effect of the coke oven is greatly improved;
2) the collected escaped smoke dust and the smoke dust in each part of dust collecting main pipe in the original dust collecting system of the coke oven are uniformly sent into a dust removing system for processing, thereby being beneficial to saving energy and reducing consumption, and reducing equipment investment and equipment floor area;
3) after the coke oven is totally closed, the most important thing is to control the concentration of combustible and toxic gas in the smoke dust collecting cover, so as to prevent the damage to the operators and the production facilities and eliminate the potential safety hazard; according to the invention, the anti-blowing port is arranged, fresh air is blown into the smoke dust collecting cover periodically, and the safe operation of the fully-closed coke oven system is ensured;
4) after the coke oven is completely closed, the coke oven ascension pipe is also positioned in the smoke dust collecting cover, and in the coke oven production, when the water seal cover of the ascension pipe is opened, the flame and high-temperature smoke dust generated by the raw coke oven gas combustion have the characteristics of high temperature and long flame, and each coking period can occur; the water seal cover of the ascending pipe has the possibility of being forcedly opened in an accident state, and a great amount of high-temperature smoke dust and raw gas are escaped from the ascending pipe of the coke oven to directly roast the inner side of the smoke dust collecting cover, so that the smoke dust collecting cover is heated and deformed or even burnt; the invention solves the problems by arranging the fire guide pipe above the ascending pipe of the coke oven, and effectively protects the smoke dust collecting cover;
5) in an accident state, particularly in a power failure state, not only the dust removal system cannot normally operate, but also all electric equipment is in a shutdown state; the coke oven does not stop diffusing smoke dust; according to the invention, the water seal cover, the fire guide pipe cover/the fire guide pipe valve of the coke oven ascending pipe are all provided with the manual start-stop device at the same time, the back-blowing fan is provided with the diesel generator at the same time, the self-operated blast cap does not need extra driving force, and the safe operation of the coke oven and the environment in the smoke dust collecting cover in an accident state can be effectively ensured;
6) still be equipped with fire control unit, combustible and toxic gas detection alarm device in the cover is collected to the smoke and dust, and the safety facility is complete, can further improve the security.
Drawings
FIG. 1 is a schematic diagram of a totally-enclosed scattered collection and centralized treatment method for coke oven smoke according to the present invention.
In the figure: 1. smoke dust collecting cover 2, coke oven 3, machine side coke pusher 4, coke side coke guide 5, furnace top coal charging car 6, smoke dust escaping collecting port 7, smoke dust escaping collecting pipe 8, connecting pipe 9, smoke dust conveying pipeline 10, dust removing ground station 11, suction fan 12, self-operated air cap 13, coke oven ascending pipe 14, fire guiding device 15, back blowing port 16, back blowing fan 17, coal charging dust collecting main pipe 18, coke pushing dust collecting main pipe 19, coke discharging dust collecting main pipe
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in figure 1, the coke oven smoke totally-enclosed dispersed collection and centralized treatment method adopts a totally-enclosed smoke collection cover 1 to totally enclose a coke oven 2 and accessory facilities thereof, and the coke oven scattered smoke collected at the top of the smoke collection cover 1 is merged with the smoke in a coal charging dust collection dry pipe 17, a coke pushing dust collection dry pipe 18 and a coke discharging dust collection dry pipe 19 and then is conveyed to a dust removal system through a smoke conveying pipeline 9 for centralized treatment.
The top of the smoke dust collecting cover 1 is provided with a plurality of scattered smoke dust collecting ports 6 along the length direction of the coke oven 2, and each scattered smoke dust collecting port 6 is respectively connected with a smoke dust conveying pipeline 9 through a scattered smoke dust collecting pipe 7.
The middle part of the smoke dust collecting cover 1 is provided with a groove-shaped structure which protrudes upwards and is folded, the groove-shaped structure is arranged along the length direction of the coke oven 2, and the scattered smoke dust collecting port 6 is arranged at the top of the groove-shaped structure.
The coal charging dust collecting dry pipe 17, the coke pushing dust collecting dry pipe 18 and the coke discharging dust collecting dry pipe 19 are respectively connected with the smoke conveying pipeline 9 through corresponding connecting pipes 8.
The periphery of the smoke dust collecting cover 1 is provided with a plurality of back blowing openings 15 which are respectively connected with corresponding back blowing fans 16, and fresh air is blown into the smoke dust collecting cover 1 periodically.
The top of the smoke dust collecting cover 1 is provided with a plurality of top air outlets along the length direction and the width direction of the coke oven 2, and the top air outlets are respectively provided with a self-operated blast cap 12; when the coke oven is in an accident state, the air is forcibly exhausted through a plurality of self-operated blast caps 12 arranged on the smoke dust collecting cover 1, and simultaneously, fresh air is blown into the smoke dust collecting cover 1 through a plurality of back-blowing air ports 15.
The dust removal system is a dust removal ground station 10, and the dust removal ground station 10 is provided with a suction fan 11.
A plurality of fire guiding devices 14 are arranged on the smoke dust collecting cover 1; the fire guiding device 14 consists of fire guiding pipes and fire guiding pipe covers/fire guiding pipe valves, the fire guiding pipes are correspondingly arranged above the coke oven ascending pipe 13 one by one, the bottom end openings of the fire guiding pipes are arranged opposite to the top end opening of the coke oven ascending pipe 13, and the top ends of the fire guiding pipes extend out of the smoke dust collecting cover 1; a fire-guiding pipe cover is arranged at the opening at the top end of the fire-guiding pipe, or a fire-guiding pipe valve is arranged in the fire-guiding pipe, and the fire-guiding pipe cover/the fire-guiding pipe valve is linked with a water sealing cover of the coke oven ascending pipe 13 to realize synchronous opening and closing; in the coke oven accident state, flame and high-temperature flue gas generated by raw coke oven gas combustion in the coke oven ascending pipe 13 directly enter the fire guide pipe and are led out of the coke oven dust hood 1 through the fire guide pipe, so that the smoke dust collecting hood 1 is protected.
The water seal cover, the fire guide pipe cover/the fire guide pipe valve of the coke oven ascending pipe 13 are also provided with a manual opening and closing device; when power failure is caused by an accident state, a water seal cover, a fire guide pipe cover/a fire guide pipe valve of a coke oven ascending pipe 13 are opened and closed through a manual opening and closing device, meanwhile, a back-blowing fan 16 is driven by a standby diesel generator, and fresh air is blown into the smoke dust collecting cover 1 through a back-blowing port 15.
The smoke dust collecting cover 1 consists of a steel structure framework and an enclosure system, the steel structure framework is arranged on the periphery of the coke oven 2, and a self-operated blast cap 12 is arranged at the top of the steel structure framework; the enclosure system comprises a roof panel and a wall panel; a fire-fighting device and a combustible and toxic gas detection alarm device are arranged in the smoke dust collecting cover 1.
The general concept of the invention is (taking a top-loading coke oven as an example for explanation): a totally-enclosed smoke dust collecting cover 1 is arranged, a coke oven 2 and accessory facilities such as coke oven machinery (comprising a top coal charging car 5, a machine side coke pusher 3 and a coke side coke guide 4) and a plurality of dust collecting main pipes 17, 18 and 19 are arranged in the smoke dust collecting cover 1, so that smoke dust generated in the production process of the coke oven 2 can be comprehensively collected. A scattered smoke dust collecting port 6 is arranged at a high position at the top of the smoke dust collecting cover 1, is connected with a dust removing system (a dust removing ground station 10) through a smoke dust conveying pipeline 9, and sends the collected coke oven scattered smoke dust to the dust removing ground station 10 by means of the suction force of a suction fan 11; meanwhile, a coal charging dust collecting dry pipe 17, a coke pushing dust collecting dry pipe 18 and a coke discharging dust collecting dry pipe 19 arranged in the original coke oven system are also connected with a smoke conveying pipeline 9, namely all smoke generated by the coke oven is finally conveyed into a dust removal system through the smoke conveying pipeline 9, and the clean smoke after centralized purification treatment reaches the standard and is discharged.
The smoke dust collecting cover 1 is a totally enclosed structure, adopts a steel structure framework, and is externally provided with an enclosure system, wherein the roof panel and the wall panel can adopt color steel plates or daylighting plates, and at the part with higher local temperature, the steel structure framework needs to be coated with high-temperature resistant paint and is externally coated with refractory ceramic fibers or other high-temperature resistant heat insulation materials.
When the coke oven 2 is normally produced, smoke and dust dissipated from positions such as an oven door, a coal charging hole at the top of the oven, a fire observation hole and the like are collected by a dissipated smoke and dust collecting port 6, smoke and dust generated in coal charging operation is collected into a coal charging dust collecting dry pipe 17 by a coal charging dust collecting system, smoke and dust generated in coke pushing operation is collected into a coke pushing dust collecting dry pipe 18 by a coke pushing dust collecting system, smoke and dust generated in coke discharging operation is collected into a coke discharging dust collecting dry pipe 19 by a coke discharging dust collecting system, smoke and dust in the 3 dust collecting dry pipes 17, 18 and 19 respectively enter a smoke and dust conveying pipeline 9 through corresponding connecting pipes 8, then all the collected smoke and dust uniformly enter a dust removing ground station 10, and are discharged into the atmosphere from a chimney after purification. The suction fan 11 adopts a frequency conversion control mode, and the rotating speed of the suction fan can be adjusted in real time according to the smoke generation amount so as to achieve the purposes of energy conservation and consumption reduction.
A plurality of back blowing openings 15 are arranged around the smoke dust collecting cover 1, and a back blowing fan 16 is started periodically to blow fresh air into the smoke dust collecting cover 1 from the back blowing openings 15, so that the coke oven area keeps good ventilation condition, and the operating environment of the coke oven area is improved. Under the accident condition, the raw gas diffused by the coke oven area can be gathered in the coke oven area and cannot be discharged outside, so that major potential safety hazards are caused, at the moment, if the power supply is normal, the back-blowing fan 15 can be started immediately, and the concentration of combustible components is reduced to be below the explosion limit by blowing a large amount of air into the smoke dust collecting cover 1; if the power is cut off, the blowback fan 16 can continue to work under the driving of the diesel generator. In addition, a plurality of self-operated hoods 12 are arranged at the top of the smoke dust collecting cover 1, and can be synchronously opened with the back-blowing fan 16 in an accident state, and the auxiliary back-blowing fan 16 diffuses the raw gas in the smoke dust collecting cover 1 to the outside of the smoke dust collecting cover.
In an accident state, the original automatic crude gas emission ignition device of the coke oven 2 is automatically started to emit crude gas, but the ignition device cannot timely respond in actual production, a water sealing cover of an ascending pipe 13 of the coke oven is pushed open when the pressure of the crude gas is too high, and flame and high temperature generated by combustion of the crude gas can directly burn the smoke dust collecting cover 1 to cause destructive damage to the smoke dust collecting cover; therefore, the fire guiding device 14 is additionally arranged above the coke oven ascending pipe 13, the fire guiding devices 14 are arranged corresponding to the coke oven ascending pipe 13 one by one, the inlet of the fire guiding device 14 is positioned right above the coke oven ascending pipe 13, and the outlet is higher than the top surface of the smoke collecting cover 1; when the ignition device fails due to the automatic release of the crude gas, the fire guiding device 14 can be synchronously opened with the water sealing cover of the coke oven ascending pipe 13 to guide and discharge the crude gas to the atmosphere, so as to achieve the purpose of protecting the smoke dust collecting cover 1.
A fire-fighting device is arranged in the smoke dust collecting cover 1 and is used for rapidly extinguishing open fire in a coke oven area in an accident state; in addition, still be equipped with in the cover 1 is collected to the smoke and dust and combustible and toxic gas detection alarm device, when the cover 1 is collected to the smoke and dust combustible and toxic gas reaches the concentration upper limit, send out the warning through the alarm and remind relevant operation personnel to handle or withdraw in time to ensure operation personnel's personal safety.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A coke oven smoke dust totally-enclosed disperse collection and centralized processing method is characterized in that a totally-enclosed smoke dust collection cover is adopted to completely enclose a coke oven and accessory facilities thereof, and coke oven smoke dust dissipated from the coke oven collected at the top of the smoke dust collection cover is merged with smoke dust in a coal charging dust collection dry pipe, a coke pushing dust collection dry pipe and a coke discharging dust collection dry pipe and then is conveyed to a dust removal system through a smoke dust conveying pipeline for centralized processing; a plurality of back blowing openings are formed in the periphery of the smoke dust collecting cover and are respectively connected with corresponding back blowing fans, and fresh air is blown into the smoke dust collecting cover periodically; a plurality of fire guiding devices are arranged on the smoke dust collecting cover; the fire guiding device consists of fire guiding pipes and a fire guiding pipe cover/fire guiding pipe valve, the fire guiding pipes are correspondingly arranged above the coke oven ascending pipe one by one, the bottom end openings of the fire guiding pipes are arranged opposite to the top end opening of the coke oven ascending pipe, and the top ends of the fire guiding pipes extend out of the smoke dust collecting cover; a fire-guiding pipe cover is arranged at the opening at the top end of the fire-guiding pipe, or a fire-guiding pipe valve is arranged in the fire-guiding pipe, and the fire-guiding pipe cover/the fire-guiding pipe valve is linked with a water sealing cover of a coke oven ascending pipe to realize synchronous opening and closing; in the coke oven accident state, flame and high-temperature flue gas generated by raw coke oven gas in the coke oven ascending pipe directly enter the fire guide pipe and are led out of the coke oven dust hood through the fire guide pipe, so that the dust collecting hood is protected.
2. The coke oven smoke totally-enclosed scattered collection and centralized treatment method of claim 1, wherein the top of the smoke collection cover is provided with a plurality of scattered smoke collection ports along the length direction of the coke oven, and each scattered smoke collection port is connected with a smoke conveying pipeline through a scattered smoke collection pipe.
3. The coke oven smoke totally-enclosed scattered collection and centralized treatment method of claim 1 or 2, wherein the middle part of the smoke collection cover is provided with a groove-shaped structure which protrudes upwards and is folded, the groove-shaped structure is arranged along the length direction of the coke oven, and the scattered smoke collection port is arranged at the top of the groove-shaped structure.
4. The coke oven smoke totally-enclosed dispersed collection and centralized treatment method of claim 1, wherein the coal-charging dust collection dry pipe, the coke-pushing dust collection dry pipe and the coke-discharging dust collection dry pipe are respectively connected with the smoke conveying pipeline through corresponding connecting pipes.
5. The coke oven smoke totally-enclosed scattered collection and centralized treatment method of claim 1 or 2, wherein the top of the smoke collection cover is provided with a plurality of top air outlets along the length direction and the width direction of the coke oven, and the top air outlets are respectively provided with a self-operated blast cap; when the coke oven is in an accident state, the air is forcibly exhausted through a plurality of self-operated air caps arranged on the smoke dust collecting cover, and meanwhile, fresh air is blown into the smoke dust collecting cover through a plurality of back-blowing air ports.
6. The coke oven smoke totally-enclosed scattered collection and centralized treatment method of claim 1, wherein the dust removal system is a dust removal ground station, and the dust removal ground station is provided with a suction fan.
7. The coke oven smoke totally-enclosed scattered collection and centralized treatment method according to claim 1, wherein a water seal cover, a fire guiding pipe cover/fire guiding pipe valve of the coke oven ascension pipe are further provided with a manual opening and closing device; when power failure is caused by an accident state, a water seal cover, a fire guide pipe cover/a fire guide pipe valve of a coke oven ascending pipe are opened and closed through a manual opening and closing device, meanwhile, a back-blowing fan is driven by a standby diesel generator, and fresh air is blown into a smoke dust collecting cover through a back-blowing air port.
8. The coke oven smoke totally-enclosed scattered collection and centralized treatment method of claim 1 or 2, wherein the smoke collection cover is composed of a steel structure framework and a containment system, the steel structure framework is arranged at the periphery of the coke oven, and a self-operated blast cap is arranged at the top of the steel structure framework; the enclosure system comprises a roof panel and a wall panel; a fire-fighting device and a combustible and toxic gas detection alarm device are arranged in the smoke dust collecting cover.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811140872.2A CN109021992B (en) | 2018-09-28 | 2018-09-28 | Totally-enclosed scattered collecting and centralized processing method for coke oven smoke |
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| CN201811140872.2A CN109021992B (en) | 2018-09-28 | 2018-09-28 | Totally-enclosed scattered collecting and centralized processing method for coke oven smoke |
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| CN109021992A CN109021992A (en) | 2018-12-18 |
| CN109021992B true CN109021992B (en) | 2021-07-27 |
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| JPS6020994A (en) * | 1983-07-16 | 1985-02-02 | Ishikawajima Harima Heavy Ind Co Ltd | Drying and temperature rise in start of operation of dry coke quencher |
| DE3429292A1 (en) * | 1984-08-09 | 1986-02-20 | Carl Still Gmbh & Co Kg, 4350 Recklinghausen | Process for dedusting dry-cooled coke |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101085922A (en) * | 2006-06-08 | 2007-12-12 | 北京首钢中冶机电设备有限公司 | Tamping coke oven smoke treatment system and smoke treatment method thereof |
| CN104059679B (en) * | 2014-07-10 | 2016-03-02 | 攀钢集团西昌钢钒有限公司 | Tamping coke oven coal-charging dust-removal system |
| CN106433702B (en) * | 2016-11-11 | 2022-06-10 | 中冶焦耐(大连)工程技术有限公司 | Coke oven dissipated smoke dust collecting device and collecting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2416558A1 (en) * | 1973-04-05 | 1974-10-24 | Carves Simon Ltd | METHOD AND DEVICE FOR COALING COAL |
| JPS6020994A (en) * | 1983-07-16 | 1985-02-02 | Ishikawajima Harima Heavy Ind Co Ltd | Drying and temperature rise in start of operation of dry coke quencher |
| DE3429292A1 (en) * | 1984-08-09 | 1986-02-20 | Carl Still Gmbh & Co Kg, 4350 Recklinghausen | Process for dedusting dry-cooled coke |
| CN201141013Y (en) * | 2007-11-28 | 2008-10-29 | 李九林 | Coal-charging and coke-blocking two-in-one double-purification device of coke furnace |
| CN102029092A (en) * | 2009-09-28 | 2011-04-27 | 北京中海昊华环境工程有限公司 | Dust removal control system |
| CN107267169A (en) * | 2017-07-21 | 2017-10-20 | 中冶焦耐(大连)工程技术有限公司 | A kind of tamping coke oven machine side-installed coal flue dust oriented control system and method |
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|---|---|
| CN109021992A (en) | 2018-12-18 |
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